JPH07103522A - Humidifier - Google Patents

Abstract

PURPOSE:To increase the amount to be humidified, in a humidifier which is used in order to prevent indoor air from drying. CONSTITUTION:A humidifier is composed of a humidifying element 1, a water supply device 2 for supplying water to the humidifying element 1, an electrode 6, a counter electrode 7a which is so located that the humidifying element 1 is between these electrodes and which is not in direct contact with the electrode 6, and a high voltage-generating apparatus 8a wherein an electric field is formed in the space between the electrode 6 and the counter electrode 7a by applying high voltage to the electrode 6 and the evaporation of the water is accelerated by provided the electric field to the humidifying element 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a humidifying device used in an air conditioner or the like to prevent indoor air from drying.

[0002]

2. Description of the Related Art In recent years, from the aspect of indoor environment comfort, it is necessary to maintain an appropriate humidity, which is said to be 40 to 60% relative humidity. The demand for equipment is increasing.

Conventionally, as a humidifying device of this type, Japanese Unexamined Patent Publication No. HEI-1
There is one disclosed in Japanese Unexamined Patent Publication No. 102227.

The conventional humidifier will be described below with reference to the drawings. FIG. 6 is a vertical sectional view of a conventional humidifier. FIG. 7 is a perspective view of a conventional humidifier. In FIG. 6 and FIG. 7, 1 is a humidifying element provided with a plurality of water-absorbing porous materials, and 2 is a water supply device for supplying water to the humidifying element 1. 3 is water for humidification in the water supply device 2, 4 is an air flow of humidified air, and 5 is a drain pan.

The operation of the humidifying device having the above structure will be described below. First, humidifying element 1
The humidifying water 3 is supplied from the water supply device 2 to the humidifying element 1 so that the entire humidifying element 1 retains the water. The heat of the air stream 4 passing between the plural humidifying elements 1 is heated to heat the water held by the humidifying element 1, and the air stream 4 is humidified by spontaneous evaporation. is there. On the other hand, the water that cannot be completely evaporated and is dropped is collected by the drain pan 5.

[0006]

However, in the above-mentioned conventional configuration, the humidification amount largely depends on the temperature and humidity of the humidified air. Therefore, it is necessary when the temperature of the humidified air is low or the humidity is high. There is a drawback that the amount of humidification is insufficient with respect to the amount of humidification.

The present invention solves the conventional problems, and an object of the present invention is to provide a humidifying device capable of ensuring a sufficient amount of humidification that does not largely depend on the temperature and humidity of the air to be humidified.

Further, in the above-mentioned conventional structure, the amount of humidification greatly depends on the temperature and humidity of the humidified air, so that the amount of humidification cannot be controlled freely.

Another object of the present invention is to provide a humidifying device capable of controlling the amount of humidification.

[0010]

In order to achieve this object, a humidifying device of the present invention comprises an electrode, a counter electrode arranged so that a humidifying element is inserted between the electrode and the electrode, and a counter electrode which does not come into direct contact with the electrode. A high voltage generator for applying a high voltage to the humidifying element to apply an electric field to the humidifying element is provided.

Further, the humidifying device of the present invention comprises an electrode and a counter electrode which is arranged so that the humidifying element and the water supply device are inserted between the electrode and the electrode and which does not come into direct contact with the electrode.
A high voltage generator for applying a high voltage to the electrodes to apply an electric field to the humidifying element and the water supply device is provided.

Further, the humidifying device of the present invention includes an electrode, a counter electrode arranged so that the humidifying element is inserted between the electrode and the electrode and not in direct contact with the electrode, and a high voltage is applied to the electrode to apply the humidifying element to the humidifying element. It is configured to include a high voltage generator that applies an electric field, a humidity sensor that detects the humidity of the humidified air, and a voltage controller that controls the voltage applied to the electrodes according to the output from the humidity sensor. .

[0013]

The humidifying device of the present invention comprises an electrode and a counter electrode which is arranged so that the humidifying element is inserted between the electrode and the electrode and does not come into direct contact with the electrode, and a high voltage is applied to the electrode to apply an electric field to the humidifying element. Since the high voltage generator for applying is provided, the electric field is applied to the water held in the humidifying element, whereby evaporation of the water is promoted and the amount of humidification can be increased.

Further, a counter electrode arranged so that the humidifying element and the water supply device are inserted between the electrode and the electrode and not in direct contact with the electrode, and a high voltage is applied to the electrode to apply an electric field to the humidifying element and the water supply device. Since it is equipped with a high voltage generator that provides the electric field, an electric field is applied not only to the water held in the humidifying element, but also to the humidifying water that is supplied to the humidifying element from the water supply apparatus, and the electric field is applied to the water accordingly. By increasing the time, the evaporation is further promoted and the humidification amount can be further increased.

Further, a counter electrode which is arranged so that the humidifying element is inserted between the electrode and the electrode and which does not directly contact with the electrode, and a high voltage for applying a high voltage to the electrode to apply an electric field to the humidifying element. The device, a humidity sensor that detects the humidity of the humidified air, and a voltage control device that controls the voltage applied to the electrodes according to the output from the humidity sensor, not only increase the amount of humidification, The amount of humidification can be controlled by controlling the strength of the electric field according to the state of the humidified air.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a humidifying device according to the present invention will be described below with reference to the drawings. It should be noted that the same configurations as those of the conventional one are denoted by the same reference numerals and detailed description thereof will be omitted.

FIG. 1 is a vertical sectional view of a humidifier according to a first embodiment of the present invention. In FIG. 1, 5 is a drain pan made of a non-conductive material, 6 is an electrode installed above the humidification element 1, 7a is a counter electrode installed below the drain pan 5 and is not in direct contact with the electrode 6, and 8a is a high electrode. It is a high voltage generator that applies a voltage to apply an electric field to the humidification element 1.

The operation of the humidifying device configured as described above will be described below. First, humidifying element 1
The humidifying water 3 is supplied from the water supply device 2 to the humidifying element 1 so that the entire humidifying element 1 retains the water.

The heat of the air flow 4 passing between the plural humidifying elements 1 is provided to the humidifying element 1
The water held by is heated and evaporates. Here, a high voltage is applied to the electrode 6 by the high voltage generator 8a,
And an electric field is formed in the space between the counter electrode 7a and the counter electrode 7a. Therefore, the electrode 6
An electric field is applied to the humidifying element 1 existing in the space between the counter electrode 7a and the counter electrode 7a, that is, the water held in the humidifying element 1. Therefore, the evaporation promoting action of the electric field promotes the evaporation of the water held in the humidifying element 1 (for the evaporation promoting action of the electric field,
Food industry 1991-8 "Details on peculiar phenomena in electric fields and their applications"). As a result, the amount of evaporation of water, that is, the amount of humidification can be increased.

Further, there is an advantage that the bactericidal action of the electric field suppresses the growth of bacteria and mold on the humidifying element 1.

Further, since the water after the application of the electric field is adversely affected by evaporation, there is an advantage that the drying of the humidifying element 1 after the completion of humidification is suppressed.

As described above, the humidifying device of this embodiment includes the electrode 6, the counter electrode 7a not in direct contact with the electrode 6, and the high voltage generating device for applying a high voltage to the electrode 6 to apply the electric field to the humidifying element 1. 8a is provided, the evaporation of the water held in the humidification element 1 is promoted, and the amount of humidification can be increased.

In this embodiment, the counter electrode 7a is provided below the drain pan 5 made of a non-conductive material.
The drain pan 5 may be omitted by providing a with a drain pan function.

Next, regarding the second embodiment of the humidifier,
A description will be given with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 2 is a vertical sectional view of a humidifying device according to a second embodiment of the present invention. In FIG. 2, 2 is a water supply device made of a non-conductive material, 7a is a counter electrode that does not directly contact the electrode 6 installed below the drain pan 5, and 7b is a water supply device 2
Counter electrode which does not come into direct contact with the electrode 6 installed below the electrode, 8b
Is a high voltage generator that applies a high voltage to the electrode 6 to apply an electric field to the humidifying element 1 and the water supply device 2.

The operation of the humidifier will be described below. A high voltage is applied to the electrode 6 by the high voltage generator 8b,
An electric field is formed in the space between the electrode 7 and the counter electrode 7a and the space between the electrode 6 and the counter electrode 7b. Therefore, an electric field is applied to the humidification element 1 existing in the space between the electrode 6 and the counter electrode 7a and the water supply device 2 existing in the space between the electrode 6 and the counter electrode 7b. That is,
The electric field is applied not only to the water held in the humidifying element 1 but also to the humidifying water 3 held in the water supply device 2 and supplied to the humidifying element 1.

Along with this, the time for applying an electric field to water becomes longer. Therefore, the evaporation promoting action is promoted, and the evaporation amount, that is, the humidification amount can be further increased.

As described above, in the humidifying device of this embodiment, the electrode 6 and the counter electrodes 7a and 7b which are not in direct contact with the electrode 6 are provided.
And a high voltage generator 8b for applying a high voltage to the electrode 6 to apply an electric field to the humidification element 1 and the water supply device 2, so that not only the water held in the humidification element 1 but also the humidification element 1 An electric field is also applied to the humidifying water 3 supplied to the water, and the time for applying the electric field to the water is accordingly increased, so that evaporation of water is further promoted and the amount of humidification can be further increased.

In this embodiment, the counter electrode 7b is provided below the water supply device 2 made of a non-conductive material.
The water supply device 2 may be omitted by providing the function of the water supply device. In addition, the counter electrode 7a has the function of the counter electrode 7b,
b may be omitted.

Next, regarding the third embodiment of the humidifier,
A description will be given with reference to the drawings. The same components as those in the first and second embodiments are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 3 is a vertical sectional view of a humidifier according to a third embodiment of the present invention. FIG. 4 is a humidification amount control block diagram in the embodiment. FIG. 5 is a flowchart showing a humidification amount control method in the same embodiment.

In FIG. 3, reference numeral 9 is a humidity sensor for detecting the humidity of the humidified air. Reference numeral 10 is a voltage control device that controls the voltage applied to the electrode 6 based on the output of the humidity sensor 9. As shown in FIG. 4, the voltage control device 10 includes a calculation unit 11 that compares the humidity detected by the humidity sensor 9 with the set humidity, and a voltage control unit 12 that controls the voltage applied to the electrode 6. .

The operation of the humidifying device configured as described above will be described below with reference to the flowchart of FIG.

A high voltage is applied to the electrode 6 by the high voltage generator 8a to form an electric field in the space between the electrode 6 and the counter electrode 7a,
An electric field is applied to the humidifying element 1. Here, the humidity h of the humidified air is detected by the humidity sensor 9 (step 1) and compared with the set humidity H in the calculation unit 11 (step 2), and when H <h (step 3 is branched to the YES side). ), The voltage control unit 12 reduces the voltage applied to the electrode 6 (step 5).

When the voltage applied to the electrode 6 is decreased, the strength of the electric field applied to the water held in the humidifying element 1 is decreased, and the evaporation promoting action proportional to the strength of the electric field is decreased. . As a result, the amount of evaporation, that is, the amount of humidification can be reduced.

When H> h (step 4 is Y
The voltage is applied to the electrode 6 by the voltage controller 12 (branch to the ES side) (step 6). As a result, the strength of the electric field applied to the humidifying element 1 increases, and the evaporation promoting action of the electric field proportional to the strength of the electric field increases. As a result,
The amount of evaporation, that is, the amount of humidification can be increased.

As described above, the humidifying device of this embodiment includes the electrode 6, the counter electrode 7a that does not directly contact the electrode 6, and the electrode 6
A high voltage generator 8a for applying a high voltage to the humidifying element 1 to apply an electric field to the humidifying element 1, a humidity sensor 9 for detecting the humidity of the humidified air, and an application to the electrode 6 according to the output from the humidity sensor 9. Since the voltage control device 10 for controlling the voltage is provided, not only the amount of humidification is increased, but also the strength of the electric field is controlled according to the state of the humidified air, that is, the degree of the evaporation promoting action proportional to the strength of the electric field is controlled. By doing so, the amount of evaporation, that is, the amount of humidification can be controlled.

[0038]

As described above, according to the present invention, in a humidifying device including a humidifying element and a water supply tank for supplying water to the humidifying element, the humidifying element is arranged between the electrodes. It is equipped with a counter electrode that does not come into direct contact with the electrode and a high voltage generator that applies a high voltage to the electrode to apply an electric field to the humidifying element, so that evaporation of the water retained in the humidifying element is promoted and the humidifying element is humidified. The amount can be increased.

Further, a counter electrode which is arranged so that the humidifying element and the water supply device are inserted between the electrodes and does not come into direct contact with the electrode, and a high voltage is applied to the electrode to apply an electric field to the humidifying element and the water supply device. Since it is equipped with a high-voltage generator that applies the electric field, an electric field is applied not only to the water held in the humidifying element, but also to the humidifying water supplied to the humidifying element, and the time for applying the electric field to the water is long accordingly. Therefore, evaporation of water is further promoted and the amount of humidification can be further increased.

Further, according to the present invention, an electrode and a counter electrode arranged so that the humidification element is inserted between the electrode and not in direct contact with the electrode, and a high voltage for applying a high voltage to the electrode to apply an electric field to the humidification element. Since it is equipped with a voltage generator, a humidity sensor that detects the humidity of the humidified air, and a voltage controller that controls the voltage applied to the electrodes according to the output from the humidity sensor, simply increase the amount of humidification. Instead, it is possible to control the strength of the electric field according to the state of the humidified air and to control the evaporation amount of water, that is, the humidification amount.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a first embodiment of a humidifying device according to the present invention.

FIG. 2 is a longitudinal sectional view of a second embodiment of the humidifying device according to the present invention.

FIG. 3 is a vertical sectional view of a third embodiment of the humidifying device according to the present invention.

FIG. 4 is a control block diagram of a humidification amount in the embodiment.

FIG. 5 is a flowchart showing a humidification amount control method in the embodiment.

FIG. 6 is a vertical sectional view of a conventional humidifier.

FIG. 7 is a perspective view of a conventional humidifier.

[Explanation of symbols]

 1 Humidification Element 2 Water Tank 3 Humidification Water 4 Air Flow 5 Drain Pan 6 Electrodes 7a, 7b Counter Electrodes 8a, 8b High Voltage Generator 9 Humidity Sensor 10 Voltage Control Device

Claims (3)

[Claims] 1. A humidifying element, a water supply device for supplying water to the humidifying element, an electrode, a counter electrode arranged so that the humidifying element is inserted between the electrode and the electrode, and a counter electrode which is not in direct contact with the electrode. A humidification device comprising a high voltage generator for applying a high voltage to apply an electric field to the humidification element. 2. A humidifying element, a water supply device for supplying water to the humidifying element, an electrode, and a counter electrode arranged so that the humidifying element and the water supply device are inserted between the electrode and the electrode and not in direct contact with the electrode. A humidifying device comprising: a high voltage generator that applies a high voltage to the electrodes to apply an electric field to the humidifying element and the water supply device. 3. A humidifying element, a water supply device for supplying water to the humidifying element, an electrode, a counter electrode which is arranged between the electrode and the humidifying element so as not to come into direct contact with the electrode, and the electrode. A high voltage generator that applies a high voltage to apply an electric field to the humidifying element, a humidity sensor that detects the humidity of the humidified air, and a voltage that controls the voltage applied to the electrode according to the output from the humidity sensor. A humidifying device, comprising: a control device.