CN106847582B - Arc extinguishing power device driving device and arc-control device - Google Patents

Arc extinguishing power device driving device and arc-control device Download PDF

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Publication number
CN106847582B
CN106847582B CN201710029448.XA CN201710029448A CN106847582B CN 106847582 B CN106847582 B CN 106847582B CN 201710029448 A CN201710029448 A CN 201710029448A CN 106847582 B CN106847582 B CN 106847582B
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China
Prior art keywords
power device
transistor
voltage detection
switch
arc extinguishing
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CN201710029448.XA
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CN106847582A (en
Inventor
郭桥石
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GUANGZHOU JINSHI ELECTRONICS CO Ltd
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GUANGZHOU JINSHI ELECTRONICS CO Ltd
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Priority claimed from CN201610116841.8A external-priority patent/CN105610301A/en
Application filed by GUANGZHOU JINSHI ELECTRONICS CO Ltd filed Critical GUANGZHOU JINSHI ELECTRONICS CO Ltd
Priority to KR1020187024483A priority Critical patent/KR101978286B1/en
Priority to US16/072,142 priority patent/US10468207B2/en
Priority to EP17741085.9A priority patent/EP3407368B1/en
Priority to AU2017209635A priority patent/AU2017209635B2/en
Priority to PCT/CN2017/071791 priority patent/WO2017125054A1/en
Priority to JP2018557182A priority patent/JP6596781B2/en
Publication of CN106847582A publication Critical patent/CN106847582A/en
Publication of CN106847582B publication Critical patent/CN106847582B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices
    • H01H9/542—Contacts shunted by static switch means

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  • Power Conversion In General (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

Arc extinguishing power device driving device of the present invention and arc-control device belong to electricity field,Particularly a kind of arc extinguishing power device driving device for the driving power device for being suitable for using in electronic arc-suppressor,The power device of required driving is in parallel with the mechanical switch of required arc extinguishing,It includes first voltage detection switch,The input terminal of the first voltage detection switch is connected with the power device both ends,The first voltage detection switch is connected in the driving circuit of the power device,The first voltage detection switch is detecting that there are turned on during potential difference at the power device both ends,Drive signal is transferred to the power device by the first voltage detection switch,The power device is driven to turn on,The first voltage detection switch is the full-controlled switch of half control type switch or threshold value less than the on state voltage of the power device,The present invention has the semiconductor devices without high pressure,And machinery can be detected in real time and switched off,The advantages of driving energy consumption low.

Description

Arc extinguishing power device driving device and arc-control device
Technical field
Arc extinguishing power device driving device of the present invention and arc-control device belong to electricity field, and particularly one kind is suitable in machine The arc extinguishing power device driving device of the driving power device used in the electronic arc-suppressor of tool switch, one kind are opened for machinery Close the arc-control device of arc extinguishing.
Background technology
At present in electric-control system, when relay carries out disjunction control when mechanical switch to load, its breaking arc is big, deposits The electric life of mechanical switch is very short the shortcomings that, also occur utilizing the power device electronic arc eliminating in parallel with mechanical switch for this Device, such as Patent No. CN01201907.0, entitled " electronic arc-control device "；Patent No. CN200910306608.6, title For " mixing type alternating contactor passive switch driving controller based on optocoupler ", two patents are revealed, using thyristor （Power device）The control coil connection of the mode in parallel with contactor mechanical switch, control circuit and contactor, contactor machine Before tool switch disjunction, there is provided have the control signal of control turn on thyristors, in the control coil dead electricity of contactor, work as mechanical switch In separation, turn on thyristors, by the filter capacitor discharge lag of control circuit, the control of time delayed turn-off turn on thyristors is believed Number, thyristor cut-off, completes no electric arc breaking course.
Above electronic arc-suppressor has the following disadvantages：
Before contactor mechanical switch disconnects, control circuit needs to be provided previously by the control signal of control turn on thyristors.
Thyristor（Power device）Drive signal provided by its major loop by semiconductor switch, semiconductor switch is pressure-resistant It is required that high, reliability is low, easy breakdown.
The content of the invention
Shortcoming it is an object of the invention to be driven for existing electronic arc eliminating power device provides a kind of without resistance to Pressure request and can detect in real time machinery switch off, a kind of cost-effective arc extinguishing power device driving device and arc-control device.
Achieve the object of the present invention by the following technical programs to reach：
A kind of arc extinguishing power device driving device, the power device of required driving is in parallel with the mechanical switch of required arc extinguishing, It includes first voltage detection switch, and the input terminal of first voltage detection switch is connected with power device both ends, first voltage inspection Slowdown monitoring switch is connected in the driving circuit of power device, and first voltage detection switch is detecting that there are current potential at power device both ends Turned on when poor, drive signal is transferred to power device, driving power break-over of device, first voltage by first voltage detection switch Detection switch is the full-controlled switch of half control type switch or threshold value less than the on state voltage of power device.
Arc extinguishing power device driving device, the input circuit of first voltage detection switch, first voltage detection switch it is defeated Go out nonisulated isolation between circuit, power device.
A kind of arc extinguishing power device driving device, first voltage detection switch include the second current limiting element, semiconductor switch, The potential difference signal at power device both ends is transferred to the control terminal of semiconductor switch, semiconductor switch string by the second current limiting element It is associated in driving circuit, the second current limiting element is a resistance or a capacitance.
A kind of arc extinguishing power device driving device, semiconductor switch are the circuit of transistor driving thyristor equivalent circuit, Or thyristor equivalent circuit, or a thyristor.
A kind of arc extinguishing power device driving device, thyristor equivalent circuit or Thyristors in series are in driving circuit.
A kind of arc extinguishing power device driving device, thyristor equivalent circuit include a PNP transistor, a NPN type crystal Pipe, the base stage of PNP transistor and the collector of NPN transistor connect, collector and the NPN type crystal of PNP transistor The base stage connection of pipe, the emitter of PNP transistor, the emitter of NPN transistor are connected in driving circuit.
A kind of arc extinguishing power device driving device, including the first capacitance, the control terminal and power of first voltage detection switch The first end connection of device, the first capacitance are formed and driven by first voltage detection switch and the second end of power device, the 3rd end Dynamic circuit, the first capacitance connection one are used for switch or the first current limiting element to the charging of the first capacitance.
A kind of arc extinguishing power device driving device, first voltage detection switch are discharged to the first capacitance first voltage detection The minimum conducting electric current of switch.
A kind of arc extinguishing power device driving device, power device are a unidirectional thyristor or a bidirectional thyristor, are further included One one way conducting device, the first voltage-stabilizing device, the first current limiting element, one way conducting device, the first capacitance are in series series electrical Road, one end of series circuit are connected with power supply, and the other end of series circuit and the 3rd end of power device connect, the first electricity Hold and driving circuit, the first voltage stabilizing are formed by the 3rd end of first voltage detection switch, the second end of power device, power device Device is in parallel with the first capacitance or the first voltage-stabilizing device is in parallel with the first capacitance by one way conducting device.
A kind of arc extinguishing power device driving device, first voltage detection switch are full wave voltage detection circuit.
A kind of arc extinguishing power device driving device, power supply is as the non-isolated offer of the power grid where power device.
A kind of arc extinguishing power device driving device, power supply for the neutral conductor or relative to power device the 3rd end it is another One phase power supply.
A kind of arc-control device, including the arc extinguishing power device driving device described in any of the above, further include power device, One pin, second pin, the 3rd pin, arc extinguishing power device driving device, power device package are in an insulating materials, and first The first end with power device, the 3rd end of power device are connected respectively for pin, second pin, the 3rd pin and series circuit First current limiting element end connects.
A kind of arc extinguishing power device driving device, further includes the second capacitance, the first optoelectronic switch, first voltage detection switch For voltage zero-cross detection switch, the first capacitance by the first optoelectronic switch, first voltage detection switch, power device second End, the 3rd end of power device form driving circuit, before mechanical switch closure, the conducting of the first optoelectronic switch, the first capacitance Electric charge gives the second capacitive energy storage by the first optoelectronic switch, and when first voltage detection switch turns on, the electric charge of the first capacitance leads to The first optoelectronic switch, first voltage detection switch driving power break-over of device are crossed, then mechanical switch closes, first voltage detection Switch cut-off, in mechanical switch disjunction, the first optoelectronic switch cut-off, first voltage detection switch turns on, and the second capacitance passes through First voltage detection switch driving power break-over of device.
A kind of arc extinguishing power device driving device, the control terminal of the first optoelectronic switch pass through a current limiting element and mechanical switch Control terminal connection.
A kind of arc extinguishing power device driving device, including the second optoelectronic switch, the second optoelectronic switch are band thyristor output Photoelectrical coupler, or photoelectrical coupler driving thyristor equivalent circuit, the control terminal of the second optoelectronic switch examine with first voltage Slowdown monitoring switch connects, and the second optoelectronic switch output terminal is connected with the control coil of mechanical switch.
A kind of arc extinguishing power device driving device, power device are thyristor, and first voltage detection switch includes the second limit Fluid element, the first transistor, second transistor, third transistor, the 4th transistor, the emitter of second transistor and the 3rd crystalline substance The emitter of the base stage connection of body pipe, the base stage of second transistor and third transistor connects, the collector of second transistor with The base stage connection of the first transistor, the base stage of the 4th transistor and the collector of third transistor connect, the collection of the 4th transistor The emitter of electrode and second transistor connects, and the emitter of the 4th transistor and the base stage of the first transistor connect, and second is brilliant The base stage of body pipe is connected by the first end of the second current limiting element and power device, the emitter and power device of second transistor The 3rd end connection, the emitter of the first transistor, the collector of the first transistor are connected in driving circuit.
A kind of arc extinguishing power device driving device, further includes the 5th transistor, the base stage and first crystal of the 5th transistor The collector connection of pipe, the collector of the 5th transistor and the base stage of the first transistor connect, the emitter string of the 5th transistor It is associated in driving circuit.
A kind of arc extinguishing power device driving device, power device are thyristor, and first voltage detection switch includes the second limit Fluid element, the first transistor, second transistor, third transistor, the 4th transistor, the emitter of second transistor and the 3rd crystalline substance The emitter of the base stage connection of body pipe, the base stage of second transistor and third transistor connects, the collector of second transistor with The base stage connection of the first transistor, the base stage of the 4th transistor and the collector of third transistor connect, the collection of the 4th transistor The emitter of electrode and second transistor connects, and the emitter of the 4th transistor and the base stage of the first transistor connect, and second is brilliant The base stage of body pipe is connected by the first end of the second current limiting element and power device, the collector of the first transistor and the second crystal The base stage connection of pipe, the emitter of second transistor and the second end of power device connect, the emitter of the first transistor, second The emitter of transistor is connected in the driving circuit of power device.
A kind of arc extinguishing power device driving device, further includes second voltage detection switch；First voltage detection switch, power The second end of device, the 3rd end of power device form power device driving circuit；The control terminal of first voltage detection switch with The first end connection of power device；Second voltage detection switch the both ends second end with power device, the of power device respectively Three ends connect.
A kind of arc extinguishing power device driving device, second voltage detection switch and first voltage detection switch are in series the One series circuit, the control terminal of second voltage detection switch are connected with the first voltage detection switch end of the first series circuit.
A kind of arc extinguishing power device driving device, second voltage detection switch cannot meet power in the voltage of drive signal Turned on during device saturation conduction.
A kind of arc extinguishing power device driving device, second voltage detection switch include resistance, transistor.
A kind of arc extinguishing power device driving device, second voltage detection switch include the 3rd voltage-stabilizing device, the 6th transistor, 7th transistor, the 11st resistance, the 12nd resistance, the 13rd resistance, the collector of the 6th transistor and the 7th transistor Base stage connects, and the collector of the 6th transistor is connected by the 12nd resistance with the collector of the 7th transistor, the 7th transistor Collector, the 7th transistor transmitting extremely second voltage detection switch main circuit terminal, the 13rd resistance, the 3rd voltage-stablizer Part, the base stage of the 6th transistor and the emitter of the 6th transistor are in series the 4th series circuit, the 4th series circuit and the One capacitance is in parallel, and the base stage with the 6th transistor, the emitter of the 6th transistor are connected respectively at the both ends of the 11st resistance, and the 6th The emitter of transistor is connected with the emitter of the 7th transistor.
A kind of arc extinguishing power device driving device, second voltage detection switch include the 3rd voltage-stabilizing device, the 6th transistor, 7th transistor, the 11st resistance, the 12nd resistance, the 13rd resistance, the 4th capacitance, the collector and the 7th of the 6th transistor The base stage connection of transistor, the collector of the 6th transistor are connected by the 12nd resistance with the collector of the 7th transistor, the The collector of seven transistors, the 7th transistor transmitting extremely second voltage detection switch main circuit terminal, the 13rd resistance, the Three voltage-stabilizing devices, the base stage of the 6th transistor and the emitter of the 6th transistor are in series series circuit, series circuit and the The main circuit terminals of two voltage detection switch is in parallel, the both ends of the 11st the resistance base stage with the 6th transistor, the 6th crystal respectively The emitter connection of pipe, the emitter of the 6th transistor are connected with the emitter of the 7th transistor, the both ends difference of the 4th capacitance The emitter of base stage, the 7th transistor with the 7th transistor is connected.
A kind of arc extinguishing power device driving device, including the first semiconductor switch, the first current limiting element, the first capacitance, the Semiconductor switch, the first capacitance, the first current limiting element are sequentially connected in series into the second series circuit, the second series circuit and machinery The load of switch is in parallel, and the first semiconductor switch end of the second series circuit and the 3rd end of power device connect, and the first half lead Body switch, the common end of the first capacitance are connected with the second end of power device, and the first semiconductor switch, the first capacitance are in series The 3rd series circuit it is in parallel with first voltage detection switch.
A kind of arc extinguishing power device driving device, including the first voltage-stabilizing device, the first voltage-stabilizing device are in parallel with the first capacitance Or first voltage-stabilizing device it is in parallel with the first capacitance by the first semiconductor switch.
A kind of arc extinguishing power device driving device, the first semiconductor switch are a diode, diode cathode and the first electricity Hold connection, power device is used for direct current arc extinguishing.
A kind of arc extinguishing power device driving device, first voltage detection switch include a trigger switch, a transistor, the 3rd Capacitance, trigger switch is in parallel with the 3rd series circuit, the potential difference between the 3rd end of power device, the first end of power device Signal is transferred to the trigger electrode of trigger switch after amplifying by the 3rd capacitance, transistor.
A kind of arc extinguishing power device driving device, trigger switch are a thyristor or a thyristor equivalent circuit.
A kind of arc-control device, including above-described arc extinguishing power device driving device, further include power device, first draw Foot, second pin, the 3rd pin, in an insulating materials, first draws for arc extinguishing power device driving device, power device package The first end with power device, the 3rd end of power device are connected respectively for foot, second pin, the 3rd pin and the second series circuit The first current limiting element end connection.
A kind of arc extinguishing power device driving device, further includes a photoelectrical coupler, and photoelectrical coupler is used to enable the first electricity Detection switch is pressed, the control terminal of photoelectrical coupler and the control terminal of mechanical switch connect.
A kind of arc-control device, including above-described power device driving device, further include power device, the first pin, Second pin, the 3rd pin, the 4th pin, the 5th pin, photoelectrical coupler, arc extinguishing power device driving device, power device It is encapsulated in an insulating materials, the first end with power device, the 3rd end of power device connect respectively for the first pin, second pin Connect, the 3rd pin is connected with the first current limiting element end of the second series circuit, the 4th pin, the 5th pin and photoelectrical coupler control End connection processed.
A kind of arc extinguishing power device driving device, further includes a control unit, the first photoelectrical coupler, the second photoelectric coupling Device, the output terminal of the first photoelectrical coupler, the control terminal of the second photoelectrical coupler are connected with first voltage detection switch, the second light Electric coupler output signal is connected to control unit, and the control terminal of the first photoelectrical coupler is connected with control unit.
A kind of arc extinguishing power device driving device, power device are voltage-controlled type device.
A kind of arc extinguishing power device driving device, power device are field-effect tube, or IGBT.
A kind of arc extinguishing power device driving device, power device are used for direct current arc extinguishing, further include the first semiconductor switch, One current limiting element, the first capacitance, the first semiconductor switch, the first capacitance, the first current limiting element are sequentially connected in series into the second series connection Circuit, the second series circuit is in parallel with the load of mechanical switch, the first semiconductor switch end of the second series circuit and power device The 3rd end connection of part, the first semiconductor switch, the common end of the first capacitance are connected with the second end of power device, and the first half lead The 3rd series circuit that body switch, the first capacitance are in series is in parallel with first voltage detection switch.
A kind of arc extinguishing power device driving device, first voltage detection switch include a trigger switch, a transistor, the 3rd Capacitance, trigger switch is in parallel with the 3rd series circuit, the potential difference between the 3rd end of power device, the first end of power device Signal is transferred to the trigger electrode of trigger switch after amplifying by the 3rd capacitance, transistor.
A kind of arc extinguishing power device driving device, trigger switch are a thyristor or a thyristor equivalent circuit.
A kind of arc extinguishing power device driving device, the first semiconductor switch are a diode, diode cathode and the first electricity Hold connection.
A kind of arc extinguishing power device driving device, including the first voltage-stabilizing device, the first voltage-stabilizing device are in parallel with the first capacitance Or first voltage-stabilizing device it is in parallel with the first capacitance by the first semiconductor switch.
A kind of arc extinguishing power device driving device, further includes second voltage detection switch；
First voltage detection switch, the second end of power device, the 3rd end of power device form power device and drive back Road；
The control terminal of first voltage detection switch and the first end of power device connect；
The second end with power device, the 3rd end of power device are connected respectively at second voltage detection switch both ends, and second Voltage detection switch is turned on when the voltage of drive signal cannot meet power device saturation conduction.
A kind of arc extinguishing power device driving device, power device are voltage-controlled type device.
A kind of arc extinguishing power device driving device, power device are field-effect tube, or IGBT.
A kind of arc-control device, including above-described arc extinguishing power device driving device, further include power device, first draw Foot, second pin, the 3rd pin, in an insulating materials, first draws for arc extinguishing power device driving device, power device package The first end with power device, the 3rd end of power device are connected respectively for foot, second pin, the 3rd pin and the second series circuit The first current limiting element end connection.
A kind of arc extinguishing power device driving device, further includes a photoelectrical coupler, and photoelectrical coupler is used to enable the first electricity Detection switch is pressed, the control terminal of photoelectrical coupler and the control terminal of mechanical switch connect.
A kind of arc-control device, above-described arc extinguishing power device driving device, further include power device, the first pin, Second pin, the 3rd pin, the 4th pin, the 5th pin, photoelectrical coupler, arc extinguishing power device driving device, power device It is encapsulated in an insulating materials, the first end with power device, the 3rd end of power device connect respectively for the first pin, second pin Connect, the 3rd pin is connected with the first current limiting element end of the second series circuit, the 4th pin, the 5th pin and photoelectrical coupler control End connection processed.
A kind of arc extinguishing power device driving device, as shown in Figure 1, the power device TR1 of required driving and required arc extinguishing Mechanical switch K1 is in parallel, it includes first voltage detection switch（A1）, first voltage detection switch（A1）Input terminal and power Device TR1 both ends connect, first voltage detection switch（A1）It is connected in the driving circuit of power device TR1, first voltage inspection Slowdown monitoring switch（A1）Power device TR1 both ends are being detected there are being turned on during potential difference, drive signal is opened by first voltage detection Close（A1）It is transferred to power device TR1, driving power device TR1 conductings, first voltage detection switch（A1）Switched for half control type Or the full-controlled switch of on state voltage of the threshold value less than power device TR1.
Operation principle：P4 ends input drive signal, under mechanical switch K1 closure states, first voltage detection switch（A1） Cut-off, first voltage detection switch（A1）Detecting that there are turned on during potential difference at power device TR1 both ends（Detect in real time Mechanical switch K1 is turned on when disconnecting）, drive signal passes through first voltage detection switch（A1）Power device TR1 is transferred to, is driven Power device TR1 is turned on, and is achieveed the purpose that power device TR1 real-time conductions drive arc extinguishing, without providing driving energy in advance, is subtracted Work capacity needed for few drive signal.In this first voltage detection switch（A1）Half control type can be used to switch, or using threshold The full-controlled switch of on state voltage of the value less than power device TR1.
Present invention design is reasonable, and the present invention has the semiconductor devices without high pressure, and can detect mechanical switch in real time The advantages of disconnecting, driving energy consumption low.
Brief description of the drawings
Fig. 1 is arc extinguishing power device driving device circuit diagram of the present invention.
Fig. 2 is one circuit diagram one of arc extinguishing power device driving device and arc-control device embodiment of the present invention.
Fig. 3 is the first voltage detection switch circuit diagram one of arc extinguishing power device driving device of the present invention.
Fig. 4 is the first voltage detection switch circuit diagram two of arc extinguishing power device driving device of the present invention.
Fig. 5 is one circuit diagram two of arc extinguishing power device driving device and arc-control device embodiment of the present invention.
Fig. 6 is the first voltage detection switch circuit diagram three of arc extinguishing power device driving device of the present invention.
Fig. 7 is the first voltage detection switch circuit diagram four of arc extinguishing power device driving device of the present invention.
Fig. 8 is the encapsulation schematic diagram one of arc-control device of the present invention.
Fig. 9 is two circuit diagram of arc extinguishing power device driving device and arc-control device embodiment of the present invention.
Figure 10 is the photoelectrical coupler driving thyristor equivalent circuit schematic diagram of arc extinguishing power device driving device of the present invention.
Figure 11 is arc extinguishing power device driving device of the present invention and arc-control device embodiment three-circuit schematic diagram.
Figure 12 is the first voltage detection switch circuit diagram five of arc extinguishing power device driving device of the present invention.
Figure 13 is the thyristor equivalent circuit schematic diagram of arc extinguishing power device driving device of the present invention.
Figure 14 is the second voltage detection switch circuit diagram one of arc extinguishing power device driving device of the present invention.
Figure 15 is the second voltage detection switch circuit diagram two of arc extinguishing power device driving device of the present invention.
Figure 16 is the encapsulation schematic diagram two of arc-control device of the present invention.
Figure 17 is the example IV circuit diagram of arc-control device of the present invention.
Embodiment
The embodiment one of arc extinguishing power device driving device of the present invention, as shown in Figure 2：
A kind of arc extinguishing power device driving device, the power device TR1 of required driving（Bidirectional thyristor）With required arc extinguishing Mechanical switch K1 it is in parallel, it includes first voltage detection switch（A1）, the first current limiting element R1（Resistance）, the first capacitance C1, One way conducting device D1（Diode）, the first voltage-stabilizing device Z1（Zener diode）, first voltage detection switch（A1）Control End and the first end of power device TR1（Second plate）Connection, the first current limiting element R1, one way conducting device D1, the first capacitance C1 is in series series circuit, one end of series circuit and power supply（Power supply can be for the neutral conductor or relative to power Another phase power supply at the 3rd end of device TR1）Connection, the other end of series circuit and the 3rd end of power device TR1（First sun Pole）Connection, the first capacitance C1 pass through first voltage detection switch（A1）, power device TR1 second end（Trigger electrode）, power device The 3rd end of part TR1 forms driving circuit, and the first voltage-stabilizing device Z1 is in parallel with the first capacitance C1 by one way conducting device D1（The One voltage-stabilizing device Z1 can also be directly in parallel with the first capacitance C1, but the resistance to pressure requests of one way conducting device D1 will improve）.
First voltage detection switch（A1）, can be by Fig. 3, Fig. 4 Electric circuit selection：
As shown in figure 3, first voltage detection switch（A1）For quadripole, and it is full wave voltage detection circuit, the first electricity Press detection switch（A1）Switched for half control type（It is electric for on-state of the threshold value less than power device TR1 when omitting the 5th transistor Q5 The full-controlled switch of pressure）, first voltage detection switch（A1）Including the second current limiting element R2（Resistance）, the first transistor Q1, Two-transistor Q2, third transistor Q3, the 4th transistor Q4, the 5th transistor Q5, the 4th resistance R4, the 5th resistance R5, the 6th Resistance R6, the 7th resistance R7, the 8th resistance R8, the emitter of second transistor Q2 are connected with the base stage of third transistor Q3, the The base stage of two-transistor Q2 is connected with the emitter of third transistor Q3, collector and the first transistor Q1 of second transistor Q2 Base stage connection, the base stage of the 4th transistor Q4 is connected with the collector of third transistor Q3, the collector of the 4th transistor Q4 It is connected with the emitter of second transistor Q2, the emitter of the 4th transistor Q4 is connected with the base stage of the first transistor Q1, and second The base stage of transistor Q2 is connected by the second current limiting element R2 with the first end of power device TR1, the transmitting of second transistor Q2 Pole is connected with the 3rd end of power device TR1, and emitter, the collector of the first transistor Q1 of the first transistor Q1 are connected on work( In the driving circuit of rate device TR1, the base stage of the 5th transistor Q5 is connected with the collector of the first transistor Q1, the 5th transistor The collector of Q5 is connected with the base stage of the first transistor Q1, and the emitter of the 5th transistor Q5 is connected on the drive of power device TR1 In dynamic circuit.The base stage with second transistor Q2, the emitter of second transistor Q2 are connected respectively at the both ends of 4th resistance R4, the The base stage with the first transistor Q1, the emitter of the first transistor Q1 are connected respectively at the both ends of five resistance R5, the 6th resistance R6's The base stage with the 5th transistor Q5, the emitter of the 5th transistor Q5 are connected respectively at both ends, the both ends of the 7th resistance R7 respectively with The emitter connection of the base stage of 4th transistor Q4, the 4th transistor Q4, the 8th resistance R8 be for current limliting, the 4th resistance R4, 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8 are selected as needed, first voltage detection switch（A1） Including the second current limiting element R2（For a resistance, a capacitance can also be used）, semiconductor switch（Fig. 3 is transistor circuit, also may be used With with a bidirectional thyristor, or transistor circuit as shown in Figure 4）, the potential difference signal at power device TR1 both ends passes through second Current limiting element R2 is transferred to the control terminal of semiconductor switch, and semiconductor switch is connected in driving circuit, the first transistor Q1, The circuit that two-transistor Q2, third transistor Q3, the 4th transistor Q4, the 5th transistor Q5 are connected into is transistor driving crystalline substance lock The circuit of pipe equivalent circuit, wherein the first transistor Q1（NPN transistor）, the 5th transistor Q5（PNP transistor）Connection Into thyristor equivalent circuit be connected in the driving circuit of power device TR1.
As shown in figure 4, first voltage detection switch（A1）For three terminal circuits, and it is full wave voltage detection circuit, including Two current limiting element R2（Resistance）, the first transistor Q1, second transistor Q2, third transistor Q3, the 4th transistor Q4, the 4th electricity Resistance R4, the 5th resistance R5, the emitter of the 7th resistance R7, second transistor Q2 are connected with the base stage of third transistor Q3, and second The base stage of transistor Q2 is connected with the emitter of third transistor Q3, and the collector of second transistor Q2 is with the first transistor Q1's Base stage connects, and the base stage of the 4th transistor Q4 is connected with the collector of third transistor Q3, the collector of the 4th transistor Q4 and The emitter connection of second transistor Q2, the emitter of the 4th transistor Q4 are connected with the base stage of the first transistor Q1, and second is brilliant The base stage of body pipe Q2 is connected by the second current limiting element R2 with the first end of power device TR1, the collector of the first transistor Q1 It is connected with the base stage of second transistor Q2, the emitter of second transistor Q2 is connected with the second end of power device TR1, and first is brilliant Emitter, the emitter of second transistor Q2 of body pipe Q1 is connected in the driving circuit of power device TR1.4th resistance R4's The base stage with second transistor Q2, the emitter of second transistor Q2 are connected respectively at both ends, the both ends of the 5th resistance R5 respectively with The emitter connection of the base stage of the first transistor Q1, the first transistor Q1, the both ends of the 7th resistance R7 respectively with the 4th transistor The emitter connection of the base stage of Q4, the 4th transistor Q4, the 4th resistance R4, the 5th resistance R5, the 7th resistance R7 are selected as needed With.Wherein the first transistor Q1（NPN transistor）, second transistor Q2（PNP transistor）The thyristor equivalent connected into Circuit connected in series is in the driving circuit of power device TR1.
Operation principle：Mechanical switch K1 is closed, and load RL obtains electric, and the voltage at load RL both ends passes through the first current limiting element R1, one way conducting device D1 charge to the first capacitance C1 the voltage stabilizing value for being approximately equal to the first voltage-stabilizing device Z1, as mechanical switch K1 In breaking course, first voltage detection switch（A1）Detecting that there are turned on during potential difference at power device TR1 both ends（It is i.e. real-time Detect and turned on when mechanical switch K1 is disconnected）, the first capacitance C1 passes through first voltage detection switch（A1）, power device TR1 Second end（Trigger electrode）, power device TR1 the 3rd end（The first anode）Driving circuit is formed, driving power device TR1 is turned on, Passing through first voltage detection switch（A1）Electric current be less than its minimum keep electric current when voluntarily end, i.e., first voltage detect open Close（A1）To the first capacitance C1 repid discharges to first voltage detection switch（A1）Minimum conducting electric current, power device TR1 is in electricity Stream zero point is voluntarily ended, and achievees the purpose that power device TR1 drives arc extinguishing in real time and ON time is short.
Shown in Fig. 2, power device is bidirectional thyristor, when using unidirectional thyristor, as long as shown in figure 5, related Device polarity adjusts.First voltage detection switch（A1）, circuit as shown in Figure 6, Figure 7 is referred to, shown in Fig. 6, Fig. 7 Relevant PNP transistor is simply changed to NPN transistor, NPN transistor by the difference of circuit and circuit shown in Fig. 3, Fig. 4 PNP transistor is changed to, operation principle is identical, when the unidirectional brilliant pipe driving to reverse parallel connection, only needs two present invention Driving device.Due to first voltage detection switch（A1）For full wave voltage detection circuit, each mechanical switch K1 disjunctions are gone out A unidirectional thyristor conducting is only needed during arc.Wherein riches all the way flickers arc power device driving device in the normally opened shapes of mechanical switch K1 Under state, first voltage detection switch（A1）Discharge condition can be kept to the first capacitance C1, prevent corresponding power device from leading It is logical.
A kind of arc-control device, include more than arc extinguishing power device driving device, further include power device, the first pin, Second pin, the 3rd pin, arc extinguishing power device driving device, power device package are in an insulating materials, the first pin, The first end with power device, the 3rd end of power device are connected two pins respectively, the 3rd pin and the first current limiting element R1, list To the first current limiting element R1 ends of conduction device D1, the first capacitance C1 series circuits（Note：First current limiting element R1 ends be relative to First capacitance C1 positions）Connection, encapsulation schematic diagram is as shown in Figure 8.It is with easy to use, easy the advantages of promoting.
Above example, before mechanical switch K1 disconnections, without providing power device driving energy in advance, using first Voltage detection switch（A1）Detection mechanical switch K1 is disconnected in real time, is greatly reduced the capacity requirement of the first capacitance C1, is improved The charging and discharging speed of first capacitance C1, accelerates the arc extinguishing response time of electronic arc-suppressor, reduces power device Arc extinguishing ON time（ON time is smaller than half of cycle）, the first capacitance C1 can use ceramic paster capacitance, it is small, into This is low, heat resistance is good, can meet integrated plastic package process.The discharge loop of the first capacitance C1 can connect in actual use One current-limiting resistance, if necessary first voltage detection switch（A1）Constant-current circuit can be used.In alternating current 220V system, driving is several Ten amperes of thyristor, can set the first voltage-stabilizing device voltage stabilizing value as 20V, and the capacity of the first capacitance C1 is one to five microfarads, The resistance value of first current limiting element R1 is 330 kilo-ohms（Power consumption is only 0.147W）.The drive signal of thyristor is directly by AC network By the first current limiting element R1 current limlitings, one way conducting device D1 rectifications, the first capacitance C1 energy storage provide, have thyristor driver without Need to trigger transformer, without high-pressure electronic switch, reliability is high, circuit is simple, occupy little space, cost-effective the advantages of, it is special Be not in alternating current in itself there are zero point in the case of, without any synchronizing signal, three terminal circuits can reach and quick and precisely go out The purpose of arc, wiring is few, easy to use.It can also be applied using the arc-control device of arc extinguishing power device driving device of the present invention The mechanical switch arc extinguishing without control coil such as button switch, travel switch, has the advantages that applied widely.
The embodiment two of arc extinguishing power device driving device of the present invention, as shown in Figure 9：
A kind of arc extinguishing power device driving device, the power device TR1 of required driving（Bidirectional thyristor）With required arc extinguishing Mechanical switch K1 it is in parallel, it includes first voltage detection switch（A1）, the first current limiting element R1（Resistance）, the first capacitance C1, One way conducting device D1（Diode）, the first voltage-stabilizing device Z1（Zener diode）, the second capacitance C2, the first optoelectronic switch OPT1, the second optoelectronic switch OPT2, first voltage detection switch（A1）Control terminal be connected with the first end of power device TR1, First current limiting element R1, one way conducting device D1, the first capacitance C1 are in series series circuit, one end of series circuit and power supply Power supply（Power supply can be the neutral conductor or another phase power supply at the 3rd end relative to power device TR1）Connection, series electrical The other end on road is connected with the 3rd end of power device TR1, and the first voltage-stabilizing device Z1 passes through the electricity of one way conducting device D1 and first It is in parallel to hold C1（First voltage-stabilizing device Z1 can also be directly in parallel with the first capacitance C1, but the resistance to pressure requests of one way conducting device D1 will Improve）.First capacitance C1 passes through the first optoelectronic switch OPT1, first voltage detection switch（A1）, power device TR1 second End, the 3rd end of power device TR1 form driving circuit, the control terminal of the first optoelectronic switch OPT1 by current limiting element R10 with The control terminal connection of mechanical switch K1, the second optoelectronic switch OPT2 is the photoelectrical coupler with thyristor output, or using as schemed Photoelectrical coupler driving thyristor equivalent circuit shown in 10, control terminal and the first voltage detection of the second optoelectronic switch OPT2 are opened Close（A1）Connection, the second optoelectronic switch OPT2 output terminals are connected with the control coil of mechanical switch K1.Note：First capacitance C1 and Two capacitance C2 describe to distinguish for convenience, can intersect definition in actual use.
First voltage detection switch（A1）：It can be voltage zero-cross detection switch.
Operation principle：Power supply charges to the first capacitance C1 by the first current limiting element R1, one way conducting device D1 about etc. In the voltage stabilizing value of the first voltage-stabilizing device Z1, before mechanical switch K1 closures, mechanical switch K1 input control signals, the first photoelectricity is opened OPT1 conductings are closed, the electric charge of the first capacitance C1 gives the second capacitance C2 energy storage by the first optoelectronic switch OPT1, is examined in first voltage Slowdown monitoring switch（A1）During passing zero trigger, the first capacitance C1, the electric charge of the second capacitance C2 pass through the first optoelectronic switch OPT1, first voltage Detection switch（A1）Driving power device TR1 is turned on, the second optoelectronic switch OPT2 conductings, mechanical switch K1 closures, first voltage Detection switch（A1）Cut-off, in mechanical switch K1 disjunctions, the first optoelectronic switch OPT1 cut-offs, first voltage detection switch（A1） Conducting, the second capacitance C2 pass through first voltage detection switch（A1）Driving power device TR1 is turned on, and is detected by first voltage Switch（A1）Electric current be less than its minimum keep electric current when voluntarily end, reach power device TR1 and drive arc extinguishing and power in real time The short purpose of device TR1 ON times.
The present embodiment, can be used for the driving for the electronic arc-suppressor that the mechanical switch such as relay need zero passage to connect, the The use of two optoelectronic switch OPT2 is conducive to overcome mechanical switch K1 to close before power device TR1 passing zero triggers, when machinery is opened When pass K1 is more than half of cycle for responsiveness, the second optoelectronic switch OPT2 can be omitted, the application of the first optoelectronic switch OPT1 ON times of the power device TR1 to mechanical switch K1 disjunction arc extinguishings is advantageously reduced, accelerates the quadratic response speed of the present apparatus, At the same time when zero passage is connected, power device TR1 driving energies are provided at the same time by two capacitances, ensure to close in mechanical switch K1 Before, power device TR1 driving energies are not interrupted, and the capacitance of the second capacitance C2 is significantly larger than the capacitance of the first capacitance C1, extremely It is more than 10 times less, the present embodiment as needed can also be integrated, and the second capacitance C2 can be external.
The embodiment three of arc extinguishing power device driving device of the present invention, as shown in figure 11：
A kind of arc extinguishing power device driving device, the power device QA of required driving（Field-effect tube, can also use IGBT Etc. voltage-controlled type device）In parallel with the mechanical switch K1 of required arc extinguishing, it includes first voltage detection switch（A1）, second voltage inspection Slowdown monitoring switch（A2）, photoelectrical coupler OPT1, the first semiconductor switch D1（Diode）, the first current limiting element R1, the first capacitance C1, First voltage-stabilizing device Z1（Zener diode）, 3rd resistor R3, first voltage detection switch（A1）, power device QA second End, the 3rd end of power device QA form power device QA driving circuits；First voltage detection switch（A1）Control terminal and work( The first end connection of rate device QA；Second voltage detection switch（A2）The both ends second end with power device QA, power device respectively The 3rd end connection of part QA, second voltage detection switch（A2）With first voltage detection switch（A1）Be in series the first series electrical Road, second voltage detection switch（A2）Control terminal and the first series circuit first voltage detection switch（A1）End connection, the Two voltage detection switch（A2）Turned on when the voltage of drive signal cannot meet power device QA saturation conductions, photoelectrical coupler OPT1 is used to enable first voltage detection switch（A1）, the control terminal of photoelectrical coupler OPT1 and the control terminal of mechanical switch K1 connect Connect.First semiconductor switch D1, the first capacitance C1, the first current limiting element R1 are sequentially connected in series into the second series circuit, the second string Connection circuit is in parallel with the load RL of mechanical switch K1, and the first semiconductor switch D1 ends of the second series circuit are with power device QA's 3rd end connects, and the first semiconductor switch D1, the common end of the first capacitance C1 are connected with the second end of power device QA, and the first half The 3rd series circuit and first voltage detection switch that conductor switch D1, the first capacitance C1 are in series（A1）It is in parallel.First is steady Voltage device Z1 is in parallel with the first capacitance C1 by the first semiconductor switch D1（Can also the first voltage-stabilizing device Z1 directly with first electricity It is in parallel to hold C1）.The cathode of first semiconductor switch D1 is connected with the first capacitance C1；When the not high feelings of mechanical switch K1 operating frequencies Under condition, photoelectrical coupler OPT1 can be omitted.The both ends of 3rd resistor the R3 second end with power device QA, power device respectively The 3rd end connection of QA, for providing the discharge channel of the first capacitance C1, can omit when power device QA built-in resistors.
First voltage detection switch（A1）：As shown in figure 12, including trigger switch TG1, the 8th transistor Q8, the 3rd capacitance C3, second resistance R2, the 9th resistance R9, diode D2, trigger switch TG1 and the first semiconductor switch D1, the first capacitance C1 strings Join the 3rd series circuit parallel connection formed, the potential difference letter between the 3rd end of power device QA, the first end of power device QA Number by being transferred to the trigger electrode of trigger switch TG1 after second resistance R2, the 3rd capacitance C3, the 8th transistor Q8 amplifications, the 9th Resistance R9 is in parallel with diode D2, and the base stage of diode D2 and the 8th transistor Q8, the emitter of the 8th transistor Q8 are reversely simultaneously Connection.Second resistance R2 is used for current limliting, and the 9th resistance R9 is to improve circuit anti-interference ability, second resistance R2, the 9th resistance R9 roots According to needing to select.Trigger switch TG1 can use a thyristor or as shown in fig. 13 that thyristor equivalent circuit.
Second voltage detection switch（A2）：As shown in figure 14, second voltage detection switch（A2）By resistance, transistor group Into, including the 3rd voltage-stabilizing device Z3, the 6th transistor Q6, the 7th transistor Q7, the 11st resistance R11, the 12nd resistance R12, 13rd resistance R13, the collector of the 6th transistor Q6 are connected with the base stage of the 7th transistor Q7, the current collection of the 6th transistor Q6 Pole is connected by the 12nd resistance R12 with the collector of the 7th transistor Q7, collector, the 7th transistor of the 7th transistor Q7 The transmitting of Q7 extremely second voltage detection switch（A2）Main circuit terminal, the 13rd resistance R13, the 3rd voltage-stabilizing device Z3, the 6th The emitter of the base stage of transistor Q6 and the 6th transistor Q6 are in series the 4th series circuit, and the 4th series circuit is electric with first Hold C1 parallel connections, the base stage with the 6th transistor Q6, the emitter of the 6th transistor Q6 connect respectively at the both ends of the 11st resistance R11 Connect, the emitter of the 6th transistor Q6 is connected with the emitter of the 7th transistor Q7.
When second voltage detection switch（A2）During using two terminal circuit, as shown in figure 15, including the 3rd voltage-stabilizing device Z3, Six transistor Q6, the 7th transistor Q7, the 11st resistance R11, the 12nd resistance R12, the 13rd resistance R13, the 4th capacitance C4, The collector of 6th transistor Q6 is connected with the base stage of the 7th transistor Q7, and the collector of the 6th transistor Q6 passes through the 12nd electricity Resistance R12 is connected with the collector of the 7th transistor Q7, the transmitting extremely the of the collector of the 7th transistor Q7, the 7th transistor Q7 Two voltage detection switch（A2）Main circuit terminal, the 13rd resistance R13, the 3rd voltage-stabilizing device Z3, the base stage of the 6th transistor Q6 It is in series series circuit with the emitter of the 6th transistor Q6, the series circuit and second voltage detection switch（A2）Master return Terminal is in parallel（The emitter of collector, the 7th transistor Q7 i.e. with the 7th transistor Q7 is in parallel）, the two of the 11st resistance R11 The base stage with the 6th transistor Q6, the emitter of the 6th transistor Q6 are connected respectively at end, the emitter of the 6th transistor Q6 and the The emitter connection of seven transistor Q7, the both ends of the 4th capacitance the C4 base stage with the 7th transistor Q7, the 7th transistor Q7 respectively Emitter connection.
A kind of arc-control device, including arc extinguishing power device driving device above（When omitting photoelectrical coupler OPT1）, also Including power device QA, the first pin PA, second pin PB, the 3rd pin PC, arc extinguishing power device driving device, power device It is encapsulated in an insulating materials, the first pin PA, second pin the PB first end with power device, the 3rd of power device the respectively End connection, the 3rd pin PC are connected with the first current limiting element R1 ends of the second series circuit；Encapsulation schematic diagram is as shown in Figure 8.
When including photoelectrical coupler OPT1, the 4th pin PD, the 5th pin PE are further included, the first pin PA, second are drawn The first end with power device, the 3rd end of power device are connected foot PB respectively, and the of the 3rd pin PC and the second series circuit One current limiting element end（Power supply end）Connection, the 4th pin PD, the 5th pin PE are connected with photoelectrical coupler OPT1 control terminals, Encapsulation schematic diagram is as shown in figure 16.
Operation principle：Mechanical switch K1 obtains electric closure, and power supply passes through the first current limiting element R1, D1 pairs of the first semiconductor switch First capacitance C1 charges to the voltage stabilizing value for being approximately equal to the first voltage-stabilizing device Z1, under mechanical switch K1 closure states, first voltage Detection switch（A1）Cut-off, second voltage detection switch（A2）Cut-off, in mechanical switch K1 dead electricity, photoelectrical coupler OPT1 is cut Only, first voltage detection switch（A1）It is enabled, first voltage detection switch（A1）Detecting the presence of power device QA both ends During potential difference（Detect that mechanical switch K1 is disconnected in real time）, trigger switch TG1 triggering and conductings, the electric charge of the first capacitance C1 passes through First voltage detection switch（A1）It is transferred to power device QA, driving power device QA conductings, second voltage detection switch（A2） Turned on when the voltage of drive signal cannot meet power device QA saturation conductions, accelerate to discharge to the first capacitance C1, power device Part QA quickly ends, and achievees the purpose that power device QA conductings driving arc extinguishing in real time.
The present embodiment arc extinguishing power device driving device has the following advantages：
Second voltage detection switch（A2）For preventing power device to be operated in amplification region, power tube overload capacity is improved, Reduce temperature rise；Accelerate the velocity of discharge and second voltage detection switch of the first capacitance C1（A2）Cut-off, improves the sound of arc-control device Speed is answered, power device QA is used for direct current arc extinguishing, and the first capacitance C1 chargings employ one diode of series connection, i.e. the first semiconductor is opened Close D1, the 3rd series circuit that the first capacitance C1 is in series and first voltage detection switch（A1）Form in parallel, utilizes the One capacitance C1 electric current pulling drive power devices QA is turned on, and is conducive to connect load NPN type triode, the N-channel effect of anode Pipe, the driving of IGBT, plus first voltage detection switch（A1）Using capacitance（3rd capacitance C3）The form of coupling, it is in machinery Switch under K1 off-states, power consumption zero, be conducive to the use of the occasions such as automobile.Driven at the same time using arc extinguishing power device of the present invention The arc-control device of device, may not need synchronizing signal, can be applicable to button switch, ship type switch, travel switch etc. without control line The mechanical switch arc extinguishing of circle, has the advantages that applied widely.
The example IV of arc extinguishing power device driving device of the present invention, as shown in figure 17：
A kind of arc extinguishing power device driving device, the power device QA of required driving（Field-effect tube, can also use IGBT Etc. voltage-controlled type device）In parallel with the mechanical switch K1 of required arc extinguishing, it includes first voltage detection switch（A1）, second voltage inspection Slowdown monitoring switch（A2）, the first current limiting element R1, the first capacitance C1, the first voltage-stabilizing device Z1（Zener diode）, 3rd resistor R3, control Unit processed（C）, the first photoelectrical coupler OPT1, the second photoelectrical coupler OPT2, first voltage detection switch（A1）Control terminal It is connected with the first end of power device QA；Second voltage detection switch（A2）The both ends second end with power device QA, work(respectively The 3rd end connection of rate device QA, second voltage detection switch（A2）With first voltage detection switch（A1）Be in series the first string Join circuit, second voltage detection switch（A2）Control terminal and the first series circuit first voltage detection switch（A1）End connects Connect, the output terminal of the first photoelectrical coupler OPT1, the control terminal and first voltage detection switch of the second photoelectrical coupler OPT2 （A1）Connection, the first photoelectrical coupler OPT1, power device QA driving power by PC ends power supply by the first current limiting element R1, First capacitance C1 energy storage provides, and the second photoelectrical coupler OPT2 output signals are transferred to control unit（C）, the first photoelectrical coupler The control terminal and control unit of OPT1（C）Connection；First voltage-stabilizing device Z1 is in parallel with the first capacitance C1.The both ends of 3rd resistor R3 The second end with power device QA, the 3rd end of power device QA are connected respectively, for providing the discharge channel of the first capacitance C1, It can be omitted when power device QA built-in resistors.Note：Shown in Figure 17, output terminal, the second photoelectricity of the first photoelectrical coupler OPT1 The control terminal of coupler OPT2 and first voltage detection switch（A1）It is connected in the driving circuit of power device QA, practical application When can also be with first voltage detection switch（A1）Internal circuit connection.
Operation principle：The present apparatus obtains electric, and power supply, which charges to the first capacitance C1 by the first current limiting element R1, is approximately equal to The voltage stabilizing value of one voltage-stabilizing device Z1, under mechanical switch K1 closure states, first voltage detection switch（A1）Cut-off, second voltage Detection switch（A2）Cut-off, in mechanical switch K1 dead electricity, first voltage detection switch（A1）Detecting power device QA two There are during potential difference at end（When detecting that mechanical switch K1 is disconnected in real time）Conducting, the electric charge of the first capacitance C1 pass through the first photoelectricity Coupler OPT1, the control terminal of the second photoelectrical coupler OPT2, first voltage detection switch（A1）Power device QA is transferred to, is driven Dynamic power device QA conductings, the second photoelectrical coupler OPT2 output signals are transferred to control unit（C）, control unit（C）Pass through First photoelectrical coupler OPT1 controls the first capacitance C1 to stop electric discharge, second voltage detection switch（A2）In the voltage of drive signal It cannot meet to turn on during power device QA saturation conductions, discharge power device QA junction capacity, power device QA quickly ends, reaches Arc extinguishing and the short purpose of power device QA ON times are driven in real time to power device QA.Note：When power device QA is thyristor When, second voltage detection switch（A2）It can be omitted.
The present embodiment, utilizes first voltage detection switch（A1）Real-time drive control power device QA conducting arc extinguishings, second Photoelectrical coupler OPT2 feedback signals are to control unit（C）, then by control unit（C）Controlled by the first photoelectrical coupler OPT1 Power device QA ends, and has that power device QA arc extinguishing speed is fast, and the advantages of power device QA arc extinguishing ON times are short.
Above example, can be as needed, and capacitance can connect a resistance, or capacitance series connection constant-current circuit, power device The drive end serial or parallel connection resistance of the full-control types such as part or half control type device.The encapsulation schematic diagram of the present invention is not marked pin Note, is to consider that pin arrangements order and the connection relations of corresponding circuits can be any according to technique and outside auxiliary products situation Arrangement, while its shape does not limit, can be by existing conventional package shape and pin mode.
Switched off in conclusion first voltage detection switch of the present invention monitors machinery in real time, driving work(can be greatly reduced Driving energy needed for rate device, the control energy of first voltage detection switch are provided by power device both ends, first voltage inspection Slowdown monitoring switch（A1）Input circuit, first voltage detection switch（A1）Output loop, nonisulated isolation between power device, tool There is the advantages of cost is low, small；The driving energy of the embodiment of the present invention is adopted as the non-isolated offer of the power grid where power device With capacitive energy storage, capacitance passes through first voltage detection switch（Monitoring machinery switches off in real time）The mode of electric discharge, driving power Break-over of device, capacitance require low（Several microfarads）, capacitance can use ceramic paster capacitance, have that circuit is simple, work( The advantages of small, cost is low, fast response time, power device ON time are small, being easily integrated is consumed, integrated arc extinguishing can be made Power device drive integrated circult, the popularization of favorable electron arc extinguishing technology, while using arc extinguishing power device of the present invention driving dress The arc-control device put, when being not required zero passage to connect, without synchronizing signal, can be applicable to button switch, travel switch etc. without control The mechanical switch arc extinguishing of coil processed, has the advantages that applied widely.Present invention comprises the arc-control device of power device, have The advantages of small, easy to use.

Claims (47)

1. a kind of arc extinguishing power device driving device, the power device of required driving is in parallel with the mechanical switch of required arc extinguishing, its It is characterized in：It includes first voltage detection switch, the input terminal of the first voltage detection switch and the power device both ends Connection, the first voltage detection switch are connected in the driving circuit of the power device, the first voltage detection switch The power device both ends are being detected there are being turned on during potential difference, drive signal passes through the first voltage detection switch transmission To the power device, the power device is driven to turn on, the first voltage detection switch is switched for half control type or threshold value is small In the full-controlled switch of the on state voltage of the power device.
2. arc extinguishing power device driving device according to claim 1, it is characterized in that：The first voltage detection switch Nonisulated isolation between input circuit, the output loop of the first voltage detection switch, the power device.
3. arc extinguishing power device driving device according to claim 1, it is characterized in that：The first voltage detection switch bag The second current limiting element, semiconductor switch are included, the potential difference signal at the power device both ends is passed by second current limiting element The control terminal of the semiconductor switch is handed to, the semiconductor switch is connected in the driving circuit, the second current limliting member Part is a resistance or a capacitance.
4. arc extinguishing power device driving device according to claim 3, it is characterized in that：The semiconductor switch is transistor Drive the circuit of thyristor equivalent circuit, or thyristor equivalent circuit, or a thyristor.
5. arc extinguishing power device driving device according to claim 4, it is characterized in that：The thyristor equivalent circuit or institute Thyristors in series is stated in the driving circuit.
6. arc extinguishing power device driving device according to claim 5, it is characterized in that：The thyristor equivalent circuit includes One PNP transistor, a NPN transistor, the base stage of the PNP transistor and the collector of the NPN transistor connect Connect, the collector of the PNP transistor is connected with the base stage of the NPN transistor, the transmitting of the PNP transistor Pole, the emitter of the NPN transistor are connected in the driving circuit.
7. arc extinguishing power device driving device according to claim 1, it is characterized in that：Including the first capacitance, described first The control terminal of voltage detection switch is connected with the first end of the power device, and first capacitance is examined by the first voltage The second end of slowdown monitoring switch and the power device, the 3rd end form driving circuit, and first capacitance connection one is used for described The switch or the first current limiting element of first capacitance charging.
8. arc extinguishing power device driving device according to claim 7, it is characterized in that：The first voltage detection switch pair First capacitance is discharged to the first voltage detection switch minimum conducting electric current.
9. arc extinguishing power device driving device according to claim 7, it is characterized in that：The power device is unidirectional brilliant for one Brake tube or a bidirectional thyristor, further include an one way conducting device, the first voltage-stabilizing device, first current limiting element, the list It is in series series circuit to conduction device, first capacitance, one end of the series circuit is connected with power supply, described The other end of series circuit is connected with the 3rd end of the power device, and first capacitance is opened by first voltage detection Pass, the 3rd end of the second end of the power device, the power device form driving circuit, first voltage-stabilizing device and institute State that the first capacitance is in parallel or first voltage-stabilizing device is in parallel with first capacitance by the one way conducting device.
10. arc extinguishing power device driving device according to claim 9, it is characterized in that：The first voltage detection switch For full wave voltage detection circuit.
11. arc extinguishing power device driving device according to claim 9, it is characterized in that：The power supply is by the work( The non-isolated offer of power grid where rate device.
12. arc extinguishing power device driving device according to claim 9, it is characterized in that：The power supply is the neutral conductor Or another phase power supply at the 3rd end relative to the power device.
13. arc extinguishing power device driving device according to claim 9, it is characterized in that：Further include the second capacitance, the first light Electric switch, the first voltage detection switch are voltage zero-cross detection switch, and first capacitance is opened by first photoelectricity Pass, the 3rd end of the first voltage detection switch, the second end of the power device, the power device form and drive back Road, before mechanical switch closure, the first optoelectronic switch conducting, the electric charge of first capacitance passes through first light Electric switch gives second capacitive energy storage, and when the first voltage detection switch turns on, the electric charge of first capacitance passes through First optoelectronic switch, the first voltage detection switch drive the power device conducting, and then the mechanical switch closes Close, first voltage detection switch cut-off, in the mechanical switch disjunction, the first optoelectronic switch cut-off, described the One voltage detection switch turns on, and second capacitance drives the power device to turn on by the first voltage detection switch.
14. arc extinguishing power device driving device according to claim 13, it is characterized in that：The control of first optoelectronic switch End processed is connected by a current limiting element with the control terminal of the mechanical switch.
15. arc extinguishing power device driving device according to claim 13, it is characterized in that：Including the second optoelectronic switch, institute It is the photoelectrical coupler with thyristor output to state the second optoelectronic switch, or photoelectrical coupler driving thyristor equivalent circuit, described The control terminal of second optoelectronic switch is connected with the first voltage detection switch, the second optoelectronic switch output terminal and the machine The control coil series connection of tool switch.
16. arc extinguishing power device driving device according to claim 1, it is characterized in that：The power device is thyristor, The first voltage detection switch includes the second current limiting element, the first transistor, second transistor, third transistor, the 4th crystalline substance Body pipe, the emitter of the second transistor are connected with the base stage of the third transistor, the base stage of the second transistor with The emitter connection of the third transistor, the collector of the second transistor are connected with the base stage of the first transistor, The base stage of 4th transistor is connected with the collector of the third transistor, the collector of the 4th transistor with it is described The emitter connection of second transistor, the emitter of the 4th transistor is connected with the base stage of the first transistor, described The base stage of second transistor is connected by the second current limiting element with the first end of the power device, the hair of the second transistor Emitter-base bandgap grading is connected with the 3rd end of the power device, the emitter of the first transistor, the collector of the first transistor It is connected in the driving circuit.
17. arc extinguishing power device driving device according to claim 16, it is characterized in that：Further include the 5th transistor, institute The base stage for stating the 5th transistor is connected with the collector of the first transistor, the collector of the 5th transistor and described the The base stage connection of one transistor, the emitter of the 5th transistor are connected in the driving circuit.
18. arc extinguishing power device driving device according to claim 1, it is characterized in that：The power device is thyristor, The first voltage detection switch includes the second current limiting element, the first transistor, second transistor, third transistor, the 4th crystalline substance Body pipe, the emitter of the second transistor are connected with the base stage of the third transistor, the base stage of the second transistor with The emitter connection of the third transistor, the collector of the second transistor are connected with the base stage of the first transistor, The base stage of 4th transistor is connected with the collector of the third transistor, the collector of the 4th transistor with it is described The emitter connection of second transistor, the emitter of the 4th transistor is connected with the base stage of the first transistor, described The base stage of second transistor is connected by second current limiting element with the first end of the power device, the first transistor Collector be connected with the base stage of the second transistor, the second of the emitter of the second transistor and the power device End connection, the emitter of the first transistor, the emitter of the second transistor are connected on the driving of the power device In circuit.
19. arc extinguishing power device driving device according to claim 1, it is characterized in that：Second voltage detection is further included to open Close；
The first voltage detection switch, the second end of the power device, the 3rd end of the power device form the work( Rate device drive circuit；
The control terminal of the first voltage detection switch is connected with the first end of the power device；
The second end with the power device, the 3rd end of the power device connect respectively at the second voltage detection switch both ends Connect.
20. arc extinguishing power device driving device according to claim 19, it is characterized in that：The second voltage detection switch Be in series the first series circuit with the first voltage detection switch, the control terminal of the second voltage detection switch with it is described The first voltage detection switch end connection of first series circuit.
21. arc extinguishing power device driving device according to claim 19, it is characterized in that：The second voltage detection switch Turned on when the voltage of the drive signal cannot meet the power device saturation conduction.
22. arc extinguishing power device driving device according to claim 19, it is characterized in that：The second voltage detection switch Including resistance, transistor.
23. arc extinguishing power device driving device according to claim 19, it is characterized in that：The second voltage detection switch It is described including the 3rd voltage-stabilizing device, the 6th transistor, the 7th transistor, the 11st resistance, the 12nd resistance, the 13rd resistance The collector of 6th transistor is connected with the base stage of the 7th transistor, and the collector of the 6th transistor passes through described 12 resistance are connected with the collector of the 7th transistor, the collector of the 7th transistor, the 7th transistor The main circuit terminal of the extremely described second voltage detection switch of transmitting, the 13rd resistance, the 3rd voltage-stabilizing device, described the The emitter of the base stage of six transistors and the 6th transistor is in series the 4th series circuit, the 4th series circuit with First capacitance is in parallel, the both ends of the 11st resistance base stage with the 6th transistor, the 6th crystal respectively The emitter connection of pipe, the emitter of the 6th transistor are connected with the emitter of the 7th transistor.
24. arc extinguishing power device driving device according to claim 19, it is characterized in that：The second voltage detection switch Including the 3rd voltage-stabilizing device, the 6th transistor, the 7th transistor, the 11st resistance, the 12nd resistance, the 13rd resistance, the 4th Capacitance, the collector of the 6th transistor are connected with the base stage of the 7th transistor, the collector of the 6th transistor It is connected by the 12nd resistance with the collector of the 7th transistor, the collector of the 7th transistor, described The main circuit terminal of the extremely described second voltage detection switch of transmitting of seven transistors, the 13rd resistance, the 3rd voltage stabilizing Device, the base stage of the 6th transistor and the emitter of the 6th transistor are in series series circuit, the series electrical Road is in parallel with the main circuit terminal of the second voltage detection switch, the both ends of the 11st resistance respectively with the 6th crystal The emitter connection of the base stage of pipe, the 6th transistor, emitter and the 7th transistor of the 6th transistor Emitter connects, the both ends transmitting with the base stage, the 7th transistor of the 7th transistor respectively of the 4th capacitance Pole connects.
25. arc extinguishing power device driving device according to claim 19, it is characterized in that：Including the first semiconductor switch, First current limiting element, the first capacitance, first semiconductor switch, first capacitance, first current limiting element are gone here and there successively Connection forms the second series circuit, and second series circuit is in parallel with the load of the mechanical switch, second series circuit The first semiconductor switch end be connected with the 3rd end of the power device, first semiconductor switch, described first The common end of capacitance is connected with the second end of the power device, first semiconductor switch, first capacitance connect and Into the 3rd series circuit it is in parallel with the first voltage detection switch.
26. arc extinguishing power device driving device according to claim 25, it is characterized in that：Including the first voltage-stabilizing device, institute State that the first voltage-stabilizing device is in parallel with first capacitance or first voltage-stabilizing device passes through first semiconductor switch and institute State the parallel connection of the first capacitance.
27. arc extinguishing power device driving device according to claim 25, it is characterized in that：First semiconductor switch is One diode, the diode cathode and first capacitance connection, the power device are used for direct current arc extinguishing.
28. arc extinguishing power device driving device according to claim 25, it is characterized in that：The first voltage detection switch Including a trigger switch, a transistor, the 3rd capacitance, the trigger switch is in parallel with the 3rd series circuit, the power Potential difference signal between 3rd end of device, the first end of the power device passes through the 3rd capacitance, the transistor The trigger electrode of the trigger switch is transferred to after amplification.
29. arc extinguishing power device driving device according to claim 28, it is characterized in that：The trigger switch is a brilliant lock Pipe or a thyristor equivalent circuit.
30. according to claim 25 to 29 any one of them arc extinguishing power device driving device, it is characterized in that：Further include a light Electric coupler, the photoelectrical coupler are used to enable the first voltage detection switch, the control terminal of the photoelectrical coupler with The control terminal connection of the mechanical switch.
31. the arc extinguishing power device driving device according to claim 1 or 19, it is characterized in that：Further include a control unit, First photoelectrical coupler, the second photoelectrical coupler, the output terminal of first photoelectrical coupler, second photoelectrical coupler Control terminal is connected with the first voltage detection switch, and it is single that the second photoelectrical coupler output signal is connected to the control Member, the control terminal of first photoelectrical coupler are connected with described control unit.
32. arc extinguishing power device driving device according to claim 19, it is characterized in that：The power device is voltage-controlled type Device.
33. arc extinguishing power device driving device according to claim 32, it is characterized in that：The power device is field-effect Pipe, or IGBT.
34. arc extinguishing power device driving device according to claim 1, it is characterized in that：The power device is used for direct current Arc extinguishing, further includes the first semiconductor switch, the first current limiting element, the first capacitance, first semiconductor switch, first electricity Hold, first current limiting element is sequentially connected in series into the second series circuit, second series circuit and the mechanical switch Load is in parallel, and the first semiconductor switch end of second series circuit is connected with the 3rd end of the power device, institute State the first semiconductor switch, the common end of first capacitance is connected with the second end of the power device, described the first half lead The 3rd series circuit that body switch, first capacitance are in series is in parallel with the first voltage detection switch.
35. arc extinguishing power device driving device according to claim 34, it is characterized in that：The first voltage detection switch Including a trigger switch, a transistor, the 3rd capacitance, the trigger switch is in parallel with the 3rd series circuit, the power Potential difference signal between 3rd end of device, the first end of the power device passes through the 3rd capacitance, the transistor The trigger electrode of the trigger switch is transferred to after amplification.
36. arc extinguishing power device driving device according to claim 35, it is characterized in that：The trigger switch is a brilliant lock Pipe or a thyristor equivalent circuit.
37. arc extinguishing power device driving device according to claim 34, it is characterized in that：First semiconductor switch is One diode, the diode cathode and first capacitance connection.
38. arc extinguishing power device driving device according to claim 34, it is characterized in that：Including the first voltage-stabilizing device, institute State that the first voltage-stabilizing device is in parallel with first capacitance or first voltage-stabilizing device passes through first semiconductor switch and institute State the parallel connection of the first capacitance.
39. arc extinguishing power device driving device according to claim 34, it is characterized in that：Second voltage detection is further included to open Close；
The first voltage detection switch, the second end of the power device, the 3rd end of the power device form the work( Rate device drive circuit；
The control terminal of the first voltage detection switch is connected with the first end of the power device；
The second end with the power device, the 3rd end of the power device connect respectively at the second voltage detection switch both ends Connect, the second voltage detection switch is led when the voltage of the drive signal cannot meet the power device saturation conduction It is logical.
40. arc extinguishing power device driving device according to claim 39, it is characterized in that：The power device is voltage-controlled type Device.
41. arc extinguishing power device driving device according to claim 39, it is characterized in that：The power device is field-effect Pipe, or IGBT.
42. according to claim 34 to 41 any one of them arc extinguishing power device driving device, it is characterized in that：Further include a light Electric coupler, the photoelectrical coupler are used to enable the first voltage detection switch, the control terminal of the photoelectrical coupler with The control terminal connection of the mechanical switch.
43. a kind of arc-control device, it is characterized in that：Including being driven according to claim 9 to 12 any one of them arc extinguishing power device Dynamic device, further includes the power device, the first pin, second pin, the 3rd pin, the arc extinguishing power device driving dress Put, the power device package in an insulating materials, first pin, the second pin respectively with the power device First end, the power device the connection of the 3rd end, the first current limiting element end of the 3rd pin and the series circuit Connection.
44. a kind of arc-control device, it is characterized in that：Including being driven according to claim 25 to 29 any one of them arc extinguishing power device Dynamic device, further includes the power device, the first pin, second pin, the 3rd pin, the arc extinguishing power device driving dress Put, the power device package in an insulating materials, first pin, the second pin respectively with the power device First end, the power device the connection of the 3rd end, the first current limliting member of the 3rd pin and second series circuit Part end connects.
45. a kind of arc-control device, it is characterized in that：Including arc extinguishing power device driving device according to claim 30, go back Including the power device, the first pin, second pin, the 3rd pin, the 4th pin, the 5th pin, the photoelectrical coupler, The arc extinguishing power device driving device, the power device package are in an insulating materials, first pin, described second The first end with the power device, the 3rd end of the power device are connected pin respectively, the 3rd pin and described the The first current limiting element end connection of two series circuits, the 4th pin, the 5th pin are connected with the photoelectrical coupler control terminal.
46. a kind of arc-control device, it is characterized in that：Including being driven according to claim 34 to 41 any one of them arc extinguishing power device Dynamic device, further includes the power device, the first pin, second pin, the 3rd pin, the arc extinguishing power device driving dress Put, the power device package in an insulating materials, first pin, the second pin respectively with the power device First end, the power device the connection of the 3rd end, the first current limliting member of the 3rd pin and second series circuit Part end connects.
47. a kind of arc-control device, it is characterized in that：Including arc extinguishing power device driving device according to claim 46, go back Including the power device, the first pin, second pin, the 3rd pin, the 4th pin, the 5th pin, the photoelectrical coupler, The arc extinguishing power device driving device, the power device package are in an insulating materials, first pin, described second The first end with the power device, the 3rd end of the power device are connected pin respectively, the 3rd pin and described the The first current limiting element end connection of two series circuits, the 4th pin, the 5th pin are connected with the photoelectrical coupler control terminal.
CN201710029448.XA 2016-01-24 2017-01-16 Arc extinguishing power device driving device and arc-control device Active CN106847582B (en)

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PCT/CN2017/071791 WO2017125054A1 (en) 2016-01-24 2017-01-20 Arc-extinguishing power device driving apparatus and arc-extinguishing apparatus
US16/072,142 US10468207B2 (en) 2016-01-24 2017-01-20 Arc-extinguishing power device driving apparatus and arc extinguishing apparatus
EP17741085.9A EP3407368B1 (en) 2016-01-24 2017-01-20 Arc-extinguishing power device driving apparatus and arc-extinguishing apparatus
AU2017209635A AU2017209635B2 (en) 2016-01-24 2017-01-20 Arc-extinguishing power device driving apparatus and arc-extinguishing apparatus
KR1020187024483A KR101978286B1 (en) 2016-01-24 2017-01-20 Driving device and SOHO device for SOHO power device
JP2018557182A JP6596781B2 (en) 2016-01-24 2017-01-20 Power extinguishing power device drive device and arc extinguishing device

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CN2016100701458 2016-01-24
CN2016101168418 2016-02-26
CN201610116841.8A CN105610301A (en) 2015-02-27 2016-02-26 Thyristor triggering apparatus
CN2016101330807 2016-03-02
CN201610133080 2016-03-02
CN201610176973 2016-03-18
CN201610176973X 2016-03-18
CN2016103077358 2016-05-03
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