CN217086689U - Heat dissipation cold plate of energy storage battery pack - Google Patents
Heat dissipation cold plate of energy storage battery pack Download PDFInfo
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- CN217086689U CN217086689U CN202122286593.0U CN202122286593U CN217086689U CN 217086689 U CN217086689 U CN 217086689U CN 202122286593 U CN202122286593 U CN 202122286593U CN 217086689 U CN217086689 U CN 217086689U
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 31
- 238000004146 energy storage Methods 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 61
- 239000003507 refrigerant Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 1
- 238000010622 cold drawing Methods 0.000 abstract description 32
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 6
- 239000000110 cooling liquid Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 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
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Abstract
The utility model discloses an energy storage battery package heat dissipation cold drawing. The heat dissipation cold plate of the energy storage battery pack comprises a bottom cold plate and a side cold plate; the bottom cooling plate is horizontally arranged for placing a battery cell, and the side cooling plate is arranged on the bottom cooling plate along the vertical direction and is in contact with the side surface of the battery cell; and refrigerant media which circularly flow are arranged in the bottom cold plate and the side cold plate. The utility model discloses an energy storage battery package heat dissipation cold drawing, constitute the heat dissipation cold drawing through end cold drawing and side cold drawing, and contact with the bottom surface of electric core when bearing the placing with the help of end cold drawing to electric core, contact with the side of electric core by the side cold drawing again, thereby make the bottom surface and the side of this heat dissipation cold drawing and electric core form direct contact simultaneously, and then utilize end cold drawing and the cold medium matter of side cold drawing mesocycle flow to realize the synchronous heat exchange to electric core bottom surface and side, reach the accurate quick heat dissipation cooling effect to electric core.
Description
Technical Field
The utility model belongs to the technical field of the energy storage battery, in particular to energy storage battery package heat dissipation cold drawing.
Background
With the development of an electric energy storage technology and the demand of a new energy market, a low-capacity energy storage system cannot meet the demand of customers, the demand of a high-capacity energy storage system is increased rapidly, and an energy storage Battery pack is used as a basic Unit of the energy storage system and mainly used for realizing the technical demands of Battery cell fixation, Battery cell heat dissipation, high-voltage electric connection, low-voltage signal acquisition, BMU (Battery Management Unit) fixation, product frame matching, Battery cell heat Management and the like.
The battery pack comprises an energy storage battery pack, a battery safety and a battery thermal management technology, wherein the battery is arranged in the battery pack, the battery safety and the battery thermal management technology are connected with the battery thermal management technology, and the battery thermal management technology is connected with the battery thermal management technology.
Currently, the cooling methods for energy storage battery packs are mainly air cooling and liquid cooling. Air cooling is to use air as a heat exchange medium, and heat exchange between the battery cell and the operating environment is realized through an air duct configured by the energy storage system and an air conditioner. The forced air cooling has certain degree of delay to the heat dissipation cooling of electric core, cooling speed is slow, the radiating efficiency is low, and under the big electric core condition of adoption, big electric core is thick, difficult heat dissipation, easy swell, electric core compression forced air cooling passageway causes air-cooled efficiency to reduce once more after the swell, the uneven problem of electric core and battery package bulk temperature distribution appears, very easily cause the battery thermal runaway and cause raw and other materials to decompose and electric core inefficacy with higher speed in the electric core, endanger whole battery package or even whole energy storage system safety. The liquid cooling utilizes liquid as a heat exchange medium, the surface of the battery cell is completely contacted with the cooling liquid by immersing the whole battery cell into the circulating cooling liquid, the heat generated during the operation of the battery cell can be directly absorbed, the specific heat capacity of the cooling liquid is large, the heat absorption effect is obvious, but the usage amount of the cooling liquid is very large and the cost is high in the liquid cooling mode, and the matched cooling liquid circulating heat exchange system has high manufacturing cost, so that the liquid cooling mode cannot be popularized and applied in a large scale.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model discloses an energy storage battery package heat dissipation cold drawing to overcome above-mentioned problem or solve above-mentioned problem at least partially.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat dissipation cold plate of an energy storage battery pack comprises a bottom cold plate and a side cold plate; the bottom cooling plate is horizontally arranged for placing a battery cell, and the side cooling plate is arranged on the bottom cooling plate along the vertical direction and is in contact with the side surface of the battery cell; and refrigerant media which circularly flow are arranged in the bottom cold plate and the side cold plate.
Optionally, the bottom cold plate is communicated with the side cold plate, and the refrigerant medium circulates between the bottom cold plate and the side cold plate.
Optionally, the heat dissipation cold plate of the energy storage battery pack further comprises a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are connected with the bottom cold plate and used for introducing a cold medium into the bottom cold plate and leading out the bottom cold plate.
