CN205248148U - Arc control device and do not have arc switch - Google Patents
Arc control device and do not have arc switch Download PDFInfo
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- CN205248148U CN205248148U CN201521050102.0U CN201521050102U CN205248148U CN 205248148 U CN205248148 U CN 205248148U CN 201521050102 U CN201521050102 U CN 201521050102U CN 205248148 U CN205248148 U CN 205248148U
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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
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Electronic Switches (AREA)
Abstract
The utility model discloses arc control device and do not have arc switch belongs to the electricity field, it includes a thyristor, a current limiting element, a current transformer and an electronic switch, the thyristor is used for with the mechanical switch of required arc extinguishing parallelly connectedly, current transformer is used for being connected with mechanical switch, current transformer detects the electric current through mechanical switch, the on state current of thyristor is without current transformer, current transformer's output is connected with electronic switch's control end, the signal of current transformer output is used for driving electronic switch, the drive signal that the drive thyristor switched on holds the control electrode that is connected to the thyristor through current limiting element by the major loop of thyristor, electronic switch and drive signal's loop connection, the utility model discloses arc control device has the advantage that thyristor work turn -on time is short, accommodation is wide.
Description
Technical field
Arc-control device of the present utility model and Switch without electric arc belong to electricity field, particularly a kind of arc extinguishing for mechanical switch arc extinguishingDevice and a kind of without electric arc, long, the highly reliable Switch without electric arc of electric life.
Background technology
In electric control system, be widely used the mechanical switch such as contactor, relay load connected to disjunction control at present,But due to the arc-chute of common arc extinguishing purposes, need breaking arc to move certain length to, just can work, exist arc quenching effect poor,When disjunction load, electric arc is large, causes the shortcoming of the easy scaling loss in contact.
For this reason, occurred the arc-control device for mechanical switch arc extinguishing, if the patent No. is CN01201907.0, name is called " electronicsExtinguisher "; The patent No. is CN200910306608.6, and name is called that " mixing type alternating contactor passive switch based on optocoupler drivesMovement controller ", what two patents disclosed is to adopt the IGCT mode in parallel with contactor mechanical switch, power supply with contactThe control coil of device connects, and before the disjunction of contactor mechanical switch, provides a driving signal of controlling IGCT conducting, at contactorControl coil dead electricity, when mechanical switch separate time, IGCT conducting, by the filter capacitor discharge lag of power supply circuits,The driving signal of time delayed turn-off IGCT conducting, IGCT cut-off, completes without electric arc breaking course, and there is following shortcoming in it:
1, because the control coil dead electricity from contactor is to mechanical switch disjunction, there is one section of uncertain delay time, for guaranteeing machineryAfter switch disjunction IGCT just turn-off ensure reliable arc extinguishing, IGCT need ON time grow (generally a few tens of milliseconds withOn), this employing mechanical switch divides the control mode of the time-delay closing control signal of having no progeny, and will certainly increase unnecessary the leading of IGCTThe logical working time, the conducting longevity of service of IGCT, causes the overload capacity of whole arc-control device poor, reliability is low.
2, its circuit need to be powered by the power supply of the control coil of contactor, as in nothings such as button, breaker, travel switchesIn the mechanical switch of driving power, cannot use, have the shortcoming that accommodation is little.
Summary of the invention
When the purpose of this utility model is to avoid the weak point of existing arc-control device and provides one to have IGCT work conductingBetween short, drive energy consumption low, simple without external working power, circuit, can be at button, breaker, travel switch etc. without drivingIn the mechanical switch of power supply, use the arc-control device of wide accommodation.
Realizing the purpose of this utility model reaches by the following technical programs:
A kind of arc-control device, it comprises an IGCT, a current limiting element, a current transformer and an electronic switch, described brilliant lockPipe is in parallel with the mechanical switch of required arc extinguishing, and described current transformer is for being connected with described mechanical switch, and described electric current is mutualSensor detects by the electric current of described mechanical switch, and the On current of described IGCT is without described current transformer, described electric currentThe output of transformer is connected with the control end of described electronic switch, and the signal of described current transformer output is used for driving described electricitySub-switch, drives the driving signal of described IGCT conducting to be connected to by described current limiting element by the main circuit terminal of described IGCTThe control utmost point of described IGCT, described electronic switch is connected with the loop of described driving signal.
A kind of arc-control device, described current limiting element is the first electric capacity.
A kind of arc-control device, also comprises the first resistance, and described the first resistance becomes series circuit with described the first capacitance group, described in driveMoving signal is connected to the control utmost point of described IGCT by described series circuit, described electronic switch, described electronic switch is connected toA few voltage-stabilizing device, described voltage-stabilizing device is shunted described driving signal, for the protection of described electronic switch.
A kind of arc-control device, described electronic switch is semiconductor on-off circuit, the withstand voltage of described semiconductor switch circuit is less thanThe rated operational voltage at described IGCT two ends.
A kind of arc-control device, described semiconductor switch circuit comprises transistor, a rectification circuit, the direct current of described rectification circuit is defeatedGo out end and be connected with described transistorized output, described transistorized input is connected with the output of described current transformer.
A kind of arc-control device, described transistor comprises the first transistor, transistor seconds, the input of described the first transistor withThe input reverse parallel connection composition parallel circuit of described transistor seconds, the output of described parallel circuit and described current transformerConnect.
A kind of arc-control device, described semiconductor switch circuit comprises the first rectification circuit, the second rectification circuit, a transistor, instituteThe first ac input end of stating the first rectification circuit is connected with described driving signal, and second of described the first rectification circuit exchanges inputEnd is connected with the control utmost point of described IGCT, and the DC output end of described the first rectification circuit is connected with described transistorized output,The ac input end of described the second rectification circuit is connected with the output of described current transformer, the direct current of described the second rectification circuitOutput is connected with described transistorized control end.
A kind of arc-control device, described transistor is triode or FET.
A kind of arc-control device, DC output end second electric capacity in parallel of described the second rectification circuit.
A kind of arc-control device, described second Capacitance parallel connection the second resistance, described the second resistance is used for described the second capacitor discharge.
A kind of arc-control device, in the time of the described current transformer no-output signal of telecommunication, described the second capacitive charge storage drives described crystalline substanceThe time of body pipe output is less than half cycle of alternating current by described mechanical switch.
A kind of arc-control device, described the second electric capacity and the 3rd resistance are composed in series resistance-capacitance circuit, and described transistor input connects theFour resistor group become series connection drive circuit, and described resistance-capacitance circuit is in parallel with described tandem drive circuit.
A kind of Switch without electric arc, it comprises above-described arc-control device, described mechanical switch, described arc-control device and described machinerySwitch connects.
As shown in Figure 1, be the fundamental diagram of the utility model arc-control device and Switch without electric arc, it comprises IGCT TR1,One capacitor C 1 (current limiting element), Current Transmit 1 and electronic switch (A), the machinery of IGCT TR1 and required arc extinguishing leavesClose SW1 parallel connection, Current Transmit 1 is connected with mechanical switch SW1, and Current Transmit 1 detects by mechanical switch SW1Electric current, the On current of IGCT TR1 is without Current Transmit 1, the output of Current Transmit 1 and electronic switch(A) control end connects, and the signal that Current Transmit 1 is exported, for driving electronic switch (A), drives IGCT TR1 to leadLogical driving signal by the main circuit terminal of IGCT TR1 by the first capacitor C 1, be connected to brilliant lock by electronic switch (A) againThe control utmost point of pipe TR1, because mechanical switch SW1 is connecting and when disjunction and exist electric current by just having electric arc generation, at machineIn tool switch SW 1 disconnection process, in the time that mechanical switch SW1 has electric current to pass through, Current Transmit 1 output signal control electronicsSwitch (A), the control utmost point that the driving signal of driving IGCT TR1 conducting is connected to IGCT TR1 triggers IGCT TR1 conducting,For mechanical switch SW1 disconnection arc extinguishing, once IGCT TR1 conducting, mechanical switch SW1 no current passes through, current transformerCT1 non-output signal, IGCT TR1 turn-offs when current over-zero voluntarily, and ON time is extremely short, can reach cycle half. Note: thisIn electronic switch (A) and IGCT TR1 drive the loop of signal to be connected to be connected in series, when electronic switch (A) is normally closed defeatedWhile going out, electronic switch (A) can drive the loop of signal to be connected to IGCT TR1 and be connected in parallel, to driving signal bypass controlSystem.
The utility model arc-control device is reasonable in design, and it utilizes current transformer to drive electronic switch to control the driving letter of IGCTNumber, and the driving signal of IGCT provides by its major loop, have IGCT work ON time short, drive energy consumption low, withoutExternal working power, circuit are simple, can in the mechanical switch of the passive drive such as button, breaker, travel switch, use, suitableAnswer the advantage that scope is wide.
Brief description of the drawings
Fig. 1 is the fundamental diagram of the utility model arc-control device and Switch without electric arc.
Fig. 2 is embodiment mono-circuit theory diagrams of the utility model arc-control device and Switch without electric arc.
Fig. 3 is embodiment bis-circuit theory diagrams of the utility model arc-control device and Switch without electric arc.
Fig. 4 is the embodiment three-circuit schematic diagram of the utility model arc-control device and Switch without electric arc.
Detailed description of the invention
As shown in Figure 2, be embodiment mono-circuit theory diagrams of the utility model arc-control device and Switch without electric arc, it comprises IGCTTR1, the first capacitor C 1 (current limiting element), the first resistance R 1, voltage-stabilizing device Z1, Z2 (be two Zener diode differential concatenations,Also can adopt a two-way Zener diode), Current Transmit 1, electronic switch (A), IGCT TR1 and required arc extinguishingMechanical switch SW1 parallel connection, Current Transmit 1 is connected with mechanical switch SW1, and Current Transmit 1 detects by machinery to be openedClose the electric current of SW1, the On current of IGCT TR1 is without Current Transmit 1, and the output of Current Transmit 1 is with electricThe control end of sub-switch (A) connects, and the signal that Current Transmit 1 is exported is for driving electronic switch (A), the first resistanceR1 and the first capacitor C 1 form series circuit, drive the driving signal of IGCT TR1 conducting by the main circuit terminal of IGCT TR1Be connected to the control utmost point of IGCT TR1 by this series circuit, electronic switch (A), electronic switch (A) connects voltage-stabilizing deviceZ1, Z2 (be two Zener diode differential concatenations, also can adopt a two-way Zener diode) are to by the first resistance R 1 and theThe driving signal shunting of one capacitor C 1, for the protection of electronic switch (A), reduces the requirement of withstand voltage of electronic switch (A).
Electronic switch (A): electronic switch (A) is semiconductor switch circuit, it comprise the first transistor Q1 (for triode),Transistor seconds Q2 (being triode, can be also FET), rectification circuit BR1, the DC output end of rectification circuit BR1Be connected the input of the first transistor Q1 and transistor seconds Q2 with the output of the first transistor Q1 and transistor seconds Q2Input reverse parallel connection composition parallel circuit, this parallel circuit is connected with the output of Current Transmit 1, electronic switch (A)The withstand voltage of (being two ac input ends of rectification circuit BR1) can be less than the rated operational voltage at IGCT TR1 two ends,Rectification circuit BR1 and the first transistor Q1, transistor seconds Q2 select conventional voltage devices.
The course of work: in mechanical switch SW1 closing course, in the time that mechanical switch SW1 has electric current to pass through, Current Transmit 1Output signal control electronic switch (A) conducting, in the time that spring appears in mechanical switch SW1, mechanical switch SW1 two ends produce sudden changeVoltage, the first capacitor C 1 can, by larger electric current, because IGCT TR1 is in parallel with mechanical switch SW1 two ends, drive brilliantThe driving signal of brake tube TR1 conducting by the major loop (second plate) of IGCT TR1 by the first capacitor C 1, the first resistance R 1,Through voltage-stabilizing device Z1, Z2 shunting pressure limiting, then the control utmost point that is connected to IGCT TR1 by electronic switch (A) again triggers itConducting, for the closed spring of mechanical switch SW1 arc extinguishing; In mechanical switch SW1 disconnection process, when mechanical switch, SW1 has electricityCirculate out-of-date (have electric arc, just have electric current), Current Transmit 1 output signal control electronic switch (A) conducting, drivesThe driving signal of IGCT TR1 conducting by the first capacitor C 1, the first resistance R 1, through voltage-stabilizing device Z1, Z2 shunting pressure limiting,The control utmost point that is connected to IGCT TR1 through electronic switch (A) again triggers its conducting, for mechanical switch SW1 disconnection arc extinguishing, oneDawn IGCT TR1 conducting, mechanical switch SW1 no current passes through, Current Transmit 1 non-output signal, electronic switch (A)The first transistor Q1, transistor seconds Q2 cut-off, IGCT TR1 turn-offs voluntarily in the time of current over-zero, ON time is extremely short,Can reach cycle half.
As shown in Figure 3, be embodiment bis-circuit theory diagrams of the utility model arc-control device and Switch without electric arc, it comprises IGCTTR1, the first capacitor C 1 (current limiting element), the first resistance R 1, voltage-stabilizing device Z1, Z2 (be two Zener diode differential concatenations,Also can adopt a two-way Zener diode), Current Transmit 1, electronic switch (A), IGCT TR1 and required arc extinguishingMechanical switch SW1 parallel connection, Current Transmit 1 is connected with mechanical switch SW1, and Current Transmit 1 detects by machinery to be openedClose the electric current of SW1, the On current of IGCT TR1 is without Current Transmit 1, and the output of Current Transmit 1 is with electricThe control end of sub-switch (A) connects, and the signal that Current Transmit 1 is exported is for driving electronic switch (A), the first resistanceR1 and the first capacitor C 1 form series circuit, drive the driving signal of IGCT TR1 conducting by the main circuit terminal of IGCT TR1Be connected to the control utmost point of IGCT TR1 by this series circuit, electronic switch (A), electronic switch (A) connects voltage-stabilizing deviceZ1, Z2 (be two Zener diode differential concatenations, also can adopt a two-way Zener diode) are to by the first resistance R 1 and theThe driving signal shunting of one capacitor C 1, for the protection of electronic switch (A), reduces the requirement of withstand voltage of electronic switch (A).
Electronic switch (A): be semiconductor on-off circuit, it comprises the first rectification circuit BR1, the second rectification circuit BR2, crystalline substanceBody pipe Q1 (being triode, can be also FET), the first ac input end of the first rectification circuit BR1 and the crystalline substance of inputThe driving signal of brake tube TR1 connects, and the second ac input end of the first rectification circuit BR1 is connected with the control utmost point of IGCT TR1,The DC output end of the first rectification circuit BR1 is connected with the output of transistor Q1, the ac input end of the second rectification circuit BR2Be connected with the output of Current Transmit 1, the DC output end of the second rectification circuit BR2 is connected with the control end of transistor Q1,Electronic switch (A) also comprises that the direct current of technical components and parts the second capacitor C 2, the second resistance R 2, the second rectification circuit BR2 is defeatedGo out end the second capacitor C 2, the second capacitor C 2 in parallel and there is energy storage phase shift effect, for improving the effect of arc extinguishing, the second resistanceR2 is the resistance in parallel with the second capacitor C 2, and for the second capacitor C 2 is discharged, the capacity parameter of the second capacitor C 2 is set and wantedAsk in the time of the Current Transmit 1 no-output signal of telecommunication, the time of the second capacitor C 2 stored charge driving transistors Q1 outputs is less thanBy half cycle of alternating current of mechanical switch SW1.
The course of work: in mechanical switch SW1 closing course, in the time that mechanical switch SW1 has electric current to pass through, Current Transmit 1Output signal, through the second rectification circuit BR2 rectification driving transistors Q1 conducting of electronic switch (A), is passed through the second electricity simultaneouslyHold C2 charging, in the time that spring appears in mechanical switch SW1, mechanical switch SW1 two ends produce mutation voltage, the first capacitor C 1 meetingBy larger electric current, because IGCT TR1 is in parallel with mechanical switch SW1 two ends, drive the driving of IGCT TR1 conductingSignal by the major loop of IGCT TR1 by the first capacitor C 1, the first resistance R 1, again through voltage-stabilizing device Z1, Z2 shunting pressure limiting,Then trigger it by the first rectification circuit BR1 of electronic switch (A), the control utmost point that transistor Q1 is connected to IGCT TR1Conducting, for the closed spring of mechanical switch SW1 arc extinguishing; In mechanical switch SW1 disconnection process, when mechanical switch, SW1 has electricityCirculate out-of-date (have electric arc, just have electric current), Current Transmit 1 output signal control electronic switch (A) conducting, drivesThe driving signal of IGCT TR1 conducting by the first capacitor C 1, the first resistance R 1, through voltage-stabilizing device Z1, Z2 shunting pressure limiting,The control utmost point that is connected to IGCT TR1 through electronic switch (A) again triggers its conducting, for mechanical switch SW1 disconnection arc extinguishing, oneDawn IGCT TR1 conducting, mechanical switch SW1 no current passes through, Current Transmit 1 non-output signal, electronic switch (A)Transistor Q1 cut-off, IGCT TR1 turn-offs voluntarily in the time of current over-zero, ON time is extremely short, can reach cycle half.
As shown in Figure 4, be the embodiment three-circuit schematic diagram of the utility model arc-control device and Switch without electric arc, it comprises IGCTTR1, the first capacitor C 1 (current limiting element), the first resistance R 1, voltage-stabilizing device Z1, Z2 (be two Zener diode differential concatenations,Also can adopt a two-way Zener diode), Current Transmit 1, electronic switch (A), IGCT TR1 and required arc extinguishingMechanical switch SW1 parallel connection, Current Transmit 1 is connected with mechanical switch SW1, and Current Transmit 1 detects by machinery to be openedClose the electric current of SW1, the On current of IGCT TR1 is without Current Transmit 1, and the output of Current Transmit 1 is with electricThe control end of sub-switch (A) connects, and the signal that Current Transmit 1 is exported is for driving electronic switch (A), the first resistanceR1 and the first capacitor C 1 form series circuit, drive the driving signal of IGCT TR1 conducting by the main circuit terminal of IGCT TR1Be connected to the control utmost point of IGCT TR1 by this series circuit, electronic switch (A), electronic switch (A) connects voltage-stabilizing deviceZ1, Z2 (be two Zener diode differential concatenations, also can adopt a two-way Zener diode) are to by the first resistance R 1 and theThe driving signal shunting of one capacitor C 1, for the protection of electronic switch (A), reduces the requirement of withstand voltage of electronic switch (A).
Electronic switch (A): be semiconductor on-off circuit, it comprises the first rectification circuit BR1, the second rectification circuit BR2, crystalline substanceBody pipe Q1 (being triode, can be also FET), the second capacitor C 2, the second resistance R 2, the 3rd resistance R 3, the 4th electricityResistance R4, the first ac input end of the first rectification circuit BR1 is connected with the driving signal of the IGCT TR1 of input, the first rectificationThe second ac input end of circuit BR1 is connected with the control utmost point of IGCT TR1, the DC output end of the first rectification circuit BR1 withThe output of transistor Q1 connects, and the ac input end of the second rectification circuit BR2 is connected with the output of Current Transmit 1,The DC output end of the second rectification circuit BR2 is connected with the control end of transistor Q1 by the 4th resistance R 4, the second capacitor C 2 andThe 3rd resistance R 3 is composed in series resistance-capacitance circuit, and transistor Q1 input series connection the 4th resistance R 4 forms tandem drive circuit, capacitance-resistanceCircuit is in parallel with tandem drive circuit, the second capacitor C 2, the second capacitor C 2 of the DC output end parallel connection of the second rectification circuit BR2Have energy storage phase shift effect, for improving the effect of arc extinguishing, the second resistance R 2 is (by the 3rd resistance R 3) and the second electric capacityThe resistance of C2 parallel connection, for the second capacitor C 2 is discharged, the 4th resistance R 4 is passed through transistor Q1 for time delay the second capacitor C 2The velocity of discharge, the 3rd resistance R 3 for reducing the second capacitor C 2 charging currents, mechanical switch SW1 in the time that mechanical switch is closedWhen closed, Current Transmit 1 keeps the driving force to transistor Q1 when the second capacitor C 2 is charged, for machineryThe spring arc extinguishing of switch SW 1; The capacity parameter of the second capacitor C 2 is set and is required in the time of the Current Transmit 1 no-output signal of telecommunication,The time of the second capacitor C 2 stored charge driving transistors Q1 outputs is less than half cycle of alternating current by mechanical switch SW1.
The course of work: in mechanical switch SW1 closing course, in the time that mechanical switch SW1 has electric current to pass through, Current Transmit 1Output signal is through the second rectification circuit BR2 rectification, the 4th resistance R 4 driving transistors Q1 conductings of electronic switch (A), simultaneouslyBy the 3rd resistance R 3, the second capacitor C 2 is charged, in the time that spring appears in mechanical switch SW1, mechanical switch SW1 two ends produceMutation voltage, the first capacitor C 1 can, by larger electric current, because IGCT TR1 is in parallel with mechanical switch SW1 two ends, be drivenThe driving signal of moving IGCT TR1 conducting by the major loop of IGCT TR1 by the first capacitor C 1, the first resistance R 1, again through steadyVoltage device Z1, Z2 shunt pressure limiting, are then connected to crystalline substance by the first rectification circuit BR1, the transistor Q1 of electronic switch (A)The control utmost point of brake tube TR1 triggers its conducting, for the closed spring of mechanical switch SW1 arc extinguishing, disconnects process at mechanical switch SW1In, in the time that mechanical switch SW1 has electric current to pass through, (there is electric arc, just have electric current), Current Transmit 1 output signal control electricitySub-switch (A) conducting, the driving signal that drives IGCT TR1 conducting is by the first capacitor C 1, the first resistance R 1, through voltage stabilizingDevice Z1, Z2 shunting pressure limiting, be again connected to IGCT TR1 through electronic switch (A) the control utmost point trigger its conducting, for machineTool switch SW 1 disconnection arc extinguishing, once IGCT TR1 conducting, mechanical switch SW1 no current passes through, Current Transmit 1 nothingOutput signal, the transistor Q1 cut-off of electronic switch (A), IGCT TR1 turn-offs voluntarily in the time of current over-zero, ON timeExtremely short, can reach cycle half.
The withstand voltage of the electronic switch (A) of above Fig. 3, Fig. 4 embodiment can be less than the nominal operation electricity at IGCT TR1 two endsPress, the first rectification circuit BR1 and transistor Q1 select conventional voltage devices (as the triodes such as 8050).
In above embodiment, electronic switch (A) be connected with the loop of the driving signal of IGCT TR1 (for being connected in series, forDisconnect and drive signal), the driving signal of IGCT TR1 is connected to the control utmost point of IGCT TR1 by electronic switch (A),In actual use, also can adopt normally closed electronic switch (A) to be connected (in parallel company with the loop of the driving signal of IGCT TR1Connect, drive signal for bypass), operation principle is identical; IGCT has adopted bidirectional thyristor, also can use in actual applicationsUnidirectional thyristor or other IGCT, operation principle is identical.
Above embodiment, has the following advantages:
1, IGCT TR1 is extremely short at the required ON time of arc extinguishing process, can reach cycle half, and in mechanical switch SW1 closureIn the course of work, without IGCT shorting advance, just can play the effect of closed arc extinguishing, have IGCT overload capacity strong, canLean on the advantage that property is high and cost is low.
2, the driving signal of IGCT TR1 is provided by its major loop, and Current Transmit 1 drives electronic switch (A), due to electricityThe transistorized electric current amplification of sub-switch (A), the required output driving current of Current Transmit 1 can be very little, Ke YiweiTens microamperes, current transformer has advantages of that volume is little, cost is low, even the load current of an ampere also can be responded toTo enough drive signal current, reach satisfied arc quenching effect, can be applicable to relay, button, travel switch even load notLarge mechanical switch arc extinguishing.
3, the non-electrical isolation in electronic switch (A) input and output loop, and requirement of withstand voltage is low, can adopt common low withstand voltage unitDevice, has advantages of that response speed, cost are extremely fast low.
4, the utility model arc-control device adopts current transformer to drive the working method of electronic switch (A), has adaptation wideAdvantage, the utility model arc-control device can for contactor, relay, button, breaker etc. include drive coil andWithout arc extinguishing in the switch of drive coil.
5, the first capacitor C 1 and the first resistance R 1 are composed in series resistance-capacitance circuit, can also play and absorb overvoltage and reduce dv/dtThe effect of value, protection IGCT TR1 is not by over-voltage breakdown and prevent that IGCT TR1 from misleading.
Comprise the implication of the one-period time of interchange with cycle above, when half cycle includes the half period of interchangeBetween, first of rectification circuit exchanges end and the second interchange end is for convenience of describing the different end points of differentiation relatively in the text, should in realityWith in can at will define.
Claims (14)
1. an arc-control device, is characterized in that: it comprises an IGCT, a current limiting element, a current transformer and an electronic switch,Described IGCT is in parallel with the mechanical switch of required arc extinguishing, and described current transformer is used for being connected with described mechanical switch, instituteState current transformer and detect by the electric current of described mechanical switch, the On current of described IGCT is without described current transformer,The output of described current transformer is connected with the control end of described electronic switch, and the signal of described current transformer output is used for drivingMoving described electronic switch, the driving signal that drives described IGCT conducting by the main circuit terminal of described IGCT by described current limliting unitPart is connected to the control utmost point of described IGCT, and described electronic switch is connected with the loop of described driving signal.
2. arc-control device according to claim 1, is characterized in that: described current limiting element is the first electric capacity.
3. arc-control device according to claim 2, is characterized in that: also comprise the first resistance, described the first resistance and described firstCapacitance group becomes series circuit, and described driving signal is connected to the control of described IGCT by described series circuit, described electronic switchThe utmost point processed, described electronic switch connects at least one voltage-stabilizing device, and described voltage-stabilizing device is shunted described driving signal, for the protection of instituteState electronic switch.
4. arc-control device according to claim 3, is characterized in that: described electronic switch is semiconductor on-off circuit, described halfThe withstand voltage of conductor switch circuit is less than the rated operational voltage at described IGCT two ends.
5. arc-control device according to claim 4, is characterized in that: described semiconductor switch circuit comprises transistor, a rectified currentRoad, the DC output end of described rectification circuit is connected with described transistor output, described transistorized control end and described electric currentThe output of transformer connects.
6. arc-control device according to claim 5, is characterized in that: described transistor comprises the first transistor, transistor seconds,The input reverse parallel connection composition parallel circuit of the input of described the first transistor and described transistor seconds, described parallel circuitBe connected with the output of described current transformer.
7. arc-control device according to claim 5, is characterized in that: described transistor is triode or FET.
8. arc-control device according to claim 4, is characterized in that: described semiconductor switch circuit comprises the first rectification circuit,Two rectification circuits, a transistor, the first ac input end of described the first rectification circuit is connected with described driving signal, and describedThe second ac input end of one rectification circuit is connected with the control utmost point of described IGCT, the DC output end of described the first rectification circuitBe connected with described transistorized output, the ac input end of described the second rectification circuit and the output of described current transformer connectConnect, the DC output end of described the second rectification circuit is connected with described transistorized control end.
9. arc-control device according to claim 8, is characterized in that: described transistor is triode or FET.
10. arc-control device according to claim 8, is characterized in that: DC output end second electricity in parallel of described the second rectification circuitHold.
11. arc-control devices according to claim 10, is characterized in that: described second Capacitance parallel connection the second resistance, described the second electricityResistance is used for described the second capacitor discharge.
12. arc-control devices according to claim 11, is characterized in that: in the time of the described current transformer no-output signal of telecommunication, described inThe second capacitive charge storage drives the time of described transistor output to be less than half cycle of alternating current by described mechanical switch.
13. arc-control devices according to claim 11, is characterized in that: described the second electric capacity and the 3rd resistance are composed in series capacitance-resistance electricityRoad, described transistor input series connection the 4th resistor group becomes series connection drive circuit, described resistance-capacitance circuit and described tandem drive circuitIn parallel.
14. 1 kinds of Switch without electric arc, is characterized in that: it comprise arc-control device described in the arbitrary claim of claim 1 to 13, described inMechanical switch, described arc-control device is connected with described mechanical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050102.0U CN205248148U (en) | 2014-12-11 | 2015-12-09 | Arc control device and do not have arc switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410805013 | 2014-12-11 | ||
| CN2014108050136 | 2014-12-11 | ||
| CN2015100106049 | 2015-01-05 | ||
| CN201510010604 | 2015-01-05 | ||
| CN201521050102.0U CN205248148U (en) | 2014-12-11 | 2015-12-09 | Arc control device and do not have arc switch |
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| CN205248148U true CN205248148U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521050102.0U Expired - Fee Related CN205248148U (en) | 2014-12-11 | 2015-12-09 | Arc control device and do not have arc switch |
| CN201510962469.8A Active CN105428117B (en) | 2014-12-11 | 2015-12-09 | Arc extinguishing device |
| CN201510962470.0A Active CN105428118B (en) | 2014-12-11 | 2015-12-09 | Arc-control device and Switch without electric arc |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510962469.8A Active CN105428117B (en) | 2014-12-11 | 2015-12-09 | Arc extinguishing device |
| CN201510962470.0A Active CN105428118B (en) | 2014-12-11 | 2015-12-09 | Arc-control device and Switch without electric arc |
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| CN (3) | CN205248148U (en) |
| WO (1) | WO2016091178A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428118A (en) * | 2014-12-11 | 2016-03-23 | 广州市金矢电子有限公司 | Arc extinguishing device and non-arc switch |
| CN111696802A (en) * | 2019-09-30 | 2020-09-22 | 刘卫歧 | Intelligent chip set module of non-arc switch |
| WO2021129562A1 (en) * | 2019-12-23 | 2021-07-01 | 郭桥石 | Arc extinction switch and method for using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110993403B (en) * | 2017-07-24 | 2023-07-25 | 广州市金矢电子有限公司 | DC arc extinguishing circuit and device |
| CN111527575B (en) * | 2017-09-14 | 2023-01-10 | 广州市金矢电子有限公司 | DC arc-extinguishing device |
| CN108400134A (en) * | 2018-05-11 | 2018-08-14 | 江苏能华微电子科技发展有限公司 | A kind of Schottky diode component and its manufacturing method |
| CN110350899A (en) * | 2019-08-09 | 2019-10-18 | 广东福田电器有限公司 | Noncontacting switch |
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| CN2194029Y (en) * | 1994-05-14 | 1995-04-05 | 李欣 | Electronic arc-extinguishing means |
| FR2794890B1 (en) * | 1999-06-08 | 2001-08-10 | Crouzet Automatismes | ELECTROMECHANICAL RELAY ASSISTED SWITCHING BY SEMICONDUCTOR |
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| EP2575152B1 (en) * | 2011-09-30 | 2020-07-29 | Tyco Electronics UK Ltd. | Portable arc preventing device |
| CN103021739B (en) * | 2012-11-30 | 2014-10-15 | 西安交通大学 | Hybrid direct-current circuit breaker |
| CN104392859B (en) * | 2014-03-07 | 2017-04-05 | 广州市金矢电子有限公司 | Electronic arc-suppressor |
| CN104392860B (en) * | 2014-03-07 | 2017-04-12 | 广州市金矢电子有限公司 | Capacitive coupled type arc extinguishing circuit and capacitive coupled type arc extinguishing device |
| CN104409256B (en) * | 2014-03-07 | 2016-08-17 | 广州市金矢电子有限公司 | Current feedback electronic arc-suppressor |
| CN204204692U (en) * | 2014-04-04 | 2015-03-11 | 广州市金矢电子有限公司 | Current monitoring formula electronic arc-suppressor |
| CN205248148U (en) * | 2014-12-11 | 2016-05-18 | 广州市金矢电子有限公司 | Arc control device and do not have arc switch |
-
2015
- 2015-12-09 CN CN201521050102.0U patent/CN205248148U/en not_active Expired - Fee Related
- 2015-12-09 CN CN201510962469.8A patent/CN105428117B/en active Active
- 2015-12-09 CN CN201510962470.0A patent/CN105428118B/en active Active
- 2015-12-10 WO PCT/CN2015/096885 patent/WO2016091178A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428118A (en) * | 2014-12-11 | 2016-03-23 | 广州市金矢电子有限公司 | Arc extinguishing device and non-arc switch |
| CN105428118B (en) * | 2014-12-11 | 2018-06-22 | 广州市金矢电子有限公司 | Arc-control device and Switch without electric arc |
| CN111696802A (en) * | 2019-09-30 | 2020-09-22 | 刘卫歧 | Intelligent chip set module of non-arc switch |
| WO2021129562A1 (en) * | 2019-12-23 | 2021-07-01 | 郭桥石 | Arc extinction switch and method for using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105428117B (en) | 2017-06-30 |
| CN105428118A (en) | 2016-03-23 |
| CN105428117A (en) | 2016-03-23 |
| WO2016091178A1 (en) | 2016-06-16 |
| CN105428118B (en) | 2018-06-22 |
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