Connector with internal cooling terminal module

Abstract

The utility model discloses a connector with an internal cooling terminal module. The connector comprises a plurality of inner cooling terminal modules installed in a connector body, male terminals of the inner cooling terminal modules are connected with one ends of female terminals in an inserted mode, and first cooling channels in the male terminals are communicated with second cooling channels in the female terminals. A first medium inlet and outlet of the first cooling channel and a second medium inlet and outlet of the second cooling channel are communicated with an inlet and outlet of the cooling loop, the cooling loop continuously inputs a cooling medium into the inner cooling terminal module, the cooling medium flows through the first cooling channel and the second cooling channel inside, and heat enters the cooling channels from outside to inside. And the circulating cooling medium takes away heat and continuously radiates and cools the connector. According to the utility model, the heat dissipation capability is high, the temperature rise of the connector is reduced, the current-carrying capability of the connector is effectively improved, the equipment size is small, the safety performance is high, and the heat dissipation device can be matched with various heat dissipation media.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electrical connection, especially the connector with internal cooling terminal module. BACKGROUND

[0002] With the rapid development of new energy industry, the connector is widely used in the efficient transmission of electric energy and charging and discharging, and the host computer is increasingly improved on the high voltage platform, and the rated current requirement of the connector parts is higher and higher, and the problems are as follows: first, when the connector is too large, the heat generation position is mainly the contact area and the connection area, if the current carrying capacity of the connector is improved to meet the larger rated current, the size of the contact piece or the cable square number needs to be increased to improve the current carrying capacity, the size of the connector or the connector cable assembly will be larger, which affects the vehicle layout, second, the larger the current, the more heat generated, the higher the heat dissipation capacity required for the connector, and the heat dissipation of the current connector is mainly air cooling or local liquid cooling at the tail of the terminal, which is slow, and the heat cannot be quickly discharged, the battery temperature is too high, which reduces the battery performance and affects the service life of the product, therefore, the current cooling structure cannot meet the demand of too large electric quantity, and it is easy to appear red, overheating and even ablation, which has safety hidden danger. SUMMARY

[0003] In order to solve one or more of the above problems, the utility model provides a connector with internal cooling terminal module.

[0004] According to one aspect of the utility model, the connector with internal cooling terminal module comprises: a connector body and a plurality of internal cooling terminal modules installed in the connector body, the internal cooling terminal module comprises a male terminal and a female terminal;

[0005] The male terminal is connected to one end of the female terminal, the first cooling channel in the male terminal is communicated with the second cooling channel in the female terminal, and the first medium inlet and outlet of the first cooling channel and the second medium inlet and outlet of the second cooling channel are communicated with the inlet and outlet of the cooling loop, the cooling medium is continuously input into the internal cooling terminal module by the cooling loop, the cooling medium flows through the first cooling channel and the second cooling channel in the inside, the heat enters the cooling channel from the outside to the inside, and the circulating cooling medium carries away the heat to continuously cool the connector.

[0006] In some embodiments, the male terminal is provided with a first axial hole at one end and a second axial hole at the other end, the diameter of the second axial hole is smaller than that of the first axial hole, one end of the first axial hole is communicated with the second cooling channel and the other end is communicated with the second axial hole, and the outer end of the second axial hole is provided with the first medium inlet and outlet.

[0007] In some embodiments, the first axial hole is a central shaft hole at the inner end of the male terminal, the second axial hole is an eccentric shaft hole of the male terminal, and the eccentric shaft hole is arranged in parallel with the upper side or the lower side of the connecting end head of the male terminal.

[0008] In some embodiments, the female terminal has a plug hole at one end and a third axial hole inside, the inner wall of the plug hole is integrally connected with an axial sealing pipe, the inner end of the sealing pipe communicates with the third axial hole, and the inner end of the male terminal is inserted into the plug hole and communicates with the first axial hole through the sealing pipe.

[0009] In some embodiments, the third axial hole is a central hole of the inner wall of the plug hole of the female terminal, and the third axial hole communicates with the pipe hole of the centrally arranged sealing pipe.

[0010] In some embodiments, the female terminal has a vertical hole at one end, the inner end of the vertical hole communicates with the third axial hole, and the outer end of the vertical hole is provided with a second medium inlet and outlet.

[0011] In some embodiments, a first sealing ring is arranged at the connection between the first axial hole and the sealing pipe.

[0012] In some embodiments, the outer end of the second axial hole is connected with one metal sleeve, and the upper end of the vertical hole is connected with another metal sleeve; second sealing rings are arranged between the two metal sleeves and the second axial hole and the vertical hole.

[0013] Or the outer end of the metal sleeve is provided with a pagoda-shaped structure.

[0014] In some embodiments, the expansion groove of the circumferential wall of the plug hole is provided with a spiral spring, and the spiral spring is connected with the inner plug end of the male terminal in an interference fit.

[0015] In some embodiments, the circulating cooling medium of the internally cooled terminal module is any one of cooling oil, cooling wind, and cooling liquid.

[0016] Or the connector is a high-voltage connector or a battery replacement connector.

[0017] The connector with the internally cooled terminal module has the first cooling channel and the second cooling channel inside the male terminal and the female terminal, forms an internal circulation cooling system, has good heat dissipation capacity, reduces the temperature rise of the connector, and effectively improves the current carrying capacity of the connector. The beneficial effects are as follows: first, the excellent heat dissipation structure of the connector can meet the requirement of increasing the current carrying capacity to meet a larger rated current, without the need to increase the size of the contact or the number of cables, the size of the connector or the connector cable assembly is effectively controlled, which is beneficial to the overall vehicle layout; second, the high heat dissipation capacity of the connector effectively meets the requirement of large power, the heat is quickly discharged, the battery temperature is effectively controlled, the battery performance is stably maintained at the best performance, the safety performance is high, and the service life of the product is long; third, the structure is simple, the overall size is small, the processing is convenient, no other parts are added, the cost is effectively controlled, and the maintenance is convenient; fourth, the cooling system is suitable for multiple media, different media are matched according to different heat dissipation requirements, the product adaptability and optimal economy are improved. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of a connector with an internal cooling terminal module according to one embodiment of the present invention.

[0019] Figure 2 for Figure 1 A three-dimensional schematic diagram of the internal cooling terminal module shown.

[0020] Figure 3 for Figure 2 A cross-sectional schematic diagram of the internal cooling terminal module shown.

[0021] Figure 4 for Figure 2 A three-dimensional schematic diagram of the female terminal shown;

[0022] Figure 5 for Figure 2 A cross-sectional view of the male terminal shown;

[0023] Figure 6 for Figure 5 A three-dimensional schematic diagram of the protective end shown;

[0024] Connector body 00, male end connection part 02, female end connection part 03, axial tube hole 031;

[0025] Internal cooling terminal module 01, male terminal 1, first cooling channel 10, first axial hole 100, first medium inlet / outlet 101, second axial hole 102, sealing ring groove 103, connecting end 11, positioning hook ring 12, positioning groove 13;

[0026] Female terminal 2, second cooling channel 20, third axial hole 200, second medium inlet / outlet 201, vertical hole 202, plug hole 21, sealing connector 22, first threaded blind hole 23, expansion groove 24;

[0027] First sealing ring 3;

[0028] Metal sleeve 4, pagoda-shaped opening structure 41;

[0029] Second sealing ring 5;

[0030] Protective end 6, front guide end 60, first slot 61, positioning end post 62, elastic opening 63, central shaft hole 64;

[0031] Rotating spring 7. Detailed Implementation

[0032] The utility model will be made further detailed description in combination with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the direction in the drawings, and the words "inner" and "outer" refer to the direction towards or away from the geometric center of a particular component.

[0033] Figures 1 to 6 The connector with the internal cooling terminal module according to an embodiment of the utility model is schematically shown. As shown in the figure, the connector with the internal cooling terminal module is characterized in that it comprises a connector body 00 and a plurality of internal cooling terminal modules 01, preferably two internal cooling terminal modules 01, installed in the connector body 00; the internal cooling terminal module 01 comprises a male terminal 1 and a female terminal 2.

[0034] The male terminal 1 is connected to one end of the female terminal 2, the first cooling channel 10 inside the male terminal 1 is connected to the second cooling channel 20 inside the female terminal 2, and the first medium inlet and outlet 101 of the first cooling channel 10 and the second medium inlet and outlet 201 of the second cooling channel 20 are connected to the inlet and outlet of the cooling circuit.

[0035] The cooling circuit continuously inputs cooling medium into the internal cooling terminal module 01, the cooling medium flows through the first cooling channel 10 and the second cooling channel 20 inside, the heat enters the cooling channel from the outside to the inside, and the circulating cooling medium carries away the heat, continuously cooling the connector. The circulating cooling medium of the internal cooling terminal module 01 is preferably any one of cooling oil, cooling wind and cooling liquid; the cooling oil is preferably dimethyl silicone oil or transformer oil.

[0036] One of the first medium inlet and outlet 101 and the second medium inlet and outlet 201 is an inlet and the other is an outlet.

[0037] The connector with the internal cooling terminal module forms an internal circulation heat dissipation system through the internal opening of the male terminal 1 and the female terminal 2 to communicate with each other the first cooling channel 10 and the second cooling channel 20, has good heat dissipation capacity, reduces the temperature rise of the connector, and effectively improves the current carrying capacity of the connector, which has the following beneficial effects: first, the excellent heat dissipation structure of the connector can meet the requirement of increasing the current carrying capacity of the connector to meet the larger rated current, without the need to increase the size of the contact or the number of cables, the size of the connector or the connector cable assembly is effectively controlled, which is beneficial to the overall vehicle layout; second, the high heat dissipation capacity of the connector effectively meets the demand of large power, quickly discharges heat, effectively controls the battery temperature, stabilizes the battery performance at the best performance, and has high safety performance and long service life; third, the structure is simple, the overall size is small, easy to process, does not increase other parts, effectively controls the cost, and is easy to maintain; fourth, the cooling system is suitable for multiple media, and different media are matched according to different heat dissipation requirements to improve the adaptability and optimal economy of the product.

[0038] Further, the male terminal 1 is provided with a first axial hole 100 at one end and a second axial hole 102 at the other end, the diameter of the second axial hole 102 is smaller than that of the first axial hole 100, the first axial hole 100 is in communication with the second cooling channel 20 at one end and the second axial hole 102 at the other end, and the outer end of the second axial hole 102 is provided with a first medium inlet and outlet 101. Preferably, the first axial hole 100 is a central axial hole at the inner end of the male terminal 1, and the second axial hole 102 is an eccentric axial hole of the male terminal 1, which is arranged in parallel with the upper side or the lower side of the connecting head 11 of the male terminal 1. The beneficial effect is that the first cooling channel 10 has a simple structure and good conduction effect, and the eccentric axial hole and the central axial hole structure are convenient for assembly and layout of other parts.

[0039] Further, the female terminal 2 is provided with a plug-in hole 21 at one end and a third axial hole 200 inside, the inner wall of the plug-in hole 21 is integrally connected with an axial sealing pipe 22, the inner end of the sealing pipe 22 is in communication with the third axial hole 200, the inner end of the male terminal 1 is inserted into the plug-in hole 21, and the sealing pipe 22 is inserted into the first axial hole 100. Preferably, the third axial hole 200 is a central hole in the inner wall of the plug-in hole 21 of the female terminal 2, and the third axial hole 200 is in communication with the pipe hole of the centrally arranged sealing pipe 22. The beneficial effect is that the second cooling channel 20 has a simple structure and good conduction effect, and the sealing pipe 22 inserted into the first axial hole 100 can effectively improve the assembly precision and sealing performance.

[0040] Preferably, the female terminal 2 is provided with a vertical hole 202 at one end, the inner end of the vertical hole 202 is in communication with the third axial hole 200, and the outer end is provided with a second medium inlet and outlet 201. The beneficial effect is that the overall layout is convenient and the overall size is small.

[0041] Further, the first axial hole 100 and the sealing manifold 22 are provided with a first sealing ring 3, and the first axial hole 100 is provided with a plurality of sealing ring grooves 103, and the first sealing ring 3 is installed on the inner wall of the sealing ring groove 103. Its beneficial effect is: good sealing performance, avoiding liquid overflow from the connecting part to damage other electrically conductive parts.

[0042] Preferably, the first medium inlet and outlet 101 is the outer port of the second axial hole 102, and the second medium inlet and outlet 201 is the outer port of the vertical hole 202; its beneficial effect is: the setting is simple, which effectively reduces the cost.

[0043] Preferably, the first medium inlet and outlet 101 is a metal sleeve 4 connected to the outer end of the second axial hole 102, and the second medium inlet and outlet 201 is a metal sleeve 4 connected to the upper end of the vertical hole 202; both metal sleeves 4 and the second axial hole 102, vertical hole 202 are provided with a second sealing ring 5; its beneficial effect is: the setting is convenient for installation, and has good sealing performance.

[0044] Preferably, the outer end of the metal sleeve 4 is provided with a pagoda-shaped structure 41, which is directly connected with the pipeline interface of the cooling circuit; its beneficial effect is: the pagoda-shaped structure 41 can improve the fastening of the connection.

[0045] The metal sleeve 4 is made of stainless steel. Stainless steel has high mechanical strength, high temperature resistance, good thermal stability, and rust resistance.

[0046] Further, the expansion groove 24 of the circumferential wall of the plug-in hole 21 is installed with a spiral spring 7, and the spiral spring 7 is interference connected with the inner plug end of the male terminal 1; its beneficial effect is: the setting is reliable in connection, and the plug-in and plug-out life is up to 10,000 times or more.

[0047] Preferably, the male terminal 1 and the female terminal 2 are made of purple copper T2Y material. Its beneficial effect is: the material has good conductivity.

[0048] Further, the male terminal 1 is also provided with an elastic protective end 6 at the front end; the central axis hole 64 of the protective end 6 is gap-set outside the sealing manifold 22, the front guide end 60 of the protective end 6 is in small gap cooperation with the plug-in hole 21, and the rear end of the first clamping groove 61 is clampingly connected with the positioning hook ring 12 of the male terminal 1, and the positioning end column 62 is clampingly connected with the positioning groove 13 at the front end of the first axial hole 100 of the male terminal 1, and a plurality of elastic openings 63 are circumferentially arranged on the positioning end column 62. Its effective effect is: the setting is convenient for installation, and has good guiding effect.

[0049] Preferably, the connector is a high-voltage connector or a battery replacement connector; its beneficial effect is: the structure is suitable for various electrically conductive application scenarios.

[0050] Further, the connector body 00 has the functions of protection, floating and guiding; the connector body 00 comprises a male connecting part 02 and a female connecting part 03;

[0051] The female connecting part 03 is mounted on the vehicle body, and the male connecting part 02 is mounted on the battery pack;

[0052] The male connecting part 02 is inserted into the female connecting part 03, the male terminal 1 is mounted in the male connecting part 02, the female terminal 2 is mounted in the two axial pipe holes 031 of the female connecting part 03 and is exposed at the upper end, and the male terminal 1 of the male connecting part 02 is inserted into the female terminal 2 of the female connecting part 03 to form the connector.

[0053] The stop structure is arranged between the terminal and the mounting plate of the opposite connector body 00, which can effectively prevent the terminal from rotating and the mounting plate from rotating in the connector assembly.

[0054] The tail center of the female terminal 2 is provided with a first threaded blind hole 23, and the first threaded blind hole 23 and the copper handle are connected; and the connecting end head 11 of the tail of the male terminal 1 and the core wire are ultrasonic welded.

[0055] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. Connector with internally cooled terminal module, characterized in that The application relates to a connector body (00) and a plurality of internally-cooled terminal modules (01) installed in the connector body (00), wherein the internally-cooled terminal modules (01) comprise male terminals (1) and female terminals (2); the male terminal (1) is connected to one end of the female terminal (2) in a plug-in mode, a first cooling channel (10) in the male terminal (1) is connected to a second cooling channel (20) in the female terminal (2), a first medium inlet and outlet (101) of the first cooling channel (10) and a second medium inlet and outlet (201) of the second cooling channel (20) are connected to an inlet and outlet of a cooling loop, the cooling loop continuously inputs cooling medium into the internally-cooled terminal module (01), the cooling medium flows through the first cooling channel (10) and the second cooling channel (20), heat is transferred from the outside to the inside of the cooling channels, and the cooling medium carries away the heat to reduce the temperature of the connector.

2. The connector with an internal cooling terminal mold set according to claim 1, characterized by, The male terminal (1) is provided with a first axial hole (100) at one end and a second axial hole (102) at the other end, the diameter of the second axial hole (102) is smaller than that of the first axial hole (100), one end of the first axial hole (100) is connected to the second cooling channel (20) and the other end is connected to the second axial hole (102), and the outer end of the second axial hole (102) is provided with the first medium inlet and outlet (101).

3. Connector with internal cooling terminal mold according to claim 2, characterized in that The first axial hole (100) is a central axial hole at the inner end of the male terminal (1), and the second axial hole (102) is an eccentric axial hole of the male terminal (1), which is arranged in parallel to the upper side or the lower side of a connecting head (11) of the male terminal (1).

4. The connector with an internal cooling terminal mold set according to claim 3, characterized by, The female terminal (2) is provided with a plug-in hole (21) at one end and a third axial hole (200) in the inside, the inner wall of the plug-in hole (21) is integrally connected to an axial sealing pipe (22), the inner end of the sealing pipe (22) is connected to the third axial hole (200), the inner end of the male terminal (1) is inserted into the plug-in hole (21), and the sealing pipe (22) is inserted into the first axial hole (100) in a connected mode.

5. The connector with an internal cooling terminal mold set according to claim 4, characterized by, The third axial hole (200) is a central hole in the inner end wall of the plug-in hole (21) of the female terminal (2), and the third axial hole (200) is connected to the pipe hole of the centrally-arranged sealing pipe (22).

6. The connector with an internal cooling terminal mold set according to claim 4, characterized by, The female terminal (2) is provided with a vertical hole (202) at one end, the inner end of the vertical hole (202) is connected to the third axial hole (200), and the outer end of the vertical hole (202) is provided with the second medium inlet and outlet (201).

7. The connector with an internal cooling terminal mold set according to claim 4, characterized by, A first sealing ring (3) is arranged at the connecting position of the first axial hole (100) and the sealing pipe (22).

8. The connector with an internal cooling terminal mold set according to claim 4, characterized by, A metal sleeve (4) is connected to the outer end of the second axial hole (102), and another metal sleeve (4) is connected to the upper end of the vertical hole (202); second sealing rings (5) are arranged between the two metal sleeves (4) and the second axial hole (102) and the vertical hole (202). Or the metal sleeve (4) is provided with a pagoda-shaped structure (41) at the outer end.

9. The connector with an internal cooling terminal mold set according to claim 1, characterized by, A spiral spring (7) is arranged in an expansion groove (24) of the circumferential wall of the plug-in hole (21), and the spiral spring (7) is connected to the inner plug-in end of the male terminal (1) in an interference mode.

10. Connector with internal cooling terminal mould according to any one of claims 1 to 9, characterized in that The circulating cooling medium of the inner cooling terminal module (01) is any one of cooling oil, cooling air and cooling liquid; Or the connector is a high-voltage connector or a battery replacement connector.

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