Battery water removal structure and battery pack

Abstract

The utility model relates to a battery water removal structure and a battery pack. In the battery water removal structure, a first shell is provided with a first mounting area and a water vapor deposition area; the first mounting area is used for mounting a battery pack; the water vapor deposition area is provided with a second mounting area; the drying assembly is arranged in the second installation area to remove water vapor of the battery pack. According to the application, the area with most water vapor deposition is arranged on the first shell as the water vapor deposition area, the second mounting area is arranged in the water vapor deposition area, the drying assembly is arranged in the second mounting area, and water vapor of the battery pack is absorbed through the drying assembly, so that vapor-state water in the battery box body can be removed; the inside of the battery box body is kept in a certain dry state, the service life of the battery is prolonged, the thermal runaway risk of the battery is reduced, in addition, after the drying assembly absorbs water to be saturated, the drying assembly can be replaced from the first shell without dismantling the battery pack, so that the structure is simplified, and the assembly convenience is improved.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a battery water removal structure and a battery pack. Background Art

[0002] With the development of battery technology, batteries are increasingly used in electric vehicles, and battery moisture protection is one of the important safety indicators of batteries. At present, existing battery waterproofing measures usually use waterproof breathable valves, which can block liquid water but cannot block gaseous water. During normal use of the battery, a pressure difference will be generated inside and outside the box, causing the outside gas with high humidity to enter the battery box. When the humidity inside the box is too high, the temperature difference inside the box will cause the gaseous water to condense into liquid water, and the liquid water will accumulate in the box.

[0003] In the prior art, water vapor entering the box can induce metal corrosion and other reactions that are dangerous to the battery. In addition, since the internal temperature of the battery varies greatly during daily use, the large temperature difference can promote related chemical reactions inside the battery, increasing the risk of thermal runaway of the battery. Utility Model Content

[0004] Based on this, it is necessary to provide a battery dehydration structure and battery pack that can remove vapor water in the battery case, keep the battery case in a certain dry state, increase the service life of the battery, reduce the risk of thermal runaway of the battery, and is easy to assemble and has a simple structure to address the problems existing in the above-mentioned existing batteries.

[0005] In a first aspect, the present application provides a battery water removal structure, comprising:

[0006] A first housing, the first housing being provided with a first installation area and a water vapor deposition area; the first installation area is used to install a battery pack, and the water vapor deposition area is provided with a second installation area;

[0007] A drying component is arranged in the second installation area.

[0008] In one embodiment, the drying component includes a drying element, a first end of the drying element is provided with a first opening, and a second end of the drying element is provided in a second installation area; the drying element is provided with a accommodating cavity and a through hole group, the accommodating cavity is respectively connected to the through hole group and the first opening, and the accommodating cavity is used to accommodate a desiccant.

[0009] In one embodiment, the drying component further includes a first cover body, and the first cover body is detachably disposed on the first end of the drying element.

[0010] In one embodiment, the first cover body is provided with a first external thread, the first end of the drying element is provided with a first internal thread, and the first cover body is connected to the first internal thread of the first end of the drying element through the first external thread.

[0011] In one embodiment, the second installation area is provided with a mounting interface, and the second end of the drying element is detachably disposed on the mounting interface.

[0012] In one embodiment, the battery dehydration structure further includes a sealing member, which is disposed between the second end of the drying member and the mounting interface.

[0013] In one embodiment, the mounting interface is provided with a second internal thread, the second end of the drying element is provided with a second external thread, and the second end of the drying element is connected to the second internal thread of the mounting interface via the second external thread.

[0014] In one embodiment, the first housing is provided with a cooling assembly, and the cooling assembly is used to dissipate heat from the battery pack; the cooling assembly includes a plurality of cooling channels, and the cooling channels are interconnected;

[0015] The second mounting area has at least one cooling channel.

[0016] In one of the embodiments, a cooling channel adjacent to the mounting interface is provided with an avoidance portion; the avoidance portion is communicated with the mounting interface, and the avoidance portion is used to avoid the drying element.

[0017] In a second aspect, the present application provides a battery pack, including a battery pack and a battery water removal structure as described above;

[0018] The battery pack is arranged in a battery water removal structure.

