JP4595366B2 - Humidifier - Google Patents

Description

  The present invention relates to a humidifier that evaporates and humidifies sucked moisture by blowing air to a humidifying filter to which water is attached.

  Conventionally, as an example of this type of humidifier, a vaporizing humidifier that performs humidification by bringing warm air into contact with a humidifying filter is known (see, for example, Patent Document 1).

  Hereinafter, the vaporizing humidifier will be described with reference to FIGS. 7 and 8.

  As shown in the figure, formed by a frame-shaped humidifying filter frame 106 in which a humidifying filter 105 in which a filter material is formed in a zigzag shape is mounted in an air flow path 103 formed by providing a blower 102 and a heater 104 in a main body 101. The water tank unit 108 provided with the humidifying unit 107 and the humidifying unit 107 detachably provided is detachably provided on the main body 101.

  Moreover, a humidifier that rotates and humidifies a vaporization filter is known as an example of this type of humidifier (see, for example, Patent Document 2).

  Hereinafter, the humidifier will be described with reference to FIGS. 9 and 10.

  As shown in the figure, after the indoor dry air sucked from the suction port (not shown) by the blower 109 is heated by passing through the heater 110 provided in the air passage, the water in the water tank unit 111 is used. The air is passed through the wet vaporization filter 112 and the humidified air is blown out from the air outlet 113. The vaporization filter 112 is a horizontal rectangle obtained by pleat-folding a sheet-like material having good water absorption with a small hole in the entire surface.

In this humidifier, the vaporization filter 112 is rotatable, and one lower end portion is submerged in the water tank portion 111 (a), a state where the lower end portion is held substantially horizontal with the water surface (b), and the other lower end portion is submerged in water. In the submerged state (c), each is stopped.
JP 2002-61901 A ([0012] to [0015], FIGS. 1 and 4) Japanese Patent Laying-Open No. 2003-302077 ([0041] to [0048], FIGS. 1 and 5)

  The humidifying unit 107 of such a conventional vaporizing humidifier is formed in a frame-shaped humidifying filter 106 on which a humidifying filter 105 in which a filter material is formed in a zigzag shape is mounted, and the humidifying unit 107 rotates. Therefore, the Mg and Ca compounds in water adhere to a specific part of the filter surface, the water absorption action due to capillary action is reduced and the humidifying ability is lowered, so there is a problem that the compound must be scraped with a brush etc. It is required to prevent the Mg and Ca compounds from adhering to specific locations.

  Further, in the humidifier, the vaporization filter 112 is rotated, but the vaporization filter 112 sucks up moisture by a capillary phenomenon, so that Mg and Ca compounds contained in water easily adhere to the vaporization filter 112. Further, since the vaporization filter 112 is intermittently rotated by a timer, there is a problem that the humidification amount fluctuates and wind leakage is likely to occur, and it is required that the fluctuation of the humidification amount is small and no wind leakage occurs. .

  The present invention solves such a conventional problem, and can be used continuously without reducing the humidification ability of the humidification filter, and the humidification amount does not fluctuate and can be stably humidified. The object is to provide a humidifier.

In order to achieve the above object, the humidifier of the present invention is configured to rotate a hollow cylindrical humidifying filter in which the lower part is always immersed in the water stored in the water tank, and the direction of rotation of the hollow cylindrical humidifying filter is determined by the filter medium. Enter the water from the upstream side of the air flow path and move to the downstream side of the air flow path, provide a shielding part close to the upper outer surface of the hollow cylindrical humidification filter, and the water content from the upstream part of the humidification filter The surface area of the downstream part where the pressure loss increases and the pressure loss increases is formed large.

By this means, a humidifying device that can be used continuously without deteriorating the humidifying capacity of the humidifying filter and that the humidifying amount does not fluctuate and can be stably humidified is obtained, and the humidifying filter is effectively cleaned. The ventilation rate can be secured.

  Another means is that a filter medium forming a humidifying filter is formed by adhering a moisture absorbing additive with a binder.

By this means, the humidification amount of the humidification filter can be improved.

  Another means is to provide a heating means in the air flow path upstream of the humidifying filter.

  By this means, the humidification amount can be adjusted.

  Another means is that the humidifying filter is arranged so that the lower end portion of the inner surface of the filter medium is located at or below the surface of the stored water in the water tank.

  By this means, the filter medium can be sufficiently hydrated.

  Another means is to set the rotational speed of the humidifying filter to 5 RPM or less.

  By this means, it is possible to efficiently perform water supply, moisture release, and drying by rotation of the filter medium.

  Another means is that a chamber portion is provided in an air flow path through which a forced airflow flows between the blower and the humidifying filter.

  By this means, the humidifying ability can be stabilized.

  ADVANTAGE OF THE INVENTION According to this invention, the humidification apparatus which can be used continuously, without reducing the humidification capability of a humidification filter, and there is no fluctuation | variation in a humidification amount, and has an effect which can perform a humidification operation stably can be provided.

According to a first aspect of the present invention, there is provided a main body in which a blower is provided in an air passage formed by communicating an inlet and an outlet, and the air passage so that water is supplied from a water supply tank provided in the main body. And a hollow cylindrical humidifying filter in which the lower part is always immersed in the water stored in the aquarium, and the humidifying filter is configured to rotate, so that the compound does not adhere to a specific location, and the humidifying filter It can be used continuously without degrading the humidifying capacity of the product, and since the air is constantly sent to the humidifying filter, there is no fluctuation in the amount of humidification, and the humidifying operation can be performed stably. There is no accompanying wind leakage, and the rotation direction of the hollow cylindrical humidifying filter is the direction in which the filter medium enters the water from the upstream side of the air flow path and moves to the downstream side of the air flow path. , Dust adhering to the filter is washed when passing underwater to prevent re-scattering, and the humidified filter can be effectively washed by the water surface being swelled by air blowing, and adheres to the filter medium. The moisture can be equalized and ventilated, a shielding part is provided near the upper outer surface of the hollow cylindrical humidifying filter, and the surface area of the downstream part where the water content is higher and the pressure loss is higher than the upstream part of the humidifying filter is formed larger As the humidifier filter comes out of the water, the moisture content is high and the pressure loss is high.Therefore, increasing the surface area on the downstream side reduces fluctuations in the air resistance applied to the humidifier filter, resulting in a smooth air flow. In addition, the air flow rate can be secured.

The invention of claim 2, wherein the filter medium to form a humidifying filter are those formed by impregnating a hygroscopic additive in the binder, filter medium a silica gel or zero light moisture absorption additives mixed with a binder By adding to the water content, the moisture content is increased, the durability of the filter medium is increased, the cylindrical shape is maintained, and the humidification amount of the humidification filter can be improved.

Further, the invention described in claim 3 is provided with a heating means in the air flow channel upstream of the humidifying filter. By operating the heating means, hot air is supplied to the humidifying filter to increase the amount of humidification. In addition, the amount of humidification can be reduced by stopping the heating means, the increase or decrease in the amount of humidification can be adjusted, and the surface temperature of the humidification filter can be prevented from becoming an abnormal temperature. Moreover, deterioration of the humidifying filter can be prevented, and it is possible to prevent the user from feeling cold by raising the temperature of the blown air from the air outlet.

In the invention according to claim 4 , the humidifying filter is disposed so that the lower end portion of the inner surface of the filter medium is located at the same or lower side as the water surface of the stored water in the water tank, and the thickness portion of the filter medium is It will be completely submerged in water, preventing air leakage at the lower part of the humidifying filter, and having the effect of sufficiently containing water in the filter medium.

In the invention according to claim 5 , the rotational speed of the humidifying filter is 5 RPM or less, and it takes a little time to separate the moisture contained in the humidifying filter from the filter medium by blowing air. By slowing down to 5 RPM or less, there is an effect that the steps of water supply, moisture release and drying by rotation of the filter medium can be performed efficiently.

Further, the invention according to claim 6 is that the chamber part is provided in the air flow path through which the insufflation air current flows between the blower and the humidifying filter, and the air direction and the wind speed are made uniform in the chamber part and passed through the humidifying filter. The variation in the amount of air flow can be reduced, and the humidification capacity can be stabilized, and when warm air is supplied by the heating means, the temperature difference of the warm air can be reduced to stabilize the humidification capacity. .

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIGS. 1 to 6, water is supplied from a main body 5 in which a blower 4 is provided in an air flow path 3 that communicates an inlet 1 and an outlet 2, and a water supply tank 6 that is detachably provided in the main body 5. Thus, the water tank 7 slidably provided in the lower part of the main body 5 and the hollow cylindrical humidification filter 8 whose lower part is always immersed in the water stored in the water tank 7 are rotated to humidify.

  The filter medium 9 is manufactured by first adding zeolite, isopropyl alcohol, tetraethoxysilane (binder), and hydrochloric acid in a container in the adhering material manufacturing process, and adjusting the adhering agent (adjusting material) with a ball mill in the mixing process. Mill for more than an hour. The foaming urethane base material is impregnated with the additive in the dipping step, and the excess is removed so that the predetermined amount of attachment is obtained in the air blowing step. The solvent component of the adhering agent for the foamed urethane base material blown with air in the drying step is evaporated to attach only the solid content. The filter medium 9 attached to the urethane foam base has a three-dimensional skeleton structure with a porosity of 97% or more and a number of bubbles of 4 to 25/25 mm, and is formed into a hollow cylinder with a thickness of 5 to 20 mm. .

  As for the number of bubbles in the filter medium 9, the result of the experiment is shown in Table 1 as the relationship between the number of bubble cells and the amount of humidification.

  As is clear from this (Table 1), as a result of experiments in the range of 6 to 23 bubble cells, the humidification amount in 11 to 16 cells is the largest, and the sufficient humidification amount can be ensured by the number of bubble cells. A range of 4 to 25 cells is preferable, and a range of 11 to 16 cells is preferable.

  Moreover, about the thickness of the filter medium, the result of the experiment is shown in Table 2 as the relationship between the thickness and the humidification amount.

  As is clear from this (Table 2), as a result of an experiment in the thickness range of 5 to 15 mm of the filter medium 9, the humidifying amount is the largest when the thickness is around 10 mm, and the humidifying amount can be sufficiently secured. It is in the range of ˜20 mm, preferably in the range of 8 to 12 mm.

  Further, the filter frame 10 that maintains the filter medium 9 in a hollow cylindrical shape is reinforced at a substantially intermediate position between the pair of disk-like side plates 11A and 11B, a plurality of connecting rods 12 that connect the side plates 11A, and the connecting rods 12. A plate 13 is provided and one side plate 11B is detachable. The side plate 11A has a shape that comes into contact with the side portion of the hollow cylindrical filter medium 9, and the other is formed by a small-diameter side plate 11a that is inserted into the filter medium 9, and the small-diameter side plate 11a has a side portion of the filter medium 9. A threaded portion 14 is provided in which a side plate 11B which is detachably provided in contact with the screw is engaged. The filter medium 9 is maintained by the filter frame 10 to form the humidification filter 8, and the support plate 16 for supporting the driven gear 15 for rotating the humidification filter 8 is provided on the side plate 11 </ b> B that is detachably provided. 16 is provided with a play portion 17 in which the shaft support portion 15a of the driven gear 15 can freely rotate within a certain range in the rotation direction, and the driven gear 15 is attached to the support portion 16.

  Further, the humidifying filter 8 is detachably attached to the wall portion 18 of the water tank 7 so as to be rotatable, and the lower end of the inner surface of the filter medium 9 of the humidifying filter 8 is located at the same or lower side as the water surface 7 a of the stored water in the water tank 7. It arrange | positions as follows. A rotating means 19 for rotating the humidifying filter 8 is formed by a driving means 21 having a driving gear 20 provided on the main body 5 and a driven means 22 comprising a driven gear 15 provided on the humidifying filter 8. When the water tank 7 detachably provided on the main body 5 is attached / detached, the driving means 21 provided on the main body 5 can be connected to or detached from the driving means 22 provided on the humidifying filter 8, and the humidifying filter 8 is rotated at a rotational speed of 5 RPM or less. Provide to do.

  Here, with respect to the number of rotations of the humidifying filter 8, experimental results are shown in Table 3 as the relationship between the number of rotations and the humidification amount.

  As is clear from this (Table 3), as a result of experimenting the rotational speed of the humidifying filter 8 in the range of 1 to 2.5 RPM, the rotational speed at which the humidification amount near 1 RPM is the largest and the sufficient humidification amount can be secured. Is in the range of 5 RPM or less, preferably 2 RPM or less.

  A heating means 23 is provided in the air flow path 3 upstream of the humidifying filter 8 housed in the main body 5 via the water tank 7, and a shielding part 24 is provided in the vicinity of the upper outer surface of the humidifying filter 8 to humidify the humidifying filter 8. The surface area of the downstream portion 8b is formed larger than that of the upstream portion 8a of the filter 8. The chamber part 25 is provided in the air flow path 3 through which the inflow air current flows between the blower 4 and the humidifying filter 8, and the filter medium 9 enters the water from the upstream side of the air flow path 3 in the rotation direction of the humidifying filter 8. 3 in the direction of moving downstream.

  Here, the result of the experiment with respect to the rotation direction of the humidification filter 8 is shown in Table 4 as the relationship between the rotation direction and the humidification amount.

  As is clear from this (Table 4), when the rotation direction of the humidifying filter 8 is rotated in the direction from the upstream side to the downstream side of the air flow path 3, the amount of humidification is the largest, and the rotation direction is from the downstream side to the upstream side. When it is set as the rotation direction, the humidification amount decreases.

  Moreover, it comprises so that the driving | running state of the humidification filter 8 can be visually recognized from the blower outlet 2. FIG.

  In the above configuration, when the humidifier is operated, the forced air flow sucked from the suction port 1 and sent to the air flow path 3 by the blower 4 is heated by the heating means 23 and sent to the chamber portion 25, and the air direction and The wind speed is made uniform and sent to the humidifying filter 8. At this time, the rotation means 19 rotates.

  The humidification filter 8 is humidified by rotating at a rotational speed of 5 RPM or less in the direction in which the filter medium 9 enters the water from the upstream side of the air flow path 3 and moves to the downstream side of the air flow path 3. At this time, the dust adhering to the humidifying filter 8 is washed when passing through the water to prevent re-scattering, and the humidifying filter 8 is washed by the wave of the water surface of the water tank 7 being blown.

  Further, a shielding portion 24 is provided in the vicinity of the upper outer surface of the humidifying filter 8 so that the surface area of the downstream portion 8b is larger than the upstream portion 8a of the humidifying filter 8, and when the humidifying filter 8 comes out of water, it is included. By increasing the surface area on the downstream side so that the amount of water is high and the pressure loss is high, the air fluctuation applied to the humidifying filter 8 is reduced, and a smooth air flow is ensured and the air flow rate is secured.

  In addition, by operating the heating means 23 provided in the air flow path 3, warm air is supplied to the humidifying filter 8 and the humidification amount is increased, and the humidification amount can be reduced by stopping the heating means 23. Further, the humidification amount can be adjusted, and the humidified air is diffused from the outlet 1 in a state where the surface temperature of the filter medium 9 can be prevented from deteriorating due to an abnormal temperature.

  In addition, as shown in FIG. 2, since the rotation state of the humidification filter 8 can be visually recognized from the outlet 2 during operation, the rotation / rest state of the humidification filter 8 can be easily seen during operation. This makes it possible to reliably and easily conduct cause investigations such as product maintenance and reduction of humidification.

  Next, when cleaning or replacing the humidifying filter 8, first, the operation is stopped, and the water tank 7 is slid and pulled out, so that the driving means 21 provided on the main body 5 and the driven means 22 provided on the humidifying filter 8 are removed. The connection is released and the water tank 7 is drawn out, and the humidifying filter 8 is taken out from the wall 8 to the water tank 7 and cleaned.

  When the humidifying filter 8 is removed, the detachable side plate 11B screwed to the threaded portion 14 of the filter frame 10 is removed, and the humidifying filter 8 can be taken out. Further, by attaching the detachable side plate 11B, the humidifying filter 8 is maintained in a cylindrical shape by the filter frame 10, and the pair of side plates 11A and 11B abut against the side portion of the humidifying filter 8, and air from the side portion It is maintained in a state where leakage is prevented.

  Further, the humidifying filter 8 maintained in a cylindrical shape is rotatably provided on the wall portion 18 of the water tank 7, and the water tank 7 is slid and stored in the main body 5 to drive the driving means 21 provided in the main body 5. The driven gear 15 of the driven means 22 provided on the humidifying filter 8 meshes with the gear 20. At this time, even if the tooth portions of the driven gear 15 are in contact with each other and are stuck, The driven gear 15 is moved and connected to a position where the driven gear 15 meshes with the drive gear 20 by the portion 17, and the rotating means 19 is formed simultaneously with the storage of the water tank 7.

  Further, by forming the filter medium 9 in a cylindrical shape and maintaining the shape with the filter frame 10, the air resistance inside the cylinder can be reduced and the air volume can be secured, and the function of the humidifying filter 8 can be stably exhibited. In addition, since the filter medium 9 has a high porosity, it is easy for air to circulate even when the humidifying filter 8 contains water, and the humidifying filter 8 can be adjusted by relatively adjusting the number of bubbles and the size of the bubbles. Clogging can be prevented when moisture is contained.

Further, by rotating the humidifying filter 8, Mg, prevents the Ca compound is fixed to a specific location, together with humidifying performance can be used continuously without lowering, moisture absorption additives filter medium 9 The amount of humidification of the humidification filter 8 can be improved by binder.

  In addition, by providing the chamber portion 25 in the air flow path 3 through which the forced airflow flows, the variation in the amount of ventilation can be reduced and the humidifying ability can be stabilized, and the thickness portion of the filter medium 9 can be completely submerged in water. Thus, air leakage at the lower portion of the humidifying filter 8 can be prevented, and the filter medium 9 can be sufficiently hydrated.

  In the first embodiment, the idler 17 is provided on the driven gear 15 in order to improve the meshing between the drive gear 20 and the driven gear 15. However, the idler 17 may be provided on the drive gear 20 side. 17 is provided in either one or both of the drive means 21 and the follower means 22 and there is no difference in the effect.

  The present invention can also be applied to the use of a cold air fan that rotates a humidifying filter having a large number of bubbles and large bubbles and supplies cold water to obtain cold air.

1 is a cross-sectional view of a humidifier according to Embodiment 1 of the present invention. Vertical section of the humidifier The perspective view which shows the state at the time of taking out the humidification filter of the humidification device Exploded perspective view of the humidifier The perspective view which shows the play part by the side of the driven means of the humidification device Sectional drawing which shows the state at the time of rotation of the humidification filter of the humidification device Cross section of a conventional vaporizing humidifier Exploded perspective view of humidification section of the same vaporizing humidifier Cross section of another conventional humidifier Operation explanatory diagram of the humidifier

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Intake port 2 Outlet 3 Air flow path 4 Blower 5 Main body 6 Water supply tank 7 Water tank 7a Water level 8 Humidification filter 8a Upstream part 8b Downstream part 9 Filter medium 10 Filter frame 11A Side plate 11B Side plate 12 Connecting rod 13 Reinforcement plate 15 Gear 17 Playing part 19 Rotating means 20 Driving gear 21 Driving means 22 Follower means 23 Heating means 24 Shielding part 25 Chamber part

Claims (6)

A main body provided with a blower in an air channel formed by communicating the suction port and the outlet, a water tank provided in the air channel so that water is supplied from a water supply tank provided in the main body, and water stored in the water tank A hollow cylindrical humidifying filter in which the lower part is always immersed, and the humidifying filter is configured to rotate. The humidifying filter includes a hollow cylindrical filter medium and a filter frame for maintaining the filter medium in a hollow cylindrical shape. The direction of rotation of the humidified filter having a hollow cylindrical shape is defined as a direction in which the filter medium enters the water from the upstream side of the air flow path and moves to the downstream side of the air flow path. wherein in proximity to the upper outer surface of the humidifying filter is provided a shielding portion, and the surface area of the downstream portion of the water content from the upstream side portion is large and the pressure loss increases in the humidifying filter formed larger humidification Location. The humidifying device according to claim 1, wherein the filter medium forming the humidifying filter is formed by adhering a moisture absorbing additive with a binder. The humidifying device according to claim 1 or 2, wherein a heating means is provided in the air flow path upstream of the humidifying filter. The humidification apparatus in any one of Claim 1 to 3 which has arrange | positioned the said humidification filter so that the inner surface lower end part of the said filter medium may be located in the same or the downward direction as the water surface of the stored water in the said water tank. The humidifying device according to any one of claims 1 to 4, wherein the number of rotations of the humidifying filter is 5 RPM or less. The humidifying device according to any one of claims 1 to 5, wherein a chamber portion is provided in the air flow path through which an inflow air current flows between the blower and the humidifying filter.

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