CN215971152U - Charging terminal cooling device and charging gun - Google Patents

Abstract

The utility model relates to the technical field of direct current quick charging, and particularly discloses a charging terminal cooling device and a charging gun. Wherein the head cooling assembly comprises a cooling tube assembly connected to a charging terminal of the charging gun; the liquid input pipe is communicated with the inlet of the cooling pipe assembly, and the liquid output pipe is communicated with the outlet of the cooling pipe assembly. Can take away the heat of the production on the charging terminal through above-mentioned setting, and then reduce the temperature on the charging terminal, improve charge efficiency, reduce the risk of charging.

Description

Charging terminal cooling device and charging gun

Technical Field

The utility model relates to the technical field of direct current quick charging, in particular to a charging terminal cooling device and a charging gun.

Background

With the popularization of new energy electric vehicles, the development of the direct current quick charging technology becomes more and more important. The direct current charging gun is used as an important component part, and a plurality of mature products are available on the market at present. In order to improve the charging speed, shorten the charging time and improve the user experience, the charging current and the charging power of the direct current charging gun to the load must be increased.

However, during the charging process, a large amount of heat is generated at the charging terminal, the charging efficiency is reduced, and a large damage to the charging gun or even a fire occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a charging terminal cooling device and a charging gun, which are used for reducing the temperature of a charging terminal and avoiding fire.

In order to achieve the purpose, the utility model adopts the following technical scheme:

in one aspect, the present invention provides a charging terminal cooling device comprising:

a head cooling assembly including a cooling tube assembly connected to a charging terminal of a charging gun;

the liquid inlet pipe is communicated with the inlet of the cooling pipe assembly, and the liquid outlet pipe is communicated with the outlet of the cooling pipe assembly.

Preferably, the charging terminal is provided with a cooling groove, and the cooling pipe assembly is plugged in the cooling groove.

Preferably, the cooling groove is opened in the wiring end of the charging terminal and extends towards the insertion end of the charging terminal, and the cooling pipe assembly comprises a cooling long pipe inserted in the cooling groove.

Preferably, the lateral wall of charging terminal is equipped with the intercommunication the exit channel and the inlet channel of cooling bath, cooling tube subassembly still includes cooling inlet tube and cooling outlet pipe, cooling inlet tube one end stretches into inlet channel, communicate in the cooling long tube, the other end communicate in the liquid input tube, cooling outlet pipe one end stretches into exit channel, communicate in the cooling long tube, the other end communicate in the liquid output tube.

Preferably, the cooling tube assembly further comprises a first blocking piece and a second blocking piece, and two ends of the cooling long tube are respectively blocked by the first blocking piece and the second blocking piece.

Preferably, the cooling tube subassembly still includes the reposition of redundant personnel piece, the reposition of redundant personnel piece is located in the cooling length is intraductal, and is located the cooling inlet tube with between the cooling outlet pipe, the liquid in the cooling inlet tube is in the cooling length is intraductal to be walked around the reposition of redundant personnel piece back gets into the cooling outlet pipe.

Preferably, cooling long tube inner wall is equipped with two bar grooves relatively, the reposition of redundant personnel piece includes the flow distribution plate, insert respectively two the both sides of flow distribution plate in the bar groove, the flow distribution plate is kept away from cooling tank bottom one end with second shutoff piece butt, the other end with first shutoff piece interval sets up.

Preferably, one end of the cooling long pipe, which is far away from the bottom of the cooling tank, is provided with an internal thread, the second blocking piece comprises a stud, and the stud is screwed to the cooling long pipe and abuts against the flow distribution plate.

Preferably, the head cooling assembly further comprises a pipe joint, the cooling water inlet pipe is communicated with the liquid inlet pipe through one of the pipe joints, and the cooling water outlet pipe is communicated with the liquid outlet pipe through one of the pipe joints.

In another aspect, the present invention provides a charging gun including the charging terminal cooling device according to any one of the above aspects.

