47results about How to "Consistent light intensity" patented technology

The invention provides an LED photographic lamp capable of changing an illumination angle. The LED photographic lamp comprises a lamp holder assembly and a control box assembly, wherein the lamp holder assembly is connected with the control box assembly; two notch sections are symmetrically arranged on both sides of the front end of the front light emitting surface of the lamp holder assembly; and each notch section comprises at least two notches. The LED photographic lamp also comprises an optical lens assembly, wherein the optical lens plates correspond to the notches; and both ends of the optical lens plates are respectively embedded in the two symmetrical notches. The lamp holder assembly is connected with the control box assembly in a detachable manner through a buckle mechanism. TheLED photographic lamp can accurately, rapidly and conveniently change the illumination angle without influencing the light intensity and the light quality.

The invention belongs to the field of plant cultivation and particularly relates to a plant cultivation device. The plant cultivation device is based on a central radiation mode. The plant cultivation device comprises a vertical cylinder-shaped plant cultivation frame, the plant cultivation frame is provided with multiple layers of cultivation grooves and a cylinder-shaped light source, and the light source is vertically arranged at the center of the plant cultivation frame. The plant cultivation device has the advantages that high light source space efficiency is achieved, natural lighting can be used, and light source heat is easy to manage.

The invention discloses a backlight module. The backlight module comprises a backboard and a plurality of light emitting units. The light emitting units are spliced and fixed to the backboard sequentially. Each light emitting unit comprises a light source component and a light guide piece. The light guide pieces are adjacent to the light source components. Each light guide piece comprises a body and an extension portion. The bodies are fixed to the backboard. Each body comprises a first reflection surface away from the backboard. Each extension portion is arranged at one end, away from the corresponding light source component, of the corresponding body, and comprises a second reflection surface away from the backboard. The second reflection surfaces are connected with the first reflection surfaces smoothly to form upper reflection surfaces of the light guide pieces. The upper reflection surfaces are used for reflecting light rays emitted by the light source components to the direction away from the backboard. Accommodating spaces are formed between the extension portions and the backboard, and are used for accommodating the light source components of the light emitting units. The backlight module emits light evenly. The invention further discloses a display device.

A plant light apparatus is provided. The plant light apparatus (100, 200) includes a main body (105), a planting region (130), and a light emitting region (140, 240). The main body includes a first plane (110) and a second plane (120, 220). The planting region is located on the first plane of the main body. The emitting region is a polygon located on the second plane of the main body. The plant light apparatus further includes a plurality of sets of main light sources, where the sets of the main light sources are respectively located on a plurality of corners of the emitting region, such that and an illuminance intensity of the planting region obtained from the main light sources is within a predefined luminance intensity interval.

The invention relates to a simulated on-site cultivation system for measuring marine primary productivity by using a black-and-white bottle sampling method, comprising a cultivation unit, a temperature and water flow simulation control unit, and a lighting simulation control unit; the cultivation unit includes several cultivation subunits, and the cultivation subunits The unit includes a cylinder-shaped water bath cover, a central rotating shaft is arranged along the central axis of the cylinder, and a culture bottle rotating bracket is arranged on the periphery of the central rotating shaft. Several culture bottles are detachably fixed on the culture bottle rotating bracket, and each culture subunit Set in series with the central rotating shaft as the axis, there are gaps between the culture sub-units; the temperature and water flow simulation control unit includes a circulating water bath, which is connected to the water inlet and water outlet on the water bath cover respectively; the lighting simulation control unit It includes a light panel and a fluorescent tube, the fluorescent tube is arranged on the light panel, the fluorescent tube is connected to a power supply, and the lighting simulation control unit is set outside the outermost cultivation sub-unit.

The invention relates to a detection and sorting device for steel balls, which includes a frame, a feeding mechanism, an unfolding mechanism, a blocking mechanism, a detection mechanism, a sorting mechanism and a receiving mechanism; the feeding mechanism includes a storage box, a lower The hopper and the feeding pipe, the unfolding mechanism includes a feeding guide rail, the feeding guide rail is a V-shaped linear guide rail, and the feeding hopper is connected to the starting end of the feeding guide rail through the feeding pipe; the detection mechanism includes a light source assembly and a camera assembly, and the light source assembly cover is set On the conveying guide rail, the sorting mechanism and receiving mechanism are arranged at the end of the conveying guide rail, and the defective steel balls and qualified steel balls can be collected separately through the sorting mechanism and receiving mechanism. The detection and sorting device of the present invention can realize automatic feeding, detection and sorting of steel balls, and the detection process changes from the two-dimensional movement of the traditional unfolding plate to the one-dimensional pure rolling of steel balls on one side, with high detection efficiency and no false detection The detection rate and missed detection rate are low, and the steel ball will not be magnetized or the surface of the steel ball will be damaged during the detection process.

The invention discloses a method for imitating luminous environment. The method comprises the following steps: respectively confirming the light intensity of the light which influences the growth of crops in the spectrum of the actual luminous environment of the crops, and according to the corresponding relationship between the output power of a lamp and the light intensity, adjusting the output power of the lamp which can emit the light influencing the growth of crops. According to the method for imitating luminous environment provided by the invention, the lamp which can emit the light influencing the growth of crops is used as a light source, the light intensity of the light which influences the growth of crops is confirmed according to the spectrum of the actual luminous environment of the crops, and the output power of the lamp is adjusted based on the light intensity, thereby ensuring that the intensity of the light emitted by the lamp is accordant with the intensity of the light in the actual luminous environment and realizing the accurate imitation for the luminous environment. The invention also discloses a system for imitating luminous environment.

The invention belongs to the field of ultraviolet curing, and particularly relates to a coating line for rapid coating of a rod-shaped appliance and a coating process. The coating line for rapid coating of the rod-shaped appliance comprises a coating and painting device and a curing device with an inlet connected with a discharging opening of the coating and painting device; and the curing device comprises a reflection cover and at least three light sources, and the reflection cover comprises three lamp holders where lamp tubes are installed and a reflection plate for connecting the three lamp holders. The curving device of the coating line can irradiate the rod-shaped appliance in a 360-degree dead-corner-free manner, and uneven curving can be avoided; the curving device is made to be in a hopper shape, it can be guaranteed that even though the rod-shaped appliance cannot vertically fall after falling from the coating line, due to the fact that paint is recycled, circulated and used, energy conservation and environmental protection are achieved, and cost is reduced.

A system and research method for long-term acidification adaptability research of large marine algae, belonging to the field of algae physiological ecology, it includes a breeding workshop and a long flow system in the workshop, the workshop is located within 1km from the natural sea area, and the roof of the workshop is made of translucent glass steel tiles The water system of the workshop is composed of a water storage tank, a carbon dioxide enrichment pool and an algae breeding pool; the water in the water storage tank is drawn from a natural sea area, and the water storage tank, the carbon dioxide enrichment pool and the algae breeding pool three use drainage pipes Unicom, the drainage pipe is equipped with valves to control the water intake and discharge; the carbon dioxide enrichment pool is equipped with a carbon dioxide enrichment device, and the pH value of seawater is adjusted by the inflation method; the present invention establishes A relatively stable seawater acidification culture system for macroalgae was developed, and the pilot-scale research on the long-term acidification adaptability of macroalgae under natural conditions was realized by using this system.

The invention discloses an intelligent control method for light intensity in a 3D printer, which adjusts the uniformity of projected light through light source circuit partition control and light intensity compensation. In the light source circuit partition control, the light intensity passing through the projection surface is made into an optical path Surface, and layered according to the surface data, connect and control the light intensity of the lamp beads in the same layer, the light intensity between different areas can be adjusted to the same average value, so as to achieve consistent light intensity. In the light intensity compensation, the light intensity is compensated repeatedly through the light intensity compensation picture cycle, the bright part is darkened, the dark place is brightened, and finally the ideal light intensity compensation picture is obtained after many cycles, and the light intensity compensation picture is applied to the light curing printer The projection imaging system realizes uniform distribution of light intensity on the projection surface and improves printing accuracy.