81 results about "Light quality" patented technology

The invention discloses a photovoltaic ecological system based on a holographic frequency division technology. The photovoltaic ecological system comprises a frame body; the frequency-division concentrating photovoltaic unit comprises a substrate layer which is formed by connecting a heat conducting plate and a dodging plate and is connected with the frame body through a reciprocating motion mechanism, a concentrating layer and a holographic grating layer which are sequentially arranged above the heat conducting plate, and a photoelectric conversion battery arranged on the heat conducting plate; the light adjusting unit is arranged between the two adjacent frequency division concentrating photovoltaic units and comprises two frequency division plates connected through a rotating pair, and the ends, away from each other, of the two frequency division plates are connected with the corresponding frequency division concentrating photovoltaic units through rotating pairs; the reflective optical baffles are arranged on the two sides of the substrate layer, and side wall batteries are further arranged on the sides, close to the light adjusting units, of the reflective optical baffles. According to the invention, through a spectrum frequency division and space light energy distribution mechanism, multi-band efficient utilization of sunlight is realized, the light quality and the light quantity required by plant photosynthesis are guaranteed, and the photovoltaic power generation efficiency is improved.

The invention relates to the field of agricultural lighting equipment, and discloses a plant light quality regulation and control integrated LED light source with a uniform spectral space and a method of the plant light quality regulation and control integrated LED light source. The multispectral LED chip group is arranged on the lamp bead substrate in a die bonding manner; the plurality of groups of independent bonding pads are arranged on the lamp bead substrate and are electrically isolated from one another; and the transparent optical lens adhesive layer covers the chip group. And different spectrum chip groups in the multi-spectrum LED chip group are electrically connected with the corresponding independent bonding pads respectively. Driving current is provided for the multiple groups of independent bonding pads through an external driving circuit, and the luminous intensity of different spectral components is independently adjusted by independently adjusting the magnitude of the current input to different bonding pad groups, so that the output composite spectrum is changed. According to the invention, the multispectral chip is integrated in a single packaging body, the problem of non-uniform spectral space is solved from the physical source, the accurate regulation and control of the spectral ratio are realized through multichannel independent control, and the design and manufacturing cost of the lamp is reduced at the same time.

The invention relates to the technical field of semiconductor display, in particular to a vehicle-mounted high-color-gamut QD-LED backlight display module which further comprises a high-color-gamut QD-LED lamp bead which serves as a lateral light source and is arranged on at least one side edge of a light guide plate. The high-color-gamut QD-LED lamp bead comprises a circuit board and a plurality of LED lamp beads welded on the circuit board, and the LED lamp beads are patch devices packaged by composite luminescent materials of green quantum dots and KSF fluorescent powder. The circuit board and the LED lamp beads on the circuit board are integrally packaged by a silica gel packaging layer, and the silica gel packaging layer is connected with the light guide plate through a light guide protection layer, so that the high-color-gamut QD-LED lamp beads and the light guide plate are integrated. Through multi-dimensional collaborative innovation, the problems of reliability, light quality, mechanical durability and the like are comprehensively solved, a vehicle-mounted display backlight solution which is ultrahigh in color gamut, high in brightness, high in uniformity, high in reliability and long in service life is created, and high commercial value and market prospects are achieved.

The invention discloses an office lighting optical system with double light-emitting paths and a light quality control method, and relates to the technical field of lighting, the system comprises a double-channel module which provides central direct light and peripheral reflected light, and parameters of the double-channel module are independently adjustable; the in-situ acquisition module acquires brightness distribution information of a typical observation area; the dynamic execution mechanism module adjusts the light shielding angle of the lamp; the core processing and control unit executes a rhythm-comfort level fusion optimization algorithm, takes a target illumination parameter generated by a human body physiological rhythm as a guide, takes a constraint that a glare value is controlled to be lower than a preset threshold value, and collaboratively optimizes light source brightness, color temperature and shading angle parameters according to priorities; the control method comprises the steps of target parameter generation, glare value in-situ calculation, multivariable optimization decision and instruction execution and feedback learning, visual comfort is guaranteed, meanwhile, the system fits the physiological rhythm of the human body, the system has the self-optimization capacity, the light quality is stable and reliable, and the system is suitable for office lighting scenes.

The invention discloses an infrared super lens with a moth eye imitating anti-reflection nano structure. The moth-eye anti-reflection metasurface, the metasurface lens and the substrate are all made of silicon materials, and the moth-eye anti-reflection metasurface and the metasurface lens are micro-nano-scale arrays and are located on the two sides of the same substrate respectively. According to the invention, the metasurface is fully utilized to finely and efficiently modulate the phase, amplitude and other characteristics of light waves, the moth-eye metasurface changes the effective refractive index of the surface and reduces the reflectivity of incident light on the silicon surface, the metasurface lens enables the phase distribution to meet the spherical wavefront contour, efficient focusing of emergent beams is realized, and the light quality is improved. All micro-nano structures have the advantage of good thermal stability based on the same substrate material, and anti-reflection and focusing effects are achieved in an extremely thin scale.

The present application relates to the field of image processing, in particular to a missing risk monitoring system for medical waste refrigerators, comprising a video data acquisition module, a light quality evaluation module, a sensitive factor acquisition module, a gray compensation module and a risk detection module. According to the monitoring video when transferring medical waste, each gray image and template image are obtained; according to the structural richness of each gray image and the average gray value of each differential gray level, the light quality evaluation index of each gray image is obtained; according to the light quality evaluation index of each gray image and adjacent gray image, the sensitive factor of each gray image is obtained, the gray compensation is carried out on each sensitive factor, and the missing risk of each gray image after the gray compensation is completed is detected. The present application can restore the details lost in the image due to light changes, ensure the integrity of the image detail information, and improve the accuracy of missing risk identification.

The invention discloses a spectrum-regulated vegetable fresh-keeping control method and system and a refrigerator, and belongs to the technical field of refrigerators.The spectrum-regulated vegetable fresh-keeping control method comprises the steps that image information and spectrum information of leaf vegetables in a storage area are obtained; color features are extracted based on the image information, spectral feature indexes are extracted based on the spectral information, and leaf vegetable freshness indexes are calculated in combination with the color features and the spectral feature indexes; the leafy vegetable freshness index is compared with a preset threshold value, a corresponding spectrum fresh-keeping mode is selected based on a comparison result, and the spectrum fresh-keeping mode comprises a basic fresh-keeping mode adopting red light irradiation, an antioxidant enhancement mode adopting red and blue light alternate irradiation and a recovery conditioning mode adopting red and blue composite light irradiation; and controlling the multiband LED light source to irradiate the leaf vegetables in the storage area according to the light quality parameters corresponding to the selected spectrum fresh-keeping mode. Physiological metabolism of the leafy vegetables is intelligently regulated and controlled through spectrums, yellowing and wilting of the leafy vegetables are delayed, and the preservation effect is improved.

The invention relates to the technical field of illumination, and discloses an LED filament, an LED filament lamp and a control method thereof.The LED filament comprises a substrate with two electrodes, a first light mixing set and a second light mixing set are arranged on the two faces of the substrate respectively, the first light mixing set comprises two LED chips, the second light mixing set comprises two LED chips, a light excitation layer is arranged on each LED, and the first light mixing set and the second light mixing set are arranged on the substrate respectively. And the whole body is wrapped with a diffusion layer to form the filament. A plurality of lamp filaments are arranged in the LED filament lamp, conduction of a plurality of different chips is achieved through arrangement of a small number of electrodes in appearance, and light mixing and dimming are achieved by controlling the conduction duration and period of the different chips and correspondingly configuring LEDs of different colors and light excitation layers made of different conversion materials. The lamp filament basically has no dark area or chromatic aberration area which can be identified by naked eyes, the whole body of the lamp filament is mixed with light, the emergent light is uniform, and the light modulability and the light quality are improved. The filament and the lamp body are simple in structure, and the requirement of consumers for rejuvenating the retro aesthetic feeling of a traditional incandescent lamp is met.

The application discloses a kind of LED lamp bead inside edge light absorption type source light control high luminous efficiency illumination control method, belong to LED optical technology field, especially suitable for LED lamp bead.The traditional "pollution after treatment" technical prejudice of industry, the application is directly set in the edge of LED chip emitting surface coaxial continuous closed edge light absorption unit, only absorb chip edge stray light and do not block central main light path;Light absorption unit is closely combined with chip, interval≤0.005mm, coaxiality error≤0.05mm, light shielding rate≥95%, directly eliminate stray light interference in light source.This application overturns traditional correction idea, compared with the traditional LED lamp bead without light absorption unit of same specification, significantly improve the spot purity, light efficiency 5%-15% and center illumination 10%-40%, reduce glare, structure is simple, strong universality, adapt to various high light quality lighting lamps.

The invention relates to the technical field of fault diagnosis of a dental comprehensive treatment machine, in particular to a dental comprehensive treatment machine detection method and system, and the method comprises the steps: executing a load sequence simulating the clinical continuous operation of the dental comprehensive treatment machine; synchronously acquiring waterway system state data and light quality data of the light curing lamp; based on the waterway system state data and the light quality data of the light curing lamp, executing time sequence correlation analysis, and identifying a time sequence and a time interval between the waterway system state change and the light quality degradation of the light curing lamp; judging a degradation source of performance degradation according to the time sequence and the time interval; and outputting a diagnosis report according to the time sequence, the time interval and the degradation source, wherein the diagnosis report indicates the performance degradation condition and the fault source of the dental comprehensive treatment machine. The method has the advantages that the association between the state change of the waterway system and the light quality degradation of the photocuring lamp under the clinical continuous operation load of the dental comprehensive treatment machine is identified, so that the performance degradation source is judged.

The invention relates to the technical field of laser illumination, in particular to a laser diode agricultural illumination system and method based on a combined spectrum, and the system comprises a light source module, an illumination intensity adjustment module, an illumination time control module, a spectrum monitoring module and a feedback adjustment module. According to light quality requirements of leaf vegetables and solanaceous crops in different growth stages, a spectrum combination proportion is determined, a specific wavelength spectrum is supplemented, illumination intensity is dynamically adjusted according to a plant growth state, illumination time is set according to crop types and growth stages, the spectrum is monitored in real time, optimal parameters are compared, and a spectrum combination is adjusted according to deviation. Spectrum, light intensity and illumination time are accurately matched with crop requirements, light energy waste is reduced, it is guaranteed that crops obtain proper illumination conditions in all growth stages, photosynthesis efficiency is promoted to be improved, and efficient and accurate development of agricultural production is promoted.

The utility model discloses a floor brush capable of preventing collision damage. The floor brush comprises a floor brush body, the anti-collision plate is fixed to the front end of the floor brush body, and a first mounting groove is formed in the top of the anti-collision plate; the bottom of the lamp assembly is inserted into the first mounting groove, and a plurality of illuminating lamps are arranged on the lamp assembly at intervals; the front baffle is positioned on the anti-collision plate and at the front end of the first mounting groove, and a plurality of light transmitting openings corresponding to the illuminating lamps are formed in the front baffle at intervals; a mounting box is arranged at the front end of the top cover and hermetically spliced on the outer side of the first mounting groove, a second mounting groove is formed in the bottom of the top cover, the top and the front baffle of the lamp assembly are inserted into the second mounting groove, a mounting opening corresponding to the light transmitting opening penetrates through the front end of the mounting box, and a lampshade is assembled on the mounting opening. The floor brush can solve the problems that the installation strength and the installation stability of an illumination assembly in an existing floor brush are insufficient, the illumination assembly can be damaged if collision occurs, and the service life and the illumination quality of the illumination assembly are affected.

The invention provides a greenhouse light quality dynamic regulation and control system and method based on a photonic crystal chip. The method comprises the following steps: acquiring a parallel spectrum task sequence for an integrated layout; simulating a spectrum output process of the multi-layer photonic crystal structure according to the time sequence control protocol; if the deviation between the simulated spectrum output and the target spectrum distribution data exceeds a preset threshold value, adjusting the wave band modulation intensity of the independent subtask; whether the adjusted deviation meets the requirement or not is judged, and a final regulation and control parameter set is obtained; extracting a real-time switching rule from the final regulation and control parameter set; determining whether the light quality change triggers the real-time switching rule or not; if the light quality change triggers the real-time switching rule, obtaining a dynamic regulation and control instruction; driving the multi-layer photonic crystal structure to execute the parallel spectrum task through the dynamic regulation and control instruction; and acquiring light quality feedback data after the parallel spectrum task is executed.

The invention discloses a PVC film quality online detection system and method, and relates to the technical field of image processing. The PVC film quality online detection method comprises the following steps: acquiring surface image data of a PVC film under different illumination conditions, and extracting surface image quality features of the PVC film based on a pre-trained PVC film image recognition model; based on the surface image quality characteristics, analyzing a quality score set of the PVC film, including natural light quality score, backlight quality score and oblique light quality score; according to the method, the amplification effect of the illumination environment on the visual information is used for auxiliary discrimination of defect features, the recognition sensitivity and discrimination precision of the model on detail changes are further improved, image information corresponding to the three illumination directions is independently extracted in the model, and the recognition accuracy of the model is improved. And feature score values are respectively generated, so that a detection blind area that image information is incomplete or defects are covered is effectively avoided.

The invention relates to the field of plant illumination equipment, and particularly discloses light source equipment for promoting blueberry growth and a cultivation method. The light source device comprises a light source module, a light quality module, a modulation module and a timing module. The light source module comprises a red light LED and a blue light LED; the light quality module is used for controlling the driving electric energy values of the red light LED and the blue light LED, so that the light source module irradiates with light of a preset wave band; the modulation module is used for adjusting a driving electric energy value of the light source module to enable the light source module to irradiate at preset illumination intensity; the timing module is used for periodically turning on or turning off the light source module to enable the light source module to irradiate in a preset illumination period; when the blueberries are in the growing period, the light quality module adjusts the power ratio of the red light LEDs to the blue light LEDs to be (3-5): 1; and when the blueberries are in a flowering and fruiting period, the power ratio of the red light LEDs to the blue light LEDs is adjusted to be (5.5-8): 1 by the light quality module. By implementing the method, the growth rate of blueberry plants can be increased, and the quality of blueberry fruits is improved.

The utility model discloses a chip-on-board packaging light source, which relates to the technical field of light sources and comprises a substrate, a box dam, an adhesive coating layer, a plurality of first wafers, a plurality of second wafers, a plurality of adhesive drawing strips and a plurality of retaining walls. A plurality of first wafers are fixedly arranged in each first subarea side by side, a plurality of second wafers are fixedly arranged in each second subarea side by side, the painting adhesive tapes are in one-to-one correspondence with the first subareas, the painting adhesive tapes fixedly cover the first wafers of the first subareas, and retaining walls are fixedly arranged between any adjacent painting adhesive tape and the second subarea; the glue coating layer fixedly covers the painting glue strips, the retaining walls and the second wafers, and the box dam surrounds the glue coating layer and is fixedly arranged on the top surface of the substrate; according to the utility model, the matching in the trial matching process is more accurate, the matching release speed is improved, the yield in the mass production process is improved, the light color uniformity of a finished product is improved, and the light quality of the finished product is improved.

The invention relates to the technical field of agricultural engineering, and discloses a layered multi-light-quality cooperation-based three-dimensional circulating seedling raising system and a light supplementing method thereof.The system comprises a multi-layer circulating conveying structure, a layered light source system, a seedbed movement control system and a PLC; the multi-layer circulating conveying structure is divided into a high-illumination area, a middle-illumination area and a low-illumination area according to light saturation points and light compensation points of rice seedlings, the illumination intensity of the high-illumination area is larger than or equal to 100 PPFD, the illumination intensity of the middle-illumination area is 30-100 PPFD, and the illumination intensity of the low-illumination area is smaller than 30 PPFD; the layered light source system is provided with different light sources for the middle illumination area and the low illumination area. According to the method, the high illumination area, the middle illumination area and the low illumination area are divided, the middle-layer illumination blind area and the bottom-layer weak-light area which cannot be considered by a traditional light supplementing technology are effectively covered, the problems of excessive growth, leaf color lightening, slow growth and the like of seedlings due to continuous weak light or intermittent light shortage are solved, and the consistency and uniformity of seedling groups are guaranteed.

The utility model belongs to the technical field of light-emitting diode (LED) down lamps, particularly relates to a light-cutting type anti-dazzle LED down lamp, and aims to solve the problems that when the down lamp is installed on a lower ceiling or directly located in a sight range, dazzling light spots are easy to form, visual discomfort is caused, the dazzle effect is caused, and the dazzle is more obvious along with the increase of the brightness of the LED down lamp. According to the technical scheme, the LED down lamp comprises an LED down lamp body, an access cover is detachably installed at a notch in the top of a shell of the LED down lamp body through two cross bolts, an installation opening is formed in the center of the access cover, and a cooling fan used in cooperation with the interior of the LED down lamp body is installed in the installation opening in an embedded mode. When the LED lamp is used, a light source is deeply hidden in the deep cup lampshade for physical light interception, the frosted layer and the antireflection coating of the acrylic mask plate are combined, and the triple anti-glare design can remarkably reduce glare, provide softer and more uniform lighting effect, relieve eye fatigue and improve visual comfort. The LED lamp is especially suitable for places with high requirements for light quality.

The application discloses a method for adjusting environment to promote astaxanthin synthesis of Microcystis aeruginosa, and specifically comprises the following steps: culturing Microcystis aeruginosa, determining optimal light quality, determining optimal light intensity and determining optimal temperature and the like. Under the same light intensity and temperature, different light qualities are replaced to culture, white light is taken as a control group, and the optimal light quality for astaxanthin output is determined; under the same light quality and temperature, different light intensities are replaced to culture, and the optimal light intensity for astaxanthin output is determined; under the same light intensity and light quality, different temperatures are replaced to culture, and the optimal temperature for astaxanthin output is determined. In the application, the control variable method is adopted to determine the optimal light quality condition, the optimal light intensity and the optimal temperature for astaxanthin synthesis of Microcystis aeruginosa, so as to provide a theoretical basis for promoting astaxanthin production and resource utilization of Microcystis aeruginosa.

The utility model discloses a double -deck inflatable light -converting film heat -preserving greenhouse structure relates to heat -preserving greenhouse technical field, it includes base, and the base below fixed setting has support leg, the base top fixed setting has fixed frame, fixed setting has the arc frame on the fixed frame, and is provided with the composite film on the arc frame, the composite film is by inside and outside and is set gradually as the inner layer light -converting film, the middle air chamber layer and outer layer dustproof ageing -resistant film, be provided with the inflation port on the composite film, and the inflation port is linked together with the middle air chamber layer, the top of base is provided with the inflation mechanism, and the inflation mechanism is filled with air to the middle air chamber layer through the inflation port. This double -deck inflatable light -converting film heat -preserving greenhouse structure has realized excellent heat -insulating performance through the middle air chamber layer, and utilizes the inner layer light -converting film to optimize the light quality in the shed, to reach the purpose of energy -conserving and consumption -reducing and promoting crop yield increase and quality improvement in cooperation.

This invention discloses an LED spectral distribution optimization design method and an LED light source. The design method includes the following steps: S1, establishing a basis function library based on the Gaussian emission spectral function of phosphor materials; S2, defining the full spectral distribution function and optimization variables of the phosphor mixture; S3, constructing a comprehensive evaluation function and constraints based on color temperature, spectral efficacy, and color rendering index; S4, applying simulated annealing algorithm for optimization, aiming to minimize the comprehensive evaluation function, and globally optimizing the basis function weight vector w; S5, adjusting the comprehensive evaluation function and constraints and iteratively optimizing. This design method is applicable to the spectral control of white LEDs excited by multi-color phosphors, and can achieve synergistic optimization of color rendering index, color temperature accuracy, and luminous efficacy over a wide color temperature range, significantly improving the overall light quality and design efficiency of the LED light source.

The invention discloses a lamp light quality detection system and method, relates to the technical field of lamp detection, and solves the problems that traditional detection depends on physical parameters and cannot reflect real visual perception of a human body, and the system comprises a spectacle frame, and a physiological signal sensor, a signal processing unit and a light quality detection unit which are integrated on the spectacle frame. Visual physiological reaction signals of a user under illumination of the lamp are collected in real time through the sensor, and after physiological features are extracted through the processing unit, quantitative detection indexes of light quality are output through a model built in the detection unit. According to the invention, objective and personalized in-situ detection and evaluation of the light quality of the lamp in a natural eye using state are realized, and the method is mainly suitable for field detection and health evaluation of various lighting environments such as classrooms and offices.

The invention provides an illumination lamp for a ship sight flow mirror and a ship sight flow mirror illumination system. The illumination lamp comprises an LED light source module, a lamp support, a magnetic attraction fixing module and a junction box. The LED light source module is of a rectangular flat plate type structure, the light-emitting face of the LED light source module is packaged by PVC materials, and LED chip sets are evenly arranged in the LED light source module. The lamp support is of a frame type structure and is made of ABS engineering plastics through an injection molding process, the outline of the lamp support is matched with the LED light source module 1, and the lamp support is used for embedding and fixing the LED light source module. The junction box and the lamp support are integrally formed into an integral part through injection molding, cable wiring terminals are arranged in the junction box, and cable lead-in holes are formed in the side wall of the junction box. The magnetic attraction fixing module comprises a permanent magnet which is fixed to the back face of the lamp support at least in a mechanical buckling or bonding mode. And the magnetic adsorption strength of the magnetic adsorption fixing module is matched with the total weight of the lamp. According to the technical scheme, the special sight flow mirror illumination solution can adapt to narrow space, and is easy and convenient to install, excellent in light quality and convenient to maintain.

The utility model relates to a kind of reduction natural light LED light source board.The utility model carries out the layering arrangement of concentric structure according to the different wavelength of light source's lamp bead, 15000K blue-white LED lamp bead is arranged in inner circle, 2800k golden yellow LED lamp bead and 1600k golden red LED lamp bead are arranged in middle circle, 10000k white LED lamp bead is arranged in outer circle, each circle lamp bead is controlled according to intelligent algorithm by MCU chip in intelligent control unit, the spectrum, color temperature and luminance parameter of lamp bead are adjusted, to simulate and restore the light efficiency of natural light, to complete spectrum supplement, form full-spectrum light effect.The structural design of light source board adapts the arrangement of lamp bead array, ensure the stability and uniformity of light source output.With the functional coating coated on the surface of lamp bead, not only help spectrum adjustment, optimize light quality, but also can play the role of waterproof and moisture-proof, anticorrosive antioxidant etc., prolong the service life of light source board.

The utility model provides a day-night confocal optical system and a camera module applying the same, mainly comprising seven lenses, the object plane side of the first lens is a convex surface, the image plane side of the first lens is a concave surface, the focal power of the first lens is negative, the object plane side of the second lens is a concave surface, the image plane side of the second lens is a convex surface, the focal power of the second lens is negative, the object plane side of the third lens is a convex surface or a concave surface, and the object plane side of the third lens is a convex surface or a concave surface. The object plane side and the image plane side of the fourth lens are both convex surfaces and have positive focal power, the fifth lens has focal power, the sixth lens has focal power, the object plane side of the seventh lens is convex, the image plane side of the seventh lens is concave, the focal power of the seventh lens is positive, the number of the lenses is reasonable, the structure is simple, and the lens can be widely applied to the field of optical imaging. By reasonably distributing the focal power of the lenses, optimizing the aberration of the lens and improving the resolution performance, the wide-angle wide-angle lens has the advantages of large wide angle, large aperture, light weight and excellent resolution, so that the miniaturized wide-angle lens has higher competitiveness in the market.

The embodiment of the utility model discloses a light source module, a lamp and a lighting system, and relates to the technical field of electronics. The light source module comprises a first light emitting unit used for emitting controlled first color temperature white light; the second light emitting unit is used for emitting controlled second color temperature white light; the third light emitting unit is used for emitting controlled first color light; and the fourth light emitting unit is used for emitting controlled second color light, the first color temperature white light, the second color temperature white light, the first color light and the second color light are used for light mixing to obtain target color temperature white light, the first color light is long-wave red light, and the second color light is yellow-green light. According to the light source module, the lamp and the lighting system, the color band range of the target color temperature white light can be expanded, meanwhile, the color deviation of the target color temperature white light is reduced, and the overall light quality is improved.

The invention relates to the technical field of plant light environment regulation and control, in particular to a light quality formula for shortening the whole growth period of medicago sativa and application of the light quality formula. The invention provides a light quality formula for shortening the whole growth period of medicago sativa, which is characterized in that the light quality formula comprises red light (R) with the peak wavelength of 660nm, blue light (B) with the peak wavelength of 450nm and far-red light (FR) with the peak wavelength of 730nm, and the light quantum flux density ratio of the red light to the blue light to the far-red light is R: B: FR = 340: 60: 20 (mol / m < 2 > / s). The invention provides the application of the light quality formula in promoting the flowering of the alfalfa and / or shortening the whole growth period of the alfalfa. According to the method, through a three-stage experiment system of primary screening, red and blue light optimization and far-red light optimization, invalid green light is abandoned, the optimal light quality ratio of R17B3FR1 (340: 60: 20) and the high-efficiency red and blue light ratio of R9B1, R17B3, R4B1 and the like are finally determined, all light quality parameters (light quantum flux density and wavelength) are clear, and operability and reproducibility are high.

The application discloses a kind of based on land space planning base conversion integrated device, including workbench, two rotating rollers are rotatably connected on the workbench, two The rotating rollers are connected by conveying belt, a plurality of fixed blocks are fixedly connected on the conveying belt, L-shaped block is fixedly connected on each The fixed block;Fixed plate is fixedly connected on each The fixed block, mounting block is connected on the fixed plate by first spring, rectangular block is fixedly connected on each The mounting block, opening is formed in the rectangular block, slidingly connected with moving block in the opening, clamping plate is fixedly connected on the moving block.The stability of the material is relatively high, the paper material will not fall due to poor fixing effect, avoid the paper material of light quality scattering everywhere after falling, more conducive to the use of paper material by technical personnel, the practicality of workbench is relatively high.

The invention relates to monatomic nano-enzyme with vacancy defect and selective light emission function as well as a preparation method and application thereof, and relates to the technical field of nano-enzyme preparation, the chemical general formula of the monatomic nano-enzyme is M-RE / Ov-CeO2, M represents an atomically dispersed transition metal monatomic and is selected from one of Fe, Zn and Mn; rE represents an atomic-scale dispersed rare earth metal single atom and is selected from one of Eu, Tb, Sm and Y; ov represents oxygen vacancy in the cerium oxide substrate; the transition metal monatomic M and the rare earth metal monatomic RE are anchored in the cerium oxide CeO2 nano crystal lattice rich in oxygen vacancies through M-O-Ce coordinate bonds and RE-O-Ce coordinate bonds respectively. The monatomic nano-enzyme has dual functions of light quality conversion and active oxygen removal, and has the characteristics of environment friendliness and high biological safety while realizing stress resistance and yield increase of plants.

The application relates to the technical field of fault diagnosis of dental comprehensive treatment machines, in particular to a dental comprehensive treatment machine detection method and system, which comprises the following steps: executing a load sequence simulating clinical continuous operation of a dental comprehensive treatment machine; synchronously collecting waterway system state data and light-curing lamp light quality data; performing time sequence correlation analysis based on the waterway system state data and the light-curing lamp light quality data, identifying the time sequence and time interval between waterway system state changes and light-curing lamp light quality degradation; judging the degradation source of performance degradation according to the time sequence and the time interval; and outputting a diagnosis report according to the time sequence, the time interval and the degradation source, wherein the diagnosis report indicates the performance degradation condition and the fault source of the dental comprehensive treatment machine. The method has the advantages that the correlation between waterway system state changes and light-curing lamp light quality degradation of the dental comprehensive treatment machine under the load of clinical continuous operation can be identified, so that the degradation source of performance degradation can be judged.