CN114389078A - Liquid cooling device of power core wire with contact pin terminal - Google Patents

Liquid cooling device of power core wire with contact pin terminal Download PDF

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Publication number
CN114389078A
CN114389078A CN202011109823.XA CN202011109823A CN114389078A CN 114389078 A CN114389078 A CN 114389078A CN 202011109823 A CN202011109823 A CN 202011109823A CN 114389078 A CN114389078 A CN 114389078A
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CN
China
Prior art keywords
liquid
hole
pin terminal
terminal
mounting
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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
CN202011109823.XA
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Chinese (zh)
Inventor
宋高军
王建东
邹志平
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.)
Zhangjiagang Uchen New Energy Co ltd
Original Assignee
Zhangjiagang Uchen New Energy 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 Zhangjiagang Uchen New Energy Co ltd filed Critical Zhangjiagang Uchen New Energy Co ltd
Priority to CN202011109823.XA priority Critical patent/CN114389078A/en
Publication of CN114389078A publication Critical patent/CN114389078A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds

Abstract

The invention discloses a liquid cooling device of a power core wire with a pin terminal, which can cool the whole body of the pin terminal well, comprising a pin terminal, a wire tail terminal and a liquid cooling pipe, wherein a conductor crimping piece is arranged in the pin terminal in a penetrating way, and the pin terminal comprises: the installation department, needle-like grafting portion and tubulose connecting portion, seted up installation fixed orifices and first business turn over liquid mouth in the installation department, be equipped with first sealing connector on the first business turn over liquid mouth, be equipped with the heart yearn mounting hole in the line tail terminal, the line tail terminal is equipped with tubulose connecting portion in the bead department of its heart yearn mounting hole, establish respectively in the crimping hole of conductor crimping piece and the heart yearn mounting hole of line tail terminal at the both ends of power heart yearn, the both ends of liquid-cooling pipe are established respectively on the tubulose connecting portion of contact pin terminal and line tail terminal, the second business turn over liquid mouth has been seted up on the line tail terminal, be provided with the drain pipe through second sealing connector on the second business turn over liquid mouth. The liquid cooling device is mainly used for being installed in a charging cable for charging an electric vehicle.

Description

Liquid cooling device of power core wire with contact pin terminal
Technical Field
The invention relates to a power cable, in particular to a liquid cooling device of a power core wire with a contact pin terminal in a power cable.
Background
Under the influence of policies and environmental requirements, electric vehicles are becoming popular at a high speed. The anxiety of too long a charge time has also been troubling consumers. In recent years, along with the development of the battery technology of the electric automobile, the charging multiplying power is continuously improved, the requirement on the charging current is continuously improved, the temperature rise in the charging connecting device is overhigh after the current is increased, and even serious accidents such as vehicle burning or people injury can be caused. The traditional charging connector improves the temperature rise effect by increasing the sectional area of the conductor, because the conductor is mostly composed of copper metal, the density is high, the overweight of the cable brought by the traditional charging connector can seriously affect the comfort of the operation of a user, and in addition, a plurality of thin and weak people can become very hard when operating, so that the traditional charging connector cannot be used for the work. At present, the liquid cooling pipeline that adopts among the traditional charging cable, although the needle-like grafting portion of contact pin terminal has also seted up in the connection the cooling chamber of liquid cooling pipeline, this cooling chamber only uses as a connected node of liquid cooling pipeline for be close to the bottom of cooling chamber more, the cooling effect is worse, therefore can not carry out better cooling to the entire body of contact pin terminal.
Disclosure of Invention
The invention aims to solve the technical problems that: the liquid cooling device of the power core wire with the pin terminal is capable of cooling the whole pin terminal.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a liquid cooling device of power heart yearn with contact pin terminal, its structure includes: the plug pin terminal is internally provided with a conductor crimping piece in a penetrating way; the pin terminal comprises a mounting part positioned in the middle, a needle-shaped insertion part positioned in the front and a tubular connecting part positioned in the rear, wherein the mounting part of the pin terminal is provided with a mounting fixing hole communicated with the tubular connecting part and a first liquid inlet and outlet vertically communicated with the mounting fixing hole; the conductor crimping piece is inserted into the fixed mounting hole in the middle of the contact pin terminal from the tubular connecting part at the rear part of the contact pin terminal and is arranged in the fixed mounting hole in the middle of the contact pin terminal, the crimping hole is formed in the rear part of the conductor crimping piece, the flow channel spacer matched with the cooling cavity is arranged at the front end of the conductor crimping piece, the flow channel spacer at the front end of the conductor crimping piece is inserted into the cooling cavity and divides the corresponding part of the cooling cavity into a liquid inlet half cavity and a liquid outlet half cavity, a connecting flow channel is arranged between the end part of the flow channel spacer and the bottom of the cooling cavity, a liquid outlet flow channel is formed between the conductor crimping piece and the tubular connecting part of the contact pin terminal, and a liquid inlet groove for connecting the liquid inlet half cavity with the first liquid inlet and outlet port and a liquid outlet groove for connecting the liquid outlet half cavity with the liquid outlet flow channel are formed in the conductor crimping piece; the front portion of line tail terminal be provided with the heart yearn mounting hole, line tail terminal be provided with rather than communicating tubulose connecting portion of heart yearn mounting hole in the bead department of its heart yearn mounting hole, the both ends of power heart yearn set up respectively in the crimping hole of conductor crimping piece and the heart yearn mounting hole of line tail terminal, the both ends of liquid cooling pipe establish respectively on the tubulose connecting portion of contact pin terminal and line tail terminal, line tail terminal set up rather than communicating second business turn over liquid mouth of heart yearn mounting hole at its front portion, be provided with the drain pipe through second sealing connector on the second business turn over liquid mouth.
