WO2021190673A1 - Procédé d'extinction d'arc - Google Patents

Procédé d'extinction d'arc Download PDF

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Publication number
WO2021190673A1
WO2021190673A1 PCT/CN2021/094727 CN2021094727W WO2021190673A1 WO 2021190673 A1 WO2021190673 A1 WO 2021190673A1 CN 2021094727 W CN2021094727 W CN 2021094727W WO 2021190673 A1 WO2021190673 A1 WO 2021190673A1
Authority
WO
WIPO (PCT)
Prior art keywords
arc extinguishing
extinguishing method
load
semiconductor device
electric
Prior art date
Application number
PCT/CN2021/094727
Other languages
English (en)
Chinese (zh)
Inventor
郭桥石
刘建德
贾宝华
Original Assignee
郭桥石
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/CN2020/103480 external-priority patent/WO2021189732A1/fr
Application filed by 郭桥石 filed Critical 郭桥石
Priority to CN202180027526.7A priority Critical patent/CN115398582A/zh
Publication of WO2021190673A1 publication Critical patent/WO2021190673A1/fr

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Classifications

    • 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 invention relates to an arc extinguishing method, in particular to an arc extinguishing method suitable for mechanical switches used in locomotives, rail transit, aviation and other occasions.
  • the purpose of the present invention is to solve the problems existing in the existing arc extinguishing device and provide an arc extinguishing method that can effectively reduce the cost of the arc extinguishing device.
  • An arc extinguishing method provides multiple electric pulses of a load connected to a mechanical switch required for arc extinguishing, and at least one full-control semiconductor device is connected in series in the electric pulse circuit.
  • the load is inductive load.
  • the pulse width of the electric pulse is 20 microseconds to 1000 microseconds.
  • An arc extinguishing method the sum of multiple electric pulses is not less than 1 millisecond and not more than 10 milliseconds.
  • An arc extinguishing method The same fully-controlled semiconductor device is used for arc extinguishing of multiple mechanical switches. Each mechanical switch is connected to the fully-controlled semiconductor device through its connected uncontrollable device. Each uncontrollable device is a common anode or Common cathode connection.
  • the invention has the advantages of reasonable design and can effectively reduce the cost of the arc extinguishing device.
  • Fig. 1 is a schematic circuit diagram of the first embodiment of the arc extinguishing method of the present invention.
  • the first embodiment of the arc extinguishing method of the present invention is shown in Fig. 1:
  • the load R connected to the mechanical switch K required to provide arc extinguishing is provided with multiple (two or more) electrical pulses (pulses) Group) to realize the arc extinguishing of the mechanical switch K
  • the electric pulse circuit is connected in series with a fully-controlled semiconductor device S1 (a triode, or a field effect tube, or an IGBT, etc.), and a series diode D1 (D2); electric pulse (not Sine wave)
  • S1 a triode, or a field effect tube, or an IGBT, etc.
  • D2 series diode
  • electric pulse not Sine wave
  • the pulse width is preferably 20 microseconds to 1000 microseconds;
  • the time interval of the electric pulse is one time of the pulse width (1/2 duty cycle) or more, and the sum of multiple electric pulses is not less than 1 millisecond and not more than 10 Milliseconds;
  • the frequency is
  • each mechanical switch K is connected to the non-controllable device D1 (D2) and the fully-controlled semiconductor device through its own connection.
  • S1 is connected, and each uncontrollable device D1 (D2) is a common anode (or a common cathode) connection.
  • the multi-circuit mechanical switch electric contact
  • the load is an inductive load (relay, solenoid valve, contactor, etc.)
  • the working principle that the inductive current cannot be changed suddenly is used.
  • Use line inductance or load inductance to achieve zero current or very small current shunt will not affect the load operation); while the load with working current can supply power to the load, and realize the arc extinguishing of the contact connected to the load with working current; And greatly reduce the cost of the arc extinguishing device.
  • the present invention has the advantages of good arc extinguishing effect and can effectively reduce the cost of the arc extinguishing device.

Landscapes

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

Abstract

La présente invention concerne un procédé d'extinction d'arc, dans lequel une pluralité d'impulsions électriques sont fournies pour une charge connectée à un commutateur mécanique qui nécessite une extinction d'arc. Au moins un dispositif à semi-conducteur entièrement commandé est connecté en série dans une boucle d'impulsion électrique. La présente invention présente l'avantage de pouvoir réduire efficacement le coût d'un appareil d'extinction d'arc.
PCT/CN2021/094727 2020-05-20 2021-05-19 Procédé d'extinction d'arc WO2021190673A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202180027526.7A CN115398582A (zh) 2020-05-20 2021-05-19 灭弧方法

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN202010432236.8 2020-05-20
CN202010432236 2020-05-20
CN202010445206.0 2020-05-23
CN202010445206 2020-05-23
CNPCT/CN2020/103480 2020-07-22
PCT/CN2020/103480 WO2021189732A1 (fr) 2020-04-03 2020-07-22 Dispositif d'extinction d'arc

Publications (1)

Publication Number Publication Date
WO2021190673A1 true WO2021190673A1 (fr) 2021-09-30

Family

ID=77890529

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/094727 WO2021190673A1 (fr) 2020-05-20 2021-05-19 Procédé d'extinction d'arc

Country Status (2)

Country Link
CN (1) CN115398582A (fr)
WO (1) WO2021190673A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011112564A1 (fr) * 2010-03-12 2011-09-15 Arc Suppression Technologies, Llc Éliminateur d'arc à deux bornes
CN105185623A (zh) * 2014-07-30 2015-12-23 广州市金矢电子有限公司 直流电子灭弧装置
CN108962647A (zh) * 2017-07-24 2018-12-07 广州市金矢电子有限公司 直流灭弧装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011112564A1 (fr) * 2010-03-12 2011-09-15 Arc Suppression Technologies, Llc Éliminateur d'arc à deux bornes
CN105185623A (zh) * 2014-07-30 2015-12-23 广州市金矢电子有限公司 直流电子灭弧装置
CN108962647A (zh) * 2017-07-24 2018-12-07 广州市金矢电子有限公司 直流灭弧装置

Also Published As

Publication number Publication date
CN115398582A (zh) 2022-11-25

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