CN201773872U - Battery device - Google Patents
Battery device Download PDFInfo
- Publication number
- CN201773872U CN201773872U CN2010202463560U CN201020246356U CN201773872U CN 201773872 U CN201773872 U CN 201773872U CN 2010202463560 U CN2010202463560 U CN 2010202463560U CN 201020246356 U CN201020246356 U CN 201020246356U CN 201773872 U CN201773872 U CN 201773872U
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- CN
- China
- Prior art keywords
- safety container
- cell apparatus
- flat plate
- heat
- battery
- 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.)
- Expired - Fee Related
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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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- Secondary Cells (AREA)
Abstract
The utility model provides a battery device provided with a safety container, wherein the structure is simple; even if a battery has thermal runaway, accidents such as battery burning and explosion can be avoided; and the battery pack has the advantages of large heat dissipation area, high heat dissipation rate, etc. The utility model is realized through a technical scheme as follows: the battery device includes more than one battery unit and the safety container, wherein the safety container is a closed container, and the battery unit is arranged in an inner cavity of the safety container; and the inner cavity of the safety container is a closed oxygen-free space. The battery device includes a heat sink, which is locally arranged in the inner cavity of the safety container and can be in heat-conducting connection with the outer surface of the battery unit; and the rest of the heat sink stretches out of the safety container for heat dissipation.
Description
Technical field
The utility model belongs to battery heat dissipation technology field, is specifically related to a kind of cell apparatus, especially a kind of battery pack of subsidiary safety container.
Background technology
Along with battery technology development with rapid changepl. never-ending changes and improvements, most electric installations all adopt powered battery or it are served as and are stand-by power supply, make high power capacity, the application of powerful battery pack is more extensive, but usually since battery when discharging and recharging, particularly battery overcharges, the inside battery material will produce violent exothermic reaction, form " thermal runaway " phenomenon, cause the battery burning, accidents such as blast.Even do not overcharge during battery charge, because the heat that battery produces discharging and recharging is not in time taken away, and make the too high or battery of the operating ambient temperature of described battery be subjected to the external force extruding, the inside battery material is owing to the thermal stability reason, will form " thermal runaway " phenomenon equally, cause the battery burning, accidents such as blast.Because there is flaw in the inside battery material, particularly there is defective in the battery plus-negative plate manufacturing process, cause the short circuit of battery plus-negative plate physics easily, inside battery will produce violent exothermic reaction, under this hot conditions, electrolyte will vaporize or decompose, and the high temperature organic solvent of gaseous state will contact with airborne oxygen exothermic oxidation reaction takes place, and causes the battery phenomenon of catching fire to take place.For the battery pack of being made up of a plurality of cells, battery catches fire and will cause that other batteries fire burns.Therefore need further to improve the security performance of battery pack.
For overcome the battery pack prior art and and products thereof shortcoming and deficiency, a kind of battery pack of efficient and safety is provided, seem particularly important.
Summary of the invention
The purpose of this utility model is to provide a kind of cell apparatus, has safety container, and it is simple in structure, even battery generation thermal runaway phenomenon can not cause the battery burning yet, and accidents such as blast, and described battery pack area of dissipation is big, the radiating efficiency advantages of higher.
The utility model is achieved through the following technical solutions:
A kind of cell apparatus includes the battery unit more than, and a safety container; Wherein, described safety container is a closed container, and battery unit is arranged in the inner chamber of described safety container; The inner chamber of described safety container is airtight anaerobic space.
The inner chamber of described safety container is perfused with protective gas, protective gas be filled in battery unit around.
Described protective gas is inert gas or nitrogen or carbon dioxide.
The inner chamber of described safety container is a vacuum chamber, is the vacuum space around the battery unit.
Described cell apparatus includes heat abstractor, but the part of heat abstractor is arranged in the inner chamber of safety container and is connected with the outer surface heat transfer type ground of battery unit; Dispel the heat in the outside that the remainder of heat abstractor stretches out safety container.
To sum up, the beneficial effects of the utility model are:
A kind of cell apparatus of the present utility model, because the inner chamber of safety container is airtight anaerobic space, cell apparatus includes heat abstractor.Therefore:
One: the battery unit of the utility model cell apparatus environment no oxygen of living in, even battery unit generation thermal runaway phenomenon can not cause the battery burning, accidents such as blast yet; Its two: the utility model battery heat abstractor area of dissipation is big, and radiating effect is good, and heat abstractor discharges the heat that battery unit produced rapidly efficiently.
Description of drawings
Fig. 1 is a kind of cell apparatus perspective view of the utility model;
Fig. 2 is a kind of cell apparatus internal structure of the utility model generalized section.
Description of reference numerals:
1, flat thin flat plate, 2 containers, 4, radiating fin, 5 endotherm sections, 6 heat release section, 8, battery, 9 sealing devices, 21, loam cake, 22 lower covers.
Embodiment
The utility model discloses a kind of cell apparatus, include the battery unit more than, and a safety container; Wherein, described safety container is a closed container, and battery unit is arranged in the inner chamber of described safety container; The inner chamber of described safety container is airtight anaerobic space.
The inner chamber of described safety container is perfused with protective gas, protective gas be filled in battery unit around.
Described protective gas is inert gas or nitrogen or carbon dioxide.
The inner chamber of described safety container is a vacuum chamber, is the vacuum space around the battery unit.
Described cell apparatus includes heat abstractor, but the part of heat abstractor is arranged in the inner chamber of safety container and is connected with the outer surface heat transfer type ground of battery unit; Dispel the heat in the outside that the remainder of heat abstractor stretches out safety container.
First embodiment:
As shown in Figure 1, 2, the cell apparatus of present embodiment, battery unit is a kind of flat plate cell 8, described battery 8 integral body are positioned among the described safety container 2, seal chamber inner perfusion inert gas or nitrogen or carbon dioxide that described safety container 2 forms, described perfusion inert gas or nitrogen or carbon dioxide are with described flat plate cell 8 parcels.
Heat abstractor comprises the flat thin flat plate 1 more than, and the part of the safety container 2 that flat thin flat plate 1 is arranged in is an endotherm section 5, is positioned at the part heat release section 6 outside the safety container 2; The outer surface of the outer surface of described flat plate cell 8 and described flat thin flat plate endotherm section 5 is fitted.
Heat abstractor also comprises many group radiating fins 4, and described radiating fin 4 is arranged on the outer surface of flat thin flat plate 1 heat release section 6 by welding manner.Described radiating fin 4 adopts aluminiums to make and be shaped to corrugated, and described radiating fin 4 peripheries can be provided with fan etc. to be strengthened peripheral air and flow, and improves the heat abstractor radiating effect.
Described flat thin flat plate 1 inside is provided with heat pipe array, and described heat pipe array is that a plurality of cross sections of arranging are polygonal pore pipe.
A plurality of pore pipes of the inside of described flat thin flat plate become closed cavity, are marked with heat-transfer working medium in the described closed cavity.
With endotherm section 5 sealings of described a plurality of batteries and flat thin flat plate 1, the radiating fin 4 of heat abstractor places safety container 2 outsides of described upper and lower covers formation with the heat release section 6 of flat thin flat plate 1, and air direct and that peripheral environment is interior contacts.Adopt the via hole that forms between a plurality of sealing device 9 sealing loam cakes 21 and the flat thin flat plate 1, and loam cake 21, faying face adopts welding procedure or is provided with on the sealing device figure and expresses between the lower cover 22) with a plurality of cell integrated sealings, the feasible cell apparatus that has safety container can be applied to comparatively in the adverse circumstances.
Second embodiment:
The utility model embodiment two as shown in Figure 1, 2, a kind of battery pack that has safety container, include at least two flat plate cells 8 and a hermetically enclosed safety container 2, described flat plate cell 8 integral body are positioned among the described safety container 2, the seal chamber inside that described container forms forms vacuum by evacuation process, the described cell integrated vacuum environment that is in.
Described safety container 2 outsides of above embodiment include the pore that perfusion inert gas or nitrogen or carbon dioxide fill or vacuumize the hole, and described safety container 2 outer surfaces also are provided with the both positive and negative polarity jockey of battery pack.
Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to protection range of the present utility model.For example, the shape of pore pipe, the quantity of flat plate cell 8 and flat thin flat plate 1 etc.
