52results about How to "Meet lighting needs" patented technology

The utility model discloses a multifunctional vehicle-mounted reading lamp which comprises a shell, a first lamp wick, a second lamp wick, a light-transmitting cover plate, a circuit board, a Bluetooth loudspeaker box, an infrared human body sensor and a Fresnel lens. The first lamp wick and the second lamp wick are arranged on the two sides of the containing cavity respectively, the Bluetooth loudspeaker box is embedded in the portion, between the first lamp wick and the second lamp wick, of the shell, and the infrared human body sensor is used for detecting whether people exist in a vehicle cab or not. The Bluetooth sound box can be in communication connection with a mobile phone of a user through the Bluetooth module so as to control the music playing function of the Bluetooth sound box, and the requirement that the user can play music in a vehicle when the vehicle is in a flameout state is met; the infrared human body sensor can detect the existence of a human body in the vehicle so as to automatically adjust the on and off of the light or the Bluetooth sound box as required, and when no person is in the vehicle, the infrared human body sensor can automatically turn off the first lamp wick and the second lamp wick through the control effect of the circuit board so as to save the electric quantity of a vehicle battery.

The invention discloses an LED intelligent adjustment method and system based on full spectrum analysis, and the method comprises the steps: carrying out the spectrum analysis of a plurality of LED lights, extracting a peak wavelength and a full width at half maximum parameter, carrying out the spectrum fitting based on a Gaussian function, and screening out a qualified LED group; the method comprises the following steps: carrying out actual illumination application by utilizing an LED group, obtaining an original image and an illumination feedback image, dividing regions according to image sizes, comparing image attribute differences of different regions, screening out a comparison image region, carrying out color feature extraction on the basis of the comparison image region, forming a first color feature set and a second color feature set, and fusing the feature sets by adopting a DCA feature fusion algorithm to obtain a first color feature set and a second color feature set. Forming first and second fusion features; and calculating the difference between the first fusion feature and the second fusion feature through a standard Euclidean distance method, and evaluating and adjusting the lamp effect of the LED group according to the difference. According to the invention, accurate model selection and application of full-spectrum-based LED light can be realized, accurate evaluation of the full-spectrum LED illumination effect is realized, and illumination requirements under multiple scenes are met.

The utility model discloses a hydroponic vegetable seedling culture vessel which comprises a cultivation frame, a cultivation box is clamped on the inner wall of the cultivation frame, two sets of cultivation grooves are formed in the upper surface of the cultivation box, a limiting support is clamped on the inner wall of each cultivation groove, a leakage groove is formed in the bottom face of each cultivation groove, and the leakage grooves are communicated with the cultivation box. The bottom face of the cultivation frame is fixedly connected with a liquid storage bin. According to the device, the supply amount of a nutrient solution can be set through the touch panel according to the growth cycle of vegetables, when nutrition is excessive, the flow guide valve is started to guide the nutrient solution into the filter through the guide pipe, and the nutrient solution is guided into the solution storage box for later use after being filtered, so that the nutrient solution can be saved, and the planting cost can be reduced; the circulating pump is started, the nutrient solution can be added into the solution storage bin through the guide pipe, the liquid level sensor is used for detecting the storage capacity during adding, the touch panel is matched for closing the circulating pump to stop adding when the storage capacity reaches the standard, the effect of accurately adding the nutrient solution is achieved, and therefore the problem of root system oxygen deficit caused by excessive irrigation is avoided.

The fresh cut flower storage device can prevent flowers from being squeezed in the transportation process. The fresh cut flower storage device capable of preventing the flowers from being squeezed in the transportation process comprises a base; the supporting frame is fixedly mounted at the top of the base; the multiple limiting plates are fixedly mounted on the sides, close to each other, of the two supporting frames correspondingly; the plurality of clamping plates are respectively mounted among the plurality of limiting plates in a sliding manner; and the placing frame is fixedly arranged among the plurality of clamping plates. The fresh cut flower storage device capable of preventing the flowers from being squeezed in the transportation process has the advantages that the structure is simple, fresh cut flowers can be stored in a separated mode so that squeezing damage caused by stacking of the fresh cut flowers can be prevented, and meanwhile the fresh cut flowers can be supported so that petals can be prevented from falling off due to pressing of the self weight.

The utility model relates to the technical field of LED projection lamps, in particular to an angle adjusting mechanism for an LED projection lamp. Comprising a supporting assembly, an adjusting assembly and a light projection assembly, the supporting assembly comprises a supporting base, a mounting rod and limiting frames, the mounting rod is arranged on the supporting base, the limiting frames are symmetrically arranged on the two sides of the supporting base, sliding grooves are formed in the limiting frames, the adjusting assembly comprises a mounting box, and the bottom of the mounting box is connected with the mounting rod; the two sides of the mounting box are movably connected with the limiting frames, and the light projection assembly is arranged in the mounting box. According to the mechanism, the projection angle of the LED projection lamp and the number of the turned-on projection lamps can be flexibly adjusted, the application range of equipment is widened, and the mechanism can play a role in various illumination requirement scenes. The LED projection lamp is mainly applied to angle adjustment of the LED projection lamp.

The utility model provides a novel UFO industrial lighting lamp, which relates to the technical field of lighting industry, and comprises a lamp main body and a working mechanism, the top end of the lamp main body is provided with a cover plate, and one side of the lamp main body is provided with the working mechanism. Firstly, a fastening piece for fixing the lens is dismantled, the locking state of the lens is relieved, then the lens is manually shifted and rotated to a needed preset angle so as to achieve accurate control over the light diffusion range, the light condensation degree or the projection direction, and after the angle adjustment of the lens is completed, the fixing piece is installed again, and then the lens is fixed. According to the light-emitting angle adjusting device, the lens is arranged in the clamping buckle, and it is ensured that the lens is tightly connected with the adjusting buckle in the clamping buckle, so that the lens can be stably fixed at a new selected angle, the light-emitting angle adjusting capacity ranging from 60 degrees to 110 degrees is given to the lamp, and a user can accurately match and efficiently meet various space illumination requirements according to various requirements of actual application scenes.

The utility model discloses a greenhouse structure suitable for Pien Tze Huang grass cultivation, and relates to the technical field of agricultural planting facilities. The greenhouse structure comprises two supporting assemblies which are symmetrically arranged, a plurality of illumination assemblies located between the two supporting assemblies and a driving assembly. The supporting assembly is composed of an arc-shaped supporting frame, a stand column, a cross beam and a stabilizing rod and provides stable supporting. The illumination assembly comprises a transparent hollow pipe body, a non-transparent partition plate and a rotating shaft, the partition plate divides the pipe body into a first lamp chamber and a second lamp chamber, and different types of functional lamps are arranged in the lamp chamber. The rotating shaft is rotationally connected with the cross beam; all the pipe bodies are transversely arranged in parallel. The driving assembly comprises a driving gear, a transmission gear set and a motor, and the motor drives the rotating shaft to drive all the pipe bodies to rotate synchronously. Through the cooperation of the illumination assembly and the driving assembly, the illumination type and angle can be flexibly adjusted, the utilization efficiency of illumination resources is improved, it is ensured that the Pien Tze Huang grass can obtain proper illumination in all growth stages, and the planting efficiency and quality are improved.

The utility model relates to the technical field of lighting, and particularly discloses an embedded lighting assembly and a barbecue oven thereof, the embedded lighting assembly comprises a light distribution piece, the light distribution piece comprises a first end part and a second end part, the second end part is arranged in a target area, the second end part is communicated with the first end part, and the first end part is arranged at a position far away from the target area; the light-emitting part is arranged at the first end part; when in use, the lighting assembly is embedded in the inner side of the barbecue oven, the lighting assembly is composed of the light distribution piece and the light-emitting piece, the light-emitting piece is far away from the high-temperature area of the barbecue oven, the influence of high temperature on the light-emitting piece is avoided, meanwhile, the lighting range of the light-emitting piece is extended through the use of the light distribution piece, and the lighting effect is improved. According to the barbecue oven, the requirement for illumination inside the barbecue oven can be met, the adopted illumination lamp source is an LED, the color temperature and the brightness can be adjusted according to different use requirements, and the use requirements are met.

The tissue culture and rapid propagation method comprises the following steps: (1) carrying out sterile treatment and low-temperature pretreatment on a hemarthria procumbens seed; (2) carrying out germination culture on the hemarthria procumbens seeds treated in the step (1); (3) carrying out induced culture to grow calluses; (4) proliferation and differentiation culture; (5) rooting culture; wherein the low-temperature pretreatment specifically comprises the following steps: after sterile treatment, soaking the seeds in sterile water at 4 DEG C in a dark place for 12-24 hours, and carrying out low-temperature pretreatment; in the step (3), the induction culture medium is prepared from 0.5 mg / L to 0.8 mg / L of MS + 2, 4-D, 0.1 mg / L to 0.5 mg / L of 6-BA, 0.01 mg / L to 0.05 mg / L of BR and 0.5 mg / L to 1.5 mg / L of AC. According to the method, the callus induction rate is greatly increased, meanwhile, the browning rate of the callus is remarkably reduced, the callus induction rate can reach 75% or above, and the browning rate of the callus is reduced to 5% or below.

The utility model relates to the technical field of industrial buildings, and particularly discloses an efficient lighting industrial factory building which comprises a factory building body, a lighting window is embedded in the factory building body and comprises a movable frame, glass is embedded in the movable frame, a plurality of light reflecting shutters are arranged below the glass, the light reflecting shutters are in running fit with the movable frame, and the movable frame is provided with a light reflecting window. A fourth connecting rod is embedded in the movable frame, the fourth connecting rod is in clearance fit with the movable frame, the fourth connecting rod is connected with the reflective shutter, a connecting rod pushing mechanism is arranged at the end, away from the reflective shutter, of the fourth connecting rod, and a rotating disc is arranged at the end, away from the fourth connecting rod, of the connecting rod pushing mechanism; according to the utility model, the movable reflective shutters of which the surfaces are coated with the reflective material coatings are adopted, and the light intensity in the factory building is adjusted according to different external light intensities, so that the illumination requirement in the factory building is met.

The utility model belongs to the technical field of greenhouse light supplementing equipment, particularly relates to illumination management equipment for asparagus cochinchinensis greenhouse planting, and aims to solve the problems that an LED lamp is fixedly installed on a supporting column in a greenhouse, adjustment is inconvenient, and rapid replacement and maintenance are inconvenient. Two connecting rods are symmetrically and fixedly arranged on the outer wall of the tightening ring, LED light supplementing lamps are arranged at the other ends of the connecting rods, the two LED light supplementing lamps are installed on supporting columns in a greenhouse through the tightening ring, the inserting-connecting assembly is arranged on the LED light supplementing lamps and used for fixing the LED light supplementing lamps so that the LED light supplementing lamps can be rapidly replaced and maintained, and the inclination adjusting assembly is arranged on the tightening ring and used for adjusting the inclination of the LED light supplementing lamps so that the inclination of the LED light supplementing lamps can be adjusted. Therefore, the inclination of the LED light supplement lamp can be adjusted, and the illumination angle of the LED light supplement lamp can be adjusted. The device has the advantages of being simple in structure, convenient to install, flexible to adjust, adjustable in spectrum and the like, the requirements of asparagus cochinchinensis for illumination in different growth stages can be effectively met, and the yield and quality of asparagus cochinchinensis are improved.

The utility model relates to the field of agricultural planting equipment, and specifically discloses a sunlight greenhouse light supplementing equipment, which comprises a planting frame mechanism and a light supplementing mechanism, wherein the planting frame mechanism comprises a planting frame, and a water culture pipeline is arranged on the planting frame; the light supplementing mechanism comprises a clamping block assembly clamped on the planting frame, a light supplementing assembly is limited to slide on the clamping block assembly, a spring is sleeved on the outer side of the light supplementing assembly, and a traction assembly is further connected to the bottom of the light supplementing assembly; the spring drives the light supplementing assembly to move upwards; the traction assembly can easily pull the light supplementing assembly downwards, so that the spring is compressed, thereby facilitating the observation of the growth state of plants; after the observation is completed, the traction assembly is loosened, the spring is reset, and the light supplementing assembly can be driven to move upwards to restore light supplementing; the operation is simple and convenient, and the grower can easily check the growth state of plants.

The utility model relates to the technical field of shadowless lamps, in particular to an electric focusing and dimming hole type shadowless lamp which comprises a base and a position distance focusing mechanism, a locking shaft stabilizes the relative position of the position distance focusing mechanism through a connecting arm, and the telescopic distance between a first electric push rod and a second electric push rod is controlled through a control module. The distance between the movable lens and the fixed lens is changed, focusing adjustment of light rays is achieved, the actual irradiation effect of the light rays is changed, the clamping block is used for stably clamping the movable lens, the movable lens is prevented from deviating, the fixed lens can effectively reduce shadow generation, the more uniform and clearer illumination effect is provided, visual interference in the operation process is reduced, and the operation efficiency is improved. The folding rotating arm and the lamp holder suspension arm provide a multi-angle changing supporting structure, physical hindrance to the operation process is reduced, the connecting block and the connecting rotating shaft provide a multi-angle range for light irradiation, the heat dissipation protection cover effectively dissipates heat, it is ensured that the operation temperature of the lamp is within the safe range, and discomfort and risks to operation patients and doctors are reduced.

The utility model relates to the technical field of vegetable seedling raising, in particular to an environment-friendly vegetable seedling growing room which comprises a seedling raising room, the seedling raising room comprises two symmetrical fixing plates, and a room body is fixed between the two fixing plates. The two sides of the inner bottom of the room body are each provided with a multi-layer seedling raising bed. A first motor for driving the transmission shaft to rotate is mounted at the bottom of the movable seat; a plurality of angle-adjustable light supplementing lamps are installed on the two sides of the movable base correspondingly, two connecting blocks are fixed to the end faces, close to the movable base, of the light supplementing lamps correspondingly, and the connecting blocks are fixedly connected with the fixing rods; the lifting of the movable seat can be realized under the action of the sling, the adjustment of the angles of the light supplementing lamps on the two sides can be realized under the rotation of the worm wheel, and the adjustment of the illumination angles of the light supplementing lamps can be realized through the adjustment of the angles and the heights of the light supplementing lamps, so that the uniform illumination of multiple layers of seedlings can be realized, and the illumination requirements of the vegetable seedlings are met.

This invention discloses a fixing device for solar photovoltaic panels, relating to the field of photovoltaic power generation equipment technology. It includes a bracket, with an angle adjustment device fixedly connected to the outer wall of the bracket, a fastening device fixedly connected to the outer wall of the angle adjustment device, and a cleaning device fixedly connected to the outer wall of the bracket. The solar panel is fixed by a movable clamp, a fixed clamp, a limiting block, and a locking plate. The angle is adjusted by rotating a handle, a transmission gear, a transmission rack, a support column, and a sliding block. A snow scraper is driven by fan blades, a transmission pulley, a transmission belt, a driving bevel gear, a driven gear, and a transmission screw to clean snow from the solar panel. Airflow is guided to the fan blades through a protective plate, ventilation holes, and a guide plate, thereby causing the fan blades to rotate and providing power for cleaning the solar panel.

The invention discloses a low-threshold adjustable micro white light laser based on a perovskite micron sheet and a preparation method of the low-threshold adjustable micro white light laser in the field of semiconductor lasers. The low-threshold adjustable micro white light laser based on the perovskite micron sheet comprises a gain medium, the gain medium is an Erx: CsPbyClaBrbIc micron sheet, x + y = 1, a + b + c = 3, and x, y, a, b and cgt; 0; the Erx: CsPbyClaBrbIc micron sheet is of a Cl, Br and I halogen phase separation structure induced by Er < 3 + >, a stable three-phase pinning energy band is formed, and red laser, green laser and blue laser can be emitted at the same time. According to the low-threshold adjustable micro white light laser based on the perovskite micron sheet and the preparation method thereof, fine adjustment of chromaticity and color temperature can be achieved by adjusting halide composition, and the low-threshold adjustable micro white light laser has the advantages of being simple in preparation process, excellent in performance and high in stability.

The invention relates to an agricultural soilless vegetable cultivation device. The agricultural soilless vegetable cultivation device comprises a cultivation box, a bearing frame, an observation mechanism, a nutrition supply mechanism and a control table, the cultivation box is provided with a cultivation cavity and an illumination receiving opening, the bearing frame is arranged in the cultivation cavity, and a plurality of supporting column cultivation plates and a driving mechanism are arranged on the bearing frame; the driving mechanism drives the plant cultivation plate to circularly pass through the illumination area, the observation area and the nutrition supplementing area on the bearing frame; the observation mechanism is arranged in an observation area and captures image information of plants in real time, the nutrition supply mechanism is arranged in a nutrition supplement area and provides nutrition mixed liquid for the plants passing through the nutrition supplement area, and the observation mechanism and the nutrition supply mechanism are electrically connected with the control console. And the image information is received and the nutrient supply mechanism is controlled to adjust the concentration of the nutrient mixed solution, so that the growth condition of the plant in the device can be observed in real time, the growth environment of the plant can be adjusted in time, and the normal growth of the soilless culture plant is ensured.

The utility model relates to the technical field of lighting, especially in kind of double polarized distribution optical system and lamps and lanterns of the combination of reflector cup and lens, optical system includes reflector cup, lens, with the light outlet of reflector cup corresponds, the lens has first polarized part and second polarized part, first polarized part is used for polarized light to first side to second polarized part for polarized light to second side opposite to first side. The double polarized distribution optical system of the combination of reflector cup and lens can make the light of the same light source can illuminate two sides simultaneously, need not set up two groups of light source respectively, can satisfy the illumination need of two target areas under the condition of reducing cost and volume, uses the combination of reflector cup and lens to realize bidirectional polarized light, can effectively improve light utilization, improve the illumination of two target areas, satisfy the illumination need under the condition of reducing energy consumption.

The present invention discloses an intelligent dimming glass, comprising a glass body, a dimming component and a control component. The glass body has a receiving cavity. The dimming component is arranged in the receiving cavity. The dimming component comprises a plurality of dimming layers and a plurality of conductive layers, each dimming layer is provided with a conductive layer on both sides along the thickness direction; each dimming layer comprises a plurality of optical films and a plurality of interactive light transmission patterns, the plurality of optical films are arranged at intervals, and an interactive light transmission pattern is arranged between two adjacent optical films; in two adjacent dimming layers, the optical films are partially misaligned in the stacking direction of the dimming layers. The intelligent dimming glass of the present invention, the combination of staggered and stacked optical films and interactive light transmission patterns, effectively disperses light, reduces light spots and chromatic aberration, makes the light distribution on the entire glass surface more uniform, improves visual comfort, and realizes highly accurate control of light transmittance, reflectivity and scattering rate.

The utility model relates to the technical field of building lighting devices, in particular to an angle-adjustable building energy-saving lighting device which comprises a box body, a mounting mechanism is arranged on the box body, an adjusting box is arranged on one side of the box body, the interior of the adjusting box is communicated with the interior of the box body, a first adjusting hole is formed in the top end of the box body, and a second adjusting hole is formed in the top end of the box body. A first adjusting hole is formed in the bottom end of the box body, a second adjusting hole is formed in the bottom end of the box body, a first adjusting shaft is arranged on the first adjusting hole, a second adjusting shaft is arranged on the second adjusting hole, first conical teeth are arranged at the bottom end of the first adjusting shaft and the top end of the second adjusting shaft, and a solar panel is arranged at the top end of the first adjusting shaft; according to the structure, double-angle adjustment of the solar panel and the illumination mechanism is achieved, the solar energy utilization efficiency is improved, diversified illumination requirements are met, and the energy-saving performance, the flexibility and the intelligent level of a building illumination system are remarkably improved.

The utility model relates to the technical field of signal lamps, and discloses an energy-saving signal lamp which comprises a bottom box, a movable groove is formed in the bottom of the bottom box, universal wheels are fixedly connected to the four corners of the bottom of the bottom box, a first servo motor is fixedly connected to one side of the bottom box, and a bottom block is fixedly connected to the top of the bottom box. A moving block is movably connected to the outer surface of the bottom block, a top plate is fixedly connected to the top of the moving block, a solar panel is arranged at the top of the top plate, a mounting sleeve is fixedly connected to the top of the top plate, and a second threaded rod is arranged on the inner surface of the mounting sleeve; the traffic signal lamp is simple in structure and convenient to use, unclear indication caused by displacement of the traffic signal lamp due to slippery road during working is avoided, the traffic signal lamp can be fixed to the ground through the brake fixing block, stable and clear traffic indication is provided, and meanwhile the solar panel can adjust the position of the solar panel according to illumination of the sun to meet the power supply requirement of equipment.

The invention relates to the technical field of communication positioning, and solves the problem that an indoor positioning method and system for multi-stage dimming of optical signals cannot be provided in the prior art. The method comprises the following steps: improving an original coding mode of an original light signal of an illumination light source to obtain a first pulse width modulation signal after flicker suppression; performing dimming processing on the first pulse width modulation signal to obtain a target modulation signal supporting a multi-stage dimming ratio; according to the target modulation signal, sending a positioning optical signal to the to-be-positioned terminal; and receiving a reflected light signal emitted by the to-be-positioned terminal, and determining position information of the to-be-positioned terminal. According to the invention, real-time positioning of the to-be-positioned terminal is realized, light flicker is suppressed, and interference and influence of unsuitable light signals on a user in an indoor positioning process are avoided.

The utility model relates to the technical field of seedling box, and disclose a kind of vegetable seedling box of preventing ponding, including box, the inner wall of box is fixedly connected with side strip, the upper surface of side strip holds seedling tray, the bottom of seedling tray is fixedly connected with multiple cone cylinder, the inside bottom of box is placed with water receiving tray, and the outer wall of box is fixedly connected with overflow pipe, the outer surface of overflow pipe is inserted with flexible hose, and the outer wall of box is installed with temperature and humidity sensor.The utility model has efficient ponding prevention function, water leakage is set in the bottom of cone cylinder, soil adsorbs required moisture after watering, and excess moisture can be discharged in time, fall into water receiving tray, avoid ponding to affect vegetable seedling root system growth, simultaneously, water receiving tray side wall is equipped with leakage groove, when ponding is too much, it can be discharged through overflow pipe and flexible hose, and water receiving tray is convenient to take out, convenient to clean soil discharged with ponding, all-around guarantee seedling environment dry and comfortable.

The utility model relates to the technical field of light supplementing devices, and discloses a light supplementing lamp for greenhouse planting, which comprises a base and a connecting block, a motor is fixedly connected to the outside of the connecting block, a rotating shaft is fixedly connected to the output end of the motor, and a first bevel gear is fixedly connected to the outside of the rotating shaft. And a second bevel gear is connected to the exterior of the first bevel gear in a meshed mode, a threaded rod is fixedly connected to the interior of the second bevel gear, a moving block is connected to the exterior of the threaded rod in a threaded mode, and connecting plates are fixedly connected to the two sides of the exterior of the moving block. According to the utility model, more uniform illumination can be realized, light can be ensured to uniformly cover plants in the whole greenhouse, the illumination intensity can be better controlled, overexposure to the plants is avoided, the yield can be improved, and the angle of the light supplementing lamp can be adjusted to meet the illumination requirements of the plants in different growth stages; and normal growth and development of plants are promoted.

The application relates to a dual-purpose spotlight, which comprises a lamp body, a hanging support and a ground support, the hanging support and the ground support are rotationally connected to the lamp body, the hanging support is located on the front side of the ground support, the hanging support is provided with a hanging mounting hole, and the ground support is provided with a ground mounting hole. The hanging support and the ground support rotationally connected to the lamp body are arranged, the lamp body can be fixed on the ground through the ground support or the lamp body can be hung through the hanging support, the spotlight is not limited to a single mounting mode, can be applied to various occasions, the flexibility of the spotlight is improved, and diversified mounting and lighting requirements in complex scenes are met.

The present application relates to curtain wall technical field, specifically to a kind of photovoltaic wallboard and multilayer point photovoltaic curtain wall system, including fixed frame, the one side of the fixed frame is fixedly connected with outer transparent glass plate, the other side of the fixed frame is detachably connected with inner transparent glass plate.The present application overcomes the deficiencies of prior art, by the setting of adjusting shaft, worm and worm gear, so that when there is lighting demand in the room, adjusting shaft can be rotated, so that adjusting shaft drives worm to rotate through the transmission of second bevel gear and first bevel gear, worm drives each group of worm gear and shaft to rotate synchronously when rotating, shaft can drive U-shaped fixed backplate and photovoltaic panel to rotate when rotating, so as to realize the adjustment of the angle of each group of photovoltaic panel, so that the spacing between adjacent two groups of photovoltaic panel increases, so that external sunlight can penetrate the gap between adjacent two groups of photovoltaic panel to shine into the room, to meet the lighting demand in the room.

The utility model discloses an integrated light guide lens, which belongs to the technical field of automobile lamps and comprises a light guide strip, a plurality of groups of vertical grain rhombic bosses are arranged on the back of the light guide strip, and a plurality of groups of semi-cylindrical rhombic bosses are arranged on the front of the light guide strip. The angle of light guided by the light guide lens can be changed through refraction, the light is emitted towards the front face of the lens, the light passes through the semi-cylindrical rhombic boss on the front face, light collection is formed through the semi-cylindrical convex lens principle, and then the light is collected into lines, so that light scattering loss is reduced, a plurality of lines are collected to form a light-emitting face, and the inner boss and the outer boss are staggered. A controllable light path is formed, the requirements of different LED automobile lighting can be met, meanwhile, the shape of the light guide strip is adjusted according to different structures of automobile lamps, the light guide strip can be better attached to the internal structure of the automobile lamps, the space is reduced, and the problems that a traditional lamp is large in occupied space and low in adaptability are solved.

The application provides a vehicle atmosphere lamp control method and system, and relates to the technical field of intelligent cabin control.The method comprises the following steps: vehicle power-on initialization, reading vehicle interior atmosphere lamp initialization parameters, and outputting initialization brightness of the vehicle interior atmosphere lamp according to the initialization parameters; collecting vehicle gear signals and light state signals, obtaining current gear information and environment information of the vehicle; judging whether a driver input custom atmosphere lamp brightness reduction ratio instruction is received, generating vehicle interior atmosphere lamp brightness control decisions according to preset rules according to the current gear information and the environment information of the vehicle; and outputting target brightness of the vehicle interior atmosphere according to the vehicle interior atmosphere lamp brightness control decisions.The application realizes the synergistic linkage of individual preference, vehicle gear and ambient light, effectively reduces glare interference in the driving gear, keeps the cabin atmosphere in the parking gear, and takes into account driving safety and driving experience, and is suitable for intelligent control of atmosphere lamps of various intelligent vehicles.

An auxiliary culture device for garden seedling culture belongs to the technical field of garden seedling culture and comprises a bottom frame, side frames are symmetrically arranged on the left side and the right side of the bottom frame, a plurality of first bedplates are mounted between the two side frames, a plurality of culture pots are placed on each first bedplate, a rotating rod is rotatably arranged at the top ends of the two side frames, and two supporting arms are fixedly mounted on the rotating rod. The device can flexibly adapt to crop cultivation requirements of different photophilous degrees as required by adjusting the position of the baffle plate, can adjust the inclination degree of the baffle plate and can also adjust the covering area under the condition of different angles of inclined irradiation of sunlight due to different longitudes and latitudes, so that the device is convenient to use. In addition, the two extension plates can be promoted to extend or retract into the inner cavity of the shielding plate, the positions of the extension plates do not need to be adjusted one by one, operation is quicker, and practicability and flexibility are achieved.

The utility model discloses a metallographic microscope polarized light source which comprises a base, a microscope body is installed on the rear portion of the top wall of the base, an objective table is installed on the inner wall of the microscope body, a light source frame is installed on the top wall of the base through a rotating assembly, and a polarized light source body is installed on the inner wall of the light source frame. The utility model relates to the technical field of metallographic microscopes. According to the polarized light source of the metallographic microscope, the control rod drives the first micro motor to drive the small gear, the large gear, the rotating shaft and the U-shaped frame to rotate, the U-shaped frame drives the light source frame and the polarized light source body to start to rotate slowly, and when the polarized light source needs to incline forwards, the control rod controls the second micro motor located on the rear portion to work; according to the polarized light source, the light source frame and the polarized light source body can be adjusted in four directions, different illumination requirements can be met, the polarized light source has comprehensive applicability during use, the light source lens does not need to be touched by hands during adjustment, and adjustment is convenient and accurate.