84results about How to "Meet the versatility" patented technology

The invention discloses a robot monocular guidance method and system for sorting scattered parts at random. The robot monocular guidance method for sorting scattered parts at random includes an automatic calibration process for determining a positional relationship between a camera, a camera picture, and the tail end of a robot mechanical arm; an automatic training process for extracting and training the closed contour features of a template of a target part; and an automatic sorting process for sorting and guiding the scattered parts in real time by the extracted template obtained in the automatic training process.

The invention relates to a diesel engine in-cylinder spraying and combustion visualization testing apparatus and testing method. The testing apparatus is mainly composed of a digital CCD camera, a computer image acquisition and processing system, a nitrogen cylinder, a pressure stabilizing barrel, a compressed air bottle, a pressure reducing valve, a light-emitting unit, an angle marking instrument, a frequency multiplier, a stroboscopic gun, a diesel engine test cylinder, an endoscope and a stroboscope. During testing, an optical system top head center corresponding to a mechanical top head center of a diesel engine is found out; initialization parameter setting is carried out; dynamic spraying image collection and in-cylinder combustion dynamic shooting are carried out; collected image processing is carried out by using system software of the computer image acquisition and processing system; and then the collected image is processed by using the system software of the computer image acquisition and processing system. According to the invention, with the visualization testing apparatus and testing method, the basis can be provided for the research of improvement of diesel engine air-intake organization, spraying and combustion chamber structure; the accuracy of the apparatus is high; and the operation is convenient.

The invention relates to a logic control unit and a logic control method for trains. The logic control unit (LCU) adopting a hot standby redundant design comprises an input module, an output module and at least two redundant designed master control modules, wherein the output end of the input module is respectively connected with each master control module, and the output end of each master control module is connected with the output module; the input module is used for collecting input direct current voltage information and transmitting to the master control module; the master control modulesare used for acquiring direct current voltage signals, calculating to generate a load-driving control signal and transmitting to load through the output module; and the input module, the output module and the master control modules can be configured into a double 2-vote-2 redundant structures. Each module of the system brings own self-diagnosis circuit, failure diagnosis and redundant switching of each redundant circuit can be realized, and the system reliability can be improved; and the system is configured into to double 2-vote-2 structure, the system safety can be further improved.

The invention relates to a battery box fixing device comprising a bottom frame, wherein a pair of parallel straight-line tracks is fixed on the bottom frame; the upper end surface of each straight-line track is provided with track rollers used for being contacted with the battery box; and one end of the pair of the straight-line tracks is provided with a limiting plate used for limiting the battery box. The straight-line tracks with rollers are utilized for carrying the battery box and guide rails fixed at the bottom of the battery box are utilized for limitation long the direction which the tracks face rightly. The fixed end of the battery box fixing device is provided with the limiting plate for retaining the battery box; and the limiting plate is provided with limiting holes for inserting the guide rails, therefore, the battery box fixing device can not only allow different models of battery boxes to be fixed on the guide rails, but also play a role of stabilizing the guide rail and the battery box.

The invention discloses a task processing method for a task platform. The task processing method comprises following steps: receiving a setting request for task conditions sent by a target account; providing a task setting interface according to the setting request for task conditions; receiving task information inputted in the task setting interface by the target account, wherein task information comprises a target application, an application server interface corresponding to the target application, and at least two pre-set subtask conditions and mission rewards corresponding to all subtasks; randomly generating target applications and task identifiers corresponding to subtasks or according to the pre-set configuration rule; and generating pre-set tasks according to task information and task identifiers. The invention further discloses a task processing device for the task platform. The task processing method for the task platform has following beneficial effects: different task conditions and different task rewards are configured for every different application; and universality and flexibility of configuration of task conditions are achieved.

The invention relates to a double-robot collaborative curve welding planning method based on line structured light vision. The method comprises the following steps of firstly, calibrating a relative pose relationship matrix of each part of a double-robot collaborative welding system, extracting image characteristics of a curve welding seam point group through line structured light stripe image processing of a measured welding seam, and establishing a three-dimensional structure characteristic model of a welding seam curve and curved surfaces at two sides of the weld curve. According to the characteristic model, a transformation relation of a welding seam discrete control point differential rotation motion vector between a main robot base coordinate system and a tail end coordinate system is established to obtain a main robot joint angle minimum norm solution sequence, and a slave robot joint angle sequence for realizing welding seam tracking is obtained through a main and slave robot closed-loop motion chain. The method solves the problems of main robot ship-shaped welding process planning and slave robot welding gun posture control, can comprehensively describe the structural characteristics of the curve welding seam through line structured light vision detection under the condition of not depending on the specific size and shape of the curve welding seam, and achieves double-robot collaborative welding planning meeting the ship-shaped welding requirement.

The invention discloses a zoom projection fish-eye lens generally used for a digital projector, which comprises a front main tube of a lens, a zoom tube of the lens, a compensation tube of the lens, a rear main tube of the lens, a front fixed mirror group, a zoom mirror group, a compensation mirror group, a rear fixed mirror group and an aperture diaphragm, wherein the front fixed mirror group, the zoom mirror group, the compensation mirror group, the rear fixed mirror group and the aperture diaphragm are coaxially arranged on the positions of the front main tube of the lens, the zoom tube of the lens, the compensation tube of the lens and the rear main tube of the lens. The zoom structure mode of the zoom projection fish-eye lens disclosed by the invention is a mechanical compensation method positive-group zoom and negative-group compensation mode designed by a ''non-object-image exchange principle''. Two cam curves followed by the zoom mirror group and the compensation mirror group are both constructed into standard spiral lines. According to the zoom projection fish-eye lens generally used for the digital projector, which is disclosed by the invention, two standard spiral lines with a regular lead are used as the cam curves of the zoom mirror group and the compensation mirror group, so that the production difficulty and the assembling and adjusting difficulty are lowered, and the stability of a lens structure and the regulation smoothness are improved. The zoom projection fish-eye lens generally used for the digital projector is favorable for mass production and can be used for common 1LCD (liquid crystal display), 3LCD or 1DMD (digital micro-mirror device)-type digital projectors with chips of different sizes and different chip length-width ratios.

The invention discloses an OSGI-based universal data conversion engine system and solves the problem that the existing system integration technology is poor in universality. The system comprises a Jave basic platform module, an OSGI basic framework module, an external interface module, and a plurality of service function modules. The service function modules include a data conversion thread management module, a data conversion service module, and a data template management module. The data conversion service module is used for receiving data packets through an input interface and loading a data matching and recognition engine in an independent data conversion thread, the data matching and recognition engine analyzes the data packets in the data conversion thread, loads corresponding data conversion templates and converts the data packets into corresponding formats, and after format conversion is output, obtained data is transmitted to an output interface.

The invention discloses an online water and soil conservation monitoring device and method. The device comprises a main rod, a brazing sensor and a soil moisture sensor, wherein the main rod is equipped with a rainfall sensor, a wind speed sensor, a video monitoring module, a solar module, a wind direction sensor, a humiture sensor, an antenna module and a data acquisition sending circuit module, output ends of the brazing sensor, the soil moisture sensor, the rainfall sensor, the wind speed sensor, the video monitoring module, the solar module, the wind direction sensor and the humiture sensor are connected with the data acquisition sending circuit module, and the data acquisition sending circuit module is connected with the antenna module. The device is advantaged in that the water and soil conservation monitoring work is combined with the modern test technology and the communication technology, water and soil loss influence factor and water and soil loss amount index monitoring apparatuses are integrated and are mounted in the projection field, fixed-time monitoring is carried out, the monitoring result is displayed in the field and is transmitted in a remote mode, and problems of time and effort consuming and large measurement error existing in a traditional monitoring method can be avoided.

The invention relates to a graphene 3D printing wire rod and a preparation method thereof. The graphene 3D printing wire rod comprises functional graphene powder and thermoplastic resin. The preparation method comprises pouring thermoplastic resin powder into a width-adjustable metal mold cavity, carrying out stricking and heating to obtain a melt film base, spraying the functional graphene powder into the film base by a micropowder injection method, carrying out primary cooling and demolding to obtain graphene wire rod preforms with different widths, assembling the preforms in an order, putting the assembled body into a metal mold with a hole, carrying out extrusion under heating conditions so that the preforms deform and are fused, and carrying out secondary cooling to obtain the graphene 3D printing wire rod. The graphene 3D printing wire rod has good mechanical properties, conductive performances and flexibility and can easily realize large scale production and cost control.

The invention discloses a centrifugal self-priming pump. Compared with a traditional method, the pump flow, delivery lift and auxiliary power can be changed, the self-priming time can be shortened, and the pump efficiency can be improved by only cutting the external diameter size of an impeller blade in the pump without particularly changing the size of a volute tongue of a pump body. The centrifugal self-priming pump is characterized in that the pump body is provided with a particularly-designed volute tongue, and an arc length on the volute tongue, which is parallel to the external diameter of the impeller blade, is equal to 1.6-2 times of that of the external diameter of the impeller blade. The performance characteristics of the pump flow, delivery lift and auxiliary power can be changed within certain ranges by only cutting the external diameter size of the impeller blade without cutting the external diameter sizes of a front cover plate and a rear cover plate of a pump impeller, simultaneously turning the thickness of the parts of the front cover plate and the rear cover plate which are not provided with the blade, widening a peripheral bladeless runner by 3-8 millimeters, and controlling the distance between the external diameter of the front cover plate and the rear cover plate of the pump impeller and a parallel arc on the volute tongue to be 0.5-1 millimeter.

Disclosed are a light high-mobility long-distance water supply fire-fighting method and system. The method includes the following steps that (1) a fire pumper, a water hose laying fire-fighting truck and a water monitor fire-fighting truck are arranged, the fire pumper is parked around a water source far from the scene of a fire, the water monitor fire-fighting truck is parked in a place needing water supply, and the water hose laying fire-fighting truck is parked beside the fire pumper; (2) the water hose laying fire-fighting truck lays a water hose between the fire pumper and the water monitor fire-fighting truck, one end of the water hose is connected with a floating type immersible pump of the fire pumper, and the other end of the water hose is connected with a water conduit of the water monitor fire-fighting truck; (3) the floating type immersible pump is put in the water source, water is ceaselessly conveyed to the water monitor fire-fighting truck through the water hose, the water is discharged through a vehicle-mounted fire pump in two ways, one way of water is discharged through a fire water monitor, and the other way of water is discharged through a fire water branch connected to a water outlet pipe; (4) after the fire is put out, the water in the water hose is completely discharged through the fire pumper, and the water hose laying fire-fighting truck performs mobile rolling-up on the water hose; and (5) after the operation is finished, remained water in a pipeline system of the water monitor fire-fighting truck is completely discharged.

The invention aims to provide a driving device for underwater hydraulic mechanical arm joints. The driving device is composed of a hydraulic driving portion, a position detection portion and a front joint and rear joint connection portion. The position detection portion and the hydraulic driving portion are achieved through connection of a driving rotor output shaft. The hydraulic driving portion is composed of a driving rotor assembly and a driving stator and located through supporting of a left rolling bearing and a right sliding bearing, and a sealing O-shaped ring and a sealing Glyd ring are adopted for preventing leakage. The driving rotor assembly is composed of a driving rotation shaft, a driving rotor, a rotor sealing Glyd ring, a rotor O-shaped sealing ring and a driving rotor right end cover. The rotor is installed on the driving rotation shaft in a fastening mode. The surface, making contact with the end cover, of the rotor is painted with sealant. The inner hole of the right end cover is painted with sealant and installed on one side of the rotor, the rotation shaft, the rotor and the rotor right end cover are locked through rotor pre-tightening screws, and therefore the whole assembly is formed. The driving device is suitable for driving the joints of an underwater operation mechanical arm.

The invention provides a household portable fructus jujubae pit removal machine which comprises an indexing disc gear, positioning mold sleeves, an incomplete gear, a pit removal rod, a pulp removal rod and the like. Fructus jujubae can be manually placed in the positioning mold sleeves when the household portable fructus jujubae pit removal machine works, the positioning mold sleeves can be placed in the indexing disc gear, and the indexing disc gear can be driven by the incomplete gear to intermittently rotate. The incomplete gear rotates by angles of 96 degrees, and the indexing disc gear rotates by angles of 36 degrees and enters a next station; the incomplete gear continues rotating by angles of 264 degrees, the indexing disc gear stops, and one-step travel can be completed by the pit removal rod and the pulp removal rod; nine pieces of fructus jujubae can be processed when the indexing disc gear rotates by a circle, and one-step work stroke can be completed. The overall dimension of the household portable fructus jujubae pit removal machine is X230 mm. The household portable fructus jujubae pit removal machine has the advantages that family fructus jujubae pit quick removal requirements can be met by the household portable fructus jujubae pit removal machine, and the household portable fructus jujubae pit removal machine is good in safety performance, reasonable in structure and small in occupied space and can conveniently move.

The application discloses an on-line monitoring system for an automobile engine, comprising: a data acquisition module, a data processing module, an exhaust fluctuation signal database, a pattern recognition module, an analog-to-digital converter, a control module, a circular linked list, a memory module and a diagnosis module. This application is interconnected with other automotive electronic control systems such as the engine centralized controller through bus technology, and becomes a unit of the automotive internal network; this system can not only be used as a powerful tool for engine optimization control, but also can be used for other types of vehicles through software transplantation. Engines and different applications; the system interface type can be set according to requirements, thus making the system more versatile, and has long-term application prospects in internal combustion engine fault diagnosis, optimal control and noise control of automotive engines.

The invention discloses a pressure test structure for a long bored cast-in-situ pile and a test method. The pressure test structure comprises a toroidal main reinforcement fixed on the cast-in-situ pile, a plurality of soil pressure box protecting and fixing devices arranged on the outer side of the main reinforcement, and a plurality of soil pressure box fixing device inter-connecting parts used for fixedly connecting every two adjacent soil pressure box protecting and fixing devices, wherein each soil pressure box fixing device inter-connecting part is locked and fixed on the outer side of the main reinforcement by a positioning and locking device; and a soil pressure box is mounted in each soil pressure box protecting and fixing device, and when the cast-in-situ pile is cast and formed in a deep and long drilling hole, the soil pressure boxes are kept in reliable contact with the outer wall surface of the cast-in-situ pile and soil around the cast-in-situ pile. The pressure test structure is easy to implement, simple to operate, favorable in effect, low in manufacturing cost and wide in application range.

The invention discloses an accelerator control system and method in a man-machine co-driving mode of an automobile and belongs to the technical field of automobile manufacturing. The system is characterized in that a signal input end of an accelerator central control unit of the system is respectively and correspondingly connected with a signal output end of an accelerator pedal sensor, a signal output end of an automatic driving controller and a signal output end of a man-machine co-driving mode switch, a signal output end of the accelerator central control unit is correspondingly connected with a signal input end of an engine control unit, a signal output end of the engine control unit is correspondingly connected with a signal input end of a gearbox control unit and a signal input end of a fuel injector electromagnetic valve, and a signal output end of the gearbox control unit is connected with a gearbox through a driving unit. The system is advantaged in that problems that in an automatic driving mode of a vehicle with both manual driving and automatic driving, due to the fact that a gearbox clutch cannot be engaged, an engine idles, and the vehicle cannot run can be solved.

The invention discloses an automobile man-machine co-driving mode brake control system and a control method and belongs to the technical field of automobile manufacturing. The system comprises a brake-by-wire central control unit and a pedal travel switch connected with a brake through a brake control unit, wherein an input end of the brake-by-wire central control unit is correspondingly connectedwith output ends of the man-machine co-driving mode switch and an automatic driving controller, a relay and a pedal travel switch are sequentially connected between a relay power supply control end of the brake-by-wire central control unit and a loop ground end of an engine control unit, a switching signal sampling end of the engine control unit is connected with a common contact end of the relay, and the engine control unit is connected with a gearbox through a gearbox control unit. The system is advantaged in that a problem that the vehicle cannot be stably braked according to the requesteddeceleration in the automatic driving mode of the existing vehicle with both manual driving and automatic driving can be solved.

The built-in smoke exhausting and ventilating connection assembly includes preset part, wall decorative part, decorative part outside wall and decorative wind guide part. The preset part is built in wall and the other parts are set on two sides of the preset part; and there is some optional connection part for exhausting smoke or ventilating on the inner side of the preset part. The present invention has the integral functions of connection, installation, deocration and water preventing and the use of the assembly can avoid the re-construction in the wall and maintain the integrality of wall.

The invention discloses a character processing method and system, a readable storage medium and computer equipment, and the method comprises the steps: obtaining an original character image, searching a target position of a to-be-restored character in the original character image, taking the target position as a center, intercepting an area with preset-size pixels, and obtaining a first to-be-restored character image; identifying an original character height in the first to-be-restored character image, creating a blank image having the same size as the first to-be-restored character image, and inputting to-be-restored characters having the same height as the original character in the blank image to obtain a second to-be-restored character image; inputting the first to-be-repaired character image and the second to-be-repaired character image into a trained generative adversarial network model to obtain a target image, the generative adversarial network model being used for migrating a character style in the first to-be-repaired character image to the second to-be-repaired character image; and extracting to-be-restored characters in the target image, and copying the to-be-restored characters to the target position.

The invention is an engine arm synchronous rotation structure and an industrial unmanned aerial vehicle with the engine arm synchronous rotation structure, relates to the technical field of industrialunmanned aerial vehicles, and solves the technical problem that the disassembly of the unmanned aerial vehicle wastes operation time. The engine arm synchronous rotation structure comprises a frame body structure, auxiliary transmission mechanisms, a main transmission mechanism, engine arm bodies, and a locking mechanism; the main transmission mechanism is arranged in the middle of the frame bodystructure and is used for simultaneously controlling all the auxiliary transmission mechanisms to rotate in a driving manner; one ends of the engine arm bodies are used for connecting rotor wings, and the other ends are fixedly connected with a group of auxiliary transmission mechanisms; the frame body structure and the engine arm bodies have a folding state and an unfolding state, and the locking mechanism is used for keeping the frame body structure and the engine arm bodies in the folding state or the unfolding state. The engine arm synchronous rotation structure and the industrial unmanned aerial vehicle with the engine arm synchronous rotation structure have the advantages that the operation is fast, no complicated disassembly steps are needed, the operation time is saved, and convenient accommodation and storage are realized.