CN114389116A - Liquid cooling device for power core wire - Google Patents
Liquid cooling device for power core wire Download PDFInfo
- Publication number
- CN114389116A CN114389116A CN202011108995.5A CN202011108995A CN114389116A CN 114389116 A CN114389116 A CN 114389116A CN 202011108995 A CN202011108995 A CN 202011108995A CN 114389116 A CN114389116 A CN 114389116A
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- terminal
- core wire
- mounting hole
- liquid
- plug
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- 239000007788 liquid Substances 0.000 title claims abstract description 114
- 238000001816 cooling Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 230000007306 turnover Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 239000011324 bead Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
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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
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- 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
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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 device of a power core wire, which can greatly improve the heat dissipation effect of the power core wire, and comprises: plug-in terminal, line tail terminal and liquid cooling pipe are provided with heart yearn mounting hole on plug-in terminal and the line tail terminal respectively, are provided with tubular connecting portion on plug-in terminal and the line tail terminal respectively, the both ends of power heart yearn set up respectively in the heart yearn mounting hole of plug-in terminal and line tail terminal, the both ends of liquid cooling pipe overlap respectively and establish on the tubular connecting portion of plug-in terminal and line tail terminal head, seted up on the plug-in terminal with the communicating first business turn over liquid mouth of heart yearn mounting hole, be provided with first liquid inlet and outlet pipe through first sealing connector on the first business turn over liquid mouth, set up on the line tail terminal with the communicating second business turn over liquid mouth of heart yearn mounting hole, be provided with the second liquid inlet and outlet pipe through second sealing connector on the second business turn over liquid mouth. The liquid cooling device is mainly used for being installed on a charging cable for charging an electric vehicle.
Description
Technical Field
The invention relates to a power cable, in particular to a liquid cooling device for 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. Along with the development of electric automobile battery technology in recent years, the multiplying power that charges constantly promotes, constantly promotes charging current requirement, can lead to the temperature rise in the connecting device that charges too high after the electric current increases, may cause even to burn out the vehicle or injure people serious accident. 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.
Disclosure of Invention
The invention aims to solve the technical problems that: a liquid cooling device for a power core wire is provided, which can greatly reduce and improve the heat dissipation effect of the power core wire.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a liquid cooling apparatus for a power core, comprising: the plug terminal, the tail terminal and the liquid cooling pipe for placing the power core wire, the rear part of the plug terminal and the front part of the tail terminal are respectively provided with a core wire mounting hole, the edge mouth of the core wire mounting hole of the plug terminal is provided with a tubular connecting part communicated with the core wire mounting hole, the edge mouth of the core wire mounting hole of the tail terminal is provided with a tubular connecting part communicated with the core wire mounting hole of the tail terminal, one end of the power core wire penetrates through the tubular connecting part of the plug terminal and is inserted in the core wire mounting hole of the plug terminal, the other end of the power core wire penetrates through the tubular connecting part of the tail terminal and is inserted in the core wire mounting hole of the tail terminal, two ends of the liquid cooling pipe are respectively sleeved on the tubular connecting part of the plug terminal and the tubular connecting part of the tail terminal, the rear part of the plug terminal is provided with a first liquid inlet and outlet port communicated with the core wire mounting hole, and a first liquid inlet and outlet pipe is arranged on the first liquid inlet and outlet port through a first sealing connector, and the front part of the wire tail terminal is provided with a second liquid inlet and outlet which is communicated with the core wire mounting hole, and a second liquid inlet and outlet pipe is arranged on the second liquid inlet and outlet through a second sealing connector.
As a preferred scheme, in the liquid cooling device for power core wires, the first sealing connector is the same as the second sealing connector in structure, and the structure thereof 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 first liquid inlet and outlet and the second liquid inlet and outlet are threaded holes matched with corresponding mounting screws, after the mounting screws are sleeved with the upper sealing rings, the mounting screws sequentially penetrate through the upper sealing holes, the screw upper through holes, the liquid flow cavity, the screw lower through holes and the lower sealing holes on the connecting seat, and are sleeved with the lower sealing rings and screwed in the first liquid inlet and outlet or the second liquid inlet and outlet, so that the connecting seat is fixed on the plug-in terminal or the line tail terminal; the first liquid inlet and outlet pipe is sleeved on the tubular connecting part of the first sealing connector, and the second liquid inlet and outlet pipe is sleeved on the tubular connecting part of the second sealing connector.
