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104results about How to "Good light concentrating" patented technology

Sectional type groove type solar energy condenser

The invention discloses a sectional type groove type solar energy condenser which comprises a flat frame (1-1), parabolic reflectors (1-2), a cylindrical condensation receiver (1-3) or flat condensation receiver (1-4), wherein a plurality of parabolic reflectors (1-2) are sequentially arranged on the flat frame (1-1). The position, curvatures and opening widths of the parabolic reflectors (1-2) change with a focal line; in order to achieve the optical condensation effect, effective light rays reflected by the parabolic reflectors (1-2) all fall in an effective area of the cylindrical condensation receiver (1-3) or flat condensation receiver (1-4), light rays reflected by one reflection mirror surface behind exactly pass through the edge of the previous reflection mirror surface, the space of the flat frame (1-1) is maximally utilized and the light rays can not be shielded; and the flat frame (1-1) is fixed on a solar tracking frame. According to the sectional type groove type solar energy condenser, the pressure resistance against the wind is increased, the condensation ratio is increased within a limited area range, higher heat collection temperature is obtained and the industrial application is facilitated.
Owner:UNIV OF SCI & TECH OF CHINA

Liquid crystal lens and stereo display device

The invention provides a liquid crystal lens and a stereo display device. The liquid crystal lens comprises a first substrate, a second substrate and a liquid crystal layer, the second substrate is provided with a plurality of strip electrode assemblies, each strip electrode assembly comprises at least two layers of electrode stripes, the width of the at least two layers of electrode stripes decreases in order, one of the at least two layers of electrode stripes is divided into a first sub electrode stripe and two second sub electrode stripes, the two second sub electrode stripes are arranged on two sides of the first sub electrode stripe at intervals, and the first sub electrode stripe is electrically connected with another electrode stripe which is the most adjacent to an electrode stripe, far away from the second substrate, of the at least two layers of electrode stripes. The liquid crystal lens and the stereo display device have the advantages that not only can the switching of the 2 dimensional (D) / 3D display be conducted, but also the resistance of the electrode stripes can be reduced, the capacitance of the strip electrode assemblies is reduced at the same time, and the delay phenomenon of remote control (RC) of the strip electrode assemblies is reduced.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Sucker type light supplement lamp used for object interior check and light supplement method thereof

The invention discloses a sucker type light supplement lamp used for object interior check and a light supplement method thereof. The sucker type light supplement lamp comprises a tubular channel which can serve as a lamp tube of the light supplement lamp as well as a sucker negative-pressure air channel, wherein a sucker is installed on one port of the tubular channel, the other port of the tubular channel is connected with a negative-pressure pipeline, a light supplement lamp body is arranged in the tubular channel, a sucker connecting cylinder is arranged in the middle of the tubular channel, the light supplement lamp body is installed in the sucker connecting cylinder, a negative-pressure air duct or negative-pressure ventilation holes are reserved between the light supplement lamp body and the inner wall of the sucker connecting cylinder, and a light supplement lamp wire outlet allowing a power line of the light supplement lamp to be led out is formed in the lateral wall of the sucker connecting cylinder. When the lamp works, a corresponding number of objects to be detected are moved to positions below the sucker type light supplement lamps correspondingly, the suckers of the sucker type light supplement lamps are turned on to suck the objects to be detected to enable the objects to be just close to the light supplement lamps, and then the light supplement lamps are turned on to irradiate the objects to be detected at short distance. The sucker type light supplement lamp is exquisite in structure, complete in function, convenient to install, easy to operate, convenient to use and good in working effect.
Owner:北京国自奇点机器人应用技术有限公司

Reflector, spotlight assembly and flashlight

The invention provides a reflector with a spotlighting effect, a spotlight assembly and a flashlight. The reflector comprises a sidewall, a top opening, a bottom and a light source mounting hole, wherein the inner side face of the sidewall is a section of continuous and smooth paraboloid, and the focal length of a parabola corresponding to the paraboloid is 1mm; the top opening is located at the tail end of the opening direction of the paraboloid and has the diameter of 30mm; the bottom is located at the tail end of the necking direction of the paraboloid, and the internal surface of the bottom is connected with the inner side face of the sidewall and is vertical to the symmetry axis of the paraboloid; the light source mounting hole is located at the center of the bottom and has the diameter of 3mm; the distance from the top opening to the bottom is 15mm. According to the technical scheme of the invention, influences resulting from various factors are comprehensively taken into account, so that the reflector with the spotlighting effect, the spotlight assembly and the flashlight, provided by the invention, have the advantages that the size is delicate, and a good spotlighting effect can be achieved.
Owner:SHENZHEN OCEANS KING LIGHTING ENG CO LTD +1

Spot lamp reflector, spot lamp and head lamp

The invention is suitable for the field of lighting, and provides a spot lamp reflector, a spot lamp and a head lamp. The inner surface of the spot lamp reflector is of a paraboloid; the focal length of the paraboloid is between 2.4 and 2.6 mm; the focal point of the paraboloid is a luminous point of a light source; and the optical axis of the light source is overlapped with the central axis of a reflector. The inner surface of the spot lamp reflector is designed as the paraboloid of which the focal length is between 2.4 and 2.6mm; the focal point of the paraboloid is the luminous point of the light source; the optical axis of the light source is overlapped with the central axis of the reflector; and light spots formed by the light which is emitted from the light source and is emitted in parallel after being reflected by the reflector have the characteristics of uniformity, small radiant angle and perfect spotlight effect, so the spot lamp reflector can particularly serve as the reflector of the head lamp.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Glass vacuum metal pipe type solar heat-collector

The present invention discloses a glass vacuum metal tube type solar collector, which relates to the solar heat utilization technology. A metal pipe 1 and a metal pipe 2 are arranged in parallel inside an internal glass blind pipe, the metal pipe 1 and the metal pipe 2 are mutually connected in the blind end of the internal glass blind pipe, at least two metal fins are arranged outside the metal pipe 1, the metal pipe 2 is arranged between the gap of the fin of the metal pipe 1; the metal pipe 1 and the metal pipe 2 are extended out of the internal glass blind pipe from the end part of the internal glass blind pipe open end, and are supported at the open end of the internal glass blind pipe in clearance type, a prefocus reflecting piece is arranged between an internal glass blind pipe and an external glass blind pipe. The present invention can speed up the transmission of the high temperature medium inside a heat collecting pipe to the outside of the heat collecting pipe, thus being favorable to improve the hot water production efficiency, and the output temperature of the heat transfer medium in the heat collecting pipe can be further improved, thereby, the purpose of improving the temperature of the heat transfer medium in a heat storage tank is realized.
Owner:南京赛恩斯太阳能科技有限公司

Automobile crystal light gear shifting handle

The invention provides an automobile gear shifting crystal handball, belongs to the technical field of automobiles, and solves the problems of poor concentrating performance and short service life ofan existing automobile gear shifting crystal handball. The automobile gear shifting crystal handball comprises a crystal main body, the surface of the crystal main body is covered with a decorative assembly composed of upper and lower decorative parts, a skeleton which is fixedly connected with the lower decorative part is arranged on the lower part of the crystal main body and bonded with the crystal main body through silica gel, the upper decorative part and the crystal main body are bonded through 3M glue, the lower decorative part and a connecting framework are bonded through glue, and thecrystal main body is integrated through 3D carving or a mold. The automobile gear shifting crystal handball has the advantages of being more beautiful in appearance, long in service life and high inconcentrating performance.
Owner:ZHEJIANG DIRECTION AUTO PARTS CO LTD

A led underwater light

The invention relates to the field of LED lighting lamps, in particular to an LED underwater lamp, which includes a base and a lamp body, and the lamp body is fixed on the base, and is characterized in that it also includes LED lamp beads packaged in the lamp body and a lampshade covering the LED lamp beads , the front cover and the back cover located on both sides of the lamp body, and the hollow cable opening protruding from the back cover; there are multiple LED lamp beads, and each LED lamp bead is wrapped by a lens; the cable opening Connected with the back cover, the inner wall of the cable opening is provided with a gasket, and the back cover is filled with water-absorbing material. Beneficial effects of the present invention: the LED lamp bead is wrapped with a lens, so that the LED underwater lamp has good light-gathering performance; the sealing gasket is arranged on the inner wall of the cable opening and the water-absorbing material is filled in the back cover to make it difficult for water to flow from the cable opening to the lamp body, Improve the waterproof performance of LED underwater lights.
Owner:SUZHOU JINGLEI PHOTOELECTRIC LIGHTING TECH

Digital camera CCD/CMOS multifunctional cleaner

InactiveCN105903697AGood for blowing outAvoid the effort of manual compressionLighting elementsCleaning using toolsCMOSAir blower
The invention discloses a digital camera CCD / CMOS multifunctional cleaner. The digital camera CCD / CMOS multifunctional cleaner comprises a shell, an air blower, a power source, LED lighting lamps and a cleaning bar; the shell comprises an upper shell body and a lower shell body, the air blower is arranged in the shell, and is connected with the power source through a switch, an air outlet communicated with the air blower is formed in the position, located at the tail end of the cleaning bar, of the shell, and a power source cover is arranged at the tail end of the shell; an air inlet communicated with the air blower is formed in the shell, and the two LED lighting lamps are arranged at the front end of the upper shell body and the front end of the lower shell body; a connecting seat is arranged in the front end of the shell, and the cleaning bar is fixed to the connecting seat; and the multifunctional cleaner is used for independently completing cleaning work originally capable of being completed through multiple tools, the working difficulty of CCD / CMOS cleaning is reduced, the cleaning effect is improved, and safety is improved.
Owner:HANDAN COLLEGE

Portable automobile engine emergency starting power supply

The invention discloses a portable automobile engine emergency starting power supply which comprises an upper power supply cover, a lower power supply cover, a start button and a battery cell. The battery cell is mounted on a protecting plate, the protecting plate is provided with a charging port, and an adapter plate which is perpendicular to the protecting plate is arranged at the end of the battery cell. The adapter plate is provided with a starting power supply output interface, an electric quantity management plate is arranged on the outer side of the power supply output interface, and the electric quantity management plate is connected with the protecting plate. The starting power supply output interface, a wireless router port, a USB interface, an electric quantity displayer and LED illuminating lamps are connected with the protecting plate. The portable automobile engine emergency starting power supply is powerful in function, under the outage condition of an automobile, a power line of the automobile is correctly connected into the starting power supply output interface of the automobile, and accordingly an automobile engine can be started. A starting power supply output terminal can be matched with various vehicle models, and the output direction and the position can be determined according to the structure. The portable automobile engine emergency starting power supply is simple in overall structure, low in production cost, high in practicability, wide in applied range and good in market prospect.
Owner:HUIZHOU DESAY BATTERY

Focus lamp reflector and focus lamp

The invention is suitable for lighting, and provides a focus lamp reflector and a focus lamp, wherein the inner surface of the focus lamp reflector is provided with a plurality of layers of free-form surfaces which are distributed up and down in a step shape, and the height of the free-form surfaces is 3-7mm; and the reference surface of each free-form surface is paraboloid, and the focal length of the paraboloid is 3-7mm. The embodiment of the invention makes light sent by a light source ejected in parallel after being reflected via the free-form surfaces because the inner surface of the focus lamp reflector is designed into a plurality of layers of step-shaped free-form surfaces, the light ray is concentrated, the angle of the ejected light beam is smaller, the focus effect is more ideal, each free-form surface can realize accurate light distribution, so the reflector and the focus lamp which has small size can be designed.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Small-angle white light source

The invention relates to a small-angle white light source which comprises a laser white light source and a collimating lens arranged right above the light-emitting end of the laser white light source,wherein the laser white light source comprises a blue light laser transmitting device and a light conversion medium; the light conversion medium is arranged on the surface of the laser emitting end of the blue light laser transmitting device; the blue light laser transmitted by the blue light laser transmitting device pass through the light conversion medium to be activated and converted into white light; and the white light is gathered into small-angle white light by the collimating lens. The small-angle white light source overcomes the defects that the technology is outdated, the techniqueis complicated, the efficiency is low, the light source is disperse, intensity is weak, and the projection distance is short because the light-emitting component of the existing traditional light source adopts LEDs or the manner of RGE or color chips in laser lighting and has the advantages of being in simple in technique, high in light-emitting efficiency, small in light source emitting angle, centralized in light source, high in intensity and long in projection distance.
Owner:广东中晶激光照明技术有限公司

Solar electric cleaning device

The invention discloses a solar electric cleaning device in the technical field of solar energy, which comprises a bracket, two groups of supporting rods are arranged in the bracket; a supporting plate is arranged at the upper part of the supporting rod; roller grooves are formed in the upper part of the supporting plate; a mounting frame is arranged between the two roller grooves; a solar cell panel is arranged in the mounting frame; a cleaning device is arranged at the upper part of the mounting frame; a control motor is arranged in the cleaning device; a transmission shaft is arranged at the bottom of the control motor, a transmission rod is arranged at the bottom of the transmission shaft, a main transmission gear is arranged on the transmission rod, a driven gear is arranged at the bottom of the main transmission gear, an installation rod is arranged at the bottom of the driven gear, a fixing sleeve is arranged on the installation rod, and a brush is arranged at the bottom of theinstallation rod. By means of the cleaning device, a solar power device can be effectively cleaned, a solar cell panel is kept clean, and the absorptivity of the whole solar power device is guaranteed.
Owner:JIANGSU BAIRUI AUTOMATION TECH

Plant incubator system

The invention discloses a plant incubator system which comprises a plant incubator and further comprises a condensation device, wherein the condensation device comprises a condensation array and a transmission assembly; the condensation array is connected with the plant incubator through the transmission assembly; the condensation array comprises a plurality of two-stage condensers, each of which is a reflective condenser; the light outlet of each first-stage condenser is connected with the light inlet of each second-stage condenser, and each condenser is generally in the shape of a quadrangular frustum pyramid, and comprises a composite paraboloid on the lateral side. According to the system disclosed by the invention, as the condensation array comprises the plurality of two-stage condensers, each condenser is generally in the shape of the quadrangular frustum pyramid and comprises a composite paraboloid on the lateral side, on a sunny day or when beams are sufficient, outdoor sunlight is directly collected by virtue of the condensation array to culture plants, thereby not only meeting the requirements of the plants without moving the plants from outdoors to indoors or indoors to outdoors, but also saving the energy source. Meanwhile, the condensation array provided by the invention can be tightly arranged, is good in condensation performance and relatively high in condensation ratio and condensation efficiency.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Micro lens and making method thereof, optical device and optical transmitting device

A micro lens is provided with proper optical characteristics, such as a condensing function. Furthermore, a fabrication method of a micro lens is provided as well as, an optical device, an optical transmitter, a laser printer head, and a laser printer. The micro lens is equipped with a lens member formed by a liquid droplet ejection method, including: a base member formed on a substrate, a lens member formed on an upper surface of the above-mentioned base member to which the lens material is ejected in a plurality of dots by the liquid droplet ejection method, the upper surface of the base member having a concavity and a convexity with at least a part of the upper surface of the base member being subjected to repellant treatment.
Owner:SEIKO EPSON CORP

Novel integrated LED (light-emitting diode) headlight

InactiveCN102734731AGood light-gathering performanceAvoid glare reflection anglePoint-like light sourceLighting heating/cooling arrangementsColor rendering indexColor temperature
The invention discloses an integrated LED (light-emitting diode) headlight, mainly aiming at solving the problems that the conventional motor vehicle headlight is low in illumination color rendering index, the color temperature is difficult to change, the light efficiency is low, the service life is short, energy conservation and environment friendliness is not facilitated, or the LED headlight in the prior art is insufficient in light flux, a heat radiating effect is poor and the like. The integrated LED headlight comprises a light source, a light reflection cup and a transparent face mask; the transparent face mask covers an outlet of the light reflection cup; the light source is arranged in the light reflection cup; an integrated LED lamp core is used as the light source and is of a hollow structure; the inner cavity of the integrated LED lamp core is provided with a baffle plate; the baffle plate separates the inner cavity of the integrated LED lamp core into a high-temperature cooling chamber and a low-temperature cooling chamber which are communicated with each other; the back of the light reflection cup is provided with a heat radiator; one end of the heat radiator is connected with the high-temperature cooling chamber, and the other end of the heat radiator is connected with the low-temperature cooling chamber; and the inner cavity of the integrated LED lamp core and the inner cavity of the hollow heat radiating part are filled with cooling liquids.
Owner:梁允生

Display panel and display device

ActiveCN113097278AAvoid the chamfering processReduced risk of warping or even detachmentSolid-state devicesSemiconductor devicesDisplay deviceEngineering
The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and aims to reduce the risk of chamfering or separation of an extraction structure. The display panel comprises: a substrate; an anode; a pixel definition layer provided with a first opening, wherein the anode is overlapped with the first opening; a light-emitting layer located in the first opening; a cathode; and a light extraction layer located on one side, opposite to the substrate, of the cathode and comprising an extraction structure and a plurality of epitaxial structures which are arranged on the same layer, wherein the extraction structure is overlapped with the pixel definition layer, the epitaxial structures are communicated with the extraction structure and extend in the direction away from the epitaxial structure, the lower surface, facing the substrate, of each epitaxial structure is flush with the lower surface, facing the substrate, of the extraction structure, and the orthographic projection, on the substrate, of the epitaxial structure is overlapped with a partial region of the first opening; and the film thickness of the epitaxial structure in the direction perpendicular to the plane where the substrate is located is smaller than the film thickness of the extraction structure in the direction perpendicular to the plane where the substrate is located.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

High-luminance optical diffusion film

The invention relates to an optical diffusion film, in particular to a high-luminance optical diffusion film. The problem of low brightness gain of an existing diffusion film is solved. The high-luminance optical diffusion film is simple in structure and convenient to manufacture. The high-luminance optical diffusion film comprises a base material, an optical diffusion layer and an anti-adhesion layer. The anti-adhesion layer contains air bubbles. The high-luminance optical diffusion film has high brightness gain and high brightness.
Owner:NINGBO EXCITON TECH

Solar power generating and water heating integrative machine

The invention relates to the technical field of solar energy, and provides a solar power generating and water heating integrative machine, which comprises an inclined support, a circulating water tank, a plurality of solar cell slices and a plurality of glass water pipes, wherein a plurality of strip-shaped cell slice arrays are formed by the plurality of solar cell slices; the number of the strip-shaped cell slice arrays is equal to the number of the glass water pipes; the strip-shaped cell slice arrays are longitudinally arranged on the inclined support at intervals; the glass water pipes are longitudinally arranged on the inclined support; each glass water pipe is arranged above a corresponding strip-shaped cell slice array; and the lower ends of the glass water pipes are closed, and the upper ends of the glass water are connected with the circulating water tank. The solar power generating and water heating integrative machine has the advantages that the glass water pipes are arranged above the solar cell slices, so that effects of light condensation and temperature reduction are achieved, and a solar cell panel can keep a normal temperature working curve on the basis of keeping the largest light condensation multiple.
Owner:SHANGHAI DIANJI UNIV

LED COB quartz lamp and manufacture method thereof

An LED COB quartz lamp comprises a light-transmitting lampshade, a light-reflecting cup, an LED COB chip, a heat radiator, a power supply module and a lamp cup. The heat radiator is arranged outside the upper end of the power supply module in a sleeved mode, the LED COB chip is pasted on the heat radiator, and the heat radiator and the power supply module are accommodated in the lamp cup, and the light-reflecting cup is installed at the top end of the lamp cup, and the light-transmitting lampshade is buckled on a light outlet of the light-reflecting cup. The LED COB quartz lamp is good in heat radiation effect and light condensation effect, soft in emergent light and good in emergent light color temperature. The invention further relates to a manufacture method of the LED COB quartz lamp.
Owner:SHENZHEN LAIKE LIGHTING TECH

CDC non-tracking solar compound concentrator and array thereof

The invention discloses a CDC non-tracking solar compound concentrator. A half of a parabola and a half of a perfect circle curve are compounded to generate a compound concentration curve; the generated compound concentration curve is taken as an end section of the compound concentrator and a segment is cut out by parallel moving in the vertical direction of the end section by any length; and the cut-out segment is taken as the non-tracking solar compound concentrator generated by the compound concentration curve, wherein the cut-out end section is the end section of the concentrator; a curved surface formed by parallel moving of the compound curve segment is taken as the compound concentration curved surface of the concentrator; and a plane formed by parallel moving of a straight segment is taken as the concentration surface of the compound concentration curved surface.
Owner:赵淑明

Lens unit array condenser

The invention discloses a lens unit array condenser, which comprises a substrate, a support piece array and lens units, wherein the bottom surface of the substrate is a plane; a condensing focus is formed above the substrate; the support piece array is arranged on an upper surface of the substrate; each lens unit is connected with a support surface of each support piece forming the support piece array; the lens units are arranged facing to the condensing focus and are of rectangular planes; and reflecting light of incident light perpendicular to the substrate at a geometric center point of each lens unit is condensed at the condensing focus. The lens unit array condenser provided by the invention is simple in manufacturing process, low in cost and favorable in condensing effect.
Owner:杨永顺

Dish type energy gathering support and dish type energy gathering mirror

The invention relates to a dish type energy gathering support and a dish type energy gathering mirror adopting the dish type energy gathering support. The dish type energy gathering support and the dish type energy gathering mirror have the advantages of being high in sunlight tracking precision, high in light energy capture efficiency and sensitive in light intensity response. The dish type energy gathering support comprises a supporting column, a dish type energy gathering mirror supporting frame, an elevation angle adjusting device and a sunlight tracking steering device. The supporting column is connected with the elevation angle adjusting device through the sunlight tracking steering device, and the elevation angle adjusting device is connected with the dish type energy gathering mirror supporting frame. The dish type energy gathering support further comprises a sunlight tracking system. The sunlight tracking system comprises an outdoor light intensity acquisition sensor and a controller connected with the outdoor light intensity acquisition sensor. The elevation angle adjusting device and the sunlight tracking steering device are connected with the controller. The dish type energy gathering mirror is formed by splicing multiple dish type energy gathering mirror bodies, and the appearance of the dish type energy gathering mirror is matched with that of the above dish type energy gathering support. The utilization rate of solar energy can be increased.
Owner:北京天何太阳能研究所

Laser projection lamp

The invention relates to the field of illumination devices, in particular to a laser projection lamp. By adoption of the laser projection lamp, the problems that existing projection lamps are low in energy conversion rate, short in irradiation distance, short in service life and the like are solved. The laser projection lamp comprises a housing, a lamp shade, a mounting support and a light-emitting assembly. The light-emitting assembly is located in a cavity defined by the shell and the lamp shade and comprises a heat dissipation substrate, a laser control module and a laser module, wherein the laser module is fixedly arranged on the front side of the heat dissipation substrate, a radiator is arranged on the back side of the heat dissipation substrate, and the laser control module is connected with the laser module. The laser module comprises a laser module shell, a lens pressing ring, a lens, a yellow phosphorus filter and a laser emission device, wherein the lens pressing ring, the lens, the yellow phosphorus filter and the laser emission device are sequentially arranged inside the laser module shell, and the lens pressing ring tightly presses the lens and the yellow phosphorus filter in the axial direction. According to the laser projection lamp, laser light is used as an illumination light source, the energy conversion rate is increased, and the irradiation distance of theillumination device is increased.
Owner:XENO CO SHANGLUO LTD

Wrist-type lighting device

A wrist-type lighting device comprises a lighting body, a first connecting portion and a second connecting portion. The lighting body comprises a first connecting end and a second connecting end opposite to the first connecting end. The first connecting portion and the second connecting portion are circular-arc-shaped. One end of the first connecting portion is hinged to the first connecting end of the lighting body, one end of the second connecting portion is hinged to the second connecting end of the lighting body, and the other end of the first connecting portion is detachably connected with the other end of the second connecting portion, so that the lighting body, the first connecting portion and the second connecting portion form an annular structure. A body light source is arranged on the outer surface of the lighting body. The light source is arranged on the wrist-type lighting device, and the annular structure is formed in a detachable connection manner and is worn on the wrist of a user, so that the user does not need to carry the lighting device by hand, and the lighting device is convenient to use.
Owner:OCEANKING DONGGUAN LIGHTING TECH +2

Light guide plate and light source apparatus

A light guide plate (LGP) includes a first surface, a second surface, and a plurality of light incident surfaces. The first surface is a light-emitting surface. The light incident surfaces connect the first surface and the second surface. The second surface has a plurality of ring-shaped grooves. Depths of the ring-shaped grooves are gradually decreased from a place close to a center of the LGP towards places close to the light incident surfaces. Each of the ring-shaped grooves has a first ring-shaped side wall surface and a second ring-shaped side wall surface. The second ring-shaped side wall surface is opposite to the first ring-shaped side wall surface and located between a geometry center of the ring-shaped groove and the first ring-shaped side wall surface. The first ring-shaped side wall surface is a tilted surface. In addition, a light source apparatus is also provided.
Owner:YOUNG LIGHTING TECHNOLOGY INC

Petroleum-contaminated soil remediation device

The invention relates to a petroleum-contaminated soil remediation device. The device comprises a photocatalytic assembly, an ultraviolet lamp set, a soil impregnation unit and a filtering unit. The photocatalytic assembly comprises a water trough, a convex lens arranged on the water trough, and a plurality of parallel partition plates arranged in the water trough in a staggered mode. The surface of the bottom of the water trough is coated with a TiO2 photocatalyst layer. The water trough is provided with a water inlet and a water outlet. The ultraviolet lamp set is hinged to the photocatalytic assembly through a rotary shaft. One end of the filtering unit is connected with the soil impregnation unit, and the other end of the filtering unit is connected with the water inlet.
Owner:祝凤娟
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