JP2000157831A - Dehumidifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent deformation by heat of main parts and resin made parts even though breakdown and an abnormal state are generated, and operation is smoothly carried out even when the state is returned to an original state by a method wherein in the case where a regenerating air temperature of a regenerating route becomes abnormally high owing to an obstacle of a regenerating fan or the like, a means for stopping a flow of the air of the regenerating route is provided. SOLUTION: In the case where a dehumidifying rotor 3 is not rotated owing to breakdown of a drive motor of the rotor 3 or the like in dehumidifying operation or the like, a regenerating air temperature of a regenerating route becomes abnormally high. Then, an overheat preventive thermister fitted to a regenerating box being near a regenerating part of the dehumidifying rotor 3 detects a high temperature regenerating air and stops dehumidifying operation. Then, when the dehumidifying operation is stopped, only a dehumidifying fan 16 is rotated, a regenerating heater 34 of a regenerating route comes to be of an OFF state, and a regenerating fan 3 and the dehumidifying rotor 3 are also stopped. Thereby, the high temperature regenerating air of the regenerating route comes not to flow to the dehumidifying rotor 3 side, and a frame of the dehumidifying rotor 3 and resin made parts of a peripheral part are prevented from being deformed owing to heat.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dehumidifier provided with a rotary dehumidifier and the like.

[0002]

2. Description of the Related Art A conventional dehumidifier, for example, a dehumidifier provided with a rotary dehumidifier is constructed as shown in FIGS. 12 and 13. In FIGS. 12 and 13, reference numeral 3 denotes a humidity exchanger ( The humidity exchanger 3 is rotatably driven by a drive mechanism (not shown) including a drive motor and the like.

The dehumidified air 32 is blown into the moisture absorbing portion 31 of the dehumidifying rotor 3 to adsorb the moisture to the desiccant to form dehumidified and dried air 33. On the other hand, the moisture of the dehumidifying rotor 3 is regenerated to the adsorbed moisture. The regeneration air 35 heated by the heater 34 and heated to a high temperature is sent in, the moisture absorbent is heated to remove moisture, the moisture absorbent is regenerated, and the warm and wet regeneration air 36 can be taken out.

[0004] A moisture absorbing section 31 for adsorbing moisture to the moisture absorbing agent.
The regenerating unit 37 for heating and discharging the moisture by absorbing the moisture and discharging the moisture is heated by the dehumidified air 32 and the regenerative heater 34 that are moistened by the rotating dehumidifying rotor 3 to become high temperature. The position at which the regenerating air 35 is blown is only the regenerating unit 37, and there is no particular partition in the dehumidifying rotor 3, and the dehumidifying rotor 3 can be used repeatedly and continuously.

[0005] In order to regenerate the moisture absorbent of the dehumidifying rotor 3 which has absorbed moisture, the regeneration air is heated to 200 to 250 ° C by a regeneration heater 34 which is an electric heater, and then blown to the dehumidification rotor 3 by a regeneration fan 8. The heated regenerated air 35 receives moisture from the desiccant of the dehumidifying rotor 3 and turns into warm and moist air 36, which is cooled by the condenser 4 to condense and discharge the moisture. The dew water 9 is guided to a water receiving tank 10.

[0006] The water storage tank 12 for storing the dew condensation water in the water receiving tank 10 is stored by opening a lid (not shown), and when the lid is closed, the switch of the drive circuit of the water pump 11 is turned on.
Then, when a float switch (not shown) for detecting the water level provided in the water receiving tank 10 detects a predetermined water level in the water receiving tank 10, the water pump 11 provided in the water receiving tank 10 is operated, The dew condensation water 9 is stored in the water storage tank 12 through a water supply pipe (not shown) provided along with the lid via a water supply pipe 13 and an open / close valve (not shown) of the water storage tank 12.

Further, a certain amount of heat is required to increase the dehumidifying capacity, and the regeneration heater 34 as a heat source is
Since the regeneration air temperature is mainly heated using an electric heater, when the regeneration fan 8 or the drive motor of the dehumidifying rotor 3 stops rotating, the regeneration air temperature in the regeneration path becomes abnormally high. In addition, there is a safety device that prevents the temperature of each part from rising with an overheat prevention thermistor or the like. When the temperature rises, the safety device operates to stop the dehumidifying operation.

