WO2006118275A1 - 暖房便座とそれを搭載したトイレ装置 - Google Patents
暖房便座とそれを搭載したトイレ装置 Download PDFInfo
- Publication number
- WO2006118275A1 WO2006118275A1 PCT/JP2006/309041 JP2006309041W WO2006118275A1 WO 2006118275 A1 WO2006118275 A1 WO 2006118275A1 JP 2006309041 W JP2006309041 W JP 2006309041W WO 2006118275 A1 WO2006118275 A1 WO 2006118275A1
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- WO
- WIPO (PCT)
- Prior art keywords
- toilet seat
- temperature
- radiation
- thermostat
- radiant
- Prior art date
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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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
- G05D23/303—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature using a sensing element having a resistance varying with temperature, e.g. thermistor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/029—Heaters specially adapted for seat warmers
Definitions
- the present invention relates to a toilet seat having a heating function.
- a hollow portion 1 is formed inside, and a seat portion 3 of a ring-shaped toilet seat 2 used on a toilet is made of transparent polypropylene resin.
- the radiant heat from the lamp heater 4 provided along the entire ring shape of the toilet seat 2 in the cavity 1 is quickly transmitted to the seat 3 to quickly raise the temperature of the warming surface on which the user sits, while the lamp heater
- the thermostat 5 connected in series to 4 prevented the toilet seat 2 from overheating (see, for example, Patent Document 1).
- FIG. 36 shows a conventional heating toilet seat described in Patent Document 2.
- the cross sectional shape of the toilet seat body 301 is bulged upward and the upper surface of the toilet seat is inclined gently toward the inner and outer peripheral edges.
- a synthetic resin or rubber contact piece 302 was provided on the back surface at a required interval.
- a flexible surface heating element 303 in which a conductive material is covered with an insulating sheet from both sides is attached or exposed on the surface of the toilet seat body 301. It was provided by burying.
- the surface heating element 303 is configured by forming printed wiring in a predetermined pattern and attaching a synthetic resin sheet to the surface.
- [0006] 304 is an insulating resin layer made of a synthetic resin such as polyamide or polyester and is coated on the toilet seat body 301 so as to cover the surface heating element 303 provided on the upper surface of the toilet seat body 301.
- the surface heating element 303 provided on the upper surface of the toilet seat body 301 is energized, so that the human body body 301 can be used immediately without heating the toilet seat body 301.
- the part can be warmed at an appropriate temperature, the heater is always energized, and the toilet seat is heated. It is very energy saving.
- Patent Document 1 Japanese Patent Laid-Open No. 2000-210230
- Patent Document 2 Japanese Utility Model Publication No. 59-194897
- the lamp heater 4 in this type of heated toilet seat, the lamp heater 4 must save the toilet seat temperature quickly in a short period of time before it is energized and seated immediately before the user sits on the toilet seat to save power. Therefore, it is necessary to use a lamp heater in the form of a temperature rise instantaneously. Therefore, when a thermostat of the above-mentioned form is connected to such a lamp heater energization circuit and used as a means for preventing overheating, the electric heater used in a normal heating appliance is hardly a problem.
- a heated toilet seat that uses a lamp heater that directly puts the buttocks and rises in temperature instantaneously overheats the appropriate temperature, causing discomfort to the user, and further inconvenience. If the heat exceeds pleasure, the user may have to get up from the toilet seat.
- the problem to be solved by the present invention is to provide a heated toilet seat that can quickly detect a temperature change of a radiant heating element and can be used safely and comfortably. .
- the present invention provides a heated toilet seat with a sense of security that allows the surface of the seating portion to be appropriately temperatured in an extremely fast time and allows the user to be seated by recognizing that the temperature of the toilet seat is appropriate.
- the purpose is to provide.
- the present invention makes it possible for the surface of the seating portion to have an appropriate temperature in an extremely fast time and allows the user to recognize the temperature condition of the toilet seat surface even if the safety device breaks down.
- the purpose is to provide a heated toilet seat.
- the present invention provides a seat having a seat portion, a toilet seat having a hollow portion therein, a radiant heating element provided in the cavity portion, and a temperature for detecting the temperature of the seat portion of the toilet seat.
- a thermostat having a detecting means, a reflector for reflecting the radiation light of the radiation-type heating element, a bimetal connected in series to the radiation-type heating element and receiving the radiation light of the radiation-type heating element;
- a heating toilet seat including a control unit that controls energization of the radiation-type heating element according to a signal from the temperature detection means.
- the heated toilet seat is heated by directly receiving the radiation light of the radiation-type heating element by the thermostat's bimetal, so that the temperature change can be detected quickly and there is no response delay, and the temperature control is safe. You can use a heated toilet seat comfortably.
- the heating toilet seat according to the present invention can be used to directly heat the thermostat with radiation light from a radiation-type heating element.
- the metal is heated and the temperature change can be detected quickly, and the temperature change of the toilet seat can be controlled quickly.
- ⁇ 1 Schematic configuration diagram showing a cross section of the main part of the toilet seat of the heating toilet seat according to Embodiment 1 of the present invention.
- ⁇ 2 Perspective view of a toilet device in which the heating toilet seat according to Embodiment 1 is mounted on a toilet.
- FIG. 3 is a plan view with the seating portion of the heating toilet seat removed in the first embodiment.
- FIG. 5 is a sectional view of a seating portion of the heating toilet seat according to the first embodiment.
- FIG. 6 is a cross-sectional view of the main part of the heating toilet seat according to the second embodiment.
- FIG. 7 is a characteristic diagram of temperature control of the heating toilet seat in the first embodiment.
- FIG. 8 is a cross-sectional view of the main part of the heating toilet seat in the second embodiment
- FIG. 9 Cross section of the main part of a conventional heated toilet seat
- FIG. 11 is a schematic configuration diagram showing a cross-section of the main part of the toilet seat of the heating toilet seat according to the third embodiment of the present invention.
- FIG. 12 Perspective view of a toilet apparatus in which the heating toilet seat according to Embodiment 3 is mounted on a toilet bowl
- FIG. 13 is a plan view with the seating part of the heating toilet seat removed in the third embodiment
- FIG. 15 is a sectional view of the seating part of the heating toilet seat according to the third embodiment.
- FIG. 16 is a sectional view of the main part of the heating toilet seat according to the third embodiment.
- FIG. 17 is a sectional view of the main part of the heating toilet seat according to the third embodiment.
- FIG. 18 is a characteristic diagram of temperature control of the heating toilet seat in the third embodiment.
- FIG. 19 is a characteristic diagram of temperature control of the heating toilet seat according to the third embodiment.
- FIG. 20 is a cross-sectional view of the main part of the heating toilet seat according to the fourth embodiment.
- FIG. 21 is a schematic configuration diagram showing a cross-section of the main part of the toilet seat of the heating toilet seat according to the fifth embodiment of the present invention.
- FIG. 22 Perspective view of a toilet device in which the heating toilet seat according to the fifth embodiment is mounted on a toilet bowl.
- FIG. 23 A plan view with the seating portion of the heating toilet seat according to the fifth embodiment removed.
- FIG. 24 is an exploded perspective view of the main part of the heating toilet seat according to the fifth embodiment.
- FIG. 25 is a sectional view of a radiant heating element mounting portion of the heating toilet seat according to the fifth embodiment.
- FIG. 26 is a sectional view of the seating part of the heating toilet seat in the fifth embodiment
- FIG. 27 is a sectional view of the main part of the heating toilet seat according to the fifth embodiment.
- FIG. 29 is a characteristic diagram of temperature control of the heating toilet seat in the fifth embodiment.
- FIG. 30 is a sectional view of the main part of the heating toilet seat according to the sixth embodiment.
- FIG. 32 is a partially cutaway plan view of the heated toilet seat according to the seventh embodiment of the present invention.
- FIG. 33 is a cross-sectional view of the main part of the heating toilet seat according to the seventh embodiment of the present invention.
- FIG. 34 is a cross-sectional view of the main part of the upper frame body of the heating toilet seat in the seventh embodiment of the present invention.
- FIG. 35 is a cross-sectional view of the main part of the upper frame of the heating toilet seat according to the eighth embodiment of the present invention.
- FIG.36 Cross section of the main part of a conventional heated toilet seat
- FIG. 38 is a partially cutaway plan view of the heating toilet seat according to the ninth embodiment of the present invention.
- FIG. 39 is a cross-sectional view of the main part of the heating toilet seat according to the ninth embodiment of the present invention.
- FIG. 40 is a cross-sectional view of the main part of the upper case of the heating toilet seat according to the ninth embodiment of the present invention.
- ⁇ 41] A perspective view when the heating toilet seat fails in the ninth embodiment of the present invention.
- FIG. 42 is a cross-sectional view of main parts of the upper case of the heating toilet seat according to the tenth embodiment of the present invention.
- the first invention provides a seat portion, a toilet seat having a hollow portion therein, a radiant heating element provided in the hollow portion, a temperature detecting means for detecting a temperature of the seat portion of the toilet seat, and the radiation.
- a thermostat having a reflector for reflecting the radiant light of the heating element, a bimetal connected in series to the radiant heating element and receiving the radiant light of the radiant heating element, and a signal of the temperature detecting means And a control unit that controls energization of the radiation-type heating element.
- the second invention provides a seat portion provided with a radiation absorbing layer, a toilet seat having a hollow portion therein, a radiation-type heating element provided in the hollow portion, and a temperature for detecting the temperature of the seat portion of the toilet seat.
- a thermostat having a detection means, a reflector for reflecting the radiation light of the radiation-type heating element, and a bimetal connected in series to the radiation-type heating element and receiving the radiation light of the radiation-type heating element
- a heating toilet seat including a tattoo and a control unit that controls energization of the radiation-type heating element by a signal from the temperature detection means.
- the thermostat heats the bimetal with the radiant light from the radiant heating element, quickly predicts the temperature change of the toilet seat, and is used in the energizing circuit of the radiant heating element.
- the energizing circuit can be cut off before the toilet seat temperature rises abnormally. Therefore, it is not necessary to keep the toilet seat warm while the radiant heating element is energized at all times, for example, for a few seconds until the user enters the toilet and sits on the toilet seat. It is possible to use a radiant heating element that can raise the temperature to an appropriate temperature at high speed, making it possible to use a very energy-saving heating toilet seat safely.
- a third invention is the first invention or the second invention, wherein the seating portion is made of aluminum having a radiation absorbing layer on the inner surface, and the radiation absorbing layer emits radiation from the radiation heating element.
- Aluminum that absorbs the emitted heat efficiently and has high thermal conductivity provides a soaking effect that makes the temperature distribution faster and more uniform.
- Aluminum and aluminum have a specific gravity as small as about 1 Z3 of steel, so it can be made lighter and its heat capacity can be reduced, so that the heating rate can be increased.
- the seating portion had a wall thickness of 0.8 to 1.2 mm.
- the seating portion has a wall thickness of 0.8 to 1.2 mm, and the heat capacity can be reduced while ensuring the strength required for the toilet seat. Both heating rates can be met.
- the seat has at least an alumite layer, and can exhibit an effective anticorrosive effect in the toilet space.
- the sixth invention is the invention of the second or third invention, wherein the radiation absorbing layer of the seating portion is black, so that the radiation radiated from the radiation heating element can be efficiently absorbed by the radiation absorbing layer, The heating rate of the part can be increased.
- a seventh invention is the one according to the first invention or the second invention, wherein a radiant heat absorber is provided on a bimetal surface of a thermostat disposed so as to face the radiant heating element.
- the heat generated from the bimetallic material is efficiently absorbed by the material, and the bimetal temperature is raised more quickly, and the temperature change of the toilet seat can be predicted quickly.
- the energizing circuit is shut off before the toilet seat temperature rises abnormally It becomes possible to do.
- An eighth invention is the seventh invention, in which the radiant heat absorbing material is a heat-resistant black paint, and the black paint effectively absorbs the heat from the radiant heating element to thereby increase the temperature of the bimetal. Since it raises, the abnormal excessive rise in toilet seat temperature can be detected at an early stage.
- the radiant heat absorbing material is a heat-resistant black paint
- the black paint effectively absorbs the heat from the radiant heating element to thereby increase the temperature of the bimetal. Since it raises, the abnormal excessive rise in toilet seat temperature can be detected at an early stage.
- a ninth invention is any one of the first to eighth inventions, wherein the distance between the radiant heating element and the seating portion is the distance between the radiant heating element and the thermostat.
- the temperature of the thermostat can be increased faster than the toilet seat surface, and an abnormal increase in the toilet seat surface temperature can be detected early.
- a tenth invention is the invention according to any one of the first to ninth inventions, wherein the thermostat off-operation temperature is set to be not less than a maximum set temperature of the toilet seat and not more than a safety limit temperature of the toilet seat. Without any malfunction that would cause the thermostat to operate under normal operating conditions, and even if the toilet seat surface temperature rises abnormally, the radiant heating element is reliably energized at a temperature lower than the safe limit temperature, which can cause burns.
- the circuit can be interrupted.
- An eleventh invention is the invention according to any one of the first to tenth inventions, wherein a plurality of radiant heating elements are provided opposite to each of the radiant heating elements, and electrically It is equipped with a thermostat connected in series, and by connecting the thermostat electrically in series, even if any excessive heating occurs in any radiant heating element, the radiant heating element can be reliably operated with any thermostat. Can be cut off.
- the thermostat includes a cap that allows light to pass through so that the nanometal receives radiation light. Therefore, the response speed of the thermostat can be remarkably increased, and the safety of high-temperature shutoff is improved.
- the thermostat cap is made of transparent glass in the twelfth aspect, the thermostat can be made to be a drip-proof type or a waterproof type with high-speed response.
- a fourteenth invention is a toilet apparatus provided with a heating toilet seat according to any one of the first to thirteenth inventions in a toilet bowl, wherein the toilet can expect the effects of each of the above inventions.
- the device is obtained and can be used comfortably.
- the fifteenth aspect of the present invention relates to a seat portion, a toilet seat having a hollow portion therein, and radiation provided in the hollow portion.
- Thermostat having a mold heating element, temperature detecting means for detecting the temperature of the seating portion of the toilet seat, and a bimetal connected in series to the radiation heating element and receiving the radiation light of the radiation heating element And a heat conduction type thermostat having a cap on the front surface of a bimetal so as not to directly receive radiation light of the radiation type heating element, and connected to the radiation type heating element in series.
- a heating toilet seat including a signal, the radiation-responsive thermostat, and a control unit that controls energization of the radiation-type heating element by the heat-conducting thermostat.
- a sixteenth aspect of the invention relates to a seat portion provided with a radiation absorbing layer, a toilet seat having a hollow portion therein, a radiation-type heating element provided in the hollow portion, and a temperature for detecting a temperature of the seat portion of the toilet seat.
- a detection device a thermostat connected in series to the radiant heating element and receiving the radiation light of the radiant heating element, connected in series to the radiant heating element, and the radiant heating element
- a heat conduction type thermostat having a cap on the front surface of the bimetal so as not to directly receive the radiation light of the body, and the radiation type heating element by the signal of the temperature detection means, the radiation response type thermostat and the heat conduction type thermostat
- This is a heating toilet seat provided with a control unit that controls the energization of the toilet.
- the radiation-responsive thermostat is configured such that the bimetal is heated by the radiant light from the radiant heating element, and the temperature change of the toilet seat is quickly predicted.
- the energizing circuit can be shut off before the toilet seat temperature rises abnormally. If the toilet seat temperature control becomes abnormal and the toilet seat temperature gradually rises, the heat conduction thermostat rises as the toilet seat temperature rises, and the energization circuit can be shut off before reaching the safety limit temperature. .
- the seating part is equipped with a radiation absorbing layer to absorb the radiant heat generated by the radiation heating element and efficiently warm the seating part.
- the seventeenth invention is the invention according to any one of the fifteenth and sixteenth inventions, wherein the radiation-responsive thermostat has a toilet seat surface temperature not less than a maximum set temperature of the toilet seat and not more than a safety limit temperature of the toilet seat. Is set to perform an off operation with the thermostat in normal use. Even if there is no malfunction that causes the stat to operate and the toilet seat surface temperature rises excessively, the energization circuit of the radiant heating element can be shut off reliably at a temperature lower than the safety limit temperature at which there is a risk of burns. .
- An eighteenth aspect of the invention is the invention according to any one of the fifteenth to seventeenth aspects of the invention, wherein a plurality of radiant heat generators are provided opposite to each of the radiant heat generators and electrically A radiation-responsive thermostat and a heat-conducting thermostat connected in series with each other, and by connecting different types of thermostats in series opposite each radiation-type heating element, any radiation type Even if an abnormal overheating occurs in the heating element, the energization circuit of the radiant heating element can be reliably shut off with any thermostat.
- the cap of the heat conduction type thermostat is formed of a metal having excellent heat conductivity, and is opposed to the radiation type heating element.
- the off operation of the heat conduction type thermostat is not less than a maximum set temperature of the toilet seat and not more than a safety limit temperature of the toilet seat.
- the temperature is lower than the safety limit temperature at which there is no malfunction that would cause the thermostat to operate in normal use and there is a risk of burns even if the toilet seat surface temperature rises abnormally. Can reliably cut off the current-carrying circuit of the radiant heating element.
- the heat conduction type thermostat is a return type
- the radiation response type thermostat is a non-reset type. Even when a thermal conduction thermostat with a relatively low off-operation temperature is activated in an abnormal environment, returning to an environment below a certain temperature will restore the thermal conduction thermostat so that the toilet seat can be used again. Become.
- a twenty-second aspect of the invention is a toilet apparatus provided with the heating toilet seat according to any one of the fifteenth to twenty-first aspects of the invention in a toilet bowl, and the toilet equipment that can expect the effects of the above-described inventions. Can be used comfortably.
- a twenty-third aspect of the present invention is a toilet seat main body having a seating portion made of a good heat conductive material having a small heat capacity, having a hollow portion formed therein, and provided in the hollow portion, and heating the seating portion with radiant heat.
- the radiant heating element thus constructed, a reflecting plate that reflects the radiant heat of the radiant heating element toward the seating part, a temperature sensor that detects the temperature of a plurality of parts of the seating part, and the seating part detected by these temperature sensors And a control unit that stops energization of the radiant heat generator when the temperature of the plurality of parts varies more than a predetermined value, and can provide a comfortable heating toilet seat without temperature variations.
- a twenty-fourth aspect of the present invention is a toilet seat main body having a seating portion made of a good heat conductive material having a small heat capacity and having a hollow portion therein, a radiant heating element provided in the hollow portion, and the radiant type A reflector that reflects the radiant heat of the heating element toward the seating portion; and a thermostat that is connected in series to the radiant heating element and has a bimetal that directly receives the radiant heat of the radiant heating element;
- the distance between the radiant heating element and the seating portion is a
- the distance between the radiant heating element and the thermostat is b, it is set to b and a, and the thermostat and the radiant heating element are The distance b is secured by a spacer, so that comfortable heating can be obtained and the power supply can be reliably stopped in the event of an abnormality, improving safety.
- the bimetallic radiant heating element side is partitioned by a heat transmissive body to improve dustproof and waterproof properties.
- a twenty-sixth aspect of the present invention is a toilet seat main body having a seating portion made of a good heat conductive material having a small heat capacity and having a hollow portion formed therein, and provided in the hollow portion, and heating the seating portion with radiant heat.
- the radiant heater is a holder made of a leaf spring attached to the reflector. In addition to being sandwiched between a pair of sandwiching pieces, the free end portions of these sandwiching pieces are detachably engaged with the clip so that the radiant heating element is not inadvertently detached even when an impact is applied.
- the toilet seat main body is composed of a synthetic resin lower frame and a seating portion made of a good heat conductive material having a small heat capacity, The seating area was efficiently heated.
- an electrically insulating radiant heat absorption layer is provided on the inner surface of the seating portion corresponding to the radiation-type heating element, This ensures the safety even if the heating source line of the radiant heating element hangs down.
- At least one of an anticorrosive layer or a surface decorative layer is provided on the outer surface of the seating portion.
- a plurality of radiant heat generators are connected in series, assembled, and the radiant heat generator is handled. It was easy.
- a change in temperature of the seating portion from the start of energization to the radiant heating element is displayed on a display.
- a thirty-second invention is the toilet apparatus according to any one of the twenty-third to thirty-first inventions, wherein the toilet seat is provided with a heating toilet seat.
- the thirty-third invention is a toilet seat in which a hollow portion is formed by combining a lower frame and an upper frame provided with a radiant heat absorption layer, and a temperature at which an inner surface temperature of the upper frame is detected.
- the radiation type heating element is urged by a signal of the human body detection unit, and at least the temperature of the upper frame body is
- the notification means is operated, so that the user can recognize the warming state of the toilet seat such as the arrival of the optimal temperature of the toilet seat by the operation of the notification means.
- the upper frame body of the thirty-third invention is formed of a high thermal conductive material, and a radiant heat absorption layer is provided on the inner surface of the upper frame body. Since a general metal material such as magnesium or magnesium can be used and the radiant heat generated in the radiant heat absorption layer can be quickly transferred to the toilet seat surface, the user can energize the radiant heating element after entering the toilet. However, the seating part of the toilet seat can be raised to an appropriate temperature within a few seconds until it is seated on the toilet seat.
- the upper frame body is formed by forming the upper frame body of the thirty-third invention from a material having radiation energy permeability and providing a radiant heat absorption layer on the outer surface of the upper frame body. Since the material used is injection-molding material that can be molded into complex shapes such as transparent polypropylene and polycarbonate, radiant heat can be generated in the radiant heat absorption layer on the toilet seat surface. Even if the user energizes the radiant heating element after entering the toilet, the seating portion of the toilet seat can be heated to an appropriate temperature within a few seconds until the user sits on the toilet seat.
- the notification means according to any one of the thirty-third to thirty-fifth inventions is seated on the toilet seat by notifying when the proper temperature of the toilet seat is reached and when the optimal temperature is reached. Before, the user can visually and auditorily recognize the heating status of the toilet seat.
- a thirty-seventh aspect of the present invention is a toilet seat in which a hollow portion is formed by combining a lower frame and an upper frame provided with a radiant heat absorption layer, and a radiant heating element provided in the hollow portion.
- the temperature control indicating temperature material that changes color at a predetermined temperature or higher is provided on the outer surface of the upper frame of the toilet seat that comes into contact with the human body when seated.
- the temperature control indicator discolors at a temperature above a predetermined temperature, allowing the user to recognize the temperature status of the toilet seat before sitting and It can be prevented.
- the radiant heat absorption layer of the thirty-seventh invention is provided on the inner surface of the upper frame body made of a high heat conductive material, so that the upper frame material is made of a general material such as aluminum or magnesium.
- the radiant heat generated in the radiant heat absorption layer can be quickly transferred to the toilet seat surface after using a metallic material, so even if the user enters the toilet and energizes the radiant heating element, the user sits on the toilet seat.
- the seating portion of the toilet seat can be heated to an appropriate temperature within a few seconds.
- the radiant heat absorption layer of the thirty-seventh invention is provided on the outer surface of the upper frame body with material strength having radiation energy permeability, so that transparent polypropylene is used as the material of the upper frame body.
- Radiant heat can be generated in the radiant heat absorption layer on the toilet seat surface after using an injection molding material that can be molded into a complicated shape such as polycarbonate, etc., so that radiation heat is generated after the user enters the tray. Even when the body is energized, the seating portion of the toilet seat can be heated to an appropriate temperature within a few seconds until it is seated on the toilet seat.
- the fortieth aspect of the present invention is a character or shape that can visually recognize that the toilet seat is hot when the temperature management temperature indicating material of any one of the thirty-seventh to thirty-ninth aspects of the invention is discolored at a predetermined temperature or higher. Therefore, even if the radiation heating element and the safety device fail and the toilet seat becomes hot enough to cause burns, the user can visually check the warming status of the toilet seat before sitting on the toilet seat. Can be recognized. When expressed in a form, children who cannot read characters Even foreigners can visually recognize the heating situation.
- FIG. 1 is a schematic configuration diagram showing a cross-sectional view of a main part of a toilet seat of a heating toilet seat according to Embodiment 1 of the present invention
- FIG. 2 is a perspective view of a toilet device equipped with the heating toilet seat
- FIG. 3 is a toilet seat of the heating toilet seat
- FIG. 4 is an exploded perspective view of the heating toilet seat
- FIG. 5 is a cross-sectional view of the main part of the seating portion of the heating toilet seat.
- the heated toilet seat with a hot water washing function for washing the anus and bidet after the stool has a horizontally long body 21 attached to the rear end of the toilet 20 of the toilet device.
- a part of the hot water washing function is internally provided, and a ring-shaped toilet seat 22 and a toilet lid 23 mounted on the toilet bowl 20 are rotatably provided.
- the body 21 has a built-in human body detection sensor 25 that detects the presence or absence of a human body in the toilet room. As shown in Fig.
- the toilet seat 22 is formed by fixing and attaching an aluminum seating portion 24 via a seal material to the upper part of a synthetic resin lower frame body 26, and the inside of the toilet seat 22 is infiltrated with water droplets and the like. It has a structure having a cavity 27 with a drip-proof seal that can be blocked.
- a radiant light reflecting plate 28 (reflector) having a mirror-finished aluminum plate facing the seating portion 24 of the toilet seat 22 on which a user using a toilet device sits, and a seating Two lamp heaters 29 that are a plurality of radiation-type heating elements are provided on both sides of the portion 24.
- the radiant light reflection plate 28 has an upward bent portion 28a around the entire inner and outer ends thereof, and the radiated light from the lamp heater 29 is deflected by the bent portion 28a. Therefore, it acts to increase the radiation density of the outer peripheral edge and the inner peripheral edge of the seating portion 24 that is away from the lamp heater 29, and the radiation heat distribution to the seating portion 24 is made uniform.
- the lamp heater 29 In the vicinity of the lamp heater 29, the lamp heater 29 is electrically connected in series.
- the thermostat 30 is provided and acts to prevent the temperature of the seating portion 24 of the toilet seat 22 from overheating in the event of an unsafe situation.
- the radiant light reflector 28 may be made of a stainless steel plate or a steel plate made of aluminum to reduce weight.
- the lamp heater 29 is configured such that a small amount of halogen is sealed in a filament 33 having a tungsten force and an inert gas 34 such as argon inside the glass tube 32, and as the filament 33 generates heat. By repeating the halogen cycle reaction to form halogenated tungsten, it acts to prevent the filament 33 from being consumed. By this action, the filament 33 having a very small heat capacity can be used as a heat source, and the radiant energy can be caused to rise extremely sharply. In other words, the lamp heater 29 can be used for a few seconds, for example, when the user enters the toilet room, lowers clothes, and sits on the buttocks 24 on the toilet seat 22. This is a radiant type heating element that can raise the temperature of an iron to an appropriate temperature at high speed.
- the lamp heater 29 is not necessarily a halogen lamp heater depending on the required degree of characteristics.
- the lamp heater 29 is fixed to the radiation reflector 28 by a lamp heater fixture 36 formed of a leaf spring material.
- the radiation reflector 28 is screwed to the boss 37 of the lower frame body 26 made of resin. It is fixed.
- FIG. 5 shows an enlarged cross section of a part of the aluminum seating portion 24 constituting the toilet seat 22.
- the side of the toilet seat 22 on the cavity 27 side that is, the inner surface irradiated with the radiant light of the lamp heater 29 forms a black-coated radiation absorbing layer 42 that easily absorbs the radiant light, and sits outside or seats.
- an anodized aluminum layer 41 having an anticorrosive effect and a surface decorative layer 43 coated for a desired appearance effect are formed thereon. Note that both the anodized layer 41 and the painted surface decorative layer 43 do not necessarily need to have both. Design such as color and shade can be added.
- the coating can be applied with a dyeing process. At least if the coating is applied to the surface of the seating portion, not only the anticorrosive effect but also a metal toilet seat such as aluminum can be used. Even so, it can wipe off the cold feeling it sees, and for example, it can produce soft power, an image, and a high-quality image by pearl painting such as pearls.
- the seat 24 of the toilet seat 22 is made of a pressed and drawn aluminum metal and has a heat conductivity of about 200 W'mK, compared to about 0.1 to lW'mK of the resin. Therefore, the radiation absorbing layer 42 is heated by the radiation of the lamp heater 29, and at the same time, heat can be transferred to the outer surface of the seating portion 24, that is, the surface decorative layer 43 quickly.
- the aluminum has a high thermal conductivity, a soaking effect that makes the temperature distribution more uniform can be obtained.
- the required strength can be secured even if the plate thickness is reduced by work hardening by pressing (drawing) aluminum.
- the thickness of aluminum is preferably 0.8 to 1.2 mm in terms of strength and heating time.
- the lower frame body 26 constituting the toilet seat 22 is provided with a radiant light reflection plate 28 on its inner surface, and the radiant light reflection plate 28 is connected to the lamp heater 29 and the lamp heater 29 in series. Is attached.
- An aluminum seat 24 is attached to the upper part of the lower frame body 26, and a thermistor 44, which is a toilet seat temperature detecting means, is provided on the inner surface of the seat 24 to detect the temperature of the aluminum seat 24. It is attached.
- the toilet seat 22 has an electrode 46 formed on the rotation shaft 45 thereof, and constitutes a toilet seat position detecting means 47 together with a bearing portion (not shown) of the main body 21, so that the toilet seat 22 is in a standing state, It detects whether it is in a substantially horizontal use position on the toilet 20 that can be seated and used.
- the main body 21 receives a detection signal of a room temperature thermistor 48 as a room temperature detection means, controls the temperature of the lamp heater 29, and energizes the lamp heater 29 of the toilet seat 22.
- a control unit 50 mainly composed of a microcomputer having a timer unit 49 that counts an elapsed time from the time when the temperature rise is started.
- control unit 50 takes in the signals of the human body detection sensor 25 that detects the person's entry, the seating detection means 38, and the toilet seat position detection means 47, and controls the start and stop of energization of the lamp heater 29, the thermistor 44, room temperature
- the temperature of the lamp heater 29 can be controlled so that the signal of the thermistor 48 is taken in and the temperature of the seating portion 24 as a warming surface becomes a predetermined temperature which is an appropriate temperature.
- a thermostat 30 has a configuration in which a bimetal 51 is exposed in the cavity 27 so as to receive the radiated light of the lamp heater 29. Further, a heat-resistant black paint is applied to the light receiving surface of the bimetal 51 as the radiant heat absorber 52.
- the thermostat 30 is configured to efficiently absorb the heat radiated toward the bimetal 51 by the radiant heat absorber 52, and to raise the temperature of the bimetal more quickly.
- the thermostat 30 is set so that the distance a between the lamp heater 29 and the seating portion 24 of the toilet seat 22 is larger than the distance b between the lamp heater 29 and the bimetal 51 !. This distance a indicates the distance to the radiation absorbing layer 42 which is a light receiving surface provided on the inner surface of the seating portion 24 in the present embodiment.
- the human body detection sensor 25 detects the entry, and the signal is sent to the control unit 50.
- the control unit 50 starts energizing the lamp heater 29.
- the input energy is instantly converted into radiation energy and radiated from the filament 33 through the glass tube 32 and the radiation reflector 28 toward the seating portion 24 of the toilet seat 22.
- the radiation energy of the lamp heater 29 raises the temperature of the radiation absorbing layer 42 and the seating portion 24 provided on the inner surface of the seating portion 24 of the toilet seat 22.
- the lamp heater 29 when the user enters the toilet, the lamp heater 29 is energized, and the warming surface of the seating portion 24 of the toilet seat 22 can be heated almost instantaneously, and the control unit 50 In the unlikely event of an unsafe situation such as a malfunction of the lamp heater 29, it is possible to cut off the power supply to the lamp heater 29 with the fast response thermostat 30 where the bimetal 51 receives the radiation of the lamp heater 29.
- the heating toilet seat that is always energized and has a large heat dissipation loss, there is almost no heat loss and it is extremely energy saving. A mold and a safe heating toilet seat will be realized.
- the seating portion 24 shown in FIGS. 3 and 4 is formed integrally with the seating portion 24 in the case of a heat-resisting toilet seat (not shown) generally used in the past.
- the seating portion 24 shown in FIGS. 3 and 4 is formed of metal (aluminum material) and the hinge cover 55 is formed of propylene resin. This is because, by minimizing the number of places to be heated by the lamp heater 29 and reducing the heat capacity to be heated, the seating section 24 can be raised in temperature instantaneously with less power, In addition, power can be saved.
- the aluminum material of the seating section 24 has a high thermal conductivity and the heat conducts and acts to make the temperature uniform.
- the hinge cover 55 is grease and has a low thermal conductivity, so the heat of the seating section 24 is transferred to the hinge cover 55. Is almost robbed. In this way, by configuring the upper member of the toilet seat 22 with a plurality of members having different thermal conductivities, it is possible to suppress heat from being taken away by the portion that does not need to be warmed, and to reduce heat loss. Can do.
- the radiation absorbing layer 42 is provided on the inner surface of the part 24, it is possible to realize an energy-saving instantaneously heated toilet seat that can instantaneously raise the temperature of the seating part 24 more quickly with less power.
- control unit 50 calculates the temperature difference between them and the temperature force of each based on the signals of the thermistor 44 and the room temperature thermistor 48 at the start of energization, and sets and stores them in advance.
- the energization amount is reduced or zeroed, and then the toilet seat 22 is set based on the signal from the thermistor 44.
- the energization amount is controlled so that the seating section 24 has an appropriate temperature.
- the thermistor 44 detects the temperature in the vicinity of the seating section 24 that is actually touched by the user, and the control section 50 raises and maintains the temperature to an appropriate temperature with high accuracy. Based on the signals from the thermistor 44 and the room temperature thermistor 48, the amount of radiant energy input is controlled in accordance with the amount of load. [0077] In addition, since the initial energization time control is preferentially performed, the energization amount is reduced after the energization limit time and the temperature increase rate is reduced, so that the toilet seat can be safely added even if the response speed of the toilet seat temperature detecting means is slow. In addition, an inexpensive toilet seat temperature detecting means can be used.
- the signal from the toilet seat position detecting means 47 is used.
- the controller 50 stops energizing the lamp heater 29.
- the energization amount to the lamp heater 29 is set to zero or the toilet seat temperature is not excessively increased by the signal of the seating detection means 38 until the toilet seat temperature rises. Control. As a result, it can be used safely without worrying to cause burns or the like that cause the toilet seat temperature to rise excessively during use.
- a thermostat usually has a bimetal 7 enclosed in a metal cap 6 as shown in FIG.
- the cap 6 is first heated, and the bimetal is heated by radiation from the cap 6, so it takes time for the bimetal to reach a predetermined temperature. Therefore, when the temperature of the toilet seat 22 changes in a short time, there may be a delay in circuit interruption.
- the thermostat 30 exposes the bimetal 51 and applies a heat-resistant black paint as the radiant heat absorber 52 to the surface of the bimetal 51. Accordingly, since the bimetal 51 directly receives the radiant light from the lamp heater 29, the radiant light from the lamp heater 29 directly heats the nanometal 51, and the surface of the bimetal 51 is used as a radiant heat absorber 52. Since the heat-resistant black paint is applied, most of the radiant heat that reaches the bimetal 51 from the lamp heater 29 is absorbed by the bimetal 51, and quickly follows the rapid fluctuations in the temperature of the toilet seat 22. Since it is electrically connected in series with the heater 29, the energization of the lamp heater 29 can be cut off when the temperature rises.
- the thermostat 30 is set at a position where the distance a between the lamp heater 29 and the toilet seat 22 surface is larger than the distance b between the lamp heater 29 and the thermostat 30.
- the temperature of the bimetal 51 is raised earlier than the rise of the surface temperature of the toilet seat 22, so that the energization circuit of the lamp heater 29 can be turned on before the toilet seat 22 surface temperature rises abnormally and becomes dangerous. It can be shut off and safe.
- the temperature of the bimetal 51 can be raised quickly, malfunction of the thermostat 30 can be prevented. That is, if the temperature of the bimetal 51 can be raised quickly, the operating temperature of the thermostat 30 (opening the energization circuit of the lamp heater 29) can be set higher than the normal operating temperature of the toilet seat 22. The risk of the thermostat 30 operating during normal use and the toilet seat heating function becoming unusable can be avoided.
- curve (A) is the surface temperature of the seating section 24. At room temperature of 5 ° C, the temperature can be raised to the normal toilet seat control temperature (T) in about 7.5 seconds (t). Noh. On the other hand, the temperature of the bimetal 51 of the thermostat 30 rises faster than the seating portion 24 to the toilet seat control temperature (T) in t time as shown by the curve (B). Seat 24 is toilet seat 22
- Mostat 31 (or temperature fuse) is activated and the energization circuit of the lamp heater 29 is cut off. At this time, the surface temperature of the toilet seat 22 does not reach the safety limit temperature (T).
- the operating temperature (T) of the thermostat 30 is equal to or higher than the maximum set temperature (T) of the toilet seat 22, and
- the non-recoverable thermostat 31 By setting the temperature to the safety limit temperature (T) or less, the non-recoverable thermostat 31 (or
- the thermal circuit of the lamp heater 29 is interrupted by the thermal fuse, and the danger that the heating function of the toilet seat 22 cannot be used is eliminated. That is, the first stage of the initial energization time is temperature control by the timer 49 and the thermistor 44 of the controller 50, and the second stage is the interruption of the energization circuit of the lamp heater 29 by turning off the thermostat 30 (however, the circuit is Reset), and in the third stage, the energization circuit of the lamp heater 29 is shut off by the non-reset type thermostat 31 (or thermal fuse) (the circuit cannot be reset), and a multi-stage safety function is set for a long period of time. Can be used safely and comfortably.
- the front lamp heater 29 and the rear lamp heater 29b are arranged in front of and behind the toilet seat 22, and a plurality of lamp heaters 29 and 29b are installed.
- Opposite thermostats 30, 30b are provided, and each thermostat 30, 3 Ob is electrically connected in series.
- the return type thermostats 30 and 30b operate at a lower temperature
- the non-reset type thermostats 31 and 31b operate at a higher operating temperature than the return type thermostats 30 and 30b. Can be used safely and comfortably, higher multiplex safety and long term.
- the lamp heaters 29 and 29b are divided into a plurality of parts, in the conventional ring-shaped toilet seat 2 shown in FIG. 9, one ring-shaped lamp heater 4 is arranged almost entirely in the cavity 1 of the toilet seat 2.
- the problem of stress applied directly to the lamp heater 4 due to the stagnation of the toilet seat 2 and the installation error of the lamp heater 4 has been eliminated, and the risk of damage to the lamp heater 29 due to the stagnation of the toilet seat 22 has been eliminated. can do.
- FIG. 8 is a cross-sectional view of a main part of the heating toilet seat according to the second embodiment of the present invention, and particularly shows a partial cross-sectional view of the thermostat.
- the basic configuration of the present embodiment is the same as that of the first embodiment. The difference is that the structure of the thermostat connected in series with the lamp heater is improved. Therefore, only the structure of the different thermostat will be described. To do.
- the thermostat 30c has a cap 53 made of transparent glass so that the bimetal 51 receives the radiated light from the lamp heater 29.
- the transparent glass cap 53 it is possible to make the thermostat 30c drip-proof or waterproof so that no water droplets or dust can enter the thermostat 30c, and even if the cavity 27 is submerged, the thermostat 3 Oc can be energized. It is possible to prevent water from entering the parts and maintain electrical insulation, thus preventing electric shock.
- a heat-resistant black paint is applied as a radiant heat absorber 52 on the light receiving surface of the bimetal 51 as in FIG.
- the thermostat 30 is configured to efficiently absorb heat radiated toward the bimetal 51 by the radiant heat absorbing material 52, and to increase the temperature of the bimetal more quickly and forcefully.
- the thermostat 30c is set so that the distance a between the lamp heater 29 and the surface of the toilet seat 22 is larger than the distance b between the lamp heater 29 and the bimetal 51. Therefore, since the bimetal 51 directly receives the radiant light from the lamp heater 29, the bimetal 51 is directly heated by the radiant light from the lamp heater 29. Because black paint is applied, the lamp heater 29 to bimetal 51 Most of the radiant heat that reaches the heat sink is absorbed by the bimetal 51 and quickly follows the rapid fluctuations in the temperature of the toilet seat 22, and the thermostat 30 is electrically connected in series with the lamp heater 29. The lamp heater 29 can be de-energized.
- the transparent glass of the cap 53 is made of quartz glass, whereby the radiation characteristics of the lamp heater 29 are excellent, the response can be made faster, and the safety of interruption can be improved.
- other glasses can of course be used depending on the degree of necessity.
- the plate pressure of the transparent glass 53 is too thick, the transmission performance deteriorates, so the plate thickness is preferably 1.5 mm or less, and preferably 1.2 mm or less.
- the same effect can be obtained even by other processing methods such as a force aluminum die casting in which the material of the seating portion is a press-cage product of an aluminum plate.
- the type of metal may be a copper plate or a steel plate.
- FIG. 11 is a schematic configuration diagram showing a cross section of a main part of the heating toilet seat according to the third embodiment of the present invention
- FIG. 12 is a perspective view of a toilet apparatus equipped with the heating toilet seat
- FIG. 13 shows a seating portion of the heating toilet seat.
- FIG. 14 is an exploded perspective view of the heating toilet seat
- FIG. 15 is a cross-sectional view of the main part of the seating portion of the heating toilet seat.
- the warm toilet seat with a warm water washing function for washing the anus and bidet after the stool has a horizontally long main body 121 attached to the rear end of the toilet 120 of the toilet device.
- main body 121 a part of the hot water washing function is internally provided, and a ring-shaped toilet seat 122 and a toilet lid 123 mounted on the toilet bowl 120 are rotatably provided.
- the body 121 has a built-in human body detecting sensor 125 for detecting the presence or absence of a human body in the toilet room!
- the toilet seat 122 is formed by fixing an aluminum seating part 124 to the upper part of a synthetic resin lower frame 126 via a sealing material, and prevents water droplets from entering inside
- the structure has a drip-proof sealed cavity 127.
- a radiation reflecting plate 128 (reflector) having a mirror-finished aluminum plate facing the seating portion 124 of the toilet seat 122 on which a user using the toilet device sits, and a seating portion
- a front lamp heater 129 and a rear lamp heater 129b (hereinafter referred to as lamp heater 129 when it is not necessary to distinguish) are provided on both sides of 124. It is.
- the radiant light reflector 128 has an upwardly bent portion 128a around the entire periphery of the inner and outer ends thereof, and the radiated light from the lamp heater 129 is deflected by the bent portion 128a.
- the radiant heat distribution to the seating portion 124 is made uniform by acting so as to increase the radiation density of the outer peripheral edge portion and the inner peripheral edge portion of the seating portion 124 that is separated from the lamp heater 129.
- a radiation-responsive thermostat 130 electrically connected in series with the lamp heater 129 is provided to prevent the temperature of the seating part 124 of the toilet seat 122 from rising due to an unsafe situation. Act to do.
- the radiant light reflecting plate 128 may be a stainless steel plate or a steel plate made of aluminum to reduce the weight.
- the lamp heater 129 is configured such that a small amount of halogen is enclosed in a filament 133 made of tungsten and an inert gas 134 such as argon inside a glass tube 132, and tungsten halide is generated as the filament 133 generates heat. By repeating the halogen cycle reaction to form the filament 133, it acts to prevent the filament 133 from being consumed. By this action, the filament 133 having a very small heat capacity can be used as a heat source, and the radiant energy can be started up extremely steeply. In other words, the lamp heater 12 9 is used for a very short period of time, for example several seconds, until the user enters the toilet room, lowers clothes, and sits on the seat 124 of the toilet seat 122. It is a radiant heating element that can raise the temperature of 124 to an appropriate temperature at high speed.
- the lamp heater 129 does not necessarily need to be a halogen lamp heater depending on the degree of required characteristics.
- the lamp heater 129 is fixed to the radiation reflector 128 by a lamp heater fixture 136 formed of a leaf spring material, and the radiation reflector 128 is screwed to the boss 137 of the lower frame 126 made of resin. It is fixed.
- FIG. 15 shows an enlarged cross section of a part of the aluminum seating portion 124 that constitutes the toilet seat 122.
- the cavity 127 side of the toilet seat 122 that is, the inner surface irradiated with the radiant light of the lamp heater 129 forms a black-coated radiant absorption layer 142 that absorbs the radiant light well, and sits outside or seats.
- an alumite layer 141 having an anticorrosive effect and a surface decorative layer 143 coated thereon for a desired appearance effect are formed.
- the anodized layer 141 and the painted surface decorative layer 143 are not necessarily both.
- Naguru anodized layer 141 or painted surface decorative layer 143 it is possible to add anticorrosive effects such as chemical resistance and design such as gloss and color tone.
- anticorrosive effects such as chemical resistance and design such as gloss and color tone.
- a higher anticorrosive effect and, for example, a sterilizing effect can be added by using a paint containing a sterilizing material.
- the temperature rising rate of the seating portion 124 in which black has the best endothermic efficiency, can be increased. From the viewpoint that it should be practical regardless of the maximum speed, the temperature can be raised even in gray, red, or blue.
- the surface decorative layer 143 applied to the outer surface of the seating portion 124 in FIG. 15 can be dyed, but if at least the surface of the seating portion is painted, it is not only an anticorrosive effect but also a metal toilet seat such as aluminum. However, you can wipe away the cold feeling you see, and for example, you can produce a soft image or a high-class image by using a pearl-like pale paint.
- the thermal conductivity is about 200W'mK, compared to about 0.1 ⁇ lW'mK of the resin. Since it is extremely high, the radiation absorbing layer 142 is heated by receiving the radiation from the lamp heater 129, and at the same time, heat can be quickly transferred to the outer surface of the seating portion 124, that is, the surface decorative layer 143. Since the strength of the aluminum is also high thermal conductivity, a soaking effect that makes the temperature distribution more uniform can be obtained. In addition, the required strength can be ensured even if the plate thickness is reduced by work hardening by pressing (drawing) aluminum.
- the thickness of aluminum is preferably 0.8 to 1.2 mm in terms of strength and heating time.
- the lower frame body 126 constituting the toilet seat 122 has a radiant light reflecting plate 128 attached to the inner surface thereof, and the radiant light reflecting plate 128 is connected in series with the front lamp heater 129 and the rear lamp heater 129 b.
- the radiation response type thermostat 130 and the heat conduction type thermostat 131 are installed.
- an aluminum seat 124 is attached to the upper part of the lower frame 126.
- a thermistor 144 as a toilet seat temperature detecting means is attached to the inner surface of the seating portion 124.
- the toilet seat 122 has an electrode 146 formed on the rotating shaft 145, and constitutes a toilet seat position detecting means 147 together with a bearing portion (not shown) of the main body 121.
- the toilet seat 122 is seated in a standing position. Whether it is in a substantially horizontal use position on the toilet bowl 120 that can be used is detected.
- the temperature of the lamp heater 129 was controlled in the main body 121 by taking in the detection signal of the room temperature thermistor 148 as a room temperature detection means, and the lamp heater 129 of the toilet seat 122 was energized to start the temperature increase.
- a control unit 150 mainly composed of a microcomputer having a timer unit 149 for counting the elapsed time of the time force is provided.
- the control unit 150 takes in the signals of the human body detection sensor 125 for detecting the person's entry, the seating detection means 138, and the toilet seat position detection means 147, and controls the start and stop of energization of the lamp heater 129, and the thermistor 144.
- the temperature of the lamp heater 129 can be controlled so that the signal from the room temperature thermistor 148 is taken in and the temperature of the seating portion 124, which is the warming surface, becomes a predetermined temperature which is an appropriate temperature.
- the radiation-responsive thermostat 130 has a configuration in which the bimetal 151 is exposed in the cavity 127 so that the radiation light of the lamp heater 1 29 is received, and the bimetal 151 is opposed to the lamp heater 1 29. It is installed. Further, a heat-resistant black paint is applied to the light receiving surface of the bimetal 151 as the radiant heat absorber 152.
- the radiation responsive thermostat 130 is configured to efficiently absorb the heat radiated toward the bimetal 151 by the radiant heat absorber 152 and to raise the temperature of the bimetal more quickly.
- the radiation-responsive thermostat 130 is set such that the distance a between the lamp heater 129 and the seating portion 124 of the toilet seat 122 is larger than the distance b between the lamp heater 129 and the bimetal 151. This distance a indicates the distance to the radiation absorbing layer 142 which is a light receiving surface provided on the inner surface of the seating portion 124 in the present embodiment.
- the heat conduction type thermostat 131 has a cap 154 on the front surface of the bimetal 151 so that the bimetal 151 does not directly receive the radiated light of the lamp heater 129. It is set opposite to Cap 154 is a metal with good thermal conductivity, here made of aluminum alloy, and its surface is a radiant heat absorber made of black paint Is provided.
- the radiation-responsive thermostat 130 and the heat conduction thermostat 131 are connected in series to the two lamp heaters 129 and 129b.
- the human body detection sensor 125 detects the entry, and the signal is sent to the control unit 150.
- the control unit 150 starts energizing the lamp heater 129.
- the input energy is instantaneously converted to radiant energy, and is radiated from the filament 133 through the glass tube 132 and the radiant light reflector 128 toward the seating portion 124 of the toilet seat 122.
- the radiation energy of the lamp heater 129 raises the temperature of the radiation absorbing layer 142 and the seating portion 124 provided on the inner surface of the seating portion 124 of the toilet seat 122.
- the lamp heater 129 when the user enters the toilet, the lamp heater 129 is energized, the heating surface of the seating portion 124 of the toilet seat 122 can be heated almost instantaneously, and the control unit 150 Even in the unlikely event of an unsafe situation such as a failure, the lamp heater 129 can be de-energized by the fast-response radiation-responsive thermostat 130 in which the bimetal 151 receives the radiation from the lamp heater 129.
- the hinge cover 156 shown in FIG. 13 and FIG. 14 is formed integrally with the seating portion 124 in the case of a resin toilet seat (not shown) generally used conventionally.
- the seating portion 124 shown in FIGS. 13 and 14 is made of metal (aluminum material) and the hinge cover 156 is made of propylene resin.
- the temperature of the seating section 124 can be instantaneously increased with less power by minimizing the number of places to be heated by the lamp heater 129 and reducing the heat capacity to be heated. In addition, further power saving can be achieved.
- the aluminum material of the seating part 124 has a high thermal conductivity and acts to conduct heat and the temperature is uniform, but the hinge cover 156 is grease and has a low thermal conductivity, so the heat of the seating part 124 is the hinge cover 156. Is hardly deprived of. In this way, by configuring the upper member of the toilet seat 122 with a plurality of members having different thermal conductivities, it is not necessary to warm up, and it is possible to suppress the heat from being taken away excessively and to reduce heat loss.
- the seat 124 which is the upper component of the toilet seat 122, the hinge cover 156, and the lower frame body 126, the toilet seat 122 having the cavity 127 therein, and the radiant heat generated in the cavity 127
- control unit 150 calculates the temperature difference between them and the temperature power of each based on the signals of the thermistor 144 and the room temperature thermistor 148 at the start of energization, and sets the initial energization stored in advance.
- the energization amount is reduced or zeroed, and then the toilet seat 122 is set based on the signal from the thermistor 144.
- the energization amount is controlled so that the seating section 124 has an appropriate temperature.
- the thermistor 144 detects the temperature in the vicinity of the seating portion 124 that is actually touched by the user, and the control unit 150 accurately raises and maintains the temperature to the appropriate temperature, so that the use of the toilet seat 122 is comfortable. Based on the signals of the thermistor 144 and the room temperature thermistor 148, the amount of range energy input is controlled in accordance with the amount of load.
- the energization amount is reduced after the energization limit time and the temperature rise rate is reduced. Therefore, even if the response speed of the toilet seat temperature detection means is slow, the toilet seat can be added safely.
- an inexpensive toilet seat temperature detecting means can be used. Normally, many common heaters control the temperature by reducing the applied voltage, but the lamp heater 129 repeats the halogen cycle reaction that forms tungsten halide with the heat generation of the filament 133. Since the wear of 133 is prevented, the halogen cycle becomes unstable when the temperature of the glass tube falls below 200 ° C. Therefore, in order for the lamp heater 129 to bring the seating portion 124 to an appropriate temperature, the energization cycle is changed within the output range in which the halogen cycle is effective.
- the toilet seat 22 is in an upright state or because a male user enters the toilet room for small use.
- the control unit 150 stops energizing the lamp heater 129 based on the signal from the toilet seat position detecting means 147.
- the life of the wire 133 in the energized state and in the length direction, which is the tension direction of the filament 133 is broken. Can be prevented from being shortened.
- the energizing amount is controlled by changing the energizing amount until the lamp heater 129 is zero or the toilet seat temperature does not rise excessively by the signal from the seating detection means 138. To do. As a result, it can be used safely without worrying about burns or the like that cause the toilet seat temperature to rise excessively during use.
- the thermostat is configured such that the bimetal 7 is enclosed in a metal cap 6 and blocks light, and in this configuration, the cap 6 is first heated and the bimetal 7 is heated. Since heating is performed by radiation from the cap 6, it takes time for the bimetal to reach the specified temperature.Therefore, when the temperature of the toilet seat 122 changes in a short time, the circuit may be delayed. there were.
- a radiation response thermostat 130 and a heat conduction thermostat 131 are provided corresponding to a plurality of lamp heaters 129, and these are connected in series! /
- Radiation-responsive thermostat 130 The bimetal 151 is exposed, and a heat-resistant black paint is applied as a radiant heat absorber 152 to the surface of the nometal 151. Therefore, since the bimetal 151 directly receives the radiant light from the lamp heater 129, the bimetal 151 is directly heated by the radiant light from the lamp heater 129, and in addition, the bimetal 151 has a heat resistant material as a radiant heat absorber 152 on the surface. Since the black paint is applied, most of the radiant heat that reaches the bimetal 151 from the lamp heater 129 is absorbed by the bimetal 151 and quickly follows the rapid fluctuation of the temperature of the toilet seat 122.
- the radiation-responsive thermostat 130 The lamp heater 129 can be de-energized when the temperature rises.
- the radiation-responsive thermostat 130 is set to a position where the distance a between the lamp heater 129 and the surface of the toilet seat 122 is larger than the distance b between the lamp heater 129 and the radiation-responsive thermostat 130.
- the temperature of the nanometal 1 51 rises faster than the rise in the surface temperature of the toilet seat 122, so that the energization circuit of the lamp heater 129 can be used before the toilet seat 122 surface temperature rises excessively and becomes dangerous, such as a burn. Can be cut off safely.
- the temperature of the bimetal 151 can be raised quickly, malfunction of the radiation response thermostat 130 can also be prevented. That is, if the temperature of the bimetal 151 can be raised quickly, the operating temperature of the radiation-responsive thermostat 130 (opening the energization circuit of the lamp heater 129) can be set higher than the normal operating temperature of the toilet seat 122. In addition, it is possible to avoid the danger that the radiation-responsive thermostat 130 operates during normal use and the toilet seat heating function cannot be used.
- FIG. 18 shows the distance b in the radiation response thermostat 130 having the configuration shown in FIG.
- the temperature can be increased to a degree (T).
- the temperature of 151 is faster than the seating section 124 and the toilet seat control temperature (T
- the temperature of Tal 151 reaches the off (open) operating temperature (T) of the radiation-responsive thermostat 130. Shut off the energization circuit of the lamp heater 129.
- the radiation response thermostat 1 30 is activated before the safety limit temperature is reached. Shut off the current-carrying circuit. At this time, the surface temperature of the toilet seat 122 does not reach the safety limit temperature (T). In addition, a radiation response thermostat 130
- the heat conduction type thermostat 131 has the same configuration as the conventional thermostat 5 shown in FIG. 10, and a bimetal 151 is enclosed in a metal cap 154, and radiates light from the lamp heater 129. It is configured to shut off. In this configuration, since the cap 154 is first heated and conducted by heat conduction and radiation from the cap 154, it takes time until the bimetal reaches a predetermined temperature. However, when the user is seated on the toilet seat 122 and the lamp heater 122 is in a heat-retaining state with a low output, the heat conduction type thermostat 131 has substantially the same temperature as the toilet seat temperature.
- Fig. 19 shows that the thermistor 144 malfunctions and the temperature of the toilet seat 122 cannot be accurately detected, and the temperature of the toilet seat 122 (curve C) when the toilet seat temperature gradually rises and the temperature of the heat transfer type thermostat 131 are detected.
- the toilet seat temperature gradually rises, but the temperature of the bimetal 151 also rises in the same way, the seating portion 124 becomes equal to or higher than the maximum set temperature (T) of the toilet seat 122, and the temperature of the bimetal 151 is the heat conduction type thermostat 1
- the energization circuit of the lamp heater 129 is surely cut off before the toilet seat reaches the safety limit temperature (T).
- the off-operation temperature (T) of the heat conduction type thermostat 131 is the radiation response type thermostat 130.
- the heat conduction type thermostat 131 is a return type, and the bimetal 151 temperature returns to a temperature lower than the off-operation temperature (T) and is used again.
- the radiation-responsive thermostat 130 performs the off operation when the toilet seat surface temperature is not less than the maximum set temperature (T) of the toilet seat 22 and not more than the safety limit temperature (T).
- the off-operating temperature (T) of the radiation-responsive thermostat 130 is the safety limit temperature (T) of the toilet seat.
- the energization circuit of the lamp heater 129 is easily interrupted by the radiation-responsive thermostat 130, and the danger that the heating function of the toilet seat 122 cannot be used is eliminated. That is, the first stage of the initial energization time is the temperature control by the timer part 149 and the thermistor 144 of the control part 150, and the second stage is the interruption of the energization circuit of the lamp heater 129 by turning off the heat conduction thermostat 1 31 (however, the temperature drop The circuit is restored by a non-recoverable radiation response thermostat 130, and the current circuit of the lamp heater 129 is shut off (the circuit cannot be restored), and the multi-stage safety function is It can be used safely and comfortably for a period.
- the front lamp heater 129 and the rear lamp heater 129b are arranged in front of and behind the toilet seat 122, and a plurality of lamp heaters 129, 129b are opposed to each of the lamp heaters 129 and 129b.
- Type thermostats 130 and 130b and heat conduction type thermostats 1 31 and 13 lb are provided, and are electrically connected to each other in series.
- the return-type heat conduction thermostats 131 and 131b operate at a low temperature
- the non-reset-type thermostats 130 and 130b operate at a higher temperature than the return-type heat conduction thermostats 131 and 131b. By using temperature, it can be used safely and comfortably with higher multiple safety and long term.
- each of the lamp heaters is provided with a radiation response type and a heat conduction type thermostat facing each other.
- the same safety operation can be performed by providing the thermostats facing each other at any position. Also, if there are multiple thermostats of the same type, even if one of the same type of thermostats malfunctions, safe operation can be ensured with the other.
- the lamp heaters 129 and 129b are divided into a plurality of pieces, in the conventional ring-shaped toilet seat 2 shown in Fig. 9, one ring-shaped lamp heater 4 is connected to substantially the entire hollow portion 1 of the toilet seat 2. This eliminates the problem of direct stress on the lamp heater 4 due to the stagnation of the toilet seat 2 and the installation error of the lamp heater 4, and the lamp heater due to the stagnation of the toilet seat 122. 1. The risk of 129 damage can be eliminated.
- FIG. 20 is a cross-sectional view of a main part of the heating toilet seat according to the fourth embodiment of the present invention, and particularly shows a partial cross-sectional view of a thermostat.
- the basic configuration of the present embodiment is the same as that of the third embodiment. The difference is that the structure of the thermostat connected in series with the lamp heater is improved. Therefore, only the structure of the different thermostat will be described. To do.
- the radiation responsive thermostat 130c has a cap 153 made of transparent glass so that the bimetal 151 receives the radiation from the lamp heater 129.
- the provision of the transparent glass cap 153 makes it possible to use a water-proof or waterproof type in which water droplets and dust do not enter the inside of the radiation-responsive thermostat 130c. Even if the cavity 127 is submerged, It is possible to prevent water from entering the current-carrying part of the radiation-responsive thermostat 130c and to maintain electric insulation, thereby preventing electric shock.
- a heat-resistant black paint is applied as a radiation heat absorbing material 152 to the light receiving surface of the bimetal 151 as in FIG.
- the radiation-responsive thermostat 130 is configured to efficiently absorb the heat radiated toward the radiation-type heat generating body force bimetal 151 by the radiation heat absorbing material 152 and raise the temperature of the bimetal more quickly.
- the radiation response thermostat 130c is set such that the distance a between the lamp heater 129 and the surface of the toilet seat 122 is larger than the distance b between the lamp heater 129 and the bimetal 151. Therefore, since the bimetal 151 directly receives the radiant light from the lamp heater 129, the bimetal 151 is directly heated by the radiant light from the lamp heater 129, and the bimetallic 151 surface has a heat resistance as a radiant heat absorber 152.
- the bimetal 151 from the lamp heater 129 Because most of the radiant heat that reaches the bimetal 151 from the lamp heater 129 is absorbed by the bimetal 151, it quickly follows the rapid change in the temperature of the toilet seat 122, and the radiation-responsive thermostat 13 0 is a lamp. Since the heater 129 is electrically connected in series, the energization of the lamp heater 129 can be cut off when the temperature rises.
- the transparent glass of the cap 153 is made of quartz glass, so that the radiant light transmission characteristics of the lamp heater 129 can be improved, the response can be made faster, and the safety of interruption can be improved.
- other glasses can be used depending on the degree of necessity. not.
- the plate pressure of the transparent glass 153 is too thick, the transmission performance deteriorates. Therefore, the plate thickness is preferably 1.5 mm or less, and preferably 1.2 mm or less. Further, in each of the above-described embodiments, the same effect can be obtained even with other processing methods such as a force aluminum die casting in which the material of the seating part is an aluminum plate press-cage product.
- the type of metal may also be a copper plate or a steel plate.
- the toilet seat of the present embodiment installed on the toilet bowl 201 of the toilet apparatus includes a horizontally long main body 202, a toilet seat main body 203 pivoted forward and downward, and a lid body. It consists of 204 and
- the main body 202 is partially equipped with a hot water cleaning function, and has various control functions.
- a human body detection sensor 205 is provided integrally or independently with the main body 202, and when a person enters the toilet room, the lid 204 is opened and various control functions of the main body 202 are started. Let's do it.
- the toilet seat main body 203 is composed of a synthetic resin lower frame body 207 in which legs 206 serving as pivot portions to the main body 202 are protruded from both rear sides, and a sealing material interposed between the lower frame body 207 and a sealing material. It is formed with a seat portion 209 made of a heat conductive material such as aluminum, which is joined in a watertight manner and constitutes a cavity 208 inside.
- the cavity 208 there are two front and rear radiant heating elements 210 arranged so as to be substantially ring-shaped, and the back of the radiant heating elements 210, that is, on the lower frame 207 side, the reflector 211 is provided.
- the front and rear radiant heating element 210 is electrically connected in series, and an inert gas such as argon mixed with a small amount of nitrogen and rogen, respectively, is used for the heat transmission tube 212 that has power such as crystallized glass.
- the filament 213 is enclosed inside, and a filament 213 such as tungsten is disposed therein.
- the filament 213 is consumed by repeating a halogen cycle reaction that forms tungsten halide as the filament 213 generates heat. To prevent this.
- the radiant energy can be caused to rise very steeply using the filament 213 having a very small heat capacity as a heat source. That is, the radiant heating element 210 is For example, the temperature of the seating portion 208 is raised to an appropriate temperature at a high speed in an instantaneous time of several seconds until the user enters the toilet and is seated on the seating portion 208 of the toilet seat main body 203.
- the radiant heating element 210 does not necessarily use halogen depending on the required degree of characteristics.
- the reflecting plate 211 may be made of a stainless steel plate or a steel plate if an aluminum plate is not desired if weight is important.
- the bent portion 21 la has an upward bent portion 21 la, and the radiant heat from the radiant heat generator 210 is deflected by the bent portion 21 la so as to heat the seating portion 209 effectively and evenly. is doing.
- the reflecting plate 211 is fixed to a boss 214 formed on the lower frame body 207 with a screw or the like, and a gap for exerting a heat insulating action is set between the two according to the height of the boss 214. It is supposed to be done.
- the radiation-type heating element 210 is held by a holder 215 made of a leaf spring material whose lower end is fixed to the reflecting plate 211 by means such as welding. More specifically, as shown in FIG. 25, the holder 215 sandwiches the outer peripheral surface of the radiant heating element 210 at the free-end side arc portions of the pair of sandwiching pieces 215a and 215b. The clip 216 is locked to prevent the holding pieces 215a and 215b from being inadvertently expanded.
- the clip 216 is detachable, and if the clip 216 is removed, the radiation heating element 210 can be attached to or detached from the holding pieces 215a and 215b.
- the inner surface side of the seating portion 209 that is, the portion irradiated with the radiant heat of the radiant heating element 210 is black so that the radiant heat is well absorbed, and the insulator is also electrically insulated.
- the radiant heat-absorbing layer 217 is formed, and on the outside, that is, the seating side, the anticorrosive layer 218 such as an alumite layer, and the surface decorative layer 219 painted for the desired appearance effect are provided thereon. It is.
- the anticorrosion layer 218 and the surface decorative layer 219 do not necessarily need to have both, but the anticorrosion effect such as chemical resistance and the design such as gloss and color! can do.
- the temperature can be raised even in gray, red, and blue.
- the thermal conductivity is about 20 OW'mK and about 0.1 to lW'mK of resin, which is orders of magnitude higher. Heat is transferred to the surface decorative layer 219 of the seating portion 209 at the same time that the radiation absorbing layer 217 is heated by receiving the radiation heat of the radiation heating element 210. Because of the high heat conductivity of aluminum, it is possible to obtain a soaking effect that makes the temperature distribution more uniform. In addition, the required strength can be ensured even if the plate thickness is reduced by work hardening by pressing aluminum.
- the thickness of aluminum is preferably 0.8 to 1.2 mm in terms of strength and heating time.
- thermostats 220 are electrically connected in series on both sides of each of the front and rear radiant heating elements 210, and the seating part 209 also corresponds to the side part. Temperature sensors 221 such as one and two thermistors are attached, and act to prevent the seating part 209 from overheating in the event of an unsafe situation.
- the thermostat 220 employs a configuration in which a bimetal 222 is disposed in the case 223 so that the radiant heat from the radiant heating element 210 is directly irradiated.
- the bimetal 222 has a disc spring shape, and is alternatively reversed to two stable positions according to the temperature at the dead point.
- the radiant heat absorption layer 224 is formed so as to efficiently absorb the radiant heat from the radiant heating element 210 and to increase the temperature more quickly.
- the thermostat 220 is set such that the distance b between the radiant heating element 210 and the bimetal 222 is smaller than the distance a between the radiant heating element 210 and the seating portion 209.
- this distance a indicates the distance to the radiation absorbing layer 217 provided on the inner surface of the seating portion 209 in the present embodiment.
- FIG. S 226 A mounting body 225 for attaching a thermostat 220 to the reflector 211 that secures a predetermined distance b between the radiant heating element 210 and the bimetal 222 is shown in FIG. S 226 is provided physically.
- the arc-shaped recess formed at the tip of the spacer 226 engages with the peripheral wall of the radiant heating element 210 to determine the distance b.
- the main body 202 takes in the detection signal of the room temperature sensor 227 as a room temperature detection means to control the energization of the radiant heating element 210, and the timer unit 228 counts the elapsed energization time of the radiant heating element 210.
- a control unit 229 mainly composed of the above-described microcomputer is provided.
- the control unit 229 takes in the signals of the seating detection means 230 and the toilet seat position detection means 231 that detect the user's seating on the human body detection sensor 205 and the seating part 209, and sends them to the radiation heating element 210.
- Control of the start and stop of energization, and two temperature sensors 221 for detecting the temperature of the seating part 209 and a signal from the room temperature sensor 227, and the temperature of the seating part 209 as a warming surface is a predetermined temperature.
- the temperature of the radiant heating element 210 is controlled so as to be the value.
- control unit 229 starts energizing the radiant heating element 210, and the seating unit 209 has not yet reached a predetermined temperature.
- the lighting control of the indicator 232 such as a pilot lamp is also performed.
- the indicator 232 is disposed at a site such as the front upper surface of the main body 202 that can be confirmed regardless of whether the lid 204 is open or closed.
- the control part 229 is a radiant heating element when there is no variation in the temperature detection results of these temperature sensors 221.
- the human body detection sensor 205 detects this, and a signal is sent to the control unit 229. At this time, when it is confirmed by the signal from the toilet seat position detecting means 231 that the toilet seat main body 203 is in a substantially horizontal use position, the control unit 229 starts energization of the radiant heating element 210.
- the input energy is instantaneously converted into radiant heat, reflected directly and by the reflector 211, and radiated in the direction of the seating portion 209 of the toilet seat main body 203.
- the radiation heating element 210 when the user enters the toilet, the radiation heating element 210 can be energized to heat the seating portion 209 of the toilet seat main body 203 almost instantaneously.
- the bimetal 222 of the thermostat 220 directly receives the radiant heat of the radiant heating element 210.
- conventional heating toilet seats that are normally energized and kept large in heat dissipation loss, there is almost no heat dissipation loss, and an extremely energy-saving and safe heating toilet seat is realized.
- the lower frame body 207 is formed of a synthetic resin, and the legs 206 serving as pivot portions to the main body 202 are integrally formed with the lower frame body 207, so that radiation is achieved. Since the part to be heated by the mold heating element 210 is minimized to the seating part 209 only, and the force is kept from escaping heat through the legs 206 as much as possible, it requires less power and quickly.
- the seating part 209 can be heated.
- control unit 229 calculates the temperature difference between them and the respective temperature force based on the signals of the temperature sensor 221 and the room temperature sensor 227 at the start of energization, and stores the initial values that are set and stored in advance.
- the energization amount is reduced or reduced to zero, and then the seating section is based on the signal of the thermistor 244 The energization amount is controlled so that 209 has an appropriate temperature.
- the temperature sensor 221 detects the temperature in the vicinity of the seating part 209 that is actually touched by the user, and accurately raises and maintains the temperature to the appropriate temperature via the control part 229. Therefore, the use of the toilet seat is comfortable. Because the amount of radiant energy input is controlled according to the load based on the signals from the temperature sensor 221 and room temperature sensor 227, the power can be heated to the appropriate temperature safely and accurately. .
- the energization amount is reduced after the energization limit time and the temperature rise rate is reduced, so that the toilet seat can be added safely even if the response speed of the toilet seat temperature detection means is slow.
- an inexpensive toilet seat temperature detecting means can be used.
- the halogen radiation heating element 210 forms a halogenated tungsten in accordance with the heat generation of the filament 213.
- the halogen cycle becomes unstable when the temperature of the heat transmission tube 212 falls below 200 ° C. Therefore, in order to bring the seating portion 209 to an appropriate temperature with the radiant heating element 210, the energization cycle is changed within an output range in which the halogen cycle is effective.
- the control unit 229 stops energizing the radiation heating element 210.
- the control unit 229 stops energizing the radiation heating element 210.
- the radiation-type heating element 210 is held by the leaf spring material holder 215 to protect against impacts. Therefore, breakage of the heat transmission tube 212 and the filament 213 can be prevented.
- the amount of energization to the radiant heating element 210 is reduced to zero or the toilet seat temperature does not rise by the signal of the seating detection means 230, and the energization amount is changed up to that point. Control it. As a result, it can be used safely without worrying about burns or the like that cause the toilet seat temperature to rise excessively during use.
- the heated toilet seat is sufficient for safety because the skin is brought into direct contact with the seat 209. Careful consideration is necessary. In normal use, it can be used safely and comfortably as described above.
- control unit 229 such as a microcomputer (not shown) malfunctions for some reason and the radiant heating element 210 is continuously energized.
- the thermostat is usually configured so that the bimetal is enclosed in a metal cap and blocks radiant heat. In this configuration, the cap is first heated, and the bimetal is heated by radiation of the cap force. Therefore, it takes time for the bimetal to reach a predetermined temperature, and when the temperature of the toilet seat changes in a short time, there may be a delay in circuit shut-off.
- the thermostat 220 allows the bimetal 222 to receive heat directly and applies a heat-resistant black paint as a radiant heat absorption layer 224 to the surface. Speak.
- the thermostat 220 more specifically, the position b is set such that the distance b between the bimetal 222 and the radiant heating element 210 is shorter than the distance a between the radiant heating element 210 and the seating part 209.
- the temperature of the bimetal 222 is raised earlier than the rise of the surface temperature of the seating part 209, so that safe operation in the event of an abnormality can be accurately achieved.
- the malfunction of the thermostat 220 can be prevented. That is, if the temperature of the nanometal 222 can be raised quickly, the operating temperature of the thermostat 220 (opening the energizing circuit) can be set higher than the normal operating temperature of the toilet seat, so that the thermostat 2 during normal use. It is possible to avoid that the heating function cannot be used due to activation of 20.
- the curve (A) is the surface temperature of the seating portion 209, which is about 7.5 at room temperature of 5 ° C.
- the temperature can be raised to the normal toilet seat control temperature (Tl) in seconds (tl).
- Tl normal toilet seat control temperature
- the temperature of the bimetal 222 of the thermostat 220 rises faster than the seating portion 209 to the toilet seat control temperature (T1) in t2 hours as shown by the curve (B).
- T2 the maximum set temperature
- T3 off-operation temperature
- the distance b between the thermostat 220 and the radiant heating element 210 is important in terms of safety.
- a spacer 226 is integrally provided from a mounting body 225 for attaching the thermostat 220 to the reflector 211, and an arcuate recess formed at the tip of the spacer 226 is a radiation type.
- the heat generator 210 is engaged with the peripheral wall. As a result, the distance b between the thermostat 220 and the radiant heating element 210 is accurate, and the safe operation is performed accurately.
- some of the thermostats 220 arranged are the return type, and the rest (for example, two arranged on the left side of Fig. 23) ) Is a non-recoverable type, in the event that a malfunction occurs in the resettable thermostat 220, and the energization circuit of the radiant heating element 210 cannot be cut off, before reaching the safe limit temperature (T4), The non-returnable thermostat 220 is activated to cut off the energization circuit. As a result, the toilet seat surface temperature does not reach the safe limit temperature (T4).
- the radiation type by the non-recoverable thermostat 220 can be easily set.
- the energization circuit of the heating element 210 is interrupted, and the inconvenience that the heating function of the toilet seat cannot be used can be eliminated.
- the first stage of the initial energization time is the temperature control by the timer part 228 and the temperature sensor 221 of the control part 229
- the second stage is the interruption of the conduction circuit of the radiant heating element 210 by turning off the thermostat 220 (however, The circuit is restored due to a temperature drop)
- the third stage is a non-reset type thermostat 220.
- the reset thermostat 220 is operated at a low temperature and shuts off at a temperature
- the non-reset thermostat 220 is set at an operating temperature at which a shut down operation is performed at a higher temperature. High multiple safety and long-term safe and comfortable use.
- the heat source is composed of a plurality of radiation-type heating elements 210, stress is directly applied to the radiation-type heating element 210 due to stagnation of the toilet seat main body 203 and installation errors of the radiation-type heating element 210. This problem is solved and the risk of damage can be eliminated.
- radiant heating elements are composed of a plurality of radiation-type heating elements 210.
- the arrangement of 210 itself is also simple.
- a radiant heat absorption layer 217 is formed on the inner surface side of the seating portion 209 to which the radiant heat of the radiant heating element 210 is irradiated so as to absorb the radiant heat well. And this radiant heat absorption layer 2
- the radiation-type heating element 210 has an outer peripheral surface sandwiched between free-end side arc portions of a pair of sandwiching pieces 215a and 215b made of a leaf spring material. Inadvertent expansion is prevented by locking.
- FIG. 30 shows the sixth embodiment.
- the basic configuration is the same as that of the fifth embodiment, except that the thermostat structure is improved.
- the difference from the fifth embodiment is that the bimetal 22 in the thermostat 220.
- the radiant heating element 210 side of 2 is partitioned by a heat transmitting body 233 such as quartz glass.
- the thermostat 220 By partitioning with the heat transmitting body 233, it is possible to make the thermostat 220 a drip-proof or waterproof type that does not allow water droplets or dust to enter, and even if the cavity 208 is submerged, the thermostat 220 Can prevent water from entering the current-carrying part and maintain electrical insulation, thus preventing electric shock.
- the plate thickness will be 1.5 mm or less. Strongly preferably 1.2mm or less.
- the same effect can be obtained even by other processing methods such as a force aluminum die casting in which the material of the seating part is an aluminum plate press-casing product.
- the metal type may be copper plate or steel plate.
- FIG. 7 shows a perspective view of a heated toilet seat with a hot water washing function in the seventh embodiment of the present invention.
- the body 321 is attached to the toilet 320, and the toilet seat 3 is attached to the body 321.
- the sleeve portion 324 of the main body 321 is provided with an infrared transmitting portion, and an infrared sensor 325 for detecting the presence or absence of a human body in the toilet space is provided inside the sleeve portion 324.
- the main body 321 is provided with an LED 341 as a notification means.
- FIG. 32 is a partially cutaway plan view of a toilet seat 322 according to the seventh embodiment of the present invention.
- FIG. 33 is a cross-sectional view of a principal part of the toilet seat 322 in the seventh embodiment of the present invention.
- the toilet seat 322 has a hollow portion 328 formed therein by bonding and fixing the inner peripheral edge and the outer peripheral edge of a metal upper frame body 326 and a lower frame body 327 having high thermal conductivity represented by aluminum or the like. It becomes the structure which has.
- a radiation reflecting plate 329 having a mirror-finished aluminum plate and a lamp heater 330 which is a radiation type heating element are provided facing the seating portion of the toilet seat 322.
- the end of the radiation reflector 329 has an upward bent part over the entire circumference, and the bent part deflects the heat radiation from the lamp heater 330.
- a thermostat 331 and a thermal fuse 332 that are electrically connected in series with the lamp heater 330 are provided in the vicinity of the lamp heater 330, and act to prevent an overtemperature in the event of an unsafe situation.
- a thermistor 333 is disposed on the inner surface of the upper frame 326, and the temperature of the warming surface is adjusted to a predetermined temperature based on the signal from the thermistor 333.
- a controller (not shown) for controlling electricity is provided in the main body 321.
- the lamp heater 330 is configured by sealing a gas 336 containing argon and nitrogen as main components through a tungsten filament 335 inside a quartz tube 334, thereby preventing the tandastain filament 335 from being consumed. It works like this.
- the tungsten filament 335 having a small heat capacity can be used as a heat source, and an extremely steep rise in the radiation energy can be performed.
- FIG. 34 is a cross-sectional view of the main part of the upper frame body 326 according to the seventh embodiment of the present invention.
- the upper frame body 326 is an inner surface of the upper frame body 337 formed using a metal material such as aluminum.
- a radiant heat absorption layer 338 containing a large amount of carbon black is applied, and a surface decorative layer 339 is applied to the outer surface of the upper frame body 337 in consideration of surface hardness, chemical resistance, gloss, and the like.
- the upper frame body 337 is formed of a metal material with an average thickness of 1.2 mm, thereby improving thermal conductivity and at the same time functioning as a structural rectangular body of the toilet seat.
- the thickness of the radiant heat absorption layer 338 coated on the inner surface is 0.1 mm, and the radiant heat is completely absorbed.
- the thickness of the surface decorative layer 339 to be painted on the outer surface is 0.2 mm, and this layer also has a very small heat capacity, so that the temperature is instantly increased by the heat conducted through the upper frame body 337.
- the infrared sensor 325 detects this, and the lamp heater 330 is energized by the signal.
- the input energy is instantaneously converted into radiation energy and radiated in the direction of the upper frame body 337 via the quartz tube 334 and the radiation reflector 329.
- the infrared sensor 325 detects the human body, and energization of the lamp heater 330 is started by the signal.
- the input energy is instantaneously converted into a range energy and is transmitted through the quartz tube 334 and radiated in all directions inside the toilet seat.
- Direct and radiation reflector 32 to upper frame 326 Radiation energy is irradiated through 9.
- the radiant energy that has reached the upper frame 326 is absorbed by the radiant heat absorption layer 338 and converted into heat energy.
- the metal upper frame body 326 is heated in a short time by the heat energy, and when the upper frame body 326 reaches a predetermined temperature, the thermistor 333 detects and controls energization to the lamp heater 330 to control the upper frame body 326. Maintain 326 at a constant temperature.
- the LED 341 provided on the main body 321 is turned on when the toilet seat reaches an appropriate temperature by energizing the lamp heater 330 controlled by a temperature signal from the thermistor 333, and the lamp heater 330 until the appropriate temperature is reached. It flashes while the power is on, and the user can see the warming state of the toilet seat.
- the heating toilet seat according to the present embodiment can detect the human body and heat the upper frame body serving as the seating portion almost instantaneously, so that it is necessary to preheat the toilet seat beforehand. Since the power of the toilet seat can be recognized in advance, the warming state of the toilet seat can be recognized in advance, so that an energy saving effect and a comfortable and easy-to-use heated toilet seat can be provided.
- the period between the time when the temperature is appropriate and the time when the temperature is reached is distinguished by the lighting and flashing of the LEDs. But the effect will not change.
- FIG. 34 is a cross-sectional view of the main part of the upper frame body according to the eighth embodiment of the present invention.
- This embodiment is different from Embodiment 7 in that the upper frame body 342 shown in FIG. 34 is formed on the upper surface of the upper frame body 343 formed by injection molding using a transparent polypropylene resin material. This is a configuration in which the radiation heat absorption layer 338 is coated and the surface decorative layer 339 is further coated thereon.
- the radiation energy applied to the upper frame body 342 is partially absorbed or reflected within the upper frame body 343, most of which is transmitted. This contributes to increasing the temperature of the radiant heat absorption layer 338 and the surface decorative layer 339.
- the radiant heat absorption layer 338 and the surface decorative layer 339 have extremely small heat capacities. Heated toilet seats can be seated in a short period of time, providing a more energy-saving effect, and a comfortable and user-friendly heating toilet seat.
- FIG. 37 is a perspective view of a heated toilet seat with a hot water washing function according to the ninth embodiment of the present invention.
- the body 421 is attached to the toilet 420, and the toilet seat 4 is attached to the body 421.
- the sleeve 424 of the main body 421 is provided with an infrared transmitting portion, and an infrared sensor 425 for detecting the presence or absence of a human body in the toilet space is provided inside the sleeve 424.
- FIG. 38 is a partially cutaway plan view of the toilet seat 422 according to the ninth embodiment of the present invention.
- FIG. 39 is a cross-sectional view of a principal part of the toilet seat 422 in the ninth embodiment of the present invention.
- the toilet seat 422 has a hollow portion 428 formed therein by bonding and fixing the inner peripheral edge and the outer peripheral edge of a metal upper frame body 426 and a lower frame body 427 having a high thermal conductivity represented by aluminum or the like. It becomes the structure which has.
- a radiation reflecting plate 429 having a mirror-finished aluminum plate and a lamp heater 430, which is a radiation-type heating element, are provided facing the seating portion of the toilet seat 422.
- the end portion of the radiation reflector 429 has an upward bent portion over the entire circumference, and the bent portion deflects the heat radiation from the lamp heater 430.
- a thermostat 431 and a thermal fuse 432 electrically connected in series with the lamp heater 330 are provided, and act to prevent the temperature from rising in the event of an unsafe situation.
- a thermistor 433 is disposed on the inner surface of the upper frame body 426, and the power supply to the lamp heater 430 is controlled based on a signal from the thermistor 433 so that the temperature of the heating surface becomes a predetermined temperature.
- a controller (not shown) is provided on the main body 421.
- the lamp heater 430 is configured by sealing a gas 436 containing argon and nitrogen as main components through a tungsten filament 435 inside a quartz tube 434. This prevents the filament 435 from being consumed.
- the tungsten filament 435 having a small heat capacity can be used as a heat source, and an extremely steep rise in the radiation energy can be performed.
- FIG. 40 is a cross-sectional view of the main part of the upper case 426 according to the ninth embodiment of the present invention.
- the upper case 426 uses an inner material of an upper frame body 437 formed of a metal material such as aluminum.
- a radiant heat absorption layer 438 containing a large amount of carbon black is applied, and a surface decorative layer 439 is applied to the outer surface of the upper frame body 437 in consideration of surface hardness, chemical resistance, gloss, etc. 441, a temperature control indicator 441 with the property of changing color.
- the upper case body 437 is formed of a metal material with an average thickness of 1.2 mm, thereby improving the thermal conductivity and at the same time the rigidity of the upper case body 437 functions as a structural rectangular body of the toilet seat.
- the thickness of the radiant heat absorption layer 438 coated on the inner surface is 0.1 mm, and the radiant energy is completely absorbed. At the same time, since the heat capacity is very small, the temperature is instantaneously increased.
- the thickness of the surface decorative layer 439 to be painted on the outer surface is 0.2 mm, and this layer also has a very small heat capacity, so that the temperature is instantaneously increased by the heat conducted through the upper case body 437.
- Fig. 41 is a perspective view when the heated toilet seat is broken, and shows a state in which the toilet seat temperature becomes high when the failure occurs. This is an example in which the letters “high temperature” can be recognized on the toilet seat when the temperature of the toilet seat temperature exceeds 50 ° C by painting the temperature control indicator 441 with the letters “high temperature”.
- the form of painting of the temperature control indicator 441 is not limited to that form, whether it is text or form, as long as it feels uncomfortable when the user looks at the toilet seat. Absent.
- the infrared sensor 425 detects the human body, and energization of the lamp heater 430 is started by the signal.
- the input energy is instantaneously converted into a range energy and is transmitted through the quartz tube 434 and radiated in all directions inside the toilet seat.
- Direct and radiation reflector 42 to upper frame 426 Radiation energy is irradiated through 9.
- the radiant energy that has reached the upper frame 426 is absorbed by the radiant heat absorption layer 438 and converted into heat energy.
- the metal upper frame body 426 is heated in a short time by the heat energy, and when the upper frame body 426 reaches a predetermined temperature, the thermistor 433 detects and controls the energization to the lamp heater 430 to control the upper frame body. Maintain 426 at a constant temperature.
- the temperature control of the toilet seat is not possible. However, the temperature of the seating surface will continue to rise and reach a temperature that causes burns when seated.However, the discoloration temperature of the temperature control indicator 441 is assumed to be the burn area, temporarily at 50 ° C. If discoloration occurs, when the toilet seat temperature reaches 50 ° C, characters and shapes will appear on the toilet seat.
- FIG. 42 is a fragmentary cross-sectional view of the upper frame body according to the tenth embodiment of the present invention.
- the difference between the present embodiment and the ninth embodiment is that the upper frame body 442 shown in FIG. 42 is formed on the upper surface of the upper frame body 443 formed by injection molding using a transparent polypropylene resin material.
- This is a configuration in which the radiation heat absorption layer 438 is applied, the surface decorative layer 439 is applied thereon, and the temperature control indicator 441 having the characteristic of changing color at a predetermined temperature or higher is applied.
- the radiation energy irradiated to the upper frame body 442 is partially absorbed or reflected within the upper frame body 443, most of which is transmitted. It contributes to increasing the temperature of the radiant heat absorption layer 438 and the surface decorative layer 439.
- the radiant heat absorption layer 438 and the surface decorative layer 439 have extremely small heat capacities, so they can be heated in a very short time and can be seated in a short time, resulting in a more energy-saving effect and more comfortable and convenient to use. It can be provided.
- the temperature management indicator 441 has the same functions and effects as those of the ninth embodiment.
- the bimetal of the thermostat is heated by the radiant light from the radiant heating element, and the temperature change can be detected quickly, and a heating toilet seat that can be used safely is obtained. It can be applied as a heating technology for the equipment to be used. In the unlikely event of a failure, it is possible to recognize dangerous conditions such as burns on the toilet seat, so it can be applied to other heating appliances.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020117005109A KR101077102B1 (ko) | 2005-04-28 | 2006-04-28 | 난방 변기 시트와 그것을 탑재한 변기 장치 |
CN2006800146327A CN101166453B (zh) | 2005-04-28 | 2006-04-28 | 加热座圈以及安装有该加热座圈的马桶装置 |
KR1020117005110A KR101077103B1 (ko) | 2005-04-28 | 2006-04-28 | 난방 변기 시트와 그것을 탑재한 변기 장치 |
Applications Claiming Priority (10)
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JP2005131974A JP2006305098A (ja) | 2005-04-28 | 2005-04-28 | 暖房便座 |
JP2005-131973 | 2005-04-28 | ||
JP2005-131974 | 2005-04-28 | ||
JP2005131973A JP2006305097A (ja) | 2005-04-28 | 2005-04-28 | 暖房便座 |
JP2005206419A JP3952068B2 (ja) | 2005-07-15 | 2005-07-15 | 暖房便座とそれを搭載したトイレ装置 |
JP2005-206419 | 2005-07-15 | ||
JP2005238151 | 2005-08-19 | ||
JP2005-238151 | 2005-08-19 | ||
JP2005-251180 | 2005-08-31 | ||
JP2005251180A JP3912419B2 (ja) | 2005-08-31 | 2005-08-31 | 暖房便座とそれを搭載したトイレ装置 |
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WO2006118275A1 true WO2006118275A1 (ja) | 2006-11-09 |
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PCT/JP2006/309041 WO2006118275A1 (ja) | 2005-04-28 | 2006-04-28 | 暖房便座とそれを搭載したトイレ装置 |
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KR (3) | KR101071197B1 (ja) |
CN (1) | CN102429608B (ja) |
WO (1) | WO2006118275A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010051781A (ja) * | 2008-04-03 | 2010-03-11 | Panasonic Corp | 衛生洗浄装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200468694Y1 (ko) * | 2012-11-07 | 2013-08-28 | 최인숙 | 변기시트 |
CN107928529B (zh) * | 2013-03-11 | 2022-05-27 | 科勒公司 | 具有被照亮的座圈铰链的马桶 |
CN105411467B (zh) * | 2014-09-09 | 2019-09-27 | 松下知识产权经营株式会社 | 便座装置 |
CN105045126B (zh) * | 2015-08-17 | 2019-01-11 | 珠海美光原科技股份有限公司 | 智能温度控制系统 |
CN105101554B (zh) * | 2015-08-17 | 2018-05-11 | 四川雅全科技有限公司 | 自动温度控制系统 |
CN105353664B (zh) * | 2015-12-04 | 2018-11-27 | 上海亚虹模具股份有限公司 | 一种智能座便器座圈过热故障的分辨方法 |
KR200488486Y1 (ko) * | 2017-07-27 | 2019-02-12 | 주식회사 아시아산업 | 전열 침구류용 과열 방지 장치 |
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JPS5825126A (ja) * | 1981-08-08 | 1983-02-15 | 松下電器産業株式会社 | 暖房便座 |
JPH07139744A (ja) * | 1993-11-16 | 1995-05-30 | Hitachi Home Tec Ltd | 電気こたつの発熱装置 |
JP2000210230A (ja) * | 1999-01-27 | 2000-08-02 | Matsushita Electric Ind Co Ltd | 暖房便座 |
JP2003144352A (ja) * | 2001-11-16 | 2003-05-20 | Toto Ltd | 暖房便座 |
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JPH071468B2 (ja) * | 1986-02-25 | 1995-01-11 | アイシン精機株式会社 | 加熱温度制御装置 |
CN2211786Y (zh) * | 1994-06-24 | 1995-11-08 | 北京亚都科技股份有限公司 | 组装式加热坐圈 |
CN2436085Y (zh) * | 1999-12-07 | 2001-06-27 | 邹长江 | 杀菌、温控的卫生坐便器盖 |
JP2002159420A (ja) * | 2000-11-28 | 2002-06-04 | Pan Washlet:Kk | 衛生洗浄装置 |
CN1195928C (zh) * | 2002-06-28 | 2005-04-06 | 曹增全 | 全自动智能坐便器 |
-
2006
- 2006-04-28 KR KR1020077024824A patent/KR101071197B1/ko not_active IP Right Cessation
- 2006-04-28 CN CN201110309923.1A patent/CN102429608B/zh not_active Expired - Fee Related
- 2006-04-28 KR KR1020117005109A patent/KR101077102B1/ko not_active IP Right Cessation
- 2006-04-28 KR KR1020117005110A patent/KR101077103B1/ko not_active IP Right Cessation
- 2006-04-28 WO PCT/JP2006/309041 patent/WO2006118275A1/ja active Application Filing
Patent Citations (4)
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JPS5825126A (ja) * | 1981-08-08 | 1983-02-15 | 松下電器産業株式会社 | 暖房便座 |
JPH07139744A (ja) * | 1993-11-16 | 1995-05-30 | Hitachi Home Tec Ltd | 電気こたつの発熱装置 |
JP2000210230A (ja) * | 1999-01-27 | 2000-08-02 | Matsushita Electric Ind Co Ltd | 暖房便座 |
JP2003144352A (ja) * | 2001-11-16 | 2003-05-20 | Toto Ltd | 暖房便座 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010051781A (ja) * | 2008-04-03 | 2010-03-11 | Panasonic Corp | 衛生洗浄装置 |
Also Published As
Publication number | Publication date |
---|---|
KR101071197B1 (ko) | 2011-10-10 |
KR101077103B1 (ko) | 2011-10-26 |
KR20110026028A (ko) | 2011-03-14 |
KR20110028666A (ko) | 2011-03-21 |
CN102429608A (zh) | 2012-05-02 |
KR101077102B1 (ko) | 2011-10-26 |
CN102429608B (zh) | 2015-05-27 |
KR20070116164A (ko) | 2007-12-06 |
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