CN116259995A

CN116259995A - Liquid cooling terminal

Info

Publication number: CN116259995A
Application number: CN202310077410.5A
Authority: CN
Inventors: 倪泉; 许公杰
Original assignee: Huizhou Nisoco Connection Technology Co ltd
Current assignee: Huizhou Nisoco Connection Technology Co ltd
Priority date: 2023-01-15
Filing date: 2023-01-15
Publication date: 2023-06-13
Anticipated expiration: 2043-01-15
Also published as: CN116259995B

Abstract

The invention discloses a liquid cooling terminal, comprising: the socket comprises two contact pin assemblies, two socket assemblies and a conducting piece, wherein the two contact pin assemblies are respectively connected with the two socket assemblies, and the conducting piece is connected with the two socket assemblies; the contact pin assembly is provided with a first flow passage, the socket assembly is provided with a second flow passage, the conducting piece is provided with a third flow passage, the first flow passage is communicated with the second flow passage, and the third flow passage is communicated with the second flow passage. By arranging the first flow channel, the second flow channel and the third flow channel, after the pin assembly is connected with the socket assembly and works, cooling liquid flows in from one first flow channel, flows through the second flow channel and the third flow channel in sequence, flows into the other second flow channel and the first flow channel in sequence, and finally flows out of the first flow channel to form circulation of the cooling liquid; therefore, after the current is increased, the generated heat can be timely taken out through the cooling liquid, heat dissipation is realized, the influence caused by heat accumulation and temperature rise is avoided, and the service lives of the pin assembly and the socket assembly are prolonged.

Description

Liquid cooling terminal

Technical Field

The invention relates to the technical field of charging, in particular to a liquid cooling terminal.

Background

With the rapid development of new energy, the current electric vehicles are also rapidly advancing, and all the large brands produce electric vehicles in succession, and under the strong support of the country, the electric vehicles are also becoming more and more common. The cruising ability of electric vehicles is always focused, and is limited to materials and spaces, and the number of continuous driving kilometers of common electric vehicles is similar; besides the requirement on the cruising, the consumer also puts forward higher requirements on the charging speed, so that the consumer hopes to fully charge the electric quantity of the automobile in a short time to avoid influencing normal use, but the current charging gun and charging seat have the structural size required to be difficult to modify, so that if the charging speed needs to be accelerated, the current during charging must be increased, but the generated heat is also increased along with the increase of the current, so that transitional heating is caused, and further the service life of the charging gun and the charging seat is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a liquid cooling terminal.

The invention discloses a liquid cooling terminal, comprising: the socket comprises two contact pin assemblies, two socket assemblies and a conducting piece, wherein the two contact pin assemblies are respectively connected with the two socket assemblies, and the conducting piece is connected with the two socket assemblies; the contact pin assembly is provided with a first flow passage, the socket assembly is provided with a second flow passage, the conducting piece is provided with a third flow passage, the first flow passage is communicated with the second flow passage, and the third flow passage is communicated with the second flow passage;

the cooling liquid enters the first flow passage of one pin assembly and flows to the second flow passage of one socket assembly, flows into the second flow passage of the other socket assembly through the third flow passage, and flows into the first flow passage of the other pin assembly.

According to one embodiment of the present invention, the pin assembly includes a first connection base, a needle and a first reed, the needle is disposed on the first connection base, the first reed is disposed between the first connection base and the needle, and the needle is connected with the socket assembly.

According to one embodiment of the invention, the first connecting seat is provided with a first groove body, a second groove body, a third groove body and a liquid outlet, the first groove body is positioned at one end of the first connecting seat far away from the needle head, the second groove body is communicated with the third groove body, one end of the needle head is arranged in the second groove body, the first reed is positioned in the third groove body, and the liquid outlet is communicated with the second groove body; the needle head is provided with a first channel which is communicated with the second groove body.

According to an embodiment of the present invention, the pin assembly further includes a first protective sleeve disposed at an end of the needle distal from the first connection base; the first protective sleeve has a second passage in communication with the first passage.

According to one embodiment of the invention, the needle is screwed with the first connecting seat.

