JPH0742978A - Humidifier - Google Patents

Abstract

PURPOSE:To prevent a drop in the temperature of humidified air being blow out in a vaporization type device. CONSTITUTION:This humidifier which comprises an evaporator 4 made up of a water absorbing material while having a plurality of through holes, a feeder 2 which discharges air passing through the through holes of the evaporator 4 with water being supplied thereto at a blowoff port and a heating means 31 to heat the air passing the through holes. In addition to a first blowing path 21 through a blower 2, the evaporator 4 and a blowoff port 12, a second air feeding path 22 is arranged to connect the blower 2 and the heating means 32 to the blowoff port 12 and not through the evaporator 4. The air blown out through the second blowing path 22, namely, that heated while none passes through the evaporator 4 helps raise the air cooled through the evaporator 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a humidifier, and more particularly, to a vaporization type humidifier that applies moisture to air by utilizing a vapor partial pressure difference of air.

[0002]

2. Description of the Related Art As a humidifier, in addition to a boiling type or an ultrasonic type, an evaporator made of a water-absorbing material and having a large number of through holes, and a wind passing through the through holes of the evaporator to be supplied with water. There is a vaporization type that is composed of a blower that discharges air from a blowout port. This is because the difference between the vapor partial pressure on the inner surface of the through hole that is wet with water and the vapor partial pressure of the air passed through the through hole by the blower causes the water on the inner surface of the through hole to evaporate and pass. Moisture is added to the air.

[0003]

By the way, in such a vaporization type humidifier, the air is cooled by the latent heat of vaporization when the water for vaporizing the moisture is vaporized. On the other hand, the humidifier is often used in the winter, and it becomes uncomfortable if the wind having a temperature lower than room temperature directly hits the human body in the winter. In some cases, by providing a heating means for heating the air that blows air into the through-hole of the evaporator with a blower, and reducing the vapor partial pressure of the air passing through the through-hole, evaporation of water due to the difference in vapor partial pressure is promoted. However, in this case, when more water is evaporated by the heated air, the cooling due to the latent heat of evaporation is also promoted, so that the effect of increasing the temperature of the humidified air is small.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a humidifier capable of preventing the temperature drop of the humidified and blown air in the vaporization type. It is in.

[0005]

According to the present invention, however, an evaporator made of a water-absorbing material and having a large number of through holes, and the wind passing through the through holes of the evaporator to which water is supplied are discharged from an outlet. A humidifier comprising a blower for heating and a heating means for heating the air passing through the through hole, the blower and the heating means in addition to the first blower path passing through the blower, the evaporator and the outlet. It is characterized in that it is provided with a second air passage connecting the air outlet and the air outlet and not passing through the evaporator.

[0006]

According to the present invention, the air blown out through the second air passage, that is, the air which is heated and does not pass through the evaporator, is blown out in order to raise the temperature of the air cooled through the evaporator. It prevents the temperature of the humidified air discharged from the mouth from decreasing.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the illustrated embodiments. In FIGS.
However, as shown in FIG. 2, the lower portion of the housing 1 having the suction port 11 provided at the rear portion of the upper surface serves as a water tank 10, and the blower 2 and the two heaters 31, 32 are provided at the upper portion.
And, as shown in FIG. 4, the evaporator 4 which is made of porous ceramic and has a large number of through holes 40 penetrating in the front-rear direction and whose lower portion is located in the water tank 10 is housed. Further, two air passages 21 and 22 are formed. The first air blow passage 21 includes the blower 2 and one heater 31.
And the evaporator 4 to reach the outlet 12, and the second air passage 22 includes the air blower 2 and the other heater 32.
It reaches the blowout port 12 via the and, and is a bypass of the evaporator 4.

In this case, if water is put in the water tank 10 and the power switch 15 is turned on, the state shown in FIG.
As is clear from the circuit diagram of FIG. 2, the blower 2 and the heater 31 are energized, and the blower 2 is connected to the first blower path 2
The air entering 1 is heated by the heater 31 and then sucks up the water in the evaporator 4 to pass through the through hole 40 whose inner surface is wet, and at this time, the water on the inner surface of the through hole 40 is evaporated. As a result, it is humidified and moves toward the outlet 12.

Further, if the air entering the second air passage 22 from the blower 2 is energized to the heater 32 by the changeover switch 16, it is heated by the heater 32 and then blown out without passing through the evaporator 4. Toward 12, the air is humidified by passing through the first air passage 21 and mixed with the air cooled by the latent heat of vaporization to raise the temperature. The air discharged from the outlet 12 is heated.

When the humidified air discharged from the outlet 12 is operated in a state where it does not hit the human body, if the heater 32 is turned off by the changeover switch 16,
Energy consumption can be suppressed. Incidentally, the heating energy of the heater 31 and the latent heat of vaporization due to the amount of evaporation promoted by the heating by the heater 31 have almost the same absolute value, and even if the heater 32 is turned off, the room where the humidifier is used Will not be cooled.

Another embodiment is shown in FIG. 6 and subsequent figures. Here, the single heater 31 is connected to the first air passage 21 and the second air passage 22.
And the second air passage 22.
A damper 5 for opening and closing is provided. The switching knob 50 in FIG. 6 is for opening and closing the damper 5. in this case,
When the human body hits the humidified air, it is possible to prevent the temperature of the humidified air from lowering by opening the damper 5 and flowing the heated air to the second air passage 22, so that the human body does not hit the humidified air. When performing, humidification can be efficiently performed by closing the damper 5 so that all the heated air flows into the first air passage 21.

[0012]

As described above, in the present invention, the air blown out through the second air passage, that is, the air that is heated and does not pass through the evaporator, changes the temperature of the air cooled through the evaporator. In order to increase the temperature, it is possible to prevent the temperature of the humidified air discharged from the air outlet from decreasing, and even when the human body hits the humidified air discharged from the air outlet in winter, it does not cause any unpleasant feeling. Is.

Further, when the independent heating means is arranged in the second air passage or the opening / closing means for opening / closing the second air passage is provided, the humidified air discharged from the outlet does not hit the human body. It is possible to suppress energy consumption in the operation under the air and to perform efficient humidification.

[Brief description of drawings]

FIG. 1 is a horizontal sectional view of an embodiment.

FIG. 2 is a vertical sectional view of the above.

FIG. 3 is a perspective view of the above.

FIG. 4 is a perspective view of the above-mentioned evaporator.

FIG. 5 is a circuit diagram of the same.

FIG. 6 is a perspective view of another embodiment.

FIG. 7 is a horizontal sectional view of the above.

FIG. 8 is a circuit diagram of the same as above.

[Explanation of symbols]

 2 Blower 4 Evaporator 21 Blower 22 Blower 31 Heater 32 Heater

Claims (5)

[Claims] 1. An evaporator made of a water-absorbing material and having a large number of through holes, an air blower for discharging the wind passing through the through holes of the evaporator to be supplied with water from an outlet, and the above-mentioned through holes. A humidifier comprising heating means for heating air, which connects the blower, the heating means, and the blowout port to the first blower path passing through the blower, the evaporator, and the blowout port, and connects the blower to the evaporator. A humidifier having a second air passage which does not pass through. 2. The humidifier according to claim 1, wherein different heating means are provided in the first air passage and the second air passage. 3. The humidifier according to claim 2, further comprising an on / off switch for heating means arranged in the second air passage. 4. The humidifier according to claim 1, wherein the same heating means is provided in the first air passage and the second air passage. 5. The humidifier according to claim 4, further comprising opening / closing means for opening / closing the second air passage.