CN207425946U - A kind of battery case and the air-cooled cooling structure of battery system, electric vehicle - Google Patents
A kind of battery case and the air-cooled cooling structure of battery system, electric vehicle Download PDFInfo
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- CN207425946U CN207425946U CN201721042926.2U CN201721042926U CN207425946U CN 207425946 U CN207425946 U CN 207425946U CN 201721042926 U CN201721042926 U CN 201721042926U CN 207425946 U CN207425946 U CN 207425946U
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- battery
- mounting hole
- battery case
- convection
- air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of battery case and the air-cooled cooling structure of battery system, electric vehicle, the battery case includes upper box lid and lower block, and the accommodating space for placing battery bag is formed between the upper box lid and lower block；The front end of the upper box lid and/or lower block is provided with the first mounting hole of perforation box body wall, the rear end of the upper box lid and/or lower block is provided with the second mounting hole of perforation box body wall, first mounting hole and the second mounting hole are connected by the convection duct being arranged in the accommodating space, and one end of convection duct is mounted in the first mounting hole, the other end of the convection duct is mounted in the second mounting hole.The battery case of the utility model ensure that the heat of battery is rapidly distributed.
Description
Technical field
The utility model is related to a kind of battery case and the air-cooled cooling structure of battery system, electric vehicles, belong to battery cooling
Field.
Background technology
Electric vehicle can realize no pollution in use using battery as power source, and using coal, waterpower etc. its
Its non-oil resource can effectively solve hicle emissions and energy problem, thus worldwide obtain most attention.
The performance and quality of electric vehicle largely rely on the performance of its power battery pack configured, particularly
Reliability, cycle performance and cost of power battery etc..Battery system can generate heat in the process of running, can generate thermal accumlation and draw
Play the rise of battery system temperature.Different zones temperature difference is will also result in, temperature difference can cause battery core performance inconsistent, shadow when serious
Cell system lifetime is rung, temperature is to influence the vital factor of power battery performance.When vehicle is transported under different driving conditions
During row, battery can be discharged with different multiplying, amount of heat be generated with different heat rates, in addition accumulated time and spacial influence
Uneven heat aggregation can be generated, it is complicated and changeable so as to cause battery pack running temperature.And excessively high temperature can cause battery
The reduction of capacity, service life and energy efficiency if the heat of battery accumulation can not shed in time, can cause the generation of thermal runaway, sternly
Battery has the danger for occurring acutely to expand and explode during weight.
Therefore, the battery management system comprising thermal management unit, which becomes, determines electric vehicle and hybrid power automobile battery business
The key technology of industry.
Existing battery core is generally cold using natural air cooled, air blast cooling or liquid in groups.
It is simple natural air cooled at low cost, but thermal management effect is poor；When particularly battery pack structure is multilayered structure, temperature
Difference is very big.A kind of pure electric automobile power battery as disclosed in Chinese utility model patent application CN201110057280.6
The radiator structure of assembly, the rectangular cell monomer with Battery case and arrangement in the inner.The Battery case first half
Point Bao Erbian, in the battery cell of arrangement keep flat, battery cell is along length direction point of Battery case first half or so
Both sides are arranged symmetrically.Battery case latter half is thick and high, and the battery cell of interior arrangement is placed vertically.Power battery assembly
It is bolted on by Battery case under vehicle chassis, since battery cell is formed group, and is symmetrically arranged amongst Battery case
It is interior, self-assembling formation cooling air channel.For another example Chinese utility model patent application CN201610847890.9 discloses one kind and is applied to
The air-cooled battery pack structure in new-energy automobile field, the battery core box of the air-cooled battery pack structure is interior to set multiple be arranged vertically
Cylindrical electrical core, clearance portion is set between each cylindrical electrical core and adjacent cylindrical electrical core, and battery core box one end sets air inlet, electricity
The core box other end sets air outlet, and air outlet position sets cooling fan.The air-cooled battery pack structure of the utility model, structure letter
It is single so that battery pack air inlet can enter cooling air, and cooling air enters battery pack blast pipe by air inlet, then conveys
To each battery core box, after absorbing the heat in battery core box, collected in battery pack discharge pipe by cooling fan, gone out from battery pack
It discharges in air port.
Specific region sets fan generally in Battery case for air blast cooling, starts fan when temperature is high in babinet
Portion forms convection current, controls temperature；Even if but can be uniform in battery the temperature inside the box, still outer in the case convection current cannot be formed, effectively dropped
Low battery the temperature inside the box.
Liquid cold energy effectively controls battery pack temperature and temperature difference, but result is complicated, and manufacturing technique requirent is high, of high cost.
Utility model content
The utility model is intended to provide a kind of battery case and the air-cooled cooling structure of battery system, electric vehicle, the battery case
It is interior to be equipped with cooling structure, it is ensured that the heat of battery is rapidly distributed in battery case.
To achieve these goals, technical solution is used by the utility model：
A kind of battery case including upper box lid and lower block, is formed between the upper box lid and lower block for placing battery bag
Accommodating space；It is structurally characterized in that the front end of the upper box lid and/or lower block is provided with the first installation of perforation box body wall
The rear end of hole, the upper box lid and/or lower block is provided with the second mounting hole of perforation box body wall, first mounting hole and second
Mounting hole is connected by the convection duct being arranged in the accommodating space, and one end of convection duct is mounted on the first mounting hole
Interior, the other end of the convection duct is mounted in the second mounting hole.
Convection duct is arranged in accommodating space as a result, and convection duct one end is mounted in the first mounting hole, the convection tube
The other end in road is mounted in the second mounting hole, so as to form direct efficient coolant flow channel, meanwhile, the air of outside is with housing
Space is isolation, avoids outer bound pair battery core adverse effect.
When front end described in the utility model refers to that battery case is placed in electric vehicle, battery case depends on the one of vehicle front
End, when the rear end refers to that battery case is placed in electric vehicle, battery case leans on one end of rear view of vehicle.
During vehicle launch, the direction and the line of the first mounting hole and the second mounting hole advanced due to vehicle are unanimous on the whole,
It can ensure that the heat in battery case is shed in time.
Embodiment according to the present utility model can also make the utility model further optimization, below for optimization after
The technical solution of formation：
In order to further increase cooling effect, prevent that battery concentration zones temperature is excessively high, convection current is equipped in the accommodating space
Coldplate, which is mounted in the convection duct in the convection duct or the convection current cools down
Plate has hollow cavity, and one end of the convection current coldplate is with the serial communication in convection duct.Preferably, the convection current cooling
Plate has polylith.
In order to which the in vivo battery core of guard box is in sealing state, between one end of the convection duct and the first mounting hole,
Be equipped with sealing structure between the other end of the convection duct and the second mounting hole, the sealing structure by the accommodating space with it is extraneous
It separates.Welded seal or encryption packing fit sealing can be purchased between convection duct and upper box lid or lower block, it is ensured that entire electricity
Pond box house is sealing structure.
In order to ensure that rechargeable heat can shed in time, equipped with blower fan and/or described the at first mounting hole
Exhaust fan is housed at two mounting holes.
Preferably, the convection duct is arranged in yi word pattern or S-shaped.
Line clogging in order to prevent, first mounting hole and/or the second mounting hole are equipped with grid pad.
Based on same inventive concept, the utility model additionally provides a kind of air-cooled cooling structure of battery system, feature
It is, including the battery case, battery pack is equipped in the accommodating space of the battery case.
In order to improve heat dissipation effect, the battery pack is horizontally installed in battery case.
The heat of battery is distributed in order to utmostly low, the battery pack concentrated area is placed with convection current cooling
Plate.
Based on same inventive concept, the utility model additionally provides a kind of electric vehicle, including car body, the car body
It is built-in to have the battery case；First mounting hole of the battery case and the line of the second mounting hole and vehicle traveling direction are substantially
It is upper consistent.As a result, in vehicle travel process, wind when being advanced using vehicle is quickly shed heat.It is described in the utility model
Substantially uniform refer to seem consistent rather than absolute consistent, it is however generally that, preferably the first mounting hole and the second installation
The line in hole and the angle of vehicle traveling direction are less than 30 °.
Compared with prior art, the beneficial effects of the utility model are：The utility model by setting cross-ventilation pipe, if
Put special radiating flow passage, it is ensured that the heat in battery pack quickly sheds.Further, the setting of convection current coldplate is passed through
It can ensure the uniform temperature fields in battery case.Further, by the first mounting hole of the battery case and the second mounting hole
Line is substantially uniform with vehicle traveling direction, can utilize wind-force during vehicle traveling that heat quickly sheds.
Description of the drawings
Fig. 1 is the structure principle chart of the utility model one embodiment；
Fig. 2 is a kind of schematic diagram that upper box lid is removed in Fig. 1；
Fig. 3 is another schematic diagram that upper box lid is removed in Fig. 1；
Fig. 4 is the elevational schematic view of the utility model；
Fig. 5 is the elevational schematic view that the utility model shows grid pad.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the utility model can be mutually combined.For sake of convenience, hereinafter such as
There are " on ", " under ", "left", "right" printed words, only represent that the upper and lower, left and right direction with attached drawing in itself is consistent, not to structure
Play restriction effect.
A kind of battery case, as shown in Figure 1, including upper box lid 1 and lower block 2, the first mounting hole 4 of hollow convection duct 6
It designs under battery pack on block 2 with the second mounting hole 5, is installed convenient for battery pack；Following block 2 is than shallower, and upper box lid
It is relatively deep；First mounting hole 4 and the second mounting hole 5 can be also designed on upper box lid 1.First mounting hole, 4 and second mounting hole 5
It is connected by being arranged on the in vivo convection duct 6 of case, and one end of convection duct 6 is mounted in the first mounting hole 4, the convection tube
The other end in road 6 is mounted in the second mounting hole 5.In addition, in order to which the in vivo battery core of guard box is in sealing state, the convection current
Sealing knot is equipped between one end of pipeline 6 and the first mounting hole 4, between the other end of the convection duct 6 and the second mounting hole 5
Structure, the sealing structure separate the accommodating space with the external world.
A kind of air-cooled cooling structure of battery system, as in Figure 2-4, in battery case 3 indoor design, one hollow convection tube
Road 6 is penetrated from 3 babinet front end of battery case, is pierced by from 3 box back of battery case, shape during being travelled by battery car
Into wind, make air at room temperature through hollow convection duct 6, so as to which air be allowed to pass through the entire babinet of battery pack.Air at room temperature
It during through hollow convection duct 6, while takes away battery pack and passes to heat in hollow convection duct 6, so as to effectively control battery
Bag internal temperature.
Battery pack boring convection duct 6, may be designed as linear, and can also arrange space according to battery pack module, if
It is calculated as S-shaped such as Fig. 2 or other streamlined structures.
Battery pack boring convection duct 6, also can be according to battery pack structure demand, on the ground that battery temperature is especially concentrated
Side's design convection current coldplate 7, such as Fig. 3；According to battery pack structure demand, convection current coldplate 7 may be designed as one or more, to reach
To for the purpose of uniform temperature fields.
Further, charge for cross-ventilation and endothermic effect in the hollow convection duct 6 of reinforcement or in electric vehicle etc.
Battery pack temperature is controlled under static condition, also can increase blower fan 9 in the air intake vent of the hollow convection duct 6 of battery pack, to reach
Control the effect of convection flow of air speed and the purpose of control battery pack internal temperature in hollow convection duct 6.
Grid pad 8 is designed into the second mounting hole in hollow convection tube 6, such as Fig. 5, prevents impurity from entering pipeline and causing to block up
Plug.
A kind of electric vehicle, including car body, the car body is built-in the battery case 3；First peace of the battery case 3
Line and the vehicle traveling direction for filling 4 and second mounting hole 5 of hole are substantially uniform.
The content that above-described embodiment illustrates should be understood to that these embodiments are only used for being illustrated more clearly that the utility model,
Rather than limitation the scope of the utility model, after the utility model has been read, those skilled in the art are new to this practicality
The modification of the various equivalent forms of type each falls within the application scope as defined in the appended claims.
