34results about How to "Reduce shadow area" patented technology

A phototherapy apparatus with the function of change-over to different wavelength including a housing, a radiation head, and a plurality of light-emitting diodes. The radiation head and a translucent cap are formed in a non-circular contour, and the light-emitting diodes are divided into at least two groups having different wavelength, and two groups of the light-emitting diodes are arranged in a staggered manner on the circuit board. A light-emitting diode (LED) control circuit is disposed within the receiving chamber to supply power to the circuit board and to enable the light-emitting action of one group of the light-emitting diodes on the circuit board. An operating interface is mounted on the surface of the housing and permits a free choice of the groups of the light-emitting diodes for a phototherapy.

A phototherapy apparatus including a housing, a radiation head, and a plurality of light-emitting diodes. The radiation head and a translucent cap are formed in a non-circular contour, and the light-emitting diodes are divided into at least two groups having different wavelength, and two groups of the light-emitting diodes are arranged in a staggered manner on the circuit board. A light-emitting diode (LED) control circuit is disposed within the receiving chamber to supply power to the circuit board and to enable the light-emitting action of one group of the light-emitting diodes on the circuit board. An control panel is mounted on the surface of the housing and permits a free choice of the groups of the light-emitting diodes for a phototherapy.

The invention relates to the field of environmental control of a sunlight greenhouse, in particular to a multi-stage internal heat insulation shading system for a greenhouse and the greenhouse containing the system. The internal heat insulation shading system comprises multi-stage internal heat-insulation shading screens, a screen pressing line and a screen supporting line, a plurality of pulling screen mechanisms, a driving shaft and a motor for driving the rotation of the driving shaft; each pulling screen mechanism comprises a driving steel cable and a reversing pulley, wherein one ends of the driving steel cables are wound on the driving shaft, and the other ends of the driving steel cables are wound on the reversing pulleys; one sides of the inner heat insulation screens are fixed, and the other ends of the inner heat insulation screens, as retracting and releasing ends, are respectively connected with the driving steel cables. The internal thermal insulation shading system not only has the advantages of simple structure, saving production cost, but also can flexibly regulate and control the indoor temperature and light according to the different needs of temperature and light by crops in different growing seasons and different time. Compared with traditional internal insulation and shading systems, the system provided by the invention has a greater application and promotion value.

A backlight module is provided. The backlight module includes a light guide plate, a lamp and an optical microstructure. The light guide plate has an edge side. The lamp is disposed on the edge side of the light guide plate. The lamp has an electrode end. The light guide plate has a corner shadow area adjacent to the corner shadow area. Light generated by the lamp propagates toward the edge side in the first direction. The optical microstructure is disposed on a surface of the edge side of the light guide plate and guides the light toward the second direction to enter the corner shadow area.

The invention provides a backlight module and liquid crystal display equipment. The backlight module comprises a fixing frame and optical membrane sets. The fixing frame comprises a side wall and a supporting arm extending in the vertical direction of the side wall. The upper surface of the supporting arm is provided with membrane fixing parts. Each optical membrane set comprises a brightening film and a first optical membrane, wherein the first optical membrane is arranged on the side, close to the fixing frame, of the brightening film and is adjacent to the brightening film. Each optical membrane is provided with a membrane edge protruding part. The optical membrane sets are matched with the membrane fixing parts through the membrane edge protruding parts to be fixed to the fixing frame. Parts, on the membrane edge protruding parts, of the brightening films and the first optical membranes do not overlap. The problem of shadow display in a visual area is reduced..

The invention discloses an energy-saving roof capable of injecting most sunlight in winter and injecting least sunlight in summer, relates to a roof structure, and aims to provide the energy-saving roof which is simple in structure and convenient to mount. By virtue of the roof, a house can receive most direct sunlight in winter, and can receive least direct sunlight in summer, and therefore, the energy-saving roof completely meets design requirements of a green building. The energy-saving roof capable of injecting most sunlight in winter and injecting least sunlight in summer comprises at least one roof unit, wherein the roof unit comprises light shading plates and light transmission plates; the inclination angles alpha 1, relative to the horizontal plane, of the light shading plates are 70 degrees-beta, and beta is local latitude; the light transmission plates and the light shading plates are arranged at one side of the lower inclined plane of each light shading plate in a perpendicular mode; and the upper side edges of the light transmission plates are in sealing fit with the light shading plates.

A pixel structure, an array substrate and a display device are provided. The invention relates to the field of liquid crystal display technology, and can solve the problem of large shadow zones formed between slit electrodes in the existing pixel structure. The pixel structure of the invention comprises a slit electrode and a plate electrode. The slit electrode includes at least two layers, each of which includes a plurality of strip-shaped electrode sections and a plurality of slits located between the adjacent electrode sections, the electrode sections in an upper layer are positioned over the slits in a lower layer, projections of the electrode sections in the layers on a substrate are not overlapped with each other, and the layers are separated from each other by a first insulation layer. The plate electrode is provided under the slit electrode and separated from the slit electrode by a second insulation layer.

The invention relates to the Mini LED technical field, and especially relates to a flexible Mini LED packaging structure and a preparation method thereof. The flexible Mini LED packaging structure comprises a TFT driving device layer and more than two LED lamp beads, and a glass substrate, a reflection layer, an organic buffer layer and a water oxygen barrier layer are stacked on one end face of the TFT driving device layer in sequence; more than two LED lamp beads are embedded in an organic buffer layer at equal intervals, water and oxygen absorption particles are added into gaps among the LED lamp beads, and the water and oxygen absorption particles play a role in absorbing water and oxygen permeating into the LED lamp beads, protecting the LED lamp beads and prolonging the service lifeof the LED lamp beads; more than two focusing convex transparent layers are arranged on the water-oxygen barrier layer, and the focusing convex transparent layers are correspondingly arranged above agap between two adjacent LED lamp beads, so that the brightness of the Mini LED display is improved, the shadow area at a splicing seam is reduced, and the brightness uniformity of the whole display screen is improved.

Provided are an RFID reader and a data recovery method which selectively selects only an integrity-checked phase signal, when receiving a backscattered signal of an RFID tag through an I signal path or a Q signal path, and may reduce a shadow area of a read range. The RFID reader includes a signal receiver which receives a plurality of phase signals; a symbol detector which recovers data with respect to each of the received phase signals; and a signal selector which selects a signal that satisfies a predetermined standard, from the data-recovered phase signals.

The invention discloses a lighting method of a landscape wall, and relates to the technical field of landscape lighting. A spatial coordinate system is established, a horizontal plane is arranged as an XY plane, a plane parallel to the landscape wall is arranged as a YZ plane, a vertical plane vertical to the landscape wall is arranged as an XZ plane; and light emitted from a lamp source to the landscape wall simultaneously has vector components in the X direction, the Y direction, and the Z direction. According to the lighting method of the landscape wall, light can be more dispersed to illuminate the landscape wall, and brightness of each corner of the landscape wall is more balanced.

The invention provides a working table for electronic equipment production and processing, and relates to the field of electronic equipment. The working table for electronic equipment production and processing comprises a base, wherein a non-slip mat is fixedly connected to the bottom part of the base; non-slip lines are arranged on the bottom part of the non-slip mat; damping devices are fixedlyconnected to two sides of the top part of the base; a working table body is connected to the top parts of the damping devices; a working table board is arranged on the top part of the working table body; support pillars are fixedly connected to the positions, located on two sides of the working table board, on the top part of the working table body; and a top plate is fixedly connected to the topparts of the support pillars. According to the working table for electronic equipment production and processing, a lampshade is rotated manually, an angle of the lampshade can be conveniently adjustedthrough the mutual matching of a first installation block, a second installation block and a first hinged piece, and an illuminating angle is conveniently adjusted, so that a shaded area is reduced,an illuminating effect is better, a workpiece can be conveniently processed, and the production efficiency is effectively improved.

The invention discloses a plate tile and a solar roofing structure. The plate tile comprises a lighting surface of the plate tile, wherein a solar chip is attached on the upper surface of the lightingsurface of the plate tile, and the lighting surface of the plate tile is a sunken cambered surface. When the plate tile is buckled on a counter batten by an imbrex, and the length of the exposed partof the plate tile is greater than the length of the imbrex in the transverse direction. According to the plate tile and the solar roofing structure, the problem of sunlight loss caused by the shadowof the imbrex shielding the solar chip of the plate tile is solved, the use efficiency of the solar chip is improved, the sunlight collecting area of a whole roof is increased, and thus the effectivearea of power generation and the transfer efficiency of sunlight are improved.

The invention relates to a fixation device of a heat preservation quilt in a novel greenhouse. The fixation device comprises a greenhouse body, the heat preservation quilt and a roller shutter device,wherein the greenhouse body is provided with a rear wall and a rear slope, the roller shutter device comprises a strut and an upright, a driving device is installed on the front end of the strut, a balance device comprises a support and a balance frame, and one end of the heat preservation quilt is fixed on the balance frame, so the rolled heat preservation quilt can be put on the fixation deviceof the heat preservation quilt, and normal start and stop of the roller shutter machine are not influenced. The device effectively solves the problems that a greenhouse framework bears loads for a long time and a ventilation device cannot be put at an optimal place, effectively reduces a shadow generated by the greenhouse and the heat preservation quilt under sunlight exposure, promotes decreasein clearance between neighboring greenhouses and increases the density of a greenhouse cluster.

The invention discloses a multimodal spectrum stabilizing method of a low-activity gamma power spectrum. The method comprises that (S1) channel addresses of standard characteristic peaks in the gammapower spectrum are obtained via a gamma reference source whose energy is known, equal shadow areas are taken in the left and right sides of each standard characteristic peak, and the absolute value ofthe difference between the areas in the left and right sides of the standard characteristic peak is minimal; (S2) in a channel address interval calibrated by shadows, a difference DeltaN between theshadow areas of the two sides of the characteristic peak in a spectral line to be detected as well as the sum N of the shadow areas in the two sides is calculated, and a relative deviation variable, of three peak total counting rate, eta=DeltaN / N; (S3) the relative deviation variable eta of the three peak total counting rate is compared with a spectrum drift threshold epsilon, and the drift condition of the spectral line to be detected is determined; and (S4) the magnitude of the spectrum drift is calculated, a corresponding control word is obtained, and the high voltage of a detector or the amplification multiple of a spectrum amplifier is adjusted to stabilize the spectrum. The method can be used to measure the low-activity gamma power spectrum, reduce the system error of spectrum stabilization and improve the accuracy of spectrum stabilization.

The invention relates to the technical field of spirulina nutrition egg detection, and discloses a spirulina nutrition egg detection device and method.The spirulina nutrition egg detection device comprises a support which stands on the ground and is used for installing parts, and three driving assemblies which are linearly distributed and are used for conveying eggs are fixedly arranged in the support; the driving assembly comprises two driving belts, a plurality of driving rollers, a fixed roller and a plurality of material stirring brush strips; a driving assembly composed of two driving belts, a plurality of driving rollers, a fixed roller and a plurality of material stirring brush strips is installed in the support, the fixed roller is of a fixed structure, and the plurality of driving rollers can be divided into two parts by the fixed roller. Therefore, the driving rollers located in front of the fixed roller can convey eggs to the position between the driving rollers close to the fixed roller and the fixed roller, the fixed roller is fixed, so that the eggs can stop moving, the purposes of conveying the eggs and blocking egg conveying at the designated position are achieved, and an operator can conveniently conduct other operations.

The invention provides a backlight module and liquid crystal display equipment. The backlight module comprises a fixing frame and optical membrane sets. The fixing frame comprises a side wall and a supporting arm extending in the vertical direction of the side wall. The upper surface of the supporting arm is provided with membrane fixing parts. Each optical membrane set comprises a brightening film and a first optical membrane, wherein the first optical membrane is arranged on the side, close to the fixing frame, of the brightening film and is adjacent to the brightening film. Each optical membrane is provided with a membrane edge protruding part. The optical membrane sets are matched with the membrane fixing parts through the membrane edge protruding parts to be fixed to the fixing frame. Parts, on the membrane edge protruding parts, of the brightening films and the first optical membranes do not overlap. The problem of shadow display in a visual area is reduced..

The present disclosure relates to a method of controlling operation of wind turbine generators (WTGs) in a hybrid power plant including both WTGs and PV modules. The method includes steps of: monitoring at least one operating parameter for one or more of the WTGs; monitoring at least one operating parameter for one or more of the PV modules; and controlling operation of the WTGs in dependence on the monitored operating parameters in order to control blade shadows cast by the WTGs on the PV modules and thereby optimise the power output of the PV modules, for example by reducing the blade shadow area cast on the PV modules.

The invention discloses an illumination system suitable for a proximity contact type automatic exposure machine, which comprises a lens, the inner side wall of the lens is provided with a semi-transparent and semi-reflective mirror, the upper surface of the lens is provided with a CCD camera, the outer side wall of the lens is provided with a coaxial illumination lamp, and the coaxial illumination lamp is provided with a camera. An adjusting cylinder is slidably connected to the outer side wall of the lens and located below the coaxial illuminating lamp, and the lower surface of the adjusting cylinder is in threaded connection with an annular illuminating lamp. The influence caused by coating glass powder on the surface of the wafer and acid spots on the surface can be reduced, meanwhile, the shadow area formed by projection of the mask plate on the wafer is reduced, the imaging effect is greatly improved, and automatic alignment is better facilitated.

The invention provides a diffusion agricultural film which is prepared by uniformly mixing a diffusion parent material with matrix resin and subsequently performing blow molding; and LDPE (Low-Density Polyethylene) is taken as the matrix resin. The diffusion agricultural film is characterized in that the diffusion parent material comprises at least one of zinc oxide or magnesium oxide; both the zinc oxide and the magnesium oxide are greatly different from refractive index of the matrix resin LDPE and take a shielding effect on infrared light. The prepared diffusion agricultural film has functions of achieving irradiation uniformity of light in a greenhouse and reducing the shaded area caused by direct irradiation of the light and the damage to the crops; and meanwhile, the zinc oxide and the magnesium oxide take a good shielding effect the on infrared light, so that the agricultural film has good heat insulation property. Compared with the conventional agricultural film, the temperature in the greenhouse is increased by 2-3 DEG C, so that the greenhouse effect is achieved to a certain extent, thus the effect of increasing the yield of the crops can be achieved.

The invention discloses an airship type lighting device, and relates to the technical field of lighting. The airship type lighting device comprises an airship and a lighting mechanism. A power supplyand a propeller are arranged on the airship; the lighting mechanism is arranged on the lower portion of the airship and comprises a universal joint and a lighting lamp, the two ends of the universal joint are connected with the airship and the lighting lamp respectively, the universal joint is configured to be capable of rotating to change the lighting angle of the lighting lamp, and the lightinglamp is electrically connected with the power source. The airship type lighting device can be used for lighting the environment from top to bottom at a high position, so that the shadow area of a lighted object can be greatly reduced, a worker can observe a working target conveniently, and the working efficiency is improved. Meanwhile, the irradiation position and the irradiation angle of the airship type lighting device can be flexibly adjusted, and the applicability is extremely good.

The invention discloses a diffusion agricultural film, belongs to the field of agricultural films and aims at providing a diffusion agricultural film which can realize uniform irradiation of light rays in a shed and reduce shaded area caused by perpendicular incidence of light rays and harm on crops. The diffusion agricultural film is composed of diffusion master batch and matrix resin, wherein the diffusion master batch comprises 0.56-0.78 part of zinc oxide and 8 parts of poly(imino ketone). The diffusion agricultural film disclosed by the invention can be used for crop planting.

The invention relates to a novel two-side self-walking type curtain rolling device. The novel two-side self-walking type curtain rolling device comprises a power device, an auxiliary curtain drawing device, and a heat preservation quilt placing frame, wherein the power device comprises a driving motor I, and a supporting pulley, and a mounting rod is fixedly connected to the driving motor I; the supporting pulley is rotatably connected to the bottom of the mounting rod; the supporting pulley is in sliding connection with a rail groove; the auxiliary curtain drawing device comprises a pull ropeframe, a plurality of steering wheels, and a plurality of skeleton external grooves, a transmission shaft is arranged on the pull rope frame; a driving motor II is connected to the transmission shaft; a rope rolling cylinder is fixedly connected to the transmission shaft; one end of a steel cable is fixedly connected to the rope rolling cylinder, a steel cable main body passes through a steeringwheel and is arranged in the skeleton external grooves, and the other end of the steel cable is fixedly connected with the bottom of a heat preservation quilt or a curtain rolling shaft; and the heatpreservation quilt placing frame is provided with a water baffle and a placing plate; and the placing plate is arranged at the rear part of the top end of the greenhouse. The novel two-side self-walking type curtain rolling device disclosed by the invention is applied for a greenhouse long in length to realize high-efficient and quick curtain expanding and rolling.

The invention discloses a transmitted light three-dimensional super depth-of-field microscope with an additional lighting module, which comprises a device main body, a microscope station is arranged at the upper end of the device main body, an electric control box is arranged in the device main body, a positioning bracket, a movable support, a control console and a control key are arranged at the upper end of the microscope station, and the control key is arranged at the lower end of the device main body. A supporting table is fixedly installed at the front end of the positioning support, a lifting support is arranged at the front end of the supporting table, and a positioning support is installed at the front end of the lifting support. According to the transmitted light three-dimensional super-field-depth microscope with the additional illumination module, the microscope support, the microscope control module and the illumination module are integrated, microscope observation can be conveniently and better carried out, the observation effect is more excellent, the use performance of the microscope is improved, the microscope can be conveniently controlled, and the service life of the microscope is prolonged. And the lighting effect is achieved, the shadow condition is prevented, and better use is facilitated.

The invention relates to a plant nutrient solution and a preparation method thereof. The plant nutrient solution comprises, by weight, 20-25 parts of water-soluble silicon, 10-20 parts of urea, 0.01-0.03 part of gold, and 70-80 parts of water; the water-soluble silicon is a mixture of sodium silicate and potassium silicate in the weight ratio of 1:(1-5). The components of raw materials of the plant nutrient solution have interaction and synergistic effects, through the cooperation with existing nitrogen, phosphorus and potassium fertilizers, the abilities of crops to absorb nitrogen, phosphorus and trace elements from the nitrogen, phosphorus and potassium fertilizers can be improved, transfer of the elements is accelerated, tissue becomes compact, nutrient losses are reduced, the crop yield and quality can be significantly improved, and the crop resistance to drought, disease and pest damage, lodging and the like can be significantly improved.

The invention relates to the technical field of lamps, in particular to a power supply installation structure of a light-emitting diode (LED) lamp. The power supply installation structure comprises a radiating substrate, a light-emitting diode (LED), an electronic component and a wire. The LED is arranged on the upper surface of the radiating substrate, the wire is connected with the electronic component, the electronic component is welded on the upper surface or the lower surface of the radiating substrate, a round hole is formed in the radiating substrate, and the wire penetrates the round hole from the place below the radiating substrate to be welded on the upper surface of the radiating substrate. Due to the fact that the electronic component is welded on the upper surface or the lower surface of the radiating substrate, raw materials are saved, power supply installation procedures are simplified, the production efficiency is improved, the production cost is reduced, and large-range large-scale popularization and application are facilitated.