CN105789736B - Battery case and vehicle with it - Google Patents
Battery case and vehicle with it Download PDFInfo
- Publication number
- CN105789736B CN105789736B CN201610248072.7A CN201610248072A CN105789736B CN 105789736 B CN105789736 B CN 105789736B CN 201610248072 A CN201610248072 A CN 201610248072A CN 105789736 B CN105789736 B CN 105789736B
- Authority
- CN
- China
- Prior art keywords
- evaporator
- battery modules
- cooling
- battery case
- orifice plate
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 238000009434 installation Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6562—Gases with free flow by convection only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a kind of battery case and with its vehicle, battery case includes：Babinet；Battery modules, battery modules are arranged in babinet and are spaced apart with the bottom wall of babinet；Cooling orifice plate, cooling orifice plate are arranged between battery modules and bottom wall, and the cooling hole towards battery modules bottom surface is offered on cooling orifice plate；Evaporator, evaporator are arranged in babinet；And air circulation device, air circulation device are arranged in babinet and for the air in babinet to be oriented to evaporator and will be exported to cooling orifice plate, so that cold wind blows to battery modules by cooling hole with cold air is formed by after evaporator heat exchange.By the cooling orifice plate of setting, evaporator and air circulation device, battery case can be made to provide cold wind for its internal battery modules, to which cold wind can take away the heat of battery modules, can quickly reduce the operating temperature of battery modules.
Description
Technical field
The present invention relates to technical field of vehicle more particularly to a kind of battery case and with the vehicle of the battery case.
Background technology
In the related technology, pure electric automobile, plug-in or mixed power electric car are all made of electrokinetic cell system conduct
The energy source of vehicle.The operating temperature of battery is very big on influences such as battery capacity, cycle lives.Currently, most of electric vehicles
It by the way of natural cooling, radiates by battery pack housing, heat dissipation effect is poor, and the heat added up in battery pack cannot
It quickly move through battery case and is dispersed into outside, cause battery pack internal temperature rise higher, influence the capacity and cycle life of battery.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention carries
Go out a kind of battery case, which can form circulating air duct in babinet, can provide cold wind to battery modules, can make
The operating temperature of battery modules is suitable, can improve the capacity of battery modules and extend cycle life.
The present invention further proposes a kind of vehicle.
Battery case according to the present invention, including：Babinet；Battery modules, the battery modules be arranged in the babinet and
It is spaced apart with the bottom wall of the babinet；Cooling orifice plate, the cooling orifice plate are arranged between the battery modules and the bottom wall,
The cooling hole towards the battery modules bottom surface is offered on the cooling orifice plate；Evaporator, the evaporator are arranged described
In babinet；And air circulation device, the air circulation device are arranged in the babinet and are used for the air in babinet
Evaporator is oriented to will simultaneously to export to cooling orifice plate with cold air is formed by after evaporator heat exchange so that cold wind pass through it is cold
But hole blows to the battery modules.
Battery case according to the present invention can make battery by the cooling orifice plate of setting, evaporator and air circulation device
Case provides cold wind for its internal battery modules, to which cold wind can take away the heat of battery modules, can quickly reduce battery
The operating temperature of module can make the operating temperature of battery modules suitable, and the capacity and extension that can improve battery modules make
With the service life, the performance of vehicle can be improved.
In addition, battery case according to the present invention can also have following additional technical feature：
In some examples of the present invention, the cooling orifice plate is spaced apart with the bottom wall to form cooling air channel, described
It is provided with jet hole between cooling air channel and the evaporator.
In some examples of the present invention, the battery case further includes：Holder, the holder support the battery modules,
The evaporator installation space for installing the evaporator, the jet hole setting are limited between the holder and the bottom wall
On the wall of the holder.
In some examples of the present invention, the size of the cooling hole on the cooling orifice plate is according to apart from the evaporator
Distance is in increasing trend.
In some examples of the present invention, the battery case further includes：Multiple wind deflectors, the wind deflector are arranged described
On the upper surface of cooling orifice plate, the multiple wind deflector is separated from each other on the length direction of the evaporator, and each institute
Wind deflector is stated along the direction for being generally normal to the evaporator to extend.
Intermediate air duct, the intermediate wind are formed in some examples of the present invention, between adjacent two wind deflectors
The width in road tapers off trend according to the direction far from the evaporator.
In some examples of the present invention, the battery modules are divided into two groups and are spaced apart, the evaporator and the sky
Gas circulator is arranged between battery modules described in two groups.
In some examples of the present invention, the air circulation device includes：Jet blower.
In some examples of the present invention, the jet blower is multiple and is distributed along the length direction of the evaporator.
Vehicle according to the invention, including above-mentioned battery case, since battery case has cooling orifice plate, evaporator and air
Circulator, to which battery case can feed cold wind to its internal battery modules, cold wind can take away the heat of battery modules,
Cold wind can quickly reduce the operating temperature of battery modules, and then the operating temperature of battery modules can be made suitable, Ke Yiti
The capacity of high battery modules and prolong the service life, the performance of vehicle can be improved.
Description of the drawings
Fig. 1 is the schematic diagram of battery case according to the ... of the embodiment of the present invention；
Fig. 2 is the sectional view of battery case shown in Fig. 1；
Fig. 3 is the schematic diagram of the cooling orifice plate in battery case shown in Fig. 1.
Reference numeral：
Battery case 100；
Babinet 10；Bottom wall 11；Battery modules 20；
Cooling orifice plate 30；Cooling hole 31；Cooling air channel 32；Jet hole 33；
Evaporator 40；Air circulation device 50；Holder 60；Wind deflector 70；Intermediate air duct 71.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings battery case 100 according to the ... of the embodiment of the present invention is described in detail, which can apply
On automobile.
Battery case 100 according to the ... of the embodiment of the present invention may include：Babinet 10, battery modules 20, cooling orifice plate 30, evaporation
Device 40 and air circulation device 50.As depicted in figs. 1 and 2, battery modules 20 be arranged in babinet 10, and battery modules 20 with
The bottom wall 11 of babinet 10 is spaced apart, and cooling orifice plate 30 is arranged between battery modules 20 and bottom wall 11, is opened up on cooling orifice plate 30
There is the cooling hole 31 towards 20 bottom surface of battery modules.In other words, cooling orifice plate 30 is mounted on the bottom wall 11 of babinet 10, battery mould
Group 20 is placed on cooling orifice plate 30.
As depicted in figs. 1 and 2, evaporator 40 is arranged in babinet 10, and air circulation device 50 is arranged in babinet 10, and
And air circulation device 50 is used to the air in babinet 10 being oriented to evaporator 40, and air circulation device 50 will be with evaporator
It is formed by cold air after 40 heat exchange to export to cooling orifice plate 30, so that cold wind can blow to battery mould by cooling hole 31
Group 20.It becomes a common practice it is understood that air circulation device 50 can convert the air in babinet 10, and air circulation device
50 can be transported to wind to make wind exchange heat with evaporator 40 at evaporator 40, and the wind after heat exchange becomes the cold of low temperature
Wind, the cooling orifice plate 30 of cold wind flow direction, and cold wind flows to the following table of battery modules 20 by the cooling hole 31 on cooling orifice plate 30
Face, so that the bottom-up heat for taking away battery modules 20 of cold wind, can reduce the temperature of battery modules 20, in turn
The operating temperature of battery modules 20 can be made suitable, the capacity of battery modules 20 can be improved and prolonged the service life.Moreover,
Since battery modules 20 have the characteristics that thermal conductivity in the up-down direction is preferable, and the cold wind that cooling hole 31 is blowed is under
It flows up, so as to take away the heat of battery modules 20 to the maximum extent.
Optionally, air circulation device 50 may include：Jet blower.Jet blower can turn the air in babinet 10
It is melted into high speed and high pressure air-flow, and the high speed and high pressure air-flow can be conveyed to evaporator 40 by jet blower.Preferably, such as Fig. 1
It is shown, jet blower can be it is multiple, and multiple jet blowers can along evaporator 40 length direction it is (i.e. shown in FIG. 1
Front-rear direction) distribution.In this way, by the way that multiple jet blowers are arranged, the flow for the wind for being conveyed to evaporator 40 can be increased, and
Multiple jet blowers are distributed in the longitudinal direction, can so that being conveyed to the air quantity of evaporator 40 everywhere approaches, and can make wind
It preferably exchanges heat with evaporator 40, the heat exchange efficiency of evaporator 40 can be improved, the working efficiency of battery case 100 can be improved.
According to a preferred embodiment of the present invention, as depicted in figs. 1 and 2, battery modules 20 are segmented into two groups, and
Two groups of battery modules 20 are spaced apart, and evaporator 40 and air circulation device 50 are arranged between two groups of battery modules 20.It steams as a result,
Cold wind can be provided to two battery modules 20 positioned at its both sides simultaneously by sending out device 40 and air circulation device 50, can be with maximum limit
Degree ground reduces the arrangement quantity of evaporator 40 and air circulation device 50, can reduce the cost and weight of battery case 100, can be with
So that battery case 100 meets the lightweight requirements of vehicle.
Battery case 100 according to the ... of the embodiment of the present invention passes through the cooling orifice plate 30 of setting, evaporator 40 and air circulation device
50, it can so that battery case 100 is that its internal battery modules 20 provides cold wind, to which cold wind can take away battery modules 20
Heat, and then the operating temperature of battery modules 20 can be quickly reduced, the operating temperature of battery modules 20 can be made suitable, it can
To improve the capacity of battery modules 20 and extend its service life, the performance of vehicle can be improved.
A specific embodiment according to the present invention, as shown in Fig. 2, cooling orifice plate 30 be spaced apart with bottom wall 11 it is cold to be formed
But air duct 32 are provided with jet hole 33 between cooling air channel 32 and evaporator 40.In other words, cooling air channel 32 is connected to cooling hole
Between 31 and evaporator 40, and cooling air channel 32 is connected to evaporator 40 by jet hole 33, so that wind can be abundant
It exchanges heat with evaporator 40, the cold wind for the completion that exchanges heat can be entered by jet hole 33 in cooling air channel 32, and cold wind leads to again
Supercooling hole 31 is sent to battery modules 20.The heat exchange efficiency of evaporator 40 is higher as a result, can preferably be supplied to battery modules
20 cold wind can preferably reduce the operating temperature of battery modules 20, can preferably improve the capacity of battery modules 20 and prolong
Its long service life.
Optionally, in conjunction with shown in Fig. 2 and Fig. 3, battery case 100 can also include：Holder 60, holder 60 support battery modules
20, the evaporator installation space for installing evaporator 40 is limited between holder 60 and bottom wall 11, the setting of jet hole 33 is being propped up
On the wall of frame 60.Wherein, jet hole 33 can be respectively formed in the two side walls of holder 60 in order to the cold wind for the completion that exchanges heat
It can be flowed respectively to the cooling air channel of both sides 32, so that evaporator 40 can be that two battery modules 20 carry simultaneously
Supply cold wind.
According to a preferred embodiment of the present invention, as shown in figure 3, the size of cooling hole 31 on cooling orifice plate 30 according to
Distance apart from evaporator 40 is in increasing trend.It should be noted that the flow direction of cold wind is from evaporator 40 to far from steaming
The direction flowing of device 40 is sent out, in cold wind flow process, the wind speed of cold wind is gradually relatively low, and temperature continuously decreases, cold by adjusting
But the size of the cooling hole 31 on orifice plate 30 can make the cold wind temperature that the cooling hole 31 close to evaporator 40 is discharged relatively low
And wind speed is very fast, and cold wind temperature drift and wind speed that the cooling hole 31 far from evaporator 40 can be made to be discharged are slower,
But cold wind quantity can be more, so that the temperature of battery modules 20 is uniform, it is ensured that the work of battery modules 20
Make reliability.
According to a further advantageous embodiment of the invention, as shown in figure 3, battery case 100 can also include：Multiple wind deflectors
70, wind deflector 70 is arranged on the upper surface of cooling orifice plate 30, multiple wind deflectors 70 on the length direction of evaporator 40 each other
It is spaced apart, and each wind deflector 70 extends along the direction for being generally normal to evaporator 40.In this way, being discharged from cooling hole 31 cold
Wind can flow up under the guiding role of wind deflector 70 so that cold wind in the up-down direction fully with battery mould
20 heat exchange of group, and the wind flowed up can be conveyed to evaporator 40 again under the action of air circulation device 50, to
A circulating air duct can be formed in battery case 100, can preferably reduce the temperature of battery modules 20.
Preferably, as shown in figure 3, forming intermediate air duct 71, the width in intermediate air duct 71 between two adjacent wind deflectors 70
Degree (length of intermediate air duct 71 i.e. shown in Fig. 3 in the longitudinal direction) tapers off according to the direction far from evaporator 40
Gesture.By the way that intermediate air duct 71 is arranged, the flow velocity of cold wind in the up-down direction can be accelerated, can make cold wind preferably with battery
Module 20 exchanges heat, and can preferably reduce the operating temperature of battery modules 20.Moreover, by by intermediate air duct 71 according to above-mentioned
Mode arranges, flowing velocity is close in the up-down direction for the wind that can make everywhere, can be in order to the overall flow of circulating air duct
Smoothness.
Vehicle according to the ... of the embodiment of the present invention includes the battery case 100 of above-described embodiment, since battery case 100 is with cold
But orifice plate 30, evaporator 40 and air circulation device 50, to battery case 100 can be fed to its internal battery modules 20 it is cold
Wind, cold wind can take away the heat of battery modules 20, and then can quickly reduce the operating temperature of battery modules 20, can make
The operating temperature of battery modules 20 is suitable, can improve the capacity of battery modules 20 and extend its service life, can improve vehicle
Performance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of battery case, which is characterized in that including：
Babinet；
Battery modules, the battery modules are arranged in the babinet and are spaced apart with the bottom wall of the babinet；
Cooling orifice plate, the cooling orifice plate are arranged between the battery modules and the bottom wall, are opened up on the cooling orifice plate
There is the cooling hole towards the battery modules bottom surface；
Evaporator, the evaporator are arranged in the babinet；And
Air circulation device, the air circulation device are arranged in the babinet and for the air in babinet to be oriented to evaporation
Device will simultaneously be exported with cold air is formed by after evaporator heat exchange to cooling orifice plate, so that cold wind is blowed to by cooling hole
The battery modules.
2. battery case according to claim 1, which is characterized in that the cooling orifice plate is spaced apart with the bottom wall to be formed
Cooling air channel is provided with jet hole between the cooling air channel and the evaporator.
3. battery case according to claim 2, which is characterized in that further include：Holder, the holder support the battery mould
Group limits the evaporator installation space for installing the evaporator, the jet hole between the holder and the bottom wall
It is arranged on the wall of the holder.
4. battery case according to claim 1, which is characterized in that the size of the cooling hole on the cooling orifice plate according to away from
It is in increasing trend with a distance from the evaporator.
5. battery case according to claim 1, which is characterized in that further include：Multiple wind deflectors, the wind deflector setting exist
On the upper surface of the cooling orifice plate, the multiple wind deflector is separated from each other on the length direction of the evaporator, and every
A wind deflector extends along the direction for being generally normal to the evaporator length direction.
6. battery case according to claim 5, which is characterized in that form intermediate wind between two adjacent wind deflectors
Road, the width in the intermediate air duct taper off trend according to the direction far from the evaporator.
7. battery case according to claim 1, which is characterized in that the battery modules are divided into two groups and are spaced apart, described
Evaporator and the air circulation device are arranged between battery modules described in two groups.
8. battery case according to claim 1, which is characterized in that the air circulation device includes：Jet blower.
9. battery case according to claim 8, which is characterized in that the jet blower is multiple and along the evaporator
Length direction is distributed.
10. a kind of vehicle, which is characterized in that include the battery case according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610248072.7A CN105789736B (en) | 2016-04-20 | 2016-04-20 | Battery case and vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610248072.7A CN105789736B (en) | 2016-04-20 | 2016-04-20 | Battery case and vehicle with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105789736A CN105789736A (en) | 2016-07-20 |
| CN105789736B true CN105789736B (en) | 2018-07-17 |
Family
ID=56398025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610248072.7A Expired - Fee Related CN105789736B (en) | 2016-04-20 | 2016-04-20 | Battery case and vehicle with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105789736B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299544A (en) * | 2016-10-21 | 2017-01-04 | 法乐第(北京)网络科技有限公司 | Battery modules and battery bag |
| CN107611308A (en) * | 2017-09-23 | 2018-01-19 | 芜湖雪影实业有限公司 | Battery installation structure of electric car |
| CN107719091A (en) * | 2017-09-23 | 2018-02-23 | 芜湖雪影实业有限公司 | A kind of battery installation structure of electric car |
| CN110233311A (en) * | 2019-07-08 | 2019-09-13 | 中车资阳机车有限公司 | A kind of machine Vehicular dynamic battery air cooling system |
| CN110265749B (en) * | 2019-07-10 | 2021-04-02 | 湖北亿纬动力有限公司 | Battery box |
| CN216015505U (en) * | 2021-08-31 | 2022-03-11 | 欣旺达电动汽车电池有限公司 | Battery box and battery pack |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728595A (en) * | 2008-10-10 | 2010-06-09 | 比亚迪股份有限公司 | Battery pack |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7642006B2 (en) * | 2004-11-29 | 2010-01-05 | Samsung Sdi Co., Ltd. | Secondary battery module |
-
2016
- 2016-04-20 CN CN201610248072.7A patent/CN105789736B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728595A (en) * | 2008-10-10 | 2010-06-09 | 比亚迪股份有限公司 | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105789736A (en) | 2016-07-20 |
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