CN111509666B - Power supply electroless trip switch - Google Patents
Power supply electroless trip switch Download PDFInfo
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- CN111509666B CN111509666B CN202010456451.1A CN202010456451A CN111509666B CN 111509666 B CN111509666 B CN 111509666B CN 202010456451 A CN202010456451 A CN 202010456451A CN 111509666 B CN111509666 B CN 111509666B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
Abstract
The invention discloses a power supply electroless trip switch, wherein a power supply input circuit is connected with an access end of a double-wire linkage trip switch, an output end of the double-wire linkage trip switch is connected with a power supply output circuit, the power supply output circuit is connected with a high-low voltage direct current power supply output circuit and a charged or non-tripped positive voltage output circuit, the charged or non-tripped positive voltage output circuit is connected with an electroless trip negative current amplification trigger circuit, the electroless trip 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 the double-wire linkage trip switch; the high-low voltage direct current power supply output circuit is connected with the electrified non-tripping positive voltage output circuit, the non-electrified 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 invention relates to a switching circuit, in particular to a power supply non-electric tripping 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: an old man in a certain cell uses the electric heater to warm, forgets to turn off a power switch of the heater to go out due to sudden power failure, and recovers to power in a home because no one is at home and the heater is overheated to cause a fire accident 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.
Disclosure of Invention
In order to solve the technical problem, the invention provides a power supply electroless trip switch capable of automatically tripping in case of power failure.
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 at the alternating current output end; the high-low voltage direct current power supply output circuit consists of a diode D4, 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 the 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 the capacitor C7, two ends of the resistor R6 are connected with the voltage stabilizing diode W3 in parallel, the cathode of the voltage stabilizing diode W3 is connected with one end of the resistor R7 and one end of the 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 with a zero line E point of the circuit.
The preferable technical scheme is further as follows: the positive voltage output circuit with or without tripping under the condition of power supply consists of 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 to two ends of the resistor R4 in series;
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;
a pin 3 of the photoelectric switch EDK is connected with the cathode of the voltage stabilizing diode W3, one end of the resistor R6 and one end of the 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 circuit zero line E point.
The preferable technical scheme is further as follows: the no-power-trip negative current amplification trigger circuit consists of a PNP triode, a resistor R1, a resistor R2, a power-failure no-trip switch K3, a diode D1, a capacitor C2 and a capacitor C3, and the negative control current amplification trigger circuit consists of a negative control current amplifier 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 pole of the PNP triode;
and the other ends of the capacitor C2, the resistor R2 and the capacitor C3 are connected with a circuit zero line E point.
The preferable technical scheme is further as follows: the silicon controlled rectifier direct-current high-voltage switch circuit consists of a silicon controlled rectifier BT1 and a capacitor C1, wherein the silicon controlled rectifier 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 circuit zero line E point; 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 linkage switch K1 is connected with a live wire L3, the output end of the linkage 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 an A pole of a silicon controlled rectifier BT 1; the output end of the linkage 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 input circuit comprises a live wire end L1 and a zero line end N2 of an alternating current input end, the live wire end L1 is connected with an access end of the linkage switch K1, and the zero line end N2 is connected with an access end of the linkage switch K2.
The preferred technical scheme is further as follows: and 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 power supply electroless trip switch has the beneficial effects that: 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 block circuit diagram of a product no-power trip switch of the present invention;
FIG. 2 is a circuit schematic of the product of the present invention without an electrical trip switch;
FIG. 3 is a block diagram of the circuit of the no-power leakage trip switch of the present invention;
fig. 4 is a circuit schematic diagram of the product of the invention without power and leakage trip switch.
The power supply circuit comprises a power supply input circuit 1, a double-wire linkage tripping switch 2, an electric 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, an electrified or non-tripped positive voltage output circuit 6, an electric leakage tripping positive current amplification trigger circuit 7, a non-electrified 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 trip switch 2; 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 at the alternating current output end; the high-low voltage direct current power supply output circuit consists of a diode D4, 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 the 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 the capacitor C7, two ends of the resistor R6 are connected with the voltage stabilizing diode W3 in parallel, the cathode of the voltage stabilizing diode W3 is connected with one end of the resistor R7 and one end of the 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 with a zero line E point of the circuit.
The positive voltage output circuit with or without tripping under the power supply consists of 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 to two ends of the resistor R4 in series;
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;
a pin 3 of the photoelectric switch EDK is connected with the cathode of the voltage stabilizing diode W3, one end of the resistor R6 and one end of the 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 circuit zero line E point.
The no-power-trip negative current amplification trigger circuit consists of a PNP triode, a resistor R1, a resistor R2, a power-failure no-trip switch K3, a diode D1, a capacitor C2 and a capacitor C3, and the negative control current amplification trigger circuit consists of a negative control current amplifier 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 the 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 pole of the PNP triode;
and the other ends of the capacitor C2, the resistor R2 and the capacitor C3 are connected with a circuit zero line E point.
The silicon controlled direct-current high-voltage switching 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 circuit zero line E point; 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 linkage switch K1 is connected with a live wire L3, the output end of the linkage 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 an A pole of a silicon controlled rectifier BT 1; the output end of the interlock 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 input circuit comprises a live wire end L1 and a zero line end N2 of an alternating current input end, the live wire end L1 is connected with an access end of the linkage switch K1, and the zero line end N2 is connected with an access end of the linkage switch K2.
And 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 silicon controlled BT1 are connected with a zero line E point; the anode of the voltage-stabilizing diode W3 and the other end of the resistor R6 are connected with a zero line E point; 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 zero line E point.
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 on a live wire L3 and a zero line 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 the silicon controlled rectifier BT1 to control the linkage switch K1 and the linkage switch K2 to trip and cut off power, so that instant electric energy is provided.
When the live wire L3 and the zero line N4 have output voltages, two ends of the resistor R4 have direct-current voltages, the value of the direct-current voltage depends on the resistor R4 and a voltage regulator tube of a voltage regulator diode W2, the capacitor C5 can stabilize the voltage of two ends of the resistor R4, the working 3 pins and 4 pins 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 to two ends of the capacitor C7 after being connected in series, 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 5 volts, and the voltage provides electroless tripping. The capacitor C7 is a high-voltage energy storage capacitor.
When a live wire L3 and a zero line N4 have voltage, 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, the other end of the resistor R1 is connected to a b pole of a PNP triode, the PNP triode is a current amplifier controlled by a negative current, the PNP triode does not work, the pin 4 of the EDK outputs the positive voltage to be connected with a positive pole of a diode D1, the negative pole of the diode D1 charges a capacitor C2, and the positive voltage of the capacitor C2 is connected to an e emitting pole of the PNP triode through a power failure non-tripping switch K3; when the live wire L3 and the zero line N4 are in power failure, the 3 pins and the 4 pins 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 rectifier BT1, the silicon controlled rectifier BT1 works, the A anode and the K cathode of the silicon controlled rectifier 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 magnetic 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 in linkage tripping and power failure.
When the linkage switch K1 and the linkage switch K2 are connected in a linkage manner, an alternating current voltage is output from 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, the voltage value depends on the voltage stabilizing values of the resistor R4 and a voltage stabilizing diode W2, the capacitor C5 enables the voltage at two ends of the resistor R4 to be more pure and 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, the pin 3 and the pin 4 of the photoelectric switch EDK are conducted, so that the positive voltage provided for a cathode W3 of a voltage stabilizing tube is obtained from a positive connecting point of the capacitor C3, the resistor R1, the resistor R2 and the diode D1, a b pole of the PNP triode obtains a positive voltage through the resistor R1, the PNP triode is a bias current amplification, and the PNP triode does not work, and the capacitor C2 conducted by the diode D1 and the negative voltage is connected with the electrode e of the non-tripping switch K3 to obtain a positive voltage; when power is off, the live wire L3 and the zero line N4 have no voltage, the diode D4 has no current, 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 E point circuit zero line connected with the resistor R1 in series connection with the resistor R2, the PNP triode works, the E emitting electrode and the C collecting electrode of the PNP triode are conducted, the positive voltage of the capacitor C2 of the energy storage is connected with the E emitting electrode and the C collecting electrode of the PNP triode through the power-off no-trip switch K3 switch (the pin 2 and the pin 1 of the electric no-trip switch K3 switch are conducted), the positive voltage of the capacitor C2 of the PNP triode is connected with the C collecting electrode to provide a positive pulse trigger electric signal to the G trigger electrode of the silicon controlled BT1, the A anode and the K cathode of the silicon controlled BT1 are conducted, the tripping electromagnetic coil VH can obtain high voltage from the capacitor C7 of the tripping from the energy storage, the tripping electromagnetic coil VH, the electromagnetic field, the tripping mechanism is produced, and the strong electromagnetic field pulls the tripping mechanism, and the linkage switch K1, so as to drive the QP linkage to cut off.
