CN104659308A - Lower box body of battery pack - Google Patents
Lower box body of battery pack Download PDFInfo
- Publication number
- CN104659308A CN104659308A CN201510109184.XA CN201510109184A CN104659308A CN 104659308 A CN104659308 A CN 104659308A CN 201510109184 A CN201510109184 A CN 201510109184A CN 104659308 A CN104659308 A CN 104659308A
- Authority
- CN
- China
- Prior art keywords
- lower box
- power brick
- stiffener
- fixed support
- internal box
- 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.)
- Granted
Links
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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention provides a lower box body of a battery pack. The lower box body comprises an inner box body, a mounting plate and a module mounting beam, wherein the mounting plate is fixedly connected with the inner box body; a first turnup is arranged on the mounting plate and provided with a first through hole for fixing the lower box body of the battery pack on a vehicle body; the module mounting beam is mounted on the upper part inside the inner box body and has a fixing part for fixing the battery pack; the lower box body further comprises a reinforcing beam which is mounted on the upper part inside the inner box body and is connected with the module mounting beam. The reinforcing beam is arranged in the inner box body, so that the structural strength of the inner box body is increased under the joint action of the reinforcing beam and the mould mounting beam, and therefore, the structural strength of the lower box body and a battery pack mounting assembly for mounting the battery pack is further improved, and the shock resistance of the battery pack assembly is improved.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly a kind of power brick lower box.
Background technology
Electric automobile is the developing direction of new-energy automobile, and it adopts electrokinetic cell bag storage of electrical energy as the power resources driving running car.For ensureing certain total electricity and output voltage requirement, electric automobile needs the electromagnetism module arranging some, and each electromagnetism module is coupled together formation power brick by copper bar.
In vehicle traveling process, power brick can be vibrated and shock loading.Reliable for guaranteeing the connection of high-voltage safety and power brick, each module of power brick and components and parts need be fixedly mounted in power brick casing.The effect of structure to buffering vibration and shock loading of the structure of power brick casing, particularly power brick lower box is extremely important.But existing power brick body structure designs weakness usually, intensity and toughness poor performance, vibration resistance in use and impact-resistant reliability poor.
Summary of the invention
For solving resistance to degree of shaking in the use procedure of existing power brick casing and the poor problem of impact-resistant reliability, the invention provides a kind of new power brick lower box.
The invention provides a kind of power brick lower box, comprise internal box, mounting panel and module mounting rail; Described mounting panel is fixedly connected with described internal box; Described mounting panel has the first flange, described first flange has the first through hole be fixed on by described power brick lower box on vehicle body; Described module mounting rail is arranged on the inside upper part of described internal box, has the fixed part of self-contained battery module; Also comprise buttress brace; Described buttress brace be arranged on described internal box inside upper part, be connected with described module mounting rail.
By arranging buttress brace in internal box, buttress brace and the acting in conjunction of module mounting rail is utilized to increase the structural strength of internal box, can further improve the structural strength of the power brick installation assembly of lower box and installation battery modules, improve the impact resistance of power brick assembly.
Preferably, also stiffener is comprised; Described stiffener is fixedly connected with described internal box; Described stiffener has the second flange, and described second flange has second through hole corresponding with described first lead to the hole site.
Stiffener is set, by the common cooperation of stiffener and mounting panel, lower box peripheral structure intensity can be ensured.
Preferably, also comprise fixed support, described fixed support and described mounting panel, described stiffener and one or more in described internal box are fixedly connected with.
Preferably, described fixed support is divided into front end fixed support and rear end fixed support, and described front end fixed support is fixedly connected with described internal box with described stiffener; Described rear end fixed support is fixedly connected with described mounting panel, described stiffener.
Preferably, described front end fixed support is welded to connect described stiffener and described internal box; Described rear end fixed support bolt connects described mounting panel and described stiffener.
Front end fixed support and rear end fixed support are set, can further improve the installation stability that lower box is arranged on vehicle body.
Preferably, described internal box is also provided with reinforcement.
Preferably, described internal box side also has wire harness passing hole.
Preferably, the first flange of described mounting panel and the second flange riveted joint of described stiffener.
Accompanying drawing explanation
Fig. 1 is power brick lower box explosive view in the embodiment of the present invention;
Fig. 2 is power brick lower box assembled view in the embodiment of the present invention.
Embodiment
For making those skilled in the art better understand technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is power brick lower box explosive view in the embodiment of the present invention, and Fig. 2 is power brick lower box assembled view in the embodiment of the present invention, Fig. 1 and Fig. 2 combines the power brick lower box overall structure can understood more for convenience in the present embodiment.Power brick lower box in the present embodiment comprises internal box 6, mounting panel 2, stiffener 3 and module mounting rail 5.Wherein mounting panel 2 and stiffener 3 stacked on top of one another are arranged, and the two vertical edge is fixedly connected with respectively at the side of internal box 6.In the present embodiment, the first flange of mounting panel 2 and the second flange of stiffener 3, by together with rivet, play the effect interfixed, the two all by welded and installed on the side of internal box 6.Module mounting rail 5 is welded on the inside upper part of internal box 6, has the fixed part of self-contained battery module, and battery modules can be fixed on and module mounting rail 5 realizes position fix.First flange of mounting panel 2 has the first through hole, the second flange of stiffener 3 has the second through hole, the position of the first through hole cooperatively interacted and the second through hole is corresponding, and power brick lower box can be arranged on vehicle body through the first through hole and the second through hole by bolt.Be appreciated that in other embodiments, mounting panel 2, stiffener 3 and module mounting rail 5 are also connected internal box 6 by other connected modes that this area is conventional, and the fixed form of mounting panel 2 and stiffener 3 is also not limited to rivet interlacement mode.
For increasing the structural strength of internal box 6, prevent the gravitational load long term of power brick from internal box 6, internal box 6 is deformed, buttress brace 4 is also provided with inside internal box 6 in the present embodiment, buttress brace 4 is directly welded in internal box 6, as module mounting rail 5, reinforcement is also not limited to be welded and fixed.
More than adopt mounting panel 2 and stiffener 3 to achieve left and right sides by means of only the first through hole of both sides and the second through hole to fix.For ensureing its fore-and-aft direction stable in car body, front end fixed support 7 and rear end fixed support 1 is also provided with in the front side of internal box 6, front end fixed support 7 and stiffener 3 and internal box 6 weld, and rear end fixed support 1 and mounting panel 2, stiffener 3 are bolted.Result in formation of four limit location structures, more can ensure that lower box is arranged on the location on vehicle body.Be appreciated that also can not arrange in actual applications front end fixed support 7, rear end fixed support 1 or only adopt both in one.
Can find out from accompanying drawing, internal box 6 side in the embodiment of the present invention has wire harness passing hole, passes through for holding the wire harness connecting power brick and external power consumption equipment.In order to vacate wire harness passing hole space, stiffener 3 also makes not to be that annular is arranged completely, but has certain opening front blocking up.
In the embodiment of the present invention, internal box 6 also defines reinforcement by punching press in the course of processing, and reinforcement adds internal box 6 structural strength, coordinates with buttress brace 4, module mounting rail 5 Stability Analysis of Structures guaranteeing internal box 6.
In power brick lower box manufacture process, first mounting panel 2 and stiffener 3 are welded together, be fixed in the outside of internal box 6 by spot welding, module mounting rail 5 and buttress brace 4 be welded on the top of internal box 6 subsequently, then two front end fixed supports 7 are welded on stiffener 3 and internal box 6, two rear end fixed supports 1 are utilized and is bolted on mounting panel 2 and buttress brace 4.
Power brick lower box in the above embodiment of the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and execution mode; the explanation of above embodiment just understands core concept of the present invention for helping; without departing from the principles of the present invention; also can carry out some improvement and modification to the present invention, these improve and modify and also fall within the scope of protection of the present invention.
Claims (8)
1. a power brick lower box, is characterized in that: comprise internal box (6), mounting panel (2), module mounting rail (5) and buttress brace (4); Described mounting panel (2) is fixedly connected with described internal box (6); (2) have the first flange to described mounting panel, described first flange have the first through hole be fixed on by described power brick lower box on vehicle body; Described module mounting rail (5) is arranged on the inside upper part of described internal box (6), has the fixed part of self-contained battery module; Described buttress brace (4) be arranged on described internal box (6) inside upper part, be connected with described module mounting rail (5).
2. power brick lower box according to claim 1, is characterized in that: also comprise stiffener (3); Described stiffener (3) is fixedly connected with described internal box (6); Described stiffener (3) has the second flange, and described second flange has second through hole corresponding with described first lead to the hole site.
3. the power brick lower box according to any one of claim 1 or 2, it is characterized in that: also comprise fixed support, described fixed support and described mounting panel (2), described stiffener (3) and one or more in described internal box (6) are fixedly connected with.
4. power brick lower box according to claim 3, it is characterized in that: described fixed support is divided into front end fixed support (7) and rear end fixed support (1), and described front end fixed support (7) is fixedly connected with described internal box (6) with described stiffener (3); Described rear end fixed support (1) is fixedly connected with described mounting panel (2), described stiffener (3).
5. power brick lower box according to claim 4, is characterized in that: described front end fixed support (7) is welded to connect described stiffener (3) and described internal box (6); Described rear end fixed support (1) bolt connects described mounting panel (2) and described stiffener (3).
6. power brick lower box according to claim 5, is characterized in that: it is characterized in that: described internal box (6) is also provided with reinforcement.
7. the power brick lower box according to any one of claim 6, is characterized in that: described internal box (6) side also has wire harness passing hole.
8. the power brick lower box according to any one of claim 7, is characterized in that: the first flange of described mounting panel (2) and the second flange riveted joint of described stiffener (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109184.XA CN104659308B (en) | 2015-03-12 | 2015-03-12 | A kind of battery bag lower box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109184.XA CN104659308B (en) | 2015-03-12 | 2015-03-12 | A kind of battery bag lower box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104659308A true CN104659308A (en) | 2015-05-27 |
| CN104659308B CN104659308B (en) | 2018-01-26 |
Family
ID=53250195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510109184.XA Active CN104659308B (en) | 2015-03-12 | 2015-03-12 | A kind of battery bag lower box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104659308B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336897A (en) * | 2015-11-20 | 2016-02-17 | 简式国际汽车设计（北京）有限公司 | Power battery box of electric vehicle |
| CN105810864A (en) * | 2016-04-19 | 2016-07-27 | 重庆长安汽车股份有限公司 | Automobile and power battery box thereof |
| CN106314113A (en) * | 2016-09-07 | 2017-01-11 | 奇瑞汽车股份有限公司 | Battery installation structure and power supply equipment |
| CN107946509A (en) * | 2017-11-07 | 2018-04-20 | 东莞市迈科新能源有限公司 | A kind of lightweight power battery babinet of steel aluminium riveting |
| CN108336275A (en) * | 2018-04-16 | 2018-07-27 | 华霆（合肥）动力技术有限公司 | Pure electric vehicle passenger car battery pack and electric vehicle |
| CN109305022A (en) * | 2018-09-28 | 2019-02-05 | 上汽通用五菱汽车股份有限公司 | Protective device |
| CN109955022A (en) * | 2017-12-26 | 2019-07-02 | 河南森源重工有限公司 | Battery pack box body welding method and the battery pack box body welding tooling for implementing this method |
| CN110931679A (en) * | 2019-11-26 | 2020-03-27 | 南京金龙客车制造有限公司 | New forms of energy battery tray integrated configuration |
| CN112599914A (en) * | 2020-11-16 | 2021-04-02 | 浙江零跑科技有限公司 | Power battery panel beating lower box assembly structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336897A (en) * | 2015-11-20 | 2016-02-17 | 简式国际汽车设计（北京）有限公司 | Power battery box of electric vehicle |
| CN105810864A (en) * | 2016-04-19 | 2016-07-27 | 重庆长安汽车股份有限公司 | Automobile and power battery box thereof |
| CN106314113B (en) * | 2016-09-07 | 2019-03-12 | 奇瑞汽车股份有限公司 | Battery fastening structure and power supply unit |
| CN106314113A (en) * | 2016-09-07 | 2017-01-11 | 奇瑞汽车股份有限公司 | Battery installation structure and power supply equipment |
| CN107946509A (en) * | 2017-11-07 | 2018-04-20 | 东莞市迈科新能源有限公司 | A kind of lightweight power battery babinet of steel aluminium riveting |
| CN107946509B (en) * | 2017-11-07 | 2021-06-01 | 东莞市迈科新能源有限公司 | Steel-aluminum riveted lightweight power battery box |
| CN109955022A (en) * | 2017-12-26 | 2019-07-02 | 河南森源重工有限公司 | Battery pack box body welding method and the battery pack box body welding tooling for implementing this method |
| CN108336275A (en) * | 2018-04-16 | 2018-07-27 | 华霆（合肥）动力技术有限公司 | Pure electric vehicle passenger car battery pack and electric vehicle |
| CN108336275B (en) * | 2018-04-16 | 2024-01-23 | 华霆（合肥）动力技术有限公司 | Battery pack of pure electric passenger car and electric car |
| CN109305022A (en) * | 2018-09-28 | 2019-02-05 | 上汽通用五菱汽车股份有限公司 | Protective device |
| CN110931679A (en) * | 2019-11-26 | 2020-03-27 | 南京金龙客车制造有限公司 | New forms of energy battery tray integrated configuration |
| CN112599914A (en) * | 2020-11-16 | 2021-04-02 | 浙江零跑科技有限公司 | Power battery panel beating lower box assembly structure |
| CN112599914B (en) * | 2020-11-16 | 2022-07-08 | 浙江零跑科技股份有限公司 | Power battery panel beating lower box assembly structure |
Also Published As
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|---|---|
| CN104659308B (en) | 2018-01-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150527 Assignee: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Assignor: Chongqing Changan Automobile Co.,Ltd.|CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Contract record no.: 2018500000022 Denomination of invention: Lower box body of battery pack Granted publication date: 20180126 License type: Exclusive License Record date: 20181130 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190108 Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Patentee before: Chongqing Changan Automobile Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |