JPH05203204A - Humidifying operation control device of air conditioner - Google Patents

Abstract

PURPOSE:To always control the temperature in a room within a predetermined range and create a comfortable living atmosphere having always a uniform temperature distribution. CONSTITUTION:In an indoor machine of the wall hung type of an air conditioner, a humidifying element unit 13 including water-absorbing resin for naturally evaporating the moisture in a water receiving dish by ventilation for treating condensed water of a heat exchanger is provided in a ventilation line including a heat exchanger and a fan, and a tank 15 for feeding water to the humidifying element unit 13 is incorporated into the indoor machine so that, when the output value of a humidity sensor 12 of the indoor machine is lower than a predetermined value, feed water rate is controlled by a solenoid valve 14 provided between the tank 15 and the unit 13 to perform humidification.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a humidifying operation control device for an air conditioner.

[0002]

2. Description of the Related Art Conventionally, in a wall-mounted air conditioner, a humidifier is not built in an indoor unit, but a humidification operation signal is transmitted from the indoor unit when the output value of the humidity sensor of the indoor unit is low. It is known that other equipment control systems that perform humidifying operation by receiving a separately sold humidifier have been adopted and commercialized.

[0003]

However, when the humidifying unit built in the indoor unit is not installed especially in the blower circuit, the humidity in the room varies depending on the place where the separately sold humidifier is placed or the wind direction of the indoor unit. The distribution changed, and it was difficult to always make the humidity distribution uniform. In addition, the uneven distribution of humidity has forced the generation of dew condensation on walls and windows.

The present invention has been made in view of the above problems, and its purpose is to always control the indoor humidity within a certain range and to always create a comfortable living environment with a uniform humidity distribution. To provide a humidifying operation control device for an air conditioner.

[0005]

In order to solve the above problems, a humidification operation control device of the present invention is a wall-mounted indoor unit of an air conditioner, wherein the heat exchange is performed in a blower circuit including a heat exchanger and a blower fan. A humidifying element unit made of a water-absorbent resin that naturally evaporates water by aeration is installed in a water tray for treating condensed water of the container, and a tank for supplying water to the humidifying element unit is built in the indoor unit and a humidity sensor for the indoor unit is installed. When the output value of 1 is lower than a preset value, the amount of water supplied is adjusted by a solenoid valve provided between the tank and the humidifying element unit to perform humidification.

The output value of the humidity sensor of the indoor unit is
The difference in the indoor humidity distribution is added as a correction value.

Further, the difference in the humidity distribution in the room, which differs depending on the indoor fan speed, is added as a correction value to the output value of the humidity sensor of the indoor unit.

Further, an upper limit set value is set in advance for the output value of the humidity sensor of the indoor unit, and when the output value of the humidity sensor is high, the solenoid valve is turned off to prevent dew condensation on windows and walls in the room. It is the one.

Further, in the humidifying element unit of the indoor unit, since the humidifying amount changes depending on the indoor fan speed (the amount of ventilation changes, a water supply time interval is provided in advance in the solenoid valve for adjusting the amount of water supply corresponding to each indoor fan speed. It is a thing.

Further, the humidifying element unit of the indoor unit changes the humidifying amount according to the indoor temperature, so that a step is set in advance for the indoor temperature and a water supply time interval is provided in the solenoid valve for adjusting the water supply amount corresponding to the step. It is a thing.

[0011]

With the above-described structure, the present invention enables clean humidification of natural evaporation by aeration of the blower circuit in the wall-hung specification room.

Further, the difference in the indoor humidity distribution can be added as a correction value to the output value of the humidity sensor of the indoor unit to optimize the humidity in the living space of a person.

Further, the difference in the humidity distribution in the room, which varies depending on the indoor fan speed, is added to the output value of the humidity sensor of the indoor unit as a correction value, so that the humidity in the actual use condition can be optimized.

Further, an upper limit set value is set in advance for the output value of the humidity sensor of the indoor unit, and when the output value of the humidity sensor is high, the solenoid valve can be turned off to prevent dew condensation on windows and walls in the room. ..

Further, in the humidification element unit of the indoor unit, since the humidification amount changes depending on the indoor fan speed (the amount of ventilation, the electromagnetic valve for adjusting the amount of water supply corresponding to each indoor fan speed is provided with a water supply time interval to improve the efficiency. Water supply and humidification are possible.

Further, in the humidifying element unit of the indoor unit, since the humidification amount changes depending on the indoor temperature, a step is provided in advance for the indoor temperature, and a water supply time interval is provided in the solenoid valve for adjusting the water supply amount corresponding to the step. Can supply water and humidify efficiently.

As a result of these, it is possible to always control the indoor humidity within a certain range and to create a comfortable living environment with a uniform humidity distribution.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic view of an air conditioner in an embodiment of the present invention. In the figure,
The indoor unit 11 includes a relative humidity sensor 12 that detects the relative humidity w in the room, a humidifying element unit 13 that naturally evaporates by ventilation, a solenoid valve 14 that adjusts the amount of water supplied to the humidifying element unit 13, a humidifying tank 15, and an indoor temperature. The temperature sensor 16 for detection, an indoor fan, and a fan motor for driving the indoor fan are included.

A control block diagram is shown in FIG. The indoor unit 11 includes an indoor relative humidity detecting means 21, an indoor temperature detecting means 22, an indoor control section (microcomputer) 23, and an electromagnetic valve control means 24 for controlling an electromagnetic valve 14 for adjusting the amount of water supplied to the humidifying element unit 13. Fan speed control means 25 for controlling the indoor fan speed is provided.

Next, the operation of the humidifying operation control device adapted to the air conditioner having the above-mentioned configuration will be mainly described with reference to the flowchart of FIG.

First, when the heating operation is started, the indoor relative humidity detecting means 21 detects the relative humidity w and compares it with the relative humidity W1 preset in the indoor control section 23. If w <W1 The control signal 1 is output from the control section 23 to the electromagnetic valve control means 24, the water in the humidification tank 15 is supplied to the humidification element unit 13, and the humidification is started.

At this time, the difference in the humidity distribution in the room is added as the correction value Δw1 to the output value w of the relative humidity sensor 12 to optimize the humidity in the living space of a person.

Further, in the output value w of the relative humidity sensor 12,
The difference in the indoor humidity distribution, which differs depending on the indoor fan speed set by the fan speed control means 25, is added as the correction value Δw2, and the humidity in the actual use state can be optimized.

Further, the output value w of the relative humidity sensor 12 is preset with an upper limit set value W2 so that the output value of the humidity sensor is w ≧
In the case of W2, it is possible to turn off the solenoid valve to stop the humidification and prevent the dew condensation on the windows and walls in the room.

Further, in the humidifying element unit 13, as shown in FIG. 4, the indoor fan speed (because the humidifying amount changes depending on the ventilation amount, the time interval of water supply to the solenoid valve 14 for adjusting the amount of water supply corresponding to each indoor fan speed in advance). By providing T1, efficient water supply and humidification can be performed.

Further, in the humidifying element unit 13, the humidifying amount changes depending on the room temperature t as shown in FIG.
Efficient water supply and humidification can be performed by providing a step for the room temperature in advance and providing a time interval T2 of the water supply to the solenoid valve 14 that adjusts the amount of water supply corresponding to the step.

[0027]

As described above, according to the humidifying operation control device for an air conditioner of the present invention, compact storage is possible in an indoor unit, and a natural humid clean humidification is achieved by ventilation of a blower circuit in a wall-mounted room. it can.

Further, the difference in the humidity distribution in the room is added as a correction value to the output value of the humidity sensor of the indoor unit, so that the humidity in the living space of a person can be optimized.

Further, the difference in the humidity distribution in the room, which varies depending on the indoor fan speed, is added to the output value of the humidity sensor of the indoor unit as a correction value to optimize the humidity in the actual use condition.

Furthermore, an upper limit set value is set in advance for the output value of the humidity sensor of the indoor unit, and when the output value of the humidity sensor is high, the solenoid valve can be turned off to prevent dew condensation on windows and walls in the room. ..

Further, in the humidifying element unit of the indoor unit, since the humidification amount changes depending on the indoor fan speed (the amount of ventilation changes, a time interval of water supply is provided in advance in the solenoid valve for adjusting the amount of water supply corresponding to each indoor fan speed. Water supply and humidification are possible.

Further, in the humidifying element unit of the indoor unit, since the humidification amount changes depending on the indoor temperature, a step is provided in advance for the indoor temperature, and a water supply time interval is provided in the solenoid valve for adjusting the water supply amount corresponding to the step, Can supply water and humidify efficiently.

As a result, the indoor humidity can always be controlled within a certain range, and a comfortable living environment with a uniform humidity distribution can always be created.

[Brief description of drawings]

FIG. 1 is a schematic view of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a block diagram of an embodiment of the present invention.

FIG. 3 is a flowchart of a humidification operation control device according to the present invention.

[Fig. 4] Characteristic diagram of indoor fan speed (aeration amount) and humidification amount

FIG. 5: Characteristic diagram of indoor temperature and humidification amount

[Explanation of symbols]

 11 Indoor Unit 12 Relative Humidity Sensor 13 Humidification Element Unit 14 Solenoid Valve 15 Humidification Tank 16 Indoor Temperature Sensor 21 Indoor Relative Humidity Detection Means 22 Indoor Temperature Detection Means 23 Indoor Control Section (Microcomputer) 24 Solenoid Valve Control Means 25 Fan Speed Control means

Claims (6)

[Claims] 1. In an indoor unit of an air conditioner, a blower circuit including a heat exchanger and a blower fan is made of a water-absorbent resin that naturally evaporates water by aeration in a water tray for treating condensed water of the heat exchanger. Install the humidification element unit,
A tank for supplying water to the humidifying element unit is built in the indoor unit, and when the output value of the humidity sensor of the indoor unit is lower than a preset value, the amount of water supply is adjusted by a solenoid valve provided between the tank and the humidifying element unit. A humidifying operation control device for an air conditioner, which is characterized by performing humidification. 2. The humidifying operation control device for an air conditioner according to claim 1, wherein the difference in the indoor humidity distribution is added as a correction value to the output value of the humidity sensor of the indoor unit. 3. A humidifying operation control device for an air conditioner according to claim 1, wherein the humidity sensor output of the indoor unit is added as a correction value with a difference in indoor humidity distribution which varies depending on the indoor fan speed. .. 4. An upper limit set value is set in advance for the output value of the humidity sensor of the indoor unit, and when the output value of the humidity sensor is high,
The humidification operation control device for an air conditioner according to claim 1, wherein the solenoid valve is turned off to prevent dew condensation on a window or a wall in the room. 5. The humidifying operation control device for an air conditioner according to claim 1, wherein a solenoid valve for adjusting the amount of water supply corresponding to each indoor fan speed is provided with a time interval of water supply. 6. The humidifying operation control device for an air conditioner according to claim 1, wherein a step is provided for the indoor temperature, and a solenoid valve for adjusting the amount of water supply corresponding to the step is provided with a time interval of water supply. ..