CN104466299A - Medium hybrid automobile and power battery thermal management system thereof - Google Patents
Medium hybrid automobile and power battery thermal management system thereof Download PDFInfo
- Publication number
- CN104466299A CN104466299A CN201410721148.4A CN201410721148A CN104466299A CN 104466299 A CN104466299 A CN 104466299A CN 201410721148 A CN201410721148 A CN 201410721148A CN 104466299 A CN104466299 A CN 104466299A
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- battery modules
- cooling
- management system
- battery
- battery module
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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, relate to mixed automobile and power battery thermal management system thereof in one.
Background technology
Electrokinetic cell system be moderate hybrid electric vehicle (referred to as in mixed automobile) critical component, it is responsible for drive motors, and receives the excess energy that motor reclaims.The temperature of battery system is the principal element affecting its efficiency and reliability, mainly comprises the maximum temperature in power brick and the temperature difference between inner monomer.Excessive temperature differentials between the too high and monomer of maximum temperature all can affect dependability and the efficiency of battery system.Maximum temperature in power brick is too high, may affect the performance of battery core, reduces its life-span; Between battery cell, temperature distributing disproportionation may cause the electric energy of each monomer different, thus causes whole bag electric energy uneven, and consistency is poor, affects power brick performance, thus affects car load dynamic economics.Lot of experiments proves, the operating temperature range of battery between 25 DEG C to 40 DEG C, and the temperature difference between battery cell not higher than 5 DEG C time, the performance of battery is best.
Current moderate hybrid electric vehicle power battery thermal management system adopts series connection or the hybrid connected structure of single entry single exit mostly.Said structure, according to the real time temperature in power brick, changes cooling air delivery in real time by the rotating speed of the unlatching and adjustment blower fan that control blower fan.In order to make power brick mean temperature reduce, must rotation speed of fan be improved, increase cooling air delivery, but this increasing power brick internal difference in temperature.If think the requirement ensureing maximum temperature and maximum temperature difference simultaneously, difficulty is larger.
Therefore, how realizing regulating cell temperature and be operated in optimum temperature range, and reduce internal difference in temperature, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides mixed automobile power cell heat management system in one, be operated in optimum temperature range to realize regulating cell temperature, and reduce internal difference in temperature; Present invention also offers mixed automobile in one.
In order to achieve the above object, the invention provides following technical scheme:
Mixed automobile power cell heat management system in one, comprise the first battery modules and second battery modules of the layout of order, the bottom of described first battery modules is extended with the top being connected to described second battery modules, and covers at the air inlet dividing plate on the cooling air intake of described second battery modules.
Preferably, mix in automobile power cell heat management system in above-mentioned, between the diapire of described first battery modules and the diapire of described second battery modules, surround the cooling duct of the cooling air intake being communicated to described second battery modules.
Preferably, mix in automobile power cell heat management system in above-mentioned, the upper channel of described cooling duct comprises the diapire of described first battery modules and the inwall of described air inlet dividing plate, and the cooling duct between the diapire of described air inlet dividing plate and described second battery modules is the cooling duct along airintake direction flaring.
Preferably, mix in automobile power cell heat management system in above-mentioned, be provided with polylith between the diapire of described air inlet dividing plate and described second battery modules and the distributing damper shunted that leads is carried out to cooling-air.
Preferably, mix in automobile power cell heat management system in above-mentioned, the cooling air intake of described first battery modules and the entrance of described cooling duct are positioned at same Inlet Position.
Preferably, mix in automobile power cell heat management system in above-mentioned, described first battery modules and described second battery modules include the polylith battery cell of vertically arranged stacked, the top flush arrangement of described first battery modules and the second battery modules.
In one, mixed automobile, is provided with drive motors and drives with drive motors the power battery management system coordinated, and described power battery management system mixes automobile power cell management system in as above described in any one.
Mixed automobile power cell heat management system in provided by the invention, comprise the first battery modules and second battery modules of the layout of order, the bottom of the first battery modules is extended with the top being connected to the second battery modules, and covers at the air inlet dividing plate on the cooling air intake of the second battery modules.First battery modules and the second battery modules are disposed in order, and cooling-air is when cooling the two, and cooling-air by the stop of air inlet dividing plate, is flowed out by the top of the second battery modules after flowing out the first battery modules cooling.Air inlet diaphragm mask is located on the cooling air intake of the second battery modules, therefore when passing into cooling-air to the second battery modules, cooling-air passes into by between air inlet dividing plate and the diapire of the second battery modules, flow out after the second battery modules cooling, by the layout of air inlet dividing plate, cooling-air is passed into separately by the cooling air intake of the two passing in process, make the cooling of the first battery modules and the second battery modules separate, non-interference, by the control to cooling air delivery, make the first battery modules consistent with the cooling air quantity of the second battery modules, while reaching the maximum temperature of both reductions, the temperature difference that both reductions are inner, improve efficiency and the reliability of battery system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 be provided by the invention in the structural representation of mixed automobile power cell heat management system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, Fig. 1 be provided by the invention in the structural representation of mixed automobile power cell heat management system.
The invention provides mixed automobile power cell heat management system in one, comprise the first battery modules 3 and the second battery modules 6 of the layout of order, the bottom of the first battery modules 3 is extended with the top being connected to the second battery modules 6, and covers at the 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 are disposed in order, and cooling-air is when cooling the two, and cooling-air by the stop of air inlet dividing plate 5, is flowed out by the top of the second battery modules 6 after cooling outflow to the first battery modules 3.Air inlet dividing plate 5 is located on the cooling air intake of the second battery modules 6, therefore when passing into cooling-air to the second battery modules 6, cooling-air passes into by between air inlet dividing plate 5 and the diapire 6 of the second battery modules, rear outflow is cooled to the second battery modules 6, by the layout of air inlet dividing plate 5, cooling-air is passed into separately by the cooling air intake of the two passing in process, make the cooling of the first battery modules 3 and the second battery modules 6 separate, non-interference, by the control to cooling air delivery, make the first battery modules 3 consistent with the cooling air quantity of the second battery modules 6, while reaching the maximum temperature of both reductions, the temperature difference that both reductions are inner, improve efficiency and the reliability of battery system.
For optimizing technique scheme further, between the diapire of the first battery modules 3 and the diapire of 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 pass through the setting of air inlet dividing plate 5, avoid the air of the outflow of the first battery modules 3 to the impact of the second battery modules 6, simultaneously, for the second cooling air intake of the first cooling air intake 2 and the second battery modules 6 of avoiding corresponding first battery modules 3 arranges independent cooling blower, the cooling duct 1 be communicated with the second cooling air intake of the second battery modules 6 is surrounded by between the diapire of the first battery modules 3 and the diapire of the second battery modules 6, therefore a cooling blower can be set in the first cooling air intake 2 side of the first battery modules 3, cooling-air flows into the first battery modules 3 by the first cooling air intake 2, the second cooling air intake is flowed into by cooling duct 1, thus offer independent cooling-air currency structure without the need to independent, do not need to increase extra configuration.For optimizing technique scheme further, the upper channel of cooling duct 1 comprises the diapire of the first battery modules 3 and the inwall of air inlet dividing plate 5, and the cooling duct between air inlet dividing plate 5 and the diapire of the second battery modules 6 is the cooling duct along airintake direction flaring.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, cooling duct between air inlet dividing plate 5 inwall and the diapire of the second battery modules 6 is set to gradual-enlargement type structure simultaneously, after cooling-air is entered by cooling duct 1, carry out guiding by air inlet dividing plate 5 to be flow in the second battery modules 6 by the second cooling air intake uniformly, ensure each battery cell Homogeneous cooling of the second battery modules 6.
For optimizing technique scheme further, being provided with polylith between air inlet dividing plate 5 and the diapire of the second battery modules 6 and the distributing damper 9 shunted that leads is carried out to cooling-air.For ensureing that cooling-air flows into the uniformity of the second battery modules 6 by cooling duct 1 further, between air inlet dividing plate 5 and the diapire of the second battery modules 6, polylith distributing damper 9 is set, the radiation structure being arranged as the flaring flowed to along cooling-air of distributing damper 9, thus by uniform for the cooling-air in cooling duct 1 water conservancy diversion to the diverse location on the second battery modules 6 height, ensure that the cooling of second each position of battery modules 6 is even.
For optimizing technique scheme further, the cooling air intake of the first battery modules 3 and the entrance of cooling duct 1 are positioned at same Inlet Position.The position of the first cooling air intake 2 of the first battery modules 3 and the entrance of cooling duct 1 are arranged on same Inlet Position, the cooling-air sent into by same cooling blower can be sent in the first battery modules and the second battery modules 6 by the entrance of the first cooling air intake 2 and cooling duct 1 simultaneously, without the need to setting up extra blower fan structure, cooling structure is more simple., blown by same cooling blower meanwhile, ensure that inflow first battery modules 3 is identical with the initial temperature of the cooling-air of the second battery modules 6, 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 include the polylith battery cell of vertically arranged stacked, the top flush arrangement of the first battery modules 3 and the second battery modules 6.First battery modules 3 and the second battery modules 6 form by polylith battery cell 7 arranged stacked, arrange that the first battery modules 3 is concordant with the top of the second battery modules 6 simultaneously, namely the overall height of the first battery modules 3 is lower than the overall height of the second battery modules 6, by controlling the quantitative proportion of the battery cell 7 in the two, air-supply ratio in conjunction with the first cooling air intake 2 and cooling duct 1 controls, the access portal size of controlled cooling model passage 1, cooling-air is shunted, realize the uniform object of amount of cooling water in the first battery modules 3 and the second battery modules 6.
During the present embodiment provides, the workflow of mixed automobile power cell management system is as follows, along with electrokinetic cell work, in power brick, temperature progressively rises, when battery temperature reaches a certain critical value, policy control fan starting, now cooling-air enters Battery case from entrance, enters the first cooling air intake 2 of the first battery modules and the second cooling air intake of the second battery modules respectively.After cooling air enters 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 flow out from the second cooling-air outlet 8 of the second battery modules; After cooling air enters the first cooling air intake 2 of the first battery modules, flow uniformly through each battery cell of the first battery modules 3, take away heat and flow out from the first cooling-air outlet 4 of the first battery modules 3, the guiding finally by air inlet dividing plate 5 has the top of the second battery modules 6 to flow out.
Automobile power cell management system is mixed in providing in above-described embodiment, present invention also offers mixed automobile in one, comprise and be provided with drive motors and drive with drive motors the power battery management system coordinated, the power battery management system that in this, mixed automobile is provided with mixes automobile power cell management system in providing in above-described embodiment.
Because automobile mixed in this have employed mixed automobile power cell management system in above-described embodiment, thus in this mixed automobile by the beneficial effect that brings of mixed automobile power cell management system please refer to above-described embodiment.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. mixed automobile power cell heat management system in a kind, it is characterized in that, comprise the first battery modules and second battery modules of the layout of order, the bottom of described first battery modules is extended with the top being connected to described second battery modules, and covers at the air inlet dividing plate on the cooling air intake of described second battery modules.
2. mixed automobile power cell heat management system according to claim 1, it is characterized in that, between the diapire of described first battery modules and the diapire of described second battery modules, surround the cooling duct of the cooling air intake being communicated to described second battery modules.
3. mixed automobile power cell management system according to claim 2, it is characterized in that, the upper channel of described cooling duct comprises the diapire of described first battery modules and the inwall of described air inlet dividing plate, and the cooling duct between the diapire of described air inlet dividing plate and described second battery modules is the cooling duct along airintake direction flaring.
4. according to claim 3, mixed automobile power cell management system, is characterized in that, is provided with polylith and carries out leading to cooling-air the distributing damper of shunting between the diapire of described air inlet dividing plate and described second battery modules.
5. mixed automobile power cell management system according to claim 3, it is characterized in that, the cooling air intake of described first battery modules and the entrance of described cooling duct are positioned at same Inlet Position.
6. mixed automobile power cell management system according to claim 1, it is characterized in that, described first battery modules and described second battery modules include the polylith battery cell of vertically arranged stacked, the top flush arrangement of described first battery modules and the second battery modules.
7. mixed automobile in a kind, be provided with drive motors and drive with drive motors the power battery management system coordinated, it is characterized in that, described power battery management system for as in claim 1-6 as described in any one in mixed automobile power cell 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410721148.4A CN104466299B (en) | 2014-12-02 | 2014-12-02 | Medium hybrid automobile and power battery thermal management system thereof |
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| CN104466299A true CN104466299A (en) | 2015-03-25 |
| CN104466299B 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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Cited By (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 |
| CN106915353A (en) * | 2017-03-30 | 2017-07-04 | 重庆长安汽车股份有限公司 | The computational methods of heat management available horsepower, thermal management controller, heat management system |
| CN109659633A (en) * | 2018-12-17 | 2019-04-19 | 青岛港国际股份有限公司 | Automatic dock AGV battery temperature maintenance device and method |
| CN111907394A (en) * | 2019-05-07 | 2020-11-10 | 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 |
| CN113485476A (en) * | 2021-06-22 | 2021-10-08 | 深圳市科陆电子科技股份有限公司 | Temperature difference control method, device, equipment and storage medium |
| CN117276751A (en) * | 2023-11-23 | 2023-12-22 | 江苏天合储能有限公司 | Battery cell cooling system and control method thereof |
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| JP2001319697A (en) * | 2000-05-12 | 2001-11-16 | Japan Storage Battery Co Ltd | Assembled battery |
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Cited By (11)
| 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 |
| CN106915353A (en) * | 2017-03-30 | 2017-07-04 | 重庆长安汽车股份有限公司 | The computational methods of heat management available horsepower, thermal management controller, heat management system |
| 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 |
| CN109659633A (en) * | 2018-12-17 | 2019-04-19 | 青岛港国际股份有限公司 | Automatic dock AGV battery temperature maintenance device and method |
| CN111907394A (en) * | 2019-05-07 | 2020-11-10 | 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 |
| CN113485476A (en) * | 2021-06-22 | 2021-10-08 | 深圳市科陆电子科技股份有限公司 | Temperature difference control method, device, equipment and storage medium |
| 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 |
| CN117276751A (en) * | 2023-11-23 | 2023-12-22 | 江苏天合储能有限公司 | Battery cell cooling system and control method thereof |
| 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 |
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| CN104466299B (en) | 2017-02-08 |
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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. |
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