JP2001239827A - Humidifying/dehumidifying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of part items of a humidifying/dehumidifying device and reduce manufacturing cost. SOLUTION: One blowing fan 5 is arranged at the upstream side of a humidifying/dehumidifying rotor 6 for blowing an air to first and second passages 3A, 3B. First and second change-over doors 11, 12 are provided between each of the first and second passage 3A, 3B and each of an outer blow port 3d and an inner blow port 3c. When the first change-over door 11 communicates the first passage 3A with the outer blow port 3d and shuts it off from the inner blow port 3c, the second change-over door 12 shuts off the second passage 3B from the outer blow port 3d and communicates it with the inner blow port 3c. When the first change-over door 11 shuts off the first passage 3A from the outer blow port 3d and communicates it with the inner blow port 3c, the second change-over door 12 communicates the second passage 3B with the outer blow port 3d and shuts it off from the inner blow port 3c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dehumidifying and dehumidifying apparatus for dehumidifying a room using a dehumidifying and humidifying rotor.

[0002]

2. Description of the Related Art A conventional dehumidifying and humidifying apparatus of this type is disclosed in, for example, JP-A-63-286634 and JP-A-8-21.
No. 0664 and the like. The dehumidifying and humidifying device described in the former publication dehumidifies air flowing through one of the first and second air passages by a dehumidifying rotor, and humidifies the air flowing through the other. The switching means blows out one of the dehumidified air and the humidified air into the room, thereby dehumidifying the room. Further, the dehumidifying / humidifying apparatus described in the latter publication has a regeneration heater for a dehumidification / humidification rotor provided in each of the first and second passages. One of the two regeneration heaters is turned on and the other is turned off.
By setting it to F, the room is dehumidified or humidified.

[0003]

The above conventional dehumidifying / humidifying apparatus has a problem that the number of parts is large and the manufacturing cost is increased accordingly. For example, in the former dehumidifying / humidifying device, two fans are required for one dehumidifying / humidifying device. Further, in the latter dehumidifying / humidifying device, not only two blowers but also two regeneration heaters are installed. For this reason, there has been a problem that the manufacturing cost increases.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a first and a second passage, a blower for supplying air to the first and a second passage, and a first and a second passage.
A dehumidifying / humidifying rotor that rotates with a part thereof protruding from the second passage;
In a dehumidifying and humidifying apparatus provided with a regeneration heater provided in a passage, an outside blowout port communicating with the outside of the room, and an inside blowout port communicating with the inside of the room, the blowing means is disposed upstream of the regeneration heater, Communication between the former and the latter between the first and second passages and the outer outlet and the inner outlet,
Switching means for switching a cutoff state is provided, and the switching means connects one of the former two to one of the latter two, and when the other is cut off, connects the other of the former two. It is characterized in that one of the latter two is cut off and communicated with the other. In this case, the switching means switches the first passage exclusively to the outer and inner outlets to communicate and shut off the first passage.
Switching means, and second switching means for exclusively switching the second passage with respect to the outer and inner outlets to communicate and shut off, wherein the first switching means passes the first passage through the outer outlet. The second switching means shuts off the second passage with the outer outlet and communicates with the inner outlet when the inner outlet is in communication with the inner outlet. When the first switching means shuts off the first passage from the outer outlet and communicates with the inner outlet, the second switching means communicates the second passage with the outer outlet. In addition, it is desirable to shut off the inner outlet. A heat exchanger for causing the first and second passages to intersect at a downstream side of the dehumidifying rotor and exchanging heat between the air flowing through the first passage and the air flowing through the second passage at the intersection; Is desirably provided.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. First, an embodiment of the present invention shown in FIG. 1 will be described. In this embodiment, the present invention is applied to a dehumidification / humidification device 1 for a vehicle, and the dehumidification / humidification device 1 includes a duct 2. An air passage 3 is provided inside the duct 2. At an upstream end of the air passage 3, an outside air inlet 3a communicating with the outside of the vehicle, an inside air inlet 3b communicating with the inside of the vehicle, and a switching door 4 are provided. 5 are provided. When the blower fan 5 is started, outside air and / or inside air is introduced into the air passage 3 from the outside air inlet 3a and / or the inside air inlet 3b. Switching of the introduced air is performed as follows by the switching door 4 as the inside / outside air switching means.

The switching door 4 is rotated by a rotary actuator (not shown) between an outside air introduction position A for closing the inside air introduction port 3b and an inside air introduction position B for closing the outside air introduction port 3a. I have. When the switching door 4 rotates to the outside air introduction position A, outside air is introduced into the air passage 3 from the outside air introduction port 3a, and when the switching door 4 rotates to the inside air introduction position B, the inside air introduction port 3 is rotated.
When the inside air is introduced into the air passage 3 from the position a, and the air is turned to the intermediate position between the positions a and b, the outside air and the inside air are introduced into the air passage 3 at a ratio corresponding to the position of the switching door 4. The position of the switching door 4 is controlled by control means (not shown) including a microcomputer so that the pressure inside the vehicle is equal to or higher than the pressure outside the vehicle.

