Light-emitting diode lamp with optical element

FIELD: lighting.

SUBSTANCE: invention relates to lighting engineering and can be used as light-emitting diode light source for outdoor, industrial, household and architectural and design lighting. Light-emitting diode lamp (LEDL) with optical element has base, transparent optical element, which generates light flux, light-emitting diode module and power supply source. Used base is reflector, on which transparent optical element is fixed, on upper surface containing mutually parallel straight line notches. Light-emitting diode module (LEDM) is attached to one of transparent optical element end sides. LEDL is equipped with additional LEDM, attached to one of transparent optical element lateral sides so, that its light flux is directed in parallel to lines of transparent optical element notches, wherein transparent optical element notches are made so, that angle between lines of notches and light fluxes directions is 90°. LEDL can be equipped with additional LEDM, attached to each of transparent optical element lateral sides so, that their light fluxes are directed in parallel to lines of transparent optical element notches. LEDL can be equipped with dissipating cover rigidly attached to base – reflector, in cross-section having U-shaped profile. LEDM can be made in form of printed circuit board with n ≥ 1 LEDs, wherein transparent optical element height exceeds light-emitting diodes on LEDM width by value of ± 10 %. Free from LEDM transparent optical element end sides can be coated with light-reflecting paint layer, wherein transparent optical element width a is in range of 100 mm ≤ a ≤ 550 mm, and ratio of distance s between notches to transparent optical element width a is s/a = (0.01 x 0.1) mm. LEDL can contain one or more additional transparent optical elements with mutually parallel notches and LEDM, attached to optical element end or to end and lateral sides, wherein transparent optical element notches are made so, that angle between lines of notches and light flux directions of, at least, one LEDM is 90°.

EFFECT: technical result is providing uniform illumination, reduction of labor input and weight and dimensions, increasing degree of dust and moisture protection.

12 cl, 5 dwg

 



 

Same patents:

Led lamp // 2556871

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering and can be used for manufacture of the light sources used as a part of lighting equipment for the general and local external and internal lighting. The LED lamp contains the convex lens, the board with light-emitting diodes installed from the end face side of the hollow radiator and the connector for connection to the power supply circuit placed in the radiator cavity. The technical result is achieved due to that the radiator cavity contains the thin-walled cylinder made of heat-conducting electric insulating material. Between the board and the named cylinder the metal orifice is installed with a possibility of heat exchange, meanwhile on the lower base of the thin-walled cylinder the connector for connecting to the power supply circuit is made.

EFFECT: decrease of axial dimensions of the lamp and improvement of conditions of heat exchange between the board of light-emitting diodes and environment.

3 cl, 2 dwg

FIELD: electricity.

SUBSTANCE: marker consists of casing (1) with clamp (2) (groove-type, spiral-type, etc.) for attachment to a wire or protection wire (3) of the line. An electrical circuit of the marker consists of inductive transformer (4) and frequency converter (5), which act from electromagnetic field of the wire or protection wire (3) of the line and provide electrical power supply rated at least at 1 W, solid-state light source (6) represented by light-emitting diodes providing light radiation of at least 5 Cd, which is non-directed in horizontal plane, at vertical projection at an angle of 0° to 180°, photocell (7) responding to low level of total illumination, the threshold value of which for actuation of the light warning system is set to 30-50 lux. Protection against radio interference is provided by means of toroidal circular or ellipsoidal screen (9). The marker is designed for operation at the temperatures within -60°C to +60°C.

EFFECT: improving reliability, simplifying installation and providing independence of electrical power supply.

5 cl, 1 dwg

FIELD: electricity.

SUBSTANCE: optic units with light-emitting diodes (LEDs) are connected to the body (1) forming a thermal contact between them. A cover (2) from inside is made with a cavity wherein a supply source (5) is installed with the formed thermal contact. The body (1) and cover (2) are interconnected with air gaps (24) in between through heat-insulating end plugs (3, 4) having through air vents. The air gaps (24) communicate with the cover (2) cavity. The through air vents communicate with the body (1) and cover (2) cavities; they are designed to pass convective air flows to the body (1) and cover (2) cavities thus ensuring more effective cooling of the body (1) and cover (2). A heat-reflecting screen (23) made of a heat-insulating material is fixed horizontally at lateral sides of the cover (2) from inside with potential heat insulation of the cover (2) from the body (1) side. A supply source (5) and optical units with LEDs are made sealed and interconnected in a hermetic way. The cover (2) is connected to the end plugs (3, 4) by means of detachable connections, which allow fast and easy disconnecting of the cover in order to replace the supply source.

EFFECT: improved quality of cooling for optical units with LEDs and the supply source.

21 cl, 3 dwg

FIELD: electricity.

SUBSTANCE: invention relates to the field of lighting engineering and can be used in lighting fixtures with solid-state semiconductor light sources used for mounting installation in a cell with sizes from 40×40 mm up to 250×250 mm and with false ceiling partitions with the thickness from 1 to 30 mm with a vertical profile. The lighting fixture mounting is free from deformation and change of false ceiling structure. The LED ceiling lighting fixture contains a radiating housing, with the lighting unit installed in it, a power supply and a plafond, the radiating housing of the lighting fixture is located from above the false cellular ceiling, the lighting unit and the plafond are attached to the radiating housing and placed inside the false ceiling cell.

EFFECT: technical result is decrease of costs of installation of lighting fixtures in premises as false ceilings, and also the possibility of quick change of lighting fixture location according to details of a lighted room.

28 cl, 21 dwg

Lighting device // 2545033

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering. A lighting device includes a casing, a connection element, at least one reflector and a light source assembly. The connection element is connected to the inner upper surface of the casing and has an insert slot made in its middle part in the direction of the inner upper surface of the casing, by means of which it is connected in a removable manner to the light source assembly. The first connecting plug is located in the middle of the insert slot. At least one reflector is connected to the inner surface of the casing wall and the outer surface of the wall of the connection element. The light source assembly has an upper part intended for connection to the connection element and the second connecting plug intended for connection to the first connecting plug, as well as a lower part emitting the light onto the reflector.

EFFECT: enlargement of a range of technical means.

19 cl, 18 dwg

Lighting device // 2545031

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering. The lighting device comprises a casing, a connecting element, at least one reflector and a light source assembly. The connecting element has the first insert groove designed in its middle part and the first connector located in the middle of the first insert groove. The light source assembly contains the first housing detail having the first connecting assembly, the first inclined surface and the first protruding hinge, the second housing detail having the second connecting assembly, the second inclined surface and the second protruding hinge, the middle housing detail having the second insert groove and containing the second connector, electrically connected to the first connector when the light source assembly is attached to the connecting element, and the main module of light-emitting diodes located on the first inclined surface and of the second inclined surface, respectively.

EFFECT: expansion of the range of technical facilities.

21 cl, 17 dwg

Lighting device // 2544243

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering. Achievement of the technical result is provided due to the fact that in a lighting device including the following: a casing, at least one reflector and a light source assembly, which emits light onto the reflector, which are located inside the above casing. The light source assembly is provided with a light emitting slot made in it, which includes a basic surface inclined to the reflector, and multiple light-emitting diodes located with an inclination along the basic surface in the light emitting slot. The light emitting slot includes a projecting part formed of a basic surface that blocks the light emitted directly from multiple light-emitting devices to the outside of the casing.

EFFECT: enlargement of a range of technical means.

18 cl, 18 dwg

FIELD: physics.

SUBSTANCE: system is equipped with a solar panel, a battery charge controller, a proximity sensor, a GSM/GPRS unit, a control unit, a T7 traffic light, a "Pedestrian crossing" LED sign, LED lamps for lateral illumination of the pedestrian crossing, LED lamps for illuminating the waiting area, a solar panel, a control unit and two rumble strips on the road surface. Two additional LED lamps for lateral illumination of the pedestrian crossing are LED projectors, each offset from the centre axis of the pedestrian crossing towards the approaching vehicle. The control unit controls the state of the sensors, traffic light, LED projectors and the "Pedestrian crossing" LED sign and also transmits an instruction to actuate the control unit located at the opposite side of the road. The program-controlled GSM/GPRS unit enables to perform set up the controllers, automatic recording of readings of operation of basic units or systems and remote control of the entire system.

EFFECT: automating control of the pedestrian crossing, high information value for the driver and improved safety of the pedestrian crossing.

3 dwg

FIELD: physics.

SUBSTANCE: lighting device (1) includes several lighting sources (4) and one reflecting system, meanwhile the lighting sources (4) are located in front of the reflecting surface of the reflecting system and includes several lighting devices, located around an output hole (10) of the reflecting system. The light beam from the lighting sources (4) due to reflection is deflected towards the reference direction of radiation of the lighting device (1) by means of the reflecting system. The lighting device is fitted with the first reflecting section (2) and the convex second reflecting section (5), the first and second reflecting sections are matched to each other so that the basic light ray can be formed due to that the light from the lighting sources (4) first at first strikes the second reflecting section (5), and then the first reflecting section (2) and leaves from the lighting device towards the reference direction of radiation.

EFFECT: increasing power.

26 cl, 13 dwg

FIELD: electricity.

SUBSTANCE: invention relates to design of lighting devices. A traffic light system comprises a housing with a protective element and, inside the housing, a light source in the form of a LED array on a printed-circuit board. The system consists of N independent LED lines with a common heatsink based on a steel plate. A power supply is linear. Each LED is shunted by a stabiliser and the protective element of the housing used is a diffuser, which is a transparent lamp shade made of polycarbonate.

EFFECT: high reliability of the lighting part.

2 dwg

FIELD: instrumentation engineering; light signal devices for all-round view.

SUBSTANCE: part of light-emitting diodes of proposed lamp is located in units of polar coordinate grid or on sides and vertex of regular polygonal coordinate grid. Some light-emitting diodes are oriented in different planes of optical axis of radiation and are mechanically locked on plate at required spatial orientation.

EFFECT: enhanced light and thermal properties; simplified construction.

5 cl, 4 dwg

FIELD: instrumentation engineering; pilot lights for panoramic-view systems.

SUBSTANCE: proposed lamp has a number of insulating boards with light-emitting diodes disposed over perimeter of each board. Optical axes of light sources on one or two sides of board are oriented in meridian planes of entire light-emitting space.

EFFECT: enhanced lighting characteristics and uniformity of light distribution.

6 cl, 5 dwg

FIELD: neon light simulating units designed for use as pilot lights and advertising means.

SUBSTANCE: proposed neon light simulating unit has rod-shaped element made of material possessing light-dissipating properties with lateral light-detecting surface and bent lateral light-emitting surface which is stretched along light source disposed along and close to light-detecting surface; it also has case accommodating light source and wiring panel designed to connect light source to distant light. Elliptic pattern of light spot formed by light source on light-emitting surface has short axis passing throughout entire width of light-emitting surface, and long axis is disposed along rod. Case has two side walls, each being provided with internal light-reflecting surface and external light-absorbing surface.

EFFECT: enhanced strength, reduced power requirement and heat dissipation, reduced mass.

40 cl, 30 dwg

FIELD: transport engineering; lighting facilities.

SUBSTANCE: invention can be used for illumination of passenger car interior. Proposed lighting unit has housing 1, diffuser connected with housing 1, two extreme light source 3, 4 in form of base lamps, and central light source 5 in form of tubular lamp, two extreme selector switches installed on inner side of housing 1 and connected by push-buttons 9, 10, and one central selector switch, elongated flat contact and three-L-shaped contactors. Two extreme lighting sections 17, 18 covered by common diffuser are formed on one of side 16 of housing 1 adjacent to flat part, and central light section 19 between extreme sections in which two extreme light sources 3, 4 and central light source 5 are installed. Lighting sections 17, 18, 19 are made in form of hollow members with space 20 opening to external side 21 of housing 1 projecting from inner side of housing 1. Said hollow members have bottom part and closed sides 23, and their adjacent sides 24 are connected by end sections 25 forming partitions 26 between lighting sections 17, 18, 1. Holes are made on end sections of elongated flat contact, and bent off tongue 30 is formed on central section. Elongated flat contact is located on bottom part of each section 17, 18, 19 parallel to plane of housing 1 to fit bases of extreme light sources 3, 4 in holes in extreme sections. Tongue 30 and one component of first L-shaped contact, installed with insulation through second component on central section of elongated flat contact, are arranged in space 20 of central section 19 to form contacts of central light source 5. Second L-shaped contact and third L-shaped contact are spaced to extreme sections 17, 18. First components of said contacts are installed on housing 1, and second components extending to base of extreme light sources 3, 4 are installed with joining to end face part.

EFFECT: improved degree of illumination at simple design.

23 cl, 6 dwg

Floor lamp // 2278319

FIELD: lighting equipment.

SUBSTANCE: floor lamp can be used at floor areas of apartment houses. Floor lamp has cases of lamp and electromechanical timer, current contact, electric lamps, lamp holder and stop. Micro-switches and flags are introduced into the device additionally. Electromechanical timer is capable of rotating about longitudinal axis and fixing at end positions on position stops in case if any flag switches corresponding micro-switch and corresponding lamp. Number of lamps equals to two; the lamps are mounted in series. Due to current contact they interact through micro-switches with electromechanical timer by means of mentioned flags. There is also common switch in the floor lamp and anti-vandal protection provided by non-dismountable assembly of cases, glass and reflector.

EFFECT: simplified design; improved reliability of operation.

2 dwg

FIELD: light engineering.

SUBSTANCE: searchlight comprises Fresnel lens with controlled aperture of output beam, elliptical reflector, lamp, and at least one Fresnel lens. The distance between the Fresnel lens and reflector can be changed depending on the distance between the lamp and reflector according to the controlled angle of the aperture of the searchlight beam. The Fresnel lens has circular diffusion screen mounted at the center of the lens. The Fresnel lens and the screen define a system for shifting light, which allows the fraction of the diffused light to be changed, and the Fresnel lens has real point of focusing that can be set in coincidence with the focusing point of the reflector. The reflector focusing point is located far from the reflector. The Fresnel lens represents a flat-convex collecting lens and has double lens with chromatic-corrected projection properties. The coating of the Fresnel lens has a system of dielectric interference layer that changes the spectrum of the light passing through it. The auxiliary reflector is interposed between the Fresnel lens and reflector.

EFFECT: enhanced efficiency.

19 cl, 6 dwg

FIELD: the invention refers to searchlights.

SUBSTANCE: the searchlight with Frenel's lens with a regulated angle of aperture of coming out beam of light has preferably an elliptical reflector, a lamp and at least one Frenel's lens. The Frenel's lens has a diffuser, at that the diffuser is fulfilled of round form and is located only in the center of the Frenel's lens or the diffuser is fulfilled with changing degree of dispersion in such a way, that more powerfully dispersed fields are located in the middle of the diffuser and fields dispersed in a less degree are located along its edge. The Frenel's lens with the diffuser form a system of light displacement which changes the share of dispersed light in relation to the share of geometrically and optically projected light and thus changes correlation of light displacement as a function of installing a searchlight with Frenel's lens and also has a real point of focusing of a reflector removed from the reflector. The Frenel's lens is a flat-convex lens with chromatic corrected properties of projection. The covering of the Frenel's lens has a system of dielectric interference layers that changes the spectrum of light passing through it. An auxiliary reflector is installed between the Frenel's lens and the reflector.

EFFECT: provides high degree of effectiveness of obtaining of even coming out of light.

17 cl, 5 dwg

FIELD: optics.

SUBSTANCE: proposed Fresnel-lens searchlight whose light beam is radiated at adjustable aperture angle has reflector, lamp, and at least one Fresnel lens. The latter is essentially negative focal length lens and, hence, it is negative lens with virtual focal point. Searchlight is designed for superposing focal point distant from reflector onto virtual focal point of Fresnel lens. Mentioned point of reflector is superposed on virtual focal point of Fresnel lens in searchlight position forming quasi-parallel path of beam. It is concave-concave negative lens incorporating duplex lens with chromatically corrected display characteristics. Searchlight Fresnel lens has circular integrated dissipating glass disposed at center of Fresnel lens thereby forming light mixing system that varies some fraction of dissipated light relative to fraction of diametrically and optically reflected light, that is, light mixing is function of Fresnel-lens searchlight position. Searchlight ellipsoidal reflector is made of metal or transparent, preferably dielectric, material in the form of glass and/or plastic. Fresnel lens is covered with a number of dielectric interference layers which function to vary spectrum of light passed through lens. Auxiliary reflector is disposed between Fresnel lens and main reflector.

EFFECT: reduced space requirement and mass compared with prior-art searchlights of this type.

19 cl, 6 dwg

Infrared projector // 2300699

FIELD: infrared projectors.

SUBSTANCE: infrared projector contains, optically connected, laser emitter and objective, first control block, output of which is connected to laser emitter. Device additionally contains deflecting system, located at the output of objective and consisting of mirror with rotation axis, position indicator, rotation mechanism and second control block. Mirror rotation axis is kinematically connected to position indicator, output of which is connected to first input of second control block, output of which is connected to rotary mechanism, which is kinematically connected to rotation axis of mirror which is optically connected to objective, and heat stabilization system containing temperature indicator, controller, power supply unit, thermoelectric module with heat draining system and a base. Laser emitter, temperature indicator and thermoelectric module are positioned on base for ensuring thermal contact between them. Output of temperature indicator is connected to input of controller, first, second and third outputs of which are connected respectively to input of first control block, to power supply unit input and to readiness indicator input. Power supply unit output is connected to input of thermoelectric module, while first control block is made in form of controlled current generator, and laser emitter is mounted close to focal plane of objective. Infrared projector additionally contains radiation power alteration controller, which is connected to second input of first control block.

EFFECT: expanded functional capabilities, increased stability of laser radiation output parameters and increased lifetime of device.

2 cl, 2 dwg

Searchlight // 2302585

FIELD: lighting engineering.

SUBSTANCE: searchlight comprises Fresnel lens, reflector, lamp, and at least one additional Fresnel lens. The additional Fresnel lens is made of a lens with negative focus distance and, hence, is a dispersing lens having virtual focus point. The distance (a) between the Fresnel lens and reflector can be changed in correlation with the distance (b) between the lamp and reflector on the basis of the aperture angle determined for the light beam. The virtual focusing point of the dispersing lens is positioned out of the unit of the Fresnel lens, and it can be in coincidence with the focusing point of the reflector that is located far from the reflector. The Fresnel lens is made of a double-concave dispersing lens and has double lens with chromatically corrected characteristics of imaginary. The searchlight has Fresnel lens with integrated diffusion round window that is positioned at the Fresnel lens center and defines the system for mixing light which changes the ratio of the scattered light to the reflected light. The distance (b) can be controlled by moving the lamp with respect to the top of the reflector. The reflector is made of metallic or transparent dielectric material, preferably glass or/and plastic, and represents an ellipsoidal reflector. The Fresnel lens is coated with the dielectric interference layers that change the light spectrum passing through them. The auxiliary reflector is interposed between the Fresnel lens and reflector.

EFFECT: reduced sizes and efficiency.

20 cl, 8 dwg

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