KR101786243B1 - Device and method for controlling HVAC of vehicle - Google Patents
Device and method for controlling HVAC of vehicle Download PDFInfo
- Publication number
- KR101786243B1 KR101786243B1 KR1020150178256A KR20150178256A KR101786243B1 KR 101786243 B1 KR101786243 B1 KR 101786243B1 KR 1020150178256 A KR1020150178256 A KR 1020150178256A KR 20150178256 A KR20150178256 A KR 20150178256A KR 101786243 B1 KR101786243 B1 KR 101786243B1
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- South Korea
- Prior art keywords
- air conditioning
- conditioning switch
- switch
- control
- amount
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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
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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
- B60H1/00835—Damper doors, e.g. position 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
- B60H1/00642—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
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
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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
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
- B60H1/08—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator
- B60H1/10—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator the other radiator being situated in a duct capable of being connected to atmosphere outside vehicle
- B60H1/12—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator the other radiator being situated in a duct capable of being connected to atmosphere outside vehicle using an air blower
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to an apparatus and method for controlling an air conditioning system of an automobile, and more particularly, to an apparatus and method for controlling an air conditioning system of an automobile, And more particularly, to an air conditioning system control apparatus and method.
Description
The present invention relates to an apparatus and method for controlling an air conditioning system of an automobile, and more particularly, to an apparatus and method for controlling an air conditioning system of an automobile, And more particularly, to an air conditioning system control apparatus and method.
2. Description of the Related Art [0002] Generally, an air conditioning system is installed in a vehicle to control air conditioning and the like in a vehicle interior. The air conditioning system includes an air conditioning case having an air inlet and an air outlet, an evaporator and a heater core installed inside the air conditioning case, And a mode door installed at the air outlet and adjusting the opening of the air outlet according to the air conditioning mode.
The air conditioning system is controlled by various air conditioning switches of a control pad installed on an instrument panel of a vehicle. For example, the air conditioning system includes a temperature switch for controlling temperature by controlling an actuator for driving the tempo door, A mode switch for controlling the air conditioning mode (wind direction) by controlling the actuator, an air volume switch for controlling the air volume by controlling the power transistor for driving the blower motor for controlling the air volume, and an actuator for driving the intake door And an internal / external switch for selecting an inside / outside unit by controlling the air conditioner.
In recent years, an automotive air conditioning system has been developed in accordance with the tendency of all automobile systems to be automated.
The air-conditioning system of the automatic control system is based on the signals (data) of various sensors that detect the temperature of the car, the outside temperature, the evaporator temperature, the solar radiation amount, the room humidity (optional) .
FIG. 1 is a schematic view showing a control mechanism of a conventional air conditioning system. When a driver operates an air conditioning switch, a control module to which a driver's operation signal is inputted controls the temperature of the car, the outside air temperature, the evaporator temperature, Temperature control, wind direction control, internal / external control, air conditioner on / off control by operating the selected device among blower motor, temp door, mode door, intake door and air conditioner compressor based on signals of various sensors And a mechanism for performing the selected control.
In order to control the system, the air-conditioning system includes an in-car sensor for sensing a room temperature of the vehicle, an outside air sensor for detecting the outside air temperature of the vehicle, a solar radiation sensor for detecting the solar radiation amount, A mode switch for controlling the operation of the mode door; a flow rate switch for controlling the operation of the blower motor; and a controller for controlling the operation of the intake door An indoor / outdoor switch, an air conditioner switch for setting the on / off state of the air conditioner, and a control module for processing data input from each of the sensors and the switch. The humidity sensor and the humidity sensor And an outside air pollution sensor for detecting outside air pollution.
In such a conventional air conditioning system, the operator operation for controlling the air conditioning operation is inputted to the control module by various air conditioning switches of the input unit provided on the instrument panel, and at the same time, the operation information such as the temperature selected by the driver's operation is displayed on the display unit.
Air-conditioning switches for operating inputs of a driver who sets the operation of the air-conditioning system include button-type and dial-type switches. Normally, a button click-click count is detected by a tact switch and transmitted to a control module (microcomputer) During rotation of the dial, the amount of rotation is detected by the photo sensor and transferred to the control module to perform air conditioning control according to the driver setting.
For example, the button-type air conditioning switches include airflow switches, mode switches, air conditioner switches, and dial type air conditioning switches include temperature switches.
In the conventional air conditioning system, when the driver presses the button-type air-conditioning switch, only the number of times the switch is operated is detected, and when the dial-type air-conditioning switch is rotated and operated, only the amount of rotation is detected (see FIG.
For example, when the driver rotates the dial-type air conditioning switch, the air conditioning control is performed according to a signal (for example, a set temperature) set according to the amount of dial rotation as a driver input, .
However, such a conventional air conditioning system has a disadvantage in that it is difficult to perform user-customized air conditioning control considering the operation habits and the input speed of the driver because the air conditioning control is performed by recognizing only the operation amount (click number or rotation amount) have.
The present invention is applicable to an automobile which can provide quicker air conditioning control responsiveness by counting not only an operating amount such as a click number or a turning amount of an air conditioning switch according to a driver operation but also an operating time during which the driver is operated, And an air conditioning system control device and method of the air conditioning system.
Therefore, in the present invention, an air conditioning switch operated by a user operation for controlling an air conditioning system; And a control module that receives an operation amount of the air conditioning switch and counts an operation time of the air conditioning switch through a built-in clock, wherein the control module controls the operation of the air conditioning switch based on the operation amount of the air conditioning switch and the operation time, And the operation of the door door actuator and the blower motor.
Specifically, the control module counts the time taken from the start of reception of the input signal according to the operation of the air conditioning switch to the end of reception of the input signal through the built-in clock, do.
The control module determines the driving voltage of the tempo door actuator for determining the opening amount of the tempo door for temperature control based on the reference voltage value determined according to the operation amount of the air conditioning switch according to the operation amount of the air conditioning switch and the operation time As a value calculated by multiplying the operation weight value by the operation weight value.
The control module calculates the driving voltage of the blower motor for airflow control by multiplying the basic voltage value determined by the operation amount of the air conditioning switch by the operation weight of the air conditioning switch and the operation weight determined by the operation time As shown in FIG.
Further, the control module calculates k * DELTA d / DELTA t as an operation weight according to the operation time of the air conditioning switch. Here, k is a correction constant, DELTA d is an operation amount of the air conditioning switch, and DELTA t is an operation time of the air conditioning switch.
In this case, the air conditioning switch may be a button-type air-conditioning switch in which clicks according to user's operation are detected as an operation amount, or a dial-type air-conditioning switch in which a rotation amount according to a user's operation is detected as an operation amount.
The present invention also provides a method for controlling an air conditioning system, comprising: a first step of detecting whether an air conditioning switch is operated for controlling an air conditioning system; A second step of detecting an operation amount and an operation time of the air conditioning switch when the air conditioning switch is operated according to a user operation; A third process of correcting and calculating the driving voltage for the operation of the door door actuator or the driving voltage for the operation of the door door actuator and the blower motor by using the operation weight calculated based on the operation amount of the air conditioning switch and the operation time, ; And a fourth step of controlling the operation of the tempo door actuator or the operation of the tempo door actuator and the blower motor based on the driving voltage value calculated in the third step do.
Specifically, in the second process, the time required from the start of reception of the input signal due to the operation of the air conditioning switch to the end of reception of the input signal is counted and detected as the operating time of the air conditioning switch.
Also, the operation weight of the third process is calculated as k * DELTA d / DELTA t, where k is a correction constant, DELTA d is an operation amount of the air conditioning switch, to be.
In the third step, the drive voltage of the tempo door actuator for determining the opening amount of the tempo door for temperature control is set to a reference voltage value determined according to the operation amount of the air conditioning switch, Is calculated as a value calculated by multiplying the operation weight determined according to the above.
In the third step, the drive voltage of the blower motor for air volume control is calculated by multiplying the basic voltage value determined by the operation amount of the air conditioning switch by the operation weight of the air conditioning switch and the operation weight determined by the operation time As a value.
When the vehicle interior temperature exceeds the upper limit value of the target temperature change value or becomes lower than the lower limit value of the target temperature change value, the control of the fourth process is stopped, and the drive voltage of the tempo door actuator and the drive voltage of the blower motor And converges to the basic voltage value determined according to the amount. At this time, the target temperature change value is a value obtained by adding the correction constant set to the target temperature according to the operation amount of the air conditioning switch.
According to the present invention, since the time required for the user to operate the air conditioning switch is applied as a correction factor and the user-customized air conditioning control is performed in consideration of the characteristics of the user's operation habits and the input speed, There is an advantage that a faster and milder control response is possible.
In addition, the comfort of the room can be improved by the user-customized air conditioning control without increasing the material cost, thereby improving the merchantability.
1 is a schematic view showing a control mechanism of a conventional air conditioning system;
2 is a graph showing the amount of operation of the air conditioning switch for user input of the conventional air conditioning system
3 is a schematic view showing a control mechanism of the air conditioning system according to the present invention;
4 is a graph showing an operation amount and an operating time of the air conditioning switch for user input of the air conditioning system according to the present invention;
FIG. 5 is a graph showing an example in which an overshoot amount of a target temperature is increased at the time of heating temperature correction according to the air conditioning system control method according to the present invention.
6 is a flowchart for explaining the air conditioning system control method according to the present invention.
FIG. 3 is a schematic view showing a control mechanism of the air conditioning system. When the user operates the air conditioning switch, the
In order to control the system, the air conditioning system includes various sensors for detecting the indoor temperature of the vehicle, the outdoor temperature and the solar radiation, and the outlet temperature of the evaporator, and also includes a temperature switch for setting the amount of opening of the tempdoor, An air conditioner switch for controlling the operation of the blower motor, an indoor / outdoor switch for setting the operation of the intake door, an air conditioner switch for setting on / off of the air conditioner, and data input from these sensors and switches A humidity sensor for detecting the indoor humidity of the vehicle, and an outside air pollution sensor for detecting the outside air contamination of the vehicle.
Such an air conditioning system includes an auto mode for simultaneously controlling the operation of the tempo door and the blower motor when the temperature switch (1) is operated, a drive control for the tempo door when the temperature switch (1) is operated and a blower motor Manual operation mode.
In the present invention, it is possible to quickly and mildly and variably control the indoor air conditioning of the vehicle interior by recognizing the input speed, that is, the operation time according to the operating habits of the user's air conditioning switch for controlling the air conditioning system.
Hereinafter, the present invention will be described with reference to the accompanying drawings.
Referring to FIG. 3, the air conditioning system control apparatus according to the present invention includes an air conditioning switch operated by a user operation for controlling an air conditioning system, and an air conditioning switch for receiving an operation amount of the air conditioning switch, And a control module (3) for counting the operating time of the switch.
In such an air conditioning system, a user operation for air conditioning operation control is input to the
4, when the input for the user's air conditioning control is inputted to the
The air-conditioning switch is a button-type air-conditioning switch (for example, air volume switch) in which the number of clicks according to a user's operation is detected as an operation amount, or a dial-type air conditioning switch Switch).
Typically, the control module receives an operation amount of the air conditioning switch according to a user's operation. The control module is detected by a tact switch provided with the click number of the air-conditioning switch when the button is clicked and transmitted to the control module (microcomputer) Type air conditioning switch is detected by the photosensor provided with the rotation amount and transmitted to the control module (microcomputer).
The
In the auto mode, temperature control and air volume control are simultaneously performed by operating the temperature door and the blower motor in conjunction with the temp door. In the manual mode, the temp door is operated during the temperature switch operation to control the temperature. The blower motor is driven to control the air volume.
For example, at the time of indoor heating, that is, when the user operates the temperature switch, the control module calculates the operation weight according to the operation and operation time of the air conditioning switch as k * DELTA d / DELTA t.
Here, k is a correction constant, DELTA d is an operation amount of the air conditioning switch according to a user operation, and DELTA t is an operation time of the air conditioning switch. K is a value derived through testing and evaluation or the like, and the value tuned for each vehicle is applied.
The operating weight of the air conditioning switch corresponding to the user's operation habits and the input speed is converted into the correction amount and applied as a correction factor in controlling the air volume and temperature by the operation weight calculated by the user Thus, quick and mild air conditioning responsiveness according to user input can be ensured.
Referring to FIG. 5, in the case of the rapid control in which the user operates the air conditioning switch at a comparatively high speed in a heating condition, the target temperature is temporarily raised at the beginning of heating to increase the overshoot amount (upper limit value within the allowable limit) After providing air conditioning responsiveness, it gradually converges to the target temperature.
Also, in the case of a constant control in which the user operates the air conditioner switch at a relatively slow speed in a heating condition, the target temperature is temporarily lowered at the beginning of heating to minimize the overshoot amount to reduce sudden temperature and airflow changes, .
At this time, the amount of overshoot at the time of heating is the upper limit value within the allowable limit of the target temperature, and the amount of under-shooting at the time of cooling is the lower limit within the allowable limit of the target temperature.
A method of controlling an air conditioning system of a vehicle according to the present invention will be described with reference to FIG.
As shown in Fig. 6, when the operation of the air conditioning switch is detected in the start-on (ignition-on) state of the vehicle, the operation amount and the operation time of the air conditioning switch are detected.
The operation amount of the air conditioning switch according to the user's operation is detected by the tact switch or photoelectric sensor connected to the air conditioning switch and inputted to the control module.
The control module detects the input signal while the input signal corresponding to the operation of the air conditioning switch is generated by the user operating the air conditioning switch, and grasps the time spent at that time. In other words, when the input signal corresponding to the operation of the air conditioning switch starts to be received by the user's operation, the control module takes the time from when the reception of the input signal is started through the built-in clock until the reception of the input signal is terminated The time is counted and detected as an operating time of the air conditioning switch and recognized.
Next, k * DELTA d / DELTA t is calculated as an operation weight according to the operation time of the air conditioning switch based on the detected operation amount and the operation time of the air conditioning switch.
Then, the corrected target temperature correction value (target temperature + correction constant) is determined by adding the correction constant A set for the target temperature tuned for each vehicle to the target temperature value determined according to the air conditioning switch operation amount of the user.
Then, the drive voltage value of the door door actuator, which is determined according to the operation amount of the air conditioning switch, is multiplied by the calculated operation weight value, and the corrected drive voltage value of the door door actuator considering the operation time of the air conditioning switch And calculates a drive voltage value of the blower motor by multiplying the drive voltage value of the blower motor determined by the operation amount of the air conditioning switch by the calculated operation weight value, And calculates the voltage value (i.e., the drive voltage value that determines the rotation speed and the air flow rate of the blower motor).
In other words, the control module of the air conditioning system controls the driving voltage of the tempo door actuator, which determines the opening amount of the tempo door for temperature control, to the basic voltage value determined according to the operation amount of the air conditioning switch, (K * [Delta] d / [Delta] t) that is determined in accordance with the operating condition of the air conditioning system.
Further, the control module controls the drive voltage of the blower motor, which determines the rotation speed of the blower motor for controlling the air volume, to a basic voltage value determined according to the operation amount of the air conditioning switch, (K * DELTA d / DELTA t), which is temporarily calculated and controlled at the beginning of the control of the air conditioning system.
The control module determines whether the vehicle interior temperature exceeds the upper limit value (target temperature + correction constant A + setting value B) of the target temperature change value or the lower limit value (target temperature + correction constant A) (B)], the temporary control using the operation weight is stopped, and the driving voltage value of the temp door actuator and the driving voltage value of the blower motor are converged to the basic voltage value determined according to the operation amount of the air conditioning switch .
In other words, the control module determines the opening amount of the tempdoor for temperature control by controlling the driving of the tempdoor actuator and the blower motor based on the driving voltage temporarily corrected up or down at the beginning of the control of the air conditioning system, Determine the rotation speed of the blower motor for control.
When the vehicle interior temperature exceeds the upper limit value of the target temperature change value (at the time of heating) or the lower limit value of the target temperature change value (at the time of cooling), the temperature and air amount control using the operation weight value as the correction factor is terminated, And the driving voltage value of the blower motor are gradually converged to the basic voltage value determined according to the operation amount of the air conditioning switch.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments. Modifications are also included in the scope of the present invention.
1: Temperature switch
2:
3: Control module
Claims (13)
A control unit for controlling the operation of the TEMP door actuator or the operation of the TEMP door actuator and the blower motor based on the operation amount and the operation time of the air conditioning switch, And a control module for controlling the control module,
The control module calculates and calculates a driving voltage for the operation of the door door actuator or a driving voltage for operation of the door door actuator and the blower motor using the operation weight calculated based on the operation amount of the air conditioning switch and the operation time And a control unit for controlling the air conditioning system of the vehicle.
The control module counts the time taken from the start of reception of the input signal according to the operation of the air conditioning switch to the end of reception of the input signal through the built-in clock and recognizes it as the operation time of the air conditioning switch The air conditioning system control device of the automobile.
The control module controls the drive voltage of the tempo door actuator for determining the opening amount of the tempo door for temperature control to a reference voltage value determined according to the operation amount of the air conditioning switch, As a value calculated by multiplying the weight by a weight.
The control module controls the drive voltage of the blower motor for controlling the air volume by multiplying the basic voltage value determined by the operation amount of the air conditioning switch by the operation weight of the air conditioning switch and the operation weight determined by the operation time, And a control unit for controlling the air conditioning system of the vehicle.
Wherein the control module calculates the operation weight as k * DELTA d / DELTA t.
Here, k is a correction constant, DELTA d is an operation amount of the air conditioning switch, and DELTA t is an operation time of the air conditioning switch.
Wherein the air conditioning switch is a button-type air-conditioning switch in which clicks according to a user's operation are detected as an operation amount, or a dial-type air-conditioning switch in which a rotation amount according to a user's operation is detected as an operation amount.
A second step of detecting an operation amount and an operation time of the air conditioning switch when the air conditioning switch is operated according to a user operation;
A third process of correcting and calculating the driving voltage for the operation of the door door actuator or the driving voltage for the operation of the door door actuator and the blower motor by using the operation weight calculated based on the operation amount of the air conditioning switch and the operation time, ;
A fourth step of controlling the operation of the tempo door actuator or the operation of the tempo door actuator and the blower motor based on the driving voltage value calculated in the third step;
And a control unit for controlling the air conditioning system.
Wherein the second step counts the time required from the start of reception of the input signal according to the operation of the air conditioning switch to the end of the reception of the input signal and detects the time as the operating time of the air conditioning switch Air conditioning system control method.
Wherein the operation weight of the third process is calculated as k * DELTA d / DELTA t.
Here, k is a correction constant, DELTA d is an operation amount of the air conditioning switch, and DELTA t is an operation time of the air conditioning switch.
In the third step, the drive voltage of the tempo door actuator for determining the opening amount of the tempo door for temperature control is determined according to the reference voltage value determined according to the operation amount of the air conditioning switch, And calculating a value obtained by multiplying the operation weight value by the operation weight value.
In the third step, the drive voltage of the blower motor for air volume control is calculated by multiplying the basic voltage value determined by the operation amount of the air conditioning switch by the operation weight of the air conditioning switch and the operation weight determined by the operation time Of the air conditioning system.
When the vehicle interior temperature exceeds the upper limit value of the target temperature change value or becomes lower than the lower limit value of the target temperature change value, the control of the fourth process is stopped and the drive voltage of the tempdoor actuator and the drive voltage of the blower motor are set to the operation amount of the air conditioning switch And converges the voltage to a basic voltage value that is determined according to the control signal.
Wherein the target temperature change value is a value obtained by adding a correction constant set to a target temperature according to an operation amount of the air conditioning switch.
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| KR1020150178256A KR101786243B1 (en) | 2015-12-14 | 2015-12-14 | Device and method for controlling HVAC of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150178256A KR101786243B1 (en) | 2015-12-14 | 2015-12-14 | Device and method for controlling HVAC of vehicle |
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| KR20170070573A KR20170070573A (en) | 2017-06-22 |
| KR101786243B1 true KR101786243B1 (en) | 2017-10-17 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002347433A (en) | 2001-05-25 | 2002-12-04 | Fuji Heavy Ind Ltd | Air conditioning device for vehicle |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002347433A (en) | 2001-05-25 | 2002-12-04 | Fuji Heavy Ind Ltd | Air conditioning device for vehicle |
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