That is, when the pressure inside the vehicle becomes lower than the pressure outside the vehicle, there is a possibility that the exhaust gas may enter the vehicle from a slight gap in the vehicle body. In order to prevent such inconvenience, the dehumidifying and humidifying device 1 includes an outside air flow rate detection sensor (not shown) for detecting a flow rate of outside air introduced into the air passage 3 from the outside air inlet 3a, An exhaust air flow sensor (not shown) for detecting the flow rate of exhaust air discharged from the outlet 3d to the outside of the vehicle is provided. And the control means, so that the outside air introduction amount is larger than the exhaust air amount,
The position of the switching door 4 is controlled. This makes the pressure inside the vehicle equal to or higher than the pressure outside the vehicle, thereby preventing the exhaust gas from entering the vehicle.

In order to make the outside air introduction amount larger than the exhaust air amount, for example, the pressure inside the vehicle and the pressure outside the vehicle are detected, and the position of the switching door 4 is controlled so as to increase the pressure inside the vehicle. It can also be done by

On the downstream side of the blower fan 5, the air passage 3 is divided into a first passage 3A and a second passage 3B by a partition wall 2a.
It is divided into and. A dehumidifying / humidifying rotor 6 is rotatably provided on the partition wall 2a. Since the dehumidifying and humidifying rotor 6 has a known structure, its description is omitted. However, the dehumidifying and humidifying rotor 6 is arranged in a state in which a part is projected into the first passage 3A and another part is projected into the second passage 3B. Have been. The motor is rotated at a low speed of about 10 rpm by a rotary drive source (not shown) such as a motor. In the first passage 3A, a regeneration heater 7 is arranged near and upstream of the dehumidifying and humidifying rotor 6. Therefore, when the regeneration heater 7 is turned on and the dehumidification rotor 6 is rotated, the first passage 3
While the air flowing in A is humidified by the dehumidifying rotor 6, the air flowing in the second passage 3B is dehumidified.

The first and second passages 3A and 3B join on the downstream side of the dehumidifying and humidifying rotor 6, and the joined downstream portion is connected to the temperature control passage 3 of the air conditioner 8 for temperature control.
Also used as C. In the temperature control passage 3C, an evaporator 81 and a heater core 82 constituting the air conditioner 8 are provided.
And an air mixing door 83. The air whose temperature is controlled by the air conditioner 8 is blown into the vehicle from an inner outlet 3c formed at the downstream end of the temperature control passage 3C. In addition, the air conditioner 8 may be installed separately from the dehumidifying / humidifying device 1, and in that case, the inner outlet 3c may be provided at the junction of the first and second passages 3A and 3B.

The duct 2 near the junction of the first and second passages 3A and 3B is provided with an outside outlet 3d communicating with the outside of the vehicle, and first and second switching doors 11 and 12 are provided. I have. The first switching door 11 switches the first passage 3A exclusively to the outer outlet 3d and the temperature control passage 3C (inner outlet 3c) to communicate and shut off. The second switching door 12 switches the second passage 3B exclusively to the outside air outlet 3d and the temperature control passage 3C to communicate and shut off.

That is, the first switching door 11 is adapted to be turned to either position C or position D by a rotary actuator (not shown). The passage 3A is communicated with the outer outlet 3d, and is shut off from the temperature control passage 3C. When rotated to the position d, the first passage 3A is
And communicate with the temperature control passage 3C. On the other hand, the second switching door 12 is adapted to be turned to either the position E or F. When the second switching door 12 is turned to the position E, the second passage 3B is shut off from the outer outlet 3d. And at the same time, communicate with the temperature control passage 3C. When rotated to the position, the second passage 3B is
And shut off the temperature control passage 3C.

Moreover, the first and second switching doors 11 and 12
Are switched in conjunction with each other. When the first switching door 11 is switched to position C, the second switching door 12 is switched to position E, and the first switching door 11 is switched to position E.
Is switched to position d, the second switching door 12
Is switched to the position. Therefore, when one of the first and second passages 3A and 3B communicates with the outer outlet 3d, the other is connected to the temperature control passage 3C (the inner outlet 3C).
Connect to c).

When the inside of the vehicle is dehumidified by the dehumidifying / humidifying device 1 having the above structure, the first switching door 11 is turned to the position C and the second switching door 12 is turned to the position E. Of course, the blower fan 5, the dehumidification / humidification rotor 6, and the regeneration heater 7 are turned on. Then, the air flowing in the first passage 3 </ b> A is humidified by the dehumidifying rotor 6. The humidified air is discharged from the outside outlet 3d to the outside of the vehicle. On the other hand, the second passage 3
The air flowing in B is dehumidified by the dehumidification rotor 6.
The dehumidified and dried air reaches the temperature-regulated air 3C from the second passage 3B, is adjusted to a desired temperature there, and is then blown into the vehicle from the inner outlet 3c. Thereby, the interior of the vehicle is dehumidified.

When the interior of the vehicle is humidified, the first switching door 1
1 is turned to the position d, and the second switching door 12 is turned to the position. Then, the air in the air passage 3A humidified by the dehumidifying and humidifying rotor 6 is temperature-controlled by the air conditioner 8 and then blown into the vehicle from the inner outlet 3c. Thereby, the inside of the vehicle is humidified. On the other hand, the air in the air passage 3B that has been dehumidified by the dehumidifying and humidifying rotor 6 is blown out of the vehicle from the outside air outlet 3d.

As described above, in the dehumidifying / humidifying device 1, the blower fan 5 is disposed upstream of the first and second passages 3A and 3B, and the first and second passages 3A and 3B are switched between the first and second positions. Means 1
1 and 12, the outer outlet 3d and the inner outlet 3c are communicated with and shut off from each other, so that only one blower fan 5 and one regeneration heater 7 need be installed. Therefore, the number of parts can be reduced as compared with the conventional dehumidifying and humidifying apparatus, whereby the manufacturing cost can be reduced.

Next, another embodiment of the present invention shown in FIG. 2 will be described. Dehumidifying / humidifying device 1 'of this embodiment
In the above, the first and second passages 3A and 3B intersect on the downstream side of the dehumidifying / rotating rotor 6. A heat exchanger 13 is provided at this intersection. The air flowing through the first passage 3A by the heat exchanger 13 and the second passage 3
Heat is exchanged with the air flowing through B. That is, the first heater heated by the regeneration heater 7
While the air in the passage 3A is cooled by the air flowing in the second passage 3B, the air flowing in the second passage 3B is cooled by the first air.
Heated by the air flowing in the passage 3A. Therefore, when the air flowing through the second passage 3B is blown into the vehicle, the regeneration heat generated by the regeneration heater 7 can be recovered and used effectively for heating the interior of the vehicle. Dehumidifying / humidifying device 1 '
The other configuration is the same as that of the above embodiment, and the description thereof is omitted.

It should be noted that the present invention is not limited to the above-described embodiment, but can be appropriately modified. For example, in the above embodiment, the present invention is applied to a dehumidifying / humidifying device for a vehicle, but the present invention is also applicable to a dehumidifying / humidifying device for dehumidifying / humidifying a home or other indoors.

[0019]

As described above, according to the present invention, the number of components can be reduced as compared with the conventional dehumidifying and humidifying apparatus, and the production cost can be reduced. .

[Brief description of the drawings]

FIG. 1 is a sectional view showing a schematic configuration of an embodiment of the present invention.

FIG. 2 is a sectional view showing a schematic configuration of another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Dehumidifying / humidifying device 1 'Dehumidifying / humidifying device 3A 1st passage 3B 2nd passage 3c Inner outlet 3b Outer outlet 5 Ventilation fan (blowing means) 6 Dehumidifying rotor 7 Regeneration heater 11 1st switching door (1st switching means) 12 second switching door (second switching means) 13 heat exchanger

Continued on the front page (72) Inventor Satoshi Tagawa 39, Higashihara, Chiyo, Odai-gun, Osato-gun, Saitama F-term in Zexel Konan Plant (reference) 3L055 BA01 CA04 DA05

Claims (3)

[Claims] A first and a second passage; a blower for supplying air to the first and the second passage;
A dehumidifying and humidifying rotor that rotates with a part of the passage protruding, a regenerative heater provided in the first passage near the dehumidifying and humidifying rotor, and an outside air outlet communicating with the outside of the room; A dehumidifying and humidifying apparatus having an inner outlet communicating with a room, wherein the blower is disposed upstream of the regenerative heater, and between the first and second passages and the outer outlet and the inner outlet. Switching means for switching between a communication between the former two and the latter and a cutoff state is provided, and the switching means makes one of the former two communicate with one of the latter two and cuts off the other. A dehumidifying / humidifying device wherein the other of the two formers is cut off from one of the latter two and communicated with the other. 2. The first switching means for exclusively switching the first passage with respect to the outer and inner outlets to communicate with and shut off the first passage, and the outer and inner outlets with the second passage. The second is to switch exclusively to the mouth to communicate and shut off
Switching means, wherein when the first switching means communicates the first passage with the outer outlet and shuts off the inner outlet, the second switching means switches the second passage. Is shut off from the outer outlet and communicates with the inner outlet, and the first switching means shuts off the first passage from the outer outlet and communicates with the inner outlet. The dehumidifying / humidifying device, wherein when the second humidifier is in operation, the second switching means connects the second passage to the outer outlet and shuts off the inner outlet. 3. The first and second passages intersect at a downstream side of the dehumidifying and humidifying rotor, and the intersections exchange heat between air flowing through the first passage and air flowing through the second passage. The dehumidifying / humidifying apparatus according to claim 1 or 2, further comprising a heat exchanger.