CN112436216A - Battery pack shell and manufacturing method thereof - Google Patents
Battery pack shell and manufacturing method thereof Download PDFInfo
- Publication number
- CN112436216A CN112436216A CN202010083499.2A CN202010083499A CN112436216A CN 112436216 A CN112436216 A CN 112436216A CN 202010083499 A CN202010083499 A CN 202010083499A CN 112436216 A CN112436216 A CN 112436216A
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- Prior art keywords
- battery pack
- battery
- box body
- pack box
- threaded rod
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- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 239000000463 material Substances 0.000 claims description 22
- 239000002131 composite material Substances 0.000 claims description 13
- 238000004512 die casting Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 7
- 229910001431 copper ion Inorganic materials 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- -1 silver ions Chemical class 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the technical field of batteries, and discloses a battery pack shell which comprises a battery pack box body, wherein a base plate is arranged inside the battery pack box body, the base plate is fixedly connected with the battery pack box body, an installation groove is formed in the top of the base plate, batteries are arranged inside the battery pack box body, the number of the batteries is four, the four batteries are all positioned on the top of the base plate, and the bottoms of the four batteries respectively penetrate through the installation groove and extend into the installation groove to be in contact with the installation groove. According to the invention, the battery is divided into the battery pack box body, and the battery pack box cover is covered on the top of the battery pack box body, so that the battery pack box cover can be fixed through the nut, the battery pack box body is supported through the supporting leg, the influence of ground accumulated water entering the battery pack box body on the short circuit of the battery is prevented, the maintenance time and cost are saved, and the internal part of the battery pack box body is cooled through the vent holes, so that the service life of the battery is longer.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a battery pack shell and a manufacturing method thereof.
Background
In recent years, electric vehicles are increasingly rapidly developed with the emphasis and support of governments due to the characteristics of small pollution to the atmospheric environment and energy diversification. At present, governments and enterprises invest in research and development without great investment, relevant policies and regulations are made to promote the development of electric vehicles, a battery pack shell is a main carrier of a battery pack system of a new energy vehicle, and the battery pack shell is mainly used for providing an installation structure for each system element inside a battery pack and protecting each component. In addition, the battery pack shell is also used as a main structural component in the battery pack system, and is matched with the automobile body after bearing the whole battery pack system, so that the use requirement of providing electric energy for a new energy automobile is met.
The battery pack case, which is an essential protection member of the battery pack, has an important influence on the performance of the battery pack. Most of the existing battery pack shells have limited strength, and are often deformed or cracked after long-term use, so that the service life of the battery is greatly influenced, and therefore, the battery pack shell and the manufacturing method thereof are provided.
Disclosure of Invention
The invention aims to provide a battery pack shell and a manufacturing method thereof, and the purpose of high strength of the battery pack shell is achieved.
In order to achieve the purpose, the invention provides the following technical scheme: a battery pack shell comprises a battery pack box body, wherein a base plate is arranged in the battery pack box body and fixedly connected with the battery pack box body, a mounting groove is formed in the top of the base plate, batteries are arranged in the battery pack box body, the number of the batteries is four, the four batteries are all positioned on the top of the base plate, the four battery bottoms respectively penetrate through the mounting groove and extend into the mounting groove to be contacted with the mounting groove, protection pads are arranged on the left side and the right side of the inner wall of the battery pack box body, the two protection pad bottoms are respectively contacted with the two ends of the base plate, one side, close to each other, of the two protection pads is respectively contacted with the batteries, battery pack connecting lugs are fixedly connected to the two ends of the top of the outer side of the battery pack box body, through holes are formed in the two battery pack connecting lugs, and a battery pack, the battery package case lid bottom both ends all are provided with the threaded rod, two the threaded rod all runs through the through-hole and extends to the battery package engaging lug outside.
Preferably, the four corners of the bottom of the battery pack box body are fixedly connected with supporting legs.
Preferably, four of the cells are in contact with each other and connected in series.
Preferably, the tops of the four batteries and the tops of the two protection pads are located on the same horizontal plane, and the tops of the four batteries and the tops of the two protection pads are in contact with the bottom of the battery pack case cover.
Preferably, the front face of the battery pack box body is provided with vent holes, and the number of the vent holes is 14, wherein the size and the shape of the vent holes are equal.
The invention also provides a manufacturing method of the battery pack shell, which is characterized by comprising the following steps: the method comprises the following steps:
and S1, stamping the material I to form the battery pack box body, wherein the die casting time is 10-20 min.
And S2, performing punch forming on the material II to form the battery pack cover, wherein the die casting time is 8-14 min.
And S3, polishing the battery pack box body and the battery pack box cover, and removing burrs.
And S4, welding battery pack connecting lugs at two ends of the battery pack box body.
And S5, drilling the inner part of the battery pack connecting lug.
S6, welding threaded rods at two ends of the bottom of the battery pack box cover, and enabling the positions of the threaded rods to correspond to the positions of the holes of the battery pack connecting lugs.
S7, grinding the joint of the connecting lug and the threaded rod, and removing burrs.
And S8, carrying out surface anti-corrosion treatment on the battery pack box body, the battery pack box cover, the battery pack connecting lug and the threaded rod.
S9, placing the battery pack box cover on the top of the battery pack box body, enabling the threaded rod to penetrate through the connecting lug, fixing the threaded rod through the nut, and finishing manufacturing of the battery pack shell.
Preferably, the first material is a magnesium-aluminum alloy composite material covered by an epoxy resin and glass fiber composite material.
Preferably, the second material is a frosted aluminum plate doped with a small amount of silver ions and copper ions.
Preferably, the diameter of the drilled hole in S5 is 8-12 mm.
The invention provides a battery pack shell and a manufacturing method thereof. The method has the following beneficial effects:
(1) the battery is arranged in the battery pack box body, the battery is positioned at the top of the mounting groove, the protection pads are placed at two ends of the battery pack box body and are in contact with the battery, the battery is subjected to shock absorption protection, the battery is prevented from being damaged due to vibration of the battery pack box body, the battery pack box cover is covered at the top of the battery pack box body, the threaded rod penetrates through the battery pack connecting lug, the battery pack box cover can be fixed through the nut, the battery pack box cover is supported through the supporting leg, ground accumulated water is prevented from entering the battery pack box body to affect short circuit of the battery, maintenance time and maintenance cost are saved, and the inside of the battery pack box body is cooled through the vent holes, so that the service life of the battery is prolonged.
(2) According to the invention, the battery pack box body is made of the magnesium-aluminum alloy composite material covered by the epoxy resin and glass fiber composite material, so that the battery pack box body has super strength, the surface of the device is subjected to anti-corrosion treatment, the anti-corrosion capability is improved, and the battery pack box cover is made of the ground aluminum plate doped with a small amount of silver ions and copper ions, so that the battery pack box cover has good heat dissipation performance, the battery operation can be better ensured, and the performance of the device is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a front view of the present invention.
In the figure: 1 battery package box, 2 supporting legs, 3 backing plates, 4 mounting grooves, 5 batteries, 6 protection pads, 7 battery package case lids, 8 battery package engaging lugs, 9 threaded rods, 10 air vents.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1-2, the present invention provides a technical solution: a battery pack shell comprises a battery pack box body 1, four corners at the bottom of the battery pack box body 1 are fixedly connected with supporting legs 2, the front surface of the battery pack box body 1 is provided with vent holes 10, the number of the vent holes 10 is 14, the size and the shape of the vent holes are equal, a backing plate 3 is arranged inside the battery pack box body 1, the backing plate 3 is fixedly connected with the battery pack box body 1, the top of the backing plate 3 is provided with a mounting groove 4, batteries 5 are arranged inside the battery pack box body 1, the number of the batteries 5 is four, the four batteries 5 are mutually contacted and connected in series, the four batteries 5 are all positioned at the top of the backing plate 3, the bottoms of the four batteries 5 respectively penetrate through the mounting groove 4 and extend to the inside of the mounting groove 4 to be contacted with the mounting groove 4, the tops of the four batteries 5 and the tops of two protection pads 6 are all positioned, the 1 inner wall left and right sides of battery package box all is provided with protection pad 6, 6 bottoms of two protection pads are equallyd divide do not contact with 3 both ends of backing plate, one side that two protection pads 6 are close to each other is equallyd divide do not contact with battery 5, the equal fixedly connected with battery package engaging lug 8 in 1 outside top both ends of battery package box, the through-hole has all been seted up to two battery package engaging lugs 8 are inside, 1 top of battery package box is provided with battery package case lid 7, 7 bottom both ends of battery package case lid all are provided with threaded rod 9, two threaded rod 9 all run through the through-hole and extend to battery package engaging lug 8.
A manufacturing method of a battery pack shell is characterized in that: the method comprises the following steps:
and S1, stamping the first material to form the battery pack box body, wherein the die casting time is 10min, and the first material is a magnesium-aluminum alloy composite material covered by an epoxy resin and glass fiber composite material.
And S2, performing punch forming on the second material to form the battery pack cover, wherein the die casting time is 8min, and the second material is frosted aluminum doped with a small amount of silver ions and copper ions.
And S3, polishing the battery pack box body and the battery pack box cover, and removing burrs.
And S4, welding battery pack connecting lugs at two ends of the battery pack box body.
And S5, drilling holes in the battery pack connecting lugs, wherein the diameter of each drilled hole is 8 mm.
S6, welding threaded rods at two ends of the bottom of the battery pack box cover, and enabling the positions of the threaded rods to correspond to the positions of the holes of the battery pack connecting lugs.
S7, grinding the joint of the connecting lug and the threaded rod, and removing burrs.
And S8, carrying out surface anti-corrosion treatment on the battery pack box body, the battery pack box cover, the battery pack connecting lug and the threaded rod.
S9, placing the battery pack box cover on the top of the battery pack box body, enabling the threaded rod to penetrate through the connecting lug, fixing the threaded rod through the nut, and finishing manufacturing of the battery pack shell.
Example two:
as shown in fig. 1-2, the present invention provides a technical solution: a battery pack shell comprises a battery pack box body 1, four corners at the bottom of the battery pack box body 1 are fixedly connected with supporting legs 2, the front surface of the battery pack box body 1 is provided with vent holes 10, the number of the vent holes 10 is 14, the size and the shape of the vent holes are equal, a backing plate 3 is arranged inside the battery pack box body 1, the backing plate 3 is fixedly connected with the battery pack box body 1, the top of the backing plate 3 is provided with a mounting groove 4, batteries 5 are arranged inside the battery pack box body 1, the number of the batteries 5 is four, the four batteries 5 are mutually contacted and connected in series, the four batteries 5 are all positioned at the top of the backing plate 3, the bottoms of the four batteries 5 respectively penetrate through the mounting groove 4 and extend to the inside of the mounting groove 4 to be contacted with the mounting groove 4, the tops of the four batteries 5 and the tops of two protection pads 6 are all positioned, the 1 inner wall left and right sides of battery package box all is provided with protection pad 6, 6 bottoms of two protection pads are equallyd divide do not contact with 3 both ends of backing plate, one side that two protection pads 6 are close to each other is equallyd divide do not contact with battery 5, the equal fixedly connected with battery package engaging lug 8 in 1 outside top both ends of battery package box, the through-hole has all been seted up to two battery package engaging lugs 8 are inside, 1 top of battery package box is provided with battery package case lid 7, 7 bottom both ends of battery package case lid all are provided with threaded rod 9, two threaded rod 9 all run through the through-hole and extend to battery package engaging lug 8.
A manufacturing method of a battery pack shell is characterized in that: the method comprises the following steps:
and S1, stamping the first material to form the battery pack box body, wherein the die-casting time is 15min, and the first material is a magnesium-aluminum alloy composite material covered by an epoxy resin and glass fiber composite material.
And S2, performing punch forming on the second material to form the battery pack cover, wherein the die casting time is 10min, and the second material is frosted aluminum doped with a small amount of silver ions and copper ions.
And S3, polishing the battery pack box body and the battery pack box cover, and removing burrs.
And S4, welding battery pack connecting lugs at two ends of the battery pack box body.
And S5, drilling holes in the battery pack connecting lugs, wherein the diameter of each drilled hole is 10 mm.
S6, welding threaded rods at two ends of the bottom of the battery pack box cover, and enabling the positions of the threaded rods to correspond to the positions of the holes of the battery pack connecting lugs.
S7, grinding the joint of the connecting lug and the threaded rod, and removing burrs.
And S8, carrying out surface anti-corrosion treatment on the battery pack box body, the battery pack box cover, the battery pack connecting lug and the threaded rod.
S9, placing the battery pack box cover on the top of the battery pack box body, enabling the threaded rod to penetrate through the connecting lug, fixing the threaded rod through the nut, and finishing manufacturing of the battery pack shell.
Example three:
as shown in fig. 1-2, the present invention provides a technical solution: a battery pack shell comprises a battery pack box body 1, four corners at the bottom of the battery pack box body 1 are fixedly connected with supporting legs 2, the front surface of the battery pack box body 1 is provided with vent holes 10, the number of the vent holes 10 is 14, the size and the shape of the vent holes are equal, a backing plate 3 is arranged inside the battery pack box body 1, the backing plate 3 is fixedly connected with the battery pack box body 1, the top of the backing plate 3 is provided with a mounting groove 4, batteries 5 are arranged inside the battery pack box body 1, the number of the batteries 5 is four, the four batteries 5 are mutually contacted and connected in series, the four batteries 5 are all positioned at the top of the backing plate 3, the bottoms of the four batteries 5 respectively penetrate through the mounting groove 4 and extend to the inside of the mounting groove 4 to be contacted with the mounting groove 4, the tops of the four batteries 5 and the tops of two protection pads 6 are all positioned, the 1 inner wall left and right sides of battery package box all is provided with protection pad 6, 6 bottoms of two protection pads are equallyd divide do not contact with 3 both ends of backing plate, one side that two protection pads 6 are close to each other is equallyd divide do not contact with battery 5, the equal fixedly connected with battery package engaging lug 8 in 1 outside top both ends of battery package box, the through-hole has all been seted up to two battery package engaging lugs 8 are inside, 1 top of battery package box is provided with battery package case lid 7, 7 bottom both ends of battery package case lid all are provided with threaded rod 9, two threaded rod 9 all run through the through-hole and extend to battery package engaging lug 8.
A manufacturing method of a battery pack shell is characterized in that: the method comprises the following steps:
and S1, stamping the first material to form the battery pack box body, wherein the die-casting time is 20min, and the first material is a magnesium-aluminum alloy composite material covered by an epoxy resin and glass fiber composite material.
And S2, performing punch forming on the second material to form the battery pack cover, wherein the die casting time is 14min, and the second material is frosted aluminum doped with a small amount of silver ions and copper ions.
And S3, polishing the battery pack box body and the battery pack box cover, and removing burrs.
And S4, welding battery pack connecting lugs at two ends of the battery pack box body.
And S5, drilling holes in the battery pack connecting lugs, wherein the diameter of each drilled hole is 12 mm.
S6, welding threaded rods at two ends of the bottom of the battery pack box cover, and enabling the positions of the threaded rods to correspond to the positions of the holes of the battery pack connecting lugs.
S7, grinding the joint of the connecting lug and the threaded rod, and removing burrs.
And S8, carrying out surface anti-corrosion treatment on the battery pack box body, the battery pack box cover, the battery pack connecting lug and the threaded rod.
S9, placing the battery pack box cover on the top of the battery pack box body, enabling the threaded rod to penetrate through the connecting lug, fixing the threaded rod through the nut, and finishing manufacturing of the battery pack shell.
When using, through placing battery 5 respectively in backing plate 3 tops, make battery 5 agree with mounting groove 4 is inside, then place protection pad 6 at 1 both ends of battery package box, make protection pad 6 and battery 5 contact, protect battery 5, through covering battery package case lid 7 in battery package box 1 top, make threaded rod 9 run through battery package engaging lug 8, threaded rod 9 is fixed with the rethread nut, through setting up supporting leg 2, support battery package box 1, prevent that ground ponding from getting into battery package box 1 and causing the influence to battery 5, through setting up air vent 10, to the inside scattered temperature that carries out of battery package box 1.
In conclusion, the battery 5 is arranged in the battery pack box body 1, the battery 5 is positioned at the top of the mounting groove 4, the protection pads 6 are arranged at two ends of the battery pack box body 1, the protection pads 6 are in contact with the battery 5, the battery 5 is protected by shock absorption, the battery 5 is prevented from being damaged by the vibration of the battery pack box body 1, the battery pack box cover 7 is covered at the top of the battery pack box body 1, the threaded rod 9 penetrates through the battery pack connecting lug 8, the battery pack box cover 7 can be fixed through the nut, the battery pack box body 1 is supported by the supporting leg 2, the influence of the short circuit of the battery 5 caused by the entry of the ground accumulated water into the battery pack box body 1 is prevented, the maintenance time and cost are saved, the inside of the battery pack box body 1 is cooled by arranging the vent hole 10, the service life of the battery 5 is prolonged, and the material of the battery pack box body 1 is magnesium-aluminum alloy composite material covered by epoxy resin and glass, make battery package box 1 have superstrong intensity, through carrying out anticorrosion treatment to the device surface, increased its resistance to corrosion, through setting up dull polish aluminum plate of battery package case lid 7 material for mixing a small amount of silver ion and copper ion to make battery package case lid 7 have good thermal diffusivity, thereby guarantee battery 5 that can be better moves, thereby improve the performance of device.
Claims (9)
1. The utility model provides a battery package shell, includes battery package box (1), its characterized in that: the battery pack box body (1) is internally provided with a base plate (3), the base plate (3) is fixedly connected with the battery pack box body (1), the top of the base plate (3) is provided with a mounting groove (4), the battery pack box body (1) is internally provided with a battery (5), the number of the battery (5) is four, the battery (5) is arranged at the top of the base plate (3) and is four, the bottom of the battery (5) is equally divided into four parts which respectively penetrate through the mounting groove (4) and extend to the inside of the mounting groove (4) to be contacted with the mounting groove (4), the left side and the right side of the inner wall of the battery pack box body (1) are respectively provided with a protection pad (6), two bottoms of the protection pads (6) are equally divided into two parts which are respectively contacted with the two ends of the base plate (3), two parts of one side of the protection pad (6) which is mutually close to are equally divided into two parts, two the through-hole has all been seted up to battery package engaging lug (8) inside, battery package box (1) top is provided with battery package case lid (7), battery package case lid (7) bottom both ends all are provided with threaded rod (9), two threaded rod (9) all run through the through-hole and extend to battery package engaging lug (8) outside.
2. A battery pack housing according to claim 1, wherein: the battery pack box body (1) is characterized in that four corners of the bottom of the battery pack box body are fixedly connected with supporting legs (2).
3. A battery pack housing according to claim 1, wherein: the four batteries (5) are in contact with each other and are connected in series.
4. A battery pack housing according to claim 3, wherein: the top of four battery (5) and the top of two protection pads (6) all are located same horizontal plane, four the top of battery (5) and two protection pads (6) all contacts with battery package case lid (7) bottom.
5. A battery pack housing according to claim 1, wherein: the battery pack box body (1) is provided with vent holes (10) in the front face, and the number of the vent holes (10) is 14, wherein the size and the shape of the vent holes are equal.
6. A manufacturing method of a battery pack shell is characterized in that: the method comprises the following steps:
s1, stamping the first material to form a battery pack box body, wherein the die casting time is 10-20 min;
s2, performing punch forming on the material II to form a battery pack cover, wherein the die casting time is 8-14 min;
s3, polishing the battery pack box body and the battery pack box cover, and removing burrs;
s4, welding battery pack connecting lugs at two ends of the battery pack box body;
s5, drilling the inner part of the battery pack connecting lug;
s6, welding threaded rods at two ends of the bottom of the battery pack box cover to enable the positions of the threaded rods to correspond to the positions of the holes of the battery pack connecting lugs;
s7, polishing the joint of the connecting lug and the threaded rod, and removing burrs;
s8, carrying out surface anti-corrosion treatment on the battery pack box body, the battery pack box cover, the battery pack connecting lug and the threaded rod;
s9, placing the battery pack box cover on the top of the battery pack box body, enabling the threaded rod to penetrate through the connecting lug, fixing the threaded rod through the nut, and finishing manufacturing of the battery pack shell.
7. The method for manufacturing a battery pack case according to claim 1, wherein: the first material is a magnesium-aluminum alloy composite material covered by an epoxy resin and glass fiber composite material.
8. The method for manufacturing a battery pack case according to claim 1, wherein: and the second material is a frosted aluminum plate doped with a small amount of silver ions and copper ions.
9. The method for manufacturing a battery pack case according to claim 1, wherein: the diameter of the drilled hole in the S5 is 8-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083499.2A CN112436216A (en) | 2020-02-09 | 2020-02-09 | Battery pack shell and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083499.2A CN112436216A (en) | 2020-02-09 | 2020-02-09 | Battery pack shell and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112436216A true CN112436216A (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010083499.2A Pending CN112436216A (en) | 2020-02-09 | 2020-02-09 | Battery pack shell and manufacturing method thereof |
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| CN (1) | CN112436216A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206490113U (en) * | 2017-02-22 | 2017-09-12 | 浙江零跑科技有限公司 | A kind of monoblock type battery pack structure |
| CN207021305U (en) * | 2017-06-29 | 2018-02-16 | 惠州市蓝微新源技术有限公司 | A kind of battery bag sealing structure |
| CN108539069A (en) * | 2018-04-09 | 2018-09-14 | 广东技术师范学院 | A kind of automobile batteries packet and replaceable battery system |
-
2020
- 2020-02-09 CN CN202010083499.2A patent/CN112436216A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206490113U (en) * | 2017-02-22 | 2017-09-12 | 浙江零跑科技有限公司 | A kind of monoblock type battery pack structure |
| CN207021305U (en) * | 2017-06-29 | 2018-02-16 | 惠州市蓝微新源技术有限公司 | A kind of battery bag sealing structure |
| CN108539069A (en) * | 2018-04-09 | 2018-09-14 | 广东技术师范学院 | A kind of automobile batteries packet and replaceable battery system |
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