CN109149003A - Power battery pack cooling system - Google Patents
Power battery pack cooling system Download PDFInfo
- Publication number
- CN109149003A CN109149003A CN201810788379.5A CN201810788379A CN109149003A CN 109149003 A CN109149003 A CN 109149003A CN 201810788379 A CN201810788379 A CN 201810788379A CN 109149003 A CN109149003 A CN 109149003A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- power battery
- cooling system
- installs case
- heat
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229920002521 macromolecule Polymers 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 238000005097 cold rolling Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000004880 explosion Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- 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
-
- 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
Abstract
The present invention discloses a kind of power battery pack cooling system, including the cabinet with accommodating chamber, the Box Cover for sealing the cabinet, at least a power battery pack installs case and an at least radiating subassembly；Several mounting grooves are offered in at least outside wall surface of two opposing walls of cabinet；The power battery pack installs case is removably installed in the accommodating chamber；The radiating subassembly include collect warmware, radiating piece, be connected to by it is described collection warmware and radiating piece between to by it is described collection warmware heat conduct to several heat-conducting pieces and fan of the radiating piece；The collection warmware is removably mounted to the lower surface of the power battery pack installs case；The fan is fixed on the outer surface of the radiating piece, and the fan is located at the mounting groove.The present invention can effectively radiate to power battery pack, with the temperature for maintaining power battery pack to work, improve service efficiency and the service life of power battery pack.
Description
Technical field
The present invention relates to power battery technical field of heat dissipation more particularly to a kind of power battery pack cooling systems.
Background technique
With being showing improvement or progress day by day for science and technology, power battery is that one kind can provide the electricity of electric energy for the various vehicles
Pond, for common small-sized power supply unit battery, it has biggish electric energy storage, can satisfy the need of larger electric energy
It asks, and power lithium-ion battery therein, due to can be followed under high-energy density, high security, high magnification, partial state of charge state
Ring uses, and cycle life becomes and moves now up to 3000 times or more, the advantage such as operating temperature range wide in range (- 30 DEG C~65 DEG C)
The hot spot of power battery research.In general, power battery is on various occasions in application, being required to higher electric current carries out charge and discharge, mistake
Exothermic reaction is often accompanied by journey.Temperature has vital influence for the performance of power battery, and this is mainly due to power electrics
Pond is often very sensitive to the variation of temperature, and the otherness of battery temperature decides the service life of battery and its stability.
Specifically, influence of the temperature to battery is mainly manifested in two aspects: when the temperature is low, limiting the room temperature of power battery
Kinetic characteristics, chemical reaction velocity is slow, and energy is easy to lose, is not able to satisfy requirement；When temperature is higher, inside battery
The obvious aggravation of chemical reaction, and reaction rate and temperature, at Series Relations, every to increase 10 DEG C, chemical reaction velocity doubles, and can make
It obtains the internal resistance of cell to become smaller relatively, battery efficiency gets a promotion.But higher temperature equally also accelerates adverse reaction rate, easily
Pole plate is damaged, is also also easy to produce and overcharges, seriously affect the service life of battery, permanent damage is generated to the structure of battery.Especially
In battery use process, influenced when by Joule heat, reaction heat, polarization heat etc., a large amount of heat aggregation, temperature sharply on
It rises, influences battery life and cycle efficieny, it is serious or even set off an explosion, therefore certain temperature limiting is needed, and lithium-ion electric
The optimum operating ambient temperature in pond is 0~30 DEG C, when a large amount of dynamical lithium-ion battery packs synthesize battery pack, is easy to produce a large amount of
Heat be easy in the undesirable electric vehicle body of radiating so that the temperature of battery actual working environment significantly larger than works normally temperature
Degree, can bring security risk.Therefore, it is necessary to take cooling measure to electrical vehicular power lithium ion battery.Currently, power battery
The radiator of group mainly fans Hot-air fan using centrifugal battery, i.e., air-cooled；Or the three-phase permanent of external-rotor-type is synchronous
For motor as driving motor, the heat dissipation to battery is realized, since air outlet can not using fixed pane in air port of radiating
Accomplish to seal, influence the safety and service life of power battery pack, is unable to satisfy electric car booming at present to dynamic
The requirement of power battery heat dissipation.
Summary of the invention
For the problems such as heat dissipation effect existing for current driving force battery heat removal system is poor, battery pack cannot achieve sealing, originally
Invention provides a kind of power battery pack cooling system.
In order to achieve the above object of the invention, present invention employs the following technical solutions:
A kind of power battery pack cooling system, including the cabinet with accommodating chamber, the Box Cover for sealing the cabinet,
At least a power battery pack installs case and at least a radiating subassembly；
Several mounting grooves are offered in at least outside wall surface of two opposing walls of cabinet；The power battery pack peace
Vanning is removably installed in the accommodating chamber；
The radiating subassembly include collection warmware, radiating piece, be connected to by between collection warmware and the radiating piece to by institute
The heat for stating collection warmware is conducted to several heat-conducting pieces and fan of the radiating piece；The collection warmware is removably mounted to institute
State power battery pack installs case lower surface；The fan is fixed on the radiating piece outer surface, and the fan is located at the peace
At tankage.
Power battery cooling system of the present invention has the beneficial effect that
Compared with the existing technology, on the one hand power battery pack cooling system provided by the invention is realized by heat conducting element
The heat that power battery pack generates is conducted to fan, and by the effect of fan, enables the heat of power battery pack
It is enough timely to distribute to cabinet, it is effectively reduced the temperature of power battery pack, to guarantee power battery relative constant
At a temperature of work, improve service efficiency and the service life of battery；On the other hand, due to the presence of radiating subassembly, so that power electric
What pond group can be completely sealed is mounted in power battery pack installs case, effectively dust or moisture is prevented to enter battery pack
In, to be conducive to improve the safety of battery pack.
Detailed description of the invention
It, below will be to needed in the embodiment attached to be illustrated more clearly that the technical solution in the embodiment of the present invention
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings,
In attached drawing:
Fig. 1 is the power battery pack cooling system perspective view of the explosion that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides power battery pack cooling system perspective view of the explosion；
Fig. 3 is radiating subassembly schematic diagram in power battery pack cooling system of the present invention；
Fig. 4 is that power battery pack cooling system shown in Fig. 2 loads onto power battery pack and opens the schematic diagram of Box Cover；
Figure label: 1- cabinet；2- Box Cover；3- the first power battery pack installs case；The first radiating subassembly of 4-, 41- collection
Warmware, the first bottom plate of 411-, the first grid of 412-, 42- radiating piece, the second bottom plate of 421-, the second grid of 422-, 43- heat-conducting piece,
44- fan；5- the second power battery pack installs case；The second radiating subassembly of 6-.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1, Fig. 3, now power battery pack cooling system of the present invention is illustrated.
Fig. 1 and Fig. 3 are please referred to, the present invention provides a kind of power battery pack cooling system.
The power battery pack cooling system includes the cabinet 1 with accommodating chamber, the Box Cover 2, at least for seal case 1
One power battery pack installs case 3 and at least a radiating subassembly 4；
It offers on an at least wall surface for the outer wall of 1 liang of opposite face of cabinet for installing several mounting grooves 11；Power
Battery pack installs case 3 is removably installed in the accommodating chamber of cabinet 1；
Radiating subassembly 4 includes collection warmware 41, radiating piece 42, is connected between collection warmware 41 and radiating piece 42 to by thermal-arrest
The heat of part 41 is conducted to several heat-conducting pieces 43 of radiating piece 42 and fan 44；Collection warmware 41 is removably mounted to power battery
The lower surface of group installs case 3；Fan 44 is fixed on 42 surface of radiating piece, and is installed on mounting groove 11.
Preferably, cabinet 1 is any one of aluminium alloy box, cold-reduced sheet case, hot rolled plate case, macromolecule case.
Preferably, the outside wall surface of cabinet 1 is also equipped with several handles, to facilitate the movement of power battery pack cooling system.
Preferably, power battery pack installs case 3 is aluminium alloy box, cold-reduced sheet case, hot rolled plate case, any in macromolecule case
Kind.By power battery pack installs case 3, several power batteries Jing Guo combo are fixed, obtain power battery pack.
Preferably, the power battery pack being mounted in power battery pack installs case 3 is polymer Soft Roll, ternary lithium ion circle
Column, rectangular aluminum hull, one of LiFePO4 cylinder, rectangular aluminum hull etc..
Preferably, collecting warmware 41 (the first collection warmware in illustrating) includes horizontally disposed first bottom plate, 411 He
Several the first screens 412 upwardly extended from the first bottom plate 411, several first grids 412 perpendicular to 411 surface of the first bottom plate,
It being offered on several first screens 412 first spliced eye (not marked in figure), heat-conducting piece 43 is inserted in first spliced eye,
Several first screens 412 are supported in the lower surface of power battery pack installs case 3, the big calorimetric that can be generated to avoid power battery pack
No convection space is measured, by the gap of several first screens 412, is conducive to the movement of heat, and entering the first grid
412 form in space, increase heat and collect the contact area of warmware 41, improve Heat-collecting effect.
Preferably, radiating piece 42 (the first radiating piece in illustrating) includes 421 He of the second bottom plate being vertically arranged
The surface of several second screens 422, second screen 422 from second bottom plate 421 extends internally, and perpendicular to described
The inner surface of second bottom plate 421 offers the second spliced eye (not marking in figure), the heat-conducting piece on second screen 422
43 other end is inserted in second spliced eye, and the fan is removably mounted on the appearance of second bottom plate 421
On face.
Preferably, the warmware 41 and/or the radiating piece 42 of integrating is aluminum profile.Aluminum profile has good heat conduction effect, and
It is not easy the characteristics of being corroded.
Preferably, heat-conducting piece 43 is any one of screen net structure copper pipe, fibre structure copper pipe, groove structure copper pipe.This
The copper pipe of several structures of kind, has good heat-conducting effect, can will rapidly collect the heat that warmware 41 is collected and conduct to heat dissipation
Part 42.
On the one hand power battery pack cooling system of the invention realizes the heat for generating power battery pack by heat conducting element
Near amount conduction to fan, and by the effect of fan, the heat of power battery pack is timely distributed to outside cabinet
Portion, is effectively reduced the temperature of power battery pack, to guarantee that power battery works at relative constant temperature, improves battery
Service efficiency and the service life；On the other hand, due to the presence of radiating subassembly, the peace that power battery pack is completely sealed
In power battery pack installs case, effectively dust or moisture is prevented to enter in battery pack, to be conducive to improve battery
The safety of group.
Further, Fig. 2, Fig. 3 and Fig. 4 are please referred to, one kind as power battery pack cooling system provided by the invention
Specific embodiment, the power battery pack fan the mountable two groups of power battery packs of hot systems, also just have the first power battery pack
Installs case 3, the second power battery pack installs case 5, the first power battery pack installs case 3 and the second power battery pack installs case 5 are simultaneously
Column are placed in cabinet 1.Accordingly, the first radiating subassembly 4, the second radiating subassembly 6 are installed in cabinet 1；First heat dissipation group
First collection warmware 41 of part 4 is placed in the underface of the first power battery installs case 3, and supports the first power battery installs case 3
Lower surface；The installation of second radiating subassembly 6 has mirror symmetry with the installation of the first radiating subassembly 4, equally has second
Collect warmware (not marked in figure), the second collection warmware is placed in the underface of the second power battery installs case 5, and supports second
The lower surface of power battery installs case 5.By the series-parallel of two groups or power battery pack more than two, big voltage can get
Battery pack system.
Further, Fig. 2,3 are please referred to, a kind of specific implementation as power battery pack cooling system provided by the invention
Mode, further includes automatic control module (not marking in figure), power battery pack installs case (including the first power battery pack installs case
3, the second power battery pack installs case 5) in be also equipped with monitoring power battery pack temperature temperature sensitive member (do not marked in figure
Out), the automatic control module one end and the temperature sensitive member are connected, and the other end and the fan 44 are connected, so that described
Automatic control module can according to power battery pack installs case (including the first power battery pack installs case 3, the second power battery pack pacify
The temperature variations that the temperature sensitive member monitors in vanning 5) adjust the revolving speed of fan 44, so that power battery pack
The temperature of cooling system has controllability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of power battery pack cooling system, which is characterized in that including with accommodating chamber cabinet, for sealing the cabinet
Box Cover, at least a power battery pack installs case and an at least radiating subassembly；
Mounting groove is offered in at least outside wall surface of two opposing walls of cabinet；The power battery pack installs case is removable
It is installed on unloading in the accommodating chamber；
The radiating subassembly includes collection warmware, radiating piece, is connected between collection warmware and the radiating piece to by the thermal-arrest
The heat of part is conducted to several heat-conducting pieces and fan of the radiating piece；The collection warmware is removably mounted to the power
The lower surface of battery pack installs case；The fan is fixed on the radiating piece outer surface, and the fan is located at the mounting groove
Place.
2. power battery pack cooling system as described in claim 1, which is characterized in that the heat-conducting piece is screen net structure copper
Any one of pipe, fibre structure copper pipe, groove structure copper pipe.
3. power battery pack cooling system as described in claim 1, which is characterized in that the collection warmware includes horizontally disposed
First bottom plate and several the first screens upwardly extended from first bottom plate, several first grids are perpendicular to described the
One backplate surface offers the first spliced eye on several first screens, and one end of the heat-conducting piece is inserted in described first
In spliced eye, first screen is supported in the lower surface of the power battery pack installs case.
4. power battery cooling system as claimed in claim 3, which is characterized in that the radiating piece includes be vertically arranged
Two bottom plates and several second screens, second screen extend internally from second baseplate inner surface, and perpendicular to described
Second baseplate inner surface offers the second spliced eye on second screen, and the other end of the heat-conducting piece is inserted in described
In two spliced eyes, the fan is removably mounted on the outer surface of second bottom plate.
5. power battery pack cooling system as described in claim 1, which is characterized in that the collection warmware and/or the heat dissipation
Part is aluminum profile.
6. power battery pack cooling system as described in claim 1, which is characterized in that the power battery pack installs case is aluminium
Any one of alloy tank, cold-reduced sheet case, hot rolled plate case, macromolecule case.
7. power battery pack cooling system as described in claim 1, which is characterized in that the power battery pack cooling system is also
Automatic control module including rotation speed of the fan can be adjusted according to temperature change in the power battery pack installs case, the power
The temperature sensitive member that temperature data can be transmitted to the automatic control module is also equipped in battery pack installs case.
8. power battery pack cooling system as described in claim 1, which is characterized in that the cabinet is aluminium alloy box, cold rolling
Plate case, hot rolled plate case, macromolecule case.
9. power battery pack cooling system as described in claim 1, which is characterized in that the outside wall surface of the cabinet is also equipped with
Several handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810788379.5A CN109149003A (en) | 2018-07-18 | 2018-07-18 | Power battery pack cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810788379.5A CN109149003A (en) | 2018-07-18 | 2018-07-18 | Power battery pack cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109149003A true CN109149003A (en) | 2019-01-04 |
Family
ID=64801032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810788379.5A Pending CN109149003A (en) | 2018-07-18 | 2018-07-18 | Power battery pack cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109149003A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027321A (en) * | 2020-09-01 | 2020-12-04 | 常州工学院 | Box type lithium battery protection device |
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