CN107425157B - Battery box - Google Patents
Battery box Download PDFInfo
- Publication number
- CN107425157B CN107425157B CN201610351420.3A CN201610351420A CN107425157B CN 107425157 B CN107425157 B CN 107425157B CN 201610351420 A CN201610351420 A CN 201610351420A CN 107425157 B CN107425157 B CN 107425157B
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- CN
- China
- Prior art keywords
- box body
- lower box
- battery
- voltage connector
- side support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a battery box, which comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are fastened through fastening bolts, an explosion-proof valve is arranged on the side face of the upper box body, a manual maintenance switch is arranged at the top of the upper box body, the front middle part of the upper box body and the front middle part of the lower box body are respectively provided with an upper box body front end part and a lower box body front end part, a first high-voltage connector and a second high-voltage connector are arranged at the front end part of the lower box body, and the first high-voltage connector and the second high-voltage connector share a high-voltage negative electrode. The beneficial effects of the invention are as follows: the battery box has high overall structural strength, can be quickly installed, has high dustproof and waterproof grade, is safe and reliable, and reduces design and production cost.
Description
Technical Field
The invention belongs to the field of automobile manufacturing, and particularly relates to a battery box.
Background
Along with the increasing national requirements on the emission and oil consumption of the traditional fuel automobiles, the electric automobile becomes one of the main development trends in the future automobile field. On an electric automobile, a power storage battery is used as a main power source of the whole automobile, and the cost of the power storage battery accounts for half of the cost of the whole automobile. In the mass popularization process of electric automobiles, the influence on the acceptance of users of the electric automobiles is not only related to the cost, safety and durability of the power storage batteries, but also related to the design of battery boxes.
At present, the power storage battery box body designed at home and abroad mainly aims to meet the requirements of the whole vehicle on performance and general safety, but the cost, IP grade protection, accidental safety protection design and convenience of installation and maintenance are difficult to achieve, for example, the factors cannot be effectively solved in the process of designing the battery box, and the use of the battery box on an electric automobile is severely limited.
Disclosure of Invention
The invention provides a battery box which is high in overall strength and durable in use; the cost of a power storage battery box is reduced; the battery box can be assembled quickly; meanwhile, the dustproof and waterproof grade of the power storage battery box is improved; ensuring the consistency of the internal and external air pressure of the battery box; ensuring that the safety risk can be effectively reduced to the minimum when the battery system is abnormal (collided or exploded); the battery box is not influenced by broken stone impact damage; the battery box is guaranteed to have a good potential equalization function.
The technical scheme of the invention is realized as follows:
the utility model provides a battery box, includes box and lower box, go up the box with the box passes through fastening bolt fastening down, it is equipped with explosion-proof valve to go up the box side, it is equipped with manual maintenance switch to go up the box top, go up box front side middle part with lower box front side middle part is equipped with box front end and lower box front end respectively, lower box front end is equipped with first high-voltage connector and second high-voltage connector, first high-voltage connector with the high-voltage negative pole is altogether to the second high-voltage connector.
Preferably, the first high-voltage connector is a 1-PIN high-voltage connector, and the second high-voltage connector is a 2-PIN high-voltage connector.
Further, a left side bracket and a right side bracket are respectively arranged on the left side and the right side of the lower box body; front end brackets and rear end brackets are respectively arranged on the front side and the rear side of the lower box body; the bottom surface inside the lower box body is provided with an internal module fixing bracket.
Further, the left side bracket includes a first left side bracket, a second left side bracket and a third left side bracket, the third left side bracket is welded to the lower case, the second left side bracket is welded to the third left side bracket and the lower case, and the first left side bracket is welded to the second left side bracket.
Further, an equipotential bolt for removing paint is fixed between the upper box body and the lower box body; and a battery box grounding wire is arranged on the right side bracket of the lower box body.
Further, a main positioning hole is formed in the left side support of the lower box body, and an auxiliary positioning hole is formed in the right side support of the lower box body.
Further, flanges are arranged on the peripheral edges of the upper box body and the peripheral edges of the lower box body; sealing gaskets are arranged between the periphery of the upper box body and the periphery of the lower box body and between the mounting surfaces of the fastening bolts.
Further, the side face of the lower box body is provided with an air tightness detection hole.
Further, an upper box body reinforcing rib is arranged at the top of the upper box body; the bottom of the lower box body is provided with a lower box body reinforcing rib.
Further, the side wall and the bottom of the lower box body are coated with a layer of protective armor.
The beneficial effects of the invention are as follows:
the assembly efficiency and the safety level of the battery box are effectively improved. The battery box 1PIN high-voltage connector and the 2PIN high-voltage connector share the high-voltage negative electrode mode, so that the cost of the whole battery box can be effectively reduced. The battery box adopts the comprehensive function design of an explosion-proof valve, the whole vehicle grounding and the protective armor, so that the safety level of the battery box can be improved. The layer-by-layer welding design of the battery box support effectively ensures the strength of the battery box, thereby improving the durable service life of the battery box. And the design of the main positioning hole and the auxiliary positioning hole of the battery box is convenient for the quick assembly of the battery box, and reduces the installation time. The upper box body and the lower box body of the battery box are bent and turned over, and the sealing gasket is added, so that the dustproof and waterproof grade of the battery box can be improved. The design is suitable for the design of the power storage battery box for the electric automobile from the aspects of cost and technology.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of a battery box according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a lower case according to an embodiment of the present invention;
FIG. 3 is a bottom view of the lower housing according to the embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the left side of the lower housing according to an embodiment of the present invention;
fig. 5 is a partial enlarged view of fastening bolt mounting surfaces around the upper case and around the lower case according to the embodiment of the present invention.
In the figure:
1. an upper case; 2. a lower box body; 3. a fastening bolt; 4. an explosion-proof valve; 5. a manual maintenance switch; 6. the front end part of the upper box body; 7. the front end part of the lower box body; 8. a first high voltage connector; 9. a second high voltage connector; 10. a left side bracket; 11. a right side bracket; 12. a front end bracket; 13. a rear end bracket; 14. an internal module fixing bracket; 15. a first left side bracket; 16. a second left side bracket; 17. a third left side bracket; 18. a battery box grounding wire; 19. a main positioning hole; 20. auxiliary positioning holes; 21. flanging; 22. a sealing gasket; 23. an air tightness detection hole; 24. a reinforcing rib of the upper box body; 25. a lower box body reinforcing rib; 26. and (3) protecting armor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, the battery box according to the embodiment of the invention comprises an upper box body 1 and a lower box body 2, wherein the upper box body 1 and the lower box body 2 are fastened through a fastening bolt 3, an explosion-proof valve 4 is arranged on the side surface of the upper box body 1, a manual maintenance switch 5 is arranged at the top of the upper box body 1, an upper box body front end part 6 and a lower box body front end part 7 are respectively arranged in the middle of the front side of the upper box body 1 and in the middle of the front side of the lower box body, a first high-voltage connector 8 and a second high-voltage connector 9 are arranged at the front end part 7 of the lower box body, and the first high-voltage connector 8 and the second high-voltage connector 9 share a high-voltage cathode.
In this example, the first high-voltage connector 8 is a 1PIN high-voltage connector, and the second high-voltage connector 9 is a 2PIN high-voltage connector.
In this example, a left bracket 10 and a right bracket 11 are respectively disposed on the left and right sides of the lower case 2; front end brackets 12 and rear end brackets 13 are respectively arranged on the front side and the rear side of the lower box body 2; the bottom surface inside the lower box body 2 is provided with an inner module fixing bracket 14.
In this example, the left side bracket 10 includes a first left side bracket 15, a second left side bracket 16, and a third left side bracket 17, the third left side bracket 17 is welded to the lower case 2, the second left side bracket 16 is welded to the third left side bracket 17 and the lower case 2, and the first left side bracket 15 is welded to the second left side bracket 16.
In this example, an equipotential bolt for removing paint is fixed between the upper case 1 and the lower case 2; the right bracket 11 of the lower case 2 is provided with a battery case grounding wire 18.
In this example, a main positioning hole 19 is provided on the left bracket 10 of the lower case 2, and an auxiliary positioning hole 20 is provided on the right bracket 11 of the lower case 2.
In this example, the peripheral edges of the upper case 1 and the peripheral edges of the lower case 2 are provided with flanges 21; sealing gaskets 22 are arranged between the periphery of the upper box body 1 and the periphery of the lower box body 2 and between the fastening bolt mounting surfaces.
In this example, the side surface of the lower case 2 is provided with an air tightness detection hole 23.
In this example, an upper case reinforcing rib 24 is provided at the top of the upper case 1; the bottom of the lower box body 2 is provided with a lower box body reinforcing rib 25.
In this example, the side walls and bottom of the lower case 2 are coated with a layer of protective armor 26.
The front end of the lower box body is provided with 12 PIN high-voltage connector and 1PIN high-voltage connector, the 2PIN high-voltage connector and the 1PIN high-voltage connector are respectively used for providing power for two high-voltage electric appliances on the whole car, and the total high-voltage negative electrode design is adopted, so that the number of connectors is reduced, and the cost can be reduced. The upper surface of the upper box body of the battery box is provided with the reinforcing ribs in a groined shape, and the reinforcing ribs penetrate through the upper surface, so that the strength of the upper box body of the battery box can be enhanced. The upper surface of the upper box body of the battery box is provided with a manual maintenance switch, so that the safety of maintenance and disassembly of the battery box is improved. When a fault exists in the battery box, a maintenance worker can disconnect the whole high-voltage loop by disconnecting the manual maintenance switch, so that the safety of the maintenance worker is ensured; the manual maintenance switch adopts a buckle type and is of a double locking structure, so that misoperation of a driver or maintenance personnel can be prevented. An explosion-proof valve is designed on the side edge of the upper box body of the battery box, so that the consistency of the internal and external air pressure of the battery box can be ensured under normal conditions, and the deformation caused by the air pressure difference between the internal and external air pressure of the battery box can be prevented; under abnormal conditions, if the battery box body is collided and exploded, a large amount of gas in the battery box body can be effectively discharged from the opening, so that the battery box body is prevented from being fried, and the accident safety risk is reduced. The lower box body of the battery box is provided with an air tightness detection hole for detecting the air tightness of the whole battery box body during offline after assembly, so that the battery box body is guaranteed to meet the dustproof and waterproof grade during design.
The left side bracket of the lower box body side of the battery box is designed with 1 small circular main positioning hole, the right side bracket of the lower box body side of the battery box is designed with 1 long hole auxiliary positioning hole, the small circular main positioning hole of the left side bracket of the lower box body side of the battery box can be pre-fixed in the assembly work, the long hole auxiliary positioning hole of the right side bracket of the lower box body side of the battery box is pre-fixed, and then the front end bracket of the lower box body of the battery box and the fixing hole of the rear end bracket of the lower box body of the battery box are pre-tightened, so that the fixing brackets of the battery box of the whole vehicle are ensured to be fastened by fixing bolts, the fastening deviation can not occur, and the assembly efficiency is improved. The equipotential bolts for removing paint are fixed on the upper box body and the lower box body of the battery box, so that the electric potential balance of the battery box is effectively guaranteed, and the right side bracket of the side wall of the lower box body of the battery box is provided with a battery box grounding wire which is connected with the whole vehicle bracket, so that the whole battery box and the whole vehicle grounding performance are guaranteed to be good. The bottom of the lower box body of the battery box is punched with a plurality of rugged reinforcing ribs which are connected together, so that the strength of the lower box body of the battery box is effectively ensured. The bottom and the side walls of the lower case body of the battery case are both sprayed with a layer of protective armor, so that the battery case body can be prevented from being broken down due to broken stone impact, and the safety level of the battery case is further improved.
The battery box upper box flange and the lower box flange are designed in a flange mode, a layer of sealing gasket is clamped between the upper box flange and the lower box flange, the sealing gasket bolt holes are pressed on the lower box flange riveting nuts of the battery box, and after the upper box flange and the sealing gasket, the lower box flange of the battery box and the lower box flange riveting nuts of the battery box are compacted and coupled, the upper box flange and the lower box flange fastening bolts of the battery box are used for fixing the upper box and the lower box fastening bolts of the battery box, so that the dustproof and waterproof grade of the battery box is guaranteed.
The left side support includes first left side support, second left side support and third left side support, and third left side support welds on the lower box, and the second left side support welds on third left side support and the lower box, and first left side support welds on the second left side support, and the battery case inside module fixed bolster welds on the lower box of battery case to make the lower box side wall left side support of battery case and lower box of battery case, the inside module fixed bolster of battery case constitute a whole. When the battery box is vibrated and impacted, the force applied to the battery box is transmitted to the battery box inner module fixing support by the front end support of the battery box, the rear end support of the battery box, the left side support of the side wall of the battery box and the right side support of the side wall of the battery box, so that the overall structural strength of the battery box is enhanced, and the uniformity of the stress of the battery box is effectively ensured.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. A battery box, characterized in that: including last box and lower box, go up the box with the lower box passes through fastening bolt fastening, it is equipped with explosion-proof valve to go up the box side, it is equipped with manual maintenance switch to go up the box top, go up box front side middle part with lower box front side middle part is equipped with box front end and lower box front end respectively, lower box front end is equipped with first high-voltage connector and second high-voltage connector, first high-voltage connector with the high-voltage negative pole is altogether to the second high-voltage connector.
