JPH0382626A - Air conditioner for vehicle - Google Patents

Abstract

PURPOSE:To obtain an air conditioner with no uncomfortableness by automatically selecting air blowout holes based on data in a system controlling the wind quantity and temperature of the blowout air based on the data from a temperature setter and a room temperature sensor. CONSTITUTION:A blowout hole setter 54 for setting air blowout holes, a temperature setter 40 for setting the room temperature, and a room temperature sensor 50 for measuring the room temperature are provided. The wind quantity and temperature of the blowout air from an air conditioner 60 are controlled by a wind quantity/temperature control means 30 based on the preset temperature and the measured temperature. A blowout hole changing means 10 for changing air blowout holes in response to the preset temperature is provided, and blowout holes are selected by a blowout hole control means 20 according to commands from the changing means 10 and the blowout hole setter 54. An air conditioner can be operated with no uncomfortableness when a person rides in a vehicle left outdoors for a long period in summer or in winter.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a vehicle air conditioner, and particularly relates to a vehicle air conditioner suitable for preventing discomfort at the initial stage of operation and quickly achieving a comfortable temperature. .

[Conventional technology]

When getting into a vehicle that has been left outdoors for a long time in the summer,
Passengers first set the temperature to the lowest setting to rapidly cool the inside of the car.
After a while, if it feels too cold, the set temperature will be changed to the normal comfortable temperature, but at this time, if the difference between the inside temperature and the set temperature is large, a relatively high temperature will be changed to quickly bring the inside temperature to the set temperature. There was an inconvenience in that air was blown out into the faces of the occupants, causing discomfort to the occupants.

In addition, in winter, passengers first set the temperature to the maximum in order to quickly raise the temperature inside the car, and after a while, if they feel too hot, they change the set temperature to the normal comfortable temperature. If the difference from the set temperature is large, the temperature inside the car will become
In order to reach the set temperature, relatively low-temperature air is blown into the passengers' faces, causing discomfort to the passengers.

Therefore, there was a need for a method to moderate the control of air volume and temperature.

FIG. 7 shows a conventional example. The conventional example shown in FIG. 7 includes a temperature setting device 40 for the occupant to set the temperature inside the car, an inside temperature sensor 50 for measuring the temperature inside the car, and a temperature setting device 40 for the passenger to set the temperature inside the car, a temperature sensor 50 for measuring the temperature inside the car, and a temperature setting device 40 for the passenger to set the temperature inside the car. Air volume/temperature control means 30 for controlling the volume and temperature of air blown out from the air conditioner 60 based on data, and a temperature setting device 4
The air volume/temperature control changing means 35 is provided for adjusting the control amount of air volume/temperature based on the temperature set at 0.

In the above conventional example, when the set temperature is changed, if the difference between the previous set temperature and the new set temperature is larger than a certain value, the air volume/temperature control changing means 35 reduces the control amount, and the air volume/temperature control is Control by the means 30 is relaxed.

[Problem to be solved by the invention]

However, in the conventional example described above, since restrictions are placed on air volume and temperature control, there is a disadvantage that it takes time for the temperature inside the vehicle to reach the set temperature, which is a comfortable temperature.

[Purpose of the invention]

The object of the present invention is to improve the disadvantages of the conventional example, and to provide a vehicle that does not cause discomfort even when the vehicle is left outdoors for a long time, especially in summer or winter, and can quickly reach a comfortable temperature. The purpose of this company is to provide air conditioning equipment for

[Means to solve the problem]

Therefore, the present invention includes an air outlet recess setting device for setting the air outlet, a temperature setting device for the occupant to set the temperature inside the car, and an inside temperature sensor for measuring the temperature inside the car. ing.

Furthermore, there is an air volume/temperature control means for controlling the volume and temperature of the air blown out from the air conditioner based on the data from the temperature setting device and the temperature sensor, and based on the data from the blowout concave setting device and the temperature setting device. The air blower is configured to include an air outlet changing means for selecting an air outlet, and an air outlet controlling means for controlling the air outlet according to commands from the air outlet recess setting device and the air outlet changing means.

This is a distant relative of the above-mentioned purpose.

C action] When the control state is changed from cooling to heating or from heating to cooling, if the difference in set temperature is greater than a certain value,
The air outlet will be changed for a certain period of time.

[Embodiments of the invention]

An embodiment of the present invention will be described below with reference to FIGS. 1 to 6.

The embodiment shown in FIG. and 50, an air volume/temperature control means 30 for controlling the volume and temperature of air blown out from the air conditioner 60 based on data from the temperature setting device 40 and the vehicle interior temperature sensor 5o, and an air volume/temperature control means 30 for controlling the volume and temperature of air blown out from the air conditioner 60 according to data from the temperature setting device 4o. It is equipped with a blowout changing means 10 for changing the air blowing hole by changing the air blowing hole, and a blowing hole control means 2o for controlling the blowing hole according to commands from the blowing recess setting device 54 and the blowing hole changing means 10.

Furthermore, a detailed configuration diagram of this embodiment is shown in FIG.

The embodiment shown in FIG. 2 includes a blowout concave setting device 54 for the occupant to set the air blowout port, a temperature setting device 4o for setting the temperature inside the car, and a temperature setting device 4o for measuring the temperature inside the car. The vehicle interior temperature sensor 50 is also provided. Further, an opening sensor 51 is used to detect the opening of the air conditioner 6o's internal/external air door, air supply door, defroster door, vent door, and foot door, and a solar radiation sensor 52 is used to detect the amount of solar radiation, and the external temperature is measured. an outside air temperature sensor 53 to convert the analog signals from these sensors into digital signals;
MPU for controlling the air volume, temperature, and outlet of the air blown out according to the signal from the A/D converter 70
15. In addition, the balloon number setting device 54 is
In some cases, the A/D converter 70 is not used.

Here, algorithms for the air outlet changing means 10, the air outlet controlling means 20, and the sail amount/temperature controlling means 30 are programmed into the MPU 15.

In addition, the drive circuits A81 to A81 are controlled by the output from the MPU15.
The drive circuit H8B is driven, and each drive part of the air conditioner 60 (actuator for inside/outside air door 61, motor for fan 62, compressor for evaporator 63, actuator for near mix door 964, actuator for water valve 65, actuator for defroster door) 6
6, the ventilator door actuator 67 and the foot door actuator 68) are controlled.

Next, the operation of this embodiment will be explained with reference to the flowchart of FIG.

The flowchart shown in FIG. 3 is for a case where the user gets into a vehicle that has been left outdoors for a long time in the summer.

(1) First, the vehicle air conditioner is started by the occupant. At this time, the set temperature remains the same as before leaving the vehicle (Tpt
cO).

(2) Immediately, the set temperature of the temperature setting device 40 is changed to the lowest value (Tptcl) by the occupant.

(2) The set temperature and the vehicle interior temperature (Tr) are input (511 in FIG. 3).

■Since it is cooling control (512 in Figure 3), the air volume/temperature control means 30 is activated based on the set temperature (Tptcl) and the interior temperature (Tr) (314 in Figure 3), and the air outlet is It is as set.

■The set temperature (Tptcl) and the vehicle interior temperature (Tr) data from the vehicle interior temperature sensor 50 are periodically sent (5ll of the third example), and the scenery/temperature control means 30 is activated (314 in FIG. 3). .

(2) When the temperature inside the vehicle approaches the set temperature (Tptcl) and the occupants feel too cold, the set temperature of the temperature setting device 40 is changed to the comfortable temperature (Tptc2).

■, since it is a temperature increase control (312 in Figure 3) and the previous one was a cooling control (313 in Figure 3), the current set temperature (T p tc2 ) and the previous set temperature (Tptc
l) is calculated (ΔTptc) (31 in Figure 3).
5).

■, the value to which ΔTptc is set (Tp)
It is determined whether it is larger than (316 in Figure 3)
.

(2) If ΔTptc is smaller than Tp, a control signal is sent to the air volume/temperature control means 30 to perform air volume/temperature control, and the air volume/temperature control is performed (5L4 in FIG. 3).

If [phase], ΔTptc is greater than or equal to Tp, an internal timer is activated (317 in FIG. 3).

(3) The air outlet changing means 10 is activated (3 in Fig. 3).
18).

(3) The air outlet control means 20 is activated (3 in Fig. 3).
19).

■, the air volume/temperature control means 30 is activated (3 in Fig. 3).
20).

[Phase] When the internal timer reaches a predetermined value (521 in Figure 3), the air outlet is returned to the set state (Figure 3).
322) and returns to the initial mode.

Next, the operation of the air outlet changing means 10 will be explained with reference to the flowchart shown in FIG.

(2) First, the setting state of the air outlet is input (851 in FIG. 4).

■, If the previous control was cooling control (852 in Figure 4) and the setting state of the air outlet is ventilator mode (only the ventilator duct is open) (353 in Figure 4), the fifth
Defroster door actuator 6 as shown in the figure
By driving 6, the air outlet becomes a defroster.
The mode is changed to the ventilator mode (the defroster duct and the ventilator duct are open) (354 in FIG. 4).

(2) If the previous control was cooling control (552 in FIG. 4) and the mode is not the duck ventilator mode (353 in FIG. 4), the air outlet is not changed.

■If the previous temperature increase control was performed (852 in Figure 4) and the foot mode (only the foot duct is open) (355 in Figure 4), the defroster door actuator 66 is activated as shown in Figure 5. By driving the air outlet, the air outlet is changed to the defroster/foot mode (the defroster duct and foot duct are open) (856 in FIG. 4).

(2) If the previous temperature increase control was performed (552 in FIG. 4) and the mode is not foot mode (555 in FIG. 4), the air outlet is not changed.

As shown in FIG. 6, the above operation allows air volume/temperature control to be performed so that when the set temperature is changed, the temperature inside the vehicle changes faster than before.

〔Effect of the invention〕

As described above, according to the present invention, there is an air outlet setting device for setting the air outlet, a temperature setting device for the occupant to set the temperature inside the car, and an inside temperature sensor for measuring the temperature inside the car. , a landscape/temperature control means for controlling the volume and temperature of air blown out from the air conditioner based on data from the temperature setting device and the vehicle interior temperature sensor, and a means for controlling the air outlet according to the data from the temperature setting device. Since the configuration includes an air outlet changing means for changing the air outlet, and an air outlet controlling means for controlling the air outlet based on commands from the air outlet setting device and the air outlet changing means, The air outlet can be automatically controlled when changing to temperature control or when changing from temperature raising control to cooling control.

For this reason, for example, when getting into a vehicle that has been left outdoors for a long time in the summer, the occupants first set the temperature to the lowest setting in order to rapidly cool the interior of the vehicle, and after a while, if they feel it is too cold, they return the temperature to the normal setting. However, at this time, the relatively high temperature air does not blow into the passenger's face, and the comfortable temperature can be reached more quickly than before. The set temperature is set to the maximum in order to raise the temperature, and after a while, when the temperature starts to feel hot, the set temperature is changed to the normal comfortable temperature. It is possible to provide an unprecedented and excellent vehicle air conditioner that can reach a comfortable temperature more quickly than the conventional vehicle air conditioner.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention, FIG. 2 is a constituent country showing details of FIG. 1, FIG. 3 is a flowchart for explaining the operation of the embodiment of FIG. 1, and FIG. The figure is a flowchart for explaining the operation of the first outlet changing means, FIG. 5 is a constituent country for explaining the outlet control in FIG. 1, FIG. 6 is an operation diagram of FIG. The figure is a block diagram of a conventional example. 10... Means for changing air outlet, 20...
・Air outlet control means, 30...Air volume/temperature control means, 40...Temperature setting device, 50...
・In-vehicle temperature sensor 54... Air outlet setting device, 60... Air conditioner. Figure 4 Figure 2 Figure 4 Figure 4

Claims (1)

[Claims] (1) Equipped with an air outlet setting device for setting the air outlet, a temperature setting device for setting the temperature inside the car, and an inside temperature sensor for measuring the temperature inside the car at a predetermined location in the vehicle, An air volume/temperature control means for controlling the volume and temperature of air blown out from the air conditioner based on data from the temperature setting device and the temperature sensor inside the vehicle, and an air volume/temperature control means for controlling the air volume and temperature of the air blown out from the air conditioner based on data from the temperature setting device and the temperature sensor. An air conditioner for a vehicle, comprising an air outlet changing means for selecting an air outlet, and an air outlet controlling means for controlling the air outlet according to instructions from an air outlet setting device and an air outlet changing means. Device.