CN113964403A - Charging and discharging locking mechanism for explosion-proof storage battery power supply device - Google Patents

Charging and discharging locking mechanism for explosion-proof storage battery power supply device Download PDF

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Publication number
CN113964403A
CN113964403A CN202111132992.XA CN202111132992A CN113964403A CN 113964403 A CN113964403 A CN 113964403A CN 202111132992 A CN202111132992 A CN 202111132992A CN 113964403 A CN113964403 A CN 113964403A
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CN
China
Prior art keywords
explosion
proof
power supply
switch
battery power
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202111132992.XA
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Chinese (zh)
Inventor
郭志俊
刘玉荣
陈寇忠
李文军
王治伟
张志耀
周德华
赵远
姚志功
郝志军
祁宏
许连丙
袁晓明
刘德宁
肖洪彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyuan Institute of China Coal Technology and Engineering Group
Shanxi Tiandi Coal Mining Machinery Co Ltd
Original Assignee
Taiyuan Institute of China Coal Technology and Engineering Group
Shanxi Tiandi Coal Mining Machinery Co Ltd
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
Application filed by Taiyuan Institute of China Coal Technology and Engineering Group, Shanxi Tiandi Coal Mining Machinery Co Ltd filed Critical Taiyuan Institute of China Coal Technology and Engineering Group
Priority to CN202111132992.XA priority Critical patent/CN113964403A/en
Publication of CN113964403A publication Critical patent/CN113964403A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/574Devices or arrangements for the interruption of current
    • H01M50/583Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593Spacers; Insulating plates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a charging and discharging locking mechanism for an explosion-proof storage battery power supply device, which comprises: explosion-proof switch box, cable connector, screw, draw-in device, connecting cable, switch, divide-shut brake handle, plug position detector. When the plug and the socket of the cable connector are separated, a tripping coil on a switch which is in a closing state in the explosion-proof switch box is triggered in advance through detection of a plug position detector, so that the switch is tripped, the situation that the explosion-proof combination state of the plug and the socket is not invalid is guaranteed, the socket is not electrified inside, the environmental safety is guaranteed, and the safety of outside operators is further guaranteed.

Description

Charging and discharging locking mechanism for explosion-proof storage battery power supply device
Technical Field
The invention relates to the technical field of charging and discharging of power supply devices, in particular to a charging and discharging locking mechanism for an explosion-proof storage battery power supply device.
Background
The explosion-proof trackless rubber-tyred vehicle taking the explosion-proof lead-acid storage battery as power is mainly applied to the matching after continuous mining and the moving and face-reversing operation of fully mechanized mining working faces, and mainly comprises: the battery scraper, the battery shovel board car, the battery support carrier etc. have drive efficiency height, green energy-conserving, maintain advantages such as simple, the operation cost is low. Explosion-proof storage batteries used in these vehicles are required to have a quick-change structure to improve the vehicle utilization rate.
The traditional storage battery electric locomotive also uses an explosion-proof storage battery power supply device, but the input and the output of the traditional storage battery electric locomotive adopt a plug connector, and only can play roles of preventing misplug and electrically isolating. When the plug connector is separated, the inside of the female head of the plug connector on the battery side is always electrified, so that potential safety hazards exist, and particularly after long-time use, conductive dust, water mist and the like are accumulated on the inner wall of the female head, so that earth discharge is easy to occur. In addition, the anti-seismic performance of the anti-explosion trackless rubber-tyred vehicle cannot meet the requirement of an anti-explosion lead-acid storage battery as power.
Disclosure of Invention
The invention aims to provide a charging and discharging locking mechanism for an explosion-proof storage battery power supply device, which is used for solving the problem that the inside of a female connector is electrified when a cable connector on the storage battery power supply device is plugged.
In order to achieve the purpose, the invention provides the following scheme:
a charge and discharge locking mechanism for an explosion-proof battery power supply device, comprising: the explosion-proof switch box comprises an explosion-proof switch box, a cable connector, a screw, a lead-in device, a connecting cable, a switch, a switching-on/off handle and a plug position detector;
the introducing device is arranged on one side of the explosion-proof switch box; the cable connector is fixed on the other side of the explosion-proof switch box through the screw; the connecting cable, the switch and the device plug position detector are all arranged in the switch explosion-proof box; one end of the opening and closing handle is connected with the operation part of the switch, and the other end of the opening and closing handle penetrates through the explosion-proof switch box.
Optionally, the cable connector comprises a plug and a socket; the socket is fixed on the explosion-proof switch box through the screw.
Optionally, the cable connector is provided with an inner conductor inside, insulated from the housing.
Optionally, the plug position detector comprises: the travel switch, the connecting nut, the ejector rod, the compression spring, the connecting bolt and the hexagon nut; the travel switch is connected with one end of the coupling nut through threads; the other end of the coupling nut is connected with one end of the coupling bolt through threads; the other end of the connecting bolt is provided with a hexagon nut; the ejector rod is arranged between the connecting nut and the connecting bolt in a sliding manner, and a compression spring is sleeved outside the ejector rod; the plug position detector penetrates through the socket and the explosion-proof switch box and is respectively clamped on two sides of the socket and the explosion-proof switch box through the coupling nut and the coupling bolt.
Optionally, the method further comprises: the mounting plate, the control power supply and the fuse are arranged in the explosion-proof switch box; the control power supply is arranged on the mounting plate, and the fuse is arranged on the input side and the output side of the control power supply.
Optionally, the switch is a switch with an electronic trip mechanism, and a trip coil adopted by the switch is a standard voltage.
Optionally, the introducing device and the explosion-proof switch box are connected by adopting a screw thread type or a pressure plate type.
Optionally, the ejector rod is of a structure with two thin ends and a thick middle.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
when the plug and the socket of the cable connector are separated, a tripping coil on a switch which is in a closing state in the explosion-proof switch box is triggered in advance through detection of a plug position detector, so that the switch is tripped, the situation that the explosion-proof combination state of the plug and the socket is not invalid is guaranteed, the socket is not electrified inside, the environmental safety is guaranteed, and the safety of outside operators is further guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a front view of a charging and discharging locking mechanism for an explosion-proof battery power supply apparatus according to an embodiment of the present invention;
FIG. 2 is a side view of a charging and discharging locking mechanism for an explosion-proof battery power supply apparatus according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a charging/discharging locking mechanism for an explosion-proof battery power supply apparatus according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a plug position detector in accordance with an embodiment of the present invention;
fig. 5 is a circuit diagram of a charge and discharge locking mechanism for an explosion-proof battery power supply apparatus according to an embodiment of the present invention.
Reference numerals: 1. an explosion-proof switch box 2, a cable connector 2-1, a socket 2-2, a plug 2-1(1), an internal conductor 3, a screw 4, a leading-in device 5, a connecting cable 6, a switch 7, a switching-off and switching-on handle 8, a mounting plate 9, a control power supply 10, a fuse 11, a plug position detector 11-1, a travel switch 11-2, a connecting nut 11-3, a push rod 11-4, a compression spring 11-5, a connecting bolt 11-6 and a hexagon nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a charging and discharging locking mechanism for an explosion-proof storage battery power supply device, which is used for solving the problem that the inside of a female connector is electrified when a cable connector on the storage battery power supply device is plugged.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 3, the present invention provides a charging and discharging locking mechanism for an explosion-proof battery power supply apparatus, comprising: the explosion-proof switch box comprises an explosion-proof switch box 1, a cable connector 2, a screw 3, a lead-in device 4, a connecting cable 5, a switch 6, a switching-on/off handle 7 and a plug position detector 11.
The lead-in device 1 for leading in the cable at the battery side is arranged at one side of the explosion-proof switch box; the two can adopt a screw thread type or a press disc type connection.
As shown in fig. 4, the cable connector 2 is fixed to the other side of the explosion-proof switch box 1 by the screw 3. The cable connector 2 comprises a socket 2-1 and a plug 2-2; the cable connector 2 is internally provided with an inner conductor 2-1(1)1 which is insulated from the shell; the socket 2-1 is fixed on the explosion-proof switch box 1 through a screw 3.
The connecting cable 5, the switch 6 and the device plug position detector 11 are all arranged in the switch explosion-proof box 1. The switch 6 is a switch with an electronic tripping mechanism, and a tripping coil adopted by the switch is standard voltage.
The connecting cable 5 is used for connecting the battery, the switch 6 with the electronic tripping mechanism and the circuit of the socket 2-1.
One end of the switch-on/off handle 7 is connected with the operation part of the switch 6, and the other end of the switch-on/off handle 7 penetrates through the explosion-proof switch box 1 and is used for switching-on/off operation.
The plug position detector 11 includes: the device comprises a travel switch 11-1, a connecting nut 11-2, a top rod 11-3, a compression spring 11-4, a connecting bolt 11-5 and a hexagon nut 11-6. The travel switch 11-1 is screwed into the coupling nut 11-2 through threads; the connecting nut 11-2 is connected with the connecting bolt 11-5 through threads; the ejector rod 11-3 slides between the connecting nut 11-2 and the connecting bolt 11-5, a compression spring 11-4 is sleeved outside the ejector rod 11-3, and the ejector rod 11-3 is designed into a structure with two thin ends and thick middle to ensure that the ejector rod does not fall off in the sliding process; and the hexagonal nut 11-6 is screwed on the outer side thread of the ejector rod.
The plug position detector 11 penetrates through the socket 2-1 and the explosion-proof switch box 1 and is clamped and fixed by a coupling nut 11-2 and a coupling bolt 11-5.
The plug 2-1 and the socket 2-2 of the cable connector 2 need to be tightly connected during charging and discharging, current is borne by the inner conductor 2-1(1)1 of the cable connector 2, and the shell is not electrified; a plug position detector 11 on the cable connector 2 penetrates through the socket 2-2 and the explosion-proof switch box 1 and is clamped on two sides of the socket 2-2 and the explosion-proof switch box 1 respectively through a coupling nut 11-2 and a coupling bolt 11-5; the connecting nut 11-2 is connected with the connecting bolt 11-5 through threads; the travel switch 11-1 is fixed on the connecting nut 11-2 through threads; the connecting bolt is of an inner hollow structure, and the ejector rod 11-3 can slide in the connecting bolt; a compression spring 11-4 is arranged between the ejector rod 11-3 and the connecting bolt 11-5; two hexagonal nuts 11-6 are installed on the top rod 11-3 through threads and can be adjusted in position.
When the power supply device is charged and discharged, under the condition that the plug 2-1 and the socket 2-2 of the cable connector 2 are tightly connected, the outer edge of the plug 2-1 props against the hexagonal nut 11-6 of the plug position detector 11, so that the spring 11-4 is in a compressed state, the ejector rod 11-3 moves to be combined with the travel switch 11-1, and a contact inside the travel switch 11-1 is disconnected; the electronic trip coil of the switch 6 remains de-energized, thereby keeping the switch 6 closed.
When a plug 2-1 and a socket 2-2 of the cable connector 2 are separated under the switching-on state of the switch 6, the outer edge of the plug 2-1 cannot prop against a hexagonal nut 11-6 of the plug position detector 11, so that the spring 11-4 is in a rebound state, the ejector rod 11-3 moves to be separated from the travel switch 11-1, and a contact inside the travel switch 11-1 is closed; an electronic tripping coil of the switch 6 is electrified, so that the switch 6 is tripped, and when the explosion-proof combination state of the plug 2-1 and the socket 2-2 is not invalid in the separation process of the plug 2-1 and the socket 2-2, the socket 2-2 is not electrified, the environmental safety is guaranteed, and the safety of outside operators is further guaranteed.
The charge and discharge locking mechanism for the power supply device of the explosion-proof storage battery provided by the invention further comprises: the explosion-proof switch box comprises a mounting plate 8, a control power supply 9 and a fuse 10 which are arranged inside the explosion-proof switch box 1. The control power supply 9 and the fuse 10 are respectively fixed on the mounting plate 8, and the mounting plate 8 is fixed on the inner side wall of the switch box 1.
The charge-discharge locking mechanism for the explosion-proof storage battery power supply device can be installed on batteries with different voltage grades and different capacity grades, a tripping coil adopted by the switch 6 is standard voltage, the voltage of the different batteries is converted into the standard voltage through the control power supply 9 with a wide voltage range, and the fuse 11 is installed on the input and output sides of the control power supply 9 to prevent the control power supply from being damaged by short circuit.
Fig. 5 is a schematic circuit diagram, which is composed of a switch with an electronic trip mechanism, a connecting wire, a fuse, a control power supply, a trip coil, a travel switch and a socket, and the positions and the connection relations of all parts are correct, and all functions are coordinated.
The invention has obvious advancement compared with the background art, the invention is directed at the situation that the current plug connector of the explosion-proof storage battery power supply device is electrified and separated to have potential safety hazard, and the invention designs a charge-discharge locking mechanism for the explosion-proof storage battery power supply device.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (8)

1. A charge and discharge locking mechanism for an explosion-proof storage battery power supply device is characterized by comprising: the explosion-proof switch box comprises an explosion-proof switch box, a cable connector, a screw, a lead-in device, a connecting cable, a switch, a switching-on/off handle and a plug position detector;
the introducing device is arranged on one side of the explosion-proof switch box; the cable connector is fixed on the other side of the explosion-proof switch box through the screw; the connecting cable, the switch and the device plug position detector are all arranged in the switch explosion-proof box; one end of the opening and closing handle is connected with the operation part of the switch, and the other end of the opening and closing handle penetrates through the explosion-proof switch box.
2. The charging and discharging latching mechanism for an explosion-proof battery power supply apparatus according to claim 1, wherein the cable connector includes a plug and a socket; the socket is fixed on the explosion-proof switch box through the screw.
3. The charging and discharging locking mechanism for an explosion-proof battery power supply apparatus according to claim 1, wherein an inner conductor is provided inside the cable connector, insulated from the case.
4. The charging and discharging locking mechanism for an explosion-proof secondary battery power supply apparatus according to claim 2, wherein the plug position detector includes: the travel switch, the connecting nut, the ejector rod, the compression spring, the connecting bolt and the hexagon nut; the travel switch is connected with one end of the coupling nut through threads; the other end of the coupling nut is connected with one end of the coupling bolt through threads; the other end of the connecting bolt is provided with a hexagon nut; the ejector rod is arranged between the connecting nut and the connecting bolt in a sliding manner, and a compression spring is sleeved outside the ejector rod; the plug position detector penetrates through the socket and the explosion-proof switch box and is respectively clamped on two sides of the socket and the explosion-proof switch box through the coupling nut and the coupling bolt.
5. The charging and discharging locking mechanism for an explosion-proof battery power supply apparatus according to claim 1, further comprising: the mounting plate, the control power supply and the fuse are arranged in the explosion-proof switch box; the control power supply is arranged on the mounting plate, and the fuse is arranged on the input side and the output side of the control power supply.
6. The charging and discharging lock mechanism for an explosion-proof battery power supply apparatus according to claim 1, wherein the switch is a switch with an electronic trip mechanism, and a trip coil used for the switch is a standard voltage.
7. The charging and discharging locking mechanism for an explosion-proof battery power supply device according to claim 1, wherein the introducing device is connected with the explosion-proof switch box by a screw type or a pressure plate type.
8. The charging and discharging lock mechanism for an explosion-proof battery power supply apparatus according to claim 4, wherein the rod is formed to have a thin end and a thick middle.
CN202111132992.XA 2021-09-27 2021-09-27 Charging and discharging locking mechanism for explosion-proof storage battery power supply device Pending CN113964403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111132992.XA CN113964403A (en) 2021-09-27 2021-09-27 Charging and discharging locking mechanism for explosion-proof storage battery power supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111132992.XA CN113964403A (en) 2021-09-27 2021-09-27 Charging and discharging locking mechanism for explosion-proof storage battery power supply device

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Publication Number Publication Date
CN113964403A true CN113964403A (en) 2022-01-21

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201365070Y (en) * 2009-01-13 2009-12-16 宁波如意股份有限公司 Explosion-proof power junction box
CN102163865A (en) * 2011-04-19 2011-08-24 中国科学院长春光学精密机械与物理研究所 Charger with automatic power-off function
CN104078642A (en) * 2014-05-21 2014-10-01 宁波如意股份有限公司 Anti-explosion power supply device of electric vehicle
CN107196129A (en) * 2017-07-06 2017-09-22 深圳市禾沐微科技有限公司 CA cable assembly, power supply unit and electric automobile
CN107359467A (en) * 2017-07-28 2017-11-17 宝鸡市天瑞有色金属材料有限责任公司 With the automatic family expenses charging pile for removing charging plug and power-off protection function
CN112366486A (en) * 2020-11-25 2021-02-12 中国石油天然气集团有限公司 Socket power supply device capable of preventing live plugging and unplugging and connection method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201365070Y (en) * 2009-01-13 2009-12-16 宁波如意股份有限公司 Explosion-proof power junction box
CN102163865A (en) * 2011-04-19 2011-08-24 中国科学院长春光学精密机械与物理研究所 Charger with automatic power-off function
CN104078642A (en) * 2014-05-21 2014-10-01 宁波如意股份有限公司 Anti-explosion power supply device of electric vehicle
CN107196129A (en) * 2017-07-06 2017-09-22 深圳市禾沐微科技有限公司 CA cable assembly, power supply unit and electric automobile
CN107359467A (en) * 2017-07-28 2017-11-17 宝鸡市天瑞有色金属材料有限责任公司 With the automatic family expenses charging pile for removing charging plug and power-off protection function
CN112366486A (en) * 2020-11-25 2021-02-12 中国石油天然气集团有限公司 Socket power supply device capable of preventing live plugging and unplugging and connection method

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