CN205609635U - Power battery heat accuse box - Google Patents
Power battery heat accuse box Download PDFInfo
- Publication number
- CN205609635U CN205609635U CN201620447810.6U CN201620447810U CN205609635U CN 205609635 U CN205609635 U CN 205609635U CN 201620447810 U CN201620447810 U CN 201620447810U CN 205609635 U CN205609635 U CN 205609635U
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- Prior art keywords
- battery
- heat
- plate
- casing
- cells
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- 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.)
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a power battery heat accuse box, characterized by: the setting is used for album box of dress power battery group, forms room and battery collection dress room between the refrigeration in the box respectively, the cold volume of utilizing the fan to make the evaporimeter produce flows in vertical airflow channel, battery collection dress room square battery forms range upon range of the one -tenths battery row of group battery, and each battery is arranged interval and is set up, places the heat -conducting plate in the battery is arranged between the adjacent two -layer group battery, the heat -conducting plate around the group battery protruding stretch in to it has the heating plate to paste at the front end, and the afterbody forms the fin in horizontal airflow channel. The utility model discloses can solve the problem that results in carrying on every battery cell the effective heat management because of the heat transfer area undersize, realize simultaneously that power battery temperature distribution is even, temperature regulation is rapid, and the sealed design of battery box, and the security is high, and energy utilization is high.
Description
Technical field
This utility model relates to new-energy automobile power battery thermal management technology field, is specifically related to a kind of electric automobile power battery
Thermal control casing.
Background technology
One of key technology of electric automobile is electrokinetic cell, and the quality of battery decides the cost of electric automobile and electric automobile
Continual mileage, and can cost and continual mileage be new-energy automobiles accept for consumers in general, and rapidly be universal pass
Key factor.In addition to the manufacturing process of battery itself, the heat management for electrokinetic cell is also the key factor determining battery performance,
It is mainly reflected in following aspect:
One, in high temperature environments, the most during the broiling summer, electrokinetic cell uses in charge and discharge process and under hot environment
Time can discharge substantial amounts of heat, and because being limited the production raw accumulation of heat in space, the heat of accumulation can not be discharged in time and will be made battery bag
Temperature rapid increase, now needs to start cooling system and cools down electrokinetic cell；At low ambient temperatures, particularly in cold
Winter, electrokinetic cell service behaviour is very poor, even cannot be properly functioning because of low temperature, now need to battery heating rise
Temperature, is allowed to be in optimal use temperature levels.
Two, battery has the various materials such as electrolyte, electrode, dividing plate, the rate of ageing of high temperature meeting accelerated material, work as set of cells
In each battery module temperature difference bigger time, the rate of ageing of high-temperature part can be significantly faster than that low temperature part, and accumulation over time is different
Physical difference between battery will be all the more obvious, thus destroy the concordance of set of cells, finally make whole Battery pack premature failure.
If the heat radiation of two power battery pack and heating arrangement design imperfection, temperature between each module can be caused in battery bag to divide
Cloth is uneven so that the working environment of each battery cell is different, and this also will have a strong impact on the concordance of cell performance,
Thus have a strong impact on the service life of whole power battery pack.
In prior art, the electrokinetic cell many employings square battery on electric automobile, square battery maintenance cost is low, cycle life
The high-caliber performances such as long, wide, the high-energy-density of operating temperature range, compared to cylindrical battery, square battery also has transport
And feature easily is installed, therefore it is used widely in electric automobile.
In view of the factor in terms of cost and processing technology, the thermal control medium that current electric automobile power battery heat management system uses
Being mostly air, the air being used for carrying out being heated or cooled needs to flow through each piece of square battery.Due to the power in electric automobile
Number of batteries may be a lot, and square battery and air heat-exchange limited area, and therefore, this form is difficult to fully each piece of side
Block battery carries out the regulation of air themperature；Moreover, rely solely on air and carry out heat exchange on the surface of battery, it is impossible to guarantor
Block battery with two side terminals and the uniformity in battery bag temperature field, cause the electrokinetic cell working environment in electric automobile poor.
Utility model content
This utility model is for avoiding the deficiency existing for above-mentioned prior art, it is provided that a kind of electrokinetic cell thermal control casing, to reality
The most effectively radiating and cooling or the heat temperature raising of existing electric automobile power battery, maintains normally the working of battery, extends it and use the longevity
Life, reduces use cost.
This utility model adopts the following technical scheme that for solving technical problem
Being structurally characterized in that of this utility model electrokinetic cell thermal control casing:
It is provided for the casing of packaging power battery pack, in described casing, utilizes casing front end-plate and parallel with casing front end-plate
Baffle plate constitute refrigeration compartment, described baffle plate forms closing between the top board and base plate of casing, and prevention air-flow is in perpendicular
The left and right sides plate of flowing, described baffle plate and casing separately, forms longitudinal air flow path in the left and right sides of casing；By described
Baffle plate constitutes battery packaging room with box back plate；
In described refrigeration compartment, it is on the section of refrigeration compartment and is provided with vaporizer and blower fan, utilize blower fan to make vaporizer produce
Raw cold flows in longitudinal air flow path；
In described battery packaging room, it is parallel to the multiple rows of rectangular battery row of baffle arrangement, leaves between adjacent twice battery row
Spacing forms lateral gas passages, and each road battery row be laminated by multi-layer cell group respectively, and each layer set of cells is by polylith square
Battery is parallel at grade and is close to arrangement；
In each road battery is arranged, it is between adjacent two-layer set of cells and places a piece of heat-conducting plate, the width of described heat-conducting plate and length
Degree is respectively greater than width and the length of set of cells, so that heat-conducting plate convexedly stretches in set of cells in the surrounding of set of cells, is convexedly stretching in battery
Being pasted with heating plate on the heat-conducting plate of the front end of group, the heat-conducting plate of the afterbody convexedly stretching in set of cells is in described lateral gas passages
Form fin.
The construction features of this utility model electrokinetic cell thermal control casing lies also in: in the medial wall of the left and right sides plate of described casing
On be respectively arranged with wedge-shape diversion plate, make the flow area of described longitudinal air flow path in baffle plate position for maximum, away from
The afterbody end plate position of the casing of baffle plate is minimum.
The construction features of this utility model electrokinetic cell thermal control casing lies also in: described in convexedly stretch in the heat-conducting plate shape of afterbody of set of cells
Become to have bending part, described bending part to be directed towards top board or the bending of base plate direction of casing.
The construction features of this utility model electrokinetic cell thermal control casing lies also in: described each heat-conducting plate its bending part be entirety in the same direction
Bending, or bending part is transversely cut into many bendings sheet, Adjacent fold sheet is incorgruous bending, and Integral bending portion strikes a bargain for straggly.
The construction features of this utility model electrokinetic cell thermal control casing lies also in: the bending angle of described bending part is 15 °-75 °.
The construction features of this utility model electrokinetic cell thermal control casing lies also in: set between the heat-conducting plate and set of cells of described casing
It is equipped with graphite heat conducting pad.
Compared with prior art, this utility model has the beneficial effect that:
1, this utility model reasonable cloth baffle plate and battery, forms longitudinal air flow path and lateral gas passages in casing respectively, has
Effect avoids air flow shortcircuit, it is achieved being uniformly distributed and olderly flowage of air-flow, makes each battery can be dispelled the heat fast and effectively or rise
Temperature, maintains normally the working of battery with this, increases the service life, and reduces use cost.
2, wedge-shape diversion plate in this utility model so that by the gas flow in every lateral gas passages close to equal, so
In every interconnection, the heat exchange amount of air-flow is basically identical, thus ensures the concordance of battery temperature between different row.
3, being pasted by heating plate on each heat-conducting plate in this utility model, owing to heat-conducting plate is arranged between every layer of set of cells, it effectively divides
Cloth is capable of the effective heating to each cell, the shell of electrokinetic cell be generally the higher aluminium of heat conductivity or
Rustless steel, it is possible to quickly realize the intensification of battery case, thus realize the quick heating to internal battery material.
4, this utility model arranges graphite heat conducting pad and is effectively increased heat conductivity, and improve heat conduction uniformity, it is to avoid in set of cells
The problem that portion's thermo parameters method is uneven, it is ensured that each battery with two side terminals.
5, in this utility model, bending fin adds the heat exchange area of heat-conducting plate, strengthen gas flow perturbation, it is to avoid heat radiation is logical
The obstruction that under wind operating mode, heat-conducting plate bending fin is dispelled the heat by heating plate, improves heat transfer efficiency, and its design is simple, low cost, structure
Compact, save space.
Accompanying drawing explanation
Fig. 1 is this utility model internal structure schematic diagram；
Fig. 2 is this utility model plan structure schematic diagram；
Fig. 3 is the A-A generalized section for Fig. 2；
Fig. 4 is adjacent two layers battery pack structure schematic diagram in this utility model；
Fig. 5 is another embodiment internal structure schematic diagram of this utility model；
Fig. 6 is another embodiment plan structure schematic diagram of this utility model；
Fig. 7 is the B-B generalized section of Fig. 6；
Fig. 8 is adjacent two layers battery pack structure figure in another embodiment of this utility model.
Label in figure: 1 casing, 2 vaporizers, 3 blower fans, 4 baffle plates, 5 wedge-shape diversion plates, 6 set of cells, 7 heat-conducting plates, 7-1
Bending part, 8 spacer blocks, 9 heating plates, 10 graphite heat conducting pads.
Detailed description of the invention
The version of the present embodiment medium power battery thermal control casing is:
As depicted in figs. 1 and 2, it is provided for the casing 1 of packaging power battery pack, in casing 1, utilizes casing front end-plate
With the baffle plate 4 parallel with casing front end-plate constitutes refrigeration compartment, baffle plate 4 forms closing between the top board and base plate of casing, resistance
Only air-flow flows in perpendicular, and the left and right sides plate of baffle plate 4 and casing separately, is formed vertical in the left and right sides of casing 1
To gas channel；Battery packaging room is constituted by baffle plate 4 and box back plate.In refrigeration compartment, it is in the section of refrigeration compartment
On be provided with vaporizer 2 and blower fan 3, vaporizer 2 is respectively less than the height of refrigeration compartment with blower fan 3 height, utilizes blower fan 3 to make
The cold that vaporizer 2 produces flows in longitudinal air flow path.
As shown in Fig. 3, Fig. 4 and Fig. 5, in battery packaging room, it is parallel to the battery row that baffle plate 4 arranges that 2-10 row is rectangular,
The spacing leaving 5-20mm between adjacent twice battery row forms lateral gas passages, and each road battery is arranged respectively by 2-20 layer battery
Group 6 is laminated, and each layer set of cells 6 is parallel at grade by 2-10 block square battery and is close to arrangement.Often arranging electricity
Pond row, the top of vaporizer 2 and blower fan 3 are filled with spacer block, fill every row's battery row, vaporizer 2 with the end face of blower fan 3 with
Gap between the top board of casing, it is to avoid gap forms short circuit to air-flow herein.
Each road battery arrange in, be between adjacent two-layer set of cells 6 and place a piece of heat-conducting plate 7, the width of heat-conducting plate 7 and
Length is respectively greater than width and the length of set of cells 6, so that heat-conducting plate 7 convexedly stretches in set of cells 6 in the surrounding of set of cells 6,
It is pasted with heating plate 9, at the heat-conducting plate 7 of the afterbody convexedly stretching in set of cells 6 on the heat-conducting plate 7 of the front end convexedly stretching in set of cells 6
Fin is formed in lateral gas passages.Heating plate 9 is attached to often arrange the side of the heat-conducting plate 7 on every layer of battery, at heater
Under condition, close blower fan 3, it is possible to realize the heat conduction heat exchange type to each square battery and heat.The shell of square battery is usually
Aluminium or rustless steel, its heat conductivity is high, it is possible to quickly realizes the intensification of square battery shell, thus realizes square battery
The quick heating of internal material；This version avoids the heating plate 9 bending part 7-1 to heat-conducting plate 7 under heat dissipation ventilation operating mode
The obstruction of heat radiation, it is ensured that heat-conducting plate 7 has bigger heat exchange area, reduces the power demand of blower fan 3.
In the present embodiment, corresponding structure arranges and also includes:
As shown in Figure 5 and Figure 6, casing 1 left and right sides plate medial wall on be respectively arranged with wedge-shape diversion plate 5, make
The flow area of longitudinal air flow path is maximum, at the afterbody end plate place of the casing 1 away from baffle plate 4 in baffle plate 4 position
Position is minimum.The heat-conducting plate 7 of the afterbody convexedly stretching in set of cells 6 is formed with bending part 7-1, bending part 7-1 and is directed towards casing 1
Top board or the bending of base plate direction.
In being embodied as, each heat-conducting plate 7 is entirety bending in the same direction at its bending part 7-1, refers to entirety upward, or entirety is down
Bending.As shown in Figure 1, Figure 2, Figure 3 and Figure 4；Or the employing another kind as shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8 is real
Executing formula, be that bending part 7-1 is transversely cut into many bendings sheet, Adjacent fold sheet is incorgruous bending, refers to adjacent two panels bending
In sheet, a bending sheet is bending upward, and another bending sheet is then bending down, makes Integral bending portion 7-1 strike a bargain for straggly；
The bending angle of bending part 7-1 is the angle that 15 °-75 ° bending angles refer to bending part and horizontal plane.Heat-conducting plate 7 in the present embodiment
Bending part 7-1 form the fin in lateral gas passages, this form structure is simple, cost is relatively low, raw on bending part 7-1
Become secondary heat exchange area to not only increase total heat exchange area, and its compact conformation, save cabinet space, by set of cells 6,
The connection in series-parallel combination of graphite heat conducting pad 10 and 7 component units of heat-conducting plate, can expire under lateral gas passages low pressure drop requirement
The heat exchange of square battery is needed by foot.Moreover, after air enters lateral gas passages, utilize bending part 7-1 to passage
Interior air shunts, and enhances the disturbance to air-flow, is effectively increased the heat transfer efficiency to square battery.
As shown in Figure 4, between the heat-conducting plate 7 and set of cells 6 of casing 1, it is provided with graphite heat conducting pad 10, utilizes graphite heat conducting
Padding 10 good heat conductivity and uniformities, in diabatic process, square battery and heating plate 9 are produced by graphite heat conducting pad 10
Heat spreads rapidly, and effectively prevent casing 1, internal owing to local temperature is too high or too low, to produce thermo parameters method uneven
Problem, it is ensured that the concordance of square battery.
When temperature is too high need electrokinetic cell is cooled down time, electric automobile air conditioner refrigerating circuit work, start vaporizer 2,
Controlling blower fan 3 by control system to start working, the air in casing 1 is formed cold through vaporizer 2 under the driving of blower fan 3
Air, cold air enters the side longitudinal air flow path between set of cells 6 and wedge-shape diversion plate 5, leading of wedge-shape diversion plate 5
Under stream effect, the cooling air in the longitudinal air flow path of side is even into each road lateral gas passages, and through opposite side longitudinal direction gas
Return to vaporizer 2 after circulation road, form closed circuit inner loop.The heat that electrokinetic cell produces is delivered to through graphite heat conducting pad 10
Heat-conducting plate 7, is cooled down the bending part 7-1 of heat-conducting plate 7 by cold air, it is achieved the cooling to electrokinetic cell.
When temperature is too low need electrokinetic cell is heated time, vaporizer 2 does not works with blower fan 3, by control system control
Heating plate 9 works, and the heat that heating plate 9 produces is by heat-conducting plate 7, and is delivered to square battery by graphite heat conducting pad 10,
Realize the heating to electrokinetic cell.
Claims (6)
1. an electrokinetic cell thermal control casing, is characterized in that:
It is provided for the casing (1) of packaging power battery pack, in described casing (1), casing front end-plate and the baffle plate (4) parallel with casing front end-plate is utilized to constitute refrigeration compartment, described baffle plate forms closing between the top board and base plate of casing, air-flow is stoped to flow in perpendicular, the left and right sides plate of described baffle plate and casing separately, forms longitudinal air flow path in the left and right sides of casing (1)；Battery packaging room is constituted by described baffle plate (4) and box back plate；
In described refrigeration compartment, being on the section of refrigeration compartment and be provided with vaporizer (2) and blower fan (3), the cold utilizing blower fan (3) to make vaporizer (2) produce flows in longitudinal air flow path；
In described battery packaging room, it is parallel to baffle plate (4) and arranges multiple rows of rectangular battery row, leave spacing between adjacent twice battery row and form lateral gas passages, each road battery row be laminated by multi-layer cell group (6) respectively, and each layer set of cells (6) is parallel at grade by polylith square battery and is close to arrangement；
In each road battery is arranged, it is between adjacent two-layer set of cells (6) and places a piece of heat-conducting plate (7), the width of described heat-conducting plate (7) and length are respectively greater than width and the length of set of cells (6), so that heat-conducting plate (7) convexedly stretches in set of cells (6) in the surrounding of set of cells (6), being pasted with heating plate (9) on the heat-conducting plate (7) of front end convexedly stretching in set of cells (6), the heat-conducting plate (7) of the afterbody convexedly stretching in set of cells (6) is in described lateral gas passages formation fin.
Electrokinetic cell thermal control casing the most according to claim 1, it is characterized in that: on the medial wall of the left and right sides plate of described casing (1), be respectively arranged with wedge-shape diversion plate (5), the flow area making described longitudinal air flow path is maximum in baffle plate (4) position, is minimum in the afterbody end plate position of the casing (1) away from baffle plate (4).
Electrokinetic cell thermal control casing the most according to claim 1, it is characterized in that: described in convexedly stretch in set of cells (6) the heat-conducting plate (7) of afterbody be formed with bending part (7-1), described bending part (7-1) is directed towards top board or the bending of base plate direction of casing (1).
Electrokinetic cell thermal control casing the most according to claim 3, it is characterized in that: described each heat-conducting plate (7) is entirety bending in the same direction at its bending part (7-1), or bending part (7-1) is transversely cut into many bendings sheet, Adjacent fold sheet is incorgruous bending, and Integral bending portion (7-1) strikes a bargain for straggly.
5. according to the electrokinetic cell thermal control casing described in claim 3 or 4, it is characterized in that: the bending angle of described bending part (7-1) is 15 °-75 °.
Electrokinetic cell thermal control casing the most according to claim 1, is characterized in that: be provided with graphite heat conducting pad (10) between the heat-conducting plate (7) and set of cells (6) of described casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620447810.6U CN205609635U (en) | 2016-05-13 | 2016-05-13 | Power battery heat accuse box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620447810.6U CN205609635U (en) | 2016-05-13 | 2016-05-13 | Power battery heat accuse box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205609635U true CN205609635U (en) | 2016-09-28 |
Family
ID=56967540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620447810.6U Withdrawn - After Issue CN205609635U (en) | 2016-05-13 | 2016-05-13 | Power battery heat accuse box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205609635U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789516A (en) * | 2016-05-13 | 2016-07-20 | 合肥工业大学 | Power battery thermal control box body |
| CN106785232A (en) * | 2016-12-26 | 2017-05-31 | 重庆云天化瀚恩新材料开发有限公司 | A kind of New-energy electric vehicle special graphite heating plate and preparation method thereof |
| CN107453009A (en) * | 2017-09-24 | 2017-12-08 | 中盐安徽红四方锂电有限公司 | Power battery of electric vehicle case heat exchange structure |
| CN109560224A (en) * | 2017-09-26 | 2019-04-02 | 罗伯特·博世有限公司 | Battery module |
-
2016
- 2016-05-13 CN CN201620447810.6U patent/CN205609635U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789516A (en) * | 2016-05-13 | 2016-07-20 | 合肥工业大学 | Power battery thermal control box body |
| CN105789516B (en) * | 2016-05-13 | 2018-11-06 | 合肥工业大学 | Power battery thermal control babinet |
| CN106785232A (en) * | 2016-12-26 | 2017-05-31 | 重庆云天化瀚恩新材料开发有限公司 | A kind of New-energy electric vehicle special graphite heating plate and preparation method thereof |
| CN107453009A (en) * | 2017-09-24 | 2017-12-08 | 中盐安徽红四方锂电有限公司 | Power battery of electric vehicle case heat exchange structure |
| CN109560224A (en) * | 2017-09-26 | 2019-04-02 | 罗伯特·博世有限公司 | Battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20181106 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20181106 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |