WO2017125053A1 - Direct-current arc-extinguishing power device drive apparatus and arc-extinguishing apparatus - Google Patents

Direct-current arc-extinguishing power device drive apparatus and arc-extinguishing apparatus Download PDF

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Publication number
WO2017125053A1
WO2017125053A1 PCT/CN2017/071790 CN2017071790W WO2017125053A1 WO 2017125053 A1 WO2017125053 A1 WO 2017125053A1 CN 2017071790 W CN2017071790 W CN 2017071790W WO 2017125053 A1 WO2017125053 A1 WO 2017125053A1
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Prior art keywords
power device
transistor
arc extinguishing
switch
capacitor
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PCT/CN2017/071790
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French (fr)
Chinese (zh)
Inventor
郭桥石
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广州市金矢电子有限公司
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Priority claimed from CN201610116841.8A external-priority patent/CN105610301A/en
Application filed by 广州市金矢电子有限公司 filed Critical 广州市金矢电子有限公司
Publication of WO2017125053A1 publication Critical patent/WO2017125053A1/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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • 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

Definitions

  • the DC arc extinguishing power device driving device and the arc extinguishing device of the invention belong to the field of electricity, in particular to a DC arc extinguishing power device driving device suitable for driving a power device in a DC electronic arc extinguishing device, and a DC mechanical switch Arc extinguishing device for arc extinguishing.
  • the DC electronic arc extinguishing device with parallel switch and switch can not obtain the driving energy of the power device directly from the main loop DC power supply (non-isolated) when the source or the emitter is required to be loaded.
  • the independent DC drive signal is required to drive the saturation of the power device. It has the disadvantages of complicated circuit, low cost performance, large size and difficult to popularize.
  • the object of the present invention is to provide a direct (non-isolated) driving energy of a power device obtained by a main loop DC power supply, and can achieve saturation conduction of a driving power device, in view of the deficiencies of the existing DC electronic arc extinguishing power device driving.
  • a DC arc extinguishing power device driving device includes a first semiconductor switch, a first capacitor, a first current limiting component, and a second semiconductor switch; the first semiconductor switch, the first capacitor, and the first current limiting component are connected in series to form a first a series circuit; the first semiconductor switch is connected in series with the first capacitor to form a second series circuit, and the second semiconductor switch is connected in parallel with the second series circuit; the first semiconductor switch end of the first series circuit and the first of the power devices required to be driven End connection, the first current limiting component end of the first series circuit is connected to the power terminal; the common end of the first semiconductor switch and the first capacitor is connected to the second end of the power device; the third end of the power device, the power device The first end is respectively connected to both ends of the mechanical switch required to extinguish the arc.
  • a DC arc extinguishing power device driving device the first end of the power device is a connection end of the load, and the first series circuit is connected in parallel with the load.
  • a DC arc extinguishing power device driving device the first current limiting component is a resistor, and the first semiconductor switch is a diode.
  • a DC arc extinguishing power device driving device comprises a voltage stabilizing device; the voltage stabilizing device is connected in parallel with the first capacitor, or the voltage stabilizing device is connected in parallel with the first capacitor through the first semiconductor switch.
  • a DC arc extinguishing power device driving device wherein the second semiconductor switch is a semi-controlled switch.
  • a DC arc extinguishing power device driving device comprising at least a thyristor or a thyristor equivalent circuit.
  • a DC arc extinguishing power device driving device wherein a control end of the second semiconductor switch is connected to a third end of the power device.
  • a DC arc extinguishing power device driving device the second semiconductor switch comprises a trigger switch, a first transistor, a second capacitor, the trigger switch is connected in parallel with the second series circuit, the third end of the power device, and the first end of the power device The potential difference signal is amplified by the second capacitor, and then transmitted to the trigger pole of the trigger switch.
  • a DC arc extinguishing power device driving device the trigger switch is a thyristor or a thyristor equivalent circuit.
  • a DC arc extinguishing power device driving device comprises a voltage detecting switch, wherein two ends of the voltage detecting switch are respectively connected with the second end of the power device and the first end of the power device.
  • a DC arc extinguishing power device driving device wherein a voltage detecting switch is turned on when a voltage between a second end of the power device and a first end of the power device is less than a voltage required for driving the power device to saturate.
  • a DC arc extinguishing power device driving device wherein a common end of the first current limiting component and the first capacitor is connected to the detecting end of the voltage detecting switch.
  • a DC arc extinguishing power device driving device wherein the voltage detecting switch comprises a voltage stabilizing device, a second transistor, a third transistor, a fourth resistor, a fifth resistor, a sixth resistor, a collector of the second transistor and a third transistor
  • the base is connected, the collector of the second transistor is connected to the collector of the third transistor through the fifth resistor, the collector of the third transistor, the emitter of the third transistor is the main loop end of the voltage detecting switch, the fourth resistor, the voltage regulator
  • the device, the base of the second transistor and the emitter of the second transistor are connected in series to form a third series circuit, the third series circuit is connected in parallel with the first capacitor, and the two ends of the sixth resistor are respectively connected to the base of the second transistor and the second
  • the emitter of the transistor is connected, and the emitter of the second transistor is connected to the emitter of the third transistor.
  • a DC arc extinguishing power device driving device wherein the voltage detecting switch is a two-terminal circuit.
  • a DC arc extinguishing power device driving device wherein the voltage detecting switch comprises a voltage stabilizing device, a second transistor, a third transistor, a fourth resistor, a fifth resistor, a sixth resistor, a third capacitor, and a collector of the second transistor
  • the base of the third transistor is connected, the collector of the second transistor is connected to the collector of the third transistor through the fifth resistor, the collector of the third transistor, the emitter of the third transistor is the main loop end of the voltage detecting switch, and the fourth a resistor, a voltage stabilizing device, a base of the second transistor, and an emitter of the second transistor are connected in series a series circuit, the series circuit is connected in parallel with the main circuit end of the voltage detecting switch, and two ends of the sixth resistor are respectively connected to the base of the second transistor and the emitter of the second transistor, and the emitter and the third transistor of the second transistor The emitter is connected, and the two ends of the third capacitor are respectively connected to the base of the third transistor and the emitter of
  • a DC arc extinguishing power device driving device the anode of the first semiconductor switch is connected to the first end of the power device, the power device is an IGBT, or an NPN type triode, or an N-channel field effect transistor, and the first end of the power device is an IGBT
  • the emitter, or the emitter of the transistor, or the source of the FET, the second end of the power device is the gate of the IGBT, or the base of the transistor, or the gate of the FET.
  • a DC arc extinguishing power device driving device comprises a photocoupler for enabling a second semiconductor switch, and a control end of the photocoupler is used for connecting with a control end of the mechanical switch.
  • An arc extinguishing device comprising the DC arc extinguishing power device driving device, further comprising a power device, wherein the DC arc extinguishing power device driving device is connected to the power device.
  • An arc extinguishing device comprises a pin, a DC arc extinguishing power device driving device, a power device packaged in an insulating material, a DC arc extinguishing power device driving device, and a power device are connected through a corresponding pin to a mechanical switch and a working power source.
  • An arc extinguishing device includes a photocoupler for enabling a second semiconductor switch, and a control end of the photocoupler is used for connecting to a control end of the mechanical switch.
  • An arc extinguishing device comprising a lead, a DC arc extinguishing power device driving device, a power device, a photocoupler packaged in an insulating material, a DC arc extinguishing power device driving device, a power device through a corresponding pin for use with a mechanical switch, Working power connection.
  • a DC arc extinguishing power device driving device includes a first semiconductor switch D1, a first capacitor C1, a first current limiting element R1 (resistance), a second semiconductor switch SCR1; and a first semiconductor switch D1
  • the first capacitor C1 and the first current limiting element R1 are connected in series to form a first series circuit
  • the first semiconductor switch D1 is connected in series with the first capacitor C1 to form a second series circuit
  • the second semiconductor switch SCR1 is connected in parallel with the second series circuit
  • the first semiconductor switch D1 end of the first series circuit is connected to the first end of the power device QA to be driven, and the first current limiting element R1 end of the first series circuit is connected to the power supply terminal
  • the first semiconductor switch D1 and the first The common end of the capacitor C1 is connected to the second end of the power device QA; the third end of the power device QA and the first end of the power device QA are respectively connected to the two ends of the mechanical switch K1 required to be extinguished.
  • the DC power source rapidly charges the first capacitor C1 through the first semiconductor switch D1 and the first current limiting element R1, and controls the second semiconductor when the mechanical switch K1 is turned off.
  • the switch SCR1 is turned on, the first capacitor C1 forms a driving loop through the second end of the power device QA, and the first end of the power device QA, and the power device QA is turned on when the two ends of the power device QA reach the on-state voltage thereof.
  • the mechanical switch K1 has no arc breaking purpose.
  • the invention has reasonable design and has the advantages of simple circuit, high cost performance and high reliability.
  • FIG. 1 is a circuit diagram of a driving device for a DC arc extinguishing power device of the present invention.
  • FIG. 2 is a circuit schematic diagram of a first embodiment of a direct current arc extinguishing power device driving device and an arc extinguishing device according to the present invention.
  • FIG. 3 is an equivalent circuit diagram of a thyristor of the first embodiment of the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention.
  • FIG. 4 is a schematic diagram 1 of a voltage detecting circuit of the first embodiment of the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention.
  • FIG. 5 is a schematic diagram 2 of the voltage detecting circuit of the first embodiment of the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention.
  • Figure 6 is a top view of the arc extinguishing device of the present invention.
  • Figure 7 is a second outline of the arc extinguishing device of the present invention.
  • the first embodiment of the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention is as shown in FIG. 2:
  • a DC arc extinguishing power device driving device comprising a first semiconductor switch D1 (diode), a first capacitor C1, a first current limiting element R1 (resistance), a second semiconductor switch (A), and a voltage detecting switch (B) a voltage stabilizing device Z1 (stabilizing diode), a photocoupler OPT1; a first semiconductor switch D1, a first capacitor C1, and a first current limiting element R1 are sequentially connected in series to form a first series circuit; the first semiconductor switch D1 and the first The capacitor C1 is connected in series to form a second series circuit, and the second semiconductor switch (A) is connected in parallel with the second series circuit; the first semiconductor switch D1 end of the first series circuit is connected to the first end of the power device QA to be driven, a first current limiting element R1 end of the series circuit is connected to the power end; a common end of the first semiconductor switch D1 connected to the first capacitor C1 is connected to the second end of the power device QA; the third end
  • the photocoupler OPT1 is used to enable the second semiconductor switch (A).
  • the control end of the optocoupler OPT1 is connected to the control end of the mechanical switch K1.
  • the specific connection relationship between the output end of the optocoupler OPT1 and the circuit can be determined according to the specific situation. It is selected that the optocoupler OPT1 can be omitted when the operating frequency requirement of the mechanical switch K1 is not particularly high.
  • the second semiconductor switch (A) is a half-controlled switch whose control terminal is connected to the third end of the power device QA, including a trigger switch SCR1 (thyristor), a first transistor Q1, a second capacitor C2, a trigger switch SCR1 and a
  • the two series circuits are connected in parallel, and the potential difference signal between the third end of the power device QA and the first end of the power device QA is amplified by the second capacitor C2 and transmitted to the trigger pole of the trigger switch SCR1.
  • the trigger switch SCR1 can adopt the thyristor equivalent circuit as shown in FIG. 3, and the constant current circuit can also be added according to the thyristor equivalent circuit as needed.
  • the voltage detecting switch (B) includes a voltage stabilizing device Z2, a second transistor Q2, a third transistor Q3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, and a voltage detecting switch (B)
  • the working energy is supplied from the first capacitor C1, the collector of the second transistor Q2 is connected to the base of the third transistor Q3, and the collector of the second transistor Q2 is connected to the collector of the third transistor Q3 through the fifth resistor R5, and the third
  • the collector of the transistor Q3, the emitter of the third transistor Q3 is the main loop terminal of the voltage detecting switch (B), the fourth resistor R4, the voltage stabilizing device Z2, the base of the second transistor Q2 and the emitter of the second transistor Q2 are connected in series.
  • the third series circuit is connected in parallel with the first capacitor C1.
  • the two ends of the sixth resistor R6 are respectively connected to the base of the second transistor Q2 and the emitter of the second transistor Q2, and the second transistor Q2 is emitted.
  • the pole is connected to the emitter of the third transistor Q3.
  • the voltage detecting switch (B) may also be a two-terminal circuit, as shown in FIG. 5, including a voltage stabilizing device Z2, a second transistor Q2, a third transistor Q3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6,
  • the third capacitor C3, the collector of the second transistor Q2 is connected to the base of the third transistor Q3, the collector of the second transistor Q2 is connected to the collector of the third transistor Q3 through the fifth resistor R5, and the set of the third transistor Q3
  • the electrode, the third transistor Q3 emits the main circuit end of the voltage detecting switch, the fourth resistor R4, the voltage stabilizing device Z2, the base of the second transistor Q2, and the emitter of the second transistor Q2 are connected in series to form a series circuit.
  • the circuit is connected in parallel with the main loop end of the voltage detecting switch, and the two ends of the sixth resistor R6 are respectively connected to the base of the second transistor Q2 and the emitter of the second transistor Q2, and the emitter of the second transistor Q2 and the third transistor Q3
  • the emitter is connected, and both ends of the third capacitor C3 are respectively connected to the base of the third transistor Q3 and the emitter of the third transistor Q3.
  • the voltage detection switch (B) discharges the junction capacitance of the first capacitor C1 and the power device QA, which can prevent the power device QA from operating in the amplification region, improve the power device QA overload capability, reduce the temperature rise, and speed up the second half.
  • the conductor switch (A) is cut off to increase the secondary response speed of the arc extinguishing device.
  • An arc extinguishing device comprising the DC arc extinguishing power device driving device further comprises a power device QA, and the DC arc extinguishing power device driving device is connected to the power device QA.
  • the DC power source rapidly charges the first capacitor C1 through the first semiconductor switch D1 and the first current limiting element R1, and when the mechanical switch K1 is turned off, the second semiconductor switch (A) is turned on, the first capacitor C1 forms a driving loop through the second end of the power device QA, the first end of the power device QA, and the power device QA is turned on when its two ends reach its on-state voltage, and the voltage detecting switch ( B) conducting when the voltage between the second end of the power device QA and the first end of the power device QA is less than the voltage required to drive the power device QA to saturate, and the first capacitor C1 and the power device QA The junction charge between the two terminals and the first end of the power device QA is rapidly discharged to prevent the power device QA from operating in the amplification region, and the mechanical switch K1 has no arc breaking.
  • the anode of the first semiconductor switch D1 is connected to the first end of the power device QA
  • the power device QA may be an IGBT, an NPN transistor, or an N-channel FET, and the first end of the power device QA is an IGBT.
  • the emitter, or the emitter of the transistor, or the source of the FET, the second end of the power device QA is the gate of the IGBT, or the base of the transistor, or the gate of the FET.
  • the DC arc extinguishing power device driving device of the first embodiment is integrally connected with the power device as an arc extinguishing device, a DC arc extinguishing power device driving device and a power.
  • the device is packaged in an insulating material.
  • the DC arc-extinguishing power device driver, power device, and optocoupler (if needed) are connected through pins to the mechanical switch and working power supply required to extinguish the arc.
  • the third resistor R3 is used to improve the working stability of the power device, and the first capacitor C1 discharge loop is provided.
  • the power device QA has a built-in resistor, it may be omitted. Both ends of the third resistor R3 and the power device QA The first end, the second end of the power device QA is connected, and the second resistor R2 connected in series with the discharge circuit of the first capacitor C1 is used for current limiting, and is used as needed.
  • the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention have the following advantages:
  • Capacitance capacity requirements are small (10 microfarads or less, it is recommended to use non-polar capacitors, chip ceramic capacitors), plastic packaging technology can be used to facilitate integration and batchization.
  • the arc extinguishing device of the present invention can be applied to a mechanical switch having no control coil such as a push button switch or a stroke switch without a synchronization signal, and has a wide application range.

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Abstract

Disclosed are a direct-current arc-extinguishing power device drive apparatus and an arc-extinguishing apparatus, which belong to the field of electricity. The direct-current arc-extinguishing power device drive apparatus, which is suitable for an arc-extinguishing apparatus of a direct-current mechanical switch and is used for driving a power device, comprises a first semiconductor switch, a first capacitor, a first current limiting element and a second semiconductor switch. The first semiconductor switch, the first capacitor and the first current limiting element are connected in series to form a first series circuit; the first semiconductor switch and the first capacitor are connected in series to form a second series circuit; the second semiconductor switch and the second series circuit are connected in parallel; the first semiconductor switch end of the first series circuit is connected to a first end of a power device needing to be driven; the first current limiting element end of the first series circuit is connected to a power source end; a common end of the first semiconductor switch connected to the first capacitor is connected to a second end of the power device; and a third end of the power device and the first end of the power device are respectively connected to two ends of a mechanical switch needing to be subjected to arc-extinguishing. The present invention has the advantages of small volume and high cost performance.

Description

直流灭弧功率器件驱动装置及灭弧装置DC arc extinguishing power device driving device and arc extinguishing device 技术领域Technical field
本发明直流灭弧功率器件驱动装置及灭弧装置属于电学领域，特别是一种适合于直流电子灭弧装置中用于驱动功率器件的直流灭弧功率器件驱动装置，一种用于直流机械开关灭弧的灭弧装置。The DC arc extinguishing power device driving device and the arc extinguishing device of the invention belong to the field of electricity, in particular to a DC arc extinguishing power device driving device suitable for driving a power device in a DC electronic arc extinguishing device, and a DC mechanical switch Arc extinguishing device for arc extinguishing.
背景技术Background technique
在直流电控***，由于直流电压不存在零点，当继电器等机械开关对负载进行分断控制时，其分断电弧大，存在机械开关的电寿命很短的缺点，为此也出现过利用功率器件与机械开关并联的直流电子灭弧装置，当需要源极或发射极为负载端时，无法从主回路直流电源直接(非隔离)获得功率器件的驱动能量，需要独立的直流驱动信号才能驱动功率器件饱和导通，其存在电路复杂、性价比不高、体积大、很难普及的缺点。In the DC electronic control system, since there is no zero point in the DC voltage, when the mechanical switch such as a relay breaks the load, the breaking arc is large, and the electrical life of the mechanical switch is short. Therefore, the use of power devices and machinery has also occurred. The DC electronic arc extinguishing device with parallel switch and switch can not obtain the driving energy of the power device directly from the main loop DC power supply (non-isolated) when the source or the emitter is required to be loaded. The independent DC drive signal is required to drive the saturation of the power device. It has the disadvantages of complicated circuit, low cost performance, large size and difficult to popularize.
发明内容Summary of the invention
本发明的目的在于针对现有直流电子灭弧功率器件驱动的不足之处，提供一种直接(非隔离)由主回路直流电源获得功率器件的驱动能量，且能达到驱动功率器件饱和导通的直流灭弧功率器件驱动装置，及一种采用本发明直流灭弧功率器件驱动装置的灭弧装置。The object of the present invention is to provide a direct (non-isolated) driving energy of a power device obtained by a main loop DC power supply, and can achieve saturation conduction of a driving power device, in view of the deficiencies of the existing DC electronic arc extinguishing power device driving. A DC arc extinguishing power device driving device, and an arc extinguishing device using the DC arc extinguishing power device driving device of the invention.
实现本发明的目的是通过以下技术方案来达到的：The object of the present invention is achieved by the following technical solutions:
一种直流灭弧功率器件驱动装置，包括第一半导体开关、第一电容、第一限流元件、第二半导体开关；第一半导体开关、第一电容、第一限流元件串联而成第一串联电路；第一半导体开关与第一电容串联而成第二串联电路，第二半导体开关与第二串联电路并联；第一串联电路的第一半导体开关端与所需驱动的功率器件的第一端连接，第一串联电路的第一限流元件端与电源端连接；第一半导体开关与第一电容连接的共同端与功率器件的第二端连接；功率器件的第三端、功率器件的第一端分别与所需灭弧的机械开关两端连接。A DC arc extinguishing power device driving device includes a first semiconductor switch, a first capacitor, a first current limiting component, and a second semiconductor switch; the first semiconductor switch, the first capacitor, and the first current limiting component are connected in series to form a first a series circuit; the first semiconductor switch is connected in series with the first capacitor to form a second series circuit, and the second semiconductor switch is connected in parallel with the second series circuit; the first semiconductor switch end of the first series circuit and the first of the power devices required to be driven End connection, the first current limiting component end of the first series circuit is connected to the power terminal; the common end of the first semiconductor switch and the first capacitor is connected to the second end of the power device; the third end of the power device, the power device The first end is respectively connected to both ends of the mechanical switch required to extinguish the arc.
一种直流灭弧功率器件驱动装置，功率器件的第一端为负载的连接端，第一串联电路与负载并联。A DC arc extinguishing power device driving device, the first end of the power device is a connection end of the load, and the first series circuit is connected in parallel with the load.
一种直流灭弧功率器件驱动装置，第一限流元件为一电阻，第一半导体开关为一二极管。 A DC arc extinguishing power device driving device, the first current limiting component is a resistor, and the first semiconductor switch is a diode.
一种直流灭弧功率器件驱动装置，包括一稳压器件；稳压器件与第一电容并联，或稳压器件通过第一半导体开关与第一电容并联。A DC arc extinguishing power device driving device comprises a voltage stabilizing device; the voltage stabilizing device is connected in parallel with the first capacitor, or the voltage stabilizing device is connected in parallel with the first capacitor through the first semiconductor switch.
一种直流灭弧功率器件驱动装置，第二半导体开关为半控型开关。A DC arc extinguishing power device driving device, wherein the second semiconductor switch is a semi-controlled switch.
一种直流灭弧功率器件驱动装置，半控型开关至少包括一晶闸管或一晶闸管等效电路。A DC arc extinguishing power device driving device, the semi-controlled switch comprising at least a thyristor or a thyristor equivalent circuit.
一种直流灭弧功率器件驱动装置，第二半导体开关的控制端与功率器件的第三端连接。A DC arc extinguishing power device driving device, wherein a control end of the second semiconductor switch is connected to a third end of the power device.
一种直流灭弧功率器件驱动装置，第二半导体开关包括触发开关、第一晶体管、第二电容，触发开关与第二串联电路并联，功率器件的第三端、功率器件的第一端之间的电位差信号通过第二电容、第一晶体管放大后传递至触发开关的触发极。A DC arc extinguishing power device driving device, the second semiconductor switch comprises a trigger switch, a first transistor, a second capacitor, the trigger switch is connected in parallel with the second series circuit, the third end of the power device, and the first end of the power device The potential difference signal is amplified by the second capacitor, and then transmitted to the trigger pole of the trigger switch.
一种直流灭弧功率器件驱动装置，触发开关为一晶闸管或一晶闸管等效电路。A DC arc extinguishing power device driving device, the trigger switch is a thyristor or a thyristor equivalent circuit.
一种直流灭弧功率器件驱动装置，包括一电压检测开关，电压检测开关两端分别与功率器件的第二端、功率器件的第一端连接。A DC arc extinguishing power device driving device comprises a voltage detecting switch, wherein two ends of the voltage detecting switch are respectively connected with the second end of the power device and the first end of the power device.
