Protective shell and energy storage device

Abstract

The utility model provides a protective shell and an energy storage device, which can enhance the overall appearance aesthetic feeling of the protective shell and improve the use experience of a user. The protective shell comprises a shell body and a sliding cover, the shell body is provided with an installation groove, an opening of the installation groove is located in the circumferential side face of the shell body, a fixing column is arranged on the groove bottom wall of the installation groove and used for installing the fixing support, and when the sliding cover is detachably installed on the shell body, the sliding cover covers the opening of the installation groove and shields the fixing column.

Description

Technical Field

[0001] The present application relates to the field of energy storage technology, and in particular to a protective housing and an energy storage device. Background Art

[0002] The energy storage device is an energy storage component that provides power to electrical equipment and is one of the important components of electrical equipment. In existing energy storage devices, a fixed bracket is usually added to the outside of the protective shell of the energy storage device to achieve fixed installation of the energy storage device. However, when the energy storage device does not need to be fixed, the fixing holes on the protective shell for installing the fixed bracket will be exposed, which reduces the overall appearance of the protective shell and affects the user experience. Utility Model Content

[0003] The present application provides a protective housing and an energy storage device, which can enhance the overall aesthetic appearance of the protective housing and improve the user experience.

[0004] In a first aspect, the present application provides a protective housing for an energy storage device. The protective housing includes a shell and a sliding cover, the shell is provided with a mounting groove, the opening of the mounting groove is located on the peripheral side of the shell, the bottom wall of the mounting groove is provided with a fixing column, the fixing column is used to install a fixing bracket, and when the sliding cover is detachably mounted on the shell, the sliding cover covers the opening of the mounting groove and shields the fixing column.

[0005] Among them, the groove side wall of the installation groove is provided with a first clamping portion, and the first clamping portion is spaced apart from the fixing column; the sliding cover is provided with a second clamping portion, and when the sliding cover is detachably installed on the shell, the second clamping portion is arranged on the surface of the sliding cover facing the installation groove, and is mutually clamped with the first clamping portion.

[0006] Among them, the first clamping portion is a clamping hole, which penetrates the groove side wall of the installation groove along the thickness direction of the groove side wall of the installation groove, and when the sliding cover is detachably installed on the shell, the second clamping portion is clamped in the clamping hole; or, the second clamping portion is a clamping hole, which penetrates the sliding cover along the thickness direction of the sliding cover, and when the sliding cover is detachably installed on the shell, the first clamping portion is penetrated into the clamping hole.

[0007] Among them, the sliding cover includes a sliding cover body, a connecting skirt and a reinforcing rib, the connecting skirt is fixedly connected to the peripheral side of the sliding cover body, the connecting skirt is provided with the second clamping portion facing the mounting groove, and the reinforcing rib is fixedly connected to the sliding cover body and is located on the inner side of the connecting skirt.

[0008] In which, the protective shell also includes a cover body, a switch trigger arm and a switch button, the cover body is detachably installed on the top side of the shell, the cover body is provided with a matching hole, and the matching hole penetrates the cover body along the thickness direction of the cover body; the switch trigger arm is located in the matching hole, the switch trigger arm includes a fixed end and a movable end arranged opposite to the fixed end, the fixed end is fixedly connected to the hole wall of the matching hole, and the movable end can move relative to the cover body along the thickness direction of the cover body; the switch button is located on the side of the cover body facing the shell, and along the height direction of the protective shell, the switch button and the movable end are arranged correspondingly.

[0009] Among them, the shell includes a bottom shell and a side shell, the side shell is arranged around the edge of the bottom shell and is fixedly connected to the bottom shell, the bottom shell is provided with a plurality of recesses, the openings of the plurality of recesses are all located on the surface of the bottom shell away from the side shell, and along the length direction of the protective shell, the plurality of recesses are arranged at intervals.

[0010] In a second aspect, the present application further provides an energy storage device, comprising a fixing bracket and a protective housing as described in any one of the above items, wherein when the fixing bracket is detachably mounted on the fixing column, the sliding cover is relatively free with respect to the housing.

[0011] Among them, the fixed bracket includes a first fixing part and a second fixing part, the first fixing part is detachably connected to the fixing column and extends out of the installation slot, the second fixing part is fixedly connected to an end of the first fixing part away from the fixing column, and the second fixing part is used to be fixed to a wall or the ground.

[0012] Wherein, the energy storage device also includes a battery module, which is installed in the shell; the side shell of the shell is provided with a limiter, which is located on the surface of the side shell facing the battery module, and protrudes from the surface of the side shell facing the battery module in the direction of the battery module and abuts against the battery module.

[0013] Wherein, the limiting body includes two first limiting parts, a second limiting part and a third limiting part, and the two first limiting parts, the second limiting part and the third limiting part are arranged at intervals from each other. Along the length direction of the energy storage device, the two first limiting parts are arranged at intervals and opposite to each other, and respectively abut against the opposite sides of the battery module. Along the width direction of the energy storage device, the second limiting part and the third limiting part are arranged opposite to each other, and respectively abut against the opposite sides of the battery module.

[0014] Among them, each of the first limiting parts is provided with a first mounting hole, and the opening of the first mounting hole is located on the surface of the first limiting part away from the bottom shell; the battery module includes a battery pack and a clamping member, the clamping member is installed on the side of the bottom shell of the battery pack away from the shell, and is located on the side of the first limiting part away from the bottom shell, the clamping member includes two pressure strips, along the width direction of the battery module, the two pressure strips are arranged at intervals, each of the pressure strips is provided with two second mounting holes, the two second mounting holes penetrate the pressure strip along the thickness direction of the pressure strip, and are arranged at intervals from each other, and each of the second mounting holes is connected to one of the first mounting holes; the energy storage device also includes a plurality of fixing members, each of the fixing members is penetrated through one of the second mounting holes and one of the first mounting holes, and is fixed to one of the pressure strips and one of the first limiting parts.

[0015] Among them, the third limiting portion includes a guide surface, which is located on the side of the third limiting portion away from the bottom shell, and the guide surface includes a first side close to the battery module and a second side arranged opposite to the first side, and the distance between the guide surface and the bottom shell gradually decreases in the direction from the second side to the first side.

[0016] Among them, the side shell is also provided with a limiting rib, which is located on the surface of the side shell facing the battery module, and protrudes from the surface of the side shell facing the battery module toward the battery module, and is spaced apart from the second limiting portion; the battery pack also includes a battery and a lead-out piece, the lead-out piece is electrically connected to the battery, and one end of the lead-out piece away from the battery abuts against the surface of the limiting rib facing the battery module.

[0017] The protective housing provided by the present application is provided with a sliding cover, and the sliding cover is detachably connected to the housing. When the energy storage device does not need to be fixed, the sliding cover can cover the fixing column provided in the installation groove, so that the fixing column will not be exposed to the outside, thereby increasing the overall appearance of the protective housing and improving the user experience. At the same time, it can also prevent the fixing column from being contaminated due to long-term exposure to the external environment, thereby helping to ensure that the cleanliness of the protective housing is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be described below.

[0019] Figure 1 is a schematic diagram of the structure of the energy storage device provided in an embodiment of the present application;

[0020] Figure 2 yes Figure 1 A partial structural schematic diagram of the energy storage device shown;

[0021] Figure 3 yes Figure 1 A schematic diagram of the exploded structure of the energy storage device shown;

[0022] Figure 4 yes Figure 3 The schematic diagram of the structure of the housing assembly of the protective housing in the energy storage device shown is cut along AA;

[0023] Figure 5 yes Figure 3 A schematic diagram of the exploded structure of the housing assembly of the protective housing in the energy storage device shown;

[0024] Figure 6 yes Figure 5 A schematic structural diagram of the housing of the housing assembly shown at another angle;

[0025] Figure 7 yes Figure 5 A schematic structural diagram of the housing of the housing assembly shown at another angle;

[0026] Figure 8 yes Figure 5 A schematic diagram of the structure of the sliding cover in the housing assembly shown;

[0027] Fig. 9 yes Figure 3 A schematic diagram of the structure of a battery module in the energy storage device shown;

[0028] Fig.10 yes Fig. 9 The schematic diagram of the exploded structure of the battery module shown;

[0029] Fig.11 yes Fig.10 A schematic diagram of the structure of a battery pack in the battery module shown;

[0030] Fig.12 yes Fig.11 A schematic diagram of the structure of the battery and the gasket in the battery pack shown;

[0031] Fig.13 yes Fig. 9 A schematic diagram of the structure of the pressure strip in the battery module shown;

[0032] Fig.14 yes Fig. 9 A schematic diagram of the structure of the protection board and the battery pack in the battery module shown;

[0033] Fig.15 yes Figure 3 A schematic diagram of the structure of a cover assembly in the energy storage device shown;

[0034] Fig.16 yes Fig.15A schematic diagram of the structure of the cover assembly shown at another angle;

[0035] Fig.17 yes Fig.15 A schematic diagram of the exploded structure of the cover assembly shown;

[0036] Fig.18 yes Fig.17 A schematic diagram of the structure of the cover body and the switch trigger arm in the cover body assembly shown at another angle;

[0037] Fig.19 yes Fig.18 The schematic diagram of the cross-sectional structure of the cover body and the switch trigger arm cut along BB;

[0038] Fig. 20 yes Fig.17 A schematic diagram of the structure of the switch member in the cover assembly shown;

[0039] Fig.21 yes Figure 1 The schematic diagram of the cross-sectional structure of the energy storage device shown is cut along CC;

[0040] Fig. 22 yes Figure 1 A schematic diagram of the structure of a fixing bracket of the energy storage device shown;

[0041] Fig.23 It is a structural schematic diagram of the energy storage device provided in this application when it is installed on a wall;

[0042] Fig.24 It is a structural schematic diagram of the energy storage device provided in this application when it is installed on the ground. DETAILED DESCRIPTION

[0043] In order to more clearly illustrate the technical solution of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be described below.

[0044] See also Figures 1 to 3 , Figure 1 is a schematic diagram of the structure of the energy storage device 1000 provided in an embodiment of the present application, Figure 2 yes Figure 1 A partial structural diagram of the energy storage device 1000 is shown, Figure 3 yes Figure 1 The schematic diagram of the exploded structure of the energy storage device 1000 is shown. For the convenience of description, the length direction of the energy storage device 1000 is defined as the X-axis direction, the width direction of the energy storage device 1000 is defined as the Y-axis direction, and the height direction of the energy storage device 1000 is defined as the Z-axis direction. The X-axis direction, the Y-axis direction and the Z-axis direction are perpendicular to each other.

[0045] In an embodiment of the present application, the energy storage device 1000 may be a device having a power storage function such as a connection harness 280 or a battery system. The energy storage device 1000 includes a protective shell 100, a battery module 200, an elastic member 300, and a plurality of fixing members 400. The battery module 200 and the elastic member 300 are both located in the protective shell 100. Among them, the elastic member 300 is supported between the battery module 200 and the protective shell 100. The elastic member 300 can fill the gap between the battery module 200 and the protective shell 100 to limit the battery module 200, so that the battery module 200 is fixed in the protective shell 100. Multiple fixing members 400 are used to fix the battery module 200 and the protective shell 100. In addition, the length direction of the protective shell 100 is parallel to the X-axis direction, the width direction of the protective shell 100 is parallel to the Y-axis direction, and the height direction of the protective shell 100 is parallel to the Z-axis direction.

[0046] It should be noted that the directional words such as “outside” and “inside” mentioned in the embodiments of the present application when describing the energy storage device 1000 are all in Figure 1 The energy storage device 1000 is described in terms of its orientation, with the side facing away from the interior of the protective housing 100 being referred to as “outside” and the side facing the interior of the protective housing 100 being referred to as “inside”. Similar descriptions hereinbelow may be understood in the same manner.

[0047] Please refer to Figure 4 , Figure 5 and Figure 6 , Figure 4 yes Figure 3 The schematic diagram of the structure of the housing assembly 110 of the protective housing 100 in the energy storage device 1000 after being cut along AA, Figure 5 yes Figure 3 The schematic diagram of the exploded structure of the housing assembly 110 of the protective housing 100 in the energy storage device 1000 is shown. Figure 6 yes Figure 5 The schematic diagram of the structure of the housing 10 of the housing assembly 110 is shown at another angle. Herein, "cut along AA" means cutting along the plane where the AA line is located, and similar descriptions in the following text can be understood in the same way.

[0048] The protective housing 100 includes a shell assembly 110 and a cover assembly 120, and the cover assembly 120 covers the top side of the shell assembly 110. The shell assembly 110 includes a shell 10 and a slide cover 20, and the slide cover 20 can be detachably mounted on the shell 10. In this embodiment, the shell 10 is provided with a mounting groove 121. The opening of the mounting groove 121 is located on the peripheral side of the shell 10. The shell 10 also includes a bottom shell 11 and a side shell 12. The side shell 12 is arranged around the edge of the bottom shell 11 and is fixedly connected to the bottom shell 11.

[0049] In this embodiment, the bottom shell 11 is provided with a plurality of recesses 111. The openings of the plurality of recesses 111 are all located on the surface of the bottom shell 11 away from the side shell 12. The plurality of recesses 111 are all recessed from the surface of the bottom shell 11 away from the side shell 12 toward the side shell 12. Along the X-axis direction, the plurality of recesses 111 are arranged at intervals.

[0050] It can be understood that when the protective shell 100 is placed on the ground, by providing a plurality of recesses 111 on the bottom shell 11, the contact area between the shell 10 of the protective shell 100 and the ground can be reduced, and the friction coefficient between the shell 10 and the ground can be increased, thereby helping to increase the friction between the shell 10 of the protective shell 100 and the ground, so that the shell 10 has an anti-slip effect.

[0051] Please refer to Figure 4 , Figure 5 and Figure 7 , Figure 7 yes Figure 5 The schematic diagram of the structure of the housing 10 of the housing assembly 110 is shown at another angle.

[0052] In this embodiment, the mounting groove 121 is provided on the side shell 12, and the opening of the mounting groove 121 is located on the outer peripheral surface of the side shell 12. The mounting groove 121 is recessed from the outer peripheral surface of the side shell 12 to the inner peripheral surface. A fixing column 122 is provided on the bottom wall of the mounting groove 121. The fixing column 122 is used to install the fixing bracket 500 of the energy storage device 1000. The fixing column 122 is provided with a fixing hole 1221, and the opening of the fixing hole 1221 is located on the surface of the fixing column 122 away from the bottom wall of the mounting groove 121. The fixing hole 1221 is recessed from the surface of the fixing column 122 away from the bottom wall of the mounting groove 121 toward the bottom wall of the mounting groove 121.

[0053] In this embodiment, there are multiple fixed columns 122. Multiple fixed columns 122 are arranged at intervals from each other. Exemplarily, there are four fixed columns 122. The four fixed columns 122 are respectively a first fixed column 122a, a second fixed column 122b, a third fixed column 122c and a fourth fixed column 122d. Among them, the first fixed column 122a and the second fixed column 122b are both located on one side in the Y-axis direction, and the third fixed column 122c and the fourth fixed column 122d are located on the other side in the Y-axis direction. Along the Z-axis direction, the first fixed column 122a is spaced apart from the second fixed column 122b, and the third fixed column 122c is spaced apart from the fourth fixed column 122d.

[0054] In addition, the groove side wall of the mounting groove 121 is provided with a first clamping portion 131, and the first clamping portion 131 is arranged at intervals with the plurality of fixing columns 122. Exemplarily, the first clamping portion 131 is a clamping hole. The first clamping portion 131 penetrates the groove side wall of the mounting groove 121 along the thickness direction of the groove side wall of the mounting groove 121. In this embodiment, there are a plurality of first clamping portions 131. Along the Y-axis direction, the plurality of first clamping portions 131 are arranged at intervals.

[0055] The side shell 12 also includes two first sub-side panels 123, a second sub-side panel 124 and a third sub-side panel 125. Among them, along the length direction of the protective housing 100 (the X-axis direction in the figure), the two first sub-side panels 123 are spaced and arranged opposite to each other. Specifically, each first sub-side panel 123 is provided with a mounting groove 121. In other words, the side shell 12 is provided with two mounting grooves 121. The second sub-side panel 124 and the third sub-side panel 125 are connected between the two first sub-side panels 123. Along the Y-axis direction, the second sub-side panel 124 and the third sub-side panel 125 are arranged opposite to each other.

[0056] In this embodiment, the side shell 12 is also provided with a limiting body 126 and a limiting rib 127. Specifically, the limiting body 126 and the limiting rib 127 are both located on the surface of the side shell 12 facing the battery module 200, and both protrude from the surface of the side shell 12 facing the battery module 200 toward the battery module 200. Among them, the limiting rib 127 is located on the surface of the second sub-side plate 124 facing the battery module 200. Exemplarily, there are two limiting ribs 127. The two limiting ribs 127 are respectively the first limiting rib 127a and the second limiting rib 127b. Along the X-axis direction, the first limiting rib 127a and the second limiting rib 127b are arranged at intervals.

[0057] In this embodiment, the limiting body 126 can also abut against the battery module 200 to limit the battery module 200. It should be noted that the limiting body 126 can directly abut against the battery module 200, or can be abutted against the battery module 200 through the elastic member 300, and the embodiments of the present application do not strictly limit this.

[0058] In this embodiment, the limiting body 126 includes two first limiting portions 126a, a second limiting portion 126b and a third limiting portion 126c, and the two first limiting portions 126a, the second limiting portion 126b and the third limiting portion 126c are arranged at intervals from each other. In some other embodiments, the two first limiting portions 126a, the second limiting portion 126b and the third limiting portion 126c can also be integrally formed.

[0059] In this embodiment, along the X-axis direction, the two first position limiting portions 126a are spaced apart and arranged opposite to each other, and respectively abut against opposite sides of the battery module 200. Specifically, each first position limiting portion 126a is located on a surface of a first sub-side plate 123 facing the battery module 200. Each first position limiting portion 126a is provided with at least one first mounting hole 1261, and the opening of the at least one first mounting hole 1261 is located on the surface of the first position limiting portion 126a away from the bottom shell 11.

[0060] Each first limiting portion 126a further includes two first sub-limiting portions 1262 and a connecting portion 1263. Along the Y-axis direction, the two first sub-limiting portions 1262 are arranged at intervals. Under this arrangement, space can be reserved for the battery module 200 when the battery in the battery module 200 expands, thereby helping to reduce the force exerted on the housing 10 when the battery in the battery module 200 expands, thereby helping to extend the service life of the housing 10. The connecting portion 1263 is connected between the two first sub-limiting portions 1262 to improve the structural strength of the first limiting portion 126a.

[0061] In addition, each first sub-limiting portion 1262 is provided with a first mounting hole 1261. Specifically, the opening of the first mounting hole 1261 is located on the surface of the first sub-limiting portion 1262 away from the bottom shell 11. The first mounting hole 1261 is recessed toward the bottom shell 11 along the surface of the first sub-limiting portion 1262 away from the bottom shell 11. That is, each first limiting portion 126a is provided with two first mounting holes 1261. Along the Y-axis direction, the two first mounting holes 1261 are spaced apart.

[0062] It is understandable that by providing a first limiting portion 126a on the surface of each first sub-side plate 123 facing the battery module 200, the battery module 200 can be limited in the length direction (X-axis direction in the figure), preventing the battery module 200 from being displaced due to expansion during use, and preventing the battery module 200 from moving along the X-axis direction. At the same time, by providing a first mounting hole 1261 on the first sub-limiting portion 1262 of the first limiting portion 126a, a fixing hole 1221 can be provided for the subsequent installation of the pressing member 250.

[0063] Along the width direction of the protective housing 100, the second limiting portion 126b and the third limiting portion 126c are arranged opposite to each other and respectively abut against the opposite sides of the battery module 200. The second limiting portion 126b is located on the surface of the second sub-side plate 124 facing the battery module 200. The second limiting portion 126b includes two second sub-limiting portions 1264 and a third sub-limiting portion 1265. Along the X-axis direction, the two second sub-limiting portions 1264 and the third sub-limiting portion 1265 are arranged at intervals. The third sub-limiting portion 1265 is located between the two second sub-limiting portions 1264.

[0064] Each second sub-limiting portion 1264 is disposed around the circumference of a limiting rib 127, and is spaced apart from a limiting rib 127. Each second sub-limiting portion 1264 is provided with an escape notch 1264a. The opening of the escape notch 1264a is located on the surface of the second sub-limiting portion 1264 facing the battery module 200. The escape notch 1264a is recessed from the surface of the second sub-limiting portion 1264 facing the battery module 200 in a direction away from the battery module 200, and the limiting rib 127 is exposed.

[0065] The third limiting portion 126c is located on the surface of the third sub-side plate 125 facing the battery module 200. For example, along the Y-axis direction, the third limiting portion 126c is spaced apart from the battery module 200. In some other embodiments, the third limiting portion 126c can also be disposed in contact with the battery module 200.

[0066] In this embodiment, the third limiting portion 126c includes a guide surface 1266, and the guide surface 1266 is located on the side of the third limiting portion 126c away from the bottom shell 11. The guide surface 1266 includes a first side 1266a close to the battery module 200 and a second side 1266b arranged opposite to the first side 1266a. In the direction from the second side 1266b to the first side 1266a, the distance between the guide surface 1266 and the bottom shell 11 gradually decreases. In other words, the guide surface 1266 of the third limiting portion 126c is inclined so that the battery module 200 can be smoothly installed in the housing 10. Exemplarily, the third limiting portion 126c may include a plurality of sub-limiting plates 1267. In the X-axis direction, the plurality of sub-limiting plates 1267 are arranged at intervals.

[0067] In addition, the shell 10 is further provided with a first locking portion 14. Specifically, the first locking portion 14 is provided on the outer surface of the shell 10, and is provided near the opening of the shell 10. In the present embodiment, there are a plurality of first locking portions 14, and the plurality of first locking portions 14 are provided at intervals around the periphery of the shell 10. Exemplarily, the first locking portion 14 is a card slot. Specifically, the openings of the first locking portions 14 are all located on the outer surface of the shell 10, and the first locking portion 14 is recessed from the outer surface of the shell 10 toward the inner surface of the shell 10. In some other embodiments, the first locking portion 14 may also be a buckle.

[0068] Please refer to Figure 4 , Figure 5 and Figure 8 , Figure 8 yes Figure 5 A schematic structural diagram of the sliding cover 20 in the housing assembly 110 is shown.

[0069] In this embodiment, there are two slide covers 20. Each slide cover 20 can be detachably mounted on a first sub-side plate 123 of the side shell 12, and covers the opening of a mounting groove 121, and shields the fixing column 122. Specifically, the slide cover 20 is provided with a second clamping portion 204. When the slide cover 20 is detachably mounted on the housing 10, the second clamping portion 204 is provided on the surface of the slide cover 20 facing the mounting groove 121, and is mutually clamped with the first clamping portion 131, so that the slide cover 20 and the housing 10 can be detachably assembled. Exemplarily, the second clamping portion is a clamping column. When the slide cover 20 is mounted on the housing 10, the second clamping portion 204 is clamped in the clamping hole. In this embodiment, there are multiple second clamping portions 204. Along the Y-axis direction, multiple second clamping portions 204 are arranged at intervals. When the slide cover 20 is mounted on the housing 10, each second clamping portion 204 is mutually clamped with a first clamping portion 131. That is, each second engaging portion 204 is engaged with one engaging hole.

[0070] In some other embodiments, the first clamping portion 131 may be a clamping column, and the second clamping portion 204 may also be a clamping hole. When the second clamping portion 204 is a clamping hole, the second clamping portion 204 penetrates the sliding cover 20 along the thickness direction of the sliding cover 20 (the X-axis direction in the figure). When the sliding cover 20 is assembled with the housing 10, the second clamping portion 204 and the first clamping portion 131 are mutually clamped. That is, the first clamping portion 131 is penetrated in the clamping hole. Under this setting, the sliding cover 20 and the housing 10 can also be detachably installed.

[0071] In this embodiment, by providing the sliding cover 20 and making the sliding cover 20 detachably connected to the housing 10, when the energy storage device 1000 does not need to be fixed, the sliding cover 20 can cover the fixing column 122 provided in the installation groove 121, so that the fixing column 122 will not be exposed to the outside, thereby increasing the overall appearance of the protective housing 100 and improving the user's experience. At the same time, it can also prevent the fixing column 122 from being contaminated due to long-term exposure to the external environment, thereby helping to ensure that the cleanliness of the protective housing 100 of the energy storage device 1000 is good.

[0072] In this embodiment, the sliding cover 20 further includes a sliding cover body 201, a connecting skirt 202 and a reinforcing rib 203. The connecting skirt 202 is fixedly connected to the peripheral side of the sliding cover body 201. The connecting skirt 202 is provided with the above-mentioned second clamping portion 204 toward the mounting groove 121. Specifically, the connecting skirt 202 includes two first sections 2021 and a second section 2022. Along the Y-axis direction, the two first sections 2021 are respectively connected to the opposite sides of the sliding cover body 201. The second section 2022 is fixedly connected between the two first sections 2021. Among them, the second section 2022 is provided with a second clamping portion 204 toward the mounting groove 121.

[0073] The reinforcing rib 203 is fixedly connected to the sliding cover body 201 and is located on the inner side of the connecting skirt 202 to enhance the structural strength of the sliding cover 20. Specifically, the reinforcing rib 203 is fixedly connected between the sliding cover body 201 and the second section 2022 connecting the skirt 202. Exemplarily, there are multiple reinforcing ribs 203. Along the Y-axis direction, multiple reinforcing ribs 203 are arranged at intervals. Each reinforcing rib 203 extends along the Z-axis direction.

[0074] Please refer again Figure 2 and Figure 3 In this embodiment, the elastic member 300 is generally in the shape of a sheet. The elastic member 300 abuts between the battery module 200 and the third limiting portion 126c of the side shell 12 to eliminate the gap between the battery module 200 and the third limiting portion 126c. Exemplarily, the elastic member 300 is ethylene-vinyl acetate copolymer (EVA) foam. In some other embodiments, the elastic member 300 may also be a silicone pad.

[0075] In this embodiment, by using the elastic member 300, the second limiting portion 126b and the third limiting portion 126c in combination, the excess gap between the battery module 200 and the side shell 12 can be eliminated, and the battery module 200 can be limited in the width direction (the Y-axis direction shown in the figure), thereby preventing the battery module 200 from being displaced due to expansion during use and preventing the battery module 200 from moving along the Y-axis direction.

[0076] In this embodiment, by setting the limiter 126 and the elastic member 300 inside the protective shell 100, the battery module 200 can be limited in the length direction and width direction of the battery module 200 respectively, so as to prevent the battery module 200 from moving along the X-axis direction and the Y-axis direction. At the same time, this setting can also reduce the number of elastic members 300 used in the energy storage device 1000, and prevent the battery module 200 from being wrapped by the elastic member 300, thereby facilitating the heat dissipation of the battery module 200. In addition, setting the limiter 126 in the side shell 12 can also strengthen the structural strength of the shell 10 of the protective shell 100, and improve the reliability of the protective shell 100.

[0077] Please refer to Fig. 9 and Fig.10 , Fig. 9 yes Figure 3 The schematic diagram of the structure of the battery module 200 in the energy storage device 1000 is shown. Fig.10 yes Fig. 9 A schematic diagram of the exploded structure of the battery module 200 is shown.

[0078] In this embodiment, the battery module 200 includes a battery pack 210, a first heating film 220, a second heating film 230, two insulating sheets 240, a pressing member 250, a protective plate 260 and a plurality of fasteners 270. In the Z-axis direction, the first heating film 220 and the second heating film 230 are respectively arranged on opposite sides of the battery pack 210, and both are attached to the battery pack 210. In the Z-axis direction, the first heating film 220 is located on the side of the battery pack 210 away from the bottom shell 11, and the second heating film 230 is located on the side of the battery pack 210 facing the bottom shell 11. It should be understood that charging the battery pack 210 in a low temperature environment will cause damage to the battery pack 210. Under this setting, when the battery pack 210 needs to be charged in a low-temperature environment, the battery pack 210 can be heated by the first heating film 220 and the second heating film 230 before the battery pack 210 is charged, thereby avoiding damage to the battery pack 210 due to charging in a low-temperature environment, thereby helping to extend the service life of the battery pack 210.

[0079] Along the X-axis direction, the two insulating sheets 240 are respectively located on opposite sides of the battery pack 210. Each insulating sheet 240 is located between the pressing member 250 and the battery pack 210. The pressing member 250 and the protective plate 260 are both located on the side of the battery pack 210 away from the bottom shell 11. Among them, the protective plate 260 is installed on the side of the pressing member 250 away from the first heating film 220. A plurality of fasteners 270 are used to fix the protective plate 260 and the pressing member 250.

[0080] Please refer to Fig.11 and Fig.12 , Fig.11 yes Fig.10 The schematic diagram of the structure of the battery pack 210 in the battery module 200 is shown in FIG. Fig.12 yes Fig.11 A schematic structural diagram of a battery 211 and a gasket 212 in a battery pack 210 is shown.

[0081] The battery pack 210 includes a plurality of batteries 211, a plurality of gaskets 212, a plurality of electrical connection sheets 213, and two lead-out sheets 214. The plurality of batteries 211 are connected in series or in parallel through the plurality of electrical connection sheets 213, and the plurality of batteries 211 are also connected through the two lead-out sheets 214 to lead out the positive and negative electrodes of the battery pack 210, which will be described in detail below.

[0082] In this embodiment, multiple batteries 211 are arranged in sequence along the length direction of the battery module 200 (the X-axis direction in the figure). For example, multiple batteries 211 can be arranged in series. In some other embodiments, multiple batteries 211 can also be arranged in parallel, or some batteries 211 can be arranged in series and some batteries 211 can be arranged in parallel. The embodiment of the present application does not specifically limit the connection method of multiple batteries 211 in the battery pack 210.

[0083] In this embodiment, the number of batteries 211 depends on the capacity requirements of the battery module 200. Exemplarily, there are four batteries 211. The four batteries 211 are respectively a first battery 211a, a second battery 211b, a third battery 211c and a fourth battery 211d. Along the X-axis direction, the first battery 211a, the second battery 211b, the third battery 211c and the fourth battery 211d are arranged in sequence.

[0084] Each gasket 212 is located between two adjacent batteries 211 to avoid short circuits between two adjacent batteries 211 due to direct contact. Each gasket 212 is provided with an avoidance hole 212a. The avoidance hole 212a penetrates the gasket 212 along the thickness direction of the gasket 212. It should be understood that during the use of the battery module 200, the batteries 211 in the battery pack 210 will expand. Among them, the expansion direction of the batteries 211 in the battery pack 210 is parallel to the X-axis direction. For the battery pack 210 as a whole, both side surfaces in the length direction of the battery pack 210 (X-axis direction in the figure) are expansion surfaces. By providing the avoidance hole 212a on the gasket 212, expansion space can be reserved for the battery 211, thereby helping to reduce the internal pressure of the battery 211 after expansion, preventing the battery 211 from exploding, and thus helping to extend the service life of the battery pack 210.

[0085] In this embodiment, the plurality of electrical connection sheets 213 and the two lead-out sheets 214 are all made of metal materials. Exemplarily, the plurality of electrical connection sheets 213 and the two lead-out sheets 214 are all made of copper metal materials. Among them, the plurality of electrical connection sheets 213 are electrically connected to the plurality of batteries 211. Among them, each electrical connection sheet 213 is electrically connected between two adjacent batteries 211. Specifically, one end of each electrical connection sheet 213 is electrically connected to the positive pole of one battery 211, and the other end is electrically connected to the negative pole of another battery 211. In some other embodiments, when the plurality of batteries 211 are arranged in parallel, some of the electrical connection sheets 213 are electrically connected between the positive poles of two batteries 211, and some of the electrical connection sheets 213 are electrically connected between the negative poles of two batteries 211.

