CN110165337A - A kind of battery thermal management system and management method based on hybrid power system - Google Patents
A kind of battery thermal management system and management method based on hybrid power system Download PDFInfo
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- CN110165337A CN110165337A CN201910465915.2A CN201910465915A CN110165337A CN 110165337 A CN110165337 A CN 110165337A CN 201910465915 A CN201910465915 A CN 201910465915A CN 110165337 A CN110165337 A CN 110165337A
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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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
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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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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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
- H01M10/65—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
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Secondary Cells (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A kind of a kind of battery thermal management system and management method based on hybrid power system, and in particular to power battery heating technique.Present invention understands that the certainly fireballing problem of power battery life time decay in power battery performance difference and hot environment in low temperature environment.Different strategies is taken power battery when the different temperature of the present invention, it realizes that control power battery is under preference temperature to work, when in battery case when the temperature is excessively high, it is realized using cooling piece and is cooled down to battery case, when temperature drops between A2 and A1, stop cooling, water storage is carried out using water heater, when the temperature in battery pack is too low, in such a way that water pump is set between water heater and hot-water heating pipe, it realizes and imports the water in water heater in hot-water heating pipe, the water outlet of hot-water heating pipe is connected to the water inlet of water heater, realization constantly will be in the hot-water heating pipe in the delivery to battery case in water heater, water in hot-water heating pipe returns again to water heater, battery case is heated.The present invention is suitable for battery box temperature and adjusts use.
Description
Technical field
The invention belongs to power battery low-temperature heat technical fields, and in particular to a kind of power battery heating technique.
Background technique
With the continuous development of world economy, not only at home or even the shortage of foreign oil becomes and has to face
Problem, while energy shortage, demand is constantly being promoted, therefore new energy technology cry is higher and higher.At present in automobile
In industry, technical staff has developed the electric car using electrical energy drive, wherein energy storage of the power battery as electric car
Device and power resources, belong to the critical component of electric car, and performance directly influences the performance of electric car, such as power
Property, continual mileage, driving performance, safety etc..And the electrochemical reaction and internal resistance in power battery are very quick to the variation of temperature
Sense, easily influence battery capacity, continual mileage, service life and safety, therefore effectively thermal management algorithm to power battery
Seem particularly significant.
Summary of the invention
The invention aims to solve in low temperature environment the power battery service life in power battery performance difference and hot environment
The fast problem of the rate of decay.Propose a kind of battery thermal management system and management method based on hybrid power system.
A kind of battery thermal management system based on hybrid power system of the present invention, the system include generator 1, transformation
Voltage regulator circuit 2, solenoid valve 3, water pump 4, water heater 5, hot-water heating pipe 6, temperature sensor 7, controller 8 and cooling piece 9；
The water inlet of solenoid valve 3 is connected to the water outlet of water pump 4, and the water inlet of water pump 4 and the water outlet of water heater 5 connect
Logical, the water inlet of the water heater 5 is connected to the water outlet of hot-water heating pipe 6, the water inlet of the hot-water heating pipe 6 and going out for solenoid valve 3
Mouth of a river connection；
Hot-water heating pipe 6 is arranged in battery case, and the two sides of each battery pack are arranged with hot-water heating pipe；
Muti-piece cooling piece 9 is sticked at equal intervals on the inner wall of battery case, for cooling down for battery case inner space；
Generator 1 is respectively water pump 4, water heater 5, temperature sensor 7, controller 8 and refrigeration by transformation voltage regulator circuit 2
Piece 9 is powered；
The electromagnetic valve switch control signal output of the control signal input connection controller 8 of solenoid valve 3, water pump 4
The pump switch control signal input of switch control signal input terminal connection controller 8；
The heating power control signal output of the control signal input connection controller 8 of water heater 5；Temperature sensor
7 for acquiring the temperature signal in battery case, the temperature signal input of the signal output end connection controller 8 of temperature sensor 7
End；The refrigeration control signal input part of the power control signal input connection controller 8 of cooling piece 9.
It further, further include No. two temperature sensors, temperature letter in No. two temperature sensors acquisition water heater 5
Number, hot water temperature's signal input part of the signal output end connection controller 8 of No. two temperature sensors.
A kind of battery thermal management method based on hybrid power system, this method is based on above-mentioned based on hybrid power system
Battery thermal management system realize, this method comprises:
Step 1: the temperature in acquisition battery case, judges whether temperature signal is greater than threshold value A 1 in battery case, if so,
Step 3 is executed, otherwise, executes step 2；
Step 2: control solenoid valve 3 is opened, water pump 4 is powered on, under the action of water pump 4 provides power, in water heater 5
The high-temperature water that water again flows into water at low temperature and heater in the realization hot water pipe of water heater 5 through hot-water heating pipe 6 recycles, until battery
Temperature in case is greater than threshold value A 1, and solenoid valve 3 is closed, and water pump 4 stops working, and returns to step one；
Step 3: judging whether the temperature in battery case is less than threshold value A 2, if so, returning to step one, otherwise, execute
Step 4；Wherein, A2 > A1；A1, A2 are positive number；
Step 4: control cooling piece powers on and freezes to battery pack in battery case, until battery the temperature inside the box is less than A1+
(A2-A1)/2；Return to step one.
Further, the temperature range of threshold value A 2 is 30 DEG C~50 DEG C.
Further, the temperature range of threshold value A 1 is 20 DEG C~30 DEG C.
Further, speed u (the t)=k for the water flow that water pump 4 providesp*et+ki*(et-et-1), wherein kpIt is ratio enlargement
Coefficient, kiIt is integral proportionality coefficient, etIt is t moment temperature difference, et-1It is t-1 moment temperature difference, the practical temperature of the temperature difference e=
Degree-threshold value A 1.
The present invention takes power battery different strategies in different temperature, realizes that control power battery is in and is suitable for
At a temperature of work, when in battery case when the temperature is excessively high, using cooling piece realize to battery case cool down, when temperature drop to A2 and A1 it
Between when, stop cooling, while hot-water heating pipe be set between two adjacent groups battery pack in battery case, water storage is carried out using water heater,
When the temperature in battery pack is too low, by way of water pump is arranged between water heater and hot-water heating pipe, realization will be in water heater
Water import hot-water heating pipe in, since the water outlet of hot-water heating pipe be connected to the water inlet of water heater, realize constantly will be in water heater
In hot-water heating pipe in delivery to battery case, the water in hot-water heating pipe returns again to water heater, heats to battery case.It is real
The temperature in battery case is now quickly improved, guarantees the temperature of battery pack in battery case.
Detailed description of the invention
Fig. 1 is the battery thermal management system principle framework of the present invention based on hybrid power system；
Fig. 2 is the electrical principle block diagram of the battery thermal management system of the present invention based on hybrid power system.
Specific embodiment
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, how to apply to the present invention whereby
Technological means solves technical problem, and the realization process for reaching relevant art effect can fully understand and implement.This Shen
Please each feature in embodiment and embodiment, can be combined with each other under the premise of not colliding, be formed by technical solution
It is within the scope of the present invention.
Specific embodiment 1: illustrating that present embodiment, one kind described in present embodiment are based below with reference to Fig. 1 and Fig. 2
The battery thermal management system of hybrid power system, the system include generator 1, transformation voltage regulator circuit 2, solenoid valve 3, water pump 4, heat
Hydrophone 5, hot-water heating pipe 6, temperature sensor 7, controller 8 and cooling piece 9；
The water inlet of solenoid valve 3 is connected to the water outlet of water pump 4, and the water inlet of water pump 4 and the water outlet of water heater 5 connect
Logical, the water inlet of the water heater 5 is connected to the water outlet of hot-water heating pipe 6, the water inlet of the hot-water heating pipe 6 and going out for solenoid valve 3
Mouth of a river connection；
Hot-water heating pipe 6 is arranged in battery case, and the two sides of each battery pack are arranged with hot-water heating pipe；
Muti-piece cooling piece 9 is sticked at equal intervals on the inner wall of battery case, for cooling down for battery case inner space；
Generator 1 is respectively water pump 4, water heater 5, temperature sensor 7, controller 8 and refrigeration by transformation voltage regulator circuit 2
Piece 9 is powered；
The electromagnetic valve switch control signal output of the control signal input connection controller 8 of solenoid valve 3, water pump 4
The pump switch control signal input of switch control signal input terminal connection controller 8；
The heating power control signal output of the control signal input connection controller 8 of water heater 5；Temperature sensor
7 for acquiring the temperature signal in battery case, the temperature signal input of the signal output end connection controller 8 of temperature sensor 7
End；The refrigeration control signal input part of the power control signal input connection controller 8 of cooling piece 9.
System described in present embodiment is in order to guarantee that battery can work under preference temperature, thus to improve battery
Service life and performance.The engine is connect by water channel with power battery box, and solenoid valve is arranged in water channel, passes through electricity
Magnet valve controls the circulation of water in water channel.In power battery box low temperature, electromagnetism is opened in the preheating of electrical power generators water heater at this time
Valve, heater heats power battery box by hot water pipe, when the temperature of power battery reaches threshold value A 1, closing generator,
Solenoid valve between water pump and power battery box flows the water in power battery box no longer, becomes an independent system.When
When temperature of powered cell is excessively high, cooled down by cooling piece, reaches suitable power battery optimum working temperature.In the heat of power battery
In management system, pump housing speed is controlled by temperature, to reach the timeliness and validity that heat up to power battery.
Specific embodiment 2: present embodiment is to a kind of battery based on hybrid power system described in embodiment one
Heat management system is described further, and further includes No. two temperature sensors, temperature in No. two temperature sensors acquisition water heater 5
Spend signal, hot water temperature's signal input part of the signal output end connection controller 8 of No. two temperature sensors.
Specific embodiment 3: a kind of battery thermal management method based on hybrid power system described in present embodiment, it should
Method based on described in specific embodiment one based on hybrid power system battery thermal management system realize, this method it is specific
Step are as follows:
Step 1: the temperature in acquisition battery case, judges whether temperature signal is greater than threshold value A 1 in battery case, if so,
Step 3 is executed, otherwise, executes step 2；
Step 2: control solenoid valve 3 is opened, water pump 4 is powered on, under the action of water pump 4 provides power, in water heater 5
The high-temperature water that water again flows into water at low temperature and heater in the realization hot water pipe of water heater 5 through hot-water heating pipe 6 recycles, until battery
Temperature in case is greater than threshold value A 1, and solenoid valve 3 is closed, and water pump 4 stops working, and returns to step one；
Step 3: judging whether the temperature in battery case is less than threshold value A 2, if so, returning to step one, otherwise, execute
Step 4；Wherein, A2 > A1；A1, A2 are positive number；
Step 4: control cooling piece powers on and freezes to battery pack in battery case, until battery the temperature inside the box is less than A1+
(A2-A1)/2；Return to step one.
Specific embodiment 4: present embodiment is to be based on hybrid power system to one kind described in specific embodiment three
Battery thermal management method be described further, the temperature range of threshold value A 2 is 30 DEG C~50 DEG C.
Specific embodiment 5: present embodiment is to be based on hybrid power system to one kind described in specific embodiment three
Battery thermal management method be described further, the temperature range of threshold value A 1 is 20 DEG C~30 DEG C.
Specific embodiment 6: present embodiment is to be based on hybrid power system to one kind described in specific embodiment three
Battery thermal management method be described further, water pump 4 provide water flow speed u (t)=kp*et+ki*(et-et-1),
In, kpIt is rate mu-factor, kiIt is integral proportionality coefficient, etIt is t moment temperature difference, et-1It is t-1 moment temperature difference, the temperature
Spend difference e=actual temperature-threshold value A 1.
The present invention, which can control power battery and be under preference temperature, to work, in power battery low temperature, generator preheating,
Keep the water flow in water channel logical by opening solenoid valve, low-temperature heat is carried out to power battery.When temperature reaches 20 DEG C~30 DEG C,
The solenoid valve between engine and power battery box is closed, power battery box becomes an independent system at this time.Pass through at this time
The pump housing controls the temperature of power battery.The speed of the pump housing is controlled by the temperature of power battery, heat management system guarantees dynamic
Power battery works 30 DEG C~50 DEG C in preference temperature, to reach the timeliness and validity that maintain temperature of powered cell.Pass through temperature
The speed of the degree variation control pump housing.
Although disclosed herein embodiment it is as above, the content is only to facilitate understanding the present invention and adopting
Embodiment is not intended to limit the invention.Any those skilled in the art to which this invention pertains are not departing from this
Under the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But scope of patent protection of the invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (6)
1. a kind of battery thermal management system based on hybrid power system, which is characterized in that the system includes generator (1), becomes
Press voltage regulator circuit (2), solenoid valve (3), water pump (4), water heater (5), hot-water heating pipe (6), temperature sensor (7), controller (8) and
Cooling piece (9)；
The water inlet of solenoid valve (3) is connected to the water outlet of water pump (4), the water inlet of water pump (4) and the water outlet of water heater (5)
Connection, the water inlet of the water heater (5) are connected to the water outlet of hot-water heating pipe (6), the water inlet and electromagnetism of the hot-water heating pipe (6)
The water outlet of valve (3) is connected to；
Hot-water heating pipe (6) is arranged in battery case, and the two sides of each battery pack are arranged with hot-water heating pipe；
Muti-piece cooling piece (9) is sticked at equal intervals on the inner wall of battery case, for cooling down for battery case inner space；
Generator (1) is respectively water pump (4), water heater (5), temperature sensor (7), controller by transformation voltage regulator circuit (2)
(8) it powers with cooling piece (9)；
The electromagnetic valve switch control signal output of control signal input connection controller (8) of solenoid valve (3), water pump (4)
Switch control signal input terminal connection controller (8) pump switch control signal input；
The heating power control signal output of control signal input connection controller (8) of water heater (5)；Temperature sensor
(7) for acquiring the temperature signal in battery case, the temperature letter of signal output end connection controller (8) of temperature sensor (7)
Number input terminal；The refrigeration control signal input part of power control signal input connection controller (8) of cooling piece (9).
2. a kind of battery thermal management system based on hybrid power system according to claim 1, which is characterized in that further include
No. two temperature sensors, No. two temperature sensors acquire water heater (5) interior temperature signal, No. two temperature sensors
Signal output end connects hot water temperature's signal input part of controller (8).
3. a kind of battery thermal management method based on hybrid power system, this method is based on described in claim 1 based on mixing
The battery thermal management system of dynamical system is realized, which is characterized in that the specific steps of this method are as follows:
Step 1: the temperature in acquisition battery case, judges whether temperature signal is greater than threshold value A 1 in battery case, if so, executing
Otherwise step 3 executes step 2；
Step 2: control solenoid valve (3) is opened, water pump (4) is powered on, under the action of water pump (4) provide power, water heater (5)
The high-temperature water that interior water again flows into water at low temperature and heater in water heater (5) realization hot water pipe through hot-water heating pipe (6) recycles,
Until the temperature in battery case is greater than threshold value A 1, solenoid valve (3) is closed, and water pump (4) stops working, and returns to step one；
Step 3: judging whether the temperature in battery case is less than threshold value A 2, if so, returning to step one, otherwise, step is executed
Four；Wherein, A2 > A1；A1, A2 are positive number；
Step 4: control cooling piece powers on and freezes to battery pack in battery case, until battery the temperature inside the box is less than A1+ (A2-
A1)/2；Return to step one.
4. a kind of battery thermal management method based on hybrid power system according to claim 3, which is characterized in that threshold value A 2
Temperature range be 30 DEG C~50 DEG C.
5. a kind of battery thermal management method based on hybrid power system according to claim 3, which is characterized in that threshold value A 1
Temperature range be 20 DEG C~30 DEG C.
6. a kind of battery thermal management method based on hybrid power system according to claim 3, which is characterized in that water pump
(4) speed u (t)=k of the water flow providedp*et+ki*(et-et-1), wherein kpIt is rate mu-factor, kiIt is integral ratio system
Number, etIt is t moment temperature difference, et-1It is t-1 moment temperature difference, the temperature difference e=actual temperature-threshold value A 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910465915.2A CN110165337A (en) | 2019-05-30 | 2019-05-30 | A kind of battery thermal management system and management method based on hybrid power system |
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| CN201910465915.2A CN110165337A (en) | 2019-05-30 | 2019-05-30 | A kind of battery thermal management system and management method based on hybrid power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549952A (en) * | 2020-12-16 | 2021-03-26 | 常州信息职业技术学院 | Thermal control management system of electric automobile |
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| JP2002334710A (en) * | 2001-05-08 | 2002-11-22 | Nippon Telegr & Teleph Corp <Ntt> | Load following type fuel cell power generation system |
| JP2013137152A (en) * | 2011-12-28 | 2013-07-11 | Daikin Industries Ltd | Hot water supply device |
| CN103531864A (en) * | 2013-10-21 | 2014-01-22 | 三门峡速达交通节能科技股份有限公司 | Battery box heat management system and method for electric automobile |
| CN107732372A (en) * | 2017-08-30 | 2018-02-23 | 合肥亿福自动化科技有限公司 | A kind of cell managing device |
| CN109203909A (en) * | 2017-07-07 | 2019-01-15 | 现代自动车株式会社 | Heating, ventilating and air conditioning system for vehicle |
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2019
- 2019-05-30 CN CN201910465915.2A patent/CN110165337A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002334710A (en) * | 2001-05-08 | 2002-11-22 | Nippon Telegr & Teleph Corp <Ntt> | Load following type fuel cell power generation system |
| JP2013137152A (en) * | 2011-12-28 | 2013-07-11 | Daikin Industries Ltd | Hot water supply device |
| CN103531864A (en) * | 2013-10-21 | 2014-01-22 | 三门峡速达交通节能科技股份有限公司 | Battery box heat management system and method for electric automobile |
| CN109203909A (en) * | 2017-07-07 | 2019-01-15 | 现代自动车株式会社 | Heating, ventilating and air conditioning system for vehicle |
| CN107732372A (en) * | 2017-08-30 | 2018-02-23 | 合肥亿福自动化科技有限公司 | A kind of cell managing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112549952A (en) * | 2020-12-16 | 2021-03-26 | 常州信息职业技术学院 | Thermal control management system of electric automobile |
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Application publication date: 20190823 |