39results about How to "Reduce preparatory work" patented technology

The invention discloses a vehicle locating method based on matching of road surface image characteristics. The vehicle locating method based on the matching of the road surface image characteristics comprises the steps of determining geographical coordinates of an initial position of a vehicle, shooting road surface images in real time in the traveling process of the vehicle, carrying out dogging processing on two shot current continuous frames of the road surface images in sequence, carrying out matching on the two continuous frames of the road surface images processed through the dogging in real time to obtain matching dot pairs of the two continuous frames of the road surface images, carrying out vehicle location on the vehicle according to the obtained matching dot pairs, judging whether the current two frames of the images are the last two frames or not, ending the process if the current two frames of the images are the last two frames, and otherwise repeating the steps. According to the vehicle locating method based on the matching of the road surface image characteristics, the road surface images only need to be collected in real time in the traveling process of the vehicle, and matching is carried out on the two continuous frames of the road surface images so that automatic vehicle location can be achieved; the method is not prone to interference, high in location precision and capable of saving time and labor due to the fact that the time-consuming and labor-consuming link of collecting all-dimensional street scenes in advance in an existing locating method is saved.

The invention relates to a maintaining and energy-saving method for a blowout stand-by boiler, which comprises the following steps: after the boiler steps out, reserving a fire bed; after the boiler is naturally cooled, when the exit temperature of the furnace chamber drops to 100 DEG C or so, the drum pressure is 0.05-0.1 MPa and the water level is kept within the range of drum central line +/-30mm, carrying out maintenance: carrying out water-side maintenance and vapor-side maintenance, and restarting the blowout stand-by boiler every 24 hours, wherein every time the restarting operation is finished, the opening of the fume outlet baffle is controlled at 10%, and the furnace chamber draft is adjusted to the minimum. The method provided by the invention well overcomes the defects in the prior art. The test proves that the method has favorable application effect and has the characteristics of quick start of the blowout stand-by boiler, favorable maintenance effect and obvious energy-saving effect.

The invention provides a concealed pipeline visualization system and method based on augmented reality technology. It can merge the buried paths, laying methods and various kinds of information of various municipal and electric power engineering, such as strong and weak electricity, water supply and drainage, natural gas, communication lines and so on, into the real environment in a visual way, and realize the real-time interaction between the staff and the visual information. When the worker puts on the display device, the real object can be tracked in real time and presented on the display device at the same time with the virtual scene. When the user moves, the relationship between the real object and the virtual object in the position and direction can be updated in real time. AR technology can greatly shorten the preparatory work of the construction, shorten the construction period, reduce the power outage, water outage, communication interruption time and labor costs, and effectively avoid the risk of damage to various types of underground municipal pipe network equipment, so that intangible economic benefits are enormous.

The invention provides an ultrashort pulse time overlap degree measurement device and a method in a CARS microscopic imaging system. The ultrashort pulse time overlap degree measurement device in theCARS microscopic imaging system comprises a femtosecond laser (1), a Stokes light pulse optical path, a pump light pulse optical path, a spectrum analyzer (12), a focusing objective lens (15), a three-dimensional electronic control object stage (16), a collection objective lens (17), a short pass filter (18) and a signal detection and data processing system ( 19). The ultrashort pulse time overlapdegree measurement method in the CARS microscopic imaging system comprises the following steps: calculating the relative time delay, namely the same path delay between the residual pump light pulse and a light soliton used as the Stokes light; according to the interference spectrum oscillation intensity of the residual pump light pulse and the pump light pulse, determining the time delay of the adjustable space optical time delay line, namely the asynchronous time delay, required when the residual pump light pulse and the pump light pulse overlap; and estimating the time overlap degree of ultrashort pulses in the CARS microscopic imaging system when the adjustable space optical time delay line is adjusted according to the same path delay and the asynchronous time delay. According to the ultrashort pulse time overlap degree measurement device and method in the CARS microscopic imaging system, closed-loop feedback control of ultrashort pulse time overlap in the CARS microscopic imagingsystem is facilitated, and the measurement efficiency is improved.

