WO2023053219A1 - 便座装置及び大便器装置 - Google Patents
便座装置及び大便器装置 Download PDFInfo
- Publication number
- WO2023053219A1 WO2023053219A1 PCT/JP2021/035692 JP2021035692W WO2023053219A1 WO 2023053219 A1 WO2023053219 A1 WO 2023053219A1 JP 2021035692 W JP2021035692 W JP 2021035692W WO 2023053219 A1 WO2023053219 A1 WO 2023053219A1
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- WO
- WIPO (PCT)
- Prior art keywords
- toilet seat
- toilet
- detection device
- excrement
- heating device
- Prior art date
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Images
Classifications
-
- 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
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
- A47K13/30—Seats having provisions for heating, deodorising or the like, e.g. ventilating, noise-damping or cleaning devices
- A47K13/305—Seats with heating devices
-
- 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
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
- A47K13/30—Seats having provisions for heating, deodorising or the like, e.g. ventilating, noise-damping or cleaning devices
-
- 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
-
- 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
-
- 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
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
-
- 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 disclosed embodiments relate to toilet seat devices and commode devices.
- Patent Document 1 Conventionally, there has been known a toilet seat device equipped with a detection device capable of detecting excrement excreted into the toilet bowl (see Patent Document 1, for example).
- the detection device used in the toilet seat device described in Patent Document 1 has a light emitting section capable of irradiating excrement with infrared light and a light receiving section capable of receiving reflected light from the excrement. . It is possible to estimate the health condition of the user from the excrement information detected by this detector. Moreover, the detection device is arranged in the toilet seat so as not to make the user aware that his/her excrement is being detected.
- the toilet seat device When the toilet seat device has a heating function, it is used for heating such as a heater for heating the toilet seat, and a heating device that actively heats the toilet seat is provided inside the toilet seat.
- a detection device for optically detecting excrement is arranged in a narrow device such as a toilet seat as in the toilet seat device described in Patent Document 1, the heat generated by the heating device adversely affects the detection device. may cause For example, in the case of using an instrument with low heat resistance as the detection device, repeated heat generation by the heating device will lead to deterioration and damage of the instrument.
- the optical information acquired by the detection device requires a certain degree of accuracy.
- the degree of heat generated by the heating device differs due to appropriate adjustment by the user, etc., the thermal effect on the detector will not necessarily be stable. Fluctuations and variations in accuracy may occur.
- the disclosed embodiment solves the above-described problems, and in a toilet seat device in which a detection device for optically detecting excrement is provided in the toilet seat, a heating device that actively heats the toilet seat generates
- An object of the present invention is to reduce the possibility that the generated heat may adversely affect the detection device.
- a toilet seat device is a toilet seat device that is attached to the upper part of a toilet bowl having a bowl portion for receiving excrement, and includes: a toilet seat upper plate forming a seating surface on which a user sits; a toilet seat bottom plate that is joined to the top plate and faces the upper surface of the toilet bowl; a heating device that is provided between the toilet seat top plate and the toilet seat bottom plate and heats the toilet seat top plate; and a detection device that detects the heating device, and the detection device is arranged so as to be out of contact with the heating device.
- the heating device provided between the toilet seat top plate and the toilet seat bottom plate and the detection device provided on the toilet seat are arranged so as not to contact each other. This makes it possible to reduce the possibility that the heat generated by the heating device will adversely affect the detection device.
- non-contact means that the heating device and the detection device are arranged at a predetermined distance in order to reduce the possibility of the detection device being thermally affected by the heat generated by the heating device. .
- a heat-resistant resin for example, rigid polyvinyl chloride
- the toilet seat device preferably includes heat transfer suppressing means for suppressing transfer of heat generated by the heating device to the detecting device. According to the toilet seat device according to one aspect of the embodiment, since the heat transfer suppressing means for suppressing the transfer of heat generated by the heating device to the detection device is provided, the heat generated by the heating device may adversely affect the detection device. can be reduced.
- the heat transfer suppressing means is composed of a heat insulating material, and the heat insulating material is arranged between the heating device and the detection device. According to the toilet seat device according to one aspect of the embodiment, since the heat insulating material is arranged between the heating device and the detection device, the possibility that the heat generated by the heating device adversely affects the detection device can be reduced. becomes possible.
- gaps are provided between the heat insulating material and the heating device and between the heat insulating material and the detection device.
- a space a layer of air
- the heat insulating material and the detection device of the present invention are installed on the toilet seat, when a person sits on the toilet seat, the toilet seat bends due to the weight of the person, and the heat insulating material is detected.
- the abutment of the device may cause an abnormal noise not intended by the designer.
- the toilet seat device can reduce the possibility of abnormal noise being generated when the toilet seat is in use. can also reduce the conduction of heat from the heating device to the insulation and the sensing device.
- the heating device is not provided directly above the detection device, but the heat transfer means is provided directly above, and the heat transfer means and the heating device are in contact with each other. .
- the heating device since the heating device is not provided directly above the detection device, the heat from the heating device is not easily transmitted to the detection device, and the detection device deteriorates and is damaged. can reduce the possibility.
- there is no heating device directly above the detection device it is difficult for the surface of the toilet seat to warm up, and the user sitting on the toilet seat may feel cold in some areas. Therefore, by providing heat transfer means for indirectly transferring the heat from the heating device to the outside directly above the detection device, it is possible to prevent the corresponding portion of the toilet seat from becoming cold.
- the detection device is arranged such that a portion of the detection device protrudes from the toilet seat bottom plate, and a remaining portion of the detection device enters the inside of the toilet seat.
- the heating device and the detection device can be sufficiently separated from each other. This makes it possible to reduce the possibility that the heat generated by the heating device will adversely affect the detection device.