2. The battery box according to claim 1, wherein: the first high-voltage connector is a high-voltage connector with a 1PIN, and the second high-voltage connector is a high-voltage connector with a 2 PIN.
3. The battery box according to claim 1, wherein: a left side bracket and a right side bracket are respectively arranged on the left side and the right side of the lower box body; front end brackets and rear end brackets are respectively arranged on the front side and the rear side of the lower box body; the bottom surface inside the lower box body is provided with an internal module fixing bracket.
4. A battery compartment as claimed in claim 3, wherein: the left side support comprises a first left side support, a second left side support and a third left side support, the third left side support is welded to the lower box body, the second left side support is welded to the third left side support and the lower box body, and the first left side support is welded to the second left side support.
5. A battery compartment as claimed in claim 3, wherein: an equipotential bolt for removing paint is fixed between the upper box body and the lower box body; and a battery box grounding wire is arranged on the right side bracket of the lower box body.
6. A battery compartment as claimed in claim 3, wherein: the left side support of the lower box body is provided with a main positioning hole, and the right side support of the lower box body is provided with an auxiliary positioning hole.
7. The battery box according to claim 1, wherein: the peripheral edges of the upper box body and the peripheral edges of the lower box body are respectively provided with a flanging; sealing gaskets are arranged between the periphery of the upper box body and the periphery of the lower box body and between the mounting surfaces of the fastening bolts.
8. The battery box according to claim 1, wherein: the side of lower box is equipped with the gas tightness detection hole.
9. The battery box according to claim 1, wherein: an upper box body reinforcing rib is arranged at the top of the upper box body; the bottom of the lower box body is provided with a lower box body reinforcing rib.
10. A battery compartment as claimed in any one of claims 1 to 9, wherein: the side wall and the bottom of the lower box body are coated with a layer of protective armor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351420.3A CN107425157B (en) | 2016-05-24 | 2016-05-24 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351420.3A CN107425157B (en) | 2016-05-24 | 2016-05-24 | Battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107425157A CN107425157A (en) | 2017-12-01 |
| CN107425157B true CN107425157B (en) | 2023-07-25 |
Family
ID=60422849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610351420.3A Active CN107425157B (en) | 2016-05-24 | 2016-05-24 | Battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107425157B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767157A (en) * | 2018-05-31 | 2018-11-06 | 浙江智造热成型科技有限公司 | A kind of high intensity battery case |
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| CN102637913A (en) * | 2012-05-03 | 2012-08-15 | 上海中科力帆电动汽车有限公司 | On-vehicle energy storage device of electromobile |
| CN102923133A (en) * | 2012-10-26 | 2013-02-13 | 山东科技大学 | Mining lithium-ion battery electric locomotive power assembly system |
| CN103500805A (en) * | 2013-09-06 | 2014-01-08 | 上海龙创汽车设计有限公司 | Cell box convenient for cell installation positioning and with damping mechanism |
| CN204333075U (en) * | 2014-12-30 | 2015-05-13 | 东风汽车公司 | A kind of quick-changing type power battery box of electric vehicle body |
| CN205790114U (en) * | 2016-05-24 | 2016-12-07 | 上汽通用五菱汽车股份有限公司 | A kind of battery case |
-
2016
- 2016-05-24 CN CN201610351420.3A patent/CN107425157B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134815A1 (en) * | 2010-04-28 | 2011-11-03 | Societe De Technologie Michelin | Stiffened battery compartment for an electric or hybrid vehicle |
| CN102637913A (en) * | 2012-05-03 | 2012-08-15 | 上海中科力帆电动汽车有限公司 | On-vehicle energy storage device of electromobile |
| CN102923133A (en) * | 2012-10-26 | 2013-02-13 | 山东科技大学 | Mining lithium-ion battery electric locomotive power assembly system |
| CN103500805A (en) * | 2013-09-06 | 2014-01-08 | 上海龙创汽车设计有限公司 | Cell box convenient for cell installation positioning and with damping mechanism |
| CN204333075U (en) * | 2014-12-30 | 2015-05-13 | 东风汽车公司 | A kind of quick-changing type power battery box of electric vehicle body |
| CN205790114U (en) * | 2016-05-24 | 2016-12-07 | 上汽通用五菱汽车股份有限公司 | A kind of battery case |
Non-Patent Citations (1)
| Title |
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| 董相龙,张维强..电动汽车电池箱结构强度的有限元分析及其改进设计.《机械强度》.2015,第37卷(第37期),11-15. * |
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| CN107425157A (en) | 2017-12-01 |
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