930 results about "Street light" patented technology

A solar-powered lighting system includes a flexible, wrap-around, preferably self-stick panel of photovoltaic laminate applied to the outside surface of a light pole. An LED light fixture is connected preferably at or near the top of the pole and has the same or similar diameter as the pole. The LED light fixture has multiple columns and rows of LEDs and an interior axial space for air flow to cool the LEDs. The pole preferably also has vents and axial passage(s) for creating a natural updraft through at least a portion of the pole and the light fixture, for cooling of the photovoltaic panel interior surface, the LEDs, and / or other equipment inside the fixture or pole, and batteries that may be provided inside the pole or pole base. A purely or mainly decorative additional fixture, which emulates conventional outdoor light fixtures, may be provided on the lighting system, wherein the decorative additional fixture includes no, or only a minimal, light source. The lighting system has a sleek profile with few or no protrusions from the sides of the pole and from the LED light fixture, except for the optional decorative fixture that provides a conventional street light appearance even though the main light source is the LED fixture.

A system for charging batteries of electric vehicles from public fixtures such as street lights and parking meters includes modifying the fixture to convert it to a vehicle battery charging station using a power interface module having a novel keyed electrical power output receptacle connectable to power mains powering the fixture. The system includes a complementarily coded, keyed plug which must be inserted into the power output receptacle to access electrical power from the receptacle, the plug being located at the input end of vehicle charger cable terminated at output end thereof by a vehicle-mounted charge control system which will actuate a charging current contactor permitting charging current to flow from the receptacle to batteries within the vehicle only if a pre-paid charge authorization payment device, such as a magnetically or electronically encoded charge card is inserted into a charger station access enable device such as card reader mounted in the vehicle.

A street light includes a base and a light source such as LEDs is connected to a heat dispensing device which is connected to the base. A cover is connected to the base and the at least one light source is located between the base and the cover. A plurality of fins are connected to a top of the base.

A network-controlled charge transfer device for transferring charge between a local power grid and an electric vehicle is mounted to a street light. The charge transfer device includes the following: an electrical receptacle to receive an electrical connector for connection to the electric vehicle; an electric power line that couples the power grid to the electrical receptacle through a wiring box; a control device to switch the receptacle on and off; a current measuring device to measure current flowing through the electric power line; and a controller to operate the control device and to monitor output from the current measuring device.

A device for providing communications through power lines that are communicatively coupled to an electrical distribution network infrastructure and to the internal wiring of at least one customer premises having one or more communication devices therein is provided. One embodiment comprises a coupler configured to be coupled to the electrical distribution network infrastructure, a modem in communication with the coupler to communicate data through the power lines; and a wireless transceiver in communication with said modem. In some embodiments, the electrical distribution network infrastructure may be a structure that uses electricity, such as a street light.

Power over Ethernet power sourcing device is provided inside a light fixture to enable a communications interface and provide electrical power to devices such as cameras, rain sensors, chemical sensors, wireless data uplink units, and other power over Ethernet powered devices. The power over Ethernet system is especially adapted for use in LED street lights and must be able to operate from a wide AC voltage supply range that is typically found in these types of lights.

An LED lamp module for use with a threaded electrical socket connector is provided, which includes an LED light engine with a first electrical connector, a second electrical connector having a first end electrically engagable with the first electrical connector and a second end having a threaded outer surface compatible with a threaded electrical socket connector. The LED lamp module further comprises a sleeve surrounding the first electrical connector and the first end such that the sleeve allows for relative rotation between the first electrical connector and the first end in a loosened state, and restricts relative rotation between the first electrical connector and the first end in a tightened state. A method for installing a retrofit LED lamp module in a housing which physically restricts full rotation of an LED light engine is also provided. The method includes connecting a first electrical connector to a second electrical connector, wherein the first electrical connector is attached to an LED light engine, and wherein the second electrical connector further comprises a first end electrically engagable with the first electrical connector, and a second end having a threaded outer surface compatible with a threaded electrical socket connector. The method further comprises tightening this connection via a sleeve surrounding the first electrical connector and the first end such that the sleeve allows for relative rotation between the first electrical connector and the first end in a loosened state, and restricts relative rotation between the first electrical connector and the first end in a tightened state.

Apparatus and method embedding a camera in a street light includes structure and / or function whereby the street light, comprising has a first compartment having an LED array configured to illuminate an area beneath the street light. A second compartment is coupled to the first compartment and has a camera directed toward the area beneath the street light. The second compartment has a window covering the camera such that the camera can receive light from area beneath the street light, but passers-by do not see the camera. A third compartment is coupled to the second compartment and is configured to attach the street light to a vertical support. A passive air channel is disposed between the first compartment and the second compartment, and is configured to direct air from beneath the street light to the top of the street light. Preferably, the power supply for the LED array is disposed in a compartment different that the first compartment. An anti-glare device is preferably mounted to a bottom of at least one of the first compartment and the second compartment, and is configured to shield the camera from light glare and / or reflections from the LED array.

An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs.

The light distribution region of headlights (12) is divided into a plurality of regions, and each of the divided regions can be irradiated or non-irradiated by light, and the light distribution characteristic can be changed separately for each divided region. The radiation or non-radiation of light to each divided region is controlled by a light distribution control ECU (14). Besides, light reflection / emission regions (hatched portions in FIG. 4) are detected by detecting light regions of reflection, such as white lines, reflectors, etc., and light regions of light emission, such as street lights or the like, are detected. Then, divided regions corresponding to light distribution region irradiated by the headlights (12) which correspond to the detected light reflection / emission regions are specifically determined, and the headlights (12) are controlled so that the light radiated to the specifically determined divided regions 22 becomes dark in light distribution relative to other regions.

A vehicle occupant detection system for acquiring digital images of a region containing a vehicle seat and applying processing of the images to detect the occupant status of the seat, wherein the images are photographed by infra-red light using a camera and infra-red light projection apparatus each located above and ahead of the seat location, whereby the images are unaffected by sunlight, vehicle headlights, or street lights, etc., enabling accurate status detection results to be acquired.

A surveillance system utilizing existing street lighting equipment. In a preferred embodiment, surveillance units include a small camera and a wireless transceiver and a connector that allows the surveillance units to plug into an existing outdoor light in the place of the outdoor lights' photo cells. In this preferred embodiment communication between the lights and the cellular station is at frequencies of about 2.4 GHz and uses the 802.11b protocol that permits transmission of data at up to 11 million bits per second or the 802.11g protocol that permits transmission of data at up to 54 million bits per second. The cellular stations then communicates with the central monitoring station at a frequency range of 71-76 GHz and 81 to 86 GHz that permits transmission of data at about 1.0 billion bits per second. In an example system, with 1,000 surveillance cameras (each camera unit plugged into the photocell receptacle of a street light), 100 camera units communicate with each of 10 cellular stations and the 10 cellular stations communicate with a single central monitoring station.

The present invention discloses an improved renewable energy and rechargeable LED lighting unit having a roadway / street light pole with a polygonal frame member configuration disposed there about. A plurality of solar panels affixed to the polygonal configuration. The solar panels include a plurality of electrical modules that are affixed directly to an interior wall of at least one of the solar panels without interfering with the polygonal frame member when attached. A two-part closure plate arrangement are attached directly to the polygonal frame member and completely enclose and seal the plurality of electrical modules between the frame member and the at least one of the solar panels.

A solar-powered LED street light that can immediately report its power data. The disclosed LED street light has a solar cell, a switch power supply unit, and a power cable data communicating unit. The mains power cable of the LED street light connects to the switch power supply unit for providing it with DC power. The solar cell has a solar board, a battery and a charge controller. The charge controller can also provide the LED street light with DC power. The charge controller has a power data digital output interface for connecting with the power cable data communicating unit, outputting the power data of the solar cell to the power cable data communicating unit. Through the mains power cable, the status of solar cell of each LED lamp is monitored.

An apparatus for providing power to an illumination device includes power produced by a wind turbine and a solar array. The wind turbine may be a vertically oriented curved turbine and the solar array may be a single or a plurality of solar panels. The illumination device, wind turbine and solar array may be employed as a cost efficient substitute for commercially powered street lights and related devices, without any need for trenching commercial power lines or paying for commercial power.

A network using existing streetlights is described. Each street light becomes a node in the network, and each includes a power terminal for receiving electrical power, a light source coupled to the power terminal, a processor coupled to the power terminal, a network interface coupled between the processor and the network of lighting systems, and a sensor coupled to the processor for detecting a condition at the node, and in response providing information about that condition to the processor.

The present invention is directed to a method for remotely monitoring and controlling a light emitting diode. In one embodiment, the method includes establishing a two-way communication path via a communication module to a central office, wherein said communication module is coupled to said LED based street light and sending information related to the LED based street light to the central office via the two-way communication path.

Disclosed herein is an irradiation angle adjuster for a street light which enables one to adjust an angle of light emitted from a lamp. The adjuster includes an arm coupling part, a boss coupling part, a boss, a lamp mounting part and a worm gear. The arm coupling part is coupled to the arm of the street light. The boss coupling part is provided on the arm coupling part. Coupling protrusions are provided at both sides on the boss coupling part. The boss is coupled between the coupling protrusions. Gear teeth are formed on the rear surface of the boss. The lamp mounting part is provided on the front surface of the boss. The lamp is mounted to the lamp mounting part. The worm gear is installed in the boss coupling part and engages with the gear teeth of the boss to transmit rotating force to the boss.

The invention provides a method and a device for detection of a vehicle at night. The method and the device for the detection of the vehicle at night are used for improving accuracy of the detection of the vehicle at night. Correspondingly, the invention further provides a method and a device for tracking of the vehicle at night. The method and the device for the tracking of the vehicle at night are used for improving the accuracy of the tracking of the vehicle at night. The method for the detection of the vehicle at night comprises the steps of calibrating an image of the vehicle and obtaining calibration rate, calculating the connection domain of the image of the vehicle, carrying out car light extraction on the connection domain by means of a taillight model and obtaining effective car lights; and pairing all the effective lights according to the calibration rate and obtaining car light pairs, grouping the car light pairs belonging to the same vehicle and using the taillight in the car light pair as a detection target and carrying out detection. According to the method for the detection of the vehicle at night, the extraction of the car light is innovatively improved, interference to the extraction of the car light of road reflection rays produced by street lights on both sides of a road and reflection rays of the road is reduced, and the accuracy of the detection of the vehicle at night is improved.

The present lighting system adds detection capabilities to perceive the presence and measure the velocity of objects such as automobiles, trucks, pedestrian and other users, to lighting modules for transportation applications like traffic signal, pedestrian control, rails signal, street light, message board and speed monitoring board. For example, a Light Emitting Diode (LED) has the capability to be used as lighting source for illumination as a first function and also be pulsed or modulated as a source for the detection sub-system as a second function.

A road illumination system having sensors detecting approaching vehicles and operating thereupon and via a controller switches associated with street lights is provided herein. The system turns street lights off when no vehicles are present and spares thereby electricity. The system activates the street lights groupwise, to supply enough illumination with a minimal amount and complexity of equipment. The system further has an extended ability to identify malfunctioning and exceptional situations, in which is activates the street lights continuously. The system is a distributed wireless one, and may be configured remotely.

A streetlamp according to the present invention will be turned on under two conditions: (1) when there is insufficient lighting determined by a light sensing system; and (2) when a motion detection system has sensed some disturbance within its coverage range or when a radio reception system has received a radio-frequency signal from a neighboring streetlamp. An illuminating streetlamp will automatically turn itself off after a period of time and if any one of the two conditions is not satisfied.

The invention discloses an automatic extraction technology of street lamp poles based on vehicle laser scanning point clouds. The technology comprises the following steps: carrying out pre-processing including filtering ground points and dividing non-ground points into super-voxel sets; positioning all pole-shaped objects in the scene which might be street lamp poles; carrying out position-oriented segmentation and obtaining the pole-shaped objects; using extracted pole features and global features to describe the pole-shaped objects obtained through segmentation; training random forests and classifier SVMs with manually-labeled training samples, and using the trained random forests and classifier SVMs to classify the pole-shaped objects segmented through the step S3 to identify the street lamp poles. The algorithm of the invention has good robustness under complex environment such as incomplete or obscured street light, and the time complexity of the algorithm is very low, and thus the algorithm can be quickly applied to point clouds of large-scale scenes.

The invention discloses an environmental-data-based lighting system and method for fuzzy control of street lamps in different periods. The system comprises three components: single lamp controllers, a concentrated controller and a remote monitoring center. Combined with ZigBee short-range wireless network technology and GPRS remote wireless network technology, the system and method can achieve remote control on and information exchange among the street lights. In view of the fact that the control strategy for the street light control technology is too simple to meet the requirement of on-demand lighting under complicated and changing environmental factors, the invention provides an environmental-data-based lighting system and method for fuzzy control of street lamps in different periods. In the system and the method, the influencing factors regarding the environmental luminance at dawn and the dusk as well as the vehicles and pedestrians on street in the middle of the night are considered respectively, and through the fuzzy control methods adopted in different periods, it is possible to improve the control precision of the system so as to meet the dual requirement of both lighting quality and power conserving. According to the invention, it is not only possible to realize fuzzy control to the lighting of street lamps in different periods based on environmental data, but also possible to detect the power consumption of each street lamp, the tilting of a lamp post, and the road water in real time.

A system and device for using the power provided to street and area lights or other outdoor installations to power auxiliary devices which require a power supply which is different from line voltage for their power requirements. A device adapted to be connected to the NEMA three pole receptacle on a street or area light which converts the line voltage provided to the outdoor installation into a power form required by one or more auxiliary devices which cannot directly use the line current or voltage. The appropriate electrical connector for the auxiliary device may be included. Among the conversions: line voltage up to 480 volts alternating current converted to a user's specified voltage for WiFi, radios, surveillance cameras, traffic monitoring, other monitoring, security cameras, other communications, and UPS systems; DC voltage for the above applications and others; and power over ethernet conversion (for example, 48 volt direct current, 420 milliamperes).

The present invention refers to a lamp for public lighting system that works with high power LEDs, for the direct substitution of the present sodium vapour or metal halides lamps, using the same light fixtures OV type and / or similar with an integrated power supply and a standard socket Mogul-39 or Edison-39. And that improves substantially my previous invention WO2008100124 as far as the cost of manufacture and easiness of assembly, better luminance distribution; lower operating temperature and more lumens per watt, besides to be prepared for the new generations of LEDs. Characterized by having a standard electrical connector that allows the lamp to be coupled any type of street light fixtures or luminaries; a base within it has a connector to couple it into a dissipating ring that has external and internal teeth to dissipate the heat generated by a power supply used to regulate and to convert the originating electrical energy of the network; a cover to close to the dissipating ring and to protect the electronic board. The Lamp of high power LEDs has a heat dissipating platform equipped with heads with external and internal teeth, and wall-bases that also are used to dissipate the heat generated by the high power LEDs when they operate; finally the lamp of high power LEDs has a single protective lens to direct the light emitted by the LEDs in a distribution very similar to the type I that is considered to be optimum for the illumination of streets and avenues giving therefore a greater pole to pole distance between the lights.

The present invention provides a system and method for automatic billing, managing, scheduling and power consumption controlling of charging process of electronic vehicle. The system is comprised of: street light poles which include: an electronic node, unique communication adapter and electronic socket for vehicles charging, a feeder pillar in the street comprising a concentrator for controlling and scheduling the power consumption of each street light pole in relation to charging process and a operation control center (OCC) for controlling and billing the power consumption of each street pole.

Sporting equipment with a built-in light emitting means includes a plurality of LEDs installed in a backboard or a display board for instruction, a solar battery and a rechargeable battery, each battery being electrically connected for power supply to the LEDs. The sporting equipment helps people enjoy sports even at night time and also functions as a street light for increasing the beauty of the night views of a city and as outdoor lighting for crime prevention.