CN219716979U

CN219716979U - Shell, battery pack and power consumption device

Info

Publication number: CN219716979U
Application number: CN202320534065.9U
Authority: CN
Inventors: 王海龙; 张帆; 侯海涛
Original assignee: Suzhou Shidai Xin'an Energy Technology Co ltd
Current assignee: Suzhou Shidai Xin'an Energy Technology Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-09-19
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a shell, a battery pack and an electric device. The shell is used for a battery pack and comprises a main shell body, a first radiator and a second radiator, wherein the main shell body comprises a containing cavity for containing the battery module and the control module; the first radiator is arranged in the accommodating cavity and used for radiating heat of the battery module; the second radiator is arranged in the accommodating cavity and used for radiating heat of the control module. According to the shell, the battery pack and the power utilization device, accurate thermal management of the battery module and the control module can be achieved.

Description

Shell, battery pack and power consumption device

Technical Field

The utility model belongs to the technical field of batteries, and particularly relates to a shell, a battery pack and an electric device.

Background

Batteries are widely used as power supply devices in power utilization devices. In the prior art, a battery module and a control module are generally integrated together to form a battery pack. In the use of the battery pack, the too high and too low temperature is unfavorable for the stable operation of the battery pack, but because the battery pack operates, both the battery module and the control module can generate heat, so that the battery module and the control module cannot be subjected to accurate thermal management.

Disclosure of Invention

The embodiment of the utility model provides a shell, a battery pack and an electric device, which can realize accurate thermal management of a battery module and a control module.

An embodiment of a first aspect of the present utility model provides a housing for a battery pack, including a main housing, a first heat sink, and a second heat sink, the main housing including a receiving cavity for receiving a battery module and a control module; the first radiator is arranged in the accommodating cavity and used for radiating heat of the battery module; the second radiator is arranged in the accommodating cavity and used for radiating heat of the control module.

According to an embodiment of the first aspect of the present utility model, the housing further comprises a heat insulating layer dividing the housing cavity into a first chamber for housing the battery module and a second chamber for housing the control module.

According to any one of the embodiments of the first aspect of the present utility model, the first heat sink is disposed in the first chamber, and the second heat sink is disposed in the second chamber.

According to any one of the embodiments of the first aspect of the present utility model, the first heat sink is a liquid cooling plate, and the liquid cooling plate is used for adhering to the surface of the battery module.

According to any one of the embodiments of the first aspect of the present utility model, the second radiator is a liquid cooling plate, and the liquid cooling plate is used for being attached to the surface of the control module; or, the second radiator is a heat dissipation pipeline.

According to any of the foregoing embodiments of the first aspect of the present utility model, the first heat sink includes a first medium inlet and a first medium outlet, the second heat sink includes a second medium inlet and a second medium outlet, the first medium inlet and the first medium outlet are located on one side of the main housing in the first direction, and the second medium inlet and the second medium outlet are located on the other side of the main housing in the first direction.

An embodiment of a second aspect of the present utility model provides a battery pack, including a battery module, a control module, and a housing according to any one of the embodiments of the first aspect, where the battery module is disposed in the accommodating cavity and connected to the first heat sink; the control module is arranged in the accommodating cavity and connected with the second radiator.

According to an embodiment of the second aspect of the present utility model, the second radiator is a heat dissipating pipe, the control module includes a first surface and a second surface opposite to each other, and a third surface connecting the first surface and the second surface, and the heat dissipating pipe extends along the first surface, the third surface, and the second surface.

According to any one of the foregoing embodiments of the second aspect of the present utility model, the first heat sink is a liquid cooling plate, the battery module includes a fourth surface and a fifth surface opposite to each other, the number of the liquid cooling plates is 2, and the two liquid cooling plates are respectively attached to the fourth surface and the fifth surface.

An embodiment of a third aspect of the present utility model provides an electrical device configured to receive electrical energy provided from a battery pack of any one of the embodiments of the second aspect.

The shell of the embodiment of the utility model comprises a main shell, a first radiator and a second radiator, wherein the main shell comprises a containing cavity for containing the battery module and the control module; the first radiator is arranged in the accommodating cavity and used for radiating heat of the battery module; the second radiator is arranged in the accommodating cavity and used for radiating heat of the control module. According to the embodiment of the utility model, the first radiator and the second radiator are respectively used for radiating the battery module and the control module, the first radiator and the second radiator do not interfere with each other and work independently, so that the accurate thermal management of the battery module and the control module is realized.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are needed to be used in the embodiments of the present utility model will be briefly described, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort.

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

FIG. 2 is a schematic view of another housing according to an embodiment of the first aspect of the present utility model;

fig. 3 is a schematic structural view of a battery pack according to a second embodiment of the present utility model.

Reference numerals:

10. a housing; 1. a main housing; 11. a housing chamber; 111. a first chamber; 112. a second chamber; 2. a first heat sink; 21. a first medium inlet; 22. a first medium outlet; 3. a second heat sink; 31. a second medium inlet; 32. a second medium outlet; 4. a thermal insulation layer; 100. a battery pack; 20. a battery module; 201. a fourth surface; 202. a fifth surface; 30. a control module; 301. a first surface; 302. a second surface; 303. a third surface; x, first direction.

Detailed Description

Features and exemplary embodiments of various aspects of the present utility model will be described in detail below, and in order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the particular embodiments described herein are meant to be illustrative of the utility model only and not limiting. It will be apparent to one skilled in the art that the present utility model may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the utility model by illustrating examples thereof, and in the drawings and the following description, at least some well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present utility model; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In this context, unless otherwise indicated, the meaning of "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like are merely used for convenience in describing the present utility model and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. Moreover, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.

The directional terms appearing in the following description are all directions shown in the drawings and do not limit the specific structure of the embodiment of the present utility model. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. It will be understood that when a layer, an area, or a structure is described as being "on" or "over" another layer, another area, it can be referred to as being directly on the other layer, another area, or another layer or area can be included between the layer and the other layer, another area. And if the component is turned over, that layer, one region, will be "under" or "beneath" the other layer, another region. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

Batteries are widely used as power supply devices in power utilization devices. In the prior art, a battery module and a control module are generally integrated together to form a battery pack. In the use of the battery pack, the over-high and low temperature is unfavorable for the stable operation of the battery pack, but when the battery pack operates, the battery module and the control module can generate heat, and the existing mode generally sets a radiator to radiate the whole battery pack, and due to the difference of heat generated by the battery in groups and the control module, the battery module and the control module cannot be accurately thermally managed, so that the stable operation of the battery pack is influenced.

In order to solve the problems, the embodiment of the utility model provides a shell, a battery pack and an electric device, which can realize accurate thermal management of a battery module and a control module. Embodiments of the present utility model will be described below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the first aspect of the present utility model provides a housing 10 for a battery pack, including a main housing 1, a first heat sink 2 and a second heat sink 3, wherein the main housing 1 includes a receiving cavity 11 for receiving a battery module and a control module; the first radiator 2 is arranged in the accommodating cavity 11 and used for radiating heat of the battery module; the second radiator 3 is disposed in the accommodating cavity 11 and is used for radiating heat from the control module.

The first radiator 2 and the second radiator 3 are distributed at intervals in the accommodating cavity 11 so as to reduce or avoid heat transfer between the first radiator 2 and the second radiator 3, the first radiator 2 and the second radiator 3 are connected with the main shell 1, and optionally, the first radiator 2 and the second radiator 3 are connected with the inner wall surface of the main shell 1 by threads so as to fix the first radiator 2 and the second radiator 3 and facilitate disassembly and maintenance. Optionally, the main housing 1 includes a first housing and a second housing, where the first housing and the second housing are mutually covered to form the accommodating cavity 11.

The housing 10 in the embodiment of the utility model is respectively used for radiating heat of the battery module and the control module by arranging the first radiator 2 and the second radiator 3, and the first radiator 2 and the second radiator 3 do not interfere with each other and work independently, so that the accurate thermal management of the battery module and the control module is realized.

Referring to fig. 2, in some alternative embodiments, the housing 10 further includes a heat insulation layer 4, where the heat insulation layer 4 divides the accommodating cavity 11 into a first cavity 111 and a second cavity 112, the first cavity 111 is used for accommodating the battery module, and the second cavity 112 is used for accommodating the control module.

The heat insulating layer 4 serves to block heat transfer between the battery module and the control module. The optional heat insulation layer 4 is a heat insulation plate, and the edge of the heat insulation plate is connected with the inner wall surface of the main shell 1. Optionally, the material of the insulating layer 4 is glass fiber, asbestos, rock wool, silicate, aerogel felt, vacuum plate, etc. In some embodiments, the heat insulating layer 4 is attached to a surface of at least one of the battery module and the control module to block heat transfer between the battery module and the control module.

In these alternative embodiments, the heat insulating layer 4 is provided, and the battery module and the control module are respectively arranged at two sides of the heat insulating layer 4, so that heat transfer between the battery module and the control module is blocked, and heat management disorder between the battery module and the control module is avoided, thereby more accurately performing heat management on the battery module and the control module.

In some alternative embodiments, the first heat sink 2 is disposed in the first chamber 111 and the second heat sink 3 is disposed in the second chamber 112.

The first radiator 2 and the second radiator 3 can be connected with the main shell 1 and also can be connected with the heat insulation layer 4, the first radiator 2 and the second radiator 3 respectively carry out heat management on the battery module and the control module, the first radiator 2 and the second radiator 3 are also respectively arranged in the first cavity 111 and the second cavity 112, heat transfer between the first radiator 2 and the second radiator 3 is reduced or avoided, and the accuracy of heat management on the battery module and the control module is further improved.

In some alternative embodiments, the first radiator 2 is a liquid cooling plate, and the liquid cooling plate is used for being attached to the surface of the battery module. The liquid cooling plate is internally provided with a circulating pipeline, a heat dissipation medium is filled in the circulating pipeline, and the heat dissipation medium flows in the circulating pipeline so as to take away the heat on the surface of the battery module.

In these alternative embodiments, the liquid cooling plate is used as the first radiator 2 to radiate heat to the battery module, and the battery module is generally in a regular shape, for example, a rectangle, the liquid cooling plate and the surface of the battery module can be well attached, and the heat radiating area of the liquid cooling plate is large, so that the battery module can be well radiated.

In some alternative embodiments, the second radiator 3 is a liquid cooling plate, and the liquid cooling plate is used for being attached to the surface of the control module; alternatively, the second radiator 3 is a heat dissipation pipe. The heat dissipation pipeline and the liquid cooling plate are both used for being in contact with the surface of the control module, and heat is taken away through heat dissipation mediums in the heat dissipation pipeline and the liquid cooling plate.

In these alternative embodiments, the heat dissipation pipeline or the liquid cooling plate is used as the second radiator 3 to dissipate heat of the control module, the heat dissipation effect of the liquid cooling plate is good, the control module can be dissipated more quickly and accurately, the heat dissipation pipeline is arranged more flexibly, and the control module with different shapes can be adapted.

In some alternative embodiments, the first heat sink 2 comprises a first medium inlet 21 and a first medium outlet 22, and the second heat sink 3 comprises a second medium inlet 31 and a second medium outlet 32, the first medium inlet 21 and the first medium outlet 22 being located on one side of the main housing 1 in the first direction X, the second medium inlet 31 and the second medium outlet 32 being located on the other side of the main housing 1 in the first direction X.

In these alternative embodiments, the first medium inlet 21, the first medium outlet 22, and the second medium inlet 31 and the second medium outlet 32 are respectively provided for injecting and removing the heat dissipation medium into the first radiator 2 and the second radiator 3, and the first medium inlet 21 and the first medium outlet 22, and the second medium inlet 31 and the second medium outlet 32 are respectively located at opposite sides of the main casing 1, so that the influence between the first radiator 2 and the second radiator 3 is further reduced or avoided, thereby realizing the heat management to the battery module and the control module more precisely.

Referring to fig. 3, a battery pack according to a second embodiment of the present utility model includes a battery module 20, a control module 30, and the housing 10 according to any of the foregoing first embodiment, where the battery module 20 is disposed in the accommodating cavity 11 and connected to the first heat sink 2; the control module 30 is disposed in the accommodating cavity 11 and connected to the second heat sink 3. The battery module 20 may include a plurality of battery cells, which are sequentially arranged. The battery monomer can be a cadmium-nickel battery monomer, a hydrogen-nickel battery monomer, a lithium ion battery monomer and a secondary alkaline zinc-manganese battery monomer. The control module 30 may be a domain control module. The battery pack 100 has the relevant structure of the housing 10 according to the first embodiment, and the housing 10 provided in each of the foregoing embodiments has the beneficial effects of the housing 10, and is not repeated herein.

