CN107293823A - A kind of battery bag liquid cooling system - Google Patents
A kind of battery bag liquid cooling system Download PDFInfo
- Publication number
- CN107293823A CN107293823A CN201710534569.XA CN201710534569A CN107293823A CN 107293823 A CN107293823 A CN 107293823A CN 201710534569 A CN201710534569 A CN 201710534569A CN 107293823 A CN107293823 A CN 107293823A
- Authority
- CN
- China
- Prior art keywords
- battery bag
- pipeline
- cooling system
- liquid cooling
- heat exchanger
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—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
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
Abstract
The invention discloses a kind of battery bag liquid cooling system, including battery bag, the entrance of the battery bag connects the outlet of heater, the entrance of the heater connects the outlet of heat exchanger, the entrance of the heat exchanger and the outlet of water tank, the entrance of the water tank and the outlet of the battery bag；The refrigerant outlet of the heat exchanger connects the entrance of compressor, and the entrance of the outlet condenser of the compressor, the outlet of the condenser is connected with the refrigerant inlet of the heat exchanger.The present invention can realize the heating and refrigeration to battery bag, and heat exchanger effectiveness is high, can effectively control the uniformity of battery temperature, and the liquid cooling system of the present invention is simple in construction, cooling and heating are reliable.
Description
Technical field
The present invention relates to electric vehicle engineering field, it particularly relates to a kind of battery bag liquid cooling system.
Background technology
With energetically support of the country to new energy industry in recent years, China's new energy industry is developed rapidly, new energy
The development that automotive engineering is advanced by leaps and bounds.But as the power source of electric automobile, in terms of the heating of battery bag and refrigeration
Still there is very big problem.In terms of traditional domestic battery bag, the cooling of battery bag typically uses natural cooling and air cooling two
The mode of kind, the heating of battery bag uses heating plate；In the case where ambient temperature is higher, when sport car or charging, battery core
Temperature can rise, using natural cooling it is difficult to which the temperature of battery core is lowered, using air cooling way battery core temperature drop very
Slowly, and the temperature difference between battery core can be caused very big；And in the case where ambient temperature is relatively low, added using heating plate
Heat, because the efficiency of heating surface of heating plate is higher, can make the battery core department temperature contacted with heating plate higher, not in contact with part temperature rise
It is relatively slow, cause the heat inside single battery core uneven.Therefore the heating of battery bag is carried out using water-cooling pattern and is cooled down
Through extremely urgent, expected as domestic and international major auto vendors, and also closed as domestic Vehicular battery manufacturer
The emphasis of note.
The content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of battery bag liquid cooling system, can overcome existing
There is the above-mentioned deficiency of technology.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of battery bag liquid cooling system, including battery bag, described battery bag include Battery case, module, control unit and electricity
Gas element, the bottom of the Battery case is provided with water stream channel, and the two ends of the Battery case are respectively equipped with the water stream channel
External interface, one of external interface connects having heaters by pipeline, and the heater is connected with by pipeline
The outlet of heat exchanger water stream channel, the entrance of the heat exchanger water stream channel is connected by pipeline with water tank, the water tank
It is connected by pipeline with another external interface；The outlet of the heat exchanger coolant channel is connected with compression by fluorine pipeline
Machine, the compressor is connected with condenser by fluorine pipeline, and the condenser passes through fluorine pipeline and the heat exchanger refrigerant
The entrance connection of passage.
Further, the pipeline between described heat exchanger and water tank is provided with water pump.
Further, the fluorine pipeline between described condenser and heat exchanger is provided with expansion valve.
Further, described Battery case is aluminum tank.
It is preferred that, the bottom of the aluminum tank is thick aluminium sheet.
It is preferred that, described water pipe and aluminum tank are integral type structure.
Beneficial effects of the present invention：The present invention can realize the heating and refrigeration to battery bag, and heat exchanger effectiveness is high, can have
The uniformity of effect control battery temperature, and the liquid cooling system of the present invention is simple in construction, cooling and heating are reliable.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of battery bag liquid cooling system described according to embodiments of the present invention；
In figure：1st, battery bag；2nd, pipeline；3rd, heater；4th, heat exchanger；5th, water pump；6th, water tank；7th, compressor；8th, condenser；
9th, fluorine pipeline；10th, expansion valve；11st, Battery case.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belongs to what the present invention was protected
Scope.
As shown in figure 1, described a kind of battery bag liquid cooling system, including battery bag 1 according to embodiments of the present invention, described
Battery bag 1 includes Battery case 11, module, control unit and electrical equipment, and the bottom of the Battery case 11 is logical provided with current
Road, the two ends of the Battery case 11 are respectively equipped with the external interface of the water stream channel, and one of external interface leads to
Piping 2 connects having heaters 3, and the heater 3 is connected with the outlet of the water stream channel of heat exchanger 4, the heat by pipeline 2
The entrance of the water stream channel of exchanger 4 is connected by pipeline 2 with water tank 6, and the water tank 6 passes through pipeline 2 and another external interface
Connection；The outlet of the coolant channel of heat exchanger 4 is connected with compressor 7 by fluorine pipeline 9, and the compressor 7 passes through fluorine
Pipeline 9 is connected with condenser 8, and the condenser 8 is connected by fluorine pipeline 9 with the entrance of the coolant channel of heat exchanger 4.
In one embodiment, the pipeline 2 between described heat exchanger 4 and water tank 6 is provided with water pump 5.
In one embodiment, the fluorine pipeline 9 between described condenser 8 and heat exchanger 4 is provided with expansion valve 10.
In one embodiment, described Battery case 11 is aluminum tank.
In one embodiment, the bottom of the aluminum tank is thick aluminium sheet.
In one embodiment, described water pipe and aluminum tank are integral type structure.
Understand for convenience the present invention above-mentioned technical proposal, below by way of in specifically used mode to the present invention it is above-mentioned
Technical scheme is described in detail.
When specifically used, according to a kind of battery bag liquid cooling system of the present invention, including battery bag 1, pipeline 2 plus
Hot device 3, heat exchanger 4, water pump 5, water tank 6, compressor 7, condenser 8, fluorine pipeline 9, expansion valve 10, heat exchanger have liquid to lead to
Road and coolant channel two paths, wherein Battery case 11, heater 3, the fluid passage of heat exchanger 4, water pump 5, water tank 6
It is sequentially connected in series by pipeline 2 and constitutes fluid circulation system, drives the circulation of liquid to realize that liquid is cold or heats by water pump；Heat is handed over
Coolant channel, compressor 7, condenser 8 and the expansion valve 10 of parallel operation 4 are sequentially connected in series by fluorine pipeline 9 constitutes refrigeration system,
If wherein compressor is shared, it is necessary to install magnetic valve in the branch of compressor with whole-vehicle air-conditioner system；Needing to battery
During bag cooling, water pump, which is opened, drives fluid circulation system circulation, compressor starts work, and by expanding valve regulation refrigerant
Flow, controls cryogenic temperature, and refrigerant evaporates the heat realization for absorbing the liquid through over-heat-exchanger to liquid in a heat exchanger
The cooling of body, the liquid after cooling enters battery bag to realize the cooling to battery bag；When needing to heat battery bag, water
Pump, which is opened, drives fluid circulation system circulation, and liquid enters battery case after being heated by heater from the fluid passage of heat exchanger
The water stream channel of body realizes the heating to battery bag；Wherein, in the heating and process of refrigerastion to battery bag, water pump is always on
To drive liquid circulation to realize heating or refrigeration to battery bag；In the heating process to battery bag, expansion valve, which is closed, to be made
Refrigerant cannot be introduced into heat exchanger, in the process of refrigerastion to battery bag, and expansion valve opens the flow of regulation refrigerant, control
Cryogenic temperature.
Wherein, battery bag of the invention is made up of battery case, module, control unit and some electrical equipments.Battery case
Using aluminum tank, bottom half is thick aluminium sheet, and the water pipe flowed for liquid, fluid pipeline and electricity are provided with inside aluminium sheet
Pond box body bottom structure is designed at one, and the external interface design of fluid pipeline is at the two ends of battery bag, cold even if occurring seepage
But liquid also can seepage outside battery bag, on the module inside battery bag, high-low pressure wire harness, management system without influence, therefore peace
Quan Xinggao.
In summary, the present invention can realize heating and the refrigeration to battery bag, and heat exchanger effectiveness is high, can effectively control electricity
The uniformity of pond temperature, and the liquid cooling system of the present invention is simple in construction, cooling and heating are reliable.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (6)
1. a kind of battery bag liquid cooling system, including battery bag（1）, described battery bag（1）Including Battery case（11）, module,
Control unit and electrical equipment, it is characterised in that the Battery case（11）Bottom be provided with water stream channel, the Battery case
（11）Two ends be respectively equipped with the external interface of the water stream channel, one of external interface passes through pipeline（2）Connection
Having heaters（3）, the heater（3）Pass through pipeline（2）It is connected with heat exchanger（4）The outlet of water stream channel, the heat is handed over
Parallel operation（4）The entrance of water stream channel passes through pipeline（2）With water tank（6）Connection, the water tank（6）Pass through pipeline（2）With another
External interface is connected；The heat exchanger（4）The outlet of coolant channel passes through fluorine pipeline（9）It is connected with compressor（7）, it is described
Compressor（7）Pass through fluorine pipeline（9）It is connected with condenser（8）, the condenser（8）Pass through fluorine pipeline（9）With the heat exchange
Device（4）The entrance connection of coolant channel.
2. a kind of battery bag liquid cooling system according to claim 1, it is characterised in that described heat exchanger（4）And water
Case（6）Between pipeline（2）It is provided with water pump（5）.
3. a kind of battery bag liquid cooling system according to claim 1, it is characterised in that described condenser（8）With heat friendship
Parallel operation（4）Between fluorine pipeline（9）It is provided with expansion valve（10）.
4. a kind of battery bag liquid cooling system according to claim 1, it is characterised in that described Battery case（11）For aluminium
Casing processed.
5. a kind of battery bag liquid cooling system according to claim 4, it is characterised in that the bottom of the aluminum tank is thickness
Aluminium sheet.
6. a kind of battery bag liquid cooling system according to claim 4 or 5, it is characterised in that described water pipe and aluminium
Casing processed is integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534569.XA CN107293823A (en) | 2017-07-03 | 2017-07-03 | A kind of battery bag liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534569.XA CN107293823A (en) | 2017-07-03 | 2017-07-03 | A kind of battery bag liquid cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107293823A true CN107293823A (en) | 2017-10-24 |
Family
ID=60099497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710534569.XA Pending CN107293823A (en) | 2017-07-03 | 2017-07-03 | A kind of battery bag liquid cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107293823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694303A (en) * | 2019-10-18 | 2020-01-17 | 深圳创维空调科技有限公司 | Exhaust apparatus and battery thermal management system |
Citations (6)
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|---|---|---|---|---|
| CN202076386U (en) * | 2010-12-31 | 2011-12-14 | 比亚迪股份有限公司 | Battery temperature management system and automobile |
| CN203690448U (en) * | 2014-01-16 | 2014-07-02 | 北京智行鸿远汽车技术有限公司 | System for heating and cooling battery pack through vehicle air conditioner system |
| CN105958157A (en) * | 2016-06-22 | 2016-09-21 | 东南（福建）汽车工业有限公司 | Battery heat management system of hybrid electric vehicle |
| CN106099252A (en) * | 2016-08-22 | 2016-11-09 | 江苏唯益换热器股份有限公司 | A kind of novel electric vehicle battery heat management system |
| CN205863246U (en) * | 2016-07-05 | 2017-01-04 | 上汽通用汽车有限公司 | A kind of battery pack assembly |
| CN206148573U (en) * | 2016-10-11 | 2017-05-03 | 比亚迪股份有限公司 | Battery package thermal management system |
-
2017
- 2017-07-03 CN CN201710534569.XA patent/CN107293823A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202076386U (en) * | 2010-12-31 | 2011-12-14 | 比亚迪股份有限公司 | Battery temperature management system and automobile |
| CN203690448U (en) * | 2014-01-16 | 2014-07-02 | 北京智行鸿远汽车技术有限公司 | System for heating and cooling battery pack through vehicle air conditioner system |
| CN105958157A (en) * | 2016-06-22 | 2016-09-21 | 东南（福建）汽车工业有限公司 | Battery heat management system of hybrid electric vehicle |
| CN205863246U (en) * | 2016-07-05 | 2017-01-04 | 上汽通用汽车有限公司 | A kind of battery pack assembly |
| CN106099252A (en) * | 2016-08-22 | 2016-11-09 | 江苏唯益换热器股份有限公司 | A kind of novel electric vehicle battery heat management system |
| CN206148573U (en) * | 2016-10-11 | 2017-05-03 | 比亚迪股份有限公司 | Battery package thermal management system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694303A (en) * | 2019-10-18 | 2020-01-17 | 深圳创维空调科技有限公司 | Exhaust apparatus and battery thermal management system |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171024 |
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| WD01 | Invention patent application deemed withdrawn after publication |