A high-voltage connector, a battery pack and an electric device

Abstract

The utility model discloses a kind of high-voltage connector, battery pack and electrical equipment, including connector body and insulating heat-conducting part, one end of the connector body is equipped with the wiring harness connection terminal suitable for being connected with cable, another end is equipped with the component connection terminal suitable for being connected with battery pack, the wiring harness connection terminal is electrically connected with the component connection terminal;One end of the insulating heat-conducting part is heat-conducting connected with the component connection terminal, another end of the insulating heat-conducting part is suitable for heat-conducting connection with the heat dissipation plate of the battery pack.The utility model matches and connects the component connection terminal of connector with the heat dissipation plate of battery pack by the insulating heat-conducting part made of heat-conducting ceramic, can utilize the heat dissipation plate of battery pack as active heat dissipation device, effectively heat transfer is carried out by direct contact between solid interface, to reduce the temperature rise of connector, reach the purpose of improving the current-carrying capacity and temperature resistance grade of connector.

Description

Technical Field

[0001] This utility model relates to the field of charging technology, specifically to a high-voltage connector, a battery pack, and an electrical device. Background Technology

[0002] With the development of technology, the charging power required for electric vehicles using superchargers is increasing. The heat generated by cables and connectors is directly proportional to the charging power; the higher the charging power, the greater the heat generated by the cables and connectors. Typically, silicone cables have a temperature resistance rating of up to 180℃, while the high-voltage connectors in power battery packs have a temperature resistance rating of 140℃. To protect the high-voltage connectors, cables can only be used at around 140℃, a 40℃ difference from the 180℃ temperature resistance rating, resulting in the inability to fully utilize the cable's current-carrying capacity.

[0003] In response, related technologies have adopted the liquid cooling technology used in liquid-cooled cables for connectors. By adding heat dissipation pipes and liquid cooling media, the temperature rise of the connector is reduced, aiming to improve the connector's temperature resistance rating. While this method ensures the connector's heat dissipation capacity, it also results in a complex structure, difficult assembly, and significantly increased manufacturing costs. Utility Model Content

[0004] In view of the above problems, the present invention provides a high-voltage connector, battery pack and electrical equipment with simple structure and reliable connection, which can improve the current carrying capacity and temperature resistance of the high-voltage connector.

[0005] According to one aspect of the present invention, a high-voltage connector is provided, comprising: a connector body, one end of which is provided with a wire harness connection terminal suitable for connection with a cable, and the other end of which is provided with a component connection terminal suitable for connection with a battery pack, wherein the wire harness connection terminal and the component connection terminal are electrically connected; and an insulating and heat-conducting component, one end of which is thermally connected to the component connection terminal, and the other end of which is suitable for thermally connected to the heat sink of the battery pack.

[0006] In an exemplary embodiment of this utility model, the insulating heat-conducting component has a first connecting surface and a second connecting surface that are opposite to each other along a first direction. The first connecting surface is attached to the component connecting terminal and is fixedly connected to the component connecting terminal through a first connector; the second connecting surface is attached to the heat sink and is fixedly connected to the heat sink through a second connector.

[0007] In an exemplary embodiment of the present invention, the insulating heat-conducting component includes at least one heat-conducting boss and connecting portions distributed on both sides of the heat-conducting boss, with a first connecting surface and a second connecting surface defined on the heat-conducting boss.

[0008] In an exemplary embodiment of this utility model, both the first connector and the second connector are bolt connectors. The component connecting terminal is provided with a first mounting hole, and the first connecting surface is provided with a second mounting hole. The first connector passes through the first mounting hole and the second mounting hole to fix the component connecting terminal to the first connecting surface. The connecting part is provided with a third mounting hole, and the side of the heat sink facing the connecting part is provided with a fourth mounting hole. The second connector passes through the third mounting hole and the fourth mounting hole to fix the connecting part to the heat sink.

[0009] In an exemplary embodiment of the present invention, the first mounting hole is a threaded hole, the second mounting hole is a through hole that passes through the first connecting surface and the second connecting surface, and a receiving groove is provided on one side of the second connecting surface of the insulating heat-conducting component corresponding to the second mounting hole; one end of the head of the first connector is received in the receiving groove, and the other end of the connector passes through the second mounting hole from the second connecting surface and is threadedly connected to the first mounting hole.

[0010] In an exemplary embodiment of the present invention, the heat-conducting boss includes a first heat-conducting part, a second heat-conducting part, and a third heat-conducting part. The second heat-conducting part and the third heat-conducting part are disposed opposite to and spaced apart on both sides of the first heat-conducting part distributed along a second direction, the second direction being perpendicular to the first direction. A first connecting surface and a second connecting surface are defined in the first heat-conducting part. The opposite inner surfaces of the second heat-conducting part and the third heat-conducting part are abutted against both sides of the component connecting terminal distributed along the second direction.

[0011] In an exemplary embodiment of the present invention, a temperature sensor is further included, which is sandwiched between the component connection terminal and the insulating heat-conducting element and is attached to the component connection terminal.

[0012] In an exemplary embodiment of this invention, the first connecting surface and / or the second connecting surface are coated with thermally conductive adhesive or thermally conductive silicone grease.

[0013] According to a second aspect of the present invention, a battery pack is provided, including the high-voltage connector described above.

[0014] According to a third aspect of the present invention, an electrical device is provided, including the battery pack described above.

[0015] This invention uses the heat sink of the battery pack as an active heat dissipation device, and connects the connector component terminals to the heat sink of the battery pack through an insulating thermally conductive component made of thermally conductive ceramic. It can utilize the high thermal conductivity and good insulation of the thermally conductive ceramic to achieve safe and effective heat transfer, thereby reducing the temperature rise of the connector and improving the current carrying capacity and temperature resistance of the connector.

[0016] The above description is merely an overview of the technical solutions of the present utility model embodiments. In order to better understand the technical means of the present utility model embodiments and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the present utility model embodiments more obvious and understandable, specific embodiments of the present utility model are described below. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 A schematic diagram of the high-voltage connector in this embodiment is shown; Figure 2 An exploded view of the high-voltage connector of this embodiment is shown; Figure 3 A schematic diagram of the insulating and heat-conducting component of this embodiment is shown; Figure 4 A cross-sectional view of the high-voltage connector of this embodiment at the first connector is shown; Figure 5 A cross-sectional view of the high-voltage connector of this embodiment at the third connector is shown.

[0019] Explanation of icon numbers: 1-Connector body, 11-Wire harness connection terminal, 12-Component connection terminal, 121-First mounting hole, 13-Copper busbar, 2-Insulating and heat-conducting component; 21-Heat-conducting boss; 211-First heat-conducting part; 2111-First connecting surface; 21111-Second mounting hole; 21112-Mounting groove; 2112-Second connecting surface; 21121-Receiving groove; 212-Second heat-conducting part; 213-Third heat-conducting part; 22-Connecting part; 221-Third mounting hole. 3-Heat sink, 31-Fourth mounting hole, 4-Component end mounting panel, 5-First connector, 51-Insulating cap, 6-Second connector, 7-Third connector, 8-Temperature sensor x - first direction, y - second direction.

[0020] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0021] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided to make the present invention more comprehensive and complete, and to fully convey the concept of the exemplary embodiments to those skilled in the art.

[0022] Furthermore, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. Numerous specific details are provided in the following description to give a full understanding of embodiments of the present invention. However, those skilled in the art will recognize that the technical solutions of the present invention can be practiced without one or more of the specific details, or other methods, components, apparatuses, steps, etc., may be employed. In other instances, well-known methods, apparatuses, implementations, or operations are not shown or described in detail to avoid obscuring various aspects of the present invention.

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0024] Furthermore, the orientations or positional relationships indicated by terms such as "front," "rear," "left," "right," "up," and "down" in the embodiments of this utility model are based on the orientations or positional relationships shown in the accompanying drawings; the terms "inner" and "outer" in the embodiments of this application are defined based on the outline of the corresponding component. It is understood that the above-mentioned terms indicating orientations or positional relationships are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0025] like Figure 1 As shown, this embodiment provides a high-voltage connector, including: a connector body 1 and an insulating and heat-conducting component 2. One end of the connector body 1 is provided with a wire harness connection terminal 11 suitable for connection with a cable, and the other end is provided with a component connection terminal 12 suitable for connection with a battery pack. The wire harness connection terminal 11 and the component connection terminal 12 are electrically connected. The insulating and heat-conducting component 2 can be made of thermally conductive ceramic, with one end thermally connected to the component connection terminal 12 and the other end suitable for thermally connected to the heat sink 3 of the battery pack. In this way, by utilizing the high thermal conductivity and good insulation of the thermally conductive ceramic, safe and effective heat transfer can be achieved between the component connection terminal 12 and the heat sink 3, thereby reducing the temperature rise of the connector and improving the current carrying capacity and temperature resistance rating of the connector.

[0026] Specifically, such as Figure 1 As shown, the connector body 1 includes a wire harness connection terminal 11 and a component connection terminal 12. The wire harness connection terminal 11 is suitable for connection to a cable, and the component connection terminal 12 is suitable for connection to a battery pack (specifically, the positive / negative copper busbars of the battery pack; since the structure and connection method of the positive / negative copper busbars are the same, they will be referred to as copper busbar 13 in the following text and figures). The wire harness connection terminal 11 and the component connection terminal 12 can be connected to the component end mounting panel 4 by plugging in, and further fixed by bolts; the insulating heat-conducting component 2 and the component connection terminal 12 can be connected by bolts. The components are connected to each other by means of connection or snap-fit, so that the insulating heat-conducting component 2 and the component connection terminal 12 can transfer heat through the physical contact of their connection interface; similarly, the insulating heat-conducting component 2 and the heat sink 3 of the battery pack can also be connected to each other by means of bolt connection or snap-fit, so that the insulating heat-conducting component 2 and the heat sink 3 can transfer heat through the physical contact of their connection interface. At this time, the component connection terminal 12 can fully exchange heat through the insulating heat-conducting component 2 and the heat sink 3, which can effectively reduce the temperature rise of the connector and improve the current carrying capacity and temperature resistance of the connector.

[0027] It is understood that, for ease of illustrating the connection relationships, the component end mounting panel 4 and heat sink 3 shown in the illustration are simplified partial plate structures. Therefore, in this embodiment, the connection method between the insulating heat-conducting component 2 and the component connection terminal 12, as well as between the insulating heat-conducting component 2 and the heat sink 3, is preferably bolted. This not only simplifies the structure and facilitates assembly but also ensures reliable connection, enabling good contact between the connection interfaces and allowing for effective heat transfer. In practical applications, appropriate connection methods can also be selected for heat conduction connections based on the specific type and shape of the component end; this is not limited here and will not be elaborated further.

[0028] In some embodiments, such as Figures 1 to 3 As shown, the insulating heat-conducting component 2 has a first connecting surface 2111 and a second connecting surface 2112 arranged opposite to each other along a first direction x. The first connecting surface 2111 abuts against the component connecting terminal 12 and is fixedly connected to the component connecting terminal 12 through a first connector 5; the second connecting surface 2112 abuts against the heat sink 3 and is fixedly connected to the heat sink 3 through a second connector 6. Based on the above arrangement, the component connecting terminal 12, the insulating heat-conducting component 2, and the heat sink 3 can be assembled along the same direction, i.e., the first direction x, which can reduce the assembly difficulty and improve the convenience, orderliness, and accuracy of assembly; at the same time, the first connecting surface 2111 and the second connecting surface 2112 are arranged opposite to each other, independent of each other and without interference, which can ensure good insulation performance and make the overall connection safe and reliable.

[0029] It is understood that in this embodiment, the first connector 5 and the second connector 6 can be bolted connectors. Corresponding mounting holes can be opened on the component connection terminal 12, the insulating heat-conducting component 2, and the heat sink 3, and a fixed connection can be achieved through bolting. In other embodiments, the first connector 5 can also be a snap-fit ​​structure located separately on the component connection terminal 12 and the insulating heat-conducting component 2, which can engage with each other. Similarly, the second connector 6 can also be a snap-fit ​​structure located separately on the insulating heat-conducting component 2 and the heat sink 3, which can engage with each other through snap-fitting. The selection can be based on the specific type and shape of the component end; no restrictions are imposed here, and further details will not be elaborated.

[0030] In some embodiments, such as Figure 1 , Figure 3 and Figure 4 As shown, the insulating heat-conducting component 2 includes at least one heat-conducting boss 21 and connecting portions 22 distributed on both sides of the heat-conducting boss 21. The first connecting surface 2111 and the second connecting surface 2112 are defined on the heat-conducting boss 21. In this way, the heat-conducting boss 21 can be used as the connection area between the component connection terminal 12 and the insulating heat-conducting component 2, and the connecting portion 22 can be used as the connection area between the insulating heat-conducting component 2 and the heat sink 3. This allows the two to be connected to each other independently and without interference, improving assembly convenience and accuracy. At the same time, the side of the connecting portion 22 facing the heat sink 3 can be flush with the second connecting surface 2112. The close contact between the connecting portion 22 and the heat sink 3 ensures effective contact between the second connecting surface 2112 and the heat sink 3, enabling effective heat transfer.

[0031] It is understandable that, since component connection terminal 12 is connected to the positive / negative copper busbars, i.e., copper busbars 13, of the battery pack, component connection terminal 12 consists of two positive / negative connection terminals with identical structural shapes (because the structure and connection method of the positive / negative connection terminals are the same, they are referred to as component connection terminal 12 in the accompanying drawings). Correspondingly, two insulating heat-conducting components 2 with identical structures can be provided to connect to the positive / negative connection terminals; in this embodiment, such as Figures 1 to 3 As shown, the insulating heat-conducting component 2 can also be configured as two integrally connected and side-by-side heat-conducting bosses 21 for connecting positive / negative terminals, and two connecting parts 22 are provided on the opposite outer sides of the two heat-conducting bosses 21 for connecting the heat sink 3. In this way, the number of connecting parts 22 can be reduced, the assembly process can be saved, and the insulating heat-conducting component 2 can be made more compact, thus achieving the effect of weight reduction and cost reduction.

[0032] Next, the connection method of the insulating heat-conducting component 2, which includes the heat-conducting boss 21 and the connecting part 22, to the component connecting terminal 12 and the heat sink 3 will be specifically described in order to achieve further requirements and functions.

[0033] In some embodiments, such as Figures 2 to 4 As shown, both the first connector 5 and the second connector 6 are bolted connectors. The component connection terminal 12 has a first mounting hole 121, and the first connecting surface 2111 has a second mounting hole 21111. The first connector 5 passes through the first mounting hole 121 and the second mounting hole 21111 to fix the component connection terminal 12 to the first connecting surface 2111. The connecting part 22 has a third mounting hole 221, and the side of the heat sink 3 facing the connecting part 22 has a fourth mounting hole 31. The second connector 6 passes through the third mounting hole 221 and the fourth mounting hole 31 to fix the connecting part 22 to the heat sink 3. Through the above connection method, on the one hand, the corresponding components can be tightly and effectively attached together to ensure effective heat transfer; on the other hand, the corresponding components can be detachably connected, which not only ensures stable connection but also facilitates later maintenance and replacement.

[0034] It is understandable that the connection method between the bolt connector and the corresponding two mounting holes can be as follows: one mounting hole is configured as a through hole, and the other is configured as a threaded hole. The bolt shank of the bolt connector is then passed through the through hole and connected to the threaded hole. In this case, the head of the bolt connector rests against one side of the through hole. Tightening the bolt connector will press and fix the component with the through hole to the component with the threaded hole. Alternatively, both mounting holes can be configured as through holes. The bolt shank of the bolt connector is then passed through both mounting holes and threadedly connected to the shank with a nut. In this case, the head of the bolt connector rests against one side of one through hole, and the nut rests against the other side of the other through hole. Tightening the nut will press and fix the components with the two through holes together. The choice can be made based on the specific type and shape of the connector and component ends; no restrictions are imposed here, and further details will not be elaborated.

[0035] To ensure structural compactness, the component connection terminal 12 has a small structural volume. Typically, the component connection terminal 12 and the copper busbar 13 are connected by bolts, specifically the third connector 7. In this case, if the third connector 7 and the first connector 5 are installed in the same direction, the heads of the first connector 5 and the third connector 7 may interfere with each other. Therefore, if... Figure 3 and Figure 4As shown, in this embodiment, the first mounting hole 121 is a threaded hole, and the second mounting hole 21111 is a through hole that passes through the first connecting surface 2111 and the second connecting surface 2112. A receiving groove 21121 is provided on one side of the second connecting surface 2112 of the insulating heat-conducting component 2, corresponding to the second mounting hole 21111. One end of the head of the first connecting component 5 is received in the receiving groove 21121, and the other end passes through the second mounting hole 21111 from the second connecting surface 2112 and is threadedly connected to the first mounting hole 121. Through the above arrangement, the first connecting component 5 and the third connecting component 7 can be arranged in opposite directions, so that the free end of the screw of the first connecting component 5 corresponds to the head of the third connecting component 7, avoiding interference between them. At the same time, the first connecting component 5 (including the head of the first connecting component 5) is received in the receiving groove 21121, and the first connecting component 5 will not extend beyond the second connecting surface 2112, thereby preventing the first connecting component 5 from interfering with the thermal contact between the second connecting surface 2112 and the heat sink 3.

[0036] Preferably, such as Figure 2 and Figure 4 As shown, an insulating cap 51 can also be configured in the receiving groove 21121. The insulating cap 51 can be sleeved on the head of the first connector 5. When there is insufficient electrical clearance between the first connector 5 and the heat sink 3, the insulating cap 51 can be installed between the first connector 5 and the heat sink 3 for insulation isolation.

[0037] In some embodiments, such as Figure 3 and Figure 4 As shown, the heat-conducting boss 21 includes a first heat-conducting part 211, a second heat-conducting part 212, and a third heat-conducting part 213. The second heat-conducting part 212 and the third heat-conducting part 213 are disposed opposite to and spaced apart on both sides of the first heat-conducting part 211 along the second direction y. The first connecting surface 2111 and the second connecting surface 2112 are defined in the first heat-conducting part 211, and the second direction y is perpendicular to the first direction x. At this time, the first heat-conducting part 211, the second heat-conducting part 212, and the third heat-conducting part 213 form a U-shaped structure that is adapted to the shape of the component connecting terminal 12. After the component connecting terminal 12 is connected to the first heat-conducting part 211, the lower surface of the end connecting terminal abuts against the upper surface of the first heat-conducting part 211, i.e., the first connecting surface 2111. The two side surfaces of the component connecting terminal 12 distributed along the second direction y abut against the opposite inner surfaces of the second heat-conducting part 212 and the third heat-conducting part 213. In this way, the heat-conducting boss 21 can make three-sided contact with the end connection terminal through the first heat-conducting part 211, the second heat-conducting part 212 and the third heat-conducting part 213, thereby increasing the heat-conducting contact area and effectively improving the heat conduction efficiency.

[0038] In some embodiments, such as Figure 2 , Figure 3 and Figure 5As shown, the high-voltage connector also includes a temperature sensor 8, which is sandwiched between the component connection terminal 12 and the insulating heat-conducting component 2, and is attached to the component connection terminal 12. The temperature sensor 8 effectively and accurately reflects the temperature value of the heat source, i.e., the component connection terminal 12. The component-side controller can read the temperature value fed back by the temperature sensor 8 and upload it to the thermal management system for monitoring, reducing the risk of thermal runaway of the high-voltage connector.

[0039] Specifically, such as Figure 3 and Figure 5 As shown, a mounting groove 21112 can be opened on the first connecting surface 2111 of the insulating heat-conducting component 2, and then the temperature sensor 8 can be arranged in the mounting groove 21112. The surface of the temperature sensor 8 can be flush with the first connecting surface 2111. When the component connecting terminal 12 is in thermal contact with the first connecting surface 2111, the temperature sensor 8 will be attached to the component connecting terminal 12, thereby quickly and accurately detecting the temperature of the component connecting terminal 12.

[0040] In addition, such as Figure 5 As shown, when the component connection terminal 12 is connected to the positive / negative copper busbar 13 of the battery pack using the third connector 7, a threaded hole can be opened on the first connection surface 2111 of the insulating heat-conducting component 2, and the third connector 7 can be fixedly connected to the first connection surface 2111, so that the connection between the component connection terminal 12 and the insulating heat-conducting component 2 is tighter, ensuring that the component connection terminal 12 and the insulating heat-conducting component 2, as well as the component connection terminal 12 and the temperature sensor 8, are in full contact.

[0041] In some embodiments, the first connecting surface 2111 and / or the second connecting surface 2112 are coated with thermally conductive adhesive or thermally conductive grease (not shown in the figure). The thermally conductive adhesive or thermally conductive grease can fill the micro gaps between the component connecting terminal 12 and the first connecting surface 2111 and / or between the heat sink 3 and the second connecting surface 2112, so that the contact interface fits better and effectively improves the thermal conductivity.

[0042] Furthermore, thermally conductive adhesive or thermally conductive grease can also be filled or coated in the mounting gaps of the first connector 5, the second connector 6, the third connector 7, and the temperature sensor 8 to ensure more adequate thermal contact.

[0043] Furthermore, in another embodiment, a battery pack is also provided, including the high-voltage connector described in the above embodiments. It is understood that for other structures and working principles of the high-voltage connector, please refer to the above description of the embodiments for the high-voltage connector; for other structures of the battery pack, please refer to the prior art. Since the high-voltage connector has the aforementioned technical effects, the battery pack having this high-voltage connector should also have corresponding technical effects, which will not be elaborated further here.

[0044] In another embodiment, an electrical device is also provided, which includes the battery pack or the high-voltage connector of the above embodiments. This electrical device includes, but is not limited to, power supply equipment, vehicles, ships, spacecraft, etc. For other structures and working principles of the battery pack or high-voltage connector in this electrical device, please refer to the above description of the embodiments for the battery pack or high-voltage connector. Since the battery pack or high-voltage connector has the aforementioned technical effects, the electrical device having the battery pack or high-voltage connector should also have corresponding technical effects, which will not be repeated here.

[0045] It is understood that, in this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified. The terms "some embodiments," "exemplarily," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model.

[0047] The illustrative expressions of the terms used above do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, those skilled in the art can combine and integrate the different embodiments or examples described herein, as well as the features of those different embodiments or examples, without contradiction.

[0048] Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, substitutions and variations to the above embodiments within the scope of the present invention. Therefore, any changes or modifications made in accordance with the claims and description of the present invention should fall within the scope of the patent coverage of the present invention.

Claims

1. A high-voltage connector, characterized in that, include: The connector body has a wire harness connection terminal at one end suitable for connection with a cable, and a component connection terminal at the other end suitable for connection with a battery pack. The wire harness connection terminal is electrically connected to the component connection terminal. and An insulating thermally conductive component, one end of which is thermally connected to the component connection terminal, and the other end of which is adapted to be thermally connected to the heat sink of the battery pack.

2. A high-voltage connector according to claim 1, characterized in that, The insulating heat-conducting component has a first connecting surface and a second connecting surface that are opposite to each other along a first direction. The first connecting surface is attached to the component connecting terminal and is fixedly connected to the component connecting terminal through a first connector. The second connecting surface is attached to the heat sink and is fixedly connected to the heat sink through a second connector.

3. A high-voltage connector according to claim 2, characterized in that, The insulating heat-conducting component includes at least one heat-conducting boss and connecting portions distributed on both sides of the heat-conducting boss, wherein the first connecting surface and the second connecting surface are defined by the heat-conducting boss.

4. A high-voltage connector according to claim 3, characterized in that, Both the first connector and the second connector are bolt connectors. The component connection terminal is provided with a first mounting hole, and the first connection surface is provided with a second mounting hole. The first connector passes through the first mounting hole and the second mounting hole to fix the component connection terminal to the first connection surface. The connecting part is provided with a third mounting hole, and the heat sink is provided with a fourth mounting hole on the side facing the connecting part. The second connector passes through the third mounting hole and the fourth mounting hole to fix the connecting part to the heat sink.

5. A high-voltage connector according to claim 4, characterized in that, The first mounting hole is a threaded hole, and the second mounting hole is a through hole that passes through the first connecting surface and the second connecting surface. A receiving groove is provided on one side of the second connecting surface of the insulating heat-conducting component corresponding to the second mounting hole. One end of the head of the first connector is received in the receiving groove, and the other end passes through the second mounting hole from the second connecting surface and is threadedly connected to the first mounting hole.

6. A high-voltage connector according to claim 3, characterized in that, The heat-conducting boss includes a first heat-conducting part, a second heat-conducting part, and a third heat-conducting part. The second heat-conducting part and the third heat-conducting part are disposed opposite to and spaced apart on both sides of the first heat-conducting part distributed along a second direction, and the second direction is perpendicular to the first direction. The first connecting surface and the second connecting surface are defined in the first heat-conducting part. The opposite inner surfaces of the second heat-conducting part and the third heat-conducting part are attached to both sides of the component connecting terminal distributed along the second direction.

7. A high-voltage connector according to claim 1, characterized in that, It also includes a temperature sensor, which is sandwiched between the component connection terminal and the insulating heat-conducting component, and is attached to the component connection terminal.

8. A high-voltage connector according to claim 2, characterized in that, The first and / or second connection surfaces are coated with thermally conductive adhesive or thermally conductive silicone grease.

9. A battery pack, characterized in that, Including the high-voltage connector as described in any one of claims 1-8.

10. An electrical appliance, characterized in that, Includes the battery pack as described in claim 9.

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