The capacitor C1 and the capacitor C2 are interference-amplifying capacitors, the working stability of the circuit is improved, the b-pole voltage signal input of the PNP triode is negative control conduction, and the live wire L3 and the zero wire N4 are 110-volt or 220-volt power supply outputs; the b-pole voltage signal input of the PNP triode is positive voltage, the PNP triode does not work, the live wire L3 and the zero wire N4 are powered off without a 110-volt or 220-volt power supply, the b-pole voltage signal input 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 at the 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; the one end and the live wire L3 of electric leakage inspection switch K4 are connected, and the other end is connected with the one end of electric leakage inspection coil TA, and the other end and the one end of resistance R9 of electric leakage inspection coil TA are connected, and the other end and the zero line N4 of resistance R9 are connected.
The high-low voltage direct current power supply output circuit consists of a diode D4, 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 the 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 the capacitor C7, two ends of the resistor R6 are connected with the voltage stabilizing diode W3 in parallel, the cathode of the voltage stabilizing diode W3 is connected with one end of the resistor R7 and one end of the 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 or without tripping under power supply consists of 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 to two ends of the resistor R4 in series; 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; a pin 3 of the photoelectric switch EDK is connected with the cathode of the voltage stabilizing diode W3, one end of the resistor R6 and one end of the 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 circuit zero line E point.
The no-power-trip negative current amplification trigger circuit consists of a PNP triode, a resistor R1, a resistor R2, a power-failure no-trip switch K3, a diode D1, a capacitor C2 and a capacitor C3, and the negative control current amplification trigger circuit consists of a negative control current amplifier 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 pole of the PNP triode; the other ends of the capacitor C2, the resistor R2 and the capacitor C3 are connected with a circuit zero line E point; 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 pole 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 capacitor C4, the positive pole of the voltage stabilizing diode W1 and the other end of 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 a voltage induction coil TC; the e pole of the NPN triode is connected with the anode of the 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, wherein 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 a circuit zero line E point, 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 circuit zero line E point.
The double-wire linkage trip switch is a trip linkage mechanism QP, and is in the prior art, and the trip linkage mechanism QP consists of a linkage switch K1, a linkage switch K2, a trip electromagnetic coil VH and an overload electromagnetic coil AH; the output end of the linkage switch K1 is connected with a live wire L3, the output end of the linkage 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 an A pole of a silicon controlled rectifier BT 1; the output end of the linkage 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 input circuit comprises a live wire end L1 and a zero line end N2 of an alternating current input end, the live wire end L1 is connected with an access end of the linkage switch K1, and the zero line end N2 is connected with an access end of the linkage switch K2.
And 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 line N4.
And the resistor R9, the leakage detection coil TA and the leakage detection switch K4 are connected between the live wire L3 and the zero line N4 in series.
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 electric signal of PNP triode flows from e pole to c pole, and the electric signal of NPN triode flows from c pole to e pole, so that the non-electric trigger tripping circuit and the leakage trigger tripping circuit are distinguished.
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 on a live wire L3 and a zero line 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 the silicon controlled rectifier BT1 to control the linkage switch K1 and the linkage switch K2 to trip and cut off power, so that instant electric energy is provided.
When the live wire L3 and the zero line N4 have output voltages, two ends of the resistor R4 have direct-current voltages, the value of the direct-current voltage depends on the resistor R4 and a voltage regulator tube of a voltage regulator diode W2, the capacitor C5 can stabilize the voltage of two ends of the resistor R4, the working 3 pins and 4 pins 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 to two ends of the capacitor C7 after being connected in series, 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 5 volts, and the voltage provides electroless tripping. The capacitor C7 is an energy storage capacitor.
When voltage exists in 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 b pole of a PNP triode through the other end of the 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 to be connected with a positive pole of a diode D1, the negative pole of the diode D1 charges a capacitor C2, and the positive voltage of the capacitor C2 is connected to an e emitting pole of the PNP triode through a power failure no-trip switch K3; when the live wire L3 and the zero line N4 are in power failure, the 3 pins and the 4 pins 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 rectifier BT1 through the diode D2, the silicon controlled rectifier BT1 works, the A anode and the K cathode of the silicon controlled rectifier BT1 are conducted, the tripping electromagnetic coil VH obtains high voltage of the capacitor C7 from stored energy, the electromagnetic coil tripping VH generates a strong magnetic 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 trip and cut off power.
When the linkage switch K1 and the linkage switch K2 are connected in a linkage manner, an alternating 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, the voltage value depends on the voltage stabilizing values of the resistor R4 and a voltage stabilizing diode W2, the capacitor C5 enables the voltage at two ends of the resistor R4 to be more pure and 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, the pin 3 and the pin 4 of the photoelectric switch EDK are conducted, so that the positive voltage provided for a cathode W3 of a voltage stabilizing tube is obtained from a positive connecting point of the capacitor C3, the resistor R1, the resistor R2 and the diode D1, a b pole of the PNP triode obtains a positive voltage through the resistor R1, the PNP triode is a bias current amplification, and the PNP triode does not work, and the capacitor C2 capable of conducting and the negative voltage storage of the diode D1 and the non-tripping switch K3 are connected to obtain a positive voltage; when power is off, the live wire L3 and the zero line N4 have no voltage, the diode D4 has no current, 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 E point circuit zero line connected with the resistor R1 in series connection with the resistor R2, the PNP triode works, the E emitting electrode and the C collecting electrode of the PNP triode are conducted, the positive voltage of the capacitor C2 of the energy storage is connected with the E emitting electrode of the PNP triode through the power-off no-trip switch K3 switch (the pin 2 and the pin 1 of the power-off no-trip switch K3 switch are conducted), the E emitting electrode of the PNP triode is connected with the C collecting electrode through the diode D2 to provide a positive pulse trigger electric signal to the G trigger electrode of the silicon controlled rectifier BT1, the A anode and the K cathode of the silicon controlled rectifier BT1 are conducted, the tripping electromagnetic coil VH can obtain high voltage from the capacitor C7 from the energy storage, the high voltage, the tripping electromagnetic coil VH can generate a strong electromagnetic field pulls the tripping mechanism, and the tripping switch linkage is linked with the linkage mechanism to break the linkage.
The capacitor C1 and the capacitor C2 are interference-amplifying capacitors, the working stability of the circuit is improved, the b-pole voltage signal input of the PNP triode is negative control conduction, and the live wire L3 and the zero wire N4 are 110-volt or 220-volt power supply outputs; the b electrode voltage signal input of PNP triode is positive voltage, PNP triode does not work, live wire L3, zero line N4 have no power failure 110 volt or 220 volt power, the b electrode voltage signal input of PNP triode changes into negative voltage, the PNP triode works.
The leakage detection is composed of a resistor R9, a leakage detection coil TA and a leakage detection switch K4 and is used for verifying whether the leakage detection switch K4 trips or not during leakage. The leakage induction voltage output is composed of a voltage induction magnetic ring TE and a voltage induction coil TC, and when the live line L3 or the zero line N4 leaks electricity to the ground, the voltage induction coil TC has induction voltage output.
