CN111952691A - Battery liquid cooling plate structure and car battery - Google Patents
Battery liquid cooling plate structure and car battery Download PDFInfo
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- CN111952691A CN111952691A CN202010676914.5A CN202010676914A CN111952691A CN 111952691 A CN111952691 A CN 111952691A CN 202010676914 A CN202010676914 A CN 202010676914A CN 111952691 A CN111952691 A CN 111952691A
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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
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
- H01M10/65—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
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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
- H01M10/65—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
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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
Abstract
The invention relates to a battery liquid cooling plate structure and an automobile battery, which comprise a liquid cooling plate main body and a liquid inlet and outlet structure, wherein the liquid cooling plate main body comprises an upper cooling plate, a lower cooling plate and a plurality of partition plate ribs, wherein the upper cooling plate and the lower cooling plate are arranged side by side from top to bottom, the partition plate ribs are arranged between the upper cooling plate and the lower cooling plate in a spaced manner, and a cooling cavity between the upper cooling plate and the lower cooling plate is formed into a plurality of cooling flow channels by the plurality of partition plate ribs; the liquid inlet and outlet structure comprises a liquid inlet plate structure and a liquid outlet plate structure which are respectively arranged at two ends of the liquid cooling plate main body, a liquid inlet cavity communicated with one end of the cooling flow channel is formed in the liquid inlet plate structure, a liquid outlet cavity communicated with the other end of the cooling flow channel is formed in the liquid outlet plate structure, a liquid inlet head communicated with the liquid inlet cavity is arranged on the liquid inlet plate structure, and a liquid outlet head communicated with the liquid outlet cavity is arranged on the liquid outlet plate structure; the processing technology of the liquid cooling plate of the battery is simplified, the liquid cooling plate meets the design requirement of light weight, and the cooling heat dissipation performance of the liquid cooling plate is improved.
Description
Technical Field
The invention relates to the technical field of battery cooling, in particular to a battery liquid cooling plate structure and an automobile battery.
Background
The battery is the most core part of the power automobile, and the battery has the highest percentage in the manufacturing cost of the pure electric automobile; in the industry, the biggest current problems of electric automobiles are price and pure electric endurance mileage, and the main methods for solving the two problems are standardization and light weight besides improving the energy density of a battery pack, wherein the standardization refers to the standardization of core components such as a battery module and a motor, and the light weight refers to the reduction of the weight of parts with larger weight on the premise of not reducing the safety coefficient of a vehicle. This is the main direction of the development of electric vehicle technology in the next few years.
The battery module is in the use, because inside electric core has certain internal resistance, can produce certain heat at normal during operation, makes the inside temperature of module rise, and the thermal production with pile up rapidly and certainly make the inside temperature of battery rise, can cause the inside violent chemical reaction that takes place of battery, produce a large amount of heats. If the heat is not dissipated in time and is rapidly accumulated in the battery, the battery may have the phenomena of liquid leakage, air release, smoke generation and the like, and the battery is severely combusted or even exploded in severe cases. In order to avoid the danger, the battery module needs to be radiated, so that the electric core is prevented from being in a high-temperature state for a long time; therefore, the liquid cooling plate is usually installed in the battery module, and liquid is injected into the liquid cooling plate to dissipate heat of the battery core, so that the heat is taken away by the circularly flowing liquid coolant, and the battery is cooled to achieve the purpose of heat dissipation.
In the related art, the battery liquid cooling plate generally includes a bottom plate, an upper plate, and a plurality of harmonica tubes, which are fixed to the bottom plate side by side; however, the battery liquid cooling plate has the following problems: 1. the overall thickness angle and the mass of the battery liquid cooling plate are heavier; 2. set up the battery on the upper plate, the coolant liquid gets into the runner in the upper plate by the mouth of pipe that advances on the upper plate, and then flows in each harmonica pipe, and the harmonica pipe cools off the heat dissipation through the upper plate to the battery, therefore this battery cold liquid board still need just can cool off the heat dissipation through the upper plate, and the cooling radiating effect between cold liquid board and battery is not good.
Disclosure of Invention
The embodiment of the invention provides a battery liquid cooling plate structure and an automobile battery, which simplify the processing technology of the battery liquid cooling plate structure, enable the liquid cooling plate structure to meet the design requirement of light weight, and simultaneously improve the cooling heat dissipation performance of the liquid cooling plate structure.
On one hand, the embodiment of the invention provides a battery liquid cooling plate structure which comprises a liquid cooling plate main body and a liquid inlet and outlet structure, wherein the liquid cooling plate main body comprises an upper cooling plate and a lower cooling plate which are arranged side by side from top to bottom, and a plurality of partition ribs which are arranged between the upper cooling plate and the lower cooling plate in a spaced mode, and a plurality of cooling channels are formed by the plurality of partition ribs in a spaced mode in a cooling cavity between the upper cooling plate and the lower cooling plate; the feed liquor goes out the liquid structure including locating respectively the feed liquor plate structure at liquid cold plate main part both ends with go out the liquid plate structure, be formed with in the feed liquor plate structure with the feed liquor chamber of cooling runner one end intercommunication, go out be formed with in the liquid plate structure with the play liquid chamber of cooling runner other end intercommunication, just be equipped with on the feed liquor plate structure with the liquid inlet head of feed liquor chamber intercommunication, go out be equipped with on the liquid plate structure with go out the liquid head of liquid chamber intercommunication.
In some embodiments, the liquid cooling plate main body is an aluminum profile integrally extruded structure.
In some embodiments, each of the partition ribs extends along a length direction of the liquid cooling plate main body, the partition ribs are arranged in parallel, and the cooling channels penetrate through the liquid cooling plate main body.
In some embodiments, the liquid cooling plate body includes a plurality of solid support plates disposed between the upper cooling plate and the lower cooling plate, and the plurality of cooling channels are disposed between the plurality of solid support plates.
In some embodiments, the solid support plates are respectively disposed on two sides of the liquid cooling plate main body and in the middle of the liquid cooling plate main body.
In some embodiments, the liquid inlet plate structure and the liquid outlet plate structure each include an end bottom plate located at an end of the lower cooling plate, and an end cover plate covering the end bottom plate, the end bottom plate and the end cover plate enclose therebetween the liquid inlet cavity or the liquid outlet cavity communicated with the cooling flow channel, and the liquid inlet head or the liquid outlet head is disposed on the end cover plate.
In some embodiments, two ends of the lower cooling plate extend outwards to form the end bottom plate of the liquid inlet plate structure and the end bottom plate of the liquid outlet plate structure respectively.
In some embodiments, both sides of the end bottom plate are formed with bottom plate side plates protruding upwards, the two bottom plate side plates and the end bottom plate are connected to form a U-shaped plate structure with a receiving groove, and the plurality of cooling flow channels are communicated with the receiving groove; the afterbody of tip apron is outstanding downwards and is formed with the apron tailboard, the apron tailboard with the tip lap connection forms L shaped plate structure, L shaped plate structure through braze joint in the structural on U shaped plate, U shaped plate structure with L shaped plate structure enclose establish form with the cooling channel intercommunication the feed liquor chamber or go out the sap cavity.
On the other hand, the embodiment of the invention provides an automobile battery, which comprises a battery box body, the battery liquid cooling plate structure and a battery module, wherein the battery liquid cooling plate structure is detachably arranged on the battery box body through a connecting bolt; the battery module is arranged on the battery liquid cooling plate structure.
In some embodiments, a plurality of battery liquid cooling plate structures are arranged, and a plurality of battery liquid cooling plate structures are arranged at the bottom of the battery box body side by side; wherein, in every adjacent two in the battery liquid cooling plate structure, one battery liquid cooling plate structure the liquid inlet head with another battery liquid cooling plate structure the liquid inlet head passes through feed liquor pipe intercommunication, one battery liquid cooling plate structure go out the liquid head with another battery liquid cooling plate structure go out the liquid head and pass through the drain pipe intercommunication.
The technical scheme provided by the invention has the beneficial effects that: the battery module is arranged at the upper end of the liquid cooling plate main body, and the cooling cavity between the upper cooling plate and the lower cooling plate is partitioned by the partition ribs to form a plurality of cooling flow channels; the cooling liquid enters the liquid inlet plate structure from the liquid inlet head and flows into the cooling flow channel communicated with the liquid inlet cavity through the liquid inlet cavity, and the cooling liquid flows between the upper cooling plate and the lower cooling plate; because battery module work produces the heat, through the heat that the coolant liquid flow transfer produced, the heat that the battery module produced is taken away by the coolant liquid that flows in the battery liquid cold plate structure finally, therefore the battery liquid cold plate structure can cool off the heat dissipation to the battery module, prevents the rapid rise of temperature. Through the structural design of the liquid cooling plate structure of the battery, the processing technology of the liquid cooling plate structure is simplified, the overall thickness of the liquid cooling plate structure is reduced, and the liquid cooling plate structure meets the design requirement of light weight; simultaneously, the liquid cooling plate main body is directly contacted with the battery module, and the battery module is cooled and radiated, so that the cooling and radiating performance of the liquid cooling plate structure is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a liquid cooling plate structure of a battery according to an embodiment of the invention;
fig. 2 is an exploded schematic view of a liquid cooling plate structure of a battery according to an embodiment of the invention;
FIG. 3 is a schematic cross-sectional view of a cooling flow passage according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an automotive battery according to an embodiment of the present invention.
In the figure: 1. a liquid cooling plate main body; 10. an upper cooling plate; 11. a lower cooling plate; 12. a spacer rib; 13. a cooling flow channel; 14. a solid support plate; 2. a liquid inlet and outlet structure; 20. a liquid inlet plate structure; 200. an end floor; 2000. a bottom plate side plate; 201. an end cover plate; 2010. a cover plate tail plate; 21. a liquid outlet plate structure; 22. a liquid inlet head; 23. a liquid outlet head; 3. a battery case; 4. a liquid inlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
See fig. 1, 2; the embodiment of the invention provides a battery liquid cooling plate structure which comprises a liquid cooling plate main body 1 and a liquid inlet and outlet structure 2, wherein the liquid cooling plate main body 1 comprises an upper cooling plate 10, a lower cooling plate 11 and a plurality of partition ribs 12, wherein the upper cooling plate 10 and the lower cooling plate 11 are arranged side by side from top to bottom, the partition ribs 12 are arranged between the upper cooling plate 10 and the lower cooling plate 11 in a spaced mode, and a cooling cavity between the upper cooling plate 10 and the lower cooling plate 11 is formed into a plurality of cooling flow channels 13 by the partition ribs 12 in a spaced mode; the liquid inlet and outlet structure 2 comprises a liquid inlet plate structure 20 and a liquid outlet plate structure 21 which are respectively arranged at two ends of the liquid cooling plate main body 1, a liquid inlet cavity communicated with one end of the cooling flow channel 13 is formed in the liquid inlet plate structure 20, a liquid outlet cavity communicated with the other end of the cooling flow channel 13 is formed in the liquid outlet plate structure 21, a liquid inlet head 22 communicated with the liquid inlet cavity is arranged on the liquid inlet plate structure 20, and a liquid outlet head 23 communicated with the liquid outlet cavity is arranged on the liquid outlet plate structure 21.
The battery module is arranged at the upper end of the liquid cooling plate main body 1, the cooling cavity between the upper cooling plate 10 and the lower cooling plate 11 is partitioned by the partition ribs 12 to form a plurality of cooling flow channels 13, the partition ribs 12 mainly form a plurality of cooling flow channels 13, the strength of the liquid cooling plate main body 1 is improved, the battery module can be supported, and the stability of the liquid cooling plate main body 1 is enhanced; the cooling liquid enters the liquid inlet plate structure 20 from the liquid inlet head 22 and flows into the cooling flow channel 13 communicated with the liquid inlet cavity through the liquid inlet cavity, and the cooling liquid flows between the upper cooling plate 10 and the lower cooling plate 11 and can flow out from the other end of the cooling flow channel 13 and further flows out from the liquid outlet head 23 communicated with the liquid outlet cavity; because the battery module generates heat when working, the heat generated by the battery module is transferred through the flowing of the cooling liquid, and finally the heat generated by the battery module is taken away by the cooling liquid flowing in the battery liquid cooling plate structure, the battery liquid cooling plate structure can cool and radiate the battery module, and the rapid temperature rise is prevented; after the coolant liquid got into a plurality of cooling runner 13 simultaneously, because the heat feedback that the battery module produced can have the uneven condition of temperature on last cooling plate 10 and lower cooling plate 11, the coolant liquid also can have the temperature uneven in different runners 13 this moment, so make the temperature difference alleviate to some extent after the coolant liquid converges from going out the liquid chamber, avoided making this battery liquid cold drawing structure damage because of the different temperature difference of coolant liquid is too big.
The cooling liquid is generally water or a mixture of water and an organic alcohol; through the structural design of the liquid cooling plate structure of the battery, compared with the prior art, the processing technology of the liquid cooling plate structure is simplified, the overall thickness of the liquid cooling plate structure is reduced, and the liquid cooling plate structure meets the design requirement of light weight; simultaneously, the liquid cooling plate main body 1 is directly contacted with the battery module, and the battery module is cooled and radiated, so that the cooling and radiating performance of the liquid cooling plate structure is improved.
Optionally, the liquid cooling plate main body 1 is designed into an aluminum profile integrated extrusion molding structure, so that the liquid cooling plate main body 1 has good heat conductivity during cooling and heat dissipation; meanwhile, because the aluminum profile is small in density and high in strength, the aluminum profile can also keep good mechanical property when working at high temperature or low temperature, the structure of the cold plate is not required to be cooled due to the weight of the battery module, and the working stability of the liquid cooling plate main body 1 is ensured; meanwhile, the aluminum profile also has good corrosion resistance and oxidation resistance, so that the liquid cooling plate main body 1 is not influenced by the cooling liquid when the cooling liquid flows in the liquid cooling plate main body 1; and the liquid cooling plate main body 1 is designed into an aluminum profile integrated extrusion molding structure, so that the structure of the liquid cooling plate main body 1 can be integrated, and the situation of leakage of the cooling liquid can not occur when the cooling liquid 1 flows.
Referring to fig. 3, in the embodiment of the invention, in order to make the liquid cooling plate main body 1 have higher stability and strength and better support the battery module, each partition rib 12 extends along the length direction of the liquid cooling plate main body 1, and the plurality of partition ribs 12 are arranged in parallel; simultaneously in order to make the coolant liquid in the liquid cooling plate main part 1 internal energy even flow, and can follow the feed liquor chamber and flow in, flow out from the feed liquor chamber, can cool off the heat dissipation to the battery module better, a plurality of cooling flow channels 13 all run through the setting of liquid cooling plate main part 1.
Optionally, the liquid cooling plate main body 1 includes a plurality of solid support plates 14 disposed between the upper cooling plate 10 and the lower cooling plate 11, and a plurality of cooling flow channels 13 are disposed between the plurality of solid support plates 14; the solid supporting plate 14 is mainly used for supporting the gravity of the battery module and the upper cooling plate 10, and the battery liquid cooling plate structure is prevented from collapsing due to the gravity of the battery module and the upper cooling plate 10, so that the battery liquid cooling plate structure is scrapped to generate adverse effects, and the battery liquid cooling plate structure cannot be cooled and dissipated effectively.
Optionally, in order to enhance the stability of the liquid cooling plate structure of the battery, more cooling channels 13 are reserved for flowing the cooling liquid; the solid support plates 14 are respectively arranged on two sides of the liquid cooling plate main body 1 and in the middle of the liquid cooling plate main body 1.
Optionally, in order to more specifically understand the specific structure of the liquid inlet plate structure 20 and the liquid outlet plate structure 21, the liquid inlet plate structure 20 and the liquid outlet plate structure 21 both include an end bottom plate 200 located at an end of the lower cooling plate 11, and an end cover plate 201 covering the end bottom plate, a liquid inlet cavity or a liquid outlet cavity formed between the end bottom plate 200 and the end cover plate 201 and communicated with the cooling flow channel 13 is enclosed, and the liquid inlet head 22 or the liquid outlet head 23 is disposed on the end cover plate 201; optionally, two ends of the lower cooling plate 11 extend outwards to form an end bottom plate 200 of the liquid inlet plate structure 20 and an end bottom plate 200 of the liquid outlet plate structure 21, respectively; it should be noted that the end bottom plate 200 at the end of the lower cooling plate 11 is connected to the cold plate body 1 to form an integral structure, i.e. an integral extrusion-molded aluminum profile structure.
Alternatively, in order to provide a passage for the coolant to flow into and out of the cooling flow channel 13, i.e., an inlet chamber and an outlet chamber; both sides of the end bottom plate 200 are formed with bottom plate side plates 2000 protruding upwards, the two bottom plate side plates 2000 and the end bottom plate 200 are connected to form a U-shaped plate structure with a receiving groove, and the plurality of cooling flow channels 13 are communicated with the receiving groove; the tail of end cover plate 201 protrudes downwards to form cover plate tail plate 2010, and cover plate tail plate 2010 and end cover plate 201 are connected to form an L-shaped plate structure, and the L-shaped plate structure is connected to the U-shaped plate structure through brazing, and the U-shaped plate structure and the L-shaped plate structure enclose a liquid inlet cavity or a liquid outlet cavity which is communicated with cooling flow channel 13. Brazing refers to a welding method that after brazing filler metal lower than the melting point of a weldment and the weldment are heated to the melting temperature of the brazing filler metal at the same time, the liquid brazing filler metal is used for filling gaps of solid workpieces to enable metal connection; since the battery is subjected to various environment detection, such as working environments of vibration, impact, high and low temperature and the like, leakage of the cooling liquid is often caused, even if the cooling liquid with good insulating property is used, the insulating property of the cooling liquid is immediately reduced after the cooling liquid is doped with external substances, and certain safety risk is caused, so that the sealing property of the cooling liquid is important; the L-shaped plate structure is connected to the U-shaped plate structure through brazing, and the liquid inlet cavity and the liquid outlet cavity which are formed in an enclosing mode can guarantee that cooling liquid flows in the cooling flow channel 13 and cannot be leaked out.
Referring to fig. 4, an automotive battery provided in an embodiment of the present invention includes a battery case 3, at least one of the battery liquid cooling plate structures, and a battery module; the battery liquid cooling plate structure is detachably arranged on the battery box body 3 through a connecting bolt; the battery module is arranged on the battery liquid cooling plate structure; through the structural design of the automobile battery, the battery liquid cooling plate structure can be fixed through the battery box body 3, and the battery module is protected and supported; meanwhile, the battery liquid cooling plate structure is detachably arranged on the battery box body 3 through a connecting bolt, compared with the connecting mode of welding in the prior art, the connecting mode is more flexible, and the battery liquid cooling plate structure can be replaced at any time according to the requirement; it should be noted that the connecting bolts do not exceed the upper surface of the liquid cooling plate main body 1, and cannot block the placement position of the battery module.
Optionally, a plurality of battery liquid cooling plate structures are arranged, and the plurality of battery liquid cooling plate structures are arranged at the bottom of the battery box body 3 side by side; in every two adjacent battery liquid cooling plate structures, a liquid inlet head 22 of one battery liquid cooling plate structure is communicated with a liquid inlet head 22 of the other battery liquid cooling plate structure through a liquid inlet pipe 4, and a liquid outlet head 23 of one battery liquid cooling plate structure is communicated with a liquid outlet head 23 of the other battery liquid cooling plate structure through a liquid outlet pipe; when the automobile battery is used for a high-power product, a plurality of groups of battery modules are needed, and meanwhile, a plurality of groups of corresponding battery liquid cooling plate structures are needed, so that a plurality of battery liquid cooling plate structures can be connected in series through a plurality of liquid inlet pipes 4 or liquid outlet pipes in the automobile battery according to different power requirements.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are intended to be inclusive and mean, for example, that there may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions; also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A battery liquid cooling plate structure, comprising:
the liquid cooling plate main body (1) comprises an upper cooling plate (10) and a lower cooling plate (11) which are arranged side by side from top to bottom, and a plurality of partition ribs (12) which are arranged between the upper cooling plate (10) and the lower cooling plate (11) in a spaced mode, and a plurality of cooling flow channels (13) are formed by the cooling cavities between the upper cooling plate (10) and the lower cooling plate (11) in a spaced mode through the partition ribs (12); and the number of the first and second groups,
feed liquor goes out liquid structure (2), including locating respectively the feed liquor plate structure (20) at liquid cold plate main part (1) both ends with go out liquid plate structure (21), be formed with in feed liquor plate structure (20) with the feed liquor chamber of cooling runner (13) one end intercommunication, go out to be formed with in liquid plate structure (21) with the play liquid chamber of cooling runner (13) other end intercommunication, just be equipped with on feed liquor plate structure (20) with liquid inlet head (22) of feed liquor chamber intercommunication, go out to be equipped with on liquid plate structure (21) with go out liquid head (23) of liquid chamber intercommunication.
2. The battery liquid cooling plate structure of claim 1, wherein the liquid cooling plate body (1) is provided as an aluminum profile integrally extruded structure.
3. The battery liquid-cooling plate structure of claim 1, wherein each of the separator ribs (12) extends along the length direction of the liquid-cooling plate body (1), and a plurality of the separator ribs (12) are arranged in parallel with each other, and a plurality of the cooling channels (13) are arranged through the liquid-cooling plate body (1).
4. The battery liquid-cooled plate structure of claim 1, characterized in that the liquid-cooled plate body (1) includes a plurality of solid support plates (14) provided between the upper cooling plate (10) and the lower cooling plate (11), and a plurality of the cooling flow channels (13) are located between the plurality of solid support plates (14).
5. The battery liquid cooling plate structure of claim 4, wherein a plurality of the solid support plates (14) are respectively disposed on both sides of the liquid cooling plate body (1) and in the middle of the liquid cooling plate body (1).
6. The battery liquid cooling plate structure of any one of claims 1 to 5, wherein each of the liquid inlet plate structure (20) and the liquid outlet plate structure (21) comprises an end bottom plate (200) located at an end of the lower cooling plate (11), and an end cover plate (201) covering the end bottom plate, the end bottom plate (200) and the end cover plate (201) enclose the liquid inlet cavity or the liquid outlet cavity between them, which is communicated with the cooling flow channel (13), and the liquid inlet head (22) or the liquid outlet head (23) is located on the end cover plate (201).
7. The battery liquid cooling plate structure of claim 6, characterized in that both ends of the lower cooling plate (11) extend outward to form the end bottom plate (200) of the liquid inlet plate structure (20) and the end bottom plate (200) of the liquid outlet plate structure (21), respectively.
8. The battery liquid cooling plate structure of claim 7, wherein both sides of said end bottom plate (200) are formed with bottom plate side plates (2000) protruding upward, and two of said bottom plate side plates (2000) and said end bottom plate (200) are connected to form a U-shaped plate structure having a receiving groove, and a plurality of said cooling flow channels (13) are communicated with said receiving groove;
the afterbody of tip apron (201) is outstanding downwards and is formed with apron tailboard (2010), apron tailboard (2010) with tip apron (201) are connected and are formed L shaped plate structure, L shaped plate structure through the brazing connect in U shaped plate is structural, U shaped plate structure with L shaped plate structure enclose establish form with cooling runner (13) intercommunication the feed liquor chamber or go out the liquid chamber.
9. An automotive battery, comprising:
a battery case (3);
the at least one battery liquid-cooled plate structure of any one of claims 1 to 8, detachably mounted on said battery case (3) by means of connecting bolts; and the number of the first and second groups,
and the battery module is arranged on the battery liquid cooling plate structure.
10. The vehicle battery according to claim 9, wherein a plurality of said battery liquid cooling plate structures are provided, and a plurality of said battery liquid cooling plate structures are provided side by side at the bottom of said battery case (3);
wherein, in every adjacent two battery liquid cooling plate structure, one battery liquid cooling plate structure liquid inlet head (22) and another battery liquid cooling plate structure liquid inlet head (22) pass through feed liquor pipe (4) intercommunication, one battery liquid cooling plate structure liquid outlet head (23) and another battery liquid cooling plate structure liquid outlet head (23) pass through the drain pipe intercommunication.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676914.5A CN111952691A (en) | 2020-07-14 | 2020-07-14 | Battery liquid cooling plate structure and car battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010676914.5A CN111952691A (en) | 2020-07-14 | 2020-07-14 | Battery liquid cooling plate structure and car battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510302A (en) * | 2020-11-30 | 2021-03-16 | 湖南海博瑞德电智控制技术有限公司 | Liquid-cooled battery pack box |
| CN113140824A (en) * | 2021-03-30 | 2021-07-20 | 广州小鹏汽车科技有限公司 | Battery module, battery system and vehicle |
| CN113629315A (en) * | 2021-07-23 | 2021-11-09 | 上汽通用汽车有限公司 | Battery pack chassis and battery pack |
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