WO2022200080A1 - Procédé de fonctionnement d'un élément capteur à temps de vol, utilisation d'un élément capteur à temps de vol, installation sanitaire et programme informatique - Google Patents

Procédé de fonctionnement d'un élément capteur à temps de vol, utilisation d'un élément capteur à temps de vol, installation sanitaire et programme informatique Download PDF

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Publication number
WO2022200080A1
WO2022200080A1 PCT/EP2022/056335 EP2022056335W WO2022200080A1 WO 2022200080 A1 WO2022200080 A1 WO 2022200080A1 EP 2022056335 W EP2022056335 W EP 2022056335W WO 2022200080 A1 WO2022200080 A1 WO 2022200080A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor element
tof sensor
sanitary facility
tof
sanitary
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2022/056335
Other languages
German (de)
English (en)
Inventor
Krystian PRZIBYLLA
David Mainka
Heiko Schönbeck
Bastian Sobotta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grohe AG
Original Assignee
Grohe AG
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 Grohe AG filed Critical Grohe AG
Priority to EP22714388.0A priority Critical patent/EP4314898A1/fr
Priority to CN202280007383.8A priority patent/CN116547554A/zh
Priority to JP2023536033A priority patent/JP2024513282A/ja
Publication of WO2022200080A1 publication Critical patent/WO2022200080A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4813—Housing arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4865—Time delay measurement, e.g. time-of-flight measurement, time of arrival measurement or determining the exact position of a peak

Definitions

  • the present invention relates to a method for operating a ToF sensor element, use of a ToF sensor element, a sanitary facility and a computer program.
  • An electrically actuatable sanitary fitting with a presence sensor with a long reception range and another sensor with a short range is known, the presence sensor with a long range being designed to switch an electronic control unit from a sleep mode to a working mode when the presence of a user is detected . If this is the case, the short-range sensor can be operated via the control unit and, if necessary, switch the fitting.
  • ToF Time of Flight
  • the short-range sensor can be operated via a battery or an accumulator. In principle, this short-range sensor can also be integrated in the fitting. However, it is also possible for the short-range sensor to be located in the broader area of the sanitary facilities, not near the fitting but, for example, near a door or on the ceiling in the entrance area. In the event of a predetermined detection of the short-range sensor, it can switch the presence sensor from stand-by mode to operating mode. When no user is present, the presence sensor can remain in a stand-by mode and wait for a user to enter the broader area of the sanitary system. If this is the case, the user is first detected by the short-range sensor.
  • the presence sensor is then switched to the operating mode via a corresponding signal from the short-range sensor and can now detect whether the user also appears in the first room area. If this is the case again, the presence sensor can trigger a switching process with which the sanitary system is operated or at least released for operation, e.g. a flush or the water tap is switched on or released for operation so that the water starts to run or is now switched on can.
  • a switching process with which the sanitary system is operated or at least released for operation, e.g. a flush or the water tap is switched on or released for operation so that the water starts to run or is now switched on can.
  • ToF sensors for the battery application require too much energy to carry out continuous measurements.
  • a strategy is needed to reduce the energy demand.
  • a method for operating a ToF sensor element for recognizing a person in a usage area of a sanitary facility which comprises at least the following steps, contributes to this:
  • the method is used to identify a person in the usage area of the sanitary facility.
  • the sanitary facility can be, for example, a water fitting, e.g. B. in the manner of a faucet, a shower, a bathtub, etc.
  • the use area means in particular a (predetermined) surrounding area on or around the sanitary facility, when a person enters (z. B. a hand) the sa nitary Facility switched ready for use and / or (a water delivery) is activated.
  • the detection of entry of the person into this usage area is carried out automatically here with at least one ToF sensor element. It is possible for several ToF sensor elements (connected to one another as an array) to be provided. It is preferable for the detection of a person in the area of use of the sanitary facility to be provided precisely or only a single ToF sensor element.
  • the ToF sensor element enables non-contact detection of presence or measurement of distance to physical objects and people. They measure distance to a target by timing the circulation of photons as they travel from Sensor to the object or to the person and back.
  • the ToF sensor element can be constructed with vertical-cavity surface-emitting lasers (VCSEL) and arrays with single-photon avalanche photodiodes (SPAD: single photon avalanche photodiode).
  • VCSEL vertical-cavity surface-emitting lasers
  • SPAD single-photon avalanche photodiode
  • the ToF sensor element can implement several, for example three, distance mode functions, for example a near, medium and short-range mode.
  • the ToF sensor element can, for example, report distance measurements with a resolution of 1 mm [millimeters] to a higher-level control unit via a digital l 2 C interface, which also serves as a control connection for the sensors.
  • the ToF sensor element is essentially one-dimensional.
  • a single ToF sensor element cannot detect the direction of a one-handed gesture; however, recognition of simple gestures is possible, e.g. B.
  • Single/double tap (hand moves down to touch the ToF sensor element) and/or single/double swipe (hand moves through the detection field of the ToF sensor element).
  • Multiple ToF sensors can be coupled together to capture gestures and movements in multiple dimensions.
  • the at least one ToF sensor element is applied on or to the sanitary facility in such a way that its detection field roughly corresponds to the predetermined area of use or at least partially covers it.
  • ToF functions and/or components at least temporarily (e.g. for sleep mode).
  • - Disable sensor element it is possible to significantly reduce the energy requirement of the ToF sensor element over a longer period of time. It is thus possible, for example, to specify for the ToF sensor element that its detection field is narrowed selectively (temporarily or after a specified time elapses).
  • individual SPADs (sensors) in the array of the ToF sensor element can be switched off using commands.
  • the proximity sensor's SPAD array contains 256 photodiodes in a 16 x 16 array
  • any square or rectangular portion of the array can be activated by such commands.
  • the detection field of the ToF sensor element is reduced and thus the range of use covered by the ToF sensor element is narrowed.
  • the sensor(s) of the ToF sensor element is/are "selectively adjustable" in particular if these individual sensors are switched off/switched off/ can be switched on and/or whose operation is possible with different control signals or currents.
  • a ToF sensor element consists of a sensor network of many individual sensors (e.g. SPAD) and a (single) transmitter diode (e.g. VCSEL, IR or laser diode).
  • At least one function of the ToF sensor element is permanently deactivated when it is arranged on the sanitary facility. For example, it would be possible to permanently switch off unnecessary functions by means of commands via the control unit, taking into account the surrounding situation and/or the probable intensity of use when installing the ToF sensor element. This enables long-term, energy-saving operation of the ToF sensor element (in sleep and wake mode).
  • the "distance measurement” function which is deactivated in this way at least temporarily (in particular during sleep mode), is viewed as a savings potential. Consequently, it is not possible with this deactivated function to determine/calculate the distance to the ToF sensor element.
  • a further possibility of saving energy is that at least the number of activated sensors is or will be set differently.
  • the operation of the at least one transmitting diode is adjusted by means of current duration, current intensity and/or pulse pattern such that it can maintain its (reduced) functionality over a specified period of time with a lower energy requirement.
  • a current state of charge of a battery of the ToF sensor element can be taken into account. This applies in particular if the ToF sensor element is supplied with electrical energy exclusively via a battery. If the state of charge exceeds a first threshold value, at least one other function can be activated. If the state of charge falls below a second threshold value, at least one further function can be deactivated, it being possible for the second threshold value to deviate from the first threshold value.
  • a reduced range of functions of the ToF sensor element be provided in a sleep mode and a full range of functions of the ToF sensor element be provided in a wakeful mode.
  • a ToF sensor element with at least one selectively adjustable sensor for the energy-efficient detection of a person in a usage area of a sanitary facility.
  • a use is proposed that detects a person in a usage area of a sanitary facility exclusively with a single or multiple ToF sensor element(s).
  • a sanitary facility with a usage area wherein the usage area is monitored by at least one ToF sensor element with at least one sensor.
  • the sensor can be operated selectively by means of a control unit, the ToF sensor element being connected (exclusively) to (at least) one battery.
  • the sanitary facility can be set up in such a way that it carries out the method proposed here. It is possible for the method proposed here to be carried out with the sanitary facility disclosed here.
  • Another aspect relates to a computer program that includes instructions that cause the sanitary facility to perform the method steps specified here.
  • the explanations for the further aspects of the invention can be fully referred to.
  • ToF sensor element is particularly useful for detecting people in a washbasin, urinal or toilet. Because of the energy problem, solutions have been given that allow battery operation.
  • Fig. 1 a sanitary facility with a ToF sensor element
  • FIG. 1 shows a sanitary facility 3 with a single ToF sensor element 1.
  • the sanitary facility 3 is designed in the manner of a sanitary fitting which, for example, can discharge water into a washbasin positioned in front of it.
  • the ToF sensor element 1 is arranged in such a way that it can monitor a predetermined area of use 2 of the sanitary facility 3 and in particular detects when a person (or an object) enters the area of use 3 .
  • the sanitary facility 3 with a ToF sensor element 1 (exclusively) with a battery 7 is operated.
  • the ToF sensor element 1 serves to illustrate a possible structure of a ToF sensor element 1, which is suitable for carrying out the method proposed here.
  • the ToF sensor element 1 has, for example, a housing with an interior that is partially delimited by a transparent pane 9 .
  • sensors 4, 5 eg SPAD
  • a (single) transmitter diode 12 eg VCSEL, IR or laser diode
  • the light emitted by the transmitting diode 12 can reflect on various boundary surfaces (eg the pane 9) and/or on the object 8 located in the detection area outside of the ToF sensor element 1.
  • the reflected beams can be detected with a number of sensors, with z . B.
  • first sensors 4 are arranged further away from the transmitting diode 12 than second sensors 5.
  • the number or position of the sensors 4, 5 used can be selected and/or the current duration, current intensity and/or possibly pulse pattern of the transmitting diode 12 can be adjusted .
  • individual functions F1, F2 or measurements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Optical Distance (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

L'invention se rapporte à un procédé de fonctionnement d'un élément capteur à temps de vol (1) permettant de détecter une personne dans une zone d'utilisation (2) d'une installation sanitaire (3), comprenant au moins les étapes suivantes consistant : - à fournir un élément capteur à temps de vol (1) comportant au moins un capteur (4, 5) et au moins une diode émettrice (12) pouvant être actionnée au moyen d'une unité de commande (6), - à faire fonctionner sélectivement l'au moins un capteur (4, 5) ou l'au moins une diode émettrice (12), les fonctions de l'élément capteur à temps de vol (1) non nécessaires étant désactivées ou réduites. L'invention concerne également une utilisation d'un élément capteur à temps de vol, une installation sanitaire et un programme informatique.
PCT/EP2022/056335 2021-03-24 2022-03-11 Procédé de fonctionnement d'un élément capteur à temps de vol, utilisation d'un élément capteur à temps de vol, installation sanitaire et programme informatique Ceased WO2022200080A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP22714388.0A EP4314898A1 (fr) 2021-03-24 2022-03-11 Procédé de fonctionnement d'un élément capteur à temps de vol, utilisation d'un élément capteur à temps de vol, installation sanitaire et programme informatique
CN202280007383.8A CN116547554A (zh) 2021-03-24 2022-03-11 ToF传感器元件的运行方法和用途、卫浴设施和计算机程序
JP2023536033A JP2024513282A (ja) 2021-03-24 2022-03-11 ＴｏＦセンサエレメントを動作させる方法、ＴｏＦセンサエレメントの使用、衛生装置、およびコンピュータプログラム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021107400.2 2021-03-24
DE102021107400.2A DE102021107400A1 (de) 2021-03-24 2021-03-24 Verfahren zum Betrieb eines ToF-Sensorelements, Verwendung eines ToF-Sensorelements, Sanitären Einrichtung und Computerprogramm

Publications (1)

Publication Number Publication Date
WO2022200080A1 true WO2022200080A1 (fr) 2022-09-29

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PCT/EP2022/056335 Ceased WO2022200080A1 (fr) 2021-03-24 2022-03-11 Procédé de fonctionnement d'un élément capteur à temps de vol, utilisation d'un élément capteur à temps de vol, installation sanitaire et programme informatique

Country Status (5)

Country Link
EP (1) EP4314898A1 (fr)
JP (1) JP2024513282A (fr)
CN (1) CN116547554A (fr)
DE (1) DE102021107400A1 (fr)
WO (1) WO2022200080A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024235700A1 (fr) * 2023-05-17 2024-11-21 Grohe Ag Dispositif sanitaire pourvu d'un dispositif de détection

Citations (2)

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Publication number Priority date Publication date Assignee Title
EP3248523A2 (fr) * 2016-05-09 2017-11-29 OP-Hygiene IP GmbH Distributeur de fluide ayant un capteur de proximité de durée de vol
DE102016120016A1 (de) * 2016-10-20 2018-04-26 Aquis Sanitär AG Überwachungsvorrichtung für eine sanitäre Anlage

Family Cites Families (9)

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EP0995127B1 (fr) * 1997-07-18 2002-11-27 Kohler Co. Dispositifs radar pour applications de faible puissance et accessoires de salles de bain
DE102014101190A1 (de) * 2014-01-31 2015-08-06 Huf Hülsbeck & Fürst Gmbh & Co. Kg Montagemodul
US20150268342A1 (en) 2014-03-19 2015-09-24 Masco Canada Limited Time of flight proximity sensor
JP6364960B2 (ja) * 2014-05-27 2018-08-01 住友電気工業株式会社 電波センサ、検知方法および検知プログラム
US20170051481A1 (en) * 2015-08-17 2017-02-23 Zurn Industries, Llc Time-of-Flight Recognition System for a Bathroom Fixture
DE102017129185A1 (de) * 2016-12-19 2018-06-21 Wimtec Sanitärprodukte Gmbh Verfahren zum energieeffizienten Betrieb einer Schaltungsanordnung mit einem Annäherungssensor sowie Annäherungssensoren und Schaltungsanordnungen zum Durchführen dieses Verfahrens
JP6894775B2 (ja) * 2017-06-20 2021-06-30 キヤノン株式会社 測距システム及びその制御方法
US11208798B2 (en) 2018-01-03 2021-12-28 Kohler Co. System and method for touchless actuation of a toilet
JP7061582B2 (ja) * 2019-01-11 2022-04-28 Ｓａｎｅｉ株式会社 自動水栓システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3248523A2 (fr) * 2016-05-09 2017-11-29 OP-Hygiene IP GmbH Distributeur de fluide ayant un capteur de proximité de durée de vol
DE102016120016A1 (de) * 2016-10-20 2018-04-26 Aquis Sanitär AG Überwachungsvorrichtung für eine sanitäre Anlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024235700A1 (fr) * 2023-05-17 2024-11-21 Grohe Ag Dispositif sanitaire pourvu d'un dispositif de détection

Also Published As

Publication number Publication date
DE102021107400A1 (de) 2022-09-29
EP4314898A1 (fr) 2024-02-07
JP2024513282A (ja) 2024-03-25
CN116547554A (zh) 2023-08-04

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