As a preferred scheme, in the liquid cooling device with power core wire of contact pin terminal, the first sealing connector is the same as the second sealing connector in structure, and includes: the bolt body of the mounting screw is provided with a liquid flow hole inwards from the end part, and at least one liquid flow hole communicated with the liquid flow hole is formed in the bolt body of the mounting screw; the connecting seat is also provided with a tubular connecting part which is vertically communicated with the liquid flow cavity; first business turn over liquid mouth or second business turn over liquid mouth for with corresponding mounting screw matched with screw hole, after the sealing washer was established to the mounting screw cover, pass last sealed hole on the connecting seat, screw through hole, liquid flow chamber, screw through hole under and sealed hole down in proper order, overlap again and establish the lower sealing washer, screw up in first business turn over liquid mouth or second business turn over liquid mouth to fix the connecting seat on contact pin terminal or the line tail terminal.
Preferably, in the liquid cooling device for a power core wire with a pin terminal, the plug body of the mounting screw is provided with a liquid flow hole from the end part to the inner part along the central line of the plug body.
As a preferable scheme, in the liquid cooling device of the power core wire with the pin terminal, at least two liquid flow holes communicated with the liquid flow hole are uniformly formed in the bolt body of the mounting screw along the circumferential direction.
Preferably, in the liquid cooling apparatus for a power core wire with a pin terminal, a gap is provided between the flow passage partition and the bottom of the cooling chamber to form the connection flow passage.
Preferably, in the liquid cooling device with the power core wire having the pin terminal, the flow passage partition is provided with at least one overflowing hole at one end close to the bottom of the cooling cavity.
Preferably, in the liquid cooling apparatus for a power core wire with a pin terminal, the flow passage spacer is provided with at least one overflowing hole at one end close to the bottom of the cooling chamber to form the connecting flow passage.
As a preferable scheme, in the liquid cooling device of the power core wire with the pin terminal, a fixed mounting hole is formed at the rear part of the wire tail terminal.
As a preferable scheme, in the liquid cooling device of the power core wire with the pin terminal, a temperature sensor mounting groove for mounting a temperature sensor is formed on the mounting portion of the pin terminal.
The invention has the beneficial effects that: the liquid cooling device with the power core wire of the pin terminal can well cool the whole body of the pin terminal through the unique cooling runner structure in the liquid cooling device, so that the cooling effect is greatly improved; meanwhile, the vehicle socket connected with the pin terminal can be well cooled. In addition, the first sealing connector and the second sealing connector are more compact in structure and reduced in size, so that the space occupied by the first sealing connector and the second sealing connector in the charging cable is reduced, meanwhile, the weight of the first sealing connector and the second sealing connector is also reduced, and the cost is reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of a liquid cooling apparatus according to the present invention.
Fig. 2 is a perspective view of the pin terminal of fig. 1.
Fig. 3 is a perspective view of the conductor crimping member in fig. 1.
Fig. 4 is a schematic view of the cross-sectional structure a-a in fig. 1.
Fig. 5 is an exploded view of the liquid cooling apparatus according to the present invention.
Fig. 6 is a schematic cross-sectional structure of the pin terminal.
Fig. 7 is an exploded view of the pin terminal.
Fig. 8 is a schematic view of a three-dimensional structure of a charging gun using independent liquid inlet and outlet.
FIG. 9 is a schematic diagram of a liquid cooling apparatus according to the present invention connected in series.
Fig. 10 is a perspective view of a liquid cooling charging gun having the structure shown in fig. 9.
Reference numerals in fig. 1 to 10 are respectively: 1. liquid cooling pipe, 2, pin terminal, 20, mounting part, 201, mounting fixing hole, 202, first liquid inlet and outlet, 203, temperature sensor mounting groove, 21, needle-shaped plug part, 211, liquid inlet half cavity, 212, liquid outlet half cavity, 22, tubular connecting part, 23, liquid outlet channel, 28, anti-touch finger cap, 3, conductor crimping part, 31, crimping hole, 32, channel spacer, 321, overflowing hole, 33, liquid inlet channel, 34, liquid outlet channel, 35, diversion section, 4, power core wire, 5, wire tail terminal, 501, core wire mounting hole, 502, second liquid inlet and outlet, 51, fixing mounting hole, 52, tubular connecting part, 7, first sealing connector, 70, first connecting seat, 701, upper sealing hole, 703, screw upper through hole, 705, liquid flow cavity, 71, upper sealing ring, 72, lower sealing ring, 73, tubular connecting part, 75, mounting screw, 751, liquid flow hole, 8. second sealing connection head, 80, second connecting seat, 81, last sealing washer, 82, lower sealing washer, 83, tubulose connecting portion, 85, mounting screw, 9, feed liquor pipe, 91, first drain pipe that advances, 92, second drain pipe, 93, connecting pipe, 10, drain pipe, 100, rifle that charges, 102, the cable that charges, 103, other heart yearns.
Detailed Description
The following describes in detail a detailed embodiment of a liquid cooling apparatus for a power core with pin terminals according to the present invention with reference to the accompanying drawings.
As shown in fig. 1 and 5, a liquid cooling apparatus for a power core with a pin terminal according to the present invention includes: contact pin terminal 2, line tail terminal 5 and be used for settling the liquid cooling pipe 1 of power heart yearn, as shown in fig. 2, contact pin terminal 2 include: a mounting part 20 at the middle, a needle-like insertion part 21 at the front, and a tubular connection part 22 at the rear; as shown in fig. 6 and 7, an installation fixing hole 201 communicated with the tubular connection portion 22 and a first liquid inlet and outlet 202 vertically communicated with the installation fixing hole 201 are opened in the installation portion 20 of the pin terminal 2, a temperature sensor installation groove 203 for installing a temperature sensor is opened on the installation portion 20 of the pin terminal 2, a first sealing connector 7 is arranged on the first liquid inlet and outlet 202, and the specific structure of the first sealing connector 7 includes: the mounting screw 75, the first connecting seat 70, the upper sealing ring 71 and the lower sealing ring 72 are sequentially provided with an upper sealing hole 701, an upper screw through hole 703, a liquid flow cavity 705, a lower screw through hole and a lower sealing hole from top to bottom along an axis, the diameter of the upper sealing hole 701 is equivalent to that of the lower sealing hole, the diameter of the upper screw through hole 703 is equivalent to that of the lower screw through hole, the diameter of the upper sealing hole 701 is larger than that of the upper screw through hole 703 to form a step for placing the upper sealing ring 71, the diameter of the lower sealing hole is larger than that of the lower screw through hole to form a step for abutting against the lower sealing ring 72, and the liquid flow cavity 705 is larger than the corresponding part of the mounting screw 75, so that a gap is reserved between the mounting screw 75 and the liquid flow cavity 705; the mounting screw 75 is a hollow structure, that is: the bolt body is provided with a liquid flow hole inwards from the end part; four liquid flowing holes 751 communicated with the liquid flowing holes are formed in the bolt body of the mounting screw 75 along the circumferential direction, and a tubular connecting part 73 vertically communicated with the liquid flowing cavity 705 is further arranged on the first connecting seat 70; the first liquid inlet and outlet 202 is a threaded hole matched with the mounting screw 75, after the mounting screw 75 is sleeved with the upper sealing ring 71, the mounting screw passes through an upper sealing hole 701, a screw upper through hole 703, a liquid flow cavity 705, a screw lower through hole and a lower sealing hole on the first connecting seat 70 in sequence, and is then sleeved with the lower sealing ring 72 and screwed in the first liquid inlet and outlet 202 of the mounting part 20 of the pin terminal 2, so that the first connecting seat 70 is fixed on the mounting part 20 of the pin terminal 2; a cooling cavity communicated with the mounting fixing hole 201 is formed in the needle-shaped plugging part 21 of the pin terminal 2; the pin terminal 2 is provided with a conductor crimping piece 3, the conductor crimping piece 3 is inserted into a mounting and fixing hole 201 arranged in the middle of the pin terminal 2 from a tubular connecting part 22 at the rear part of the pin terminal 2, and is arranged in a tight fit manner-see fig. 3 (of course, the conductor crimping piece 3 can be fixed in the plug terminal 2 by adopting a bolt, corresponding bolt holes arranged on the conductor crimping piece 3 and the plug terminal 2, and the like), the rear part of the conductor crimping piece 3 is provided with a crimping hole 31, the front end of the conductor crimping piece 3 is provided with a flow channel spacer 32 matched with the cooling cavity, the flow channel spacer 32 at the front end of the conductor crimping piece 3 is inserted into the cooling cavity to separate the corresponding part of the cooling cavity into a liquid inlet half cavity 211 and a liquid outlet half cavity 212-see fig. 4, the flow channel spacer 32 at the front end of the conductor crimping piece 3 is provided with two flow through holes 321 arranged along the length direction of the flow channel spacer 32, these two overflowing holes 321 and the gap between the top end of the flow passage spacer 32 and the bottom of the cooling chamber together form a connecting flow passage (of course, the gap between the top end of the flow passage spacer 32 and the bottom of the cooling chamber may be used alone as the connecting flow passage); the conductor crimping piece 3 is provided with a flow guide section 35 with the diameter reduced at the position corresponding to the tubular connecting part 22 of the pin terminal 2, a liquid outlet channel 23 is formed between the flow guide section 35 of the conductor crimping piece 3 and the tubular connecting part 22 of the pin terminal 2, and the conductor crimping piece 3 is provided with a liquid inlet groove 33 for connecting the liquid inlet half cavity 211 and the first liquid inlet and outlet 202 and a liquid outlet groove 34 for connecting the liquid outlet half cavity 212 and the liquid outlet channel 23; the front part of the wire tail terminal 5 is provided with a core wire mounting hole 501, the edge of the core wire mounting hole 501 of the wire tail terminal 5 is provided with a tubular connecting part 52 communicated with the core wire mounting hole 501, and the rear part of the wire tail terminal 5 is provided with a fixed mounting hole 51; the both ends of power heart yearn 4 set up respectively in conductor crimping piece 3's crimping hole 31 and tail terminal 5's heart yearn mounting hole 501, the both ends of liquid cooling pipe 1 establish respectively on the tubulose connecting portion 52 of the union coupling portion 22 of contact pin terminal 2 and tail terminal 5, tail terminal 5 set up rather than communicating second business turn over liquid mouth 502 of heart yearn mounting hole 501 at its front portion, be provided with drain pipe 10 through second sealing connector 8 on second business turn over liquid mouth 502, second sealing connector 8 include: the second connecting seat 80, the upper sealing ring 81, the lower sealing ring 82 and the mounting screw 85 have the same structure as the first sealing connector 7, and will not be described again. In the present embodiment, a finger cap 28 is inserted into an end of the needle-like mating part 21 of the pin terminal 2.
In practical application, as shown in fig. 8, the liquid cooling devices may be used separately, and the first liquid inlet and outlet 202 on the two pin terminals 2 are used as liquid inlets, and of course, as shown in fig. 9 and 10, the two sets of liquid cooling devices may be used in series, that is: the tubular connecting portions 83 of the second sealing joints 8 on the two tail terminals 5 are connected by a connecting pipe 93, the first sealing joints 7 on the two pin terminals 2 are respectively connected with the first liquid inlet and outlet pipe 91 and the second liquid inlet and outlet pipe 92 (when one of the first liquid inlet and outlet pipe 91 and the second liquid inlet and outlet pipe 92 is used as a liquid inlet pipe, the other is a liquid outlet pipe, and vice versa), at this time, one of the first liquid inlet and outlet ports 202 on the two pin terminals 2 is used as a liquid inlet, and the other is used as a liquid outlet. The charging cable 102 of the charging gun 100 shown in fig. 9 and 10 includes two power supply core wires 4 and some other core wires 103 (generally, signal wires), respectively.
In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the invention, and all equivalent changes and modifications made in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.

Claims (9)

1. The utility model provides a liquid cooling device of power heart yearn with contact pin terminal, includes: the connector comprises a pin terminal, a wire tail terminal and a liquid cooling pipe for arranging a power core wire, wherein a conductor compression joint piece penetrates through the pin terminal; the pin terminal includes: the installation department that is located the middle part, be located anterior needle-like grafting portion and be located the tubular connecting portion at rear portion, its characterized in that: the mounting part of the pin terminal is provided with a mounting fixing hole communicated with the tubular connecting part and a first liquid inlet and outlet vertically communicated with the mounting fixing hole, the first liquid inlet and outlet is provided with a first sealing connector, and the needle-shaped inserting part of the pin terminal is provided with a cooling cavity communicated with the fixing mounting hole; the conductor crimping piece is inserted into the fixed mounting hole in the middle of the contact pin terminal from the tubular connecting part at the rear part of the contact pin terminal and is arranged in the fixed mounting hole in the middle of the contact pin terminal, the crimping hole is formed in the rear part of the conductor crimping piece, the flow channel spacer matched with the cooling cavity is arranged at the front end of the conductor crimping piece, the flow channel spacer at the front end of the conductor crimping piece is inserted into the cooling cavity and divides the corresponding part of the cooling cavity into a liquid inlet half cavity and a liquid outlet half cavity, a connecting flow channel is arranged between the end part of the flow channel spacer and the bottom of the cooling cavity, a liquid outlet flow channel is formed between the conductor crimping piece and the tubular connecting part of the contact pin terminal, and a liquid inlet groove for connecting the liquid inlet half cavity with the first liquid inlet and outlet port and a liquid outlet groove for connecting the liquid outlet half cavity with the liquid outlet flow channel are formed in the conductor crimping piece; the front portion of line tail terminal be provided with the heart yearn mounting hole, line tail terminal be provided with rather than communicating tubulose connecting portion of heart yearn mounting hole in the bead department of its heart yearn mounting hole, the both ends of power heart yearn set up respectively in the crimping hole of conductor crimping piece and the heart yearn mounting hole of line tail terminal, the both ends of liquid cooling pipe establish respectively on the tubulose connecting portion of contact pin terminal and line tail terminal, line tail terminal set up rather than communicating second business turn over liquid mouth of heart yearn mounting hole at its front portion, be provided with the drain pipe through second sealing connector on the second business turn over liquid mouth.
2. The liquid cooling device of claim 1, wherein: first sealing connection head and second sealing connection head's structure the same, include: the bolt body of the mounting screw is provided with a liquid flow hole inwards from the end part, and at least one liquid flow hole communicated with the liquid flow hole is formed in the bolt body of the mounting screw; the connecting seat is also provided with a tubular connecting part which is vertically communicated with the liquid flow cavity; first business turn over liquid mouth or second business turn over liquid mouth for with corresponding mounting screw matched with screw hole, after the sealing washer was established to the mounting screw cover, pass last sealed hole on the connecting seat, screw through hole, liquid flow chamber, screw through hole under and sealed hole down in proper order, overlap again and establish the lower sealing washer, screw up in first business turn over liquid mouth or second business turn over liquid mouth to fix the connecting seat on contact pin terminal or the line tail terminal.
3. The liquid cooling device of claim 2, wherein: the bolt body of the mounting bolt is provided with a liquid flow hole inwards from the end part along the central line of the bolt body.
4. The liquid cooling device of claim 2, wherein: at least two liquid flow holes communicated with the liquid flow holes are uniformly formed in the bolt body of the mounting screw along the circumferential direction.
5. The liquid cooling device of claim 1, wherein: and a gap is arranged between the flow passage spacer and the bottom of the cooling cavity to form the connecting flow passage.
6. The liquid cooling device of claim 5, wherein: and one end of the flow passage spacer, which is close to the bottom of the cooling cavity, is provided with at least one overflowing hole.
7. The liquid cooling device of claim 1, wherein: and one end of the flow channel spacer, which is close to the bottom of the cooling cavity, is provided with at least one overflowing hole to form the connecting flow channel.
8. The liquid cooling device of claim 1, wherein: and a fixed mounting hole is formed in the rear part of the wire tail terminal.
9. The liquid cooling apparatus of the power core with pin terminal as claimed in any one of claims 1 to 8, wherein: and a temperature sensor mounting groove for mounting a temperature sensor is formed in the mounting part of the pin terminal.
CN202011109823.XA 2020-10-16 2020-10-16 Liquid cooling device of power core wire with contact pin terminal Pending CN114389078A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011109823.XA CN114389078A (en) 2020-10-16 2020-10-16 Liquid cooling device of power core wire with contact pin terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011109823.XA CN114389078A (en) 2020-10-16 2020-10-16 Liquid cooling device of power core wire with contact pin terminal

Publications (1)

Publication Number Publication Date
CN114389078A true CN114389078A (en) 2022-04-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011109823.XA Pending CN114389078A (en) 2020-10-16 2020-10-16 Liquid cooling device of power core wire with contact pin terminal

Country Status (1)

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CN (1) CN114389078A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117117522A (en) * 2023-09-06 2023-11-24 四川速电科技有限公司 Liquid cooling is liquid electric separation connector for pencil that charges

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117117522A (en) * 2023-09-06 2023-11-24 四川速电科技有限公司 Liquid cooling is liquid electric separation connector for pencil that charges

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