CN105501072A - Heat management system and method for electric vehicle, as well as electric vehicle - Google Patents
Heat management system and method for electric vehicle, as well as electric vehicle Download PDFInfo
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- CN105501072A CN105501072A CN201511029518.9A CN201511029518A CN105501072A CN 105501072 A CN105501072 A CN 105501072A CN 201511029518 A CN201511029518 A CN 201511029518A CN 105501072 A CN105501072 A CN 105501072A
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- battery modules
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- vehicle interior
- temperature
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid 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
- B60L58/26—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
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/34—Cabin temperature
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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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
- 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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a heat management system and a heat management method for an electric vehicle, as well as the electric vehicle. The heat management system comprises a vehicle controller and a heat transfer subsystem, wherein the heat transfer subsystem comprises a passenger cooling loop, a heat processing loop connected with a battery module and a heat exchanger arranged between the passenger cooling loop and the heat processing loop; the vehicle controller is used for acquiring temperature of the battery module, and controlling a working mode of the heat transfer subsystem on the basis of an in-vehicle temperature control instruction and the temperature of the battery module.
Description
Technical field
The present invention relates to power battery technology field, particularly a kind of heat management system of electronlmobil, method and electronlmobil.
Background technology
Energy shortage, oil crises and environmental pollution grow in intensity, and bring tremendous influence to the life of people, are directly connected to the sustainable development of national economy and society.Countries in the world are all at active development new energy technology.Electronlmobil, as a kind of new-energy automobile reducing consumption of petroleum, low stain, low noise, is considered to the important channel solving energy shock and ecological deterioration.Hybrid vehicle takes into account the advantage of pure electric automobile and traditional combustion engine automobile simultaneously, under the prerequisite meeting vehicle dynamic quality requirement and continual mileage requirement, effectively improve fuel economy, reduce discharge, being considered to one of current energy-conservation active path with reducing discharging.
In current electronlmobil, battery management system performs battery thermal management for battery modules, and entire car controller performs car load heat management for vehicle interior temperature.Battery thermal management and car load heat management have separately independently refrigeration respectively and heat source.In the prior art, same automobile exists two cover refrigeration heatings, be unfavorable for that coordination utilizes vehicle energy, thus cause energy utilization efficiency not high.
Summary of the invention
In view of this, the object of this invention is to provide a kind of heat management system of electronlmobil, method and electronlmobil, to improve energy utilization efficiency.
Embodiment of the present invention proposes a kind of heat management system of electronlmobil, comprises entire car controller and heat trnasfer subsystem, and described heat trnasfer subsystem comprises: occupant's refrigeration loop; The heat treatment loop be connected with battery modules; Be arranged in the H Exch between described occupant's refrigeration loop and heat treatment loop;
Described entire car controller, for gathering battery modules temperature, and controls the mode of operation of described heat trnasfer subsystem based on vehicle interior temperature control command and described battery modules temperature.
Preferably, described occupant's refrigeration loop comprises:
Evaporator assemblies; First electromagnetic valve; Compressor; Condenser assembly; Second electromagnetic valve;
Wherein said second water valve is connected with H Exch, and described second water valve also connects condenser assembly and the first electromagnetic valve, and the first electromagnetic valve connects evaporator assemblies; This evaporator assemblies is connected with H Exch.
Preferably, described heat treatment loop comprises: refrigerant fluid major loop and be connected respectively to multiple branch lines of described refrigerant fluid major loop; Each branch line comprises the hydroecium of battery modules.
Preferably, described refrigerant fluid major loop comprises: the 3rd electromagnetic valve; 4th electromagnetic valve; 5th electromagnetic valve; Pump; Positive temperature coefficient heater; Heater assembly; Heat sink assembly; Expansion drum; Wherein the 3rd electromagnetic valve is connected with the entrance of H Exch and each hydroecium; Outlet and the heater assembly of the 4th electromagnetic valve and each hydroecium are connected; Described positive temperature coefficient heater is connected with pump and H Exch; Described heater assembly is connected with H Exch; Described heat sink assembly is connected with H Exch and the 5th electromagnetic valve; Described expansion drum is connected with heat sink assembly and H Exch.
Preferably, described entire car controller, also for gathering vehicle interior temperature, and generates described vehicle interior temperature control command based on the comparative result of described vehicle interior temperature and predetermined vehicle interior temperature threshold value; Or
Described entire car controller, for generating vehicle interior temperature control command based on heater switch triggering command or the instruction of refrigeration switch triggering.
Preferably, described mode of operation comprise following at least one:
Occupant's heating mode; Occupant's refrigeration mode; Battery modules heating mode; Battery modules refrigeration mode; Occupant and battery modules all heating modes; Occupant and battery modules all refrigeration mode; Occupant's heating battery module refrigeration mode; Occupant's refrigeration battery modules heating mode.
Embodiment of the present invention also proposes a kind of thermal management algorithm of electronlmobil, and the method is applied to entire car controller; Described electronlmobil also comprises heat trnasfer subsystem, and described heat trnasfer subsystem comprises: refrigeration loop; The heat treatment loop be connected with battery modules; Be arranged in the H Exch between described refrigeration loop and heat treatment loop; The method comprises:
Gather battery modules temperature;
The mode of operation of described heat trnasfer subsystem is controlled based on vehicle interior temperature control command and described battery modules temperature.
Preferably, described vehicle interior temperature control command generates based on the vehicle interior temperature of collection and the comparative result of predetermined vehicle interior temperature threshold value; Or
Described vehicle interior temperature control command generated based on heater switch triggering command or the instruction of refrigeration switch triggering.
Preferably, the method comprise following at least one:
When described battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate heating time, control described heat trnasfer subsystem and enter occupant and battery modules all heating modes;
When described battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate refrigeration time, control described heat trnasfer subsystem and enter occupant and battery modules all refrigeration mode;
When described battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate blank operation time, control described heat trnasfer subsystem and enter battery modules heating mode;
When described battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate blank operation time, control described heat trnasfer subsystem and enter battery modules refrigeration mode;
When described battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate refrigeration time, control described heat trnasfer subsystem and enter occupant's refrigeration battery modules heating mode;
When described battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate heating time, control described heat trnasfer subsystem and enter occupant's heating battery module refrigeration mode;
When described battery modules temperature had both been not less than the battery modules low temperature threshold temperature that presets also not higher than the battery modules high temperature threshold temperature preset, and vehicle interior temperature control command is when being used to indicate heating, controls described heat trnasfer subsystem and enter occupant's heating mode;
When described battery modules temperature had both been not less than the battery modules low temperature threshold temperature that presets also not higher than the battery modules high temperature threshold temperature preset, and vehicle interior temperature control command is when being used to indicate refrigeration, controls described heat trnasfer subsystem and enter occupant's refrigeration mode.
Embodiment of the present invention also proposes a kind of electronlmobil, and this electronlmobil comprises the heat management system as above described in any one.
As can be seen from technique scheme, entire car controller gathers battery modules temperature, and controls the mode of operation of heat trnasfer subsystem based on vehicle interior temperature control command and battery modules temperature.Visible, the present invention integrates the heat treatment loop of battery modules and occupant's refrigeration loop of automobile itself, and unified coordination utilizes vehicle energy, adopts a set of refrigeration and heating source namely to occupant and battery modules cooling/heating, thus can improve energy utilization efficiency.
And adopt two cover refrigeration heatings in prior art of comparing, the present invention also significantly lower in cost.
Accompanying drawing explanation
The following drawings only schematically illustrates the present invention and explains, not delimit the scope of the invention.
Fig. 1 is the constructional drawing of the heat management system of electronlmobil of the present invention;
Fig. 2 is the demonstrative structure figure of embodiment of the present invention heat trnasfer subsystem;
Fig. 3 is the thermal management algorithm diagram of circuit of the electronlmobil of embodiment of the present invention.
Detailed description of the invention
In order to the technical characteristic to invention, object and effect have understanding clearly, now contrast accompanying drawing and the specific embodiment of the present invention is described, label identical in the various figures represents identical part.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, embodiment is interpreted as a kind of preferred or have more the technical scheme of advantage.
For making simplified form, in each figure, only schematically show part related to the present invention, and do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of same structure or function in some figure, only schematically depict one of them, or only marked one of them.
Because the defect existing for above-mentioned prior art, embodiment of the present invention provides a kind of heat management system of electronlmobil.In embodiments of the present invention, the heat treatment loop of battery modules is integrated by H Exch mutually with the refrigeration loop of automobile itself, realize the heat transmission method of effectively optimizing.
Fig. 1 is the constructional drawing of the heat management system of electronlmobil of the present invention.
As shown in Figure 1, this heat management system comprises entire car controller 1 and heat trnasfer subsystem 2.Heat trnasfer subsystem 2 comprises: occupant's refrigeration loop 3; The heat treatment loop 4 be connected with battery modules 6; Be arranged in the H Exch 5 between occupant's refrigeration loop 3 and heat treatment loop 4; Wherein:
Entire car controller 1, for gathering the temperature of battery modules 6, and controls the mode of operation of heat trnasfer subsystem 2 based on the temperature of vehicle interior temperature control command and battery modules 6.
In one embodiment, entire car controller 1, also for gathering vehicle interior temperature, and generates vehicle interior temperature control command based on the comparative result of the vehicle interior temperature gathered and predetermined vehicle interior temperature threshold value.
Preferably, suppose that vehicle interior temperature threshold value comprises high temperature threshold value (such as 30 degrees Celsius) in low temperature threshold value in car (such as 5 degrees Celsius) and car.
The vehicle interior temperature gathered when entire car controller 1 is lower than in car during low temperature threshold value, and entire car controller 1 generates heating instructions in car; The vehicle interior temperature gathered when entire car controller 1 is higher than in car during high temperature threshold value, and entire car controller 1 generates refrigeration instruction in car; When the vehicle interior temperature that entire car controller 1 gathers is positioned within the interval of car low temperature threshold value and car high temperature threshold value, the vehicle interior temperature control command that entire car controller 1 generates is used to indicate blank operation, namely neither heats, also not refrigeration.
In one embodiment, entire car controller 1, for generating vehicle interior temperature control command based on heater switch triggering command or the instruction of refrigeration switch triggering.Now, entire car controller 1 is connected respectively with heater switch and refrigeration switch.When heater switch is triggered by user, entire car controller 1 generates and is used to indicate heating instructions in the interior car heated of car; When refrigeration switch is triggered by user, entire car controller 1 generate be used to indicate refrigeration in car car in refrigeration instruction.When heater switch and refrigeration switch are not triggered, the vehicle interior temperature control command that entire car controller 1 generates is used to indicate blank operation, namely neither heats, also not refrigeration.
In one embodiment, the mode of operation of heat trnasfer subsystem 2 comprise following at least one:
Occupant's heating mode; Occupant's refrigeration mode; Battery modules heating mode; Battery modules refrigeration mode; Occupant and battery modules all heating modes; Occupant and battery modules all refrigeration mode; Occupant's heating battery module refrigeration mode; Occupant's refrigeration battery modules heating mode, etc.
The mode of operation of heat trnasfer subsystem 2 is described as follows:
(1): when battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate heating time, entire car controller 1 controls heat trnasfer subsystem 2 and enters occupant and battery modules all heating modes.In occupant and battery modules all heating mode, the environment inside car at occupant place and battery modules are all heated.
(2): when battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate refrigeration time, entire car controller 1 controls heat trnasfer subsystem 2 and enters occupant and battery modules all refrigeration mode.In occupant and battery modules all refrigeration mode, the environment inside car at occupant place and battery modules are all by refrigeration.
(3): when battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate blank operation time, entire car controller 1 controls heat trnasfer subsystem 2 and enters battery modules heating mode.In battery modules heating mode, battery modules is heated.
(4): when battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate blank operation time, entire car controller 1 controls heat trnasfer subsystem 2 and enters battery modules refrigeration mode.In battery modules refrigeration mode, battery modules is by refrigeration.
(5): when battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate refrigeration time, entire car controller 1 controls heat trnasfer subsystem 2 and enters occupant's refrigeration battery modules heating mode.In occupant's refrigeration battery modules heating mode, the environment inside car at occupant place is by refrigeration, and battery modules is heated.
