Battery device and electric equipment

Abstract

The battery device is used for the electric equipment, a tray encloses a containing space, a battery pack is arranged in the containing space, the battery pack and the inner wall of the tray are arranged in a spaced mode to form a spaced space, the battery pack comprises a pole and an anti-explosion valve which are arranged in a spaced mode, and a partition plate is an insulating component and connected between the battery pack and the inner wall of the tray. And the explosion-proof valve is arranged in the first space, the pole is arranged in the second space, and the weight of the battery pack is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery device and electrical equipment. Background Art

[0002] After the battery cell thermal runaway, the explosion-proof valve of the battery cell will open and discharge high-temperature gas containing electrolyte. This high-temperature gas will flow to the connecting piece of the battery cell, causing insulation failure and fire. To avoid this phenomenon, in the prior art, it is necessary to inject sealant between the frame of the tray and the battery pack. The sealant is used to isolate the high-temperature gas containing electrolyte from the high-voltage components, thereby preventing insulation failure. Since a large amount of sealant is injected into the battery pack, the weight and cost of the battery pack are increased. Utility Model Content

[0003] The utility model aims to provide a battery device and an electrical equipment to solve the problem of heavy battery pack.

[0004] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0005] In a first aspect, the utility model provides a battery device, comprising: a tray, the tray enclosing a storage space; a battery pack, arranged in the storage space, the battery pack and the inner wall of the tray are spaced apart to form a spacing space, the battery pack comprises spaced-apart poles and an explosion-proof valve; a partition, the partition is an insulating component, the partition is connected between the battery pack and the inner wall of the tray to separate the spacing space into a first space and a second space, the explosion-proof valve is arranged in the first space, and the pole is arranged in the second space.

[0006] In one embodiment, the tray includes a frame, the frame is provided with interconnected exhaust holes and exhaust channels, the exhaust holes are connected to the first space; or the frame is provided with an exhaust device, the exhaust device is connected to the first space.

[0007] In one embodiment, the battery device also includes an insulating bracket and a plurality of connecting plates, the insulating bracket is connected to the side of the battery pack facing the partition, the battery pack includes a plurality of batteries arranged in sequence, the poles of two adjacent batteries pass through the insulating bracket and are electrically connected through the connecting plates, and the partition is connected between the insulating bracket and the inner wall of the tray.

[0008] In one embodiment, a plurality of baffles are disposed on the insulating support to separate a plurality of the connecting pieces, and one connecting piece is disposed between every two of the baffles.

[0009] In one embodiment, the insulating bracket includes a first body and a second body connected to each other. The first body and the second body are arranged in sequence along the height direction of the battery pack. The partition plate includes a first surface and a second surface facing away from each other in the thickness direction. The first body, the first surface, and the inner wall of the tray enclose to form the first space, and the second body, the second surface, and the inner wall of the tray enclose to form the second space.

[0010] In one embodiment, the insulating bracket further includes a positioning portion. The positioning portion is provided at one end of the second body close to the first body. One end of the partition plate close to the positioning portion is provided with a first engaging portion, and the positioning portion is engaged and connected with the first engaging portion.

[0011] In one embodiment, the first body protrudes towards the inner wall of the tray to form a connecting platform, and the partition plate is connected to the connecting platform.

[0012] In one embodiment, the first engaging portion is configured as a positioning groove that penetrates through the first surface and the second surface, and the positioning portion is configured as a positioning protrusion that is snap-fitted with the positioning groove.

[0013] In one embodiment, one end of the partition plate close to the inner wall of the tray is provided with a connecting portion, and the inner wall of the tray is provided with a second engaging portion, and the connecting portion is engaged and connected with the second engaging portion.

[0014] In one embodiment, the connecting portion is configured as a connecting protrusion, and the second engaging portion is configured as a connecting groove, and the connecting protrusion and the connecting groove are snap-fitted.

[0015] In one embodiment, the battery device further includes an adhesive. The partition plate, the insulating bracket, and the inner wall of the tray are hermetically bonded by the adhesive; and / or, the partition plate, the side wall of the battery pack, and the inner wall of the tray are hermetically bonded by the adhesive.

[0016] In a second aspect, the present invention further provides an electrical equipment, including an electrical device and the battery device according to any one of the various embodiments in the first aspect. The battery device is connected to the electrical device and supplies power to the electrical device.

[0017] By providing a tray, a battery pack, and a partition, the tray encloses an accommodation space. The battery pack is disposed in the accommodation space, and is spaced apart from the inner wall of the tray to form a spaced-apart space. The battery pack includes spaced-apart pole columns and explosion-proof valves. The partition is an insulating member and is connected between the battery pack and the inner wall of the tray to divide the spaced-apart space into a first space and a second space. The explosion-proof valves are disposed in the first space, and the pole columns are disposed in the second space. Since there is no need to pour sealant between the frame of the tray and the battery pack, the weight of the battery pack is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 is a first schematic structural diagram of a battery device according to an embodiment;

[0020] Figure 2 is a schematic structural diagram of a partition according to an embodiment;

[0021] Figure 3 is a second schematic structural diagram of a battery device according to an embodiment;

[0022] Figure 4 is a schematic structural diagram of a tray according to an embodiment.

[0023] DESCRIPTION OF THE REFERENCE NUMERALS:

[0024] 10 - partition, 101 - first surface, 102 - second surface, 103 - positioning groove, 104 - plate body, 105 - connecting portion, 106 - mounting portion, 11 - insulating bracket, 111 - second main body, 1111 - second partitioning portion, 1112 - positioning portion, 112 - first main body, 1121 - first partitioning portion, 1122 - connecting platform, 113 - baffle, 12 - frame, 121 - exhaust hole, 122 - exhaust passage, 123 - connecting groove, 13 - battery pack, 14 - first space, 15 - second space, 20 - tray, 21 - accommodation space. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there can also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time.

[0027] Unless otherwise defined, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the present invention in the specification are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The term "and / or" used in the present invention includes any and all combinations of one or more of the related listed items.

[0028] Next, some embodiments of the present invention will be described in detail in conjunction with the accompanying drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0029] After the thermal runaway of the battery cell, the explosion-proof valve of the battery cell will be opened, discharging high-temperature gas with electrolyte. This high-temperature gas will flow to the connection piece of the battery cell, resulting in insulation failure and fire. To avoid this phenomenon, in the prior art, it is necessary to pour sealant between the frame 12 of the tray 20 and the battery pack 13, and use the sealant to isolate the high-temperature gas containing electrolyte from the high-voltage components, thereby preventing insulation failure. Since a large amount of glue is poured into the battery pack, the weight of the battery pack is increased.

[0030] In view of the above problems, an embodiment of the present invention provides a battery device. Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , which includes a tray 20, a battery pack 13, and a partition 10.

[0031] The tray 20 encloses an accommodation space 21.

[0032] The battery pack 13 is disposed in the accommodation space 21. The battery pack 13 is spaced from the inner wall of the tray 20 to form a spaced space. The battery pack 13 includes spaced pole posts and explosion-proof valves.

[0033] The partition plate 10 is an insulating component, and the partition plate 10 is connected between the battery pack 13 and the inner wall of the tray 20 to divide the spaced space into a first space 14 and a second space 15. The explosion-proof valve is arranged in the first space 14, and the terminal post is arranged in the second space 15.

[0034] By providing the tray 20, the battery pack 13 and the partition plate 10, the tray 20 encloses a receiving space 21, the battery pack 13 is arranged in the receiving space 21, the battery pack 13 is spaced from the inner wall of the tray 20 to form a spaced space, the battery pack 13 includes a terminal post and an explosion-proof valve arranged at intervals, the partition plate 10 is an insulating component, and the partition plate 10 is connected between the battery pack 13 and the inner wall of the tray 20 to divide the spaced space into a first space 14 and a second space 15. The explosion-proof valve is arranged in the first space 14, and the terminal post is arranged in the second space 15. Since there is no need to pour sealant between the frame 12 of the tray 20 and the battery pack 13, the weight of the battery pack is reduced.

[0035] In one embodiment, please refer to Figure 1 、 Figure 2 and Figure 3 , the tray 20 includes a frame 12, and the frame 12 is provided with a communicating exhaust hole 121 and an exhaust passage 122. The exhaust hole 121 is communicated with the first space 14; or an exhaust device is provided on the frame 12, and the exhaust device is communicated with the first space 14.

[0036] Optionally, the exhaust hole 121 can be a polygonal hole, a circular hole, an oval hole, an irregular-shaped hole, etc. Optionally, the exhaust hole 121 can specifically but not limitedly be a quadrilateral hole, a hexagonal hole, a circular hole, an octagonal hole, an oval hole, and an irregular-shaped hole, etc.

[0037] Specifically, by making the tray 20 include a frame 12, the frame 12 is provided with a communicating exhaust hole 121 and an exhaust passage 122, the exhaust hole 121 is communicated with the first space 14; or an exhaust device is provided on the frame 12, and the exhaust device is communicated with the first space 14, so that the high-temperature gas can flow through the exhaust hole 121 to the exhaust passage 122, or the high-temperature gas is discharged from the exhaust device, improving the efficiency of discharging the high-temperature gas of the electrolyte.

[0038] In one embodiment, please refer to Figure 1 、 Figure 2 and Figure 3 , the battery device further includes an insulating bracket 11 and a plurality of connecting pieces. The insulating bracket 11 is connected to the side of the battery pack 13 facing the partition plate 10. The battery pack 13 includes a plurality of batteries arranged in sequence. The terminal posts of two adjacent batteries both pass through the insulating bracket 11 and are electrically connected by the connecting pieces. The partition plate 10 is connected between the insulating bracket 11 and the inner wall of the tray 20.

[0039] Optionally, the insulating bracket 11 and the partition 10 are made of materials resistant to high temperature and electrolyte, such as mica board, and the insulating bracket 11 and the partition 10 are coated or sprayed with an insulating layer, high temperature and electrolyte resistant engineering plastics and other materials.

[0040] The insulating support 11 may be made of plastic. The insulating support 11 may electrically isolate the connecting piece to prevent short circuits between the cells, and may also provide support and positioning for the partition 10 .

[0041] Specifically, the battery device also includes an insulating bracket 11 and a plurality of connecting plates, the insulating bracket 11 is connected to the side of the battery pack 13 facing the partition 10, the battery pack 13 includes a plurality of batteries arranged in sequence, the poles of two adjacent batteries pass through the insulating bracket 11 and are electrically connected through the connecting plates, and the partition 10 is connected between the insulating bracket 11 and the inner wall of the tray 20, thereby improving the insulation protection capability of the connecting plates and the battery poles.

[0042] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 A plurality of baffles 113 are provided on the insulating support 11 to separate the plurality of connecting pieces, and a connecting piece is provided between every two baffles 113 .

[0043] Optionally, the baffle 113 is made of a material that is resistant to high temperatures and electrolytes, such as a mica board, and the baffle 113 is coated or sprayed with an insulating layer, high temperature and electrolyte resistant engineering plastics, and other materials.

[0044] Optionally, the shape of the baffle 113 may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the baffle 113 may be, but is not limited to, quadrilateral, hexagon, circular, octagonal, elliptical, etc.

[0045] Specifically, a plurality of baffles 113 are provided on the insulating support 11 to separate the plurality of connecting pieces, and a connecting piece is provided between every two baffles 113 , so that the plurality of baffles 113 can insulate and protect the connecting pieces, thereby improving the insulating protection capability of the insulating support 11 .

[0046] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The insulating bracket 11 includes a first main body 112 and a second main body 111 connected to each other. The first main body 112 and the second main body 111 are arranged in sequence along the height direction of the battery pack 13. The partition 10 includes a first surface 101 and a second surface 102 opposite to each other in the thickness direction. The first main body 112, the first surface 101 and the inner wall of the tray 20 enclose a first space 14. The second main body 111, the second surface 102 and the inner wall of the tray 20 enclose a second space 15.

[0047] Optionally, the first body 112 and the second body 111 may be an integral structure. Optionally, the first body 112 and the second body 111 may be separately manufactured and then connected together. Optionally, an explosion-proof valve hole is provided on the second body 111, and the explosion-proof valve hole is opposite to the explosion-proof valve. Optionally, the shape of the explosion-proof valve hole may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the explosion-proof valve hole may specifically be, but is not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, etc.

[0048] Optionally, the shape of the first surface 101 may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the first surface 101 may specifically be, but is not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, etc. Optionally, the shape of the second surface 102 may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the second surface 102 may specifically be, but is not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, etc. Optionally, the cross-sectional shape of the positioning groove 103 may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the cross-sectional shape of the positioning groove 103 may specifically be, but is not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, etc.

[0049] Optionally, the first surface 101 is polished, and the polishing method may be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, etc. Polishing the first surface 101 improves the smoothness of the first surface 101 and avoids scratching other parts. Optionally, the second surface 102 is polished, and the polishing method may be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, etc. Polishing the second surface 102 improves the smoothness of the second surface 102 and avoids scratching other parts.

[0050] Specifically, by making the insulating bracket 11 include a connected first body 112 and a second body 111, the first body 112 and the second body 111 are arranged in sequence along the height direction of the battery pack 13, the partition 10 includes a first surface 101 and a second surface 102 opposite to each other in the thickness direction, the first body 112, the first surface 101 and the inner wall of the tray 20 enclose a first space 14, and the second body 111, the second surface 102 and the inner wall of the tray 20 enclose a second space 15, so that the first space 14 and the second space 15 can be separated into two mutually isolated spaces at the partition 10, thereby improving the insulation protection ability.

[0051] In one embodiment, please refer to Figure 1 、 Figure 2 and Figure 3, the insulating bracket 11 further includes a positioning portion 1112. The positioning portion 1112 is provided at one end of the second main body 111 close to the first main body 112. One end of the partition 10 close to the positioning portion 1112 is provided with a first mating portion, and the positioning portion 1112 is matingly connected with the first mating portion.

[0052] Optionally, please refer to Figure 1 、 Figure 2 and Figure 3 , the number of the positioning portions 1112 is multiple, and the multiple positioning portions 1112 are arranged at intervals. Optionally, the multiple positioning portions 1112 are arranged at equal intervals. Optionally, the number of the first mating portions is multiple, and the multiple first mating portions are arranged at intervals.

[0053] Optionally, each positioning portion 1112 is matingly connected with a first mating portion in a one-to-one correspondence. Optionally, the multiple positioning portions 1112 are arranged at intervals in the width direction of the tray 20.

[0054] Specifically, the above arrangement of the multiple positioning portions 1112 improves the stability of the connection and fixation between the partition 10 and the bracket.

[0055] Optionally, please refer to Figure 1 、 Figure 2 and Figure 3 , the height by which the first main body 112 protrudes from the battery pack 13 is greater than the height by which the second main body 111 protrudes from the battery pack 13, and the partition 10 is placed on the first main body 112.

[0056] Optionally, the height by which the first main body 112 protrudes from the battery pack 13 is greater than the height by which the second main body 111 protrudes from the battery pack 13, thereby forming a stepped surface, and the partition 10 is placed on the stepped surface.

[0057] Specifically, the above arrangement improves the stability of the connection between the partition 10 and the insulating bracket 11.

[0058] Optionally, please refer to Figure 1 、 Figure 2 and Figure 3 , the number of the connecting pieces is multiple. The first main body 112 further includes multiple first separating portions 1121, and the multiple first separating portions 1121 are arranged at intervals. One first separating portion 1121 is arranged between two adjacent connecting pieces.

[0059] Optionally, the first main body 112 further includes a first body, the first body is connected to all the first separating portions 1121, and the first separating portions 1121 protrude from the surface of the first body in the second direction. Optionally, the multiple first separating portions 1121 are arranged at equal intervals. Optionally, the multiple first separating portions 1121 are arranged at intervals in the width direction of the tray 20.

[0060] Optionally, pole holes are formed in the connecting piece, and the pole holes correspond to the poles. Optionally, the pole holes can be polygonal holes, circular holes, oval holes, irregular shaped holes, etc. Optionally, the pole holes can specifically but not limitedly be quadrilateral holes, hexagonal holes, circular holes, octagonal holes, oval holes, etc. Optionally, the number of pole holes is multiple, and the multiple pole holes are arranged at intervals.

[0061] Specifically, the above settings improve the structure of the insulating bracket 11.

[0062] Optionally, please refer to Figure 1 , Figure 2 and Figure 3 , the number of explosion-proof valves is multiple, the second main body 111 further includes a plurality of second partition parts 1111, the plurality of second partition parts 1111 are arranged at intervals, and one second partition part 1111 is arranged between two adjacent explosion-proof valves.

[0063] Optionally, the second partition part 1111 further includes a second body, the second body is connected to all the second partition parts 1111, and the second partition parts 1111 protrude from the surface of the second body in the second direction. Optionally, the plurality of second partition parts 1111 are arranged at equal intervals. Optionally, the plurality of second partition parts 1111 are arranged at intervals in the width direction of the tray 20.

[0064] Specifically, by providing that the insulating bracket 11 further includes a positioning part 1112, the positioning part 1112 is arranged at one end of the second main body 111 close to the first main body 112, a first matching part is provided at one end of the partition plate 10 close to the positioning part 1112, and the positioning part 1112 is in mating connection with the first matching part, which improves the connection stability between the partition plate 10 and the insulating bracket 11.

[0065] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , a connecting platform 1122 protrudes from the inner wall of the first main body 112 facing the tray 20, and the partition plate 10 is connected to the connecting platform 1122.

[0066] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the first matching part is configured as a positioning groove 103, the positioning groove 103 penetrates through the first surface 101 and the second surface 102, and the positioning part 1112 is configured as a positioning protrusion, and the positioning protrusion is snap-fitted with the positioning groove 103.

[0067] Optionally, the number of the positioning grooves 103 is multiple, and the multiple positioning grooves 103 are arranged at intervals. Optionally, the multiple positioning grooves 103 are arranged at equal intervals. Optionally, the multiple positioning grooves 103 are arranged at intervals in the width direction of the tray 20. Optionally, a partial surface of the second surface 102 close to the insulating bracket 11 is adapted to contact the insulating bracket 11, and the contact mode can be snap connection or abutting connection.

[0068] Optionally, the first mating part is the positioning groove 103, and the positioning part 1112 cooperates with the positioning groove 103 of the partition plate 10. Optionally, the positioning part 1112 protrudes from the surface of the second body in the second direction, and the positioning part 1112 extends into the positioning groove 103.

[0069] Specifically, by setting the first mating part to be constructed as the positioning groove 103, the positioning groove 103 penetrates through the first surface 101 and the second surface 102, and the positioning part 1112 is constructed as a positioning protrusion, and the positioning protrusion is snap-connected with the positioning groove 103, the connection stability between the first mating part and the positioning part 1112 is improved.

[0070] In one embodiment, please refer to Figure 1 、 Figure 2 and Figure 3 , one end of the partition plate 10 close to the inner wall of the tray 20 is provided with a connecting part 105, the inner wall of the tray 20 is provided with a second mating part, and the connecting part 105 is cooperatively connected with the second mating part.

[0071] Optionally, please refer to Figure 1 、 Figure 2 and Figure 3 , the partition plate 10 includes a plate body 104 and a connecting part 105, the plate body 104 is provided with a positioning groove 103, the connecting part 105 is connected to a side of the plate body 104 facing away from the positioning groove 103, and the connecting part 105 is adapted to be connected to the frame 12 of the tray 20.