Optionally, the side cold plate is communicated with the bottom cold plate through a liquid inlet branch pipe and a liquid outlet branch pipe which are provided with water nozzles.
Optionally, the side cold plate comprises a front sleeve, a rear sleeve and at least two single cold plates; the interior of the single cold plate is provided with a cooling channel along the length direction of the single cold plate, at least two single cold plates are arranged in parallel along the vertical direction, and the front sleeve and the rear sleeve are respectively connected with two ends of the single cold plates; and runners are respectively arranged in the front sleeve and the rear sleeve and are used for connecting the cooling channels between the at least two single cold plates in series.
Optionally, the bottom cold plate comprises a front sleeve, a rear sleeve and at least two single cold plates; the interior of the single cold plate is provided with a cooling channel along the length direction of the single cold plate, at least two single cold plates are arranged in parallel along the horizontal direction, and the front sleeve and the rear sleeve are respectively connected with two ends of the single cold plates; and runners are respectively arranged in the front sleeve and the rear sleeve and are used for connecting the cooling channels between the at least two single cold plates in series.
Optionally, the single cold plate is prepared by extrusion molding of a die.
Optionally, the cooling channel inside the single cold plate is a porous channel.
Optionally, the front sleeve and/or the rear sleeve are/is a square tube; the side of square pipe be equipped with the side opening that the single cold plate is connected, be equipped with the inserted sheet on the square pipe to it is different to change the intercommunication relation between the side opening.
Optionally, the side cooling plate and the bottom cooling plate are detachably connected.
The utility model has the advantages and beneficial effects that:
the utility model discloses in, constitute heat dissipation cold drawing through end cold drawing and side cold drawing to contact with the bottom surface of electric core when bearing placing electric core with the help of end cold drawing, borrow the side of side cold drawing and electric core to contact again, thereby make this heat dissipation cold drawing and the bottom surface and the side of electric core form direct contact simultaneously, and then utilize end cold drawing and the cold medium matter of side cold drawing mesocycle flow to realize the synchronous heat exchange to electric core bottom surface and side, reach the accurate quick heat dissipation cooling effect to electric core.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic diagram of a heat sink of an energy storage battery pack according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an embodiment of the present invention, in which a heat dissipation cold plate of an energy storage battery pack is connected to a battery cell;
fig. 3 is a schematic structural diagram of a side cooling plate according to an embodiment of the present invention;
fig. 4 is an exploded view of a side cooling plate according to an embodiment of the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to perform clear and complete description of the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present embodiment discloses a heat dissipation cold plate for an energy storage battery pack, which includes a bottom cold plate 1 and a side cold plate 2. The bottom cooling plate 1 is horizontally arranged and used for bearing and placing the battery cell 3, and the side cooling plate 2 is arranged on the bottom cooling plate 1 in the vertical direction and is in contact with the side face of the battery cell 3. Meanwhile, the inside of the bottom cold plate 1 and the side cold plate 2 are respectively provided with a refrigerant medium which circularly flows.
At this moment, constitute heat dissipation cold plate through by end cold drawing and side cold drawing to contact with the bottom surface of electric core when bearing placing electric core with the help of end cold drawing, borrow the side of side cold drawing and electric core to contact again, thereby make this heat dissipation cold drawing and the bottom surface and the side of electric core form direct contact simultaneously, and then utilize end cold drawing and the cold medium matter of side cold drawing mesocycle flow to realize the synchronous heat exchange to electric core bottom surface and side, reach the accurate quick cooling effect that dispels the heat to electric core.
In this embodiment, the side cold plate 2 is vertically fixed at the middle position of the bottom cold plate 1 along the width direction, so that the two sides of the side cold plate 2 can be used for placing the battery cells 3 at the same time, and the effect of simultaneously cooling the two rows of battery cells 3 by heat dissipation is realized. Of course, in other embodiments, the side cooling plates 2 may be disposed on both sides of the bottom cooling plate 1 in the width direction, and the battery cells 3 are disposed between the two side cooling plates 2, so as to form an effect of cooling and dissipating heat from both side surfaces of the single row of battery cells 3. Even in other embodiments, the plurality of side cooling plates may be sequentially arranged along the length direction of the bottom cooling plate, so as to cool the side surface of the battery core along the length direction of the bottom cooling plate.
In the embodiment, the bottom cold plate 1 is communicated with the side cold plate 2, so that the refrigerant medium forms a circulating flow between the bottom cold plate 1 and the side cold plate 2. Meanwhile, a liquid inlet pipe 4 and a liquid outlet pipe 5 are arranged at the end part of the bottom cold plate 1 and are respectively used for leading the refrigerant medium into the bottom cold plate 1 and leading the bottom cold plate 1 out, so that the refrigerant medium circularly flows in the bottom cold plate 1 and the side cold plate 2, and the heat dissipation and cooling effects on the battery cell 3 are guaranteed.