[0086] In this embodiment, each electrical connection piece 213 is provided with a plurality of assembly holes 213a. The plurality of assembly holes 213a penetrate the electrical connection piece 213 along the thickness direction of the electrical connection piece 213 and are spaced apart from each other. The plurality of assembly holes 213a are used to fix the voltage sampling wires (not shown in the figure) of the battery 211. It can be understood that the voltage sampling wires can realize the electrical connection between the battery 211 and the test instrument. The voltage of the battery 211 can be transmitted to the test instrument through the voltage sampling wires, and the user can perform data analysis on the voltage of the battery 211 through the test instrument to realize the real-time monitoring of the voltage state of the battery 211, so as to be able to understand the state and health of the battery 211 in real time.

[0087] Each lead-out piece 214 is electrically connected to a battery 211. In this embodiment, the two lead-out pieces 214 are respectively a first lead-out piece 214a and a second lead-out piece 214b. Among them, the first lead-out piece 214a is electrically connected to the first battery 211a of the battery pack 210, and the second lead-out piece 214b is electrically connected to the fourth battery 211d of the battery pack 210. In addition, through holes (not marked in the figure) are provided on both the first lead-out piece 214a and the second lead-out piece 214b, so as to facilitate the subsequent fixing of the power line and the voltage sampling line on the first lead-out piece 214a and the second lead-out piece 214b, so that the battery module 200 can be electrically connected to other components in the energy storage device 1000.

[0088] In this embodiment, the polarities of the first lead-out piece 214a and the second lead-out piece 214b are opposite to each other to realize the lead-out of the positive and negative poles of the battery pack 210. Exemplarily, the polarity of the first lead-out piece 214a is positive, and the polarity of the second lead-out piece 214b is negative. In some other embodiments, the polarity of the first lead-out piece 214a can also be negative, and the polarity of the second lead-out piece 214b can also be positive.

[0089] Please refer to Fig. 9 、 Fig.10 and Fig.13 , Fig.13 is Fig. 9 the schematic structural diagram of the pressing strip 251 in the battery module 200 shown in the figure.

[0090] In this embodiment, the pressing member 250 is generally in a "C" shape and is made of a metal material. The pressing member 250 includes two pressing strips 251. Along the Y-axis direction, the two pressing strips 251 are spaced apart. In some other embodiments, the two pressing strips 251 can also be integrally formed, and the embodiments of the present application do not strictly limit this.

[0091] In this embodiment, each bead 251 is provided with a second mounting hole 2511. The second mounting holes 2511 penetrate the bead 251 along the thickness direction of the bead 251 and are arranged at intervals from each other. The second mounting holes 2511 of each bead 251 are connected to the first mounting hole 1261 of a first limiting portion 126a. Each bead 251 also includes a bead body 252 and a fastening column 253, and the fastening column 253 is fixedly connected to the bead body 252. Specifically, the bead body 252 includes a first part 2521 and two second parts 2522. The two second parts 2522 are fixedly connected to the first part 2521. Along the X-axis direction, the two second parts 2522 are respectively located on opposite sides of the first part 2521. Each second part 2522 is provided with the above-mentioned second mounting hole 2511.

[0092] The fastening column 253 is fixedly connected to the side of the bead body 252 facing away from the battery pack 210. Specifically, the fastening column 253 is fixedly connected to the first part 2521 of the bead body 252. The fastening column 253 is provided with a first fastening hole 2531, and the opening of the first fastening hole 2531 is located on the surface of the fastening column 253 facing away from the first part 2521. The first fastening hole 2531 is recessed from the surface of the fastening column 253 facing away from the first part 2521 toward the first part 2521. Exemplarily, each bead 251 includes two fastening columns 253. Along the X-axis direction, the two fastening columns 253 are arranged at intervals.

[0093] When the pressing member 250 is installed on the battery pack 210, the first portion 2521 of each pressing strip 251 is installed on the surface of the first heating film 220 away from the battery pack 210. The second portion 2522 of each pressing strip 251 is located on the side of an insulating sheet 240 away from the battery pack 210. Under this arrangement, the battery pack 210 can be separated from the pressing member 250 to prevent the battery pack 210 from short-circuiting due to direct contact with the pressing member 250, thereby ensuring better reliability of the battery pack 210.

[0094] Please refer to Fig. 9 , Fig.10 and Fig.14 , Fig.14 yes Fig. 9 A schematic diagram of the structure of the protection board 260 and the battery pack 210 in the battery module 200 is shown.

[0095] In this embodiment, the protection plate 260 is provided with a plurality of second fastening holes 261, and the plurality of second fastening holes 261 all penetrate the protection plate 260 along the thickness direction (Z-axis direction in the figure) of the protection plate 260. Each second fastening hole 261 is connected to a first fastening hole 2531 of a fastening column 253. Exemplarily, the protection plate 260 may be a battery management system (BMS).

[0096] It should be understood that the battery management system has functions such as low temperature protection and recovery, heating, Bluetooth transmission, communication, short circuit protection and recovery, overcharge, over discharge, over current and over temperature protection and recovery, so as to achieve the management, monitoring and protection of the battery pack 210, thereby helping to improve the utilization rate of the battery pack 210 and extend the service life of the battery pack 210. Among them, the communication interface of the battery management system can be a CAN (Controller Area Network) communication interface or an RS-485 (Recommended Standard-485, a standard for electrical characteristics of drivers and receivers in balanced digital multi-point systems) communication interface.

[0097] In this embodiment, the plurality of fasteners 270 may be screws. Each fastener 270 is inserted through a second fastening hole 261 of the protection plate 260 and a first fastening hole 2531 of a fastening column 253, and is fixed to the protection plate 260 and the two beadings 251 to achieve assembly of the protection plate 260 and the two beadings 251. In addition, when the protection plate 260 and the two beadings 251 are assembled, the protection plate 260 and the first portion 2521 of each beading 251 are spaced apart.

[0098] It can be understood that since the first part 2521 of the pressure strip 251 is attached to the surface of the first heating film 220 facing away from the battery pack 210, this arrangement allows a gap to exist between the protective plate 260 and the pressure strip 251, thereby allowing a reserved space to exist between the protective plate 260 and the battery pack 210, which can prevent the heat dissipated by the protective plate 260 during use from affecting the batteries 211 of the battery pack 210, thereby also reducing the heat radiation or heat transfer effect of the protective plate 260 on the batteries 211 of the battery pack 210.

[0099] In addition, the battery module 200 further includes a connection harness 280. The connection harness 280 is electrically connected between the protection plate 260 and the first lead-out piece 214a of the connection harness 280 to achieve electrical connection between the protection plate 260 and the battery pack 210, so that the protection plate 260 can protect the battery pack 210 during the charging and discharging process of the battery pack 210.

[0100] Please refer again Figure 2. During the assembly process of the battery module 200, the multiple batteries 211 are first arranged neatly in the jig according to the capacity and voltage requirements required in the actual production process, and then the multiple electrical connection pieces 213, the first lead-out piece 214a and the second lead-out piece 214b are welded to the multiple batteries 211 to obtain the battery pack 210. In this process, after the multiple batteries 211 are neatly arranged in the jig, the multiple electrical connection pieces 213, the first lead-out piece 214a and the second lead-out piece 214b are directly welded to the multiple batteries 211 on the welding table to obtain the battery pack 210, without the need to use corner guards and plastic steel belts to assist in grouping, thereby helping to optimize the assembly process of the battery pack 210 and improve the production efficiency of the battery module 200.

[0101] Then, the two insulating sheets 240, the first heating film 220 and the second heating film 230 are respectively mounted on the battery pack 210. After that, the overall structure formed by the two insulating sheets 240, the first heating film 220 and the second heating film 230 and the battery pack 210 is placed inside the shell 10 of the protective shell 100. In this process, since the surface of the insulating sheet 240 is usually smooth, the insulating sheet 240 can reduce the friction between the battery pack 210 and the two first limiting portions 126a of the side shell 12, so that the battery pack 210 can be smoothly inserted into the shell.

[0102] Next, along the Z-axis direction, the pressing sheet and the protective plate 260 are sequentially installed to the same side of the battery pack 210, thereby assembling the battery module 200. In this embodiment, after the battery pack 210 is fixedly installed in the shell 10 of the protective shell 100, along the Z-axis direction, the surface of the battery pack 210 away from the bottom shell 11 is higher than the surface of the limiter 126 away from the bottom shell 11. In other words, the limiter 126 of the opposite side shell 12 of the battery pack 210 protrudes. Under this setting, the shell 10 of the protective shell 100 can be used as a jig for assembling the battery module 200. At this time, the battery pack 210 can be directly assembled with the pressing sheet and the protective plate 260 inside the shell 10, without first assembling the battery 211 with the pressing sheet and the protective plate 260 and then placing it in the shell 10, which helps to optimize the assembly process of the battery module 200, shorten the assembly time of the battery module 200, and improve the production efficiency of the energy storage device 1000.

[0103] Finally, the battery module 200 and the housing 10 of the protective housing 100 are fixed by the fixing member 400. Specifically, each fixing member 400 is inserted into a second mounting hole 2511 and a first mounting hole 1261, and is connected to a pressure strip 251 and a first limiting portion, so that the battery module 200 and the housing 10 are assembled. It can be understood that by fixing the pressure strip 251 and the first limiting portion 126a by the fixing member 400, the battery module 200 can be limited in the height direction of the battery module 200.

[0104] In this embodiment, by setting a limit body 126 inside the shell 10 and using the limit body 126 and the elastic member 300 in combination, the battery module 200 can be limited in the length direction, width direction and height direction of the battery module 200 respectively, so that the battery module 200 can be fixedly installed in the shell 10.

[0105] In addition, after the battery module 200 is installed in the housing 10, one end of each lead-out piece 214 away from the battery 211 abuts against a surface of a limiting rib 127 facing the battery module 200 and a surface of a second sub-limiting portion 1264 facing the battery module 200. Among them, one end of the first lead-out piece 214a away from the first battery 211a abuts against the surface of the first limiting rib 127a facing the battery module 200 and one second sub-limiting portion 1264 of the second limiting portion 126b facing the battery module 200. One end of the second lead-out piece 214b away from the fourth battery 211d abuts against the surface of the second limiting rib 127b facing the battery module 200 and another second sub-limiting portion 1264 of the second limiting portion 126b facing the battery module 200.

[0106] Under this setting, when the lead-out piece 214 is fixed to the power line and the voltage sampling line of the battery module 200, the limiting rib 127 and the two second sub-limiting parts 1264 can limit the lead-out piece 214 to prevent the lead-out piece 214 from being deformed under the action of the locking force.

[0107] Please refer to Fig.15 and Fig.16 , Fig.15 yes Figure 3 The schematic diagram of the structure of the cover assembly 120 in the energy storage device 1000 is shown in FIG. Fig.16 yes Fig.15 The structure of the cover assembly 120 is shown in another perspective.

[0108] The cover assembly 120 is mounted on the top side of the housing 10 and seals the opening of the housing 10. In this embodiment, the cover assembly 120 includes a cover 30, a positive electrode assembly 40, a negative electrode assembly 50, a handle 60, a communication assembly 70, a switch component 80, a switch trigger arm 90 and a waterproof breathable membrane (not shown). The positive electrode assembly 40, the negative electrode assembly 50, the handle 60, the switch trigger arm, the communication assembly 70, the switch component 80 and the waterproof breathable membrane are all mounted on the cover 30.

[0109] Please also read Figures 17 to 19 , Fig.17 yes Fig.15 The exploded structural diagram of the cover assembly 120 is shown in FIG. Fig.18 yes Fig.17The structure diagram of the cover body 30 and the switch trigger arm 90 in the cover body assembly 120 shown in FIG. 1 is shown in FIG. 1 from another angle. Fig.19 yes Fig.18 The cover body 30 and the switch trigger arm 90 are shown as a schematic cross-sectional structure diagram along BB.

[0110] In this embodiment, the cover body 30 is provided with a positive through hole 31, a negative through hole 32, a vent hole 33, a matching hole 34, a receiving groove 35, an assembly groove 36, a light-transmitting hole 37 and a communication installation hole 38. Among them, the positive through hole 31, the negative through hole 32, the light-transmitting hole 37 and the matching hole 34 all penetrate the cover body 30 along the thickness direction of the cover body 30 (Z-axis direction in the figure), and are arranged at intervals from each other. Specifically, the positive through hole 31 and the negative through hole 32 are both located on one side of the cover body 30 in the Y-axis direction. Along the X-axis direction, the positive through hole 31 and the negative through hole 32 are arranged at intervals. The light-transmitting hole 37 and the matching hole 34 are both located on the other side of the cover body 30 in the Y-axis direction. Along the X-axis direction, the light-transmitting hole 37 and the matching hole 34 are arranged at intervals. Exemplarily, there are two light-transmitting holes 37. Along the X-axis direction, the two light-transmitting holes 37 are arranged at intervals.

[0111] The opening of the receiving groove 35 is located on the outer surface of the cover body 30. The receiving groove 35 is recessed from the outer surface of the cover body 30 to the inner surface, and penetrates part of the outer side of the cover body 30. The air vent 33 is provided on the bottom wall of the receiving groove 35. The air vent 33 penetrates the bottom wall of the receiving groove 35 along the thickness direction of the bottom wall of the receiving groove 35. The air vent 33 is conducive to the air replacement of the protective shell 100, avoiding the high pressure inside the protective shell 100, thereby avoiding the battery module 200 from swelling due to the internal high pressure. The assembly groove 36 is arranged around the circumference of the air vent 33. Specifically, the opening of the assembly groove 36 is located on the inner surface of the cover body 30, and the assembly groove 36 is recessed from the inner surface of the cover body 30 to the outer surface, and penetrates the hole wall of the air vent 33. The communication mounting hole 38 is located on one side of the cover body 30 in the X-axis direction, and penetrates the cover body 30 along the X-axis direction. Exemplarily, there are two communication mounting holes 38. Along the Y-axis direction, two communication mounting holes 38 are arranged at intervals.

[0112] In addition, the cover body 30 is further provided with a boss 39. The boss 39 is provided on the bottom side of the cover body 30 and is arranged around the periphery of the cover body 30. The boss 39 is provided with a glue groove 391 and a second locking portion 392. Specifically, the opening of the glue groove 391 is located at the bottom surface of the boss 39, and the glue groove 391 is arranged around the periphery of the cover body 30. The glue groove 391 has a first groove side wall 3911, a second groove side wall 3912 and a groove bottom wall 3913, the first groove side wall 3911 and the second groove side wall 3912 are spaced and arranged oppositely, and the groove bottom wall 3913 is connected between the first groove side wall 3911 and the second groove side wall 3912. The second locking portion 392 is provided on the second groove side wall 3912. In this embodiment, there are multiple second locking portions 392, and the multiple second locking portions 392 are spaced around the periphery of the cover body 30. Exemplarily, the second locking portion 392 is a buckle. Specifically, the second locking portion 392 protrudes from the second groove side wall 3912 toward the first groove side wall 3911. In some other embodiments, the second locking portion 392 may also be a locking groove.

[0113] In this embodiment, the switch trigger arm 90 is located in the matching hole 34. Specifically, the switch trigger arm 90 includes a fixed end 91 and a movable end 92 disposed opposite to the fixed end 91. The fixed end 91 is fixedly connected to the hole wall of the matching hole 34. The movable end 92 can move relative to the cover body 30 along the thickness direction of the cover body 30.

[0114] Please also Fig. 20 , Fig. 20 yes Fig.17 A schematic structural diagram of the switch member 80 in the cover assembly 120 is shown.

[0115] The switch member 80 is located on the side of the cover 30 facing the housing 10. The switch member 80 includes a fixing plate 81, a light emitting member 82 and a switch button 83, and the light emitting member 82 and the switch button 83 are both fixedly mounted on the fixing plate 81. The fixing plate 81 is fixedly mounted on the cover 30 and is spaced apart from the surface of the cover 30 facing the housing 10. Exemplarily, the fixing plate 81 may be a circuit board.

[0116] The light emitting member 82 and the switch button 83 are both located on the side of the fixing plate 81 facing the cover body 30, and are spaced apart from each other. There are two light emitting members 82. Each light emitting member 82 is inserted into a light-transmitting hole 37 so that the light emitted by the light emitting member 82 can be emitted through the light-transmitting hole 37. Exemplarily, the light emitting member 82 is a light emitting diode (LED).

[0117] Along the Z-axis direction, the switch button 83 is arranged corresponding to the movable end 92 of the switch trigger arm 90. Under this arrangement, when the user presses the movable end 92 of the switch trigger arm 90, the movable end 92 moves relative to the cover body 30 along the thickness direction of the paste toward the switch button 83 and contacts the switch button 83, thereby turning on or off the energy storage device 1000.

[0118] Please continue reading Figures 15 to 17 The positive electrode assembly 40 includes a positive electrode post 41 and a positive electrode harness 42, and the positive electrode harness 42 is fixedly connected to the positive electrode post 41. The positive electrode post 41 is fixedly installed in the positive electrode through hole 31. The negative electrode assembly 50 includes a negative electrode post 51 and a negative electrode harness 52, and the negative electrode harness 52 is fixedly connected to the negative electrode post 51. The negative electrode post 51 is installed in the negative electrode through hole 32 of the cover body 30.

[0119] The communication component 70 includes a circuit board 71 and two communication interfaces 72, and the two communication interfaces 72 are fixedly connected to the circuit board 71. Along the Y-axis direction, the two communication interfaces 72 are spaced apart. Among them, the communication interface 72 can be a CAN communication interface or an RS-485 communication interface. When the communication component 70 is installed to the cover body 30, the circuit board 71 is located on the inner side of the cover body 30. Each communication interface 72 is penetrated by a communication mounting hole 38. Exemplarily, the communication interface 72 is fixed to the cover body 30 by a nut. It can be understood that the outer peripheral surface of each communication interface 72 is provided with a thread. At this time, the communication structure is equivalent to a screw. The nut is sleeved on the communication interface 72 and tightened to achieve the assembly between the communication interface 72 and the cover body 30.

[0120] The handle 60 is installed in the receiving groove 35 and is rotatably connected to the cover body 30, so that the user can carry the energy storage device 1000. The waterproof breathable membrane is fixedly installed in the assembly groove 36 and covers the air hole 33. The waterproof breathable membrane not only has a waterproof function, which can prevent moisture in the external environment air from entering the interior of the protective shell 100 and avoid affecting the performance of the battery module 200, but also has a breathable function to ensure that the function of the air hole 33 is not affected.

[0121] Please also read Figure 2 and Fig.21 , Fig.21 yes Figure 1 The energy storage device 1000 shown is a schematic cross-sectional structure diagram after being cut along CC.

[0122] After the battery module 200 and the shell 10 are assembled, the cover assembly 120 is installed on the top side of the shell 10. At this time, the cover 30 covers the top side of the shell 10. Among them, the first groove side wall 3911 of the glue groove 391 of the cover 30 is spaced apart from the inner surface of the shell 10. The second groove side wall 3912 of the glue groove 391 is spaced apart from the outer surface of the shell 10. The groove bottom wall 3913 of the glue groove 391 is spaced apart from the top surface of the shell 10. Each first locking portion 14 and a second locking portion 392 are detachably locked to each other.

[0123] It is understandable that after the sealant is injected into the glue groove 391, the sealant needs to be cured. During the curing process of the sealant, the cover 30 and the shell 10 can be interlocked and fixed by the first locking portion 14 and the second locking portion 392 to solidify the sealant without the need to fix the cover 30 and the shell 10 with a strap, which can prevent the cover 30 and the shell 10 from separating due to the tension of the sealant, thereby improving the assembly efficiency of the protective housing 100 and reducing the occupied area of ​​the production site to avoid wasting resources.

[0124] One end of the positive wiring harness 42 away from the positive pole 41 is electrically connected to the second lead-out piece 214b, so that the battery pack 210 is electrically connected to the positive pole 41. One end of the negative wiring harness 52 away from the negative pole 51 is electrically connected to the protection plate 260, so that the negative pole 51 is electrically connected to the protection plate 260. The fixing plate 81 of the switch member 80 is electrically connected to the battery module 200. Exemplarily, the fixing plate 81 of the switch member 80 can be electrically connected to the battery module 200 through a cable, so that the user can turn on or off the energy storage device 1000 by pressing the switch button 83 of the switch member 80.

[0125] See also Fig. 22 , Fig. 22 yes Figure 1 A schematic structural diagram of a fixing bracket of the energy storage device 1000 is shown.

[0126] In this embodiment, the energy storage device 1000 may further include a fixing bracket 500. The fixing bracket 500 is detachably mounted on the shell 10 of the protective shell 100. Specifically, the fixing bracket 500 is detachably mounted on the fixing column 122. The fixing bracket 500 is used to enable the energy storage device 1000 to be installed on the ground or on a wall. Among them, when the fixing bracket 500 is detachably mounted on the fixing column 122, the sliding cover 20 is relatively free with the shell 10. It should be noted that "the sliding cover 20 is relatively free with the shell 10" means that the sliding cover 20 is not installed on the shell 10 and does not cover the mounting groove 121 and the fixing column 122.

[0127] In this embodiment, the fixing bracket 500 includes a first fixing portion 510 and a second fixing portion 520, and the second fixing portion 520 is fixedly connected to the first fixing portion 510. Exemplarily, the first fixing portion 510 and the second fixing portion 520 are arranged to intersect. Among them, the first fixing portion 510 is detachably connected to the fixing column 122 and extends out of the mounting groove 121. The first fixing portion 510 is provided with a first hole 511 and a second hole 512. The first hole 511 and the second hole 512 both penetrate the first fixing portion 510 along the thickness direction of the first fixing portion 510, and are arranged at intervals from each other.

[0128] The second fixing portion 520 is fixedly connected to an end of the first fixing portion 510 away from the fixing column 122. The second fixing portion 520 is used to be fixed to a wall or the ground. Specifically, the second fixing portion 520 is provided with two third holes 521, and the two third holes 521 both penetrate the second fixing portion 520 along the thickness direction of the second fixing portion 520 and are spaced apart from each other.

[0129] See also Fig.23 , Fig.23 It is a structural schematic diagram of the energy storage device 1000 provided in the present application when installed on a wall.

[0130] In this embodiment, when the energy storage device 1000 needs to be installed against a wall or on the ground, the sliding cover 20 can be removed from the housing 10 first, and then the fixing bracket 500 can be installed on the fixing column 122 of the housing 10. Fig.23 As shown, the first hole 511 of the first fixing portion 510 and the first fixing column ( Fig.23 The fixing holes (not shown) Fig.23 The second hole 512 of the first fixing portion 510 is connected to the second fixing column (not shown). Fig.23 The fixing holes (not shown) Fig.23 The first fixing portion 510 is connected to the wall (not shown), and the second fixing portion 520 is in contact with the wall. In this embodiment, the energy storage device 1000 also includes a first locking member (not shown), a second locking member (not shown) and two third locking members (not shown). Specifically, the first locking member is passed through the first hole 511 of the first fixing portion 510 and the fixing hole 1221 of the first fixing column 122a, and is fixed to both the first fixing portion 510 and the first fixing column 122a. The second locking member is passed through the second hole 512 of the first fixing portion 510 and the fixing hole 1221 of the second fixing column 122b, and is fixed to both the first fixing portion 510 and the second fixing column 122b. Under this arrangement, the first fixing portion 510 of the fixing bracket 500 can be fixed to the shell 10.

[0131] In some other embodiments, the first locking member is provided through the first hole 511 of the first fixing portion 510 and the fixing hole 1221 of the third fixing column 122c, and is fixed to both the first fixing portion 510 and the third fixing column 122c. The second locking member is provided through the second hole 512 of the first fixing portion 510 and the fixing hole 1221 of the fourth fixing column 122d, and is fixed to both the first fixing portion 510 and the fourth fixing column 122d. Under this arrangement, the first fixing portion 510 of the fixing bracket 500 can also be fixed to the housing 10.

[0132] In this embodiment, each third locking member is inserted into a third hole 521 and embedded in the wall, so that the second fixing portion 520 of the fixing bracket 500 is fixed to the wall. It can be understood that by using the fixing bracket 500 and fixing the fixing bracket 500 to the wall and the housing 10 of the energy storage device 1000, the energy storage device 1000 can be installed on the wall.

[0133] See also Fig.24 , Fig.24 It is a schematic diagram of the structure of the energy storage device 1000 provided in the present application when it is installed on the ground.

[0134] When the energy storage device 1000 needs to be installed on the ground, Fig.24 As shown, the first locking member is provided through the first hole 511 of the first fixing portion 510 and the fixing hole 1221 of the second fixing column 122b, and is fixed to both the first fixing portion 510 and the second fixing column 122b. The second locking member is provided through the second hole 512 of the first fixing portion 510 and the fixing hole 1221 of the third fixing column 122c, and is fixed to both the first fixing portion 510 and the third fixing column 122c. Under this arrangement, the first fixing portion 510 of the fixing bracket 500 can be fixed to the housing 10.

[0135] Each third locking member is inserted into a third hole 521 and fixed to the ground, so that the second fixing portion 520 of the fixing bracket 500 is fixed to the ground. It can be understood that by using the fixing bracket 500 and fixing the fixing bracket 500 to the ground and the housing 10 of the energy storage device 1000, the energy storage device 1000 can be installed on the ground.

[0136] When the energy storage device 1000 does not need to be installed on the ground or on the wall, the fixing bracket 500 can be removed from the shell 10, and then the sliding cover 20 can be installed on the shell 10 to cover the fixing column 122 set on the shell 10 to avoid the fixing column 122 being exposed to the outside, thereby making the energy storage device 1000 simple in appearance, which is beneficial to improving the appearance of the energy storage device 1000 and ensuring a good user experience.

[0137] The above are only some embodiments and implementation methods of the present application, and the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by any person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A protective housing for an energy storage device, characterized in that: The protective shell includes a shell and a sliding cover, the shell is provided with a mounting groove, the opening of the mounting groove is located on the peripheral side of the shell, the bottom wall of the mounting groove is provided with a fixing column, the fixing column is used to install a fixing bracket, and when the sliding cover is detachably installed on the shell, the sliding cover covers the opening of the mounting groove and blocks the fixing column.

2. The protective housing according to claim 1, characterized in that: A first clamping portion is disposed on the side wall of the installation slot, and the first clamping portion is spaced apart from the fixing column; The sliding cover is provided with a second clamping portion. When the sliding cover is detachably mounted on the housing, the second clamping portion is arranged on a surface of the sliding cover facing the mounting groove and is clamped with the first clamping portion.

3. The protective housing according to claim 2, characterized in that: The first clamping portion is a clamping hole, which penetrates the groove side wall of the installation groove along the thickness direction of the groove side wall of the installation groove, and when the sliding cover is detachably mounted on the housing, the second clamping portion is clamped in the clamping hole; Alternatively, the second clamping portion is a clamping hole, which penetrates the sliding cover along the thickness direction of the sliding cover, and when the sliding cover is detachably mounted on the housing, the first clamping portion is inserted into the clamping hole.

4. The protective housing according to claim 2 or 3, characterized in that: The sliding cover includes a sliding cover body, a connecting skirt and a reinforcing rib, wherein the connecting skirt is fixedly connected to the peripheral side of the sliding cover body, the connecting skirt is provided with the second clamping portion toward the mounting groove, and the reinforcing rib is fixedly connected to the sliding cover body and is located on the inner side of the connecting skirt.

5. The protective housing according to claim 1, characterized in that: The protective housing further comprises a cover body, a switch trigger arm and a switch button, wherein the cover body is detachably mounted on the top side of the housing, and the cover body is provided with a matching hole, and the matching hole penetrates the cover body along the thickness direction of the cover body; The switch trigger arm is located in the matching hole, and the switch trigger arm includes a fixed end and a movable end disposed opposite to the fixed end, the fixed end is fixedly connected to the hole wall of the matching hole, and the movable end can move relative to the cover body along the thickness direction of the cover body; The switch button is located on a side of the cover body facing the shell, and along the height direction of the protective shell, the switch button is arranged corresponding to the movable end.

6. The protective housing according to claim 1, characterized in that: The shell body includes a bottom shell and a side shell. The side shell is arranged around the edge of the bottom shell and is fixedly connected to the bottom shell. The bottom shell is provided with a plurality of recesses. The openings of the plurality of recesses are all located on the surface of the bottom shell away from the side shell. Along the length direction of the protective shell, the plurality of recesses are arranged at intervals.

7. An energy storage device, characterized in that: It comprises a fixing bracket and a protective shell as claimed in any one of claims 1 to 6, when the fixing bracket is detachably mounted on the fixing column, the sliding cover is relatively free with respect to the shell.

8. The energy storage device according to claim 7, characterized in that: The fixing bracket includes a first fixing part and a second fixing part, the first fixing part is detachably connected to the fixing column and extends out of the mounting slot, the second fixing part is fixedly connected to an end of the first fixing part away from the fixing column, and the second fixing part is used to be fixed to a wall or the ground.

9. The energy storage device according to claim 7, characterized in that: The energy storage device further comprises a battery module, and the battery module is installed in the housing; The side shell of the housing is provided with a limiting body, which is located on the surface of the side shell facing the battery module, protrudes from the surface of the side shell facing the battery module toward the battery module, and abuts against the battery module.

10. The energy storage device according to claim 9, characterized in that: The limiting body includes two first limiting parts, a second limiting part and a third limiting part. The two first limiting parts, the second limiting part and the third limiting part are arranged at intervals from each other. Along the length direction of the energy storage device, the two first limiting parts are arranged at intervals and opposite to each other, and respectively abut against the opposite sides of the battery module. Along the width direction of the energy storage device, the second limiting part and the third limiting part are arranged opposite to each other, and respectively abut against the opposite sides of the battery module.

11. The energy storage device according to claim 10, characterized in that: Each of the first limiting portions is provided with a first mounting hole, and the opening of the first mounting hole is located on the surface of the first limiting portion away from the bottom shell; The battery module comprises a battery pack and a pressing member, wherein the pressing member is mounted on a side of the battery pack away from the bottom shell of the housing and is located on a side of the first limiting portion away from the bottom shell, wherein the pressing member comprises two pressure strips, wherein the two pressure strips are arranged at intervals along the width direction of the battery module, and each of the pressure strips is provided with two second mounting holes, wherein the two second mounting holes penetrate the pressure strip along the thickness direction of the pressure strip and are arranged at intervals from each other, and each of the second mounting holes is connected to one of the first mounting holes; The energy storage device further includes a plurality of fixing members, each of which is passed through one of the second mounting holes and one of the first mounting holes, and is fixed to one of the pressure strips and one of the first limiting portions.

12. The energy storage device according to claim 10, characterized in that: The third limiting portion includes a guide surface, which is located on a side of the third limiting portion away from the bottom shell. The guide surface includes a first side close to the battery module and a second side arranged opposite to the first side. In a direction from the second side to the first side, the distance between the guide surface and the bottom shell gradually decreases.

13. The energy storage device according to claim 11, characterized in that: The side shell is further provided with a limiting rib, which is located on the surface of the side shell facing the battery module, protrudes from the surface of the side shell facing the battery module toward the battery module, and is spaced apart from the second limiting portion; The battery pack further comprises a battery and a lead-out plate, wherein the lead-out plate is electrically connected to the battery, and an end of the lead-out plate away from the battery abuts against a surface of the limiting rib facing the battery module.

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