The invention discloses a rapid cable winding device in the technical field of electric power engineering. The rapid cable winding device comprises a base and a winding wheel, wherein a first supporting plate and a second supporting plate are fixed to the two sides of the top of the base respectively, a supporting member penetrates through the interior of the first supporting plate, a positioningframe is arranged on the inner side of the second supporting plate, and a winding motor is arranged on the outer side wall of the second supporting plate. A fixed through hole and a long groove are formed in the outer wall of the winding wheel, the interior of the long groove is in sliding connection with a connecting block, a fixed clamping plate is fixed to the side, close to the fixed through hole, of the inner wall of the winding wheel, and a movable clamping plate fixedly connected with the connecting block is arranged on the other side of the fixed through hole; and a fixing block is fixed to the end, far away from the movable clamping plate, of the inner wall of the winding wheel, and compression springs are uniformly connected between the fixing block and the connecting block. According to the rapid cable winding device, the winding wheel is installed between the supporting member and the positioning frame, assembly and disassembly are rapid to achieve, the fixing efficiency ofone end of a cable is high, the early-stage preparation work of cable winding is greatly saved, and therefore the working efficiency of the cable winding is improved.

The invention discloses a water suffocating hole-free casting process for a cylinder cover of a single cylinder diesel engine and a sand core for the casting process. The casting process comprises the following steps: 1, manufacturing an upper mold, a lower mold and the sand core, and coating the outer surface of the sand core with a low-gas-evolution coating; 2, manufacturing a core support, and mounting the core support at the gravity position on the upper plane of the sand core, wherein a gas discharging hole is formed in the center of the core support, the lower half part of the core support is arranged in the sand core, and the gas discharging hole in the center of the core support is communicated with the sand core to discharge gas in the sand core; 3, arranging waterway feet on the bottom surface of the sand core, and mounting gas discharging needles for discharging gas on the waterway feet and into the sand core; 4, mounting the sand core in the lower mold, and closing the upper mold to enable the inner surface of the upper mold to be attached to the upper plane of the core support; and 5, casting molten iron into the upper mold and the lower mold which are closed by virtue of a casting head. The positioning function of an original water suffocating hole is achieved by the core support, so that the process is simplified, the production efficiency is improved, and a great amount of time and fund investment are saved.

The invention provides a concealed pipeline visualization system and method based on hybrid reality technology. It can merge the buried paths, laying methods and various kinds of information of various municipal and electric power engineering, such as strong and weak electricity, water supply and drainage, natural gas, communication lines and so on, into the real environment in a visual way, and realizes the real-time interaction between the staff and the visual information. When the worker puts on the display device, the real object can be tracked in real time and presented on the display device at the same time with the virtual scene. When the user moves, the relationship between the real object and the virtual object in the position and direction can be updated in real time. MR technology can greatly shorten the preparatory work of the construction, shorten the construction period, reduce, cut off water, communication interruption time and labor costs, and effectively avoid the riskof damage to various types of underground municipal pipe network equipment, so that the intangible economic benefits are enormous.

The invention discloses an integrated natural gas pipeline pressure test gas supply device. The integrated natural gas pipeline pressure test gas supply device comprises a gas inlet pipeline, a gas supply pressure control part, a gas outlet pipeline and a control cabinet which are sequentially connected in series; an inlet pressure transmitter, a filter, an electric heater and a heating temperature transmitter are sequentially connected to the gas inlet pipeline in the gas flow direction, the gas supply pressure control part is formed by connecting multiple gas supply pipelines with gas supply pressure limit values progressively increased and a bypass in parallel, and an outlet pressure transmitter, an outlet temperature transmitter and an outlet adjusting valve are arranged in the gas outlet pipeline sequentially in the gas flow direction. The control cabinet is electrically connected with the inlet pressure transmitter, the heating temperature transmitter, the outlet pressure transmitter, the outlet temperature transmitter, a combustible gas alarm device, an entrance guard, a draught fan and valves used for opening gas supply pipelines. According to the technical scheme, the intelligence degree is high, manpower cost is saved, and the experiment period is effectively shortened.

The invention discloses a multi-laser radar autonomous networking system based on adaptive registration, a method and a terminal, and relates to the technical field of network construction and network information processing. A plurality of laser radars are adopted to carry out registration and fusion on point cloud images of different radars by using a point cloud registration algorithm, and point cloud registration adopts 4PCS to carry out coarse registration and Trimmed ICP to carry out fine registration, so that the laser radars in the same indoor environment automatically establish a radar network, and a fused indoor environment point cloud is obtained. Data are stored locally and in the cloud simultaneously, and a user changes corresponding registration parameters or obtains original point cloud data through the cloud. The invention relates to the multi-laser radar autonomous networking system based on adaptive registration, which is designed for home-based care projects. A user can remotely check the condition of the laser radar network in the living room of the old and the point cloud image of the indoor environment. Through the radar network and environment point cloud data, the user can use the method in further design and use of home-based care projects.

The invention discloses a point-suction-type facing tile for building exterior application and a bonding method thereof, and belongs to the technical field of buildings. By means of the point-suction-type facing tile and the bonding method thereof, the traditional bonding face can be replaced with a multi-point suction means, and a large amount of early-stage preparation work is omitted. During on-site bonding, what is needed is to simply paste and press the tile in the direction perpendicular to a to-be-paved area according to the paving and bonding sequence and direction, and then through the cooperation of vacuum suction and an annular self-repairing bonding face, the facing tile is bonded. On one hand, under the combined effect of bonding force and suction force, the facing tile is fixed; and on the other hand, under the sealing effect of the annular self-repairing bonding face, the vacuum suction effect is maintained in turn, so that the bonding strength and the service life of the facing tile meet the standard and requirement, and the construction time is greatly shortened. There is no need to adopt professional tools or media for bonding, the bonding efficiency is improved,the construction environment is improved, besides, the construction difficulty is lowered, and the point-suction-type facing tile is very environmentally friendly and is of great importance to the green and environment-friendly building for future life.

The invention discloses automatic sampling initial detection equipment for beverage food detection, and relates to the technical field of detection equipment; the automatic sampling initial detection equipment comprises a working case and a conveying mechanism, wherein the conveying mechanism is mounted on the surface of the working case; the conveying mechanism mainly comprises a continuous feeding machine, a clamping conveying belt installed in the continuous feeding machine and a plurality of sensors installed on the side face of the continuous feeding machine, the working machine box is composed of a box body, a gantry beam, an anti-explosion dirt collecting barrel A, a heater and a detection table, and the gantry beam is fixedly connected to one side of the box body; the anti-explosion sewage collecting barrel A and the heater are respectively arranged in the box body, and the detection table is arranged on the surface of one side of the box body. According to the invention, not only can automatic sampling inspection be effectively realized, but also samples can be shaken up before sampling inspection so as to ensure uniform sampling, and meanwhile, workers can be helped to equally divide the samples and wait for initial inspection of the workers, so that the preparation time and tedious steps of the workers are effectively reduced.

The invention relates to the technical field of biological resource processing, in particular to a model and method for predicting the yield of chitosan prepared from armadillidiam vulgare at different water bath temperatures, and the yield prediction model comprises prediction of the yield of an extract obtained after demineralization, prediction of the yield of chitin, prediction of the yield of an extract obtained after decoloration, prediction of the yield of chitosan and prediction of the total yield. According to the method, the yield prediction model is used for predicting the product yield and the total yield of the armadillidiam vulgare in each stage in the process of preparing the chitosan from the armadillidiam vulgare. The model clearly reflects the relationship between the water bath temperature and the extraction effect of the chitosan product in different preparation stages, the method is convenient for technicians to select parameters and estimate the yield according to the production purpose, guidance is provided for the development and utilization of the extraction of the chitosan from the armadillidiam vulgare, and the resource utilization value of the armadillidiam vulgare is expanded.

The invention discloses a balance cylinder system and a balance cylinder control method. The balance cylinder system according to an embodiment of the present invention includes a balance cylinder; an executing mechanism which is connected with the output end of the balance cylinder; a sensor which obtains the posture and/or the gravity component of the executing mechanism, wherein the output end of the balance cylinder outputs according to the posture and/or the gravity component. According to the balance cylinder system and the balance cylinder control method provided by the embodiment of the invention, the gravity influence of equipment in various postures can be balanced, so that the equipment is stable in operation, accurate in positioning and free of impact vibration.

The invention discloses an electric power test trolley which comprises a first supporting plate, a second supporting plate and a third supporting plate, which are sequentially arranged from bottom totop. Lifting assemblies are arranged between the first supporting plate and the second supporting plate and between the second supporting plate and the third supporting plate; main test equipment, a cable roller and a cable roller driving assembly are fixedly arranged on the first supporting plate, wherein the cable roller and the cable roller driving assembly are detachably arranged on one side of the main test equipment; and a controller is fixedly arranged on the third support plate, wherein the controller is electrically connected with the main test equipment and auxiliary test equipment.The electric power test trolley is compact in structure, is high in practicality, can reduce the early-stage preparation work of an electric power maintainer during the onsite withstand voltage detection, and can effectively improve the efficiency of the electric power test; and the electric power test trolley is suitable for an electric power production field, and is used for the field detectionand testing of electric power safety equipment.