33results about How to "Increase light receiving surface" patented technology

The invention provides a solar water heater which comprises a framework, a heat-preservation water tank and a heating pipe. The heat-preservation water tank and the heating pipe are arranged on the upper portion of the framework, the heating pipe is located on the lower portion of the heat-preservation water tank, and the inside of the heating pipe is communicated with a cavity inside the heat-preservation water tank. The solar water heater further comprises an upper light reflection plate hinged to the heat-preservation water tank and side light reflection plates hinged to the two sides of the framework and distributed symmetrically. The area of the light receiving face of the solar water heater is greatly increased, the solar water heater can produce more heat, water can be heated to reach a higher temperature, and the solar water heater can be used in winter. The angle of the upper light reflection plate and the angles of the side light reflection plates can be automatically adjusted according to the actual illumination angle of sunlight, heating efficiency is higher, and the efficiency of the whole solar water heater is higher.

The invention discloses a variable band gap double-side transparent electrode thin film solar battery which comprises a transparent substrate, wherein one side of the transparent substrate is provided with a first transparent conductive electrode; a photoelectric conversion unit 1 is arranged above the first transparent conductive electrode, and a second transparent conductive electrode is arranged above the photoelectric conversion unit 1; the other side of the substrate is provided with a third transparent conductive electrode; and a photoelectric conversion unit 2 is arranged on the third transparent conductive electrode, and a fourth transparent conductive electrode is arranged on the photoelectric conversion unit 2. The photoelectric conversion unit 1 and the photoelectric conversion unit 2 have different band gap distributions so as to correspond to different spectral response ranges and improve the photoelectric conversion efficiency. Meanwhile, due to the interaction of the upper photoelectric conversion unit and the lower photoelectric conversion unit, the conversion efficiency of the photoelectric conversion units is improved to a large extent. The invention ensures that the solar battery can accept light by double sides, thereby improving the light acceptance area of the solar battery in multiples. The structural change can ensure that the horizontal installation generating capacity of the solar battery is increased by 10 percent, and the vertical installation generating capacity is increased by 34 percent.

A special-shaped inner tube all-glass vacuum solar-energy collecting tube is characterized in that: the wall of inner tube (2) is a polyhedral cylinder axially extending along the inner tube (2); the inner and outer faces of the wall of inner tube (2) are relative to the cylinder; the radial section of inner tube (2) is relative to the polyhedral cylinder of the wall of inner tube (2); the face of polyhedral cylinder is plane, or the convex arc or the concave arc. The invention has the advantages in the replace function on the general full-glass vacuum solar-energy collecting tube, to improve the inner and outer faces of inner tube (2), to improve heat adsorption, reduce the water volume of inner tube, improve the heat efficiency and improve the strength, while it can resist the inner water pressure, the axial bend and the explosion. The invention has simple production and low cost.

The invention discloses a T-type top electrode back-reflection thin film solar cell. A plurality of stripe-shaped ribs made of the same material as a transparent top electrode are formed on the lower surface of the transparent top electrode, so that the top electrode locally forms a T-type structure; the lower surfaces of a P-type amorphous silicon thin film, an intrinsic amorphous silicon thin film, an N-type amorphous silicon thin film and a transparent conductive transition film below the ribs are projected downward to form stripe-shaped bumps; and the contact surface between a bottom electrode at a corresponding position and the transparent conductive transition film is provided with stripe-shaped curved reflection surfaces which are in one-to-one correspondence with the ribs. The top electrode of the T-type top electrode back-reflection thin film solar cell extends into thin films, so that the current collection capacity of an electrode is improved; film materials subsequently deposited on the electrode form the curved bumps, so that the area of the thin film cell is increased, and the light receiving surface of the cell is increased; the metal bottom electrode has a back-reflection surface with a concave mirror structure, so that the reflected light utilization of the cell is increased; and therefore, the light adsorption and utilization of the cell are improved, and the conversion efficiency of the cell is further improved.

A radiation detector comprising three optical members having their light incident end faces (12a, 14a, 16a) arranged in almost the same plane, a scintillator mounted on the light incident end faces (12a, 14a, 16a) of the optical members, a plurality of CCDs for picking up optical images output from light outgoing end faces (12b, 14b, 16b) of the optical members and a plurality of light guiding optical members for guiding the optical images output from the light outgoing end faces (12b, 14b, 16b) of the optical members to the CCDs, wherein the optical members are securely bonded together with a clearance of 10-15 um by an adhesive that has a light adsorbin characteristic, and a protective film is provided over the scintillator.

The invention provides a bus station. The bus station comprises a bus shelter, the bus shelter comprises a support frame and a sun shield, the support frame or the sun shield is provided with a storage battery and a control module, the upper end surface of the sun shield is fixedly connected with a first solar cell panel and slide rails, a second solar cell panel is slidably connected between the two slide rails, the first solar cell panel and the second solar cell panel are arranged in parallel, the sun shield is also provided with a driving assembly, the driving assembly, the first solar cell panel and the second solar cell panel are electrically connected with the storage battery, and the first solar cell panel and the second solar cell panel are in communicating connection with the control module. Through arrangement of the slide rail, the second solar cell panel is enabled to extend from the bus shelter, the light receiving surfaces of the solar cell panels can be substantially increased, the generating capacity is substantially increased, electric power is sufficient, and no burden is caused to a commercial power grid.

The invention provides a photon shutter device, and the device comprises an absorption main body, wherein the interior of the absorption main body is provided with a light hole and a composite hole, which are used for the passing of two light beams of the composite light beams entering the absorption main body; a water cooling circulation system; a plurality of collimating devices; at least one temperature detection device. The light hole is a rectangular through hole. The composite hole is provided with a light passing part located at the lower part, and a light blocking part located at the upper part. The light passing part is a left-right through channel, and the light blocking part is a wedge-shaped channel, wherein the width of the wedge-shaped channel gradually decreases in the traveling direction of a light beam. The tail end of the light blocking part is provided with an absorption light blocking plate. The setting of the light hole and the composite hole enables the device toachieve a purpose that the application of one light beam is not affected while the device achieves the light passing and blocking control of the other light beam in the composite light beams with a super-small inclined angle.

The invention discloses a mixed vehicle roof which comprises a vehicle roof body. An extensible solar cell system is fixedly arranged at the top of the vehicle roof body and comprises a shell, solar cells, extensible mechanisms and a control device, an upper solar cell is arranged at the top of the shell, front, rear, left and right solar cells are arranged in the shell, front, rear, left and right extensible mechanisms are arranged on the front, rear, left and right solar cells respectively, and each extensible mechanism is electrically connected with the control device and controlled by the same; the top of the vehicle roof body and the shell of the extensible solar cell system are of an integral structure. The vehicle roof body and the extensible solar cell system are connected to form the integral structure to form the mixed vehicle roof. The mixed vehicle roof has the advantages of reasonable design, needlessness of single mounting, few production procedure, compact structure, supportiveness of manual or remote control, large light receiving area of the solar cells due to contractive structure.

The invention discloses a solar cell which comprises a semiconductor substrate, an emitter layer, at least one first electrode, at least one second electrode and a dielectric layer, wherein the semiconductor substrate is provided with a first surface, a second surface opposite to the first surface as well as at least one through channel penetrating through the first surface and the second surface; the emitter layer is formed on the first surface, the second surface and the through channel of the semiconductor substrate; a pn junction is formed between the semiconductor substrate and the emitter layer; the first electrode is formed on the through channel, the first surface and the second surface and is contacted with the emitter layer; the second electrode is formed on the second surface and electrically connected with the semiconductor substrate; the dielectric layer is formed in the through channel and located between the emitter layer and the first electrode to isolate the first electrode from the pn junction, so that the conversion efficiency of the solar cell is increased.

The invention discloses a solar distillation unit and a distillation method. The solar distillation unit comprises a water drawing cavity, an evaporation and condensation cavity and a solute-containing water cavity which are sequentially arranged from left to right. The upper ends of the evaporation and condensation cavity and the solute-containing water cavity are connected with the bottom of a sunlight heat absorption device. Hydrophilic material layers which are communicated with each other are arranged between the upper end of the evaporation and condensation cavity and the bottom of the sunlight heat absorption device and in the solute-containing water cavity. A cavity body of the evaporation and condensation cavity is filled with gas of which the molar mass is smaller than that of water molecules. A water drawing device is arranged in the water drawing cavity, the left ends of the hydrophilic material layers are communicated with the water drawing device, and a through hole formed in the left side wall of the water drawing cavity is connected with the output right end of a planar fluorescent condenser. The lower end of the evaporation and condensation cavity is connected witha pipeline for outputting condensate. The water drawing device in the distillation unit is optimized, and efficient distillation is achieved; and large-scale production is facilitated.

The invention discloses a photovoltaic wind energy small generator. The photovoltaic wind energy small generator comprises a power generation base, a generator, an impeller and a guide tail; the impeller comprises a wheel shaft and multiple blades; photovoltaic cell films are attached on the blades; the wheel shaft is coaxially fixed on a rotating shaft of the generator; connecting bases corresponding to the blades one to one in number are arranged on the shaft surface of the wheel shaft; connecting parts of the blades are mounted on the connecting bases; the side edges of the blades are hinged with supplementing pieces; photovoltaic cell films are also attached on the supplementing pieces; a control panel is fixed at the upper part of the generator; and the control panel is in communication connection with hinge shaft parts of the supplementing pieces and connecting shafts of the blades. The photovoltaic wind energy small generator can effectively realize increase of the lighting rate through a mode of overturning the blades and the supplementing pieces in the photovoltaic power generation process through a mode of rotating the supplementing pieces and the blades.

The invention discloses a charging vehicle shield of photovoltaic power generation. The shield includes a framework, shielding cloth, a charger and multiple flexible-film solar panels; the framework supports the shielding cloth, the flexible-film solar panels are evenly distributed on the upper surface of the shielding cloth in a wave shape, the charger is connected with the solar panels, and a reflecting material coating is arranged on the upper surface of the shielding cloth. By utilizing the flexible-film solar panels to conduct photovoltaic conversion, the solar energy is converted into the electric energy; since the flexible-film solar panels are arranged in the wave shape, a larger light receiving surface is provided under the equal area of the shielding cloth; since the reflecting material coating is arranged on the upper surface of the shielding cloth, the shielding cloth can reflect most of sunlight, the sunlight absorption of the shielding cloth is reduced, and therefore a vehicle body can be shielded, and more solar energy can be effectively utilized at the same time. The vehicle shield of the structure above can serve as an automotive part for use.

The invention provides an air purification device, a control method and a refrigerator, and the air purification device comprises a photocatalytic device which comprises a base material and a photocatalytic material layer formed on the outer surface of the base material; the ultraviolet light source is used for irradiating ultraviolet rays towards the photocatalytic material layer; one of the photocatalytic device and the ultraviolet light source is connected with the rotating mechanism; the control unit is connected with the rotating mechanism, and the control unit controls the rotating mechanism to enable the photocatalytic device to rotate or enable the ultraviolet light source to rotate around the photocatalytic device.