CN206834299U - A kind of refrigerant circulation formula power battery thermal management system - Google Patents
A kind of refrigerant circulation formula power battery thermal management system Download PDFInfo
- Publication number
- CN206834299U CN206834299U CN201720722128.8U CN201720722128U CN206834299U CN 206834299 U CN206834299 U CN 206834299U CN 201720722128 U CN201720722128 U CN 201720722128U CN 206834299 U CN206834299 U CN 206834299U
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- Prior art keywords
- expansion valve
- threeway
- electric expansion
- successively
- management system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model belongs to a kind of refrigerant circulation formula power battery thermal management system；Including the motor compressor assembly on body support, motor compressor assembly successively with four-way valve, condenser, first electric expansion valve and the first threeway are connected, second end of the first threeway successively with the second electric expansion valve, A/C evaporator is connected, 3rd end of the first threeway successively with the 3rd electric expansion valve, battery bag radiator and the second threeway are connected, second end of the second threeway is connected with four-way valve, 3rd end of the second threeway is connected with A/C evaporator, first electric expansion valve, second electric expansion valve and the 3rd electric expansion valve is even is connected with the electronic expansion valve controller being located inside battery bag；With reasonable in design, the advantages of to the temperature of battery core pack can freely adjust so as to improve battery.
Description
Technical field
The utility model belongs to power battery technology field, and in particular to a kind of refrigerant circulation formula electrokinetic cell heat management system
System.
Background technology
Into 21 century, with the enhancing of people's environmental consciousness, the electric automobile Industry Quick Development in China.Consumer couple
The endurance of electric automobile requires also more and more higher, and in order to increase the course continuation mileage of electric automobile, the capacity of electrokinetic cell is got over
Bigger, energy density more and more higher is done, internal structure is also even closer.In order that electrokinetic cell can be in summer high temperature and winter
Normal operation in the environment of season low temperature, and increase the service life, battery thermal management system arises at the historic moment, current battery heat management system
System major technique is divided into Water-cooling circulating formula and air-cooled plus resistance wire heating formula.
The heat management system of Water-cooling circulating formula, cardinal principle is the setting pipe band inside battery bag, by way of conduction
Heat exchange is carried out with battery.The radiator by automotive front end by recirculated water is needed during refrigeration, or it is board-like with air-conditioning system
Heat exchanger is connected.Need to add resistance wire in the circulatory system during heating, directly heat.The mode of this heat management, radiate ratio
It is more uniform, obtain increasing popularization.But water cooling pipe laying space requirement is larger, complex designing, cost is higher.For
Reduction pipeline is taken up space, and battery bag water cooling pipeline uses light-weight design in market, while pipeline wall thickness is thinned, but causes
The antidetonation of pipeline, fatigue resistance weaken, and this not only increases to the requirement of strength design of whole bag, and recirculated water leakage
Risk increases, once leakage, inside battery will be short-circuit, and battery will be scrapped, also entail dangers to vehicle crew safety.Simultaneously when outer
The radiator heat-dissipation efficiency of too high (the be more than 38 DEG C) automotive front end of boundary's environment temperature will degradation, system can not be provided for battery
Cold increases the cost of power-supply system, it is necessary to increase refrigeration plant.
The heat management system of air-cooled plus resistance wire heating formula, the external world in driving process is relied primarily on during refrigeration and is poured into machine
The cold wind in portion carries out convective cooling, and its temperature-fall period limited by conditions such as outside air temperature, wind speed, temperature-fall period is whard to control,
Cooling-down effect is poor, while the IP protection level requirements of whole bag are difficult to reach.During heating, the electricity inside battery modules is relied primarily on
Resistance silk is heated, and this mode of heating high energy consumption and efficiency of heating surface is low, Energy Efficiency Ratio is less than 1.
Utility model content
The defects of the purpose of this utility model is to overcome in the prior art, and provide it is a kind of reasonable in design, can be with
A kind of freely regulated refrigerant circulation formula power battery thermal management system is carried out to the temperature of battery core pack.
What the purpose of this utility model was realized in：Including the motor compressor assembly on body support, electricity
Dynamic compressor assembly is connected with four-way valve, condenser, the first electric expansion valve and the first threeway successively, the second end of the first threeway
Be connected successively with the second electric expansion valve, A/C evaporator, the 3rd end of the first threeway successively with the 3rd electric expansion valve, battery
Bag radiator and the second threeway are connected, and the second end of the second threeway is connected with four-way valve, and the 3rd end and the air-conditioning of the second threeway steam
Hair device is connected, the first electric expansion valve, the second electric expansion valve and the even electricity with being located inside battery bag of the 3rd electric expansion valve
Sub- expansion valve controller is connected.
The utility model has reasonable in design, and the temperature of battery core pack can freely adjust so as to improve electricity
The advantages of pond service life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, now control illustrates
Specific embodiment of the present utility model, in the various figures identical label represent identical part.To make simplified form, in each figure
The part related to utility model is only schematically show, they do not represent its practical structures as product.
As shown in figure 1, the utility model is a kind of refrigerant circulation formula power battery thermal management system, including installed in vehicle body
Motor compressor assembly 1 on support, motor compressor assembly 1 successively with four-way valve 2, condenser 3, the first electric expansion valve 4
It is connected with the first threeway 5, the second end of the first threeway 5 is connected with the second electric expansion valve 6, A/C evaporator 7 successively, and the one or three
Logical 5 the 3rd end is connected with the 3rd electric expansion valve 9, the threeway 8 of battery bag radiator 10 and second successively, and the of the second threeway 8
Two ends are connected with four-way valve 2, and the 3rd end of the second threeway 8 is connected with A/C evaporator 7, the first electric expansion valve 4, the second electronics
The electric expansion valve 9 of expansion valve 6 and the 3rd is even to be connected with the electronic expansion valve controller 11 being located inside battery bag.
Operation principle of the present utility model is as follows：During kind of refrigeration cycle：Refrigerant becomes after the compression of motor compressor assembly 1
For the gas of HTHP, discharged from the exhaust outlet of motor compressor assembly 1, flow through four-way valve 2, into cold installed in body forward structure
In condenser 3, under the thermolysis of condenser 3, distribute heat in air, now refrigerant is changed into the liquid of medium temperature high pressure,
The first electric expansion valve 4 and the first threeway 5 are flowed through, then respectively enters the second electric expansion valve 6 and the 3rd electric expansion valve 9,
Under the throttling action of the second electric expansion valve 6, liquid refrigerants is changed into the unsaturated steam of low-temp low-pressure, into A/C evaporator
7, after absorbing the heat in vehicle drive room, it is changed into cryogenic gaseous refrigerant；Under the throttling action of the 3rd electric expansion valve 9, liquid
State refrigerant is changed into the unsaturated steam of low-temp low-pressure, into battery bag radiator 10, after absorbing the heat inside battery bag, is changed into
Cryogenic gaseous refrigerant；All refrigerants all pass through the second threeway 8, into four-way valve 2, return to the air entry of motor compressor assembly 1, quilt
Re-compress.During this, under the control of electronic expansion valve controller 11, the passage standard-sized sheet of the first electric expansion valve 4 allows liquid
Refrigerant passes through, and the second electric expansion valve 6 and the 3rd electric expansion valve 9 open minim channel, play the work of reducing pressure by regulating flow
With.
During heating circulation：Refrigerant is changed into the gas of HTHP, from electric compressor after the compression of motor compressor assembly 1
The exhaust outlet of machine assembly 1 is discharged, and is entered battery bag radiator 10 by four-way valve 2, the second threeway 8, is passed through battery bag radiator 10
Heat is distributed inside battery bag, the temperature of battery core module is lifted, plays a part of heating, now refrigerant will be changed into medium temperature high pressure
Liquid.Then refrigerant flows through the 3rd electric expansion valve 9, the first threeway 5, into the first electric expansion valve 4, reducing pressure by regulating flow, becomes
For unsaturated steam, it is changed into the gas of low-temp low-pressure in condenser 3, flows through four-way valve 2, returns to the air entry of motor compressor 1,
Compressed again.During this, under the control of electronic expansion valve controller 11, the first electric expansion valve 4 opens minim channel
Play a part of reducing pressure by regulating flow, the passage standard-sized sheet of the 3rd electric expansion valve 9, allow liquid refrigerant to pass through, the second electronic expansion
Valve 6 completely closes, and does not allow refrigerant to circulate.
The utility model is connected with whole-vehicle air-conditioner system by arranging radiator 10 inside battery bag, passes through four-way
Valve 2 adjusts refrigerant flow direction, so as to the different demands completed to freeze and heated.
The utility model provides the energy source of heat management using automotive air-conditioning system for battery bag, by dissipating for the refrigerant that circulates
Hot device is directly arranged inside battery bag, by the regulation in four-way valve direction, can both utilize air-conditioning system to freeze for battery bag,
Air-conditioning system can also be converted to heat pump, heating is provided for battery bag.
Under heating mode, because having used heat pump type air conditioning system to be heated, electric energy can be utilized by the heat pump in environment
Inside battery is sent to, obtained heat is the electric energy of consumption and the Lowlevel thermal energy sum of absorption, therefore its Energy Efficiency Ratio is more than 1.
, it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " setting ",
" connection " etc. should be interpreted broadly, for example, it may be being fixedly connected, be integrally connected or be detachably connected；Also may be used
To be the connection of two element internals；Can be joined directly together, can also be indirectly connected by intermediary, for this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.Above
Describe illustrating only for feasibility embodiment of the present utility model in detail, they simultaneously are not used to limit this practicality
New protection domain, all equivalent implementations made without departing from the utility model skill spirit, change and transformation all should wrap
It is contained within the scope of protection of the utility model.
Claims (1)
1. a kind of refrigerant circulation formula power battery thermal management system, including the motor compressor assembly on body support
(1), it is characterised in that：Motor compressor assembly (1) successively with four-way valve (2), condenser (3), the first electric expansion valve (4) and
First threeway (5) is connected, and the second end of the first threeway (5) is connected with the second electric expansion valve (6), A/C evaporator (7) successively,
3rd end of the first threeway (5) is connected with the 3rd electric expansion valve (9), battery bag radiator (10) and the second threeway (8) successively,
Second end of the second threeway (8) is connected with four-way valve (2), and the 3rd end of the second threeway (8) is connected with A/C evaporator (7), the
One electric expansion valve (4), the second electric expansion valve (6) and the even electronics with being located inside battery bag of the 3rd electric expansion valve (9)
Expansion valve controller (11) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722128.8U CN206834299U (en) | 2017-06-15 | 2017-06-15 | A kind of refrigerant circulation formula power battery thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722128.8U CN206834299U (en) | 2017-06-15 | 2017-06-15 | A kind of refrigerant circulation formula power battery thermal management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834299U true CN206834299U (en) | 2018-01-02 |
Family
ID=60777310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720722128.8U Expired - Fee Related CN206834299U (en) | 2017-06-15 | 2017-06-15 | A kind of refrigerant circulation formula power battery thermal management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206834299U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592441A (en) * | 2018-05-21 | 2018-09-28 | 江西江铃集团新能源汽车有限公司 | Thermal management system of electric automobile |
| CN117134037A (en) * | 2023-08-28 | 2023-11-28 | 无锡柯诺威新能源科技有限公司 | Battery thermal management system and compressor motor temperature adjusting method |
-
2017
- 2017-06-15 CN CN201720722128.8U patent/CN206834299U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592441A (en) * | 2018-05-21 | 2018-09-28 | 江西江铃集团新能源汽车有限公司 | Thermal management system of electric automobile |
| CN117134037A (en) * | 2023-08-28 | 2023-11-28 | 无锡柯诺威新能源科技有限公司 | Battery thermal management system and compressor motor temperature adjusting method |
| CN117134037B (en) * | 2023-08-28 | 2024-03-19 | 无锡柯诺威新能源科技有限公司 | Battery thermal management system and compressor motor temperature adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20200615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |