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76 results about "Focal line" patented technology

Hybrid scanning antenna

A hybrid scanning antenna including: a reflector having a focal line; a first mechanical movement to move the reflector about a first axis; a second mechanical movement to move the reflector about a second axis; a linear array fixedly disposed along the focal line to electronically scan at a scan angle about a third axis; and a controller to control the first mechanical movement, the second mechanical movement and the scan angle of the linear array to orient the hybrid scanning antenna to a look angle of a remote transceiver.
Owner:HUGHES NETWORK SYST

Spectacle lens design, method of manufacturing a spectacle lens and method of providing a spectacle lens for at least retarding myopia progression

A spectacle lens design includes an aperture and at least two ring-shaped focusing structures surrounding the aperture. The aperture has a dioptric power, and the ring-shaped focusing structures surrounding the aperture provide an additional power relative to the dioptric power of the aperture. A ring-shaped diffuser is arranged between neighboring ring-shaped focusing structures. Neighboring ring-shaped focusing structures can adjoin each other with a ring-shaped contact line between them forming the ring-shaped diffuser. Neighboring ring-shaped focusing structures can also be arranged at a distance to each other and at least one of the ring-shaped focusing structures provides a ring shaped focal line. Neighboring ring-shaped focusing structures can also be arranged at a distance to each other and at least one of the ring-shaped focusing structures consists of lenslets that adjoin each other so as to form a ring of lenslets and provides a plurality of foci along a ring shaped line.
Owner:CARL ZEISS VISION INTERNATIONAL GMBH

Semi-collimating lens with virtual focal line and vehicle lamp

The utility model belongs to the technical field of car lamps, and particularly relates to a semi-collimating lens with a virtual focal line and a car lamp, the semi-collimating lens comprises a lens body, the two ends of the lens body are a light outlet end and a light inlet end respectively, the light inlet end is provided with a concave cavity with an opening facing a light source, and the top of the concave cavity forms a first light inlet surface; the side face of the concave cavity forms a second incident face, a third incident face is formed on the outer side of the second incident face in the horizontal direction, the projection contour line of the first incident face in the vertical plane is provided with a real focus F1, the focus of the light source coincides with the real focus F1, the projection contour line of the emergent face in the vertical plane is provided with a virtual focus F2, and the virtual focus F2 is located below the real focus F1. And the reverse extension line of the emergent light refracted by the light emergent surface is converged at the virtual focus F2. By means of the structure, the effect that light is collimated and received in one direction and diffused in the other direction can be achieved, reasonable distribution and efficient utilization of light rays are achieved, and therefore the more uniform lighting effect is achieved.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

A device for visualizing calibration of astigmatic eye focal lines

The utility model discloses a kind of visual calibration device of astigmatism eye focal line, comprising: axial position scale board, board face is printed with E-type visual target for distant visual detection;Cross visual target disc, coaxially rotatably embedded in through-hole;Several groups of pinholes, each group is arranged along visual target line two sides straight line, pinhole center connecting line is parallel with corresponding visual target line;Fixed shaft is through cross visual target disc center, and is mechanically connected with transmission device;LED light source, set in axial position scale board back surface.The utility model has beneficial effect: the utility model can provide clear and visible and invariable measured astigmatism eye objective existence astigmatism focal line of the person being examined, and can accurately determine the clear criterion that cross visual target line coincides with the focal line, so as to maximumly improve the accuracy of astigmatism eye astigmatism axial calibration, reduce the deviation of calibration astigmatism axial direction and actual astigmatism axial direction, improve determination accuracy and determination work efficiency.
Owner:SHENYUER OPTICAL INSTR (SHANGHAI) CO LTD

Glassless stereoscopic image display device with improved crosstalk through inclined pixel structure

A glassless stereoscopic image display device according to an embodiment of the present invention comprises: a display panel on which a plurality of rectangular pixels are arranged in a checkerboard manner; a lenticular lens which is composed of a plurality of convex lenses inclined at a predetermined angle in a predetermined direction with respect to the vertical axis of the display panel and is arranged on the front surface of the display panel; and a processor for controlling the display panel, wherein the plurality of pixels are arranged to be inclined to be parallel to a focal line formed according to the direction and angle in which the convex lenses are inclined, and the focal line is formed to be parallel to the convex lenses and is a set of focal points for a user to view a stereoscopic image.
Owner:MOPIC CO LTD

Method and device for high-precision dynamic coupling of variable-cone surface bent crystal and x-ray streak camera

The present application relates to the technical field of laser imaging, and in particular to a high-precision dynamic coupling method and device for a variable-tapered curved crystal and an X-ray streak camera, the method comprising: under the same optical path, respectively irradiating a variable-tapered curved crystal with a visible light source and X-rays, so that the variable-tapered curved crystal forms a visible light source focal line and an X-ray focal line on an imaging plate; acquiring position information of the visible light source focal line and the X-ray focal line by means of an image acquisition device, and extracting a focal line relative deviation; coupling the variable-tapered curved crystal and the X-ray streak camera by means of a three-dimensional adjustment mechanism, and continuously irradiating the variable-tapered curved crystal with the visible light source; and adjusting the position of the variable-tapered curved crystal by means of the three-dimensional adjustment mechanism according to the image acquisition device and the focal line relative deviation, so that the X-ray focal line coincides with a cathode slit of the X-ray streak camera. The purpose is to achieve high-precision coupling of the variable-tapered curved crystal and the X-ray streak camera.
Owner:LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS

Optical fiber focusing solar power generation device

The invention belongs to the technical field of power generation systems, and particularly relates to an optical fiber focusing solar power generation device. The device comprises a plurality of parabolic trough reflectors, a glass light collecting tube, a steam generating device, a steam turbine generator and a plurality of transmission optical fibers, a steam output tube of the steam generating device is correspondingly connected with a steam input end of the steam turbine generator, an axis of the glass light collecting tube is arranged at a focal line of the parabolic trough reflectors, and the parabolic trough reflectors are arranged in parallel. Each parabolic groove-shaped reflector is correspondingly provided with a glass light collecting tube, a collecting end of a transmission optical fiber is correspondingly arranged in each glass light collecting tube, and an output end of each transmission optical fiber is connected to a heat source input end of the steam generating device. According to the invention, a plurality of transmission optical fibers are converged to the same heat exchange system, and the plurality of transmission optical fibers play a role in secondary light condensation, so that a high-efficiency and low-cost solar heat energy conversion scheme is realized, and new possibility is provided for progress and popularization of a photo-thermal power generation technology.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Optical coupling assembly, optical system with optical coupling assembly and vehicle lamp

The invention discloses an optical coupling assembly, an optical system with the optical coupling assembly and a vehicle lamp. The optical coupling assembly is located in the light emitting direction of a point light source. The optical coupling assembly is a free-form surface, light rays emitted by the point light source are refracted on the surface of the optical coupling assembly, the optical coupling assembly collimates the light rays emitted by the point light source in one direction, in the other direction perpendicular to the direction, reverse extension lines of the refracted light rays are converged to a virtual focal line, and the virtual focal line is a straight line. The invention has the advantage of providing an accurate collimation basis for the light emitting assembly.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Nano-cavity sensor for efficiently exciting fluorescence and use method of nano-cavity sensor

The invention discloses a nano-cavity sensor for efficiently exciting fluorescence. The nano-cavity sensor comprises a quartz substrate layer, a micro-lens layer and a metal film layer which are sequentially arranged from bottom to top, the micro-lens layer is located above the quartz substrate layer and comprises a plurality of spherical-table-shaped micro-lenses protruding upwards; and the metal film layer is positioned on the quartz substrate layer and the micro lens layer, and is provided with through nano holes which are in one-to-one correspondence with the centers of the top planes of the table-shaped micro lenses. When exciting light enters, the spherical table type micro lens can focus a light beam emitted into the lens cavity from the bottom to the bottom of the nanopore to form a zero-mode waveguide effect, and fluorescent substances in the nanopore are excited through an evanescent field. The spherical table type micro lens modulates the direction of an excitation light beam, the light beam is converted into local enhanced excitation from parallel incidence, modulation of excitation photoelectric magnetic field distribution at the bottom of a nanopore and in a nanocavity in a solution environment is achieved, and distribution of an electromagnetic field is described by using a caustics line. According to the device, the excitation efficiency of a light path system on fluorescence is remarkably improved.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI

Apparatus and method for acquiring concentrated solar energy

A system and method for solar energy concentration is provided. One embodiment has a reflective trough with a reflective upper surface that reflects incident sunlight energy towards a focal line; a solar evacuated tube heat collector defined by a transparent fluid container member that has a length that corresponds to a length of the reflective upper surface of the reflective trough, wherein the solar evacuated tube heat collector is located along the focal line associated with the reflective trough such that an interior of the transparent fluid container member encompasses the focal line; and a wave guide located above and in proximity to the solar evacuated tube heat collector having a length corresponding to the length of the solar evacuated tube heat collector, wherein a lower surface of the wave guide has a reflective lower surface that reflects incident sunlight energy downwards onto the solar evacuated tube heat collector.
Owner:CICCARELLO LEON +1

Low-beam widening focal line lens, related lens module and lighting module

The present application relates to the technical field of vehicle lamps. Disclosed are a low-beam widening focal line lens, a related lens module and a lighting module. The low-beam widening focal line lens comprises a first curved surface, a first total reflection surface and a second total reflection surface that are integrally formed. A beam of parallel light is incident on the first curved surface, converged by the first curved surface, then reflected by the first total reflection surface and the second total reflection surface, and converged to a focal line. By means of the integrally formed focal line lens structure, vertical focusing is achieved, such that horizontal and vertical focusing are separated, and the vertical focal length is greater than the horizontal focal length, thereby helping to achieve a low-beam widened light pattern that is wide in the horizontal direction and narrow in the vertical direction; the integrally formed focal line lens is a single-layer lens, which effectively reduces Fresnel loss; total reflection can be used to fold an optical path and shorten the size, which reduces the volume and weight of the lens while improving the optical efficiency, thereby facilitating energy saving and cost saving; with less refraction, the projected light pattern exhibits low chromatic dispersion and good color uniformity; and the lens has good consistency in static appearance, thereby helping to meet different styling requirements.
Owner:MIND ELECTRONICS APPLIANCE CO LTD

Optical structure capable of lighting uniformly, automobile lamp and automobile

The utility model relates to the technical field of automobile lamps, and discloses an optical structure capable of achieving even lightening, an automobile lamp and an automobile. The optical structure capable of being lightened uniformly comprises a first optical unit, a second optical unit and a third optical unit, the second optical unit is arranged above the first optical unit, and the second optical unit is of a reflection structure; the reflected light and the incident light are converged by the first optical unit and then are reflected by the second optical unit, so that uniform light emission is realized; the first optical unit is provided with a focal point or a focal line, and the inner wall of the second optical unit is provided with patterns used for reflecting and evenly distributing light. Light rays are gathered through the light gathering structure of the first optical unit, the light distribution patterns on the inner surface of the reflection structure of the second optical unit are evenly distributed, and the light ray uniformity and the lighting effect utilization rate are remarkably improved. The automobile lamp is flexible in structure and suitable for various application scenes such as automobile lamps.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Car lamp module and car lamp

The utility model provides a car lamp module and a car lamp, and relates to the technical field of car lamps, and the car lamp module comprises a high beam module, a low beam module, an outer lens and a shading plate. Wherein the outer lens comprises a high-beam area and a low-beam area, the high-beam area is a focus lens, the low-beam area is a focal line lens, and the shading plate is located between the high-beam module and the low-beam module. The high-beam module comprises a first light source and a first optical unit, at least part of a light-emitting area of the first light source responds to the high-beam control instruction to emit a first light beam, the first light beam has an anti-dazzling function, and the first optical unit receives the first light beam and enables the first light beam to be emitted from a high-beam area of the outer lens as a high-beam light beam; therefore, an anti-dazzling distance light illumination function is realized. The low-beam module comprises a second light source and a second optical unit, the second light source responds to the low-beam control instruction to send out a second light beam, and the second optical unit receives the second light beam and enables the second light beam to be emitted from the low-beam area of the outer lens as a low-beam light beam, so that the low-beam illumination function is achieved.
Owner:MIND ELECTRONICS APPLIANCE CO LTD

A segmented CPC solar concentrator and a method of designing the same

The application provides a sectional CPC solar concentrator and a design method thereof. A compound parabolic reflector is fixed in a frame. A flat plate receiving surface is a heat absorbing surface of a flat plate light receiving body. The compound parabolic reflector is symmetrically arranged on both sides of the flat plate receiving surface. The compound parabolic reflector is composed of multiple sub-reflectors. The sub-reflectors are sequentially connected in a head-to-tail mode. The focal lines of the sub-reflectors on the flat plate receiving surface are evenly arranged from the middle to both sides. The focal lines of the sub-reflectors are different and parallel to each other. The sectional design of the traditional trough type parabolic concentrator profile is adopted, so that the energy flow density on the flat plate receiving surface is evenly distributed in multiple focal lines. The uniformity of the energy flow density distribution on the flat plate receiving surface of the concentrator is effectively improved. The thermal stress concentration on the flat plate receiving surface is greatly reduced. The service life of the concentrator is effectively prolonged.
Owner:INNER MONGOLIA UNIV OF TECH

Uniform lighting optical system and vehicle lamp

The optical system comprises an imaging unit, at least part of the contour line of the imaging unit is a parabola, and a focal point F of the parabola forms a focal line a in the normal direction; the light source corresponds to the imaging unit, and the center of the light source is arranged along the focal line a; the mirror surface is perpendicular to the focal line a and is at least arranged on one side of the light source; one part of light emitted by the light source is directly emitted after being reflected by the imaging unit, one part of the light is reflected to the mirror surface through the imaging unit and then emitted after being reflected by the mirror surface, and one part of the light is directly emitted to the mirror surface and then emitted after being reflected. According to the optical system capable of lighting uniformly and the vehicle lamp, the brightness of corners / edges can be improved, and the effect of lighting uniformly is achieved.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Reflective headlamp optical system

The utility model discloses a reflective headlamp optical system, which comprises a light source, a primary optical unit, a first imaging part and a second imaging part, the primary optical unit is located in the light emitting direction of the light source and used for adjusting the emitting angle of light emitted by the light source. The first imaging part is located in the light emitting direction of the primary optical unit, and the first imaging part is used for reflecting the light rays adjusted by the primary optical unit; the second imaging part is located in the light emitting direction of the first imaging part, and the second imaging part is used for reflecting and emitting light passing through the first imaging part; the first imaging part is provided with a first focal line in the first direction, the second imaging part is provided with a second focal line in the second direction, the first focal line and the second focal line form a focus area of the whole optical system, and the optical system has the advantages of being even in lighting and avoiding dispersion.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Reflection type optical system capable of achieving horizontal large-angle irradiation and vehicle lamp

The utility model belongs to the technical field of car lamps, and particularly relates to a reflective optical system and a car lamp capable of achieving horizontal wide-angle irradiation, the reflective optical system comprises a light source and a reflecting unit, the reflecting unit comprises a first reflecting surface and a second reflecting surface which are arranged in an intersecting mode, and the light source is arranged at the intersection point of a first focal line and a second focal line. According to the utility model, the first reflecting surface and the second reflecting surface are arranged in a crossed manner, and a certain included angle is formed between the two reflecting curved surfaces, so that the light utilization efficiency can be improved under the condition of limited opening width, the large-angle projection of light rays is realized, and the first reflecting surface and the second reflecting surface are paraboloids or similar paraboloids, so that the light utilization efficiency is improved. The light can be freely diffused in the horizontal direction by adjusting the shape and the focus position of the paraboloid; and the intersection point obtained by intersection of the focal lines of the respective reflecting surfaces is the position of the light source, so that the design ensures that the light emitted by the light source can realize an ideal projection effect after passing through the reflecting surfaces.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Lighting device for vehicles and methods

Lighting device for vehicles with a light source (3, 13, 13', 23) and with a reflector unit assigned to the light source (3, 13, 13', 23), which deflects a light beam emitted by the light source (3, 13, 13', 23) in the main emission direction (H) to produce a predetermined light distribution (L V ) and with a drive unit (7) for generating a relative movement between the light source (3, 13, 13', 23) and the reflector unit, characterized in that the reflector unit has a fixed reflector (4, 14, 24) and that the light source (3, 13, 13', 23) is arranged so as to be rotatable on a circular focal line (B) of the fixed reflector (4, 14, 24) and that the drive unit (7) sets the light source (3, 13, 13', 23) in motion in such a way that a predetermined light distribution (Lv) is generated by a plurality of partial light distributions (L1, L2, L3, L n) is formed.
Owner:HELLA GMBH & CO KGAA

Controllable concentrated ammonia decomposition hydrogen production system and control method

The present invention discloses a controllable concentrated ammonia decomposition hydrogen production system and control method, comprising a reflective assembly and an ammonia decomposition assembly. The reflective assembly includes a mirror field frame, a flexible reflector, and a curling adjustment structure. The flexible reflector is parabolically curved and arranged on the sunward side of the mirror field frame. The curling adjustment structure is respectively connected to the two ends of the flexible reflector along the parabolic direction. The curling adjustment structure drives the two ends of the flexible reflector to move along the parabolic curvature of the mirror field frame to unfold and curl the two ends of the flexible reflector. The ammonia decomposition assembly includes an ammonia decomposition reaction tube, an ammonia decomposition catalytic module is disposed within the ammonia decomposition reaction tube, and the central axis of the ammonia decomposition reaction tube is located at the parabolic focal line of the flexible reflector. In the present invention, the area of ​​the flexible reflector can be flexibly adjusted according to the different intensities of solar radiation, thereby providing a suitable reaction temperature for the ammonia decomposition reaction. When solar thermal energy is insufficient, the electricity generated by the solar panel can be used for electric auxiliary heating.
Owner:FOSHAN XIANHU LAB

Focus ray paraboloid detection equipment and use method

The invention discloses focus ray paraboloid detection equipment and a use method, and belongs to the field of solar reflector precision detection. The device comprises a ray source, a scale and a keel, rays of the ray source or an extension line of the rays penetrate through a paraboloid focus to be detected, a dial corresponding to the ray source is arranged on the scale, an original point of the dial and an intersection point ray source are located on the same paraboloid, and the ray source and the scale which are located on the same paraboloid are fixedly connected through a support. The focus ray paraboloid detection unit is called as a focus ray paraboloid detection unit; the number of the focus ray paraboloid detection units is two or more, the focus ray paraboloid detection units are connected through the keel, and the focus ray paraboloid detection units are arranged in parallel and are perpendicular to the keel. By adopting the paraboloid detection equipment, the system error caused by the detection according to the theoretical paraboloid focal line of the traditional paraboloid detection equipment is eliminated, and the optical interception rate of the heat collector is improved.
Owner:HARBIN QINGHEFENG TECHNOLOGY CO LTD

Spectacle lens design, method of manufacturing a spectacle lens and method of providing a spectacle lens for at least retarding myopia progression

A spectacle lens design includes an aperture and at least two ring-shaped focusing structures surrounding the aperture. The aperture has a dioptric power, and the ring-shaped focusing structures surrounding the aperture provide an additional power relative to the dioptric power of the aperture. A ring-shaped diffuser is arranged between neighboring ring-shaped focusing structures. Neighboring ring-shaped focusing structures can adjoin each other with a ring-shaped contact line between them forming the ring-shaped diffuser. Neighboring ring-shaped focusing structures can also be arranged at a distance to each other and at least one of the ring-shaped focusing structures provides a ring shaped focal line. Neighboring ring-shaped focusing structures can also be arranged at a distance to each other and at least one of the ring-shaped focusing structures consists of lenslets that adjoin each other so as to form a ring of lenslets and provides a plurality of foci along a ring shaped line.
Owner:CARL ZEISS VISION INTERNATIONAL GMBH

A hyperbolic geometric phase lens with dual focal lines

This invention relates to a hyperbolic geometric phase lens with dual focal lines. It utilizes micro-nano fabrication technology to construct the microstructure of the hyperbolic geometric phase diffraction lens, ensuring it conforms to the phase distribution of a hyperbolic function. By exhibiting the optical characteristics of a hyperbolic lens through geometric phase, it focuses left-handed and right-handed circularly polarized light onto two mutually perpendicular lines, thus achieving a planar hyperbolic lens with dual focal line characteristics. Compared to existing technologies, this invention can focus left-handed and right-handed circularly polarized light onto two mutually perpendicular directions. By setting different focal length parameters for the two perpendicular directions, the fabricated device can also focus beams of different circularly polarized states onto focal lines at different distances, with the two focal lines formed being mutually perpendicular. Utilizing the device's different responses to different circularly polarized states, and the diffraction pattern presenting two distinctly different perpendicular intersecting lines concentrated in the central region, the polarization state of the original incident light can be analytically determined.
Owner:EAST CHINA UNIV OF SCI & TECH

A spectrometer, a spectral detection method

The application discloses a spectrometer, which comprises an incident light, a collimating lens group, a cylindrical lens array, an F-P flat plate, a grating, a focusing lens group and a light signal processing assembly arranged in sequence along an optical axis; the collimating lens group, the cylindrical lens array, the F-P flat plate, the grating, the focusing lens group and the light signal processing assembly are coaxially arranged in the same height; the cylindrical lens array and the F-P flat plate are arranged in parallel and are inclined to one side so that the focal line of the cylindrical lens array is focused on the incident surface of the F-P flat plate; a slit array is arranged on the incident surface of the F-P flat plate; the slit array comprises a plurality of incident slits arranged on the incident surface of the F-P flat plate and equidistant along the Y-axis direction; a high reflection film is arranged on the incident surface of the F-P flat plate, and a reflection film is arranged on the exit surface; the spectrometer has the advantages of reducing the incident loss, increasing the light intensity, improving the detection signal strength, increasing the sensitivity detection and improving the detection precision; and the application further discloses a spectrum detection method, which has the advantages of improving the detection signal strength and increasing the sensitivity detection.
Owner:ZHU HAI HENG QIN HUA CHEN WEI KE JI YOU XIAN GONG SI

Non-destructive method and device for detecting bulk defects and determining their depth distribution in semiconductor wafers

The device and method according to the invention serve for the non- destructive detection of bulk defects in semiconductor wafers (W) and for determining their depth distribution. In the solution according to the invention, illumination is performed from a polished surface of the semiconductor wafer (W) without breaking the wafer (W), by focussing an illumination beam (11) into the vicinity of a focal line (13) and detecting the light (14) scattered by the illuminated bulk defects. Satisfactory accuracy in determining the depth distribution of the bulk defects is achieved by forming an intermediate image from the scattered light (14) collected by an objective (21 ) using a bi-telecentric optical system (43), and masking part of the intermediate image with an aperture (42), preferably a slit, so that at any given time only the scattered light (14) arriving from a selected small spatial region reaches a detector (44). By coordinated movement β€” at least in the depth direction β€” of the systems performing illumination and imaging relative to the semiconductor wafer (W), the depth distribution of the bulk defects is also determined.
Owner:SEMILAB SEMICON PHYSICS LAB CO LTD

Optical filter and artificial light illumination device for reproducing the light of the sky and the sun using the same

The present invention refers to an optical filter (100) comprising an inlet surface (101) and an outlet surface (102) which are substantially flat and parallel, a plurality of locally planar and mutually locally parallel visible light absorbing sectors (108) extending between the inlet surface (101) and the outlet surface (102) for a sector length (L), and a plurality of solid transparent sectors (103) made with at least one solid material transparent to visible light, each transparent sector (103) of the plurality of transparent sectors being interposed between two absorbing sectors (108) to create an alternation of transparent sectors (103) and absorbing sectors (108) adjacent to and in contact with each other, wherein each visible light absorbing sector (108) of the plurality of visible light absorbing sectors (108) borders at most two transparent sectors (103) of the plurality of transparent sectors (103), and / or wherein a distance between adjacent absorbing sectors (108) of the plurality of absorbing sectors (108) is substantially constant, wherein each transparent sector (103) of the plurality of transparent sectors is locally arranged and configured to have such a refractive power that, given a first collimated light (201) which impinges on the inlet surface (101) along an incidence direction (D) at a local region of the inlet surface (101), the transparent sector (103) focuses the first collimated light (201) along a first focal line (203) orthogonal to a local plane of incidence (P), and / or gives a second collimated light (202) which impinges the outlet surface (102) along an incidence direction (D) at a local region of the inlet surface (101), the transparent sector (103) focuses the second collimated light (202) along a second focal line (204) orthogonal to a local plane of incidence (P), wherein a plane orthogonal to the inlet surface (101) and containing a normal (N) to an absorbing sector (108) of the plurality of absorbing sectors D at the local region of the inlet surface (101) defines the local plane of incidence (P), and the intersection between the local plane of incidence (P) and the surface of an absorbing sector (108) defines the incidence direction (D) substantially common to the whole inlet surface (101).
Owner:COELUX

Focal point ray parabolic surface detection apparatus and method of use

ActiveCN121026004BCollector deviceRay
The application relates to a focal ray parabolic surface detection device and a use method, and belongs to the field of solar reflector precision detection. The application comprises a ray source, a scale and a keel. The rays of the ray source or the extension lines thereof pass through the focal points of a parabolic surface to be detected. A scale dial corresponding to the ray source is arranged on the scale. The origin and the intersection point of the scale dial are located on the same parabolic surface as the ray source. The ray source and the scale located on the same parabolic surface are connected and fixed through a support, and are called a 'focal ray parabolic surface detection unit'. The focal ray parabolic surface detection unit has two or more than two units, and the units are connected through a keel. The units are arranged in parallel with each other and are perpendicular to the keel. The parabolic surface detection device eliminates the system error caused by the detection of a theoretical parabolic focal line of a traditional parabolic surface detection device, and improves the optical interception rate of a heat collector.
Owner:HARBIN QINGHEFENG TECHNOLOGY CO LTD

High-beam and low-beam module, system and device for realizing flat and wide light pattern

The invention provides a high-beam and low-beam module, system and device capable of achieving the flat and wide light pattern, the high-beam and low-beam module comprises a focal line outer lens, a reflection bowl, an LED light source and a reflection surface, the outer lens is provided with a transverse focal line, and the light is collimated in the vertical direction; the reflecting mask is provided with a longitudinal focal line and collimates light in the left-right direction; the two parts form a focusing and separating optical system, generate a longitudinally compressed and transversely expanded light pattern together, and are suitable for an automobile headlamp illumination system.
Owner:SUZHOU SHENBO ELECTRONIC TECH CO LTD

A kind of bilinear focusing type focal length adjustable solar energy collector

ActiveCN115420025BGuaranteed full penetrationSolar heating energySolar heat storageCollector deviceWasher
The application relates to a kind of bilinear focusing type focal length adjustable solar energy collector. It is composed of collector frame, bilinear light collecting plate, alternate heat supply type heat collecting pipe, heat collecting pipe clamp, floating support beam, washer, butterfly nut and bolt, wherein the bilinear light collecting plate is installed on the top of the collector frame, two floating support beams are installed on the middle of the left and right ends of the collector frame through the washer and butterfly nut, each floating support beam is installed with two heat collecting pipe clamps through the washer, butterfly nut and bolt, and the heat collecting pipe clamps on the two floating support beams are opposite to each other, two alternate heat supply type heat collecting pipes are installed in the heat collecting pipe clamps, and the installation positions of the floating support beam and heat collecting pipe clamp can be adjusted through the butterfly nut and washer, so as to ensure that the focusing focal line is completely shot into the alternate heat supply type heat collecting pipe.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Light guide assembly, signal lamp and vehicle

The invention provides a light guide assembly, a signal lamp and a vehicle, and relates to the technical field of vehicle signal lamps. The light guide assembly comprises a reflector, the reflector comprises a reflecting surface, the reflecting surface is opposite to a light emitting surface of a light source, the reflecting surface is used for reflecting light rays of the light source and converging the light rays on a first focal line, and the first focal line extends in a first direction; the light guide part is arranged on one side of the reflecting mirror, the light guide part comprises a light inlet face and a light outlet face which are oppositely arranged in the second direction, the light outlet face is located on the side, away from the reflecting mirror, of the light inlet face, and the light rays gathered on the first focal line enter the light guide part through the light inlet face and are emitted out through the light outlet face; the size of the light guide part in the first direction is larger than the size of the light guide part in the third direction, and the first direction, the second direction and the third direction are perpendicular to one another. Therefore, the ultra-narrow opening of the signal lamp is realized, and the lighting effect is improved.
Owner:MIND ELECTRONICS APPLIANCE CO LTD