CN114389076A - Liquid cooling wiring piece of power heart yearn - Google Patents

Liquid cooling wiring piece of power heart yearn Download PDF

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Publication number
CN114389076A
CN114389076A CN202011109165.4A CN202011109165A CN114389076A CN 114389076 A CN114389076 A CN 114389076A CN 202011109165 A CN202011109165 A CN 202011109165A CN 114389076 A CN114389076 A CN 114389076A
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CN
China
Prior art keywords
hole
liquid
screw
terminal
liquid flow
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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
CN202011109165.4A
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Chinese (zh)
Inventor
宋高军
王建东
邹志平
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Zhangjiagang Uchen New Energy Co ltd
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Zhangjiagang Uchen New Energy Co ltd
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Publication date
Application filed by Zhangjiagang Uchen New Energy Co ltd filed Critical Zhangjiagang Uchen New Energy Co ltd
Priority to CN202011109165.4A priority Critical patent/CN114389076A/en
Publication of CN114389076A publication Critical patent/CN114389076A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272—Accessories 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

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention discloses a liquid cooling wiring piece of a power core wire, which is convenient to connect and can improve the cooling effect, and the liquid cooling wiring piece comprises a wiring terminal, wherein the wiring terminal is provided with a core wire mounting hole and a second liquid inlet and outlet communicated with the core wire mounting hole, the second liquid inlet and outlet is provided with a second sealing connector, and the second sealing connector comprises: the bolt body of the mounting screw is internally provided with a liquid flow hole and a liquid flow through hole communicated with the liquid flow hole; the connecting seat is provided with a tubular connecting part; after the upper sealing ring is sleeved with the mounting screw, the mounting screw sequentially penetrates through an upper sealing hole in the connecting seat, a through hole in the screw, a liquid flow cavity, a through hole under the screw and a lower sealing ring in the lower sealing hole and is screwed in the second liquid inlet and outlet. The liquid cooling wiring piece is mainly used for being installed in a charging cable for charging an electric vehicle.

Description

Liquid cooling wiring piece of power heart yearn
Technical Field
The invention relates to a power cable, in particular to a liquid cooling wiring piece of a power core wire in the 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 wiring piece that adopts among the traditional cable that charges is when connecting the liquid cooling pipeline, all usually from a power heart yearn in advance, goes out in another power heart yearn for the liquid cooling pipeline is very inconvenient with being connected of liquid cooling wiring piece, moreover, the cooling effect is also not ideal.
Disclosure of Invention
The invention aims to solve the technical problems that: a liquid-cooled connector for a power core wire, which is easy to connect and can improve the cooling effect, is provided.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a liquid cooled junction piece for a power core comprising: the front part of the wiring terminal is provided with a core wire mounting hole, the edge of the core wire mounting hole of the wiring terminal is provided with a tubular connecting part communicated with the core wire mounting hole of the wiring terminal, and the corresponding end of the power supply core wire passes through the tubular connecting part of the plug terminal and is inserted into the core wire mounting hole of the plug terminal; binding post sets up rather than the communicating second business turn over liquid mouth of heart yearn mounting hole at its front portion, is provided with second sealing connector on this second business turn over liquid mouth, and this second sealing connector's concrete structure 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; the second liquid inlet and outlet is a threaded hole matched with a corresponding mounting screw, after the mounting screw is sleeved with the upper sealing ring, the upper sealing hole, the screw upper through hole, the liquid flow cavity, the screw lower through hole and the lower sealing hole on the connecting seat are sequentially penetrated, then the lower sealing ring is sleeved and screwed in the second liquid inlet and outlet, and therefore the connecting seat is fixed on the wiring terminal.
Preferably, in the liquid-cooled terminal of a power core, the bolt of the mounting screw has a flow hole formed therein from an end portion thereof along the center line.
As a preferable scheme, in the liquid-cooled wiring piece of the power core wire, 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.
As a preferable scheme, in the liquid-cooled wiring piece of the power core wire, a fixed mounting hole is formed at the rear part of the tail terminal.
The invention has the beneficial effects that: the liquid cooling wiring piece can be directly connected with the second liquid inlet and outlet pipe of the liquid cooling pipeline through the tubular connecting part on the connecting seat, so that the connection is very convenient, each power core wire is independently provided with the liquid cooling pipeline to cool the power core wire, the cooling effect is greatly improved, the heat dissipation effect of the power core wires is greatly improved, the wire diameter of the power core wires can be greatly reduced under the condition that the same current flows, the weight of a charging cable and a charging gun is greatly reduced, the cost is saved, and the labor intensity of operators is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a liquid cooling apparatus employing a power core wire of the liquid cooling junction piece of the present invention.
FIG. 2 is a schematic view showing an exploded structure of a liquid cooling apparatus using a power core wire of the liquid cooling wiring member of the present invention.
Fig. 3 is a perspective view of a charging gun and a charging cable thereof.
Fig. 4 is a perspective view of the charging gun and its charging cable from another perspective.
The reference numerals in fig. 1 to 4 are respectively: 1. liquid cooling tube, 2, plug terminal, 201, core wire mounting hole, 21, tubular connecting part, 211, first liquid inlet and outlet, 22, temperature sensor mounting hole, 3, terminal connector, 4, power core wire, 5, wire tail terminal, 501, core wire mounting hole 51, tubular connecting part, 511, second liquid inlet and outlet, 52, fixed mounting hole, 6, positioning pin, 7, first connecting seat, 701, upper sealing hole, 703, screw upper via hole, 705, liquid flow cavity, 71, upper sealing ring, 72, lower sealing ring, 73, tubular connecting part, 75, mounting screw, 751, liquid flow via hole, 8, second connecting seat, 801, upper sealing hole, 803, screw upper via hole, 805, liquid flow cavity, 81, upper sealing ring, 82, lower sealing ring, 83, tubular connecting part, 85, mounting screw, 851, liquid flow via hole, 9, first liquid inlet and outlet tube, 10, second liquid inlet and outlet tube, 100. charging gun, 101, charging gun housing, 102, charging cable, 103, other core wires.
Detailed Description
The following describes in detail a detailed embodiment of a liquid-cooled terminal for a power core according to the present invention with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the liquid cooling apparatus for a power core according to the present invention includes: liquid cooling wiring spare and be used for settling the liquid cooling pipe 1 of power heart yearn 4, the concrete structure of liquid cooling wiring spare includes: the plug terminal 2, the rear portion of plug terminal 2 is provided with heart yearn mounting hole 201, plug terminal 2 is provided with rather than communicating tubulose connecting portion 21 of heart yearn mounting hole 201 at the bead department of its heart yearn mounting hole 201, and the one end of power core wire 4 passes the tubulose connecting portion 21 of plug terminal 2 through terminal connection 3 and inserts in the heart yearn mounting hole 201 of plug terminal 2, and its concrete mounting means is: one end (right end in the figure) of the terminal connecting piece 3 is connected with one end of the power core wire 4, the other end (left end in the figure 1) of the terminal connecting piece 3 and the plug terminal 2 (opposite to the core wire mounting hole 201) are respectively provided with corresponding positioning holes, positioning pins 6 for preventing the terminal connecting piece 3 and the plug terminal 2 from loosening are inserted in the positioning holes, and the terminal connecting piece 3 is fixed in the core wire mounting hole 201 of the plug terminal 2; plug terminal 2 set up rather than the communicating first business turn over liquid mouth 211 of heart yearn mounting hole 201 at its rear portion, be provided with first sealing connector on first business turn over liquid mouth 211, this first sealing connector's concrete structure includes: the mounting screw 75, the first connecting seat 7, 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, so that a step for placing the upper sealing ring 71 is formed, the diameter of the lower sealing hole is larger than that of the lower screw through hole, so that a step for abutting against the lower sealing ring 72 is formed, 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 corresponding part of 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 7; the first liquid inlet/outlet 211 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, an upper screw through hole 703, a liquid flow cavity 705, a lower screw through hole and a lower sealing hole in the first connecting seat 7 in sequence, and is sleeved with a lower sealing ring 72 and screwed in the first liquid inlet/outlet 211 of the plug terminal 2, so that the first connecting seat 7 is fixed on the plug terminal 2; a first liquid inlet and outlet pipe 9 is sleeved on the tubular connecting part 73 of the first sealing connector; the liquid-cooled wiring piece includes: tail terminal 5, tail terminal 5's front portion is provided with heart yearn mounting hole 501, tail terminal 5 be provided with rather than the communicating tubulose connecting portion 51 of heart yearn mounting hole 501 in the bead department of its heart yearn mounting hole 501, power core wire 4's the other end passes tail terminal 5's tubulose connecting portion 51 and inserts and establish tail terminal 5's heart yearn mounting hole 501, tail terminal 5 offer rather than the communicating second business turn over liquid mouth 511 of heart yearn mounting hole 501 in its front portion, be provided with the second sealing connector on this second business turn over liquid mouth 511, this second sealing connector's concrete structure includes: the mounting screw 85, the second connecting seat 8, the upper sealing ring 81 and the lower sealing ring 82 are sequentially provided with an upper sealing hole 801, an upper screw through hole 803, a flow cavity 805, a lower screw through hole and a lower sealing hole from top to bottom along an axis, the diameter of the upper sealing hole 801 is equal to that of the lower sealing hole, the diameter of the upper screw through hole 803 is equal to that of the lower screw through hole, the diameter of the upper sealing hole 801 is larger than that of the upper screw through hole 803, so that a step for placing the upper sealing ring 81 is formed, the diameter of the lower sealing hole is larger than that of the lower screw through hole, so that a step for abutting against the lower sealing ring 82 is formed, and the flow cavity 805 is larger than the corresponding part of the mounting screw 85, so that a gap is reserved between the mounting screw 85 and the flow cavity 805; the mounting screw 85 is a hollow structure, that is: the bolt body is provided with a liquid flow hole inwards from the end part; the bolt body of the mounting screw 85 is circumferentially provided with four liquid flowing holes 851 communicated with the liquid flowing holes, and the second connecting seat 8 is also provided with a tubular connecting part 83 vertically communicated with the liquid flowing cavity 805; the second liquid inlet and outlet 511 is a threaded hole matched with the mounting screw 85, after the mounting screw 85 is sleeved with the upper sealing ring 81, the mounting screw sequentially passes through the upper sealing hole 801, the screw upper through hole 803, the liquid flow cavity 805, the screw lower through hole and the lower sealing hole of the second connecting seat 8, and is further sleeved with the lower sealing ring 82 and screwed in the second liquid inlet and outlet 511 of the terminal 5, so that the second connecting seat 8 is fixed on the connecting terminal 5; the tubular connecting part 83 of the second sealing connector is sleeved with a second liquid inlet and outlet pipe 10. In this embodiment, the power core wire 4 is disposed in the liquid cooling tube 1, and two ends of the liquid cooling tube 1 are respectively sleeved on the tubular connecting portion 21 of the plug terminal 2 and the tubular connecting portion 51 of the tail terminal 5; the plug terminal 2 is also provided with a temperature sensor mounting hole 22 for mounting a temperature sensor; the rear part of the wire tail terminal 5 is provided with a fixed mounting hole 52.
In practice, the charging cable 102 in the charging gun 100 as shown in fig. 3 and 4 includes two power supply core wires 4 and some other core wires 103 (typically signal wires); the first sealing connector 7 on the plug terminal 2 is arranged in the charging gun shell 101, and the first liquid inlet and outlet pipe 9 is arranged in the charging cable 102 in a penetrating manner.
In practical use, when the first liquid inlet/outlet 211 is used as a liquid inlet, the first liquid inlet/outlet pipe 9 is a liquid inlet pipe, the second liquid inlet/outlet 511 is a liquid outlet, and the second liquid inlet/outlet pipe 10 is a liquid outlet pipe, or vice versa.
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 (4)

1. A liquid cooled junction piece for a power core comprising: the front part of the wiring terminal is provided with a core wire mounting hole, the edge of the core wire mounting hole of the wiring terminal is provided with a tubular connecting part communicated with the core wire mounting hole of the wiring terminal, and the corresponding end of the power supply core wire passes through the tubular connecting part of the plug terminal and is inserted into the core wire mounting hole of the plug terminal; the method is characterized in that: binding post sets up rather than the communicating second business turn over liquid mouth of heart yearn mounting hole at its front portion, is provided with second sealing connector on this second business turn over liquid mouth, and this second sealing connector's concrete structure 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; the second liquid inlet and outlet is a threaded hole matched with a corresponding mounting screw, after the mounting screw is sleeved with the upper sealing ring, the upper sealing hole, the screw upper through hole, the liquid flow cavity, the screw lower through hole and the lower sealing hole on the connecting seat are sequentially penetrated, then the lower sealing ring is sleeved and screwed in the second liquid inlet and outlet, and therefore the connecting seat is fixed on the wiring terminal.
2. A liquid-cooled terminal for a power cord according to claim 1, wherein: the bolt body of the mounting screw is provided with a liquid flow hole inwards from the end part along the central line.
3. A liquid-cooled terminal for a power cord according to claim 1, 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.
4. A liquid-cooled terminal for a power cord according to claim 1, 2 or 3, wherein: and a fixed mounting hole is formed in the rear part of the wire tail terminal.
CN202011109165.4A 2020-10-16 2020-10-16 Liquid cooling wiring piece of power heart yearn Pending CN114389076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011109165.4A CN114389076A (en) 2020-10-16 2020-10-16 Liquid cooling wiring piece of power heart yearn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011109165.4A CN114389076A (en) 2020-10-16 2020-10-16 Liquid cooling wiring piece of power heart yearn

Publications (1)

Publication Number Publication Date
CN114389076A true CN114389076A (en) 2022-04-22

Family

ID=81194308

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011109165.4A Pending CN114389076A (en) 2020-10-16 2020-10-16 Liquid cooling wiring piece of power heart yearn

Country Status (1)

Country Link
CN (1) CN114389076A (en)

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