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30results about How to "Reduce manual procedures" patented technology

Insulator abnormal automatic detection method based on ensemble classifier online learning

The invention discloses an insulator abnormal automatic detection method based on ensemble classifier online learning. The method comprises the following concrete steps of carrying a high-definition PTZ camera by using a unmanned aerial vehicle/pole tower as a carrier; shooting a power transmission line visible light insulator image; performing preprocessing, image division, image multi-feature extraction and the like on the obtained image to obtain various typical features of abnormal isolator images and to perform normalization processing; next, selecting decision trees to be used as a weakclassifier; using the normalization features as the classification attribute to train the weak classifier; performing repeated training to obtain a plurality of decision trees and the classification weight; finally, generating a strong classifier with high classification accuracy through weighted voting; meanwhile, timely updating the strong classifier by combining the online learning technology;and separating each type of abnormal insulator images for subsequent processing. The method has the advantages that the principle is simple and visual; the implementation is easy; the image processingtechnology and the machine learning algorithm are combined for intelligently recognizing the insulator abnormality; and a novel idea and method is provided for the insulator abnormal operation monitoring.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Flour production system

The invention relates to a flour production system. The flour production system comprises a grain storing silo, a first section material lifting machine, a wheat sorting screening machine, a second section material lifting machine, a wheat peeling device, a third section material lifting machine and a millstone flour mill, which are arranged in sequence. A discharging end of the grain storing silo is connected with an input end of the first section material lifting machine, an output end of the first section material lifting machine is connected with an input end of the wheat sorting screening machine, an output end of the wheat sorting screening machine is connected with an input end of the second section material lifting machine, an output end of the second section material lifting machine is connected with an input end of the wheat peeling device, an output end of the wheat peeling device is connected with an input end of the third section material lifting machine, and an output end of the third section material lifting machine is connected with an input end of the millstone flour mill. The flour production system is simple in structure and scientific and reasonable in design. According to the flour production system, the flour production process and the processing process are integrated together, the high integration of flour production is achieved, the time and the labor are saved, plenty of manpower and material power are saved, the working efficiency is improved, and the product quality level is improved.
Owner:LIXIN DONGHUA FLOUR

Skipping stitch device of sewing machine

The invention relates to a skipping stitch device of a sewing machine, which mainly comprises a fixed seat, an eccentric shaft, a rocker, a connecting rod and a deflecting control rod. The fixed seat is combined with a sewing machine body and used for sleeving the eccentric shaft and a torsional spring; the eccentric shaft is inserted into the fixed seat; the rocker is combined with one end of the eccentric shaft, and the other end of the eccentric shaft is combined with a bearded needle table by a ball-and-socket connecting rod; the connecting rod is arranged between a swinging arm on a cross shaft of the sewing machine and the rocker; and the deflecting control rod is arranged at the other end of the eccentric rod. The skipping stitch device can be provided for an operator to control a connecting mechanism by the deflecting control rod to drive a bearded needle to make micrometric displacement, ensures that the bearded needle cannot hook the needle and lines and easily controls the action of a skipping stitch by controlling the deflecting control rod and other automatic control modes, thereby sewing and wrapping operations can be conveniently achieved, the procedures and the time of manual operation can be saved, and operation efficient workers can be increased.
Owner:CHEESIANG SEWING MACHINE S H

Auger conveying mechanism for dust or particle material storage and transportation container

The invention discloses an auger conveying mechanism for a dust or particle material storage and transportation container. The auger conveying mechanism for the dust or particle material storage and transportation container comprises a conveying groove formed in the bottom of the storage and transportation container, an auger assembly arranged in the conveying groove, and a strip-shaped groove or a plurality of communication holes, wherein the storage and transportation container and the conveying groove are communicated through the stripe-shaped groove or the communication holes, and the communication holes are formed in rows. The length direction of the strip-shaped groove or the arrangement direction of the communication holes is consistent with the conveying direction of the auger assembly. The strip-shaped groove or each communication hole is provided with at least one cover plate. The strip-shaped groove or the communication holes can be closed or opened through the cover plates under the control of control assemblies. In this way, in an actual operation process, the cover plate close to a discharge outlet can be closed, and the cover plate away from the discharge outlet can be opened, so that the situation that when materials at the end away from the discharge outlet are discharged firstly, materials at the end close to the discharge outlet apply pressure to the auger assembly through the strip-shaped groove or the communication holes, and accordingly certain resistance is caused to the movement of the auger assembly is avoided; the conveying efficiency of the auger assembly is improved, and energy resources are saved.
Owner:NENGCHENG GRP

Auger conveying mechanism for dust or granular material storage and transportation container

The auger conveying mechanism of the dust or granular material storage and transportation container disclosed by the present invention comprises a conveying trough arranged at the bottom of the storage and transportation container, an auger assembly arranged in the conveying trough, and a mechanism connecting the storage and transportation container with the conveying trough A strip-shaped slot or several communicating holes arranged in a row, wherein the length direction of the strip-shaped slot or the arrangement direction of the communicating holes is consistent with the transport direction of the auger assembly, and at least one cover plate is provided on the strip-shaped slot or each communicating hole , the cover plate can close or open the bar-shaped groove or communication hole under the action of the control component. In this way, in the actual operation process, the cover plate close to the discharge port can be closed, and the cover plate at the end far away from the discharge port can be opened, so as to avoid the material close to the discharge port in the process of first sending out the material at the end far away from the discharge port. The material exerts pressure on the auger assembly through the strip groove or the communication hole, thereby generating certain resistance to the movement of the auger assembly, so as to improve the conveying efficiency of the auger assembly and save energy.
Owner:NENGCHENG GRP

A silicon carbide production line

ActiveCN106430211BEasy to control coolingRapid coolingSilicon carbideProduction lineSlag
The invention relates to the technical field of silicon carbide smelting, in particular to a silicon carbide production line which comprises a smelting furnace and a chute feeder, wherein an exhaust hole is formed in the upper part of the smelting furnace; a feeding hole and a discharge hole are formed in the lower part of the smelting furnace; a slag outlet is formed in the bottom of the smelting furnace; the chute feeder is positioned below the slag outlet; an inner cylinder of which the size can be freely adjusted is arranged inside the smelting furnace; the bottom surface of the chute feeder adopts a horizontal surface; a high-temperature chain chopper is arranged inside the chute feeder; a material trolley is arranged at the front end of the high-temperature chain chopper in a conveying direction; an exhaust pipe is arranged at the exhaust hole; the exhaust pipe is arranged on the outer wall of the smelting furnace in a spiral manner; a purification device is connected to the free end of the exhaust pipe; a communicating tube is arranged on the purification device; a turbine is connected with the free end of the communicating tube; an air pump is arranged on the communicating tube; the high-temperature chain chopper is driven by the turbine. By adopting the silicon carbide production line, not only is furnace slag automatically cleaned, so that a step of manually shoveling off furnace slag is canceled, but also the silicon carbide which is smelted inside a furnace body can be rapidly cooled.
Owner:秦皇岛市军之友装具有限公司

An automatic detection method for insulator anomalies based on integrated classifier online learning

The invention discloses an automatic detection method for insulator abnormality based on online learning of an integrated classifier. The specific steps are as follows: a high-definition pan-tilt camera is mounted on an unmanned aerial vehicle / pole tower as a carrier, and an image of a visible light insulator of a transmission line is taken, and the obtained image is processed. Preprocessing, image segmentation, image multi-feature extraction, etc., to obtain various typical features of abnormal insulator images and normalize them; then select a decision tree as a weak classifier, and use the normalized features as its classification attributes to train the weak classifier , repeat the training to obtain several decision trees and their classification weights, and finally generate a strong classifier with high classification accuracy through weighted voting. At the same time, combined with online learning technology, the strong classifier is updated in time, and various types of abnormal insulator images are separated for subsequent processing. . The principle of the invention is simple, intuitive and easy to implement, combined with the image processing technology and the machine learning algorithm to intelligently identify and diagnose the abnormality of the insulator, and provides a new idea and method for monitoring the abnormal operation of the insulator.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Flour Production System

The invention relates to a flour production system. The flour production system comprises a grain storing silo, a first section material lifting machine, a wheat sorting screening machine, a second section material lifting machine, a wheat peeling device, a third section material lifting machine and a millstone flour mill, which are arranged in sequence. A discharging end of the grain storing silo is connected with an input end of the first section material lifting machine, an output end of the first section material lifting machine is connected with an input end of the wheat sorting screening machine, an output end of the wheat sorting screening machine is connected with an input end of the second section material lifting machine, an output end of the second section material lifting machine is connected with an input end of the wheat peeling device, an output end of the wheat peeling device is connected with an input end of the third section material lifting machine, and an output end of the third section material lifting machine is connected with an input end of the millstone flour mill. The flour production system is simple in structure and scientific and reasonable in design. According to the flour production system, the flour production process and the processing process are integrated together, the high integration of flour production is achieved, the time and the labor are saved, plenty of manpower and material power are saved, the working efficiency is improved, and the product quality level is improved.
Owner:LIXIN DONGHUA FLOUR

Material receiving device

InactiveCN112374134AAvoid SpillsAvoid problems that affect the taste of dishesControl devices for conveyorsControl engineeringControl circuit
The invention discloses a material receiving device. The material receiving device comprises a support, a power device, a distance measuring device, a synchronous belt, an induction mechanism, a tableboard, a plurality of induction type material receiving cups and a control circuit, wherein the power device and the distance measuring device are fixed to the support, the induction mechanism is fixed to the synchronous belt, the table board is located above the induction mechanism, and the induction type material receiving cups are placed on the table board; the synchronous belt is driven by the power device to move to drive the induction mechanism to move together, and the material receiving cups and the induction mechanism are mutually inducted so that the material receiving cups can synchronously move along with the induction mechanism; the distance measuring device and the power device are both connected with the control circuit; and the distance measuring device measures the distance between the material receiving cups in real time and feeds the distance back to the control circuit, and when the distance indicates that the material receiving cups move to the position under a preset discharging port, the control circuit controls the power device to stop working so that the material receiving cups can receive materials.
Owner:SHENZHEN HUOWANG GAS APPLIANCE

Skipping stitch device of sewing machine

The invention relates to a skipping stitch device of a sewing machine, which mainly comprises a fixed seat, an eccentric shaft, a rocker, a connecting rod and a deflecting control rod. The fixed seat is combined with a sewing machine body and used for sleeving the eccentric shaft and a torsional spring; the eccentric shaft is inserted into the fixed seat; the rocker is combined with one end of the eccentric shaft, and the other end of the eccentric shaft is combined with a bearded needle table by a ball-and-socket connecting rod; the connecting rod is arranged between a swinging arm on a cross shaft of the sewing machine and the rocker; and the deflecting control rod is arranged at the other end of the eccentric rod. The skipping stitch device can be provided for an operator to control a connecting mechanism by the deflecting control rod to drive a bearded needle to make micrometric displacement, ensures that the bearded needle cannot hook the needle and lines and easily controls the action of a skipping stitch by controlling the deflecting control rod and other automatic control modes, thereby sewing and wrapping operations can be conveniently achieved, the procedures and the time of manual operation can be saved, and operation efficient workers can be increased.
Owner:CHEESIANG SEWING MACHINE S H

Steam turbine-generator safety protection system and method used in large power plants

The invention discloses a steam turbine-generator safety protection system applied to a large-scale power plant, including a signal acquisition terminal, a criterion module, a calculation module and a generator grid-connected circuit breaker, and also discloses a safety protection system applied to a large-scale power plant The steam turbine-generator safety protection method comprises the following steps of inputting the ETS trip signal, the main steam valve closing signal, and the circuit breaker trip position signal into the criterion module, and the criterion module judges the state type according to the received signal; collects the state type data and the analog quantity The data is input into the calculation module; the calculation module judges the follow-up action according to different state type data and real-time operation data. The criterion module judges the state type through the ETS trip signal, the main steam valve closing signal, and the circuit breaker trip position signal, and the calculation module judges the follow-up action according to the implementation operation data and state type data, so that the steam turbine-generator can achieve redundant release energy and output power grid energy Open the generator circuit breaker after balancing to avoid overspeeding of the generator.
Owner:中国能源建设集团华中电力试验研究院有限公司
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