CN216958218U - Battery module and battery cluster - Google Patents
Battery module and battery cluster Download PDFInfo
- Publication number
- CN216958218U CN216958218U CN202220392665.1U CN202220392665U CN216958218U CN 216958218 U CN216958218 U CN 216958218U CN 202220392665 U CN202220392665 U CN 202220392665U CN 216958218 U CN216958218 U CN 216958218U
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- Prior art keywords
- battery
- heat dissipation
- battery module
- dissipation channel
- fixing frame
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 59
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000004891 communication Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 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
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- 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
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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a battery module and a battery cluster, wherein the battery module comprises a plurality of batteries and a fixed frame for installing the batteries, a heat dissipation channel penetrating through the top and the bottom of the fixed frame is arranged in the fixed frame, and all the batteries are arranged around the heat dissipation channel. The peripheral side of the fixed frame of the battery module is open, so that the heat dissipation of the battery can be accelerated, the material can be saved, and the cost can be reduced. Meanwhile, the batteries are arranged around the heat dissipation channel in the fixed frame, and each battery can also dissipate heat through the heat dissipation channel, so that the heat dissipation efficiency is further improved, and the charge and discharge performance and the service life of the batteries are greatly guaranteed.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery module and a battery cluster.
Background
In a lithium battery energy storage system, the temperature can directly influence the activity and the conductivity of an electrode material, the lithium ion permeability and the like, and further influence the electrochemical reaction inside the battery; if the battery works in a high-temperature environment for a long time, the service life of the battery is obviously shortened, the performance of the battery is greatly reduced, and even a safety accident is caused. In addition, the uneven distribution of the long-time temperature field in the lithium battery box body can also cause the imbalance of the performances of each battery module and each single battery, and the physical property difference among different batteries is more obvious along with the accumulation of time, so that the consistency among the lithium batteries is poor, even the advanced failure occurs, and the service life of the whole energy storage battery system is shortened. Therefore, the good heat dissipation and temperature control technology is the guarantee of the stable operation of the energy storage system, and meanwhile, the energy conversion efficiency of the energy storage system can be improved.
In the current industry, a plurality of single batteries are generally integrated in a box body in a series-parallel connection mode, then a voltage acquisition module, a temperature acquisition module and a battery management unit are added to form a battery module, and a plurality of battery modules are arranged on a battery frame and connected in series-parallel connection to finally form a battery cluster. The plurality of batteries are clustered in the container or the cabinet to form a container type energy storage system or a cabinet type energy storage system. Most of the existing battery module boxes are closed boxes, and when a system runs, batteries and electric elements heat, so that heat dissipation is not easy; the charge and discharge performance of the battery can be influenced and the service life of the battery can be shortened under the high temperature for a long time; heat dissipation also increases energy consumption and reduces system efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery module and a battery cluster, aiming at solving the technical problem that the heat dissipation effect of the battery module in the prior art is poor.
The technical scheme adopted by the utility model is as follows:
the utility model provides a battery module and a battery cluster, wherein the battery module comprises: the battery heat dissipation device comprises a plurality of batteries and a fixed frame for installing the batteries, wherein a heat dissipation channel which runs through the top and the bottom of the fixed frame is arranged in the fixed frame, and all the batteries surround the heat dissipation channel.
Furthermore, the surface of the fixed frame is provided with a concave-convex structure.
In one embodiment, the fixed frame comprises a top cover and a bottom cover which are arranged oppositely, and a plurality of supporting columns connected between the top cover and the bottom cover, wherein the supporting columns are distributed around the edge of the top cover, the centers of the top cover and the bottom cover are both provided with heat dissipation channel openings, and a communication gap between the heat dissipation channel openings is the heat dissipation channel.
In one embodiment, the top cover and the bottom cover are respectively provided with a battery mounting groove surrounding the heat dissipation channel opening, and the electrode end of the battery is mounted in the battery mounting groove.
In one embodiment, the top cover and the bottom cover are circular plate-shaped, the battery is cylindrical, and the battery mounting groove and the heat dissipation channel opening are circular.
Further, the top cover and the bottom cover are made of heat conducting materials.
Further, the battery module still includes the battery management unit, just fixed frame's top and bottom are equipped with the collection battery voltage's voltage acquisition subassembly, collection the temperature acquisition subassembly of battery temperature.
Furthermore, the fixed frame is provided with at least one wire harness interface and a communication interface for transmitting data information.
The battery cluster comprises a battery frame and further comprises the battery module.
Furthermore, a plurality of placing layers are arranged inside the battery rack, and a support for placing the battery module is arranged on each placing layer.
Compared with the prior art, the battery module provided by the utility model has the advantages that the peripheral side of the fixed frame is open, the heat dissipation of the battery can be accelerated, the material can be saved, and the cost can be reduced. Meanwhile, the batteries are arranged around the heat dissipation channel in the fixed frame, and each battery can also dissipate heat through the heat dissipation channel, so that the heat dissipation efficiency is further improved, and the charge and discharge performance and the service life of the batteries are greatly guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description 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 may be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic perspective view of a battery module according to an embodiment of the utility model;
fig. 2 is a top view of the battery module according to the embodiment of the present invention (with the top cover removed);
fig. 3 is a bottom view of the battery module according to the embodiment of the present invention (with the bottom cover removed);
FIG. 4 is a schematic perspective view of a battery cluster according to an embodiment of the present invention;
1. a top cover; 2. a bottom cover; 3. a battery; 4. a heat dissipation vent; 5. a heat dissipation channel; 6. a pillar; 7. a relief structure; 8. and a battery holder.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
At present, a plurality of single batteries are generally integrated in a box body in a series-parallel connection mode, a voltage acquisition module, a temperature acquisition module and a battery management unit are added to form a battery module, and a plurality of battery modules are arranged on a battery frame and connected in series-parallel connection to finally form a battery cluster. The plurality of batteries are clustered in the container or the cabinet to form a container type energy storage system or a cabinet type energy storage system. However, most of the existing battery module boxes are closed box bodies, and when the battery module runs, the battery and the electric elements generate heat, so that heat is not easy to dissipate; and the long-term high temperature can affect the charge and discharge performance of the battery in the battery module and shorten the service life of the battery.
Therefore, in order to solve the technical problem of poor heat dissipation effect of the current battery module, the utility model provides a battery module, which comprises: the battery fixing frame comprises a plurality of batteries and a fixing frame for installing the batteries, wherein the periphery of the fixing frame is open, a heat dissipation channel penetrating through the top and the bottom of the fixing frame is arranged in the fixing frame, and all the batteries are arranged around the heat dissipation channel.
In summary, the peripheral side of the fixing frame of the battery module is open, so that the heat dissipation of the battery can be accelerated, the material can be saved, and the cost can be reduced. Meanwhile, the batteries are arranged around the heat dissipation channel in the fixed frame, and each battery can also dissipate heat through the heat dissipation channel, so that the heat dissipation efficiency is further improved, and the charge and discharge performance and the service life of the batteries are greatly guaranteed.
The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1-3, the battery in the battery module of the present invention is a cylindrical single battery 3, and two ends of the battery are positive and negative electrode ends of the battery; the fixed frame of fixing all batteries in the battery module includes: flat cylindric top cap 1 and bottom 2 and the pillar 6 of connecting top cap and bottom, the pillar is cylindric pillar, has set up a plurality of slots (not show in the picture) in the edge of top cap and bottom, and the both ends of pillar are pegged graft in the slot on top cap and bottom, and interference fit between pillar and top cap, the bottom, consequently the connection that the pillar can stabilize is between top cap and bottom, the mode of pegging graft still is favorable to dismantling, change maintenance battery. In addition, the centers of the top cover 1 and the bottom cover 2 are respectively provided with a circular heat dissipation channel opening 4 with the same size, when the top cover and the bottom cover are connected by a support to form a fixed frame, the positions of the top cover 1 and the bottom cover 2 with the same size are opposite, and the heat dissipation channel openings 4 on the top cover 1 and the bottom cover 2 are opposite, so that a vertical columnar communication gap between the two heat dissipation channel openings 4 forms a heat dissipation channel 5. And secondly, battery mounting grooves (not shown in the picture) are formed in the bottom cover 1 and the bottom cover 2, the shape of each battery mounting groove is a circle matched with the shape of the battery, the battery mounting grooves are formed around the heat dissipation channel opening 4, and the positions of the battery mounting grooves in the top cover and the bottom cover are opposite, so that the final battery can be vertically mounted. And when the both ends of battery were inserted in the battery mounting groove on top cap, the bottom, all batteries were set up around the heat dissipation passageway, and the heat that all batteries distribute out can both be gived off through the heat dissipation passageway. Meanwhile, in the embodiment, the polarities of the electrode ends of two adjacent batteries in the top cover are opposite, and the aluminum bar is connected with the two adjacent electrode ends to realize the series-parallel connection of the batteries. And be equipped with anodal wiring mouth and negative pole wiring mouth on the top cap, anodal wiring mouth and negative pole wiring mouth are located the battery mounting groove, and finally whole battery module alright use the electricity output of battery module through anodal wiring mouth, negative pole wiring mouth connecting power line, and the pencil of connecting on the battery module, the aluminium of connecting the electrode end arrange the surface and all add and be equipped with the insulating layer to ensure electrical safety.
In addition, in order to further improve the heat dissipation effect, the surface of the fixing frame is provided with a concave-convex structure 7 for increasing the heat dissipation area, and the fixing frame is made of a heat conduction material, so that the heat dissipation can be further accelerated. In the present embodiment, the outer surfaces of the top cover and the bottom cover made of metal are uneven.
Meanwhile, the battery module provided by the utility model also comprises a battery management unit, wherein the top and the bottom of the fixed frame are provided with a voltage acquisition assembly for acquiring the voltage of the battery and a temperature acquisition assembly for acquiring the temperature of the battery, the voltage acquisition assembly and the temperature acquisition assembly can transmit the acquired information of the voltage of the battery and the temperature of the battery to the battery management unit, and the battery management unit can manage the battery to realize the overheat protection, the overcurrent protection, the overload protection, the short-circuit protection and the like of the battery. The battery management unit may be fixed to the fixing frame or may be provided separately from the fixing frame. The fixed frame is provided with at least one wire harness interface and a communication interface, and the specific parameter information of the battery module can be transmitted to other equipment to be checked through the communication interface connected by a communication line.
In another embodiment, the other configurations are the same as the previous embodiment, but the difference is that a heat dissipation channel tube is connected between the top cover and the bottom cover, all the batteries are arranged around the heat dissipation channel tube, two ends of the heat dissipation channel tube can be fixed at the edge of the heat dissipation channel opening in an inserting manner, so that the heat dissipation channel tube can play a role of supporting and connecting the top cover and the bottom cover, and meanwhile, flowing cooling liquid can be injected into the heat dissipation channel tube, so that the heat dissipated by the batteries can be taken away by the cooling liquid in the flowing process, a concave-convex structure can be arranged on the heat dissipation channel tube to increase the heat dissipation area, and the heat dissipation channel tube is also made of a heat conduction material.
In other embodiments, the size and shape of the top cover and the bottom cover are not limited, and the connecting manner of the support column and the top cover and the bottom cover is also not limited, and the support column and the top cover and the bottom cover can be connected by screws.
As shown in fig. 4, the present invention also provides a battery cluster, including: battery rack 8, the above mentioned battery module. The battery rack is internally provided with a plurality of placing layers, and the placing layers are provided with supports for placing the battery modules. Every is placed the layer and is set up the district of placing of a plurality of battery modules side by side, sets up two at least circular fixed bolsters who coincide with battery module shape around every places the district. When the battery pack is used, the battery modules are sleeved on the fixed support, the top cover is generally outward, the bottom cover is generally inward, and the battery modules are connected through the positive and negative wiring ports and the wiring harness wiring port to form a battery pack.
In conclusion, the battery module provided by the utility model has the advantages that the periphery is open, the middle is provided with the heat dissipation channel, and the heat dissipation efficiency is higher; meanwhile, the design is simple, the material consumption is small, and the large-scale production is facilitated; and the fixing frame, the fixing frame and the battery of the battery module can be detached, so that the battery module is convenient to maintain and replace, is convenient to use for many times, and saves materials and cost.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. A battery module, comprising: the battery fixing frame is characterized in that a heat dissipation channel penetrating through the top and the bottom of the fixing frame is arranged in the fixing frame, and the batteries surround the heat dissipation channel.
2. The battery module according to claim 1, wherein the surface of the fixing frame is provided with a concavo-convex structure.
3. The battery module of claim 1, wherein the fixing frame comprises a top cover and a bottom cover disposed opposite to each other, a plurality of support posts connected between the top cover and the bottom cover, the support posts being distributed around the edge of the top cover, the top cover and the bottom cover being centrally provided with heat dissipation channel openings, and the communication gaps between the heat dissipation channel openings being the heat dissipation channels.
4. The battery module according to claim 3, wherein the top cover and the bottom cover are each provided with a battery mounting groove surrounding the heat dissipation channel opening, and the electrode terminals of the batteries are mounted in the battery mounting grooves.
5. The battery module according to claim 3, wherein the top cap and the bottom cap have a circular plate shape, the battery has a cylindrical shape, and the battery mounting groove and the heat dissipation channel opening have a circular shape.
6. The battery module of claim 3, wherein the top cover and the bottom cover are thermally conductive.
7. The battery module according to claim 1, further comprising a battery management unit, wherein a voltage collecting assembly for collecting a voltage of the battery and a temperature collecting assembly for collecting a temperature of the battery are provided at the top and bottom of the fixing frame.
8. The battery module according to claim 1, wherein the fixing frame is provided with at least one wire harness interface and a communication interface for transmitting data information.
9. A battery cluster comprising a battery holder, characterized by further comprising the battery module according to any one of claims 1 to 8.
10. The battery cluster according to claim 9, wherein a plurality of placing layers are arranged inside the battery rack, and a support for placing the battery modules is arranged on the placing layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220392665.1U CN216958218U (en) | 2022-02-25 | 2022-02-25 | Battery module and battery cluster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220392665.1U CN216958218U (en) | 2022-02-25 | 2022-02-25 | Battery module and battery cluster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216958218U true CN216958218U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220392665.1U Active CN216958218U (en) | 2022-02-25 | 2022-02-25 | Battery module and battery cluster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216958218U (en) |
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2022
- 2022-02-25 CN CN202220392665.1U patent/CN216958218U/en active Active
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