CN217719755U - Lithium battery module heat management device - Google Patents
Lithium battery module heat management device Download PDFInfo
- Publication number
- CN217719755U CN217719755U CN202221622574.9U CN202221622574U CN217719755U CN 217719755 U CN217719755 U CN 217719755U CN 202221622574 U CN202221622574 U CN 202221622574U CN 217719755 U CN217719755 U CN 217719755U
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- China
- Prior art keywords
- lithium battery
- battery module
- heat
- heat pump
- management device
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- 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 75
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 75
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000004411 aluminium Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000005494 condensation Effects 0.000 claims description 12
- 238000009833 condensation Methods 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a lithium battery module heat management device, which comprises a lithium battery module, a front aluminum end plate, a rear aluminum end plate, a first side aluminum heat exchange plate, a second side aluminum heat exchange plate, a heat pump cold and hot liquid supply system positioned at the front end of the lithium battery module, a control panel arranged on the second side aluminum heat exchange plate, and a bottom plate arranged below the lithium battery module and the heat pump cold and hot liquid supply system; the device makes lithium cell module heat efficiency relative altitude that rises and falls, the heat pump heats and is more than 3 times of PTC electrical heating, first side aluminium system heat transfer board and second side aluminium system heat transfer board are direct to hug closely the installation with the lithium cell module and can improve the heat transfer effect, the cold and hot liquid supply system of heat pump can be quick provides high low temperature liquid and for the heat transfer board for electric core heat transfer, make the lithium cell module keep working under the 25 ℃ of ideal circumstances, effectively improve the charge and discharge performance of lithium cell module, and the electric core cycle life of extension lithium cell module with keep the uniformity of electric core.
Description
Technical Field
The utility model relates to a new forms of energy lithium cell energy storage field, concretely relates to lithium cell module heat management device.
Background
The existing lithium battery module uses a fan to forcibly dissipate heat, and has the main defect of poor heat dissipation capability, and when the lithium battery module 1C or a larger current is charged and discharged, the heat dissipation capability of the fan is seriously insufficient, and the temperature of a battery core rises. When ambient temperature is low, adopt PTC heating to heat for the lithium cell module, its heating method energy efficiency ratio is low. Lithium cell module long-time during operation electricity core capacity decline more, the internal resistance increase, and electric core uniformity variation is poor in same lithium cell module, leads to electric core life cycle to shorten, more probably the risk of lithium cell thermal runaway under extreme condition.
Disclosure of Invention
In view of this, the utility model aims at providing an effectively improve lithium cell module charge-discharge performance and prolong among the lithium cell module electric core cycle life and keep the lithium cell module heat management device of electric core uniformity.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a lithium battery module heat management device, includes the lithium battery module who comprises the lithium cell range more than, is used for fixing lithium battery module's preceding aluminium system end plate and back aluminium system end plate, fixed mounting be in lithium battery module one side, inside first side aluminium system heat transfer board that is equipped with the circulating line, fixed mounting be in lithium battery module opposite side, inside second side aluminium system heat transfer board that is equipped with the circulating line, be located lithium battery module front end, and connect the cold and hot liquid supply system of heat pump of first side aluminium system heat transfer board and second side aluminium system heat transfer board, install control panel on the second side aluminium system heat transfer board, and set up the bottom plate of lithium battery module and the cold and hot liquid supply system below of heat pump.
Preferably, a liquid inlet and a liquid outlet are formed in the first side aluminum heat exchange plate towards the direction of the heat pump cold and hot liquid supply system.
Preferably, the structure of the second side aluminum heat exchange plate is consistent with that of the first side aluminum heat exchange plate.
Preferably, the heat pump cold and hot liquid supply system includes a condenser, a plate heat exchanger installed above the condenser, a compressor and a heat pump installed inside the condenser.
Furthermore, the condenser comprises a condensation box, a fan unit and a condensation box pipeline, wherein the fan unit is installed in a matched mode, and the condensation box pipeline extends out of the condensation box and is connected with the plate type heat exchanger.
Furthermore, a plate heat exchanger pipeline extends out of the plate heat exchanger.
Furthermore, a four-way reversing valve is arranged at the upper end of the compressor.
Further, a first heat pump pipeline and a second heat pump pipeline are arranged on the heat pump.
Preferably, the control panel is extended with a lithium battery cell temperature probe and a liquid probe.
The utility model discloses technical effect mainly embodies in following aspect: the device makes lithium cell module heat efficiency relative altitude that rises and falls, the heat pump heats and is more than 3 times of PTC electrical heating, first side aluminium system heat transfer board and second side aluminium system heat transfer board are direct to hug closely the installation with the lithium cell module and can improve the heat transfer effect, the cold and hot liquid supply system of heat pump can be quick provides high low temperature liquid and for the heat transfer board for electric core heat transfer, make the lithium cell module keep working under the 25 ℃ of ideal circumstances, effectively improve the charge and discharge performance of lithium cell module, and the electric core cycle life of extension lithium cell module with keep the uniformity of electric core.
Drawings
Fig. 1 is a three-dimensional structure diagram of a lithium battery module heat management device of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
fig. 5 is an exploded view of fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so as to make the technical solutions of the present invention easier to understand and grasp.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right side", "left end", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
Examples
The utility model provides a lithium battery module heat management device, as shown in fig. 1-4, includes the lithium battery module 1 of constituteing by the lithium cell range more than, is used for fixing the preceding aluminium system end plate 2 and the back aluminium system end plate 3 of lithium battery module 1, fixed mounting in lithium battery module 1 one side, the inside first side aluminium system heat transfer board 4 that is equipped with the circulating line, fixed mounting in lithium battery module 1 opposite side, the inside second side aluminium system heat transfer board 5 that is equipped with the circulating line, be located lithium battery module 1 front end, and connect first side aluminium system heat transfer board 4 and the cold and hot liquid supply system 6 of heat pump of second side aluminium system heat transfer board 5, install control panel 7 on the second side aluminium system heat transfer board 5, and set up and be in bottom plate 8 of lithium battery module 1 and the cold and hot liquid supply system 6 below of heat pump.
As shown in fig. 5, the first side aluminum heat exchange plate 4 is provided with a liquid inlet 41 and a liquid outlet 42 facing the heat pump cold and hot liquid supply system 6, and specifically, the liquid inlet 41 and the liquid outlet 42 are alternately distributed and communicated with an internal circulation pipeline. The structure of the second-side aluminum heat exchange plate 5 is the same as that of the first-side aluminum heat exchange plate 4, specifically, the liquid inlets of the first-side aluminum heat exchange plate 4 and the second-side aluminum heat exchange plate 5 are communicated with the heat pump cold and hot liquid supply system 6 in a series connection manner, and similarly, the liquid outlets of the first-side aluminum heat exchange plate 4 and the second-side aluminum heat exchange plate 5 are also communicated with the heat pump cold and hot liquid supply system 6 in a series connection manner. The heat pump cold and hot liquid supply system 6 includes a condenser 61, a plate heat exchanger 62 installed above the condenser 61, a compressor 63 and a heat pump 64 installed inside the condenser 61. The condenser 61 comprises a condensation box 61, a fan unit 612 installed in cooperation with the condensation box 611, and a condensation box duct 613 extending from the condensation box 61 and connected to the plate heat exchanger 62. A plate heat exchanger pipe 621 extends from the plate heat exchanger 62, and specifically, the plate heat exchanger 62 is communicated with the liquid inlet 41 of the first side aluminum heat exchange plate 4 and the second side aluminum heat exchange plate 5 by using the plate heat exchanger pipe 621. The upper end of the compressor 63 is provided with a four-way reversing valve 631, and specifically, the compressor 63 is communicated with the condenser 61, the plate heat exchanger 62 and the heat pump 64 through the four-way reversing valve 631 by using a pipeline. The heat pump 64 is provided with a first heat pump pipeline 641 and a second heat pump pipeline 642, specifically, the heat pump 64 is communicated with the plate heat exchanger 62 through the first heat pump pipeline 641, and in addition, the heat pump 64 is communicated with the liquid outlets 41 of the first side aluminum heat exchange plate 4 and the second side aluminum heat exchange plate 5 through the second heat pump pipeline 642, so that the solutions inside the first side aluminum heat exchange plate 4 and the second side aluminum heat exchange plate 5 can be extracted. The control board 7 extends to form a lithium battery cell temperature probe 71 and a liquid probe 72, specifically, the control board 7 is a POLISH temperature control board, and the liquid probe 72 is installed on the first heat pump pipeline 641, and can detect the temperature of the liquid delivered into the plate heat exchanger 62 by the heat pump 64.
The working principle is as follows: with reference to fig. 1 to 5, a heat pump hot and cold liquid supply system 6 supplies hot and cold liquid to the first side aluminum heat exchange plate 4 and the second side aluminum heat exchange plate 5 through connected pipes to cool or heat the plates.
When the control panel 7 detects that the temperature of the lithium battery module 1 is higher than 30 ℃, the heat pump 64 starts a refrigeration mode to provide a 20 ℃ glycol solution for the first side aluminum heat exchange plate 4 and the second side aluminum heat exchange plate 5 through the connecting pipelines to cool the lithium battery module 1;
when control panel 7 detects that lithium cell module 1 temperature is 20 ℃, heat pump 64 opens the mode of heating and provides 30 ℃ for first side aluminium system heat transfer board 4 and second side aluminium system heat transfer board 5 ethylene glycol for lithium cell module 1 heating, consequently can be better keep lithium cell module 1 to work at the 25 ℃ of ideal to effectual improvement lithium cell module 1 charge-discharge performance, and the battery core cycle life of extension lithium cell module 1 and the uniformity that keeps electric core.
The utility model discloses technical effect mainly embodies in following aspect: the device makes lithium cell module heat efficiency relative altitude that rises and falls, the heat pump heats to be more than 3 times of PTC electrical heating, first side aluminium system heat transfer board and second side aluminium system heat transfer board are direct to hug closely the installation with the lithium cell module and can improve the heat transfer effect, the cold and hot liquid supply system of heat pump can be quick provide high low temperature liquid for the heat transfer board for electric core heat rising and falling, make the lithium cell module keep working under the 25 ℃ of ideal circumstances, effectively improve the charge and discharge performance of lithium cell module, and prolong the electric core cycle life of lithium cell module and keep the uniformity of electric core.
Of course, the above is only the typical example of the present invention, in addition, the present invention can also have other multiple specific embodiments, and all the technical solutions formed by adopting equivalent replacement or equivalent transformation all fall within the scope of the present invention.
Claims (9)
1. The utility model provides a lithium cell module heat management device which characterized in that: include the lithium battery module who constitutes by the lithium cell range more than, be used for fixing lithium battery module's preceding aluminium system end plate and back aluminium system end plate, fixed mounting are in lithium battery module one side, inside first side aluminium system heat transfer board that is equipped with the circulating line, fixed mounting are in lithium battery module opposite side, inside second side aluminium system heat transfer board that is equipped with the circulating line, be located lithium battery module front end, and connect the cold and hot liquid supply system of heat pump of first side aluminium system heat transfer board and second side aluminium system heat transfer board, install control panel on the second side aluminium system heat transfer board, and set up the bottom plate of lithium battery module and the cold and hot liquid supply system below of heat pump.
2. The lithium battery module thermal management device of claim 1, wherein: and a liquid inlet and a liquid outlet are formed in the first side aluminum heat exchange plate in the direction towards the heat pump cold and hot liquid supply system.
3. The lithium battery module thermal management device of claim 1, wherein: the structure of the second side aluminum heat exchange plate is consistent with that of the first side aluminum heat exchange plate.
4. The lithium battery module thermal management device of claim 1, wherein: the heat pump cold and hot liquid supply system comprises a condenser, a plate heat exchanger arranged above the condenser, a compressor arranged on the inner side of the condenser and a heat pump.
5. The lithium battery module thermal management device of claim 4, wherein: the condenser comprises a condensation box, a fan unit matched with the condensation box for installation, and a condensation box pipeline extending from the condensation box and connected with the plate heat exchanger.
6. The lithium battery module thermal management device of claim 4, wherein: and a plate heat exchanger pipeline extends out of the plate heat exchanger.
7. The lithium battery module thermal management device of claim 4, wherein: the upper end of the compressor is provided with a four-way reversing valve.
8. The lithium battery module thermal management device of claim 4, wherein: the heat pump is provided with a first heat pump pipeline and a second heat pump pipeline.
9. The lithium battery module thermal management device of claim 1, wherein: and a lithium battery cell temperature probe and a liquid probe extend out of the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221622574.9U CN217719755U (en) | 2022-06-27 | 2022-06-27 | Lithium battery module heat management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221622574.9U CN217719755U (en) | 2022-06-27 | 2022-06-27 | Lithium battery module heat management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217719755U true CN217719755U (en) | 2022-11-01 |
Family
ID=83775679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221622574.9U Active CN217719755U (en) | 2022-06-27 | 2022-06-27 | Lithium battery module heat management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217719755U (en) |
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2022
- 2022-06-27 CN CN202221622574.9U patent/CN217719755U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231120 Address after: Building 3, Building 2, No. 33 Gongye South Road, Chengnan Town, Ninghua County, Sanming City, Fujian Province, 365400 Patentee after: Ninghua Times New Energy Technology Co.,Ltd. Address before: Room 108D, South Building, Weiye Building, No. 11-2, Torch East Road, Torch High tech Zone, Xiamen, Fujian 361000 Patentee before: Beitewei (Xiamen) Electronic Technology Co.,Ltd. |