CN108346841A - A kind of temperature of powered cell control system and method - Google Patents
A kind of temperature of powered cell control system and method Download PDFInfo
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- CN108346841A CN108346841A CN201810150170.6A CN201810150170A CN108346841A CN 108346841 A CN108346841 A CN 108346841A CN 201810150170 A CN201810150170 A CN 201810150170A CN 108346841 A CN108346841 A CN 108346841A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods 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
- B60L58/26—Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods 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
- B60L58/27—Methods 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 heating
-
- 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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
- H01M10/6554—Rods or plates
-
- 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
-
- 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
-
- 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
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses a kind of temperature of powered cell control system and methods, wherein including control temperature unit, the first pipeline, the second pipeline, Climate Control Module and radiator；Wherein, the control temperature unit is sequentially connected to water pump and is formed by liquid-gas separator, heater, coldplate；The coldplate is close to power battery；The both ends of first pipeline are connected to the both ends of the control temperature unit respectively, form heat cycles circuit；The both ends of second pipeline are connected to the both ends of the control temperature unit respectively, form the first cooling circuit；The Climate Control Module includes at least a liquid-liquid heat exchanger, and the liquid-liquid heat exchanger is serially connected on second pipeline；The both ends of the radiator are connected to the both ends of the control temperature unit respectively, form the second cooling circuit.The present invention can control the temperature of power battery in smaller range, be conducive to the working efficiency for improving power battery.
Description
Technical field
The present invention relates to automobile technical field, especially a kind of temperature of powered cell control system and method.
Background technology
Increasingly serious with energy and environmental problem, energy conservation and environmental protection concept is rooted in the hearts of the people, and electric vehicle has energy saving, ring
The remarkable advantages such as guarantor, obtain worldwide highest attention.Power battery as power source, be electric vehicle core component it
One, due to the inherent characteristic of power battery, power battery charging and discharging capabilities are greatly influenced by temperature, to directly affect vehicle
Can, while can also influence the power battery service life.The heat management of existing electrokinetic cell system can be divided into natural cooling, air-cooled and liquid
It is cold.Compared to natural cooling and air-cooled, liquid cooling advantage is notable, and the cooling of battery or heating efficiency higher can effectively control battery temperature
Degree is in suitable range, it is ensured that the difference variation of battery core is small, extends battery life.
Existing liquid cooling battery system, battery heating are the dresses using the outer cooling circuit of a battery case electric-heating water in parallel
It sets, the device power supply of the electric-heating water can be provided by Vehicular charger and high-tension battery itself.Battery cooling is dissipated using front deck
Hot device carries out the cooling water of heat exchange.The battery temperature that temperature control is acquired according only to battery management system (BMS) is cold to formulate
Tactful, when battery temperature is higher than threshold value t1, then rapid cooling is opened, when battery temperature is less than threshold value t1, but is higher than threshold value t2, then opens
Slow cooling is opened, when battery temperature is less than threshold value t2, then cooling is closed, opens heating, this scheme circuit is complicated, temperature control needs
Energy consumption is big, and efficiency is low.
How to arrange simple liquid cooling electrokinetic cell system, improve thermal management policy, battery temperature is efficiently controlled
In relatively narrow range, and it is those skilled in the art's technical problem urgently to be resolved hurrily to improve battery efficiency.
Invention content
The object of the present invention is to provide a kind of temperature of powered cell control system and method, with solve it is in the prior art not
Foot, it can order greatly temperature of powered cell control in relatively narrow range, greatly improve the thermal efficiency.
The present invention provides a kind of temperature of powered cell control systems, wherein including：
Control temperature unit is sequentially connected to water pump and is constituted by liquid-gas separator, heater, coldplate；The coldplate is close to
Power battery；
Heat cycles circuit is collectively formed in pipeline in first pipeline, with the control temperature unit and control temperature unit；
The first cooling circuit is collectively formed in pipeline in second pipeline, with the control temperature unit and control temperature unit；
Climate Control Module, includes at least a liquid-liquid heat exchanger, and the liquid-liquid heat exchanger is serially connected on second pipeline；And
The second cooling circuit is collectively formed in pipeline in radiator, with the control temperature unit and control temperature unit.
Temperature of powered cell control system as described above, wherein preferably, first pipeline, second pipe
Road and the radiator are connected to by solenoid valve with the water pump.
Temperature of powered cell control system as described above, wherein preferably, first pipeline, second pipe
Road and the radiator, pass through the outlet of same four-way valve and the water pump；
The four-way valve is equipped with water inlet, the first water outlet, the second water outlet and third water outlet；The water inlet with
The outlet of the water pump；First water outlet and first pipeline connection, second water outlet and described second
Pipeline connection, the third water outlet are connected to the radiator.
Temperature of powered cell control system as described above, wherein preferably, further include supply kettle, be arranged in institute
It states in the second cooling circuit.
Temperature of powered cell control system as described above, wherein preferably, the Climate Control Module further includes compression
Machine, condenser, drier, the first solenoid valve and the first expansion valve；
The compressor, the condenser, the drier, first solenoid valve, first expansion valve and described
Sequentially connection forms air conditioner refrigerating circuit to liquid-liquid heat exchanger from beginning to end.
Temperature of powered cell control system as described above, wherein preferably, the power battery includes multiple close
The battery cell and integrated shell of arrangement；
The battery cell is arranged at the coldplate in the integrated shell.
The invention also provides a kind of temperature of powered cell control methods, wherein includes the following steps：
S1 acquires the temperature value and ambient temperature value of setting position on power battery；Calculate collected power battery
On temperature value in maximum temperature values and minimum temperature value；
S2, judges whether ambient temperature value is less than default ambient temperature value；If so, entering step S3；If not, into
Step S4；
S3, judges whether the minimum temperature value is less than the first default battery temperature value；If so, control heat cycles are returned
Road works；
S4, judges whether the maximum temperature values are less than the second default battery temperature value；If not, the first cooling of control follows
Loop back path or the work of the second cooling circuit.
Method as described above, wherein preferably, following steps are specifically included in the S3：
S301, judges whether the minimum temperature value is less than the first default battery temperature value and is preset more than or equal to third
Battery temperature value, if so, control heater is with 50% work of maximum power；
S302, judges whether the minimum temperature value is less than third and presets battery temperature value and preset more than or equal to the 4th
Battery temperature value, if so, control heater is with 60% work of maximum power；
S303, judge the minimum temperature value whether be less than the 4th default battery temperature value, if so, control heater with
Maximum power works, and control water pump is with 60% operating of maximum speed；If not, entering step S304；
S304, control heater are stopped, and control water pump is stopped.
Method as described above, wherein preferably, following steps are specifically included in the S4：
S401, judges whether the maximum temperature values are less than the described second default battery temperature value, if so, entering step
S1；
S402, judges whether the maximum temperature values are less than the 5th default battery temperature value, if so, the second cooling of control
Circulation loop works, and controls water pump with the first rotary speed working, controls the fan work on radiator；
S403, judges whether the maximum temperature values are less than the 6th default battery temperature value, if so, the second cooling of control
Circulation loop works, and controls water pump with the second rotary speed working；If not, entering step S404；
S404, control the first cooling circuit work, control Climate Control Module work, control water pump is with the second rotating speed work
Make.
Method as described above, wherein preferably, further comprising the steps of：
S5, judges whether maximum temperature values are less than pre-programmed emergency temperature value；If so, entering step S1；If not, into
Step S6；
S6 is controlled the second cooling circuit and Climate Control Module work, and controls water pump and worked with maximum speed.
Compared with prior art, the present invention passes through heating provided with heat cycles circuit when temperature of powered cell is too low
Heater on circulation loop heats the liquid in heat cycles circuit, is controlled in heat cycles circuit by water pump
Liquid circulation flows, when the liquid after being heated passes through the coldplate for being close to power battery, it will be able to be carried out to power battery
Heating.When temperature of powered cell is excessively high, carry out forcing cooling or by the second cooling cycle by the first cooling cycle pipeline
It is commonly radiated in circuit.So, it is possible according to it is different need by different circulation loops to the temperature of power battery into
Row accurately controls, and is conducive to control the temperature of power battery in relatively narrow range, can greatly improve putting for power battery
Electrical efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of temperature of powered cell control system proposed by the present invention；
Fig. 2 is the step flow chart of method proposed by the present invention；
Fig. 3 is the specific steps flow chart of step S3 proposed by the present invention；
Fig. 4 is the specific steps flow chart of step S4 proposed by the present invention；
Fig. 5 is the step flow chart of embodiment 3 proposed by the present invention.
Specific implementation mode
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and cannot be construed to
Limitation of the present invention.
Embodiment 1
The embodiment of the present invention：As shown in Figure 1, Fig. 1 is the structure of temperature of powered cell control system proposed by the present invention
Schematic diagram；The present embodiment specifically discloses a kind of temperature of powered cell control system, wherein including：Control temperature unit, the first pipe
Road, the second pipeline, Climate Control Module and radiator；
The control temperature unit is sequentially connected to water pump and is constituted by liquid-gas separator, heater, coldplate；The coldplate is tight
Paste power battery；
The both ends of first pipeline are connected to the both ends of the control temperature unit respectively, form heat cycles circuit；
The both ends of second pipeline are connected to the both ends of the control temperature unit respectively, form the first cooling circuit；
The Climate Control Module includes at least a liquid-liquid heat exchanger, and the liquid-liquid heat exchanger is serially connected on second pipeline；
The both ends of the radiator are connected to the both ends of the control temperature unit respectively, form the second cooling circuit.
When it is implemented, when the temperature of power battery is relatively low, heat cycles loop works are controlled, the first cooling cycle is returned
Road, the second cooling circuit do not work, i.e., heat cycles circuit cycle circulates, and the first cooling circuit and the second cooling follow
Loop back path does not circulate；At this point, control heater and pump working, the liquid in heat cycles circuit is heated, when being added
When liquid after heat passes through the coldplate for being close to power battery, power battery is heated, to make power battery reach suitable
Suitable temperature, to ensure the efficiency for charge-discharge of power battery.When the temperature of power battery is higher, the second cooling cycle of control is returned
Road works, and heat cycles circuit and the first cooling circuit do not work, that is, the second cooling circuit circulation, heating
Circulation loop and the first cooling circuit do not circulate, while controlling the fan work on radiator, and heater does not work, water pump
Work.At this point, flowing through the liquid of coldplate can cool down to power battery；When liquid passes through radiator, liquid with it is outer
Heat exchange occurs for the air in portion, and the temperature of liquid reduces, when liquid re-flows on coldplate, and can be by power battery
Temperature reduce, so move in circles, can power battery commonly radiated.When dynamic battery when the temperature is excessively high, control the
One cooling circuit works, and heat cycles circuit and the second cooling circuit do not work, that is, the first cooling circuit stream
Logical, the second cooling circuit and heat cycles circuit are not circulated, while controlling Climate Control Module work, control pump working, are led to
Liquid in the first cooling circuit of liquid-liquid heat exchanger pair crossed in Climate Control Module carries out pressure cooling, and heat transference efficiency is high,
And the good refrigeration effect of Climate Control Module can be quickly to dynamic when the liquid in the first cooling circuit enters on coldplate
Power battery cools down.In this way, can cool down for different high temperature using different cooling circuits, can either ensure to move
Power temperature will not be too high, and can ensure not will produce the waste of energy during cooling.Always make the temperature of power battery
Degree is maintained within the scope of certain temperature, can greatly improve the efficiency of power battery.
First pipeline, second pipeline and the radiator as a preferred method, by solenoid valve with
The water pump connection.Further, first pipeline, second pipeline and the radiator, by a four-way valve with
The outlet of the water pump；The four-way valve is equipped with water inlet, the first water outlet, the second water outlet and third water outlet；
The outlet of the water inlet and the water pump；First water outlet and first pipeline connection, second water outlet
Mouth and second pipeline connection, the third water outlet are connected to the radiator.In this way, can be same by a four-way valve
When control heat cycles circuit, the first cooling circuit and the second cooling circuit working condition, that is, according to condition
It is different one of circulation loop controlled by four-way valve work, in addition neither work.So that for different circulation loops it
Between switching just control.Specifically, further include supply kettle, the supply kettle with connect the radiator and the four-way valve
Pipeline connection.The liquid that so, it is possible in guarantee system is sufficient, ensures the control effect of temperature of powered cell.Specific implementation
When, the liquid in system can be water, can also be water and the mixed liquor of other substances.
When it is implemented, the heater, can also be arranged on first pipeline, so so that the first cooling follows
When loop back path works with the second cooling circuit, the liquid in system needs not move through heater.
As a preferred method, the Climate Control Module further include compressor, condenser, drier, the first solenoid valve and
First expansion valve；The compressor, the condenser, the drier, first solenoid valve, first expansion valve and institute
Stating liquid-liquid heat exchanger, sequentially connection forms air conditioner refrigerating circuit from beginning to end.In this way, by Climate Control Module, air-conditioning mould can be directly utilized
The refrigeration effect of block cools down to power battery, is conducive to improve cooling rate, it is suitable to ensure that power battery is rapidly achieved
Operating temperature.
The power battery includes multiple compact arranged battery cells and integrated shell as a preferred method,；
The battery cell is arranged at the coldplate in the integrated shell.It so, it is possible to ensure coldplate and battery list
Heat transference efficiency between body.
Embodiment 2
Fig. 2 to Fig. 4 is please referred to, Fig. 2 is the step flow chart of method proposed by the present invention；Fig. 3 is step proposed by the present invention
The specific steps flow chart of rapid S3；Fig. 4 is the specific steps flow chart of step S4 proposed by the present invention；The invention also provides one
The method for the temperature of powered cell control system that kind is proposed for the specific embodiment of the invention, wherein include the following steps：
S1 acquires the temperature value and ambient temperature value of many places on power battery；It calculates on collected power battery
Maximum temperature values in temperature value and minimum temperature value；Specifically, by everywhere on dynamic battery and the external of vehicle is arranged
Temperature sensor acquires the temperature and ambient temperature value of power battery everywhere by above-mentioned temperature sensor, by by power
It compares between the temperature value of battery everywhere and obtains maximum temperature values and minimum temperature value；S2 judges that the ambient temperature value is
It is no to be less than default ambient temperature value；If so, entering step S3；If not, entering step S4；Specifically, the default environment
Temperature value is between 7 DEG C to 30 DEG C, preferably 15 DEG C.S3, judges whether the minimum temperature value is less than the first default battery temperature
Angle value；If so, controlling the heat cycles loop works；Specifically, the described first default battery temperature value is between 6 DEG C to 8
Between DEG C, preferably 7 DEG C.More specifically, specifically including following steps in the S3：Whether S301 judges the minimum temperature value
Less than the first default battery temperature value and more than or equal to third preset battery temperature value, if so, control the heater with
50% work of maximum power；Specifically, the third presets preferably 3 DEG C of battery temperature value.I.e. when the minimum temperature value is situated between
When 3 DEG C and 7 DEG C, the heater is controlled with 50% work of maximum power, signified maximum power refers both to most in of the invention
High nominal powers.S302, judges whether the minimum temperature value is less than third and presets battery temperature value and be greater than or equal to the 4th
Default battery temperature value, if so, controlling the heater with 60% work of maximum power；Specifically, the described 4th is default
Preferably 0 DEG C of battery temperature value controls the heater with maximum work that is, when the minimum temperature value is between 0 DEG C and 3 DEG C
60% work of rate, meanwhile, control pump working.S303, judges whether the minimum temperature value is less than the 4th default battery temperature
Angle value is worked if so, controlling the heater with maximum power, controls the water pump with 60% operating of maximum speed；Such as
Fruit is no, enters step S304；At this point, illustrating that power battery is at more suitable temperature.S304 controls the heater and stops
It only works, controls the water pump and be stopped.S4, judges whether the maximum temperature values are less than the second default battery temperature value；
If not, controlling first cooling circuit or second cooling circuit work.Further, the step S4
In specifically comprise the following steps, S401, judge the maximum temperature values whether be less than the described second default battery temperature value, if
It is to enter step S1；S402, judges whether the maximum temperature values are less than the 5th default battery temperature value, if so, control institute
The work of the second cooling circuit is stated, and controls the water pump with the first rotary speed working, controls the fan work on the radiator
Make；Specifically, preferably 30 DEG C of second preset temperature value, preferably 35 DEG C of the 5th default battery temperature value, that is, when described
When maximum temperature values are between 30 DEG C and 35 DEG C, control the second cooling circuit circulation, and the water pump is controlled with first
Rotary speed working, the preferred 1500rpm of the first rotating speed, while controlling the fan work on the radiator.S403, described in judgement
Whether maximum temperature values are less than the 6th default battery temperature value, if so, control the second cooling circuit work, and control
The water pump is made with the second rotary speed working；If not, entering step S404；Specifically, the 6th default battery temperature value
It is preferred that 40 DEG C, that is, when the maximum temperature values are between 35 DEG C and 40 DEG C, control the second cooling circuit circulation, and
The water pump is controlled with the second rotary speed working, the preferred 3000rpm of the second rotating speed.S404 controls first cooling cycle
Loop works control the Climate Control Module work, control the water pump with the second rotary speed working；
Embodiment 3
Fig. 5 is please referred to, Fig. 5 is the step flow chart of embodiment 3 proposed by the present invention.Wherein, include the following steps：S1,
Acquire the temperature value and ambient temperature value of many places on power battery；It calculates in the temperature value on collected power battery most
Big temperature value and minimum temperature value；S2, judges whether ambient temperature value is less than default ambient temperature value；If so, entering step
S3；If not, entering step S4；S3, judges whether the minimum temperature value is less than the first default battery temperature value；If so,
Control the heat cycles loop works；S4, judges whether the maximum temperature values are less than the second default battery temperature value；If
It is no, control first cooling circuit or second cooling circuit work.In the present embodiment, the first default battery
Temperature value, the second default battery temperature value can be identical with the choosing value in embodiment 2.
In the present embodiment, further comprising the steps of：S5, judges whether maximum temperature values are less than pre-programmed emergency temperature value；
If so, entering step S1；If not, entering step S6；Specifically, preferably 60 DEG C of the pre-programmed emergency temperature value.S6, control
Second cooling circuit and Climate Control Module work, specifically control compressor operating, and control water pump and turned with highest
Speed work.So, it is possible to ensure due to the temperature of power battery caused by unusual condition it is quickly raised in the case of, quickly to dynamic
Power battery cools down.
The structure, feature and effect of the present invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range, every structure according to the present invention shown in drawing
Change made by thinking, or is revised as the equivalent embodiment of equivalent variations, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (10)
1. a kind of temperature of powered cell control system, which is characterized in that including：
Control temperature unit is sequentially connected to water pump and is constituted by liquid-gas separator, heater, coldplate；The coldplate is close to power
Battery；
Heat cycles circuit is collectively formed in pipeline in first pipeline, with the control temperature unit and control temperature unit；
The first cooling circuit is collectively formed in pipeline in second pipeline, with the control temperature unit and control temperature unit；
Climate Control Module, includes at least a liquid-liquid heat exchanger, and the liquid-liquid heat exchanger is serially connected on second pipeline；And
The second cooling circuit is collectively formed in pipeline in radiator, with the control temperature unit and control temperature unit.
2. temperature of powered cell control system according to claim 1, which is characterized in that first pipeline, described
Two pipelines and the radiator are connected to by solenoid valve with the water pump.
3. temperature of powered cell control system according to claim 2, which is characterized in that first pipeline, described
Two pipelines and the radiator, pass through the outlet of same four-way valve and the water pump；
The four-way valve is equipped with water inlet, the first water outlet, the second water outlet and third water outlet；The water inlet with it is described
The outlet of water pump；First water outlet and first pipeline connection, second water outlet and second pipeline
Connection, the third water outlet are connected to the radiator.
4. temperature of powered cell control system according to claim 3, which is characterized in that further include supply kettle, setting
In second cooling circuit.
5. temperature of powered cell control system according to claim 1, which is characterized in that the Climate Control Module further includes pressure
Contracting machine, condenser, drier, the first solenoid valve and the first expansion valve；
The compressor, the condenser, the drier, first solenoid valve, first expansion valve and the liquid liquid
Sequentially connection forms air conditioner refrigerating circuit to heat exchanger from beginning to end.
6. temperature of powered cell control system according to claim 1, which is characterized in that the power battery includes multiple
Compact arranged battery cell and integrated shell；
The battery cell is arranged at the coldplate in the integrated shell.
7. a kind of temperature of powered cell control method, which is characterized in that include the following steps：
S1 acquires the temperature value and ambient temperature value of setting position on power battery；It calculates on collected power battery
Maximum temperature values in temperature value and minimum temperature value；
S2, judges whether ambient temperature value is less than default ambient temperature value；If so, entering step S3；If not, entering step
S4；
S3, judges whether the minimum temperature value is less than the first default battery temperature value；If so, control heat cycles circuit work
Make；
S4, judges whether the maximum temperature values are less than the second default battery temperature value；If not, the first cooling cycle of control is returned
Road or the work of the second cooling circuit.
8. the method according to the description of claim 7 is characterized in that specifically including following steps in the S3：
S301, judges whether the minimum temperature value is less than the first default battery temperature value and presets battery more than or equal to third
Temperature value, if so, control heater is with 50% work of maximum power；
S302, judges whether the minimum temperature value is less than third and presets battery temperature value and be greater than or equal to the 4th default battery
Temperature value, if so, control heater is with 60% work of maximum power；
S303, judges whether the minimum temperature value is less than the 4th default battery temperature value, if so, control heater is with maximum
Power works, and control water pump is with 60% operating of maximum speed；If not, entering step S304；
S304, control heater are stopped, and control water pump is stopped.
9. the method according to the description of claim 7 is characterized in that specifically including following steps in the S4：
S401, judges whether the maximum temperature values are less than the described second default battery temperature value, if so, entering step S1；
S402, judges whether the maximum temperature values are less than the 5th default battery temperature value, if so, the second cooling cycle of control
Loop works, and water pump is controlled with the first rotary speed working, control the fan work on radiator；
S403, judges whether the maximum temperature values are less than the 6th default battery temperature value, if so, the second cooling cycle of control
Loop works, and water pump is controlled with the second rotary speed working；If not, entering step S404；
S404, control the first cooling circuit work, control Climate Control Module work, control water pump is with the second rotary speed working.
10. according to the method described in claim 9, it is characterized in that, further comprising the steps of：
S5, judges whether maximum temperature values are less than pre-programmed emergency temperature value；If so, entering step S1；If not, entering step
S6；
S6 is controlled the second cooling circuit and Climate Control Module work, and controls water pump and worked with maximum speed.
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