WO2019073619A1 - カビ抑制装置および水洗便器装置 - Google Patents

カビ抑制装置および水洗便器装置 Download PDF

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Publication number
WO2019073619A1
WO2019073619A1 PCT/JP2018/005292 JP2018005292W WO2019073619A1 WO 2019073619 A1 WO2019073619 A1 WO 2019073619A1 JP 2018005292 W JP2018005292 W JP 2018005292W WO 2019073619 A1 WO2019073619 A1 WO 2019073619A1
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Prior art keywords
toilet
water
ion generator
water surface
mold
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Application number
PCT/JP2018/005292
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English (en)
French (fr)
Japanese (ja)
Inventor
大西　康之
Original Assignee
シャープ株式会社
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Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to CN201880064640.5A priority Critical patent/CN111164265A/zh
Priority to JP2019547898A priority patent/JPWO2019073619A1/ja
Publication of WO2019073619A1 publication Critical patent/WO2019073619A1/ja

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells

Definitions

  • the present invention relates to a mold suppression device that suppresses the generation of mold that causes darkening that occurs at the boundary between the water surface of stored water and the inner surface of a toilet bowl in a flush toilet.
  • Patent Document 1 describes that hot air for drying a local part of a human body is used to ventilate a bowl portion. Specifically, when at least one of the detected temperature and humidity in the bowl portion exceeds a predetermined threshold value, the above-described warm air is generated. Further, Patent Document 2 describes that the washing operation is automatically performed when the predetermined reference elapsed time from the washing operation is exceeded.
  • Japanese Patent Publication Japanese Patent Application Publication No. 2008-81929 (Apr. 10, 2008)
  • Japanese patent publication Japanese Patent Application Laid-Open No. 2008-138365 (June 19, 2008)
  • annular darkening may occur in a linear portion (hereinafter, referred to as a water surface line) in the bowl portion which is in contact with the water surface of stored water.
  • a water surface line Such darkening is often caused by black mold, and once it occurs it is difficult to remove.
  • the washing operation may be able to wash away some mold spores.
  • the water washing operation gives moisture to mold spores near the water surface line, and rather promotes the growth of black mold.
  • An object of the present invention is to suppress the occurrence of annular darkening.
  • the mold control device concerning one mode of the present invention is provided with the water level change part which changes the water surface of the storage water stored by the toilet bowl main part of flush toilet device constantly or intermittently. It is attached to the flush toilet bowl device.
  • the occurrence of annular darkening can be suppressed.
  • FIG. 1 It is a block diagram which shows the structure of the control system of the flush toilet bowl apparatus which concerns on Embodiment 2 of this invention.
  • (A) to (e) are photographs showing the transition of the state in which ions are supplied to the water stored in the simulated toilet by blowing air, and
  • (f) to (j) are ions in the water stored in the simulated toilet It is a photograph which shows transition of the state which was not supplied by ventilation.
  • Embodiment 1 It will be as follows if Embodiment 1 of this invention is demonstrated based on FIGS. 1-5.
  • FIG. 1 is a perspective view showing the configuration of a flush toilet device 100 according to the present embodiment.
  • FIG. 2 is a longitudinal sectional view showing the structure of the flush toilet device 100. As shown in FIG.
  • the flush toilet bowl apparatus 100 is provided with the ion generator 1 (mold suppression apparatus), the toilet bowl main body 2, the toilet seat 3, and the toilet lid 4. As shown in FIG. 1 and FIG. 2, the ion generator 1 (mold suppression apparatus), the toilet bowl main body 2, the toilet seat 3, and the toilet lid 4. As shown in FIG. 1 and FIG. 2, the ion generator 1 (mold suppression apparatus), the toilet bowl main body 2, the toilet seat 3, and the toilet lid 4. As shown in FIG.
  • the toilet body 2 has a bowl 21, a water outlet 22 and a drainage 23 inside. Also, the toilet body 2 has an opening 24 at the top.
  • the bowl portion 21 has a water storage portion 21a at the bottom.
  • the lowest part of the water storage portion 21 a is connected to the start end of the drainage channel 23.
