8results about How to "Consistent light intensity" patented technology

The utility model discloses an eye protection lamp with an auxiliary lamp, and belongs to the field of lighting equipment. The eye protection lamp comprises a base, a supporting rod, a supporting arm, a first lighting unit and a second lighting unit. The bottom end of the support rod is connected with the base; one end of the support arm is connected with the top end of the support rod; the first lighting unit is located at the other end of the supporting arm, the light-emitting plane of the first lighting unit is arranged downwards, the second lighting unit is of an arc-shaped structure and surrounds one side of the first lighting unit, and at least one end of the second lighting unit is rotatably arranged at the other end of the supporting arm. According to the eye protection lamp with the auxiliary lamp, the light intensity of a dark environment and the light intensity of a corresponding use space of a desk can be kept consistent or the difference value of the light intensity of the dark environment and the light intensity of the corresponding use space of the desk is reduced, the fatigue feeling of a user is reduced, and the illumination intensity and the illumination effect on the desktop can be improved when the desktop environment needs to be intensively illuminated. Therefore, the method adapts to different application scenes.

The invention relates to a multi-environment regulation and control in-situ real-time photosynthetic phenotype imaging system applied to the field of photosynthetic phenotype imaging of crop plants, which comprises an environment control system, a photoelectric control system, an image acquisition system, a plant light system, a computer, a touch screen and a plant sample cultivated in a detection box, the box type multi-environment regulation and control in-situ real-time photosynthetic phenotype imaging system realizes automatic regulation and control of test environment factors, realizes in-situ real-time monitoring and imaging of chlorophyll fluorescence parameters of plants in a box body in an experiment process, improves the accuracy of chlorophyll fluorescence parameter detection, improves the efficiency of research work, and has a wide application prospect. The detection angle of the fluorescence imaging CCD camera is parallel to the to-be-detected blade by matching with the adjusting belt, the consistency of the detection distance is ensured, the warping part is smoothed by matching with the smoothing unit, and the accuracy of the detection result is ensured.

The utility model discloses a cultivation box convenient to classify and compare, and particularly relates to the technical field of crop cultivation, which comprises a planting box, a partition frame fixedly connected in the planting box, a water pump mounted at the top end of the planting box, fan boxes fixedly connected to two sides of the planting box, and communicating pipes communicated with the output end and the input end of the water pump. Wherein one end of one communicating pipe is communicated with a flow dividing pipe, the bottom end of the flow dividing pipe is communicated with a conveying pipe, the conveying pipe is fixedly connected with the interior of the planting box, a drip irrigation assembly and an adjusting mechanism are installed in the planting box, and the adjusting mechanism is installed above the drip irrigation assembly. By arranging the drip irrigation assembly and the adjusting mechanism, the distance between the drip irrigation heads can be adjusted according to the root depth and density of different corn varieties, so that the plant lamp can adapt to the change of the corn growth stage, and meanwhile, the height of the plant lamp can be adjusted according to the growth requirements of corn seedlings to meet the requirements of different stages.

The invention discloses a TDI camera-based product detection method and system, and a medium. The method comprises the following steps: installing a line light source; the light intensity of the line light source is controlled to be in periodical light and shade stroboflash according to stripe distribution, so that stripe images meeting the phase shift method under the RGB three channels are obtained; analyzing stripe images under three channels of RGB, and calculating and obtaining original height data of all pixel positions under each channel of RGB based on phase deflection; traversing the original height data of all pixel positions so as to obtain final height data of the current pixel position through weighted averaging according to RGB channel weights corresponding to the current pixel position; according to the method, the TDI true color camera is used for collecting the three-channel fringe images, channel crosstalk and response inconsistent errors are restrained through a self-adaptive weighted average mechanism, high-speed measurement is guaranteed, meanwhile, the reconstruction precision and robustness of phase deflection are remarkably improved, and false data introduced by interpolation are avoided.

The lampshade for the LED lamp comprises a lampshade body, the whole lampshade body is in a long strip shape, the cross section of a main body part of the lampshade body is in a downwards-concave arc shape, and outwards-protruding stripes which extend in the length direction of the lampshade body and are sequentially arranged in the width direction are distributed on the inner wall of the main body part of the lampshade body. The main body part of the lampshade body is divided into a middle light-transmitting area located in the middle area and side light-transmitting areas located on the two sides of the middle light-transmitting area in the width direction of the lampshade body, and the width size of the cross section of each convex stripe on the middle light-transmitting area is larger than the width size of the cross section of each convex stripe on the two side light-transmitting areas. The lampshade has the advantages that the overall light-emitting intensity of the lampshade tends to be consistent, light refraction and light emission are more uniform, the problem of light-emitting surface fault can be effectively solved, and messy lines of light-emitting light spots are reduced.

The application discloses a plant LED lighting system, comprising: a plurality of groups of light sources, each group of the light sources comprising a plurality of LED light source components; and a constant current power supply, the length of the power supply line of the constant current power supply to each of the LED light source components in the same group of the light sources being consistent; the length of the power supply line of the constant current power supply to each of the LED light source components in the same group of the light sources being consistent, that is, the distance of the constant current power supply output to each of the LED light source components in the same group of the light sources being consistent, balancing the line loss of each output power supply line, achieving the balance of the output current of each of the LED light source components in the same group of the light sources, realizing the consistency of the light intensity of a single group of the light sources, and the consistency of the uniformity of the light illumination in the area.

The utility model discloses a main and auxiliary double-disc eye protection lamp, and belongs to the field of lighting equipment. The main-auxiliary double-disc eye protection lamp comprises a base, a supporting rod, two supporting arms and two lighting units. The bottom end of the supporting rod is connected with the base; one ends of the two supporting arms are sequentially arranged in the vertical direction and rotationally arranged at the top end of the supporting rod, and a rotating shaft of each supporting arm extends in the axial direction of the supporting rod. The two lighting units correspond to the two supporting arms in a one-to-one mode, all the lighting units are rotatably arranged on the corresponding supporting arms, and rotating shafts of all the lighting units extend in the axial direction of the supporting arms. According to the main and auxiliary double-disc eye protection lamp, the positions of the corresponding lighting units can be adjusted in the horizontal direction, so that the lighting area in the horizontal direction is adjusted, the application range is enlarged, multiple lighting modes can be provided, the lamp is suitable for different application scenes, and therefore the fatigue feeling of a user is reduced.

The utility model discloses a floor type double-disc eye protection lamp, and belongs to the field of lighting equipment. The floor type double-disc eye protection lamp comprises a base, a supporting rod and two lighting units. The base is used for being placed on the ground, and the bottom end of the supporting rod is connected with the base; the two lighting units are sequentially arranged at the top end of the supporting rod in the vertical direction, the light-emitting plane of the upper lighting unit is arranged upwards, the light-emitting plane of the lower lighting unit is arranged downwards, and the two lighting units are movably arranged on the supporting rod. And the height of the lighting unit on the supporting rod is adjusted. The floor type double-disc eye-protection lamp provided by the embodiment of the utility model not only can avoid occupying the position on a desk, but also can keep the light intensity of a dark environment and the light intensity of a corresponding use space of the desk consistent or reduce the difference between the light intensity of the dark environment and the light intensity of the corresponding use space of the desk, thereby reducing the fatigue feeling of a user and meeting the requirements of different users.