CN220796868U - Lithium battery with built-in heat dissipation runner - Google Patents
Lithium battery with built-in heat dissipation runner Download PDFInfo
- Publication number
- CN220796868U CN220796868U CN202322463973.6U CN202322463973U CN220796868U CN 220796868 U CN220796868 U CN 220796868U CN 202322463973 U CN202322463973 U CN 202322463973U CN 220796868 U CN220796868 U CN 220796868U
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- CN
- China
- Prior art keywords
- lithium battery
- heat dissipation
- pipe
- outer shell
- installation cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 67
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a lithium battery with a built-in heat dissipation runner, which belongs to the technical field of lithium batteries, and particularly relates to a lithium battery with a built-in heat dissipation runner, comprising an outer shell, wherein an installation cavity is formed in the outer shell, lithium battery cell plates are arranged in the installation cavity at equal intervals, a plurality of lithium battery cell plates are arranged in gaps between the front inner side wall and the rear inner side wall of the installation cavity, and the plurality of lithium battery cell plates are connected in series through wires to form a lithium battery pack; the top of the outer shell is provided with a heat exchanger, and the top of the outer shell is provided with a miniature pump I and a miniature pump II. According to the utility model, heat generated by the operation of the lithium battery cell plate is led into heat conduction liquid in the flow channel pipe in a heat conduction way, then enters the heat exchanger through the small pump I and the liquid outlet pipe to perform heat exchange, and then is supplemented back into the flow channel pipe through the small pump II and the liquid inlet pipe, so that the temperature of the inner cavity of the installation cavity is continuously reduced, the heat dissipation of the lithium battery cell plate is facilitated, the circulation performance of a heat dissipation medium in a battery is improved, and the heat dissipation effect and the heat uniformity effect are improved.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with a built-in heat dissipation runner.
Background
Along with the gradual enhancement of the awareness of people on ecological environment protection, the world faces the challenge of energy structure transformation, and the demands of people on novel energy are promoted to be more urgent. The consumption of energy sources in the world is mainly carried out by fossil fuels such as coal, but with the rapid development of lithium battery technology in recent years, the lithium battery has the advantages of high energy density, low cost, high performance, good safety, long service life, low emission and the like, and the lithium battery has become a novel energy source approved by the market, the energy source use ratio is steadily improved, and the development of the lithium battery technology is rapidly promoted worldwide.
Compared with a small lithium battery, the large-diameter lithium battery has the advantages of higher energy density, longer endurance mileage, stronger power and the like, and is regarded as a new development direction of the lithium battery. But the thermal resistance of the large-diameter lithium battery is larger, the radial heat dissipation difficulty is higher, and the temperature gradient in the battery is larger, so that excessive heat is accumulated in the battery during operation, the safety and the service life of the battery are reduced, and thermal runaway is caused when the battery is serious. The poor circulation of the heat dissipation medium in the battery makes the heat dissipation effect and the thermal uniformity effect poor, and thus it is necessary to develop a lithium battery with a built-in heat dissipation flow channel.
Disclosure of utility model
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a lithium battery with a heat dissipation runner built-in, comprising:
The lithium battery pack comprises an outer shell, wherein an installation cavity is formed in the outer shell, lithium battery cell plates are arranged in the installation cavity at equal intervals, a plurality of lithium battery cell plates are arranged in gaps between the lithium battery cell plates and front and rear inner side walls of the installation cavity, and the lithium battery cell plates are connected in series through wires to form the lithium battery pack;
The heat exchanger is arranged at the top of the outer shell, the first small pump and the second small pump are arranged at the top of the outer shell, the water inlet end of the heat exchanger is connected to one end of the first small pump, and the water outlet end of the heat exchanger is connected to one end of the second small pump;
The installation cavity is internally and roundabout provided with a runner pipe, the runner pipe is internally provided with heat conduction liquid, the pipe body of the runner pipe is inserted between the adjacent lithium battery cell plates and is inserted in the gap between the lithium battery cell plates and the installation cavity, two ends of the runner pipe are connected with a liquid outlet pipe and a liquid inlet pipe, and the liquid outlet pipe is connected with the other end of the first small pump and the liquid inlet pipe is connected with the other end of the second small pump.
As a preferred embodiment of the lithium battery with a heat dissipation flow channel, the present utility model is characterized in that: the bottom of the outer shell is provided with a sealing cover, and the sealing cover is connected with the periphery of the bottom of the outer shell through screws.
As a preferred embodiment of the lithium battery with a heat dissipation flow channel, the present utility model is characterized in that: the outer side wall of the outer shell is provided with a positive electrode end and a negative electrode end, and the positive electrode end and the negative electrode end are respectively connected with the positive electrode and the negative electrode of the lithium battery pack.
As a preferred embodiment of the lithium battery with a heat dissipation flow channel, the present utility model is characterized in that: the heat exchanger is a plate heat exchanger
As a preferred embodiment of the lithium battery with a heat dissipation flow channel, the present utility model is characterized in that: the liquid outlet pipe is connected with the small pump through a flange, and a sealing gasket is arranged at the joint.
As a preferred embodiment of the lithium battery with a heat dissipation flow channel, the present utility model is characterized in that: the liquid inlet pipe is connected with the small pump through a flange, and a sealing gasket is arranged at the joint.
Compared with the prior art, the utility model has the beneficial effects that: the heat generated by the operation of the lithium battery cell plate is led into the heat conduction liquid in the flow channel pipe in a heat conduction mode, then enters the heat exchanger through the first small pump and the liquid outlet pipe to perform heat exchange, and then is supplemented back into the flow channel pipe through the second small pump and the liquid inlet pipe, so that the temperature of the inner cavity of the installation cavity is continuously reduced, the heat dissipation of the lithium battery cell plate is facilitated, the circulation performance of a heat dissipation medium in a battery is improved, and the heat dissipation effect and the heat uniformity effect are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the structure of FIG. 1 according to the present utility model;
FIG. 3 is a schematic view illustrating the structure of the utility model in the bottom view of FIG. 2;
Fig. 4 is a schematic view showing the structure of the mounting part in the outer case of fig. 3 according to the present utility model.
In the figure: the lithium battery cell plate comprises an outer shell 100, a mounting cavity 110, a lithium battery cell plate 120, a positive electrode end 130, a negative electrode end 140, a heat exchanger 200, a miniature pump one 210, a miniature pump two 220, a runner pipe 300, a liquid outlet pipe 310 and a liquid inlet pipe 320.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-4, a schematic structural diagram of an embodiment of a lithium battery with a heat dissipation runner is shown, and referring to fig. 1-4, a detailed description is given of a lithium battery with a heat dissipation runner.
The lithium battery with the heat dissipation runner inside comprises an outer shell 100, wherein an installation cavity 110 is formed in the outer shell 100, lithium battery cell plates 120 are arranged in the installation cavity 110 at equal intervals, a plurality of lithium battery cell plates 120 are arranged in gaps between the front inner side wall and the rear inner side wall of the installation cavity 110, and the plurality of lithium battery cell plates 120 are connected in series through wiring to form a lithium battery pack; the outer side wall of the outer shell 100 is provided with a positive electrode end 130 and a negative electrode end 140, the positive electrode end 130 and the negative electrode end 140 are respectively connected with the positive electrode and the negative electrode of the lithium battery pack, the bottom of the outer shell 100 is provided with a sealing cover, the sealing cover is connected with the periphery of the bottom of the outer shell 100 through screws, the sealing cover and the screws are not marked in the drawing, and the sealing cover is used for overhauling the internal parts of the outer shell 100 through disassembling the screws and the sealing cover;
The top of the outer shell 100 is provided with a heat exchanger 200, the top of the outer shell 100 is provided with a first small pump 210 and a second small pump 220, the water inlet end of the heat exchanger 200 is connected with one end of the first small pump 210, and the water outlet end is connected with one end of the second small pump 220; the heat exchanger 200 is a plate heat exchanger, and has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, long service life and the like;
The installation cavity 110 is internally and roundabout provided with a runner pipe 300, the runner pipe 300 is internally provided with heat-conducting liquid, the pipe body of the runner pipe 300 is inserted between the adjacent lithium battery cell plates 120 and is inserted in the clearance between the lithium battery cell plates 120 and the installation cavity 110, two ends of the runner pipe 300 are connected with a liquid outlet pipe 310 and a liquid inlet pipe 320, the liquid outlet pipe 310 is connected with the other end of the first small pump 210, and the liquid inlet pipe 320 is connected with the other end of the second small pump 220. The liquid outlet pipe 310 is connected with the small pump I210 through a flange, and a sealing gasket is arranged at the joint, so that the tightness of the joint is improved; the liquid inlet pipe 320 and the small pump II 220 are connected through a flange, and a sealing gasket is arranged at the joint, so that the tightness of the joint is improved;
In a specific use process, heat generated by the operation of the lithium battery cell plate 120 is led into the heat conduction liquid in the flow channel pipe 300 in a heat conduction manner, then enters the heat exchanger 200 through the first mini pump 210 and the liquid outlet pipe 310 to perform heat exchange, and then is supplemented back into the flow channel pipe 300 through the second mini pump 220 and the liquid inlet pipe 320, so that the temperature of the inner cavity of the installation cavity 110 is continuously reduced, the heat dissipation of the lithium battery cell plate 120 is facilitated, the circulation performance of a heat dissipation medium in a battery is improved, and the heat dissipation effect and the heat uniformity effect are improved.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A lithium battery with a heat dissipation flow channel built therein, comprising:
The lithium battery pack comprises an outer shell body (100), wherein an installation cavity (110) is formed in the outer shell body (100), lithium battery cell plates (120) are arranged in the installation cavity (110) at equal intervals, a plurality of the lithium battery cell plates (120) are arranged in a gap between the front inner side wall and the rear inner side wall of the installation cavity (110), and a plurality of the lithium battery cell plates (120) are connected in series through wiring to form the lithium battery pack;
The heat exchanger (200) is arranged at the top of the outer shell (100), the first small pump (210) and the second small pump (220) are arranged at the top of the outer shell (100), the water inlet end of the heat exchanger (200) is connected to one end of the first small pump (210), and the water outlet end is connected to one end of the second small pump (220);
The utility model provides a runner pipe (300), circuitous winding is provided with runner pipe (300) in installation cavity (110), be provided with heat conduction liquid in runner pipe (300), the pipe shaft of runner pipe (300) alternates with adjacent lithium cell board (120) between, and alternate in the clearance department of lithium cell board (120) and installation cavity (110), the both ends of runner pipe (300) are connected with drain pipe (310) and feed liquor pipe (320), the other end of small-size pump (210) is connected to drain pipe (310) the other end of small-size pump (220) is connected to feed liquor pipe (320).
2. The lithium battery with a built-in heat dissipation runner according to claim 1, wherein: the bottom of the outer shell (100) is provided with a sealing cover, and the sealing cover is connected with the periphery of the bottom of the outer shell (100) through screws.
3. The lithium battery with a built-in heat dissipation runner according to claim 1, wherein: the outer side wall of the outer shell (100) is provided with a positive electrode end (130) and a negative electrode end (140), and the positive electrode end (130) and the negative electrode end (140) are respectively connected with the positive electrode and the negative electrode of the lithium battery pack.
4. The lithium battery with a built-in heat dissipation runner according to claim 1, wherein: the heat exchanger (200) is a plate heat exchanger.
5. The lithium battery with a built-in heat dissipation runner according to claim 1, wherein: the liquid outlet pipe (310) is connected with the small pump I (210) through a flange, and a sealing gasket is arranged at the joint.
6. The lithium battery with a built-in heat dissipation runner according to claim 1, wherein: the liquid inlet pipe (320) is connected with the small pump II (220) through a flange, and a sealing gasket is arranged at the joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322463973.6U CN220796868U (en) | 2023-09-12 | 2023-09-12 | Lithium battery with built-in heat dissipation runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322463973.6U CN220796868U (en) | 2023-09-12 | 2023-09-12 | Lithium battery with built-in heat dissipation runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220796868U true CN220796868U (en) | 2024-04-16 |
Family
ID=90653184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322463973.6U Active CN220796868U (en) | 2023-09-12 | 2023-09-12 | Lithium battery with built-in heat dissipation runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220796868U (en) |
-
2023
- 2023-09-12 CN CN202322463973.6U patent/CN220796868U/en active Active
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| GR01 | Patent grant |