WO2015131578A1 - Circuit pour empêcher une connexion inverse d'un accumulateur d'alimentation de télécommunication, et système de commande d'alimentation de télécommunication - Google Patents

Circuit pour empêcher une connexion inverse d'un accumulateur d'alimentation de télécommunication, et système de commande d'alimentation de télécommunication Download PDF

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Publication number
WO2015131578A1
WO2015131578A1 PCT/CN2014/092502 CN2014092502W WO2015131578A1 WO 2015131578 A1 WO2015131578 A1 WO 2015131578A1 CN 2014092502 W CN2014092502 W CN 2014092502W WO 2015131578 A1 WO2015131578 A1 WO 2015131578A1
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WO
WIPO (PCT)
Prior art keywords
communication power
power supply
diode
module
battery pack
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Application number
PCT/CN2014/092502
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English (en)
Chinese (zh)
Inventor
欧耀东
容辉
曹捷
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中兴通讯股份有限公司
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Publication of WO2015131578A1 publication Critical patent/WO2015131578A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits

Definitions

  • the invention relates to the technical field of communication power sources, in particular to a communication power supply battery anti-reverse circuit and a communication power control system.
  • the battery anti-reverse connection methods used in the communication power supply industry mainly have the following two types: (1) using a magnetic holding relay to control a DC contactor to realize anti-reverse connection of the battery; (2) controlling a direct current contact through a normally-on relay The device is used to achieve anti-reverse connection of the battery.
  • the disadvantage of the above method (1) is that the circuit is complicated and the cost of the magnetic holding relay is high; the defect of the above method (2) is that the circuit is also complicated, and is disconnected when the controller in the communication power system is damaged.
  • the battery that normally accesses the system makes the battery that normally accesses the system unable to supply power to the communication device, causing serious consequences such as communication failure.
  • the embodiment of the invention provides a communication power supply battery anti-reverse circuit, which solves the anti-reverse connection problem of the battery pack in the communication power system, and improves the stability and reliability of the communication power system.
  • an embodiment of the present invention provides a communication power supply battery anti-reverse circuit, wherein the communication power supply battery anti-reverse circuit includes a communication power supply positive row, a communication power negative row, a battery pack, and an anti-reverse connection module;
  • the battery pack is adapted to provide backup power for a communication power system
  • the anti-reverse connection module is adapted to prevent the battery pack from being reversely connected between the positive line of the communication power source and the negative row of the communication power source;
  • the positive pole of the battery pack is connected to the communication power supply, and the negative pole of the battery pack is connected to the negative output of the communication power supply via the anti-reverse connection module.
  • the anti-reverse connection module comprises a normally closed relay, a normally open DC contactor, a diode unit, a current limiting unit and an air switch unit;
  • a first contact of the normally open DC contactor is connected to the negative line of the communication power source, and a second contact thereof is connected to a negative pole of the battery pack via the air switch unit;
  • a coil of the normally open DC contactor a first end of the normally closed relay is connected to the common end of the normally closed relay, and a second end of the coil of the normally open DC contactor is connected to the communication power supply;
  • the normally closed contact of the normally closed relay is The communication power supply is connected in a negative row, the normally open contact is suspended, and the common end is connected to the first end of the coil of the normally open DC contactor; the first end of the coil of the normally closed relay is connected to the negative line of the communication power supply
  • the second end of the coil of the normally closed relay is connected to the cathode of the diode unit; the anode of the diode unit is connected to the negative pole of the battery pack via the current limiting unit.
  • the anti-reverse module further includes a first diode, a second diode, and a third diode; wherein
  • a cathode of the first diode is connected to the negative line of the communication power source, and an anode of the first diode is connected to a normally closed contact of the normally closed relay;
  • An anode of the second diode is coupled to a first end of the coil of the normally open DC contactor, and a cathode of the second diode is coupled to a second end of the coil of the normally open DC contactor;
  • An anode of the third diode is coupled to a first end of a coil of the normally closed relay, and a cathode of the third diode is coupled to a second end of a coil of the normally closed relay.
  • the communication power supply battery anti-reverse circuit further includes a rectifier module and a controller; wherein
  • the rectifier module is adapted to provide a main power source for the communication power system
  • the controller is adapted to monitor an operating state of the communication power system
  • the rectifier module is connected between the positive line of the communication power source and the negative row of the communication power source; the controller is connected to the anti-reverse connection module.
  • the communication power battery anti-reverse circuit further includes an emergency module
  • the emergency module is adapted to control the battery pack to supply power to the communication power system when the rectifier module is not working; and the emergency module is connected to the anti-reverse module.
  • the emergency module includes a fourth diode and a manual button; wherein
  • An anode of the fourth diode is connected to a normally closed contact of the normally closed relay, a cathode of the fourth diode is connected to a first end of the manual button; and a second end of the manual button Connected to the second contact of the normally open DC contactor.
  • the communication power supply battery anti-reverse circuit further includes an alarm module
  • the alarm module is adapted to issue an alarm signal when the battery pack is reversely connected
  • One end of the alarm module is connected to the negative pole of the battery pack, and the other end of the alarm module is connected to the communication power source.
  • the alarm execution device in the alarm module includes an alarm, a buzzer or a light emitting diode.
  • an embodiment of the present invention further provides a communication power control system, where the communication power control system includes a communication power supply battery anti-reverse circuit, and the communication power supply battery anti-reverse circuit includes a communication power supply.
  • the battery pack is adapted to provide a backup power source for the communication power system
  • the anti-reverse connection module is adapted to prevent the battery pack from being reversely connected between the positive line of the communication power source and the negative row of the communication power source;
  • the positive pole of the battery pack is connected to the communication power supply, and the negative pole of the battery pack is connected to the negative output of the communication power supply via the anti-reverse connection module.
  • the communication power supply battery anti-reverse circuit comprises a communication power supply positive row, a communication power negative row, a battery pack and an anti-reverse connection module; wherein the battery pack is suitable for providing a backup power supply for the communication power system; The module is suitable for preventing the battery pack from being reversely connected between the positive line of the communication power source and the negative line of the communication power source; the positive pole of the battery pack is connected with the communication power source, and the negative pole of the battery pack is connected to the negative line of the communication power source through the anti-reverse connection module.
  • the anti-reverse circuit of the communication power supply battery provided by the embodiment of the invention can effectively solve the anti-reverse connection problem of the battery pack in the communication power supply system, and when the controller in the communication power supply system is damaged, the battery pack can also be normally
  • the communication power system supplies power to ensure the operation of the communication power system, thereby improving the stability and reliability of the communication power system.
  • the embodiment of the invention has the advantages of simple circuit structure, low cost and easy implementation.
  • FIG. 1 is a schematic structural diagram of a circuit of an anti-reverse circuit of a communication power supply battery according to an embodiment of the present invention.
  • Embodiments of the present invention provide a communication power supply battery anti-reverse circuit.
  • FIG. 1 is a schematic structural view of a communication power supply battery anti-reverse circuit according to an embodiment of the present invention.
  • the communication power supply battery anti-reverse circuit includes a communication power supply positive row GND, a communication power supply negative row L, a battery pack 101, and an anti-reverse connection module 102.
  • the voltage of the communication power supply positive row GND is 0V
  • the voltage of the communication power supply negative row L is -48V.
  • the battery pack 101 is adapted to provide backup power for the communication power system
  • the anti-reverse connection module 102 is adapted to prevent the battery pack 101 from being reversely connected between the communication power supply positive row GND and the communication power source negative row L;
  • the positive pole of the battery pack 101 is connected to the communication power supply positive row GND, and the negative pole of the battery pack 101 is connected to the communication power supply negative row L via the anti-reverse connection module 102.
  • the battery pack 101 may include one or more sets of battery packs.
  • the battery pack 101 includes two sets of battery packs, which are a battery pack BAT1 and a battery pack BAT2, respectively.
  • the anti-reverse module 102 includes a normally-closed relay K1, a normally-on DC contactor KM, a diode unit 1021, a current limiting unit 1022, and an air switching unit 1023;
  • the first contact of the normally open DC contactor KM (corresponding to the left contact in the figure) is connected to the communication power supply negative row L, and the second contact of the normally open DC contactor KM (corresponding diagram)
  • the middle right contact is connected to the negative pole of the battery pack 101 via the air switch unit 1023;
  • the first end of the coil of the normally open DC contactor KM is connected to the common end 2 of the normally closed relay K1, a second end of the coil of the normally open DC contactor KM is connected to the communication power supply positive row GND;
  • the normally closed contact 1 of the normally closed relay K1 is connected to the communication power supply negative row L, the normally closed
  • the normally open contact 3 of the relay K1 is suspended, the common end 2 of the normally closed relay K1 is connected to the first end of the coil of the normally open DC contactor KM;
  • the first end of the coil of the normally closed relay K1 is a communication power supply negative row L is connected, a second end of the coil of the normally closed relay K1 is connected to a ca
  • the diode unit 1021 includes a diode D6 and a diode D7;
  • the current limiting unit 1022 includes a resistor R1 and a resistor R2;
  • the air switch unit 1023 includes an air switch QFB1 and an air switch QFB2; wherein the resistor R1 and the resistor R2 are normally closed.
  • the cathode of the diode D6 is connected to the second end of the coil of the normally closed relay K1, the anode of the diode D6 is connected to the negative pole of the battery pack BAT1 in the battery pack 101 via the resistor R1; the cathode of the diode D7 and the cathode of the diode D6
  • the cathode is connected and connected to the second end of the coil of the normally closed relay K1
  • the anode of the diode D7 is connected to the negative pole of the battery pack BAT2 in the battery pack 101 via the resistor R2; one end of the air switch QFB1 and the normally open DC contactor
  • the second end of the KM coil is connected, the other end of the air switch QFB1 is connected to the negative pole of the battery pack BAT1; one end of the air switch QFB2 is connected to the second end of the coil of the normally open DC contactor KM, and the other end of the air switch QFB2 is The negative electrode of the battery pack BAT
  • the anti-reverse module 102 further includes a first diode D1, a second diode D2, and a third diode D3.
  • the second diode D2 is normally open.
  • the back electromotive force bleeder diode of the DC contactor KM, and the third diode D3 is the back electromotive force bleeder diode of the normally closed relay K1.
  • the cathode of the first diode D1 is connected to the negative line L of the communication power supply, and the anode of the first diode D1 is connected to the normally closed contact 1 of the normally closed relay K1;
  • the anode of the second diode D2 is connected to the first end of the coil of the normally open DC contactor KM, the cathode of the second diode D2 and the second end of the coil of the normally open DC contactor KM Connecting;
  • the anode of the third diode D3 is connected to the first end of the coil of the normally closed relay K1, the cathode of the third diode D3 and the second end of the coil of the normally closed relay K1 connection.
  • the communication power supply battery anti-reverse circuit further includes a rectification module 103 and a controller 104; wherein the rectification module 103 is adapted to provide a main power supply for the communication power supply system; 104 is adapted to monitor an operating state of the communication power system, for example, when the rectifier module 103 is inactive and the voltage of the battery pack 101 is lower than a preset voltage value, the controller 104 can control the anti-reverse module 102, cutting off the power supply of the battery pack 101 to the communication power system; the rectifier module 103 is connected between the communication power supply positive row GND and the communication power supply negative row L; the controller 104 is anti-reverse diode D5 is connected to the anti-reverse module 102, wherein the anode of the anti-reverse diode D5 is connected to the controller 104, and the cathode of the anti-reverse diode D5 is connected to the second end of the coil of the normally closed relay K1 of the anti-reverse module
  • the communication power supply battery anti-reverse circuit further includes an emergency module 105; the emergency module 105 is adapted to control the battery group 101 to the communication when the rectifier module 103 is not working.
  • the power system is powered; the emergency module 105 is connected to the anti-reverse module 102.
  • the emergency module 105 includes a fourth diode D4 and a manual button T, and the fourth diode D4 is an anti-reverse diode of the emergency module 105.
  • the anode of the fourth diode D4 is connected to the normally closed contact 1 of the normally closed relay K1, and the cathode of the fourth diode D4 is connected to the first end of the manual button T;
  • the second end of the manual button T is connected to the second contact of the normally open DC contactor KM.
  • the communication power supply battery anti-reverse circuit provided by the embodiment further includes an alarm module 106; the alarm module 106 is adapted to issue an alarm signal when any one of the battery groups in the battery pack 101 is reversely connected. To remind the staff that the battery pack 101 of the communication power system has occurred. Reverse connection, so that the corresponding operator can find the power failure in time to ensure that the communication power system is not damaged.
  • One end of the alarm module 106 is connected to the negative pole of the battery pack 101, and the other end of the alarm module 106 is connected to the communication power supply positive row GND.
  • the alarm execution device in the alarm module 106 may be an alarm, a buzzer or a light emitting diode, and the specific selection of the alarm execution device in the alarm module 106 may be selected according to the specific requirements of the communication power system.
  • the alarm execution device of the alarm module 106 is a buzzer U.
  • the alarm module 106 includes a resistor R3, a buzzer U, an anti-reverse diode D8, and an anti-reverse diode D9.
  • the resistor R3 is a current limiting resistor of the buzzer U, one end of the resistor R3 is connected to the positive power supply GND of the communication power source, and the other end of the resistor R3 is connected with the negative end of the buzzer U; the positive ends of the buzzer U are respectively
  • the cathode of the anti-reverse diode D8 is connected to the cathode of the anti-reverse diode D9; the anode of the anti-reverse diode D8 is connected to the cathode of the battery pack BAT1; and the anode of the anti-reverse diode D9 is connected to the cathode of the battery pack BAT2.
  • the communication power supply system When the communication power supply system is powered by the rectifier module 103, the communication power supply is positively GND and the communication power supply negative row L is normally powered. At this time, if any one of the battery packs in the battery pack 101 is reversely connected, even if the controller 104 does not issue a control signal to the coil of the normally-closed relay K1 to cut off the access of the battery pack 101, The diode D6 or the diode D7 is turned on, and the coil of the normally-closed relay K1 still has a current passing through, so that the normally-closed contact 1 of the normally-closed relay K1 is turned off, thereby cutting off the normally-on DC contactor KM. a working circuit of the coil, such that the contact of the normally open DC contactor KM is disconnected, so that the battery pack 101 cannot be accessed into the communication power system, thereby enabling the communication power system to be protected;
  • the communication power supply positive GND and the communication power negative row L are also normally powered. At this time, if any group of battery packs in the battery pack 101 is reversed, as in the above case, even if the controller 104 does not issue a control signal to the coil of the normally-closed relay K1 to cut off the battery pack 101.
  • the coil of the normally-closed relay K1 still has a current passing through, so that the normally-closed contact 1 of the normally-closed relay K1 is turned off, thereby cutting off the
  • the working circuit of the coil of the normally open DC contactor KM causes the contacts of the normally open DC contactor KM to be disconnected, so that the battery pack 101 cannot Accessing to the communication power system such that the communication power system is protected;
  • the communication power supply is GND and the communication power supply negative row L has no power.
  • the controller 104 and the communication power supply positive row GND and the communication power source negative row L are both dead, the coil of the normally open DC contactor KM is not turned on, so that the The contact of the open DC contactor KM is disconnected, so that the battery pack cannot be connected to the communication power supply system as well, so that the communication power supply system is protected;
  • the rectifier module 103 When the rectifier module 103 is working or an existing battery pack in the battery pack 101 is connected to the communication power supply system, that is, the communication power supply positive row GND and the communication power supply negative row L are already powered. At this time, if a battery pack is normally connected, the diode D6 or the diode D7 is reversely turned off. Unless the controller 104 gives a power-down control signal at this time, the coil of the normally-closed relay K1 cannot operate. The normally closed contact is in a closed state, and the coil circuit of the normally open DC contactor KM is turned on, so that the contact of the normally open DC contactor KM is in a closed state, so that the battery pack 101 can be normally accessed.
  • the communication power system supplies power to the communication power system;
  • the rectifier module does not work, and no battery pack is connected to the communication power system, that is, the communication power source is in the positive line GND and the communication power source negative line L has no power.
  • the emergency module 105 can be manually pressed only under the control of the controller 104 or manually determined.
  • the manual button T connects the battery pack to the communication power system (ie, is connected between the communication power supply positive row GND and the communication power source negative row L).
  • the anti-reverse connection module 102 can disconnect the battery pack from the communication power supply system in time. Thereby ensuring the normal operation of the communication power supply system; and, when the controller 104 in the communication power supply system fails, and the battery pack 101 is normally accessed, the diode D6, the diode D7 and the anti-reverse diode D5 are both In a reverse-off state, the coil of the normally-closed relay K1 is not turned on, so that the normally-closed contact of the normally-closed relay K1 remains in a closed state, thereby causing the coil of the normally-on DC contactor KM to be in a conducting state.
  • the battery pack 101 can be normally accessed into the communication power system, so that the communication power system can operate reliably.
  • the communication power supply battery anti-reverse circuit of the embodiment improves the stability and reliability of the communication power system.
  • the anti-reverse circuit of the communication power supply battery of the embodiment has the advantages of simple circuit structure, low cost and easy realization.
  • the embodiment of the present invention further provides a communication power supply control system, which includes a communication power supply battery anti-reverse circuit, and the circuit structure of the communication power supply battery anti-reverse circuit can refer to the above embodiment, and details are not described herein again.
  • a communication power supply control system which includes a communication power supply battery anti-reverse circuit
  • the circuit structure of the communication power supply battery anti-reverse circuit can refer to the above embodiment, and details are not described herein again.
  • the anti-reverse circuit of the communication power supply battery disclosed in the embodiment of the invention comprises a communication power supply positive row, a communication power supply negative row, a battery pack and an anti-reverse connection module; the battery pack is suitable for providing a backup power supply for the communication power supply system; The module is suitable for preventing the battery pack from being reversely connected between the positive line of the communication power source and the negative line of the communication power source; the positive pole of the battery pack is connected with the communication power source, and the negative pole of the battery pack is connected with the negative line of the communication power supply through the anti-reverse connection module, which can effectively
  • the problem of anti-reverse connection of the battery pack in the communication power supply system is solved, and when the controller in the communication power supply system is damaged, the battery pack can also supply power to the communication power supply system normally, and the stability and reliability of the communication power supply system can be improved.

Abstract

L'invention concerne un circuit pour empêcher une connexion inverse d'un accumulateur d'alimentation de télécommunication, et un système de commande d'alimentation de télécommunication, comportant : une ligne positive d'alimentation (GND), une ligne négative (L), un ensemble accumulateur (101) et un module anti-connexion inverse (102); l'ensemble accumulateur sert à fournir une alimentation de secours au système d'alimentation de télécommunication; le module anti-connexion inverse sert à empêcher une connexion de l'ensemble accumulateur entre la ligne positive et la ligne négative de l'alimentation; l'électrode positive de l'ensemble accumulateur est connectée à la ligne positive de l'alimentation, tandis que l'électrode négative de l'ensemble accumulateur est connectée à la ligne négative de l'alimentation par l'intermédiaire du module anti-connexion inverse. Le présent circuit pour empêcher une connexion inverse d'un accumulateur d'alimentation de télécommunication résout efficacement le problème des connexions inverses d'accumulateurs dans des systèmes d'alimentation de télécommunication, tout en assurant que l'ensemble accumulateur est normalement apte à fournir de l'énergie à un système d'alimentation de télécommunication quand le dispositif de commande (104) de ce dernier est endommagé, ce qui améliore ainsi la stabilité et la fiabilité de systèmes d'alimentation de télécommunication.
