JPH07301441A - Ultrasonic humidifier - Google Patents

Abstract

PURPOSE:To remove cations, such as calsium ions, magnesium ions and the like, and anions, such as chloride ions and the like, in humidifying water and humidify the air by humidifying water containing no impurities. CONSTITUTION:An atomizing water tank 1, a feed water tank 104 and an ultrasonic wave oscillator 103 are provided in an ultrasonic humidifier main body 101 while an ion exchanging membrane electro-dialysis tank 3 is provided in the flowing route 2 of humidifying water tank 104. When the operation switch of a humidifier is put on, humidifying mist is generated by the operation of the ultrasonic wave oscillator 103. The humidifying mist is blown into a room whereby the humidifying water in the atomizing water tank is reduced and, therefore, the humidifying water is supplied from the feed water tank 104 into the atomizing water tank 1 through the ion exchanging membrane electro- dialysis tank 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic humidifier for removing cations such as calcium ions and magnesium ions contained in humidified water and anions such as chlorine ions contained therein.

[0002]

2. Description of the Related Art In recent years, as social interest in health and hygiene has increased, there has been a problem that white powder adheres to furniture or a cathode-ray tube of a television and pollutes the room when humidifying by an ultrasonic humidifier. This is because the hardness components such as calcium and magnesium contained in the humidified water are released into the room together with the air that humidifies and humidifies the water, and appears as white powder after evaporation of the water. Particularly in a room with electronic equipment such as a computer room, there is a demand for a humidification method that does not release impurities.

Conventionally, this type of ultrasonic humidifier has been used in practice.
The configuration as shown in JP-A-2-148378 has been common. The configuration will be described below with reference to FIG.

As shown in FIG. 19, an ultrasonic humidifier body 1
01, a water tank 102 for atomizing water is provided, and an ultrasonic transducer 1 for atomizing water is provided at the bottom of the water tank 102.
03 is installed, and the ultrasonic transducer 103 is connected to an oscillation circuit which is a drive output source for vibration provided directly below the ultrasonic transducer 103. Above the ultrasonic humidifier body 101, a water tank 1
Water supply tank 10 whose valve opens when the water in 02 drops below a certain amount
4 are provided. An atomization chamber 105 is provided above the water tank 102, and inside the ultrasonic humidifier main body 101,
A fan that sends air from the lower air suction port to the atomization chamber 105 through the air passage is provided, and the ultrasonic humidifier body 101
It is fixed to the bottom inside. Further, above the atomization chamber 105, a blowout port for blowing out air containing water atomized in the atomization chamber 105, that is, humidified air is provided. Below the water supply tank 104, the cathode 10
6, a positive electrode 107 made of a water-permeable porous metal that surrounds this in a cylindrical shape, and a diaphragm 108 that is arranged between both electrodes and that surrounds the cathode 106 in a cylindrical shape.

In the above structure, first, the water supply tank 10
4 is filled with sufficient water and placed at a predetermined position of the humidifier main body 101, the water in the water supply tank 104 passes through the diaphragm 108 and the anode 107 while being adjusted by the water supply valve and passes through the water tank 10.
Guided to 2. When a DC voltage is applied between the cathode 106 and the anode 107, cations such as calcium ions and magnesium ions contained in the humidified water are attracted to the cathode 106, and most of them are inside the diaphragm 108 surrounding the cathode 106. Will exist. Therefore, cations such as metals are removed from the humidifying water that has passed through the anode 107 and is supplied to the water tank 102.

When the ultrasonic oscillator 103 is vibrated at the frequency of 1.7 MHz output from the oscillation circuit, the atomization chamber 10
In No. 5, a mist of water having a particle diameter of about 5 to 50 μm is generated, and this is blown out into the room through the blowout port by the fan. Since cations such as calcium ions and magnesium ions are not contained in the blown mist, white powder does not remain after the water is evaporated.

[0007]

In the conventional ultrasonic humidifier having such means for removing cations such as calcium ions and magnesium ions in humidified water, it is possible to remove calcium ions and magnesium ions contained in the humidified water. Since cations are accumulated around the cathode in the humidifier and the deposits on the electrode surface become an electrical resistance, it is difficult to maintain the removal performance of cations such as calcium ions and magnesium ions for a long period of time. . Further, there is a problem that the humidification amount cannot be increased because the flow rate of the humidification water passing through the diaphragm is very small.

The present invention is intended to solve the above problems, and an ion exchange membrane electrodialysis tank capable of separating cations such as calcium ions and magnesium ions and anions such as chlorine ions is provided in the main body of an ultrasonic humidifier. It is installed in the flow path of humidified water between the water supply tank and the atomization water tank, and cations such as calcium ions and magnesium ions and anions such as chlorine ions are discharged into the concentrated water. It is a first object of the present invention to provide an ultrasonic humidifier capable of preventing the generation of white powder for a long period of time because the performance of removing anions such as ions and chloride ions lasts for a long period of time.

A second object is to provide an ultrasonic humidifier capable of preventing the removal performance of cations such as calcium ions and magnesium ions and anions such as chlorine ions from deteriorating with time. .

A third object is to provide an ultrasonic humidifier capable of periodically removing the deposits on the electrode surface.

A fourth object is to detect a decrease in removal performance of cations such as calcium ions and magnesium ions and anions such as chloride ions in the ion exchange membrane electrodialysis tank, and to detect the ion exchange membrane electrodialysis according to the result. An object is to provide an ultrasonic humidifier capable of increasing the electrode voltage of a dialysis tank.

A fifth object is to detect a decrease in the removal performance of cations such as calcium ions and magnesium ions and anions such as chloride ions in the ion exchange membrane electrodialysis tank, and to determine the polarity of the electrode according to the result. It is an object of the present invention to provide an ultrasonic humidifier that can be turned over to remove deposits.

A sixth object is to provide an ultrasonic humidifier capable of improving the removal performance of cations such as calcium ions and magnesium ions and anions such as chlorine ions.

A seventh object is to provide an ultrasonic humidifier capable of preventing the generation of white powder and the release of bacteria into the room for a long period of time.

An eighth object is to provide an ultrasonic humidifier capable of reducing the number of required films.

A ninth object is to provide an ultrasonic humidifier capable of preventing the generation of white powder for a long period of time.

A tenth object is an ultrasonic humidifier capable of removing cations such as calcium ions and magnesium ions and anions such as chlorine ions in humidified water regardless of the operating condition of the ultrasonic humidifier. To provide.

[0018]

A first means for achieving the first object of the present invention is to provide an ultrasonic humidifier main body, an atomizing water tank provided in the ultrasonic humidifier main body, An attachable / detachable water supply tank and an ultrasonic transducer provided in the atomization water tank are provided, and at least one or more anion exchanges are provided along a flow path of humidification water between the water supply tank and the atomization water tank. An ion exchange membrane electrodialysis tank having a configuration in which membranes and at least one or more cation exchange membranes are alternately arranged, electrodes are provided on both sides of the anion exchange membrane and the cation exchange membrane, and a DC voltage is applied between the electrodes. The configuration is provided.

