25results about How to "Uniform illumination" patented technology

The utility model provides a guide rail type wall washer which comprises a clamping module, a rotating module and a wall washer body, the wall washer body comprises an optical assembly and a shell, and the shell is provided with a containing cavity; the guide rail type wall washer further comprises a shading plate and a matte layer, the shading plate comprises a fixed plate, a rotating plate and a damping rotating shaft, the fixed plate is installed on at least one face of the shell, the rotating plate is movably arranged at the bottom of the shell, and the matte layer is arranged on the face, close to the bottom of the shell, of the rotating plate. When the rotating plate rotates, the rotating plate rotates through a damping rotating shaft between the rotating plate and the bottom of the shell so as to adjust the illumination range of the guide rail type wall washer during working; when the guide rail type wall washing lamp works, the optical assembly emits light rays, the rotating plate completely and effectively blocks the light rays emitted to human eyes, and the matte layer can effectively absorb part of reflected stray light; when the guide rail type wall washer is not used, the rotating plate and the bottom of the shell are closed, water vapor, insects and dust cannot enter the shell through the rotating plate, and then the possibility that the optical assembly is damaged is reduced.

The utility model discloses a single-polarization linear spotlight which comprises a sectional material lamp body support and a sectional material radiator arranged on the inner side of the lower portion of the sectional material lamp body support, outer end covers are installed at the left end and the right end of the sectional material lamp body support respectively, inner end covers are installed at the left end and the right end of the sectional material radiator respectively, hinge columns are arranged on the outer sides of the inner end covers, and the hinge columns are connected with the sectional material radiator. The outer end cover is provided with hinge holes corresponding to the hinge columns, marbles are installed on the inner side of the lower portion of the outer end cover, a plurality of grooves corresponding to the marbles are formed in the outer side of the inner end cover, a light source is installed on the inner side of the profile radiator, and an optical lens covers the bottom of the light source. An optical reflection cup covers the bottom of the optical lens, and an optical anti-dazzle cover is arranged at the bottom of the optical reflection cup. The guide rail lamp is easy in angle adjustment, stable in positioning after adjustment, good in use effect, high in lighting effect, good in anti-dazzle performance, large in light spot and uniform in illumination, one lamp can replace two guide rail lamps with the same power, and the use experience of consumers is good.

The present invention relates to an LED lens, comprising: a transparent substrate, which is a disc-shaped structure, wherein the transparent substrate comprises a light incident surface and a light emitting surface opposite to the light incident surface; and a plurality of lens parts, wherein the plurality of lens parts are arranged on the light incident surface, and a receiving groove is provided at the end of the lens part, wherein the receiving groove can receive LED lamp beads, and the receiving groove is a truncated cone-shaped structure, wherein the diameter of the opening of the receiving groove is larger than the diameter of the bottom of the receiving groove, and wherein a plurality of protrusions are distributed on the bottom of the receiving groove, so that the bottom of the receiving groove is a bead surface structure formed by a plurality of hemispherical surfaces, and the light emitted by the LED lamp beads is emitted through the bottom of the receiving groove and the light emitting surface. The above-mentioned industrial and mining lamp and its LED lens have soft and non-glaring light, uniform illumination, and can reduce stray light, thus meeting people's demand for large diameter and high power LED lamps, and can save costs and improve production efficiency.

A multifunctional linear tunnel light and its housing are disclosed. The housing includes a shell, which is a semi-closed structure consisting of a bottom surface and side surfaces, with an open top and open ends. The bottom surface of the shell has an outwardly protruding section in the middle, with a hollow center forming a groove that communicates with the inner cavity of the shell. The bottom surface of the shell on both sides of the protruding section consists of two symmetrical planar segments with symmetrically arranged slots on their inner surfaces. The outer surface of each planar segment has guide grooves for guiding the mounting bolts of the support bracket. The side surfaces include a first inclined surface, a second inclined surface, and a first vertical surface. The inner surface of the second inclined surface has a light source plate mounting slot, with the slot opening facing the bottom surface of the shell. A baffle is located at the end of the upper groove wall of the light source plate mounting slot. The end of the second inclined surface has a second vertical surface parallel to the first vertical surface, with a snap-fit ​​groove on its inner surface. This utility model integrates two mounting positions with different light emission methods, allowing for selection of one mounting position according to lighting needs, providing flexibility and meeting the needs of different application scenarios.

The invention relates to the technical field of microscopic detection, in particular to a microscopic imaging system with bright field imaging and phase difference imaging, which comprises an imaging module, a bright field imaging illumination module, a focusing module, a phase difference imaging illumination light source module and a control module. The problems that in the prior art, the switching time is long, the definition degree of images is prone to being affected in the switching process, the target form of bright field image and phase difference image shooting is changed, and result contrastive analysis is not facilitated are solved.

The invention relates to a short-wave telecentric optical system and an imaging method thereof. The optical system is composed of a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens which are sequentially arranged in the light incidence direction. The invention relates to a large relative aperture limited yoke object space telecentric system which is matched with a refrigeration type short wave infrared detector 640 * 512 at 15 microns. The large-relative-aperture system is high in energy concentration ratio, and the refrigeration type short wave detector works in a low-temperature environment, is high in signal-to-noise ratio and has higher detail resolution. The telecentric optical path system has wide application in the fields of precision measurement, optical metrology instruments and the like, especially in occasions requiring high-precision measurement.

The present application discloses an optical imaging lens, which includes a lens barrel and an imaging lens group and a spacer element group disposed in the lens barrel; the imaging lens group includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens arranged in sequence from the object side to the image side along the optical axis; the spacer element group includes a first spacer element, and the first spacer element is disposed on the image side surface of the first lens and contacts the image side surface of the first lens; wherein, the number of lenses with optical power in the optical imaging lens is seven; the radius of curvature R1 of the object side surface of the first lens and the outer diameter D0s of the object side end surface of the lens barrel satisfy: -1.6 < R1 / D0s < -0.95; the radius of curvature R2 of the image side surface of the first lens and the inner diameter d1s of the object side surface of the first spacer element satisfy: -1.7 < R2 / d1s ≤ -1.1.

The utility model discloses a double-offset linear spotlight which comprises a sectional material lamp body support, the front side and the rear side of the sectional material lamp body support are each provided with a sectional material radiator, the left end and the right end of the sectional material lamp body support are each provided with an outer end cover, the left end and the right end of each sectional material radiator are each provided with an inner end cover, and hinge columns are arranged on the outer sides of the inner end covers. The outer end cover is provided with hinge holes corresponding to the hinge columns, marbles are installed on the inner side of the lower portion of the outer end cover, a plurality of grooves corresponding to the marbles are formed in the outer side of the inner end cover, a light source is installed on the inner side of the profile radiator, and an optical lens covers the bottom of the light source. An optical reflection cup covers the bottom of the optical lens, and an optical anti-dazzle cover is arranged at the bottom of the optical reflection cup. The guide rail lamp is easy in angle adjustment, stable in positioning after adjustment, free of looseness after vibration, good in anti-dazzle performance, large in light spot and uniform in illumination, one lamp can replace four guide rail lamps with the same power, and the use experience of consumers is good.

The utility model provides a multi-light-path lens with uniform illumination, a light-emitting assembly and a low-position illuminating lamp. The multi-light-path lens comprises a first refracting surface and a second refracting surface which are respectively arranged on two sides of a scattering light source; the arc-shaped light guide cover is arranged at the top of the scattering light source in a covering mode, a first free-form surface is arranged on the inner side of the arc-shaped light guide cover, a second free-form surface is arranged on the outer side of the arc-shaped light guide cover, and scattering light emitted from the scattering light source to the top sequentially penetrates through the first free-form surface and the second free-form surface. One part of scattered light emitted from the scattered light source to the two sides penetrates through the first refracting surface, is deflected and then is emitted out through the second free-form surface, and the other part of the scattered light penetrates through the second refracting surface, is reflected by the fully reflecting surface and then is diffused outwards; the low-position illuminating lamp solves the problem that in the prior art, a low-position illuminating lamp cannot ensure the uniformity of light rays on a road surface while reducing dazzle light generated to a driver.

The present invention provides a method and device for controlling plane illumination, comprising the following steps: 1) arranging the light source assembly into two or more annular light source groups with the center of the lamp as the center of the circle; 2) controlling the vertical illumination of the annular light source group projecting and covering the plane area to be distributed alternately from the inside to the outside in the form of sine square and cosine square or cosine square and sine square; 3) controlling the projection coverage plane area of ​​the annular light source group to satisfy the overlap distance of the local plane coverage of the projection coverage of two adjacent light source groups; 4) controlling the output efficiency of each annular light source group to achieve a specific change in the target plane from the inside to the outside. The present invention can make the illumination of the target plane evenly distributed, effectively realize the quantitative layout of the illumination of the target plane, improve the control ability, and at the same time realize the smooth change of the illumination of the target plane, improving the user experience.

The utility model discloses a lighting lamp strip for improving physical and psychological health by influencing a non-visual path, which comprises a plurality of lighting units connected with one another, each lighting unit comprises an LED lamp and a shell with electric conduction, heat conduction and heat dissipation functions, and the shell comprises an inner shell with a heat conduction function and an outer shell with a heat dissipation function; a heat dissipation part of the LED lamp is connected with the inner shell, and the luminous flux of the illuminating lamp strip is at least 10000 lumens; the utility model further provides an illuminating system for improving physical and psychological health by influencing the non-visual access, the illuminating system comprises the illuminating lamp strip, the illuminating lamp strip is hung on a roof through a supporting piece, and after the illuminating lamp strip is hung, a light source emitted by the LED lamp vertically irradiates the roof to form a light spot in the center of the roof. According to the utility model, a light environment with high brightness, low stimulation and uniform illumination can be manufactured, the light environment adapts to the characteristics of non-visual photoreceptor cells of endocrine of a main pipe in human eyes, and the health requirement of a non-visual path is met; the utility model is suitable for the lighting industry and is used for indoor lighting.

The invention relates to a lens unit for hole inspection, which is used for shooting the interior of a hole of a workpiece by using a camera while ensuring uniform illuminance in the hole, reducing the noise of the shot image, and well removing foreign matters in the hole. The lens unit for hole inspection comprises: a cylindrical light guide tube which is surrounded by the tip of an outer tube and supported by one of the outer peripheral surface of an inner tube and the inner peripheral surface of the outer tube so as to surround the tip of the inner tube, and which diffuses and irradiates light emitted from a plurality of bullet-shaped light-emitting diodes on the mounting part side into a hole; an annular spacer having a plurality of gas passages and disposed between the light guide tube and the other of the outer peripheral surface of the inner tube and the inner peripheral surface of the outer tube such that the plurality of gas passages extend along the light guide tube; and an annular gas passage which is divided between the outer peripheral surface of the light guide tube and the inner peripheral surface of the outer tube or between the inner peripheral surface of the light guide tube and the outer peripheral surface of the inner tube, communicates with the plurality of gas passages, and is opened at the top ends of the outer tube and the inner tube.

The invention discloses an illumination light path for an aircraft angle position indicator. The illumination light path comprises a monochromatic light source group, a collimating lens group and a dodging device group which are sequentially arranged from front to back along an optical axis. The monochromatic sources of the monochromatic source group, the collimating lenses of the collimating lens group and the dodging devices of the dodging device group are in one-to-one correspondence. And the collimating lenses are used for performing collimation or quasi-collimation processing on emergent light beams of the corresponding monochromatic light sources. And the light homogenizing devices are used for homogenizing emergent light beams of the corresponding monochromatic light sources. Wherein the dodging devices of the dodging device group are physically isolated, so that the dodging devices do not influence each other. The beneficial effects of the invention lie in that through the collimating lens group, the dodging device group and the light window, the output with the light emitting area size conforming to a certain proportion and with uniform illumination and small divergence angle can be obtained, no optical filter needs to be arranged, and the output efficiency is high.

The application provides a fisheye lens, which comprises first to eighth lenses and a protection glass in sequence along an optical axis from an object side to an image side, and a diaphragm is located between the fourth and fifth lenses; the first to third lenses all have negative refractive power, the object side surface is a convex surface, and the image side surface is a concave surface; the fourth and fifth lenses have positive refractive power and are biconvex; the sixth lens has negative refractive power, the object side surface is a concave surface, and the image side surface is a convex surface; the seventh lens has positive refractive power and is biconvex; the eighth lens has negative refractive power and is biconcave; all the lenses are glass spherical lenses; through specific refractive power arrangement, surface configuration, refractive index and Abbe number range limitation, a miniaturized structure with an optical total length less than 21 mm and an effective diameter of each lens less than phi 12 mm is realized, the MTF is greater than 0.6 in a 0.8 field of view at a spatial frequency of 83 lp / mm, the total field of view is greater than 0.45, the target surface height is greater than 4.6 mm to match a 1 / 2.4 inch sensor, the F-Theta distortion is less than 1%, and the relative luminance at the maximum field of view is greater than 55%.

The utility model discloses equipment for spraying the surface of a paper support, which comprises a rack, a first manipulator, a first tray, a second tray, a second manipulator and a workbench, the first manipulator, the first tray, the second tray and the second manipulator are positioned on one side of the rack, and the first manipulator or the second manipulator is used for grabbing the paper support to move back and forth between the rack and the first tray or the second tray. A closed sliding rail is arranged on the workbench, the sliding rail is arranged on the rack and driven to move circularly after speed reduction of a motor, a first chain wheel is arranged on the sliding rail, and a jig is fixed to the first chain wheel and used for clamping a paper support. The autorotation mechanism comprises a plurality of second chain wheels, the second chain wheels drive chains after being decelerated by a motor, and the chains can be matched with the first chain wheels; the spraying mechanism comprises a plurality of sprayers suspended above the side of the chain; the UV processing assembly is located on one side of the spraying mechanism and used for drying the sprayed paper support. According to the device, assembly line production is adopted, a to-be-sprayed paper support is conveyed to a spraying area and then rotates to complete overall spraying, and a finished product is obtained after UV treatment.

The utility model relates to the technical field of lighting lamps, in particular to a court lighting lamp convenient to adjust, which comprises a fixing column and a mounting frame, a fixing plate is fixedly connected to the top of the fixing column, a controller is mounted outside the fixing plate, a plurality of lighting lamp bodies are fixedly connected into the mounting frame, and a limiting shaft is fixedly connected to the top of the mounting frame. During use, the first motor drives the threaded rod to rotate, drives the external sleeve to move in the axial direction, and pushes the mounting frame to pitch around the limiting shaft through the connecting rod, so that the light pitch angle is flexibly adjusted according to the field height, and the second motor drives the rotating column, the connecting shaft and the fixing block to rotate, so that the mounting frame rotates horizontally. The lamplight direction is rapidly converted through horizontal adjustment, the first motor and the second motor are remotely controlled to operate through the controller, and lamplight angle conversion can be rapidly achieved without manual climbing operation.

The present invention relates to a zoom lens with a constant large aperture, comprising: a first lens group with positive focal power, a second lens group with negative focal power, an aperture, a third lens group with positive focal power, and a fourth lens group with positive focal power, which are arranged in sequence from the object side to the image side; the first lens group and the third lens group are fixed groups, the second lens group moves along the optical axis from the object side to the image side to perform a zoom from a wide-angle end to a telephoto end, and the fourth lens group moves along the optical axis to correct the image plane position during the zoom process; the first lens group and the second lens group satisfy: 2.0≤(d 12t ‑d 12w ) / fw≤4.0, where d 12t is the distance from the image side of the last lens of the first lens group to the object side of the first lens of the second lens group when the zoom lens is at the telephoto end; d 12w f is the distance from the image side of the last lens of the first lens group to the object side of the first lens of the second lens group when the zoom lens is at the wide-angle end; W This is the focal length at the wide-angle end.

The utility model discloses a lighting structure of an inflatable membrane structure shed, which relates to the technical field of lamps and comprises a PC (polycarbonate) board arranged on the surface of a membrane material, an anti-explosion junction box is fixedly mounted on the surface of the PC board, a connecting end of the anti-explosion junction box is fixedly connected with a cable, and the cable is distributed on the surface of the membrane material. A steel pipe is arranged below the anti-explosion junction box, and an LED lamp is fixedly installed at the bottom of the steel pipe. According to the technical scheme, the PC board is arranged on the membrane material, the PC board can be welded and fixed to the membrane material through the membrane material strip and used for preventing sliding, the center of the PC board is punched, the steel pipe of the lamp ceiling penetrates into the PC board, the steel pipe penetrating out is fixed through the gasket nut, and therefore the safety and reliability of the lighting lamp installed on the gas membrane structure membrane body are guaranteed. According to the structure of the lamp, a plurality of lighting lamps can be installed in a greenhouse according to requirements, and the requirement for uniform illumination in the whole space of a large-space air film structure can be met.

The utility model discloses a wide-angle linear spotlight which comprises a sectional material radiator and a sectional material lamp body support, lower end covers are installed at the left end and the right end of the sectional material radiator respectively, upper end covers are installed at the left end and the right end of the sectional material lamp body support respectively, and the tops of the lower end covers are hinged to the bottoms of the upper end covers through hinge screws. Hoodles are mounted on the inner side of the upper end cover, a plurality of grooves corresponding to the hoodles are formed in the lower end cover, a light source is mounted on the inner side of the lower portion of the profile radiator, an optical lens covers the bottom of the light source, an optical reflection cup covers the bottom of the optical lens, and an optical anti-dazzle cover is arranged at the bottom of the optical reflection cup. The guide rail lamp is simple in structure, convenient to use, easy in angle adjustment, stable in positioning after adjustment, free of loosening due to vibration, good in using effect, good in light emitting effect, high in lighting effect, good in anti-dazzle performance, large in light spot and uniform in illumination, one lamp can replace two guide rail lamps with the same power, and the use experience of consumers is good.

The utility model provides a lighting device which comprises a first lighting system, a second lighting system and a third lighting system. The first illumination system can form a first illumination light spot with uniform illumination on the surgical field area, and the first illumination light spot provides high-brightness illumination on the surgical field area; the inner diameter of a second illumination light spot formed by the second illumination system is smaller than the radius of the first illumination light spot, and the outer diameter of the second illumination light spot is larger than the radius of the first illumination light spot, so that the first illumination light spot and the second illumination light spot can be in uniform transition, the second illumination light spot increases the illumination area on an operation field area, a better visual environment is complementarily provided, and the operation efficiency is improved. Eye fatigue of operation personnel can be relieved; the color temperature and / or wavelength of a third illumination light spot formed by the third illumination system is different from the color temperature and / or wavelength of the first illumination light spot and the second illumination light spot, by setting the color temperature and / or wavelength of the third illumination light spot, the visual fatigue of an operator can be relieved, and the system is suitable for various operation environments such as non-external wound operations or cavity type operation lamps.

The utility model is suitable for the field of lighting equipment, and provides an uninterrupted light source tunnel lighting lamp which comprises a plurality of lamp bodies distributed in the extending direction of a tunnel. The light-emitting included angles of the adjacent lamps in the tunnel direction coincide, a light path channel formed by the multiple lamps is divided into a plurality of intervals in the tunnel direction, and light source adjustment is carried out with the intervals as a whole, so that through the lamp arrangement mode of continuous lamp arrangement, light sources are continuous, illumination is even, the problems of glare, stroboflash and the like are well solved, and the service life of the lamp is prolonged. The problem that the identification ability of a driver is reduced due to dazzle light of the lamp is reduced, and potential safety hazards of driving are reduced.

The present invention provides a portable lighting device, which makes the illumination range into a specific shape, makes the illumination within the illumination range roughly uniform, and does not require focus adjustment from short distance to long distance. The portable lighting device (1) of the present invention comprises: a light source (2); a collimator (3) for incident light from the light source (2); and a fly-eye lens (4) for incident light through the collimator 3, and comprises a plurality of lens units (40a) arranged two-dimensionally on the incident side of the light, and a plurality of lens units (40b) arranged two-dimensionally on the exit side in a manner opposite to each of the lens units (40a) on the incident side, each lens unit (40) being rectangular or hexagonal, and the illumination shape is rectangular or hexagonal.

The utility model discloses a direct-view blackboard lamp which comprises a lamp shell, a light source plate, a light reflecting piece and a diffusion plate. The light source plate, the light reflecting piece and the diffusion plate are located in the lamp shell. A light reflecting part, a mounting part and a light emitting part are arranged in the lamp shell, the mounting part and the light reflecting part are located below the light reflecting part, the mounting part and the light reflecting part are oppositely arranged, the light reflecting part and the light emitting part are oppositely arranged, and an included angle is formed between the mounting part and the light emitting part; the light source plate is located on the installation part, the light reflection part is covered with the light reflection piece, the light emitting part is covered with the diffusion plate, the light source plate is located on the installation part, and the light source plate faces the light reflection part so that light rays of the light source plate can be refracted to the diffusion plate through the light reflection piece to be emitted. The utility model has the advantages of preventing strong light from stimulating human eyes and ensuring the teaching effect.

A lighting system and lighting device, in which the inner side of the first light receiving element of the first light part includes at least two pairs of light receiving surfaces arranged opposite to each other in the first direction and the second direction respectively, the first LED light source is arranged in the third direction and the light emitting surface is surrounded by the two pairs of light receiving surfaces; the second LED light source of the second light part is arranged in the second direction and outside the first light receiving element, and the extension line of the central axis of the light emitting surface of the second LED light source intersects with the central axis of the light emitting surface of the first LED light source to form an angle of 20° to 60°; the inner side of the second light receiving element includes at least one main light receiving surface and a pair of auxiliary light receiving surfaces arranged opposite to each other in the first direction, the light emitting surface of the second LED light source faces the main light receiving surface, and the free end of the main light receiving surface allows part of the direct light of the second LED light source to pass through, and the part of the direct light intersects with the second direction to form an angle greater than 0°. The lighting system has uniform illumination, and the light fully utilizes the irradiation area, providing energy-saving, healthy and comfortable lighting.

The utility model discloses a light source system which comprises a light source mechanism. A collimating lens group; the fly's-eye lens group is arranged on an emergent light path of the collimating lens group, the fly's-eye lens group comprises a light transmitting area arranged in the center and a light uniformizing area surrounding the light transmitting area, the light uniformizing area is used for uniformizing light beams emitted by the collimating lens group, and the light uniformizing area is used for uniformizing the light beams emitted by the collimating lens group. The light transmitting area is used for transmitting light beams emitted by the collimating lens group; the condensing lens is arranged on an emergent light path of the fly's-eye lens group, and the condensing lens is used for converging emergent light of the fly's-eye lens group and projecting the emergent light to a target plane. According to the light source system, the light transmitting area is arranged in the central area of the fly-eye lens group and the light uniformizing area surrounds the light transmitting area, so that light spot central illumination and uniformity balance is formed on a target plane, and the application range of the light source system is widened.