Box body, high-voltage box device, energy storage device and electric device

Abstract

The application relates to the technical field of energy storage equipment energy sources, and provides a box body, a high-voltage box device, energy storage equipment and an electric equipment. The high-voltage box device comprises a functional module and a box body, and the functional module is installed on the box body. The box body comprises a shell, a support and a tray assembly, the support is arranged in the shell, and the tray assembly is movably arranged on the support. A first opening is arranged on the shell, the tray assembly can be moved relative to the support between a first position and a second position, so that the tray assembly can be at least partially moved to outside the shell through the first opening. The tray assembly is used for fixing a functional module, and the tray assembly can drive the functional module to move from the shell to outside the shell, so that the functional module can be installed and maintained.

Description

[Technical Field]

[0001] This application relates to the field of energy storage equipment technology, and in particular to a housing, a high-voltage box device, an energy storage device, and an electrical device. [Background Technology]

[0002] In recent years, with the development of new energy technologies, batteries, as a highly efficient, clean, and recyclable energy source, have been increasingly widely used. The high-voltage box of a battery is a control unit that distributes battery energy and is one of the key components of an electric vehicle. The high-voltage box contains functional modules such as a battery management system, power control, and insulation detection. When a functional module malfunctions, the high-voltage box needs to be disassembled and replaced, making installation and maintenance relatively complex. [Summary of the Invention]

[0003] To address the aforementioned technical problems, this application provides a housing, a high-voltage box device, an energy storage device, and an electrical appliance, which facilitates the installation and maintenance of functional modules.

[0004] The technical problem solved by the embodiments of this application is addressed by the following technical solution:

[0005] In a first aspect, one embodiment of this application provides a housing, including a shell, a support, and a tray assembly. The support is disposed within the shell, and the tray assembly is movably disposed on the support. The shell has a first opening, and the tray assembly is movable relative to the support, allowing the tray assembly to move at least partially through the first opening to the outside of the shell. The tray assembly is used to fix a functional module, thereby facilitating the movement of the functional module between the inside and outside of the shell for installation and maintenance.

[0006] In some embodiments, the support is provided with a slide rail, and the tray assembly is disposed within the slide rail, the tray assembly being movable relative to the support along the slide rail. The slide rail serves to limit and guide the support.

[0007] In some embodiments, the slide rail includes a first slide rail and a second slide rail, which are respectively disposed on opposite sides of the bracket. The tray assembly includes a first tray and a second tray, with the first tray disposed on the first slide rail and the second tray disposed on the second slide rail. The first tray and the second tray can each be equipped with different functional modules, allowing different functional modules to be individually moved outside the housing for installation and maintenance.

[0008] In some embodiments, the first slide is disposed along a first direction, and the first tray is movable within the first slide along the first direction, such that the first tray is limited relative to the bracket in a second direction and a third direction. The second slide is disposed along the first direction, and the second tray is movable within the second slide along the first direction, such that the second tray is limited relative to the bracket in a second direction and a third direction. The first direction, the second direction, and the third direction are perpendicular to each other.

[0009] In some embodiments, the housing includes a base plate, and the support is disposed on the base plate. The support includes a main body, a first slide rail, and a second slide rail. The first slide rail is disposed on the side of the main body facing the base plate, and the second slide rail is disposed on the side of the main body away from the base plate. The first slide rail and the base plate form the first slide rail, and the second slide rail and the main body form the second slide rail.

[0010] In some embodiments, the housing further includes a first side plate disposed on one side of the base plate along a first direction. When the first tray moves to a first position, the first tray is connected to the first side plate. When the second tray moves to the first position, the second tray is connected to the first side plate. The first side plate can limit the movement of both the first tray and the second tray along the first direction.

[0011] In some embodiments, the first tray includes a first tray portion and a first extension portion, the first tray portion being connected to the first extension portion. The first tray portion is used to secure the functional module, and the first extension portion is configured to connect to the first slide portion.

[0012] In some embodiments, the first slide portion includes a first segment and a second segment, the first segment extending from the main body portion in a direction away from the base plate, and the second segment extending from the first segment along a second direction. The first extension portion includes a first extension segment and a second extension segment, the first extension segment extending from the first tray portion in a direction away from the base plate, and the second extension segment extending from the first extension segment along a second direction. The first segment is configured to restrict movement of the first extension segment along the second direction, and the second segment is configured to restrict movement of the second extension segment along a third direction. The first direction, the second direction, and the third direction are all perpendicular to each other.

[0013] In some embodiments, a gap is provided between the first section and the first extension section along the second direction to reduce the friction between the first section and the first extension section, which is beneficial to the movement of the first tray.

[0014] In some embodiments, a gap is provided between the second section and the second extension section along the second direction to reduce the friction between the second section and the second extension section, which is beneficial to the movement of the first tray.

[0015] In some embodiments, the main body includes a support portion and a connecting portion, and the second slide portion is disposed on the support portion.

[0016] In some embodiments, the connecting portion includes a first connecting section and a second connecting section, the first connecting section connecting the support portion and the second connecting section, the first connecting section extending from one side of the support portion toward the base plate, and the second connecting section extending from the first connecting section along a second direction.

[0017] In some embodiments, along a second direction, the second connecting segment and the second segment are respectively disposed on opposite sides of the first segment, and the first connecting segment, the second connecting segment and the first segment form a receiving groove.

[0018] In some embodiments, the housing includes fasteners that secure the second connecting section and the base plate, the fasteners being at least partially disposed in the receiving slot.

[0019] Secondly, another embodiment of this application provides a high-pressure box device, including a functional module and a box body as described in any of the above claims, wherein the functional module is mounted on the tray assembly.

[0020] In some embodiments, the functional module includes a first circuit board and a second circuit board, the first circuit board having a first connector and the second circuit board having a second connector. The high-voltage box device includes a fourth circuit board having a fourth connector, the first connector and the fourth connector being plugged into each other to connect the first circuit board and the fourth circuit board, and the second connector and the fourth connector being plugged into each other to connect the second circuit board and the fourth circuit board.

[0021] In some embodiments, the functional module includes at least one of a management system motherboard, a power supply motherboard, and an insulation detection board.

[0022] Thirdly, another embodiment of this application provides an energy storage device, including the high-voltage box device described in any of the above claims.

[0023] Fourthly, another embodiment of this application provides an electrical device including the high-voltage box device described in any of the above claims.

[0024] Compared with the prior art, in the embodiments of this application, the housing is provided with the first opening, the bracket is disposed inside the housing, the tray assembly is movably disposed on the bracket, the tray assembly is movable relative to the bracket, the functional module can be installed on the tray assembly, and the tray assembly can drive the functional module to move from inside the housing to outside the housing, so as to facilitate the installation and maintenance of the functional module. [Attached Image Description]

[0025] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0026] Figure 1 This is a schematic diagram of the structure of a high-voltage box device provided in one embodiment of this application;

[0027] Figure 2 for Figure 1 An exploded view of the high-voltage box device is shown below;

[0028] Figure 3 for Figure 1 The diagram shows the structural structure of the high-voltage box device housing;

[0029] Figure 4 for Figure 3 A schematic diagram of the lower shell of the shell shown;

[0030] Figure 5 for Figure 1 The diagram shows the structural design of the support frame for the high-voltage box device.

[0031] Figure 6 for Figure 5 Enlarged view of point A on the bracket shown;

[0032] Figure 7 for Figure 1 The diagram shows the structural schematic of the housing and tray assembly of the high-voltage box device, with some components omitted.

[0033] Figure 8 for Figure 7 The diagram shows the structure of the first and second trays of the tray assembly.

[0034] Figure 9 This is a schematic diagram of the structure of a high-voltage box device provided in another embodiment of this application;

[0035] Figure 10 for Figure 9 The diagram shows the structural structure of the high-voltage box device housing, with some components omitted.