一种直流灭弧功率器件驱动装置，电压检测开关在功率器件的第二端与功率器件的第一端之间的电压小于驱动功率器件饱和导通所需的电压时导通。A DC arc extinguishing power device driving device, wherein a voltage detecting switch is turned on when a voltage between a second end of the power device and a first end of the power device is less than a voltage required for driving the power device to saturate.
一种直流灭弧功率器件驱动装置，第一限流元件与第一电容连接的共同端，与电压检测开关的检测端连接。A DC arc extinguishing power device driving device, wherein a common end of the first current limiting component and the first capacitor is connected to the detecting end of the voltage detecting switch.
一种直流灭弧功率器件驱动装置，电压检测开关包括一稳压器件、第二晶体管、第三晶体管、第四电阻、第五电阻，第六电阻，第二晶体管的集电极与第三晶体管的基极连接，第二晶体管的集电极通过第五电阻与第三晶体管的集电极连接，第三晶体管的集电极、第三晶体管的发射极为电压检测开关的主回路端，第四电阻、稳压器件、第二晶体管的基极与第二晶体管的发射极串联而成第三串联电路，第三串联电路与第一电容并联，第六电阻的两端分别与第二晶体管的基极、第二晶体管的发射极连接，第二晶体管的发射极与第三晶体管的发射极连接。A DC arc extinguishing power device driving device, wherein the voltage detecting switch comprises a voltage stabilizing device, a second transistor, a third transistor, a fourth resistor, a fifth resistor, a sixth resistor, a collector of the second transistor and a third transistor The base is connected, the collector of the second transistor is connected to the collector of the third transistor through the fifth resistor, the collector of the third transistor, the emitter of the third transistor is the main loop end of the voltage detecting switch, the fourth resistor, the voltage regulator The device, the base of the second transistor and the emitter of the second transistor are connected in series to form a third series circuit, the third series circuit is connected in parallel with the first capacitor, and the two ends of the sixth resistor are respectively connected to the base of the second transistor and the second The emitter of the transistor is connected, and the emitter of the second transistor is connected to the emitter of the third transistor.
一种直流灭弧功率器件驱动装置，电压检测开关为二端电路。A DC arc extinguishing power device driving device, wherein the voltage detecting switch is a two-terminal circuit.
一种直流灭弧功率器件驱动装置，电压检测开关包括一稳压器件、第二晶体管、第三晶体管、第四电阻、第五电阻，第六电阻、第三电容，第二晶体管的集电极与第三晶体管的基极连接，第二晶体管的集电极通过第五电阻与第三晶体管的集电极连接，第三晶体管的集电极、第三晶体管的发射极为电压检测开关的主回路端，第四电阻、稳压器件、第二晶体管的基极与第二晶体管的发射极串联而 成串联电路，该串联电路与电压检测开关的主回路端并联，第六电阻的两端分别与第二晶体管的基极、第二晶体管的发射极连接，第二晶体管的发射极与第三晶体管的发射极连接，第三电容的两端分别与第三晶体管的基极、第三晶体管的发射极连接。A DC arc extinguishing power device driving device, wherein the voltage detecting switch comprises a voltage stabilizing device, a second transistor, a third transistor, a fourth resistor, a fifth resistor, a sixth resistor, a third capacitor, and a collector of the second transistor The base of the third transistor is connected, the collector of the second transistor is connected to the collector of the third transistor through the fifth resistor, the collector of the third transistor, the emitter of the third transistor is the main loop end of the voltage detecting switch, and the fourth a resistor, a voltage stabilizing device, a base of the second transistor, and an emitter of the second transistor are connected in series a series circuit, the series circuit is connected in parallel with the main circuit end of the voltage detecting switch, and two ends of the sixth resistor are respectively connected to the base of the second transistor and the emitter of the second transistor, and the emitter and the third transistor of the second transistor The emitter is connected, and the two ends of the third capacitor are respectively connected to the base of the third transistor and the emitter of the third transistor.
一种直流灭弧功率器件驱动装置，第一半导体开关的阳极与功率器件的第一端连接，功率器件为IGBT、或NPN型三极管、或N沟道场效应管，功率器件的第一端为IGBT的发射极、或三极管的发射极、或场效应管的源极，功率器件的第二端为IGBT的栅极、或三极管的基极、或场效应管的栅极。A DC arc extinguishing power device driving device, the anode of the first semiconductor switch is connected to the first end of the power device, the power device is an IGBT, or an NPN type triode, or an N-channel field effect transistor, and the first end of the power device is an IGBT The emitter, or the emitter of the transistor, or the source of the FET, the second end of the power device is the gate of the IGBT, or the base of the transistor, or the gate of the FET.
一种直流灭弧功率器件驱动装置，包括一光电耦合器，光电耦合器用于使能第二半导体开关，光电耦合器的控制端用于与机械开关的控制端连接。A DC arc extinguishing power device driving device comprises a photocoupler for enabling a second semiconductor switch, and a control end of the photocoupler is used for connecting with a control end of the mechanical switch.
一种灭弧装置，其包括所述的直流灭弧功率器件驱动装置，还包括功率器件，直流灭弧功率器件驱动装置与功率器件连接。An arc extinguishing device comprising the DC arc extinguishing power device driving device, further comprising a power device, wherein the DC arc extinguishing power device driving device is connected to the power device.
一种灭弧装置，包括引脚，直流灭弧功率器件驱动装置、功率器件封装在绝缘材料中，直流灭弧功率器件驱动装置、功率器件通过相应引脚用于与机械开关、工作电源连接。An arc extinguishing device comprises a pin, a DC arc extinguishing power device driving device, a power device packaged in an insulating material, a DC arc extinguishing power device driving device, and a power device are connected through a corresponding pin to a mechanical switch and a working power source.
一种灭弧装置，包括一光电耦合器，光电耦合器用于使能第二半导体开关，光电耦合器的控制端用于与机械开关的控制端连接。An arc extinguishing device includes a photocoupler for enabling a second semiconductor switch, and a control end of the photocoupler is used for connecting to a control end of the mechanical switch.
一种灭弧装置，包括引脚，直流灭弧功率器件驱动装置、功率器件、光电耦合器封装在绝缘材料中，直流灭弧功率器件驱动装置、功率器件通过相应引脚用于与机械开关、工作电源连接。An arc extinguishing device comprising a lead, a DC arc extinguishing power device driving device, a power device, a photocoupler packaged in an insulating material, a DC arc extinguishing power device driving device, a power device through a corresponding pin for use with a mechanical switch, Working power connection.
一种直流灭弧功率器件驱动装置，如图1所示，其包括第一半导体开关D1、第一电容C1、第一限流元件R1(电阻)、第二半导体开关SCR1；第一半导体开关D1、第一电容C1、第一限流元件R1串联而成第一串联电路；第一半导体开关D1与第一电容C1串联而成第二串联电路，第二半导体开关SCR1与第二串联电路并联；第一串联电路的第一半导体开关D1端与所需驱动的功率器件QA的第一端连接，第一串联电路的第一限流元件R1端与电源端连接；第一半导体开关D1与第一电容C1连接的共同端与功率器件QA的第二端连接；功率器件QA的第三端、功率器件QA的第一端分别与所需灭弧的机械开关K1两端连接。A DC arc extinguishing power device driving device, as shown in FIG. 1, includes a first semiconductor switch D1, a first capacitor C1, a first current limiting element R1 (resistance), a second semiconductor switch SCR1; and a first semiconductor switch D1 The first capacitor C1 and the first current limiting element R1 are connected in series to form a first series circuit; the first semiconductor switch D1 is connected in series with the first capacitor C1 to form a second series circuit, and the second semiconductor switch SCR1 is connected in parallel with the second series circuit; The first semiconductor switch D1 end of the first series circuit is connected to the first end of the power device QA to be driven, and the first current limiting element R1 end of the first series circuit is connected to the power supply terminal; the first semiconductor switch D1 and the first The common end of the capacitor C1 is connected to the second end of the power device QA; the third end of the power device QA and the first end of the power device QA are respectively connected to the two ends of the mechanical switch K1 required to be extinguished.
工作原理：在所需灭弧的机械开关K1闭合后，直流电源通过第一半导体开关D1、第一限流元件R1对第一电容C1快速充电，当机械开关K1断开时，控制第二半导体开关SCR1导通，第一电容C1通过功率器件QA的第二端、功率器件QA的第一端形成驱动回路，功率器件QA在其两端达到其通态电压时导通，达到 机械开关K1无电弧分断的目的。Working principle: after the mechanical switch K1 required to extinguish the arc is closed, the DC power source rapidly charges the first capacitor C1 through the first semiconductor switch D1 and the first current limiting element R1, and controls the second semiconductor when the mechanical switch K1 is turned off. The switch SCR1 is turned on, the first capacitor C1 forms a driving loop through the second end of the power device QA, and the first end of the power device QA, and the power device QA is turned on when the two ends of the power device QA reach the on-state voltage thereof. The mechanical switch K1 has no arc breaking purpose.
本发明设计合理，具有电路简单、性价比高、可靠性高的优点。The invention has reasonable design and has the advantages of simple circuit, high cost performance and high reliability.
附图说明DRAWINGS
图1是本发明直流灭弧功率器件驱动装置电路原理图。BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a circuit diagram of a driving device for a DC arc extinguishing power device of the present invention.
图2是本发明直流灭弧功率器件驱动装置及灭弧装置实施例一电路原理图。2 is a circuit schematic diagram of a first embodiment of a direct current arc extinguishing power device driving device and an arc extinguishing device according to the present invention.
图3是本发明直流灭弧功率器件驱动装置及灭弧装置实施例一的晶闸管等效电路图。3 is an equivalent circuit diagram of a thyristor of the first embodiment of the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention.
图4是本发明直流灭弧功率器件驱动装置及灭弧装置实施例一的电压检测电路原理图一。4 is a schematic diagram 1 of a voltage detecting circuit of the first embodiment of the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention.
图5是本发明直流灭弧功率器件驱动装置及灭弧装置实施例一的电压检测电路原理图二。FIG. 5 is a schematic diagram 2 of the voltage detecting circuit of the first embodiment of the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention.
图6是本发明灭弧装置外形图一。Figure 6 is a top view of the arc extinguishing device of the present invention.
图7是本发明灭弧装置外形图二。Figure 7 is a second outline of the arc extinguishing device of the present invention.
具体实施方式detailed description
本发明直流灭弧功率器件驱动装置及灭弧装置的实施例一，如图2所示：The first embodiment of the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention is as shown in FIG. 2:
一种直流灭弧功率器件驱动装置，其包括第一半导体开关D1(二极管)、第一电容C1、第一限流元件R1(电阻)、第二半导体开关(A)、电压检测开关(B)、稳压器件Z1(稳压二极管)、光电耦合器OPT1；第一半导体开关D1、第一电容C1、第一限流元件R1依次串联而成第一串联电路；第一半导体开关D1与第一电容C1串联而成第二串联电路，第二半导体开关(A)与第二串联电路并联；第一串联电路的第一半导体开关D1端与所需驱动的功率器件QA的第一端连接，第一串联电路的第一限流元件R1端与电源端连接；第一半导体开关D1与第一电容C1连接的共同端与功率器件QA的第二端连接；功率器件QA的第三端、功率器件QA的第一端分别与所需灭弧的机械开关K1两端连接，功率器件QA的第一端为负载RL的连接端，第一串联电路与负载RL并联，电压检测开关(B)两端分别与功率器件QA的第二端、功率器件QA的第一端连接；稳压器件Z1通过第一半导体开关D1与第一电容C1电容并联(也可以稳压器件Z1直接与第一电容C1电容并联)。第一限流元件R1与第一电容C1连接的共同端与电压检测 开关(B)的检测端连接，当电压检测开关(B)为二端电路时也可以不连接。A DC arc extinguishing power device driving device comprising a first semiconductor switch D1 (diode), a first capacitor C1, a first current limiting element R1 (resistance), a second semiconductor switch (A), and a voltage detecting switch (B) a voltage stabilizing device Z1 (stabilizing diode), a photocoupler OPT1; a first semiconductor switch D1, a first capacitor C1, and a first current limiting element R1 are sequentially connected in series to form a first series circuit; the first semiconductor switch D1 and the first The capacitor C1 is connected in series to form a second series circuit, and the second semiconductor switch (A) is connected in parallel with the second series circuit; the first semiconductor switch D1 end of the first series circuit is connected to the first end of the power device QA to be driven, a first current limiting element R1 end of the series circuit is connected to the power end; a common end of the first semiconductor switch D1 connected to the first capacitor C1 is connected to the second end of the power device QA; the third end of the power device QA, the power device The first end of the QA is respectively connected to the two ends of the mechanical switch K1, and the first end of the power device QA is the connection end of the load RL, the first series circuit is connected in parallel with the load RL, and the two ends of the voltage detecting switch (B) Separately with the second end of the power device QA, QA device of a first terminal; Z1 regulator device through the first semiconductor switch D1 and the first capacitor in parallel with capacitor C1 (Z1 regulator device may be directly connected in parallel with the first capacitor C1 capacitor). Common terminal and voltage detection of the first current limiting component R1 connected to the first capacitor C1 The detection terminal of the switch (B) is connected, and the voltage detection switch (B) may not be connected when it is a two-terminal circuit.
光电耦合器OPT1用于使能第二半导体开关(A)，光电耦合器OPT1的控制端与机械开关K1的控制端连接，光电耦合器OPT1的输出端与电路的具体连接关系，可以根据具体情况选取，当机械开关K1动作频率要求不是特别高时，光电耦合器OPT1可以省略。The photocoupler OPT1 is used to enable the second semiconductor switch (A). The control end of the optocoupler OPT1 is connected to the control end of the mechanical switch K1. The specific connection relationship between the output end of the optocoupler OPT1 and the circuit can be determined according to the specific situation. It is selected that the optocoupler OPT1 can be omitted when the operating frequency requirement of the mechanical switch K1 is not particularly high.
第二半导体开关(A)：为一半控型开关，其控制端与功率器件QA的第三端连接，包括触发开关SCR1(晶闸管)、第一晶体管Q1、第二电容C2，触发开关SCR1与第二串联电路并联，功率器件QA的第三端、功率器件QA的第一端之间的电位差信号通过第二电容C2、第一晶体管Q1放大后传递至触发开关SCR1的触发极。触发开关SCR1可以采用如图3所示的晶闸管等效电路，根据需要晶闸管等效电路也可以增加恒流电路。The second semiconductor switch (A) is a half-controlled switch whose control terminal is connected to the third end of the power device QA, including a trigger switch SCR1 (thyristor), a first transistor Q1, a second capacitor C2, a trigger switch SCR1 and a The two series circuits are connected in parallel, and the potential difference signal between the third end of the power device QA and the first end of the power device QA is amplified by the second capacitor C2 and transmitted to the trigger pole of the trigger switch SCR1. The trigger switch SCR1 can adopt the thyristor equivalent circuit as shown in FIG. 3, and the constant current circuit can also be added according to the thyristor equivalent circuit as needed.
电压检测开关(B)：如图4所示，包括稳压器件Z2、第二晶体管Q2、第三晶体管Q3、第四电阻R4、第五电阻R5、第六电阻R6，电压检测开关(B)由第一电容C1提供工作能量，第二晶体管Q2的集电极与第三晶体管Q3的基极连接，第二晶体管Q2的集电极通过第五电阻R5与第三晶体管Q3的集电极连接，第三晶体管Q3的集电极、第三晶体管Q3的发射极为电压检测开关(B)的主回路端，第四电阻R4、稳压器件Z2、第二晶体管Q2的基极与第二晶体管Q2的发射极串联而成第三串联电路，第三串联电路与第一电容C1并联，第六电阻R6的两端分别与第二晶体管Q2的基极、第二晶体管Q2的发射极连接，第二晶体管Q2的发射极与第三晶体管Q3的发射极连接。The voltage detecting switch (B): as shown in FIG. 4, includes a voltage stabilizing device Z2, a second transistor Q2, a third transistor Q3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, and a voltage detecting switch (B) The working energy is supplied from the first capacitor C1, the collector of the second transistor Q2 is connected to the base of the third transistor Q3, and the collector of the second transistor Q2 is connected to the collector of the third transistor Q3 through the fifth resistor R5, and the third The collector of the transistor Q3, the emitter of the third transistor Q3 is the main loop terminal of the voltage detecting switch (B), the fourth resistor R4, the voltage stabilizing device Z2, the base of the second transistor Q2 and the emitter of the second transistor Q2 are connected in series. The third series circuit is connected in parallel with the first capacitor C1. The two ends of the sixth resistor R6 are respectively connected to the base of the second transistor Q2 and the emitter of the second transistor Q2, and the second transistor Q2 is emitted. The pole is connected to the emitter of the third transistor Q3.
电压检测开关(B)也可以为二端电路，如图5所示，包括稳压器件Z2、第二晶体管Q2、第三晶体管Q3、第四电阻R4、第五电阻R5、第六电阻R6、第三电容C3，第二晶体管Q2的集电极与第三晶体管Q3的基极连接，第二晶体管Q2的集电极通过第五电阻R5与第三晶体管Q3的集电极连接，第三晶体管Q3的集电极、第三晶体管Q3的发射极为电压检测开关的主回路端，第四电阻R4、稳压器件Z2、第二晶体管Q2的基极、第二晶体管Q2的发射极串联而成串联电路，该串联电路与电压检测开关的主回路端并联，第六电阻R6的两端分别与第二晶体管Q2的基极、第二晶体管Q2的发射极连接，第二晶体管Q2的发射极与第三晶体管Q3的发射极连接，第三电容C3的两端分别与第三晶体管Q3的基极、第三晶体管Q3的发射极连接。The voltage detecting switch (B) may also be a two-terminal circuit, as shown in FIG. 5, including a voltage stabilizing device Z2, a second transistor Q2, a third transistor Q3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, The third capacitor C3, the collector of the second transistor Q2 is connected to the base of the third transistor Q3, the collector of the second transistor Q2 is connected to the collector of the third transistor Q3 through the fifth resistor R5, and the set of the third transistor Q3 The electrode, the third transistor Q3 emits the main circuit end of the voltage detecting switch, the fourth resistor R4, the voltage stabilizing device Z2, the base of the second transistor Q2, and the emitter of the second transistor Q2 are connected in series to form a series circuit. The circuit is connected in parallel with the main loop end of the voltage detecting switch, and the two ends of the sixth resistor R6 are respectively connected to the base of the second transistor Q2 and the emitter of the second transistor Q2, and the emitter of the second transistor Q2 and the third transistor Q3 The emitter is connected, and both ends of the third capacitor C3 are respectively connected to the base of the third transistor Q3 and the emitter of the third transistor Q3.
电压检测开关(B)对第一电容C1、功率器件QA结电容的放电，可以防止功率器件QA工作在放大区，提高功率器件QA过载能力，减少温升，加快第二半 导体开关(A)截止，提高灭弧装置的二次响应速度。The voltage detection switch (B) discharges the junction capacitance of the first capacitor C1 and the power device QA, which can prevent the power device QA from operating in the amplification region, improve the power device QA overload capability, reduce the temperature rise, and speed up the second half. The conductor switch (A) is cut off to increase the secondary response speed of the arc extinguishing device.
一种灭弧装置，包括所述的直流灭弧功率器件驱动装置，还包括功率器件QA，直流灭弧功率器件驱动装置与功率器件QA连接。An arc extinguishing device comprising the DC arc extinguishing power device driving device further comprises a power device QA, and the DC arc extinguishing power device driving device is connected to the power device QA.
工作原理：在所需灭弧的机械开关K1闭合后，直流电源通过第一半导体开关D1、第一限流元件R1对第一电容C1快速充电，当机械开关K1断开时，第二半导体开关(A)导通，第一电容C1通过功率器件QA的第二端、功率器件QA的第一端形成驱动回路，功率器件QA在其两端达到其通态电压时导通，电压检测开关(B)在功率器件QA的第二端与功率器件QA的第一端之间的电压小于驱动功率器件QA饱和导通所需的电压时导通，对第一电容C1及对功率器件QA的第二端与功率器件QA的第一端之间结电容电荷快速放电，防止功率器件QA工作在放大区，达到机械开关K1无电弧分断的目的。Working principle: after the mechanical switch K1 required to extinguish the arc is closed, the DC power source rapidly charges the first capacitor C1 through the first semiconductor switch D1 and the first current limiting element R1, and when the mechanical switch K1 is turned off, the second semiconductor switch (A) is turned on, the first capacitor C1 forms a driving loop through the second end of the power device QA, the first end of the power device QA, and the power device QA is turned on when its two ends reach its on-state voltage, and the voltage detecting switch ( B) conducting when the voltage between the second end of the power device QA and the first end of the power device QA is less than the voltage required to drive the power device QA to saturate, and the first capacitor C1 and the power device QA The junction charge between the two terminals and the first end of the power device QA is rapidly discharged to prevent the power device QA from operating in the amplification region, and the mechanical switch K1 has no arc breaking.
以上实施例，第一半导体开关D1的阳极与功率器件QA的第一端连接，功率器件QA可以为IGBT、或NPN型三极管、或N沟道场效应管，功率器件QA的第一端为IGBT的发射极、或三极管的发射极、或场效应管的源极，功率器件QA的第二端为IGBT的栅极、或三极管的基极、或场效应管的栅极。In the above embodiment, the anode of the first semiconductor switch D1 is connected to the first end of the power device QA, and the power device QA may be an IGBT, an NPN transistor, or an N-channel FET, and the first end of the power device QA is an IGBT. The emitter, or the emitter of the transistor, or the source of the FET, the second end of the power device QA is the gate of the IGBT, or the base of the transistor, or the gate of the FET.
为了使用方便，如图6、图7(内置光电耦合器)所示，把实施例一的直流灭弧功率器件驱动装置与功率器件连接一体作为灭弧装置，直流灭弧功率器件驱动装置、功率器件封装在一绝缘材料中，直流灭弧功率器件驱动装置、功率器件、光电耦合器(如需要)通过相应引脚用于与所需灭弧的机械开关、工作电源连接。For convenience of use, as shown in FIG. 6 and FIG. 7 (integrated photocoupler), the DC arc extinguishing power device driving device of the first embodiment is integrally connected with the power device as an arc extinguishing device, a DC arc extinguishing power device driving device and a power. The device is packaged in an insulating material. The DC arc-extinguishing power device driver, power device, and optocoupler (if needed) are connected through pins to the mechanical switch and working power supply required to extinguish the arc.
以上实施例，第三电阻R3用于提高功率器件的工作稳定性，提供第一电容C1放电回路，当功率器件QA内置有电阻时，可以省略，第三电阻R3的两端与功率器件QA的第一端、功率器件QA的第二端连接，与第一电容C1放电回路串联的第二电阻R2用于限流，根据需要使用。In the above embodiment, the third resistor R3 is used to improve the working stability of the power device, and the first capacitor C1 discharge loop is provided. When the power device QA has a built-in resistor, it may be omitted. Both ends of the third resistor R3 and the power device QA The first end, the second end of the power device QA is connected, and the second resistor R2 connected in series with the discharge circuit of the first capacitor C1 is used for current limiting, and is used as needed.
综上所述，本发明直流灭弧功率器件驱动装置及灭弧装置具有以下优点：In summary, the DC arc extinguishing power device driving device and the arc extinguishing device of the present invention have the following advantages:
1.体积小、性价比高、在机械开关常开状态下无待机功耗。1. Small size, high cost performance, no standby power consumption when the mechanical switch is normally open.
2.电容容量要求小(十微法以下即可，建议采用为无极性电容，贴片陶瓷电容)，可以采用塑封工艺，方便集成化、批量化。2. Capacitance capacity requirements are small (10 microfarads or less, it is recommended to use non-polar capacitors, chip ceramic capacitors), plastic packaging technology can be used to facilitate integration and batchization.
3.过载能力大，温升低、使用方便。3. Large overload capacity, low temperature rise and easy to use.
4.本发明的灭弧装置可以无需同步信号，可应用在按钮开关、行程开关等无控制线圈的机械开关使用，适用范围广。 4. The arc extinguishing device of the present invention can be applied to a mechanical switch having no control coil such as a push button switch or a stroke switch without a synchronization signal, and has a wide application range.

Claims (21)

  1. 一种直流灭弧功率器件驱动装置，其特征是：A DC arc extinguishing power device driving device, characterized in that:
    其包括第一半导体开关、第一电容、第一限流元件、第二半导体开关；The first semiconductor switch, the first capacitor, the first current limiting element, and the second semiconductor switch;
    所述第一半导体开关、所述第一电容、所述第一限流元件串联而成第一串联电路；The first semiconductor switch, the first capacitor, and the first current limiting element are connected in series to form a first series circuit;
    所述第一半导体开关与所述第一电容串联而成第二串联电路，所述第二半导体开关与所述第二串联电路并联；The first semiconductor switch is connected in series with the first capacitor to form a second series circuit, and the second semiconductor switch is connected in parallel with the second series circuit;
    所述第一串联电路的所述第一半导体开关端与所需驱动的功率器件的第一端连接，所述第一串联电路的所述第一限流元件端与电源端连接；The first semiconductor switch end of the first series circuit is connected to a first end of a power device to be driven, and the first current limiting element end of the first series circuit is connected to a power terminal;
    所述第一半导体开关与所述第一电容连接的共同端与所述功率器件的第二端连接；a common end of the first semiconductor switch connected to the first capacitor is connected to a second end of the power device;
    所述功率器件的第三端、所述功率器件的第一端分别与所需灭弧的机械开关两端连接。The third end of the power device and the first end of the power device are respectively connected to two ends of a mechanical switch that is required to extinguish the arc.
  2. 根据权利要求1所述的直流灭弧功率器件驱动装置，其特征是：所述功率器件的第一端为负载的连接端，所述第一串联电路与所述负载并联。The DC arc extinguishing power device driving device according to claim 1, wherein the first end of the power device is a connection end of the load, and the first series circuit is connected in parallel with the load.
  3. 根据权利要求1所述的直流灭弧功率器件驱动装置，其特征是：所述第一限流元件为一电阻，所述第一半导体开关为一二极管。The DC arc extinguishing power device driving device according to claim 1, wherein the first current limiting component is a resistor, and the first semiconductor switch is a diode.
  4. 根据权利要求1所述的直流灭弧功率器件驱动装置，其特征是：包括一稳压器件；所述稳压器件与所述第一电容并联，或所述稳压器件通过所述第一半导体开关与所述第一电容并联。The DC arc extinguishing power device driving device according to claim 1, comprising: a voltage stabilizing device; said voltage stabilizing device being connected in parallel with said first capacitor, or said voltage stabilizing device passing said first semiconductor A switch is coupled in parallel with the first capacitor.
  5. 根据权利要求1所述的直流灭弧功率器件驱动装置，其特征是：所述第二半导体开关为半控型开关。The DC arc extinguishing power device driving device according to claim 1, wherein the second semiconductor switch is a semi-controlled switch.
  6. 根据权利要求5所述的直流灭弧功率器件驱动装置，其特征是：所述半控型开关至少包括一晶闸管或一晶闸管等效电路。The DC arc extinguishing power device driving device according to claim 5, wherein the half-controlled switch comprises at least a thyristor or a thyristor equivalent circuit.
  7. 根据权利要求5所述的直流灭弧功率器件驱动装置，其特征是：所述第二半导体开关的控制端与所述功率器件的第三端连接。The DC arc extinguishing power device driving device according to claim 5, wherein the control end of the second semiconductor switch is connected to the third end of the power device.
  8. 根据权利要求5所述的直流灭弧功率器件驱动装置，其特征是：所述第二半导体开关包括触发开关、第一晶体管、第二电容，所述触发开关与所述第二串联电路并联，所述功率器件的第三端、所述功率器件的第一端之间的电位差信号通过所述第二电容、所述第一晶体管放大后传递至所述触发开关的触发极。The DC arc extinguishing power device driving device according to claim 5, wherein the second semiconductor switch comprises a trigger switch, a first transistor and a second capacitor, and the trigger switch is connected in parallel with the second series circuit. A potential difference signal between the third end of the power device and the first end of the power device is amplified by the second capacitor, and the first transistor is transmitted to a trigger pole of the trigger switch.
  9. 根据权利要求7所述的直流灭弧功率器件驱动装置，其特征是：所述触发开关为一晶闸管或一晶闸管等效电路。The DC arc extinguishing power device driving device according to claim 7, wherein the trigger switch is a thyristor or a thyristor equivalent circuit.
  10. 根据权利要求7所述的直流灭弧功率器件驱动装置，其特征是：包括一电压 检测开关，所述电压检测开关两端分别与所述功率器件的第二端、所述功率器件的第一端连接。The DC arc extinguishing power device driving device according to claim 7, comprising: a voltage And detecting a switch, wherein the two ends of the voltage detecting switch are respectively connected to the second end of the power device and the first end of the power device.
  11. 根据权利要求10所述的直流灭弧功率器件驱动装置，其特征是：所述电压检测开关在所述功率器件的第二端与所述功率器件的第一端之间的电压小于驱动所述功率器件饱和导通所需的电压时导通。The DC arc extinguishing power device driving device according to claim 10, wherein said voltage detecting switch has a voltage between said second end of said power device and said first end of said power device is less than said driving The power device is turned on when the voltage required for saturation is turned on.
  12. 根据权利要求10所述的直流灭弧功率器件驱动装置，其特征是：所述第一限流元件与所述第一电容连接的共同端，与所述电压检测开关的检测端连接。The DC arc extinguishing power device driving device according to claim 10, wherein the common terminal of the first current limiting element and the first capacitor is connected to the detecting end of the voltage detecting switch.
  13. 根据权利要求12所述的直流灭弧功率器件驱动装置，其特征是：所述电压检测开关包括一稳压器件、第二晶体管、第三晶体管、第四电阻、第五电阻，第六电阻，所述第二晶体管的集电极与所述第三晶体管的基极连接，所述第二晶体管的集电极通过所述第五电阻与所述第三晶体管的集电极连接，所述第三晶体管的集电极、所述第三晶体管的发射极为所述电压检测开关的主回路端，所述第四电阻、所述稳压器件、所述第二晶体管的基极与所述第二晶体管的发射极串联而成第三串联电路，所述第三串联电路与所述第一电容并联，所述第六电阻的两端分别与所述第二晶体管的基极、所述第二晶体管的发射极连接，所述第二晶体管的发射极与所述第三晶体管的发射极连接。The DC arc extinguishing power device driving device according to claim 12, wherein the voltage detecting switch comprises a voltage stabilizing device, a second transistor, a third transistor, a fourth resistor, a fifth resistor, and a sixth resistor. a collector of the second transistor is connected to a base of the third transistor, and a collector of the second transistor is connected to a collector of the third transistor through the fifth resistor, the third transistor The collector, the third transistor emits the main loop end of the voltage detecting switch, the fourth resistor, the voltage stabilizing device, the base of the second transistor and the emitter of the second transistor Connected in series to form a third series circuit, the third series circuit is connected in parallel with the first capacitor, and two ends of the sixth resistor are respectively connected to the base of the second transistor and the emitter of the second transistor The emitter of the second transistor is coupled to the emitter of the third transistor.
  14. 根据权利要求10所述的直流灭弧功率器件驱动装置，其特征是：所述电压检测开关为二端电路。The DC arc extinguishing power device driving device according to claim 10, wherein the voltage detecting switch is a two-terminal circuit.
  15. 根据权利要求14所述的直流灭弧功率器件驱动装置，其特征是：所述电压检测开关包括一稳压器件、第二晶体管、第三晶体管、第四电阻、第五电阻，第六电阻、第三电容，所述第二晶体管的集电极与所述第三晶体管的基极连接，所述第二晶体管的集电极通过所述第五电阻与所述第三晶体管的集电极连接，所述第三晶体管的集电极、所述第三晶体管的发射极为所述电压检测开关的主回路端，所述第四电阻、所述稳压器件、所述第二晶体管的基极与所述第二晶体管的发射极串联而成串联电路，所述串联电路与所述电压检测开关的主回路端并联，所述第六电阻的两端分别与所述第二晶体管的基极、所述第二晶体管的发射极连接，所述第二晶体管的发射极与所述第三晶体管的发射极连接，所述第三电容的两端分别与所述第三晶体管的基极、所述第三晶体管的发射极连接。The DC arc extinguishing power device driving device according to claim 14, wherein the voltage detecting switch comprises a voltage stabilizing device, a second transistor, a third transistor, a fourth resistor, a fifth resistor, a sixth resistor, a third capacitor, a collector of the second transistor is connected to a base of the third transistor, and a collector of the second transistor is connected to a collector of the third transistor through the fifth resistor, The collector of the third transistor, the emission of the third transistor is the main loop end of the voltage detecting switch, the fourth resistor, the voltage stabilizing device, the base of the second transistor, and the second The emitter of the transistor is connected in series to form a series circuit, the series circuit is connected in parallel with the main loop end of the voltage detecting switch, and the two ends of the sixth resistor are respectively connected to the base of the second transistor and the second transistor The emitter of the second transistor is connected to the emitter of the third transistor, and the two ends of the third capacitor are respectively connected to the base of the third transistor and the third crystal Connected to the emitter.
  16. 根据权利要求10所述的直流灭弧功率器件驱动装置，其特征是：所述第一半导体开关的阳极与所述功率器件的第一端连接，所述功率器件为IGBT、或NPN型三极管、或N沟道场效应管，所述功率器件的第一端为所述IGBT的发射极、或所述三极管的发射极、或所述场效应管的源极，所述功率器件的第二端为所述 IGBT的栅极、或所述三极管的基极、或所述场效应管的栅极。The DC arc extinguishing power device driving device according to claim 10, wherein an anode of the first semiconductor switch is connected to a first end of the power device, and the power device is an IGBT or an NPN type transistor, Or an N-channel FET, the first end of the power device is an emitter of the IGBT, or an emitter of the transistor, or a source of the FET, and the second end of the power device is Said The gate of the IGBT, or the base of the transistor, or the gate of the field effect transistor.
  17. 根据权利要求7所述的直流灭弧功率器件驱动装置，其特征是：包括一光电耦合器，所述光电耦合器用于使能所述第二半导体开关，所述光电耦合器的控制端用于与所述机械开关的控制端连接。The DC arc extinguishing power device driving device according to claim 7, comprising: a photocoupler for enabling said second semiconductor switch, said control end of said photocoupler being used for Connected to the control end of the mechanical switch.
  18. 一种灭弧装置，其特征是：其包括权利要求7至16任一项的直流灭弧功率器件驱动装置，还包括所述功率器件，所述直流灭弧功率器件驱动装置与所述功率器件连接。An arc extinguishing device, comprising: the DC arc extinguishing power device driving device according to any one of claims 7 to 16, further comprising the power device, the DC arc extinguishing power device driving device and the power device connection.
  19. 根据权利要求18所述的灭弧装置，其特征是：包括引脚，所述直流灭弧功率器件驱动装置、所述功率器件封装在绝缘材料中，所述直流灭弧功率器件驱动装置、所述功率器件通过相应引脚用于与所述机械开关、工作电源连接。The arc extinguishing device according to claim 18, comprising: a lead, said DC arc extinguishing power device driving device, said power device being encapsulated in an insulating material, said DC arc extinguishing power device driving device and said The power device is connected to the mechanical switch and the working power source through corresponding pins.
  20. 根据权利要求18所述的灭弧装置，其特征是：包括一光电耦合器，所述光电耦合器用于使能所述第二半导体开关，所述光电耦合器的控制端用于与所述机械开关的控制端连接。The arc extinguishing device according to claim 18, comprising: a photocoupler for enabling said second semiconductor switch, said control end of said photocoupler being used for said mechanical The control terminal of the switch is connected.
  21. 根据权利要求20所述的灭弧装置，其特征是：包括引脚，所述直流灭弧功率器件驱动装置、所述功率器件、所述光电耦合器封装在绝缘材料中，所述直流灭弧功率器件驱动装置、所述功率器件通过相应引脚用于与所述机械开关、工作电源连接。 The arc extinguishing device according to claim 20, comprising: a lead, said DC arc extinguishing power device driving device, said power device, said photocoupler being encapsulated in an insulating material, said DC arc extinguishing The power device driving device and the power device are connected to the mechanical switch and the working power source through corresponding pins.
PCT/CN2017/071790 2016-01-24 2017-01-20 Direct-current arc-extinguishing power device drive apparatus and arc-extinguishing apparatus WO2017125053A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210375561A1 (en) * 2018-09-19 2021-12-02 Qiaoshi Guo Arc-extinguishing circuit and apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109003851B (en) * 2017-07-24 2020-01-14 广州市金矢电子有限公司 Direct current arc extinguishing circuit and device
CN113345741B (en) * 2017-07-24 2022-09-27 广州市金矢电子有限公司 DC arc-extinguishing device
CN111527575B (en) * 2017-09-14 2023-01-10 广州市金矢电子有限公司 DC arc-extinguishing device
JP6678195B2 (en) * 2018-03-22 2020-04-08 住友電装株式会社 Relay drive circuit
CN112753085B (en) * 2018-10-25 2023-07-28 广州市金矢电子有限公司 Arc extinguishing device
WO2020233151A1 (en) * 2019-05-18 2020-11-26 Guo Qiaoshi Arc extinguishing circuit and device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147332A (en) * 1995-11-22 1997-06-06 Sony Corp Biaxial actuator and magnetic head device
CN105185623A (en) * 2014-07-30 2015-12-23 广州市金矢电子有限公司 DC electronic arc-extinguishing device
CN105610301A (en) * 2015-02-27 2016-05-25 广州市金矢电子有限公司 Thyristor triggering apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147322A (en) * 1995-11-20 1997-06-06 Sony Corp Evaluation device for magneto-resistance effect type magnetic head

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147332A (en) * 1995-11-22 1997-06-06 Sony Corp Biaxial actuator and magnetic head device
CN105185623A (en) * 2014-07-30 2015-12-23 广州市金矢电子有限公司 DC electronic arc-extinguishing device
CN105610301A (en) * 2015-02-27 2016-05-25 广州市金矢电子有限公司 Thyristor triggering apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210375561A1 (en) * 2018-09-19 2021-12-02 Qiaoshi Guo Arc-extinguishing circuit and apparatus
US12014893B2 (en) * 2018-09-19 2024-06-18 Qiaoshi Guo Arc-extinguishing circuit with two power supplies and apparatus

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CN106783297A (en) 2017-05-31
CN206471248U (en) 2017-09-05
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