JP2004233022A - Vaporizing type humidifier - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vaporizing type humidifier, preventing malodor generation, even if the humidifier is used for a long period, or is left over with water in a water tank. <P>SOLUTION: The vaporizing type humidifier comprises a body 1 having an inlet port 8 and outlet port 12; a blasting fan 7 and a water bath 4 provided inside the body; a water tank 2 communicated with the water bath 4 through a water channel 5; and a vaporization filter 6 with its lower part immersed in water of the water bath 4. The water bath 4 receives water from the water tank 2 to store a certain volume of water constantly. The blasting fan 7 takes air through the inlet port 8 to supply to the vaporization filter 6. The air humidified by taking humid from the vaporization filter 6 is blown out through the outlet port 12. The vaporization type humidifier further comprises switching means 13 for shutting off the water channel 5 during off-operation . The blasting fan 7 and a heating body 10 are turned on to forcibly dry the vaporization filter 6. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a vaporizing humidifier that humidifies a vaporized filter that has absorbed water by passing air through a fan.
[0002]
[Prior art]
In a conventional evaporative humidifier, the water tank and the water tank are always in communication with each other through a water channel, and as long as there is water in the water tank, the evaporating filter sucks up the water in the water tank by a capillary phenomenon and keeps the water constantly wet. It is configured to be kept in a state. (For example, refer to Patent Document 1.)
[0003]
[Patent Document 1]
JP-A-2000-356373 (page 3-4, FIGS. 1-2)
[0004]
[Problems to be solved by the invention]
However, in the case of the above-mentioned conventional vaporizing humidifier, if the humidifier is used for a long time while the vaporizing filter remains wet, or if it is stored for a long time with water in the water tank, the vaporizing filter eventually becomes Problems such as the growth of molds and various germs and the generation of offensive odor occur.
[0005]
The present invention has been made to solve the above problems, and it is an object of the present invention to provide a vaporizing humidifier that can suppress the growth of mold and various germs on a vaporizing filter and can prevent the generation of an odor. .
[0006]
[Means for Solving the Problems]
The evaporative humidifier of the present invention includes a main body having an inlet and an outlet, a blower fan and a water tank provided in the main body, a water tank communicating with the water tank through a water channel, and a water tank in the water tank. The water tank receives water from the water tank and always contains a certain amount of water, and the blower fan draws air from the suction port to ventilate the vaporization filter. An evaporative humidifier that removes moisture from the evaporator filter and blows out humidified air from the outlet is provided with an opening / closing unit that closes when operation is off and shuts off a water channel that connects the water tank and the water tank. Things.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiment 1 FIG.
Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings.
FIG. 1 is a sectional view showing an evaporative humidifier according to a first embodiment of the present invention.
As shown in FIG. 1, an inlet 8 is provided on a side surface of a main body 1 made of a synthetic resin, and an outlet 12 is provided on an upper surface. A water tank 4 is provided inside the main body 1 to be supplied with water from a removable water tank 2 via a water receiving portion 3 and a tubular water channel 5. The water tank 4 is communicated with the water receiver 3 via the water channel 5 and always stores a constant amount of water. A lower portion is provided in the water tank 4 so as to be immersed in water, and a vaporizing filter 6 for sucking up water by capillary action is provided. A fan 7 for blowing air to the vaporizing filter 6 is provided in the main body 1. A humidity sensor A9 and a humidity sensor B14 for detecting humidity in the passing air are provided near the inlet 8 and the outlet 12 of the main body 1, respectively. A heating element 10 is provided at the discharge port 11 of the blower fan 7 described above. The water channel 5 is provided with an opening / closing means 13 composed of, for example, an electromagnetic valve. The opening / closing means 13 is configured to close when the humidifier is off, and to open when the humidifier is on.
[0008]
FIG. 2 is a block diagram of a control circuit of the evaporative humidifier of the first embodiment having the above configuration.
As shown in FIG. 2, the control unit 15 controls on / off of the blower fan 7, the heating body 10, and the opening / closing means 13 based on input information from the operation switch 16, the humidity sensor A <b> 9, and the humidity sensor B <b> 14.
[0009]
Next, the operation of the first embodiment having the above configuration will be described.
When the water tank 2 is set on the main body 1, the water in the water tank 2 falls into the water receiving section 3. The water in the water receiving section 3 flows through the water channel 5 to the closed opening / closing means 13 and maintains a steady water level. When the control unit 15 turns on (opens) the opening / closing unit 13 by turning on the operation switch 16, water in the water receiving unit 3 is supplied to the water tank 4 through the opening / closing unit 13 and the water channel 5, and the steady water level is maintained. Hold. After a predetermined time has elapsed, the control unit 15 turns on the blower fan 7, and the dry air sucked from the suction port 8 is blown to the vaporization filter 6. At this time, when the control unit 15 determines that the humidity is low based on the input information from the humidity sensor A9 provided in the suction port 8, the heating unit 10 is turned on, and the sucked dry air is heated and the hot air is heated. And is sent to the vaporization filter 6. The vaporizing filter 6 sucks up the water in the water tank 4 by capillary action, and wets the dry air by heat exchange with the sent dry air. The humid air is discharged from the air outlet 12 to the outside of the main body 1, and a humidifying operation is performed.
On the other hand, when the operation switch 16 is turned off, the opening / closing means 13 is turned off (closed) to shut off the water channel 5.
[0010]
Next, a control operation after the operation switch is turned off in the first embodiment will be described. FIG. 3 is a flowchart showing a control operation after the operation switch of the evaporative humidifier according to the first embodiment of the present invention is turned off.
First, when the operation switch is turned off in step S1, the process proceeds to step S2. In step S2, a signal for turning off the opening / closing means 13 is output from the control unit 15, the opening / closing means 13 is closed, the water channel 5 is shut off, and the process proceeds to step S3. In step S3, the control unit 15 turns on the blower fan 7 and the heating element 10 to start forced drying of the vaporizing filter 6 with warm air.
[0011]
Next, in step S4, the humidity T1 is measured by the humidity sensor B14 for the air sent from the vaporization filter 6, and the measurement result is output to the control unit 15. In step S5, when the humidity measured in step S4 is higher than 30% RH, it is determined that the vaporizing filter 6 is wet, and the process proceeds to step 4, where the humidity T1 is measured again by the humidity sensor B14. If the measured humidity in step S4 is smaller than 30% RH, it is determined that the drying of the vaporization filter 6 has been completed, and the process proceeds to step 6. In step 6, the blower fan 7 and the heating element 10 are turned off, and the process proceeds to step 7, where forced drying of the vaporization filter 6 is stopped.
[0012]
As described above, according to the first embodiment, the water channel 5 is provided with the opening / closing means 13 including, for example, an electromagnetic valve, and the opening / closing means 13 is closed when the operation switch 15 of the humidifier is turned off. Therefore, each time the operation is turned off, the waterway 5 is shut off. Therefore, even if the water tank 2 is left with water, the water tank 4 is not supplied with water until the water in the water tank 2 runs out. If the water in the water tank 4 does not evaporate, The vaporization filter 6 cannot absorb water.
Therefore, it is possible to solve the problems that the vaporizing filter 6 is always kept in a wet state as in the related art, that molds and various germs propagate, and that an odor is generated. At the same time that the opening / closing means 13 is closed, the blower fan 7 and the heating element 10 are turned on to forcibly dry the vaporizing filter 6 with warm air. By monitoring the humidity of the filter, the end of drying of the vaporizing filter can be detected, and forced drying can be stopped at an appropriate time. Thereby, useless use of electric power can be suppressed, and electricity bills can be saved and energy can be saved.
[0013]
In the first embodiment, the humidity sensor B14 provided near the outlet 12 monitors the humidity of the blown air to detect the end of drying of the vaporizing filter and stop forced drying. The forced drying of the vaporizing filter 6 may be stopped by operating the fan 7 and the heating element 10 for a certain period of time.
Further, the forced drying of the vaporizing filter 6 by the blowing fan 7 and the heating element 10 is not always a necessary control matter, and it is sufficient that at least the opening / closing means 13 for shutting off the water channel 5 when the operation is turned off is provided.
[0014]
【The invention's effect】
As described above, according to the present invention, when the operation is turned off, the water tank and the water tank are provided with the opening / closing means that shuts off the water path, so that the water tank is used for a long time or stored for a long time with water in the water tank. Even in such a case, it is possible to obtain an effect that it is possible to suppress the growth of mold and various germs on the vaporizing filter, and to prevent the generation of an odor.
[Brief description of the drawings]
FIG. 1 is a sectional view showing an evaporative humidifier according to a first embodiment of the present invention.
FIG. 2 is a block diagram of a control circuit of the evaporative humidifier according to the first embodiment of the present invention.
FIG. 3 is a flowchart showing a control operation of the evaporative humidifier according to the first embodiment of the present invention after the operation switch is turned off.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 2 Water tank 4 Water tank 5 Waterway 6 Vaporization filter 7 Blower fan 8 Suction port 9 Humidity sensor A
DESCRIPTION OF SYMBOLS 10 Heating body 11 Discharge port 12 Air outlet 13 Opening / closing means 14 Humidity sensor B

Claims (5)

A main body having an inlet and an outlet formed therein, a blower fan and a water tank provided in the main body, a water tank communicated with the water tank by a water channel, and a vaporization filter having a lower part immersed in water in the water tank. The water tank receives water from a water tank and always contains a fixed amount of water, and the blower fan draws in air from the suction port to ventilate the vaporization filter, depriving the vaporization filter of moisture. An evaporative humidifier in which humidified air is blown out from the outlet, wherein an opening / closing means for closing a water passage for closing the operation when the operation is off and communicating the water tank with the water tank is provided. . The evaporative humidifier according to claim 1, wherein the opening / closing means is closed at the same time as an operation switch is turned off to shut off a water passage, and the blower fan is turned on to forcibly dry the evaporative filter. A heating element is provided at the discharge port of the blower fan, and the opening / closing means is closed at the same time as the operation switch is turned off to shut off the water passage, and the blower fan and the heater are turned on to forcibly dry the vaporization filter. The evaporative humidifier according to claim 1, wherein: 3. The vaporizing humidifier according to claim 2, wherein a humidity sensor B is provided at an outlet of the main body, and the drying operation is stopped by detecting the end of drying of the vaporizing filter by the humidity sensor B. A heating element is provided at the discharge port of the blower fan, the opening / closing means is closed at the same time as the operation switch is turned off to shut off the water passage, and the blower fan and the heating element are operated for a certain time to forcibly force the vaporization filter. The evaporative humidifier according to claim 1, wherein the humidifier is dried.

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