56results about How to "Reduce hot spot effect" patented technology

A method (and apparatus) for executing a main program having a series of machine-executable instructions in one of a program binary representation and an object code representation, including establishing a first pipeline for executing the main program and establishing a second pipeline for executing a meta-program to at least one of fetch and store meta-program information of the executing of the main program and a result of an analysis of the executing the main program. The program binary representation or object code representation of the main program is not modified by establishing the second pipeline or by executing the meta-program.

The invention discloses a half-slice photovoltaic component circuit, wherein the half-slice photovoltaic component circuit includes multiple sets of battery string units, each adjacent two sets of battery string units are connected in series through a first bus bar, and each set of battery string units The two ends of the two ends are respectively connected in parallel with a diode through the second bus bar. Each battery string unit includes two battery strings connected in parallel, and each battery string includes a plurality of batteries connected in series. The first battery string unit in the plurality of battery string units The first end of the battery string unit in one group is formed as the positive pole of the half-slice photovoltaic module circuit, and the tail end of the last group of battery string units in multiple groups of the battery string unit is formed as the half-slice photovoltaic module circuit the negative pole. The invention also discloses a half-slice photovoltaic module. When the half-slice photovoltaic component circuit provided by the present invention is applied to the photovoltaic component, it not only solves the hot spot effect, but also facilitates welding operation and mass production.

The invention discloses a method for manufacturing a parallel-series thin film battery pack. The method mainly comprises the steps of separating out two or more sub batteries on a TCO (Transparent Conductive Oxide) conductive glass by a laser reticle, connecting the sub batteries in parallel by using a drainage strip, and then connecting the sub batteries in series by using a bus bar to manufacture the thin film battery pack. By adopting the method, the problems caused by film layer difference and series connection of the sub batteries are solved in sufficient consideration of poor uniformity of film layers after large-area coating and in combination with the characteristics of a parallel circuit; and a plurality of sub battery blocks connected in parallel can also be manufactured according to process requirements, and the parallel sub battery blocks are connected in series to form a parallel and series connection mode, so that the performance of batteries is improved. By adopting the manufacturing method, the later process and the series connection mode are identical and thus do not have difference on cost, and the most importantly, inevitable problems in production are solved, so the manufacturing method has a wide application prospect.

The invention discloses a preparation method of a series-parallel thin film battery assembly. The method is mainly characterized in that a piece of TCO conductive glass is equally divided into two parts, which are the same in area, through a laser etching line, wherein the two parts are a series conductive portion and a parallel conductive portion, the series conductive portion is used for carrying out laser scribing on series sub-batteries, the parallel conductive portion is used for carrying out laser scribing on parallel sub-batteries, the series sub-batteries and the parallel sub-batteries are respectively connected by using a drainage strip and a bus bar, and then the series conductive portion and the parallel conductive portion are connected so as to manufacture the required series-parallel thin film battery assembly. According to the preparation method disclosed by the invention, a defect that the film uniformity is poor after large-area film plating is considered, characteristics of a series circuit and a parallel circuit are combined, and problems brought about by film difference and series connection of the sub-batteries are solved. Optimization for electrical parameters is carried out in allusion to a characteristic of high voltage or high current in the electrical parameters of a thin film battery, thereby avoiding influences imposed on such factors as inverter model selection and power station design in power station construction in a later period.

The invention relates to a thin-film solar cell having a colored pattern. The thin-film solar cell having the colored pattern comprises a solar film unit, a front protective layer, at least one colored pattern and a back protective layer; the solar film unit comprises a light receiving surface and a backlight surface; the front protective layer is arranged on the light receiving surface, and comprises an inside surface adjacent to the light receiving surface, an outside surface and a micro-structure unit formed on the outside surface; the colored pattern is formed on the inside surface of thefront protective layer, and comprises multiple micro-color points having at least one color; the back protective layer is arranged on the backlight surface of the solar film unit; when irradiating each micro-color point through the micro-structure unit, incident light irradiates the light receiving surface of the solar film unit corresponding to the micro-color point through poisson spot generatedby the diffraction phenomenon; the light spreading effect is formed on the light receiving surface; the multi-color-system effect is displayed; and in addition, the shade phenomenon and the hot spoteffect also can be reduced.

The invention relates to a magnetic dustproof photovoltaic panel. The magnetic dustproof photovoltaic panel comprises a bracket and a power generation panel. The power generation panel is pie-shaped. A lower permanent magnet ring is embedded in a light receiving surface. The lower permanent magnet ring and the power generation panel are coaxially arranged. A dustproof shield is also flexibly installed above the power generation panel. The dustproof shield can freely rotate with the axis of the power generation panel acting as a rotating shaft. The cover plate of the dustproof shield is made of transparent material, and the blocking sides are made of ferromagnetic material. An upper permanent magnet ring is embedded in the cover plate. The positions of the upper permanent magnet ring and the lower permanent magnet ring exactly oppose and the same poles are repulsive. A wind fan is installed below the blocking sides, and permanent magnet sheets are equidistantly installed on the circular frame of the wind fan. According to the photovoltaic panel, pollution of dust to the photovoltaic panel can be effectively prevented, and damage of the hot spot effect to photoelectric elements can also be effectively prevented so that the service life of the photovoltaic panel can be greatly prolonged.

The invention discloses an application method for detecting a hormone in food by a joint SERS (Surface Enhanced Raman Scattering) substrate. A detection method comprises the following steps of firstly preparing n-hexanethiol modified magnetic nano silver flower; secondly, using diethylstilbestrol as an experimental subject, and investigating and researching the homogeneity, the repetitiveness and the stability of the joint SERS substrate of a Fe3O4@SiO2-Ag-C6+ sliver rod; diluting two hormones to have different concentrations respectively by using methanol water and milk, and purifying and enriching by using a SPE (Solid Phase Extraction) column; adding eluant to the SERS substrate respectively, drying, then dotting on the silver rod, carrying out raman spectrum detection, and determining a lowest detection limit. The standard addition recovery rate is 88.72 percent to 110.04 percent; the application method has a relatively high recovery rate; the requirement on the analysis of a residue of the hormone in the food can be completely met. The invention also discloses the joint SERS substrate of the Fe3O4@SiO2-Ag-C6+ silver rod, which is prepared by the method. The joint SERS substrate has abundant hotspots, and can be used for making up the loss, which is brought as C6 is adsorbed on the surface of a silver crust, of a raman signal.

The invention discloses an unmanned aerial vehicle terminal laser energy transfer method based on three-level tracking and phase modulation. An unmanned aerial vehicle terminal laser energy transfer system disclosed in the invention comprises a high-power laser, a collimating beam expander for collimating and expanding laser, a tracking galvanometer unit for coarse tuning tracking of a transmitting end, a communication module for information transmission between the transmitting end and an unmanned aerial vehicle, a polarizing film, a spatial light phase modulation diaphragm, the unmanned aerial vehicle, a terminal five-axis rotary table used for visual self-alignment and arranged on the unmanned aerial vehicle, and a photovoltaic cell array, wherein laser emitted by the high-energy laseris collimated and expanded through the collimating beam expander, and coarse adjustment tracking of the laser to the unmanned aerial vehicle is conducted through the tracking galvanometer unit; the spatial light phase modulation diaphragm is arranged at the transmitting end and is combined with real-time feedback of a light field optimization method to modulate a Gaussian light field so as to adapt to any arrangement of photovoltaic cells; the tracking galvanometer unit enables laser spots to be aligned with the photovoltaic cells; the terminal five-axis rotary table arranged on the unmanned aerial vehicle at a receiving end performs fine tuning tracking on the photovoltaic cell array to achieve an optimal receiving angle and an optimal receiving position; and the photovoltaic cell array is arranged on the terminal five-axis rotary table and is used for receiving modulated laser energy.

The invention provides a double-side photovoltaic assembly, and relates to the technical field of photovoltaic assemblies. The double-side photovoltaic assembly comprises at least one battery group, abypass diode connected with corresponding battery groove in parallel, and a shield fixed on a backboard; each battery group is composed of batteries in parallel connection, and each battery is composed of cells in serial connection; at least part of the cells shielded by the shield are shielded cells; the battery with the shielded cells is a shielded battery; and the number of the shielded cellsin each shielded battery is greater than or equivalent to 2. Via the double-side photovoltaic assembly, influence of back-side shading on the generating capacity can be reduced, result caused by a hotspot effect can be slowed, and the service life of the assembly is prolonged.

A local coil for a coil system of a magnetic resonance imaging (MRI) system having a hot spot formed during operation of the magnetic resonance imaging system provides an MRI examination that is as pleasant as possible for a patient with a magnetic field strength that is as strong as possible. The local coil includes a heat dissipation plate arranged in a region of the hot spot.

The invention relates to a hot-spot-preventing photovoltaic panel. The hot-spot-preventing photovoltaic panel comprises a bracket and a power generation panel. Bracket is installed at the lower side of the power generation panel. The light receiving surface of the power generation panel is obliquely upward in the angle of 45 degrees. A rotating shaft is fixedly installed at the center of the power generation panel. A dust board sleeves the rotating shaft. The dust board is made of high-transmittance material and the profile of the dust board is pie-shaped. The circular side of the dust board is also provided with tooth slots. The hot-spot-preventing photovoltaic panel also comprises a wind fan. Teeth engaged with the tooth slots are equidistantly arranged at the edge of the wind fan. The wind fan is rotatably installed on the bracket. The edge of the wind fan is engaged with the circular side of the dust board. According to the photovoltaic panel, the hot spot effect can be effectively eliminated so that stable working of internal photoelectric elements can be guaranteed for a long time.

The invention discloses an intelligent hot-spot resistant photovoltaic assembly, and the assembly comprises an aluminum alloy frame, a first cover plate layer, a first package layer, a battery piece layer, a second package layer, a second cover plate layer, and a junction box. The battery piece layer is provided with a plurality of power optimization chips and a diode chip, and the battery piece layer comprises a plurality of battery strings. Each battery string is formed by the series connection of a plurality of battery pieces welded through a plurality of solder strips, and the battery strings are connected with each other through convergence strips. A power optimization chip is in parallel connection with the battery strings, and the diode chip is in reverse parallel connection with the battery pieces. The diode chip is in reverse parallel connection with each battery piece, thereby completely eliminating the hot-spot effect which may happen to the assembly, and improving the reliability of the assembly. The power optimization chip is connected with each battery string, thereby eliminating the mismatching between the battery strings, and enabling the power output of the batterystrings and the overall power output of the assembly to be maximized.

The invention discloses a crystalline silicon solar cell screen for positive electrode hollow molding. A positive electrode comprises a positive electrode main grid, a positive electrode fine grid andgrid breaking prevention structures. The grid breaking prevention structures and the positive electrode fine grid are integrated printed and formed. The front face of the screen is provided with sensitive emulsion in a protruding manner. The sensitive emulsion corresponds to the grid breaking prevention structures of the positive electrode. When the crystalline silicon solar cell screen is used for printing the positive electrode, the positions, corresponding to the sensitive emulsion, of the grid breaking prevention structures are provided with hollowed grooves so that the grid breaking probability during positive electrode printing is reduced, and by preventing grid breaking, a function of reducing a hot spot effect of local heating of a module is achieved.

A technique for is presented for locating at least one object illuminated by a laser designator. A detector and an optical unit are provided. The one optical unit is configured for receiving a beam of laser light scattered by the at least one object being illuminated by the laser designator, for creating two secondary beams, and for focusing the two secondary beams to respective foci along an optical axis of the at least one optical unit. The detector is located between the two foci, divided into an even number of portions, and is configured for measuring an intensity of impinging light at each portion. The optical unit is configured for causing the received laser light to impinge the detector, such that an upright image and an inverted image of the scattered laser light beam having substantially equal sizes and substantially equal energies are projected on the detector.

The invention relates to a solar cell panel cleaning device. The solar cell panel cleaning device comprises a water pipe support, wherein the water pipe support is arranged at the top of a solar cellpanel; a crank rocker mechanism is connected below the water pipe support; one end of a rocker of the crank rocker mechanism is connected with the water pipe support, and the other end is connected toa disc-shaped crank; the disc-shaped crank is connected with an electric transmission device; and the water pipe support is connected with a row of nozzles which are tightly attached to the plane ofthe solar cell panel through a water pipe, wherein a certain angle is formed between the nozzles and the plane of the solar cell panel. The fluid ejected by the high-pressure nozzles has great momentum, and has high dust removal and descaling effects on dust and shielding objects on the surface of the cell panel; the equal-interval and swing type nozzles can enable water flow to pass through relatively large cell panels, so that the cleaning efficiency can be improved; and therefore the cleanliness of the surface of the solar cell panel can be ensured, the occurrence of "hot spot effect" is reduced, the photoelectric conversion efficiency is improved, and the service life is prolonged.

The invention discloses a device for enhancing the heat dissipation of a concentrating photovoltaic assembly based on graphene and a heat pipe. The device comprises a condensing lens, a secondary condenser, a concentrating photovoltaic cell, a graphene bottom plate, a thermoelectric power generation chip, a two-phase closed thermosyphon and a plurality of heat dissipating fins; the condensing lensis disposed above the secondary condenser; the lower bottom surface of the secondary condenser is connected with the concentrating photovoltaic cell; a groove is formed in the upper end of the graphene bottom plate; the concentrating photovoltaic cell is disposed in the groove through thermally conductive silicone grease; the lower end of the graphene bottom plate is bonded to the hot end of thethermoelectric power generation chip through the thermally conductive silicone grease; the cold end of the thermoelectric power generation chip is bonded to the two-phase closed thermosyphon through the thermally conductive silicone grease; and the plurality of heat dissipating fins are mounted on the two-phase closed thermosyphon. According to the device of the invention, the prior art is optimized, so that the heat dissipation of the concentrating photovoltaic assembly can be enhanced, and therefore, the efficiency of a concentrating photovoltaic system can be improved, and the service lifeof the concentrating cell can be prolonged.