CN219523683U - Battery and electricity utilization device - Google Patents

Abstract

The utility model provides a battery and an electric device. The battery includes box and high-pressure assembly, the box forms and has first cavity, high-pressure assembly swing joint is in the box, high-pressure assembly has all to hold in the state of accomodating of first cavity, so that when not needing to overhaul the change, high-pressure assembly holds in the first cavity of box, the box has played the effect of protection and holding high-pressure assembly, high-pressure assembly still includes the at least part and stretches out in the expansion state of first cavity, so that when need overhaul and change high-pressure assembly, at least part high-pressure assembly stretches out in the first cavity, with the improvement because the box size is limited, lead to the operation space narrow and small, so that the maintenance of high-pressure assembly, the difficult problem of operation such as change, help improving the practicality of battery.

Description

Battery and electricity utilization device

Technical Field

The utility model relates to the field of batteries, in particular to a battery and an electric device.

Background

Energy conservation and emission reduction are key to sustainable development of the automobile industry, and electric vehicles become an important component of sustainable development of the automobile industry due to the energy conservation and environmental protection advantages of the electric vehicles. For electric vehicles, battery technology is an important factor in the development of the electric vehicles.

In the prior art, the high-voltage assembly is arranged in the box body of the battery, when the high-voltage assembly fails, a user overhauls or changes the high-voltage assembly, and the like, the overhauling process is difficult, the operation difficulty is high, the practicability of the battery cannot meet the needs of the user, and improvement is needed.

Disclosure of Invention

In view of the above, the present utility model provides a battery and an electric device, which can reduce the operation difficulty of maintenance, replacement, etc. of a high voltage assembly and improve the practicability of the battery.

In a first aspect, the present utility model provides a battery comprising: a case body having a first chamber formed therein; the high-pressure assembly is movably connected with the box body and is provided with a storage state which is fully contained in the first chamber and a unfolding state which at least partially stretches out of the first chamber.

In the technical scheme of the embodiment of the utility model, the battery comprises a box body and a high-voltage assembly, wherein the box body is provided with a first cavity, the high-voltage assembly is movably connected with the box body, the high-voltage assembly is in a storage state of being fully contained in the first cavity, so that when maintenance and replacement are not needed, the high-voltage assembly is contained in the first cavity of the box body, the box body has the effect of protecting and containing the high-voltage assembly, and the high-voltage assembly also comprises an unfolding state of at least partially stretching out of the first cavity, so that when the high-voltage assembly needs to be maintained and replaced, at least partially stretching out of the first cavity, thereby solving the problem that the operation space is narrow due to the limited size of the box body, so that the maintenance, replacement and the like of the high-voltage assembly are difficult, and being beneficial to improving the practicability of the battery.

In some embodiments, the battery further comprises a turnover structure, the high voltage assembly comprises a bottom plate, one end of the turnover structure is connected to the bottom plate, and the other end of the turnover structure is connected to the case.

In the technical scheme of the embodiment of the utility model, the battery further comprises a turnover structure, at least part of the high-voltage assembly can extend out of the first cavity through the turnover structure, one end of the turnover structure is connected to the bottom plate of the high-voltage assembly to improve the connection reliability of the turnover structure and the high-voltage assembly, and the other end of the turnover structure is connected to the box body to improve the connection strength of the turnover structure and the box body to improve the reliability of the battery.

In some embodiments, the dimension of the base plate in the first direction is greater than the dimension of the base plate in the second direction, the first direction intersecting the second direction, and the flip structure is disposed at a side edge of the base plate in the second direction.

In the technical scheme of the embodiment of the utility model, the size of the bottom plate in the first direction is larger than the size of the bottom plate in the second direction, and the overturning structure is arranged at one side edge of the bottom plate in the second direction, so that when the overturning structure overturns out of the first cavity around one side edge of the bottom plate in the second direction, a larger operation space can be obtained, and a user can conveniently overhaul or replace the high-voltage assembly.

In some embodiments, the first chamber includes a first end and a second end disposed opposite one another in a third direction, the high pressure assembly further includes a component disposed on a side of the base plate proximate the first end, the third direction intersecting the first direction, the high pressure assembly configured to extend from the second end of the first chamber into the first chamber in the deployed state.