  • the drainage channel 23 rises from the start end and reaches the outside as it bends further downward.
  • the water discharged from the water discharge port 22 is stored so as to have a constant water level shown in FIG. 2 by the rising portions of the water storage portion 21a and the drainage path 23 as described above.
  • the toilet seat 3 is annularly formed so as to cover an edge formed at the upper end of the toilet body 2.
  • the toilet seat 3 is rotatably attached to the rear of the toilet body 2.
  • the toilet lid 4 is a lid that covers the toilet seat 3 and the opening 24 of the toilet body 2.
  • the toilet lid 4 is rotatably provided at the rear of the toilet body 2.
  • the ion generating device 1 is a device that generates ions, and is attached to the back side of the toilet lid 4.
  • the ion generator 1 has a blower outlet 10 for blowing out ions.
  • the blowout port 10 is opened at a position where ions can be blown out toward the water surface of the water stored in the water storage section 21a in a state where the toilet lid 4 is closed.
  • FIG. 3 is a perspective view showing the appearance of the ion generator 1.
  • FIG. 4 is an exploded perspective view showing the configuration of the ion generator 1.
  • the ion generator 1 has a cover 11, a fan 12 and a component mounting portion 13.
  • the component mounting unit 13 is configured by mounting the ion generating unit 15, the power supply 16, the connector 17 and the like on the bottom plate 14.
  • the cover 11 side of the ion generator 1 is regarded as the upper side, and the bottom plate 14 side is regarded as the lower side.
  • the cover 11 is a member that covers the fan 12 and the component mounting portion 13, and is configured of a rectangular top plate 11a and side plates 11b to 11e that surround four sides of the top plate 11a.
  • the ion generator 1 is configured to be thin.
  • the size of the ion generator 1 is, for example, about 35 mm wide ⁇ 60 mm long ⁇ 10 mm thick.
  • the cover 11 (ion generator 1) is configured to be attachable to the back surface of the toilet lid 4 with the top plate 11a by having the top plate 11a. For example, by providing a screw hole (not shown) in the top plate 11a, the cover 11 is tightened by fastening a screw passed through the screw hole to a female screw portion (not shown) provided in the toilet lid 4. Is attached to the toilet lid 4. Alternatively, an adhesive material (adhesive, double-sided tape or the like) is applied to the outer surface of the top plate 11a, and the cover 11 is adhesively bonded to the back surface of the toilet lid 4 at the top plate 11a.
  • an adhesive material adheresive, double-sided tape or the like
  • a suction port 11 f for sucking outside air into the ion generator 1 is formed on the side plate 11 b of the two side plates 11 b and 11 c on the long side of the top 11 a.
  • the suction port 11 f is formed in a slit shape extending in the longitudinal direction of the side plate 11 b.
  • the side plate 11d of the two side plates 11d and 11e on the short side of the top plate 11a is formed to have a curved shape.
  • the bottom plate 14 is formed in the same shape (rectangle) and the same size as the top plate 11 a.
  • a box-like housing is formed by closing the open portion of the cover 11 with the bottom plate 14 disposed to face the top plate 11 a.
  • the blower outlet 10 opened below is formed of the edge part of the bottom plate 14 located in the side plate 11 d side, and the side plate 11 d.
  • the blowout port 10 is an opening for blowing out the outside air sucked from the suction port 11 f to the outside of the ion generator 1.
  • the fan 12 is a component that generates a suction force for sucking in the outside air, and a thin centrifugal fan, a propeller fan or the like is used.
  • the fan 12 is disposed below the suction port 11 f on the component mounting portion 13, and is disposed so as to take in air from the side of the cover 11 facing the top plate 11 a. Also, the fan 12 exhausts to the side plate 11 d side.
  • the ion generation unit 15 generates positive ions and negative ions by the power supplied from the power supply 16.
  • the ion generating unit 15 is disposed on one end side (side plate 11 d side) on the bottom plate 14.
  • the ion generation unit 15 includes a positive electrode 151, a negative electrode 152, a transformer 153, a transformer drive circuit 154, a substrate 155, and an insulating cover 156.
  • the positive electrode 151, the negative electrode 152, the transformer 153, and the transformer drive circuit 154 are mounted on the substrate 155.
  • An induction electrode (not shown) corresponding to the positive electrode 151 and an induction electrode (not shown) corresponding to the negative electrode 152 are formed on the substrate 155.
  • the positive electrode 151 and the negative electrode 152 are arranged at intervals on one end side of the bottom plate 14 (side plate 11 d side of the cover 11).
  • the transformer 153 is disposed closer to the other end side of the bottom plate 14 than the positive electrode 151 and the negative electrode 152.
  • the transformer drive circuit 154 is disposed closer to the other end side of the bottom plate 14 than the transformer 153.
  • the positive electrode 151 and a part of the negative electrode 152 and the transformer 153 are covered by an insulating cover 156.
  • the tips of the positive electrode 151 and the negative electrode 152 are exposed from the insulating cover 156.
  • the power supply 16 converts the power supplied from the outside through the connector 17 into a form suitable for the fan 12 and the ion generating unit 15 and supplies the converted power to the fan 12 and the ion generating unit 15 respectively.
  • the connector 17 is a connection terminal for receiving power supplied from the outside via a cable (not shown).
  • the connector 17 is configured to be connected to a connector (not shown) provided at the end of the cable.
  • the transformer 153 is driven by the transformer drive circuit 154 to boost the voltage on the primary side and output it to the secondary side.
  • the positive electrode 151 generates corona discharge with the corresponding induction electrode by applying a boosted positive voltage to generate positive ions.
  • the negative electrode 152 receives a boosted negative voltage to cause corona discharge with the corresponding induction electrode to generate negative ions.
  • the fan 12 sucks in and discharges the air taken in from the suction port 11 f.
  • the positive ions and negative ions generated as described above are blown out from the outlet 10 by the flow of air generated by the operation of the fan 12.
  • a blower mechanism water surface fluctuating part
  • An ion supply unit that supplies ions to the water surface is configured by the air blowing mechanism and the ion generation unit 15.
  • FIG. 5 is a block diagram showing a system configuration of the flush toilet device 100. As shown in FIG.
  • the flush toilet device 100 has an ion generator 1, a control unit 31, and an open / close sensor 32.
  • the open / close sensor 32 is a detector that detects the open state and the closed state of the toilet lid 4.
  • a mechanical sensor, an optical sensor or the like is used as the open / close sensor 32.
  • the mechanical sensor has, for example, a contact member that abuts on the inner surface of the toilet lid 4 in the closed state.
  • the sensor detects the closed state by being pushed in and turned on by the toilet lid 4 in which the contact member is closed, and detects the open state by the contact member being opened and turned off in the opened state of the toilet lid 4 .
  • the mechanical sensor is disposed near the opening / closing portion of the toilet lid 4.
  • the optical sensor includes, for example, a light emitting unit and a light receiving unit.
  • the light receiving unit is disposed at a position where the light emitted from the light emitting unit receives the reflected light reflected by the back surface of the toilet lid 4.
  • the sensor detects the closed state when receiving the reflected light reflected by the toilet lid 4 from which the light emitted from the light emitting unit is closed, and detects the open state when the reflected light is not received.
  • the optical sensor is disposed near the opening / closing portion of the toilet lid 4.
  • the control unit 31 controls the power supply to the ion generator 1 in accordance with the detection signal from the open / close sensor 32. Specifically, when the control unit 31 receives a close detection signal for detecting the closed state of the toilet lid 4 from the open / close sensor 32, the control unit 31 supplies power to the ion generating device 1 while When the open detection signal for detecting the open state is received, the power supply to the ion generator 1 is stopped.
  • the control unit 31 may be realized by a logic circuit (hardware) formed in an integrated circuit (IC chip) or the like, or may be realized by software using a CPU (Central Processing Unit).
  • a logic circuit hardware formed in an integrated circuit (IC chip) or the like, or may be realized by software using a CPU (Central Processing Unit).
  • the control unit 31 receives the close detection signal from the open / close sensor 32 and supplies power to the ion generator 1.
  • the ion generator 1 discharges the ion which generate
  • the toilet lid 4 When the flush toilet device 100 is in use, the toilet lid 4 is opened. In this state, the control unit 31 receives the open detection signal from the open / close sensor 32 and stops the power supply to the ion generator 1. Thereby, the ion generator 1 stops operation.
  • the flush toilet bowl apparatus 100 of the present embodiment includes the ion generator 1.
  • the wind from the ion generating device 1 (the air blowing mechanism including the cover 11, the fan 12 and the bottom plate 14) promotes the evaporation of the stored water. Therefore, the water surface can be constantly fluctuated except for a temporary period such as the flush operation because the water surface of the stored water continues to decrease. Therefore, the water surface line, which is a linear portion in contact with the water surface of the stored water in the bowl portion 21, does not stay at a fixed position.
  • Black mold which is the main cause of darkening, breaks the shell of spore and spreads out white hyphae at the spore stage.
  • Mycelia are weak to dryness and die when the dryness lasts for about 3 hours. Therefore, by continuously reducing the water surface as described above, it is possible to kill the mycelium adhering to the bowl portion 21. Therefore, the occurrence of darkening can be suppressed.
  • water is temporarily supplied to the mycelium by flowing water on the surface of the bowl portion 21 by the washing operation.
  • a time zone for example, midnight
  • the interval of the washing operation exceeds 3 hours
  • the generation of black mold can also be suppressed by the fact that the wind from the ion generator 1 vibrates the surface of the stored water. Even if the water level does not drop as described above, the water surface will not stay at a constant position due to the vibration of the water surface. Thereby, since oxygen supply to mold spores is not continuously performed, the growth of black mold can be suppressed.
  • As means for applying vibration to the water surface not only air but also a mechanical vibration unit which applies mechanical vibration to the surface of the bowl portion 21 and an ultrasonic wave radiation unit which irradiates ultrasonic waves to the water surface are provided. Good.
  • the flush toilet device 100 adopts a structure in which the ion generator 1 is attached to the toilet lid 4.
  • the toilet body 2 and the toilet seat 3 can be provided with the ion generating device 1 with a simple structure without having a special shape for providing the ion generating device 1.
  • the ion generator 1 may intermittently generate air and generate ions at appropriate time intervals so as to change the water surface intermittently. Moreover, the ion generator 1 can be suitably set to fluctuate the water surface constantly or intermittently.
  • FIG. 6 is a block diagram showing a configuration of a control system of the flush toilet bowl apparatus 100 according to the second embodiment.
  • the water closet device 100 shown in FIG. 2 is provided with an ion generation device 1A (mold suppression device) in place of the ion generation device 1 in the water closet device 100 of the first embodiment.
  • the ion generator 1A is configured the same as the ion generator 1 as shown in FIG. 3 and FIG.
  • the flush toilet apparatus 100 according to the present embodiment may not have the toilet lid 4.
  • the ion generator 1 ⁇ / b> A is built in the rear of the toilet seat 3. Moreover, the through-hole 3a for letting the wind containing the ion which blew off from the blower outlet 10 of 1 A of ion generators is provided in the toilet seat 3. As shown in FIG.
  • the ion generator 1A is configured to be attachable to the inner surface (inner bottom surface) of the toilet seat 3. For example, by providing a screw hole (not shown) in the bottom plate 14, the bottom plate 14 is closed by tightening the screw passed through the screw hole to an internal thread portion (not shown) provided in the toilet seat 3. Bond to 3.
  • an adhesive material (adhesive, double-sided tape or the like) is applied to the outer surface of the bottom plate 14 and adhesively bonded to the inner surface of the toilet seat 3 at the bottom plate 14.
  • the toilet seat 3 is formed to be divisible to the upper limit.
  • the flush toilet device 100 of the present embodiment has a control unit 41, an ion generator 1A, a control unit 41, a seating sensor 42, and an upper and lower sensor 43.
  • the seating sensor 42 is a detector that detects that the user is seated on the toilet seat 3.
  • a pressure sensor or the like is used as the seating sensor 42.
  • the pressure sensor is provided inside the portion of the toilet seat 3 that is most greatly deformed by the seating of the user, and detects the seating by capturing the deformation.
  • the upper and lower sensors 43 are detectors that detect the raised state (open state) and the lowered state (closed state) of the toilet seat 3.
  • a mechanical sensor, an optical sensor, or the like is used as the open / close sensor 32.
  • the control unit 41 controls the power supply to the ion generator 1A according to the detection signals from the seating sensor 42 and the upper and lower sensors 43. Specifically, upon receiving a non-seating detection signal for detecting a non-seating state on the toilet seat 3 from the seating sensor 42, the control unit 41 supplies power to the ion generator 1A. On the other hand, when the control unit 41 receives from the seating sensor 42 a seating detection signal for detecting a seating state on the toilet seat 3, the control unit 41 stops the power supply to the ion generator 1A. Further, when the control unit 41 receives a lowering detection signal for detecting the lowering state of the toilet seat 3 from the upper and lower sensors 43, it supplies power to the ion generator 1A. On the other hand, when the control unit 41 receives from the upper and lower sensors 43 a rise detection signal for detecting the raised state of the toilet seat 3, the control unit 41 stops the power supply to the ion generator 1.
  • the control unit 41 may be realized by a logic circuit (hardware) formed in an integrated circuit (IC chip) or the like, or may be realized by software using a CPU (Central Processing Unit).
  • the control unit 41 receives the non-seating detection signal from the seating sensor 42 and the lowering detection signal from the upper and lower sensors 43, and supplies power to the ion generator 1A. Thereby, the ion generator 1A discharges the ions generated by the ion generator 15 downward by the wind generated by the fan 12.
  • the toilet seat 3 When the flush toilet device 100 is used as a urinal, the toilet seat 3 is raised. In this state, the control unit 41 receives the non-seating detection signal from the seating sensor 42 and the raising detection signal from the upper and lower sensors 43, and stops the power supply to the ion generator 1A. Thereby, the ion generator 1A stops its operation.
  • the control unit 41 receives the lowering detection signal from the upper and lower sensor 43, but stops the power supply to the ion generator 1A by preferentially receiving the seating detection signal from the seating sensor 42. Do. Thereby, the ion generator 1A stops its operation.
  • the flush toilet apparatus 100 includes the ion generating apparatus 1A, and while the ion generating apparatus 1A is in operation, evaporation of stored water is caused by the wind from the ion generating apparatus 1A. Prompted. As a result, the surface of the stored water continues to decline. Therefore, the water surface line, which is a linear portion in contact with the water surface of the stored water in the bowl portion 21, does not stay in a fixed position. Therefore, the hyphae adhering to the bowl part 21 can be killed by the water surface continuing to fall as mentioned above. Thus, the occurrence of darkening can be suppressed.
  • the operation of the ion generator 1A can be controlled regardless of the presence or absence of the toilet lid 4 and the opening and closing of the toilet lid 4.
  • the operation of the ion generating device 1A is stopped in the sitting state on the toilet seat 3.
  • the ions generated by the ion generator 1A are harmless to the human body and the wind generated by the ion generator 1A is a slight wind, the ion generator 1A may be operated even in the sitting state.
  • the seating sensor 42 can be omitted.
  • the ion generator 1A may intermittently generate air and generate ions at appropriate time intervals so as to intermittently change the water surface.
  • 1 A of ion generators can be suitably set to fluctuate a water surface regularly or intermittently.
  • Embodiment 3 of this invention is demonstrated based on FIG.2, FIG3 and FIG.4. Note that, for convenience of explanation, the same reference numerals are appended to components having the same functions as the components described in the first and second embodiments, and the description thereof is omitted.
  • the flush toilet apparatus 100 shown in FIG. 2 is provided with an ion generator 1 B (mold suppression apparatus) instead of the ion generator 1 in the flush toilet apparatus 100 of the first embodiment.
  • the ion generator 1 ⁇ / b> B is configured the same as the ion generator 1.
  • the flush toilet apparatus 100 according to the present embodiment may not have the toilet lid 4.
  • a shallow recess 24 a is formed around the rear opening 24 at the upper end of the toilet body 2 so as to communicate with the opening 24.
  • the ion generator 1 B is disposed in the recess 24 a so that the end including the outlet 10 protrudes into the opening 24.
  • the ion generator 1B is configured to be attachable to the recess 24a.
  • the bottom plate 14 is provided with a screw hole (not shown)
  • the bottom plate 14 is recessed by tightening a screw passed through the screw hole in a female screw (not shown) provided in the recess 24a. Bond to 24a.
  • an adhesive material is applied to the outer surface of the bottom plate 14 and adhesively bonded to the recess 24 a in the bottom plate 14.
  • the ion generator 1B is always in operation regardless of whether the flush toilet device 100 is not in use or in use. In this state, the ion generator 1B discharges the ions generated by the ion generator 15 downward by the wind generated by the fan 12.
  • the flush toilet apparatus 100 includes the ion generator 1B, so that the stored water is evaporated by the wind from the ion generator 1B while the ion generator 1B is operating. Prompted. As a result, the surface of the stored water continues to decline. Therefore, the water surface line, which is a linear portion in contact with the water surface of the stored water in the bowl portion 21, does not stay in a fixed position. Therefore, the hyphae adhering to the bowl part 21 can be killed by the water surface continuing to fall as mentioned above. Thus, the occurrence of darkening can be suppressed.
  • the ion generator 1B can be operated at all times regardless of the presence or absence of the toilet lid 4, the opening and closing of the toilet lid 4, and the lifting and lowering of the toilet seat 3.
  • the control units 31 and 41 and various sensors used in the first and second embodiments can be omitted.
  • the ion generator 1B may intermittently generate air and generate ions at appropriate time intervals so as to intermittently change the water surface. Moreover, the ion generator 1B can be suitably set to fluctuate the water surface constantly or intermittently.
  • Embodiment 4 It will be as follows if Embodiment 4 of this invention is demonstrated based on FIG. Note that, for convenience of explanation, the same reference numerals are appended to components having the same functions as the components described in the first and second embodiments, and the description thereof is omitted.
  • FIG. 7 are photographs showing the transition of the state in which the ions are supplied to the water stored in the simulated toilet by blowing air
  • (f) to (j) are the water stored in the simulated toilet Is a photograph showing a transition of a state in which ions are not supplied by air blowing.
  • This simulated toilet bowl has a length of about 15 cm in the toilet bowl portion and has a bowl-shaped bowl portion. This bowl has no function of water discharge and drainage.
  • a spore suspension for test Prior to the test, about 50 ml of 10% GPB (nutrient component) was added to a spore suspension of mold diluted with an aqueous solution of sulfosuccinic acid (0.005%) to prepare a spore suspension for test obtained.
  • GPB nutrient component
  • a test sample was prepared by inoculating 0.1 ml of the above-described spore suspension for test into water contained in the bowl portions of two simulated toilet bowls configured as described above.
  • Cladosporium cladosporioides (NBRC6348) was used as a fungal species of fungus.
  • the above simulated toilet bowls were placed in cubic spaces of 90 cm ⁇ 180 cm ⁇ 240 cm, respectively.
  • An ion generator ion generator IG-KTA 20 disposed on the ceiling of the space was disposed in one simulated toilet, and ions generated by the ion generator were supplied by a wind of 0.14 m / s. Neither the ion nor the wind was supplied to the other simulated toilet.
  • the stored water of the simulated toilet to which the ion generating device is applied and the stored water of the simulated toilet to which the ion generating device is not applied were visually observed.
  • any of the third day, the fourth day, the seventh day, the ninth day, and the tenth day shown in (a) to (e) of FIG. Mycelial and spore formation was not confirmed.
  • the solution of the test sample is evaporated by the wind of 0.14 m / s during the period without water injection and spraying, and the liquid level of the solution is 5 mm per day It has fallen by 10 mm.
  • the ion generating devices 1, 1A and 1B described in the first to third embodiments are configured to be attachable to the toilet lid 4, the toilet seat 3 and the toilet body 2, respectively.
  • one ion generator may be configured to be attachable to at least one of the toilet body 2, the toilet seat 3, and the toilet lid 4.
  • the ion generating device 1 may be attachable to the toilet bowl main body 2 as well as the toilet lid 4 or may be attachable to the toilet seat 3, or both the toilet bowl main body 2 and the toilet seat 3 It may be attachable to Likewise, the mountable targets of the ion generators 1A and 1B can be expanded.
  • the mold suppression device is a water surface fluctuation unit (cover 11, fan 12, bottom plate 14) that constantly or intermittently changes the water surface of stored water stored in the toilet body 2 of the flush toilet device 100. It is equipped and attached to the flush toilet bowl apparatus 100.
  • the water surface fluctuation unit may blow air to the water surface of the stored water.
  • the air blowing to the water surface promotes evaporation of the stored water.
  • the water surface of the stored water is lowered, so even if the water surface of the stored water returns to the original position by the flush operation, the water surface is repeatedly lowered. Therefore, the black mold can be made to be in a state where water is not supplied for a long time. Therefore, the reproduction of black mold can be suppressed.
  • the mold suppression device further includes an ion supply portion (cover 11, fan 12, bottom plate 14, ion generation portion 15) for supplying ions to the water surface in aspect 1 or 2 above. Good.
  • the ions supplied to the water surface are diffused into the toilet bowl and act on black mold attached to the vicinity of the water surface.
  • the reproduction of black mold can be further suppressed to enhance the effect of suppressing the occurrence of darkening.
  • the mold suppression device according to aspect 4 of the present invention is the toilet seat 3 included in the flush toilet device 100 rotatably provided on the toilet main body 2 and the toilet main body 2 in any of the above aspects 1 to 3. And at least one of the toilet lid 4 included in the flush toilet device 100 provided in the toilet bowl 2 so as to open and close the opening 24 of the toilet bowl 2.
  • the water surface of the stored water can be varied at a position closer to the stored water.
  • the mold control device when the mold control device is attached to the toilet body, the mold control device can be operated regardless of the presence or absence of the toilet lid, opening and closing of the toilet lid, and lifting and lowering of the toilet seat.
  • the mold suppression apparatus when attaching a mold suppression apparatus to a toilet seat, the mold suppression apparatus can be operated regardless of the presence or absence of the toilet lid and the opening and closing of the toilet lid.
  • the mold control device when the mold control device is attached to the toilet lid, the mold control device can be provided to the toilet bowl with a simple structure without special processing of the toilet body and the toilet seat.
  • the water-washing toilet device according to aspect 5 of the present invention is attached with the mold suppression device according to any one of aspects 1 to 4 above.
  • the water surface fluctuation unit may lower the water surface of the stored water.
  • the water surface fluctuation unit may vibrate the water surface.
  • the water surface fluctuation unit may vibrate the water surface by blowing air to the water surface.
  • the water surface can be lowered simply and easily as compared to a method of mechanically vibrating the water surface or the like.
  • Ion generator 1, 1A, 1B (mold control device) 2 toilet bowl main body 3 toilet seat 4 toilet lid 11 cover (water surface fluctuation part, ion supply part) 12 Fan (water surface fluctuation unit, ion supply unit) 14 Bottom plate (water surface fluctuation part, ion supply part) 15 Ion generator (ion supply unit) 21 bowl 21a water reservoir 24 opening 100 flush toilet device

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Toilet Supplies (AREA)
PCT/JP2018/005292 2017-10-10 2018-02-15 カビ抑制装置および水洗便器装置 WO2019073619A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880064640.5A CN111164265A (zh) 2017-10-10 2018-02-15 霉菌抑制装置以及冲水马桶装置
JP2019547898A JPWO2019073619A1 (ja) 2017-10-10 2018-02-15 カビ抑制装置および水洗便器装置

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JP2017-197267 2017-10-10
JP2017197267 2017-10-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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