CN219106424U - Battery pack heat dissipation and thermal runaway protection integrated device - Google Patents
Battery pack heat dissipation and thermal runaway protection integrated device Download PDFInfo
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- CN219106424U CN219106424U CN202223575114.8U CN202223575114U CN219106424U CN 219106424 U CN219106424 U CN 219106424U CN 202223575114 U CN202223575114 U CN 202223575114U CN 219106424 U CN219106424 U CN 219106424U
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- battery pack
- heat dissipation
- thermal runaway
- installation shell
- integrated device
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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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Abstract
The utility model discloses a battery pack heat dissipation and thermal runaway protection integrated device, which relates to the technical field of battery packs and comprises a battery pack heat dissipation and thermal runaway protection integrated device main body, wherein the battery pack heat dissipation and thermal runaway protection integrated device main body comprises a battery pack installation shell, a ventilation net is fixedly arranged on the side wall of the bottom of the battery pack installation shell, a heat dissipation mechanism is arranged in the battery pack installation shell, and a thermal runaway control mechanism is arranged on the side wall of the battery pack installation shell. The utility model has the advantages that the temperature sensing device is used for monitoring the temperature inside the battery pack installation shell, the temperature control switch is controlled generally according to the numerical value of the temperature sensing device, when the temperature value of the thermal runaway is reached, the temperature control switch generally controls the telescopic rod to lift the sealing cover to eject a large amount of heat and expanded air inside the battery pack installation shell, so that the battery pack inside the battery pack installation shell is prevented from burning or even exploding.
Description
Technical Field
The utility model relates to the technical field of battery packs, in particular to a battery pack heat dissipation and thermal runaway protection integrated device.
Background
The battery pack consists of a plurality of battery cells and is the core for energy storage and supply of electrical equipment. The battery can generate a large amount of heat in the charging and discharging processes, if the heat cannot be timely dissipated, the heat can be accumulated in the battery, the service life of the battery is reduced, and fire accidents can be seriously caused; because the battery can meet various complicated working conditions such as overcharge, overdischarge, collision, high temperature and the like in the service process, the battery is easy to generate thermal runaway under the abuse conditions and rapidly spreads to the whole battery pack, so that huge property loss is caused and even life safety is endangered, the utility model provides a battery pack heat dissipation and thermal runaway protection integrated device.
In the prior art, a Chinese patent document with publication number of CN216671759U and publication date of 2022, 06 and 03 is proposed to solve the above technical problems, and the technical scheme disclosed in the patent document is as follows: an integrated device for heat dissipation and thermal runaway protection of a battery pack; the battery unit comprises a shell for accommodating the battery unit and a heat dissipation device of the battery unit; the inside of the shell is divided into a plurality of chambers for accommodating battery monomers by a plurality of heat insulation plates; the same side of each heat insulating plate is adhered with a heat insulating plate; the battery monomers are arranged in the cavity, and two side surfaces of each battery monomer are respectively attached to the heat conducting plate and the heat insulating plate; the shell is provided with an end cover, and a safety air valve device is arranged on the end cover; the heat conducting plate is connected with the heat radiating device; the heat of each battery cell is transferred to the heat radiating device through the heat conducting plate.
In order to solve the problem that the traditional battery pack heat dissipation mechanism adopts a single air cooling mode or a single liquid cooling mode to absorb heat relatively poor, the prior art adopts a mode of jointly matching a heat conducting plate, a heat insulating plate, a liquid cooling mechanism and an air cooling mechanism to process, but the situation that the liquid cooling mechanism and the air cooling mechanism are arranged at the bottom of a shell can also occur, and then the problem that the difference exists between the heat dissipation between battery monomers and the heat dissipation effect of the bottom to cause temperature difference is caused.
Disclosure of Invention
The present utility model is directed to an integrated device for heat dissipation and thermal runaway protection of a battery pack, so as to solve the above-mentioned problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the battery pack heat dissipation and thermal runaway protection integrated device comprises a battery pack heat dissipation and thermal runaway protection integrated device main body, wherein the battery pack heat dissipation and thermal runaway protection integrated device main body comprises a battery pack installation shell, a ventilation net is fixedly arranged on the side wall of the bottom of the battery pack installation shell, a heat dissipation mechanism is arranged in the battery pack installation shell, and a thermal runaway control mechanism is arranged on the side wall of the battery pack installation shell; the thermal runaway control mechanism comprises a temperature control switch unit and a control spring cover unit, wherein the temperature control switch unit is arranged on the side wall of the battery pack installation shell, and the control spring cover unit is arranged at the top of the battery pack installation shell; the heat dissipation mechanism comprises an air cooling unit and a liquid cooling unit, wherein the air cooling unit is arranged at the upper end and the lower end of the battery pack installation shell, and the liquid cooling unit is arranged in the middle of the battery pack installation shell.
The technical scheme of the utility model is further improved as follows: the temperature control switch unit comprises a temperature control switch assembly fixedly arranged on the side wall of the battery pack installation shell, and one end of the temperature control switch assembly is fixedly provided with a temperature sensing device.
By adopting the technical scheme, the temperature sensing device plays a role in monitoring the temperature inside the battery pack installation shell, so that the temperature control switch is controlled generally according to the numerical value of the temperature sensing device.
The technical scheme of the utility model is further improved as follows: the control spring cover unit comprises a closed cover which is installed above the battery pack installation shell in a clamping manner, a telescopic rod is fixedly arranged at the lower end of the closed cover, and the control end of the telescopic rod is electrically connected with the overall output end of the temperature control switch.
By adopting the technical scheme, the temperature control switch is generally used for controlling the telescopic rod to lift and spring the sealing cover, so that a large amount of heat and expanded air in the battery pack installation shell are discharged, and the battery pack in the battery pack installation shell is prevented from burning or even exploding.
The technical scheme of the utility model is further improved as follows: the air cooling unit comprises a heat dissipation air duct fixedly arranged at the top of the sealing cover, and an exhaust fan is fixedly arranged in the heat dissipation air duct.
By adopting the technical scheme, the exhaust fan works to exhaust the hot air in the battery pack installation shell through the heat radiation air duct, and the hot air is matched with the air cooler to form air flow from bottom to top to take away heat.
The technical scheme of the utility model is further improved as follows: the air cooling unit further comprises an air cooler fixedly mounted on the inner surface of the bottom of the battery pack mounting shell, a ventilation plate is arranged above the air cooler, and the surface of the ventilation plate is fixedly connected with the inner surface of the battery pack mounting shell.
By adopting the technical scheme, the air cooler works to suck outside air and performs air cooling and heat dissipation through the ventilating plate battery pack.
The technical scheme of the utility model is further improved as follows: the liquid cooling unit comprises a cooling liquid circulating pipe arranged below the ventilating plate, a pump is fixedly arranged in the middle of the cooling liquid circulating pipe, and a cooling pipe is fixedly arranged at the upper end of the cooling liquid circulating pipe in a penetrating mode through the ventilating plate.
By adopting the technical scheme, the ventilation plate separates the battery pack installation cavity from the battery pack installation shell, the heat dissipation plate separates the battery monomers, and the heat dissipation fins on the surface accelerate the heat dissipation between the battery monomers.
The technical scheme of the utility model is further improved as follows: the liquid cooling unit further comprises a heat radiation plate which is clamped on the inner surface of the battery pack installation shell, heat radiation fins are uniformly distributed on the surfaces of two sides of the heat radiation plate, and a hollow placing groove matched with the cooling pipe is formed in the heat radiation plate.
By adopting the technical scheme, the cooling liquid circulation pipe enables the cooling liquid to circulate through the pump for liquid cooling, and the cooling pipe enables the cooling liquid to cool each battery cell by matching with the cooling plate.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a battery pack heat dissipation and thermal runaway protection integrated device, wherein a temperature sensing device plays a role in monitoring the temperature inside a battery pack installation shell, a temperature control switch is generally controlled according to the numerical value of the temperature sensing device, and when the temperature reaches the thermal runaway temperature value, the temperature control switch generally controls a telescopic rod to lift a sealing cover to pop up so as to discharge a large amount of heat and expanded air inside the battery pack installation shell, so that the battery pack inside the battery pack installation shell is prevented from burning or even exploding.
2. The utility model provides a battery pack heat dissipation and thermal runaway protection integrated device, wherein a battery pack mounting cavity is formed in a battery pack mounting shell through a ventilating plate, air sucked by an air cooler in work is subjected to air cooling heat dissipation through a battery pack through the ventilating plate, battery cells are separated through a heat dissipation plate, heat dissipation between the battery cells is accelerated through heat dissipation fins on the surface of the battery cells, hot air in the battery pack mounting shell is discharged through a heat dissipation air duct in the work of an exhaust fan, heat is taken away by air flow formed by the exhaust fan from bottom to top, a cooling liquid circulation pipe enables cooling liquid to circulate through a pump, cooling pipes enable cooling liquid to cool each battery cell through the cooling pipes, and the cooling plate is matched for cooling the battery cells.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a thermal runaway mode of construction of the present utility model;
FIG. 3 is a schematic view of the bottom of the structure of the present utility model;
fig. 4 is a schematic view of a structural coolant circulation tube of the present utility model.
In the figure: 1. a battery pack heat dissipation and thermal runaway protection integrated device body; 11. a battery pack mounting case; 2. a thermal runaway control mechanism; 21. a temperature control switch assembly; 22. a temperature sensing device; 23. a telescopic rod; 24. a closing cap; 3. a heat dissipation mechanism; 31. a heat dissipation air duct; 32. an exhaust fan; 33. an air cooler; 34. a ventilation board; 35. a cooling liquid circulation pipe; 36. a pump; 37. a cooling tube; 38. and a heat dissipation plate.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a battery pack heat dissipation and thermal runaway protection integrated device, which comprises a battery pack heat dissipation and thermal runaway protection integrated device main body 1, wherein the battery pack heat dissipation and thermal runaway protection integrated device main body 1 comprises a battery pack installation shell 11, a ventilation net is fixedly arranged on the bottom side wall of the battery pack installation shell 11, a heat dissipation mechanism 3 is arranged in the battery pack installation shell 11, and a thermal runaway control mechanism 2 is arranged on the side wall of the battery pack installation shell 11; the thermal runaway control mechanism 2 comprises a temperature control switch unit and a control spring cover unit, wherein the temperature control switch unit is arranged on the side wall of the battery pack installation shell 11, and the control spring cover unit is arranged on the top of the battery pack installation shell 11; the heat dissipation mechanism 3 comprises an air cooling unit and a liquid cooling unit, the air cooling unit is arranged at the upper end and the lower end of the battery pack installation shell 11, the liquid cooling unit is arranged in the middle of the battery pack installation shell 11, the temperature control switch unit comprises a temperature control switch assembly 21 fixedly arranged on the side wall of the battery pack installation shell 11, one end of the temperature control switch assembly 21 is fixedly provided with a temperature sensing device 22, the control spring cover unit comprises a sealing cover 24 which is connected with the upper side of the battery pack installation shell 11 in a clamping mode, the lower end of the sealing cover 24 is fixedly provided with a telescopic rod 23, the control end of the telescopic rod 23 is electrically connected with the output end of the temperature control switch assembly 21, the temperature sensing device 22 plays a role in monitoring the temperature inside the battery pack installation shell 11, the temperature control switch assembly 21 is controlled according to the numerical value of the temperature sensing device 22, and when the temperature control switch assembly 21 is up to a thermal runaway temperature value, the sealing cover 24 is controlled to spring up, so that a large amount of heat and expanded air inside the battery pack installation shell 11 are discharged, and the battery pack inside the battery pack installation shell 11 is prevented from being burnt or even exploded.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the air cooling unit comprises a heat dissipation air duct 31 fixedly installed at the top of the sealing cover 24, an exhaust fan 32 is fixedly installed in the heat dissipation air duct 31, the air cooling unit further comprises an air cooler 33 fixedly installed on the inner surface of the bottom of the battery pack installation shell 11, a ventilating plate 34 is arranged above the air cooler 33, the surface of the ventilating plate 34 is fixedly connected with the inner surface of the battery pack installation shell 11, the ventilating plate 34 separates the battery pack installation cavity from the battery pack installation shell 11, the air cooler 33 works to suck outside air to perform air cooling and heat dissipation through the battery pack through the ventilating plate 34, the heat dissipation plates 38 separate the battery cells, and the heat dissipation fins on the surface of the air cooler accelerate heat dissipation between the battery cells.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the liquid cooling unit includes the cooling liquid circulation pipe 35 that sets up in ventilation board 34 below, the middle part fixed mounting of cooling liquid circulation pipe 35 has pump 36, the upper end of cooling liquid circulation pipe 35 runs through ventilation board 34 fixed mounting and has cooling tube 37, the liquid cooling unit still includes the heating panel 38 of joint at battery pack installation casing 11 internal surface, the both sides surface evenly distributed of heating panel 38 has the radiating fin, the inside of heating panel 38 is provided with the cavity standing groove with cooling tube 37 adaptation, the exhaust fan 32 work is with the inside hot air of battery pack installation casing 11 through cooling air duct 31 discharge, the air cooling fan 33 forms the air current from bottom to top and takes away the heat, cooling liquid circulation pipe 35 makes the coolant circulation flow carry out the liquid cooling through pump 36, between every battery monomer of cooling liquid, the effect of cooling down cooling is carried out between the battery monomer to the cooperation heating panel 38.
The working principle of the integrated device for heat dissipation and thermal runaway protection of the battery pack is specifically described below.
As shown in fig. 1 to 4, firstly, the temperature sensing device 22 monitors the internal temperature of the battery pack mounting housing 11, the ventilation plate 34 separates the battery pack mounting housing 11 from the battery pack mounting cavity, the air cooler 33 works to suck the external air, the battery pack is cooled by the ventilation plate 34 to discharge the hot air in the battery pack mounting housing 11 through the cooling air duct 31, the hot air is matched with the air cooler 33 to form a bottom-up air flow to take away heat, then the cooling liquid circulation pipe 35 circulates the cooling liquid through the pump 36 to cool the cooling liquid, the cooling pipe 37 enables the cooling liquid to be matched with the cooling plate 38 between each battery cell to cool the battery cells, and finally, when the thermal runaway temperature value is reached, the temperature control switch assembly 21 controls the telescopic rod 23 to lift the closing cover 24 to eject a large amount of heat and the expanded air in the battery pack mounting housing 11.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The utility model provides a group battery heat dissipation and thermal runaway protection integrated device, includes group battery heat dissipation and thermal runaway protection integrated device main part (1), group battery heat dissipation and thermal runaway protection integrated device main part (1) are including group battery installation casing (11), the bottom lateral wall fixed mounting of group battery installation casing (11) has ventilation net, its characterized in that: a heat dissipation mechanism (3) is arranged in the battery pack installation shell (11), and a thermal runaway control mechanism (2) is arranged on the side wall of the battery pack installation shell (11);
the thermal runaway control mechanism (2) comprises a temperature control switch unit and a control spring cover unit, wherein the temperature control switch unit is arranged on the side wall of the battery pack installation shell (11), and the control spring cover unit is arranged at the top of the battery pack installation shell (11);
the heat dissipation mechanism (3) comprises an air cooling unit and a liquid cooling unit, wherein the air cooling unit is arranged at the upper end and the lower end of the battery pack installation shell (11), and the liquid cooling unit is arranged in the middle of the battery pack installation shell (11).
2. The integrated device for heat dissipation and thermal runaway protection of a battery pack of claim 1, wherein: the temperature control switch unit comprises a temperature control switch body (21) fixedly arranged on the side wall of the battery pack installation shell (11), and a temperature sensing device (22) is fixedly arranged at one end of the temperature control switch body (21).
3. The integrated device for heat dissipation and thermal runaway protection of a battery pack of claim 1, wherein: the control spring cover unit comprises a sealing cover (24) which is mounted above the battery pack mounting shell (11) in a clamping manner, a telescopic rod (23) is fixedly mounted at the lower end of the sealing cover (24), and the control end of the telescopic rod (23) is electrically connected with the output end of the temperature control switch assembly (21).
4. The integrated device for heat dissipation and thermal runaway protection of a battery pack of claim 1, wherein: the air cooling unit comprises a heat dissipation air duct (31) fixedly arranged at the top of the sealing cover (24), and an exhaust fan (32) is fixedly arranged in the heat dissipation air duct (31).
5. The integrated device for heat dissipation and thermal runaway protection of a battery pack of claim 4, wherein: the air cooling unit further comprises an air cooler (33) fixedly mounted on the inner surface of the bottom of the battery pack mounting shell (11), a ventilation plate (34) is arranged above the air cooler (33), and the surface of the ventilation plate (34) is fixedly connected with the inner surface of the battery pack mounting shell (11).
6. The integrated device for heat dissipation and thermal runaway protection of a battery pack of claim 1, wherein: the liquid cooling unit comprises a cooling liquid circulating pipe (35) arranged below the ventilating plate (34), a pump (36) is fixedly arranged in the middle of the cooling liquid circulating pipe (35), and a cooling pipe (37) is fixedly arranged at the upper end of the cooling liquid circulating pipe (35) in a penetrating mode through the ventilating plate (34).
7. The integrated device for heat dissipation and thermal runaway protection of a battery pack of claim 6, wherein: the liquid cooling unit further comprises a heat radiation plate (38) which is clamped on the inner surface of the battery pack mounting shell (11), heat radiation fins are uniformly distributed on the surfaces of two sides of the heat radiation plate (38), and a hollow placing groove matched with the cooling pipe (37) is formed in the heat radiation plate (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223575114.8U CN219106424U (en) | 2022-12-30 | 2022-12-30 | Battery pack heat dissipation and thermal runaway protection integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223575114.8U CN219106424U (en) | 2022-12-30 | 2022-12-30 | Battery pack heat dissipation and thermal runaway protection integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219106424U true CN219106424U (en) | 2023-05-30 |
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ID=86455602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223575114.8U Active CN219106424U (en) | 2022-12-30 | 2022-12-30 | Battery pack heat dissipation and thermal runaway protection integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219106424U (en) |
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2022
- 2022-12-30 CN CN202223575114.8U patent/CN219106424U/en active Active
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