In the technical scheme of the embodiment of the utility model, the first cavity comprises the first end and the second end which are oppositely arranged in the third direction, the high-voltage assembly further comprises components arranged on one side of the bottom plate towards the first end, the high-voltage assembly is configured to extend out of the first cavity from the second end of the first cavity in an unfolding state, so that the problem of interference between the components and the frame of the first cavity can not be generated in the overturning process, the high-voltage assembly can be overturned out of the first cavity to a greater extent, a greater operation space can be obtained when a user overhauls or replaces the high-voltage assembly, the operation difficulty is reduced, and the practicability of the battery is improved.

In some embodiments, the turnover structure includes two connecting portions disposed side by side and a rotating shaft disposed between the two connecting portions, the two connecting portions are rotatably disposed around the rotating shaft, one connecting portion is connected to the bottom plate, and the other connecting portion is connected to the frame of the first chamber.

In the technical scheme of the embodiment of the utility model, the turnover structure comprises two connecting parts which are respectively connected with the bottom plate and the side frame of the first chamber and are arranged side by side, and the two connecting parts are rotatably arranged around the rotating shaft, so that the high-voltage assembly can be turned out of the first chamber through the turnover structure, the difficulty of overhauling or replacing the high-voltage assembly by a user is reduced, and the practicability of the battery is improved.

In some embodiments, the battery further comprises: the first cover plate is used for covering the first cavity.

In the technical scheme of the embodiment of the utility model, the battery further comprises a first cover plate for covering the first cavity, and the first cover plate can play a role in protecting the high-voltage assembly and sealing the first cavity, so that the practicability of the battery is improved.

The box body comprises a first chamber and a second chamber, the first chamber is used for accommodating the high-voltage assembly, the second chamber is used for accommodating the battery cell, the high-voltage assembly and the battery cell are respectively arranged in the independent chambers, and the modularized high-voltage assembly reduces the risk of damage to one of the high-voltage assembly and the battery cell when the other is maintained; the battery still includes the second apron, and the second apron lid closes in the second cavity, and first apron lid closes in first cavity to make only need dismantle when needing to maintain high pressure assembly first apron can, need not to dismantle the apron is whole, simplified the maintenance flow, and reduced because of dismantling whole apron, lead to the interface damage, influence the problem of battery whole leakproofness, improved the practicality of battery.

In some embodiments, the first cover plate is movably connected to the housing and the first cover plate is fixedly connected to the high pressure assembly such that the first cover plate is capable of moving synchronously with the high pressure assembly.

In the technical scheme of the embodiment of the utility model, the first cover plate is movably connected with the box body, and is fixedly connected with the high-voltage assembly, so that the first cover plate and the high-voltage assembly synchronously move, the operation flow of maintenance, replacement and the like of the high-voltage assembly is simplified, and the practicability of the battery is improved.

In some embodiments, the first cover is removably attached to the case.

According to the technical scheme, the first cover plate is detachably connected to the box body, so that the overall preparation difficulty of the battery is reduced, the preparation efficiency of the battery is improved, and the problem that the tightness of the battery is damaged due to the arrangement of the movable connecting piece is solved.

In some embodiments, the case further comprises a second chamber for receiving the battery cell, and the battery further comprises a second cover plate for covering the second chamber.

In the technical scheme of the embodiment of the utility model, the box body comprises a first chamber and a second chamber, the high-voltage assembly is accommodated in the first chamber, the battery monomer is accommodated in the second chamber, and the high-voltage assembly and the battery monomer are respectively arranged in the independent chambers, so that the risk of damage to one of the high-voltage assembly and the battery monomer when the other is maintained is reduced; the battery still includes the second apron, and the second apron lid closes in the second cavity, and first apron lid closes in first cavity to make only need dismantle when needing to maintain high-pressure assembly first apron can, only need dismantle the second apron when needing to maintain the battery monomer, need not to dismantle the apron is whole, has simplified the maintenance flow, and has reduced because of dismantling whole apron, leads to the interface damage, influences the problem of the whole leakproofness of battery, has improved the practicality of battery.

In a second aspect, an embodiment of the present utility model provides an electrical device, including a battery provided in the embodiment of the first aspect.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic view of a vehicle according to an embodiment of the present utility model;

fig. 2 is an exploded view of a battery according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a battery module in a battery according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a battery according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a battery according to an embodiment of the present utility model;

FIG. 6 is an enlarged schematic view of the structure shown at A in FIG. 4;

fig. 7 is a schematic structural diagram of a turnover structure of a battery according to an embodiment of the present utility model;

fig. 8 is a schematic structural diagram of a battery according to an embodiment of the present utility model;

fig. 9 is a schematic view of a battery structure in a state in which a high-voltage assembly according to an embodiment of the present utility model is in an extended state;

fig. 10 is a schematic view of a battery structure in a state in which a high voltage assembly according to another embodiment of the present utility model is in an extended state.

Reference numerals in the specific embodiments are as follows:

1. a vehicle; 2. a battery; 101. a motor; 102. a controller; 2021. A first box portion; 2022. a second box portion; 201. a battery module; 3. a battery cell;

202. a case; 2023. a first chamber; 2025. A second connector; 2026. a first cover plate; 2027. a second cover plate;

203. a high pressure assembly; 2031. a bottom plate; 2032. a first connector; 2033. a component;

204. a turnover structure; 2041. a connection part; 2042. a rotating shaft.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

It should be noted that unless otherwise indicated, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meanings as understood by those skilled in the art to which the embodiments of the present utility model belong.

In the description of the embodiments of the present utility model, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present utility model.

Furthermore, the technical terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Currently, the application of power batteries is more widespread from the development of market situation. The power battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles, and the like, and a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the application field of the power battery, the market demand of the power battery is also continuously expanding.

Reference to a battery in accordance with an embodiment of the present utility model refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery referred to in the present utility model may include a battery module or a battery pack, or the like. The battery generally includes a case for enclosing one or more battery cells. The case body can prevent liquid or other foreign matters from affecting the charge or discharge of the battery cells.

Energy conservation and emission reduction are key to sustainable development of the automobile industry, and electric vehicles become an important component of sustainable development of the automobile industry due to the energy conservation and environmental protection advantages of the electric vehicles. For electric vehicles, battery technology is an important factor in the development of the electric vehicles.

The inventor notices that when the high-voltage assembly of the battery needs maintenance or replacement operation, the steps are complicated, and the operation difficulty is high.

The inventors disassembled the battery and analyzed and studied it. The applicant finds that the high-voltage assembly and the battery monomer are commonly accommodated in the battery box body, when the high-voltage assembly needs to be maintained, the operation needs to be performed in the box body, the operation is easy to interfere with the frame of the box body, the operation difficulty is increased, or the high-voltage assembly needs to be removed from the box body, the box body is taken out for operation, and the operation process is complex. The operation difficulty is high.

Based on the above-mentioned problems found by the inventors, the inventors have improved a battery comprising a case formed with a first chamber and a high-voltage assembly movably connected to the case, the high-voltage assembly having a storage state entirely accommodated in the first chamber so that the high-voltage assembly is accommodated in the first chamber of the case when maintenance and replacement are not required, the case having an effect of protecting and accommodating the high-voltage assembly, and further comprising an expanded state at least partially protruded from the first chamber so that at least partially protruded from the first chamber when maintenance and replacement of the high-voltage assembly are required, so that the problem of difficulty in operation such as maintenance, replacement of the high-voltage assembly due to limited size of the case is improved, contributing to improvement of the practicality of the battery.

The technical scheme described by the embodiment of the utility model is suitable for the battery and the power utilization device using the battery.

The electric device may be a vehicle, a mobile phone, a portable device, a notebook computer, a ship, a spacecraft, an electric toy, an electric tool, or the like. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle; spacecraft including airplanes, rockets, space planes, spacecraft, and the like; the electric toy includes fixed or mobile electric toys, such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy; power tools include metal cutting power tools, grinding power tools, assembly power tools, and railroad power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete shakers, and electric planers, among others. The embodiment of the utility model does not limit the electric device in particular.

It should be understood that the technical solutions described in the embodiments of the present utility model are not limited to the above-described batteries and electric devices, but may be applied to all batteries including a case and electric devices using the batteries, but for simplicity of description, the following embodiments are described by taking an electric vehicle as an example.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1 according to some embodiments of the utility model. The vehicle 1 can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extending vehicle. The interior of the vehicle 1 is provided with a battery 2, which may be provided at the bottom or at the head or at the tail of the vehicle 1. The battery 2 may be used for power supply of the vehicle 1, for example, the battery 2 may serve as an operating power source of the vehicle 1. The vehicle 1 may also include a controller 102 and a motor 101, the controller 102 being configured to control a battery to power the motor 101, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 1.

In some embodiments of the utility model, the battery may not only serve as an operating power source for the vehicle 1, but also as a driving power source for the vehicle 1, instead of or in part instead of fuel oil or natural gas, to provide driving power for the vehicle 1.

To meet different demands for power use, the battery 2 may include a plurality of battery cells, which means the smallest units constituting a battery module or a battery pack. Multiple cells may be connected in series and/or parallel via electrode terminals for use in various applications. The battery 2 mentioned in the present utility model includes a battery module or a battery pack. The battery cells can be connected in series or parallel or in series-parallel connection, and the series-parallel connection refers to the mixture of series connection and parallel connection. In the embodiment of the utility model, a plurality of battery monomers can directly form a battery pack, or can form a battery module first, and then form the battery pack.

Fig. 2 is an exploded view of a battery according to an embodiment of the present utility model.

As shown in fig. 2, the battery includes a case 202 and a battery cell (not shown) housed in the case 202.

The case 202 may have a simple three-dimensional structure such as a rectangular parallelepiped, a cylinder, or a sphere, or may have a complex three-dimensional structure formed by combining simple three-dimensional structures such as a rectangular parallelepiped, a cylinder, or a sphere. The material of the case 202 may be an alloy material such as aluminum alloy or iron alloy, a polymer material such as polycarbonate or polyisocyanurate foam, or a composite material such as glass fiber and epoxy resin.

The case 202 is used to house the battery cells, and the case 202 may have various structures. In some embodiments, the case 202 may include a first case portion 2021 and a second case portion 2022, where the first case portion 2021 and the second case portion 2022 are mutually covered, and the first case portion 2021 and the second case portion 2022 together define an accommodating space for accommodating the battery cell 3. The second housing portion 2022 may be a hollow structure having one end opened, the first housing portion 2021 is a plate-like structure, and the first housing portion 2021 is covered on the opening side of the second housing portion 2022 to form the housing 202 having an accommodation space; the first housing portion 2021 and the second housing portion 2022 may each be a hollow structure having an opening at one side, and the opening side of the first housing portion 2021 is covered with the opening side of the second housing portion 2022 to form the housing 202 having the accommodation space. Of course, the first housing portion 2021 and the second housing portion 2022 may be of various shapes, such as a cylinder, a rectangular parallelepiped, or the like.

In order to improve the sealing property after the first housing portion 2021 and the second housing portion 2022 are connected, a sealing member, such as a sealant, a seal ring, or the like, may be provided between the first housing portion 2021 and the second housing portion 2022.

Assuming that the first housing portion 2021 is covered on top of the second housing portion 2022, the first housing portion 2021 may also be referred to as an upper cover, and the second housing portion 2022 may also be referred to as a lower cover.

In the battery 2, the number of battery cells may be one or more. If the number of the battery cells is multiple, the multiple battery cells can be connected in series or in parallel or in series-parallel connection, and the series-parallel connection means that the multiple battery cells are connected in series or in parallel. The plurality of battery cells can be directly connected in series or in parallel or in series-parallel, and then the whole formed by the plurality of battery cells is accommodated in the box 202; of course, a plurality of battery cells may be connected in series or parallel or in series to form the battery module 201, and then the plurality of battery modules 201 are connected in series or parallel or in series to form a whole and are accommodated in the case 202.

Fig. 3 is a schematic structural diagram of a battery module in a battery according to an embodiment of the present utility model.

In some embodiments, as shown in fig. 2 and 3, the battery cells 3 are plural, and the plural battery cells 3 are first connected in series or parallel or series-parallel to form the battery module 201. The plurality of battery modules 201 are then connected in series or parallel or a series-parallel combination to form a unit and are accommodated in the case 202.

The plurality of battery cells 3 in the battery module 201 may be electrically connected through a bus bar member to realize parallel connection or series-parallel connection of the plurality of battery cells 3 in the battery module 201.

In the present utility model, the battery cell 3 may include a lithium ion battery cell, a sodium ion battery cell, a magnesium ion battery cell, or the like, which is not limited in the embodiment of the present utility model. The battery cell 3 may have a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, etc., which is not limited in the embodiment of the present utility model. The battery cells 3 are generally divided into three types in a package manner: the cylindrical battery cell, the square battery cell and the soft package battery cell are not limited in this embodiment. However, for brevity of description, the following examples are given by taking square battery cells as an example.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a battery according to an embodiment of the utility model.

In a first aspect, as shown in fig. 4, the present utility model provides a battery 2, the battery 2 including a case 202 and a high voltage assembly 203, the case 202 being formed with a first chamber 2023; the high-pressure assembly 203 is movably connected to the housing 202, and the high-pressure assembly 203 has a housed state in which it is fully received in the first chamber 2023 and a deployed state in which it is at least partially extended from the first chamber 2023.

The high-pressure assembly 203 is movably connected to the box 202, which means that the high-pressure assembly 203 is connected to the box 202 through one or more connecting mechanisms, so that the high-pressure assembly 203 can move relative to the box 202 in a manner of turning, sliding or rotating.

Alternatively, during the process from the storage state to the unfolding state of the high-pressure assembly 203, the high-pressure assembly 203 and the box 202 may be moved relatively manually, or the high-pressure assembly 203 and the box 202 may be moved relatively by a driving mechanism, which may be a motor or a hydraulic mechanism, etc.

Optionally, the first chamber 2023 houses the high voltage assembly 203 and a battery cell (not shown), or the first chamber 2023 houses only the high voltage assembly 203.

In the technical solution of the embodiment of the present utility model, the battery 2 includes a case 202 and a high-voltage assembly 203, the case 202 is formed with a first chamber 2023, the high-voltage assembly 203 is movably connected to the case 202, the high-voltage assembly 203 has a storage state that is fully contained in the first chamber 2023, so that when maintenance and replacement are not required, the high-voltage assembly 203 is contained in the first chamber 2023 of the case 202, the case 202 has an effect of protecting and containing the high-voltage assembly 203, and the high-voltage assembly 203 further includes a deployed state that at least part of the high-voltage assembly 203 extends out of the first chamber 2023, so that when maintenance and replacement of the high-voltage assembly 203 are required, at least part of the high-voltage assembly 203 extends out of the first chamber 2023, so as to solve the problem that the operation space is narrow due to the limited size of the case 202, so that maintenance, replacement and other operations of the high-voltage assembly 203 are difficult, thereby contributing to improving the practicality of the battery 2.

Referring to fig. 4, 5 and 6, fig. 5 is a schematic structural diagram of a battery according to an embodiment of the present utility model, and fig. 6 is an enlarged schematic structural diagram at a in fig. 4.

In some embodiments, as shown in fig. 4 to 6, the battery 2 further includes a turnover structure 204, the high voltage assembly 203 includes a bottom plate 2031, one end of the turnover structure 204 is connected to the bottom plate 2031, and the other end of the turnover structure 204 is connected to the case 202. Optionally, the high voltage assembly 203 further includes a component 2033, the component 2033 is disposed on one side of the bottom plate 2031, and the overturning structure 204 is connected on one side of the bottom plate 2031 away from the component 2033, so as to improve interference between the component 2033 and the overturning structure 204, and facilitate reducing the size of the bottom plate 2031 and improving the energy density of the battery 2.

Optionally, the connection between the overturning structure 204 and the bottom plate 2031 is at least one of adhesion, riveting, or bolting.

Optionally, the overturning structure 204 is connected to a surface of the case 202 on one side in the first direction X, which has a large operation space and low installation difficulty.

Optionally, the connection between the overturning structure 204 and the box 202 is at least one of adhesion, riveting or bolting.

In the technical solution of the embodiment of the present utility model, the battery 2 further includes a turnover structure 204, through which the turnover structure 204 enables at least part of the high voltage assembly 203 to extend out of the first chamber 2023, one end of the turnover structure 204 is connected to the bottom plate 2031 of the high voltage assembly 203 to improve the connection reliability of the turnover structure 204 and the high voltage assembly 203, and the other end of the turnover structure 204 is connected to the case 202 to improve the connection strength of the turnover structure 204 and the first chamber 2023 to improve the reliability of the battery 2.

In some embodiments, as shown in fig. 4 and 5, the dimension of the bottom plate 2031 in the first direction X is greater than the dimension of the bottom plate 2031 in the second direction Y, the first direction X intersects the second direction Y, and the flip structure 204 is disposed at one side edge of the bottom plate 2031 in the second direction Y.

One of the first direction X and the second direction Y is a longitudinal direction of the bottom plate 2031, and the other is a width direction of the bottom plate 2031.

In the technical solution of the embodiment of the present utility model, the dimension of the bottom plate 2031 in the first direction X is greater than the dimension of the bottom plate 2031 in the second direction Y, and the turning structure 204 is disposed at one side edge of the bottom plate 2031 in the second direction Y, so that when the turning structure 204 turns out of the first chamber 2023 around one side edge of the bottom plate 2031 in the second direction Y, a larger operation space can be obtained, and the user can conveniently perform operations such as maintenance or replacement on the high voltage assembly 203.

In some embodiments, as shown in fig. 4-6, the first chamber 2023 includes a first end and a second end disposed opposite one another in a third direction Z, the high pressure assembly 203 further includes a component 2033 disposed on a side of the base 2031 proximate the first end, the third direction Z intersects the first direction X, the high pressure assembly 203 is configured in the deployed state, and the high pressure assembly 203 extends out of the first chamber 2023 from the second end of the first chamber 2023.

Alternatively, in the electric vehicle, the battery 2 is connected to the vehicle floor 2031 through the first end of the case 202, and if the high voltage assembly 203 needs to be extended from the first end of the first chamber 2023, the case 202 needs to be detached from the vehicle floor 2031, which is complicated in process and difficult to operate.

In the technical solution of the embodiment of the present utility model, the first chamber 2023 includes a first end and a second end that are oppositely disposed in the third direction Z, the high-voltage assembly 203 further includes a component 2033 disposed on a side of the bottom plate 2031 near the first end, and the high-voltage assembly 203 is configured in a deployed state, where the high-voltage assembly 203 extends out of the first chamber 2023 from the second end of the first chamber 2023, so that the problem of interference between the component 2033 and a frame of the first chamber 2023 is not generated during the overturning process, so that the high-voltage assembly 203 can be overturned out of the first chamber 2023 to a greater extent, so that a larger operation space can be obtained when a user performs operations such as overhauling or replacing the high-voltage assembly 203, the operation difficulty is reduced, and the practicability of the battery 2 is improved.

In some embodiments, as shown in fig. 5 and 6, a first connecting member 2032 is further provided on the bottom plate 2031, and a second connecting member 2025 is provided on a frame of the first chamber 2023, and the first connecting member 2032 and the second connecting member 2025 are detachably connected.

Optionally, the first connecting piece 2032 and the second connecting piece 2025 are a clamping groove and a buckle, respectively, and the bottom plate 2031 is detachably connected to the first chamber 2023 in a clamping manner.

Optionally, the first connecting member 2032 and the second connecting member 2025 are connected by bolts to improve the connection strength of the bottom plate 2031 and the frame of the first chamber 2023.

In the technical solution of the embodiment of the present utility model, the frame of the first chamber 2023 is provided with the second connecting member 2025, and the first connecting member 2032 and the second connecting member 2025 are detachably connected, so as to reduce the risk of the high voltage assembly 203 vibrating in the first chamber 2023 or the high voltage assembly 203 accidentally turning out of the first chamber 2023, resulting in the failure of the battery 2, and improve the reliability of the battery 2.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a turnover structure of a battery according to an embodiment of the present utility model.

In some embodiments, as shown in fig. 6 and 7, the turnover structure 204 includes two connection portions 2041 disposed side by side and a rotating shaft 2042 disposed between the two connection portions 2041, the two connection portions 2041 are rotatably disposed around the rotating shaft 2042, one connection portion 2041 is connected to the bottom plate 2031, and the other connection portion 2041 is connected to the frame of the first chamber 2023.

Optionally, the bottom plate 2031 is provided with protrusions on two side edges of the bottom plate in the first direction X, the first chamber 2023 is provided with grooves on two side walls of the first direction X, the protrusions are accommodated in the grooves, and the protrusions and the grooves can rotate relatively. Illustratively, the projection is a cylindrical shaft and the recess is a cylindrical shaft groove.

By simultaneously arranging the overturning structure 204 and the bump groove structure, the stability of the overturning process of the bottom plate 2031 through the overturning structure 204 is improved, and vibration of the bottom plate 2031 in the overturning process is reduced. Alternatively, the flipping structures 204 and the bump recess structures may be provided separately.

Optionally, a through hole is formed on the connecting portion 2041, threaded holes are formed on the rims of the bottom plate 2031 and the first chamber 2023, and the connecting portion 2041 and the bottom plate 2031 are connected with the rims of the first chamber 2023 by bolts.

In the technical solution of the embodiment of the present utility model, the turnover structure 204 includes two connecting portions 2041 which are respectively connected to the bottom plate 2031 and the frame of the first chamber 2023 and are arranged side by side, and the two connecting portions 2041 are rotatably arranged around the rotation shaft 2042, so that the high voltage assembly 203 can be turned out of the first chamber 2023 through the turnover structure 204, thereby reducing the difficulty of the user in performing operations such as maintenance or replacement on the high voltage assembly 203, and improving the practicality of the battery 2.

Referring to fig. 6 and 8, fig. 8 is a schematic structural diagram of a battery according to an embodiment of the utility model.

In some embodiments, as shown in fig. 6 and 8, the battery 2 further includes a first cover plate 2026 for covering the first chamber 2023.

Optionally, a seal is provided on the first cover 2026 to ensure tightness of the first chamber 2023. Illustratively, the seal is a seal ring.

In the technical solution of the embodiment of the present utility model, the battery 2 further includes a first cover plate 2026 for covering the first chamber 2023, where the first cover plate 2026 can protect the high voltage assembly 203 and seal the first chamber 2023, so as to improve the practicality of the battery 2. Referring to fig. 6 and 9, fig. 9 is a schematic view of a battery structure in a unfolded state of a high-voltage assembly according to an embodiment of the utility model.

In some embodiments, as shown in fig. 6 and 9, the first cover 2026 is movably connected to the case 202, and the first cover 2026 is fixedly connected to the high-pressure assembly 203, so that the first cover 2026 can move synchronously with the high-pressure assembly 203.

When the high-pressure assembly 203 needs to be maintained and replaced, only the connection structure on the first cover plate 2026 and the box 202 needs to be separated, and then the first cover plate 2026 and the box 202 are relatively moved, so that the high-pressure assembly 203 can extend out of the first chamber 2023.

Optionally, the first cover 2026 and the high-pressure assembly 203 are connected by one of bolting, clamping, bonding, riveting, or welding. The first cover plate 2026 is fixedly connected to the high-voltage assembly 203, so as to reduce the risk of the high-voltage assembly 203 shaking in the first chamber 2023 under the action of external force, which results in the failure of the battery 2.

Alternatively, the first cover 2026 and the case 202 are connected by a rotation shaft or a hinge so that the first cover 2026 and the case 202 can move relatively.

Optionally, the high pressure assembly 203 is disposed in a middle area of the first cover 2026, that is, when a sealing ring is disposed on the first cover 2026, the bottom plate 2031 of the high pressure assembly 203 and the sealing ring are disposed in a staggered manner, so as to avoid the sealing performance of the first cover 2026 from being damaged by the high pressure assembly 203.

In the technical scheme of the embodiment of the utility model, the first cover plate 2026 is movably connected with the box 202, and the first cover plate 2026 is fixedly connected with the high-voltage assembly 203, so that the first cover plate 2026 and the high-voltage assembly 203 synchronously move, the operation flows of maintenance, replacement and the like of the high-voltage assembly 203 are simplified, and the practicability of the battery 2 is improved.

Referring to fig. 10, fig. 10 is a schematic view illustrating a battery structure in a unfolded state of a high voltage assembly according to another embodiment of the present utility model.

In some embodiments, as shown in fig. 10, the first cover 2026 is detachably connected to the case 202.

The first cover 2026 is detachably connected to the housing 202, and when the high-pressure assembly 203 needs to be maintained and replaced, the first cover 2026 is separated from the housing 202, and then the high-pressure assembly 203 protrudes out of the first chamber 2023 through the turnover structure 204.

The first cover plate 2026 is detachably connected with the box 202, and the second cover plate 2027 is detachably connected with the box 202, so that a movable connecting piece is not required to be arranged between the first cover plate 2026 and the box 202, a gap for the movable connecting piece to move is not required to be arranged between the first cover plate 2026 and the second cover plate 2027, and the sealing performance of the battery 2 is improved.

Optionally, the first cover 2026 and the case 202 are connected by bolting or clamping.

In the technical scheme of the embodiment of the utility model, the first cover plate 2026 is detachably connected to the box 202, so that the overall preparation difficulty of the battery 2 is reduced, the preparation efficiency of the battery 2 is improved, and the problem that the tightness of the battery 2 is damaged due to the arrangement of the movable connecting piece is solved by the detachable connection of the first cover plate 2026 to the box 202.

In some embodiments, as shown in fig. 6 and 8, the case 202 further includes a second chamber (not shown) for accommodating a battery cell (not shown), and the battery 2 further includes a second cover 2027, where the second cover 2027 is configured to cover the second chamber.

Optionally, the first chamber 2023 and the second chamber are the same or different in shape.

Alternatively, the first chamber 2023 and the second chamber are arranged in the longitudinal direction of the casing 202, or the first chamber 2023 and the second chamber are arranged in the width direction of the casing 202.

Optionally, a seal is provided on the second cover 2027 to ensure tightness of the second chamber. Illustratively, the seal is a seal ring.

In the technical solution of the embodiment of the present utility model, the case 202 includes a first chamber 2023 and a second chamber, the high voltage assembly 203 is accommodated in the first chamber 2023, the battery cell is accommodated in the second chamber, and the high voltage assembly 203 and the battery cell are respectively disposed in separate chambers, so that the risk of damage to one of the high voltage assembly 203 and the battery cell during maintenance of the other is reduced; the battery 2 further comprises a second cover plate 2027, the second cover plate 2027 is covered on the second chamber, the first cover plate 2026 is covered on the first chamber 2023, so that only the first cover plate 2026 needs to be disassembled when the high-voltage assembly 203 needs to be maintained, only the second cover plate 2027 needs to be disassembled when the battery monomer needs to be maintained, the whole cover plate does not need to be disassembled, the maintenance process is simplified, the problem that the interface damage is caused due to the fact that the whole cover plate is disassembled, and the whole tightness of the battery 2 is affected is solved, and the practicability of the battery 2 is improved.

In a second aspect, an embodiment of the present utility model provides an electrical device, including a battery provided in the embodiment of the first aspect.

In some embodiments, as shown in fig. 1 to 10, the battery 2 includes a case 202 and a high voltage assembly 203, the case 202 is formed with a first chamber 2023 and a second chamber, the high voltage assembly 203 is accommodated in the first chamber 2023, and a battery unit is accommodated in the second chamber, wherein the battery 2 further includes a first cover plate 2026 and a second cover plate 2027, the first cover plate 2026 covers the first chamber 2023, the second cover plate 2027 covers the second chamber, the first cover plate 2026 is detachably connected to the case 202, the high voltage assembly 203 includes a bottom plate 2031, a dimension of the bottom plate 2031 in a first direction X is larger than a dimension of the bottom plate 2031 in a second direction Y, the battery 2 further includes a turnover structure 204, one end of the turnover structure 204 is disposed at an edge of the bottom plate 2031 in the second direction Y, and the other end of the turnover structure 204 is connected to the case 202.

In the technical solution of the embodiment of the present utility model, the battery 2 includes a case 202 and a high-voltage assembly 203, the case 202 is formed with a first chamber 2023, the high-voltage assembly 203 is movably connected to the case 202, the high-voltage assembly 203 has a storage state that is fully contained in the first chamber 2023, so that when maintenance and replacement are not required, the high-voltage assembly 203 is contained in the first chamber 2023 of the case 202, the case 202 has an effect of protecting and containing the high-voltage assembly 203, and the high-voltage assembly 203 further includes a deployed state that at least part of the high-voltage assembly 203 extends out of the first chamber 2023, so that when maintenance and replacement of the high-voltage assembly 203 are required, at least part of the high-voltage assembly 203 extends out of the first chamber 2023, so as to solve the problem that the operation space is narrow due to the limited size of the case 202, so that maintenance, replacement and other operations of the high-voltage assembly 203 are difficult, thereby contributing to improving the practicality of the battery 2.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A battery, comprising:

a case body having a first chamber formed therein;

the high-pressure assembly is movably connected with the box body and is provided with a storage state fully contained in the first chamber and a unfolding state at least partially extending out of the first chamber.

2. The battery of claim 1, further comprising a flip structure, wherein the high voltage assembly comprises a base plate, wherein one end of the flip structure is connected to the base plate, and wherein the other end of the flip structure is connected to the case.

3. The battery of claim 2, wherein the dimension of the base plate in a first direction is greater than the dimension of the base plate in a second direction, the first direction intersecting the second direction, the flip structure being disposed at a side edge of the base plate in the second direction.

4. The battery of claim 3, wherein the first chamber includes a first end and a second end disposed opposite each other in a third direction, the high voltage assembly further includes a component disposed on a side of the base plate adjacent to the first end, the third direction intersecting the first direction,

the high pressure assembly is configured to extend from the second end of the first chamber out of the first chamber in the deployed state.

5. The battery of claim 2, wherein the turnover structure includes two connection portions arranged side by side and a rotation shaft arranged between the two connection portions, the two connection portions are rotatably arranged around the rotation shaft, one connection portion is connected to the bottom plate, and the other connection portion is connected to a frame of the first chamber.

6. The battery of claim 1, wherein the battery further comprises:

the first cover plate is used for covering the first cavity.

7. The battery of claim 6, wherein the first cover plate is movably connected to the housing and the first cover plate is fixedly connected to the high voltage assembly such that the first cover plate is capable of moving synchronously with the high voltage assembly.

8. The battery of claim 6, wherein the first cover is removably attached to the housing.

9. The battery of claim 6, wherein the housing further comprises a second chamber for receiving a battery cell, the battery further comprising a second cover for covering the second chamber.

10. An electrical device comprising a battery as claimed in any one of claims 1 to 9.