JP2021098934A - Toilet system - Google Patents

Abstract

To provide a toilet system capable of coping with hand-washing timing different for every user, reducing wasteful water consumption without increasing the number of parts and cost for a water discharging part for hand-washing, and allowing preferable hand-washing operation, in a constitution of water discharging from the water discharging part for hand-washing on the basis of the operation of a toilet bowl device.SOLUTION: A toilet system 1 for washing a toilet bowl 14 has a hand-washing plug 41 and a control unit 20 controlling the washing operation of the toilet bowl 14 and ejection and stop of water from the hand-washing plug 41. The control unit 20 controls the ejection and stop of water of the hand-washing plug 41 on the basis of the washing operation of the toilet bowl 14, and can vary the timing of starting water discharge from the hand-washing plug 41 by the control by the control unit 20.SELECTED DRAWING: Figure 3

Description

The present invention relates to a toilet system that discharges water from a water discharge unit for hand washing based on a control signal from the control unit of the toilet bowl device.

Conventionally, in a toilet system having a toilet bowl device and a water discharge unit for hand washing, an electromagnetic valve that switches between water discharge and water stoppage from the water discharge unit for hand washing based on a control signal from the control unit of the toilet bowl device. Is known (see, for example, Patent Document 1). Patent Document 1 discloses a toilet system configured to operate an electric drive valve such as a solenoid valve provided in a water supply channel for a water discharge portion for hand washing by supplying electric power from a power supply portion of a toilet bowl device. Has been done.

Further, as a toilet system that discharges water from a water discharge unit for hand washing based on the operation of the toilet device, for example, as disclosed in Patent Document 2, a signal from a seating sensor provided on the toilet seat of the toilet device is used. Based on this, a technique for controlling the water discharge operation of the water discharge unit for hand washing is known. In Patent Document 2, in a configuration in which a control unit that controls wash water for washing the toilet bowl controls the water discharge operation of the water discharge unit for hand washing in the toilet bowl device, after the control unit receives a signal from the seating sensor, A configuration is disclosed in which water discharged from a water discharge unit for hand washing is controlled to flow for a certain period of time.

JP-A-2018-84069 Japanese Unexamined Patent Publication No. 2008-303624

There are the following problems in the control configuration in which the water discharge operation of the water discharge unit for hand washing is performed based on the operation of the toilet bowl device. The time required for a series of operations in which a user sitting on the toilet seat stands up after defecation, puts on clothes, and moves to a water spout for hand washing varies depending on the user. Therefore, the timing of water discharge for hand washing based on the operation of the toilet bowl device may deviate from the desired timing for the user to wash the hands.

Specifically, for example, in the case of a user who takes longer than usual to put on clothes after leaving the toilet seat, it takes longer to wash the hands because it takes longer to put on clothes. For this reason, the timing of spouting water for hand washing based on the operation of the toilet bowl device becomes earlier than the timing desired by the user, and in some cases, the timing of spouting water for hand washing is not in time for the user. It may not be possible to wash your hands. On the contrary, in the case of a user who moves quickly after leaving the toilet seat and takes a shorter time than usual to perform the hand-washing operation, the timing of water discharge for hand-washing based on the operation of the toilet bowl device is desired by the user. It is possible that it will be later than the timing to do it.

Therefore, even a user who takes a relatively long time to perform the hand-washing operation by wearing clothes or a user who takes a relatively short time to perform the hand-washing operation can sufficiently spout water from the water spouting part for hand-washing. For example, it is conceivable to lengthen the water spouting time from the water spouting part for hand washing so that the water can be received. However, lengthening the time for spouting water from the water spouting part for hand washing is not preferable from the viewpoint of saving water because the amount of wasted water for spouting water from the water spouting part increases accordingly.

In addition, by adopting an automatic faucet that detects the user's hand with a sensor such as an infrared sensor or Doppler sensor and automatically discharges water in the water discharge part for hand washing, control based on the operation of the toilet bowl device is Regardless, it is possible to spout water for hand washing. However, it is not preferable to adopt an automatic faucet equipped with a sensor for hand detection because there is a concern that the number of parts and the cost of the water spouting part for hand washing may increase.

The present invention has been made in view of the above problems, and in a configuration in which water is discharged from a water discharge unit for hand washing based on the operation of the toilet bowl device, the timing of hand washing differs depending on the user or the like. It is an object of the present invention to provide a toilet system capable of reducing wasteful water and performing good hand-washing operation without increasing the number of parts and cost of the water-discharging part for hand-washing. ..

The toilet system according to the present invention is a toilet system that cleans a toilet bowl, and includes a water discharge unit for hand washing, a control unit that controls the cleaning operation of the toilet bowl, and a control unit that controls water discharge from the water discharge unit. The control unit controls the water discharge stop of the water discharge unit based on the cleaning operation of the toilet bowl, and the timing of starting the water discharge from the water discharge unit can be changed by the control of the control unit. is there.

According to the toilet system having such a configuration, in a configuration in which water is discharged from the water discharge unit for hand washing based on the operation of the toilet bowl device, it is possible to respond to different hand washing timings depending on the user and the like, and water discharge for hand washing can be performed. Wasteful water can be reduced and good hand-washing operation can be performed without increasing the number of parts and the cost of the part.

In another aspect of the toilet system according to the present invention, in the above-mentioned toilet system, the control unit is configured so that the timing for starting water discharge from the water discharge unit can be set as a plurality of switchable patterns. is there.

According to the toilet system having such a configuration, since multiple users can individually set the hand wash water discharge timing, multiple users can use the hand wash unit at the timing of starting hand wash water discharge that suits their taste. can do. As a result, the usability of the hand-washing section can be improved, and the water spouting from the water spouting section for hand-washing can be efficiently used.

In another aspect of the toilet system according to the present invention, in the above-mentioned toilet system, the control unit has a plurality of cleaning modes as a control mode for the cleaning operation of the toilet bowl, and the cleaning mode causes water discharge from the water discharge unit for hand washing. It changes the timing to start.

According to the toilet system having such a configuration, the timing of starting hand-washing water discharge can be changed according to the washing mode of the toilet bowl. Therefore, water discharge for hand washing can be performed at an appropriate timing according to the usage status of the toilet bowl device by the user. Water can be discharged from the part. As a result, water spouting for hand washing can be efficiently used, and a smooth hand washing operation by the hand washing portion becomes possible.

In another aspect of the toilet system according to the present invention, in the above-mentioned toilet system, the control unit has a large cleaning mode and a small cleaning mode in which the toilet bowl is cleaned with a smaller amount of cleaning water than the large cleaning mode. When the toilet bowl is washed in the large washing mode, the timing of starting water discharge from the water spouting part for hand washing is delayed as compared with the case where the toilet bowl is washed in the small washing mode. ..

According to the toilet system having such a configuration, the timing of starting hand washing and spouting can be changed according to the washing mode of large washing and small washing. Therefore, for example, the time required for clothing after stool and the seating on the toilet seat It is possible to spout water from the water spouting part for hand washing at an appropriate timing according to the detailed usage situation of the toilet bowl device such as the presence or absence. As a result, efficient use of water spouting for hand washing and smooth hand washing operation by the hand washing portion can be effectively achieved.

In another aspect of the toilet system according to the present invention, in the above-mentioned toilet system, the control unit starts the cleaning operation of the toilet bowl before the timing of starting the water discharge from the water discharge unit for hand washing.

According to the toilet system having such a configuration, it is possible to wash the hands by the hand washing part after the washing of the excrement in the toilet bowl is started and then the excrement is washed away from the toilet bowl. It becomes. That is, it is possible to avoid a situation in which the user washes his / her hands with the hand-washing part while the excrement remains in the toilet bowl. As a result, the user can wash his / her hands in a state of emotional cleanliness, and can improve the usability of the toilet.

According to the present invention, in a configuration in which water is discharged from a water discharge unit for hand washing based on the operation of the toilet bowl device, it is possible to respond to different hand washing timings depending on the user and the like, and the number of parts and the number of parts of the water discharge unit for hand washing can be increased. Wasteful water can be reduced and good hand-washing operation can be performed without increasing the cost.

It is a perspective view which shows the structure of the toilet system which concerns on one Embodiment of this invention. It is a perspective view which shows the structure of the toilet bowl device which concerns on one Embodiment of this invention. It is a block diagram which shows the structure of the toilet system which concerns on one Embodiment of this invention. It is a figure which shows the structure of the remote control which concerns on one Embodiment of this invention. It is explanatory drawing about an example of the control mode of the hand wash spouting water which concerns on one Embodiment of this invention. It is explanatory drawing about an example of the control mode of the hand wash water discharge by the wash mode of the toilet bowl which concerns on one Embodiment of this invention. It is explanatory drawing about an example of the control mode of the hand wash spouting water which concerns on one Embodiment of this invention. It is a flow figure for demonstrating an example of the use mode of the toilet system which concerns on one Embodiment of this invention. It is a flow figure for demonstrating an example of the use mode of the toilet system which concerns on one Embodiment of this invention.

INDUSTRIAL APPLICABILITY In the water discharge system of a hand-washing faucet for a toilet that discharges water from a water discharge unit for hand washing based on a control signal from a control unit of a toilet device, the timing of water discharge from the water discharge unit for hand washing can be changed. By doing so, it is intended to enable the operation of hand-washing water discharge at an appropriate timing according to the usage mode of the toilet bowl device by the user. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

As shown in FIG. 1, the toilet system 1 according to the present embodiment is installed in the toilet (toilet room) 2, and includes a toilet device 3 which is a toilet device and a hand washing unit 4 for washing hands. Be prepared.

The toilet 2 has a floor 5 forming a horizontal floor surface 5a, a side wall 6 forming a toilet space on the floor 5, and a rear wall 7. The side wall 6 and the rear wall 7 form vertical wall surfaces 6a and 7a, respectively. The toilet bowl device 3 is installed on the floor 5. The toilet device 3 is installed in the toilet 2 at a position near the rear wall 7 (immediately before) so that the front-rear direction is along the front-rear direction of the toilet space. The hand wash portion 4 is provided in the toilet 2 at a distant position in front of the toilet bowl device 3 along the side wall 6.

As shown in FIG. 1, the toilet system 1 receives water from a branch faucet 8 connected to a water pipe and attached to a rear wall 7 to a toilet bowl device 3 and a hand washing unit 4, respectively. The branch faucet 8 is provided near the corner portion of the floor surface 5a, the wall surface 6a, and the wall surface 7a, and extends from the base pipe portion 8a protruding from the wall surface 7a of the rear wall 7 and the base pipe portion 8a to supply water. It has a branch pipe portion 8b for branching the route.

A water supply pipe 9 for the toilet bowl device for supplying water to the toilet bowl device 3 is connected to one of the branched pipe portions in the branch pipe portion 8b. Further, a water supply pipe 10 for the hand wash portion for supplying water to the hand wash portion 4 is connected to the other pipe portion branched in the branch pipe portion 8b.

The toilet bowl device 3 will be described. As shown in FIG. 2, the toilet bowl device 3 includes a toilet bowl 14 which is a Western-style sitting toilet bowl and a sanitary cleaning device 15 which discharges washing water for washing a local part of a human body (user). The sanitary cleaning device 15 is provided in the toilet bowl device 3 in a state of being installed on the toilet bowl 14. The sanitary cleaning device 15 may be detachably attached to the toilet bowl 14 or may be integrally provided with the toilet bowl 14. The toilet bowl device 3 may constitute, for example, a so-called wall-mounted toilet bowl in which the toilet bowl 14 is supported by the rear wall 7 or the lining.

The toilet bowl 14 has a concave bowl portion 14a with the upper side open. The toilet bowl 14 receives excrement such as urine and feces of the user of the toilet bowl device 3 in the bowl portion 14a.

The sanitary cleaning device 15 includes a device main body 16 having various devices / devices as a plurality of functional units in a casing 17 forming a housing, and a toilet seat 18 and a toilet lid rotatably supported with respect to the casing 17. 19 and. The sanitary cleaning device 15 positions the device main body 16 on the rear upper side of the bowl portion 14a with respect to the toilet bowl 14, and opens and closes the upper open portion of the bowl portion 14a by rotating the toilet seat 18 and the toilet lid 19. It is provided as follows.

The configuration of the sanitary cleaning device 15 will be described with reference to FIG. Note that FIG. 3 also shows the configuration of the wash water supply path and the control configuration. In FIG. 3, the water flow is shown by a solid line and the signal or electricity flow is shown by a broken line.

As shown in FIG. 3, the sanitary cleaning device 15 includes a control unit 20, a human body detection sensor 22, a seating detection sensor 23, a cleaning water supply unit 24, a nozzle unit 25, and a toilet bowl cleaning valve unit 26. .. These configurations are built into the casing 17. Further, the sanitary cleaning device 15 has a remote controller (remote controller) 21 as an operation unit that receives an operation by the user (see FIG. 2).

The control unit 20 includes a CPU (Central Processing Unit) as an arithmetic processing unit that executes various arithmetic processes and controls, a storage device such as a RAM (random access memory) and a ROM (read only memory), and input / output for data input / output. It has a configuration in which an input / output device (input / output circuit) such as an interface and peripheral circuits such as a clock circuit are connected by a bus or the like. The control unit 20 controls the operation of each unit such as the cleaning water supply unit 24, the nozzle unit 25, and the toilet bowl cleaning valve unit 26. The control unit 20 controls the operation of each unit in response to an input signal from the remote controller 21 based on, for example, an operation of the remote controller 21 by the user.

The sanitary cleaning device 15 has a remote control receiving unit in the casing 17 that receives a signal transmitted from the remote control 21. The operation signal transmitted from the remote controller 21 is received by the remote controller receiving unit and sent from the remote controller receiving unit to the control unit 20. The signal transmission method of the remote controller 21 is, for example, an infrared method using infrared rays, a radio wave method using radio waves, an ultrasonic method using ultrasonic waves, or the like. In the case of the infrared method, the remote controller receiving unit receives infrared rays (infrared signals) transmitted from the remote controller 21, converts the received infrared rays into an electric signal, and transmits the received infrared rays to the control unit 20.

The remote controller 21 is installed on the side wall surface 6a of the toilet bowl device 3 in the toilet 2, for example. The remote controller 21 is provided with various operation buttons. Specifically, as shown in FIG. 4, the remote controller 21 is provided with a buttocks cleaning button 27a, a bidet cleaning button 27b, and a stop button 27c as operation buttons 27 for local cleaning, for example. Further, the remote control 21 has a toilet bowl cleaning button 28 according to a plurality of toilet bowl cleaning modes included in the toilet bowl device 3, and a large cleaning button 28a for executing a large cleaning mainly used at the time of urine by the user. Is provided with a small wash button 28b for performing a small wash used during urination by the user. Further, the remote controller 21 is provided with a toilet seat opening / closing button 29a for opening / closing the toilet seat 18 and a toilet lid opening / closing button 29b for opening / closing the toilet lid 19. In addition, the remote controller 21 is provided with various operation buttons such as an adjustment button for adjusting the discharge position and momentum of the cleaning water for local cleaning, for example. When the buttons on the remote controller 21 are operated, the remote controller 21 transmits an operation signal. The operation signal of the remote controller 21 includes information for controlling the operation of each part of the sanitary cleaning device 15 in response to the operation of the remote controller 21 by the user.

The human body detection sensor 22 detects a human body approaching the device main body 16, and is a sensor that detects a user who has entered the toilet 2. The human body detection sensor 22 is, for example, a radio wave sensor such as a pyroelectric sensor using an infrared signal or a microwave Doppler sensor using a microwave. The human body detection sensor 22 is connected to the control unit 20 and outputs a detection signal to the control unit 20.

The seating detection sensor 23 is a sensor that detects a user immediately before sitting on the toilet seat 18 or a user sitting on the toilet seat 18 as a user's seat. The seating detection sensor 23 is, for example, an infrared light emitting / receiving type distance measuring sensor or a switch (seating switch) that detects the load of the user seated on the toilet seat 18 and performs an ON / OFF operation. Further, the seating detection sensor 23 may use a capacitance type as a detection method. The seating detection sensor 23 is connected to the control unit 20 and outputs a detection signal to the control unit 20.

The wash water supply unit 24 receives water from a branch faucet 8 connected to a water pipe that supplies water from the water supply as a water supply source 30, and supplies the supplied wash water (water) to the nozzle unit 25. To do. The washing water supply unit 24 receives water from the water supply flow path (local washing flow path 9a) extending from the branch faucet 8. The washing water supply unit 24 includes a water supply pipe connection unit (not shown) to which the water supply pipe is connected, a valve unit 31, a heat exchanger unit 32, an electrolytic cell 33, and a vacuum breaker 34.

The valve unit 31 is provided on the downstream side of the water supply pipe connection portion, and includes, for example, a flow path on-off valve, a pressure regulating valve, a strainer, etc., which are composed of solenoid valves. Switch between supply and stop of the wash water supplied from 8. The valve unit 31 is connected to the control unit 20 and opens and closes based on a control signal from the control unit 20.

The heat exchanger unit 32 is provided on the downstream side of the valve unit 31 and heats the supplied water to convert it into hot water. The heat exchanger unit 32 may be of an instantaneous heating type (instantaneous type) using, for example, a ceramic heater as a heating source, or a hot water storage heating type having a heating element such as a sheathed heater in the hot water storage tank as a heating source. It may be. The heating source of the heat exchanger unit 32 is connected to the control unit 20, and generates heat by energization based on the control signal from the control unit 20.

The electrolytic cell 33 is provided on the downstream side of the heat exchanger unit 32, has a pair of electrodes, and electrolyzes the water supplied from the heat exchanger unit 32 side between the electrodes to obtain functional water. To produce water containing hypochlorous acid (HClO). The electrolytic cell 33 is connected to the control unit 20 by a predetermined wiring, and the energization operation in the electrolytic cell 33 is controlled based on the control signal from the control unit 20.

The vacuum breaker 34 is of an atmospheric release type having an open portion open to the atmosphere, and prevents the backflow of water supplied from the electrolytic cell 33. The water that has passed through the vacuum breaker 34 is supplied to the nozzle unit 25.

The nozzle unit 25 includes a nozzle 36, which is a local cleaning nozzle forming a nozzle body, a flow path switching valve 37, and a nozzle driving unit 38.

The nozzle 36 discharges the water supplied from the washing water supply unit 24 as water (washing water) for washing a local part of the human body, and the nozzle driving unit 38 discharges the water from the inside of the casing 17 to the bowl of the toilet bowl 14. It is provided so that it can move forward and backward (can appear and disappear) with respect to the inside of the portion 14a. The nozzle 36 has a plurality of water discharge holes for discharging cleaning water on one side (front end side) in the longitudinal direction thereof. The nozzle 36 is formed with a water supply flow path that communicates with each water discharge hole from the flow path switching valve 37.

The flow path switching valve 37 is provided on the downstream side of the vacuum breaker 34 so as to move integrally with the nozzle 36, for example, and receives the water (including the functional water) supplied from the vacuum breaker 34. The flow path switching valve 37 switches the flow path to a plurality of wash water supply destinations such as a water supply flow path for each water discharge hole of the nozzle 36.

The flow path switching valve 37 has a disc valve mechanism for switching the flow path, and has a motor as a drive source for the disc valve mechanism. This motor is, for example, a stepping motor (pulse motor) that rotates in synchronization with pulse power. The motor is connected to the control unit 20 by a predetermined wiring, and the operation of the motor, that is, the operation of the flow path switching valve 37 is controlled by the control unit 20.

The nozzle drive unit 38 includes a nozzle motor such as an electric motor as a drive source and a transmission mechanism that transmits the power of the nozzle motor as power for advancing and retreating the nozzle 36, and the nozzle 36 is placed in the bowl portion 14a of the toilet bowl 14. On the other hand, move forward and backward. The nozzle motor is connected to the control unit 20 by a predetermined wiring, and the operation of the nozzle motor is controlled by the control unit 20. The nozzle 36 extends into the bowl portion 14a in response to an operation of the remote controller 21 by the user of the toilet bowl device 3, and ejects washing water from the water discharge hole.

The flow path configuration of the washing water for washing the toilet bowl in the toilet bowl device 3 will be described. The water supply pipe 9 for the toilet bowl from the branch faucet 8 to the toilet bowl device 3 is a local cleaning flow path 9a which is a water supply route to the cleaning water supply unit 24 of the sanitary cleaning device 15 and a toilet bowl cleaning which is a water supply route to the toilet bowl 14. It branches into the flow path 9b.

The water supplied from the branch faucet 8 to the water supply pipe 9 for the toilet bowl device is supplied from the toilet bowl cleaning flow path 9b to the bowl portion 14a of the toilet bowl 14 via the toilet bowl cleaning valve unit 26. The toilet bowl cleaning valve unit 26 controls the water supply to the toilet bowl 14 by its operation.

That is, the toilet device 3 according to the present embodiment adopts a so-called water supply direct connection system as a water supply system for the toilet 14, and water supplied from the water supply is supplied from the branch faucet 8 via the toilet cleaning valve unit 26. It is supplied to the toilet bowl 14 and the toilet bowl 14 is washed. The water supplied to the toilet bowl 14 is supplied to, for example, the rim water passage formed along the upper edge of the bowl portion 14a in the toilet bowl 14, and is discharged from a plurality of water discharge holes formed in the rim water passage to form a bowl. The inner wall surface of the portion 14a is cleaned. The toilet bowl cleaning valve unit 26 is connected to the control unit 20, and the opening / closing operation of the toilet bowl cleaning valve unit 26 is controlled based on the control signal from the control unit 20. The water supply system for the toilet bowl 14 is not limited to the water supply system directly connected to the water supply, and may be a system using a washing water tank provided in the toilet bowl device 3.

The toilet device 3 includes a large cleaning and a small cleaning as described above as a toilet cleaning mode for cleaning the toilet 14. Here, the large cleaning is a cleaning mode in which the amount of cleaning water supplied to the toilet bowl 14 is relatively larger than that of the small cleaning. As an example, the amount of washing water supplied to the toilet bowl 14 is about 6 to 10 liters in the case of large washing and about 5 to 8 liters in the case of small washing.

The toilet bowl cleaning operation in the toilet bowl device 3 is executed by operating the large cleaning button 28a or the small cleaning button 28b on the remote controller 21. That is, when the toilet bowl cleaning button 28 is pressed by the user, the control unit 20 receives an operation signal from the remote controller 21 via the remote controller receiving unit, and responds to the content of the operation signal (large cleaning operation or small cleaning operation). The toilet bowl cleaning valve unit 26 is operated to supply the toilet bowl 14 with cleaning water.

The amount of washing water for washing the toilet bowl is adjusted by adjusting the time for opening the toilet bowl washing valve unit 26 (water flow state). In the case of large cleaning, the time required for the toilet bowl cleaning valve unit 26 to pass water is longer than in the case of small cleaning.

Further, the toilet bowl cleaning operation in the toilet bowl device 3 is automatically performed (without requiring the operation of the remote controller 21) by detecting the user's movement based on the detection signals of the seating detection sensor 23 and the human body detection sensor 22. It may be said. In this case, for example, when the user sitting on the toilet seat 18 stands up after defecation, that is, when the user's departure is detected by the seating detection sensor 23, the control unit 20 receives an input from the seating detection sensor 23. Based on the signal, a signal for opening the toilet bowl cleaning valve unit 26 is output, and cleaning water is supplied to the toilet bowl 14. Whether or not to perform the automatic toilet bowl cleaning operation based on the sensor output is included in the items that can be set by operating the remote controller 21 according to the preference of the user and the like.

As described above, the control unit 20 has a plurality of cleaning modes as a control mode for the cleaning operation of the toilet bowl 14. The control mode for the cleaning operation of the toilet bowl 14 includes a control mode for controlling the operation of the toilet bowl cleaning valve unit 26. In the present embodiment, as the cleaning mode, the control unit 20 performs a large cleaning mode for executing a large cleaning and a small cleaning for performing a cleaning operation of the toilet bowl 14 with a smaller amount of cleaning water than the large cleaning mode. It has a small wash mode.

The sanitary cleaning device 15 is configured to perform a cleaning mode called eco-small cleaning in which the amount of cleaning water supplied to the toilet bowl 14 is smaller than that of the small cleaning, in addition to the large cleaning and the small cleaning. It may be the one that has been cleaned. In this case, the control unit 20 will have an eco-small cleaning mode as the cleaning mode, and the remote controller 21 will be provided with an eco-small cleaning button for executing the eco-small cleaning as the toilet bowl cleaning button 28. ..

The hand washing unit 4 will be described. As shown in FIGS. 1 and 3, the hand-washing section 4 includes a hand-washing faucet 41 as a water spouting section for hand-washing and a hand-washing device 42 having a bowl section 42a as a hand-washing pot for receiving water discharged from the hand-washing faucet 41. To be equipped. The hand-washing section 4 enables hand-washing in the toilet 2.

The hand wash faucet 41 has a spout 41a for discharging water. In the hand wash basin 42, a drain port 42b is opened at the bottom of the bowl portion 42a. On the rear side of the bowl portion 42a, a rectangular plate-shaped back plate portion 42c extends upward along the wall surface 6a. A hand wash faucet 41 is projected from the left and right central portions of the upper portion of the back plate portion 42c. The hand wash faucet 41 is provided with a water discharge stop button 41b as an operation unit for operating water discharge / stop from the hand wash faucet 41.

The hand wash basin 42 is provided on the upper side of the cabinet 43 installed on the floor surface 5a. The cabinet 43 has left and right side surface portions, a front surface portion, and an upper surface portion, and these surface portions form a vertically long hollow box-shaped storage portion that forms a storage space 43a. The cabinet 43 has substantially the same dimensions as the hand wash basin 42 in the width direction (left-right direction).

On the right side of the cabinet 43 (rear side of the toilet 2), a counter 45 formed by a horizontal counter surface 45a is provided. The counter 45 is composed of a rectangular plate-shaped member, and is provided horizontally over the entire space between the cabinet 43 and the rear wall 7 and along the wall surface 6a. The counter 45 is provided so that the height of the counter surface 45a is positioned at substantially the same height as the upper surface of the cabinet 43. Further, the dimensions of the counter surface 45a in the width direction (short direction) are substantially the same as the dimensions in the front-rear direction of the cabinet 43.

Below the counter 45, a paper winder 46 for holding two roll-shaped toilet papers 47 side by side is provided. The paper winder 46 is provided in a state of being fixed to the lower surface with respect to the counter 45. The paper winder 46 is provided at a position closer to the cabinet 43 in the longitudinal direction of the counter 45.

The hand wash faucet 41 receives water from the hand wash portion water supply pipe 10 extending from the branch faucet 8. The water supply pipe 10 for the hand-washing section constitutes a water supply channel for hand-washing together with the hand-washing water supply pipe 50 connected to the hand-washing faucet 41. The water supply pipe 10 for the hand wash portion extends upward from the branch faucet 8 and horizontally extends toward the cabinet 43 side along the wall surface 6a at a position below the counter 45, and is on the right side of the cabinet 43. It penetrates the side wall and extends into the storage space 43a.

A water supply valve unit 52 for hand washing is provided in the water supply channel for hand washing. The water supply valve unit 52 is provided in the storage space 43a of the cabinet 43, and at the inflow port of the washing water, the end portion on the downstream side of the water supply pipe 10 for the hand washing part is connected via the strainer 52a and is washed. At the water outlet, the end of the hand wash water supply pipe 50 on the upstream side is connected. The hand wash water supply pipe 50 extends upward from the water supply valve unit 52 in the cabinet 43, is arranged on the back side of the back plate portion 42c of the hand wash basin 42, and is arranged from the back side of the back plate portion 42c to the front side of the back plate portion 42c. It is connected to the protruding hand wash faucet 41.

The water supply valve unit 52 operates so as to switch between water flow and water stoppage of water flowing through the water supply channel for hand washing, and by this switching operation, water discharge and water stoppage from the water discharge port 41a of the hand wash faucet 41 are switched. Switch. The water supply valve unit 52 is electrically driven, and includes an electric valve such as a solenoid valve that opens and closes a water supply channel for hand washing to switch between water flow and water stoppage.

The water supply valve unit 52 is connected to the control unit 20 by a wire harness 53 for transmitting electricity and signals, and receives control signals and electric power from the control unit 20. That is, the control unit 20 controls the operation of the water supply valve unit 52, and switches between water discharge from the water discharge port 41a of the hand wash faucet 41 and water stoppage. The electric power to the water supply valve unit 52 is supplied from the power supply unit provided in the sanitary cleaning device 15. This power supply unit is connected to a commercial AC power supply or a power source such as a battery via a plug, and is also connected to the control unit 20 to supply electric power to various devices / devices of the sanitary cleaning device 15. ..

The upstream side of the hand wash drain pipe 55 is connected to the drain port 42 b of the bowl portion 42a that receives the water discharged from the hand wash faucet 41. The hand-washing drainage pipe 55 extends downward from the drainage port 42b and is arranged in the storage space 43a of the cabinet 43, and penetrates the right side wall of the cabinet 43 from the storage space 43a like the water supply pipe 10 for the hand-washing part. It extends horizontally along the wall surface 6a toward the rear wall 7 side. The extending portion of the hand wash drain pipe 55 from the cabinet 43 to the rear side extends in parallel with the pipe portion of the hand wash portion water supply pipe 10.

The hand-washing drainage pipe 55 has a folded-back portion with respect to a pipe portion extending downward from the drainage port 42b in the storage space 43a of the cabinet 43, and has a trap pipe portion 55a curved in a substantially “U” shape. In the hand wash drain pipe 55, a portion downstream of the trap pipe portion 55a is curved at a right angle to the folded pipe portion forming the trap pipe portion 55a to form a horizontally extended portion. In the trap pipe portion 55a, a sealing water is formed by the drainage, and it is prevented that odors, pests and the like enter from the drainage port 42b.

