Connector with external strong cooling structure

Abstract

The utility model discloses a connector with external strong cooling structure. The connector includes: shell, a plurality of jack parts, a plurality of cables and at least one external air cooling part, the shell includes a plurality of high heat conduction fixed wire ends, and a plurality of protruding cooling fins are integrally arranged on the outer wall of each fixed wire end, the jack part is fixedly sleeved with the front end of the shell and the rear end is inserted into the fixed wire end, the cable is fixedly sleeved with the rear end of the shell and is inserted into the fixed wire end to connect the jack part, the external air cooling part is fixedly connected with one side of the fixed wire end, the air suction port of the external air cooling part is opposite to each cooling fin, the cooling fin conducts the heat of the connecting heat source to the outer end of the cooling fin, the external cooling part makes the airflow continuously flow through the surface of the cooling fin and takes away the heat, and the connector is at the appropriate working temperature. The utility model has the effects of simple structure, good heat dissipation, improved current-carrying capacity and reduced temperature rise, more advantageous battery size, capacity and endurance, and good safety.

Description

Technical Field

[0001] This utility model relates to the field of connectors, and in particular to connectors with an external strong cooling structure. Background Technology

[0002] Connectors are widely used in indoor and energy storage applications. They enable efficient power transmission and charging / discharging. When powered on, the steady-state current carried by the connector is at a high level. Continuous charging or high-current charging generates a lot of heat. Currently, connectors typically lack a heat dissipation system or have poor heat dissipation. The drawbacks are: First, the current-carrying capacity of current connectors under basic operating conditions has inherent limitations. When adapting to high-power scenarios, larger terminal sizes are required to increase the current-carrying capacity. This results in very large mounting openings for the connector, affecting the battery capacity and battery life of the battery pack, thus failing to meet the requirements of high-current charging and discharging. Second, current charging can cause the connector temperature to rise excessively. If the heat cannot be dissipated quickly, it can cause internal material aging and resistance changes, leading to failure, posing safety hazards, and reducing product lifespan. Utility Model Content

[0003] To address one or more of the aforementioned problems, this invention provides a connector with an external strong cooling structure.

[0004] According to one aspect of the present invention, the connector with an external strong cooling structure includes: a housing, a plurality of sockets, a plurality of cables, and at least one external air-cooling unit.

[0005] The housing includes multiple high thermal conductivity wire terminals, and each wire terminal has multiple protruding heat sinks integrally formed on its outer wall;

[0006] The socket is fixedly connected to the front end of the outer shell and the rear end extends into the fixed wire end;

[0007] The cable is fixed to the rear end of the housing, and the front end of the cable extends into the fixed end and is fixedly connected to the rear end of the plug.

[0008] The external air-cooling unit is fixedly connected to one side of the wire end. The exhaust port of the external air-cooling unit is directly facing each heat sink. The heat sink conducts the heat from the heat source to the outer end of the heat sink. The external cooling unit makes the airflow continuously flow over the surface of the heat sink and removes the heat, so that the connector is at a suitable operating temperature.

[0009] In some embodiments, the external air-cooling unit includes a mounting base, multiple blades, and a drive motor. The mounting base is laterally connected to the fixed wire end. The outer end of the central through hole of the mounting base is integrally connected to a side bracket with multiple exhaust holes, and the inner end is an exhaust port.

[0010] The drive motor is fixedly connected to the outside of the central shaft hole of the side frame, and multiple blades in a circumferential array are set at the exhaust port and connected to the output end of the drive motor.

[0011] In some embodiments, the outer peripheral wall of the central sleeve is integrally connected with multiple blades in a circular array, and the outer ring fixing groove of the central sleeve is elastically interference-fitted with the inner positioning shoulder of the side frame.

[0012] In some implementations, the drive motor is a hollow shaft motor, with the fixing slot concentrically connected to the central shaft, and the outer end of the central shaft passing through the central shaft hole to connect to the drive motor.

[0013] In some implementations, the external cooling unit is a small fan driven by a low-voltage power supply.

[0014] In some embodiments, the side frame includes a disc-shaped fixed body and a plurality of tangential swing arms integrally connected to the outer wall of the fixed body in a circumferential array. The outer ends of the swing arms are integrally connected to the outside of the central through hole, and exhaust holes are formed between adjacent swing arms.

[0015] The fixing body has a central shaft hole in the middle and an inner positioning shoulder integrally connected to the outside. The outer peripheral wall of the inner positioning shoulder has multiple elastic cuts arranged in a circular array.

[0016] In some embodiments, one of the fixed wire ends is provided with multiple positioning screw posts on one side, and the fixing screw passes through the first through hole of the mounting base to connect to the positioning screw posts.

[0017] In some implementations, a horizontally penetrating heat dissipation vent is formed in the middle of the fixed wire end, and several heat sinks extend into the heat dissipation vent in a fin-like manner arranged at equal intervals.

[0018] In some embodiments, the rear shell of the outer casing is threadedly connected to the middle of the rear end face of the inner shell, and the horizontal end of the rear shell forms multiple fixed ends. The plug fitting is sleeved on the inner shell and its rear end extends into the rear shell. The cable is sleeved on the rear shell and its front end extends into the fixed ends. The through hole of the plug fitting and the adapter copper busbar of the cable are connected by the threaded fitting.

[0019] The insertion socket, the inner shell, and the rear shell are all equipped with anti-rotation structures.

[0020] In some implementations, the connector is a battery swapping connector, and the rear housing is made of aluminum alloy.

[0021] This connector with an external strong cooling structure incorporates heat sinks and an external air-cooling unit in the heat-generating area, achieving excellent heat dissipation, reducing connector temperature rise, and effectively improving terminal current-carrying capacity. Its beneficial effects are: First, without increasing the overall size of the connector, this heat dissipation structure conducts heat solely through heat sinks, combined with enhanced directional airflow from the external air-cooling unit. This results in superior heat dissipation efficiency, keeping the connector operating within a suitable temperature range. It solves the problem of connector current-carrying capacity being limited by excessively high temperatures, adapting to steady-state high-current charging and discharging operations in high-power scenarios. Furthermore, its simple structure, small overall size of terminals, cables, and connectors, and no need to increase the size of installation openings effectively ensure battery pack capacity and extend vehicle range. Second, the heat generated in the connector's heat-generating area is rapidly dissipated, keeping the terminal operating temperature within a reasonable range, stabilizing battery performance at its optimal level, extending product lifespan, and enhancing safety. Attached Figure Description

[0022] Figure 1 This is a three-dimensional schematic diagram of a connector with an external strong cooling structure according to one embodiment of the present invention.

[0023] Figure 2 for Figure 1 A cross-sectional schematic diagram of a connector with an external strong cooling structure is shown.

[0024] Figure 3 for Figure 1 A three-dimensional schematic diagram of the external air-cooling unit is shown;

[0025] Figure 4 for Figure 3 The diagram shows a three-dimensional exploded view of the external air-cooling unit.

[0026] Figure 5 for Figure 1 A three-dimensional schematic diagram of the outer shell shown;

[0027] Outer shell 1, rear shell 10, wire fixing end 100, heat sink 101, positioning screw hole post 102, heat dissipation port 103, adapter pipe 104, plug-in inner shell 11, base outer shell 12.

[0028] Socket part 2;

[0029] Cable 3, adapter copper busbar 31;

[0030] External air-cooled unit 4, mounting base 40, central through hole 400, first through hole 401, blade 41, drive motor 42, side bracket 43, fixing body 430, central shaft hole 431, inner positioning shoulder 432, swing arm 433, elastic notch 434, central sleeve 44, fixing groove 441, central shaft 442, fixing screw 45. Detailed Implementation

[0031] The present invention will now be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to the directions in the accompanying drawings, while the terms "inner" and "outer" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0032] Figures 1 to 5 A connector with an external strong cooling structure according to one embodiment of the present invention is schematically shown. As shown, the connector with an external strong cooling structure includes: a housing 1, a plurality of sockets 2, a plurality of cables 3, and at least one external air-cooling unit 4;

[0033] The outer casing 1 includes multiple high thermal conductivity wire terminals 100, and each wire terminal 100 has multiple protruding heat sinks 101 integrally provided on its outer wall;

[0034] The socket 2 is fixedly connected to the front end of the outer shell 1 and the rear end extends into the fixed wire end 100;

[0035] The cable 3 is fixedly connected to the rear end of the housing 1, and the front end of the cable 3 extends into the fixed end 100 and is fixedly connected to the rear end of the plug 2.

[0036] An external air-cooling unit 4 is fixedly connected to one side of the fixed cable end 100, and the exhaust port of the external air-cooling unit 4 faces each heat sink 101. Preferably, a horizontally penetrating heat dissipation port 103 is formed in the middle of the fixed cable end 100, and a plurality of heat sinks 101 extend into the heat dissipation port 103 in a fin-like manner arranged at equal intervals. The exhaust port and the blades 41 therein face the heat dissipation port 103 and cover each heat sink 101.

[0037] The heat sink 101 conducts heat from the heat source to the outer end of the heat sink 101. The external cooling unit 4 allows airflow to continuously flow over the surface of the heat sink 101 and carry away the heat, so that the connector is at a suitable operating temperature.

[0038] This connector with an external strong cooling structure features a heat sink 101 and an external air-cooling unit 4 in the heat-generating area, achieving excellent heat dissipation, reducing connector temperature rise, and effectively improving terminal current-carrying capacity. Its beneficial effects are: First, without increasing the overall size of the connector, the heat dissipation structure conducts heat solely through the heat sink 101, combined with the external air-cooling unit 4 to enhance directional airflow. This structure achieves superior heat dissipation, effectively improving the connector's heat dissipation efficiency, controlling the connector to operate within a suitable temperature range, and solving the problem of connector current-carrying capacity being limited by excessively high temperatures. It adapts to steady-state high-current charging and discharging operations in high-power scenarios. Moreover, its simple structure, small overall size of terminals, cables, and connectors, and no need to increase the size of installation openings effectively ensure the battery pack's capacity and guarantee the electric vehicle's range. Second, the heat generated in the connector's heat-generating area is quickly dissipated, keeping the terminal operating temperature within a reasonable range, stabilizing battery performance at its optimal level, resulting in a long product lifespan and good safety.

[0039] Furthermore, the external air-cooling unit 4 includes a mounting base 40, multiple blades 41, and a drive motor 42. The mounting base 40 is laterally connected to the fixed wire end 100. The outer end of the central through hole 400 of the mounting base 40 is integrally connected to a side bracket 43 with multiple exhaust holes, and the inner end is an exhaust port. The drive motor 42 is fixedly connected to the outer side of the central shaft hole 431 of the side bracket 43. The multiple blades 41 are arranged in a circumferential array at the exhaust port and connected to the output end of the drive motor 42. The external air-cooling unit 4 also includes a cylindrical central sleeve 44. The outer circumferential wall of the central sleeve 44 is integrally connected to the inner ends of the multiple blades 41 in a circumferential array. The annular fixing groove 441 on the outer side of the central sleeve 44 is elastically interference-fitted to the inner positioning shoulder 432 of the side bracket 43. Preferably, the external air-cooling unit 4 is a small fan driven by a low-voltage power supply, such as a small fan driven by a 5V power supply. Its advantages are: the external air-cooling unit 4 has a simple structure, compact size, is easy to assemble, and has high airflow performance, achieving good heat dissipation.

[0040] Preferably, the drive motor 42 is a hollow shaft motor, with the fixing slot 441 concentrically connected to the central shaft 442, and the outer end of the central shaft 442 passing through the central shaft hole 431 to connect to the drive motor 42. The beneficial effect is that this arrangement further optimizes the product volume.

[0041] Preferably, the side frame 43 includes a disc-shaped fixed body 430 and multiple tangential swing arms 433 integrally connected to the outer wall of the fixed body 430 in a circumferential array. The outer ends of the swing arms 433 are integrally connected to the outside of the central through hole 400, and exhaust holes are formed between adjacent swing arms 433. The fixed body 430 has a central shaft hole 431 in the middle, and an annular inner positioning shoulder 432 is integrally connected to the outer side of the fixed body 430. The outer circumferential wall of the inner positioning shoulder 432 has multiple elastic cuts 434 in a circumferential array. An axial groove is provided between the inner positioning member 431 and the fixed body 430. Its advantages are: this arrangement has a good air guiding effect, and the overall structure is simple and easy to assemble.

[0042] Preferably, one of the fixed wire ends 100 has multiple vertically integrated positioning screw posts 102 on one side of its outer wall, and the mounting base 40 of the external air-cooling unit 4 has multiple first through holes 401 on its side. Fixing screws 45 pass through the first through holes 401 and connect to the positioning screw posts 102. Preferably, the mounting base 40 is a rectangular base, placed vertically and parallel to one side of the fixed wire end 100. The mounting base 40 has four first through holes 401 arranged in a rectangular array at its four corners, and four positioning screw posts 102 are arranged in a rectangular array on the outer wall of the fixed wire end 100. The advantage of this design is that it facilitates quick disassembly and maintenance.

[0043] Furthermore, the connector is a battery swapping connector, which includes a socket module installed at the vehicle end and a plug module installed at the charging station end;

[0044] The outer casing 1 includes a rear housing 10 and a plug-in inner housing 11. The rear housing 10 is threadedly connected to the middle of the rear end face of the plug-in inner housing 11. The horizontal end of the rear housing 10 has multiple wire-fixing ends 100. Multiple plug-in components 2 are fixedly sleeved at their front ends to the plug-in inner housing 11 and extend into the rear housing 10 at their rear ends. Cables 3 are fixedly sleeved at the rear end of the rear housing 10 and extend into the wire-fixing ends 100 at their front ends. The rear through-hole of the plug-in component 2 and the adapter copper busbar 31 at the front end of the cable 3 are fixedly connected by threaded components. The outer casing 1 also includes a base housing 12. The plug-in inner housing 11 is located inside the base housing 12 and connected to the base housing 12 via a floating assembly. The beneficial effect is that this arrangement gives the connector good floating and protective functions.

[0045] Preferably, the insertion socket 2, the insertion inner shell 11, and the rear shell 10 are all equipped with guide post anti-rotation structures. The beneficial effect is that this design ensures that the positions of each component remain constant and without deflection during insertion.

[0046] Preferably, the rear housing 10 includes two parallel adapter tubes 104. The inclined end of each adapter tube 104 is fixed to the cable 3, and the horizontal end is the connection area between the plug 2 and the cable 2. The gap between adjacent adapter tubes 104 is a heat dissipation vent 103. The beneficial effect is that this arrangement further optimizes the product size and has good heat dissipation performance.

[0047] Preferably, the rear housing 10 is made of aluminum alloy, which has good thermal conductivity, heat dissipation is fast, and there is no heat accumulation or overheating.

[0048] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A connector with an external strong cooling structure, characterized in that, Includes: housing (1), multiple sockets (2), multiple cables (3), and at least one external air-cooling unit (4); The outer casing (1) includes a plurality of high thermal conductivity wire terminals (100), and each wire terminal (100) has a plurality of protruding heat sinks (101) integrally provided on its outer wall; The socket (2) is fixedly connected to the front end of the outer shell (1) and the rear end extends into the fixed wire end (100); The cable (3) is fixedly connected to the rear end of the outer casing (1), and the front end of the cable (3) extends into the fixed end (100) and is fixedly connected to the rear end of the plug-in component (2); The external air-cooling unit (4) is fixedly connected to one side of the fixed wire end (100). The exhaust port of the external air-cooling unit (4) is directly facing each heat sink (101). The heat sink (101) conducts the heat from the heat source to the outer end of the heat sink (101). The external cooling unit (4) makes the airflow continuously flow over the surface of the heat sink (101) and removes the heat, so that the connector is at a suitable working temperature.

2. The connector with an external strong cooling structure according to claim 1, characterized in that, The external air-cooling unit (4) includes a mounting base (40), multiple blades (41) and a drive motor (42). The mounting base (40) is laterally connected to the fixed wire end (100). The outer end of the central through hole (400) of the mounting base (40) is integrally connected to a side bracket (43) with multiple exhaust holes, and the inner end is an exhaust port. The drive motor (42) is fixedly connected to the outside of the central shaft hole (431) of the side bracket (43), and multiple blades (41) are arranged in a circumferential array at the exhaust port and connected to the output end of the drive motor (42).

3. The connector with an external strong cooling structure according to claim 2, characterized in that, The outer peripheral wall of the central sleeve (44) is integrally connected with multiple blades (41) in a circular array. The circular fixing groove (441) on the outer side of the central sleeve (44) is elastically interference-fitted to the inner positioning shoulder (432) of the side frame (43).

4. The connector with an external strong cooling structure according to claim 3, characterized in that, The drive motor (42) is a hollow shaft motor. The fixing slot (441) is concentrically connected to the central shaft (442). The outer end of the central shaft (442) passes through the central shaft hole (431) and is connected to the drive motor (42).

5. The connector with an external strong cooling structure according to claim 4, characterized in that, The external air-cooling unit (4) is a small fan driven by a low-voltage power supply.

6. The connector with an external strong cooling structure according to claim 3, characterized in that, The side frame (43) includes a disc-shaped fixed body (430) and a plurality of tangential swing arms (433) integrally connected to the outer wall of the fixed body (430) in a circumferential array. The outer end of the swing arm (433) is integrally connected to the outside of the central through hole (400), and an exhaust hole is formed between adjacent swing arms (433). The fixing body (430) has a central shaft hole (431) in the middle and an inner positioning shoulder (432) integrally connected to the outside. The outer peripheral wall of the inner positioning shoulder (432) has a plurality of elastic cuts (434) arranged in a circular array.

7. The connector with an external strong cooling structure according to claim 2, characterized in that, One of the fixed wire ends (100) has multiple positioning screw holes (102) on one side, and the fixing screw (45) passes through the first through hole (401) of the mounting base (40) to connect to the positioning screw holes (102).

8. The connector with an external strong cooling structure according to claim 1, characterized in that, A horizontally penetrating heat dissipation port (103) is formed in the middle of the fixed wire end (100), and several heat dissipation fins (101) extend into the heat dissipation port (103) in a fin-like manner arranged at equal intervals.

9. The connector with an external strong cooling structure according to claim 8, characterized in that, The rear shell (10) of the outer shell (1) is threadedly connected to the middle of the rear end face of the inner shell (11). Multiple wire-fixing ends (100) are formed at the horizontal end of the rear shell (10). The plug-in part (2) is sleeved on the inner shell (11) and its rear end extends into the rear shell (10). The cable (3) is sleeved on the rear shell (10) and its front end extends into the wire-fixing end (100). The through hole of the plug-in part (2) and the adapter copper busbar (31) of the cable (3) are connected by the threaded part. The insertion socket (2), the insertion inner shell (11), and the rear shell (10) are all equipped with anti-rotation structures.

10. The connector with an external strong cooling structure according to claim 9, characterized in that, The connector is a battery swapping connector, and the rear housing (10) is made of aluminum alloy.

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