A second means for achieving the second object is, in addition to the first means, the ion exchange membrane provided in a flow path between the water supply tank and the atomized water tank. The control circuit for increasing the voltage of the electrode of the electrodialysis tank with the operating time is provided.

A third means for achieving the third object is, in addition to the first means, the ion exchange membrane provided in a flow path between the water supply tank and the atomized water tank. The configuration is such that a control circuit that reverses the polarity of the electrodes of the electrodialysis tank at regular intervals is provided.

A fourth means for achieving the fourth object is, in addition to the first means, a conductivity detector in the atomization water tank, the water supply tank and the atomization water tank. The control circuit for increasing the voltage of the electrode of the ion exchange membrane electrodialysis tank provided in the flow path between them is provided.

A fifth means for achieving the fifth object is, in addition to the first means, an electric conductivity detector in the atomized water tank, the water supply tank and the atomized water tank. The configuration is such that a control circuit for inverting the polarity of the electrodes of the ion exchange membrane electrodialysis tank provided in the flow path between the two is provided.

A sixth means for achieving the sixth object is, in addition to the first means, the ion exchange membrane provided in a flow path between the water supply tank and the atomized water tank. The water channel between the membranes of the electrodialysis tank is configured to have a high flow resistance.

A seventh means for achieving the seventh object is, in addition to the first means, an electric conductivity detector in the atomized water tank, the water supply tank and the atomized water tank. The configuration is such that the voltage of the electrodes of the ion exchange membrane electrodialysis tank provided in the flow path between the two is 5 V or more per 1 cm between the electrodes.

An eighth means for achieving the eighth object is, in addition to the first means, the ion exchange membrane provided in a flow path between the water supply tank and the atomized water tank. The membrane in the electrodialysis tank is composed of only a cation exchange membrane.

The ninth means for achieving the ninth object is, in addition to the first means, the ion exchange membrane electricity provided in the flow path between the water supply tank and the atomization water tank. An ion exchange resin is sandwiched between the membranes in the dialysis tank.

Further, the first to achieve the tenth object
No. 0 means is, in addition to the first means, an ultrasonic humidifier main body, the atomizing water tank provided in the ultrasonic humidifier main body, the detachable water supply tank, and the inside of the atomizing water tank. And a removable concentrated water tank, at least one or more anion exchange membranes and at least one or more cation exchange membranes are alternately arranged, and the anion exchange membrane and the cation exchange membrane are provided. The water supply tank and the concentrated water tank are connected by an ion exchange membrane electrodialysis tank in which electrodes are provided on both sides.

[0028]

According to the present invention, by the constitution of the above-mentioned first means, by applying a voltage to the electrodes provided on both sides of the ion exchange membrane electrodialysis tank, cations such as calcium ions and magnesium ions are transferred to the cation exchange membrane. Since permeation and anions such as chlorine ions permeate the anion exchange membrane, removal performance of cations such as calcium ions and magnesium ions and anions such as chlorine ions from humidified water can be maintained for a long time. It is possible.

Further, since the electrode voltage of the ion exchange membrane electrodialysis tank increases with the operating time by the constitution of the second means, the removal performance of cations such as calcium ions and magnesium ions and anions such as chlorine ions is improved. Since it can be prevented from decreasing, the removal performance of cations such as calcium ions and magnesium ions and anions such as chloride ions from the humidified water can be maintained for a long period of time.

Further, with the configuration of the third means, by reversing the polarity of the electrode of the ion exchange membrane electrodialysis tank at regular intervals, it is possible to remove the deposits on the cathode side electrode,
The ability to remove cations such as calcium ions and magnesium ions and anions such as chlorine ions can be maintained for a long period of time.

Further, according to the constitution of the fourth means, since the electrode voltage of the ion exchange membrane electrodialysis tank increases with the increase of the electric conductivity of the humidifying water in the atomization water tank, cations such as calcium ions and magnesium ions Since it is possible to prevent deterioration of the removal performance of anions such as chlorine ions and chlorine ions, the removal performance of cations such as calcium ions and magnesium ions and anions such as chlorine ions from humidified water can be maintained for a long time. It can be done.

Further, by the constitution of the fifth means, while the polarity of the electrode of the ion exchange membrane electrodialysis tank is being reversed, the deposits on the cathode side electrode can be removed. When the electric conductivity of the humidified water in the atomized water tank rises above a specified value, the polarity is reversed to remove the deposits on the electrodes, thereby removing cations such as calcium and magnesium ions and anions such as chlorine ions. The removal performance can be maintained for a long period of time.

Further, according to the constitution of the sixth means, the humidifying water flows all the way through the space between the ion exchange membranes, so that the membrane of the ion exchange membrane electrodialysis tank can be effectively utilized and calcium ion It is possible to improve the removal performance of cations such as magnesium ion and anions such as chlorine ion.

Further, according to the constitution of the seventh means, since the humidifying water which has passed through the ion exchange membrane electrodialysis tank is subjected to electric field sterilization, water containing no bacteria can be used for humidification.

Further, according to the structure of the eighth means, since cations such as calcium ions and magnesium ions permeate the cation exchange membrane, a structure for removing only cations such as calcium ions and magnesium ions in the humidified water is obtained. By doing so, the number of required films can be reduced.

Further, by the construction of the ninth means, cations such as calcium ions and magnesium ions in the humidified water and anions such as chlorine ions are first ion-exchanged when passing through the ion exchange membrane electrodialysis tank. Ions are exchanged by the resin. Cations such as calcium and magnesium ions and anions such as chloride are
Since it moves faster in the ion exchange resin than it moves in water, by sandwiching the ion exchange resin, cations such as calcium and magnesium ions and anions such as chlorine ions can be removed quickly from the humidified water. Therefore, it is possible to improve the performance of removing cations such as calcium ions and magnesium ions and anions such as chlorine ions.

Further, by the constitution of the tenth means, cations such as calcium ions and magnesium ions and anions such as chlorine ions in the water supply tank move into the concentrated water regardless of the operating condition of the ultrasonic humidifier. Therefore, regardless of the operating state of the ultrasonic humidifier, cations such as calcium ions and magnesium ions and anions such as chlorine ions in the humidified water can be removed.

[0038]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG.

The same parts as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted. The atomizing water tank 1 is provided above the ultrasonic oscillator 103, the ion exchange membrane electrodialysis tank 3 is provided in the flow path 2 of the humidifying water below the water supply tank 104, and the concentrated water storage tank 4 is provided.
Is provided. Inside the ion exchange membrane electrodialysis tank, an anode 5, anion exchange membrane 6 and cation exchange membrane 7 are provided.
And a cathode 8 is provided. A concentrating chamber 9 is provided between the anode 5 and the anion exchange membrane 6 and between the cation exchange membrane 7 and the cathode 8.
A deionization chamber 10 is provided between the anion exchange membrane 6 and the cation exchange membrane 7.

As shown in the figure, as the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water.