Claims (10)
1. a cell apparatus includes the battery unit more than, and a safety container; It is characterized in that: described safety container is a closed container, and battery unit is arranged in the inner chamber of described safety container; The inner chamber of described safety container is airtight anaerobic space.
2. a kind of cell apparatus according to claim 1 is characterized in that: the inner chamber of described safety container is perfused with protective gas, protective gas be filled in battery unit around.
3. a kind of cell apparatus according to claim 2 is characterized in that: described protective gas is inert gas or nitrogen or carbon dioxide.
4. a kind of cell apparatus according to claim 1 is characterized in that: the inner chamber of described safety container is a vacuum chamber, is the vacuum space around the battery unit.
5. according to any one described a kind of cell apparatus in the claim 1 to 4, it is characterized in that: described cell apparatus includes heat abstractor, but the part of heat abstractor is arranged in the inner chamber of safety container and is connected with the outer surface heat transfer type ground of battery unit; Dispel the heat in the outside that the remainder of heat abstractor stretches out safety container.
6. a kind of cell apparatus according to claim 5 is characterized in that: described battery unit is a kind of flat plate cell (8).
7. a kind of cell apparatus according to claim 6 is characterized in that: described safety container (2) comprises that loam cake (21) and lower cover (22) pass through mechanical means or adopt welding manner with loam cake (21), and lower cover (22) sealing forms closed container.
8. a kind of cell apparatus according to claim 7, it is characterized in that: described heat abstractor comprises the flat thin flat plate (1) more than, the part of the safety container (2) that flat thin flat plate (1) is arranged in is endotherm section (5), is positioned at the outer part heat release section (6) of safety container (2); The outer surface of the outer surface of described flat plate cell (8) and described flat thin flat plate endotherm section (5) is fitted.
9. a kind of cell apparatus according to claim 8 is characterized in that: described heat abstractor also comprises many group radiating fins (4), and described radiating fin (4) is arranged on the outer surface of flat thin flat plate (1) heat release section (6) by welding manner; Described radiating fin (4) adopts aluminium to make and be shaped to corrugated, and described radiating fin (4) periphery is provided with fan.
10. a kind of cell apparatus according to claim 9 is characterized in that: described flat thin flat plate (1) inside is provided with heat pipe array, and described heat pipe array is that a plurality of cross sections of arranging are polygonal pore pipe; A plurality of pore pipes of the inside of described flat thin flat plate become closed cavity, are marked with heat-transfer working medium in the described closed cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202463560U CN201773872U (en) | 2010-07-01 | 2010-07-01 | Battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202463560U CN201773872U (en) | 2010-07-01 | 2010-07-01 | Battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201773872U true CN201773872U (en) | 2011-03-23 |
Family
ID=43753715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202463560U Expired - Fee Related CN201773872U (en) | 2010-07-01 | 2010-07-01 | Battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201773872U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086780A1 (en) * | 2011-12-16 | 2013-06-20 | 上海奥威科技开发有限公司 | Power supply |
| CN108428965A (en) * | 2018-03-09 | 2018-08-21 | 欣旺达电子股份有限公司 | Battery apparatus |
| CN110120567A (en) * | 2019-05-09 | 2019-08-13 | 华东交通大学 | One kind being based on phase-change heat transfer and CO218650 battery modules of thermal protection |
-
2010
- 2010-07-01 CN CN2010202463560U patent/CN201773872U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086780A1 (en) * | 2011-12-16 | 2013-06-20 | 上海奥威科技开发有限公司 | Power supply |
| CN108428965A (en) * | 2018-03-09 | 2018-08-21 | 欣旺达电子股份有限公司 | Battery apparatus |
| CN110120567A (en) * | 2019-05-09 | 2019-08-13 | 华东交通大学 | One kind being based on phase-change heat transfer and CO218650 battery modules of thermal protection |
| CN110120567B (en) * | 2019-05-09 | 2024-04-02 | 华东交通大学 | Based on phase transition heat transfer and CO 2 18650 battery module with heat protection function |
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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: Bengbu Dehao Photoelectric Science & Technology Co., Ltd. Assignor: Guangdong Electech International Inc. Contract record no.: 2012340000308 Denomination of utility model: Battery device Granted publication date: 20110323 License type: Exclusive License Record date: 20120816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20140701 |
|
| EXPY | Termination of patent right or utility model |