WO2012042751A1 - 車両用空調装置 - Google Patents
車両用空調装置 Download PDFInfo
- Publication number
- WO2012042751A1 WO2012042751A1 PCT/JP2011/004950 JP2011004950W WO2012042751A1 WO 2012042751 A1 WO2012042751 A1 WO 2012042751A1 JP 2011004950 W JP2011004950 W JP 2011004950W WO 2012042751 A1 WO2012042751 A1 WO 2012042751A1
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- WIPO (PCT)
- Prior art keywords
- vehicle
- driving force
- temperature
- request signal
- air
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
- B60H1/034—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
- F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
- F02N11/0833—Vehicle conditions
- F02N11/084—State of vehicle accessories, e.g. air condition or power steering
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
- F02N2200/023—Engine temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
- F02N2200/0806—Air condition state
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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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Definitions
- the present invention relates to a vehicle air conditioner that heats blown air that is blown into a vehicle interior using engine coolant as a heat source.
- Patent Document 1 discloses a vehicle air conditioner that is applied to this type of hybrid vehicle. ing.
- vehicle air conditioner disclosed in Patent Document 1 when heating the vehicle interior, air blown into the vehicle interior is heated using engine coolant as a heat source.
- the engine may be stopped even when the vehicle is stopped or running to improve vehicle fuel efficiency. For this reason, when the vehicle air conditioner heats the passenger compartment, the temperature of the cooling water may not rise to a temperature sufficient as a heat source for heating.
- the temperature of the cooling water rises to a temperature sufficient as a heat source for heating even under traveling conditions in which it is not necessary to operate the engine to output the driving force for traveling. If not, an engine operation request signal is output to the driving force control device, and the temperature of the cooling water is increased to a temperature sufficient as a heat source for heating.
- plug-in hybrid vehicle that can charge a battery mounted on a vehicle from an external power source (commercial power source) when the vehicle is stopped.
- the remaining amount of charge in the battery is equal to or greater than a predetermined reference remaining amount for traveling as at the start of traveling. Travels mainly in the EV operation mode in which driving power for traveling is obtained from the traveling electric motor, and when the remaining charge of the battery is lower than the reference remaining power for traveling, the driving power for traveling mainly from the engine Travel in the HV operation mode.
- the vehicle in the EV operation mode, the vehicle is driven mainly by the driving force output from the traveling electric motor, and the engine is operated to assist the traveling electric motor when the vehicle traveling load becomes high. It is an operation mode to do. Therefore, in the EV operation mode, the driving force ratio of the driving force output from the traveling electric motor to the driving force output from the engine increases.
- the HV operation mode is an operation mode in which the vehicle is driven mainly by the driving force output from the engine and the electric motor for driving is operated to assist the engine when the vehicle driving load becomes high. Therefore, in the HV operation mode, the above driving force ratio becomes small.
- the present invention provides a vehicle air conditioner applied to a plug-in hybrid vehicle having an operation mode in which a driving force output from an internal combustion engine is larger than a driving force output from a traveling electric motor.
- the purpose is to realize sufficient heating.
- One air conditioner of the present invention is applied to a vehicle including an electric motor for traveling and an internal combustion engine as a driving source for outputting driving force for traveling the vehicle, and is further output from the internal combustion engine as an operation mode of the vehicle.
- a vehicle having a first operation mode in which the internal combustion engine side driving force is greater than the motor side driving force output from the traveling electric motor, and a second operation mode in which the motor side driving force is greater than the internal combustion engine side driving force.
- Applies to This air conditioner has a heater for heating the blown air blown into the vehicle interior using cooling water of the internal combustion engine as a heat source, and a driving force control device for controlling the operation of the internal combustion engine when heating the vehicle interior.
- a request signal output means for outputting a request signal for increasing the rotational speed of the internal combustion engine.
- the request signal output means outputs, as the request signal, a signal in which the rotation speed increased in the second operation mode is higher than the rotation speed increased in the first operation mode.
- the request signal output means has a motor-side driving force larger than the internal-combustion-engine-side driving force than the number of rotations to be increased in the first operation mode. Since a request signal for increasing the number of revolutions to be increased in the second operation mode in which the temperature does not easily rise is output, the temperature of the cooling water is increased to a sufficient temperature as a heat source for heating even in the second operation mode. Can be made. As a result, it is possible to sufficiently heat the blown air blown into the vehicle interior by the heater, thereby realizing sufficient heating of the vehicle interior.
- the vehicle air conditioner may include an outside air temperature detecting means for detecting the outside air temperature, and the request signal output means may output a signal for increasing the rotational speed as the outside air temperature decreases as the demand signal.
- the heater when a high heating capability is required as in a low outside air temperature, the heater can exhibit a high heating capability.
- the outside air temperature is relatively high, the degree of increase in the rotational speed can be reduced, and fuel consumption of the internal combustion engine can be reduced.
- the vehicle air conditioner further includes target temperature setting means for setting a target temperature in the passenger compartment by an occupant's operation, and the request signal output means sets the number of revolutions of the internal combustion engine as the target temperature increases as a request signal.
- a signal to be increased may be output.
- the heater when the occupant is requesting a high passenger compartment temperature, the heater can exhibit a high heating capacity. Furthermore, when the occupant is requesting a relatively low cabin temperature, the degree of increase in the rotational speed can be reduced, and fuel consumption of the internal combustion engine can be reduced.
- the vehicle air conditioner includes an auxiliary heater that raises the temperature of at least a part of the passenger compartment, and the request signal output means is a request signal when the auxiliary heater is activated than when the auxiliary heater is not activated.
- a signal for increasing the rotation speed may be output. In this case, when a high heating capability is required as in the case where the occupant's sense of warmth is assisted by the auxiliary heater, the heater can exhibit a high heating capability.
- the vehicle air conditioner further comprises a power saving request means for outputting a power saving request signal for requesting power saving of the power required for air conditioning in the passenger compartment by an operation of a passenger, and a request signal output means May output a signal for lowering the rotational speed when the power saving requesting means is turned on than when the power saving requesting means is not turned on. Therefore, when the occupant is requesting power saving, the fuel consumption of the internal combustion engine can be reduced. Furthermore, a slight decrease in heating capacity does not cause discomfort for a passenger with high fuel efficiency awareness.
- Another air conditioner of the present invention is applied to a vehicle including an electric motor for traveling and an internal combustion engine as a driving source for outputting driving force for traveling the vehicle, and is further output from the internal combustion engine as an operation mode of the vehicle.
- the air conditioner includes a heater that heats blown air that is blown into the vehicle interior using cooling water of the internal combustion engine as a heat source, and an internal combustion engine and an electric motor for traveling when the vehicle interior is heated in the second operation mode.
- the driving force control device for controlling the operation includes request signal output means for outputting a request signal for reducing the driving force ratio of the motor side driving force to the internal combustion engine side driving force.
- the request signal output means has a driving force in the second operation mode in which the driving force ratio is smaller than in the first operation mode and the temperature of the cooling water is not easily raised.
- a request signal for reducing the ratio is output.
- the driving force control device increases the driving force on the internal combustion engine side.
- the temperature of the cooling water is used as a heat source for heating. The temperature can be increased to a sufficient temperature. As a result, it is possible to sufficiently heat the blown air blown into the vehicle interior by the heater, thereby realizing sufficient heating of the vehicle interior.
- the air conditioner may include an outside air temperature detecting unit that detects the outside air temperature, and the request signal output unit may output a signal that decreases the driving force ratio as the outside air temperature decreases as the request signal.
- the driving force control device since the motor side driving force is reduced, the driving force control device can increase the internal combustion engine side driving force. Therefore, when a high heating capability is required as in a low outside air temperature, the heater can exhibit a high heating capability. Furthermore, when the outside air temperature is relatively high, the degree of decrease in the driving force ratio can be reduced, and the fuel consumption of the internal combustion engine can be reduced.
- the air conditioner includes target temperature setting means for setting a target temperature in the passenger compartment by the operation of the occupant, and the request signal output means outputs, as the request signal, a signal for decreasing the driving force ratio as the target temperature increases. It may be output.
- the motor side driving force can be increased, and the driving force control device can increase the internal combustion engine side driving force. Therefore, when the occupant is requesting a high vehicle interior temperature, the heater can exhibit a high heating capacity. Further, when the occupant is requesting a relatively low cabin temperature, the fuel consumption of the internal combustion engine can be reduced.
- the air conditioner also includes an auxiliary heater that raises the temperature of at least a part of the passenger compartment, and the request signal output means is driven as a request signal when the auxiliary heater is in operation than when the auxiliary heater is not in operation.
- a signal for reducing the force ratio may be output. Therefore, since the driving force control device increases the driving force on the internal combustion engine side, the heater is made to exhibit a high heating capability when a high heating capability is required when the occupant's sense of temperature is assisted by the auxiliary heater. be able to.
- the air conditioner includes a power saving request means for outputting a power saving request signal for requesting power saving of the power required for air conditioning in the passenger compartment by an operation of a passenger, the request signal output means,
- a power saving request signal for requesting power saving of the power required for air conditioning in the passenger compartment by an operation of a passenger
- the request signal output means As the request signal, when the power saving requesting means is turned on, a signal for increasing the driving force ratio may be output compared to when the power saving requesting means is not turned on. Therefore, the driving force control device does not increase the internal combustion engine side driving force. Therefore, when the occupant requests power saving, the fuel consumption of the internal combustion engine can be reduced. Furthermore, a slight decrease in heating capacity does not cause discomfort for a passenger with high fuel efficiency awareness.
- Another air conditioner of the present invention is applied to a vehicle including an electric motor for traveling and an internal combustion engine as a driving source for outputting driving force for traveling the vehicle, and is further output from the internal combustion engine as an operation mode of the vehicle.
- a predetermined condition is established when heating the air blown into the vehicle interior using the cooling water of the internal combustion engine as a heat source and heating the vehicle interior in the second operation mode.
- a request signal output means for outputting a request signal for requesting the driving force control device for controlling the operation of the internal combustion engine and the traveling electric motor to switch to the operation in the first operation mode.
- the driving force control device that controls the operation of the internal combustion engine and the traveling electric motor when the predetermined signal condition is satisfied when the request signal output means performs heating of the vehicle interior
- the temperature of the cooling water can be increased to a temperature sufficient as a heat source for heating.
- the predetermined condition may be a condition that requires a high heating capacity for the vehicle air conditioner.
- the outside air temperature detecting means for detecting the outside air temperature is provided and the predetermined condition is satisfied may be when the outside air temperature is equal to or lower than a predetermined reference outside air temperature.
- target temperature setting means for setting a target temperature in the passenger compartment by operation of the occupant is provided, and when the predetermined condition is satisfied, the target temperature may be equal to or higher than a predetermined reference target temperature.
- an auxiliary heater that raises the temperature of at least a part of the passenger compartment is provided, and the predetermined condition may be satisfied when the auxiliary heater is operating.
- a power saving request means for outputting a power saving request signal for requesting power saving required for air conditioning in the passenger compartment by the operation of a passenger is provided, and when the predetermined condition is satisfied, It may be when the power saving request means does not require power saving.
- the predetermined condition may be a condition that requires a high anti-fogging capability for the vehicle air conditioner.
- the humidity detection means for detecting the humidity in the vicinity of the vehicle window glass is provided and the predetermined condition is satisfied may be that the humidity detected by the humidity detection means is equal to or higher than a predetermined reference humidity.
- the air conditioner includes a blower outlet mode switching unit that switches a plurality of blower outlet modes by switching a ratio of air volumes blown from a plurality of blower outlets including a defroster blower outlet that blows out blown air toward at least the vehicle window glass, and a predetermined condition
- the time when is established may be a time when the blowout port mode switching unit switches to the defroster mode in which blown air is blown from the defroster blowout port.
- the auxiliary heater may be a sheet heater that raises the temperature of a seat on which an occupant is seated, or may be a window glass heating means that heats a vehicle window glass.
- FIG. 1 is an overall configuration diagram of a vehicle air conditioner 1 according to the present embodiment
- FIG. 2 is a block diagram illustrating a configuration of an electric control unit of the vehicle air conditioner 1.
- the vehicle air conditioner 1 is applied to a hybrid vehicle that obtains driving force for vehicle travel from an internal combustion engine (engine) EG and a travel electric motor.
- engine internal combustion engine
- the hybrid vehicle according to the present embodiment is configured as a plug-in hybrid vehicle that can charge the battery 81 with electric power supplied from an external power source (commercial power source) when the vehicle is stopped.
- an external power source commercial power source
- the battery 81 is charged from an external power source when the vehicle is stopped before the vehicle starts running, so that the remaining charge SOC of the battery 81 is determined in advance as in the start of running.
- the operation mode is such that the vehicle travels mainly by the driving force of the traveling electric motor.
- this operation mode is referred to as an EV operation mode.
- the EV operation mode corresponds to the second operation mode.
- the driving mode is set to run mainly by the driving force of the engine EG.
- this operation mode is referred to as an HV operation mode.
- the HV operation mode corresponds to the first operation mode.
- the EV operation mode is an operation mode in which the vehicle is driven mainly by the driving force output from the traveling electric motor.
- the engine EG is operated. Assist the electric motor for traveling. That is, this is an operation mode in which the driving force for driving (motor side driving force) output from the electric motor for driving is larger than the driving force for driving (internal combustion engine side driving force) output from the engine EG.
- the HV operation mode is an operation mode in which the vehicle is driven mainly by the driving force output from the engine EG.
- the driving electric motor is operated to operate the engine EG.
- this is an operation mode in which the internal combustion engine side driving force is larger than the motor side driving force.
- the drive force ratio (motor side drive force / internal combustion engine side drive force) is at least greater than 0.5.
- the fuel consumption amount of the engine EG with respect to a normal vehicle that obtains driving force for vehicle travel only from the engine EG by switching between the EV operation mode and the HV operation mode in this way. This suppresses vehicle fuel efficiency.
- the switching between the EV operation mode and the HV operation mode and the control of the driving force ratio are controlled by a driving force control device 70 described later.
- the driving force output from the engine EG is used not only for driving the vehicle but also for operating the generator 80.
- the electric power generated with the generator 80 and the electric power supplied from the external power supply can be stored in the battery 81, and the electric power stored in the battery 81 is not only a traveling electric motor but also a vehicle air conditioner. 1 can be supplied to various in-vehicle devices including an electric component device that constitutes 1.
- the vehicle air conditioner 1 of the present embodiment includes the refrigeration cycle 10, the indoor air conditioner unit 30 shown in FIG. 1, the air conditioning control device 50 shown in FIG. 2, the seat air conditioner 90, and the like.
- the indoor air conditioning unit 30 is arranged inside the instrument panel (instrument panel) at the foremost part of the vehicle interior, and the blower 32, the evaporator 15, the heater core 36, and the PTC heater 37 are disposed in a casing 31 that forms an outer shell thereof. Etc. are accommodated.
- the casing 31 forms an air passage for the blown air that is blown into the vehicle interior, and is formed of a resin (for example, polypropylene) having a certain degree of elasticity and excellent strength.
- An inside / outside air switching box 20 as an inside / outside air switching means for switching between the inside air (vehicle compartment air) and the outside air (vehicle compartment outside air) is arranged on the most upstream side of the blown air flow in the casing 31.
- the inside / outside air switching box 20 is formed with an inside air introduction port 21 for introducing inside air into the casing 31 and an outside air introduction port 22 for introducing outside air. Further, inside the inside / outside air switching box 20, the opening area of the inside air introduction port 21 and the outside air introduction port 22 is continuously adjusted, and the air volume ratio between the air volume of the inside air introduced into the casing 31 and the air volume of the outside air is set. An inside / outside air switching door 23 to be changed is arranged.
- the inside / outside air switching door 23 constitutes an air volume ratio changing means for switching the suction port mode for changing the air volume ratio between the air volume of the inside air introduced into the casing 31 and the air volume of the outside air. More specifically, the inside / outside air switching door 23 is driven by an electric actuator 62 for the inside / outside air switching door 23, and the operation of the electric actuator 62 is controlled by a control signal output from an air conditioning control device 50 described later. Be controlled.
- the suction port mode the inside air introduction port 21 is fully opened and the outside air introduction port 22 is fully closed to introduce the inside air into the casing 31, and the inside air introduction port 21 is fully closed and the outside air introduction port 22.
- the outside air mode in which the outside air is introduced into the casing 31 with the valve fully open, and the opening areas of the inside air introduction port 21 and the outside air introduction port 22 are continuously adjusted between the inside air mode and the outside air mode.
- a blower 32 (blower), which is a blowing means for blowing the air sucked through the inside / outside air switching box 20 toward the passenger compartment, is disposed on the downstream side of the air flow of the inside / outside air switching box 20.
- the blower 32 is an electric blower that drives a centrifugal multiblade fan (sirocco fan) with an electric motor, and the number of rotations (air flow rate) is controlled by a control voltage output from the air conditioning control device 50. Therefore, this electric motor constitutes a blowing capacity changing means of the blower 32.
- the evaporator 15 is arranged on the downstream side of the air flow of the blower 32.
- the evaporator 15 functions as a cooling heat exchanger that cools the blown air by exchanging heat between the refrigerant flowing through the evaporator 15 and the blown air blown from the blower 32.
- the evaporator 15 constitutes a vapor compression refrigeration cycle 10 together with the compressor 11, the condenser 12, the gas-liquid separator 13, the expansion valve 14, and the like.
- the compressor 11 is disposed in the engine room, sucks refrigerant in the refrigeration cycle 10, compresses and discharges it, and drives the fixed capacity type compression mechanism 11a having a fixed discharge capacity by the electric motor 11b. It is configured as an electric compressor.
- the electric motor 11b is an AC motor whose operation (number of rotations) is controlled by the AC voltage output from the inverter 61.
- the inverter 61 outputs an AC voltage having a frequency corresponding to a control signal output from the air conditioning control device 50 described later. And the refrigerant
- the condenser 12 is disposed in the bonnet, and exchanges heat between the refrigerant circulating in the interior and the air outside the vehicle (outside air) blown from the blower fan 12a as the outdoor blower. It is an outdoor heat exchanger to be condensed.
- the blower fan 12a is an electric blower in which the operation rate, that is, the rotation speed (the amount of blown air) is controlled by a control voltage output from the air conditioning control device 50.
- the gas-liquid separator 13 is a receiver that gas-liquid separates the refrigerant condensed in the condenser 12 to store surplus refrigerant and flows only the liquid-phase refrigerant downstream.
- the expansion valve 14 is a decompression unit that decompresses and expands the liquid-phase refrigerant that has flowed out of the gas-liquid separator 13.
- the evaporator 15 is an indoor heat exchanger that evaporates the refrigerant decompressed and expanded by the expansion valve 14 and exerts an endothermic effect on the refrigerant. Thereby, the evaporator 15 functions as a heat exchanger for cooling which cools blowing air.
- an air passage such as a cooling cold air passage 33 and a cold air bypass passage 34 for flowing air after passing through the evaporator 15, and the heating cold air passage 33 and the cold air are provided.
- a mixing space 35 for mixing the air flowing out from the bypass passage 34 is formed.
- a heater core 36 and a PTC heater 37 for heating the air that has passed through the evaporator 15 are arranged in this order in the direction of air flow.
- the heater core 36 heat-exchanges engine cooling water (hereinafter simply referred to as cooling water) that cools the engine EG and blown air that has passed through the evaporator 15 to heat the blown air that has passed through the evaporator 15. It is a heat exchanger.
- the heater core 36 and the engine EG are connected by a cooling water pipe, and the cooling water circuit 40 in which the cooling water circulates between the heater core 36 and the engine EG is configured.
- the cooling water circuit 40 is provided with a cooling water pump 40a for circulating the cooling water.
- the cooling water pump 40 a is an electric water pump whose rotational speed (cooling water circulation flow rate) is controlled by a control voltage output from the air conditioning control device 50.
- the PTC heater 37 is an electric heater as an auxiliary heater that has a PTC element (positive characteristic thermistor), generates heat when electric power is supplied to the PTC element, and heats air after passing through the heater core 36. Note that the power consumption required to operate the PTC heater 37 of the present embodiment is less than the power consumption required to operate the compressor 11 of the refrigeration cycle 10.
- the PTC heater 37 is composed of a plurality (three in this embodiment) of PTC heaters 37a, 37b, and 37c.
- FIG. 3 is a circuit diagram showing an electrical connection mode of the PTC heater 37 of the present embodiment.
- each PTC heater 37a, 37b, 37c is connected to the battery 81 side, and the negative side is connected to each PTC heater 37a, 37b, 37c via each switch element SW1, SW2, SW3. Connected to the ground side.
- Each switch element SW1, SW2, SW3 switches between the energized state (ON state) and the non-energized state (OFF state) of each PTC element h1, h2, h3 included in each PTC heater 37a, 37b, 37c.
