Battery device and electric equipment

Abstract

The utility model relates to a battery device and electric equipment, a first sealing piece is introduced between a separator and a cover body, so that during assembly, a fastener can penetrate through a first locking position and a second locking position of the first sealing piece and is connected with the cover body and the separator. The first locking position is closer to the first edge than the second locking position, so that the first distance between the first locking position and the second edge can be used for meeting the size of the width required for sealing the space on one side of the separator in the width direction of the separator; the second distance between the second locking position and the first edge can be used for meeting the size of the width needed by sealing of the space located on the other side of the partition piece. The orthographic projection of the first locking position and the orthographic projection of the second locking position in the extending direction of the separator are staggered, so that the maximum width of the first sealing piece can be reduced on the premise of meeting effective sealing, the space occupation of the separator in the width direction is relatively reduced, and the utilization rate of the internal space of the battery device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery, in particular to a battery device and an electric equipment. BACKGROUND

[0002] With the diversification of power batteries, a cross beam is arranged in some battery devices to separate multiple sealed compartments. In order to make the sealing between each sealed compartment independent of each other, a sealing gasket is fixedly connected between the box cover and the cross beam. However, due to the structure design of the traditional sealing gasket, the space occupied by the cross beam in the width direction is relatively large, which reduces the utilization rate of the internal space of the battery device. CONTENT OF THE UTILITY MODEL

[0003] Therefore, it is necessary to provide a battery device and an electric equipment, which can relatively reduce the space occupied in the width direction and improve the utilization rate of the internal space of the battery device under the premise of meeting effective sealing.

[0004] In a first aspect, the present application provides a battery device, which comprises: a battery box comprising a box body and a cover body arranged on the box body; a partition arranged in the box body; a first sealing member arranged between the partition and the cover body, the first sealing member being provided with a first locking position and a second locking position distributed along the extension direction of the partition, and comprising a first edge and a second edge distributed along the width direction of the partition; and fasteners, the first locking position and the second locking position being respectively penetrated by corresponding fasteners to connect the partition and the cover body; wherein the orthographic projection of the first locking position along the extension direction of the partition is dislocated from the orthographic projection of the second locking position along the extension direction of the partition, and the first locking position is closer to the first edge than the second locking position.

[0005] The above-mentioned battery device introduces the first sealing member between the partition and the cover body, so that the fasteners can penetrate the locking positions of the first sealing member and connect the cover body and the partition during assembly. Since the first locking position is closer to the first edge than the second locking position, in the width direction of the partition, the first distance between the first locking position and the second edge can be used to meet the required width of the sealing space on one side of the partition, and the second distance between the second locking position and the first edge can be used to meet the required width of the sealing space on the other side of the partition. Since the orthographic projections of the first locking position and the second locking position along the extension direction of the partition are dislocated, i.e., the centers of the first locking position and the second locking position are not on the same straight line extending along the extension direction of the partition, the maximum width of the first sealing member can be the sum of the first distance of the first locking position and the second distance of the second locking position minus the dislocation distance between the first locking position and the second locking position. Thus, under the premise of meeting effective sealing, the maximum width of the first sealing member can be effectively reduced, thereby relatively reducing the space occupied by the partition in the width direction, which is conducive to improving the utilization rate of the internal space of the battery device.

[0006] In some embodiments, the first locking sites and the second locking sites are both in plurality, and at least one first locking site is distributed between two adjacent second locking sites in the extension direction of the partition. With this design, the introduction of multiple first locking sites and second locking sites can increase the number of locking points between the cover and the partition, thereby improving the bonding strength and sealing performance between the cover and the partition.

[0007] In some embodiments, the first locking sites and the second locking sites are alternately and spacedly distributed in sequence in the extension direction of the partition, and each first locking site is closer to the first edge than the second locking site. With this design, the space distributed on both sides of the partition can be alternately sealed, thereby improving the sealing effect. At the same time, the first locking sites and the second locking sites are alternately and staggered, which can also disperse the stress between the cover and the partition, thereby improving the stability of the structure.

[0008] In some embodiments, the projections of the first locking sites in the extension direction of the partition overlap with each other. With this design, the sealing effect of the space located on one side of the partition and close to the second locking site can be kept relatively consistent, thereby improving the sealing effect.

[0009] In some embodiments, the projections of the second locking sites in the extension direction of the partition overlap with each other. With this design, the sealing effect of the space located on one side of the partition and close to the first locking site can be kept relatively consistent, thereby improving the sealing effect.

[0010] In some embodiments, the distance between the first locking site and the second edge in the width direction of the partition is greater than the distance between the first locking site and the first edge in the width direction of the partition, and the distance between the second locking site and the first edge in the width direction of the partition is greater than the distance between the second locking site and the second edge in the width direction of the partition. With this design, each first locking site and each second locking site can independently satisfy the effective sealing of the space located on different sides of the partition. In this way, under the premise of satisfying the effective sealing, the overall maximum width of the first sealing member can be reduced, thereby reducing the width of the partition, reducing the space occupation, and improving the space utilization rate inside the battery device.

[0011] In some embodiments, the first edge and / or the second edge are configured as a straight line structure extending in the extension direction of the partition. With this design, the first edge and / or the second edge are designed as a straight line structure, which not only facilitates the processing of the first sealing member, but also makes the distance between the first locking site or the second locking site and the side of the first sealing member in the width direction of the partition 7 relatively consistent.

[0012] In some embodiments, the first sealing member comprises a plurality of crest segments and trough segments connected in the extension direction of the partition, the crest segments are configured to be integrally arc-shaped upward in the direction from the second edge to the first edge, the trough segments are configured to be integrally arc-shaped upward in the direction from the first edge to the second edge, the first locking sites are arranged on the crest segments, and the second locking sites are arranged on the trough segments. In this way, the first locking sites and the second locking sites can be better distributed in staggered manner, so that the overall maximum width of the first sealing body is reduced, and the space occupation of the partition in the width direction is reduced.

[0013] In some embodiments, the number of the crest segments and the trough segments is multiple, and each crest segment and each trough segment is connected in sequence and alternately in the extension direction of the partition. In this way, the first sealing member has an overall S-shaped wave shape, which is conducive to the up-and-down staggered distribution of the first locking sites and the second locking sites, and the overall maximum width of the first sealing member is reduced under the premise of meeting the effective sealing.

[0014] In some embodiments, the distance between the first locking site and the second edge is D1, and 8mm≤D1≤15mm. In this way, the distance D1 is controlled to be between 8mm and 15mm, so that the overall maximum width of the first sealing member is controlled under the premise of meeting the effective sealing, the space occupation of the partition in the width direction is reduced, and the space utilization is improved.

[0015] In some embodiments, the distance between the second locking site and the first edge is D2, and 8mm≤D2≤15mm. In this way, the distance D2 is controlled to be between 8mm and 15mm, so that the overall maximum width of the first sealing member is controlled under the premise of meeting the effective sealing, the space occupation of the partition in the width direction is reduced, and the space utilization is improved.

[0016] In some embodiments, the distance between adjacent first locking sites and second locking sites in the extension direction of the partition is D3, and D3≤100mm. In this way, the distance between adjacent first locking sites and second locking sites is reasonably controlled, which is conducive to improving the distribution density of the fasteners on the first sealing member, improving the bonding strength between the cover body and the partition, and further improving the stability of the structure.

[0017] In some embodiments, the battery device further comprises a second sealing member arranged between the mating surface of the cover body and the box body and connected with the first sealing member. In this way, the introduction of the second sealing member can increase the sealing performance between the cover body and the box body, thereby improving the reliability of the battery device.

[0018] In a second aspect, the present application provides a power consumption device, which comprises the battery device of any one of the above. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structural diagram of a vehicle according to some embodiments of the present application.

[0020] Figure 2 An exploded view of a battery device according to some embodiments of the present application.

[0021] Figure 3 A structural plan view of a battery device according to some embodiments of the present application.

[0022] Figure 4 A structural diagram of a first seal and a second seal according to some embodiments of the present application. Figure 3 A structural sectional view along the direction of A-A.

[0023] Figure 5 A structural diagram of a first seal and a second seal according to some embodiments of the present application.

[0024] Figure 6 A structural diagram of a first seal according to some embodiments of the present application. Figure 5 A structural enlarged view at circle B.

[0025] Figure 7 A structural diagram of a first seal according to some embodiments of the present application.

[0026] Figure 8 A structural diagram of a battery device according to some embodiments of the present application.

[0027] Figure 9 A structural diagram of a first seal and a second seal according to some embodiments of the present application.

[0028] Figure 10 A structural diagram of a first seal according to some embodiments of the present application. Figure 9 A structural enlarged view at circle C.

[0029] 100, vehicle; 10, battery device; 20, controller; 30, motor; 1, battery cell; 2, battery case; 21, case body; 22, cover body; 3, first seal; 31, crest section; 32, trough section; 33, first edge; 34, second edge; 41, first locking site; 42, second locking site; 5, fastener; 51, pull-rivet nut; 52, fastening bolt; 6, second seal; 7, partition; 71, sealing compartment; X, extension direction; Y, width direction. DETAILED DESCRIPTION

[0030] In order to make the above objectives, features and advantages of the present application more clear and comprehensible, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways beyond the specific embodiments described herein and by one of ordinary skill in the art without departing from the spirit and scope of the present application, and it is therefore intended that all such variations be considered as falling within the scope of the present application. It should be understood that the use of the terms "include", "comprise" or "contain" herein should not be understood as limiting the present application to the features or steps described herein, but rather the use of these terms is intended to cover the presence of the features or steps described herein as well as the presence of other features or steps not described herein.

[0031] In the description of the present application, it should be understood that, if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features referred to. Therefore, the features defined with "first", "second" can include at least one of the features explicitly or implicitly. In the description of the present application, if the term "a plurality of" appears, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0033] In the present application, unless otherwise specifically defined and limited, if the terms "mount", "connect", "connect", "fix" and the like appear, these terms should be interpreted broadly. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] In the present application, unless specifically stated and limited otherwise, if there is a description of a first feature "on" or "under" a second feature, etc., it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "over", "above" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0035] It should be noted that if an element is referred to as being "fixed to" or "set to" another element, it can be directly on the other element or there can be an intermediate element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be an intermediate element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are only for illustrative purposes and do not represent the only implementation.