PCT/CN2014/092502 2014-09-22 2014-11-28 Circuit pour empêcher une connexion inverse d'un accumulateur d'alimentation de télécommunication, et système de commande d'alimentation de télécommunication WO2015131578A1 (fr)

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CN201410489719.6A CN105515072A (zh) 2014-09-22 2014-09-22 通信电源蓄电池防反接电路及通信电源控制系统
CN201410489719.6 2014-09-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107146916A (zh) * 2017-05-16 2017-09-08 孔祥贵 多段式充电智能温控定时和防反接限压安全电池
CN107359694A (zh) * 2017-08-24 2017-11-17 上海德电气科技有限公司 后备式接触器保持型自适应抗晃电装置及其方法
CN109599909A (zh) * 2016-10-27 2019-04-09 江苏科技大学 一种应急电源防短路保护系统
CN112786384A (zh) * 2021-02-04 2021-05-11 湖北三江航天红峰控制有限公司 一种基于电磁继电器的弹载转断电控制装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN108631011B (zh) * 2017-03-24 2023-01-03 中兴通讯股份有限公司 一种电池连接装置
CN110829405B (zh) * 2018-08-14 2021-11-16 维谛技术有限公司 一种防反接保护电路及通信电源设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201181903Y (zh) * 2008-04-01 2009-01-14 中兴通讯股份有限公司 直流电源的输入电路
CN101989753A (zh) * 2009-08-04 2011-03-23 北京动力源科技股份有限公司 一种用于通信电源蓄电池接入的控制系统
CN202616817U (zh) * 2012-04-24 2012-12-19 中兴通讯股份有限公司 通信电源负载或蓄电池接入的控制装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201398070Y (zh) * 2009-05-06 2010-02-03 厦门拓宝科技有限公司 防止蓄电池极性反接的电路
JP5177127B2 (ja) * 2009-12-22 2013-04-03 アンデン株式会社 逆接続防止回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201181903Y (zh) * 2008-04-01 2009-01-14 中兴通讯股份有限公司 直流电源的输入电路
CN101989753A (zh) * 2009-08-04 2011-03-23 北京动力源科技股份有限公司 一种用于通信电源蓄电池接入的控制系统
CN202616817U (zh) * 2012-04-24 2012-12-19 中兴通讯股份有限公司 通信电源负载或蓄电池接入的控制装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109599909A (zh) * 2016-10-27 2019-04-09 江苏科技大学 一种应急电源防短路保护系统
CN109599909B (zh) * 2016-10-27 2021-12-07 江苏科技大学 一种应急电源防短路保护系统
CN107146916A (zh) * 2017-05-16 2017-09-08 孔祥贵 多段式充电智能温控定时和防反接限压安全电池
CN107146916B (zh) * 2017-05-16 2024-03-26 孔祥贵 多段式充电智能温控定时和防反接限压安全电池
CN107359694A (zh) * 2017-08-24 2017-11-17 上海德电气科技有限公司 后备式接触器保持型自适应抗晃电装置及其方法
CN107359694B (zh) * 2017-08-24 2023-05-16 上海一德电气科技有限公司 后备式接触器保持型自适应抗晃电装置及其方法
CN112786384A (zh) * 2021-02-04 2021-05-11 湖北三江航天红峰控制有限公司 一种基于电磁继电器的弹载转断电控制装置
CN112786384B (zh) * 2021-02-04 2023-04-28 湖北三江航天红峰控制有限公司 一种基于电磁继电器的弹载转断电控制装置

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