WO2003034366A1 - Drahtloses sensorsystem - Google Patents
Drahtloses sensorsystem Download PDFInfo
- Publication number
- WO2003034366A1 WO2003034366A1 PCT/DE2002/003732 DE0203732W WO03034366A1 WO 2003034366 A1 WO2003034366 A1 WO 2003034366A1 DE 0203732 W DE0203732 W DE 0203732W WO 03034366 A1 WO03034366 A1 WO 03034366A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor system
- sensor
- voltage generator
- transmission
- energy
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/041—Controlling the light-intensity of the source
- H05B39/042—Controlling the light-intensity of the source by measuring the incident light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Definitions
- the invention relates to a sensor system that is not connected by wire ( "wireless”), one based on it over ⁇ monitoring system and two uses of the sensor system.
- an automation system for controlling a processing device with a wireless sensor which serves to reduce the installation effort.
- a radio sensor which is operable with a solar cell, optionally in combination with an energy store.
- the sensor system comprises at least one voltage generator for converting non-electrical energy into electrical energy, e.g. As a solar cell, an inductive element or a piezoelectric element. It is therefore no battery to its Be ⁇ drove necessary.
- the voltage generator is at least one energy storage, eg. As an accumulator or a capacitor, connected downstream. At least one voltage converter is connected to the energy store, which converts the stored energy into an output signal suitable for operating a processor control. For example, the voltage converter could cut voltage spikes that damage the processor control .
- At least one sensor is present, which detects the desired state, for. B. a light intensity sensor, a contact sensor or a position sensor.
- at least one transmitter for wireless transmission of transmission telegrams in particular in the form of radio signals available.
- the transmission telegrams can be generated by means of the processor control; they contain at least one measured value of the at least one sensor. But it can also be several readings, z. B. multiple sensors.
- the sensor system also includes a timer circuit which, depending on a state value, for. B. a voltage level, the at least one energy storage can be triggered and the sensor system for transmitting at least one transmission telegram activated after a certain period of time.
- the period of time may be fixed by either the design of the timer circuit or may be variably reset at each activation by the processor circuitry.
- the state of charge of the energy storage can be queried and incorporated into the determination of the transmission frequency per unit time to allow the longest possible service life of the sensor.
- the energy should typically be sufficient to prevent the current timer switching even if there is no external timer. ner power supply, z. B. cloudy and use of a solar cell to operate.
- the senor can also be operated as a voltage generator, because thus the number of components, and thus a susceptibility to errors, is reduced.
- At least one voltage generator is a solar cell, because this allows a year-round energy supply.
- the solar cell is particularly advantageous in the illumination measurement, because it can be used here as a voltage generator and at the same time as an illumination sensor.
- At least one voltage generator is a piezoelectric and / or inductive converter, because such a cheap energy source is available.
- this voltage generator also serves as a sensor for position determination. It is favorable for producing a long service life, if in addition a solar cell is present as a voltage generator.
- the timer circuit is constructed with semiconductor components in ULP (Ultra Low Power) technology.
- the transmission message additionally contains at least one identification code.
- the object is achieved by a monitoring system which contains at least one sensor system as described above and at least one receiving and evaluating system.
- the sensor system transmits information by means of the transmission telegram wirelessly, z. B. via radio, to a power-line receiving and evaluation system on.
- the receiving and evaluation system is z.
- As a lighting control or it contains display elements, bus systems and / or actuators (blind control, etc.).
- the receiving and Auswertystem monitor several sensor systems.
- the object is also achieved by the use of the sensor system and / or the monitoring system for position determination, for. B. of windows, doors and other movable equipment in buildings.
- This use is becoming increasingly important for reasons of safety, energy savings and to increase the comfort in functional buildings, but also in the private residential area.
- the sensor can also be used as a voltage generator, in particular if it contains an inductive or piezoelectric element.
- other elements for example electrostrictive or magnetostrictive elements, are also conceivable.
- the object is also achieved by the use of the sensor system and / or the monitoring system for the illumination message, the voltage generator and the sensor in particular at least partially containing the same solar cell; then the solar cell serves as a combined voltage generator and illumination sensor.
- the illuminance at workplaces, in functional buildings, in private households, in public streets, squares, facilities, etc., is increasingly regulated as a function of daylight incidence in order to achieve optimal lighting quality on the one hand and to save energy on the other hand. With the detection, for example, the lighting can be switched on outdoors or in buildings.
- the sensor or monitoring system is explained in more detail.
- FIG. 1 shows a sensor system for a position detector
- FIG. 2 shows the associated receiving and evaluating system
- FIG. 3 shows a sensor system for a lighting detector.
- FIG. 1 shows a block diagram of a sensor system S for position determination.
- the wireless sensor system S transmits information via radio to typically power grid-connected actuators, bus systems or display elements.
- the energy for operating the sensor system S with associated radio transmitter 5 is supplied from the ambient light and / or from the mechanical movement of the devices to be monitored, so that no battery is required for operation.
- a voltage generator 1 in the form of a solar cell 11 (generally: a photovoltaic element) generates an electrical voltage when the light is incident. This is designed so that even at low illuminance levels already a voltage of about 2 volts is delivered.
- the solar cell 11 is preferably selected to be so small that the processor control 4 can not be operated directly in continuous operation. This is z. B. possible if the low transmission frequency of the sensor system S greatly reduces the energy required, for example, per day to operate. In order nevertheless to obtain as high a power as possible, first an energy store 2, preferably a low-loss capacitor of high capacity or an electrochemical storage cell, is charged with electrical energy.
- the dimensioning is chosen together with the solar cell 11 so that even extreme dark phases, as they can occur for example in winter, can be safely bridged.
- one or more energy converters 2 are additionally used, which control the kinetic energy (thick arrow) of the device to be monitored (eg pressing door handles, opening or closing windows or doors) to supply the sensor system S with energy. convert electrical energy.
- piezoelectric transducers 12, inductive transducers 13 and as their special case a so-called Wiegand element come into consideration.
- a timer circuit 6 is activated, which now activates the entire sensor system S with processor control 4 and transmitter 5 at reasonable intervals.
- the time interval is either fixed by the construction of the timer circuit 6 or set at each activation by the processor controller 4 again.
- the state of charge of the energy storage device 2 can be interrogated and incorporated into the determination of the transmission frequency per unit time to allow the longest possible service life of the sensor system S in dark phases.
- a voltage converter 3 provides the necessary for the operation of the processor controller 4 and conveniently also the transmitter 5 approximately constant voltage during the respective short operating phases.
- the current state of the monitored device is measured by a sensor 7.
- the measurement may, for example, provide binary information (door open or closed, etc.) or one or more analog measurements (opening angle of the window, etc.).
- the result is coded together with an identification number of the sensor system S into a radio transmission telegram which is radiated by the high-frequency transmitter 5 via the connected antenna 51.
- the radio transmission telegram can be structured redundantly to increase the transmission reliability. Instead of a radio transmission, other wireless transmission types can be used, for. B. by means of IR light. It is also preferred if there is a memory circuit 21 which can perform power management.
- the timer circuit 6 is favorably designed for extremely low energy consumption, since it works as a single component stän ⁇ dig. Either an analog or a digital timer circuit 6 is used.
- position indicator 71 all of the processor, e.g. be queried via an A / D converter module queryable sensors 7.
- these are preferably reed contacts, which respond to a magnetic field of a permanent magnet connected to the moving part.
- analog position determinations for example, inductive or rotary angle sensors are suitable.
- the transmitter 5 preferably comprises essentially a transmission stage with a high-frequency oscillator, which can oscillate very quickly. Preferably, it works with an SAW resonator as the frequency-determining component.
- the transmitter 5 is designed for very low power consumption and operates with a comparatively high bandwidth in order to keep the transmission time small. The high bandwidth allows very short transmission times and thus low energy consumption.
- FIG. 2 shows a block diagram of the associated reception and evaluation system R.
- the receiving system consists of a high-frequency receiver 8 and a processor-based signal processing unit 9. It receives the transmitted by the sensor telegrams that are cached and processed.
- the radio signal of the sensor system is typically separated from all the associated radio frequency Receivers 8 received via the antennas 81 and evaluated processor-based. After the evaluation, only the addressed receiver systems react and initiate an action of the alarm transmitters via a suitable coupling 10, control an actuator (eg heating valves when the window is open) or feed the measured data into a bus system, eg. As a PLC bus, for further storage and processing.
- a bus system eg. As a PLC bus
- fault-tolerant transmission methods are preferably used, in particular those with forward error correction or block-oriented redundancy methods.
- Convenient is a way of data encryption.
- ID number and possibly other data such as time u.a.
- the data transmission takes place at fixed or variable time intervals even without a movement of the monitored devices, but can also be triggered in each case by a state change of these devices.
- FIG. 3 shows a block diagram of a lighting sensor system.
- the illuminance at workplaces, in functional buildings, in private households, in public streets, squares, facilities, etc. is increasingly regulated as a function of the daylight incidence in order to achieve optimal lighting quality on the one hand and to save energy on the other hand.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02776766A EP1435079B1 (de) | 2001-10-11 | 2002-10-01 | Drahtloses Sensorsystem |
DE50211615T DE50211615D1 (de) | 2001-10-11 | 2002-10-01 | Drahtloses Sensorsystem |
JP2003537020A JP4824277B2 (ja) | 2001-10-11 | 2002-10-01 | ワイヤレスセンサシステム |
US10/492,327 US7230532B2 (en) | 2001-10-11 | 2002-10-01 | Wireless sensor system |
US11/805,520 US7777623B2 (en) | 2001-10-11 | 2007-05-23 | Wireless sensor system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10150128.5 | 2001-10-11 | ||
DE10150128A DE10150128C2 (de) | 2001-10-11 | 2001-10-11 | Drahtloses Sensorsystem |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/492,327 A-371-Of-International US7230532B2 (en) | 2001-10-11 | 2002-10-01 | Wireless sensor system |
US11/805,520 Continuation US7777623B2 (en) | 2001-10-11 | 2007-05-23 | Wireless sensor system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003034366A1 true WO2003034366A1 (de) | 2003-04-24 |
Family
ID=7702135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/003732 WO2003034366A1 (de) | 2001-10-11 | 2002-10-01 | Drahtloses sensorsystem |
Country Status (5)
Country | Link |
---|---|
US (2) | US7230532B2 (de) |
EP (1) | EP1435079B1 (de) |
JP (1) | JP4824277B2 (de) |
DE (2) | DE10150128C2 (de) |
WO (1) | WO2003034366A1 (de) |
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US11961384B2 (en) | 2019-01-04 | 2024-04-16 | Enocean Gmbh | Device for sensing the activity of people or the status of infrastructures or objects influenced by people |
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CN113574571A (zh) * | 2019-01-04 | 2021-10-29 | 依诺森股份有限公司 | 用于检测人的活动或受人影响的基础设施或物体的状态的装置 |
EP3795786A1 (de) * | 2019-09-17 | 2021-03-24 | Schulte-Schlagbaum Aktiengesellschaft | Glasstürschloss mit autarkem funkmodul |
Also Published As
Publication number | Publication date |
---|---|
US7777623B2 (en) | 2010-08-17 |
DE10150128C2 (de) | 2003-10-02 |
JP2005505872A (ja) | 2005-02-24 |
US20070222584A1 (en) | 2007-09-27 |
EP1435079A1 (de) | 2004-07-07 |
US20050030177A1 (en) | 2005-02-10 |
EP1435079B1 (de) | 2008-01-23 |
DE10150128A1 (de) | 2003-04-30 |
JP4824277B2 (ja) | 2011-11-30 |
US7230532B2 (en) | 2007-06-12 |
DE50211615D1 (de) | 2008-03-13 |
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