JPS6042539A - Air conditioner - Google Patents

Abstract

PURPOSE:To improve comfortability at a building-up time of operation, by a method wherein after starting of the operation the direction of an air flow controlled at about vertically downward to a floor surface until an output of an indoor temperature detecting device or blow-off temperature detecting device arrives at a predetermined value or a predetermined period of time elapses. CONSTITUTION:When operation is started, a period after starting of the operation is counted at timer 14. In this instance, an air flow direction is set up so that it is turned downward verticially 19. When an indoor temperature T is detected by a thermistor 15 and T>Tc is given as compared with the blow-off air flow direction changeover temperature Tc, an air flow direction control blade is turned to a position wherein a blow-off air flow direction forms an angle of 70- 80 deg. downward 17. If t>tc is given in case of T<=Tc as compared 18 a period (t) after starting of the operation with a changeover period tc of a blow-off air flow direction, the air flow direction is changed over in a similar manner to the foregoing matter. It becomes possible to obtain heating feeling rapidly without generating cool air feeling within a residential area by blowing a blow-off air flow toward a floor surface vertically.

Description

[Detailed description of the invention] Industrial applications The present invention relates to an air conditioner.

Although the degree to which the intruding airflow causes a feeling of cold air is small, the room temperature is low, especially when standing up after the start of operation, and therefore the blowing temperature is also low, which tends to cause a feeling of cold air. . In order to solve this cold air feeling, conventionally, when the room temperature at startup is still low, the direction of the blowing air is directed horizontally outside the living area.
After the room temperature or the blowing temperature rises to a level that does not cause a feeling of cold air, a method is used to switch the airflow downward.

However, if the wind direction is set horizontally at the start of operation, the temperature in the lower part of the room does not rise easily, and although the feeling of cold air does not occur, it takes time to feel the feeling of heating.

OBJECTS OF THE INVENTION The object of the present invention is to eliminate such conventional drawbacks, and particularly to improve the comfort during the start-up of the vehicle.

Structure of the Invention In order to achieve this object, the present invention includes a blowout air direction changing means, an indoor temperature detecting means or a blowout temperature detecting means, and an output of the indoor temperature detecting means or blowout temperature detecting means after the start of operation. A control device is provided for controlling the direction of the wind by the Suita wind direction changing means to be substantially perpendicularly downward to the floor surface or in the direction of a wall surface that is close to the main body after a certain period of time has elapsed.

With this configuration, after the equipment starts operating, when the room temperature or Suita temperature is low, the blowing direction is directed perpendicular to the floor or toward the wall that is close to the equipment, thereby preventing airflow from entering the living area and directing the air to the lower part of the room. It has the effect of changing the temperature of a part of the area by -1-.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 2 to 6.

In FIG. 2, reference numeral 1 denotes an air conditioner main body, which has a heat exchanger 2, a blower 3, etc. inside. Wind direction control units 5a, 5b, and 5c are installed at the Suita exit 4 as wind direction changing means and are connected by a connecting rod 6.A step motor 8 is installed at the end of the shaft 7 of the wind direction control unit 58. The rotation angle is controlled via a control device 11 by the output of a thermistor 10 provided at the suction port 9 to detect the room temperature.

FIG. 3 is a block diagram of the control device 11, which is composed of a thermistor 10 that detects the entire room temperature ff, a step motor control circuit 12 that rotates the step motor 8 based on the output of this thermistor 1°, and a timer circuit 13. Ru.

The operation when heating operation is started in the above configuration is described in the fourth section.
This will be explained using FIGS.

FIG. 4 is a flow chart of the operation. When the operation is started, the timer circuit 13 is activated and the time after the start of operation is counted.14 At this time, the wind direction control g5a, 5b,
5c, the room temperature T is detected by the thermistor 10 set so that the wind direction is vertically downward 15, and compared with the blowout air direction switching 7 quality Tc, 16, T > T c
If so, the step motor control circuit 12 rotates the step motor 8 and rotates the wind direction control blade to a position where the blowing air direction is downward 70' to 80 degrees.17oT≦Tc, the time t after the start of operation and The blowout air direction switching time tc is compared, and if tc, the wind direction is changed in the same manner as above.17o When T≦tc and t≦tc, the wind direction is kept vertically downward.19°Here, the blowout direction is changed. Figure 5 shows the indoor airflow when the room is oriented vertically downward. The airflow reaches the floor and spreads out, and it takes a short time to reach the surrounding area, so it only spreads to a part of the room before returning again.
1 line. In this case, the air on the side where the equipment is installed is heated. Therefore, at the start of the rotation, a heating effect can be obtained by positioning the occupant in the range A in the figure, and since the airflow is destroyed on the floor, an unpleasant feeling of cold air does not occur.

If the temperature at the time of rising -1 in the range shown in Fig. 5 is plotted against time on the horizontal axis, it becomes as shown in Fig. 6.

When the temperature in the room reaches Tc, or the time tc has elapsed, the airflow is blown out vertically downward, so the airflow circulates within the room and the temperature in the upper layer increases as shown in the figure. 〒-ii. After that, when the airflow reaches a level that does not give a feeling of cold air, the airflow angle is changed to a downward angle of 70 to 80 degrees and the air conditioning is switched to air conditioning the entire room. On the other hand, an example using a conventional downward blowing airflow of 70 to 800 degrees is shown in b. In this case, from the time of startup, the air throughout the room is circulated and the temperature is uniformly lowered by 1, but the valve speed in the range A is therefore slow. Furthermore, when the temperature is low, the blown air flows into the living area, causing a feeling of cold air.

In this way, by blowing out the airflow vertically toward the floor surface at the start of operation, it does not create a feeling of cold air in the living area, and it is possible to heat a part of the living area, making it possible for the occupants to By being located within this range, you can quickly feel the feeling of heating.

Furthermore, a portion of the airflow directly heats the walls and windows, and has the effect of suppressing cold radiation when a resident approaches the wall on the side where the equipment is installed.

Although the present embodiment has been described for the time of heating, by performing the same control at the start of operation during the time of cooling, the feeling of cooling can be obtained quickly and the comfort at the time of start-up can be improved.

Although not shown, similar effects can be obtained even if the wind direction is changed based on the blowing temperature as another embodiment.

Furthermore, by directing the blowing air toward the wall closest to the device, the effect of heating (during heating) and cooling (during cooling) the wall surface increases, and at the same time, when the air volume is large, it is desirable to attenuate the speed of the airflow and diffuse it. This is a very effective method in some cases.

Effects of the Invention As described above, the air conditioner of the present invention provides the following effects.

(1) The outlet air direction changing means, the indoor temperature detecting means or the outlet temperature detecting means, after the start of operation, until the output of the indoor temperature detecting means or the outlet temperature detecting means reaches a certain value or a certain period of time elapses; Since the configuration is provided with a control device that controls the direction of the air flow by the blowing air direction changing means to be substantially perpendicularly downward to the floor surface or in the direction of the wall surface closest to the main body, the air blowing direction can be adjusted to It is possible to raise the air temperature in a certain area without letting the airflow enter the living area, which suppresses the feeling of cold air caused by low-temperature airflow, and also reduces heating compared to heating the entire indoor air. This has the effect that the occupant can quickly feel the heating sensation by being located in the area.

@) Part or all of the airflow shines directly onto the wall closest to the device, so during heating, the wall is heated and cold radiation is suppressed. At this time, the effect is great because the occupants are close to this wall surface.

[Brief explanation of drawings]

Fig. 1 is a diagram showing the relationship between the airflow and the living area of a conventional air conditioner, Fig. 2 is a sectional view showing an embodiment of the air conditioner of the present invention, and Fig. 3 is a block diagram of the control device. figure,
Fig. 4 is a flowchart showing the same operation, Fig. 5 is a diagram showing the state of airflow in the same room, and Fig. 6 is a rise in temperature with respect to time in the air conditioner of the present invention and the conventional air conditioner in area A in Fig. 5. It is a characteristic diagram. 1...Air conditioner main body, 5a, 5b, 5c...
Wind direction control L a...Step motor, 10...Thermistor, 11...Control device, 13...Timer circuit. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 3 Figure 4

Claims (1)

[Claims] A blowout air direction changing means, an indoor temperature detection means or a blowout temperature detection means, and after the start of operation, the indoor temperature detection means or the blowout temperature detection means until the output of the blowout temperature detection means reaches a certain value or a certain period of time elapses. An air conditioner equipped with a control device that controls the direction of the wind by a wind direction changing means so that it is substantially perpendicularly downward to the floor surface or toward the wall surface closest to the main body.