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
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- connector
- coolant
- cooling liquid
- interface
- flow channel
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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
- H01R13/02—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
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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
Description
技术领域technical field
本发明涉及连接器技术领域，尤其涉及一种插针及应用该插针的充电枪。The invention relates to the technical field of connectors, in particular to a pin and a charging gun using the pin.
背景技术Background technique
在使用充电枪对电动汽车进行大功率充电时，充电枪会出现发热现象，存在安全隐患。充电枪的发热原因在于相互插接的插针与及对应端子在充电时会产生发热，发热积聚到一定程序会存在安全隐患，这不仅降低了充电枪的使用寿命，而且事实上也限制了大功率充电枪的发展。When using the charging gun to charge the electric vehicle with high power, the charging gun will generate heat, which poses a safety hazard. The reason for the heating of the charging gun is that the pins and corresponding terminals that are plugged into each other will generate heat during charging. If the heat accumulates to a certain level, there will be a safety hazard. The development of power charging gun.
因此，迫切需求一种能够实现自身降温散热功能的插针及充电枪。Therefore, there is an urgent need for a plug pin and a charging gun that can realize its own cooling and heat dissipation function.
发明内容Contents of the invention
本发明的主要目的在于提供一种能够实现自身降温散热功能的插针，使得应用该插针的充电枪可进行大功率充电。The main purpose of the present invention is to provide a contact pin capable of realizing its own cooling and heat dissipation function, so that the charging gun using the contact pin can perform high-power charging.
为解决上述技术问题，本发明提供的插针包括一插接件和一连接件。插接件背离插接方向的一端向内开设有冷却液流道且在该端面形成有插接内接口，插接件上开设有与冷却液流道连通的插接件冷却液接口。连接件具有基部，基部上设有连接件冷却液接口，基部一端向内开设有压接孔，该压接孔内用以收容与连接件连接的电缆。基部另一端设有与连接件冷却液接口连通的连接件冷却液管道且在该基部端面形成有连接内接口。In order to solve the above technical problems, the contact pin provided by the present invention includes a plug connector and a connector. The end of the connector facing away from the insertion direction is provided with a coolant flow channel inward, and an inner connector interface is formed on the end surface, and a coolant interface of the connector communicated with the coolant flow channel is opened on the connector. The connecting piece has a base, on which a coolant interface of the connecting piece is provided, and a crimping hole is opened inwardly at one end of the base, and the crimping hole is used for accommodating a cable connected with the connecting piece. The other end of the base is provided with a connecting part cooling liquid pipe which communicates with the connecting part cooling liquid port, and a connecting inner port is formed on the end surface of the base part.
插接件与连接件连接在一起，其中，连接件冷却液管道设置于插接件冷却液流道内，且连接件冷却液管道与插接件冷却液流道壁之间形成有间隙流道。The connector and the connector are connected together, wherein the coolant pipe of the connector is arranged in the coolant channel of the connector, and a gap flow channel is formed between the coolant channel of the connector and the wall of the coolant channel.
插接件冷却液接口、间隙流道、连接件冷却液管道、和连接件冷却液接口连通形成冷却液流通的流道，插接内接口与连接内接口形成电气连接且与所述冷却液流通的流道密封绝缘。The coolant interface of the connector, the gap flow channel, the coolant pipe of the connector, and the coolant interface of the connector communicate to form a flow channel for the coolant to flow through, and the plug-in inner interface forms an electrical connection with the connection inner interface and communicates with the coolant The flow channel is sealed and insulated.
优选地，所述冷却液流通的流道的流道壁均形成有绝缘。Preferably, the walls of the flow channels through which the cooling liquid flows are all formed with insulation.
优选地，所述插接件背离插接方向的一端向内开设有固定槽，所述固定槽与冷却液流道连通，所述固定槽的宽度大于所述冷却液流道的宽度，所述连接件的基部设有连接件冷却液管道的一端外表面削窄以固定于所述固定槽内。Preferably, one end of the connector facing away from the insertion direction is provided with a fixing groove inwardly, and the fixing groove communicates with the cooling liquid flow channel, the width of the fixing groove is larger than the width of the cooling liquid flow channel, and the The base of the connector is provided with one end of the coolant pipe of the connector to be narrowed so as to be fixed in the fixing groove.
优选地，所述插接件的插接内接口为平面，所述连接件的连接内接口为平面。Preferably, the plugging inner interface of the socket is flat, and the connecting inner interface of the connecting piece is flat.
优选地，所述插接件的插接内接口与连接件的连接内接口的接触连接为焊接、螺纹连接、密封圈密封或者二者过盈配合。Preferably, the contact connection between the plugging inner interface of the plug connector and the connecting inner interface of the connector is welding, threaded connection, sealing ring sealing or interference fit of the two.
优选地，所述插接件上开设有插接件冷却液接口的面为平面。Preferably, the surface of the socket on which the coolant interface of the socket is opened is a plane.
