CN109921151A - Power battery isolating device and cooling system - Google Patents
Power battery isolating device and cooling system Download PDFInfo
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- CN109921151A CN109921151A CN201910176853.3A CN201910176853A CN109921151A CN 109921151 A CN109921151 A CN 109921151A CN 201910176853 A CN201910176853 A CN 201910176853A CN 109921151 A CN109921151 A CN 109921151A
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- grid
- separation net
- power battery
- isolating device
- battery
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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 present invention relates to power battery fields, a kind of power battery isolating device and cooling system are provided, including multiple separation nets and battery pack, the separation net is made of multiple grids interconnected, the cross section of the grid is polygon, is superposed between multiple separation nets, and the grid on two adjacent separation nets is interconnected and projection on the contact surface is not overlapped, the battery pack includes multiple batteries interconnected, and the battery is mounted in the grid.Power battery isolating device of the invention are individually isolated by grid by multiple batteries in battery pack, avoid the accumulation of battery pack heat, by the way that separation net is staggered, enable the air into grid between grid sufficiently with the leeward face contact of battery, and take the heat of battery out of grid, to reduce the temperature difference of battery.
Description
Technical field
The present invention relates to power battery field, in particular to a kind of power battery isolating device and cooling system.
Background technique
Lithium-ion-power cell (hereinafter referred to as battery) is because having high capacity, high-energy density, high voltage, low self-discharge rate
And the features such as memoryless function and become New Generation of Electric Vehicle power battery.
In practical applications, battery usually forms battery pack in series and parallel, and battery pack can generate heat in charge and discharge process,
The accumulation of heat will cause the degeneration and failure of battery, can also cause to burn when serious；The type of cooling of battery includes that air is cold
But, cooling air goes out from side into the other side, and air constantly exchanges heat with battery during flowing and carries capacity, causes
Mouth side cooling capacity is insufficient, meanwhile, leeward insufficient flow causes battery windward side and the leeward temperature difference to increase, and influences battery work
Make.
Therefore, the accumulation of battery pack heat, the battery temperature difference are people's urgent problem greatly.
Summary of the invention
In view of this, the present invention is directed to propose a kind of power battery isolating device and cooling system, power battery isolation
Device battery can be individually isolated using grid, to avoid the accumulation of battery pack heat, by the separation net of superposition, so that cooling
Air sufficiently exchanges heat between grid, and the heat of battery leeward is taken out of, reduces the battery temperature difference.
In order to achieve the above objectives, one aspect of the present invention provides a kind of power battery isolating device, including multiple separation nets and
Battery pack, the separation net are made of multiple grids interconnected, and the cross section of the grid is polygon, it is multiple it is described every
Be superposed between off-network, the grid on two adjacent separation nets be interconnected and projection on the contact surface not
It is overlapped, the battery pack includes multiple batteries interconnected, and the battery is mounted in the grid.
Preferably, the cross section of the grid includes regular polygon.
Preferably, the shape of the cross section of the grid is identical, size is identical.
Preferably, the shape of the cross section of the grid be equilateral triangle, two of the adjacent grid of any two
The vertex of adjacent side is mutually aligned.
Preferably, two adjacent separation nets include upper separation net and lower separation net, the upper separation net with it is described
The net of the lower separation net in the projection on the contact surface of the upper separation net and the lower separation net, on the upper separation net
The vertex of lattice is overlapped with the midpoint of the grid on the lower separation net.
Preferably, the inner wall of the grid is equipped with non-slip mat.
Preferably, the number of the non-slip mat is three, and three non-slip mats are separately positioned on three of the grid
On inner wall.
Preferably, the material of the separation net includes fire proofing.
Meanwhile the present invention also provides a kind of power battery cooling systems, including cabinet, air-exhausting duct, air-introduced machine and the present invention
The power battery isolating device, the power battery isolating device are arranged in the cabinet, and the cabinet is equipped with row
Air port, one end of the air-exhausting duct are connect with the exhaust outlet, and the other end is connect with the air-introduced machine.
Preferably, the cabinet is equipped with multiple exhaust outlets, and multiple exhaust outlets are evenly arranged on the top of the cabinet
Face, each exhaust outlet pass through the air-exhausting duct and connect with the air-introduced machine.
Compared with the existing technology, power battery isolating device of the invention passes through grid for multiple battery lists in battery pack
Solely isolation avoids the accumulation of battery pack heat, by the way that separation net is staggered, enables the air into grid in grid
Between sufficiently with the leeward face contact of battery, and the heat of battery is taken out of grid, to reduce the temperature difference of battery.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies mode and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of power battery isolating device of the invention；
Fig. 2 is the top view of power battery isolating device in Fig. 1；
Fig. 3 is the structural schematic diagram of multiple power battery isolating device overlaying states；
Fig. 4 is the top view of multiple power battery isolating device overlaying states；
Fig. 5 is the structural schematic diagram of cabinet of the invention；
Fig. 6 is the partial sectional view of power battery cooling system of the invention.
Description of symbols:
1 separation net, 2 battery
3 cabinet, 11 grid
31 exhaust outlets
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " typically refers to
With reference to upper and lower, left and right shown in the drawings；" inside and outside " refers to the inside and outside of the profile relative to each component itself.Below with reference to
Attached drawing and in conjunction with embodiment come the present invention will be described in detail.
According to an aspect of the present invention, a kind of power battery isolating device is provided, as shown in Figure 1 and Figure 4, including it is multiple
Separation net 1 and battery pack, the separation net 1 are made of multiple grids 11 interconnected, and the cross section of the grid 11 is more
Side shape, multiple separation nets 1 are superposed, the grid 11 on the separation net 1 of adjacent two be interconnected and
Projection on contact surface is not overlapped, and the battery pack includes multiple batteries interconnected 2, and the battery 2 is mounted on the net
In lattice 11.
Power battery isolating device of the invention are individually isolated by grid 11 by multiple batteries 2 in battery pack, are avoided
The accumulation of battery pack heat, reduces the temperature difference in battery pack；By the way that separation net 1 is staggered, one is passed through
The air of separation net 1 is when entering next separation net 1, by battery 2 in the grid 11 and grid 11 on next separation net 1
Blocking, flow-disturbing can be formed between two separation nets 1, thus abundant with the leeward of the battery 2 in a upper separation net 1
Heat exchange, and the heat of battery 2 is taken away, to reduce the temperature difference of battery 2.
Among the above, in order to improve the packing density of battery 2, the cross section of the grid 11 includes regular polygon.It is multiple just
Plane can be all paved with by the grid 11 of polygon, improve the utilization rate in space.
Among the above, while improving the packing density of battery 2, keep the heat dissipation effect of separation net 1 uniform, it is preferable that
The shape of the cross section of the grid 11 is identical, size is identical.The shape of the cross section of the grid 11 includes equilateral triangle, just
Quadrangle, regular hexagon etc..
Further, the shape of the cross section of the grid 11 is equilateral triangle, the adjacent grid 11 of any two
The vertex of two adjacent sides be mutually aligned.Such setting on the one hand can after placing battery 2, grid 11 and battery 2 it
Between there are larger gap, provide sufficiently large vent passages for battery 2, improve the radiating efficiency of battery 2, on the other hand, positive three
It is angular to be paved with entire plane, improve the layout density of battery 2.
In separation net 1, the battery 2 can be mounted in each grid 11, it can also will be between the battery 2
It can be that separation net 1 provides heat dissipation channel to install the grid 11 of the battery 2, further every being mounted in the grid 11
Improve radiating efficiency.
In order to reduce the temperature difference on single battery 2, the separation net 1 of adjacent two includes upper separation net and upper isolation
Net, the upper separation net and the upper separation net in the projection on the contact surface of the upper separation net and the upper separation net,
The vertex of the grid 11 on the upper separation net is overlapped with the midpoint of the grid 11 on the upper separation net.It is such
The air for passing through separation net is set when entering upper separation net, by electric in the grid 11 and grid 11 on upper separation net
The blocking in pond 2 forms flow-disturbing between upper separation net and upper separation net, to fill with the leeward of the battery 2 in upper separation net
Divide heat exchange, and the heat of battery 2 is taken away by the grid 11 of upper separation net, to reduce the temperature difference of battery 2.
Battery 2 generates displacement in grid 11 in order to prevent, and the inner wall of the grid 11 is equipped with non-slip mat.Preferably,
The material of the non-slip mat is rubber.
Further, the number of the non-slip mat is three, and three non-slip mats are separately positioned on the grid 11
On three inner walls.Such setting can sufficiently position battery 2, while reserve channel for cooling air.
Single battery 2 breaks down and jeopardizes adjacent battery 2 when burning in order to prevent, the material packet of the separation net 1
Include fire proofing.The fire proofing includes organic fire proofing and inorganic anti-flaming material.Further, including flame retardant plastics and
Flame retardant rubber.
Meanwhile the present invention also provides a kind of power battery cooling systems, as shown in Fig. 5 Fig. 6, including cabinet 3, air-exhausting duct,
Air-introduced machine and power battery isolating device of the present invention, the bottom of the cabinet 3 is built by a plurality of bracket to be constituted, described dynamic
Power battery isolating device is arranged in the cabinet 3, is additionally provided with filtering between the power battery isolating device and the cabinet 3
Net, the cabinet 3 are equipped with exhaust outlet 31, and one end of the air-exhausting duct is connect with the exhaust outlet 31, and the other end draws with described
Blower connection.Such setting can be risen at the top of the trend using hot-air, enable 2 cooling system of power battery
Cooling air is absorbed by the bottom of cabinet 3, is discharged by grid 11, then by exhaust outlet, improves radiating efficiency.
Further, in order to keep the temperature of the different location of battery pack more uniform, the cabinet 3 is equipped with multiple described
Exhaust outlet 31, multiple exhaust outlets 31 are evenly arranged on the top surface of the cabinet 3, and each exhaust outlet 31 passes through described in one
Air-exhausting duct is connect with the air-introduced machine.By the way that air-introduced machine is arranged, the flowing velocity of cooling air is improved, so that in grid 11
Cooling air is constantly updated, and radiating efficiency is improved.
When using power battery cooling system of the present invention, air-introduced machine is opened, extracts grid 11 out using air-introduced machine
Interior air promotes cooling air to enter the net that the separation net 1 of 3 bottom of cabinet is arranged in by filter screen from the bottom of cabinet 3
Lattice 11, then by the grid 11 of the separation net 1 of bottom rise to top separation net 1 grid 11, in this process, cooling air
Body generates between adjacent separation net 1 by the gap between grid 11 and battery 2 and gives you flow-disturbing, and it is leeward to take away battery 2
The heat in face finally flows out cabinet 3 by exhaust outlet and air-introduced machine.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of power battery isolating device, which is characterized in that including multiple separation nets (1) and battery (2) group, the separation net
(1) it is made of multiple grids (11) interconnected, the cross section of the grid (11) is polygon, multiple separation nets
(1) it is superposed between, the grid (11) on the separation net (1) of adjacent two is interconnected and on the contact surface
Projection is not overlapped, and battery (2) group includes multiple batteries (2) interconnected, and the battery (2) is mounted on the grid
(11) in.
2. power battery isolating device according to claim 1, which is characterized in that the cross section of the grid (11) includes
Regular polygon.
3. power battery isolating device according to claim 2, which is characterized in that the shape of the cross section of the grid (11)
Shape is identical, size is identical.
4. power battery isolating device according to claim 3, which is characterized in that the shape of the cross section of the grid (11)
Shape is equilateral triangle, and the vertex of two adjacent sides of the adjacent grid (11) of any two is mutually aligned.
5. power battery isolating device according to claim 4, which is characterized in that the separation net (1) of adjacent two
Including upper separation net and lower separation net, the upper separation net and the lower separation net are in the upper separation net and the lower separation net
Contact surface on projection in, the net on the vertex of the grid (11) on the upper separation net and the lower separation net
The midpoint of lattice (11) is overlapped.
6. power battery isolating device according to claim 4, which is characterized in that the inner wall of the grid (11) is equipped with
Non-slip mat.
7. power battery isolating device according to claim 6, which is characterized in that the number of the non-slip mat is three,
Three non-slip mats are separately positioned on three inner walls of the grid (11).
8. power battery isolating device according to claim 1, which is characterized in that the material of the separation net (1) includes
Fire proofing.
9. a kind of power battery cooling system, which is characterized in that including cabinet (3), air-exhausting duct, air-introduced machine and claim 1 to 8
The power battery isolating device, the power battery isolating device setting is in the cabinet (3), on the cabinet (3)
Equipped with exhaust outlet (31), one end of the air-exhausting duct is connect with the exhaust outlet (31), and the other end is connect with the air-introduced machine.
10. power battery cooling system according to claim 9, which is characterized in that the cabinet (3) is equipped with multiple institutes
It states exhaust outlet (31), multiple exhaust outlets (31) are evenly arranged on the top surface of the cabinet (3), and each exhaust outlet (31) is logical
The air-exhausting duct is crossed to connect with the air-introduced machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176853.3A CN109921151A (en) | 2019-03-08 | 2019-03-08 | Power battery isolating device and cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176853.3A CN109921151A (en) | 2019-03-08 | 2019-03-08 | Power battery isolating device and cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109921151A true CN109921151A (en) | 2019-06-21 |
Family
ID=66963944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910176853.3A Pending CN109921151A (en) | 2019-03-08 | 2019-03-08 | Power battery isolating device and cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109921151A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024021A (en) * | 2014-04-21 | 2015-11-04 | 北京普莱德新能源电池科技有限公司 | Parallel-type air-cooling battery box |
| CN107925024A (en) * | 2016-01-21 | 2018-04-17 | 松下知识产权经营株式会社 | Battery module |
| CN207282547U (en) * | 2017-08-18 | 2018-04-27 | 国联汽车动力电池研究院有限责任公司 | Integration power battery module |
-
2019
- 2019-03-08 CN CN201910176853.3A patent/CN109921151A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024021A (en) * | 2014-04-21 | 2015-11-04 | 北京普莱德新能源电池科技有限公司 | Parallel-type air-cooling battery box |
| CN107925024A (en) * | 2016-01-21 | 2018-04-17 | 松下知识产权经营株式会社 | Battery module |
| CN207282547U (en) * | 2017-08-18 | 2018-04-27 | 国联汽车动力电池研究院有限责任公司 | Integration power battery module |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |
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| RJ01 | Rejection of invention patent application after publication |