WO2020239145A2 - Core member, with cooling liquid passage, for charging gun, and plug and charging gun - Google Patents

Core member, with cooling liquid passage, for charging gun, and plug and charging gun Download PDF

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Publication number
WO2020239145A2
WO2020239145A2 PCT/CN2020/105368 CN2020105368W WO2020239145A2 WO 2020239145 A2 WO2020239145 A2 WO 2020239145A2 CN 2020105368 W CN2020105368 W CN 2020105368W WO 2020239145 A2 WO2020239145 A2 WO 2020239145A2
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WO
WIPO (PCT)
Prior art keywords
charging gun
core
core piece
piece
core member
Prior art date
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PCT/CN2020/105368
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French (fr)
Chinese (zh)
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WO2020239145A3 (en
Inventor
陈鹏程
周
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南京康尼机电股份有限公司
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Publication of WO2020239145A2 publication Critical patent/WO2020239145A2/en
Publication of WO2020239145A3 publication Critical patent/WO2020239145A3/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/302—Cooling of charging equipment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the invention relates to the field of electric vehicle charging equipment, in particular to a core piece with a cooling liquid channel for a charging gun.
  • the charging guns for electric vehicles in the prior art mostly use solid pins. With the development of electric vehicles, the requirements for charging speed are getting higher and higher. The current-carrying capacity of the charging guns with solid pins has become insufficient, increasing the current Under the circumstances, it will cause severe fever. At present, some manufacturers are also conducting research and development of hollow pins, and the current-carrying capacity of the pins is improved by cooling, but the manufacturing is difficult and the cost is high, which is not suitable for market demand.
  • the present invention provides a core piece with a cooling liquid channel for a charging gun.
  • a core piece with a coolant channel for a charging gun of the present invention includes a core piece body with a cavity inside, and the end of the core piece body is liquid-cooled in communication with the cavity Cable connection end; a connector is provided on the side of the core body, and the connector is communicated with the cavity of the core body; the cavity of the core body is provided with a detachable flow guide, and the flow guide is provided with a coolant Channel, one end of the cooling liquid channel is connected with the joint, and the other end leads to the inside of the head end of the core body; there is a gap between the outer wall of the flow guide and the inner wall of the core body.
  • a positioning mechanism is provided between the core body and the flow guide, and the positioning mechanism is used to fix the position of the flow guide in the cavity of the core body. In this way, the cooling liquid channel is not misaligned with the joint, so that one end of the cooling liquid channel is connected to the joint.
  • the flow guide includes a flow guide part and a positioning part
  • the cooling liquid channel is arranged in the flow guide part
  • the positioning mechanism is arranged between the positioning part and the core body.
  • the positioning mechanism includes pin holes respectively provided on the core body and the positioning portion, and pins provided in the pin holes.
  • a pin can be used to fix the core body and the flow guide, avoiding the dislocation of the coolant channel of the flow guide and the joint, and the pin is detachable, which is convenient for replacement and maintenance.
  • the joint is a right-angle joint. In this way, it is convenient to connect to the coolant pipe and can reduce the space occupied by the coolant pipe.
  • the guide piece is a plastic piece. This is convenient for manufacturing and molding and low cost.
  • the temperature sensor also includes a temperature sensor, a heat conducting element is arranged at the head end of the core body, and the temperature sensor is in contact with the heat conducting element. In this way, the temperature of the charging gun core can be measured when the charging gun core is not in contact with the socket, and the temperature of the socket can be measured when the charging gun core is in contact with the socket.
  • the temperature sensor has an insulating shell, the head end of the core body is also provided with an insulating part, and the side wall of the heat conducting element is wrapped by the insulating part, so that the heat conducting element does not contact the head end of the core body. The head end is exposed outside the insulating part.
  • the plug for a charging gun of the present invention includes a plug shell and a core piece, the plug shell has an opening, the core piece is arranged in the opening, and the core piece adopts the core piece with a coolant channel for the charging gun.
  • the charging gun of the present invention includes a charging gun plug, the charging gun plug has a core piece, and the core piece adopts the core piece with a coolant channel for the charging gun.
  • the present invention discloses a core piece with a cooling liquid channel, a plug and a charging gun for a charging gun.
  • a cooling liquid channel is arranged in the guide piece, and the other end of the cooling liquid channel leads to the inside of the head end of the core body In this way, the cooling liquid can be guided to the inside of the head end of the core body, thereby directly reducing the heat generated by the head end of the core body during operation.
  • the air guide of the present invention can be disassembled, which is convenient for maintenance and replacement.
  • the present invention has a simple structure, does not require special processes and tooling, can save costs, and is suitable for mass production.
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Fig. 2 is a front cross-sectional view of Fig. 1.
  • a core piece with coolant passage for a charging gun includes a core piece body 1 with a cavity inside, and the end of the core piece body 1 is a liquid-cooled cable connection end connected to the cavity 11;
  • the side of the core body 1 is provided with a joint 2 that communicates with the cavity of the core body 1;
  • the cavity of the core body 1 is provided with a detachable flow guide 4, and the flow guide 4
  • a cooling fluid channel 41 is provided.
  • One end of the cooling fluid channel 41 is in communication with the joint 2, and the other end leads to the inside of the head end of the core body 1.
  • the joint 2 is a right-angle joint, which is convenient for connecting the cooling liquid pipeline and occupying the cooling liquid pipeline. The space becomes smaller.
  • the air guide 4 is detachable, and can be realized by any detachable structure, such as bolts, pins, and so on.
  • a positioning mechanism is provided between the core body 1 and the flow guide 4, and the positioning mechanism is used to fix the position of the flow guide 4 in the cavity of the core body 1 so that the coolant channel 41 of the flow guide 4 is not connected to the joint 2. dislocation.
  • the flow guide 4 includes a flow guide 42 and a positioning part 43.
  • the cooling liquid channel 41 is provided in the flow guide 42, and the positioning mechanism is provided between the positioning part 43 and the core body 1.
  • the positioning mechanism includes pin holes respectively provided on the core body 1 and the positioning portion 42, and pins 3 provided in the pin holes.
  • the air guide 4 is a plastic part, which is easy to process and manufacture and has low cost through injection molding.
  • the joint 2 When the present invention is in use, the joint 2 is connected to the coolant pipe, and the liquid-cooled cable connection end 11 of the core body 1 is connected to the liquid-cooled cable, so that the cavity in the core body 1 becomes a part of the cooling circuit.
  • the coolant enters the guide 4 through the coolant pipe and the joint 2, and is sprayed into the head end of the core body 1 through the coolant channel 41 in the guide 4, and then from the inner wall of the core body 1 and the guide 4
  • the gap between the outer walls flows into the liquid-cooled cable, thereby taking away the heat generated by the head end of the core body 1 so that it can withstand greater current.
  • the pin 3 and the pin hole are matched to fix the core body 1 and the guide 4 to avoid the misalignment of the guide 4 and the joint 2 and facilitate replacement and maintenance.
  • the core can also include a temperature sensor, the head of the core body 1 is provided with a heat-conducting element, and the temperature sensor is in contact with the heat-conducting element.
  • the temperature sensor has an insulating shell.
  • the head end of the core body 1 is also provided with an insulator.
  • the side wall of the heat-conducting element is wrapped by the insulating part so that the heat-conducting element does not contact the head end of the core body 1. Exposed outside the insulation.
  • This embodiment also discloses a plug for a charging gun, which includes a plug shell and a core piece.
  • the plug shell has an opening
  • the core piece is arranged in the opening
  • the core piece uses the above-mentioned core piece with a coolant channel for the charging gun.
  • This specific embodiment also discloses a charging gun, including a charging gun plug, the charging gun plug has a core piece, and the core piece uses the above-mentioned core piece with a coolant channel for the charging gun.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Disclosed is a core member, with a cooling liquid passage, for a charging gun. The core member comprises a core member body internally provided with a cavity, wherein a tail end of the core member body is a liquid-cooled cable connecting end in communication with the cavity of the core member body; a lateral portion of the core member body is provided with a connector, and the connector is in communication with the cavity of the core member body; the cavity of the core member body is internally provided with a detachable flow guide member; the flow guide member is internally provided with a cooling liquid passage; one end of the cooling liquid passage is in communication with the connector, and the other end thereof leads to the interior of a head end of the core member body; and there is a gap between an outer wall of the flow guide member and an inner wall of the core member body. Further disclosed are a plug and a charging gun, which use the core member. The present invention can solve the problem of heat generation and gathering at a contact position between the core member body of the charging gun and a socket, and can take away heat emitted from the contact position, such that the present invention bears a larger current, is simple to manufacture, requires no special technology and tooling, saves on costs, and is suitable for mass production.

Description

一种充电枪用带冷却液通道的芯件、插头及充电枪Core piece with coolant channel for charging gun, plug and charging gun 技术领域Technical field
本发明涉及电动汽车充电设备领域，具体是一种充电枪用带冷却液通道的芯件。The invention relates to the field of electric vehicle charging equipment, in particular to a core piece with a cooling liquid channel for a charging gun.
背景技术Background technique
现有技术的电动汽车充电枪，多使用实心插针，随着电动汽车的发展，对充电速度的要求越来越高，采用实心插针的充电枪的载流能力已经显得不足，增大电流的情况下，会导致发热严重。目前也有一些厂家进行空心插针的研发，通过冷却的方式使插针载流能力提高，但是制造困难，成本较高，不适合市场需求。The charging guns for electric vehicles in the prior art mostly use solid pins. With the development of electric vehicles, the requirements for charging speed are getting higher and higher. The current-carrying capacity of the charging guns with solid pins has become insufficient, increasing the current Under the circumstances, it will cause severe fever. At present, some manufacturers are also conducting research and development of hollow pins, and the current-carrying capacity of the pins is improved by cooling, but the manufacturing is difficult and the cost is high, which is not suitable for market demand.
发明内容Summary of the invention
发明目的：为了克服现有技术中存在的不足，本发明提供一种充电枪用带冷却液通道的芯件。Objective of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a core piece with a cooling liquid channel for a charging gun.
技术方案：为解决上述技术问题，本发明的一种充电枪用带冷却液通道的芯件，包括内部具有空腔的芯件本体，所述芯件本体尾端为与其空腔连通的液冷电缆连接端；所述芯件本体侧部设置有接头，该接头与芯件本体的空腔连通；芯件本体的空腔内设有能够拆卸的导流件，该导流件内设置冷却液通道，所述冷却液通道的一端与接头连通，另一端通向芯件本体的头端内部；导流件外壁与芯件本体内壁之间有空隙。Technical solution: In order to solve the above technical problems, a core piece with a coolant channel for a charging gun of the present invention includes a core piece body with a cavity inside, and the end of the core piece body is liquid-cooled in communication with the cavity Cable connection end; a connector is provided on the side of the core body, and the connector is communicated with the cavity of the core body; the cavity of the core body is provided with a detachable flow guide, and the flow guide is provided with a coolant Channel, one end of the cooling liquid channel is connected with the joint, and the other end leads to the inside of the head end of the core body; there is a gap between the outer wall of the flow guide and the inner wall of the core body.
进一步，所述芯件本体与导流件之间设置有定位机构，定位机构用于固定导流件在芯件本体空腔内的位置。这样能够使冷却液通道不与接头错位，从而实现冷却液通道的一端与接头连通。Further, a positioning mechanism is provided between the core body and the flow guide, and the positioning mechanism is used to fix the position of the flow guide in the cavity of the core body. In this way, the cooling liquid channel is not misaligned with the joint, so that one end of the cooling liquid channel is connected to the joint.
进一步，所述导流件包括导流部和定位部，冷却液通道设于导流部内，定位机构设置于定位部与芯件本体之间。Further, the flow guide includes a flow guide part and a positioning part, the cooling liquid channel is arranged in the flow guide part, and the positioning mechanism is arranged between the positioning part and the core body.
进一步，所述定位机构包括分别设于芯件本体和定位部上的销孔，以及设置在销孔内的销。这样能够使用销将芯件本体与导流件进行固定，避免导流件的冷却液通道与接头发生错位，并且销是可拆卸的，便于更换维修。Further, the positioning mechanism includes pin holes respectively provided on the core body and the positioning portion, and pins provided in the pin holes. In this way, a pin can be used to fix the core body and the flow guide, avoiding the dislocation of the coolant channel of the flow guide and the joint, and the pin is detachable, which is convenient for replacement and maintenance.
进一步，所述接头为直角接头。这样便于接入冷却液管道，能够减小冷却液管道占用的空间。Further, the joint is a right-angle joint. In this way, it is convenient to connect to the coolant pipe and can reduce the space occupied by the coolant pipe.
进一步，所述导流件为塑料件。这样便于制造成型，成本低廉。Further, the guide piece is a plastic piece. This is convenient for manufacturing and molding and low cost.
进一步，还包括温度传感器，所述芯件本体的头端设有导热元件，温度传感器与导 热元件接触。这样在充电枪芯件不与插座接触时能够测充电枪芯件本身的温度，在充电枪芯件与插座接触时能够测插座的温度。Furthermore, it also includes a temperature sensor, a heat conducting element is arranged at the head end of the core body, and the temperature sensor is in contact with the heat conducting element. In this way, the temperature of the charging gun core can be measured when the charging gun core is not in contact with the socket, and the temperature of the socket can be measured when the charging gun core is in contact with the socket.
进一步，所述温度传感器具有绝缘的外壳，芯件本体的头端还设有绝缘件，导热元件的侧壁被绝缘件包裹着，使得导热元件与芯件本体的头端不接触，导热元件的头端露在绝缘件外。Further, the temperature sensor has an insulating shell, the head end of the core body is also provided with an insulating part, and the side wall of the heat conducting element is wrapped by the insulating part, so that the heat conducting element does not contact the head end of the core body. The head end is exposed outside the insulating part.
本发明所述的充电枪用插头，包括插头外壳和芯件，插头外壳具有开口，芯件设于开口内，所述芯件采用所述的充电枪用带冷却液通道的芯件。The plug for a charging gun of the present invention includes a plug shell and a core piece, the plug shell has an opening, the core piece is arranged in the opening, and the core piece adopts the core piece with a coolant channel for the charging gun.
本发明所述的充电枪，包括充电枪插头，充电枪插头具有芯件，所述芯件采用所述的充电枪用带冷却液通道的芯件。The charging gun of the present invention includes a charging gun plug, the charging gun plug has a core piece, and the core piece adopts the core piece with a coolant channel for the charging gun.
有益效果：本发明公开了一种充电枪用带冷却液通道的芯件、插头及充电枪，导流件内设置有冷却液通道，冷却液通道的另一端通向芯件本体的头端内部，这样能够将冷却液引向芯件本体的头端内部，从而能够直接降低芯件本体头端在工作时产生的热量。并且，本发明的导流件是能够拆卸的，这样方便维修和更换。此外，本发明结构简单，无需特殊工艺及工装，能够节省成本，适合大批量生产。Beneficial effects: The present invention discloses a core piece with a cooling liquid channel, a plug and a charging gun for a charging gun. A cooling liquid channel is arranged in the guide piece, and the other end of the cooling liquid channel leads to the inside of the head end of the core body In this way, the cooling liquid can be guided to the inside of the head end of the core body, thereby directly reducing the heat generated by the head end of the core body during operation. In addition, the air guide of the present invention can be disassembled, which is convenient for maintenance and replacement. In addition, the present invention has a simple structure, does not require special processes and tooling, can save costs, and is suitable for mass production.
附图说明Description of the drawings
图1为本发明的结构示意图；Figure 1 is a schematic diagram of the structure of the present invention;
图2为图1的正视剖视图。Fig. 2 is a front cross-sectional view of Fig. 1.
具体实施方式Detailed ways
下面通过实施例，并结合附图，对本发明的技术方案做进一步详细的描述。The technical solutions of the present invention will be further described in detail below through embodiments and in conjunction with the drawings.
如图1和图2所示的一种充电枪用带冷却液通道的芯件，包括内部具有空腔的芯件本体1，芯件本体1尾端为与其空腔连通的液冷电缆连接端11；芯件本体1侧部设置有接头2，该接头2与芯件本体1的空腔连通；芯件本体1的空腔内设有能够拆卸的导流件4，该导流件4内设置冷却液通道41，冷却液通道41的一端与接头2连通，另一端通向芯件本体1的头端内部，优选地，接头2为直角接头，便于连接冷却液管道，使冷却液管道占用空间变小。导流件4外壁与芯件本体1内壁之间有空隙。导流件4是能够拆卸的，可以通过任意能够拆卸的结构实现，例如螺栓、销等等。芯件本体1与导流件4之间设置有定位机构，定位机构用于固定导流件4在芯件本体1空腔内的位置，使得导流件4的冷却液通道41不与接头2错位。导流件4包括导流部42和定位部43，冷却液通道41设于导流部42内，定位机构设置于定位部43与芯件本体1之间。定位机构 包括分别设于芯件本体1和定位部42上的销孔，以及设置在销孔内的销3。优选地，导流件4为塑料件，通过注塑成型，便于加工制造，且成本低廉。As shown in Fig. 1 and Fig. 2, a core piece with coolant passage for a charging gun includes a core piece body 1 with a cavity inside, and the end of the core piece body 1 is a liquid-cooled cable connection end connected to the cavity 11; The side of the core body 1 is provided with a joint 2 that communicates with the cavity of the core body 1; the cavity of the core body 1 is provided with a detachable flow guide 4, and the flow guide 4 A cooling fluid channel 41 is provided. One end of the cooling fluid channel 41 is in communication with the joint 2, and the other end leads to the inside of the head end of the core body 1. Preferably, the joint 2 is a right-angle joint, which is convenient for connecting the cooling liquid pipeline and occupying the cooling liquid pipeline. The space becomes smaller. There is a gap between the outer wall of the guide 4 and the inner wall of the core body 1. The air guide 4 is detachable, and can be realized by any detachable structure, such as bolts, pins, and so on. A positioning mechanism is provided between the core body 1 and the flow guide 4, and the positioning mechanism is used to fix the position of the flow guide 4 in the cavity of the core body 1 so that the coolant channel 41 of the flow guide 4 is not connected to the joint 2. dislocation. The flow guide 4 includes a flow guide 42 and a positioning part 43. The cooling liquid channel 41 is provided in the flow guide 42, and the positioning mechanism is provided between the positioning part 43 and the core body 1. The positioning mechanism includes pin holes respectively provided on the core body 1 and the positioning portion 42, and pins 3 provided in the pin holes. Preferably, the air guide 4 is a plastic part, which is easy to process and manufacture and has low cost through injection molding.
本发明在使用时，通过接头2与冷却液管道连接，芯件本体1的液冷电缆连接端11连接液冷电缆，使得芯件本体1内空腔成为冷却回路的一部分。冷却液通过冷却液管道和接头2进入导流件4，通过导流件4内的冷却液通道41喷向芯件本体1的头端内部，然后从芯件本体1的内壁与导流件4外壁之间的空隙流入液冷电缆，由此带走芯件本体1头端所产生的热量，使其能承受更大的电流。When the present invention is in use, the joint 2 is connected to the coolant pipe, and the liquid-cooled cable connection end 11 of the core body 1 is connected to the liquid-cooled cable, so that the cavity in the core body 1 becomes a part of the cooling circuit. The coolant enters the guide 4 through the coolant pipe and the joint 2, and is sprayed into the head end of the core body 1 through the coolant channel 41 in the guide 4, and then from the inner wall of the core body 1 and the guide 4 The gap between the outer walls flows into the liquid-cooled cable, thereby taking away the heat generated by the head end of the core body 1 so that it can withstand greater current.
采用销3和销孔配合的方式，将芯件本体1和导流件4固定，避免导流件4与接头2错位，还便于更换维修。The pin 3 and the pin hole are matched to fix the core body 1 and the guide 4 to avoid the misalignment of the guide 4 and the joint 2 and facilitate replacement and maintenance.
本芯件还可以包括温度传感器，芯件本体1的头端设有导热元件，温度传感器与导热元件接触。温度传感器具有绝缘的外壳，芯件本体1的头端还设有绝缘件，导热元件的侧壁被绝缘件包裹着，使得导热元件与芯件本体1的头端不接触，导热元件的头端露在绝缘件外。The core can also include a temperature sensor, the head of the core body 1 is provided with a heat-conducting element, and the temperature sensor is in contact with the heat-conducting element. The temperature sensor has an insulating shell. The head end of the core body 1 is also provided with an insulator. The side wall of the heat-conducting element is wrapped by the insulating part so that the heat-conducting element does not contact the head end of the core body 1. Exposed outside the insulation.
本具体实施方式还公开了一种充电枪用插头，包括插头外壳和芯件，插头外壳具有开口，芯件设于开口内，芯件采用上述的充电枪用带冷却液通道的芯件。This embodiment also discloses a plug for a charging gun, which includes a plug shell and a core piece. The plug shell has an opening, the core piece is arranged in the opening, and the core piece uses the above-mentioned core piece with a coolant channel for the charging gun.
本具体实施方式还公开了一种充电枪，包括充电枪插头，充电枪插头具有芯件，芯件采用上述的充电枪用带冷却液通道的芯件。This specific embodiment also discloses a charging gun, including a charging gun plug, the charging gun plug has a core piece, and the core piece uses the above-mentioned core piece with a coolant channel for the charging gun.

Claims (10)

  1. 一种充电枪用带冷却液通道的芯件，其特征在于：包括内部具有空腔的芯件本体(1)，所述芯件本体(1)尾端为与其空腔连通的液冷电缆连接端(11)；所述芯件本体(1)侧部设置有接头(2)，该接头(2)与芯件本体(1)的空腔连通；芯件本体(1)的空腔内设有能够拆卸的导流件(4)，该导流件(4)内设置冷却液通道(41)，所述冷却液通道(41)的一端与接头(2)连通，另一端通向芯件本体(1)的头端内部；导流件(4)外壁与芯件本体(1)内壁之间有空隙。A core piece with a cooling fluid channel for a charging gun, which is characterized in that it comprises a core piece body (1) with a cavity inside, and the end of the core piece body (1) is connected with a liquid-cooled cable connected to the cavity End (11); the side of the core body (1) is provided with a joint (2), the joint (2) is connected with the cavity of the core body (1); the cavity of the core body (1) is provided There is a detachable guide piece (4), the guide piece (4) is provided with a cooling fluid channel (41), one end of the cooling fluid channel (41) is in communication with the joint (2), and the other end leads to the core piece Inside the head end of the body (1); there is a gap between the outer wall of the flow guide (4) and the inner wall of the core body (1).
  2. 根据权利要求1所述的一种充电枪用带冷却液通道的芯件，其特征在于：所述芯件本体(1)与导流件(4)之间设置有定位机构，定位机构用于固定导流件(4)在芯件本体(1)空腔内的位置。The core piece with coolant channel for charging gun according to claim 1, characterized in that: a positioning mechanism is provided between the core body (1) and the flow guide (4), and the positioning mechanism is used for The position of the air guide (4) in the cavity of the core body (1) is fixed.
  3. 根据权利要求2所述的一种充电枪用带冷却液通道的芯件，其特征在于：所述导流件(4)包括导流部(42)和定位部(43)，冷却液通道(41)设于导流部(42)内，定位机构设置于定位部(43)与芯件本体(1)之间。The core piece with a cooling fluid channel for a charging gun according to claim 2, characterized in that: the guiding piece (4) comprises a guiding portion (42) and a positioning portion (43), and the cooling liquid channel ( 41) is arranged in the guide portion (42), and the positioning mechanism is arranged between the positioning portion (43) and the core body (1).
  4. 根据权利要求3所述的一种充电枪用带冷却液通道的芯件，其特征在于：所述定位机构包括分别设于芯件本体(1)和定位部(42)上的销孔，以及设置在销孔内的销(3)。The core piece with coolant channel for a charging gun according to claim 3, wherein the positioning mechanism comprises pin holes respectively provided on the core body (1) and the positioning portion (42), and A pin (3) set in the pin hole.
  5. 根据权利要求1所述的一种充电枪用带冷却液通道的芯件，其特征在于：所述接头(2)为直角接头。The core piece with coolant passage for a charging gun according to claim 1, wherein the connector (2) is a right-angle connector.
  6. 根据权利要求1所述的一种充电枪用带冷却液通道的芯件结构，其特征在于：所述导流件(4)为塑料件。The core structure with coolant channels for charging guns according to claim 1, characterized in that the flow guide (4) is a plastic part.
  7. 根据权利要求1所述的一种充电枪用带冷却液通道的芯件，其特征在于：还包括温度传感器，所述芯件本体(1)的头端设有导热元件，温度传感器与导热元件接触。The core piece with a coolant channel for a charging gun according to claim 1, characterized in that it further comprises a temperature sensor, the head end of the core piece body (1) is provided with a heat conducting element, the temperature sensor and the heat conducting element contact.
  8. 根据权利要求7所述的一种充电枪用带冷却液通道的芯件，其特征在于：所述温度传感器具有绝缘的外壳，芯件本体(1)的头端还设有绝缘件，导热元件的侧壁被绝缘件包裹着，使得导热元件与芯件本体(1)的头端不接触，导热元件的头端露在绝缘件外。The core piece with coolant channel for charging gun according to claim 7, characterized in that: the temperature sensor has an insulating shell, and the head end of the core piece body (1) is also provided with an insulating piece and a heat conducting element The side wall of the heat-conducting element is wrapped by the insulating part, so that the heat-conducting element does not contact the head end of the core body (1), and the head end of the heat-conducting element is exposed outside the insulating part.
  9. 一种充电枪用插头，其特征在于：包括插头外壳和芯件，插头外壳具有开口，芯件设于开口内，所述芯件采用权利要求1-8中任意一项所述的充电枪用带冷却液通道的芯件。A plug for a charging gun, characterized in that it comprises a plug shell and a core piece, the plug shell has an opening, the core piece is arranged in the opening, and the core piece adopts the charging gun according to any one of claims 1-8. Core with coolant channels.
  10. 一种充电枪，其特征在于：包括充电枪插头，充电枪插头具有芯件，所述芯件 采用权利要求1-8中任意一项所述的充电枪用带冷却液通道的芯件。A charging gun, characterized in that it comprises a charging gun plug, the charging gun plug has a core piece, and the core piece adopts the core piece with a coolant channel for a charging gun according to any one of claims 1-8.
PCT/CN2020/105368 2019-05-31 2020-07-29 Core member, with cooling liquid passage, for charging gun, and plug and charging gun WO2020239145A2 (en)

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