welcome to the world of steinel sensors. 6 european manufacturing sites founded 1959 worldwide sales...
TRANSCRIPT
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Welcome to the world of Steinel Sensors
Welcome to the world of Steinel Sensors
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6 Europeanmanufacturing
sites
Founded1959
WorldwideSales
1.200 Employees
105 Mio. Euro Group Turnover
p. year
Facts about Steinel
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Herzebrock-Clarholz
Leipzig-Mölkau
Einsiedeln
Switzerland
Liberec
Czech Republic
Curtea de Arges
Romania
Chisinau
Moldavia
The Steinel Group
German Quality made in Europe
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6 own subsidaries:
STEINEL (UK) Ltd., United Kingdom
STEINEL America Inc. , U.S.A.
Duvauchel SA, France
I. Müller, Austria
STEINEL Trading SRL, Romania
STEINEL Middle East AG, U.A.E.
Export to 70 countries worldwide
Minneapolis
Peterborough
Lille
Wien
Christian-Brasov
Dubai
Steinel Worldwide Sales
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Steinel Headoffice, Germany
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OverviewDifferent types of sensors
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Motion Detectors - OutdoorsWatching over outdoor areas and buildings, for controlling lights efficiently. Wall, ceiling and corner mounting possible.
Motion Detectors - IndoorsWatching over thoroughfares in buildings, for controlling existing lights efficiently. Wall, ceiling and recessed versions possible.
Presence Detectors - IndoorsUltra-precision surveillance for common and highly frequented areas in buildings. Light only 'ON' when someone is present, automatic constant lighting control and dimming function. Can also control HVAC, KNX or Dali systems.
OVERVIEW
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SensorLights - OutdoorsCombined systems of light plus integrated sensor.
SensorLights - IndoorsCombined systems of light plus sensor for use in buildings, for passageways and corridors, for WCs, cloakrooms, stairwells etc.
Sensor-Switched Floodlights - OutdoorsInstantaneous bright light as soon as movement is detected. LED or halogen, all areas around buildings.
OVERVIEW
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Sensor types
?What technologies are available from Steinel?
PIR vs. HFPIR vs. HF??
?
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PIR Basics
PIR (Pyroelectric Infra Red)
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PIR Basics
• The PIR is a passive system: only a receiver!• The PIR receives infrared rays and therefore only reacts to radiated heat• The PIR is therefore a heat sensor ( pyrosensor )• The PIR sensor needs movment
Pyroelectric infrared motion detectors (PIR): What is important ?
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PIR BasicsWhat is important about the movement?
Tangential movement Radial movement
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Factors that influece the range of a PIR sensor system:PIR Basics
• Size of the object emitting radiation
• Temperature difference between the object emitting radiation and the environment, where the following applies: the greater the temperature difference, the further the reach
• Weather influences such as rain, snow and fog, etc...
• The direction of movement of the object emitting radiation
• The speed at which the object moves through the detection zone
• TIP: Locate PIR sensors with a clear line-of-view of the area to be covered. Place the sensor perpendicular to likely movement, as a person is most easily detected when crossing the boundary between one Fresnel lens element and another.
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PIR LensWhat are the different types of PIR lenses?
Fresnel Lens Sensors Multi-Lens Sensors
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Active area
Infrared radiation from this area is picked up by the pyro detector
Passive area
The detector is „blind“ for this area
Detection segment
Active + passive area}
Segment lens
Pyro detector
Sneak-by protection
(level B)
Angle of coverage
(level A)
Fresnel Lens
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Level B (sneak-by protection)
Level A (Area of coverage)
Range
•Max. 12m ( depending on the premises and surrounding conditions ) - in the tangential walking direction
•To be reduced to up to 2m by pivoting the sensor
•Detection zone individually adjustable by shrouds
130° lens
180° lens
140° lens
Fresnel Lens
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Augustin-Jean Fresnel was a French engineer who contributed significantly to the establishment of the theory of wave optics. Fresnel studied the behaviour of light both theoretically and experimentally. He is perhaps best known as the inventor of the Fresnel lens, first adopted in lighthouses while he was a French commissioner of lighthouses, and found in many applications today.
Fresnel Lens
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Multilens
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Active zone Passive zone
1 Pyrodetector 2 Pyrodetectors 3 Pyrodetectors
Coverage angle 120° Coverage angle 240° Coverage angle 360°
Multilens
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• Angle of aperture: 180°
• Reach selectable to 12 m or 5 m ( depending on the premisses and surrounding conditions )
• Detection zone adjustable by tuning the lens
• Shrouds for precise reach adjustmant
Detection rangePrinciple2 Pyrodetectors
Active zone Passive zone
12 m
5 m
12 m
5 m
Multilens
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Good or bad ?
PIR Sensor placement
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PIR Sensor placement
Good or bad ?
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PIR Sensor placement
Good or bad ?
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HF basics
HF (high frequency)
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HF radar
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HF sensors
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High frequency sensor (HF): What is important ?
HF basics
• The high frequency sensor is an active system: transmitter and receiver!
• The transmitter of the high frequency module sends electromagnetic waves and receives the echo reflected by walls and objects.
• If there is no motion in the detection zone, the reflection echo is constant and the electronics do not switch any light ON
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High frequency sensor (HF): How does it work?
HF basics
The third common tecnnology is high frequency (HF) ultrasound or ultrasonic sensors. HF works exactly the same as a bat's "radar" or a submarine's "sonar." The sensor sends out a high frequency sound wave that bounces around the space and returns to the sensor. Any movement that disturbs the wave activates the sensor. HF sensors can be very sensitive and can read through many materials including the most commonly used interior construction materials and glass. From a human occupancy standpoint, HF's big limitation is that it responds to any motion, not just human presence. For example, an open window and rustling curtains or a moving window shade or, in an office environment a piece of paper coming out of a printer, can activate an HF sensor even if no one is there.
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HF basicsInterference with different materials• Steel concrete (20 cm thick): approx. 90 %
• Sandwich wood wall (8 cm thick): approx. 10 %
• Office cabinetry wall (2 x 40 cm thick): approx 30 %
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Advantages of HF sensors:
HF sensorlights
• No more searching for the switch, Light comes on automatically indoors
• Prompt light in response to movement
• Peace of mind, convenience and energy saving; because of latest HF-Sensor Technology
• Looks like a „normal“ interior lamp, HF-Sensor is concealed behind the glass shade
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Using the right sensor
Motion vs.
presence
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Motion detectors:
Detection: Walking movements
Application: •Indoors and outdoors•Indoors: garages, corridors, storerooms•Outdoors: driveways, entrances, car parks, carports, fronts of buildings•Motion detectors provide convenience, safety and security
Motion vs. Presence detectors
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Presence detectors:
Detection: Even the tiniest movement, also sedentary activities
Application: •Offices, classrooms, conference rooms etc.•High rooms: warehouses, sports halls etc.•Additional control of heating, ventilation, air-conditioning or constant lighting control•Presence detectors provide maximum energy efficiency and convenience
The most important issue for a successful occupancy sensor installation is to understand the strengths and limitations of each type of sensor and to choose the appropriate sensor for the application. Occupancy sensors can save significant amounts of energy and take the human factor out of remembering to turn off the lights, the air conditioner and any other equipment that only needs to be on when there is human presence.
Motion vs. Presence detectors
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Using the right sensor
Application
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Where to put a Steinel sensor or sensor light?
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Thank you!Thank you!