Battery high-voltage box and electric device

Abstract

The utility model relates to electric equipment technical field especially relates to a battery high pressure box and electric device. Battery high pressure box includes box main body, metal conductive row, charging terminal and battery replacement connector, and battery replacement connector is located at the bottom of box main body, and metal conductive row is located in box main body and is connected with charging terminal, and battery replacement connector connects metal conductive row to be connected with charging terminal to integrate battery replacement connector to battery high pressure box, can save the high pressure wire harness needed for battery replacement connector and box main body connection, reduces cost's simultaneously, still greatly reduced high pressure wire harness connecting point, reduces the high pressure electric leakage safety risk point caused by wire harness interference wear and tear and poor contact of connecting point, wherein, the bottom of box main body has the recessed portion recessed to the inside of box main body, and battery replacement connector is arranged in recessed portion, so that battery high pressure box can be directly stacked in the transportation process, and does not need to lay down, reduces the damage rate when transporting.

Description

Technical Field

[0001] This utility model relates to the field of electrical equipment technology, and in particular to a battery high-voltage box and electrical device. Background Technology

[0002] Currently, the battery swapping systems for pure electric heavy-duty trucks in the industry typically use traditional battery high-voltage boxes. These boxes first connect to high-voltage wiring harnesses, which then connect to battery swapping connectors. Traditional high-voltage boxes usually require 4 to 6 high-voltage wiring harnesses and connectors to connect the battery system to the high-voltage box. Connection terminals are located on the outside of the high-voltage box, and these terminals connect to the battery swapping connectors via wiring harnesses. The battery swapping connectors are fixed to the frame supporting the battery system. Furthermore, if the battery swapping connector is located at the bottom of the high-voltage box and protrudes from the bottom wall, the high-voltage box may be inverted during transportation, which increases the damage rate during transport.

[0003] Therefore, there is an urgent need for a high-voltage battery box to solve the above-mentioned technical problems. Utility Model Content

[0004] In one aspect, this utility model provides a battery high-voltage box; in another aspect, it provides an electrical device, the purpose of which is to reduce high-voltage wiring harnesses and connectors, and to reduce the damage rate of the battery high-voltage box during transportation.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] In a first aspect, a high-voltage battery box is provided, comprising a box body, a metal conductive busbar, a charging terminal, and a battery swapping connector. The battery swapping connector is located at the bottom of the box body, the metal conductive busbar is located inside the box body and connected to the charging terminal, and the battery swapping connector is connected to the metal conductive busbar to be connected to the charging terminal.

[0007] The bottom of the main body of the box has a recessed portion that is recessed inward, and the battery swapping connector is disposed in the recessed portion.

[0008] Secondly, an electrical device is provided, which contains the aforementioned high-voltage battery box.

[0009] This utility model has at least the following beneficial effects:

[0010] In this invention, the battery swapping connector is directly connected to the metal conductive busbar located inside the main body of the box, thereby integrating the battery swapping connector onto the high-voltage battery box. This saves on the high-voltage wiring harness required for connecting the battery swapping connector to the main body of the box, reducing costs and significantly decreasing the number of high-voltage wiring harness connection points. This also reduces the risk of high-voltage leakage due to wiring harness interference, wear, and poor contact at connection points. The battery swapping connector is installed in a recessed part at the bottom of the main body of the box, allowing the high-voltage battery boxes to be stacked directly during transportation without having to be laid down, thus reducing the damage rate during transportation. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model 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 content of the embodiments of this utility model and these drawings without creative effort.

[0012] Figure 1 A first-view structural schematic diagram of the battery high-voltage box provided in an embodiment of this utility model;

[0013] Figure 2 A second-view structural schematic diagram of the battery high-voltage box provided in an embodiment of this utility model (without cover plate).

[0014] Figure 3 A first-view structural schematic diagram of the battery high-voltage box provided in an embodiment of this utility model (without cover plate).

[0015] Figure 4 A front view of the battery high-voltage box provided in an embodiment of this utility model;

[0016] Figure 5 Rear view of the battery high-voltage box provided in an embodiment of this utility model;

[0017] Figure 6 A left-side view of the battery high-voltage box provided in an embodiment of this utility model;

[0018] Figure 7 The right side view of the battery high-voltage box provided in an embodiment of this utility model.

[0019] In the picture:

[0020] 1. Box body; 11. Support frame; 111. Recess; 12. First side wall; 13. Second side wall; 14. Third side wall; 15. Fourth side wall; 2. Metal conductive bar; 31. First charging positive terminal; 32. Second charging positive terminal; 33. First charging negative terminal; 34. Second charging negative terminal; 4. Battery swapping connector; 41. Flanged edge; 42. First discharging negative terminal; 43. Second discharging negative terminal; 44. First discharging positive terminal; 45. Second discharging positive terminal; 5. Manual maintenance switch; 6. Debugging interface; 7. Vehicle communication interface; 8. Battery communication interface; 91. First battery positive terminal; 92. Second battery positive terminal; 93. First battery negative terminal; 94. Second battery negative terminal; 10. Automotive thermal management system interface; 20. Relay. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0022] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" 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 based on the specific circumstances.

[0023] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0024] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0025] The battery high-voltage box, also known as the high-voltage power distribution unit box, is responsible for the power distribution and management of the high-voltage system in new energy vehicles. It provides functions such as charging and discharging control, high-voltage component power-on control, circuit overload and short-circuit protection, high-voltage sampling, and low-voltage control for the whole vehicle, protecting and monitoring the operation of the high-voltage system.

[0026] Currently, the battery systems for pure electric heavy-duty trucks in the industry typically consist of multiple standard battery packs connected in series and parallel to a multi-branch high-voltage battery box. This series-parallel connection of multiple standard battery packs meets the high voltage, high current, high capacity, high rate, and multi-gun fast charging requirements of heavy-duty trucks. The high-voltage battery box plays a crucial role in distributing power and controlling signals transmitted from the battery packs, as well as providing circuit protection. If the battery high-voltage box has a battery swapping connector protruding from its bottom, it can cause the high-voltage box to be inverted during transportation, increasing the risk of damage during transport.

[0027] like Figures 1 to 7 As shown, this utility model provides a battery high-voltage box to reduce the damage rate of the battery high-voltage box during transportation.

[0028] like Figures 1 to 3 As shown, the battery high-voltage box includes a box body 1, a metal conductive busbar 2, a charging terminal, and a battery swapping connector 4. The battery swapping connector 4 is located at the bottom of the box body 1, and the metal conductive busbar 2 is located inside the box body 1 and connected to the charging terminal. The battery swapping connector 4 connects to the metal conductive busbar 2 to connect to the charging terminal. The bottom of the box body 1 has a recessed portion 111 that is recessed into the inside of the box body 1, and the battery swapping connector 4 is disposed in the recessed portion 111.

[0029] The battery swapping connector 4 connects to the metal conductive busbar 2 located inside the main body 1, thereby integrating the battery swapping connector 4 onto the battery high-voltage box. This saves on the high-voltage wiring harness required for connecting the battery swapping connector 4 to the main body 1, reducing costs and significantly decreasing the number of high-voltage wiring harness connection points. This also reduces the risk of high-voltage leakage caused by interference wear and poor contact at connection points. Furthermore, the battery swapping connector 4 is installed in the recess 111 at the bottom of the main body 1, allowing the battery high-voltage boxes to be stacked directly during transportation without being laid down, thus reducing the damage rate during transport.

[0030] In some embodiments, the volume of the recess 111 is larger than the volume of the battery swapping connector 4. The larger volume of the recess 111 allows the battery swapping connector 4 to be smoothly inserted into the recess 111, improving assembly efficiency.

[0031] It should be explained that the recess 111 should ensure that the volume of the recess 111 into which the battery swapping connector 4 is inserted is greater than the volume of the battery swapping connector 4.

[0032] In some embodiments, the shape of the recess 111 is the same as that of the battery swapping connector 4.

[0033] Here, it means that the shape of the recess 111 is exactly the same as the shape of the battery swapping connector 4, or the shape of the recess 111 is the same as the outer contour of the battery swapping connector 4.

[0034] Of course, in some other embodiments, the shape of the recess 111 is different from that of the battery swapping connector 4. As long as the recess 111 can allow the battery swapping connector 4 to enter it, the shapes do not need to be exactly the same.

[0035] For example, the recess 111 is rectangular, but the shape of the battery swapping connector 4 is not limited to a rectangle. It can be a rectangle or other shapes, as long as it can enter the recess 111.

[0036] In some embodiments, the height of the recess 111 is greater than the height of the battery swapping connector 4. This greater height prevents the battery swapping connector 4 from being connected to a cable after being inserted into the recess 111, which could cause the battery high-voltage box to be laid down. This design improves the versatility of the battery high-voltage box in both use and transportation.

[0037] In addition, the height of the recess 111 is greater than the height of the battery swapping connector 4, which can also be used to insert a portion of the battery swapping connector 4 with a longer length into the recess 111.

[0038] For example, the height of the recess 111 is set to... The height of the battery swapping connector 4 is ,in , .

[0039] Understandably, after the battery swapping connector 4 is inserted into the recess 111, the opening of the recess 111 is lower than the bottom of the battery swapping connector 4. This facilitates the insertion of the battery swapping connector 4 and prevents the battery swapping connector 4 from protruding from the recess 111. This further ensures that the battery high-voltage box will not be laid down during transportation. In addition, it also ensures that after the battery swapping connector 4 is inserted into the battery high-voltage box, it will not occupy any space other than the battery high-voltage box.

[0040] For example, The value can be 45mm, 50mm, 55mm, 60mm, 65mm or 70mm, and no specific limitation is made in this embodiment.

[0041] In some embodiments, the recess 111 at the bottom of the box body 1 forms a support frame 11, the wall thickness of the support frame 11 is d, wherein any wall thickness of the support frame 11 is greater than or equal to 2 mm.

[0042] It should be noted that the volume of the support frame 11 can be slightly larger or much larger than the volume of the battery swapping connector 4. This allows the battery swapping connector 4 to be located at any position within the area (i.e., the recess) enclosed by the support frame 11 during initial positioning, thus meeting the different positional requirements of the battery swapping connector 4. Furthermore, any wall thickness of the support frame 11 greater than or equal to 2mm can improve the support force of the support frame 11 on the overall battery high-voltage box, preventing the support frame 11 from being crushed by the battery high-voltage box, thereby meeting the support requirements for battery high-voltage boxes of different weights.

[0043] In some embodiments, the support frame 11 has a notch. The notch in the support frame 11 facilitates the connection and bending of the wiring harness and the battery swapping connector 4, thereby increasing the overall height requirement of the battery high-voltage box. After bending, the wiring harness passes directly through the notch in the support frame 11, so that the wiring harness does not occupy the height space outside the battery high-voltage box.

[0044] It should be noted that the specific location of the notch can be set according to actual needs. Of course, it can also be set on each side wall of the support frame 11, and at least one can be set on each side wall.

[0045] In addition, the notch design can reduce the overall weight of the battery high-voltage box, save materials, and reduce the manufacturing cost of the battery high-voltage box.

[0046] like Figure 4 As shown, in some embodiments, the first side wall 12 of the housing body 1 is provided with a manual maintenance switch 5 and a debugging interface 6.

[0047] Among them, the manual maintenance switch 5 is mainly used to cut off the high-voltage power supply when the battery high-voltage box is under maintenance, so as to ensure the safety of personnel and electrical equipment.

[0048] The manual maintenance switch 5 offers advantages such as electrical isolation (achieving system electrical isolation by manually disconnecting the high-voltage circuit to prevent accidental electric shock), short-circuit protection (a fuse can quickly cut off the current in the event of a short circuit, preventing damage to vehicle components), and convenient operation (quick disconnection / closure with the aid of tools, conforming to high-voltage maintenance specifications). The manual maintenance switch 5 is used to disconnect or connect the current inside the battery high-voltage box.

[0049] like Figure 5As shown, in some embodiments, the second side wall 13 of the box body 1 is provided with a first battery negative terminal 93 and a second battery negative terminal 94, and the second side wall 13 of the box body 1 is also provided with a grounding point.

[0050] The grounding point is the grounding point in the automotive electrical system used to connect the metal frame of the vehicle body to form a current loop. It is used to construct a single-wire circuit structure and ensure the stable operation of electrical equipment.

[0051] The first battery negative terminal 93 and the second battery negative terminal 94 are respectively connected to the battery pack.

[0052] like Figure 6 As shown, in some embodiments, the third sidewall 14 of the main body 1 is provided with a first charging positive terminal 31, a second charging positive terminal 32, a first charging negative terminal 33, a second charging negative terminal 34, a vehicle communication interface 7, and a battery communication interface 8. The first charging positive terminal 31, the second charging positive terminal 32, the first charging negative terminal 33, and the second charging negative terminal 34 are electrically connected to the battery swapping connector 4 through a metal conductive busbar 2.

[0053] For example, the metal busbar 2 includes a first metal busbar and a second metal busbar, and the relay 20 includes a first relay and a second relay. The first metal busbar is electrically connected to the power swapping connector 4 through the first relay, while the second metal busbar is electrically connected to the power swapping connector 4 through the second relay.

[0054] The first positive charging terminal 31 and the second positive charging terminal 32 are connected through the first metal conductive busbar, while the first negative charging terminal 33 and the second negative charging terminal 34 are connected through the second metal conductive busbar. The vehicle communication interface 7 and the battery communication interface 8 are connected to the controller.

[0055] It should be noted that the first positive charging terminal 31, the second positive charging terminal 32, the first negative charging terminal 33, and the second negative charging terminal 34 are connected to the battery swapping connector 4 through the metal conductive busbar 2 inside the main body 1.

[0056] like Figure 7 As shown, in some embodiments, the fourth side wall 15 of the main body 1 is provided with a first battery positive terminal 91, a second battery positive terminal 92 and an automotive thermal management system interface 10, wherein the second side wall 13 is arranged adjacent to the fourth side wall 15.

[0057] For example, the first side wall 12 is the front of the battery high-voltage box, the second side wall 13 is the back of the battery high-voltage box, the third side wall 14 is the left side of the battery high-voltage box, and the fourth side wall 15 is the right side of the battery high-voltage box. The second side wall 13 and the fourth side wall 15 are arranged adjacent to each other, which facilitates wiring.

[0058] Of course, in other embodiments, it could also be any two adjacent sidewalls, as long as wiring is convenient.

[0059] In some embodiments, the battery swapping connector 4 has a first discharge negative terminal 42, a second discharge negative terminal 43, a first discharge positive terminal 44, and a second discharge positive terminal 45. The first charging positive terminal 31 and the first discharge positive terminal 44 are fixedly connected by a metal conductive bus 2. The second charging positive terminal 32 and the second discharge negative terminal 43 are fixedly connected by a metal conductive bus 2. The first charging negative terminal 33 and the first discharge negative terminal 42 are fixedly connected by a metal conductive bus 2. The second charging negative terminal 34 and the second discharge negative terminal 43 are fixedly connected by a metal conductive bus 2.

[0060] It should be noted that the first charging positive terminal 31, the second charging positive terminal 32 and the first discharging positive terminal 44 are fixedly connected by the first metal conductive bus. In addition, the first metal conductive bus is also connected to the manual maintenance switch 5, and the first metal conductive bus is also connected to the first battery positive terminal 91 and the second battery positive terminal 92.

[0061] The second charging negative terminal 33, the first charging negative terminal 33, and the second discharging negative terminal 43 are fixedly connected by a second metal conductive busbar, which is also connected to the manual maintenance switch 5. The second metal conductive busbar is also connected to the first battery negative terminal 93 and the second battery negative terminal 94.

[0062] The first and second metal conductive busbars are connected to different manual maintenance switches 5.

[0063] The above interfaces can be partially removed or added according to functional requirements, thereby enabling different electrical functions.

[0064] The electrical equipment and components in this solution can provide a continuous power supply of 600A to 900A for 2 to 3 branch battery systems, a continuous discharge current of 900A for 3 branches, and a continuous charging current of 600A to 900A for 3 to 4 charging guns.

[0065] The technical solution provided in this application can solve the high voltage power distribution, signal control, signal detection and circuit protection requirements of high voltage, high current and high capacity battery devices in pure electric heavy trucks, save the use of high and low voltage connectors and high voltage electrical components (contactors, fuses, current sensors and other electrical components), and improve the safety of circuit use.

[0066] The technical solution provided in this application integrates and platforms the use of electrical components in the battery system, reduces the overall weight of the battery system device, and greatly improves the energy density of the battery system device.

[0067] For example, with the above solution, the battery high-voltage box can support 900A / 750V current power supply after three batteries are connected in parallel, and can realize 900A / 750V current discharge of three batteries in parallel and 900A fast charging of four guns, which meets the power distribution needs of pure electric heavy trucks in the current market.

[0068] The main body 1 of the box includes an upper cover and a lower box body, which are fixedly connected by fasteners. The battery high-voltage box also includes a sealing gasket, which is located between the upper cover and the lower box body to seal the connection between the upper cover and the lower box body. The box body is used to support the internal electrical components. The box body has a long strip structure with length and width directions. The ratio of the length to the width of the box body is in the range of 1.2 to 2.2. The first side wall 12, the fourth side wall 15 and the bottom wall of the box body are welded with mounting brackets for connecting and fixing the box body to the vehicle frame.

[0069] In some embodiments, the battery swapping connector 4 is fixedly connected to the housing body 1.

[0070] Specifically, the battery swapping connector 4 is fixedly connected to the bottom wall of the main body 1.

[0071] It should be noted that the battery swapping connector 4 and the main body 1 can be detachably connected, which facilitates the maintenance and replacement of the battery swapping connector 4.

[0072] Of course, in some other embodiments, the battery swapping connector 4 and the housing body 1 can be non-detachable, which can achieve the purpose of fastening the battery swapping connector 4.

[0073] For example, the battery swapping connector 4 has a flange 41 with a through hole, and the battery swapping connector 4 is fixedly connected to the housing body 1 by a locking screw inserted into the through hole.

[0074] The flange 41 allows the battery swapping connector 4 to be fixed to the main body 1 of the enclosure without affecting its use. Furthermore, the flange 41 is secured with a locking screw, saving on installation costs. One end of the locking screw passes through a through hole and is directly fixed to the main body 1.

[0075] In some other embodiments, the battery swapping connector 4 is snapped into the housing body 1. For example, the flange 41 of the battery swapping connector 4 has a locking hole, while the housing body 1 has a snap-fit. The snap-fit ​​engages with the locking hole to fix the battery swapping connector 4 onto the housing body 1, thereby improving the assembly efficiency of the battery swapping connector 4. The structure of the snap-fit ​​is prior art and will not be described in detail here.

[0076] In some embodiments, the bottom wall of the housing body 1 is provided with a first positioning structure, and the battery swapping connector 4 is provided with a second positioning structure. The first positioning structure and the second positioning structure cooperate to position the battery swapping connector 4 on the bottom wall of the housing body 1.

[0077] The first positioning structure and the second positioning structure work together to position the battery swapping connector 4 on the bottom wall of the main body 1, which facilitates the connection and fixation of the battery swapping connector 4 and the main body 1.

[0078] For example, in the first positioning structure and the second positioning structure, one includes a positioning protrusion and the other includes a positioning hole, with the positioning protrusion inserted into the positioning hole. The positioning protrusion and the positioning hole together achieve the purpose of pre-installation.

[0079] Specifically, the first positioning structure includes a positioning protrusion, while the second positioning structure includes a positioning hole. The positioning hole is specifically located at the flange 41 of the battery swapping connector 4, which facilitates the initial pre-positioning of the battery swapping connector 4. After the battery swapping connector 4 is pre-positioned, a locking screw is inserted into the flange 41 of the battery swapping connector 4 to fix it to the housing body 1.

[0080] The battery high-voltage box also includes a cover plate, which is located on top of the box body 1 and closes the opening of the box body.

[0081] This utility model also provides an electrical device, which contains the battery high-voltage box described in the above embodiments.

[0082] Since the power supply device contains the aforementioned high-voltage battery box, the battery swapping connector 4 is connected to the metal conductive busbar 2 located inside the box body 1, thereby integrating the battery swapping connector 4 onto the high-voltage battery box. This saves on the high-voltage wiring harness required for connecting the battery swapping connector 4 to the box body 1, reducing costs and significantly decreasing the number of high-voltage wiring harness connection points. This also reduces the risk of high-voltage leakage due to wiring harness interference and wear, as well as poor contact at connection points. The battery swapping connector 4 is installed in the recessed part 111 at the bottom of the box body 1, allowing the high-voltage battery boxes to be stacked directly during transportation without needing to be laid down, thus reducing the damage rate during transportation.

[0083] Since it includes the above-mentioned electronic control system or battery high-voltage box, the power supply device of this utility model embodiment has all the advantages and beneficial effects of the above embodiments, which will not be repeated here.

[0084] Furthermore, the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A battery high-voltage box, characterized in that, The device includes a main body (1), a metal conductive busbar (2), a charging terminal, and a battery swapping connector (4). The battery swapping connector (4) is located at the bottom of the main body (1). The metal conductive busbar (2) is located inside the main body (1) and connected to the charging terminal. The battery swapping connector (4) is connected to the metal conductive busbar (2) to connect to the charging terminal. The bottom of the box body (1) has a recess (111) that is recessed into the inside of the box body (1), and the battery swapping connector (4) is disposed in the recess (111).

2. The battery high-voltage box according to claim 1, characterized in that, The volume of the recess (111) is larger than the volume of the battery swapping connector (4).

3. The battery high-voltage box according to claim 2, characterized in that, The shape of the recess (111) is the same as that of the battery swapping connector (4).

4. The battery high-voltage box according to claim 1, characterized in that, The height of the recess (111) is greater than the height of the battery swapping connector (4).

5. The battery high-voltage box according to claim 4, characterized in that, The height of the recessed portion (111) is set to The height of the battery swapping connector (4) is ,in , .

6. The battery high-voltage box according to any one of claims 1-5, characterized in that, The bottom of the box body (1) forms a support frame (11), the wall thickness of the support frame (11) is d, and any wall thickness of the support frame (11) is greater than or equal to 2mm.

7. The battery high-voltage box according to claim 6, characterized in that, The support frame (11) has a notch.

8. The battery high-voltage box according to any one of claims 1-5, characterized in that, The first side wall (12) of the main body (1) of the box is provided with a manual maintenance switch (5) and a debugging interface (6).

9. The battery high-voltage box according to any one of claims 1-5, characterized in that, The second side wall (13) of the main body (1) is provided with a first battery negative terminal (93) and a second battery negative terminal (94), and the second side wall (13) of the main body (1) is also provided with a grounding point.

10. The battery high-voltage box according to claim 9, characterized in that, The charging terminals include a first positive charging terminal (31), a second positive charging terminal (32), a first negative charging terminal (33), and a second negative charging terminal (34). The third sidewall (14) of the main body (1) is provided with the first positive charging terminal (31), the second positive charging terminal (32), the first negative charging terminal (33), the second negative charging terminal (34), a vehicle communication interface (7), and a battery communication interface (8). The first positive charging terminal (31), the second positive charging terminal (32), the first negative charging terminal (33), and the second negative charging terminal (34) are electrically connected to the metal conductive busbar (2).

11. The battery high-voltage box according to claim 10, characterized in that, The fourth side wall (15) of the main body (1) is provided with a first battery positive terminal (91), a second battery positive terminal (92) and an automotive thermal management system interface (10), and the second side wall (13) is arranged adjacent to the fourth side wall (15).

12. The battery high-voltage box according to claim 11, characterized in that, The battery swapping connector (4) has a first discharge negative terminal (42), a second discharge negative terminal (43), a first discharge positive terminal (44), and a second discharge positive terminal (45). The first charging positive terminal (31) and the first discharge positive terminal (44) are fixedly connected through the metal conductive bus (2). The second charging positive terminal (32) and the second discharge positive terminal (45) are fixedly connected through the metal conductive bus (2). The first charging negative terminal (33) and the first discharge negative terminal (42) are fixedly connected through the metal conductive bus (2). The second charging negative terminal (34) and the second discharge negative terminal (43) are fixedly connected through the metal conductive bus (2).

13. The battery high-voltage box according to any one of claims 1-5, characterized in that, The battery swapping connector (4) is fixedly connected to the main body of the box (1).

14. The battery high-voltage box according to claim 13, characterized in that, The battery swapping connector (4) has a flange (41) with a through hole, and the battery swapping connector (4) is fixedly connected to the housing body (1) by a locking screw inserted into the through hole.

15. The battery high-voltage box according to any one of claims 1-5, characterized in that, The battery swapping connector (4) is snapped into the main body of the box (1).

16. The battery high-voltage box according to any one of claims 1-5, characterized in that, The bottom wall of the main body (1) of the box is provided with a first positioning structure, and the battery swapping connector (4) is provided with a second positioning structure. The first positioning structure and the second positioning structure cooperate to position the battery swapping connector (4) on the bottom wall of the main body (1).

17. The battery high-voltage box according to claim 16, characterized in that, Of the first positioning structure and the second positioning structure, one includes a positioning protrusion and the other includes a positioning hole, wherein the positioning protrusion is inserted into the positioning hole.

18. An electrical appliance, characterized in that, It is equipped with a high-voltage battery box as described in any one of claims 1-17.

Images