CN212183104U - Power supply electroless trip switch - Google Patents
Power supply electroless trip switch Download PDFInfo
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- CN212183104U CN212183104U CN202020911576.4U CN202020911576U CN212183104U CN 212183104 U CN212183104 U CN 212183104U CN 202020911576 U CN202020911576 U CN 202020911576U CN 212183104 U CN212183104 U CN 212183104U
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Abstract
The utility model discloses a power electroless trip switch, power input circuit is connected with the incoming end of double-line interlock trip switch, the output of double-line interlock trip switch is connected with power output circuit, power output circuit is connected with high-low voltage DC power supply output circuit, have the electric or not trip positive voltage output circuit to be connected with electroless trip negative current amplification trigger circuit, electroless trip negative current amplification trigger circuit is connected with silicon controlled rectifier DC high-voltage switch circuit, silicon controlled rectifier DC high-voltage switch circuit is connected with double-line interlock trip switch; the high-low voltage direct current power supply output circuit is connected with the electrified tripping-free positive voltage output circuit, the electroless tripping negative current amplification trigger circuit and the silicon controlled direct current high-voltage switch circuit; the product can automatically and immediately trip when power is suddenly cut off, can not be electrified when power supply is recovered, can cut off the power supplies of various electric appliances forgotten to be shut down due to the sudden power failure, and protects personal safety and property safety.
Description
Technical Field
The utility model relates to a switching circuit specifically is a power electroless trip switch.
Background
The leakage tripping switch is necessary for each factory, enterprise and family, and after a power supply enters a line, an electric consumer is provided with a current overload tripping/power-off and leakage tripping switch, but the current products have no power failure tripping function; in life, various fire accidents are caused frequently, such as: one old man in a certain community uses the electric heater to warm, forgets to turn off the power switch of the heater to go out due to sudden power failure, and recovers to power in home because no one is at home, and the heater is overheated to cause fire accidents due to overlong working time. As another example; a material warehouse keeper of a certain company forgets to turn off a lamp and turn off a power supply of an exhaust fan due to power failure, returns home after a warehouse door is closed after work, recovers the power supply soon, and causes serious property loss of the company due to fire caused by overheating of the exhaust fan after long-time use. The disastrous accidents caused by forgetting to turn off the power supply due to sudden power failure are many.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a power electroless trip switch of power failure automatic tripping operation.
The scheme for solving the technical problems is as follows:
a kind of power electroless tripping switch, including power input circuit, double-line linkage tripping switch, power output circuit, the power input circuit is connected with the access end of the double-line linkage tripping switch, the output end of the double-line linkage tripping switch is connected with power output circuit, the said power output circuit connects with high-low voltage direct-current power output circuit, have and trip the positive voltage output circuit electrically, have trip the positive voltage output circuit and connect with the negative current amplification trigger circuit of electroless trip, the negative current amplification trigger circuit of electroless trip is connected with the silicon controlled rectifier direct current high-voltage switch circuit, the silicon controlled rectifier direct current high-voltage switch circuit is connected with double-line linkage tripping switch; the high-low voltage direct current power supply output circuit is connected with the power-on trip-free positive voltage output circuit, the power-off trip-free negative current amplification trigger circuit and the silicon controlled direct current high-voltage switch circuit.
The preferable technical scheme is further as follows: the power output circuit is a live wire L3 and a zero wire N4 of an alternating current output end; the high-low voltage direct current power supply output circuit consists of a diode D4, a resistor R4, a resistor R6, a resistor R7, a voltage stabilizing diode W3 and a capacitor C7; the zero line N4 is connected with the cathode of a diode D4, the anode of a diode D4 is connected with a resistor R4, the other end of the resistor R4 is connected with the cathode of a capacitor C7, and the anode of the capacitor C7 is connected with a live wire L3 to form a half-wave rectification circuit; a resistor R7 and a resistor R6 are connected in series and then connected to two ends of a capacitor C7, two ends of the resistor R6 are connected with a voltage stabilizing diode W3 in parallel, the cathode of the voltage stabilizing diode W3 is connected with one end of a resistor R7 and one end of a resistor R6, the anode of the voltage stabilizing diode W3 and the other end of the resistor R6 are connected with a zero line E point of the circuit, and the other end of the resistor R7 is connected with a live line L3; the negative pole of the capacitor C7 is connected to the zero line E of the circuit.
The preferable technical scheme is further as follows: the positive voltage output circuit with electricity or without tripping comprises a diode D4, a resistor R4, a capacitor C5, a voltage stabilizing diode W2, a resistor R5 and a photoelectric switch EDK; the photoelectric switch EDK comprises a pin 1, a pin 2, a pin 3 and a pin 4;
the resistor R5 and the photoelectric switch EDK are connected in series at two ends of the resistor R4;
a pin 1 of the photoelectric switch EDK is connected with one end of a resistor R5, and the other end of the resistor R5 is connected with the anode of a diode D4, one end of a capacitor C5, one end of a resistor R4 and the anode of a voltage stabilizing diode W2;
the 3 pins of the photoelectric switch EDK are connected with the cathode of a voltage stabilizing diode W3, one end of a resistor R6 and one end of a resistor R7;
the other end of the capacitor C5, the other end of the resistor R4, the cathode of the voltage stabilizing diode W2, and the pin 2 of the photoelectric switch EDK are connected with a point E of a circuit zero line.
The preferable technical scheme is further as follows: the electroless trip negative current amplification trigger circuit consists of a PNP triode, a resistor R1, a resistor R2, a power failure electroless trip switch K3, a diode D1, a capacitor C2 and a capacitor C3, and the PNP triode, the resistor R1, the resistor R2, the power failure electroless trip switch K3, the diode D1, the capacitor C2 and the capacitor C3 form a negative control current discharge circuit; the PNP triode comprises a b pole, an e pole and a c pole; the 4 pins of the photoelectric switch EDK are connected with a resistor R1, a resistor R2, a capacitor C3 and one end of the anode of a diode D1, and the other end of the resistor R1 is connected to the b pole of the PNP triode;
the negative electrode of the diode D1 is connected with a pin 2 of the power failure no-trip switch K3 and one end of a capacitor C2, the power failure no-trip switch K3 and the capacitor C2 are connected in series, and the other end of the power failure no-trip switch K3 is connected with an e electrode of a PNP triode;
and the other ends of the capacitor C2, the resistor R2 and the capacitor C3 are connected with a point E of a zero line of the circuit.
