CN103515556A - Battery module combination structure suitable for quick-change battery box of pure electric bus - Google Patents
Battery module combination structure suitable for quick-change battery box of pure electric bus Download PDFInfo
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- CN103515556A CN103515556A CN201310411852.5A CN201310411852A CN103515556A CN 103515556 A CN103515556 A CN 103515556A CN 201310411852 A CN201310411852 A CN 201310411852A CN 103515556 A CN103515556 A CN 103515556A
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- battery
- battery module
- quick change
- battery box
- insulation
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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
- 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
- H01M50/267—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders having means for adapting to batteries or cells of different types or different sizes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6562—Gases with free flow by convection only
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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
- 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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- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a battery module combination structure suitable for a quick-change battery box of a pure electric bus. A plurality of battery modules are mounted in a quick-change battery box (1); an insulating board I (2) and an insulating board II (3) are arranged on the two outer sides of each battery module respectively; pressing blocks I (4) are arranged at the upper parts of the insulating boards I (2); pressing blocks II (5) are arranged at the upper parts of the insulating boards II (3); a connecting board (6) is arranged on one side of the quick-change battery box (1); the battery modules are connected with the quick-change battery box (1) by connection matching of the pressing blocks I (4) and the connecting board (6) or connection matching of the pressing blocks II (5) and the connecting board (6); each battery module is formed in a manner that a plurality of battery insulators are placed side by side and then connected in series by a connecting device; each battery insulator comprises a power battery (7) and two insulating grids (8); and every two insulating grids (8) surround one power battery (7) to form one battery insulator.
Description
Technical field
The present invention relates to a kind of installation combining structure that pure electric coach quick change battery box battery module combination structure, particularly square power lithium ion cell are installed to quick change battery box that is applicable to.
Background technology
According to State Grid Corporation of China's electric automobile, fill the development need of changing electric facility, for supporting electric automobile, change the construction at station, released the quick change battery box that meets national grid standard that pure electric coach is used.Because the producer of domestic production electrokinetic cell is more, the electrokinetic cell model of each manufacturer production, overall dimension are all not quite similar, cause the battery of these different models and various criterion to install, therefore, in the situation that guaranteeing electric pressure, battery capacity, how all can pack the electrokinetic cell of different size, different size the quick change battery box of standard into, be the difficult problem that needs overcome.
Summary of the invention
The invention provides a kind of pure electric coach quick change battery box battery module combination structure that is applicable to, it is not in the situation that changing primary standard quick change battery box structure, can utilize to greatest extent battery case inner space, reduce the weight of structural member, also take into account heat radiation certainly and the forced heat radiation of battery simultaneously.
The present invention has adopted following technical scheme: a kind of pure electric coach quick change battery box battery module combination structure that is applicable to, it is provided with some battery modules and quick change battery box, some battery modules are arranged in quick change battery box, in two outsides of each battery module, be respectively equipped with insulation board I and insulation board II, on insulation board Ⅰ top, be provided with briquetting I, on insulation board Ⅱ top, be provided with briquetting II, a side at quick change battery box is provided with connecting plate, each battery module by briquetting I and connecting plate be connected cooperation or briquetting II is connected with quick change battery box with the cooperation that is connected of connecting plate, after each battery module is placed side by side by some battery insulators, by jockey, is serially connected and forms battery module, each battery insulator comprises an electrokinetic cell and two insulation grids, after encircling an electrokinetic cell, two insulation lattice corals form battery insulator.
Described insulation grid is set to glass flame retardant plastics.Described briquetting I is provided with installing hole I, and connecting plate is provided with double-screw bolt, and each battery module is connected with quick change battery box after inserting installing hole I by double-screw bolt.Described briquetting II is provided with installing hole II, and connecting plate is provided with double-screw bolt, and each battery module is connected with quick change battery box after inserting installing hole II by double-screw bolt.Described insulation grid surrounding is equipped with guide vane end stop.Described quick change battery box bottom is pasted with electrically insulating silicone rubber plate, and electrically insulating silicone rubber plate is corresponding with battery module.The middle part of described insulation lattice coral is provided with U-shaped groove, and the bottom of insulation lattice coral is arranged on inverted U.Described described jockey comprises that the both sides that the centre at each insulation Ge Shan top is provided with bolt mounting holes I and each insulation lattice coral bottom are respectively equipped with bolt mounting holes II, bolt mounting holes II is set to counterbore, and some battery insulators form battery module by serial connection after being installed with bolt I and being installed with bolt II in bolt mounting holes I in two bolt mounting holes II.The diagonal angle up and down of described each insulation lattice coral is respectively equipped with limited post and spacing hole, and two insulation lattice corals are oppositely encircled electrokinetic cell by after being connected of limited post and spacing hole after docking.In the middle of described insulation grid, there are some grizzly bars that are parallel to each other and are arranged in parallel, the formation air channel, gap being provided with between grizzly bar.
