JP2004162505A - Toilet bowl device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toilet bowl device for preventing filth from adhering on a toilet bowl by wetting the bowl before evacuation at a low cost and space saving without using a dedicated water washing nozzle or the like at a feces fall part of a bowl face of the toilet bowl. <P>SOLUTION: The toilet bowl device is provided with the toilet bowl body; a feed water means for independently performing feed water to a rim discharge part discharging washing water on the bowl face of the toilet bowl body and feed water to a jet discharge part for directly discharging jet washing water to a trap discharge part respectively; a control means for controlling operation of the feed water means; and a human body detecting means for detecting a human body and/or a seating detection means for detecting seating on a toilet seat by the human body. The control means operates the feed water means to feed water of a first feed water amount to the rim discharge part based on a first detection signal in the case that the human body detecting means and/or the seating detection means change over from a non-detection state to a detection state. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a toilet apparatus provided with rim water discharge and jet water discharge.
[0002]
[Prior art]
As a conventional toilet device, a special nozzle is provided to wet the stool drop point on the bowl surface of the toilet in advance, and it is devised so that stool does not easily adhere to the toilet, so that the toilet is dirty and looks uncomfortable. I was preventing it. (For example, see FIG. 5 of Patent Document 1.)
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 5-1441
[Problems to be solved by the invention]
However, such a configuration requires not only a dedicated washing water nozzle but also an electromagnetic valve or the like for supplying washing water to the washing water nozzle. That is, there is a problem that not only the cost is increased but also the installation space is required.
The present invention has been made in view of such circumstances, and without using a dedicated washing water nozzle or the like, the place where the stool falls on the bowl surface of the toilet bowl, is wetted before defecation in a low cost and small space, and adheres to the toilet bowl. It is an object of the present invention to provide a toilet device for preventing such a situation.
[0005]
[Means for Solving the Problems and Functions / Effects]
In order to solve the above-mentioned problems, in the present invention, a toilet body, a water supply to a rim water discharge part for discharging cleaning water to a bowl surface of the toilet body and a jet water discharge part for discharging jet cleaning water directly to a trap discharge part. Water supply means for independently supplying water, control means for controlling the operation of the water supply means, human body detection means for detecting a human body and / or seating detection means for detecting that the human body is seated on the toilet seat. In the toilet device, the control means activates the water supply means based on a first detection signal when the human body detection means and / or the seating detection means switches from the non-detection state to the detection state, and the rim water discharging section In this method, the first supply amount of water is supplied.
As a result, without using a dedicated washing water nozzle etc., it is possible to pre-wet the falling part of the toilet bowl that is dry by supplying water to the toilet rim drainage part before use in low cost and small space, The stool can be prevented from adhering to the toilet.
[0006]
In a preferred aspect of the present invention, water is supplied to a toilet body, a rim water discharging unit for discharging cleaning water to a bowl surface of the toilet body, and a jet water discharging unit for discharging jet cleaning water directly to a trap discharge unit. A water supply unit that independently performs the operation, a control unit that controls the operation of the water supply unit, and an operation unit that transmits a command to the control unit, wherein the toilet device that receives a signal from the operation unit The control means operates the water supply means to supply a first amount of water to the rim water discharger.
As a result, without using a dedicated washing water nozzle etc., it is possible to pre-wet the falling part of the toilet bowl that is dry by supplying water to the toilet rim drainage part before use in low cost and small space, The stool can be prevented from adhering to the toilet. Further, when the human body detecting means or the seating detecting means breaks down, it is possible to reliably wet the toilet by operating the operating means.
[0007]
In a preferred aspect of the present invention, the operation means is a remote control box.
Thereby, the operation means can be arranged at a place where the user can easily operate.
[0008]
In a preferred aspect of the present invention, the apparatus further includes a human body detecting unit that detects the human body and / or the seating detecting unit that detects that the human body is seated on a toilet seat, wherein the human body detecting unit and / or the seating detecting unit includes The toilet device, wherein the operation unit becomes operable based on a first detection signal when the state is switched from the non-detection state to the detection state.
Thus, even if the operation means is operated by mistake, such as during cleaning of the toilet, there is no operation.
[0009]
In a preferred aspect of the present invention, the first water supply amount is set to be smaller than a second water supply amount supplied to the rim water discharge part in order to discharge post-fecal waste.
Thus, it is sufficient to supply water to the toilet bowl before use so that the stool drop location of the toilet bowl that is dry can be wet in advance, and water can be saved without wasting much water.
[0010]
In a preferred aspect of the present invention, the control means has a water supply amount adjusting function of adjusting the first water supply amount.
This makes it possible to set and use the optimum amount of water even when the water supply pressure at the place of use fluctuates.
[0011]
Further, as a preferred aspect of the present invention, the control means activates the water supply means based on a second detection signal when the human body detection means switches from the detection state to the non-detection state, so that the The second amount of water is supplied. This makes it possible to reliably wash off dirt attached to the toilet and to automatically wash the toilet when the human body separates from the toilet, so that it is possible to prevent the user from forgetting to flush the waste.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
A toilet device according to the present invention will be described with reference to the drawings.
FIG. 1 is an explanatory view of the toilet apparatus of the first to fourth embodiments according to the present invention, FIG. 2 is an external perspective view of the toilet apparatus, FIG. 3 is an explanatory view of a fifth toilet apparatus, and FIG. FIG. 5 is an explanatory view of a toilet device, and FIG. 5 is an explanatory view of a reflective infrared sensor unit.
[0013]
(First to fourth embodiments)
The toilet apparatus 10 includes a siphon-jet type flush toilet main body 12 and a device housing portion 15 provided at an upper rear portion of the toilet main body 12. The toilet body 12 has a bowl portion 11, a trap drainage portion 13 having one end communicating with the bottom of the bowl portion 11, a jet outlet 16 for discharging washing water toward an entrance of the trap drainage portion 13, and an upper peripheral edge. It has an annular rim water discharge part 14. A large number of through holes 14a are formed in the bottom wall of the rim water discharging portion 14 at intervals in the circumferential direction, and the washing water is discharged from the through holes 14a along the bowl surface of the bowl portion 11. Has become.
In addition, the rim water spouting section 14 is not limited to the present embodiment in which a water guide section is provided around the rim at the upper end of the bowl section 11 of the toilet body 12, and flush water is supplied to the vicinity of the rim at the back of the upper end of the bowl section 11. It is also possible to provide an injection port for jetting vigorously and jet the washing water from the injection port so as to spirally flow through the bowl portion 11.
The other end of the trap drain 13 is connected to a drain pipe (not shown).
[0014]
A water supply pipe 17 connected to a water supply pipe (not shown) is provided in the equipment storage section 15, and branch pipes 18 and 19 branch from the water supply pipe 17. The branch pipe 18 is connected to a first water stop valve 20 formed of an electromagnetic valve as an example of water supply means, and the branch pipe 19 is connected to a second water stop valve 21 formed of an electromagnetic valve also as an example of water supply means. It is connected. A pipe 22 connected to the downstream side of the water stop valve 20 is connected to the jet outlet 16 through an air release valve 23 on the way. Further, a pipe 24 on the downstream side of the water stop valve 21 is connected to a water guide section 25 connected to the rim water discharge section 14.
[0015]
Further, a control means 26 for controlling the entire toilet apparatus 10 including the opening / closing control of the water shutoff valves 20 and 21 is provided in the equipment storage section 15. A switch operation unit 29, which is an example of an operation unit having an ON switch 27 and an OFF switch 28, which is connected to the control unit 26 and opens and closes the water stop valve 21, is provided on the side of the toilet body 12 or the device storage unit 15. Is provided. When the side switch box means is provided on the side of the toilet main body 12, the switch operation unit 29 can be incorporated therein. Further, a remote control box 33 is disposed at a position separated from the toilet main body 10, and an ON switch 27 and an OFF switch 28 are provided thereon.
In this embodiment, the remote control box 33 is powered by a battery, includes a light emitting device 34 composed of a light emitting diode arranged facing the ceiling surface of the toilet, and includes a phototransistor, a photodiode, and the like provided at a specific position of the device storage unit 15. A light is applied to a light receiver (not shown) composed of a light source, and a signal is sent to the control means 26 to open and close the water shutoff valves 20 and 21.
Reference numeral 31 denotes an openable and closable toilet seat, and reference numeral 32 denotes a toilet lid that covers the toilet seat.
Reference numeral 45 denotes a reflection type infrared sensor unit, as shown in FIG. 5, which integrally includes a human body detection sensor 45a for detecting a human body in the toilet room and a seating detection sensor 45b for detecting that the human body is seated on the toilet seat 31, and accommodates equipment. It is arranged in the unit 15.
[0016]
In the normal washing, the bowl 11 is washed with water supplied from the rim spouting section 14 after stool, and contaminants are subsequently conveyed by water jetting from the jet outlet 16, and washing is performed again with water supplied from the rim spouting section 14. To seal the water.
[0017]
In the first embodiment, a first signal when the seating detection sensor 45b switches from the non-detection state to the detection state is sent to the control means 26, the water stop valve 21 opens, and tap water passes through the water stop valve 21. Then, the water is supplied into the rim water discharging section 14, and a predetermined first water supply amount of the cleaning water is discharged from the through hole 14 a into the bowl section 11. In this case, as shown in FIG. 2, by directing the respective through holes 14a in a diagonal counterclockwise direction, a counterclockwise water flow is formed in the bowl portion 11, and the entire surface of the bowl portion 11 is more evenly distributed. It is washed to cover. The first water supply amount is determined by supplying cleaning water for a predetermined time.
Then, when the water supply of the first water supply amount ends, the water stop valve 21 closes, and the water discharge from the rim water discharger 14 stops.
[0018]
In the second embodiment, when the user operates the ON switch 27 of the switch operation unit 29, the first signal is sent to the control unit 26, the water stop valve 21 is opened, and tap water is turned on. The water is supplied into the rim water discharger 14 through the rim water discharger, and a predetermined first water supply amount of the wash water is discharged from the through hole 14 a into the bowl 11. In this case, as shown in FIG. 2, by directing the respective through holes 14a in a diagonal counterclockwise direction, a counterclockwise water flow is formed in the bowl portion 11, and the entire surface of the bowl portion 11 is more evenly distributed. It is washed to cover. The first water supply amount is determined by supplying cleaning water for a predetermined time.
Then, when the water supply of the first water supply amount ends, the water stop valve 21 closes, and the water discharge from the rim water discharger 14 stops.
[0019]
In the third embodiment, when the user operates the ON switch 27 of the remote control box 33, the same cleaning operation as in the second embodiment is performed. In the case of this embodiment, it is possible to arrange the remote control box 33 so that the user can easily operate it.
[0020]
In the fourth embodiment, the seating detection sensor 45b for detecting that the user is seated on the toilet seat is operated by the operation unit based on a first detection signal when the seating detection unit switches from the non-detection state to the detection state. It becomes possible.
Thus, even if the operation means is operated by mistake, such as during cleaning of the toilet, there is no operation.
[0021]
(Fifth embodiment)
Next, a toilet apparatus according to a fifth embodiment of the present invention will be described with reference to FIG. 3, but only different points from the first embodiment will be described.
In the fifth embodiment, the amount of water to be supplied to the rim water discharger when the seating detection sensor 45b switches from the non-detection state to the detection state after the stool is used, and then the cleaning water amount (second Water supply).
Specifically, this can be achieved by setting the opening time from the control means 26 to the water stop valve 21 to be shorter than the second water supply amount. The setting of the time is performed by adjusting a knob 37 provided on the switch operation unit 36. Thereby, it is possible to prevent the flow of more water than necessary and to save water.
[0022]
(Sixth embodiment)
Next, a toilet apparatus according to a sixth embodiment of the present invention will be described with reference to FIG. 4, but only different points from the first embodiment will be described.
In the sixth embodiment, a flow control valve 35 whose flow can be adjusted by an electric signal is provided on the secondary side of the water stop valve 21. The flow control valve 35 has a predetermined set opening in normal use. The switch operation unit 36 is provided with a control knob (volume) 37 for setting the opening degree of the flow control valve 35. The instantaneous water supply flow rate of the valve 35 can be adjusted. As a result, the water supply amount can be adjusted to an arbitrary water supply amount even if the water supply amount changes due to a change in the water supply pressure or the like. The above water can be prevented from flowing and water can be saved.
[0023]
(Seventh embodiment)
Next, a toilet apparatus according to a seventh embodiment of the present invention will be described. However, only different points from the flush toilet apparatus 10 according to the first embodiment will be described.
In the toilet apparatus of this embodiment, in any of the first or fourth, fifth, and sixth embodiments, after the stool, the user separates from the toilet body 12 and the seating detection sensor 45b switches from the detection state to the non-detection state. The control means 26 operates the water shutoff valves 20 and 21 to supply water to the toilet body 12 based on the signal (second signal) at that time. This makes it possible to reliably wash off dirt adhering to the toilet 12 after stool and to automatically clean the toilet 12 when the human body separates from the toilet 12, thereby preventing forgetting to flush the waste. .
[0024]
In the above embodiment, the washing operation is performed by the detection signal of the seating detection sensor 45b, but the cleaning operation may be performed by using the detection signal of the human body detection sensor 45a. Further, by using the seating detection sensor 45b and the human body detection sensor 45a together, it is possible to increase the detection accuracy.
[Brief description of the drawings]
FIG. 1 is an explanatory view of a toilet apparatus according to first to fourth embodiments of the present invention.
FIG. 2 is an external perspective view of the toilet apparatus of FIG.
FIG. 3 is a schematic explanatory view of a toilet apparatus according to a fifth embodiment.
FIG. 4 is a schematic explanatory view of a toilet apparatus according to a sixth embodiment.
FIG. 5 is an explanatory diagram of a reflection type infrared sensor unit.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Toilet apparatus 11 ... Bowl part 12 ... Toilet main body 13 ... Trap drainage part 14 ... Rim water discharge part 14a ... Through hole 15 ... Equipment storage part 16 ... Jet spout 17 ... Water supply pipes 18, 19 ... Branch pipes 20, 21, 38 ... water stop valve (water supply means)
Reference numerals 22, 24: piping 23, atmosphere release valve 25, water guide 26, control means 27, on switch 28, off switches 29, 36, switch operation unit 31, toilet seat 32, toilet lid 33, remote control box 34, floodlights 35, 39 ... Flow rate adjusting valve 37 Knob 45 Reflective infrared sensor unit 45a Human body detection sensor 45b Seating detection sensor

Claims (7)

A toilet body, and a water supply means for independently supplying water to a rim water discharging unit for discharging cleaning water to a bowl surface of the toilet body and water to a jet water discharging unit for discharging jet cleaning water directly to a trap discharge unit, A toilet device comprising: control means for controlling the operation of the water supply means; and human body detection means for detecting a human body and / or seat detection means for detecting that the human body is seated on a toilet seat, wherein the human body detection means and / or The control means operates the water supply means based on a first detection signal when the seating detection means switches from the non-detection state to the detection state to supply the rim water discharge part with the first water supply amount. Toilet device characterized. A toilet body, and a water supply means for independently supplying water to a rim water discharging unit for discharging cleaning water to a bowl surface of the toilet body and water to a jet water discharging unit for discharging jet cleaning water directly to a trap discharge unit, Control means for controlling the operation of the water supply means, and an operation means for transmitting a command to the control means, in a toilet device, wherein the control means receiving a signal from the operation means operates the water supply means A lavatory apparatus characterized by supplying a first amount of water to the rim water discharger. 3. The toilet apparatus according to claim 2, wherein said operation means is a remote control box. 4. The toilet device according to claim 2, further comprising: a human body detecting unit that detects a human body and / or a seating detecting unit that detects that the human body is seated on a toilet seat, wherein the human body detecting unit and / or the seating detecting unit includes: The toilet device, wherein the operation unit is operable based on a first detection signal when the state is switched from the non-detection state to the detection state. 5. The toilet device according to claim 1, wherein the first amount of water supplied is smaller than a second amount of water supplied to the rim spout to discharge post-fecal waste. Toilet bowl device. The toilet apparatus according to any one of claims 1 to 5, wherein the control means has a water supply amount adjusting function for adjusting the first water supply amount. 7. The toilet device according to claim 1, wherein the control unit is based on a second detection signal when the human body detection unit and / or the seating detection unit switches from a detection state to a non-detection state. 8. Operating the water supply means to supply the rim water discharger with the second water supply amount.

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