CN217009323U - Battery pack - Google Patents
Battery pack Download PDFInfo
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- CN217009323U CN217009323U CN202220397256.0U CN202220397256U CN217009323U CN 217009323 U CN217009323 U CN 217009323U CN 202220397256 U CN202220397256 U CN 202220397256U CN 217009323 U CN217009323 U CN 217009323U
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- liquid inlet
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Abstract
The utility model relates to the technical field of power batteries, and discloses a battery pack, which comprises: the battery module comprises a box body, wherein an accommodating cavity for accommodating the battery module is formed in the box body; the liquid inlet partition plate is arranged in the box body, a liquid inlet hole is formed in the liquid inlet partition plate, and the liquid inlet hole is communicated with the accommodating cavity; the liquid inlet pipe is arranged in the box body, one end of the liquid inlet pipe is communicated with a liquid storage container, and the liquid inlet pipe is communicated with the accommodating cavity through the liquid inlet hole; the cooling liquid in the liquid storage container can enter the containing cavity through the liquid inlet pipe and the liquid inlet hole, so that the battery module is soaked in the cooling liquid, the heat dissipation efficiency is effectively improved, and the heat dissipation purpose of the battery module is further achieved.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to a battery pack.
Background
With the rapid development of electric automobiles, the application of battery packs is more and more extensive. In the driving process of the electric automobile, the battery pack generates heat, and the temperature rise of the battery pack affects the service life of the battery and brings potential safety hazards, so that the heat management of the battery pack is particularly important.
In the prior art, an air cooling or pipeline water cooling mode is adopted for the heat management of a battery pack, the air cooling heat dissipation mode is influenced by the length of a flow channel, the cooling efficiency is low, and the temperature of a battery core is uneven; the water cooling mode of the pipeline uses a water pipe to wind the battery, but the battery is easy to be short-circuited under the conditions of high-speed impact and the like, and the spontaneous combustion explosion of the vehicle can be caused in serious conditions, so that higher potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a battery pack, which solves the problems of unsatisfactory heat dissipation effect and potential safety hazard existing in a heat management mode aiming at the battery pack in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a battery pack, comprising:
the battery module comprises a box body, wherein an accommodating cavity for accommodating the battery module is formed in the box body;
the liquid inlet partition plate is arranged in the box body, a liquid inlet hole is formed in the liquid inlet partition plate, and the liquid inlet hole is communicated with the accommodating cavity;
the liquid inlet pipe is arranged in the box body, one end of the liquid inlet pipe is communicated with a liquid storage container, and the other end of the liquid inlet pipe is communicated with the accommodating cavity through the liquid inlet hole;
the cooling liquid in the liquid storage container can enter the accommodating cavity through the liquid inlet pipe and the liquid inlet hole, so that the battery module is soaked in the cooling liquid.
Optionally, a bottom plate is arranged at the bottom of the box body, a liquid guiding space is formed between the liquid inlet partition plate and the bottom plate, and the liquid inlet pipe is arranged in the liquid guiding space;
the pipe wall of feed liquor pipe has evenly seted up a plurality of drain holes, the drain hole, lead the liquid space with the feed liquor hole forms and supplies the coolant liquid to flow in hold the inflow passageway in chamber.
Optionally, the battery module includes a plurality of battery cells, a separator is disposed between adjacent battery cells, and the separator is used for forming a gap for cooling fluid to flow into between adjacent battery cells;
the separator is an epoxy strip.
Optionally, a plurality of liquid inlet holes are formed in the liquid inlet partition plate and are arranged in an array to form warps and wefts which are arranged vertically and horizontally;
the positions of the warp threads and the weft threads correspond to the arrangement of gaps between the battery cores.
Optionally, the top of box is equipped with the apron, seted up out the liquid hole on the apron, go out the one end in liquid hole with hold the chamber intercommunication, go out the other end in liquid hole with the stock solution container intercommunication.
Optionally, the liquid storage container is an oil cylinder, and the battery pack is soaked in cooling liquid in the oil cylinder.
Optionally, a baffle is arranged on the side face of the box body, a total liquid inlet is formed in the baffle, and the end part of the liquid inlet pipe is communicated with the total liquid inlet.
Optionally, a handle is arranged on the baffle.
Optionally, a sampling wire harness is connected to the battery module, the sampling wire harness is connected to a battery management system BMS, and the battery management system BMS is located outside the oil cylinder;
and the baffle is provided with a wire outlet through which the sampling wire harness penetrates.
Optionally, the bottom of the box body is provided with a moving roller.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a battery pack, wherein a liquid inlet partition plate and a liquid inlet pipe which are communicated with a liquid storage container are arranged in a box body of the battery pack, so that cooling liquid in the liquid storage container can enter a containing cavity through the liquid inlet pipe and a liquid inlet hole, a battery module is soaked in the cooling liquid, the heat dissipation efficiency is effectively improved, and the purpose of heat dissipation of the battery module is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a battery pack provided by the present invention without a bottom plate;
fig. 2 is a schematic structural view of a battery pack provided by the present invention without a cover plate;
fig. 3 is a schematic structural diagram of a battery pack according to the present invention;
fig. 4 is a schematic structural diagram of a battery pack provided by the present invention at another viewing angle.
In the above figures: 10. a box body; 11. a baffle plate; 111. a handle; 112. a total liquid inlet; 113. an outlet; 12. a base plate; 13. a cover plate; 131. a liquid outlet hole; 14. a liquid inlet clapboard; 141. a liquid inlet hole; 15. a liquid inlet pipe; 151. a drain hole; 16. a separator; 17. moving the roller; 20. an electric core; 21. connecting the aluminum row; 22. connecting copper bars; 23. and a charging and discharging terminal.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 and 3, the case 10 is a hollow structure, and forms an accommodating cavity for accommodating the battery module; the battery module includes a plurality of electric cores 20, is connected with between electric core 20's the utmost point post and connects aluminium row 21, is equipped with on the battery module to be used for the connection copper bar 22 of being connected with other battery modules, is used for carrying out the charge-discharge binding post 23 that charges and discharge to and be used for connecting the sampling pencil of battery management system BMS.
In this embodiment, the box body 10 includes a frame body, and the frame body is formed by welding square tubes; a liquid inlet clapboard 14 and a liquid inlet pipe 15 are arranged in the box body 10.
The liquid inlet partition plate 14 is connected with the box body 10 in a sealing and welding mode, a liquid inlet hole 141 is formed in the liquid inlet partition plate 14, and the liquid inlet hole 141 is communicated with the accommodating cavity; one end of the liquid inlet pipe 15 is communicated with a liquid storage container, and the other end of the liquid inlet pipe 15 is communicated with the accommodating cavity through a liquid inlet hole 141.
Specifically, a bottom plate 12 is arranged at the bottom of the box body 10, a liquid guiding space is formed between the liquid inlet partition plate and the bottom plate 12, and a liquid inlet pipe 15 is arranged in the liquid guiding space;
a plurality of liquid guide holes 151 are uniformly formed in the wall of the liquid inlet pipe 15, and the liquid guide holes 151, the liquid guide space and the liquid inlet hole 141 form an inflow channel for cooling liquid to flow into the accommodating cavity.
Based on aforementioned structure, the coolant liquid in the stock solution container can get into via feed liquor pipe 15 and feed liquor hole 141 and hold the intracavity, makes the battery module soak in the coolant liquid to take away the heat that produces on the battery module, in order to reach the heat dissipation purpose to the battery module.
Furthermore, a separator 16 is arranged between adjacent battery cells 20 in the battery module, and the separator 16 is used for forming a gap for cooling fluid to flow into between the adjacent battery cells 20; when the coolant liquid got into and holds the chamber in, can finally flow into in the clearance between the electric core 20, make every electric core 20 of coolant liquid evenly soaking to the realization is to the even heat dissipation of each electric core 20, makes the radiating effect of battery module obtain the promotion of matter.
In this embodiment, the separator 16 is an epoxy strip, and the epoxy strip has an insulating property, so that short circuit between the battery cells 20 can be avoided; the epoxy strips are used for separating the battery cores 20, so that gaps for cooling liquid to flow in can be formed among the battery cores 20, and the connection strength among the battery cores 20 can be enhanced; in addition, the epoxy strip can also play a buffering role to avoid the deformation caused by mutual extrusion of the battery cores under the impact.
Specifically, the liquid inlet partition plate 14 is provided with a plurality of liquid inlet holes 141, and the plurality of liquid inlet holes 141 are arranged in an array to form warps and wefts which are arranged vertically and horizontally; the positions of the warp and the weft correspond to the gap arrangement between the battery cells 20, which is favorable for the inflow of the cooling liquid to the gap between the battery cells 20.
In this embodiment, the liquid storage container is an oil cylinder, and the battery pack is soaked in the coolant in the oil cylinder.
Referring to fig. 4, a cover plate 13 is disposed on the top of the box 10, a liquid outlet hole 131 is formed in the cover plate 13, one end of the liquid outlet hole 131 is communicated with the accommodating cavity, and the other end of the liquid outlet hole 131 is communicated with the liquid storage container, so as to form a liquid storage container-liquid inlet pipe 15-accommodating cavity-liquid storage container coolant flow loop, which is beneficial to enhancing the fluidity of the coolant to take away heat on the battery cell 20, thereby further enhancing the heat dissipation effect.
In this embodiment, a baffle 11 is arranged on a side surface of the box body 10, and the baffle 11 is fixedly connected with the box body 10 through a screw for fixing the battery module; the baffle 11 is provided with a total liquid inlet 112, and the end part of the liquid inlet pipe 15 is communicated with the total liquid inlet 112.
Further, a handle 111 is provided on the barrier 11, a moving roller 17 is provided at the bottom of the case 10, and the battery pack can be moved by the handle 111 and the moving roller 17.
In addition, a wire outlet 113 for the sampling wire harness to pass through is formed in the baffle 11, and the sampling wire harness is connected with a battery management system BMS outwards through the wire outlet 113; and the battery management system BMS is positioned outside the oil cylinder so as to be convenient for maintenance.
In this embodiment, the charging/discharging terminal 23 is disposed on the baffle 11.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A battery pack, comprising:
the battery module comprises a box body, wherein an accommodating cavity for accommodating the battery module is formed in the box body;
the liquid inlet partition plate is arranged in the box body, a liquid inlet hole is formed in the liquid inlet partition plate, and the liquid inlet hole is communicated with the accommodating cavity;
the liquid inlet pipe is arranged in the box body, one end of the liquid inlet pipe is communicated with a liquid storage container, and the other end of the liquid inlet pipe is communicated with the accommodating cavity through the liquid inlet hole;
the cooling liquid in the liquid storage container can enter the accommodating cavity through the liquid inlet pipe and the liquid inlet hole, so that the battery module is soaked in the cooling liquid.
2. The battery pack according to claim 1, wherein a bottom plate is disposed at the bottom of the case, a liquid guiding space is formed between the liquid inlet partition plate and the bottom plate, and the liquid inlet pipe is disposed in the liquid guiding space;
a plurality of drain holes are evenly formed in the pipe wall of the liquid inlet pipe, and the drain holes, the drain space and the liquid inlet holes form an inflow channel for cooling liquid to flow into the accommodating cavity.
3. The battery pack according to claim 1, wherein the battery module comprises a plurality of battery cells, and a separator is arranged between adjacent battery cells, and the separator is used for forming a gap for cooling fluid to flow into between adjacent battery cells;
the separator is an epoxy strip.
4. The battery pack according to claim 3, wherein the liquid inlet partition plate is provided with a plurality of liquid inlet holes, and the liquid inlet holes are arranged in an array to form warps and wefts which are arranged in a longitudinal and transverse manner;
the positions of the warp threads and the weft threads correspond to the arrangement of gaps between the battery cores.
5. The battery pack according to any one of claims 1 to 4, wherein a cover plate is disposed on the top of the case, a liquid outlet is disposed on the cover plate, one end of the liquid outlet is communicated with the accommodating cavity, and the other end of the liquid outlet is communicated with the liquid storage container.
6. The battery pack of claim 5, wherein the reservoir is a cylinder, and the battery pack is immersed in a coolant in the cylinder.
7. The battery pack of claim 6, wherein a baffle is arranged on the side surface of the box body, a total liquid inlet is formed in the baffle, and the end part of the liquid inlet pipe is communicated with the total liquid inlet.
8. The battery pack of claim 7, wherein the retainer has a handle thereon.
9. The battery pack according to claim 7, wherein a sampling harness is connected to the battery module, and a battery management system BMS is connected to the sampling harness and located outside the oil cylinder;
and the baffle is provided with a wire outlet through which the sampling wire harness penetrates.
10. The battery pack according to claim 1, wherein the bottom of the case is provided with a moving roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220397256.0U CN217009323U (en) | 2022-02-25 | 2022-02-25 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220397256.0U CN217009323U (en) | 2022-02-25 | 2022-02-25 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217009323U true CN217009323U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220397256.0U Active CN217009323U (en) | 2022-02-25 | 2022-02-25 | Battery pack |
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| Country | Link |
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| CN (1) | CN217009323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117525670A (en) * | 2023-11-10 | 2024-02-06 | 重庆储安科技创新中心有限公司 | Internal circulation immersed module cooling system and control method |
-
2022
- 2022-02-25 CN CN202220397256.0U patent/CN217009323U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117525670A (en) * | 2023-11-10 | 2024-02-06 | 重庆储安科技创新中心有限公司 | Internal circulation immersed module cooling system and control method |
| CN117525670B (en) * | 2023-11-10 | 2024-04-23 | 重庆储安科技创新中心有限公司 | Internal circulation immersed module cooling system and control method |
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