CN217280936U - Cold and hot dual-purpose thermal management structure of battery package - Google Patents
Cold and hot dual-purpose thermal management structure of battery package Download PDFInfo
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- CN217280936U CN217280936U CN202123429075.6U CN202123429075U CN217280936U CN 217280936 U CN217280936 U CN 217280936U CN 202123429075 U CN202123429075 U CN 202123429075U CN 217280936 U CN217280936 U CN 217280936U
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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
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a cold and hot dual-purpose heat management structure of battery package, including cooling/preheat the bottom plate, first cooling/preheat the curb plate, the second cooling/preheat curb plate and a plurality of conducting strip (4). The battery part is divided into even number of same battery modules which are symmetrically distributed on the heat conducting sheet on the cooling/preheating bottom plate, and the first cooling/preheating side plate and the second cooling/preheating side plate are in an arc shape and are respectively inserted into a gap between the battery modules on the right side and the left side. The bottom surface of the battery module is in direct contact with the heat-conducting fins arranged on the cooling/preheating bottom plate, and the side surfaces of the battery module are in direct contact with the heat-conducting fins arranged on the cooling/preheating side plates. This structure can realize the cold and hot dual-purpose function of battery package, alleviates battery package weight, improves the battery package heat dissipation and preheats efficiency.
Description
Technical Field
The utility model relates to an electric automobile battery heat dissipation preheats the technique, concretely relates to cold and hot dual-purpose thermal management structure of battery package.
Background
The endurance mileage is an extremely important index for measuring the performance of the electric automobile, a large number of battery modules are often required to be installed in order to guarantee the large endurance mileage, the grouping mode among the battery modules is complex, meanwhile, the temperature of the battery modules needs to be adjusted during operation, the battery can be guaranteed to work efficiently and safely, and the thermal management structure of the battery modules is required to be installed in a battery pack in a reasonable installation mode.
CN108493515A discloses "cubic battery package is directly cold non-internal flow heat management structure", sets up on the battery package, and the battery package includes a plurality of battery module, including heat abstractor and heating device, heat abstractor includes the fan that sets up on the box lateral wall, and the vent that sets up on another corresponding lateral wall, heat conduction subsides are pasted to battery module bottom, and the battery module hugs closely on the module fixed plate, module fixed plate below is equipped with the wind channel. But the overall structure is more complex and not easy to control and mass produce.
In addition, in the prior art, in a general heat dissipation manner, a heat conducting plate with a cooling channel or a material with good heat conducting performance such as an aluminum plate is arranged to conduct heat, and a preheating manner is to directly contact a heating film or a PTC with a battery cell to heat. The heat dissipation preheating mode can lead to relatively large occupied space of the battery pack, is complex in structure and inconvenient to control, and is not beneficial to automatic assembly and improvement of energy density.
Disclosure of Invention
An object of the utility model is to provide a cold and hot dual-purpose thermal management structure of battery package, it realizes the cold and hot dual-purpose function of battery package, can adjust the temperature of battery part, alleviates battery package weight, improves the battery package heat dissipation and preheats efficiency.
In order to achieve the above object, the present invention provides a thermal management structure for both cooling and heating of a battery pack, which comprises a cooling/preheating bottom plate, a first cooling/preheating side plate, a second cooling/preheating side plate and a plurality of heat conducting fins. The battery part is divided into an even number of identical battery modules which are symmetrically distributed on the heat conducting sheet on the cooling/preheating bottom plate in a bilateral mode, the first cooling/preheating side plate is arched and is arranged in a gap between the battery modules on the right side in an inserting mode, and the second cooling/preheating side plate is arched and is arranged in a gap between the battery modules on the left side in an inserting mode.
The bottom surface of the battery module is in direct contact with the heat-conducting fins arranged on the cooling/preheating bottom plate, and the side surfaces of the battery module are in direct contact with the heat-conducting fins arranged on the first and second cooling/preheating side plates.
Furthermore, the bottom of the battery module is directly contacted with one surface of the heat conducting sheet arranged on the cooling/preheating bottom plate, and the cooling/preheating bottom plate is directly contacted with the other surface corresponding to the heat conducting sheet; the side surface of the battery module is in direct contact with one surface of the heat conducting fin arranged on the first cooling/preheating side plate or the second cooling/preheating side plate, and the first cooling/preheating side plate or the second cooling/preheating side plate is in direct contact with the other surface corresponding to the heat conducting fin.
Furthermore, a bottom plate cooling/preheating pipeline is respectively arranged in the cooling/preheating bottom plate corresponding to the left part and the right part of the battery module, the bottom plate cooling/preheating pipeline is arranged in a snake shape, and an inlet and an outlet of the bottom plate cooling/preheating pipeline are led out from the side surface of the cooling/preheating bottom plate.
Furthermore, side plate cooling/preheating pipelines are respectively arranged in the first cooling/preheating side plate and the second cooling/preheating side plate, a plurality of side plate cooling/preheating pipelines are arranged side by side and are arranged along with the side plates in an arched manner, and the inlet and the outlet of each side plate cooling/preheating pipeline are led out from the head end and the tail end of each arched first cooling/preheating side plate and each arched second cooling/preheating side plate.
Further, the material of the cooling/preheating bottom plate, the first cooling/preheating side plate and the second cooling/preheating side plate is nickel, iron aluminum, copper, manganese, chromium, etc.
Further, the fluid media inside the cooling/preheating bottom plate, the first cooling/preheating side plate and the second cooling/preheating side plate are cooling media or preheating media.
Contrast prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a set up the cooperation heat management mode that cooling/preheated bottom plate and cooling/preheated the curb plate, can realize the cold and hot dual-purpose function of battery package, can improve the temperature control effect to the battery effectively, can improve the preheating rate of battery module under the cold condition effectively, the heat management structure of symmetry can save battery package space effectively and easily install in the car.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.
Fig. 1 is a schematic diagram of a thermal management structure of a battery pack according to an embodiment of the present application;
FIG. 2 is an exploded view of the structure of FIG. 1;
fig. 3 is a left side view of a battery pack thermal management structure;
FIG. 4 is a schematic view of the internal structure of the cooling/preheating floor;
fig. 5 is a schematic view of the internal structure of the cooling/preheating side plate.
Reference numerals shown in the drawings: 1-cooling/preheating the soleplate; 11-a first cooling/pre-heating floor inlet, 12-a first cooling/pre-heating floor outlet, 13-a second cooling/pre-heating floor outlet, 14-a second cooling/pre-heating floor inlet; 2-a first cooling/preheating side plate; 21-first cooling/preheating side plate outlet, 22-first cooling/preheating side plate inlet; 3-a second cooling/preheating side plate; 31-second cooling/pre-heating side plate outlet, 32-second cooling/pre-heating side plate inlet; 4-a thermally conductive sheet; 5-floor cooling/preheating piping; 6-side plate cooling/preheating of the tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the specific examples described herein are only for explaining the present invention, and are not used to limit the present invention.
It will be understood that when an element is referred to in this section as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element.
It should be further noted that, in the embodiment of the present invention, the XYZ rectangular coordinate system is defined according to the coordinate system established in fig. 1; one side in the positive direction of the X axis is defined as the front, and one side in the negative direction of the X axis is defined as the back; one side in the positive Y-axis direction is defined as the left side, and one side in the negative Y-axis direction is defined as the right side; the side in the positive direction of the Z axis is defined as the upper side, and the side in the negative direction of the Z axis is defined as the lower side.
It will be understood that the terms "front", "back", "left", "right", "up", "down", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced device or element must have an orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present application.
In addition, in the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
This implementation provides a battery package cold and hot dual-purpose heat management structure carries out temperature regulation to a plurality of batteries and refers to fig. 1, including cooling/preheat bottom plate 1, first cooling/preheat curb plate 2, second cooling/preheat curb plate 3, a plurality of conducting strip 4.
