US20200040561A1 - Excrement treatment method and device for same - Google Patents

Excrement treatment method and device for same Download PDF

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Publication number
US20200040561A1
US20200040561A1 US16/480,313 US201816480313A US2020040561A1 US 20200040561 A1 US20200040561 A1 US 20200040561A1 US 201816480313 A US201816480313 A US 201816480313A US 2020040561 A1 US2020040561 A1 US 2020040561A1
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Prior art keywords
sewage
suction
tank
suction port
toilet
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Abandoned
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US16/480,313
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English (en)
Inventor
Yoshihiko Sugawara
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Promote Corp
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Promote Corp
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Publication of US20200040561A1 publication Critical patent/US20200040561A1/en
Abandoned legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/006—Pneumatic sewage disposal systems; accessories specially adapted therefore
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/36—Associated working of inlet and outlet valves
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K11/00—Closets without flushing; Urinals without flushing; Chamber pots; Chairs with toilet conveniences or specially adapted for use with toilets
    • A47K11/04—Room closets; Chairs with toilet conveniences or specially adapted for use with toilets, e.g. night chairs ; Closets for children, also with signalling means, e.g. with a music box, or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K17/00—Other equipment, e.g. separate apparatus for deodorising, disinfecting or cleaning devices without flushing for toilet bowls, seats or covers; Holders for toilet brushes
    • A47K17/02—Body supports, other than seats, for closets, e.g. handles, back-rests, foot-rests; Accessories for closets, e.g. reading tables
    • A47K17/026—Armrests mounted on or around the toilet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G9/00—Bed-pans, urinals or other sanitary devices for bed-ridden persons; Cleaning devices therefor, e.g. combined with toilet-urinals
    • A61G9/003—Bed-pans
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • E03D11/025—Combined with wash-basins, urinals, flushing devices for chamber-pots, bed-pans, or the like
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • E03D11/11—Bowls combined with a reservoir, e.g. containing apparatus for disinfecting or for disintegrating
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D7/00—Wheeled lavatories
    • 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
    • E03D9/04—Special arrangement or operation of ventilating devices
    • E03D9/05—Special arrangement or operation of ventilating devices ventilating the bowl
    • E03D9/052—Special arrangement or operation of ventilating devices ventilating the bowl using incorporated fans
    • 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
    • E03D9/10—Waste-disintegrating apparatus combined with the bowl
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/02—Beds specially adapted for nursing; Devices for lifting patients or disabled persons with toilet conveniences, or specially adapted for use with toilets

Definitions

  • the preset invention relates to an excrement treatment method and device thereof.
  • the device can be used as a chair-type toilet when the device is moved closer to a user and an insertion toilet when the device is set to a crotch of a bedridden user.
  • Patent Document 1 discloses a portable toilet for the purpose of reducing washing water of a toilet bowl.
  • the portable toilet has a movable operation base, a toilet bowl installed on the operation base, a bucket arranged on a lower side of the toilet bowl, a toilet seat arranged on an upper side of the toilet bowl and a means for supplying bowl washing water to the toilet bowl, wherein the means for supplying bowl washing water is arranged on the rear side of the toilet bowl and has a spray nozzle for spraying water toward inside the toilet bowl, water stored in a tank is supplied to the spray nozzle via a pipe, a pump, a three-way switching valve and another pipe, and the water stored in a tank is heated to hot water via another pipe branched from the three-way switching valve and a heater and supplied to a hot water washing nozzle.
  • the buttocks are dried by the hot water washing nozzle. After that, water is sprayed from the spray nozzle to wash the toilet bowl. Since the toilet bowl is washed by spraying water from the spray nozzle, an amount of the water to be used is a little and the number of times of washing the bucket and filling water can be reduced.
  • Patent Document 2 discloses a sewage pot having an upper toilet bowl part and a lower sewage storage tank, wherein leakage of odor is prevented by surely sealing the sewage storage tank by a lid body located on a lower end part of the toilet bowl.
  • the sewage pot includes an upper toilet bowl part, a lower sewage storage tank having a container shape and a lid body for sealing an opening of the lower part of the toilet bowl part.
  • a female fitting surface having a taper shape is formed on an inner peripheral surface of the opening and a male fitting surface is formed on the lid body to be fitted with the female fitting surface.
  • the taper angle of the male fitting surface of the lid body is larger than the taper angle of the female fitting surface of the opening.
  • Patent Document 3 discloses an excrement treatment device capable of being set to a crotch of a bedridden user and used as an insertion toilet.
  • the insertion toilet In the excrement treatment device, the insertion toilet is laid on the crotch of the bedridden user, the insertion toilet is covered by a diaper, the excrement discharged onto the insertion toilet is sucked in a sewage tank of the excrement treatment device, and the sewage tank is separated from the excrement treatment device and transported to a toilet which is connected to a sewer-pipe to flush the sewage when the sewage tank becomes full.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2002-45307
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2002-200005
  • Patent Document 3 Japanese Patent No. 5254498
  • the first purpose of the present invention is to provide an excrement treatment device capable of pressure-feeding the excrement by a compressed air supplied from the excrement treatment device to discharge the excrement directly to the sewers when the sewage tank becomes full.
  • the second purpose of the present invention is to provide an excrement treatment device capable of being used as the chair-type toilet and also used as the insertion toilet set to the crotch.
  • the excrement treatment method of the present invention is characterized in that a step of crushing a solid matter in the sewage tank 19 is added before discharging the stored sewage to the outside from the water discharge valve 46 .
  • a suction valve 44 provided on the sewage tank 19 , the suction valve 44 opening and closing a suction port of a sewage pipe connected to the sewage tank 19 ;
  • a water discharge valve 46 provided on the sewage tank 19 , the water discharge valve 46 discharging the sewage stored in the sewage tank 19 to an outside;
  • an air inlet/outlet 45 provided on the sewage tank 19 for sucking air from the air inlet/outlet 45 to suck the sewage from the sewage pipe connected to the suction port of the suction valve 44 and for injecting a compressed air from the air inlet/outlet 45 to discharge the sewage stored in the sewage tank 19 to the outside;
  • a suction motor 20 connected to the air inlet/outlet 45 , the suction motor 20 sucking the air into the sewage tank 19 and injecting the compressed air into the sewage tank 19 .
  • the excrement treatment device of the present invention is characterized in that a sewage crushing unit 43 is provided on the sewage tank 19 to crush a solid matter in the sewage tank 19 .
  • the excrement treatment device of the present invention is characterized in that the suction valve 44 provided on the sewage tank 19 includes: a suction port 44 a connected to a pipe 63 for flushing the sewage of a chair-type toilet 9 ; and a slider 123 for opening and closing the suction port 44 a.
  • the excrement treatment device of the present invention is characterized in that the suction valve 44 provided on the sewage tank 19 includes: a suction port 44 b connected to a pipe 39 for flashing the sewage in an insertion-type toilet 100 ; and a slider 123 for opening and closing the suction port 44 b.
  • the excrement treatment device of the present invention is characterized in that the suction valve 44 provided on the sewage tank 19 includes: a suction port 44 a connected to a pipe 63 for flashing the sewage of a chair-type toilet 9 ; a suction port 44 b connected to a pipe 39 for flashing the sewage in an insertion-type toilet 100 ; and a slider 123 for selectively opening and closing the suction port 44 a and the suction port 44 b.
  • the excrement treatment device of the present invention is characterized in that a toilet bowl 12 of the chair-type toilet 9 has a urine sensor 56 and a feces sensor 57 .
  • the excrement treatment device of the present invention is characterized in that the suction valve 44 includes: a switching motor 121 having a horizontally swingable motor shaft 121 a; a slider support plate 124 provided on a tip of a switching arm 122 connected to the horizontally swingable motor shaft 121 a; a slider 123 supported by the slider support plate 124 via an elastic shaft 126 , the slider 123 closing both the suction port 44 a and the suction port 44 b, the slider 123 selectively opening and closing the suction port 44 a and the suction port 44 b, and a pressing roller 129 for pressing the slider 123 toward the suction port 44 a and the suction port 44 b via the elastic shaft 126 and a retaining plate 127 .
  • the excrement treatment device of the present invention is characterized in further comprising: a booster tank 22 connected to a toilet bowl 12 of the chair-type toilet 9 , the booster tank 22 storing a washing water required for one time flushing; and a suction motor 20 which supplies air pressure to the booster tank 22 to deliver the washing water stored in the booster tank 22 to a washing water jet port 17 of the toilet bowl 12 .
  • the excrement treatment device of the present invention is characterized in that a washing water bag 33 having a soft property is provided inside an outer container 62 of the booster tank 22 , an inlet side of the washing water bag 33 is connected to a washing water tank 18 via a water pump 27 , an outlet side of the washing water bag 33 is connected to the washing water jet port 17 of the toilet bowl 12 , and the outer container 62 is connected to the suction motor 20 which feeds the compressed air for compressing the washing water bag 33 to pressure-feed the washing water.
  • the excrement treatment device of the present invention is characterized in that the washing water bag 33 is separated into a plurality of independent bags and the independent bags are respectively connected to washing water jet ports 17 of the toilet bowl 12 .
  • the excrement treatment device of the present invention is characterized in further comprising: a suction motor 20 ; and a switching valve 53 which is exposed to an air suction port and an air discharge port of the suction motor 20 to switch modes between A mode; AB mode and B mode, wherein in the A mode of the switching valve 53 , the air suction port and the sewage tank 19 are connected with each other and the sewage is sucked from the chair-type toilet 9 and the insertion-type toilet 100 to the sewage tank 19 , in the AB mode, an outside air is sucked from the air suction port to blow the outside air into a booster tank 22 and the insertion-type toilet 100 , and in the B mode, the outside air is sucked from the air suction port and pressure-fed to the sewage tank 19 to pressure-feed the sewage to the outside.
  • the excrement treatment device of the present invention is characterized in that odor-absorbing holes 99 having a long narrow shape are formed on left and right side of a toilet bowl end 13 of the toilet bowl 12 of the chair-type toilet 9 , suction boxes 119 are attached to outer sides of the odor-absorbing holes 99 so as to be exposed to the odor-absorbing holes 99 , and the suction boxes 119 are connected to a deodorization filter 21 by a suction hose 120 via a deodorization fan 60 .
  • an excrement treatment method comprising: a step of opening a suction port of a suction valve 44 of a sewage tank 19 and closing a water discharge valve 46 of the sewage tank 19 ; a step of sucking air in the sewage tank 19 from an air inlet/outlet 45 of the sewage tank 19 and sucking a sewage from a pipe connected to the suction port of the suction valve 44 to store the sewage; a step of closing the suction port of the suction valve 44 of the sewage tank 19 and opening the water discharge valve 46 of the sewage tank 19 ; and a step of injecting a compressed air into the air inlet/outlet of the sewage tank 19 to discharge the stored sewage to an outside from the water discharge valve 46 . Accordingly, the sewage can be discharged outside without directly touching the sewage tank in which the sewage is stored. In addition, since the user does not touch the sewage tank, it is excellent in a sanitary aspect.
  • a step of crushing a solid matter in the sewage tank 19 is added before discharging the stored sewage to the outside from the water discharge valve 46 . Accordingly, the sewage stored in the sewage tank can be surely discharged outside.
  • an excrement treatment device comprising: a sewage tank 19 ; a suction valve 44 provided on the sewage tank 19 , the suction valve 44 opening and closing a suction port of a sewage pipe connected to the sewage tank 19 ; a water discharge valve 46 provided on the sewage tank 19 , the water discharge valve 46 discharging the sewage stored in the sewage tank 19 to an outside; an air inlet/outlet 45 provided on the sewage tank 19 for sucking air from the air inlet/outlet 45 to suck the sewage from the sewage pipe connected to the suction port of the suction valve 44 and for injecting a compressed air from the air inlet/outlet 45 to discharge the sewage stored in the sewage tank 19 to the outside; and a suction motor 20 connected to the air inlet/outlet 45 , the suction motor 20 sucking the air into the sewage tank 19 and injecting the compressed air into the sewage tank 19 . Accordingly, the sewage can be treated without leaking the odor
  • a sewage crushing unit 43 is provided on the sewage tank 19 to crush a solid matter in the sewage tank 19 . Accordingly, the excrement can be surely flashed from the sewage tank to the outside.
  • the suction valve 44 provided on the sewage tank 19 includes: a suction port 44 a connected to a pipe 63 for flushing the sewage of a chair-type toilet 9 ; and a slider 123 for opening and closing the suction port 44 a. Accordingly, the sewage can be automatically treated by connecting the chair-type toilet 9 to the sewage tank 19 .
  • the suction valve 44 provided on the sewage tank 19 includes: a suction port 44 b connected to a pipe 39 for flashing the sewage in an insertion-type toilet 100 ; and a slider 123 for opening and closing the suction port 44 b. Accordingly, the sewage can be automatically treated by connecting the insertion-type toilet 100 to the sewage tank 19 .
  • the suction valve 44 provided on the sewage tank 19 includes: a suction port 44 a connected to a pipe 63 for flashing the sewage of a chair-type toilet 9 ; a suction port 44 b connected to a pipe 39 for flashing the sewage in an insertion-type toilet 100 ; and a slider 123 for selectively opening and closing the suction port 44 a and the suction port 44 b. Accordingly, even a user requiring care can defecate or urinate on the chair-type toilet by assistance of a caretaker during daytime and can defecate or urinate without assistance of the caretaker during nighttime. Thus, burden of caretaking can be reduced significantly.
  • a toilet bowl 12 of the chair-type toilet 9 has a urine sensor 56 and a feces sensor 57 . Accordingly, the consumption of the washing water can be changed by detecting the urine or the feces. Thus, a size of the washing water tank can be reduced and the toilet bowl can be adequately treated.
  • the suction valve 44 includes: a switching motor 121 having a horizontally swingable motor shaft 121 a; a slider support plate 124 provided on a tip of a switching arm 122 connected to the horizontally swingable motor shaft 121 a; a slider 123 supported by the slider support plate 124 via an elastic shaft 126 , the slider 123 closing both the suction port 44 a and the suction port 44 b, the slider 123 selectively opening and closing the suction port 44 a and the suction port 44 b, and a pressing roller 129 for pressing the slider 123 toward the suction port 44 a and the suction port 44 b via the elastic shaft 126 and a retaining plate 127 . Accordingly, clogging between the slider 123 and the suction port with the sewage can be prevented and leakage of the odor to the outside can be reduced maximally even when the compressed air is injected into the sewage tank.
  • a booster tank 22 connected to a toilet bowl 12 of the chair-type toilet 9 , the booster tank 22 storing a washing water required for one time flushing, and a suction motor 20 which supplies air pressure to the booster tank 22 to deliver the washing water stored in the booster tank 22 to a washing water jet port 17 of the toilet bowl 12 are further provided.
  • the excrement can be discharged by the minimum amount of water.
  • the feces can be discharged by approximately 400 to 500 cc and the urine can be discharged by approximately 200 to 300 cc of water.
  • a washing water bag 33 having a soft property is provided inside an outer container 62 of the booster tank 22 , an inlet side of the washing water bag 33 is connected to a washing water tank 18 via a water pump 27 , an outlet side of the washing water bag 33 is connected to the washing water jet port 17 of the toilet bowl 12 , and the outer container 62 is connected to the suction motor 20 which feeds the compressed air for compressing the washing water bag 33 to pressure-feed the washing water. Accordingly, the toilet bowl can be cleaned by applying the sufficient water pressure to the washing water.
  • the washing water bag 33 is separated into a plurality of independent bags and the independent bags are respectively connected to washing water jet ports 17 of the toilet bowl 12 . Accordingly, the toilet bowl can be cleaned by applying the desired water flow to a plurality of washing points.
  • a suction motor 20 and a switching valve 53 which is exposed to an air suction port and an air discharge port of the suction motor 20 to switch modes between A mode; AB mode and B mode, wherein in the A mode of the switching valve 53 , the air suction port and the sewage tank 19 are connected with each other and the sewage is sucked from the chair-type toilet 9 and the insertion-type toilet 100 to the sewage tank 19 , in the AB mode, an outside air is sucked from the air suction port to blow the outside air into a booster tank 22 and the insertion-type toilet 100 , and in the B mode, the outside air is sucked from the air suction port and pressure-fed to the sewage tank 19 to pressure-feed the sewage to the outside. Accordingly, operations of sucking the sewage, discharging the odor and pressure-feeding the sewage can be efficiently performed by one suction motor and the switching valves of three modes.
  • odor-absorbing holes 99 having a long narrow shape are formed on left and right side of a toilet bowl end 13 of the toilet bowl 12 of the chair-type toilet 9 , suction boxes 119 are attached to outer sides of the odor-absorbing holes 99 so as to be exposed to the odor-absorbing holes 99 , and the suction boxes 119 are connected to a deodorization filter 21 by a suction hose 120 via a deodorization fan 60 . Accordingly, the odor in the toilet bowl 12 of toilet 9 can be surely sucked.
  • FIG. 1 is an explanatory drawing showing the first embodiment of an excrement treatment device of the present invention.
  • An upper part is an explanatory drawing showing a state of using the device as a chair-type toilet 9 .
  • a lower part is an explanatory drawing showing a state of using the device as an insertion-type toilet 100 .
  • FIG. 2 is a block diagram showing the embodiment 1 of the excrement treatment device of the present invention.
  • FIG. 3A and FIG. 3B are explanatory drawings for explaining an operation for supplying washing water to a hot water toilet unit 11 shown in FIG. 2 .
  • FIG. 3A is a front view of the toilet bowl.
  • FIG. 3B is a plan view of the toilet bowl.
  • FIG. 4A is a perspective view of a toilet body 10 on which a cover 10 a is covered.
  • FIG. 4B is a perspective view of the toilet body 10 where the cover l 0 a is opened.
  • FIG. 4C is a perspective view of the toilet body 10 where the cover 10 a is opened and a toilet seat lid 14 a is opened.
  • FIG. 4D is a perspective view of the toilet body 10 on which the cover 10 a is covered viewed from the rear surface.
  • FIG. 4E is a perspective view where suction boxes 119 for sucking odor are provided on the toilet bowl 12 .
  • FIG. 4F is a perspective view of an insertion-type toilet 100 .
  • FIGS. 5A-5C show a suction valve 44 attached to a washing water tank 19 shown in FIG. 2 .
  • FIG. 5A is a vertical cross-sectional view cut along line A-A in FIG. 5B .
  • FIG. 5B is a bottom view of FIG. 5A .
  • FIG. 5C is a vertical cross-sectional view cut along line B-B in FIG. 5B .
  • FIG. 6 is a block diagram showing the first embodiment of a control circuit in the excrement treatment device of the present invention.
  • FIG. 7 is a flowchart of an operation for supplying water to a toilet of the excrement treatment device of the present invention.
  • FIG. 8A is a flowchart of a toilet mode
  • FIG. 8B is a flowchart of a preliminarily washing
  • FIG. 8C is a flowchart of an operation for supplying water to a booster tank 22 of the washing water.
  • FIG. 9 is a flowchart of a suction operation in the chair-type toilet 9 of the excrement treatment device of the present invention.
  • FIG. 10 is a flowchart of a pressure-feeding operation in the chair-type toilet 9 and the insertion-type toilet 100 of the excrement treatment device of the present invention.
  • FIG. 11 is a flowchart of an operation for sucking both feces and urine in the insertion-type toilet 100 of the excrement treatment device of the present invention.
  • FIG. 12A is a flowchart of an operation for sucking urine in the insertion-type toilet 100 of the excrement treatment device of the present invention.
  • FIG. 12B is a flowchart of an operation for washing in the insertion-type toilet 100 .
  • FIG. 13 is a flowchart of an operation for sucking feces in the insertion-type toilet 100 of the excrement treatment device of the present invention.
  • An excrement treatment method of the present invention comprising:
  • a step of crushing a solid matter in the sewage tank 19 is added before discharging the stored sewage to the outside from the water discharge valve 46 .
  • An excrement treatment device of the present invention comprising:
  • a suction valve 44 provided on the sewage tank 19 , the suction valve 44 opening and closing a suction port of a sewage pipe connected to the sewage tank 19 ;
  • a water discharge valve 46 provided on the sewage tank 19 , the water discharge valve 46 discharging the sewage stored in the sewage tank 19 to an outside;
  • an air inlet/outlet 45 provided on the sewage tank 19 for sucking air from the air inlet/outlet 45 to suck the sewage from the sewage pipe connected to the suction port of the suction valve 44 and for injecting a compressed air from the air inlet/outlet 45 to discharge the sewage stored in the sewage tank 19 to the outside;
  • a suction motor 20 connected to the air inlet/outlet 45 , the suction motor 20 sucking the air into the sewage tank 19 and injecting the compressed air into the sewage tank 19 .
  • a sewage crushing unit 43 is provided on the sewage tank 19 to crush a solid matter in the sewage tank 19 .
  • the suction valve 44 provided on the sewage tank 19 includes: a suction port 44 a connected to a pipe 63 for flashing the sewage of a chair-type toilet 9 and/or a suction port 44 b connected to a pipe 39 for flashing the sewage in an insertion-type toilet 100 ; and a slider 123 for selectively opening and closing the suction port 44 a and the suction port 44 b.
  • a toilet bowl 12 of the chair-type toilet 9 has a urine sensor 56 and a feces sensor 57 .
  • the suction valve 44 includes: a switching motor 121 having a horizontally swingable motor shaft 121 a; a slider support plate 124 provided on a tip of a switching arm 122 connected to the horizontally swingable motor shaft 121 a; a slider 123 supported by the slider support plate 124 via an elastic shaft 126 , the slider 123 closing both the suction port 44 a and the suction port 44 b, the slider 123 selectively opening and closing the suction port 44 a and the suction port 44 b, and a pressing roller 129 for pressing the slider 123 toward the suction port 44 a and the suction port 44 b via the elastic shaft 126 and a retaining plate 127 .
  • a booster tank 22 connected to a toilet bowl 12 of the chair-type toilet 9 , the booster tank 22 storing a washing water required for one time flushing, and a suction motor 20 which supplies air pressure to the booster tank 22 to deliver the washing water stored in the booster tank 22 to a washing water jet port 17 of the toilet bowl 12 are further provided.
  • a washing water bag 33 having a soft property is provided inside an outer container 62 of the booster tank 22 , an inlet side of the washing water bag 33 is connected to a washing water tank 18 via a water pump 27 , an outlet side of the washing water bag 33 is connected to the washing water jet port 17 of the toilet bowl 12 , and the outer container 62 is connected to the suction motor 20 which feeds the compressed air for compressing the washing water bag 33 to pressure-feed the washing water.
  • the washing water bag 33 is separated into a plurality of independent bags and the independent bags are respectively connected to washing water jet ports 17 of the toilet bowl 12 .
  • a suction motor 20 and a switching valve 53 which is exposed to an air suction port and an air discharge port of the suction motor 20 to switch modes between A mode; AB mode and B mode are provided, wherein in the A mode of the switching valve 53 , the air suction port and the sewage tank 19 are connected with each other and the sewage is sucked from the chair-type toilet 9 and the insertion-type toilet 100 to the sewage tank 19 , in the AB mode, an outside air is sucked from the air suction port to blow the outside air into a booster tank 22 and the insertion-type toilet 100 , and in the B mode, the outside air is sucked from the air suction port and pressure-fed to the sewage tank 19 to discharge the sewage to the outside.
  • Odor-absorbing holes 99 having a long narrow shape are formed on left and right side of a toilet bowl end 13 of the toilet bowl 12 of the chair-type toilet 9 , suction boxes 119 are attached to outer sides of the odor-absorbing holes 99 so as to be exposed to the odor-absorbing holes 99 , and the suction boxes 119 are connected to a deodorization filter 21 by a suction hose 120 via a deodorization fan 60 .
  • the excrement treatment device of the present invention has a chair-type toilet 9 and an insertion-type toilet 100 .
  • the toilet body 10 can be used as the chair-type toilet 9 and also used as the insertion-type toilet 100 .
  • the chair-type toilet 9 is referred to as a toilet 9 and the insertion-type toilet 100 is referred to as a cup 100 .
  • the sewage means not only the sewage but also includes solid sewage.
  • a washing water tank 18 , a sewage tank 19 , a suction motor 20 , a deodorization filter 21 , a toilet bowl 12 of the toilet 9 , a booster tank 22 , a CPU 71 and the like are housed in a reinforcing frame inside the toilet body 10 .
  • Connector 108 connected to the cup 100 and the like are provided on the rear surface.
  • the excrement treatment device is freely movable by wheels 23 .
  • a cover 10 a is covered on the toilet body 10 .
  • the hot water toilet unit 11 appears.
  • the toilet seat lid 14 a which is covered on the hot water toilet unit 11 is folded and raised, a toilet seat 14 and a toilet bowl 12 appear as shown in FIG. 4C .
  • the folded toilet seat lid 14 a functions as a backrest.
  • Armrests 38 are provided on both sides of the toilet seat 14 .
  • the armrests 38 a function as an assistance device for a user 6 to place the hand on the armrests 38 a when the user 6 stands up from the toilet seat 14 . If the armrests 38 obstructs the user 6 when sitting down the toilet seat 14 , the armrests 38 can be housed inside the toilet body 10 as shown by broken lines.
  • the washing water tank 18 is provided on the rear surface of the toilet body 10 so that the washing water tank 18 can be pulled out of the toilet body 10 .
  • a pipe 39 for the excrement to be connected with the cup 100 an air blowing pipe 105 , a water flowing pipe 106 and a connector 108 to be connected with an electric cord 107 are provided.
  • a pipe 61 for discharging the sewage of the sewage tank 19 is provided.
  • the cup 100 is set to the crotch of the user 6 and protected by a diaper 7 .
  • a urine sensor 103 and a feces sensor 104 are provided in an excrement receptor 101 of the cup 100 .
  • the toilet bowl 12 is fixedly attached.
  • the sewage tank 19 In addition to the above described washing water tank 18 , the sewage tank 19 , the suction motor 20 , the filter 21 and the booster tank 22 , pipes, various valves, control boards, electric wiring and the like are housed inside the toilet body 10 .
  • the hot water toilet unit 11 is attached to the toilet bowl end 13 which is located above the toilet bowl 12 .
  • a commercially available hot water toilet unit having a toilet seat 14 , a toilet seat lid 15 and an inside hot water nozzle is used for the hot water toilet unit 11 .
  • odor-absorbing holes 99 having a long narrow shape are formed on left and right sides of the toilet bowl end 13 of the toilet bowl 12 , suction boxes 119 are attached so as to be exposed to the odor-absorbing holes 99 , and the suction boxes 119 are connected to a deodorization filter 21 by a suction hose 120 via a deodorization fan 60 .
  • the toilet body 10 has a whole size of, for example, approximately 750 mm in length, 550 mm in width and 800 mm in height.
  • the shape of the toilet body 10 is designed not to cause incompatibility even if the toilet body is placed in a room.
  • the urine sensor 56 and the feces sensor 57 are provided inside the toilet bowl 12 .
  • a sensor of measuring an amount of the urine by detecting a quantity of infrared rays generated from the urine can be used, for example.
  • a pressure sensor can be used, for example, for measuring an amount of the feces as a pressure change when the excrement is sucked from a discharge trap 16 shown in FIG. 3 .
  • the hardness of the feces can be distinguished by a motor torque of the suction motor 20 which sucks the feces into the sewage tank 19 .
  • 1 is a toilet controller
  • 2 is a cup controller
  • 3 is a washing water controller
  • 4 is an excrement controller
  • 5 is an external controller.
  • the washing water tank 18 has a capacity of storing approximately 4 liters of washing water 25 considering the usage of approximately ten times defecation or urination per day.
  • a sub tank 18 a having a water level sensor 24 is attached near the bottom of the washing water tank 18 .
  • the washing water of approximately 1 liter is always stored in the sub tank 18 a since the washing water naturally drops from the washing water tank 18 .
  • a water pump 27 is connected to the sub tank 18 a having the above described capacity via a filter 26 .
  • the driving time of the water pump 27 is controlled by a timer. 31 is a relief valve.
  • the water pump 27 is connected to a connector 30 of the hot water toilet unit 11 via a check valve 28 and a water pressure sensor 29 .
  • signals of the water pressure sensor 29 are transmitted to the later described water pump control circuit 66 of the CPU 71 .
  • a comparison circuit 68 compares the signals of the water pressure sensor 29 with a target value preliminarily set in a water pressure setting circuit 67 .
  • a pulse width control signal is outputted from a PWM control circuit 69 according to the deviation values calculated above. Since the amount of the water of the water pump 27 is controlled by the above described output signal, the water pressure can be kept stable.
  • the relief valve 31 operates in certain abnormal conditions to prevent the pressure of the water supply passage of the hot water toilet unit 11 from becoming higher. Thus, the hot water toilet unit 11 is protected.
  • the water pump 27 is connected to the washing water bag 33 of the booster tank 22 via a washing water supply valve 32 b.
  • the washing water bag 33 is made of a soft material not having elasticity.
  • a water level sensor 34 is provided inside the washing water bag 33 .
  • the washing water bag 33 is housed in a hermetically sealed outer container 62 made of hard material.
  • the outer container 62 is not limited to the hard material as long as the outer container 62 hardly expands when the compressed air is inserted into the outer container 62 .
  • the outer container 62 does not expand and the inside air passes through a throttle valve 51 and the filter 21 and discharged to the outside air.
  • the number of the washing water bag 33 can be one. However, it is preferable to provide a plurality of washing water bags 33 as shown in FIG. 2 and FIG. 3A . For example, it is more preferable to provide two water bags 33 which are independent from each other. Specifically, the washing water of approximately 300 cc is filled in a first washing water bag 33 a and the washing water of approximately 100 to 150 cc is filled in a second washing water bag 33 b. The first washing water bag 33 a is directly connected to the washing water jet port 17 a located at the center. The second washing water bag 33 b is used for supplying the washing water to the discharge trap 16 so that the discharge trap 16 stores the washing water of approximately 100 to 150 cc for the next discharge. The second washing water bag 33 b is connected to the washing water jet ports 17 b, 17 c.
  • the water pump 27 is connected to a jet nozzle 16 a which swingable as shown in FIG. 3B via a washing water supply valve 32 a.
  • the washing water is jetted in a wide range by the swing motion of the jet nozzle 16 a before and after the toilet 9 is used for preventing the adhesion of feces and eliminating odor.
  • the cup 100 is shown in FIG. 4F .
  • the cup 100 is attached to the crotch of the user 6 by using the diaper 7 on which a hole is formed at a position of an excretory organ as shown in FIG. 1 to prevent the leakage of odor and feces to the outside.
  • the urine sensor 102 , the feces sensor 104 and a washing water jet nozzle are provided on the excrement receptor 101 of the cup 100 .
  • the pipe 39 which is be communicated with an excrement suction port 102 of the excrement receptor 101 , the water flowing pipe 106 of the washing water, the air blowing pipe 105 of the hot air, and the electric cord 107 of the electric signal are connected to the rear surface of the cup 100 .
  • the pipe 39 , the water flowing pipe 106 , the air blowing pipe 105 and the electric cord 107 are connected to the rear surface of the toilet body 10 by the connector 108 .
  • the air blowing pipe 105 is connected via the connector 108 to a temperature adjustment sensor 113 which has an excessive temperature rise monitoring sensor inside the toilet body 10 and an air temperature sensor.
  • the water flowing pipe 106 is connected to the water pump 27 via the connector 108 through a safety tank 112 having a temperature sensor and an excessive temperature rise sensor inside the toilet body 10 , a water drain pump 111 for discharging the washing water in the pipe line to the cup 100 , a washing valve 110 for controlling the feeding of the washing water, and a heat insulation tank 109 having a thermal fuse, a temperature sensor and a water full sensor.
  • the electric cord 107 is connected to the CPU 71 housed in the toilet body 10 via the connector 108 .
  • a suction valve 44 for switching between a toilet suction port 44 a and a cup suction port 44 b, an air inlet/outlet 45 , and a sewage motor 43 a to function as a sewage crushing unit 43 are provided on a top plate part of the sewage tank 19 .
  • a full sensor 41 and an empty sensor 40 of sewage 42 are provided inside the sewage tank 19 .
  • a water discharge valve 46 is provided on a bottom plate part of the sewage tank 19 .
  • a rotary blade 43 c is provided on a lower end part of a rotation axis 43 b of the sewage motor 43 a to crush the solid matter such as feces and toilet paper gathered at a crushing basket 43 d.
  • the crushed sewage 42 passes through the check valve 28 and the pipe 61 and leads to a discharge pipe 47 of an external discharge unit 5 connected by the connector 108 .
  • the suction valve 44 switches the positions of the ports in the following three ways: opening the toilet suction port 44 a and closing the cup suction port 44 b; closing the toilet suction port 44 a and opening the cup suction port 44 b; and closing simultaneously the toilet suction port 44 a and the cup suction port 44 b.
  • the toilet suction port 44 a and the cup suction port 44 b are bored side by side on the top plate part of the sewage tank 19 .
  • the pipe 63 of the toilet side is connected to the toilet suction port 44 a and the pipe 39 of the cup side is connected to the cup suction port 44 b.
  • a switching motor 121 is attached to the upper surface of the top plate part.
  • the motor shaft 121 a of the switching motor 121 is hung down to inside the sewage tank 19 .
  • the suction valve 44 is attached to the lower surface of the top plate part via a mounting plate 130 .
  • the details of the suction valve 44 are as follows.
  • the slider support plate 124 orthogonally arranged to the switching arm 122 is supported by two pins 125 so that the switching arm 122 and the slider support plate 124 are movable in the axial direction while keeping the cross shape with respect to each other.
  • Two elastic shafts 126 made of rubber or the like are provided on both ends of the slider support plate 124 .
  • the slider 123 is provided on the elastic shafts 126 to switch the opening/closing of the toilet suction port 44 a and the cup suction port 44 b.
  • a retaining plate 127 is fixed to the slider support plate 124 by inserting screws 128 into the switching arm 122 .
  • two pressing rollers 129 are provided to face the swinging position of the retaining plate 127 .
  • the slider 123 has an ellipse shape capable of closing both the toilet suction port 44 a and the cup suction port 44 b simultaneously.
  • the elastic shafts 126 are pressed via the slider support plate 124 and the slider 123 is pressed to both the toilet suction port 44 a and the cup suction port 44 b to close them simultaneously.
  • the motor shaft 121 a of the switching motor 121 is rotated to the left or right direction by 60 degrees as shown in the chain line of FIG. 5B , one of the toilet suction port 44 a and the cup suction port 44 b is opened and the other is closed.
  • the pipe 63 for discharging the excrement of the discharge trap 16 of the toilet bowl 12 is connected to the toilet suction port 44 a of the sewage tank 19
  • the pipe 39 for discharging the excrement of the cup 100 is connected to the cup suction port 44 b.
  • an air inlet/outlet 45 of the sewage tank 19 is connected to an input (suction) side of the valve A and an output (outside air compression) side of the valve B of the three way switching valve 53 provided on the suction motor 20 via a mist filter 52 .
  • An output (discharge) side of the valve A and an output (outside air compression) side of the valve AB of the switching valve 53 are connected to the booster tank 22 by a pipe 64 at the toilet 9 side and connected to the blowing pipe 105 via a temperature monitor sensor 113 at the cup 100 side. Furthermore, the pipe 64 is connected to the filter 21 via the throttle valve 51 .
  • valves A, AB and B of the three way switching valve 53 is actuated by a motor valve 49 .
  • FIG. 6 shows the connection relation between the CPU 71 and sensors, switches and other components as an entire control circuit.
  • An operation panel 72 is connected to the CPU 71 .
  • switches a power switch 73 a, an excrement suction switch 73 b, a sewage pressure-feed switch 73 c and a toilet/cup changeover switch 73 d are provided on the operation panel 72 .
  • indicator lamps a power indicator lamp 74 a, an operation indicator lamp 74 b, a washing water shortage lamp 74 c and a sewage full lamp 74 d are provided.
  • 75 is an input terminal from the urine sensor 103 and the feces sensor 104 of the cup 100
  • 76 is an input terminal for inputting an instruction of washing and sucking the cup 100
  • 79 is an output terminal to the suction motor 20
  • 80 is an input terminal of the water level sensor 34 of the booster tank 22
  • 81 is an input/output terminal of the operation panel
  • 82 is an input/output terminal of the washing water level sensor
  • 83 is an input terminal of the water pressure sensor
  • 84 is an output terminal of the water pump
  • 85 is an output terminal of the washing water supply valve 32 b connected to the booster tank 22
  • 86 is an output terminal to a deodorization fan 60
  • 87 is an input terminal of a seating sensor 58
  • 88 is an input terminal of the feces sensor 57
  • 89 is an input terminal of the urine sensor 56
  • 90 is an output terminal to the sewage crushing unit 43
  • 91 is an output terminal to the motor valve 49
  • 92 is
  • FIG. 12 A A first figure.
  • the switching valve 53 is connected to the suction motor 20 so as to be switchable in three-ways, the sewage is sucked from the chair-type toilet 9 and the insertion-type toilet 100 in A mode, the outside air is blew into the booster tank 22 and the insertion-type toilet 100 in AB mode, and the function of pressure-feeding from the sewage tank 19 to the discharge pipe 47 located outside.
  • the present invention is not limited to the above described configuration.
  • the above described functions can be achieved by independent suction motors.
  • any two of the above described functions and the other functions can be achieved by independent suction motors.
  • suction hose 121 : switching motor, 122 : switching arm, 123 : slider, 124 : slider support plate, 125 : pins, 126 : elastic shaft (rubber), 127 : retaining plate, 128 : screw, 129 : pressing roller, 130 : switching valve mounting plate

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Non-Flushing Toilets (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Treatment Of Sludge (AREA)
  • Fertilizers (AREA)
US16/480,313 2017-01-25 2018-01-23 Excrement treatment method and device for same Abandoned US20200040561A1 (en)

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JP2017-010928 2017-01-25
JP2017010928 2017-01-25
PCT/JP2018/001876 WO2018139424A1 (ja) 2017-01-25 2018-01-23 排泄物処理方法及びその装置

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EP (1) EP3574812A4 (ja)
JP (1) JP7065790B2 (ja)
KR (1) KR102547934B1 (ja)
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AU (1) AU2018211721B2 (ja)
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US11510834B2 (en) 2019-06-28 2022-11-29 Libertysolution Co., Ltd. Automatic excretion disposal device and building
US20230000295A1 (en) * 2021-07-02 2023-01-05 Ludlow D. Forbes Interactive training toilet
US11583472B1 (en) * 2020-03-03 2023-02-21 Carrol Myers-Ramsay Spa system

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CN110464570B (zh) * 2019-07-26 2024-10-01 南京云部智能科技有限公司 护理床用马桶、护理床及使用方法
CN110426241B (zh) * 2019-07-26 2022-05-27 重庆德方信息技术有限公司 大便取样清洗控制系统
CN111467144B (zh) * 2020-04-27 2022-02-01 宿州学院 一种用于大小便收集处理的多功能轮椅的自动感应系统
CN113081451A (zh) * 2021-03-15 2021-07-09 广东美捷威通生物科技有限公司 一种大便失禁病人卧床用引流装置
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US11583472B1 (en) * 2020-03-03 2023-02-21 Carrol Myers-Ramsay Spa system
US20230000295A1 (en) * 2021-07-02 2023-01-05 Ludlow D. Forbes Interactive training toilet
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EP3574812A1 (en) 2019-12-04
JP7065790B2 (ja) 2022-05-12
JPWO2018139424A1 (ja) 2019-12-12
CN110582219B (zh) 2022-06-07
KR20190116278A (ko) 2019-10-14
CN110582219A (zh) 2019-12-17
KR102547934B1 (ko) 2023-06-26
WO2018139424A1 (ja) 2018-08-02
EP3574812A4 (en) 2020-11-25
AU2018211721A1 (en) 2019-09-05
SG11201907489SA (en) 2019-09-27
AU2018211721B2 (en) 2023-04-27

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