The preferable technical scheme is further as follows: the silicon controlled direct-current high-voltage switch circuit consists of a silicon controlled BT1 and a capacitor C1, wherein the silicon controlled BT1 comprises a G pole, a K pole and an A pole; the C pole of the PNP triode is connected with the G pole of the controlled silicon BT1 and one end of a capacitor C1, and the other end of the capacitor C1 is connected with a zero line E point of the circuit; the K pole of the controlled silicon BT1 is connected with the E point of the zero line of the circuit, and the negative pole of the capacitor C7 is connected with the K pole of the controlled silicon BT 1.
The preferable technical scheme is further as follows: the double-wire linkage trip switch trip linkage mechanism QP.
The preferable technical scheme is further as follows: the tripping linkage mechanism QP consists of a linkage switch K1, a linkage switch K2, a tripping electromagnetic coil VH and an overload electromagnetic coil AH; the output end of the interlocking switch K1 is connected with a live wire L3, the output end of the interlocking switch K1 is connected with one end of a tripping electromagnetic coil VH, and the other end of the tripping electromagnetic coil VH is connected with the A pole of a silicon controlled rectifier BT 1; the output end of the interlocking switch K2 is connected with one end of an overload electromagnetic coil AH, and the other end of the overload electromagnetic coil AH is connected with a zero line N4.
The preferable technical scheme is further as follows: the power supply input circuit comprises a live wire end L1 and a zero line end N2 which are arranged at the alternating current input end, the live wire end L1 is connected with the access end of the linkage switch K1, and the zero line end N2 is connected with the access end of the linkage switch K2.
The preferable technical scheme is further as follows: the high-low voltage direct current power supply output circuit and the power-on tripping-free positive voltage output circuit are connected between the live wire L3 and the zero wire N4.
The utility model discloses a power electroless trip switch beneficial effect does: this power electroless trip switch is applicable to every mill, enterprise, family, this power electroless trip switch is installed to the power consumer behind the power inlet wire, if because of having a power failure suddenly, power electroless trip switch can automatic trip immediately, can not switch on when resumeing the power supply, can cut off the power of forgetting the various electrical/electrical apparatus of shutting down because of having a power failure suddenly like this, personal safety and property safety are protected, when will use electrical apparatus, through the power electroless trip switch circular telegram of artificial recovery operation power again, end use electrical apparatus obtains the power, use electrical apparatus under someone's condition.
Drawings
Fig. 1 is a circuit block diagram of the electroless trip switch of the present invention;
fig. 2 is a circuit schematic diagram of the electroless trip switch of the product of the present invention;
FIG. 3 is a block diagram of the circuit of the non-electric leakage trip switch of the present invention;
fig. 4 is a circuit schematic diagram of the electroless leakage trip switch of the product of the present invention.
The power supply circuit comprises a power supply input circuit 1, a double-wire linkage tripping switch 2, a leakage detection leakage induction voltage output circuit 3, a power supply output circuit 4, a high-low voltage direct current power supply output circuit 5, a current-existence tripping positive voltage output circuit 6, a leakage tripping positive current amplification trigger circuit 7, a current-nonelectricity tripping negative current amplification trigger circuit 8, an anti-crosstalk circuit 9 and a silicon controlled direct current high-voltage switch circuit 10.
Detailed Description
A power supply electroless trip switch comprises a power supply input circuit 1, a double-wire linkage trip switch 2 and a power supply output circuit 4, wherein the power supply input circuit 1 is connected with the access end of the double-wire linkage trip switch 2, the output end of the double-wire linkage trip switch 2 is connected with the power supply output circuit 4, the power supply output circuit 4 is connected with a high-voltage and low-voltage direct-current power supply output circuit 5 and an electrified or non-trip positive voltage output circuit 6, the electrified or non-trip positive voltage output circuit 6 is connected with an electroless trip negative current amplification trigger circuit 8, the electroless trip negative current amplification trigger circuit 8 is connected with a silicon controlled direct-current high-voltage switch circuit 10, and the silicon controlled direct-current high-voltage switch circuit 10 is connected with the double-wire linkage; the high-low voltage direct current power supply output circuit 5 is connected with an electrified tripping-free positive voltage output circuit 6, an electroless tripping negative current amplification trigger circuit 8 and a silicon controlled direct current high-voltage switch circuit 10.
The power output circuit is a live wire L3 and a zero wire N4 of an alternating current output end; the high-low voltage direct current power supply output circuit consists of a diode D4, a resistor R4, a resistor R6, a resistor R7, a voltage stabilizing diode W3 and a capacitor C7; the zero line N4 is connected with the cathode of a diode D4, the anode of a diode D4 is connected with a resistor R4, the other end of the resistor R4 is connected with the cathode of a capacitor C7, and the anode of the capacitor C7 is connected with a live wire L3 to form a half-wave rectification circuit; the resistor R7 and the resistor R6 are connected in series and then connected to two ends of a capacitor C7, two ends of the resistor R6 are connected with a voltage stabilizing diode W3 in parallel, the cathode of the voltage stabilizing diode W3 is connected with one end of a resistor R7 and one end of a resistor R6, the anode of the voltage stabilizing diode W3 and the other end of the resistor R6 are connected with a zero line E point of a circuit, and the other end of the resistor R7 is connected with a live line L3; the negative pole of the capacitor C7 is connected to the zero line E of the circuit.