[0036] Figure 11 Figure 9 A structural schematic diagram of the high-voltage box device from another perspective;

[0037] Figure 12 Figure 9 A schematic diagram of the structure of the first tray and the first circuit board of the high-voltage box device shown;

[0038] Figure 13 Figure 9 The diagram shows the structure of the second tray and the second circuit board of the high-voltage box device.

Detailed Implementation Methods

[0039] To facilitate understanding of this application, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and similar expressions used in this specification are for illustrative purposes only.

[0040] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0041] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0042] Please refer to the following: Figures 1 to 3 One embodiment of this application provides a high-voltage box device 300, including a box body 100 and a functional module 200, with the functional module 200 mounted on the box body 100. The box body 100 includes a housing 10, a support 20, and a tray assembly 30. The support 20 is disposed within the housing 10, and the tray assembly 30 is movably disposed on the support 20. The housing 10 has a first opening 101, and the tray assembly 30 is movable relative to the support 20 between a first position and a second position, such that the tray assembly 30 can move at least partially through the first opening 101 to the outside of the housing 10. The tray is used to fix the functional module.

[0043] Please refer to the following: Figures 2 to 4The housing 10 includes a lower shell 11 and an upper cover 12, which are connected and enclose to form a receiving space. A support 20 is disposed within the receiving space. The lower shell 11 includes a bottom plate 110, a first side plate 112, and two second side plates 114, which are respectively disposed on the bottom plate 110. The first side plate 112 is disposed on one side of the bottom plate 110 along a first direction X, and the two second side plates 114 are respectively disposed on both sides of the bottom plate 110 along a second direction Y, with the first side plate 112 connected to the two second side plates 114 respectively. The upper cover 12 includes a top plate 120 and a third side plate 122, which are spaced apart from the bottom plate 110 along a third direction Z. The top plate 120 is connected to the side of the first side plate 112 and the second side plate 114 opposite to the bottom plate 110. The third side plate 122 extends from the top plate 120 along the third direction Z to abut against the bottom plate 110. The third side plate 122 is also connected to the side of each of the two second side plates 114 opposite to the first side plate 112. The first side plate 112 has a first opening 101 to allow the receiving space to communicate with the outside. The first direction X, the second direction Y, and the third direction Z are perpendicular to each other.

[0044] Please refer to the following: Figures 4 to 6 The bracket 20 is disposed on the bottom plate 110 of the housing 10, and the position of the bracket 20 corresponds to the position of the first opening 101. The bracket 20 includes a main body 21, a first slide rail 22, and a second slide rail 23. The first slide rail 22 and the second slide rail 23 extend along a first direction, and are disposed on both sides of the main body 21 along a third direction Z. The first slide rail 22 is disposed on the side of the main body 21 facing the bottom plate 110, and the first slide rail 22 and the bottom plate 110 form a first slide rail A1. The second slide rail 23 is disposed on the side of the main body 21 away from the bottom plate 110, and the second slide rail 23 and the main body 21 form a second slide rail A2.

[0045] The main body 21 includes a supporting portion 210 and a connecting portion 212, with the connecting portion 212 located on the side of the supporting portion 210 facing the base plate 110. Preferably, the supporting portion 210 is arranged parallel to the base plate 110. A second slide rail portion 23 is provided on the supporting portion 210. The connecting portion 212 includes a first connecting section 2120 and a second connecting section 2122, with the first connecting section 2120 connecting between the supporting portion 210 and the second connecting section 2122. The first connecting section 2120 extends from one side of the supporting portion 210 toward the base plate 110, and the second connecting section 2122 extends from the first connecting section 2120 along a second direction Y. Preferably, the second connecting section 2122 is arranged parallel to the base plate 110. The second connecting section 2122 is connected to the base plate 110. The second connecting section 2122 is fixed to the base plate 110 by a riveting connection. It is understood that in other embodiments, the fixing method between the second connecting section 2122 and the base plate 110 can be set according to actual needs, such as screw connection, snap connection, welding, bonding, etc., and is not limited here.

[0046] The first slide section 22 is connected to the connecting section 212. The first slide section 22 includes a first section 220 and a second section 222. The first section 220 is connected between the connecting section 212 and the second section 222. The first section 220 extends from the second connecting section 2122 toward the supporting section 210, and the second section 222 extends from the first section 220 along a second direction Y toward the other side of the supporting section 210. Preferably, the second section 222 is parallel to the base plate 110. The first section 220, the second section 222, and the base plate 110 together form the first slide A1, which communicates with the first opening 101.

[0047] Along the second direction Y, the second connecting section 2122 and the second section 222 are respectively located on opposite sides of the first section 220, and the first connecting section 2120, the second connecting section 2122, and the first section 220 together form a receiving groove 240. The housing 100 also includes fasteners (not shown), which connect the second connecting section 2122 and the base plate 110 respectively to fix the second connecting section 2122 to the base plate 110. The fastener is a press-fit nut, and at least part of the fastener is provided within the receiving groove 240. In some other embodiments, the fastener may also be a screw, a retaining pin, or other fastening element.

[0048] The second slide section 23 is connected to the support section 210. The second slide section 23 includes a third section 230 and a fourth section 232. The third section 230 connects the support section 210 and the fourth section 232. The third section 230 extends from the support section 210 in a direction away from the base plate 110, and the fourth section 232 extends from the third section 230 along a second direction Y towards the other side of the support section 210. Preferably, the fourth section 232 is parallel to the base plate 110. The third section 230, the fourth section 232, and the support section 210 together form the second slide section A2, which communicates with the first opening 101.

[0049] In this embodiment, there are two connecting portions 212 and two first slide sections 22. The two connecting portions 212 are respectively disposed on opposite sides of the support portion 210 along the second direction Y, and each first slide section 22 is connected to a corresponding connecting portion 212. It is understood that in some other embodiments, the number of connecting portions 212 and first slide sections 22 may also be one, as long as it can be used to guide the tray assembly 30.

[0050] In this embodiment, there are two second slide sections 23, which are respectively disposed on opposite sides of the support portion along the second direction Y. It is understood that in some other embodiments, the number of second slide sections 23 may also be one, as long as it can guide the tray assembly 30.

[0051] Please refer to the following: Figures 7 to 9 The tray assembly 30 includes a first tray 31 and a second tray 32, which are used to fix the functional module 200. The first tray 31 is movably disposed on a first slide rail A1 and can move along a first direction X within the first slide rail A1, thereby limiting the first tray 31 relative to the bracket 20 in a second direction Y and a third direction Z. The second tray 32 is movably disposed on a second slide rail A2 and can move along the first direction X within the second slide rail A2, thereby limiting the second tray 32 relative to the bracket 20 in a second direction Y and a third direction Z.

[0052] The first tray 31 includes a first tray portion 310, a first extension portion 312, and a first fixing portion 314. The first extension portion 312 and the first fixing portion 314 are respectively disposed on the side of the first tray portion 310 away from the base plate 110. The first tray portion 310 is used to fix the functional module 200. The first extension portion 312 is configured to cooperate with the first slide portion 22. The first fixing portion 314 is used to connect with the housing 10. The first extension portion 312 includes a first extension section 3120 and a second extension section 3122. The first extension section 3120 extends from one side of the first tray portion 310 in a direction away from the base plate 110. The second extension section 3122 extends from the first extension section 3120 along the second direction Y towards the other side of the first tray portion 310. There are two first extension portions 312, which are respectively disposed on both sides of the first tray portion 310 along the second direction Y. The first fixing part 314 is provided on the side of the first tray part 310 away from the third side plate 122, and the first fixing part 314 is connected to the first extension part 312.

[0053] When the first tray 31 is disposed within the first slide rail A1, the first tray portion 310 is connected to the bottom plate 110 of the housing 10. The first extension section 3120 and the first section 220 of the first slide rail portion 22 are disposed adjacent to each other along the second direction Y, and the first section 220 restricts the movement of the first extension section 3120 along the second direction Y. The second extension section 3122 and the second section 222 of the first slide rail portion 22 are disposed adjacent to each other along the third direction Z, and the second section 222 restricts the movement of the second extension section 3122 along the third direction Z. In some embodiments, a gap is provided between the first section 220 and the first extension section 3120 to reduce the friction between them, which is beneficial to the movement of the first tray 31. For example, a gap of 0.2 mm is provided between the first section 220 and the first extension section 3120 along the second direction Y. In some embodiments, a gap is provided between the second section 222 and the second extension section 3122 to reduce the friction between the second section 222 and the second extension section 3122, which is beneficial to the movement of the first tray 31. For example, along the third direction Z, a gap of 0.1 mm is provided between the second section 222 and the second extension section 3122.

[0054] When the first tray 31 moves along the first slide rail A1 toward the third side plate 122 to the first position, the first fixing part 314 connects with the first side plate 112, and the first tray 31 is disposed inside the housing 10. When the first tray 31 moves away from the third side plate 122 to the second position, the functional module 200 on the first tray 31 is at least partially disposed outside the housing 10. In some embodiments, the first position and the second position can be determined according to needs. For example, in the second position, half of the first tray 31 can be moved outside the housing 10, or the first tray 31 can be completely moved outside the housing 10.

[0055] In some embodiments, the first extension segment 3120 is in contact with the first segment 220. In some embodiments, the second extension segment 3122 is in contact with the second segment 222. In some embodiments, a buffer may be provided between the first extension segment 3120 and the first segment 220 to facilitate the sliding of the first tray 31 and extend its service life. In some embodiments, a buffer may be provided between the second extension segment 3122 and the second segment 222 to facilitate the sliding of the first tray 31 and extend its service life.

[0056] The structure of the second tray 32 is similar to that of the first tray 31. The second tray 32 includes a second tray portion 320, a second extension portion 322, and a second fixing portion 324. The second extension portion 322 and the second fixing portion 324 are respectively disposed on the side of the second tray portion 320 away from the bottom plate 110. The second tray portion 320 is used to fix the functional module 200. The second extension portion 322 is configured to cooperate with the second slide portion 23. The second fixing portion 324 is used to connect with the housing 10. The second extension portion 322 includes a third extension section 3220 and a fourth extension section 3222. The third extension section 3220 extends from one side of the second tray portion 320 in a direction away from the bottom plate 110. The fourth extension section 3222 extends from the third extension section 3220 along the second direction Y towards the other side of the second tray portion 320. There are two second extension portions 322, which are respectively disposed on both sides of the second tray portion 320 along the second direction Y. The second fixing part 324 is provided on the side of the second tray part 320 opposite to the third side plate 122, and the second fixing part 324 is connected to the second extension part 322.

[0057] When the second tray 32 is disposed within the second slide rail A2, the second tray portion 320 is connected to the main body portion 21 of the support 20. The third extension section 3220 is adjacent to the third section 230 of the second slide rail portion 23 along the second direction Y, and the third section 230 restricts the movement of the third extension section 3220 along the second direction Y. The fourth extension section 3222 is adjacent to the fourth section 232 of the second slide rail portion 23 along the third direction Z, and the fourth section 232 restricts the movement of the fourth extension section 3222 along the third direction Z. In some embodiments, a gap is provided between the third section 230 and the third extension section 3220 to reduce the friction between them, which is beneficial to the movement of the second tray 32. For example, a gap of 0.2 mm is provided between the third section 230 and the third extension section 3220 along the second direction Y. In some embodiments, a gap is provided between the fourth section 232 and the fourth extension section 3222 to reduce the friction between the fourth section 232 and the fourth extension section 3222, which is beneficial to the movement of the second tray 32. For example, along the third direction Z, a gap of 0.1 mm is provided between the fourth section 232 and the fourth extension section 3222.

[0058] When the second tray 32 moves along the second slide rail A2 toward the third side plate 122 to the first position, the second fixing part 324 connects to the first side plate 112, and the second tray 32 is disposed inside the housing 10. When the second tray 32 moves away from the third side plate 122 to the second position, the functional module 200 on the second tray 32 is at least partially disposed outside the housing 10. In some embodiments, the first position and the second position can be determined according to needs. For example, in the second position, half of the second tray 32 can be moved outside the housing 10, or the second tray 32 can be completely moved outside the housing 10.

[0059] In some embodiments, the third extension segment 3220 is in contact with the third segment 230. In some embodiments, the fourth extension segment 3222 is in contact with the fourth segment 232. In some embodiments, a buffer may be provided between the third extension segment 3220 and the third segment 230 to facilitate the sliding of the second tray 32 and extend its service life. In some embodiments, a buffer may be provided between the fourth extension segment 3222 and the fourth segment 232 to facilitate the sliding of the second tray 32 and extend its service life.

[0060] In this embodiment, when the first tray 31 or the second tray 32 moves to the first position, it can be fixed to the first side plate 112 of the housing 10 by riveting. It is understood that in some other embodiments, the first tray 31 and the second tray 32 can be fixed to the housing 10 by other means, such as snap-fit, screw-fit, adhesive, etc., which are not limited here.

[0061] Please refer to the following: Figure 9 and Figure 10 In some embodiments, the housing 10 further includes a third slide section 13, which is provided with a third slide A3. The tray assembly 30 also includes a third tray 33, which is disposed in the third slide and is movable within the third slide A3 along a first direction X.

[0062] Specifically, the third slide section 13 includes a fifth section 130, a sixth section 132, and a seventh section 134. The sixth section 132 and the seventh section 134 are respectively located on the fifth section 130, and together they form the third slide section A3. The fifth section 130 extends from the first side plate 112 toward the third side plate 122. The sixth section 132 is located on the side of the fifth section 130 facing the bottom plate 110, and the seventh section 134 is located on the side of the fifth section 130 away from the bottom plate 110. The sixth section 132 and the seventh section 134 are respectively arranged parallel to the bottom plate 110. There are two third slide sections 13, which are respectively located on both sides of the first opening 101 along the second direction Y.

[0063] The third tray 33 has a similar structure to the first tray 31 and the second tray 32, and will not be described again here. Accordingly, the third tray 33 includes a third tray section, a third extension section, and a third fixing section. The third extension section includes a fifth extension section and a sixth extension section. The fifth extension section extends from one side of the third tray section in a direction away from the base plate 110, and the sixth extension section extends from the fifth extension section along the second direction Y towards the other side of the third tray section. The third tray section is used to fix the functional module 200, the third extension section is configured to cooperate with the third slide section 13, and the third fixing section is used to connect with the housing 10.

[0064] When the third tray 33 is disposed within the third slide rail A3, the third tray portion is connected to the sixth section 132 of the third slide rail portion 13. The fifth extension section is disposed adjacent to the fifth section 130 of the third slide rail portion 13 along the second direction Y, and the fifth section 130 restricts the movement of the fifth extension section along the second direction Y. The sixth extension section is disposed adjacent to the seventh section 134 of the third slide rail portion 13 along the third direction Z, and the seventh section 134 restricts the movement of the sixth extension section along the third direction Z. In some embodiments, a gap is provided between the fifth section 130 and the fifth extension section to reduce the friction between the fifth section 130 and the fifth extension section, which is beneficial to the movement of the third tray 33. For example, a gap of 0.2 mm is provided between the fifth section 130 and the fifth extension section along the second direction Y. In some embodiments, a gap is provided between the seventh section 134 and the sixth extension section to reduce the friction between the seventh section 134 and the sixth extension section, which is beneficial to the movement of the third tray 33. For example, along the third direction Z, a gap of 0.1 mm is provided between the seventh section 134 and the sixth extension section.

[0065] When the third tray 33 moves along the third slide towards the third side plate 122 to the first position, the third fixing part of the third tray 33 is connected to the first side plate 112, and the third tray 33 is disposed inside the housing 10. When the third tray 33 moves away from the third side plate 122 to the second position, the functional module 200 on the third tray 33 is at least partially disposed outside the housing 10. In some embodiments, the first position and the second position can be determined according to needs. For example, in the second position, half of the third tray 33 can be moved outside the housing 10, or the third tray 33 can be completely moved outside the housing 10.

[0066] In some embodiments, the fifth extension section is in contact with section 130. In some embodiments, the sixth extension section is in contact with section 134. In some embodiments, a buffer may be provided between the fifth extension section and section 130 to facilitate the sliding of the third tray 33 and extend its service life. In some embodiments, a buffer may be provided between the sixth extension section and section 134 to facilitate the sliding of the third tray 33 and extend its service life.

[0067] Please refer to the following: Figures 11 to 13The functional module 200 includes a first circuit board, a second circuit board, and a third circuit board. In some embodiments, the first circuit board includes a management system mainboard 201, the second circuit board includes a power supply mainboard 202, and the third circuit board includes an insulation detection mainboard 203. The management system mainboard 201 is mounted on a first tray 31, and the first tray 31 can move the management system mainboard 201 relative to the housing 10. The power supply mainboard 202 is mounted on a second tray 32, and the second tray 32 can move the power supply mainboard 202 relative to the housing 10. The insulation detection mainboard 203 is mounted on a third tray 33, and the third tray 33 can move the power supply mainboard 202 relative to the housing 10. The power supply mainboard 202 can be connected to the third tray 33 to support the third tray 33, and the third tray 33 can move along the side of the power supply mainboard 202 opposite to the second tray 32. In some other embodiments, different functional modules can be arranged in different trays.

[0068] In some embodiments, the high-voltage box device 300 further includes a fourth circuit board 41, which is disposed within the housing 10 and connected to a bracket 20. The bracket 20 has a fixing part 24 on the side opposite to the first side plate 112, and the fourth circuit board 41 can be fixed to the fixing part 24 by riveting. The fourth circuit board 41 is electrically connected to the functional module 200. The fourth circuit board 41 is an adapter board. In some other embodiments, the fourth circuit board 41 can be other functional modules.

[0069] Furthermore, the fourth circuit board 41 is provided with a fourth connector 410. In some embodiments, the first circuit board is provided with a first connector 2010, and the first connector 2010 and the fourth connector 410 are plugged into each other to connect the first circuit board and the fourth circuit board. In some embodiments, the second connecting board is provided with a second connector 2020, and the second connector 2020 and the fourth connector 410 are plugged into each other to connect the second circuit board and the fourth circuit board. In some embodiments, the third circuit board 203 is also provided with a third connector (not shown), and the third connector and the fourth connector 410 are plugged into each other to connect the third circuit board and the fourth circuit board. It should be noted that the plugging connection between the first connector 2010 and the fourth connector 410 can be a direct plug-in connection or a connection through an adapter harness, the plugging connection between the second connector 2020 and the fourth connector 410 can be a direct plug-in connection or a connection through an adapter harness, and the plugging connection between the third connector and the fourth connector 410 can be a direct plug-in connection or a connection through an adapter harness.

[0070] In some embodiments, the high-voltage box device 300 further includes a safety device 42, which is disposed within the housing 10 and mounted on the bracket 20. The safety device 42 is fixed to the support portion 210 of the main body 21 by means of press-fitting, and is disposed on one side of the second tray 32 along the second direction Y. The safety device 42 is connected to the fourth circuit board 41 via a wiring harness, and is used to promptly shut down the circuit equipment in case of malfunction.

[0071] In some embodiments, the high-voltage box device 300 further includes a circuit breaker 43, which is disposed inside the housing 10, mounted on the base plate 110, and located on one side of the bracket 20. The circuit breaker 43 is connected to a first side plate 112, which has a second opening 102. The operating handle of the circuit breaker 43 is located at the second opening 102, allowing operation of the circuit breaker 43 from outside the housing 10. The circuit breaker 43 is electrically connected to a fourth circuit board 41 and a fuse device 42 via wiring harnesses, and is used to control the opening or closing of the circuit equipment.

[0072] Another embodiment of this application also provides an energy storage device, which includes the high-voltage box device 300 of any of the above embodiments. The high-voltage box device 300 is used to manage the high-voltage power distribution of the energy storage device, and 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 high-voltage system, thereby protecting and monitoring the operation of the high-voltage system.

[0073] Another embodiment of this application provides an electrical device, which includes the high-voltage box device 300 of any of the above embodiments. The high-voltage box device 300 is used to control and distribute the energy of the energy storage device in the electrical device. The electrical device can be a vehicle, ship, aircraft, energy storage device, low-profile handheld power tool, or other device that uses energy storage devices.

[0074] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them; under the concept of this application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of this application as described above. For the sake of brevity, they are not provided in detail; although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A box body, characterized in that, include: The housing has a receiving space and a first opening, and includes a bottom plate; A support frame is disposed within the receiving space and on the base plate, and a first slide rail is provided on the support frame; A tray assembly movably disposed on the bracket such that the tray assembly can move at least partially through the first opening to the outside of the housing, wherein the tray assembly is used to fix a functional module, the functional module being a circuit board, and the receiving space is also used to receive other electronic components; The pallet assembly includes a first pallet disposed on the first slide rail, and the first pallet is movable relative to the bracket along the first slide rail. The first tray includes a first tray section, which is used to fix the functional module. When the first tray is placed in the first slide, the first tray section is connected to the base plate.

2. The box body according to claim 1, characterized in that, The slide rail includes a second slide rail, and the first slide rail and the second slide rail are respectively located on opposite sides of the bracket; The tray assembly includes a second tray disposed on the second slide.

3. The box body according to claim 2, characterized in that, The first slide rail is disposed along a first direction, and the first tray is movable within the first slide rail along the first direction, such that the first tray is limited relative to the bracket in a second and a third direction; and / or The second slide is arranged along the first direction, and the second tray can move within the second slide along the first direction, so that the second tray is limited relative to the bracket in the second and third directions; The first direction, the second direction, and the third direction are perpendicular to each other.

4. The box body according to claim 3, characterized in that, The bracket includes a main body, a first slide rail, and a second slide rail. The first slide rail is located on the side of the main body facing the base plate, and the second slide rail is located on the side of the main body away from the base plate. The first slide section and the base plate form the first slide section, and the second slide section and the main body section form the second slide section.

5. The box body according to claim 4, characterized in that, The housing also includes a first side plate, which is disposed on one side of the bottom plate along a first direction; The first tray moves into the housing, and the first tray is connected to the first side panel; and / or When the second tray moves into the housing, the second tray connects to the first side plate.

6. The box body according to claim 4, characterized in that, The first tray includes a first tray portion and a first extension portion, wherein the first tray portion is connected to the first extension portion; The first tray portion is used to fix the functional module, and the first extension portion is configured to connect with the first slide portion.

7. The box body according to claim 6, characterized in that, The first slide section includes a first section and a second section. The first section extends from the main body in a direction away from the base plate, and the second section extends from the first section in a second direction. The first extension includes a first extension section and a second extension section, the first extension section extending from the first tray portion toward a direction away from the bottom plate, and the second extension section extending from the first extension section along a second direction. The first segment is configured to restrict the first extension segment from moving along the second direction, and the second segment is configured to restrict the second extension segment from moving along the third direction.

8. A high-voltage box device, characterized in that, include: Functional modules; and The box body according to any one of claims 1-7, wherein the functional module is mounted on the tray assembly.

9. The high-voltage box device according to claim 8, characterized in that, The functional module includes at least one of the following: management system motherboard, power supply motherboard, and insulation detection board.

10. An energy storage device, characterized in that, include: The high-voltage box device according to any one of claims 8-9.

11. An electrical appliance, characterized in that, include: The high-voltage box device according to any one of claims 8-9.

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