284 results about "Condensing lens" patented technology

The invention discloses a dynamic multi-spot projection optical system based on an LED light source, which comprises the LED light source, a reflecting cover, a grating sheet, a condensing lens, a concave reflector and an optical reflection assembly, and is characterized in that the LED light source is arranged at the bottom of the reflecting cover, and the grating sheet is provided with a light-transmitting area with a preset pattern shape; the reflecting cover consists of a plurality of plane reflectors A; the concave reflector consists of a plurality of plane reflectors B; light emitted by the LED light source forms a pattern light beam through the grating piece, the light beam is divided and reflected into a plurality of sub light beams through the conical reflecting cover, and the sub light beams are guided to the condensing lens through the optical reflecting mirror set. According to the invention, a low-cost, laser-free and safe LED scheme is adopted, and through innovative optical design, a complex dynamic light and shadow effect comparable to or even surpassing laser projection is realized, and the imaging definition is kept unchanged within a projection distance range of 2-15 meters.

The invention belongs to the field of solar photovoltaics, and provides a CCLFR concentrating solar photovoltaic system and power generation equipment. The CCLFR concentrating solar photovoltaic system comprises a CCLFR concentrator, a supporting structure and PV assemblies which are arranged from bottom to top, wherein the PV assemblies are symmetrical left and right; the CCLFR condenser is of an axisymmetric structure and is a condensing mirror field formed by alternately arranging a plurality of plane mirrors; each plane mirror is used for reflecting incident light to the surface of the corresponding PV assembly; wherein the layout of each plane mirror is related to the width of the battery, the placement height of the photovoltaic battery, the inclination angle of the photovoltaic battery, the inclination angle of the mirror surface, the X-axis coordinate value of the mirror surface end point, the included angle between the reflection light of the mirror surface end point and the X axis, the width of the mirror surface, the width of the mirror field and the transverse distance between two adjacent mirror surfaces.

To provide a laser radiation device which can prevent a removed object from adhering to cover glass for protecting a condensing lens in a reliable manner.SOLUTION: In a laser radiation device, a focus lens 1 which causes a laser beam P to converge and be focused on a surface of an object is provided. The laser radiation device which removes an object Q to be removed on an object surface with the laser beam is formed. Cover glass 2 is disposed on the front surface side of the focus lens 1. The laser radiation device includes suction means which suctions the removed object Q and jetting means which jets compressed air R to a surface of the cover glass 2. The compressed air R jetted from the jetting means is suctioned by the suction means.SELECTED DRAWING: Figure 1

The invention discloses a groove type photo-thermal photovoltaic power station and sand plant composite installation structure and method, and aims to solve the problems that in the prior art, installation and adjustment of a groove type collecting lens are relatively difficult, the groove type collecting lens cannot adapt to the slope of the top of a sand plant steel structure shed, flexible adjustment cannot be conducted according to the illumination angle, and the installation cost is low. And the light energy utilization efficiency of the photo-thermal photovoltaic power station is influenced. The installation structure comprises a sand yard steel structure shed, the top of the sand yard steel structure shed is provided with a groove type solar thermal power generation assembly, the groove type solar thermal power generation assembly comprises a longitudinal supporting plate, and the top of the longitudinal supporting plate is provided with a rotatable bottom supporting pipe. And the device can adapt to the slope of the top of the steel structure shed of the sand plant, so that the angle of the groove type collecting lens can be adjusted, and the light energy utilization efficiency of a photo-thermal photovoltaic power station is improved.

The utility model discloses an electric microscope, belongs to the technical field of biological microscopes, and solves the problems that the structural parameters of the existing electric microscope cannot be adjusted, an objective table shakes in the focusing motion process, and a slide is easy to crush. The device comprises a base and a supporting vertical plate, the other side of the supporting vertical plate is provided with an electric mechanism for controlling the collecting lens assembly and the objective table to ascend and descend, the electric mechanism comprises a main lifting motor, a guide rail II, a ball screw I and a sliding block assembly I, the output end of the main lifting motor is connected with the ball screw I, the sliding block assembly I is installed on the guide rail II in a sliding mode, and the sliding block assembly I is in threaded connection with the ball screw I; and the slide block assembly I is in threaded connection with a pressure adjusting screw. According to the electric microscope, the front-and-back and left-and-right moving range of the slide is enlarged, the risk that the slide is crashed or a mechanical structure is damaged by electric control is reduced, and the influence of shaking in the lifting process of the objective table is reduced.

A beam projection apparatus includes a light source, micromirror component, a light guide lens set, a projection lens, a condensing lens with a lens portion and an asymmetrical lens portion extending from the lens portion and having a cut surface, and a wavelength conversion component disposed at a side of the condensing lens for at least partially converting a wavelength of a color light and reflecting the color light to the condensing lens. The light source is disposed corresponding to the cut surface and emits the color light. The micromirror component is disposed at another side of the condensing lens relative to the wavelength conversion component. The light guide lens set is disposed on a light exit axis of the lens portion to guide the color light to be incident to the micromirror component for forming a projection beam. The projection lens receives the projection beam for optical projection.

The present invention provides a vehicle lamp having a simple structure and capable of achieving a desired light distribution on a shading component. The vehicle lamp (10) comprises: a first light source (21) and a second light source (22) having light-emitting surfaces (21a, 22a) and arranged in a predetermined parallel direction (Dp); a single condensing lens (12) for converging light emitted from the first light source (21) and the second light source (22); a shading component (13) provided with an irradiation slit (26) for partially passing the light condensed by the condensing lens (12); and a projection lens (14) for projecting light after passing through the shading component to form an irradiation pattern (Pi). The first light source (21) and the second light source (22) are arranged at a distance (d) greater than the dimension of the luminous surfaces in the parallel direction (Dp). The condensing lens (12) forms a high light intensity area (HA) with the highest light intensity on the shading component, thereby achieving a single light distribution in the parallel direction (Dp).

This application provides a soft flash structure and a mobile phone. The soft flash structure includes a soft light, a soft lens, and a light shield. The curved reflective lens section has an incident curved surface and a reflecting curved surface on opposite sides, both curved away from the planar lens section. The planar lens section has a reflecting plane on opposite sides, and the condensing lens section has a condensing reflecting surface and a light emitting surface on opposite sides. The incident curved surface, one reflecting plane, and the condensing reflecting surface are connected sequentially, as are the reflecting curved surface, the other reflecting plane, and the light emitting surface. The soft light, the curved reflective lens section, the planar lens section, and the condensing lens section are housed together within the light shield. The light emitted by the soft light is at least partially incident on the incident curved surface and reflected sequentially by the reflecting surface, the two reflecting planes, and the condensing reflecting surface, before exiting through the light emitting surface. The aforementioned soft flash structure can form a gradually softened light spot with better light uniformity.

The invention discloses a design method of a uniform condensing lens with wide angular domain receiving performance, which relates to the technical field of space solar power stations and comprises the following steps: constructing energy equations of each receiving area and a plurality of lens ring teeth corresponding to the receiving area by taking uniform energy distribution on each receiving area as a constraint; wherein the lens ring teeth are located on the emergent surface of the lens, and light enters from the incident surface of the lens and reaches each receiving area after being refracted; determining a lens ring tooth number corresponding to each receiving area according to a preset condensation ratio and an energy equation; analyzing the influence of the inclination angle of the lens ring tooth on the optical characteristics of the lens ring tooth, and obtaining the critical value of the inclination angle of the lens ring tooth and the optimal focal length of the lens; and designing a generatrix of the lens, and constructing a uniform condensing lens function with wide-angle-domain receiving performance so as to realize parameter design of the lens. The problem that the condensation efficiency and the light spot uniformity are suddenly reduced during non-vertical incidence of light can be effectively solved.

The invention relates to a photovoltaic universal enhancement tube, which comprises a hollow tube, a condensing lens, a transmission optical fiber, a photovoltaic sheet and an output socket, and is characterized in that external light is focused by the condensing lens, then is directionally conducted to the photovoltaic sheet by the transmission optical fiber, is converted into electric energy by the photovoltaic sheet, and is output through the output socket; through the combination of the condensing lens, the insulating pottery tube and the directional optical fiber, the light intensity density received by the photovoltaic sheet is improved by 3-5 times compared with that of a traditional planar photovoltaic device, and the photoelectric conversion efficiency is remarkably enhanced.

The utility model relates to the technical field of beauty physiotherapy equipment, and provides a phototherapy device, which comprises a shading plate, a phototherapy assembly and a fixing layer, and is characterized in that the shading plate is provided with a first accommodating groove; the phototherapy assembly comprises a lamp strip and a condensing lens which are arranged in the first containing groove, the side, opposite to the shading plate, of the lamp strip is electrically connected with a lamp bead, and the condensing lens covers the lamp bead. The fixing layer is formed in the first containing groove so as to package and fix the lamp strip and the condensing lens, and the condensing lens is exposed out of the fixing layer. The phototherapy effect of the device can be improved, so that the use experience of a user is improved.

A multicolor light mixing module includes a light-dividing unit, a light-homogenizing member, a first laser set including first and second lighting units in a sequential arrangement, a light-mixing unit obliquely opposite to the light-dividing unit for guiding a first color light of the first lighting unit and a second color light of the second lighting unit along first and second light-mixing axes to form first and second laser beams, and a condensing lens. The light-dividing unit is obliquely opposite to the first laser set to allow partial transmission and partial reflection of the first and second color lights, for guiding the first and second color lights along first and second light-dividing axes. The light-homogenizing member is disposed on the first and second light-mixing axes for homogenizing the first and second laser beams. The condensing lens between the light-homogenizing member and the light-mixing unit condenses the first and second laser beams.

The utility model relates to a light emitting device. The light-emitting device comprises a light-emitting assembly, a shading piece and a condensing lens, the light-emitting assembly comprises a light-emitting chip, the light-emitting assembly is provided with a mounting groove, and the light-emitting chip is arranged in the mounting groove. At least part of the shading piece is arranged in the installation groove, the shading piece is provided with a light passing hole corresponding to the light-emitting chip, the light passing hole is provided with a light passing opening for limiting the light passing amount, and the size of the light passing opening is smaller than or equal to the size of the light-emitting face of the light-emitting chip. The condensing lens is arranged on the light-emitting assembly or the shading piece and corresponds to the light passing hole. The light-emitting device can output small-angle light beams only by means of the shading piece and the condensing lens, a plurality of lenses do not need to be arranged, and the structure is simple; the size of the shading piece is matched with the size of the light-emitting chip, and the size of the condensing lens is matched with the size of the light passing hole, so that the size of the light-emitting device can be greatly reduced, the miniaturization of the light-emitting device is realized, and the cost of the light-emitting device is remarkably reduced.

The application discloses a high-energy extremely-short-pulse-width incandescent light source system based on argon, and relates to the field of air flow tests.The high-energy extremely-short-pulse-width incandescent light source system comprises a high-voltage electrode for performing arc flash when high voltage is applied, the high-voltage electrode comprises a high-voltage anode and a high-voltage cathode capable of performing arc flash when high voltage is applied, and the high-voltage anode and the high-voltage cathode have a predetermined distance; an argon supply device for supplying argon between the high-voltage anode and the high-voltage cathode; a light device and a condenser lens group oppositely arranged on both sides of the high-voltage electrode; a power supply for supplying power to a high-voltage energy storage device, wherein the high-voltage energy storage device is electrically connected with the high-voltage electrode; a control module for performing time sequence control on the high-voltage anode and the high-voltage cathode; and an input and output module connected with the control module and the power supply.The application uses argon instead of conventional air as an ionization medium in the high-voltage electrode, so that the extremely-short-pulse-width can be realized when arc flash occurs, and the electrode can be prevented from being oxidized and damaged.

The invention discloses a groove-type solar mirror surface bracket, relates to the technical field of solar thermal power generation equipment, and provides the following scheme that the groove-type solar mirror surface bracket comprises a balance plate and a first arc-shaped placement frame fixedly connected to one side of the balance plate, and further comprises extension mechanisms which are arranged on the two sides of the balance plate and used for expanding a transverse mounting surface of the groove-type solar mirror surface bracket, the device is suitable for groove type collecting lenses with different transverse lengths; the clamping and fixing mechanism is arranged on one side of the first arc-shaped placement frame and the extension mechanism and is used for mounting, clamping and fixing the groove type solar mirror surface and expanding a longitudinal mounting surface according to the longitudinal radian and size of the mirror surface, and the fixing stability and the adaptation flexibility are both considered; and the turnover mechanism is arranged on the other side of the balance plate. Angle adjustment is accurate, the solar energy utilization efficiency is greatly improved, meanwhile, the installation face can be flexibly expanded and is suitable for collecting lenses of multiple specifications, operation is automatic and convenient, the operation and maintenance cost is reduced, the structural stability is high, and the service life of equipment is prolonged.

A laser processing head (10) is provided with: a bending mirror that bends a second laser in a direction that intersects a first laser; a dichroic mirror that transmits most of the first laser to the workpiece (W) side and reflects most of the second laser to the workpiece side; a workpiece-side condensing lens that condenses each laser and irradiates the workpiece; an image sensor that receives a remaining portion of the first laser reflected by the dichroic mirror and a remaining portion of the second laser transmitted through the dichroic mirror; a detection-side condensing lens that condenses each laser and irradiates the image sensor; and an adjustment unit that adjusts a workpiece-side condensing state in an image plane on the workpiece side. The image sensor detects a detection-side condensing state in an image plane on the image sensor side. The workpiece-side condensing state is adjusted by the adjustment unit based on the detection-side condensing state.

The utility model provides double-laser material adding equipment based on double-frequency electromagnetic induction synchronous heat treatment, and relates to the technical field of laser material adding. The double-laser additive manufacturing equipment comprises a laser emitting device, a merging device, a magnetic field device and a workbench. The magnetic field device comprises an electromagnet, a wire and a battery pack, the magnetic field device is arranged on the workbench, the electromagnet is an annular magnet, the merging device is arranged above the circle center of the electromagnet, the merging device comprises a shell and a collecting lens, the shell is of a hollow structure, an annular groove is formed in the inner wall of the shell, and the collecting lens is clamped in the groove. The laser emitting device is arranged above the merging device and provided with two laser emitting holes, and the laser emitting holes correspond to the collecting lenses; the merging device is arranged to refract the two laser beams to one point, the magnetic field device is arranged to enable the cladding process to be affected by a magnetic field, thick columnar dendritic crystals generated in cladding are avoided, cracks and holes generated in a cladding layer are reduced, and the cladding effect is improved.

The outer contour of the condensing lens is in a similar circular truncated cone shape, the lens comprises a light emitting face located at the large-diameter end, a light inlet hole and a total reflection circumferential face, the light inlet hole is formed by sinking from the end face of the small-diameter end to the interior of the condensing lens, the light inlet hole comprises a front light inlet face and a side light inlet face, the front light inlet face is opposite to the light emitting face, and the side light inlet face is opposite to the side light inlet face. The middle of the front light incident surface protrudes towards the hole opening of the light incident hole to form an arc-shaped convex surface, the side light incident surface comprises a first circumferential surface section and a second circumferential surface section, the first circumferential surface section is located between the hole opening and the second circumferential surface section, and the first circumferential surface section is provided with a texturing structure; the light-emitting face comprises a plurality of gear rings distributed in a concentric circle mode, the tooth crests of the gear rings protrude away from orifices, the tooth widths of the gear rings are gradually decreased from the inner ring to the outer ring, the tooth inclination angles of the gear rings are gradually increased from the inner ring to the outer ring, and the tooth heights of the gear rings are gradually decreased from the optical axis of the condensing lens to the periphery. The lamp is provided with the condensing lens, the size of the condensing lens can be reduced, and the condensing effect is good.

The utility model relates to a low-light-intensity obstacle lamp for a wind driven generator, and aims to solve the problems of difficulty and potential safety hazards caused by a traditional mounting method. The lamp is compact in design and is directly attracted to the pipe wall of the wind driven generator through the magnet, an additional support is not needed, the installation process of high-altitude operation is simplified, and risks are reduced. The lamp body is composed of a rod body and a shell, an annular groove is formed in the surface of the rod body and used for installing a sealing ring, and rainwater is prevented from entering the supporting rod. One end of the rod body is connected with the condensing lens lampshade, more than two LED light sources are arranged in the rod body, and good aviation safety indication is provided. A driving circuit board is arranged in the shell, and a plug is arranged to be connected with an external circuit. The adjustable magnet frames are arranged on the two sides of the shell, the distance between the magnet and the pipe wall can be adjusted according to different wall thicknesses, and universality is enhanced. The installation safety and convenience are improved, the adaptability and the protection level of products are enhanced, and a new solution is provided for installation of the aviation obstruction beacon in the wind power generation industry.

1. Name of the design product: condensing lens for wafer heating. 2. Use of the design product: the product of design 1, design 2 is used as a condensing lens for wafer heating. 3. Design points of the design product: in shape. 4. Picture or photograph best indicating the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other matters to be stated: the present article is a condensing lens for improving the heating efficiency of a wafer by making the sub-shading directional in a heater for heating a wafer. The present article is used as shown in the "use state reference diagram" by being disposed between a base on which a wafer is placed and a heater wire. The present article is transparent as a whole. Perspective view 2 is a view in which the whole is shown as an opaque body. In design 1, the rear view, the right view, and the left view are the same as the front view, and therefore the rear view, the right view, and the left view are omitted. In design 2, the rear view is shown symmetrically with the front view, and the left view is shown symmetrically with the right view, and therefore the rear view and the left view are omitted.

The utility model discloses a methanol reforming hydrogen production device based on solar energy and tail gas utilization, which relates to the field of new energy utilization and chemical production and comprises a solar heat collector and a methanol reforming reactor. The solar heat collector comprises a groove type paraboloid collecting lens, sunlight irradiates the collecting lens and is reflected to a focus point, and the methanol reforming reactor is located at the light reflection focus point of the groove type paraboloid collecting lens; the methanol reforming reactor comprises an aluminum alloy pipe, a tail gas flow pipe, a methanol reforming pipe, a gas inlet pipe and a gas outlet pipe; the tail gas flow pipe is nested in the aluminum alloy pipe, a plurality of methanol reforming pipes are distributed in an interlayer between the tail gas flow pipe and the aluminum alloy pipe, and the gas inlet pipe and the gas outlet pipe are communicated with all methanol reforming pipes; the aluminum alloy pipe absorbs heat generated by sunlight, and the tail gas flow pipe absorbs waste heat of tail gas circulating in the tail gas flow pipe to jointly supply heat to the methanol reforming pipe; methanol steam enters the methanol reforming pipe from the gas inlet pipe, reacts in the methanol reforming pipe to generate hydrogen-rich reforming gas, and is discharged from the gas outlet pipe.

A condenser (100) and a lighting system (1000). The lighting system (1000) comprises a condenser (100) and a light source (200) connected to the condenser (100), wherein the condenser (100) comprises a condenser body (10), and a light mixing lens (20) and a condensing lens (30) which are arranged on the condenser body (10). The condenser (100) firstly mixes, by means of the light mixing lens (20), light emitted by the light source (200), and then condenses the light by means of the condensing lens (30), such that the projected light is uniform, thereby effectively reducing disordered light spots, making the light integrity better, and having a better lighting effect. The condenser (100) is particularly suitable for the light source (200) having multi-color or double-color lamp beads, can effectively improve the color consistency of light emitted by the light source (200), enhances the light efficiency, and efficiently meets diverse use requirements of users.

The clean development mechanism requires to replace fossil fuel with clean energy as much as possible. According to an existing solar heating pipe heat collecting device, a heating pipe is fixed, and a collecting lens is generally arranged at a small corner of the ground, so that design and construction are convenient, and investment is saved; however, a mirror surface system is insufficient in lighting quantity, low in efficiency, insufficient in energy reflected to a heating pipe, low in light energy utilization rate and single in heating; sufficient solar energy is wasted in vain around many energy-consuming places, and there is no suitable facility for use, such as heating in many old industrial and mining scenes, offices, schools, hospitals, hotels, common people and the like, so that the solar energy is wasted in vain. The invention provides a suspension type solar condensation heating pipe system, a heating medium heating pipe is arranged at the high altitude and is just close to a focus line of a groove type condensation lens, the condensation lens is hung on the heating pipe, and the condensation lens irradiates a heating pipeline; the heating pipe can also be of an assembly combined structure, so that multifunctional heating is realized; solar energy can be easily and efficiently utilized in existing cities and villages at low cost.

The invention discloses an all-static miniaturized scanning electron microscope lens suitable for lunar surface in-situ detection, and belongs to the technical field of lunar detection. Comprising an electronic gun, a condenser module, a micro-channel plate detector and an objective lens system which are sequentially fixed along an axis. The lens adopts a full-electrostatic system, and through holes are formed in the collecting lens module and the objective lens system so as to introduce a natural vacuum environment on the lunar surface. A multifunctional electrode structure is innovatively designed in the collecting lens module, so that the collecting lens has a diaphragm function; and an electrostatic deflector capable of synchronously realizing scanning deflection and anastigmatism is integrated in the objective lens system. Through the full electrostatic design and the lunar surface vacuum introduction structure and function integration and compactness design, the magnetic flux leakage and heat loss of a traditional electromagnetic lens are effectively overcome, the dependence on complex vacuum equipment is reduced, the system integration degree is improved, the requirements of lunar surface detection loads on miniaturization and light weight are met, and the application prospect is wide. And meanwhile, the structural reliability of the system in emission vibration and lunar earthquake environments is improved.

The present invention provides an electron microscope capable of suppressing light scattering due to a hole for electron passage in a reflector. The electron microscope comprises an electron source that emits an electron beam with which to irradiate a sample, a light source that emits excitation light with which to irradiate the sample, a reflector which has a hole that the electron beam passes through and which reflects the excitation light toward the sample, a detector that detects electrons emitted from the sample irradiated with the electron beam and outputs a detection signal, and a control unit that generates an observation image of the sample on the basis of the detection signal. The electron microscope is characterized by further comprising: a condensing lens disposed between the light source and the reflector to condense the excitation light and also form a dark area covering the hole in the center of the excitation light.

The utility model discloses a lens for optical fiber three-core observation, which relates to the technical field of optical fibers, and comprises an observation mirror body, a shading cylinder, an illumination mechanism and a positioning mechanism, the observation mirror body is provided with a focalizer and a lens group, and the lens group is provided with a lens. The shading cylinder is fixed at the tail end of the observation mirror body; the positioning mechanism is arranged at the tail end of the shading cylinder and is used for positioning an optical fiber to be observed; the illumination mechanism comprises an illumination part arranged in the shading cylinder, the illumination part is movably connected in the shading cylinder and used for illuminating the end face of the optical fiber, the illumination lamp tube generates light to illuminate the observation end face of the optical fiber, illumination light is evenly gathered on the end face of the optical fiber through the light gathering lens face, the illumination part can move left and right, and the illumination part can move left and right to illuminate the end face of the optical fiber. The illumination can be accurately irradiated on the end face of the optical fiber, the situation of insufficient illumination or exposure is avoided, and the definition of optical fiber observation imaging is improved.

The invention relates to the technical field of optocouplers, in particular to a common-mode interference resistant optocoupler packaging structure based on condenser integration. The projection of the MYLAR collecting lens on a virtual plane completely covers elements on an IR pin and a PT pin base island, 120-degree divergent light of an IR chip is focused to a light spot with the diameter being 0.15 mm, the energy density reaches 230 mW / mm, 8mA driving current can output 18.2 V, a Faraday cage is formed by means of an aluminum plating layer on the surface of the MYLAR collecting lens, stray capacitance is reduced to 0.5 pF under the distance being 0.3 mm, + / -80 V common-mode pulse interference can be resisted, and the requirement for high-power LED light sources is met. The light-transmitting positioning column is arranged along the optical axis of the MYLAR collecting lens, so that the position of a light spot is more accurate and concentrated in a photosensitive area of the PVG, and stable light energy input is provided for the PVG; the technical problems that an existing ternary LED is insufficient in light intensity, the optical axis temperature electric leakage of a quaternary LED is large, and the small size and the anti-interference requirement repel each other are solved.

The invention provides an in-hole laser parallel processing device and method, relates to the field of laser processing, and aims to solve the problems of low in-hole structure processing efficiency and low in precision in existing laser processing, a single beam of laser is divided into multiple beams of parallel laser for simultaneous processing, and the processing efficiency can be doubled compared with that of a traditional single-point scanning mode. A plurality of feature points can be formed through one-time processing, so that the overall processing time is greatly shortened; each laser beam is provided with an independent condensing lens in one-to-one correspondence, so that the laser energy of each processing point can be accurately focused, the problems of aberration and the like possibly caused by using a single large lens are avoided, and the processing quality and precision of each point under parallel processing are ensured; a parallel beam splitting system which is complex in function and large in size is arranged outside a hole, only a reflector which is relatively simple in structure and a compact condensing lens array extend into the hole, and the problem that a complex optical system is integrated in a limited hole cavity is solved by adopting the design that the interior and the exterior are separated.

The utility model relates to a light source adjusting device and a stage lamp thereof, the light source adjusting device comprises a lamp panel, a collimating lens, a fly's-eye lens and a collecting lens, the lamp panel is provided with a plurality of white LED lamp beads and a plurality of LED lamp beads in other colors, the light source adjusting device is characterized in that the white LED lamp beads are combined to form a white light-emitting area, the LED lamp beads in other colors are combined to form a color mixed light-emitting area, and the collecting lens is arranged in the white light-emitting area. The fly's-eye lens is provided with a light uniform part and a light non-uniform part, and incident light of the white light-emitting area sequentially passes through the collimating lens, the light non-uniform part and the collecting lens, or the incident light of the white light-emitting area sequentially passes through the collimating lens and the collecting lens. Incident light of the color mixing light-emitting area sequentially passes through the collimating lens, the light uniformizing part and the collecting lens, so that the characteristics of high central illumination of light spots and good light spot uniformity are ensured.

A fluorescence detection system and method based on fiber optic transmission is disclosed, relating to the field of fluorescence detection. This invention addresses the problems of complex optical path construction, difficult debugging and calibration of individual optical components, and high installation and maintenance costs associated with existing optical systems. The invention uses a white solid-state LED light source to generate monochromatic excitation light via a condenser lens and excitation light filter wheel. This light is then split into four sets of excitation light transmission fibers via a four-core fiber splitter, and excites a fluorescent dye-containing sample within a light-transmitting element via a fiber focusing lens. The sample's emitted fluorescence is received by the fiber focusing lens at the common end of the fiber, transmitted via the emitted light transmission fiber to a fiber collimator, and focused onto a CCD sensor by the emitted light filter wheel and camera condenser module. Synchronous belt pulleys are used to drive the dual filter wheels for synchronous spectral switching, and a filter wheel isolation bearing provides dynamic shaft isolation. This invention is also applicable to real-time quantitative PCR detection experiments.