CN216980730U - Battery pack and electric equipment - Google Patents
Battery pack and electric equipment Download PDFInfo
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- CN216980730U CN216980730U CN202220676824.0U CN202220676824U CN216980730U CN 216980730 U CN216980730 U CN 216980730U CN 202220676824 U CN202220676824 U CN 202220676824U CN 216980730 U CN216980730 U CN 216980730U
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Abstract
The utility model discloses a battery pack and electric equipment, wherein the battery pack comprises: the solar water heater comprises a shell, a plurality of battery modules, a first water guide pipe and a second water guide pipe, wherein a cavity is formed in the shell, a water inlet and a water outlet are formed in an upper cover of the shell, the battery modules are arranged in the shell in parallel along the height direction vertical to the shell, and a water cooling plate is arranged on each battery module; the first water guide pipe is communicated with the water cooling plate of each battery module and is communicated with the water inlet; the second water guide pipe is communicated with the water cooling plate of each battery module and is communicated with the water outlet; wherein, first aqueduct and second aqueduct all set up in the top of a plurality of battery module. Because the battery package is last to have the water-cooling board to still have first aqueduct and second aqueduct, first aqueduct and second aqueduct all communicate with the water-cooling board, consequently through first aqueduct and second aqueduct, just can realize the circulation of the cooling water in the water-cooling board, make the battery keep low temperature, reduce the probability that the battery package takes place thermal runaway.
Description
Technical Field
The embodiment of the utility model relates to the field of batteries, in particular to a battery pack and electric equipment.
Background
With the rapid development of electric vehicles, the requirements on energy density and safety of battery packs are higher and higher, and the trend of increasing the energy density and reducing the cost of the battery packs is that the battery packs are made larger.
The inventor finds that the current battery pack is easy to generate thermal runaway when the battery pack is improperly used, and particularly in summer, the battery pack can generate serious thermal runaway due to outdoor high temperature and high temperature generated in the battery pack when a vehicle runs, and even a fire can be caused to cause spontaneous combustion of the whole vehicle.
Therefore, cooling of the battery pack is a problem that needs to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery pack and electric equipment, which can cool the battery pack and reduce the probability of thermal runaway of the battery pack.
In order to solve the above technical problem, an embodiment of the present invention provides a battery pack, including:
the water-saving device comprises a shell, a water inlet and a water outlet, wherein a cavity is formed in the shell, and the upper cover of the shell is provided with the water inlet and the water outlet;
the battery modules are arranged in the shell in parallel along the height direction perpendicular to the shell, and water cooling plates are arranged on the battery modules;
the first water guide pipe is communicated with the water cooling plate of each battery module and is communicated with the water inlet;
the second water guide pipe is communicated with the water cooling plate of each battery module and is communicated with the water outlet;
the first water guide pipe and the second water guide pipe are arranged above the plurality of battery modules.
Compared with the prior art, the battery pack is provided with the water cooling plate, the first water guide pipe and the second water guide pipe are communicated with the water cooling plate, the first water guide pipe is communicated with the water inlet in the shell, and the second water guide pipe is communicated with the water outlet in the shell, so that the circulation of cooling water in the water cooling plate can be realized through the first water guide pipe and the second water guide pipe, the battery keeps low temperature, and the probability of thermal runaway of the battery pack is reduced.
In one embodiment, the battery module further includes:
a module case;
the batteries are arranged in the module shell;
the water cooling plate is arranged in the module shell, is positioned above the plurality of batteries and is abutted against the batteries.
In one embodiment, the water cooling plate is integrated on the cover plate of the module case.
In an embodiment, the first water introduction duct and the second water introduction duct each include:
the connecting pipes are arranged along the arrangement direction of the battery modules;
the water receiving pipes are communicated with the connecting pipes, the number of the water receiving pipes is equal to that of the battery modules, the water receiving pipes correspond to the battery modules one by one, and the water receiving pipes are communicated with the water cooling plates of the battery modules corresponding to the water receiving pipes respectively;
the main pipe is communicated with the connecting pipe and is communicated with the water inlet or the water outlet;
the plurality of water receiving pipes are arranged below the connecting pipe, and the header pipe is arranged above the connecting pipe.
In one embodiment, the water inlet and the water outlet are oppositely arranged along a direction perpendicular to the arrangement direction of the battery modules;
the first water guide pipe and the second water guide pipe are oppositely arranged along the arrangement direction perpendicular to the battery modules, the first water guide pipe is arranged below the water inlet, and the second water guide pipe is arranged below the water outlet.
In an embodiment, the water inlet and the water outlet are both provided with a sealing ring.
In one embodiment, the water-cooled panel includes:
the plate body is provided with a water cooling channel which is spirally and reciprocally arranged;
the water inlet and the water outlet are oppositely arranged at two ends of the water cooling channel;
the water inlets of two adjacent battery modules are opposite and are arranged next to each other, and the water outlets of two adjacent battery modules are opposite and are arranged next to each other.
In one embodiment, the water cooling plate comprises an upper plate and a lower plate, the upper plate and the lower plate are oppositely arranged and overlapped, and parts of the central areas of the upper plate and the lower plate protrude in the direction away from each other to form a water cooling channel;
wherein, the lower plate is made of plastic and has a thickness of 0.8-1.5 mm.
In one embodiment, the material of the upper plate is aluminum.
The utility model also provides electric equipment which comprises the battery pack.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is an exploded view of a battery pack in an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is an exploded view of a battery module according to an embodiment of the present invention;
fig. 4 is an exploded view of the battery module according to the embodiment of the present invention after the upper cover is removed;
FIG. 5 is a schematic structural diagram of a water-cooling plate according to an embodiment of the present invention;
fig. 6 is an enlarged view at B in fig. 5.
Description of reference numerals:
1. a housing; 11. a cavity; 12. an upper cover; 13. a water inlet; 14. a water outlet; 2. a battery module; 21. a water-cooling plate; 211. a plate body; 212. a water inlet; 213. a water outlet; 214. a water-cooling channel; 215. an upper plate; 216. a lower plate; 22. a module case; 221. a cover plate; 23. a battery; 3. a first water conduit; 51. a connecting pipe; 52. a water receiving pipe; 53. a main pipe; 6. and (5) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.
Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings in order to more clearly understand the objects, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.
In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.
An embodiment of the present invention of a battery 23 pack is described below with reference to the drawings, as shown in fig. 1 to 4, the battery 23 pack including: the solar water heater comprises a shell 1, a plurality of battery 23 modules 2, a first water guide pipe 3 and a second water guide pipe, wherein a cavity 11 is formed in the shell 1, a water inlet 13 and a water outlet 14 are formed in an upper cover 12 of the shell 1, the battery 23 modules 2 are arranged in the shell 1 in parallel along the height direction perpendicular to the shell 1, and a water cooling plate 21 is arranged on each battery 23 module 2. The first water guide pipes 3 are communicated with the water cooling plates 21 of the battery 23 modules 2 and communicated with the water inlet 13, and the second water guide pipes are communicated with the water cooling plates 21 of the battery 23 modules 2 and communicated with the water outlet 14. The first water introduction duct 3 and the second water introduction duct are both disposed above the plurality of battery 23 modules 2.
Because battery 23 wraps and has water cooling board 21, and still has first aqueduct 3 and second aqueduct, first aqueduct 3 and second aqueduct all communicate with water cooling board 21, and first aqueduct 3 communicates with water inlet 13 on the casing 1, the delivery port 14 intercommunication on second aqueduct and the casing 1, consequently through first aqueduct 3 and second aqueduct, just can realize the circulation of the cooling water in the water cooling board 21, make battery 23 keep low temperature, reduce battery 23 package and take place the probability of thermal runaway.
In addition, since the water inlet 13 and the water outlet 14 are provided on the upper cover 12 of the case 1 and the first water guide duct 3 and the second water guide duct are both provided above the battery 23 module 2, it is possible to more conveniently install the water guide ducts with the water cooling panel 21 and the upper cover 12.
Specifically, as shown in fig. 3 to 4, the battery 23 module 2 includes a module case 22 and a plurality of batteries 23 in addition to the water-cooling plate 21, the plurality of batteries 23 are arranged in the module case 22, and the water-cooling plate 21 is also located in the module case 22, above the batteries 23, and abuts against the batteries 23.
Preferably, the water-cooling plate 21 is integrated on the cover plate 221 of the module case 22, and specifically, the water-cooling plate 21 may be glued on the cover plate 221, or may be mounted on the cover plate 221 by screws or bolts.
In addition, as shown in fig. 1 to 2, each of the first water introduction duct 3 and the second water introduction duct includes: a connecting pipe 51, a plurality of water receiving pipes 52, and a header pipe 53, the connecting pipe 51 being provided along the arrangement direction of the batteries 23 and the modules 2. Each water receiving pipe 52 is communicated with the connecting pipe 51, the number of the water receiving pipes 52 is equal to the number of the battery 23 modules 2, and the water receiving pipes 52 are in one-to-one correspondence with the water cooling plates 21 of the battery 23 modules 2 corresponding to each water receiving pipe 52. The manifold 53 is communicated with the connecting pipe 51 and is communicated with the water inlet 13 or the water outlet 14, specifically, as shown in fig. 2, the plurality of water receiving pipes 52 are positioned below the connecting pipe 51, and the manifold 53 is positioned above the connecting pipe 51.
Specifically, in the present embodiment, as shown in fig. 1, there are two battery 23 modules 2, and two battery 23 modules 2 are disposed in parallel in the casing 1, so that there are two water receiving pipes 52, the two water receiving pipes 52 are disposed perpendicular to the connecting pipe 51, and the two water receiving pipes 52 are respectively connected to the water cooling plates 21 of the two battery 23 modules 2.
In addition, as shown in fig. 1, the water inlet 13 and the water outlet 14 are disposed opposite to each other in a direction perpendicular to the arrangement direction of the battery modules 2, the first water guide pipe 3 and the second water guide pipe are disposed opposite to each other in a direction perpendicular to the arrangement direction of the battery modules 2, the first water guide pipe 3 is disposed below the water inlet 13, and the second water guide pipe is disposed below the water outlet 14. Specifically, the manifold 53 is provided directly below the water inlet 13 or the water outlet 14.
In addition, as shown in fig. 1, the water inlet 13 and the water outlet 14 are both provided with a sealing ring 6, the water inlet 13 and the water outlet 14 are two through holes opened on the upper cover 12 of the shell 1, and the manifold 53 enters and exits the through holes so as to be connected with the water inlet 13 or the water outlet 14. The battery 23 encloses a cooling water system for electric equipment, such as an electric vehicle, and the manifold 53 communicates with the cooling water system. Specifically, the sealing ring 6 is located on the radial inner side of the through hole, the header pipe 53 and the pipeline of the cooling water system are located on the radial inner side of the sealing ring 6, gaps among the through hole, the header pipe 53 and the pipeline of the cooling water system can be sealed through the sealing ring 6, and the header pipe 53 and the pipeline of the cooling water system can be connected through a quick-change connector.
Of course, in some embodiments, the sealing ring 6 may not be provided.
In addition, as shown in fig. 4 to 6, the water-cooling plate 21 includes: the plate body 211, the water inlet 212 and the water outlet 213 are provided with a water cooling channel 214 which is spirally and reciprocally arranged, the water inlet 212 and the water outlet 213 are oppositely arranged at two ends of the water cooling channel 214, the two water inlets 212 of the two adjacent battery 23 modules 2 are oppositely and closely arranged, and the two water outlets 213 of the two adjacent battery 23 modules 2 are oppositely and closely arranged. Each water receiving pipe 52 of the first water guiding pipe 3 is connected to each water inlet 212, and each water receiving pipe 52 of the second water guiding pipe is connected to each water outlet 14, and since the two water inlets 212 and the two water outlets 213 are disposed close to each other, the connection between the first water guiding pipe 3 and the second water guiding pipe is more convenient.
In addition, as shown in fig. 6, the water cooling plate 21 includes an upper plate 215 and a lower plate 216, the upper plate 215 and the lower plate 216 are oppositely disposed and overlapped with each other, and a central area of the upper plate 215 and the lower plate 216 is partially protruded in a direction away from each other to form the water cooling passage 214.
Specifically, the lower plate 216 is made of plastic and has a thickness of 0.8 to 1.5mm, preferably 0.9 to 1.1 mm. Because the lower plate 216 is made of plastic and is very thin, when the battery 23 is in thermal runaway, a large amount of heat generated by the battery 23 can melt through the lower plate 216, and the cooling water in the water cooling channel 214 can be poured onto the battery 23 in thermal runaway, so that the heat is prevented from flowing into other batteries 23, and the thermal runaway of the whole battery 23 is avoided.
In addition, the material of the upper plate 215 is preferably aluminum.
The utility model also provides an electric device which comprises the battery 23 package in the embodiment, and specifically, the electric device can be an electric automobile.
While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.
These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.
Claims (10)
1. A battery pack, comprising:
the water inlet and the water outlet are arranged on an upper cover of the shell;
the battery modules are arranged in the shell in parallel along the height direction perpendicular to the shell, and water cooling plates are arranged on the battery modules;
the first water guide pipe is communicated with the water cooling plate of each battery module and is communicated with the water inlet;
the second water guide pipe is communicated with the water cooling plate of each battery module and is communicated with the water outlet;
the first water guide pipe and the second water guide pipe are arranged above the plurality of battery modules.
2. The battery pack according to claim 1, wherein the battery module further comprises:
a module case;
the batteries are arranged in the module shell;
the water cooling plate is arranged in the module shell, is positioned above the plurality of batteries and is abutted against the batteries.
3. The battery pack of claim 2, wherein the water cooling plate is integrated on the cover plate of the module case.
4. The battery pack according to claim 1, wherein the first water introduction duct and the second water introduction duct each include:
the connecting pipes are arranged along the arrangement direction of the battery modules;
the water receiving pipes are communicated with the connecting pipes, the number of the water receiving pipes is equal to that of the battery modules, the water receiving pipes correspond to the battery modules one by one, and the water receiving pipes are communicated with the water cooling plates of the battery modules corresponding to the water receiving pipes respectively;
the main pipe is communicated with the connecting pipe and is communicated with the water inlet or the water outlet;
the water receiving pipes are arranged below the connecting pipe, and the header pipe is arranged above the connecting pipe.
5. The battery pack according to claim 1, wherein the water inlet and the water outlet are oppositely disposed in a direction perpendicular to the arrangement direction of the battery modules;
the first water guide pipe and the second water guide pipe are oppositely arranged along the arrangement direction perpendicular to the battery modules, the first water guide pipe is arranged below the water inlet, and the second water guide pipe is arranged below the water outlet.
6. The battery pack of claim 1, wherein a sealing ring is disposed at each of the water inlet and the water outlet.
7. The battery pack of claim 1, wherein the water-cooled plate comprises:
the plate body is provided with a water cooling channel which is spirally and reciprocally arranged;
the water inlet and the water outlet are oppositely arranged at two ends of the water cooling channel;
two water inlets of two adjacent battery modules are opposite and are arranged next to each other, and two water outlets of two adjacent battery modules are opposite and are arranged next to each other.
8. The battery pack according to claim 1, wherein the water-cooling plate includes an upper plate and a lower plate, the upper plate and the lower plate are disposed opposite to each other and overlap each other, and a central region of the upper plate and a central region of the lower plate partially protrude in a direction away from each other to form a water-cooling channel;
wherein, the lower plate is made of plastic and has a thickness of 0.8-1.5 mm.
9. The battery pack of claim 8, wherein the material of the upper plate is aluminum.
10. An electric consumer, characterized in that the electric consumer comprises a battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220676824.0U CN216980730U (en) | 2022-03-25 | 2022-03-25 | Battery pack and electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220676824.0U CN216980730U (en) | 2022-03-25 | 2022-03-25 | Battery pack and electric equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216980730U true CN216980730U (en) | 2022-07-15 |
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ID=82339589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220676824.0U Active CN216980730U (en) | 2022-03-25 | 2022-03-25 | Battery pack and electric equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216980730U (en) |
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2022
- 2022-03-25 CN CN202220676824.0U patent/CN216980730U/en active Active
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