CN201238056Y - Lithium ion battery module with battery compressing structure - Google Patents
Lithium ion battery module with battery compressing structure Download PDFInfo
- Publication number
- CN201238056Y CN201238056Y CNU2008200807951U CN200820080795U CN201238056Y CN 201238056 Y CN201238056 Y CN 201238056Y CN U2008200807951 U CNU2008200807951 U CN U2008200807951U CN 200820080795 U CN200820080795 U CN 200820080795U CN 201238056 Y CN201238056 Y CN 201238056Y
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- Prior art keywords
- battery
- pressing plate
- side pressing
- lithium ionic
- ionic cell
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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
Abstract
The utility model discloses a lithium ion battery module with a battery-compacting structure, which comprises a battery box, a battery set and a battery management system. The lithium ion battery module has the following characteristics: the battery box comprises a semi-box body (1), a side holddown (2), a box cover (3), a top box cover plate (4), dust shields (5) and electrode protection plates (6, 7, 8); wherein, the semi-box body (1) comprises two opposite sides (A, B), a side (C) opposite to the side holddown (2) and a bottom side; and the side holddown (2) and the side (C) of the semi-box body (1) opposite to the side holddown (2) can compact the battery set. The compacting structure can partially counteract the expansion force of the battery, so that the performance of the battery can be kept stable; in addition, the compacting force also can firmly fix the battery in the battery box; and the structure is simple, can be easily operated and can save space and weight and increase the volume energy density and specific energy of the battery.
Description
Technical field
The utility model belongs to the lithium ion battery field, relates in particular to a kind of lithium ionic cell module of charged pool compressing structure.
Background technology
Because oil crisis and environmental pollution dual-pressure; the tradition fuel-engined vehicle will move towards decline; and the development of electric automobile has become inexorable trend; one of key technology of electric automobile is exactly the vehicular energy system, and the vehicle-mounted energy resource system of modularization is because of its flexible design, easily realize that reasons such as standardization become the emphasis of research.
At present, lithium ion battery is the highest battery of cost performance in all secondary cells, has reached the medium-term goal requirement of the electric vehicle battery of U.S. USABC organization prescribed substantially, therefore is with a wide range of applications and prospect in electric automobiles.The outer case lithium ion battery of aluminum plastic film has the main product that reasons such as higher specific energy, fail safe preferably and cost of manufacture are low have become lithium-ion-power cell because of it, but because its shell is softer, can not effectively stop the expansion of battery in charge and discharge process, cause chemical property instability in long-term use, reduce the useful life of battery.Therefore, when housing battery uses in groups outside aluminum plastic film, must apply certain thrust, the expansion of battery is restricted in the battery outside direction vertical with the battery plus-negative plate plane.The utility model designs at this requirement just.
The utility model content
The purpose of this utility model is to overcome above-mentioned problems of the prior art, and a kind of lithium ionic cell module of charged pool compressing structure is provided.
Above-mentioned purpose realizes by following technical proposal:
According to an aspect of the present utility model, a kind of lithium ionic cell module of charged pool compressing structure is provided, comprise battery case, battery pack and battery management system, it is characterized in that, described battery case comprises half chests body (1), side pressing plate (2), case lid (3), case lid top board (4), dust cover (5) and electrode protection plate (6,7,8), wherein said half chests body (1) comprises two relative faces (A, B), the face (C) relative with described side pressing plate (2), and the bottom surface; The face (C) relative with side pressing plate (2) of described side pressing plate (2) and described half chests body (1) has pressuring action to battery pack.Described pressuring action is by after utilizing external force and making described side pressing plate (2) reach the precalculated position, adopt screw that described half chests body (1) and side pressing plate (2) are fixedly realized, preferably, cell structure is adopted in the outside of the face (C) relative with described side pressing plate (2) of described side pressing plate (2) and described half chests body (1).
According to another aspect of the present utility model, have reinforcement (24) on two relative faces (A, B) of described half chests body (1), preferably, described reinforcement (24) is set to and the perpendicular horizontal bar of battery pack orientation.
According to another aspect of the present utility model, adopt bolt to be connected respectively between the positive and negative pole of described battery pack (16,17) and the external connection electrode of module (12,13).
According to another aspect of the present utility model, also comprise cooling system.Described cooling system comprises ventilation hole (25), air channel and blower fan (10); Wherein said ventilation hole (25) is set at the bottom of (1) two relative face of described half chests body (A, B), is used for battery module and extraneous ventilation, and described blower fan (10) is installed on the described case lid (3).
Compare with existing lithium ionic cell module, advantage of the present utility model is:
1. compressing structure of the present utility model makes firm being fixed in the battery case of battery, offset the expansive force of part battery on the one hand, make battery performance keep stable, also saved space and weight on the other hand, improved volume of battery energy density and specific energy.
2. reinforcing rib structure prevents battery pack play in casing, and the slit that forms between tank wall and the battery pack can be used for wind flow simultaneously, easily makes the battery pack cooling;
3. by screw the external connection electrode of battery pack both positive and negative polarity and module in the module is coupled together when the battery pack both positive and negative polarity externally is connected with module, simple to operate, good reliability, and reduced the connection internal resistance.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the lithium ionic cell module outline drawing of charged pool compressing structure of the present utility model
Fig. 2 is the lithium ionic cell module exploded view of charged pool compressing structure of the present utility model
The Reference numeral list
1-half chests body; 2-side pressing plate; 3-case lid; 4-case lid top board; 5-dust cover; 6,7,8-electrode protection plate; 9-battery management system; 10-blower fan; 11-socket communication; 12,13-externally connection electrode; 14,15-copper plate; 16-positive terminal; 17-negative terminal; 18-bolt; 19-battery pack; 20-lug connecting plate; 21-lug holding screw; 22-banjo; 23-sensor for measuring temperature; 24-reinforcement; 25-ventilation hole.
Embodiment
Fig. 1 is the outline drawing of 60Ah53.2V lithium ionic cell module of the present utility model; described battery module comprises battery case, battery pack and battery management system, and wherein said battery case comprises half chests body 1, side pressing plate 2, case lid 3, case lid top board 4, dust cover 5 and electrode protection plate 6,7,8.These parts all can be made by the environmentally-friendly plastic with functions such as insulation, fire-retardant, acid and alkali-resistances, for example nylon reinforced plastics, polyethylene or polypropylene etc.As shown in Figure 2, half chests body 1 comprises two relative face A and B, face C and a bottom surface relative with side pressing plate 2; Because above-mentioned four faces are formed in one in making the casing process, therefore the part of the casing that will be made up of these four faces is referred to as " half chests body ".The A of half chests body 1, B mask have same structure, and its C face and side pressing plate 2 have same structure.As can be seen from Figure 2, the inboard of side pressing plate 2 and C face is a plane, thereby in the assembled battery process, make the two be close to the pressuring action of battery pack realization equably to battery pack by external force, described external force can be that manpower also can be a mechanical force, alternatively, the outside of described side pressing plate and C face can adopt cell structure to alleviate its material usage and weight.In addition, alternatively, recessed reinforcement 24 outside dashing forward in design has on the A of half chests body 1, B face, described reinforcement is set to and the perpendicular horizontal bar of battery pack orientation, more specifically, be designed to equally distributed 4 horizontal bars that projecting height is 10mm (as among Fig. 2 24); It act as spacing to battery pack on the one hand, to prevent the play of battery pack, can form the air channel in the battery pack both sides on the other hand, is beneficial to the heat radiation of module.Alternatively, the width that also has strip in the bottom of the A of described half chests body 1, B face is 4 ventilation holes 25 of 3mm, and in the described ventilation hole outside fixing dust cover 5, both guaranteed module ventilation, played dustproof effect again.Yet should be appreciated that for a person skilled in the art though in the present embodiment, A, B, C face and bottom surface are formed in one, also can adopt bolt etc. to be fastenedly connected mode between them according to practical application; The shape of described reinforcement, number, arrangement are nonrestrictive, all can use as long as satisfy the structure that battery pack is played position-limiting action, and present embodiment only for illustrative purposes.Similarly, be used for shape, the quantity of the ventilation hole 24 of ventilation and heat and side pressing plate 2 had for the cell structure of weight reduction also only for exemplary, but not be confined to this.
Alternatively, described battery module can also comprise cooling system, and described cooling system comprises blower fan 10, ventilating opening 25 and the air channel that is made of reinforcement; Wherein said blower fan is installed on the described battery module case lid 3.When battery management system detected the battery module temperature and is higher than a certain specified temp, cooling system was started working, and this moment, blower fan by in ventilating opening and the air channel suction case, was discharged the air in the external environment condition outside the module in case again.
Alternatively, be connected for bolt between the positive and negative terminals of described battery pack and the external connection electrode of module.Specifically; in the design of the place, two diagonal angles of case lid the external connection electrode 12 of module and 13 are arranged; the two copper plate 14 by being embedded in the wide 25mm of thick 2mm in the case lid with 15 respectively with module in battery anode post 16 link to each other with negative terminal 17; stainless steel bolt 18 by M6 during connection is fastening, and over cap 8 is used for the junction is protected.Utilize lead with the two method that couples together than traditional, the design to connecting up when making battery module has not only been saved in the bolt connection that present embodiment adopted, and has also avoided that battery in use may occur because caused heating of electric wire or short circuit problem.
The assembling process of described 60Ah53.2V lithium ionic cell module is as follows:
At first place case lithium ion battery outside 14 60Ah aluminum plastic films successively during the battery module assembling in half chests body 1, the battery positive and negative electrode is staggered, and being connected in series by lug connecting plate 20 constitutes battery pack 19; Utilize side pressing plate 2 that battery pack in the half chests body is compressed subsequently, after side pressing plate 2 reaches the precalculated position, with sunk screw half chests body 1 and side pressing plate 2 are fixed into the battery case main body, this moment, casing produced certain thrust to battery pack in the module, and battery pack also can be fixed in the battery case because of the effect of thrust.
One end of voltage acquisition line is connected with corresponding battery by lug holding screw 21 in order, and the voltage acquisition line other end is connected to banjo 22.At last, all lug holding screws 21 is fastening by the torque wrench of 5Nm.Sensor for measuring temperature 23 is fixed on the battery pack and with connecting line by heat-conducting glue guides to banjo 22.
Next the case lid 3 that battery management module 9, blower fan 10 and communication plug 11 are installed is fixed on the above-mentioned module lower part box by countersunk head screw, the battery pack slotted line with again fan power is connected after battery management module 9 is docked, with sunk screw fixed cover plate.At last the stainless steel bolt 18 by M6 be fastenedly connected the external connection electrode 12,13 of module respectively with module in battery anode post 16 and negative terminal 17, with the fixing over cap 8 of glue, finish the assembling of whole module.
The volume of the battery module that is obtained is 330mm * 267mm * 313mm, and weight is 34kg, and specific energy is 97wh/kg, uses 7 battery modules to make electrocar, and the continual mileage that once charges is 185km, and max. speed can reach 140km/h.
Should be appreciated that, though adopting the outer case lithium ion battery of 14 60Ah aluminum plastic films to be connected in series, present embodiment forms described battery pack, but this is explanation as an example only, and the battery pack that adopts the outer case lithium ion battery of aluminum plastic film of the connected mode be different from present embodiment and different size and number to form all can be used in the utility model.
Although made specific descriptions for the utility model with reference to the above embodiments, but for the person of ordinary skill of the art, should be appreciated that and can make amendment or improve based on the disclosed content of the utility model, and these modifications and improving all within spirit and scope of the present utility model.
Claims (10)
1. the lithium ionic cell module of a charged pool compressing structure, comprise battery case, battery pack and battery management system, it is characterized in that, described battery case comprises half chests body (1), side pressing plate (2), case lid (3), case lid top board (4), dust cover (5) and electrode protection plate (6,7,8), wherein said half chests body (1) comprises two relative faces (A, B), the face (C) relative with described side pressing plate (2), and the bottom surface; The face (C) relative with side pressing plate (2) of described side pressing plate (2) and described half chests body (1) has pressuring action to battery pack.
2. lithium ionic cell module according to claim 1 is characterized in that, described pressuring action adopts screw that described half chests body (1) and side pressing plate (2) are fixedly realized by after utilizing external force and making described side pressing plate (2) reach the precalculated position.
3. lithium ionic cell module according to claim 2 is characterized in that, cell structure is adopted in the outside of the face (C) relative with side pressing plate (2) of described side pressing plate (2) and described half chests body (1).
4. lithium ionic cell module according to claim 1 is characterized in that, has reinforcement (24) on two relative faces (A, B) of described half chests body (1), and it is used for described battery pack spacing.
5. lithium ionic cell module according to claim 4 is characterized in that, described reinforcement (24) is set to and the perpendicular horizontal bar of battery pack orientation.
6. lithium ionic cell module according to claim 1 is characterized in that, adopts bolt to be connected respectively between the positive and negative pole of described battery pack (16,17) and the external connection electrode of module (12,13).
7. according to claim 1,4 or 6 described lithium ionic cell modules, also comprise cooling system.
8. lithium ionic cell module according to claim 7, described cooling system comprise ventilation hole (25), air channel and blower fan (10); Wherein said ventilation hole (25) is set at the bottom of (1) two relative face of described half chests body (A, B), is used for battery module and extraneous ventilation, and described blower fan (10) is installed on the described case lid (3).
9. lithium ionic cell module according to claim 1; it is characterized in that, described half chests body (1), side pressing plate (2), case lid (3), case lid top board (4), dust cover (5) and electrode protection plate (6,7,8) by have insulation, plastics fire-retardant, acid and alkali-resistance are made.
10. lithium ionic cell module according to claim 9 is characterized in that, described plastics are nylon reinforced plastics, polyethylene or polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200807951U CN201238056Y (en) | 2008-05-22 | 2008-05-22 | Lithium ion battery module with battery compressing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200807951U CN201238056Y (en) | 2008-05-22 | 2008-05-22 | Lithium ion battery module with battery compressing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201238056Y true CN201238056Y (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200807951U Expired - Lifetime CN201238056Y (en) | 2008-05-22 | 2008-05-22 | Lithium ion battery module with battery compressing structure |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794906A (en) * | 2010-03-19 | 2010-08-04 | 江苏双登集团有限公司 | Flexible packaging power lithium ion battery pack for electric automobile |
| CN102751542A (en) * | 2012-06-17 | 2012-10-24 | 深圳市格瑞普电池有限公司 | Lithium ion battery pack and lithium ion battery pack combination |
| CN102890191A (en) * | 2012-10-19 | 2013-01-23 | 浙江省电力公司电力科学研究院 | System and method for metering electric power consumption of electric automobile |
| CN103008934A (en) * | 2012-12-24 | 2013-04-03 | 伊达新技术电源（昆山）有限公司 | Welding machine water tank |
| CN103199205A (en) * | 2012-01-09 | 2013-07-10 | 苏州纳新新能源科技有限公司 | Multi-section lithium ion battery |
| CN103560263A (en) * | 2013-11-08 | 2014-02-05 | 宁德时代新能源科技有限公司 | Assembling process of battery module |
| CN104979602A (en) * | 2015-05-22 | 2015-10-14 | 江苏科技大学 | Battery box and method for dynamically adjusting battery box pressing force |
| CN105405997A (en) * | 2015-10-10 | 2016-03-16 | 北京飞行博达电子有限公司 | Basic module box of lithium ion power battery |
| CN105977539A (en) * | 2016-06-23 | 2016-09-28 | 苏州添蓝动力科技有限公司 | Composite structure of lithium battery pack |
| CN106410065A (en) * | 2015-07-22 | 2017-02-15 | 上海蓝诺新能源技术有限公司 | Weak mixing lithium battery pack system for starting and stopping of engine |
| CN106450098A (en) * | 2016-12-17 | 2017-02-22 | 北京理工大学 | High-energy-density easy-to-maintain battery box structure |
| CN106469795A (en) * | 2015-08-21 | 2017-03-01 | 上海昱章电气成套设备有限公司 | Backup battery module frame |
| CN106469797A (en) * | 2015-08-17 | 2017-03-01 | 三星Sdi株式会社 | Has standoff battery module |
| WO2018157559A1 (en) * | 2017-02-28 | 2018-09-07 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN109564994A (en) * | 2016-08-09 | 2019-04-02 | 小鹰公司 | With the battery for compressing and preventing thermal runaway sprawling feature |
| CN110988718A (en) * | 2019-12-20 | 2020-04-10 | 荣盛盟固利新能源科技有限公司 | Test system and method for measuring expansion stress of lithium ion battery |
| CN113013543A (en) * | 2021-03-05 | 2021-06-22 | 隆鑫通用动力股份有限公司 | Battery pack and battery pack processing method |
| US11114725B2 (en) | 2018-08-13 | 2021-09-07 | Wisk Aero Llc | Capacitance reduction in battery systems |
| CN113632301A (en) * | 2020-05-18 | 2021-11-09 | 东莞新能安科技有限公司 | Battery box, group battery and battery box |
| CN114388936A (en) * | 2022-01-14 | 2022-04-22 | 重庆化工职业学院 | Fork truck battery that radiating effect is good |
| US11552346B2 (en) | 2018-06-22 | 2023-01-10 | Wisk Aero Llc | Capacitance reducing battery submodule with thermal runaway propagation prevention and containment features |
-
2008
- 2008-05-22 CN CNU2008200807951U patent/CN201238056Y/en not_active Expired - Lifetime
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794906A (en) * | 2010-03-19 | 2010-08-04 | 江苏双登集团有限公司 | Flexible packaging power lithium ion battery pack for electric automobile |
| CN103199205A (en) * | 2012-01-09 | 2013-07-10 | 苏州纳新新能源科技有限公司 | Multi-section lithium ion battery |
| CN102751542B (en) * | 2012-06-17 | 2014-06-04 | 深圳市格瑞普电池有限公司 | Lithium ion battery pack and lithium ion battery pack combination |
| CN102751542A (en) * | 2012-06-17 | 2012-10-24 | 深圳市格瑞普电池有限公司 | Lithium ion battery pack and lithium ion battery pack combination |
| CN102890191A (en) * | 2012-10-19 | 2013-01-23 | 浙江省电力公司电力科学研究院 | System and method for metering electric power consumption of electric automobile |
| CN102890191B (en) * | 2012-10-19 | 2015-06-10 | 浙江省电力公司电力科学研究院 | System and method for metering electric power consumption of electric automobile |
| CN103008934A (en) * | 2012-12-24 | 2013-04-03 | 伊达新技术电源（昆山）有限公司 | Welding machine water tank |
| CN103560263A (en) * | 2013-11-08 | 2014-02-05 | 宁德时代新能源科技有限公司 | Assembling process of battery module |
| CN103560263B (en) * | 2013-11-08 | 2015-07-15 | 宁德时代新能源科技有限公司 | Assembling process of battery module |
| CN104979602A (en) * | 2015-05-22 | 2015-10-14 | 江苏科技大学 | Battery box and method for dynamically adjusting battery box pressing force |
| CN104979602B (en) * | 2015-05-22 | 2017-04-12 | 江苏科技大学 | Battery box and method for dynamically adjusting battery box pressing force |
| CN106410065A (en) * | 2015-07-22 | 2017-02-15 | 上海蓝诺新能源技术有限公司 | Weak mixing lithium battery pack system for starting and stopping of engine |
| CN106469797A (en) * | 2015-08-17 | 2017-03-01 | 三星Sdi株式会社 | Has standoff battery module |
| CN106469795A (en) * | 2015-08-21 | 2017-03-01 | 上海昱章电气成套设备有限公司 | Backup battery module frame |
| CN105405997A (en) * | 2015-10-10 | 2016-03-16 | 北京飞行博达电子有限公司 | Basic module box of lithium ion power battery |
| CN105405997B (en) * | 2015-10-10 | 2018-02-06 | 北京北方华创新能源锂电装备技术有限公司 | A kind of lithium-ion-power cell basic module box |
| CN105977539A (en) * | 2016-06-23 | 2016-09-28 | 苏州添蓝动力科技有限公司 | Composite structure of lithium battery pack |
| CN109564994A (en) * | 2016-08-09 | 2019-04-02 | 小鹰公司 | With the battery for compressing and preventing thermal runaway sprawling feature |
| CN106450098A (en) * | 2016-12-17 | 2017-02-22 | 北京理工大学 | High-energy-density easy-to-maintain battery box structure |
| CN106450098B (en) * | 2016-12-17 | 2023-04-18 | 北京理工大学 | High-energy-density battery box structure easy to maintain |
| WO2018157559A1 (en) * | 2017-02-28 | 2018-09-07 | 宁德时代新能源科技股份有限公司 | Battery module |
| US11552346B2 (en) | 2018-06-22 | 2023-01-10 | Wisk Aero Llc | Capacitance reducing battery submodule with thermal runaway propagation prevention and containment features |
| US11114725B2 (en) | 2018-08-13 | 2021-09-07 | Wisk Aero Llc | Capacitance reduction in battery systems |
| CN110988718A (en) * | 2019-12-20 | 2020-04-10 | 荣盛盟固利新能源科技有限公司 | Test system and method for measuring expansion stress of lithium ion battery |
| WO2021232205A1 (en) * | 2020-05-18 | 2021-11-25 | 东莞新能安科技有限公司 | Battery box body, battery set, and battery box |
| CN113632301A (en) * | 2020-05-18 | 2021-11-09 | 东莞新能安科技有限公司 | Battery box, group battery and battery box |
| CN113013543A (en) * | 2021-03-05 | 2021-06-22 | 隆鑫通用动力股份有限公司 | Battery pack and battery pack processing method |
| CN114388936A (en) * | 2022-01-14 | 2022-04-22 | 重庆化工职业学院 | Fork truck battery that radiating effect is good |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CITIC GuoAn Mengguli Power Science & Technology Co., Ltd. Assignor: Zhongxin Guoan Mengguli New Energy Sources Science and Technology Co., Ltd. Contract record no.: 2011110000117 Denomination of utility model: Lithium ion battery module with battery compressing structure Granted publication date: 20090513 License type: Exclusive License Record date: 20110720 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |
|
| CX01 | Expiry of patent term |