31results about How to "Improve light energy conversion rate" patented technology

The invention discloses a waterproof solar street lamp with a high light energy conversion rate. The waterproof solar street lamp comprises a vertical column. A street lamp body and a solar cell panel are arranged on the two sides of the top of the vertical column respectively. The solar cell panel is connected with a cell box of the street lamp body. The waterproof solar street lamp further comprises a bracket, a cover plate, a humidity sensor and a rotary adjusting mechanism. The cover plate is connected with the rotary adjusting mechanism. The bracket is fixed to the vertical column. The solar cell panel is mounted on the bracket. A reflector is further arranged on one side of the cover plate. The cover plate has a reflection position and a covering position. The humidity sensor is mounted on the back face of the solar cell panel. In addition, the humidity sensor and a rain wiper are connected with an internal controller. According to the waterproof solar street lamp, the light energy conversion rate is increased, and the waterproof solar street lamp is protected against damage or electric leakage caused by direct impact of rainwater.

The invention provides a domestic photovoltaic device, and relates to the field of photovoltaic equipment. The domestic photovoltaic device comprises a connecting base, wherein the bottom of the connecting base is fixedly connected with a mounting base; a cavity is formed in the interior of the mounting base; the interior of the connecting base is provided with a vertical rod in an inserted manner; the bottom of the vertical rod extends to the lower part of the connecting base; the bottom of the vertical rod is fixedly connected with a limiting disc; the top of the vertical rod is fixedly connected with a rotary disc; and the top of the rotary disc is articulated with a mounting frame plate through a connecting block. According to the adjustable domestic photovoltaic device, the device isprovided with an articulating base, a limiting plate, an adjusting sleeve, a vertical groove, a supporting rod, inserting grooves, second base plates, first base plates and a supporting base, the articulating base is used for guiding the mounting frame plate and an adjusting piece to perform rotation and perform the adjustment of photovoltaic piece inclination angle, the first base plates and thesecond base plates are added layer by layer, and the fixation of raising is carried out through the clamping connection of first fixed blocks, a second fixed block and the inserting grooves, so that the adjusting sleeve is raised along the supporting rod.

The present invention relates to the technical field of optical fiber energy transmission, a method for tracking the maximum power point of optical fiber energy transmission, comprising a transmitting end 1, an energy transmitting optical fiber link 2, and a receiving end 3, wherein the transmitting end 1 includes an FPGA programmable control module 4, a laser Transmitting module 5, optical fiber detector 6, energy transmission optical fiber link 2 is optical fiber 7, receiving end 3 includes photovoltaic cell 9, photoelectric detection circuit module 10, load transient response circuit module 11, FPGA programmable control module 4 detects laser emission Whether the laser emitted by the module 5 satisfies the set frequency and power, if not, adjust it, the electricity emitted by the photovoltaic cell 9 is detected by the photoelectric detection circuit module 10 and then connected to the load transient response circuit module 11, by adjusting the load transient response The energy storage device connected in parallel with the load in the circuit module 11 switches between the constant voltage output mode and the constant current output mode, so that the photovoltaic cell 9 is always at the maximum power output.

The invention provides a GZG-HT photovoltaic automatic tracking system. The system comprises a controller, one set of sensors and multiple sets of driving devices, and the controller is provided with the sensors and controls motion of the driving devices simultaneously; the system further comprises transmission devices arranged above the corresponding driving devices and multiple independent photovoltaic tracking subsystems. According to the GZG-HT photovoltaic automatic tracking system, photovoltaic modules automatically rotate and track sunlight in the latitudinal direction and are manually adjusted according to season changes in the longitudinal direction, the single controller is connected to the peripheral photovoltaic tracking subsystems simultaneously in a controlling mode, and linkage control is achieved. Meanwhile, an agriculture and light complementary photovoltaic power generation mode achieving photovoltaic power generation on the upper portion and agricultural planting on the lower portion is established, power generation units achieve bidirectional tracking in the latitudinal direction and the longitudinal direction, and large-scale cultivation of crops under frames is achieved. Compared with a traditional fixing mode, by means of the photovoltaic power generation mode, the light energy transforming rate and crop yield can be greatly increased, multiple purposes of one field are achieved, the income of farmers is increased, the benefits of enterprises are increased, the tax income of the government is increased, and the benefit of environment is increased.

The invention discloses a synthesis method of trimethylboron, and belongs to the technical field of organic chemical synthesis. The synthesis method comprises the following steps: A, synthesizing: adding a catalyst and boric acid into a reaction kettle under the protection of inert gas, inflating chloromethane at the pressure of -0.04Mpa to -0.06Mpa and the temperature of -60 DEG C to -40 DEG C, and then reacting for 1-2h at the temperature of -40 DEG C to -20 DEG C; B, adsorbing: passing gas synthesized in the step A through an adsorption column at the adsorption temperature of -15 DEG C to 0DEG C, and then collecting gas left after adsorption of the adsorption column by using a collection tank to obtain the trimethylboron. The synthesis method invention has the advantages of simpleness,high purity and yield of the trimethylboron and low cost.

The invention provides a domestic photovoltaic device, and relates to the field of photovoltaic equipment. The domestic photovoltaic device comprises a connecting base, wherein the bottom of the connecting base is fixedly connected with a mounting base; a cavity is formed in the interior of the mounting base; the interior of the connecting base is provided with a vertical rod in an inserted manner; the bottom of the vertical rod extends to the lower part of the connecting base; the bottom of the vertical rod is fixedly connected with a limiting disc; the top of the vertical rod is fixedly connected with a rotary disc; and the top of the rotary disc is articulated with a mounting frame plate through a connecting block. According to the adjustable domestic photovoltaic device, the device isprovided with an articulating base, a limiting plate, an adjusting sleeve, a vertical groove, a supporting rod, inserting grooves, second base plates, first base plates and a supporting base, the articulating base is used for guiding the mounting frame plate and an adjusting piece to perform rotation and perform the adjustment of photovoltaic piece inclination angle, the first base plates and thesecond base plates are added layer by layer, and the fixation of raising is carried out through the clamping connection of first fixed blocks, a second fixed block and the inserting grooves, so that the adjusting sleeve is raised along the supporting rod.

The invention relates to a welding system, in particular to a universal flower basket welding system compatible with various flower basket shapes and sizes. The universal flower basket welding systemcomprises a bottom plate, a heating point base, a heating point, a toothed bar bottom plate, a toothed bar base plate group, a toothed bar guide block, a side toothed bar group, toothed bar positioning blocks and a hot melting mechanism. The bottom plate is in sliding fit with a heating point adjusting seat, the heating point is arranged on the heating point base, the toothed bar base plate groupis mounted on the toothed bar bottom plate and comprises a first toothed bar base plate, a second toothed bar base plate, a third toothed bar base plate and a fourth toothed bar base plate, the firsttoothed bar base plate is connected with the third toothed bar base plate through the toothed bar guide block, the toothed bar positioning blocks are mounted on the first toothed bar base plate, the second toothed bar base plate, the third toothed bar base plate and the fourth toothed bar base plate in a sliding fit manner, the side toothed bar group comprises a first side toothed bar and a secondside toothed bar, and the first side toothed bar penetrates the toothed bar positioning blocks on the first toothed bar base plate and the second toothed bar base plate.

The invention discloses fresh water chlorella showing heterotrophic growth characteristics with high-concentration CO2. The fresh water chlorella is classified and named as Chlorella sorokiniana, the bacterial strain number is CS-1, the culture preservation register number is CGMCC No. 9215, and the preservation date is May 5, 2014. The invention further discloses the application of the chlorella in grease production. The application can efficiently keep high-concentration CO2 constant in exhaust gas environment, the production cost of the microalgae grease is thus reduced, and superior production algae is provided for biodiesel preparation. The light energy conversion rate of the cells of the chlorella is increased and is close to the chemical energy conversion rate when the high-concentration CO2 serves as a substrate, the cells show part of heterotrophic growth characteristics, and namely, when the high-concentration CO2 is fed into the cells, the specific growth rate, the grease synthesis rate and the energy utilization efficiency of the chlorella are obviously increased and are close to those of the chlorella under the heterotrophic culture condition.

A solar power generation device with a protective function disclosed by the present invention comprises a cylinder, the cylinder is fixedly installed on the ground, a rotating groove is arranged in the cylinder, a fixed gear is fixed in the lower end wall of the rotating groove, and the A corner device is rotatably installed in the turning groove, and the corner device includes a corner block, and the upper end of the corner block is fixed with a mounting block, and a solar panel is installed in the mounting block. The installation angle of the solar panel of the present invention can be adjusted according to the sun. The angle of light irradiation is adjusted to improve the light energy conversion rate, and there are two mirrors on the left and right in the device. The interaction of the mirrors makes the sunlight gather on the solar panel, which can improve the light energy absorption of the solar panel. Secondly, The rotation of the protective plate can adjust the angle of the reflector to increase the concentration of light, and the protective plate can wrap the solar panel in bad weather to protect the solar panel and prolong the service life of the solar panel.

The invention provides an adjustable household photovoltaic device, and relates to the field of photovoltaic equipment. The adjustable household photovoltaic device comprises a connecting base, wherein a mounting base is fixedly connected to the bottom of the connecting base; a cavity is formed in the mounting base; a vertical rod is inserted into the connecting base; the bottom end of the vertical rod extends to the lower part of the connecting base; the bottom end of the vertical rod is fixedly connected with a limiting disc; the top end of the vertical rod is fixedly connected with a rotating disc; and the top end of the rotating disc is hinged to a mounting frame plate through a connecting block. The adjustable household photovoltaic device is provided with a hinge base, a limiting plate, an adjusting sleeve, a vertical groove, a supporting rod, an inserting groove, a second base plate, a first base plate and a supporting base, and the hinge base guides the mounting frame plate andthe adjusting piece to rotate, and the inclination angle of the photovoltaic piece is adjusted; the first base plate and the second base plate are additionally arranged layer by layer, and a first fixed block, a second fixed block and the inserting groove are clamped to realize fixation in a heightening mode, so that the adjusting sleeve is lifted along the supporting rod.