100results about How to "Avoid shades" patented technology

The invention discloses an intermittent greenhouse light complementing system with an automatic moving light source, and belongs to agricultural equipment. The light complementing system comprises a guide beam and a transmission device which are horizontally arranged in a greenhouse, and an electric light source device which is suspended on the guide beam and moves through a traveling wheel; the transmission device comprises a motor, two pulleys, and a transmission rope arranged between the two pulleys and connected with the electric light source device; sensors are arranged at two ends of the guide beam; and the sensors and the motor are in communication connection with a microprocessor respectively. The movable intermittent light complementing system ensures green and safe production of greenhouse plants and meets plant requirements; when light complement is not needed, the electric light source can be moved below the roof of the north slope, so that the plants are prevented from being shaded; the system is flexible in operation and convenient to control; and the system is compact in structure and convenient for detachment, movement and assembly, and is suitable for planting plants of different regions, different varieties and different greenhouse types.

The invention discloses a light emitting diode with sandwich-type current blocking structure, comprising a sapphire substrate and a light emitting epitaxial layer, wherein the light emitting epitaxial layer is extended outwards on the sapphire substrate and is composed of an n-GaN layer, an active layer and a p-GaN layer; a first transparent conducting oxide layer is formed above the p-GaN layer;a transparent insulating layer is positioned on the first transparent conducting oxide layer and inwards retracts by 1-50 micrometers in relation to the first transparent conducting oxide layer; a second transparent conducting oxide layer covers the transparent insulating layer, outwards expands in relation to the transparent insulating layer and is electrically connected with the first transparent conducting oxide layer; a p electrode is connected with the second transparent conducting oxide layer; and an n electrode is connected with the n-GaN layer. The ''inward retraction'' positioning ofthe transparent insulating layer ensures that the current transmission mode of the first transparent conducting oxide layer is transverse transmission with certain resistance from inside to outside; thus more injected current is distributed in the outer ring area of a chip, the lighting intensity of the area is far more than that of the central area of the chip; and light extraction efficiency isimproved because the extraction probability of the photon side surface of the outer ring area of the chip is higher.

The invention relates to an N-type silicon substrate based back contact type HIT (Heterojunction with Intrinsic Thin layer) solar cell structure and a preparation method thereof. The structure is characterized in that the illuminated surface of an N-type silicon substrate comprises an illuminated surface n-type amorphous or microcrystalline silicon layer and an antireflection layer from inside to outside in sequence; the shady surface comprises an intrinsic amorphous or microcrystalline silicon layer, a p-type amorphous or microcrystalline silicon layer and a shady surface n-type amorphous or microcrystalline silicon layer from inside to outside in sequence; the p-type amorphous or microcrystalline silicon layer and the shady surface n-type amorphous or microcrystalline silicon layer are separated by an interval and are alternately arranged on the intrinsic amorphous or microcrystalline silicon layer; transparent conducting thin films cover the p-type amorphous or microcrystalline silicon layer and the shady surface n-type amorphous or microcrystalline silicon layer; and metal electrodes are arranged on the transparent conducting thin films. The HIT solar cell structure and the preparation method have the following beneficial effects: in combination with the preparation methods of the conventional crystalline silicon solar cells and the thin film solar cells and relative to the traditional HIT cells, the preparation process is simple, the usage amount of the metal electrodes is reduced, and the problem that the front electrodes of the conventional solar cells shade light is avoided, thus improving the efficiency of the solar cell.

The invention relates to a solar battery, in particular to a back contact heterojunction solar battery based on a P-type silicon slice. According to a back face feature, the back contact heterojunction solar battery is divided into an N-type region and a P-type region, wherein the N-type region forms a P+a-si/i-a-si/P-c-si/P+c-si/i-a-si/N-a-si heterojunction structure; and the P-type region formsa P+a-si/i-a-si/P-c-si/P+c-si heterojunction structure. The solar battery has higher spectral response; sunshine has a longer light transmission route in the battery; the thickness of the solar battery is greatly reduced compared with that of the conventional crystal silicon solar battery; electrodes are all printed on the back face of the battery, so the problem that the front electrode of the conventional solar battery blocks light is solved; therefore, short-circuit current of the solar battery is increased and the conversion efficiency of the solar battery is improved greatly; and by a low-temperature sintering process, a production process is simplified greatly and production cost is reduced; and the solar battery is applicable to industrialized production.

A movable sun visor mechanism for vehicle light type switch comprises a movable sun visor and a light type switch driving device. The movable sun visor is arranged on a fixed sun visor of a vehicle light type switch device, and rotationally connected with the fixed sun visor through a revolving shaft of the light type switch driving device as well as the two ends of the revolving shaft, and oscillating bars extending in the radial direction of the revolving shaft, the movable sun visor is fixed and connected to the oscillating bars and arranged on the light axis of a vehicle light, the inclined angle between the movable sun visor and the light axis can be changed along with the revolving angle of the revolving shaft of the light type switch driving device. The contour line of the movable sun visor is located at the light path of the vehicle light, and the projection forms far and near illumination light types changing along with the revolving angle of a revolving shaft sub-assembly. The oscillating angle of the movable sun visor is the same with the revolving angle of the revolving shaft sub-assembly. According to the invention, the movable sun visor and a rotor have a linkage relation, so that accurate changes of light types are realized, and meanwhile, the collision noise generated during suction and release of electromagnets is avoided, so that a more comfortable driving environment is provided for users.

The invention discloses a caulking and jointing construction method for brick joints of tiles in a tunnel. The caulking and jointing construction method is characterized in that a brick joint caulkingand jointing device is adopted to caulk or joint the brick joints of the tiles in the tunnel; the brick joint caulking and jointing device includes a caulking and jointing trolley capable of moving back and forth on the surface of a masonry structure and a storage hopper for storing filling mortar which is used for filling the brick joints; when caulking is actually performed, the steps of jointing device removal, storage hopper connection, filling mortar adding, being-in-place of a caulking trolley with a hopper and caulking are included; and when jointing is actually performed, the steps ofstorage hopper connection, filling mortar adding, being-in-place of a jointing trolley with a hopper and jointing are included. The caulking and jointing construction method has reasonable design, simple and convenient construction, high construction efficiency and good use effect, the movable brick joint caulking and jointing device is used for caulking or jointing the brick joints, the fillingmortar can be automatically fed into the treated brick joints, compaction and groove pressing forming can be performed on the filling mortar fed into the brick joints, and the quality of caulking andjointing can be ensured.

The invention discloses a method for manufacturing a back contact HIT (Heterojunction with Intrinsic Thin Layer) solar cell on a P-type silicon substrate. In a manufacturing process provided by the invention, the conventional crystal silicon production process and thin film solar cell production process are combined, and a method is simple, so that industrialization can be realized rapidly; the transmission optical distance of sunlight is longer, and the thickness of the cell is reduced greatly compared with the conventional crystal silicon solar cell; all electrodes are printed on the back face of the cell, so that the problem of light shading of a front face electrode of the conventional solar cell is solved and the requirements for the electrode printing accuracy and the height-width ratio are lowered; and by adopting the cell in component production, the welding procedures can be reduced, a welding belt is saved, and the component production cost is lowered.

The invention discloses a light-emitting component which at least comprises a light-emitting laminated layer, a first transparent conductive oxidation layer positioned under the light-emitting laminated layer, a transparent insulating layer positioned under the first transparent conductive oxidation layer, a second transparent conductive oxidation layer positioned under the transparent insulating layer, and a metallic reflection layer positioned under the second transparent conductive oxidation layer, wherein an omni-directional reflector (ODR) layer is formed by the metallic reflection layer and the second transparent conductive oxidation layer, and ohmic contact is formed between the first transparent conductive oxidation layer and the light-emitting laminated layer, so that the light-emitting efficiency of the light-emitting component can be improved.

The invention relates to the technical field of bending and forming of a glass plate, in particular to a tempering and forming device of a hole-digging and bending glass plate. The tempering and forming device comprises a bending module and a cooling air grid, wherein the bending module comprises an upper pressing convex mould and a lower annular concave mould; the lower annular concave mould comprises a mould frame, an outer forming ring and an inner forming ring; the outer forming ring is fixedly arranged on the mould frame; the inner forming ring is fixedly arranged in the outer forming ring; the shape of the inner forming ring is uniform with the shape of a through hole which is formed in the hole-digging and bending glass plate; the surrounding edge of the hole-digging and bending glass plate can be supported by the outer forming ring; the surrounding edge of the through hole can be supported by the inner forming ring. The tempering and forming device has the advantages that the deformation of the hole-digging part can be prevented, and the quality defects of light shielding or waviness at the surrounding of the hole-digging part are avoided; the problem of easiness in offset of the glass plate is solved, and the possible front-back deviation and right-left deviation on the bending mould can be prevented; the molded surface quality and rate of finished products are improved.

The invention discloses a light-emitting assembly, at least comprising a light-emitting laminated layer, a first transparent conductive oxide layer located below the light-emitting laminated layer, a transparent insulation barrier layer located below the first transparent conductive oxide layer, a second transparent conductive oxide layer located below the transparent insulation barrier layer, and a metal reflection layer located below the second transparent conductive oxide layer, wherein the metal reflection layer and the second transparent conductive oxide layer form an omni-directional reflector (ODR), and ohm contact is formed by the first transparent conductive oxide layer and the light-emitting laminated layer so as to increase the light-emitting efficiency of the light-emitting assembly.

To stably supply a solid-state imaging device having a high sensitivity. A microlens 6 is formed on a photodiode 2. A resin material layer 7 containing fluorine is formed on the microlens 6. A transparent substrate 9 is provided above the resin material layer 7. The resin material layer 7 and the transparent substrate 9 are bonded with a resin layer 8 disposed therebetween.

The invention discloses a self-supporting vertical structure LED chip and a preparation method thereof. The physical characteristics of a LiGaO2 material are used. During rapid annealing, a LiGaO2 substrate automatically breaks up due to thermal shock to directly separate the LiGaO2 substrate from a metal film, so as to realize automatic stripping of the substrate. The preparation process of the LED chip is simplified. The manufacture cost is reduced. In addition, the metal film is directly used as the supporting substrate of a vertical structure, which can play the role of an electrode. The metal heat dissipation performance is great. Current distribution is even. The problem of current crowding is avoided. The light emitting efficiency is improved. A high power LED can be realized. Lightshielding of the electrode is realized. The light emitting area of the LED chip is improved. The metal film can reflect light, which helps to improve the light extraction efficiency to realize a highluminous efficiency LED.

The invention discloses a trunk lid panel mounting structure and a C-pillar lower trim panel. The trunk lid panel mounting structure comprises a pair of oppositely arranged C-pillar lower trim panels and a trunk lid panel, wherein the trunk lid panel is arranged between the C-pillar lower trim panels (10); first sliding rails are arranged on the C-pillar lower trim panels; the first sliding rails are inclined upwards and backwards from first positions to extend to second positions; sliding pieces are arranged on the trunk lid panel; and the sliding pieces are arranged on the corresponding first sliding rails so that the sliding pieces can slide from the first positions to the second positions along the first sliding rails and can be kept in the second positions. Therefore, as the first sliding rail can provide assistance in supporting the trunk lid panel in the process of taking and putting the trunk lid panel, the trunk lid panel can be moved from the first positions to the second positions by being easily held in human hands and can be kept in the second positions; the trunk lid panel mounting structure is convenient for taking and putting spare tire box tools and other articles under the trunk lid panel; and a problem that the spare tire box is lightproof can be solved.

The invention relates to a concentrating solar power photovoltaic conversion device or photothermal conversion device. The concentrating solar power photovoltaic conversion device or photothermal conversion device comprises a solar power concentrating device, a quantum dot material, a resonant cavity and a photovoltaic conversion battery or a photothermal conversion battery. Sunlight is converged into a secondary reflector by the solar power concentrating device, concentrated light of solar power is projected on the quantum dot material and in the resonant cavity by the secondary reflector, the quantum dot material absorbs wide solar spectra and emits narrow spectra which can be absorbed by the photovoltaic conversion battery or narrow spectra which can be absorbed by the photothermal conversion battery, and the light emitted by the quantum dot material lights on the photovoltaic conversion battery to conduct photovoltaic conversion or lights on the photothermal conversion battery to conduct photothermal conversion.

The invention discloses a projector light pipe fixing device and a projector, belonging to the field of light guiding. The device comprises a light pipe cladding part (1) and a clamping element (2), wherein the light pipe cladding part (1) is provided with a cavity for accommodating a light pipe (4); two first end faces (11) and second end faces (12) vertical to the center axis of the light pipe, three side faces parallel to the center axis of the light pipe and a third opening (13) are arranged on the periphery of the cavity; the first opening (13) is used for filling the light pipe (4); a second opening (11a) is formed in the first end face (11); a third opening (12a) is formed in the second end face (12); the area of the second opening (11a) is less than that of the first end face (11), and the area of the third opening (12a) is less than that of the second end face (12); and the clamping element (2) comprises a clamping part and a connecting part positioned at the end part of the clamping part; and the light pipe cladding part (1) is enclosed and clamped by the clamping part, and the connecting part is used for fixedly connecting a projector shell.

The invention relates to novel laser engraving unit equipment which comprises a machine body, a machine cover and the like. The novel laser engraving unit equipment is characterized by further comprising a photoelectric receiver, a slag collecting groove, a photoelectric transmitter, a buzzer, a full-automatic electrostatic eliminator and an exhaust fan; and the machine cover is installed above the machine body and is provided with an observation opening, the photoelectric transmitter is installed on one side of the observation opening, a control table is installed on one side of the machine body, the full-automatic electrostatic eliminator is installed on one side of the control table, and the photoelectric receiver is installed on one side of the control table. By means of the exhaust fan, chippings and dust can be sucked into the slag collecting groove, equipment aging caused by too much dust is avoided, meanwhile, waste slag is more easily removed, and a large amount of cleaning time is saved; in the engraving process, the photoelectric transmitter will transmit photoelectric signals continuously, if the machine cover is not closed, the photoelectric receiver cannot receive the photoelectric signals, the buzzer is triggered to make a sound and give out an alarm, and a worker is prompted that the machine cover is not closed; and the full-automatic electrostatic eliminator can automatically eliminate surrounding static, and static interference is avoided.

The present invention relates to liquid polymer, and is especially one kind of environment friendly black paint specially for shading PVC film and its preparation process and use. The environment friendly black paint consists of dye 8-12 wt%, butyl acrylate 15-25 wt%, chlorosulfonated polypropylene 5-10 wt%, Teflon 15- 25 wt%, polystyrene 4-6 wt%, assistant 0.05-0.15 wt%, and organic solvent for the rest. Its preparation process includes the following steps: 1. adding butyl acrylate, chlorosulfonated polypropylene, Teflon and polystyrene into the organic solvent, and dissolving butyl acrylate completely; 2. adding dye and stirring; 3. adding assistant to form thick slurry; and 4. grinding and filtering. The environment friendly black paint is coated onto PVC film to form shading film.

The invention discloses a travelling field weeding shielding device. The device includes a weeding shielding device body, wherein the weeding shielding device body includes a mounting frame and shielding covers arranged on both sides of the mounting frame; a spraying device is arranged on the upper part of the mounting frame; a travelling device is arranged at the bottom; the spraying device includes an electric sprayer arranged on the mounting frame and spraying heads arranged at the bottom of the mounting frame; the shielding covers cover crops on both sides of a row space; the travelling device drives the weeding shielding device body to travel in the row space of the crops; the electric sprayer sprays weeding pesticide stored in the electric sprayer on weeds in the row space through the spraying heads, and the pesticide sprayed by the spraying device is prevented from being left and floated on the crops on both sides of the row space. The device disclosed by the invention has the beneficial effects that not only can the crops not be damaged when weeding is performed, but manpower is also saved; manual work is not needed to carry a pesticide box; the pesticide spraying height and spraying range can be controlled; the workload of manual spraying is reduced; the efficiency of pesticide spraying is improved.