CN109792217A - Intelligent control circuit, charger, earth leakage protective device and intelligent socket - Google Patents
Intelligent control circuit, charger, earth leakage protective device and intelligent socket Download PDFInfo
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- CN109792217A CN109792217A CN201780058970.9A CN201780058970A CN109792217A CN 109792217 A CN109792217 A CN 109792217A CN 201780058970 A CN201780058970 A CN 201780058970A CN 109792217 A CN109792217 A CN 109792217A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
A kind of intelligent control circuit, charger, earth leakage protective device and intelligent socket; wherein; intelligent control circuit includes that voltage detecting resets IC and disconnecting switch; voltage detecting resets the controlled end connection of the output end disconnecting switch of IC; voltage detecting resets IC; for when the output voltage for detecting intelligent electronic device is higher than predeterminated voltage, control disconnecting switch to be disconnected, so that intelligent electronic device stops working.This programme has the characteristics that high reliablity.
Description
Technical Field
The invention relates to the technical field of intelligent control, in particular to an intelligent control circuit, a charger, a leakage protector and an intelligent socket.
Background
With the progress of technology, intelligent electronic devices are increasingly widely used. Such as a socket, a leakage protector.
However, accidents caused by insufficient reliability of intelligent electronic devices have also increased year by year. For example, an electric shock accident due to the leakage of the socket, an electric shock accident due to the leakage of the charger, and the like. Therefore, it is highly desirable to enhance the reliability of intelligent electronic devices to avoid accidents like accidents.
Therefore, the invention provides an intelligent control circuit to improve the reliability of an intelligent electronic device comprising the intelligent control circuit.
Disclosure of Invention
The invention mainly aims to provide an intelligent control circuit, aiming at improving the reliability of an intelligent electronic device comprising the intelligent control circuit.
In order to achieve the purpose, the intelligent control circuit provided by the invention comprises a voltage detection reset IC and an isolating switch, wherein the output end of the voltage detection reset IC is connected with the controlled end of the isolating switch; wherein the content of the first and second substances,
and the voltage detection reset IC is used for controlling the disconnecting switch to be disconnected when the output voltage of the intelligent electronic device is detected to be higher than the preset voltage, so that the intelligent electronic device stops working.
Preferably, the isolating switch is one of an optocoupler, an optocoupler silicon controlled rectifier, an optocoupler relay and a relay switch.
Correspondingly, the invention also provides a charger, which comprises a power supply starting circuit, a main switch circuit, a power supply output circuit, an idle load/low load automatic disconnection circuit and the intelligent control circuit as claimed in claim 1; the power supply starting circuit is used for providing instant starting voltage for the main switching circuit at the moment of power-on of the power supply so as to enable the main switching circuit to be switched off after being switched on; the power supply output circuit is used for outputting voltage when the main switch circuit is conducted; the intelligent control circuit is used for outputting in an open circuit mode when the output voltage of the power output circuit is detected to be higher than a set value; and the no-load/low-load automatic disconnection circuit is used for disconnecting the output when the intelligent control circuit is in open-circuit output so as to enable the main switch circuit not to work and cut off the output of the power output circuit.
Preferably, the power output circuit is a switching power supply circuit or a power frequency transformer power supply.
Correspondingly, the invention also provides a leakage protector which comprises the intelligent control circuit.
Correspondingly, the invention also provides an intelligent socket which comprises a power switch, a power supply, a plug monitoring sensor, an electric leakage protection circuit, a short-circuit protection circuit and the intelligent control circuit; one end of the power switch is connected with the live wire input end, the other end of the power switch is connected with the socket live wire hole, and the zero line input end is connected with the socket zero line hole; the direct current power supply output of the power switch is respectively connected with the input power supplies of the leakage protection circuit, the short-circuit protection circuit, the intelligent control circuit and the plug monitoring sensor circuit; the signal output of the leakage protection circuit, the short-circuit protection circuit and the plug monitoring sensor is connected with the positive phase or negative phase input end of the intelligent control circuit, and the output end of the intelligent control circuit is connected with the control end of the power switch of the single-live-wire switch unit.
Preferably, one end of the power switch is respectively connected with the live wire input end and one end of the electromagnetic relay switch, the other end of the relay switch is connected with the live wire hole of the socket, the other end of the power switch is connected with one end of the relay coil, the other end of the relay coil is connected with the zero line input end and one end of the zero line switch, and the other end of the zero line switch is connected with the zero line hole of the socket; the output end of the power switch direct-current power supply is respectively connected with the power input ends of the leakage protection circuit, the short-circuit protection circuit, the intelligent control circuit and the plug monitoring sensor circuit; the leakage protection circuit, the short-circuit protection circuit and the plug monitoring sensor are connected with a positive phase or negative phase input end of the intelligent control circuit, and an output control end of the intelligent control circuit is connected with a control end of a power switch of the single live wire power-taking switch unit.
Preferably, the power switch may be one of a triac, an electromagnetic relay switch and a permanent magnet relay switch.
Preferably, one end of the power supply input is connected with one end of the alternating current live wire input, one end of the live wire power switch and the input end of the live wire leakage reset detection circuit, and the other end of the live wire power switch is connected with the output end of the live wire leakage reset detection circuit and a socket hole; the other end of the power supply input is connected with the alternating current zero line input end, the zero line leakage reset detection circuit input end and the other end of the zero line power switch, and the other end of the zero line power switch is connected with the zero line leakage reset detection circuit output end and the other socket hole; the direct current output end of the power supply is respectively connected with the power supply input ends of the intelligent control circuit, the plug monitoring sensor, the leakage protection circuit and the short-circuit protection circuit; the output end of the leakage reset detection circuit is connected with the positive phase or negative phase input end of the intelligent control circuit respectively, and the output end of the intelligent control circuit controls the relay coil or the optocoupler switch of the bidirectional thyristor, so that the on and off of the power switch are controlled.
Preferably, the power switch may be one of a triac, an electromagnetic relay switch, and a permanent magnet relay switch.
Preferably, the intelligent control circuit can be selected as a human body infrared induction module.
Preferably, the human body infrared sensor is arranged between the socket holes and is connected with the human body infrared sensing module; the human body infrared induction module outputs control optocoupler switches; the optical coupling switch controls a main switch, namely a bidirectional thyristor or a relay switch or a permanent magnet relay switch,
preferably, a photoelectric sensor or a pyroelectric human body infrared sensor is arranged between the socket holes on the socket panel; the plug monitoring sensor is used for detecting whether a plug is inserted into the socket port, and when the plug is inserted into the socket port, the plug monitoring sensor detects a signal and transmits the signal to the voltage detection IC to control the connection of the power supply main switch and supply power to a load; when the plug is not inserted into the socket port, the plug monitoring sensor does not detect a signal, the power supply main switch is not conducted, and no voltage is output from the socket hole.
Preferably, the photoelectric sensor is provided with three parallel small holes (hole X, hole Y, hole Z) between the socket holes, the hole Y is a middle hole, another hole (Y1) is opened at the hole Y, the included angle between Y1 and the socket plane is equal or close, the hole Y and the hole Y1 form a plane, the same outlet hole is arranged above the hole Y and the hole Y1, Y1 is an emission hole and is provided with a light emitting element, the hole X, the hole Y and the hole Z are receiving holes and are provided with light receiving elements of the same type, wherein the light receiving elements are a photoresistor or an ultraviolet receiving diode, a photodiode or a phototriode, the light emitting element is a led light emitting diode, an ultraviolet light emitting diode or an infrared light emitting diode, and the like, wherein the 4 small holes can be used for optical fiber transmission, after a power plug is inserted, the three small holes are covered by the plug, the light received by the hole (Y) receiving element is changed into low resistance, the two holes of the hole X and the hole Z are not cut off and conducted when receiving no ambient light and no reflected light; the light emitting diode of the photoelectric sensor is connected with a power supply, three receiving elements are connected with an intelligent control circuit or an operational amplifier or a voltage detection IC (with Cmos output and N leakage output) input end, the intelligent control circuit or the voltage detection IC controls a small relay or an optical coupling switch (comprising an optical coupling photosensitive resistor or an optical coupling relay or an optical coupling silicon controlled rectifier), and the small electromagnetic relay or the optical coupling switch controls a power switch between a live wire and zero line input and output.
Preferably, the power taking circuit comprises a power switch circuit, a trigger circuit, a starting circuit, a power taking circuit, a panel indicator light circuit and a touch sensing circuit; the power switch circuit is used for controlling the on-off of the load; the trigger circuit is used for controlling the on-off of the power switch; the starting circuit is used for providing a power supply for rapidly charging the power taking circuit when the power is firstly powered on; the circuit comprises static electricity taking and on-state electricity taking, wherein electricity taking charges a power supply through a trigger circuit starting circuit to provide the power supply for the touch IC; the touch sensing circuit is used for controlling the on-off of the on-state circuit to control the on-off of the power switch; the indicator light circuit is used for distinguishing on or off of a power supply when the touch is made.
Preferably, the alternating current live wire input end M1 is connected with one end of a power switch bidirectional thyristor (T2) and one end of a trigger circuit (R26), the other end of the power switch bidirectional thyristor (T2) is connected with one end of a load and one end of a resistor (R27), and the other end of the load is connected with an alternating current zero line input end; one end of the bridge rectifier alternating current input is connected with the other end of the resistor (R26), and the other end of the bridge rectifier alternating current input is connected with one end of a bidirectional trigger diode (D12) (two voltage stabilizing diodes are connected in series in opposite directions) and the other end of the resistor (R27); the other end of the bidirectional trigger diode is connected with a control electrode of a bidirectional thyristor (T2), the output anode of a bridge stack is connected with one end of a PNP upper-level tube emitter of an on-state power-taking switch (Q8), a static power-taking resistor (R28), a starting circuit (a resistor R1-1 is connected with a capacitor C1-1 in series) resistor (R1-1), the anode of a light-emitting diode (LED1) is connected with the cathode of a voltage-stabilizing tube (ZD1-1), the cathode of a starting capacitor (C1-1) at the other end of the static power-taking resistor (R28), the collector of the power-taking switch triode (Q8) is connected with the anode of the light-emitting diode (LED1), the anode of a voltage-stabilizing diode (1-1), the cathode of the voltage-stabilizing tube (ZD1-2), the anode of a filter capacitor (C1-2) and the anode of a low-voltage-difference voltage-stabilizing chip (IC1-1), and the cathode of the voltage-, The LED constant-voltage circuit comprises a voltage-stabilizing diode (ZD1-2) anode, a bridge stack cathode, a field-effect tube source electrode, one end of a capacitor (C1-3), one end of a resistor (R29), one end of a delay capacitor (C1-4), one end of a resistor (R1-2) and the 2 nd pin cathode of a touch chip (IC1-2), an output end of a low-dropout voltage stabilizing chip (IC1-1) is connected with the 5 th pin and the 6 th pin of a power supply anode of the touch chip (IC1-2), the other end of the capacitor (C1-3), a cathode of a voltage-stabilizing diode (ZD 13) is connected with a base of a triode (Q8), an anode of the triode (Q9) is connected with a drain of the field-effect tube (Q9), the 1 st pin of an output end of the touch chip (IC1-2) is connected with an anode of a diode (D1-1) and an anode of a light-emitting diode (LED2), a light-emitting diode (LED2), a cathode of the light-emitting diode (D, The other end of the resistor (R29) is connected with the grid of the field effect transistor (Q9), and the 3 rd pin of the touch chip (IC1-2) is a touch sensing signal input end.
According to the technical scheme, when the voltage detection reset IC is adopted to detect that the output voltage of the intelligent electronic device is higher than the preset voltage, the isolating switch is controlled to be switched off, so that the intelligent electronic device stops working. In this way, the reliability of the intelligent electronic device including the intelligent control circuit can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 to 15 are schematic circuit diagrams of the charger according to the present invention;
fig. 16 to 31 are schematic circuit diagrams of the smart socket of the present invention;
fig. 33 to 38 are schematic circuit structures of the standby zero-power-consumption low-load auto-power-off circuit according to the present invention;
fig. 39 to 42 are schematic circuit diagrams of the single-double control delay power-off switch circuit according to the present invention;
fig. 43 to 44 are schematic circuit structures of the capacitive touch dual-control switch circuit according to the present invention;
fig. 45 to 47 are schematic circuit structures of the touch remote switch circuit according to the present invention;
FIG. 48 is a schematic diagram of a circuit configuration of a remote switch circuit according to the present invention;
FIGS. 49-53 are schematic circuit diagrams of the low-load automatic delay power-off circuit of the switch of the present invention;
fig. 54 to 55 are schematic circuit structures of the permanent magnet type leakage protection full-automatic reset circuit according to the present invention;
fig. 56 is a schematic circuit diagram of a permanent magnet leakage protection smart jack according to the present invention;
fig. 57 to fig. 59 are schematic circuit structures of the full-automatic leakage protector of the present invention;
fig. 60 to 63 are schematic circuit structures of the human body infrared induction safety intelligent switch socket of the invention;
FIGS. 64 to 66 are schematic circuit diagrams of the voltage detection circuit of the photo sensor according to the present invention;
FIG. 71 is a schematic circuit diagram of a short-circuit protection circuit according to the present invention;
FIG. 72 is a schematic diagram of a circuit configuration of a plurality of sets of remote touch-sensitive switch circuits according to the present invention;
FIG. 73 is a schematic diagram of a circuit configuration of a capacitive touch sensitive switch circuit according to the present invention;
fig. 60 to 78 are schematic circuit diagrams of the safety intelligent switch socket of the present invention;
FIG. 79 is a schematic circuit diagram of a power supply startup circuit of the charger according to an embodiment of the present invention;
FIG. 80 is a schematic diagram of the circuit configuration of the internal start-up circuit of the switching power supply in the charger of the present invention;
FIG. 81 is a schematic circuit diagram of another embodiment of a power supply startup circuit in a charger according to the present invention;
FIG. 82 is a schematic circuit diagram of a power supply startup circuit of the charger according to another embodiment of the present invention;
FIG. 83 is a schematic circuit diagram of a power output circuit of a charger according to an embodiment of the present invention;
FIG. 84 is a schematic circuit diagram of an embodiment of an intelligent control circuit in a charger according to the present invention;
FIG. 85 is a schematic circuit diagram of a charging protocol chip according to an embodiment of the present invention;
FIG. 86 is a schematic circuit diagram of a secondary feedback control circuit according to a first embodiment of the present invention;
FIG. 87 is a schematic circuit diagram of a secondary feedback control circuit of a charger according to a second embodiment of the present invention;
FIG. 88 is a schematic circuit diagram of a secondary feedback control circuit according to a third embodiment of the charger of the present invention;
FIG. 89 is a schematic circuit diagram of a secondary feedback control circuit of a charger according to a fourth embodiment of the present invention;
FIG. 90 is a schematic circuit diagram of another embodiment of the intelligent control circuit in the charger of the present invention;
fig. 91 is a schematic circuit diagram of an embodiment of an intelligent socket and a leakage protector according to the present invention;
fig. 92 is a schematic circuit diagram of a normally-closed output of the human body infrared inductive switch according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the descriptions relating to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an intelligent control circuit.
