CN216850077U - Battery package cooling structure and battery package - Google Patents
Battery package cooling structure and battery package Download PDFInfo
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- CN216850077U CN216850077U CN202220242605.1U CN202220242605U CN216850077U CN 216850077 U CN216850077 U CN 216850077U CN 202220242605 U CN202220242605 U CN 202220242605U CN 216850077 U CN216850077 U CN 216850077U
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Abstract
The utility model provides a battery pack cooling structure and a battery pack, the battery pack cooling structure of the utility model is arranged in a shell of the battery pack, the battery pack cooling structure comprises a lateral part cooling channel arranged inside two sides of the shell, a liquid cooling plate arranged at the bottom of the shell and provided with a bottom cooling flow channel, and the bottom cooling channel is communicated with two lateral part cooling channels; the end of the shell is provided with a liquid inlet communicated with the cooling channel at one side part and a liquid outlet communicated with the cooling channel at the other side part. Battery package cooling structure, through the inside cooling channel that forms in the both sides of casing to with the liquid cooling board intercommunication in the casing, be favorable to reducing the volume of occuping of cooling structure to the casing inner space, and have better cooling effect.
Description
Technical Field
The utility model relates to a power battery technical field, in particular to battery package cooling structure. And simultaneously, the utility model discloses still relate to a battery package that has this battery package cooling structure.
Background
With the wider application of power batteries, people pay more and more attention to the safety of the power batteries. The temperature of the battery pack can rise in the using process, and after the temperature rises, the service performance of the battery pack is not guaranteed, and great potential safety hazards exist.
At present, a pipeline is generally required to be used in cooling of a power battery, the arrangement of the pipeline in a battery pack shell not only occupies the space in the shell, but also easily causes the problem of liquid leakage when the battery pack collides, and therefore the safety of the battery pack is affected. Other cooling structures that reduce the piping layout are limited in implementation and thus have certain limitations in application.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a battery package cooling structure to reduce the space occupation volume in the battery package, and have better cooling effect.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a battery pack cooling structure is arranged in a shell of a battery pack, and comprises lateral cooling channels arranged inside two sides of the shell, and a liquid cooling plate with a bottom cooling channel arranged at the bottom of the shell, wherein the bottom cooling channel is communicated with the two lateral cooling channels; the end part of the shell is provided with a liquid inlet communicated with one of the side part cooling channels and a liquid outlet communicated with the other side part cooling channel.
Furthermore, the shell comprises an upper shell and a lower shell which are connected in a buckling manner; the two side cooling channels are formed on two sides of the lower shell respectively.
Furthermore, two sides of the lower shell are respectively provided with a cavity extending along the length direction of the lower shell; the side cooling channels on the same side are separated from the cavity.
Further, the liquid inlet and the liquid outlet are located at the same end of the lower shell, and the liquid inlet and the liquid outlet are separately arranged.
Further, two ends of the side cooling channel penetrate through two sides of the lower shell; one end of the lateral cooling channel is communicated with the liquid inlet or the liquid outlet, and the other end of the lateral cooling channel is blocked by the blocking part.
Furthermore, two communication channels are arranged at the end part of the shell; the liquid inlet and the liquid outlet are respectively communicated with the corresponding side cooling channels through the communication channels.
Furthermore, both sides of the shell are provided with liquid passing ports communicated with the corresponding side cooling channels; and communicating pipes communicated with the liquid passing ports are respectively arranged on two sides of the liquid cooling plate.
Furthermore, the number of the liquid cooling plates is at least two, and the liquid cooling plates are arranged at the bottom of the shell; two sides of each bottom cooling channel are respectively communicated with the two side cooling channels.
Further, the liquid cooling plate is arranged at the bottom of the shell; the liquid passing ports are arranged on two sides of each shell at intervals, and the communicating pipes are arranged in a one-to-one correspondence with the liquid passing ports.
Compared with the prior art, the utility model discloses following advantage has:
battery package cooling structure, through the inside cooling channel that forms in the both sides of casing to with the liquid cooling board intercommunication in the casing, be favorable to reducing the volume of occuping of cooling structure to the casing inner space, and have better cooling effect.
In addition, through setting up lateral part cooling channel in the both sides of casing down, do benefit to and the liquid cooling plate between the intercommunication and cool off the battery package. The arrangement of the upper cavity of the lower shell is not only beneficial to the processing and forming of the lower shell, but also beneficial to the reduction of the weight of the shell. The liquid inlet and the liquid outlet are arranged at the same end of the lower shell, so that the integration effect of the cooling structure is improved. The two ends of the side cooling channel penetrate through the two sides of the lower shell, so that the processing and forming are facilitated, and the plugging part can prevent liquid leakage.
In addition, two communication channels are arranged at the end part of the shell, so that the cooling effect of the battery pack is improved. The arrangement of the liquid passing port and the communicating pipe is beneficial to communicating the lateral cooling channel with the liquid cooling plate. The liquid cooling plates are arranged to be at least two arranged at the bottom of the shell, so that the cooling effect on the battery pack is improved. The liquid passing openings are formed in the two sides of the shell at intervals, and the cooling effect of the liquid cooling plate is improved.
Another object of the present invention is to provide a battery pack, wherein the battery pack cooling structure is disposed in the housing.
Battery package and foretell battery package cooling structure be the same for prior art's beneficial effect, do not describe herein repeatedly.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a battery pack cooling structure according to a first embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a left side view of FIG. 1;
fig. 5 is a sectional view taken in the direction B-B in fig. 4.
Description of reference numerals:
1. a lower housing; 101. a front side wall; 1011. a liquid inlet; 1012. a liquid outlet; 102. a rear sidewall; 103. A first side wall; 104. a second side wall; 1051. a first communicating passage; 1052. a second communicating passage; 1061. A first side cooling channel; 1062. a second side cooling channel; 1063. a first liquid passing port; 1064. a second liquid passing port; 107. a liquid-cooled plate; 1071. a first communication pipe; 1072. a second communicating pipe; 108. a cavity; 109. a base plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
The embodiment relates to a battery pack cooling structure, which is arranged in a shell of a battery pack, and comprises a lateral cooling channel arranged inside two sides of the shell, a liquid cooling plate 107 arranged at the bottom of the shell and provided with a bottom cooling channel, and the bottom cooling channel is communicated with the two lateral cooling channels. The end of the housing is provided with a liquid inlet 1011 communicating with one side cooling channel thereof and a liquid outlet 1012 communicating with the other side cooling channel.
The battery pack cooling structure described in this embodiment, through the inside cooling channel that forms in the both sides of casing to with the liquid cooling plate 107 intercommunication in the casing, be favorable to reducing the volume of occupying of cooling structure to the casing inner space, and have better cooling effect.
Based on the above overall description, an exemplary structure of the cooling structure of the battery pack of the present embodiment is shown in fig. 1, and in the present embodiment, the case of the battery pack includes the upper case and the lower case 1 that are snap-fit coupled. The structure and connection of the upper and lower housings 1 can be found in the prior art.
As an exemplary structure of the lower case 1, as shown in fig. 1, the lower case 1 includes a bottom plate 109 at the bottom, a front sidewall 101 and a rear sidewall 102 provided at both front and rear ends of the bottom plate 109, and a first sidewall 103 and a second sidewall 104 provided at both sides of the bottom plate 109 and connecting between the front sidewall 101 and the rear sidewall 102, and the lower case 1 encloses a space formed to hold the battery module. The two side cooling channels are formed on the two sides of the lower housing 1, and the liquid cooling plate 107 is disposed on the bottom plate 109.
In this embodiment, the liquid inlet 1011 and the liquid outlet 1012 are located on the front sidewall 101, and the liquid inlet 1011 and the liquid outlet 1012 are separately disposed. So set up, do benefit to the integrated effect that improves cooling structure, further reduce the volume of occupying of cooling structure to the interior space of casing. Preferably, two communication channels are provided at the front side wall 101, and the liquid inlet 1011 is communicated with one side cooling channel via one communication channel, so that cooling is also delivered into the side cooling channel. And the liquid outlet 1012 communicates with the other side cooling passage via the other communication passage.
For the sake of convenience, the communication channel communicating with liquid inlet 1011 is referred to as a first communication channel 1051, and the communication channel communicating with liquid outlet 1012 is referred to as a second communication channel 1052. The arrangement of the two communication channels can also be beneficial to improving the cooling effect of the battery pack by flowing the cooling liquid. Of course, a solution in which the liquid inlet 1011 and the liquid outlet 1012 are provided at both ends of the lower housing 1, respectively, is also possible.
For convenience of description below, in the present embodiment, the side cooling channel located in the first sidewall 103 is referred to as a first side cooling channel 1061, and the side cooling channel located in the second sidewall 104 is referred to as a second side cooling channel 1062. The first side cooling channel 1061 is communicated with the liquid inlet 1011, and the second side cooling channel 1062 is communicated with the liquid outlet 1012.
To facilitate the machining of the first side cooling channel 1061 and the second side cooling channel 1062, in this embodiment, two ends of the first side cooling channel 1061 are disposed through two ends of the first side wall 103, and two ends of the second side cooling channel 1062 are disposed through two ends of the second side wall 104. One end of the first side cooling channel 1061 is communicated with the liquid inlet 1011, and one end of the second side cooling channel 1062 is communicated with the liquid outlet 1012. And the other ends of the first side cooling channel 1061 and the second side cooling channel 1062 are blocked by the blocking portion.
In specific implementation, the blocking portion may be an integrally formed baffle or a blocking block, and may be configured to block the openings at the other ends of the first side cooling channel 1061 and the second side cooling channel 1062. The arrangement of the blocking part is beneficial to preventing the leakage of the cooling liquid, so that the safety of the cooling structure in use can be improved.
In addition, the lower casing 1 is provided with a cavity 108 extending along the length direction thereof at both sides thereof, and the side cooling channel and the cavity 108 at the same side are separated from each other. In a specific structure, referring to fig. 2 and 3, cavities 108 are formed in the upper and lower sides of the lateral cooling channel, and the cavities 108 are arranged to facilitate the machining and forming of the lower housing 1, and simultaneously facilitate the reduction of the weight of the lower housing 1, thereby facilitating the reduction of the production cost.
The liquid cooling plate 107 and the fixing manner of the liquid cooling plate 107 on the lower housing 1 in this embodiment can be referred to in the prior art, and are not described herein again. In order to facilitate the communication effect between the side cooling channels and the liquid cooling plate 107, liquid passing ports communicated with the corresponding side cooling channels are arranged on the two sides of the lower shell 1; and communicating pipes communicated with the liquid passing ports are respectively arranged on two sides of the liquid cooling plate 107.
As shown in fig. 1, the liquid cooling plates 107 may be at least two liquid cooling plates 107 disposed on the bottom plate 109, corresponding to each liquid cooling plate 107, and the liquid passing ports are disposed corresponding to both sides of the liquid cooling plates 107. In this embodiment, each edge of the liquid passing port extends outward to facilitate the free end of the communicating pipe to be inserted and connected in a sealing manner. Of course, in order to improve the sealing effect between the liquid passing port and the communicating pipe, a sealing structure can be arranged at the joint of the liquid passing port and the communicating pipe. In addition, in order to further reduce the space occupation, the communication pipe should be as short as possible on the premise of meeting the communication requirement.
In this embodiment, the liquid passing port formed in the first side wall 103 and communicating with the first side cooling channel 1061 is a first liquid passing port 1063, and the liquid passing port formed in the second side wall 104 and communicating with the second side cooling channel 1062 is a second liquid passing port 1064. The connection pipe on the liquid cooling plate 107, which is connected to the first liquid passing port 1063, is a first connection pipe 1071, and the connection pipe connected to the second liquid passing port 1064 is a second connection pipe 1072.
In this embodiment, only one liquid cooling plate 107 may be provided, and the bottom plate 109 is covered with the liquid cooling plate 107 to have a better cooling effect. At this time, in order to improve the inlet and outlet effects of the cooling liquid in the liquid cooling plate 107, the liquid passing ports are arranged on the two sides of the lower housing 1 at intervals, and the communicating pipes are arranged in one-to-one correspondence with the liquid passing ports.