[0019] One of the above technical solutions has the following advantages and beneficial effects:

[0020] The above-mentioned battery dehydration structure includes a first shell and a drying component. The first shell is provided with a first installation area and a water vapor deposition area; the first installation area is used to install the battery pack, and the water vapor deposition area is provided with a second installation area; the drying component is provided in the second installation area to remove water vapor from the battery pack. The present application sets the area with the most water vapor deposition on the first shell as the water vapor deposition area, and sets the second installation area in the water vapor deposition area, and sets the drying component in the second installation area. The drying component absorbs the water vapor of the battery pack, thereby removing the vapor water in the battery box, keeping the battery box in a certain dry state, improving the service life of the battery, and reducing the risk of thermal runaway of the battery. In addition, when the drying component is saturated with water, the drying component can be replaced from the first shell without removing the battery pack, thereby simplifying the structure and improving the convenience of assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of a battery water removal structure from a first perspective in an embodiment of the present application;

[0022] Figure 2This is a schematic diagram of the first perspective decomposition structure of the battery water removal structure in the embodiment of the present application;

[0023] Figure 3 A schematic diagram of the decomposed structure of the battery water removal structure from a second perspective in an embodiment of the present application;

[0024] Figure 4 This is a schematic diagram of the structure of the drying component from a first perspective in an embodiment of the present application;

[0025] Figure 5 This is a schematic diagram of the drying component in the embodiment of the present application from a second viewing angle;

[0026] Figure 6 This is a schematic cross-sectional structure diagram of a battery water removal structure in an embodiment of the present application;

[0027] Figure 7 for Figure 6 Schematic diagram of the local enlarged structure at point A in the middle.

[0028] Reference numerals:

[0029] 100, first shell; 110, first installation area; 120, water vapor deposition area; 122, second installation area; 124, installation interface; 130, second internal thread; 140, cooling assembly; 142, cooling channel; 144, avoidance portion; 200, drying assembly; 210, drying element; 212, first opening; 214, accommodating cavity; 216, through hole group; 220, first internal thread; 230, second external thread; 240, first cover; 242, first external thread; 300, sealing element. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover inclusions that are not listed. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0032] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0033] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0034] In addition, the term "plurality" shall mean two or more.

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] In one embodiment, Figures 1 to 3 As shown, a battery dehydration structure is provided, including a first shell 100 and a drying component 200, the first shell 100 is provided with a first installation area 110 and a water vapor deposition area 120; the first installation area 110 is used to install the battery pack, and the water vapor deposition area 120 is provided with a second installation area 122; the drying component 200 is arranged in the second installation area 122.

[0037] Among them, the battery pack may include a number of single cells, and each single cell may be connected in series and / or in parallel. The single cell may be a lithium-ion cell, and the shape of the single cell may be square or cylindrical. The battery pack may be arranged in a box to form a battery pack. The first shell 100 may be a part of the box. For example, the box may include a side panel group, a top cover and a bottom plate, and the first shell 100 may be the bottom plate of the box. In another example, the first shell 100 may also be a side panel or a top cover of the box. The first shell 100 may also be a structure independent of the box. For example, the first shell 100 may be a cooling plate with a cooling function, and the first shell 100 is arranged in the box. For example, the first shell 100 may be arranged at the bottom of the box. It should be noted that the setting position of the first shell 100 can be determined according to the side where the most water vapor is deposited when the battery pack is arranged in the box.

[0038] The first shell 100 may be a square structure. For example, the battery box may also be a polygonal or irregular shape. The first shell 100 may be a shell made of metal or non-metal. The first shell 100 has a first plate surface and a second plate surface, and the first plate surface is opposite to the second plate surface. The first plate surface of the first shell 100 is provided with a first mounting area 110, and the first mounting area 110 is used to install and set the battery pack. For example, the first mounting area 110 can be used to fit one side of the battery pack; for example, the first mounting area 110 can be used to support the battery pack. For example, a plurality of limiting grooves are provided in the first mounting area 110, and the battery pack can be divided into a plurality of battery modules, and the battery module can include a plurality of single cells. The limiting grooves can be used to limit and fix the battery modules. The first plate surface of the first shell 100 is also provided with a water vapor deposition area 120, which refers to the area in the box where the most water vapor is deposited when the battery pack is set in the box. For example, the water vapor deposition area 120 is arranged adjacent to the periphery of the first mounting area 110.

[0039] The water vapor deposition area 120 may be provided with a second installation area 122, and the second installation area 122 is used to install and set the drying component 200. The size of the second installation area 122 is smaller than the size of the water vapor deposition area 120. For example, the second installation area 122 may be set in the middle of the water vapor deposition area 120. The drying component 200 may be set in the second installation area 122 by screwing or clamping, and the drying component 200 may be used to absorb and dry the water vapor accumulated in the water vapor deposition area 120.

[0040] For example, when the water vapor in the battery pack box increases, the water vapor will gather in the water vapor deposition area 120, and the drying component 200 in the water vapor deposition area 120 will absorb the water vapor gathered in the water vapor deposition area 120, thereby reducing the humidity in the battery pack box, so that the battery pack box remains dry, reducing the risk of water vapor inducing metal corrosion in the box and causing dangerous reactions to the battery pack, and reducing the risk of thermal runaway. When the drying component 200 is saturated with water, the user can replace the drying component 200 by disassembling the drying component 200, and install the replaced drying component 200 in the second installation area 122 of the first shell 100, and continue to absorb water vapor from the water vapor deposition area 120, so that there is no need to disassemble the battery pack, which greatly improves the convenience of replacing the drying component 200.

[0041] In the above-mentioned embodiment, a first installation area 110 and a water vapor deposition area 120 are provided through the first shell 100; the first installation area 110 is used to install the battery pack, and the water vapor deposition area 120 is provided with a second installation area 122; the drying component 200 is provided in the second installation area 122 to remove the water vapor from the battery pack. In the present application, the area with the most water vapor deposition is provided on the first shell 100 as the water vapor deposition area 120, and the second installation area 122 is provided in the water vapor deposition area 120, and the drying component 200 is provided in the second installation area 122. The drying component 200 absorbs the water vapor of the battery pack, and then the vapor water in the battery box can be removed, so that the battery box can maintain a certain dry state, improve the service life of the battery, and reduce the risk of thermal runaway of the battery. In addition, when the drying component 200 is saturated with water, the drying component 200 can be replaced from the first shell 100 without removing the battery pack, thereby simplifying the structure and improving the convenience of assembly.

[0042] In one embodiment, Figure 4 and Figure 5 As shown, the drying component 200 includes a drying element 210, a first end of which is provided with a first opening 212, and a second end of the drying element 210 is provided in the second installation area 122; the drying element 210 is provided with a accommodating cavity 214 and a through hole group 216, the accommodating cavity 214 is respectively connected to the through hole group 216 and the first opening 212, and the accommodating cavity 214 is used to accommodate a desiccant.

[0043] Wherein, the drying component 200 may include at least one drying element 210, and the drying element 210 may be a hollow tubular structure. The drying element 210 has a first end and a second end, and the first end is opposite to the second end. The first end of the drying element 210 is provided with a first opening 212, and the interior of the drying element 210 is provided with a receiving chamber 214, and the first opening 212 is connected to the receiving chamber 214. The receiving chamber 214 can be used to accommodate a desiccant, and the desiccant can be used to absorb the water vapor accumulated in the water vapor deposition area 120. Exemplarily, when the first opening 212 is in an open state, the user can place the desiccant in the receiving chamber 214 or replace the desiccant in the receiving chamber 214. It should be noted that, in one example, the desiccant can be but is not limited to montmorillonite, silica gel or calcium chloride; in another example, the desiccant can also be an HCCF desiccant (i.e., a two-way condensation control fiber desiccant).

[0044] The second end of the drying element 210 can be arranged in the second installation area 122 by screw connection or clamping, so as to realize the installation and fixation of the drying element 210. When the desiccant in the drying element 210 needs to be replaced, the second end of the drying element 210 can be removed from the second installation area 122, and then the drying element 210 is taken out, so as to facilitate the user to open the first opening 212 and replace the desiccant in the receiving chamber 214 of the drying element 210. A through hole group 216 is arranged on the side of the drying element 210, and the through hole group 216 is connected to the receiving chamber 214. The through hole group 216 can be used to facilitate the entry of water vapor into the receiving chamber 214, so that the desiccant can absorb the water vapor. Exemplarily, the through hole group 216 may include a plurality of first through holes, and each first through hole may be arranged in an array and spaced on the side of the drying element 210, so that the water vapor focused by the water vapor deposition area 120 can enter the receiving chamber 214 from multiple directions at the same time, so that the desiccant absorbs the water vapor, thereby improving the water vapor absorption efficiency.

[0045] In one embodiment, Figure 4 and Figure 5 As shown, the drying assembly 200 further includes a first cover 240 , which is detachably disposed at the first end of the drying element 210 .

[0046] The first cover 240 can be used to cover the first end of the drying element 210 to seal the first opening 212 of the drying element 210 and prevent the desiccant in the receiving cavity 214 of the drying element 210 from leaking out of the first opening 212 during use.

[0047] The first cover 240 can be detachably disposed at the first end of the drying element 210 . For example, the first cover 240 can be disposed at the first end of the drying element 210 by screwing or clamping.

[0048] When the desiccant in the drying component 210 needs to be replaced, the second end of the drying component 210 can be removed from the second installation area 122, and then the drying component 210 can be taken out; then, the first cover body 240 is removed from the first end of the drying component 210, so that the first opening 212 of the drying component 210 is in an open state, and then the user can replace the desiccant in the accommodating cavity 214 of the drying component 210; when the replacement of the desiccant in the drying component 210 is completed, the first cover body 240 is reinstalled on the first end of the drying component 210, and the second end of the drying component 210 after the first cover body 240 is installed is installed in the second installation area 122, so that the drying component 210 is installed and fixed, so that when the drying component 200 is saturated with water, the desiccant can be conveniently replaced from the first shell 100 without removing the battery pack or the first shell 100, thereby simplifying the structure and improving the convenience of assembly.

[0049] In one embodiment, Figure 4 and Figure 5 As shown, the first cover 240 is provided with a first external thread 242 , and the first end of the drying element 210 is provided with a first internal thread 220 . The first cover 240 is connected to the first internal thread 220 of the first end of the drying element 210 via the first external thread 242 .

[0050] The first external thread 242 is cooperatively connected with the first internal thread 220 .

[0051] The first end of the drying element 210 is an open structure, and the first internal thread 220 is arranged on the inner wall of the first end of the drying element 210. The first cover body 240 is provided with a first external thread 242 that cooperates with the first internal thread 220 to achieve the installation and setting of the first cover body 240 on the first end of the drying element 210 by a threaded fastening method.

[0052] When it is necessary to replace the desiccant in the drying component 210, the second end of the drying component 210 can be removed from the second installation area 122, and then the drying component 210 can be taken out; then the first cover body 240 is rotated so that the first internal thread 220 of the first cover body 240 is disengaged from the first external thread 242 of the drying component 210, that is, the first cover body 240 is taken out from the first end of the drying component 210, so that the first opening 212 of the drying component 210 is in an open state, and then the user can replace the desiccant in the accommodating cavity 214 of the drying component 210, so that when the drying component 200 is saturated with water, the saturated desiccant in the accommodating cavity 214 of the drying component 210 can be replaced by disassembling the first cover body 240, thereby reducing the replacement cost and eliminating the need to remove the battery pack or the first shell 100, thereby simplifying the structure and improving the convenience of assembly.

[0053] In one embodiment, Figure 2 and Figure 3As shown, the second installation area 122 is provided with a mounting interface 124 , and the second end of the drying element 210 is detachably disposed on the mounting interface 124 .

[0054] The mounting interface 124 may be used to mount and fix the second end of the drying element 210 .

[0055] By setting the mounting interface 124 in the second mounting area 122, the second end of the drying element 210 can be mounted and fixed on the mounting interface 124 of the second mounting area 122. The second end of the drying element 210 can be detachably mounted on the mounting interface 124 by screwing or snapping. When the desiccant in the drying element 210 needs to be replaced, the second end of the drying element 210 can be removed from the mounting interface 124 of the second mounting area 122, and then the drying element 210 can be taken out to replace the desiccant in the drying element 210. When the desiccant in the drying element 210 is replaced, the second end of the drying element 210 after the first cover 240 is installed is installed on the mounting interface 124 of the second mounting area 122, so that the drying element 210 is fixed and installed, so that the desiccant can be conveniently replaced when the drying element 210 is replaced, without removing the battery pack or the first shell 100, thereby simplifying the structure and improving the convenience of assembly.

[0056] Exemplarily, a battery pack with a battery dehydration structure can be used in vehicles (such as new energy vehicles). When the amount of water absorbed by the desiccant required within the specified maintenance range of the vehicle is preset and the desiccant in the desiccant 210 is saturated with water, the desiccant 210 is removed from the mounting interface 124 of the second mounting area 122 during the maintenance stage, and the desiccant in the accommodating cavity 214 of the desiccant 210 is replaced by opening the first cover 240. After replacement, the first cover 240 is tightened, and the second end of the desiccant 210 is re-fixed to the mounting interface 124 of the second mounting area 122 to continue absorbing water vapor in the battery pack box.

[0057] In one embodiment, Figure 6 and Figure 7 As shown, the battery dehumidification structure further includes a sealing member 300 , which is disposed between the second end of the drying member 210 and the mounting interface 124 .

[0058] The sealing member 300 may be a silicone sealing ring. By arranging the sealing member 300 between the second end of the drying member 210 and the mounting interface 124, when the second end of the drying member 210 is mounted on the mounting interface 124, the connection gap between the second end of the drying member 210 and the mounting interface 124 can be sealed, thereby preventing external water vapor from entering the battery pack through the connection gap.

[0059] In one embodiment, Figure 3 , Figure 4 and Figure 5As shown, the mounting interface 124 is provided with a second internal thread 130 , the second end of the drying element 210 is provided with a second external thread 230 , and the second end of the drying element 210 is connected to the second internal thread 130 of the mounting interface 124 via the second external thread 230 .

[0060] The second external thread 230 is cooperatively connected with the second internal thread 130 .

[0061] The mounting interface 124 is a through hole provided in the second mounting area 122, the second internal thread 130 is provided on the inner wall of the mounting interface 124, and the second external thread 230 is provided on the outer wall of the second end of the drying element 210. Exemplarily, based on the direction from the first plate surface to the second plate surface of the first housing 100, the first end of the drying element 210 is inserted into the mounting interface 124, and the second end of the drying element 210 is connected to the second internal thread 130 of the mounting interface 124 through the second external thread 230, so that the second end of the drying element 210 is fastened and installed on the mounting interface 124.

[0062] When the desiccant in the drying element 210 needs to be replaced, the second end of the drying element 210 can be rotated so that the second external thread 230 of the second end of the drying element 210 is disengaged from the second internal thread 130 of the mounting interface 124, and then the second end of the drying element 210 is removed from the mounting interface 124 of the second mounting area 122 to take out the drying element 210; then the first cover body 240 is rotated to take out the first cover body 240 from the first end of the drying element 210, and then the user can replace the desiccant in the accommodating cavity 214 of the drying element 210 without removing the battery pack or the first shell 100, thereby simplifying the structure and improving the convenience of assembly.

[0063] In one embodiment, Figure 1 and Figure 2 As shown, the first shell 100 is provided with a cooling assembly 140, which is used to dissipate heat from the battery pack; the cooling assembly 140 includes a plurality of cooling channels 142, and the cooling channels 142 are interconnected; the second installation area 122 has at least one cooling channel 142.

[0064] Among them, the cooling assembly 140 can be a liquid-cooled plate assembly, and the cooling assembly 140 can be used to cool and dissipate heat from the battery pack, reduce the internal temperature of the battery pack, and thereby reduce the risk of thermal runaway of the battery. The cooling channel 142 can be a plate-like structure, and the cooling channel 142 can be used to transmit a coolant (such as cooling water). The cooling channel 142 can be attached to one side of the battery pack to cool and dissipate heat from the battery pack. Exemplarily, each cooling channel 142 can be distributed on the first plate surface of the first shell 100. For example, the first installation area 110 is provided with a plurality of cooling channels 142, and the water vapor deposition area 120 is provided with at least one cooling channel 142, and at least one cooling channel 142 is located in the second installation area 122, thereby increasing the space of the first installation area 110, so that the first shell 100 can accommodate multiple battery packs.

[0065] In one example, if Figure 1 and Figure 2 As shown, the cooling channel 142 adjacent to the mounting interface 124 is provided with an avoidance portion 144 ; the avoidance portion 144 is communicated with the mounting interface 124 , and the avoidance portion 144 is used to avoid the drying element 210 .

[0066] For example, at least one cooling channel 142 is adjacent to the mounting interface 124. In order to prevent the cooling channel 142 from blocking the mounting interface, the cooling channel 142 adjacent to the mounting interface 124 needs to be arranged to avoid it.

[0067] By providing an avoidance portion 144 for the cooling channel 142 adjacent to the mounting interface 124, the avoidance portion 144 is communicated with the mounting interface 124, thereby preventing the cooling channel 142 from blocking the mounting interface 124. When installing the drying element 210, the first end of the drying element 210 is inserted into the mounting interface 124, and the avoidance portion 144 avoids the drying element 210, so that the drying element 210 can be located in the second mounting area 122. Furthermore, the second end of the drying element 210 is threadedly connected to the mounting interface 124, so that the second end of the drying element 210 is fixedly installed in the mounting interface 124, thereby realizing the fixed installation of the drying element 210.

[0068] In one embodiment, a battery pack is further provided, comprising a battery pack and a battery dehydration structure as described above; the battery pack is arranged in the battery dehydration structure.

[0069] The battery pack is arranged on a battery dehydration structure, which is used to support the battery pack. The battery dehydration structure can also absorb water vapor in the box of the battery pack.

[0070] For the specific description of the battery dehydration structure, reference may be made to the specific description of the battery dehydration structure in the above embodiment, which will not be repeated here.

[0071] Specifically, the battery dehydration structure includes a first shell and a drying component. The first shell is provided with a first installation area and a water vapor deposition area; the first installation area is used to install the battery pack, and the water vapor deposition area is provided with a second installation area; the drying component is provided in the second installation area to absorb and dry the water vapor in the water vapor deposition area to remove the water vapor from the battery pack. The present application sets the area with the most water vapor deposition as the water vapor deposition area on the first shell, sets the second installation area in the water vapor deposition area, and sets the drying component in the second installation area. The drying component absorbs the water vapor of the battery pack, thereby removing the vapor water in the battery box, keeping the battery box in a certain dry state, improving the service life of the battery, and reducing the risk of thermal runaway of the battery. In addition, when the drying component is saturated with water, the drying component can be replaced from the first shell without removing the battery pack, thereby simplifying the structure and improving the convenience of assembly.

[0072] It should be noted that the battery pack may also include components such as a BMS, and a specific battery pack may include more components than those described in the above embodiments, or combine certain components, or have a different arrangement of components.

[0073] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0074] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A battery water removal structure, characterized in that: include: A first shell, wherein the first shell is provided with a first installation area and a water vapor deposition area; The first installation area is used to install a battery pack, and the water vapor deposition area is provided with a second installation area; A drying component is arranged in the second installation area.

2. The battery water removal structure according to claim 1, characterized in that: The drying component includes a drying element, a first end of which is provided with a first opening, and a second end of which is provided in the second installation area; the drying element is provided with a accommodating cavity and a through hole group, the accommodating cavity is respectively connected to the through hole group and the first opening, and the accommodating cavity is used to accommodate a desiccant.

3. The battery water removal structure according to claim 2, characterized in that: The drying assembly further comprises a first cover body, and the first cover body is detachably disposed at the first end of the drying element.

4. The battery water removal structure according to claim 3, characterized in that: The first cover body is provided with a first external thread, the first end of the drying element is provided with a first internal thread, and the first cover body is connected to the first internal thread of the first end of the drying element through the first external thread.

5. The battery water removal structure according to claim 2, characterized in that: The second installation area is provided with an installation interface, and the second end of the drying element is detachably arranged on the installation interface.

6. The battery water removal structure according to claim 5, characterized in that: The battery dehydration structure further includes a sealing member, which is disposed between the second end of the drying member and the mounting interface.

7. The battery water removal structure according to claim 5, characterized in that: The mounting interface is provided with a second internal thread, the second end of the drying element is provided with a second external thread, and the second end of the drying element is connected to the second internal thread of the mounting interface through the second external thread.

8. The battery water removal structure according to any one of claims 5 to 7, characterized in that: The first housing is provided with a cooling assembly, and the cooling assembly is used to dissipate heat from the battery pack; the cooling assembly includes a plurality of cooling channels, and the cooling channels are interconnected; The second installation area has at least one cooling channel.

9. The battery water removal structure according to claim 8, characterized in that: A cooling channel adjacent to the mounting interface is provided with an avoidance portion; the avoidance portion is communicated with the mounting interface, and the avoidance portion is used to avoid the drying element.

10. A battery pack, characterized in that: A battery pack and a battery water removal structure as claimed in any one of claims 1 to 9; The battery pack is arranged on the battery water removal structure.

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