CN114593796A - Belt type metering scale control system - Google Patents
Belt type metering scale control system Download PDFInfo
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- CN114593796A CN114593796A CN202210162455.8A CN202210162455A CN114593796A CN 114593796 A CN114593796 A CN 114593796A CN 202210162455 A CN202210162455 A CN 202210162455A CN 114593796 A CN114593796 A CN 114593796A
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- 238000004891 communication Methods 0.000 claims abstract description 41
- 230000005484 gravity Effects 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 6
- 238000009825 accumulation Methods 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 19
- 238000004364 calculation method Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000004088 simulation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000012937 correction Methods 0.000 description 5
- 239000011343 solid material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
- G01G11/003—Details; specially adapted accessories
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention provides a belt type weigher control system, which comprises a belt conveyor, a gravity sensor and a rotating speed sensor, wherein the gravity sensor and the rotating speed sensor are arranged in the belt conveyor; the communication module is used for connecting the gravity sensor, the rotating speed sensor and the camera shooting identification module so as to receive the relevant information collected by the gravity sensor, the rotating speed sensor and the camera shooting identification module and transmit the relevant information to the control center module; and the control center module is used for receiving the related information and carrying out the operation state, material metering and accumulation work of the object to be conveyed through an internal preset algorithm. Utilize above-mentioned belt formula weigher control system, can carry out intelligence from revising under fixed cycle when guaranteeing the precision of weigher, it is simpler, convenient to operate.
Description
Technical Field
The invention relates to the technical field of weighing and metering, in particular to a belt type metering scale control system.
Background
The belt type weighing scale is common equipment in the industries of metallurgy, cement, coal, thermal power generation and the like, is also key equipment for metering solid materials, and has the core equipment for ensuring normal production of the process in terms of precision and long-period operation.
At present, a belt type metering scale device utilizes a single chip microcomputer as a control and metering calculation center, and a pair of pressure type gravity sensors and a wheel type tachometer are used as primary sensors to form material metering. The metering method of this type of material has the following disadvantages:
the first is that with less accurate, especially slightly viscous materials, the accuracy of the metering is greatly reduced to 70% or less after two or three days of use.
Secondly, the calibration process is complex, the calibration work of the belt type weighing scale with the magnitude of 1 ton or more is time-consuming and labor-consuming, and the transportation of the calibration standard weight consumes much time and labor.
Thirdly, the measurement precision of the belt rotating speed is low, and the deviation between the actual belt rotating speed and the wheel rotating speed is large.
Fourthly, according to the requirements of the specification of the belt type metering scale, the belt type metering scale needs to be calibrated once a month generally, but in the application of actual working conditions, because the material metering precision is reduced very fast, the belt type metering scale needs to be calibrated again for several days, so that the industrial user cannot perform the high-frequency calibration operation, and the belt type metering scale runs and meters under low precision.
Therefore, there is a need for a new control system for a belt-type scale that overcomes the above-mentioned disadvantages, so that the belt-type scale can be operated with high precision over a long period of time.
Disclosure of Invention
In view of the above, it is an object of the present invention to provide a belt-type scale control system. According to the invention, the precision of the metering scale is ensured, and meanwhile, the intelligent self-correction is carried out in a fixed period, so that the operation is simpler and more convenient.
In order to achieve the above object, the present invention provides a belt-type weigher control system, comprising a belt conveyor, a gravity sensor and a rotation speed sensor arranged inside the belt conveyor, characterized by further comprising,
the camera shooting identification module is arranged at a preset position of the belt conveyor and is used for acquiring physical information of an object to be transmitted and an operation picture of the belt conveyor;
the communication module is used for connecting the gravity sensor, the rotating speed sensor and the camera shooting identification module so as to receive the relevant information collected by the gravity sensor, the rotating speed sensor and the camera shooting identification module and transmit the relevant information to the control center module;
and the control center module is used for receiving the related information and carrying out the operation state, material metering and accumulation work of the object to be conveyed through an internal preset algorithm.
Furthermore, it is preferable that the communication module includes a front communication unit and a network communication unit:
the front communication unit is used for connecting the gravity sensor, the rotating speed sensor and the camera shooting identification module and receiving the collected related information;
and the network communication unit is used for acquiring the acquired related information from the front communication unit and uploading the acquired related information to the control center module.
In addition, preferably, the network communication unit uploads the collected related information to the control center module through wired transmission and wireless transmission.
In addition, preferably, the control center module includes an image storage unit, a data identification unit, a data server, a data calculation unit, and an intelligent management unit:
the image storage unit is used for receiving and storing the data information uploaded by the camera shooting identification module;
the data identification unit is used for analyzing and calculating the data information stored in the image storage unit, calculating the actual operation data of the metering scale and uploading the actual operation data to the data server;
the data server is used for storing the data uploaded by the gravity sensor and the rotating speed sensor and storing the actual operation data calculated by the data identification unit;
the data calculation unit is used for reading two data in the data server, finally outputting the corrected and accurate metering data of the object to be transmitted through real-time data and database simulation operation, and storing the metering data to the intelligent management unit;
and the intelligent management unit is used for receiving the data uploaded by the data calculation unit and displaying the state information of the metering scale.
In addition, it is preferable that the intelligent management unit further includes a function of uploading the status information to a higher-level system, so as to store historical data of the weighing scale and provide reference data for maintenance and repair of the weighing scale.
In addition, preferably, the camera shooting identification module comprises a high-definition camera.
Furthermore, it is preferable that the number of the camera recognition modules is at least two.
In addition, it is preferable that the physical information includes a shape of the object to be transferred and length information of the object to be transferred.
In addition, it is preferable that each preset position corresponds to two positioning identifiers.
In addition, preferably, the belt type weighing scale control system is connected with an intelligent terminal of a factory through a wireless network to form an integrated intelligent factory.
The invention has the advantages that:
1. according to the belt type metering scale control system, the accuracy of the measured data of the belt type metering scale is ensured by mutually matching the camera shooting identification module with the collected data of the gravity sensor and the rotation speed sensor, and the problem of low precision in the prior art is solved.
2. According to the belt type metering scale control system, the data of the camera shooting identification module, the gravity sensor and the rotating speed sensor are analyzed and processed through the control center module to obtain the calibrated data, and the calibrated data are compared with the original data measured by the equipment, so that the accuracy of the belt type metering scale is guaranteed.
3. The belt type metering scale control system disclosed by the invention periodically performs self-correction through the internal unit of the control center module, simplifies the operation process and improves the working efficiency.
4. The belt type weigher control system is connected with an intelligent terminal of a factory through the control center module to form an integrated intelligent factory, and is more convenient for statistics of factory-level solid material measurement and dynamic calculation of factory-wide material balance.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 shows a block schematic diagram of a belt scale control system according to the present invention.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
The belt type weighing scale is common equipment in the industries of metallurgy, cement, coal, thermal power generation and the like, is also key equipment for metering solid materials, and has the core equipment for ensuring normal production of the process in terms of precision and long-period operation.
At present, a single chip microcomputer is used as a control and metering calculation center of belt type weighing scale equipment, a pair of pressure type gravity sensors and a wheel type tachometer are used as gravity sensors, the control center reads instantaneous gravity signals and belt rotating speed signals of the gravity sensors, the unit time weight of materials is obtained through calculation, and material metering signals are formed and uploaded to a next process control program.
Therefore, a new measurement control system method is provided for the measurement defects of the conventional belt type weighing scale. The characteristics of 5G low-delay and high-bandwidth are utilized to form an internet +, a gravity sensor, a revolution speed sensor, a belt and material real-time image recognition technology and a belt type metering scale operation condition detection technology, so that an intelligent control system of the belt type metering scale is realized, the weighing precision of the belt type metering scale is improved, the calibration times are reduced, and the belt scale is intelligently maintained and overhauled.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 shows a block schematic diagram of a belt scale control system according to the present invention.
As shown in fig. 1, a belt scale control system according to the present invention is described.
The belt type weigher control system comprises a belt conveyor, a gravity sensor and a rotating speed sensor, wherein the gravity sensor and the rotating speed sensor are arranged in the belt conveyor; the device also comprises a camera shooting identification module, a camera shooting identification module and a control module, wherein the camera shooting identification module is arranged at a preset position of the belt conveyor and is used for acquiring physical information of an object to be transmitted and an operation picture of the belt conveyor; the communication module is used for connecting the gravity sensor, the rotating speed sensor and the camera shooting identification module so as to receive the relevant information collected by the gravity sensor, the rotating speed sensor and the camera shooting identification module and transmit the relevant information to the control center module; and the control center module is used for receiving the related information and carrying out the operation state, material metering and accumulation work of the object to be transmitted through an internal preset algorithm.
In an embodiment of the present invention, the communication module includes a head communication unit and a network communication unit: the prepositive communication unit is used for connecting the gravity sensor, the rotating speed sensor and the camera shooting identification module and receiving the collected related information; and the network communication unit is used for acquiring the acquired related information from the front-end communication unit and uploading the acquired related information to the control center module. According to the main work content of the communication module, the communication module is divided into two types, namely a receiving function and a transmission function, and special work is carried out, so that the stability of communication transmission of the belt type metering scale control system is ensured, the fault occurrence probability is reduced, and the service life of the belt type metering scale is prolonged.
In the embodiment of the invention, the network communication unit uploads the collected related information to the control center module through wired transmission and wireless transmission. And determining the transmission mode of the data in the belt type weighing scale according to the design scheme. In detail, the camera shooting identification module is connected with the communication module in a wireless transmission mode, and the gravity sensor and the rotation speed sensor are connected with the communication module in a wired transmission mode, so that the design is realized, the transmission quality is ensured, and the integral connection is simpler and more reasonable.
In the embodiment of the invention, the control center module comprises an image storage unit, a data identification unit, a data server, a data calculation unit, an intelligent management unit and other operation units. The image storage unit is used for receiving and storing the data information uploaded by the camera shooting identification module; the data identification unit is used for analyzing and calculating data information stored in the image storage unit, calculating actual operation data of the weighing scale and uploading the actual operation data to the data server; the data server is used for storing data uploaded by the gravity sensor and the rotating speed sensor and actual operation data calculated by the data identification unit; the data calculation unit is used for reading two data in the data server, finally outputting the corrected and accurate metering data of the object to be transmitted through real-time data and database simulation operation, and storing the metering data to the intelligent management unit; and the intelligent management unit is used for receiving the data uploaded by the data calculation unit and displaying the state information of the metering scale.
The data information of the camera shooting identification module comprises physical information of an object to be transmitted and an operation picture of the belt conveyor. Specifically, the data identification unit analyzes a real-time image of the belt conveyor in the image storage unit, and further determines an image storage period of the image storage server 8 unit according to information such as the size of a hard disk of the image storage unit, the number of belt type weighing scales, image transmission resolution and the like, and periodically deletes used images. The data identification unit is used for calculating the actual operation data of the belt weigher through the identification of the preset position on the belt weigher body, the real-time material picture identification and analysis of the belt conveyor and the high-precision actual rotating speed of the belt, the residual material amount on the belt weigher and the data of the belt weigher operation historical database, and storing the actual operation data into the data server.
The data uploaded by the communication module are processed in a related mode through the interaction of units in the control center module, the processing of the related data is divided into two parts, namely, the related data are stored in the data server, the data analyzed by the data computing unit are stored in the data server, and finally the two parts are compared and operated through the intelligent management unit, and finally, the final metering result is displayed on the weighing displayer.
In an embodiment of the present invention, the intelligent management unit further includes uploading the status information to a higher-level system, so as to store historical data of the weighing scale and provide reference data for maintenance and repair of the weighing scale. Through the function of the intelligent management unit, a reference basis is provided for self-correction of a subsequent belt type metering scale control system, a parameter correction period is determined, and the accuracy of the metering scale is guaranteed.
In an embodiment of the present invention, the camera recognition module includes a high definition camera. According to the actual demand of scheme design carry out corresponding change, specifically, the identification module of making a video recording also can be infrared induction camera, or other cameras.
In the embodiment of the invention, the number of the camera shooting identification modules is at least two. Specifically, the number of the camera shooting identification modules is set according to the length of the belt conveyor, the position of the belt conveyor, where an object to be conveyed is shot, is required to be set, and timely early warning and fault prompting are carried out on the running state of the belt type metering scale through the camera shooting identification modules, so that the fault rate of the belt type metering scale is reduced, and the work safety can be ensured. More specifically, the camera shooting identification module can also rotate by a certain angle, and an operation instruction is issued to the camera shooting identification module through the control center module, so that the operation is more convenient, and the practicability is wider.
In the embodiment of the present invention, the physical information includes information that can be observed, such as the shape of the object to be transferred and the length information of the object to be transferred. Physical information of an object to be transmitted and data uploaded by a gravity sensor and a rotating speed sensor stored in a data server are matched according to a budget algorithm in the control center module, and early warning and prompting are carried out on unmatched data, so that the accuracy of the belt type metering scale is guaranteed.
In the embodiment of the present invention, each preset position corresponds to two positioning identifiers, and the number of the preset positions is at least two. Specifically, the two positioning marks are more beneficial to the camera identification module to identify the substances transmitted on the belt conveyor and monitor a real-time picture; the number of the preset positions corresponds to the number of the camera shooting identification modules one to one, so that the comprehensiveness of the identification process is ensured, and the generation of calculation errors is reduced.
In the embodiment of the invention, the belt type weighing scale control system is connected with the intelligent terminal of the factory through a wireless network to form an integrated intelligent factory. The whole factory data are interconnected and intercommunicated, intelligent management is facilitated, and statistics of factory-level solid material measurement and dynamic calculation of factory-wide material balance are facilitated.
The belt scale control system of the present invention will be described in detail below with reference to examples.
The belt-type weighing scale control system comprises: the system comprises a plurality of belt weighers, a plurality of camera shooting identification modules, a gravity sensor, a rotating speed sensor, a front communication unit, a network communication unit, an image storage unit, a data identification unit, a data server, a data calculation unit and an intelligent management unit.
According to the actual arrangement position and the network communication capacity of the belt type weighing scales in the factory, one high-definition camera can manage a plurality of belt type weighing scales in the embodiment; similarly, one front-end communication unit can be connected with a plurality of belt type metering scales and high-definition cameras, and the network communication unit supports a plurality of network communication protocols and can be connected with a plurality of front-end communication units. The control center module of the belt type metering scale can be composed of an independent hardware server, a computer terminal and the like, and can also be shared with a server and a computer terminal of an intelligent factory system to form an integrated intelligent factory.
According to the layout of the positions of the belt weighers of the factory, a positioning scheme, a high-definition camera and network communication link arrangement scheme and a network topological structure scheme of the belt weighers of the factory are formulated, and an intelligent metering management system of the belt weighers of the factory is formed.
In detail, the main process flow and algorithm are as follows: signals of each gravity sensor and each rotation speed sensor pass through the preposed communication unit and the network communication unit, are stored in the data server and are transmitted to the intelligent management unit, and continuous circulating detection and measurement are carried out on the belt type weighing scale in the process.
Firstly, the running picture of each belt type metering scale is shot through a high-definition camera, the running picture of the real-time belt type metering scale is transmitted to an image storage unit, a data identification module analyzes the real-time picture of the belt type metering scale in the image storage unit, the image storage period of the image storage unit is determined according to information such as the size of a hard disk of the image storage unit, the number of the belt type metering scales and the image transmission resolution, and used images are deleted periodically. The data recognition module is used for calculating the actual operation data of the belt type weighing scale by the positioning identification on the belt type weighing scale body, the real-time material picture recognition and analysis of the belt type weighing scale and the high-precision actual rotating speed of the belt and the residual material amount on the belt type weighing scale and combining the historical operation database data of the belt type weighing scale, and storing the actual operation data into the data server.
And then, the data calculation unit reads two different source metering data of the same belt type metering scale on the data server, corrects and improves the material metering data of the real-time belt type metering scale through the simulation operation of the real-time data and the historical database, and transmits the material metering data to the intelligent management unit.
The intelligent management unit is a main control module of the whole belt type metering scale intelligent control system and has the functions of displaying the running state of each belt type metering scale, transmitting material metering and accumulation, uploading belt type metering scale data to an upper computer (a factory intelligent system), maintaining and repairing, maintaining a material standard characteristic database, completely running a subsystem of the belt type metering scale, accumulating data of a belt type metering scale running history database, carrying out simulation processing and the like.
The invention has the advantages that:
1. according to the belt type metering scale control system, the accuracy of the measured data of the belt type metering scale is ensured by mutually matching the camera shooting identification module with the collected data of the gravity sensor and the rotation speed sensor, and the problem of low calculation precision of a singlechip in the prior art is solved.
2. According to the belt type metering scale control system, the data of the camera shooting identification module, the gravity sensor and the rotating speed sensor are analyzed and processed through the control center module to obtain the calibrated data, and the calibrated data are compared with the original data measured by the equipment, so that the accuracy of the belt type metering scale is guaranteed.
3. The belt type metering scale control system improves the material metering precision through the data simulation technology and the image recognition technology of the internal unit of the control center module, and has the functions of self-learning and improving the metering precision. Meanwhile, the internal unit of the control center module is used for periodically performing self-correction, so that the operation process is simplified, and the working efficiency is improved. And, it is low to overcome traditional belt weigher measurement accuracy, avoids frequently needing the manual work to carry out calibration work to the belt weigher.
4. The belt type weigher control system is connected with an intelligent terminal of a factory through the control center module to form an integrated intelligent factory, and is more convenient for statistics of factory-level solid material measurement and dynamic calculation of factory-wide material balance.
A belt scale control system according to the present invention is described above by way of example with reference to fig. 1. However, it will be appreciated by those skilled in the art that various modifications may be made to the belt scale control system of the present invention described above without departing from the spirit and scope of the invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (10)
1. A belt type weighing scale control system comprises a belt conveyor, a gravity sensor and a rotating speed sensor which are arranged in the belt conveyor, and is characterized by also comprising a weighing sensor,
the camera shooting identification module is arranged at a preset position of the belt conveyor and is used for acquiring physical information of an object to be transmitted and an operation picture of the belt conveyor;
the communication module is used for connecting the gravity sensor, the rotating speed sensor and the camera shooting identification module so as to receive the relevant information collected by the gravity sensor, the rotating speed sensor and the camera shooting identification module and transmit the relevant information to the control center module;
and the control center module is used for receiving the related information and carrying out the operation state, material metering and accumulation work of the object to be conveyed through an internal preset algorithm.
2. The belt scale control system of claim 1, wherein the communication module comprises a front-end communication unit and a network communication unit:
the front communication unit is used for connecting the gravity sensor, the rotating speed sensor and the camera shooting identification module and receiving the collected related information;
and the network communication unit is used for acquiring the acquired related information from the front communication unit and uploading the acquired related information to the control center module.
3. The belt scale control system of claim 2, wherein the network communication unit uploads the collected relevant information to the control center module via wired and wireless transmission.
4. The belt scale control system of claim 1,
the control center module comprises an image storage unit, a data identification unit, a data server, a data calculation unit and an intelligent management unit:
the image storage unit is used for receiving and storing the data information uploaded by the camera shooting identification module;
the data identification unit is used for analyzing and calculating the data information stored in the image storage unit, calculating the actual operation data of the metering scale and uploading the actual operation data to the data server;
the data server is used for storing the data uploaded by the gravity sensor and the rotating speed sensor and storing the actual operation data calculated by the data identification unit;
the data calculation unit is used for reading two data in the data server, finally outputting the corrected and accurate metering data of the object to be transmitted through real-time data and database simulation operation, and storing the metering data to the intelligent management unit;
and the intelligent management unit is used for receiving the data uploaded by the data calculation unit and displaying the state information of the metering scale.
5. The belt scale control system of claim 4, wherein the intelligent management unit further comprises uploading the status information to a superordinate system to store historical data of the scale to provide reference data for maintenance and repair of the scale.
6. The belt scale control system of claim 1,
the camera shooting identification module comprises a high-definition camera.
7. The belt scale control system of claim 1,
the number of the camera shooting identification modules is at least two.
8. The belt scale control system of claim 1,
the physical information includes the shape of the object to be transferred and length information of the object to be transferred.
9. The belt scale control system of claim 1,
each preset position corresponds to two positioning marks.
10. The belt scale control system of any one of claims 1-9, wherein the belt scale control system is connected to an intelligent terminal of a factory via a wireless network to form an integrated intelligent factory.
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| CN202210162455.8A CN114593796A (en) | 2022-02-22 | 2022-02-22 | Belt type metering scale control system |
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| CN202210162455.8A CN114593796A (en) | 2022-02-22 | 2022-02-22 | Belt type metering scale control system |
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| CN103837222A (en) * | 2014-03-12 | 2014-06-04 | 北京工业职业技术学院 | Belt weigher image calibration method and metering monitoring system |
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| CN110440884A (en) * | 2019-09-16 | 2019-11-12 | 徐州上达科技有限公司 | A kind of belt balance with high precision and its collecting method |
| WO2021233393A1 (en) * | 2020-05-21 | 2021-11-25 | 煤炭科学研究总院 | Belt state monitoring apparatus and method for self-powered belt conveyor |
| KR102334965B1 (en) * | 2020-05-26 | 2021-12-03 | 타이아(주) | Predictive maintenance system for efficient management of factory automation equipment and productivity improvement |
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2022
- 2022-02-22 CN CN202210162455.8A patent/CN114593796A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837222A (en) * | 2014-03-12 | 2014-06-04 | 北京工业职业技术学院 | Belt weigher image calibration method and metering monitoring system |
| CN110006514A (en) * | 2019-05-15 | 2019-07-12 | 山东莱钢永锋钢铁有限公司 | A kind of weighing belt on-line operation real-time monitoring system for state and method |
| CN110440884A (en) * | 2019-09-16 | 2019-11-12 | 徐州上达科技有限公司 | A kind of belt balance with high precision and its collecting method |
| WO2021233393A1 (en) * | 2020-05-21 | 2021-11-25 | 煤炭科学研究总院 | Belt state monitoring apparatus and method for self-powered belt conveyor |
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