CN108091958B - A kind of lithium battery group radiator and its control method - Google Patents

A kind of lithium battery group radiator and its control method Download PDF

Info

Publication number
CN108091958B
CN108091958B CN201611036017.8A CN201611036017A CN108091958B CN 108091958 B CN108091958 B CN 108091958B CN 201611036017 A CN201611036017 A CN 201611036017A CN 108091958 B CN108091958 B CN 108091958B
Authority
CN
China
Prior art keywords
damper blade
lithium battery
temperature
value
speed
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.)
Active
Application number
CN201611036017.8A
Other languages
Chinese (zh)
Other versions
CN108091958A (en
Inventor
王婧洁
徐丽敏
胡继康
吕忱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Priority to CN201611036017.8A priority Critical patent/CN108091958B/en
Publication of CN108091958A publication Critical patent/CN108091958A/en
Application granted granted Critical
Publication of CN108091958B publication Critical patent/CN108091958B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/633Control systems characterised by algorithms, flow charts, software details or the like
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/635Control systems based on ambient temperature
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The invention discloses a kind of lithium battery group radiator and its control methods, including cabinet, damper blade, lithium battery group, temperature sensor, actuator, controller and vehicle speed sensor, damper blade is set to the intracorporal one end of case, lithium battery group is set to the intracorporal other end of case, air-flow is flowed into cabinet by damper blade, lithium battery group in cooling box, the test side of temperature sensor is connected with lithium battery group, the output end of temperature sensor is connected with controller, controller is connected with actuator and vehicle speed sensor respectively again, actuator is connected with damper blade, actuator is to drive damper blade, air-flow can be controlled and flow into the intracorporal uninterrupted of case, speed signal of the controller to read vehicle speed sensor offer, and the temperature signal that temperature sensor provides, it is calculated accordingly, actuator is transmitted to again to drive accordingly Dynamic signal.The present invention can calculate and control in real time air quantity according to actual condition, optimize radiating efficiency, improve lithium battery group performance and safety.