- each switch element SW1, SW2, SW3 is independently controlled by a control signal output from the air conditioning control device 50. Therefore, the air-conditioning control device 50 switches the energized state and the non-energized state of each switch element SW1, SW2, and SW3 independently, and becomes an energized state among the PTC heaters 37a, 37b, and 37c, and exhibits heating capability. It is possible to change the heating capacity of the PTC heater 37 as a whole by switching the ones.
- the cold air bypass passage 34 is an air passage for guiding the air after passing through the evaporator 15 to the mixing space 35 without passing through the heater core 36 and the PTC heater 37. Accordingly, the temperature of the blown air mixed in the mixing space 35 varies depending on the air volume ratio of the air passing through the heating cool air passage 33 and the air passing through the cold air bypass passage 34.
- An air mix door 39 that continuously changes the ratio is disposed.
- the air mix door 39 constitutes a temperature adjusting means for adjusting the air temperature in the mixing space 35 (the temperature of the blown air blown into the vehicle interior). More specifically, the air mix door 39 is driven by an electric actuator 63 for the air mix door, and the operation of the electric actuator 63 is controlled by a control signal output from the air conditioning controller 50.
- air outlets 24 to 26 for blowing out the blast air whose temperature is adjusted from the mixing space 35 to the vehicle interior that is the air-conditioning target space are arranged.
- the air outlets 24 to 26 include a face air outlet 24 that blows air-conditioned air toward the upper body of an occupant in the vehicle interior, a foot air outlet 25 that blows air-conditioned air toward the feet of the occupant, and the front of the vehicle.
- a defroster outlet 26 that blows air-conditioned air toward the inner side surface of the window glass is provided.
- the face door 24a for adjusting the opening area of the face air outlet 24 and the opening area of the foot air outlet 25 are adjusted.
- the defroster door 26a which adjusts the opening area of the foot door 25a to perform and the defroster blower outlet 26 is arrange
- the face door 24a, the foot door 25a, and the defroster door 26a constitute an outlet mode switching unit that switches the outlet mode, and an electric actuator 64 for driving the outlet mode door via a link mechanism (not shown). It is linked to and rotated in conjunction with it. The operation of the electric actuator 64 is also controlled by a control signal output from the air conditioning controller 50.
- the face air outlet 24 is fully opened and air is blown out from the face air outlet 24 toward the upper body of the passenger in the vehicle. Both the face air outlet 24 and the foot air outlet 25 are opened.
- a bi-level mode that blows air toward the upper body and feet of passengers in the passenger compartment, a foot mode in which the foot outlet 25 is fully opened and the defroster outlet 26 is opened by a small opening, and air is mainly blown out from the foot outlet 25.
- there is a foot defroster mode in which the foot outlet 25 and the defroster outlet 26 are opened to the same extent and air is blown out from both the foot outlet 25 and the defroster outlet 26.
- the defroster mode in which the occupant manually operates a switch on the operation panel 60 to be described later to fully open the defroster outlet and blow out air from the defroster outlet to the inner surface of the vehicle front window glass can be set.
- the vehicle air conditioner 1 of the present embodiment includes an electric heat defogger (not shown).
- the electric heat defogger is a heating wire arranged inside or on the surface of the vehicle interior window glass, and is a window glass heating means for preventing fogging or eliminating window fogging by heating the window glass.
- the operation of the electric heat defogger can be controlled by a control signal output from the air conditioning controller 50.
- the vehicle air conditioner 1 of the present embodiment includes a seat air conditioner 90 as an auxiliary heater that raises the surface temperature of the seat on which the passenger is seated.
- the seat air conditioner 90 is a seat heater that is configured by a heating wire embedded in the seat surface and generates heat when supplied with electric power.
- the air-conditioning unit 10 operates to compensate for the passenger's feeling of heating.
- the operation of the seat air conditioner 90 is controlled by a control signal output from the air conditioning controller 50, and is controlled so as to increase the surface temperature of the seat until it reaches about 40 ° C. during operation.
- the air conditioning control device 50 and the driving force control device 70 are composed of a well-known microcomputer including a CPU, ROM, RAM and the like and peripheral circuits thereof, and perform various calculations and processing based on an air conditioning control program stored in the ROM. And control the operation of various devices connected to the output side.
- the driving side of the driving force control device 70 is connected to various engine components constituting the engine EG and a traveling inverter for supplying an alternating current to the traveling electric motor.
- a starter for starting the engine EG a fuel injection valve (injector) drive circuit (not shown) for supplying fuel to the engine EG, and the like are connected.
- Various engine control sensors such as an accelerator opening sensor for detecting, an engine speed sensor for detecting the engine speed Ne, and a vehicle speed sensor (none of which is shown) for detecting the vehicle speed Vv are connected.
- the blower 32 On the output side of the air conditioning control device 50, the blower 32, the inverter 61 for the electric motor 11b of the compressor 11, the blower fan 12a, various electric actuators 62, 63, 64, the first to third PTC heaters 37a, 37b, 37c, A cooling water pump 40a, a seat air conditioner 90, and the like are connected.
- an inside air sensor 51 that detects the vehicle interior temperature Tr
- an outside air sensor 52 outside air temperature detection means
- a solar radiation sensor that detects the amount of solar radiation Ts in the vehicle interior.
- a discharge temperature sensor 54 discharge temperature detection means for detecting the compressor 11 discharge refrigerant temperature Td
- a discharge pressure sensor 55 discharge pressure detection means for detecting the compressor 11 discharge refrigerant pressure Pd
- An evaporator temperature sensor 56 evaporator temperature detecting means for detecting an air temperature (evaporator temperature) TE
- a cooling water temperature Tw sensor 58 for detecting a cooling water temperature Tw of the cooling water flowing out from the engine EG
- Sensors of various air-conditioning control such as a window glass surface temperature sensor for detecting the glass surface temperature is connected.
- the evaporator temperature sensor 56 of the present embodiment specifically detects the heat exchange fin temperature of the evaporator 15.
- temperature detection means for detecting the temperature of other parts of the evaporator 15 may be adopted, or temperature detection means for directly detecting the temperature of the refrigerant itself flowing through the evaporator 15 may be used. It may be adopted.
- the detected value of a humidity sensor, a window glass vicinity temperature sensor, and a window glass surface temperature sensor is used in order to calculate the relative humidity RHW of the window glass surface.
- various air conditioning operation switches provided on the operation panel 60 include an operation switch of the vehicle air conditioner 1, an auto switch, an operation mode changeover switch, an outlet mode changeover switch, an air volume setting switch of the blower 32, A vehicle interior temperature setting switch, an economy switch, a display unit for displaying the current operating state of the vehicle air conditioner 1 and the like are provided.
- the auto switch is automatic control setting means for setting or canceling automatic control of the vehicle air conditioner 1 by the operation of the passenger.
- the vehicle interior temperature setting switch is target temperature setting means for setting the vehicle interior target temperature Tset by the operation of the passenger.
- the economy switch is a power saving request means for outputting a power saving request signal for requesting the power saving of the power required for air conditioning in the passenger compartment by the operation of the passenger.
- a signal for reducing the operating frequency of the engine EG that is operated to assist the electric motor for traveling is output to the driving force control device 70 in the EV operation mode.
- the air conditioning control device 50 and the driving force control device 70 are configured to be electrically connected to communicate with each other. Thereby, based on the detection signal or operation signal input into one control apparatus, the other control apparatus can also control the operation
- the air-conditioning control device 50 can output the engine EG request signal to the driving force control device 70 to operate the engine EG or change the rotational speed of the engine EG.
- the air-conditioning control device 50 and the driving force control device are configured such that control means for controlling various control target devices connected to the output side is integrally configured, but controls the operation of each control target device.
- the configuration (hardware and software) constitutes control means for controlling the operation of each control target device.
- the configuration in which the refrigerant discharge capacity of the compressor 11 is controlled by controlling the frequency of the AC voltage output from the inverter 61 connected to the electric motor 11 b of the compressor 11 is compressor control.
- operation of the air blower 32 which is an air blow means, and controls the ventilation capability of the air blower 32 comprises an air blower control means.
- the structure (hardware and software) which transmits / receives a control signal to / from the driving force control device 70 constitutes the request signal output means 50a.
- FIG. 4 is a flowchart showing a control process as a main routine of the vehicle air conditioner 1 of the present embodiment. This control process starts when the auto switch is turned on with the operation switch of the vehicle air conditioner 1 turned on.
- Each of the control steps in FIG. 4 to FIG. 8 constitutes various function realizing means that the air conditioning control device 50 has.
- step S1 initialization such as initialization of a flag, a timer, etc. and initial alignment of the stepping motor constituting the above-described electric actuator is performed. In this initialization, some of the flags and calculation values that are stored at the end of the previous operation of the vehicle air conditioner 1 are maintained.
- step S2 an operation signal from the operation panel 60 is read and the process proceeds to step S3.
- Specific operation signals include a target temperature Tset in the passenger compartment set by the passenger compartment temperature setting switch, a suction port mode switch setting signal, a power saving request signal output in response to an operation of the economy switch, and the like. .
- step S3 a vehicle environmental state signal used for air-conditioning control, that is, detection signals from the above-described sensor groups 51 to 58 and the like are read.
- step S3 a part of the detection signal of the sensor group connected to the input side of the driving force control device 70 and the control signal output from the driving force control device 70 are also read from the driving force control device 70. It is out.
- step S4 the target blowing temperature TAO of the vehicle compartment blowing air is calculated.
- the target blowing temperature TAO is calculated by the following formula F1.
- TAO Kset ⁇ Tset ⁇ Kr ⁇ Tr ⁇ Kam ⁇ Tam ⁇ Ks ⁇ Ts + C (F1)
- Tset is the vehicle interior set temperature set by the vehicle interior temperature setting switch
- Tr is the vehicle interior temperature (inside air temperature) detected by the inside air sensor 51
- Tam the outside air temperature detected by the outside air sensor 52
- Ts is This is the amount of solar radiation detected by the solar radiation sensor 53.
- Kset, Kr, Kam, Ks are control gains
- C is a correction constant.
- step S5 control states of various devices connected to the air conditioning control device 50 are determined.
- the target opening degree SW of the air mix door 39 is calculated based on the target blow temperature TAO, the blown air temperature TE detected by the evaporator temperature sensor 56, and the hot air temperature TWD before the air mix.
- the target opening degree SW can be calculated by the following formula F2.
- SW [ ⁇ TAO ⁇ (TE + 2) ⁇ / ⁇ TWD ⁇ (TE + 2) ⁇ ] ⁇ 100 (%) (F2)
- the hot air temperature TWD before air mixing is a value determined according to the heating capacity of the heater core 36 and the PTC heater 37 disposed in the heating cold air passage 33, and specifically, the following formula F3 Can be calculated.
- TWD Tw ⁇ 0.8 + TE ⁇ 0.2 + ⁇ Tptc (F3)
- Tw is the cooling water temperature Tw detected by the cooling water temperature Tw sensor 58
- ⁇ Tptc is the amount of increase in the blowing temperature due to the operation of the PTC heater 37, that is, the temperature of the conditioned air blown from the outlet to the vehicle interior (outlet Temperature), the temperature rise amount contributed by the operation of the PTC heater 37.
- ⁇ Tptc is set to 10 ° C. when the PTC heater 37 is operated, and is set to 0 ° C. when the PTC heater 37 is not operated.
- the warm air temperature TWD before air mixing is the total value of the blowout temperature rise amount (Tw ⁇ 0.8 + TE ⁇ 0.2) by the heater core 36 and the blowout temperature rise amount ⁇ Tptc due to the operation of the PTC heater 37. Asking.
- the blowout temperature rise amount (Tw ⁇ 0.8 + TE ⁇ 0.2) by the heater core 36 is considered that the blown air rises to the cooling water temperature Tw at the heater core 36 if the heat exchange efficiency of the heater core 36 is 100%.
- the coefficient of 0.8 is determined because the heat exchange efficiency is around 80%.
- the amount of temperature rise by the heater core 36 varies depending on the temperature of the blown air flowing into the heater core 36. Since the temperature of the blown air flowing into the heater core 36 is the temperature of the cold air cooled by the evaporator 15, the blown air temperature TE can be adopted. Then, a coefficient of 0.2, which is experimentally obtained as the contribution of the temperature of the blown air flowing into the heater core 36 to the amount of increase in the blowout temperature, is employed.
- the blowout temperature rise amount ⁇ Tptc due to the operation of the PTC heater 37 is the power consumption W (Kw) of the PTC heater 37, the air density ⁇ (kg / m 3 ), the air specific heat Cp, and the amount of air passing through the PTC heater 37.
- W (Kw) of the PTC heater 37 the power consumption W (Kw) of the PTC heater 37
- the air density ⁇ (kg / m 3 ) the air specific heat Cp, and the amount of air passing through the PTC heater 37.
- ⁇ Tptc W / ⁇ / Cp / Va ⁇ 3600 (F4)
- the PTC passing air volume Va a value that takes into consideration the air mix opening SW calculated in the previous step S5 with respect to the blown air volume of the blower 32 is used.
- SW 0% is the maximum cooling position of the air mix door 39, the cold air bypass passage 34 is fully opened, and the heating cold air passage 33 is fully closed.
- SW 100% is the maximum heating position of the air mix door 39, and the cold air bypass passage 34 is fully closed and the heating cold air passage 33 is fully opened.
- the blowing capacity (blowing amount) of the blower 32 is determined. Specifically, referring to the control map stored in advance in the air conditioning control device 50 based on the target blowing temperature TAO determined in step S4, the blowing capacity of the blower 32 (specifically, the electric motor) The blower motor voltage to be applied) is determined.
- the blower motor voltage is set to a high voltage near the maximum value in the extremely low temperature region (maximum cooling region) and the extremely high temperature region (maximum heating region) of TAO, and the air volume of the blower 32 is near the maximum air volume. To control. Further, when TAO rises from the extremely low temperature region toward the intermediate temperature region, the blower motor voltage is decreased according to the increase in TAO, and the air volume of the blower 32 is decreased.
- the blower motor voltage is decreased according to the decrease in TAO, and the air volume of the blower 32 is decreased.
- TAO enters a predetermined intermediate temperature range, the blower motor voltage is set to the minimum value and the air volume of the blower 32 is set to the minimum value.
- the inlet mode that is, the switching state of the inside / outside air switching box is determined.
- This inlet mode is also determined based on TAO with reference to a control map stored in advance in the air conditioning controller 50.
- priority is given mainly to the outside air mode for introducing outside air.
- the inside air mode for introducing inside air is selected when TAO is in a very low temperature range and high cooling performance is desired.
- an exhaust gas concentration detecting means for detecting the exhaust gas concentration of the outside air may be provided, and the inside air mode may be selected when the exhaust gas concentration becomes equal to or higher than a predetermined reference concentration.
- the outlet mode is determined.
- This air outlet mode is also determined with reference to a control map stored in advance in the air conditioning control device 50 based on TAO.
- the outlet mode is sequentially switched from the foot mode to the bi-level mode to the face mode.
- the face mode is mainly selected in the summer
- the bi-level mode is mainly selected in the spring and autumn
- the foot mode is mainly selected in the winter. Furthermore, when there is a high possibility that fogging will occur on the window glass from the detection value of the humidity sensor, the foot defroster mode or the defroster mode may be selected.
- step S9 the refrigerant discharge capacity (specifically, the rotational speed (rpm)) of the compressor 11 is determined.
- step S9 based on the TAO determined in step S4 and the like, the target air temperature TeO of the air temperature Te discharged from the indoor evaporator 15 is determined with reference to the control map stored in advance in the air conditioning control device 50. To do.
- a deviation En (TEO ⁇ Te) between the target blowing temperature TEO and the blowing air temperature Te is calculated, and a deviation change rate Edot (En ⁇ (En ⁇ ()) obtained by subtracting the previously calculated deviation En ⁇ 1 from the currently calculated deviation En. En-1)), and based on the fuzzy inference based on the membership function and rules stored in advance in the air conditioning controller 50, the rotational speed change amount ⁇ f_C with respect to the previous compressor rotational speed fCn-1 is Ask.
- ⁇ f_C is determined based on the above-described deviation En and deviation change rate Edot so as to prevent frosting of the indoor evaporator 15.
- a value obtained by adding the rotational speed change amount ⁇ f_C to the previous compressor rotational speed fn ⁇ 1 is updated as the current compressor rotational speed fn.
- the update of the compressor speed fn is executed at a control cycle of 1 second.
- step S10 the number of operating PTC heaters 37 and the operating state of the electric heat defogger are determined. First, the determination of the number of operating PTC heaters 37 will be described. In step S10, the number of operating PTC heaters 37 is determined according to the outside air temperature Tam, the air mix opening SW, and the cooling water temperature Tw.
- step S101 it is determined whether or not the PTC heater 37 needs to be operated based on the outside air temperature. Specifically, it is determined whether or not the outside air temperature detected by the outside air sensor 52 is higher than a predetermined temperature (26 ° C. in the present embodiment).
- step S101 If it is determined in step S101 that the outside air temperature is higher than 26 ° C., it is determined that the blowing temperature assist by the PTC heater 37 is not necessary, and the process proceeds to step S105, where the number of operation of the PTC heater 37 is reduced to zero. decide. On the other hand, if it is determined in step S101 that the outside air temperature is lower than 26 ° C., the process proceeds to step S102.
- steps S102 and S103 it is determined whether or not the PTC heater 37 needs to be operated based on the air mix opening SW.
- the fact that the air mix opening SW becomes smaller means that the necessity of heating the blown air in the heating cool air passage 33 is reduced, so that the air mix opening SW becomes smaller. Therefore, the necessity of operating the PTC heater 37 is also reduced.
- the air mix opening is equal to or greater than the second reference opening (110% in this embodiment)
- the opening difference between the first reference opening and the second reference opening is set as a hysteresis width for preventing control hunting.
- step S103 if the PTC heater operation flag f (SW) determined in step S102 is OFF, the process proceeds to step S105, and the number of operation of the PTC heater is determined to be zero. On the other hand, if the PTC heater operation flag f (SW) is ON, the process proceeds to step S104, and the number of PTC heaters 37 to be operated is determined.
- step S104 the number of operating PTC heaters 37 is determined according to the cooling water temperature Tw. Specifically, when the cooling water temperature Tw is in the rising process, if the cooling water temperature Tw ⁇ the first predetermined temperature T1, the number of operation is 0, and the first predetermined temperature T1> the cooling water temperature Tw ⁇ second. If the predetermined temperature T2, the number of operation is one, the second predetermined temperature T2> cooling water temperature Tw ⁇ the third predetermined temperature T3, the number of operation is two, the third predetermined temperature T3> cooling water temperature Tw ⁇ If it is the second predetermined temperature T4, the number of operations is three.
- the fourth predetermined temperature T4 ⁇ the cooling water temperature Tw
- the number of operation is three, and the fourth predetermined temperature T4 ⁇ the cooling water temperature Tw ⁇ the third predetermined temperature T3. If so, the number of operation is two, and if the third predetermined temperature T3 ⁇ cooling water temperature Tw ⁇ second predetermined temperature T2, the number of operation is one, and if the second predetermined temperature T1 ⁇ cooling water temperature Tw, the operation is performed.
- the number is set to 0 and the process proceeds to step S11.
- Each predetermined temperature has a relationship of T1> T2> T3> T4.
- T1 67.5 ° C.
- T2 65 ° C.
- T3 62.5 ° C.
- T4 60 ° C.
- the temperature difference of each predetermined temperature is set as a hysteresis width for preventing control hunting.
- the electric heat defogger if there is a high possibility that fogging will occur on the window glass due to the humidity and temperature in the passenger compartment, or if the window glass is fogged, the electric heat defogger is activated.
- a request signal output from the air conditioning control device 50 to the driving force control device 70 is determined.
- the request signal includes an engine EG operation request signal (engine ON request signal) or an engine EG operation stop signal (engine OFF request signal), and further, the rotation of the engine EG when the engine EG is operating or when an operation is requested. There are a number of revolution request signals and the like.
- the cooling water is always at a high temperature because the engine is always operated during running. Therefore, in a normal vehicle, sufficient heating performance can be exhibited by circulating cooling water to the heater core 14.
- the plug-in hybrid vehicle of this embodiment when traveling in the EV operation mode, it is possible to travel by obtaining the driving force for traveling only from the traveling electric motor. For this reason, even when high heating performance is required, the cooling water temperature Tw may not rise until it reaches a sufficient temperature as a heat source for heating.
- the air conditioning control is performed in order to maintain the cooling water temperature Tw at a predetermined temperature or higher.
- An operation request signal and a rotation speed change request signal are sent from the device 50 to the driving force control device 70 so that the engine EG operates at an appropriate rotation speed. Thereby, the cooling water temperature Tw is raised and high heating performance is obtained.
- step S1101 an engine ON water temperature and an engine OFF water temperature are calculated as determination threshold values used for determining whether or not to output an engine operation request signal or an operation stop signal based on the coolant temperature Tw.
- the engine ON water temperature is a cooling water temperature Tw that is a criterion for determining to output a stop request signal
- the engine OFF water temperature is a cooling that is a criterion for determining to output an engine operation stop signal. Water temperature Tw.
- the smaller one of the cooling water temperature Tw and 70 ° C. required for the actual vehicle interior air temperature to be approximately equal to the target air temperature TAO is adopted.
- the cooling water temperature Tw required for the actual vehicle interior blown air temperature to be approximately equal to the target blowout temperature TAO is calculated using the following formula F5. ⁇ (TAO ⁇ Tptc) ⁇ (TE ⁇ 0.2) ⁇ / 0.8 (F5)
- the above formula F5 is the sum of the blown temperature rise amount (Tw ⁇ 0.8 + TE ⁇ 0.2) by the heater core 14 and the blown temperature rise amount ⁇ Tptc due to the operation of the PTC heater 37 described in step S5. This is equivalent to the expression modified to obtain the value of Tw as equal to TAO.
- the engine ON water temperature is set lower than the engine OFF water temperature by a predetermined value (5 ° C. in the present embodiment) in order to prevent frequent engine ON / OFF.
- This predetermined value is set as a hysteresis width for preventing control hunting.
- step S1103 refers to a control map stored in advance in the air-conditioning control device 50 based on the operating state of the blower 32, the outside air temperature Tam, and the temporary request signal flag f (Tw), thereby controlling the driving force.
- the request signal output to the device 70 is determined, and the process proceeds to step S1104 shown in FIG.
- step S1103 when the blower 32 is operating and the target blowing temperature TAO is less than 28 ° C., the engine EG is used regardless of the temporary request signal flag f (Tw). Is determined to be a request signal for stopping.
- a request signal for operating the engine EG if the temporary request signal flag f (Tw) is ON. If the provisional request signal flag f (Tw) is OFF, the request signal for stopping the engine EG is determined. Furthermore, when the blower 32 is not operating, the request signal for stopping the engine EG is determined regardless of the target blowing temperature TAO and the temporary request signal flag f (Tw).
- step S1104 it is determined whether the blower 32 is operating. If it is determined in step S1104 that the blower 32 is operating, the process proceeds to step S1105. On the other hand, when it is determined in step S1104 that the blower 32 is not operating, the process proceeds to step S1117, the required rotational speed of the engine EG is determined to be 1300 rpm, and the process proceeds to step S12.
- step S1105 it is determined whether or not the economy switch is turned on. If it is determined in step S1105 that the economy switch is not turned on, the process proceeds to step S1106. On the other hand, if it is determined in step S1105 that the economy switch has been turned on, the process proceeds to step S1117, the required rotational speed of the engine EG is determined to be 1300 rpm, and the process proceeds to step S12.
- step S1106 it is determined whether or not the outside air temperature Tam is lower than a predetermined reference outside air temperature ( ⁇ 10 ° C. in the present embodiment). If it is determined in step S1106 that the outside air temperature Tam is lower than the reference outside air temperature, the process proceeds to step S1107. On the other hand, when it is determined in step S1106 that the outside air temperature Tam is not lower than the reference outside air temperature, the process proceeds to step S1117, the required engine speed of the engine EG is determined to be 1300 rpm, and the process proceeds to step S12.
- step S1107 it is determined whether or not the air mix opening SW determined in step S5 is 100% or more, that is, whether or not the air mix door 39 is in the maximum heating position. If it is determined in step S1107 that the air mix door 39 is in the maximum heating position, the process proceeds to step S1108. On the other hand, when it is determined in step S1107 that the air mix door 39 is not at the maximum heating position, the process proceeds to step S1117, the required rotation speed of the engine EG is determined to be 1300 rpm, and the process proceeds to step S12.
- step S1108 it is determined whether or not the target temperature Tset set by the vehicle interior temperature setting switch of the operation panel 60 is higher than a predetermined reference target temperature (28 ° C. in the present embodiment). If it is determined in step S1108 that the target temperature Tset is higher than the reference target temperature, the process proceeds to step S1109. On the other hand, if it is determined in step S1108 that the target temperature Tset is not higher than the reference target temperature, the process proceeds to step S1117, the required engine speed of the engine EG is determined to be 1300 rpm, and the process proceeds to step S12.
- step S1109 it is determined whether or not the vehicle interior temperature Tr detected by the internal air sensor 51 is lower than a predetermined reference vehicle interior temperature (24 ° C. in the present embodiment). If it is determined in step S1109 that the vehicle interior temperature Tr is lower than the reference vehicle interior temperature, the process proceeds to step S1110. On the other hand, when it is determined in step S1109 that the vehicle interior temperature Tr is not lower than the reference vehicle interior temperature, the process proceeds to step S1117, and the required engine speed of the engine EG is determined to be 1300 rpm, and the process proceeds to step S12. move on.
- a predetermined reference vehicle interior temperature 24 ° C. in the present embodiment
- step S1110 it is determined whether or not the vehicle operation mode is the EV operation mode or the HV operation mode.
- the vehicle operation mode is the EV operation mode or the HV operation mode.
- the remaining charge SOC of the battery 81 is greater than or equal to the predetermined reference remaining charge for travel, the remaining charge SOC of the battery 81 is sufficient.
- the EV operation mode is assumed to be present, and when the remaining power SOC of the battery is smaller than the reference remaining charge for driving, the HV operation mode is set assuming that the remaining power SOC of the battery 81 is insufficient.
- the operation mode is determined as shown in the chart of FIG. Further, when the EV cancel switch that requests the driving force control device 70 not to execute the EV operation mode is turned on (ON) by the occupant's operation, the remaining charge SOC of the battery 81 is sufficient. Even so, the HV operation mode is set.
- step S1110 If it is determined in step S1110 that the vehicle is in the HV operation mode, the process proceeds to step S1111 and a control map stored in advance in the air conditioning control device 50 based on the vehicle speed Vv detected by the vehicle speed sensor. Reference is made to the required engine speed of engine EG, and the process proceeds to step S12. Specifically, in the present embodiment, determination is made so as to decrease the required engine speed of the engine EG as the vehicle speed Vv decreases.
- step S1110 when it is determined in step S1110 that the EV operation mode is set, the process proceeds to step S1112 shown in FIG.
- step S1112 it is determined whether the PTC heater 37 is operating. If it is determined in step S1112 that the PTC heater 37 is operating, the process proceeds to step S1116. On the other hand, if it is determined in step S1112 that the PTC heater 37 is not operating, the process proceeds to step S1113.
- step S1113 it is determined whether or not the seat air conditioner is operating. In step S1113, if it is determined that the seat air conditioner 90 is operating, the process proceeds to step S1116. On the other hand, if it is determined in step S1113 that the seat air conditioner 90 is not operating, the process proceeds to step S1114.
- step S1114 it is determined whether or not the electrothermal defogger is operating. In step S1114, if it is determined that the electrothermal defogger is operating (energized), the process proceeds to step S1116. On the other hand, if it is determined in step S1114 that the electrothermal defogger is not operating, the process proceeds to step S1115.
- step S1115 as in step S1111, based on the vehicle speed Vv, the required engine speed of the engine EG is determined with reference to the control map stored in the air conditioning controller 50 in advance, and the process proceeds to step S12. Specifically, in the present embodiment, determination is made so as to decrease the required engine speed of the engine EG as the vehicle speed Vv decreases. At this time, when the vehicle speed Vv is in the range of 0 km to 100 km, a value higher than the required rotational speed of the engine EG determined in step S1111 is determined.
- step S1116 as in step S1111, the required engine speed of the engine EG is determined based on the vehicle speed Vv with reference to a control map stored in advance in the air conditioning control device 50, and the process proceeds to step S12. . Specifically, in the present embodiment, determination is made so as to decrease the required engine speed of the engine EG as the vehicle speed Vv decreases.
- the value is higher than the required engine speed of the engine EG determined in step S1111 and is lower than the required engine speed of the engine EG determined in step S1115. The value is determined.
- step S1110 when it is determined in step S1110 that the operation mode is the EV operation mode, the required rotational speed of the engine EG is higher than that in the case where it is determined that the operation mode is the HV operation mode.
- the request signal is output so that the required rotational speed of the engine EG is higher in the EV operation mode than in the HV operation mode when the motor side driving force is larger than the internal combustion engine side driving force and the cooling water temperature Tw is difficult to increase. It is determined. In other words, the drive force ratio (motor side drive force / internal combustion engine side drive force) becomes relatively high, and the required rotational speed of the engine EG increases in the EV operation mode in which the coolant temperature Tw is less likely to rise than in the HV operation mode. The request signal is determined to do so.
- the required rotational speed of the engine EG is higher than when not operating. Become.
- the request signal is determined as follows. Even in the EV mode, when the electrothermal defogger is operating, the request signal is determined so that the required engine speed of the engine EG increases more than when it is not operating.
- step S12 it is determined whether or not to operate the cooling water pump 40a for circulating the cooling water between the heater core 36 and the engine EG in the cooling water circuit 40. Details of step S12 will be described with reference to the flowchart of FIG. First, in step S121, it is determined whether or not the coolant temperature Tw is higher than the blown air temperature TE.
- step S121 when the cooling water temperature Tw is equal to or lower than the blown air temperature TE, the process proceeds to step S124, and it is determined to stop (OFF) the cooling water pump 40a.
- the cooling water flows to the heater core 36 when the cooling water temperature Tw is equal to or lower than the blown air temperature TE, the cooling water flowing through the heater core 36 cools the air after passing through the evaporator 15. Therefore, the temperature of the air blown from the outlet is lowered.
- step S122 it is determined whether the blower 32 is operating. When it is determined in step S122 that the blower 32 is not operating, the process proceeds to step S124, and it is determined to stop (OFF) the cooling water pump 40a for power saving.
- step S122 when it determines with the air blower 32 operating in step S122, it progresses to step S123 and determines operating the cooling water pump 40a (ON).
- the cooling water pump 40a operates and the cooling water circulates in the refrigerant circuit, so that the cooling air flowing through the heater core 36 and the air passing through the heater core 36 can be heat-exchanged to heat the blown air. .
- step S13 it is determined whether or not the seat air conditioner 90 needs to be operated.
- the operating state of the seat air conditioner 90 is based on the target blowing temperature TAO determined in step S5, the operating state of the PTC heater 37 determined in step S10, the vehicle interior target temperature Tset read in step S2, and the outside air temperature Tam. It is determined with reference to a control map stored in advance in the air conditioning control device 50.
- the seat air conditioner 90 Is to be activated (ON).
- the seat air conditioner 90 when the target blowing temperature TAO is 100 ° C. or higher, it is determined that the seat air conditioner 90 is operated (ON) regardless of the operating state of the PTC heater 37, the outside air temperature Tam, and the target temperature Tset. Furthermore, even if the condition for operating (ON) the seat air conditioner 90 is satisfied, the seat air conditioner 90 may be deactivated (OFF) when the economy switch of the operation panel 60 is turned on.
- step S14 the air conditioner control device 50 applies the various devices 32, 12a, 61, 62, 63, 64, 12a, 37, 40a, 80 to the control states determined in the above-described steps S5 to S13. Control signal and control voltage are output. Further, a request signal for the operation of engine EG and the required engine speed determined in step S11 is transmitted from request signal output means 50c to engine control device 70.
- step S15 the process waits for the control period ⁇ , and returns to step S2 when it is determined that the control period ⁇ has elapsed.
- the control cycle ⁇ is 250 ms. This is because the air conditioning control in the passenger compartment does not adversely affect the controllability even if the control period is slower than the engine control or the like. As a result, it is possible to suppress a communication amount for air conditioning control in the vehicle and sufficiently secure a communication amount of a control system that needs to perform high-speed control such as engine control.
- the vehicle air conditioner 1 of this embodiment operates as described above, the blown air blown from the blower 32 is cooled by the evaporator 15.
- the cold air cooled by the evaporator 15 flows into the heating cold air passage 33 and the cold air bypass passage 34 according to the opening degree of the air mix door 39.
- the cold air flowing into the heating cold air passage 33 is heated when passing through the heater core 36 and the PTC heater 37 and is mixed with the cold air that has passed through the cold air bypass passage 34 in the mixing space 35. Then, the conditioned air whose temperature has been adjusted in the mixing space 35 is blown out from the mixing space 35 into the vehicle compartment via each outlet.
- the motor side driving force is larger than the internal combustion engine side driving force than the required rotational speed output in the HV operation mode. Therefore, since the required rotational speed output in the EV operation mode in which the temperature of the cooling water is difficult to rise is higher, the temperature of the cooling water is increased to a sufficient temperature as a heat source for heating even in the EV operation mode. be able to.
- the air blown into the vehicle interior by the heater core 36 in the EV operation mode can be sufficiently heated, and sufficient heating of the vehicle interior can be realized.
- step S1106 when the outside air temperature Tam is equal to or lower than the reference outside air temperature regardless of the EV operation mode and the HV operation mode, the outside air temperature Tam becomes higher than the reference outside air temperature.
- the required rotational speed of the engine EG is increased as compared with the case where the engine EG is present.
- the cooling water temperature Tw is sufficient as a heating heat source when a high heating capacity is required as in a low outside air temperature.
- the temperature can be increased until it reaches a certain temperature.
- the outside air temperature Tam is higher than the reference outside air temperature, the required rotational speed of the engine EG is reduced, so that the fuel consumption of the engine EG can be reduced.
- step S1108 when the target temperature Tset is higher than the reference target temperature regardless of the EV operation mode and the HV operation mode, the target temperature Tset is lower than the reference target temperature. As a result, the required rotational speed of the engine EG is increased.
- the required rotational speed of the engine EG is increased with the increase in the target temperature Tset, when a high heating capacity is required by the occupant, until the cooling water temperature Tw becomes a sufficient temperature as a heating heat source. Can be raised. Further, when the target temperature Tset is equal to or lower than the reference target temperature, the required rotational speed of the engine EG is reduced, so that the fuel consumption of the engine EG can be reduced.
- steps S1112 to S1116 even in the EV operation mode, if at least one of the PTC heater 37 or the seat air conditioner 90 as the auxiliary heater is operating, these are operating.
- the request signal is output so that the required engine speed of the engine EG increases as compared to when the engine is not operating. Therefore, when a high heating capacity is required as in the case where the passenger's sense of warmth is assisted by the auxiliary heaters 37 and 90, the cooling water temperature Tw can be raised to a sufficient temperature as a heating heat source. it can.
- the electric heat defogger which is another auxiliary heater
- a request signal is output so that the required rotational speed of the engine EG is increased as compared with the case where it is not operating. Therefore, when high anti-fogging capability is required to prevent the vehicle window glass W from being fogged, the cooling water temperature Tw can be raised to a sufficient temperature as a heating heat source.
- step S1105 when the economy switch of the operation panel 60 is turned on, the auxiliary heaters 37 and 90 and the operation of the electric heat defogger are further operated regardless of the EV operation mode and the HV operation mode. Regardless of the state, the request signal is output so that the required rotational speed is lower than when the economy switch is not turned on.
- a request signal can be output so that the required rotational speed is reduced, and fuel consumption can be reduced to meet the occupant's will (that is, fuel saving needs). . Furthermore, a slight decrease in heating capacity does not cause discomfort for a passenger with high fuel efficiency awareness.
- steps S1111, 1115, and 1116 since the request signal is output so that the required rotational speed increases as the vehicle speed Vv increases, the traveling load increases as the vehicle speed Vv increases.
- the required rotation speed can be changed according to the above.
- the driving force ratio (motor side driving force / internal combustion engine side driving) is increased by increasing the required rotational speed of the engine EG.
- the driving force ratio is reduced by changing the control mode in step S11 of the first embodiment to reduce the motor-side driving force. To do.
- step S1103 in FIG. 6 the control flow following step S1103 in FIG. 6 is changed.
- steps S1104 to S1110 of FIG. 10 as in the first embodiment, whether or not the blower 32 is operating, whether or not the economy switch is turned on, and the outside air temperature Tam is greater than a predetermined reference outside air temperature.
- the air mix door 39 is at the maximum heating position, whether the target temperature Tset is higher than a predetermined reference target temperature, whether the vehicle interior temperature Tr is a predetermined reference vehicle It is determined whether the temperature is lower than the room temperature, whether the operation mode is the EV operation mode, or the HV operation mode.
- step S1104 when it is determined in step S1104 that the blower 32 is not operating, the process proceeds to step S1127, and it is determined that the motor side driving force is not reduced, and the process proceeds to step S12. The same applies to steps S1105 to S1109.
- step S1110 when it is determined in step S1110 that the operation mode is the HV operation mode, the process proceeds to step S1121, and it is determined to reduce the motor side driving force by 25%, and the process proceeds to step S12.
- step S1110 when it is determined in step S1110 that the EV operation mode is set, the process proceeds to S1112 shown in FIG.
- steps S1112 to S1114 as in the first embodiment, it is determined whether the PTC heater 37 is operating, whether the seat air conditioner is operating, and whether the electrothermal defogger is operating.
- step S1112 when it is determined in step S1112 that the PTC heater 37 is operating, the process proceeds to step S1126, where it is determined to reduce the motor-side driving force by ⁇ 75%, and the process proceeds to step S12.
- step S1125 if it is determined in step S1112 that the PTC heater 37 is operating, the process proceeds to step S1125, where it is determined to reduce the motor side driving force by ⁇ 50%, and the process proceeds to step S12.
- step S1110 when it is determined in step S1110 that the operation mode is the EV operation mode, the amount by which the motor-side driving force is reduced is larger than when the operation mode is determined to be the HV operation mode.
- a request signal is determined. That is, the request signal is determined so that the motor side driving force is reduced and the driving force ratio (motor side driving force / internal combustion engine side driving force) is lowered.
- the engine EG that reduces the motor-side driving force more than the case where none is operating.
- the required rotational speed is a high value.
- the amount by which the motor-side driving force is reduced is smaller than when the auxiliary heater is not operating.
- the request signal is determined so as to increase. Even in the EV mode, when the electrothermal defogger is in operation, the request signal is determined so that the amount by which the motor side driving force is reduced is greater than when the electrothermal defogger is not in operation.
- the request for lowering the driving force ratio in the EV operation mode in which the motor side driving force is larger than the internal combustion engine side driving force and the cooling water temperature Tw is difficult to increase. Since the signal is output, in order not to change the driving force for traveling the vehicle, the driving force on the internal combustion engine side is increased.
- the cooling water temperature Tw can be raised to a sufficient temperature as a heating heat source, and the blown air blown into the vehicle interior by the heater core 36 can be sufficiently heated. Heating can be realized.
- the driving force ratio As in the first embodiment, when a high heating capacity is required, the cooling water temperature Tw can be increased to a sufficient temperature as a heating heat source.
- steps S1112 to S1116 of FIG. 11 even when the EV operation mode is set, if the PTC heater 37 or the seat air conditioner 90 as the auxiliary heater is operating, these are operated. Since a request signal for lowering the driving force ratio is output as compared to the case where the heating power ratio is not high, the cooling water temperature Tw is sufficient as a heating heat source when a high heating capacity is required as in the first embodiment. Can be raised until
- the electrothermal defogger which is another auxiliary heater
- a request signal for lowering the driving force ratio is output than when the electrothermal defogger is not operating. Accordingly, as in the first embodiment, when a high anti-fogging capability is required to prevent the vehicle window glass W from being fogged, the cooling water temperature Tw is increased to a sufficient temperature as a heating heat source. Can do.
- step S1105 of FIG. 10 when the economy switch of the operation panel 60 is turned on, the driving force ratio is not lowered, so that the occupant's will (that is, the first embodiment) It is possible to achieve fuel savings that meet fuel saving needs).
- step S1104 to S1109 of FIG. 12 as in the first embodiment, whether or not the blower 32 is operating, whether or not the economy switch is turned on, and the outside air temperature Tam is determined from a predetermined reference outside air temperature. Whether the air mix door 39 is at the maximum heating position, whether the target temperature Tset is higher than a predetermined reference target temperature, whether the vehicle interior temperature Tr is a predetermined reference vehicle It is determined whether or not the temperature is lower than the room temperature.
- step S1104 when it is determined in step S1104 that the blower 32 is not operating, the process proceeds to step S1137, the operation mode determined in the chart of FIG. 9 is maintained, and the process proceeds to step S12. The same applies to subsequent steps S1105 to S1109. Further, in steps S1112 and S1113, as in the first embodiment, it is determined whether the PTC heater 37 is operating and whether the seat air conditioner is operating.
- step S1112 when it is determined in step S1112 that the PTC heater 37 is operating, the process proceeds to step S1136, and the operation mode is HV operation regardless of the operation mode determined in the chart of FIG. The mode is determined and the process proceeds to step S12.
- step S1112 when it is determined in step S1112 that the PTC heater 37 is not operating, the process proceeds to step S1125, and the operation mode determined in the chart of FIG. 9 is maintained.
- the vehicle air conditioner 1 of the present embodiment when a high heating capacity is required, such as when at least one of the PTC heater 37 and the seat air conditioner 90 is operating, the internal combustion engine By switching to the HV operation mode in which the side driving force is larger than the motor side driving force, the cooling water temperature Tw can be increased until it becomes a sufficient temperature as a heating heat source.
- the blower 32 is operating, the economy switch is not turned on, the outside air temperature Tam is lower than a predetermined reference outside air temperature, and the air mix door 39 is in the maximum heating position.
- the target temperature Tset is higher than the predetermined reference target temperature, and the vehicle interior temperature Tr is lower than the predetermined reference vehicle interior temperature, and the PTC heater 37 and the seat air conditioner.
- the condition for switching the operation mode to the HV operation mode is not limited to this.
- the operation mode may be switched to the HV operation mode.
- the target temperature Tset is equal to or higher than a predetermined reference target temperature
- the operation mode may be switched to the HV operation mode.
- the economy switch is not turned on, the operation mode may be switched to the HV operation mode.
- step S1104 of FIG. 13 it is determined whether the blower 32 is operating as in the first embodiment. If it is determined in step S1104 that the blower 32 is not operating, the process proceeds to step S1147, the operation mode determined in the chart of FIG. 9 is maintained, and the process proceeds to step S12.
- step S1104 if it is determined in step S1104 that the blower 32 is operating, the process proceeds to S1146, the electric heat defogger is operating, the air outlet mode is in the defroster mode, and the vehicle It is determined whether or not at least one condition is satisfied among the relative humidity in the vicinity of the window glass W being higher than 95%.
- step S1146 When it is determined in step S1146 that at least one of the above conditions is satisfied, the process proceeds to step S1148, and the operation mode is HV operation regardless of the operation mode determined in the chart of FIG. The mode is determined and the process proceeds to step S12. On the other hand, when it is determined in step S1146 that none of the above conditions is satisfied, the process proceeds to step S1147.
- the process proceeds to S1146, the electric heat defogger is operating, and the outlet mode is changed to the defroster mode.
- HV operation mode in which the internal combustion engine side driving force is greater than the motor side driving force when satisfying at least one of the above and the relative humidity in the vicinity of the vehicle window glass W being higher than 95%
- the cooling water temperature Tw can be raised to a temperature sufficient as a heat source for heating.
- the auxiliary heaters 37 and 90 are operated, Further, for example, in the first embodiment, the cooling water temperature Tw is increased by increasing the rotational speed of the engine EG in the EV operation mode than in the HV operation mode. Depending on the operating conditions, this control mode can be changed.
- the auxiliary heaters 37 and 90 are operated, The passenger's warmth can be fully satisfied.
- the amount of increase in the rotational speed of the engine EG in the EV operation mode is set to the engine in the HV operation mode. The amount of increase in the rotation speed of the EG may be reduced.
- the degree of decrease in the driving force ratio in the EV operation mode is reduced from the degree of decrease in the driving force ratio in the HV operation mode. You may let them.
- the operation mode is maintained in the operation mode determined in the chart of FIG. The mode may be switched to the HV operation mode.
- the electric heat defogger in the vehicle air conditioner 1 that is operated under the condition that the relative humidity in the vicinity of the vehicle window glass W is relatively low, a sufficient anti-fogging effect can be obtained because the electric heat defogger is activated. it can.
- the amount of increase in the rotational speed of the engine EG in the EV operation mode is set to the value of the engine EG in the HV operation mode. You may reduce the increase amount of rotation speed.
- the degree of decrease in the driving force ratio in the EV operation mode may be reduced from the degree of decrease in the driving force ratio in the HV operation mode.
- the operation mode is maintained at the operation mode determined in the chart of FIG. 9, and when it is not operating, the operation mode is set to HV operation. You may make it switch to a mode.
- the vehicle air conditioner 1 of the present invention has not been described in detail in the above-described embodiment with respect to the driving force for vehicle travel of the plug-in hybrid vehicle, the vehicle air conditioner 1 of the present invention is not engine EG.
- the present invention may be applied to a so-called parallel type hybrid vehicle that can travel by directly obtaining a driving force from both the traveling electric motor.
- the engine EG is used as a drive source of the generator 80, the generated power is stored in the battery 81, and the driving power is obtained from the traveling electric motor that operates by being supplied with the power stored in the battery 81.
- the present invention may also be applied to a so-called serial type hybrid vehicle that travels in a row.
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Abstract
Description
以下、図1-9を用いて本発明の第1実施形態を説明する。図1は、本実施形態の車両用空調装置1の全体構成図であり、図2は、車両用空調装置1の電気制御部の構成を示すブロック図である。本実施形態では、この車両用空調装置1を、内燃機関(エンジン)EGおよび走行用電動モータから車両走行用の駆動力を得るハイブリッド車両に適用している。
TAO=Kset×Tset-Kr×Tr-Kam×Tam-Ks×Ts+C…(F1)
ここで、Tsetは車室内温度設定スイッチによって設定された車室内設定温度、Trは内気センサ51によって検出された車室内温度(内気温)、Tamは外気センサ52によって検出された外気温、Tsは日射センサ53によって検出された日射量である。Kset、Kr、Kam、Ksは制御ゲインであり、Cは補正用の定数である。
SW=[{TAO-(TE+2)}/{TWD-(TE+2)}]×100(%)…(F2)
エアミックス前の温風温度TWDとは、加熱用冷風通路33に配置されたヒータコア36、およびPTCヒータ37の加熱能力に応じて決定される値であって、具体的には、次の数式F3により算出できる。
TWD=Tw×0.8+TE×0.2+ΔTptc…(F3)
ここで、Twは冷却水温度Twセンサ58によって検出された冷却水温度Tw、ΔTptcは、PTCヒータ37の作動による吹出温上昇量、すなわち吹出口から車室内へ吹き出される空調風の温度(吹出温)のうちPTCヒータ37の作動が寄与した温度上昇量である。本実施形態では、具体的に、ΔTptcは、PTCヒータ37の作動時には、10℃、非作動時には、0℃としている。
過する風量であるPTC通過風量Va(m3/h)を用いて、数式F4により演算できる
。
ΔTptc=W/ρ/Cp/Va×3600…(F4)
ここで、PTC通過風量Vaとしては、送風機32の送風空気量に対して、前回のステップS5で算出したエアミックス開度SWを考慮したものを用いている。
{(TAO-ΔTptc)-(TE×0.2)}/0.8…(F5)
なお、上記数式F5は、前述のステップS5にて説明したヒータコア14による吹出温上昇量(Tw×0.8+TE×0.2)とPTCヒータ37の作動による吹出温上昇量ΔTptcとの合計値がTAOと等しいものとして、Twの値を求めるように変形した式に相当する。
第1実施形態では、冷却水温度Twを暖房用熱源として充分な温度となるまで上昇させるために、エンジンEGの要求回転数が高くすることによって駆動力比(モータ側駆動力/内燃機関側駆動力)を低下させた例を説明したが、本実施形態では、第1実施形態のステップS11の制御態様を変更して、モータ側駆動力を低下させることによって駆動力比を低下させる例を説明する。
本実施形態では、第1実施形態のステップS11の制御態様を変更して、第1実施形態の図9の図表で説明した運転モードとしてEV運転モードが選択されている場合でも、これを駆動力比の低いHV運転モードに切り替えることで、冷却水温度Twを暖房用熱源として充分な温度となるまで上昇させる例を説明する。
本実施形態では、第3実施形態の変形例を説明する。つまり、運転モードとしてEV運転モードが選択されている場合でも、これを駆動力比の低いHV運転モードに切り替えることで、冷却水温度Twを暖房用熱源として充分な温度となるまで上昇させる例を説明する。
本発明は上述の実施形態に限定されることなく、本発明の趣旨を逸脱しない範囲内で、以下のように種々変形可能である。
Claims (19)
- 車両走行用の駆動力を出力する駆動源として、走行用電動モータおよび内燃機関(EG)を備える車両に適用され、
さらに、前記車両の運転モードとして、前記内燃機関(EG)から出力される内燃機関側駆動力が前記走行用電動モータから出力されるモータ側駆動力よりも大きくなる第1運転モード、および、前記モータ側駆動力が前記内燃機関側駆動力よりも大きくなる第2運転モードを有する車両に適用される空調装置であって、
前記内燃機関(EG)の冷却水を熱源として車室内へ送風される送風空気を加熱する加熱器(36)と、
前記車室内の暖房を行う際に、前記内燃機関(EG)の作動を制御する駆動力制御装置(70)に対して、前記内燃機関(EG)の回転数を増加させる要求信号を出力する要求信号出力手段(50a)とを備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記第2運転モード時に増加させた前記回転数よりも前記第1運転モード時に増加させた前記回転数が高くなる信号を出力することを特徴とする車両用空調装置。 - 外気温(Tam)を検出する外気温検出手段(52)を備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記外気温(Tam)の低下に伴って前記回転数を増加させる信号を出力することを特徴とする請求項1に記載の車両用空調装置。 - 乗員の操作によって車室内の目標温度(Tset)を設定する目標温度設定手段を備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記目標温度(Tset)の上昇に伴って前記回転数を増加させる信号を出力することを特徴とする請求項1または2に記載の車両用空調装置。 - 車室内の少なくとも一部の温度を上昇させる補助加熱器(37、90)を備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記補助加熱器(37、90)の作動時には、前記補助加熱器(37、90)の非作動時よりも前記回転数を増加させる信号を出力することを特徴とする請求項1ないし3のいずれか1つに記載の車両用空調装置。 - 乗員の操作によって、前記車室内の空調に必要とされる動力の省動力化を要求する省動力化要求信号を出力する省動力化要求手段を備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記省動力化要求信号が出力されている際には、前記省動力化要求信号が出力されていないときよりも前記回転数を低下させる信号を出力することを特徴とする請求項1ないし4のいずれか1つに記載の車両用空調装置。 - 車両走行用の駆動力を出力する駆動源として、走行用電動モータおよび内燃機関(EG)を備える車両に適用され、
さらに、前記車両の運転モードとして、前記内燃機関(EG)から出力される内燃機関側駆動力が前記走行用電動モータから出力されるモータ側駆動力よりも大きくなる第1運転モード、および、前記モータ側駆動力が前記内燃機関側駆動力よりも大きくなる第2運転モードを有する車両に適用される車両用空調装置であって、
前記内燃機関(EG)の冷却水を熱源として車室内へ送風される送風空気を加熱する加熱器(36)と、
前記第2運転モード時に前記車室内の暖房を行う際に、前記内燃機関(EG)および前記走行用電動モータの作動を制御する駆動力制御装置(70)に対して、前記内燃機関側駆動力に対する前記モータ側駆動力の駆動力比を低下させる要求信号を出力する要求信号出力手段(50a)とを備えることを特徴とする車両用空調装置。 - 外気温(Tam)を検出する外気温検出手段(52)を備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記外気温(Tam)の低下に伴って前記駆動力比を低下させる信号を出力することを特徴とする請求項6に記載の車両用空調装置。 - 乗員の操作によって車室内の目標温度(Tset)を設定する目標温度設定手段を備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記目標温度の上昇に伴って前記駆動力比を低下させる信号であることを特徴とする請求項6または7に記載の車両用空調装置。 - 車室内の少なくとも一部の温度を上昇させる補助加熱器(37、90)を備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記補助加熱器(37、90)の作動時には、前記補助加熱器(37、90)の非作動時よりも前記駆動力比を低下させる信号を出力することを特徴とする請求項6ないし8のいずれか1つに記載の車両用空調装置。 - 乗員の操作によって、前記車室内の空調に必要とされる動力の省動力化を要求する省動力化要求信号を出力する省動力化要求手段を備え、
前記要求信号出力手段(50a)は、前記要求信号として、前記省動力化要求信号が出力されている際には、前記省動力化要求信号が出力されていないときよりも前記駆動力比を増加させる信号を出力することを特徴とする請求項6ないし9のいずれか1つに記載の車両用空調装置。 - 車両走行用の駆動力を出力する駆動源として、走行用電動モータおよび内燃機関(EG)を備える車両に適用され、
さらに、前記車両の運転モードとして、前記内燃機関(EG)から出力される内燃機関側駆動力が前記走行用電動モータから出力されるモータ側駆動力よりも大きくなる第1運転モード、および、前記モータ側駆動力が前記内燃機関側駆動力よりも大きくなる第2運転モードを有する車両に適用される車両用空調装置であって、
前記内燃機関(EG)の冷却水を熱源として車室内へ送風される送風空気を加熱する加熱器(36)と、
前記第2運転モード時に前記車室内の暖房を行う際に、予め定めた所定条件が成立したときに前記内燃機関(EG)および前記走行用電動モータの作動を制御する駆動力制御装置(70)に対して、前記第1運転モードでの運転に切り替えることを要求する要求信号を出力する要求信号出力手段(50a)とを備えることを特徴とする車両用空調装置。 - 外気温(Tam)を検出する外気温検出手段(52)を備え、
前記所定条件が成立したときとは、前記外気温(Tam)が予め定めた基準外気温以下となったときであることを特徴とする請求項11に記載の車両用空調装置。 - 乗員の操作によって車室内の目標温度(Tset)を設定する目標温度設定手段を備え、
前記所定条件が成立したときとは、前記目標温度(Tset)が予め定めた基準目標温度以上となったときであることを特徴とする請求項11または12に記載の車両用空調装置。 - 車室内の少なくとも一部の温度を上昇させる補助加熱器(37、90)を備え、
前記所定条件が成立したときとは、前記補助加熱器(37、90)が作動しているときであることを特徴とする請求項11ないし13のいずれか1つに記載の車両用空調装置。 - 乗員の操作によって、前記車室内の空調に必要とされる動力の省動力化を要求する省動力化要求信号を出力させる省動力化要求手段を備え、
前記所定条件が成立したときとは、前記省動力化要求信号が出力されていないときであることを特徴とする請求項11ないし14のいずれか1つに記載の車両用空調装置。 - 車両窓ガラス(W)近傍の湿度を検出する湿度検出手段を備え、
前記所定条件が成立したときとは、前記湿度検出手段によって検出された湿度が予め定めた基準湿度以上となったときであることを特徴とする請求項11ないし15のいずれか1つに記載の車両用空調装置。 - 少なくとも車両窓ガラス(W)に向けて前記送風空気を吹き出すデフロスタ吹出口(26)を含む複数の吹出口(25、26、27)から吹き出される風量割合を切り替えることによって、複数の吹出口モードを切り替える吹出口モード切替部(24a、25a、26a)を備え、
前記所定条件が成立したときとは、前記吹出口モード切替部(24a、25a、26a)が、前記デフロスタ吹出口(26)から前記送風空気を吹き出すデフロスタモードに切り替えたときであることを特徴とする請求項11ないし15のいずれか1つに記載の車両用空調装置。 - 前記補助加熱器(37、90)は、乗員が着座するシートの温度を上昇させるシート加熱器(90)であることを特徴とする請求項4、9、14のいずれか1つに記載の車両用空調装置。
- 前記補助加熱器(37、90)は、車両窓ガラス(W)を加熱する窓ガラス加熱手段であることを特徴とする請求項4、9、14のいずれか1つに記載の車両用空調装置。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170001494A1 (en) * | 2013-12-16 | 2017-01-05 | Byd Company Limited | Air conditioning system, method for controlling the same and hybrid vehicle |
US20170225540A1 (en) * | 2014-12-18 | 2017-08-10 | Denso Corporation | Air conditioner for vehicle |
JPWO2017047302A1 (ja) * | 2015-09-15 | 2018-02-08 | 株式会社デンソー | エンジン制御装置、空調システム、および、空調制御装置に用いるプログラム |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5928225B2 (ja) * | 2012-07-31 | 2016-06-01 | 株式会社デンソー | 車両用空調装置 |
JP6252186B2 (ja) * | 2014-01-15 | 2017-12-27 | 株式会社デンソー | 車両用熱管理システム |
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KR20170012770A (ko) * | 2015-07-23 | 2017-02-03 | 현대자동차주식회사 | 하이브리드 차량의 난방 시스템 및 그 제어방법 |
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CN110053450A (zh) * | 2019-05-08 | 2019-07-26 | 泰铂(上海)环保科技股份有限公司 | 一种新型发动机循环水加热空调系统及其控制方法 |
CN112848838B (zh) * | 2021-01-18 | 2022-10-28 | 中国第一汽车股份有限公司 | 一种车用低温高速工况防起雾控制方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09233601A (ja) * | 1996-02-29 | 1997-09-05 | Toyota Motor Corp | ハイブリッド車両 |
JPH10203145A (ja) * | 1997-01-28 | 1998-08-04 | Toyota Motor Corp | ハイブリッド車用の暖房制御装置 |
JP2000225832A (ja) * | 1999-02-03 | 2000-08-15 | Toyota Motor Corp | 車両用制御装置 |
JP2005319910A (ja) * | 2004-05-10 | 2005-11-17 | Toyota Motor Corp | 自動車の暖房制御システム |
JP2005337173A (ja) * | 2004-05-28 | 2005-12-08 | Toyota Motor Corp | ハイブリッド車およびその制御方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3169655B2 (ja) * | 1991-11-27 | 2001-05-28 | 本田技研工業株式会社 | 車両用エアコンディショニングシステム |
JP3267993B2 (ja) * | 1991-11-27 | 2002-03-25 | 本田技研工業株式会社 | 車両用エアコンディショニングシステム |
US5291960A (en) * | 1992-11-30 | 1994-03-08 | Ford Motor Company | Hybrid electric vehicle regenerative braking energy recovery system |
JP4218123B2 (ja) * | 1999-04-15 | 2009-02-04 | 株式会社デンソー | 空調装置 |
JP3633482B2 (ja) * | 2001-01-16 | 2005-03-30 | 株式会社デンソー | ハイブリッド車両およびその空調装置 |
JP4211242B2 (ja) * | 2001-06-06 | 2009-01-21 | アイシン・エィ・ダブリュ株式会社 | ハイブリッド車両の制御装置 |
JP4453224B2 (ja) * | 2001-06-08 | 2010-04-21 | 株式会社デンソー | 車両用空調装置 |
JP4321594B2 (ja) | 2007-01-17 | 2009-08-26 | 株式会社デンソー | 車両用空調装置 |
FR2912688B1 (fr) * | 2007-02-16 | 2009-08-28 | Renault Soc Par Actions Simpli | Procede de regulation du confort thermique pour un vehicule a arret et depart du moteur |
US20090071178A1 (en) * | 2007-09-14 | 2009-03-19 | Gm Global Technology Operations, Inc. | Vehicle HVAC and Battery Thermal Management |
JP4475436B2 (ja) * | 2007-12-10 | 2010-06-09 | 本田技研工業株式会社 | 車両の制御装置 |
US8347642B2 (en) * | 2007-12-10 | 2013-01-08 | Honda Motor Co., Ltd. | HVAC controller for vehicle |
EP2335955B1 (en) * | 2008-09-08 | 2012-12-19 | Toyota Jidosha Kabushiki Kaisha | Vehicular control device |
JP2010221545A (ja) | 2009-03-24 | 2010-10-07 | Dainippon Printing Co Ltd | ホワイトボード |
JP2010247799A (ja) * | 2009-04-20 | 2010-11-04 | Denso Corp | 車載装置の制御システム |
-
2010
- 2010-09-30 JP JP2010221545A patent/JP5531889B2/ja not_active Expired - Fee Related
-
2011
- 2011-09-05 WO PCT/JP2011/004950 patent/WO2012042751A1/ja active Application Filing
- 2011-09-05 US US13/822,185 patent/US20130168458A1/en not_active Abandoned
- 2011-09-05 CN CN201180047283.XA patent/CN103209846B/zh not_active Expired - Fee Related
- 2011-09-05 DE DE112011103302T patent/DE112011103302T5/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09233601A (ja) * | 1996-02-29 | 1997-09-05 | Toyota Motor Corp | ハイブリッド車両 |
JPH10203145A (ja) * | 1997-01-28 | 1998-08-04 | Toyota Motor Corp | ハイブリッド車用の暖房制御装置 |
JP2000225832A (ja) * | 1999-02-03 | 2000-08-15 | Toyota Motor Corp | 車両用制御装置 |
JP2005319910A (ja) * | 2004-05-10 | 2005-11-17 | Toyota Motor Corp | 自動車の暖房制御システム |
JP2005337173A (ja) * | 2004-05-28 | 2005-12-08 | Toyota Motor Corp | ハイブリッド車およびその制御方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170001494A1 (en) * | 2013-12-16 | 2017-01-05 | Byd Company Limited | Air conditioning system, method for controlling the same and hybrid vehicle |
US10059172B2 (en) * | 2013-12-16 | 2018-08-28 | Byd Company Limited | Air conditioning system, method for controlling the same and hybrid vehicle |
US20170225540A1 (en) * | 2014-12-18 | 2017-08-10 | Denso Corporation | Air conditioner for vehicle |
JPWO2017047302A1 (ja) * | 2015-09-15 | 2018-02-08 | 株式会社デンソー | エンジン制御装置、空調システム、および、空調制御装置に用いるプログラム |
US10625569B2 (en) | 2015-09-15 | 2020-04-21 | Denso Corporation | Engine controller, air conditioning system, and program for air-conditioning controller |
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