Preferably, in the liquid cooling device for a power supply core wire, the corresponding end of the power supply core wire is disposed in the core wire mounting hole of the plug terminal through the terminal connecting member.
As a preferable scheme, in the liquid cooling device for a power core wire, the terminal connecting piece and the plug terminal are respectively provided with corresponding positioning holes, and positioning pins for preventing the terminal connecting piece and the plug terminal from loosening are inserted into the positioning holes.
Preferably, in the liquid cooling device for a power core wire, the plug terminal is further provided with a temperature sensor mounting hole for mounting a temperature sensor.
Preferably, in the liquid cooling device for a power core wire, a fixed mounting hole is formed at a rear portion of the tail terminal.
The invention has the beneficial effects that: according to the invention, the liquid cooling device is arranged to cool the power core wire, so that the heat dissipation effect is greatly improved, and the wire diameter of the power core wire can be greatly reduced under the condition of flowing the same current, so that the weight of the charging cable and the charging gun is greatly reduced, the cost is saved, and the labor intensity of operators is reduced.
Drawings
Fig. 1 is a schematic sectional view of a liquid cooling apparatus for a power core according to the present invention.
Fig. 2 is an exploded view of the liquid cooling device for power core according to 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 cooling apparatus 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: plug terminal 2, tail terminal 5 and be used for settling power core wire 4 liquid cooling pipe 1, plug terminal 2's rear portion is provided with heart yearn mounting hole 201, plug terminal 2 is provided with rather than the communicating tubular connecting portion 21 of heart yearn mounting hole 201 in the bead department of its heart yearn mounting hole 201, tail terminal 5's front portion be provided with heart yearn mounting hole 501, tail terminal 5 is provided with rather than the communicating tubular 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 one end is passed plug terminal 2's tubular connecting portion 21 through terminal connection 3 and is planted in plug terminal 2's heart yearn mounting hole 201, its concrete mounting means does: one end (right end in the figure) of the terminal connecting piece 3 is connected with the power core wire 4 and one end, 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; the other end of power heart yearn 4 passes tubular connecting portion 51 of end terminal 5 and inserts and establish in end terminal 5's heart yearn mounting hole 501, the both ends of liquid cooling pipe 1 establish respectively on tubular connecting portion 21 of plug terminal 2 and end terminal 5's tubular connecting portion 51, 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 liquid inlet and outlet pipe 9 through first sealing connector on first business turn over liquid mouth 211, 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 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 702, 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; the first liquid inlet and outlet pipe 9 is sleeved on the tubular connecting part 73 of the first sealing connector; terminal 5 at its front portion offer rather than communicating second business turn over liquid mouth 511 of heart yearn mounting hole 501, be provided with second business turn over drain pipe 10 through second sealing connector on this second business turn over liquid mouth 511, 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 802, 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 plug-in terminal 5; the second liquid inlet and outlet pipe 10 is sleeved on the tubular connecting part 83 of the second sealing connector. In this embodiment, the plug terminal 2 is further 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 of the charging gun 100 as shown in fig. 3 and 4 typically includes two power supply cores 4 and some other cores 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 (7)
1. A liquid cooling apparatus for a power core, comprising: plug terminal and be used for settling the liquid-cooled pipe of power heart yearn, its characterized in that: the liquid cooling device of the power core wire further comprises: the rear part of the plug terminal and the front part of the tail terminal are respectively provided with a core wire mounting hole, the edge of the core wire mounting hole of the plug terminal is provided with a tubular connecting part communicated with the core wire mounting hole, the edge of the core wire mounting hole of the tail terminal is provided with a tubular connecting part communicated with the core wire mounting hole of the tail terminal, one end of a power supply core wire penetrates through the tubular connecting part of the plug terminal and is inserted in the core wire mounting hole of the plug terminal, the other end of the power supply core wire penetrates through the tubular connecting part of the tail terminal and is inserted in the core wire mounting hole of the tail terminal, two ends of the liquid cooling pipe are respectively sleeved on the tubular connecting part of the plug terminal and the tubular connecting part of the tail terminal, the rear part of the plug terminal is provided with a first liquid inlet and outlet port communicated with the core wire mounting hole of the plug terminal, and a first liquid inlet and outlet pipe is arranged on the first liquid inlet and outlet port through a first sealing connector, and the front part of the wire tail terminal is provided with a second liquid inlet and outlet which is communicated with the core wire mounting hole, and a second liquid inlet and outlet pipe is arranged on the second liquid inlet and outlet through a second sealing connector.
2. The liquid cooling device for a power core wire of claim 1, wherein: first sealing connection head is the same with second sealing connection head's structure, and its 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 first liquid inlet and outlet and the second liquid inlet and outlet are threaded holes matched with corresponding mounting screws, after the mounting screws are sleeved with the upper sealing rings, the mounting screws sequentially penetrate through upper sealing holes, screw upper through holes, liquid flow cavities, screw lower through holes and lower sealing holes on the connecting seat, and are sleeved with the lower sealing rings and screwed in the first liquid inlet and outlet or the second liquid inlet and outlet, so that the connecting seat is fixed on the plug-in terminal or the line tail terminal; the first liquid inlet and outlet pipe is sleeved on the tubular connecting part of the first sealing connector, and the second liquid inlet and outlet pipe is sleeved on the tubular connecting part of the second sealing connector.
3. The liquid cooling device for a power core wire of claim 1, wherein: the corresponding end of the power core wire is arranged in the core wire mounting hole of the plug terminal through the terminal connecting piece.
4. A liquid cooling apparatus for a power core according to claim 3, wherein: the terminal connecting piece and the plug terminal are respectively provided with corresponding positioning holes, and positioning pins for preventing the terminal connecting piece and the plug terminal from loosening are inserted in the positioning holes.
5. A liquid cooling apparatus for a power core according to any one of claims 1 to 4, wherein: the plug-in terminal is also provided with a temperature sensor mounting hole for mounting a temperature sensor.
6. A liquid cooling apparatus for a power core according to any one of claims 1 to 4, wherein: and a fixed mounting hole is formed in the rear part of the wire tail terminal.
7. The liquid cooling device for a power core wire of claim 5, wherein: and a fixed mounting hole is formed in the rear part of the wire tail terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108995.5A CN114389116A (en) | 2020-10-16 | 2020-10-16 | Liquid cooling device for power core wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108995.5A CN114389116A (en) | 2020-10-16 | 2020-10-16 | Liquid cooling device for power core wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114389116A true CN114389116A (en) | 2022-04-22 |
Family
ID=81194235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011108995.5A Pending CN114389116A (en) | 2020-10-16 | 2020-10-16 | Liquid cooling device for power core wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114389116A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049226A1 (en) * | 2000-05-31 | 2001-12-06 | Yazaki Corporation | Fitting structure of waterproof plug |
| CN108199162A (en) * | 2017-12-22 | 2018-06-22 | 深圳市沃尔新能源电气科技股份有限公司 | The cold charging socket of liquid |
| CN109148032A (en) * | 2018-09-11 | 2019-01-04 | 张家港友诚新能源科技股份有限公司 | A kind of cooling system of high power DC charge connector |
| CN212991534U (en) * | 2020-10-16 | 2021-04-16 | 张家港友诚新能源科技股份有限公司 | Liquid cooling device for power core wire |
-
2020
- 2020-10-16 CN CN202011108995.5A patent/CN114389116A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049226A1 (en) * | 2000-05-31 | 2001-12-06 | Yazaki Corporation | Fitting structure of waterproof plug |
| CN108199162A (en) * | 2017-12-22 | 2018-06-22 | 深圳市沃尔新能源电气科技股份有限公司 | The cold charging socket of liquid |
| CN109148032A (en) * | 2018-09-11 | 2019-01-04 | 张家港友诚新能源科技股份有限公司 | A kind of cooling system of high power DC charge connector |
| CN212991534U (en) * | 2020-10-16 | 2021-04-16 | 张家港友诚新能源科技股份有限公司 | Liquid cooling device for power core wire |
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