The utility model has the beneficial effects that:

the utility model provides a charging terminal cooling device and a charging gun, wherein the charging terminal cooling device comprises a head cooling assembly, a liquid input pipe and a liquid output pipe, wherein the head cooling assembly comprises a cooling pipe assembly, and the cooling pipe assembly is connected with a charging terminal of the charging gun; the liquid input pipe is communicated with the inlet of the cooling pipe assembly, and the liquid output pipe is communicated with the outlet of the cooling pipe assembly. The heat that produces on the terminal that charges can be taken away to above-mentioned setting, and then reduces the temperature on the terminal that charges, improves charge efficiency, reduces the risk of charging.

Drawings

FIG. 1 is a schematic structural diagram of a charging gun according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a head cooling assembly and an aft cooling assembly in an embodiment of the utility model;

FIG. 3 is a schematic view of a head cooling assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a charging terminal and cooling tube assembly according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a charging terminal according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an aft cooling assembly in an embodiment of the present invention;

FIG. 7 is a first schematic structural diagram of a junction box according to an embodiment of the present invention;

FIG. 8 is a second schematic structural view of a junction box according to an embodiment of the present invention;

fig. 9 is an exploded view of a connection box according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a cover in an embodiment of the utility model.

In the figure:

100. a charging terminal; 101. a cooling tank; 102. an inlet channel; 103. an outlet channel;

200. a cable; 201. a second conductive member;

1. a head cooling assembly; 11. a cooling tube assembly; 111. cooling the long tube; 112. cooling the water inlet pipe; 113. cooling the water outlet pipe; 114. a flow divider; 115. a first blocking member; 116. a second blocking member; 12. a pipe joint;

2. a tail cooling assembly; 21. a connection box; 201. a first channel; 202. a second channel; 203. a third channel; 211. a box body; 2111. a first evasion groove; 21111. a first lower seal groove; 2112. a second lower avoidance groove; 21121. a second lower seal groove; 2113. a third lower avoidance groove; 21131. a third lower seal groove; 2114. a lower mounting groove; 2115. a connecting member; 212. a cover body; 2121. a first upper avoidance groove; 21211. a first upper seal groove; 2122. a second upper avoidance groove; 21221. a second upper seal groove; 2123. clamping convex; 21231. a third upper seal groove; 2124. injecting holes; 2125. mounting a mounting groove; 2126. a positioning member; 213. a first seal member; 214. a second seal member; 215. a third seal member; 216. a seal ring; 22. a first conductive member; 221. connecting holes;

3. a liquid input tube;

4. a liquid outlet pipe;

5. a three-way pipe;

6. an input adapter;

7. and an output adapter.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Example one

As shown in fig. 1 to 10, the present embodiment provides a charging terminal cooling device including a head cooling module 1, a tail cooling module 2, a liquid inlet pipe 3, and a liquid outlet pipe 4. Wherein, the head cooling assembly 1 comprises a cooling pipe assembly 11, the cooling pipe assembly 11 is connected with a charging terminal 100 of the charging gun; the tail cooling module 2 includes a connection box 21 and a first conductive member 22, one end of the first conductive member 22 is disposed in the connection box 21, the cable 200 connected to the charging terminal 100 is connected to the first conductive member 22 in the connection box 21, and the other end of the first conductive member 22 is connected to an external power source, thereby electrically connecting the charging terminal 100 to the charging pile. The liquid inlet pipe 3 passes through the connection box 21 and is communicated with the inlet of the cooling pipe assembly 11, and the liquid outlet pipe 4 is communicated with the outlet of the cooling pipe assembly 11.

In this embodiment, can take away the heat that produces on cable 200 and external power supply link and the charging terminal 100 through above-mentioned setting, and then reduce the temperature on cable 200 connects department and the charging terminal 100, improve charge efficiency, reduce the risk of charging.

Optionally, the charging terminal 100 is provided with a cooling groove 101, and the cooling tube assembly 11 is plugged into the cooling groove 101. This setting can take out the heat of charging terminal 100 from inside, and does not influence the exterior structure of charging terminal 100, need not carry out the improved design to the exterior structure of charging terminal 100, and then has avoided carrying out the improved design to the interface that charges with charging terminal 100 complex, has reduced the technological improvement cost. In addition, the cooling pipe assembly 11 is arranged in the cooling tank 101, and the cooling pipe assembly 11 can be protected from being damaged.

In this embodiment, the cooling slot 101 is opened at the terminal of the charging terminal 100 and extends toward the plugging end of the charging terminal 100, the cooling slot 101 is long, the opening of the cooling slot 101 is disposed at the terminal of the charging terminal 100, and the cooling tube assembly 11 includes a cooling long tube 111, and the cooling long tube 111 is plugged into the cooling slot 101. With the arrangement of the above structure, the efficiency of insertion of the cooling pipe assembly 11 and the cooling bath 101 is facilitated to be improved.

Further, the side wall of the charging terminal 100 is provided with an outlet channel 103 and an inlet channel 102 which are communicated with the cooling groove 101, the cooling tube assembly 11 further comprises a cooling water inlet tube 112 and a cooling water outlet tube 113, one end of the cooling water inlet tube 112 extends into the inlet channel 102 and is communicated with the cooling long tube 111, the other end of the cooling water inlet tube is communicated with the liquid input tube 3, one end of the cooling water outlet tube 113 extends into the outlet channel 103 and is communicated with the cooling long tube 111, and the other end of the cooling water outlet tube is communicated with the liquid output tube 4. On one hand, the cooling long pipe 111 can be clamped in the cooling tank 101 through the cooling water inlet pipe 112 and the cooling water outlet pipe 113; on the other hand, the connection between the liquid inlet pipe 3 and the liquid outlet pipe 4 is facilitated. Alternatively, the cooling water inlet pipe 112 and the cooling water outlet pipe 113 may be screwed, welded or integrally formed with the cooling long pipe 111.

Preferably, the cooling tube assembly 11 further includes a flow dividing member 114, the flow dividing member 114 is disposed in the long cooling tube 111 and located between the cooling water inlet tube 112 and the cooling water outlet tube 113, and the liquid in the cooling water inlet tube 112 enters the cooling water outlet tube 113 after bypassing the flow dividing member 114 in the long cooling tube 111. The diversion member 114 is provided to extend the flow path of the cooling liquid in the cooling long tube 111, and to enlarge the contact area between the flowing liquid and the cooling long tube 111, thereby improving the cooling effect of the charging terminal 100.

Optionally, the cooling tube assembly 11 further comprises a first blocking piece 115 and a second blocking piece 116, and both ends of the cooling long tube 111 are blocked by the first blocking piece 115 and the second blocking piece 116 respectively. This setting makes cooling long tube 111 can be long tube-shape, has improved production efficiency, has reduced manufacturing cost.

Regarding the installation manner of the flow divider 114, in this embodiment, optionally, the inner wall of the cooling long tube 111 is relatively provided with two strip-shaped grooves, the flow divider 114 includes a flow divider, two sides of the flow divider are respectively inserted into the two strip-shaped grooves, one end of the flow divider far away from the bottom of the cooling tank 101 abuts against the second blocking piece 116, and the other end is spaced from the first blocking piece 115. This arrangement maximizes the flow path of the liquid within long cooling tube 111.

Preferably, the first blocking member 115 and the long cooling tube 111 are integrally formed, and the second blocking member 116 and the long cooling tube 111 are screwed or clamped. Specifically, an internal thread is provided at an end of the long cooling tube 111 away from the bottom of the cooling tank 101, and the second blocking member 116 includes a stud screwed to the long cooling tube 111 and abutting against the flow distribution plate. Optionally, a gasket is provided between the stud and the diverter plate. The gasket is preferably a rubber gasket.

Of course, in other embodiments of the present embodiment, the cooling tube assembly 11 may also be disposed outside the charging terminal 100. Specifically, an annular groove is provided at the periphery of the charging terminal 100, and the cooling tube assembly 11 is fitted in the annular groove.

The head cooling module 1 further comprises a pipe joint 12, the cooling water inlet pipe 112 is communicated with the liquid inlet pipe 3 through a pipe joint 12, and the cooling water outlet pipe 113 is communicated with the liquid outlet pipe 4 through a pipe joint 12. This setting can improve the coupling efficiency of cooling inlet tube 112 and liquid inlet tube 3 and the coupling efficiency of cooling outlet pipe 113 and liquid output pipe 4, and can change alone after pipe joint 12 damages, reduces the operating frequency to cooling inlet tube 112 and cooling outlet pipe 113, has improved the life of cooling inlet tube 112 and cooling outlet pipe 113.

Regarding the structure of the connection box 21, in this embodiment, optionally, the connection box 21 includes a box body 211 and a cover body 212, the box body 211 is respectively provided with a first lower avoidance groove 2111 and a second lower avoidance groove 2112, and the cover body 212 is respectively provided with a first upper avoidance groove 2121 and a second upper avoidance groove 2122; the box body 211 and the cover body 212 are buckled to form a mounting cavity, and the first lower avoidance groove 2111 and the first upper avoidance groove 2121 form a first channel 201; the second lower avoidance groove 2112 and the second upper avoidance groove 2122 form a second channel 202; the cable 200 enters the installation cavity through a first passage 201 and the liquid inlet tube 3 passes from a second passage 202 into the installation cavity and out of the first passage 201. The arrangement of the above structure facilitates the installation of the cable 200 and the liquid inlet pipe 3, and the maintenance after the cable 200 and the liquid inlet pipe 3 are detached from the connection box 21.

Alternatively, one of the case body 211 and the cover body 212 is provided with a third lower avoidance groove 2113, and the other is provided with a catching protrusion 2123, and preferably, the case body 211 is provided with the third lower avoidance groove 2113, and the cover body 212 is provided with the catching protrusion 2123. After the box body 211 and the cover body 212 are buckled, the blocking protrusion 2123 is blocked in the third lower avoiding groove 2113, and a third channel 203 is defined by the blocking protrusion 2123, the third lower avoiding groove 2113, the box body 211 and the cover body 212; the height of the third channel 203 is lower than the height of the first channel 201, and the first conductor 22 partially penetrates the third channel 203. This arrangement allows the position of first conductive member 22 in third channel 203 to not obstruct liquid inlet tube 3, facilitating the completion of the liquid inlet tube 3 placement. Optionally, the liquid input tube 3 is attached to one side of the first conductive member 22. Preferably, the portion of the liquid inlet tube 3 contacting the first conductive member 22 has a flat structure, so as to increase the contact area with the first conductive member 22 and improve the cooling effect on the first conductive member 22. Optionally, the first conductive member 22 is a copper sheet.

Alternatively, each charging terminal 100 is provided with one cooling pipe assembly 11 and one liquid inlet pipe 3, and each first conductive member 22 is provided with one connection box 21. This arrangement enables heat generated from each charging terminal 100 to be carried away by the cooling tube assembly 11, and heat generated from the terminal of the cable 200 to be carried away by the cooling tube assembly 11.

The junction box 21 further comprises a first seal 213, a second seal 214 and a third seal 215, the first seal 213, the second seal 214 and the third seal 215 being for sealing the first channel 201, the second channel 202 and the third channel 203, respectively. This arrangement enables the sealing effect of the first passage 201, the second passage 202 and the third passage 203.

In this embodiment, specifically, the groove bottom and the two side groove walls of the first lower avoidance groove 2111 are provided with first lower seal grooves 21111, and the groove bottom and the two side groove walls of the first upper avoidance groove 2121 are provided with first upper seal grooves 21211; a second lower sealing groove 21121 is formed at the groove bottom and the groove walls at two sides of the second lower avoidance groove 2112, and a second upper sealing groove 21221 is formed at the groove bottom and the groove walls at two sides of the second upper avoidance groove 2122; a third lower sealing groove 21131 is formed at the groove bottom and the groove walls at the two sides of the third lower avoidance groove 2113, and a third upper sealing groove 21231 is formed at one end of the blocking protrusion 2123 close to the groove bottom of the third lower avoidance groove 2113. After the cover 212 is covered on the box body 211, the first lower seal groove 21111 and the first upper seal groove 21211 form a first seal cavity; second lower seal groove 21121 and second upper seal groove 21221 form a second seal cavity; third lower seal groove 21131 and third upper seal groove 21231 form a third seal cavity; a first seal 213, a second seal 214 and a third seal 215 are installed in the first seal chamber, the second seal chamber and the third seal chamber, respectively.

Further, the connection box 21 further includes a sealing ring 216, and a lower mounting groove 2114 is provided on a side where the box body 211 and the cover body 212 contact; an upper mounting groove 2125 is formed at one side of the cover 212 contacting the box 211; when the cover 212 is covered on the box body 211, the lower mounting groove 2114 and the upper mounting groove 2125 form an annular channel, the annular channel is sequentially communicated with the first channel 201, the second channel 202 and the third channel 203, and the sealing ring 216 is embedded in the annular channel.

Further, the first sealing member 213 is circumferentially provided with a first annular mounting groove, the second sealing member 214 is circumferentially provided with a second annular mounting groove, and the third sealing member 215 is circumferentially provided with a third annular mounting groove. This arrangement allows the seal rings 216 to be inserted into the first, second and third annular mounting grooves at the first, second and third passages 201, 202 and 203, respectively. The sealing performance of the installation cavity is further guaranteed by the arrangement.

Optionally, the other end of the first conductive member 22 is provided with a connection hole 221; the first conductive member 22 is connected to an external power source through the connection hole 221. The arrangement facilitates the wire of the external power source to be tied to the first conductive member 22 after passing through the connection hole 221, so that the connection is more secure.

Optionally, the charging terminal cooling device further includes a second conductive member 201, one end of the second conductive member 201 is connected to the cable 200, and the other end is connected to the first conductive member 22. Preferably, the second conductive member 201 and the cable 200 may be welded or thermally fused, but not limited thereto. The second conductive member 201 and the first conductive member 22 may be welded or thermally fused, but not limited thereto.

Preferably, the cover 212 is provided with a filling hole 2124, and glue can be filled into the mounting cavity from the filling hole 2124 to seal the connection between the cable 200 and the second conductive member 201 and the connection between the second conductive member 201 and the first conductive member 22, so as to achieve the functions of water resistance, moisture resistance and shock resistance.

Alternatively, the case 211 and the cover 212 are coupled by screws. Specifically, the box 211 has a connecting element 2115, the cover 212 has a positioning element 2126, the positioning element 2126 has a positioning slot, when the cover 212 is covered on the box 211, the connecting element 2115 can be inserted into the positioning slot, and the screw passes through the positioning element 2126 and is screwed on the connecting element 2115.

In use, the charging terminal 100 is generally provided with two terminals, which correspond to the positive and negative poles of the power supply. In this embodiment, to cool the two charging terminals 100, optionally, the head cooling assembly 1 includes two cooling assemblies for cooling the two charging terminals 100 through the two liquid input pipes 3 and the liquid output pipe 4, respectively, and the tail cooling assembly 2 includes two cooling assemblies for cooling the two first conductive members 22 through the two liquid input pipes 3, respectively.

In order to optimize the arrangement path of the pipelines and reduce the number of the pipelines, in this embodiment, preferably, the charging terminal cooling device further includes a three-way pipe 5, an input adapter 6 and an output adapter 7, and the two liquid input pipes 3 are communicated with the input adapter 6 through the three-way pipe 5; the two liquid output pipes 4 are communicated with an output adapter 7 through another three-way pipe 5. This setting can reduce pipeline quantity, and whole charging terminal cooling device compact structure, reduce cost.

Alternatively, two cables 200 are connected in parallel to each charging terminal 100. This arrangement makes it possible to improve the risk resistance of the apparatus without affecting the function of the charging terminal 100 when one cable 200 is damaged. In this embodiment, three first passages 201 are provided, two cables 200 of each charging terminal 100 pass through the first passages 201 on both sides, and the liquid inlet pipe 3 passes through the first passage 201 in the middle.

Further, two cables 200 connected to the same charging terminal 100 are interposed on both sides of one liquid inlet pipe 3. This arrangement also enables full cooling of the cable 200. The liquid inlet pipe 3 is made of copper.

Example two

The embodiment also provides a charging gun, which comprises the charging terminal cooling device in the scheme.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A charging terminal cooling device, comprising:

a head cooling assembly (1), the head cooling assembly (1) comprising a cooling tube assembly (11), the cooling tube assembly (11) being connected to a charging terminal (100) of a charging gun;

liquid input pipe (3) and liquid output pipe (4), liquid input pipe (3) communicate in the entry of cooling tube subassembly (11), liquid output pipe (4) communicate in the export of cooling tube subassembly (11).

2. The charging terminal cooling device according to claim 1, wherein the charging terminal (100) is provided with a cooling groove (101), and the cooling pipe assembly (11) is inserted into the cooling groove (101).

3. The charging terminal cooling device according to claim 2, wherein the cooling slot (101) is opened to the terminal end of the charging terminal (100) to extend toward the insertion end of the charging terminal (100), and the cooling pipe assembly (11) includes a long cooling pipe (111), and the long cooling pipe (111) is inserted into the cooling slot (101).

4. The charging terminal cooling device according to claim 3, wherein the side wall of the charging terminal (100) is provided with an outlet channel (103) and an inlet channel (102) which are communicated with the cooling groove (101), the cooling pipe assembly (11) further comprises a cooling water inlet pipe (112) and a cooling water outlet pipe (113), one end of the cooling water inlet pipe (112) extends into the inlet channel (102) and is communicated with the cooling long pipe (111), the other end of the cooling water inlet pipe is communicated with the liquid input pipe (3), one end of the cooling water outlet pipe (113) extends into the outlet channel (103) and is communicated with the cooling long pipe (111), and the other end of the cooling water outlet pipe is communicated with the liquid output pipe (4).

5. The charging terminal cooling device according to claim 4, wherein the cooling tube assembly (11) further comprises a first blocking piece (115) and a second blocking piece (116), and both ends of the cooling long tube (111) are blocked by the first blocking piece (115) and the second blocking piece (116), respectively.

6. The charging terminal cooling device according to claim 5, wherein the cooling tube assembly (11) further comprises a flow dividing member (114), the flow dividing member (114) is disposed in the cooling long tube (111) and located between the cooling water inlet tube (112) and the cooling water outlet tube (113), and the liquid in the cooling water inlet tube (112) bypasses the flow dividing member (114) in the cooling long tube (111) and then enters the cooling water outlet tube (113).

7. The charging terminal cooling device according to claim 6, wherein the inner wall of the long cooling pipe (111) is provided with two opposite grooves, the shunt member (114) comprises a shunt plate, two sides of the shunt plate are respectively inserted into the two grooves, one end of the shunt plate away from the bottom of the cooling tank (101) abuts against the second blocking member (116), and the other end of the shunt plate is spaced from the first blocking member (115).

8. The charging terminal cooling device according to claim 7, wherein an end of the long cooling pipe (111) away from the bottom of the cooling tank (101) is provided with an internal thread, and the second blocking member (116) comprises a stud screwed to the long cooling pipe (111) and abutting against the splitter plate.

9. Charging terminal cooling device according to any of claims 4-8, characterized in that the head cooling assembly (1) further comprises a pipe connection (12), the cooling inlet pipe (112) being in communication with the liquid inlet pipe (3) via one of the pipe connections (12), and the cooling outlet pipe (113) being in communication with the liquid outlet pipe (4) via one of the pipe connections (12).

10. A charging gun comprising the charging terminal cooling device according to any one of claims 1 to 9.

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