CN105000355A - Belt conveyor on-line energy efficiency monitoring method and system - Google Patents
Belt conveyor on-line energy efficiency monitoring method and system Download PDFInfo
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- CN105000355A CN105000355A CN201510295101.0A CN201510295101A CN105000355A CN 105000355 A CN105000355 A CN 105000355A CN 201510295101 A CN201510295101 A CN 201510295101A CN 105000355 A CN105000355 A CN 105000355A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
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- Excavating Of Shafts Or Tunnels (AREA)
- Length Measuring Devices By Optical Means (AREA)
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Abstract
The invention discloses a belt conveyor on-line energy efficiency monitoring method and system. The monitoring method comprises the following steps: firstly, collecting an off-line training sample, monitoring on-line energy consumption, and the like. The monitoring system comprises three photoelectric encoders which are respectively placed at a central shaft of a drive roller, at the middle section of the conveyor and close to a conveyer belt, and at a direction-changed rolling central shaft, and a material flow state laser collecting device, wherein the three photoelectric encoders and the material flow state laser collecting device are connected with a signal processing and feature extraction module, and the signal processing and feature extraction module is connected with a regression fit predicting module based on a support vector machine. By simply adopting the three photoelectric encoders and the material flow conveying state laser collecting device, the on-line monitoring for the energy consumption of the belt conveyer can be realized, and the problems that an existing energy consumption monitoring system is high in cost, and an existing energy consumption monitoring meansis complicated and lacks practicability are solved.
Description
Technical field
The present invention relates to a kind of belt conveyer efficiency on-line monitoring method and on-line monitoring system.
Background technology
Belt conveyer is contemporary Bulk material and the most efficient equipment of handling, is widely used in the bulk cargo terminals such as coal, ore, cement and grain.
According to statistics, more than 5,000,000, the existing belt conveyer of China, wherein for bulk cargo terminals more than 30,000.The performance requriements of current belt conveyer is often confined to the aspects such as distance, speed, freight volume, power, and pay the utmost attention to equipment maximum load, overload capacity and reliability during apolegamy electrical motor, project plan comparison is guarded, and selected device exists larger allowance.Therefore, the raising of belt conveying engine efficiency, very great to bulk cargo terminals energy-saving and emission-reduction meaning.
Along with belt conveyor system is to long distance, the development of high belt speed, large conveying quantity, its energy conservation potential is huge.For this reason, Ministry of Communication's " " 12 " water transport energy-saving and emission-reduction totally advance embodiment " ([2011] No. 474 files) proposes to want emphasis to research and develop and promote belt conveyer saving-energy operation control technology.The appearance of " frequency control belt conveyor system efficiency test and amount of energy saving method of calculating " national standard, define principle that frequency control belt conveyor system efficiency test field condition, project and gage requirement, test method, the method for calculating of running efficiency of system, variable speed energy saving and amount of energy saving calculate, method that amount of energy saving calculates, for China's belt conveyer saving-energy operation control technology application provides foundation with popularization, also indicate the beginning of China's belt conveyor system energy consumption statistic and the work of efficiency on-line monitoring.Belt conveyer energy consumption on-line monitoring system construction on May 26th, 2014 will formally list 2014-2015 energy-saving and emission-reduction low carbon development action scheme in, and has taken up to implement.
Belt conveyer complicated in mechanical structure, in bulk cargo handling production run process, its efficiency is subject to the effect of multiple parameters such as material instant flow rate, belt speed, operating mode.As when load-transfer device freight volume changes (material is uneven, interrupted), permanent rotating speed operation scheme makes system appearance " low load with strong power " phenomenon; Voltage fluctuation can be produced in belt conveyer drive motor start-up course; Relative sliding is produced between driving drum and load-transfer device; Diameter of cylinder difference, friction coefficient between cylinder and load-transfer device, enclose cornerite change, multiple motors speed that the fluctuation etc. of power line voltage causes asynchronous; In addition, the inertial equipment such as carrying roller, load-transfer device smooth running power demand, machinery driving efficiency, loss in voltage all can cause belt conveyer to motor power (output) impact and the impact etc. of multiple drive power unbalanced power on motor efficiency energy consumption and efficiency are difficult to accurate statistics in actual applications.These affecting parameters, generally can cause the loss of electric machine and belt tension and tightening force to increase, thus reduce belt conveyor system efficiency, increase system energy consumption.Therefore, (reduce, raise) between various affecting parameters and belt conveyer energy valid value change and there is causal relationship, excavate various affecting parameters and efficiency change between Changing Pattern, set up the true power consumption math modeling of belt conveyer, can be used as the foundation of energy consumption monitoring.For enterprise's energy efficiency management, eliminate in time and change highly energy-consuming equipment, realizing the optimum speed control of belt conveyer targetedly significant.
