10results about How to "Improve light energy conversion efficiency" patented technology

The utility model provides a photosynthetic bacterium fermentation tank capable of intelligently regulating and controlling illumination intensity, which comprises a tank body, the tank body is also provided with a feed port, an inoculation port, a carbon dioxide electrode, a temperature and photometric electrode, a gas inlet pipe, a gas outlet pipe, an illumination device, a detection device and a stirring device, the illumination device is composed of a plurality of layers of annular LED lamp ring sets, each annular LED lamp ring set comprises a glass tube, an LED lamp set, a support, a built-in fixing plate and a chip circuit, and the illumination intensity of the illumination device is divided into a first level, a second level and a third level. More uniform and three-dimensional illumination conditions are provided for the photosynthetic bacteria, so that the utilization efficiency of light energy and the photosynthesis efficiency of the bacteria are remarkably improved.

The utility model relates to a portable thunder and lightning early warning device, and effectively solves the problems that some thunder and lightning early warning devices do not have a good protection function, are inconvenient to carry by outdoor maneuvering operators, can not be quickly installed and stored on site, and can not stably run for a long time. According to the portable thunder and lightning early warning device, the whole device can be conveniently adjusted into a box body which is convenient to carry and store, the atmospheric electric field instrument body and the photovoltaic module can be well protected, meanwhile, a user can conveniently carry and store the device, and the light energy conversion efficiency of the photovoltaic module can be improved; the device can quickly store more electric energy so as to ensure long-time normal operation of the device, meanwhile, the contact area of the ground can be increased, the atmospheric electric field instrument body above is more stable, the lead screw transmission mechanism and the connecting assembly can be driven to drive the atmospheric electric field instrument body to be supported or retracted by pulling out or retracting the expansion plate, the overall operation is simple, and the practicability is high. And outdoor maneuvering operators can conveniently and quickly use and fold the device on site.

This utility model discloses a support system for extending power generation by staggering peak hours of floating photovoltaic power generation at sea, belonging to the field of photovoltaic power generation technology. It includes a float with multiple columns fixedly connected side-by-side on both sides, each column having a hinged inclined beam at its upper end; multiple adjustment mechanisms corresponding to the inclined beams, used to adjust the rotation angle of the inclined beams relative to the columns and maintain a fixed position at a specific angle; multiple purlins arranged parallel to the column arrangement direction and symmetrically fixed to the inclined beams on both sides of the float; and two sets of photovoltaic modules, respectively fixedly installed on the purlins on both sides of the float, facing due east and due west respectively, with their tilt angle changing with the tilt angle of the inclined beams. This utility model can extend power generation time by staggering peak power generation through symmetrical east-west arrangement. Simultaneously, the change in azimuth angle reduces the shadow distance between the front and rear modules, reducing the size of the float and lowering relative costs. Furthermore, the maximum power can be tracked in real time by adjusting the angle, improving power generation efficiency and float area utilization.

The present invention discloses a solar street light capable of controlling the change of light source, and specifically relates to the technical field of solar street lights, including a base, a lighting assembly is arranged on the top of the base, and the lighting assembly includes a telescopic lamp pole arranged on one side of the top of the base, the telescopic lamp pole is designed as a telescopic structure, and the bottom of the telescopic lamp pole is detachably connected to the base by bolts, and a support plate is arranged on the top of the telescopic lamp pole. The present invention drives the lever to adjust the angle when the second connecting member is deflected, thereby realizing the function of adjusting the angle of the irradiation lamp and the solar photovoltaic component, and then realizing the function of adjusting the irradiation angle of the irradiation lamp, avoiding the shadow of the device when in use, and facilitating the light to fully irradiate the solar photovoltaic component, so as to improve the light energy conversion efficiency of the device, and the outer side of the transparent plate rubs against the limit ring, so as to clean the impurities adhering to the transparent plate, and avoid the impurities from being coated on the transparent plate and affecting the conversion effect and efficiency of the light irradiated on the solar photovoltaic component.

The invention provides a self-powered geological disaster monitoring device which comprises a cabinet, the side wall of the cabinet is rotatably connected with a solar panel, and a light sensor is arranged in the solar panel; a solar light following module, a battery module and a disaster monitoring module are arranged in the cabinet, and the battery module is used for storing photovoltaic converted electric energy and supplying power to each module; the solar light following module comprises a control board card and a driving mechanism, the control board card is electrically connected with the light sensor and the driving mechanism, and the driving mechanism is used for adjusting the orientation of the solar panel; the control board card is configured to control the driving mechanism to move according to the incident angle of sunlight when the illumination intensity is greater than a preset threshold value; when the illumination intensity is smaller than a preset threshold value, the theoretical incident angle of sunlight is calculated through an astronomical algorithm, and the driving mechanism is controlled to move according to the theoretical incident angle. According to the invention, long-term stable self-power supply of the device in a field environment without a power grid is realized.

The invention discloses a photovoltaic power generation device and a photovoltaic system, and relates to the technical field of photovoltaic power generation, the photovoltaic power generation device comprises a photovoltaic power generation device main body of a rectangular frame structure, and the outer wall of one side of the photovoltaic power generation device main body is provided with a photovoltaic assembly used for directly converting solar energy into electric energy. An inverter for converting direct-current electric energy generated by the photovoltaic power generation device body into alternating-current electric energy is arranged on the outer wall of the top end of one side of the photovoltaic power generation device body, a cold cleaning mechanism is arranged on the side, close to the photovoltaic assembly, of the photovoltaic power generation device body, and an irrigation mechanism is arranged on the side, away from the photovoltaic assembly, of the photovoltaic power generation device body; shading mechanisms are arranged on the two sides of the photovoltaic module, an active inserting mechanism is arranged on the rear side of the orientation frame, a water storage tank, a guide pipe, a wiping plate and a rotating rod are matched with one another, a cold cleaning mechanism can effectively remove dust, dirt and other impurities accumulated on the plate face, and therefore the clean state of the plate face is kept.

The invention relates to the technical field of protection devices, and discloses a novel energy storage energy conversion protection device which comprises a base, the middle of the lower end face of the base is rotationally connected with a double-way belt pulley through a rotating shaft, and the left side of the double-way belt pulley is in transmission connection with a first belt pulley through a first belt. The right side of the double-way belt pulley is in transmission connection with a second belt pulley through a second belt, the lower end face of the double-way belt pulley is fixedly connected with a transmission worm gear, the right side of the transmission worm gear is in meshed connection with a transmission worm, and the front end face of the transmission worm is fixedly connected with a first gear through a rotating shaft; and the left side of the first gear is in engaged connection with a second gear. According to the invention, through the cooperation of the transmission worm and the transmission worm gear, the height and angle of the photovoltaic overturning plate can be adjusted, the photovoltaic overturning plate can be stored and the slope angle of the overturning plate can be reduced under the condition of severe weather, and the service life of the photovoltaic overturning plate is greatly prolonged.

The invention relates to the technical field of traffic supervision, and discloses a mobile traffic infrastructure intelligent supervision device, which comprises two outer frame bodies, and the opening ends of the two outer frame bodies are oppositely arranged; the two camera monitoring devices are respectively mounted on the top surfaces of the two outer frame bodies; the connecting seat is fixed between the two outer frame bodies, and the two outer frame bodies and the connecting seat jointly form a U-shaped structure; the two photovoltaic panels are respectively mounted on the side surfaces of the two outer frame bodies; the two moving trolleys are installed on the bottom faces of the two outer frame bodies correspondingly and used for driving the two outer frame bodies to move. By adopting the mobile design, the two camera monitoring devices of the device can cover a road infrastructure area wider than a traditional fixed monitoring mode, so that the flexibility not only improves the monitoring efficiency, but also ensures that each corner of the road infrastructure can be effectively monitored in time.

The application relates to a perovskite laminated solar cell. The perovskite laminated solar cell comprises a crystalline silicon cell and at least one perovskite cell, each perovskite cell comprising a first transparent electrode, a buffer layer, a first carrier transport layer, a perovskite layer, a second carrier transport layer and conductive glass which are sequentially arranged from top to bottom; each perovskite cell further comprises at least one metal grid line which extends on the first transparent electrode in the horizontal direction; the crystalline silicon cell comprises at least one metal main grid which is arranged at the top and / or bottom of the crystalline silicon cell and extends in the horizontal direction; the metal grid line and the metal main grid have the same extending direction; the number of the at least one metal grid line is the same as that of the at least one metal main grid, and the at least one metal grid line is arranged above the at least one metal main grid one by one. The perovskite laminated solar cell improves the light energy conversion efficiency of the four-terminal laminated cell.

The utility model relates to the technical field of photovoltaic supports, and discloses a multi-angle adjustable ground pile for a photovoltaic support, which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is positioned below the main body mechanism, and the main body mechanism comprises a support mounting plate, a solar power generation panel, a movable extension rod, a movable bearing and a fixed rod. The solar power generation panel is movably installed at the upper end of the support installation plate, the movable extension rod is movably installed at the upper end of the support installation plate, the movable bearing is movably installed at the upper end of the movable extension rod, and an inner shaft and an outer shaft of the movable bearing are connected with the movable extension rod and the solar power generation panel respectively. According to the multi-angle adjustable ground pile for the photovoltaic support, a second transmission gear rotates through a driving motor, and the angle of a solar power generation panel is changed through transmission of a first transmission gear, so that the solar power generation panel can be always under direct irradiation of sunlight, and the light energy conversion efficiency is higher; the device may be electrically stored.