The cooling/preheating bottom plate 1, the first cooling/preheating side plate 2 and the second cooling/preheating side plate 3 are respectively provided with a first cooling/preheating bottom plate inlet 11, a first cooling/preheating bottom plate outlet 12, a second cooling/preheating bottom plate outlet 13, a second cooling/preheating bottom plate inlet 14, a first cooling/preheating side plate outlet 21, a first cooling/preheating side plate inlet 22, a second cooling/preheating side plate outlet 31 and a second cooling/preheating side plate inlet 32.
The battery part of the battery pack is divided into 8 identical battery modules which are symmetrically distributed on the heat conducting fins 4 on the cooling/preheating bottom plate 1.
The first cooling/preheating side plate 2 is arched and is arranged in a gap between the right battery modules in an inserting manner, and the second cooling/preheating side plate 3 is also arched and is arranged in a gap between the left battery modules in an inserting manner.
The battery module directly contacts with one surface of the heat conducting sheet 4 arranged on the cooling/preheating bottom plate 1, the other surface of the cooling/preheating bottom plate 1 corresponding to the heat conducting sheet 4 directly contacts with one surface of the heat conducting sheet 4 arranged on the first cooling/preheating side plate 2, and the other surface of the second cooling/preheating side plate 3 corresponding to the heat conducting sheet 4 directly contacts with each other.
A soleplate cooling/preheating pipeline is respectively arranged in the cooling/preheating soleplate 1 at the left part and the right part corresponding to the battery module, the soleplate cooling/preheating pipeline is in a snake shape, and the inlet and the outlet of the soleplate cooling/preheating pipeline are led out from the side surface of the cooling/preheating soleplate 1 and are respectively a first cooling/preheating soleplate inlet 11, a first cooling/preheating soleplate outlet 12, a second cooling/preheating soleplate outlet 13 and a second cooling/preheating soleplate inlet 14.
Side plate cooling/preheating pipelines are also respectively arranged in the first cooling/preheating side plate 2 and the second cooling/preheating side plate 3, a plurality of side plate cooling/preheating pipelines are arranged side by side and are arranged in an arched shape along with the side plates, and inlets and outlets of the side plate cooling/preheating pipelines are led out from the head end and the tail end of the arched first cooling/preheating side plate 2 and the arched second cooling/preheating side plate 3 and are respectively a first cooling/preheating side plate outlet 21, a first cooling/preheating side plate inlet 22, a second cooling/preheating side plate outlet 31 and a second cooling/preheating side plate inlet 32.
Further, the first cooling/preheating floor inlet 11 and the second cooling/preheating floor inlet 14 are respectively close to the leftmost side and the rightmost side of the cooling/preheating floor 1, and the first cooling/preheating floor outlet 12 and the second cooling/preheating floor outlet 13 are close to the pipe opening in the middle of the cooling/preheating floor 1, as shown in fig. 1. The cooling/preheating pipe inlet and outlet of the cooling/preheating floor 1 are arranged on the same side of the floor, so that the pressure difference at the inlet and outlet of the cooling/preheating pipe can be effectively reduced.
The first cooling/preheating side plate inlet 22 is positioned above the same side as the first cooling/preheating bottom plate outlet 12 and the second cooling/preheating bottom plate outlet 13 of the cooling/preheating bottom plate 1, and the first cooling/preheating side plate outlet 21 is positioned above the side opposite to the second cooling/preheating bottom plate inlet 14. The second cooling/preheating side plate inlet 32 of the second cooling/preheating side plate 3 is located above and on the same side as the first cooling/preheating floor outlet 12 and the second cooling/preheating floor outlet 13, and the second cooling/preheating side plate outlet 31 is located above and directly opposite to the first cooling/preheating floor inlet 11, as shown in fig. 3. The inlet of the cooling/preheating pipeline of the cooling/preheating side plate and the inlet and the outlet of the cooling/preheating pipeline of the cooling/preheating bottom plate are arranged on the same side, so that the unified management of the liquid medium is facilitated.
Preferably, the heat-conducting fins 4 provided on the cooling/preheating base plate 1 and the heat-conducting fins 4 provided on the cooling/preheating side plates are rectangular in shape, and can be better contacted with the contact surfaces of the corresponding cooling/preheating base plate and the corresponding cooling/preheating side plates.
The cooling/preheating floor 1 of the heat management structure of the battery pack provided in this embodiment includes two floor cooling/preheating pipes 5, and the schematic diagram of the internal structure of the cooling/preheating floor is shown in fig. 4. The use of serpentine channels for the floor cooling/pre-heating channels and U-shaped channels at the corners provides good fluid flow characteristics.
The first cooling/preheating side plate 2 and the third cooling/preheating side plate 3 of the heat management structure for a battery pack provided in this embodiment each contain four side-by-side plate cooling/preheating pipes 6, and the schematic diagram of the internal structure of the cooling/preheating side plates is shown in fig. 5.
The cooling/preheating bottom plate and the cooling/preheating side plate are made of metal with good heat conducting performance, and the heat conducting fins are made of metal foils with good heat transfer effect, such as nickel, iron aluminum, copper, manganese, chromium and the like.
In the above technical solution, the fluid medium in the cooling/preheating bottom plate and the cooling/preheating side plate may be a cooling medium or a preheating medium, and the specific medium material is a medium material commonly used in the art.
As an embodiment of the present invention: the battery pack generates a large amount of heat when used in a non-low temperature environment. During heat dissipation, heat generated by the battery module is transferred through the heat conducting fins and then transferred into the cooling/preheating bottom plate through the heat conducting fins, and the medium in the cooling channel in the cooling/preheating bottom plate absorbs the heat and brings the heat out through the channel, so that heat exchange is achieved. The heat generated by the battery module is transferred through the heat conducting fins and then is transferred into the cooling/preheating side plate through the heat conducting fins, and the heat is absorbed by media in a cooling channel contained in the cooling/preheating side plate and is taken out through the channel, so that heat exchange is achieved.
As an embodiment of the present invention: when the battery pack is used in a low-temperature environment, the battery pack needs to be preheated. When preheating, the medium in the cooling channel contained in the cooling/preheating bottom plate has a certain temperature, heat is transferred to the heat-conducting fins, and then the heat is transferred to the battery module by the heat-conducting fins, so that heat exchange is achieved. The medium in the cooling channel in the cooling/preheating side plate has a certain temperature, and the heat is transferred to the heat-conducting fins and then transferred to the battery module by the heat-conducting fins, so that heat exchange is achieved.
Claims (7)
1. A battery pack cooling and heating dual-purpose heat management structure comprises a cooling/preheating bottom plate (1), a first cooling/preheating side plate (2), a second cooling/preheating side plate (3) and a plurality of heat conducting fins (4); the battery preheating and cooling device is characterized in that a battery part is divided into an even number of identical battery modules which are distributed on the heat conducting fins (4) on the cooling/preheating bottom plate (1) in a bilateral symmetry mode, the first cooling/preheating side plate (2) is arched and is arranged in a gap between the battery modules on the right side in an inserting mode, and the second cooling/preheating side plate (3) is arched and is arranged in a gap between the battery modules on the left side in an inserting mode;
the bottom surface of the battery module is in direct contact with the heat-conducting fins arranged on the cooling/preheating bottom plate, and the side surfaces of the battery module are in direct contact with the heat-conducting fins arranged on the first and second cooling/preheating side plates.
2. The battery pack cooling and heating dual-purpose thermal management structure according to claim 1, wherein the bottom of the battery module is in direct contact with one surface of the heat conducting fin (4) disposed on the cooling/preheating base plate (1), and the cooling/preheating base plate (1) is in direct contact with the other surface corresponding to the heat conducting fin (4); the side face of the battery module is in direct contact with one face of the heat conducting sheet (4) arranged on the first cooling/preheating side plate (2) or the second cooling/preheating side plate (3), and the first cooling/preheating side plate (2) or the second cooling/preheating side plate (3) is in direct contact with the other face corresponding to the heat conducting sheet (4).
3. The battery pack cooling and heating dual-purpose thermal management structure according to claim 1, wherein a base plate cooling/preheating pipe is respectively disposed in the cooling/preheating base plate (1) at positions corresponding to the left and right portions of the battery module, the base plate cooling/preheating pipe is arranged in a serpentine shape, and an inlet and an outlet of the base plate cooling/preheating pipe are led out from a side surface of the cooling/preheating base plate (1).
4. The battery pack cooling and heating dual-purpose thermal management structure according to claim 1, wherein side plate cooling/preheating pipes are respectively arranged in the first cooling/preheating side plate (2) and the second cooling/preheating side plate (3), a plurality of side plate cooling/preheating pipes are arranged side by side and are arranged in an arched manner along with the side plates, and inlets and outlets of the side plate cooling/preheating pipes are led out from the head end and the tail end of the arched first cooling/preheating side plate (2) and the arched second cooling/preheating side plate (3).
5. A battery pack cooling and heating dual-purpose heat management structure according to claim 1, further comprising a first cooling/preheating bottom plate inlet (11), a first cooling/preheating bottom plate outlet (12), a second cooling/preheating bottom plate outlet (13), a second cooling/preheating bottom plate inlet (14), a first cooling/preheating side plate outlet (21), a first cooling/preheating side plate inlet (22), a second cooling/preheating side plate outlet (31), and a second cooling/preheating side plate inlet (32);
the first cooling/preheating bottom plate inlet (11) and the second cooling/preheating bottom plate inlet (14) are respectively close to the left end and the right end of the cooling/preheating bottom plate (1), and the first cooling/preheating bottom plate outlet (12) and the second cooling/preheating bottom plate outlet (13) are close to the pipeline opening in the middle of the cooling/preheating bottom plate (1);
the first cooling/preheating side plate inlet (22) is positioned above the same side as the second cooling/preheating bottom plate outlet (13), the first cooling/preheating side plate outlet (21) is positioned on the first cooling/preheating side plate (2) opposite to the second cooling/preheating bottom plate inlet (14), the second cooling/preheating side plate inlet (32) is positioned above the same side as the cooling/preheating bottom plate outlet (12), and the second cooling/preheating side plate outlet (31) is positioned on the second cooling/preheating side plate (3) opposite to the first cooling/preheating bottom plate inlet (11).
6. A battery pack cooling and heating dual-purpose thermal management structure according to any one of claims 1-5, wherein the fluid medium in the cooling/preheating bottom plate (1), the first cooling/preheating side plate (2) and the second cooling/preheating side plate (3) is a cooling medium or a preheating medium.
7. A dual-purpose heat management structure for cooling and heating a battery pack according to any one of claims 1 to 5, wherein the material of the cooling/preheating bottom plate (1), the first cooling/preheating side plate (2) and the second cooling/preheating side plate (3) is nickel, iron-aluminum, copper, manganese or chromium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123429075.6U CN217280936U (en) | 2021-12-31 | 2021-12-31 | Cold and hot dual-purpose thermal management structure of battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123429075.6U CN217280936U (en) | 2021-12-31 | 2021-12-31 | Cold and hot dual-purpose thermal management structure of battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217280936U true CN217280936U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123429075.6U Active CN217280936U (en) | 2021-12-31 | 2021-12-31 | Cold and hot dual-purpose thermal management structure of battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217280936U (en) |
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2021
- 2021-12-31 CN CN202123429075.6U patent/CN217280936U/en active Active
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |