CN108987845A - A kind of Vehicular dynamic battery system - Google Patents
A kind of Vehicular dynamic battery system Download PDFInfo
- Publication number
- CN108987845A CN108987845A CN201710401588.5A CN201710401588A CN108987845A CN 108987845 A CN108987845 A CN 108987845A CN 201710401588 A CN201710401588 A CN 201710401588A CN 108987845 A CN108987845 A CN 108987845A
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- China
- Prior art keywords
- metallic conduction
- battery
- battery case
- vehicular dynamic
- draft fan
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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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- 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
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- H01M10/6567—Liquids
-
- 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
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
A kind of Vehicular dynamic battery system, including battery case, power battery and cooling device, the power battery is located at the center position of battery case, the cooling device includes water-cooling system and air cooling system, the air cooling system includes draft fan and temperature controller, draft fan is controlled to a power supply by temperature controller, temperature controller includes metal shell, input power cord, output power line, inclined-plane slide plate, weighty slider, metallic conduction slot, metallic conduction piece, insulation strip and wax stone, the upper and lower ends of the inclined-plane slide plate are connected with two diagonal ends in metal shell respectively.Not only cooling effect is stronger by the design, but also the degree of automation is higher.
Description
Technical field
The present invention relates to a kind of power battery equipment more particularly to a kind of Vehicular dynamic battery systems, and it is particularly applicable to increase
Strong cooling effect, to ensure the temperature uniformity of power battery surrounding enviroment.
Background technique
With the quick development of electric car, electrokinetic cell system is as the core for directly affecting electric car working performance
The requirement of center portion part, performance is also higher and higher.Currently used electrokinetic cell system is lithium ion battery, has high-energy
Density, excellent power out-put characteristic and service life long advantage, but it is higher to the temperature requirement of surrounding enviroment, temperature it is excessively high or
The too low reliability and security that can be all used for causes large effect.It exists in the prior art and power battery is dropped
The design of temperature, but cooling effect is all weaker, it is difficult to meet existing requirement.
Summary of the invention
The purpose of the present invention is overcome the problems, such as the weaker defect of cooling effect existing in the prior art and, a kind of drop is provided
The stronger Vehicular dynamic battery system of temp effect.
In order to achieve the above object, the technical solution of the invention is as follows: a kind of Vehicular dynamic battery system, including battery
Case, power battery and cooling device, the power battery are located at the center position of battery case, and cooling is provided on battery case
Device；
The cooling device includes water-cooling system and air cooling system, and the air cooling system includes that draft fan and temperature control
Device, and draft fan is controlled to a power supply by temperature controller；
The temperature controller includes metal shell, input power cord, output power line, inclined-plane slide plate, weighty slider, metal
Conductive trough, metallic conduction piece, insulation strip and wax stone, the upper and lower ends of the inclined-plane slide plate are right with two in metal shell respectively
Angle end is connected, and the bottom surface of weighty slider is slidably matched along the top surface of inclined-plane slide plate, and the top surface of weighty slider, the junction of right side pass through
Wax stone is mutually be bonded with the roof of metal shell, and the left side of weighty slider is connected through insulation strip with the inner end of metallic conduction piece, gold
The middle part for belonging to conductive sheet is connected through input power cord with one end of power supply, the outer end of metallic conduction piece and metallic conduction slot face
Setting, metallic conduction slot are connected through insulation rear wall with the left side wall of metal shell, and the back side of metallic conduction slot is through output electricity
Source line is connected with draft fan.
Position on the side wall of the battery case positioned at draft fan back offers air inlet, on the side wall of battery case with it is logical
The position of fan face offers air outlet, and air inlet and outlet face is arranged.
The water-cooling system includes water pump and water flow circuits, and water pump is communicated with one end of water flow circuits, water flow circuits it is another
One end wriggle drawing-in power battery bottom and then communicated with water pump.
The meandering manner of the water flow circuits is Back Word type, snakelike or Z-shaped of turning back.
A plurality of cooling fin is evenly arranged at the top of the power battery, and adjacent cooling fin is arranged in parallel.
It is covered with heat-insulation noise-reduction protective layer on the side wall and bottom wall of the battery case, the heat-insulation noise-reduction protective layer and battery case
Connection type be bonding.
Wire box is provided on the roof of the metal shell to shelve input power cord, one end drawing-in line of input power cord
Be connected after the bottom wall of box in the middle part of metallic conduction piece, after the roof of the other end drawing-in wire box of input power cord with power supply rope
One end be connected.
The insulation strip includes rake and horizontal part, and the left side of the high-end and weighty slider of rake is connected, inclination
The low side in portion is connected through horizontal part with the inner end of metallic conduction piece.
The position of nearly metallic conduction slot is provided with the straight seat of limit on the inclined-plane slide plate, and the height of the straight seat of the limit is greater than weight
The height of sliding block.
Compared with prior art, the invention has the benefit that
1, in a kind of Vehicular dynamic battery system of the present invention, the cooling device in battery case includes water-cooling system and air-cooled system
System, in use, both can individually cool down using air cooling system or water-cooling system, can also use air cooling system, water simultaneously
Cooling system cools down together, and cooling effect is significant.Therefore, cooling effect of the invention is stronger.
2, in a kind of Vehicular dynamic battery system of the present invention, air cooling system includes draft fan and temperature controller, draft fan
It is controlled to a power supply by temperature controller, in use, the heat that power battery operation distributes can to generate high temperature in case, it should
High temperature will start temperature controller with turn-on power, draft fan, so as to windchill is carried out in battery case, whole process is complete certainly
Dynamic operation, cooling efficiency are higher.Therefore, not only cooling effect is stronger by the present invention, but also the degree of automation is higher.
3, in a kind of Vehicular dynamic battery system of the present invention, heat-insulation noise-reduction guarantor is covered on the side wall and bottom wall of battery case
Sheath, the heat-insulation noise-reduction protective layer and the connection type of battery case be it is Nian Jie, which can be to avoid battery case
Outer environment has an impact the temperature inside the box, it is ensured that the normal performance that case internal air-cooling system, water-cooling system act on improves cooling effect
Fruit.Therefore, cooling effect of the invention is preferable.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of temperature controller in the present invention.
In figure: battery case 1, heat-insulation noise-reduction protective layer 11, power battery 2, cooling fin 21, air inlet 3, air outlet 4, water pump
5, water flow circuits 51, temperature controller 6, metal shell 61, input power cord 62, wire box 621, output power line 63, inclined-plane are sliding
Plate 64, weighty slider 65, the straight seat 651 of limit, metallic conduction slot 66, insulation rear wall 661, metallic conduction piece 67, insulation strip 68, inclination
Portion 681, horizontal part 682, wax stone 69, draft fan 7.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 2, a kind of Vehicular dynamic battery system, including battery case 1, power battery 2 and cooling device, institute
The center position that power battery 2 is located at battery case 1 is stated, and is provided with cooling device on battery case 1；
The cooling device includes water-cooling system and air cooling system, and the air cooling system includes that draft fan 7 and temperature control
Device 6, and draft fan 7 is controlled to a power supply by temperature controller 6；
The temperature controller 6 includes metal shell 61, input power cord 62, output power line 63, inclined-plane slide plate 64, again
Sliding block 65, metallic conduction slot 66, metallic conduction piece 67, insulation strip 68 and wax stone 69, the upper and lower ends point of the inclined-plane slide plate 64
It is not connected with two diagonal ends in metal shell 61, the bottom surface of weighty slider 65 is slidably matched along the top surface of inclined-plane slide plate 64,
Top surface, the junction of right side of weighty slider 65 are mutually be bonded with the roof of metal shell 61 through wax stone 69, the left side of weighty slider 65
Face is connected through insulation strip 68 with the inner end of metallic conduction piece 67, and the middle part of metallic conduction piece 67 is through input power cord 62 and power supply
One end be connected, the outer end of metallic conduction piece 67 and 66 face of metallic conduction slot are arranged, and metallic conduction slot 66 is through the rear wall that insulate
661 are connected with the left side wall of metal shell 61, and the back side of metallic conduction slot 66 is connected through output power line 63 with draft fan 7
It connects.
Position on the side wall of the battery case 1 positioned at 7 back of draft fan offers air inlet 3, on the side wall of battery case 1
Air outlet 4 is offered with the position of 7 face of draft fan, and air inlet 3,4 face of air outlet are arranged.
The water-cooling system includes water pump 5 and water flow circuits 51, and water pump 5 is communicated with one end of water flow circuits 51, and water flow is returned
The other end on road 51 wriggle drawing-in power battery 2 bottom and then communicated with water pump 5.
The meandering manner of the water flow circuits 51 is Back Word type, snakelike or Z-shaped of turning back.
The top of the power battery 2 is evenly arranged with a plurality of cooling fin 21, and adjacent cooling fin 21 is parallel to each other and sets
It sets.
Be covered with heat-insulation noise-reduction protective layer 11 on the side wall and bottom wall of the battery case 1, the heat-insulation noise-reduction protective layer 11 with
The connection type of battery case 1 is bonding.
Wire box 621 is provided on the roof of the metal shell 61 to shelve input power cord 62, input power cord 62
It is connected after the bottom wall of one end drawing-in wire box 621 with the middle part of metallic conduction piece 67, the other end drawing-in line of input power cord 62
It is connected after the roof of box 621 with one end of power supply rope 4.
The insulation strip 68 includes rake 681 and horizontal part 682, the left side of the high-end and weighty slider 65 of rake 681
Face is connected, and the low side of rake 681 is connected through horizontal part 682 with the inner end of metallic conduction piece 67.
The position of nearly metallic conduction slot 66 is provided with the straight seat 651 of limit on the inclined-plane slide plate 64, the straight seat 651 of the limit
Height is greater than the height of weighty slider 65.
In use, the high temperature that the operation of power battery 2 generates can increase the temperature in battery case 1, temperature is reached to a certain degree
Afterwards, it will start temperature controller 6,6 turn-on power of temperature controller, the draft fan 7 being activated realize the ventilation drop of draft fan 7
Temperature, to be reduced to the temperature in case, it is ensured that the normal use of power battery 2.Meanwhile water pump 5, water in water-cooling system
Flowing back to road 51 also can play preferable cooling effect to power battery 2.Finally, covered on the side wall and bottom wall of battery case 1 every
Equipment in battery case 1 can be isolated by heat drop protective layer 11 of making an uproar with external environment, it is ensured that case internal air-cooling system, water-cooling system are made
Normal performance improves cooling effect.
Embodiment 1:
A kind of Vehicular dynamic battery system, including battery case 1, power battery 2 and cooling device, the power battery 2
Cooling device is provided in the center position of battery case 1, and on battery case 1；The cooling device includes water-cooling system and wind
Cooling system, the air cooling system includes draft fan 7 and temperature controller 6, and draft fan 7 passes through temperature controller 6 and power supply phase
Connection；The temperature controller 6 includes metal shell 61, input power cord 62, output power line 63, inclined-plane slide plate 64, slides again
The upper and lower ends of block 65, metallic conduction slot 66, metallic conduction piece 67, insulation strip 68 and wax stone 69, the inclined-plane slide plate 64 are distinguished
It is connected with two diagonal ends in metal shell 61, the bottom surface of weighty slider 65 is slidably matched along the top surface of inclined-plane slide plate 64, weight
Top surface, the junction of right side of sliding block 65 are mutually be bonded with the roof of metal shell 61 through wax stone 69, the left side of weighty slider 65
It is connected through insulation strip 68 with the inner end of metallic conduction piece 67, the middle part of metallic conduction piece 67 is through input power cord 62 and power supply
One end is connected, and the outer end of metallic conduction piece 67 and 66 face of metallic conduction slot are arranged, and metallic conduction slot 66 is through the rear wall 661 that insulate
It is connected with the left side wall of metal shell 61, and the back side of metallic conduction slot 66 is connected through output power line 63 with draft fan 7.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
Position on the side wall of the battery case 1 positioned at 7 back of draft fan offers air inlet 3, on the side wall of battery case 1
Air outlet 4 is offered with the position of 7 face of draft fan, and air inlet 3,4 face of air outlet are arranged.The top of the power battery 2
Portion is evenly arranged with a plurality of cooling fin 21, and adjacent cooling fin 21 is arranged in parallel.The side wall and bottom wall of the battery case 1
On be covered with heat-insulation noise-reduction protective layer 11, the heat-insulation noise-reduction protective layer 11 and the connection type of battery case 1 are Nian Jie.
Embodiment 3:
Basic content with embodiment 1, the difference is that:
The water-cooling system includes water pump 5 and water flow circuits 51, and water pump 5 is communicated with one end of water flow circuits 51, and water flow is returned
The other end on road 51 wriggle drawing-in power battery 2 bottom and then communicated with water pump 5.The sinuous side of the water flow circuits 51
Formula is Back Word type, snakelike or Z-shaped of turning back.
The foregoing is merely better embodiment of the invention, protection scope of the present invention is not with above embodiment
Limit, as long as those of ordinary skill in the art's equivalent modification or variation made by disclosure according to the present invention, should all be included in power
In the protection scope recorded in sharp claim.
Claims (9)
1. a kind of Vehicular dynamic battery system, including battery case (1), power battery (2) and cooling device, the power battery
(2) it is located at the center position of battery case (1), and is provided with cooling device on battery case (1), it is characterised in that:
The cooling device includes water-cooling system and air cooling system, and the air cooling system includes draft fan (7) and temperature controller
(6), and draft fan (7) is controlled to a power supply by temperature controller (6)；
The temperature controller (6) includes metal shell (61), input power cord (62), output power line (63), inclined-plane slide plate
(64), weighty slider (65), metallic conduction slot (66), metallic conduction piece (67), insulation strip (68) and wax stone (69), the inclined-plane are sliding
The upper and lower ends of plate (64) are connected with two diagonal ends in metal shell (61) respectively, and the bottom surface of weighty slider (65) is along inclined-plane
The top surface of slide plate (64) is slidably matched, the top surface of weighty slider (65), right side junction through wax stone (69) and metal shell
(61) roof is mutually bonded, and the left side of weighty slider (65) is connected through insulation strip (68) with the inner end of metallic conduction piece (67),
The middle part of metallic conduction piece (67) is connected through input power cord (62) with one end of power supply, the outer end of metallic conduction piece (67) with
The setting of metallic conduction slot (66) face, left side wall phase of the metallic conduction slot (66) through insulate rear wall (661) and metal shell (61)
Connection, and the back side of metallic conduction slot (66) is connected through output power line (63) with draft fan (7).
2. a kind of Vehicular dynamic battery system according to claim 1, it is characterised in that: the side wall of the battery case (1)
The upper position positioned at draft fan (7) back offers air inlet (3), on the side wall of battery case (1) with the position of draft fan (7) face
It sets and offers air outlet (4), and air inlet (3), air outlet (4) face are arranged.
3. a kind of Vehicular dynamic battery system according to claim 1 or 2, it is characterised in that: the water-cooling system includes
Water pump (5) and water flow circuits (51), water pump (5) are communicated with one end of water flow circuits (51), and the other end of water flow circuits (51) is wriggled
It the bottom of Yan drawing-in power battery (2) and then is communicated with water pump (5).
4. a kind of Vehicular dynamic battery system according to claim 3, it is characterised in that: water flow circuits (51) wriggle
Yan mode is Back Word type, snakelike or Z-shaped of turning back.
5. a kind of Vehicular dynamic battery system according to claim 1, it is characterised in that: the top of the power battery (2)
Portion is evenly arranged with a plurality of cooling fin (21), and adjacent cooling fin (21) is arranged in parallel.
6. a kind of Vehicular dynamic battery system according to claim 1, it is characterised in that: the side wall of the battery case (1)
With heat-insulation noise-reduction protective layer (11) are covered on bottom wall, the heat-insulation noise-reduction protective layer (11) and the connection type of battery case (1) are
Bonding.
7. a kind of Vehicular dynamic battery system according to claim 1, it is characterised in that: the top of the metal shell (61)
Wire box (621) is provided on wall to shelve input power cord (62), the bottom of one end drawing-in wire box (621) of input power cord (62)
It is connected after wall in the middle part of metallic conduction piece (67), after the roof of the other end drawing-in wire box (621) of input power cord (62)
It is connected with one end of power supply rope (4).
8. a kind of Vehicular dynamic battery system according to claim 1, it is characterised in that: the insulation strip (68) includes inclining
Inclined portion (681) and horizontal part (682), the left side of the high-end and weighty slider (65) of rake (681) are connected, rake
(681) low side is connected through horizontal part (682) with the inner end of metallic conduction piece (67).
9. a kind of Vehicular dynamic battery system according to claim 1, it is characterised in that: close on the inclined-plane slide plate (64)
The position of metallic conduction slot (66) is provided with the straight seat (651) of limit, and the height of the straight seat of the limit (651) is greater than weighty slider (65)
Highly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401588.5A CN108987845A (en) | 2017-05-31 | 2017-05-31 | A kind of Vehicular dynamic battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401588.5A CN108987845A (en) | 2017-05-31 | 2017-05-31 | A kind of Vehicular dynamic battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108987845A true CN108987845A (en) | 2018-12-11 |
Family
ID=64502226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710401588.5A Pending CN108987845A (en) | 2017-05-31 | 2017-05-31 | A kind of Vehicular dynamic battery system |
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| Country | Link |
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| CN (1) | CN108987845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739504A (en) * | 2019-10-22 | 2020-01-31 | 常熟理工学院 | air-cooled heat dissipation device for vehicle power battery |
-
2017
- 2017-05-31 CN CN201710401588.5A patent/CN108987845A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739504A (en) * | 2019-10-22 | 2020-01-31 | 常熟理工学院 | air-cooled heat dissipation device for vehicle power battery |
| CN110739504B (en) * | 2019-10-22 | 2020-12-29 | 常熟理工学院 | Air-cooled heat dissipation device for vehicle power battery |
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Application publication date: 20181211 |