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 to the atomized water tank 1 through the flow path 2 and the ion exchange membrane electrodialysis tank 3. To be done. 0.5-10 between the anode 5 and the cathode 8
A DC voltage of about V is applied.

The humidifying water from the water supply tank 104 is supplied into the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the demineralizing chamber 10, calcium ions and magnesium ions in the humidifying water are removed. Positive ions are attracted to the cathode 8 and negative ions such as chlorine ions are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chlorine ions move from the desalting chamber to the concentration chamber 9. Resulting in. Therefore, the atomized water tank 1 is supplied with humidification water from which cations such as calcium ions and magnesium ions and anions such as chlorine ions have been removed. Since the cations such as calcium ions and magnesium ions and the anions such as chlorine ions that have moved to the concentrating chamber 9 are stored in the concentrated water storage tank 4 as concentrated water, when the concentrated water storage tank 4 becomes full, the concentrated water is stored. Should be discarded.

As described above, according to the ultrasonic humidifier of the first embodiment of the present invention, cations such as calcium ions and magnesium ions and anions such as chlorine ions are discharged from the humidified water as concentrated water. The ability to remove cations such as ions and magnesium ions and anions such as chlorine ions can be maintained for a long period of time.

In this embodiment, the anion exchange membrane is 1
However, the number of membranes is not limited to one each, but by increasing the number of membranes, cations such as calcium and magnesium ions and anions such as chlorine ions can be obtained. Needless to say, the removal performance of can be improved.

In this embodiment, the voltage between the electrodes is set to 0.5.
Although the voltage is set to about 10 V, the voltage is not limited to this, and any voltage may be applied according to the distance between the electrodes and the number of films.

The second embodiment of the present invention will be described below with reference to FIG.
Will be described with reference to. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic vibrator 103.
An ion exchange membrane electrodialysis tank 3 and a concentrated water storage tank 4 are provided in the flow path 2 of the humidified water below the water supply tank 104. An anode 5, anion exchange membrane 6, cation exchange membrane 7 and cathode 8 are provided inside the ion exchange membrane electrodialysis tank. A concentration chamber 9 is provided between the anode 5 and the anion exchange membrane 6 and between the cation exchange membrane 7 and the cathode 8, and a desalting chamber 10 is provided between the anion exchange membrane 6 and the cation exchange membrane 7. A control circuit 11 is provided in the ultrasonic humidifier body 101.

The structure of the control circuit 11 will be described with reference to FIG. The operating time measuring / integrating means 21, the set time inputting means 22, the integrated value outputting means 23, the integrated time determining means 24, and the electrode voltage control means 25 are included in the control circuit 1.
Make up one. The time for increasing the voltage of the electrode of the ion exchange membrane electrodialysis tank is input in advance by the set time input means 22. In addition, the operation time measuring and accumulating means 21 measures and accumulates the time from the start of the ultrasonic humidifier operation. The difference between the integrated value of operating time and the input set time is determined by the integrated time determination means 24. When the integrated value of the operating time exceeds the set time, the electrode voltage control means 25 increases the voltage of the electrode of the ion exchange membrane electrodialysis tank. A flowchart showing the operation of the control circuit 11 is shown in FIG.

As shown in FIG. 2, when the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water. .

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 to the atomized water tank 1 through the flow path 2 and the ion exchange membrane electrodialysis tank 3. To be done. 0.5-10 between the anode 5 and the cathode 8
A DC voltage of about V is applied.

The humidifying water from the water supply tank 104 is supplied into the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, calcium ions, magnesium ions, etc. in the humidifying water are removed. Positive ions are attracted to the cathode 8 and negative ions such as chlorine ions are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chlorine ions move from the desalting chamber to the concentration chamber 9. Resulting in. Therefore, the atomized water tank 1 is supplied with humidification water from which cations such as calcium ions and magnesium ions and anions such as chlorine ions have been removed. Since the cations such as calcium ions and magnesium ions and the anions such as chlorine ions that have moved to the concentrating chamber 9 are stored in the concentrated water storage tank 4 as concentrated water, when the concentrated water storage tank 4 becomes full, the concentrated water is stored. Should be discarded.

Further, if impurities adhere to the inside of the ion exchange membrane electrodialysis tank 3, the ability of the ion exchange membrane electrodialysis tank 3 to remove cations such as calcium ions and magnesium ions and anions such as chlorine ions deteriorates. However, when the voltage of the ion exchange membrane electrodialysis tank 3 is increased by the control circuit 11 with the operating time of the ultrasonic humidifier, cations such as calcium ions and magnesium ions in the ion exchange membrane electrodialysis tank 3 and chlorine ions. It is possible to prevent deterioration of the removal performance of anions such as.

As described above, according to the ultrasonic humidifier of the second embodiment of the present invention, cations such as calcium ions and magnesium ions and anions such as chlorine ions are discharged from the humidified water as concentrated water. The ability to remove cations such as ions and magnesium ions and anions such as chlorine ions can be maintained for a long period of time.

In this embodiment, the anion exchange membrane is 1
However, the number of membranes is not limited to one each, but by increasing the number of membranes, cations such as calcium and magnesium ions and anions such as chlorine ions can be obtained. Needless to say, the removal performance of can be improved.

In this embodiment, the voltage between the electrodes is set to 0.5.
Although the voltage is set to about 10 V, the voltage is not limited to this, and any voltage may be applied according to the distance between the electrodes and the number of films.

The third embodiment of the present invention will be described below with reference to FIG.
Will be described with reference to. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic vibrator 103.
An ion exchange membrane electrodialysis tank 3 and a concentrated water storage tank 4 are provided in the flow path 2 of the humidified water below the water supply tank 104. An anode 5, anion exchange membrane 6, cation exchange membrane 7 and cathode 8 are provided inside the ion exchange membrane electrodialysis tank. A concentration chamber 9 is provided between the anode 5 and the anion exchange membrane 6 and between the cation exchange membrane 7 and the cathode 8, and a desalting chamber 10 is provided between the anion exchange membrane 6 and the cation exchange membrane 7. A control circuit 11 is provided in the ultrasonic humidifier body 101.

The structure of the control circuit 11 will be described with reference to FIG. The operating time measuring and integrating means 21, the set time input means 22, the integrated value output means 23, the integrated time determining means 24, and the electrode polarity control means 26 are included in the control circuit 1.
Make up one. The time for reversing the polarity of the electrode of the ion exchange membrane electrodialysis tank is input in advance by the set time input means 22. In addition, the operation time measuring and accumulating means 21 measures and accumulates the time from the start of the ultrasonic humidifier operation. The difference between the integrated value of operating time and the input set time is determined by the integrated time determination means 24. When the integrated value of the operating time exceeds the set time, the electrode polarity control means 26 increases the voltage of the electrode of the ion exchange membrane electrodialysis tank. A flowchart showing the operation of the control circuit 11 is shown in FIG.

As shown in FIG. 5, when the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water. .

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 to the atomized water tank 1 through the flow path 2 and the ion exchange membrane electrodialysis tank 3. To be done. 0.5-10 between the anode 5 and the cathode 8
A DC voltage of about V is applied.

The humidifying water from the water supply tank 104 is supplied into the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, calcium ions, magnesium ions, etc. in the humidifying water are removed. Positive ions are attracted to the cathode 8 and negative ions such as chlorine ions are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chlorine ions move from the desalting chamber to the concentration chamber 9. Resulting in. Therefore, the atomized water tank 1 is supplied with humidification water from which cations such as calcium ions and magnesium ions and anions such as chlorine ions have been removed. Since the cations such as calcium ions and magnesium ions and the anions such as chlorine ions that have moved to the concentrating chamber 9 are stored in the concentrated water storage tank 4 as concentrated water, when the concentrated water storage tank 4 becomes full, the concentrated water is stored. Should be discarded.

When impurities adhere to the inside of the ion exchange membrane electrodialysis tank 3, the ability of the ion exchange membrane electrodialysis tank 3 to remove cations such as calcium ions and magnesium ions and anions such as chlorine ions deteriorates. However, when the operating time of the ultrasonic humidifier exceeds the time (for example, 1 hour) input by the set time input means by the control circuit 11, the polarity of the electrode of the ion exchange membrane electrodialysis tank 3 is reversed for 5 minutes. And, since the deposits on the surface of the cathode 8 can be removed, the ability to remove cations such as calcium ions and magnesium ions and anions such as chlorine ions from the humidified water can be maintained for a long time. Is.

As described above, according to the ultrasonic humidifier of the third embodiment of the present invention, since the deposits on the surface of the cathode 8 can be removed, cations such as calcium ions and magnesium ions from the humidified water can be removed. And the ability to remove anions such as chloride ions can be maintained for a long period of time.

When the electric conductivity of the humidifying water in the atomizing water tank 1 exceeds a predetermined value, the polarities of the anode 5 and the cathode 8 are reversed and the potential of the cathode 8 is set to +. Since it is possible to remove the deposits on the surface of the cathode 8, it is possible to remove the cations such as calcium ions and magnesium ions and the anions such as chloride ions from the humidified water. It can be sustained over a long period of time. The ability to remove cations such as calcium ions and magnesium ions and anions such as chlorine ions from humidified water can be maintained for a long period of time.

In this embodiment, the polarity is reversed for 5 minutes when the operating time exceeds 1 hour, but the operating time and the polarity reversing time are not limited to this.
Depending on the degree of removal performance required, the operating time until the polarity is reversed and the time when the polarity is reversed may be set to arbitrary times.

Next, the fourth embodiment of the present invention will be described with reference to FIG.
Will be described with reference to. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic vibrator 103.
An ion exchange membrane electrodialysis tank 3 and a concentrated water storage tank 4 are provided in the flow path 2 of the humidified water below the water supply tank 104. An anode 5, anion exchange membrane 6, cation exchange membrane 7 and cathode 8 are provided inside the ion exchange membrane electrodialysis tank. A concentration chamber 9 is provided between the anode 5 and the anion exchange membrane 6 and between the cation exchange membrane 7 and the cathode 8, and a desalting chamber 10 is provided between the anion exchange membrane 6 and the cation exchange membrane 7. The electric conductivity detector 12 is provided in the atomized water tank 1.
Is provided. A control circuit 11 is provided in the ultrasonic humidifier body 101.

The structure of the control circuit 11 will be described with reference to FIG. Electric conductivity detection unit 27, electric conductivity set value input means 28, and electric conductivity detection value output means 2
9, the electric conductivity determination means 30, and the electrode voltage control means 25 constitute the control circuit 11. The electric conductivity for increasing the voltage of the electrode of the ion exchange membrane electrodialysis tank is input in advance by the electric conductivity set value input means 28. Further, the electric conductivity detection unit 27 measures the electric conductivity of the humidifying water in the atomized water tank. The difference between the detected electric conductivity and the inputted electric conductivity is used as the electric conductivity judgment means 3
Judge by 0. When the electric conductivity of the humidifying water in the atomized water tank exceeds the set electric conductivity, the electrode voltage control means 25 increases the voltage of the electrode of the ion exchange membrane electrodialysis tank. FIG. 10 is a flowchart showing the operation of the control circuit 11.
Shown in.

As shown in FIG. 8, as the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water. .

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 to the atomized water tank 1 through the flow path 2 and the ion exchange membrane electrodialysis tank 3. To be done. A DC voltage is applied between the anode 5 and the cathode 8.

The humidifying water from the water supply tank 104 is supplied into the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, calcium ions, magnesium ions, etc. in the humidifying water are removed. Positive ions are attracted to the cathode 8 and negative ions such as chlorine ions are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chlorine ions move from the desalting chamber to the concentration chamber 9. Resulting in. Therefore, the atomized water tank 1 is supplied with humidification water from which cations such as calcium ions and magnesium ions and anions such as chlorine ions have been removed. Since the cations such as calcium ions and magnesium ions and the anions such as chlorine ions that have moved to the concentrating chamber 9 are stored in the concentrated water storage tank 4 as concentrated water, when the concentrated water storage tank 4 becomes full, the concentrated water is stored. Should be discarded.

When impurities adhere to the inside of the ion-exchange membrane electrodialysis tank 3, the ability of the ion-exchange membrane electrodialysis tank 3 to remove cations such as calcium and magnesium ions and anions such as chlorine ions deteriorates. However, by detecting the electric conductivity of the humidifying water in the atomized water tank 1 with the electric conductivity detecting unit 12, it is possible to recognize the decrease in the removal performance. When the electric voltage of the ion exchange membrane electrodialysis tank 3 is increased by the control circuit 11 when the electric conductivity of the humidification water in the atomization water tank 1 exceeds 10 microsiemens per cm, the ion exchange membrane electrodialysis tank 3 It is possible to prevent deterioration of the removal performance of cations such as calcium ions and magnesium ions and anions such as chlorine ions.

As described above, according to the ultrasonic humidifier of the fourth embodiment of the present invention, cations such as calcium ions and magnesium ions and anions such as chlorine ions are discharged from the humidified water as concentrated water. The ability to remove cations such as ions and magnesium ions and anions such as chlorine ions can be maintained for a long period of time.

In this embodiment, the voltage of the electrode of the ion exchange membrane electrodialysis tank is increased when the electric conductivity of the humidifying water in the atomized water tank exceeds 10 microsiemens per cm. The value of the degree is not limited to this, but if the concentration of cations such as calcium ions and magnesium ions and anions such as chlorine ions in the humidified water can be high, increase to about 50 microsiemens. In that case, an arbitrary value may be set, such as increasing the voltage.

Next, the fifth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to 1. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic vibrator 103.
An ion exchange membrane electrodialysis tank 3 and a concentrated water storage tank 4 are provided in the flow path 2 of the humidified water below the water supply tank 104. An anode 5, anion exchange membrane 6, cation exchange membrane 7 and cathode 8 are provided inside the ion exchange membrane electrodialysis tank. A concentration chamber 9 is provided between the anode 5 and the anion exchange membrane 6 and between the cation exchange membrane 7 and the cathode 8, and a desalting chamber 10 is provided between the anion exchange membrane 6 and the cation exchange membrane 7. The electric conductivity detector 12 is provided in the atomized water tank 1.
Is provided. A control circuit 11 is provided in the ultrasonic humidifier body 101.

The structure of the control circuit 11 will be described with reference to FIG. The electric conductivity detector 27, the electric conductivity set value input means 28, the electric conductivity detected value output means 29, the electric conductivity judgment means 30, and the electrode polarity control means 26 constitute the control circuit 11. ing. The electric conductivity for which the polarity of the electrode of the ion exchange membrane electrodialysis tank is to be reversed is input in advance by the electric conductivity set value input means 28. Further, the electric conductivity detection unit 27 measures the electric conductivity of the humidifying water in the atomized water tank. The difference between the detected electric conductivity and the inputted electric conductivity is judged by the electric conductivity judging means 30. When the electric conductivity of the humidifying water in the atomizing water tank exceeds the set electric conductivity, the electrode polarity control means 26
Reverses the polarity of the electrodes of the ion exchange membrane electrodialysis cell. FIG. 13 is a flowchart showing the operation of the control circuit 11.
Shown in.

As shown in FIG. 11, when the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water. .

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 to the atomized water tank 1 through the flow path 2 and the ion exchange membrane electrodialysis tank 3. To be done. A DC voltage is applied between the anode 5 and the cathode 8.

The humidifying water from the water supply tank 104 is supplied into the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, calcium ions, magnesium ions, etc. in the humidifying water are removed. Positive ions are attracted to the cathode 8 and negative ions such as chlorine ions are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chlorine ions move from the desalting chamber to the concentration chamber 9. Resulting in. Therefore, the atomized water tank 1 is supplied with humidification water from which cations such as calcium ions and magnesium ions and anions such as chlorine ions have been removed. Since the cations such as calcium ions and magnesium ions and the anions such as chlorine ions that have moved to the concentrating chamber 9 are stored in the concentrated water storage tank 4 as concentrated water, when the concentrated water storage tank 4 becomes full, the concentrated water is stored. Should be discarded.

Further, if impurities adhere to the inside of the ion exchange membrane electrodialysis tank 3, the ability of the ion exchange membrane electrodialysis tank 3 to remove cations such as calcium ions and magnesium ions and anions such as chlorine ions will deteriorate. However, by detecting the electric conductivity of the humidifying water in the atomized water tank 1 with the electric conductivity detecting unit 12, it is possible to recognize the decrease in the removal performance. When the electric conductivity of the humidifying water in the atomizing water tank 1 exceeds 10 microsiemens per cm, the polarity of the anode 5 and the cathode 8 is reversed by the control circuit 11 and the potential of the cathode 8 is changed to +. Since the deposits on the surface can be removed, the performance of removing cations such as calcium ions and magnesium ions and anions such as chloride ions from the humidified water can be maintained for a long period of time.

As described above, according to the ultrasonic humidifier of the fifth embodiment of the present invention, the performance of removing cations such as calcium ions and magnesium ions and anions such as chlorine ions from the humidified water can be maintained for a long time. Is something that can be done.

In this embodiment, the polarity of the electrode of the ion exchange membrane electrodialysis tank was reversed when the electric conductivity of the humidifying water in the atomized water tank exceeded 10 microsiemens per cm. The value of the degree is not limited to this, but if the concentration of cations such as calcium ions and magnesium ions and anions such as chlorine ions in the humidified water can be high, increase to about 50 microsiemens. In that case, an arbitrary value may be set, such as inverting the polarity.

Next, the sixth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic vibrator 103.
An ion exchange membrane electrodialysis tank 3 and a concentrated water storage tank 4 are provided below the water supply tank 104. An anode 5, anion exchange membrane 6, cation exchange membrane 7 and cathode 8 are provided inside the ion exchange membrane electrodialysis tank.
Between the anode 5 and the anion exchange membrane 6 and the cation exchange membrane 7
A concentrating chamber 9 is provided between the cathode 8 and the cathode 8, and a desalting chamber 10 is provided between the anion exchange membrane and the cation exchange membrane. The concentrating chamber 9 and the desalting chamber 10 are shaped to have high flow resistance.

As shown in FIG. 14, when the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water. .

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 through the ion exchange membrane electrodialysis tank 3 into the atomized water tank 1. A DC voltage is applied between the anode 5 and the cathode 8.

The humidifying water from the water supply tank 104 is supplied into the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, calcium ions, magnesium ions, etc. in the humidifying water are removed. Since cations are attracted to the cathode 8 and anions such as chlorine ions are attracted to the anode 5, the atomization water tank 1 is humidified by removing cations such as calcium ions and magnesium ions and anions such as chlorine ions. Water is supplied. Further, since the concentration chamber 9 and the deionization chamber 10 are shaped so that the flow path of the humidifying water is zigzag, the anion exchange membrane 6 and the cation exchange membrane 7 can be effectively used.

As described above, according to the ultrasonic humidifier of the sixth embodiment of the present invention, the performance of removing cations such as calcium ions and magnesium ions and anions such as chlorine ions from the humidified water can be improved. It is a thing.

In this example, the anion exchange membrane was replaced by 1
However, the number of membranes is not limited to one each, but by increasing the number of membranes, cations such as calcium and magnesium ions and anions such as chlorine ions can be obtained. Needless to say, the removal performance of can be improved.

In this embodiment, the concentration chamber 9 and the desalting chamber 1 are
Although the shape of 0 is set so that the flow path of the humidifying water is zigzag, the flow path is not limited to this, and when the humidifying water flows from the water supply tank to the atomization water tank, the flow inside the ion exchange membrane electrodialysis tank If the route has a shape with high flow resistance,
It goes without saying that the same effect can be obtained even if a net-like spacer thinner than the thickness of the concentrating chamber 9 and the desalting chamber 10 is installed in the concentrating chamber 9 and the desalting chamber 10.

Next, the seventh embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic vibrator 103.
An ion exchange membrane electrodialysis tank 3 and a concentrated water storage tank 4 are provided in the flow path 2 of the humidified water below the water supply tank 104. An anode 5, anion exchange membrane 6, cation exchange membrane 7 and cathode 8 are provided inside the ion exchange membrane electrodialysis tank. A concentration chamber 9 is provided between the anode 5 and the anion exchange membrane 6 and between the cation exchange membrane 7 and the cathode 8, and a desalting chamber 10 is provided between the anion exchange membrane 6 and the cation exchange membrane 7.

As shown in FIG. 15, when the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water. .

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 to the atomized water tank 1 through the flow path 2 and the ion exchange membrane electrodialysis tank 3. To be done. A direct current voltage of 5 V or more is applied between the anode 5 and the cathode 8 per cm distance between the electrodes.

The humidifying water from the water supply tank 104 is supplied to the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, calcium ions, magnesium ions, etc. in the humidifying water are removed. Positive ions are attracted to the cathode 8 and negative ions such as chlorine ions are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chlorine ions move from the desalting chamber to the concentration chamber 9. Resulting in. Therefore, the atomized water tank 1 is supplied with humidification water from which cations such as calcium ions and magnesium ions and anions such as chlorine ions have been removed. Since the cations such as calcium ions and magnesium ions and the anions such as chlorine ions that have moved to the concentrating chamber 9 are stored in the concentrated water storage tank 4 as concentrated water, when the concentrated water storage tank 4 becomes full, the concentrated water is stored. Should be discarded.

Further, since a DC voltage of 5 V or more is applied per 1 cm of distance between the electrodes, even if bacteria are present in the humidified water, they will be sterilized by electric field. Therefore, it is possible to prevent the release.

As described above, according to the ultrasonic humidifier of the seventh embodiment of the present invention, cations such as calcium ions and magnesium ions and anions such as chlorine ions are discharged from the humidified water as concentrated water, so that calcium is added. The removal performance of cations such as ions and magnesium ions and anions such as chlorine ions can be maintained for a long period of time, and furthermore, bacteria can be prevented from being released indoors from the ultrasonic humidifier together with the humidified mist. It is possible.

The voltage required for electrolytic sterilization depends on the electric resistance of the anion exchange membrane and the cation exchange membrane, or 5 depending on the number of the anion exchange membrane and the cation exchange membrane.
In some cases, a voltage considerably higher than V (10 V or more) is required.

Next, the eighth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic vibrator 103.
An ion exchange membrane electrodialysis tank 3 and a concentrated water storage tank 4 are provided in the flow path 2 of the humidified water below the water supply tank 104. Inside the ion exchange membrane electrodialysis tank, an anode 5, a cation exchange membrane 7 and a cathode 8 are provided.
A desalting chamber 10 is provided between the anode 5 and the cation exchange membrane 7, and a concentrating chamber 9 is provided between the cation exchange membrane 7 and the cathode 8.

As shown in FIG. 16, as the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions are removed from the humidified water.

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 through the ion exchange membrane electrodialysis tank 3 into the atomized water tank 1. A DC voltage is applied between the anode 5 and the cathode 8.

The humidifying water from the water supply tank 104 is supplied into the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, calcium ions, magnesium ions, etc. in the humidifying water are removed. The positive ions are attracted to the cathode 8.
On the other hand, since the cation exchange membrane passes only cations,
Cations such as calcium ions and magnesium ions move from the desalting chamber to the concentrating chamber 9. Therefore, the atomized water tank 1 is supplied with humidifying water from which cations such as calcium ions and magnesium ions have been removed.

As described above, according to the ultrasonic humidifier of the eighth embodiment of the present invention, cations such as calcium ions and magnesium ions from the humidified water can be removed only by the cation exchange membrane.

If it is not necessary to remove anions such as chlorine ions from the humidified water, it is not necessary to use an anion exchange membrane as in this embodiment.

The ninth embodiment of the present invention will be described below with reference to FIG.
This will be described with reference to FIG. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic vibrator 103.
An ion exchange membrane electrodialysis tank 3 and a concentrated water storage tank 4 are provided in the flow path 2 of the humidified water below the water supply tank 104. An anode 5, anion exchange membrane 6, cation exchange membrane 7 and cathode 8 are provided inside the ion exchange membrane electrodialysis tank. A concentration chamber 9 is provided between the anode 5 and the anion exchange membrane 6 and between the cation exchange membrane 7 and the cathode 8, and a desalting chamber 10 is provided between the anion exchange membrane 6 and the cation exchange membrane 7. In addition, in the deionization chamber 10, the ion exchange resin 1
3 is filled. The ion exchange resin 13 is a mixture of a cation exchange resin and an anion exchange resin.

As shown in FIG. 17, when the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water. .

The operation of the above arrangement will be described below. When the humidification operation switch is turned on, the ultrasonic vibrator 103 works to generate a humidification mist. Since the humidified water in the atomized water tank is reduced by blowing the humidified mist into the room, the humidified water is supplied from the water supply tank 104 to the atomized water tank 1 through the flow path 2 and the ion exchange membrane electrodialysis tank 3. To be done. A DC voltage is applied between the anode 5 and the cathode 8.

The humidifying water from the water supply tank 104 is supplied into the concentrating chamber 9 and the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, calcium ions, magnesium ions, etc. in the humidifying water are removed. The cations are ion-exchanged with the hydrogen ions of the cation-exchange resin, and the anions such as chloride ions are ion-exchanged with the hydroxide ions of the anion-exchange resin.
After that, cations such as calcium ions and magnesium ions in the cation exchange resin are attracted to the cathode 8,
Anions such as chlorine ions in the anion exchange resin are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chlorine ions move from the desalting chamber to the concentrating chamber 9. Resulting in. Therefore, the atomized water tank 1 is supplied with humidification water from which cations such as calcium ions and magnesium ions and anions such as chlorine ions have been removed. The cations such as calcium ions and magnesium ions and the anions such as chlorine ions that have moved to the concentrating chamber 9 are stored in the concentrated water storage tank 4 as concentrated water. Therefore, when the concentrated water storage tank 4 becomes full, Should be discarded.

As described above, according to the ultrasonic humidifier of the ninth embodiment of the present invention, cations such as calcium ions and magnesium ions and anions such as chlorine ions are discharged from the humidified water as concentrated water. The ability to remove cations such as ions and magnesium ions and anions such as chlorine ions can be maintained for a long period of time. In addition, cations such as calcium ions and magnesium ions and anions such as chlorine ions move more quickly in the ion exchange resin than in water, so the ion exchange membrane in the ion exchange membrane electrodialysis tank can By sandwiching an ion exchange resin between them, the removal performance of cations such as calcium ions and magnesium ions and anions such as chloride ions in the ion exchange membrane electrodialysis tank can be improved.

In this example, the anion exchange membrane was replaced by 1
However, the number of membranes is not limited to one each, but by increasing the number of membranes, cations such as calcium and magnesium ions and anions such as chlorine ions can be obtained. Needless to say, the removal performance of can be improved.

Next, a tenth embodiment of the present invention will be described with reference to FIG. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

The atomizing water tank 1 is provided above the ultrasonic transducer 103.
And a humidification water circulation pump 14 beside the water supply tank 104,
Ion exchange membrane electrodialysis tank 3 and concentrated water circulation pump 15
And a concentrated water storage tank 16 is provided. An electric conductivity detector 17 is provided inside the water supply tank 104. Inside the ion exchange membrane electrodialysis tank, an anode 5 and
An anion exchange membrane 6, a cation exchange membrane 7 and a cathode 8 are provided. A concentration chamber 9 is provided between the anode 5 and the anion exchange membrane 6 and between the cation exchange membrane 7 and the cathode 8, and a desalting chamber 10 is provided between the anion exchange membrane and the cation exchange membrane.

As shown in FIG. 18, when the humidified water passes through the inside of the ion exchange membrane electrodialysis tank 3, cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed from the humidified water. .

The operation of the above arrangement will be described below. From the water supply tank 104 to the humidification water circulation pump 14
By this, humidifying water is supplied to the desalting chamber 10 in the ion exchange membrane electrodialysis tank 3. On the other hand, concentrated water is supplied from the concentrated water storage tank 16 to the concentration chamber 9 in the ion exchange membrane electrodialysis tank 3 by the concentrated water circulation pump 15. A DC voltage is applied between the anode 5 and the cathode 8.

The humidifying water from the water supply tank 104 is supplied into the desalting chamber 10. When the humidifying water passes through the desalting chamber 10, cations such as calcium ions and magnesium ions in the humidifying water are cathodic. 8 and anions such as chlorine ions are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chloride ions are discharged from the desalting chamber 10 into the concentrating chamber 9. Move to. The humidifying water from which the cations such as calcium ions and magnesium ions and the anions such as chlorine ions are removed is supplied to the water supply tank 104 again. On the other hand, the concentrated water from the concentrated water storage tank 16 is supplied into the concentrating chamber 9, but when the concentrated water passes through the concentrating chamber 9, calcium ions, magnesium ions, etc. in the humidified water in the desalting chamber 10 Positive ions are attracted to the cathode 8 and negative ions such as chlorine ions are attracted to the anode 5. On the other hand, since the anion exchange membrane can pass only anions and the cation exchange membrane can pass only cations, cations such as calcium ions and magnesium ions and anions such as chlorine ions are discharged from the deionization chamber 10. Move to. in this way,
Concentrated water in which cations such as calcium ions and magnesium ions and anions such as chlorine ions are concentrated is supplied to the concentrated water storage tank 16 again.

The electric conductivity of the humidifying water decreases as cations such as calcium ions and magnesium ions and anions such as chlorine ions are removed. Therefore, since the electric conductivity of the humidifying water in the water supply tank 104 is detected by the electric conductivity detecting unit 17, when the electric conductivity of the humidifying water becomes equal to or lower than a predetermined value, the humidifying water circulation pump 14 and the concentrated water circulation unit are provided. Energization of the pump 15 and the ion exchange membrane electrodialysis tank 3 may be stopped.

As described above, according to the ultrasonic humidifier of the tenth embodiment of the present invention, cations such as calcium ions and magnesium ions and chlorine ions from the humidified water are irrespective of the operating condition of the ultrasonic humidifier. The anions can be removed.

In this example, the anion exchange membrane was replaced by 1
However, the number of membranes is not limited to one each, but by increasing the number of membranes, cations such as calcium and magnesium ions and anions such as chlorine ions can be obtained. Needless to say, the removal performance of can be improved.

[0122]

As is apparent from the above embodiments, according to the present invention, by applying a voltage to the electrodes provided on both sides of the ion exchange membrane electrodialysis tank, cations such as calcium ions and magnesium ions are obtained. Permeates the cation exchange membrane, and anions such as chlorine ions permeate the anion exchange membrane, so the removal performance of cations such as calcium ions and magnesium ions and anions such as chloride ions from humidified water can be maintained for a long time. Since it can be maintained over a long period of time, it is possible to provide an ultrasonic humidifier that is effective in preventing the generation of white powder for a long period of time.

Further, since the electrode voltage of the ion-exchange membrane electrodialysis tank increases with the operating time, it is possible to prevent the removal performance of cations such as calcium ions and magnesium ions and anions such as chlorine ions from being deteriorated. As a result, the removal performance of cations such as calcium ions and magnesium ions and anions such as chlorine ions from the humidified water can be maintained for a long period of time, so that the generation of white powder can be prevented for a long period of time. An effective ultrasonic humidifier can be provided.

Further, while the polarity of the electrode of the ion exchange membrane electrodialysis tank is reversed, the deposits on the electrode on the cathode side can be removed. By removing the deposits on the electrode by reversing the polarity at regular intervals, the removal performance of cations such as calcium and magnesium ions and anions such as chloride ions can be maintained for a long time. It is possible to provide an ultrasonic humidifier that is effective in preventing its occurrence for a long period of time.

Further, when the electric conductivity of the humidifying water in the atomization water tank rises above a predetermined value, the electrode voltage of the ion exchange membrane electrodialysis tank is raised, so that cations such as calcium ions and magnesium ions and Since it is possible to prevent the removal performance of anions such as chlorine ions from decreasing, the removal performance of cations such as calcium and magnesium ions and anions such as chloride ions from humidified water is maintained for a long period of time. Therefore, it is possible to provide an ultrasonic humidifier that is effective in preventing the generation of white powder over a long period of time.

Further, when the electric conductivity of the humidifying water in the atomizing water tank rises above a predetermined value, the polarity of the electrode of the ion exchange membrane electrodialysis tank is reversed to remove the deposits on the electrode, thereby removing calcium ions and Since the removal performance of cations such as magnesium ions and anions such as chloride ions can be maintained for a long period of time, it is possible to provide an ultrasonic humidifier that is effective in preventing the generation of white powder for a long period of time. .

Further, since the humidifying water is made to flow to every corner of the space between the ion exchange membranes, the membrane of the ion exchange membrane electrodialysis tank can be effectively utilized to remove cations such as calcium ions and magnesium ions. Since the performance of removing anions such as chlorine ions can be improved, it is possible to provide an ultrasonic humidifier that is effective in preventing the generation of white powder for a long period of time.

Further, since the humidified water that has passed through the ion exchange membrane electrodialysis tank is subjected to electric field sterilization, water containing no bacteria can be used for humidification, so that the generation of white powder can be prevented for a long period of time. Further, it is possible to provide an ultrasonic humidifier having an effect of preventing bacteria in humidified water from being released into the room.

Furthermore, an ultrasonic humidifier having the effect of reducing the number of required films can be provided by adopting a structure in which only cations such as calcium ions and magnesium ions in humidified water are removed.

Further, by sandwiching the ion exchange resin, cations such as calcium ions and magnesium ions and anions such as chlorine ions are rapidly removed from the humidified water, so that cations such as calcium ions and magnesium ions and It is possible to provide an ultrasonic humidifier that is effective in improving the performance of removing anions such as chlorine ions.

Furthermore, regardless of the operating condition of the ultrasonic humidifier, the cations such as calcium ions and magnesium ions and the anions such as chlorine ions in the water supply tank move into the concentrated water, so that the ultrasonic humidifier is operated. It is possible to provide an ultrasonic humidifier having an effect of removing cations such as calcium ions and magnesium ions and anions such as chlorine ions in humidified water regardless of the state.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an ultrasonic humidifier according to a first embodiment of the present invention.

FIG. 2 is a vertical sectional view of an ultrasonic humidifier according to a second embodiment of the present invention.

FIG. 3 is a block diagram of a control circuit of an ultrasonic humidifier according to a second embodiment of the present invention.

FIG. 4 is a flowchart of a control circuit of the ultrasonic humidifier according to the second embodiment of the present invention.

FIG. 5 is a vertical sectional view of an ultrasonic humidifier according to a third embodiment of the present invention.

FIG. 6 is a block diagram of a control circuit of an ultrasonic humidifier according to a third embodiment of the present invention.

FIG. 7 is a flowchart of a control circuit of an ultrasonic humidifier according to a third embodiment of the present invention.

FIG. 8 is a vertical sectional view of an ultrasonic humidifier according to a fourth embodiment of the present invention.

FIG. 9 is a block diagram of a control circuit of an ultrasonic humidifier according to a fourth embodiment of the present invention.

FIG. 10 is a flowchart of a control circuit of an ultrasonic humidifier according to a fourth embodiment of the present invention.

FIG. 11 is a vertical sectional view of an ultrasonic humidifier according to a fifth embodiment of the present invention.

FIG. 12 is a block diagram of a control circuit of an ultrasonic humidifier according to a fifth embodiment of the present invention.

FIG. 13 is a flowchart of the control circuit of the ultrasonic humidifier of the fifth embodiment of the present invention.

FIG. 14 is a vertical sectional view of an ultrasonic humidifier according to a sixth embodiment of the present invention.

FIG. 15 is a vertical sectional view of an ultrasonic humidifier according to a seventh embodiment of the present invention.

FIG. 16 is a vertical sectional view of an ultrasonic humidifier according to an eighth embodiment of the present invention.

FIG. 17 is a vertical sectional view of an ultrasonic humidifier according to a ninth embodiment of the present invention.

FIG. 18 is a vertical sectional view of an ultrasonic humidifier according to a tenth embodiment of the present invention.

FIG. 19 is a vertical sectional view of an ultrasonic humidifier equipped with a conventional electrode and a diaphragm.

[Explanation of symbols]

 1 Atomization Water Tank 2 Distribution Channel 3 Ion Exchange Membrane Electrodialysis Tank 5 Anode 6 Anion Exchange Membrane 7 Cation Exchange Membrane 8 Cathode 11 Control Circuit 12 Electrical Conductivity Detector 13 Ion Exchange Resin 16 Concentrated Water Storage Tank 21 Operating Time Measurement Integration Means 22 set time input means 23 integrated value output means 24 integrated time determination means 25 electrode voltage control means 26 electrode polarity control means 27 electric conductivity detection section 28 electric conductivity set value input means 29 electric conductivity detected value output means 30 electric conduction Degree determining means 101 Ultrasonic humidifier body 103 Ultrasonic vibrator 104 Water tank

Claims (10)

[Claims] 1. An ultrasonic humidifier body, an atomizing water tank provided in the ultrasonic humidifier body, a detachable water supply tank, and an ultrasonic vibrator provided in the atomizing water tank. ,
At least one or more anion exchange membranes and at least one or more cation exchange membranes are alternately arranged along the flow path of humidified water between the water supply tank and the atomization water tank, and the anion exchange membranes and the cation exchange membranes are alternately arranged. Electrodes on both sides of the membrane,
An ultrasonic humidifier provided with an ion exchange membrane electrodialysis tank configured to apply a DC voltage between the electrodes. 2. An operating time measuring and integrating means for measuring and integrating the operating time of the ultrasonic humidifier, a set time inputting means for inputting a set time for increasing the electrode voltage, and an integrated value of the operating time measuring and integrating means. Integrated value output means for outputting
Integrated time determination means for determining the difference between the integrated value from the integrated value output means and the set time, and ion exchange provided in the flow path between the water supply tank and the atomized water tank according to the determination result of the integrated time determination means. The ultrasonic humidifier according to claim 1, further comprising electrode voltage control means for increasing an electrode voltage of the membrane electrodialysis tank. 3. An operating time measuring and accumulating means for measuring and accumulating the operating time of the ultrasonic humidifier, a set time inputting means for inputting a set time at which the polarity of the electrode should be reversed, and an accumulating means for the operating time measuring and accumulating means. An integrated value output means for outputting a value, an integrated time determination means for determining a difference between the integrated value from the integrated value output means and a set time, and a water supply tank and an atomized water tank based on the determination result of the integrated time determination means. The ultrasonic humidifier according to claim 1, further comprising electrode polarity control means for reversing the polarity of the electrodes of the ion exchange membrane electrodialysis tank provided in the flow path between them. 4. An electric conductivity detector in the atomized water tank, an electric conductivity detection value output means for outputting a detection value of the electric conductivity detector, and an electric conductivity for increasing the voltage of the electrode. Electric conductivity set value input means for inputting a value, electric conductivity judgment means for judging the difference between the detected value from the electric conductivity detection value output means and the electric conductivity set value, and the electric conductivity judgment means The ultrasonic humidifier according to claim 1, further comprising electrode voltage control means for increasing the voltage of the electrode of the ion-exchange membrane electrodialysis tank provided in the flow path between the water supply tank and the atomized water tank according to the determination result. 5. An electric conductivity detector in the atomized water tank, an electric conductivity detection value output means for outputting a detection value of the electric conductivity detector, and an electric conductivity setting for inverting the polarity of the electrode. Electric conductivity set value input means for inputting a value, electric conductivity judgment means for judging the difference between the detected value from the electric conductivity detection value output means and the electric conductivity set value, and the electric conductivity judgment means The ultrasonic humidifier according to claim 1, further comprising an electrode polarity control means for reversing the polarity of the electrode of the ion exchange membrane electrodialysis tank provided in the flow path between the water supply tank and the atomized water tank according to the judgment result. 6. The desalination chamber or concentration chamber between the membranes of the ion-exchange membrane electrodialysis tank provided in the flow path between the water supply tank and the atomization water tank is shaped to have high flow resistance. 3,
4. The ultrasonic humidifier according to 4 or 5. 7. The voltage of the electrode of the ion exchange membrane electrodialysis tank provided in the flow path between the water supply tank and the atomization water tank is 5 V or more per 1 cm between the electrodes.
The ultrasonic humidifier according to 3, 4, 5 or 6. 8. The ultrasonic humidifier according to claim 1, wherein the ion exchange membrane in the ion exchange membrane electrodialysis tank provided in the flow path between the water supply tank and the atomization water tank is composed of only a cation exchange membrane. 9. The ultrasonic humidifier according to claim 1, wherein an ion exchange resin is sandwiched between ion exchange membranes in an ion exchange membrane electrodialysis tank provided in a flow path between the water supply tank and the atomization water tank. . 10. An ultrasonic humidifier main body, an atomizing water tank provided in the ultrasonic humidifier main body, a detachable water supply tank, and an ultrasonic vibrator provided in the atomizing water tank. ,
A detachable concentrated water storage tank, at least one or more anion exchange membranes and at least one or more cation exchange membranes are alternately arranged, and electrodes are provided on both sides of the anion exchange membranes and the cation exchange membranes. An ultrasonic humidifier in which the water supply tank and the concentrated water tank are connected by an ion exchange membrane electrodialysis tank.