CN213602076U - New energy automobile charging cable with automatic power off - Google Patents

New energy automobile charging cable with automatic power off Download PDF

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Publication number
CN213602076U
CN213602076U CN202022763355.XU CN202022763355U CN213602076U CN 213602076 U CN213602076 U CN 213602076U CN 202022763355 U CN202022763355 U CN 202022763355U CN 213602076 U CN213602076 U CN 213602076U
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China
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hollow
conductor
copper plate
electromagnetic ring
contact copper
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Expired - Fee Related
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CN202022763355.XU
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Chinese (zh)
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蒋晶晶
邹宸阳
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Individual
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Individual
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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Abstract

The utility model relates to a new energy automobile charging cable line with automatic outage. A first electromagnetic ring is wound outside the first magnetic core cylinder, and a second electromagnetic ring is wound outside the second magnetic core cylinder; a first limiting groove is formed in one end of the outer edge of the first magnetic core cylinder, and a second limiting groove is formed in one end of the outer edge of the second magnetic core cylinder; the first contact copper plate is hollow, and a first conductor needle is arranged on the edge of the hollow position in an upturned mode; the top surface of the first contact copper plate is fixed with a permanent magnet sheet by a chemical adhesive; the second contact copper plate is hollow, and a second conductor needle is arranged at the edge of the hollow position in a downward turning mode; the utility model controls the on-off of the current through the variation value of the output voltage, thereby realizing the full charge in the true sense, namely realizing the function of complete power-off; in addition, the information transmission of the voltmeter can be realized through the linkage magnetic attraction work of the first electromagnetic ring and the second electromagnetic ring, and the function expression of the scheme is finally realized.

Description

New energy automobile charging cable with automatic power off
Technical Field
The utility model relates to a new energy automobile charging cable line with automatic outage.
Background
And after the lithium battery of the new energy automobile reaches a full-charge state, the lithium battery is continuously charged. Such an approach may cause an increase in the internal pressure of the battery, deformation of the battery, leakage of the liquid, and the like, and the performance of the battery may be significantly degraded and deteriorated. Lithium ion batteries, when misused or abused, may result in overcharging. When overcharging, because a large amount of gas is generated in the battery, the hidden danger of explosion exists, and the research on small batteries is more; the lithium ion power battery has large charging and discharging current, is not easy to dissipate heat, is easier to cause safety problem during overcharge, and has less research on the aspect. The overcharge has a great influence on the safety of the battery, so that the high overcharge resistance of the battery is a necessary condition for commercialization of the lithium ion power battery. The safety of lithium ion batteries under overcharge conditions is a major problem. When the lithium ion battery is overcharged, the voltage of the battery rapidly rises along with the increase of polarization, irreversible change of a positive electrode active material structure and decomposition of electrolyte can be caused, a large amount of gas is generated, a large amount of heat is released, the temperature and the internal pressure of the battery are rapidly increased, and potential hazards such as explosion, combustion and the like exist. In order to prevent overcharge, a special charging circuit is usually adopted, or a safety valve is installed, so as to provide a greater degree of overcharge protection; the positive temperature coefficient resistor can also be adopted, and the positive temperature coefficient resistor can increase the internal resistance of the battery when the battery is overcharged and is heated up, so that the overcharge current is limited. A special diaphragm can also be adopted, and when the battery is abnormal and the temperature of the diaphragm is overhigh, the pores of the diaphragm are shrunk and blocked, so that the migration of lithium ions is prevented, and the overcharge is prevented. The above methods all have certain effects, but increase the cost and complexity of the battery, determine the overcharge state of the battery through monitoring the voltage of the battery, are often inaccurate, and cannot thoroughly solve the safety problem caused by overcharge.
Disclosure of Invention
The utility model aims at providing a new energy automobile charging cable line with automatic outage.
The utility model provides a following technical scheme is adopted to its foretell technical problem: a new energy automobile charging cable with automatic power off mainly comprises: first electromagnetic ring, second electromagnetic ring, a first magnetic core section of thick bamboo, first spacing groove, a second magnetic core section of thick bamboo, second spacing groove, first contact copper, first conductor needle, second contact copper, second conductor needle, permanent magnetism piece, column gasbag, solid wire, insulating coating, first hollow conduit, second hollow conduit, hollow threading pipe, pipe round pin piece, voltmeter, pointer, contact post, contact strip, voltmeter terminal, its characterized in that: a first electromagnetic ring is wound outside the first magnetic core cylinder, and a second electromagnetic ring is wound outside the second magnetic core cylinder; a first limiting groove is formed in one end of the outer edge of the first magnetic core cylinder, and a second limiting groove is formed in one end of the outer edge of the second magnetic core cylinder;
the first contact copper plate is hollow, and a first conductor needle is arranged on the edge of the hollow position in an upturned mode; the top surface of the first contact copper plate is fixed with a permanent magnet sheet by a chemical adhesive; the second contact copper plate is hollow, and a second conductor needle is arranged at the edge of the hollow position in a downward turning mode; permanent magnetic sheets are fixed on the bottom surface of the second contact copper plate by using a chemical adhesive, an embedding groove is annularly formed in the top of the second contact copper plate, and a columnar air bag is embedded in the embedding groove;
the first contact copper plate, the first conductor pin and the permanent magnet sheet form a first jumper frame; the second contact copper plate, the second conductor needle, the permanent magnetic sheet and the columnar air bag form a second jumper frame;
the first limiting groove and the second limiting groove are respectively provided with a hollow threading pipe, the first limiting groove and the second limiting groove are alternately embedded into each other, and pipe pin pieces are transversely bolted at the tail end of each hollow threading pipe;
the first springboard frame penetrates into the first magnetic core cylinder; the second springboard frame penetrates into the second magnetic core cylinder; the magnetic pole surface generated on the top surface of the second electromagnetic ring is the same as the magnetic pole surface of the permanent magnet sheet fixed under the second contact copper plate; the magnetic pole surface generated on the bottom surface of the first electromagnetic ring is the same as the magnetic pole surface of the permanent magnet sheet fixed on the first contact copper plate;
a first hollow conduit is embedded in the first conductor needle which is encircled into a cylindrical shape; a second hollow conduit is embedded in the second conductor needle which is encircled into a cylindrical shape; the first hollow conduit and the second hollow conduit are penetrated with solid conductors, and the solid conductors are wrapped with insulating wrapping layers;
the first hollow conduit and the second hollow conduit are abutted to form a first section of conductor, and the solid conductor is a second section of conductor; the first section of conductor and the second section of conductor form the anode and the cathode of the automobile charging cable;
the first hollow conduit is connected to the output end of the power supply; the second hollow conduit is connected with the plug part of the automobile charging cable; the first hollow conduit and the solid conductor are connected to a binding post of a voltmeter; a pointer is arranged at the central position on the inner dial plate of the voltmeter, and a contact column is arranged at the tail end of the pointer at the central position; an arc-shaped contact strip is embedded in the inner dial plate of the voltmeter, and one end of a pointer is abutted on the contact strip;
the first electromagnetic ring and the second electromagnetic ring are connected in parallel to form a positive terminal and a negative terminal; the positive terminal is connected with the solid conductor, and the negative terminal is connected with the contact post; the contact bar is connected with the second hollow conduit.
Furthermore, the flat cables of the first electromagnetic ring and the second electromagnetic ring are inserted and stored through the hollow threading pipe.
Further, the columnar air bag is in a compressed state, and the shape of the columnar air bag is completely pressed into the notch of the second contact copper plate.
Furthermore, the number of the first conductor pins and the number of the second conductor pins are the same and are respectively 8-14.
Furthermore, the number of the columnar air bags uniformly distributed on the second contact copper plate is 4-8.
Further, the maximum value of the range of the voltmeter is matched with the maximum voltage output by the charging cable of the new energy automobile.
Furthermore, the pointer is a metal conductor.
The utility model has the advantages that: the current is controlled to be switched on and off through the change value of the output voltage, so that the full charge in the true sense, namely the function of complete power failure is realized; in addition, the information transmission of the voltmeter can be realized through the linkage magnetic attraction work of the first electromagnetic ring and the second electromagnetic ring, and the function expression of the scheme is finally realized.
Drawings
Fig. 1 is the utility model discloses a new energy automobile charging cable line overall structure chart with automatic power off.
Fig. 2 is a cross-sectional structure diagram of a solid wire and a hollow wire conduit of a new energy vehicle charging cable with automatic power off of the present invention.
Fig. 3 is a schematic structural view of a solid wire and a hollow wire tube of a charging cable of a new energy automobile with an automatic power off function of the present invention.
Fig. 4 is an explosion structure diagram of the charging cable of the new energy automobile with automatic power off.
Fig. 5 is a cross insertion structure diagram of the limiting groove of the charging cable of the new energy vehicle with automatic power off of the present invention.
Fig. 6 is a structural diagram of the utility model after the voltmeter structure of the charging cable line of the new energy automobile with automatic power off is modified.
In the figure, 1-a first electromagnetic ring, 2-a second electromagnetic ring, 3-a first magnetic core barrel, 31-a first limit groove, 4-a second magnetic core barrel, 41-a second limit groove, 5-a first contact copper plate, 51-a first conductor needle, 6-a second contact copper plate, 61-a second conductor needle, 7-a permanent magnetic sheet, 8-a columnar air bag, 9-a solid conductor, 91-an insulating wrapping layer, 10-a first hollow conductor pipe, 11-a second hollow conductor pipe, 12-a hollow threading pipe, 121-a pipe pin sheet, 13-a voltmeter, 131-a pointer, 132-a contact column, 133-a contact strip and 134-a voltmeter terminal.
Detailed Description
The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 6.
Example (b): a new energy automobile charging cable with automatic power off mainly comprises: first electromagnetic ring 1, second electromagnetic ring 2, a first magnetic core section of thick bamboo 3, first spacing groove 31, a second magnetic core section of thick bamboo 4, second spacing groove 41, first contact copper 5, first conductor needle 51, second contact copper 6, second conductor needle 61, permanent magnetism piece 7, column gasbag 8, solid wire 9, insulating coating 91, first hollow conduit 10, second hollow conduit 11, hollow threading pipe 12, pipe pin piece 121, voltmeter 13, pointer 131, contact post 132, contact strip 133, voltmeter terminal 134, its characterized in that: a first electromagnetic ring 1 is wound outside the first magnetic core cylinder 3, and a second electromagnetic ring 2 is wound outside the second magnetic core cylinder 4; a first limiting groove 31 is formed in one end of the outer edge of the first magnetic core cylinder 3, and a second limiting groove 41 is formed in one end of the outer edge of the second magnetic core cylinder 4;
the first contact copper plate 5 is hollow, and a first conductor needle 51 is arranged on the edge of the hollow position in an upturned mode; the top surface of the first contact copper plate 5 is fixed with a permanent magnet sheet 7 by chemical adhesive; the second contact copper plate 6 is hollow, and a second conductor needle 61 is arranged at the edge of the hollow position in a downward turning mode; the bottom surface of the second contact copper plate 6 is fixed with a permanent magnet sheet 7 by chemical bonding agent, the top of the second contact copper plate 6 is annularly provided with a caulking groove, and a columnar air bag 8 is embedded in the caulking groove;
the first contact copper plate 5, the first conductor pin 51 and the permanent magnet sheet 7 form a first jumper frame; the second contact copper plate 6, the second conductor needle 61, the permanent magnet sheet 7 and the columnar air bag 8 form a second jumper frame;
the first limiting groove 31 and the second limiting groove 41 both contain a hollow threading pipe 12, the first limiting groove 31 and the second limiting groove 41 are embedded into each other in a crossed manner, and pipe pins 121 are transversely bolted at the tail end of the hollow threading pipe 12;
the first springboard frame penetrates into the first magnetic core cylinder 3; the second springboard frame penetrates into the second magnetic core cylinder 4; the magnetic pole surface generated on the top surface of the second electromagnetic ring 2 is the same as the magnetic pole surface of the permanent magnet sheet 7 fixed on the lower part of the second contact copper plate 6; the magnetic pole surface generated on the bottom surface of the first electromagnetic ring 1 is the same as the magnetic pole surface of the permanent magnet sheet 7 fixed on the first contact copper plate 5;
a first hollow conduit 10 is embedded in the first conductor needle 51 which is enclosed into a cylinder shape; a second hollow conduit 11 is embedded in the second conductor needle 61 which is encircled into a cylindrical shape; the solid lead 9 penetrates through the first hollow lead 10 and the second hollow lead 11, and an insulating wrapping layer 91 wraps the solid lead 9;
the first hollow conduit 10 and the second hollow conduit 11 are abutted to form a first section of conductor, and the solid conductor 9 is a second section of conductor; the first section of conductor and the second section of conductor form the anode and the cathode of the automobile charging cable;
the first hollow conduit 10 is connected to the output end of the power supply; the second hollow conduit 11 is connected with the plug part of the automobile charging cable; the first hollow conduit 10 and the solid conductor 9 are connected to a voltmeter terminal 134; a pointer 131 is arranged at the central position on the inner dial plate of the voltmeter 13, and a contact column 132 is arranged at the tail end of the pointer 131 at the central position; an arc-shaped contact bar 133 is embedded in the inner dial of the voltmeter 13, and one end of the pointer 131 is abutted on the contact bar 133;
the first electromagnetic ring 1 and the second electromagnetic ring 2 are connected in parallel to form a positive terminal and a negative terminal; the positive terminal is connected with the solid lead 9, and the negative terminal is connected with the contact post 132; the contact strip 133 is connected to the second hollow conductor 11.
The flat cables of the first electromagnetic ring 1 and the second electromagnetic ring 2 are inserted and stored through the hollow threading pipe 12.
The cylindrical bladder 8 is in a compressed state and is completely pressed into the groove of the second contact copper plate 6.
The number of the first conductor pins 51 and the number of the second conductor pins 61 are the same and are respectively 8-14.
The number of the columnar air bags 8 is 4-8 uniformly distributed on the second contact copper plate 6.
The maximum value of the range of the voltmeter 13 is matched with the maximum voltage output by the charging cable of the new energy automobile.
The pointer 131 is a metal conductor.
The following explains the implementation process of the present invention:
the magnetic pole surface generated on the top surface of the second electromagnetic ring 2 is the same as the magnetic pole surface of the permanent magnet sheet 7 fixed on the lower part of the second contact copper plate 6; the magnetic pole surface generated on the bottom surface of the first electromagnetic ring 1 is the same as the magnetic pole surface of the permanent magnet sheet 7 fixed on the first contact copper plate 5; because the magnetic fields repel each other, the magnetic fields generated by the first electromagnetic ring 1 and the second electromagnetic ring 2 push the first contact copper plate 5 and the second contact copper plate 6 away from the body in the electrified state, so that the first contact copper plate 5 and the second contact copper plate 6 are abutted and closed, and a passage between the first hollow conduit 10 and the second hollow conduit 11 is realized; the first hollow conduit 10 and the second hollow conduit 11 are connected to form a path of electric wire, and the solid conductor 9 is another path of electric wire; two lines of electric wires form a basic new energy automobile charging cable.
The use process comprises the following steps: firstly, inserting a plug of the cable into a charging saddle of the new energy vehicle; restarting the charged power supply; because the battery of the new energy vehicle is in a low-voltage state, when the power supply is switched on, the pointer 131 which is connected to the voltmeter 13 on the cable and is displayed in the same way is in a low-voltage state, and therefore the pointer 131, the contact post 132 and the contact strip 133 are in a communicated state, the first electromagnetic ring 1 and the second electromagnetic ring 2 are electrified to generate a magnetic field, the first contact copper plate 5 and the second contact copper plate 6 are forced to overcome the elasticity of the columnar air bag 8 to be closed, the first hollow conduit 10 and the second hollow conduit 11 form a conductive through body after the closing, and the charging is in progress.
When electricity is in a full state, the pointer 131 slides out of the effective arc-shaped conductive contact range of the contact bar 133, and the contact column 132 and the contact bar 133 are in an open circuit, so that the first electromagnetic ring 1 and the second electromagnetic ring 2 are in an open circuit, and the magnetic fields of the first electromagnetic ring 1 and the second electromagnetic ring 2 disappear. At this time, the columnar balloon 8 recovers its shape, and the first and second contact copper plates 5 and 6 are separated from each other, and the first and second hollow lead tubes 10 and 11 are disconnected from each other, and charging is completed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A new energy automobile charging cable with automatic power off mainly comprises: first electromagnetic ring (1), second electromagnetic ring (2), a first magnetic core section of thick bamboo (3), first spacing groove (31), a second magnetic core section of thick bamboo (4), second spacing groove (41), first contact copper (5), first conductor needle (51), second contact copper (6), second conductor needle (61), permanent magnetism piece (7), column gasbag (8), solid wire (9), insulating coating (91), first hollow conduit (10), the hollow conduit of second (11), hollow threading pipe (12), pipe round pin piece (121), voltmeter (13), pointer (131), contact post (132), contact strip (133), voltmeter terminal (134), its characterized in that: a first electromagnetic ring (1) is wound outside the first magnetic core cylinder (3), and a second electromagnetic ring (2) is wound outside the second magnetic core cylinder (4); a first limiting groove (31) is formed in one end of the outer edge of the first magnetic core cylinder (3), and a second limiting groove (41) is formed in one end of the outer edge of the second magnetic core cylinder (4);
the first contact copper plate (5) is hollow, and a first conductor needle (51) is arranged on the edge of the hollow position in an upturned mode; the top surface of the first contact copper plate (5) is fixed with a permanent magnet sheet (7) by chemical bonding agent; the second contact copper plate (6) is hollow, and a second conductor needle (61) is arranged at the edge of the hollow position in a downward turning mode; permanent magnet sheets (7) are fixed on the bottom surface of the second contact copper plate (6) through chemical bonding agents, an embedding groove is annularly formed in the top of the second contact copper plate (6), and a columnar air bag (8) is embedded in the embedding groove;
the first contact copper plate (5), the first conductor pin (51) and the permanent magnet sheet (7) form a first jumper frame; the second jumper frame is formed by the second contact copper plate (6), the second conductor needle (61), the permanent magnet sheet (7) and the columnar air bag (8);
the first limiting groove (31) and the second limiting groove (41) both contain a hollow threading pipe (12), the first limiting groove (31) and the second limiting groove (41) are embedded into each other in a crossed manner, and pipe pin pieces (121) are bolted at the tail ends of the hollow threading pipes (12) in a transverse manner;
the first springboard frame penetrates into the first magnetic core cylinder (3); the second springboard frame penetrates into the second magnetic core cylinder (4); the magnetic pole surface generated on the top surface of the second electromagnetic ring (2) is the same as the magnetic pole surface of the permanent magnet sheet (7) fixed under the second contact copper plate (6); the magnetic pole surface generated on the bottom surface of the first electromagnetic ring (1) is the same as the magnetic pole surface of the permanent magnet sheet (7) fixed on the first contact copper plate (5);
a first hollow conduit (10) is embedded in the first conductor needle (51) which is encircled into a cylinder shape; a second hollow conduit (11) is embedded in the second conductor needle (61) which is encircled into a cylinder shape; the solid lead (9) penetrates through the first hollow lead (10) and the second hollow lead (11), and an insulating wrapping layer (91) wraps the solid lead (9);
the first hollow conduit (10) and the second hollow conduit (11) are abutted to form a first section of conductor, and the solid conductor (9) is a second section of conductor; the first section of conductor and the second section of conductor form the anode and the cathode of the automobile charging cable;
the first hollow conduit (10) is connected to the power output end; the second hollow conduit (11) is connected with the plug part of the automobile charging cable; the first hollow conduit (10) and the solid conductor (9) are connected to a voltmeter binding post (134); a pointer (131) is arranged at the central position on the inner dial plate of the voltmeter (13), and a contact column (132) is arranged at the tail end of the pointer (131) at the central position; an arc-shaped contact bar (133) is embedded in the inner dial of the voltmeter (13), and one end of a pointer (131) is abutted on the contact bar (133);
the first electromagnetic ring (1) and the second electromagnetic ring (2) are connected in parallel to form a positive terminal and a negative terminal; the positive terminal is connected with the solid lead (9), and the negative terminal is connected with the contact post (132); the contact bar (133) is connected with the second hollow conduit (11).
2. The new energy automobile charging cable with automatic power off function as claimed in claim 1, wherein the cables of the first electromagnetic ring (1) and the second electromagnetic ring (2) are inserted into and received by a hollow conduit (12).
3. The new energy automobile charging cable with automatic power off function as claimed in claim 1, wherein the columnar air bag (8) is under compression and is completely pressed into the groove of the second contact copper plate (6).
4. The new energy automobile charging cable line with the automatic power off function as claimed in claim 1, wherein the number of the first conductor pins (51) and the number of the second conductor pins (61) are the same and are 8-14.
5. The new energy automobile charging cable with automatic power off function as claimed in claim 1, wherein the number of the columnar air bags (8) uniformly distributed on the second contact copper plate (6) is 4-8.
6. The new energy automobile charging cable line with the automatic power off function as claimed in claim 1, wherein the maximum value of the range of the voltmeter (13) is matched with the maximum voltage output by the new energy automobile charging cable.
7. The new energy automobile charging cable with automatic power off function as claimed in claim 1, wherein the indicator (131) is a metal conductor.
CN202022763355.XU 2020-11-25 2020-11-25 New energy automobile charging cable with automatic power off Expired - Fee Related CN213602076U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022763355.XU CN213602076U (en) 2020-11-25 2020-11-25 New energy automobile charging cable with automatic power off

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022763355.XU CN213602076U (en) 2020-11-25 2020-11-25 New energy automobile charging cable with automatic power off

Publications (1)

Publication Number Publication Date
CN213602076U true CN213602076U (en) 2021-07-02

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ID=76597058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022763355.XU Expired - Fee Related CN213602076U (en) 2020-11-25 2020-11-25 New energy automobile charging cable with automatic power off

Country Status (1)

Country Link
CN (1) CN213602076U (en)

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Granted publication date: 20210702

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