According to an embodiment of the invention, the socket assembly comprises a second connecting seat, a second reed and a second protection sleeve, wherein the second reed is sleeved on the second connecting seat, the second protection sleeve is sleeved on the second reed, and the second connecting seat and the second reed are connected with the pin assembly.

According to an embodiment of the present invention, the socket assembly further includes a third spring, and the third spring is located between the second connection base and the pin assembly.

According to an embodiment of the present invention, the socket assembly further includes a gasket disposed between the second connection socket and the pin assembly.

According to an embodiment of the present invention, the socket assembly further includes a gland, and the gland is connected to the second reed and the second protection sleeve.

According to an embodiment of the invention, the conducting member is made of an insulating material.

The invention has the beneficial effects that: by arranging the first flow channel, the second flow channel and the third flow channel, after the pin assembly is connected with the socket assembly and works, cooling liquid flows in from one first flow channel, flows through the second flow channel and the third flow channel in sequence, flows into the other second flow channel and the first flow channel in sequence, and finally flows out of the first flow channel to form circulation of the cooling liquid; therefore, after the current is increased, the generated heat can be timely taken out through the cooling liquid, heat dissipation is realized, the influence caused by heat accumulation and temperature rise is avoided, and the service lives of the pin assembly and the socket assembly are prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a perspective view of a liquid cooled terminal;

FIG. 2 is a cross-sectional view of a liquid cooled terminal;

FIG. 3 is a split view of a liquid cooled terminal;

FIG. 4 is a perspective view of a pin assembly;

fig. 5 is a perspective view of the receptacle assembly;

fig. 6 is a perspective view of the gland.

Reference numerals illustrate:

1-a pin assembly; 11-a first flow channel; 12-a first connection base; 121-a first tank; 122-a second tank; 123-a third groove body; 124-liquid discharge port; 13-a needle; 131-first channel; 14-a first reed; 15-a first protective sheath; 151-a second channel;

a 2-socket assembly; 21-a second flow channel; 22-a second connection base; 23-a second reed; 24-a second protective sleeve; 25-a third reed; 26-a gasket; 27-capping;

3-conducting members; 31-a third flow channel;

4-sealing rings.

Detailed Description

Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

As shown in fig. 1-3, fig. 1 is a perspective view of a liquid-cooled terminal; FIG. 2 is a cross-sectional view of a liquid cooled terminal; fig. 3 is a split view of the liquid-cooled terminal. The liquid cooling terminal comprises two contact pin assemblies 1, two socket assemblies 2 and a conducting piece 3, wherein the two contact pin assemblies 1 are respectively connected with the two socket assemblies 2, and the conducting piece 3 is connected with the two socket assemblies 2; when the charging gun is specifically applied, the contact pin assemblies 1 are arranged on the charging gun, the socket assemblies 2 are arranged on the vehicle, the two contact pin assemblies 1 are respectively connected with the positive electrode and the negative electrode of the power supply, and the charging can be performed after the contact pin assemblies are connected with the two socket assemblies 2. The pin assembly 1 is provided with a first flow passage 11, the socket assembly 2 is provided with a second flow passage 21, the conducting piece 3 is provided with a third flow passage 31, the first flow passage 11, the second flow passage 21 and the third flow passage 31 are communicated, cooling liquid is injected into the first flow passage 11 on one pin assembly 1, the cooling liquid in the first flow passage 11 sequentially flows through the second flow passage 21 and the third flow passage 31, and sequentially flows into the second flow passage 21 of the other socket assembly 2 and the first flow passage 11 of the other pin assembly 1 through the third flow passage 31, finally flows out, and the cooling liquid is circulated in the pin assembly 1 and the socket assembly 2 for one circle to carry heat out.

