CN112103439A - Metal power battery pack shell device and using method thereof - Google Patents
Metal power battery pack shell device and using method thereof Download PDFInfo
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- CN112103439A CN112103439A CN202011024374.9A CN202011024374A CN112103439A CN 112103439 A CN112103439 A CN 112103439A CN 202011024374 A CN202011024374 A CN 202011024374A CN 112103439 A CN112103439 A CN 112103439A
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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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- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a metal power battery pack shell device and a using method thereof, belonging to the technical field of metal power batteries. According to the invention, two sides of a side shell B are fixedly connected with a second T-shaped clamping strip which is aligned with inlet positions of T-shaped clamping grooves on inner walls of two sides of a side shell A, the second T-shaped clamping strips are embedded into the T-shaped clamping grooves on the inner walls of the two sides of the side shell A to form buckle connection, the first T-shaped clamping strip is embedded into the T-shaped clamping grooves on the inner walls of the upper end and the lower end of the side shell A to form buckle connection, the integral six-surface assembly of a cover shell and the side shell A is completed, a heat dissipation fan is connected with an internal power supply to work, then the heat dissipation fan blows air to form air flow, the air flow is discharged through a support fence, enters the shell through a vent hole on the cover shell at the bottom of the battery pack shell, and dissipates heat accumulated after.
Description
Technical Field
The invention relates to the technical field of metal power batteries, in particular to a metal power battery pack shell device and a using method thereof.
Background
The battery pack is divided into a series battery pack and a parallel battery pack, the voltage of each battery is required to be the same by the parallel battery pack, the output voltage is equal to the voltage of one battery, and the parallel battery pack can provide stronger current.
At present, the metal power battery pack has certain defects in the shell technology: 1. the shell is inconvenient to disassemble and assemble, so that the internal components of the shell are inconvenient to maintain; 2. the case is closed, so that heat accumulation is not dispersed after the battery pack runs for a long time, and the heat dissipation performance is poor.
Disclosure of Invention
The invention provides a metal power battery pack shell device and a using method thereof.A second T-shaped clamping strip fixedly connected to two sides of a side shell B is aligned with the inlet positions of T-shaped clamping grooves on the inner walls of two sides of a side shell A, the second T-shaped clamping strip is embedded into the T-shaped clamping grooves on the inner walls of two sides of the side shell A to form a buckle connection, a first T-shaped clamping strip is embedded into the T-shaped clamping grooves on the inner walls of the upper end and the lower end of the side shell A to form a buckle connection, so that the integral six-surface assembly of a cover shell and the side shell A is completed, a heat dissipation fan is switched on to work by an internal power supply, then the heat dissipation fan blows to form an air flow, the air flow is discharged through a support fence, enters the interior of the shell through an air vent on the cover shell at the bottom of the battery pack shell, the.
The specific technical scheme provided by the invention is as follows:
the invention provides a metal power battery pack shell device and a using method thereof, wherein the metal power battery pack shell device comprises a heat dissipation base and a battery pack shell, the battery pack shell is detachably connected to the upper end of the heat dissipation base, a cavity structure is arranged in the heat dissipation base, a heat dissipation fan is fixedly arranged in the heat dissipation base, the battery pack shell comprises a side shell A and a cover shell, T-shaped clamping grooves are formed in the inner walls of the upper end and the lower end of the side shell A, a first T-shaped clamping strip is fixedly connected to the two sides of the cover shell, the first T-shaped clamping strip is connected to the inner walls of the T-shaped clamping grooves in the upper end and the lower end of the side shell A in a buckling mode, the inner walls of the two sides of the side shell A are also provided with the T-shaped clamping grooves, a second T-shaped clamping strip is fixedly connected to the two sides of the.
Optionally, the cover shell is provided with a vent hole, and the outer surface of the cover shell is bonded with a waterproof breathable film.
Optionally, the outer wall of the edge of the battery pack shell is fixedly connected with an upper insert block, the outer wall of the edge of the heat dissipation base is fixedly connected with a lower insert block, the upper insert block and the lower insert block are both provided with jacks, fastening bolts penetrate through the inner parts of the upper insert block and the lower insert block, and the tail ends of the fastening bolts are in threaded connection with fastening nuts.
Optionally, the bottom of the heat dissipation base is fixedly connected with support legs.