Claims (10)
1. a kind of battery case, including upper box lid（1）With lower block（2）, the upper box lid（1）With lower block（2）Between formed and be used for
The accommodating space of placing battery bag；It is characterized in that, the upper box lid（1）And/or lower block（2）Front end be provided with perforation babinet
First mounting hole of wall（4）, the upper box lid（1）And/or lower block（2）Rear end be provided with perforation box body wall the second mounting hole
（5）, first mounting hole（4）With the second mounting hole（5）Pass through the convection duct being arranged in the accommodating space（6）Even
It is logical, and convection duct（6）One end be mounted on the first mounting hole（4）It is interior, the convection duct（6）The other end be mounted on second peace
Fill hole（5）It is interior.
2. battery case according to claim 1, which is characterized in that convection current coldplate is equipped in the accommodating space（7）, should
Convection current coldplate（7）Mounted on the convection duct（6）On or the convection current coldplate（7）With hollow cavity, convection current cooling
Plate（7）Serial communication is in convection duct（6）On.
3. battery case according to claim 1, which is characterized in that the convection duct（6）One end and the first mounting hole
（4）Between, the convection duct（6）The other end and the second mounting hole（5）Between be equipped with sealing structure, the sealing structure will described in
Accommodating space is separated with the external world.
4. battery case according to claim 1, which is characterized in that first mounting hole（4）Place is equipped with blower fan（9）
And/or second mounting hole（5）Place is equipped with exhaust fan.
5. according to the battery case any one of claim 1-4, which is characterized in that the convection duct（6）In yi word pattern
Or S-shaped arrangement.
6. according to the battery case any one of claim 1-4, which is characterized in that first mounting hole（4）And/or the
Two mounting holes（5）Equipped with grid pad（8）.
7. a kind of air-cooled cooling structure of battery system, which is characterized in that including the battery as any one of claim 1-6
Case（3）, the battery case（3）Accommodating space in be equipped with battery modules or battery pack.
8. the air-cooled cooling structure of battery system according to claim 7, which is characterized in that the battery pack is horizontally installed on
Battery case（3）It is interior.
9. the air-cooled cooling structure of battery system according to claim 7, which is characterized in that put the battery pack concentrated area
It is equipped with convection current coldplate（7）.
10. a kind of electric vehicle, including car body, which is characterized in that the car body is built-in just like any one of claim 1-6 institutes
The battery case stated（3）；The battery case（3）The first mounting hole（4）With the second mounting hole（5）Line and vehicle traveling direction
It is substantially uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721042926.2U CN207425946U (en) | 2017-08-21 | 2017-08-21 | A kind of battery case and the air-cooled cooling structure of battery system, electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721042926.2U CN207425946U (en) | 2017-08-21 | 2017-08-21 | A kind of battery case and the air-cooled cooling structure of battery system, electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425946U true CN207425946U (en) | 2018-05-29 |
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ID=62314836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721042926.2U Active CN207425946U (en) | 2017-08-21 | 2017-08-21 | A kind of battery case and the air-cooled cooling structure of battery system, electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463519A (en) * | 2020-04-08 | 2020-07-28 | 重庆长安新能源汽车科技有限公司 | Battery buffering heat insulation cooling plate, power battery pack and automobile |
-
2017
- 2017-08-21 CN CN201721042926.2U patent/CN207425946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463519A (en) * | 2020-04-08 | 2020-07-28 | 重庆长安新能源汽车科技有限公司 | Battery buffering heat insulation cooling plate, power battery pack and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201029 Address after: 201600 unit 202, unit 12, 3255 Sixian Road, Songjiang District, Shanghai Patentee after: Lin Haisheng Address before: 201600 the third floor, 421 Wei Qing Road, Jinshan District, Shanghai Patentee before: SHANGHAI YIYUAN POWER TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 442600 Chengguan Town Industrial Park, Yunxi County, Shiyan City, Hubei Province (Group 8, Xiabeiyu Village) Patentee after: SHIYAN MENGSHI NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 201600 unit 202, unit 12, 3255 Sixian Road, Songjiang District, Shanghai Patentee before: Lin Haisheng |
|
| TR01 | Transfer of patent right |