CN220569759U - Liquid cooling device for energy storage battery pack - Google Patents

Liquid cooling device for energy storage battery pack Download PDF

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Publication number
CN220569759U
CN220569759U CN202322146416.1U CN202322146416U CN220569759U CN 220569759 U CN220569759 U CN 220569759U CN 202322146416 U CN202322146416 U CN 202322146416U CN 220569759 U CN220569759 U CN 220569759U
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China
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liquid cooling
liquid
battery pack
main body
plate main
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CN202322146416.1U
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潘红煌
陈国保
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Jiangsu Naquan Zhenyuan Energy Storage Technology Co ltd
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Jiangsu Naquan Zhenyuan Energy Storage Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Battery Mounting, Suspending (AREA)

Abstract

The utility model provides a liquid cooling device for an energy storage battery pack, which comprises a liquid cooling plate main body, wherein a cooling liquid inlet water nozzle is arranged on the left side of the upper end of the liquid cooling plate main body, a cooling liquid outlet water nozzle is arranged on the right side of the upper end of the liquid cooling plate main body, the liquid cooling plate main body adopts a rectangular box body, 10 channels are respectively arranged on the left side and the right side of the liquid cooling plate main body, the upper ends of the channels are in sealing connection with the liquid cooling plate main body, and a horizontal throttling block is arranged at the middle bottom of the liquid cooling plate main body. The liquid cooling plate main body is a rectangular box body, 10 channels are respectively arranged at the left and right sides of the box body, a plurality of different throttling blocks are arranged on the channels, and throttling holes are arranged on the forward throttling block, the reverse throttling block and the horizontal throttling block to increase resistance, so that the flow of the cooling liquid in the box body is uniform, and the overlarge flow difference is avoided; the outside is provided with the cold water machine, and the coolant is imported from coolant inlet water injection well choke, and coolant outlet water injection well choke goes out, then handles the cooling through the cold water machine. The utility model is placed under the battery pack or the battery core to achieve the purpose of cooling.

Description

Liquid cooling device for energy storage battery pack
Technical Field
The utility model relates to the field of battery pack cooling, in particular to a liquid cooling device for an energy storage battery pack.
Background
The energy density of the existing energy storage battery pack system is larger and larger, the heat generation of the system is increased, the air cooling heat dissipation mode can not meet the heat management requirement of the system, and compared with air cooling, liquid cooling has a higher heat exchange coefficient and more uniform temperature distribution, so that the system becomes the main stream. The existing liquid cooling plate has some defects in the using process and needs to be improved: the harmonica-type liquid cooling plate has the advantages of low cost, light weight, relatively simple structure, high production efficiency and the like, but has a common heat exchange effect and poor bearing capacity due to a single flow passage, a small contact area and a thin pipeline wall; the stamping type liquid cooling plate has the advantages of optional design of a runner, large contact area, good heat exchange effect, high production efficiency, good pressure resistance and strength and the like, but has higher cost, high requirement on flatness and high installation difficulty because of needing to open a die; the inflation type liquid cooling plate has the advantages of low cost, good heat exchange effect, high production efficiency and the like, but because the material is soft, a large short plate exists in the aspects of pressure resistance and strength; the parallel flow tube type liquid cooling belt has the advantages of good heat exchange effect and suitability for cylindrical battery cells, but has high cost due to the complex structure. Therefore, we propose an improved liquid cooling device for an energy storage battery pack.
Disclosure of Invention
The utility model aims at: aiming at the problems of the prior art, the utility model provides the following technical proposal for realizing the purpose of the utility model: the utility model provides a liquid cooling device for energy storage battery package, includes the liquid cooling board main part, the upper end left side of liquid cooling board main part is provided with the coolant liquid inlet tap, the upper end right side of liquid cooling board main part is provided with the coolant liquid water outlet tap, the liquid cooling board main part adopts the rectangle box, respectively there are 10 passageways about the liquid cooling board main part, the upper end of passageway with liquid cooling board main part is sealed to be connected, the left side passageway of liquid cooling board main part is provided with forward throttle piece, the right side passageway of liquid cooling board main part is provided with reverse throttle piece, the middle bottom of liquid cooling board main part is provided with horizontal throttle piece.
By adopting the structure, the cooling liquid inlet water nozzle is responsible for introducing the cooling liquid into the battery pack liquid cooling device, and continuous cooling medium is provided for the subsequent cooling process. The cooling liquid water outlet nozzle is used for discharging the cooling liquid which is cooled by the battery pack or the battery core out of the battery pack so as to realize heat emission and heat dissipation. The liquid cooling plate main body is used as a core part of the whole battery pack liquid cooling device and bears the tasks of heat conduction and heat dissipation. The device is a rectangular box body, the left and right sides of the rectangular box body are respectively provided with 10 channels, and a plurality of different throttling blocks are arranged on the channels. The throttle block is provided with the throttle hole to increase resistance, so that the flow of the cooling liquid in the box body is uniform, and the overlarge flow difference is avoided. The outside is provided with the cooling water machine and is used for carrying out cooling treatment to the coolant liquid of getting into.
As a preferable technical scheme of the utility model, the positive throttling block is provided with an S-shaped channel throttling hole.
By adopting the structure, the flow of the cooling liquid is controlled through the effect of the forward throttling block, so that the cooling liquid is uniformly distributed in the battery pack, and heat concentration caused by overlarge flow difference is avoided. The S-shaped channel orifice can increase the flow area and the flow path, and improve the cooling effect.
As a preferable technical scheme of the utility model, the reverse throttle block is provided with an I-shaped channel throttle hole.
With the above structure, the flow rate of the cooling liquid is controlled by the action of the reverse throttle block, and the same action is achieved when the cooling liquid flows in the opposite direction to the forward throttle block. The "I" channel structure can effectively guide and distribute the flow variation in the direction of coolant flow.
As a preferable technical scheme of the utility model, the horizontal throttling block is provided with a zigzag channel throttling hole.
By adopting the structure, the flow change in the flowing direction of the cooling liquid is guided and distributed at the bottom or the side surface of the battery pack through the function of the horizontal throttling block, so that a better heat dissipation effect is achieved. The zigzag channel structure can increase the flow area and the flow path and improve the heat dissipation efficiency.
As a preferable technical scheme of the utility model, an aluminum extrusion plate is arranged in the liquid cooling plate main body.
As a preferable technical scheme of the utility model, sealing plates are arranged at four sides of the liquid cooling plate main body.
With the structure, the side edge is sealed by the sealing plate.
As a preferable technical scheme of the utility model, the sealing plate is provided with a seal.
By adopting the structure, the gap between the battery pack and the liquid cooling plate main body is sealed by the seal, so that heat in the air is prevented from being transferred to an internal circuit system and the external environment to influence the performance and the safety of the internal circuit system; meanwhile, the damage or the failure caused by the entry of pollutants such as moisture, dust and the like into the equipment is prevented; ensure the equipment to work normally in severe environment and prolong the service life.
As a preferable technical scheme of the utility model, the cooling liquid inlet water nozzle and the cooling liquid outlet water nozzle are connected with a water chiller arranged outside through a pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
in the scheme of the utility model:
1. the forward throttling block is used for controlling the flow of the cooling liquid, so that the cooling liquid is uniformly distributed in the battery pack, and the heat concentration and the overlarge pressure caused by overlarge flow difference are avoided. The S-shaped channel orifice can increase the flow area and the flow path, and improve the cooling effect. The reverse throttle block also controls the flow rate of the coolant, and functions in the same manner as the forward throttle block. The "I" channel structure can effectively guide and distribute the flow variation in the direction of coolant flow. The horizontal throttling block is used for guiding and distributing the flow change of the cooling liquid in the flowing direction at the bottom or side surface of the battery pack so as to achieve better heat dissipation effect. The zigzag channel structure can increase the flow area and the flow path, and improve the heat dissipation efficiency;
4. the liquid cooling plate main body is a rectangular box body, 10 channels are respectively arranged at the left and right sides, a plurality of different throttling blocks are arranged on the channels, and throttling holes are formed in the forward throttling block, the reverse throttling block and the horizontal throttling block to increase resistance, so that the flow of the cooling liquid in the box body is uniform, and the overlarge flow difference is avoided; the outside is provided with the cold water machine, and the coolant is imported from coolant inlet water injection well choke, and coolant outlet water injection well choke goes out, then handles the cooling through the cold water machine. The device is placed at the lower part of the battery pack or the battery core, so that the aim of cooling is effectively achieved.
Description of the drawings:
FIG. 1 is a schematic view of an internal structure provided by the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic diagram of a forward throttle block structure according to the present utility model;
FIG. 4 is a schematic diagram of a reverse throttle block according to the present utility model;
FIG. 5 is a schematic diagram of a horizontal throttle block according to the present utility model;
FIG. 6 is a schematic diagram of a front view structure according to the present utility model;
fig. 7 is a schematic top view of the present utility model.
The figures indicate:
1. a cooling liquid inlet tap; 2. a cooling liquid water outlet nozzle; 3. a liquid cooling plate main body; 4. a seal; 5. an aluminum extruded plate; 6. a forward throttle block; 61. an S-shaped channel orifice; 7. a sealing plate; 8. a reverse throttle block; 81. an "I" shaped channel orifice; 9. a horizontal throttle block; 91. zigzag channel orifice.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It is clear that the described embodiment is a specific implementation of the utility model and is not limited to all embodiments.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features and technical solutions of the embodiments may be combined with each other, and it should be noted that like reference numerals and letters denote like items in the following figures, so once a certain item is defined in one figure, no further definition or explanation is needed in the following figures.
Examples: referring to fig. 1-7, a liquid cooling device for an energy storage battery pack comprises a liquid cooling plate main body 3, wherein a cooling liquid inlet water nozzle 1 is arranged on the left side of the upper end of the liquid cooling plate main body 3, a cooling liquid outlet water nozzle 2 is arranged on the right side of the upper end of the liquid cooling plate main body 3, the liquid cooling plate main body 3 adopts a rectangular box body, 10 channels are respectively arranged on the left side and the right side of the liquid cooling plate main body 3, the upper end parts of the channels are in sealing connection with the liquid cooling plate main body 3, a forward throttling block 6 is arranged on the left side channel of the liquid cooling plate main body 3, a reverse throttling block 8 is arranged on the right side channel of the liquid cooling plate main body 3, and a horizontal throttling block 9 is arranged at the middle bottom of the liquid cooling plate main body 3. The forward throttle block 6 is provided with an S-channel orifice 61. The reverse throttle block 8 is provided with an "i" shaped channel throttle bore 81. The horizontal throttle block 9 is provided with a zigzag passage orifice 91.
The forward throttling block 6 is used for controlling the flow of the cooling liquid, so that the cooling liquid is uniformly distributed in the battery pack, and heat concentration caused by overlarge flow difference is avoided. The S-shaped passage orifice 61 can increase the flow area and flow path, and improve the cooling effect. The reverse throttle 8 also controls the flow rate of the coolant, and functions similarly to the case where the coolant flows in the opposite direction to the forward throttle 6. The "I" channel structure can effectively guide and distribute the flow variation in the direction of coolant flow. The function of the horizontal throttle blocks 9 is to guide and distribute the flow rate variation in the flow direction of the coolant at the bottom or side of the battery pack to achieve a better heat dissipation effect. The zigzag channel structure can increase the flow area and the flow path and improve the heat dissipation efficiency. An aluminum extrusion plate 5 is arranged in the liquid cooling plate main body 3. Sealing plates 7 are arranged at four sides of the liquid cooling plate main body 3. The seal 4 is arranged on the sealing plate 7. The cooling liquid inlet water nozzle 1 and the cooling liquid outlet water nozzle 2 are connected with a water chiller arranged outside through pipelines.
The cooling liquid inlet water nozzle 1 is responsible for introducing cooling liquid into the battery pack liquid cooling device, and provides continuous cooling medium for the subsequent cooling process. The cooling liquid water outlet nozzle 2 is responsible for discharging the cooling liquid which has cooled the battery pack or the battery core out of the battery pack so as to realize heat emission and heat dissipation. The liquid cooling plate main body 3 serves as a core part of the whole battery pack liquid cooling device and is used for carrying out heat conduction and heat dissipation. The device is a rectangular box body, the left and right sides of the rectangular box body are respectively provided with 10 channels, and a plurality of different throttling blocks are arranged on the channels. The throttle block is provided with the throttle hole to increase resistance, so that the flow of the cooling liquid in the box body is uniform, and the overlarge flow difference is avoided. The outside is provided with the cooling water machine and is used for carrying out cooling treatment to the coolant liquid of getting into. The seal 4 seals the gap between the battery pack and the liquid cooling plate main body 3, so that heat in the air is prevented from being transferred to an internal circuit system and the external environment to influence the performance and the safety of the internal circuit system; meanwhile, the damage or the failure caused by the entry of pollutants such as moisture, dust and the like into the equipment is prevented; ensure the equipment to work normally in severe environment and prolong the service life. The aluminum extruded plate 5 is used for enhancing the strength of the whole structure, improving the pressure resistance, ensuring the stability and the safety of the whole system, and simultaneously playing a supporting role to be convenient to install and fix on the bottom of the battery cell or a structural member at the upper part of the module; the forward throttling block 6, the reverse throttling block 8 and the horizontal throttling block 9 can effectively guide and distribute the flowing cooling liquid to realize better temperature control effect by heat exchange transmission through each channel, and the cooling liquid can flow more uniformly and more smoothly to realize better heat exchange effect by playing a role of adjusting the flow rate (namely reducing the flow rate) in the process of flowing the cooling liquid from a high position to a low position; in addition, the noise problem caused by overlarge flow can be reduced, and the sealing plate 7 plays a role in dust prevention and water prevention (comprising an inlet end face and an outlet end face) of the whole system; the tightness and the reliability of the system are ensured; while also protecting the internal delicate components from damage or destruction by the external environment).
In the using process of the utility model, the liquid cooling plate main body 3 is a rectangular box body, the left and right sides of the box body are respectively provided with 10 channels, the channels are provided with a plurality of different throttle blocks, and the forward throttle block 6, the reverse throttle block 8 and the horizontal throttle block 9 are provided with throttle holes to increase resistance, so that the flow of the cooling liquid in the box body is uniform, and the overlarge difference of the flow is avoided; the forward throttling block 6 controls the flow of the cooling liquid, so that the cooling liquid is uniformly distributed in the battery pack, and heat concentration caused by overlarge flow difference is avoided. The S-shaped passage orifice 61 can increase the flow area and flow path, and improve the cooling effect. The reverse throttle 8 also controls the flow rate of the coolant, and functions similarly to the case where the coolant flows in the opposite direction to the forward throttle 6. The "I" channel structure can effectively guide and distribute the flow variation in the direction of coolant flow. The function of the horizontal throttle blocks 9 is to guide and distribute the flow rate variation in the flow direction of the coolant at the bottom or side of the battery pack to achieve a better heat dissipation effect. The zigzag channel structure can increase the flow area and the flow path and improve the heat dissipation efficiency. The outside is provided with the cold water machine, and the coolant is imported from coolant inlet water injection well choke 1, and coolant outlet water injection well choke 2 goes out, then handles the cooling through the cold water machine. The device is placed at the lower part of the battery pack or the battery core, so that the aim of cooling is fulfilled.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims (8)

1. The utility model provides a liquid cooling device for energy storage battery package, includes liquid cooling board main part (3), its characterized in that, the upper end left side of liquid cooling board main part (3) is provided with coolant liquid inlet tap (1), the upper end right side of liquid cooling board main part (3) is provided with coolant liquid water outlet tap (2), liquid cooling board main part (3) adopt rectangular box, respectively have 10 passageways about liquid cooling board main part (3), the upper end of passageway with liquid cooling board main part (3) are sealed to be connected, the left side passageway of liquid cooling board main part (3) is provided with forward throttle piece (6), the right side passageway of liquid cooling board main part (3) is provided with reverse throttle piece (8), the middle bottom of liquid cooling board main part (3) is provided with horizontal throttle piece (9).
2. The liquid cooling device for an energy storage battery pack according to claim 1, wherein the forward throttle block (6) is provided with an S-channel throttle hole (61).
3. A liquid cooling device for an energy storage battery pack according to claim 2, wherein the reverse throttle block (8) is provided with an "i" shaped channel orifice (81).
4. A liquid cooling device for an energy storage battery pack according to claim 3, characterized in that the horizontal throttle block (9) is provided with a zigzag channel throttle (91).
5. The liquid cooling device for an energy storage battery pack according to claim 4, wherein an aluminum extruded plate (5) is arranged in the liquid cooling plate main body (3).
6. The liquid cooling device for an energy storage battery pack according to claim 5, wherein sealing plates (7) are provided at four sides of the liquid cooling plate main body (3).
7. The liquid cooling device for an energy storage battery pack according to claim 6, wherein a seal (4) is provided on the sealing plate (7).
8. The liquid cooling device for an energy storage battery pack according to claim 7, wherein the cooling liquid inlet water nozzle (1) and the cooling liquid outlet water nozzle (2) are connected with an externally arranged water chiller through a pipeline.
CN202322146416.1U 2023-08-10 2023-08-10 Liquid cooling device for energy storage battery pack Active CN220569759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322146416.1U CN220569759U (en) 2023-08-10 2023-08-10 Liquid cooling device for energy storage battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322146416.1U CN220569759U (en) 2023-08-10 2023-08-10 Liquid cooling device for energy storage battery pack

Publications (1)

Publication Number Publication Date
CN220569759U true CN220569759U (en) 2024-03-08

Family

ID=90091401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322146416.1U Active CN220569759U (en) 2023-08-10 2023-08-10 Liquid cooling device for energy storage battery pack

Country Status (1)

Country Link
CN (1) CN220569759U (en)

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