CN109301391A - A kind of liquid-immersed cooled automobile power cell group - Google Patents
A kind of liquid-immersed cooled automobile power cell group Download PDFInfo
- Publication number
- CN109301391A CN109301391A CN201811247918.0A CN201811247918A CN109301391A CN 109301391 A CN109301391 A CN 109301391A CN 201811247918 A CN201811247918 A CN 201811247918A CN 109301391 A CN109301391 A CN 109301391A
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- Prior art keywords
- liquid
- shell
- power cell
- automobile power
- cell group
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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
- H01M10/65—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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of liquid-immersed cooled automobile power cell groups, shell including upper end opening, connecting terminal with the lid being tightly connected at the upper end opening of the shell and for being connect with external circuit, hollow chamber is equipped in the lid, battery pack is equipped in the shell, insulating and cooling liquid and pump, the connecting terminal and the battery pack are electrically connected, the insulating and cooling liquid is full of the inner space of the shell, the pump is connect by pipeline with the hollow chamber of the lid, the lower surface of the lid is equipped with for being connected to the inside of the shell and the liquid outlet of the hollow chamber.A kind of liquid-immersed cooled automobile power cell group provided by the invention by the way that battery pack to be integrally immersed in insulating and cooling liquid, and then realizes the cooling to automobile power cell group.
Description
Technical field
The present invention relates to power battery fields, and in particular to a kind of liquid-immersed cooled automobile power cell group.
Background technique
Increasingly serious with energy and environmental problem, electric car gradually replaces conventional fuel oil automobile, becomes vapour
The big important branch of the one of garage's industry.And electric car include three core technologies, power battery, motor and control system, wherein
Power battery is the most key, and performance indicator and economic cost determine the commercialization process of electric car.Electric car at present
Battery is broadly divided into two major classes-battery and fuel cell, and battery includes nickel-metal hydride battery, lithium battery, receives sulphur battery etc. then
It is the emphasis of existing market exploitation.
Power battery can all generate heat in charging process and discharge process, and charging process is an exothermic reaction and has in battery
Resistance, during quick charge, the temperature of battery can rise obviously, and especially when fast be full of, fever is particularly acute；Electric discharge
Process, battery-heating are mainly Joule heat caused by the internal resistance of cell；Battery long-term temperature is excessively high to generate not the service life of battery
Good influence, in some instances it may even be possible to overheat spontaneous combustion, therefore these batteries need to control its internal temperature in the reasonable scope.Power battery charging
It is required that charging rate is fast, most simple and crude solution is exactly to increase charging current, and high current will cause quantity of heat production increasing；And
Discharge process guarantees that vehicle power is abundant, it is also desirable to which High-current output causes Joule heat quickly to generate, and the above operating condition causes to move
The electrothermal calefactive rate of power battery is much higher than conventional batteries, so power battery needs to install radiator additional, to guarantee dynamical system
Safety.Currently, the demand with battery capacity is being continuously increased, traditional fan cooling has been unable to satisfy dissipating for power battery
Heat demand, and non-contact liquid cold plate cooling structure is complicated, it is at high cost.
Summary of the invention
The present invention provides a kind of liquid-immersed cooled automobile power cell groups, by being integrally immersed in battery pack absolutely
In edge coolant liquid, and then realize cooling to automobile power cell group, the structure by by insulating and cooling liquid directly and battery pack
Contact, improves the radiating rate of battery pack, can meet the needs of battery pack rapid cooling, meanwhile, the structure is simple, is conducive to
Reduce manufacturing cost.
To achieve the above object, the present invention provides a kind of liquid-immersed cooled automobile power cell groups, including upper end
The shell of opening, the terminals with the lid being tightly connected at the upper end opening of the shell and for being connect with external circuit
Son is equipped with hollow chamber in the lid, is equipped with battery pack, insulating and cooling liquid and pump in the shell, the connecting terminal with
The battery pack is electrically connected, and the insulating and cooling liquid is full of the inner space of the shell, the pump by pipeline with it is described
The hollow chamber of lid connects, and the lower surface of the lid is equipped with inside and the hollow chamber for being connected to the shell
Liquid outlet.
Preferably, stream pipette, the entrance of the pump and the stream pipette are additionally provided in the shell
Connection, the stream pipette is tubular structure closed at both ends and hollow and the side for being horizontally placed on the battery pack, institute
The outer wall for flowing pipette is stated equipped with multiple inlet openings along the equal spacing in length direction setting for flowing pipette, the battery pack
Including multiple rows of battery unit being arranged along the length direction for flowing pipette, the two rows battery list of arbitrary neighborhood
A cooling duct for insulating and cooling liquid flowing, the multiple feed liquors flowed in pipette can be formed between member
Multiple cooling ducts that hole is formed with multiple rows of battery unit respectively align setting.
Preferably, the upper surface of the lid is connected with multiple radiated ribs.
Preferably, the outside of the radiated rib is equipped with radiator fan.
Preferably, the side of the shell is equipped with multiple radiated ribs.
Preferably, the spray cooling type automobile power cell group further includes air-cooled radiator, the pipeline packet
Radiating segment is included, the radiating segment is the tubular structure of coiling setting, and the radiating segment connect and is located at the air-cooled radiator
In the air-cooled radiator.
Preferably, the shell is equipped with inlet, and the outlet end of the pipeline is connect with the inlet, institute
It states pump and inlet is located at the two sides of the battery pack.
Preferably, stand-by pump is additionally provided in the shell, the stand-by pump is connect with the liquid feeding end of the pipeline.
Preferably, the battery pack includes multiple connect respectively with the bottom surface of the shell and rectangular array cloth
The single battery set.
Preferably, the bottom surface of the shell is equipped with multiple brackets for being used to support the single battery.
A kind of liquid-immersed cooled automobile power cell group, passes through connecting terminal conduct provided by above-mentioned technical proposal
Power output end powers for automobile, can generate amount of heat in charge and discharge process in automobile power cell group, wherein pyrotoxin
Insulating and cooling liquid is full of in shell for the heat for reducing single battery for the single battery in battery pack, so that guaranteeing will be electric
Pond group is totally submerged in insulating and cooling liquid, and insulating and cooling liquid carries out real-time heat with single battery and exchanges, to reduce monomer
The heat of battery, since the intracorporal insulating and cooling liquid of shell will be added while realizing the heat dissipation to single battery by single battery
Insulating and cooling liquid is pumped to the hollow chamber of lid by setting pump by heat, and in the hollow chamber to being heated after
Insulating and cooling liquid is cooled down, and insulating and cooling liquid after cooling is back to the inside of shell, and the structure is by by insulating and cooling liquid
It is directly contacted with battery pack, improves the radiating rate of battery pack, can meet the needs of battery pack rapid cooling, meanwhile, the knot
Structure is simple, advantageously reduces manufacturing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of enclosure interior；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2.
Wherein: 1, shell；2, lid；3, radiating segment；4, air-cooled radiator；5, pipeline；6, it pumps；7, bracket；8, monomer electricity
Pond；9, connecting terminal；10, pipette is flowed；11, radiated rib；12, radiator fan.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Embodiment 1
It as shown in Figs. 1-2, is a kind of liquid-immersed cooled automobile power cell group provided by the present embodiment, including upper
The shell 1 of end opening connects with the lid 2 being tightly connected at the upper end opening of the shell 1 and for what is connect with external circuit
Line terminals, the lid 2 is interior to be equipped with hollow chamber, and battery pack, insulating and cooling liquid and pump 6, the wiring are equipped in the shell 1
Terminal and the battery pack are electrically connected, and the insulating and cooling liquid is full of the inner space of the shell 1, and the pump 6 passes through pipe
Road 5 is connect with the hollow chamber of the lid 2, and the lower surface of the lid 2 is equipped with inside and institute for being connected to the shell 1
State the liquid outlet of hollow chamber.Specifically, power output end is used as by connecting terminal 9, powered for automobile, in automobile power electricity
Pond group can generate amount of heat in charge and discharge process, and wherein pyrotoxin is the single battery 8 in battery pack, to reduce monomer electricity
The heat in pond 8 is full of insulating and cooling liquid in shell 1, to guarantee to be totally submerged battery pack in insulating and cooling liquid, insulate
Coolant liquid carries out real-time heat with single battery 8 and exchanges, so that the heat of single battery 8 is reduced, due to the insulating cold in shell 1
But liquid will be heated while realizing the heat dissipation to single battery 8 by single battery 8, be taken out insulating and cooling liquid by setting pump 6
It is drawn to the hollow chamber of lid 2, and the insulating and cooling liquid after being heated is cooled down in the hollow chamber, it is after cooling
Insulating and cooling liquid is back to the inside of shell 1, which improves battery by directly contacting insulating and cooling liquid with battery pack
The radiating rate of group, can meet the needs of battery pack rapid cooling, meanwhile, the structure is simple, advantageously reduces manufacturing cost.
Further, stream pipette 10, the entrance of the pump 6 and the stream pipette are additionally provided in the shell 1
10 connections, the stream pipette 10 is tubular structure closed at both ends and hollow and the side for being horizontally placed on the battery pack
Portion, the outer wall for flowing pipette 10 be equipped with it is multiple along the equal spacing in length direction setting for flowing pipette 10 into hole, institute
Stating battery pack includes multiple rows of battery unit being arranged along the length direction for flowing pipette 10, the two rows of arbitrary neighborhood
A cooling duct for insulating and cooling liquid flowing can be formed between the battery unit, it is described to flow pipette 10
On multiple multiple cooling ducts formed respectively with multiple rows of battery unit into hole align setting.Specifically, by
Just correspond to the gap of single battery 8 in the position into hole, thus can guarantee battery pack coolant liquid even flow field, and then formed compared with
For uniform cooling effect.
Further, due to the insulating and cooling liquid in shell 1 while realizing to the heat dissipation of single battery 8 by coverlet
Body battery 8 heats, therefore the insulating and cooling liquid temperature being sucked up in lid 2 is relatively high, therefore it is cooling to cope with the insulation in lid 2
The temperature of liquid is reduced, to improve cooling effect during spraying cooling, to realize the insulating and cooling liquid in lid 2
Heat dissipation, the upper surface of the lid 2 are connected with multiple radiated ribs 11, and the insulating and cooling liquid in lid 2 passes through the cooling fin
Piece 11 carries out heat with external environment and exchanges, to realize the heat dissipation to the insulating and cooling liquid in lid 2；In addition, being further
The heat dissipation effect to the insulating and cooling liquid in lid 2 is improved, as shown in Figure 1, the outside of the radiated rib 11 is set in this implementation
There is radiator fan 12, by the way that radiator fan 12 is arranged in the outside of radiated rib 11, to accelerate the air nearby of radiated rib 11
The speed of flowing, and then improve the insulating and cooling liquid in lid 2 and carry out the speed that heat exchanges with external environment.
In the present embodiment, it is preferable that the connecting terminal is set to the outside of the shell 1, it is further preferred that described
Connecting terminal can be set in the shell 1 outer surface or be set to the outer surface of the lid 2, it is described to connect in this implementation
Line terminals are set to the outer surface of the shell 1, the quantity of the connecting terminal 9 be it is multiple, the shell 1 in a rectangular parallelepiped shape,
Multiple connecting terminals 9 are set on one of side of the shell 1, the not set institute of the other three of the shell 1
The side for stating connecting terminal 9 is respectively equipped with the radiated rib 11 of multiple rectangular array settings.Specifically, by shell
Radiated rib 11 is arranged in 1 other three sides, and the insulating and cooling liquid in shell 1 passes through the radiated rib 11 and external environment
Heat exchange is carried out, to realize the direct heat dissipation to the insulating and cooling liquid in shell 1.
In addition, the shell 1 is equipped with inlet, the outlet end of the pipeline 5 is connect with the inlet, the pump 6
The two sides of the battery pack are located at inlet.In this way, can guarantee that the feed liquor of shell 1 and drain position are located at electricity
The heat dissipation effect to battery pack is improved to form a flow circulation in shell 1 in the two sides of pond group.In addition, the lid
Liquid inlet is additionally provided on 2, the liquid outlet of the pipeline 5 is connect with the liquid inlet, wherein the liquid inlet and feed liquor
Mouth is located at the two sides of the lid 2, to guarantee that the liquid into lid 2 must flow to the other end from one end, just be able to
When flowing out lid 2, extend insulating and cooling liquid residence time in lid 2, and then extending cooling to insulating and cooling liquid
Between, improve the cooling effect to insulating and cooling liquid.
Further, stand-by pump is additionally provided in the shell 1, the stand-by pump is connect with the liquid feeding end of the pipeline 5, when
When the pump 6 breaks down, the stand-by pump is opened immediately, to guarantee that battery pack is radiated always, and then improves automobile
The safety of power battery pack entirety.
In the present embodiment, the battery pack includes multiple connect respectively with the bottom surface of the shell 1 and rectangular array cloth
The bottom surface of the single battery 8 set, the shell 1 is equipped with multiple brackets 7 for being used to support the single battery 8, the monomer
The lower end of battery 8 is fixedly connected with the bracket 7, thus guarantee that the position of single battery 8 is fixed always relative to shell 1, from
And improve the stability of automobile power cell group operation.
Embodiment 2
As shown in figure 3, for a kind of liquid-immersed cooled automobile power cell group provided by the present embodiment, the present embodiment
The difference from embodiment 1 is that eliminating the radiated rib 11 and radiator fan 12 on lid 2, the spray cooling type automobile
Power battery pack further includes air-cooled radiator 4, and the pipeline 5 includes radiating segment 3, and the radiating segment 3 is the tubulose of coiling setting
Structure, the radiating segment 3 connect with the air-cooled radiator 4 and are located in the air-cooled radiator 4, specifically, when pump 6 is by shell
When insulating and cooling liquid in body 1 pumps out and flows to radiating segment 3, the air-cooled radiator 4 is to the insulating cold for flowing through radiating segment 3
But liquid carries out wind-cooling heat dissipating, guarantees from radiating segment 3 to flow out into the insulating and cooling liquid temperature in shell 1 lower.
A kind of other structures of liquid-immersed cooled automobile power cell group of the present embodiment are identical as embodiment 1,
This is no longer repeated.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of liquid-immersed cooled automobile power cell group, which is characterized in that shell and the shell including upper end opening
The lid being tightly connected at the upper end opening of body and the connecting terminal for connecting with external circuit, the lid are interior equipped with hollow
Chamber, the shell is interior to be equipped with battery pack, insulating and cooling liquid and pump, and the connecting terminal and the battery pack are electrically connected, institute
The inner space that insulating and cooling liquid is full of the shell is stated, the pump is connect by pipeline with the hollow chamber of the lid, institute
The lower surface for stating lid is equipped with for being connected to the inside of the shell and the liquid outlet of the hollow chamber.
2. liquid-immersed cooled automobile power cell group according to claim 1, which is characterized in that in the shell also
Equipped with flow pipette, the entrance of the pump with it is described stream pipette connect, it is described flow pipette for it is closed at both ends and in
The tubular structure of sky and the side for being horizontally placed on the battery pack, the outer wall for flowing pipette are equipped with multiple along stream suction
The inlet opening of the equal spacing in length direction setting of liquid pipe, the battery pack include multiple rows of along the length direction for flowing pipette
The battery unit being arranged can form one between the two rows battery units of arbitrary neighborhood and cool down for the insulation
The dynamic cooling duct of liquid stream, the multiple inlet openings flowed in pipette form with multiple rows of battery unit multiple respectively
The cooling duct aligns setting.
3. liquid-immersed cooled automobile power cell group according to claim 1, which is characterized in that the lid it is upper
Surface is connected with multiple radiated ribs.
4. liquid-immersed cooled automobile power cell group according to claim 3, which is characterized in that the radiated rib
Outside be equipped with radiator fan.
5. liquid-immersed cooled automobile power cell group according to claim 4, which is characterized in that the side of the shell
Face is equipped with multiple radiated ribs.
6. liquid-immersed cooled automobile power cell group according to claim 1, which is characterized in that the spraying cooling
Formula automobile power cell group further includes air-cooled radiator, and the pipeline includes radiating segment, and the radiating segment is the pipe of coiling setting
Shape structure, the radiating segment connect with the air-cooled radiator and are located in the air-cooled radiator.
7. liquid-immersed cooled automobile power cell group according to claim 1, which is characterized in that set on the shell
There is inlet, the outlet end of the pipeline is connect with the inlet, and the pump and inlet are located at the battery pack
Two sides.
8. liquid-immersed cooled automobile power cell group according to claim 1, which is characterized in that in the shell also
Equipped with stand-by pump, the stand-by pump is connect with the liquid feeding end of the pipeline.
9. liquid-immersed cooled automobile power cell group according to claim 2, which is characterized in that the battery pack packet
Include multiple single batteries connecting respectively with the bottom surface of the shell and rectangular array is arranged.
10. liquid-immersed cooled automobile power cell group according to claim 9, which is characterized in that the shell
Bottom surface is equipped with multiple brackets for being used to support the single battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247918.0A CN109301391A (en) | 2018-10-25 | 2018-10-25 | A kind of liquid-immersed cooled automobile power cell group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247918.0A CN109301391A (en) | 2018-10-25 | 2018-10-25 | A kind of liquid-immersed cooled automobile power cell group |
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| Publication Number | Publication Date |
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| CN109301391A true CN109301391A (en) | 2019-02-01 |
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| CN201811247918.0A Pending CN109301391A (en) | 2018-10-25 | 2018-10-25 | A kind of liquid-immersed cooled automobile power cell group |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474129A (en) * | 2019-07-17 | 2019-11-19 | 南京航空航天大学 | A kind of power battery module liquid submersion temperature control system and its method |
| CN110631302A (en) * | 2019-10-21 | 2019-12-31 | 山东大学 | Shell-and-tube heat exchanger with heat pipe combined with phase-change material |
| CN111263563A (en) * | 2020-01-09 | 2020-06-09 | 北京比特大陆科技有限公司 | Server |
| CN112002954A (en) * | 2020-07-14 | 2020-11-27 | 安徽汉马锂电科技有限公司 | Liquid immersion cooling type power battery pack |
| CN112072204A (en) * | 2020-08-27 | 2020-12-11 | 安徽工程大学 | Immersed electric automobile lithium battery pack cooling system with built-in spray pipe |
| CN112993430A (en) * | 2019-12-12 | 2021-06-18 | 福建福夏科技有限责任公司 | New energy automobile battery cooling system |
| CN112993440A (en) * | 2020-12-15 | 2021-06-18 | 鹤山市世拓电子科技有限公司 | Flame-proof battery pack |
| CN114628811A (en) * | 2022-01-24 | 2022-06-14 | 广东合一新材料研究院有限公司 | Engineering truck battery pack liquid cooling system |
| WO2023159486A1 (en) * | 2022-02-25 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and method and device for preparing battery |
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| CN112002954B (en) * | 2020-07-14 | 2022-08-30 | 安徽汉马锂电科技有限公司 | Liquid immersion cooling type power battery pack |
| CN112072204A (en) * | 2020-08-27 | 2020-12-11 | 安徽工程大学 | Immersed electric automobile lithium battery pack cooling system with built-in spray pipe |
| CN112993440A (en) * | 2020-12-15 | 2021-06-18 | 鹤山市世拓电子科技有限公司 | Flame-proof battery pack |
| CN114628811A (en) * | 2022-01-24 | 2022-06-14 | 广东合一新材料研究院有限公司 | Engineering truck battery pack liquid cooling system |
| WO2023159486A1 (en) * | 2022-02-25 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and method and device for preparing battery |
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