Referring to fig. 1 to 78, in an embodiment, the intelligent control circuit includes a voltage detection reset IC and an isolation switch, wherein an output terminal of the voltage detection reset IC is connected to a controlled terminal of the isolation switch; wherein the content of the first and second substances,
and the voltage detection reset IC is used for controlling the disconnecting switch to be disconnected when the output voltage of the intelligent electronic device is detected to be higher than the preset voltage, so that the intelligent electronic device stops working.
Here, the disconnecting switch may be one of an opto-coupler, an opto-thyristor, an opto-relay, and a relay switch.
According to the technical scheme, when the voltage detection reset IC detects that the output voltage of the intelligent electronic device is higher than the preset voltage, the isolating switch is controlled to be switched off, so that the intelligent electronic device stops working. In this way, the reliability of the intelligent electronic device including the intelligent control circuit can be improved.
The invention also provides a charger, which comprises a power supply starting circuit, a main switch circuit, a power supply output circuit, a no-load/low-load automatic disconnection circuit and the intelligent control circuit; the power supply starting circuit is used for providing instant starting voltage for the main switching circuit at the moment of power-on of the power supply so as to enable the main switching circuit to be switched off after being switched on; the power supply output circuit is used for outputting voltage when the main switch circuit is conducted; the intelligent control circuit is used for outputting in an open circuit mode when the output voltage of the power output circuit is detected to be higher than a set value; and the no-load/low-load automatic disconnection circuit is used for disconnecting the output when the intelligent control circuit is in open-circuit output so as to enable the main switch circuit not to work and cut off the output of the power output circuit.
The power output circuit is a switching power supply circuit or a power frequency transformer power supply.
The invention also provides a leakage protector which comprises the intelligent control circuit. Since the circuit structure of the intelligent control circuit is the same as that of the intelligent control circuit, the intelligent control circuit at least has all the beneficial effects of the intelligent control circuit, and the detailed description is omitted.
The invention also provides an intelligent socket which comprises a power switch, a power supply, a plug monitoring sensor, an electric leakage protection circuit, a short-circuit protection circuit and the intelligent control circuit; one end of the power switch is connected with the live wire input end, the other end of the power switch is connected with the socket live wire hole, and the zero line input end is connected with the socket zero line hole; the direct current power supply output of the power switch is respectively connected with the input power supplies of the leakage protection circuit, the short-circuit protection circuit, the intelligent control circuit and the plug monitoring sensor circuit; the signal output of the leakage protection circuit, the short-circuit protection circuit and the plug monitoring sensor is connected with the positive phase or negative phase input end of the intelligent control circuit, and the output end of the intelligent control circuit is connected with the control end of the power switch of the single-live-wire switch unit.
Optionally, one end of the power switch is connected with the live wire input end and one end of the electromagnetic relay switch respectively, the other end of the relay switch is connected with the live wire hole of the socket, the other end of the power switch is connected with one end of the relay coil, the other end of the relay coil is connected with the zero line input end and one end of the zero line switch, and the other end of the zero line switch is connected with the zero line hole of the socket; the output end of the power switch direct-current power supply is respectively connected with the power input ends of the leakage protection circuit, the short-circuit protection circuit, the intelligent control circuit and the plug monitoring sensor circuit; the leakage protection circuit, the short-circuit protection circuit and the plug monitoring sensor are connected with a positive phase or negative phase input end of the intelligent control circuit, and an output control end of the intelligent control circuit is connected with a control end of a power switch of the single live wire power-taking switch unit.
Optionally, the power switch may be one of a triac, an electromagnetic relay switch, and a permanent magnet relay switch.
Optionally, one end of the power supply input is connected with one end of the alternating current live wire input, one end of the live wire power switch and the input end of the live wire leakage reset detection circuit, and the other end of the live wire power switch is connected with the output end of the live wire leakage reset detection circuit and a socket hole; the other end of the power supply input is connected with the alternating current zero line input end, the zero line leakage reset detection circuit input end and the other end of the zero line power switch, and the other end of the zero line power switch is connected with the zero line leakage reset detection circuit output end and the other socket hole; the direct current output end of the power supply is respectively connected with the power supply input ends of the intelligent control circuit, the plug monitoring sensor, the leakage protection circuit and the short-circuit protection circuit; the output end of the leakage reset detection circuit is connected with the positive phase or negative phase input end of the intelligent control circuit respectively, and the output end of the intelligent control circuit controls the relay coil or the optocoupler switch of the bidirectional thyristor, so that the on and off of the power switch are controlled.
Optionally, the power switch may be one of a triac, an electromagnetic relay switch, and a permanent magnet relay switch.
Optionally, the intelligent control circuit may be a human body infrared sensing module.
Optionally, the human body infrared sensor is arranged between the socket holes, and the human body infrared sensor is connected with the human body infrared sensing module; the human body infrared induction module outputs control optocoupler switches; the optical coupling switch controls a main switch, namely a bidirectional thyristor or a relay switch or a permanent magnet relay switch,
optionally, a photoelectric sensor or a pyroelectric human body infrared sensor is arranged between the socket holes on the socket panel; the plug monitoring sensor is used for detecting whether a plug is inserted into the socket port, and when the plug is inserted into the socket port, the plug monitoring sensor detects a signal and transmits the signal to the voltage detection IC to control the connection of the power supply main switch and supply power to a load; when the plug is not inserted into the socket port, the plug monitoring sensor does not detect a signal, the power supply main switch is not conducted, and no voltage is output from the socket hole.
Optionally, the photoelectric sensor is provided with three parallel small holes (hole X, hole Y, hole Z) between the socket holes, the hole Y is a middle hole, another hole (Y1) is opened at the hole Y, the included angle between Y1 and the socket plane is equal or close, the hole Y and the hole Y1 form a plane, the same outlet hole is formed above the hole Y and the hole Y1, Y1 is an emission hole and is provided with a light emitting element, the hole X, the hole Y, and the hole Z are receiving holes and are provided with light receiving elements of the same type, wherein the light receiving elements are a photoresistor or an ultraviolet receiving diode, a photodiode or a phototriode, the light emitting element is a led light emitting diode, an ultraviolet light emitting diode or an infrared light emitting diode, and the like, wherein the 4 small holes can be used for optical fiber transmission, after a power plug is inserted, the three small holes are covered by the plug, the reflected light received by the hole (Y) receiving element is changed, the two holes of the hole X and the hole Z are not cut off and conducted when receiving no ambient light and no reflected light; the light emitting diode of the photoelectric sensor is connected with a power supply, three receiving elements are connected with an intelligent control circuit or an operational amplifier or a voltage detection IC (with Cmos output and N leakage output) input end, the intelligent control circuit or the voltage detection IC controls a small relay or an optical coupling switch (comprising an optical coupling photosensitive resistor or an optical coupling relay or an optical coupling silicon controlled rectifier), and the small electromagnetic relay or the optical coupling switch controls a power switch between a live wire and zero line input and output.
Optionally, the power-taking circuit comprises a power switch circuit, a trigger circuit, a starting circuit, a power-taking circuit, a panel indicator light circuit and a touch sensing circuit; the power switch circuit is used for controlling the on-off of the load; the trigger circuit is used for controlling the on-off of the power switch; the starting circuit is used for providing a power supply for rapidly charging the power taking circuit when the power is firstly powered on; the circuit comprises static electricity taking and on-state electricity taking, wherein electricity taking charges a power supply through a trigger circuit starting circuit to provide the power supply for the touch IC; the touch sensing circuit is used for controlling the on-off of the on-state circuit to control the on-off of the power switch; the indicator light circuit is used for distinguishing on or off of a power supply when the touch is made.
Optionally, the alternating current live wire input end M1 is connected to one end of a power switch bidirectional thyristor (T2) and one end of a trigger circuit (R26), the other end of the power switch bidirectional thyristor (T2) is connected to one end of a load and one end of a resistor (R27), and the other end of the load is connected to an alternating current zero line input end; one end of the bridge rectifier alternating current input is connected with the other end of the resistor (R26), and the other end of the bridge rectifier alternating current input is connected with one end of a bidirectional trigger diode (D12) (two voltage stabilizing diodes are connected in series in opposite directions) and the other end of the resistor (R27); the other end of the bidirectional trigger diode is connected with a control electrode of a bidirectional thyristor (T2), the output anode of a bridge stack is connected with one end of a PNP upper-level tube emitter of an on-state power-taking switch (Q8), a static power-taking resistor (R28), a starting circuit (a resistor R1-1 is connected with a capacitor C1-1 in series) resistor (R1-1), the anode of a light-emitting diode (LED1) is connected with the cathode of a voltage-stabilizing tube (ZD1-1), the cathode of a starting capacitor (C1-1) at the other end of the static power-taking resistor (R28), the collector of the power-taking switch triode (Q8) is connected with the anode of the light-emitting diode (LED1), the anode of a voltage-stabilizing diode (1-1), the cathode of the voltage-stabilizing tube (ZD1-2), the anode of a filter capacitor (C1-2) and the anode of a low-voltage-difference voltage-stabilizing chip (IC1-1), and the cathode of the voltage-, The LED constant-voltage circuit comprises a voltage-stabilizing diode (ZD1-2) anode, a bridge stack cathode, a field-effect tube source electrode, one end of a capacitor (C1-3), one end of a resistor (R29), one end of a delay capacitor (C1-4), one end of a resistor (R1-2) and the 2 nd pin cathode of a touch chip (IC1-2), an output end of a low-dropout voltage stabilizing chip (IC1-1) is connected with the 5 th pin and the 6 th pin of a power supply anode of the touch chip (IC1-2), the other end of the capacitor (C1-3), a cathode of a voltage-stabilizing diode (ZD 13) is connected with a base of a triode (Q8), an anode of the triode (Q9) is connected with a drain of the field-effect tube (Q9), the 1 st pin of an output end of the touch chip (IC1-2) is connected with an anode of a diode (D1-1) and an anode of a light-emitting diode (LED2), a light-emitting diode (LED2), a cathode of the light-emitting diode (D, The other end of the resistor (R29) is connected with the grid of the field effect transistor (Q9), and the 3 rd pin of the touch chip (IC1-2) is a touch sensing signal input end.
The power supply supplies power to the voltage comparator or the voltage detection IC, the short-circuit protection circuit, the plug monitoring sensor and the optical coupling switch, when the plug is not plugged, the positive phase voltage of the voltage comparator is larger than the negative phase voltage, the output end of the comparator is open, the main power switch does not work, and the socket does not output voltage; when a plug is plugged, the photoelectric receiving elements at the head and the tail of the plug do not receive ambient light and reflected light, the photoelectric receiving elements are opened, the light emitted from the middle hole is reflected to the receiving hole by the plug, the receiving elements are changed into low resistance, the reverse phase voltage is greater than the normal phase voltage, the output end of the comparator is changed into low frequency, the optical coupler switch is switched on, the bidirectional thyristor or the relay switch is switched on, and the socket hole has voltage output to supply power for a load; when the plug is unplugged, light emitted from the socket is not reflected to the receiving hole, and when no light exists, the positive phase voltage arranged on the voltage comparator is larger than the reverse phase voltage, the power switch does not work, and the socket is ensured to have no electricity output (no matter whether a receiving element is connected to the positive phase or the reverse phase or the positive phase and the reverse phase, the voltage comparator has only two output states, when the positive phase (reverse phase) level is larger than the reverse phase (positive phase) level, the output end of the comparator is open-circuited (short-circuited), the control of the switch can be realized); the opening magnetic ring is used for detecting the current of a power line passing through the magnetic ring, a Hall element is arranged at the opening of the magnetic ring, and the Hall element is connected with a field effect tube and has the functions of short circuit, power off, time delay and connection; when overcurrent or short circuit occurs, the inverting terminal of the voltage comparator is changed into low level, the voltage of the wire is greater than the inverting voltage, the comparator is output in a leakage mode, and the load main switch is switched off; when electric leakage occurs, the zero sequence current transformer triggers the silicon controlled rectifier to conduct and work, the reverse phase voltage is pulled down, the load main switch is cut off, the electric leakage detection reset circuit optocoupler switches at two ends of the main switch conduct and pull down the reverse phase voltage, the single-phase silicon controlled rectifier conducting current is smaller than the holding current and is disconnected, when the electric shock body is not removed, the reverse phase is always at low power frequency, the main switch cannot reset, when the electric shock body is removed, the photoelectric detection switch of the electric leakage detection reset circuit stops working, the level of the reverse phase input end is larger than the level of the positive phase input end, and the main switch resets and conducts.
When a human body approaches the socket, the human body infrared sensor outputs a high level to control a P or N channel field effect tube, and the field effect tube controls an optical coupling switch or a relay switch so as to control the on-off of the power switch;
taking fig. 77 as an example, when a human body is detected to approach, the output of the human body sensing module pin 3 is high and flat, the PMOS is turned off, the NMOS is turned off, the main switch is turned off, and no power is output from the socket hole; when a human body leaves or is plugged in the plug, the induction head is covered by the plug, the induction head does not detect a human body signal, the induction module outputs a low level, the PMOS tube is conducted to work, the grid electrode of the other NMOS tube is electrified to work, so that the optical coupling switch is controlled to be conducted, the bidirectional thyristor of the main switch of the power supply is conducted to supply power to a load, when a short circuit occurs, the Hall element detects an overcurrent signal, the G endpoint is changed into a low level, the NMOS tube is disconnected, the optical coupling switch is powered off, so that the bidirectional thyristor of the main switch is controlled to be disconnected, the bidirectional thyristor is automatically reset after a time delay, only the overcurrent or short circuit is eliminated, the circuit can recover the power supply, when electric leakage occurs, the G point voltage is pulled down by the unidirectional thyristor, the main switch is powered off and disconnected, the optical coupling switch of the electric leakage detection reset circuit is conducted, the G point voltage, the silicon controlled main switch automatically resets to supply power to the load.
Taking fig. 75 as an example for explanation, an ac power supply is turned on, and a power supply supplies power to the short-circuit protection circuit, the human body infrared sensing module, and the leakage automatic reset detection circuit, when a human body approaches the socket, the output of the human body sensing module 3 pin is high and flat, the opto-coupler switch or the relay switch works to control to switch off the main power switch, the normally-off point of the relay is switched off, and no power is output from the socket hole; when a human body leaves or is plugged in the plug, the induction head is covered by the plug, the induction head does not detect a human body signal, the induction module outputs a low level, so that the optocoupler switch is controlled to be switched on, and the normally closed contact of the relay is switched on to supply power to the load; the working principle of the leakage protection automatic reset and overcurrent short-circuit protection circuit is the same as that described above.
Taking fig. 60 as an example, when the ac power is connected and the socket has no load, the circuit has no loop and stands by zero power consumption; when a plug is plugged with a load, the circuit instantly supplies power to the power supply to supply power to the human body induction module and the short-circuit protection circuit, the 3 rd pin of the induction module outputs a low level, the field effect transistor PMOS works and is conducted, the point E is a high level, and the single live wire switch is conducted to supply power to the load; when the plug is unplugged, the capacitor has residual electricity, the sensing module senses an infrared signal of a human body, the 3 rd pin of the sensing module outputs a high level, the E point is a low level, and the live wire switch is disconnected (although the capacitor has residual electricity, the capacitor is quickly exhausted, and the live wire switch is still disconnected); when overcurrent or short circuit occurs, the E point or the G point becomes low level, the live wire switch is disconnected, the delay time is about 30 seconds, the automatic reset power supply is carried out, when the short circuit fault is not eliminated, the live wire switch is still disconnected, and when the short circuit fault is eliminated, the live wire switch recovers the power supply; when leakage occurs, the one-way silicon controlled rectifier is conducted to work, the point E or the point G is changed into low level, the reset normally-closed switch is connected between the point E or the point G and the anode of the one-way silicon controlled rectifier in series, and the reset switch is pressed to be effective only when the leakage fault is eliminated.
Taking fig. 78 as an example, when the ac power is supplied and the socket is not loaded, the circuit has no loop and stands by with zero power consumption; when a plug is plugged with a load, the circuit instantly supplies power to the power supply to supply power to the plug detection photoelectric sensor, the voltage detection chip and the short-circuit protection circuit, the hole X and the hole Z are covered by the plug, the light receiving element does not receive light and is opened, the hole Y light receiving element receives reflected light emitted by the hole Y1 and becomes low-resistance conduction, the voltage of the input end of the chip is greater than the nominal voltage of the chip, high level is output, and the single-live-wire switch is conducted to supply power to the load. The plug pulling circuit has no loop, the residual electricity on the capacitor is quickly exhausted, the voltage of the input end of the voltage detection chip is lower than the nominal voltage output low level of the chip, the point E is the low level, and the single live wire switch is disconnected;
the leakage protection and overcurrent short-circuit protection circuit operates on the same principle as described above with reference to fig. 60.
Taking fig. 62 as an example, when an ac power source is connected, the single-live-wire main switch circuit supplies power to the human body induction module, the short-circuit protection circuit, and the voltage detection chip from the power A, B output terminal; when the plug is not inserted, the voltage at the input end of the chip is lower than the nominal voltage of the chip, the chip outputs low level, the alternating current relay does not work, when the plug is inserted, the hole Y light receiving element receives reflected light emitted by the hole Y1 and becomes low-resistance conduction, the hole X and the hole Z are covered by the plug, no ambient light or reflected light is received, the light receiving element becomes high-resistance, the voltage at the input end of the chip is higher than the nominal voltage of the chip, the high level is output to an E point, the single-live-wire switch is conducted, and the relay is closed;
the working principle of the leakage protection and overcurrent short-circuit protection circuit is the same as that described above.
Taking fig. 63 as an example, when an ac power source is connected, the single-live-wire main switch circuit supplies power to the human body induction module, the short-circuit protection circuit, and the leakage protection reset circuit from the power A, B output terminal; when a human body approaches the socket, the human body sensing module detects a human body signal, the sensing module outputs a high level, the single-live-wire switch is conducted to work, the normally-closed point of the alternating-current relay is disconnected, and the socket hole is not output electricity; when the plug is plugged, the induction head is covered by the plug, no human body signal is detected by the induction head, the 3 rd pin of the induction module outputs a low level, the single-live-wire switch is disconnected, the coil of the alternating current relay is powered off, and the normally closed contact of the alternating current relay is closed to supply power to the load.
The leakage protection and overcurrent short-circuit protection circuit operates in the same manner as described above with reference to fig. 74,75 and 77.
The leakage protection circuits in the above embodiments are all provided with leakage test switches.
Connecting an alternating current power supply, enabling a capacitor of the starting circuit to be short-circuited instantly, charging the power supply through the trigger circuit, enabling the power supply to have enough electric quantity immediately, and enabling the static indicator lamp to be turned on; when a person touches the panel, the 1 st pin of the touch chip outputs voltage to supply power to the grid of an NMOS (Q9) of the field effect transistor, the field effect transistor is conducted in a short circuit mode, a circuit forms a loop, the triode (Q8) is conducted to work, the bidirectional thyristor is triggered to conduct to work, the static indicator lamp is turned off, the working indicator lamp is turned on, and the electric lamp is turned on at the same time; the voltage regulator tube (ZD 13) acts to trigger current to charge the power supply, and the low-dropout voltage regulator chip supplies power to the touch IC; when the panel is touched again, the working indicator lamp is turned off, the field effect tube grid has a capacitor to play a delay role, the lamp is turned off after a period of time delay, and the static indicator lamp is turned on.
(when the lamp-off delay circuit is not used, the output end of the on-state electricity-taking switch of the circuit is connected with the output end of the starting capacitor and the output end of the static electricity-taking resistor, the LED indicator lamp, the resistor, the diode and the capacitor which are connected with the third pin of the touch sensing chip are deleted, the third pin of the sensing chip is connected with the grid of the field effect tube, at the moment, the same LED indicator lamp is used for two indicating functions, the static indicating is slightly bright, and the on-state indicating of the switch is brighter)
The working principle of the charger provided by the invention is as follows:
in one embodiment, the charger includes a power supply start circuit, a main switching circuit, a power supply output circuit, an idle/low load automatic disconnect circuit, and an intelligent control circuit as described above.
The power supply starting circuit is used for providing instant starting voltage for the main switching circuit at the moment of power supply power-on so as to enable the main switching circuit to be switched off after being switched on; the power supply output circuit is used for outputting voltage when the main switch circuit is conducted; the intelligent control circuit is used for outputting in an open circuit mode when detecting that the output voltage of the power supply output circuit is higher than a set value; the no-load/low-load automatic disconnection circuit is used for disconnecting the output when the intelligent control circuit is in open-circuit output, so that the main switch circuit does not work, and the output of the power supply output circuit is cut off.
Specifically, when the power supply is powered on, the power supply starting circuit provides instant starting voltage for the switching circuit, the switching circuit is switched off after being switched on, the secondary side of the power supply of the switching power supply or the power frequency transformer outputs voltage through rectification and filtering, when a load is connected, the secondary side voltage detection circuit detects that the voltage value is lower than a set value, the voltage detection output end is in an open circuit state, the output end of the feedback circuit is switched off, the switching circuit does not work, the power supply circuit is switched off to ensure the standby zero power consumption of the power supply, the positive electrode and the negative electrode of the primary side rectification output can be respectively connected with a large resistance value resistor to be connected with the positive electrode and the negative electrode of the secondary side, a.
The working principle of the leakage protector provided by the invention is as follows:
when electric leakage occurs, the zero sequence current mutual inductor induces alternating voltage, when the alternating voltage is larger than or smaller than a set value of the double-limit comparator, the comparator outputs low level, the comparator outputs a control switch to be switched off, and the main switch circuit is switched off. Meanwhile, a fault indication light-emitting diode and an optical coupler light-emitting diode which are connected in parallel with the two ends of the main switch emit light, the output end of the voltage comparator is locked by the optical coupler, and the low level is kept; when the electric contactor is disconnected, the fault indication light-emitting diode and the optocoupler light-emitting diode do not emit light, the self-locking switch is released, the main switch is switched on, the power supply is automatically recovered, and the purpose of intelligently controlling the leakage protector is achieved. The same principle can form two-phase, three-phase and three-phase four-wire leakage protectors which can be used for solid relays.
The working principle of the intelligent socket provided by the invention is as follows:
three parallel holes are arranged between the socket holes, two holes are oppositely arranged, and the other hole is arranged between the two oppositely arranged holes. A hole is formed below the middle hole, the two holes form a plane, are not vertical to the plane, form the same outlet hole with the middle hole and have the same included angle with the plane; the three parallel holes are arranged in the same photosensitive element, photosensitive resistor or photosensitive diode or infrared light-emitting diode, the head hole and the tail hole are connected with the light-emitting diode in parallel, and the other hole is arranged in the LED light-emitting diode or infrared light-emitting diode.
And when the power supply is switched on, the touch sensing chip outputs high level. When the plug is not inserted into the socket hole, at any time, the level of the input end of the voltage detection reset chip (or the voltage comparator) is set to be larger than the threshold value of the voltage detection chip, the output end of the voltage detection reset chip is opened, the socket is not electrically output, when the plug is inserted, the two photosensitive elements are covered by the plug, the resistance value is changed into an open circuit state, the light emitting diode in the middle hole just reflects light to the photosensitive elements, the input voltage of the potential detection reset chip is lower than the threshold value of the voltage detection chip, the output end is at a low level, and the control circuit enables the main switch. The circuit is also provided with a remote control and touch switch socket, when the receiving head receives correct codes in remote control, the singlechip outputs high level or low level (when no infrared remote control signal exists, the output end is open-drain output), the touch signal is triggered, and the high level or the low level is output in a touch manner to switch the socket.
When overcurrent or output short circuit occurs, the Hall switch penetrating through the open magnetic ring of the input power line works, and the short circuit protection circuit immediately works to cut off the output circuit. The conduction is automatically recovered after about 30 seconds of delay, and the device is always in a protection state when the fault is not removed. The power supply is instantly switched on and off for a period of time until the fault is removed, and the normal power supply state is automatically recovered.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (16)
- An intelligent control circuit is characterized by comprising a voltage detection reset IC and an isolating switch, wherein the output end of the voltage detection reset IC is connected with the controlled end of the isolating switch; wherein the content of the first and second substances,and the voltage detection reset IC is used for controlling the disconnecting switch to be disconnected when the output voltage of the intelligent electronic device is detected to be higher than the preset voltage, so that the intelligent electronic device stops working.
- The intelligent control circuit of claim 1, wherein the isolation switch is one of an optocoupler, an optocoupler thyristor, an optocoupler relay, and a relay switch.
- A charger, comprising a power supply start-up circuit, a main switching circuit, a power supply output circuit, an idle/low load automatic disconnect circuit, and the intelligent control circuit of claim 1;the power supply starting circuit is used for providing instant starting voltage for the main switching circuit at the moment of power-on of the power supply so as to enable the main switching circuit to be switched off after being switched on;the power supply output circuit is used for outputting voltage when the main switch circuit is conducted;the intelligent control circuit is used for outputting in an open circuit mode when the output voltage of the power output circuit is detected to be higher than a set value;and the no-load/low-load automatic disconnection circuit is used for disconnecting the output when the intelligent control circuit is in open-circuit output so as to enable the main switch circuit not to work and cut off the output of the power output circuit.
- The charger of claim 2, wherein the power output circuit is a switching power supply circuit or a line frequency transformer power supply.
- A leakage protector comprising the intelligent control circuit of claim 1.
- An intelligent socket is characterized by comprising a power switch, a power supply, a plug monitoring sensor, an electric leakage protection circuit, a short-circuit protection circuit and the intelligent control circuit;one end of the power switch is connected with the live wire input end, the other end of the power switch is connected with the socket live wire hole, and the zero line input end is connected with the socket zero line hole; the direct current power supply output of the power switch is respectively connected with the input power supplies of the leakage protection circuit, the short-circuit protection circuit, the intelligent control circuit and the plug monitoring sensor circuit; the signal output of the leakage protection circuit, the short-circuit protection circuit and the plug monitoring sensor is connected with the positive phase or negative phase input end of the intelligent control circuit, and the output end of the intelligent control circuit is connected with the control end of the power switch of the single-live-wire switch unit.
- The smart jack of claim 6, wherein one end of the power switch is connected to the live input terminal and one end of the electromagnetic relay switch, respectively, the other end of the relay switch is connected to the live hole of the jack, the other end of the power switch is connected to one end of the relay coil, the other end of the relay coil is connected to the neutral input terminal, one end of the neutral switch, and the other end of the neutral switch is connected to the neutral hole of the jack; the output end of the power switch direct-current power supply is respectively connected with the power input ends of the leakage protection circuit, the short-circuit protection circuit, the intelligent control circuit and the plug monitoring sensor circuit; the leakage protection circuit, the short-circuit protection circuit and the plug monitoring sensor are connected with a positive phase or negative phase input end of the intelligent control circuit, and an output control end of the intelligent control circuit is connected with a control end of a power switch of the single live wire power-taking switch unit.
- The smart jack of claim 7 wherein the power switch is selected from the group consisting of a triac, an electromagnetic relay switch, and a permanent magnet relay switch.
- The smart jack of claim 6, wherein the power input terminal is connected to the ac power input terminal, the live power switch terminal, and the live leakage reset detection circuit input terminal, and the live power switch terminal is connected to the live leakage reset detection circuit output terminal and a jack; the other end of the power supply input is connected with the alternating current zero line input end, the zero line leakage reset detection circuit input end and the other end of the zero line power switch, and the other end of the zero line power switch is connected with the zero line leakage reset detection circuit output end and the other socket hole; the direct current output end of the power supply is respectively connected with the power supply input ends of the intelligent control circuit, the plug monitoring sensor, the leakage protection circuit and the short-circuit protection circuit; the output end of the leakage reset detection circuit is connected with the positive phase or negative phase input end of the intelligent control circuit respectively, and the output end of the intelligent control circuit controls the relay coil or the optocoupler switch of the bidirectional thyristor, so that the on and off of the power switch are controlled.
- The smart jack of claim 9 wherein the power switch is selected from one of a triac, an electromagnetic relay switch, and a permanent magnet relay switch.
- The smart jack of claim 10 wherein the smart control circuit is optionally a human body infrared sensing module.
- The smart jack of claim 11, wherein the human body infrared sensor is disposed between the jack holes, and the human body infrared sensor is connected to the human body infrared sensing module; the human body infrared induction module outputs control optocoupler switches; with opto-switches controlling the main switch, i.e. bi-directional
- The smart jack of claim 10, wherein a photoelectric sensor or a pyroelectric human body infrared sensor is disposed between the jack holes on the jack panel; the plug monitoring sensor is used for detecting whether a plug is inserted into the socket port, and when the plug is inserted into the socket port, the plug monitoring sensor detects a signal and transmits the signal to the voltage detection IC to control the connection of the power supply main switch and supply power to a load; when the plug is not inserted into the socket port, the plug monitoring sensor does not detect a signal, the power supply main switch is not conducted, and no voltage is output from the socket hole.
- The smart jack of claim 10, wherein the photo sensor comprises three parallel holes (hole X, hole Y, and hole Z) between the jacks, hole Y is a middle hole, another hole (Y1) is formed at hole Y, Y1 has the same or similar angle with the plane of the jack, hole Y and hole Y1 form a plane, the same exit hole is formed above hole Y1, Y1 is an emitting hole for installing a light emitting device, hole X, hole Y, and hole Z are receiving holes for installing light receiving devices of the same type, wherein the light receiving devices are a photo resistor or an ultraviolet receiving diode, a photo diode or a photo triode, the light emitting device is a led light emitting diode or an ultraviolet light emitting diode or an infrared light emitting diode, etc., wherein the 4 holes can be used for transmitting light, after a power plug is inserted, the three holes are covered by plugs, and the reflected light is received by the hole (Y) receiving device, the resistance is changed to low resistance, the circuit works and is switched on, and the hole X and the hole Z are switched off and switched on without receiving the ambient light and the reflected light; the light emitting diode of the photoelectric sensor is connected with a power supply, three receiving elements are connected with an intelligent control circuit or an operational amplifier or a voltage detection IC (with Cmos output and N leakage output) input end, the intelligent control circuit or the voltage detection IC controls a small relay or an optical coupling switch (comprising an optical coupling photosensitive resistor or an optical coupling relay or an optical coupling silicon controlled rectifier), and the small electromagnetic relay or the optical coupling switch controls a power switch between a live wire and zero line input and output.
- The smart jack of claim 10, wherein the power-on circuit comprises a power switch circuit, a trigger circuit, a start circuit, a power-on circuit, a panel indicator light circuit, a touch sensing circuit;the power switch circuit is used for controlling the on-off of the load; the trigger circuit is used for controlling the on-off of the power switch; the starting circuit is used for providing a power supply for rapidly charging the power taking circuit when the power is firstly powered on; the circuit comprises static electricity taking and on-state electricity taking, wherein electricity taking charges a power supply through a trigger circuit starting circuit to provide the power supply for the touch IC; the touch sensing circuit is used for controlling the on-off of the on-state circuit to control the on-off of the power switch; the indicator light circuit is used for distinguishing on or off of a power supply when the touch is made.
- The smart jack of claim 15, wherein the ac hot input M1 is connected to one end of a power switch triac (T2) and one end of a trigger circuit (R26), the other end of the power switch triac (T2) is connected to one end of a load and a resistor (R27), and the other end of the load is connected to the ac neutral input; one end of the bridge rectifier alternating current input is connected with the other end of the resistor (R26), and the other end of the bridge rectifier alternating current input is connected with one end of a bidirectional trigger diode (D12) (two voltage stabilizing diodes are connected in series in opposite directions) and the other end of the resistor (R27); the other end of the bidirectional trigger diode is connected with a control electrode of a bidirectional thyristor (T2), the output anode of a bridge stack is connected with one end of a PNP upper-level tube emitter of an on-state power-taking switch (Q8), a static power-taking resistor (R28), a starting circuit (a resistor R1-1 is connected with a capacitor C1-1 in series) resistor (R1-1), the anode of a light-emitting diode (LED1) is connected with the cathode of a voltage-stabilizing tube (ZD1-1), the cathode of a starting capacitor (C1-1) at the other end of the static power-taking resistor (R28), the collector of the power-taking switch triode (Q8) is connected with the anode of the light-emitting diode (LED1), the anode of a voltage-stabilizing diode (1-1), the cathode of the voltage-stabilizing tube (ZD1-2), the anode of a filter capacitor (C1-2) and the anode of a low-voltage-difference voltage-stabilizing chip (IC1-1), and the cathode of the voltage-, The LED constant-voltage circuit comprises a voltage-stabilizing diode (ZD1-2) anode, a bridge stack cathode, a field-effect tube source electrode, one end of a capacitor (C1-3), one end of a resistor (R29), one end of a delay capacitor (C1-4), one end of a resistor (R1-2) and the 2 nd pin cathode of a touch chip (IC1-2), an output end of a low-dropout voltage stabilizing chip (IC1-1) is connected with the 5 th pin and the 6 th pin of a power supply anode of the touch chip (IC1-2), the other end of the capacitor (C1-3), a cathode of a voltage-stabilizing diode (ZD 13) is connected with a base of a triode (Q8), an anode of the triode (Q9) is connected with a drain of the field-effect tube (Q9), the 1 st pin of an output end of the touch chip (IC1-2) is connected with an anode of a diode (D1-1) and an anode of a light-emitting diode (LED2), a light-emitting diode (LED2), a cathode of the light-emitting diode (D, The other end of the resistor (R29) is connected with the grid of the field effect transistor (Q9), and the 3 rd pin of the touch chip (IC1-2) is a touch sensing signal input end.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016106197722 | 2016-07-24 | ||
| CN201610619772.2A CN107658646A (en) | 2016-07-24 | 2016-07-24 | A kind of multifunctional safe intelligent switch socket |
| CN201710422419X | 2017-05-15 | ||
| CN201710422419 | 2017-05-16 | ||
| PCT/CN2017/094186 WO2018019213A1 (en) | 2016-07-24 | 2017-07-24 | Intelligent control circuit, charger, leakage protector and intelligent socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109792217A true CN109792217A (en) | 2019-05-21 |
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ID=61016370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780058970.9A Pending CN109792217A (en) | 2016-07-24 | 2017-07-24 | Intelligent control circuit, charger, earth leakage protective device and intelligent socket |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109792217A (en) |
| WO (1) | WO2018019213A1 (en) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344894A (en) * | 2018-03-15 | 2018-07-31 | 常州得实新技术开发有限公司 | A kind of multifunctional intellectual ammeter |
| CN108448725B (en) * | 2018-04-12 | 2023-06-27 | 合肥哈工特安智能科技有限公司 | Power supply control circuit and control method |
| CN108736567B (en) * | 2018-06-29 | 2024-02-09 | 国家电网有限公司 | Power supply system for power monitoring |
| CN108551157A (en) * | 2018-06-29 | 2018-09-18 | 宁波光舟通信技术有限公司 | A kind of power conversion module |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212552U (en) * | 1987-12-05 | 1988-12-07 | 上海市燎原电器总厂二分厂 | Power supply plug with electricity leakage protecting |
| CN2469581Y (en) * | 2001-03-17 | 2002-01-02 | 陈全俤 | Multifunction autodistinguishing shockproof safety jack |
| CN2502455Y (en) * | 2001-10-26 | 2002-07-24 | 范荣康 | Touching electronic switch |
| CN201191684Y (en) * | 2008-05-15 | 2009-02-04 | 湖南农业大学 | Energy-saving safe socket apparatus for electrical equipment |
| CN102200826A (en) * | 2010-03-25 | 2011-09-28 | 联想(北京)有限公司 | Power adapter and portable computer |
| CN202019113U (en) * | 2011-03-21 | 2011-10-26 | 湖南奥盟电器有限公司 | Energy-saving and electric-shock-proof socket based on infrared detection |
| CN103178413A (en) * | 2013-04-09 | 2013-06-26 | 郭胜利 | Multifunctional intelligent safety power socket without standby power loss |
| CN105071506A (en) * | 2015-09-18 | 2015-11-18 | 傅友权 | Charger with automatic cut-off function and using method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457200A (en) * | 2010-10-22 | 2012-05-16 | 纬创资通股份有限公司 | Power supplier and power supply system |
| JP2013090441A (en) * | 2011-10-18 | 2013-05-13 | Hoa Chon Co Ltd | Circuit for power factor improvement |
| CN204497496U (en) * | 2015-03-20 | 2015-07-22 | 中山市唐王光电技术有限公司 | The safe energization socket of Almightiness type |
-
2017
- 2017-07-24 CN CN201780058970.9A patent/CN109792217A/en active Pending
- 2017-07-24 WO PCT/CN2017/094186 patent/WO2018019213A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212552U (en) * | 1987-12-05 | 1988-12-07 | 上海市燎原电器总厂二分厂 | Power supply plug with electricity leakage protecting |
| CN2469581Y (en) * | 2001-03-17 | 2002-01-02 | 陈全俤 | Multifunction autodistinguishing shockproof safety jack |
| CN2502455Y (en) * | 2001-10-26 | 2002-07-24 | 范荣康 | Touching electronic switch |
| CN201191684Y (en) * | 2008-05-15 | 2009-02-04 | 湖南农业大学 | Energy-saving safe socket apparatus for electrical equipment |
| CN102200826A (en) * | 2010-03-25 | 2011-09-28 | 联想(北京)有限公司 | Power adapter and portable computer |
| CN202019113U (en) * | 2011-03-21 | 2011-10-26 | 湖南奥盟电器有限公司 | Energy-saving and electric-shock-proof socket based on infrared detection |
| CN103178413A (en) * | 2013-04-09 | 2013-06-26 | 郭胜利 | Multifunctional intelligent safety power socket without standby power loss |
| CN105071506A (en) * | 2015-09-18 | 2015-11-18 | 傅友权 | Charger with automatic cut-off function and using method thereof |
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| Publication number | Publication date |
|---|---|
| WO2018019213A1 (en) | 2018-02-01 |
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