CN216529681U - Standby wireless prompt socket for electrical appliance - Google Patents
Standby wireless prompt socket for electrical appliance Download PDFInfo
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- CN216529681U CN216529681U CN202122768368.0U CN202122768368U CN216529681U CN 216529681 U CN216529681 U CN 216529681U CN 202122768368 U CN202122768368 U CN 202122768368U CN 216529681 U CN216529681 U CN 216529681U
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Abstract
The utility model provides a wireless prompt socket for standby of an electric appliance, which comprises: the hand ring comprises a seat body and a hand ring, wherein a plugboard is arranged in the seat body, a zero line plug bush and a live line plug bush are arranged in the plugboard, the zero line plug bush is connected with a zero line in 220V mains supply, and the live line plug bush is connected with a live line in 220V mains supply; the low-voltage power supply module comprises an AC/DC converter and a 7805 voltage stabilizer, wherein alternating current input ends of the AC/DC converter are respectively connected with 220V mains supply; the negative pole of the output end of the AC/DC converter is connected to the ground wire, the positive pole of the output end of the AC/DC converter is connected with the input end of the 7805 voltage stabilizer, the ground end of the 7805 voltage stabilizer is connected to the ground wire, and the output end of the 7805 voltage stabilizer provides a +5V power supply; the electric appliance standby wireless prompt socket provided by the utility model identifies the state of the electric appliance through current detection and comparison, and carries out acousto-optic prompt on the electric appliance through wirelessly transmitting a signal to the bracelet when the electric appliance is in the standby state.
Description
Technical Field
The utility model belongs to the technical field of intelligent household appliances, and particularly relates to a standby wireless prompt socket for an electric appliance.
Background
The electric energy waste and the fire accidents caused by the various household appliances being in the standby state for a long time have reached the goal of striking the eyes. According to the statistics of international authorities, the standby energy consumption of household appliances accounts for 3 to 13 percent of the civil power consumption and approximately accounts for 2 percent of the total generated energy. The fire loss of 3 or more is caused by an electrical fire, most of which is caused by a long-time standby state of the home appliance. Therefore, when a user uses the common socket, a large amount of energy is wasted, the electric equipment can generate electromagnetic interference harmful to human bodies in a standby state, and the service life of the electric equipment is also shortened.
Some energy-saving sockets appearing in the market at present need to be controlled by buttons or remote controls to save energy, cannot identify the state of an electric appliance, and cannot realize acousto-optic prompt after a standby state.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wireless prompt socket for standby of an electric appliance, and aims to solve the problem that the remote wireless acousto-optic prompt is carried out after the electric appliance connected into the socket is converted into a standby state.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
the utility model provides a wireless standby prompt socket for an electric appliance, which comprises: the hand ring comprises a seat body and a hand ring, wherein a plug board is arranged in the seat body, a zero line plug bush and a live line plug bush are arranged in the plug board, the zero line plug bush is connected with a zero line in 220V mains supply, and the live line plug bush is connected with a live line in 220V mains supply; the low-voltage power supply module comprises an AC/DC converter and a 7805 voltage stabilizer, wherein alternating current input ends of the AC/DC converter are respectively connected with 220V mains supply; the negative pole of the output end of the AC/DC converter is connected with the ground wire, the positive pole of the output end of the AC/DC converter is connected with the input end of a 7805 voltage stabilizer, the grounding end of the 7805 voltage stabilizer is connected with the ground wire, and the output end of the 7805 voltage stabilizer provides a +5V power supply;
still be equipped with in the seat:
the current detection module is close to a live wire connected with the live wire plug bush and used for detecting the current of a live wire loop and outputting a voltage signal;
the input end of the first comparison module is connected with the output end of the current detection module, the first comparison module is provided with a first reference voltage when the electrical appliance normally works and is used for comparing the first reference voltage with a voltage signal output by the current detection module, and the first comparison module only outputs a high-level signal when the electrical appliance normally works;
the input end of the second comparison module is connected with the output end of the current detection module, the second comparison module is provided with a second reference voltage when the electric appliance is in standby and is used for comparing with the voltage signal output by the current detection module, and the second comparison module outputs a high-level signal when the electric appliance is in normal operation and in standby;
the logic operation module is connected with the output end of the first comparison module and the output end of the second comparison module respectively, and is used for outputting a high-level signal after operating the signals input by the first comparison module and the second comparison module when the electric appliance is in a standby state, and not outputting the signals when the electric appliance is in other states;
the input end of the wireless transmitting module is connected with the output end of the logic operation module and is used for wirelessly transmitting the signal of the logic operation module;
the bracelet includes:
the wireless receiving module and the acousto-optic prompting module are connected with the battery; the wireless receiving module receives the signal sent by the wireless transmitting module and drives the acousto-optic prompting module.
As a further improvement of the utility model, the current detection module is composed of a hall current sensor and a first amplifier, the hall current sensor is close to the live wire to detect the current, a power supply end of the hall current sensor is connected with a +5V power supply, a grounding end of the hall current sensor is connected with a ground wire, and an output end of the hall current sensor is connected with a same-phase end of the first amplifier; the inverting end of the first amplifier is connected with the output end, the power supply end of the first amplifier is connected with a +5V power supply, and the grounding end of the first amplifier is connected with a ground wire; when the electric appliance is in standby, the output voltage of the Hall current sensor is 3.0V, when the electric appliance works normally, the output voltage of the Hall current sensor is 4.5V, and when the electric appliance is in other states, the output voltage of the Hall current sensor is 2.5V.
As a further improvement of the present invention, the first comparing module is composed of a second amplifier, a first resistor and a second resistor, one end of the first resistor is connected to a +5V power supply, the other end of the first resistor is respectively connected to an inverting terminal of the second amplifier and one end of the second resistor, the other end of the second resistor is connected to a ground, a non-inverting terminal of the second amplifier is connected to an output terminal of the first amplifier, a positive power source terminal of the second amplifier is connected to the +5V power supply, a negative power source terminal of the second amplifier is connected to the ground, and a ratio of resistance values of the first resistor and the second resistor is 1: 9;
the second comparison module consists of a third amplifier, a third resistor and a fourth resistor, wherein one end of the third resistor is connected with a +5V power supply, the other end of the third resistor is respectively connected with an inverting terminal of the third amplifier and one end of the fourth resistor, the other end of the fourth resistor is connected with a ground wire, a non-inverting terminal of the third amplifier is connected with an output terminal of the first amplifier, a positive power supply terminal of the third amplifier is connected with the +5V power supply, and a negative power supply terminal of the third amplifier is connected with the ground wire; the resistance value ratio of the third resistor to the fourth resistor is 4.4: 5.6.
as a further improvement of the present invention, the logic operation module is composed of an xor gate, a first triode and a fifth resistor, two input ends of the xor gate are respectively connected with an output end of the second amplifier and an output end of the third amplifier, an output end of the xor gate is connected with a base electrode of the first triode, a collector electrode of the first triode is connected with a +5V power supply, an emitter electrode of the first triode is connected with one end of the fifth resistor, and the other end of the fifth resistor is connected with a +5V access ground wire.
As a further improvement of the present invention, the wireless transmitting module is composed of a wireless transmitting chip, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first crystal oscillator, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a first inductor, a second inductor and a transmitting antenna, and the model of the wireless transmitting chip is XC 4388; the No. 1 pin of the wireless transmitting chip is respectively connected with the anode of a first capacitor and one end of a first crystal oscillator, and the cathode of the first capacitor is connected with a ground wire; the No. 6 pin of the wireless transmitting chip is respectively connected with the other end of the first crystal oscillator and the anode of the second capacitor, and the cathode of the second capacitor is connected with a ground wire; the No. 5 pin of the wireless transmitting chip is respectively connected with the anode of a third capacitor and one end of an eighth resistor, the cathode of the third capacitor is connected with a ground wire, and the other end of the eighth resistor is connected with a +5V power supply; the No. 4 pin of the wireless transmitting chip is respectively connected with one end of a sixth resistor and one end of a seventh resistor, the other end of the seventh resistor is connected with a ground wire, and the other end of the sixth resistor is connected with an emitting electrode of a first triode; the No. 1 pin of the wireless transmitting chip is connected with a ground wire, the No. 3 pin of the wireless transmitting chip is respectively connected with one end of a first inductor and the anode of a fourth capacitor, the other end of the first inductor is connected with one end of a ninth resistor, the other end of the ninth resistor is connected with a +5V power supply, the cathode of the fourth capacitor is respectively connected with one end of a second inductor and the anode of a fifth capacitor, the cathode of the fifth capacitor is connected with the ground wire, the other end of the second inductor is respectively connected with a transmitting antenna and the anode of a sixth capacitor, and the cathode of the sixth capacitor is connected with the ground wire.
As a further improvement of the present invention, the wireless receiving module is composed of a wireless receiving chip, a receiving antenna, a second crystal oscillator, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, a third inductor, a fourth inductor, a tenth resistor, and a second triode, the model of the wireless receiving chip is XC4366, the 1 st pin of the wireless receiving chip is connected to the ground, the 2 nd pin of the wireless receiving chip is respectively connected to one end of the third inductor and the anode of the ninth capacitor, the other end of the third inductor is connected to the ground, the cathode of the ninth capacitor is respectively connected to the anode of the tenth capacitor, the receiving antenna, and one end of the fourth inductor, the cathode of the tenth capacitor is connected to the ground, and the other end of the fourth inductor is connected to the ground; the No. 4 pin of the wireless receiving chip is connected with the anode of an eighth capacitor, the cathode of the eighth capacitor is connected with a ground wire, the No. 6 pin of the wireless receiving chip is connected with the anode of a battery, the No. 7 pin of the wireless receiving chip is connected with the anode of a seventh capacitor, the cathode of the seventh capacitor is connected with the ground wire, the No. 8 pin of the wireless receiving chip is connected with one end of a second crystal oscillator, and the other end of the second crystal oscillator is connected with the ground wire; the base electrode of the second triode is connected with the No. 5 pin of the wireless receiving chip, the collector electrode of the second triode is connected with the positive electrode of the battery, the emitting electrode of the second triode is connected with one end of a tenth resistor, and the other end of the tenth resistor is connected with the ground wire; the acousto-optic prompt module comprises: the positive electrodes of the light-emitting diode and the buzzer are connected with the emitting electrode of the second triode, and the negative electrodes of the light-emitting diode and the buzzer are connected with the ground wire.
The utility model has the advantages that:
the electric appliance standby wireless prompt socket provided by the utility model identifies the state of the electric appliance through current detection and comparison, and carries out acousto-optic prompt on the electric appliance through wirelessly transmitting a signal to the bracelet when the electric appliance is in the standby state.
Drawings
Fig. 1 is a block diagram of a stand-by wireless prompting socket for an electrical appliance according to the present invention;
FIG. 2 is a circuit diagram of the base of the present invention;
fig. 3 is a circuit diagram of the bracelet according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The embodiment of the utility model provides a wireless prompting socket for standby of an electric appliance, which comprises the following components as shown in figures 1 and 2: the hand ring comprises a base body 100 and a hand ring 200, wherein a plug board 101 is arranged in the base body 100, a zero line plug bush 1011 and a live line plug bush 1012 are arranged in the plug board 101, the zero line plug bush 1011 is connected with a zero line in 220V of mains supply, and the live line plug bush 1012 is connected with a live line in 220V of mains supply; the low-voltage power supply module 102 that constitutes by AC/DC converter U1 and 7805 stabiliser U2, the alternating current input end of AC/DC converter U1 inserts commercial power 220V respectively, the negative pole of the output end of AC/DC converter U1 inserts ground wire GND, the positive pole of the output end of AC/DC converter U1 is connected with the input end of 7805 stabiliser U2, the ground connection of 7805 stabiliser U2 inserts the ground wire, the output end of 7805 stabiliser U2 provides +5V power, still be equipped with in the pedestal 100:
the current detection module 103 is close to the live wire connected with the live wire plug bush 1012, and is used for detecting the current of the live wire loop and outputting a voltage signal;
the input end of the first comparison module 104 is connected with the output end of the current detection module 103, the first comparison module 104 is provided with a first reference voltage when the electrical appliance normally works and is used for comparing with the voltage signal output by the current detection module 103, and the first comparison module 104 only outputs a high-level signal when the electrical appliance normally works;
the input end of the second comparison module 105 is connected with the output end of the current detection module 103, the second comparison module 105 is provided with a second reference voltage when the electric appliance is in standby and is used for comparing with the voltage signal output by the current detection module 103, and the second comparison module 105 outputs a high-level signal when the electric appliance is in normal operation and in standby;