The anti-crosstalk circuit comprises a diode D2 and a diode D3, wherein the diode D2 is used for outputting an electroless tripping electric signal, the diode D3 is used for outputting an electric 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 switched on, alternating voltage is output on a live wire L3 and a zero line N4, when the alternating voltage output on 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, the 2 pin voltage of the voltage induction coil TC is connected with a zero line E point of the circuit, the voltage of the 1 pin of the voltage induction coil TC is transmitted to a b pole of an NPN triode through a current limiting resistor R8 to amplify current, an emitter E of the NPN triode outputs positive voltage, the positive voltage is transmitted to a trigger pole G of the 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, a tripping electromagnetic coil VH obtains high voltage from a capacitor C7 of energy storage, the tripping electromagnetic coil VH is linked to generate a linkage magnetic field, and the tripping VH is linked to pull the linkage magnetic field, and the tripping mechanism QP causes the switch K1 and the switch K2 and the switch to trip. The capacitor C4 and the resistor R3 are a bias capacitor and a resistor of a b pole of the NPN triode, the working stability of the NPN triode is improved, the voltage stabilizing diode W1 prevents the NPN triode from being damaged by overhigh induced voltage of the voltage induction coil TC, and 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 is sent to the negative pole through the pins 3 to 4 of the photoelectric switch EDK. The resistor R6 is a voltage reduction shunt resistor, and the voltage stabilizing diode W3 stabilizes the voltage at two ends of the resistor R6, the voltage is 5V, and the working voltage of the circuit 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 line 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 inspection coil TA and the leakage inspection switch K4 are connected in series and respectively connected to the power output ends of a live wire L3 and a zero line N4, the simulation of a leakage state is realized by pressing a normally open switch of the leakage inspection switch K4, current passes through the leakage inspection coil TA of the leakage inspection switch K4, a voltage induction magnetic ring TE generates an electromagnetic field, a voltage is induced by the voltage induction coil TC to generate voltage, the voltage of a pin 1 of the voltage induction coil TC is transmitted to a pole b of an NPN triode through a current-limiting resistor R8 to be amplified, an emitting electrode E of the NPN triode outputs a positive voltage, the positive voltage is transmitted to a trigger electrode G of a silicon controlled BT1 through a negative electrode of a diode D3, an anode A of the silicon controlled BT1 is communicated with a cathode K, the tripping electromagnetic coil VH obtains high voltage from a capacitor C7 of an energy storage, the linkage electromagnetic coil VH generates a strong magnetic field, and the strong magnetic field pulls a tripping mechanism QP to enable the tripping switch K1 and the K2 to be powered off.
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 an electric leakage tripping positive current amplification trigger module or an electric leakage tripping positive current amplification trigger unit.
The above examples 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 to the technical solution of the present invention 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 (4)
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 the incoming end of double-line interlock trip switch, and the output and the power output circuit of double-line interlock trip switch are connected which 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 a current tripping-free positive voltage output circuit, a current tripping-free negative current amplification trigger circuit and a silicon controlled direct current high-voltage switch circuit;
the power output circuit is a live wire L3 and a zero wire N4 at the alternating current output end;
the high-low voltage direct current power supply output circuit consists of a diode D4, 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 the diode D4, the anode of the diode D4 is connected with the resistor R4, the other end of the resistor R4 is connected with the cathode of the capacitor C7, and the anode of the capacitor C7 is connected with the 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 the capacitor C7, two ends of the resistor R6 are connected with the voltage stabilizing diode W3 in parallel, the cathode of the voltage stabilizing diode W3 is connected with one end of the resistor R7 and one end of the 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 electrode of the capacitor C7 is connected with a circuit zero line E point;
the positive voltage output circuit with or without tripping under the power supply consists of 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 to two ends of the resistor R4 in series;
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;
a pin 3 of the photoelectric switch EDK is connected with the cathode of the voltage stabilizing diode W3, one end of the resistor R6 and one end of the 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 a pin 2 of the photoelectric switch EDK are connected with a circuit zero line E point;
the no-power-trip negative current amplification trigger circuit consists of a PNP triode, a resistor R1, a resistor R2, a power-failure no-trip switch K3, a diode D1, a capacitor C2 and a capacitor C3, and the negative control current amplification trigger circuit consists of a negative control current amplifier 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 pole of the PNP triode;
the other ends of the capacitor C2, the resistor R2 and the capacitor C3 are connected with a circuit zero line E point;
the thyristor direct-current high-voltage switching circuit consists of a thyristor BT1 and a capacitor C1, wherein the thyristor 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 circuit zero line E point; 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-line linkage tripping switch is a tripping linkage mechanism QP.
2. A power supply no electrical trip switch as in claim 1, 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 linkage switch K1 is connected with a live wire L3, the output end of the linkage 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 an A pole of a silicon controlled rectifier BT 1; the output end of the linkage 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.
3. A power supply no electrical trip switch as in claim 2, wherein: the power supply input circuit comprises a live wire end L1 and a zero line end N2 of an alternating current input end, the live wire end L1 is connected with an access end of the linkage switch K1, and the zero line end N2 is connected with an access end of the linkage switch K2.
4. A power supply no electrical trip switch as in claim 1, wherein: and 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.
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