CN104466299B - Medium hybrid automobile and power battery thermal management system thereof - Google Patents
Medium hybrid automobile and power battery thermal management system thereof Download PDFInfo
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- CN104466299B CN104466299B CN201410721148.4A CN201410721148A CN104466299B CN 104466299 B CN104466299 B CN 104466299B CN 201410721148 A CN201410721148 A CN 201410721148A CN 104466299 B CN104466299 B CN 104466299B
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- battery modules
- battery
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- battery module
- cooling
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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 invention provides a power battery thermal management system of a medium hybrid automobile. The power battery thermal management system comprises a first battery module and a second battery module which are sequentially arranged, wherein an air inlet partition plate which is connected with the top of the second battery module and covers a cooling air inlet of the second battery module extends out of the bottom of the first battery module; the first battery module is cooled through the cooling air and the cooling air flows out, and the cooling air is blocked by the air inlet partition plate and flows out of the top of the second battery module. When the second battery module is cooled, the cooling air is introduced into a middle part of the air inlet partition plate and the bottom wall of the second battery module and flows out; by utilizing the arrangement of the air inlet partition plate, the cooling of the first battery module and the cooling of the second battery module are independent of each other and are not interfered with each other; by controlling the flow rate of the cooling air, the cooling air volumes of the first battery module and the second battery module are consistent; when the maximum temperatures of the first battery module and the second battery module are reduced, the temperature difference of the inner parts of the first battery module and the second battery module is reduced, so that the efficiency and the reliability of the battery system are improved. The invention also provides the medium hybrid automobile.
Description
Technical field
The present invention relates to Development of HEV Technology field, more particularly, it relates to mixed automobile and its power current in one kind
Pond heat management system.
Background technology
Electrokinetic cell system is the critical component of moderate hybrid electric vehicle (mixing automobile in referred to as), and it is responsible for driving electricity
Machine, and receive the excess energy of motor recovery.The temperature of battery system is the principal element affecting its efficiency and reliability, mainly
Including the temperature difference between the maximum temperature in battery bag and internal monomer.The too high excessive temperature differentials and between monomer of maximum temperature all can shadow
Ring dependability and the efficiency of battery system.Maximum temperature in battery bag is too high, may affect the performance of battery core, reduces
Its life-span；Between battery cell, temperature distributing disproportionation is likely to result in the electric energy difference of each monomer, thus causing whole bag electric energy not
Balance, concordance is poor, affects battery bag performance, thus affecting car load dynamic economicses.Lot of experiments proves, the work temperature of battery
Degree scope is between 25 DEG C to 40 DEG C, and when the temperature difference between battery cell is not higher than 5 DEG C, the performance of battery is optimal.
Current moderate hybrid electric vehicle power battery thermal management system mostly adopt single entry single exit series connection or
Person's hybrid connected structure.Said structure according to the real time temperature in battery bag, by controlling the unlatching of blower fan and the rotating speed of adjustment blower fan
To change cooling air delivery in real time.In order that battery bag mean temperature reduces it is necessary to improve rotation speed of fan, increase cooling air
Flow, but this increases battery bag internal difference in temperature.If it is desired to ensure the requirement of maximum temperature and maximum temperature difference simultaneously, difficulty is relatively
Greatly.
Therefore, how to realize regulating cell temperature to be operated in optimum temperature range, and reduce internal difference in temperature, be current basis
Skilled person's problem demanding prompt solution.
Content of the invention
In view of this, the invention provides mixing automobile power cell heat management system in one kind, to realize regulating cell temperature
Degree is operated in optimum temperature range, and reduces internal difference in temperature；Present invention also offers mixing automobile in one kind.
In order to achieve the above object, the present invention provides following technical scheme：
Mixed automobile power cell heat management system, the first battery modules including the arrangement of order and the second battery in one kind
Module, the bottom of described first battery modules is extended with the top connecting to described second battery modules, and covers at described the
Air inlet dividing plate on the cooling air intake of two battery modules.
Preferably, in mixed automobile power cell heat management system in above-mentioned, the diapire of described first battery modules and institute
The cooling duct of the cooling air intake being communicated to described second battery modules is surrounded between the diapire stating the second battery modules.
Preferably, mix in automobile power cell heat management system in above-mentioned, the upper channel of described cooling duct includes institute
State the diapire of the first battery modules and the inwall of described air inlet dividing plate, the diapire of described air inlet dividing plate and described second battery modules
Between cooling duct be cooling duct along airintake direction flaring.
Preferably, in mixed automobile power cell heat management system in above-mentioned, described air inlet dividing plate and described second battery
It is provided with polylith between the diapire of module cooling air to be carried out guide the distributing damper of shunting.
Preferably, mix in automobile power cell heat management system in above-mentioned, the cooling air of described first battery modules
Entrance is located at same Inlet Position with the entrance of described cooling duct.
Preferably, mix in automobile power cell heat management system in above-mentioned, described first battery modules and described second
Battery modules all include the polylith battery cell being vertically stacked arrangement, described first battery modules and the second battery modules
Top flush arrangement.
Mixed automobile in one kind, the electrokinetic cell management system being provided with motor and driving cooperation with motor
System, described power battery management system be as above described in any one in mixed automobile power cell management system.
The present invention mixed automobile power cell heat management system in providing, the first battery modules including the arrangement of order and
Second battery modules, the bottom of the first battery modules is extended with the top connecting to the second battery modules, and covers at the second electricity
Air inlet dividing plate on the cooling air intake of pond module.First battery modules and the second battery modules order are arranged, cooling air
When cooling down to the two, after cooling air flows out to the first battery modules cooling, stopped by air inlet dividing plate, by the second electricity
The top of pond module is flowed out.Air inlet dividing plate is located on the cooling air intake of the second battery modules, therefore to the second battery
When module is passed through cooling air, cooling air is passed through between the diapire by air inlet dividing plate and the second battery modules, to the second electricity
Flow out after the cooling of pond module, by the arrangement of air inlet dividing plate so that cooling air during being passed through by the cooling air of the two
Entrance is individually passed through so that the cooling of the first battery modules and the second battery modules is separate, non-interference, by cooling
The control of air mass flow, so that the first battery modules are consistent with the cooling air quantity of the second battery modules, is reducing the two
While maximum temperature, reduce the two internal temperature difference, improve efficiency and the reliability of battery system.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of mixed automobile power cell heat management system in present invention offer.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiments of the invention, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Apply example, broadly fall into the scope of protection of the invention.
As shown in figure 1, Fig. 1 is the structural representation of mixed automobile power cell heat management system in present invention offer.
The invention provides mixing automobile power cell heat management system in one kind, including the first battery mould of the arrangement of order
Group 3 and second battery modules 6, the bottom of the first battery modules 3 is extended with the top connecting to the second battery modules 6, and covers and set
Air inlet dividing plate 5 on the cooling air intake of the second battery modules 6.First battery modules 3 and the second battery modules 6 order cloth
Put, when cooling down to the two, cooling air cools down after flowing out cooling air to the first battery modules 3, by air inlet dividing plate 5
Stop, flowed out by the top of the second battery modules 6.Air inlet dividing plate 5 is located on the cooling air intake of the second battery modules 6,
Therefore when being passed through cooling air to the second battery modules 6, cooling air is by the bottom by air inlet dividing plate 5 and the second battery modules 6
It is passed through between wall, flow out to after the second battery modules 6 cooling, by the arrangement of air inlet dividing plate 5 so that cooling air had been passed through
Individually it is passed through by the cooling air intake of the two in journey so that the cooling of the first battery modules 3 and the second battery modules 6 is mutually only
Vertical, non-interference, by controlling so that the cooling wind of the first battery modules 3 and the second battery modules 6 to cooling air delivery
Amount is consistent, while reducing the maximum temperature of the two, reduces the two internal temperature difference, improve battery system efficiency and
Reliability.
For optimizing technique scheme further, between the diapire of the diapire of the first battery modules 3 and the second battery modules 6
Surround the cooling duct 1 of the cooling air intake being communicated to the second battery modules 6.First battery modules 3 and the second battery modules 6
Setting by air inlet dividing plate 5, it is to avoid the impact to the second battery modules 6 for the air of the outflow of the first battery modules 3, with
When, for avoiding corresponding first cooling air intake 2 of the first battery modules 3 and the second cooling air of the second battery modules 6 to enter
Mouthful single cooling blower is set, is surrounded and second by between the diapire of the first battery modules 3 and the diapire of the second battery modules 6
The cooling duct 1 of the second cooling air intake connection of battery modules 6, therefore can be empty in the first cooling of the first battery modules 3
Gas entrance 2 side arranges a cooling blower, and cooling air flows into the first battery modules 3 by the first cooling air intake 2, by cooling down
Passage 1 flows into the second cooling air intake, thus single cooling air currency structure need not individually be opened up, is not required to increase volume
Outer configuration.For optimizing technique scheme further, the upper channel of cooling duct 1 include the first battery modules 3 diapire and
The inwall of air inlet dividing plate 5, the cooling duct between the diapire of air inlet dividing plate 5 and the second battery modules 6 is along airintake direction flaring
Cooling duct.The upper channel of cooling duct 1 is surrounded by the diapire of the first battery modules 3 and the inwall of air inlet dividing plate 5, will simultaneously
Cooling duct between the diapire of air inlet dividing plate 5 inwall and the second battery modules 6 is set to gradual-enlargement type structure, and cooling air is by cold
But, after passage 1 enters, carry out guiding by air inlet dividing plate 5 and uniformly the second battery modules 6 are flowed into by the second cooling air intake
Interior it is ensured that each battery cell of the second battery modules 6 uniformly cools down.
For optimizing technique scheme further, between the diapire of air inlet dividing plate 5 and the second battery modules 6, it is provided with polylith
Cooling air is carried out guide the distributing damper 9 of shunting.For being further ensured that cooling air flows into the second battery by cooling duct 1
The uniformity of module 6, arranges polylith distributing damper 9, distributing damper 9 between the diapire of air inlet dividing plate 5 and the second battery modules 6
Be placed along cooling air flow direction flaring radiation structure, thus the cooling air in cooling duct 1 is uniformly led
Flow to the diverse location that the second battery modules 6 highly go up it is ensured that the cooling of each position of the second battery modules 6 is uniform.
For optimizing technique scheme, the cooling air intake of the first battery modules 3 and the entrance of cooling duct 1 further
Positioned at same Inlet Position.The position of the first cooling air intake 2 of the first battery modules 3 is set with the entrance of cooling duct 1
Put in same Inlet Position, the cooling air sent into by same cooling blower can be logical by the first cooling air intake 2 and cooling
The entrance in road 1 is simultaneously fed in the first battery modules and the second battery modules 6, need not set up extra blower fan structure, cooling
Structure is more simple.Meanwhile, blown by same cooling blower it is ensured that being flowed into the first battery modules 3 and the second battery modules 6
Cooling air initial temperature identical, it is to avoid the excessive temperature differentials of the first battery module 3 and the second battery module 6.
For optimizing technique scheme further, the first battery modules 3 and the second battery modules 6 are all included vertically
The polylith battery cell of arranged stacked, the top flush arrangement of the first battery modules 3 and the second battery modules 6.First battery mould
Group 3 and the second battery modules 6 are formed by polylith battery cell 7 arranged stacked, arrange the first battery modules 3 and the second electricity simultaneously
The top of pond module 6 is concordant, and that is, the overall height of the first battery modules 3 is less than the overall height of the second battery modules 6, by right
The quantitative proportion of the battery cell 7 in the two is controlled, in conjunction with the air-supply ratio of the first cooling air intake 2 and cooling duct 1
Example is controlled, and controls the access portal size of cooling duct 1, cooling air is shunted, realizes the first battery modules 3 He
The uniform purpose of amount of cooling water in second battery modules 6.
The workflow of the present embodiment mixed automobile power cell management system in providing is as follows, with electrokinetic cell work
Make, in battery bag, temperature gradually rises, when battery temperature reaches a certain marginal value, policy control blower fan starts, and now cools down
Air enters Battery case from entrance, respectively enters the first cooling air intake 2 and second battery modules of the first battery modules
The second cooling air intake.Cooling wind is entered after the second cooling air intake of the second battery modules 6 by cooling duct 1,
Under the shunting action of baffle plate 9, flow uniformly through each battery cell 7 of the second battery modules 6, take away heat and from the second battery mould
Second cooling air outlet 8 outflow of group；After cooling wind enters the first cooling air intake 2 of the first battery modules, uniform flow
Cross each battery cell of the first battery modules 3, take away heat the first cooling air outlet 4 stream from the first battery modules 3
Go out, after guiding through air inlet dividing plate 5 top that has the second battery modules 6 flow out.
Based on automobile power cell management system mixed in providing in above-described embodiment, present invention also offers mixed in one kind
Automobile, including being provided with motor and the power battery management system with motor driving cooperation, mixes automobile in this
The power battery management system being provided with is automobile power cell management system mixed in providing in above-described embodiment.
Mix automobile power cell management system because automobile mixed in this employs in above-described embodiment, so mixing vapour in this
The beneficial effect that the mixed automobile power cell management system of Che Youzhong is brought refer to above-described embodiment.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.Upper to the disclosed embodiments
State bright, so that professional and technical personnel in the field is capable of or use the present invention.To multiple modifications of these embodiments to ability
Will be apparent from for the professional and technical personnel in domain, generic principles defined herein can be without departing from the present invention's
In the case of spirit or scope, realize in other embodiments.Therefore, the present invention be not intended to be limited to shown in this article these
Embodiment, and it is to fit to the wide scope consistent with principles disclosed herein and features of novelty.
Claims (5)
1. mixed automobile power cell heat management system in a kind of is it is characterised in that the first battery modules of the arrangement of inclusion order
With the second battery modules, the bottom of described first battery modules is extended with the top connecting to described second battery modules, and covers
Air inlet dividing plate on the cooling air intake of described second battery modules, the diapire of described first battery modules and described
The cooling duct of the cooling air intake being communicated to described second battery modules is surrounded between the diapire of two battery modules, described cold
But the upper channel of passage includes the diapire of described first battery modules and the inwall of described air inlet dividing plate, described air inlet dividing plate and institute
State the cooling duct that the cooling duct between the diapire of the second battery modules is along airintake direction flaring.
2. mixed automobile power cell heat management system according to claim 1 it is characterised in that described air inlet dividing plate and
It is provided with polylith between the diapire of described second battery modules cooling air to be carried out guide the distributing damper of shunting.
3. mixed automobile power cell heat management system according to claim 1 is it is characterised in that described first battery mould
The cooling air intake of group is located at same Inlet Position with the entrance of described cooling duct.
4. mixed automobile power cell heat management system according to claim 1 is it is characterised in that described first battery mould
Group and described second battery modules all include the polylith battery cell that is vertically stacked arrangement, described first battery modules and
The top flush arrangement of the second battery modules.
5. mix automobile in one kind, be provided with motor and drive, with motor, the power battery management system coordinating,
It is characterized in that, described power battery management system be as described in any one in claim 1-4 in mixed automobile power electricity
Pond heat management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721148.4A CN104466299B (en) | 2014-12-02 | 2014-12-02 | Medium hybrid automobile and power battery thermal management system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721148.4A CN104466299B (en) | 2014-12-02 | 2014-12-02 | Medium hybrid automobile and power battery thermal management system thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104466299A CN104466299A (en) | 2015-03-25 |
| CN104466299B true CN104466299B (en) | 2017-02-08 |
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| CN201410721148.4A Active CN104466299B (en) | 2014-12-02 | 2014-12-02 | Medium hybrid automobile and power battery thermal management system thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601934A (en) * | 2016-12-12 | 2017-04-26 | 芜湖市吉安汽车电子销售有限公司 | Safety protective apparatus for combined battery pack used for new energy automobile |
| CN106915353B (en) * | 2017-03-30 | 2019-03-26 | 重庆长安汽车股份有限公司 | The calculation method of heat management available power, thermal management controller, heat management system |
| CN109659633B (en) * | 2018-12-17 | 2021-08-27 | 青岛港国际股份有限公司 | Automatic dock AGV battery temperature maintenance device and method |
| CN111907394B (en) * | 2019-05-07 | 2022-10-04 | 长沙智能驾驶研究院有限公司 | Airflow diversion system for refrigeration compartment, refrigeration compartment and refrigeration truck |
| CN112542632A (en) * | 2020-12-24 | 2021-03-23 | 湖北亿纬动力有限公司 | Liquid cooling battery box and battery package |
| CN113097605A (en) * | 2021-03-31 | 2021-07-09 | 阳光三星(合肥)储能电源有限公司 | Battery energy storage system |
| CN113485476B (en) * | 2021-06-22 | 2022-12-02 | 深圳市科陆电子科技股份有限公司 | Temperature difference control method, device, equipment and storage medium |
| CN117276751B (en) * | 2023-11-23 | 2024-01-26 | 江苏天合储能有限公司 | Battery cell cooling system and control method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001283940A (en) * | 2000-04-04 | 2001-10-12 | Japan Storage Battery Co Ltd | Set battery |
| JP4665289B2 (en) * | 2000-05-12 | 2011-04-06 | 株式会社Ｇｓユアサ | Assembled battery |
| CN203589175U (en) * | 2013-09-29 | 2014-05-07 | 奇瑞汽车股份有限公司 | Thermal management system of hybrid electric automobile battery pack |
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| CN104466299A (en) | 2015-03-25 |
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Effective date of registration: 20200109 Address after: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee after: Chongqing Chang'an Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: Chongqing Chang'an New Energy Automobile Co., Ltd. Patentee before: Chongqing Chang'an Automobile Co., Ltd. |