CN223728823U - Water-cooling heat dissipation device for battery core in energy storage battery box - Google Patents

Water-cooling heat dissipation device for battery core in energy storage battery box

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Publication number
CN223728823U
CN223728823U CN202422249867.2U CN202422249867U CN223728823U CN 223728823 U CN223728823 U CN 223728823U CN 202422249867 U CN202422249867 U CN 202422249867U CN 223728823 U CN223728823 U CN 223728823U
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CN
China
Prior art keywords
heat dissipation
cavity
plate
energy storage
heat
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Active
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CN202422249867.2U
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Chinese (zh)
Inventor
殷泽兴
黄晨红
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Aikepu Heat Transfer Technology Wuxi Co ltd
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Aikepu Heat Transfer Technology Wuxi 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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Abstract

The application relates to the technical field of heat dissipation devices and discloses a water-cooling heat dissipation device for electric cores in an energy storage battery box, which comprises a heat dissipation part, a transition part and a conveying part, wherein the heat dissipation part comprises a heat insulation plate positioned between two groups of electric cores and heat dissipation plates arranged on two sides of the heat insulation plate and used for dissipating heat of side walls of adjacent electric cores, a heat dissipation cavity for cooling liquid to flow is arranged in the heat dissipation plate, the transition part comprises a flow distribution plate arranged at one end of the heat dissipation part and a flow distribution plate arranged at the other end of the heat dissipation part, the flow distribution cavity is arranged in the flow distribution plate, the flow distribution cavity and the flow distribution cavity are both communicated with the heat dissipation cavity, the conveying part comprises a liquid supply pipe communicated with the flow distribution cavity and a flow collection pipe communicated with the flow distribution cavity, and cooling liquid is introduced into the liquid supply pipe. The application has the effect of improving the heat dissipation effect on the battery cell.

Description

Water-cooling heat dissipation device for battery core in energy storage battery box
Technical Field
The application relates to the technical field of heat dissipation devices, in particular to a water-cooling heat dissipation device for a battery core in an energy storage battery box.
Background
The energy storage battery box is a key energy storage device, and mainly consists of a battery pack, a Battery Management System (BMS), an Energy Management System (EMS), an energy storage converter (PCS) and other necessary electrical components. Among these components, the battery is certainly the core of the energy storage system and is also the most costly component. The electric core inside the battery pack is the energy source spring of the whole battery system.
In order to ensure safe operation of the battery, its operating temperature is typically controlled below 55 ℃. In the working process of the battery cell of the energy storage battery box, the heat dissipation system plays a vital role, and the temperature stability of the battery cell is maintained through an effective heat dissipation mechanism.
At present, a heat dissipation system is usually arranged at the bottom of an electric core in an energy storage battery box, so that necessary support is provided for the electric core, and the temperature of the bottom of the electric core is kept within a safe range through a heat dissipation function. However, although the temperature of the bottom is effectively controlled, the side of the battery cell, especially the portion near the top, still has a problem of high temperature, which may cause an overtemperature phenomenon, thereby affecting the performance and life of the battery.
Disclosure of utility model
In order to improve the heat dissipation effect on the battery cell, the application provides a water-cooling heat dissipation device for the battery cell in an energy storage battery box.
The application provides a water-cooling heat dissipation device for a battery cell in an energy storage battery box, which adopts the following technical scheme:
The utility model provides a water cooling heat abstractor for electricity core in energy storage battery box, water cooling heat abstractor is located between two sets of electric cores, water cooling heat abstractor includes:
the heat dissipation part comprises a heat insulation plate positioned between two groups of electric cores and heat dissipation plates arranged on two sides of the heat insulation plate and used for dissipating heat of the side walls of the adjacent electric cores, and a heat dissipation cavity for flowing cooling liquid is formed in the heat dissipation plates;
the transition piece comprises a flow distribution plate arranged at one end of the heat dissipation piece and a flow converging plate arranged at the other end of the heat dissipation piece, a flow distribution cavity is arranged in the flow distribution plate, a flow converging cavity is arranged in the flow converging plate, and the flow distribution cavity and the flow converging cavity are both communicated with the heat dissipation cavity;
The conveying part comprises a liquid supply pipe communicated with the flow distribution cavity and a collecting pipe communicated with the collecting cavity, and cooling liquid is introduced into the liquid supply pipe.
Optionally, the shunt cavity with the heat dissipation cavity is through first intercommunication unit intercommunication, set up on the chamber wall of heat dissipation cavity and run through the louvre of chamber wall of heat dissipation cavity, set up on the chamber wall of shunt cavity and run through the shunt hole of chamber wall of shunt cavity, the louvre with the shunt hole all with first intercommunication unit threaded connection.
Optionally, the first communication unit includes:
The cooling device comprises a first communication pipe, wherein the cooling hole and the flow dividing hole are connected with the first communication pipe through threads, and a communication hole for cooling liquid to flow into the first communication pipe is formed in the side wall of the first communication pipe.
Optionally, the first communication unit further includes:
The locating plate is arranged at one end of the first communication pipe away from the heat dissipation plate in a sealing mode, and the locating plate is used for abutting against one side of the flow distribution plate away from the heat dissipation plate.
Optionally, a liquid supply hole is formed in the side wall of the flow distribution plate;
the liquid supply pipe is communicated with the flow distribution cavity through a second communication unit, and the second communication unit comprises:
The second communicating pipe is in threaded connection with the liquid supply hole and is used for communicating the liquid supply pipe and the flow distribution cavity;
And the positioning ring is arranged on the outer ring wall of the second communicating pipe and is used for positioning the second communicating pipe.
Optionally, the diverter plate lateral wall is close to the position of feed liquor hole is installed the go-between, the second communicating pipe with go-between inner wall threaded connection, the holding ring tip with the go-between tip is contradicted.
Optionally, an end cover is detachably connected to the end of the second communicating pipe in a sealing manner.
Optionally, a positioning groove is formed in the side wall of the end portion of the heat insulation plate along the vertical direction, and a positioning strip which is in plug-in fit with the positioning groove is formed in the side wall of the flow distribution plate.