In the battery pack cooling structure of this embodiment, as shown by arrows in fig. 5, when in use, the cooling liquid flows into the first communication channel 1051 through the liquid inlet 1011, then flows into the first side cooling channel 1061, then flows into the liquid-cooling plate 107 through each of the first liquid passing port 1063 and the first communication pipe 1071, flows into the second side cooling channel 1062 through the second liquid passing port 1064 and the second communication pipe 1072, and finally flows out through the liquid outlet 1012 after flowing through the second communication channel 1052. In the process that the cooling liquid flows through in the cooling structure, the heat generated by the battery pack can be taken away, so that the effect of reducing the temperature of the battery pack is achieved.
It should be noted that, in this embodiment, besides the side cooling channels are disposed on both sides of the lower housing 1, they can also be disposed on both sides of the upper housing if space allows, and the corresponding liquid inlet 1011 and liquid outlet 1012 can also be disposed on the upper housing, as long as communication between the side cooling channels and the liquid cooling plate 107 can be ensured, so as to achieve the flowing effect of the cooling liquid.
Example two
The embodiment relates to a battery pack, which comprises a shell, wherein a battery pack cooling structure is arranged in the shell.
The battery pack of the embodiment can improve the cooling effect on the battery pack by adopting the battery pack cooling structure in the first embodiment, reduce the space occupation amount of the cooling structure in the battery pack, and further improve the utilization rate of the space in the battery pack shell.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a battery package cooling structure, locates the casing of battery package, its characterized in that:
the battery pack cooling structure comprises side cooling channels arranged inside two sides of the shell, and a liquid cooling plate (107) with a bottom cooling channel arranged at the bottom of the shell, wherein the bottom cooling channel is communicated with the two side cooling channels;
the end part of the shell is provided with a liquid inlet (1011) communicated with one side cooling channel and a liquid outlet (1012) communicated with the other side cooling channel.
2. The battery pack cooling structure according to claim 1, wherein:
the shell comprises an upper shell and a lower shell (1) which are connected in a buckling way;
the two side cooling channels are respectively formed on two sides of the lower shell (1).
3. The battery pack cooling structure according to claim 2, wherein:
two sides of the lower shell (1) are respectively provided with a cavity (108) extending along the length direction of the lower shell;
the side cooling channels on the same side are separated from the cavity (108).
4. The battery pack cooling structure according to claim 2, wherein:
the liquid inlet (1011) and the liquid outlet (1012) are located at the same end of the lower shell (1), and the liquid inlet (1011) and the liquid outlet (1012) are separately arranged.
5. The battery pack cooling structure according to claim 2, wherein:
two ends of the side cooling channel penetrate through two sides of the lower shell (1);
one end of the side cooling channel is communicated with the liquid inlet (1011) or the liquid outlet (1012), and the other end of the side cooling channel is blocked by a blocking part.
6. The battery pack cooling structure according to claim 1, wherein:
the end part of the shell is provided with two communicating channels;
the liquid inlet (1011) and the liquid outlet (1012) are respectively communicated with the corresponding side cooling channels through the communication channels.
7. The battery pack cooling structure according to any one of claims 1 to 6, wherein:
liquid passing ports communicated with the corresponding side cooling channels are formed in the two sides of the shell;
and communicating pipes communicated with the liquid passing ports are respectively arranged on two sides of the liquid cooling plate (107).
8. The battery pack cooling structure according to claim 7, wherein:
the liquid cooling plates (107) are at least two arranged at the bottom of the shell;
two sides of each bottom cooling channel are respectively communicated with the two side cooling channels.
9. The battery pack cooling structure according to claim 7, wherein:
the liquid cooling plate (107) is arranged at the bottom of the shell;
the liquid passing ports are arranged on two sides of the shell at intervals, and the communicating pipes are arranged in a plurality of one-to-one correspondence with the liquid passing ports.
10. A battery pack, comprising a housing, characterized in that: a battery pack cooling structure according to any one of claims 1 to 9 is provided in the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220242605.1U CN216850077U (en) | 2022-01-28 | 2022-01-28 | Battery package cooling structure and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220242605.1U CN216850077U (en) | 2022-01-28 | 2022-01-28 | Battery package cooling structure and battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216850077U true CN216850077U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220242605.1U Active CN216850077U (en) | 2022-01-28 | 2022-01-28 | Battery package cooling structure and battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216850077U (en) |
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2022
- 2022-01-28 CN CN202220242605.1U patent/CN216850077U/en active Active
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