71results about How to "Not affected by human factors" patented technology

The invention discloses a dynamic motor truck scale and a method for testing truck weight, specially fitted for testing the truck weight under the dynamic condition. The inaccurate testing exists in the prior art. The dynamic motor truck scale of the invention comprises a grating sensor, a wheel axle identifier and an image collector which are arranged by matching with a weighting platform, wherein a transmitter and a receiver of the grating sensor are respectively arranged on two sides of a weighting channel in front of the weighting platform; the wheel axle identifier is arranged on the weighting channel in front of the weighting platform; the grating sensor, the wheel axle identifier and the image collector are all connected with a data collecting device. The data collecting device sums the weight data of each sensed wheel axle, analyzes and calculates the running speed and the acceleration of the truck according to the collected images, and verifies the weighting data so as to acquire the gross truck weight. The testing is accurate, the testing error which occurs due to the speed change in the testing points is prevented and the cheating phenomenon is avoided.

The invention discloses a full-automatic voltage internal resistance testing system. The full-automatic voltage internal resistance testing system comprises a material frame cart, a transfer platformwith a plurality of material storage positions, a turntable mechanism with a plurality of working positions and a discharging platform. The full-automatic voltage internal resistance testing system further comprises: a multi-connected clamping jaw manipulator used for transferring battery cells in a cart material frame to the transfer platform; a feeding, sorting, visual positioning and monitoringrobot used for grabbing the battery cells on the transfer platform, carrying out visual positioning and detection on the battery cells and placing the qualified battery cells on the working station of the turntable mechanism; a tab shaping mechanism, a battery cell body temperature testing mechanism, a code scanning mechanism and a battery cell voltage internal resistance testing mechanism whichare arranged at each working position of the turntable mechanism and are respectively used for carrying out tab shaping, battery cell body temperature testing, code scanning and battery cell voltage internal resistance testing; and a discharging and sorting robot used for discharging the battery cells which are tested to be qualified from the turntable mechanism to the discharging platform. According to the test system, the voltage and internal resistance test efficiency of a large square cell is improved, and test data is stable.

The invention relates to a method for determining high-concentration filling slurry self-flowing conveying optimal slurry, and belongs to the technical field of filling processes and application. Thehigh-concentration slurry and speed suitable for the self-flowing conveying can be accurately judged, and a better using effect is achieved. According to the present invention, modeling is carried outaccording to the actual mine filling pipelines, the waste rock and tailings are used as raw materials to prepare the high-concentration filling slurry, the conveying characteristic of the slurry in apipeline is studied, the change condition of the pressure loss along with the concentration and flow velocity during the conveying process and the condition of pressure loss at a bent pipe are analyzed, the flow and speed of the slurry suitable for pipeline conveying are determined, and theoretical reference is provided for the application of the high-concentration self-flowing filling technology.

The invention relates to an automatic detection system and method for the sag of a power transmission line. The automatic detection system comprises a Beidou satellite, a self-propelled trolley and aremote host. The self-propelled trolley is arranged on the power transmission line and comprises a mounting bracket, a battery unit at the bottom of the mounting bracket, a driving unit in the middleof the mounting bracket, a communication unit at the top of the mounting bracket and a sag measuring probe at the front end of the mounting bracket, wherein the communication unit communicates with the Beidou satellite through satellite signals, communicates with the remote host through wireless signals, and is connected with the driving unit and the sag measuring probe. The automatic detection system and method have the advantages that full-automatic measurement of the sag is realized, and the precision of measurement results is high; data is automatically recorded and stored, manual recording is not needed, and the work is not influenced by human factors.

The invention discloses a system and method for automatically detecting the distance between crossing points of a power transmission line. The system comprises a beidou satellite, a self-walking trolley and a remote host, the self-walking trolley is arranged on the power transmission line and comprises an installing support, a battery unit located at the bottom of the installing support, a drivingunit located in the middle of the installing support, a communication unit located at the top of the installing support and multiple laser radars located at the front end of the installing support, the communication unit is communicated with the beidou satellite through a satellite signal, communicated with the remote host through a wireless signal and connected with the driving unit and the laser radars, the laser radars are installed at the front end of the self-walking trolley through a bearing mechanism, and the bearing mechanism is connected with the installing support. The system and method have the advantages that the distance between the crossing points of the power transmission line is fully automatically measured, so that the precision of a measurement result is high; storage data is recorded automatically, manual recording is not needed, and influences of human factors do not exist.

The invention relates to an online sampling method for an oil pipeline. The online sampling method comprises following steps: 1), a section of bypass pipeline is arranged on a main pipeline, and a liquid enters the bypass pipeline through a sampling probe; 2), pressure detection is performed; 3), filtering and pollution discharge are performed; 4), pressure difference detection is performed at two ends of a filter; 5), the liquid is pressurized by a sampling pump; 6), pressure detection is performed; 7), an outlet of the sampling pump is connected with a sampling loop and a jet loop, the liquid at an outlet end of the jet loop is sprayed into the main pipeline through a spray nozzle, and the liquid entering the sampling loop is subjected to follow-up processes continuously; 8), pollution is discharged; 9), online density detection is performed; 10), gas is exhausted; 11), a sample is taken and stored; 12), the residual liquid after the sample is taken is subjected to pressure detection, temperature detection and flow detection sequentially and is finally converged into the main pipeline. According to the online sampling method for the oil pipeline, reliable, real-time and continuous operation, accurate sample quantity and accurate loop flow control can be realized, and the requirements that the obtained sample is representative, the sampling process is automatic and the system control is accurate are met finally.

The invention relates to a method for quickly determining a metal material strain hardening index. The method comprises the following steps of: first, according to the tension test data, drawing a tension curve sigma-epsilon; second, determining a starting point for generating strain hardening effect; third, determining an end point for generating strain hardening effect; fourth, determining two key points: namely (epsilon1, sigma1) and (epsilon2, sigma2) on the tension curve; and fifth, according to a formula, calculating the strain hardening index. The method provided by the invention has the characteristics of easy operation, high efficiency and no influence of human factors.

The invention discloses a detection and grading device and a detection method suitable for fresh tobacco leaves. The detection and grading device comprises an automatic material ejecting mechanism, atobacco leaf grabbing module, a tobacco leaf transporting module, the fresh tobacco leaves, a tobacco leaf detection module, a control module, a tobacco leaf sorting module and a material collecting box. In view of non-importance and non-objectivity for tobacco leaf sorting of tobacco growers before tobacco leaves are sent for baking, the computer vision technology is applied to classify the maturity of the tobacco leaves following samples before the tobacco leaves are weaved and baked. Four feature values (R, G, B color values and hue H value) of the tobacco leaves are extracted for learninggrading using a cut-average method, and the maturity of the unknown tobacco leaves is compared and divided using a sample database. The image processing technology and the industrial control technology are applied to the quality detection and grading of the fresh tobacco leaves, automatic sampling and sorting are realized, and the detection efficiency of the sorting and the automation degree of the production of the fresh tobacco leaves are greatly improved.

The invention provides a calibration method for 2D laser-binocular camera combined calibration. Through the practicability of the calibration plate, full automation of 2D laser and binocular camera joint calibration can be achieved, high precision and consistency are achieved, and calibration is suitable for batch production. A 2D laser and a binocular camera are installed on a to-be-calibrated device. A calibration plate is arranged at the front position of the to-be-calibrated equipment. The calibration plate comprises three planes which are perpendicular to each other. every two of the X axes are intersected to form a corresponding X axis, a Y-axis and a Z-axis, one plane is provided with a plane calibration feature; then, a transformation relation between a 2D laser coordinate system and a calibration plate coordinate system is utilized; solving a transformation relation between the 2D laser coordinate system and the binocular coordinate system according to a change relation between the binocular camera coordinate system and the plane calibration feature coordinate system and a corresponding change relation between the plane calibration feature coordinate system and the calibration plate coordinate system, and completing the combined calibration of the 2D laser coordinate system and the binocular coordinate system.

The invention relates to a hybrid corn seed production cost-saving, impurity-removing, emasculation and purity-keeping method, which comprises the following steps: adjusting the sowing time according to the planting and growth period characteristics of male parents and female parents and the flowering time of the male parents and the female parents, so that the spinning period of the female parents and the tassel pollination period of the male parents meet; performing abnormal plant identification by using a corn abnormal plant identification model after seed production corn male and female parent final singling, after jointing and before tasseling, and removing abnormal plants; in the female parent tasseling period, identifying tassels by using the corn tassel identification model, and removing the tassels which are extracted; removing tassel plants which are not completely removed in the female parents repeatedly, so that it is ensured that tassels of the female parents are completely removed after tasseling of the female parents and before pollination. In the corn seed production process, the labor intensity of manual impurity removal and female parent emasculation is relieved, influences of human factors are avoided, and the purity of hybrid corn seeds is improved.

The invention provides an aluminum and aluminum alloy production method, and relates to the technical field of aluminum and aluminum alloy production. According to the aluminum and aluminum alloy production method, before aluminum melt enters a smelting furnace to be molten, purification treatment on the aluminum melt is carried out, the purity of the aluminum melt entering the furnace is improved, the number of times of refining, stirring and slagging-off in the smelting furnace is decreased, the process time is shortened, energy consumption is reduced, and the equipment maintaining cost of aslagging-off vehicle and the smelting furnace is reduced. Furnace wall hanging slag and furnace bottom accumulated slag of the smelting furnace are reduced. The conditions of original frequent slagging-off vehicle slagging-off and cold and heat furnace cleaning are reduced, external force damage borne by lining materials in the furnace body during mechanical furnace cleaning is greatly avoided, and the service life of the furnace body is prolonged.