The present invention has following beneficial effect: adopted after above technical scheme, adopt above scheme to carry out the assembling of battery, saved casing upper space, during design, can increase the height of battery, also just improved the capacity of battery, upper gap is also conducive to the heat radiation on battery top simultaneously.Reduce the structural member of self-contained battery, reduced the weight of battery case, utilized to greatest extent the inner space of quick change battery box.Meanwhile, the heat radiation certainly and the forced heat radiation that are conducive to battery.And simple in structure, cost of manufacture is low, easy for installation.Insulation grid of the present invention be glass flame retardant plastic it there are good high temperature performance and insulation property.The present invention's equal limited location piece of grid surrounding that insulate, can be embedded into battery insulation grid inner like this, forms insulation protection effectively.
The present invention is insulated, and grid is middle some grizzly bars that are parallel to each other and are arranged in parallel, and the formation air channel, gap being provided with between grizzly bar, like this to guarantee the heat radiation certainly of battery and the environment consistency in battery pack use procedure.The insulate middle part of lattice coral of the present invention is provided with U-shaped groove, like this can be for components and parts such as installation administration system temperature switch and temp probes.The bottom of insulation lattice coral is arranged on inverted U, is convenient to like this bottom insulation and heat radiation, can avoid the reinforcement of pure electric coach quick change battery box bottom simultaneously.Quick change battery box lower surface of the present invention is pasted with electrically insulating silicone rubber plate, and it is corresponding with battery module that electrically insulating silicone rubber plate is placed on the bottom of battery module, and making like this has bumper and absorbing shock and insulating effect between battery and casing.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the embodiment of the present invention one.
Fig. 2 is electrokinetic cell of the present invention and insulation grid mounting structure schematic diagram.
Fig. 3 is the structural representation of battery module of the present invention.
Embodiment
Embodiment mono-, at Fig. 1, in Fig. 2 and Fig. 3, the invention provides a kind of pure electric coach quick change battery box battery module combination structure that is applicable to, it is provided with five battery modules and quick change battery box 1, five battery modules are arranged in quick change battery box 1, quick change battery box 1 lower surface is pasted with electrically insulating silicone rubber plate, it is corresponding with battery module that electrically insulating silicone rubber plate is placed on the bottom of battery module, in two outsides of each battery module, be respectively equipped with insulation board I 2 and insulation board II 3, on the top of insulation board I 2, be provided with briquetting I 4, on the top of insulation board II 3, be provided with briquetting II 5, a side at quick change battery box 1 is provided with connecting plate 6, each battery module is connected with quick change battery box 1 with the cooperation that is connected of connecting plate 6 by briquetting I 4, described briquetting I 4 is provided with installing hole I, connecting plate 6 is provided with double-screw bolt 9, each battery module is connected with quick change battery box 1 after inserting installing hole I by double-screw bolt 9.After each battery module is placed side by side by 16 battery insulators, by jockey, is serially connected and forms battery module, described jockey comprises that the both sides that the centre at each insulation lattice coral 8 top is provided with bolt mounting holes I and each insulation lattice coral 8 bottoms are respectively equipped with bolt mounting holes II, bolt mounting holes II is set to counterbore, some battery insulators form battery module by being installed with bolt I 12 and being installed with the rear serial connection of bolt II 13 in bolt mounting holes I in two bolt mounting holes II, if each battery insulator comprises an electrokinetic cell 7 and two insulation grids 8, two insulation lattice corals 8 are encircled a rear formation battery insulator of electrokinetic cell 7, insulation grid 8 is set to glass flame retardant plastics, described insulation grid 8 surroundings are equipped with guide vane end stop 11, the middle part of described insulation lattice coral 8 is provided with U-shaped groove 10, the bottom of insulation lattice coral 8 is arranged on inverted U, the diagonal angle up and down of described each insulation lattice coral 8 is respectively equipped with limited post and spacing hole, two insulation lattice corals 8 are oppositely encircled electrokinetic cell 7 by after being connected of limited post and spacing hole after docking, in the middle of described insulation grid 8, there are five grizzly bars that are parallel to each other and are arranged in parallel, the formation air channel, gap being provided with between grizzly bar.
Embodiment bis-, the invention provides a kind of pure electric coach quick change battery box battery module combination structure that is applicable to, it is provided with five battery modules and quick change battery box 1, five battery modules are arranged in quick change battery box 1, quick change battery box 1 lower surface is pasted with electrically insulating silicone rubber plate, it is corresponding with battery module that electrically insulating silicone rubber plate is placed on the bottom of battery module, in two outsides of each battery module, be respectively equipped with insulation board I 2 and insulation board II 3, on the top of insulation board I 2, be provided with briquetting I 4, on the top of insulation board II 3, be provided with briquetting II 5, a side at quick change battery box 1 is provided with connecting plate 6, each battery module is connected with quick change battery box 1 with the cooperation that is connected of connecting plate 6 by briquetting II 5, described briquetting II 5 is provided with installing hole II, connecting plate 6 is provided with double-screw bolt 9, each battery module is connected with quick change battery box 1 after inserting installing hole II by double-screw bolt 9, after each battery module is placed side by side by 16 battery insulators, by jockey, is serially connected and forms battery module, described jockey comprises that the both sides that the centre at each insulation lattice coral 8 top is provided with bolt mounting holes I and each insulation lattice coral 8 bottoms are respectively equipped with bolt mounting holes II, bolt mounting holes II is set to counterbore, 16 battery insulators form battery module by being installed with bolt I 12 and being installed with the rear serial connection of bolt II 13 in bolt mounting holes I in two bolt mounting holes II, if each battery insulator comprises an electrokinetic cell 7 and two insulation grids 8, two insulation lattice corals 8 are encircled a rear formation battery insulator of electrokinetic cell 7, insulation grid 8 is set to glass flame retardant plastics, described insulation grid 8 surroundings are equipped with guide vane end stop, the middle part of described insulation lattice coral 8 is provided with U-shaped groove 10, the bottom of insulation lattice coral 8 is arranged on inverted U, the diagonal angle up and down of described each insulation lattice coral 8 is respectively equipped with limited post and spacing hole, two insulation lattice corals 8 are oppositely encircled electrokinetic cell 7 by after being connected of limited post and spacing hole after docking, in the middle of described insulation grid 8, there are five grizzly bars that are parallel to each other and are arranged in parallel, the formation air channel, gap being provided with between grizzly bar.
Claims (10)
1. one kind is applicable to pure electric coach quick change battery box battery module combination structure, it is provided with some battery modules and quick change battery box (1) its feature, some battery modules are arranged in quick change battery box (1), in two outsides of each battery module, be respectively equipped with insulation board I (2) and insulation board II (3), on the top of insulation board I (2), be provided with briquetting I (4), on the top of insulation board II (3), be provided with briquetting II (5), a side at quick change battery box (1) is provided with connecting plate (6), each battery module by briquetting I (4) and connecting plate (6) be connected cooperation or briquetting II (5) is connected with quick change battery box (1) with the cooperation that is connected of connecting plate (6), after each battery module is placed side by side by some battery insulators, by jockey, is serially connected and forms battery module, each battery insulator comprises an electrokinetic cell (7) and two insulation grids (8), two insulation lattice corals (8) form battery insulator after encircling an electrokinetic cell (7).
2. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, is characterized in that described insulation grid (8) is set to glass flame retardant plastics.
3. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, it is characterized in that described briquetting I (4) is provided with installing hole I, connecting plate (6) is provided with double-screw bolt (9), and each battery module is connected with quick change battery box (1) after inserting installing hole I by double-screw bolt (9).
4. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, it is characterized in that described briquetting II (5) is provided with installing hole II, connecting plate (6) is provided with double-screw bolt (9), and each battery module is connected with quick change battery box (1) after inserting installing hole II by double-screw bolt (9).
5. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, is characterized in that described insulation grid (8) surrounding is equipped with guide vane end stop (11).
6. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, it is characterized in that described quick change battery box (1) lower surface is pasted with electrically insulating silicone rubber plate, it is corresponding with battery module that electrically insulating silicone rubber plate is placed on the bottom of battery module.
7. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, is characterized in that the middle part of described insulation lattice coral (8) is provided with U-shaped groove (10), and the bottom of insulation lattice corals (8) is arranged on inverted U.
8. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, it is characterized in that the both sides that described described jockey comprises that the centre at each insulation lattice corals (8) top is provided with bolt mounting holes I and each insulation lattice corals (8) bottom are respectively equipped with bolt mounting holes II, bolt mounting holes II is set to counterbore, and some battery insulators form battery module by serial connection after being installed with bolt I (12) and being installed with bolt II (13) in bolt mounting holes I in two bolt mounting holes II.
9. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, the diagonal angle up and down that it is characterized in that described each insulation lattice coral (8) is respectively equipped with limited post and spacing hole, and two insulation lattice corals (8) are oppositely encircled electrokinetic cell (7) by after being connected of limited post and spacing hole after docking.
10. the pure electric coach quick change battery box battery module combination structure that is applicable to according to claim 1, is characterized in that having some grizzly bars that are parallel to each other and are arranged in parallel, the formation air channel, gap being provided with in the middle of described insulation grid (8) between grizzly bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411852.5A CN103515556B (en) | 2013-09-11 | 2013-09-11 | One is applicable to pure electric coach quick change battery box battery module combination structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411852.5A CN103515556B (en) | 2013-09-11 | 2013-09-11 | One is applicable to pure electric coach quick change battery box battery module combination structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103515556A true CN103515556A (en) | 2014-01-15 |
| CN103515556B CN103515556B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310411852.5A Active CN103515556B (en) | 2013-09-11 | 2013-09-11 | One is applicable to pure electric coach quick change battery box battery module combination structure |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428567A (en) * | 2015-12-27 | 2016-03-23 | 江苏春兰清洁能源研究院有限公司 | Lithium ion battery module composite structure |
| CN111564581A (en) * | 2019-01-29 | 2020-08-21 | 重庆峘能电动车科技有限公司 | Single-box battery, battery arrangement device and electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050168190A1 (en) * | 2004-02-02 | 2005-08-04 | Gordon Gottsponer | Battery box for recreational vehicle |
| CN202076346U (en) * | 2011-04-19 | 2011-12-14 | 威斯达电器(中山)制造有限公司 | Lithium battery single body group and power battery box |
| CN202434615U (en) * | 2012-01-17 | 2012-09-12 | 重庆长安汽车股份有限公司 | Battery module combination device for electric automobile |
| CN102938452A (en) * | 2012-11-27 | 2013-02-20 | 江苏春兰清洁能源研究院有限公司 | Square power battery module combined structure with metal shell |
| CN203481299U (en) * | 2013-09-11 | 2014-03-12 | 江苏春兰清洁能源研究院有限公司 | Battery module combined structure suitable for quick-change battery box of pure electric bus |
-
2013
- 2013-09-11 CN CN201310411852.5A patent/CN103515556B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050168190A1 (en) * | 2004-02-02 | 2005-08-04 | Gordon Gottsponer | Battery box for recreational vehicle |
| CN202076346U (en) * | 2011-04-19 | 2011-12-14 | 威斯达电器(中山)制造有限公司 | Lithium battery single body group and power battery box |
| CN202434615U (en) * | 2012-01-17 | 2012-09-12 | 重庆长安汽车股份有限公司 | Battery module combination device for electric automobile |
| CN102938452A (en) * | 2012-11-27 | 2013-02-20 | 江苏春兰清洁能源研究院有限公司 | Square power battery module combined structure with metal shell |
| CN203481299U (en) * | 2013-09-11 | 2014-03-12 | 江苏春兰清洁能源研究院有限公司 | Battery module combined structure suitable for quick-change battery box of pure electric bus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428567A (en) * | 2015-12-27 | 2016-03-23 | 江苏春兰清洁能源研究院有限公司 | Lithium ion battery module composite structure |
| CN111564581A (en) * | 2019-01-29 | 2020-08-21 | 重庆峘能电动车科技有限公司 | Single-box battery, battery arrangement device and electric automobile |
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| Publication number | Publication date |
|---|---|
| CN103515556B (en) | 2016-01-20 |
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Inventor after: Xu Qun Inventor after: Kong Lingguo Inventor after: Kong Lingbing Inventor after: Cao Guangyong Inventor after: Yuan Jie Inventor after: Chen Hua Inventor after: Ni Jing Inventor before: Kong Lingguo Inventor before: Kong Lingbing Inventor before: Cao Guangyong Inventor before: Yuan Jie |
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Free format text: CORRECT: INVENTOR; FROM: KONG LINGGUO KONG LINGBING CAO GUANGYONG YUAN JIE TO: XU QUN KONG LINGGUO KONG LINGBING CAO GUANGYONG YUAN JIE CHEN HUA NI JING |
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