CN204289570U - Omniseal battery case - Google Patents
Omniseal battery case Download PDFInfo
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- CN204289570U CN204289570U CN201520004788.3U CN201520004788U CN204289570U CN 204289570 U CN204289570 U CN 204289570U CN 201520004788 U CN201520004788 U CN 201520004788U CN 204289570 U CN204289570 U CN 204289570U
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- Prior art keywords
- battery
- negative pole
- battery case
- heat
- row
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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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Abstract
The utility model relates to a kind of battery pack of electric automobile, a kind of especially omniseal battery case.Comprise Battery case, insulation cushion, some connections row and some heat sinking batteries, described some heat sinking batteries are as required by connecting row's connection in series-parallel combination, keep the end face good contact of the both positive and negative polarity connecting row and heat sinking battery, the biside plate close contact by insulation cushion and casing is arranged in described connection, the heat that heat sinking battery produces is passed to casing, by casing self-radiating by connection row and insulation cushion.The utility model, by connecting row, insulation cushion heat conduction, by Battery case self-radiating feature, effectively solves a sealed cell case heat radiation difficult problem.
Description
Technical field
The present invention relates to a kind of battery pack of electric automobile, particularly a kind of omniseal battery case.
Background technology
At present, electric automobile provides power source by battery pack, namely gets up to be formed high-power, jumbo lithium battery group by multiple lithium battery by series and parallel, then by its placing battery case for electric automobile provides power.Because lithium battery is in the process of discharge and recharge, battery itself can produce heat with the assembly on big current path, battery case internal temperature then can be caused to continue to rise, discharge and recharge number of times and the serviceability of lithium battery can be reduced after temperature exceedes the maximum temperature that lithium battery normally works, finally affect its useful life.If ferric phosphate lithium cell maximum temperature is 60 degrees Celsius, battery will be greatly reduced more than 60 degrees Celsius in useful life.The power brick heat dissipating method mainly air blast cooling that prior art adopts, water-cooled or oil cooling; Air blast cooling is arranged on by fan on power brick casing, by wind, the heat in power brick is taken away, the maximum shortcoming of this mode is the local temperature skewness in power brick, temperature often around air inlet is lower, and temperature around air outlet is higher, this non-uniform temperature, directly has influence on cell consistency in power brick, can accelerate the deterioration of power brick serviceability; Another kind of air blast cooling method is the air-conditioner wind taken from driving cabin, and enter exhaust duct and drain into outside car through luggage compartment, it can cause the consumption of air conditioner energy, and the gas flow in power brick enters luggage compartment, can pollute car cabin air.In addition, the mode of water-cooled or oil cooling, although its radiating effect is better, the internal structure of power brick is more complicated, and pipeline gathers, and can cause the sharply rising of power brick weight and cost.
Summary of the invention
In view of the above, it is simple that the present invention is necessary to provide a kind of structure, and dispel the heat uniform omniseal battery case.
Compared to prior art, the present invention is by connecting the both positive and negative polarity end face close contact of row and battery, connect the biside plate close contact arranged by insulation cushion and casing, the heat produced by heat sinking battery is passed to casing by connection row and insulation cushion, by casing self-radiating, the effective heat radiation difficult problem solving sealed cell case.
Accompanying drawing explanation
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, accompanying drawing in description is only correspond to specific embodiments more of the present invention, to those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings when needing.
Fig. 1 is the schematic perspective view of heat dissipation battery of the present invention;
Fig. 2 is the perspective exploded view of heat dissipation battery of the present invention;
Fig. 3 is the gland perspective view of heat dissipation battery of the present invention;
Fig. 4 is the IV-IV direction schematic cross-section shown in Fig. 1;
Fig. 5 is the schematic perspective view of omniseal battery case of the present invention.
Embodiment
In order to elaborate the technical scheme that the present invention takes for reaching predetermined technique object, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only section Example of the present invention, instead of whole embodiments, and, under the prerequisite not paying creative work, technological means in embodiments of the invention or technical characteristic can be replaced, below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Refer to Fig. 1, a kind of heat sinking battery 100 shown in the embodiment of the present invention, comprises housing 10, battery 20, positive terminal 30 and negative pole end 50.Described positive terminal 30 is fixedly connected with the positive pole of battery 20 by welding, described negative pole end 50 is also fixedly connected with the negative pole end of battery 20 by welding, again described negative pole end 50, battery 20 and positive terminal 30 are loaded in housing 10, by packaging technology, negative pole end 50, battery 20 and positive terminal 30 are fixedly encapsulated in housing.
See also Fig. 2 to Fig. 4, described housing 10 is an aluminum alloy materials, and in interior hollow round column shape, also comprise an openend 11, this openend 11 is positioned at one end of this cylindrical housings, for installing negative pole end 50, battery 20 and positive terminal 30.The center of the other end of described housing 10 opposing opened ends 11 offers a through hole 13, installs described negative pole end 50 for wearing.
Described battery 20 is formed by positive and negative pole material and membrane winding, in cylindric, comprises positive pole and negative pole.Described both positive and negative polarity lays respectively at the two ends of cylindrical battery core 20.
Described positive terminal 30 comprises anode collection sheet 31, first sealing gasket 32, gland 33, second sealing gasket 34 and safety valve 35.
Described anode collection sheet 31 is round sheet, be welded and fixed by the positive pole of laser welding and battery 20, described anode collection sheet 31 also comprises the first through hole 311, this the first through hole 311 is positioned at the center of anode collection sheet 31, for passing through this first through hole 311 to filling electrolyte in battery 20.
Described first sealing gasket 32 is a plastic insulation material, and this first sealing gasket 32 is wrapped in anode collection sheet 31 circumferentially, for ensureing insulation between anode collection sheet 31 and housing 10 and sealing.
Described gland 33 is aluminum alloy materials, comprises disk 331 and boss 333, the rounded sheet of described disk 331, and the circumference profile edge of this disk 331 has a circle groove 3311; Described boss 333 is in round table-like, and the diameter of this boss 333 is less than disk 331, and one-body molded design coaxial with disk 331, this gland 33 is electrically connected with described anode collection sheet 31.The central axial direction of described boss 333 offers the second through hole 335, and this second through hole 335 is through in the first through hole 311 of described anode collection sheet 31, for battery 20 fluid injection and mounting safety valve; The end face of described boss 333 also offers the groove 338 of a radial direction, and this groove 338 is communicated with the second through hole 335, for deriving the gas that safety valve 35 is discharged; The end face of described boss 333 also offers the first screwed hole 336, exports connection row for installing self-contained battery or connects battery output lead.
Described second sealing gasket 34 is a plastic insulation material, and this second sealing gasket 34 is wrapped in the disk 331 of gland 33 circumferentially, for ensureing insulation between gland 33 and housing 10 and sealing.
Described safety valve 35 is a conventional gas valve, and depression is arranged in the second through hole 335 of described gland 33.Safety valve is when the pressure medium in equipment or pipeline increases to over setting, exceedes the Special valve of specified value by preventing pressure medium in pipeline or equipment to discharge medium outside system.Control cell internal pressure and be no more than setting, important protective effect is risen to the safe handling of battery.
Described negative pole end 50 comprises negative pole currect collecting sheet 51, negative electrode 52, insulation cushion 53.Described negative pole currect collecting sheet 51 is round sheet, described negative electrode 52 is cylindric, described negative electrode 52 with described negative pole currect collecting sheet 51 coaxial laser is welded or the two is one-body molded, the electric energy of battery is outwardly exported by the through hole 13 of housing 10 by described negative electrode 52, and described negative pole currect collecting sheet 51, negative electrode 52 are copper product.Described negative electrode 52 includes the second screwed hole 511, and this screwed hole 511 is opened in the center, end of negative electrode 52, exports connection row for installing self-contained battery or connects battery output lead.In the present embodiment, described negative pole end 50 also comprises the 4th sealing ring 60 and heat conduction nut 70, described 4th sealing ring 60 is a plastic insulation material, and the 4th sealing gasket 60 is located on negative electrode 52, for ensureing insulation between negative electrode 52 and housing 10 and sealing.Negative electrode 52 and housing 10 are fixed by the 4th sealing ring 60 by described heat conduction nut 70, and keep the outer face of heat conduction nut 70 concordant with the end face of negative electrode 52.
Described 3rd sealing gasket 53 is a plastic insulation material, and the 3rd sealing gasket 53 is wrapped in negative pole currect collecting sheet 51 circumferentially, for ensureing insulation between negative pole currect collecting sheet 51 and housing 10 and sealing.
When heat sinking battery 100 assembles, negative pole currect collecting sheet 51, negative electrode 52 pass through laser welding one, then by the negative pole laser welding of negative pole currect collecting sheet 51 with described battery 20; The positive pole laser welding of anode collection sheet 31 and battery 20, the negative pole of the battery after welding is inserted in the 3rd sealing gasket 53, positive terminal is inserted in the first sealing gasket 32, to assemble in the loading housing 10 of battery elder generation negative pole end of sealing ring, and by the negative electrode 52 of the battery after welding through the through hole 13 bottom housing 10, by rolling techniques, the battery of fitting tight circle is fixed in housing 10; Being loaded in housing 10 by gland 33, loading the second sealing gasket 33, being sealed by housing 10 by roll extrusion, the edge collecting of housing 10, in the groove 3311 of gland 33, forms the positive pole output electrode of battery; The negative electrode 52 of negative pole end is fixed by the 3rd sealing gasket 53 and heat radiation nut.By heat sinking battery 100 fluid injection assembled, take off safety valve 35, undertaken fluid injection in battery 20 by the second through hole 335.
During heat sinking battery 100 high current charge-discharge, the inner heat of battery 20 also produces air pressure.The heat that battery 20 produces is passed to rapidly gland 30, negative electrode 52 and heat radiation nut 57, by the body of the connection gland 30 of heat sinking battery 100, negative electrode 52 and gland nut 57 and the utilizing object conducting heat of this body of connection or heat radiation; The safety valve 35 of air pressure by gland 33 is installed of battery 20 inside, and the groove 338 offered, the air pressure release produced battery 20 inside, plays safety anti-explosive effect, thus solves battery heat radiation and Explosion-Proof.
Refer to Fig. 5, when battery pack uses, (battery pack refers to some batteries voltage as required and the multiple battery of electric current connection in series-parallel, load in battery case and use), comprise Battery case 200, insulation cushion (not shown), some connections row 110 and some heat sinking batteries 100.Described Battery case 200 is metal material, is aluminum alloy materials in the present embodiment; Described insulation cushion is the silica gel material of high heat conduction, plays insulation and heat transfer process; Described connection row 110 is the flaky material of aluminium or copper.Described some heat sinking batteries 100 are as required by connecting row 110 connection in series-parallel combination, and by bolt, connection row 110 is fixed with the first screwed hole 336 of gland 33 end and the second screwed hole 511 of negative electrode 51 end, keep the end face good contact connecting row 110 and gland 33 and negative electrode 51; Described connection row 110 is by the biside plate close contact of insulation cushion and casing, and the heat produced by heat sinking battery 100 is passed to casing 200 by connection row 110 and insulation cushion, and passes through casing 200 self-radiating.
Battery pack is when carrying out high current charge-discharge, and the heat that heat sinking battery 100 produces is passed to Battery case 200 by connection row 110 and insulation cushion by heat sinking battery 100, and by Battery case 200 self-radiating; The safety valve of air pressure by gland 33 is installed of battery 20 inside, and the groove 338 offered, the air pressure release produced battery 20 inside, plays safety anti-explosive effect, thus solves sealed cell case to battery heat radiation and an explosion-proof difficult problem.
To sum up, the present invention, by battery safety valve concave design, coordinates the exhausting problem solving end-face heat sinking with safety valve by groove, and by connecting row, insulation cushion heat conduction, by Battery case self-radiating feature, the effective sealed cell case that solves dispels the heat and an explosion-proof difficult problem.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to technical spirit of the present invention, within the spirit and principles in the present invention, to any simple amendment that above embodiment is done, equivalent replacement and improvement etc., within the protection range all still belonging to technical solution of the present invention.
Claims (6)
1. an omniseal battery case, it is characterized in that: Battery case (200), insulation cushion, some connection row (110) and some heat sinking batteries (100), described some heat sinking batteries (100) are as required by connecting row's (110) connection in series-parallel combination, keep the end face good contact of the both positive and negative polarity connecting row (110) and heat sinking battery (100), describedly connect the biside plate close contact of row (110) by insulation cushion and casing, the heat that heat sinking battery (100) produces is passed to casing (200) by connection row (110) and insulation cushion, by casing (200) self-radiating, described insulation cushion is silica gel material or the ceramic material of high heat conduction, play insulation and heat transfer process.
2. omniseal battery case according to claim 1, it is characterized in that, heat sinking battery (100) comprises housing (10), battery (20), positive terminal (30) and negative pole end (50), described positive terminal (30) comprises anode collection sheet (31), gland (33), described anode collection sheet (31) is fixed with the positive pole of described battery (20), described gland (33) is electrically connected with anode collection sheet (31), described negative pole end (50) comprises negative pole currect collecting sheet (51), negative electrode (52), this negative pole currect collecting sheet (51) and negative electrode (52) coaxial laser are welded or the two is one-body molded.
3. omniseal battery case according to claim 2, it is characterized in that, described gland (33) is aluminum alloy materials, comprises disk (331) and boss (333), described disk (331) rounded sheet, the circumference profile edge of this disk (331) has a circle groove (3311); Described boss (333) is in round table-like, the diameter of this boss (333) is less than disk (331), and one-body molded design coaxial with disk (331), the central axial direction of described boss (333) offers the second through hole (335), described positive terminal (30) also comprises a safety valve (35), and depression is installed in described second through hole (335).
4. omniseal battery case according to claim 3, is characterized in that, the end face of described boss (333) also offers the first screwed hole (336), exports connection row for installing self-contained battery or connects battery output lead.
5. the omniseal battery case according to claim 3 or 4, it is characterized in that, the end face of described boss (333) offers the first screwed hole (336) and also comprises a groove (338), this groove is in the end-face diameter of boss (333) to offering, and be communicated with, for deriving the gas that safety valve (35) is discharged in the second through hole (335).
6. omniseal battery case according to claim 2, it is characterized in that, described negative pole end (50) comprises negative pole currect collecting sheet (51), negative electrode (52), insulation cushion (53), this negative pole currect collecting sheet (51) and negative electrode (52) coaxial laser are welded or the two is one-body molded, negative pole currect collecting sheet (51), negative electrode (52) are copper product, 3rd sealing gasket (53) is a plastic insulation material, and it is wrapped in negative pole currect collecting sheet (51) circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004788.3U CN204289570U (en) | 2015-01-06 | 2015-01-06 | Omniseal battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004788.3U CN204289570U (en) | 2015-01-06 | 2015-01-06 | Omniseal battery case |
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| Publication Number | Publication Date |
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| CN204289570U true CN204289570U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520004788.3U Active CN204289570U (en) | 2015-01-06 | 2015-01-06 | Omniseal battery case |
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| CN (1) | CN204289570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783225A (en) * | 2016-11-09 | 2017-05-31 | 清华大学 | A kind of lithium-ion capacitor method for packing |
| CN109698640A (en) * | 2018-12-29 | 2019-04-30 | 西安鸿钧睿泽新材料科技有限公司 | The closed pure physical process thermoelectric conversion device of one kind and method |
-
2015
- 2015-01-06 CN CN201520004788.3U patent/CN204289570U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783225A (en) * | 2016-11-09 | 2017-05-31 | 清华大学 | A kind of lithium-ion capacitor method for packing |
| CN109698640A (en) * | 2018-12-29 | 2019-04-30 | 西安鸿钧睿泽新材料科技有限公司 | The closed pure physical process thermoelectric conversion device of one kind and method |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211008 Address after: 266071 floor 3, building 5, No. 162, Qiyunshan Second Road, aoshanwei street, Jimo District, Qingdao City, Shandong Province Patentee after: Yinhe Chengtai (Shandong) Technology Co.,Ltd. Address before: 411100 PTA library, No. 38, Shu Yuan Road, Xiangtan high tech Zone, Hunan Patentee before: XIANGTAN YINHE NEW ENERGY Co.,Ltd. |