[0036] At present, from the development of market situation, the application of power battery device is more and more widely. The power battery device is not only applied to the energy storage power supply system of hydropower, thermal power, wind power and solar power station, but also widely applied to electric bicycles, electric motorcycles, electric vehicles and other electric vehicles, military equipment, aerospace and other fields. With the continuous expansion of the application field of power battery device, the market demand is also increasing.

[0037] With the diversification of power batteries, a cross beam is arranged in some battery devices to separate a plurality of sealed compartments. In order to make the sealing between each sealed compartment independent of each other, a sealing gasket is fixedly connected between the box cover and the cross beam. However, in the structure design of the traditional sealing gasket, in order to meet the effective sealing of the sealed compartments on both sides of the cross beam, the width required for sealing is usually left at the locking point of the sealing gasket, resulting in that the overall maximum width of the sealing gasket is relatively large, thereby causing the size of the cross beam to be relatively large, too much space of the sealed compartment is occupied, and the utilization rate of the internal space of the battery device is reduced.

[0038] Therefore, in order to solve the problem that the sealing design in the conventional battery device causes relatively more space occupation in the width direction and reduces the utilization rate of the internal space of the battery device, the battery device is provided. The first sealing member is introduced between the partition and the cover. When assembled, the fastener can penetrate the first locking position and the second locking position of the first sealing member, and connect the cover and the partition. Since the first locking position is closer to the first edge than the second locking position, in the width direction of the partition, the first distance between the first locking position and the second edge can be used to meet the required width of the sealing space on one side of the partition, and the second distance between the second locking position and the first edge can be used to meet the required width of the sealing space on the other side of the partition. Since the first locking position and the second locking position are misaligned along the projection direction of the partition, that is, the centers of the first locking position and the second locking position are not on the same straight line along the extension direction of the partition, the maximum width of the first sealing member can be the sum of the first distance of the first locking position and the second distance of the second locking position minus the misalignment distance between the first locking position and the second locking position. Therefore, under the premise of effective sealing, the maximum width of the first sealing member can be effectively reduced, thereby relatively reducing the space occupation of the partition in the width direction, and improving the utilization rate of the internal space of the battery device.

[0039] The battery cell disclosed in the embodiments of the present application can be used in, but is not limited to, an electric device such as a vehicle, a ship or an aircraft. The power supply system of the electric device can be composed of the battery cell, the battery device and the like disclosed in the present application.

[0040] The embodiments of the present application provide an electric device using the battery device as a power supply. The electric device can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, an electric vehicle, an electric car, a ship, a spacecraft and the like. The electric toy can include a fixed or mobile electric toy, such as a game console, an electric car toy, an electric ship toy and an electric plane toy, and the spacecraft can include an airplane, a rocket, a space shuttle and a spacecraft.

[0041] The following embodiments are described with the electric device of the embodiments of the present application as an example of a vehicle 100 for convenience of description.

[0042] Please refer to Figure 1 , Figure 1A structural schematic diagram of a vehicle 100 is provided for some embodiments of the present application. The vehicle 100 can be a fuel automobile, a gas automobile, or a new energy automobile, which can be a pure electric vehicle, a hybrid electric vehicle, or a range extended electric vehicle, etc. The vehicle 100 is internally provided with a battery device 10, which can be arranged at the bottom, head, or tail of the vehicle 100. The battery device 10 can be used for power supply of the vehicle 100, for example, the battery device 10 can be used as an operating power source of the vehicle 100. The vehicle 100 can further include a controller 20 and a motor 30, the controller 20 being used to control the battery device 10 to supply power to the motor 30, for example, for the working power demand of the vehicle 100 during starting, navigation, and driving.

[0043] In some embodiments of the present application, the battery device 10 can not only be used as an operating power source of the vehicle 100, but also be used as a driving power source of the vehicle 100, instead of or partially instead of fuel or natural gas to provide driving power for the vehicle 100.

[0044] Please refer to Figure 2 , Figure 2 An exploded view of the battery device 10 is provided for some embodiments of the present application. The battery device 10 includes a battery box 2 and a battery cell 1, and the battery cell 1 is contained in the battery box 2. Among them, the battery box 2 is used to provide a containing space for the battery cell 1, and the battery box 2 can adopt various structures. In some embodiments, the battery box 2 can include a box body 21 and a cover body 22, the box body 21 and the cover body 22 are mutually covered, and the box body 21 and the cover body 22 jointly define a containing space for containing the battery cell 1. The battery box 2 formed by the box body 21 and the cover body 22 can have various shapes, such as a cylinder, a cuboid, etc.

[0045] In the battery device 10, the battery cell 1 can be multiple, and the multiple battery cells 1 can be connected in series, in parallel, or in a mixed manner, and the mixed manner means that there are both series connection and parallel connection among the multiple battery cells 1. The multiple battery cells 1 can be directly connected in series, in parallel, or in a mixed manner together, and then the whole of the multiple battery cells 1 is contained in the battery box 2; of course, the battery device 10 can also be that the multiple battery cells 1 are first connected in series, in parallel, or in a mixed manner to form a battery module, and then multiple battery modules are connected in series, in parallel, or in a mixed manner to form a whole, and the whole is contained in the battery box 2. The battery device 10 can also include other structures, for example, the battery device 10 can also include a current combiner component for realizing electrical connection among the multiple cells.

[0046] Among them, each battery cell 1 can be a secondary battery or a primary battery; it can also be a lithium-sulfur battery, a sodium-ion battery, or a magnesium-ion battery, but is not limited thereto. The battery cell 1 can be in the shape of a cylinder, a flat body, a cuboid, or other shapes, etc.

[0047] According to some embodiments of the present application, please refer to Figures 3 to 5The application provides a battery device 10, which comprises a battery box 2, a partition 7, a first sealing member 3 and a fastener 5. The battery box 2 comprises a box body 21 and a cover body 22 arranged on the box body 21, and the partition 7 is arranged in the box body 21. The first sealing member 3 is arranged between the partition 7 and the cover body 22, and the first sealing member 3 is provided with a first locking position 41 and a second locking position 42 which are distributed along an extension direction X of the partition 7, and the first sealing member 3 comprises a first edge 33 and a second edge 34 which are distributed along a width direction Y of the partition 7. The first locking position 41 and the second locking position 42 are respectively penetrated by corresponding fasteners 5, so that each fastener 5 connects the partition 7 and the cover body 22. The orthographic projection of the first locking position 41 along the extension direction X of the partition 7 is dislocated from the orthographic projection of the second locking position 42 along the extension direction X of the partition 7, and the first locking position 41 is closer to the first edge 33 than the second locking position 42.

[0048] The partition 7 refers to a structure which can divide the internal space of the box body 21 into relatively small spaces which are opposite to each other. For example, the partition 7 can divide the box body 21 into a plurality of independent sealed compartments 71 which are used for accommodating battery monomers 1. The partition 7 can be arranged in the box body 21 in various ways. For example, the partition 7 can extend along the length direction of the box body 21, or extend along the width direction of the box body 21. The number of the partition 7 can be one or more. When the number of the partition 7 is more than one, the partitions 7 can be arranged in parallel and at intervals. In addition, the width direction Y of the partition 7 can be understood as the interval direction between the sealed compartments 71 on both sides of the partition 7. The width direction Y of the partition 7, the extension direction X of the partition 7 and the height direction of the box body 21 are orthogonal to each other and do not lie in the same plane.

[0049] The first sealing member 3 refers to a sealing structure arranged between the cover body 22 and the partition 7. The first sealing member 3 can seal the space on both sides of the partition 7, so that the sealing properties of the spaces on both sides of the partition 7 are independent of each other. The first sealing member 3 is provided with the first locking position 41 and the second locking position 42. In the sealing connection, different fasteners 5 can be respectively penetrated through the first locking position 41 and the second locking position 42, so that the fasteners 5 are connected between the cover body 22 and the partition 7.

[0050] The first locking position 41 and the second locking position 42 refer to the positions of the first sealing member 3 which can be penetrated by the fasteners 5. The first locking position 41 and the second locking position 42 can be through hole structures, or relatively thin positions of the first sealing member 3. In the sealing connection, the fasteners 5 can pierce the first locking position 41 and the second locking position 42, so that the fasteners 5 can act on the partition 7. In the sealing connection, a glue layer can be arranged between the first sealing member 3 and the cover body 22, and / or between the first sealing member 3 and the partition 7. Through the adhesion and the locking of the fasteners 5, the connection strength between the cover body 22 and the partition 7 can be further improved.

[0051] Meanwhile, the fastener 5 can have various structural designs, such as, but not limited to, bolts, rivets, and pins. In some specific examples, the fastener 5 may include a rivet nut 51 and a fastening bolt 52. The rivet nut 51 passes through the first locking position 41 or the second locking position 42 and is riveted to the separator 7. The fastening bolt 52 passes through the cover 22 and is screwed onto the rivet nut 51.

[0052] On the first sealing member 3, the first locking position 41 and the second locking position 42 are respectively misaligned in their orthographic projections along the extension direction X of the separator 7. It can be seen that the centers of the first locking position 41 and the second locking position 42 are not on the same straight line along the extension direction X of the separator 7.

[0053] To achieve a seal on one side of the space located on the partition 7, a certain distance must be maintained between the first locking position 41 or the second locking position 42 and the edge of the first sealing member 3 along the width direction Y of the partition 7, so that there is a certain amount of sealing between the partition 7 and the cover 22. Therefore, the first distance between the second edge 34 and the first locking position 41 can be used as the required width dimension for sealing the space located on one side of the partition 7 and close to the second locking position 42, and the second distance between the first edge 33 and the second locking position 42 can be used as the required width dimension for sealing the space located on the other side of the partition 7.

[0054] For ease of understanding, in some examples, ... Figure 5 and Figure 6 For example, the first distance can be Figure 6 L1 indicates that the second distance can be Figure 6 L2 indicates that the first distance can be used as Figure 6 The required width of the seal located in the lower space, the second distance can be used as Figure 6 The required width of the seal located in the upper space. Meanwhile, Figure 6 In this embodiment, S represents the misalignment distance between the center of the first locking position 41 and the center of the second locking position 42. If the centers of the first locking position 41 and the second locking position 42 are on the same straight line along the extension direction X of the separator 7, then the maximum width of the first sealing member 3 is L1 + L2. However, in this embodiment, since the orthographic projections of the first locking position 41 and the second locking position 42 along the extension direction X of the separator 7 are misaligned, the first distance L1 and the second distance L2 overlap in the width direction Y of the first sealing member 3. Therefore, the maximum width of the first sealing member 3 can be L1 + L2 - S. This effectively reduces the maximum width of the first sealing member 3, allowing the corresponding width of the separator 7 to be relatively reduced, thus reducing the space occupied by the separator 7 in the width direction Y and improving the utilization rate of the internal space of the battery device 10.

[0055] To some examples, if the centers of the first locking position 41 and the second locking position 42 are on the same line along the extension direction X of the partition 7, the maximum width of the first seal 3 can be 35mm, and the maximum width of the first seal 3 of the embodiment can be 29mm.

[0056] Wherein, when the two side surfaces of the first seal 3 along the width direction Y of the partition 7 are parallel planes, the maximum width of the first seal 3 can be the vertical distance between the two side surfaces of the first seal 3 along the width direction Y of the partition 7; when the two side surfaces of the first seal 3 along the width direction Y of the partition 7 are parallel curves, the maximum width of the first seal 3 can be the distance between the positions where the respective outward protrusions of the two edges of the first seal 3 along the width direction Y of the partition 7 are the largest.

[0057] In addition, it should be noted that the first distance and the second distance can be consistent or inconsistent, and the specific size of the first distance and the second distance can be determined according to the actual size of the battery box 2 and the required sealing level inside the battery device 10.

[0058] Meanwhile, the projections of the first locking position 41 and the second locking position 42 along the extension direction X of the partition 7 are staggered with each other, which can be understood as completely staggered or partially staggered. Wherein, partially staggered means that the projections of the first locking position 41 and the second locking position 42 along the extension direction X of the partition 7 partially overlap, but not completely overlap.

[0059] Therefore, due to the staggered projections of the first locking position 41 and the second locking position 42 along the extension direction X of the partition 7, i.e., the centers of the first locking position 41 and the second locking position 42 are not on the same line along the extension direction X of the partition 7, the maximum width of the first seal 3 can be the sum of the first distance of the first locking position 41 and the second distance of the second locking position 42 minus the staggered distance between the first locking position 41 and the second locking position 42. Thus, under the premise of effective sealing, the maximum width of the first seal 3 can be effectively reduced, thereby relatively reducing the space occupation of the partition 7 in the width direction Y, which is conducive to improving the utilization rate of the internal space of the battery device 10.

[0060] According to some embodiments of the present application, optionally, please refer to Figure 6 The number of the first locking position 41 and the second locking position 42 is multiple, and at least one first locking position 41 is distributed between adjacent two second locking positions 42 along the extension direction X of the partition 7.

[0061] It can be known that one first locking position 41 can be distributed between adjacent two second locking positions 42, or multiple first locking positions 41 can be distributed between adjacent two second locking positions 42. For example, please refer to Figure 7Two second locking sites 42 can be distributed between two adjacent first locking sites 41.

[0062] Meanwhile, the first locking sites 41 and the second locking sites 42 can have various distribution forms on the first sealing member 3, for example, each first locking site 41 is close to the first edge 33 of the first sealing member 3, and each second locking site 42 is close to the second edge 34 of the first sealing member 3.

[0063] For some examples, please refer to Figure 6 , each first locking site 41 is close to the first edge 33 of the first sealing member 3 relative to the second locking site 42, and each second locking site 42 is close to the second edge 34 of the first sealing member 3 relative to the first locking site 41.

[0064] In this way, the plurality of first locking sites 41 and the plurality of second locking sites 42 are introduced, which can increase the number of locking points between the cover body 22 and the partition piece 7, and is beneficial to improve the bonding strength and sealing performance between the cover body 22 and the partition piece 7.

[0065] According to some embodiments of the present application, optionally, please refer to Figure 6 , each first locking site 41 and each second locking site 42 are alternately and spacedly distributed along the extension direction X of the partition piece 7, and each first locking site 41 is closer to the edge of the first sealing member 3 along the width direction Y of the partition piece 7, and each second locking site 42 is closer to the other edge of the first sealing member 3 along the width direction Y of the partition piece 7.

[0066] Therefore, each first locking site 41 and each second locking site 42 are alternately and staggeredly distributed along the extension direction X of the partition piece 7, and each first locking site 41 and each second locking site 42 are close to different edges of the first sealing member 3 along the width direction Y of the partition piece 7.

[0067] For some examples, each first locking site 41 can be close to the first edge 33 relative to the second locking site 42, and each second locking site 42 can be close to the second edge 34 relative to the first locking site 41.

[0068] For ease of understanding, each first locking site 41 is close to the first edge 33, and each second locking site 42 is close to the second edge 34. Meanwhile, please refer to Figures 8 to 9 , in Figure 8In some embodiments, the sealing bin 71 above the first sealing member 3 is the first sealing bin, and the sealing bin 71 above the first sealing member 3 is the second sealing bin. At this time, the part of the first sealing member 3 between the first locking position 41 and the second edge 34 can seal the second sealing bin, and the part of the first sealing member 3 between the second locking position 42 and the first edge 33 can seal the first sealing bin. In this way, the first locking position 41 and the second locking position 42 are alternately and sequentially distributed, which can seal the first sealing bin and the second sealing bin alternately under the premise of reducing the overall maximum width of the first sealing member 3.

[0069] In this way, the space on both sides of the distribution partition 7 can be alternately sealed, improving the sealing effect; at the same time, the first locking position 41 and the second locking position 42 are alternately and sequentially distributed, which can disperse the stress between the cover body 22 and the partition 7, which is beneficial to improve the stability of the structure.

[0070] According to some embodiments of the present application, optionally, please refer to Figure 9 The orthogonal projection of each first locking position 41 along the extension direction X of the partition 7 overlaps each other.

[0071] Therefore, each first locking position 41 is on or approximately on the same straight line along the extension direction X of the partition 7, which can keep the sealing effect of the space on one side of the partition 7 and close to the second locking position 42 relatively consistent.

[0072] In this way, the sealing effect of the space on one side of the partition 7 and close to the second locking position 42 can be kept relatively consistent, improving the sealing effect.

[0073] According to some embodiments of the present application, optionally, please refer to Figure 9 The orthogonal projection of each second locking position 42 along the extension direction X of the partition 7 overlaps each other.

[0074] Therefore, each second locking position 42 is on or approximately on the same straight line along the extension direction X of the partition 7, which can keep the sealing effect of the space on one side of the partition 7 and close to the first locking position 41 relatively consistent.

[0075] In this way, the sealing effect of the space on one side of the partition 7 and close to the first locking position 41 can be kept relatively consistent, improving the sealing effect.

[0076] According to some embodiments of the present application, optionally, please refer to Figure 9 And Figure 10The distance between the first locking position 41 and the second edge 34 in the width direction Y of the partition 7 is greater than the distance between the first locking position 41 and the first edge 33 in the width direction Y of the partition 7, and the distance between the second locking position 42 and the first edge 33 in the width direction Y of the partition 7 is greater than the distance between the second locking position 42 and the second edge 34 in the width direction Y of the partition 7.

[0077] Therefore, in the width direction Y, the size of the first seal 3 on both sides of the first locking position 41 and the second locking position 42 is not equal, so that the distance between the first locking position 41 and the second edge 34 is relatively large, which can meet the width size required for sealing the space near the second edge 34, and the distance between the second locking position 42 and the first edge 33 is relatively large, which can meet the width size required for sealing the space near the first edge 33.

[0078] Of course, in some other examples, in the width direction Y, the size of the first seal 3 on one of the first locking position 41 and the second locking position 42 is not equal, and the size of the first seal 3 on the other is not equal. For example, the spaces of the sealed compartments 71 on both sides of the partition 7 are not equal, resulting in different width sizes of the first seal 3 required; for example, in the width direction Y, the distance between the first locking position 41 and the second edge 34 is greater than the distance between the first locking position 41 and the first edge 33, so as to meet the sealing of the relatively large sealed compartment 71; and the space of the sealed compartment 71 corresponding to the second locking position 42 is relatively small, so that the distance between the second locking position 42 and the first edge 33 can be relatively small, and at this time, the second locking position 42 can be located at the middle position of the first seal 3, but the second locking position 42 and the first locking position 41 are vertically offset in the width direction Y.

[0079] Such a design allows each first locking position 41 and each second locking position 42 to independently meet the effective sealing of the space on different sides of the partition 7, so that under the premise of meeting the effective sealing, the overall maximum width of the first seal 3 can be reduced, thereby reducing the width of the partition 7, reducing the space occupation, and improving the space utilization rate inside the battery device 10.

[0080] According to some embodiments of the present application, optionally, the first edge 33 and / or the second edge 34 are configured as a straight line structure extending along the extension direction X of the partition 7.

[0081] It can be understood that the first edge 33 can be designed as a straight line structure; or the second edge 34 can be designed as a straight line structure; or both the first edge 33 and the second edge 34 are designed as straight line structures. When the first edge 33 and the second edge 34 are both straight line structures, they can be arranged in parallel.

[0082] In some examples, the first edge 33 and the second edge 34 are both straight line structures and are parallel to each other.

[0083] In this way, the first edge 33 and / or the second edge 34 are designed as straight line structures, which not only facilitates the processing of the first seal 3, but also makes the distance between the first locking position 41 or the second locking position 42 and one side of the first seal 3 along the width direction Y of the partition 7 relatively consistent.

[0084] According to some embodiments of the present application, optionally, the first seal 3 comprises a plurality of wave peak segments 31 and wave valley segments 32 connected along the extension direction X of the partition 7, the wave peak segments 31 are configured to be integrally arc-shaped upward along the direction from the second edge 34 to the first edge 33, the wave valley segments 32 are configured to be integrally arc-shaped upward along the direction from the first edge 33 to the second edge 34, the first locking position 41 is arranged on the wave peak segment 31, and the second locking position 42 is arranged on the wave valley segment 32.

[0085] Therefore, the first edge 33 and the second edge 34 are both non-straight line structures, and in some examples, the first edge 33 and the second edge 34 are both structures of two sine waves or cosine waves arranged side by side.

[0086] The wave peak segment 31 is integrally arc-shaped upward from the second edge 34 to the first edge 33, and the first edge 33 of the wave peak segment 31 is a convex surface protruding outward, and the second edge 34 of the wave peak segment 31 is a concave surface recessed inward. The wave valley segment 32 is configured to be integrally arc-shaped upward from the first edge 33 to the second edge 34, and the first edge 33 of the wave valley segment 32 is a concave surface recessed inward, and the second edge 34 of the wave valley segment 32 is a convex surface protruding outward.

[0087] It should be noted that the maximum width of the first seal 3 can be the distance between the position where the first edge 33 of the wave peak segment 31 protrudes the most and the position where the second edge 34 of the wave valley segment 32 protrudes the most in the width direction Y of the partition 7.

[0088] In addition, in some examples, the first edge 33 of the wave peak segment 31 and the first edge 33 of the wave valley segment 32 can be smoothly connected, and the second edge 34 of the wave peak segment 31 and the second edge 34 of the wave valley segment 32 can be smoothly connected.

[0089] In this way, the first locking position 41 and the second locking position 42 can be better distributed in a staggered manner, so that the overall maximum width of the first seal is reduced, and the space occupied by the partition 7 in the width direction Y is reduced.

[0090] According to some embodiments of the present application, optionally, please refer to Figure 9 The number of wave peak segments 31 and wave valley segments 32 is multiple, and each wave peak segment 31 and each wave valley segment 32 are connected in turn and alternately along the extension direction X of the partition 7.

[0091] It can be seen that the first sealing element 3 has an S-shaped wavy structure. At this time, the first locking position 41 and the second locking position 42 are also alternately staggered and distributed according to the shape of the first sealing element 3.

[0092] This design makes the first sealing element 3 present an S-shaped wave shape, which is conducive to the alternating stagger of the first locking position 41 and the second locking position 42, thereby reducing the overall maximum width of the first sealing element 3 while ensuring effective sealing.

[0093] Optionally, according to some embodiments of this application, please refer to Figure 10 The distance between the first locking position 41 and the second edge 34 is denoted as D1, where 8mm≤D1≤15mm.

[0094] It can be seen that the spacing D1 can be between 8mm and 15mm, for example, but not limited to 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, etc.

[0095] This design controls the spacing D1 between 8mm and 15mm, which can control the overall maximum width of the first sealing element 3 while ensuring effective sealing, reduce the space occupied by the separator 7 in the width direction Y, and improve the space utilization rate.

[0096] Optionally, according to some embodiments of this application, please refer to Figure 10 The distance between the second locking position 42 and the first edge 33 is denoted as D2, where 8mm≤D2≤15mm.

[0097] It can be seen that the spacing D2 can be between 8mm and 15mm, for example, but not limited to 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, etc.

[0098] This design controls the spacing D2 between 8mm and 15mm, which can control the overall maximum width of the first sealing element 3 while ensuring effective sealing, reduce the space occupied by the separator 7 in the width direction Y, and improve the space utilization rate.

[0099] Optionally, according to some embodiments of this application, please refer to Figure 10 The distance between adjacent first locking positions 41 and second locking positions 42 in the extension direction X of the separator 7 is denoted as D3, where D3≤100mm.

[0100] In the extension direction X of the partition 7, the spacing between adjacent first locking sites 41 and second locking sites 42 can be controlled to be less than or equal to 100 mm, such as, but not limited to, 10 mm, 20 mm, 30 mm, 40 mm, 50 mm, 60 mm, 70 mm, 80 mm, 90 mm, 100 mm, etc.

[0101] When the number of first locking sites 41 and second locking sites 42 is multiple, and the first locking sites 41 and second locking sites 42 are alternately and spacedly distributed in the extension direction X of the partition 7, the spacing D3 is the spacing between adjacent first locking sites 41 and second locking sites 42.

[0102] In this way, by reasonably controlling the spacing between adjacent first locking sites 41 and second locking sites 42, the distribution density of the fastener 5 on the first sealing member 3 can be improved, the bonding strength between the cover 22 and the partition 7 can be improved, and thus the stability of the structure can be improved.

[0103] According to some embodiments of the present application, it is optional to refer to Figure 8 and Figure 9 The battery device 10 further comprises a second sealing member 6, which is arranged between the mating surfaces of the box 21 and the cover 22, and is connected with the first sealing member 3.

[0104] The second sealing member 6 refers to a structure sealingly arranged between the box 21 and the cover 22. In some examples, the second sealing member 6 can be an annular structure extending along the circumference of the box 21, and the first sealing member 3 is located within the second sealing member 6, and both ends of the first sealing member 3 are connected with the second sealing member 6.

[0105] In this way, by introducing the second sealing member 6, the sealing performance between the cover 22 and the box 21 can be improved, and thus the reliability of the battery device 10 can be improved.

[0106] According to some embodiments of the present application, the present application provides a power consumption device, which comprises the battery device 10 of any one of the above.

[0107] According to some embodiments of the present application, it is optional to refer to Figure 3 , Figure 4 and Figures 8 to 10The battery device 10 comprises a box 21, a cover 22, a partition 7, a first seal 3 and a plurality of fasteners 5. The partition 7 is arranged in the box 21 and divides the box 21 into a plurality of sealed compartments 71. The first seal 3 is arranged between the cover 22 and the partition 7. Each fastener 5 penetrates the first seal 3 and connects the cover 22 and the partition 7. The first seal 3 comprises a first edge 33 and a second edge 34 along the width direction Y of the partition 7. The first seal 3 comprises a plurality of wave peak segments 31 and wave valley segments 32 connected alternately along the extension direction X of the partition 7. The wave peak segment 31 is arched from the second edge 34 to the first edge 33. The wave valley segment 32 is arched from the first edge 33 to the second edge 34. Each wave peak segment 31 is provided with a first locking position 41. Each wave valley segment 32 is provided with a second locking position 42. Each first locking position 41 is arranged close to the first edge 33. Each second locking position 42 is arranged close to the second edge 34. The distance between the first locking position 41 and the second edge 34 is greater than the distance between the first locking position 41 and the first edge 33. The distance between the second locking position 42 and the first edge 33 is greater than the distance between the second locking position 42 and the second edge 34.

[0108] Any combination of the technical features in the above-described embodiments can be made, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present application.

[0109] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, however, it should not be understood as a limitation on the patent scope of the present application. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A battery device, characterized by, The battery device comprises: a battery box (2) comprising a box body (21) and a cover body (22) arranged on the box body (21); a partition (7) arranged in the box body (21); a first sealing member (3) arranged between the partition (7) and the cover body (22), the first sealing member (3) being provided with a first locking portion (41) and a second locking portion (42) distributed along an extension direction (X) of the partition (7), and comprising a first edge (33) and a second edge (34) distributed along a width direction (Y) of the partition (7); fasteners (5), the first locking portion (41) and the second locking portion (42) being respectively penetrated by corresponding fasteners (5) so that each fastener (5) connects the partition (7) and the cover body (22); wherein the first locking portion (41) is offset from the second locking portion (42) along the extension direction (X) of the partition (7), and the first locking portion (41) is closer to the first edge (33) than the second locking portion (42).

2. The battery device according to claim 1, characterized by The number of the first locking portions (41) and the second locking portions (42) is multiple, and at least one first locking portion (41) is distributed between two adjacent second locking portions (42) along the extension direction (X) of the partition (7).

3. The battery device of claim 2, wherein Each first locking portion (41) and each second locking portion (42) are alternately and spacedly distributed along the extension direction (X) of the partition (7), and each first locking portion (41) is closer to the first edge (33) than the second locking portion (42).

4. The battery device of claim 2, wherein The projection of each first locking portion (41) along the extension direction (X) of the partition (7) overlaps with each other; and / or, The projection of each second locking portion (42) along the extension direction (X) of the partition (7) overlaps with each other.

5. The battery device according to any one of claims 1 to 4, characterized by, The distance between the first locking portion (41) and the second edge (34) along the width direction (Y) of the partition (7) is greater than the distance between the first locking portion (41) and the first edge (33) along the width direction (Y) of the partition (7), and the distance between the second locking portion (42) and the first edge (33) along the width direction (Y) of the partition (7) is greater than the distance between the second locking portion (42) and the second edge (34) along the width direction (Y) of the partition (7).

6. The battery device of claim 5, wherein The first edge (33) and / or the second edge (34) are configured as a straight line structure extending along the extension direction (X) of the partition (7).

7. The battery device of claim 5, wherein The first seal (3) comprises a wave crest section (31) and a wave trough section (32) connected along the extension direction (X) of the partition (7), the wave crest section (31) is configured to be wholly arc-shaped and arched in a direction from the second edge (34) to the first edge (33), the wave trough section (32) is configured to be wholly arc-shaped and arched in a direction from the first edge (33) to the second edge (34), the first locking site (41) is arranged on the wave crest section (31), and the second locking site (42) is arranged on the wave trough section (32).

8. The battery device of claim 7, wherein, The number of the wave crest sections (31) and the wave trough sections (32) is both plural, each wave crest section (31) and each wave trough section (32) are connected alternately in sequence along the extension direction (X) of the partition (7).

9. The battery device of claim 5, wherein, The distance between the first locking site (41) and the second edge (34) is denoted as D1, wherein 8mm≤D1≤15mm; and / or, The distance between the second locking site (42) and the first edge (33) is denoted as D2, wherein 8mm≤D2≤15mm.

10. The battery device according to any one of claims 1 to 4, wherein The distance between adjacent first locking sites (41) and second locking sites (42) in the extension direction (X) of the partition (7) is denoted as D3, wherein D3≤100mm.

11. The battery device according to any one of claims 1 to 4, wherein The battery device further comprises a second seal (6) arranged between the mating surfaces of the box body (21) and the cover body (22), and connected with the first seal (3).

12. An electrical device, characterized by The electric device comprises the battery device according to any one of claims 1-11.

Images