Humidifying filter unit, humidifier, and holding member

Abstract

To provide a humidification filter unit capable of improving the degree of freedom for product design.SOLUTION: A humidification filter unit is arranged above a water tank so that part thereof is immersed in water stored in the water tank of a humidifier, and rotates in such a manner that the portion immersed in the water changes. The humidification filter unit includes: a humidification filter; a first storage part where one side in a rotation direction opens, and which can store water; and a second storage part where the other side in the rotation direction opens, and which can store water. In the case where the rotation direction of the humidification filter unit is a first rotation direction toward one side, the first storage part repeats storage of water and supply of the stored water to the humidification filter according to the rotation, and in the case where the rotation direction of the humidification filter unit is a second rotation direction toward the other side, the second storge part repeats storage of water and supply of the stored water to the humidification filter according to the rotation.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a humidifying filter unit, a humidifier, and a holding member. [Background technology]

[0002] The humidifying device described in Patent Document 1 includes a humidifying structure, an air blowing means, and a water supplying means. The humidifying structure humidifies air. The humidifying structure is disk-shaped. The air blowing means blows air toward the humidifying structure. The water supplying means supplies water to the humidifying structure. The water supplying means is a ladle. The ladle is arranged along the outer peripheral side surface of the humidifying structure. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2005-282980 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the humidifier described in Patent Document 1, the ladle is attached to the outer peripheral side of the humidifying structure, which means that the outer diameter of the humidifying filter unit, like the humidifying structure, is large. Therefore, depending on the size of the product, it may not be possible to install the humidifying filter unit. In other words, the degree of freedom in product design is reduced.

[0005] The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a humidifying filter unit and a humidifier that can improve the degree of freedom in product design. [Means for solving the problem]

[0006] According to one aspect of the present invention, a humidifying filter unit is placed above a water tank of a humidifier device so that a portion of the humidifying filter unit is immersed in the water stored in the water tank, and rotates so that the portion immersed in the water changes, and comprises a humidifying filter, a first storage section that is open on one side in the rotation direction and is capable of storing water, and a second storage section that is open on the other side in the rotation direction and is also capable of storing water, and when the rotation direction of the humidifying filter unit is a first rotation direction toward the one side, the first storage section repeatedly stores water and supplies the stored water to the humidifying filter as it rotates, and when the rotation direction of the humidifying filter unit is a second rotation direction toward the other side, the second storage section repeatedly stores water and supplies the stored water to the humidifying filter as it rotates.

[0007] According to another aspect of the present invention, a humidifier includes the humidifying filter unit described above and the water tank for storing water. According to another aspect of the present invention, a holding member is used in the humidifying filter unit described above. [Effects of the Invention]

[0008] The humidifying filter unit, humidifier, and holding member of the present invention can improve the degree of freedom in product design. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a diagram showing a humidifier according to a first embodiment of the present invention. [Figure 2] FIG. 2 is a cross-sectional view of the humidifier taken along line II-II in FIG. [Figure 3] 2 is an enlarged view of a humidifying filter unit of the humidifier shown in FIG. 1. FIG. [Figure 4] FIG. 2 is a diagram schematically illustrating a supply unit of the humidifier according to the first embodiment of the present invention. [Figure 5] 1 is a diagram showing a humidifying filter unit according to a first embodiment. FIG. [Figure 6] FIG. 6 is an enlarged view of a humidifying filter unit of a humidifier according to a second embodiment of the present invention. [Figure 7]FIG. 10 is a diagram showing a humidifying filter unit according to a second embodiment. [Figure 8] FIG. 10 is a diagram showing a humidifying filter unit according to a third embodiment. [Figure 9] FIG. 10 is a diagram showing a humidifying filter unit according to a first modified example of the third embodiment. [Figure 10] FIG. 10 is a diagram showing a humidifying filter unit according to a second modification of the third embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0010] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts are designated by the same reference numerals, and description thereof will not be repeated. For convenience of explanation, a three-dimensional Cartesian coordinate system (X, Y, Z) is appropriately depicted in the drawings. In the drawings, the X-axis and Y-axis are parallel to the horizontal direction, and the Z-axis is parallel to the vertical direction.

[0011] [Embodiment 1] A humidifier 100 according to an embodiment of the present invention will be described with reference to Figures 1 to 5. First, the humidifier 100 will be described with reference to Figures 1 to 3. The humidifier 100 humidifies air by evaporation.

[0012] FIG. 1 is a diagram showing a humidifier 100 according to this embodiment. As shown in FIG. 1, the humidifier 100 comprises a housing 1 and an operation panel 3. The housing 1 has, for example, a substantially rectangular parallelepiped shape. The operation panel 3 is arranged on the top surface 1a of the housing 1. The operation panel 3 receives inputs for operating the humidifier 100 and notifies the user of the status of the humidifier 100. The humidifier 100 has an air outlet 5 for blowing out air. The air outlet 5 is arranged on the top surface 1a of the housing 1.

[0013] Fig. 2 is a cross-sectional view taken along line II-II in Fig. 1. Fig. 2 shows a side cross-sectional view of the humidifier 100. In Fig. 2, the air flow is indicated by white arrows. Fig. 3 is an enlarged view of the humidifying filter unit 13 of the humidifier 100 shown in Fig. 1.

[0014] 2, the humidifier 100 further includes a deodorizing filter 9, a dust collecting filter 11, a humidifying filter unit 13, a rotating shaft 15, a pair of shaft supports 17, a water tank 19, a drive mechanism 21, a blower 23, and a detection unit 30. The housing 1 accommodates the deodorizing filter 9, the dust collecting filter 11, the humidifying filter unit 13, the rotating shaft 15, the pair of shaft supports 17, the water tank 19, the drive mechanism 21, the blower 23, and the detection unit 30. The humidifier 100 also has a plurality of intake ports 7 for drawing in air. The intake ports 7 are arranged on the rear surface 1b of the housing 1.

[0015] As shown in FIG. 2, the detection unit 30 detects the rotational position of the humidifying filter unit 13. Specifically, the detection unit 30 detects the rotation of the humidifying filter unit 13 by detecting a detectable member, which will be described later. In this embodiment, the detection unit 30 is a Hall element that detects magnetism. The Hall element outputs a signal indicating the approach of a magnet that generates magnetism, at a time interval corresponding to the rotational speed of the humidifying filter unit 13. The detection unit 30 is attached to the side of the storage unit that stores the water tub 19.

[0016] Fan 23 introduces air through the plurality of air inlets 7. Fan 23 then blows out the air from air outlet 5. Therefore, an air passage PS that connects the plurality of air inlets 7 and air outlet 5 is formed inside housing 1. Specifically, fan 23 includes fan 23a and fan motor 23b. Fan motor 23b drives fan 23a to rotate it.

[0017] The deodorizing filters 9 adsorb odorous components in the air. Examples of odorous components include acetaldehyde, ammonia, and acetic acid. The deodorizing filters 9 are arranged opposite the multiple air intake ports 7. The deodorizing filters 9 have a configuration in which activated carbon is dispersed in a nonwoven fabric, for example, and adsorb or remove odorous components in the air.

[0018] The dust collection filter 11 captures or removes fine dust particles in the air. The dust collection filter 11 is disposed opposite the plurality of intake ports 7 via the deodorizing filter 9. The dust collection filter 11 is, for example, a HEPA (High Efficiency Particulate Air) filter.

[0019] Humidifying filter unit 13 is disposed on air passage PS and is rotatable about rotation axis AX. As shown in Figures 2 and 3, humidifying filter unit 13 includes a holder 131, a humidifying filter 133, a supply unit 140, and a detected member 301.

[0020] The detectable member 301 is detected by the detector 30. The detectable member 301 is a magnet. The detectable member 301 is held by the holder 131. The detectable member 301 is placed at approximately the same position as the supply unit 140 is placed.

[0021] The holder 131 holds the humidifying filter 133 and the supply unit 140. The holder 131 has a substantially disk shape and is made of, for example, synthetic resin.

[0022] The humidifying filter 133 is disposed in the air passage PS downstream of the air inlet 7, the deodorizing filter 9, and the dust collecting filter 11. Specifically, the humidifying filter 133 is disposed between the blower 23 and the air inlet 7.

[0023] The supply unit 140 supplies water to the humidifying filter 133 .

[0024] Water tub 19 is arranged at the bottom of housing 1 in correspondence with humidifying filter 133. Water tub 19 stores water W to be supplied to humidifying filter 133. Water tub 19 is made of, for example, synthetic resin. A portion of humidifying filter 133 is located within water tub 19 and immersed in the water W of water tub 19. Specifically, when water W at a predetermined water level LV is stored in water tub 19, a portion of humidifying filter 133 is located within water tub 19 and immersed in the water W of water tub 19.

[0025] The rotating shaft 15 passes through the humidifying filter unit 13. The rotating shaft 15 is fixed to the rotation center of the humidifying filter unit 13. Specifically, the rotating shaft 15 is fixed to the rotation center of the holding portion 131. In other words, the rotating shaft 15 is disposed on the rotation axis AX. The rotating shaft 15 has a substantially cylindrical shape.

[0026] The pair of shaft support portions 17 support the rotary shaft 15 so as to be rotatable about the rotation axis AX. In other words, the pair of shaft support portions 17 support the humidifying filter unit 13 via the rotary shaft 15 so as to be rotatable about the rotation axis AX.

[0027] Specifically, the pair of shaft support portions 17 extend upward from the upper portions of the pair of side walls of the water tank 19. Each of the pair of shaft support portions 17 includes, for example, a U-shaped or circular support member 17a. The pair of supports 17a rotatably support the rotating shaft 15. The support members 17a may be, for example, bearings.

[0028] Alternatively, the rotating shaft 15 may be fixed to a pair of shaft supports 17. In this case, the rotating shaft 15 supports the humidifying filter unit 13 so that it can rotate freely around the rotation axis AX. In other words, the rotating shaft 15 rotatably supports the holding part 131. In this case, it is preferable that the holding part 131 has a bearing at the center of rotation.

[0029] The drive mechanism 21 abuts against the peripheral edge of the humidifying filter unit 13 to rotate the humidifying filter unit 13. Specifically, the drive mechanism 21 includes a drive gear 21a and a motor 21b. The rotation axis of the drive gear 21a is substantially parallel to the rotation axis AX. The motor 21b drives the drive gear 21a to rotate the drive gear 21a.

[0030] On the other hand, the holder 131 includes a circular frame 131a and a ring gear 131x. The ring gear 131x is formed circumferentially on the outer peripheral surface 1311 of the frame 131a. The ring gear 131x meshes with the drive gear 21a. Therefore, when the drive gear 21a is rotated by the motor 21b, the holder 131 rotates about the rotation axis AX. As a result, the humidifying filter 133 rotates about the rotation axis AX together with the holder 131. In other words, when the drive gear 21a is rotated by the motor 21b, the humidifying filter unit 13 rotates about the rotation axis AX.

[0031] It should be noted that drive mechanism 21 may include a roller instead of drive gear 21a. Furthermore, as long as humidifying filter unit 13 is rotatable about rotation axis AX, humidifier 100 does not have to include rotation shaft 15. For example, multiple rotating bodies may be arranged inside water tub 19, and the multiple rotating bodies may rotatably support humidifying filter unit 13.

[0032] Continuing to refer to FIGS. 2 and 3, the humidifying filter unit 13 will be described in detail.

[0033] As shown in FIGS. 2 and 3, the holding portion 131 includes a frame body 131a, a shaft insertion portion 131d, and a storage portion 131e.

[0034] Frame 131a has a circular shape. Frame 131a covers edge EG1 of humidifying filter 133 and is positioned outside humidifying filter 133. Frame 131a also covers edge EG3 of supply unit 140 and is positioned outside edge EG3 of supply unit 140. In other words, frame 131a holds humidifying filter 133. Frame 131a is positioned outside the first holding portion and the second holding portion.

[0035] The frame body 131a includes a plurality of first reinforcing members 131b, second reinforcing members 131c, and a shaft insertion portion 131d. The plurality of first reinforcing members 131b extend radially from the shaft insertion portion 131d and are connected to the frame body 131a. As a result, the frame body 131a is reinforced by the plurality of first reinforcing members 131b.

[0036] The second reinforcing member 131c has a substantially annular shape and connects the plurality of first reinforcing members 131b together, so that the plurality of first reinforcing members 131b are reinforced by the second reinforcing member 131c.

[0037] The shaft insertion portion 131d has a substantially cylindrical shape and is inserted into the through-hole 133c of the humidifying filter 133. The rotating shaft 15 (FIG. 2) is inserted into the shaft insertion portion 131d. In this embodiment, the rotating shaft 15 is fixed to the shaft insertion portion 131d. Alternatively, the rotating shaft 15 may not be fixed to the shaft insertion portion 131d, and the shaft insertion portion 131d may have a bearing.

[0038] The storage unit 131e stores the supply unit 140. The storage unit 131e has a non-circular shape. In this embodiment, the storage unit 131e has a substantially D-shape when viewed from the front. In this embodiment, a front view refers to viewing the object from the direction in which the rotation axis AX (FIG. 2) extends. Specifically, with respect to the shape of the storage unit 131e, the term "non-circular shape" includes straight lines and curved lines. In other words, the storage unit 131e has a substantially flat plate shape and a substantially arcuate shape. When the humidifier 100 is not operating, the storage unit 131e is disposed in a position where it is housed in the water tub 19 (FIG. 2). As a result, when the humidifier 100 is not operating, the humidifying filter 133 is not immersed in the water W. The storage unit 131e has the supply unit 140 and the detected member 301 disposed therein. The storage unit 131e is disposed at a position different from the humidifying filter 133 and inside the frame 131a.

[0039] Humidifying filter 133 is water-absorbent and breathable. That is, humidifying filter 133 absorbs water from water tank 19 and allows air to pass through. When air passes through humidifying filter 133 that has absorbed water, the air is humidified. In other words, humidifying filter 133 functions as an evaporation filter. Humidifying filter 133 is disposed inside frame 131a.

[0040] As shown in FIG. 3, humidifying filter 133 is disposed around rotation axis AX (FIG. 2). Humidifying filter 133 rotates around rotation axis AX. A portion of humidifying filter 133 is immersed in water W in water tank 19. Fan 23 blows air from the room in which humidifier 100 is installed toward water-absorbing humidifying filter 133 through intake port 7. As a result, the water absorbed in humidifying filter 133 evaporates. Fan 23 then blows the air containing the evaporated water from outlet 5 toward the room in which humidifier 100 is installed. As a result, the air in the room is humidified.

[0041] In this embodiment, the humidifying filter 133 has a pleated structure. Specifically, the humidifying filter 133 has a shape in which a sheet material is folded in an accordion-like manner. That is, the humidifying filter 133 has a zigzag shape in a side cross-sectional view. As a result, the surface area of ​​the humidifying filter 133 increases, resulting in a high water content. In this embodiment, the side cross-sectional view indicates a cross section of the object viewed from a direction perpendicular to the rotation axis AX (FIG. 2) and parallel to the horizontal direction. Note that the humidifying filter 133 does not have to be accordion-shaped and can have other shapes as long as it has water absorption and ventilation properties. For example, the humidifying filter 133 may have a honeycomb structure.

[0042] The shape of humidifying filter 133 is non-circular. In this embodiment, humidifying filter 133 has a substantially D-shape when viewed from the front. With respect to the shape of humidifying filter 133, the term "circular shape" includes straight lines and curved lines. In other words, the circular shape may be a substantially perfect circle or a substantially ellipse, as long as it includes straight lines and curved lines.

[0043] When the curved edge EG1 of humidifying filter 133 is located at the lowest position, edge EG1 is immersed in the water W of aquarium 19. In other words, humidifying filter 133 absorbs water. When the straight edge EG2 of humidifying filter 133 is located at the lowest position and is approximately parallel to the water surface of aquarium 19, edge EG2 is not immersed in the water W of aquarium 19. In other words, humidifying filter 133 does not absorb water.

[0044] Specifically, the humidifier 100 is in a non-operating state when the detection unit 30 detects the detected member 301. When the humidifier 100 is in a non-operating state, the supply unit 140 is located at a position where it is housed in the water tank 19 (FIG. 2). As a result, when the humidifier 100 is not operating, the humidifying filter 133 is not immersed in the water W and is not humidified.

[0045] Supply unit 140 draws water from water tank 19 and supplies it to humidifying filter 133. Humidifying filter 133 not only absorbs water stored in water tank 19, but is also supplied with water from supply unit 140. As shown in FIG. 3, supply unit 140 is held in holder 131 together with humidifying filter 133. Specifically, supply unit 140 is housed inside housing 131e. Therefore, supply unit 140 and humidifying filter 133 can be disposed in holder 131 without increasing the outer diameter of holder 131. In other words, supply unit 140 can be disposed on humidifying filter 133 using space that would not normally be used for humidification. As a result, the degree of freedom in product design can be improved.

[0046] Furthermore, the storage section 131e accommodates the detectable member 301. The supply section 140, the humidifying filter 133, and the detectable member 301 are arranged inside the outer edge of the holding section 131. Therefore, the supply section 140, the humidifying filter 133, and the detectable member 301 can be arranged in the holding section 131 without increasing the outer diameter of the holding section 131. In other words, the supply section 140 and the detectable member 301 can be arranged in the empty space of the storage section 131e. This makes it easy to arrange the supply section 140 and the detectable member 301 in products of various sizes. As a result, the degree of freedom in product design is improved. Furthermore, because the detectable member 301 is arranged in the storage section 131e, the rotation of the humidifying filter unit 13 can be stopped when the storage section 131e enters the water tub 19. Therefore, when humidification is not being performed, the humidifying filter 133 does not absorb water, thereby reducing humidification.

[0047] Next, the supply unit 140 will be described in detail with reference to Figures 3 and 4. Figure 4 is a diagram showing a schematic view of the supply unit 140.

[0048] The shape of the supply unit 140 includes a portion of a substantially circular shape. In this embodiment, the supply unit 140 has a substantially D-shape when viewed from the front. With respect to the shape of the supply unit 140, the "circular shape" includes straight lines and curved lines. In other words, the circular shape may be a substantially perfect circle or a substantially ellipse, as long as it includes straight lines and curved lines.

[0049] When the curved edge EG3 of the supply unit 140 is at its lowest position, the edge EG3 is immersed in the water W of the water tub 19. In other words, when the curved edge EG3 of the supply unit 140 is at its lowest position, the supply unit 140 pumps up water. When the straight edge EG4 of the supply unit 140 is at its highest position and is approximately parallel to the water surface of the water tub 19, the supply unit 140 supplies water to the humidifying filter 133.

[0050] As shown in FIGS. 3 and 4, the supply unit 140 includes a storage unit 141, a pumping port 145, a discharge port 144, and a switching unit 142.

[0051] The storage section 141 stores water pumped up from the pumping port 145. The storage section 141 has a cylindrical shape with one open end and the other closed end. The storage section 141 has a first side plate 241, a second side plate 242, a third side plate 243, a fourth side plate 244, and a flange portion 245. The first side plate 241 and the third side plate 243 have sides that extend along the edge EG3 of the supply section 140. The second side plate 242 has a surface that extends along the edge EG3 of the supply section 140. The fourth side plate 244 has a surface that extends along the edge EG4 of the supply section 140. The flange portion 245 extends from the first side plate 241, the second side plate 242, the third side plate 243, and the fourth side plate 244. The flange portion 245 surrounds the opening 143.

[0052] The outlet 144 discharges water from the storage unit 141. As shown in FIG. 3, the outlet 144 faces the humidifying filter 133. Therefore, as shown in FIG. 3, when the edge EG4 on the straight side of the supply unit 140 is located at the uppermost position and is approximately parallel to the water surface of the water tub 19, the outlet 144 discharges water. The discharged water is absorbed by the humidifying filter 133. In other words, water is supplied to the humidifying filter 133. That is, the humidifying filter 133 not only absorbs water from the water tub 19, but also absorbs water discharged from the outlet 144. As a result, the humidifying filter 133 can be prevented from drying out excessively.

[0053] The pumping port 145 pumps up water from the water tank 19. Specifically, when the supply unit 140 is located inside the water tank 19, the pumping port 145 pumps up water from the water tank 19. As shown in FIG. 3 , the pumping port 145 is positioned radially outward from the discharge port 144 with respect to the rotation axis AX. In other words, the pumping port 145 is positioned inside the holding unit 131 and near the outer edge of the holding unit 131. Therefore, when the pumping port 145 is located inside the water tank 19, the pumping port 145 is positioned near the bottom of the water tank 19. As a result, the pumping port 145 can pump up water from the water tank 19 even if the water level in the water tank 19 drops.

[0054] Switching unit 142 switches the state of storage unit 141 between a state in which storage unit 141 and outlet 144 are in communication with each other and a state in which storage unit 141 and outlet 144 are not in communication with each other. When storage unit 141 and outlet 144 are in communication with each other, water stored in storage unit 141 is discharged from outlet 144. When storage unit 141 and outlet 144 are not in communication with each other, water stored in storage unit 141 is not discharged from outlet 144. In other words, switching unit 142 switches between a state in which supply unit 140 supplies water to humidifying filter 133 and a state in which supply unit 140 does not supply water to humidifying filter 133. For example, when supply unit 140 is located at the uppermost position, switching unit 142 can switch supply unit 140 to a state in which storage unit 141 and outlet 144 are in communication with each other. That is, water stored in reservoir 141 cannot be discharged from outlet 144 until supply unit 140 is positioned at the uppermost position. Therefore, water can be discharged from outlet 144 to humidifying filter 133 at a position suitable for supplying water to humidifying filter 133. As a result, excessive drying of humidifying filter 133 can be further prevented.

[0055] The switching unit 142 has a rotation shaft 142A and a rotation plate 142B. The rotation shaft 142A rotatably supports the rotation plate 142B. An end of the rotation shaft 142A is fixed to the holding unit 131.

[0056] The rotating plate 142B rotates around the rotation axis of the rotating shaft 142A. Specifically, the rotating plate 142B rotates in a direction approaching the opening 143 and a direction moving away from the opening 143.

[0057] When rotating plate 142B rotates in a direction approaching opening 143, discharge opening 144 becomes narrower. When rotating plate 142B rotates in a direction away from opening 143, discharge opening 144 becomes wider. Note that when rotating plate 142B rotates in a direction approaching opening 143 and rotating plate 142B and opening 143 come into contact with each other, opening 143 may be closed.

[0058] Next, the humidifying filter unit 13 of the first embodiment will be described in more detail with reference to Figures 3 to 5. Figure 5 is a diagram showing the humidifying filter unit 13 of the first embodiment. Figure 5 shows the operation of the supply unit 140 up to the point where the pumped water is supplied to the humidifying filter 133. As shown in Figure 5, the drive mechanism 21 of the first embodiment rotates the humidifying filter unit 13 in a first rotation direction R1. Furthermore, the opening 143 of the storage unit 141 opens toward the first rotation direction R1.

[0059] 5 shows a first rotation state RA, a second rotation state RB, and a third rotation state RC of humidifying filter unit 13. In first rotation state RA, supply unit 140 is located inside water tank 19 (see FIG. 3). In first rotation state RA, water from water tank 19 (see FIG. 3) flows into reservoir 141 from pumping port 145.

[0060] In the first rotation state RA, the switching unit 142 receives water pressure in the direction opposite to the first rotation direction R1. Therefore, the switching unit 142 switches the state of the storage unit 141 to a state where the storage unit 141 and the outlet 144 are not in communication with each other. In the first rotation state RA, the humidifying filter 133 is not located inside the water tub 19 (see FIG. 3).

[0061] The second rotation state RB indicates a state in which the holding unit 131 has rotated a predetermined angle in the first rotation direction R1 from the first rotation state RA. The second rotation state RB is a state in which the supply unit 140 is located outside the water tank 19. In the second rotation state RB, the storage unit 141 is located outside the water tank 19, and water is stored in the storage unit 141.

[0062] In the second rotation state RB, the switching unit 142 maintains a state in which the storage unit 141 and the outlet 144 are not in communication with each other. The switching unit 142 comes into contact with the outlet 144 due to the surface tension of the water adhering to the outlet 144. Specifically, the rotating plate 142B comes into contact with the flange portion 245 due to the surface tension of the water adhering to the outlet 144. Furthermore, in the second rotation state RB, a portion of the humidifying filter 133 is located inside the water tub 19 (see FIG. 3). That is, in the second rotation state RB, the humidifying filter 133 absorbs water from the water tub 19.

[0063] The third rotation state RC indicates a state in which the holding unit 131 has rotated a predetermined angle in the first rotation direction R1 from the second rotation state RB. The third rotation state RC is a state in which the supply unit 140 is located outside the water tub 19 and supplies water to the humidifying filter 133. In the third rotation state RC, the switching unit 142 switches the state of the storage unit 141 to a state in which the storage unit 141 and the outlet 144 are in communication with each other.

[0064] Specifically, in the third rotation state RC, the water stored in storage portion 141 presses switching portion 142 in the first rotation direction R1. Then, switching portion 142 switches the state of supply portion 140 from a state in which storage portion 141 and outlet 144 are not in communication with each other to a state in which storage portion 141 and outlet 144 are in communication with each other. Therefore, the water stored in storage portion 141 is discharged from outlet 144. As a result, water is supplied to humidifying filter 133.

[0065] Furthermore, in the third rotation state RC, a portion of the humidifying filter 133 is located inside the water tub 19 (see FIG. 3). That is, in the third rotation state RC, the humidifying filter 133 absorbs water from the water tub 19. Therefore, water is supplied to the humidifying filter 133 from the supply unit 140, and the humidifying filter 133 can also absorb water from the water tub 19. As a result, the humidifying filter 133 can be prevented from drying out.

[0066] [Embodiment 2] Next, a humidifying filter unit 13 of embodiment 2 will be described with reference to Figures 1, 2, 6, and 7. The humidifying filter unit 13 of embodiment 2 differs from the humidifying filter unit 13 of embodiment 1 in that it has a plurality of storage sections 141. Below, differences between embodiment 2 and embodiment 1 will be described, and explanations of parts that overlap with embodiment 1 will be omitted.

[0067] Fig. 6 is an enlarged view of the humidifying filter unit 13 of the humidifier 100 of embodiment 2. As shown in Fig. 6, the humidifying filter 133 is disposed around the rotation axis AX (Fig. 2).

[0068] 1 and 2, the humidifier 100 of the second embodiment includes a housing 1, an operation panel 3, a deodorizing filter 9, a dust collecting filter 11, a humidifying filter unit 13, a rotating shaft 15, a pair of shaft supports 17, a water tank 19, a drive mechanism 21, a blower 23, and a detection unit 30. The housing 1 houses the deodorizing filter 9, the dust collecting filter 11, the humidifying filter unit 13, the rotating shaft 15, the pair of shaft supports 17, the water tank 19, the drive mechanism 21, the blower 23, and the detection unit 30.

[0069] The drive mechanism 21 abuts against the peripheral edge of the humidifying filter unit 13 to rotate the humidifying filter unit 13. The drive mechanism 21 of the second embodiment rotates the humidifying filter unit 13 in a first rotation direction R1 and a second rotation direction R2. The second rotation direction R2 is the opposite direction to the first rotation direction R1.

[0070] The holder 131 of the humidifying filter unit 13 holds the humidifying filter 133 and the supply unit 140. The holder 131 of the second embodiment rotates in a first rotation direction R1 and a second rotation direction R2.

[0071] Supply unit 140 draws up water from water tank 19 and supplies the water to humidifying filter 133. As shown in FIGS. 6 and 7, supply unit 140 includes first storage unit 141A, second storage unit 141B, draw-up port 145, discharge port 144, and switching unit 142.

[0072] First storage section 141A stores water pumped up from pumping port 145. First storage section 141A has a cylindrical shape with one open end and the other closed end. First storage section 141A has opening 143A that opens toward first rotation direction R1. When holding section 131 rotates in first rotation direction R1, first storage section 141A stores the water that flows in from pumping port 145.

[0073] Second storage section 141B stores water pumped up from pumping port 145. Second storage section 141B has a cylindrical shape with one open end and the other closed. Second storage section 141B has opening 143B that opens toward second rotation direction R2. When holding section 131 rotates in second rotation direction R2, second storage section 141B stores the water that flows in from pumping port 145.

[0074] That is, when holding portion 131 rotates in first rotation direction R1, water can be stored in first storage portion 141A, and when holding portion 131 rotates in second rotation direction R2, water can be stored in second storage portion 141B. Therefore, whether holding portion 131 rotates in first rotation direction R1 or second rotation direction R2, water pumped from water tub 19 can be stored. Therefore, whether holding portion 131 rotates in first rotation direction R1 or second rotation direction R2, water can be supplied to humidifying filter 133. As a result, humidifying filter 133 can be further prevented from drying out.

[0075] It is also possible to prevent excessive water from being supplied to humidifying filter 133. For example, when holder 131 rotates in first rotation direction R1, water is stored in first storage section 141A, but water is not stored in second storage section 141B. Because opening 143B of second storage section 141B opens toward second rotation direction R2, when holder 131 rotates in first rotation direction R1 and supply section 140 is positioned outside water tub 19, the water that has flowed into second storage section 141B returns to water tub 19.

[0076] Furthermore, for example, when holder 131 rotates in second rotation direction R2, water is stored in second storage section 141B, and water is not stored in first storage section 141A. Because opening 143A of first storage section 141A opens toward first rotation direction R1, when holder 131 rotates in second rotation direction R2 and supply section 140 is positioned outside water tank 19, the water that has flowed into first storage section 141A returns to water tank 19.

[0077] 6, in the second embodiment, opening 143A of first storage section 141A and opening 143B of second storage section 141B face each other. Therefore, when holding section 131 stops at a position where detection section 30 detects sensed member 301, water W is stored in each of first storage section 141A and second storage section 141B. In other words, when drive mechanism 21 resumes rotation of holding section 131, water can be immediately supplied to humidifying filter 133 regardless of whether holding section 131 rotates in first rotation direction R1 or second rotation direction R2. As a result, humidifying filter 133 can be easily moistened.

[0078] Outlet 144 discharges water from first storage section 141A or water from second storage section 141B. Outlet 144 faces humidifying filter 133. Water discharged from outlet 144 is absorbed by humidifying filter 133. Outlet 144 is disposed between first storage section 141A and second storage section 141B.

[0079] Pumping port 145 pumps up water from water tank 19. The pumped water flows into first storage section 141A and second storage section 141B. Specifically, water flows from water tank 19 into first storage section 141A and second storage section 141B through pumping port 145. Pumping port 145 is disposed between first storage section 141A and second storage section 141B.

[0080] 6, detectable member 301 is disposed at the position of pumping port 145. Driving mechanism 21 stops driving at a position where detection unit 30 detects detectable member 301. In other words, driving mechanism 21 stops driving when pumping port 145 is positioned opposite the bottom of water tank 19, and pumping port 145 is positioned below the water level of water tank 19. This makes it easy for water to flow from pumping port 145 into first storage section 141A and second storage section 141B. The flow of water into first storage section 141A and second storage section 141B continues until the water level reaches the same as the water level of water tank 19.

[0081] Switching unit 142 switches between the state of first storage unit 141A and the state of second storage unit 141B in response to rotation of holding unit 131. Specifically, switching unit 142 switches between the state of first storage unit 141A and the state of second storage unit 141B between a first state and a second state. The first state indicates a state in which opening 143A of first storage unit 141A and discharge port 144 are in communication with each other, and opening 143B of second storage unit 141B and discharge port 144 are not in communication with each other. The second state indicates a state in which opening 143B of second storage unit 141B and discharge port 144 are in communication with each other, and opening 143A of first storage unit 141A and discharge port 144 are not in communication with each other.

[0082] Therefore, switching unit 142 switches between the first state and the second state in response to the rotation of holding unit 131, and water can be transported to a position where it can be supplied to humidifying filter 133. The transported water can then be supplied to humidifying filter 133. As a result, a sufficient amount of water can be supplied to humidifying filter 133 while preventing a decrease in the amount of water supplied to humidifying filter 133. In addition, water discharged from supply unit 140 does not flow into the opposing storage unit 141, and the water in storage unit 141 can be supplied to humidifying filter 133.

[0083] For example, when rotating in first rotation direction R1, switching unit 142 switches the state of first storage unit 141A and the state of second storage unit 141B to the second state, thereby preventing the water stored in first storage unit 141A from leaking and reducing the amount of water supplied to humidifying filter 133. Furthermore, for example, switching unit 142 switches the state of first storage unit 141A and the state of second storage unit 141B to the first state, thereby allowing the water stored in first storage unit 141A to be supplied to humidifying filter 133.

[0084] For example, when rotating in second rotation direction R2, switching unit 142 switches the state of first storage unit 141A and the state of second storage unit 141B to the first state, thereby preventing the water stored in second storage unit 141B from leaking and reducing the amount of water supplied to humidifying filter 133. Furthermore, for example, switching unit 142 switches the state of first storage unit 141A and the state of second storage unit 141B to the second state, thereby allowing the water stored in second storage unit 141B to be supplied to humidifying filter 133.

[0085] 6, switching unit 142 is disposed at the position of pumping port 145. Specifically, switching unit 142 is disposed between first storage unit 141A and second storage unit 141B.

[0086] Next, the humidifying filter unit 13 of the second embodiment will be described in more detail with reference to Figures 6 and 7. Figure 7 is a diagram showing the humidifying filter unit 13 of the second embodiment. Figure 7 shows the operation of the supply unit 140 up to the point where the pumped water is supplied to the humidifying filter 133. In Figure 7, the drive mechanism 21 rotates the humidifying filter unit 13 in a first rotation direction R1. The drive mechanism 21 of the second embodiment can rotate the holding portion 131 in the first rotation direction R1 and the second rotation direction R2, but the case where the holding portion 131 rotates in the first rotation direction R1 will be described as an example.

[0087] 7 shows a first rotation state RA, a second rotation state RB, and a third rotation state RC of humidifying filter unit 13. In first rotation state RA, supply unit 140 is located inside water tank 19 (see FIG. 6). Water pumped up from pumping port 145 flows into first storage portion 141A and second storage portion 141B. In first rotation state RA, switching unit 142 receives water pressure in the direction opposite to first rotation direction R1. Therefore, switching unit 142 switches between the state of first storage portion 141A and the state of second storage portion 141B to the second state. In other words, switching unit 142 switches to a state where opening 143B of second storage portion 141B is connected to outlet 144 and where opening 143A of first storage portion 141A is not connected to outlet 144. In the first rotation state RA, the humidifying filter 133 is not located inside the water tub 19 (see FIG. 6).

[0088] The second rotation state RB indicates a state in which the holder 131 has rotated a predetermined angle in the first rotation direction R1 from the first rotation state RA. In the second rotation state RB, the first storage section 141A and the second storage section 141B are located outside the water tub 19. Water is stored in the first storage section 141A. No water is stored in the second storage section 141B. Because the opening 143B of the second storage section 141B opens toward the second rotation direction R2, when the second rotation state RB is entered, the water in the second storage section 141B returns to the water tub 19. In the second rotation state RB, the switching section 142 maintains the second state. Furthermore, in the second rotation state RB, a portion of the humidifying filter 133 is located inside the water tub 19 (see FIG. 3). That is, in the second rotation state RB, the humidifying filter 133 absorbs water from the water tub 19.

[0089] The third rotation state RC indicates a state in which holding unit 131 has rotated a predetermined angle in first rotation direction R1 from second rotation state RB. In the third rotation state RC, supply unit 140 is positioned outside water tub 19, and supply unit 140 supplies water to humidifying filter 133. In the third rotation state RC, switching unit 142 switches the state of first storage unit 141A and the state of second storage unit 141B to the first state. In other words, switching unit 142 switches the state to a state in which opening 143A of first storage unit 141A and outlet 144 are connected, and opening 143B of second storage unit 141B and outlet 144 are not connected.

[0090] Specifically, in the third rotation state RC, the water stored in first storage portion 141A presses switching portion 142 in first rotation direction R1. Then, switching portion 142 switches between the state of first storage portion 141A and the state of second storage portion 141B to the first state. Therefore, the water stored in first storage portion 141A is discharged from outlet 144. As a result, water is supplied to humidifying filter 133.

[0091] Furthermore, in the third rotation state RC, a portion of the humidifying filter 133 is located inside the water tub 19 (see FIG. 3). That is, in the third rotation state RC, the humidifying filter 133 absorbs water from the water tub 19. Therefore, water is supplied to the humidifying filter 133 from the supply unit 140, and the humidifying filter 133 is able to absorb water from the water tub 19. As a result, the humidifying filter 133 can be prevented from drying out.

[0092] When the holding portion 131 rotates in the second rotation direction R2, the movement of the switching portion 142 to switch between the first state and the second state is reversed.

[0093] [Embodiment 3] Next, a humidifying filter unit 13 of embodiment 3 will be described with reference to Figures 1, 2, and 8. The humidifying filter unit 13 of embodiment 3 differs from embodiments 1 and 2 in the shape of the supply section 140. Below, differences between embodiment 3 and embodiments 1 and 2 will be described, and descriptions of parts that overlap with embodiments 1 and 2 will be omitted.

[0094] FIG. 8 shows humidifying filter unit 13 according to embodiment 3. Note that, in FIG. 8, housing portion 131e is omitted to make the invention easier to see. As shown in FIG. 8, frame body 131a has a circular shape. Frame body 131a covers edge EG1 of humidifying filter 133 and is positioned outward of humidifying filter 133. Frame body 131a also covers edge EG3 of supply portion 140 and is positioned outward of edge EG3 of supply portion 140. In other words, frame body 131a is positioned outward of the first holding portion and the second holding portion.

[0095] The supply unit 140 of the third embodiment has a sector shape that matches the shape of the storage unit 131e (not shown). The humidifying filter 133 has a sector-shaped cutout.

[0096] Supply unit 140 supplies water to humidifying filter 133. When edge EG3 on the curved side of supply unit 140 is located at the lowest position, edge EG3 is immersed in water W of water tub 19. In other words, when edge EG3 on the curved side of supply unit 140 is located at the lowest position, supply unit 140 pumps up water. When edge EG4 on the straight side of supply unit 140 is located at the highest position and is approximately parallel to the water surface of water tub 19, supply unit 140 supplies water to humidifying filter 133.

[0097] As shown in FIG. 8, the supply unit 140 includes a storage unit 141.

[0098] The reservoir 141 stores water. The reservoir 141 has an opening 143 and a closed end.

[0099] The opening 143 functions as a discharge port and a pumping port.

[0100] Opening 143 as an outlet discharges water from storage unit 141. As shown in FIG. 8, opening 143 faces humidifying filter 133. Therefore, as shown in FIG. 8, when edge EG4 on the straight side of supply unit 140 is located at the uppermost position and is approximately parallel to the water surface of water tub 19, opening 143 as an outlet discharges water. The discharged water is absorbed by humidifying filter 133. In other words, water is supplied to humidifying filter 133. That is, humidifying filter 133 not only absorbs water from water tub 19, but also absorbs water discharged from opening 143 as an outlet. As a result, excessive drying of humidifying filter 133 can be prevented.

[0101] Opening 143 as a pumping port pumps up water from water tank 19. Specifically, when supply unit 140 is located inside water tank 19, opening 143 as a pumping port pumps up water from water tank 19. Specifically, when opening 143 as a pumping port is located inside water tank 19, humidifying filter unit 13 rotates in first rotation direction R1, so that water in water tank 19 can be pumped up from opening 143 as a pumping port.

[0102] [Variation 1] Next, a first modification of the humidifying filter unit 13 of the third embodiment will be described with reference to Figures 1, 2, and 9. The humidifying filter unit 13 of the first modification of the third embodiment differs from that of the third embodiment in the shape of the supply section 140. Below, the differences between the first modification of the third embodiment and the third embodiment will be described, and the description of the parts that overlap with the third embodiment will be omitted.

[0103] Fig. 9 shows a humidifying filter unit 13 according to a first modification of the third embodiment. In Fig. 9, the housing portion 131e is omitted to make the invention easier to see.

[0104] The supply unit 140 of the first modification has a non-circular shape to match the shape of the storage unit 131e (not shown). In the first modification, the supply unit 140 has a substantially D-shape when viewed from the front. Specifically, with regard to the shape of the supply unit 140, the "non-circular shape" includes straight lines and curved lines.

[0105] As shown in FIG. 9 , the supply unit 140 includes a storage unit 141. The storage unit 141 stores water. The storage unit 141 has a shape that is open on one side and closed on the other. The storage unit 141 has an opening 143. The opening 143 is located on an edge EG4 on the straight side of the supply unit 140. Specifically, the opening 143 is located on an imaginary line connecting the rotation axis AX and the detected member 301. Therefore, when the edge EG4 on the straight side of the supply unit 140 is immersed in the water in the water tank 19, water enters through the opening 143 and is stored in the storage unit 141. The opening 143 functions as a discharge port and a pumping port.

[0106] [Variation 2] Next, a first modification of the humidifying filter unit 13 of the third embodiment will be described with reference to Figures 1, 2, and 10. The humidifying filter unit 13 according to a second modification of the third embodiment differs from that of the third embodiment in the shape of the supply section 140. Below, the differences between the second modification of the third embodiment and the third embodiment will be described, and the description of the parts that overlap with the third embodiment will be omitted.

[0107] Fig. 10 shows a humidifying filter unit 13 according to Modification 2 of Embodiment 3. In Fig. 10, the housing portion 131e is omitted to make the invention easier to see.

[0108] The supply unit 140 of the second modification has a non-circular shape to match the shape of the storage unit 131e (not shown). In the first modification, the supply unit 140 has a substantially D-shape in a front view. Specifically, with regard to the shape of the supply unit 140, the "non-circular shape" includes straight lines and curved lines.

[0109] As shown in FIG. 10 , the supply unit 140 includes a storage unit 141. The storage unit 141 stores water. The storage unit 141 has a shape that is open on one side and closed on the other. The storage unit 141 has an opening 143. The opening 143 is arranged on an edge EG4 on the straight side of the supply unit 140. In the second modification, when rotating in the first rotation direction R1, water enters the water tank 19 through the opening 143. Therefore, water enters the storage unit 141 from the opening 143 in accordance with the rotation in the first rotation direction R1. Water enters through the opening 143 and is stored in the storage unit 141. The opening 143 functions as a discharge port and a pumping port.

[0110] The supply unit 140 of the third embodiment, the first modification of the third embodiment, and the second modification of the third embodiment may further include the switching unit 142 shown in the first and second embodiments.

[0111] The embodiments of the present invention have been described above with reference to the drawings. However, the present invention is not limited to the above embodiments and can be embodied in various forms without departing from the spirit and scope of the present invention. Furthermore, various inventions can be formed by appropriately combining multiple components disclosed in the above embodiments. For example, some components may be omitted from all components shown in the embodiments. Furthermore, components from different embodiments may be appropriately combined. The drawings mainly show each component in a schematic manner to facilitate understanding. The thickness, length, number, spacing, etc. of each illustrated component may differ from the actual components due to the convenience of drawing. Furthermore, the speed, material, shape, dimensions, etc. of each component shown in the above embodiments are merely examples and are not particularly limited. Various modifications are possible within a scope that does not substantially deviate from the configuration of the present invention.

[0112] (1) In the first embodiment, the holder 131 rotates in the first rotation direction D1, but this is not limiting. For example, the holder 131 may rotate in the second rotation direction D2. When the holder 131 rotates in the second rotation direction D2, the opening 143 of the storage section 141 opens toward the second rotation direction D2.

[0113] (2) The humidifying filter 133 of the first embodiment and the humidifying filter 133 of the second embodiment are substantially D-shaped, but this is not limiting. The humidifying filter 133 may be, for example, polygonal. For example, the humidifying filter 133 may be, for example, substantially triangular. Furthermore, for example, the humidifying filter 133 may be, for example, substantially rectangular.

[0114] (3) In the first and second embodiments, it has been described that the surface tension of water adhering to outlet 144 causes pivot plate 142B to abut against flange portion 245, but this is not limited to this. For example, pivot shaft 142A may have drive mechanism 21, and a detector additionally provided on the side wall near the periphery of humidifying filter unit 13 may detect detectable member 301 attached to humidifying filter unit 13, and pivot shaft 142A may repeatedly switch between a state in which storage unit 141 and outlet 144 are not in communication with each other and a state in which storage unit 141 and outlet 144 are in communication with each other.

[0115] Specifically, rotating plate 142B is rotated by a motor of drive mechanism 21. Drive mechanism 21 rotates rotating plate 142B when detection unit 30 detects detected member 301. In other words, upon detecting that opening 143 has come to an upward position, rotating plate 142B is rotated to supply water to humidifying filter 133. Therefore, water can be efficiently supplied to humidifying filter 133.

[0116] (4) Although an example has been shown in which the pumping port 145 is positioned radially outward of the discharge port 144 relative to the rotation axis AX, the pumping port 145 does not necessarily have to be formed outside the discharge port 144, and the pumping port 145 may serve as both the pumping port and the discharge port 144.

[0117] (5) In the second embodiment, an example has been described in which opening 143 of first storage section 141A and opening 143 of second storage section 141B face each other, but this is not limiting. For example, opening 143 of first storage section 141A and opening 143 of second storage section 141B do not have to face each other. In this case, supply section 140 further includes switching section 142 that switches the state of first storage section 141A and switching section 142 that switches the state of second storage section 141B. Switching section 142 that switches the state of first storage section 141A switches the state of first storage section 141A between a state in which first storage section 141A and discharge port 144 are in communication with each other and a state in which first storage section 141A and discharge port 144 are not in communication with each other. In addition, the switching unit 142, which switches the state of the second storage unit 141B, switches the state of the second storage unit 141B between a state in which the second storage unit 141B and the discharge outlet 144 are connected and a state in which the second storage unit 141B and the discharge outlet 144 are not connected. [Industrial Applicability]

[0118] INDUSTRIAL APPLICABILITY The present invention provides a humidifying filter unit and a humidifier, and has industrial applicability. [Explanation of symbols]

[0119] 13: Humidifying filter unit 15: Rotation axis 19: Aquarium 30: Detection unit 100: Humidifier 131: Holding part 131a:Frame body 131e: Storage unit 133: Humidification filter 140: Supply section 141: Storage section 141A: First storage section 141B: Second storage section 142: Switching section 143 :Aperture 143A:Aperture 143B:Aperture 144: Outlet 145: Pumping port 301: Detectable member AX: Rotation axis R1: First rotation direction R2: Second rotation direction W:Water

Claims

1. A humidifying filter unit is disposed above a water tank of a humidifier so that a portion of the unit is immersed in water stored in the water tank, and the unit rotates so that the portion immersed in water changes, A humidifying filter, a first reservoir that is open on one side in the rotation direction and is capable of storing water; a second reservoir portion that is open on the other side in the rotation direction and is capable of storing water; When the rotation direction of the humidifying filter unit is a first rotation direction toward the one side, the first storage section repeatedly stores water and supplies the stored water to the humidifying filter as the humidifying filter unit rotates; When the rotation direction of the humidifying filter unit is a second rotation direction toward the other side, the second storage section repeatedly stores water and supplies the stored water to the humidifying filter as the humidifying filter unit rotates; the humidifying filter is non-circular and changes state as it rotates between a water-immersed state in which a part of the filter is immersed in water and a non-water-immersed state in which the filter is not immersed in water; Humidifying filter unit.

2. The outer periphery of the humidifying filter is a submerged portion formed in an arc shape centered on the rotation axis of the humidifying filter and submerged in water as the humidifying filter rotates; a non-submerged portion formed between one end and the other end of the submerged portion, the non-submerged portion being closer to the rotation axis than the submerged portion and not submerged in water, The first reservoir and the second reservoir are provided radially outward of the non-immersed portion of the humidifying filter, and the stored water is supplied toward the rotation shaft via the non-immersed portion. The humidifying filter unit according to claim 1 .

3. the first storage section and the second storage section are located below the humidifying filter when the humidifying filter is in the non-immersed state; The humidifying filter unit according to claim 1 or 2.

4. The first storage section and the second storage section are arranged side by side in a rotational direction. The humidifying filter unit according to any one of claims 1 to 3.

5. The humidifying filter further includes a holding member that holds the humidifying filter and that is provided with the first storage portion and the second storage portion. The humidifying filter unit according to any one of claims 1 to 4.

6. A humidifying filter unit according to any one of claims 1 to 5, The water tank for storing water is provided. humidifier.

7. A holding member used in the humidifying filter unit according to claim 5.

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