The positive voltage output circuit with electricity or without tripping comprises a diode D4, a resistor R4, a capacitor C5, a voltage stabilizing diode W2, a resistor R5 and a photoelectric switch EDK; the photoelectric switch EDK comprises a pin 1, a pin 2, a pin 3 and a pin 4;
the resistor R5 and the photoelectric switch EDK are connected in series at two ends of the resistor R4;
a pin 1 of the photoelectric switch EDK is connected with one end of a resistor R5, and the other end of the resistor R5 is connected with the anode of a diode D4, one end of a capacitor C5, one end of a resistor R4 and the anode of a voltage stabilizing diode W2;
the 3 pins of the photoelectric switch EDK are connected with the cathode of a voltage stabilizing diode W3, one end of a resistor R6 and one end of a resistor R7;
the other end of the capacitor C5, the other end of the resistor R4, the cathode of the voltage stabilizing diode W2, and the pin 2 of the photoelectric switch EDK are connected with a point E of a circuit zero line.
The electroless trip negative current amplification trigger circuit consists of a PNP triode, a resistor R1, a resistor R2, a power failure electroless trip switch K3, a diode D1, a capacitor C2 and a capacitor C3, and the PNP triode, the resistor R1, the resistor R2, the power failure electroless trip switch K3, the diode D1, the capacitor C2 and the capacitor C3 form a negative control current discharge circuit; the PNP triode comprises a b pole, an e pole and a c pole; the 4 pins of the photoelectric switch EDK are connected with a resistor R1, a resistor R2, a capacitor C3 and one end of the anode of a diode D1, and the other end of the resistor R1 is connected to the b pole of the PNP triode;
the negative electrode of the diode D1 is connected with a pin 2 of the power failure no-trip switch K3 and one end of a capacitor C2, the power failure no-trip switch K3 and the capacitor C2 are connected in series, and the other end of the power failure no-trip switch K3 is connected with an e electrode of a PNP triode;
and the other ends of the capacitor C2, the resistor R2 and the capacitor C3 are connected with a point E of a zero line of the circuit.
The silicon controlled direct-current high-voltage switching circuit consists of a silicon controlled BT1 and a capacitor C1, and the silicon controlled BT1 comprises a G pole, a K pole and an A pole; the C pole of the PNP triode is connected with the G pole of the controlled silicon BT1 and one end of a capacitor C1, and the other end of the capacitor C1 is connected with a zero line E point of the circuit; the K pole of the controlled silicon BT1 is connected with the E point of the zero line of the circuit, and the negative pole of the capacitor C7 is connected with the K pole of the controlled silicon BT 1.
The double-wire linkage tripping switch is a tripping linkage mechanism QP, and the tripping linkage mechanism QP is the prior art.
The tripping linkage mechanism QP consists of a linkage switch K1, a linkage switch K2, a tripping electromagnetic coil VH, an overload electromagnetic coil AH and a tripping linkage mechanism QP; the output end of the interlocking switch K1 is connected with a live wire L3, the output end of the interlocking switch K1 is connected with one end of a tripping electromagnetic coil VH, and the other end of the tripping electromagnetic coil VH is connected with the A pole of a silicon controlled rectifier BT 1; the output end of the interlocking switch K2 is connected with one end of an overload electromagnetic coil AH, and the other end of the overload electromagnetic coil AH is connected with a zero line N4.
The power supply input circuit comprises a live wire end L1 and a zero line end N2 which are arranged at the alternating current input end, the live wire end L1 is connected with the access end of the linkage switch K1, and the zero line end N2 is connected with the access end of the linkage switch K2.
The high-low voltage direct current power supply output circuit and the power-on tripping-free positive voltage output circuit are connected between the live wire L3 and the zero wire N4.
The other end of the capacitor C1 and the K pole of the controlled silicon BT1 are connected with a point E of a ground wire; the anode of the voltage-stabilizing diode W3 and the other end of the resistor R6 are connected with a point E of a ground wire; the other end of the capacitor C5, the other end of the resistor R4, the cathode of the voltage stabilizing diode W2, and the 2 pin of the EDK of the photoelectric switch are connected with the point E of the ground wire.
The A pole of the controllable silicon BT1 is an anode, the K pole is a cathode, and the G pole is a trigger pole.
The electrode e of the PNP triode is an emitting electrode, the electrode c is a collecting electrode, and the electrode b is a base electrode.
The power input circuit is an alternating current input circuit, the power input circuit enters when electricity enters, the double-wire linkage tripping switch is in a closed state, voltage is output from a live wire L3 and a zero wire N4 of the power output circuit, high-voltage direct current voltage is obtained at two ends of a capacitor C7, and the high-voltage direct current voltage is output through a silicon controlled rectifier BT1 to control the linkage switch K1 and the linkage switch K2 to trip and power off, so that instant and instant electric energy is provided.
When the live wire L3 and the zero wire N4 have output voltages, two ends of the resistor R4 have direct-current voltages, the value of the direct-current voltages depends on a resistor R4 and a voltage regulator tube of a voltage regulator diode W2, the voltage of two ends of the resistor R4 can be stabilized by the capacitor C5, the working pins 3 and 4 of the photoelectric switch EDK are conducted, positive 5-volt direct-current low voltage is output, the 5-volt direct-current low voltage is composed of a resistor R7, a resistor R6 and a voltage regulator diode W3, the resistor R7 and the resistor R6 are connected in series and then connected to two ends of the capacitor C7, the resistor R6 has a voltage, the two ends of the resistor R6 are connected with the voltage regulator diode W3 in parallel, the voltage of two ends of the resistor R6 is stabilized at. The capacitor C7 is a high-voltage energy storage capacitor.
When voltage exists on a live wire L3 and a zero line N4, a pin 3 and a pin 4 of a photoelectric switch EDK are closed and conducted to output a positive voltage, the pin 4 of the photoelectric switch EDK is connected with one end of a resistor R1 and is connected to a pole b of a PNP triode through the other end of a resistor R1, the PNP triode is a current amplifier with negative current control and does not work, the pin 4 of the EDK outputs the positive voltage and is connected with the anode of a diode D1, the cathode of the diode D1 charges a capacitor C2, and the positive voltage of the capacitor C2 is connected to an e emitter of the PNP triode through a power failure no-trip switch K36; when the live wire L3 and the zero line N4 are powered off, the 3 pin and the 4 pin of the photoelectric switch EDK are disconnected, no positive voltage is output, the b pole of the PNP triode has no positive voltage, but obtains a negative voltage sent by the resistor R2, the PNP triode works, the e pole and the C pole of the PNP triode are conducted, the storage voltage of the capacitor C2 is sent to the G trigger pole of the silicon controlled BT1, the silicon controlled BT1 works, the A anode and the K cathode of the silicon controlled BT1 are conducted, the tripping electromagnetic coil VH obtains high voltage of the capacitor C7 from stored energy, the tripping electromagnetic coil VH generates a strong electromagnetic field, and the strong magnetic field pulls the whole tripping linkage mechanism QP to enable the linkage switch K1 and the linkage switch K2 to be linked to trip and power.
When the linkage switch K1 and the linkage switch K2 are linked and connected, alternating-current voltage is output between a live wire L3 and a zero line N4, a diode D4, a resistor R4 and a capacitor C7 are connected in series between the live wire L3 and the zero line N4, the resistor R4 has a voltage which depends on the voltage stabilizing values of a resistor R4 and a zener diode W2, the capacitor C5 enables the voltage at two ends of the resistor R4 to be purer and more stable, the voltage is the working voltage provided for a pin 1 and a pin 2 of the photoelectric switch EDK through the current-limiting resistor R5, after the photoelectric switch EDK obtains the voltage, a pin 3 and a pin 4 of the photoelectric switch EDK are conducted, so that a positive connection point of the capacitor C3, the resistor R1, the resistor R2 and the diode D1 obtains a positive voltage provided for a negative pole W9 of the photoelectric switch EDK, a positive voltage of a PNP triode 6865V is obtained through a resistor R1, the triode is a negative voltage bias current amplification, so that the PNP triode is not powered and the PNP switch does not work, and the PNP diode D56 Pressing; when power is off, the live line L3 and the zero line N4 have no voltage, the diode D4 has no current, the two ends of the resistor R4 have no voltage, the resistor R5 has no current, the pin 1 and the pin 2 of the photoelectric switch EDK have no current, the pin 3 and the pin 4 of the photoelectric switch EDK are not conducted, the b pole of the PNP triode can not obtain positive voltage, but obtain the working negative bias voltage of the zero line of the ground line E point circuit connected with the resistor R1 in series connection with the resistor R2, the PNP triode works, the E emitter and the C collector of the PNP triode are conducted, the positive voltage of the capacitor C2 of the energy storage is connected with the E emitter of the PNP triode to the C collector through the power-off no-trip switch K3 (the pin 2 and the pin 1 of the electric no-trip switch K3) to provide a positive pulse trigger signal to the G trigger electrode of the silicon controlled rectifier BT 4, the A anode and the K cathode of the controlled rectifier BT1 are conducted, the trip electromagnetic coil VH generates a strong magnetic field, and the strong magnetic field pulls the trip interlocking mechanism QP to cause the interlocking switch K1 and the interlocking switch K2 to trip and cut off the power.
The capacitor C1 and the capacitor C2 are interference capacitors, the working stability of the circuit is improved, the b-pole voltage signal input of the PNP triode is in negative control conduction, and the live wire L3 and the zero wire N4 are 110-volt or 220-volt power supply outputs; the input of the b-pole voltage signal of the PNP triode is positive voltage, the PNP triode does not work, the live line L3 and the zero line N4 are powered off without a 110-volt or 220-volt power supply, the input of the b-pole voltage signal of the PNP triode is converted into negative voltage, and the PNP triode works.
A power supply non-electrical trip switch may also be referred to as a power supply non-electrical trip switch circuit or a power supply non-electrical trip switch system.
A no-power leakage trip switch comprising a no-power trip switch of a power supply, wherein the no-power leakage trip switch comprises the following circuits:
a kind of electroless, electric leakage trip switch, including power input circuit 1, double-wire linkage trip switch 2, electric leakage inspection leakage inductance voltage output circuit 3, power output circuit 4, they connect sequentially, the said power output circuit 1 connects with high-low voltage direct-current power output circuit 5, have electricity trip positive voltage output circuit 6 connect with electroless trip negative current amplification trigger circuit 8, electroless trip negative current amplification trigger circuit 8 connects with the anti-cross interference circuit 9, the anti-cross interference circuit 9 connects with the silicon controlled rectifier direct-current high-voltage switch circuit 10, the silicon controlled rectifier direct-current high-voltage switch circuit 10 connects with double-wire linkage trip switch 2; the electric leakage detection electric leakage induction voltage output circuit 3 is connected with an electric leakage tripping positive current amplification trigger circuit 7, and the electric leakage tripping positive current amplification trigger circuit 7 is connected with an anti-crosstalk circuit 9; the high-low voltage direct current power supply output circuit 5 is connected with a current tripping-free positive voltage output circuit 6, a leakage tripping-free positive current amplification trigger circuit 7, a current tripping-free negative current amplification trigger circuit 8 and a silicon controlled direct current high-voltage switch circuit 10.
The electric leakage detection electric leakage induction voltage output circuit consists of a resistor R9, a voltage induction magnetic ring TE, a voltage induction coil TC, an electric leakage detection coil TA and an electric leakage detection switch K4; the power output circuit is a live wire L3 and a zero wire N4 of an alternating current output end; the live wire L3 and the zero wire N4 penetrate through the voltage induction magnetic ring TE; the electric leakage detection coil TA is wound on the voltage induction magnetic ring TE; the voltage induction coil TC is wound on the voltage induction magnetic ring TE; the voltage induction coil TC is relatively positioned at the other end, far away from the electric leakage detection coil TA; one end of the electric leakage detection switch K4 is connected with a live wire L3, the other end of the electric leakage detection switch is connected with one end of an electric leakage detection coil TA, the other end of the electric leakage detection coil TA is connected with one end of a resistor R9, and the other end of the resistor R9 is connected with a zero line N4.
The high-low voltage direct current power supply output circuit consists of a diode D4, a resistor R4, a resistor R6, a resistor R7, a voltage stabilizing diode W3 and a capacitor C7; the zero line N4 is connected with the cathode of a diode D4, the anode of a diode D4 is connected with a resistor R4, the other end of the resistor R4 is connected with the cathode of a capacitor C7, and the anode of the capacitor C7 is connected with a live wire L3 to form a half-wave rectification circuit; the resistor R7 and the resistor R6 are connected in series and then connected to two ends of a capacitor C7, two ends of the resistor R6 are connected with a voltage stabilizing diode W3 in parallel, the cathode of the voltage stabilizing diode W3 is connected with one end of a resistor R7 and one end of a resistor R6, the anode of the voltage stabilizing diode W3 and the other end of the resistor R6 are connected with a zero line E point of a circuit, and the other end of the resistor R7 is connected with a live line L3; one end of the voltage induction coil TC is connected with a circuit zero line E point; one end of the voltage induction coil TC is connected with a circuit zero line E point; and the negative electrode of the capacitor C7 is connected with a zero line E point of the circuit.
The positive voltage output circuit with electricity or without tripping comprises a diode D4, a resistor R4, a capacitor C5, a voltage stabilizing diode W2, a resistor R5 and a photoelectric switch EDK; the photoelectric switch EDK comprises a pin 1, a pin 2, a pin 3 and a pin 4; the resistor R5 and the photoelectric switch EDK are connected in series at two ends of the resistor R4; a pin 1 of the photoelectric switch EDK is connected with one end of a resistor R5, and the other end of the resistor R5 is connected with the anode of a diode D4, one end of a capacitor C5, one end of a resistor R4 and the anode of a voltage stabilizing diode W2; the 3 pins of the photoelectric switch EDK are connected with the cathode of a voltage stabilizing diode W3, one end of a resistor R6 and one end of a resistor R7; the other end of the capacitor C5, the other end of the resistor R4, the cathode of the voltage stabilizing diode W2, and the pin 2 of the photoelectric switch EDK are connected with a point E of a circuit zero line.
The electroless trip negative current amplification trigger circuit consists of a PNP triode, a resistor R1, a resistor R2, a power failure electroless trip switch K3, a diode D1, a capacitor C2 and a capacitor C3, and the PNP triode, the resistor R1, the resistor R2, the power failure electroless trip switch K3, the diode D1, the capacitor C2 and the capacitor C3 form a negative control current discharge circuit; the PNP triode comprises a b pole, an e pole and a c pole; the 4 pins of the photoelectric switch EDK are connected with a resistor R1, a resistor R2, a capacitor C3 and one end of the anode of a diode D1, and the other end of the resistor R1 is connected to the b pole of the PNP triode; the negative electrode of the diode D1 is connected with a pin 2 of the power failure no-trip switch K3 and one end of a capacitor C2, the power failure no-trip switch K3 and the capacitor C2 are connected in series, and the other end of the power failure no-trip switch K3 is connected with an e electrode of a PNP triode; the other ends of the capacitor C2, the resistor R2 and the capacitor C3 are connected with a zero line E point of the circuit; the anti-crosstalk circuit consists of a diode D2 and a diode D3, wherein the anode of the diode D2 is connected with the c electrode of the PNP triode; the leakage tripping positive current amplification trigger circuit consists of an NPN triode, a resistor R3, a resistor R8, a voltage stabilizing diode W1 and a capacitor C4, and forms a positive control current amplification circuit, the NPN triode is used as a current amplifier and comprises a b pole, an E pole and a C pole, the b pole of the NPN triode is connected with one end of the capacitor C4, the negative pole of the voltage stabilizing diode W1, one end of the resistor R3 and one end of the resistor R8, the other ends of the capacitor C4, the positive pole of the voltage stabilizing diode W1 and the resistor R3 are connected with a zero line E point of the circuit, and the other end of the resistor R8 is connected with the other end of the voltage induction coil TC; the e pole of the NPN triode is connected with the anode of a diode D3; and the c electrode of the NPN triode is connected with the 4 pins of the photoelectric switch EDK.
The silicon controlled direct-current high-voltage switching circuit consists of a silicon controlled BT1 and a capacitor C1, and the silicon controlled BT1 comprises a G pole, a K pole and an A pole; the negative electrode of the diode D2 and the negative electrode of the diode D3 are connected with the G pole of the controlled silicon BT1 and one end of the capacitor C1, the other end of the capacitor C1 is connected with the E point of the circuit zero line, the negative electrode of the capacitor C7 is connected with the K pole of the controlled silicon BT1, and the K pole of the controlled silicon BT1 is connected with the E point of the circuit zero line.
The double-wire linkage tripping switch is a tripping linkage mechanism QP, and is in the prior art, and the tripping linkage mechanism QP consists of a linkage switch K1, a linkage switch K2, a tripping electromagnetic coil VH and an overload electromagnetic coil AH; the output end of the interlocking switch K1 is connected with a live wire L3, the output end of the interlocking switch K1 is connected with one end of a tripping electromagnetic coil VH, and the other end of the tripping electromagnetic coil VH is connected with the A pole of a silicon controlled rectifier BT 1; the output end of the interlocking switch K2 is connected with one end of an overload electromagnetic coil AH, and the other end of the overload electromagnetic coil AH is connected with a zero line N4.
The power supply input circuit comprises a live wire end L1 and a zero line end N2 which are arranged at the alternating current input end, the live wire end L1 is connected with the access end of the linkage switch K1, and the zero line end N2 is connected with the access end of the linkage switch K2.
The high-low voltage direct current power supply output circuit and the power-on tripping-free positive voltage output circuit are connected between the live wire L3 and the zero wire N4.
The resistor R9, the leakage inspection coil TA and the leakage inspection switch K4 are connected in series between the live wire L3 and the zero wire N4.
The electrode e of the NPN triode is an emitting electrode, the electrode c of the NPN triode is a collecting electrode, and the electrode b of the NPN triode is a base electrode.
The current flowing directions of the PNP triode and the NPN triode are just opposite; the PNP triode has its electric signal flowing from e pole to c pole and the NPN triode has its electric signal flowing from c pole to e pole, so that the non-electric trigger trip circuit is distinguished from the leakage trigger trip circuit.
The power input circuit is an alternating current input circuit, the power input circuit enters when electricity enters, the double-wire linkage tripping switch is in a closed state, voltage is output from a live wire L3 and a zero wire N4 of the power output circuit, high-voltage direct current voltage is obtained at two ends of a capacitor C7, and the high-voltage direct current voltage is output through a silicon controlled rectifier BT1 to control the linkage switch K1 and the linkage switch K2 to trip and power off, so that instant and instant electric energy is provided.
When the live wire L3 and the zero wire N4 have output voltages, two ends of the resistor R4 have direct-current voltages, the value of the direct-current voltages depends on a resistor R4 and a voltage regulator tube of a voltage regulator diode W2, the voltage of two ends of the resistor R4 can be stabilized by the capacitor C5, the working pins 3 and 4 of the photoelectric switch EDK are conducted, positive 5-volt direct-current low voltage is output, the 5-volt direct-current low voltage is composed of a resistor R7, a resistor R6 and a voltage regulator diode W3, the resistor R7 and the resistor R6 are connected in series and then connected to two ends of the capacitor C7, the resistor R6 has a voltage, the two ends of the resistor R6 are connected with the voltage regulator diode W3 in parallel, the voltage of two ends of the resistor R6 is stabilized at. The capacitor C7 is an energy storage capacitor.
When voltage exists on a live wire L3 and a zero line N4, a pin 3 and a pin 4 of a photoelectric switch EDK are closed and conducted to output a positive voltage, the pin 4 of the photoelectric switch EDK is connected with one end of a resistor R1 and is connected to a pole b of a PNP triode through the other end of a resistor R1, the PNP triode is a current amplifier with negative current control and does not work, the pin 4 of the EDK outputs the positive voltage and is connected with the anode of a diode D1, the cathode of the diode D1 charges a capacitor C2, and the positive voltage of the capacitor C2 is connected to an e emitter of the PNP triode through a power failure no-trip switch K36; when the live wire L3 and the zero line N4 are powered off, the 3 pin and the 4 pin of the photoelectric switch EDK are disconnected, no positive voltage is output, the b pole of the PNP triode has no positive voltage, but obtains a negative voltage sent by the resistor R2, the PNP triode works, the e pole and the C pole of the PNP triode are conducted, the stored voltage of the capacitor C2 is sent to the G trigger pole of the silicon controlled BT1 through the diode D2, the silicon controlled BT1 works, the A anode and the K cathode of the silicon controlled BT1 are conducted, the tripping electromagnetic coil VH is enabled to obtain high voltage of the capacitor C7 from energy storage, the tripping electromagnetic coil VH generates a strong electromagnetic field, and the strong magnetic field pulls the whole tripping mechanism QP to enable the linkage switch K1 and the linkage switch K2 to be linked and.
When the linkage switch K1 and the linkage switch K2 are linked and connected, alternating-current voltage is output between a live wire L3 and a zero line N4, a diode D4, a resistor R4 and a capacitor C7 are connected in series between the live wire L3 and the zero line N4, the resistor R4 has a voltage which depends on the voltage stabilizing values of a resistor R4 and a zener diode W2, the capacitor C5 enables the voltage at two ends of the resistor R4 to be purer and more stable, the voltage is the working voltage provided for a pin 1 and a pin 2 of the photoelectric switch EDK through the current-limiting resistor R5, after the photoelectric switch EDK obtains the voltage, a pin 3 and a pin 4 of the photoelectric switch EDK are conducted, so that a positive connection point of the capacitor C3, the resistor R1, the resistor R2 and the diode D1 obtains a positive voltage provided for a negative pole W9 of the photoelectric switch EDK, a positive voltage of a PNP triode 6865V is obtained through a resistor R1, the triode is a negative voltage bias current amplification, so that the PNP triode is not powered and the PNP switch does not work, and the PNP diode D56 Pressing; when power is off, the live wire L3 and the zero line N4 have no voltage, the diode D4 has no current, the two ends of the resistor R4 have no voltage, the resistor R5 has no current, the pin 1 and the pin 2 of the photoelectric switch EDK have no current, the pin 3 and the pin 4 of the photoelectric switch EDK are not conducted, the b pole of the PNP triode can not obtain positive voltage, but obtain the working negative bias voltage of the zero line of the ground wire E point circuit connected with the resistor R2 in series, the PNP triode works, the E emitter and the C collector of the PNP triode are conducted, the positive voltage of the energy storage capacitor C2 is connected with the E emitter of the PNP triode through the power-off no-trip switch K6323 switch (the pin 2 and the pin 1 of the electric no-trip switch K3 switch are conducted) to the C collector, the positive pulse trigger signal is provided to the G trigger pole of the controllable silicon BT1 through the diode D2, the A anode and the K cathode of the controllable silicon BT1 are conducted, so that, the trip electromagnetic coil VH generates a strong magnetic field, and the strong magnetic field pulls the trip interlocking mechanism QP to cause the interlocking switch K1 and the interlocking switch K2 to trip and cut off the power.
The capacitor C1 and the capacitor C2 are interference capacitors, the working stability of the circuit is improved, the b-pole voltage signal input of the PNP triode is in negative control conduction, and the live wire L3 and the zero wire N4 are 110-volt or 220-volt power supply outputs; the input of the b-pole voltage signal of the PNP triode is positive voltage, the PNP triode does not work, the live line L3 and the zero line N4 are powered off without a 110-volt or 220-volt power supply, the input of the b-pole voltage signal of the PNP triode is converted into negative voltage, and the PNP triode works.
The leakage test is composed of a resistor R9, a leakage test coil TA and a leakage test switch K4, and is used for verifying whether the leakage test switch K4 is tripped or not. The leakage induction voltage output is composed of a voltage induction magnetic ring TE and a voltage induction coil TC, and when the live wire L3 or the zero wire N4 leaks electricity to the ground, the voltage induction coil TC has induction voltage output.
The anti-crosstalk circuit is composed of a diode D2 and a diode D3, wherein the diode D2 is used for outputting a non-electric tripping electric signal, the diode D3 is used for outputting a leakage tripping electric signal, and the anti-crosstalk circuit enables different working circuits not to respond to respective working states.
The live wire end L1 and the zero line end N2 are input ends of an alternating current power supply, when the linkage switch K1 and the linkage switch K2 are connected, alternating current voltage is output from the live wire L3 and the zero line N4, when the alternating current voltage output from the live wire L3 and the zero line N4 generates electricity leakage to the ground, the voltage induction magnetic ring TE generates an electromagnetic field, the voltage induction coil TC induces and generates voltage, because the 2-pin voltage of the voltage induction coil TC is connected with the zero line E point of a circuit, the voltage of the 1-pin of the voltage induction coil TC is sent to the b pole of an NPN triode through a current limiting resistor R8 to amplify the current, the emitter E of the NPN triode outputs a positive voltage, the positive voltage is sent to the trigger pole G of a silicon controlled BT1 through the negative pole of a diode D3, the anode A of the silicon controlled 1 is conducted with the cathode K, so that the electromagnetic coil VH obtains high voltage of a capacitor C7 from the stored energy, the, the interlock switch K1 and the interlock switch K2 are tripped and cut off the power. The capacitor C4 and the resistor R3 are bias capacitors and resistors of the b pole of the NPN triode, the working stability of the NPN triode is improved, the voltage stabilizing diode W1 prevents the voltage induced by the voltage induction coil TC from being too high to damage the NPN triode, the working voltage of the collector C of the NPN triode is from the positive pole of the energy storage capacitor C7 (high-voltage capacitor C7) to be connected with the current limiting resistor R7, and the working voltage is sent to the negative pole of the photoelectric switch EDK from 3 feet to 4 feet. The resistor R6 is a voltage-reducing shunt resistor, and the voltage stabilizing diode W3 stabilizes the voltage at two ends of the resistor R6, the voltage is 5V, and the circuit working voltage is provided. The diode D4, the resistor R4 and the high-voltage capacitor C7 are connected in series to the power output ends of the live wire L3 and the zero wire N4 to form a high-voltage half-wave rectification circuit, and the capacitor C7 is a direct-current high-voltage energy storage capacitor and provides electric energy for leakage tripping and electroless tripping.
The current-limiting resistor R9, the leakage checking coil TA and the leakage checking switch K4 are connected in series and respectively connected with the power output ends of a live wire L3 and a zero wire N4, the simulation leakage state is checked according to a normally open switch of a through leakage checking switch K4, current passes through the leakage checking coil TA according to the through leakage checking switch K4, the voltage induction magnetic ring TE generates an electromagnetic field, the voltage induction coil TC induces and generates voltage, the voltage of a pin 2 of the voltage induction coil TC is connected with a zero wire E point of a circuit, the voltage of a pin 1 of the voltage induction coil TC is transmitted to a pole b of an NPN triode through the current-limiting resistor R8 to carry out current amplification NPN, an emitter E of the NPN triode outputs a positive voltage, the positive voltage is transmitted to a trigger pole G of a silicon controlled BT1 through a negative pole of a diode D3, an anode A of the silicon controlled BT1 is conducted with a cathode K, so that a tripping electromagnetic coil obtains high, the strong magnetic field pulls the trip interlocking mechanism QP to trip and disconnect the interlock switch K1 and the interlock switch K2.
The power input circuit is also called as a power input module or a power input unit; the power output circuit is also called as a power output module or a power output unit; the double-line linkage tripping switch is also called as a double-line linkage tripping switch unit; the high-low voltage direct current power supply output circuit is also called as a high-low voltage direct current power supply output module or a high-low voltage direct current power supply output unit; the positive voltage output circuit with or without tripping under the condition of electricity is also called as a positive voltage output module with or without tripping under the condition of electricity or a positive voltage output unit with or without tripping under the condition of electricity; the electroless trip negative current amplification trigger circuit is also called an electroless trip negative current amplification trigger module or an electroless trip negative current amplification trigger unit; the silicon controlled direct-current high-voltage switch circuit is also called as a silicon controlled direct-current high-voltage switch module or a silicon controlled direct-current high-voltage switch unit; the anti-crosstalk circuit is also called as an anti-crosstalk circuit module or an anti-crosstalk unit; the leakage detection leakage inductance induction voltage output circuit is also called a leakage detection leakage inductance induction voltage output module or a leakage detection leakage inductance induction voltage output unit; the electric leakage tripping positive current amplification trigger circuit is also called as an electric leakage tripping positive current amplification trigger module or an electric leakage tripping positive current amplification trigger unit.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (9)
1. The utility model provides a power electroless trip switch, includes power input circuit, double-line interlock trip switch, power output circuit, and power input circuit is connected with double-line interlock trip switch's incoming end, and double-line interlock trip switch's output is connected with power output circuit, its characterized in that: the power output circuit is connected with a high-low voltage direct current power output circuit and a charged tripping positive voltage output circuit, the charged tripping positive voltage output circuit is connected with a non-charged tripping negative current amplification trigger circuit, the non-charged tripping negative current amplification trigger circuit is connected with a silicon controlled direct current high-voltage switch circuit, and the silicon controlled direct current high-voltage switch circuit is connected with a double-line linkage tripping switch; the high-low voltage direct current power supply output circuit is connected with the power-on trip-free positive voltage output circuit, the power-off trip-free negative current amplification trigger circuit and the silicon controlled direct current high-voltage switch circuit.
2. A power supply no electrical trip switch as in claim 1, wherein: the power output circuit is a live wire L3 and a zero wire N4 of an alternating current output end;
the high-low voltage direct current power supply output circuit consists of a diode D4, a resistor R4, a resistor R6, a resistor R7, a voltage stabilizing diode W3 and a capacitor C7; the zero line N4 is connected with the cathode of a diode D4, the anode of a diode D4 is connected with a resistor R4, the other end of the resistor R4 is connected with the cathode of a capacitor C7, and the anode of the capacitor C7 is connected with a live wire L3 to form a half-wave rectification circuit; the resistor R7 and the resistor R6 are connected in series and then connected to two ends of a capacitor C7, two ends of the resistor R6 are connected with a voltage stabilizing diode W3 in parallel, the cathode of the voltage stabilizing diode W3 is connected with one end of a resistor R7 and one end of a resistor R6, the anode of the voltage stabilizing diode W3 and the other end of the resistor R6 are connected with a zero line E point of a circuit, and the other end of the resistor R7 is connected with a live line L3; the negative pole of the capacitor C7 is connected to the zero line E of the circuit.
3. A power supply no electrical trip switch as in claim 2, wherein: the positive voltage output circuit with electricity or without tripping comprises a diode D4, a resistor R4, a capacitor C5, a voltage stabilizing diode W2, a resistor R5 and a photoelectric switch EDK; the photoelectric switch EDK comprises a pin 1, a pin 2, a pin 3 and a pin 4;
the resistor R5 and the photoelectric switch EDK are connected in series at two ends of the resistor R4;
a pin 1 of the photoelectric switch EDK is connected with one end of a resistor R5, and the other end of the resistor R5 is connected with the anode of a diode D4, one end of a capacitor C5, one end of a resistor R4 and the anode of a voltage stabilizing diode W2;
the 3 pins of the photoelectric switch EDK are connected with the cathode of a voltage stabilizing diode W3, one end of a resistor R6 and one end of a resistor R7;
the other end of the capacitor C5, the other end of the resistor R4, the cathode of the voltage stabilizing diode W2, and the pin 2 of the photoelectric switch EDK are connected with a point E of a circuit zero line.
4. A power supply no electrical trip switch as in claim 3, wherein: the electroless trip negative current amplification trigger circuit consists of a PNP triode, a resistor R1, a resistor R2, a power failure electroless trip switch K3, a diode D1, a capacitor C2 and a capacitor C3, and the PNP triode, the resistor R1, the resistor R2, the power failure electroless trip switch K3, the diode D1, the capacitor C2 and the capacitor C3 form a negative control current discharge circuit; the PNP triode comprises a b pole, an e pole and a c pole; the 4 pins of the photoelectric switch EDK are connected with a resistor R1, a resistor R2, a capacitor C3 and one end of the anode of a diode D1, and the other end of the resistor R1 is connected to the b pole of the PNP triode;
the negative electrode of the diode D1 is connected with a pin 2 of the power failure no-trip switch K3 and one end of a capacitor C2, the power failure no-trip switch K3 and the capacitor C2 are connected in series, and the other end of the power failure no-trip switch K3 is connected with an e electrode of a PNP triode;
and the other ends of the capacitor C2, the resistor R2 and the capacitor C3 are connected with a point E of a zero line of the circuit.
5. A power supply no electrical trip switch as in claim 4, wherein: the silicon controlled direct-current high-voltage switching circuit consists of a silicon controlled BT1 and a capacitor C1, and the silicon controlled BT1 comprises a G pole, a K pole and an A pole; the C pole of the PNP triode is connected with the G pole of the controlled silicon BT1 and one end of a capacitor C1, and the other end of the capacitor C1 is connected with a zero line E point of the circuit; the K pole of the controlled silicon BT1 is connected with the E point of the zero line of the circuit, and the negative pole of the capacitor C7 is connected with the K pole of the controlled silicon BT 1.
6. A power supply no electrical trip switch as in claim 5, wherein: the double-line linkage tripping switch is a tripping linkage mechanism QP.
7. A power supply no electrical trip switch as in claim 6, wherein: the tripping interlocking mechanism QP consists of an interlocking switch K1, an interlocking switch K2, a tripping electromagnetic coil VH and an overload electromagnetic coil AH; the output end of the interlocking switch K1 is connected with a live wire L3, the output end of the interlocking switch K1 is connected with one end of a tripping electromagnetic coil VH, and the other end of the tripping electromagnetic coil VH is connected with the A pole of a silicon controlled rectifier BT 1; the output end of the interlocking switch K2 is connected with one end of an overload electromagnetic coil AH, and the other end of the overload electromagnetic coil AH is connected with a zero line N4.
8. A power supply no electrical trip switch as in claim 7, wherein: the power supply input circuit comprises a live wire end L1 and a zero line end N2 which are arranged at the alternating current input end, the live wire end L1 is connected with the access end of the linkage switch K1, and the zero line end N2 is connected with the access end of the linkage switch K2.
9. A power supply no electrical trip switch as in claim 3, wherein: the high-low voltage direct current power supply output circuit and the power-on tripping-free positive voltage output circuit are connected between the live wire L3 and the zero wire N4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911576.4U CN212183104U (en) | 2020-05-26 | 2020-05-26 | Power supply electroless trip switch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020911576.4U CN212183104U (en) | 2020-05-26 | 2020-05-26 | Power supply electroless trip switch |
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| CN212183104U true CN212183104U (en) | 2020-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509666A (en) * | 2020-05-26 | 2020-08-07 | 广东顺德锐铂汇电子科技有限公司 | Power supply electroless trip switch |
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2020
- 2020-05-26 CN CN202020911576.4U patent/CN212183104U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509666A (en) * | 2020-05-26 | 2020-08-07 | 广东顺德锐铂汇电子科技有限公司 | Power supply electroless trip switch |
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