CN107317145A - Contact pin and charging gun - Google Patents
Contact pin and charging gun Download PDFInfo
- Publication number
- CN107317145A CN107317145A CN201710694579.XA CN201710694579A CN107317145A CN 107317145 A CN107317145 A CN 107317145A CN 201710694579 A CN201710694579 A CN 201710694579A CN 107317145 A CN107317145 A CN 107317145A
- Authority
- CN
- China
- Prior art keywords
- connector
- coolant
- plug connector
- connection
- contact pin
- 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
- 239000002826 coolant Substances 0.000 claims abstract description 72
- 239000000110 cooling liquid Substances 0.000 claims abstract description 18
- 238000002788 crimping Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- 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
Abstract
The present invention discloses a kind of contact pin, including plug connector and connector.Plug connector offers cooling liquid flowing channel and be formed with the end face on grafting inner joint, plug connector away from the one end in grafting direction offers plug connector coolant connection.Connector is provided with connector coolant connection, crimping hole and connector coolant duct.Plug connector is linked together with connector, and connector coolant duct is arranged in plug connector cooling liquid flowing channel, and is formed with gap runner between connector coolant duct and plug connector cooling liquid flowing channel wall.Plug connector coolant connection, gap runner, connector coolant duct connect the runner to form coolant circulation with connector coolant connection.The present invention takes away the heat that contact pin is distributed by the coolant of circulation, the temperature of contact pin can be reduced automatically, and then can improve the current capacity of charging gun, it is ensured that carry out the stability and reliability of high-power charging.
Description
Technical field
The present invention relates to connector technique field, more particularly to a kind of contact pin and the charging gun using the contact pin.
Background technology
When carrying out high-power charging to electric automobile using charging gun, fever phenomenon occurs in charging gun, there is safety
Hidden danger.The heating cause of charging gun be the contact pin being mutually inserted with and corresponding terminal can produce heating in charging, heating is accumulated
Potential safety hazard can be had by gathering certain procedures, this not only lowers the service life of charging gun, and in fact also limit big
The development of power charging gun.
Therefore, active demand is a kind of can realize the contact pin and charging gun of itself cooling function.
The content of the invention
It is a primary object of the present invention to provide a kind of to realize the contact pin of itself cooling function so that application should
The charging gun of contact pin can carry out high-power charging.
In order to solve the above technical problems, the contact pin that the present invention is provided includes a plug connector and a connection piece.Plug connector deviates from
The one end in grafting direction inwardly offer cooling liquid flowing channel and the end face be formed with grafting inner joint, plug connector offer with
The plug connector coolant connection of cooling liquid flowing channel connection.Connector has base portion, and base portion is provided with connector coolant connection, base
Portion one end is inwardly offered in crimping hole, the crimping hole to house the cable being connected with connector.The base portion other end be provided with
Connector coolant connection connection connector coolant duct and be formed with connection inner joint in the base portion end face.
Plug connector links together with connector, wherein, connector coolant duct is arranged at plug connector cooling liquid flowing channel
It is interior, and it is formed with gap runner between connector coolant duct and plug connector cooling liquid flowing channel wall.
Plug connector coolant connection, gap runner, connector coolant duct connect to be formed with connector coolant connection
The runner of coolant circulation, grafting inner joint is electrically connected and close with the runner of coolant circulation with being connected inner joint formation
Envelope insulation.
Preferably, the flow path wall of the runner of the coolant circulation is each formed with insulation.
Preferably, the plug connector inwardly offers fixing groove, the fixing groove and cooling away from the one end in grafting direction
Liquid flow passage, the width of the fixing groove is more than the width of the cooling liquid flowing channel, and the base portion of the connector is provided with connection
Cut narrow to be fixed in the fixing groove in one end outer surface of part coolant duct.
Preferably, the grafting inner joint of the plug connector is plane, and the connection inner joint of the connector is plane.
Preferably, the contact with the connection inner joint of connector of the grafting inner joint of the plug connector is connected as welding, spiral shell
Line connection, sealing ring sealing or the two interference fit.
Preferably, the face that plug connector coolant connection is offered on the plug connector is plane.
Preferably, face of the base portion provided with connector coolant connection is plane.
Preferably, circulation has insulating oil in the runner of the coolant circulation.
Preferably, circulation has liquid cold water in the runner of the coolant circulation, and the runner inner wall of the coolant circulation is exhausted
Edge.
The present invention also provides a kind of charging gun, and the charging gun is provided with above-mentioned contact pin.
Contact pin of the present invention includes plug connector and connector, plug connector coolant connection, gap runner, connector coolant pipe
Road connects the runner to form coolant circulation with connector coolant connection, and the heat that contact pin is distributed is taken away by the coolant of circulation
Amount, the temperature of contact pin can be reduced automatically, and then can improve the current capacity of charging gun, it is ensured that carry out the stabilization of high-power charging
Property and reliability.
Brief description of the drawings
Fig. 1 is the structural representation of the plug connector of contact pin of the present invention；
Fig. 2 is the vertical section structure schematic diagram of plug connector shown in Fig. 1；
Fig. 3 is the structural representation of the connector of contact pin of the present invention；
Fig. 4 is the vertical section structure schematic diagram of connector shown in Fig. 1；
Fig. 5 is the dimensional structure diagram after contact pin of the present invention is completed；
Fig. 6 is the vertical section structure schematic diagram of contact pin shown in Fig. 5；
Fig. 7 is another angle vertical section structure schematic diagram of contact pin shown in Fig. 5.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Fig. 1 and Fig. 2 are referred to, contact pin of the present invention includes a plug connector 10 and a connection piece 20.
Plug connector 10 is substantially cylindrical, and plug connector 10 inwardly offers cooling liquid flowing channel 11 away from the one end in grafting direction
And the plug connector coolant for offering and being connected with cooling liquid flowing channel 11 on grafting inner joint 12, plug connector 10 is formed with the end face
Interface 13.
Fig. 3 and Fig. 4 are referred to, connector 20 has base portion 21, and base portion 21 is provided with connector coolant connection 22, base portion
21 one end are inwardly offered in crimping hole 23, the crimping hole 23 to house connected cable（Do not show in figure）.Base portion 21
The other end is provided with the connector coolant duct 24 connected with connector coolant connection 22 and is formed with company in the base portion end face
Connect inner joint 25.
Referring again to Fig. 5, Fig. 6 and Fig. 7, contact pin is in assembling, and plug connector 10 links together with connector 20, wherein,
Connector coolant duct 24 is arranged in plug connector cooling liquid flowing channel 11, and connector coolant duct 24 is cooled down with plug connector
Gap runner t is formed between liquid flow path wall.
Plug connector coolant connection 13, gap runner t, connector coolant duct 24 and connector coolant connection 22
Connection forms the runner of coolant circulation, and grafting inner joint 12 is with being connected the formation of inner joint 25 electrical connection and being circulated with coolant
Runner sealed insulation.
As further improvement of this embodiment, the flow path wall of the runner of the coolant circulation is each formed with insulation,
As further improvement of this embodiment, the plug connector 10 inwardly offers fixing groove away from the one end in grafting direction
14, fixing groove 14 is connected with cooling liquid flowing channel 11, and the width of fixing groove 14 is more than the width of cooling liquid flowing channel 11, connector 20
Cut narrow to be fixed in fixing groove 14 in one end outer surface of the base portion 21 provided with connector coolant duct.
As further improvement of this embodiment, the grafting inner joint 12 of the plug connector 10 is plane, the connector
20 connection inner joint 25 is plane.
As further improvement of this embodiment, in the grafting inner joint 12 of the plug connector 10 and the connection of connector 20
The contact of interface 25 is connected as welding, is threadedly coupled, sealing ring sealing or the two interference fit.
As further improvement of this embodiment, the face that plug connector coolant connection 13 is offered on the plug connector 10 is
Plane.
As further improvement of this embodiment, face of the base portion 21 provided with connector coolant connection 22 is flat
Face.
As further improvement of this embodiment, circulation has insulating oil in the runner of the coolant circulation.
As further improvement of this embodiment, circulation has liquid cold water, the cooling in the runner of the coolant circulation
The runner inner wall insulation of liquid circulation.
The present invention also provides a kind of charging gun, and the charging gun is provided with above-mentioned contact pin.Due to the charging gun employ it is above-mentioned
Whole technical schemes of all embodiments, thus at least with above-mentioned corresponding embodiment technical scheme brought it is all beneficial
Effect, this is no longer going to repeat them.
Contact pin of the present invention includes plug connector 10 and connector 20, plug connector coolant connection 13, gap runner t, connector
Coolant duct 24 connects the runner to form coolant circulation with connector coolant connection 22, is taken away by the coolant of circulation
The heat that contact pin is distributed, the temperature of contact pin can be reduced automatically, and then can improve the current capacity of charging gun, it is ensured that carry out big work(
The stability and reliability of rate charging.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every in the present invention
Inventive concept under, the equivalent structure transformation made using description of the invention and accompanying drawing content, or be directly or indirectly used in
Other related technical fields are included in the scope of patent protection of the present invention.
Claims (9)
1. a kind of contact pin, it is characterised in that the contact pin includes：
One plug connector, the plug connector inwardly offers cooling liquid flowing channel and is formed with the end face away from the one end in grafting direction
The plug connector coolant connection connected with the cooling liquid flowing channel is offered on grafting inner joint, the plug connector；
A connection piece, the connector has a base portion, and the base portion is provided with connector coolant connection, described base portion one end to
Inside offer to house the cable being connected with connector in crimping hole, the crimping hole, the base portion other end is provided with being connected
Part coolant connection connection connector coolant duct and be formed with connection inner joint in the base portion end face；
The plug connector links together with connector, wherein, it is cold that the connector coolant duct is arranged at the plug connector
But in liquid runner, and gap runner is formed between the connector coolant duct and plug connector cooling liquid flowing channel wall, it is described
Plug connector coolant connection, gap runner, connector coolant duct connect to form coolant stream with connector coolant connection
Logical runner, the grafting inner joint and the runner sealing for being connected inner joint formation electrical connection and being circulated with the coolant are exhausted
Edge.
2. contact pin as claimed in claim 1, it is characterised in that the plug connector is inwardly offered away from the one end in grafting direction
Fixing groove, the fixing groove is connected with cooling liquid flowing channel, and the width of the fixing groove is more than the width of the cooling liquid flowing channel, institute
State one end outer surface of the base portion of connector provided with connector coolant duct and cut narrow to be fixed in the fixing groove.
3. contact pin as claimed in claim 1, it is characterised in that the grafting inner joint of the plug connector is plane, the connection
The connection inner joint of part is plane.
4. contact pin as claimed in claim 1, it is characterised in that in the connection of the grafting inner joint and connector of the plug connector
The contact of interface is connected as welding, is threadedly coupled, sealing ring sealing or the two interference fit.
5. contact pin as claimed in claim 1, it is characterised in that the face of plug connector coolant connection is offered on the plug connector
For plane.
6. contact pin as claimed in claim 1, it is characterised in that face of the base portion provided with connector coolant connection is flat
Face.
7. contact pin as claimed in claim 1, it is characterised in that circulation has insulating oil in the runner of the coolant circulation.
8. contact pin as claimed in claim 1, it is characterised in that circulation has liquid cold water, institute in the runner of the coolant circulation
State the runner inner wall insulation of coolant circulation.
9. a kind of charging gun, it is characterised in that the charging gun is provided with the contact pin as described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710694579.XA CN107317145A (en) | 2017-08-15 | 2017-08-15 | Contact pin and charging gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710694579.XA CN107317145A (en) | 2017-08-15 | 2017-08-15 | Contact pin and charging gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107317145A true CN107317145A (en) | 2017-11-03 |
Family
ID=60177235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710694579.XA Pending CN107317145A (en) | 2017-08-15 | 2017-08-15 | Contact pin and charging gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107317145A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493725A (en) * | 2018-03-08 | 2018-09-04 | 浙江零跑科技有限公司 | A kind of arrangements of electric connection for the high-power charging of electric vehicle |
| CN110086047A (en) * | 2019-05-31 | 2019-08-02 | 南京康尼机电股份有限公司 | A kind of charging gun chipware, charging gun plug and the charging gun of energy monitoring temperature |
| WO2020239145A3 (en) * | 2019-05-31 | 2021-01-14 | 南京康尼机电股份有限公司 | Core member, with cooling liquid passage, for charging gun, and plug and charging gun |
| DE102022120987A1 (en) | 2022-08-19 | 2024-02-22 | Lisa Dräxlmaier GmbH | HEAT SINK FOR A CONTACTING ELEMENT, CONTACTING ELEMENT FOR A CONNECTION DEVICE AND CONNECTION DEVICE |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10106867A (en) * | 1996-08-07 | 1998-04-24 | Sumitomo Wiring Syst Ltd | Charging system for electric motor car |
| US20130267115A1 (en) * | 2010-10-14 | 2013-10-10 | Gregory Thomas Mark | Actively cooled electrical connection |
| EP3043421A1 (en) * | 2015-01-12 | 2016-07-13 | Phoenix Contact e-Mobility GmbH | Electric connection body for a charging connector and/or a charging socket, charging connector and charging station for supplying electric energy to a receiver of electrical energy |
-
2017
- 2017-08-15 CN CN201710694579.XA patent/CN107317145A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10106867A (en) * | 1996-08-07 | 1998-04-24 | Sumitomo Wiring Syst Ltd | Charging system for electric motor car |
| US20130267115A1 (en) * | 2010-10-14 | 2013-10-10 | Gregory Thomas Mark | Actively cooled electrical connection |
| EP3043421A1 (en) * | 2015-01-12 | 2016-07-13 | Phoenix Contact e-Mobility GmbH | Electric connection body for a charging connector and/or a charging socket, charging connector and charging station for supplying electric energy to a receiver of electrical energy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493725A (en) * | 2018-03-08 | 2018-09-04 | 浙江零跑科技有限公司 | A kind of arrangements of electric connection for the high-power charging of electric vehicle |
| CN110086047A (en) * | 2019-05-31 | 2019-08-02 | 南京康尼机电股份有限公司 | A kind of charging gun chipware, charging gun plug and the charging gun of energy monitoring temperature |
| WO2020239145A3 (en) * | 2019-05-31 | 2021-01-14 | 南京康尼机电股份有限公司 | Core member, with cooling liquid passage, for charging gun, and plug and charging gun |
| DE102022120987A1 (en) | 2022-08-19 | 2024-02-22 | Lisa Dräxlmaier GmbH | HEAT SINK FOR A CONTACTING ELEMENT, CONTACTING ELEMENT FOR A CONNECTION DEVICE AND CONNECTION DEVICE |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210615 Address after: 518000 6th floor, phase III factory building, WUR Industrial Park, Lanjing North Road, Pingshan District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Applicant after: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Applicant after: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Address before: 518118 6th floor, phase III factory building, WUR Industrial Park, Lanjing North Road, Pingshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Applicant before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Applicant before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Applicant before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Applicant before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Applicant before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231120 Address after: 518000 workshop 601 of wal nuclear material industrial plant (phase III), No. 53 Qingsong West Road, Zhukeng community, Longtian street, Pingshan District, Shenzhen, Guangdong Province Applicant after: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Address before: 518000 6th floor, phase III factory building, WUR Industrial Park, Lanjing North Road, Pingshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Applicant before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Applicant before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. |