WO2013016748A1 - Réseau pour assurer la communication optique de données pour un dispositif de dosage - Google Patents

Réseau pour assurer la communication optique de données pour un dispositif de dosage Download PDF

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Publication number
WO2013016748A1
WO2013016748A1 PCT/AT2012/000198 AT2012000198W WO2013016748A1 WO 2013016748 A1 WO2013016748 A1 WO 2013016748A1 AT 2012000198 W AT2012000198 W AT 2012000198W WO 2013016748 A1 WO2013016748 A1 WO 2013016748A1
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WO
WIPO (PCT)
Prior art keywords
data communication
network
data
transmitting
receiving
Prior art date
Application number
PCT/AT2012/000198
Other languages
German (de)
English (en)
Inventor
Hans Georg Hagleitner
Original Assignee
Hans Georg Hagleitner
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 Hans Georg Hagleitner filed Critical Hans Georg Hagleitner
Publication of WO2013016748A1 publication Critical patent/WO2013016748A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/1143—Bidirectional transmission
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste, or the like
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • A47K5/1217—Electrical control means for the dispensing mechanism
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/116—Visible light communication

Definitions

  • the invention relates to a network for data communication comprising at least one, preferably exactly one, metering device, in particular a sanitary dispenser, and at least one, preferably exactly one, data communication device, wherein both the at least one metering device and the at least one data communication device at least one transmitting device for transmitting Data and at least one receiving device for receiving data, and these transmitting or receiving devices allow bidirectional communication between the at least one metering device and the at least one data communication device.
  • Dosing devices are devices for the demand-controlled dispensing of products that are used in toilets, washrooms, in washing devices and / or in the kitchen area.
  • the dosing devices are, for example, sanitary dispensers for dispensing soap, towels, toilet paper, fragrances and disinfectants.
  • the present invention is not limited to any particular type of metering device.
  • a prerequisite to achieving these two goals is to provide a quick, easy and inexpensive way of communicating with the dosing devices. It is not only about reading data from the dosing devices, but also data to the dosing devices - e.g. to optimize the delivery parameters - to submit.
  • the present invention thus relates to a bidirectional data communication.
  • WO 2005/065509 A1 describes a network for bidirectional data communication comprising at least one metering device and at least one data communication device.
  • the data is transmitted by infrared radiation.
  • a disadvantage is that only the at least the previously installed metering devices designed for infrared radiation transmitting and receiving device. This means that the previous dosing devices - to build such a network - either replaced by new equipment or must be converted consuming.
  • the present invention has therefore set itself the task of providing a simpler and cheaper compared to the prior art alternative to the construction of a network for data communication comprising at least one metering device and at least one data communication device, in particular including the previously installed metering devices.
  • a basic idea of the invention is thus that bidirectional data communication by means of visible light, i. by means of electromagnetic radiation with a wavelength between 490 and 790 nm, takes place.
  • This basic idea contributes substantially to the solution of the formulated problem, since most of the previously installed metering devices have devices (for example for status display) which in any case operate with visible light and whose functionality can be expanded comparatively easily in terms of data communication.
  • the data communication takes place with pulsed visible light, wherein the pulse duration is preferably in the microsecond range.
  • the network according to the invention consists of a metering device and a data communication device.
  • a computer e.g. in the form of a PC, a notebook, a smartphone or a so-called “mobile device.”
  • the data communication device has at least one interface for data communication with a computer, preferably a USB, serial, WLAN, LAN or BLUETOOTH interface.
  • the data communication device is mobile.
  • a person who is entrusted anyway with the maintenance of the metering devices or the cleaning of the toilet and / or washrooms in a simple manner also take any data communication tasks by the Data communication device carries and holds to carry out the data communication in the vicinity of the metering device.
  • the at least one receiving component of the at least one dosing device and / or the at least one data communication device is a photodiode or a phototransistor, wherein at least one dosing device is a phototransistor and / or a photodiode is preferred in the data communication device.
  • the principle of operation of a photodiode or a phototransistor is the same in principle, except that the phototransistor already has an integrated amplifier circuit for amplifying the measurement signal. This means that the signal of the photodiode usually has to be amplified. Therefore, the data communication device advantageously still comprises an amplifier device.
  • the at least one transmitting component is a light-emitting diode in a technically simple embodiment.
  • a particularly flexible embodiment is characterized in that the Sendepositioned. Receiving devices of the at least one metering device and the at least one data communication device at least one processor and / or logic, preferably a microcontroller, comprise, the task of the processor and / or the logic is essentially to prepare the data packets intended for communication or to evaluate ,
  • a processor or logic offers the possibility of executing different data processing programs in different operating states.
  • logic includes so-called “programmable” SoC systems, where "SoC” is an abbreviation of the English term "system on a chip.”
  • At least one transmitting device and / or the at least one receiving device of the at least one dosing of importance It has been found to be favorable if the at least one transmitting device of the at least one metering additionally as a status indicator and / or the at least one receiving device of the at least one metering device in addition to the measurement of the brightness of the ambient light and / or the detection at least one object, which is located in the vicinity of the metering device serves.
  • the at least one data communication device comprises at least one memory device, at least one display device for visualizing data, at least one, preferably visual, status display device, at least one acoustic signaling device, at least one real-time clock device and / or at least one power supply device.
  • These components essentially serve to increase the ease of use for the user and are particularly relevant with regard to the optional feature of the mobility of the data communication device.
  • the data transmitted in the network may be, for example, counter readings, serial numbers and / or identification numbers, names, error messages, production data and / or information about the voltage state of at least one battery.
  • the data transmitted in the two communication directions can preferably be coded differently, this point also being explained in more detail in the following description of the figures.
  • Fig. 1 is a schematic overview of the network for
  • Fig. 2 is a schematic representation of the essential components in connection with the invention of the metering device and the
  • Fig. 3 is a greatly simplified schematic representation of the essential electronic components of the receiving, the brightness measurement or the
  • Detection device of the metering device 4 is a schematic representation of the timing of the status display of the metering device, the data exchanges with the data communication device, the measurement of the brightness of the ambient light and the detection of an object that is in the vicinity of the metering device,
  • Fig. 5b is a schematic representation of the bit format of
  • Coding method used in the transmission of the data from the data communication device to the dosing device
  • 6 is a schematic representation of the network protocol used for
  • Fig. 7 shows a detail of a schematic cross-sectional view of
  • Dosing device together with a schematic plan view of the data communication device and
  • Fig. 8 shows a detail of a schematically illustrated perspective view of the metering device.
  • Fig. 1 shows a schematic overview of the preferred embodiment of the network 1 for data communication.
  • the network 1 comprises (viewed from left to right) a metering device 2, which is a device for dispensing soap, towel, toilet paper, perfume or disinfectant, a data communication device 3 which is designed to be mobile and a computer 9, which is a PC, a notebook, a smartphone or a so-called “mobile device.”
  • Data can be transmitted in both directions of communication between the dosing device 2 and the data communication device 3, ie bidirectional data communication is possible In the drawing, this is symbolized by arrows and schematically indicated wavefronts by means of visible light L.
  • the distance A is for this data communication n between the metering device 2 and the data communication device 3 a few centimeters.
  • the data communication is made possible by the fact that both the metering device 2 as Also, the data communication device 3 each having a transmitting device 4 or 5 for sending data and a receiving device 6 or 7 for receiving data, wherein the essential components or the operation of these transmitting or receiving devices 4, 5, 6 and 7 based the following figures are explained in detail.
  • the data communication device 3 and the computer 9 can also exchange bidirectional data.
  • the data communication device 3 has an interface 8 which is customarily used by a person skilled in the art for this purpose, for example a USB, a serial, a WLAN, a LAN or a BLUETOOTH interface.
  • the data transmitted in the network 1 between the dosing device 2 and the data communication device 3 or between the data communication device 3 and the computer 9, for example counter readings, serial and / or identification numbers, names, Error messages, production data and / or information about the voltage state of batteries is.
  • FIG. 2 schematically shows the components of the dosing device 2 and the data communication device 3 which are essential in connection with the invention.
  • the receiving devices 6 and 7 each comprise a receiving component PT and PD for converting visible light L into electrical energy
  • the transmitting devices 4 and 5 comprise transmitting components LED1, LED2, LED3a and LED3b for converting electrical energy into visible light L.
  • Dosing device 2 is the receiving component to a phototransistor PT
  • the data communication device 3 to a photodiode PD.
  • the principle of operation of a photodiode PD or a phototransistor PT is the same in principle, except that the phototransistor PT already has an integrated amplifier circuit for amplifying the measurement signal.
  • the data communication device 3 consequently has a corresponding amplifier device 10.
  • the phototransistor PT is designed so that its sensitivity to infrared radiation is greatest, but also visible light L can convert into electrical energy.
  • the photodiode PD has a narrowband sensitivity and essentially converts only visible light L into electrical energy.
  • the transmitting components LED1, LED2, LED3a and LED3b, which are components of the transmitting devices 4 and 5, are light-emitting diodes which emit visible light L.
  • both the transmitting device 4 of the metering device 2 and the transmitting device 5 of the data communication device 3 each comprise two light-emitting diodes LED1 and LED2 or LED3a and LED3b.
  • the transmitting device 4 fulfills a dual function.
  • it also serves as a status indicator.
  • this status display can be displayed, for example, if the donated Good the metering device 2 must be refilled or a battery needs to be renewed. In such cases, the status indicator lights red. If there are no faults and the dosing device 2 is ready for operation at any time, the status indicator lights up green.
  • this two-color status display can be realized technically in that the transmitting device 4 comprises both a red LED LED1 and a green LED2 LED. Alternatively, it may of course also include a two-color LED instead.
  • the transmitting device 5 comprises two light-emitting diodes LED3a and LED3b (which are two identical light emitting diodes) is that in this way the signal strength for the transmission of data from the data communication device 3 can increase to the metering device 2.
  • the receiving components PT and PD for converting visible light L into electrical energy or the transmitting components LED1, LED2, LED3a and LED3b for converting electrical energy into visible light L are electrically both in the case of the metering device 2 and in the case of the data communication device 3 a central processor C1 or ⁇ 02, more specifically connected to a microcontroller.
  • This combination of the receiving or transmitting components with the microcontrollers C1 and pC2 represent the transmitting and receiving devices 4, 5, 6 and 7, which should be indicated in the drawing by means of the four smaller curly brackets.
  • the task of the two microcontrollers pC1 and ⁇ 02 is to prepare or evaluate the data packets intended for the communication. These are - depending on the type of microcontroller pC1 and pC2 - either directly on the microcontrollers or connected to the microcontrollers Memory devices 22 and 11 stored various operating programs for data processing.
  • the transmitting device 4 of the metering device 2 fulfills a multiple function
  • the receiving device 6 of the metering device 2 serves several purposes: it functions not only as a device for receiving data transmitted by means of electromagnetic radiation but also as a brightness measuring device 6 '. for measuring the brightness of the ambient light.
  • this device is moreover also used as a detection device 6 "for detecting at least one object which is located in the vicinity of the dispensing device 2, ie for detecting the hand of a human
  • the data communication device 3 further comprises a display device 12 for visualizing data, a visual status display device 13, an acoustic signaling device 14 (buzzer), a real time clock device 15 as well as a power supply device 16, which comprises a plurality of batteries, as well as the already addressed in connection with FIG. 1 interface 8 for data communication with a computer 9.
  • the metering device 2 also includes several components, such as a motor, sensors, adjustment elements that are commonly used in the prior art to allow the delivery of a sanitary product. These components, which are summarized in the drawing by the reference symbol P, will not be discussed in more detail here, since they do not serve the understanding of the present invention and are already known to a person skilled in the art.
  • the basic electronic structure of the receiving device 6, the brightness measuring device 6 'or the detection device 6 "of the metering device is explained below with reference to FIG essential electronic components required for basic understanding.
  • the central component is a phototransistor PT, which converts visible light and infrared radiation into an analogue electrical signal and forwards this signal to a microcontroller ⁇ 01 for further processing.
  • the phototransistor PT together with the resistor R2 forms a voltage divider, wherein the resistor R2 is connected to the positive voltage supply V + and the emitter of the phototransistor PT to pin 12 of the microcontroller ⁇ 01.
  • this pin is switched to ground GND. Because the pin is not permanently connected to ground GND, it is possible to disable the circuit in periods when it is not needed, thus saving energy.
  • this circuit is now used as a receiving device 6 for receiving data transmitted by means of electromagnetic radiation, the analog signal of the phototransistor PT is read in at pin 4 of the microcontroller ⁇ 01 and sampled in a specific time interval. In this case, sudden increases (positive and negative edges) of this analog value are detected and the time intervals between these increases are converted into a bit pattern (data).
  • the described circuit is used as a brightness measuring device 6 'for measuring the brightness of the ambient light
  • the signal of the phototransistor PT at pin 4 of the microcontroller ⁇ 01 is in turn read in and processed.
  • a special feature is that an average value is determined over several measurements in order to filter out possible disturbances.
  • the brightness value of the ambient light detected in this way can subsequently be used to regulate, for example, the brightness of the status display of the dosing device already mentioned in connection with FIG. 2.
  • This brightness control of the status display is important, for example in hospital rooms, to disturb a patient, staying in the hospital room to avoid at night by flashing the status indicator.
  • the phototransistor PT may finally also be part of a detection device 6 "for detecting at least one object, for example a human hand.
  • the electronic circuit further comprises a light-emitting diode LED4 which emits infrared radiation. An object in the vicinity of the metering device can then be detected as follows:
  • the brightness of the ambient light is measured (in the manner described above).
  • the infrared LED4 is switched on.
  • the two measured values are compared with each other.
  • the two measured values deviate from one another, since part of the infrared radiation is reflected back at the object. This deviation of the measured values is greater, the smaller the distance of the object to the phototransistor PT. If the difference in the measured values exceeds a predetermined limit value, then the dosing device "knows" that an object is in its vicinity, and this information can subsequently be used to activate the dispensing mode.
  • a further preferred embodiment is characterized in that the receiving device 6, the brightness measuring device 6 'and the detection device 6 "are automatically active at predetermined time intervals in the operating state of the metering device and do not have to be activated by operating a mechanical component of the metering device.
  • FIG. 1 How such a timing of the status display of the metering device, the data communication between the metering device and the data communication device, the measurement of the brightness of the ambient light and the detection of an object that is located in the vicinity of the metering may look like, is shown schematically in FIG shown.
  • the time axis extending from left to right is provided with the reference symbol t. Events that are exactly superimposed in the drawing take place simultaneously.
  • As a guide dashed lines are shown.
  • the two light-emitting diodes LED1 and LED2 arranged on the dosing device serve to indicate the status of the dosing device in the colors red and green.
  • one of the two light-emitting diodes LED1 or LED2 (depending on whether there is a malfunction) is switched on at periodic intervals ⁇ 1 for a period of time ⁇ 4.
  • the time interval ⁇ 1 is in the second, the time interval ⁇ 4 in the millisecond range, so that the status of the metering device for a person who is in its vicinity, can be seen by a red or green flashing.
  • the two LEDs LED1 and LED2 are also used, in addition to the status display, to send data D1 to a data communication device. This is achieved by "hiding" the data D1 in the form of a rapid succession of comparatively short pulses of light in the status indication flashing of the two LEDs LED1 and LED2
  • the pulse duration of the data bits is in the microsecond range, thus the data bits for the human eye due to its inertia are not recognizable.
  • the data D1 is preferably sent at the end of a status light signal (in the time window ⁇ 7).
  • the photodiode PD or the amplifier circuit of the data communication device in electrical contact with it is made operational by a start signal preceding the actual data D1 and the data reception of the data D1 in the time window ⁇ 7 allows.
  • data D2 is sent in the reverse direction with the aid of the LEDs LED3a and LED3b from the data communication device to the dosing device.
  • This immediate succession of the "data sending" and “receiving data” events has the advantage that the phototransistor PT of the metering device is automatically placed ready to receive the data D2 immediately after the end of the status light signal, and not specifically by a specific event must be activated.
  • Relative to these three events (display the status of the dosing device, send data D1 and receive data D2), the measurement of the brightness of the ambient light (in the time window ⁇ 5) or the detection of an object (in the time window ⁇ 6) takes place at specific time intervals ⁇ 2 and ⁇ 3 the manner described in connection with FIG. 3 instead.
  • a particular feature is that the data D1 and D2 transmitted in the two directions of communication - that is, the data from the dosing device to the data communication device and in the reverse direction - are coded according to different coding methods.
  • a code is understood to mean a rule for converting data for its transmission.
  • the data D1 transmitted from the dosing device to the at least one data communication device is preferably coded according to the so-called two-phase marking code C1 and the data D2 transmitted from the data communication device to the dosing device is preferably coded according to a coding method C2, which is based on a bit format which is also used in the so-called "KEELOQ PWM TRANSMISSION "format of the company Microchip Technology Inc.
  • the two-phase marking code C1 is explained schematically with reference to FIG. 5a and the coding method C2 with reference to FIG. 5b: the two-phase marking code C1 (better known under the name" Biphase mark ").
  • Fig. 5b is illustrative of the bit format encoding process C2 used in the transmission of the data from the data communication device to the dosing device.
  • one bit consists of three signal units E.
  • the first third of the signal (the first one third of the signal) Signal unit) is always “high”, the third third is always “low”, only the difference in the second third of the signal indicates whether it is a zero bit or a one bit: is the second third "high "encoded, it is a zero bit, it is” low "coded to a one-bit.
  • the data D1 and D2 are not transmitted in isolation, but are integrated into a predetermined network protocol N whose main components are shown schematically in FIG.
  • a start signal N1 is transmitted, with the aid of which - in the case of the data transmission from the metering device to the data communication device - the photodiode or the amplifier circuit of the data communication device is put into operational readiness. This targeted activation of the amplifier circuit serves to reduce the power consumption of the data communication device.
  • N1 To the Start signal N1 is then transmitted with some important information N2 designated by the term "header data”, followed by status bytes N3, the actual data D1 and D2 and a checksum N4, in principle these components are N1, N2, N3 and N4 of the network protocol N are known to a person skilled in the field of information technology and / or telecommunications and therefore need not be explained in detail It should be noted that this network protocol N is used in a similar form for both directions of communication.
  • FIG. 7 shows a section of a schematic cross-sectional representation of the dosing device 2 relevant to understanding the invention, together with a schematic top view of the data communication device 3.
  • the central element for the technical realization of the data communication, the status display, the brightness measuring device and the detection device is a circuit board 20, on which essentially the electronic circuit shown in FIG. 3 and the two light-emitting diodes LED1 and LED2 are arranged.
  • This board 20 is located inside the metering device 2, which is covered by the cover 17 to the outside.
  • a light ring 19 is arranged, which distributes the rather punctiform emitted light homogeneously to a wider area.
  • the two light-emitting diodes LED 3a and LED 3b which are used to transmit data
  • the photodiode PD which is used to receive data.
  • a battery compartment 16 in which the batteries for powering the data communication device 3 are arranged, a USB interface 8, via which the data communication device 3 can exchange data with a computer, a visual status display device 13 and a power button 21.
  • FIG. 8 shows a detail of a schematically illustrated perspective view of a metering device 2 from obliquely below, in which case the metering device 2 is a device for dispensing soap.
  • the soap outlet opening is provided with the reference numeral 23. Concentric with this outlet opening of the light ring 19 is arranged, the Status display of soap dispenser 2 is used. Furthermore, a button 18, which is also used to activate the receiving device, the phototransistor PT and the infrared LED LED4 can be seen on the underside of the soap dispenser 2.

Abstract

L'invention concerne un réseau (1) pour assurer la communication de données, qui comprend au moins un, de préférence précisément un dispositif de dosage (2), en particulier un distributeur sanitaire ainsi qu'au moins un, de préférence précisément un dispositif de communication de données (3), aussi bien le au moins un dispositif de dosage (2) que le au moins un dispositif de communication de données (3) présentant au moins un dispositif émetteur (4, 5) pour envoyer des données (D1, D2) et au moins un dispositif récepteur (6, 7) pour recevoir des données (D1, D2), le dispositif émetteur et le dispositif récepteur (4, 5, 6, 7) permettant une communication bidirectionnelle entre le au moins un dispositif de dosage (2) et le au moins un dispositif de communication de données (3), les dispositifs récepteurs (6, 7) comprenant au moins un composant de réception (PT, PD) pour convertir la lumière visible (L) en énergie électrique et les dispositifs émetteurs (4, 5) comprenant au moins un composant d'émission (LED1, LED2, LED3a, LED3b) pour convertir l'énergie élecrique en lumière visible (L).
PCT/AT2012/000198 2011-08-02 2012-07-27 Réseau pour assurer la communication optique de données pour un dispositif de dosage WO2013016748A1 (fr)

Applications Claiming Priority (2)

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ATA1124/2011 2011-08-02
AT11242011A AT511786A1 (de) 2011-08-02 2011-08-02 Netzwerk zur datenkommunikation

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WO2013016748A1 true WO2013016748A1 (fr) 2013-02-07

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EP3241472A1 (fr) 2016-05-06 2017-11-08 CWS-boco International GmbH Capteur et procédé de détection d'utilisation de ressources dans un distributeur, distributeur, système et procédé de surveillance d'utilisation de ressources dans un distributeur
EP3241470A1 (fr) 2016-05-06 2017-11-08 CWS-boco International GmbH Agencement et procédé pour détecter l'utilisation des ressources dans un distributeur, distributeur et système et procédé de surveillance d'utilisation de ressources dans au moins un distributeur
EP3243415A1 (fr) 2016-05-09 2017-11-15 CWS-boco International GmbH Capteur et procédé de détection d'utilisation de ressources dans un distributeur, distributeur, système et procédé de surveillance d'utilisation de ressources dans un distributeur
EP3243414A1 (fr) 2016-05-09 2017-11-15 CWS-boco International GmbH Agencement et procédé pour détecter l'utilisation des ressources dans un distributeur, distributeur et système et procédé de surveillance d'utilisation de ressources dans au moins un distributeur

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