JPS625261B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a control device for an air conditioner, and an object of the present invention is to provide comfortable heating and cooling.

Conventional air conditioners do not have controls to change the set temperature, so as shown in Figure 4, after the air conditioner starts operating, the room temperature is around the set temperature c'.
When the OFF point d′ is reached, the heat source stops and then the ON point
When e′ was reached, the heat source was started again and the same operation was repeated thereafter. Therefore, during heating, the room temperature reaches the set temperature from a low state, and then the heat source is turned off.
The drawback was that residents felt cold when the heating was turned off. (On the other hand, if the room temperature changes from a high state during cooling, you feel hot.) In general, people's sense of heat and cold is not only affected by the indoor temperature, but also by the radiant heat from the walls of the room. It is. In other words, the above drawback tends to occur when the room temperature reaches the set temperature for the first time after the air conditioner starts operating, and even if the room temperature reaches the set temperature, the room wall temperature has not risen sufficiently, so the cooling from the wall It represents feeling cold due to radiation. However, after a certain amount of time elapses after the air conditioner starts operating, the wall temperature also rises, so residents can be satisfied with the above settings, and for this reason, residents often do not change the set temperature. In this way, humans perceive the same set temperature differently after the air conditioner starts operating and after a certain amount of time has passed, but it is cumbersome for residents to change the set temperature each time. be.

The present invention detects the difference between the room temperature and the set temperature at startup, and if the difference is above a certain level, changes the set temperature, thereby solving the above-mentioned drawbacks of the conventional technology. An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.
This will be explained based on the diagram.

In FIG. 1, reference numeral 1 denotes an air conditioner body, which has a heat exchanger 2, a blower 3, etc. therein, and a sensor 4 for detecting room temperature inside the room or inside the body 1.

During normal use, the control unit controls the room temperature to the set temperature, but at startup, the room temperature signal detected by the sensor 4 is sent to the room temperature via the temperature comparator 5, which compares the room temperature with the set temperature. It is transmitted to the setting device 6. That is, during heating, when the air conditioner body 1 starts operating, the temperature comparator 5 compares the room temperature detected by the sensor 4 and the above-mentioned set temperature set by the resident, and the difference is determined to be a constant value (5 degrees). If the room temperature is higher than the temperature set by the resident, the indoor temperature setting device 6 resets the room temperature to be 2 to 3 degrees higher than the set temperature set by the resident, and performs heating. Thereafter, when the indoor temperature setting device 6 detects the first OFF of the compressor 7, the set temperature is returned to the desired room temperature originally set by the occupant.

Therefore, as shown in Figure 3, after the heating operation starts, the initial room temperature a and the temperature b set by the occupant
If the difference between b and b is greater than a certain value, the set temperature is automatically reset to c, which is 2 to 3 degrees higher than b. Therefore, the feeling of cold radiation from the wall surface that occurs after the heating operation starts is covered by raising the room temperature by 2 to 3 degrees above the set temperature. After that, when the room temperature reaches the OFF point d of the set temperature c, the set temperature returns to b set by the resident, and the air conditioner main unit 1 turns ON and OFF according to the setting of b. In this case, the temperature of the walls inside the room rises and there is no feeling of cold radiation, so the occupants can enjoy the comfort of the originally preferred temperature setting.

Although the example during heating has been described above, exactly the same thing is applied during cooling. That is, during cooling, if the difference between the initial room temperature and the set temperature is above the above-mentioned certain value, the same effect can be obtained by setting the set temperature 2 to 3 degrees lower.

As is clear from the above explanation, since the air conditioner of the present invention detects the difference between the room temperature and the set temperature and changes the set temperature, a feeling of comfort can be provided both at the start of air conditioning operation and afterward. It is.

[Brief explanation of the drawing]

Fig. 1 is a schematic sectional view showing one embodiment of the air conditioner of the present invention, Fig. 2 is a control block diagram of the same, Fig. 3 is a diagram showing the relationship between room temperature and time showing the effect of the air conditioner, and Fig. 4 is a diagram showing the relationship between room temperature and time.
The figure is a diagram showing the relationship between room temperature and time in a conventional air conditioner. 4...Room temperature sensor, 6...Indoor temperature setting device.

Claims (1)

[Claims] 1. A main body having a heat source, a room temperature sensor provided indoors or inside the main body, a setting device for the occupant to set the room temperature, and a detection value of the room temperature sensor so as to match the room temperature set by the setting device. and a temperature comparator that compares the detected value of the room temperature sensor and the set value of the setting device when the heat source is started, and the temperature comparator compares the detected value of the room temperature sensor with the set value of the setter when the heat source is activated. is detected, the set value set by the setting device is changed by a certain temperature, to a lower value during cooling and a higher value during heating, and when the changed set value is detected by the room temperature sensor, the change is canceled. An air conditioner equipped with an indoor temperature setting device.