CN101680667B

CN101680667B - Dehumidifier

Info

Publication number: CN101680667B
Application number: CN2008800176251A
Authority: CN
Inventors: 长尾光久; 山下哲也
Original assignee: Daikin Industries Ltd
Current assignee: Daikin Industries Ltd
Priority date: 2007-05-28
Filing date: 2008-05-27
Publication date: 2012-02-22
Anticipated expiration: 2028-05-27
Also published as: JP2008292124A; JP4396730B2; WO2008146802A1; CN101680667A; TW200914778A

Abstract

A small-sized dehumidifier having a humidifying function. The dehumidifier (1) has a fan (2), a heater (32), an adsorption element (31), a second fan (33), and a heat exchange section (35). The adsorption element (31) has a disc shape outline and adsorbs moisture in air flowing by action of the fan (2). The second fan (33) applies high temperature air produced by the heater (32) to a part of the adsorption element (31) to make the element release the moisture. The heat exchange section (35) is installed in an outer peripheral space located radially outside the adsorption element (31) and condenses moisture contained in the high temperature air having passed through the adsorption element (31). Because the heat exchange section (35) is installed in the outer peripheral space outside the adsorption element (31), an increase in the dimension of the device in the direction of air flow is minimized and, in addition, the heat exchange section (35) has sufficient effective area.

Description

Dehumidifier

Technical field

The present invention relates to dehumidifier, particularly have the dehumidifier of humidification function.

Background technology

In recent years, the dehumidifier that has humidification function is widely popularized.As representational dehumidifier, can enumerate the dehumidifier (for example with reference to patent documentation 1) that utilizes the steam compression type freeze cycle, the dehumidifier (for example with reference to patent documentation 2) that utilizes absorptive element.

The dehumidifier that patent documentation 1 is put down in writing is in when running dehumidifying, utilizes evaporimeter to make airborne moisture dewfall and dehumidifies, and when humidification turn round, heats water and the humidification of hopper.In addition, the dehumidifier that patent documentation 2 is put down in writing is the discoideus absorptive element with rotation, when the dehumidifying running; Make the moisture in this absorptive element absorbed air and dehumidify; When humidification turns round, make this absorptive element of warm braw contact, thereby make this absorptive element emit moisture and carry out humidification.

[patent documentation 1] japanese kokai publication hei 6-307677 communique

[patent documentation 2] japanese kokai publication hei 11-241838 communique

Yet the air flow circuit when air flow circuit the when dehumidifier that patent documentation 1 and patent documentation 2 are put down in writing must be provided with dehumidifying respectively specially and humidification is so the complex structure of dehumidifier and volume are big.

Summary of the invention

The object of the present invention is to provide small-sized dehumidifier with humidification function.

Dehumidifier according to a first aspect of the invention comprises: pressure fan, heater, absorptive element, the 2nd pressure fan, heat exchange department, drive division and selection portion.Pressure fan sucks air, and forms air flow circuit.The absorptive element profile is discoideus and from the air adsorption moisture of the pressure fan of flowing through.Thereby the 2nd pressure fan makes the part of the high temperature air contact absorptive element that temperature rises via heater that moisture is discharged from absorptive element.Heat exchange department is provided with a plurality of slotted holes, and is disposed at the peripheral space of the radial outside of absorptive element, and under the operation of the 2nd pressure fan, high temperature air is captured heat through the air of slotted hole from hot and humid air in the internal flow of heat exchange department.Drive division makes the absorptive element rotation, and selection portion selects the operation of drive division and stops.Heater covers the end face top of absorptive element.The 2nd blower setting is at the upper position of contiguous absorptive element, and is more outstanding to the flow direction of the air of the pressure fan of flowing through than the end face of absorptive element.Heat exchange department is put along the outside winding of the radial outside of absorptive element.The humidifying unit that the air of the pressure fan of flowing through is applied moisture is configured in like upper/lower positions below the 2nd pressure fan, and this position is with respect to the mobile downstream that are positioned at heat exchange department of air.

In this dehumidifier, heat exchange department is disposed at the peripheral space of absorptive element, and the size that therefore can suppress the flow direction of air increases, and guarantees the effective area of heat exchange department.

In addition, in this dehumidifier,,, stop to interrupt dehumidifying through selecting drive division so can continue dehumidifying through selecting drive division work because absorptive element is changed the zone that contacts with high temperature air through rotation.When interrupting dehumidifying, can the heat exchange department that rise because of the high temperature air temperature be carried out the small-scale heating as thermal source.Therefore, can select dehumidifying and heating on a small scale.

In addition, in this dehumidifier, the following side space of the 2nd pressure fan through do not use the area configurations humidifying unit at this, can suppress the maximization of dehumidifier for not using the zone.

In addition, in this dehumidifier, because with respect to air stream, the position of humidifying unit is positioned at the downstream of heat exchange department, so the rotation through stopping absorptive element, make the work of humidification element, humidification can heat.

Dehumidifier according to a second aspect of the invention is the dehumidifier according to first aspect present invention, and the 2nd pressure fan is avoided near the below of heater and disposed.

In this dehumidifier, because the not temperature rising because of heater of the 2nd pressure fan, so be safe.

[effect of invention]

In dehumidifier according to a first aspect of the invention, heat exchange department is disposed at the peripheral space of absorptive element, increases so can suppress the size of the flow direction of air, and guarantees the effective area of heat exchange department.

In addition, in dehumidifier according to a first aspect of the invention, absorptive element can be changed the zone that contacts with high temperature air through rotation, thus can continue dehumidifying through selecting drive division work, and through selecting drive division to stop to interrupt dehumidifying.When interrupting dehumidifying, can the heat exchange department that rise because of the high temperature air temperature be carried out the small-scale heating as thermal source.Therefore, can select dehumidifying and heating on a small scale.

In addition, in dehumidifier according to a first aspect of the invention, the following side space of the 2nd pressure fan through do not use the area configurations humidifying unit at this, can suppress the maximization of dehumidifier for not using the zone.

In addition, in dehumidifier according to a first aspect of the invention, because with respect to air stream, the position of humidifying unit is positioned at the downstream of heat exchange department, so stop to make humidifying unit work through the rotation that makes absorptive element, the humidification that can heat running.

In dehumidifier according to a second aspect of the invention, owing to be not through heater the 2nd pressure fan temperature to be risen, so quite safe.

Description of drawings

Fig. 1 is the stereogram according to the dehumidifier of an embodiment of the invention;

Fig. 2 is the stereogram of Dehumidifying element and humidifying unit;

Fig. 3 is the stereogram of Dehumidifying element;

Fig. 4 is the front view that Dehumidifying element is looked from the heater side;

Fig. 5 is the stereogram of humidifying unit;

Fig. 6 is the stereogram of the humidifying unit of looking from the downstream of the air of Fig. 5 stream;

Fig. 7 is the exploded perspective view of water wheels; With

Fig. 8 is the stereogram of the state combined of Dehumidifying element and humidifying unit.

[description of reference numerals]

1 dehumidifier

2 pressure fans

4 humidifying unit

31 absorptive elements

32 heaters

33 the 2nd pressure fans

34 ajutages

35 heat exchange departments

36 CD-ROM drive motors (drive division)

37 selection portions (selector button)

The specific embodiment

Following with reference to description of drawings embodiment of the present invention.In addition, following embodiment is a specific embodiment of the present invention, does not limit technical scope of the present invention.

< formation of dehumidifier >

Dehumidifier according to an embodiment of the invention has dehumidification function, humidification function and air-cleaning function, and when dehumidifying running, it is as dehumidifier work; When carrying out the humidification running; It is as humidifier work, and when carrying out the air cleaning running, it is as air cleaner work.In addition, in this embodiment, not only simple function can be carried out, and a plurality of functions can be made up and execution simultaneously.For example, can be air-cleaning function and dehumidification function combination, can be the combination of air-cleaning function and humidification function and can be the combination of dehumidification function and humidification function.

Fig. 1 is the stereogram according to the dehumidifier of an embodiment of the invention.In Fig. 1, dehumidifier 1 has been taken in pressure fan 2, Dehumidifying element 3, humidifying unit 4, air cleaning portion 5 and control part 6 in body 10.In this embodiment, (face relative with indoor ground) is provided with Caster (caster) (not shown) below body 10, so that the user can easily move dehumidifier 1.

Pressure fan 2 is with respect to body 10, is positioned at a side opposite with air cleaning portion 5.When air cleaning portion 5 looks sideways, arranging air cleaning portion 5, Dehumidifying element 3, humidifying unit 4, pressure fan 2 in regular turn.

During pressure fan 2 work, form from air cleaning portion 5 sides suck air, air flow circuit A through Dehumidifying element 3 after, through humidifying unit 4, arrival pressure fan 2.Control part 6 is disposed at the top of body 10, discriminably control air purification portion 5, Dehumidifying element 3, humidifying unit 4 and pressure fan 2.

Fig. 2 is the stereogram of Dehumidifying element and humidifying unit.In Fig. 2, what be positioned at the front side is Dehumidifying element 3, and what be positioned at rear side is humidifying unit 4.In Fig. 1, Fig. 2, though stretch out from humidifying unit 4 as water container 40, gasification element 41 and the water wheels 42 of the component parts of humidifying unit 4, under normal condition, they are configured in the assigned address of humidifying unit 4.

< Dehumidifying element >

Fig. 3 is the stereogram of Dehumidifying element.In Fig. 3, Dehumidifying element 3 has absorptive element 31, heater the 32, the 2nd pressure fan 33, ajutage 34 and heat exchange department 35.Absorptive element 31 is honeycomb molded bodies, and its material that is mixed by zeolite powder, adhesive and swelling agent forms the discoideus of porous.Adhesive for example is selected from the thermoplastic resin such as MODIFIED PP E, polypropylene, polystyrene, ABS resin.Swelling agent expands when alveolate texture is body formed and forms countless bubbles.Therefore, 31 pairs of moisture of absorptive element have high adsorption.

Heater 32 is configured in the relative position, side with the downstream of absorptive element 31 in air flow circuit A, and about 1/6th fan-shaped installing component of the side through can covering absorptive element 31 is mounted.

The 2nd pressure fan 33 is installed into from the top read fortune of absorptive element 31 outstanding to the downstream of absorptive element 31 for air flow circuit A.Heater 32 is communicated with so that air can circulate by the 1st ajutage 34a with the 2nd pressure fan 33.The 1st ajutage 34a arrival heater 32 is crossed in circulation of air by 33 runnings of the 2nd pressure fan are produced, and is become high temperature air by heater 32 heating.

Ajutage 34 comprises the 1st ajutage 34a, the 2nd ajutage 34b, the 3rd ajutage 34c and the 4th ajutage 34d.Thickness direction along absorptive element 31 advances from the side of opposed absorptive element 31 by the high temperature air of heater 32 heating, comes out from the side of opposition side afterwards.The zone of the absorptive element 31 that high temperature air passes through can be discharged moisture to high temperature air by the high temperature air heating.

High temperature air through absorptive element 31 becomes hot and humid air and gets into the 2nd ajutage 34b.The 2nd ajutage 34b is configured to cover with respect to air flow circuit A the side of the upstream side of absorptive element 31, so that can reclaim the hot and humid air through absorptive element 31 fully.The 2nd ajutage 34b profile is fan-shaped, covers about 1/6th of side.

The 3rd ajutage 34c flows the periphery from the mobile hot and humid air of coming of the 2nd ajutage 34b along the radial outside of absorptive element 31.In the 3rd ajutage 34c, be provided with a plurality of slotted hole 35a that connect on equidirectional with air flow circuit A.Pass through said slotted hole 35a in air flow circuit A flow air.Because pasting the wall of slotted hole 35a, the hot and humid air that in the 3rd ajutage 34c, flows flows, so can capture heat from hot and humid air through the air of slotted hole 35a.Therefore, the hot and humid air of the wall of contact slotted hole 35a is cooled, in the wall dewfall of slotted hole 35a.The water container 40 that dew is stated after getting into through the regulation outlet.

The 4th ajutage 34d is communicated with the 3rd ajutage 34c and the 2nd pressure fan 33.Pasting the wall of a plurality of slotted hole 35a and after being seized heat and moisture, be inhaled into the 2nd pressure fan 33 at the hot and humid air that the 3rd ajutage 34c flows through the 4th ajutage 34d.

Slotted hole 35a is configured to the radial outside around absorptive element 31, and a plurality of slotted hole 35a form heat exchange department 35.Dehumidifying element 3 is formed with flat part 3a, and it is identical that this flat part 3a is set on thickness direction general size, and the 3rd ajutage 34c and heat exchange department 35 are contained among the 3a of this flat part.

Fig. 4 is the front view that Dehumidifying element is looked from the heater side.Among Fig. 4, Dehumidifying element 3 also has CD-ROM drive motor 36.CD-ROM drive motor 36 has pinion 361, is provided with the driven gear 311 with pinion 361 engagements in the periphery of absorptive element 31.At CD-ROM drive motor 36 duration of works, absorptive element 31 rotation contacts also adsorption moisture with air through air flow circuit A, is discharging said moisture with heater 32 relative positions, contacts with air through air flow circuit A again.Therefore, absorptive element 31 can repeat the absorption and the release of moisture.

In Fig. 1, in the top of body 10, be provided with the Selection Floater 11 of selecting air cleaning running, dehumidifying running and humidification running, this Selection Floater 11 is connected with control part 6.In Selection Floater 11, comprise the rotation that can select absorptive element 31 and the selector button that stops 37, if dehumidifying is closed selector button 37 when turning round, then absorptive element 31 stops the rotation, no longer dehumidifying.At this moment, because heater 32 and the 2nd pressure fan 33 working, so high temperature air circulates in ajutage 34.Therefore, can be heated during in air flow circuit A flow air, so can carry out small-scale heating through heat exchange department 35.At this moment, work the humidification that to heat running simultaneously through making humidifying unit 4.In addition, in this embodiment, in control part 6, preestablish greenhouse humidification operation mode, then can select the running of greenhouse humidification from Selection Floater 11.

< humidifying unit >

Fig. 5 is the stereogram of humidifying unit.In Fig. 5, humidifying unit 4 has water container 40, gasification element 41, water wheels 42, reaches drive division 43.Water container 40 is to the water source of supplying moisture through the air of air flow circuit A, releasably is accommodated in the body 10.Under the hydropenic situation in water container 40, the user draws water to replenish from the pump mouth of body 10.In addition, in the dehumidifier of this embodiment, the water that Dehumidifying element 3 is caught is stored in the water container 40, to reduce the number of times of supplementing water.

Gasification element 41 is shaped to gasification member discoideus, make the water evaporation of sending here from water container 40 through rotation with nonwoven.Gasification element 41 has the 1st gear 411, the 1 gears 411 by drive division 43 rotations in periphery.Because gasification element 41 is disposed at the top of the water level of water container 40 when being full of water, so can directly not contact with the water in the water container 40.

Fig. 6 is the stereogram of the humidifying unit of looking from the downstream of the air of Fig. 5 stream.In Fig. 6, water wheels 42 rotatably are supported in water container 40, can draw the water in the water container 40 and discharge to gasification element 41.Be the size of the thickness direction that dwindles humidifying unit 4, make gasification element 41 parallel, and the element 41 that gasifies be relative and near each other with water wheels 42 with the rotating shaft of water wheels 42.

Therefore, water wheels 42 need extract water in the side and from the side to the side release water outlet of gasification element 41, near the periphery of the side of water wheels 42, be provided with a plurality of recess 421a with trapezoidal shape opening.

Fig. 7 is the exploded perspective view of water wheels.In Fig. 7, water wheels 42 comprise wheel body 421, wheel body lid the 422 and the 2nd wheel body 423.In wheel body 421, be formed with from a side to the recessed a plurality of recess 421a in the side of opposition side with the mode of drawing circumference.In addition, the mode with the open side that covers recess 421a is combined in wheel body 421 with wheel body lid 422.

On wheel body lid 422,, be formed with the hole 422a of trapezoidal shape with the mode of drawing circumference in the position relative with the recess 421a of wheel body 421.Because the size of hole 422a is half degree of the opening of recess 421a, so when wheel body lid 422 was combined in wheel body 421, the opening that presents recess 421a was opened the state of half degree.

The 2nd wheel body 423 is and the 1st gear 411 meshed gears of gasification element 41, is provided with the total rotating shaft 424 of wheel body 421, wheel body lid the 422 and the 2nd wheel body 423 at the center of rotation.With rotating shaft 424 as common axle, overlapping in regular turn combination the 2nd wheel body 423, wheel body lid 422 and wheel body 421.

During water wheels 42 rotations, recess 421a can pass through to rise then from the water of water container 40 successively.Recess 421a when immersion and since water can be from the hole 422a get into the inside of recess 421a, so the inside of the recess 421a that from water, comes out water abrim.

421a approaches uppermost position along with recess, and 422a flows out the water in the recess 421a from the hole, and through uppermost position the time, similar whole water all flows out.Water is when flowing out, because of gravity has added the force and velocity of a current to a certain degree, so can flow out to the side of the gasification element 41 that approaches recess 421a.

In Fig. 6; Rotating shaft 424 is rotatably supported by the bearing 40a of water container 40; Height from the bottom surface of water container 40 to the axle core of bearing 40a is configured to make when disposing water wheels 42; When even water container 40 is positioned at lowest water level, the recess 421a that is arranged in the upper/lower positions of water wheels 42 also can be in water.

In addition, because the bearing 40a first half leaving, so when water container 40 during from body 10 extractions, the user can take out water wheels 42 and clean from water container 40.

Fig. 8 is the stereogram of the assembled state of Dehumidifying element and humidifying unit.In Fig. 8, be disposed to 4 piles of folded formulas of humidifying unit the below of the 2nd pressure fan 33 of Dehumidifying element 3.Invisible heat exchange department 35 is relative among the gasification element 41 of humidifying unit 4 and the absorptive element 31 of Dehumidifying element 3 and Fig. 8.Water wheels 42 are configured to be sandwiched between gasification element 41 and the heat exchange department 35 in addition.

As shown in Figure 1, extract out through the 1st 10a drawer type, can the extraction mouth 12 of water container 40 from body 10 be taken out, can the extraction mouth 13 of gasification element 41 from body 10 be taken out through opening revolving the 2nd 10b.Thus, the user can take out water container 40 and carry out the supply of water and the cleaning of water wheels 42, also can take out gasification element 41 and change.

In addition, the water in the water container 40 is to be mostly can to confirm through visual from the window portion 10c that is located at the 1st 10a less.In this embodiment, window portion 10c is rectangular-shaped hole, and the protuberance 40c (with reference to Fig. 6) that is pre-formed on water container 40 is embedded in this hole.The user can be from the hole of window portion 10c the visual water level that reflects at protuberance 40c.

Like Fig. 5, shown in Figure 6, take out easily from body 10 in order to make gasification element 41, gasification element 41 is formed the shape that does not make rotating shaft outstanding.Therefore, gasification element 41 is supported through the 1st gear 411 and driven

wheel

431 and 423 engagements of the 2nd wheel body.In order to make the 1st gear 411 keep stable posture, driven wheel 431 and the 2nd wheel body 423 are positioned at than the rotating shaft of the 1st gear 411 position of below more, and are positioned at the position of mutual opposition side with respect to the vertical center line of gasification element 41.Therefore, even gasification element 41 also can stably rotate by axle supporting, and when body 10 takes out, owing to there not be outstanding axle, so taking-up and can not be stuck in body 10 inside easily.

When from body 10, taking out water container 40, how handling from gasification element 41 fallen water is a problem.In this embodiment, as shown in Figure 8, below gasification element 41, be provided with water receiving container 44.Water receiving container 44 can joltily be supported on the below of carriage 4b, with respect to as shaking the axis of rocking 44b at center, in gasification element 41 sides; Have and be used to water nozzle 44a that water is flowed downwards; With respect to axis of rocking 44b,, has the complementary tank 44c of water storage temporarily in drive division 43 sides.

Water receiving container 44 is when gasification element 41 is positioned at the normal position; Make water nozzle 44a let water flow in the water container 40 towards the below; When gasification element 41 is removed, water nozzle 44a is made towards the top from gasification element 41 fallen water be stored in the complementary tank 44c.

< characteristic >

(1)

In dehumidifier 1, absorptive element 31 is from the air adsorption moisture of the pressure fan 2 of flowing through.The 2nd pressure fan 33 makes the part of the high temperature air contact absorptive element 31 that temperature rises through heater 32 that moisture is discharged from absorptive element 31.Heat exchange department 35 be disposed at the radial outside of absorptive element 31 peripheral space, make the moisture dewfall that is contained in the high temperature air through absorptive element 31.Because heat exchange department 35 is configured in the peripheral space of absorptive element 31, increases so can suppress the size of the flow direction of air, and guarantee the effective area of heat exchange department.

(2)

In dehumidifier 1, because the zone that absorptive element 31 is contacted with high temperature air by CD-ROM drive motor 36 rotations, replacing, so continue dehumidifying through selecting CD-ROM drive motor 36 to work, and through selecting CD-ROM drive motor 36 to stop to interrupt dehumidifying.When interrupting dehumidifying, will heat to carry out small-scale as thermal source because of the heat exchange department 35 that the high temperature air temperature rises.Therefore, can select dehumidifying and heating on a small scale.

(3)

In dehumidifier 1, the 2nd pressure fan 33 is positioned near the top of absorptive element 31, and is more outstanding than the side of absorptive element 31.Following side space at the 2nd pressure fan 33 is provided with humidifying unit 4, has suppressed the maximization of the dehumidifier 1 of configuration humidifying unit 4.In addition, because with respect to air stream, the position of humidifying unit 4 is positioned at the downstream of heat exchange department 35, so the rotation through stopping absorptive element 31, make humidifying unit 4 work, the humidification that can heat running.In addition, because the 2nd pressure fan 33 is configured to such an extent that avoid near the below of heater 32, the 2nd pressure fan 33 can temperature not rise because of heater, so be safe.

[utilizability on the industry]

As previously discussed, the dehumidifier miniaturization that utilizes the present invention to make to have humidification function is so be of great use as the multi-functional dehumidifier of using on the table.

Claims

1. a dehumidifier (1), it comprises:

Pressure fan (2), it sucks air and forms air flow circuit;

Heater (32);

Discoideus absorptive element (31), it is from the air adsorption moisture of the said pressure fan (2) of flowing through;

The 2nd pressure fan (33), it makes the high temperature air that temperature rises via said heater (32) contact the part of said absorptive element (31), thereby moisture is emitted from said absorptive element (31);

Heat exchange department (35); It is provided with a plurality of slotted holes (35a); And be disposed at the peripheral space of the radial outside of said absorptive element (31); Under the operation of said the 2nd pressure fan (33), said high temperature air is captured heat through the air of said slotted hole (35a) from said hot and humid air in the internal flow of said heat exchange department (35);

Drive division (36), it makes said absorptive element (31) rotation; And

Selection portion (37), it is selected the operation of said drive division (36) and stops,

Said heater (32) covers the end face top of said absorptive element (31);

Said the 2nd pressure fan (33) is arranged on the upper position of contiguous said absorptive element (31), and is more outstanding to the flow direction of the said air of the said pressure fan (2) of flowing through than the end face of said absorptive element (31);

Said heat exchange department (35) is put along the outside winding of the radial outside of said absorptive element (31);

The humidifying unit (4) that the said air of the said pressure fan (2) of flowing through is applied moisture is configured in like upper/lower positions in the below of said the 2nd pressure fan (33), and this position is with respect to the mobile downstream that are positioned at said heat exchange department (35) of said air.

2. dehumidifier as claimed in claim 1 (1), wherein

Said the 2nd pressure fan (33) is configured near the below of avoiding said heater (32).