WO2016189814A1 - Dispositif de nettoyage hygiénique - Google Patents

Dispositif de nettoyage hygiénique Download PDF

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Publication number
WO2016189814A1
WO2016189814A1 PCT/JP2016/002325 JP2016002325W WO2016189814A1 WO 2016189814 A1 WO2016189814 A1 WO 2016189814A1 JP 2016002325 W JP2016002325 W JP 2016002325W WO 2016189814 A1 WO2016189814 A1 WO 2016189814A1
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WO
WIPO (PCT)
Prior art keywords
cleaning
water
nozzle
toilet
spray nozzle
Prior art date
Application number
PCT/JP2016/002325
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English (en)
Japanese (ja)
Inventor
健治 松井
喬行 里井
Original Assignee
パナソニックＩｐマネジメント株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to EP16799529.9A priority Critical patent/EP3299526B1/fr
Priority to CN201680028614.8A priority patent/CN107614808B/zh
Priority to ES16799529T priority patent/ES2816048T3/es
Priority to JP2017520218A priority patent/JP6754951B2/ja
Publication of WO2016189814A1 publication Critical patent/WO2016189814A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/002—Automatic cleaning devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/005—Devices adding disinfecting or deodorising agents to the bowl
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting

Definitions

  • the present invention relates to a sanitary washing device for washing a local part of a human body.
  • this type of sanitary washing apparatus projects the washing nozzle from the storage position to the buttocks washing position or the bidet washing position. Then, cleaning water is discharged from the discharge port of the cleaning nozzle. Thereby, the structure which wash
  • a sanitary washing apparatus having a spray nozzle that injects foam onto the inner surface of the toilet before defecation and forms a foam film on the inner surface of the toilet is proposed separately from the washing nozzle that cleans the local part of the human body (for example, , See Patent Document 1).
  • the sanitary washing device of Patent Document 1 automatically injects bubbles from the spray nozzle when detecting the seating of a person by the detection unit. Thereby, a foam film is formed on the inner surface of the toilet before defecation to prevent the adhesion of the inner surface of the toilet.
  • the present invention provides a sanitary washing device that suppresses the adhesion of dirt by forming a foam film from the front of the toilet to the inner surface of the back.
  • the sanitary washing device of the present invention includes a toilet seat installed in a toilet bowl, a body that supports the toilet seat in a tiltable manner, a heat exchanger that heats washing water, and a washing nozzle that cleans the human body. And a foam generating section for generating cleaning foam and a spray nozzle for discharging cleaning water or cleaning foam to the inner surface of the toilet. Furthermore, a water discharge amount variable unit that varies the flow rate of the washing water delivered to the spray nozzle, a spray nozzle drive unit that rotationally drives the direction of the discharge port of the spray nozzle, an open / close valve that opens and closes the water channel to the spray nozzle, and control And an operation unit. And a control part controls a spraying nozzle so that a washing bubble may be sprayed to the area
  • the control unit has a high area on the inner surface of the toilet bowl and a plurality of lower areas.
  • the spray nozzle is controlled so that it sprays almost all around.
  • FIG. 1 is a perspective view of a state in which a sanitary washing device according to an embodiment of the present invention is installed in a toilet bowl.
  • FIG. 2 is a perspective view of the sanitary washing device with the front body case removed.
  • FIG. 3 is a perspective view of the sanitary washing device with a front main body case and a control unit removed.
  • FIG. 4 is a perspective view showing an upper surface of the operation unit of the sanitary washing device.
  • FIG. 5 is a perspective view showing the external appearance of the remote controller.
  • FIG. 6 is a schematic diagram showing a configuration of a water circuit of a cleaning unit of the sanitary cleaning device.
  • FIG. 7 is a perspective view showing an exploded state of the water circuit of the sanitary washing device.
  • FIG. 1 is a perspective view of a state in which a sanitary washing device according to an embodiment of the present invention is installed in a toilet bowl.
  • FIG. 2 is a perspective view of the sanitary washing device with the front body case removed.
  • FIG. 8 is a perspective view showing an assembled state of the water circuit of the sanitary washing device.
  • FIG. 9 is a perspective view showing an appearance of a sub tank of the water circuit.
  • FIG. 10 is a cross-sectional view of the sub tank as viewed from the front.
  • FIG. 11 is a cross-sectional view of the sub tank in a side view.
  • FIG. 12 is a perspective view showing an appearance of a heat exchanger of the water circuit.
  • FIG. 13 is a cross-sectional view of the heat exchanger.
  • FIG. 14 is a perspective view showing an appearance of a water pump of the water circuit.
  • FIG. 15 is a sectional view of the water pump.
  • FIG. 16 is a perspective view showing an external appearance of the storage state of the nozzle device of the sanitary washing device.
  • FIG. 17 is a cross-sectional view taken along line 17-17 shown in FIG.
  • FIG. 18 is a vertical cross-sectional view of the nozzle device in the housed state.
  • 19 is a detailed cross-sectional view of a portion B shown in FIG. 20 is a cross-sectional view taken along line 20-20 shown in FIG.
  • FIG. 21 is a cross-sectional view of the stored state of the nozzle device.
  • 22 is a detailed cross-sectional view of a portion C shown in FIG.
  • FIG. 23 is a vertical cross-sectional view showing a state of cleaning the bottom of the nozzle device.
  • 24 is a detailed cross-sectional view of a portion D shown in FIG.
  • FIG. 25 is a longitudinal sectional view showing a bidet cleaning state of the nozzle device.
  • FIG. 26 is a detailed cross-sectional view of a portion E shown in FIG.
  • FIG. 27 is a cross-sectional view showing a bidet cleaning state of the nozzle device.
  • 28 is a detailed cross-sectional view of a portion F shown in FIG.
  • FIG. 29 is a timing chart of the cleaning unit during the initial use of the sanitary cleaning device.
  • FIG. 30 is a timing chart of the cleaning unit during normal use of the sanitary cleaning device.
  • FIG. 31 is a perspective view showing an appearance of a spray nozzle of the sanitary washing device.
  • FIG. 32 is a longitudinal sectional view of the spray nozzle.
  • FIG. 33 is a plan view showing the installation position of the spray nozzle and the rotation angle of the discharge port of the spray nozzle in the sanitary washing device.
  • FIG. 33 is a plan view showing the installation position of the spray nozzle and the rotation angle of the discharge port of the spray nozzle in the sanitary washing device.
  • FIG. 34 is a chart showing the pump output at the rotation angle of the discharge port of the spray nozzle.
  • FIG. 35A is a chart showing a pump output at the time of a discharge operation to the inner surface of the toilet using the spray nozzle.
  • FIG. 35B is an explanatory diagram showing a discharge operation onto the inner surface of the toilet bowl by the spray nozzle.
  • FIG. 36A is a chart showing a pump output at the time of a discharge operation to the inner surface of the toilet using the spray nozzle.
  • FIG. 36B is an explanatory diagram showing a discharge operation onto the toilet inner surface by the spray nozzle.
  • FIG. 1 is a perspective view of a sanitary washing device according to an embodiment of the present invention installed on a toilet bowl.
  • FIG. 2 is a perspective view of the sanitary washing device with the front main body case removed.
  • FIG. 3 is a perspective view of a state where the front main body case and the control unit of the main body of the sanitary washing device are removed.
  • FIG. 4 is a perspective view of the upper surface of the operation unit of the sanitary washing device.
  • FIG. 5 is a perspective view showing the external appearance of the remote controller.
  • the sanitary washing device 100 includes at least a main body 200, a toilet seat 300, a toilet lid 320, a remote controller 400, a human body detection sensor 450, and the like as main components.
  • the main body 200, the toilet seat 300, and the toilet lid 320 are integrally formed and are installed on the upper surface of the toilet 110.
  • each component is arranged with the installation side of the main body 200 of the sanitary washing device 100 as the rear, the installation side of the toilet seat 300 as the front, the right side toward the front as the right side, and the left side as the front side as the left side. Will be explained.
  • the operation unit 210 protrudes from the right side of the main body 200 and is provided integrally.
  • the toilet seat toilet lid rotation mechanism 360 is provided on the front side of the main body 200, and drives the toilet seat 300 and the toilet lid 320 to be freely opened and closed.
  • the toilet seat toilet lid rotation mechanism 360 includes, for example, a DC motor and a plurality of gears, and opens or closes the toilet seat 300 and the toilet lid 320 individually or simultaneously.
  • the toilet lid 320 when the toilet lid 320 is opened, the toilet lid 320 stands up so as to be positioned at the rearmost part of the sanitary washing device 100. On the other hand, when the toilet lid 320 is closed, the toilet lid 320 hides the upper surface of the toilet seat 300.
  • the toilet lid 320 is formed of a member made of a resin material such as PP (polypropylene) or ABS (acrylonitrile / butadiene / styrene), and has a double structure and a heat insulating structure using a heat insulating material.
  • PP polypropylene
  • ABS acrylonitrile / butadiene / styrene
  • the toilet seat 300 includes a toilet seat heater (not shown) for heating the seating surface.
  • the toilet seat heater heats the seating surface of the toilet seat 300 to a comfortable temperature.
  • the seating sensor 330 is disposed in a bearing portion in the main body 200 that supports the rotation shaft of the toilet seat 300, and constitutes a seating detection unit that detects a human body seated on the toilet seat 300.
  • the seating sensor 330 is constituted by a weight type sensor, for example, and opens and closes a switch by a weight change caused by a user sitting on the toilet seat 300. Thereby, the seating sensor 330 detects whether or not the user is seated on the seating surface of the toilet seat 300.
  • the main body 200 includes a sub tank 600, a heat exchanger 700, a cleaning unit 500 including a nozzle device 800, a spray nozzle 550, a deodorizing device 120, a control unit 130, and the like.
  • the nozzle device 800 includes, for example, a buttocks cleaning nozzle 831 that is a cleaning nozzle for cleaning a local part of the human body.
  • the spray nozzle 550 sprays cleaning water or cleaning foam on the inner surface of the toilet.
  • the deodorizing device 120 deodorizes the odor at the time of defecation.
  • the control unit 130 controls each function of the sanitary washing device 100.
  • the buttocks cleaning nozzle 831 may be described as an example of the cleaning nozzle.
  • the nozzle device 800 which is the main component of the cleaning unit 500, is installed at the center inside the main body 200.
  • a spray nozzle 550 is installed on the right side of the nozzle device 800 and at a position in front of the main body 200 that is placed and fixedly mounted on the toilet 110.
  • a deodorizing device 120 is installed on the left side of the nozzle device 800.
  • a toilet seat toilet lid rotation mechanism 360 that opens and closes the toilet seat 300 and the toilet lid 320 is installed.
  • a water stop electromagnetic valve 514, a relief valve 515, a sub tank 600, and the like of the cleaning unit 500 are further installed in front.
  • a heat exchanger 700 is installed behind the nozzle device 800. Behind the heat exchanger 700, a water pump 516 constituting a water discharge amount variable unit is installed.
  • the controller 130 is installed above the cleaning unit 500.
  • the operation unit 210 is provided with a plurality of switches and indicator lamps 240 for operating and setting each function of the sanitary washing device 100.
  • An operation board (not shown) is installed inside the operation unit 210.
  • a plurality of tact switches (not shown) and a plurality of LEDs (light emitting diodes) are installed. Then, the tact switch pressing operation and the LED can be visually recognized through the switch nameplate attached to the upper surface of the operation unit 210.
  • the operation unit 210 includes an infrared receiving unit 211 at the rear of the upper surface.
  • the infrared receiving unit 211 receives infrared signals transmitted from the remote controller 400 and the human body detection sensor 450 shown in FIG.
  • the switches of the operation unit 210 include a plurality of operation switches 220 that operate the cleaning operation, a plurality of setting switches 230 that set various functions, and the like.
  • the indicator lamp 240 is comprised from several LED, and displays the setting state of the main body 200. FIG.
  • the operation switch 220 of the operation unit 210 includes, for example, a buttocks cleaning switch 221 and a nozzle cleaning switch 222.
  • the buttocks cleaning switch 221 is used as an auxiliary when the remote controller 400 runs out of battery or malfunctions.
  • the nozzle cleaning switch 222 is operated when cleaning the nozzle to clean the nozzle.
  • the setting switch 230 of the operation unit 210 includes, for example, a hot water temperature switch 231, a toilet seat temperature switch 232, an 8-hour switch 233, a power saving switch 234, a toilet lid automatic opening / closing switch 235, and the like.
  • Each switch performs the following operations by the pressing operation of the user.
  • the hot water temperature switch 231 sets the temperature of the washing water.
  • the toilet seat temperature switch 232 sets the temperature of the toilet seat 300.
  • the power saving switch 234 automatically learns the time period when the sanitary washing device 100 is not used, and reduces the heat retention temperature of the toilet seat 300 during the time period when it is not used to save power.
  • the toilet lid automatic opening / closing switch 235 sets an automatic opening / closing operation of the toilet seat 300 and the toilet lid 320.
  • the remote controller 400 configured separately from the main body 200. Therefore, the remote controller 400 is attached to a wall surface of a toilet room that is easy for a user who is seated on the toilet seat 300 to operate.
  • the overall shape of the remote controller 400 is formed as a thin rectangular parallelepiped as shown in FIG.
  • the remote controller 400 includes a plurality of switches and indicator lights on an upper surface and a front surface of a box-shaped remote control main body 401 molded from a resin material such as PP (polypropylene) or ABS.
  • a transmission unit 402 that transmits an operation signal of the remote controller 400 to the main body 200 by infrared rays is arranged.
  • a control board constituting a control function of the remote controller 400, a battery (not shown) which is a power source of the remote controller 400, and the like are incorporated.
  • a butt cleaning switch 410 a butt cleaning switch 410, a bidet cleaning switch 411, a stop switch 412, a move cleaning switch 413, a rhythm cleaning switch 414, and the like are disposed in the center of the front surface of the remote control body 401.
  • Each switch performs the following operations by the user's pressing operation.
  • the butt cleaning switch 410 starts butt cleaning.
  • the bidet washing switch 411 starts bidet washing for washing the female local washing.
  • the stop switch 412 stops the buttocks cleaning and the bidet cleaning.
  • the move cleaning switch 413 is capable of cleaning a wide range by periodically moving the cleaning position back and forth during buttocks cleaning and bidet cleaning.
  • the rhythm cleaning switch 414 performs cleaning by periodically changing the cleaning strength during butt cleaning.
  • a cleaning strength switch 415 adjusts the cleaning strength at the time of buttocks cleaning and bidet cleaning with two switches.
  • the cleaning position switch 416 adjusts the cleaning position at the time of buttocks cleaning and bidet cleaning with two switches.
  • the spray switch 417 discharges cleaning water or cleaning foam from the spray nozzle 550 and sprays it on the inner surface of the toilet bowl or the surface of the cleaning nozzle.
  • an LED strength indicator lamp 421 that displays the cleaning strength in, for example, five levels is arranged above the cleaning strength switch 415. Further, above the cleaning position switch 416, a position indicator lamp 422 for displaying the cleaning position in, for example, five levels is arranged above the cleaning position switch 416.
  • a toilet lid switch 418 that electrically opens and closes the toilet lid 320 and a toilet seat switch 419 that electrically opens and closes the toilet seat 300 are installed on the upper surface of the remote control main body 401. And it is comprised so that a user can open and close the toilet seat 300 and the toilet lid 320 arbitrarily by operation of each switch.
  • the open state of the toilet seat 300 is a state in which the toilet seat 300 is set up substantially vertically (including vertical) as in, for example, a male urine.
  • the closed state of the toilet seat 300 is a state in which the toilet seat 300 is approximately parallel (including parallel) to the upper heel surface of the toilet bowl 110.
  • the open or closed state of the toilet seat 300 is detected by a signal from the toilet seat opening / closing sensor 331 that is a toilet seat opening / closing detection unit.
  • the human body detection sensor 450 shown in FIG. 1 is configured separately from the main body 200, and is attached to, for example, a wall surface of a toilet room.
  • the human body detection sensor 450 includes, for example, a pyroelectric sensor, a sensor control unit, an infrared transmission unit, a battery that is a power source of the human body detection sensor 450, and the like (not shown).
  • the pyroelectric sensor receives infrared rays emitted from the human body.
  • the sensor control unit detects a human body with a signal from the pyroelectric sensor.
  • the infrared transmission unit transmits a human body detection signal from the sensor control unit to the control unit of the main body 200 using infrared rays.
  • the sanitary washing device 100 of the present embodiment is configured.
  • FIG. 6 is a schematic diagram showing the configuration of the water circuit of the sanitary washing apparatus.
  • cleaning part 500 shown in FIG. 6 is incorporated in the main body 200, and wash
  • the cleaning unit 500 constituting the water circuit includes at least a nozzle device 800 that ejects cleaning water, and a series of cleaning water supply channels 690 that supply cleaning water to the nozzle device 800 from the water supply connection port 510. Etc.
  • the cleaning water supply flow path 690 includes a water supply connection port 510, a strainer 511, a check valve 512, a constant flow valve 513, a water stop electromagnetic valve 514, a relief valve 515, a sub tank 600, a heat exchanger 700, a buffer tank 750, a discharge.
  • a water pump 516, a flow control valve 517, and the like constituting the water amount variable unit are sequentially installed.
  • the cleaning water supply channel 690 is connected to the nozzle device 800.
  • the water supply connection port 510 is disposed on the lower right side of the main body 200 and is connected to, for example, an external water pipe.
  • the strainer 511 is disposed inside the water supply connection port 510, and prevents inflow of dust contained in the tap water.
  • the check valve 512 prevents the water stored in the sub tank 600 from flowing back into the water pipe.
  • the constant flow valve 513 is disposed downstream of the check valve 512 and keeps the amount of cleaning water flowing through the cleaning water supply channel 690 constant.
  • the water stop electromagnetic valve 514 electrically opens and closes the cleaning water supply channel 690 based on the signal from the control unit 130.
  • the constant flow valve 513, the water stop solenoid valve 514, and the relief valve 515 are integrally configured as shown in FIG.
  • the sub tank 600 is disposed downstream of the water stop solenoid valve 514 and includes an atmosphere opening 603.
  • the heat exchanger 700 heats the cleaning water instantly.
  • the buffer tank 750 makes the temperature of the hot water heated by the heat exchanger 700 uniform.
  • the water pump 516 constituting the water discharge amount variable unit is connected downstream of the buffer tank 750.
  • the nozzle device 800 is disposed downstream of the water pump 516 and is connected to the water pump 516 via the flow control valve 517.
  • Each port of the flow control valve 517 is connected to the bottom cleaning nozzle 831, the bidet cleaning nozzle 832, the nozzle cleaning unit 833, and the like of the nozzle device 800.
  • the branch flow path 530 includes an on-off valve 530 a, and is branched between the water pump 516 and the flow control valve 517 in the cleaning water supply flow path 690.
  • the branch flow path 530 connects the cleaning water supply flow path 690 and the foam generation unit 560.
  • the foam generating unit 560 includes a check valve 531, a foam tank 532, a detergent tank 533, a detergent pump 534, an air pump 535, and the like.
  • the branch flow path 530 supplies wash water to the foam tank 532 of the foam generation unit 560 via the check valve 531.
  • the spray nozzle 550 is connected downstream of the foam tank 532 and is rotationally driven by the spray nozzle drive unit 550a.
  • the detergent tank 533 and the detergent pump 534 are connected to the foam tank 532 and supply detergent to the foam tank 532.
  • the air pump 535 sends air to the foam tank 532 supplied with the washing water and the detergent, and in the case of the detergent, produces the washing foam. Then, the generated cleaning foam, cleaning water, and the like are supplied from the foam tank 532 to the spray nozzle 550.
  • the chassis 501 is molded from a resin material such as ABS, and is assembled to the rear body case 201 of the body 200 as shown in FIG.
  • strainer 511 and the check valve 512 are integrated with the water supply connection port 510.
  • the constant flow valve 513 and the relief valve 515 are integrated with the water stop solenoid valve 514.
  • the buffer tank 750 is configured integrally with the heat exchanger 700.
  • the water supply connection port 510 and the water stop solenoid valve 514, the water stop solenoid valve 514 and the sub tank 600, and the sub tank 600 and the heat exchanger 700 are connected to each other through, for example, an O-ring (not shown). Directly) via a packing such as And each member which comprises the said water circuit is installed and fixed to the predetermined position of the chassis 501.
  • the above configuration realizes a watertight structure and improves the arrangement accuracy of the members.
  • the arrangement accuracy between the sub tank 600 and the heat exchanger 700 is improved.
  • the control precision of the flow volume of washing water improves.
  • the performance of the cleaning unit 500 is improved and the flow rate control accuracy is improved.
  • FIG. 14 is a perspective view showing an appearance of a water pump of the water circuit.
  • FIG. 15 is a sectional view of the water pump.
  • the water pump 516 is constituted by a piston pump which is a positive displacement pump whose outer shape is substantially L-shaped (including L-shape), for example.
  • the water pump 516 includes a substantially cylindrical (including a cylindrical) motor unit 516a, a link mechanism unit 516b, a piston unit 516c, and the like.
  • the link mechanism unit 516b converts the rotational motion of the motor into a reciprocating motion.
  • the piston portion 516c is driven by the reciprocating motion of the link mechanism portion 516b, and sucks and drains cleaning water. Therefore, the piston part 516c has a water suction port 516d and a discharge port 516e as connection ports on the outer surface.
  • the vibration generated in the motor unit 516a that is only the rotational motion is less than that of the link mechanism portion 516b and the piston portion 516c that involve reciprocating motion.
  • Specific operation of the water pump 516 is that when the motor unit 516a is first driven, the piston unit 516c starts reciprocating motion. Thereby, the piston part 516c sucks the cleaning water from the water suction port 516d and discharges the cleaning water from the discharge port 516e. At this time, the wash water discharged from the discharge port 516e is discharged in a water flow with an appropriate pulsation as the piston portion 516c reciprocates.
  • the outer periphery of the substantially cylindrical motor unit 516a of the water pump 516 having the above configuration is surrounded by a foamed resin cushioning member (not shown) having elasticity.
  • the motor unit 516a is inserted into a substantially cylindrical (including cylindrical) water pump installation unit 501a provided at the rear of the chassis 501. Thereby, the water pump installation part 501a supports the motor part 516a. At this time, the link mechanism portion 516b and the piston portion 516c are installed in a suspended state so as to hang downward.
  • the water pump installation part 501a is formed of a thin-walled ABS resin or the like, and is formed on the upper part of the rib-like leg part 501b standing from the bottom surface of the chassis 501.
  • the vibration of the water pump 516 can be effectively absorbed by the elasticity of the resin constituting the water pump installation portion 501a.
  • a hot water outlet 712 which is a connection port of the heat exchanger 700 integrally formed with the buffer tank 750 and a water suction port 516d which is a connection port of the water pump 516 are connected to a connection tube 502 made of a soft resin (see FIG. 8). ).
  • the motor unit 516a with less vibration is installed in the water pump installation unit 501a formed with a thin thickness of the chassis 501 via the buffer member.
  • the link mechanism portion 516b and the piston portion 516c that generate a lot of vibrations are suspended and installed in a free state.
  • the piston portion 516c and the like are connected to the buffer tank 750 via a soft resin connection tube 502 (see FIG. 8).
  • the water pump 516 is supported via two different material members, a cushioning member made of foamed resin and an elastic resin forming the water pump installation portion 501a. Therefore, vibrations in a wide range of frequencies can be absorbed. Thereby, transmission of vibration to the main body 200 can be further effectively suppressed.
  • the water circuit of the sanitary washing device 100 of the present embodiment is configured.
  • FIG. 9 is a perspective view showing an appearance of a sub tank of the water circuit.
  • FIG. 10 is a cross-sectional view of the sub tank in the lateral direction.
  • FIG. 11 is a cross-sectional view of the sub tank in the front-rear direction.
  • the sub-tank 600 includes at least a tank main body 610 molded from a resin material such as ABS, a water level detection sensor 620, an incoming water temperature sensor 630, and the like.
  • the water level detection sensor 620 detects the level of the cleaning water stored in the tank body 610.
  • the incoming water temperature sensor 630 is composed of, for example, a thermistor and detects the temperature of the cleaning water supplied into the tank body 610.
  • the tank body 610 includes a front tank 611 that constitutes a front wall, both side walls, a bottom surface, and a top surface of the tank, a rear tank 612 that constitutes a rear wall of the tank, and an open air disposed on the top surface of the tank body 610. It is comprised by three members, such as the part 613.
  • FIG. The overall shape of the tank body 610 is formed by a plurality of planes consisting of a front wall, a rear wall, both side walls, a bottom surface, and a top surface. As shown in FIG. It is formed with a rectangle (including a rectangle).
  • the front wall of the front tank 611 includes an inclined portion that retreats from the middle. That is, as shown in FIG.
  • the tank body 610 is formed in a substantially trapezoidal shape (including a trapezoidal shape) in which the upper part is thinner than the lower part in the shape when viewed from the side. Thereby, the cross-sectional area of the upper part of the tank main body 610 becomes a cross-sectional area smaller than the lower part.
  • a water inlet 601 is provided at the lower part of one side wall of the front tank 611 of the tank body 610, and a water outlet 602 is provided at the lower part of the rear wall of the rear tank 612 of the tank body 610.
  • the atmosphere release unit 613 disposed on the top surface of the tank body 610 includes an atmosphere release port 603 that communicates the inside and the outside of the tank body 610.
  • the air release port 603 discharges air accumulated in the tank body 610 to the outside, and maintains the internal pressure of the tank body 610 at atmospheric pressure at all times.
  • the inside of the sub tank 600 is maintained at atmospheric pressure, and the cleaning water supply flow path 690 from the downstream of the sub tank 600 to the water inlet 516d of the water pump 516 is also maintained at atmospheric pressure. Therefore, the water pump 516 can supply cleaning water to the nozzle device 800 without being affected by fluctuations in water pressure such as supplied tap water. As a result, the water pump 516 can exhibit a stable pump function.
  • the flow path 613b that communicates with the atmosphere opening port 603 of the atmosphere opening section 613 in the water pump 516 has a buffer section 613a having a large cross-sectional area of a part of the channel 613b.
  • the buffer unit 613a temporarily stores the cleaning water when, for example, the cleaning water is about to flow out from the atmosphere opening port 603 with bubbles. Thereby, it is suppressed that washing water flows out from the atmosphere opening 603.
  • the inside of the tank body 610 has a partition wall 614.
  • the partition wall 614 divides the interior of the tank body 610 into two tanks, a water tank 615 and a storage tank 616.
  • the tank body 610 includes a water inlet 601 near the bottom of the side surface (front tank 611) of the water tank 615, and a water outlet 602 near the bottom of the rear wall (rear tank 612) of the storage tank 616.
  • the water tank 615 and the storage tank 616 are formed by the partition wall 614. Thereby, when air is contained in the wash water flowing in from the water inlet 601, the air passes through the atmosphere opening 603 from the upper part of the water inlet 615 and is discharged to the outside. Therefore, only cleaning water that does not contain air can be allowed to flow into the storage tank 616.
  • a barrier 617 interposed between the upper surface opening 615a of the water tank 615 and the atmosphere opening part 613 is provided above the water tank 615 of the tank body 610 in a substantially horizontal direction (from the side wall of the front tank 611 of the tank body 610). (Including the horizontal direction).
  • the barrier 617 has a size that covers the entire upper surface opening 615 a of the water tank 615.
  • the water tank 615 includes a plurality of rectifying ribs 618 inside.
  • the rectifying ribs 618 are provided on the side wall and the partition wall 614 of the front tank 611 of the tank body 610 so as to protrude alternately in a substantially horizontal direction (including the horizontal direction).
  • the wash water that has flowed from the water inlet 601 of the sub tank 600 first flows into the lower portion of the water tank 615.
  • the wash water that has flowed up rises in the water inlet tank 615 while changing the flow direction at the rectifying rib 618.
  • the flow straightening rib 618 rectifies the flow appropriately.
  • the rectifying rib 618 generates a vortex on the downstream side of the rectifying rib 618 and separates air contained in the cleaning water by the vortex.
  • the cleaning water that has risen in the water tank 615 and separated from the air passes over the upper end of the partition wall 614 and flows into the storage tank 616 to be stored. At this time, even if the pressure of the cleaning water flowing in from the water inlet 601 is high or the flow is significantly disturbed including a large amount of air, the cleaning water is directed upward (to the atmosphere opening portion 613 side) by the barrier 617. Flow is suppressed. That is, the barrier 617 prevents the washing water from directly flowing into the atmosphere opening portion 613 and flowing out of the sub tank 600 from the atmosphere opening port 603.
  • the cleaning water that has flowed from the water inlet 601 of the sub tank 600 is separated from the air included in the cleaning water by the rectifying ribs 618 and the like while rising in the water inlet tank 615.
  • the separated air is discharged out of the tank body 610 through the atmosphere opening 603.
  • cleaning water that does not contain air is stored in the storage tank 616, and the cleaning water is supplied to the heat exchanger 700 from the outlet 602 of the sub tank 600.
  • the sub tank 600 is provided with a partition wall 614 inside to separate the air from the cleaning water and prevent air from entering. Then, only cleaning water is supplied to the heat exchanger 700. Thereby, damage to the heat exchanger 700 is effectively prevented.
  • the sub tank 600 includes a common electrode 621 that is formed of a stainless material and serves as a common electrode, and a plurality of water level electrodes 622 that are installed for each water level.
  • a water level detection sensor 620 is provided.
  • this embodiment an example in which one common electrode 621 and two water level electrodes 622 are configured is shown, but the present invention is not limited to this.
  • the common electrode 621 is disposed on the inner surface of the lower part of the front wall of the tank body 610.
  • the water level electrode 622 is disposed on the inner surface of the rear wall of the tank body 610. Further, the water level electrode 622 includes an upper limit electrode 623 provided at the upper portion and a lower limit electrode 624 provided at the lower portion.
  • the common electrode 621 is disposed at a position lower than the lower limit electrode 624 of the water level electrode 622 and at a position where the common electrode 621 is always immersed in the cleaning water in a normal use state.
  • the common electrode 621 and the upper limit electrode 623 and the lower limit electrode 624 which are the water level electrodes 622 are installed on different surfaces. Thereby, it can suppress that the residual water adhering to the inner surface of the tank main body 610 is erroneously detected as stored water.
  • a DC voltage is applied between the common electrode 621 and the water level electrode 622. Then, whether or not the water level electrode 622 is immersed in the washing water is detected by a change in voltage. Thereby, the water level of the cleaning water in the tank body 610 is detected. That is, when the water level of the storage tank 616 rises, the lower limit electrode 624 and the upper limit electrode 623 are submerged. At this time, the voltage between the common electrode 621, the lower limit electrode 624, and the upper limit electrode 623 decreases. Thereby, the control part 130 detects the water level of a wash water from the fall of a voltage.
  • the upper limit electrode 623 of the water level electrode 622 is used for detecting the upper limit water level
  • the lower limit electrode 624 is used for detecting the lower limit water level. Therefore, the upper limit electrode 623 is installed at a position lower than the atmosphere opening 603. This prevents the wash water from flowing out from the atmosphere opening 603.
  • the lower limit electrode 624 is installed above the water outlet 602 that flows to the heat exchanger 700. Thereby, air can be prevented from flowing into the heat exchanger 700.
  • the sub tank 600 of the present embodiment is configured.
  • FIG. 12 is a perspective view showing the appearance of the heat exchanger of the water circuit.
  • FIG. 13 is a cross-sectional view of the heat exchanger.
  • the heat exchanger 700 of this embodiment is formed integrally with the buffer tank 750, and the buffer tank 750 is installed on the upper part of the heat exchanger 700.
  • the heat exchanger 700 is formed in a substantially rectangular (including rectangular) flat plate shape when viewed from the front (see FIG. 13).
  • the heat exchanger 700 includes at least a casing 701 formed of reinforced ABS resin obtained by compounding glass fiber with ABS resin, a flat plate heater 702 made of ceramic, a hot water discharge member 703, and the like.
  • the casing 701 is composed of a front member 710 that constitutes the front part and a back member 720 that constitutes the rear part.
  • the flat heater 702 is installed in a space formed between the front member 710 and the back member 720.
  • the heating channel 715 is formed by a gap between a facing portion between the front member 710 and the flat heater 702 and a facing portion between the back member 720 and the flat heater 702.
  • the heat exchanger 700 configured as described above heats the cleaning water flowing through the heating flow path 715 instantaneously by the flat heater 702 and raises the temperature.
  • the heat exchanger 700 includes a water inlet 711 that is a connection port on the right side of the front lower end of the front member 710, and a hot water outlet 712 that is a connection port of the hot water outlet member 703 installed at the upper right side of the front member 710. Prepare.
  • a water inlet channel 713 connected to the water inlet 711 is provided over substantially the entire width (including the entire width) of the lower end portion of the casing 701.
  • a plurality of slits 714 are provided on the upper surface of the water inlet channel 713 over the entire width. Then, the cleaning water that has flowed into the incoming water flow path 713 passes through the slit 714 and flows into the heating flow path 715. Note that the slit 714 has a function of allowing the cleaning water to flow evenly over the entire width of the heating flow path 715.
  • a partition rib 716 is provided at the upper end of the heating channel 715, and a buffer tank 750 is provided above the partition rib 716.
  • the partition rib 716 is provided with a plurality of water holes 717 over substantially the entire width (including the entire width). As a result, the wash water heated in the heating channel 715 passes through the water passage hole 717 and flows into the buffer tank 750.
  • projections 718 having a substantially semicircular (including semicircular) cross-sectional shape are provided with an interval extending over substantially the entire width (including the entire width).
  • the protrusion 718 disturbs the flow of the cleaning water flowing in the buffer tank 750 toward the hot water outlet 712. As a result, the cleaning water is mixed and the uneven temperature of the cleaning water is eliminated. As a result, wash water having a uniform temperature is discharged from the hot water outlet 712.
  • Hot water temperature sensor 730 detects the hot water temperature of the wash water.
  • the excessive temperature sensor 731 detects the excessive temperature of the heat exchanger 700. Thereby, the control part 130 controls the temperature of the wash water discharged from the heat exchanger 700.
  • the heat exchanger 700 of the present embodiment is configured.
  • FIG. 16 is a perspective view showing a storage state of the nozzle device in the present embodiment.
  • 17 is a cross-sectional view taken along line 17-17 shown in FIG.
  • FIG. 18 is a longitudinal sectional view showing a storage state of the nozzle device.
  • 19 is a detailed cross-sectional view of a portion B shown in FIG. 20 is a cross-sectional view taken along line 20-20 shown in FIG.
  • FIG. 21 is a cross-sectional view showing a storage state of the nozzle device.
  • 22 is a detailed cross-sectional view of a portion C shown in FIG.
  • FIG. 23 is a longitudinal cross-sectional view showing the bottom cleaning state of the nozzle device.
  • 24 is a detailed cross-sectional view of a portion D shown in FIG. FIG.
  • 25 is a longitudinal sectional view showing a bidet cleaning state of the nozzle device.
  • 26 is a detailed cross-sectional view of a portion E shown in FIG.
  • FIG. 27 is a cross-sectional view of the nozzle portion showing the bidet cleaning state of the nozzle device.
  • 28 is a detailed cross-sectional view of a portion F shown in FIG.
  • the nozzle device 800 includes at least a support portion 810, a nozzle portion 820, a cleaning nozzle driving portion 860, a flow control valve 517, and the like.
  • the support portion 810 is formed in a substantially triangular (including triangular) frame shape in a side view, which is molded from a resin material such as POM (polyoxymethylene) or ABS.
  • the nozzle part 820 moves forward and backward along the support part 810.
  • the cleaning nozzle driving unit 860 drives the nozzle unit 820 to move forward and backward.
  • the flow control valve 517 switches the supply of cleaning water to the nozzle unit 820.
  • the storage direction of the nozzle portion 820 is the rear
  • the advance direction of the nozzle portion 820 is the front
  • the right side is the right side
  • the left side is the left side from the rear to the front. The arrangement of will be described.
  • the support portion 810 has an inclined portion 812 that is lowered from the rear portion toward the front portion with respect to a substantially horizontal (including horizontal) base portion 811, and a vertical side portion that joins the bottom portion 811 and the rear end of the inclined portion 812. 813 is formed in a frame shape.
  • a guide rail 814 that guides the forward and backward movement of the nozzle portion 820 and a rack guide 815 (see FIG. 17) that guides the flexible rack 861 (see FIG. 17) of the cleaning nozzle driving portion 860 are substantially full length (see FIG. (Including the entire length).
  • a substantially cylindrical (including cylindrical) holding portion 816 that supports the nozzle portion 820 so as to surround it is integrally formed.
  • the guide rail 814 for guiding the nozzle portion 820 has a substantially T-shaped cross section (including a T-shape).
  • the rack guide 815 for guiding the flexible rack 861 has a substantially U shape (including a U shape) with one side surface opened in a cross-sectional view, and includes an upper and lower surface and one side surface of the flexible rack 861. It is equipped with the structure which regulates and guides.
  • the rack guide 815 is also formed continuously from the inclined portion 812 to the vertical side portion 813 and the bottom side portion 811 at the rear portion of the support portion 810.
  • the corners of the inclined portion 812 and the vertical side portion 813 of the rack guide 815 and the vertical side portion 813 and the bottom side portion 811 are connected in an arc shape, for example.
  • the cross-sectional shape of the rack guide 815 formed on the vertical side portion 813 and the bottom side portion 811 is also formed in a substantially U shape (including a U shape).
  • the side surface of the rack guide 815 the left side surface is opened at the inclined portion 812, and the opposite right side surface is opened at the vertical side portion 813 and the bottom side portion 811.
  • the sliding resistance can be reduced and the flexible rack 861 can be guided more reliably.
  • the open surfaces of the vertical side portion 813 and the bottom side portion 811 of the rack guide 815 are closed by, for example, a support portion lid of another member.
  • the cleaning nozzle driving unit 860 includes a flexible rack 861 coupled to the nozzle unit 820, a pinion gear 862 that meshes with the flexible rack 861, a drive motor 863 that rotationally drives the pinion gear 862, and the like.
  • the cleaning nozzle driving unit 860 moves the nozzle unit 820 forward and backward along the guide rail 814.
  • the drive motor 863 is constituted by a stepping motor, for example, and the rotation angle is controlled by a pulse signal. Then, the flexible rack 861 is driven via the pinion gear 862 by the rotation of the drive motor 863.
  • a gap is provided between the inner peripheral surface of the holding portion 816 of the support portion 810 and the outer peripheral surface of the nozzle portion 820. Accordingly, the cleaning water ejected from the nozzle unit 820 flows into the gap and cleans the outer peripheral surface of the nozzle unit 820.
  • the nozzle lid 801 is provided in a freely openable and closable manner in front of the holding portion 816, and opens and closes when the nozzle portion 820 advances and retracts. Then, the nozzle lid 801 is closed while the nozzle portion 820 is accommodated. This prevents the nozzle portion 820 from being contaminated with feces or the like.
  • a water supply tube (not shown) connected to the cleaning water supply flow path 690 and a connection tube 802 for supplying cleaning water from the support portion 810 to the flow control valve 517 are connected to the bottom portion 811 of the support portion 810.
  • a water supply joint 817 is provided.
  • the nozzle portion 820 includes at least a rod-like nozzle body 830 molded from a resin material such as ABS, a nozzle cover 840, a connecting portion 850, and the like.
  • the nozzle cover 840 is formed in a cylindrical shape and covers substantially the entire nozzle body 830 (including the entire body).
  • the connecting portion 850 pulls the nozzle cover 840 with the nozzle body 830.
  • the nozzle body 830 of the nozzle unit 820 includes a butt cleaning nozzle 831 for cleaning a local part, a bidet cleaning nozzle 832 for cleaning a female part, a nozzle cleaning part 833 for cleaning the nozzle part 820, and the like. Is provided.
  • the butt cleaning nozzle 831 includes an butt cleaning ejection port 834 that opens upward at the tip of the nozzle body 830, and a butt cleaning ejection port 834 that extends from the rear end of the nozzle body 830.
  • the butt cleaning channel 835 communicates.
  • the buttocks cleaning channel 835 is installed on the lower side of the nozzle body 830 and is provided with a bent portion that bends upward below the buttocks cleaning jet outlet 834.
  • a rectifying plate 835a that rectifies the flow of the cleaning water is installed at the bent portion.
  • the bidet cleaning nozzle 832 communicates with the bidet cleaning jet 836 disposed behind the bottom cleaning jet 834 and the bidet cleaning jet 836 from the rear end of the nozzle body 830.
  • a bidet cleaning flow path 837 is formed.
  • the washing water ejected from the bidet washing ejection port 836 passes through the ejection opening 844 of the nozzle cover 840 and is ejected upward.
  • the nozzle cleaning unit 833 includes a nozzle cleaning ejection port 838 disposed on the side surface of the nozzle body 830 and a nozzle cleaning channel 839 that communicates with the nozzle cleaning ejection port 838 from the rear end of the nozzle body 830. Composed.
  • the washing water ejected from the nozzle cleaning ejection port 838 is ejected into the nozzle cover 840 and discharged from the drain port 845 of the nozzle cover 840 to the outside of the nozzle cover 840.
  • the cleaning water ejected from the nozzle cleaning ejection port 838 is used for cleaning the nozzle portion 820 and its surroundings.
  • the front part of the nozzle part 820 is supported in a state of being inserted into the holding part 816 of the support part 810.
  • the rear part of the nozzle part 820 is slidably installed in a state of being suspended on the guide rail 814.
  • the nozzle unit 820 includes a storage position in which the nozzle unit 820 illustrated in FIG. 16 is stored behind the holding unit 816, a buttocks cleaning position in which the nozzle unit 820 illustrated in FIG. 23 protrudes from the holding unit 816, and FIG. It is configured to be able to advance and retreat between the bidet cleaning positions shown in FIG.
  • the nozzle cover 840 includes a nozzle cover main body 841 and a connecting member 842 as shown in FIG.
  • the nozzle cover main body 841 is formed, for example, by processing a thin stainless steel plate into a cylindrical shape, with the front end surface being a closed surface and the rear end surface being an open surface.
  • the connecting member 842 is formed in a substantially cylindrical shape (including a cylindrical shape) molded from a resin material such as ABS, and includes connecting pieces 843 (see FIG. 22) that engage with the nozzle body 830 on both sides.
  • a nozzle cover stopper (not shown) that restricts the sliding range of the nozzle cover 840 is integrally formed on the right side of the rear end of the connecting member 842.
  • the nozzle cover stopper regulates the sliding range of the nozzle cover 840 by contacting a front stopper receiving portion and a rear stopper receiving portion (not shown) formed on the support portion 810.
  • a part of the connecting member 842 is fixed and integrated in a state of being inserted into the nozzle cover main body 841 through the opening at the rear end of the nozzle cover main body 841.
  • the front upper surface of the nozzle cover main body 841 is provided with, for example, one jet opening 844 that can face the bottom cleaning jet 834 and the bidet cleaning jet 836 of the nozzle main body 830.
  • a drain outlet 845 for discharging the cleaning water that has flowed into the nozzle cover main body 841 to the outside is provided.
  • the inner diameter of the nozzle cover 840 has a dimension slightly larger than the outer diameter of the nozzle body 830. Accordingly, the nozzle body 830 and the nozzle cover 840 are configured to be able to slide smoothly with each other in a state where the nozzle body 830 is inserted into the nozzle cover 840.
  • a flow control valve 517 is installed on the rear end surface of the nozzle body 830. As shown in FIG. 6, the flow control valve 517 includes, for example, a disk-type valve body 517a and a stepping motor 517b that drives a switching operation. The flow control valve 517 selectively supplies cleaning water to the butt cleaning channel 835, the bidet cleaning channel 837, and the nozzle cleaning channel 839 by switching.
  • a water supply port 517c (see FIG. 16) for supplying cleaning water to the flow control valve 517 is installed on the outer surface of the valve body 517a of the flow control valve 517.
  • the water supply port 517c is connected to and communicates with the water supply joint 817 of the support portion 810 via the connection tube 802.
  • connection portion 850 configured by the connection member 842 of the nozzle cover 840 and the connection receiving portion 851 of the nozzle body 830 in the present embodiment will be described with reference to FIGS. 22 and 28.
  • connection receiving portion 851 is formed on the right side of the outer periphery of the rear end portion of the nozzle body 830.
  • the connection receiving portion 851 is formed of two substantially V-shaped (including V-shaped) grooves in the front front recessed portion 851a and the rear rear recessed portion 851b, and is arranged with an interval in the front and rear direction. .
  • the interval between the front recess 851a and the rear recess 851b is set to be equal to the interval between the buttocks cleaning jet 834 and the bidet cleaning jet 836.
  • the connecting member 842 of the nozzle cover 840 is formed of a substantially cylindrical (including cylindrical) resin material such as ABS or POM, and includes connecting pieces 843 protruding rearward on both sides of the rear part.
  • the connecting piece 843 includes a substantially V-shaped (including a V-shaped) connecting protrusion 843a protruding inward at the rear end.
  • connection protrusion 843a of the connection member 842 of the nozzle cover 840 is constantly pressed against the connection receiving portion 851 of the nozzle body 830 by elasticity.
  • the connection protrusion 843a is engaged with either the front recess 851a or the rear recess 851b, the nozzle body 830 and the nozzle cover 840 are connected.
  • the nozzle cover 840 can be pulled and moved by the nozzle body 830.
  • the nozzle device 800 of the present embodiment is configured.
  • the wash water supplied to the sub tank 600 is stored in the sub tank 600 and also supplied to the heat exchanger 700 and the water pump 516 constituting the water discharge amount variable unit.
  • the control unit 130 drives the water pump 516 to supply the cleaning water to the nozzle device 800 via the flow control valve 517.
  • the driving of the water pump 516 is controlled by the control unit 130 based on the operation of the remote controller 400 and the operation unit 210.
  • control unit 130 energizes the flat heater 702 of the heat exchanger 700 to start heating the cleaning water.
  • control unit 130 controls energization to the flat heater 702 based on the detection information of the incoming water temperature sensor 630 and the hot water temperature sensor 730. That is, the control unit 130 performs control so that the cleaning water is maintained at the temperature set by the hot water temperature switch 231 of the operation unit 210.
  • control unit 130 controls switching of the flow control valve 517 based on operation information of the operation unit 210 and the remote controller 400. That is, the control unit 130 switches the flow control valve 517 to any of the bottom cleaning nozzle 831, the bidet cleaning nozzle 832, and the nozzle cleaning unit 833 of the nozzle device 800 to supply cleaning water. Accordingly, the cleaning water is ejected from any one of the buttocks cleaning ejection port 834, the bidet cleaning ejection port 836, and the nozzle cleaning ejection port 838.
  • FIG. 29 is a timing chart of the cleaning unit during the initial use of the sanitary cleaning device.
  • the initial use is a state in which no cleaning water is stored in the cleaning section, such as when the sanitary cleaning device 100 is used for the first time after installation or when it is reused after draining operation to prevent freezing. It corresponds to.
  • the user operates the operation unit 210 or the cleaning switch (for example, the buttocks cleaning switch 221 or 410) of the remote controller 400.
  • the control unit 130 energizes the water stop solenoid valve 514 and starts supplying cleaning water into the sub tank 600.
  • driving of the water level detection sensor 620 is started. The driving of the water level detection sensor 620 is continued until the post-cleaning is finished after stopping the buttocks cleaning at the time point P14, the cleaning water is supplied to the sub tank 600, and the water level detection sensor 620 detects the upper limit water level.
  • the control unit 130 starts measuring time. Then, at a time point P3 when a predetermined time has elapsed, the energization of the water stop solenoid valve 514 is stopped, and the supply of cleaning water is stopped.
  • energization is stopped after detecting the upper limit water level, for example, 2 seconds later. This is because the subtank 600 and the heat exchanger 700 are normally full at the time point P2 when the upper limit water level is detected.
  • the feeding is continued for an additional 2 seconds.
  • the heat exchanger 700 and the water pump 516 are more reliably filled with the wash water, and air in the heat exchanger 700 and the like is excluded.
  • the washing water can be surely supplied to the water pump 516 constituting the water discharge amount variable section to fill the water. Thereby, the water pump 516 in a full water state is started, and the washing water can be supplied to the nozzle part 820 more reliably.
  • the control unit 130 starts driving the water pump 516 at the time P3 when the energization of the water stop solenoid valve 514 is stopped.
  • the flow control valve 517 is driven to start supplying cleaning water to, for example, the bottom cleaning channel 835 of the nozzle unit 820.
  • the water level in the sub-tank 600 is lowered by driving the water pump 516, and the water level detection sensor 620 cancels the detection of the upper limit water level at the time point P4. Therefore, at time P4, the control unit 130 starts driving the heat exchanger 700. That is, the normal operation of the water pump 516 can be confirmed by detecting the decrease in the water level. Thereby, the abnormal temperature rise of the heat exchanger 700, such as emptying, can be prevented.
  • the washing water supplied to the buttocks washing channel 835 is ejected from the buttocks washing outlet 834.
  • the jetted washing water passes through the jet opening 844 and is reflected on the inner surface of the holding portion 816 provided at the tip of the support portion 810. Thereby, the outer peripheral surface of the nozzle cover 840 is cleaned.
  • the cleaning operation is referred to as “pre-cleaning”. Note that the pre-cleaning is continued until time point P5 after 2 seconds after the temperature of the hot water in the heat exchanger 700 reaches, for example, 25 ° C.
  • the control unit 130 starts driving the cleaning nozzle driving unit 860 of the nozzle device 800. Then, the nozzle portion 820 is advanced from the storage position to the buttocks cleaning position. At this time, the control unit 130 switches the flow control valve 517 during the movement from the storage position to the buttocks cleaning position, and supplies the cleaning water to the nozzle cleaning flow path 839.
  • the cleaning water supplied to the nozzle cleaning channel 839 is jetted into the nozzle cover 840 from the nozzle cleaning jet port 838.
  • the sprayed cleaning water flows out of the nozzle cover 840 from the drain port 845 after cleaning the inner surface of the nozzle cover 840. Meanwhile, the nozzle part 820 is warmed by the washing water heated by the heat exchanger 700. Thereby, at the time of the hip cleaning performed thereafter, it is possible to prevent the cold water from being blown out and suppress the user's discomfort.
  • the control unit 130 switches the flow control valve 517 and starts supplying cleaning water to the buttocks cleaning channel 835.
  • the cleaning water supplied to the buttocks cleaning channel 835 is ejected from the buttocks cleaning outlet 834.
  • the cleaning water passes through the ejection opening 844 and cleans the user's local area. Note that the butt cleaning is continued until, for example, a time point P11 at which the user performs an operation to stop the cleaning.
  • the controller 130 controls the temperature of the wash water to be a set temperature based on the detection data of the incoming water temperature sensor 630 and the outgoing hot water temperature sensor 730 while the heat exchanger 700 is driven.
  • the control unit 130 starts energization of the water stop electromagnetic valve 514 and supplies cleaning water. Thereafter, the control unit 130 continues energization of the water stop solenoid valve 514 until time P8 when the water level detection sensor 620 detects the upper limit water level.
  • control unit 130 stops energization of the water stop solenoid valve 514 and starts time measurement. Then, the elapsed time until the time point P9 when the water level detection sensor 620 detects the lower limit water level is measured.
  • the control unit 130 calculates the flow rate by calculating the measured elapsed time and the amount of water (for example, 65 cc) from the upper limit water level to the lower limit water level.
  • the control unit 130 adjusts the output of the water pump 516 to Correct the flow rate.
  • the control unit 130 stops energization of the water pump 516 and the heat exchanger 700.
  • the control unit 130 drives the cleaning nozzle driving unit 860 of the nozzle device 800 to retract the nozzle unit 820 from the buttocks cleaning position to the storage position.
  • the control unit 130 stops driving the cleaning nozzle driving unit 860 at the point P12 when the nozzle unit 820 moves back to the storage position. At the same time, the control unit 130 drives the water pump 516 and the heat exchanger 700 again to start “post-cleaning” for cleaning the nozzle unit 820.
  • control unit 130 stops driving the water pump 516 and the heat exchanger 700. This completes the “post-cleaning”.
  • the control unit 130 supplies power to the sub tank 600 again by energizing the water stop electromagnetic valve 514. Then, at time P14 when the water level detection sensor 620 detects the upper limit water level, the control unit 130 stops energization of the water stop electromagnetic valve 514, and ends the series of control of the buttocks cleaning. Thereby, the sub tank 600 is in a full state of the upper limit water level, and the cleaning unit 500 is in a standby state.
  • the control of the cleaning unit during the initial use of the sanitary cleaning device 100 of the present embodiment is executed.
  • FIG. 30 is a timing chart of the cleaning unit during normal use of the sanitary cleaning device. Note that the normal use corresponds to a case where the cleaning operation is performed by the sanitary washing apparatus in the standby state in which the initial use was performed before.
  • control of the cleaning unit during normal use shown in FIG. 30 is stored at the time point P20 when the cleaning operation is performed, and the fact that the sub tank 600 is already full and that the control unit 130 has performed the initial use. This is different from the control of the cleaning unit during initial use shown in FIG.
  • the user operates the cleaning switch (for example, the buttocks cleaning switch 221 or 410) of the operation unit 210 or the remote controller 400 in the standby state in which the sub tank 600 at the time point P20 is full.
  • the control part 130 supplies with electricity to the water pump 516, and starts supply of the washing water to a predetermined
  • energization of the heat exchanger 700 is started based on the stored data that has already been subjected to the control of the initial operation.
  • the “pre-cleaning” operation of the nozzle device 800 is started at the same time. Furthermore, the control unit 130 starts driving the water level detection sensor 620.
  • control from the time when the cleaning operation is performed to the time when the heat exchanger 700 is energized is different between the case of initial use and the case of normal use described in FIG. Note that the control, operation, and operation after the time point P5 when the driving of the nozzle device 800 is started are the same as those in FIG.
  • the sanitary washing device detects a change in the water level of the washing water by the water level detection sensor provided in the sub tank, and calculates the flow rate by calculation.
  • the water level detection sensor provided in the sub tank
  • calculates the flow rate by calculation it is not necessary to separately provide a dedicated flow sensor or the like for detecting the flow rate in the cleaning unit.
  • the structure of the cleaning unit can be simplified and the cost can be reduced.
  • the sanitary washing device of the present embodiment corrects the threshold value for determining the change in the output voltage between the electrodes in the water level detection based on the temperature.
  • the accuracy of water level detection and flow rate detection can be improved, and water having different conductivity in a wide range can be used as cleaning water for the sanitary cleaning device.
  • the usage range and usability of the sanitary washing device can be further improved.
  • the sanitary washing device continues to pass water for a predetermined time after detecting the full water state of the sub-tank during initial use.
  • the water pump is driven, if the water level detection sensor detects the cancellation of the upper limit water level, energization of the heat exchanger is started.
  • the washing water is reliably supplied to the heat exchanger, and as a result, it is possible to prevent the heat exchanger from being blown. Therefore, compared with the structure which uses a general flow sensor and prevents idling, it can be made a simple structure. As a result, a sanitary washing apparatus having high safety and reliability can be realized at low cost.
  • the control, operation, and operation of the cleaning unit of the sanitary cleaning device in the present embodiment are executed.
  • FIG. 31 is a perspective view showing the appearance of the spray nozzle of the sanitary washing device.
  • FIG. 32 is a longitudinal sectional view of the spray nozzle.
  • FIG. 33 is a plan view showing the installation position of the spray nozzle and the rotation angle of the discharge port of the spray nozzle in the sanitary washing device.
  • FIG. 34 is a chart showing the pump output of the water discharge amount variable section at the rotation angle of the discharge port of the spray nozzle.
  • the spray nozzle 550 includes a spray nozzle driving unit 550a, a body 550c, a rotating nozzle 550d, and the like.
  • the spray nozzle driving unit 550a is configured by a motor, for example, and rotationally drives the rotary nozzle 550d.
  • the body 550c includes an inlet channel 550b and an inlet hole 550h, and supplies cleaning bubbles, cleaning water, and the like generated by the bubble generator 560 shown in FIG. 6 to the rotating nozzle 550d.
  • the body 550c rotatably holds a rotary nozzle 550d that is shaft-sealed with an O-ring 550e and an O-ring 550f.
  • An X ring may be used instead of the O ring 550f. Thereby, the torque required for the rotational drive of the rotary nozzle 550d can be reduced. Further, it is possible to more reliably prevent the rotary nozzle 550d from sticking. As a result, a small and low torque motor can be used for the spray nozzle drive unit 550a.
  • the rotary nozzle 550d is fitted to the spray nozzle driving unit 550a via the shaft 550n of the rotary drive body and is driven to rotate.
  • the spray nozzle 550 of the present embodiment is configured and operates as follows.
  • the cleaning water or the cleaning foam generated by the foam generating unit 560 in FIG. 6 is supplied from the inlet channel 550b of the body 550c of the spray nozzle 550.
  • the supplied cleaning water or cleaning foam is supplied into the rotary nozzle 550d from a plurality of entrance holes 550h of the body 550c opened around the rotary nozzle 550d.
  • the liquid is discharged from the discharge port 550u of the rotary nozzle 550d toward the inner surface of the toilet, the buttocks washing nozzle 831, and the like.
  • the spray nozzle 550 is arranged on the right side from the center of the main body 200 as shown in FIG. This is because the hip cleaning nozzle 831 and the like for cleaning the human body local area are preferentially arranged in the center. Therefore, the spray nozzle 550 is arranged not on the center but on the left or right. Needless to say, the above arrangement may be reversed.
  • the control unit 130 of the sanitary washing device 100 detects the person entering the room with the human body detection sensor 450. Simultaneously, the control part 130 transfers to the operation
  • the flow control valve 517 for switching the flow path to the buttocks cleaning nozzle 831, the bidet cleaning nozzle 832, the nozzle cleaning unit 833, and the like is in a closed state. Therefore, the wash water from the heat exchanger 700 is supplied to the spray nozzle 550 via the branch flow path 530, the check valve 531 that forms the foam generation unit 560, and the foam tank 532. The supplied cleaning water is discharged from the discharge port 550u of the spray nozzle 550 toward the inner surface of the toilet, the buttocks cleaning nozzle 831, and the like.
  • the control unit 130 drives the spray nozzle driving unit 550a to rotationally drive the discharge port 550u of the rotary nozzle 550d of the spray nozzle 550.
  • the cleaning water or the cleaning foam discharged from the discharge port 550u is sprayed on the entire circumference of the inner surface of the toilet bowl, the buttocks cleaning nozzle 831, and the like to form a water film or a foam film. Thereby, adhesion of filth etc. is prevented beforehand.
  • the distance from the discharge port 550u of the spray nozzle 550 to the inner surface of the toilet varies depending on the rotation angle direction of the spray nozzle 550.
  • control unit 130 performs control so as to change the output of the water pump 516 constituting the water discharge amount variable unit according to the rotation angle of the discharge port 550u of the spray nozzle 550.
  • control unit 130 starts the above control when the human body detection sensor 450 detects that the user enters the toilet room.
  • control unit 130 changes the output of the water pump 516 constituting the water discharge amount variable unit from “high” to “low” as shown in FIG. 34 according to the rotation angle of the discharge port 550u of the spray nozzle 550.
  • the cleaning foam is discharged while changing the range.
  • control unit 130 sets the output of the water pump 516 to be large (high) near the rotation angle of 160 ° where the distance to the toilet inner surface shown in FIG. 33 is the longest (far).
  • control unit 130 reduces the output of the water pump 516 to be small (low) at a rotation angle of about 340 ° where the distance to the toilet bowl is the shortest (near).
  • control unit 130 controls the ejection amount (and ejection speed) of the cleaning foam and the cleaning water from the ejection port 550u according to the rotation angle of the spray nozzle 550, that is, the distance between the ejection port 550u and the inner surface of the toilet.
  • the output of the water pump 516 is set to “high” and the cleaning foam or cleaning water is set. Is discharged at the strongest momentum. Thereby, it is possible to sufficiently reach the inner surface in front of the toilet bowl with cleaning bubbles and cleaning water.
  • the output of the water pump 516 is set to “low” and the cleaning foam or cleaning water has the weakest momentum. To discharge. This prevents the occurrence of problems such as cleaning bubbles and splashing of cleaning water.
  • washing water or washing bubbles are discharged in advance on the entire inner surface of the toilet bowl to form a water film or foam film, thereby preventing the adhesion of dirt during use.
  • the control unit 130 when the human body detection sensor 450 detects that the user has entered the toilet room, or when the user operates the spray switch 417 via the operation unit 210 or the remote controller 400, Spray the cleaning foam on the inside.
  • the control unit 130 scatters the cleaning foam on the inner surface of the toilet bowl while changing the output of the water pump 516 constituting the water discharge amount variable unit. Specifically, the control unit 130 first rotates the spray nozzle driving unit 550a in a normal direction (for example, clockwise), and moves the direction of the discharge port 550u of the spray nozzle from the rear of the toilet bowl to the rear of the toilet bowl. While spraying the cleaning foam.
  • control unit 130 rotates the spray nozzle driving unit 550a in the reverse direction (for example, counterclockwise) to move the direction of the discharge port 550u of the spray nozzle 550 from the rear of the toilet to the rear of the toilet. While spraying the cleaning foam. That is, the discharge port 550u of the spray nozzle 550 is rotated in the forward and reverse directions over the inner peripheral surface of the toilet bowl, and the cleaning foam is sprayed by at least one reciprocal rotation operation.
  • the output of the water discharge amount variable part is controlled so that the cleaning foam reaches the vicinity of the rim 110a of the toilet 110, and the cleaning foam can be sprayed on almost the entire circumference (including the entire circumference) of the inner surface of the toilet 110.
  • the cleaning foam can be sprayed on almost the entire circumference (including the entire circumference) of the inner surface of the toilet 110.
  • the control unit 130 uses a lower output of the water discharge amount variable unit during the forward rotation of the spray nozzle drive unit 550a with a lower output than that during the reverse rotation of the spray nozzle drive unit 550a. May be controlled so as to be discharged.
  • the direction of the discharge port 550u of the spray nozzle is directed to the draft surface 110b on the inner side of the rim 110a of the toilet 110, as indicated by the washing bubble spray movement locus TF indicated by the dotted line in FIG. Wash bubbles are sprayed on the near side.
  • the draft surface 110b at the upper part of the outlet 115 of the toilet 110 can be covered with the cleaning foam.
  • the cleaning foam can be sprayed almost all around the inner surface of the toilet 110 near the rim 110a.
  • the spray nozzle 550 is disposed at a position in front of the main body 200 that is placed on the toilet 110 and fixedly installed. That is, the spray nozzle 550 is installed on the front side of the front tip position where the nozzle device 800 for cleaning the human body by protruding the cleaning nozzle from the storage position to the buttocks cleaning or bidet cleaning position is stored. Therefore, at the time of rotational driving, the washing bubbles can be sprayed with the direction of the discharge port 550u of the spray nozzle directed toward the rear of the toilet bowl 110. Thereby, from the front of the toilet 110 to the back inner surface, a foam film of washing foam can be formed, and adhesion of dirt can be controlled.
  • the normal rotation is described as being forward rotation and counterclockwise rotation is reverse rotation as viewed from above in FIG. 33, but is not limited thereto.
  • the forward rotation may be counterclockwise and the reverse rotation may be clockwise. That is, at the time of spraying the cleaning bubbles, the direction in which the discharge port 550u of the spray nozzle starts rotating is referred to as normal rotation, and the return direction is referred to as reverse rotation, and the rotation direction is not limited.
  • control unit 130 changes the output of the water pump 516 in accordance with the rotation angle of the discharge port 550u of the spray nozzle 550. Thereby, it is possible to discharge the washing water or the washing bubbles so as to reliably reach the front, side, and rear of the inner surface of the toilet at different distances. As a result, it is possible to form a water film or a foam film over a wide area on the inner surface of the toilet bowl, thereby suppressing the adhesion of dirt.
  • the configuration in which “high” and “low” are set on the basis of the average level “medium” of the output of the water pump 516 has been described as an example.
  • the average level “medium” of the output of the water pump 516 may be set higher or lower to change the reference level.
  • the height position (with respect to a horizontal surface) of the cleaning foam sprayed on the inner surface of the toilet 110 can be arbitrarily changed. As a result, it is possible to more reliably form a water film or a foam film on the entire inner surface of the toilet bowl, thereby suppressing the adhesion of dirt.
  • control unit 130 has been described with respect to the discharge control in which the output of the water pump 516 is changed according to the rotation angle of the discharge port 550u of the spray nozzle 550.
  • the present invention is not limited to this.
  • the control unit 130 may control the rotation speed of the spray nozzle driving unit 550a to change according to the rotation angle of the discharge port 550u of the spray nozzle 550. .
  • the output of the water pump 516 is changed to change the momentum of discharge of cleaning water or cleaning bubbles.
  • washing water or washing foam is certainly sprinkled to the inner surface of a distant toilet bowl, the rebound on the inner surface of a close toilet bowl is controlled effectively.
  • the rotation speed of the spray nozzle 550 is further changed by the spray nozzle driving unit 550a in accordance with the rotation angle of the discharge port 550u.
  • the spraying density of washing water or washing bubbles can be made more uniform over the entire circumference of the inner surface of the toilet.
  • the spraying density of cleaning foam and cleaning water can be made uniform to some extent.
  • the spraying density can be more evenly distributed by spraying the cleaning bubbles and the cleaning water by changing the rotation speed of the spraying nozzle driving unit 550a according to the rotation angle of the spraying nozzle 550.
  • the cleaning foam and the cleaning water can be discharged from the discharge port 550u of the spray nozzle 550 and sprayed at a more uniform spray density over the entire circumference of the inner surface of the toilet bowl.
  • the washing bubbles and washing water discharged to the vicinity of the rotation angle 340 ° which is the closest distance from the discharge port 550u of the spray nozzle 550, that is, the rear of the toilet bowl, are gathered and the spray density is dense. Therefore, the rotation speed of the spray nozzle 550 is made the fastest. Thereby, the time for the discharge port 550u of the spray nozzle 550 to pass near the toilet rear is shortened, and the spray density is lowered.
  • the distribution of the washing water or washing foam sprayed on the inner surface of the toilet can be equalized (thinness is eliminated) regardless of the rotation speed. Therefore, the adhesion of dirt can be more effectively suppressed over the entire circumference of the inner surface of the toilet.
  • the control unit 130 changes the rotation speed of the spray nozzle driving unit 550a according to the rotation angle of the discharge port 550u of the spray nozzle 550.
  • the rotation speed of the spray nozzle driving unit 550a is small (low speed).
  • the rotation speed of the spray nozzle driving unit 550a is set to be high (high speed).
  • the control unit 130 controls the spray nozzle 550 to spray the cleaning water or the cleaning foam in advance on the inner surface of the toilet. Specifically, the control unit 130 controls the spray nozzle driving unit 550a to spray the bubbles while rotating the nozzle 550d, for example, at least one reciprocation, and automatically stop when spraying washing bubbles or the like on the toilet. To do. Thereby, before a user uses a sanitary washing apparatus, a water film or a foam film is formed in the toilet bowl inner surface. As a result, it is possible to effectively suppress the adhesion of dirt to the toilet inner surface during use.
  • the spray nozzle 550 is reciprocally rotated once before use to spray the cleaning foam and the cleaning water.
  • the present invention is not limited thereto.
  • the number of times is arbitrary as long as the sprayed cleaning bubbles and the cleaning water are sufficiently distributed to the inner surface of the toilet bowl.
  • the user can select and set the number of reciprocations for spraying the cleaning foam on the inner surface of the toilet bowl using the operation unit 210 or the remote controller 400.
  • the rotation direction of the spray nozzle 550 is not particularly mentioned, and the rotary nozzle 550d is configured to reciprocate once as shown in FIG.
  • the spray direction of the cleaning water or cleaning foam is always the same direction.
  • spraying by reciprocating rotation as in this embodiment cleaning foam and cleaning water can be sprayed on the inner surface of the toilet from two directions by forward and reverse rotation.
  • production of what is called a scattering omission part can be decreased more. Therefore, it is possible to disperse the cleaning foam and the cleaning water more evenly on the inner surface of the toilet.
  • the reciprocating rotation is not limited to one reciprocation, and may be set to a plurality of reciprocations such as two reciprocations or three reciprocations.
  • the rotation nozzle 550d of the spray nozzle 550 is normally rotated (for example, clockwise) from the rotation angle 0 ° corresponding to the front side of the toilet to the rotation angle 340 °. , Stop once. Thereafter, the rotation nozzle 550d is reversely rotated (for example, counterclockwise) from the rotation angle 340 ° to the rotation angle 0 °, and stopped after the reciprocating rotation.
  • a rotation restricting portion (not shown) that is a mechanical stopper, for example, is provided that restricts the rotatable range of the rotating nozzle 550d of the spray nozzle 550 from a rotation angle of 0 ° to a rotation angle of 340 °.
  • the rotation restricting portion is constituted by, for example, a protrusion formed on a part of the outer periphery of the rotating nozzle 550d and a rotation restricting wall of the body 550c.
  • the spray nozzle 550 configured as described above is provided with a rotation restricting portion that restricts the rotation range, and reciprocates and rotates the spray nozzle 550 within a rotatable range that is not restricted by the rotation restricting portion. Then, washing bubbles and washing water are sprayed on the inner surface of the toilet from the reverse direction by reciprocation, that is, from two directions by forward and reverse rotation. As a result, the occurrence of so-called scattering omissions is reduced. Therefore, it is possible to disperse the cleaning foam and the cleaning water more evenly on the inner surface of the toilet. As a result, the adhesion of dirt can be suppressed with a small number of spraying times (time).
  • the spray nozzle 550 having the above-described configuration is always at the position where the protrusion of the rotary nozzle 550d driven by the motor constituting the spray nozzle drive unit 550a is in contact with the rotation restricting unit, at the rotational position of the spray nozzle drive unit 550a. It can be recognized as the origin. That is, there is no deviation of the origin due to the reciprocating operation of the rotary nozzle 550d of the spray nozzle 550. Thereby, the position accuracy of the rotation angle with respect to the toilet bowl inner surface can be increased. For this reason, it is possible to reduce variations such as positional deviation with respect to a predetermined position on the inner surface of the toilet. As a result, it is possible to spray cleaning bubbles and cleaning water from the discharge port 550u of the spray nozzle 550 at an appropriate rotation angle position on the inner surface of the toilet bowl with an appropriate discharge output and rotation speed.
  • the spray nozzle drive unit 550a may simply perform forward / reverse rotation operation of the spray nozzle 550. This eliminates the need for the rotation restricting portion and enables various operations such as forward / reverse rotation and one-way rotation. As a result, a more appropriate operation can be realized depending on the situation such as dirt on the inner surface of the toilet bowl. In this case, it is preferable to set the rotation angle around 160 ° to be reversed and gradually decrease the rotation speed in the vicinity thereof. Thereby, the load added at the time of the rapid inversion of the spray nozzle drive part 550a can be reduced.
  • the foam generating unit 560 is a branched flow channel branched from the cleaning water supply flow channel 690 between the water pump 516 constituting the water discharge amount variable unit and the flow control valve 517.
  • 530 is connected through an on-off valve 530a. Then, the opening and closing of the on-off valve 530a supplies the cleaning water to the foam generating unit 560 via the branch channel 530.
  • the foam generation unit 560 includes a check valve 531, a foam tank 532, a detergent tank 533, a detergent pump 534, an air pump 535, and the like.
  • the foam tank 532 is connected to the branch flow path 530 via the check valve 531.
  • the spray nozzle 550 described above is connected downstream of the foam tank 532.
  • the foam tank 532 is connected to a detergent tank 533 that supplies detergent through a detergent pump 534.
  • the foam tank 532 is further connected to an air pump 535.
  • the air pump 535 sends air into the foam tank 532 to generate cleaning foam and the like.
  • the air pump 535 supplies cleaning water and generated cleaning bubbles to the spray nozzle 550.
  • the bubble generating unit 560 is configured and operates as follows.
  • control unit 130 opens the on-off valve 530a. Then, the control unit 130 drives the water pump 516 to supply cleaning water from the heat exchanger 700 to the foam tank 532 of the foam generation unit 560.
  • the detergent supplied from the detergent tank 533 by the detergent pump 534 and the washing water supplied from the heat exchanger 700 are mixed in the foam tank 532.
  • control unit 130 drives the air pump 535 to supply air into the foam tank 532. Thereby, cleaning foam is generated in the foam tank 532.
  • the generated cleaning foam is supplied to the spray nozzle 550 and discharged to the inner surface of the toilet bowl from the discharge port 550u of the rotary nozzle 550d.
  • the discharge amount and discharge momentum (discharge speed and discharge pressure) of the cleaning water or the cleaning bubbles discharged from the spray nozzle 550 are increased or decreased.
  • the air pump 535 of the foam generating unit 560 also functions as a water discharge amount variable unit, like the water pump 516.
  • the foam generation unit 560 of the present embodiment includes a foam tank 532 between the on-off valve 530a and the spray nozzle 550.
  • the foam tank 532 is supplied with detergent from the detergent tank 533 and generates washing foam.
  • the generated cleaning foam is configured to be discharged from the discharge port 550u of the spray nozzle 550 to the inner surface of the toilet bowl.
  • the odor generated from the filth can be effectively suppressed by the cleaning foam containing the detergent. Furthermore, the cleaning foam gives the user a visually clean image. As a result, the user's comfort is further improved.
  • the configuration in which the spray of cleaning water or cleaning foam on the inner surface of the toilet bowl is executed when the human body detection sensor 450 detects a person entering the room has been described as an example, but the present invention is not limited thereto.
  • FIG. Thereby, even when not using the toilet which is a sanitary washing apparatus, when the dirt on the inner surface of the toilet bowl is worrisome, it is possible to remove the dirt by spraying cleaning foam containing detergent on the inner face of the toilet bowl. Furthermore, it is possible to prevent dry stubborn dirt from adhering to the draft surface 110b. That is, by operating the spray switch 417, the user can always form a foam film with the cleaning foam containing the detergent on the inner surface of the toilet bowl. As a result, the inner surface of the toilet bowl can be kept clean.
  • the user arbitrarily selects in advance either the cleaning water or the cleaning foam on the inner surface of the toilet bowl by using the operation unit 210 or the spraying selection switch (not shown) of the remote controller 400.
  • You may provide the structure to do. Thereby, it can select arbitrarily according to the generation
  • the control unit 130 determines the output of the water pump 516 described with reference to FIG. 34 according to the rotation angle of the discharge port 550u of the spray nozzle 550.
  • the output of the air pump 535 may be changed. That is, the air pump 535 may be used as the water discharge amount variable unit.
  • the control unit 130 outputs the output of the air pump 535 at a rotation angle of about 160 ° where the distance from the discharge port 550u of the spray nozzle 550 to the inner surface of the toilet is the longest (far). Increase (air pressure) to large (high). Thereby, the air pressure by the air pump 535 can be increased, and the momentum of blowing the cleaning bubbles and the cleaning water from the discharge port 550u of the spray nozzle 550 can be increased.
  • the output (air pressure) of the air pump 535 is made small (low) near the rotation angle 340 ° where the distance from the discharge port 550u to the inner surface of the toilet bowl is the shortest (near). It can be lowered to weaken the momentum to blow washing bubbles and washing water. That is, the air pressure discharged from the air pump 535 is adjusted according to the distance from the discharge port 550u of the spray nozzle 550 to the toilet inner surface. As a result, cleaning bubbles and cleaning water can be uniformly and uniformly discharged onto the inner surface of the toilet.
  • a stain detection unit (not shown) that detects toilet dirt with an imaging device such as a CCD (Charge Coupled Device) may be further provided.
  • the control unit 130 reciprocates the portion where the dirt remains based on the detection result of the dirt detection unit, and sprays the cleaning bubbles and the cleaning water from the spray nozzle 550 in a concentrated manner.
  • the adhering dirt can be effectively suppressed and removed.
  • the rotation speed of the discharge port 550u of the spray nozzle 550 passing through the dirt portion may be driven to rotate at a lower speed. Furthermore, it is good also as a structure which increases the output of the water pump 516 or the air pump 535 more when passing a dirt part. Thereby, the same effect is acquired.
  • the sanitary washing device includes the toilet seat 300 installed in the toilet bowl 110 so as to be tiltable, the main body 200 that supports the toilet seat so as to be tiltable, and the heat exchanger 700 that heats the washing water. , A cleaning nozzle 831 for cleaning the human body, a foam generating unit 560 for generating cleaning foam, and a spray nozzle 550 for discharging cleaning water or cleaning foam to the inner surface of the toilet.
  • a water discharge amount variable unit 516 that varies the flow rate of the cleaning water or the foam to be delivered to the spray nozzle
  • a spray nozzle drive unit 550a that rotationally drives the discharge port 550u of the spray nozzle in a predetermined direction
  • An on-off valve 530 a that opens and closes the flow path
  • a control unit 130, and an operation unit 210 are provided.
  • the control part 130 is equipped with the structure which controls the spray nozzle 550 so that washing water or washing foam may be sprayed from the spray nozzle 550 to the several surrounding area
  • the control unit 130 when the cleaning foam is sprayed from the spray nozzle 550 to the toilet 110, the control unit 130, as shown in FIG. 33, almost completely covers the region where the height position of the inner surface of the toilet 110 is high and the region where the height is lower. Can be spread around the circumference. As a result, a foam film can be formed from the front to the rear surrounding area of the inner surface of the toilet 110, and adhesion of dirt can be suppressed.
  • control unit 130 rotates the direction of the discharge port 550u of the spray nozzle 550 in a wide rotation angle range.
  • the control unit 130 controls the output of the water pump 516 constituting the water discharge amount variable unit with the output from “low” to “high”, and discharges the cleaning foam to the entire circumference of the inner surface of the toilet.
  • the cleaning foam is discharged so as to reach a wide area on the inner surface of the toilet.
  • it is possible to form a foam film over a wide area on the inner surface of the toilet and effectively suppress the adhesion of dirt.
  • control of the water pump 516 with a “high” output means that the output is relatively higher than the output of the water pump 516 under the operating conditions described in ⁇ 8> and ⁇ 9> below. Means high.
  • FIG. 35A is an explanatory diagram showing pump output in the discharge operation to the inner surface of the toilet using the spray nozzle.
  • FIG. 35B is an explanatory diagram showing a discharge direction toward the toilet inner surface by the spray nozzle.
  • the toilet seat opening / closing detection unit 331 detects the toilet seat closed state
  • the seating detection unit 330 detects the seating state.
  • the user presses the operation unit 210 or the spray switch 417 of the remote controller 400.
  • the control unit 130 first drives the spray nozzle drive unit 550a to a position where the direction of the discharge port 550u of the spray nozzle 550 faces the rear of the toilet bowl. Then, the driving of the spray nozzle 550 is stopped.
  • the toilet rear corresponds to a position where the rotation angle of the discharge port 550u is, for example, around 100 ° (see FIG. 33), as shown in FIG. 35A.
  • the discharge output of the water pump 516 or the air pump 535 constituting the water discharge amount variable section is controlled by the “low” output.
  • the cleaning foam is discharged from the spray nozzle 550 to the vicinity of the back of the toilet for a predetermined time.
  • the predetermined time is set to 8 seconds, for example.
  • the cleaning foam is discharged at a low momentum (“low” output) to the position behind the toilet. Therefore, there is no possibility that the discharged cleaning bubbles are scattered to the user sitting on the toilet seat 300. Furthermore, the cleaning foam sprayed behind the toilet bowl covers the draft surface 110b in the toilet bowl. Thereby, the spreading
  • the cleaning foam covering the draft surface 110b in the toilet bowl serves as a cushion when stool / urine excreted by the user in a sitting state falls on the draft surface 110b.
  • the bounce around the toilet and the user can be suppressed by the cushioning effect of the cleaning foam.
  • the controller 130 sets the discharge port 550u of the spray nozzle 550.
  • the spray nozzle drive unit 550a is driven to a position where the direction is toward the rear of the toilet bowl and stopped. Thereafter, the water pump 516 and the air pump 535 are controlled by the “low” output, and the washing foam is discharged to the rear of the toilet bowl.
  • the cleaning foam is discharged with a low momentum toward the rear of the inner surface of the toilet bowl.
  • the draft surface 110b of the discharge port 115 can be covered with the cleaning foam without the cleaning foam scattering to the user.
  • Discharge control, action and operation by spray nozzle in toilet seat open / non-seat state The state where the user is not seated on the toilet seat 300 and the toilet seat 300 is opened almost vertically as in the case of a male urine.
  • FIG. 36A and FIG. 36B the discharge control of the spray nozzle when the user operates the spray switch 417 will be described.
  • FIG. 36A is an explanatory diagram showing a pump output in the discharge operation to the toilet inner surface by the spray nozzle.
  • FIG. 36B is an explanatory diagram showing a discharge direction toward the inner surface of the toilet bowl by the spray nozzle.
  • the toilet seat 300 since the user is in a standing posture, the toilet seat 300 is in an open state. That is, the toilet seat opening / closing detection unit 331 detects the toilet seat open state, and the seating detection unit 330 detects the non-sitting state.
  • the user presses the operation unit 210 or the spray switch 417 of the remote controller 400.
  • the control unit 130 first drives the spray nozzle driving unit 550a to a position where the direction of the discharge port 550u of the spray nozzle 550 faces the discharge port 115 of the toilet bowl. Then, the driving of the spray nozzle 550 is stopped.
  • the rotation angle of the discharge port 550u shown in FIG. 36A is stopped, for example, at a position near 150 ° (see FIG. 33). Thereby, the direction of the discharge port 550u faces the discharge port 115 of the toilet bowl.
  • the control unit 130 controls the discharge output of the water pump 516 or the air pump 535 constituting the water discharge amount variable unit to an output of “medium” as shown in FIG. 36A.
  • the cleaning foam is discharged from the spray nozzle 550 to the outlet 115 of the toilet 110 for a predetermined time in the direction indicated by the arrow in FIG. 36B.
  • the predetermined time is set to 8 seconds, for example.
  • the discharged cleaning foam is in a state of covering the water surface above the discharge port 115, that is, the draft surface 110b.
  • the above-mentioned “medium” output means an output such that the cleaning foam or the like reaches the outlet 115 of the toilet directly.
  • control unit 130 controls the water pump 516 constituting the water discharge amount variable unit to discharge cleaning bubbles or the like with an output of “medium”. Then, in advance, the cleaning foam is discharged near the draft surface 110b above the discharge port 115, and the draft surface 110b is quickly covered with the cleaning foam. Thereby, the spreading
  • the cleaning foam covering the draft surface 110b serves as a cushion.
  • rebounding around the toilet 110 can be suppressed by the cushioning effect of the cleaning foam.
  • the cleaning foam is illustrated as being discharged to one point near the center of the outlet 115 of the toilet 110, but is not limited thereto.
  • the cleaning bubbles may be discharged with the direction of the discharge port 550 u of the spray nozzle 550 directed toward the draft surface 110 b of the discharge port 115.
  • the position for spraying the cleaning bubbles may be any of the front side, center, rear side, and left and right sides of the toilet near the draft surface 110b of the discharge port 115. That is, the cleaning foam is sprayed within a substantially range (including the range) of the draft surface 110b of the discharge port 115.
  • the adhesion of dirt near the draft surface 110b of the toilet 110 can be more reliably suppressed.
  • the cleaning foam may be sprayed while the spray nozzle 550 is reciprocated in a narrow range near the draft surface 110b of the discharge port 115. Further, the cleaning foam may be discharged by changing the discharge output of the water pump 516 or the air pump 535. Thereby, the draft surface 110b of the discharge port 115 can be more efficiently covered with the cleaning foam.
  • the control unit 130 causes the discharge port 550u of the spray nozzle 550 to be output when a foam spray signal is input by the spray switch 417 when the user is not seated and the toilet seat is open.
  • the spray nozzle drive unit 550a is driven to a position where the direction is directed to the toilet outlet, and stopped. Thereafter, the water pump 516 and the air pump 535 are controlled with an output of about “medium”, and the washing bubbles are discharged toward the draft surface 110 b of the outlet 115 of the toilet 110.
  • the spray switch 417 when the spray switch 417 is operated in a state where the user is not seated on the toilet seat 300 and the toilet seat is open, the washing foam is directed toward the draft surface 110b of the outlet 115 of the toilet 110, "Discharge at about the momentum.” Thereby, the draft surface 110b above the outlet 115 of the toilet 110 can be covered with the cleaning foam. As a result, it is possible to suppress the spread of odor during urination and the adhesion of dirt near the draft surface 110b of the toilet 110.
  • the control unit 130 uses the direction of the discharge port 550u of the spray nozzle 550 and the water discharge amount variable unit according to the seating state on the toilet seat 300 and the opening / closing state of the toilet seat.
  • the output of a certain water pump 516 is changed.
  • the configuration using the motor as the spray nozzle driving unit 550a has been described as an example, but the present invention is not limited to this.
  • it is good also as a structure which rotates the spray nozzle 550 by the reaction at the time of discharging a cleaning bubble from the discharge outlet 550u of the spray nozzle 550.
  • FIG. Thereby, power consumption can be suppressed with simplification of a structure.
  • a plurality of spray nozzles may be provided, such as a spray nozzle that sprays cleaning foam near the rim 110a of the toilet 110 and a spray nozzle that sprays cleaning foam near the outlet 115 of the toilet 110.
  • the plurality of spray nozzles may be rotated independently or may be rotated in conjunction with each other. Thereby, the cleaning foam can be sprayed on the inner surface of the toilet bowl in a short time.
  • the spray nozzle 550 may be provided with a plurality of discharge ports such as a discharge port for spraying cleaning bubbles near the rim 110a of the toilet 110 and a discharge port for spraying cleaning bubbles near the discharge port 115 of the toilet 110.
  • the cleaning foam can be sprayed on the inner surface of the toilet bowl in a short time.
  • the spray nozzle 550 has been described as an example of a configuration in which the spray nozzle 550 sprays in two locations near the rim 110a of the toilet 110 and near the outlet 115 of the toilet 110, but is not limited thereto.
  • the cleaning foam may be sprayed by the spray nozzle 550 at an intermediate position (height) between the rim 110a of the toilet 110 and the outlet 115. Thereby, generation
  • the sanitary washing device of the present invention includes a toilet seat installed in a toilet bowl, a main body that supports the toilet seat in a tiltable manner, a heat exchanger that heats washing water, and a human body.
  • a cleaning nozzle for cleaning, a foam generating unit for generating cleaning foam, and a spray nozzle for discharging cleaning water or cleaning foam to the inner surface of the toilet bowl are provided.
  • a water discharge amount variable part for changing the flow rate of the cleaning water or the cleaning foam to be sent to the spray nozzle
  • a spray nozzle drive part for rotating the spray nozzle discharge port in a predetermined direction
  • a branch flow path to the spray nozzle to be sent to the spray nozzle.
  • An on-off valve that opens and closes, a control unit, and an operation unit that instructs and sets the control unit. And it is good also as a structure which a control part controls the spraying nozzle 550 so that washing water or a cleaning foam may be sprayed from a spraying nozzle to the area
  • the control unit when the foam (hereinafter referred to as “cleaning foam”) is sprayed from the spray nozzle to the toilet bowl, the control unit applies the cleaning foam according to the area where the height position of the inner surface of the toilet bowl is high or low. Spread and spread almost all around the inner surface of the toilet. Thereby, a foam film can be formed uniformly from the front of the toilet bowl to the inner surface of the rear, and adhesion of dirt can be effectively suppressed.
  • control unit of the sanitary washing device of the present invention rotates the spray nozzle drive unit in the forward and reverse directions while changing the output of the water discharge amount variable unit when spraying the cleaning foam from the spray nozzle to the toilet.
  • a control part may control the direction of the discharge port of a spraying nozzle so that washing
  • the control unit first rotates the spray nozzle drive unit in the forward direction to move the direction of the discharge port of the spray nozzle from the back of the toilet bowl to the front of the toilet bowl and to wash the toilet bowl from the spray nozzle. Apply foam. Thereafter, the spray nozzle driving unit is rotated in the reverse direction, and the direction of the discharge port of the spray nozzle is moved from the rear of the toilet to the front of the toilet and back to the rear of the toilet to spray the cleaning foam from the spray nozzle to the toilet. That is, the cleaning foam is sprayed from the spray nozzle by at least one reciprocating rotational drive on the inner peripheral surface of the toilet bowl.
  • the output of the water discharge amount variable unit is controlled so that the cleaning foam reaches the vicinity of the toilet rim or the draft surface, and the cleaning foam is sprayed from the spray nozzle.
  • cleaning foam can be spread
  • adhesion of dirt can be effectively suppressed.
  • control unit of the sanitary washing device of the present invention cleans the output of the water discharge amount variable unit during the forward rotation of the spray nozzle drive unit from the discharge nozzle discharge port with a lower output than during the reverse rotation of the spray nozzle drive unit. It is good also as a structure controlled so that foam may be discharged.
  • the output of the water discharge amount variable section is weakened and the cleaning foam is sprayed on the side closer to the draft surface inside the rim of the toilet bowl.
  • the output of the water discharge amount variable part is strengthened and the washing foam is sprayed on the side close to the rim of the toilet bowl.
  • the sanitary washing device of the present invention further includes a human body detection sensor that detects entry / exit of the user into the toilet room, and the control unit detects that the user has entered the toilet room.
  • the spray nozzle may be controlled to spray the cleaning foam into the toilet bowl.
  • the cleaning foam is sprayed on the entire inner surface of the toilet in advance. Therefore, before use, it is possible to reliably form a foam film on the inner surface of the toilet and to prevent adhesion of dirt.
  • the foam generating unit of the sanitary washing device of the present invention includes a foam tank in which cleaning water is supplied from the heat exchanger by the water discharge amount variable unit, a detergent pump that supplies the detergent in the detergent tank to the foam tank, and air.
  • An air pump is provided to supply the foam tank.
  • a control part may control a spray nozzle so that washing water or washing foam of a foam tank may be discharged.
  • the spray nozzle drive section is rotated forward and backward to spray the washing bubbles and the like uniformly on the inner surface of the toilet bowl by one reciprocal rotation operation.
  • a foam film can be formed from the front of the toilet on the inner surface of the toilet to the inner surface on the rear, and adhesion of dirt can be suppressed. Therefore, it can be applied not only to the sanitary washing apparatus but also to other uses such as water application equipment including a spray nozzle.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Molecular Biology (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

Cette invention concerne un dispositif de nettoyage hygiénique pourvu d'un échangeur de chaleur (700) pour chauffer l'eau de nettoyage, d'une buse de nettoyage (831), d'une unité de génération de bulles (560) pour générer des bulles de nettoyage, d'une buse de pulvérisation (550) pour décharger les bulles de nettoyage sur une surface interne d'une cuvette de toilette, d'une unité d'entraînement de buse de pulvérisation (550a) pour entraîner la buse de pulvérisation (550), d'un clapet d'ouverture/fermeture (530a) pour ouvrir et fermer un canal d'écoulement de dérivation (530), et d'une unité de commande (130). L'unité de commande (130) entraîne en rotation l'unité d'entraînement de buse de pulvérisation (550a) vers l'avant et vers l'arrière tout en faisant varier la sortie d'une unité de modification de quantité d'eau délivrée (516), et commande la direction d'un orifice de décharge de la buse de pulvérisation (550) de sorte que des bulles de nettoyage sont pulvérisées en au moins une action de pivotement dans deux directions sur toute la périphérie interne de la cuvette de toilette. Un nettoyage hygiénique est ainsi obtenu permettant de former un film de bulles à partir de l'avant jusqu'à l'arrière de la surface interne de la cuvette de toilette, et l'adhésion des taches peut être réduite au minimum.
PCT/JP2016/002325 2015-05-22 2016-05-12 Dispositif de nettoyage hygiénique WO2016189814A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16799529.9A EP3299526B1 (fr) 2015-05-22 2016-05-12 Dispositif de nettoyage hygiénique
CN201680028614.8A CN107614808B (zh) 2015-05-22 2016-05-12 卫生清洗装置
ES16799529T ES2816048T3 (es) 2015-05-22 2016-05-12 Dispositivo de limpieza higiénico
JP2017520218A JP6754951B2 (ja) 2015-05-22 2016-05-12 衛生洗浄装置

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JP2015-104082 2015-05-22
JP2015104082 2015-05-22

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WO2016189814A1 true WO2016189814A1 (fr) 2016-12-01

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JP (2) JP6754951B2 (fr)
CN (1) CN107614808B (fr)
ES (1) ES2816048T3 (fr)
TW (4) TWI727569B (fr)
WO (1) WO2016189814A1 (fr)

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CN109662636A (zh) * 2019-01-25 2019-04-23 科勒(中国)投资有限公司 一种马桶

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JP6937461B2 (ja) * 2017-02-10 2021-09-22 パナソニックＩｐマネジメント株式会社 衛生洗浄装置
CN109183925A (zh) * 2018-08-15 2019-01-11 咸丰武陵生物科技有限公司 一种便器冲水方法、装置及系统
CN109044683B (zh) * 2018-08-26 2021-03-16 张惠丽 一种扫描式便盆冲水机构
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CN109662636A (zh) * 2019-01-25 2019-04-23 科勒(中国)投资有限公司 一种马桶

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EP3299526A4 (fr) 2018-06-27
JPWO2016189814A1 (ja) 2018-03-15
EP3299526A1 (fr) 2018-03-28
TWI727570B (zh) 2021-05-11
TW202018158A (zh) 2020-05-16
TWI682088B (zh) 2020-01-11
TW202018156A (zh) 2020-05-16
TWI727569B (zh) 2021-05-11
JP7022903B2 (ja) 2022-02-21
CN107614808B (zh) 2019-11-01
EP3299526B1 (fr) 2020-07-01
TWI731530B (zh) 2021-06-21
TW201704599A (zh) 2017-02-01
ES2816048T3 (es) 2021-03-31
JP2020079558A (ja) 2020-05-28
JP6754951B2 (ja) 2020-09-16
CN107614808A (zh) 2018-01-19
TW202018157A (zh) 2020-05-16

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