Frequency control belt conveyer operating efficiency is defined as the percentum of the effective power of belt conveyer end output and the effective power of source switch mouth.Be used in now the belt conveyer energy efficiency detection system of other mechanisms such as quality testing department, adopt the test method measuring system constructing about belt conveyer in JT/T 326-2009 " harbour belt conveyer efficiency of energy utilization method of inspection " and JB/T 11704-2013 " frequency control belt conveyor system efficiency test and amount of energy saving method of calculating " GB, more than 1 hour need be measured to measured parameter such as voltage, electric current, power factor, rotating speed, power and electric energy under same operating simultaneously.And existing detection needs after belt conveyer same operating point interval duplicate measurements three times under frequency control (each measure interval 10min ~ 15min), to measure aviation value as running efficiency of system, therefore cause existing installation to be not suitable for Application enterprise and carry out efficiency on-line monitoring, existing efficiency detection means is more unsuitable for as optimal control decision-making is implemented in belt conveyer frequency control.
Along with the propelling of energy-saving and emission-reduction fundamental state policy, the various duty parameter of belt conveyer changes the efficiency that causes and to reduce and energy consumption increase need cause the attention of each Application enterprise.Along with the application of belt conveyer Frequency Conversion and Speed Regulation Technique, more need for each belt conveyer is equipped with the efficiency on-Line Monitor Device that monitoring accuracy is high, data acquisition amount large, visuality is strong, realize the long-term Real-Time Monitoring of belt conveyer efficiency, promptly and accurately implement the decision-making of belt speed optimal control according to material instant flow rate change on load-transfer device, for enterprise's energy efficiency management, upgrade in time and transform highly energy-consuming equipment, to promote belt conveyer Energy Saving Control running technology significant.
Summary of the invention
The object of the present invention is to provide a kind of the belt conveyer efficiency on-line monitoring method and the monitoring system that are beneficial to enterprise's energy efficiency management, upgrade in time and transform highly energy-consuming equipment, promote belt conveyer Energy Saving Control running technology.
Technical solution of the present invention is:
A kind of belt conveyer efficiency on-line monitoring method, is characterized in that: comprise the following steps:
(1) first off-line training sample collection is carried out:
1) off-line training sample acquisition system builds
Build energy consumption testing system, adopt the sensing detection module comprising high-precision power instrument, dynamic torque sensor, tachogen, streams state laser reading devices, detect belt conveyor system horsepower input, output mechanical power, motor speed, material instant flow rate, final belt conveyor system efficiency, thus learn belt conveyer energy consumption size and Energy Efficiency Ratio;
Adopt three photoelectric encoders, be placed in respectively below head roll center shaft, conveyer interlude and be close to load-transfer device, changed course roll center axle place, obtain the conveyer tape speed signal of three test points, by gather belt conveyer starting, braking, at the uniform velocity, speed change time three position belt speed variation tracks, adopt function interpolation calculation to go out synchronization whole piece belt of belt conveyor belt speed Changing Pattern;
2) belt conveyer obtains without training sample off-line during material
Adopt " information processing and feature extraction " module to carry out feature extraction, through low speed, middling speed and high speed repetitive measurement, under obtaining three kinds of belt speed respectively, many groups are without the feature samples of horsepower input, output mechanical power and motor speed during material; Be defined as without the corresponding power consumption values of the feature samples under kind of the belt speed of three during material " belt conveyor system energy consumption ";
3) when belt conveyer has a material, training sample off-line obtains
Artificial material loading under low speed, middling speed and high speed three kinds of belt speed respectively, manufacturing material is evenly distributed and the combination of uneven various working, streams state laser reading devices is adopted to gather streams instant flow rate and streams distribution data, " information processing and feature extraction " module is adopted to carry out feature extraction, each operating mode is taken multiple measurements, obtains the feature samples such as horsepower input, output mechanical power, motor speed, material instant flow rate and streams distribution under each operating mode; By in different operating mode situation power consumption values subtract each other to without belt conveyor system power consumption values under corresponding belt speed during material situation, its difference can combine with corresponding feature samples, obtains belt conveyor system energy consumption and horsepower input, output mechanical power, motor speed, material instant flow rate and the corresponding form of streams distribution;
(2) online energy consumption monitoring
Adopt three photoelectric encoders to detect below driving drum of belt conveyor center shaft, conveyer interlude and be close to load-transfer device, changed course roll center axle place conveyer tape speed value, streams state laser reading devices is adopted to detect streams instant flow rate and streams distribution, adopt " information fusion and feature extraction " module to carry out feature extraction to signal, obtain tested sample; , the training sample structure high-dimensional feature space adopting " energy consumption detection training sample off-line acquisition module " to obtain, sets up the linear regression function of high-dimensional feature space; Adopt " regression fit based on SVMs is predicted " to obtain energy consumption predictor in belt conveyor system operational process, and belt conveyor system on-line monitoring energy consumption is exported as SVMs network.
The concrete grammar that belt conveyer obtains without training sample off-line during material is:
To be close to load-transfer device below head roll center shaft, conveyer interlude by not being placed in without the material time-division, belt speed signal that three photoelectric encoders at changed course roll center axle place export carries out denoising, by gather belt conveyer start, braking, at the uniform velocity, speed change time three position belt speed variation tracks, analyze load-transfer device starting, braking, correlativity at the uniform velocity, under speed change, adopt function interpolation calculation to go out synchronization whole piece belt of belt conveyor belt speed Changing Pattern, extract without belt of belt conveyor belt speed variation characteristic vector under material;
When belt conveyer runs without material, high-precision power instrument is adopted to gather belt conveyer horsepower input, dynamic torque sensor and tachogen measure belt conveyer output mechanical power, synchronization belt conveyer horsepower input and output mechanical power are subtracted each other, just obtain " belt conveyor system energy consumption ", extract belt conveyer startup, braking, at the uniform velocity, belt conveyor system energy consumption under speed change, and be combined with the proper vector that belt speed sensor obtains, obtain sample when belt conveyer runs without material; Adopt said method, take multiple measurements, obtain belt conveyor system energy consumption and belt speed proper vector sample when many groups are run without material.
A kind of belt conveyer efficiency on-line monitoring system, is characterized in that: comprise three and be placed in respectively and be close to load-transfer device, the photoelectric encoder at changed course roll center axle place and streams state laser reading devices below head roll center shaft, conveyer interlude; Three photoelectric encoders and streams state laser reading devices are connected with signal transacting and characteristic extracting module, and signal transacting and characteristic extracting module are connected with the regression fit prediction module based on SVMs.
The present invention proposes the belt conveyer energy consumption on-line monitoring method based on belt speed signal and the signal analysis of streams feed status.After the method only need obtain a large amount of training sample such as belt speed, streams feed status, belt conveyor system power consumption in off-line case, obtain the relation between belt conveyer energy consumption and conveyer tape speed, streams instant flow rate, streams distribution.Afterwards in the application without the need to additionally installing belt conveyer power consumption harvester additional, three photoelectric encoders are adopted to detect load-transfer device at head roll center shaft, conveyer interlude, the belt speed value at changed course roll center axle place, function interpolation calculation is adopted to go out synchronization whole piece belt of belt conveyor belt speed Changing Pattern, extract without belt of belt conveyor belt speed variation characteristic vector under material, the streams instant flow rate of bond stream state laser detector acquisition again, the characteristic parameters such as streams distribution, belt conveyer power consumption predictor is obtained by the regression fit prediction based on SVMs.
The invention provides a kind of novel belt conveyer energy consumption on-line monitoring system, only adopt three photoelectric encoders, streams feed status laser reading devices, belt conveyer energy consumption on-line monitoring can be realized, avoid existing energy-consumption monitoring system cost high, existing energy consumption monitoring means are loaded down with trivial details and lack the problems such as practicality, be conducive to realizing the long-term Real-Time Monitoring of belt conveyer efficiency, the decision-making of belt speed optimal control is promptly and accurately implemented according to material instant flow rate change on load-transfer device, for enterprise's energy efficiency management, upgrade in time and transform highly energy-consuming equipment, promote belt conveyer Energy Saving Control running technology significant.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is belt conveyer energy consumption on-line monitoring system constructional drawing of the present invention.Wherein there are photoelectric encoder, streams state laser reading devices, energy consumption detection training sample off-line acquisition module, signal transacting and characteristic extracting module, belt conveyer energy consumption on-line prediction module." signal transacting and characteristic extracting module " comprises denoising, the matching of function interpolation, streams feed status feature extraction (distribution of material instant flow rate, streams, streams total flow)." belt conveyer energy consumption on-line prediction module " realizes belt conveyer energy consumption on-line monitoring by the regression fit Forecasting Methodology based on SVMs.
Fig. 2 is belt conveyer of the present invention without material and training sample off-line acquisition methods schematic diagram when having material.
Fig. 3 is belt conveyer without material and the experimental technique schematic diagram that when having material, training sample off-line obtains.
Fig. 4 is the schematic layout pattern of sensor.Three photoelectric encoders are placed in below head roll center shaft, conveyer interlude is respectively close to load-transfer device, changed course roll center axle place, streams state laser reading devices is positioned over conveyer interlude (laser scanner aims at material vertically downward, makes material stream passed direction perpendicular through laser-scan covering of the fan).Dynamic torque sensor and tachogen all coaxially connect with belt conveyer drive motor.High-precision power instrument is for detecting belt conveyor system horsepower input.
Fig. 5 is the regression fit forecasting process schematic diagram based on SVMs.
Detailed description of the invention
A kind of belt conveyer efficiency on-line monitoring method, comprises the following steps:
(1) first off-line training sample collection is carried out:
1) off-line training sample acquisition system builds
According to JT/T 326-2009 " harbour belt conveyer efficiency of energy utilization method of inspection " and JB/T 11704-2013 " frequency control belt conveyor system efficiency test and amount of energy saving method of calculating " national standard, build energy consumption testing system, employing comprises high-precision power instrument, dynamic torque sensor, tachogen, the sensing detection module of streams state laser reading devices 2, detect belt conveyor system horsepower input, output mechanical power, motor speed, material instant flow rate, final belt conveyor system efficiency, thus learn belt conveyer energy consumption size and Energy Efficiency Ratio,
According to layout type shown in Fig. 4, adopt three photoelectric encoders 1, be placed in respectively below head roll center shaft, conveyer interlude and be close to load-transfer device, changed course roll center axle place, obtain the conveyer tape speed signal of three test points, by gather belt conveyer starting, braking, at the uniform velocity, speed change time three position belt speed variation tracks, adopt function interpolation calculation to go out synchronization whole piece belt of belt conveyor belt speed Changing Pattern;
2) belt conveyer obtains without training sample off-line during material
Adopt " information processing and feature extraction " module to carry out feature extraction, through low speed, middling speed and high speed repetitive measurement, under obtaining three kinds of belt speed respectively, many groups are without the feature samples of horsepower input, output mechanical power and motor speed during material; Be defined as without the corresponding power consumption values of the feature samples under kind of the belt speed of three during material " belt conveyor system energy consumption ";
3) when belt conveyer has a material, training sample off-line obtains
Respectively at low speed, artificial material loading under middling speed and at a high speed three kinds of belt speed, manufacturing material is evenly distributed and the various working such as uneven combination (as at the uniform velocity material loading, disposable accumulation material loading, the 1 meter of accumulation material loading in equispaced etc.), streams state laser reading devices is adopted to gather streams instant flow rate and streams distribution data, " information processing and feature extraction " module is adopted to carry out feature extraction, each operating mode is taken multiple measurements, obtain horsepower input under each operating mode, output mechanical power, motor speed, the feature samples such as material instant flow rate and streams distribution, by in different operating mode situation power consumption values subtract each other to without belt conveyor system power consumption values under corresponding belt speed during material situation, its difference can combine with corresponding feature samples, obtains belt conveyor system energy consumption and horsepower input, output mechanical power, motor speed, material instant flow rate and the corresponding form of streams distribution,
(2) online energy consumption monitoring
Adopt three photoelectric encoders to detect below driving drum of belt conveyor center shaft, conveyer interlude and be close to load-transfer device, changed course roll center axle place conveyer tape speed value, streams state laser reading devices is adopted to detect streams instant flow rate and streams distribution, adopt " information fusion and feature extraction " module to carry out feature extraction to signal, obtain tested sample; , the training sample structure high-dimensional feature space adopting " energy consumption detection training sample off-line acquisition module " to obtain, sets up the linear regression function of high-dimensional feature space; Adopt " regression fit based on SVMs is predicted " to obtain energy consumption predictor in belt conveyor system operational process, and belt conveyor system on-line monitoring energy consumption is exported as SVMs network.
The concrete grammar that belt conveyer obtains without training sample off-line during material is:
To be close to load-transfer device below head roll center shaft, conveyer interlude by not being placed in without the material time-division, belt speed signal that three photoelectric encoders at changed course roll center axle place export carries out denoising, by gather belt conveyer start, braking, at the uniform velocity, speed change time three position belt speed variation tracks, analyze load-transfer device starting, braking, correlativity at the uniform velocity, under speed change, adopt function interpolation calculation to go out synchronization whole piece belt of belt conveyor belt speed Changing Pattern, extract without belt of belt conveyor belt speed variation characteristic vector under material;
When belt conveyer runs without material, high-precision power instrument is adopted to gather belt conveyer horsepower input, dynamic torque sensor and tachogen measure belt conveyer output mechanical power, synchronization belt conveyer horsepower input and output mechanical power are subtracted each other, just obtain " belt conveyor system energy consumption ", extract belt conveyer startup, braking, at the uniform velocity, belt conveyor system energy consumption under speed change, and be combined with the proper vector that belt speed sensor obtains, obtain sample when belt conveyer runs without material; Adopt said method, take multiple measurements, obtain belt conveyor system energy consumption and belt speed proper vector sample when many groups are run without material.
When specifically normally running in belt conveyer is without streams situation, (laser scanner aims at material vertically downward to adopt streams state laser reading devices to be positioned over conveyer interlude, make material stream passed direction perpendicular through laser-scan covering of the fan), gather load-transfer device laser point cloud under belt conveyer high-speed cruising, scanning center and each collection point spacing and angle on every frame laser covering of the fan can be extracted.Every frame laser point cloud data is carried out (
x, y) coordinate transformation, every frame laser covering of the fan area can be calculated, extract belt conveyer without frame laser covering of the fan area every during streams, laser covering of the fan center of gravity as characteristic parameter, and be combined with the belt speed proper vector that photoelectric encoder obtains, through low speed, middling speed and high speed repetitive measurement, under obtaining three kinds of belt speed respectively, many groups are without feature samples such as horsepower input, output mechanical power and motor speeds during material.Adopt said method, repeatedly test, obtain many groups of " belt conveyor system energy consumption " training samples.
A kind of belt conveyer efficiency on-line monitoring system, is characterized in that: comprise three and be placed in respectively and be close to load-transfer device, the photoelectric encoder at changed course roll center axle place and streams state laser reading devices below head roll center shaft, conveyer interlude; Three photoelectric encoders and streams state laser reading devices are connected with signal transacting and characteristic extracting module, and signal transacting and characteristic extracting module are connected with the regression fit prediction module based on SVMs.
Claims (3)
1. a belt conveyer efficiency on-line monitoring method, is characterized in that: comprise the following steps:
(1) first off-line training sample collection is carried out:
1) off-line training sample acquisition system builds
Build energy consumption testing system, adopt the sensing detection module comprising high-precision power instrument, dynamic torque sensor, tachogen, streams state laser reading devices, detect belt conveyor system horsepower input, output mechanical power, motor speed, material instant flow rate, final belt conveyor system efficiency, thus learn belt conveyer energy consumption size and Energy Efficiency Ratio;
Adopt three photoelectric encoders, be placed in respectively below head roll center shaft, conveyer interlude and be close to load-transfer device, changed course roll center axle place, obtain the conveyer tape speed signal of three test points, by gather belt conveyer starting, braking, at the uniform velocity, speed change time three position belt speed variation tracks, adopt function interpolation calculation to go out synchronization whole piece belt of belt conveyor belt speed Changing Pattern;
2) belt conveyer obtains without training sample off-line during material
Adopt " information processing and feature extraction " module to carry out feature extraction, through low speed, middling speed and high speed repetitive measurement, under obtaining three kinds of belt speed respectively, many groups are without the feature samples of horsepower input, output mechanical power and motor speed during material; Be defined as without the corresponding power consumption values of the feature samples under kind of the belt speed of three during material " belt conveyor system energy consumption ";
3) when belt conveyer has a material, training sample off-line obtains
Artificial material loading under low speed, middling speed and high speed three kinds of belt speed respectively, manufacturing material is evenly distributed and the combination of uneven various working, streams state laser reading devices is adopted to gather streams instant flow rate and streams distribution data, " information processing and feature extraction " module is adopted to carry out feature extraction, each operating mode is taken multiple measurements, obtains the feature samples such as horsepower input, output mechanical power, motor speed, material instant flow rate and streams distribution under each operating mode; By in different operating mode situation power consumption values subtract each other to without belt conveyor system power consumption values under corresponding belt speed during material situation, its difference can combine with corresponding feature samples, obtains belt conveyor system energy consumption and horsepower input, output mechanical power, motor speed, material instant flow rate and the corresponding form of streams distribution;
(2) online energy consumption monitoring
Adopt three photoelectric encoders to detect below driving drum of belt conveyor center shaft, conveyer interlude and be close to load-transfer device, changed course roll center axle place conveyer tape speed value, streams state laser reading devices is adopted to detect streams instant flow rate and streams distribution, adopt " information fusion and feature extraction " module to carry out feature extraction to signal, obtain tested sample; , the training sample structure high-dimensional feature space adopting " energy consumption detection training sample off-line acquisition module " to obtain, sets up the linear regression function of high-dimensional feature space; Adopt " regression fit based on SVMs is predicted " to obtain energy consumption predictor in belt conveyor system operational process, and belt conveyor system on-line monitoring energy consumption is exported as SVMs network.
2. belt conveyer efficiency on-line monitoring method according to claim 1, is characterized in that: the concrete grammar that belt conveyer obtains without training sample off-line during material is:
To be close to load-transfer device below head roll center shaft, conveyer interlude by not being placed in without the material time-division, belt speed signal that three photoelectric encoders at changed course roll center axle place export carries out denoising, by gather belt conveyer start, braking, at the uniform velocity, speed change time three position belt speed variation tracks, analyze load-transfer device starting, braking, correlativity at the uniform velocity, under speed change, adopt function interpolation calculation to go out synchronization whole piece belt of belt conveyor belt speed Changing Pattern, extract without belt of belt conveyor belt speed variation characteristic vector under material;
When belt conveyer runs without material, high-precision power instrument is adopted to gather belt conveyer horsepower input, dynamic torque sensor and tachogen measure belt conveyer output mechanical power, synchronization belt conveyer horsepower input and output mechanical power are subtracted each other, just obtain " belt conveyor system energy consumption ", extract belt conveyer startup, braking, at the uniform velocity, belt conveyor system energy consumption under speed change, and be combined with the proper vector that belt speed sensor obtains, obtain sample when belt conveyer runs without material; Adopt said method, take multiple measurements, obtain belt conveyor system energy consumption and belt speed proper vector sample when many groups are run without material.
3. a belt conveyer efficiency on-line monitoring system, is characterized in that: comprise three and be placed in respectively and be close to load-transfer device, the photoelectric encoder at changed course roll center axle place and streams state laser reading devices below head roll center shaft, conveyer interlude; Three photoelectric encoders and streams state laser reading devices are connected with signal transacting and characteristic extracting module, and signal transacting and characteristic extracting module are connected with the regression fit prediction module based on SVMs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610902166.1A CN106477273B (en) | 2015-06-02 | 2015-06-02 | Ribbon conveyer energy consumption Forecasting Methodology based on support vector machines |
| CN201610903773.XA CN106347970B (en) | 2015-06-02 | 2015-06-02 | A kind of ribbon conveyer energy efficiency monitoring method with online energy efficiency monitoring |
| CN201510295101.0A CN105000355B (en) | 2015-06-02 | 2015-06-02 | Belt conveyor on-line energy efficiency monitoring method |
| CN201610900981.4A CN106241281B (en) | 2015-06-02 | 2015-06-02 | Ribbon conveyer energy consumption on-line monitoring method based on mass flow laser detection |
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| CN201610900981.4A Division CN106241281B (en) | 2015-06-02 | 2015-06-02 | Ribbon conveyer energy consumption on-line monitoring method based on mass flow laser detection |
| CN201610903773.XA Division CN106347970B (en) | 2015-06-02 | 2015-06-02 | A kind of ribbon conveyer energy efficiency monitoring method with online energy efficiency monitoring |
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| CN201610902166.1A Expired - Fee Related CN106477273B (en) | 2015-06-02 | 2015-06-02 | Ribbon conveyer energy consumption Forecasting Methodology based on support vector machines |
| CN201510295101.0A Expired - Fee Related CN105000355B (en) | 2015-06-02 | 2015-06-02 | Belt conveyor on-line energy efficiency monitoring method |
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| CN105000355B (en) * | 2015-06-02 | 2017-04-12 | 南通大学 | Belt conveyor on-line energy efficiency monitoring method |
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| CN109030402A (en) * | 2018-08-21 | 2018-12-18 | 浙江大学 | The on-line measuring device and method of foreign matter inside non-destructive testing bread |
| CN110342209A (en) * | 2019-08-13 | 2019-10-18 | 武汉科技大学 | Intelligent speed-regulating belt conveyor tension cooperative control system and control method |
| CN111169942A (en) * | 2020-01-19 | 2020-05-19 | 武汉科技大学 | Belt conveyor control device and method based on multi-target particle swarm algorithm |
| CN112722762A (en) * | 2020-12-17 | 2021-04-30 | 北京冠明机械科技有限公司 | Intelligent control energy-saving system and control method of belt conveyor |
| CN112793989A (en) * | 2020-12-25 | 2021-05-14 | 中国矿业大学 | Intelligent speed regulation method of belt conveyor based on material monitoring |
| CN112793989B (en) * | 2020-12-25 | 2021-11-19 | 中国矿业大学 | Intelligent speed regulation method of belt conveyor based on material monitoring |
| CN113844857A (en) * | 2021-08-02 | 2021-12-28 | 上海大学 | Method for identifying six types of running states of belt conveyor carrier roller based on sound wave signals |
| CN113895909A (en) * | 2021-10-21 | 2022-01-07 | 武汉科技大学 | Flexible speed regulation control method of belt conveyor considering material type and material quantity |
| CN113895909B (en) * | 2021-10-21 | 2023-02-07 | 武汉科技大学 | Flexible speed regulation control method of belt conveyor considering material type and material quantity |
| CN114538124A (en) * | 2022-03-22 | 2022-05-27 | 乌海市榕鑫能源实业有限责任公司 | Intelligent coal blending process based on multifunctional weighing display controller |
| CN114538124B (en) * | 2022-03-22 | 2023-01-03 | 乌海市榕鑫能源实业有限责任公司 | Intelligent coal blending process based on multifunctional weighing display controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105000355B (en) | 2017-04-12 |
| CN106477273A (en) | 2017-03-08 |
| CN106241281B (en) | 2018-05-15 |
| CN106477273B (en) | 2018-07-10 |
| CN106347970A (en) | 2017-01-25 |
| CN106241281A (en) | 2016-12-21 |
| CN106347970B (en) | 2018-06-22 |
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