CN102157762A - Low-consumption cooling air cycle refrigeration automatic control system for high-capacity battery pack - Google Patents
Low-consumption cooling air cycle refrigeration automatic control system for high-capacity battery pack Download PDFInfo
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- CN102157762A CN102157762A CN2011100663241A CN201110066324A CN102157762A CN 102157762 A CN102157762 A CN 102157762A CN 2011100663241 A CN2011100663241 A CN 2011100663241A CN 201110066324 A CN201110066324 A CN 201110066324A CN 102157762 A CN102157762 A CN 102157762A
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- refrigerator
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Abstract
The invention mainly discloses a low-consumption - cooling air cycle refrigeration automatic control system for a high-capacity battery pack. The automatic control system comprises a refrigerator, a cooling air delivery pipe, an air moisture filter, a cooling battery box and a cooling air delivery pipe, wherein a cooling air outlet of the refrigerator is connected in the cooling battery box provided with a battery module by the cooling air delivery pipe, and then is connected inside the refrigerator by a cyclic return pipe from the cooling battery box. The automatic control system is applied to working conditions of various large-current and high-capacity power and high-capacity energy-storage polymer lithium ion battery packs; in the automatic control system, the same refrigerator is utilized to cool the battery pack which is formed by connecting a plurality of batteries together in parallel and in series, thus the battery pack core has high cooling efficiency, the energy consumption power is low, the sealing property is good, and the stable circulation cooling is realized by a timing sequence; and the cooling system structure can solve the blind angle of the potential safety hazards in a traditional cooling process.
Description
Technical field
The present invention relates to the battery refrigeration technology field, special and a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration system is relevant.
Background technology
In globalization petroleum-based energy anxiety, under the situation of China's energy industry great development, be that the electric motor car energy and special trade and communication industry all begin to use widely to the powerful chemical power source of high-energy.At present, both at home and abroad in the industrial production of high-energy polymer lithium ion battery, series connection realizes the packaging technology of its battery pack by battery from improving voltage, the raising capacity is realized by assembled battery in parallel, and in doing the battery pack that voltage, big capacity, high power three condition possesses simultaneously now, the cooling of its assembled battery group connects just to become needs one of difficult problem that solves at emphasis.
Polymer Li-ion battery in the connection in series-parallel process of battery pack of housing is packed in formation into, mode such as that traditional type of cooling generally has is air-cooled, water-cooled.The type of cooling different with the environment for use different choice according to structure.After using conventional fan process for cooling solution to have the battery pack set, the power consumption coherence request height of electric fan, noise is big, particularly uses embody obvious especially in high power battery group (8000AH).Use traditional recycled water cooling process solution to exist battery pack set back water-cooling system huge, the sealing of water-cooling system is with high costs for large-capacity battery pack, the group technology complexity, electricity anti-leak (formation battery short circuit) security performance requires high, need the power consumption of overall system big simultaneously, particularly use embody obvious especially in high power battery group (8000AH).
Therefore, in the design complexity of polymer Li-ion large-capacity battery pack combination cooling system because of traditional syndeton, on the use application process, be subjected to more restriction, become one of research difficult point of present solution " high-energy, high power, big electric current " polymer lithium ion power cell design of Cooling System.
Summary of the invention
The purpose of patent of the present invention and the technical problem that will solve are: at existing high power capacity, high power, the problem that exists on the polymer Li-ion battery group cooling system interconnection technique of big current work load, a kind of various big electric currents that are suitable for are proposed, high power capacity power and energy storage polymer Li-ion large-capacity battery pack condition of work, finish cooling with same refrigerator by the battery pack after a plurality of battery strings parallel connections, make battery core assembly radiating efficiency height, power consumption power is low, favorable sealing property, sequential realizes that the circulation cooling is stable, solves the cooling system structure at tradition cooling process safety hidden danger dead angle.
To achieve these goals, solution of the present invention is:
A kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration system comprises that refrigerator, cold air feed tube, air moisture filter, cool batteries casing, cold air carries return pipe; The cold air outlet of refrigerator is connected in the cool batteries casing that battery module is housed by the cold air feed tube, is connected to refrigerator inside from the cool batteries casing through the circulation return pipe again.
Described refrigerator, the cold air of its output are inserted in the cool batteries casing by the cold air feed tube after filtering through the air moisture filter again.
Described cool batteries casing is several, form cool batteries casing group, cold air is input to first cool batteries casing, and the cold air feed tube is linked into the input of next cool batteries casing from the output of a last cool batteries casing, each casing is connected in series successively, and the output of last cool batteries casing is connected in the refrigerator through the circulation return pipe.
The described circulation return pipe that is connected on the refrigerator is connected to the air moisture filter on it, reflux gas is back to refrigerator inside after filtering through the air moisture filter again.
Described battery module comprises a plurality of battery core bodys, adopts the double faced adhesive tape stationary positioned between the battery core body.
Described cold air feed tube employing connector is connected with the cool batteries casing.Wherein, the connector model that can select for use the new big plastic pipe Co., Ltd in Zhejiang to produce is that the model that 20-1000 bump joint and Jiaxing Hu Moer Electric Applicance Co., Ltd produce is the supporting use of HEM-SM-M36 gladhand.
Described cooling feed tube is the single tube cooling.
Described cooling feed tube is the multitube cooling.
In the described battery module temperature sensor is installed, temperature sensor detects high temperature, forms the circularly cooling enabling signal, and temperature sensor detects low temperature, forms the refrigeration stop signal, and the signal of temperature sensor sends in the refrigerator.
The present invention adopts technique scheme, has many beneficial effects: 1. realize the quick cooling of battery module in each cool batteries casing of battery pack; 2. with the cold air of a refrigerator output cheaply, solve the integrated middle huge difficult problem of cooling system of battery pack; 3. change the refrigeration modes of traditional battery pack system; 4. effectively control battery pack environmental work condition, improve the discharge capacity of battery pack, cycle life, reliability and fail safe; 5. do not have waste gas and discharge realization circulation cooling;
The refrigeration application that is suitable for various batteries and battery pack system.
Description of drawings
Fig. 1 is the structural representation of preferred embodiment of the present invention;
Fig. 2 is the process chart of preferred embodiment cooling of the present invention;
Fig. 3 is the battery module schematic diagram of preferred embodiment of the present invention;
Fig. 4 is the schematic diagram of preferred embodiment cool batteries casing group of the present invention;
Fig. 5 is the schematic diagram of preferred embodiment cool batteries casing group of the present invention.
Embodiment
In conjunction with Fig. 1～Fig. 2, the present invention is described in further details.
A kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration system comprises that refrigerator 1, delivery air moisture filter 2, cool batteries casing 3, cold air feed tube 4, cold air carries return pipe 5, return air moisture filter 6.The present invention mainly is that the battery module that will be installed in the cool batteries casing 3 cools, and forms a circulating cooling system.
Refrigerator 1 is a kind of device that produces and can keep low temperature, the refrigerator technology is comparatively ripe, can adopt the supporting use of refrigerator of Xinxiang, the Henan refrigeration TRANSPORTREFRIGERATIONCI20/C280 of Co., Ltd refrigerator car refrigerating units and the big refrigeration plant of the Shenyang space 120K of factory model among the present invention.
Refrigerator 1 has cold air outlet, backflow input port and additional air entry.Cold air outlet is to be used for making to such an extent that cold air outputs to the external world, and the backflow input port is to be used to reclaim recyclegas, and additional air entry is to suck the outside gas that is used to freeze.
The cold air that produces in the refrigerator 1 at first passes through in the delivery air moisture filter 2, carry out separating of air and moisture, prevents that moisture from circulating along with gas enters.Delivery air moisture filter 2 all is identical parts with return air moisture filter 6 in the present embodiment, and adopting Lip river, Hangzhou general air machinery Co., Ltd model is that the grand aero-mechanical JMFL of Co., Ltd of PHF7-150 cloud candle filter and mountain, Taiwan serial model No. is the supporting use of T level 900L air pipe line filter.
Cold air after 2 outputs of delivery air moisture filter is linked in the cool batteries casing 3 by cold air feed tube 4.General cool batteries casing 3 has a plurality of, form a cool batteries casing group, cold air feed tube 4 is connected to the input port of next cool batteries casing 3 from the delivery outlet of a last cool batteries casing 3, be in series successively, be arranged in last cool batteries casing 3, the gas of its output returns in the refrigerator 1 through circulation return pipe 5 foldbacks.On circulation return pipe 5, connect return air moisture filter 6, separate moisture and air in the reflux gas equally.
Battery module in the cool batteries casing 3 among the present invention mainly is to comprise a plurality of battery chips, between each battery chip is to adopt the double faced adhesive tape stationary positioned, and does not have welding operation composition.Cold air feed tube 4 is to adopt a kind of simple general use connector 7 to be formed by connecting, and this connector 7 is that the model that can select for use the new big plastic pipe Co., Ltd in Zhejiang to produce is that the model that 20-1000 bump joint and Jiaxing Hu Moer Electric Applicance Co., Ltd produce is the supporting use of HEM-SM-M36 gladhand.Cold air feed tube 4 adopts connector 7 to be connected with cool batteries casing 3.
In addition, the cooling feed tube can adopt the form of single tube, or the multitube form is cooled off side by side.For the intellectuality that realizes freezing, in cool batteries casing 3, in the battery module temperature sensor is installed, temperature sensor is the temperature signal that detects battery module, when temperature sensor detects temperature and is higher than the high temperature set point, need freeze, just form the circularly cooling enabling signal, send in the refrigerator 1.When temperature sensor detects temperature and is lower than the low temperature set point, show that refrigeration is enough, just form the refrigeration stop signal, send in the refrigerator 1.
The foregoing description only is used to the inventive concept of the present invention of explaining, but not to the qualification of rights protection of the present invention, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should fall into protection scope of the present invention.
Claims (9)
1. a large-capacity battery pack low consumption circulating cold air automatic control in refrigeration system is characterized in that: comprise refrigerator, cold air feed tube, air moisture filter, cool batteries casing, cold air conveying return pipe; The cold air outlet of refrigerator is connected in the cool batteries casing that battery module is housed by the cold air feed tube, is connected to refrigerator inside from the cool batteries casing through the circulation return pipe again.
2. a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration as claimed in claim 1 system, it is characterized in that: described refrigerator, the cold air of its output are inserted in the cool batteries casing by the cold air feed tube after filtering through the air moisture filter again.
3. a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration as claimed in claim 1 system, it is characterized in that: described cool batteries casing is several, form cool batteries casing group, cold air is input to first cool batteries casing, and the cold air feed tube is linked into the input of next cool batteries casing from the output of a last cool batteries casing, each casing is connected in series successively, and the output of last cool batteries casing is connected in the refrigerator through the circulation return pipe.
4. a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration as claimed in claim 1 system, it is characterized in that: the described circulation return pipe that is connected on the refrigerator, be connected to the air moisture filter on it, reflux gas is back to refrigerator inside after filtering through the air moisture filter again.
5. a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration as claimed in claim 1 system, it is characterized in that: described battery module comprises a plurality of battery core bodys, adopts the double faced adhesive tape stationary positioned between the battery core body.
6. a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration as claimed in claim 1 system is characterized in that: described cold air feed tube adopts being connected of connector and cool batteries casing.
7. a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration as claimed in claim 1 system, it is characterized in that: described cooling feed tube is the single tube cooling.
8. a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration as claimed in claim 1 system, it is characterized in that: described cooling feed tube is the multitube cooling.
9. a kind of large-capacity battery pack low consumption circulating cold air automatic control in refrigeration as claimed in claim 1 system, it is characterized in that: in the described battery module temperature sensor is installed, temperature sensor detects high temperature, form the circularly cooling enabling signal, temperature sensor detects low temperature, form the refrigeration stop signal, the signal of temperature sensor sends in the refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100663241A CN102157762A (en) | 2011-03-18 | 2011-03-18 | Low-consumption cooling air cycle refrigeration automatic control system for high-capacity battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100663241A CN102157762A (en) | 2011-03-18 | 2011-03-18 | Low-consumption cooling air cycle refrigeration automatic control system for high-capacity battery pack |
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| CN102157762A true CN102157762A (en) | 2011-08-17 |
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| CN2011100663241A Pending CN102157762A (en) | 2011-03-18 | 2011-03-18 | Low-consumption cooling air cycle refrigeration automatic control system for high-capacity battery pack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300097A (en) * | 2014-06-24 | 2015-01-21 | 中航锂电（洛阳）有限公司 | Flame retardant battery box and flame retardant power battery system |
| CN110492198A (en) * | 2019-08-21 | 2019-11-22 | 弥富科技(浙江)股份有限公司 | A kind of air cooling system for battery pack |
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| US6569556B2 (en) * | 2001-01-29 | 2003-05-27 | General Motors Corporation | Cooling system for a battery pack |
| JP2003346923A (en) * | 2002-05-22 | 2003-12-05 | Matsushita Electric Ind Co Ltd | Cooling device of battery pack and secondary battery |
| CN101049799A (en) * | 2006-04-05 | 2007-10-10 | 本田技研工业株式会社 | Vehicular power source device |
| CN200976387Y (en) * | 2006-12-07 | 2007-11-14 | 比亚迪股份有限公司 | Batteries bag refrigerating mechanism |
| US20090317697A1 (en) * | 2008-06-23 | 2009-12-24 | Gm Global Technology Operations, Inc. | Vehicular combination chiller bypass system and method |
| CN201491439U (en) * | 2009-06-17 | 2010-05-26 | 谢逢华 | Super energy-saving constant temperature system for outdoor communication device |
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2011
- 2011-03-18 CN CN2011100663241A patent/CN102157762A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6569556B2 (en) * | 2001-01-29 | 2003-05-27 | General Motors Corporation | Cooling system for a battery pack |
| JP2003346923A (en) * | 2002-05-22 | 2003-12-05 | Matsushita Electric Ind Co Ltd | Cooling device of battery pack and secondary battery |
| CN101049799A (en) * | 2006-04-05 | 2007-10-10 | 本田技研工业株式会社 | Vehicular power source device |
| CN200976387Y (en) * | 2006-12-07 | 2007-11-14 | 比亚迪股份有限公司 | Batteries bag refrigerating mechanism |
| US20090317697A1 (en) * | 2008-06-23 | 2009-12-24 | Gm Global Technology Operations, Inc. | Vehicular combination chiller bypass system and method |
| CN201491439U (en) * | 2009-06-17 | 2010-05-26 | 谢逢华 | Super energy-saving constant temperature system for outdoor communication device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300097A (en) * | 2014-06-24 | 2015-01-21 | 中航锂电（洛阳）有限公司 | Flame retardant battery box and flame retardant power battery system |
| CN104300097B (en) * | 2014-06-24 | 2017-05-31 | 中航锂电（洛阳）有限公司 | Flame-proof battery case and fire-retardant electrokinetic cell system |
| CN110492198A (en) * | 2019-08-21 | 2019-11-22 | 弥富科技(浙江)股份有限公司 | A kind of air cooling system for battery pack |
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Application publication date: 20110817 |