Optionally, the upper end of the heat dissipation base is fixedly connected with a support fence.
Optionally, the use method of the metal power battery pack shell comprises the following steps:
s1, assembling the shell: the user aligns side shell A both sides inner wall T type draw-in groove import position with No. two T type gibs of side shell B both sides fixedly connected with at first, inlay the inside buckle that forms of side shell A both sides inner wall T type draw-in groove with No. two T type gibs again and connect, after accomplishing the equipment of edge four sides, align side shell A upper and lower both ends inner wall T type draw-in groove import position with a T type gib of cover shell both sides fixedly connected with again, inlay the inside buckle that forms of side shell A upper and lower both ends inner wall T type draw-in groove with a T type gib again and connect, accomplish the six equipment of whole of cover shell and side shell A.
S2, heat dissipation assembly: the assembled battery pack shell is integrally placed on a support fence at the upper end of the heat dissipation base, an upper insert block on the side edge of the battery pack shell is butted with a lower insert block jack on the side edge of the heat dissipation base, a fastening bolt is inserted into the jacks after the butt joint is completed, and the bottom of the fastening bolt is screwed by using a fastening nut to fasten threads.
S3, operation and heat dissipation: the method comprises the following steps that a radiating fan switch is turned on, a radiating fan is connected with an internal power supply to work, then the radiating fan blows air to form air flow, the air flow is discharged through a supporting fence, enters the interior of a shell through a vent hole in a cover shell at the bottom of a battery pack shell, the heat accumulated after the battery pack assembly works is radiated, hot air is finally discharged to the outside through the vent hole in the cover shell at the top end of the battery pack shell, a waterproof breathable film is pasted on the cover shell, and the film body adopts a Lede waterproof breathable film and is produced by a Lede electronics science and technology company Limited in Huizhou; is prepared by expanding and stretching polytetrafluoroethylene. The stretched polytetrafluoroethylene membrane forms a net-shaped structure in three dimensions, and each square inch of the membrane surface has more than 90 hundred million micropores. The superior stretching technique enables the pore diameter to be maintained between 0.1 and 1.0 micron. The water-resistant breathable film is far more than 10000 times smaller than water drops, so that the waterproof breathable film has excellent water-resistant performance, and the smallest water drops can not pass through the film. Meanwhile, the diameter of the micropores is more than 700 times larger than that of water vapor molecules. Therefore, the membrane has the performances of super water resistance, oil, dust, bacteria prevention and the like, and can allow gas molecules to easily pass through micropores on the membrane, thereby realizing the function of ventilation and achieving air pressure balance. Can carry out waterproofly when guaranteeing to ventilate, avoid outside water liquid to enter into inside the casing through the ventilation hole, damage inside group battery component.
The invention has the following beneficial effects:
1. the side shell assembly fixture is practical, convenient to operate and good in using effect, a user firstly aligns two T-shaped clamping strips fixedly connected to two sides of a side shell B to inlet positions of T-shaped clamping grooves in inner walls of two sides of a side shell A, then embeds the two T-shaped clamping strips into the T-shaped clamping grooves in the inner walls of the two sides of the side shell A to form buckle connection, after edge four-surface assembly is completed, aligns the T-shaped clamping strips fixedly connected to two sides of a cover shell to inlet positions of T-shaped clamping grooves in inner walls of upper and lower ends of the side shell A, embeds the T-shaped clamping strips into the T-shaped clamping grooves in the inner walls of the upper and lower ends of the side shell A to form buckle connection, and completes integral six-surface assembly of the cover shell and the side shell A.
2. According to the invention, the switch of the cooling fan is turned on, the cooling fan is connected with an internal power supply to work, then the cooling fan blows air to form air flow, the air flow is discharged through the support fence, enters the shell through the vent holes in the cover shell at the bottom of the battery pack shell, dissipates heat of heat accumulated after the battery pack assembly works, and finally discharges the hot air to the outside through the vent holes in the cover shell at the top end of the battery pack shell.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of an overall assembly structure of a metal power battery pack case device and a method for using the same according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a battery pack case assembly of a metal power battery pack case apparatus and a method of using the same according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cover case of a metal power battery pack case device and a method for using the same according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a heat dissipation base of a metal power battery pack case device and a method for using the same according to an embodiment of the present invention;
fig. 5 is a schematic view of a connection structure between a side case a and a cover case of a metal power battery pack case device and a method for using the same according to an embodiment of the present invention;
fig. 6 is a schematic view of a connection structure of a side case a and a side case B of a metal power battery pack case device and a method for using the same according to an embodiment of the present invention;
in the figure: 1. a heat dissipation base; 2. a battery pack case; 201. a side shell A; 202. a cover shell; 203. a first T-shaped card strip; 204. a side shell B; 205. a second T-shaped clamping strip; 3. a heat radiation fan; 4. supporting the fence; 5. an upper insert block; 6. a lower insert block; 7. fastening a bolt; 8. fastening a nut; 9. a support leg; 10. a waterproof breathable film; 11. a vent hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A metal power battery pack case assembly and a method of using the same according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 6.
As shown in fig. 1-6, a metal power battery pack case device and a method for using the same, comprising a heat dissipation base 1 and a battery pack case 2, the battery pack shell 2 is detachably connected with the upper end of the heat dissipation base 1, the internal cavity structure of the heat dissipation base 1, and a heat radiation fan is fixedly installed inside the heat radiation base 1, the battery pack case 2 includes a side case a201 and a cover case 202, the inner walls of the upper end and the lower end of the side shell A201 are provided with T-shaped clamping grooves, the two sides of the cover shell 202 are fixedly connected with a first T-shaped clamping strip 203, the first T-shaped clamping strip 203 is connected in T-shaped clamping grooves on the inner walls of the upper end and the lower end of the side shell A201 in a buckling manner, the inner walls of the two sides of the side shell A201 are also provided with T-shaped clamping grooves, the two sides of the side shell B204 are fixedly connected with a second T-shaped clamping strip 205, no. two T type card strip 205 buckle is connected inside the T type draw-in groove of side shell A201 both sides inner wall.
In this embodiment, as shown in fig. 1 to 6, a user first aligns two T-shaped clip strips 205 fixedly connected to two sides of a side shell B204 with inlet positions of T-shaped clip grooves on inner walls of two sides of a side shell a201, then inserts the two T-shaped clip strips 205 into the T-shaped clip grooves on the inner walls of two sides of the side shell a201 to form a snap connection, and after completing edge four-surface assembly, aligns two T-shaped clip strips 203 fixedly connected to two sides of a cover shell 202 with inlet positions of T-shaped clip grooves on inner walls of upper and lower ends of the side shell a201, and then inserts the one T-shaped clip strip 203 into the T-shaped clip grooves on inner walls of upper and lower ends of the side shell a201 to form a snap connection, thereby completing integral six-surface assembly of the; the switch of the cooling fan 3 is turned on, the cooling fan 3 is connected with an internal power supply to work, then the cooling fan 3 blows air to form air flow, the air flow is discharged through the supporting fence 4, then enters the shell through the ventilation hole 11 in the cover shell 202 at the bottom of the battery pack shell 2, heat accumulated after the battery pack assembly works is dissipated, and the hot air is finally discharged to the outside through the ventilation hole 11 in the cover shell 202 at the top end of the battery pack shell 2.
Wherein, a vent hole 11 is arranged on the cover shell 202, and a waterproof breathable film 10 is bonded and connected on the outer surface of the cover shell 202.
In the embodiment, as shown in fig. 1-2, a waterproof breathable film 10 is adhered to a cover shell 202, and the film body is made of lede waterproof breathable film and manufactured by lede electronics technologies ltd, hui zhou; is prepared by expanding and stretching polytetrafluoroethylene. The stretched polytetrafluoroethylene membrane forms a net-shaped structure in three dimensions, and each square inch of the membrane surface has more than 90 hundred million micropores. The superior stretching technique enables the pore diameter to be maintained between 0.1 and 1.0 micron. Is far more than 10000 times smaller than the water drop, so that the waterproof breathable film 10 has excellent water resistance, and the minimum water drop can not pass through the film. Meanwhile, the diameter of the micropores is more than 700 times larger than that of water vapor molecules. Therefore, the membrane has the performances of super water resistance, oil, dust, bacteria prevention and the like, and can allow gas molecules to easily pass through micropores on the membrane, thereby realizing the function of ventilation and achieving air pressure balance. Can guarantee to ventilate and waterproof when ventilative, avoid outside water liquid to enter into inside the casing through ventilation hole 11, damage inside group battery component.
Wherein, 2 marginal outer wall fixedly connected with of group battery shell 2 insert 5, 1 marginal outer wall fixedly connected with of heat dissipation base insert 6 down, the jack has all been seted up on insert 5 and the insert 6 down, and insert 5 and insert 6 jack down inside through have fastening bolt 7, fastening bolt 7 end screw thread connection has fastening nut 8.
In this embodiment, as shown in fig. 1, an upper insert block 5 on the side of a battery pack case 2 is butted with an insert hole of a lower insert block 6 on the side of a heat dissipation base 1, a fastening bolt 7 is inserted into the insert hole after the butt joint is completed, and the bottom of the fastening bolt 7 is screwed by a fastening nut 8 to be fastened by a screw thread.
Wherein, the bottom of the heat dissipation base 1 is fixedly connected with a support leg 9.
In this embodiment, as shown in fig. 1, the supporting legs 9 serve as the bottom supporting points of the heat dissipation base 1.
Wherein, the upper end of the heat dissipation base 1 is fixedly connected with a support fence 4.
In this embodiment, as shown in fig. 4, the support fence 4 supports the battery pack case while ensuring ventilation of the upper surface of the heat dissipation base 1.
The use method of the metal power battery pack shell comprises the following steps:
s1, assembling the shell: a user aligns side shell B204 both sides fixedly connected with T type card strip 205 at first side shell A201 both sides inner wall T type draw-in groove entrance position, imbed the inside buckle that forms of side shell A201 both sides inner wall T type draw-in groove with T type card strip 205 No. two and connect, after accomplishing the equipment of edge four sides again with cover shell 202 both sides fixedly connected with T type card strip 203 align side shell A201 upper and lower both ends inner wall T type draw-in groove entrance position, imbed side shell A201 upper and lower both ends inner wall T type draw-in groove inside formation buckle connection with T type card strip 203 No. one again, accomplish the six equipment of whole of cover shell 202 and side shell A201.
S2, heat dissipation assembly: the assembled battery pack shell 2 is integrally placed on a support fence 4 at the upper end of the heat dissipation base 1, an upper insert block 5 on the side edge of the battery pack shell 2 is butted with an insert hole 6 in the side edge of the heat dissipation base 1, a fastening bolt 7 is inserted into the insert hole after the butt joint is completed, and a fastening nut 8 is screwed at the bottom of the fastening bolt 7 to fasten threads.
S3, operation and heat dissipation: a switch of a heat radiation fan 3 is turned on, the heat radiation fan 3 is connected with an internal power supply to work, then the heat radiation fan 3 blows air to form air flow, the air flow is discharged through a support fence 4 and enters the interior of the shell through a vent hole 11 in a cover shell 202 at the bottom of a battery pack shell 2, heat dissipation is carried out on heat accumulated after the battery pack assembly works, hot air is finally discharged to the outside through the vent hole 11 in the cover shell 202 at the top end of the battery pack shell 2, a waterproof breathable film 10 is pasted on the cover shell 202, and the film body adopts a Lede waterproof breathable film and is produced by Heizhou Lede electronic technology Limited; is prepared by expanding and stretching polytetrafluoroethylene. The stretched polytetrafluoroethylene membrane forms a net-shaped structure in three dimensions, and each square inch of the membrane surface has more than 90 hundred million micropores. The superior stretching technique enables the pore diameter to be maintained between 0.1 and 1.0 micron. Is far more than 10000 times smaller than the water drop, so that the waterproof breathable film 10 has excellent water resistance, and the minimum water drop can not pass through the film. Meanwhile, the diameter of the micropores is more than 700 times larger than that of water vapor molecules. Therefore, the membrane has the performances of super water resistance, oil, dust, bacteria prevention and the like, and can allow gas molecules to easily pass through micropores on the membrane, thereby realizing the function of ventilation and achieving air pressure balance. Can guarantee to ventilate and waterproof when ventilative, avoid outside water liquid to enter into inside the casing through ventilation hole 11, damage inside group battery component.
When the metal power battery pack shell device and the using method thereof work, a user firstly aligns two T-shaped clamping strips 205 fixedly connected to two sides of a side shell B204 at inlet positions of T-shaped clamping grooves in inner walls of two sides of a side shell A201, then inserts the two T-shaped clamping strips 205 into the T-shaped clamping grooves in the inner walls of two sides of the side shell A201 to form buckle connection, after edge four-side assembly is completed, fixedly connects one T-shaped clamping strip 203 to two sides of a cover shell 202 to align at inlet positions of T-shaped clamping grooves in inner walls of upper and lower ends of the side shell A201, and then inserts the one T-shaped clamping strip 203 into the T-shaped clamping grooves in the inner walls of the upper and lower ends of the side shell A201 to form buckle connection, so that integral six-side assembly of the cover shell 202 and the side shell A201 is. The assembled battery pack shell 2 is integrally placed on a support fence 4 at the upper end of the heat dissipation base 1, an upper insert block 5 on the side edge of the battery pack shell 2 is butted with an insert hole 6 in the side edge of the heat dissipation base 1, a fastening bolt 7 is inserted into the insert hole after the butt joint is completed, and a fastening nut 8 is screwed at the bottom of the fastening bolt 7 to fasten threads. A switch of a heat radiation fan 3 is turned on, the heat radiation fan 3 is connected with an internal power supply to work, then the heat radiation fan 3 blows air to form air flow, the air flow is discharged through a support fence 4 and enters the interior of the shell through a vent hole 11 in a cover shell 202 at the bottom of a battery pack shell 2, heat dissipation is carried out on heat accumulated after the battery pack assembly works, hot air is finally discharged to the outside through the vent hole 11 in the cover shell 202 at the top end of the battery pack shell 2, a waterproof breathable film 10 is pasted on the cover shell 202, and the film body adopts a Lede waterproof breathable film and is produced by Heizhou Lede electronic technology Limited; is prepared by expanding and stretching polytetrafluoroethylene. The stretched polytetrafluoroethylene membrane forms a net-shaped structure in three dimensions, and each square inch of the membrane surface has more than 90 hundred million micropores. The superior stretching technique enables the pore diameter to be maintained between 0.1 and 1.0 micron. Is far more than 10000 times smaller than the water drop, so that the waterproof breathable film 10 has excellent water resistance, and the minimum water drop can not pass through the film. Meanwhile, the diameter of the micropores is more than 700 times larger than that of water vapor molecules. Therefore, the membrane has the performances of super water resistance, oil, dust, bacteria prevention and the like, and can allow gas molecules to easily pass through micropores on the membrane, thereby realizing the function of ventilation and achieving air pressure balance. Can guarantee to ventilate and waterproof when ventilative, avoid outside water liquid to enter into inside the casing through ventilation hole 11, damage inside group battery component. The specific model of the component is a C21-RH2104 heat dissipation fan.
The heat dissipation base 1 of the present invention; a battery pack case 2; side shell a 201; a cover shell 202; a first T-shaped card strip 203; side shell B204; a second T-shaped card strip 205; a heat radiation fan 3; a support fence 4; an upper insert block 5; a lower insert block 6; a fastening bolt 7; a fastening nut 8; a leg 9; a waterproof breathable film 10; the vent 11 components are all standard or known to those skilled in the art and their construction and principle are known to those skilled in the art either through technical manuals or through routine experimentation.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (6)
1. A metal power battery pack shell device and a using method thereof comprise a heat dissipation base (1) and a battery pack shell (2), and are characterized in that the battery pack shell (2) is detachably connected to the upper end of the heat dissipation base (1), a cavity structure is arranged in the heat dissipation base (1), a heat dissipation fan is fixedly arranged in the heat dissipation base (1), the battery pack shell (2) comprises a side shell A (201) and a cover shell (202), T-shaped clamping grooves are formed in the inner walls of the upper end and the lower end of the side shell A (201), first T-shaped clamping strips (203) are fixedly connected to the two sides of the cover shell (202), the first T-shaped clamping strips (203) are connected to the inner walls of the upper end and the lower end of the side shell A (201) in a buckling mode, the inner walls of the two sides of the side shell A (201) are also provided with the T-shaped clamping grooves, second T-shaped clamping strips (205) are fixedly connected to the two sides of the side, no. two T type card strip (205) buckle are connected inside the T type draw-in groove of side shell A (201) both sides inner wall.
2. The metal power battery pack case device according to claim 1, wherein the cover case (202) is provided with a vent hole (11), and a waterproof breathable film (10) is bonded to the outer surface of the cover case (202).
3. The metal power battery pack casing device according to claim 1, wherein an upper insert block (5) is fixedly connected to the outer wall of the edge of the battery pack casing (2), a lower insert block (6) is fixedly connected to the outer wall of the edge of the heat dissipation base (1), the upper insert block (5) and the lower insert block (6) are respectively provided with a jack, a fastening bolt (7) penetrates through the jacks of the upper insert block (5) and the lower insert block (6), and a fastening nut (8) is in threaded connection with the tail end of the fastening bolt (7).
4. The metal power battery pack case device according to claim 1, wherein a support leg (9) is fixedly connected to the bottom of the heat dissipation base (1).
5. The metal power battery pack case device according to claim 1, wherein a support fence (4) is fixedly connected to the upper end of the heat dissipation base (1).
6. The method for using the metal power battery pack shell as claimed in claim 1, wherein the method for using the metal power battery pack shell comprises the following steps:
s1, assembling the shell: a user aligns side shell B (204) both sides fixedly connected with T type card strip (205) two numbers at first to side shell A (201) both sides inner wall T type draw-in groove import position, inlay side shell A (201) both sides inner wall T type draw-in groove inside formation buckle connection with T type card strip (205) two numbers again, after accomplishing edge four sides equipment again with cover shell (202) both sides fixedly connected with T type card strip (203) to side shell A (201) upper and lower both ends inner wall T type draw-in groove import position, inlay side shell A (201) upper and lower both ends inner wall T type draw-in groove inside formation buckle connection with T type card strip (203) one number again, accomplish the six equipment of whole of cover shell (202) and side shell A (201).
S2, heat dissipation assembly: the assembled battery pack shell (2) is integrally placed on a support fence (4) at the upper end of a heat dissipation base (1), an upper insert block (5) on the side edge of the battery pack shell (2) is butted with an insert hole of a lower insert block (6) on the side edge of the heat dissipation base (1), a fastening bolt (7) is inserted into the insert hole after the butt joint is completed, and a fastening nut (8) is screwed at the bottom of the fastening bolt (7) for threaded fastening.
S3, operation and heat dissipation: the method comprises the following steps that a switch of a heat radiation fan (3) is turned on, the heat radiation fan (3) is connected with an internal power supply to work, then the heat radiation fan (3) blows air to form air flow, the air flow is discharged through a support fence (4), and then enters the inside of a shell through a vent hole (11) in a cover shell (202) at the bottom of a battery pack shell (2), heat accumulated after the battery pack assembly works is radiated, hot air is finally discharged to the outside through the vent hole (11) in the cover shell (202) at the top end of the battery pack shell (2), a waterproof breathable film (10) is adhered to the cover shell (202), and the film body adopts a Whitede waterproof breathable film and is produced by Haizhou Ledey electronic technology Limit; is prepared by expanding and stretching polytetrafluoroethylene. The stretched polytetrafluoroethylene membrane forms a net-shaped structure in three dimensions, and each square inch of the membrane surface has more than 90 hundred million micropores. The superior stretching technique enables the pore diameter to be maintained between 0.1 and 1.0 micron. The water-proof air-permeable film (10) is far smaller than water drops by more than 10000 times, so that the water-proof air-permeable film has excellent water-proof performance, and the smallest water drops can not pass through the film. Meanwhile, the diameter of the micropores is more than 700 times larger than that of water vapor molecules. Therefore, the membrane has the performances of super water resistance, oil, dust, bacteria prevention and the like, and can allow gas molecules to easily pass through micropores on the membrane, thereby realizing the function of ventilation and achieving air pressure balance. Can guarantee to ventilate and waterproof when ventilative, avoid outside water liquid to enter into inside the casing through ventilation hole (11), damage inside group battery component.
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| CN202011024374.9A CN112103439A (en) | 2020-09-25 | 2020-09-25 | Metal power battery pack shell device and using method thereof |
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| CN202011024374.9A CN112103439A (en) | 2020-09-25 | 2020-09-25 | Metal power battery pack shell device and using method thereof |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201708199U (en) * | 2010-06-12 | 2011-01-12 | 林健 | Special combined box for batteries |
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| US10770765B2 (en) * | 2016-09-28 | 2020-09-08 | Lg Chem, Ltd. | Battery module with improved frame structure and frame assembly for the battery module |
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Application publication date: 20201218 |