GB2444734A - Energy efficient road lighting employing presence detection - Google Patents

Energy efficient road lighting employing presence detection Download PDF

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Publication number
GB2444734A
GB2444734A GB0624646A GB0624646A GB2444734A GB 2444734 A GB2444734 A GB 2444734A GB 0624646 A GB0624646 A GB 0624646A GB 0624646 A GB0624646 A GB 0624646A GB 2444734 A GB2444734 A GB 2444734A
Authority
GB
United Kingdom
Prior art keywords
means
lighting
lamp
control means
roadway
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Withdrawn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
GB0624646A
Other versions
GB0624646D0 (en
Inventor
Andrew Robert Linton Howe
Original Assignee
Andrew Robert Linton Howe
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 Andrew Robert Linton Howe filed Critical Andrew Robert Linton Howe
Priority to GB0624646A priority Critical patent/GB2444734A/en
Publication of GB0624646D0 publication Critical patent/GB0624646D0/en
Publication of GB2444734A publication Critical patent/GB2444734A/en
Application status is Withdrawn legal-status Critical

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Classifications

    • H05B47/22
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B37/00Circuit arrangements for electric light sources in general
    • H05B37/02Controlling
    • H05B37/0209Controlling the instant of the ignition or of the extinction
    • H05B37/0227Controlling the instant of the ignition or of the extinction by detection only of parameters other than ambient light, e.g. by sound detectors, by passive infra-red detectors
    • H05B47/105
    • H05B47/19
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies
    • Y02B20/40Control techniques providing energy savings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies
    • Y02B20/40Control techniques providing energy savings
    • Y02B20/44Control techniques providing energy savings based on detection of the user

Abstract

A street lighting system is described that is used to illuminate a roadway and provides significant energy saving through predictive control of the illuminating lights. The system combines object presence detection means, communication means and control means. Predictive illumination is provided for objects passing along the path of the roadway by detecting said objects presence by one or more sensors and passing information to other remotely located control means to illuminate at least one street light in the path ahead.

Description

Energy Efficient Road Ligbting This invention relates to a system for

adaptively controlling lighting, for example road lighting, primarily to optimize the efficient use of electrical energy. The system comprises lighting means, sensor means, communications means and methods of detecting roadway users that require the lighting to be activated. Turning off lighting that is not required by the user, saves energy. The system predicatively turns-on lighting in advance of the arrival of the user and ensures that there is a path lighted in advance of the users movement and then turns-off lighting not required. lo

Pnor Art The use of PIR (presence infra-red) sensors in conjunction with lighting in order to turn-on a light(s) when an object is detected is well known.

Principle problems the invention solves and advantages of existing art The existing art has the detection means, usually presence detection co-located with the lighting unit. In illuminating a roadway for example, this invention provides a system for both locating and defining the direction of movement of the user and controls lighting remotely to illuminate in advance of the arrival of the user so that lighting is provided in front of the users field of view. By adaptively choosing not to illuminate road when there are no objects predicted to use the roadway, electrical energy is saved. This has benefits in both C02 emissions and financial savings.

In the United Kingdom there are approximately 7.5 million lighting units used on the highways and their energy consumption is in excess of 500MW. The average roadway lamp consumes -l 6 of electricity per year, which across the UK is 125 million of electricity.

The potential financial and carbon savings are significant.

Summary of the Invention

A road vehicle, I, is travelling along a roadway, 2. Illumination is provided by means of a lamp standard, 3. The lamp standard, 3, comprises lighting means, 4, communication means, 5, a detection means, 6, and a lamp control means, 7. The detection means, 6, passes data via the communication means to co-located lamp standards, 8. Information on the vehicle's movement is transmitted and when combined with information on the lamp standard's physical position and road configuration, lighting is turned on in advance of the vehicle's presences to provide the vehicle with an illuminated roadway.

When the vehicle has passed and no other vehicles are predicted to pass, then the lamp standard may switch-off the lamp, thus saving electrical energy.

Lamp standards typically have used low pressure sodium lighting (SOX), which has the advantage of very high lumen output per watt of electrical energy, but takes a significant time to heat and achieve full light output. This odium lighting is being replaced by SON (high pressure sodium) and HID (metal halide type), which have significantly better turn-on times.

Fluorescent lighting may also be used with near instantaneous turn-on.. A typical roadway lamp standard may consume -35 to 150 watts of electrical energy, although lamps in-excess of 2000 watts are sometimes used. The turn-on time required to achieve sufficient light output to successfully illuminate the roadway is an important parameter in defining the energy saving of this invention.

The communication means, detection means and lamp control means are typically provided by a single electronics assembly that is placed between the electrical supply and the lamp unit and mounted in a suitable environmental enclosure. This provides an simple to install upgrade path for existing lighting.

In the described invention the communications means is provided by a two way radio link of the Zigbee standard and it is advantageous that the radio aerial is located significantly above ground on the lamp standard. The lamp standards equipped with the communications means provide for a "mesh" type network and this allows data to travel easily along the whole roadway network using many short range (typically less than lOOm) radios. It is possible to propagate information, for instance a network wide turn-on, across the whole mesh from any one location. Similarly information and data, for instance individual lamp failures, can be passed through this mesh network to either one, or more distributed control centres.

Alternative communication methods may be employed, for instance Ethernet, main signalling and optical including infra-red methods are all applicable. In certain circumstances in may be desirable to combine more than one communication methods to overcome interference and provide redundancy against failures.

The invention uses multiple detection means in the system to detect a vehicles presence and more significantly determine its travel direction and speed. Avoidance of false detections is an important feature of the invention. The detection method may be distributed across the system with one or more detection methods located across several different lamp standards being used when the system is making decisions on a vehicle's position and direction and which lamps to illuminate and which lamps to switch off. Possible detection means are well known in the art and are commonly used in highway control. These include: Infra-red presence Motion detection "radars" Inductive loops and proximity sensors Cameras with video processing Ultrasonic "radar" sensors Detecting car headlights Roadway pneumatic pressure sensors The lamp control means provides an electrical switch or relay to control the lamp and processing means that processes the detection data. The processing algorithm computes decisions to switch on the lamp and computes predictive information that may command other lamp standards along the predicted path of the vehicle to turn-on I off. This decision is based on the pre-configured physical configuration of the roadway and the detection inputs.

The lamp control means whilst physically located on a lamp standard, is part of a distributed computing system. The algorithms used to predicatively control the lamps will be obvious to those expereinced in the ait The important feature is that multiple detections, usually from one or more lamp standards are used to control one or mbre lamp standards using the known physical locations of the lamps and road connectivity pattern.

After manufacture each control means will be "un configured" and part of the installation process is to programme each lamps physical location and road "connectivity", together with parameters of likely vehicle speeds and road visibility. Only illuminating the road or roads that are visible to the vehicle's driver is key to saving energy. This installation step is achieved by using a custom software programme run on a laptop PC. This PC communicates with each lamp standard control means by the mesh radio link.

Once configured the system may be adaptively updated, either using the installation means or from one of the distributed control centres. Other "network" control features are available at control centres including but not limited to lamp failures, predictive lamp replacement, system turn-on times depending on "sunset I sunrise" events, override on lamp tum-offs I ons, for example bad weather.

Further it is possible to track vehicles passing through the system and this may be used for crime prevention / detection and perhaps vehicle tolling.

Whilst aimed at control of highway lighting for vehicles the system can be adapted to detect people or other objects and provide a lighted environment around their movement. The system can also be applied to other transport applications, for instance railways, and airports.

Claims (5)

1. .A system for controlling a lighting system combining object presence detection means, communication means and control means, wherein the control means processes information from one or more sensors and passes said information to other remotely located control means to provide "predictive illumination" for objects passing along the path of the object and turning-off illumination lighting when not required by the objects.
2. A system according to claim 1, wherein detection is provided by one or more remotely located sensors.
3. A system according to claim I applicable to illuminations of highways and detecting the presence of vehicles.
4. A system according to claim 1 applicable to illumination of roadways and detecting the presence of predestrians.
5. A system according to claim 1 applicable to both pedestrians and vehicles.
GB0624646A 2006-12-11 2006-12-11 Energy efficient road lighting employing presence detection Withdrawn GB2444734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0624646A GB2444734A (en) 2006-12-11 2006-12-11 Energy efficient road lighting employing presence detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0624646A GB2444734A (en) 2006-12-11 2006-12-11 Energy efficient road lighting employing presence detection

Publications (2)

Publication Number Publication Date
GB0624646D0 GB0624646D0 (en) 2007-01-17
GB2444734A true GB2444734A (en) 2008-06-18

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Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2455504A (en) * 2007-12-10 2009-06-17 Chalmers Richard Butler Dobson Predictive street lighting
EP2160078A1 (en) 2008-08-26 2010-03-03 Panasonic Electric Works Co., Ltd. Illumination system
EP2163812A2 (en) * 2008-09-12 2010-03-17 Barbolight, S.L. Control system for multiple luminaire electrical installations
CN101702857A (en) * 2009-11-20 2010-05-05 宁波澳普网络通信设备有限公司;周尧达 Method for controlling street lamps capable of being controlled by marshalling at random
DE202010000502U1 (en) 2010-03-30 2010-06-02 Micas Ag Traffic area lighting device
US20100148696A1 (en) * 2008-12-17 2010-06-17 Osram Gesellschaft Mit Beschraenkter Haftung Method for controlling the emission behavior of luminaires in an arrangement of a plurality of luminaires, and an arrangement of a plurality of luminaires
ITVI20090046A1 (en) * 2009-03-05 2010-09-06 Aguilera Maria Luisa Sepulveda automatic control method for the optimization of energy efficiency of street lighting systems and related automatic control device
WO2010100586A2 (en) 2009-03-06 2010-09-10 Koninklijke Philips Electronics N. V. Automatically configuring of a lighting
EP2271184A1 (en) * 2009-07-01 2011-01-05 Osram Gesellschaft mit beschränkter Haftung A lighting method and system, for instance for lighting streets and roads
WO2011046464A1 (en) * 2009-10-12 2011-04-21 Beloglovskiy Sergey Yakovlevich Method for organizing energy-saving artificial lighting and intelligent device (embodiments)
EP2320713A2 (en) 2009-11-05 2011-05-11 Teclux OY Networked dynamic street lighting
GB2475724A (en) * 2009-11-27 2011-06-01 Thorpe F W Plc Control of lighting apparatus
ITRA20100001A1 (en) * 2010-01-13 2011-07-14 Valerio Maioli Digiwalk - integrated device for controlling the lighting of pedestrians on the pedestrian crossing
EP2369899A1 (en) 2010-03-25 2011-09-28 Koninklijke Philips Electronics N.V. Method for controlling an outdoor lighting system, a computer program product, a controlling device and an outdoor lighting system
EP2375872A2 (en) 2010-04-12 2011-10-12 Teclux OY Outdoor lighting system
GB2480926A (en) * 2010-06-04 2011-12-07 Richard Harrison Public Space Lighting
WO2012023087A1 (en) 2010-08-16 2012-02-23 Koninklijke Philips Electronics N.V. Multiple radar system
WO2012047395A1 (en) * 2010-10-07 2012-04-12 General Electric Company Outdoor lighting system
DE102010049121A1 (en) * 2010-10-21 2012-04-26 Eduard Siemens Method for lighting e.g. road, involves switching on the lamp on detection of movement of person, and sending message to neighboring lamps through communication unit
CN102448230A (en) * 2011-10-24 2012-05-09 丽水市海威光控科技有限公司 LED (Light Emitting Diode) lighting dimming method for vehicle infrared tracking for highway tunnel
WO2012059842A1 (en) 2010-11-02 2012-05-10 Koninklijke Philips Electronics N.V. Lighting system with radar detection
WO2012047386A3 (en) * 2010-10-07 2012-05-31 General Electric Company Outdoor lighting system
US20120146518A1 (en) * 2010-12-13 2012-06-14 Mark Keating Predicative lighting control system
WO2012085729A1 (en) 2010-12-21 2012-06-28 Koninklijke Philips Electronics N.V. System comprising a plurality of object detection modules
GB2487065A (en) * 2011-01-06 2012-07-11 Ian David Wigglesworth Public lighting system using wireless communication
ES2389531A1 (en) * 2010-04-28 2012-10-29 Universidad De Alcalá Smart automatic ignition system of the lighting of tunnel, highway, highway and road lights.
US8398435B2 (en) 2011-05-05 2013-03-19 General Electric Company Receptacle connector between controller and lighting fixture
US8427076B2 (en) 2007-06-29 2013-04-23 Carmanah Technologies Corp. Intelligent area lighting system
AT509035B1 (en) * 2009-11-11 2013-07-15 Illumination Network Systems Gmbh Lighting device and lighting system
EP2654380A1 (en) * 2012-04-18 2013-10-23 ChengShih University of Science and Technology Lamp with energy saving control
EP2747522A1 (en) 2012-12-20 2014-06-25 Universite De Liege Street lighting control, method, device and system
DE102013002876A1 (en) 2013-02-20 2014-08-21 Audi Ag Method for operating light sources along road, involves switching light sources from dimmed ground state to bright enlightenment state based on distance data of forward way of road user along road
US8864514B2 (en) 2010-10-07 2014-10-21 General Electric Company Controller device
WO2015101647A1 (en) * 2014-01-02 2015-07-09 Koninklijke Philips N.V. Lighting unit, fixture and network
EP2849540A3 (en) * 2013-07-14 2015-08-12 Binder Systems Group GmbH External light and an external lighting system with corresponding external lights
DE202014104825U1 (en) 2014-10-08 2016-01-12 Sick Ag Illumination system for illuminating a route
CN106090779A (en) * 2016-08-02 2016-11-09 苏州光景照明科技有限公司 A kind of self-adjustable automobile-used LED high beam
US9497829B2 (en) 2012-05-02 2016-11-15 Koninklijke Phillips N.V. Methods for adaptively controlling lighting based upon traffic in an outdoor lighting network
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Cited By (70)

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Publication number Priority date Publication date Assignee Title
US8427076B2 (en) 2007-06-29 2013-04-23 Carmanah Technologies Corp. Intelligent area lighting system
GB2455504A (en) * 2007-12-10 2009-06-17 Chalmers Richard Butler Dobson Predictive street lighting
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WO2011046464A1 (en) * 2009-10-12 2011-04-21 Beloglovskiy Sergey Yakovlevich Method for organizing energy-saving artificial lighting and intelligent device (embodiments)
EP2320713A2 (en) 2009-11-05 2011-05-11 Teclux OY Networked dynamic street lighting
AT509035B1 (en) * 2009-11-11 2013-07-15 Illumination Network Systems Gmbh Lighting device and lighting system
CN101702857A (en) * 2009-11-20 2010-05-05 宁波澳普网络通信设备有限公司;周尧达 Method for controlling street lamps capable of being controlled by marshalling at random
GB2475724A (en) * 2009-11-27 2011-06-01 Thorpe F W Plc Control of lighting apparatus
GB2475724B (en) * 2009-11-27 2014-06-18 Thorpe F W Plc Lighting apparatus
ITRA20100001A1 (en) * 2010-01-13 2011-07-14 Valerio Maioli Digiwalk - integrated device for controlling the lighting of pedestrians on the pedestrian crossing
EP2369899A1 (en) 2010-03-25 2011-09-28 Koninklijke Philips Electronics N.V. Method for controlling an outdoor lighting system, a computer program product, a controlling device and an outdoor lighting system
EP3531802A1 (en) 2010-03-25 2019-08-28 Signify Holding B.V. Method of controlling an outdoor lighting system, a computer program product, a controlling device and an outdoor lighting system
WO2011117799A1 (en) 2010-03-25 2011-09-29 Koninklijke Philips Electronics N.V. Method of controlling an outdoor lighting system, a computer program product, a controlling device and an outdoor lighting system
US9386664B2 (en) 2010-03-25 2016-07-05 Koninklijke Philips N.V. Methods of controlling an outdoor lighting system
DE202010000502U1 (en) 2010-03-30 2010-06-02 Micas Ag Traffic area lighting device
EP2373128A3 (en) * 2010-03-30 2014-06-18 Micas Ag Traffic surface lighting device
EP2373128A2 (en) 2010-03-30 2011-10-05 Micas Ag Traffic surface lighting device
EP2375872A2 (en) 2010-04-12 2011-10-12 Teclux OY Outdoor lighting system
ES2389531A1 (en) * 2010-04-28 2012-10-29 Universidad De Alcalá Smart automatic ignition system of the lighting of tunnel, highway, highway and road lights.
GB2480926A (en) * 2010-06-04 2011-12-07 Richard Harrison Public Space Lighting
EP2533613A1 (en) 2010-06-04 2012-12-12 Richard Harrison Public space lighting
GB2480926B (en) * 2010-06-04 2012-11-28 Richard Harrison Public space lighting
WO2012023087A1 (en) 2010-08-16 2012-02-23 Koninklijke Philips Electronics N.V. Multiple radar system
US8864514B2 (en) 2010-10-07 2014-10-21 General Electric Company Controller device
WO2012047386A3 (en) * 2010-10-07 2012-05-31 General Electric Company Outdoor lighting system
CN103229599A (en) * 2010-10-07 2013-07-31 通用电气公司 Outdoor lighting system
WO2012047395A1 (en) * 2010-10-07 2012-04-12 General Electric Company Outdoor lighting system
DE102010049121A1 (en) * 2010-10-21 2012-04-26 Eduard Siemens Method for lighting e.g. road, involves switching on the lamp on detection of movement of person, and sending message to neighboring lamps through communication unit
DE102010049121B4 (en) * 2010-10-21 2014-03-13 Hochschule Anhalt (Fh) Method for illuminating roads, paths, squares or rooms and communication unit for use in the method
US9119243B2 (en) 2010-11-02 2015-08-25 Koninklijke Philips N.V. Lighting system with radar detection
WO2012059842A1 (en) 2010-11-02 2012-05-10 Koninklijke Philips Electronics N.V. Lighting system with radar detection
US20120146518A1 (en) * 2010-12-13 2012-06-14 Mark Keating Predicative lighting control system
US9377558B2 (en) 2010-12-21 2016-06-28 Koninklijke Philips N.V. System comprising a plurality of object detection modules
WO2012085729A1 (en) 2010-12-21 2012-06-28 Koninklijke Philips Electronics N.V. System comprising a plurality of object detection modules
GB2487065A (en) * 2011-01-06 2012-07-11 Ian David Wigglesworth Public lighting system using wireless communication
US8398435B2 (en) 2011-05-05 2013-03-19 General Electric Company Receptacle connector between controller and lighting fixture
CN102448230B (en) 2011-10-24 2013-09-18 丽水市海威光控科技有限公司 LED (Light Emitting Diode) lighting dimming method for vehicle infrared tracking for highway tunnel
CN102448230A (en) * 2011-10-24 2012-05-09 丽水市海威光控科技有限公司 LED (Light Emitting Diode) lighting dimming method for vehicle infrared tracking for highway tunnel
EP2654380A1 (en) * 2012-04-18 2013-10-23 ChengShih University of Science and Technology Lamp with energy saving control
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