JP6699963B2 - Humidifier - Google Patents

Description

  The present invention relates to a humidifying filter and a humidifier used for a humidifier.

  In a typical household humidified air purifier, impurities such as minerals contained in the humidifying water adhere to the humidifying filter during use, which may cause odors or cause a decrease in the amount of humidification. To become. For this reason, it is necessary to regularly replace the entire humidification filter, resulting in replacement costs of the humidification filter.

  Patent Document 1 discloses a technique for reducing the cost for replacing the humidifying filter by replacing only the portion where the impurities are attached without replacing the entire humidifying filter.

  It has also been proposed to wash the impurities adhering to the humidifying filter with water without replacing the humidifying filter.

Japanese Patent Laid-Open No. 2009-68732 (Published April 2, 2009)

  By the way, a general moisturizing filter is required to have a certain degree of hardness in order to avoid deterioration due to deformation and an influence on the amount of humidification, and therefore, a non-woven fabric is formed by folding it into a bellows shape. Therefore, there is a problem that the humidifying filter cannot be washed by rubbing, and the impurities attached to the humidifying filter cannot be sufficiently removed even by washing with water.

  The present invention has been made in view of the above problems, and an object thereof is to provide a humidifying filter that can sufficiently remove impurities attached to the humidifying filter by washing with water and a humidifier equipped with such a humidifying filter. It is to be realized.

In order to solve the above problems, humidifier according to an embodiment of the present invention, a humidifying filter formed by folding the sheet material in a bellows, and accommodates and holds the humidification filter therein, rotates about a horizontal axis It is equipped with a disc-shaped holding frame and a water tank arranged so that the lower part of the holding frame is immersed, and the ventilation from one surface of the holding frame to the other surface is rotated together with the holding frame including the stored water in the water tank. In the humidifier configured to be in contact with the humidifying filter to send out moist air containing vaporized moisture to the other surface side, a folding line direction of the humidifying filter, and a direction parallel to the water surface of the stored water in the water tank. Is provided with a humidification control unit that controls the amount of humidification by adjusting the angle formed by, and the humidification filter is a circle, and the rotation center of the humidification filter is shifted from the center of the circle .

  According to one aspect of the present invention, if the sheet material is removed from the support, it is possible to sufficiently remove impurities attached to the humidification filter by washing with water.

It is a schematic block diagram of the humidification filter which concerns on Embodiment 1 of this invention. It is an external appearance perspective view of the humidifier provided with the humidification filter shown in FIG. It is sectional drawing which shows schematic structure of the humidifier shown in FIG. It is a perspective view which shows the support structure of the humidification filter unit of the humidifier shown in FIG. It is a perspective view of a support frame which supports a humidification filter concerning Embodiment 2 of the present invention, (a) is a perspective view before a humidification filter is installed, and (b) is a perspective view after a humidification filter is installed. It is a schematic structure figure for explaining humidification control in a humidifier concerning Embodiment 3 of the present invention. It is a graph which shows the relationship between the rotation angle of a humidification filter, and the amount of humidification. It is a graph which shows the relationship between time and target humidity by humidification control of the present invention. It is a graph which shows the relationship between time and target humidity by humidification control of a comparative example. It is a fragmentary front view showing the support structure of the humidification filter unit for controlling the rotation of the humidification filter. It is a schematic block diagram of the humidification filter which concerns on Embodiment 4 of this invention.

[Embodiment 1]
Hereinafter, embodiments of the present invention will be described in detail.

(Outline of humidifier)
As shown in FIG. 3, the humidifier according to the present invention includes a blower fan 2, a humidification filter unit 3 and a water tank 4 inside a rectangular box-shaped housing 1. The interior of the housing 1 is divided by a partition wall 1a into a suction chamber 1b on the rear side and a discharge chamber 1c on the front side. The suction chamber 1b communicates with the outside through a large number of intake ports 15, 15... Opened on the rear panel 14 of the housing 1, and the discharge chamber 1c supplies air to the top plate of the housing 1. It communicates with the outside through the mouth 16. Further, the suction chamber 1b and the discharge chamber 1c communicate with each other via an opening 1d provided in the lower portion of the partition wall 1a.

  As shown in FIG. 1, the rear panel 14 is detachable, and a deodorizing filter 17 and a dust collecting filter 18 are laminated on the front side of the rear panel 14. The deodorizing filter 17 is made of, for example, a nonwoven fabric in which activated carbon is dispersed and held, and has a function of adsorbing and removing odorous components in aeration. The dust collecting filter 18 is, for example, a known HEPA (High Efficiency Particulate Air) filter, and has a function of collecting and removing fine dust contained in the ventilation. The deodorizing filter 17 and the dust collecting filter 18 are fitted in a filter chamber provided on the front side of the rear panel 14.