[0072] Optionally, the plate body 104 and the connecting part 105 can be an integral structure. Optionally, the plate body 104 and the connecting part 105 can be separately manufactured and then connected together. Optionally, the number of the connecting parts 105 is multiple, and the multiple connecting parts 105 are arranged at intervals. Optionally, the multiple connecting parts 105 are arranged at equal intervals. Optionally, the multiple connecting parts 105 are arranged at intervals in the length direction of the plate body 104.

[0073] Optionally, the plate body 104 further includes a connecting surface that connects the first surface 101 and the second surface 102. The connecting portion 105 is provided on the connecting surface. The connecting portion 105 is a mating protrusion that protrudes from the connecting surface by a preset distance. Optionally, the connecting surface is polished, and the polishing method can be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, etc. Polishing the connecting surface improves the smoothness of the connecting surface and avoids scratching other parts. Optionally, the number of the connecting portions 105 is multiple, and the multiple connecting portions 105 are arranged at intervals. Optionally, the multiple connecting portions 105 are arranged at equal intervals.

[0074] Optionally, please refer to Figure 1 、 Figure 2 and Figure 3 , the partition 10 further includes a mounting portion 106, and the mounting portion 106 is provided on the first surface 101.

[0075] Optionally, the plate body 104 and the mounting portion 106 can be an integral structure. Optionally, the plate body 104 and the mounting portion 106 can be manufactured separately and then connected together. Optionally, the number of the mounting portions 106 is multiple, and the multiple mounting portions 106 are arranged at intervals. Optionally, the multiple mounting portions 106 are arranged at equal intervals. Optionally, the multiple mounting portions 106 are arranged at intervals in the length direction of the plate body 104.

[0076] Optionally, the mounting portion 106 is a mounting cylinder. The mounting cylinder is provided on the first surface 101 and protrudes from the first surface 101 by an appropriate distance. When assembling the partition 10, first assemble the battery pack 13 into the battery tray 20, and then assemble the partition 10 to the preset position by hoisting the mounting portion 106 on the partition 10. Optionally, the mounting cylinder can be a polygonal cylinder, a circular cylinder, an elliptical cylinder, an irregularly shaped cylinder, etc. Optionally, the mounting cylinder can specifically be, but is not limited to, a quadrilateral cylinder, a hexagonal cylinder, a circular cylinder, an octagonal cylinder, an elliptical cylinder, etc.

[0077] Specifically, the design of the above-mentioned mounting portion 106 improves the assembly convenience of the partition 10.

[0078] Specifically, by providing a connecting portion 105 at one end of the partition 10 close to the inner wall of the tray 20, and a second mating portion is provided on the inner wall of the tray 20, the connecting portion 105 is in mating connection with the second mating portion, which increases the connection stability between the connecting portion 105 and the tray 20.

[0079] In one embodiment, please refer to Figure 1 、 Figure 2 and Figure 3 , the connecting portion 105 is configured as a connecting protrusion, the second mating portion is configured as a connecting groove 123, and the connecting protrusion and the connecting groove 123 are snap-connected.

[0080] Optionally, the connecting groove 123 may be a polygonal groove, a circular groove, an oval groove, an irregularly shaped groove, etc. Optionally, the pole connecting groove 123 may specifically but not limitedly be a quadrilateral groove, a hexagonal groove, a circular groove, an octagonal groove, an oval groove, etc.

[0081] By configuring the connecting portion 105 as a connecting protrusion and the second mating portion as a connecting groove 123, and engaging the connecting protrusion and the connecting groove 123, the stability of the connection between the connecting protrusion and the connecting groove 123 is improved.

[0082] In one embodiment, please refer to Figure 1 、 Figure 2 and Figure 3 , the battery device further includes an adhesive, and the inner walls of the separator 10, the insulating bracket 11, and the tray 20 are hermetically bonded by the adhesive; and / or, the inner walls of the separator 10, the side walls of the battery pack 13, and the tray 20 are hermetically bonded by the adhesive.

[0083] Optionally, the adhesive member is an insulating sealant, so as to prevent the gas ejected during the thermal runaway of the battery pack 13 from flowing into the space below the separator 10 through the gap.

[0084] By making the battery device further include an adhesive, and the inner walls of the separator 10, the insulating bracket 11, and the tray 20 are hermetically bonded by the adhesive; and / or, the inner walls of the separator 10, the side walls of the battery pack 13, and the tray 20 are hermetically bonded by the adhesive, it is beneficial to the sealing effect of the battery device.

[0085] An embodiment of the present invention further provides an electrical equipment, including an electrical device and the battery device as described above. The battery device is connected to the electrical device and supplies power to the electrical device.

[0086] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0087] The above-disclosed is only a preferred embodiment of the present invention, and of course, it cannot be used to limit the scope of rights of the present invention. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. A battery device, characterized in that, Comprising: A tray, the tray enclosing an accommodation space; A battery pack, disposed in the accommodation space, the battery pack being spaced from the inner wall of the tray to form a spaced space, the battery pack including spaced pole columns and explosion-proof valves; A partition, the partition being an insulating member, the partition being connected between the battery pack and the inner wall of the tray to divide the spaced space into a first space and a second space, the explosion-proof valve being disposed in the first space, and the pole column being disposed in the second space.

2. The battery device according to claim 1, wherein The tray includes a frame, and an exhaust hole and an exhaust passage communicating with each other are formed in the frame, the exhaust hole communicating with the first space; or an exhaust device is provided on the frame, the exhaust device communicating with the first space.

3. The battery device according to claim 1, wherein The battery device further includes an insulating bracket and a plurality of connecting pieces, the insulating bracket being connected to a side of the battery pack facing the partition, the battery pack including a plurality of batteries arranged in sequence, the pole columns of two adjacent batteries passing through the insulating bracket and being electrically connected through the connecting pieces, and the partition being connected between the insulating bracket and the inner wall of the tray.

4. The battery device according to claim 3, characterized in that, A plurality of baffles are provided on the insulating bracket to separate the plurality of connecting pieces, and one connecting piece is provided between every two baffles.

5. The battery device according to claim 3, characterized in that, The insulating bracket includes a first main body and a second main body connected to each other, the first main body and the second main body being sequentially arranged along the height direction of the battery pack, the partition including a first surface and a second surface facing away from each other in the thickness direction, the first main body, the first surface and the inner wall of the tray enclosing to form the first space, and the second main body, the second surface and the inner wall of the tray enclosing to form the second space.

6. The battery device according to claim 5, characterized in that, The insulating bracket further includes a positioning portion, the positioning portion being disposed at one end of the second main body close to the first main body, and a first matching portion being provided at one end of the partition close to the positioning portion, the positioning portion and the first matching portion being cooperatively connected.

7. The battery device according to claim 6, characterized in that, The first main body protrudes towards the inner wall of the tray to form a connecting platform, and the partition is connected to the connecting platform.

8. The battery device according to claim 6, wherein, The first matching portion is configured as a positioning groove, the positioning groove penetrating through the first surface and the second surface, and the positioning portion is configured as a positioning protrusion, the positioning protrusion being snap-connected with the positioning groove.

9. The battery device according to any one of claims 1 to 8, characterized in that, One end of the partition close to the inner wall of the tray is provided with a connecting portion, and a second matching portion is provided on the inner wall of the tray, the connecting portion and the second matching portion being cooperatively connected.

10. The battery device according to claim 9, characterized in that, The connecting portion is configured as a connecting protrusion, the second matching portion is configured as a connecting groove, and the connecting protrusion and the connecting groove are snap-connected.

11. The battery device according to any one of claims 3 to 8, characterized in that, The battery device further includes an adhesive, the partition, the insulating bracket and the inner wall of the tray being hermetically bonded through the adhesive; and / or, the partition, the side wall of the battery pack and the inner wall of the tray are hermetically bonded through the adhesive.

12. An electrical device, characterized in that, Including an electric device and the battery device according to any one of claims 1 to 11, the battery device being connected to the electric device, the battery device supplying power to the electric device.

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