JPH03165812A - Dehumidifier - Google Patents

Abstract

PURPOSE:To easily obtain the moisture adsorption by providing a means for detecting the moisture adsorption of a moisture adsorbent in the housing and further furnishing an indicating means. CONSTITUTION:A blower 4 is operated, and the air contg. moisture is sucked into the housing 3 from a suction port 1 and discharged from a discharge port 2. The moisture in the air passing through the housing 3 is adsorbed by the moisture adsorbent 5, and dried air is discharged from the discharge port 2. The moisture adsorption of the adsorbent 5 is detected by the detecting means 7, and the need for drying and regeneration is indicated by the indicating means 8. When the need for drying and regeneration is indicated by the means 8, the dehumidifier is brought out to the outside of a chamber, a heater 6 is energized, and the adsorbent 5 is dried and reused. Silica gel, etc., are used as the adsorbent 5. Consequently, the operability is improved.

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention is applicable to washrooms, kitchens. This relates to dehumidifiers used inside sinks, closets, chests of drawers, etc.

[Conventional technology]

Conventionally, dehumidifiers used in general households have been based on human pumps, but since they are used to dehumidify indoors, they are large and unsuitable for use in small spaces. There are also devices that use semiconductor-based electronic cooling elements, but these devices have the problem of being inconvenient to use because they require installation of a power cord and removal of a drain hose.

Therefore, disposable dehumidifiers are commercially available.

This dehumidifier uses a storage bag filled with a dehumidifier made of calcium chloride to absorb moisture, and the amount of water accumulated in the container can be seen from the outside.

[Problem to be solved by the invention]

However, disposable dehumidifiers have the drawback that they are expensive and difficult to visually confirm in dark, dark places such as closets.

There was also a dehumidifier that dripped water, but if the container was accidentally turned upside down, the water inside would spill out, so care had to be taken when handling it.

Therefore, an object of the present invention is to provide a dehumidifier that is small, easy to use, reusable, and allows the amount of moisture absorbed to be easily determined.

[Means to solve the problem]

The dehumidifier of the present invention includes a blower device for blowing air from the suction port to the discharge port, a hygroscopic agent that adsorbs moisture in the air sent from the suction port, and the hygroscopic agent inside a housing having a suction port and a discharge port. A drying heater is disposed, and a detection means for detecting the amount of moisture absorbed by the moisture absorbent is provided in the housing, and further a display means for displaying that dry regeneration of the moisture absorbent is necessary based on a detection output of the detection means. It is characterized by having the following.

[Effect]

According to the structure of the present invention, when the blower is operated, air containing moisture is drawn into the housing from the suction port and is discharged from the suction and discharge port. Moisture water passing through the housing is absorbed by the moisture absorbent, and dry air is discharged from the discharge port. The amount of moisture absorbed by the moisture absorbent is detected by the detection means, and the display means operated based on the output thereof displays that dry regeneration is necessary. When the display indicates dry regeneration, the dehumidifier is taken outside and the heater is energized to dry the moisture absorbent and make it reusable.

In this way, the amount of moisture absorbed by the desiccant agent is detected by the detection means, and the output indicates that drying and regeneration is necessary using the display means, so it is compact and easy to use, and can be reused regardless of the installation location. can be easily known.

In addition, the hygroscopic agent can be dried and regenerated by turning on the heater, making it easy to operate.

〔Example〕

A first embodiment of the present invention will be explained based on FIGS. 1 to 7. That is, this dehumidifier includes a housing 3 having an inlet 1 and an outlet 2, an air blower 4 that blows air from the inlet 1 to the outlet 2, and a moisture absorbent that adsorbs moisture in the air sent from the inlet 1. 5 and a heater 6 for drying the moisture absorbent 5.

The housing 3 is box-shaped, and a hanger 9 is provided at the center of the upper surface so that the housing 3 can be raised and lowered freely.
It is used as if it were hung. The suction port 1 is formed on the side surface, and the discharge port 2 is formed on the top surface.

The blower device 4 includes a propeller-shaped fan 10 and a motor 11 with the fan 10 attached to a shaft, and is disposed inside the suction port 1 . By operating the air blower 4, air containing moisture is sucked into the housing 3 from the suction port 1.

The moisture absorbent 5 uses silica gel as an example, and weighs 1 kg.
It absorbs about 400g of moisture. The diameter is 2-2. It is filled in a case l3 made of punched metal having ventilation holes l2 of about 5+n and a porosity of 50 to 60%. In this case 13, a cylindrical heat-resistant thin film 14 having a bellows as an example is attached to the upper end of the four sides, and the end of the heat-resistant thin film 14 is attached to the inside of the discharge port 2, so that the air sucked from the suction port 1 can be directly It is arranged so that it does not come out from the discharge port 2 but always passes through the inside of the case 13.

The heat sink 6 is a positive characteristic heater as an example, and is attached to the center of a rice-shaped heat dissipation plate 15 made of aluminum and arranged inside the case 13. Heat the heat sink 15 with the heater 6,
This is because the moisture absorbent 5 is dried by heat radiation from the heat sink 15.

The heater 6, the moisture absorbent 5, and the case 13 constitute a dehumidifying unit 16.

The driving of the blower device 4 and the heater 6 will be explained. The air blower 4 uses the storage battery 1 built into the housing 3 during dehumidification.
It operates by being powered by 7. Figure 7 is the wiring system diagram, where SWI and SW2 are switchboards, 18 is a charging circuit, and 1
9 is a control circuit, 20 is a bin connector, and 2l is a power cord having a plug. switch SW
When switch I is closed and switch SW2 is pushed to contact a side, charging becomes possible, and when switch SW2 is opened and switch SW2 is pushed to contact b side, dehumidification operation becomes possible. The power supply to the heater 6 and the charging of the storage battery 17 can be done by drying the moisture absorbent 5 near an outlet (not shown), unlike in a dehumidifying place. Insert the plug and supply power.

The control circuit 19 is arranged above the blower M4 of the housing 3. 22 is a printed circuit board thereof, 23 is a light emitting diode for operation indication, 24 is a light emitting diode for charging reminder/completion indication, 25 is a humidity sensor that controls the motor 11, and 26 is a vent hole for exposing moisture to the humidity sensor 25. , 35 is a transformer.

Further, this dehumidifier is provided with a detection stage 7 for detecting the amount of moisture absorbed by the moisture absorbent 5, and further provided with a display stage 8 that indicates that dry regeneration of the moisture absorbent 5 is necessary based on the detection output of the detection stage 7. ing.

The detection stage 7 includes a swinging hinge portion 27 that axially connects the center of one side of the case 13 of the dehumidifying unit 16 to a side surface inside the housing 3, and a bottom surface of the other side of the case 13 and the bottom surface of the housing 3. It consists of a support spring 28 interposed therebetween, and an actuating lever 30 that protrudes from the upper end side of the other side and has a feed dog 29 at its tip.

That is, when the moisture absorbent 5 absorbs moisture, the moisture absorbent 5 gradually absorbs moisture.
Since the weight of the case 13 increases and the overall weight of the case 13 increases, the amount of compression of the support spring 26 increases. Therefore, the operating lever 3
0 moves downward. On the other hand, if the moisture absorbent 5 is dried with the heat 6, the moisture absorbent 5 becomes lighter, so the operating lever 30 moves upward due to the restoring force of the support spring 28.

The display means 8 includes a shaft 31 supported within the housing 3;
It consists of a ratchet pawl 32 provided on the shaft 31 and engaged with the feed dog 29 of the operating lever 30, and an indicator 33 provided on the shaft 31, which is an example of a display drum, and has a scale display 36 and colors on its outer peripheral surface. A display 37 is attached and visible through a transparent window 34 formed in the housing 3.

In this way, the condition of the dehumidifier can be checked.

38 is a spring that biases the indicator 33 to rotate (FIG. 5).

In this embodiment, when the blower device 4 is activated, air containing moisture is drawn into the housing 3 from the suction port 1 and discharged from the discharge port 2, and the moisture passing through the housing 3 is absorbed by the moisture absorbent 5 and dried. Air is discharged from the discharge port 2,
The amount of moisture absorbed by the moisture absorbent 5 is detected by the detection means 7, and the display means 8 displays that dry regeneration is necessary. Then, when a display indicating dry regeneration is displayed on the display 8, the dehumidifier is taken outside and the heater 6 is energized to dry the moisture absorbent 5 and make it reusable.

In this way, the amount of moisture absorbed by the moisture absorbent 5 is detected by the detection stage 7,
Since the display means 8 indicates that dry regeneration is necessary based on the output, it is small, easy to use, and reusable, and the dry regeneration period can be easily known regardless of the installation location. In addition, the moisture absorbent 5 can be dried and regenerated by turning on the heater 6, resulting in good operability.

Further, the detection means 7 and the display 8 make it possible to display information including advanced detection and notification, making it easy to develop products and add functions.

A second embodiment of the invention is shown in FIGS. 8 and 9.

That is, this dehumidifier is provided with a needle indicator 40 in place of the actuating lever 30 of the detection means 7 of the first embodiment, and a color indicator is displayed on the side surface of the housing 3 opposite to the tip of the needle indicator 40 as a display 8. In addition to providing a scale section 41' with numerical display, a detection switch 41 using a microsinch is provided at the position of the indicator lever 40, which is located when the dehumidifying unit 16 has reached the weight of the drying regeneration period. The detection switch 41 is actuated by the descent of 40.

By the operation of the detection switch 41, a lighting display section 24', which is an LED provided on the operating surface of the housing 3, is turned on to remind and indicate the completion of drying regeneration.

The rest is the same as the first embodiment.

Note that the storage battery 17 is set to a battery capacity (approximately IW) that requires charging at the time when the lighting display section 24' is lit.

Further, a buzzer may be sounded by the operation of the detection switch 41.

A third embodiment of the invention is shown in FIGS. 10 to 13. That is, in this dehumidifier, the detection means 7 consists of a dew condensation sensor 43, and the display 8 consists of a lighting display section 24'. The dew condensation sensor 43 has a diameter of about 1 to 1.5 liters on the top and bottom surfaces. 5
The sensor case 45 is provided on a sensor board 46 inside a sensor case 45 made of heat-resistant resin and has a ventilation hole 44 having a size of approximately ing. This dew condensation sensor 43 exhibits a resistance value of 400Ω to IOOKΩ depending on the humidity, and its characteristics are as shown in FIG.

Further, the lighting display section 24' of the display means 8 is wired as shown in FIG. That is, Tr is a transistor,
R1 to R3 are resistances, and when the moisture absorbing ability of the moisture absorbent 5 decreases as the amount of moisture absorbed increases, the moisture that is not absorbed by the moisture absorbent 5 comes into contact with the humidity sensor 43 through the ventilation hole 44 of the sensor case 45, and due to its characteristics, the humidity increases. When it reaches about 90%, the resistance value increases. The base voltage of the transistor Tr is determined by the partial pressure of the resistance value of the resistor R3 and the humidity sensor 43, and as the resistance value of the humidity sensor 43 increases, the partial voltage increases, the Hass voltage rises, and the transistor Tr is turned on. As a result, the lighting display section 24' lights up to indicate that the moisture absorption amount of the moisture absorbent 5 is full. Note that the value of the resistor R3 is set so that the transistor Tr is turned on when the resistance value of the humidity sensor 43 reaches a value corresponding to 90%. 49.1l 50 is a lead wire.

In this embodiment, the dehumidifying unit 1 is used as the detection stage 7.
6 does not swing, the brim 4 is attached to the upper end of the dehumidifying unit 16.
7 and a collar 47 formed on the inner surface of the housing 3.
(not shown) and is positioned and fixed to the housing 3.

The rest is the same as the first embodiment and the second embodiment.

Incidentally, the display 8 may include a sounding means such as a buzzer together with or in place of the lighting display section 24'.

A fourth embodiment of the invention is shown in FIGS. 14 and 15. That is, this dehumidifier uses a small high-metal hygrometer 50 as the detection means 7 and the display means 8, and a humidity sensing part 51 is provided at one end of the ventilation pipe 52, and the end face and A ventilation hole 53 having a diameter of approximately 1.5 to 2+n, which is slightly smaller than the particle size of the moisture absorbent 5, is formed in the lower half of the circumferential surface within a range of P # 20 mm from the end surface, and a switching hole 54 is provided in the middle part. It is set up. The moisture sensing part 51 is made of phosphor bronze and a thinly wound ribbon metal 55 whose surface is coated with a moisture sensitive film, one end of which is fixed to the indicator shaft 61 and the other end of which is fixed to the metal holder 6o of the ventilation pipe 52. It is fixed to the indicator shaft 61 and wound around the indicator shaft 61, and the indicator shaft 6l is wound around the indicator shaft 61 in response to the atmospheric condition.
By rotating , the needle 57 is indicated on the scale plate 5G. The switching cock 54 is provided with a valve 58 inside.
The ventilation pipe 52 can be switched between passing and blocking air supply by changing the angle of the switching cock 54. This hygrometer 50
exposes the moisture sensing part 51 on the side surface of the housing 3, and
3 penetrates into the dehumidifying unit 16, and a knob 62 of the switching valve 54 is exposed on the upper surface of the housing 3. Reference numeral 59 is a display section for indicating the switching position of the switching valve 54. Then, when the valve 58 is opened with the switching valve 54, the humidity situation inside the dehumidifying unit 16 can be known, and the valve 58 can be checked.
By closing the , you can check the humidity situation in the area where the dehumidifier is installed.

The rest is the same as the first embodiment and the third embodiment.

As mentioned above, various embodiments have been shown, and all of them are compact and highly accurate dehumidifiers that can be manufactured at low cost and that use an electric type, that is, a dew condensation sensor and detection switch, and a mechanical type, that is, an indicator and a hygrometer. You can expect it.

〔Effect of the invention〕

According to the dehumidifier of the present invention, the amount of moisture absorbed by the desiccant agent is detected by the detection means, and based on the output, the display means indicates that dry regeneration is necessary. Regardless of the situation, the dry regeneration period can be easily determined.

In addition, the moisture absorbent can be dried and regenerated by turning on the heater, resulting in good operability.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the housing of the first embodiment of the present invention shown in imaginary lines, FIG. 2 is a perspective view of the display means, FIG. 3 is an external perspective view, FIG. 4 is a sectional view, and FIG. Figure 6 is a partially cutaway view showing the discharge port, Figure 6 is a front view showing the suction port, Figure 7 is a wiring system diagram, Figure 8 is a perspective view of the second embodiment, and Figure 9 is its Partial sectional view showing detection means and display means, No. 10
The figure is a perspective view of the third embodiment, FIG. 11 is a partial perspective view showing the detection means, FIG. 12 is a detection circuit diagram of the dew condensation sensor, and FIG.
Figure 3 is the humidity-resistance characteristic diagram of the dew condensation sensor, and Figure 14 is the 4th diagram.
FIG. 15 is a perspective view of the embodiment, and FIG. 15 is a cutaway sectional view of the hygrometer. DESCRIPTION OF SYMBOLS 1... Suction port, 2... Discharge port, 3... Housing, 4... Air blower, 5... Moisture absorbent, 6... Heater, 7... Detection module, 8... ... Display means l5 /2 1 ... Suction port 12 Figure 2 Procedure amendment (voluntary) 1. 11 Beef Stuffing 6R Flat Bottom 1 Year Patent Application No. 306812 2. Name of invention Dehumidifier 3. Person making the amendment Relationship with the case 5. Date of amendment order Voluntary amendment 6. Number of claims increased by amendment 8. Contents of amendment No. 14 Figure N (k2 no) χ no I Vimu

Claims (1)

[Claims] A blower device that blows air from the suction port to the discharge port, a moisture absorbent that adsorbs moisture in the air sent from the suction port, and a heater that dries the moisture absorbent are disposed inside a housing that has a suction port and a discharge port. Further, the housing is provided with a detection means for detecting the amount of moisture absorbed by the moisture absorbent, and further provided with a display means for displaying that dry regeneration of the moisture absorbent is necessary based on the detection output of the detection means. dehumidifier.