Optionally, the cross sections of the positioning groove and the positioning strip are dovetail arrangement.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The cooling liquid in the liquid supply pipe flows into the inside of the flow distribution cavity through the second communicating pipe arranged on the flow distribution plate and flows into the inside of the heat dissipation cavity through the communicating hole on the first communicating pipe, the cooling liquid exchanges heat to the side wall of the battery core through the cavity wall of the heat dissipation cavity in the process of flowing in the inside of the heat dissipation cavity, the heat of the battery core is reduced, the cooling liquid after heat exchange flows into the flow distribution cavity on the flow distribution plate through the first communicating pipe again, and the cooling liquid is discharged into the return pipe through the second communicating pipe on the flow distribution plate to be processed in the next step. The cooling liquid in the heat dissipation cavity exchanges heat with the side wall of the battery cell through the cavity wall of the heat dissipation cavity, so that the heat dissipation effect on the battery cell is improved, and the possibility that heat accumulation occurs in the battery cell to cause the battery cell to be warm is reduced.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a schematic diagram showing a heat sink structure according to an embodiment of the present application.
FIG. 3 is a schematic diagram showing the locations of the heat dissipation holes in an embodiment of the application.
Fig. 4 is an enlarged schematic view of the portion a in fig. 2.
Fig. 5 is a schematic diagram showing the structure of a first communication unit in the embodiment of the present application.
Reference numerals illustrate:
1. The heat radiator comprises a heat radiator, 11, a heat insulating plate, 111, a positioning groove, 12, a heat radiating plate, 121, a heat radiating hole, 2, a transition piece, 21, a splitter plate, 211, a positioning strip, 212, a liquid supply hole, 213, a connecting ring, 22, a bus plate, 3, a conveying piece, 31, a liquid supply pipe, 32, a bus pipe, 4, a first communication unit, 41, a first communication pipe, 42, a positioning plate, 43, a communication hole, 5, a second communication unit, 51, a second communication pipe, 52, a positioning ring, 53, an end cover, 6, a plugging unit, 7 and a battery cell.
Detailed Description
The present application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a water-cooling heat dissipation device for a battery core in an energy storage battery box.
A water-cooling heat dissipation device for a battery cell in an energy storage battery box comprises a heat dissipation piece 1, a transition piece 2 and a conveying piece 3. The heat dissipation piece 1 is located between two groups of electric cores 7, the heat dissipation piece 1 is clamped through the side walls of the two groups of electric cores 7, the transition piece 2 is installed at the end part of the heat dissipation piece 1, cooling liquid is introduced into the conveying piece 3, and the conveying piece 3 is communicated with the heat dissipation piece 1 through the transition piece 2.
The inside coolant liquid of transport piece 3 flows into the heat dissipation piece 1 inside through transition piece 2, and the inside coolant liquid of heat dissipation piece 1 passes through the lateral wall heat transfer cooling of heat dissipation piece 1 and the lateral wall of electric core 7 to this, promotes the radiating effect to electric core 7, reduces electric core 7 heat and gathers in one place, leads to the possibility of electric core 7's overtemperature.
The heat sink 1 includes a heat insulating plate 11 and a heat radiating plate 12. The heating panel 12 is equipped with two, and two heating panels 12 are located the heat insulating board 11 both sides, and every heating panel 12 all contradicts with corresponding electric core 7 lateral wall, dispels the heat to electric core 7 through heating panel 12, when heating panel 12 dispels the heat to electric core 7, separates two heating panels 12 through heat insulating board 11 to this reduces the possibility that two heating panels 12 influence each other, thereby, further guarantees the radiating effect of heating panel 12 to electric core 7.
The heat insulating plate 11 is made of a heat insulating material, and in the embodiment of the present application, the heat insulating plate 11 is made of a glass fiber material.
A heat dissipation cavity for flowing cooling liquid is formed in each heat dissipation plate 12, heat dissipation holes 121 are formed in the side wall of the end portion of each heat dissipation plate 12, and a plurality of heat dissipation holes 121 are formed in the vertical direction.
The cooling liquid flows into or out of the heat dissipation chamber through the heat dissipation holes 121, and in the embodiment of the present application, the cooling liquid flows into the heat dissipation chamber from the heat dissipation holes 121 located below the end side walls of the heat dissipation plate 12 and flows out of the heat dissipation chamber from the heat dissipation holes 121 located above the end side walls of the heat dissipation plate 12.
When the cooling liquid flows in the heat dissipation cavity, the cooling liquid flows into the heat dissipation cavity from the heat dissipation holes 121 below the side wall of the end part of the heat dissipation plate 12, and flows out of the heat dissipation cavity from the heat dissipation holes 121 above the side wall of the end part of the heat dissipation plate 12, so that the heat exchange contact area between the cooling liquid and the inner wall of the heat dissipation cavity is increased, and further, the heat dissipation effect on the battery cell 7 is improved.
The transition piece 2 includes a flow dividing plate 21 and a flow converging plate 22. The splitter plate 21 and the bus plate 22 are respectively located at two ends of the heat sink 1, and the splitter plate 21 and the bus plate 22 are both mounted on the heat sink 12, and in the embodiment of the present application, the splitter plate 21 and the bus plate 22 have the same structure.
The side wall of the end part of the heat insulating plate 11 is provided with a positioning groove 111 along the vertical direction, one side of the splitter plate 21, which is close to the heat radiating plate 12, is integrally formed with a positioning strip 211 along the vertical direction, and the positioning strip 211 is in plug-in fit with the positioning groove 111. In order to further improve the mounting stability of the heat dissipation plate 12 and the flow distribution plate 21, the cross sections of the positioning strips 211 and the positioning slots 111 are dovetail-shaped.
The inside of the splitter plate 21 is provided with a splitter cavity, and the side wall of the splitter plate 21 is provided with splitter holes corresponding to the radiating holes 121 on the radiating plate 12. The manifold 22 has a manifold chamber therein.
The split cavity inside the split plate 21 and the heat dissipation cavity inside the heat dissipation plate 12 are communicated by the first communication unit 4.
The first communication unit 4 includes a first communication pipe 41 and a positioning plate 42. The locating plate 42 is fixedly installed at the end part of the first communication pipe 41 in a sealing mode, the locating plate 42 is located, the radiating holes 121 and the diversion holes are connected with the first communication pipe 41 in a threaded mode, and the locating plate 42 is located on one side, away from the radiating plate 12, of the diversion plate 21.
When the heat radiation plate 12 and the flow distribution plate 21 are connected, the heat radiation hole 121 and the flow distribution hole are both screwed to the first communication pipe 41 by rotating the positioning plate 42, the heat radiation plate 12 and the flow distribution plate 21 are connected by the first communication pipe 41, the rotation of the positioning plate 42 is stopped when the positioning plate 42 and the side wall of the flow distribution plate 21 are positioned, and the side wall of the flow distribution plate 21 is positioned by the positioning plate 42 to the first communication pipe 41.
The side wall of the first communication pipe 41 is provided with a plurality of communication holes 43, and the communication holes 43 are communicated with the inside of the first communication pipe 41. The coolant in the split flow chamber enters the first communication pipe 41 through the communication hole 43, and flows from the first communication pipe 41 into the heat dissipation chamber.
A blocking unit 6 is further arranged between the diversion cavity in the diversion plate 21 and the heat dissipation cavity in the heat dissipation plate 12, the heat dissipation holes 121 and the diversion holes are communicated with the blocking unit 6, the blocking unit 6 is similar to the first communication pipe 41 in structure, and the blocking unit 6 and the first communication pipe 41 are different in that the blocking unit 6 is not provided with a communication hole 43. The flow direction of the cooling liquid in the heat dissipation cavity is regulated by regulating the positions of the first communication unit 4 and the plugging unit 6.
The transfer member 3 includes a liquid supply pipe 31 and a collecting pipe 32.
The liquid supply pipe 31 and the split flow chamber are communicated by the second communication unit 5.
The second communication unit 5 includes a second communication pipe 51 and a positioning ring 52. The positioning ring 52 is coaxially and fixedly arranged on the outer ring wall of the second communicating pipe 51.
The side of the splitter plate 21 far away from the heat dissipation plate 12 is provided with liquid supply holes 212 along the vertical direction, and a plurality of liquid supply holes 212 are used for improving convenience of communicating with different pipelines, and in the embodiment of the application, two liquid supply holes 212 are provided, and the second communicating pipe 51 is in threaded connection with the liquid supply holes 212. To further improve the connection stability of the second communication pipe 51 and the liquid supply hole 212. The connecting ring 213 is fixedly arranged at the position of the splitter plate 21, which is far away from the heat radiating piece 1 and is close to the liquid supply hole 212, and the second communicating pipe 51 and the inner wall of the connecting ring 213 are in threaded connection with the end part of the positioning ring 52 and the end part of the connecting ring 213 to be abutted for positioning. The end of the second communicating pipe 51 is detachably provided with a cover plate, and the second communicating pipe 51 is in threaded connection with the cover plate.
The second connection pipe mounted on the flow dividing plate 21 is used for communication with the liquid supply pipe 31, and the second connection pipe mounted on the flow collecting plate 22 is communicated with the flow collecting pipe 32.
The implementation principle of the water-cooling heat dissipation device for the battery cells in the energy storage battery box is that the cooling liquid in the liquid supply pipe 31 flows into the split cavity through the second communicating pipe 51 arranged on the split plate 21 and flows into the heat dissipation cavity through the communicating hole 43 on the first communicating pipe 41, the cooling liquid exchanges heat with the side wall of the battery cells 7 through the cavity wall of the heat dissipation cavity in the process of flowing in the heat dissipation cavity to reduce the heat of the battery cells 7, the cooling liquid after heat exchange flows into the converging cavity on the converging plate 22 through the first communicating pipe 41 again, and the cooling liquid is discharged into the return pipe through the second communicating pipe 51 on the converging plate 22 for the next treatment. The cooling liquid in the heat dissipation cavity exchanges heat to the side wall of the battery cell 7 through the cavity wall of the heat dissipation cavity, so that the heat dissipation effect of the battery cell 7 is improved, and the possibility that heat accumulation of the battery cell 7 causes the battery cell 7 to face the temperature is reduced.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (9)

