WO2008072683A1 - 車両用冷却ファン制御システムと車両用冷却ファンの制御方法 - Google Patents
車両用冷却ファン制御システムと車両用冷却ファンの制御方法 Download PDFInfo
- Publication number
- WO2008072683A1 WO2008072683A1 PCT/JP2007/073996 JP2007073996W WO2008072683A1 WO 2008072683 A1 WO2008072683 A1 WO 2008072683A1 JP 2007073996 W JP2007073996 W JP 2007073996W WO 2008072683 A1 WO2008072683 A1 WO 2008072683A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fan motor
- air conditioner
- cooling fan
- set time
- compressor
- 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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
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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
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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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00828—Ventilators, e.g. speed control
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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
- B60H1/32—Cooling devices
- B60H2001/3269—Cooling devices output of a control signal
- B60H2001/3276—Cooling devices output of a control signal related to a condensing unit
- B60H2001/3277—Cooling devices output of a control signal related to a condensing unit to control the air flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/048—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using electrical drives
Definitions
- the present invention relates to a control system for a cooling fan for a vehicle, and particularly relates to a control of an external control type cooling fan applied to a refrigeration cycle of an air conditioner for a vehicle and a control method for a cooling fan for a vehicle.
- a cooling fan (hereinafter referred to as a rager) that cools a power system of a vehicle and simultaneously cools a condenser included in a refrigeration cycle of an air conditioner 2.
- a vehicle cooling fan control system that may be referred to as “tahuan”.
- a cooling fan in a vehicle cooling fan control system is not required for the cooling capacity of the radiator when the key switch of the vehicle is turned off or when the key switch is turned on and the engine is stopped.
- the cooling fan is operated, stopped, or the number of revolutions is controlled in order to supply the air necessary for cooling the included capacitors.
- the cooling fan is activated, stopped, or the number of revolutions is controlled based on information on vehicle speed, engine coolant temperature, air conditioner ON / OFF operation, and compressor discharge pressure. ing.
- an engine stop function works during idling, so that it is not necessary to send air to a radiator for cooling the engine. Under this condition, when the air conditioner is switched from ON to OFF, the fan motor of the cooling fan is controlled to stop, and its rotation speed decreases.
- the cooling fan When the cooling fan is stopped, the cooling fan resonates with the cooling fan and the equipment in the vicinity thereof in the process of decreasing the rotation speed, and generates a singular sound.
- At least one object of the present invention is to provide a vehicle cooling fan control system in which a singular noise due to a decrease in the number of rotations of the cooling fan does not occur even when the air conditioner is stopped when the passenger compartment is quiet.
- the object is to provide a method for controlling a cooling fan for a vehicle.
- the vehicle cooling fan control system of the present invention externally controls the fan motor of the cooling fan so as to maintain the cooling capacity of the condenser that cools the refrigerant sent from the compressor included in the refrigeration cycle of the air conditioner.
- Control means for determining, determination means for determining whether the passenger compartment is calm, identification means for identifying whether or not the air conditioner is operating, and a predetermined set time are set in advance. If the determination means determines that the passenger compartment is quiet and the identification means determines that the air conditioner is operating on the condition that the condition for stopping the air conditioner is satisfied, the setting is performed. Timer means for starting counting the time, and when the timer means starts counting the set time, the control means elapses. Until, to run the fan motor at a predetermined rotational speed.
- the vehicular cooling fan control system includes an evaporator included in the refrigeration cycle of the air condenser, a temperature sensor that detects a temperature of an outlet of the evaporator, and the evaporator of the evaporator.
- a setting means for setting a target temperature of the outlet, and the temperature of the outlet of the evaporator detected by the temperature sensor A compressor that controls a discharge pressure of the compressor so as to approach the target temperature set by the setting means, and releases a compressor operation request signal to the compressor when the stop condition of the air conditioner is satisfied.
- the fan motor control means operates the fan motor when the compressor operation request signal is generated, and the timer means starts counting the set time. Changes the temperature difference between the temperature at the outlet of the evaporator detected by the temperature sensor and the target temperature to a zero value without releasing the compressor operation request signal until the set time elapses. And a fan motor stop avoiding means.
- the vehicle cooling fan control system further includes timer input means that allows an arbitrary time counted by the timer means to be input, and the control means includes the fan A fan motor rotation speed sensor that detects the rotation speed of the motor, and the rotation speed of the fan motor is detected in synchronization with the start of counting of the set time, and from the detected rotation speed of the fan motor, The resonance arrival time until the rotation speed of the fan motor reaches the resonance rotation speed is calculated, and the difference between the time input by the timer input means and the resonance arrival time is calculated by the timer means.
- Timer input value correcting means for setting as the set time to be counted.
- control means changes the set target temperature to the temperature at the outlet of the evaporator detected by the temperature sensor. , Generating a zero value of the temperature difference.
- another vehicle cooling fan control system of the present invention has a fan motor, and cools the refrigerant sent from the compressor power included in the refrigeration cycle of the air conditioner by blowing air by rotation of the fan motor.
- a cooling fan that cools the condenser for cooling, and a control unit that externally controls the fan motor of the cooling fan so as to maintain the cooling capacity of the capacitor. It is determined whether or not the vehicle is quiet, and whether the air conditioner is operating! / Is determined, and the vehicle is determined to be quiet on the condition that the air conditioner stop condition is satisfied. And when the air conditioner is activated! /, It is counted that the preset time has been set. When the count is started, the fan motor is operated at a predetermined rotation speed until the set time elapses.
- the method for controlling a cooling fan for a vehicle includes determining whether or not a passenger compartment is quiet, identifying whether or not an air conditioner is operating, Starts counting for a preset set time when it is determined that the passenger compartment is quiet and the air conditioner is operating! /, Provided that the stop condition is met.
- a cooling fan that cools the condenser for cooling the refrigerant sent from the compressor included in the refrigeration cycle of the air conditioner by blowing until the set time elapses. Operating the fan motor at a predetermined rotational speed.
- FIG. 1 is a schematic overall configuration diagram of a vehicle cooling fan control system according to the present embodiment.
- FIG. 2 is a flowchart showing processing of a control unit included in the vehicle cooling fan control system of the present embodiment.
- Evaporator target outlet temperature setting device Evaporator target outlet temperature setting device 23
- Control unit Quiet condition determination means, air conditioner operation identification means, timer means, fan motor stop avoidance means, timer input value correction means
- Compressor control unit (compressor control means)
- Timer input device (Timer input means)
- FIG. 1 is a schematic overall configuration diagram of an engine (water-cooled internal combustion engine) cooling device and an air conditioner (cooling / heating device) to which the vehicle cooling fan control system of this embodiment is applied.
- the engine 3, the radiator 6, and the power are connected by an inlet pipe and an outlet pipe of the cooling water, and in the circulation path of the cooling water, a water pump 9 for circulating the cooling water, a cooling water
- a thermostat 8 that automatically controls the flow of coolant into the engine based on the temperature of the engine.
- the arrows in Fig. 1 indicate the direction of cooling water flow.
- the externally controlled compressor 4 is driven by the engine 3 or a motor (not shown), and the refrigerant by the low-temperature and low-pressure gas sent from the evaporator 14 is converted into a high-pressure and high-temperature gas. Send to.
- the condenser 7 is disposed in front of the radiator 6 and is a wind obtained by the traveling wind or the cooling fan 1, and cools the high-pressure and high-temperature refrigerant to the condensation point and sends it to the liquid tank 10 as a high-pressure and medium-temperature liquid.
- the liquid tank 10 removes moisture and dust contained in the refrigerant by the high-pressure medium-temperature liquid sent from the condenser 7, accumulates the refrigerant so that it can be smoothly supplied, and sends it to the temperature type automatic expansion valve 11.
- the temperature type automatic expansion valve 11 abruptly expands the refrigerant of the high-pressure and medium-temperature liquid sent from the liquid tank 10 to form a low-temperature and low-pressure mist and sends it to the evaporator 14.
- the evaporator 14 evaporates the mist-like refrigerant sent from the temperature type automatic expansion valve 11 while taking heat from the air in the vehicle sent by the blower fan 13 to form a low-pressure low-temperature gas.
- the gas refrigerant is sent to the compressor 4.
- an evaporator outlet temperature sensor 20 is provided at a position immediately after the evaporator 14 outlet.
- the cooling fan 1 has a fan motor 2 that is operated with a terminal voltage of the alternator 15 driven by the engine 3 or not shown!
- the motor drive voltage is PWM controlled, and the condenser cooling capacity is variably controlled by the operation of the fan motor 2.
- PWM changes the duty ratio according to the input signal. This is a pulse width modulation method for adjusting the current to flow.
- an operation request signal for the compressor 4 is input to the fan motor 2, and when the compressor 4 is operated, the fan motor 2 is operated accordingly.
- the operation request signal of the compressor 4 is a trigger signal for operating the compressor for obtaining the minimum discharge pressure of the compressor 4, and the discharge pressure control of the compressor 4 is detected by the evaporator outlet temperature sensor 20. It is automatically controlled by the magnitude of the temperature difference between the evaporator outlet temperature and the evaporator target outlet temperature setting device set by the evaporator target outlet temperature setting device.
- the discharge pressure of the compressor 4 is controlled so that the outlet temperature of the evaporator approaches the target temperature, and the differential temperature 1S is preset.
- the discharge pressure is controlled to be smaller.
- the blower fan 13 is operated by a blower fan motor 12, sucks in the inside air, which is air in the vehicle interior, and pumps it to the evaporator 14 to send out the cooled air into the vehicle interior.
- the control unit 23 includes vehicle speed information from the vehicle speed sensor 16, engine cooling water temperature information from the engine cooling water sensor 17, switch signal from the air conditioner switch 18, and discharge provided in the middle of the outlet side pipe of the liquid tank 10.
- Compressor discharge capacity information from pressure sensor 19 evaporator outlet temperature sensor 20 from evaporator outlet temperature information, evaporator target outlet temperature setting means 21 from evaporator target outlet temperature setting information, from engine speed sensor 22 for detecting engine speed
- the engine speed, the timer input value from the timer input device 27, the blower fan air volume sensor 28 from the blower fan air volume information, and the fan motor speed sensor 29 from the fan motor speed sensor 29 are taken in.
- control unit 23 incorporates necessary information such as inside air sensor information, outside air sensor information, and solar radiation sensor information.
- the time input by the timer input device 27 satisfies the air conditioner stop condition.
- the time for forcibly operating the fan motor 2 is used to calculate the set time counted by the timer means (step S11).
- the control unit 23 outputs a fan motor control unit 26 that calculates the duty ratio to be output to the fan motor 2, and the calculation processing result of various input information (vehicle speed, engine speed, etc.) in the fan motor control unit 26.
- the PWM amplifier 30 that outputs a duty signal to the PWM module 24, the compressor control unit 25 that calculates the duty ratio output to the compressor 4, and various input information (evaporator outlet temperature, evaporator target) in the compressor control unit 26
- the ECV amplifier 30 outputs a duty signal to the control valve 5 of the compressor 4 according to the calculation processing result of the outlet temperature.
- the PWM module 24 is connected to a terminal of the alternator 15 and a battery terminal (not shown).
- FIG. 2 is a flowchart for explaining the operation along the processing performed by the control unit 23 in the vehicular cooling fan control system having this configuration. Each step will be described in detail below.
- step S1 it is determined whether or not the air conditioner is operating based on the air volume information of the blower fan 13 detected by the blower fan air volume sensor 28. On condition that the blower fan is operating, it is determined that the air conditioner is operating, and the process proceeds to step S2.
- step S2 whether or not there is a request for operating the air conditioner is determined based on the ON / OFF state of the air conditioner switch. If an air conditioner operation request is confirmed, the process proceeds to step S3.
- step S3 a counting time force S is reset by a timer described later, and the process proceeds to step S4.
- step S4 since the air conditioner switch is ON, a compressor operation request signal is sent, and the operation of the compressor 4 included in the air conditioner refrigeration cycle is maintained.
- step S5 the processing from step S5 is executed. Be started.
- step S5 the engine speed detected by the engine speed sensor 22 is detected.
- the rotation speed is equal to or lower than a preset rotation speed.
- the force at which 2000 rpm is set for the engine speed is not limited to this.
- the engine speed is determined so that when the resonance sound is generated by the rotation of the cooling fan 1, a quiet state where the passenger does not feel the resonance sound, or a quiet state where the passenger feels no uncomfortable feeling. As appropriate, it is set. If the detected engine speed is less than or equal to the set engine speed, the process proceeds to step S6.
- step S6 it is determined whether or not the vehicle speed detected by the vehicle speed sensor 16 is equal to or lower than a preset vehicle speed.
- the vehicle speed is set to 20 km / h, but is not limited to this.
- This vehicle speed is based on a quiet state in which the resonance sound is not felt by the passenger when the cooling fan 1 rotates, or a quiet state in which the passenger does not feel uncomfortable when it is felt. Thus, it is set as appropriate. If the detected vehicle speed is less than or equal to the set vehicle speed, the process proceeds to step S7.
- step S7 the presence / absence of an operation request signal for the compressor 4 is determined.
- the operation request signal of the compressor 4 is canceled (the compressor 4 is stopped).
- the operation request signal of the compressor 4 is canceled ( Whether or not to perform the compressor 4 stop process) is determined after the process described below.
- step S8 the current fan motor speed detected by the fan motor speed sensor 29 is confirmed, and the speed is classified into all three categories according to the preset speed categories. .
- the rotation speed of the fan motor 2 that is operating according to the compressor operation request signal is reduced to the rotation speed in the resonance region after the fan motor 2 is stopped by releasing the compressor operation request signal. It is related to the time to reach (hereinafter referred to as “resonance arrival time”). This resonance arrival time is used to correct the input time described later, and is used to generate a set time counted by a timer. The number of fan motor revolutions can be selected as appropriate.
- step S9 the duration of processing in step S12 described later is set (hereinafter referred to as "set time").
- set time the resonance arrival calculated by the input time correction unit 100 of the fan motor control unit 26 according to the rotation speed of the fan motor 2 classified in step S8 from the time input by the external timer input device 27.
- the time is deducted and the remaining time is stored in the timer means (step S9a, S9b or S9c) as the set time counted by the timer means (step SI1).
- Step S9a In the vehicle cooling fan control system of the present embodiment, depending on the number of rotations of the fan motor 2, three types of setting times for the input time, for example, 120 seconds, 140 seconds, and 160 seconds are generated ( Step S9a, Step S9b, or Step S9c).
- the minimum 120 seconds is not limited to a force that takes into consideration the signal waiting state. Note that this set time is shorter than the input time by the resonance arrival time, and the resonance arrival time becomes longer as the cooling fan speed increases.
- step S10 the timer means (step S11) described later proceeds to step S11 if the set time set in step S9 has not been counted!
- step S11 the counting unit of the timer means counts the elapsed time from the count start time to the present, and proceeds to step S12.
- step S12 the air conditioner stop condition (step S1 or S2) is satisfied, but the compressor request signal is not canceled until the set time has elapsed.
- the controller control unit 26 changes the temperature set by the evaporator target outlet temperature setting means 21 to the evaporator outlet temperature detected by the evaporator outlet temperature sensor 20, that is, between the target outlet temperature and the detected outlet temperature.
- step S12 although the compressor request signal is released,
- Compressor S4 has a discharge pressure of zero and is virtually not operating or operating with the least amount of work!
- the zero value of the differential temperature is generated in the fan motor control unit 26 by changing the evaporator target outlet temperature to the detected evaporator outlet temperature.
- step S10 If the time exceeding the set time is counted in step S10, the process proceeds to step S13. That is, after the set time has elapsed, normal control is performed, the compressor operation request signal is canceled, the compressor 4 is stopped, and the fan motor 2 is stopped.
- step S5 If an engine speed exceeding a preset engine speed is detected in step S5, or a vehicle speed exceeding the preset vehicle speed is detected in step 6 above. If the specified condition is satisfied because the passenger compartment is not calm, the process proceeds to step S14, the timer force S reset halfway is reset, and the process proceeds to step S15. The operation request signal is canceled and the compressor 4 is stopped, and the fan motor 2 is also stopped.
- step S5 and step S6 correspond to the quiet condition determination means
- step S7 corresponds to the air conditioner operation identification means
- step S8 corresponds to the fan motor rotational speed sensor
- step Sll corresponds to timer means
- Step S12 corresponds to fan motor stop avoidance means.
- the stop condition of the air conditioner is satisfied. Then, first, whether or not the calm condition is satisfied is determined by the calm condition determining means (steps S5 and S6).
- step S7 identifies whether the air conditioner is operating, and the operation of the air conditioner is identified.
- the timer means starts counting a preset time, and the fan motor 2 is maintained at a predetermined rotational speed by the fan motor control unit 26 until the preset time elapses.
- the fan motor 2 is configured to maintain the operation of the fan motor 2 when the compressor operation request signal is generated! /.
- the compressor 4 is operated by a compressor operation request signal, and the evaporator outlet temperature is controlled to approach the evaporator target outlet temperature.
- the air conditioner stop condition for example, when the air conditioner switch is turned OFF, the set time is counted and the compressor operation request signal is output until the set time elapses.
- the target outlet temperature of the evaporator 14, which is not released, is made to match the actual outlet temperature.
- the timer input value correction unit calculates the resonance arrival time until the rotation speed of the fan motor 2 at the start of the count reaches the resonance rotation speed, and is input by the timer input device 27. By subtracting the resonance arrival time from this time, this time is changed to the set time counted by the timer means (step S11). That is, after the cooling fan is stopped, the time until the rotation speed reaches the resonance rotation speed due to inertia is taken into account, and the cooling fan 1 is stopped earlier than the time input by the timer input device 27 to save power. It is possible to realize a vehicle cooling fan control system that eliminates the peculiar noise while trying.
- the operation of the information for controlling the operation of the compressor 4 is stopped, or the compressor 4 is stopped or brought into a state with the least amount of work, Since the number of rotations of the cooling fan 1 can also be maintained, a vehicle cooling fan control system excellent in energy saving and quietness can be easily realized.
- the present invention is not limited to this embodiment, and design changes and additions are permitted without departing from the spirit of the invention according to the claims.
- the force that is configured so that the elapsed time of the timer means becomes three stages of steps S9a to S9c according to the number of rotations of the cooling fan 1 is not limited to this. It is good also as a step or more.
- the fan that maintains the fan motor speed at the start of the count is maintained.
- the motor rotational speed may be lowered to a level close to the resonant rotational speed. In this case, energy saving is improved.
- Control means for externally controlling the fan motor of the cooling fan so as to maintain the cooling capacity of the capacitor that cools the refrigerant sent from the compressor included in the refrigeration cycle of the air conditioner;
- a predetermined set time is set in advance, and it is determined by the determining means that the passenger compartment is calm on the condition that the condition for stopping the air conditioner is satisfied, and the air conditioner is operated by the identifying means. When the set time is counted. Timer means for starting
- the control means is a vehicle cooling fan control system that operates the fan motor at a predetermined rotational speed until the set time elapses when the timer means starts counting the set time.
- the fan motor of the cooling fan is controlled so as to maintain the cooling capacity of the capacitor that cools the refrigerant sent from the compressor. Therefore, when the air conditioner is stopped, unless the radiator cooling is required. , The compressor and condenser are stopped, and the cooling fan is stopped.
- the air conditioner stop condition when the air conditioner stop condition is satisfied, it is first determined whether or not the calm condition is satisfied by the calm condition determining means.
- This quiet condition is set, for example, by information on traveling speed and engine speed.
- the air conditioner operation identifying means identifies whether the air conditioner is operating.
- the timer means establishes the preset condition. Counting of the time is started, and the fan motor is maintained at a predetermined rotational speed by the fan motor control means until the set time elapses.
- the rotation speed of the fan motor is, for example, when the rotation speed of the fan motor is not variable
- a temperature sensor for detecting the temperature of the outlet of the evaporator
- Setting means for setting a target temperature of the outlet of the evaporator;
- the discharge pressure of the compressor is controlled so that the temperature of the outlet of the evaporator detected by the temperature sensor approaches the target temperature set by the setting means, and the stop condition of the air conditioner is
- a compressor control means for canceling a compressor operation request signal to the compressor when the condition is satisfied;
- the fan motor control means operates the fan motor when the compressor operation request signal is generated, and starts counting the set time by the timer means until the set time elapses.
- Fan motor stop avoiding means for changing the temperature difference between the temperature at the outlet of the evaporator and the target temperature detected by the temperature sensor without releasing the compressor operation request signal to a zero value (1) Vehicle cooling fan control system described in 1.
- the fan motor maintains the operation of the fan motor when the compressor operation request signal is generated! I try to do it.
- the compressor is controlled by a compressor operation request signal, and the evaporator outlet temperature is controlled to approach the evaporator target outlet temperature.
- the air conditioner stop condition for example, when the air conditioner switch is turned OFF, the set time is counted and the compressor operation request signal is output until the set time elapses.
- the target outlet temperature of the evaporator that is not released is matched with the actual outlet temperature.
- Timer input enabling input of arbitrary time counted by the timer means Further comprising means,
- a fan motor rotational speed sensor for detecting the rotational speed of the fan motor
- the rotation speed of the fan motor is detected in synchronization with the start of counting of the set time, and the rotation speed of the fan motor reaches the resonance rotation speed from the detected rotation speed of the fan motor.
- a timer input value correcting means for setting the difference between the time input by the timer input means and the resonance arrival time as the set time to be powered by the timer means, The vehicle cooling fan control system according to (1) or (2).
- the timer input value correcting means may be configured such that the rotational speed force of the fan motor at the start of the counting is Calculate the resonance arrival time until the number of resonance rotations is reached, subtract the time force resonance arrival time input by the timer input means, and change this time to the set time counted by the timer means.
- the control means generates the outlet value of the differential temperature by changing the set target temperature to the temperature of the outlet of the evaporator detected by the temperature sensor.
- the operation of the compressor is controlled in the existing vehicle cooling fan control system according to the invention described in (2) or (3)!
- the compressor is stopped or put into the state with the least amount of work, and the number of rotations of the cooling fan can be maintained. Therefore, the vehicle cooling fan control system and vehicle cooling that are easy to save energy and quiet.
- a fan control method can be realized.
- a fan motor is provided, and a condenser for cooling the refrigerant sent from the compressor included in the refrigeration cycle of the air conditioner is cooled by air blown by the rotation of the fan motor.
- a cooling fan to be rejected
- a control unit for controlling the fan motor of the cooling fan from the outside so as to maintain the cooling capacity of the condenser
- the controller is
- a vehicle cooling fan control system configured to operate the fan motor at a predetermined rotational speed until the set time elapses when counting of the set time is started.
- a method for controlling a cooling fan for a vehicle comprising operating a motor at a predetermined rotational speed.
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US12/310,561 US8428817B2 (en) | 2006-12-15 | 2007-12-13 | Vehicle cooling fan control system and vehicle cooling fan control method |
CN2007800321087A CN101511618B (zh) | 2006-12-15 | 2007-12-13 | 车用冷却风扇控制系统和车用冷却风扇的控制方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-338860 | 2006-12-15 | ||
JP2006338860A JP4938436B2 (ja) | 2006-12-15 | 2006-12-15 | 車両用冷却ファン制御システム |
Publications (1)
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WO2008072683A1 true WO2008072683A1 (ja) | 2008-06-19 |
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PCT/JP2007/073996 WO2008072683A1 (ja) | 2006-12-15 | 2007-12-13 | 車両用冷却ファン制御システムと車両用冷却ファンの制御方法 |
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US (1) | US8428817B2 (ja) |
JP (1) | JP4938436B2 (ja) |
CN (1) | CN101511618B (ja) |
WO (1) | WO2008072683A1 (ja) |
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US8985068B2 (en) * | 2010-07-22 | 2015-03-24 | Robert Bosch Gmbh | Systems and methods for avoiding resonances excited by rotating components |
US9322581B2 (en) * | 2011-02-11 | 2016-04-26 | Johnson Controls Technology Company | HVAC unit with hot gas reheat |
JP5786594B2 (ja) * | 2011-09-26 | 2015-09-30 | トヨタ自動車株式会社 | 電気自動車 |
FR2993825B1 (fr) * | 2012-07-26 | 2018-01-26 | Bacqueyrisses - Soc Automobiles | Systeme de climatisation de vehicule de transport de personnes |
KR101538983B1 (ko) * | 2013-12-26 | 2015-07-23 | 갑을오토텍(주) | 차량의 에어컨 냉각팬 및 그 제어 방법 |
CN103939377B (zh) * | 2014-05-06 | 2016-01-20 | 安徽江淮汽车股份有限公司 | 一种无级调速散热器风扇控制总成及方法 |
JP6325336B2 (ja) * | 2014-05-15 | 2018-05-16 | ナブテスコ株式会社 | 車両用空気圧縮機ユニット |
US9551275B2 (en) * | 2014-08-07 | 2017-01-24 | Caterpillar Inc. | Cooling system having pulsed fan control |
US20160129760A1 (en) * | 2014-11-10 | 2016-05-12 | Caterpillar Global Mining Equipment Llc | Air conditioning system for machine |
WO2016162939A1 (ja) * | 2015-04-07 | 2016-10-13 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー (ホンコン) リミテッド | 空気調和機 |
KR101673762B1 (ko) * | 2015-04-28 | 2016-11-07 | 현대자동차주식회사 | 자동차용 공조장치의 토출 풍량 제어 시스템 및 방법 |
CA2913473A1 (en) * | 2015-11-27 | 2017-05-27 | Christer Gotmalm | Method and apparatus for cooling and heating in vehicles |
JP6496790B2 (ja) * | 2017-09-08 | 2019-04-03 | 株式会社Subaru | 車載機器冷却装置 |
JP2019123284A (ja) * | 2018-01-12 | 2019-07-25 | 株式会社デンソー | 車両用空調装置 |
US11629866B2 (en) | 2019-01-02 | 2023-04-18 | Johnson Controls Tyco IP Holdings LLP | Systems and methods for delayed fluid recovery |
CN111231605B (zh) * | 2020-01-19 | 2021-06-04 | 珠海格力电器股份有限公司 | 避免造成高压保护的车载空调器控制方法及空调器 |
CN112009234B (zh) * | 2020-09-11 | 2021-09-24 | 厦门金龙联合汽车工业有限公司 | 一种纯电动客车驱动系统冷却电子风扇自适应控制方法 |
CN112455212B (zh) * | 2020-12-04 | 2022-04-19 | 浙江吉利控股集团有限公司 | 一种车辆电驱冷却回路的冷却控制方法及系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837453A (ja) * | 1981-08-31 | 1983-03-04 | 株式会社デンソー | 自動車用冷凍サイクルにおけるコンデンサ冷却フアンの制御方法 |
JPS59158972U (ja) * | 1983-04-01 | 1984-10-25 | マツダ株式会社 | ク−ラコンデンサモ−タの制御回路 |
JPH10157451A (ja) * | 1996-12-03 | 1998-06-16 | Sumitomo Constr Mach Co Ltd | 建設機械の空調装置 |
JPH10226225A (ja) * | 1997-02-17 | 1998-08-25 | Denso Corp | 車両用空気調和装置 |
JPH1178510A (ja) * | 1997-07-17 | 1999-03-23 | Denso Corp | 車両用冷凍サイクル装置 |
JP2000257963A (ja) * | 1999-03-05 | 2000-09-22 | Denso Corp | 冷凍サイクル装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT379434B (de) * | 1976-07-21 | 1986-01-10 | List Hans | Wassergekuehlte brennkraftmaschine zum antrieb von fahrzeugen, insbesondere dieselmotor |
JPS59158972A (ja) * | 1983-03-01 | 1984-09-08 | 三洋電機株式会社 | 冷気循環装置 |
JPS62247112A (ja) * | 1986-03-28 | 1987-10-28 | Aisin Seiki Co Ltd | 内燃機関の冷却系制御装置 |
CA1304480C (en) * | 1987-12-28 | 1992-06-30 | Shuji Katoh | Engine room-cooling control system |
US5445128A (en) * | 1993-08-27 | 1995-08-29 | Detroit Diesel Corporation | Method for engine control |
AU694712B1 (en) * | 1997-05-19 | 1998-07-23 | Ubukata Industries Co., Ltd. | Protecting device for car air conditioner |
US6073456A (en) * | 1997-10-09 | 2000-06-13 | Denso Corporation | Air-conditioning device for hybrid vehicle |
US6178928B1 (en) * | 1998-06-17 | 2001-01-30 | Siemens Canada Limited | Internal combustion engine total cooling control system |
JP2001108086A (ja) * | 1999-10-14 | 2001-04-20 | Denso Corp | 車両の変速制御装置 |
US6463891B2 (en) * | 1999-12-17 | 2002-10-15 | Caterpillar Inc. | Twin fan control system and method |
US6374780B1 (en) * | 2000-07-07 | 2002-04-23 | Visteon Global Technologies, Inc. | Electric waterpump, fluid control valve and electric cooling fan strategy |
JP4048698B2 (ja) | 2000-07-28 | 2008-02-20 | 株式会社デンソー | 車両用冷却ファンの制御装置および制御方法 |
JP2003003846A (ja) * | 2001-06-21 | 2003-01-08 | Aisan Ind Co Ltd | エンジン冷却装置 |
JP2004044507A (ja) * | 2002-07-12 | 2004-02-12 | Toyota Motor Corp | 車載電動ファンの制御装置 |
CN100376416C (zh) * | 2003-02-28 | 2008-03-26 | 株式会社电装 | 用于车辆空调装置的压缩机控制系统 |
JP4165330B2 (ja) * | 2003-04-16 | 2008-10-15 | 株式会社デンソー | 空調装置 |
JP4460913B2 (ja) * | 2004-02-16 | 2010-05-12 | サンデン株式会社 | 空調装置 |
JP2005333738A (ja) * | 2004-05-20 | 2005-12-02 | Toyota Motor Corp | 冷却装置制御装置、冷却装置異常検出装置、冷却装置異常検出方法および冷却装置の異常検出をコンピュータに実行させるためのプログラムを記録したコンピュータ読取り可能な記録媒体 |
JP4517892B2 (ja) * | 2005-02-28 | 2010-08-04 | マツダ株式会社 | 車両用エンジンの冷却装置 |
JP2006327569A (ja) * | 2005-04-25 | 2006-12-07 | Denso Corp | 車両用冷凍サイクル装置 |
US20060259219A1 (en) * | 2005-05-16 | 2006-11-16 | Denso Corporation | Vehicle climate control apparatus and method |
-
2006
- 2006-12-15 JP JP2006338860A patent/JP4938436B2/ja not_active Expired - Fee Related
-
2007
- 2007-12-13 CN CN2007800321087A patent/CN101511618B/zh not_active Expired - Fee Related
- 2007-12-13 US US12/310,561 patent/US8428817B2/en not_active Expired - Fee Related
- 2007-12-13 WO PCT/JP2007/073996 patent/WO2008072683A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837453A (ja) * | 1981-08-31 | 1983-03-04 | 株式会社デンソー | 自動車用冷凍サイクルにおけるコンデンサ冷却フアンの制御方法 |
JPS59158972U (ja) * | 1983-04-01 | 1984-10-25 | マツダ株式会社 | ク−ラコンデンサモ−タの制御回路 |
JPH10157451A (ja) * | 1996-12-03 | 1998-06-16 | Sumitomo Constr Mach Co Ltd | 建設機械の空調装置 |
JPH10226225A (ja) * | 1997-02-17 | 1998-08-25 | Denso Corp | 車両用空気調和装置 |
JPH1178510A (ja) * | 1997-07-17 | 1999-03-23 | Denso Corp | 車両用冷凍サイクル装置 |
JP2000257963A (ja) * | 1999-03-05 | 2000-09-22 | Denso Corp | 冷凍サイクル装置 |
Also Published As
Publication number | Publication date |
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CN101511618B (zh) | 2011-06-29 |
US20100191416A1 (en) | 2010-07-29 |
JP4938436B2 (ja) | 2012-05-23 |
CN101511618A (zh) | 2009-08-19 |
JP2008149851A (ja) | 2008-07-03 |
US8428817B2 (en) | 2013-04-23 |
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