(6): when battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate heating time, entire car controller 1 controls heat trnasfer subsystem 2 and enters occupant's heating battery module refrigeration mode.In occupant's heating battery module refrigeration mode, the environment inside car at occupant place is heated, and battery modules is by refrigeration.
(7): when battery modules temperature had both been not less than the battery modules low temperature threshold temperature that presets also not higher than the battery modules high temperature threshold temperature preset, and vehicle interior temperature control command is when being used to indicate heating, entire car controller 1 controls heat trnasfer subsystem 2 and enters occupant's heating mode.In occupant's heating mode, occupant environment is heated.
(8): when battery modules temperature had both been not less than the battery modules low temperature threshold temperature that presets also not higher than the battery modules high temperature threshold temperature preset, and vehicle interior temperature control command is when being used to indicate refrigeration, entire car controller 1 controls heat trnasfer subsystem 2 and enters occupant's refrigeration mode.In occupant's refrigeration mode, occupant environment is by refrigeration.
Based on structure shown in Fig. 1, Fig. 2 is the demonstrative structure figure of the Heat transfer systems 2 of the battery modules of embodiment of the present invention.
As seen from Figure 2, this system comprises:
Occupant's refrigeration loop 3;
Heat treatment loop 4;
H Exch 5, described H Exch 5 is arranged between occupant's refrigeration loop 3 and heat treatment loop 4; Wherein heat treatment loop 4 comprises: refrigerant fluid major loop 54 and be connected respectively to multiple branch lines 55 of refrigerant fluid major loop 54; Each branch line 55 comprises the respective hydroecium 21 of battery modules.
Wherein, occupant's air-conditioning refrigeration loop of having for automobile itself of occupant's refrigeration loop 3.By H Exch 5, occupant refrigeration loop 3 phase of the heat treatment loop 4 of battery modules with automobile itself is integrated.H Exch 5 is used for making heat be delivered to cold fluid from hot fluid, with the device of the technological requirement of satisfied regulation.
Can differently classify to H Exch 5 of the present invention.Exemplarily, dividing wall type, hybrid, heat accumulating type (or claiming back-heating type) three major types can be divided into by the operating process of H Exch 5; Close-coupled and non-close-coupled two class can be divided into by the surperficial compactness of H Exch 5.
Particularly, occupant's refrigeration loop 3 comprises: the evaporator assemblies 56 be connected with H Exch 5; The the first electromagnetic valve V1 be connected with evaporator assemblies 56; The condenser assembly 57 be connected with H Exch 5; The the second electromagnetic valve V2 be connected with H Exch 5, the second water valve V2 also connect condenser assembly 57 and the first electromagnetic valve V1.Evaporator assemblies 56 comprises evaporator and fan thereof; Condenser assembly 57 comprises condenser and fan thereof.
Heat treatment loop 4 comprises: the 3rd electromagnetic valve V3 be connected with the entrance 63 of each hydroecium 21 and the 5th electromagnetic valve V5; The pump 58 be connected with the outlet 64 of each hydroecium 21 and the 4th electromagnetic valve V4; Positive temperature coefficient (PTC) temperature booster 59 be connected with pump 58, this positive temperature coefficient heater 59 connects H Exch 5; The heater assembly 60 be connected with the 4th electromagnetic valve V4, this heater assembly 60 connects H Exch 5; The heat sink assembly 61 be connected with H Exch 5, this heat sink assembly 61 connects the 5th electromagnetic valve V5; The expansion drum 62 be connected with heat sink assembly 61, this expansion drum 62 connects H Exch 5, and wherein heater assembly 60 comprises temperature booster and fan thereof; Heat sink assembly 61 comprises radiator and fan thereof.
In the first operating mode, ptc heater 59 does not heat, and H Exch 5 does not play heat exchange action among occupant's refrigeration loop 3 and heat treatment loop 4, and now the 3rd electromagnetic valve V3 disconnects, and the 4th electromagnetic valve V4 disconnects, and the 5th electromagnetic valve V5 connects.Now, refrigerant fluid flows out from the outlet 64 of hydroecium 21, returns the entrance 63 of hydroecium 21 respectively via pump 58, ptc heater 59, H Exch 5 and heat sink assembly 61.In the first operating mode, heat sink assembly 61 is based on the heat sinking function of the cooling performance execution battery modules of air at room temperature.
In the second operating mode, ptc heater 59 does not heat, and H Exch 5 plays heat exchange action among occupant's refrigeration loop 3 and heat treatment loop 4, and first electromagnetic valve V1 disconnect, second electromagnetic valve V2 connects, the 3rd electromagnetic valve V3 connects, and the 3rd electromagnetic valve V4 disconnects, and the 5th electromagnetic valve V5 disconnects.Now, the cold air that compressor 65 produces flows through H Exch 5 through the second electromagnetic valve V2.Refrigerant fluid flows out from the outlet 64 of hydroecium 21, returns the entrance 63 of hydroecium 21 via ptc heater 59, H Exch 5 and the 3rd electromagnetic valve V3.In the second operating mode, performed the heat sinking function of battery modules by occupant's refrigeration loop 3.
First operating mode and the second operating mode all correspond to battery modules refrigeration mode.Difference is, in the first operating mode, heat sink assembly 61 is based on air at room temperature cool batteries module; In the second operating mode, occupant's refrigeration loop 3 performs the heat sinking function of battery modules.
In the 3rd operating mode, ptc heater 59 heats, and H Exch 5 does not play heat exchange action among occupant's refrigeration loop 3 and heat treatment loop 4, and now the 3rd electromagnetic valve V3 connects, and the 4th electromagnetic valve V4 disconnects, and the 5th electromagnetic valve V5 disconnects.Now, refrigerant fluid flows out from the outlet 64 of hydroecium 21, returns the entrance 63 of hydroecium 21 via pump 58, ptc heater 59, H Exch 5 and the 3rd electromagnetic valve V3.In the 3rd operating mode, ptc heater 59 performs the heating function of battery modules.3rd operating mode corresponds to battery modules heating mode.
In the 4th operating mode, H Exch 5 does not play heat exchange action among occupant's refrigeration loop 3 and heat treatment loop 4.First electromagnetic valve V1 disconnects, and the second electromagnetic valve V2 disconnects, and the cold air that compressor 65 produces, through condenser 57, is provided to occupant environment, thus realizes occupant environment refrigeration.4th operating mode corresponds to occupant's refrigeration mode.
In the 5th operating mode, ptc heater 59 heats, and H Exch 5 does not play heat exchange action among occupant's refrigeration loop 3 and heat treatment loop 4, and now the 3rd electromagnetic valve V3 connects, and the 4th electromagnetic valve V4 connects, and the 4th electromagnetic valve V5 disconnects.Now, refrigerant fluid flows out from the outlet 64 of hydroecium 21, and a road returns the entrance 63 of hydroecium 21 via pump 58, ptc heater 59, H Exch 5 and the 3rd electromagnetic valve V3; One tunnel returns the entrance 63 of hydroecium 21 via the 4th electromagnetic valve V4, heater assembly 60, H Exch 5 and the 3rd electromagnetic valve V3.In the 5th operating mode, ptc heater 59 performs the heating function of battery modules and occupant environment.5th operating mode corresponds to occupant and battery modules all heating modes.
In the 6th operating mode, ptc heater 59 does not heat, and H Exch 5 plays heat exchange action among occupant's refrigeration loop 3 and heat treatment loop 4, and first electromagnetic valve V1 disconnect, second electromagnetic valve V2 connects, the 3rd electromagnetic valve V3 connects, and the 4th electromagnetic valve V4 disconnects, and the 5th electromagnetic valve V5 disconnects.Now, the cold air that compressor 65 produces flows through H Exch 5 through the second electromagnetic valve V2.Refrigerant fluid flows out from the outlet 64 of hydroecium 21, returns the entrance 63 of hydroecium 21, thus realize the heat radiation of battery modules via ptc heater 59, H Exch 5 and the 3rd electromagnetic valve V3.And the cold air that compressor 65 produces, also through condenser assembly 57, is provided to occupant environment, thus realizes occupant environment refrigeration.6th operating mode corresponds to occupant and battery modules all refrigeration mode.
In the 7th operating mode, ptc heater 59 heats, and H Exch 5 does not play heat exchange action among occupant's refrigeration loop 3 and heat treatment loop 4, and now the 3rd electromagnetic valve V3 connects, and the 4th electromagnetic valve V4 connects.Now, refrigerant fluid returns the entrance 63 of hydroecium 21 via the 4th electromagnetic valve V4, heater assembly 60, H Exch 5 and the 3rd electromagnetic valve V3, thus realizes occupant environment heating.7th operating mode corresponds to occupant's heating mode.
In the 8th operating mode, H Exch 5 does not play heat exchange action among occupant's refrigeration loop 3 and heat treatment loop 4.First electromagnetic valve V1 disconnects, and the cold air that compressor 65 produces, through condenser assembly 57, is provided to occupant environment, thus realizes occupant environment refrigeration.And ptc heater 59 heats, the 3rd electromagnetic valve V3 connects, and the 4th electromagnetic valve V4 disconnects, and the 5th electromagnetic valve V5 disconnects.Now, refrigerant fluid flows out from the outlet 64 of hydroecium 21, returns the entrance 63 of hydroecium 21 via pump 58, ptc heater 59, H Exch 5 and the 3rd electromagnetic valve V3.In the 8th operating mode, ptc heater 59 performs the heating function of battery modules.8th operating mode corresponds to occupant's refrigeration battery modules heating mode.
In the 9th operating mode, ptc heater 59 heats, and now the 3rd electromagnetic valve V3 closes, and the 4th electromagnetic valve V4 closes.Now, refrigerant fluid returns the entrance 63 of hydroecium 21 via the 4th electromagnetic valve V4, heater assembly 60, H Exch 5 and the 3rd electromagnetic valve V3, thus realizes occupant environment heating.And the cold air that compressor 65 produces flows through H Exch 5 through the second electromagnetic valve V2.Refrigerant fluid flows out from the outlet 64 of hydroecium 21, returns the entrance 63 of hydroecium 21 via ptc heater 59, H Exch 5 and the 3rd electromagnetic valve V3.9th operating mode corresponds to occupant's heating battery module refrigeration mode, and wherein occupant's refrigeration loop 3 performs the heat sinking function of battery modules.
In the tenth operating mode, ptc heater 59 heats, and now the 3rd electromagnetic valve V3 connects, and the 4th electromagnetic valve V4 connects.Now, refrigerant fluid returns the entrance 63 of hydroecium 21 via heater assembly 60, H Exch 5 and the 3rd electromagnetic valve V3, thus realizes occupant environment heating.And refrigerant fluid flows out from the outlet 64 of hydroecium 21, return expansion drum 62 via pump 58, ptc heater 59, H Exch 5 and heat sink assembly 61 respectively.In the tenth operating mode, heat sink assembly 61 cools based on air at room temperature, to perform the heat sinking function of battery modules.Tenth operating mode also corresponds to occupant's heating battery module refrigeration mode, and wherein heat sink assembly 61 is based on air at room temperature cool batteries module.
The exemplary concrete operating mode describing Heat transfer systems 2 above.It will be appreciated by those of skill in the art that the difference based on applied environment, can also produce other operating mode, the present invention is to this and indefinite.
Above for the transmission subsystem concrete structure shown in Fig. 2, describe heat management system mode of operation of the present invention in detail.Those skilled in the art can also recognize, transmit the concrete structure of subsystem and various change can occur, and embodiment of the present invention is to this and indefinite.
Based on foregoing description, the invention allows for a kind of thermal management algorithm of electronlmobil.
Fig. 3 is the thermal management algorithm diagram of circuit of the electronlmobil of embodiment of the present invention.The method is applied to entire car controller; This electronlmobil also comprises heat trnasfer subsystem, and heat trnasfer subsystem comprises: refrigeration loop; The heat treatment loop be connected with battery modules; Be arranged in the H Exch between refrigeration loop and heat treatment loop.
Shown in Fig. 3, the method comprises:
Step 301: gather battery modules temperature;
Step 302: the mode of operation controlling heat trnasfer subsystem based on vehicle interior temperature control command and battery modules temperature.
In one embodiment, vehicle interior temperature control command generates based on the vehicle interior temperature of collection and the comparative result of predetermined vehicle interior temperature threshold value; Or vehicle interior temperature control command generated based on heater switch triggering command or the instruction of refrigeration switch triggering.
In one embodiment, the method comprise following at least one:
When battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate heating time, vehicle control unit controls heat trnasfer subsystem enters occupant and battery modules all heating modes;
When battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate refrigeration time, vehicle control unit controls heat trnasfer subsystem enters occupant and battery modules all refrigeration mode;
When battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate blank operation time, vehicle control unit controls heat trnasfer subsystem enters battery modules heating mode;
When battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate blank operation time, vehicle control unit controls heat trnasfer subsystem enters battery modules refrigeration mode;
When battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate refrigeration time, vehicle control unit controls heat trnasfer subsystem enters occupant's refrigeration battery modules heating mode;
When battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate heating time, vehicle control unit controls heat trnasfer subsystem enters occupant's heating battery module refrigeration mode;
When battery modules temperature had both been not less than the battery modules low temperature threshold temperature that presets also not higher than the battery modules high temperature threshold temperature preset, and vehicle interior temperature control command is when being used to indicate heating, vehicle control unit controls heat trnasfer subsystem enters occupant's heating mode;
When described battery modules temperature had both been not less than the battery modules low temperature threshold temperature that presets also not higher than the battery modules high temperature threshold temperature preset, and vehicle interior temperature control command is when being used to indicate refrigeration, vehicle control unit controls heat trnasfer subsystem enters occupant's refrigeration mode.
And, can also the heat management system that embodiment of the present invention proposes be applied in various types of electronlmobil, comprise pure electric automobile (BEV), hybrid vehicle (PHEV) or fuel cell powered vehicle (FCEV), etc.Certainly, the heat management system installation how realized in the car is not emphasis of the present invention, and those skilled in the art can implement heat management system installation in the car in any way, repeat no more herein.
In sum, entire car controller gathers battery modules temperature, and controls the mode of operation of heat trnasfer subsystem based on vehicle interior temperature control command and battery modules temperature.Visible, the heat treatment loop of battery modules and occupant's refrigeration loop of automobile itself are integrated by the present invention mutually, achieve unified coordination and utilize vehicle energy, adopt a set of refrigeration and heating source namely to occupant and battery modules cooling/heating, thus energy utilization efficiency can be improve.
And adopt two cover refrigeration heatings in prior art of comparing, the present invention also significantly lower in cost.Further, the present invention achieves efficient system thermal transmission with less system element, not only can reduce system complexity, can also realize flexible adjustment.
In this article, " one " does not represent that by the quantity limitation of relevant portion of the present invention be " only this ", and " one " does not represent the situation of the quantity " more than one " getting rid of relevant portion of the present invention.
In this article, " on ", D score, "front", "rear", "left", "right", " interior ", " outward " etc. only for representing the relative position relation between relevant portion, and the absolute location of these relevant portions non-limiting.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; and and be not used to limit the scope of the invention; allly do not depart from the skill of the present invention equivalent embodiments done of spirit or change; as the combination of feature, segmentation or repetition, all should be included within protection scope of the present invention.
Claims (10)
1. a heat management system for electronlmobil, is characterized in that, comprises entire car controller and heat trnasfer subsystem, and described heat trnasfer subsystem comprises: occupant's refrigeration loop; The heat treatment loop be connected with battery modules; Be arranged in the H Exch between described occupant's refrigeration loop and heat treatment loop;
Described entire car controller, for gathering battery modules temperature, and controls the mode of operation of described heat trnasfer subsystem based on vehicle interior temperature control command and described battery modules temperature.
2. heat management system according to claim 1, is characterized in that, described occupant's refrigeration loop comprises:
Evaporator assemblies; First electromagnetic valve; Compressor; Condenser assembly; Second electromagnetic valve;
Wherein said second water valve is connected with H Exch, and described second water valve also connects condenser assembly and the first electromagnetic valve, and the first electromagnetic valve connects evaporator assemblies; This evaporator assemblies is connected with H Exch.
3. heat management system according to claim 1, is characterized in that, described heat treatment loop comprises: refrigerant fluid major loop and be connected respectively to multiple branch lines of described refrigerant fluid major loop; Each branch line comprises the hydroecium of battery modules.
4. heat management system according to claim 3, is characterized in that, described refrigerant fluid major loop comprises: the 3rd electromagnetic valve; 4th electromagnetic valve; 5th electromagnetic valve; Pump; Positive temperature coefficient heater; Heater assembly; Heat sink assembly; Expansion drum; Wherein the 3rd electromagnetic valve is connected with the entrance of H Exch and each hydroecium; Outlet and the heater assembly of the 4th electromagnetic valve and each hydroecium are connected; Described positive temperature coefficient heater is connected with pump and H Exch; Described heater assembly is connected with H Exch; Described heat sink assembly is connected with H Exch and the 5th electromagnetic valve; Described expansion drum is connected with heat sink assembly and H Exch.
5. the heat management system of electronlmobil according to claim 1, is characterized in that,
Described entire car controller, also for gathering vehicle interior temperature, and generates described vehicle interior temperature control command based on the comparative result of described vehicle interior temperature and predetermined vehicle interior temperature threshold value; Or
Described entire car controller, for generating described vehicle interior temperature control command based on heater switch triggering command or the instruction of refrigeration switch triggering.
6. the heat management system according to any one of claim 1-5, is characterized in that, described mode of operation comprise following at least one:
Occupant's heating mode; Occupant's refrigeration mode; Battery modules heating mode; Battery modules refrigeration mode; Occupant and battery modules all heating modes; Occupant and battery modules all refrigeration mode; Occupant's heating battery module refrigeration mode; Occupant's refrigeration battery modules heating mode.
7. a thermal management algorithm for electronlmobil, is characterized in that, the method is applied to entire car controller; Described electronlmobil also comprises heat trnasfer subsystem, and described heat trnasfer subsystem comprises: refrigeration loop; The heat treatment loop be connected with battery modules; Be arranged in the H Exch between described refrigeration loop and heat treatment loop; The method comprises:
Gather battery modules temperature;
The mode of operation of described heat trnasfer subsystem is controlled based on vehicle interior temperature control command and described battery modules temperature.
8. thermal management algorithm according to claim 7, is characterized in that,
Described vehicle interior temperature control command generates based on the vehicle interior temperature of collection and the comparative result of predetermined vehicle interior temperature threshold value; Or
Described vehicle interior temperature control command generated based on heater switch triggering command or the instruction of refrigeration switch triggering.
9. thermal management algorithm according to claim 7, is characterized in that, the method comprise following at least one:
When described battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate heating time, control described heat trnasfer subsystem and enter occupant and battery modules all heating modes;
When described battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate refrigeration time, control described heat trnasfer subsystem and enter occupant and battery modules all refrigeration mode;
When described battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate blank operation time, control described heat trnasfer subsystem and enter battery modules heating mode;
When described battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate blank operation time, control described heat trnasfer subsystem and enter battery modules refrigeration mode;
When described battery modules temperature lower than the battery modules low temperature threshold temperature preset and vehicle interior temperature control command is used to indicate refrigeration time, control described heat trnasfer subsystem and enter occupant's refrigeration battery modules heating mode;
When described battery modules temperature higher than the battery modules high temperature threshold temperature preset and vehicle interior temperature control command is used to indicate heating time, control described heat trnasfer subsystem and enter occupant's heating battery module refrigeration mode;
When described battery modules temperature had both been not less than the battery modules low temperature threshold temperature that presets also not higher than the battery modules high temperature threshold temperature preset, and vehicle interior temperature control command is when being used to indicate heating, controls described heat trnasfer subsystem and enter occupant's heating mode;
When described battery modules temperature had both been not less than the battery modules low temperature threshold temperature that presets also not higher than the battery modules high temperature threshold temperature preset, and vehicle interior temperature control command is when being used to indicate refrigeration, controls described heat trnasfer subsystem and enter occupant's refrigeration mode.
10. an electronlmobil, is characterized in that, this electronlmobil comprises the heat management system according to any one of claim 1-5.
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| CN105501072B (en) | 2018-09-28 |
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