CN-224217769-U - Charging gun and charging equipment

Abstract

The utility model relates to the technical field of new energy, and discloses a charging gun and charging equipment. Wherein the charging gun includes a gun housing, at least two pins, and at least two cooling assemblies. The cooling assemblies are in one-to-one correspondence with the pins, are attached to the side walls of the first ends of the pins and are detachably connected with the pins, and are provided with cooling cavities for circulating cooling media and used for cooling the pins. Wherein, cooling module can dismantle and connect in the contact pin, be convenient for maintain cooling module, cooling module laminating in the lateral wall of the first end of contact pin to make between cooling module and the contact pin can carry out heat transfer, the cooling medium of cooling intracavity circulation can cool off the contact pin. According to the utility model, each pin corresponds to one cooling component, and each pin is independently cooled, so that a plurality of pins are guaranteed to be uniformly cooled, the cooling efficiency of all pins is improved, and the product quality and the service life of the charging gun are improved.

Inventors

• SHEN XIANGFENG
• LIN PEIQUAN
• TANG XINGRAN
• LINGHU YUNBO

Assignees

• 立讯精密工业(江苏)有限公司

Dates

Publication Date

20260508

Application Date

20250603

Claims (10)

1. 1. A charging gun, comprising: a gun case (1); At least two contact pins (2), wherein the contact pins (2) are arranged in the gun shell (1), and the contact pins (2) are provided with a first end and a second end which are oppositely arranged; At least two cooling module (3), cooling module (3) with contact pin (2) one-to-one, cooling module (3) laminate in the lateral wall of the first end of contact pin (2), just cooling module (3) detachable connect in contact pin (2), cooling module (3) are provided with cooling chamber (33) that are used for circulating cooling medium, cooling module (3) are used for the cooling contact pin (2).
2. 2. The charging gun according to claim 1, characterized in that the first end of the pin (2) is provided with a planar portion (21), the cooling assembly (3) is provided with a heat conducting plate (31), and the heat conducting plate (31) is attached to the planar portion (21).
3. 3. The charging gun according to claim 2, characterized in that the cooling assembly (3) further comprises a cover (32), an opening is arranged on one side of the cover (32) close to the pin (2), and the heat conducting plate (31) is connected to the opening in a sealing manner, so that the cooling cavity (33) is formed between the cover (32) and the heat conducting plate (31).
4. 4. A charging gun according to claim 3, characterized in that a sealing ring (34) is arranged between the cover (32) and the heat-conducting plate (31).
5. 5. The charging gun according to claim 2, characterized in that the heat conducting plate (31) is made of ceramic material.
6. 6. A charging gun according to claim 3, wherein the cover body (32) is provided with a plurality of first through holes (321), the heat conducting plate (31) is provided with a plurality of second through holes (311), the plane part (21) is provided with a plurality of first threaded holes (211), the first through holes (321), the second through holes (311) and the first threaded holes (211) are in one-to-one correspondence, and bolts (35) are arranged through the first through holes (321), the second through holes (311) and are in threaded connection with the first threaded holes (211).
7. 7. The charging gun according to claim 1, further comprising a liquid cooling cable (4), wherein the liquid cooling cable (4) comprises a plurality of water pipes (41) and conductive wires (42) wrapped on the water pipes (41), the cooling cavity (33) is provided with a water inlet and a water outlet, the water pipes (41) are respectively communicated with the water inlet and the water outlet, and the conductive wires (42) are electrically connected with the contact pin (2).
8. 8. The charging gun according to any one of claims 1-7, further comprising a press block (6), wherein the cooling assemblies (3) are symmetrically arranged on both sides of the press block (6), the pins (2) are connected to one side of the cooling assemblies (3) facing away from the press block (6), a containing cavity is formed between the press block (6) and the inner wall of the gun case (1), and the first ends of the pins (2) and the cooling assemblies (3) are located in the containing cavity.
9. 9. The charging gun according to any one of claims 1-7, further comprising a gun head (7) and an anti-touch cap (8), wherein the gun head (7) is connected with the gun housing (1), the second end of the pin (2) is located in the gun head (7), a second threaded hole is formed in an end face of the second end of the pin (2), and the anti-touch cap (8) is in threaded connection with the second threaded hole.
10. 10. A charging apparatus comprising a charging gun according to any one of claims 1 to 9.

Description

Charging gun and charging equipment Technical Field The utility model relates to the technical field of new energy, in particular to a charging gun and charging equipment. Background At the moment of rapid development of electric vehicles, charging efficiency and safety become key considerations. The charging gun is used as an important part for connecting the electric automobile and the charging pile, and the performance of the charging gun directly influences the stability and the reliability of the charging process. Prior art charging guns are typically configured with a plurality of pins that are responsible for transmitting power during charging, assuming critical tasks. Along with the continuous increase of the charging power, the contact pin can generate a large amount of heat in the working process. If heat cannot be timely emitted, the temperature of the contact pin is rapidly increased, so that the aging of the contact pin material is accelerated, the service life of the contact pin is shortened, potential safety hazards are possibly caused, and serious consequences such as insulation performance reduction and even fire disaster are possibly caused due to overheating. In order to solve the problem, a cooling mechanism is arranged in a part of the charging gun at present, and a cooling flow channel is formed in the cooling mechanism, so that a cooling medium circularly flows in the flow channel to achieve the purpose of cooling a plurality of pins. However, this cooling approach has significant drawbacks. Because the cooling medium cools the pins in turn, the cooling medium can continuously absorb the heat of the pins in the cooling process, and the temperature of the cooling medium gradually rises. When the cooling medium reaches the last contact pin, the temperature of the cooling medium is relatively high, the cooling capacity is greatly reduced, the last contact pin cannot be effectively cooled, the temperature is obviously higher than that of other contact pins, and the overall cooling effect is poor. Based on this, a charging gun and a charging apparatus are needed to solve the above-mentioned problems. Disclosure of utility model Based on the above, the utility model aims to provide a charging gun and a charging device, wherein each plug corresponds to a cooling component, each pin is independently cooled, uniform cooling of a plurality of pins is ensured, cooling efficiency of all pins is improved, and product quality and service life of the charging gun are improved. In order to achieve the above purpose, the utility model adopts the following technical scheme: In one aspect, there is provided a charging gun comprising: A gun housing; at least two pins, wherein the pins are arranged in the gun shell and are provided with a first end and a second end which are oppositely arranged; At least two cooling module, cooling module with the contact pin one-to-one, cooling module laminate in the lateral wall of the first end of contact pin, just cooling module can dismantle connect in the contact pin, cooling module is provided with the cooling chamber that is used for circulating cooling medium, cooling module is used for the cooling the contact pin. As a preferable technical scheme of the charging gun, the first end of the contact pin is provided with a plane part, the cooling assembly is provided with a heat conducting plate, and the heat conducting plate is attached to the plane part. As a preferred technical scheme of the charging gun, the cooling assembly further comprises a cover body, an opening is formed in one side, close to the contact pin, of the cover body, and the heat conducting plate is connected to the opening in a sealing mode, so that a cooling cavity is formed between the cover body and the heat conducting plate. As a preferable technical scheme of the charging gun, a sealing ring is arranged between the cover body and the heat conducting plate. As a preferable technical scheme of the charging gun, the heat conducting plate is made of ceramic materials. As a preferable technical scheme of the charging gun, the cover body is provided with a plurality of first through holes, the heat conducting plate is provided with a plurality of second through holes, the plane part is provided with a plurality of first threaded holes, the first through holes, the second through holes and the first threaded holes are in one-to-one correspondence, and bolts penetrate through the first through holes, the second through holes and are in threaded connection with the first threaded holes. As an optimized technical scheme of the charging gun, the charging gun further comprises a liquid cooling cable, the liquid cooling cable comprises a plurality of water pipes and conductive wires wrapped on the water pipes, the cooling cavity is provided with a water inlet and a water outlet, the water pipes are respectively communicated with the water inlet and the water outlet, and the conductive wires are electric