CN112382822B - Battery pack for new energy automobile based on separate isolation and anti-explosion - Google Patents
Battery pack for new energy automobile based on separate isolation and anti-explosion Download PDFInfo
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- CN112382822B CN112382822B CN202011329939.4A CN202011329939A CN112382822B CN 112382822 B CN112382822 B CN 112382822B CN 202011329939 A CN202011329939 A CN 202011329939A CN 112382822 B CN112382822 B CN 112382822B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric 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
- H01M10/61—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
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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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- General Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Energy (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of new energy batteries and discloses a battery assembly for a new energy automobile based on independent isolation and deflagration prevention. Impact force when can be to the battery explosion through explosion-proof assembly cushions, and then the harm that produces after the explosion has been reduced, and this explosion-proof assembly adopts the double buffering mode to carry out explosion-proof moreover, make explosion-proof effect better, this battery adopts the mode of isolation alone to install, can play good radiating effect naturally, and can dispel the heat fast to the battery through radiator unit, prevent that the battery heat from too high detonation phenomenon that appears, ensured the normal use of battery, the emergence of dangerous accident has been reduced.
Description
Technical Field
The invention relates to the technical field of new energy batteries, in particular to a battery assembly based on independent isolation and explosion prevention for a new energy automobile.
Background
The new energy automobile is slightly different with different types. In a purely new energy automobile equipped with only a battery, the battery functions as the sole power source of the automobile drive system. In a hybrid vehicle equipped with a conventional engine (or fuel cell) and a battery, the battery can play the role of both the main power source and the auxiliary power source of the vehicle drive system. Therefore, at low speed and starting, the storage battery plays the role of a main power source of an automobile driving system; during full-load acceleration, the device plays the role of an auxiliary power source; the energy storage function is realized during normal driving or deceleration and braking.
However, in the use process of the existing battery assembly, because a plurality of groups of batteries are connected in series mostly, the disadvantage is that the batteries are difficult to dissipate heat quickly, on the other hand, when the batteries explode, the impact force is difficult to buffer, and the distance between two groups of layered plates for installing the batteries is difficult to adjust, so that the actual installation requirements of the batteries with different lengths cannot be met. Therefore, those skilled in the art have provided a battery assembly for a new energy automobile based on separate isolation and explosion prevention to solve the problems suggested in the background art described above.
Disclosure of Invention
The invention aims to provide a battery assembly for a new energy automobile based on independent isolation and deflagration prevention, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a battery component for a new energy automobile based on independent isolation and deflagration prevention comprises a first division plate and a second division plate arranged below the first division plate, wherein four placing grooves are formed in the first division plate and the second division plate in a penetrating manner, four corners of the lower surface of the first division plate are fixedly connected with first limiting tubes, four corners of the upper surface of the second division plate are fixedly connected with second limiting tubes, a telescopic rod is connected between the first limiting tubes and the second limiting tubes, the centers of the first division plate and the second division plate are also connected with an adjusting component, the adjusting component comprises a handle, a first barrel, a threaded rod and a second barrel, the first barrel and the second barrel are sequentially sleeved with the outer portion of the threaded rod from top to bottom in a threaded manner, the top end of the threaded rod is fixedly connected with the handle, a groove communicated with the placing grooves is further formed in the first division plate, the anti-explosion component is arranged inside the groove and comprises a limiting plate, a support rod, a first limiting plate, an elastic ball, a second limiting plate, a support, an adjusting plate and a spring, the first limiting plate is attached to one side of the elastic ball, the second limiting plate is attached to the other side of the elastic ball, the support rod is fixedly connected to the first limiting plate, the limiting plate is fixedly connected to one end of the support rod, the support is fixedly connected to the second limiting plate, a roller is fixedly connected to one end of the support, the adjusting plate is attached to the roller, the spring is further connected between the adjusting plate and the groove, the heat dissipation component is arranged inside the first layered plate and close to the front side and the rear side of the placement groove, the heat dissipation component comprises a baffle, a first cooling fin, a heat conduction plate, a heat conduction column and a second cooling fin, the baffle is fixedly connected to one end of the heat conduction column, and the second cooling fin is fixedly connected to the other end of the heat conduction column, the upper surface rigid coupling of heat conduction post has the heat-conducting plate, the top rigid coupling of heat-conducting plate has first fin.
As a still further scheme of the invention: the first limiting plate and the second limiting plate are located inside the groove and are in sliding connection with the groove, and one end of the adjusting plate is movably connected inside the groove.
As a still further scheme of the invention: the limiting plate is of a semicircular structure and is a component made of alloy steel, and the limiting plate, the abutting rod, the first limiting plate, the elastic ball, the second limiting plate, the support, the adjusting plate and the spring are symmetrically distributed by taking the central point of the placing groove as a reference.
As a still further scheme of the invention: the first radiating fins are embedded in the upper surface of the first layered plate and fixed with the first layered plate, and the second radiating fins are fixedly connected to the front surface and the rear surface of the first layered plate.
As a still further scheme of the invention: the heat-conducting plate and the heat-conducting columns are embedded in the first layered plate, and the baffle is located in the placing groove.
As a still further scheme of the invention: the first cylinder is embedded in and mounted at the center point of the first layered plate and fixed with the first layered plate, and the second cylinder is embedded in and mounted at the center point of the second layered plate and fixed with the second layered plate.
As a still further scheme of the invention: the inner wall of the first barrel is provided with a first thread groove matched with the threaded rod, the inner wall of the second barrel is provided with a second thread groove matched with the threaded rod, and the directions of the first thread groove and the second thread groove are opposite.
As a still further scheme of the invention: the inside of first spacing pipe still sliding connection have the first slider of rigid coupling in telescopic link top department, the inside of the spacing pipe of second still sliding connection have the second slider of rigid coupling in telescopic link bottom department.
Compared with the prior art, the invention has the beneficial effects that:
1. the distance between the first layered plate and the second layered plate can be adjusted through the adjusting assembly, so that the first layered plate and the second layered plate can be adjusted and used according to the length of an actual battery, and the application range is improved;
2. the explosion-proof assembly can buffer the impact force generated when the battery explodes, so that the damage generated after explosion is reduced, and the explosion-proof assembly adopts a double-buffering mode for explosion prevention, so that the explosion-proof effect is better;
3. this battery adopts the mode of isolation alone to install, can play good radiating effect naturally to can dispel the heat fast to the battery through radiator unit, prevent that the detonation phenomenon from appearing in the too high battery heat, ensure the normal use of battery, reduce the emergence of dangerous accident.
Drawings
Fig. 1 is a schematic structural diagram of a battery assembly for a new energy automobile based on separate isolation and deflagration prevention;
fig. 2 is a schematic structural diagram of the inside of a placement groove in a battery assembly for a new energy automobile based on separate isolation and deflagration prevention;
fig. 3 is a schematic structural diagram of an explosion-proof assembly in a battery assembly for a new energy automobile based on individual isolation and explosion prevention;
fig. 4 is a schematic structural diagram of a heat dissipation assembly in a battery assembly for a new energy automobile based on individual isolation and deflagration prevention;
fig. 5 is a schematic structural diagram of a regulating assembly in a battery assembly for a new energy automobile based on separate isolation and deflagration prevention.
In the figure: 1. a first heat sink; 2. a placement groove; 3. a first laminate sheet; 4. an adjustment assembly; 5. a first limit tube; 6. a second limiting pipe; 7. a second laminate sheet; 8. a second heat sink; 9. a telescopic rod; 10. a heat dissipating component; 11. a groove; 12. a limiting plate; 13. a leaning rod; 14. a first limit plate; 15. an elastic ball; 16. a second limiting plate; 17. a support; 18. an adjusting plate; 19. a spring; 20. an explosion-proof assembly; 21. a baffle plate; 22. a heat conducting plate; 23. a heat-conducting column; 24. a handle; 25. a first cylinder; 26. a threaded rod; 27. a second cylinder.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, a new energy automobile battery assembly based on separate isolation and deflagration prevention comprises a first layered plate 3 and a second layered plate 7 installed below the first layered plate 3, wherein four placing grooves 2 penetrate through the first layered plate 3 and the second layered plate 7, first limiting pipes 5 are fixedly connected to four corners of the lower surface of the first layered plate 3, second limiting pipes 6 are fixedly connected to four corners of the upper surface of the second layered plate 7, a telescopic rod 9 is connected between the first limiting pipe 5 and the second limiting pipes 6, a first slider fixedly connected to the top end of the telescopic rod 9 is further slidably connected to the inside of the first limiting pipe 5, a second slider fixedly connected to the bottom end of the telescopic rod 9 is further slidably connected to the inside of the second limiting pipe 6, and an adjusting assembly 4 is further connected to the centers of the first layered plate 3 and the second layered plate 7, the adjusting component 4 comprises a handle 24, a first barrel 25, a threaded rod 26 and a second barrel 27, the first barrel 25 and the second barrel 27 are sequentially sleeved outside the threaded rod 26 from top to bottom in a threaded manner, the handle 24 is fixedly connected to the top end of the threaded rod 26, a groove 11 communicated with the placing groove 2 is further formed in the first layered plate 3, the first barrel 25 is embedded in the central point of the first layered plate 3 and fixed with the first layered plate 3, the second barrel 27 is embedded in the central point of the second layered plate 7 and fixed with the second layered plate 7, a first thread groove matched with the threaded rod 26 is formed in the inner wall of the first barrel 25, a second thread groove matched with the threaded rod 26 is formed in the inner wall of the second barrel 27, the directions of the first thread groove and the second thread groove are opposite, the distance between the first layered plate 3 and the second layered plate 7 can be adjusted through the adjusting component 4, the battery can be adjusted and used according to the length of the actual battery, and the application range is improved.
In fig. 3: an explosion-proof assembly 20 is arranged in the groove 11, the explosion-proof assembly 20 comprises a limit plate 12, a leaning rod 13, a first limit plate 14, an elastic ball 15, a second limit plate 16, a bracket 17, an adjusting plate 18 and a spring 19, the first limit plate 14 is attached to one side of the elastic ball 15, the second limit plate 16 is attached to the other side of the elastic ball 15, the leaning rod 13 is fixedly connected to the first limit plate 14, the limit plate 12 is fixedly connected to one end of the leaning rod 13, the bracket 17 is fixedly connected to the second limit plate 16, a roller is fixedly connected to one end of the bracket 17, the adjusting plate 18 is attached to the roller, the spring 19 is further connected between the adjusting plate 18 and the groove 11, the first limit plate 14 and the second limit plate 16 are both positioned in the groove 11 and are in sliding connection with the groove 11, one end of the adjusting plate 18 is movably connected in the groove 11, the limit plate 12 is in a semicircular structure, and the limit plate 12 is a member made of alloy steel, limiting plate 12, support and lean on pole 13, first limiting plate 14, elastic ball 15, second limiting plate 16, support 17, regulating plate 18 and spring 19 all to use the central point of standing groove 2 to be the symmetric distribution as the benchmark, and the impact force when can exploding the battery through explosion-proof assembly 20 cushions, and then has reduced the harm that produces after the explosion, and this explosion-proof assembly 20 adopts the double buffering mode to blast proof moreover for explosion-proof effect is better.
In fig. 1 and 4: the inside of the first layered plate 3 is provided with a heat dissipation component 10 near the front side and the rear side of the placing groove 2, the heat dissipation component 10 comprises a baffle plate 21, a first heat dissipation sheet 1, a heat conduction plate 22, a heat conduction column 23 and a second heat dissipation sheet 8, one end of the heat conduction column 23 is fixedly connected with the baffle plate 21, the other end of the heat conduction column 23 is fixedly connected with the second heat dissipation sheet 8, the upper surface of the heat conduction column 23 is fixedly connected with the heat conduction plate 22, the top end of the heat conduction plate 22 is fixedly connected with the first heat dissipation sheet 1, the first heat dissipation sheet 1 is embedded in the upper surface of the first layered plate 3 and fixed with the first layered plate 3, the second heat dissipation sheet 8 is fixedly connected on the front surface and the rear surface of the first layered plate 3, the heat conduction plate 22 and the heat conduction column 23 are embedded in the first layered plate 3, the baffle plate 21 is positioned in the placing groove 2, the heat dissipation component 10 can quickly dissipate heat of the battery, and prevent the explosion phenomenon caused by overhigh heat of the battery, the normal use of the battery is ensured, and the occurrence of dangerous accidents is reduced.
The working principle of the invention is as follows: the user firstly moves the two groups of limit plates 12 oppositely, then places the battery between the two groups of limit plates 12, at the moment, the battery is loosened, the two groups of limit plates 12 can be driven to move relatively under the action of the spring 19 and the elastic ball 15, thereby clamping the battery, at the same time, the two groups of baffle plates 21 are also attached to the front surface and the rear surface of the battery, when the battery explodes, corresponding impact force is generated to two sides at the moment, further driving the leaning rod 13, the first limit plate 14 and the second limit plate 16 to move rightwards, at the moment, the elastic ball 15 can be pressed, at the same time, the bracket 17 can be driven to move rightwards, at the moment, the roller at one end of the bracket 17 rolls on the adjusting plate 18, further pressing the spring 19 and deforming the spring, thereby the double buffering effect is achieved, so the space between the first sublayer plate 3 and the second sublayer plate 7 can be adjusted through the adjusting component 4, the battery can be adjusted and used according to the length of the actual battery, the application range is improved, meanwhile, when the battery generates heat in the using process, as the battery is installed in a separate isolation mode, a good heat dissipation effect can be naturally achieved, the baffle plate 21 can transmit the heat on the battery to the second heat dissipation plate 8, the heat conduction plate 22 and the first heat dissipation plate 1 through the heat conduction column 23, the heat is dissipated through the first heat dissipation plate 1 and the second heat dissipation plate 8, the battery can be quickly dissipated through the heat dissipation assembly 10, the deflagration phenomenon caused by overhigh heat of the battery is prevented, the normal use of the battery is ensured, the occurrence of dangerous accidents is reduced, finally, a user holds the handle 24 to rotate forwardly, the threaded rod 26 can be driven to rotate forwardly at the moment, and as the first threaded groove matched with the threaded rod 26 is formed on the inner wall of the first cylinder 25, offer the second thread groove with threaded rod 26 looks adaptation on the inner wall of second barrel 27, the opposite direction of first thread groove and second thread groove, so can adjust the interval between first subdivision board 3 and the second subdivision board 7 through adjusting part 4, make it adjust and use according to the length of actual battery, application scope has obtained the promotion, and through the slip of telescopic link 9 in first spacing pipe 5 and second spacing pipe 6, can increase the stability of first subdivision board 3 and second subdivision board 7 operation in-process, prevent that the deviation from appearing in the two position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. A battery pack for a new energy automobile based on separate isolation and deflagration prevention comprises a first layered plate (3) and a second layered plate (7) installed below the first layered plate (3), wherein four placing grooves (2) are formed in the first layered plate (3) and the second layered plate (7) in a penetrating mode, and is characterized in that a first limiting pipe (5) is fixedly connected to four corners of the lower surface of the first layered plate (3), a second limiting pipe (6) is fixedly connected to four corners of the upper surface of the second layered plate (7), a telescopic rod (9) is connected between the first limiting pipe (5) and the second limiting pipe (6), an adjusting assembly (4) is further connected to the centers of the first layered plate (3) and the second layered plate (7), the adjusting assembly (4) comprises a handle (24), a first barrel body (25), a threaded rod (26) and a second barrel body (27), the anti-explosion device is characterized in that a first barrel (25) and a second barrel (27) are sequentially sleeved outside the threaded rod (26) from top to bottom in a threaded manner, a handle (24) is fixedly connected to the top end of the threaded rod (26), a groove (11) communicated with the placement groove (2) is further formed in the first layered plate (3), an anti-explosion assembly (20) is mounted inside the groove (11), the anti-explosion assembly (20) comprises a limiting plate (12), a leaning rod (13), a first limiting plate (14), an elastic ball (15), a second limiting plate (16), a support (17), an adjusting plate (18) and a spring (19), the first limiting plate (14) is fitted to one side of the elastic ball (15), the second limiting plate (16) is fitted to the other side of the elastic ball (15), the leaning rod (13) is fixedly connected to the first limiting plate (14), and a limiting plate (12) is fixedly connected to one end of the leaning rod (13), a bracket (17) is fixedly connected to the second limit plate (16), a roller is fixedly installed at one end of the bracket (17), an adjusting plate (18) is attached to the roller, a spring (19) is connected between the adjusting plate (18) and the groove (11), one end of the adjusting plate is fixed on the groove 11, heat dissipation assemblies (10) are respectively arranged at the positions, close to the front side and the rear side of the placing groove (2), in the first layering plate (3), the radiating component (10) comprises a baffle (21), a first radiating fin (1), a heat conducting plate (22), a heat conducting column (23) and a second radiating fin (8), wherein one end of the heat conducting column (23) is fixedly connected with the baffle (21), and the other end of the heat conduction column (23) is fixedly connected with a second radiating fin (8), the upper surface of the heat conduction column (23) is fixedly connected with a heat conduction plate (22), and the top end of the heat conduction plate (22) is fixedly connected with a first radiating fin (1).
2. The battery pack for the new energy automobile based on separate isolation and deflagration prevention as claimed in claim 1, wherein the first limiting plate (14) and the second limiting plate (16) are both located inside the groove (11) and are slidably connected with the groove (11), and one end of the adjusting plate (18) is movably connected inside the groove (11).
3. The battery pack for the new energy automobile based on separate isolation and deflagration prevention according to claim 1, characterized in that limiting plate (12) is semicircular structure, and limiting plate (12) is the component of alloy steel material, limiting plate (12), support pole (13), first limiting plate (14), elastic ball (15), second limiting plate (16), support (17), regulating plate (18) and spring (19) all use the central point of standing groove (2) as the benchmark and be the symmetric distribution.
4. The battery pack for the new energy automobile based on the separate isolation and the deflagration prevention according to claim 1, wherein the first heat sink (1) is embedded in and fixed with the first layered plate (3) and the second heat sink (8) is fixedly connected to the front and rear surfaces of the first layered plate (3).
5. The battery pack for the new energy automobile based on the separate isolation and the deflagration prevention according to claim 1, characterized in that the heat conducting plate (22) and the heat conducting column (23) are embedded and installed inside the first layered plate (3), and the baffle plate (21) is located inside the placing groove (2).
6. The battery pack for the new energy automobile based on the separate isolation and the deflagration prevention according to claim 1, wherein the first cylinder (25) is insert-mounted at a center point of the first laminate plate (3) and fixed with the first laminate plate (3), and the second cylinder (27) is insert-mounted at a center point of the second laminate plate (7) and fixed with the second laminate plate (7).
7. The battery pack for the new energy automobile based on separate isolation and deflagration prevention as claimed in claim 1, wherein a first thread groove adapted to the threaded rod (26) is formed on the inner wall of the first cylinder (25), a second thread groove adapted to the threaded rod (26) is formed on the inner wall of the second cylinder (27), and the directions of the first thread groove and the second thread groove are opposite.
8. The battery assembly for the new energy automobile based on separate isolation and deflagration prevention as claimed in claim 1, wherein the first limiting tube (5) is further slidably connected inside with a first slider fixedly connected at the top end of the telescopic rod (9), and the second limiting tube (6) is further slidably connected inside with a second slider fixedly connected at the bottom end of the telescopic rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329939.4A CN112382822B (en) | 2020-11-24 | 2020-11-24 | Battery pack for new energy automobile based on separate isolation and anti-explosion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329939.4A CN112382822B (en) | 2020-11-24 | 2020-11-24 | Battery pack for new energy automobile based on separate isolation and anti-explosion |
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| CN112382822A CN112382822A (en) | 2021-02-19 |
| CN112382822B true CN112382822B (en) | 2022-09-23 |
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| CN113611976B (en) * | 2021-07-22 | 2023-02-24 | 深圳市沃尔德电子有限公司 | Lithium battery protection device for scooter for old people |
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