Meanwhile, a liquid inlet branch pipe 6 with a water nozzle and a liquid outlet branch pipe 7 with a water nozzle are also arranged between the bottom cold plate 1 and the side cold plate 2 and are used for realizing the communication between the bottom cold plate 1 and the side cold plate 2. Therefore, by means of opening and closing control and opening control of the water nozzle, the circulating flow condition of the refrigerant medium between the cooling plate and the side cooling plate can be adjusted, and the effect of controlling heat dissipation and cooling of the battery core is improved.
In other embodiments, the liquid inlet pipe and the liquid outlet pipe may be disposed on the side cooling plate according to different designs and use conditions, and the refrigerant medium is introduced into the side cooling plate and then introduced into the bottom cooling plate through the liquid inlet branch pipe and the liquid outlet branch pipe to flow circularly. Even in other embodiments, the liquid inlet branch pipe and the liquid outlet branch pipe may be omitted, and the independent liquid inlet pipe and the independent liquid outlet pipe are respectively disposed on the bottom cold plate and the side cold plate, so as to realize independent circulation flow of the refrigerant medium in the bottom cold plate and the side cold plate.
As shown in fig. 3 and 4, the side cold plate 2 of the present embodiment includes a front sleeve 21, a rear sleeve 22, and two single cold plates 23. The single cold plate 23 is a long strip-shaped plate structure and is provided with a plurality of cooling channels along the length direction thereof inside, and the two single cold plates 23 are arranged in parallel along the vertical direction. The front sleeve 21 and the rear sleeve 22 are respectively connected with two ends of the single cold plates 23, and flow channels are respectively arranged inside the front sleeve 21 and inside the rear sleeve 22 and used for connecting cooling channels between the two single cold plates 23 in series. Therefore, the two single cold plates can be connected into a whole by means of the front sleeve and the rear sleeve, the cooling channels between the two single cold plates are connected in series to form a circulation flow channel of the refrigerant medium, and then the liquid inlet branch pipe and the liquid outlet branch pipe which are arranged on the front sleeve are matched to form connection with the bottom cold plate, so that the refrigerant medium can circularly flow between the bottom cold plate and the side cold plate.
At this moment, through designing the side cold drawing for the split type structural style of compriseing preceding cover, back cover and two single cold drawing, not only can take place to carry out quick assembly disassembly to the single cold drawing of damage and change under the condition of damage at single cold drawing, improve the convenience of maintaining, reduce the maintenance cost, but also can make the side cold drawing form standardized design, reduce manufacturing cost.
Meanwhile, in the present embodiment, the inside of the single cold plate is designed by using an aluminum material with a porous channel, and is prepared by die extrusion. Therefore, the cooling medium can flow through the single cold plate more uniformly, the heat exchange efficiency between the single cold plate and the battery is improved, the preparation cost can be further reduced, and the preparation efficiency is improved. In other embodiments, the single cold plate may be manufactured by other low-cost manufacturing methods, such as a blow-up process.
As shown in fig. 4, in the present embodiment, the front cover 21 and the rear cover 22 are in the form of a square tube structure. Wherein, the side of the square tube of the front sleeve 21 and the back sleeve 22 is respectively provided with two side holes 24 connected with the single cold plate 23, and both ends and the inside of the square tube of the front sleeve 21 are respectively provided with an inserting piece 25, so that the two side holes 24 of the front sleeve 21 are kept in a disconnected state and the two side holes 24 are respectively connected with the water tap 61 of the liquid inlet branch pipe 6 and the water tap 71 of the liquid outlet branch pipe 7, and both ends of the square tube of the back sleeve 22 are provided with the inserting pieces 25 and the inside thereof is not provided with the inserting pieces 25, so that the two side holes 24 of the back sleeve 22 are kept in a connected state, thereby the two single cold plates 23 form a C-shaped flow passage.
Similarly, in other embodiments, according to different design and use conditions, the number of the single cold plates in the side cold plate can be adjusted, and the number and positions of the side holes and the insertion pieces on the front sleeve and the rear sleeve can be adjusted at the same time, so that the side cold plate forms different forms of flow channels, for example, an S-shaped flow channel formed by three single cold plates, so as to realize different circulation flow effects of a refrigerant medium in the side cold plate and enhance the heat dissipation and cooling effects on the battery cell.
Meanwhile, in the embodiment, the bottom cold plate also adopts the same split type structural design as the side cold plate, namely the bottom cold plate is also composed of a front sleeve, a rear sleeve and two single cold plates, so that the maintenance of the bottom cold plate and the preparation cost of the bottom cold plate are convenient to reduce.