优选地，所述基部上设有连接件冷却液接口的面为平面。Preferably, the surface of the base on which the coolant interface of the connector is provided is a plane.
优选地，所述冷却液流通的流道内流通有绝缘油。Preferably, insulating oil flows in the passage through which the cooling liquid flows.
优选地，所述冷却液流通的流道内流通有液冷水，所述冷却液流通的流道内壁绝缘。Preferably, liquid cooling water flows in the channel through which the cooling liquid flows, and the inner wall of the channel through which the cooling liquid flows is insulated.
本发明还提供一种充电枪，该充电枪设有上述的插针。The present invention also provides a charging gun, which is provided with the above pin.
本发明插针包括插接件和连接件，插接件冷却液接口、间隙流道、连接件冷却液管道和连接件冷却液接口连通形成冷却液流通的流道，通过流通的冷却液带走插针散发的热量，能够自动降低插针的温度，进而可提高充电枪的载流能力，确保进行大功率充电的稳定性和可靠性。The pin of the present invention includes a connector and a connector, the coolant interface of the connector, the gap flow channel, the coolant pipe of the connector and the coolant interface of the connector are connected to form a flow channel for the circulation of the coolant, and the coolant is taken away by the circulating coolant The heat emitted by the pins can automatically reduce the temperature of the pins, which in turn can increase the current carrying capacity of the charging gun, ensuring the stability and reliability of high-power charging.
附图说明Description of drawings
图1为本发明插针之插接件的结构示意图；Fig. 1 is the structural representation of the connector of pin of the present invention;
图2为图1所示插接件的纵剖面结构示意图；Fig. 2 is a schematic diagram of a longitudinal section structure of the connector shown in Fig. 1;
图3为本发明插针之连接件的结构示意图；Fig. 3 is a schematic structural view of the connector of the pin of the present invention;
图4为图1所示连接件的纵剖面结构示意图；Fig. 4 is a schematic diagram of the longitudinal section structure of the connector shown in Fig. 1;
图5为本发明插针组装完成后的立体结构示意图；Fig. 5 is a schematic diagram of the three-dimensional structure of the pin assembly of the present invention after it is assembled;
图6为图5所示插针的纵剖面结构示意图；Fig. 6 is a schematic diagram of the longitudinal section structure of the pin shown in Fig. 5;
图7为图5所示插针的另一角度纵剖面结构示意图。FIG. 7 is a structural schematic diagram of another angle longitudinal section of the pin shown in FIG. 5 .
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
请参阅图1和图2，本发明插针包括一插接件10和一连接件20。Please refer to FIG. 1 and FIG. 2 , the pin of the present invention includes a plug connector 10 and a connector 20 .
插接件10大致呈圆柱状，插接件10背离插接方向的一端向内开设有冷却液流道11且在该端面形成有插接内接口12，插接件10上开设有与冷却液流道11连通的插接件冷却液接口13。The connector 10 is roughly cylindrical, and the end of the connector 10 facing away from the insertion direction is provided with a coolant flow channel 11 inwardly, and a plug-in inner interface 12 is formed on the end surface. The coolant interface 13 of the plug connector communicated with the flow channel 11 .
请参阅图3和图4，连接件20具有基部21，基部21上设有连接件冷却液接口22，基部21一端向内开设有压接孔23，该压接孔23内用以收容与其连接的电缆（图中未示）。基部21另一端设有与连接件冷却液接口22连通的连接件冷却液管道24且在该基部端面形成有连接内接口25。Please refer to Figure 3 and Figure 4, the connector 20 has a base 21, the base 21 is provided with a connector coolant interface 22, and one end of the base 21 is provided with a crimping hole 23 inwardly, and the crimping hole 23 is used to receive and connect with it. cables (not shown). The other end of the base 21 is provided with a connector coolant pipe 24 communicating with the connector coolant port 22 and a connection inner port 25 is formed on the end surface of the base.
请再参阅图5、图6和图7，插针在组装时，插接件10与连接件20连接在一起，其中，连接件冷却液管道24设置于插接件冷却液流道11内，且连接件冷却液管道24与插接件冷却液流道壁之间形成有间隙流道t。Please refer to FIG. 5, FIG. 6 and FIG. 7 again. When the pins are assembled, the connector 10 and the connector 20 are connected together, wherein the connector coolant pipe 24 is arranged in the connector coolant flow channel 11, In addition, a gap flow channel t is formed between the cooling liquid pipe 24 of the connector and the wall of the cooling liquid flow channel of the socket.
插接件冷却液接口13、间隙流道t、连接件冷却液管道24、和连接件冷却液接口22连通形成冷却液流通的流道，插接内接口12与连接内接口25形成电气连接且与冷却液流通的流道密封绝缘。The coolant interface 13 of the connector, the gap flow channel t, the coolant pipe 24 of the connector, and the coolant interface 22 of the connector communicate to form a flow channel for the circulation of the coolant, and the plug inner interface 12 forms an electrical connection with the connection inner interface 25 The flow channel that communicates with the coolant is sealed and insulated.
作为本实施例的进一步改进，所述冷却液流通的流道的流道壁均形成有绝缘，As a further improvement of this embodiment, the walls of the flow channels through which the cooling liquid flows are all formed with insulation,
作为本实施例的进一步改进，所述插接件10背离插接方向的一端向内开设有固定槽14，固定槽14与冷却液流道11连通，固定槽14的宽度大于冷却液流道11的宽度，连接件20的基部21设有连接件冷却液管道的一端外表面削窄以固定于固定槽14内。As a further improvement of this embodiment, the end of the connector 10 facing away from the insertion direction is provided with a fixing groove 14 inward, the fixing groove 14 communicates with the cooling liquid flow channel 11, and the width of the fixing groove 14 is larger than that of the cooling liquid flow channel 11 The base 21 of the connector 20 is provided with an outer surface of one end of the coolant pipe of the connector to be narrowed so as to be fixed in the fixing groove 14 .
作为本实施例的进一步改进，所述插接件10的插接内接口12为平面，所述连接件20的连接内接口25为平面。As a further improvement of this embodiment, the plugging inner interface 12 of the plug connector 10 is a plane, and the connecting inner interface 25 of the connector 20 is a plane.
作为本实施例的进一步改进，所述插接件10的插接内接口12与连接件20的连接内接口25的接触连接为焊接、螺纹连接、密封圈密封或者二者过盈配合。As a further improvement of this embodiment, the contact connection between the insertion inner interface 12 of the plug connector 10 and the connection inner interface 25 of the connector 20 is welding, threaded connection, sealing ring sealing or interference fit of the two.
作为本实施例的进一步改进，所述插接件10上开设有插接件冷却液接口13的面为平面。As a further improvement of this embodiment, the surface of the socket 10 on which the socket coolant interface 13 is opened is a plane.
作为本实施例的进一步改进，所述基部21上设有连接件冷却液接口22的面为平面。As a further improvement of this embodiment, the surface of the base portion 21 on which the coolant interface 22 of the connector is provided is a plane.
作为本实施例的进一步改进，所述冷却液流通的流道内流通有绝缘油。As a further improvement of this embodiment, insulating oil flows in the passage through which the cooling liquid flows.
作为本实施例的进一步改进，所述冷却液流通的流道内流通有液冷水，所述冷却液流通的流道内壁绝缘。As a further improvement of this embodiment, liquid cooling water flows in the channel through which the cooling liquid flows, and the inner wall of the channel through which the cooling liquid flows is insulated.
本发明还提供一种充电枪，该充电枪设有上述的插针。由于该充电枪采用了上述所有实施例的全部技术方案，因此至少具有上述相应实施例的技术方案所带来的所有有益效果，在此不再一一赘述。The present invention also provides a charging gun, which is provided with the above pin. Since the charging gun adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned corresponding embodiments, and will not repeat them here.
本发明插针包括插接件10和连接件20，插接件冷却液接口13、间隙流道t、连接件冷却液管道24和连接件冷却液接口22连通形成冷却液流通的流道，通过流通的冷却液带走插针散发的热量，能够自动降低插针的温度，进而可提高充电枪的载流能力，确保进行大功率充电的稳定性和可靠性。The pin of the present invention includes a connector 10 and a connector 20, the connector coolant interface 13, the gap flow channel t, the connector coolant pipe 24 and the connector coolant interface 22 are connected to form a flow channel for coolant circulation, through The circulating coolant takes away the heat emitted by the pins, which can automatically reduce the temperature of the pins, thereby increasing the current-carrying capacity of the charging gun and ensuring the stability and reliability of high-power charging.
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other All relevant technical fields are included in the patent protection scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710694579.XA CN107317145B (en) | 2017-08-15 | 2017-08-15 | Contact pin and charging gun |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710694579.XA CN107317145B (en) | 2017-08-15 | 2017-08-15 | Contact pin and charging gun |
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| CN107317145A true CN107317145A (en) | 2017-11-03 |
| CN107317145B CN107317145B (en) | 2024-07-19 |
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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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| JPH10106867A (en) * | 1996-08-07 | 1998-04-24 | Sumitomo Wiring Syst Ltd | Electric vehicle charging system |
| 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 |
| CN106849228A (en) * | 2017-01-13 | 2017-06-13 | 深圳市沃尔核材股份有限公司 | Charging equipment cooling system |
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| JPH10106867A (en) * | 1996-08-07 | 1998-04-24 | Sumitomo Wiring Syst Ltd | Electric vehicle charging system |
| 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 |
| CN106849228A (en) * | 2017-01-13 | 2017-06-13 | 深圳市沃尔核材股份有限公司 | Charging equipment cooling system |
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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| Publication number | Publication date |
|---|---|
| CN107317145B (en) | 2024-07-19 |
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