1. The water cooling heat dissipation device for the battery cells in the energy storage battery box is positioned between two groups of battery cells (7) and is characterized by comprising:
The heat dissipation piece (1) comprises a heat insulation plate (11) positioned between two groups of electric cores (7) and heat dissipation plates (12) arranged on two sides of the heat insulation plate (11) and used for dissipating heat of the side walls of the adjacent electric cores (7), and a heat dissipation cavity for flowing cooling liquid is formed in the heat dissipation plates (12);
The transition piece (2) comprises a flow dividing plate (21) arranged at one end of the heat radiating piece (1) and a bus plate (22) arranged at the other end of the heat radiating piece (1), a flow dividing cavity is formed in the flow dividing plate (21), a bus cavity is formed in the bus plate (22), and the flow dividing cavity and the bus cavity are both communicated with the heat radiating cavity;
The conveying part (3) comprises a liquid supply pipe (31) communicated with the flow distribution cavity and a collecting pipe (32) communicated with the collecting cavity, and cooling liquid is introduced into the liquid supply pipe (31).
2. The water-cooling heat dissipation device for an electric core in an energy storage battery box according to claim 1, wherein:
The heat dissipation device comprises a heat dissipation cavity, a first communication unit (4), a heat dissipation hole (121) penetrating through the cavity wall of the heat dissipation cavity, a shunt hole penetrating through the cavity wall of the shunt cavity, and the heat dissipation hole (121) and the shunt hole are in threaded connection with the first communication unit (4).
3. The water-cooling heat dissipation device for an electric core in an energy storage battery box according to claim 2, wherein:
The first communication unit (4) includes:
The cooling device comprises a first communication pipe (41), wherein the cooling hole (121) and the flow dividing hole are in threaded connection with the first communication pipe (41), and a communication hole (43) for cooling liquid to flow into the first communication pipe (41) is formed in the side wall of the first communication pipe (41).
4. A water-cooled heat sink for a battery cell in an energy storage battery box as defined in claim 3, wherein:
the first communication unit (4) further comprises:
The locating plate (42) is hermetically arranged at one end, far away from the radiating plate (12), of the first communication pipe (41), and the locating plate (42) is used for abutting against one side, far away from the radiating plate (12), of the flow dividing plate (21).
5. The water-cooling heat dissipation device for an electric core in an energy storage battery box according to claim 1, wherein:
the side wall of the flow dividing plate (21) is provided with a liquid supply hole (212);
the liquid supply pipe (31) and the shunt cavity are communicated through a second communication unit (5), and the second communication unit (5) comprises:
the second communicating pipe (51) is in threaded connection with the liquid supply hole (212) and is used for communicating the liquid supply pipe (31) and the diversion cavity;
And the positioning ring (52) is arranged on the outer ring wall of the second communicating pipe (51) and is used for positioning the second communicating pipe (51).
6. The water-cooling heat dissipation device for an electric core in an energy storage battery box according to claim 5, wherein:
The side wall of the flow distribution plate (21) is close to the liquid supply hole (212), a connecting ring (213) is arranged at the position, which is close to the liquid supply hole (212), of the side wall of the flow distribution plate, the second communicating pipe (51) is in threaded connection with the inner wall of the connecting ring (213), and the end part of the positioning ring (52) is abutted to the end part of the connecting ring (213).
7. The water-cooling heat dissipation device for an electric core in an energy storage battery box according to claim 5, wherein:
an end cover (53) is detachably connected to the end of the second communicating pipe (51) in a sealing mode.
8. The water-cooling heat dissipation device for an electric core in an energy storage battery box according to claim 1, wherein:
Positioning grooves (111) are formed in the side walls of the end parts of the heat insulation plates (11) along the vertical direction, and positioning strips (211) which are in plug-in fit with the positioning grooves (111) are formed in the side walls of the flow distribution plates (21).
9. The water-cooled heat sink for a battery cell in an energy storage battery box of claim 8, wherein:
The cross sections of the positioning groove (111) and the positioning strip (211) are in dovetail arrangement.
CN202422249867.2U 2024-09-13 2024-09-13 Water-cooling heat dissipation device for battery core in energy storage battery box Active CN223728823U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202422249867.2U CN223728823U (en) 2024-09-13 2024-09-13 Water-cooling heat dissipation device for battery core in energy storage battery box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202422249867.2U CN223728823U (en) 2024-09-13 2024-09-13 Water-cooling heat dissipation device for battery core in energy storage battery box

Publications (1)

Publication Number Publication Date
CN223728823U true CN223728823U (en) 2025-12-26

Family

ID=98133195

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202422249867.2U Active CN223728823U (en) 2024-09-13 2024-09-13 Water-cooling heat dissipation device for battery core in energy storage battery box

Country Status (1)

Country Link
CN (1) CN223728823U (en)

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