WO2005056926A1 - Dispositif d'affichage d'informations routieres, systeme de surveillance routiere contenant un tel dispositif, et generateur electrique compact associe - Google Patents

Dispositif d'affichage d'informations routieres, systeme de surveillance routiere contenant un tel dispositif, et generateur electrique compact associe Download PDF

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Publication number
WO2005056926A1
WO2005056926A1 PCT/DK2004/000865 DK2004000865W WO2005056926A1 WO 2005056926 A1 WO2005056926 A1 WO 2005056926A1 DK 2004000865 W DK2004000865 W DK 2004000865W WO 2005056926 A1 WO2005056926 A1 WO 2005056926A1
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WO
WIPO (PCT)
Prior art keywords
electrical power
generator
road
connection
display device
Prior art date
Application number
PCT/DK2004/000865
Other languages
English (en)
Inventor
Lars Christensen
Original Assignee
Pl Brake
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 Pl Brake filed Critical Pl Brake
Publication of WO2005056926A1 publication Critical patent/WO2005056926A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
    • E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
    • E01F9/631—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact
    • E01F9/635—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact by shearing or tearing, e.g. having weakened zones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/911—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

Definitions

  • a ROAD INFORMATION DISPLAY DEVICE A ROAD SURVEILLANCE SYSTEM COMPRISING SUCH DEVICE AND A COMPACT ELECTRICAL POWER GENERATOR THEREFORE
  • the present invention relates to a road information display device comprising a display area comprising a plurality of light emitting elements for the display of a multitude of signs, and a compact electrical power generator.
  • the present invention relates to a road surveillance system, comprising at least one road information display device according to the invention, comprising an external communication connection selected from the group consisting of Internet connection, modem connection, telephone connection, wireless radio connection, wireless phone connection and a combination thereof.
  • the present invention relates to a compact electrical power generator suitable for powering said road information display device.
  • road information display devices are available, i.e. fixed or removable road signposts or traffic lights presenting information like local speed limits, prohibitory or mandatory signs, and red, green and yellow signs.
  • Conventional road signs are often provided on a reflector background, which requires a minimum of maintenance.
  • the use of light emitting elements in road signs in the form of LED's has increased due to their present low cost and high efficiency. Accordingly, a problem to be solved is the electrical power supply for such road signs. Solutions to this problem has been suggested by several road sign suppliers by the provision of e.g. batteries and battery charging means, such as solar cell chargers, of which examples may be found in FR 2 748 040, UK-A- 2,397,706, and US 6,053,658.
  • Patent application DE 40 02 337 describes a fixed warning device for alerting cars going the wrong way, such as "ghost-riders", which device comprises a solar cell and battery accumulator provided upon a post having warning lights and further comprises a car direction detector, which is provided away from the warning device. Said warning device is limited in it versatility, because the warning lights and the direction detector must be placed fixedly in relation to each other, i.e. are intended for permanent placement.
  • the aforementioned electrically autonomous road information displays and road surveillance system all suffer from one inherent problem.
  • This problem is the low solar power output from the solar panels provided, which is evident in geographical areas, in which solar light is scarce, e.g. in Denmark, where the weather and seasons reduces the solar light quantity.
  • Solar cells and rechargeable batteries are sufficient for most low current applications in countries with a medium to high solar light input.
  • the known road information displays and road surveillance system are subjected to moisture, overcast skies, wind, extreme temperature fluctuations, and to a high risk of impacts from vehicles, combined with the fact that the available space for the required solar panels is limited, the existing road information displays and road surveillance system are not suitable in these geographical areas.
  • the object of the present invention is how to provide an electrically autonomous road information display device and road surveillance system, which evades the above mentioned problems and provides a durable, safe, and sufficient autonomous electrical supply for the functions of such a device and system.
  • a road information display device comprising a display area comprising a plurality of light emitting elements for the display of a multitude of signs; and a compact electrical power generator connected to said display area; characterized in that the compact electrical power generator comprises a combination of a wind turbine generator and a solar cell generator.
  • a road surveillance system comprising at least one road information display device according to the invention, comprising an external communication connection selected from the group consisting of Internet connection, modem connection, telephone connection, wireless radio connection, wireless phone connection and a combination thereof.
  • the inventive concept underlying the present invention is the provision of a compact electrical power generator suitable for supplying electricity for a road information display device and a road surveillance system according to the invention, said compact electrical power generator comprising a combination of a wind turbine generator and a solar cell generator; in which said solar cell generator is disposed on the exterior surface of said wind turbine generator and has a surface provided with solar cells, which is rotatably mounted for enabling maximum exposure of said solar cells to the available solar radiation, and in which said wind turbine generator is comprising a substantially vertically rotatable shaft provided with at least two radial arms, which distal ends are provided with each their wing element extending with one surface substantially perpendicular to the respective arm, the joint between the distal end of each arm and corresponding wing element being flexible in the rotation plane.
  • a road information display device a road surveillance system and a compact electrical power generator is provided, which provides a durable, safe, and sufficient autonomous electrical supply for the functions of such a device and system.
  • Fig. 1 and 2 are front and side views of a road information display device according to a first embodiment of the invention
  • figs. 3A, 3B, 3C are elevated perspective exploded views of the road information display device of fig. 1 and 2
  • fig. 4 is side view of the wind turbine generator in a device according to the first embodiment
  • fig. 5 is a perspective view from the bottom of the wind turbine generator in fig. 4
  • figs. 6A, 6B, 6C, 6D are front, side, and elevated perspective views, respectively, of a sender unit in a road surveillance system according to the present invention
  • fig. 7 is an elevated perspective view of a road information display device according to a second embodiment of the invention
  • fig. 8 is a parts list for a road information display device according to the invention
  • fig. 9 is a perspective view of a road surveillance system according to the present invention.
  • a road information display device in which said device generally comprises a display area 10, a compact electrical power generator 20, a pole 30 and a battery housing 40, which is adapted for a subsurface arrangement, said battery housing accommodating a battery accumulator (not shown).
  • the display area 10 comprises a background plate 14 provided with a plurality of LED's or light emitting diodes as light emitting elements 12 for display on the front side of the road information display device 1, i.e. the side facing towards an approaching vehicle.
  • the background plate 14 is further provided with a plurality of light emitting elements 12 for display on the back side of the road information display device 1, i.e. the side facing towards a ghost driver or a car in the reverse gear.
  • the emitting light elements are shown, forming the numbers "90".
  • several of the light emitting elements 12 are not shown as they are not emitting light in figure 1.
  • the main part of the background plate is preferably provided with said plurality of light emitting elements, which are individually activatable, in order to enable the road information display device to show different signs, e.g. red, yellow, green light, prohibitory or mandatory traffic signs such as stop, or do not enter.
  • Said display area 10 is protected against environmental influences by a transparent screen element 102, which preferably is provided with venting holes and an inclining surface for the prevention of formation of condensation, by providing a chimney effect, which keeps the transparent screen element substantially mist-free.
  • the background plate 14 texture may be selected from the group consisting of transparent, reflecting, i.e. reflector surface, coloured e.g. grey, black or metal colour and combinations thereof.
  • the individually activated LED's may advantageously be supplied with a double net frequency, i.e. in the order of 100-120 Hz in order to provide a non-flickering sign, in combination with a automatic delay process, such that the time period for a light emitting series is increased from e.g. a series once each 6 seconds to a series once each 30 seconds.
  • Examples of such light emitting signs series are: Blue round flashes continually flashing at a frequency of 4 Hz for indicating an accident area, a yellow arrow downwardly pointing to the right or left at a frequency of 2 Hz or once every 1 second to indicate drive around to the right or left of the sign, red stop sign, continuously flashing at a frequency of 2 Hz or once each second, yellow speed limit indication, e.g. 90 km or mph, continuously flashing at a frequency of 2 Hz or once each second.
  • These signs may advantageously be used when alerting drivers of road conditions ahead, such as traffic lines, accidents, fog, ice, smoke, ghost drivers, and the like.
  • the road information display device 1 further comprises a battery housing 40 accommodating a battery accumulator, said battery housing 40 being adapted for subsurface placement, and a compact electrical power generator 20, where both will be described below, for providing the electrical power to charge said battery accumulator via the preferably hollow pole 30 accommodating the electrical power connections (not shown) there between, said pole 30 being supported by said battery housing 40.
  • Said battery accumulator may be a fuel cell.
  • the road information display device 1 may additionally comprise a connection to the electrical supply net for providing supplemental electrical power, if required.
  • the pole 30 preferably is provided with a breakage point 32 at a predetermined distance from ground level, said distance being laid down in road safety regulations, which breakage point distance for example in Denmark being at least 7 cm above ground level.
  • road safety regulations may be a provision of the total weight of the road information display device 1 being low or reduced by using light weight materials, i.e. aluminium, poly carbonate, plastic composite materials or combinations thereof or other light weight and strong materials for the constituting parts, i.e. the display area 10, the compact electrical power generator 20, and the pole 30.
  • the provision of the battery accumulator under ground is an advantage, because, during impact with a vehicle, this removes a relatively large part of the total mass being encountered by the vehicle from the road sign or display device.
  • no road safety regulations impose limitations upon the maximum weight of the battery accumulator, which increases the power potentially available from said accumulator.
  • the compact electrical power generator 20 is provided in the top part of the road information display device in order to move the centre of mass up along the pole, reducing impact risk to a vehicle and passengers therein, i.e. the display device may be more heavy in the top part. Another advantage provided by such a position of the compact electrical power generator 20 is the improved positioning in relation to maximum solar input and wind action.
  • Said battery housing and battery accumulator are preferably provided with a locking arrangement 70, which locks the battery accumulator in place inside the battery housing for preventing theft of the battery accumulator. Further, a provision may be made for removing the total display device in one handling step by forming the locking arrangement 70 is such a way, e.g. like a cover or lid, that when unlocking the locking arrangement, the assembly comprising the compact electrical power generator 20, the display area 10, the pole 30, and the battery accumulator is easy to lift away from the battery housing 40 remaining in the ground, by suitable lifting devices.
  • the battery accumulator is preferably provided in a self contained, environmental impact protecting battery accumulator unit 420, substantially to protect against humidity and to ease removal of said unit 420, when the battery accumulator needs to be replaced.
  • the battery housing is provided with extendable wings (not shown), which during mounting of the battery housing for attachment to the ground are able to protrude into the surrounding ground. This provides for a securing of the display device and the securing of the relatively heavy battery accumulator below ground level, providing further impact safety for a colliding vehicle.
  • said battery housing 40 or said battery accumulator unit 420 is provided with isolation material, protecting the battery accumulator from sudden and high temperature fluctuations.
  • the compact electrical power generator 20 comprises a combination of a wind turbine generator 22 and a solar cell generator 24, as shown in fig. 1 and 2.
  • the solar cells 242 of the solar cell generator 24 are preferably disposed on the exterior surface of said wind turbine generator 22 for providing maximum solar input exposure.
  • the solar cells and the wind turbine are independently rotatable around a vertical axis, preferably a common vertical axis.
  • said wind turbine generator 22 comprises a substantially vertically rotatable shaft 228 provided with at least two radial arms 2262, which distal ends are provided with each their wing element 226 extending with one surface substantially perpendicular to the respective arm 2262, the joint between the distal end of each arm and corresponding wing element being flexible in the rotation plane.
  • the profile of the wing elements 226 may preferably be substantially a profile termed "neutral”, i.e. the NACA 0012 standard, where reference is made to "Theory of Wing Sections", I. H. Abbott, A. E. Von Doenhoff, Dover Publications Inc. p.
  • wing elements 463 may be provided with rounded edges for preventing injuries if fingers are entered into the path of the rotating wing elements.
  • the wing elements are provided with flyweights for regulation of the power output at high wind speeds to provide a stall function, when a predetermined maximum wind turbine rotation speed is achieved in order to mechanically protect the integrity of the wind turbine, because the wind elements 226 are turned by a maximum wind speed to such a degree in their flexible joints, that they practically deflect the wind power exerted upon them.
  • the flyweights, spring or rubber element and neutral point is adapted for an optimal performance.
  • the wind turbine has a power capacity in it self to be able to supply the main part of the electricity needed during the dark winter in the northern hemisphere (and southern as well).
  • the rotor and generator 26 for the wind turbine are mounted upon the pole and the transmission there between is a non-lubricated toothed wheel gear.
  • the rotatable shaft 228 is provided with an attachment ring 28 and is preferably a hollow extension of the pole 30 for accommodating the electrical line to the battery accumulator, and for providing an advantageous effect of providing further chimney effect and cooling for the electricity line and the solar cell generator.
  • the supporting surface for the solar cells 242 is mounted rotatably upon the pole, and may be provided with a bottom plate for closure. Preferably, said rotating movement may be provided by a step motor (not shown), accommodated under the supporting surface of the solar cells 242.
  • the lower boundary of the solar cell generator 24 preferably rests upon the upper boundary of the wind turbine generator 22, where said boundaries may be integrally formed, where this provides an added advantage of the wing elements 226 of the wind turbine generator 22 is cooling the solar cell generator 24 during rotation of said wind turbine generator by the force exerted by wind upon the wing elements 226, said effect being enhanced by the "chimney effect" of such a combination construction.
  • the upper boundary of the wind turbine may be provided as a plate with a axially upwards extending conical shape for enabling the rotatory movement of the solar cell supporting surface and/or a vibrating action for the wind turbine
  • the solar cells 242 may be mounted on a thin and resilient plastic plate constituting the solar cell support, said plate being provided with cooling ribs (not shown) for an enhanced cooling of the solar cells 242 during maximum solar input periods.
  • the support for the solar cell panel which is providing the top cover for the display device 1 , is also providing an impact dampening buffer block when hit by a vehicle, said support being easily collapsible.
  • the solar cells provided upon said support are sufficient to provide the main part of the electricity needed for supplying the LED's upon the display area during at least the summer in the northern part of Europe, i.e. Denmark.
  • the dimensions of said compact electrical power generator 20 depends upon the power output needed, the availability and cost of the components, and the size of the supporting structure, i.e. a pole or surface of the display device 1.
  • Working first embodiments have been produced resulting in sufficient electricity power having a total dimension in the range of 50-80 cm in height and 50-100 cm in diameter. Other sizes are conceivable, depending on size of display area, i.e.
  • the display area is mountable to a vehicle
  • the compact electrical power generator is placeable upon the vehicle, e.g. as a hood for the roof of the vehicle, where the dimensions of the compact electrical power generator may be 50-100 cm in height and 20-200 cm in diameter.
  • the compact electrical power generator may be provided instead or additionally.
  • the road information display device 1 further comprises processor means (not shown) and storage means (not shown) for processing and storing, respectively, different types of data for the control of the solar cell generator positioning, and for the monitoring of the road and environment conditions in the vicinity of the display device, and the condition of the display device it self.
  • These data may arrive from different optional sensors 50 disposed upon said display device 1, comprising environmental sensor means selected from the group consisting of temperature sensor for the detection of the external temperature, humidity sensor for the detection of the external air humidity, light sensor for the detection of the external light intensity, and combinations thereof, and/or comprising traffic information detector means selected from the group consisting of camera, radar sensor, laser sensor, infrared sensor, and combinations thereof, and/or preset data from a calendar data medium and a timer.
  • the processor means may be a DSP processor or a microcontroller, which is able to control and monitor the battery level, evaluate and process error and vandalism signals from said display device, operate a step motor for rotating said solar cell generator 24 around the vertical axis, said step motor being controlled by said processor means based upon data from said calendar data medium and timer.
  • the storage may be of such a size as to accommodate camera still or moving pictures, or such pictures compressed, and these being entered in a log database.
  • the processor means and the storage may advantageously be provided in the accumulator housing for a protection against the environment.
  • the processor and storage means may be provided with predetermined picture recognition or image processing software, which based on the camera input from one or more camera means such as CCD-chips is able to determined road conditions by selecting information data sets or code sets in said storage describing the road and display device conditions as sensed by said display device, such as the forming of vehicle queues, temperature values, angle of solar cell support, fog, smoke, and conditions advantageously detected by a radar such as snow avalanches and rock slides and velocities of cars approaching or driving away from the display device, etc.
  • the road information display device 1 further comprises an external communication connection selected from the group consisting of Internet connection, modem connection, telephone connection, wireless radio connection, wireless phone connection and a combination thereof. The use of blue tooth technology may be provided.
  • the data being acquired by the display device 1 may be communicated to remotely provided units, such as another road information device or a computer or server being in connection with the Internet or a SMS-server.
  • the display device 1 may use standard external and internal protocols for said communication.
  • Fig. 7 is an elevated perspective view of a road information display device according to a second embodiment of the invention in which the display device 1 comprises a display area 10 comprising a plurality of activated light emitting elements 12, provided on a tripod, and a compact electrical power generator comprising the above described wind turbine 22 and solar cell 24 generators.
  • the battery housing 40 containing the battery accumulator may be provided upon the tripod construction and not be adapted for a ground disposal.
  • fig. 8 is shown a parts list for a road information display device according to the invention as described above for an overview of the parts included.
  • a processor
  • Fig. 9 is showing a schematic perspective view of a road surveillance system comprising at least one road information display device, shown as four such display devices 1, 1 ', 1 ", 1'” according to the invention, comprising an external communication connection selected from the group consisting of Internet connection, modem connection, telephone connection, wireless radio connection, wireless phone connection and a combination thereof.
  • the road surveillance system further comprises at least one sender/receiver unit 2, shown in fig.
  • 6A, 6B, 6C, 6D comprising: an external communication connection selected from the group consisting of Internet connection, modem connection, telephone connection, wireless radio connection, wireless phone connection and a combination thereof; a solar cell generator 24 for the supply of electricity to said sender/receiver unit 2; in which solar cells are disposed on the exterior surface of said sender unit on a supporting surface, which supporting surface is rotatable by a step motor around a vertical axis, said step motor being controlled by a processor means based upon data from a calendar data medium and a timer; a battery housing being arranged for a subsurface placement and accommodating a battery accumulator; said battery housing and battery accumulator being provided with a lock for locking said battery accumulator to said battery housing.
  • an external communication connection selected from the group consisting of Internet connection, modem connection, telephone connection, wireless radio connection, wireless phone connection and a combination thereof
  • a solar cell generator 24 for the supply of electricity to said sender/receiver unit 2; in which solar cells are
  • the communication is advantageously performed wireless and the communicated data is in code, each code describing a specific road or weather condition, and each picture being communicated being compressed.
  • the server unit comprises traffic information data, subscriber data and a communication line in order for said traffic information data to be communicated to a subscriber identified by said subscriber data via said communication line.
  • This data may be sent in the form of a SMS-message to road users via their mobile phone being a subscriber, or via an e- mail to their computer system or the like messages.
  • the road surveillance system comprises one sender/receiver unit 2, the master unit, and several road information display devices 1, the slave units, and one server unit 3, substantially for presenting and storing time interval data sequences from said master and slave units.
  • the server unit 3 may be placed near or at a road safety authority for the provision of real time data and images from the number of display devices provided in said road surveillance system.
  • the data provided to the server unit 3 advantageously comprises the precise coordinates i.e. GPS-coordinates of the road condition or traffic incident being presented by the number of display devices 1, 1',
  • 3 may comprise maintenance data or vandalism data, optionally conditioned by the road safety authority, being directly accessible to the relevant repair shop for immediate repair action. Error or repair messages from the display unit, and check signals to be communicated between units and display devices, may be communicated periodically for example each five seconds. Obviously, the individual units/devices of the road surveillance system must be placed with a distance in between each other and positions in relation to each other to enable an efficient and reliable communication there between. Good working results have resulted from a spacing of approximately 1000 meter, depending on sending power of the transmitter.
  • a compact electrical power generator comprises a combination of a wind turbine generator and a solar cell generator; in which said solar cell generator is disposed on the exterior surface of said wind turbine generator and has a surface provided with solar cells, and in which said wind turbine generator is comprising a substantially vertically rotatable shaft provided with at least two radial arms, which distal ends are provided with each their wing element extending with one surface substantially perpendicular to the respective arm, the joint between the distal end of each arm and corresponding wing element being flexible in the rotation plane.
  • the compact electrical power generator further comprises a battery housing accommodating a battery accumulator. Said battery housing may be arranged for a subsurface placement. Further, said battery housing and battery accumulator are provided with a locking arrangement. Accordingly, a compact electrical power generator is provided, which is able to supply electrical power in a reduced solar light environment, such as the northern hemisphere.
  • the server unit may be integrated with the sender/transmitter unit, the electrical power for the server and/or sender/receiver unit may be supplied from a compact electrical power generator according to the invention, disposed upon or near such unit, the main storage facility for the log containing data, pictures etc. may be located in the serve unit or in the sender/receiver unit.

Abstract

L'invention a trait à un dispositif d'affichage d'informations routières, qui comprend : une zone d'affichage possédant une pluralité d'éléments électroluminescents destinés à afficher une multitude de signes ; et un générateur électrique compact, relié à ladite zone d'affichage. Le générateur électrique compact comprend, combinés l'un à l'autre, un aérogénérateur et une batterie solaire se trouvant sur ledit dispositif d'affichage. L'invention se rapporte également à un système de surveillance routière, qui comprend au moins un dispositif d'affichage d'informations routières selon l'invention, ainsi qu'une liaison de communication externe. Le générateur électrique compact, qui comprend un aérogénérateur et une batterie solaire, est adapté pour fournir de l'électricité à un dispositif d'affichage d'informations routières et à un système de surveillance routière selon l'invention. Par conséquent, l'invention concerne un dispositif d'affichage d'informations routières, un système de surveillance routière et un générateur électrique compact, lequel permet d'obtenir une alimentation en électricité autonome durable, sûre et suffisante pour assurer le fonctionnement d'un tel dispositif et système.
PCT/DK2004/000865 2003-12-15 2004-12-15 Dispositif d'affichage d'informations routieres, systeme de surveillance routiere contenant un tel dispositif, et generateur electrique compact associe WO2005056926A1 (fr)

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WO2009010060A1 (fr) * 2007-07-13 2009-01-22 Lkf Vejmarkering A/S Dispositif émetteur de lumière utilisant un tissu, unité polaire et système permettant de les utiliser
ITVE20090006A1 (it) * 2009-01-26 2010-07-27 Ernesto Frassinelli Generatore elettrico utilizzante fonti energetiche rinnovabili.-
FR2951881A1 (fr) * 2009-10-28 2011-04-29 Pierre Olivier Bertram Module d'energie autonome adapte aux dispositifs et reseaux communicants
DE102011056779A1 (de) * 2011-12-21 2013-06-27 Jenoptik Robot Gmbh Autarke Verkehrsmesseinrichtung
AT513848A4 (de) * 2013-01-03 2014-08-15 Burkhard Mag Strasser Reflektoranordnung
US8872363B2 (en) 2012-05-11 2014-10-28 Bader Abdullah ALMALKI Vehicle movement activated electrical power generator, and method for providing electrical power for roadside applications
KR101698060B1 (ko) * 2015-11-19 2017-01-23 (주)지인테크 모듈형 풍력발전장치
JP2017057697A (ja) * 2015-09-18 2017-03-23 大日本印刷株式会社 融雪機能付ｌｅｄ情報表示パネル及びｌｅｄ情報表示装置
US9734711B2 (en) 2015-05-04 2017-08-15 International Business Machines Corporation Smarter traffic signs
CN113241003A (zh) * 2021-06-07 2021-08-10 陈奖辉 一种节能环保的多功能公交站牌

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009010060A1 (fr) * 2007-07-13 2009-01-22 Lkf Vejmarkering A/S Dispositif émetteur de lumière utilisant un tissu, unité polaire et système permettant de les utiliser
ITVE20090006A1 (it) * 2009-01-26 2010-07-27 Ernesto Frassinelli Generatore elettrico utilizzante fonti energetiche rinnovabili.-
WO2010084418A3 (fr) * 2009-01-26 2011-04-07 Mitterrutzner, Antonio Générateur électrique utilisant des sources d'énergie renouvelable
FR2951881A1 (fr) * 2009-10-28 2011-04-29 Pierre Olivier Bertram Module d'energie autonome adapte aux dispositifs et reseaux communicants
DE102011056779A1 (de) * 2011-12-21 2013-06-27 Jenoptik Robot Gmbh Autarke Verkehrsmesseinrichtung
US9183747B2 (en) 2012-05-11 2015-11-10 Bader A. ALMALKI Warning application systems for vehicle movement activated electrical power generator, and method for providing electrical power
US8872363B2 (en) 2012-05-11 2014-10-28 Bader Abdullah ALMALKI Vehicle movement activated electrical power generator, and method for providing electrical power for roadside applications
US20150123817A1 (en) * 2012-05-11 2015-05-07 Bader A. ALMALKI Warning application systems for vehicle movement activated electrical power generator, and method for providing electrical power
AT513848B1 (de) * 2013-01-03 2014-08-15 Burkhard Mag Strasser Reflektoranordnung
AT513848A4 (de) * 2013-01-03 2014-08-15 Burkhard Mag Strasser Reflektoranordnung
US9734711B2 (en) 2015-05-04 2017-08-15 International Business Machines Corporation Smarter traffic signs
JP2017057697A (ja) * 2015-09-18 2017-03-23 大日本印刷株式会社 融雪機能付ｌｅｄ情報表示パネル及びｌｅｄ情報表示装置
KR101698060B1 (ko) * 2015-11-19 2017-01-23 (주)지인테크 모듈형 풍력발전장치
CN113241003A (zh) * 2021-06-07 2021-08-10 陈奖辉 一种节能环保的多功能公交站牌
CN113241003B (zh) * 2021-06-07 2023-04-14 山东灵通交通设施工程有限公司 一种节能环保的多功能公交站牌

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