[0008]

With the conventional dehumidifier configured as described above, during the dehumidification operation, the regeneration fan motor or the drive motor of the dehumidification rotor may fail due to some failure.
When the rotation stops, the regeneration air temperature in the regeneration path becomes abnormally high, and safety devices such as overheat prevention thermistors and temperature fuses operate to stop the dehumidification operation. Also, since the dehumidifying fan in the dehumidifying path is rotating, even if the dehumidifying operation is stopped, since the regenerated air temperature after the regenerative heater in the regenerating path is high, this high regenerated air temperature is The resin parts such as the frame and the partition plate of the dehumidifying rotor of the peripheral parts before and after the reproducing part of the dehumidifying rotor may be deformed by the heat of the high regenerating air temperature.

In view of the above, the present invention provides a dehumidifier that eliminates deformation of main parts and resin parts due to heat even if a failure or abnormal state occurs, and can operate without trouble even when returning. It is.

[0010]

According to a first aspect of the present invention, there is provided a dehumidifier having a humidifier and a condenser inside a main body, and the dehumidifier flows outside the condenser. A passage, a moisture absorbing section of the moisture absorber, and a blower fan constitute a moisture absorbing path, and a regeneration heater, a regeneration section of the moisture absorber, and a regeneration fan;
In a dehumidifier having a regeneration path with a passage flowing inside the condenser, a means for stopping the flow of air in the regeneration path when the regeneration air temperature in the regeneration path becomes abnormally high due to a failure of the regeneration fan or the like. It is characterized by becoming.

Further, the invention according to claim 2 is characterized in that, in the invention according to claim 1, the means for stopping the flow of air in the regeneration path is means for stopping the blowing means.

[0012] The third aspect of the present invention provides the first aspect.
Alternatively, in the invention according to claim 2, when the means for stopping the flow of air in the regeneration path is operated, only the blower fan in the moisture absorption path is rotated.

Further, the invention according to claim 4 is the invention according to claim 1.
The invention according to any one of claims 3 to 3, wherein the means for stopping the flow of air in the regeneration path is means for stopping the regeneration heater and the regeneration fan.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the dehumidifier according to the present invention will be described with reference to the drawings, and those having the same or equivalent functions as those of the above-mentioned conventional example will be denoted by the same reference numerals unless otherwise specified. The description will be made with reference to FIG.

FIG. 1 is an explanatory diagram of the overall configuration of a dehumidifier according to an embodiment of the present invention, FIG. 2 is a side view of a main configuration of the dehumidifier according to the embodiment of the present invention, and FIG. FIG. 4 is a front view of a main configuration of the dehumidifier according to the embodiment, FIG. 4 is a configuration diagram of a dehumidifier rotor of the dehumidifier according to the embodiment of the present invention, and FIG.
FIG. 6 is a cross-sectional view taken along line AA of the dehumidifying rotor, and FIG. 6 is a perspective view showing a configuration around a regeneration heating unit structure of the dehumidifying apparatus according to the embodiment of the present invention.

FIG. 7 is a perspective view showing a configuration around a regeneration unit of the dehumidifier according to the embodiment of the present invention, FIG. 8 is a configuration diagram of a regeneration heating unit of the dehumidifier according to the embodiment of the present invention, and FIG. Control sequence of the dehumidifier according to the embodiment of the present invention, FIG. 10 is a drive circuit diagram of a water pump of the dehumidifier according to the embodiment of the present invention,
FIG. 11 is an explanatory diagram of a drive pulse of the water pump of the dehumidifier according to the embodiment of the present invention.

As shown in FIGS. 4 and 5, the dehumidifying rotor 3 includes an element 40, a rotor frame 41, and a frame presser 4.
2 and a rotary shaft holder 43, and the element 40 of the dehumidifying rotor 3 is made by impregnating a belt-like sheet-like base material such as corrugated cardboard with a solvent in which zeolite (hygroscopic agent) is dissolved, and supporting the same. A single wave formed by bonding a corrugated sheet, which is made of a band-shaped flat sheet having a base material impregnated with a hygroscopic agent such as zeolite and corrugated to a height of about 1 mm to 1.5 mm, and integrated with the surface of the band-shaped flat sheet The molded body is wound and made into a rotor.

As shown in FIG. 5, the rotor frame 41 is connected to the rotating shaft 44, the outer frame 45, and a surface formed with a lattice-shaped hole connecting both of them. Is formed with a V-shaped groove on which a belt for transmitting the rotational force of the drive motor 18 of the dehumidifying rotor 3 is applied.

The dehumidifying rotor 3 is provided with a rotor frame 4
The element 40 is fitted into the concave portion of
Then, the rotary shaft holder 43 is fixed to the outer frame 45 and the frame holder 42 is fixed to the outer frame 45 with screws.

The regeneration fan 8 draws in regeneration air from the heat recovery heat exchanger 5 as shown in FIGS. 1 to 8 and passes through a regeneration fan air duct structure 23 composed of a stainless steel sheet case 6 and a regeneration heater 34. This is to blow heated regeneration air 35 to the regeneration section 37 of the dehumidifying rotor 3.

As shown in FIG. 8, the regeneration air sent into the opening 21 on the side of the case 6 of the regeneration fan ventilation duct structure 23 is diverted into two directions indicated by arrows B and C. The B side passes through the punching hole of the heat shield plate 22 and
After passing through the punching holes of the heat shield plate 22, the sides are heated by the regenerative heater 34 and blown to the regenerating unit 37 of the dehumidifying rotor 3 respectively. The regenerative heater 34 is composed of a 200 W heater and a 300 W heater.
The wattage is switched between 00 W and 500 W according to the dehumidifying capacity.

The condenser 4 and the heat recovery heat exchanger 5 are both blow-molded products made of a translucent polypropylene resin and are translucent. The appearance of condensation of the regeneration air can be visually confirmed from the outside.

Next, the structure of the dehumidifier will be described with reference to FIGS.

Each of the components is a dehumidifying rotor 3 carrying a desiccant, a mounting portion for a regenerating fan 8 for sending regenerated air 35 to the dehumidifying rotor 3, a regenerating heater 34, and a case 6 made of a stainless steel plate of the regenerative fan air duct structure 1. The drive motor 18 for rotating the dehumidification rotor 3, the dehumidification fan 16, the water storage tank 12, and the tank guide, which serves as a guide when the water storage tank is attached / detached, are mostly constituted by resin molded products. Although the heat recovery heat exchanger 5 and the like are usually made of metal, they are made of a resin molded product to reduce the weight of the product.

As shown in FIG. 2, a partition plate 14 is erected on the bottom plate 13 to form the basis of the product structure, and functional components are disposed in front, rear, and upper portions of the partition plate 14, respectively. It is a compact and dehumidifier.

The dehumidifying rotor 3 is sandwiched between the partition plate 14 and the regenerating box 17 from both sides, and the dehumidifying rotor 3 is pivotally supported on a central axis of the partition plate 14.
A drive motor 18 for rotating the motor is mounted on the reproduction box 17, and a gear is provided on the outer periphery of the dehumidifying rotor 3.
A belt is put on this gear, and the dehumidifying rotor rotates slowly with the power from the rotating shaft reduced by the gear of the drive motor 18.

Then, as shown in FIG.
In addition, a dehumidifying rotor 3, a heat recovery heat exchanger 5, a regeneration fan 8 and a regeneration heater 34 are incorporated therein, and a case 6
Are shown in a perspective view from the rear side of the main body in a state in which the reproduction fan ventilation duct structure 23 provided with the above is fixed.

The regenerated air 36 that has passed through the regenerating section 37 of the dehumidifying rotor 3 is supplied to the regenerating box 17 as a funnel.
It is collected at a location and sent to the regeneration air intake of the condenser 4. The condenser 4 is fixed to the regeneration box 17 in front of the dehumidifying rotor 3, and a removable filter 7 is provided in front of the condenser 4. A front plate 24 is provided as an external portion of the front surface of the product having a grill 26. The front plate 24 is sandwiched by a rear plate 27 with a bottom plate 25 interposed therebetween.
It is fixed to.

A motor 47 of the dehumidifying fan 15 is fixed to the blower partition plate 46, and a sirocco fan 48 is mounted on the motor shaft. And the blower partition plate 4
Reference numeral 6 denotes a part of the fan casing of the sirocco fan 48 of the dehumidifying fan 15, which is fitted with a part of the fan casing of the sirocco fan 48 (the dehumidifying fan 15) formed on the rear plate 27 to be fitted. This constitutes 48 fan casings.

Then, the air to be dehumidified by the dehumidifying fan 16 sucks the air 32 to be dehumidified from the room, removes coarse dust with the filter 7 of the grill 16, cools the condenser 4, and condenses the warm and humid regenerated air 36. In addition, moisture is taken out as dew water 9, and the moisture of the air 32 to be dehumidified is absorbed by the desiccant in the dehumidifying section 31 of the dehumidifying rotor 3 so that the dry air 33 is removed.
Then, the heat warmed by the dehumidifying rotor 3 is recovered into the regenerated air by the heat recovery heat exchanger 5, and the dry air 33 is blown into the room through the outlet 30 at the upper part of the rear plate 27.

The dehumidifying rotor 3 is rotated by a drive motor 23, and a dehumidifying section 31 through which air to be dehumidified 32 passes.
The regenerating unit 37 through which the hot air 35 passes gradually rotates and is regenerated even if it absorbs moisture, and can be used continuously. In addition, in order to regenerate the moisture absorbent of the dehumidifying rotor 3 that has absorbed moisture, the regeneration air 35 is heated to 200 ° C. to 250 ° C. by the regeneration heater 34 which is an electric heater, and then blown to the dehumidification rotor 3 by the regeneration fan 8. .

The heated regenerated air 35 receives moisture from the desiccant of the dehumidifying rotor 3 and turns into warm and moist air 36, which is cooled by the condenser 4 to condense the water and discharge it to form dew water 9 Is led to the water receiving tank 10. Further, the water receiving tank 10 is provided with a float switch (not shown) for detecting a water level, and when a predetermined water level is detected, the provided water pump 11 is operated to operate the water pump 1
After 8, the dew water 9 is stored in the water storage tank 12.

The pump 11 turns on / off the first transistor 38 in response to an output pulse signal from the microcomputer 28, as shown in FIGS.
The second transistor 39 is turned ON / OF by performing FF.
F to operate the drive circuit and operate the water pump 11 to draw up 10 water in the water receiving tank and
Accumulate in

At this time, the pulse applied to drive the water pump 11 at the beginning of the operation is changed from a pulse width of 10.24 msec during normal dehumidifying operation to 15.0 msec.
By operating the water pump 11 for one second without changing the cycle of 149.5 msec, and thereafter operating the pulse width of the normal dehumidifying operation, the movement of the sliding portion of the water pump 11 becomes smooth, and fine dust Are also discharged.

Therefore, by increasing the pulse width at the initial stage of operation in the drive circuit of the water pump for sending water to the water storage tank, it is possible to eliminate the sticking of the sliding portion and the accumulation of dust.
For this reason, for example, when stored without being operated for a long period of time, it is possible to prevent a possibility that the movement of the sliding portion of the water pump temporarily stops.

In the dehumidifying operation, the regeneration fan 8
When the dehumidifying rotor 3 does not rotate due to failure of the drive motor 18 of the dehumidifying rotor 3 or the like, the temperature of the regenerating air in the regenerating path becomes abnormally high, and the regenerating box in the vicinity of the regenerating part of the dehumidifying rotor 3 The overheat prevention thermistor 29 mounted on the sensor 17 detects the high-temperature regenerated air and stops the dehumidifying operation.

When the dehumidifying operation is stopped,
As shown in FIG. 9, only the dehumidifying fan 16 in the moisture absorption path rotates, the regeneration heater 34 in the regeneration path is turned off, and the regeneration fan 8 and the dehumidification rotor 3 are also stopped. Since it does not flow to the rotor 3 side, it is possible to prevent deformation of the resin-made parts around the frame and peripheral parts of the dehumidifying rotor 3 due to heat.

The present invention is not limited to the above embodiment.

[0039]

The dehumidifier according to the present invention has a moisture absorber and a condenser inside the main body, and a moisture absorption path is constituted by a passage flowing outside the condenser, a moisture absorption part of the moisture absorber, and a blower fan. When the regeneration fan or the dehumidification rotor fails and stops in a dehumidifier provided with a regeneration path including a regeneration heater, a regeneration section of a moisture absorber, a regeneration fan, and a passage flowing inside the condenser. Then, the regeneration air temperature in the regeneration path becomes abnormally high, the dehumidification operation is stopped by detecting the high regeneration air temperature, the regeneration heater in the regeneration path is turned off, and the regeneration fan and the dehumidification rotor of the blowing means are stopped. By stopping the flow of the regeneration air and turning only the blower fan in the moisture absorption path to a control method, high-temperature regeneration air is not sent to the regeneration section of the dehumidification rotor. Divider Deformation by which the resin component of the heat can be prevented.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of an overall configuration of a dehumidifier according to an embodiment of the present invention.

FIG. 2 is a side view of a main configuration of the dehumidifier according to the embodiment of the present invention.

FIG. 3 is a front view of a main configuration of the dehumidifier according to the embodiment of the present invention.

FIG. 4 is a configuration diagram of a dehumidifying rotor of the dehumidifier according to the embodiment of the present invention.

FIG. 5 is a cross-sectional view taken along line AA of the dehumidifying rotor of FIG. 4;

FIG. 6 is a perspective view showing a configuration around a regeneration heating unit structure of the dehumidifier according to the embodiment of the present invention.

FIG. 7 is a perspective view showing a configuration around a regeneration unit of the dehumidifier according to the embodiment of the present invention.

FIG. 8 is a configuration diagram of a regeneration heating unit of the dehumidifier according to the embodiment of the present invention.

FIG. 9 is an explanatory diagram of a control sequence of the dehumidifier according to the embodiment of the present invention.

FIG. 10 is a drive circuit diagram of a water pump of the dehumidifier according to the embodiment of the present invention.

FIG. 11 is an explanatory diagram of a drive pulse of a water pump of the dehumidifier according to the embodiment of the present invention.

FIG. 12 is an explanatory diagram of a rotary air dehumidification / humidification system using a conventional dehumidification rotor.

FIG. 13 is an explanatory diagram of the entire configuration of a conventional dehumidifier.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Cover 3 Dehumidification rotor 4 Condenser 5 Heat recovery heat exchanger 6 Case 7 Filter 8 Regeneration fan 9 Condensed water 10 Water receiving tank 11 Pumping pump 12 Water storage tank 13 Pumping pipe 14 Partition plate 15 Water supply port 16 Dehumidification fan 17 Regeneration Box 18 Drive motor 21 Opening 22 Heat shield plate 23 Regeneration fan air duct structure 24 Front plate 25 Bottom plate 26 Grill 27 Rear plate 28 Microcomputer 29 Overheat prevention thermistor 30 Blow outlet 31 Moisture absorbing part 32 Dehumidified air 33 Dry air 34 Regeneration heater 35 High-temperature regeneration air 36 Wet regeneration air 37 Regeneration unit 38 First transistor 39 Second transistor

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4D052 AA08 CB01 DA06 DB01 DB03 FA01 FA04 GA01 GA03 GB00 GB02 GB03 GB08 GB11 HA03 HA35 HB02 HB06

Claims (4)

[Claims] 1. A regenerative heater, comprising a regenerative heater, a regenerative heater, a regenerative heater, a regenerative heater, a regenerative heater, a regenerative heater, a regenerative heater, and a condenser. In the dehumidifier equipped with a regeneration path with a regeneration section, a regeneration fan, and a passage flowing inside the condenser, when the regeneration air temperature of the regeneration path becomes abnormally high due to a failure of the regeneration fan, etc.
A dehumidifier comprising means for stopping a flow of air in a regeneration path. 2. The dehumidifier according to claim 1, wherein the means for stopping the flow of air in the regeneration path is means for stopping a blower. 3. The dehumidifier according to claim 1, wherein only the blower fan in the moisture absorption path is rotated when the means for stopping the flow of air in the regeneration path is operated. 4. The dehumidifier according to claim 1, wherein the means for stopping the flow of air in the regeneration path is means for stopping a regeneration heater and a regeneration fan.