WO2021098870A1 - Household appliance - Google Patents

Household appliance Download PDF

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Publication number
WO2021098870A1
WO2021098870A1 PCT/CN2020/130713 CN2020130713W WO2021098870A1 WO 2021098870 A1 WO2021098870 A1 WO 2021098870A1 CN 2020130713 W CN2020130713 W CN 2020130713W WO 2021098870 A1 WO2021098870 A1 WO 2021098870A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
control circuit
electrically connected
test
live
Prior art date
Application number
PCT/CN2020/130713
Other languages
French (fr)
Chinese (zh)
Inventor
邝继伍
Original Assignee
邝继伍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201911161350.5A external-priority patent/CN110783887A/en
Priority claimed from CN201911161358.1A external-priority patent/CN110827510A/en
Application filed by 邝继伍 filed Critical 邝继伍
Publication of WO2021098870A1 publication Critical patent/WO2021098870A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/006—Safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors

Definitions

  • the invention relates to the technical field of household appliances, in particular to a household appliance with warning and protection functions and a control method thereof.
  • some household appliances do not have a grounding wire, and their shells are made of metal materials.
  • the live wire or neutral wire touches the metal shell, the shell is charged, which may cause safety hazards to users.
  • the home power grid is not equipped with a ground wire, and the ground wire of the building is installed due to the aging of the ground wire, causing the home power grid grounding bus to be disconnected.
  • the live wire or neutral wire of the household appliance touches it Connect the metal shell of the ground wire port, the household appliance will not disconnect the input power at this time, which may cause safety hazards during the use of the household appliance.
  • its leakage will also be connected to the ground wire of the home power grid, causing safety hazards in other home appliances that have ground wires in the home power grid.
  • the first technical problem to be solved by the present invention is: how to make household appliances without ground wire, when the live wire or neutral wire touches its metal shell, the input power can be disconnected to ensure the safe use of household appliances .
  • the test terminal of the charged control circuit is electrically connected to its metal shell, or a conductive component that can be touched by the human body; the sensing terminal of the charged control circuit is connected to the neutral wire and the live wire through the sensing component Close to the combination and insulated from each other; or the sensing end is electrically connected to the neutral wire and the live wire through the element, and the live control circuit is electrically connected to the main control, and the main control board controls the electric control switch to disconnect the live wire disconnect switch and the neutral wire disconnect switch. Therefore, whether the live wire or the neutral wire touches the metal shell of the household appliance, the household appliance will disconnect its input power.
  • the second technical problem to be solved by the present invention is: how to make the household electrical appliance disconnect when its metal shell touches the live wire or the neutral line of other power ports when the ground wire bus of the home power grid is disconnected Input power to prevent the metal housing of household appliances from being charged, causing the ground wire port to be charged, causing the metal housing of other electrical equipment connected to the home grid to be connected to the ground wire also being charged, which will affect the safety of other electrical equipment.
  • the test terminal of the charged control circuit is electrically connected to the ground terminal; the sensing terminal of the charged control circuit is combined with the neutral wire and the live wire through the sensing component, or the sensing terminal The components are electrically connected with the neutral wire and the live wire.
  • the electric control switch of the household appliance is provided with a ground disconnect switch, so that when the metal shell of the household appliance of the present invention touches the live wire or the neutral line, the ground disconnect switch can be disconnected, thereby avoiding the metal shell of the household appliance.
  • the body is electrified, causing the ground wire port of other power ports in the home power grid to become electrified, thereby reducing the potential safety hazards of personnel using electrical equipment.
  • the third technical problem to be solved by the present invention is how to make the household appliance detect whether the warning function of the household appliance is normal when the metal shell of the household appliance is energized under normal working conditions without affecting the use and safety of the household appliance.
  • Refrigerators usually use compressors for refrigeration, and their metal shell is connected to the ground port. Since the compressor cannot be turned on and off frequently, it will be easily damaged. Without disconnecting the input power of the refrigerator, when testing that the refrigerator shell is live, check whether the warning effect of the leakage protection switch is normal, and at the same time, the user cannot be injured by the leakage.
  • the test terminal of the charged control circuit of the household appliance of the present invention is electrically connected to the ground terminal via the component, and the sensing terminal of the charged control circuit is combined with the neutral wire and the live wire through the sensing component, or the sensing terminal is close to the neutral wire and the live wire.
  • the measuring terminal is electrically connected with the neutral wire and the live wire through the component.
  • the test end of the live control circuit is equipped with test switch A, resistance A, and resistance D
  • the sensing end is equipped with resistance D and resistance E; connect to the test switch A, at this time, the neutral port and the live wire port pass through the resistance D and the resistance respectively. E.
  • test switch A connects the test switch A to the test terminal, isolate the live wire port and the neutral wire port to the metal shell of the household appliance through high impedance resistance.
  • the leakage current is very small, and it can be used in 220V city power. Set at 0.01mA and below, it reminds the user that the housing of the household appliance is live, and its warning function is normal; it will neither cause harm to the user, nor cause the operation of the external leakage protection switch connected in series, disconnect the power supply, and affect the home appliance. Normal use.
  • the fourth technical problem to be solved by the present invention is: how to make the household electrical appliance have a ground wire in the home power grid, or there is no ground wire, when the live wire or the neutral wire touches the metal shell of the household electrical appliance, they must be disconnected. Open its circuit breaker parts to better ensure the safety of household appliances.
  • the household appliance of the present invention is equipped with a ground wire detection circuit and a control switch. When it is detected that the ground wire is connected normally, the neutral wire and the live wire can be applied when the current is unbalanced. Circuit breaker component; when the ground wire is disconnected, the charged control circuit of the present invention can be used to realize that when the metal shell of the household appliance touches the neutral wire or the live wire, the input power of the household appliance is disconnected to better ensure the household The safety of electrical appliances.
  • the fifth technical problem to be solved by the present invention is: how to disconnect the input power when the metal shell of the household appliance touches the live line or the neutral line, so as to ensure the safety of the household appliance and at the same time ensure that the household appliance is in use In the safety regulation test, its high voltage will not cause adverse effects on the live control device and cause damage to the household appliances. For example: some household appliances have to withstand the test of withstand voltage above 1000V between the shell and the live wire and the neutral wire.
  • the test terminal of the charging control circuit of the household appliance of the present invention is electrically connected to the ground terminal via a high-impedance resistor or a capacitor, which not only fulfills the requirements of safety regulation test, but also realizes that the housing of the household appliance is charged. The technical effect of power-off control.
  • the household appliance provided by the present invention can prompt the user in time when the housing or the ground wire of the household appliance is electrified, or disconnect the input power source, thereby achieving the effect of safety protection.
  • the household appliance provided by the present invention includes a housing, a main control board, and a charging control circuit.
  • the shell is provided with a live wire port, a neutral port, a main control board, and a live control circuit; the live control circuit is provided with a test terminal and a sensing terminal; the test terminal of the live control circuit and the metal parts of the shell or The conductive parts that can be touched by the human body are electrically connected; the main control board is electrically connected to the power port, and the main control board is provided with a circuit breaker control circuit; the power off control circuit controls the on and off of the electric control switch; the electrification control circuit is connected with The main control board is electrically connected.
  • the main control board and the charging control circuit can be integrated together, or can be set separately.
  • a ground wire port is provided on the power port, and the ground wire port is electrically connected with the metal part of the casing, or the ground wire port is electrically connected with a conductive part that can be touched by the human body.
  • An electric control switch is provided, one end of the electric control switch is electrically connected with the power port, and the other end of the electric control switch is electrically connected with the electrical component.
  • the electric control switch is provided with a live wire disconnect switch and a neutral wire disconnect switch; or the electric control switch is provided with a live wire disconnect switch, a neutral wire disconnect switch, and a ground wire disconnect switch.
  • the neutral wire and the sensing component are provided close to the combination and insulated from each other; or the neutral wire, the live wire and the sensing component are provided close to the combination and are insulated from each other.
  • warning component There is a warning component, and the warning component is set as a light warning; or set as an audio warning; or set as a combination of light and audio warning.
  • the sensing end of the live control circuit is electrically connected with the live wire port and the neutral port through the component; the test end of the live control circuit is electrically connected with the ground wire port through the component.
  • the sensing end of the live control circuit is electrically connected to the live wire port via a resistor D, or the sensing end of the live control circuit is electrically connected to the live wire port via a capacitor A; the sensing end of the live control circuit is electrically connected to the neutral port via a resistor E, Or the sensing end of the charged control circuit is electrically connected to the neutral port via the capacitor B.
  • test end of the live control circuit is provided with a resistor F to be electrically connected to the ground wire port, or the test end of the live control circuit is provided with a capacitor D to be electrically connected to the ground wire port.
  • a capacitor C is provided and connected to the sensing end and the test end of the live control circuit; the open circuit control circuit is provided with a current transformer.
  • a control switch is provided, which is connected in series between the test terminal and the ground wire port; a ground wire detection circuit is provided, and the ground wire detection circuit detects the connection and disconnection of the ground wire; and a switch control circuit is provided.
  • the switch control circuit is electrically connected to the ground detection circuit.
  • the switch control circuit controls the control switch to be connected; when the ground wire detection circuit does not output a control signal, the switch control circuit controls the control switch to turn off; or when the ground wire detection circuit outputs a control signal, The switch control circuit controls the control switch to turn off; when the ground wire detection circuit does not output a control signal, the switch control circuit controls the control switch to connect.
  • test switch A is provided, one end of the test switch A is electrically connected to the test end of the charged control circuit, and the other end of the test switch A is electrically connected to the live wire disconnect switch.
  • test switch A is provided, one end of the test switch A is electrically connected to the test terminal of the charged control circuit, and the other end of the test switch A is electrically connected to the input terminal of the live wire disconnect switch.
  • test switch B is provided, one end of the test switch B is electrically connected to the test end of the live control circuit, and the other end of the test switch B is electrically connected to the output end of the live wire disconnect switch.
  • test switch C is provided, one end of the test switch C is electrically connected to the test end of the charged control circuit, and the other end of the test switch C is electrically connected to the neutral port.
  • a resistor A is provided, one end of the resistor A is electrically connected to the live wire port, the other end of the resistor A is electrically connected to the test terminal of the charged control circuit, or the other end of the resistor A is electrically connected to the test terminal of the charged control circuit through the test switch A Connection; provided with a resistor B, one end of the resistor B is electrically connected to the neutral port, the other end of the resistor B is electrically connected to the test end of the live control circuit, or the other end of the resistor B is connected to the live control circuit through the test switch C The test terminal is electrically connected; a resistor C is provided, one end of the resistor C is electrically connected to the output terminal of the live wire disconnect switch, the other end of the resistor C is electrically connected to the test terminal of the live control circuit, or the other end of the resistor C is through the test switch B It is electrically connected to the test terminal of the live control circuit.
  • the input power can be cut off, avoiding that when the grounding component of the electrical appliance is charged, when there is no ground wire, the current passes through the human body and other conductors to generate leakage current before it is disconnected. Open the disconnect switch.
  • a household appliance of the present invention includes a housing, a main control board, and a live control circuit; the housing is provided with a live wire port, a neutral port, a main control board, and a live control circuit.
  • the test terminal of the charging control circuit is electrically connected with the metal part of the shell or the conductive part that can be touched by the human body; the charging control circuit is provided with sensing parts and warning parts.
  • the main control board is electrically connected to the power port, the main control board is provided with a circuit breaker control circuit; an electric control switch is provided, one end of the electric control switch is electrically connected to the power port, and the other end of the electric control switch is electrically connected to the electrical component connection.
  • the power-off control circuit controls the on and off of the electric control switch; and the charging control circuit is electrically connected with the main control board. It has realized the technical effect of live warning and automatic power-off of the metal shell of non-grounded household appliances; it has also realized the potential safety hazards caused by the disconnection of the grounding bus of the home power grid for household appliances with grounding, so that users can get better Security guarantee.
  • Fig. 1 is a working principle diagram of embodiment 1 and embodiment 2 of the present invention.
  • Fig. 2 is a working principle diagram of embodiment 3 of the present invention.
  • Fig. 3 is a working principle diagram of embodiment 4 of the present invention.
  • Fig. 4 is a working principle diagram of embodiment 5 of the present invention.
  • Fig. 5 is a working principle diagram of embodiment 6 of the present invention.
  • Fig. 6 is the working principle diagram 1 of the charging control circuit of the present invention.
  • Fig. 7 is the working principle diagram 2 of the charging control circuit of the present invention.
  • Fig. 8 is a working principle diagram 3 of the charging control circuit of the present invention.
  • Fig. 9 is a working principle diagram 4 of the charging control circuit of the present invention.
  • Fig. 10 is the working principle diagram 5 of the charging control circuit of the present invention.
  • Figure 11 is a schematic diagram of the combined structure of the sensing component and the neutral line of the present invention.
  • Embodiment 1 and Embodiment 2 of a household appliance of the present invention include a housing, a main control board 2, and a live control circuit 1; the housing is provided with a live wire Port 31, neutral port 32 main control board 2, charging control circuit 1; the test terminal of the charging control circuit 1 is electrically connected to the shell metal part 5 or a conductive part that can be touched by the human body; the charging control circuit 1 is provided with There are a sensing component 13 and a warning component 12.
  • the main control board 2 is electrically connected to the power port 3.
  • the main control board 2 is provided with a circuit breaker control circuit 21; an electric control switch 22 is provided.
  • One end of the electric control switch 22 is electrically connected to the power port 3, and the other of the electric control switch 22 One end is electrically connected to the electrical component 4;
  • the circuit control circuit 21 controls the on and off of the electric control switch 22;
  • the electrification control circuit 1 is electrically connected to the main control board 2.
  • the electronically controlled switch 22 may be set as an electronic switch, or may be set as a mechanical switch.
  • the embodiment of the present invention is set as an electronic switch, which is controlled by a thyristor.
  • a ground wire port 33 is provided on the power port 3, and the ground wire port 33 is electrically connected to the metal part 5 of the housing, or the ground wire port 33 is electrically connected to a conductive part that is accessible to the human body.
  • the electric control switch 22 is provided with a live wire disconnect switch 312 and a neutral disconnect switch 322; or the electric control switch 22 is provided with a live disconnect switch 312, a neutral disconnect switch 322, and a ground disconnect switch 332.
  • the electric control switch 22 is provided with a ground wire disconnect switch 332, which can prevent the household power grid from being connected to the household appliances due to the ground wire being charged, which may cause safety hazards to users.
  • the warning component 12 is set as a light warning; or as an audio warning; or as a combination of light and audio warning.
  • a neutral line 321 and the sensing component 13 are arranged close to the combination and insulated from each other.
  • the sensing component 13 uses a metal iron pipe with a length of 50-60 mm and a diameter of 8-10 mm; the neutral line 321 uses a length of 1-1.2 meters and a wire diameter of 0.25 -0.5 square millimeters of surface-insulated wire.
  • the sensing component 13 is configured as a conductive body, which can be configured in different shapes and sizes according to actual applications; the neutral line 321 and the sensing component 13 form a circuit loop through the test terminal of the charged control circuit 1 and the ground line.
  • the warning component 12 on the charging control circuit 1 issues a warning.
  • the charging control component 1 can also provide a control voltage or signal to the main control board 2 to make the circuit breaker control circuit 21 work and turn off the electric control switch twenty two.
  • the main control board 2 circuit is powered by the live wire 311 and the neutral wire 321, and the charged control circuit 1 is powered by the ground wire or the induced live wire 311 voltage.
  • the circuit of the present invention is simple and practical, and its safety prompt and stability are better.
  • a neutral wire 321, a live wire 311, and the sensing component 13 are arranged close to each other and insulated from each other.
  • the voltage detected by the test terminal on the charging control circuit 1 forms a loop with the neutral wire 321 and the live wire 311 through the sensing component 13 on the charging control circuit 1.
  • the home appliance is provided with a neutral wire 321, a live wire 311, and a sensing component 13 that are closely combined and insulated from each other, which can make the present invention work more stably in the home power grid line without a ground wire, and the live wire 311 and the neutral wire 321 of the power port 3 are connected in phase. On the contrary, or use an isolation transformer for power supply, which is less affected by the environment.
  • the phase of the live wire 311 and the neutral wire 321 are reversed, the induced voltage on the live wire 311 passes through the sensing component 13 to the test terminal on the charged control circuit 1 to form a loop with the ground wire port 33.
  • a test switch A112 and a resistance A111 are provided; one end of the test switch A112 and the resistance A111 is electrically connected to the test terminal of the charging control circuit 1, and the other end of the test switch A112 is connected to the electric control
  • the live wire input end of the switch 22 is electrically connected, and the other end of the resistor A111 is electrically connected to the ground wire port 33.
  • the resistor A111 can block the short circuit between the test terminal of the charged control circuit 1 and the live wire 311, so that when the test switch A112 is connected, it can detect whether the charged control circuit 1 is working normally, and will not affect or harm the power grid.
  • the resistance value of the resistor A111 is set according to actual applications. In the embodiment of the present invention, the resistance value of the resistor A111 is 1-1.5 M ⁇ .
  • the sensing component 13 is wound on the neutral wire 321, or the neutral wire 321 is wound on the sensing component 13, or the sensing components 13 are arranged side by side close to the neutral wire 321; the sensing component 13 is wound on the neutral wire 321, the live wire On 311, either the neutral wire 321 and the live wire 311 are wound on the sensing component 13; or the sensing component 13 is arranged close to the neutral wire 321 and the live wire 311 side by side; or other combinations are adopted.
  • the size and shape of the neutral wire 321 and the live wire 311 used in combination with the sensing component 13 are set according to actual applications.
  • the present invention can also realize the improvement of the warning effect of the ground wire charging control device 1 when the isolation transformer is used for power supply and the working power grid is not installed with a ground wire.
  • test switch B113 is provided, one end of the test switch B113 is electrically connected to the test end of the charged control circuit 1, and the other end of the test switch B113 is electrically connected to the live wire output end of the electric control switch 22.
  • the test switch B113 is connected to detect whether the main control board 2 and the charged control circuit 1 work normally.
  • the ground port 33 of the household appliance is electrically connected to the point C of the rectifying component 101, the point D of the rectifying component 101 is electrically connected to the sensing component 13; the point A of the rectifying component 101 is electrically connected to One end of the thyristor 104 is electrically connected, the other end of the thyristor 104 is electrically connected to the positive electrode of the LED lamp 105, and the negative electrode of the LED lamp 105 is electrically connected to the B end of the rectifying component 101; A capacitor 102 is provided at the end; the A end of the rectifying component 101 is also provided with a bidirectional diode 103 that is electrically connected to the control electrode of the thyristor 104; the point C is the test end, and the point D is the sensing end 133.
  • the bidirectional diode 103 can be set to one or more than one in series, and the present invention is set to three in series.
  • the capacitor 102 can also be set as a ceramic piezoelectric sheet, in which case the ceramic piezoelectric sheet can be used as a charging component or a sounding component.
  • the capacity of the capacitor can be set according to actual applications.
  • the charging component in the embodiment of the present invention is set as the capacitor 102, and the capacity is set to 2-10 nF.
  • the charging control circuit 1 is identified as the charging control device 1
  • the main control board 2 is identified as the power-off control circuit 2
  • the power-off control circuit 21 is identified as the disconnection control component 21.
  • the household appliance is provided with a live wire port 31, a neutral wire port 32, a ground wire port 33, a circuit breaker control circuit 2, and a live control device 1
  • the disconnection control circuit 2 is provided with a disconnection control component 21, a live disconnection switch 312, and a neutral disconnection switch 322
  • the ground port 33 is electrically connected to the test terminal of the charging control device 1
  • the charging control device 1 is connected to the disconnection control
  • the circuit 2 is electrically connected or connected with an electrical signal
  • the D terminal of the charging control device 1 is connected to the live wire port 31 and the neutral wire port 32 through components, respectively
  • the C terminal of the charging control device 1 is provided with an electric component and a ground wire port 33 phase connection.
  • the ground port 33 is represented as a conductive part that is accessible to the human body in the electrical equipment, for example, the metal shell of household appliances and electrical equipment.
  • the disconnect switch can be set as a mechanical switch or an electronic switch according to actual applications.
  • the D end of the charged control device 1 is electrically connected to the live wire port 31 via a resistor D314, or the D end of the charged control device 1 is electrically connected to the live wire port 31 via a capacitor A313; the D end of the charged control device 1 is electrically connected to the neutral port 32 via a resistor E324 It is electrically connected, or the D terminal of the charging control device 1 is electrically connected to the neutral port 32 via the capacitor B323.
  • a resistor F334 is provided at the end C of the charging control device 1 to be electrically connected to the ground port 33, or a capacitor D333 is provided at the end C of the charging control device 1 to be electrically connected to the ground port 33.
  • a capacitor C115 is provided and connected to the D and C terminals of the charging control device 1.
  • the capacitor C can reduce the intrusion of external interference signals into the circuit of the charging control device, and can avoid or reduce the malfunction of the charging control device due to external interference signals. .
  • the charging control device 1 is provided with a warning component 12; the disconnection control circuit 2 is provided with a current transformer 23.
  • the charged control device 1 is set as a micro current control, and its micro current is set as a safe current, which will not cause harm to the human body, and can be set according to actual application requirements and safety regulations.
  • a ground wire when using household appliances, you can conduct safety tests on the conductive parts of the housing of the household appliances or electrical equipment, and test whether the conductive parts of the housing are in contact with the live wire 311 and the neutral wire 321. It will not cause a disconnect switch. Disconnect, it will not affect the normal use of household appliances, making the use of household appliances safer and more convenient.
  • it also realizes the micro-current leakage warning effect of the household appliance of the present invention when there is a ground wire, and avoids the potential safety hazard of the electric appliance's micro-current leakage.
  • a ground wire disconnect switch 332 is provided.
  • the ground wire disconnect switch 332 is set in linkage with the live wire disconnect switch 312 and the neutral wire disconnect switch 322, or the ground wire disconnect switch 332 and the live wire disconnect switch 312 , The neutral line disconnect switch 322 is controlled separately.
  • a test switch A112 and a resistance F334 are provided; one end of the test switch A112 and the resistance F334 is electrically connected to the test terminal of the charging control device 1, and the other end of the test switch A112 is connected to the live port 31 is electrically connected, or the other end of the test switch A112 is electrically connected to the live port 31 through the resistor A111; the other end of the resistor F334 is electrically connected to the ground port 33.
  • a test switch B113 is provided. One end of the test switch B113 is electrically connected to the test terminal of the live control device 1, and the other end of the test switch B113 is electrically connected to the output terminal of the live wire disconnect switch 312; or the other end of the test switch B113 is connected to the output terminal of the live wire disconnect switch 312 through a resistor C131. The output terminal of the live wire disconnect switch 312 is electrically connected.
  • test switch C122 is provided, one end of the test switch C122 is electrically connected to the test terminal of the charged control device 1, the other end of the test switch C122 is electrically connected to the neutral port 32, or the other end of the test switch C122 is connected to the neutral port via a resistor B121 32 electrical connections.
  • the two ends of the test switch A112 and the test switch C122 can be connected in parallel.
  • the test switch G51 is also provided, and the test switch G51 and the resistor G52 are connected in series on both ends of the live wire disconnect switch 312 and the neutral wire disconnect switch 322.
  • the current transformer 23 senses the current and transmits it to the disconnection control circuit 2 to control the disconnection control component 21 to operate, so that the live line disconnection switch 312 and the neutral line disconnection switch 322 are turned off.
  • the resistance value of the resistor and the capacity of the capacitor in the embodiment 3 and embodiment 4 of the present invention can be flexibly set according to actual application requirements and safety regulations.
  • resistor A111, resistor B121, resistor C131, and resistor D314 The resistor E324 uses a 470K ⁇ resistor; the resistor F334 uses a 1M ⁇ resistor, the capacitor A313 and the capacitor B323 use a 820PF capacitor; the capacitor C115 uses a 470PF capacitor.
  • the resistor A111, the resistor B121, the resistor C131, the resistor D314, and the resistor E324 play the role of isolated power supply for the charging control device 1; the resistor F334, the capacitor D333, the resistor D314, the resistor E324, the capacitor A313, and the capacitor B323 form a circuit loop. At the same time, the ground wire port 33 and the neutral wire port 32, and the ground wire port 33 and the live wire port 31 are safely isolated.
  • working principle of embodiment 3 and embodiment 4 of the present invention working principle of the present invention: the ground wire port 33 is electrically connected to the C terminal of the rectifying component 101 through a resistor F334, and the D terminal of the rectifying component 101 is connected to the live wire port through a resistor D314 and a resistor E324, respectively 31.
  • the neutral port 32 is electrically connected; the A end of the rectifying component 101 is electrically connected to one end of the thyristor 104, the other end of the thyristor 104 is electrically connected to the positive electrode of the LED lamp 105, and the negative electrode of the LED lamp 105 is electrically connected to the rectifying component 101
  • the B terminal of the rectifying component 101 is electrically connected; the A terminal and the B terminal of the rectifying component 101 are provided with a capacitor 102; the A terminal of the rectifying component 101 is also provided with a bidirectional diode 103 that is electrically connected to the control electrode of the thyristor 104;
  • the C terminal and D terminal of the charging control device 1 form a circuit loop.
  • the test terminal 11 is the C terminal.
  • the ground port 33 is shown as a conductive component that can be touched with the human body, such as a metal shell of a household appliance or electrical device.
  • the bidirectional diode 103 can be set to one or more in series, and the embodiment of the present invention is set to four in series.
  • the capacity of the capacitor 102 can be set according to actual applications.
  • the charging component of the embodiment of the present invention is set as the capacitor 102, and the capacity is set to 2-10 nF.
  • the main control board 2 is identified as the power-off control circuit 2
  • the power-off control circuit 21 is identified as the circuit-breaking control component 21.
  • the charging control circuit 1 is provided with a test terminal 11 and a sensing terminal 133; the test terminal 11 is electrically connected to the ground port 33; The sensing terminal 133 is electrically connected to the live wire port 31 and the neutral wire port 32 through components; a control switch 61 is provided, and the control switch 61 is serially connected between the test terminal 11 and the ground wire port 33; the live control circuit 1 is electrically connected to the open circuit control circuit 2 or connected with an electrical signal.
  • the control switch 61 can be set as an electronic control switch 61, or can be set as a manual control switch 61.
  • the disconnection control circuit 2 is provided with a disconnection control component 21, a live disconnection switch 312, a neutral disconnection switch 322, and a ground disconnection switch 332; the disconnection control circuit 2 can control the live disconnection switch 312, the neutral disconnection switch 322, and the ground.
  • the line disconnect switch 332 is turned off.
  • a ground detection circuit 6 is provided, and the ground detection circuit 6 detects the connection and disconnection of the ground; a switch control circuit 62 is provided, and the switch control circuit 62 is electrically connected to the ground detection circuit 6.
  • the switch control circuit 62 controls the connection and disconnection of the control switch 61 according to the signal output by the ground detection circuit 6.
  • the switch control circuit 62 When the switch control circuit 62 receives the control signal output by the ground detection circuit 6, the switch control circuit 62 controls the control switch 61 to be connected; when the ground detection circuit 6 does not output a control signal, the switch control circuit 62 controls the control switch 61 to turn off open.
  • the control scheme of the home appliance can also be set as follows: when the switch control circuit 62 receives the ground wire detection circuit 6 output control signal, the switch control circuit 62 controls the control switch 61 to turn off; when the switch control circuit 62 does not receive the ground wire When the control signal output by the detection circuit 6 is detected, the switch control circuit 62 controls the control switch 61 to be connected, so that when the ground detection circuit 6 fails and no control signal is output, the household electrical appliances have double leakage protection, which has a better protection effect.
  • the sensing terminal 133 of the charged control circuit 1 is electrically connected to the live wire port 31 through a resistor D314, or the sensing terminal 133 of the charged control circuit 1 is electrically connected to the live wire port 31 through a capacitor A313; the sensing terminal 133 of the charged control circuit 1 is electrically connected through a resistor E324 is electrically connected to the neutral port 32, or the sensing terminal 133 of the charging control circuit 1 is electrically connected to the neutral port 32 via a capacitor B323.
  • the test terminal 11 of the charging control circuit 1 is provided with a resistor F334 to be electrically connected to the ground port 33, or the test terminal 11 of the charging control circuit 1 is provided with a capacitor D333 to be electrically connected to the ground port 33.
  • a capacitor C115 is provided and connected to the sensing terminal 133 and the testing terminal 11 of the charging control circuit 1.
  • the capacitor C can have the technical effect of reducing external interference.
  • a warning component 12 is provided on the household appliance, and the warning component 12 can be arranged on the charging control circuit 1 or on other circuits.
  • the present invention is arranged on the charging control circuit 1.
  • the disconnection control circuit 2 is provided with a current transformer 23; when the current transformer 23 is unbalanced between the neutral line 321 and the live line 311, it can output a control signal to the disconnection control circuit 2 to disconnect the disconnection switch.
  • a test switch A112 is provided, one end of the test switch A112 is electrically connected to the test terminal 11 of the charged control circuit 1, and the other end of the test switch A112 is electrically connected to the live wire port 31 and the neutral wire port 32 through components.
  • the component can be a resistor, a capacitor, or other components that can achieve the above-mentioned technical effects.
  • the embodiment of the present invention is a resistor.
  • the present invention limits and reduces the voltage of the circuit through components, and changes the voltage and current into safe voltage and current.
  • a ground wire disconnect switch 332 is provided.
  • the ground wire disconnect switch 332 is set in linkage with the live wire disconnect switch 312 and the neutral wire disconnect switch 322, or the ground wire disconnect switch 332 and the live wire disconnect switch 312 , The neutral line disconnect switch 322 is controlled separately.
  • a test switch A112 and a resistance F334 are provided; one end of the test switch A112 and the resistance F334 is electrically connected to the test terminal 11 of the charging control circuit 1, and the other end of the test switch A112 is connected to the live wire
  • the port 31 is electrically connected, or the other end of the test switch A112 is electrically connected to the live port 31 via a resistor A111, and is electrically connected to the neutral port 32 via a resistor B121; the other end of the resistor F334 is electrically connected to the ground port 33.
  • test switch B113 is provided. One end of the test switch B113 is electrically connected to the test terminal 11 of the charged control circuit 1, and the other end of the test switch B113 is electrically connected to the output terminal of the live wire disconnect switch 312; or the other end of the test switch B113 is connected through a resistor C131 It is electrically connected to the output terminal of the live wire disconnect switch 312.
  • test switch C122 is provided. One end of the test switch C122 is electrically connected to the test terminal 11 of the charged control circuit 1, and the other end of the test switch C122 is electrically connected to the neutral line port 32, or the other end of the test switch C122 is connected to the neutral line via a resistor B121 Port 32 is electrically connected. The two ends of the test switch A112 and the test switch C122 can be connected in parallel.
  • the test switch G51 is also provided, and the test switch G51 and the resistor G52 are connected in series on both ends of the live wire disconnect switch 312 and the neutral wire disconnect switch 322.
  • the current transformer 23 senses the current and transmits it to the disconnection control circuit 2 to control the disconnection control component 21 to operate, so that the live line disconnection switch 312 and the neutral line disconnection switch 322 are turned off.
  • the resistance value of the resistor and the capacitance of the capacitor in the fifth and sixth embodiments of the present invention can be flexibly set according to the actual application to ensure the normal operation of the circuit and the requirements of safety regulations.
  • the resistor B121, the resistor C131, the resistor D314, the resistor E324, and the resistor F334 use a 510K ⁇ resistor; the capacitor A313 and the capacitor B323 use a capacitor of 820PF; and the capacitor C115 uses a capacitor of 470PF.
  • the resistor A111, the resistor B121, the resistor C131, the resistor D314, and the resistor E324 play the role of isolated power supply for the charging control circuit 1; the resistor F334, the capacitor D333, the resistor D314, the resistor E324, the capacitor A313, and the capacitor B323 form a circuit loop. At the same time, the ground wire port 33 and the neutral wire port 32, and the ground wire port 33 and the live wire port 31 are safely isolated.
  • the ground wire port 33 is electrically connected to the C terminal of the rectifying component 101 through a resistor F334, and the D terminal of the rectifying component 101 is respectively connected to the live wire port 31 and the neutral wire port through a resistor D314 and a resistor E324.
  • the A terminal and B terminal of the rectifying component 101 are provided with capacitors 102; the A terminal of the rectifying component 101 is also provided with a bidirectional diode 103 that is electrically connected to the control electrode of the thyristor 104; C terminal and D terminal form a circuit loop.
  • the test terminal 11 is the C terminal, and the sensing terminal 133 is the D terminal.
  • the ground port 33 is represented as a conductive component that can be touched by the human body, such as a metal shell of a household appliance or electrical device.
  • the output control signal can be set at the output terminal of the silicon controlled silicon 104.
  • the bidirectional diode 103 can be set as one or more than one in series, and the capacity of the capacitor 102 can be set according to actual applications.
  • the charging component in the embodiment of the present invention is set as the capacitor 102, and the capacity is set to 100 nF.
  • the technical solution of the present invention adopts the above circuit to realize circuit control, and other circuits can also be used to realize the effect of the above technical solution.
  • the charging control circuit 1 of the present invention can also be applied as a ground detection circuit 6.
  • the output terminal of the charged control circuit 1 can also be isolated by a photocoupler, so that the control signal sampling circuit is electrically isolated from the control circuit.
  • the size of the capacitance of the capacitor 102 can be adjusted to the frequency of conducting the thyristor and the size of the output current.
  • the ground wire detection circuit 6 can be set to automatically self-check the interval time to further ensure the safety of electricity consumption of the electrical equipment connected to the output port 4 of the present invention.
  • the charging control circuit 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
  • the ground wire port 33 is energized when the household appliance leaks, or the metal part 5 of the household appliance housing is energized, and the live control circuit 1 outputs the control voltage or signal to the main control board 2.
  • the control board 2 controls the disconnection control circuit 21 to turn off the control switch 22, prompting the user of the leakage of the household appliance and taking measures in time.
  • the charging control device 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
  • test switch A112 When the home power grid is normal and the ground wire port 33 is not live, the test switch A112 is connected, and the warning component 12 issues a warning, indicating that the live control circuit 1 is working normally.
  • the test switch B113 or the test switch A112 When the household appliance is working normally, the test switch B113 or the test switch A112 is connected, the charged control circuit 1 outputs a control voltage or signal to the main control board 2, and the main control board 2 controls the circuit breaker control circuit 21 to turn off the electric control switch 22.
  • the control circuit 1 When the home appliance leaks, the ground port 33 is charged, or the metal part of the housing 5 and the live parts that can be touched by the human body are charged, the control circuit 1 outputs the control voltage or signal to the main control board 2, and the main control board 2 controls the circuit breaker control circuit 21 Turn off the electric control switch 22 to remind the user that electrical equipment is leaking, and take measures in time.
  • the charging control device 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
  • test switch A112 When the home power grid is normal and the ground wire port 33 is not live, the test switch A112 is connected, and the warning component 12 issues a warning, indicating that the live control device 1 is working normally.
  • the electrification control device 1 outputs a control voltage or signal to the circuit breaker control circuit 2.
  • the circuit breaker control circuit 2 controls the circuit breaker control component 21 to turn off the circuit breaker, prompting the user of the electrical appliance If the equipment leaks electricity, take measures in time.
  • the charging control device 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
  • test switch A112 When the home power grid is normal and the ground wire port 33 is not live, the test switch A112 is connected, and the warning component 12 issues a warning, indicating that the live control device 1 is working normally.
  • disconnect switch when the electrical equipment is normal, connect the test switch B113 or the test switch A112, the charging control device 1 outputs a control voltage or signal to the disconnect control circuit 2, and the disconnect control circuit 2 controls the disconnect control component 21 to disconnect the disconnect switch .
  • the circuit breaker control circuit 2 controls the circuit breaker control component 21 to turn off the circuit breaker, prompting the user of the electrical appliance If the equipment leaks electricity, take measures in time.
  • the charging control circuit 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
  • test switch A112 When the home power grid is normal and the ground wire port 33 is not live, the test switch A112 is connected, and the warning component 12 issues a warning, indicating that the live control circuit 1 is working normally.
  • the electrification control circuit 1 outputs a control voltage or signal to the circuit breaker control circuit 2, and the circuit breaker control circuit 2 controls the circuit breaker control component 21 to turn off the circuit breaker to remind the user of the electrical appliances. If the equipment leaks electricity, take measures in time.
  • the input terminal of the household appliance is connected to the mains.
  • the household appliance performs self-check.
  • the control switch 61 When the ground wire is detected to be disconnected, the control switch 61 is connected; when the ground wire is detected to be connected, the control switch 61 is disconnected.
  • the control circuit 62 controls the control switch 61 to be connected; when the ground wire port 33 of the electrical equipment connected to the household appliance touches the live wire or the neutral wire, it is electrified
  • the control circuit 1 outputs a control voltage or signal to the disconnection control circuit 2, and the disconnection control circuit 2 controls the disconnection control component 21 to turn off the disconnection switch.
  • the control circuit 62 controls the control switch 61 to turn off; when the ground wire port 33 of the electrical equipment connected to the household appliance touches the live wire or the neutral wire,
  • the current transformer 23 outputs a control signal to the circuit breaker control circuit 2, and the circuit breaker control circuit 2 controls the circuit breaker control component 21 to turn off the circuit breaker switch, prompting the user of electrical equipment leakage, and taking measures in time.

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Abstract

A household appliance, comprising a housing, a main control board (2), and a live control circuit (1). A live wire port (31), a zero wire port (32), the main control board (2), and the live control circuit (1) are provided in the housing; the live control circuit (1) is provided with a test terminal (11) and a sensing terminal (133); the test terminal (11) of the live control circuit (1) is electrically connected to a metal part (5) of the housing or a conductive part which can be touched by a human body; the main control board (2) is electrically connected to a power supply port (3), and a circuit breaker control circuit (21) is provided on the main control board (2); the circuit breaker control circuit (21) controls on and off of an electric control switch (22); the live control circuit (1) is electrically connected to the main control board (2). By means of the household appliance, the technical effects of live warning of a metal housing of a household appliance without a ground wire and automatic power off are achieved; potential safety hazards caused by disconnection of a ground wire bus of a household power grid of a household appliance with a ground wire are also avoided, so that a user obtains better safety guarantee.

Description

一种家用电器A household appliance 技术领域Technical field
本发明涉及家用电器技术领域，具体涉及一种具有警示及防护功能的家用电器及其控制方法。The invention relates to the technical field of household appliances, in particular to a household appliance with warning and protection functions and a control method thereof.
背景技术Background technique
目前部分家用电器没有接地线，其外壳采用了金属材料，当火线或者零线与其金属外壳碰触时，其外壳带电，对用户会造成安全隐患。以及城市部分旧的楼房及农村部分楼房，其家庭电网没有安装地线，以及安装地线的楼房由于地线老化，导致家庭电网接地总线断路，当家用电器的火线、或者零线碰触到其连接地线端口的金属外壳，此时家用电器不会断开输入电源，从而会造成该家用电器使用过程中存在安全隐患。同时其漏电还会串入家庭电网的地线中，引起家庭电网其它有地线的家用电器存在安全隐患。At present, some household appliances do not have a grounding wire, and their shells are made of metal materials. When the live wire or neutral wire touches the metal shell, the shell is charged, which may cause safety hazards to users. As well as some old buildings in cities and some buildings in rural areas, the home power grid is not equipped with a ground wire, and the ground wire of the building is installed due to the aging of the ground wire, causing the home power grid grounding bus to be disconnected. When the live wire or neutral wire of the household appliance touches it Connect the metal shell of the ground wire port, the household appliance will not disconnect the input power at this time, which may cause safety hazards during the use of the household appliance. At the same time, its leakage will also be connected to the ground wire of the home power grid, causing safety hazards in other home appliances that have ground wires in the home power grid.
技术解决方案Technical solutions
本发明要解决的第一个技术问题是：如何使没有地线的家用电器，当其火线、或者零线碰触到其金属壳体时，能够断开其输入电源，确保家用电器的使用安全。为了解决上述技术问题，本发明所述家用电器，带电控制电路的测试端与其金属壳体，或者人体可触及的导电部件电连接；带电控制电路的感测端经感测部件与零线、火线靠近组合，并相互绝缘；或者感测端经元件与零线、火线电连接，其带电控制电路与主控电连接，主控板控制电控开关断开火线断路开关、零线断路开关。从而使得不论火线、还是零线触及家用电器的金属壳体，家用电器都会断开其输入电源。The first technical problem to be solved by the present invention is: how to make household appliances without ground wire, when the live wire or neutral wire touches its metal shell, the input power can be disconnected to ensure the safe use of household appliances . In order to solve the above technical problems, in the household appliance of the present invention, the test terminal of the charged control circuit is electrically connected to its metal shell, or a conductive component that can be touched by the human body; the sensing terminal of the charged control circuit is connected to the neutral wire and the live wire through the sensing component Close to the combination and insulated from each other; or the sensing end is electrically connected to the neutral wire and the live wire through the element, and the live control circuit is electrically connected to the main control, and the main control board controls the electric control switch to disconnect the live wire disconnect switch and the neutral wire disconnect switch. Therefore, whether the live wire or the neutral wire touches the metal shell of the household appliance, the household appliance will disconnect its input power.
本发明要解决的第二个技术问题是：如何使家用电器，在家庭电网地线总线断路情况下，其金属壳体碰触到其它电源端口的火线、或者零线时，确保家用电器断开输入电源，从而避免家用电器的金属壳体带电，引起地线端口带电，造成连接家庭电网其它用电设备连接地线的金属壳体也带电，导致影响其它用电设备使用的安全性。为了解决上述技术问题，本发明所述家用电器，其带电控制电路的测试端与地线端口电连接；带电控制电路的感测端经感测部件与零线、火线靠近组合，或者感测端经元件与零线、火线电连接。以及家用电器的电控开关设有地线断路开关，从而使得本发明家用电器，当其金属壳体碰触到火线或者零线，可以断开其地线断路开关，从而避免家用电器的金属壳体带电，引起家庭电网中其它电源端口的地线端口带电，从而降低人员使用用电设备的安全隐患。The second technical problem to be solved by the present invention is: how to make the household electrical appliance disconnect when its metal shell touches the live wire or the neutral line of other power ports when the ground wire bus of the home power grid is disconnected Input power to prevent the metal housing of household appliances from being charged, causing the ground wire port to be charged, causing the metal housing of other electrical equipment connected to the home grid to be connected to the ground wire also being charged, which will affect the safety of other electrical equipment. In order to solve the above technical problems, in the household appliance of the present invention, the test terminal of the charged control circuit is electrically connected to the ground terminal; the sensing terminal of the charged control circuit is combined with the neutral wire and the live wire through the sensing component, or the sensing terminal The components are electrically connected with the neutral wire and the live wire. And the electric control switch of the household appliance is provided with a ground disconnect switch, so that when the metal shell of the household appliance of the present invention touches the live wire or the neutral line, the ground disconnect switch can be disconnected, thereby avoiding the metal shell of the household appliance. The body is electrified, causing the ground wire port of other power ports in the home power grid to become electrified, thereby reducing the potential safety hazards of personnel using electrical equipment.
本发明要解决的第三个技术问题是：如何使家用电器，在正常工作的情况下，检测其金属壳体带电时，家用电器警示功能是否正常，同时还不影响家用电器使用及安全性。例如：电冰箱通常采用压缩机制冷，其金属外壳与地线端口相连接，由于压缩机不可以频繁开 启与关闭，否则容易损坏。在不用断开电冰箱的输入电源，测试电冰箱外壳带电时，检查漏电保护开关警示效果是否正常，同时还不能因漏电伤害到用户。为了解决上述技术问题，本发明所述家用电器，其带电控制电路的测试端经元件与地线端口电连接，带电控制电路的感测端经感测部件与零线、火线靠近组合，或者感测端经元件与零线、火线电连接。例如：带电控制电路的测试端设有测试开关A、电阻A、电阻D，感测端设有电阻D、电阻E；连通测试开关A，此时零线端口、火线端口分别经电阻D、电阻E，再通过测试开关A与测试端相连接，通过高阻抗电阻隔离，将火线端口、零线端口连接到家用电器的金属壳体，此时的漏电流很小，在220V的市电中可以设置在0.01mA及以下，提示用户家用电器壳体带电，其警示功能正常；既不会对用户产生伤害，也不会导致外部串接的漏电保护开关动作，断开供电电源，影响家用电器的正常使用。The third technical problem to be solved by the present invention is how to make the household appliance detect whether the warning function of the household appliance is normal when the metal shell of the household appliance is energized under normal working conditions without affecting the use and safety of the household appliance. For example: Refrigerators usually use compressors for refrigeration, and their metal shell is connected to the ground port. Since the compressor cannot be turned on and off frequently, it will be easily damaged. Without disconnecting the input power of the refrigerator, when testing that the refrigerator shell is live, check whether the warning effect of the leakage protection switch is normal, and at the same time, the user cannot be injured by the leakage. In order to solve the above technical problems, the test terminal of the charged control circuit of the household appliance of the present invention is electrically connected to the ground terminal via the component, and the sensing terminal of the charged control circuit is combined with the neutral wire and the live wire through the sensing component, or the sensing terminal is close to the neutral wire and the live wire. The measuring terminal is electrically connected with the neutral wire and the live wire through the component. For example: the test end of the live control circuit is equipped with test switch A, resistance A, and resistance D, and the sensing end is equipped with resistance D and resistance E; connect to the test switch A, at this time, the neutral port and the live wire port pass through the resistance D and the resistance respectively. E. Then connect the test switch A to the test terminal, isolate the live wire port and the neutral wire port to the metal shell of the household appliance through high impedance resistance. At this time, the leakage current is very small, and it can be used in 220V city power. Set at 0.01mA and below, it reminds the user that the housing of the household appliance is live, and its warning function is normal; it will neither cause harm to the user, nor cause the operation of the external leakage protection switch connected in series, disconnect the power supply, and affect the home appliance. Normal use.
本发明要解决的第四个技术问题是：如何使家用电器，在家庭电网中有地线，或者没有地线时，当火线或者零线碰触到家用电器的金属壳体时，都要断开其断路部件，更好的确保家用电器使用的安全性。为了解决上述技术问题，本发明所述家用电器，设有地线检测电路，控制开关，当检测到地线连接正常时，可以应用零线、火线电流不平衡时，超过设定限制电流，断开断路部件；当检测到地线断路时，可以使用本发明所述带电控制电路，实现家用电器金属外壳碰触到零线或者是火线时，断开家用电器的输入电源，更好的确保家用电器使用的安全性。The fourth technical problem to be solved by the present invention is: how to make the household electrical appliance have a ground wire in the home power grid, or there is no ground wire, when the live wire or the neutral wire touches the metal shell of the household electrical appliance, they must be disconnected. Open its circuit breaker parts to better ensure the safety of household appliances. In order to solve the above technical problems, the household appliance of the present invention is equipped with a ground wire detection circuit and a control switch. When it is detected that the ground wire is connected normally, the neutral wire and the live wire can be applied when the current is unbalanced. Circuit breaker component; when the ground wire is disconnected, the charged control circuit of the present invention can be used to realize that when the metal shell of the household appliance touches the neutral wire or the live wire, the input power of the household appliance is disconnected to better ensure the household The safety of electrical appliances.
本发明要解决的第五个技术问题是：如何使家用电器的金属壳体碰触到火线或者零线时，断开输入电源，从而确保家用电器使用的安全性，同时还要确保家用电器在安全规定测试中，其高电压不会对带电控制装置造成不良影响，导致家用电器受损。例如：部分家用电器其外壳与火线、零线之间要承受1000V以上的耐压的测试。为了解决上述技术问题，本发明所述家用电器其带电控制电路的测试端经高阻抗电阻，或者经电容与地线端口电连接，既实现了安全规定测试的要求，又实现了家用电器外壳带电断电控制的技术效果。The fifth technical problem to be solved by the present invention is: how to disconnect the input power when the metal shell of the household appliance touches the live line or the neutral line, so as to ensure the safety of the household appliance and at the same time ensure that the household appliance is in use In the safety regulation test, its high voltage will not cause adverse effects on the live control device and cause damage to the household appliances. For example: some household appliances have to withstand the test of withstand voltage above 1000V between the shell and the live wire and the neutral wire. In order to solve the above technical problems, the test terminal of the charging control circuit of the household appliance of the present invention is electrically connected to the ground terminal via a high-impedance resistor or a capacitor, which not only fulfills the requirements of safety regulation test, but also realizes that the housing of the household appliance is charged. The technical effect of power-off control.
发明内容Summary of the invention
本发明提供的一种家用电器，可以在家用电器的外壳或地线带电情况下及时提示用户，或者是断开输入电源，起到安全防护的效果。The household appliance provided by the present invention can prompt the user in time when the housing or the ground wire of the household appliance is electrified, or disconnect the input power source, thereby achieving the effect of safety protection.
本发明所提供的一种家用电器，包括壳体、主控板、带电控制电路。所述壳体内设有火线端口、零线端口、主控板、带电控制电路；所述带电控制电路上设有测试端、感测端；所述带电控制电路的测试端与壳体金属部件或者人体可触及的导电部件电连接；所述主控板与电源端口电连接，主控板上设有断路控制电路；所述断电控制电路控制电控开关的通断；所述带电控制电路与主控板电连接。所述主控板与带电控制电路可以集成在一起，也可以分开设置。The household appliance provided by the present invention includes a housing, a main control board, and a charging control circuit. The shell is provided with a live wire port, a neutral port, a main control board, and a live control circuit; the live control circuit is provided with a test terminal and a sensing terminal; the test terminal of the live control circuit and the metal parts of the shell or The conductive parts that can be touched by the human body are electrically connected; the main control board is electrically connected to the power port, and the main control board is provided with a circuit breaker control circuit; the power off control circuit controls the on and off of the electric control switch; the electrification control circuit is connected with The main control board is electrically connected. The main control board and the charging control circuit can be integrated together, or can be set separately.
电源端口上设有地线端口，所述地线端口与壳体金属部分电连接，或者地线端口与人体可触及的导电部件电连接。A ground wire port is provided on the power port, and the ground wire port is electrically connected with the metal part of the casing, or the ground wire port is electrically connected with a conductive part that can be touched by the human body.
设有电控开关，所述电控开关一端与电源端口电连接，电控开关的另一端与用电部件电连接。所述电控开关上设有火线断路开关、零线断路开关；或者电控开关设有火线断路开关、零线断路开关、地线断路开关。An electric control switch is provided, one end of the electric control switch is electrically connected with the power port, and the other end of the electric control switch is electrically connected with the electrical component. The electric control switch is provided with a live wire disconnect switch and a neutral wire disconnect switch; or the electric control switch is provided with a live wire disconnect switch, a neutral wire disconnect switch, and a ground wire disconnect switch.
设有零线与感测部件靠近组合，并相互绝缘；或者设有零线、火线与感测部件靠近组合，并相互绝缘。The neutral wire and the sensing component are provided close to the combination and insulated from each other; or the neutral wire, the live wire and the sensing component are provided close to the combination and are insulated from each other.
设有警示部件，所述警示部件设置为灯光警示；或者设置为音频警示；或者设置为灯光、音频组合警示。There is a warning component, and the warning component is set as a light warning; or set as an audio warning; or set as a combination of light and audio warning.
带电控制电路的感测端经元件分别与火线端口、零线端口电连接；带电控制电路的测试端经元件与地线端口电连接。The sensing end of the live control circuit is electrically connected with the live wire port and the neutral port through the component; the test end of the live control circuit is electrically connected with the ground wire port through the component.
带电控制电路的感测端经电阻D与火线端口电连接，或者带电控制电路的感测端经电容A与火线端口电连接；带电控制电路的感测端经电阻E与零线端口电连接，或者带电控制电路的感测端经电容B与零线端口电连接。The sensing end of the live control circuit is electrically connected to the live wire port via a resistor D, or the sensing end of the live control circuit is electrically connected to the live wire port via a capacitor A; the sensing end of the live control circuit is electrically connected to the neutral port via a resistor E, Or the sensing end of the charged control circuit is electrically connected to the neutral port via the capacitor B.
带电控制电路的测试端设有电阻F与地线端口电连接，或者带电控制电路的测试端设有电容D与地线端口电连接。The test end of the live control circuit is provided with a resistor F to be electrically connected to the ground wire port, or the test end of the live control circuit is provided with a capacitor D to be electrically connected to the ground wire port.
设有电容C并接于带电控制电路的感测端与测试端；断路控制电路上设有电流互感器。A capacitor C is provided and connected to the sensing end and the test end of the live control circuit; the open circuit control circuit is provided with a current transformer.
设有控制开关，所述控制开关串接于测试端与地线端口之间；设有地线检测电路，所述地线检测电路检测地线的连通与断开；设有开关控制电路，所述开关控制电路与地线检测电路电连接。A control switch is provided, which is connected in series between the test terminal and the ground wire port; a ground wire detection circuit is provided, and the ground wire detection circuit detects the connection and disconnection of the ground wire; and a switch control circuit is provided. The switch control circuit is electrically connected to the ground detection circuit.
所述地线检测电路输出控制信号时，开关控制电路控制控制开关连通；地线检测电路没有输出控制信号时，开关控制电路控制控制开关断开；或者所述地线检测电路输出控制信号时，开关控制电路控制控制开关断开；地线检测电路没有输出控制信号时，开关控制电路控制控制开关连通。When the ground wire detection circuit outputs a control signal, the switch control circuit controls the control switch to be connected; when the ground wire detection circuit does not output a control signal, the switch control circuit controls the control switch to turn off; or when the ground wire detection circuit outputs a control signal, The switch control circuit controls the control switch to turn off; when the ground wire detection circuit does not output a control signal, the switch control circuit controls the control switch to connect.
设有测试开关A，所述测试开关A的一端与带电控制电路的测试端电连接，测试开关A的另一端与火线断路开关电连接。A test switch A is provided, one end of the test switch A is electrically connected to the test end of the charged control circuit, and the other end of the test switch A is electrically connected to the live wire disconnect switch.
设有测试开关A，所述测试开关A的一端与带电控制电路的测试端电连接，测试开关A的另一端与火线断路开关输入端电连接。A test switch A is provided, one end of the test switch A is electrically connected to the test terminal of the charged control circuit, and the other end of the test switch A is electrically connected to the input terminal of the live wire disconnect switch.
设有测试开关B，测试开关B的一端与带电控制电路的测试端电连接，测试开关B的另一端与火线断路开关的输出端电连接。A test switch B is provided, one end of the test switch B is electrically connected to the test end of the live control circuit, and the other end of the test switch B is electrically connected to the output end of the live wire disconnect switch.
设有测试开关C，所述测试开关C的一端与带电控制电路的测试端电连接，测试 开关C的另一端与零线端口电连接。A test switch C is provided, one end of the test switch C is electrically connected to the test end of the charged control circuit, and the other end of the test switch C is electrically connected to the neutral port.
设有电阻A，所述电阻A的一端与火线端口电连接，电阻A的另一端与带电控制电路的测试端电连接，或者电阻A的另一端经测试开关A与带电控制电路的测试端电连接；设有电阻B，所述电阻B的一端与零线端口电连接，电阻B的另一端与带电控制电路的测试端电连接，或者电阻B的另一端经测试开关C与带电控制电路的测试端电连接；设有电阻C，所述电阻C的一端与火线断路开关输出端电连接，电阻C的另一端与带电控制电路的测试端电连接，或者电阻C的另一端经测试开关B与带电控制电路的测试端电连接。A resistor A is provided, one end of the resistor A is electrically connected to the live wire port, the other end of the resistor A is electrically connected to the test terminal of the charged control circuit, or the other end of the resistor A is electrically connected to the test terminal of the charged control circuit through the test switch A Connection; provided with a resistor B, one end of the resistor B is electrically connected to the neutral port, the other end of the resistor B is electrically connected to the test end of the live control circuit, or the other end of the resistor B is connected to the live control circuit through the test switch C The test terminal is electrically connected; a resistor C is provided, one end of the resistor C is electrically connected to the output terminal of the live wire disconnect switch, the other end of the resistor C is electrically connected to the test terminal of the live control circuit, or the other end of the resistor C is through the test switch B It is electrically connected to the test terminal of the live control circuit.
本发明所述家用电器的接地部件与火线或者零线接触带电时，可以切断输入电源，避免了电器接地部件带电时，在没有地线的情况下，电流通过人体等导体产生漏电流，才断开断路开关。When the grounding component of the household appliance of the present invention is in contact with the live wire or the neutral line, the input power can be cut off, avoiding that when the grounding component of the electrical appliance is charged, when there is no ground wire, the current passes through the human body and other conductors to generate leakage current before it is disconnected. Open the disconnect switch.
以上技术方案可以看出，本发明一种家用电器，包括壳体、主控板、带电控制电路；所述壳体内设有火线端口、零线端口、主控板、带电控制电路。所述带电控制电路的测试端与壳体金属部件，或者人体可触及的导电部件电连接；带电控制电路上设有感测部件、警示部件。所述主控板与电源端口电连接，主控板上设有断路控制电路；设有电控开关，其电控开关的一端与电源端口电连接，电控开关的另一端与用电部件电连接。所述断电控制电路，控制电控开关的通断；以及带电控制电路与主控板电连接。实现了无地线家用电器金属外壳带电警示，及自动断电的技术效果；还实现了有地线家用电器，因家庭电网地线总线断开，所引起的安全隐患，使用户获得更好的安全保障。It can be seen from the above technical solutions that a household appliance of the present invention includes a housing, a main control board, and a live control circuit; the housing is provided with a live wire port, a neutral port, a main control board, and a live control circuit. The test terminal of the charging control circuit is electrically connected with the metal part of the shell or the conductive part that can be touched by the human body; the charging control circuit is provided with sensing parts and warning parts. The main control board is electrically connected to the power port, the main control board is provided with a circuit breaker control circuit; an electric control switch is provided, one end of the electric control switch is electrically connected to the power port, and the other end of the electric control switch is electrically connected to the electrical component connection. The power-off control circuit controls the on and off of the electric control switch; and the charging control circuit is electrically connected with the main control board. It has realized the technical effect of live warning and automatic power-off of the metal shell of non-grounded household appliances; it has also realized the potential safety hazards caused by the disconnection of the grounding bus of the home power grid for household appliances with grounding, so that users can get better Security guarantee.
附图说明Description of the drawings
图1是本发明实施例1、实施例2工作原理图。Fig. 1 is a working principle diagram of embodiment 1 and embodiment 2 of the present invention.
图2是本发明实施例3工作原理图。Fig. 2 is a working principle diagram of embodiment 3 of the present invention.
图3是本发明实施例4工作原理图。Fig. 3 is a working principle diagram of embodiment 4 of the present invention.
图4是本发明实施例5工作原理图。Fig. 4 is a working principle diagram of embodiment 5 of the present invention.
图5是本发明实施例6工作原理图。Fig. 5 is a working principle diagram of embodiment 6 of the present invention.
图6是本发明带电控制电路工作原理图1。Fig. 6 is the working principle diagram 1 of the charging control circuit of the present invention.
图7是本发明带电控制电路工作原理图2。Fig. 7 is the working principle diagram 2 of the charging control circuit of the present invention.
图8是本发明带电控制电路工作原理图3。Fig. 8 is a working principle diagram 3 of the charging control circuit of the present invention.
图9是本发明带电控制电路工作原理图4。Fig. 9 is a working principle diagram 4 of the charging control circuit of the present invention.
图10是本发明带电控制电路工作原理图5。Fig. 10 is the working principle diagram 5 of the charging control circuit of the present invention.
图11是本发明感测部件与零线组合结构示意图。Figure 11 is a schematic diagram of the combined structure of the sensing component and the neutral line of the present invention.
具体实施方式Detailed ways
下面将结合本发明中的附图，对本发明实施例中的技术方案作进一步地描述：The technical solutions in the embodiments of the present invention will be further described below in conjunction with the drawings in the present invention:
本发明一种家用电器实施例1、实施例2，如图1、图6、图7、图11所示，包括壳体、主控板2、带电控制电路1；所述壳体内设有火线端口31、零线端口32主控板2、带电控制电路1；所述带电控制电路1的测试端与壳体金属部件5或者人体可触及的导电部件电连接；所述带电控制电路1上设有感测部件13、警示部件12。Embodiment 1 and Embodiment 2 of a household appliance of the present invention, as shown in Figure 1, Figure 6, Figure 7, and Figure 11, include a housing, a main control board 2, and a live control circuit 1; the housing is provided with a live wire Port 31, neutral port 32 main control board 2, charging control circuit 1; the test terminal of the charging control circuit 1 is electrically connected to the shell metal part 5 or a conductive part that can be touched by the human body; the charging control circuit 1 is provided with There are a sensing component 13 and a warning component 12.
主控板2与电源端口3电连接，主控板2上设有断路控制电路21；设有电控开关22，所述电控开关22一端与电源端口3电连接，电控开关22的另一端与用电部件4电连接；所述电路控制电路21控制电控开关22的通、断；所述带电控制电路1与主控板2电连接。所述电控开关22，可以设为电子开关，也可以设置为机械开关，本发明实施例设为电子开关，采用可控硅控制。The main control board 2 is electrically connected to the power port 3. The main control board 2 is provided with a circuit breaker control circuit 21; an electric control switch 22 is provided. One end of the electric control switch 22 is electrically connected to the power port 3, and the other of the electric control switch 22 One end is electrically connected to the electrical component 4; the circuit control circuit 21 controls the on and off of the electric control switch 22; the electrification control circuit 1 is electrically connected to the main control board 2. The electronically controlled switch 22 may be set as an electronic switch, or may be set as a mechanical switch. The embodiment of the present invention is set as an electronic switch, which is controlled by a thyristor.
当家用电器有地线时，电源端口3上设有地线端口33，所述地线端口33与壳体金属部分5电连接，或者地线端口33与人体可触及的导电部件电连接。When the household appliance has a ground wire, a ground wire port 33 is provided on the power port 3, and the ground wire port 33 is electrically connected to the metal part 5 of the housing, or the ground wire port 33 is electrically connected to a conductive part that is accessible to the human body.
所述电控开关22上设有火线断路开关312、零线断路开关322；或者电控开关22设有火线断路开关312、零线断路开关322、地线断路开关332。电控开关22设置有地线断路开关332，可以防止家庭电网因地线带电，串入家用电器，对用户造成安全隐患。The electric control switch 22 is provided with a live wire disconnect switch 312 and a neutral disconnect switch 322; or the electric control switch 22 is provided with a live disconnect switch 312, a neutral disconnect switch 322, and a ground disconnect switch 332. The electric control switch 22 is provided with a ground wire disconnect switch 332, which can prevent the household power grid from being connected to the household appliances due to the ground wire being charged, which may cause safety hazards to users.
警示部件12设置为灯光警示；或者设置为音频警示；或者设置为灯光、音频组合警示。The warning component 12 is set as a light warning; or as an audio warning; or as a combination of light and audio warning.
为了使警示部件12警示效果及带电控制电路1控制效果更好，设有零线321与感测部件13靠近组合，并相互绝缘。In order to make the warning effect of the warning component 12 and the control effect of the charging control circuit 1 better, a neutral line 321 and the sensing component 13 are arranged close to the combination and insulated from each other.
本发明实施例1、实施例2，感测部件13采用了长度为50-60毫米，直径为8-10毫米的金属铁管；零线321采用了长度为1-1.2米，线径为0.25-0.5平方毫米的表层绝缘的导线。In the first and second embodiments of the present invention, the sensing component 13 uses a metal iron pipe with a length of 50-60 mm and a diameter of 8-10 mm; the neutral line 321 uses a length of 1-1.2 meters and a wire diameter of 0.25 -0.5 square millimeters of surface-insulated wire.
所述感测部件13设为导电体，根据实际应用可以设为不同的形状及尺寸；所述零线321与感测部件13，经带电控制电路1的测试端与地线形成电路回路。当地线带电时，所述带电控制电路1上的警示部件12发出警示，所述带电控制部件1还可以给主控板2提供控制电压或信号，使断路控制电路21工作，断开电控开关22。所述主控板2电路由火线311、零线321对其进行供电，所述带电控制电路1由地线或者感应火线311电压对其进行供电。使得本发明电路简单实用，其安全提示及稳定性更好等特点。The sensing component 13 is configured as a conductive body, which can be configured in different shapes and sizes according to actual applications; the neutral line 321 and the sensing component 13 form a circuit loop through the test terminal of the charged control circuit 1 and the ground line. When the local line is live, the warning component 12 on the charging control circuit 1 issues a warning. The charging control component 1 can also provide a control voltage or signal to the main control board 2 to make the circuit breaker control circuit 21 work and turn off the electric control switch twenty two. The main control board 2 circuit is powered by the live wire 311 and the neutral wire 321, and the charged control circuit 1 is powered by the ground wire or the induced live wire 311 voltage. The circuit of the present invention is simple and practical, and its safety prompt and stability are better.
设有零线321、火线311与感测部件13靠近组合，并相互绝缘。所述带电控制电路1上的测试端所检测到的电压，经带电控制电路1上的感测部件13与零线321及火线311形成回路。家用电器设有零线321、火线311与感测部件13靠近组合，并相互绝缘，可以使本发明在家庭电网线路没有地线工作更加稳定，及电源端口3的火线311与零线321相 位接反，或者采用隔离变压器供电，其受环境影响小。当火线311与零线321相位接反时，火线311上的感应电压经感测部件13至带电控制电路1上的测试端与地线端口33形成回路。A neutral wire 321, a live wire 311, and the sensing component 13 are arranged close to each other and insulated from each other. The voltage detected by the test terminal on the charging control circuit 1 forms a loop with the neutral wire 321 and the live wire 311 through the sensing component 13 on the charging control circuit 1. The home appliance is provided with a neutral wire 321, a live wire 311, and a sensing component 13 that are closely combined and insulated from each other, which can make the present invention work more stably in the home power grid line without a ground wire, and the live wire 311 and the neutral wire 321 of the power port 3 are connected in phase. On the contrary, or use an isolation transformer for power supply, which is less affected by the environment. When the phase of the live wire 311 and the neutral wire 321 are reversed, the induced voltage on the live wire 311 passes through the sensing component 13 to the test terminal on the charged control circuit 1 to form a loop with the ground wire port 33.
为了能够确定带电控制电路1工作是否正常，设有测试开关A112、电阻A111；所述测试开关A112、电阻A111的一端与带电控制电路1的测试端电连接，测试开关A112的另一端与电控开关22的火线输入端电连接，电阻A111的另一端与地线端口33电连接。所述电阻A111可以阻隔带电控制电路1测试端与火线311短路，使连通测试开关A112时，可以检测带电控制电路1工作是否正常，不会对电网造成影响及危害。所述电阻A111阻值根据实际应用设定，本发明实施例，电阻A111的阻值采用了1-1.5MΩ。In order to be able to determine whether the charging control circuit 1 is working normally, a test switch A112 and a resistance A111 are provided; one end of the test switch A112 and the resistance A111 is electrically connected to the test terminal of the charging control circuit 1, and the other end of the test switch A112 is connected to the electric control The live wire input end of the switch 22 is electrically connected, and the other end of the resistor A111 is electrically connected to the ground wire port 33. The resistor A111 can block the short circuit between the test terminal of the charged control circuit 1 and the live wire 311, so that when the test switch A112 is connected, it can detect whether the charged control circuit 1 is working normally, and will not affect or harm the power grid. The resistance value of the resistor A111 is set according to actual applications. In the embodiment of the present invention, the resistance value of the resistor A111 is 1-1.5 MΩ.
所述感测部件13缠绕在零线321上，或者零线321缠绕在感测部件13上，或者感测部件13靠近零线321并排设置；所述感测部件13缠绕在零线321、火线311上，或者零线321、火线311缠绕在感测部件13上；或者感测部件13靠近零线321、火线311并排设置；或者采用其它组合方式。所述与感测部件13组合用的零线321、火线311的尺寸及形状根据实际应用设定。本发明还可以实现在采用隔离变压器供电时，以及没有安装地线的工作电网，提高地线带电控制装置1的警示效果。The sensing component 13 is wound on the neutral wire 321, or the neutral wire 321 is wound on the sensing component 13, or the sensing components 13 are arranged side by side close to the neutral wire 321; the sensing component 13 is wound on the neutral wire 321, the live wire On 311, either the neutral wire 321 and the live wire 311 are wound on the sensing component 13; or the sensing component 13 is arranged close to the neutral wire 321 and the live wire 311 side by side; or other combinations are adopted. The size and shape of the neutral wire 321 and the live wire 311 used in combination with the sensing component 13 are set according to actual applications. The present invention can also realize the improvement of the warning effect of the ground wire charging control device 1 when the isolation transformer is used for power supply and the working power grid is not installed with a ground wire.
设有测试开关B113，测试开关B113的一端与带电控制电路1的测试端电连接，测试开关B113的另一端与电控开关22的火线输出端电连接。本发明连接用电部件使用时，连通测试开关B113，可以检测主控板2及带电控制电路1工作是否正常。A test switch B113 is provided, one end of the test switch B113 is electrically connected to the test end of the charged control circuit 1, and the other end of the test switch B113 is electrically connected to the live wire output end of the electric control switch 22. When the present invention is used to connect electrical components, the test switch B113 is connected to detect whether the main control board 2 and the charged control circuit 1 work normally.
本发明实施例1、实施例2工作原理：家用电器的地线端口33与整流部件101的C点电连接，整流部件101的D点与感测部件13电连接；整流部件101的A点与可控硅104的一端电连接，可控硅104的另一端与LED灯105的正极电连接，LED灯105的负极与整流部件101的B端电连接；所述整流部件101的A端与B端设有电容102；所述整流部件101的A端，还设有双向二极管103与可控硅104的控制极电连接；所述C点为测试端，D点为感测端133。The working principle of embodiment 1 and embodiment 2 of the present invention: the ground port 33 of the household appliance is electrically connected to the point C of the rectifying component 101, the point D of the rectifying component 101 is electrically connected to the sensing component 13; the point A of the rectifying component 101 is electrically connected to One end of the thyristor 104 is electrically connected, the other end of the thyristor 104 is electrically connected to the positive electrode of the LED lamp 105, and the negative electrode of the LED lamp 105 is electrically connected to the B end of the rectifying component 101; A capacitor 102 is provided at the end; the A end of the rectifying component 101 is also provided with a bidirectional diode 103 that is electrically connected to the control electrode of the thyristor 104; the point C is the test end, and the point D is the sensing end 133.
所述双向二极管103可以设为一只或一只以上的串联，本发明设为三只串联。所述电容102也可以设置为陶瓷压电片，此时陶瓷压电片既可以作为充电部件，也可以作为发音部件。所述电容的容量可以根据实际应用而设定，本发明实施例充电部件设置为电容102，其容量设定为2-10nF。The bidirectional diode 103 can be set to one or more than one in series, and the present invention is set to three in series. The capacitor 102 can also be set as a ceramic piezoelectric sheet, in which case the ceramic piezoelectric sheet can be used as a charging component or a sounding component. The capacity of the capacitor can be set according to actual applications. The charging component in the embodiment of the present invention is set as the capacitor 102, and the capacity is set to 2-10 nF.
本发明实施例3、实施例4：带电控制电路1标识为带电控制装置1，主控板2标识为断电控制电路2，断电控制电路21标识为断路控制部件21。如图3、图4、图8、图9、图10所示，所述家用电器上设有火线端口31、零线端口32、地线端口33、断路控制电路2、带电控制装置1；所述断路控制电路2上设有断路控制部件21、火线断路开关312、 零线断路开关322；所述地线端口33与带电控制装置1的测试端电连接；所述带电控制装置1与断路控制电路2电连接或者电信号连接；所述带电控制装置1的D端经元件分别与火线端口31、零线端口32相连接；所述带电控制装置1的C端设有电元件与地线端口33相连接。在没有地线的用电设备中，所述地线端口33表示为用电设备中人体可触及的导电部件，例如，家用电器及用电设备的金属外壳。所述断路开关根据实际应用可以设为机械开关，也可以设为电子开关。 Embodiment 3 and Embodiment 4 of the present invention: the charging control circuit 1 is identified as the charging control device 1, the main control board 2 is identified as the power-off control circuit 2, and the power-off control circuit 21 is identified as the disconnection control component 21. As shown in Figure 3, Figure 4, Figure 8, Figure 9, Figure 10, the household appliance is provided with a live wire port 31, a neutral wire port 32, a ground wire port 33, a circuit breaker control circuit 2, and a live control device 1; The disconnection control circuit 2 is provided with a disconnection control component 21, a live disconnection switch 312, and a neutral disconnection switch 322; the ground port 33 is electrically connected to the test terminal of the charging control device 1; the charging control device 1 is connected to the disconnection control The circuit 2 is electrically connected or connected with an electrical signal; the D terminal of the charging control device 1 is connected to the live wire port 31 and the neutral wire port 32 through components, respectively; the C terminal of the charging control device 1 is provided with an electric component and a ground wire port 33 phase connection. In electrical equipment without a ground wire, the ground port 33 is represented as a conductive part that is accessible to the human body in the electrical equipment, for example, the metal shell of household appliances and electrical equipment. The disconnect switch can be set as a mechanical switch or an electronic switch according to actual applications.
带电控制装置1的D端经电阻D314与火线端口31电连接，或者带电控制装置1的D端经电容A313与火线端口31电连接；带电控制装置1的D端经电阻E324与零线端口32电连接，或者带电控制装置1的D端经电容B323与零线端口32电连接。The D end of the charged control device 1 is electrically connected to the live wire port 31 via a resistor D314, or the D end of the charged control device 1 is electrically connected to the live wire port 31 via a capacitor A313; the D end of the charged control device 1 is electrically connected to the neutral port 32 via a resistor E324 It is electrically connected, or the D terminal of the charging control device 1 is electrically connected to the neutral port 32 via the capacitor B323.
带电控制装置1的C端设有电阻F334与地线端口33电连接，或者带电控制装置1的C端设有电容D333与地线端口33电连接。A resistor F334 is provided at the end C of the charging control device 1 to be electrically connected to the ground port 33, or a capacitor D333 is provided at the end C of the charging control device 1 to be electrically connected to the ground port 33.
设有电容C115并接于带电控制装置1的D端与C端，所述电容C可以减少外部干扰信号串入带电控制装置的电路中，可以避免或者降低带电控制装置因外部干扰信号而误动作。A capacitor C115 is provided and connected to the D and C terminals of the charging control device 1. The capacitor C can reduce the intrusion of external interference signals into the circuit of the charging control device, and can avoid or reduce the malfunction of the charging control device due to external interference signals. .
带电控制装置1上设有警示部件12；断路控制电路2上设有电流互感器23。The charging control device 1 is provided with a warning component 12; the disconnection control circuit 2 is provided with a current transformer 23.
所述带电控装置1设为微电流控制，其微电流设为安全电流，不会对人体产生伤害，可以根据实际应用要求及安全规定而设定。在没有地线的情况下，使用家用电器时，可以对家用电器或者用电设备的外壳导电部件进行安全测试，测试其外壳导电部件是否与火线311、零线321接触，它不会引起断路开关断开，也就不会影响家用电器的正常使用，使得家用电器使用更加安全方便。同时也实现了在有地线的情况下连接本发明的家用电器的微电流漏电警示效果，避免了电器微电流漏电存在的安全隐患。The charged control device 1 is set as a micro current control, and its micro current is set as a safe current, which will not cause harm to the human body, and can be set according to actual application requirements and safety regulations. In the absence of a ground wire, when using household appliances, you can conduct safety tests on the conductive parts of the housing of the household appliances or electrical equipment, and test whether the conductive parts of the housing are in contact with the live wire 311 and the neutral wire 321. It will not cause a disconnect switch. Disconnect, it will not affect the normal use of household appliances, making the use of household appliances safer and more convenient. At the same time, it also realizes the micro-current leakage warning effect of the household appliance of the present invention when there is a ground wire, and avoids the potential safety hazard of the electric appliance's micro-current leakage.
为了本发明使用更加安全及实用，设有地线断路开关332，所述地线断路开关332与火线断路开关312、零线断路开关322设为联动，或者地线断路开关332与火线断路开关312、零线断路开关322分开控制。In order to use the present invention more safely and practically, a ground wire disconnect switch 332 is provided. The ground wire disconnect switch 332 is set in linkage with the live wire disconnect switch 312 and the neutral wire disconnect switch 322, or the ground wire disconnect switch 332 and the live wire disconnect switch 312 , The neutral line disconnect switch 322 is controlled separately.
为了能够确定带电控制装置1工作是否正常，设有测试开关A112、电阻F334；所述测试开关A112、电阻F334的一端与带电控制装置1的测试端电连接，测试开关A112的另一端与火线端口31电连接，或者测试开关A112的另一端经电阻A111与火线端口31电连接；电阻F334的另一端与地线端口33电连接。In order to be able to determine whether the charging control device 1 is working normally, a test switch A112 and a resistance F334 are provided; one end of the test switch A112 and the resistance F334 is electrically connected to the test terminal of the charging control device 1, and the other end of the test switch A112 is connected to the live port 31 is electrically connected, or the other end of the test switch A112 is electrically connected to the live port 31 through the resistor A111; the other end of the resistor F334 is electrically connected to the ground port 33.
设有测试开关B113，测试开关B113的一端与带电控制装置1的测试端电连接，测试开关B113的另一端与火线断路开关312的输出端电连接；或者测试开关B113的另一端经电阻C131与火线断路开关312的输出端电连接。A test switch B113 is provided. One end of the test switch B113 is electrically connected to the test terminal of the live control device 1, and the other end of the test switch B113 is electrically connected to the output terminal of the live wire disconnect switch 312; or the other end of the test switch B113 is connected to the output terminal of the live wire disconnect switch 312 through a resistor C131. The output terminal of the live wire disconnect switch 312 is electrically connected.
设有测试开关C122，测试开关C122的一端与带电控制装置1的测试端电连接， 测试开关C122的另一端与零线端口32电连接，或者测试开关C122的另一端经电阻B121与零线端口32电连接。所述测试开关A112、测试开关C122两端可以并接在一起。A test switch C122 is provided, one end of the test switch C122 is electrically connected to the test terminal of the charged control device 1, the other end of the test switch C122 is electrically connected to the neutral port 32, or the other end of the test switch C122 is connected to the neutral port via a resistor B121 32 electrical connections. The two ends of the test switch A112 and the test switch C122 can be connected in parallel.
所述还设有测试开关G51，所述测试开关G51与电阻G52串接于火线断路开关312与零线断路开关322的两端。当连通测试开关G51时，电流互感器23感测到电流，输送至断路控制电路2，控制断路控制部件21工作，使火线断路开关312、零线断路开关322断开。The test switch G51 is also provided, and the test switch G51 and the resistor G52 are connected in series on both ends of the live wire disconnect switch 312 and the neutral wire disconnect switch 322. When the test switch G51 is connected, the current transformer 23 senses the current and transmits it to the disconnection control circuit 2 to control the disconnection control component 21 to operate, so that the live line disconnection switch 312 and the neutral line disconnection switch 322 are turned off.
所述本发明实施例3、实施例4中的电阻的阻值、电容的容量，可以根据实际应用需求及安全规定要求灵活设定，本发明实施例电阻A111、电阻B121、电阻C131、电阻D314、电阻E324采用了470KΩ的电阻；电阻F334采用了1MΩ的电阻，所述电容A313、电容B323采用了820PF的电容；电容C115采用了470PF的电容。所述电阻A111、电阻B121、电阻C131、电阻D314、电阻E324起到了带电控制装置1隔离供电的作用；其电阻F334、电容D333与电阻D314、电阻E324、电容A313、电容B323形成了电路回路，同时还起到了地线端口33与零线端口32，地线端口33与火线端口31安全隔离的技术效果。The resistance value of the resistor and the capacity of the capacitor in the embodiment 3 and embodiment 4 of the present invention can be flexibly set according to actual application requirements and safety regulations. In the embodiment of the present invention, resistor A111, resistor B121, resistor C131, and resistor D314 The resistor E324 uses a 470KΩ resistor; the resistor F334 uses a 1MΩ resistor, the capacitor A313 and the capacitor B323 use a 820PF capacitor; the capacitor C115 uses a 470PF capacitor. The resistor A111, the resistor B121, the resistor C131, the resistor D314, and the resistor E324 play the role of isolated power supply for the charging control device 1; the resistor F334, the capacitor D333, the resistor D314, the resistor E324, the capacitor A313, and the capacitor B323 form a circuit loop. At the same time, the ground wire port 33 and the neutral wire port 32, and the ground wire port 33 and the live wire port 31 are safely isolated.
本发明实施例3、实施例4工作原理：本发明工作原理：地线端口33经电阻F334与整流部件101的C端电连接，整流部件101的D端经电阻D314、电阻E324分别与火线端口31、零线端口32电连接；整流部件101的A端与可控硅104的一端电连接，可控硅104的另一端与LED灯105的正极电连接，LED灯105的负极与整流部件101的B端电连接；所述整流部件101的A端与B端设有电容102；所述整流部件101的A端，还设有双向二极管103与可控硅104的控制极电连接；所述带电控制装置1的C端与D端，形成电路回路。所述测试端11为C端。在没有地线的用电设备中，所述地线端口33示为可以与人体触及的导电部件，例如家用电器或者用电设备的金属外壳。Working principle of embodiment 3 and embodiment 4 of the present invention: working principle of the present invention: the ground wire port 33 is electrically connected to the C terminal of the rectifying component 101 through a resistor F334, and the D terminal of the rectifying component 101 is connected to the live wire port through a resistor D314 and a resistor E324, respectively 31. The neutral port 32 is electrically connected; the A end of the rectifying component 101 is electrically connected to one end of the thyristor 104, the other end of the thyristor 104 is electrically connected to the positive electrode of the LED lamp 105, and the negative electrode of the LED lamp 105 is electrically connected to the rectifying component 101 The B terminal of the rectifying component 101 is electrically connected; the A terminal and the B terminal of the rectifying component 101 are provided with a capacitor 102; the A terminal of the rectifying component 101 is also provided with a bidirectional diode 103 that is electrically connected to the control electrode of the thyristor 104; The C terminal and D terminal of the charging control device 1 form a circuit loop. The test terminal 11 is the C terminal. In electrical equipment without a ground wire, the ground port 33 is shown as a conductive component that can be touched with the human body, such as a metal shell of a household appliance or electrical device.
所述双向二极管103可以设为一只或一只以上的串联，本发明实施例设为四只串联。所述电容102的容量可以根据实际应用而设定，本发明实施例充电部件设置为电容102，其容量设定为2-10nF。The bidirectional diode 103 can be set to one or more in series, and the embodiment of the present invention is set to four in series. The capacity of the capacitor 102 can be set according to actual applications. The charging component of the embodiment of the present invention is set as the capacitor 102, and the capacity is set to 2-10 nF.
本发明实施例5、实施例6：主控板2标识为断电控制电路2，断电控制电路21标识为断路控制部件21。如图5、图6、图8、图9、图10所示，所述带电控制电路1上设有测试端11、感测端133；所述测试端11与地线端口33电连接；所述感测端133经元件分别与火线端口31、零线端口32电连接；设有控制开关61，所述控制开关61串接于测试端11与地线端口33之间；所述带电控制电路1与断路控制电路2电连接或者电信号连接。所述控制开关61可以设为电子控制开关61，也可以设置为手动控制开关61。Embodiment 5 and Embodiment 6 of the present invention: the main control board 2 is identified as the power-off control circuit 2, and the power-off control circuit 21 is identified as the circuit-breaking control component 21. As shown in Figure 5, Figure 6, Figure 8, Figure 9, Figure 10, the charging control circuit 1 is provided with a test terminal 11 and a sensing terminal 133; the test terminal 11 is electrically connected to the ground port 33; The sensing terminal 133 is electrically connected to the live wire port 31 and the neutral wire port 32 through components; a control switch 61 is provided, and the control switch 61 is serially connected between the test terminal 11 and the ground wire port 33; the live control circuit 1 is electrically connected to the open circuit control circuit 2 or connected with an electrical signal. The control switch 61 can be set as an electronic control switch 61, or can be set as a manual control switch 61.
所述断路控制电路2上设有断路控制部件21、火线断路开关312、零线断路开关322、地线断路开关332；其断路控制电路2可以控制火线断路开关312、零线断路开关 322、地线断路开关332断开。The disconnection control circuit 2 is provided with a disconnection control component 21, a live disconnection switch 312, a neutral disconnection switch 322, and a ground disconnection switch 332; the disconnection control circuit 2 can control the live disconnection switch 312, the neutral disconnection switch 322, and the ground. The line disconnect switch 332 is turned off.
设有地线检测电路6，所述地线检测电路6检测地线的连通与断开；设有开关控制电路62，所述开关控制电路62与地线检测电路6电连接。所述开关控制电路62根据地线检测电路6输出的信号控制控制开关61的连通与断开。A ground detection circuit 6 is provided, and the ground detection circuit 6 detects the connection and disconnection of the ground; a switch control circuit 62 is provided, and the switch control circuit 62 is electrically connected to the ground detection circuit 6. The switch control circuit 62 controls the connection and disconnection of the control switch 61 according to the signal output by the ground detection circuit 6.
所述开关控制电路62接收到地线检测电路6输出控制信号时，开关控制电路62控制控制开关61连通；所述地线检测电路6没有输出控制信号时，开关控制电路62控制控制开关61断开。When the switch control circuit 62 receives the control signal output by the ground detection circuit 6, the switch control circuit 62 controls the control switch 61 to be connected; when the ground detection circuit 6 does not output a control signal, the switch control circuit 62 controls the control switch 61 to turn off open.
所述家用电器其控制方案也可以设置为：当开关控制电路62接收到地线检测电路6输出控制信号时，开关控制电路62控制控制开关61断开；当开关控制电路62没有接收到地线检测电路6输出的控制信号时，开关控制电路62控制控制开关61连通，使得地线检测电路6故障时，没有控制信号输出时，家用电器双重漏电保护，起到更好的保护效果。The control scheme of the home appliance can also be set as follows: when the switch control circuit 62 receives the ground wire detection circuit 6 output control signal, the switch control circuit 62 controls the control switch 61 to turn off; when the switch control circuit 62 does not receive the ground wire When the control signal output by the detection circuit 6 is detected, the switch control circuit 62 controls the control switch 61 to be connected, so that when the ground detection circuit 6 fails and no control signal is output, the household electrical appliances have double leakage protection, which has a better protection effect.
带电控制电路1的感测端133经电阻D314与火线端口31电连接，或者带电控制电路1的感测端133经电容A313与火线端口31电连接；带电控制电路1的感测端133经电阻E324与零线端口32电连接，或者带电控制电路1的感测端133经电容B323与零线端口32电连接。The sensing terminal 133 of the charged control circuit 1 is electrically connected to the live wire port 31 through a resistor D314, or the sensing terminal 133 of the charged control circuit 1 is electrically connected to the live wire port 31 through a capacitor A313; the sensing terminal 133 of the charged control circuit 1 is electrically connected through a resistor E324 is electrically connected to the neutral port 32, or the sensing terminal 133 of the charging control circuit 1 is electrically connected to the neutral port 32 via a capacitor B323.
带电控制电路1的测试端11设有电阻F334与地线端口33电连接，或者带电控制电路1的测试端11设有电容D333与地线端口33电连接。The test terminal 11 of the charging control circuit 1 is provided with a resistor F334 to be electrically connected to the ground port 33, or the test terminal 11 of the charging control circuit 1 is provided with a capacitor D333 to be electrically connected to the ground port 33.
设有电容C115并接于带电控制电路1的感测端133与测试端11。所述电容C可以起到降低外部干扰的技术效果。A capacitor C115 is provided and connected to the sensing terminal 133 and the testing terminal 11 of the charging control circuit 1. The capacitor C can have the technical effect of reducing external interference.
家用电器上设有警示部件12，所述警示部件12可以设置在带电控制电路1上，或者设置在其它电路上，本发明设置在带电控制电路1上。断路控制电路2上设有电流互感器23；其电流互感器23在零线321、火线311不平衡时，可以输出控制信号给断路控制电路2断开断路开关。A warning component 12 is provided on the household appliance, and the warning component 12 can be arranged on the charging control circuit 1 or on other circuits. The present invention is arranged on the charging control circuit 1. The disconnection control circuit 2 is provided with a current transformer 23; when the current transformer 23 is unbalanced between the neutral line 321 and the live line 311, it can output a control signal to the disconnection control circuit 2 to disconnect the disconnection switch.
设有测试开关A112，所述测试开关A112的一端与带电控制电路1的测试端11电连接，测试开关A112的另一端经元件分别与火线端口31、零线端口32电连接。其元件可以设为电阻，也可以设为电容，或者设为可以实现上述技术效果的其它部件，本发明实施例设为电阻。A test switch A112 is provided, one end of the test switch A112 is electrically connected to the test terminal 11 of the charged control circuit 1, and the other end of the test switch A112 is electrically connected to the live wire port 31 and the neutral wire port 32 through components. The component can be a resistor, a capacitor, or other components that can achieve the above-mentioned technical effects. The embodiment of the present invention is a resistor.
本发明通过元件对电路进行限流、降压，将电压、电流变为安全电压及电流。在没有地线的情况下，使用家用电器时，可以对家用电器或者用电设备的外壳导电部件进行安全测试，测试其外壳导电部件是否与火线311、零线321接触，它不会引起断路开关断开，也就不会影响电器的正常使用，使得电器使用更加安全方便。同时也实现了在有地线的情况下电器的微电流漏电警示效果，避免了电器微电流漏电存在的安全隐患。The present invention limits and reduces the voltage of the circuit through components, and changes the voltage and current into safe voltage and current. In the absence of a ground wire, when using household appliances, you can conduct safety tests on the conductive parts of the housing of the household appliances or electrical equipment, and test whether the conductive parts of the housing are in contact with the live wire 311 and the neutral wire 321. It will not cause a disconnect switch. Disconnect, it will not affect the normal use of the electrical appliance, making the use of the electrical appliance safer and more convenient. At the same time, it also realizes the electric appliance's micro-current leakage warning effect when there is a ground wire, and avoids the safety hazard of the electric appliance's micro-current leakage.
为了本发明使用更加安全及实用，设有地线断路开关332，所述地线断路开关332与火线断路开关312、零线断路开关322设为联动，或者地线断路开关332与火线断路开关312、零线断路开关322分开控制。In order to use the present invention more safely and practically, a ground wire disconnect switch 332 is provided. The ground wire disconnect switch 332 is set in linkage with the live wire disconnect switch 312 and the neutral wire disconnect switch 322, or the ground wire disconnect switch 332 and the live wire disconnect switch 312 , The neutral line disconnect switch 322 is controlled separately.
为了能够确定带电控制电路1工作是否正常，设有测试开关A112、电阻F334；所述测试开关A112、电阻F334的一端与带电控制电路1的测试端11电连接，测试开关A112的另一端与火线端口31电连接，或者测试开关A112的另一端分别经电阻A111与火线端口31电连接，经电阻B121与零线端口32电连接；电阻F334的另一端与地线端口33电连接。In order to be able to determine whether the charging control circuit 1 is working normally, a test switch A112 and a resistance F334 are provided; one end of the test switch A112 and the resistance F334 is electrically connected to the test terminal 11 of the charging control circuit 1, and the other end of the test switch A112 is connected to the live wire The port 31 is electrically connected, or the other end of the test switch A112 is electrically connected to the live port 31 via a resistor A111, and is electrically connected to the neutral port 32 via a resistor B121; the other end of the resistor F334 is electrically connected to the ground port 33.
设有测试开关B113，测试开关B113的一端与带电控制电路1的测试端11电连接，测试开关B113的另一端与火线断路开关312的输出端电连接；或者测试开关B113的另一端经电阻C131与火线断路开关312的输出端电连接。A test switch B113 is provided. One end of the test switch B113 is electrically connected to the test terminal 11 of the charged control circuit 1, and the other end of the test switch B113 is electrically connected to the output terminal of the live wire disconnect switch 312; or the other end of the test switch B113 is connected through a resistor C131 It is electrically connected to the output terminal of the live wire disconnect switch 312.
设有测试开关C122，测试开关C122的一端与带电控制电路1的测试端11电连接，测试开关C122的另一端与零线端口32电连接，或者测试开关C122的另一端经电阻B121与零线端口32电连接。所述测试开关A112、测试开关C122两端可以并接在一起。A test switch C122 is provided. One end of the test switch C122 is electrically connected to the test terminal 11 of the charged control circuit 1, and the other end of the test switch C122 is electrically connected to the neutral line port 32, or the other end of the test switch C122 is connected to the neutral line via a resistor B121 Port 32 is electrically connected. The two ends of the test switch A112 and the test switch C122 can be connected in parallel.
所述还设有测试开关G51，所述测试开关G51与电阻G52串接于火线断路开关312与零线断路开关322的两端。当连通测试开关G51时，电流互感器23感测到电流，输送至断路控制电路2，控制断路控制部件21工作，使火线断路开关312、零线断路开关322断开。The test switch G51 is also provided, and the test switch G51 and the resistor G52 are connected in series on both ends of the live wire disconnect switch 312 and the neutral wire disconnect switch 322. When the test switch G51 is connected, the current transformer 23 senses the current and transmits it to the disconnection control circuit 2 to control the disconnection control component 21 to operate, so that the live line disconnection switch 312 and the neutral line disconnection switch 322 are turned off.
所述本发明实施例5、实施例6中的电阻的阻值、电容的容量，可以根据实际应用在确保电路正常运作的情况下及安全规定要求而灵活设定，本发明实施例电阻A111、电阻B121、电阻C131，电阻D314、电阻E324、电阻F334采用了510KΩ的电阻；所述电容A313、电容B323采用了820PF的电容；电容C115采用了470PF的电容。所述电阻A111、电阻B121、电阻C131、电阻D314、电阻E324起到了带电控制电路1隔离供电的作用；其电阻F334、电容D333与电阻D314、电阻E324、电容A313、电容B323形成了电路回路，同时还起到了地线端口33与零线端口32，地线端口33与火线端口31安全隔离的技术效果。The resistance value of the resistor and the capacitance of the capacitor in the fifth and sixth embodiments of the present invention can be flexibly set according to the actual application to ensure the normal operation of the circuit and the requirements of safety regulations. The resistor B121, the resistor C131, the resistor D314, the resistor E324, and the resistor F334 use a 510KΩ resistor; the capacitor A313 and the capacitor B323 use a capacitor of 820PF; and the capacitor C115 uses a capacitor of 470PF. The resistor A111, the resistor B121, the resistor C131, the resistor D314, and the resistor E324 play the role of isolated power supply for the charging control circuit 1; the resistor F334, the capacitor D333, the resistor D314, the resistor E324, the capacitor A313, and the capacitor B323 form a circuit loop. At the same time, the ground wire port 33 and the neutral wire port 32, and the ground wire port 33 and the live wire port 31 are safely isolated.
本发明实施例5、实施例6工作原理：地线端口33经电阻F334与整流部件101的C端电连接，整流部件101的D端经电阻D314、电阻E324分别与火线端口31、零线端口32电连接；整流部件101的A端与可控硅104的一端电连接，可控硅104的另一端与LED灯105的正极电连接，LED灯105的负极与整流部件101的B端电连接；所述整流部件101的A端与B端设有电容102；所述整流部件101的A端，还设有双向二极管103与可控硅104的控制极电连接；所述带电控制电路1的C端与D端，形成电路回路。所述测试端11 为C端，感测端133为D端。在没有地线的用电设备中，所述地线端口33表示为可以与人体触及的导电部件，例如家用电器或者用电设备的金属外壳。所述输出控制信号可以设置于可控硅104的输出端。The working principle of embodiment 5 and embodiment 6 of the present invention: the ground wire port 33 is electrically connected to the C terminal of the rectifying component 101 through a resistor F334, and the D terminal of the rectifying component 101 is respectively connected to the live wire port 31 and the neutral wire port through a resistor D314 and a resistor E324. 32 is electrically connected; the A end of the rectifier component 101 is electrically connected to one end of the thyristor 104, the other end of the thyristor 104 is electrically connected to the positive electrode of the LED lamp 105, and the negative electrode of the LED lamp 105 is electrically connected to the B end of the rectifier component 101 The A terminal and B terminal of the rectifying component 101 are provided with capacitors 102; the A terminal of the rectifying component 101 is also provided with a bidirectional diode 103 that is electrically connected to the control electrode of the thyristor 104; C terminal and D terminal form a circuit loop. The test terminal 11 is the C terminal, and the sensing terminal 133 is the D terminal. In electrical equipment without a ground wire, the ground port 33 is represented as a conductive component that can be touched by the human body, such as a metal shell of a household appliance or electrical device. The output control signal can be set at the output terminal of the silicon controlled silicon 104.
所述双向二极管103可以设为一只或一只以上的串联，所述电容102的容量可以根据实际应用而设定，本发明实施例充电部件设置为电容102，其容量设定为100nF。本发明技术方案采用了以上电路实现电路控制，也可以采用其它电路实现上述技术方案的效果。所述本发明带电控制电路1也可以作为地线检测电路6应用。The bidirectional diode 103 can be set as one or more than one in series, and the capacity of the capacitor 102 can be set according to actual applications. The charging component in the embodiment of the present invention is set as the capacitor 102, and the capacity is set to 100 nF. The technical solution of the present invention adopts the above circuit to realize circuit control, and other circuits can also be used to realize the effect of the above technical solution. The charging control circuit 1 of the present invention can also be applied as a ground detection circuit 6.
所述带电控制电路1输出端，还可以采用光电耦合器进行隔离，使控制信号采样电路与控制电路电气隔离。所述电容102的容量的大小可以调整可控硅导通的频次及输出电流的大小。所述控制开关61设为自动控制时，地线检测电路6可以设置为间隔时间自动自检，进一步确保连接本发明输出端口4用电设备的用电安全。The output terminal of the charged control circuit 1 can also be isolated by a photocoupler, so that the control signal sampling circuit is electrically isolated from the control circuit. The size of the capacitance of the capacitor 102 can be adjusted to the frequency of conducting the thyristor and the size of the output current. When the control switch 61 is set to automatic control, the ground wire detection circuit 6 can be set to automatically self-check the interval time to further ensure the safety of electricity consumption of the electrical equipment connected to the output port 4 of the present invention.
本发明实施例1工作过程；如图1、图6所示：The working process of Embodiment 1 of the present invention; as shown in Figure 1 and Figure 6:
1、家用电器的电源端口3接通电源。1. Connect the power to the power port 3 of the household appliance.
2、当家庭电网不正常，地线端口33带电时，带电控制电路1控制警示部件12发出警示，提示用户家庭电网漏电，电源不可以使用。2. When the home power grid is abnormal and the ground wire port 33 is live, the charging control circuit 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
3、当家用电网正常，地线不带电时，当家用电器漏电时地线端口33带电，或者家用电器壳体金属部分5带电，带电控制电路1输出控制电压或信号给主控板2，主控板2控制断路控制电路21断开控制开关22，提示用户家用电器漏电，及时采取措施。3. When the household power grid is normal and the ground wire is not energized, the ground wire port 33 is energized when the household appliance leaks, or the metal part 5 of the household appliance housing is energized, and the live control circuit 1 outputs the control voltage or signal to the main control board 2. The control board 2 controls the disconnection control circuit 21 to turn off the control switch 22, prompting the user of the leakage of the household appliance and taking measures in time.
本发明实施例2工作过程；如图1、图7所示：The working process of Embodiment 2 of the present invention; as shown in Figure 1 and Figure 7:
1、家用电器的电源端口3接通电源。1. Connect the power to the power port 3 of the household appliance.
2、当家用电网不正常，地线端口33带电时，带电控制装置1控制警示部件12发出警示，提示用户家庭电网漏电，电源不可以使用。2. When the home power grid is abnormal and the ground wire port 33 is live, the charging control device 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
3、当家用电网正常，地线端口33不带电时，连通测试开关A112，警示部件12发出警示，表明带电控制电路1工作正常。3. When the home power grid is normal and the ground wire port 33 is not live, the test switch A112 is connected, and the warning component 12 issues a warning, indicating that the live control circuit 1 is working normally.
4、当家用电器正常工作时，连通测试开关B113或者测试开关A112，带电控制电路1输出控制电压或信号给主控板2，主控板2控制断路控制电路21断开电控开关22。4. When the household appliance is working normally, the test switch B113 or the test switch A112 is connected, the charged control circuit 1 outputs a control voltage or signal to the main control board 2, and the main control board 2 controls the circuit breaker control circuit 21 to turn off the electric control switch 22.
5、当家用电器漏电时地线端口33带电，或者壳体金属部分5及人体可触及的带电部件带电，控制电路1输出控制电压或信号给主控板2，主控板2控制断路控制电路21断开电控开关22，提示用户电器设备漏电，及时采取措施。5. When the home appliance leaks, the ground port 33 is charged, or the metal part of the housing 5 and the live parts that can be touched by the human body are charged, the control circuit 1 outputs the control voltage or signal to the main control board 2, and the main control board 2 controls the circuit breaker control circuit 21 Turn off the electric control switch 22 to remind the user that electrical equipment is leaking, and take measures in time.
本发明实施例3工作过程；如图3、图9所示：The working process of Embodiment 3 of the present invention; as shown in Figure 3 and Figure 9:
1、家用电器输入端接通电源。1. Connect the power to the input terminal of the household appliance.
2、当家用电网不正常，地线端口33接触到火线311，或者零线321带电时，带电 控制装置1控制警示部件12发出警示，提示用户家庭电网漏电，电源不可以使用。2. When the home power grid is abnormal and the ground wire port 33 touches the live wire 311 or the neutral wire 321 is live, the charging control device 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
3、当家用电网正常，地线端口33不带电时，连通测试开关A112，警示部件12发出警示，表明带电控制装置1工作正常。3. When the home power grid is normal and the ground wire port 33 is not live, the test switch A112 is connected, and the warning component 12 issues a warning, indicating that the live control device 1 is working normally.
4、接通断路开关，当电器设备正常工作时，连通测试开关B113或者测试开关A112，带电控制装置1输出控制电压或信号给断路控制电路2，断路控制电路2控制断路控制部21件断开断路开关。4. Turn on the circuit breaker. When the electrical equipment is working normally, connect the test switch B113 or the test switch A112, the charging control device 1 outputs the control voltage or signal to the circuit breaker control circuit 2, and the circuit breaker control circuit 2 controls the circuit breaker control part 21 to open Disconnect switch.
5、接通断路开关，当电器设备漏电时地线端口33带电，带电控制装置1输出控制电压或信号给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关，提示用户电器设备漏电，及时采取措施。5. Turn on the circuit breaker. When the electrical equipment leaks, the ground wire port 33 is electrified. The electrification control device 1 outputs a control voltage or signal to the circuit breaker control circuit 2. The circuit breaker control circuit 2 controls the circuit breaker control component 21 to turn off the circuit breaker, prompting the user of the electrical appliance If the equipment leaks electricity, take measures in time.
本发明实施例4工作过程；如图4、图9所示：The working process of Embodiment 4 of the present invention; as shown in Figure 4 and Figure 9:
1、家用电器输入端接通电源。1. Connect the power to the input terminal of the household appliance.
2、当家用电网不正常，地线端口33接触到火线311，或者零线321带电时，带电控制装置1控制警示部件12发出警示，提示用户家庭电网漏电，电源不可以使用。2. When the home power grid is abnormal and the ground wire port 33 touches the live wire 311 or the neutral wire 321 is live, the charging control device 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
3、当家用电网正常，地线端口33不带电时，连通测试开关A112，警示部件12发出警示，表明带电控制装置1工作正常。3. When the home power grid is normal and the ground wire port 33 is not live, the test switch A112 is connected, and the warning component 12 issues a warning, indicating that the live control device 1 is working normally.
4、接通断路开关，当电器设备正常时，连通测试开关B113或者测试开关A112，带电控制装置1输出控制电压或信号给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关。4. Turn on the disconnect switch, when the electrical equipment is normal, connect the test switch B113 or the test switch A112, the charging control device 1 outputs a control voltage or signal to the disconnect control circuit 2, and the disconnect control circuit 2 controls the disconnect control component 21 to disconnect the disconnect switch .
5、接通断路开关，当电器设备正常时，连通测试开关C51，电流互感器23输出控制电压给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关。5. Turn on the disconnect switch. When the electrical equipment is normal, connect the test switch C51, the current transformer 23 outputs the control voltage to the disconnect control circuit 2, and the disconnect control circuit 2 controls the disconnect control component 21 to turn off the disconnect switch.
6、接通断路开关，当电器设备漏电时地线端口33带电，带电控制装置1输出控制电压或信号给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关，提示用户电器设备漏电，及时采取措施。6. Turn on the circuit breaker. When the electrical equipment leaks, the ground wire port 33 is electrified, and the electrification control device 1 outputs a control voltage or signal to the circuit breaker control circuit 2. The circuit breaker control circuit 2 controls the circuit breaker control component 21 to turn off the circuit breaker, prompting the user of the electrical appliance If the equipment leaks electricity, take measures in time.
7、接通断路开关，当电器设备漏电时，零线321、火线311电流不平衡时，电流互感器23输出控制电压给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关，提示用户电器设备漏电，及时采取措施。7. Turn on the circuit breaker. When the electrical equipment leaks and the currents of the neutral line 321 and the live line 311 are unbalanced, the current transformer 23 outputs the control voltage to the circuit breaker control circuit 2, and the circuit breaker control circuit 2 controls the circuit breaker control component 21 to switch off the circuit breaker , Prompt the user of electrical equipment leakage and take measures in time.
本发明实施例5工作过程；如图5、图9所示：The working process of Embodiment 5 of the present invention; as shown in Figure 5 and Figure 9:
1、家用电器输入端接通电源。1. Connect the power to the input terminal of the household appliance.
2、当家用电网不正常，地线端口33接触到火线311，或者零线321带电时，带电控制电路1控制警示部件12发出警示，提示用户家庭电网漏电，电源不可以使用。2. When the home power grid is abnormal and the ground wire port 33 touches the live wire 311 or the neutral wire 321 is live, the charging control circuit 1 controls the warning component 12 to issue a warning to remind the user that the home power grid is leaking and the power supply cannot be used.
3、当家用电网正常，地线端口33不带电时，连通测试开关A112，警示部件12发出警示，表明带电控制电路1工作正常。3. When the home power grid is normal and the ground wire port 33 is not live, the test switch A112 is connected, and the warning component 12 issues a warning, indicating that the live control circuit 1 is working normally.
4、接通断路开关，当电器设备正常时，连通测试开关B113或者测试开关A112，带电控制电路1输出控制电压或信号给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关。4. Turn on the disconnect switch. When the electrical equipment is normal, connect the test switch B113 or the test switch A112, the charging control circuit 1 outputs the control voltage or signal to the disconnect control circuit 2, and the disconnect control circuit 2 controls the disconnect control component 21 to disconnect the disconnect switch .
5、接通断路开关，当电器设备正常时，连通测试开关C51，电流互感器23输出控制电压给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关。5. Turn on the disconnect switch. When the electrical equipment is normal, connect the test switch C51, the current transformer 23 outputs the control voltage to the disconnect control circuit 2, and the disconnect control circuit 2 controls the disconnect control component 21 to turn off the disconnect switch.
6、接通断路开关，当电器设备漏电时地线端口33带电，带电控制电路1输出控制电压或信号给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关，提示用户电器设备漏电，及时采取措施。6. Turn on the circuit breaker. When the electrical equipment leaks, the ground wire port 33 is electrified. The electrification control circuit 1 outputs a control voltage or signal to the circuit breaker control circuit 2, and the circuit breaker control circuit 2 controls the circuit breaker control component 21 to turn off the circuit breaker to remind the user of the electrical appliances. If the equipment leaks electricity, take measures in time.
7、接通断路开关，当电器设备漏电时，零线321、火线311电流不平衡时，电流互感器23输出控制电压给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关，提示用户电器设备漏电，及时采取措施。7. Turn on the circuit breaker. When the electrical equipment leaks and the currents of the neutral line 321 and the live line 311 are unbalanced, the current transformer 23 outputs the control voltage to the circuit breaker control circuit 2, and the circuit breaker control circuit 2 controls the circuit breaker control component 21 to switch off the circuit breaker , Prompt the user of electrical equipment leakage and take measures in time.
本发明实施例6工作过程；如图6、图9所示：The working process of Embodiment 6 of the present invention; as shown in Fig. 6 and Fig. 9:
1、家用电器输入端接通市电。1. The input terminal of the household appliance is connected to the mains.
2、家用电器进行自检，当检测到地线断路时，控制开关61连通；当检测到地线连通时，控制开关61断开。2. The household appliance performs self-check. When the ground wire is detected to be disconnected, the control switch 61 is connected; when the ground wire is detected to be connected, the control switch 61 is disconnected.
3、接通断路开关，当家用电网地线断路时，控制电路62控制控制开关61连通；当连接到家用电器上的用电设备的地线端口33碰触到火线，或者零线时，带电控制电路1输出控制电压或信号给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关。3. Turn on the disconnect switch. When the ground wire of the household power grid is disconnected, the control circuit 62 controls the control switch 61 to be connected; when the ground wire port 33 of the electrical equipment connected to the household appliance touches the live wire or the neutral wire, it is electrified The control circuit 1 outputs a control voltage or signal to the disconnection control circuit 2, and the disconnection control circuit 2 controls the disconnection control component 21 to turn off the disconnection switch.
4、接通断路开关，当家用电网地线连通时，控制电路62控制控制开关61断开；当连接到家用电器上的用电设备的地线端口33碰触到火线，或者零线时，电流互感器23输出控制信号给断路控制电路2，断路控制电路2控制断路控制部件21断开断路开关，提示用户电器设备漏电，及时采取措施。4. Turn on the disconnect switch. When the home power grid ground wire is connected, the control circuit 62 controls the control switch 61 to turn off; when the ground wire port 33 of the electrical equipment connected to the household appliance touches the live wire or the neutral wire, The current transformer 23 outputs a control signal to the circuit breaker control circuit 2, and the circuit breaker control circuit 2 controls the circuit breaker control component 21 to turn off the circuit breaker switch, prompting the user of electrical equipment leakage, and taking measures in time.
以上对本发明实施例一种家用电器作了进一步的介绍，本文中应用了具体部分实施例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的原理的核心思想；对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。The above gives a further introduction to a household appliance in the embodiment of the present invention. In this article, specific embodiments are applied to explain the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the core of the principle of the present invention. Ideas: For those of ordinary skill in the art, according to the ideas of the present invention, there will be changes in the specific implementation and scope of application. In summary, the content of this specification should not be construed as limiting the present invention.

Claims (10)

  1. 一种家用电器，包括壳体、主控板(2)、带电控制电路(1)；其特征在于：壳体内设有火线端口(31)、零线端口(32)、主控板(2)、带电控制电路(1)；所述带电控制电路(1)上设有测试端(11)、感测端(133)；所述带电控制电路(1)的测试端(11)与壳体金属部件(5)或者人体可触及的导电部件电连接；所述主控板(2)与电源端口(3)电连接，主控板(2)上设有断路控制电路(21)；所述断电控制电路(21)控制电控开关(22)的通断；所述带电控制电路(1)与主控板(2)电连接。A household appliance, comprising a housing, a main control board (2), and a live control circuit (1); it is characterized in that: a live wire port (31), a neutral wire port (32), and a main control board (2) are provided in the housing 1. Charge control circuit (1); The charge control circuit (1) is provided with a test terminal (11) and a sensing terminal (133); the test terminal (11) of the charge control circuit (1) and the metal shell The component (5) or the conductive component that can be touched by the human body is electrically connected; the main control board (2) is electrically connected to the power port (3), and the main control board (2) is provided with a disconnection control circuit (21); the disconnection The electric control circuit (21) controls the on and off of the electric control switch (22); the electrification control circuit (1) is electrically connected with the main control board (2).
  2. 根据权利要求1所述一种家用电器，其特征在于：电源端口(3)上设有地线端口(33)，所述地线端口(33)与壳体金属部分(5)电连接，或者地线端口(33)与人体可触及的导电部件电连接。The household appliance according to claim 1, characterized in that: the power port (3) is provided with a ground wire port (33), and the ground wire port (33) is electrically connected to the metal part (5) of the housing, or The ground wire port (33) is electrically connected with conductive parts that can be touched by the human body.
  3. 根据权利要求1所述一种家用电器，其特征在于：设有零线(321)与感测部件(13)靠近组合，并相互绝缘；或者设有零线(321)、火线(311)与感测部件(13)靠近组合，并相互绝缘。The household appliance according to claim 1, characterized in that: a neutral wire (321) and a sensing component (13) are provided in close combination and insulated from each other; or a neutral wire (321), a live wire (311) and The sensing parts (13) are close to the combination and insulated from each other.
  4. 根据权利要求1所述一种家用电器，其特征在于：带电控制电路(1)的感测端(133)经元件分别与火线端口(31)、零线端口(32)电连接；带电控制电路(1)的测试端(11)经元件与地线端口(33)电连接。The household appliance according to claim 1, characterized in that: the sensing end (133) of the charging control circuit (1) is electrically connected to the live port (31) and the neutral port (32) via components; the charging control circuit The test terminal (11) of (1) is electrically connected with the ground wire port (33) through the component.
  5. 根据权利要求1所述一种家用电器，其特征在于：带电控制电路(1)的感测端(133)经电阻D(314)与火线端口(31)电连接，或者带电控制电路(1)的感测端(133)经电容A(313)与火线端口(31)电连接；带电控制电路(1)的感测端(133)经电阻E(324)与零线端口(32)电连接，或者带电控制电路(1)的感测端(133)经电容B(323)与零线端口(32)电连接；带电控制电路(1)的测试端(11)设有电阻F(334)与地线端口(33)电连接，或者带电控制电路(1)的测试端(11)设有电容D(333)与地线端口(33)电连接。The household appliance according to claim 1, characterized in that: the sensing end (133) of the charging control circuit (1) is electrically connected to the live wire port (31) via a resistor D (314), or the charging control circuit (1) The sensing end (133) is electrically connected to the live port (31) via the capacitor A (313); the sensing end (133) of the charged control circuit (1) is electrically connected to the neutral port (32) via the resistor E (324) , Or the sensing end (133) of the live control circuit (1) is electrically connected to the neutral port (32) via the capacitor B (323); the test end (11) of the live control circuit (1) is provided with a resistance F (334) It is electrically connected to the ground wire port (33), or the test terminal (11) of the charging control circuit (1) is provided with a capacitor D (333) and is electrically connected to the ground wire port (33).
  6. 根据权利要求1所述一种家用电器，其特征在于：所述电控开关(22)上设有火线断路开关(312)、零线断路开关(322)，或者电控开关(22)设有火线断路开关(312)、零线断路开关(322)、地线断路开关(332)。The household appliance according to claim 1, characterized in that: the electric control switch (22) is provided with a live wire disconnect switch (312), a neutral wire disconnect switch (322), or the electric control switch (22) is provided with Live wire disconnect switch (312), neutral wire disconnect switch (322), ground wire disconnect switch (332).
  7. 根据权利要求1所述一种家用电器，其特征在于：设有电容C(115)并接于带电控制电路(1)的感测端(133)与测试端(11)；家用电器上设有警示部件(12)；断路控制电路(2)上设有电流互感器(23)。The household appliance according to claim 1, characterized in that: a capacitor C (115) is provided and connected to the sensing terminal (133) and the test terminal (11) of the charging control circuit (1); the household appliance is provided with A warning component (12); a current transformer (23) is arranged on the open circuit control circuit (2).
  8. 根据权利要求1所述一种家用电器，其特征在于：设有控制开关(61)，所述控制开关(61)串接于测试端(11)与地线端口(33)之间；设有地线检测电路(6)，所述地线检测电路(6) 检测地线的连通与断开；设有开关控制电路(62)，所述开关控制电路(62)与地线检测电路(6)电连接。The household appliance according to claim 1, characterized in that: a control switch (61) is provided, and the control switch (61) is connected in series between the test terminal (11) and the ground port (33); Ground detection circuit (6), the ground detection circuit (6) detects the connection and disconnection of the ground; there is a switch control circuit (62), the switch control circuit (62) and the ground detection circuit (6) ) Electrical connection.
  9. 根据权利要求1所述一种家用电器，其特征在于：所述地线检测电路(6)输出控制信号时，开关控制电路(62)控制控制开关(61)连通，地线检测电路(6)没有输出控制信号时，开关控制电路(62)控制控制开关(61)断开；或者所述地线检测电路(6)输出控制信号时，开关控制电路(62)控制控制开关(61)断开，地线检测电路(6)没有输出控制信号时，开关控制电路(62)控制控制开关(61)连通。The household appliance according to claim 1, characterized in that: when the ground wire detection circuit (6) outputs a control signal, the switch control circuit (62) controls the control switch (61) to be connected, and the ground wire detection circuit (6) When no control signal is output, the switch control circuit (62) controls the control switch (61) to turn off; or when the ground wire detection circuit (6) outputs a control signal, the switch control circuit (62) controls the control switch (61) to turn off When the ground detection circuit (6) does not output a control signal, the switch control circuit (62) controls the control switch (61) to be connected.
  10. 根据权利要求1所述一种家用电器，其特征在于：设有测试开关A(112)，所述测试开关A(112)的一端与带电控制电路(1)的测试端(11)电连接，测试开关A(112)的另一端与火线断路开关(312)电连接；或者设有测试开关A(112)，所述测试开关A(112)的一端与带电控制电路(1)的测试端(11)电连接，测试开关A(112)的另一端与火线断路开关(312)输入端电连接，设有测试开关B(113)，测试开关B(113)的一端与带电控制电路(1)的测试端(11)电连接，测试开关B(113)的另一端与火线断路开关(312)的输出端电连接；或者设有电阻A(111)，所述电阻A(111)的一端与火线端口(31)电连接，电阻A的另一端与带电控制电路(1)的测试端电连接，或者电阻A的另一端经测试开关A(112)与带电控制电路(1)的测试端电连接，设有电阻B(121)，所述电阻B(121)的一端与零线端口(32)电连接，电阻B的另一端与带电控制电路(1)的测试端电连接，或者电阻B的另一端经测试开关C与带电控制电路(1)的测试端电连接，设有电阻C(131)，所述电阻C(131)的一端与火线断路开关(312)输出端电连接，电阻C(131)的另一端与带电控制电路(1)的测试端电连接，或者电阻C(131)的另一端经测试开关B与带电控制电路(1)的测试端电连接。The household appliance according to claim 1, characterized in that: a test switch A (112) is provided, one end of the test switch A (112) is electrically connected to the test terminal (11) of the charged control circuit (1), The other end of the test switch A (112) is electrically connected to the live wire disconnect switch (312); or a test switch A (112) is provided, and one end of the test switch A (112) is connected to the test terminal ( 11) Electrical connection, the other end of the test switch A (112) is electrically connected to the input end of the live wire disconnect switch (312), a test switch B (113) is provided, and one end of the test switch B (113) is connected to the live control circuit (1) The test terminal (11) of the test switch B (113) is electrically connected, and the other end of the test switch B (113) is electrically connected to the output terminal of the live wire disconnect switch (312); or a resistor A (111) is provided, and one end of the resistor A (111) is connected to The live wire port (31) is electrically connected, and the other end of the resistor A is electrically connected to the test terminal of the charged control circuit (1), or the other end of the resistor A is electrically connected to the test terminal of the charged control circuit (1) through the test switch A (112). Connected with a resistor B (121), one end of the resistor B (121) is electrically connected to the neutral port (32), and the other end of the resistor B is electrically connected to the test terminal of the charged control circuit (1), or resistor B The other end is electrically connected to the test end of the live control circuit (1) via the test switch C, and is provided with a resistor C (131). One end of the resistor C (131) is electrically connected to the output end of the live wire disconnect switch (312). The other end of C (131) is electrically connected to the test end of the charging control circuit (1), or the other end of the resistor C (131) is electrically connected to the test end of the charging control circuit (1) via the test switch B.
PCT/CN2020/130713 2019-11-24 2020-11-22 Household appliance WO2021098870A1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN201911161350.5 2019-11-24
CN201911161350.5A CN110783887A (en) 2019-11-24 2019-11-24 Leakage protection switch
CN201911161358.1 2019-11-24
CN201911161358.1A CN110827510A (en) 2019-11-24 2019-11-24 Household appliance
CN202011057682 2020-09-29
CN202011057682.1 2020-09-29
CN202011198131.7 2020-10-30
CN202011198131 2020-10-30

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2662517Y (en) * 2003-08-21 2004-12-08 浙江康泉电器有限公司 Special purpose leakage protector with omnibearing protection function for electric water heater
CN101257202A (en) * 2007-12-21 2008-09-03 谢帮华 Electricity-leakage-proof protectors
CN103311885A (en) * 2012-03-06 2013-09-18 海尔集团公司 Electric leakage protection device
CN204068200U (en) * 2014-06-23 2014-12-31 长春师范大学 A electrical leakage protector
CN106849006A (en) * 2017-04-13 2017-06-13 广州心敢享节能科技有限公司 A kind of intelligence is with earth leakage protective electric water heater controller
US20170222424A1 (en) * 2014-08-07 2017-08-03 Panasonic Intellectual Property Management Co., Ltd. Electric leakage protection device and feed control device
CN108183462A (en) * 2017-12-14 2018-06-19 珠海格力电器股份有限公司 For the electric protective device and electrical equipment of electrical equipment
CN110783887A (en) * 2019-11-24 2020-02-11 邝继伍 Leakage protection switch
CN110827510A (en) * 2019-11-24 2020-02-21 邝继伍 Household appliance

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2662517Y (en) * 2003-08-21 2004-12-08 浙江康泉电器有限公司 Special purpose leakage protector with omnibearing protection function for electric water heater
CN101257202A (en) * 2007-12-21 2008-09-03 谢帮华 Electricity-leakage-proof protectors
CN103311885A (en) * 2012-03-06 2013-09-18 海尔集团公司 Electric leakage protection device
CN204068200U (en) * 2014-06-23 2014-12-31 长春师范大学 A electrical leakage protector
US20170222424A1 (en) * 2014-08-07 2017-08-03 Panasonic Intellectual Property Management Co., Ltd. Electric leakage protection device and feed control device
CN106849006A (en) * 2017-04-13 2017-06-13 广州心敢享节能科技有限公司 A kind of intelligence is with earth leakage protective electric water heater controller
CN108183462A (en) * 2017-12-14 2018-06-19 珠海格力电器股份有限公司 For the electric protective device and electrical equipment of electrical equipment
CN110783887A (en) * 2019-11-24 2020-02-11 邝继伍 Leakage protection switch
CN110827510A (en) * 2019-11-24 2020-02-21 邝继伍 Household appliance

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