In addition, as shown in fig. 1, in this embodiment, the side cold plate 2 is detachably connected to the bottom cold plate 1, for example, a slot is formed in the rear sleeve of the bottom cold plate 1, the rear sleeve of the side cold plate 2 is inserted into the slot along the vertical direction, and the front sleeve of the side cold plate 2 is fixedly connected to the front sleeve of the bottom cold plate 1 by the hard liquid inlet branch pipe 6 and the hard liquid outlet branch pipe 7. Therefore, standardization and modularization of the whole heat dissipation cold plate can be achieved, manufacturing cost is reduced, disassembly and assembly maintenance of the whole heat dissipation cold plate are facilitated, maintenance cost is reduced, and using efficiency is improved.
In view of the above, it is only the specific embodiments of the present invention that other modifications and variations can be made by those skilled in the art based on the above-described embodiments in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the claims.
Claims (7)
1. A heat dissipation cold plate for an energy storage battery pack is characterized by comprising a bottom cold plate and a side cold plate; the bottom cooling plate is horizontally arranged for placing a battery cell, and the side cooling plate is arranged on the bottom cooling plate along the vertical direction and is in contact with the side surface of the battery cell; the bottom cold plate and the side cold plates are internally provided with cold medium substances which circularly flow; the bottom cold plate is communicated with the side cold plate, and a refrigerant medium circularly flows between the bottom cold plate and the side cold plate; the liquid inlet pipe and the liquid outlet pipe are connected with the bottom cold plate and used for introducing cold media into the bottom cold plate and leading out the bottom cold plate; the side cooling plate is communicated with the bottom cooling plate through a liquid inlet branch pipe and a liquid outlet branch pipe which are provided with water nozzles.
2. The energy storage battery pack thermal cold plate of claim 1, wherein the side cold plate comprises a front pocket, a rear pocket, and at least two single cold plates; the interior of the single cold plate is provided with a cooling channel along the length direction of the single cold plate, at least two single cold plates are arranged in parallel along the vertical direction, and the front sleeve and the rear sleeve are respectively connected with two ends of the single cold plates; and runners are respectively arranged in the front sleeve and the rear sleeve and are used for connecting the cooling channels between the at least two single cold plates in series.
3. The energy storage battery pack thermal cold plate of claim 1, wherein the underfloor plate comprises a front nest, a rear nest, and at least two single cold plates; the interior of the single cold plate is provided with a cooling channel along the length direction of the single cold plate, at least two single cold plates are arranged in parallel along the horizontal direction, and the front sleeve and the rear sleeve are respectively connected with two ends of the single cold plates; and runners are respectively arranged in the front sleeve and the rear sleeve and are used for connecting the cooling channels between the at least two single cold plates in series.
4. The heat dissipating cold plate of the energy storage battery pack according to claim 2 or 3, wherein the single cold plate is manufactured by extrusion molding of a mold.
5. The energy storage battery pack heat sink according to claim 2 or 3, wherein the cooling channels inside the single cold plate are porous channels.
6. The energy storage battery pack heat dissipation cold plate of claim 2 or 3, wherein the front sleeve and/or the rear sleeve are square tubes; the side of square pipe be equipped with the side opening that the single cold plate is connected, be equipped with the inserted sheet on the square pipe to it is different to change the intercommunication relation between the side opening.
7. The energy storage battery pack heat dissipation cold plate of any of claims 1-3, wherein the side cold plate is removably connected to the bottom cold plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122286593.0U CN217086689U (en) | 2021-09-22 | 2021-09-22 | Heat dissipation cold plate of energy storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122286593.0U CN217086689U (en) | 2021-09-22 | 2021-09-22 | Heat dissipation cold plate of energy storage battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217086689U true CN217086689U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122286593.0U Active CN217086689U (en) | 2021-09-22 | 2021-09-22 | Heat dissipation cold plate of energy storage battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217086689U (en) |
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2021
- 2021-09-22 CN CN202122286593.0U patent/CN217086689U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240207 Address after: Guangdong Power Grid Production Dispatch Base, No. 63 Pazhou Avenue, Haizhu District, Guangzhou City, Guangdong Province, 510220 (Building 1, 3001) Patentee after: Guangdong Power Grid Energy Investment Co.,Ltd. Country or region after: China Patentee after: GUANGZHOU ZHIGUANG ELECTRIC Co.,Ltd. Address before: 510760 No. 51 Pu Nan Road, Whampoa District, Guangzhou, Guangdong. Patentee before: GUANGZHOU ZHIGUANG ELECTRIC Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |