101results 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 rotary electromagnetic actuating mechanism and a car lamp upper and lower beam switching device thereof, and relates to an illuminating device or functional characteristics or parts of a system of the illuminating device. The rotary electromagnetic actuating mechanism comprises a shell, a rotor, a stator, a rotary shaft and an end cover; stator windings are arranged on the stator, and the stator and the stator windings are fixedly mounted in the shell to form a pair of arc-shaped stator magnetic poles capable of being electrified to be excited; the rotor is an arc-shaped permanent magnet, is fixed onto the rotary shaft, is placed in magnetic field space of the arc-shaped stator magnetic poles and is matched with the arc-shaped stator magnetic poles, so that a closed magnetic circuit with air gaps is formed; and two ends of the rotary shaft are respectively connected with two oscillating bars radially extending along the rotary shaft. A shading plate of the car lamp upper and lower beam switching device is fixedly connected onto the oscillating bars at the two ends of the rotary shaft, an oscillating angle of the shading plate is identical to a rotation angle of the rotor, the rotary electromagnetic actuating mechanism drives the shading plate to realize switching between upper beams and lower beams, collision noise generated when electromagnets are sucked and released is avoided, and a comfortable driving environment is provided for users.

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 a liquid crystal display device and a repairing method thereof. The liquid crystal display device comprises a glass base plate, a transparent public electrode formed on the glass base plate, an insulating layer and a passivation layer respectively deposited on the transparent public electrode, a pixel electrode formed on the transparent public electrode through isolating the insulating layer and the passivation layer, and a storage capacitance formed by the insulating layer between the pixel electrode and the transparent public electrode. The liquid crystal display device and the repairing method thereof can improve the aperture ratio of a display unit and the ducting capacity of the public electrode.

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 provides a high ridge for planting strawberries and a planting method. A ridge body of the high ridge for planting the strawberries extends along an east-west direction, a ridge body mulch covers the ridge body, a drip irrigation zone (tube) is laid on a ridge surface, the north side of the ridge body is high and the south side of the ridge body is low, the south side of the ridge is arc-shaped, the inclination of the ridge surface is greater than 0 degree and not more than 10 degrees, the width of the ridge surface in a horizontal direction is 60 cm, and the height of the ridge is 30-40 cm. Two rows of the strawberries are planted on the high ridge for planting the strawberries in a T-shaped manner, so that farm operation is more convenient and labor-saving, the strawberries are advanced in mature period, high in yield and good in quality, and the fruits have continuous stubbles.

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.

The invention discloses an automotive headlamp with a dedusting function, and belongs to the technical field of automobile lamps. The automotive headlamp comprises an installation shell and a transparent lampshade, wherein the upper end of the installation shell is open, the transparent lampshade covers an end opening of the installation shell, a lamp bead mounting frame is arranged at an inner end opening of the installation shell, a plurality of lamp beads are arranged on the lamp bead mounting frame, a rotating rod shaft of which both ends penetrate through the side walls of the installation shell is arranged in the installation shell, the rotating rod shaft is rotatably installed in the installation shell, an arc-shaped swing rod of which the center of a circle is coincident with the center of the transparent lampshade is arranged on the outer side of the transparent lampshade, cleaning brushes which are used for cleaning dust on the surface of the transparent lampshade are distributed on the rod wall, which is close to the transparent lampshade, of the arc-shaped swing rod, and a driving mechanism which is used for driving the arc-shaped swing rod to swing is further arrangedin the installation shell. The automotive headlamp has the advantages of simple mechanism, convenience in wiping the automobile lampshade and cleaning dust, simplicity and convenience in operation andhigh practicability, and light blockage is avoided.

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.

The invention discloses an MPP power cable protection pipe thread machining device. The MPP power cable protection pipe thread machining device comprises a machine frame. A fine adjustment base is welded to the outer wall of one side of the machine frame, and a gas rod is welded to the top end of the fine adjustment base. A separating plate is welded inside the fine adjustment base, a first separated cavity and a second separated cavity are formed in the two sides of the separating plate, and gas holes are connected between the first separated cavity and the second separated cavity and betweenthe second separated cavity and the gas rod. A fixed bearing pedestal is welded at the top end of the machine frame, and a sleeve penetrates through the interior of the fixed bearing pedestal. According to the MPP power cable protection pipe thread machining device, the fine adjustment base, the gas rod and a sliding groove are arranged, adjustment of an overall positioning device is achieved through mutual cooperation of the fine adjustment base and the gas rod, a fine adjustment bolt on the fine adjustment base is rotated in the adjustment process and pushes a first piston to move, and therefore the distribution state of gas located inside the first separated cavity and the second separated cavity is changed, the gas can enter the gas rod along the first separated cavity and push a second piston so as to change the position of a positioning rod.

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 UV-barrier polycarbonate sound barrier resistant plate. The plate has the advantages of simple and reasonable structure, low production cost, convenient installation and complete functions. Through use of a thin-walled aluminum alloy layer, the whole strength is further improved. Through use of an antibacterial layer, the breeding of bacteria is effectively prevented and sanitation is improved. Through use of a heat insulation layer, a waterproof layer and a sound-absorbing film, heat insulation, waterproof and sound-absorbing performances are improved. An anti-UV coating is a nano-silver gel layer or a titanium dioxide layer and can effectively block UV and prevent scratches. A scratch-resistant wear-resistant layer is arranged. A light shielding layer is arranged and shields light. A reflective saw blade can be directly used for light reflection, prevent light incidence into the UV-barrier polycarbonate sound barrier resistant plate and realize UV blocking effects. Ventilation holes ensure air permeability.

The invention discloses a circulating agricultural planting rack for agricultural planting. The technical scheme aims to solve the problems of no circulation of water sources and poor support performance, and the provided technical scheme includes a bottom plate, wherein a box body is welded to the outer wall of the top of the bottom plate, a curved plate is welded to the outer wall of the top ofthe box body, and air outlet holes equidistantly distributed are formed in the outer wall of the top of the curved plate; and connecting plates are welded to the parts, near the bottom, of the outer walls of two sides of the box body, circulating water devices are fixed to the outer walls of the tops of the connecting plates through bolts, and each circulating water device includes a water tank. Through the circulating agricultural planting rack, the stability of planting troughs can be ensured, and when soil layers, crops and other matter inside the planting troughs are overweight, weight bearing is achieved so that the service life of the device is prolonged; and areas of the planting troughs are sequentially increased from top to bottom so that light shading is avoided, occupying areasare fully utilized for planting, and discharged water can be recovered for recycling, so that waste is avoided.

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 relates to a textile cloth dip dyeing process. The textile cloth dip dyeing process uses a textile cloth dip dyeing device. The textile cloth dip dyeing device comprises a workbench, a dye pool, an intermittent transmission mechanism, a clearing mechanism and a filtering mechanism, the dye pool is installed in the middle of the upper end face of the workbench, and the dye pool is ofa rectangular cavity structure with an opening in the upper end; and the intermittent transmission mechanism is installed on the upper end face of the workbench, the clearing mechanism is arranged inthe dye pool, and the filtering mechanism is arranged on the upper portion of the clearing mechanism. The adopted clearing mechanism can clear and scrape impurities on the surface of textile cloth inthe dip dyeing process, so that the surface of the cloth is fully dip-dyed in the dip dyeing process, and the phenomenon of irregularity and the like is avoided; and meanwhile, through the adopted filtering mechanism, the impurities scraped off from the textile cloth float on the surface of dye liquor and then are fished and filtered, and the situation that the dip dyeing effect of the textile cloth is affected due to the fact that the impurities continue to remain in the dye liquor is avoided.

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 discloses a marine organism spray-seeding matrix for slope protection and an implementation process thereof. The marine organism spray-seeding matrix comprises the following components in parts by weight: 20-25 parts of soil, 20-25 parts of shell powder, 5-10 parts of seaweed-based biochar, 10-15 parts of hermetia illucens sand, 10-15 parts of expanded fibers, 2-6 parts of a soil conditioner, 8-10 parts of a slow-release compound fertilizer and 0.05-0.7 part of plant seeds. Most raw materials of the matrix are from agricultural production solid wastes and domestic solid wastes, the solid wastes are recycled through fine processing of the wastes, and the shell powder and the hermetia illucens sand contain various probiotics, so that the construction of a soil microbial ecological system can be accelerated.

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 invention discloses a preparation method of a back contact HIT solar battery based on an N-type silicon substrate. The preparation method combines a conventional crystalline silicon battery productive technology and a thin film solar cell productive technology, is simple and is capable of realizing industrialization fast. The solar battery prepared by the method does not have the light-induced degradation phenomenon of the crystalline silicon solar battery; the transmission optical path of the sunlight in the battery is longer, and the thickness of the battery is greatly reduced than thatof the conventional crystalline silicon solar cell; the electrodes are fully printed on the back of the battery, thus not only avoiding the shading problem of the positive electrode of the conventional solar battery, but also reducing the requirements on the printing precision and height to width ratio of the electrode; in the component production process, by using the solar battery, welding processes can be reduced, solder strips are reduced and production cost of the component is lowered.

The invention discloses an LED chip encapsulated without routing. The LED chip encapsulated without routing sequentially comprises a transparent conducting layer, an emitting layer and a liner from the top to the bottom; the LED chip encapsulated without routing further comprises a positive electrode, a negative electrode and an isolation region, wherein the positive electrode extends upwards to the transparent conducting layer along the liner; the isolation region is arranged between the positive electrode and the negative electrode and extends upwards to the transparent conducting layer. The invention further discloses an encapsulation technology. The encapsulation technology comprises the following steps: the negative electrode is arranged on the liner; the positive electrode is arranged on the liner and the positive electrode is enabled to be connected with the transparent conducting layer; an isolation aisle allowing the negative electrode to be isolated from the positive electrode is arranged. The LED chip encapsulated without routing and the encapsulation technology overcome the problem of low qualification rate caused by belt lines; the qualification rate of the product is improved.

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.

The invention relates to a bamboo-stump cultivation method for wild Ganoderma lucidum. Ganoderma lucidum cultivation is carried out through carrying out culture medium preparation, carrying out mycelium culture, carrying out environment setting, carrying out Ganoderma lucidum fruiting body cultivation and carrying out spore powder collection. The method has the beneficial effects that the Ganoderma lucidum cultivation is carried out through selecting bamboo stumps, remaining after bamboos in wild bamboo groves are hewn, as carriers, wild natural-environment cultivation is achieved, and Ganoderma lucidum absorbs wild natural nutritional ingredients and is abundant in nutritional ingredient content, so that the formation state of effective ingredients of Ganoderma lucidum bodies is good, and cultivated Ganoderma lucidum can have the effects of wild Ganoderma lucidum; the medicinal value is high, and the cultivation process is simple, so that the problems of the artificially-cultivated Ganoderma lucidum at present that the medicinal value is low and the cultivation process is complicated are solved, and the yield of Ganoderma lucidum can also be increased; and spore powder can be extensively collected, so that the income of Ganoderma lucidum cultivation is increased, the economic benefit is increased, the heavy demand of markets are met, and the popularization is facilitated.