the two input ends of the logic operation module 106 are respectively connected with the output end of the first comparison module 104 and the output end of the second comparison module 105, and are used for outputting a high-level signal after operating the signals input by the first comparison module 104 and the second comparison module 105 when the electric appliance is in a standby state, and not outputting the signals when the electric appliance is in other states;
the input end of the wireless transmitting module 107 is connected with the output end of the logic operation module 106, and is used for wirelessly transmitting the signal of the logic operation module 106;
In one embodiment, the current detection module 103 comprises a hall current sensor U3 and a first amplifier a1, the hall current sensor U3 is close to the live wire to detect current, a power supply end of the hall current sensor U3 is connected with a +5V power supply, a ground end of the hall current sensor U3 is connected to a ground GND, and an output end of the hall current sensor U3 is connected with a non-inverting end of the first amplifier a 1; the inverting end of the first amplifier A1 is connected with the output end, the power supply end of the first amplifier A1 is connected with the +5V power supply, and the grounding end of the first amplifier A1 is connected with the ground wire GND; the output voltage of the Hall current sensor U3 is 2.5V-4.5V, the output voltage of the Hall current sensor U3 is 2.5V when a socket loop is not connected or an electric appliance is stopped, the output voltage of the Hall current sensor U3 is 3.0V when the electric appliance is in standby, the output voltage of the Hall current sensor U3 is 4.5V when the electric appliance works normally, and the first amplifier A1 is configured into a voltage follower for buffer isolation and impedance conversion.
In one embodiment, the first comparing module 104 is composed of a second amplifier a2, a first resistor R1 and a second resistor R2, one end of the first resistor R1 is connected to a +5V power supply, the other end of the first resistor R1 is connected to an inverting terminal of the second amplifier a2 and one end of the second resistor R2, the other end of the second resistor R2 is connected to a ground GND, a non-inverting terminal of the second amplifier a2 is connected to an output terminal of the first amplifier a1, a positive power supply terminal of the second amplifier a2 is connected to the +5V power supply, and a negative power supply terminal of the second amplifier a2 is connected to the ground GND; the first reference voltage of the electrical appliance arranged at the inverting terminal of the second amplifier A2 during normal operation is slightly smaller than the output voltage 4.5V of the Hall current sensor U3 and is larger than the output voltage 3.0V of the Hall current sensor U3 during standby of the electrical appliance; for example, the reference voltage may be 4V, and a ratio R1 between the first resistor R1 and the second resistor R2 is correspondingly configured: r2 ═ 1: 9, the divided voltage of the second resistor R2 is 4V; when the electrical appliance is in a normal working state, the output end of the second amplifier A2 is +5V, and when the electrical appliance is in a shutdown state, a standby state or a socket loop is not connected, the output end of the second amplifier A2 is 0;
the second comparison module 105 is composed of a third amplifier A3, a third resistor R3 and a fourth resistor R4, one end of the third resistor R3 is connected with a +5V power supply, the other end of the third resistor R3 is respectively connected with the inverting terminal of the third amplifier A3 and one end of the fourth resistor R4, the other end of the fourth resistor R4 is connected to a ground GND, the inverting terminal of the third amplifier A3 is connected with the output terminal of the first amplifier a1, the positive power source terminal of the third amplifier A3 is connected with the +5V power supply, and the negative power source terminal of the third amplifier A3 is connected to the ground GND; the second reference voltage set by the inverting terminal of the third amplifier a3 when the electrical appliance is in standby is less than 3.0V of the output voltage of the hall current sensor U3 when the electrical appliance is in standby and is greater than 2.5V of the output voltage of the hall current sensor U3 when the socket loop is not connected or the electrical appliance is stopped; for example, the reference voltage may be 2.8V, and a ratio R3 between the third resistor R3 and the fourth resistor R4 is correspondingly configured: r4 ═ 4.4: 5.6, the partial voltage of the fourth resistor R4 is 2.8V; when the electrical appliance is in a normal working state, the output end of the third amplifier A3 is +5V, and when the electrical appliance is in a standby state, the output end of the third amplifier A3 is still + 5V; when the electrical appliance is in the off state or the socket loop is not turned on, the output of the third amplifier a3 is 0.
The logic operation module 106 is composed of an exclusive-or gate G1, a first triode Q1 and a fifth resistor R5, two input ends of the exclusive-or gate G1 are respectively connected with an output end of a second amplifier a2 and an output end of a third amplifier A3, an output end of the exclusive-or gate G1 is connected with a base electrode of the first triode Q1, a collector of the first triode Q1 is connected with a +5V power supply, an emitter of the first triode Q1 is connected with one end of the fifth resistor R5, and the other end of the fifth resistor R5 is connected with a +5V ground line GND; when the electrical appliance is not connected to the socket or is pulled out of the socket, the outputs of the second amplifier A2 and the third amplifier A3 are both 0, after the electrical appliance passes through the XOR gate G1, the base input of the first triode Q1 is 0, the first triode Q1 is cut off, and the emitter cannot be conducted; when the electrical appliance normally works, the outputs of the second amplifier A2 and the third amplifier A3 are both 5V, after passing through the XOR gate G1, the base input of the first triode Q1 is 0, and the emitter of the first triode Q1 cannot be conducted; when the electrical appliance is switched to the standby state, the output of the second amplifier A2 is 0, the output of the third amplifier A3 is +5V, after passing through the XOR gate G1, the base input of the first triode Q1 is +5V, and the emitter of the first triode Q1 is conducted.
The wireless transmitting module 107 is composed of a wireless transmitting chip U4, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a first crystal oscillator X1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a first inductor L1, a second inductor L2 and a transmitting antenna ANT1, and the type of the wireless transmitting chip is preferably XC 4388; the No. 1 pin of the wireless transmitting chip U4 is respectively connected with the anode of the first capacitor C1 and one end of the first crystal oscillator X1, and the cathode of the first capacitor C1 is connected to the ground GND; a No. 6 pin of the wireless transmitting chip U4 is respectively connected with the other end of the first crystal oscillator X1 and the anode of the second capacitor C2, and the cathode of the second capacitor C2 is connected with a ground wire; a No. 5 pin of the wireless transmitting chip U4 is respectively connected with the anode of a third capacitor C3 and one end of an eighth resistor R8, the cathode of the third capacitor C3 is connected with a ground wire GND, and the other end of the eighth resistor R8 is connected with a +5V power supply; a No. 4 pin of the wireless transmitting chip U4 is respectively connected with one end of a sixth resistor R6 and one end of a seventh resistor R7, the other end of the seventh resistor R7 is connected to a ground wire GND, and the other end of the sixth resistor R6 is connected with an emitting electrode of a first triode Q1; a pin 1 of the wireless transmitting chip U4 is connected to a ground GND, a pin 3 of the wireless transmitting chip U4 is connected to one end of a first inductor L1 and the anode of a fourth capacitor C4, the other end of the first inductor L1 is connected to one end of a ninth resistor R9, the other end of the ninth resistor R9 is connected to a +5V power supply, the cathode of the fourth capacitor C4 is connected to one end of a second inductor L2 and the anode of a fifth capacitor C5, the cathode of the fifth capacitor C5 is connected to the ground GND, the other end of the second inductor L2 is connected to the transmitting antenna ANT1 and the anode of the sixth capacitor C6, and the cathode of the sixth capacitor C6 is connected to the ground GND; when the electrical appliance is not connected to the socket or is pulled out of the socket, the first triode Q1 is cut off, the emitter cannot be conducted, the signal received by the pin 4 DIN of the wireless transmitting chip U4 through the sixth resistor R6 is 0, and the signal sent by the wireless transmitting chip U4 through the transmitting antenna ANT1 is also 0; when the electrical appliance normally works, the emitter of the first triode Q1 still cannot be conducted, the signal received by the pin 4 DIN of the wireless transmitting chip U4 through the sixth resistor R6 is 0, and the signal sent by the wireless transmitting chip U4 through the transmitting antenna ANT1 is also 0; when the electrical appliance is switched to the standby state, the emitter of the first triode Q1 is turned on, and the effective signal received by the pin 4 DIN of the wireless transmitting chip U4 is ensured to be 2.2V-3.6V through the voltage division of the sixth resistor R6 and the seventh resistor R7, and then the signal is transmitted through the transmitting antenna ANT 1.
As shown in fig. 3, the bracelet 200 includes: a wireless receiving module 201, an acousto-optic prompting module 202 and a battery 203; the wireless receiving module 201 comprises a wireless receiving chip U5, a receiving antenna ANT2, a second crystal oscillator X2, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, a third inductor L3, a fourth inductor L4, a tenth resistor R10 and a second triode Q2, wherein the model of the wireless receiving chip is preferably XC4366, the No. 1 pin of the wireless receiving chip U5 is connected to a ground GND, the No. 2 pin of the wireless receiving chip U5 is respectively connected to one end of the third inductor L3 and the positive electrode of the ninth capacitor C9, the other end of the third inductor L3 is connected to the ground GND, the negative electrode of the ninth capacitor C9 is respectively connected to the positive electrode of the tenth capacitor C10, the receiving antenna ANT2 and one end of the fourth inductor L4, the negative electrode of the tenth capacitor C10 is connected to the ground GND, and the other end of the fourth inductor L4 is connected to the ground GND; a pin No. 4 of the wireless receiving chip U5 is connected with the anode of an eighth capacitor C8, the cathode of the eighth capacitor C8 is connected with a ground wire GND, a pin No. 6 of the wireless receiving chip U5 is connected with the anode of a battery BAT, a pin No. 7 of the wireless receiving chip U5 is connected with the anode of a seventh capacitor C7, the cathode of the seventh capacitor C7 is connected with the ground wire GND, a pin No. 8 of the wireless receiving chip U5 is connected with one end of a second crystal oscillator X2, and the other end of the second crystal oscillator X2 is connected with the ground wire GND; the base electrode of the second triode Q2 is connected with the No. 5 pin of the wireless receiving chip U5, the collector electrode of the second triode Q2 is connected with the positive electrode of the battery BAT, the emitter electrode of the second triode Q2 is connected with one end of a tenth resistor R10, and the other end of the tenth resistor R10 is connected with the ground wire; the wireless receiving chip U5 receives the signal sent by the transmitting antenna ANT1 through the receiving antenna ANT2 and outputs a corresponding 2.2V-3.6V voltage signal through the No. 5 pin DO; the acousto-optic prompt module 202 includes: the anodes of the light-emitting diode LED and the buzzer BP are both connected with the emitter of the second triode Q2, and the cathodes of the light-emitting diode LED and the buzzer BP are both connected with a ground wire GND;
when the electric appliance is switched to a standby state, an emitter of a first triode Q1 is conducted, effective signals received by a No. 4 pin DIN of a wireless transmitting chip U4 are ensured to be 2.2V-3.6V through voltage division of a sixth resistor R6 and a seventh resistor R7, then the signals are sent out through a transmitting antenna ANT1, the wireless receiving chip U5 receives the signals sent by the transmitting antenna ANT1 through the receiving antenna ANT2 and outputs corresponding 2.2V-3.6V voltage signals through a No. 5 pin DO, a base of a second triode Q2 is conducted, the emitter of a second triode Q2 is close to a high level and used for driving a light-emitting diode LED and a buzzer BP, and acousto-optic prompt on a bracelet is achieved; when the transmitting antenna ANT1 does not transmit signals, the receiving antenna ANT2 does not receive signals, the DO output of the No. 5 pin of the wireless receiving chip U5 is 0, and the second triode Q2 is cut off.
The relationship between the working state of the electrical appliance and the output of the circuit device is shown in table 1:
table 1 output meter of circuit device under each working state of electric appliance
The components in this embodiment are commercially available products, the hall current sensor U3 may use a YS49E chip, the AC/DC converter U1 may use a synchronous rectification chip U7319, the 7805 voltage regulator U2 may use an LM7805 chip, the first to fourth amplifiers may use an LM324 chip, and the xor gate G1 may use a 74HC86 chip.
Reference in the specification to "some embodiments," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Additionally, the various elements of the drawings of the present application are merely schematic illustrations and are not drawn to scale.
Having thus described several aspects of at least one embodiment of this invention, it is to be appreciated various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to be within the spirit and scope of the utility model.
Claims (6)
1. An electric appliance standby wireless prompt socket comprises: the hand ring comprises a seat body and a hand ring, wherein a plug board is arranged in the seat body, a zero line plug bush and a live line plug bush are arranged in the plug board, the zero line plug bush is connected with a zero line in 220V mains supply, and the live line plug bush is connected with a live line in 220V mains supply; the low-voltage power supply module comprises an AC/DC converter and a 7805 voltage stabilizer, wherein alternating current input ends of the AC/DC converter are respectively connected with 220V mains supply; the negative pole of the output end of the AC/DC converter is connected with the ground wire, the positive pole of the output end of the AC/DC converter is connected with the input end of a 7805 voltage stabilizer, the grounding end of the 7805 voltage stabilizer is connected with the ground wire, and the output end of the 7805 voltage stabilizer provides a +5V power supply; the method is characterized in that:
still be equipped with in the seat:
the current detection module is close to a live wire connected with the live wire plug bush and used for detecting the current of a live wire loop and outputting a voltage signal;
the input end of the first comparison module is connected with the output end of the current detection module, the first comparison module is provided with a first reference voltage when the electrical appliance normally works and is used for comparing the first reference voltage with a voltage signal output by the current detection module, and the first comparison module only outputs a high-level signal when the electrical appliance normally works;
the input end of the second comparison module is connected with the output end of the current detection module, the second comparison module is provided with a second reference voltage when the electric appliance is in standby and is used for comparing with the voltage signal output by the current detection module, and the second comparison module outputs a high-level signal when the electric appliance is in normal operation and in standby;
the logic operation module is connected with the output end of the first comparison module and the output end of the second comparison module respectively, and is used for outputting a high-level signal after operating the signals input by the first comparison module and the second comparison module when the electric appliance is in a standby state, and not outputting the signals when the electric appliance is in other states;
the input end of the wireless transmitting module is connected with the output end of the logic operation module and is used for wirelessly transmitting the signal of the logic operation module;
the bracelet includes:
the wireless receiving module and the acousto-optic prompting module are connected with the battery; the wireless receiving module receives the signal sent by the wireless transmitting module and drives the acousto-optic prompting module.
2. The wireless prompting socket for standby of electrical appliances according to claim 1, characterized in that:
the current detection module consists of a Hall current sensor and a first amplifier, the Hall current sensor is close to the live wire to detect current, the power supply end of the Hall current sensor is connected with a +5V power supply, the grounding end of the Hall current sensor is connected with a ground wire, and the output end of the Hall current sensor is connected with the in-phase end of the first amplifier; the inverting end of the first amplifier is connected with the output end, the power supply end of the first amplifier is connected with a +5V power supply, and the grounding end of the first amplifier is connected with a ground wire; when the electric appliance is in standby, the output voltage of the Hall current sensor is 3.0V, when the electric appliance works normally, the output voltage of the Hall current sensor is 4.5V, and when the electric appliance is in other states, the output voltage of the Hall current sensor is 2.5V.
3. The wireless prompting socket for standby of electrical appliances according to claim 2, characterized in that:
the first comparison module is composed of a second amplifier, a first resistor and a second resistor, one end of the first resistor is connected with a +5V power supply, the other end of the first resistor is respectively connected with an inverting terminal of the second amplifier and one end of the second resistor, the other end of the second resistor is connected to a ground wire, the in-phase terminal of the second amplifier is connected with the output terminal of the first amplifier, the positive power source terminal of the second amplifier is connected with the +5V power supply, the negative power source terminal of the second amplifier is connected to the ground wire, and the resistance value ratio of the first resistor to the second resistor is 1: 9;
the second comparison module consists of a third amplifier, a third resistor and a fourth resistor, wherein one end of the third resistor is connected with a +5V power supply, the other end of the third resistor is respectively connected with an inverting terminal of the third amplifier and one end of the fourth resistor, the other end of the fourth resistor is connected with a ground wire, a non-inverting terminal of the third amplifier is connected with an output terminal of the first amplifier, a positive power supply terminal of the third amplifier is connected with the +5V power supply, and a negative power supply terminal of the third amplifier is connected with the ground wire; the resistance value ratio of the third resistor to the fourth resistor is 4.4: 5.6.
4. the wireless prompting socket for standby of electrical appliances according to claim 3, characterized in that:
the logic operation module comprises an exclusive-or gate, a first triode and a fifth resistor, wherein two input ends of the exclusive-or gate are respectively connected with the output end of the second amplifier and the output end of the third amplifier, the output end of the exclusive-or gate is connected with the base electrode of the first triode, the collector electrode of the first triode is connected with a +5V power supply, the emitting electrode of the first triode is connected with one end of the fifth resistor, and the other end of the fifth resistor is connected with a +5V access ground wire.
5. The wireless prompting socket for standby of electrical appliances according to claim 4, wherein:
the wireless transmitting module consists of a wireless transmitting chip, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first crystal oscillator, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a first inductor, a second inductor and a transmitting antenna, wherein the model of the wireless transmitting chip is XC 4388; the No. 1 pin of the wireless transmitting chip is respectively connected with the anode of a first capacitor and one end of a first crystal oscillator, and the cathode of the first capacitor is connected with a ground wire; the No. 6 pin of the wireless transmitting chip is respectively connected with the other end of the first crystal oscillator and the anode of the second capacitor, and the cathode of the second capacitor is connected with a ground wire; the No. 5 pin of the wireless transmitting chip is respectively connected with the anode of a third capacitor and one end of an eighth resistor, the cathode of the third capacitor is connected with a ground wire, and the other end of the eighth resistor is connected with a +5V power supply; the No. 4 pin of the wireless transmitting chip is respectively connected with one end of a sixth resistor and one end of a seventh resistor, the other end of the seventh resistor is connected with a ground wire, and the other end of the sixth resistor is connected with an emitting electrode of a first triode; no. 1 pin of wireless transmission chip inserts the ground wire, No. 3 pin of wireless transmission chip is connected with the one end of first inductance, the positive pole of fourth electric capacity respectively, the other end of first inductance is connected with the one end of ninth resistance, the other end of ninth resistance is connected +5V power, the negative pole of fourth electric capacity is connected with the one end of second inductance, the positive pole of fifth electric capacity respectively, the negative pole of fifth electric capacity inserts the ground wire, the other end of second inductance is connected with the positive pole of transmitting antenna and sixth electric capacity respectively, the negative pole of sixth electric capacity inserts the ground wire.
6. The wireless prompting socket for standby of electrical appliances according to claim 1, characterized in that: the wireless receiving module comprises a wireless receiving chip, a receiving antenna, a second crystal oscillator, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, a third inductor, a fourth inductor, a tenth resistor and a second triode, wherein the model of the wireless receiving chip is XC4366, a No. 1 pin of the wireless receiving chip is connected with a ground wire, a No. 2 pin of the wireless receiving chip is respectively connected with one end of the third inductor and the anode of the ninth capacitor, the other end of the third inductor is connected with the ground wire, the cathode of the ninth capacitor is respectively connected with the anode of the tenth capacitor, the receiving antenna and one end of the fourth inductor, the cathode of the tenth capacitor is connected with the ground wire, and the other end of the fourth inductor is connected with the ground wire; the No. 4 pin of the wireless receiving chip is connected with the anode of an eighth capacitor, the cathode of the eighth capacitor is connected with a ground wire, the No. 6 pin of the wireless receiving chip is connected with the anode of a battery, the No. 7 pin of the wireless receiving chip is connected with the anode of a seventh capacitor, the cathode of the seventh capacitor is connected with the ground wire, the No. 8 pin of the wireless receiving chip is connected with one end of a second crystal oscillator, and the other end of the second crystal oscillator is connected with the ground wire; the base electrode of the second triode is connected with the No. 5 pin of the wireless receiving chip, the collector electrode of the second triode is connected with the positive electrode of the battery, the emitting electrode of the second triode is connected with one end of a tenth resistor, and the other end of the tenth resistor is connected with the ground wire; the acousto-optic prompt module comprises: the positive electrodes of the light-emitting diode and the buzzer are connected with the emitting electrode of the second triode, and the negative electrodes of the light-emitting diode and the buzzer are connected with the ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122768368.0U CN216529681U (en) | 2021-11-12 | 2021-11-12 | Standby wireless prompt socket for electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122768368.0U CN216529681U (en) | 2021-11-12 | 2021-11-12 | Standby wireless prompt socket for electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216529681U true CN216529681U (en) | 2022-05-13 |
Family
ID=81529933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122768368.0U Expired - Fee Related CN216529681U (en) | 2021-11-12 | 2021-11-12 | Standby wireless prompt socket for electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216529681U (en) |
-
2021
- 2021-11-12 CN CN202122768368.0U patent/CN216529681U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20220513 |