CN116937008A - Battery cooling device and battery module - Google Patents
Battery cooling device and battery module Download PDFInfo
- Publication number
- CN116937008A CN116937008A CN202311198786.8A CN202311198786A CN116937008A CN 116937008 A CN116937008 A CN 116937008A CN 202311198786 A CN202311198786 A CN 202311198786A CN 116937008 A CN116937008 A CN 116937008A
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- Prior art keywords
- battery
- flow channel
- cooling device
- plate
- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 112
- 238000009413 insulation Methods 0.000 claims description 38
- 239000000110 cooling liquid Substances 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000005192 partition Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present disclosure relates to the technical field of power batteries, and provides a battery cooling device and a battery module, wherein the battery cooling device comprises a cooling plate; the cooling plate is U-shaped integrally, and a mounting station for mounting a plurality of batteries is formed in a semi-surrounding manner; the cooling plate is internally provided with a first runner and a second runner which are matched with the cooling plate in shape and are U-shaped respectively; the first flow channel and the second flow channel are arranged in a partition way along the height direction of the cooling plate; one end of the first runner is communicated with the flow inlet; the other end of the first flow channel is communicated with one end of a second flow channel corresponding to the height direction of the cooling plate; the other end of the second flow channel is communicated with the outflow port. The battery module comprises the battery cooling device, and the battery cooling device have the beneficial effects that the heat dissipation paths are short, and each battery in the battery module can be ensured to uniformly dissipate heat.
Description
Technical Field
The disclosure relates to the technical field of power batteries, in particular to a battery cooling device and a battery module.
Background
In the prior art, temperature control is a critical problem when a high-capacity power battery is used in charging and discharging, and heat is inevitably generated in the charging and discharging process due to internal resistance, connection resistance and the like of the power battery, and if the heat cannot be effectively dissipated, the temperature of the battery is rapidly increased, so that the temperature exceeds the use range of the battery, and the cycle life of the battery is reduced. If the battery is in a high temperature operating environment for a long period of time, the battery is also at risk of thermal runaway. Second, if the battery of the module does not adopt an effective uniform heat dissipation strategy, the temperature difference between the battery modules is too large, and the capacity of the battery is inconsistent due to the temperature difference. When the battery module is used for a long time, the capacity difference of each battery of the module is too large, so that the capacity of the battery module is reduced, and the long-term service life of the battery module is shortened.
The liquid cooling heat dissipation system of the battery, which is popular in the prior art, dissipates heat to the bottom, and has a longer heat dissipation path, so that the cooling heat dissipation efficiency of the battery is still to be improved.
In view of this, a new battery cooling device is needed in the market for solving the problems that the cooling path is long and each battery in the battery module cannot uniformly dissipate heat due to the liquid cooling plate arranged at the bottom of the battery module in the prior art.
Disclosure of Invention
The embodiment of the disclosure provides a battery cooling device and a battery module, which aim to solve the problems that in the prior art, a cooling path is longer, and each battery in the battery module cannot better and uniformly dissipate heat due to the fact that a liquid cooling plate is arranged at the bottom of the battery module.
The battery cooling device provided by the embodiment of the disclosure comprises a cooling plate;
the cooling plate is U-shaped integrally and semi-surrounds to form a mounting station for mounting a plurality of batteries;
the cooling plate is internally provided with a first runner and a second runner which are matched with the cooling plate in shape and are U-shaped respectively;
the first flow channel and the second flow channel are arranged in a partition way along the height direction of the cooling plate;
one end of the first flow channel is communicated with the flow inlet;
the other end of the first flow channel is communicated with one end of the second flow channel corresponding to the height direction of the cooling plate;
the other end of the second flow passage is communicated with the outflow port.
In one embodiment, the battery cooling device further comprises a heat shield;
the cooling plate comprises a first sub-plate, a second sub-plate and a third sub-plate which are sequentially connected in a U shape;
a plurality of protruding parts are respectively arranged between the side walls of the first sub-board and the third sub-board, which face each other;
the two opposing bosses together form a receiving station for mounting the heat shield.
In an embodiment, the protrusion includes a first arcuate protrusion and a second arcuate protrusion in a direction away from the cooling plate;
the first arc-shaped convex part and the second arc-shaped convex part are connected with the first daughter board or the third daughter board in a smooth and excessive way;
and the first arc-shaped convex part and the second arc-shaped convex part are connected in parallel to form a convex platform.
In one embodiment, the protruding portion is further provided with a concave clamping groove in the protruding platform;
the heat insulation plate can be fixed by inserting the concave clamping grooves in the two opposite convex parts.
In an embodiment, the first flow channel and the second flow channel are respectively provided with extension sub-channels in the first arc-shaped convex part and the second arc-shaped convex part correspondingly.
In one embodiment, the heat insulation plate is internally provided with a heat insulation cavity;
the heat insulation cavity comprises a first cavity and a second cavity which are arranged along the height direction of the heat insulation plate in a blocking way;
and cooling liquid is respectively arranged in the first cavity and the second cavity.
In one embodiment, one of the concave clamping groove and the side wall of the heat insulation plate is provided with a concave inserted valve seat, and the other is correspondingly provided with a convex valve head;
when the heat insulation plate is inserted into the concave clamping groove, the convex valve head is correspondingly inserted into the inserted valve seat;
and the protruding valve head can control to open the inserted valve seat so as to enable the first cavity to be communicated with the first flow passage and the second cavity to be communicated with the second flow passage.
In one embodiment, the battery cooling device further comprises a manifold;
the collecting pipe is used for conducting and connecting the first flow passage and the second flow passage along the height direction of the cooling plate.
In one embodiment, the battery cooling device further comprises a flow blocking tube;
the flow isolation pipe is correspondingly arranged at the inlet and the outlet and is used for isolating the inlet from the outlet.
In addition, the embodiment of the disclosure also provides a battery module, which comprises a battery body and the battery cooling device;
wherein, the battery body is respectively corresponding to and installed in the installation station.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
when the battery cooling device provided by the embodiment of the disclosure is used, a plurality of battery modules are respectively and correspondingly mounted to the mounting stations of which the cooling plates are semi-surrounded to form a whole in a U shape, so that two opposite vertical side walls of the battery modules can be respectively abutted to the two opposite inner side walls of the cooling plates, heat transfer between the vertical side walls of the battery modules and the inner side walls of the cooling plates is realized, the inner parts of the cooling plates are respectively provided with the first flow channel and the second flow channel which are in a U shape with the shape of the cooling plates, and thus, when the cooling liquid flows in the cooling plates, the cooling liquid flows in sequence according to the sequence of 'inlet-first flow channel-second flow channel-outlet', and the cooling liquid flows in the first flow channel and the second flow channel in opposite directions, and thus, the cooling liquid cooling performance of the first flow channel and the cooling liquid of the second flow channel corresponding to the height direction of the cooling plate are mutually neutralized and compensated, so that each side wall of the battery module is subjected to the cooling effect of the first flow channel and the second flow channel is almost the same.
In addition, the battery module provided by the embodiment of the disclosure comprises a battery body and the battery cooling device, and can achieve the same beneficial effects.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings, in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
FIG. 1 illustrates a self-contained perspective view of a battery cooling device provided by an embodiment of the present disclosure;
FIG. 2 illustrates a transverse cross-sectional view of a battery cooling device provided by an embodiment of the present disclosure along a first flow path;
FIG. 3 illustrates a transverse cross-sectional view of a battery cooling device provided by an embodiment of the present disclosure along a second flow path;
FIG. 4 illustrates a partial assembly view of an insulation panel of a battery cooling device provided by an embodiment of the present disclosure;
fig. 5 illustrates a vertical cross-sectional view of an insulation plate of a battery cooling device provided by an embodiment of the present disclosure.
The reference numerals in the figures illustrate: 1. a cooling plate; 11. a first sub-board; 12. a second sub-board; 13. a third sub-board; 14. a first flow passage; 15. a second flow passage; 16. a boss; 161. a first arcuate projection; 162. a second arcuate projection; 163. a concave clamping groove; 2. a feed port; 3. a flow outlet; 4. a heat insulating plate; 41. a first cavity; 42. a second cavity; 43. a protruding valve head; 44. an inserted valve seat; 5. a manifold; 6. a flow blocking pipe.
Detailed Description
In order to make the objects, features and advantages of the present disclosure more comprehensible, the technical solutions in the embodiments of the present disclosure will be clearly described in conjunction with the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
Embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.
As shown in conjunction with fig. 1, 2 and 3, an embodiment of the present disclosure provides a battery cooling device including a cooling plate 1; the cooling plate 1 is U-shaped integrally and semi-surrounds a mounting station for mounting a plurality of batteries; the cooling plate 1 is internally provided with a first flow channel 14 and a second flow channel 15 which are matched with the cooling plate 1 in shape and are U-shaped respectively; the first flow passage 14 and the second flow passage 15 are partitioned in the height direction of the cooling plate 1.
Wherein, one end of the first runner 14 is communicated with the inlet 2; the other end of the first flow passage 14 is communicated with one end of a second flow passage 15 corresponding to the height direction of the cooling plate 1; the other end of the second flow passage 15 communicates with the outflow port 3.
When the battery cooling device is specifically used, a plurality of battery modules are respectively and correspondingly mounted to the mounting stations of the cooling plate 1 in a semi-surrounding mode to form a U shape integrally, so that two opposite vertical side walls of the battery modules can be respectively abutted to two opposite inner side walls of the cooling plate 1, and heat transfer between the vertical side walls of the battery modules and the two opposite inner side walls of the cooling plate 1 is realized.
In addition, a first flow channel 14 and a second flow channel 15 which are matched with the cooling plate 1 in shape and are in a U shape are respectively arranged in the cooling plate 1, the first flow channel 14 is arranged above the second flow channel 15 in a blocking manner along the height direction of the cooling plate 1, and one end of the first flow channel 14 is communicated with the flow inlet 2; the other end of the first flow passage 14 is communicated with one end of a second flow passage 15 corresponding to the height direction of the cooling plate 1; the other end of the second flow channel 15 is in communication with the outflow port 3, so that the coolant flows in the cooling plate 1 in the order of "inlet port 2-first flow channel 14-second flow channel 15-outflow port 3" (refer to the directions indicated by solid arrows in fig. 1, 2 and 3).
In addition, the cooling liquid continuously flows downstream to cause the temperature rise and the cooling efficiency to be reduced, but the flowing directions of the cooling liquid in the first flow channel 14 and the second flow channel 15 are opposite, so that the cooling performance of the cooling liquid in the first flow channel 14 and the cooling liquid in the second flow channel 15 corresponding to the height direction of the cooling plate 1 are mutually neutralized and compensated, each side wall of the battery module is subjected to the cooling effect of the first flow channel 14 and the second flow channel 15 to be almost the same, and the battery modules can be ensured to uniformly dissipate heat.
In summary, compared with the mode of arranging the liquid cooling plate at the bottom of the battery module to dissipate heat in the prior art, the battery cooling device provided by the embodiment of the disclosure has the beneficial effects of short heat dissipation path and capability of ensuring uniform heat dissipation of each battery in the battery module.
In one embodiment, the battery cooling device further comprises a heat shield 4; the cooling plate 1 comprises a first sub-plate 11, a second sub-plate 12 and a third sub-plate 13 which are sequentially connected in a U shape; a plurality of protruding parts 16 are respectively arranged between the side walls of the first sub-board 11 and the third sub-board 13 facing each other; the two opposing bosses 16 together form a receiving station for mounting the heat shield 4.
Specifically, as described in further detail with reference to fig. 1, 2 and 3, the heat insulation board 4 is specifically configured to connect the first sub-board 11, the second sub-board 12 and the third sub-board 13 which are in a U shape in sequence, and a plurality of protrusions 16 are respectively disposed between the opposite side walls of the first sub-board 11 and the third sub-board 13, so that the two protrusions 16 can be clamped together to form a containing station for installing the heat insulation board 4, and the plurality of heat insulation boards 4 can be vertically plugged into the containing station along the height direction of the cooling board 1 and are clamped and fixed by the two protrusions 16, thereby separating the installing stations to form a plurality of independent sub-stations for installing the battery modules in a one-to-one correspondence.
The specific arrangement mode of the heat insulation plate 4 and the protruding portion 16 has the advantages that the structure is simple, the installation stations can be separated to form a plurality of independent sub-stations for one-to-one installation of the battery modules, and the use safety performance of the battery modules is further improved.
In an embodiment, the boss 16 includes a first arc-shaped protrusion 161 and a second arc-shaped protrusion 162 in a direction away from the cooling plate 1; the first arc-shaped convex part 161 and the second arc-shaped convex part 162 are smoothly and excessively connected with the first sub-board 11 or the third sub-board 13; and the first arc-shaped convex part 161 and the second arc-shaped convex part 162 are connected in parallel to form a convex platform.
Specifically, as described in further detail with reference to fig. 2 and 3, the boss 16 is specifically configured to include the first arc-shaped protrusion 161 and the second arc-shaped protrusion 162 in a direction away from the cooling plate 1, and the first arc-shaped protrusion 161 and the second arc-shaped protrusion 162 are smoothly and excessively connected to the first sub-plate 11 or the third sub-plate 13, so that the problems of right angle corners and stress concentration can be avoided; and the first arc-shaped convex part 161 and the second arc-shaped convex part 162 are connected in a flush way to form a convex platform, so that the convex platforms in the two opposite convex parts 16 can correspondingly mutually abut and clamp the installation heat insulation plate 4, and the installation stability of the heat insulation plate 4 is ensured.
The specific arrangement mode of the protruding portion 16 has the advantages of being simple in structure, convenient to process and manufacture and convenient for the heat insulation plate 4 of the protruding portion 16.
In one embodiment, the boss 16 is further provided with a recessed detent 163 in the boss platform; the heat shield 4 can be inserted and fixed through the concave clamping grooves 163 in the opposite two convex parts 16.
Specifically, as described in further detail with reference to fig. 4, the protruding portion 16 is further provided with a concave clamping groove 163 in the protruding platform, and the concave clamping groove 163 may be specifically configured as a concave groove, a U-shaped groove, a dovetail-shaped groove, or the like, and the top end of the concave clamping groove 163 is flush with the top end of the protruding portion 16, so that the heat insulation board 4 can be inserted and fixed from top to bottom through the concave clamping grooves 163 in the two opposite protruding portions 16.
The specific arrangement mode of the concave clamping groove 163 has the beneficial effects of simple structure, convenience in mounting the heat insulation plate 4 and capability of limiting and fixing the heat insulation plate 4 along the thickness and length direction of the heat insulation plate.
In one embodiment, the first flow channel 14 and the second flow channel 15 are provided with corresponding extension sub-channels in the first arc-shaped protrusion 161 and the second arc-shaped protrusion 162, respectively.
Specifically, as further detailed in connection with fig. 2, 3 and 4, the first flow channel 14 and the second flow channel 15 are respectively provided with an extending sub-channel in the first arc-shaped protruding portion 161 and the second arc-shaped protruding portion 162, so that the first flow channel 14 and the second flow channel 15 can have arc-shaped flow sections, and when the cooling liquid correspondingly flows to the arc-shaped extending sub-channels of the first flow channel 14 and the second flow channel 15, the cooling liquid can generate a certain vortex effect along the arc-shaped flow sections, so that the cooling liquid can be more fully mixed, and the problem that local high temperature on one side of the cooling liquid close to the battery module affects cooling and heat dissipation performance is avoided.
The specific arrangement mode of the first flow channel 14 and the second flow channel 15 has the beneficial effects of simple structure, capability of enabling the cooling liquid to generate vortex effect when flowing to the extension sub-channels, and capability of ensuring uniform mixing and sufficient heat dissipation of the cooling liquid.
In one embodiment, the heat shield 4 is internally provided with a heat shield cavity; the heat insulation cavity comprises a first cavity 41 and a second cavity 42 which are arranged along the height direction of the heat insulation plate 4 in a blocking way; the first cavity 41 and the second cavity 42 are provided with a cooling liquid, respectively.
Specifically, as described in further detail with reference to fig. 5, the heat insulation cavity is disposed inside the heat insulation board 4, and the heat insulation cavity is specifically disposed as a first cavity 41 and a second cavity 42 that are disposed along the height direction of the heat insulation board 4 in a blocking manner, and the first cavity 41 and the second cavity 42 are respectively provided with a cooling liquid, so that the heat insulation board 4 can perform a certain heat dissipation function on the side wall of the battery module in addition to the heat insulation function between adjacent battery modules, and especially when the battery modules are charged and discharged, the heat dissipation function of the heat insulation board 4 is important.
The specific setting mode of the heat insulation board 4 has the beneficial effects of simple structure and capability of assisting the cooling board 1 in radiating the battery module.
In one embodiment, one of the recessed catch 163 and the side wall of the heat shield 4 is provided with a recessed, inserted valve seat 44, the other is correspondingly provided with a raised valve head 43; when the heat insulation plate 4 is inserted into the concave clamping groove 163, the convex valve head 43 is correspondingly inserted into the inserted valve seat 44; and the raised valve head 43 is capable of controlling the opening of the inserted valve seat 44 to allow communication between the first cavity 41 and the first flow passage 14 and between the second cavity 42 and the second flow passage 15.
Specifically, as described in further detail with reference to fig. 2, 3 and 4, the protruding valve head 43 is specifically disposed in the side wall of the heat insulation board 4, and the inserted valve seat 44 is disposed in the recessed clamping groove 163, so that when the protruding valve head 43 can control to open the inserted valve seat 44, the first cavity 41 is conducted with the first flow channel 14, the cooling liquid can split the first cavity 41 to sufficiently assist in heat dissipation of the battery module (the direction indicated by the dotted arrow in fig. 2), the second cavity 42 is conducted with the second flow channel 15, and the cooling liquid can split the second cavity 42 to sufficiently assist in heat dissipation of the battery module (the direction indicated by the dotted arrow in fig. 3).
The specific way of controlling the opening of the inserted valve seat 44 by the raised valve head 43 can be realized by adopting a specific but not limited mode of adopting a 'temperature detector plus PLC logic electric control', so that when the temperature detector detects that the battery module is charged and discharged and abnormal excessively fast temperature rise occurs, the PLC can correspondingly control the raised valve head 43 to open the inserted valve seat 44, and the auxiliary heat dissipation function of the battery module through the heat insulation plate 4 is realized.
The specific setting mode of the protruding valve head 43 and the inserted valve seat 44 has a simple specific structure, can automatically control the flow of cooling liquid in the heat insulation plate 4, and can intelligently assist in heat dissipation of the battery module.
In one embodiment, the battery cooling device further comprises a manifold 5; the manifold 5 connects the first flow channel 14 in a conductive manner to the second flow channel 15 in the height direction of the cooling plate 1.
Specifically, as described in further detail with reference to fig. 1, the above-mentioned collecting pipe 5 connects the first flow channel 14 and the second flow channel 15 in a conducting manner along the height direction of the cooling plate 1, so that the cooling liquid at the tail end of the first flow channel 14 can enter the head end of the second flow channel 15 through the collecting pipe 5, and the flow direction of the cooling liquid is changed.
The specific arrangement mode of the collecting pipe 5 has the beneficial effects of simple structure and capability of realizing the flow direction conversion of the cooling liquid.
In one embodiment, the battery cooling device further comprises a flow blocking tube 6; the flow blocking pipe 6 is correspondingly arranged at the inlet 2 and the outlet 3 and is used for blocking the inlet 2 from the outlet 3.
Specifically, as described in further detail with reference to fig. 1, the flow blocking pipe 6 is disposed at the inlet 2 and the outlet 3, and separates the inlet 2 from the outlet 3, so that the flow direction of the cooling liquid at the inlet 2 and the outlet 3 can be ensured to be normal, and the inlet 2 and the outlet 3 can be disposed at the same side of the cooling plate 1, so as to facilitate the layout and arrangement of the cooling pipelines.
In addition, the embodiment of the disclosure also provides a battery module, which comprises a battery body and the battery cooling device; wherein, the battery body is respectively corresponding to and installed in the installation station.
The battery module comprises the battery cooling device, and can realize all the beneficial effects of the battery cooling device, and the details are not repeated here.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (10)
1. A battery cooling device, characterized by comprising a cooling plate (1);
the cooling plate (1) is integrally U-shaped, and semi-surrounds to form a mounting station for mounting a plurality of batteries;
the inside of the cooling plate (1) is respectively provided with a first flow passage (14) and a second flow passage (15) which are matched with the shape of the cooling plate (1) into a U shape;
the first flow channel (14) and the second flow channel (15) are arranged in a blocking manner along the height direction of the cooling plate (1);
one end of the first flow channel (14) is communicated with the flow inlet (2);
the other end of the first flow channel (14) is communicated with one end of the second flow channel (15) corresponding to the height direction of the cooling plate (1);
the other end of the second flow passage (15) is communicated with the outflow port (3).
2. The battery cooling arrangement according to claim 1, characterized in that the battery cooling arrangement further comprises a heat insulating plate (4);
the cooling plate (1) comprises a first subplate (11), a second subplate (12) and a third subplate (13) which are sequentially connected in a U shape;
a plurality of protruding parts (16) are respectively arranged between the side walls of the first sub-board (11) and the third sub-board (13) which face each other;
the two opposing projections (16) together form a receiving station for mounting the heat shield (4).
3. The battery cooling device according to claim 2, wherein the boss (16) includes a first arc-shaped protrusion (161) and a second arc-shaped protrusion (162) in a direction away from the cooling plate (1);
the first arc-shaped convex part (161) and the second arc-shaped convex part (162) are smoothly and excessively connected with the first sub-board (11) or the third sub-board (13);
and the first arc-shaped convex part (161) and the second arc-shaped convex part (162) are connected in parallel to form a convex platform.
4. A battery cooling arrangement according to claim 3, characterized in that the raised portion (16) is further provided with a recessed detent (163) in the raised platform;
the heat insulation plate (4) can be inserted and fixed through the concave clamping grooves (163) in the two opposite convex parts (16).
5. The battery cooling device according to claim 4, wherein the first flow passage (14) and the second flow passage (15) are provided with extension sub-passages in the first arc-shaped convex portion (161) and the second arc-shaped convex portion (162), respectively.
6. The battery cooling arrangement according to claim 4, characterized in that the heat shield (4) is provided with a heat shield cavity inside;
the heat insulation cavity comprises a first cavity (41) and a second cavity (42) which are arranged in a blocking way along the height direction of the heat insulation plate (4);
a cooling liquid is respectively arranged in the first cavity (41) and the second cavity (42).
7. The battery cooling device according to claim 6, wherein in the side walls of the recessed clamping groove (163) and the heat insulating plate (4), one is provided with a recessed inserted valve seat (44), and the other is provided with a raised valve head (43) correspondingly;
when the heat insulation plate (4) is inserted into the concave clamping groove (163), the convex valve head (43) is correspondingly inserted into the inserted valve seat (44);
and the raised valve head (43) can control the inserted valve seat (44) to be opened so that the first cavity (41) is communicated with the first flow passage (14) and the second cavity (42) is communicated with the second flow passage (15).
8. The battery cooling device according to any one of claims 1 to 7, characterized in that the battery cooling device further comprises a collecting pipe (5);
the collecting pipe (5) is used for conducting and connecting the first flow channel (14) and the second flow channel (15) along the height direction of the cooling plate (1).
9. The battery cooling device according to any one of claims 1 to 7, characterized in that the battery cooling device further comprises a flow barrier pipe (6);
the flow separation pipe (6) is correspondingly arranged at the positions of the inlet (2) and the outlet (3) and is used for separating the inlet (2) from the outlet (3).
10. A battery module comprising a battery body and the battery cooling device according to any one of claims 1 to 9;
wherein, the battery body is respectively corresponding to and installed in the installation station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311198786.8A CN116937008B (en) | 2023-09-18 | 2023-09-18 | Battery cooling device and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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|---|---|---|---|---|
| CN117578002A (en) * | 2024-01-19 | 2024-02-20 | 东莞市隆慧电子科技有限公司 | New energy automobile battery water-cooling radiator |
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| CN116937008B (en) | 2023-12-01 |
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