EP3559615A1 - Système de détection ayant une cellule solaire - Google Patents

Système de détection ayant une cellule solaire

Info

Publication number
EP3559615A1
EP3559615A1 EP17828708.2A EP17828708A EP3559615A1 EP 3559615 A1 EP3559615 A1 EP 3559615A1 EP 17828708 A EP17828708 A EP 17828708A EP 3559615 A1 EP3559615 A1 EP 3559615A1
Authority
EP
European Patent Office
Prior art keywords
sensor
solar cell
actuator
sensor system
housing
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.)
Withdrawn
Application number
EP17828708.2A
Other languages
German (de)
English (en)
Inventor
Dietmar Weisser
Martin Götz
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.)
Marquardt GmbH
Original Assignee
Marquardt GmbH
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 Marquardt GmbH filed Critical Marquardt GmbH
Publication of EP3559615A1 publication Critical patent/EP3559615A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/028—Constructional details using a charging unit or battery

Definitions

  • the invention relates to a sensor system according to the preamble of patent claim 1.
  • Such a sensor system is particularly suitable for optically operating sensors.
  • Such a sensor system comprises a sensor for measuring a measured variable, in particular a medium, and / or an actuator for outputting information. Furthermore, the sensor system comprises a solar cell for powering the sensor and / or the actuator for its operation.
  • the solar cell has a carrier, wherein an active layer for generating energy, in particular of electric current, is applied to the carrier with incident light.
  • the sensor and the solar cell are arranged separately from each other to prevent their mutual interference.
  • this requires a large-scale sensor system.
  • the invention has for its object to further develop the sensor system such that its size is reduced.
  • the sensor system should be able to be provided substantially completely with the active layer in a compact size.
  • the active layer has a recess.
  • the sensor and / or the actuator is arranged facing the recess.
  • the sensor system according to the invention provides a high power generation with a minimum area for the active layer and / or the carrier, and thus a largely self-sufficient power supply, with no impairment of the sensor and / or actuator functions are to be feared. Further embodiments of the invention are the subject of the dependent claims.
  • the recess facing arrangement of the sensor may be provided that the sensor can be brought into contact and / or in cooperation with the medium.
  • the medium may be electromagnetic radiation, i.
  • the sensor works with electromagnetic radiation.
  • the electromagnetic radiation may be light radiation, infrared (IR) radiation or the like.
  • IR infrared
  • Such a sensor can be used in a variety of applications, for example, the sensor may be a brightness sensor, a motion sensor or the like.
  • the inventive design ensures that the sensor function is not affected by the solar cell.
  • the information may be an alarm.
  • the actuator may comprise a sound generator, a loudspeaker, a buzzer, a light signal transmitter or the like.
  • the embodiment of the invention also ensures that the actuator function is not affected by the solar cell.
  • the carrier can be made of glass.
  • the surface of the carrier may be at least partially provided with an antireflection coating.
  • an antireflection coating For example, offers a matting for this. It can further easily in a way to the recess
  • the corresponding breakthrough be located in the carrier to further improve access to the sensor and / or actuator.
  • the sensor and / or the actuator can in turn be arranged facing in the opening and / or the opening.
  • To extend the opening angle of the breakthrough may have a chamfer and / or a rounding, so that the access for the medium to the sensor and / or actuator is improved.
  • a housing may be provided.
  • the solar cell can be arranged on one side of the housing. This arrangement can be designed so that the solar cell simultaneously forms a wall for the housing, whereby costs are saved.
  • the sensor may be a sensor for measuring a measured variable of light radiation.
  • the sensor may be arranged in the housing such that light passes from the outside of the housing through the recess and / or the opening to the sensor.
  • a battery can be in electrical connection with the solar cell.
  • the battery can be charged by means of the energy generated by the solar cell.
  • the sensor and / or the actuator can be operated with the energy stored in the battery, so that failures of the sensor system with low and / or lack of illumination, for example, at night, are prevented.
  • a radio system for transmitting data for the sensor system may be provided.
  • the measured value of the measured variable can then be transferred without the need for complex wiring of the sensor system.
  • the radio system can also be used for external control of the
  • Radio system is located in the housing. An additional power supply is not necessary for the radio system if the radio system can be supplied with energy from the battery and / or from the solar cell for its operation. In an advantageous embodiment, a completely self-sufficient sensor system is created in such an embodiment.
  • Solar cells are mostly used to make devices with low energy requirements independent of an external power supply.
  • buffer accumulators are used to the absence of the sun, for example, at night, cloudy o.
  • various sensor modules are increasingly provided with solar cells. An integrated radio module can then ensure that the sensor module provides its determined data wirelessly and thus can operate completely independently.
  • solar cells made of amorphous silicon are used.
  • This type of solar cell consists of a thin "photovoltaic" layer, which is applied to a carrier material, which is usually glass, with the glass side facing the light
  • the solar cell it is common for the solar cell to be aligned in the direction of the light source.
  • Room wall the solar cell is therefore in the direction of the room, and not in the direction of the ceiling and / or room wall, aligned.
  • a sensor it may become necessary for a sensor also to be oriented in the same "viewing direction.” This applies, for example, to optical sensors, such as brightness sensors and / or motion sensors
  • aesthetics and / or energy requirements may require nearly the entire area of the sensor module to be photovoltaic-coated, but the thin silicon photovoltaic layer does not allow light to pass through to a brightness sensor, which is absorbed or reflected.
  • no infrared radiation can pass through the glass to a PIR (Passive Infrared) motion detector, which is absorbed or reflected.
  • PIR Passive Infrared
  • the sensor module should comprise a motion detector and / or light sensors.
  • the sensor module should offer the possibility of a breakthrough for a sound generator. For example, it may be at the
  • Sensor module to act a smoke detector with glass optics.
  • the solution according to the invention provides that at the required locations the solar-active layer is subsequently removed from the substrate or not applied at all.
  • the substrate also openings for sensors and / or sounder can be introduced.
  • the edges can be provided with phases and / or curves for design requirements.
  • the surface of the solar cell can also be provided with an AR (antireflection) coating, eg a matting, in order to avoid disturbing reflection.
  • the surface of the sensor system does not require separate zones for the solar cells. This achieves an optically uniform surface.
  • an integration of the solar active surface as a design element for the sensor system can take place. Furthermore, this offers
  • the solar cell can simultaneously serve as a housing wall for the sensor system, which involves the saving of an additional cover. In addition, no additional assembly steps for the solar cells are necessary, which also involves a cost savings.
  • Fig. 1 is a arranged on the ceiling of a house sensor system in perspective
  • FIG. 3 is a section along the line 3-3 in FIG. 1, FIG.
  • 4a is a section along the line 4-4 in Fig. 1, wherein the sensor is omitted
  • 4b is a section along the line 4-4 in Fig. 1, wherein the sensor is shown schematically
  • FIG. 5a shows a section as in Fig. 4a according to a further embodiment
  • FIG. 5b shows a section as in Fig. 4b according to the further embodiment
  • Fig. 6 is a section as in Fig. 5b according to yet another embodiment and
  • Fig. 7 is a plan view of the sensor system in the direction VII of Fig. 3 seen according to a further embodiment.
  • FIG. 1 shows a sensor system 2 arranged on the ceiling 1 in a room.
  • the sensor system 2 is, for example, a motion detector operating with electromagnetic radiation.
  • the sensor system 2 has a housing 3, wherein the housing 3 according to FIG. 2 can be fastened to the ceiling 1.
  • a sensor 4 for measuring a measured variable, in particular the measured variable of a medium.
  • the medium is the electromagnetic radiation, that is to say in particular light, infrared (IR) radiation or the like, optical radiation.
  • the sensor system 2 may have an actuator 5 for outputting information.
  • the actuator 5 may be a sound generator, a loudspeaker, a buzzer, a beacon or the like, so that an alarm can be generated as information to be output.
  • Power supply of the sensor 4 and / or the actuator 5 is arranged, whereby the sensor 4 and / or the actuator 5 by means of the energy generated by the solar cell 6 is operable.
  • the solar cell 6 is arranged on one side of the housing 3, specifically on the side facing the room, so that the solar cell 6 also serves as a corresponding housing wall.
  • An in Fig. 3 only schematically illustrated, located in the housing 3 battery 7 is in electrical communication with the solar cell 6, such that the Battery 7 can be charged by means of the energy generated by the solar cell 6.
  • the sensor 4 and / or the actuator 5 are operable with the stored energy in the battery 7, so that the sensor system 2 is operable even in the dark and / or lack of light.
  • the solar cell 6 comprises a carrier 8 made of glass and a photovoltaically active layer 9.
  • the active layer 9 applied to the carrier 8 serves to generate energy, namely electrical current, with incident light.
  • the active layer 9 has a recess 10.
  • the sensor 4 and / or the actuator 5 are arranged facing the recess 10. In such a way that the measurement of the measured variable by means of the sensor 4 and / or that the output of the
  • the senor 4 can be brought into contact and / or in interaction with the medium uninfluenced.
  • the recess 10 in the active layer 9 is also closer in Fig. 4a and the recess 10 facing sensor 4 in Fig. 4b to see.
  • a breakthrough 11 corresponding to the recess 9 can be located in the carrier 8, as shown in FIG. 5a.
  • the sensor 4 and / or the actuator 5 can then be arranged in the opening 3 and / or the opening 1 1 facing in the housing 3, as shown in Fig. 5b.
  • the sensor 4 may be a sensor for measuring a measured variable of
  • a first light beam 12 penetrates the glass carrier 8 and passes to the photovoltaic active layer 9, where the light beam 12 is absorbed to generate energy.
  • a second light beam 13 penetrates the carrier 8 made of glass at the recess 10 and / or penetrates the carrier 8 at the aperture 11 according to FIG.
  • a third light beam 14 is reflected as shown in FIG. 4b on the existing glass carrier 8, for example, if it is light in the IR (infrared) range.
  • the surface of the carrier 8 may be at least partially provided with a matting serving as an antireflection coating, which is not shown further.
  • the aperture 11 may have a chamfer 15 and / or a rounding.
  • the breakthrough 1 1 may consist of a bore with chamfer 15 or without bevel 15 in the glass substrate of the carrier 8.
  • Fig. 7 an embodiment can be seen in which the glass for the carrier 8 is provided with curves 16 instead of corners.
  • a bore with chamfer as a breakthrough 11 for a motion detector 17 in the manner of a PIR (passive infrared) sensor, another breakthrough 1 1 as a sound opening for a speaker and / or buzzer (Buzzer) 18 and another opening as
  • Recess 10 in the photovoltaic Itaisch active layer 9 for a brightness sensor 19 is provided.
  • a radio system 20 is provided for the transmission of data.
  • the radio system 20 is located in the housing 3 and is powered by the battery 7 and / or by the solar cell 6 with energy for its operation. With the aid of the radio system 20, the value of the measured variable measured by the sensor 4 can then be transmitted wirelessly for further processing.
  • Such a sensor system 2 works
  • the invention is not limited to the described and illustrated embodiment. Rather, it also encompasses all expert developments within the scope of the invention defined by the claims. Thus, the invention can not only for a motion detector but also for other, a solar cell and sensors and / or actuators combining sensor systems, in particular in which light substantially unimpaired by the solar cell pass from and / or reach the sensor and / or actuator, for example in a smoke detector, find use.
  • Reference Number List : ceiling (from room)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Burglar Alarm Systems (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

L'invention concerne un système de détection (2) comprenant un capteur (4) servant à mesurer une grandeur de mesure d'un milieu et/ou un actionneur (5) servant à délivrer des informations. Le système de détection (2) comporte une cellule solaire (6) servant à fournir de l'énergie au capteur (4) et/ou à l'actionneur (5) pour leur fonctionnement. La cellule solaire (6) comprend un support, une couche active destinée à générer de l'énergie, en particulier du courant électrique, étant appliquée au support en cas de lumière incidente. La couche active comporte un évidement (10). Le capteur (4) et/ou l'actionneur (5) sont disposées en regard de l'évidement (10), en particulier, de telle sorte que le capteur (4) puisse être amené en contact avec le milieu et/ou que la délivrance de l'information au moyen de l'actionneur (5) ne soit pas perturbée.
EP17828708.2A 2016-12-21 2017-12-19 Système de détection ayant une cellule solaire Withdrawn EP3559615A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016015189 2016-12-21
PCT/EP2017/083417 WO2018114870A1 (fr) 2016-12-21 2017-12-19 Système de détection ayant une cellule solaire

Publications (1)

Publication Number Publication Date
EP3559615A1 true EP3559615A1 (fr) 2019-10-30

Family

ID=60955019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17828708.2A Withdrawn EP3559615A1 (fr) 2016-12-21 2017-12-19 Système de détection ayant une cellule solaire

Country Status (3)

Country Link
EP (1) EP3559615A1 (fr)
DE (1) DE102017011673A1 (fr)
WO (1) WO2018114870A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10242443A (ja) * 1997-02-27 1998-09-11 Toshiba Corp 機能集積半導体装置
EP2436237A1 (fr) * 2009-05-27 2012-04-04 Koninklijke Philips Electronics N.V. Détecteur d'occupation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0405150D0 (en) * 2004-03-06 2004-04-07 Astucia Uk Ltd Road traffic monitor
US9338839B2 (en) * 2006-03-28 2016-05-10 Wireless Environment, Llc Off-grid LED power failure lights
DE102007050288A1 (de) * 2007-10-18 2009-04-23 Otto Hauser Halbleiterbauteil
EP2128739A1 (fr) * 2008-05-29 2009-12-02 EM Microelectronic-Marin SA Dispositif de détection de mouvement optique
KR101097199B1 (ko) * 2009-11-18 2011-12-22 주식회사 선진테크 태양전지를 이용한 매립형 조명장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10242443A (ja) * 1997-02-27 1998-09-11 Toshiba Corp 機能集積半導体装置
EP2436237A1 (fr) * 2009-05-27 2012-04-04 Koninklijke Philips Electronics N.V. Détecteur d'occupation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018114870A1 *

Also Published As

Publication number Publication date
DE102017011673A1 (de) 2018-06-21
WO2018114870A1 (fr) 2018-06-28

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