The downstream side of the hand wash drain pipe 55 is connected to the drain trap of the toilet bowl 14. As a result, the water discharged from the hand wash faucet 41 is discharged from the drain port 42b of the bowl portion 42a into the drain trap of the toilet bowl 14 via the hand wash drain pipe 55. The downstream side of the hand wash drainage pipe 55 may be connected to a predetermined drainage facility provided on the building side, for example, from the side wall 6 side or the floor 5 side.

Of the water supply pipe 10 for the hand wash portion and the hand wash drain pipe 55, the portion including the horizontal pipe portion arranged parallel to each other is covered with the pipe cover 58 provided on the right side (rear wall 7 side) of the cabinet 43. ing. The piping cover 58 is provided below the counter 45 so as to have a cross-sectional shape along a rectangular shape and extend horizontally so as to cover the entire space between the cabinet 43 and the rear wall 7, with respect to the side wall 6. Is installed. The pipe cover 58 covers most of the hand wash portion water supply pipe 10 and the hand wash drain pipe 55 arranged outside the cabinet 43. The pipe cover 58 also houses a wire harness 53 or the like that connects the control unit 20 of the toilet bowl device 3 and the water supply valve unit 52.

As described above, the toilet system 1 according to the present embodiment is a toilet system that cleans the toilet bowl 14, and is a hand-washing faucet 41 as a water discharge unit for hand-washing, control of the washing operation of the toilet bowl 14, and hand-washing. It is provided with a control unit 20 that controls water discharge from the faucet 41. In such a configuration, the control unit 20 controls the water discharge stop of the hand wash faucet 41 based on the cleaning operation of the toilet bowl 14, and starts the water discharge from the hand wash faucet 41 under the control of the control unit 20. The timing can be changed.

As the cleaning operation of the toilet bowl 14, the control unit 20 performs a large cleaning operation of the toilet bowl cleaning valve unit 26 in the large cleaning mode based on the operation of the large cleaning button 28a of the remote control 21 and an operation of the small cleaning button 28b of the remote control 21. Based on the small cleaning mode, the small cleaning that operates the toilet bowl cleaning valve unit 26 is performed. Based on such a washing operation of the toilet bowl 14, the control unit 20 controls the water discharge stop of the hand washing faucet 41.

Specifically, when the control unit 20 receives an operation signal from the remote control 21 based on the operation of the toilet bowl cleaning button 28, the control unit 20 transmits a control signal to the toilet bowl cleaning valve unit 26 based on the input of the operation signal. The toilet bowl 14 is cleaned. The control unit 20 performs the cleaning operation of the toilet bowl 14 at either the timing of inputting the operation signal from the remote control 21 or the timing of outputting the control signal to the toilet bowl cleaning valve unit 26 when performing the cleaning operation of the toilet bowl 14. (Hereinafter referred to as "toilet bowl cleaning timing").

The control unit 20 uses a control operation for specifying the toilet bowl cleaning timing as a trigger, transmits a control signal to the water supply valve unit 52 at a predetermined timing based on the toilet bowl cleaning timing, and sets the water supply channel for hand washing as a water passage state for hand washing. Water discharge from the plug 41 is started. The control unit 20 that has started the water discharge stops the water discharge by controlling the water supply valve unit 52 after the water discharge is continued for a predetermined time. The automatic water discharge operation of the hand wash unit 4 based on such a toilet bowl cleaning operation does not require the operation of the water discharge stop button 41b of the hand wash unit 4, and the cleanliness of the hand wash faucet 41 and the like is maintained. Above preferred.

Then, the control unit 20 is configured to change the timing for starting water discharge from the hand wash faucet 41 (hereinafter referred to as “hand wash water discharge timing”) based on the cleaning operation of the toilet bowl 14 as described above. .. Here, the hand-washing water discharge timing is, for example, the timing of outputting a control signal to the water supply valve unit 52 when the control unit 20 starts water discharge from the hand-washing faucet 41.

In the graph shown in FIG. 5, the horizontal axis shows the time, the graph G0 shows the water discharge time (water discharge duration) of the toilet bowl washing operation, and the graphs G1, G2, and G3 show the water discharge time of the hand wash water discharge operation (water discharge time). The duration of water discharge) is shown. Here, the water discharge time of the flush water in the toilet bowl cleaning operation corresponds to the time during which the toilet bowl cleaning valve unit 26 is in the water flow state, and the water discharge time in the hand wash water discharge operation is the time during which the water supply valve unit 52 is in the water flow state. Correspond.

As shown in FIG. 5, when the toilet bowl washing timing is time t0 (0 seconds) and the hand washing water discharge timing is time ta, the control unit 20 changes the hand washing water discharge start time Δt, which is the time from time t0 to time ta. It is configured to be possible. For example, when the hand wash water discharge start time Δt is 0 seconds, time t0 = time ta, and as shown in Graph G0 and Graph G1, the hand wash water discharge timing (time ta1) coincides with the toilet bowl wash timing (time t0). .. When the hand wash water discharge start time Δt is time t2, as shown in Graph G0 and Graph G2, the hand wash water discharge timing (time ta2) is after time t2 has elapsed from the toilet bowl wash timing (time t0). When the hand wash water discharge start time Δt is a time t3 longer than the time t2, the hand wash water discharge timing (time ta3) is after the time t3 has elapsed from the toilet bowl wash timing (time t0), as shown in Graph G0 and Graph G3. Become.

In this way, the control unit 20 is configured so that the hand wash water discharge start time Δt can be changed. The water discharge time of the hand wash water discharge operation, that is, the time Δs from the hand wash water discharge timing to the stop of water discharge from the hand wash faucet 41 is, for example, about several seconds to several tens of seconds, and can be configured to be changeable by the user. it can. The control unit 20 controls the water supply valve unit 52 so that the hand wash faucet 41 is stopped after a predetermined time has elapsed from the hand wash spout timing.

As described above, in the configuration in which the hand wash water discharge timing based on the toilet bowl wash timing is variable by the control unit 20, the control unit 20 switches the timing (hand wash water discharge timing) for starting water discharge from the hand wash faucet 41. It is configured so that it can be set as multiple possible patterns. That is, the control unit 20 is configured so that a plurality of hand wash water discharge start times Δt can be set and registered according to the user and the like.

The toilet bowl device 3 is configured so that setting contents (adjustment contents) for various functions of the sanitary washing device 15 can be registered for each user, and the setting contents include a hand washing water discharge start time Δt. As shown in FIG. 4, the remote controller 21 is provided with a plurality of user buttons 60 as an operation unit for registering / calling the setting contents of various functions of the sanitary cleaning device 15.

In the present embodiment, the remote controller 21 is provided with four user buttons 60a, 60b, 60c, and 60d side by side as user buttons 60. Regarding the four user buttons 60, for example, in the case of a family of four, one user button 60 is assigned to each person and used. In addition, one user may use a plurality of user buttons 60.

The hand wash spouting start time Δt is set to, for example, 0 seconds, 15 seconds, 30 seconds, 45 seconds, 60 seconds, and the like. When the hand wash water discharge start time Δt is 0 seconds, the hand wash water discharge timing is the same as the toilet bowl wash timing. That is, in this case, water discharge from the hand wash faucet 41 is started at the same time as the operation of the toilet bowl wash button 28. The setting contents for various functions of the sanitary cleaning device 15 are stored in a storage device such as a RAM in the control unit 20. Various functions of the sanitary cleaning device 15 to be registered / called include not only the timing of hand washing water discharge, but also, for example, the strength of washing water discharged from the nozzle 36, the position where the washing water is discharged by the nozzle 36, the temperature of the toilet seat 18, and the like. Is included.

An example of an operation method and a configuration for registering / calling various functions of the sanitary cleaning device 15 will be described. At the time of registration, first, among the plurality of user buttons 60, the button to be registered is selected and the button is pressed. Here, the first user button 60a is pressed. After pressing the first user button 60a, the operation button for adjusting the hand wash water discharge start time Δt (not shown) provided on the remote controller 21 is operated to set the hand wash water discharge start time Δt to a desired time. After that, the registration is completed by pressing the button for user setting (not shown) provided on the remote controller 21.

Then, when calling up the registered contents for various functions of the sanitary cleaning device 15, the first user button 60a among the plurality of user buttons 60 is pressed. When the user button 60 other than the first user button 60a is pressed, the contents registered in association with the pressed button are called up. In this way, the user button 60 serves as an operation unit for instructing the control unit 20 of the sanitary cleaning device 15 to read out the settings of the user registered in advance.

In the present embodiment, a plurality of user buttons 60 according to the number that can be registered are provided as an operation unit for registering / calling the setting contents for various functions of the sanitary cleaning device 15. It is not limited to such a configuration. The operation unit for registering / calling the setting contents may be, for example, a combination of a single user button and a plurality of number display units whose display is switched each time the user button is operated. Further, the number of registrations that can be registered for various functions of the sanitary cleaning device 15 is not limited to four, and may be, for example, three or five.

As described above, the control unit 20 has a plurality of cleaning modes as a control mode for the cleaning operation of the toilet bowl 14, depending on the plurality of toilet bowl cleaning modes included in the toilet bowl device 3. In such a configuration, the control unit 20 is configured to change the hand wash water discharge timing according to the wash mode. That is, the control unit 20 is configured to change the hand wash spouting start time Δt according to the toilet bowl washing mode.

In the present embodiment, the control unit 20 has a large cleaning mode and a small cleaning mode as the cleaning mode of the toilet bowl 14. In such a configuration, the control unit 20 delays the hand wash water discharge timing when the toilet bowl 14 is washed in the large wash mode as compared with the case where the toilet bowl 14 is washed in the small wash mode. That is, the control unit 20 is configured to have a longer hand wash spouting start time Δt when performing a large wash than when performing a small wash. An example of such a control operation by the control unit 20 will be described with reference to FIG.

FIG. 6A shows a case where the control unit 20 performs a large cleaning. In the graph shown in FIG. 6A, the horizontal axis shows the time, the graph G11 shows the water discharge time of the wash water in the toilet bowl washing operation, and the graph G12 shows the water discharge time in the hand wash water discharge operation. As shown in FIG. 6A, in the case of large-scale washing, the hand-washing water discharge timing (time ta11) comes after a predetermined time t11, which is the hand-washing water discharge start time Δt, has elapsed with respect to the toilet bowl washing timing (time t0).

FIG. 6B shows a case where the control unit 20 performs a small cleaning. In the graph shown in FIG. 6B, the horizontal axis shows the time, the graph G21 shows the water discharge time of the wash water in the toilet bowl washing operation, and the graph G22 shows the water discharge time in the hand wash water discharge operation. As shown in FIG. 6B, in the case of small washing, the hand washing water discharge timing (time ta12) is the same as the toilet bowl washing timing (time t0) (time t0 = time ta), and the hand washing water discharge start time Δt is 0 seconds. It has become. In the small washing, the amount of washing water supplied to the toilet bowl 14 is smaller than in the case of the large washing, and the water discharge time (time Δu) of the washing water in the toilet bowl washing operation is shorter than in the case of the large washing.

As described above, in the case of large washing, water discharge from the hand wash faucet 41 is started after a predetermined time t11 elapses from the toilet bowl wash timing, and in the case of small wash, water discharge from the hand wash faucet 41 is started at the same time as the toilet bowl wash timing. Is started. The adjustment of the hand wash water discharge timing by such a wash mode is based on the following usage status of the toilet 2 by the user.

In the case of large-scale washing, the time for the user to put on clothes and the like after adding the work is relatively long, so that the timing of hand-washing water discharge is shifted after the timing of washing the toilet bowl. That is, if the user wears clothes for a relatively long time, the time from the end of use of the toilet bowl device 3 to the start of the hand washing operation becomes longer, and therefore, from the toilet bowl washing timing to the hand washing water discharge timing. It takes a considerable amount of time. Therefore, for example, a time t11, which is a hand-washing water discharge start time Δt, is secured as a time from when the user leaves the toilet seat 18 (standing up operation) to when the user starts the hand-washing operation by the hand-washing unit 4. As an example only, the length of the time t11 is, for example, about 30 seconds.

On the other hand, in the case of small washing, the time for the user to put on clothes and the like after adding the work is relatively short, so that the water spouting by the hand washing faucet 41 is started at the same time as the toilet bowl washing timing. That is, in the case of small washing, the time for the user to put on clothes and the like is relatively short, and the time from the end of use of the toilet bowl device 3 to the start of the hand washing operation is short. The timing of hand washing and spouting is the same as the timing of washing the toilet bowl. The usage situation in the case of such a small wash is assumed to be a case where the small wash is performed after the user has added the work without sitting on the toilet seat 18.

In the example shown in FIG. 6B, the hand wash water discharge timing is the same as the toilet bowl wash timing (hand wash water discharge start time Δt = 0 seconds), but the timing is not limited to the case where these timings are simultaneous. In the case of small washing, for example, water discharge from the hand washing faucet 41 may be started immediately after the toilet bowl washing timing. That is, in the case of small washing, for example, as the hand washing water discharge start time Δt, a time shorter than the time t11 in the case of large washing may be secured. Further, when the sanitary cleaning device 15 is configured to perform eco-small cleaning, the control of the hand-washing water discharge timing is performed, for example, as the control at the time of eco-small cleaning, the same as the control at the time of small cleaning. It may be.

Regarding the relationship between the toilet bowl cleaning timing and the hand-washing water discharge timing, as the configuration of the control unit 20, the control unit 20 appropriately adopts a configuration in which the cleaning operation of the toilet bowl 14 is started before the hand-washing water discharge timing. That is, the toilet bowl washing timing is set to a time before a predetermined time before the hand washing water discharge timing.

Specifically, for example, as shown in FIG. 6A, in the case of large-scale washing, for example, a predetermined time, which is the hand-washing water discharge start time Δt, with respect to the toilet bowl washing timing (time t0) based on the signal from the seating detection sensor 23. After the elapse of t11, the hand wash water discharge timing (time ta11) comes. The example shown in FIG. 6A is for a large wash, but similarly for a small wash, for example, the hand wash spout timing comes after a predetermined time has elapsed from the toilet bowl wash timing based on the operation of the remote controller 21, that is, the hand wash spout timing. A configuration in which the start time Δt is secured may be adopted.

Further, as a configuration in which the hand-washing water discharge timing comes after a predetermined time has elapsed from the toilet bowl washing timing, for example, as shown in FIG. 7A, the timing at which the washing operation of the toilet bowl 14 is completed may be set as the hand-washing water discharge timing. .. That is, in this configuration, as shown in FIG. 7A, the time tb, which is the end timing of the toilet bowl washing operation, is the time ta31, which is the hand washing water discharge timing. In other words, the time t31, which is the hand-washing water discharge start time Δt, is the same as the time for discharging the washing water in the toilet bowl washing operation, that is, the time Δu from the toilet bowl washing timing to the stop of the supply of the washing water to the toilet bowl 14. .. The timing for stopping the supply of the washing water to the toilet bowl 14, that is, the timing for ending the toilet bowl washing operation is, for example, for the control unit 20 to close the toilet bowl washing valve unit 26 with respect to the toilet bowl washing valve unit 26. Corresponds to the timing of signal transmission.

As yet another pattern, as a configuration in which the hand washing water discharge timing comes after a predetermined time has elapsed from the toilet bowl washing timing, for example, as shown in FIG. 7B, the hand washing water discharge timing has elapsed after a predetermined time has elapsed from the timing when the washing operation of the toilet bowl 14 is completed. May be configured to visit. That is, in this configuration, as shown in FIG. 7B, the time after the lapse of the predetermined interval time Δv from the time tb, which is the end timing of the toilet bowl washing operation, is the time ta32, which is the hand washing water discharge timing. In other words, in this configuration, the time t32, which is the hand-washing water discharge start time Δt, is the sum of the time Δu from the toilet bowl washing timing to the stop of the supply of the washing water to the toilet bowl 14 and the interval time Δv. .. In the graphs shown in FIGS. 7A and 7B, the horizontal axis shows the time, the graph G31 shows the water discharge time of the wash water in the toilet bowl washing operation, and the graph G32 shows the water discharge time in the hand wash water discharge operation.

As described above, in the toilet system 1 of the present embodiment, regardless of the washing mode of the large washing and the small washing, a configuration in which the toilet bowl washing timing is earlier than the hand washing water discharge timing is appropriately adopted. In such a configuration, the length of the hand wash spouting start time Δt is not particularly limited.

Regarding the usage mode of the toilet system 1 according to the present embodiment having the above configuration, a series of operations of the toilet system 1 based on the operation of the user will be described with reference to the flow charts shown in FIGS. 8 and 9. ..

First, the case of the first usage mode will be described with reference to FIG. In the first usage mode, the user sits on the toilet seat 18 and adds extra work, and a large cleaning is performed as a cleaning operation of the toilet bowl 14, and the toilet bowl cleaning operation is an automatic toilet bowl based on the sensor output of the seating detection sensor 23. This is an example of a cleaning operation.

As shown in FIG. 8, the user enters the toilet 2 (S10) and sits on the toilet seat 18 with the toilet lid 19 open (S20). Here, the toilet lid 19 is automatically opened based on the sensor output of the human body detection sensor 22, or is manually opened by the user. In step S20, the seating of the user is detected by the seating detection sensor 23 and detected by the control unit 20.

The user seated on the toilet seat 18 adds the errand (S30), and after finishing the errand, separates from the toilet seat 18 and stands up (S40). Here, the fact that the user has left the seat is detected by the seating detection sensor 23 and detected by the control unit 20.

After the control unit 20 detects that the user has left the seat, cleaning of the toilet bowl 14 is automatically started after a predetermined time has elapsed (S50). That is, the control unit 20 operates the toilet bowl cleaning valve unit 26 in the large cleaning mode to supply the toilet bowl 14 with cleaning water. After the time for discharging the washing water of the toilet bowl washing operation in the case of large washing (see, for example, FIG. 6A, time Δu) has elapsed from the toilet bowl washing timing, the operation control of the toilet bowl washing valve unit 26 by the control unit 20 is performed to the toilet bowl 14. The supply of wash water is stopped, and the wash of the toilet bowl 14 is completed (S60).

On the other hand, the user who left the seat in step S40 puts on clothes (S70), and then hands-washes in the hand-washing section 4. Here, the control unit 20 passes through the water supply valve unit 52 after the hand wash water discharge start time Δt (for example, the time t11 shown in FIG. 6A) elapses from the toilet bowl cleaning timing of the toilet bowl cleaning operation in the large cleaning mode. The water state is set, and hand washing water discharge by the hand washing faucet 41 is started (S80). That is, the hand wash water discharge timing based on the toilet bowl wash timing comes. After that, after the water discharge time of the hand wash water discharge operation (see, for example, FIG. 5, time Δs) elapses from the hand wash water discharge timing, the control unit 20 puts the water supply valve unit 52 in a water stop state and stops the hand wash water discharge by the hand wash faucet 41. (S90). The user who has finished hand-washing by the hand-washing section 4 leaves the toilet 2 (S100).

Next, the case of the second usage mode will be described with reference to FIG. In the second usage mode, the user does not sit on the toilet seat 18 but adds urine (pisses), and a small wash is performed as a cleaning operation of the toilet bowl 14, and the toilet bowl cleaning operation is a small operation of the remote control 21 by the user. This is an example of a toilet bowl cleaning operation based on the operation of the cleaning button 28b.

As shown in FIG. 9, the user enters the toilet 2 (S110), and with the toilet lid 19 open, he / she adds his / her work (S120). Here, the toilet lid 19 is automatically opened based on the sensor output of the human body detection sensor 22, or is manually opened by the user.

The user who has finished the work puts on clothes (S130), and then presses the small cleaning button 28b of the remote controller 21 as a cleaning switch (S140). When the small wash button 28b is pressed, the wash of the toilet bowl 14 is started (S150). That is, the control unit 20 operates the toilet bowl cleaning valve unit 26 in the small cleaning mode to supply the toilet bowl 14 with cleaning water. After the time for discharging the washing water of the toilet bowl washing operation in the case of small washing from the toilet bowl washing timing (see, for example, FIG. 6B, time Δu) has elapsed, the operation control of the toilet bowl washing valve unit 26 by the control unit 20 causes the toilet bowl 14 to be operated. The supply of wash water is stopped, and the wash of the toilet bowl 14 is completed (S160).

On the other hand, the user who presses the small wash button 28b in step S140 performs hand washing in the hand wash section 4. Here, the control unit 20 sets the water supply valve unit 52 to be in a water flow state at the same time as the toilet bowl cleaning timing of the toilet bowl cleaning operation in the small cleaning mode, or after a predetermined hand washing water discharge start time Δt shorter than that in the case of the large cleaning. The hand wash spouting by the hand wash faucet 41 is started (S170). After that, after the water discharge time of the hand wash water discharge operation (see, for example, FIG. 5, time Δs) elapses from the hand wash water discharge timing, the control unit 20 puts the water supply valve unit 52 in a water stop state and stops the hand wash water discharge by the hand wash faucet 41. (S180). The user who has finished hand-washing by the hand-washing section 4 leaves the toilet 2 (S190).

According to the toilet system 1 according to the present embodiment having the above-described configuration, in a configuration in which water is discharged from the hand-washing faucet 41 based on the operation of the toilet bowl device 3, it corresponds to different hand-washing timings depending on the user and the like. It is possible to reduce waste water and perform a good hand-washing operation without increasing the number of parts and the cost of the hand-washing faucet 41.

In the toilet system 1 according to the present embodiment, the timing of starting water discharge from the hand wash faucet 41 can be changed based on the washing operation of the toilet bowl 14. That is, the toilet system 1 is configured so that the hand wash water discharge start time Δt, which is the time from the toilet bowl wash timing to the hand wash water discharge timing, can be changed.

With such a configuration, it is possible to adjust the hand-washing water discharge timing based on the washing operation of the toilet bowl 14 to a desired timing in which the user wants to wash the hand. As a result, a situation may occur in which the hand washing cannot be performed in time for the water spouting from the hand washing faucet 41, conversely, the time to wait for the water spouting from the hand washing faucet 41 becomes long, or the water spouting for hand washing flows wastefully. Can be suppressed.

That is, the user who takes a long time to wear clothes can set the hand-washing water discharge timing relatively late, and the user who does not need much time to wear clothes can set the hand-washing water discharge timing relatively early. Hand washing can be reliably performed according to the water spouting from the hand washing faucet 41. Therefore, for example, it is not necessary to lengthen the water discharge time from the hand wash faucet 41 more than necessary in order to meet the usage conditions and preferences of a plurality of users, waste water can be suppressed, and water can be saved. It will be possible.

In addition, the hand wash faucet 41 does not use an automatic faucet that detects the user's hand by a sensor such as an infrared sensor and automatically discharges water, and performs a water discharge operation according to the user's operation in the toilet 2. It becomes possible to do. Therefore, it is possible to prevent or suppress an increase in the number of parts and costs and a complicated structure of the device configuration forming the hand wash faucet 41.

Further, in the toilet system 1 according to the present embodiment, the control unit 20 is configured so that the hand wash water discharge timing can be set as a plurality of switchable patterns.

According to such a configuration, since a plurality of users can individually set the hand wash water discharge timing, the hand wash unit 4 can be used by the plurality of users at the hand wash water discharge timing that suits their own taste. .. As a result, the usability of the hand washing unit 4 can be improved, and the water discharged from the hand washing faucet 41 can be efficiently used.

Further, in the toilet system 1 according to the present embodiment, the control unit 20 has a plurality of washing modes as a control mode for the washing operation of the toilet bowl 14, and is configured to change the hand washing water discharge timing depending on the washing mode.

According to such a configuration, the hand wash water discharge timing can be changed according to the wash mode of the toilet bowl 14, and therefore, water discharge from the hand wash faucet 41 at an appropriate timing according to the usage status of the toilet bowl device 3 by the user. It can be performed. As a result, the spouting water for hand washing can be efficiently used, and the hand washing unit 4 enables a smooth hand washing operation.

Further, in the present embodiment, the control unit 20 has a large cleaning mode and a small cleaning mode as cleaning modes, and when the large cleaning in the large cleaning mode is performed, the hand washing is performed as compared with the case where the small cleaning is performed in the small cleaning mode. It has a configuration that delays the water discharge timing.

According to such a configuration, the timing of hand-washing water discharge can be changed according to the washing mode of large washing and small washing. Therefore, for example, the time required for clothing after stool, the presence or absence of sitting on the toilet seat 18, etc. can be used. Water can be discharged from the hand wash faucet 41 at an appropriate timing according to the detailed usage situation of the toilet bowl device 3 by a person. As a result, efficient use of water spouting for hand washing and smooth hand washing operation by the hand washing unit 4 can be effectively achieved.

Further, in the toilet system 1 according to the present embodiment, the control unit 20 includes a configuration in which the cleaning operation of the toilet bowl 14 is started before the hand-washing water discharge timing.

According to such a configuration, it is possible to wash the hands by the hand washing unit 4 in the situation after the washing of the excrement in the toilet bowl 14 is started and then the excrement is washed away from the toilet bowl 14. It becomes. That is, it is possible to avoid a situation in which the user is hand-washed by the hand-washing unit 4 with the excrement remaining in the toilet bowl 14. As a result, the user can wash his / her hands in a state of emotional cleanliness, and the usability of the toilet 2 can be improved.

In particular, in a configuration in which the toilet bowl cleaning timing comes before the hand-washing water discharge timing, the hand-washing water discharge timing is the end timing of the toilet bowl cleaning operation from the viewpoint of ensuring the water pressure for each of the toilet bowl washing water and the hand-washing water discharge. It is preferable that it is at the same time as or after the end timing. That is, it is preferable that the hand-washing water discharge timing is after the lapse of the flush water discharge time (for example, see FIG. 6A, time Δu) of the toilet bowl cleaning operation from the toilet bowl cleaning timing. Note that FIG. 7A shows a case where the hand wash water discharge timing coincides with the end timing of the toilet bowl washing operation, and FIG. 7B shows a case where the hand wash water discharge timing is later than the end timing of the toilet bowl washing operation.

With such a configuration, the supply of the wash water to the toilet bowl 14 and the water discharge from the hand wash faucet 41 can be separated in time, and the situation where these are performed at the same time can be avoided. As a result, water is supplied to the toilet bowl 14 in a configuration in which water is supplied to the toilet bowl device 3 and the hand wash portion 4 by the water supply pipe branched from the branch faucet 8, that is, the toilet bowl device water supply pipe 9 and the hand wash portion water supply pipe 10. It is possible to prevent the pressure of the wash water and the water discharged from the hand wash faucet 41 from decreasing and the momentum of the water from weakening.

The toilet system according to the present invention described using the embodiments as described above is not limited to the above-described embodiments, and various aspects that will be clarified by those skilled in the art from this disclosure within the scope of the gist of the present invention. Can be adopted.

In the above-described embodiment, the water supply valve unit 52 of the hand washing unit 4 is controlled by the control unit 20 provided in the casing 17 in the sanitary cleaning device 15, but the control unit according to the present invention has such a configuration. It is not limited. As the configuration of the control unit according to the present invention, for example, the control device for controlling the water supply valve unit 52 may be provided as a device separate from the control device of the sanitary cleaning device 15.

Specifically, in the configuration of the control unit according to the present invention, for example, the control device included in the sanitary cleaning device 15 is the main control device, and the sub control device that controls the water supply valve unit 52 is the main control device. May be separately provided in the hand washing unit 4. In such a configuration, the sub control device is connected to the main control device and the water supply valve unit 52, and is provided in the hand wash unit 4, for example, in the cabinet 43.

1 Toilet system 3 Toilet bowl device 4 Hand wash part 8 Branch faucet 9 Water supply pipe for toilet bowl device 10 Water supply pipe for hand wash part 14 Toilet bowl 15 Sanitary cleaning device 20 Control unit 21 Remote control 23 Seating detection sensor 26 Toilet bowl cleaning valve unit 28 Toilet bowl cleaning button 41 Hand wash faucet (water spout)
52 Water supply valve unit 60 User button

Claims (5)

A toilet system that cleans the toilet bowl
A water spout for hand washing and
A control unit for controlling the cleaning operation of the toilet bowl and controlling water discharge from the water discharge unit is provided.
The control unit controls the water discharge stop of the water discharge unit based on the cleaning operation of the toilet bowl.
A toilet system characterized in that the timing at which water discharge from the water discharge unit is started by control by the control unit can be changed. The toilet system according to claim 1, wherein the control unit is configured so that the timing for starting water discharge from the water discharge unit can be set as a plurality of switchable patterns. Claim 1 or claim, wherein the control unit has a plurality of cleaning modes as a control mode for the cleaning operation of the toilet bowl, and the timing for starting water discharge from the water discharge unit is changed according to the cleaning mode. Item 2. The toilet system according to item 2. The control unit
The cleaning mode includes a large cleaning mode and a small cleaning mode in which the toilet bowl is cleaned with a smaller amount of cleaning water than the large cleaning mode.
The claim is characterized in that when the cleaning operation of the toilet bowl is performed in the large cleaning mode, the timing of starting water discharge from the water discharge portion is delayed as compared with the case where the cleaning operation of the toilet bowl is performed in the small cleaning mode. The toilet system according to 3. The toilet system according to any one of claims 1 to 4, wherein the control unit starts the cleaning operation of the toilet bowl before the timing of starting the water discharge from the water discharge unit.

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