In some alternative embodiments, the second heat sink 3 is a heat dissipating conduit, and the control module 30 includes opposing first 301 and second 302 surfaces, and a third surface 303 connecting the first 301 and second 302 surfaces, the heat dissipating conduit extending along the first 301, third 303, and second 302 surfaces. That is to say, the heat dissipation pipeline is a U-shaped pipeline.

In these alternative embodiments, the heat dissipation pipes are distributed on three surfaces of the control module 30 to form a U-shaped loop, so that the contact area between the heat dissipation pipes and the control module 30 is increased, and the heat dissipation efficiency is improved.

In some alternative embodiments, the first radiator 2 is a liquid cooling plate, and the battery module 20 includes a fourth surface 201 and a fifth surface 202 opposite to each other, where the number of liquid cooling plates is 2, and the two liquid cooling plates are respectively attached to the fourth surface 201 and the fifth surface 202. The two liquid cooling plates can be connected in parallel and work independently, and can also be connected in series, and the heat dissipation medium flows through the two liquid cooling plates in sequence.

In these alternative embodiments, two liquid cooling plates are provided and respectively attached to the fourth surface 201 and the fifth surface 202 of the battery module 20, so that the contact area between the first radiator 2 and the battery module 20 is increased, and the heat dissipation efficiency is improved.

An embodiment of a third aspect of the present utility model provides an electrical device configured to receive electrical energy provided from the battery pack 100 of any one of the embodiments of the second aspect. 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.

The power utilization device has the related structure of the battery pack 100 according to the second embodiment, and the battery pack 100 provided in each embodiment can have all the beneficial effects of the battery pack 100 described above, and will not be described herein.

In accordance with the above embodiments of the utility model, these embodiments are not exhaustive of all details, nor are they intended to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model and various modifications as are suited to the particular use contemplated. It should be understood that the scope of the present utility model is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present utility model, and they should be included in the scope of the present utility model.

Claims

1. A housing for a battery pack, comprising:

the main shell comprises an accommodating cavity for accommodating the battery module and the control module;

the first radiator is arranged in the accommodating cavity and used for radiating heat of the battery module;

the second radiator is arranged in the accommodating cavity and used for radiating heat of the control module.

2. The housing of claim 1, further comprising a thermal insulating layer dividing the receiving cavity into a first chamber for receiving the battery module and a second chamber for receiving the control module.

3. The housing of claim 2, wherein the first heat sink is disposed in the first chamber and the second heat sink is disposed in the second chamber.

4. The housing of claim 1, wherein the first heat sink is a liquid cooled plate and the liquid cooled plate is adapted to be attached to the surface of the battery module.

5. The housing of claim 1, wherein the second heat sink is a liquid cooled plate for conforming to a surface of the control module;

or, the second radiator is a heat dissipation pipeline.

6. The enclosure of claim 1, wherein the first heat sink includes a first media inlet and a first media outlet, and the second heat sink includes a second media inlet and a second media outlet, the first media inlet and the first media outlet being located on one side of the main housing in a first direction, the second media inlet and the second media outlet being located on the other side of the main housing in the first direction.

7. A battery pack, comprising:

the housing of any one of claims 1 to 6;

the battery module is arranged in the accommodating cavity and connected with the first radiator;

and the control module is arranged in the accommodating cavity and is connected with the second radiator.

8. The battery pack of claim 7, wherein the second heat sink is a heat sink channel, the control module includes opposing first and second surfaces, and a third surface connecting the first and second surfaces, the heat sink channel extending along the first, third, and second surfaces.

9. The battery pack according to claim 7, wherein the first radiator is a liquid cooling plate, the battery module comprises a fourth surface and a fifth surface which are opposite, the number of the liquid cooling plates is 2, and the two liquid cooling plates are respectively attached to the fourth surface and the fifth surface.

10. An electrical consumer, characterized in that the electrical consumer is configured to receive electrical energy provided from the battery pack of any one of claims 7 to 9.