56results about How to "Injury reduction" patented technology

The invention provides an audio signal processing method, device and system for wind noise suppression, a computer readable medium, and a training method of a wind noise attenuation prediction model based on an artificial neural network. The audio signal processing method for wind noise suppression comprises the following steps: converting an original time domain signal of an input audio into an initial frequency domain signal; predicting a predicted wind noise attenuation gain according to the initial frequency domain signal by using a wind noise attenuation prediction model based on the artificial neural network; determining the final predicted wind noise attenuation gain of the current frequency point signal of the current frame according to the predicted wind noise attenuation gain ofthe current frequency point signal of the current frame and the predicted wind noise attenuation gain of the adjacent frequency point signal of the current frame; performing wind noise suppression onthe initial frequency domain signal based on the final predicted wind noise attenuation gain; and converting the frequency domain signal after wind noise suppression into a time domain signal after wind noise suppression. According to the method, wind noise elimination is performed by adopting the wind noise attenuation prediction model based on the artificial neural network so that the wind noisesuppression effect can be greatly enhanced.

The invention relates to a greenhouse vegetable harvesting robot, which comprises a traveling device, a positioning device, a regulating device, a grasping device, a cutting device and two wiping devices. The lower end of the traveling device is provided with the positioning device, the upper end of the traveling device is equipped with the regulating device, the lower side of the right end of theregulating device is fixedly connected with the grasping device, the right end of the traveling device is provided with the cutting device, and the two wiping devices are arranged at the front and back ends of the cutting device. The greenhouse vegetable harvesting robot can solve the problems that Chinese cabbages need to be harvested manually in the existing vegetable greenhouse, the manual harvesting efficiency is low, the amount of labor is large, harm to the human body is easy to cause by a cutting knife during manual harvesting, and moreover, the existing device is prone to slipping andleft-right swaying during the process of traveling, positioning can not be performed on the slippery ground, the adjustment effect is poor, the grasping is not firm, the Chinese cabbages are easy todamage, at the same time blades can not be cleaned, and the cleanliness of the Chinese cabbages can not be guaranteed.

The invention provides a fabricated polystyrene thermal insulation wall. The fabricated polystyrene thermal insulation wall comprises a profile body, the profile body is a polystyrene structure layer,a first connecting rod is arranged on one side of the profile body, and a mounting ball is arranged on the side, away from the profile body, of the first connecting rod; and a second mounting grooveis formed in the other side of the profile body, a first mounting groove is formed in the groove bottom of the second mounting groove in a communicating mode, the first mounting groove is of a spherical structure, and the first mounting groove and the second mounting groove are formed in the profile body in a penetrating mode. According to the fabricated polystyrene thermal insulation wall, the first mounting groove and the second mounting groove are matched with the first connecting rod and the mounting ball, so that every two adjacent profile bodies can be connected into a whole, the construction efficiency of the profile bodies is improved in the large-area splicing construction process, and the situation that the construction period is prolonged due to too slow splicing is reduced; andthe situation that the construction quality is poor due to uneven butt joint in the splicing process is reduced.

The invention relates to the technical field of dispensing valves, in particular to a two-component dispensing valve. The two-component dispensing valve comprises a valve body and a valve rod; an integrated connector is arranged at the lower end of the valve body and used for being connected with a static mixing pipe in a sealed manner; a vertical and through sliding cavity is formed in the valve body; the side face of the valve body is sequentially provided with air intake holes and feeding holes from top to bottom, the air intake holes and the feeding holes are communicated with the sliding cavity, the number of the air intake holes is two, and the number of the feeding holes is two; the valve rod slides in the sliding cavity in a sealed manner, glue solution channels are formed in the bottom of the valve rod, one ends of the glue solution channels can be matched with and communicated with the air intake holes and the feeding holes, and the other ends of the glue solution channels are used for outputting glue solution; the number of the glue solution channels is two; and the feeding holes are always in complete contact with the valve rod. The invention further provides a glue injection machine with the two-component dispensing valve and a using method of the glue injection machine, the glue injection, glue stopping and cleaning processes of the dispensing valve are achieved through the arrangement of the positions of the glue solution channels, the air intake holes and the feeding holes, the dispensing valve is simple in structure and convenient to use, and the cost is reduced.

The invention relates to the technical field of OLEDs, and discloses a bending gasket assembly, a flexible OLED module and OLED equipment. The bending gasket assembly comprises a flat liquid cooling pipe which is arranged corresponding to a screen bending supporting region of a product and two arc-shaped liquid cooling pipes which are both connected with the flat liquid cooling pipe on the two sides of the flat liquid cooling pipe respectively and are bonded with the side edges of a cover plate of the product; and the extending direction of the flat liquid cooling pipe is perpendicular to theextending direction of the flat liquid cooling pipe. According to the bending gasket assembly, since the cooling liquid circulates in the flat liquid cooling pipe and the two arc-shaped liquid coolingpipes, the heat dissipation performance of the bending gasket assembly can be enhanced, the situation that a drive chip of a product is damaged because the drive chip of the product gathers a large amount of heat is greatly reduced, the drive chip of the product is effectively protected, and the performance of the product is improved.

The invention relates to a full-automatic four-point assembling machine. The full-automatic four-point assembling machine comprises a base and an assembling machine body, wherein a feeding device is arranged on the base; the feeding device comprises a plurality of bearing rods arranged on the base, a bearing box arranged on the bearing rods, a plurality of falling channels communicated to the periphery of the bottom of the bearing box, a rotating shaft rotationally connected to the bottom of the bearing box, a bearing disc arranged at the end, away from the bottom of the bearing box, of the rotating shaft, a plurality of material collecting bins connected to the bearing surface of the bearing disc, discharging pipelines communicated to the bottoms of the material collecting bins and communicated with the falling channels, a driving assembly arranged at the bottom of the bearing box, and a feeding mechanism arranged on one side of the assembling machine body and used for automatically feeding to the material collecting bins. According to the full-automatic four-point assembling machine, the effect of automatically feeding to the assembling machine body can be achieved, so that the labor intensity of workers can be relieved, the situation that wrists of the workers are injured can be reduced, and then the production efficiency of sliders of zipper fasteners can be improved.

The invention discloses a solar photovoltaic panel supporting device for new energy sources, comprising a base, a chassis is fixed at the top center of the base, a supporting rod and a pillar are symmetrically fixed on one side of the top surface of the chassis, and grooves are arranged on one side outer surfaces of the two supporting rods near the top edge. In this invention, at first, by helically move that screw upward or downward, so that the screw sleeve drives the second telescopic rod to expand and contract, stretch the retaining frame outwards to a suitable distance, which is convenient to adjust the angle at which the photovoltaic panel receives light, Secondly, the motor drives the first bevel gear and the second bevel gear to be meshed and connected, so that the bearing of the surface wall in the chassis drives the strut and the support rod to rotate, so that the photovoltaic panel can fully receive solar energy, and the fixing frame is pushed inward so that the photovoltaicpanel is in a vertical state, the screw is screwed to the surface wall in the strut, and the engagement sleeve is connected with the fixing block, thereby reducing the occurrence of component damage.

The invention relates to the technical field of bamboo processing, and discloses a bamboo processing device based on mechanical transmission. The bamboo processing device comprises a workbench, the top of the workbench is fixedly connected with a supporting frame, the interior of the supporting frame is of a hollow structure, the supporting frame is in an inverted-L shape, and a moving groove is formed in the top of the workbench. According to the bamboo processing device based on mechanical transmission, bamboo penetrates through the interior of a first clamping plate, then a fixing plate enters the interior of the bamboo, meanwhile, due to the limitation of the internal space of the bamboo, the top end of a rotating plate rotates downwards and moves in a sliding groove, then the bamboo is fixed, a worker can more conveniently process and drill the bamboo, meanwhile, the bamboo is more stable and firmer during drilling and is not prone to deviation, and then the working environment is safer when the worker conducts drilling processing on the bamboo.

The invention discloses a non-woven fabric dust removal device based on static electricity and a dust removal method thereof, and relates to the technical field of dust removal devices. The non-woven fabric dust removal device based on static electricity comprises a transmission fixing frame, wherein a conveying mechanism is movably connected to the position, close to the bottom end, of the inner wall of the transmission fixing frame, a dust adsorption mechanism is fixedly connected to the position, close to the top end, of the inner wall of the transmission fixing frame, and the bottom end of the dust adsorption mechanism is movably connected to the outer wall of the conveying mechanism through the arranged transmission fixing frame. According to the non-woven fabric dust removal device based on static electricity and the dust removal method thereof, after non-woven fabric is fixed, dust on the non-woven fabric is adsorbed through the static electricity, the dust is collected at the position away from the non-woven fabric after the dust is adsorbed, the dust adsorption efficiency is high, the quality of the finished non-woven fabric is not affected, damage to the non-woven fabric is reduced, and the dust can be prevented from floating in the atmosphere to damage the health of workers.

The invention relates to a house building assembled I-beam hoisting device. The device comprises a lifting device, a locking device and two fixing devices, and is characterized in that the lower end of the lifting device is provided with the locking device, the left end and the right end of the locking device are symmetrically provided with the fixing devices, and the fixing devices are installedat the lower end of the lifting device in a sliding fit manner. According to the house building assembled I-beam hoisting device, the problem that during lifting, an existing hoisting device usually directly hoists an assembled I-beam in a hoisting process, in the hoisting process, the assembled I-beam is not fixed and limited, so that the I-beam may be prone to be caused to fall in the hoisting process, and therefore injuries a worker, an assembled steel structure beam column is usually fixed and limited by ropes, steel wire ropes and the like in the hoisting process, the fixing and limitingeffects are poor, and when the I-beam is manually fed, the process of fixing with the ropes is tedious, so that the hoisting efficiency of the I-beam is low is solved.

The invention discloses a transformer lightning arrester detection system, which comprises an industrial host, a switching line device and a detection assembly, and is characterized in that the detection assembly is composed of a full-automatic transformation ratio tester, a direct current resistance tester, a loop resistance tester, a capacity empty load tester and a direct current high voltage generator. According to the invention, the transformation ratio of the lightning arrester can be detected by arranging the full-automatic transformation ratio tester, the direct-current resistance of the lightning arrester can be detected by arranging the full-automatic transformation ratio tester, and the loop resistance of the lightning arrester can be detected by arranging the loop resistance tester. The capacity empty load of the lightning arrester can be detected by arranging the capacity empty load tester, and the detection system can be protected by arranging the direct-current high-voltage generator, so that the condition that the full-automatic transformation ratio tester, the direct-current resistance tester, the loop resistance tester and the capacity empty load tester are damaged is reduced; in conclusion, the system has the advantages of simple structure, rich functions and the like, and is easy to use.

The invention provides a PLC control-based ultrahigh-voltage cable laying device. The PLC control-based ultrahigh-voltage cable laying device comprises a cable reel and a cable reel rack, wherein thecable reel is rotatably arranged on the cable reel rack, a PLC variable frequency conversion cabinet and at least one group of driving device are arranged on the cable reel rack, the driving device isfixedly arranged at a lower end of the cable reel on the cable reel rack and drives the cable reel to rotate, and the driving device is electrically connected with the PLC variable frequency conversion cabinet. By the PLC control-based ultrahigh-voltage cable laying device, automatic rotation control of the cable reel is achieved, the defect of rotation by employing a crane and matching of a worker is solved, and the integral laying speed of the cable is increased.

The invention discloses a novel angle head tool machining device. The novel angle head tool machining device comprises a protection box, a supporting seat is fixedly installed on the left side of the top of the protection box, a main shaft is arranged in the interior of the supporting seat, the main shaft extends to the front face of the supporting seat and is fixedly provided with a rotating clamp, a reinforcing mechanism is arranged on the right side of the top of the protection box, a machining mechanism is composed of a Y-axis electric linear sliding rail, a Z-axis electric linear sliding rail, an X-axis electric linear sliding rail, a connecting seat, two supporting plates, a stepping motor, a rotating shaft, a tool apron, a first machining cutter, a second machining cutter and a third machining cutter, two supporting plates are arranged, and a recycling opening located between the supporting seat and the Y-axis electric linear sliding rail is formed in the top of the protection box. According to the novel angle head tool machining device, limitation can be carried out on one end, away from the rotating clamp, of a workpiece through mutual cooperation of a supporting shaft and a rotating disc, and therefore the stability of the workpiece in the rotating process can be improved, the situation that the workpiece deviates is reduced, and the precision of the machining device can be improved.

The invention discloses a mechanical claw device for an intelligent robot, and belongs to the technical field of robots. The mechanical claw device for the intelligent robot comprises a mounting plate, a movable groove is formed in the outer surface of the lower end of the mounting plate, screws are arranged inside the movable groove, and a sleeve is arranged between the two screws; a rotary groove is formed in the center position of the top end of the inner surface of the movable groove, rotary shafts are rotatably mounted on two sides of the inner surface of the rotary groove, motors are fixedly mounted on the outer surfaces of one ends of the rotary shafts, and rotary teeth fixedly sleeve the middle positions of the outer surfaces of the rotary shafts; and a plurality of teeth are fixedly mounted on the outer surface of the sleeve, the teeth are arranged on the outer surface of the sleeve in a ring shape, the rotary teeth are connected with the teeth on the sleeve in a meshed mode,the two screws are separately and rotatably mounted at two ends of the sleeve, one ends, away from the sleeve, of the screws are rotatably connected with the inner side surface of the movable groove.Through the relative movement of fixed plates, two clamping plates can be driven to move relative to each other to grasp some objects, the structure is simple, and users can conveniently operate.

The invention relates to the technical field of circuit board processing, in particular to an automatic loading and unloading device. The driving part drives the feeding frame to move along the machine frame to load hot-pressing products on the conveying rail, the pushing mechanism pushes the hot-pressing products on the feeding station, synchronous feeding and discharging of the multiple hot-pressing products can be achieved, efficiency is effectively improved, and the automatic feeding and discharging device is compact in structure and small in occupied space; a plurality of feeding stations for loading hot-pressed products are arranged on the feeding frame, so that the situation that the hot-pressed products are damaged in the conveying process can be reduced; the driving component drives the feeding frame to move along the machine frame, transverse vibration of the feeding frame can be effectively avoided, and the stability of the hot-pressing product conveying process is improved.

The invention discloses an anti-overload control device for hoisting equipment, and relates to the technical field of hoisting equipment. The anti-overload control device for the hoisting equipment comprises a protection box, a limiter body is fixedly connected to the interior of the protection box, a first baffle is rotationally connected to the left side of the protection box, a perspective window communicating with the interior of the protection box is formed in the left side of the first baffle, and a fixing groove is formed in the bottom of the first baffle. According to the anti-overload control device for the hoisting equipment, through mutual cooperation of the first baffle and the protection box, the limiter body can be better protected, and the situation that the limiter body is damaged due to the fact that external objects collide with the limiter body and pollutants such as dust in the external environment enter the limiter body is reduced to a certain extent; therefore, the service life of the limiter body is prolonged to a certain extent, and the limiter body can more smoothly carry out anti-overload control on the hoisting equipment.

The invention discloses a method and a system for processing vibration data and impact data. The method and the system are applied in a vibration and impact recorder, wherein the vibration and impact recorder is provided with two vibration sensor chips and two cache chips; the first vibration sensor chip acquires vibration data; the second vibration sensor chip acquires impact data. In a tested equipment experiment or transportation process, the first vibration sensor chip and the second vibration sensor chip work simultaneously and store the respectively acquired data into the corresponding cache chips, and a micro control unit analyzes the vibration data and the impact data acquired at the current time to judge the current event. The event probably occurring in the tested equipment experiment or transportation process is not required to be pre-estimated, under the condition of an accident, the comprehensiveness and the accuracy of the experiment data can also be guaranteed, and meanwhile, the phenomenon that tested equipment is damaged and the damage cannot be restored is effectively reduced.

The invention relates to a tufting machine for producing a ground elastic lawn. The tufting machine comprises a rack, a cloth supporting plate, a needle seat, a plurality of needles, a main hook base, main hook knives, an auxiliary hook base and auxiliary hook knives; the needles are fixed on one side, close to the cloth supporting plate, of the needle seat at equal intervals; a plurality of cloth supporting plate holes for the needles to penetrate through are formed in the cloth supporting plate and matched with the positions of the needles; the auxiliary hook base is arranged below the cloth supporting plate; the number of the auxiliary hook knives is the same as that of the needles, and the auxiliary hook knives are fixed to the side, close to the cloth supporting plate, of the auxiliary hook base at equal intervals; the main hook base is arranged below the cloth supporting plate in parallel, and the multiple main hook knives are matched with the auxiliary hook knives and fixed to the side, close to the auxiliary hook base, of the main hook base; and the tufting machine further comprises a needle seat driving mechanism, a main hook driving mechanism, an auxiliary hook driving mechanism and a main driving mechanism. When the tufting machine is used, the auxiliary hook knives are used for hooking the yarns on the previous needle of the main hook knives while the main hook knives hook the yarns falling on the needles below the cloth supporting plate, so that upward movement of the yarns is effectively reduced, the height of woven ground elastic lawn is consistent, and the carpet surface is smoother.

The invention belongs to the technical field of projectors and relates to a light shielding safety device. The device comprises a shell, a light source arranged in the shell and a reflecting prism arranged in the shell; a receding groove for light to pass through is formed in the shell; a shielding device is arranged in the shell; and the shielding device comprises an installation frame installed in the shell, a shielding plate used for shielding light and a driver used for driving the shielding plate to rotate, the driver is arranged on the installation frame, the shielding plate is installed on the driver, and when the driver drives the shielding plate to rotate to the reflecting prism, so that the light is shielded. With the light shielding safety device adopted, the situation that the eyes of a worker are injured by a projector can be reduced.

The invention belongs to the technical field of massage equipment, and particularly relates to a control method and a device of massage equipment, the massage equipment and a storage medium. The control method of the massage equipment is applied to the massage equipment, the massage equipment comprises a tension sensor and an electrode assembly used for outputting an electric pulse signal, and the method comprises the steps that when an electrode assembly of the massage equipment outputs the electric pulse signal, a tension value applied to the skin of a user by the electrode assembly is acquired through the tension sensor; and when the tension value is greater than a tension threshold, a target event is executed. The use experience of the user can be improved.

The invention provides a fertilizer scattering machine suitable for various terrains. The fertilizer scattering machine comprises a chassis, wherein a handle is arranged at one end of the chassis, and bottom wheels are fixed under the chassis; a main machine is arranged on the chassis at the side close to the handle, a fan is fixed at the other side, and the main machine and the fan are connected through a triangular belt; a fertilizer box is arranged at the top end of the fan, a fertilizer delivery pipe is arranged below the fertilizer box, the lower end of the fertilizer delivery pipe is communicated with the fan, two reverse wheels, namely a reverse wheel I and a reverse wheel II, are arranged at the communicated part of the fertilizer delivery pipe and the fan; a fertilizer discharge pipe is arranged at the lower end of the connected part of the fan and the fertilizer delivery pipe; the fertilizer scattering machine further comprises a slideway which is positioned between the main machine and the chassis. The fertilizer scattering machine provided by the invention is concise and light and convenient in structure and suitable for various terrains. When the fertilizer scattering machine enters a field, the soil is not compacted, and the looseness and breathability of soil is not damaged; the condition that crops are damaged is greatly reduced.

The invention discloses a method for controlling a switching signal based on EVT combinational logic, which comprises the steps of setting T parameters, setting AL parameters and setting IS parameters, performing combinational logic operation by taking the T parameter setting, the AL parameter setting and the IS parameter setting as one of EVT condition signals, and performing action control on an EVT. Compared with a common relay switch control method, the control conditions are more, and the control modes are more diversified. Meanwhile, the control conditions can be set, so that the same condition is flexible and changeable and is not rigid like a traditional control mode, and working requirements under various complex conditions can be better met. Through a combinational logic mode, the control is more precise, and through addition of debugging parameters such as delay return difference, a relay works more stably and safely, so that the situation of damage to equipment is greatly reduced, and the service life of the equipment is prolonged.

The invention discloses a semiconductor structure and a forming method of the semiconductor structure. The gate structures are arranged on the substrate in parallel; the source-drain doped regions are positioned in the substrate at two sides of each gate structure; the side wall structure is located on the partial side wall of the gate structure, and the top surface of the side wall structure is lower than the top surface of the gate structure; the conducting layer is located on the source-drain doped region, and the conducting layer and the gate structure are isolated by a side wall structure; and the barrier layer is positioned on the conductive layer and the side wall structure. The barrier layer and the side wall structure in the semiconductor structure can jointly protect the top surface and the side wall surface of the conductive layer, and damage to the conductive layer is reduced.

The invention provides a semiconductor structure and a manufacturing method thereof, a semiconductor device and a chip. The semiconductor structure comprises a semiconductor substrate and a dielectriclayer on the semiconductor substrate, a via hole in the dielectric layer, a metal interconnection line formed in the via hole, and a cobalt-containing capping layer on the metal interconnection line.The manufacturing method of the semiconductor structure comprises the steps that a semiconductor substrate and a dielectric layer on the semiconductor substrate are provided, and a via hole is formedin the dielectric layer; metal is deposited in the via hole to form a metal interconnection line; the metal interconnection line is ground to a position below the surface of the dielectric layer; a cobalt-containing capping layer is selectively deposited over the metal interconnection line such that the cobalt-containing capping layer is over the metal interconnection line. The cobalt-containingcovering layer is selectively formed on the metal interconnection line, stress migration and electromigration are loaded by the cobalt-containing covering layer, charges in the metal interconnection line are effectively prevented from being migrated into the dielectric layer, the situation that the metal interconnection line is damaged due to stress migration or electromigration is reduced, and the reliability of the device is improved.