CN218939818U - Thermal protection spray set and car thereof - Google Patents
Thermal protection spray set and car thereof Download PDFInfo
- Publication number
- CN218939818U CN218939818U CN202223110679.9U CN202223110679U CN218939818U CN 218939818 U CN218939818 U CN 218939818U CN 202223110679 U CN202223110679 U CN 202223110679U CN 218939818 U CN218939818 U CN 218939818U
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- China
- Prior art keywords
- cooling
- battery
- directional
- thermal protection
- pipe
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- 239000007921 spray Substances 0.000 title claims abstract description 51
- 238000001816 cooling Methods 0.000 claims abstract description 123
- 239000000110 cooling liquid Substances 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005507 spraying Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
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- Secondary Cells (AREA)
Abstract
The utility model relates to the technical field of automobiles and discloses a thermal protection spray device and an automobile thereof. According to the thermal protection spray device and the automobile thereof, when the temperature of the battery is abnormally high, the cooling liquid is enabled to realize directional cooling, the spray range is enlarged, and the cooling effect is improved.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a thermal protection spray device and an automobile thereof.
Background
The battery cooling system is critical to ensure battery life, safety and consistency, and if the heat inside the battery system is not effectively controlled, it can cause thermal runaway of the battery. The battery temperature is too high, can cause battery cycle life to reduce, and the battery also can generate heat at the charge-discharge in-process simultaneously, has the risk such as fire. The existing thermal protection spray pipe is made of a layer of meltable material, when the temperature of a battery is abnormally high, the meltable material is melted, and cooling liquid in the spray pipe leaks to cool the battery core, but the cooling effect is poor due to inaccurate cooling position of the cooling liquid leakage or small cooling liquid spraying range.
Disclosure of Invention
The purpose of the utility model is that: the utility model provides a thermal protection spray set and car thereof, when battery temperature is unusual high temperature, makes the coolant liquid realize directional cooling, increases the scope of spraying, promotes the cooling effect.
In order to achieve the above purpose, the utility model provides a thermal protection spray device, which comprises a cooling spray pipe, wherein the cooling spray pipe comprises a support circulating pipe for containing cooling liquid, the support circulating pipe is provided with a directional cooling hole, the surface of the support circulating pipe is provided with a thermal reaction layer, and the thermal reaction layer covers the directional cooling hole.
Preferably, the thermal reaction layer is wrapped on the surface of the supporting circulation pipe to form a thermal reaction pipe.
Preferably, the diameter of the directional cooling holes is 1/4-1/5 of the diameter of the support circulation pipe.
Preferably, the support circulation pipe is provided with a plurality of directional cooling holes, and the adjacent directional cooling holes are arranged at intervals.
Preferably, adjacent directional cooling holes are spaced 200-500mm apart.
An automobile comprises a battery pack and the thermal protection spray device, wherein the cooling spray pipe is arranged on the battery pack.
As the preferred scheme, the battery package includes the battery base, battery installation cavity has been seted up to the battery base, install the electric core in the battery installation cavity, the cooling shower is installed in the battery installation cavity, directional cooling hole orientation electric core setting.
Preferably, the battery base comprises a longitudinal beam extending along the X direction and a plurality of cross beams extending along the Y direction, the cross beams are arranged at intervals along the extending direction of the longitudinal beam, the cross beams and the longitudinal beam are divided to form a plurality of battery installation cavities, the cooling spray pipes are arranged along the inner side walls of the battery installation cavities in an extending mode, and the directional cooling holes face the inner sides of the battery installation cavities which are correspondingly arranged.
Preferably, the cooling spray pipe forms a U-shaped positioning part around the cross beam and/or the longitudinal beam.
As a preferable scheme, the thermal protection spraying device comprises a controller, an electromagnetic valve and a temperature sensor, wherein the electromagnetic valve is communicated with the cooling spraying pipe, the temperature sensor is arranged in the battery pack, and the temperature sensor and the electromagnetic valve are respectively and electrically connected with the controller.
Compared with the prior art, the thermal protection spraying device and the automobile thereof have the beneficial effects that: the cooling spray pipe is arranged on the battery pack, cooling liquid for cooling the battery pack is contained in the supporting circulating pipe, and the cooling spray pipe is used as a general water cooling device for cooling the battery pack when the battery pack is in a normal temperature range. Meanwhile, the thermal reaction layer covers the directional cooling holes, so that the leakage of cooling liquid from the directional cooling holes is avoided, and the use safety of the battery pack is ensured. When the battery pack is abnormally high in temperature, the thermal reaction layer is melted or cracked at high temperature, so that the directional cooling holes are exposed, cooling liquid is sprayed out of the directional cooling holes, the temperature of the battery is reduced, and thermal runaway is controlled.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic view illustrating an internal structure of a battery pack according to an embodiment of the present utility model.
FIG. 3 is a schematic view of the overall structure of a cooling shower according to an embodiment of the present utility model.
FIG. 4 is a schematic view of the internal structure of a cooling shower according to an embodiment of the present utility model.
Fig. 5 is a schematic view showing the structure of a support circulation tube according to an embodiment of the present utility model.
In the figure:
10. cooling the spray pipe; 11. supporting a circulation pipe; 12. a directional cooling hole; 13. a U-shaped positioning part; 14. a thermal reaction layer;
20. a battery pack; 21. a battery mounting cavity; 22. a battery cell; 23. a longitudinal beam; 24. a cross beam; 25. and a battery base.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the present utility model are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be understood that the terms "connected," "fixed," and the like are used in the present utility model in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; the mechanical connection can be realized, and the welding connection can be realized; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 5, a thermal protection spray device according to a preferred embodiment of the present utility model includes a cooling spray pipe 10, the cooling spray pipe 10 includes a support circulation pipe 11 for containing a cooling liquid, a thermal reaction layer 14 is provided on a surface of the support circulation pipe 11, the support circulation pipe 11 is provided with a directional cooling hole 12, and the thermal reaction layer 14 covers the directional cooling hole 12.
In the thermal protection spray device of the present utility model, the cooling liquid for cooling the battery pack 20 is contained in the support circulation pipe 11, and the battery pack 20 is cooled by the cooling liquid. The thermal reaction layer 14 covers the directional cooling holes 12, prevents the coolant from leaking out of the directional cooling holes 12, and ensures the use safety of the battery pack 20. When the temperature of the battery pack 20 is abnormally increased, the thermal reaction layer 14 is melted or cracked at high temperature, so that the directional cooling holes 12 are exposed, cooling liquid is sprayed out of the directional cooling holes 12, the temperature of the battery is reduced, and thermal runaway is controlled, and as the opening position of the directional cooling holes 12 is set as required, the spraying position of the cooling liquid is the required cooling position, so that the cooling liquid is cooled in a directional manner, the spraying range is enlarged, the cooling effect is improved, and the use safety of the whole vehicle is improved.
Wherein the thermal reaction layer 14 is a heat-fusible or cleavable material, such as EPDM or PVC, the support circulation tube 11 is a heat-non-fusible material, the melting point of the support circulation tube 11 is generally higher than 300 ℃, such as copper steel tube, and the melting point of the support circulation tube 11 is higher than that of the thermal reaction layer 14.
Further, as shown in fig. 2 to 4, the thermal reaction layer 14 is wrapped on the surface of the support circulation pipe 11 to form a thermal reaction pipe. The thermal reaction layer 14 forms a tubular structure, so that the leakage of cooling liquid from the directional cooling pipe is effectively avoided, and the difficulty of a sealing process is reduced.
Further, as shown in fig. 4 to 5, the diameter of the directional cooling hole 12 is 1/4-1/5 of the diameter of the supporting circulation pipe 11, so that the supporting strength of the supporting circulation pipe 11 after the directional cooling hole 12 is opened is ensured, and the spraying efficiency of the directional cooling hole 12 is also ensured, and the temperature of the battery pack 20 can be rapidly reduced when the battery pack is abnormally high. The diameter of the cooling hole is smaller, so that the injection pressure of cooling water can be increased, and the cooling effect is improved.
As one example, as shown in fig. 4 to 5, the diameter of the directional cooling hole 12 is 1/3 of the diameter of the support circulation pipe 11.
Further, as shown in fig. 4 to 5, the supporting circulation pipe 11 is provided with a plurality of directional cooling holes 12, and the adjacent directional cooling holes 12 are arranged at intervals, so that the number of the directional cooling holes 12 is increased, the distribution range of the directional cooling holes 12 is enlarged, and the cooling effect is improved.
Further, as shown in fig. 4 to 5, the adjacent directional cooling holes 12 are spaced by 200-500mm, and the adjacent directional cooling holes 12 are spaced within a reasonable range, so that the cooling is more uniform, and the cooling effect is improved.
As one example, as shown in fig. 4 to 5, the directional cooling holes 12 are uniformly spaced in the support circulation pipe 11.
An automobile, as shown in fig. 1 to 2, includes a battery pack 20 and a thermal protection spray device, and a cooling spray pipe 10 is mounted to the battery pack 20.
In the automobile of the present utility model, the cooling shower pipe 10 is mounted on the battery pack 20, the cooling liquid for cooling the battery pack 20 is contained in the support circulation pipe 11, and the cooling shower pipe 10 is used as a general water cooling device for cooling the battery pack 20 when the battery pack 20 is in a normal temperature range. When the battery pack 20 is abnormally high in temperature, the thermal reaction layer 14 is melted or cracked at high temperature, so that the directional cooling holes 12 are exposed, cooling liquid is sprayed out of the directional cooling holes 12, the temperature of the battery is reduced, and thermal runaway is controlled, and as the opening positions of the directional cooling holes 12 are set as required, the spraying positions of the cooling liquid are required cooling positions, so that the cooling liquid is cooled in a directional manner, the spraying range is enlarged, the cooling effect is improved, and the use safety of the whole vehicle is improved.
Further, as shown in fig. 1 to 2, the battery pack 20 includes a battery base 25, the battery base 25 is provided with a battery mounting cavity 21, a battery core 22 is mounted in the battery mounting cavity 21, the cooling shower 10 is mounted in the battery mounting cavity 21, and the directional cooling holes 12 are arranged towards the battery core 22. The electric core 22 is installed in battery installation cavity 21, and directional cooling hole 12 sets up towards electric core 22, and after thermal reaction layer 14 met hot melting or schizolysis, directional cooling hole 12 exposes, and the coolant liquid is spouted to electric core 22 from directional cooling hole 12 under the effect of pressure, and then realizes directional cooling, promotes the accuracy of cooling position, promotes cooling efficiency.
The X direction is the longitudinal direction of the automobile, and the Y direction is the width direction.
Further, as shown in fig. 1 to 2, the battery base 25 includes a longitudinal beam 23 extending along the X direction and a plurality of cross beams 24 extending along the Y direction, the plurality of cross beams 24 are arranged at intervals along the extending direction of the longitudinal beam 23, the cross beams 24 and the longitudinal beam 23 divide to form a plurality of battery installation cavities 21, cooling spray pipes 10 are installed in each battery installation cavity 21, the cooling spray pipes 10 are installed along the inner side walls of the battery installation cavities 21 in an extending manner, and the directional cooling holes 12 face the inner sides of the battery installation cavities 21 corresponding to the cooling spray pipes. The cross beam 24 and the longitudinal beam 23 divide the battery mounting cavity 21 to form a plurality of battery mounting cavities 21, and the battery cells 22 are mounted in the battery mounting cavities 21, so that preliminary mounting and positioning of the battery cells 22 are facilitated, and the battery cells 22 are prevented from being greatly shifted in the use process. The cooling spray pipes 10 are respectively arranged along the inner side walls of the battery installation cavities 21 in an extending mode, so that the length of the cooling spray pipes 10 in the battery installation cavities 21 is improved, and the cooling efficiency and the cooling uniformity are improved.
Further, as shown in fig. 3, the cooling spray pipe 10 forms a U-shaped positioning part 13 around the cross beam 24 and/or the longitudinal beam 23, and by setting the U-shaped positioning part 13, the positioning of the cooling spray pipe 10 in the battery mounting cavity 21 is realized, the movement in the use process is prevented, and the cooling effect is ensured.
Further, the thermal protection spray device comprises a controller, an electromagnetic valve and a temperature sensor, wherein the electromagnetic valve is communicated with the cooling spray pipe 10, the temperature sensor is arranged on the battery pack 20, and the temperature sensor and the electromagnetic valve are respectively and electrically connected with the controller. The temperature sensor is used for measuring the temperature of the battery cell 22, the threshold value of the temperature sensor is set corresponding to the melting temperature of the material of the thermal reaction layer 14, and the electromagnetic valve is used for controlling the flow rate of the cooling liquid in the cooling spray pipe 10. When the temperature sensed by the temperature sensor reaches a threshold value, the controller controls the battery valve to increase the opening degree so that the flow of the cooling liquid meets the cooling requirement.
In summary, the embodiment of the utility model provides a thermal protection spray device and an automobile thereof, wherein a cooling spray pipe 10 is installed on a battery pack 20, a cooling liquid for cooling the battery pack 20 is contained in a supporting circulation pipe 11, and the cooling spray pipe 10 is used as a general water cooling device for cooling the battery pack 20 when the battery pack 20 is in a normal temperature range. Meanwhile, the thermal reaction layer 14 covers the directional cooling holes 12, so that the leakage of the cooling liquid from the directional cooling holes 12 is avoided, and the use safety of the battery pack 20 is ensured. When the battery pack 20 is abnormally high in temperature, the thermal reaction layer 14 is melted or cracked at high temperature, so that the directional cooling holes 12 are exposed, cooling liquid is sprayed out of the directional cooling holes 12, the temperature of the battery is reduced, and thermal runaway is controlled, and as the opening positions of the directional cooling holes 12 are set as required, the spraying positions of the cooling liquid are required cooling positions, so that the cooling liquid is cooled in a directional manner, the spraying range is enlarged, the cooling effect is improved, and the use safety of the whole vehicle is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. A thermal protection spray set, characterized in that: the cooling spray pipe comprises a supporting circulating pipe for containing cooling liquid, wherein a directional cooling hole is formed in the supporting circulating pipe, a thermal reaction layer is arranged on the surface of the supporting circulating pipe, and the thermal reaction layer covers the directional cooling hole.
2. The thermal protection spray device of claim 1, wherein: the thermal reaction layer is wrapped on the surface of the supporting circulating pipe to form a thermal reaction pipe.
3. The thermal protection spray device of claim 1, wherein: the diameter of the directional cooling hole is 1/4-1/5 of the diameter of the supporting circulating pipe.
4. The thermal protection spray device of claim 1, wherein: the support circulating pipe is provided with a plurality of directional cooling holes, and the adjacent directional cooling holes are arranged at intervals.
5. The thermal protection spray device of claim 4, wherein: adjacent directional cooling holes are spaced 200-500mm apart.
6. An automobile, characterized in that: comprising a battery pack and the thermal protection spray device of any one of claims 1-5, the cooling spray tube being mounted to the battery pack.
7. The automobile of claim 6, wherein: the battery pack comprises a battery base, a battery mounting cavity is formed in the battery base, a battery core is arranged in the battery mounting cavity, the cooling spray pipe is arranged in the battery mounting cavity, and the directional cooling hole faces to the battery core.
8. The automobile of claim 7, wherein: the battery base comprises a longitudinal beam extending along the X direction and a plurality of cross beams extending along the Y direction, wherein the cross beams are arranged at intervals along the extending direction of the longitudinal beam, the cross beams and the longitudinal beam are divided to form a plurality of battery installation cavities, the cooling spray pipes are arranged along the inner side walls of the battery installation cavities in an extending mode, and the directional cooling holes face the inner sides of the battery installation cavities which are correspondingly arranged.
9. The automobile of claim 8, wherein: the cooling spray pipes form U-shaped positioning parts around the cross beams and/or the longitudinal beams.
10. The automobile of claim 6, wherein: the thermal protection spray device comprises a controller, an electromagnetic valve and a temperature sensor, wherein the electromagnetic valve is communicated with the cooling spray pipe, the temperature sensor is installed in the battery pack, and the temperature sensor and the electromagnetic valve are respectively and electrically connected with the controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223110679.9U CN218939818U (en) | 2022-11-22 | 2022-11-22 | Thermal protection spray set and car thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223110679.9U CN218939818U (en) | 2022-11-22 | 2022-11-22 | Thermal protection spray set and car thereof |
Publications (1)
Publication Number | Publication Date |
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CN218939818U true CN218939818U (en) | 2023-04-28 |
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ID=86068482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202223110679.9U Active CN218939818U (en) | 2022-11-22 | 2022-11-22 | Thermal protection spray set and car thereof |
Country Status (1)
Country | Link |
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CN (1) | CN218939818U (en) |
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2022
- 2022-11-22 CN CN202223110679.9U patent/CN218939818U/en active Active
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Effective date of registration: 20240222 Granted publication date: 20230428 |
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