40results about How to "Improve light receiving efficiency" patented technology

A pair of light-receiving sections are placed at positions symmetric to a light-emitting axis of a light-emitting section on the inner circumferential surface in close contact with a finger, and each light-receiving section is composed of a plurality of light receiving regions so that by selecting a signal of the light receiving region which maximizes a reception signal, the propriety and the correction direction of a wearing position are displayed. According to the ring sensor, it becomes possible to enhance light-receiving efficiency of the light-receiving section and to increase a signal-noise ratio. It also becomes possible to facilitate wearing of the ring sensor at an optimum position.

The invention discloses an array-type configuration method for tracking-type photovoltaic devices. The array-type configuration method includes the steps of 1), establishing three-dimensional models of the tracking-type photovoltaic devices; 2), establishing rotation transformation models; 3), determining composite rotation transformation models of photovoltaic panels; 4), selecting shadow calculation key points; 5), calculating shadow coordinates of the key points; 6), drawing annual shadow position track lines of the key points and calculating configuration spaces among neighboring photovoltaic devices; 7), acquiring array configuration results of the photovoltaic devices. Complexity in shadow calculation of the tracking-type photovoltaic devices is taken into consideration, shadow transformation matrix models under shining of the sun are structured, the annual shadow position track lines of the key points of the tracking-type photovoltaic devices are calculated and drawn, the minimum configuration spaces among the neighboring photovoltaic devices without shading of shadows are acquired, land occupation area and consumption of building materials for construction of a photovoltaic power station are reduced, and installed capacity and generating efficiency of the photovoltaic power station can be improved.

A separation unit can confirms a separation state, a detection unit enhances a lighting efficiency and a light reception sensitivity, and a dispensing unit ensures the normal state of a specimen. A specimen separation device characterized by comprising a container for storing a specimen, a nozzle for sucking and ejecting the specimen from the container, a nozzle operating means for moving the nozzle vertically and laterally, and a nozzle controlling means for controlling the suction force and ejection force of the nozzle. A specimen identification device comprising a nozzle for sucking a specimen from a container storing the specimen, a flow path for allowing the specimen to flow therethrough, and a measuring unit having a monitoring light lighting unit and a light receiving unit for observing (monitoring) the specimen that are installed in a flow path, characterized in that the above nozzle, the flow path and the measuring unit are formed in an integrated structure.

A CMOS image sensor and a method for fabricating the same with improved light-receiving efficiency of the active device, e.g., a photodiode. The CMOS image sensor includes at least one photodiode positioned on a semiconductor substrate; and a microlens disposed above each photodiode, wherein the microlens is formed of a polymer exhibiting excellent transmissivity.

A CMOS image sensor and a method for manufacturing the same improve light-receiving efficiency and maintain a margin in the design of a metal line. The CMOS image sensor includes a transparent substrate including an active area having a photodiode region and a transistor region and a field area for isolation of the active area, a p-type semiconductor layer on the transparent substrate, a photodiode in the p-type semiconductor layer corresponding to the photodiodes region, and a plurality of transistors in the p-type semiconductor layer corresponding to the transistor region.

The invention discloses a bag photobioreactor made of flexible films and a photobiology culture system comprising the same. A fluid inlet / outlet for injecting and discharging photobiology culture fluid is formed on the photobioreactor, and an aerating device is arranged in the photobioreactor. The photobioreactor is characterized in that at least a vertical linear isolation strip is formed in the photobioreactor and is used for dividing the photobiology culture fluid in the photobioreactor into a plurality of fluid columns with bottoms communicated with each other; the aerating device is used for injecting gases into the photobiology culture fluid via the bottoms of the fluid columns; and the gases include the reaction gases required for photobiology growth. The photobioreactor has the following beneficial effects: the gases injected by the aerating device can flow smoothly along the vertical fluid columns from bottom to top, so that the photobiology and reaction gases in the photobiology culture fluid can fully react, and the photobiology culture fluid can be fully stirred by the gases, thus improving the light intercepting efficiency of the photobiology.

The invention discloses a bag photobioreactor made of flexible films and a photobiology culture system comprising the same. A fluid inlet / outlet for injecting and discharging photobiology culture fluid is formed on the photobioreactor, and an aerating device is arranged in the photobioreactor. The photobioreactor is characterized in that a plurality of isolation points are formed in the photobioreactor and are used for dividing the photobiology culture fluid in the photobioreactor into a plurality of fluid areas communicated with each other; the aerating device is used for injecting gases into the photobiology culture fluid via the bottom of the photobioreactor; and the gases include the reaction gases required for photobiology growth. The photobioreactor has the following beneficial effects: the gases injected by the aerating device can flow through each fluid area smoothly from bottom to top, so that the photobiology and reaction gases in the photobiology culture fluid can fully react, and the photobiology culture fluid can be fully stirred by the gases, thus improving the light intercepting efficiency of the photobiology.

The invention discloses a photovoltaic module. The photovoltaic module comprises glass and a back panel which are laminated, wherein a plurality of battery pieces are laid between the glass and the back panel, a gap exists between edges of adjacent battery pieces, a reflective layer is arranged in the gap, and a reflective surface of the reflective layer faces the glass. Sunlight irradiates the photovoltaic module, a light ray irradiating the gap is reflected to the glass under a reflective effect of the reflective layer at a gap position, is secondarily reflected by the glass and is returnedto the battery pieces, thus, the part of split light is collected by the battery piece, the light receiving efficiency of the photovoltaic module is improved, the output power of the photovoltaic assembly is improved, light cannot be absorbed or transmitted by the back panel, the back panel is prevented from absorbing sunlight to cause temperature rising, and the service lifetime of the photovoltaic module is prolonged.

Disclosed is an optical information analysis device that enables an increase in the sensitivity to transmitted light that is received and the acquisition of consistent optical information for specimens by being provided with a light receiving unit for receiving transmitted light in a position facing an irradiation unit and by relatively adjusting the position of the flow of samples with respect to a measurement region within the flow channel. Also disclosed is an optical information analysis method. The optical information analysis device (10) is equipped with an irradiation unit (30) that irradiates a specimen (S) with irradiation light (L0), a transmitted light receiving unit (50) that receives transmitted light (L1) and detects the transmitted light as a transmitted light signal (SG1), a scattered light / fluorescence receiving unit (60) that receives side-scattered light and fluorescence (L2) and detects the side-scattered light and fluorescence as a scattered light / fluorescence signal (SG2), a nozzle position adjustment mechanism (80) that adjusts the position of the tip (15a) of an introduction nozzle (15) to match the transmitted light receiving unit (50) and the irradiation unit (30), and an analysis unit (90) that measures the optical information of the specimen (S) on the basis of the detected transmitted light signal (SG1) and scattered light / fluorescence signal (SG2) and analyzes the specimen (S).

A light detection and ranging (“lidar”) sensing device including a sensing light source unit configured to radiate sensing light, a scanner unit configured to reflect the sensing light radiated by the sensing light source unit toward a target and to reflect incident light reflected by the target and integrated with the sensing light source unit, a light-receiving lens configured to transmit the incident light reflected by the scanner unit, a light-receiving reflector configured to reflect the incident light passing through the light-receiving lens, and an optical detection unit on which the incident light reflected by the light-receiving reflector is incident.

The invention belongs to the technical field of roads. The invention relates to a signal lamp, in particular to a lifting signal lamp with a retractable photovoltaic panel, and aims at solving the problem that a temporary signal lamp with a photovoltaic panel is inconvenient to carry due to the fact that the photovoltaic panel cannot be contracted in use. According to the scheme, the signal lamp comprises a box body, idler wheels with foot brakes are installed at the two sides of the box body through bearings, box covers are hinged to the tops of the two sides of the box body, a storage grooveis formed in the top end of the box body, a lifting mechanism is fixedly installed in the storage groove, and the outer side of the lifting mechanism is sleeved with a ring sleeve. A supporting framemechanism and the photovoltaic panel are unfolded and fixed through the limiting mechanism, the inclination angle between the photovoltaic panel and the top of the box body is adjusted through the adjusting mechanism so that the optimal light energy conversion effect can be achieved, when the signal lamp serves as a temporary signal lamp in the intersection serves, the service life of the signallamp is prolonged, and the signal lamp is stored after being used and is convenient to move.

The invention provides a solar cell having high light-receiving efficiency and power generation efficiency per unit area. A solar cell includes a first conductivity-type semiconductor layer (1), a second conductivity-type semiconductor layer (2), a first electrode, and a second electrode. The first conductivity-type semiconductor layer (1) has a front side intended to serve as a light-receiving surface. The second conductivity-type semiconductor layer (2) is disposed on a back side of the first conductivity-type semiconductor layer, forming a p-n junction together with the first conductivity-type semiconductor layer. The first electrode (3) passes through the second conductivity-type semiconductor layer (2) toward the first conductivity-type semiconductor layer (1) with a tip extending into and ending within the first conductivity-type semiconductor layer. The second electrode (4)is disposed at a back side of the solar cell.

The embodiment of the invention provides a light reception method, device and system. The light reception device is of a slab structure, comprising a through area adopting light transmission materials. One side surface, used for receiving light signals, of the through area is provided with a plurality of V-shaped grooves. The plurality of V-shaped grooves are arranged to form at least two concentric circles. The opening direction of each V-shaped groove faces towards an incident direction of the light signals, and the surface, facing the incident direction, of each V-shaped groove employs a micro-nano optical structure. The through area is used for receiving the light signal through the side surface, and carries out focusing of the light signals through utilization of the plurality of V-shaped grooves. Evidently, the light reception device can receive the incident light signals in a certain angle scope through utilization of the plurality of V-shaped grooves. Compared with a convex lens, the light reception device enlarges the light reception angle. Furthermore, the surface, facing the incident direction, of each V-shaped groove employs the micro-nano optical structure, so that loss of luminous energy can be reduced and the light reception efficiency can be raised.

An imaging device includes a photoelectric conversion region that converts incident light into electric charge. The imaging device includes a first readout circuit coupled to the photoelectric conversion region at a first location, and a second readout circuit including a portion coupled to the photoelectric conversion region at a second location. The second readout circuit is configured to control the first readout circuit. The first location and the second location are on a same side of the photoelectric conversion region.

The invention discloses a thermopile sensor integrated with a CMOS circuit in the technical field of sensors, which comprises a tube socket, a tube cap, a photosensitive element, a pin, an optical filter and a light-transmitting groove, and is characterized in that the photosensitive element comprises a substrate, an insulating layer, thermocouple layers, a heat-conducting layer and a supporting part, the insulating layer is arranged on the substrate, the thermocouple layers are symmetrically arranged on the upper surface of the insulating layer along the center line of the insulating layer, a gap is formed between the end parts of the thermocouple layers on the two opposite sides of the insulating layer, and a heat conduction groove is formed in the insulating layer. The heat conduction layer can be supported by arranging the supporting part, a thermocouple can be timely cooled by arranging the heat conduction groove, the light receiving range of the optical filter can be enlarged by arranging a light gathering cover, the light receiving efficiency of the photosensitive element can be improved, the angle of the optical filter can be adjusted by arranging the driving unit to drive the clamping seat to turn over up and down, therefore, the light refraction angle of the optical filter is adjusted, and the light receiving precision of the photosensitive element is improved.

The invention provides a trimming method for an improved main trunk tree suitable for mountain peach planting. The trimming method is characterized in that trunk heading is performed in a sapling state (tree age equal to or less than 2 years), branches on the main trunk except for main branches are cut, the main branches can grow naturally till the length of the main trunk exceeds 1 m, then, side branches on the main branches are thinned every one branch, and long fruit branches are utilized for fruiting. After harvesting of peaches in season, the long fruit branches which fruit for the first time are thinned, and after 2-3 years of fruiting, the side branches on the main branches are thinned or retracted to replace the fruit branches. According to the trimming method, the problems of low yield and low fruit quality of other tree forms in the early stage can be effectively prevented, the trimming method is simple and easy to operate, plants can be reasonably and closely planted, early fruiting can be realized, and high yield can be achieved.

A light measurement device for measuring light from an observation object, the light measurement device being characterized by being provided with: an imaging lens for transmitting the light and forming a primary image; and a lens array for dispersion, which is disposed downstream of the imaging lens in the direction of travel of the light, and which is formed by arranging a plurality of lenses for dispersion in an array, and which disperses the light having formed the primary image into a plurality of spots after passing through each of the lenses for dispersion. And converting the primary image into a secondary image formed by the plurality of discrete light spots. And a light-receiving element array which is disposed downstream of the discrete lens array in the direction of travel of light and in which a plurality of light-receiving elements are disposed in an array corresponding to the discrete lens array, and in which each of the discrete light spots is received by a light-receiving unit of each of the light-receiving elements.

The invention discloses an optical fiber high-speed wiredrawing ultraviolet curing device. The device comprises a supporting mechanism for supporting; the device further comprises a sealed conveying mechanism used for sealed conveying, a curing mechanism used for curing, and an air source mechanism used for providing an air source; the sealed conveying mechanism is arranged on the inner side of the supporting mechanism; the lower end of the sealed conveying mechanism is connected with the air source mechanism; the curing mechanism is arranged on the sealed conveying mechanism; the feeding endand discharging end of the sealed conveying mechanism are connected with dustproof mechanisms; the sealed conveying mechanism and the air source mechanism are connected through a connecting mechanism.According to the device of the invention, the double lamps and the circular reflector of the curing mechanism are matched with each other, so that the light receiving efficiency of an optical fiber can be improved, and therefore, a curing effect can be improved; through cooperation of the sealed conveying mechanism, the air source mechanism and the connecting mechanism, it can be guaranteed thatinternal waste gas can be replaced in time, a condition that external dust is brought in by external air due to rapid flowing of the internal air can be avoided, pollution is prevented, and the curingeffect is guaranteed.

A LiDAR sensing device may include: a sensing light source unit configured to radiate sensing light; a light transmitting reflector configured to reflect the sensing light radiated from the sensing light source unit; a scanner unit configured to reflect the sensing light reflected from the light transmitting reflector into a target, and to reflect incident light reflected from the target; a light receiving lens configured to pass the incident light reflected from the scanner unit, and integrated with the light transmitting reflector; a light receiving reflector configured to reflect the incident light passing through the light receiving lens; and an optical detecting unit into which the incident light reflected from the light receiving reflector is incident.

The invention discloses a photovoltaic power generation device with a component easy installation structure and relates to the technical field of photovoltaic power generation. The photovoltaic power generation device comprises an installation structure plate, wherein the top of the installation structure plate is fixedly provided with a photovoltaic panel body, the bottom of the installation structure plate is provided with an angle adjusting mechanism, and an outer wall of the installation structure plate is provided with a connecting mechanism; and a water sprinkling mechanism is arranged at the top of the mounting structure plate. Through the design of rotating a limiting rod and a booster spring, after the limiting rod rotates, the limiting rod can be popped out of the bottom of the mounting structure plate, the booster spring can be conveniently taken out, then under the action of elasticity of a clamping spring, a fixing mechanism is popped out, the left side of the fixing mechanism is inserted into a connecting groove, and then a fixed rotating wheel is rotated; and clamping blocks are promoted to be clamped in the corresponding groove holes, so the splicing work of the mounting structure plates is completed, and a problem that an existing device is strenuous to mount is solved.