CN113571955A - Liquid cooling connector - Google Patents
Liquid cooling connector Download PDFInfo
- Publication number
- CN113571955A CN113571955A CN202110839502.3A CN202110839502A CN113571955A CN 113571955 A CN113571955 A CN 113571955A CN 202110839502 A CN202110839502 A CN 202110839502A CN 113571955 A CN113571955 A CN 113571955A
- Authority
- CN
- China
- Prior art keywords
- liquid
- flow channel
- cooling
- connector
- positioning piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 239000007788 liquid Substances 0.000 title claims abstract description 34
- 239000002826 coolant Substances 0.000 claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000004806 packaging method and process Methods 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a liquid cooling connector which comprises a flow passage positioning piece, a shell coaxially sleeved outside the flow passage positioning piece and a sealing ring for sealing the flow passage positioning piece and the shell, wherein the flow passage positioning piece is provided with a cooling cavity and a heat dissipation flow passage, and the cooling cavity is communicated with the heat dissipation flow passage and is externally connected with a liquid guide terminal. The external cooling medium of this application can realize the circulative cooling of connector, improves the not good condition of traditional connector heat dispersion, has promoted the cooling effect of connector.
Description
Technical Field
The invention relates to the technical field of connector cooling, in particular to a liquid-cooled connector.
Background
With the rapid development of new energy technologies, traffic equipment such as automobiles and bicycles are all moving towards electrified development roads.
As a new energy vehicle, the low charging rate is one of the aspects that people think that the difference is different from the traditional fuel vehicle, the charging power is improved to be one of the direct factors influencing the charging rate, the high-power charging means large current or high voltage, higher charging temperature is brought by Joule law, the metal resistivity is related to the temperature, and the resistance is higher when the temperature is higher. This has negative effects not only on the charging gun, but also on other high current, high voltage connectors:
1. the work is that the higher the temperature rise is, the larger the resistance of the conductive metal is, the further the temperature rise is improved, and vicious circle is realized;
2. when the temperature is high during working, the elasticity of the mutual contact elastic sheets of the male connector and the female connector is reduced, and the contact resistance is improved due to the reduced terminal contact force, so that the problem is further improved, and the current transmission is influenced;
3. the metal working at high temperature for a long time can reduce the original structural design performance, the service life requirement can not be met, and the system functionality is reduced.
Based on the above problems, currently, most of the commonly used cooling methods in the market adopt a low-resistivity metal material and use a terminal with a larger cross section. Although the device has a certain effect, the temperature rise cannot be controlled to a greater extent, and the heat accumulation phenomenon is still serious.
Disclosure of Invention
The invention provides a liquid cooling connector, which solves the technical problem that the traditional connector is poor in cooling effect.
The invention provides a liquid cooling connector which comprises a flow passage positioning piece, a shell coaxially sleeved outside the flow passage positioning piece and a sealing ring for sealing the flow passage positioning piece and the shell, wherein the flow passage positioning piece is provided with a cooling cavity and a heat dissipation flow passage, and the cooling cavity is externally connected with a liquid guide terminal.
Preferably, the runner setting element includes the body, encapsulate in the encapsulation dish of body top surface and bottom surface with set up in the heat dissipation runner of body periphery, the body is equipped with interior entry and interior export, the encapsulation chassis is equipped with lead the liquid terminal, the cooling chamber be equipped with communicate in lead the interior runner of liquid terminal and interior runner of effluenting, the body with encapsulate the top dish and the encapsulation chassis is sealed to be formed the cooling chamber.
Preferably, the heat dissipation flow channel is formed by vertically and alternately distributing a plurality of flow channels in columns.
Preferably, the flow passages are distributed on the outer peripheral surface of the body at equal intervals in columns.
Preferably, the heat dissipation flow channel is of a serpentine structure.
Preferably, the flow passage partition is welded with the body or is of an integrally formed structure.
Preferably, the liquid guiding terminal comprises a cooling medium inlet pipeline and a cooling medium outlet pipeline, and the cooling medium inlet pipeline and the cooling medium outlet pipeline are both installed on the flow channel positioning piece and communicated with the cooling chamber.
Preferably, the flow channel positioning member is coaxially arranged with the housing.
Preferably, the flow channel positioning piece is in interference fit or transition fit with the shell.
Preferably, the device further comprises a second-stage positioning part coaxially arranged on the end face of the inner side of the flow channel positioning part, an outer nut sleeve and a sleeve which are sleeved outside the shell and are used for being matched with an external connector, a top cover assembled on the end part of the outer nut sleeve, a nut snap spring used for preventing the outer nut sleeve from moving, a second-stage positioning part snap spring used for being matched with the shell for limiting, a clamping jaw in threaded connection with the sleeve, and an inner nut sleeve used for wrapping a wire.
The liquid cooling connector provided by the invention is provided with the flow passage positioning piece, the shell sleeved outside the flow passage positioning piece and the sealing ring arranged between the flow passage positioning piece and the shell, the flow passage positioning piece is internally provided with the cooling cavity and the heat dissipation flow passage, the cooling medium is externally connected through the inlet pipeline and the outlet pipeline, the circulating cooling of the connector can be realized, and the cooling effect of the connector is obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a liquid-cooled connector provided by the present invention;
FIG. 2 is a partial schematic view of a liquid-cooled connector according to the present invention;
FIG. 3 is an exploded view of a liquid cooled connector according to the present invention;
FIG. 4 is a schematic diagram of a liquid-cooled connector according to the present invention;
FIG. 5 is a schematic view of another embodiment of a liquid-cooled connector according to the present invention.
The device comprises a flow channel positioning piece 1, a shell 2, a sealing ring 3, a heat dissipation flow channel 4, a cooling medium inlet pipeline 5, a cooling medium outlet pipeline 6, a secondary positioning piece 7, an outer nut sleeve 8, a sleeve 9, a top cover 10, an inner nut sleeve 11, a nut clamp spring 12, a claw 13, a secondary positioning piece clamp spring 14 and a conductive terminal 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, fig. 1 is a cross-sectional view of a liquid-cooled connector according to the present invention;
FIG. 2 is a partial schematic view of a liquid-cooled connector according to the present invention; FIG. 3 is an exploded view of a liquid cooled connector according to the present invention; FIG. 4 is a schematic diagram of a liquid-cooled connector according to the present invention; FIG. 5 is a schematic view of another embodiment of a liquid-cooled connector according to the present invention.
The invention provides a liquid cooling connector which comprises a flow passage positioning piece 1, a shell 2, a sealing ring 3 and a liquid guiding terminal.
The flow channel positioning piece 1 and the shell 2 are coaxially arranged, the shell 2 is sleeved outside the flow channel positioning piece 1, the shell 2 is used for protecting the outside of the connector, and the inner surface of the shell is tightly attached to the outer surface of the flow channel positioning piece 1, so that a cooling medium flow channel is closed, and liquid is prevented from flowing from a path. The flow channel positioning piece 1 and other parts enter the shell 2 for installation; the sealing ring 3 can prevent liquid from entering as a waterproof part when the male and female connectors are matched, and the sealing ring 3 can also be used for sealing when the runner positioning piece 1 is matched with the shell 2, so that the leakage of a cooling medium is prevented.
A liquid guide terminal hole site is reserved in the flow channel positioning piece 1, and slotted holes are formed in the flow channel positioning piece and on the radial outer surface of the flow channel positioning piece to be used as heat dissipation flow channels 4.
In addition, the inside cooling chamber that is equipped with of runner setting element 1 in this application for hold the coolant liquid, the cooling chamber communicates in heat dissipation runner 4, the drain terminal includes cooling medium inlet pipe 5 and cooling medium outlet pipe 6, cooling medium inlet pipe 5 and cooling medium outlet pipe 6 are all installed on runner setting element 1, cooling medium inlet pipe 5 and cooling medium outlet pipe 6 communicate in the cooling chamber, supply liquid to the cooling chamber in through cooling medium inlet pipe 5, discharge the coolant liquid from runner setting element 1 through cooling medium outlet pipe 6, flow in heat dissipation runner 4, realize the circulative cooling to runner setting element 1.
The cooling principle of this application does: outside low cooling medium gets into the cooling chamber, when absorbing the heat of runner setting element 1, with metal casing 2 direct contact, gives metal casing 2 with some heat transfer, in the environment is diffused to through shell 2, and remaining heat is directly taken away by the coolant liquid, flows from the coolant outlet, realizes the cooling effect.
The flow channel positioning piece 1 and the shell 2 are preferably arranged coaxially, and are in interference fit or transition fit, so that the installation firmness and the sealing performance are ensured.
In one embodiment, the flow channel positioning member 1 includes a body, a packaging disc and a heat dissipation flow channel 4, the packaging disc is packaged on the top surface and the bottom surface of the body, the heat dissipation flow channel 4 is arranged on the outer peripheral surface of the body, the body is provided with an inner inlet and an inner outlet, the packaging chassis is provided with a liquid guiding terminal, the cooling cavity is provided with an inner inlet flow channel and an inner outlet flow channel which are correspondingly communicated with the liquid guiding terminal, the packaging disc includes a packaging top disc and a packaging chassis, and the body, the packaging top disc and the packaging chassis are sealed to form the cooling cavity.
Specifically, the heat dissipation flow channel 4 is formed by a plurality of flow channels which are distributed in a staggered manner from top to bottom in a column-dividing manner, as shown in fig. 2, the inner flow channel is close to the insertion contact plane of the cooling medium inlet pipeline 5 and the cooling medium outlet pipeline 6, the heat inside the flow channel positioning part 1 is guided out to the outer flow channel formed by the flow channels which are distributed in a staggered manner from top to bottom, the cooling medium inside the outer heat dissipation flow channel 4 is directly contacted with the metal shell 2 while absorbing the heat of the flow channel positioning part 1, part of the heat is transferred to the shell 2 and is diffused to the environment, and the rest of the heat is directly taken away by the cooling liquid and flows out from the cooling medium outlet.
The cooling medium flow path is: the cooling medium inlet pipeline 5 enters the inside of the flow channel positioning piece 1, passes through the internal flow channel, reaches the external heat dissipation flow channel 4 from the internal outlet, and is used for increasing the flow path in a partition manner, finally enters the internal inlet, and is led out from the cooling medium outlet pipeline 6 through the internal flow channel. The flow passage barrier structure is adopted to separate the inner inlet from the inner outlet, so that the cooling medium is prevented from directly entering the outlet from the inlet and flowing along a preset path.
Preferably, the flow passages are distributed on the outer peripheral surface of the body at equal intervals in columns. In order to ensure the cooling effect, the heat dissipation flow channel 4 is distributed on the periphery of the body in a serpentine structure.
In order to ensure the connection strength, the flow channel is connected with the body in a welding way or is of an integrally formed structure.
The application has the following technical advantages:
1. a cooling structure is arranged in the device, so that heat generated during working can be led out, and temperature rise is inhibited;
2. liquid cooling heat dissipation is adopted, the cooling effect is remarkably better than air cooling heat dissipation and natural cooling, and compared with the traditional electric connector, the cooling effect is better;
3. the flow channel is designed, fluid flows along the internal flow channel and the heat dissipation flow channel 4, the flow path is fixed, the fluid can be fully contacted with the inside of the connector and then takes away heat, the flow channel is reasonably arranged, and the optimal heat dissipation effect is achieved;
4. the scheme is improved on the existing part, a space for accommodating the cooling medium is generated, the cooling medium can be popularized to the existing connectors of various types, or the cooling medium can be directly improved on the invention, the PIN connector can be applied regardless of the number, size and shape of PIN, and the application range is wide.
On the basis of the above embodiments, further, the liquid cooling connector provided by the present application is further provided with a secondary positioning piece 7, an outer nut sleeve 8, a sleeve 9, a top cover 10, an inner nut sleeve 11, a nut snap spring 12, a claw 13 and a secondary positioning piece snap spring 14.
The second-stage positioning piece 7 is arranged coaxially with the flow channel positioning piece 1, the second-stage positioning piece 7 is closely arranged on the end face of the inner side of the flow channel positioning piece 1, and the shell 2 is sleeved outside the flow channel positioning piece 1 and the second-stage positioning piece 7. The outer nut sleeve 8 and the sleeve 9 are coaxially sleeved outside the shell 2, the outer nut sleeve 8 is used for being matched with an external connector, and the matched end of the outer nut sleeve 8 and the external connector is provided with threads which are connected with each other in a threaded mode. The top cover 10 is mounted on the end of the outer nut sleeve 8 and the housing 2 for fixing and limiting the internal structure, positioning elements and other components entering from the housing 2.
Conductive terminal hole sites are reserved in the flow channel positioning piece 1, slotted holes are formed in the flow channel positioning piece and on the radial outer surface of the flow channel positioning piece to serve as cooling medium flow channels and are used for installing a cooling medium inlet pipeline 5 and a cooling medium outlet pipeline 6; the nut clamp spring 12 cooperates with the housing 2 to prevent axial movement of the nut sleeve within the housing 1.
In addition, the second-level positioning part snap spring 14 is matched with the shell 2 for limiting so as to prevent internal parts from moving to the tail part of the shell 2, the claw 13 and the inner nut sleeve 11 wrap the wire to prevent the wire from moving axially, and the stress between the conductive terminal 15 in interference fit and the wire on the flow channel positioning part 1 and the stress at the joint of the conductive terminal 15 of the liquid cooling water pipe are reduced. The tail end of the connector is wrapped with the wire and the liquid cooling water pipe. The seal ring 3 is used for sealing between the housing 2 and the sleeve 9, and prevents leakage of the cooling medium.
It should be noted that the flow channel positioning piece 1, the housing 2, the secondary positioning piece 7, the outer nut sleeve 8, the sleeve 9, the top cover 10, the sealing ring 11, the nut snap spring 12 and the claw 13 are all in the prior art, and are not expanded herein.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The liquid-cooled connector provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A liquid cooling connector is characterized by comprising a flow channel positioning piece (1), a shell (2) coaxially sleeved outside the flow channel positioning piece (1) and a sealing ring (3) used for sealing the flow channel positioning piece (1) and the shell (2); the runner locating piece (1) is provided with a cooling cavity and a heat dissipation runner (4) which are communicated, and the cooling cavity is externally connected with a liquid guide terminal.
2. The liquid-cooled connector of claim 1, wherein the flow channel positioning member (1) comprises a body, a packaging tray packaged on the top and bottom surfaces of the body, and a heat dissipation flow channel (4) arranged on the periphery of the body, the body is provided with an inner inlet and an inner outlet, the packaging bottom tray is provided with the liquid guiding terminal, the cooling chamber is provided with an inner inlet flow channel and an inner outlet flow channel communicated with the liquid guiding terminal, and the body, the packaging top tray and the packaging bottom tray are sealed to form the cooling chamber.
3. The liquid-cooled connector of claim 2, wherein the heat dissipation channel (4) is formed by a plurality of channels arranged in columns in a staggered manner.
4. The liquid-cooled connector of claim 3, wherein the flow-path partitions are equally spaced around the outer peripheral surface of the body.
5. The liquid-cooled connector of claim 4, wherein the heat dissipation channel (4) has a serpentine configuration.
6. The liquid cooled connector of claim 4, wherein the flow path partition is welded to the body or is an integrally formed structure.
7. A liquid-cooled connector according to claim 1, characterized in that the liquid-conducting terminal comprises a cooling medium inlet conduit (5) and a cooling medium outlet conduit (6), the cooling medium inlet conduit (5) and the cooling medium outlet conduit (6) being mounted on the flow channel positioning member (1) and communicating with the cooling chamber.
8. A liquid-cooled connector according to claim 1, characterized in that the flow path location member (1) is arranged coaxially with the housing (2).
9. The liquid cooled connector of claim 8, wherein the flow path positioning member (1) is an interference or transition fit with the housing (2).
10. The liquid-cooled connector according to any one of claims 1 to 9, further comprising a secondary positioning member (7) coaxially disposed on an inner side end surface of the flow channel positioning member (1), an outer nut sleeve (8) and a sleeve (9) sleeved outside the housing (2) and adapted to an external connector, a top cover (10) assembled on an end portion of the outer nut sleeve (8), an inner nut sleeve (3) for sealing the flow channel positioning member (1) and the housing (2), a nut clamp spring (12) for preventing the outer nut sleeve (8) from moving, a secondary positioning member clamp spring (14) for mutually matching and limiting the housing (2), a claw (13) in threaded connection with the sleeve (9), and an inner nut sleeve (11) for wrapping a wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110839502.3A CN113571955A (en) | 2021-07-23 | 2021-07-23 | Liquid cooling connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110839502.3A CN113571955A (en) | 2021-07-23 | 2021-07-23 | Liquid cooling connector |
Publications (1)
Publication Number | Publication Date |
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CN113571955A true CN113571955A (en) | 2021-10-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202110839502.3A Pending CN113571955A (en) | 2021-07-23 | 2021-07-23 | Liquid cooling connector |
Country Status (1)
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CN (1) | CN113571955A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107425323A (en) * | 2017-08-28 | 2017-12-01 | 深圳市沃尔新能源电气科技股份有限公司 | Charging gun, the charging gun socket of a kind of grafting female terminal and the application female terminal |
CN207340413U (en) * | 2017-09-30 | 2018-05-08 | 比亚迪股份有限公司 | The radiator and charging unit and vehicle of charging connector |
CN109334485A (en) * | 2018-09-30 | 2019-02-15 | 东莞市日新传导科技有限公司 | Liquid cooling connector |
CN109689424A (en) * | 2016-09-16 | 2019-04-26 | 菲尼克斯电动交通有限公司 | For for electric vehicle charging and with the plug-in connector component through cooling contact element |
CN110014950A (en) * | 2017-09-30 | 2019-07-16 | 比亚迪股份有限公司 | Charging connector and charging unit and vehicle |
-
2021
- 2021-07-23 CN CN202110839502.3A patent/CN113571955A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109689424A (en) * | 2016-09-16 | 2019-04-26 | 菲尼克斯电动交通有限公司 | For for electric vehicle charging and with the plug-in connector component through cooling contact element |
CN107425323A (en) * | 2017-08-28 | 2017-12-01 | 深圳市沃尔新能源电气科技股份有限公司 | Charging gun, the charging gun socket of a kind of grafting female terminal and the application female terminal |
CN207340413U (en) * | 2017-09-30 | 2018-05-08 | 比亚迪股份有限公司 | The radiator and charging unit and vehicle of charging connector |
CN110014950A (en) * | 2017-09-30 | 2019-07-16 | 比亚迪股份有限公司 | Charging connector and charging unit and vehicle |
CN109334485A (en) * | 2018-09-30 | 2019-02-15 | 东莞市日新传导科技有限公司 | Liquid cooling connector |
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