- the length in the height direction of the detection device inserted inside the toilet seat is shorter than the distance between the heating device and the detection device. According to the toilet seat device according to one aspect of the embodiment, even when the detection device is inserted inside the toilet seat, it is possible to prevent the detection device from being broken by the heating device.
- a toilet device is a toilet device including a rim spout that spouts cleansing water along the rim of the toilet, and includes a toilet and a and an attached toilet seat device.
- the detection device is arranged at a position not facing the rim spout. According to the toilet device according to one aspect of the present embodiment, since the detection device is arranged at a position not facing the rim spout, the washing water discharged from the rim spout splashes on the detection device, causing the detection device to It is possible to reduce the risk of adverse effects.
- the detection device is preferably arranged inside the inner circumference of the rim portion. According to the toilet bowl device according to one aspect of the present embodiment, since the detection device is arranged inside the inner circumference of the rim portion, a part of the detection device is projected downward from the upper surface of the toilet bowl. becomes possible. That is, it becomes possible to sufficiently separate the distance between the heating device and the detection device. This makes it possible to reduce the possibility that the heat generated by the heating device will adversely affect the detection device.
- FIG. 1 is a perspective view showing an example of the configuration of a toilet device according to one embodiment of the present invention.
- FIG. 2 is a top view showing an example of the configuration of the toilet device according to one embodiment of the present invention.
- FIG. 3 is an exploded perspective view showing an example of the configuration of the toilet seat device according to one embodiment of the present invention.
- FIG. 4 is an enlarged cross-sectional view taken along line AA of FIG. 5 is a partially enlarged view of FIG. 4.
- FIG. FIG. 6 is a diagram showing an example of the configuration of a detection device according to one embodiment of the present invention.
- FIG. 7 is a diagram showing an example of data analysis of excrement shape.
- FIG. 8 is a diagram showing an example of data analysis of excrement color.
- FIG. 9 is a diagram showing an example of the relationship between excreta and blood.
- FIG. 10 is a diagram showing an example of data analysis of excrement color.
- FIG. 11 is a diagram showing an example of data analysis of excrement color.
- FIG. 12 is a diagram showing an example of a toilet seat device with another configuration.
- FIG. 1 is a perspective view showing an example of the configuration of a toilet device according to an embodiment.
- FIG. 2 is a top view showing an example of the configuration of the toilet device according to the embodiment.
- the toilet device 1 includes a toilet seat device 2 and a Western-style toilet (hereinafter referred to as "toilet") 7.
- the toilet bowl 7 is installed on the floor surface F of the toilet room R.
- FIG. the direction which faces the space of the toilet room R from the floor surface F is described as the top.
- the toilet bowl 7 is, for example, made of ceramic.
- a bowl portion 8 is formed in the toilet bowl 7 .
- the bowl portion 8 has a downwardly recessed shape, and is a portion that receives excrement excreted by the user.
- the toilet bowl 7 is not limited to the floor-standing type as shown in the drawing, and may be of a wall-mounted type. Further, a flush water tank for storing flush water may be installed in the rear upper portion of the toilet bowl 7, or a so-called tankless type in which a flush water tank is not installed may be used.
- a rim portion 9 is formed on the upper edge of the toilet bowl 7 .
- the upper surface of the rim portion 9 faces the back surface of the toilet seat 5 in the closed state.
- the rim portion 9 is provided with a rim spout 9a (see FIG. 2).
- the rim spout 9 a spouts cleansing water along the inner peripheral surface of the rim portion 9 into the bowl portion 8 for discharging the excrement of the user out of the toilet bowl 7 .
- the toilet bowl is washed by supplying wash water from the rim spout 9a into the bowl portion 8.
- the surface of the bowl portion 8 is washed and the excrement of the user is discharged from the bowl portion 8 .
- the toilet seat device 2 is attached to the upper part of the toilet bowl 7 and includes a functional part 3, a toilet lid 4, and a toilet seat 5.
- the toilet seat device 2 may be detachably attached to the toilet bowl 7 or may be attached so as to be integrated with the toilet bowl 7 .
- the toilet seat device 2 includes a mechanism for performing a heating function for warming the buttocks of the user sitting on the toilet seat 5, and a mechanism for performing an excrement detection function.
- the excrement detection function is a function of detecting excrement (particularly stool) excreted by the user seated on the toilet seat 5 of the toilet seat device 2 and acquiring information on the excrement.
- Information on excrement refers to the presence or absence of excrement and the properties of excrement (shape, size, hardness, color, etc.).
- the excrement detection function may include a function of detecting the presence of toilet paper or a foreign object together with the excrement.
- the toilet seat device 2 may also include a mechanism for performing a sanitary cleaning function. That is, the toilet seat device 2 may be configured to include a water discharge nozzle 6 that jets water toward the buttocks of a user sitting on the toilet seat 5 or the like. Moreover, the toilet seat device 2 may be provided with a mechanism for performing a warm air drying function and a deodorizing function. That is, the toilet seat device 2 may be configured to include a blower unit that blows warm air toward the buttocks of the user sitting on the toilet seat 5 and a deodorizing unit that sucks the air in the bowl portion 8 .
- the toilet seat 5 has an annular shape with an opening 50 in the center, and is arranged along the upper surface of the rim portion 9 so as to partially cover the opening formed above the bowl portion 8 . That is, the toilet seat 5 has a shape such that a portion of the toilet seat 5 protrudes inward from the inner periphery of the rim portion 9 . In addition, the toilet seat 5 functions as a seat that supports the buttocks of the seated user.
- each of the toilet lid 4 and the toilet seat 5 is pivotally supported by the functional part 3, and attached to be rotatable (openable and closable) about the pivotal part of the functional part 3.
- the toilet lid 4 can cover the upper part of the toilet seat 5 in the closed state.
- the toilet lid 4 is attached to the toilet seat device 2 as necessary, and the toilet seat device 2 does not have to include the toilet lid 4 .
- FIG. 3 is an exploded perspective view showing an example of the configuration of the toilet seat device according to the embodiment.
- FIG. 4 is an enlarged cross-sectional view taken along line AA of FIG. 5 is a partially enlarged view of FIG. 4.
- FIG. 4 is an enlarged cross-sectional view taken along line AA of FIG. 5 is a partially enlarged view of FIG. 4.
- the toilet seat 5 includes a toilet seat top plate 11, a heating device 13, a detection device 15, and a toilet seat bottom plate 17 in order from the top.
- the heating device 13 and the sensing device 15 are arranged in a cavity 19 formed between the toilet seat top plate 11 and the toilet seat bottom plate 17 . That is, the toilet seat 5 includes therein a heating device 13 for performing a heating function and a detection device 15 for performing an excrement detection function. Moreover, it is preferable that the toilet seat 5 is provided with a heat transfer suppression means 21 between the heating device 13 and the detection device 15 .
- the toilet seat 5 is formed by joining the toilet seat upper plate 11 and the toilet seat bottom plate 17 by a welding method such as vibration welding.
- the toilet seat 5 may be formed by fitting the toilet seat top plate 11 and the toilet seat bottom plate 17 to each other.
- the toilet seat top plate 11 and the toilet seat bottom plate 17 are made of thermoplastic resin such as fiber reinforced plastics (FRP) or polypropylene (PP).
- the toilet seat upper plate 11 includes a seat portion 11a forming a ring-shaped seat surface (upper surface of the toilet seat) inclined obliquely downward toward the bowl portion 8 side of the toilet bowl, and a seat portion 11a. It is formed of an inner peripheral portion 11b extending downward from the inner edge and an outer peripheral portion 11c extending downward from the outer edge of the seating portion 11a.
- the toilet seat upper plate 11 is formed so that the thickness of the seat portion 11a is thinner than the inner peripheral portion 11b and the outer peripheral portion 11c in order to quickly transfer the heat generated by the heating device 13 to the seating surface.
- the heating device 13 is arranged inside the hollow portion 19 on the back surface of the seating portion 11a.
- the heating device 13 is a heat transfer wire (heater) that generates heat.
- the heating device 13 may be a heater that generates heat according to the amount of electricity controlled by a control device (not shown) provided in the functional unit 3 .
- a heat transfer means (not shown) is provided on the back surface of the seat portion 11a, and is a uniform heat spreader that uniformly transfers the heat from the heater to the seat portion 11a.
- the heater extends over substantially the entire back surface of the seating portion 11a via a heat spreader, and heats the toilet seat 5 from the inside.
- the heat transfer means is, for example, a member made of metal such as aluminum.
- the heating device 13 is not provided directly above the detection device 15, but the heat transfer means is provided directly above the detection device 15, and the heat transfer means and the heating device 13 (heating means) are in contact with each other.
- the heating device 13 is not provided on the rear surface of the seating portion 11a above the detection device 15, but a heat transfer means (heat equalizer) is provided.
- the heating device 13 is not provided on the rear surface of the seating portion 11a facing the upper surface of the detection device 15, but a heat transfer means (heat equalizer) is provided.
- the heater a so-called tubing heater, a sheathed heater, a halogen heater, a carbon heater, or the like may be used.
- the shape of the heater may be any shape such as a wire shape, a sheet shape, or a mesh shape.
- the heat equalizer is made of foil or the like made of a metal having a high thermal conductivity such as aluminum or copper.
- the heating device 13 may use, for example, an induction heating method in which heating is performed by electromagnetic induction.
- the detection device 15 is arranged in the cavity 19 so as to be out of contact with the heating device 13 . This makes it possible to reduce the possibility that the heat generated by the heating device 13 will adversely affect the detection device 15 . A detailed structure of the detection device 15 will be described in detail in the description of FIG.
- the toilet seat bottom plate 17 is a bottom plate that constitutes the lower surface of the toilet seat 5. As shown in FIG. 4, the toilet seat bottom plate 17 is provided with a toilet seat cushion 20 that supports the toilet seat 5 by coming into contact with the upper surface of the toilet bowl 7 when the toilet seat 5 is closed. Further, as shown in FIG. 4, the toilet seat bottom plate 17 is formed with a concave portion 17a so that a portion of the detection device 15 can protrude downward from the toilet seat bottom plate 17. As shown in FIG. The concave portion 17a is sealed with packing or the like to prevent water from entering the toilet seat 5 from the outside.
- the concave portion 17a can suppress the deformation of the toilet seat bottom plate 17 due to the load generated when the user sits on the toilet seat 5.
- the periphery of the detection device 15 can be reinforced by the concave portion 17a, deformation of the toilet seat bottom plate 17 may have adverse effects such as damage to the detection device 15 and deterioration in detection accuracy due to misalignment of the detection device 15. can be suppressed.
- the heat transfer suppression means 21 is provided between the heating device 13 and the detection device 15 inside the hollow portion 19 .
- the heat transfer suppression means 21 is a heat insulating material provided between the heating device 13 and the detection device 15 .
- the heat insulating material is a plate made of resin or a plate made of metal, and more preferably, a foamed heat insulating member such as urethane having excellent heat insulating properties.
- the heat transfer suppressing means 21 is a vacuum heat insulating material that reduces heat conduction by gas by making the surroundings a vacuum state, or a fiber-based heat insulating material (glass wool, rock wool, etc.) that reduces heat conduction due to physical and chemical properties. , formed of foamed heat insulating material (urethane foam, polystyrene foam, etc.). Therefore, the heat transfer suppressing means 21 can reduce the possibility that the heat generated by the heating device 13 adversely affects the detecting device 15 .
- the heat transfer suppressing means 21 made of a foamed heat insulating material is inexpensive, but may burn if abnormal heat generation occurs due to disconnection of the heater, which is the heating device 13, or the like. Therefore, it is preferable that the heat transfer suppressing means 21 is arranged at a predetermined distance from the heating device 13 so as not to contact the heating device 13 .
- the heat transfer suppressing means 21 is preferably arranged so as to be in contact with the back surface of the toilet seat bottom plate 17 .
- the heat generated by the heating device 13 can be suppressed from radiating to the toilet seat bottom plate 17 side, so the time until the heat generated by the heating device 13 is transmitted to the seat portion 11a is shortened, Energy saving can be achieved.
- the heat transfer suppressing means 21 described above is merely an example, and the heat transfer suppressing means includes, for example, a bottom plate having a lower thermal conductivity than the toilet seat upper plate 11 .
- FIG. 6 is a diagram showing an example of the configuration of a detection device according to one embodiment of the present invention. Note that the configuration of the detection device 15 shown in FIG. 6 is merely an example, and the detection device includes, for example, a lens, a light receiving sensor, a light emitting unit (such as an LED), and a housing that accommodates them.
- the detection device 15 includes a light emitting unit 23 that emits light in response to an electrical signal controlled by a control device (not shown) provided in the functional unit 3, and a light emitting unit 23 that emits light. It comprises a light receiving section 25 for receiving reflected light from the user's excrement, and a housing 27 for supporting the light emitting section 23 and the light receiving section 25 .
- the detection device 15 detects excrement (especially stool) excreted by the user and acquires data on the excrement.
- the detection device 15 detects, for example, data regarding the presence or absence of excrement and the properties (shape, size, hardness, color, etc.) of the excrement. Processing executed by the functional unit 3 on the data detected by the detection device 15 will be described later.
- the light emitting unit 23 includes a light emitting element (not shown) such as an LED (Light Emitting Diode).
- a light emitting element such as an LED (Light Emitting Diode).
- the light-emitting element provided in the light-emitting unit 23 is not limited to the LED, and various elements may be used.
- the light emitted from the light emitting unit 23 is not limited to white light having uniform wavelengths of visible light, and may be colored light having only specific wavelengths or invisible light such as infrared rays.
- the light receiving section 25 includes a lens 26 and a light receiving element (not shown).
- the light receiving element is formed by, for example, a line sensor or an area sensor in which CCD (Charge Coupled Device) sensors or CMOS (Complementary Metal Oxide Semiconductor) sensors are arranged. Further, the light receiving section may be configured to have a spectral function such as a spectral filter.
- a mode in which the light emitting unit 23 and the light receiving unit 25 are supported by the same housing 27, in other words, a mode of the detection device 15 in which the light emitting unit 23 and the light receiving unit 25 are integrated has been described.
- the light-emitting unit 23 and the light-receiving unit 25 are supported by different housings 27, in other words, the light-emitting unit 23 and the light-receiving unit 25 are arranged as separate bodies, and the function of the detection device 15 is executed by the functions provided by each. A certain aspect may be sufficient.
- the light-emitting part 23 and the light-receiving part 25 may be adversely affected by the heat generated by the heating device 13. Specifically, if the light-emitting unit 23 is used in an environment with a high ambient temperature, parts such as a capacitor provided on the power supply board may be damaged, or the life of the light-emitting element may be shortened, resulting in variations in illuminance. As a result, the detection accuracy may decrease. In addition, when the degree of heat generation of the heating device 13 is appropriately adjusted by the user, the detection sensitivity of the light receiving element 25 may vary. As a result, there is a risk that fluctuations and variations may occur in the accuracy of one-time detection of excrement and the accuracy of continuous detection of excrement over time.
- the detection device 15 is arranged at a position not facing the rim spout 9a. For example, as shown in FIG. 2, when the rim spout 9a is provided on the left side of the toilet bowl 7 in the left-right direction, the detection device 15 is arranged on the right side of the toilet bowl 7 in the left-right direction. Therefore, it is possible to prevent the washing water discharged from the rim water discharge port 9a from splashing on the detection device 15 .
- the arrangement position of the detection device 15 is not limited to the arrangement example described above as long as it is a position where the cleansing water discharged from the rim spout 9a does not splash. Therefore, for example, as shown in FIG. , on the right side of the rim and in front of the rim spout 9a.
- the light-emitting part 23 and the light-receiving part 25 provided in the detection device 15 are arranged so as to protrude from the toilet seat bottom plate 17 via a concave portion 17a provided in the toilet seat bottom plate 17 .
- the distance between the heating device 13 and the light emitting unit 23 and the light receiving unit 25 can be sufficiently increased. Therefore, it is possible to reduce the possibility that the heat generated by the heating device 13 will adversely affect the light emitting section 23 and the light receiving section 25 .
- the detection device 15 is arranged inside the inner circumference of the rim portion 9 . More specifically, the detection device 15 is arranged along the inner peripheral portion 11b of the upper plate 11 of the toilet seat. Since the toilet seat 5 has a shape in which a portion of the toilet seat 5 protrudes inward from the inner periphery of the rim portion 9, by arranging the detection device 15 along the inner periphery 11b of the upper plate 11 of the toilet seat, The light-emitting part 23 and the light-receiving part 25 included in the detection device 15 can be arranged so as to protrude below the upper surface of the rim part 9 .
- the distance between the heating device 13 and the light emitting unit 23 and the light receiving unit 25 can be sufficiently increased.
- the detection device 15 inside the inner peripheral surface of the rim portion 9 , it is possible to make it less likely to be splashed by the washing water swirling along the inner peripheral surface of the rim portion 9 . Therefore, it is possible to further reduce the possibility that the heat generated by the heating device 13 will adversely affect the light emitting section 23 and the light receiving section 25 .
- the detection device 15 is latched to a rim portion 17b formed on the inner peripheral surface of the recess 17a. Specifically, the detection device 15 is hooked to the rim portion 17b by hooking a portion thereof. Thereby, the detection device 15 is configured to be detachable from the rim portion 17b.
- the toilet seat bottom plate 17 can be detected regardless of the presence or absence of the detection device 15 by configuring a cover that can hide the recessed portion 17a and can be latched to the rim portion 17b. can be shared.
- FIG. 7 is a diagram showing an example of data analysis of excrement shape.
- the object OB1 in FIG. 7 schematically shows the excrement (stool) to be detected, and an outline of how the shape of the excrement is measured will be described using the object OB1 as an example.
- the longitudinal direction of the object OB1 is defined as the vertical direction
- the direction perpendicular to the longitudinal direction (transverse direction) is defined as the horizontal direction.
- Such an object OB1 falls in a vertical direction.
- Each measurement result RS1 to RS3 is a graph showing the reflectance of reflected light from the excrement detected by each pixel of the light receiving element.
- Each measurement result RS1 to RS3 indicates the measurement result corresponding to each vertical position of the object OB1.
- a measurement result RS1 indicates a measurement result corresponding to the upper end of the object OB1.
- a measurement result RS2 indicates a measurement result corresponding to the central portion of the object OB1 in the vertical direction.
- a measurement result RS3 indicates a measurement result corresponding to the lower end of the object OB1.
- a control device provided in the functional unit 3 detects the presence or absence of the reflectance of each pixel received by the light receiving element.
- the control device obtains a peak value from among the pixels with reflection.
- the central portion is the peak value.
- the control device identifies that the pixel X0 is the image having the peak value in the measurement result RS2.
- the control device compares the difference in reflectance between the pixel having the peak value and the adjacent pixels, and when a reflectance equal to or higher than a predetermined value or equal to or lower than a predetermined value is confirmed, it is estimated that the light is reflected light from excrement. Note that the control device processes colors in the same manner.
- the control device When it is confirmed that the light is reflected from excrement, the control device performs the same processing on the pixels adjacent to that pixel. This allows the controller to determine the edge of the waste and estimate the width of the waste. For example, the control device estimates that the range from the pixel X1 to the image X2 is excrement in the measurement result RS2. In the measurement result RS1, the control device estimates that the width L, which is narrower than the range from the pixel X1 to the image X2 in the measurement result RS2, is the width of the excrement.
- the controller analyzes the shape of the excrement by stacking the measurement results RS1 to RS3. In the example of FIG. 7, the controller has the widest part (central part) corresponding to the measurement result RS2, the part (upper end) corresponding to the measurement result RS1, and the part (lower end) corresponding to the measurement result RS3. ), the width becomes narrower.
- the toilet seat device 2 detects the object OB1 falling from the user toward the bowl portion 8 of the toilet bowl 7.
- the object OB1 which is falling excrement
- the object OB1 is detected in order from the bottom to the top by passing in front of the light-emitting portion 23 and the light-receiving portion 25 in the order of the lower end portion, the center portion, and the upper end portion.
- the object OB1 which is the falling excrement is detected in order of the measurement result RS3, the measurement result RS2, and the measurement result RS1.
- the toilet seat device 2 can detect excrement (stool) falling from the user.
- the toilet seat device 2 may detect not only falling excrement but also excrement after being submerged in the sealed water in the bowl portion 8 .
- FIG. 8 is a diagram showing an example of data analysis of excrement color.
- description is abbreviate
- the object OB2 in FIG. 8 indicates virtual excrement (stool), and differs from the object OB1 in FIG. 7 in that the object OB2 includes a blood region BD in the center.
- the measurement results RS1-RS3 shown in FIG. 8 correspond to the measurement results RS1-RS3 of the object OB1 in FIG. 7 without the blood region BD.
- the control device identifies pixels having a peak value for light with a wavelength having a characteristic reflectance for blood, among the light irradiated to the object OB2, which is excrement. For example, the control device identifies pixels having a peak value for light including a wavelength of 670 nm, which has a characteristic reflectance for blood, among the light irradiated to the object OB2, which is excrement.
- a measurement result RS4 shown in FIG. 8 indicates a measurement result for a portion including the blood region BD like the object OB2.
- the measurement result RS4 shown in FIG. 8 indicates the measurement result when a portion of the object OB2 including the blood region BD is irradiated with light that does not include 670 nm.
- the wavelength having a characteristic reflectance for blood is not limited to 670 nm, and may be in the range of 600 nm to 800 nm. This is because, in this wavelength band, when blood is attached to stool, the reflectance for the blood color is detected more remarkably than for the color of the stool.
- FIG. 9 is a diagram showing an example of the relationship between excreta and blood.
- a graph GR1 shown in FIG. 9 is a diagram showing the relationship between the reflection of stool and the reflection of blood adhering to stool for each wavelength.
- Line FL1 in graph GR1 in FIG. 9 indicates the reflectance of each wavelength (approximately 600 nm to approximately 870 nm) with respect to excrement (stool). As shown by line FL1 in FIG. 9, in the case of excrement (stool), the reflectance increases as the wavelength increases. As shown by line FL1 in FIG. 9, in the case of excrement (feces), the reflectance is lowest near 600 nm and highest near 870 nm.
- Line BD1 in graph GR1 of FIG. 9 indicates the reflectance of each wavelength (approximately 600 nm to approximately 870 nm) with respect to blood adhering to stool. As shown by the line BD1 in FIG. 9, in the case of blood adhering to stool, the difference between the reflectance near 670 nm and the line FL1 is the smallest, and the difference between the reflectance and the line FL1 increases as the distance from 670 nm increases. .
- Graph GR1 in FIG. 9 shows that the ratio of the reflectance of blood adhering to stool to the reflectance of stool is highest near 670 nm and decreases as the distance from 670 nm increases.
- graph GR1 shown in FIG. 9 shows that the reflectance ratio of blood adhering to stool to the reflectance of stool is large at a wavelength of 670 nm, and the reflectance of blood to the reflectance of stool is large at a wavelength of 870 nm. ratio is small.
- the toilet seat device 2 can detect blood adhering to excrement (stool) based on the reflectance ratio of each wavelength as described above. Moreover, the toilet seat device 2 can analyze the color of excrement based on the reflectance ratio of each wavelength as described above. This point will be described with reference to FIGS. 10 and 11.
- FIG. 10 and 11 are diagrams showing an example of data analysis of excrement color.
- the measurement results RS11 to RS13 shown in FIG. 10 show the measurement results when different colored excretions (stool) are measured.
- the color of excrement (feces) to be measured may become darker in the order of measurement results RS11, RS12, and RS13.
- the measurement result RS11 is the measurement result of ocher excrement (stool)
- the measurement result RS12 is the measurement result of brown excrement (stool)
- the measurement result RS13 is the measurement result of dark brown excrement (stool). It may be a measurement result.
- each of LED#1, LED#2, and LED#3 shown in each of the measurement results RS11 to RS13 in FIG. 10 is a light-emitting element that emits light.
- Each curve of shows the relationship between pixel and reflectance.
- each of the LED#1, the LED#2, and the LED#3 may be a light-emitting element that emits light in any wavelength region.
- the darker the color of the stool the smaller the reflectance for each wavelength.
- the reflectance for each wavelength in the measurement result RS13 which has the darkest color of excrement (stool), is small, and the ratio of the respective reflectances is large.
- the measurement result RS11 in which the color of the excrement (stool) is the lightest, increases the reflectance for each wavelength, and decreases the ratio of the respective reflectances. For example, the closer to a light color, the more strongly the light of each wavelength is reflected, so the difference in the reflectance of each wavelength becomes smaller.
- the toilet seat device 2 can classify the color of excrement (stool) by analyzing the relationship between wavelength and reflectance as described above. For example, the toilet seat device 2 classifies the measurement results RS11 to RS13 based on the reflectance ratio for each of the LED#1, LED#2, and LED#3, like the classification result RS21 shown in FIG. classify the color of excrement (stool) in each measurement.
- the toilet seat device 2 uses the ratio of the reflectance of LED#1 to the reflectance of LED#2 and the ratio of the reflectance of LED#3 to the reflectance of LED#2 to obtain each measurement result RS11- Classify the color of RS13 excrement (stool).
- the toilet seat device 2 has "reflectance of LED#1/reflectance of LED#2" on the X-axis and "reflectance of LED#3/reflectance of LED#2" on the Y-axis.
- the color of excrement (feces) in each measurement is classified according to the positions of RS11 to RS13.
- the toilet seat device 2 classifies the color of excrement (stool) in the measurement as "ocher” when the X-axis direction is less than X1 and the Y-axis direction is less than Y1.
- the toilet seat device 2 classifies the color of the excrement (stool) in the measurement as "brown” when X1 or more and less than X2 in the X-axis direction and Y1 or more and less than Y2 in the Y-axis direction.
- the toilet seat device classifies the excrement (stool) color in the measurement as "dark brown” when the X-axis direction is X2 or more and the Y-axis direction is Y2 or more. Note that the above is just an example, and the toilet seat device 2 may classify the color of excrement (stool) in each measurement by any method.
- FIG. 12 is a diagram showing an example of a toilet seat device with another configuration.
- FIG. 12 is a diagram showing an example of a toilet seat device with another configuration.
- FIG. 12 is a diagram showing an example of a toilet seat device with another configuration.
- FIG. 12 is a diagram showing an example of a toilet seat device with another configuration.
- FIG. 12 is a diagram showing an example of a toilet seat device with another configuration.
- FIG. 12 is a diagram showing an example of a toilet seat device with another configuration. For example, FIG.
- FIG. 12 is an enlarged cross-sectional view of the toilet seat device 2 having openings 17a instead of recesses 17a, taken along line AA in FIG.
- the configuration of the toilet seat device 2 shown in FIG. 12 is the same as that of the toilet seat device 2 described above, except that the concave portion 17a is an opening 17a. .
- a gap is provided between the heat transfer suppressing means 21 made of heat insulating material and the detection device 15 .
- the void referred to here is, for example, a space filled with air.
- a region surrounded by the heat transfer suppressing means 21 , the toilet seat bottom plate 17 and the detecting device 15 in FIG. 12 corresponds to the gap between the heat transfer suppressing means 21 and the detecting device 15 .
- a gap is provided between the heat transfer suppressing means 21 and the heating device 13 and between the heat transfer suppressing means 21 and the detection device 15, which are formed of a heat insulating material.
- it is desirable that the gap between the heat transfer suppressing means 21 and the detection device 15 is 0.3 mm or more.
- the distance between the heat transfer suppressing means 21 and the detection device 15 is 0.3 mm or more.
- the heat transfer suppressing means 21 formed of a heat insulating material is installed at a position closer to the detecting device 15 than the heating device 13 .
- the detection device 15 is arranged so that a part thereof protrudes from the toilet seat bottom plate 17 and the remaining part enters inside the toilet seat 5 .
- the detection device 15 is arranged so that a portion thereof protrudes from the toilet seat bottom plate 17 through the opening 17 a and the remaining portion thereof enters the inside of the toilet seat 5 .
- the length in the height direction where the detection device 15 is inserted inside the toilet seat 5 is shorter than the distance between the heating device 13 and the detection device 15 .
- the distance from the upper surface of the detection device 15 to the bottom surface of the toilet seat bottom plate 17 is shorter than the shortest distance between the heating device 13 and the detection device 15 .
- Reference Signs List 1 toilet device 2: toilet seat device 3: function part 4: toilet lid 5: toilet seat 6: water discharge nozzle 7: toilet bowl 8 Bowl portion 9 Rim portion 9a Rim spout 11 Toilet seat upper plate 13 Heating device 15 Detecting device 17 Toilet seat bottom plate 17 a Recessed portion 17 b Rim portion 19 Cavity portion 21 Heat transfer suppressing means 23 Light emitting portion 25 Light receiving portion
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Abstract
Description
実施形態の一態様に係る便座装置によれば、便座上板と便座底板との間に設けられる加熱装置と、便座に設けられる検知装置とが、非接触となるようにそれぞれ配置されている。これにより、加熱装置によって発生した熱が検知装置に悪影響を及ぼすおそれを軽減することが可能となる。
実施形態の一態様に係る便座装置によれば、加熱装置によって発生した熱が検知装置に伝わるのを抑制する伝熱抑制手段を備えるため、加熱装置によって発生した熱が検知装置に悪影響を及ぼすおそれを軽減することが可能となる。
実施形態の一態様に係る便座装置によれば、断熱材が、加熱装置と検知装置との間に配置されているため、加熱装置によって発生した熱が検知装置に悪影響を及ぼすおそれを軽減することが可能となる。
例えば、検知装置に、加熱装置からの熱を伝わりにくくするためには、加熱装置と、加熱装置と検知装置との間に配置されている断熱材との間に、空隙(空気の層)を設けることで、断熱材にも加熱装置からの熱を直接伝えないように構成することが望ましい。この際、加熱装置からの熱を断熱材へ直接伝えないように、できるだけ該空隙の大きさを大きく確保するため、検知装置に当接する位置に断熱材を配置することが考えられる。しかし、このような構成を採用する場合、本発明の断熱材や検知装置は便座に設置されているため、便座に人が座った際に、便座が人の重さによって撓み、断熱材と検知装置が当接することで、設計者が意図していない異音が発生してしまう恐れがある。したがって、あえて、断熱材と検知装置との間にも空隙を設けることで、実施形態の一態様に係る便座装置によれば、便座の使用時に、異音が発生してしまう恐れを低減しつつも、断熱材および検知装置への加熱装置からの熱の伝導を抑制できる。
実施形態の一態様に係る便座装置によれば、検知装置の直上には加熱装置が設けられていないため、検知装置に加熱装置からの熱が伝わりにくくなり、検知装置が劣化、破損してしまう可能性を低減できる。この際、検知装置の直上には加熱装置がないため、便座表面が暖まりにくく、便座に座った使用者が、部分的に冷たく感じてしまう可能性がある。そこで、検知装置の直上に、加熱装置からの熱を間接的に外部に伝える伝熱手段を設けることで、便座の該当箇所が冷たくなってしまうことを抑制できる。
実施形態の一態様に係る便座装置によれば、検知装置の一部が、便座底板から突出し、残りの一部は前記便座の内側に入り込むように配置されているため、加熱装置と検知装置との距離を十分に離すことが可能となる。これにより、加熱装置によって発生した熱が検知装置に悪影響を及ぼすおそれを軽減することが可能となる。
実施形態の一態様に係る便座装置によれば、検知装置を便座の内側に入り込ませた場合であっても、加熱装置によって検知装置が壊れてしまうことを抑制できる。
本実施形態の一態様に係る大便器装置によれば、検知装置がリム吐水口と対向しない位置に配置されるため、リム吐水口から吐出された洗浄水が検知装置にかかることにより検知装置に悪影響を及ぼすおそれを軽減することが可能となる。
本実施形態の一態様に係る大便器装置によれば、検知装置がリム部の内周よりも内側に配置されているため、検知装置の一部を大便器の上面よりも下方に突出させることが可能となる。すなわち、加熱装置と検知装置との距離を十分に離すことが可能となる。これにより、加熱装置によって発生した熱が検知装置に悪影響を及ぼすおそれを軽減することが可能となる。
まず、本発明の一実施形態に係る大便器装置の構成について図1及び図2を参照して説明する。図1は、実施形態に係る大便器装置の構成の一例を示す斜視図である。図2は、実施形態に係る大便器装置の構成の一例を示す上面図である。
次に、本発明の一実施形態に係る便座装置の構成について図3~図5を参照して説明する。図3は、実施形態に係る便座装置の構成の一例を示す分解斜視図である。図4は、図2のA-A線に沿って見た断面の拡大図である。図5は、図4の部分拡大図である。
均熱体は、アルミや銅などの熱伝導率の大きい金属の箔等により形成される。
次に、検知装置の構成について、図6を参照して説明する。図6は、本発明の一実施形態に係る検知装置の構成の一例を示す図である。なお、図6で示す検知装置15の構成は一例に過ぎず、検知装置は、例えば、レンズ、受光センサ、発光部(LED等)、及びそれらを収納する筐体で構成される。
続いて、検知装置の配置位置について、図2乃至図5を参照して説明する。
ここから、図7及び図8を用いて、検知装置によって検知された排泄物(大便)の形状や色等の性状に関するデータ分析について説明する。以下では、機能部3に設けられた制御装置が排泄物(大便)の形状や色に関するデータ分析の処理を実行する場合を一例として説明する。なお、このデータ分析は、便座装置2または検知装置15と有線または無線で接続される外部装置(図示略)によって行われても構わない。
まず、排泄物の形状に関するデータ分析について図7を参照して説明する。図7は、排泄物の形状のデータ分析の一例を示す図である。
なお、制御装置は、色についても同様に処理する。
まず、排泄物の色に関するデータ分析について図8を参照して説明する。図8は、排泄物の色のデータ分析の一例を示す図である。なお、図7と同様の点については、同じ符号を付すこと等により、適宜説明を省略する。
なお、上述した便座装置2の構成は一例に過ぎず、便座装置2は上述した構成に限られない。便座装置2の便座底板17には開口が形成されてもよい。例えば、便座装置2は、便座底板17の凹部17aが、便座底板17に設けられた開口部17aであってもよい。例えば、開口部17aは、便座5の内部空間と外部空間とに連通する。この構成の便座装置2について、以下図12を用いて説明する。図12は、他の構成の便座装置の一例を示す図である。例えば、図12は、凹部17aに代えて開口部17aを有する便座装置2を、図2のA-A線に沿って見た断面の拡大図である。図12に示す構成の便座装置2は、凹部17aが開口部17aである点以外は、上述した便座装置2の構成と同様であるため、上述した内容と同様の点については適宜説明を省略する。
2・・・・便座装置
3・・・・機能部
4・・・・便蓋
5・・・・便座
6・・・・吐水ノズル
7・・・・便器
8・・・・ボウル部
9・・・・リム部
9a・・・リム吐水口
11・・・便座上板
13・・・加熱装置
15・・・検知装置
17・・・便座底板
17a・・凹部
17b・・リム部
19・・・空洞部
21・・・伝熱抑制手段
23・・・発光部
25・・・受光部
Claims (10)
- 排泄物を受けるボウル部が形成された大便器の上部に取り付けられる便座装置であって、
使用者が着座する着座面を構成する便座上板と、
前記便座上板と接合され、前記大便器に相対する便座底板と、
前記便座上板と前記便座底板との間に設けられ、前記便座上板を加熱する加熱装置と、
前記便座に設けられ、前記排泄物を光学的に検知する検知装置と、を備え、
前記検知装置は、前記加熱装置と非接触となるように配置されていることを特徴とする便座装置。 - さらに、前記加熱装置によって発生した熱が前記検知装置に伝わるのを抑制する伝熱抑制手段を備える請求項1に記載の便座装置。
- 前記伝熱抑制手段は、断熱性機能を有する断熱材によって構成され、
前記断熱材は、前記加熱装置と前記検知装置との間に配置されている請求項2に記載の便座装置。 - 前記断熱材と前記加熱装置との間、および、前記断熱材と前記検知装置との間には、それぞれ空隙が設けられている請求項3に記載の便座装置。
- 前記検知装置の直上には前記加熱装置は設けられておらず、直上には伝熱手段が設けられており、
前記伝熱手段と前記加熱装置は、当接している請求項1乃至4の何れか一項に記載の便座装置。 - 前記検知装置は、その一部が前記便座底板から突出し、残りの一部は前記便座の内側に入り込むように配置されている請求項1乃至5の何れか一項に記載の便座装置。
- 前記検知装置の前記便座の内側に入り込んでいる高さ方向の長さは、前記加熱装置と前記検知装置との間の距離よりも短い請求項6に記載の便座装置。
- 前記大便器のリム部に沿って洗浄水を吐水するリム吐水口を備えた大便器装置であって、
前記大便器と、
前記大便器の上部に取り付けられる請求項1乃至7の何れか一項に記載の便座装置と、
を有することを特徴とする大便器装置。 - 前記検知装置は、上記リム吐水口と対向しない位置に配置されている請求項8に記載の大便器装置。
- 前記検知装置は、上記リム部の内周よりも内側に配置されている請求項8または9に記載の大便器装置。
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CN202180102234.5A CN117940047A (zh) | 2021-09-28 | 2021-09-28 | 便座装置以及大便器装置 |
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JP2010233925A (ja) * | 2009-03-31 | 2010-10-21 | Toto Ltd | 暖房便座装置 |
JP2011212088A (ja) * | 2010-03-31 | 2011-10-27 | Toto Ltd | 暖房便座装置 |
US20180087969A1 (en) * | 2016-09-27 | 2018-03-29 | David R. Hall | In-Toilet Apparatus for Discrimination of Urine and Feces |
JP2018146244A (ja) | 2017-03-01 | 2018-09-20 | 株式会社Lixil | 便器装置、及び便座装置 |
JP2021036976A (ja) * | 2019-08-30 | 2021-03-11 | Toto株式会社 | 便座装置及び排泄物検知装置 |
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JP2010233925A (ja) * | 2009-03-31 | 2010-10-21 | Toto Ltd | 暖房便座装置 |
JP2011212088A (ja) * | 2010-03-31 | 2011-10-27 | Toto Ltd | 暖房便座装置 |
US20180087969A1 (en) * | 2016-09-27 | 2018-03-29 | David R. Hall | In-Toilet Apparatus for Discrimination of Urine and Feces |
JP2018146244A (ja) | 2017-03-01 | 2018-09-20 | 株式会社Lixil | 便器装置、及び便座装置 |
JP2021036976A (ja) * | 2019-08-30 | 2021-03-11 | Toto株式会社 | 便座装置及び排泄物検知装置 |
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