24results about How to "Reduce coverage area" patented technology

The invention discloses a green three-dimensional planting system for promoting agricultural economic development in an arid region. The green three-dimensional planting system comprises a climate adaptation module; the weather prediction module is responsible for providing weather change prediction; the crop selection and crop rotation module is responsible for selecting suitable drought-enduring crops and implementing scientific crop rotation; the three-dimensional planting structure module is responsible for designing a reasonable three-dimensional planting framework according to the selected drought-enduring crops; the soil improvement module is responsible for adding an organic fertilizer and a modifier and improving the soil moisture retention capability; according to the invention, through weather prediction information provided by the climate adaptation module, the system can predictively adjust an irrigation strategy, and insufficient or excessive irrigation caused by sudden weather change is avoided. The intelligent irrigation module is combined with a neural network algorithm, the irrigation amount and time are accurately calculated and automatically adjusted according to the real-time meteorological data, the drought-enduring crop characteristics, the three-dimensional planting architecture and the soil improvement condition, accurate control over irrigation is achieved, and the utilization efficiency of water resources is remarkably improved.

The invention relates to a glass, cellular board and grating combined curtain wall structure. The curtain wall structure comprises a stand column, a blocking board, a glass board, a cellular board, a first grating and an overhanging piece. Overhanging pieces are vertically and fixedly connected to the outer end faces of the stand columns at intervals; the blocking plate and the glass plate are installed on the two adjacent stand columns. A heat-insulating filling area is formed among the blocking plate, the upright post and the wall body and is used for arranging a heat-insulating material; the outer end of the overhanging piece penetrates out of the space between the blocking plate and the glass plate and extends to the outer side of the honeycomb curtain wall area and the outer side of the glass curtain wall area; the cellular board is distributed on the outer side of the blocking board, and the left and right ends of the cellular board are fixedly connected with the outer ends of the left and right adjacent overhanging pieces respectively; the first grating is vertically fixed on the overhanging piece and is positioned between the honeycomb curtain wall area and the glass curtain wall area; and a wind pressure slow release area is formed among the honeycomb plate, the first grating and the blocking plate. The problems that an existing curtain wall is serious in light pollution, poor in heat preservation effect, poor in wind pressure resistance and single in visual effect can be solved.

The invention relates to a display panel and a display device. The display panel comprises a display area and a light-transmitting area located in the display area. The display panel comprises a driving circuit layer and a light-emitting layer. The driving circuit layer comprises a first pixel driving circuit and a second pixel driving circuit which are located in a display area and are arranged away from a light-transmitting area. A first pixel driving circuit is connected with a plurality of sub-pixels with the same color of the light-emitting layer, and a second pixel driving circuit is connected with one sub-pixel of the light-emitting layer; the first pixel driving circuit comprises a first driving transistor, and the second pixel driving circuit comprises a second driving transistor; the first driving transistor is connected with the anode ends of the plurality of corresponding sub-pixels, the second driving transistor is connected with the anode end of one corresponding sub-pixel, and the amount of current flowing through the first driving transistor in unit time is larger than the amount of current flowing through the second driving transistor. The local light transmittance is effectively improved on the basis that the overall display effect of the display panel is not affected.

The invention provides a battery piece pressing device, and relates to the technical field of photovoltaic cells, the battery piece pressing device comprises a carrier plate, a plurality of pressing assemblies arranged on the carrier plate, and a driving assembly matched with the pressing assemblies, the carrier plate is provided with at least one placing groove, the placing groove is used for placing a battery piece, and the plurality of pressing assemblies are arranged around the circumferential direction of the placing groove; the pressing assembly comprises at least one first connecting piece arranged on the carrier plate, a pressing needle connected with the first connecting piece and a second connecting piece arranged opposite to the pressing needle, one end of the pressing needle is rotationally connected with the carrier plate through the first connecting piece, and the other end of the pressing needle is located over the edge of the containing groove. The second connecting piece is matched with the pressing needle, so that the pressing needle presses and limits the battery piece; the driving assembly comprises a fixing frame and at least one driving piece, and the driving piece is used for relieving pressing and limiting of the pressing needle on the battery piece. The battery pieces are limited through the multiple pressing needles, the covering area of the battery pieces is obviously smaller, and the fragment rate of the battery pieces is reduced.

The utility model relates to the technical field of solar cells, in particular to a cell composite layer and a TOPCon cell. The composite layer covers at least part of the surface of the silicon substrate, the composite layer comprises metal electrodes and copper plating layers covering the surfaces of the metal electrodes, and the metal electrodes are uniformly distributed on at least part of the surface of the silicon substrate in a dotted manner; wherein the width of the copper plating layer is larger than that of the metal electrode; the copper plating layer is used for completely covering the metal electrode to form the copper-clad silver electrode structure, and the copper-clad silver electrode structure can replace part of the silver paste electrode structure, so that the usage amount of the silver paste in the TOPCon battery can be reduced to 2mg / cm < 2 >; in addition, the metal electrodes are uniformly distributed on at least one part of the surface of the silicon substrate in a dotted manner, so that the working efficiency of the TOPCon battery can be improved to 26.5% or above by using a copper-clad silver electrode structure.

The application relates to a snap-action relay. The snap-action relay comprises an armature assembly, a moving spring, a second connecting piece and a stationary spring. The armature assembly comprises an armature and a first connecting piece arranged on the armature; the moving spring is provided with a moving contact; the second connecting piece is arranged on the moving spring and connected to the first connecting piece; the stationary spring is provided with a stationary contact opposite to the moving contact; wherein the armature assembly is used to drive the moving spring to move relative to the stationary spring, so that the moving contact and the stationary contact relatively approach or move away from each other. The above snap-action relay can effectively simplify the assembly process of the snap-action relay, improve the production efficiency, and is also beneficial to reducing the preparation cost of the snap-action relay.

The utility model discloses a kind of protection structure and protective device for district fusion terminal, wherein protection structure includes protection support and elastic rubber ring, protection support is in right angle edge structure, including fender and flexible reinforcing arc angle, flexible reinforcing arc angle is located at the right angle vertex position of right angle edge structure, fender is located at the position of two right angle edges of right angle edge structure, and is fixed with the two ends of flexible reinforcing arc angle, the wall surface of fender outward is installation surface, the wall surface of fender inward is provided with cavity, hook is arranged in cavity, elastic rubber ring is detachably connected on the hook of adjacent two fenders. In the utility model, protection structure is elastically positioned and protected in each right angle edge of fusion terminal, the covering area of fusion terminal box body is smaller, does not affect the normal heat dissipation of fusion terminal, plays the buffering protection effect of compression resistance and shock avoidance.

The utility model relates to the technical field of cables, in particular to a wear-resistant automobile cable which comprises a charging cable, one end of the charging cable is fixedly connected with a plug, the other end of the charging cable is fixedly connected with a charging gun, the outer surface of the charging cable is evenly sleeved with a plurality of rubber sleeves in a sliding mode, and the rubber sleeves are fixedly connected with the charging gun. A plurality of balls are evenly embedded in the rubber sleeve and made of metal, a plurality of rectangular holes are evenly formed in the arc face of the rubber sleeve, a plurality of longitudinal strips are evenly and fixedly connected to the inner side of the rubber sleeve, the cross section of each longitudinal strip is in an isosceles triangle shape, and a plurality of elastic pieces are fixedly connected to the two ends of the rubber sleeve. According to the utility model, through the arrangement of the structure, the direct contact between the charging cable and the ground in the process of dragging the charging cable on the ground is avoided, the wear-resistant effect in the automobile charging process and the charging cable moving process is facilitated, and the service life of the automobile charging cable is prolonged to a certain extent.

The invention discloses a land surveying and mapping method and system for cadastral survey, and belongs to the technical field of land resource surveying and mapping, and the method specifically comprises the steps: obtaining a to-be-surveyed and mapped area, and carrying out the grid division of the to-be-surveyed and mapped area; the unmanned aerial vehicle obtains a surveying image in real time from the surveying point according to the first height; the method comprises the steps of preprocessing a surveying and mapping image, dividing the surveying and mapping image into a plurality of sub-surveying and mapping images, performing feature extraction on all the sub-surveying and mapping images to obtain a feature vector, clustering all the sub-surveying and mapping images according to the feature vector to generate a plurality of category clusters, selecting a maximum category cluster from the plurality of category clusters, and marking the maximum category cluster as a target category cluster, if the area of the area target category cluster in any target grid area is smaller than the preset threshold value, re-surveying and mapping are carried out to obtain a second surveying and mapping image, the surveying and mapping images corresponding to different grid areas are processed to obtain a final land surveying and mapping result, and the land utilization resource surveying and mapping efficiency and precision are greatly improved.

The utility model relates to quenching device technical field, and disclose a kind of quenching device of metal heat treatment, including equipment main body, fixed in the fixed telescopic link of equipment main body upper surface one side and the bracket fixed in telescopic link top, the inside fixed drive device of one side of the bracket, the upper surface of equipment main body another side is fixed with quenching tank.This equipment is rotated by the high friction of sharp cone rubber wheel and quenching tank inner wall, and then rotates by gear engagement to drive metal bar and steel wire brush roller rotation, forms the bidirectional rotation cooperation of metal bar and brush roller, realizes the quick removal of the surface scale of metal bar, this process can effectively reduce the scale coverage area, avoid scale residue to hinder quenching liquid contact, ensure that quenching heat transfer is uniform, improve quenching quality.

The utility model relates to the technical field of electric power-assisted bicycle parts, and discloses an electric power-assisted bicycle wire collecting box which comprises a plurality of drawing seats, a wire fixing ring and a supporting bent plate, the drawing seats are sequentially and rotationally connected, the drawing seats located at the two ends are connected through a fixing structure, and the drawing seats comprise a fixed seat and a movable seat. One end of the movable seat is slidably arranged in the fixed seat, positioning structures are connected to two sides of the fixed seat, the wire fixing rings are arranged at the ends, away from each other, of the front sides of the fixed seat and the movable seat respectively, each wire fixing ring comprises wire fixing plates which are symmetrically arranged, one end of each wire fixing plate is rotatably connected with the fixed seat and the movable seat, and the other end of each wire fixing plate is connected through a fixing structure. The supporting bent plates are slidably arranged on the sides, away from each other, of the wire fixing rings, and fixing belts are connected to the inner sides of the supporting bent plates. The utility model has the advantages that the binding length of the electric wire can be adjusted, the wrapping range is small, heat dissipation is facilitated, and the electric wire can be bent, supported and protected.

The utility model discloses an SCR mixer and an engine aftertreatment device, and relates to the technical field of engine tail gas treatment. The urea and tail gas mixing device is used for mixing urea and tail gas to generate mixed gas and comprises a connecting shell and a barrel assembly connected into the connecting shell. The cylinder assembly comprises an air inlet cylinder and an air outlet cylinder which are distributed in the axial direction. The gas inlet cylinder is provided with a gas inlet for tail gas to enter, and the gas outlet cylinder is provided with a gas exhaust area for exhausting mixed gas; mixed gas only needs to enter the gas outlet cylinder through the axially-distributed gas inlet cylinder and is discharged through the gas outlet cylinder, and the mixed gas does not need to be discharged through an outer pipe, so that the back pressure of the gas is reduced, and the oil consumption is reduced; and moreover, a sleeved outer pipe is not arranged on the outer side of the cylinder body assembly, so that the manufacturing difficulty of centering is avoided, the structure is simplified, and the cost is reduced.

This invention relates to the field of home textile technology and provides a processing method for fiber-paper blended cooling mats, including biomimetic mineralization treatment of paper yarn, multi-level gradient blending, and in-situ hot-pressing composite. An infrared heating module with a wavelength of 2.5 μm is integrated into the reed seat of a rapier loom. During the weaving process, polycaprolactone microparticles with a particle size of 20 μm are sprayed onto the weft yarns. These microparticles are irradiated with infrared light at 120-130°C, causing them to melt and penetrate to the warp and weft yarn intersections. A three-layer integrated molding is achieved through dual-temperature zone pressure rollers. Simultaneously, polycaprolactone microparticles are sprayed onto the weft yarns, and infrared irradiation melts and penetrates them to the yarn intersections, forming "micro-welded nodes," which are discontinuous adhesive layers. Compared to traditional adhesive dots, this method reduces the coverage area and improves moisture permeability. It solves the problems of easy delamination and adhesive barrier to air permeability in traditional lamination processes. The fiber-paper blended cooling mat produced by the above method includes polycaprolactone-reinforced nodes at the weft yarn intersections.

This utility model relates to the field of disposable hygiene products, specifically to a breathable menstrual panty that solves the problem of insufficient breathability at the waistband of existing menstrual panty structures. The panty includes a main body comprising a liquid-permeable surface layer, an absorbent core, and a liquid-impermeable bottom layer stacked from top to bottom. The main body has a longitudinal direction (length) and a transverse direction (width). Longitudinally, it is divided into a front waistband area near the front of the body, a back waistband area near the back of the body, and a crotch area between the two. An elastic waistband is sandwiched between the liquid-permeable surface layer and the liquid-impermeable bottom layer in the front and / or back waistband areas. A non-elastic perforated section is provided between the front and / or back waistband areas and the crotch area. Strip-shaped Velcro fasteners for adding fixing points are arranged on the liquid-impermeable bottom layer in the perforated section of the front and / or back waistband areas. This utility model is applied in the production of menstrual panties.

The present invention discloses a reverse osmosis membrane strength testing device and a testing method thereof, and relates to the technical field of reverse osmosis membrane testing. The reverse osmosis membrane strength testing device comprises: a reverse osmosis membrane evaluation tank, the reverse osmosis membrane evaluation tank comprises a tank body, a reverse osmosis membrane is placed in the tank body, the reverse osmosis membrane divides the tank body into a test solution chamber and a permeate chamber; a test solution water tank, the test solution water tank is used to store and provide the test solution required by the test solution chamber, the test solution chamber and the permeate chamber are both provided with a pipeline for connecting the test solution water tank; a booster pump, the booster pump is provided in the pipeline connecting the test solution water tank and the test solution chamber. The reverse osmosis membrane strength testing device and the testing method thereof directly obtain the reverse osmosis membrane strength by testing the desalination rate and water flux of the reverse osmosis membrane, so that the strength of the reverse osmosis membrane can be accurately known.

The embodiment of the invention relates to the technical field of design and manufacturing of display devices, and discloses an LED chip and an LED display panel. The LED chip provided by the embodiment of the invention comprises an LED structure layer which comprises a first semiconductor layer, a light-emitting layer and a second semiconductor layer which are stacked in sequence; the electrode structure layer comprises a first conducting layer, a second conducting layer, a first electrode and a second electrode, and the first conducting layer and the second conducting layer are sequentially arranged on the LED structure layer at intervals; one end of the first conducting layer and one end of the second conducting layer are both connected with the first semiconductor layer, the other end of the first conducting layer and the other end of the second conducting layer are both connected with the second semiconductor layer, the first electrode is connected to the first conducting layer, and the second electrode is connected to the second conducting layer. The polarities of the two electrodes of the LED chip are not distinguished, and the LED chip can be flexibly pasted and manufactured, so that the manufacturing process of the LED display panel can be saved, the manufacturing efficiency of the LED display panel can be improved, and the material cost can be saved.

The utility model relates to a COB light-emitting device and a light-emitting device. The COB light-emitting device comprises a light-emitting assembly, a plurality of first lenses and a plurality of second lenses. The light-emitting assembly comprises a plurality of light-emitting chips and is provided with a plurality of light-emitting areas, and each light-emitting area is formed by the light-emitting face of the corresponding light-emitting chip. The plurality of first lenses are in one-to-one correspondence with the plurality of light-emitting areas, each first lens is arranged on the light-emitting chip of the corresponding light-emitting area, the minimum included angle between the section line of the side surface of each first lens on the optical axis section and the extension line of the section line of the bottom surface of each first lens is theta, and theta is greater than 45 degrees and greater than 90 degrees. The second lens is arranged on the light-emitting assembly and comprises a plurality of lens parts which are connected with one another, the plurality of lens parts are in one-to-one correspondence with the plurality of first lenses, and each lens part is arranged above the corresponding first lens at intervals. According to the COB light-emitting device, light emitted by the light-emitting chip is collected through the arrangement of the first lens, the size of the second lens is obviously reduced, the size of the device is obviously reduced, and miniaturization of the COB light-emitting device is facilitated.

An adjustable silicon wafer support platform for large-size silicon wafer edge polishing includes a support table, a center support rod is vertically fixed on the support table, a center support plate is fixedly connected to the top of the center support rod, a moving ring is slidably sleeved on the middle part of the center support rod, a plurality of side support rods are also slidably arranged on the support table, the side support rods are obliquely arranged relative to the support table, and the plurality of side support rods are uniformly distributed around the circumferential direction of the center support rod, the top of the side support rod is fixedly connected with an edge support plate, and the center support plate and all the edge support plates jointly form a support platform for supporting the silicon wafer, and the moving ring can push the side support rod to slide during up-down movement to change the distance between the edge support plate and the center support plate. The actual size of the silicon wafer for edge polishing can be flexibly adjusted according to the need, so that the silicon wafer can be uniformly supported, and the silicon wafer can be prevented from falling due to unstable support when the edge is stressed or being damaged due to uneven stress on the edge.

The invention discloses a pole roll three-dimensional caching system and a transferring method in the technical field of lithium battery production, the system comprises a partition wall arranged between a roll cutting area and a roll dividing area, and a rectangular winding corridor is arranged in the partition wall; a temporary storage channel is arranged in the rectangular corridor, a stacking machine is arranged in the temporary storage channel, and three-dimensional pole roll temporary storage vertical warehouses are arranged on the two sides of the temporary storage channel. Conveying lines used for pole roll feeding and discharging are arranged at the two ends of the temporary storage channel, and double-door interlocking devices are arranged at the positions, penetrating through the rectangular winding corridor, of the two ends of the conveying lines. Compared with a traditional decentralized and fixed plane-laid pole roll caching frame, the three-dimensional caching system and method for the pole rolls fully utilize the three-dimensional space and can greatly save the plane space, and compared with a decentralized flat-laid pole roll caching frame mode, the system cancels a lifting door and is integrally located in a relatively closed space, so that the space is saved, and the space is saved. The device is suitable for frequent alternate operation, environment management and control of the two areas are not affected, and the pole rolls are also greatly protected from being polluted.

A detection method based on a vehicle-mounted FOD detection system is provided, which belongs to the field of intelligent detection technology, and includes: constructing and training a foreign object recognition model constructed based on the PatchCore algorithm; a patrol vehicle is driving on the runway, a high-definition camera collects video images of the runway, and a trained foreign object recognition model is used to detect whether there are foreign objects in the video images; if a foreign object on the runway is found, an alarm is triggered and a pop-up window is displayed on the monitoring client in the patrol vehicle, and the position of the foreign object on the runway in the video image is framed, and the actual position of the foreign object on the runway is given; the control personnel verify the identified foreign object on the runway, and if it is a real foreign object, a cleaning operation is arranged according to the actual position of the foreign object on the runway; otherwise, the image of the falsely reported foreign object on the runway is submitted to the model upgrade program, and the model upgrade program is used to upgrade the model online based on the falsely reported image of the foreign object on the runway. The present invention can realize accurate detection of foreign objects on the airport runway with low implementation cost.

The utility model provides an awning assembly. The awning assembly comprises awning glass, a supporting framework and an interior coating layer, wherein the awning glass is connected to the vehicle body framework; the supporting framework is attached and fixed to the bottom face of the awning glass and extends in the Y direction, and the two ends of the supporting framework are connected with the vehicle body framework. And the interior coating layer is arranged on the supporting framework. According to the awning assembly provided by the utility model, the supporting framework is integrally arranged on the awning glass, and meanwhile, the interior coating layer is arranged on the surface of the supporting framework, so that the awning glass only needs to be hermetically lapped on the vehicle body framework from top to bottom during assembly, and then the two ends of the supporting framework are connected with the vehicle body framework; the ceiling does not need to be wrapped by the supporting framework, the assembling process can be simplified, the space occupied by the supporting framework in the vehicle can be reduced, the covering area of the supporting framework on the sunscreen glass is reduced, and then the view permeability of the sunscreen glass is improved.

The utility model relates to the field of petrochemical storage tanks, in particular to a petrochemical storage tank fire-fighting water spray cooling device which comprises a base, the bottom end of a connecting rod is fixedly connected with a second connecting block, the left side and the right side of the second connecting block are both rotationally connected with second pulleys, and the surfaces of the second pulleys are slidably connected to the inner wall of the base. A connecting shaft is fixedly connected to the top of the water spraying box, the top of the connecting shaft is fixedly connected to the bottom of the top cover, a connecting rod is rotatably connected to the surface of the connecting shaft, the front end of the connecting rod is fixedly connected to the top end of the connecting rod, and curtains are fixedly connected to the surfaces of the fixing rod and the connecting rod. The curtain is used in a matched mode, the curtain is pushed reversely, at the moment, the covered area of the storage tank is small, then the storage tank is convenient to use, the storage tank does not need to be lifted repeatedly, the storage tank can be used on the base, operation steps of workers are reduced, the risk that the storage tank is touched and broken is reduced, and the effect of protecting the storage tank is achieved.

The invention relates to the technical field of air-combustion photovoltaic glass production, and specifically provides a method for eliminating air-combustion photovoltaic glass molten foam and a defoaming agent. In the method, the defoaming agent is sprayed outside the kiln, added into a glass batch material, or a combination of the two methods, so that when the glass batch material enters the kiln and melts under high temperature and precipitates tiny bubbles, high-temperature resistant nano material particles in the defoaming agent distributed on the glass batch material immediately act on the tiny bubbles on the surface, and the surface tension of the glass molten foam is reduced by utilizing the surface activity of the high-temperature resistant nano material particles, so that the tiny bubble walls are thinned and broken, thereby achieving rapid elimination of the tiny bubbles and preventing the tiny bubbles from growing and accumulating into large-area foam, thereby solving the technical problem that when the defoaming agent is sprayed in the kiln in the traditional way, the foam has already been generated and affects the thermal effect of the kiln.