Description

A kind of lithium battery group radiator and its control method
Technical field
The present invention relates to lithium battery group heat dissipation technologys, more specifically to a kind of lithium battery group radiator and its control Method processed.
Background technique
With the rapid development of economy, energy and environmental problem has become the serious problems of the mankind.Traditional internal combustion engine Automobile is increasingly not suitable with the development of society, and electric car has received the height of national governments, motor corporation and research and development institution Degree is paid attention to.As main energy-storage travelling wave tube -- battery is one of the core component of electric car.Among these, lithium battery is with it The advantages such as small in size, capacity is big, voltage stabilization, can be recycled, and safety is stronger are shown one's talent, and dominant position is occupied. The amount of heat that lithium ion battery generates in charge and discharge process will lead to the raising of internal battery pack temperature, serious temperature rise meeting The performance of battery, service life are influenced even with safety.Therefore the heat dissipation of lithium battery for guarantee on-vehicle battery and vehicle performance, Safety is significant.
The modes such as the current air-cooled and liquid cooling of battery pack heat dissipation.Liquid-cooling heat radiation effect is good, but system complex, and weight is larger, Therefore battery pack heat dissipation generally uses air cooling way on electric car.It is air-cooled and blower drawing-in type and natural air cooled side can be divided into Formula.Blower Smoking regime itself consumes the energy content of battery, reduces automobile course continuation mileage, therefore natural air cooled mode occupies electricity again The mainstream of electrical automobile battery pack heat dissipation.
The natural air cooled heat dissipation of current electric car mainly considers that increasing the approach such as thermal component, optimization design air duct carries out Lithium battery group heat management, but be the failure to adjust cooling system according to Full Vehicle System actual condition.
Summary of the invention
In view of the above defects of the prior art, the object of the present invention is to provide a kind of lithium battery group radiator and Its control method, can calculate and control in real time air quantity according to actual condition, optimize radiating efficiency, improve lithium battery group performance and Safety.
To achieve the above object, the present invention adopts the following technical scheme:
On the one hand, a kind of lithium battery group radiator, including cabinet, damper blade, lithium battery group, temperature sensor, hold Row device, controller and vehicle speed sensor, damper blade are set to the intracorporal one end of case, and lithium battery group is set to the intracorporal other end of case, Air-flow is flowed into cabinet by damper blade, the lithium battery group in cooling box, the test side of temperature sensor and lithium battery group It is connected, the output end of temperature sensor is connected with controller, and controller is connected with actuator and vehicle speed sensor respectively again, executes Device is connected with damper blade again, and actuator can control air-flow and flow into the intracorporal uninterrupted of case to drive damper blade, control Device processed carries out corresponding to read the speed signal of vehicle speed sensor offer and the temperature signal of temperature sensor offer It calculates, then is transmitted to the corresponding driving signal of actuator.
The controller is car-mounted computer, single-chip microcontroller, PLC or DSP.
The controller is car-mounted computer, and vehicle speed data can be read from car-mounted computer and is then not required to configuration speed sensing Device needs to configure vehicle speed sensor if car-mounted computer cannot read vehicle speed data.
The actuator is control motor.
On the other hand, a kind of control method of lithium battery group radiator, comprising the following steps:
S1. the temperature value of the lithium battery group detected according to temperature sensor calculates present scanning cycle temperature-aperture Value x1
In above-mentioned formula: T1For present scanning cycle lithium battery group temperature, TMINFor minimum temperature, TMAXFor maximum temperature;
S2. the speed signal provided according to vehicle speed sensor calculates present scanning cycle speed-opening value y1
In above-mentioned formula: V1For present scanning cycle speed, yMAXFor damper blade maximum opening, VMAXFor max. speed;
S3. according to temperature-opening value of scan period and speed-opening value of scan period, damper blade is calculated Opening value Δ D '
Δ D '=α (x1-x0)+(1-α)(y1-y0)
In above-mentioned formula: α is weighting coefficient, x0For upper scan cycle temperature-opening value, y0For upper scan cycle vehicle Speed-opening value;
S4. according to the opening value of damper blade, the aperture changing value Δ D of damper blade is calculated
In above-mentioned formula: Δ DMAXChange maximum value for damper blade aperture;
S5. further according to the aperture changing value of damper blade, the final opening value D for calculating present scanning cycle damper blade1
D1=D0+ Δ D (0%≤D1≤ 100%)
In above-mentioned formula: D0For the opening value of preceding scan cycle damper blade.
In the above technical solution, a kind of lithium battery group radiator provided by the present invention and its control method are led to It crosses controller and obtains the opening value that related data is used to calculate damper blade, then control opening for actuator driven damper blade Degree, can control outer gas stream and flow into the intracorporal air quantity of case, achieve the purpose that lithium battery group in cooling box, according to actual condition It calculates in real time and control air quantity, optimization radiating efficiency improves lithium battery group performance and safety.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the schematic diagram using the embodiment of the present invention 1;
Fig. 3 is the schematic diagram using the embodiment of the present invention 2;
Fig. 4 is the schematic diagram using the embodiment of the present invention 3.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1, a kind of lithium battery group radiator provided by the present invention, including cabinet 1, damper blade 2, Lithium battery group 3, temperature sensor 4, actuator 5, controller 6 and vehicle speed sensor 7, damper blade 2 are set to one in cabinet 1 End, lithium battery group 3 are set to the other end in cabinet 1, and the air-flow outside cabinet 1 is flowed into cabinet 1 by damper blade 2, reach The test side of the temperature of lithium battery group 3 in cooling box 1, temperature sensor 4 is connected with lithium battery group 3, temperature sensor 4 Output end is connected with controller 6, and controller 6 is connected with actuator 5 and vehicle speed sensor 7 respectively again, actuator 5 again with air door leaf Piece 2 is connected, and aperture of the actuator 5 to drive and adjust damper blade 2 enables damper blade 2 to control air-flow and flow into cabinet 1 Interior uninterrupted, controller 6 is to read the speed signal of the offer of vehicle speed sensor 7 and the temperature of the offer of temperature sensor 4 Signal is spent, current opening value is calculated accordingly, then be transmitted to actuator 5 and corresponding drive is made to damper blade 2 Dynamic signal, depending on the concrete condition of vehicle and cabinet 1, damper blade 2 is required to the shapes and sizes of damper blade 2 Fully opened and a fully closure is a wide range of interior adjustable, and it is suitable that temperature sensor 4 can be selected according to the different situations of lithium battery group 3 Type, or with battery management system share.
Preferably, the controller 6 is the various processing units such as car-mounted computer, single-chip microcontroller 8, PLC or DSP.
Preferably, the controller 6 is car-mounted computer 9, vehicle speed data can be read from car-mounted computer 9 and then be not required to match Vehicle speed sensor 7 is set, needs to configure vehicle speed sensor 7 if car-mounted computer 9 cannot read vehicle speed data.
Preferably, the actuator 5 is small-sized control motor, can be run in air door drive shaft adjustable extent.
In addition, a kind of control method of lithium battery group radiator provided by the present invention, specific as follows:
Damper blade aperture can calculate as follows in controller:
D=α x+ (1- α) y (0%≤D≤100%)
In above-mentioned formula: D is the aperture of damper blade, is usually changed in 0%~100%.α is weighting coefficient, characterization The influence of lithium battery temperature and speed for blade opening, it is that main influence is wanted that usual α, which should be greater than 0.5 i.e. lithium battery temperature, Element.
X is temperature-opening value, characterizes the blade opening calculated based on temperature, blade needs difference at different temperatures Aperture, x and lithium battery temperature T are usually a nonlinear relationship, need to determine by experiment.But if Duct design Excellent, heat dissipation of lithium battery system is matched with air duct in reasonable situation, it can be assumed that in the maximum temperature of lithium battery suitable services TMAXUnder, blade needs fully open;In the minimum temperature T of lithium battery suitable servicesMINUnder, blade needs are closed completely, then warm Degree-opening value x and lithium battery temperature T can do linearization process, such as following formula within the scope of lithium battery suitable services:
In above-mentioned formula: when lithium battery temperature T is less than minimum temperature TMINOr it is greater than maximum temperature TMAX, then no matter speed How to require to completely close or fully open blade.
X=- ∞ (T < TMIN)
X=+ ∞ (T > TMAX)
Three formulas merge, then temperature-opening value x and lithium battery temperature T can be such as following formulas
In above-mentioned formula: T is lithium battery temperature, can take multiple temperature sensors according to the different situations of lithium battery group The value of average value, peak or some typical temperature sensor.
Y is speed-opening value, and characterization is based on the calculated blade opening of speed, and with the raising of vehicle velocity V, throughput increases Greatly, blade opening can be turned down gradually.It is considered that blade opening and speed are in a linear relationship, speed corresponds to blade most when being 0 Big aperture yMAX, usually 100%, as vehicle reaches max. speed VMAX, blade also reaches minimum aperture yMIN,yMINIt is greater than 0%, throughput when depending on max. speed.
In above-mentioned formula: V is current vehicle speed, can read to driving computer, independent sensor also can be set and obtain It takes.
In numerical control system, usually using the mode of incremental computations, it may be assumed that
D1=D0+ΔD
In above-mentioned formula: D1For the aperture calculated value of present scanning cycle damper blade, D0For preceding scan cycle air door leaf The opening value of piece, Δ D are the aperture changing value of damper blade.
For steady and matching actuator the ability for keeping throttle opening to change, Δ D should have controlling dead error and satisfy And the upper limit.
In above-mentioned formula: Δ DMINChange minimum value for damper blade aperture, it can be by minimum in the scan period of actuator Executive capability and the requirement for reducing air door movement determine, usually should not be more than 10%.ΔDMAXBy in the scan period of actuator The requirement of maximum executive capability and the movement of steady air door determines that value should be greater than Δ DMIN.Δ D ' is that the aperture of damper blade becomes Change calculated value.
Δ D '=α (x1-x0)+(1-α)(y1-y0)
In above-mentioned formula: x0For upper scan cycle temperature-opening value, x1For present scanning cycle temperature-opening value, y0For upper scan cycle speed-opening value, y1For present scanning cycle speed-opening value, α is weighting coefficient, characterization lithium electricity The influence of pond temperature and speed for blade opening, it is main influencing factors that usual α, which should be greater than 0.5 i.e. lithium battery temperature,.
In conclusion damper blade aperture calculates, steps are as follows:
S1. present scanning cycle temperature-opening value x is calculated1
Wherein T1For present scanning cycle lithium battery temperature;
S2. present scanning cycle speed-opening value y is calculated1
Wherein V1For present scanning cycle speed;
S3. the aperture for calculating damper blade changes calculated value Δ D '
Δ D '=α (x1-x0)+(1-α)(y1-y0)
S4. the aperture changing value Δ D of damper blade is calculated
S5. the opening value D of present scanning cycle damper blade is calculated1
D1=D0+ Δ D (0%≤D1≤ 100%)
The embodiment of the present invention 1 is as shown in Fig. 2, in figure, and 1 is cabinet, and 2 be damper blade, and 3 be lithium battery group, and 4 be temperature Sensor, 5 be actuator, and 8 be single-chip microcontroller, and 9 be car-mounted computer.
Air-flow is flowed into cabinet 1 by damper blade 2, the lithium battery group 3 in cooling box 1.Adjustable damper blade 2 exists Actuator 5 can control under driving flows into 1 air volume of cabinet.Here, 8 controller of single-chip microcontroller is directly to car-mounted computer 9 Speed signal is read, vehicle speed sensor is no longer separately set;In view of 3 center of lithium battery group height, the low thermo parameters method of surrounding, Xiang Zhong Temperature sensor 4 on 3 monomer of heart lithium battery group reads temperature signal and represents 3 temperature of lithium battery group;Calculate 2 aperture of damper blade The driving signal of actuator 5 is provided after value.
Damper blade 2 can be adjustable within the scope of 90 degree be fully opened and a fully closed under the driving of actuator 5.It executes Device 5 selects Miniature servo-motors small in size, with high accuracy, and 2 position of damper blade can be positioned within the scope of 90 degree.Controller choosing With with the good Freescale single-chip microcomputer of in-vehicle electronic system compatibility, stability is good, convenient with finished vehicle electronic system combination.Temperature Degree sensor 4 selects easy for installation, reliable performance patch type platinum thermocouple.
In certain type electric car: the minimum temperature T of lithium battery suitable servicesMIN=5 DEG C, maximum temperature TMAX=35 DEG C, electricity Electrical automobile max. speed VMAX=60km/h, the blade minimum aperture y in max. speedMIN=10%.
Damper blade aperture calculates as follows in controller:
S1. T=20 DEG C of temperature of present scanning cycle lithium battery is read, then temperature-opening value
S2. present scanning cycle vehicle velocity V is read1=30km/h, then speed-opening value
S3. upper scan cycle x is read0=50%, y0=50%, take weighting coefficient α to be taken as 0.9 here, then damper blade Aperture change calculated value
Δ D '=α (x1-x0)+(1-α)(y1-y0)=0.5%
S4. the aperture changing value for calculating damper blade, takes Δ D hereMINIt is 5%, Δ DMAXIt is 15%, then damper blade Aperture changing value
Δ D=0
S5. upper scan cycle damper blade opening value D is read0=50%, then present scanning cycle damper blade is opened Angle value D1
D1=D0+ Δ D '=50%
The embodiment of the present invention 2 is as shown in figure 3, in figure, and 1 is cabinet, and 2 be damper blade, and 3 be lithium battery group, and 4 be temperature Sensor, 5 be actuator, and 7 be vehicle speed sensor, and 9 be car-mounted computer.
Air-flow is flowed into cabinet 1 by damper blade 2, the lithium battery group 3 in cooling box 1.Adjustable damper blade 2 exists Actuator 5 can control under driving flows into 1 air volume of cabinet.Here, vehicle speed sensor 7 selects electromagnetic type speed sensing Device, car-mounted computer 9 read speed signal to electromagnetic type vehicle speed sensor;3 temperature of lithium battery group is measured using temperature sensor 4 Degree;The driving signal of actuator 5 is provided after calculating 2 opening value of damper blade.
Damper blade 2 can be adjustable within the scope of 90 degree be fully opened and a fully closed under the driving of actuator 5.It executes Device 5 selects Miniature servo-motors, and 2 position of damper blade can be positioned within the scope of 90 degree.Controller directly uses vehicle computing Machine 9, temperature sensor 4 select patch type platinum thermocouple.
In certain type electric car: the minimum temperature T of lithium battery suitable servicesMIN=0 DEG C, maximum temperature TMAX=40 DEG C, electricity Electrical automobile max. speed VMAX=80km/h, the blade minimum aperture y in max. speedMIN=30%.
Damper blade aperture calculates as follows in controller:
S1. T=30 DEG C of temperature of present scanning cycle lithium battery is read, then temperature-opening value
S2. present scanning cycle vehicle velocity V is read1=40km/h, then speed-opening value
S3. upper scan cycle x is read0=65%, y0=65%, take weighting coefficient α to be taken as 0.8 here, then damper blade Aperture change calculated value
Δ D '=α (x1-x0)+(1-α)(y1-y0)=8%
S4. the aperture changing value for calculating damper blade, takes Δ D hereMINIt is 5%, Δ DMAXIt is 20%, then damper blade Aperture changing value
Δ D=Δ D '=8%
S5. upper scan cycle damper blade opening value D is read0=65%, then present scanning cycle damper blade is opened Angle value D1
D1=D0+ Δ D '=73%
The embodiment of the present invention 3 is as shown in figure 4, in figure, and 1 is cabinet, and 2 be damper blade, and 3 be lithium battery group, and 4 be temperature Sensor, 5 be actuator, and 7 be vehicle speed sensor, and 9 be car-mounted computer.
Air-flow is flowed into cabinet 1 by damper blade 2, the lithium battery group 3 in cooling box 1.Adjustable damper blade 2 exists Actuator 5 can control under driving flows into 1 air volume of cabinet.Here, vehicle speed sensor 7 selects Hall-type speed sensing Device, car-mounted computer 9 read speed signal to Hall-type vehicle speed sensor;3 temperature of lithium battery group is measured using temperature sensor 4 Degree;The driving signal of actuator 5 is provided after calculating 2 opening value of damper blade.
Damper blade 2 can be adjustable within the scope of 90 degree be fully opened and a fully closed under the driving of actuator 5.It executes Device 5 select Miniature servo-motors, can within the scope of 90 degree 2 position of locating blades.Controller directly uses car-mounted computer 9, Temperature sensor 4 selects patch type platinum thermocouple.
In certain type electric car: the minimum temperature T of lithium battery suitable servicesMIN=0 DEG C, maximum temperature TMAX=50 DEG C, electricity Electrical automobile max. speed VMAX=70km/h, the blade minimum aperture y in max. speedMIN=30%.
Damper blade aperture calculates as follows in controller:
S1. T=60 DEG C of temperature of present scanning cycle lithium battery is read, then temperature-opening value
x1=+∞
S2. present scanning cycle vehicle velocity V is read1=70km/h, then speed-opening value
S3. upper scan cycle x is read0=60%, y0=40%, take weighting coefficient α to be taken as 0.8 here, then damper blade Aperture change calculated value
Δ D '=α (x1-x0)+(1-α)(y1-y0)=+ ∞
S4. the aperture changing value for calculating damper blade, takes Δ D hereMINIt is 10%, Δ DMAXIt is 20%, then damper blade Aperture changing value
Δ D=20%
S5. upper scan cycle damper blade opening value D is read0=60%, then present scanning cycle damper blade is opened Angle value D1
D1=D0+ Δ D '=80%
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention, And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above Change, modification will all be fallen within the scope of claims of the present invention.

Claims (5)

1. a kind of lithium battery group radiator, which is characterized in that including cabinet, damper blade, lithium battery group, temperature sensor, Actuator, controller and vehicle speed sensor, damper blade are set to the intracorporal one end of case, and it is intracorporal another that lithium battery group is set to case End, air-flow are flowed into cabinet by damper blade, the lithium battery group in cooling box, the test side of temperature sensor and lithium battery Group is connected, and the output end of temperature sensor is connected with controller, and controller is connected with actuator and vehicle speed sensor respectively again, holds Row device is connected with damper blade again, and actuator can control air-flow and flow into the intracorporal uninterrupted of case to drive damper blade, Controller carries out corresponding to read the speed signal of vehicle speed sensor offer and the temperature signal of temperature sensor offer Calculating, then be transmitted to the corresponding driving signal of actuator,
Wherein, the controller executes following processing operation:
According to the temperature value for the lithium battery group that temperature sensor detects, present scanning cycle temperature-opening value x is calculated1
In above-mentioned formula: T1For present scanning cycle lithium battery group temperature, TMINFor minimum temperature, TMAXFor maximum temperature;
According to the speed signal that vehicle speed sensor provides, present scanning cycle speed-opening value y is calculated1
In above-mentioned formula: V1For present scanning cycle speed, yMAXFor damper blade maximum opening, VMAXFor max. speed;
According to temperature-opening value of scan period and speed-opening value of scan period, the opening value of damper blade is calculated ΔD′
Δ D '=α (x1-x0)+(1-α)(y1-y0)
In above-mentioned formula: α is weighting coefficient, x0For upper scan cycle temperature-opening value, y0It is opened for upper scan cycle speed- Angle value;
According to the opening value of damper blade, the aperture changing value Δ D of damper blade is calculated
In above-mentioned formula: Δ DMAXChange maximum value for damper blade aperture;
Further according to the aperture changing value of damper blade, the final opening value D for calculating present scanning cycle damper blade1
D1=D0+ Δ D (0%≤D1≤ 100%)
In above-mentioned formula: D0For the opening value of preceding scan cycle damper blade.
2. a kind of lithium battery group radiator as described in claim 1, which is characterized in that the controller is vehicle computing Machine, single-chip microcontroller, PLC or DSP.
3. a kind of lithium battery group radiator as claimed in claim 2, which is characterized in that the controller is vehicle computing Machine can read vehicle speed data from car-mounted computer and then be not required to configuration vehicle speed sensor, if car-mounted computer cannot read speed number According to then needing to configure vehicle speed sensor.
4. a kind of lithium battery group radiator as described in claim 1, which is characterized in that the actuator is control electricity Machine.
5. a kind of control method of lithium battery group radiator, which comprises the following steps:
S1. the temperature value of the lithium battery group detected according to temperature sensor calculates present scanning cycle temperature-opening value x1
In above-mentioned formula: T1For present scanning cycle lithium battery group temperature, TMINFor minimum temperature, TMAXFor maximum temperature;
S2. the speed signal provided according to vehicle speed sensor calculates present scanning cycle speed-opening value y1
In above-mentioned formula: V1For present scanning cycle speed, yMAXFor damper blade maximum opening, VMAXFor max. speed;
S3. according to temperature-opening value of scan period and speed-opening value of scan period, the aperture of damper blade is calculated It is worth Δ D '
Δ D '=α (x1-x0)+(1-α)(y1-y0)
In above-mentioned formula: α is weighting coefficient, x0For upper scan cycle temperature-opening value, y0It is opened for upper scan cycle speed- Angle value;
S4. according to the opening value of damper blade, the aperture changing value Δ D of damper blade is calculated
In above-mentioned formula: Δ DMAXChange maximum value for damper blade aperture;
S5. further according to the aperture changing value of damper blade, the final opening value D for calculating present scanning cycle damper blade1
D1=D0+ Δ D (0%≤D1≤ 100%)
In above-mentioned formula: D0For the opening value of preceding scan cycle damper blade.
CN201611036017.8A 2016-11-23 2016-11-23 A kind of lithium battery group radiator and its control method Active CN108091958B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611036017.8A CN108091958B (en) 2016-11-23 2016-11-23 A kind of lithium battery group radiator and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611036017.8A CN108091958B (en) 2016-11-23 2016-11-23 A kind of lithium battery group radiator and its control method

Publications (2)

Publication Number Publication Date
CN108091958A CN108091958A (en) 2018-05-29
CN108091958B true CN108091958B (en) 2019-09-20

Family

ID=62169889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611036017.8A Active CN108091958B (en) 2016-11-23 2016-11-23 A kind of lithium battery group radiator and its control method

Country Status (1)

Country Link
CN (1) CN108091958B (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102148413A (en) * 2011-03-08 2011-08-10 中信国安盟固利动力科技有限公司 Temperature controller of vehicle-mounted battery pack
CN201980069U (en) * 2011-03-08 2011-09-21 中信国安盟固利动力科技有限公司 Temperature controller for vehicle-mounted storage battery pack
CN102529639A (en) * 2010-12-17 2012-07-04 康奈可关精株式会社 Vehicle air-conditioning control apparatus
CN102593554A (en) * 2012-03-05 2012-07-18 苏州奥杰汽车工业有限公司 Cooling device for battery pack
CN103730707A (en) * 2013-10-18 2014-04-16 吉林省高新电动汽车有限公司 Constant-temperature battery box of electric automobile and heat management control method of constant-temperature battery box
CN104057799A (en) * 2013-03-18 2014-09-24 马自达汽车株式会社 Vehicle Air-conditioning Control Apparatus
CN104527370A (en) * 2015-01-05 2015-04-22 安徽江淮汽车股份有限公司 Vehicle air-conditioner control system integrated with power battery cooling function and control method of vehicle air-conditioner control system integrated with power battery cooling function
CN104791961A (en) * 2015-05-05 2015-07-22 北京长安汽车工程技术研究有限责任公司 Electric vehicle air conditioner control method
CN105098290A (en) * 2015-07-28 2015-11-25 苏州奥杰汽车技术股份有限公司 Battery pack and in-car temperature regulation system
CN105216785A (en) * 2014-06-10 2016-01-06 丰田自动车株式会社 Motor vehicle driven by mixed power and control method thereof
CN105313675A (en) * 2014-05-27 2016-02-10 爱三工业株式会社 Grille shutter device
CN105514525A (en) * 2016-03-02 2016-04-20 安徽江淮汽车股份有限公司 Temperature control device and control method for batteries of hybrid electric vehicles
CN205303623U (en) * 2016-01-08 2016-06-08 吉林大学 Electric automobile's battery package heat abstractor and system

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102529639A (en) * 2010-12-17 2012-07-04 康奈可关精株式会社 Vehicle air-conditioning control apparatus
CN102148413A (en) * 2011-03-08 2011-08-10 中信国安盟固利动力科技有限公司 Temperature controller of vehicle-mounted battery pack
CN201980069U (en) * 2011-03-08 2011-09-21 中信国安盟固利动力科技有限公司 Temperature controller for vehicle-mounted storage battery pack
CN102593554A (en) * 2012-03-05 2012-07-18 苏州奥杰汽车工业有限公司 Cooling device for battery pack
CN104057799A (en) * 2013-03-18 2014-09-24 马自达汽车株式会社 Vehicle Air-conditioning Control Apparatus
CN103730707A (en) * 2013-10-18 2014-04-16 吉林省高新电动汽车有限公司 Constant-temperature battery box of electric automobile and heat management control method of constant-temperature battery box
CN105313675A (en) * 2014-05-27 2016-02-10 爱三工业株式会社 Grille shutter device
CN105216785A (en) * 2014-06-10 2016-01-06 丰田自动车株式会社 Motor vehicle driven by mixed power and control method thereof
CN104527370A (en) * 2015-01-05 2015-04-22 安徽江淮汽车股份有限公司 Vehicle air-conditioner control system integrated with power battery cooling function and control method of vehicle air-conditioner control system integrated with power battery cooling function
CN104791961A (en) * 2015-05-05 2015-07-22 北京长安汽车工程技术研究有限责任公司 Electric vehicle air conditioner control method
CN105098290A (en) * 2015-07-28 2015-11-25 苏州奥杰汽车技术股份有限公司 Battery pack and in-car temperature regulation system
CN205303623U (en) * 2016-01-08 2016-06-08 吉林大学 Electric automobile's battery package heat abstractor and system
CN105514525A (en) * 2016-03-02 2016-04-20 安徽江淮汽车股份有限公司 Temperature control device and control method for batteries of hybrid electric vehicles

Also Published As

Publication number Publication date
CN108091958A (en) 2018-05-29

Similar Documents

Publication Publication Date Title
CN104675502B (en) For the method and system based on temperature and position feedback adjustment grid shutter
US9976473B2 (en) Condensation control in a charge air cooler by controlling charge air cooler temperature
EP3096392A1 (en) Thermal dissipation system of an electric vehicle
RU2666697C2 (en) Method of managing the engine operation (versions)
Yang et al. Robust coordinated control for hybrid electric bus with single‐shaft parallel hybrid powertrain
US8869757B2 (en) Apparatus of cooling system for vehicle and controlling method using the same
RU2687862C2 (en) Method (versions) and systems for controlling gate valves of vehicle
RU152360U1 (en) Engine system for controling air cooling for supply engines to actively support the target air temperature in the inlet manifold
Odeim et al. Power management optimization of fuel cell/battery hybrid vehicles with experimental validation
CN105346354B (en) The air-conditioning system and control method of pure electric automobile
RU2638695C2 (en) Control method for engine cooling fan
CN1840876B (en) Control apparatus for internal combustion engine and control method for the same
EP1462629B1 (en) Supercharging device for internal combustion engine
EP0903259B1 (en) Control system for hybrid vehicle
CN105720318B (en) A kind of the liquid cooling battery system and its temprature control method of new-energy automobile
CN105313675B (en) Grille shutter device
US9638091B2 (en) Cooling in a liquid-to-air heat exchanger
CN201214410Y (en) Speed cruising control device of oil-electric mixed power electric vehicle
CN100439692C (en) Plant temperature control system
JP5433009B2 (en) Wastegate control system and method
CN102869531B (en) The controller for opening and closing of grille shutter
US20060185626A1 (en) Thermal management system and method for a heat producing system
CN202294647U (en) Adjustable air inlet grille device
CN107109999B (en) The cooling controller and its cooling control method of internal combustion engine
CN103904382B (en) Hybrid vehicle vehicle mounted dynamic battery cooling control method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant