CN213845436U

CN213845436U - Battery storage box and battery system with same

Info

Publication number: CN213845436U
Application number: CN202023230054.7U
Authority: CN
Inventors: 张佳杰; 袁宏亮; 林栋�; 王珺
Original assignee: Wotai Energy Co ltd
Current assignee: Wotai Energy Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-30
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a battery storage box and have its battery system, this battery storage box includes: the storage device comprises a shell, a first sealing plate, a second sealing plate and a third sealing plate, wherein the shell comprises a storage space, the storage space is provided with an upward opening, and an upper shell plate in the shell is used for sealing the opening; a plurality of battery boxes are arranged in the storage space and used for storing batteries, insulating layers are arranged between the battery boxes and the side surfaces and the bottom surfaces of the storage space, and insulating layers are arranged between the battery boxes and the upper shell plate; and a fixing device is arranged between the adjacent battery boxes, and the adjacent battery boxes are fixedly connected with the fixing device. The battery storage case is capable of storing a battery.

Description

Battery storage box and battery system with same

Technical Field

The utility model relates to a battery technology field especially relates to a battery storage box and have its battery system.

Background

In recent years, with the continuous deepening of the electric power system reform and the rise of the energy internet in China, the state starts to vigorously develop new energy photovoltaic; various energy storage products come into existence, an energy storage power station is used for centralized scheduling of a power system, a large and medium-sized energy storage system is used for peak shaving and frequency modulation of a smart power grid, and a small-sized energy storage system is used for daily use of industry, commerce and families;

as a core component in a small energy storage system, the capacity and performance of the battery pack directly affect the operating time and service life of the system. The design of the battery pack needs to consider the suitability of volume and size.

In order to better store the batteries, a battery storage box needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery storage box and have its battery system.

In order to realize one of the above objects of the present invention, an embodiment of the present invention provides a battery storage box, including: the storage device comprises a shell, a storage space is contained in the shell, the storage space is provided with an upward opening, and an upper shell plate in the shell is used for sealing the opening; a plurality of battery boxes are arranged in the storage space and used for storing batteries, insulating layers are arranged between the battery boxes and the side surfaces and the bottom surfaces of the storage space, and insulating layers are arranged between the battery boxes and the upper shell plate; and a fixing device is arranged between the adjacent battery boxes, and the adjacent battery boxes are fixedly connected with the fixing device.

As an embodiment of the present invention, the upper end of the side walls of the storage space is provided with a first flange extending inwards, the first flange is provided with a first through hole, the upper shell plate is provided with a second through hole corresponding to the first through hole, and the bolt or the rivet is used to pass through the first and the second through holes to fasten the first flange and the upper shell plate.

As a further improvement of an embodiment of the present invention, the outer surfaces of the two opposite side walls in the storage space are embedded with groove-shaped handles.

As a further improvement of an embodiment of the present invention, an inner surface of a side wall of the storage space is provided with a BMS device and a bracket for fixing the BMS device.

As a further improvement of an embodiment of the present invention, the inner surface of the side wall is provided with a concave portion for accommodating the BMS device and the bracket.

As an improvement of an embodiment of the present invention, a battery accommodating space with an upward opening is provided in the battery case, and a third flange extending inward is provided on an upper end of a side wall of the battery accommodating space.

As an improvement of an embodiment of the present invention, an upper surface of the third flange is provided with a projection, an upper surface of the projection is fixed to the upper shell plate, and the insulating layer is provided between the third flange and the upper shell plate.

As a further improvement of an embodiment of the present invention, a plurality of lateral surfaces of the battery case are provided with reinforcing ribs.

As a further improvement of an embodiment of the present invention, the fixing device includes a first outer side and a second outer side, which are oppositely disposed, the first outer side is provided with a fourth flange extending outward, and the second outer side is provided with a fifth flange extending outward; in the adjacent battery boxes, two outer side faces of one battery box are fixedly connected to the first outer side face and the fourth flanging respectively, and two outer side faces of the other battery box are fixedly connected to the second outer side face and the fifth flanging respectively.

An embodiment of the present invention further provides a battery system, including: the above battery storage box is provided with a rechargeable battery in the battery box.

Compared with the prior art, the utility model discloses a technological effect lies in: the embodiment of the utility model provides a battery storage box and have its battery system, this battery storage box includes: the storage device comprises a shell, a first sealing plate, a second sealing plate and a third sealing plate, wherein the shell comprises a storage space, the storage space is provided with an upward opening, and an upper shell plate in the shell is used for sealing the opening; a plurality of battery boxes are arranged in the storage space and used for storing batteries, insulating layers are arranged between the battery boxes and the side surfaces and the bottom surfaces of the storage space, and insulating layers are arranged between the battery boxes and the upper shell plate; and a fixing device is arranged between the adjacent battery boxes, and the adjacent battery boxes are fixedly connected with the fixing device. The battery storage case is capable of storing a battery.

Drawings

Fig. 1 is an exploded view of a battery storage case in an embodiment of the invention;

fig. 2A and 2B are perspective views of a battery case according to an embodiment of the present invention;

fig. 3 is an exploded view of a housing in an embodiment of the invention;

fig. 4 is a perspective view of the fixing device in the embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

Terms such as "upper," "above," "lower," "below," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Also, it should be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another. For example, a first via may be referred to as a second via, and similarly a second via may also be referred to as a first via, without departing from the scope of the present application.

An embodiment of the present invention provides a battery storage box, as shown in fig. 1, including:

a housing 1, wherein the housing 1 contains a storage space 11, the storage space 11 is provided with an upward opening, and an upper shell plate 12 in the housing 1 is used for sealing the opening; here, as shown in fig. 1, the case 1 is a square case composed of six case plates (i.e., a left case plate, a right case plate, a front case plate, a rear case plate, an upper case plate, and a lower case plate), and the upper case plate 12 and the front case 1D are separable. Optionally, the left shell plate, the right shell plate, the rear shell plate and the lower shell plate are welded to each other.

A plurality of battery boxes 13 are arranged in the storage space 11, the battery boxes 13 are used for storing batteries, insulating layers are arranged between the battery boxes 13 and the side surfaces and the bottom surfaces of the storage space 11, and insulating layers are arranged between the battery boxes 13 and the upper shell plate 12; here, in the storage space 11, a plurality of battery cases 13 can be placed, each battery case 13 is used for storing a battery, it is understood that, in one housing 1, the capacity of the storage space 11 is determined, and the outer size of each battery case 13 is also determined, that is, the number of battery cases 13 that can be placed in one storage space 11 is determined, but in actual use, the volume of the battery is often changed, and therefore, different battery cases 13 can be designed for different volumes of batteries, the outer sizes of the different battery cases 13 are the same, but the inner sizes can be modified for different volumes of batteries. Alternatively, a fixing device is provided in the battery case 13, which can fix both larger batteries and smaller batteries in the battery case 13.

Here, the insulating layer can serve as a buffer layer to protect the battery case 13 and the case 1 while preventing short-circuiting and the like. Here, the insulating layer may be an epoxy insulating sheet and/or a pc (polycarbonate) insulating sheet.

Fixing devices 14 are arranged between adjacent battery boxes 13, and the adjacent battery boxes 13 are fixedly connected with the fixing devices 14. Here, the fixing means 14 can effectively prevent the adjacent battery cases 13 from colliding.

In this embodiment, the upper end portions of the sidewalls of the storage space 11 are provided with first flanges 1A extending inward, the first flanges 1A are provided with first through holes, the upper shell 12 is provided with second through holes 121 corresponding to the first through holes, bolts or rivets are used to pass through the first and second through holes, and the first flanges 1A and the upper shell 12 are fastened.

Here, as shown in fig. 3, in the housing 1, the upper end portions of the left and right shell plates are each provided with a first flange 1A bent inward, the first flange 1A is provided with a plurality of through holes, correspondingly, the upper shell plate 12 is also provided with a plurality of corresponding through holes, then the first flange 1A and the upper shell plate 12 are aligned with each other, and then, the fixing may be performed by using bolts or rivets, etc. It can be understood that the first flange 1A can be connected to the upper shell 12, and can greatly improve the fastening of the left and right shells.

In this embodiment, the outer surfaces of two opposite side walls of the storage space 11 are embedded with groove-shaped handles 1B. Here, as shown in fig. 3, groove-shaped handles 1B are embedded in the outer surfaces of the left and right case plates, thereby facilitating the transportation of the battery storage case by a user.

In this embodiment, a BMS (Battery Management System) and a holder 1C for fixing the BMS are provided on an inner surface of one side wall of the storage space 11

In this embodiment, the inner surface of the side wall is provided with a recess for receiving the BMS device and the bracket 1C.

Here, as shown in fig. 3, a BMS device and a bracket 1C for fixing the BMS device are provided on an inner surface of a front case plate 1D of the storage space 11, where the BMS device may be a circuit board, the bracket 1C may be a vertical plate, second flanges 1E extending inward are provided at front end portions of left and right case plates, left and right end portions of the bracket 1C may be fixed to the corresponding second flanges 1E, and the front case plate 1D is provided with a recess opened rearward, the circuit board is provided at a front end surface of the vertical plate, and the circuit board is then received in the recess. As shown in fig. 3, a plurality of horizontal bars 1C1 are provided on the bracket 1C, the horizontal bars 1C1 can contact the bottom surface of the recess, so that the horizontal bars 1C1 can be fixedly connected to the bottom surface, then the bracket 1C can also be fixedly connected to the flange, and the horizontal bars 1C can also be used for fixing the circuit board. It will be appreciated that a display, buttons, etc. will be provided on the circuit board, and thus, corresponding holes will need to be provided on the front housing plate 1D so that the display, buttons, etc. will protrude through the corresponding holes. A handle 1D1 is also provided on the outer surface of the front housing plate 1D.

In this embodiment, a battery accommodating space 137 with an upward opening is disposed in the battery box 13, and a third flange 135 extending inward is disposed at an upper end of a side wall of the battery accommodating space 137.

In this embodiment, the upper surface of the third flange 135 is provided with a projection 136, the upper surface of the projection 136 is fixed to the upper shell 12, and the insulating layer is provided between the third flange 135 and the upper shell 12.

In this embodiment, several outer side surfaces of the battery box 13 are provided with reinforcing ribs 138.

Here, as shown in fig. 2A and 2B, the battery case 13 is a square case body, i.e., is composed of a front case plate 131, a rear case plate 132, a left case 133, a right case plate 134, and a lower case plate, which are enclosed to form a recess with an upward opening, i.e., a battery accommodating space 137; the front end, the rear end, the upper end and the lower end of the left and right shell plates are all bent outwards to form flanges, the flanges at the front end are fixedly connected with the front shell plate 131, the flanges at the rear end are fixedly connected with the rear shell plate 132, and the flanges at the lower end are fixedly connected with the lower shell plate. A third flange 135 extending inward is provided at the upper end of the front and rear casing plates, as shown in fig. 2A, the third flange 135 can firmly fix the battery in the recess, and a protrusion 136 is further provided on the upper surface of the third flange 135, the upper surface of the protrusion 136 can be fixed to the upper casing plate 12, it can be understood that there is a gap between the upper surface of the battery case 13 and the upper casing plate 12, and the gap can be used for placing an insulating layer. In addition, a plurality of reinforcing ribs 138 are provided on each of the front and

rear case plates

131 and 132, and as shown in fig. 2A and 2B, grooves extending from left to right are provided on the inner surfaces of each of the front and

rear case plates

131 and 132, the grooves forming the reinforcing ribs 138 and extending from the left side to the right side of the front and rear case plates.

In this embodiment, as shown in fig. 4, the fixing device 14 includes a first outer side 141 and a second outer side 142, which are oppositely disposed, a fourth flange 143 extending outward is disposed on the first outer side 141, and a fifth flange 144 extending outward is disposed on the second outer side 142;

in the adjacent battery cases 13, both outer sides of one battery case 13 are fixedly connected to the first outer side 141 and the fourth flange 143, respectively, and both outer sides of the other battery case 13 are fixedly connected to the second outer side 142 and the fifth flange 144, respectively.

Here, as shown in fig. 1, two adjacent battery cases 13 are disposed to face each other, and each of the battery cases 13 has an outer side surface facing the other battery case 13, and fixing means 14 are provided at upper, lower, left, and right end portions of the outer side surface. As shown in fig. 4, the fixing device 14 is a square body, the square body has two first outer side surfaces 141 and two second outer side surfaces 142 which are oppositely arranged, the first outer side surfaces and the second outer side surfaces are respectively abutted against the outer side surfaces of one battery box 13, through holes are respectively arranged in the first outer side surfaces and the second outer side surfaces, correspondingly, screw holes are correspondingly arranged on the outer side surfaces of the battery boxes 13, and it can be understood that two battery boxes 13 and the fixing device 14 can be fixedly connected by using screws based on the through holes and the screw holes.

In addition, a third flange 143 extending outward is further disposed at the upper end of the first outer side 141, a fourth flange 144 extending outward is further disposed at the upper end of the second outer side 142, and a plurality of through holes are disposed at the third and fourth flanges, so that the fourth and fourth flanges 1 can be fixed to the battery case 13 through the through holes.

An embodiment of the present invention provides a battery system, including: the battery storage box of the first embodiment is provided with a rechargeable battery in the battery box 13.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A battery storage case, comprising:

the shell (1), the shell (1) contains a storage space (11), the storage space (11) is provided with an upward opening, and an upper shell plate (12) in the shell (1) is used for sealing the opening;

a plurality of battery boxes (13) are arranged in the storage space (11), the battery boxes (13) are used for storing batteries, insulating layers are arranged between the battery boxes (13) and the side surfaces and the bottom surfaces of the storage space (11), and insulating layers are arranged between the battery boxes (13) and the upper shell plate (12);

fixing devices (14) are arranged between adjacent battery boxes (13), and the adjacent battery boxes (13) are fixedly connected with the fixing devices (14).

2. The battery storage case of claim 1, wherein:

the upper end of a plurality of side walls of the storage space (11) is provided with a first flanging (1A) extending inwards, a first through hole is formed in the first flanging (1A), the upper shell plate (12) is provided with a second through hole (121) corresponding to the first through hole, a bolt or a rivet penetrates through the first through hole and the second through hole, and the first flanging (1A) and the upper shell plate (12) are fastened.

3. The battery storage case of claim 1, wherein:

the outer surfaces of two opposite side walls in the storage space (11) are embedded with groove-shaped handles (1B).

4. The battery storage case of claim 1, wherein:

a BMS device and a bracket (1C) for fixing the BMS device are provided on an inner surface of one side wall of the storage space (11).

5. The battery storage case of claim 4, wherein:

the inner surface of the side wall is provided with a recess for receiving the BMS device and the bracket (1C).

6. The battery storage case of claim 1, wherein:

be provided with battery accommodation space (137) that the opening faces upwards in battery case (13), the upper end of the lateral wall of battery accommodation space (137) is provided with third turn-ups (135) that extend inwards.

7. The battery storage case of claim 6, wherein:

the upper surface of the third flanging (135) is provided with a convex block (136), the upper surface of the convex block (136) is fixed to the upper shell plate (12), and the insulating layer is arranged between the third flanging (135) and the upper shell plate (12).

8. The battery storage case of claim 1, wherein:

and a plurality of outer side surfaces of the battery box (13) are provided with reinforcing convex strips (138).

9. The battery storage case of claim 1, wherein:

the fixing device (14) comprises a first outer side surface (141) and a second outer side surface (142) which are oppositely arranged, a fourth flanging (143) which extends outwards is arranged on the first outer side surface (141), and a fifth flanging (144) which extends outwards is arranged on the second outer side surface (142);

in the adjacent battery boxes (13), two outer side surfaces of one battery box (13) are fixedly connected to the first outer side surface (141) and the fourth flanging (143), respectively, and two outer side surfaces of the other battery box (13) are fixedly connected to the second outer side surface (142) and the fifth flanging (144), respectively.

10. A battery system, comprising: a battery storage case according to any one of claims 1 to 9, wherein a rechargeable battery is provided in the battery case (13).