Referring again to fig. 4, fig. 4 is a perspective view of the pin assembly 1. The contact pin assembly 1 comprises a first connecting seat 12, a needle 13 and a first reed 14, wherein the needle 13 is arranged in the first connecting seat 12, the first reed 14 is sleeved at one end of the needle 13, and the first reed 14 is arranged in the area between the first connecting seat 12 and the needle 13. In a specific application, the first connecting seat 12 has a first groove 121, a second groove 122, a third groove 123 and a liquid outlet 124, wherein the first groove 121 is located at one end of the first connecting seat 12 and is used for connecting a power line; the first groove body 121, the second groove body 122 and the third groove body 123 are arranged along the same direction, the second groove body 122 is communicated with the third groove body 123, one end of the needle 13 and the first reed 14 are both positioned in the second groove body 122, and the current of the first connecting seat 12 flows to the needle 13 through the first reed 14; the drain port 124 communicates with the second tank 122. Specifically, the needle 13 is in threaded connection with the second groove 122, so that the assembly and the disassembly are convenient. The needle 13 has a first channel 131, the first channel 131 is communicated with the second groove 122, the cooling liquid enters the second groove 122 from the liquid outlet 124, and then flows into the first channel 131 from the second groove 122, in order to prevent the cooling liquid from flowing out between the side wall of the second groove 122 and the outer wall of the needle 13, a sealing ring 4 can be sleeved outside the needle 13, and the opening of the second groove 122 is sealed by the sealing ring 4. Further, the contact pin assembly 1 further includes a first protective sleeve 15, the first protective sleeve 15 is disposed at one end of the needle 13 far away from the second groove 122, and the risk of electric shock caused by extending the fingers of a person into the first channel 131 can be avoided through the first protective sleeve 15. The first protective sheath 15 has a second channel 151, the first channel 131 communicating with the second channel 151 for the transfer of the cooling liquid. Furthermore, in order to improve the connection firmness between the first protective sleeve 15 and the needle 13, a sealing ring 4 is additionally arranged at the connection part between the first protective sleeve 15 and the needle 13.

Referring again to fig. 5 and 6, fig. 5 is a perspective view of the socket assembly 2; fig. 6 is a perspective view of the gland 27. The socket assembly 2 comprises a second connecting seat 22, a second reed 23 and a second protective sleeve 24, wherein the second connecting seat 22 is connected with one end of the needle 13 far away from the second groove 122, the second reed 23 is arranged on the second connecting seat 22, the second reed 23 is connected with the needle 13, the second protective sleeve 24 is arranged on the outer surface of the second reed 23, the current of the needle 13 is transmitted to the second connecting seat 22 through the second reed 23, and then the current is led into the vehicle through the second connecting seat 22. In specific applications, the structure of the second connecting seat 22 is the same as that of the first connecting seat 12, and will not be described again. Further, a third reed 25 is further arranged at the connection part of the needle 13 and the second connecting seat 22, namely, the third reed 25 is positioned between the needle 13 and the second connecting seat 22. By the arrangement of the third reed 25, the contact area between the needle 13 and the second connecting seat 22 is increased, and the temperature rise is reduced. In addition, the connection part between the needle 13 and the second connecting seat 22 can be provided with a sealing gasket 26, namely the sealing gasket 26 is positioned between the needle 13 and the second connecting seat 22, and the sealing property can be improved through the arrangement of the sealing gasket 26, so that the outflow of the cooling liquid during the transmission is avoided. The third reed 25 and the gasket 26 may be used alternatively. Further, the socket assembly 2 further includes a pressing cover 27, and the pressing cover 27 is connected to the second reed 23 and the second protection sleeve 24, and the pressing cover 27 connects the second reed 23 and the second protection sleeve 24, so that the second reed 23 can be fixed on the second protection sleeve 24.

In particular applications, the conductive element 3 is made of an insulating material, while the conductive element 3 is also resistant to corrosion, for example nylon material. The cooling liquid is an oil liquid with insulating property.

In use, two needles 13 are inserted into two second connecting seats 22, current flows from the first connecting seat 12 to the first reed 14, the first reed 14 flows to the needles 13, the needles 13 flow to the second reed 23, and the second reed 23 flows to the second connecting seat 22; the flow sequence of the cooling liquid is as follows: the liquid is injected from the liquid outlet 124 of one first connecting seat 12, flows to one second connecting seat 22 through a first channel 131, flows to the other second connecting seat 22 through the conducting piece 3, finally flows to the liquid outlet 124 of the other first connecting seat 12, is connected with external existing cooling equipment, provides power for the cooling liquid through the cooling equipment, and cools the cooling liquid.

In summary, by providing the first flow channel 11, the second flow channel 21 and the third flow channel, when the pin assembly 1 is connected to the socket assembly 2 and works, the cooling liquid flows in from one first flow channel 11, flows through the second flow channel 21 and the third flow channel 31 in sequence, flows into the other second flow channel 21 and the first flow channel 11 in sequence, and finally flows out of the first flow channel 11, so as to form a circulation of the cooling liquid; so, after the electric current increases, the heat that produces can in time take out through the coolant liquid, realizes the heat dissipation, and then avoids the heat to pile up the influence that the intensification caused, has prolonged the life of contact pin subassembly 1 and socket subassembly 2.

The foregoing description is only illustrative of the invention and is not to be construed as limiting the invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present invention, should be included in the scope of the claims of the present invention.

Claims

1. A liquid-cooled terminal, comprising: the socket comprises two contact pin assemblies (1), two socket assemblies (2) and a conducting piece (3), wherein the two contact pin assemblies (1) are respectively connected with the two socket assemblies (2), and the conducting piece (3) is connected with the two socket assemblies (2); the contact pin assembly (1) is provided with a first flow passage (11), the socket assembly (2) is provided with a second flow passage (21), the conducting piece (3) is provided with a third flow passage (31), the first flow passage (11) is communicated with the second flow passage (21), and the third flow passage (31) is communicated with the second flow passage (21);

wherein, the cooling liquid enters the first flow passage (11) of one contact pin assembly (1) and flows to the second flow passage (21) of one socket assembly (2), flows into the second flow passage (21) of the other socket assembly (2) through the third flow passage (31), and flows into the first flow passage (11) of the other contact pin assembly (1).

2. The liquid-cooled terminal according to claim 1, wherein the pin assembly (1) comprises a first connecting seat (12), a needle (13) and a first reed (14), the needle (13) is disposed on the first connecting seat (12), the first reed (14) is disposed between the first connecting seat (12) and the needle (13), and the needle (13) is connected with the socket assembly (2).

3. The liquid cooling terminal according to claim 2, wherein the first connecting seat (12) has a first groove body (121), a second groove body (122), a third groove body (123) and a liquid drain port (124), the first groove body (121) is located at one end of the first connecting seat (12) far away from the needle head (13), the second groove body (122) is communicated with the third groove body (123), one end of the needle head (13) is located at the second groove body (122), the first reed (14) is located at the third groove body (123), and the liquid drain port (124) is communicated with the second groove body (122); the needle (13) is provided with a first channel (131), and the first channel (131) is communicated with the second groove body (122).

4. A liquid-cooled terminal according to claim 3, wherein the pin assembly (1) further comprises a first protective cover (15), the first protective cover (15) being disposed at an end of the needle (13) remote from the first connection base (12); the first protective sleeve (15) has a second channel (151), the second channel (151) being in communication with the first channel (131).

5. Liquid cooled terminal according to claim 2, characterized in that the needle (13) is screwed with the first connection seat (12).

6. The liquid cooling terminal according to any one of claims 1-5, wherein the socket assembly (2) comprises a second connecting seat (22), a second reed (23) and a second protecting sleeve (24), the second reed (23) is sleeved on the second connecting seat (22), the second protecting sleeve (24) is sleeved on the second reed (23), and the second connecting seat (22) and the second reed (23) are connected with the pin assembly (1).

7. The liquid cooled terminal of claim 6, wherein the socket assembly (2) further comprises a third spring (25), the third spring (25) being located between the second connection mount (22) and the pin assembly (1).

8. The liquid cooled terminal of claim 6, wherein the receptacle assembly (2) further comprises a gasket (26), the gasket (26) being located between the second connection mount (22) and the pin assembly (1).

9. The liquid cooled terminal of claim 6, wherein the receptacle assembly (2) further comprises a gland (27), the gland (27) connecting the second reed (23) and the second protective sheath (24).

10. Liquid cooled terminal according to any of claims 1-5, characterized in that the conducting member (3) is made of an insulating material.