WO2012044086A2 - Procédé et appareil de réglage de position de buse et bidet le comprenant - Google Patents

Procédé et appareil de réglage de position de buse et bidet le comprenant Download PDF

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Publication number
WO2012044086A2
WO2012044086A2 PCT/KR2011/007186 KR2011007186W WO2012044086A2 WO 2012044086 A2 WO2012044086 A2 WO 2012044086A2 KR 2011007186 W KR2011007186 W KR 2011007186W WO 2012044086 A2 WO2012044086 A2 WO 2012044086A2
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WO
WIPO (PCT)
Prior art keywords
nozzle
movement
unit
reference point
moving
Prior art date
Application number
PCT/KR2011/007186
Other languages
English (en)
Other versions
WO2012044086A3 (fr
Inventor
Joung-Ho Son
In-Seok Seo
Ki-Chul Kim
Original Assignee
Woongjin Coway Co., Ltd
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 Woongjin Coway Co., Ltd filed Critical Woongjin Coway Co., Ltd
Priority claimed from KR1020110098740A external-priority patent/KR101308121B1/ko
Publication of WO2012044086A2 publication Critical patent/WO2012044086A2/fr
Publication of WO2012044086A3 publication Critical patent/WO2012044086A3/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
    • E03D9/08—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 nozzle position control method and apparatus using a nozzle movement unit and a nozzle movement guide.
  • a bidet is primarily installed in a toilet bowl, and a control panel is provided at a side of a bidet body.
  • the bidet may automatically perform anal cleaning, female genital cleaning, and massage cleaning by spraying washing water through nozzles according to a user s manipulation of the control panel.
  • a cleaning function refers to washing a user s anus with washing water sprayed through nozzles after bowel movement, without toilet paper.
  • a bidet function refers to automatically washing a female user s genitals with washing water.
  • a massage cleaning function refers to moving a bidet nozzle back and forth in a continuous and repetitive manner so as to obtain a massage effect accordingly.
  • a bidet nozzle is provided such that it may be moved back and forth from a bidet body.
  • a spray opening is provided at a front end of the nozzle. Washing water from the nozzle is sprayed through the spray opening. The position of the spray opening needs to be adjusted, depending on a user s body shape.
  • the position of the spray opening is adjusted by moving the position of the nozzle.
  • a nozzle position control function is performed using a stepping motor. The use of the stepping motor, however, may cause an increase in power consumption when measuring the nozzle position and operating the motor.
  • Self-powered bidets or battery-type bidets may use a DC motor to perform a bidet nozzle position control.
  • nozzle position In controlling a nozzle position using the nozzle movement unit, it is most important to determine the nozzle position, as the nozzle position can be accurately controlled when the position of the nozzle to be driven is accurately determined.
  • An aspect of the present invention provides a method and apparatus for controlling a position of a nozzle by accurately measuring an initial position of the nozzle.
  • a nozzle position control method using a nozzle movement unit and a nozzle movement guide including: performing a position resetting process to move the nozzle to one end of the nozzle movement guide by using the nozzle movement unit, and to set the corresponding position of the nozzle as a reference point; performing a movement distance setting process to calculate a movement distance from the reference point to a target position of the nozzle; and performing a nozzle moving process to move the nozzle by the calculated movement distance by using the nozzle movement unit.
  • a nozzle position control method for use in a bidet including: receiving a target position of a nozzle according to an operation mode of the bidet; performing a position resetting process to move the nozzle to one end of a nozzle movement guide by using a nozzle movement unit, and to set a position of the nozzle as a reference point; performing a movement distance setting process to calculate a movement distance from the reference point to the target position of the nozzle; and performing a nozzle moving process to move the nozzle by the calculated movement distance by using the nozzle movement unit.
  • a nozzle position control apparatus including: a nozzle configured to be moved by a driving force of a nozzle movement unit; a nozzle movement guide providing a moving path to the nozzle; a nozzle movement unit applying a driving force to the nozzle according to a control signal; and a control unit outputting, to the nozzle movement unit, a reset control signal for moving the nozzle to a reference point, and a nozzle movement control signal for moving the nozzle to a target position.
  • a position of a nozzle can be accurately measured by forcibly moving an initial position of the nozzle to one end of a guide. Therefore, the position of the nozzle can be accurately controlled.
  • FIG. 1 is a configuration diagram of a nozzle device
  • FIG. 2 is a flow chart illustrating a nozzle position control method according to an exemplary embodiment of the present invention
  • FIG. 3 is a flow chart illustrating a position resetting process of the nozzle position control method, according to an exemplary embodiment of the present invention
  • FIG. 4 is a configuration diagram explaining a case in which a movement distance setting process of the nozzle position control method is applied to a bidet, according to an exemplary embodiment of the present invention
  • FIG. 5 is a configuration diagram of a driving part, explaining a position resetting process and a nozzle moving process of the nozzle position control method, according to an exemplary embodiment of the present invention.
  • FIG. 6 is a functional block diagram explaining the functions of a nozzle position control apparatus according to an exemplary embodiment of the present invention.
  • FIG. 1 is a configuration diagram of a nozzle device.
  • the nozzle device includes a nozzle movement guide 10, a DC servo motor 20, and a nozzle 30.
  • the nozzle movement guide 10 guides the nozzle 30 to move in a straight line, without departing from a moving path, and the DC servo motor 20 generates a driving force to move the nozzle 30.
  • a small DC servo motor 20 is commonly used to control the position of the nozzle 30. Since the DC servo motor 20 is a cheap, mass-produced product, it may be difficult to attach a relatively expensive precise position sensor thereto. Therefore, it is not easy to precisely control the position of the nozzle 30 using the DC servo motor 20. Generally, a variable resistor or a potentiometer sensor may be used in the DC servo motor 20 in order to determine an absolute position of the nozzle 30. However, the above-mentioned sensors may have a measurement error rate of 20% or more due to errors occurring during a sensor manufacturing process. Since the nozzle device is produced and assembled on a mass production basis, an error rate of 10% or more may also occur during a process of assembling the nozzle device, leading to a further increase in the position measurement error.
  • the position of the nozzle may not be normally controlled because the deviation of nozzle position movements may be large in individual products.
  • the nozzle 30 needs to be returned to the original position when the operation using the nozzle 30 is completed.
  • the nozzle 30 may not be returned to the exact original position. Therefore, as the position control of the nozzle 30 is repeated, the inaccuracy of the position control due to the measurement error may be accumulated.
  • FIG. 2 is a flow chart illustrating a nozzle position control method according to an exemplary embodiment of the present invention.
  • a nozzle position control method may include a position resetting process S10, a movement distance setting process S20, and a nozzle moving process S30.
  • the nozzle position control method may be executed using a nozzle device having a nozzle movement unit and a nozzle movement guide 10.
  • the nozzle movement unit may be a driving unit such as a DC servo motor 20.
  • the nozzle movement unit may move the nozzle 30 to one end of the nozzle movement guide 10.
  • the end of the nozzle movement guide 10, at which the nozzle 30 is located, may be set as a reference point.
  • a movement distance from the reference point to a target position may be calculated.
  • the nozzle movement unit may move the nozzle 30 by the calculated movement distance.
  • the nozzle moving control may be performed by a proportional, integral and differential (PID) control.
  • the bidet may use a proportional and differential (PD) control.
  • PD proportional and differential
  • a control method of rapidly moving a nozzle to a target position, while sacrificing a position control precision to a certain extent, may be employed.
  • cheap motors may not obtain a high level of position control precision, even in the case that the PID control is applied.
  • a lot of power may be wasted. Therefore, the use of the PD control may quickly correct errors and minimize overhead.
  • the nozzle position control method includes the position resetting process S10, a certain time for resetting is needed. Therefore, the rapid control may contribute to a user s convenience.
  • the use of the DC servo motor 20 has a problem in that it is difficult to know the initial position of the nozzle 30.
  • This problem may be solved by moving the nozzle 30 to one end of the nozzle movement guide 10. That is, an object having a constant length may be used as a reference, in order to solve the problems of the method of measuring the position of the nozzle 30 by using the position sensor or the like.
  • the nozzle 30 may be accurately controlled by calculating a relative position of a target point from the end of the nozzle movement guide 10.
  • FIG. 3 is a flow chart illustrating the position resetting process of the nozzle position control method, according to an exemplary embodiment of the present invention.
  • the position resetting process S10 may include a low-power driving operation S11 and reference point setting operations S13 and S15.
  • the nozzle movement unit may be driven with a position determination driving force.
  • the position determination driving force may be 60% or less of a maximum driving force of the nozzle movement unit.
  • the nozzle movement guide 10 When the nozzle 30 is moved with excessive power, the nozzle movement guide 10 may be damaged.
  • the position of the nozzle 30 may be measured using a position sensor at regular intervals, and a position variation of the nozzle 10 may be measured based on the measured position of the nozzle 30.
  • a reference variation S13
  • the corresponding position of the nozzle 30 may be set as a reference point (S15). That is, when it is determined that the nozzle 30 has been stopped for a predetermined time interval, it may mean that the nozzle 30 has arrived at one end of the nozzle movement guide 10. Therefore, the corresponding position of the nozzle 30 may be set as the reference point.
  • the predetermined time interval may be 10 ms.
  • the position sensor may be a variable resistor or a potentiometer.
  • FIG. 4 is a configuration diagram explaining a case in which a movement distance setting process of the nozzle position control method is applied to a bidet, according to an exemplary embodiment of the present invention.
  • the target position of the nozzle 30 may be previously set according to an operation mode of the bidet.
  • one end of the nozzle movement guide 10 is set as a reference point P 0 , and positions of a bidet 1-level P 1 , a bidet 2-level P 2 , a bidet 3-level or cleaning 1-level P 3 , a cleaning 2-level P 4 , and a cleaning 3-level P 5 are previously set.
  • the nozzle 30 When a user wants to operate the bidet at the cleaning 2-level P 4 , the nozzle 30 is moved to the reference point P 0 through the position resetting process S10. In the movement distance setting process S20, a distance from the reference point P 0 to the cleaning 2-level P 4 is set as a movement distance.
  • the reference point P 0 needs to be accurate in order for the movement distance setting. Since the length of the nozzle movement guide 10 is constant, the movement distance may be set accurately.
  • the position of the nozzle 30 may be controlled accurately within a required error range.
  • FIG. 5 is a configuration diagram of a driving part, explaining a position resetting process and a nozzle moving process of the nozzle position control method, according to an exemplary embodiment of the present invention.
  • the DC servo motor 20 as the nozzle movement unit is driven to move the nozzle 30 in a straight line.
  • a gear groove 31 engaged with the nozzle driving gear 21 may be moved in a straight line.
  • the nozzle 30 may be moved by rotating the nozzle driving gear 21 by a set movement distance of the nozzle 30.
  • a rotation angle control of the DC servo motor 20 may be performed by applying an appropriate voltage to the DC servo motor 20 through a pulse width modulation (PWM) control or the like.
  • PWM pulse width modulation
  • the nozzle 30 when the movement of the nozzle 30 to the target position is completed, power may be saved by cutting off the power supplied to the DC servo motor 20.
  • a gear ratio of the DC servo motor 20 to the nozzle driving gear 21 is high.
  • the nozzle 30 is not moved as long as a strong force is applied to the nozzle 30 from the outside. That is, the nozzle 30 may be kept stationary without using separate power.
  • FIG. 6 is a functional block diagram explaining the functions of a nozzle position control apparatus according to an exemplary embodiment of the present invention.
  • a nozzle position control apparatus may include a nozzle movement guide 10, a nozzle movement unit 20, a nozzle 30, and a control unit 40.
  • the nozzle 30 may be moved by the driving of the nozzle movement unit 20.
  • the nozzle movement unit 20 may apply a driving force to the nozzle 30 according to a control signal.
  • the nozzle movement unit 20 may be a driving device such as a DC servo motor.
  • the nozzle movement guide 10 may provide a moving path to the nozzle 30.
  • the nozzle movement guide 10 may guide the nozzle 30 to move along the nozzle movement guide 10 over a predetermined moving path.
  • the control unit 40 may output a reset control signal and a nozzle movement control signal to the nozzle movement unit 20.
  • the reset control signal is used for moving the nozzle 30 to a reference point
  • the nozzle movement control signal is used for moving the nozzle 30 to a target position.
  • the control unit 40 may set the target position of the nozzle 30 with relative coordinates from the reference point. That is, as illustrated in FIG. 4, the target position may be previously set on the nozzle movement guide 10.
  • the respective target positions such as the bidet 1-level, the bidet 2-level, the bidet 3-level, the cleaning 2-level, and so on, may be relatively set based on a distance from the reference point.
  • the control unit 40 may output the reset control signal to the nozzle movement unit 20, and control the nozzle movement unit 20 to move the nozzle 30 to the reference point.
  • the nozzle movement unit 20 may be driven at 60% or less of the maximum driving force and move the nozzle 30.
  • the nozzle 30 may not be moved any further than when the nozzle 30 arrives at one end of the nozzle movement guide 10.
  • control unit 40 may set the corresponding position as the reference point.
  • a position variation of the nozzle 30 When a position variation of the nozzle 30 is equal to or less than a reference variation, it may be determined that the nozzle 10 is not moved any more, and the corresponding position of the nozzle 30 may be set as the reference point. That is, the reference point may be set by determining whether the nozzle 30 has been kept stationary for a predetermined time interval. To detect the movement of the nozzle 30, a position sensor, such as a potentiometer, may be used.
  • the predetermined time interval may be 10 ms.
  • the control unit 40 may calculate a movement distance from the reference point to the target position, and output the nozzle position control signal for controlling the nozzle movement unit 20 to move the nozzle 30 by the calculated movement distance.
  • the control unit 40 may have a resulting value obtained by previously calculating a distance to the target position, and may control the position of the nozzle 30 by using the resulting value.
  • the control unit 40 may use a PID control method to control the position of the nozzle 30.
  • the control unit 40 may also use a PD control method. If the PD control method is used, a slight normal-state position error may occur. However, there may be no problem when the PD control method is applied to the bidet. In addition, if the PD control method is used, the nozzle 30 may be moved rapidly to target position, even though the position control precision may be slightly sacrificed. Therefore, the PD control method may be more suitable for products such as bidets.
  • the bidet moves the nozzle to one end of the nozzle movement guide 10 by using the nozzle movement unit (for example, the DC servo motor 20) (S10). If the nozzle 30 is moved to one end of the nozzle movement guide 10, the nozzle 30 moves into a maximally advanced state.
  • the nozzle movement unit for example, the DC servo motor 20
  • a distance from the cleaning 1-level (P 3 ) position to the reference point P 0 is set as a movement distance (S20).
  • the nozzle movement unit is moved through the PD control by the set movement distance (S30).
  • the nozzle 30 may be fixed by cutting off power supplied to the nozzle movement unit.
  • a bidet according to an exemplary embodiment of the present invention may include the nozzle position control apparatus, a toilet seat, and a water supply unit.
  • the nozzle position control apparatus may include a nozzle, a nozzle movement guide, a nozzle movement unit, and a controller. Since the nozzle position control apparatus has been described above, a detailed description thereof will be omitted.
  • the toilet seat may have a space for the accommodation of the nozzle position control apparatus, and may allow a user to sit thereon.
  • a user may use the bidet while sitting on the toilet seat, and the toilet seat may provide a space for the accommodation of the nozzle position control apparatus.
  • An interface unit allowing a user to control the operation of the bidet may be provided at one side of the toilet seat.
  • the water supply unit may supply washing water to the nozzle. Washing water supplied by the water supply unit may be sprayed through a spray opening formed at a front end of the nozzle.
  • the water supply unit may change a water spray pressure according to a control signal.

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

Abstract

La présente invention se rapporte à un procédé et à un appareil de réglage de position de buse, utilisant une unité de déplacement de buse et un guide de déplacement de buse. Un procédé de réglage de position de buse selon l'invention consiste : à accomplir une étape de réinitialisation de position consistant à déplacer une buse vers l'une des extrémités d'un guide de déplacement de buse au moyen d'une unité de déplacement de buse, et à définir la position correspondante de la buse en tant que point de référence ; à accomplir une étape de réglage de distance de déplacement consistant à calculer une distance de déplacement entre le point de référence et une position cible de la buse ; et à accomplir une étape de déplacement de buse consistant à déplacer la buse selon la distance de déplacement calculée au moyen de l'unité de déplacement de buse.
PCT/KR2011/007186 2010-09-30 2011-09-29 Procédé et appareil de réglage de position de buse et bidet le comprenant WO2012044086A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2010-0095512 2010-09-30
KR20100095512 2010-09-30
KR10-2011-0098740 2011-09-29
KR1020110098740A KR101308121B1 (ko) 2010-09-30 2011-09-29 노즐 위치 제어 장치, 노즐 위치 제어 방법 및 상기 노즐 위치 제어 장치를 포함하는 비데

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WO2012044086A2 true WO2012044086A2 (fr) 2012-04-05
WO2012044086A3 WO2012044086A3 (fr) 2012-06-21

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017193113A1 (fr) * 2016-05-06 2017-11-09 Whole Bath, Llc Système de siège et de couvercle doté d'unités de médicament
US10519644B2 (en) 2016-05-06 2019-12-31 Whole Bath, Llc Dynamic drying mechanism for a wash and clean system
US10526774B2 (en) 2016-05-06 2020-01-07 Whole Bath, Llc Spraying nozzle apparatus
US10563390B2 (en) 2017-12-19 2020-02-18 Whole Bath, Llc Wash and clean apparatus
EP3542004A4 (fr) * 2016-05-06 2020-09-02 Whole Bath, LLC Système de siège et de couvercle doté d'unités de médicament
US10869583B2 (en) 2016-07-16 2020-12-22 Whole Bath, Llc Wash, clean and dry system with removable spray canister device
US10982422B2 (en) 2016-08-11 2021-04-20 Whole Bath, Llc Wash system with a cleanser assembly
US11242192B2 (en) 2019-05-30 2022-02-08 Whole Bath, Llc Spray canister device
US11253114B2 (en) 2016-05-06 2022-02-22 Whole Bath, Llc Wash, clean and dry system with removable spray canister device
US11445869B2 (en) 2019-07-15 2022-09-20 Bemis Manufacturing Company Toilet seat assembly
US11479957B2 (en) 2016-05-06 2022-10-25 Bemis Manufacturing Company Medicine delivery, wash, clean and air dry system
US11739516B2 (en) 2019-07-15 2023-08-29 Bemis Manufacturing Company Toilet seat assembly
US12017840B2 (en) 2023-05-08 2024-06-25 Bemis Manufacturing Company Spray canister device

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KR200411529Y1 (ko) * 2005-12-29 2006-03-15 임삼균 비데용 노즐
KR100607581B1 (ko) * 2003-06-14 2006-08-02 (주)씨엔에스 비데의 노즐위치 제어방법
KR100661390B1 (ko) * 2004-07-27 2006-12-27 (주)씨엔에스 비데의 세척노즐 구동장치
EP2022901A1 (fr) * 2006-05-31 2009-02-11 Panasonic Corporation Mécanisme de séchage et appareil de rinçage sanitaire le comportant

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
KR100607581B1 (ko) * 2003-06-14 2006-08-02 (주)씨엔에스 비데의 노즐위치 제어방법
KR100661390B1 (ko) * 2004-07-27 2006-12-27 (주)씨엔에스 비데의 세척노즐 구동장치
KR200411529Y1 (ko) * 2005-12-29 2006-03-15 임삼균 비데용 노즐
EP2022901A1 (fr) * 2006-05-31 2009-02-11 Panasonic Corporation Mécanisme de séchage et appareil de rinçage sanitaire le comportant

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11479957B2 (en) 2016-05-06 2022-10-25 Bemis Manufacturing Company Medicine delivery, wash, clean and air dry system
US10519644B2 (en) 2016-05-06 2019-12-31 Whole Bath, Llc Dynamic drying mechanism for a wash and clean system
US10526774B2 (en) 2016-05-06 2020-01-07 Whole Bath, Llc Spraying nozzle apparatus
EP3542004A4 (fr) * 2016-05-06 2020-09-02 Whole Bath, LLC Système de siège et de couvercle doté d'unités de médicament
US10912878B2 (en) 2016-05-06 2021-02-09 Whole Bath, Llc Seat and cover system with medical units
WO2017193113A1 (fr) * 2016-05-06 2017-11-09 Whole Bath, Llc Système de siège et de couvercle doté d'unités de médicament
US11253114B2 (en) 2016-05-06 2022-02-22 Whole Bath, Llc Wash, clean and dry system with removable spray canister device
US11825992B2 (en) 2016-05-06 2023-11-28 Bemis Manufacturing Company Wash, clean and dry system with removable spray canister device
US10869583B2 (en) 2016-07-16 2020-12-22 Whole Bath, Llc Wash, clean and dry system with removable spray canister device
US10982422B2 (en) 2016-08-11 2021-04-20 Whole Bath, Llc Wash system with a cleanser assembly
US10563390B2 (en) 2017-12-19 2020-02-18 Whole Bath, Llc Wash and clean apparatus
US11242192B2 (en) 2019-05-30 2022-02-08 Whole Bath, Llc Spray canister device
US11685594B2 (en) 2019-05-30 2023-06-27 Bemis Manufacturing Company Spray canister device
US11739516B2 (en) 2019-07-15 2023-08-29 Bemis Manufacturing Company Toilet seat assembly
US11445869B2 (en) 2019-07-15 2022-09-20 Bemis Manufacturing Company Toilet seat assembly
US12017840B2 (en) 2023-05-08 2024-06-25 Bemis Manufacturing Company Spray canister device

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