JP2002283830A - Air conditioning control device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioning control device for a vehicle which is capable of proper learning control without increasing storage capacity and operation time. SOLUTION: In the air conditioning control device for the vehicle which controls an operating part 27 of an air conditioner 20 based on a control amount of the predetermined control characteristics (in which environment condition and the control amount are related) and the control amount inputted by a manual operation of a passenger, and when the manual operation enters, learns the control characteristics, the control characteristics divide the whole region, which can be obtained by the environment condition, into a plurality of division regions, the control amount is related to each division region, and, the width of the division regions of the environment condition is set to two or more different sizes. Regarding the width of the division regions, in the region that the more the passenger is sensitive to an amount of the change of the environment condition, the smaller the width is made. When the environment condition is the amount of solar radiation, in the region that the less the amount of solar radiation is, the smaller the width of the division regions is made. Also, the operating part 27 is made as an air blower 27, and the control characteristics are made as an impressed voltage control characteristic.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle air-conditioning control device, and more particularly to an improvement in learning control.

[0002]

2. Description of the Related Art A conventional vehicle air conditioner is disclosed in Japanese Patent No.
As shown in Japanese Patent Application Publication No. 111566, for example, the applied voltage (blowing amount) of a blower in an air conditioner is controlled by a signal obtained from a predetermined control characteristic (correlation between the amount of solar radiation and the applied voltage) and the manual operation of an occupant. It controls by the signal set by the operation. In addition, when the occupant's manual operation (air volume changeover switch) is turned on, the solar radiation amount and applied voltage at that time are learned, and the control characteristics are changed. Thus, it is possible to control the amount of air blow according to the occupant's preference according to the increase or decrease of the amount of solar radiation.

[0003]

However, as shown in FIG. 10, the above-mentioned control characteristic is obtained by simply dividing the entire region where the amount of solar radiation can be taken into a plurality of regions having a uniform width. Since the applied voltage is made to correspond to each divided region, the situation of the manual operation of the occupant with respect to the variation of the amount of solar radiation is different between the divided region on the side with a small amount of solar radiation and the divided region on the side with a large amount of radiation, and the learning of the air volume control characteristics A situation arises in which is not done properly.

[0004] That is, as shown in FIG. 11, if the if 0~1000W / m ² the entire area may take the solar radiation, between the dividing 5, etc., and set the divided areas by 200 W / m ^2, insolation in high-volume 800~1000W / m ² of the area, but the amount of solar radiation to 950W / m ² from 800 does not change much in the sensory be varied, less the amount of solar radiation 0-2
In the region of 00W / m ^2, it varies greatly as a feeling of the occupant even though the same as described above from 0 to 150 W / m ² as a variation amount of sunlight varies (150W / m ^2).

[0005] Therefore, even if the amount of air blows to the liking with the amount of solar radiation of 0 W / m ² , the amount of air blows is felt unsatisfactory when the amount of solar radiation reaches 150 W / m ² , and manual setting is performed so as to increase the amount of air blow. From the next time, the control characteristic is learned so that the air flow increases. However, at the time of the next boarding or when the solar radiation amount is 0 W / m ² , the control characteristic learned previously causes the air flow to be too large, and the manual setting is performed again so as to reduce the air flow. Repetition occurs.

[0006] As described above, if the divided regions of the amount of solar radiation are set equally, it is not possible to converge to a control characteristic suitable for the occupant's preference in the region of a small amount of solar radiation. Is required.

In order to prevent this, if the number of divisions of the amount of solar radiation is increased and the details are learned in a detailed manner, it is possible to converge on the control characteristics according to the occupant's preference. However, increasing the number of divisions leads to an increase in memory. , And increase the calculation time.

An object of the present invention is to provide a vehicle air-conditioning control device capable of performing appropriate learning control without increasing a storage capacity and a calculation time in view of the above problems.

[0009]

The present invention employs the following technical means to achieve the above object.

According to the first aspect of the present invention, the air conditioner (2
0), an operating unit (27) that operates to function air conditioning, an environmental condition detecting unit (35) that detects an environmental condition of the vehicle, an environmental condition and a control amount to the operating unit (27). Control characteristic storing means (31a, 31b) for storing a control characteristic which is a relative relationship between the control characteristic and an environmental condition detecting means (35)
Control amount determining means (S430, S460) for receiving an environmental condition detected in step (a) and determining a control amount based on a control characteristic;
Control amount manual setting means (37) for the occupant to manually set the control amount
1) a driving unit (30) for controlling the driving of the operating unit (27) based on each output signal of the control amount determination unit (S430, S460) and the control amount manual setting unit (371);
When the control amount is changed by the control amount manual setting means (371) in a predetermined environmental condition of the control characteristics, the control is performed by the vehicle air-conditioning control device having the control characteristic changing means (S450) for changing the control characteristic. Characteristic storage means (31a,
The control characteristic stored in 31b) is such that the entire region that can be taken by the environmental condition is divided into a plurality of divided regions, the control amount is associated with each divided region, and the width of the divided region of the environmental condition is: It is characterized in that two or more different sizes are set.

[0011] Thus, by weighting a region where learning accuracy is required in the entire region where environmental conditions can be taken and reducing the division width of the region, fine-grained learning control becomes possible. Thus, control according to the occupant's preference becomes possible. In this case, since the number of divisions is not increased, the memory capacity is not increased and the calculation time is not increased.

According to the second aspect of the present invention, the width of the divided area of the environmental condition set by the control characteristic storage means (31a, 31b) is made smaller as the occupant is more likely to feel the change in the environmental condition. It is characterized by:

[0013] This makes it possible to more clearly set the weighting of the region where the learning accuracy is required, in comparison with the first aspect of the present invention.

More specifically, when the environmental condition detected by the environmental condition detecting means (35) is the amount of solar radiation as in the invention according to the third aspect, the width of the divided region becomes smaller as the amount of solar radiation is smaller. If is set small, fine-grained learning control becomes possible, and control suited to the occupant's preference becomes possible.

Further, the width of the divided region of the amount of solar radiation set by the control characteristic storage means (31a, 31b) is increased exponentially according to the amount of solar radiation. Once set, programming of control characteristics becomes easier.

Then, as in the invention according to claim 5,
The operating unit (27) is a blower (27) that blows air from the air conditioner (20) into the cabin of the vehicle, and the control characteristics stored in the control characteristic storage means (31a, 31b) are transmitted to the solar radiation and the blower (27). If the applied voltage control characteristic is a relative relationship with the applied voltage, and the entire region of the amount of insolation is divided into the divided regions as described in claim 3 or 4, and learning control is performed, the amount of insolation In a region where the user feels sensitive, the applied voltage (blowing amount) corresponding to the region can be reliably obtained by learning.

According to the present invention, the width of the divided area of the environmental condition set by the control characteristic storage means (31a, 31b) depends on the frequency of use of the vehicle with respect to the environmental condition. The same effect as in the first aspect of the invention can be obtained by reducing the size in accordance with the frequency of operation of the occupant's control amount manual setting means (371) with respect to environmental conditions.

Note that the reference numerals in parentheses of the above-mentioned means indicate the correspondence with specific means described in the embodiment described later.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) FIGS. 1 and 2 show a specific configuration of a vehicle air conditioning control device according to a first embodiment of the present invention. The vehicle air conditioning control device 10 includes an air conditioning device (hereinafter, an air conditioning unit) 20 and a control device 30A.

The air conditioning unit 20 is disposed in front of the instrument panel in front of the vehicle cabin of the vehicle, and an inside / outside air switching door 22a is installed at the most upstream side of the air conditioning unit 20. The inside / outside air switching door 22a forms an inside / outside air mode, and is disposed at a portion where the outside air introduction port and the inside air introduction port are separated from each other. Select the ratio of inside air to outside air.

A blower 27 comprising a blower motor 24 and a fan 23 fixed to the blower motor corresponds to an operating portion, and draws air into the air-conditioning unit 20 so that the air is blown downstream of the air-conditioning unit 20 and further to the vehicle. The air is blown into the room, and an evaporator 25 and a heater core 26 are provided downstream of the blower 27.

The evaporator 25 is connected to a compressor or the like (not shown) to form a refrigeration cycle and cools the passing air. In the heater core 26, engine cooling water (not shown) circulates and heats air passing therethrough.

An air mix door 22b is provided upstream of the heater core 26.
Is adjusted by an actuator (not shown), whereby the ratio of the air passing through the heater core 26 and the ratio of the air bypassing the heater core 26 is adjusted, and the temperature of the air blown into the most downstream passenger compartment is controlled. The temperature of the air decreases as the opening of the air mix door 22b is smaller, and the air becomes cooler.

At the most downstream of the air conditioning unit 20, a defroster door 22c and a face door 2 which form a blow mode are provided.
2d and a foot door 22e are provided. The temperature-controlled air is supplied to each of these doors 22.
By operating c, 22d, and 22e by an actuator (not shown), air is blown out in each blowing mode.

The amount of air blown by the blower 27 in the air conditioning unit 20 and various doors 22a, 22b, 22c, 22d, 22
The opening degree of e is controlled by the control device 30A. More specifically, a driving circuit 30 as a driving unit based on an output signal from a microcomputer 31 in the control device 30A.
Is controlled via a voltage controller and an actuator (not shown).

The microcomputer 31 includes a central processing unit (CPU) (not shown), an I / O port, an A / D conversion function, a ROM 31a, a RAM, and a standby RAM.
31b, etc., which are known per se. Note that the control characteristic storage means in the present embodiment includes a ROM 31a,
It corresponds to the standby RAM 31b.

The standby RAM 31b is a RAM for storing (backing up) various signals and control characteristics to be described later even when an ignition switch (hereinafter, IG switch) is turned off. Power is supplied directly without going through the IG switch. Also, the microcomputer 31 is configured with a backup power supply (not shown) that supplies power to the microcomputer 31 for a short time even when the power is removed from the battery. The control characteristic storage means may be a non-volatile memory such as a flash memory having its own storage capacity.

Various control characteristics are stored in the ROM 31a as initial characteristics. Specifically, inside / outside air mode control characteristics by opening / closing the inside / outside air switching door 22a,
These are the opening degree control characteristics of the air mix door 22b, and the blowing mode control characteristics by opening and closing the defroster door 22c, the face door 22d, and the foot door 22e. These control characteristics are predetermined so as to change in accordance with a target outlet temperature TAO described later. Similarly, the ROM 31
In a, an applied voltage control characteristic applied to the blower 27 is stored as an initial characteristic, and details thereof will be described later.

The microcomputer 31 includes an internal air temperature sensor 33, an external air temperature sensor 34, and a solar radiation sensor 3 as environmental condition detecting means.
5 through the respective level conversion circuits 32, which are A / D
It is converted and read as an environmental condition signal. Also, the occupant's favorite temperature is input by the temperature setting switch 36,
As described above, the signal is input through the level conversion circuit 32, A / D converted in the microcomputer 31, and read as a set temperature signal.

An output signal from the operation unit 37 is input to the microcomputer 31. This operation unit 37
, An automatic switch (not shown) for setting an automatic control state, a manual air supply amount changeover switch 371 as a control amount manual setting means, a manual inside / outside air changeover switch, a manual blowout mode changeover switch (face, bilevel, foot, foot differential, defroster), etc. Consists of

The details of the manual air volume changeover switch 371 among the above switches will be described with reference to FIG. The manual air volume switch 371 is a low switch 371
a, down switch 371b, up switch 371
c and a high switch 371d. The low switch 371a is configured to output a signal for controlling the applied voltage to the blower 27 to 4 volts (the lowest voltage) when pressed. The high switch 371d is configured to output a signal for controlling the applied voltage to 12 volts (the highest voltage) when pressed.

When the down switch 371b is pressed, the applied voltage is reduced to a predetermined voltage (0.25 volt).
The up switch 371c outputs a signal for decreasing the applied voltage by a predetermined voltage (0.25
Volts) is output.

Next, control of the entire air conditioning unit 20 by the microcomputer 31 will be described with reference to FIG.
Next, learning control of the blower 27 will be described with reference to FIGS.

First, as shown in the flowchart of FIG. 3, the microcomputer 31 starts control in step S100 when the IG switch of the vehicle is turned on, and proceeds to step S110 to set initial values such as various conversions and flags. I do.

In step S150, the internal temperature sensor 33,
Environmental conditions are input by sensor signals from the outside air temperature sensor 34 and the solar radiation sensor 35, and the state of the operation switches is input from the temperature setting switch 36 and the operation unit 37.

Next, the process proceeds to step S200,
150, the target blowing temperature TAO of the air to be blown into the vehicle cabin from various environmental conditions and the set temperature.
(Hereinafter, TAO) is calculated according to the following mathematical formula 1.

(Formula 1) TAO = KSET × TSET-KR × TR-KAM × T
AM−KS × TS + C, where KSET, KR, KAM, and KS are coefficients, C is a constant, TSET is the set temperature, TR is the inside air temperature, and TAM.
Is the outside air temperature, and TS is the amount of solar radiation.

In step S300, the ROM 31a
The opening degree of the air mix door 22b corresponding to the TAO is calculated from the opening degree control characteristic stored in the storage unit, and an actuator (not shown) is controlled via the drive circuit 30 so that the opening degree becomes equal to the opening degree. Controls the temperature of the air blown into the room.

Next, the operation proceeds to step S400, where the blower 27
The voltage applied to the vehicle is calculated, and the blower 27 is driven via the drive circuit 30 to control the amount of air blown into the vehicle compartment. Note that there is an individual difference in the amount of air blown by the occupant, and it is difficult to determine the applied voltage (that is, the amount of air blow) using uniform applied voltage control characteristics. In response, the applied voltage control characteristics are learned so that the desired amount of air is blown, and appropriate learning control is performed. The details will be described later.

Next, the process proceeds to step S500, and the ROM
From the inside / outside air mode control characteristics stored in 31a, TAO
Is calculated, and an actuator (not shown) that drives the inside / outside air switching door 22a is controlled via the drive circuit 30.

Next, the process proceeds to step S600, in which the ROM
31A from the blowing mode control characteristics stored in
Is calculated for the defroster door 2
An actuator (not shown) that drives the 2c, the face door 22d, and the foot door 22e is controlled via the drive circuit 30.

Steps S500 and S600
When each mode is manually selected by each changeover switch of the operation unit 37, the doors 22a and 22c to 22e are controlled so as to be in the selected mode.

Then, the process proceeds to a step S700, where a compressor (not shown) is controlled. After the process in step S700, the process returns to step S150 to read various signals again, and the control of air conditioning is repeated in steps S150 to S700.

Next, details of the learning control (step S400) of the blower 27, which is a main part of the present invention, are shown in FIG. 4 together with the applied voltage control characteristics of the blower shown in FIGS. This will be described based on a flowchart.

First, the applied voltage control characteristics will be described. When the mode control characteristic and the opening control characteristic of each of the doors 22a to 22e are related to TAO (a comprehensive variable based on the set temperature, the internal temperature, the external temperature, and the amount of solar radiation), the applied voltage control is performed. The characteristics are such that the inside air temperature, the outside air temperature, and the amount of solar radiation can be related as independent variables so as to better fit the feeling of the occupant. That is, as shown in FIG. 5A, a map divided by the amount of solar radiation and the outside air temperature to determine the current environment area, and as shown in FIG. 5B, the map corresponds to each environment area of this map. It is made up of an internal temperature and an applied voltage characteristic with respect to the amount of solar radiation.

The applied voltage characteristics shown in FIG. 5 (b) are expressed as equations relating to five planes indicated in FIG. 5 (b) in a predetermined area width of the amount of solar radiation (area A). I am trying to. And the applied voltage is B
Given LW, these five equations are:
It is assumed to be determined by Expression 5.

BLW = Hc in (Equation 2) where Hc is a constant (here, Hc1 to Hc5) that is different for each divided region of the amount of insolation, which will be described later, and is updated by learning.

BLw = Hw in (Equation 3) where Hw is a constant (here, Hw1 to Hw5) that differs for each divided region of the amount of insolation, which will be described later, and is updated by learning.

(Equation 4) BLW = a × TR + b × TAM + c in and
× TS + d where a, b, c, and d are constants updated by learning. Note that TR, TAM, and TS are the inside air temperature, the outside air temperature, and the amount of solar radiation, respectively, described in Equation 1.

In Equation (5), BLW = L where L is a constant (here, L1 to L5) that differs for each divided region of the amount of solar radiation, which will be described later, and is updated by learning.

The equations (1) to (5) for the five planes are provided for each divided region of the amount of solar radiation, such as A, B, C, D, and E.

Hereinafter, in order to facilitate understanding, description will be made with reference to FIG. FIG. 6 is a projection of the plane equation portion onto a two-dimensional plane represented by the amount of solar radiation and the applied voltage. Here, the divided region of the amount of solar radiation will be described.

In order to simplify various calculations relating to the control, the entire region where the amount of solar radiation can be taken is divided into five regions (A to E described above). Each of the divided areas corresponds to a divided area in the present embodiment.
The interval width of the division is set to be two or more different sizes from those which are set uniformly in the prior art. Specifically, the smaller the area that the occupant is likely to feel as the amount of change in the amount of solar radiation, the smaller the area. That is, the width of the divided area is set smaller as the area of the solar radiation is smaller. In actual setting, it is determined that the divided area becomes exponentially larger as the amount of solar radiation increases.

The applied voltage BLW for each divided region of the amount of solar radiation
(L1 to L5) are respectively set as initial characteristics, and the ROM 31a in the microcomputer 31
Is stored in

Based on the contents of the applied voltage control characteristics described above, step S40 relating to the learning control of the blower 27 is performed.
0 will be described below with reference to the flowchart of FIG.

First, in step S410, the above-mentioned step S
At 150, the current environment area is determined from the outside air temperature and the amount of solar radiation. That is, in the map shown in FIG. 5A, the applied voltage characteristic (FIG. 6) corresponding to the external temperature TAM1 at that time is called from the ROM 31a. Although the applied voltage characteristics are originally shown in FIG. 5B, for the sake of simplicity of description, FIG. 6 shows the internal temperature condition omitted.

Next, in step S420, it is determined whether or not the occupant has manually operated the manual air volume switching switch 371. If it is determined that the manual operation has not been performed, step S
Proceeding to 430, the applied voltage BLW (any of L1 to L5) of the divided region corresponding to the amount of solar radiation at this time is calculated as a control amount, and is output to the drive circuit 30 in step S440.

On the other hand, if it is determined in step S420 that the occupant has manually operated the manual air volume switching switch 371 of the operation unit 37, the applied voltage characteristics are changed (learned) in step S450. In the learning method, a voltage value input by a manual operation and an applied voltage BLW (L
1 to L5) is changed to an equation that approximates the least squares. Then, the changed applied voltage characteristics are stored in the standby RAM 31b. Incidentally, the data of the voltage value by the manual operation of the occupant is taken in the standby RAM 31b in time series and stored, and the data of the manual operation of the occupant increases every time this flow is performed. The applied voltage characteristic is further changed to a value closer to the manually operated value of the occupant so as to approximate the power.

Next, in step S460, based on the changed applied voltage characteristics, the applied voltage of the divided area corresponding to the amount of solar radiation at this time is calculated as a control amount.
At 40, it is output to the drive circuit 30.

The control characteristic changing means in this embodiment corresponds to step S450, and the control amount determining means corresponds to steps S430 and S460.

The configuration and operation of the first embodiment have been described above, and the operation and effect will be described below.

In the applied voltage control characteristic, a region where learning accuracy is required is weighted in the entire region where the amount of solar radiation can be taken as an environmental condition, and the division width of the region is set to be small. Therefore, fine-grained learning control is possible, and control according to the occupant's preference becomes possible.
In this case, since the number of divisions is not increased, the memory capacity is not increased and the calculation time is not increased.

More specifically, the present embodiment is applied to a learning control of the applied voltage of the blower 27 with respect to the amount of solar radiation among various environmental conditions. Since the divided area is set to be small, learning is performed in a direction in which the applied voltage characteristic converges in accordance with the manual operation of the occupant, and this learning ensures that a desired air flow rate is obtained.

Further, since the width of the divided region of the amount of solar radiation is set to be exponentially larger than the amount of solar radiation, programming of the control characteristics is facilitated.

In this embodiment, among the applied voltage characteristics,
Although the equation relating to the plane designated in FIG. 5B has been described as a representative example, it may correspond to an equation relating to another plane. Also, the equations relating to the flat plane can be dealt with in the same way if a to d are set to be different constants for each divided region of the amount of solar radiation. Further, the equation for the plane of BLW =
Although the step-like characteristics represented by L (L1 to L5) are used, the characteristics may be continuous as an equation having a gradient.

(Second Embodiment) The second embodiment is different from the first embodiment in the way of setting the divided areas of the amount of solar radiation.

In the first embodiment, the divided area on the side where the amount of solar radiation is small as the environmental condition is set to be small. However, the present invention is not limited to this. Alternatively, the frequency may be reduced in accordance with the frequency of operation of the occupant's manual air volume switch 371 in response to environmental conditions.

That is, in the case where the divided areas are set in accordance with the frequency of use of the vehicle, for example, as shown in FIG. 4) is preferably divided into small parts.

The occupant's manual air flow rate changeover switch 3
In the case where the divided areas are set in accordance with the operation frequency of the operation 71, as shown in FIG. Good.

As a result, the same effect as in the first embodiment can be obtained.

(Other Embodiments) In the first embodiment described above, the air conditioner 20 is applied to the blower 27 as the operating part of the air conditioner 20. However, the present invention is not limited to this.
2a to 22e may be targeted. In this case, the opening degree control characteristics and the mode control characteristics of the various doors 22a to 22e are T
What is related to AO is assumed to be related to independent environmental conditions such as the outside air temperature, the inside air temperature, and the amount of solar radiation.

For example, in controlling the degree of opening of the air mix door 22b, as shown in FIG. 9, learning control is incorporated into a set temperature map divided by the outside air temperature and the amount of solar radiation. That is, in this map division, the division width on the side where the amount of solar radiation is small is set to be small. Then, an initial set value of the set temperature is assigned in advance so as to temporarily become 25 ° C.
1. The initial set value in the section of TAM2 is learned and changed so as to become the temperature set by the manual operation of the temperature setting switch 36 of the occupant. Thereby, the air mixing door 2 is adjusted to correspond to the learned set temperature.
If the opening of 2b is controlled, the air temperature can be adjusted to the occupant's preference.

The environmental conditions for setting the widths of the divided areas to be different from each other are not limited to the amount of solar radiation, but may be applied to the outside air temperature and the inside air temperature.

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating an overall configuration according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram showing details of a manual air volume switching switch provided in an operation unit in FIG. 1;

FIG. 3 is a flowchart showing a flow of overall control of the air conditioning control device in FIG. 1;

FIG. 4 is a flowchart showing details of learning control in step S400 of FIG. 3;

FIG. 5A is a map showing control characteristics of a blower, and FIG. 5B is an applied voltage characteristic diagram showing a relationship between an internal temperature and an applied voltage with respect to the amount of solar radiation, and FIG.

FIG. 6 is an applied voltage characteristic diagram in which an equation relating to the plane shown in FIG. 5B is projected onto a two-dimensional plane of the amount of solar radiation and the applied voltage.

FIG. 7 is a relationship diagram between the amount of solar radiation and the riding time, showing another method 1 of dividing the amount of solar radiation in the second embodiment of the present invention.

FIG. 8 is a relationship diagram between the amount of insolation and the operation time showing another method 2 of dividing the amount of insolation in the second embodiment of the present invention.

FIG. 9 is a map for determining a set temperature with respect to the outside air temperature and the amount of solar radiation in another embodiment.

FIG. 10 is a control characteristic diagram in the related art.

FIG. 11 is an image diagram showing a state of learning of control characteristics in the related art.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Air-conditioning control apparatus for vehicles 20 Air-conditioning unit (air-conditioning apparatus) 27 Blower (actuation part) 30 Drive circuit (drive means) 31a ROM (control characteristic storage means) 31b Standby RAM (control characteristic storage means) 35 Solar radiation sensor (detection of environmental conditions) Means) 371 Manual air volume changeover switch (manual control amount setting means) S430, S460 Control amount determining means S450 Control characteristic changing means

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Toshifumi Kamiya 1-1-1, Showa-cho, Kariya-shi, Aichi Pref. (72) Inventor Masahiko Tateishi 1-1-1 Showa-cho, Kariya-shi, Aichi Pref. DENSO Corporation

Claims (7)

[Claims] An operating unit (27) provided in an air conditioner (20) and operating to function air conditioning, and an environmental condition detecting means (35) for detecting an environmental condition of a vehicle.
And control characteristic storage means (3) for storing a control characteristic which is a relative relationship between the environmental condition and a control amount to the operating section (27).
1a, 31b); control amount determining means (S430, S460) for receiving the environmental condition detected by the environmental condition detecting means (35) and determining the control amount based on the control characteristic; A control amount manual setting unit (371) for manually setting the amount; and a drive of the operating unit (27) based on each output signal of the control amount determination unit (S430, S460) and the control amount manual setting unit (371). Drive means (30) for controlling
A control characteristic changing unit (S4) for changing the control characteristic when the control amount is changed by the control amount manual setting unit (371) under the predetermined environmental condition among the control characteristics.
50), the control characteristic stored in the control characteristic storage means (31a, 31b) is such that the entire region that the environmental condition can take is divided into a plurality of divided regions, The control amount is associated with each of the control conditions, and the width of the divided area of the environmental condition is set to two or more different sizes. 2. The control characteristic storage means (31a, 31)
2. The air conditioning control device for a vehicle according to claim 1, wherein the width of the divided area of the environmental condition set in b) is set to be smaller as the occupant is more likely to feel the amount of change in the environmental condition. 3. The environment condition detected by the environment condition detection means (35) is the amount of solar radiation, and the width of the divided region is set to be smaller in a region where the amount of solar radiation is smaller. The vehicle air-conditioning control device according to claim 2. 4. The control characteristic storage means (31a, 31)
The vehicle air conditioning control device according to claim 3, wherein the width of the divided region of the amount of solar radiation set in b) is set to increase exponentially according to the amount of solar radiation. 5. The operating section (27) is a blower (27) that blows air from the air conditioner (20) into the cabin of the vehicle, and is stored in the control characteristic storing means (31a, 31b). 5. The vehicle according to claim 3, wherein the control characteristic is an applied voltage control characteristic that is a relative relationship between the amount of solar radiation and a voltage applied to the blower (27). 6. Air conditioning control device. 6. The control characteristic storage means (31a, 31)
2. The air conditioning control device for a vehicle according to claim 1, wherein the width of the divided area of the environmental condition set in b) is reduced according to the frequency of use of the vehicle with respect to the environmental condition. 3. 7. The control characteristic storage means (31a, 31)
The width of the divided area of the environmental condition set in b) is determined by the occupant's control amount manual setting means (37) for the environmental condition.
2. The air-conditioning control device for a vehicle according to claim 1, wherein the air-conditioning control device is configured to reduce the frequency according to the operation frequency of 1).