8results about How to "Convenient inclination" patented technology

The invention discloses a floating photovoltaic electrical connection wiring method and system, and relates to the technical field of photovoltaic power generation system design, and the method comprises the steps: analyzing the power generation influence factors of a floating photovoltaic power station, and predicting the power generation amounts of different time periods or different regions according to the power generation influence factors; according to the floating photovoltaic power station and the generating capacity of the different areas, path planning is carried out, and constraint conditions are set; and determining a trunk line and a connection point according to the path planning result and the generating capacity, and completing electrical connection wiring. The improved A * algorithm is used for path planning, a multi-objective optimization method is adopted, multiple objectives such as the path length, the electric energy loss and the construction difficulty are balanced, constraint conditions such as the maximum bearing current and the voltage drop range of the cable are considered, and system operation safety is ensured. The achievement of the invention is supported by national key research and development plan projects, and the project name is offshore floating photovoltaic power generation key technology and core component research and development and engineering demonstration (project number: 2022YFB4200700).

The invention relates to the technical field of semiconductor photoelectric devices, and provides an infrared detector chip, which comprises a substrate and an epitaxial structure grown on the substrate, the epitaxial structure comprises a mesa layer, the outer wall of the partial structure of the mesa layer far away from the substrate is covered with a first passivation layer, and the outer wall of the partial structure of the mesa layer far away from the substrate is covered with a second passivation layer. And a second passivation layer covers the outer wall of the other part, close to the substrate, of the mesa layer. The invention also provides a preparation method of the infrared detector chip. Compared with the traditional mode of adopting one passivation layer, the mode of adopting multiple passivation layers can effectively improve the depth and gradient of the passivation side wall and improve the growth uniformity of the passivation layers.

The invention belongs to the technical field of artificial floating islands, and particularly relates to an artificial floating island for nesting of common swallow gull. Comprising a cystosepiment, the bottom of the cystosepiment is fixedly connected with a bamboo pole, and circular grooves are formed in the positions, located at the four corners of the cystosepiment, of the bamboo pole; the artificial floating island for nesting of the common swallow gull further comprises a buoyancy control unit. A plurality of buoyancy control units are evenly arranged on the periphery of a foam board, a first air bag is arranged on each buoyancy control unit, and each buoyancy control unit changes the buoyancy of the foam board by changing whether the first air bag expands or not; therefore, the draft of the floating island is changed and the inclination of the floating island is adjusted; and the sinking and inclination risks of the floating island are reduced.

The application belongs to the technical field of building integrated photovoltaics, and discloses a building photovoltaic integrated space deployment method under the double constraints of vision and performance. The application uses grid division and target point selection technology to screen photovoltaic deployment building surfaces. This method can make the layout of photovoltaic components more scientific and reasonable, avoid the problem of improper building surface selection caused by only relying on illumination conditions or simple experience judgment in traditional methods, and ensure that the photovoltaic system can maximize the reception of solar energy. At the same time, a dynamic shadow blocking calculation method is adopted, the blocking effect of the surrounding environment is considered, and the photovoltaic potential of the building surface is fully evaluated and tapped. Through a multi-objective optimization method, the power generation performance and visual impact of the photovoltaic system are comprehensively considered to find the best balance point. This not only guarantees the efficient operation of the photovoltaic system, but also reduces its negative impact on the visual environment, and improves the scientificity and practicality of the installation scheme.

The invention belongs to the technical field of music equipment, and discloses a DSP miniature sound console of a mobile pull rod sound box, the DSP miniature sound console comprises a DSP miniature sound console, a U-shaped base assembled outside the DSP miniature sound console, and a limiting mechanism assembled on one side of the DSP miniature sound console, and the bottom of the DSP miniature sound console is provided with an adjusting mechanism. Fixed columns are fixedly connected to the two sides of the DSP miniature sound console, notches for the fixed columns to move are formed in the two sides of the U-shaped base, and the limiting mechanism comprises a fixed block fixedly connected to one side of the DSP miniature sound console, a through hole penetrating through the two ends of the fixed block and two movable columns slidably connected to the interior of the through hole; through cooperation of the U-shaped base and the limiting mechanism, when the DSP miniature sound console is idle, an operation panel of the DSP miniature sound console can be hidden by overturning the equipment, so that dust accumulation is reduced, and the risk that keys on the operation panel are damaged due to collision is reduced.

The utility model discloses a rubber strip multi-angle cutting device which comprises a workbench, the outer wall of the workbench is fixedly connected with a bearing support, the interior of the bearing support is rotatably connected with a sleeve, the outer wall of the sleeve is fixedly connected with a rotating disc, the rotating disc is internally in threaded connection with a threaded pin, the sleeve is internally sleeved with a telescopic piece, and the telescopic piece is fixedly connected with the bearing support. And the bottom of the telescopic piece is fixedly connected with a cutter. According to the multi-angle cutting device for the adhesive tape, the bearing support, the sleeve, the rotary disc, the threaded pin, the telescopic piece, the cutter, the positioning pin and the like are used in cooperation, the sleeve is rotated through a bearing in the bearing support to drive the rotary disc to rotate, and then the telescopic piece in the sleeve drives the cutter to incline relative to the workbench; and the included angle between the cutter and the adhesive tape can be adjusted by rotating the turntable, so that the section of the cut adhesive tape is inclined.

The present application belongs to the technical field of artificial floating island, and particularly relates to an artificial floating island for common tern nesting; the artificial floating island for common tern nesting comprises a foam board, a bamboo pole is fixedly connected to the bottom of the foam board, and a circular groove is formed in the bamboo pole and located at the corner of the foam board; the artificial floating island for common tern nesting further comprises a buoyancy control unit; the present application is characterized in that a plurality of buoyancy control units are uniformly arranged around the foam board, each buoyancy control unit is provided with a No. 1 air bag, the buoyancy of the foam board is changed by changing whether the No. 1 air bag is inflated or not, so as to change the draft of the floating island and adjust the inclination of the floating island, and the risk of sinking and tilting of the floating island is reduced.

The invention provides a reservoir area floating type photovoltaic array anchoring system coupled with ecological water purification. The reservoir area floating type photovoltaic array anchoring system comprises floating type photovoltaic array units, a net-shaped main cable system, a multifunctional ecological anchor chain unit and multiple demersal fixing devices. The floating photovoltaic array unit is arranged on the water surface of a reservoir and serves as a power generation main body of the system; the net-shaped main cable system is connected below the floating photovoltaic array units to form a flexible connection and global load transmission network; the upper end of the multifunctional ecological anchor chain unit is connected to the net-shaped main cable system, and the multifunctional ecological anchor chain unit is internally integrated with a porous columnar carrier and is filled with a slow-release ecological mineral material; the benthic fixing device provides final anchoring force for the system. According to the invention, an anchoring solution which is high in reliability and adapts to a complex hydrodynamic environment is provided for floating photovoltaic in a reservoir area, multifunctional coupling of photovoltaic power generation, efficient utilization of a water surface space and ecological purification of a reservoir water body is synchronously realized, and comprehensive benefits and environmental friendliness of the system are remarkably improved.