CN210082968U

CN210082968U - Charging gun and core piece with cooling liquid channel, plug and charging gun

Info

Publication number: CN210082968U
Application number: CN201920812828.5U
Authority: CN
Inventors: 陈鹏程; 朱露; 杨煊; 张明
Original assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Current assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-18
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a core piece with a cooling liquid channel for a charging gun, which comprises a core piece body with a cavity inside, wherein the tail end of the core piece body is a liquid cooling cable connecting end communicated with the cavity; the side part of the core body is provided with a joint which is communicated with the cavity of the core body; a detachable flow guide piece is arranged in the cavity of the core piece body, a cooling liquid channel is arranged in the flow guide piece, one end of the cooling liquid channel is communicated with the joint, and the other end of the cooling liquid channel is communicated with the interior of the head end of the core piece body; a gap is arranged between the outer wall of the flow guide piece and the inner wall of the core piece body. The utility model also discloses a plug and the rifle that charges of adopting above-mentioned chipware. The utility model discloses can solve the contact site of the chipware body of rifle that charges and socket and generate heat the problem of gathering, can take away the heat that the contact site sent to make it bear bigger electric current, make simply, need not special technology and frock, save the cost, be fit for mass production.

Description

Charging gun and core piece with cooling liquid channel, plug and charging gun

Technical Field

The utility model relates to an electric automobile battery charging outfit field specifically is a rifle charges with chipware of taking coolant liquid passageway.

Background

The electric automobile charging gun in the prior art mostly uses the solid contact pin, along with the development of electric automobiles, the requirement on the charging speed is higher and higher, the current carrying capacity of the charging gun adopting the solid contact pin is insufficient, and the heating is serious under the condition of increasing the current. At present, some manufacturers research and develop hollow contact pins, the current carrying capacity of the contact pins is improved in a cooling mode, but the hollow contact pins are difficult to manufacture, high in cost and not suitable for market demands.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the defects in the prior art, the utility model provides a charging gun is with chip with cooling liquid channel.

The technical scheme is as follows: in order to solve the technical problem, the core piece with the cooling liquid channel for the charging gun of the utility model comprises a core piece body with a cavity inside, wherein the tail end of the core piece body is a liquid cooling cable connecting end communicated with the cavity; the side part of the core body is provided with a joint which is communicated with the cavity of the core body; a detachable flow guide piece is arranged in the cavity of the core piece body, a cooling liquid channel is arranged in the flow guide piece, one end of the cooling liquid channel is communicated with the joint, and the other end of the cooling liquid channel is communicated with the interior of the head end of the core piece body; a gap is arranged between the outer wall of the flow guide piece and the inner wall of the core piece body.

Furthermore, a positioning mechanism is arranged between the core body and the flow guide piece, and the positioning mechanism is used for fixing the position of the flow guide piece in the cavity of the core body. Therefore, the cooling liquid channel is not dislocated with the joint, and one end of the cooling liquid channel is communicated with the joint.

Further, the flow guide piece comprises 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 piece body.

Further, the positioning mechanism includes pin holes provided in the core member body and the positioning portion, respectively, and pins provided in the pin holes. The core piece body and the flow guide piece can be fixed by the pin, the cooling liquid channel of the flow guide piece is prevented from being dislocated with the joint, and the pin is detachable and convenient to replace and maintain.

Further, the connector is a right-angle connector. The coolant pipeline is convenient to insert, and the space occupied by the coolant pipeline can be reduced.

Further, the flow guide part is a plastic part. Thus, the manufacturing and molding are convenient, and the cost is low.

Further, still include temperature sensor, the head end of core body is equipped with heat conduction element, and temperature sensor and heat conduction element contact. Thus, the temperature of the charging gun core piece can be measured when the charging gun core piece is not in contact with the socket, and the temperature of the socket can be measured when the charging gun core piece is in contact with the socket.

Further, the temperature sensor is provided with an insulating shell, the head end of the core piece body is also provided with an insulating piece, the side wall of the heat conducting element is wrapped by the insulating piece, so that the heat conducting element is not in contact with the head end of the core piece body, and the head end of the heat conducting element is exposed out of the insulating piece.

Charging plug for rifle, including plug shell and chipware, the plug shell has the opening, in the opening was located to the chipware, the chipware adopts charging plug with the chipware of taking the coolant liquid passageway.

Rifle that charges, including the rifle plug that charges, the rifle plug that charges has the chipware, the chipware adopts the rifle that charges with the chipware of taking the coolant passage.

Has the advantages that: the utility model discloses a rifle charges with taking cooling liquid channel's chipware, plug and rifle that charges is provided with the cooling liquid channel in the water conservancy diversion piece, and inside the head end of chipware body was access to the other end of cooling liquid channel, can lead to the head end of chipware body inside like this with the coolant liquid to can directly reduce the heat that chipware body head end produced at the during operation. And, the utility model discloses a water conservancy diversion spare can be dismantled, convenient maintenance and change like this. Furthermore, the utility model discloses simple structure need not special technology and frock, can save the cost, is fit for mass production.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front sectional view of fig. 1.

Detailed Description

The technical solution of the present invention is further described in detail by the following embodiments with reference to the accompanying drawings.

The core with the cooling liquid channel for the charging gun as shown in the figures 1 and 2 comprises a core body 1 with a cavity inside, wherein the tail end of the core body 1 is a liquid cooling cable connecting end 11 communicated with the cavity; the side part of the core body 1 is provided with a joint 2, and the joint 2 is communicated with the cavity of the core body 1; a detachable flow guide part 4 is arranged in the cavity of the core body 1, a cooling liquid channel 41 is arranged in the flow guide part 4, one end of the cooling liquid channel 41 is communicated with the joint 2, and the other end of the cooling liquid channel is communicated with the inside of the head end of the core body 1, preferably, the joint 2 is a right-angle joint, so that a cooling liquid pipeline is conveniently connected, and the occupied space of the cooling liquid pipeline is reduced. A gap is arranged between the outer wall of the flow guide part 4 and the inner wall of the core body 1. The deflector 4 is detachable and may be implemented by any detachable structure, such as a bolt, a pin, etc. A positioning mechanism is arranged between the core body 1 and the flow guide piece 4 and is used for fixing the position of the flow guide piece 4 in the cavity of the core body 1, so that the cooling liquid channel 41 of the flow guide piece 4 is not dislocated with the joint 2. The flow guide 4 includes a flow guide portion 42 and a positioning portion 43, the coolant passage 41 is provided in the flow guide portion 42, and the positioning mechanism is provided between the positioning portion 43 and the core member body 1. The positioning mechanism includes pin holes provided in the core body 1 and the positioning portion 43, respectively, and a pin 3 provided in the pin hole. Preferably, the flow guide member 4 is a plastic member, and is formed by injection molding, so that the flow guide member is convenient to process and manufacture and has low cost.

The utility model discloses when using, be connected with the coolant liquid pipeline through connecting 2, the liquid cooling cable is connected to the liquid cooling cable connection end 11 of core body 1 for cavity becomes cooling circuit's a part in the core body 1. The cooling liquid enters the flow guide part 4 through the cooling liquid pipeline and the joint 2, is sprayed to the interior of the head end of the core piece body 1 through the cooling liquid channel 41 in the flow guide part 4, and then flows into the liquid cooling cable from the gap between the inner wall of the core piece body 1 and the outer wall of the flow guide part 4, so that the heat generated at the head end of the core piece body 1 is taken away, and the core piece body can bear larger current.

The core piece body 1 and the flow guide piece 4 are fixed by adopting a mode of matching the pin 3 with the pin hole, so that the dislocation of the flow guide piece 4 and the joint 2 is avoided, and the replacement and maintenance are convenient.

The core may further comprise a temperature sensor, the head end of the core body 1 being provided with a heat conducting element, the temperature sensor being in contact with the heat conducting element. The temperature sensor is provided with an insulating shell, the head end of the core body 1 is also provided with an insulating piece, the side wall of the heat conducting element is wrapped by the insulating piece, so that the heat conducting element is not in contact with the head end of the core body 1, and the head end of the heat conducting element is exposed out of the insulating piece.

The specific embodiment also discloses a plug for the charging gun, which comprises a plug outer shell and a core piece, wherein the plug outer shell is provided with an opening, the core piece is arranged in the opening, and the core piece is the core piece with the cooling liquid channel for the charging gun.

The specific embodiment also discloses a charging gun, which comprises a charging gun plug, wherein the charging gun plug is provided with a core piece, and the core piece adopts the core piece with the cooling liquid channel for the charging gun.

Claims

1. A core with a coolant passage for a charging gun, characterized in that: the core piece comprises a core piece body (1) with a cavity inside, wherein the tail end of the core piece body (1) is a liquid cooling cable connecting end (11) communicated with the cavity; the side part of the core piece body (1) is provided with a joint (2), and the joint (2) is communicated with the cavity of the core piece body (1); a detachable flow guide piece (4) is arranged in a cavity of the core piece body (1), a cooling liquid channel (41) is arranged in the flow guide piece (4), one end of the cooling liquid channel (41) is communicated with the joint (2), and the other end of the cooling liquid channel is led into the head end of the core piece body (1); a gap is arranged between the outer wall of the flow guide piece (4) and the inner wall of the core piece body (1).

2. The coolant channelled core for a charging gun as recited in claim 1, wherein: and a positioning mechanism is arranged between the core piece body (1) and the flow guide piece (4), and is used for fixing the position of the flow guide piece (4) in the cavity of the core piece body (1).

3. The coolant channelled core for a charging gun as recited in claim 2, wherein: the flow guide piece (4) comprises a flow guide part (42) and a positioning part (43), the cooling liquid channel (41) is arranged in the flow guide part (42), and the positioning mechanism is arranged between the positioning part (43) and the core piece body (1).

4. The coolant channelled core for a charging gun as recited in claim 3, wherein: the positioning mechanism comprises pin holes respectively arranged on the core piece body (1) and the positioning part (43), and pins (3) arranged in the pin holes.

5. The coolant channelled core for a charging gun as recited in claim 1, wherein: the joint (2) is a right-angle joint.

6. The coolant channelled core for a charging gun as recited in claim 1, wherein: the flow guide part (4) is a plastic part.

7. The coolant channelled core for a charging gun as recited in claim 1, wherein: the core piece body (1) is characterized by further comprising a temperature sensor, wherein a heat conducting element is arranged at the head end of the core piece body (1), and the temperature sensor is in contact with the heat conducting element.

8. The coolant channelled core for a charging gun as recited in claim 7, wherein: the temperature sensor is provided with an insulating shell, the head end of the core body (1) is also provided with an insulating piece, the side wall of the heat conducting element is wrapped by the insulating piece, so that the heat conducting element is not in contact with the head end of the core body (1), and the head end of the heat conducting element is exposed out of the insulating piece.

9. The utility model provides a plug for rifle charges which characterized in that: the charging gun core piece with the cooling liquid channel comprises a plug outer shell and a core piece, wherein the plug outer shell is provided with an opening, the core piece is arranged in the opening, and the core piece with the cooling liquid channel is adopted as the core piece with the cooling liquid channel for the charging gun in any one of claims 1-8.

10. A charging gun, its characterized in that: comprising a charging gun plug having a core member using the core member with a cooling liquid passage for a charging gun according to any one of claims 1 to 8.