  The blower fan 2 includes an impeller 20 and a fan motor 21 that drives the impeller 20. The fan motor 21 is fixed to the outside of the discharge chamber 1c. The impeller 20 is fixed to the output end of a fan motor 21 protruding into the discharge chamber 1c, and is arranged so as to face the opening 1d below the partition wall 1a. The impeller 20 of the blower fan 2 is rotated by driving the fan motor 21. When the impeller 20 rotates, outside air is introduced into the suction chamber 1b through the intake ports 15, 15... Provided in the rear panel 14, as indicated by the white arrow in FIG. It flows forward in the suction chamber 1b, is sucked into the impeller 20 through the opening 1d in the lower part of the partition wall 1a, is turned upward and is led out into the discharge chamber 1c, and the air supply port at the end of the discharge chamber 1c. It is sent to the outside via 16.

  In this way, the suction chamber 1b and the discharge chamber 1c inside the housing 1 constitute a blower path in which the above-described air flow occurs in accordance with the operation of the blower fan 2. The deodorizing filter 17 and the dust collecting filter 18 are located on the upstream side of the air passage as described above, and the outside air introduced into the suction chamber 1b through the intake ports 15, 15... The odor component is removed by this, and the dust is removed by passing through the dust collecting filter 18 to become clean air, which is sent out through the air supply port 16 at the end of the discharge chamber 1c. The illustrated humidifier also functions as an air cleaner due to the arrangement of the deodorizing filter 17 and the dust collecting filter 18.

  The humidifying filter unit 3 and the water tank 4 are arranged between the dust collecting filter 18 and the blower fan 2 in order to humidify the air flowing in the blower passage as described above.

  The water tank 4 is a dish-shaped container having an open top, and is fitted in a guide portion 19 provided on the bottom plate of the housing 1 to be arranged inside the suction chamber 1b on the front side of the dust collecting filter 18. As shown in FIG. 2, the water tank 4 slides along the guide portion 19 together with the humidifying filter unit 3 supported on the water tank 4 as described below, and is pulled out from one side surface of the housing 1 to the outside. It is possible. A wide tank receiver 40 is continuously provided at the end of the water tank 4 on the drawer side, and a water supply tank 41 is detachably attached to the tank receiver 40.

  The water supply tank 41 is a rectangular parallelepiped tank having a water supply plug 42 at one end, and is attached to the tank receiver 40 in an inverted posture with the water supply plug 42 side facing downward. The water tap 42 has a known constant water level valve built therein. When the water supply tank 41 is attached to the tank receiver 40, the constant water level valve is pushed up by a push-up protrusion 43 (see FIG. 4) which is erected at a corresponding position of the tank receiver 40 to open, and the constant water level valve is stored in the water supply tank 41. The water is sent to the water tank 4 and acts to store water at a constant water level inside the water tank 4.

  The humidification filter unit 3 is configured by accommodating and holding a humidification filter 31 inside a hollow disc-shaped holding frame 30. That is, the holding frame 30 has a disk shape that rotates around the horizontal axis, and houses and holds the humidifying filter 131 therein. The humidifying filter 31 is composed of two detachable sheets made of a material having a high water content such as a non-woven fabric, which is breathable and can be kneaded and washed. Details of the humidification filter 31 will be described later.

  FIG. 4 is a perspective view showing the support structure of the humidification filter unit 3. In FIG. 4, only the holding frame 30 is shown, and the humidification filter 31 inside the holding frame 30 is not shown. Further, FIG. 4 shows only the tank receiver 40 on one side of the water tank 4, and the illustration of the water supply tank 41 mounted on the tank receiver 40 is omitted.

  As shown in FIG. 4, the humidification filter unit 3 is supported by placing the holding frame 30 on the two support rollers 6 and 6 provided inside the water tank 4 so as to stand upright on the water tank 4. Has been done. The support rollers 6 and 6 are rollers that rotate around an axis in the front-rear direction, are arranged on both sides in the longitudinal direction on the bottom surface of the water tank 4, and are in contact with the outer peripheral surface of the holding frame 30 at their respective positions. The humidification filter unit 3 supported in this way can rotate around the central axis by rolling of the support rollers 6 and 6.

  The humidification filter unit 3 supported in this way can be easily removed by pulling it out together with the water tank 4 from one side surface of the housing 1 and lifting it upward, as shown in FIG. Conversely, by inserting a part thereof into the water tank 4 and placing it on the two support rollers 6 and 6, it is possible to easily support the posture described above. It can be pushed inside and set in a predetermined position inside the housing 1. The attachment/detachment of the humidification filter unit 3 is performed for maintenance and replacement of the humidification filter 31 housed inside the holding frame 30, and for cleaning the inside of the water tank 4.

  As shown in FIG. 4, on the outer peripheral surface of the holding frame 30, there is integrally provided a ring gear portion 32 having a proper width in which teeth are formed over the entire circumference at the center portion in the width direction. As shown in FIG. 3, the ring gear portion 32 is meshed with the transmission gear 51 of the drive unit 5 arranged at the upper position of the holding frame 30.

  The drive unit 5 includes a transmission gear 51 and a drive gear 52 attached to one surface of the base 50, and a drive motor 53 attached to the other surface of the base 50, and a plurality of fixing screws penetrating the base 50 (see FIG. It is fixed to an appropriate position of the partition wall 1a inside the housing 1 by means of not shown). The drive gear 52 is fitted to the output shaft of the drive motor 53, and the rotation of the drive motor 53 is transmitted to the transmission gear 51 via the drive gear 52 so that the transmission gear 51 rotates. ..

  The transmission gear 51 of the drive unit 5 and the ring gear portion 32 of the holding frame 30 mesh with each other as shown in FIG. 3 when the humidification filter unit 3 is set at the above-mentioned predetermined position. By this meshing, the humidification filter unit 3 is in a state of being supported at three points at different positions in the circumferential direction by the two support rollers 6 and 6 inside the water tank 4 and the transmission gear 51 of the drive unit 5.

  As shown in FIG. 3, the humidification filter unit 3 supported in this way is located inside the suction chamber 1b so as to face the front side of the dust collection filter 18 and the rear side of the blower fan 2, and to drive the drive motor 53. When driven, the rotation of the drive gear 52 is transmitted to the holding frame 30 via the transmission gear 51 and the ring gear portion 32, and the humidification filter unit 3 rotates about the central axis while maintaining the support position shown in FIG.

  A circular support ring 33 is provided at the center of the rear surface of the holding frame 30 shown in FIG. 4 (a surface facing the dust collection filter 18) and a front surface located on the opposite side of the rear surface. A plurality of (six in the figure) supporting ribs 34, 34... Connected to the outer peripheral portion are provided respectively, and an arcuate closing portion 35 is provided so as to block one location near the outer periphery.

  The accommodating space of the humidification filter 31 inside the holding frame 30 has a cross-sectional shape excluding the arcuate closing part 35, that is, a cross-sectional shape in which a circular part is cut out in an arc shape, and is accommodated in this accommodating space. The humidifying filter 31 thus held is held in a state of being supported from both front and rear sides by the support ring 33 and the support ribs 34, 34,....

  Inside the water tank 4, water having a constant water level is stored as described above. As described above, the lower portion of the rotating holding frame 30 is immersed in the stored water of the water tank 4, and the stored water enters the inside of the holding frame 30 through the front and rear openings and is stored and held in the holding frame 30. Water is absorbed by the humidification filter 31.

  In the humidifier having the above configuration, when the blower fan 2 is driven, the above-described air flow occurs in the suction chamber 1b and the discharge chamber 1c in the housing 1, and this air is generated by the holding frame 30 of the humidification filter unit 3. Is introduced into the interior of the container through the opening on the front surface, vented through the humidifying filter 31, and sent out through the opening on the rear surface. When the drive unit 5 is driven, the humidification filter unit 3 rotates, and as described above, the stored water in the water tank 4 is absorbed by the humidification filter 31 in the holding frame 30 and lifted by the rotation of the holding frame 30. It spreads over the entire humidification filter 31. Therefore, the air flowing as described above comes into contact with the humidifying filter 31 containing water, becomes moist air containing vaporized moisture, and is sent out through the air supply port 16 at the end of the discharge chamber 1c, so that the inside of the room where the humidifier is installed. Humidify.

(Humidification filter)
Details of the humidification filter 31 will be described below with reference to FIG.

  The humidifying filter 31 is mounted on the humidifier and is composed of two sheet materials 11 and 12 as shown in FIG. Each of the sheet materials 11 and 12 is made of a non-woven fabric or the like that has high water content, is breathable, and can be kneaded and washed (rayon, PET, etc.), and is configured to be removable. The attachment and detachment of the sheet materials 11 and 12 is performed by the attachment and detachment members 13a and 13b provided on the respective peripheral portions. These attachment/detachment members 13a and 13b may be any members as long as they can attach/detach the sheet materials 11 and 12 with one touch, such as Velcro (registered trademark) and hooks. It should be noted that FIG. 1A is a view in which the back surfaces of the sheet materials 11 and 12 are front surfaces. Therefore, the sheet materials 11 and 12 are attached to each other by the attachment/detachment members 13a and 13b with their back surfaces facing each other. Since the sheet materials 11 and 12 that have been attached to each other are difficult to be self-supporting because the materials are soft, they are put in the holding frame 30 which is a support body and supported.

  As shown in FIG. 1A, the sheet material 12 has a circular shape, but the sheet material 11 has a structure in which an end 11a is cut out. Thereby, when the two sheet materials 11 and 12 are bonded together, as shown in FIG. 1B, the sheet material 12 is partially exposed on the sheet material 11 side by the end portion 11 a of the sheet material 11. Becomes

  The humidifying filter 31 configured as described above has a structure in which two sheet materials 11 and 12 are stacked, but since the sheet material 11 and the sheet material 12 do not overlap each other at the one end portion 31a, The sheet material 11 and the sheet material 12 can be easily peeled off by putting a finger on the one end portion 31a.

  The sheet materials 11 and 12 may have different structures.

(effect)
Since the humidifying filter 31 can be easily separated into the sheet materials 11 and 12 after being removed from the apparatus and can be kneaded and washed, impurities attached to the sheet materials 11 and 12 can be easily removed. it can. That is, the user can easily care for the humidification filter 31.

  In particular, since the sheet materials 11 and 12 can be easily attached/detached by the attaching/detaching members 13a and 13b such as Velcro and hooks, the front surface and the back surface can be sufficiently washed.

  In addition, since the sheet materials 11 and 12 are supported by the holding frame 30 that is a support in a bonded state, the sheet materials 11 and 12 do not need to have much thickness or strength. That is, it is possible to use a soft material that can be kneaded and washed for the sheet materials 11 and 12. Thus, by rubbing and washing the sheet materials 11 and 12, the impurities attached to the humidifying filter 31 can be sufficiently removed only by washing with water.

  Further, since the end portion 11a of the sheet material 11 is cut out, the humidifying filter 31 can easily determine which surface is to be windward when the sheet materials 11 and 12 are attached. You can judge.

  Further, since the sheet materials 11 and 12 are detachably provided by the attachment/detachment members 13a and 13b such as Velcro and hooks provided at predetermined positions, the sheet materials 11 and 12 can be easily positioned with respect to each other. can do.

  As a result, it is possible to eliminate misalignment when the sheet materials 11 and 12 are attached and an error in the mounting direction.

  The sheet materials 11 and 12 constituting the humidifying filter 31 may have different water absorption amounts. As long as they are made of the same material, as shown in FIG. 1A, the water absorption amount with the sheet material 12 can be made different by cutting out the end portion 11a of the sheet material 11.

  Further, the sheet materials 11 and 12 may have the same shape (surface area), and both may have a notch structure. In this case, the sheet materials 11 and 12 may be made of different materials to have different water absorption amounts.

  Further, when the sheet materials 11 and 12 have the same shape (surface area) and both have a notch structure, the material of the sheet materials 11 and 12 is made the same, the thickness is made different, and the water absorption amount is made different. Good.

  As described above, if the water absorption amounts of the sheet materials 11 and 12 are made different, even if the water content of one of the sheet materials is lost in the humidification filter, the water content of one of the sheet materials remains, so that the humidification performance is significantly reduced. Can be eliminated.

  Further, when the humidifying filter 31 is set in the humidifier and the sheet material 11 is arranged on the downstream side and the sheet material 12 is arranged on the upstream side, the aperture ratio of the sheet material 11 is made smaller than the aperture ratio of the sheet material 12. .. The opening ratio as used herein indicates the roughness of the mesh of the nonwoven fabric forming the sheet material. A large opening ratio means that the mesh is coarse, and a small opening ratio means that the mesh is fine. Therefore, as described above, by making the opening ratios of the sheet materials 11 and 12 different, the humidifying filter 31 not only has a humidifying function, but also collects a large amount of dust in the upstream sheet material 12, The sheet material 11 further collects dust contained in the air that has passed through the sheet material 12.

  The humidification filter 31 is held by the holding frame 30 (support) in a state where the sheet materials 11 and 12 are attached to each other. The holding frame 30 has a hollow disk-shaped structure, and is configured to accommodate and hold the humidifying filter 31 therein. Therefore, in order to clean the humidifying filter 31, it is necessary to take out the humidifying filter from the inside of the holding frame 30.

  The edges of the sheet materials 11 and 12 may be attached by ultrasonic welding or the like. In that case, the sheet materials 11 and 12 are hollow. The central portions of the sheet materials 11 and 12 may also be bonded together by ultrasonic welding or the like. Further, when both the sheet materials 11 and 12 have a structure having a notch, the notch may be bonded by ultrasonic welding or the like.

  In the second embodiment below, by utilizing the structure of the humidification filter 31, the humidification filter 31 is not housed inside like the holding frame 30, but a frame body is inserted inside the humidification filter 31. The structure for promoting the autonomy of the humidification filter 31 will be described.

[Embodiment 2]
The following will describe another embodiment of the present invention. For convenience of description, members having the same functions as those described in the first embodiment will be designated by the same reference numerals, and the description thereof will be omitted.

  As shown in FIG. 5A, the humidifying filter 31 according to the present embodiment includes a support 60 that supports the sheet materials 11 and 12 in a state in which the two sheet materials 11 and 12 are bonded to each other. I have it. That is, as shown in FIG. 5B, the two sheet materials 11 and 12 cover the support 60 in a bonded state.

  The support 60 has a three-dimensional frame structure, and the inside 60a has a hollow structure. As a result, by covering the support 60 with the humidification filter 31, the surface area of the humidification filter 31 can be increased, so that the humidification effect can be enhanced.

  Moreover, since the humidifying filter 31 covers the support 60, it can be easily removed from the support 60.

  Further, when the humidifying filter 31 is set in the humidifier, when the sheet material 11 is on the downstream side and the sheet material 12 is on the upstream side, it is preferable that the opening ratio of the sheet material 11 is smaller than the opening ratio of the sheet material 12. ..

  The structure of the support 60 is not limited to the shape shown in FIG. 5A, and may be any shape that can maintain the humidification filter 31 in three dimensions when the humidification filter 31 is covered. It may have any shape.

  In addition, the inside 60a of the support 60 preferably has a hollow structure so as to pass air in order to vaporize the water contained in the covered humidification filter 31, but it does not have to be a hollow structure.

  Further, the inside 60a of the support 60 may have a hollow structure, and the rotation center 31b of the covered humidifying filter 31 may be opened. The humidification filter 31 is adapted to rotate together with the support 60 by using this opening.

[Embodiment 3]
Hereinafter, an embodiment of the present invention will be described as follows. For convenience of description, members having the same functions as the members described in the above embodiment will be designated by the same reference numerals, and the description thereof will be omitted.

(Outline of humidification control)
In the present embodiment, unlike the humidification filter 31 described in the first and second embodiments, as shown in FIG. 6, a humidification filter 131 formed by folding sheet materials in a bellows shape is used.

  In this embodiment, a humidifier having the same structure as in the first and second embodiments is used except that the humidifying filter 131 is used.

  Since the humidifying filter 131 folds the sheet material into a bellows shape, a plurality of folding lines 131a are formed as shown in FIG.

  Further, in the humidification filter 131, since water is absorbed along the folding line 131a, the amount of water absorption varies depending on the angle formed by the direction in which the folding line 131a extends and the direction parallel to the water surface of the stored water in the water tank 4. For example, the angle formed by the direction in which the folding line 131a extends and the direction parallel to the water surface of the stored water in the water tank 4 is 90° in FIG. 6A, 180° in FIG. 6B, and FIG. (C) indicates 45°. FIG. 7 is a graph showing changes in the amount of humidification over time when the rotation of the humidifying filter 131 is stopped at the angle shown in FIG. Here, the air volume applied to the humidification filter 131 is constant at 6.8 cm.

  From the graph shown in FIG. 7, when the angle formed by the direction in which the folding line 131a extends and the direction parallel to the water surface of the stored water in the water tank 4 is 90°, the humidification amount is the largest, and when the angle is 180°, the humidification is the largest. You can see that the quantity is small.

(effect)
From the above, by adjusting the angle (hereinafter, referred to as a humidification control angle) formed by the direction in which the folding line 131a extends in the humidification filter 131 and the direction parallel to the water surface of the stored water in the water tank 4, the humidification is performed. It turns out that the amount can be controlled.

  For example, FIG. 8 is a graph showing the humidification control of the present embodiment, and FIG. 9 is a graph showing the conventional humidification control for comparison with FIG.

  It can be seen from the graph shown in FIG. 9 that the fluctuation is large with respect to the indoor target humidity and unnecessary humidification is often performed. Here, the air volume is constant. In this case, when the target humidity is reached, the rotation of the humidification filter is stopped, but even if the rotation is stopped, the humidification does not stop immediately due to the water content contained in the humidification filter. Also, when the humidity falls below the target humidity, the rotation of the humidification filter is started, but it takes time for the humidification filter to contain water, and therefore it takes time for humidification. As described above, in the conventional humidification control, even if the target humidity is set, there are times when the target humidity is exceeded or the target humidity is decreased, and the humidity control cannot be appropriately performed.

  On the other hand, from the graph shown in FIG. 8, it can be seen that the humidity control is performed with little fluctuation with respect to the indoor target humidity. Here again, the air volume is constant. In this case, since the rotation of the humidification motor for rotating the humidification filter 131 can be kept to a minimum, it is possible to reduce noise due to the driving sound of the humidification motor. Moreover, since the rotation of the humidifying motor is minimum, it is possible to suppress the power consumption for driving the humidifying motor.

  Moreover, since it is sufficient to control the amount of humidification only by adjusting the rotation angle of the humidifying filter 131, the amount of air applied to the humidifying filter 131 may be constant, so that the amount of air is adjusted to adjust the amount of humidification as in the conventional case. Since it is not necessary to increase or decrease more than necessary, it is possible to reduce noise caused by the fan for blowing air. Therefore, the noise during the humidifying operation of the humidifier can be significantly reduced as compared with the conventional machine.

  The humidification control mechanism for realizing the humidification control by the rotation control of the humidification filter 131 will be described below.

(Humidification control device)
FIG. 10: is a figure which shows the support structure of the humidification filter unit for implement|achieving the humidification control of the humidifier which concerns on this embodiment.

  As shown in FIG. 10, the humidifier includes a position detector 7 that detects that the humidification filter 131 is at a predetermined rotation position (rotation positions shown in (a) to (c) of FIG. 6). .. In the position detector 7, as shown by the chain double-dashed line in FIG. It is configured to output a detection signal when in the uppermost position. The position detector 7 can be configured by, for example, a combination of a magnet as the detector and a proximity switch.

  The detection signal of the position detector 7 is given to a control unit (humidification control unit) 8 for operation control. The control unit 8 shown as a block in FIG. 10 is a computer including a CPU, a ROM, and a RAM, and performs an operation to give an operation command to the drive unit 5 according to a driving operation by a user and drive and control these.

  When the drive unit 5 is driven, the humidification filter unit 3 rotates, and as described above, the stored water in the water tank 4 is absorbed by the humidification filter 131 in the holding frame 30 and lifted by the rotation of the holding frame 30. It spreads over the entire humidification filter 131. Therefore, the air flowing as described above comes into contact with the humidifying filter 131 containing water, becomes humid air containing vaporized water, and is sent out of the apparatus to humidify the room in which the humidifier is installed. That is, the ventilation from one surface of the holding frame 30 to the other surface is brought into contact with the humidification filter 131 that contains the stored water in the water tank 4 and rotates together with the holding frame 30, so that the moist air containing the vaporized water is supplied to the other surface side. And humidify the room where the humidifier is installed.

  Here, the angle formed by the direction of the fold line 131a of the humidification filter 131 and the direction parallel to the water surface L of the stored water in the water tank is set to any one of (a) to (c) of FIG. Moreover, by stopping the rotation of the humidification filter unit 3, a desired amount of humidification can be obtained. By controlling the rotation angle of the humidification filter unit 3, it is possible to perform humidification control in the room where the humidifier is installed. The rotation angle may be controlled not only by using the position detector 7 but also by the rotation time, or by another method as long as it is a method of controlling so as to obtain an appropriate amount of humidification. Good.

  When the humidifier stops the humidifying operation, the control unit 8 refers to the detection signal of the position detector 7 and stops the driving of the drive unit 5 at the timing when the detection signal is input. As a result, the humidification filter unit 3 stops at the rotation position shown in FIG. This rotation position is a position where the detector provided on the closing portion 35 of the holding frame 30 as described above is the lowest position on the rotation circumference of the holding frame 30, and the humidification filter unit 3 is, as shown in FIG. Most of the bow-shaped chords of the closing portion 35 are positioned above the water level (inner water level L) of the stored water in the water tank 4 and stop in an inclined posture with respect to the water level.

  As described above, the humidification filter 131 housed inside the holding frame 30 has a folding line that is substantially parallel to the chord of the arcuate closing portion 35, and when the humidification filter unit 3 is stopped, the humidification filter 131. The fold line 131a, which is the fold line of 131, is also inclined with respect to the surface of the stored water, that is, the horizontal direction.

  In addition, in FIG. 10, a part of the strings of the closing portion 35 is below the water surface of the stored water when the holding frame 30 is stopped, but all the strings of the closing portion 35 are above the water surface of the stored water. It is also possible to stop the holding frame 30 at such a rotation position, which is more effective because there is no suction of water from the humidification filter 131 after the rotation is stopped.

  In a fourth embodiment below, a configuration will be described in which the humidifying filter prevents contact with the stored water when the humidifying operation is not performed in the humidifier.

[Embodiment 4]
Another embodiment of the present invention will be described below. For convenience of description, members having the same functions as the members described in the above embodiment will be designated by the same reference numerals, and the description thereof will be omitted.

  FIG. 11 shows a schematic configuration of the humidification filter, (a) shows the humidification filter 131 used in the third embodiment, and (b) shows the humidification filter 231 of the present embodiment.

  In the third embodiment, as shown in FIG. 11A, the center of the circle of the humidification filter 131 is the center of rotation, but in the present embodiment, as shown in FIG. The filter 231 has a rotation center at a position deviated from the center of the circle. With respect to this rotation center, when the rotation of the humidification filter 231 is stopped, a portion having the shortest distance from the rotation center to the end of the humidification filter 231 faces the water surface of the stored water, and the humidification filter 231 It is formed at a position where it does not soak in the stored water.

  That is, when the center of the circle is set as the rotation center as in the humidification filter 131 of FIG. 11A, as shown in FIG. 10 of the third embodiment, as shown in FIG. If a part of the humidification filter 131 is below the surface of the stored water, the humidification filter 131 will not be submerged in the stored water, but if the holding frame 30 does not have the closing portion 35, the humidification filter 131 is not formed. 131 is immersed in the stored water. In that case, a part of the humidifying filter 131 is cut so that the humidifying filter 131 does not soak in the stored water after the rotation is stopped.

  On the other hand, like the humidification filter 231 of FIG. 11B, if the position displaced from the center of the circle is the rotation center, the distance from the rotation center of the humidification filter 231 to the end surface of the circle is the largest. If the rotation of the humidification filter 231 is stopped so that the short portion is at the bottom, the humidification filter 231 will not be submerged in the stored water.

  In the case of the humidification filter 131 shown in FIG. 11A, the ring gear portion 32 formed on the outer peripheral surface of the holding frame 30 is rotated by meshing with the drive gear 52 (FIG. 10) of the drive unit 5. 11, in the case of the humidification filter 231 shown in FIG. 11B, the ring gear portion 132 is formed around the center of rotation, not on the outer peripheral surface of the holding frame 30, so as to mesh with the drive gear 52 (FIG. 10) of the drive unit 5. It is rotated by doing.

  The ring gear portion 132 may be formed on the outer peripheral surface of the holding frame 30 of the humidification filter 231 shown in FIG. In this case, the drive unit 5 itself shown in FIG. 10 is moved in the vertical direction to follow the rotation of the humidification filter 231.

  As described above, in order to prevent the humidification filter 231 from being immersed in the stored water after the rotation is stopped, a part of the humidification filter 231 is not cut, and the rotation center of the humidification filter 231 is simply shifted from the center of the circle. Since the surface area is not reduced by cutting a part of the humidification filter 231, the humidification performance is not deteriorated.

  Moreover, since the rotation center of the humidifying filter is only shifted, the humidifying filter can be produced more easily than cutting a part of the humidifying filter.

  In the present embodiment, as shown in FIG. 11B, an example in which the rotation center of the circular humidification filter 231 is shifted has been described, but the shape of the humidification filter is not circular but may be elliptical. Good.

[Summary]
The humidifying filter according to the first aspect of the present invention is a humidifying filter 31 mounted on a humidifier, and is composed of two sheet materials 11 and 12 that are detachably attached to each other. , 12 are attached to each other, and a support body (holding frame 30, support body 60) that supports the sheet materials 11 and 12 is provided.

  According to the above configuration, when the humidification filter is cleaned, the sheet materials 11 and 12 can be separated and the front surface and the back surface of each sheet material can be washed with water, so that impurities attached to the humidification filter can be sufficiently washed with water. Can be removed.

  Here, since the humidifying filter has a structure in which two sheet materials are removably bonded to each other, it is difficult to stand by itself unless the sheet material has a certain thickness or strength, but it is necessary to provide the support as described above. Therefore, the sheet material does not need to be so thick or strong. That is, it is possible to use a soft material that can be kneaded and washed as the sheet material. Thus, by rubbing and washing the sheet material, impurities attached to the humidifying filter can be sufficiently removed only by washing with water.

  In the humidification filter according to the second aspect of the present invention, in the first aspect, the two sheet materials 11 and 12 may cover the support body 60 in a bonded state.

  According to the above configuration, the humidification filter covers the support, so that the humidification filter can be easily removed from the support 60.

  In the humidification filter according to the third aspect of the present invention, in the second aspect, the support 60 preferably has a three-dimensional frame structure.

  According to the above configuration, the surface area of the humidifying filter covered with the support can be increased, and thus the humidifying performance can be improved.

  A humidification filter according to aspect 4 of the present invention is the humidification filter according to any one of aspects 1 to 3, wherein an end 11a of at least one of the two sheet materials 11 and 12 is cut out. Is preferred.

  According to the above configuration, when the sheet material 11 and the sheet material 12 are attached to each other, it is possible to easily grasp the orientation of the sheet material 11 only by checking the presence or absence of the cutout. You can In addition, when the sheet material 11 and the sheet material 12 are attached to each other, since the end portions of the sheet material 11 are cut out, it is easy to peel the sheet material 11 from the sheet material 12 or the sheet material 12 from the sheet material 11. Become.

  A humidifier according to a fifth aspect of the present invention includes a humidifying filter 131 formed by folding a sheet material into a bellows shape, and a disc-shaped holding frame 30 that houses and holds the humidifying filter 131 and rotates about a horizontal axis. And a water tank 4 arranged so that the lower part of the holding frame 30 is immersed, and the ventilation from one surface of the holding frame 30 to the other surface is rotated together with the holding frame 30 including the stored water in the water tank 4. In the humidifier configured to contact the humidifying filter 131 and send out moist air containing vaporized water to the other surface side, in the direction of the fold line 131a of the humidifying filter 131 and the water level L of the stored water in the water tank 4. It is characterized by including a humidification control unit (control unit 8) for controlling the amount of humidification by adjusting an angle formed with a direction parallel to the.

  Here, since the humidification filter is made of a sheet material that is folded in a bellows shape, the water absorption amount of the humidification filter depends on the angle formed by the direction of the fold line of the humidification filter and the direction parallel to the water surface of the stored water. Change. By utilizing this, the humidification control unit can control the humidification amount by adjusting the angle formed by the direction of the folding line of the humidification filter and the direction parallel to the water surface of the stored water in the water tank.

  Thereby, the amount of humidification can be easily controlled only by adjusting the rotation angle of the humidification filter.

  In the humidifier according to the sixth aspect of the present invention, in the fifth aspect, the humidification control unit (control unit 8) may control the humidification amount by keeping the air volume of the ventilation constant.

  According to the above configuration, since the air volume for ventilation can be made constant during the humidification control, the rotation speed of the ventilation fan for ventilation can be made constant. As a result, it is possible to reduce the increase and decrease in power consumption and noise caused by the change in the rotation speed of the blower fan.

  In the humidifier according to the seventh aspect of the present invention, in the fifth or sixth aspect, when the shape of the humidification filter 231 is a circle, the rotation center of the humidification filter 231 may be at a position displaced from the center of the circle. ..

  According to the above configuration, when the rotation of the humidification filter 231 is stopped, the humidification filter 231 can be prevented from being immersed in the stored water.

  In the humidifier according to the eighth aspect of the present invention, in the seventh aspect, the rotation center of the humidification filter 231 has a distance from the rotation center to the end of the humidification filter 231 when the rotation of the humidification filter 231 is stopped. The shortest part may face the water surface of the stored water, and the humidification filter 231 may be formed at a position where it does not soak in the stored water.

  According to the above configuration, when the rotation of the humidifying filter 231 is stopped, the humidifying filter 231 can be surely prevented from being immersed in the stored water.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the claims, and the embodiments obtained by appropriately combining the technical means disclosed in the different embodiments. Is also included in the technical scope of the present invention. Furthermore, new technical features can be formed by combining the technical means disclosed in each of the embodiments.

1 Housing 1a Partition 1b Suction chamber 1c Discharge chamber 1d Opening 2 Blower fan 3 Humidification filter unit 4 Water tank 5 Drive unit 6 Support roller 7 Position detector 8 Control part (humidification control part)
11 sheet material 11a end part 12 sheet material 13a, 13b attaching/detaching member 14 rear panel 15 intake port 16 air supply port 17 deodorizing filter 18 dust collecting filter 19 guide part 20 impeller 21 fan motor 30 holding frame 31 humidifying filter 31a one end part 32 Ring gear portion 34 Rib 35 Closing portion 41 Water tank 42 Water tap 43 Protrusion 50 Base 51 Transmission gear 52 Drive gear 53 Drive motor 60 Support 60a Inside 131 Humidification filter 132 Ring gear portion 231 Humidification filter L Water surface

Claims (1)

A humidifying filter formed by folding sheet materials into a bellows shape, a disk-shaped holding frame that houses and holds the humidifying filter, and rotates around a horizontal axis, and a water tank arranged so that the lower portion of the holding frame is immersed. And holding the aeration from one surface of the holding frame to the other surface to contact with the humidification filter that rotates with the holding frame containing the stored water in the water tank, and sends out humid air containing vaporized water to the other surface side. In the humidifier configured as follows,
A fold line direction of the humidification filter and a humidification control unit that controls an amount of humidification by adjusting an angle formed by a direction parallel to the water surface of the stored water in the water tank,
The humidifying filter is a circle, and the rotation center of the humidifying filter is displaced from the center of the circle.

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