CN105300454A - Coal cutter online state monitoring system - Google Patents
Coal cutter online state monitoring system Download PDFInfo
- Publication number
- CN105300454A CN105300454A CN201510776477.3A CN201510776477A CN105300454A CN 105300454 A CN105300454 A CN 105300454A CN 201510776477 A CN201510776477 A CN 201510776477A CN 105300454 A CN105300454 A CN 105300454A
- Authority
- CN
- China
- Prior art keywords
- magnetic coupling
- synchronous disk
- fiber
- coupling synchronous
- coalcutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention provides a coal cutter online state monitoring system. The coal cutter online state monitoring system comprises a plurality of fiber grating sensors which are arranged in the circumferential direction of the inner wall of a coal cutter rotary barrel. The fiber grating sensors are serially connected and led out through one transmission optical fiber and are connected with a fiber grating demodulation instrument through an optical signal wireless transmission system, and an output end of the fiber grating demodulation instrument is connected with a data processing system, wherein the plurality of fiber grating sensors collects required physical parameters in the cutting process of the rotary barrel. By adopting the coal cutter online state monitoring system, a plurality of parameters in the dynamic process of a coal cutter are collected by one time, and the plurality of parameters are transmitted through one transmission optical fiber, so that the multi-parameter online dynamic monitoring is carried out on the coal cutter by means of the fiber grating sensing technology.
Description
Technical field
The invention belongs to coal intellectuality pick and adopt technique and equipment field, be specifically related to a kind of coalcutter on-line condition monitoring system.
Background technology
Coal industry is the important foundation industry of relation economic life line of the country, supports national economy and grows continuously and fast.Combining and adopting equipment intellectuality is the gordian technique that colliery realizes mechanization, automated production, and it is the key link realizing unmanned mining, both most important to raising coal production efficiency, also very important to minimizing colliery casualty accident.Combine and adopt the perception of equipment running status, fully-mechanized mining working operating condition sensing, equipment performance prediction and intelligent maintenance, improve the gordian technique that equipment operational reliability is robotization ore deposit.
At home and abroad, by literature retrieval and inquiry, also not seeing by fiber grating sensing technology overall application in combining the relevant report of adopting equipment performance measurement, particularly carrying out for coalcutter swing roller cutting course in monitoring or blank.At home and abroad, although existing minority fiber-optic grating sensor is used for combining the report adopting equipment performance parameter monitoring, but conclude the foreign literature consulted to see, fiber grating sensing technology mainly still belongs to static in comprehensive application of adopting equipment field, one-parameter monitoring, using optical fibre grating sensing detection technology realizes combining the On-Line Dynamic Monitoring aspect of adopting equipment, external majority is also in the experimental study stage, yet there are no relevant report in the on-line condition monitoring being especially applied to coalcutter at fiber grating sensing technology.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of coalcutter on-line condition monitoring system, utilize fiber grating sensing technology to carry out multiparameter On-Line Dynamic Monitoring to coalcutter.
The present invention for solving the problems of the technologies described above taked technical scheme is: a kind of coalcutter on-line condition monitoring system, it is characterized in that: it is included in multiple fiber-optic grating sensors that coalcutter swing roller inwall circumference is arranged, fiber-optic grating sensor is drawn through light signal wireless transmitting system by a Transmission Fibers series connection and transfers to fiber Bragg grating (FBG) demodulator, and the output terminal of fiber Bragg grating (FBG) demodulator is connected with data handling system; Wherein multiple fiber-optic grating sensor gathers the physical parameter required for swing roller cutting course.
By said system, described light signal wireless transmitting system comprises the first magnetic coupling synchronous disk, the second magnetic coupling synchronous disk, optical fiber collimator and shaft collar; First magnetic coupling synchronous disk is arranged in swing roller rotor, is connected by bearing with rotor; Second magnetic coupling synchronous disk is arranged in swing roller stator and is connected with stator by bearing, and by magnetic coupling with the rotation of the first magnetic coupling synchronous disk synchronous axial system; Shaft collar is arranged on stator;
Described Transmission Fibers is passed from the centre of the first magnetic coupling synchronous disk and the second magnetic coupling synchronous disk successively, and by described optical fiber collimator wireless transmission between the second magnetic coupling synchronous disk and shaft collar, drawn by the Transmission Fibers in shaft collar again, be connected with described fiber Bragg grating (FBG) demodulator.
Beneficial effect of the present invention is:
1, by adopting present system, the multiparameter realized in coalcutter dynamic process once gathers, and carries out the transmission of multiparameter by a Transmission Fibers, achieves and utilizes fiber grating sensing technology to carry out multiparameter On-Line Dynamic Monitoring to coalcutter.
2,2 magnetic coupling synchronous disks are adopted, although they are rigidly connected with rotor and stator machinery respectively, but because optical fiber itself is very soft, first magnetic coupling synchronous disk can not pass to the second magnetic coupling synchronous disk with the vibration that rotor produces, achieve " the flexibly connecting " between two magnetic coupling synchronous disks, this addresses the problem the disturbance of swing roller operation shaft, vibration deviation etc. and cause the interference problem of coupled characteristic change to light beam, ensure axis of rotation and optical axis high-precise synchronization, thus ensure coupling efficiency and the light stability of transmission light in rotary course.
3, the wireless transmission by adopting optical fiber collimator to carry out light signal, the lens of transmitting terminal can make the cone-shaped beam launched from optical fiber become parallel beam, the lens of receiving end can make to become cone-shaped beam from the parallel beam of incidence, thus improve the wireless coupling efficiency of Transmission Fibers greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of light signal wireless transmitting system.
In figure: 1-fiber-optic grating sensor, 2-Transmission Fibers, 3-swing roller, 4-light signal wireless transmitting system, 5-fiber Bragg grating (FBG) demodulator, 6-data handling system, 4-1-rotor, 4-2-first magnetic coupling synchronous disk, 4-3-second magnetic coupling synchronous disk, 4-4-shaft collar, 4-5-stator.
Embodiment
Below in conjunction with instantiation and accompanying drawing, the present invention will be further described.
Fig. 1 is the structural representation of one embodiment of the invention, a kind of coalcutter on-line condition monitoring system, be included in multiple fiber-optic grating sensors 1 that coalcutter swing roller 3 inwall circumference is arranged, fiber-optic grating sensor 1 is drawn through light signal wireless transmitting system 4 by Transmission Fibers 2 series connection and transfers to fiber Bragg grating (FBG) demodulator 5, and the output terminal of fiber Bragg grating (FBG) demodulator 5 is connected with data handling system 6; Wherein multiple fiber-optic grating sensor 1 gathers the physical parameter required for swing roller cutting course.
Described light signal wireless transmitting system 4 as shown in Figure 2, comprises the first magnetic coupling synchronous disk 4-2, the second magnetic coupling synchronous disk 4-3, optical fiber collimator and shaft collar 4-4; First magnetic coupling synchronous disk 4-2 is arranged in swing roller 3 rotor 4-1, is connected by bearing with rotor 4-1; Second magnetic coupling synchronous disk 4-3 is arranged in swing roller stator and is connected with stator 4-5 by bearing, and by magnetic coupling with the rotation of the first magnetic coupling synchronous disk 4-2 synchronous axial system; Shaft collar 4-4 is arranged on stator 4-5.
Described Transmission Fibers 2 is passed from the centre of the first magnetic coupling synchronous disk 4-2 and the second magnetic coupling synchronous disk 4-3 successively, and by described optical fiber collimator wireless transmission between the second magnetic coupling synchronous disk 4-3 and shaft collar 4-4, drawn by the Transmission Fibers 2 in shaft collar 4-4 again, be connected with described fiber Bragg grating (FBG) demodulator 5.
Coalcutter complex structure, the influence factor causing state to change is more, realizes multiparameter distributed sensing and detects, be faced with the problems such as the foundation of measuring point network and laying method.The present invention is fused to basic means with multi-crossed disciplines, in analysis coalcutter system and the design feature of cutting drum and the basis of various operating mode feature, according to the model of part ━ ━ parts (structure) the ━ ━ system of coalcutter, by carrying out Mechanical Property Analysis and the test data analysis of each level, carry out the performance development rule of each level and the analysis of sign, in conjunction with fiber grating sensing technology feature and performance, for distribution detection provides sensing points planning, the foundation of point layout and temperature compensation, carry out layout optimization and error analysis, finally form coalcutter running status distribution on line sensor-based system, and realize engineer applied checking.
To combine, the present invention to adopt in equipment that the most complicated equipment--coalcutter is for object, research coalcutter state aware, fully-mechanized mining working operating condition sensing, equipment performance predict the Key Common Technologies with intelligent maintenance, gordian technique is provided for realizing the unmanned exploitation of coalcutter, for efficient, the safe working of coal resources in China provide technical support, to the producing capacity improving coal resources in China, avoid or reduce the generation of great personnel's injury in underground mining, guarantee safe coal, high-efficiency mining have important practical significance and strategic importance.
Above embodiment is only for illustration of design philosophy of the present invention and feature, and its object is to enable those skilled in the art understand content of the present invention and implement according to this, protection scope of the present invention is not limited to above-described embodiment.So all equivalent variations of doing according to disclosed principle, mentality of designing or modification, all within protection scope of the present invention.
Claims (2)
1. a coalcutter on-line condition monitoring system, it is characterized in that: it is included in multiple fiber-optic grating sensors that coalcutter swing roller inwall circumference is arranged, fiber-optic grating sensor is drawn through light signal wireless transmitting system by a Transmission Fibers series connection and transfers to fiber Bragg grating (FBG) demodulator, and the output terminal of fiber Bragg grating (FBG) demodulator is connected with data handling system; Wherein multiple fiber-optic grating sensor gathers the physical parameter required for swing roller cutting course.
2. coalcutter on-line condition monitoring system according to claim 1, is characterized in that: described light signal wireless transmitting system comprises the first magnetic coupling synchronous disk, the second magnetic coupling synchronous disk, optical fiber collimator and shaft collar; First magnetic coupling synchronous disk is arranged in swing roller rotor, is connected by bearing with rotor; Second magnetic coupling synchronous disk is arranged in swing roller stator and is connected with stator by bearing, and by magnetic coupling with the rotation of the first magnetic coupling synchronous disk synchronous axial system; Shaft collar is arranged on stator;
Described Transmission Fibers is passed from the centre of the first magnetic coupling synchronous disk and the second magnetic coupling synchronous disk successively, and by described optical fiber collimator wireless transmission between the second magnetic coupling synchronous disk and shaft collar, drawn by the Transmission Fibers in shaft collar again, be connected with described fiber Bragg grating (FBG) demodulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776477.3A CN105300454A (en) | 2015-11-13 | 2015-11-13 | Coal cutter online state monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776477.3A CN105300454A (en) | 2015-11-13 | 2015-11-13 | Coal cutter online state monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105300454A true CN105300454A (en) | 2016-02-03 |
Family
ID=55197980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510776477.3A Pending CN105300454A (en) | 2015-11-13 | 2015-11-13 | Coal cutter online state monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105300454A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225906A (en) * | 2016-04-11 | 2016-12-14 | 中国矿业大学 | A kind of coal mining machine roller vibration monitoring device based on Fibre Optical Sensor and method |
| CN112253106A (en) * | 2020-11-05 | 2021-01-22 | 河南理工大学 | Be used for coal-winning machine cylinder fiber grating intelligent recognition coal petrography device |
| CN113654788A (en) * | 2021-09-18 | 2021-11-16 | 西华师范大学 | Optical fiber sensing system for online monitoring of rotating shaft state |
| CN114088436A (en) * | 2021-10-25 | 2022-02-25 | 武汉理工大学 | Health monitoring and fault diagnosis system for large-scale rotating machinery structure |
| CN114812635A (en) * | 2022-04-19 | 2022-07-29 | 中国兵器工业第五九研究所 | Modularized multi-parameter water quality monitoring fiber grating sensor |
| CN114088436B (en) * | 2021-10-25 | 2024-05-03 | 武汉理工大学 | Large-scale rotating machinery structure health monitoring and fault diagnosis system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109649A (en) * | 2007-05-23 | 2008-01-23 | 武汉理工大学 | Optical fiber grating sensing measuring method and device for detecting running state of rotating machine |
| CN101251444A (en) * | 2007-12-29 | 2008-08-27 | 武汉理工大学 | System for on-line monitoring health of tippler based on optical fiber and optical grating sensing |
| US20120152035A1 (en) * | 2010-12-17 | 2012-06-21 | Industrial Technology Research Institute | Non-contact measurement signal transmission system and method thereof |
| US20130345035A1 (en) * | 2011-02-25 | 2013-12-26 | Voith Patent Gmbh | Paper machine roller with fiber bragg sensors |
| CN103628872A (en) * | 2013-12-05 | 2014-03-12 | 江西华煤重装有限公司 | Folding-arm type tunneling machine capable of monitoring intelligently and automatically regulating rotate speed of cutting head |
-
2015
- 2015-11-13 CN CN201510776477.3A patent/CN105300454A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109649A (en) * | 2007-05-23 | 2008-01-23 | 武汉理工大学 | Optical fiber grating sensing measuring method and device for detecting running state of rotating machine |
| CN101251444A (en) * | 2007-12-29 | 2008-08-27 | 武汉理工大学 | System for on-line monitoring health of tippler based on optical fiber and optical grating sensing |
| US20120152035A1 (en) * | 2010-12-17 | 2012-06-21 | Industrial Technology Research Institute | Non-contact measurement signal transmission system and method thereof |
| CN102542770A (en) * | 2010-12-17 | 2012-07-04 | 财团法人工业技术研究院 | Non-contact measurement signal transmission system and method thereof |
| US20130345035A1 (en) * | 2011-02-25 | 2013-12-26 | Voith Patent Gmbh | Paper machine roller with fiber bragg sensors |
| CN103628872A (en) * | 2013-12-05 | 2014-03-12 | 江西华煤重装有限公司 | Folding-arm type tunneling machine capable of monitoring intelligently and automatically regulating rotate speed of cutting head |
Non-Patent Citations (1)
| Title |
|---|
| 赵克中编著: "《磁耦合传动装置的理论与设计》", 30 September 2009, 化学工业出版社 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225906A (en) * | 2016-04-11 | 2016-12-14 | 中国矿业大学 | A kind of coal mining machine roller vibration monitoring device based on Fibre Optical Sensor and method |
| CN106225906B (en) * | 2016-04-11 | 2019-01-11 | 中国矿业大学 | A kind of coal mining machine roller vibration monitoring device and method based on Fibre Optical Sensor |
| CN112253106A (en) * | 2020-11-05 | 2021-01-22 | 河南理工大学 | Be used for coal-winning machine cylinder fiber grating intelligent recognition coal petrography device |
| CN112253106B (en) * | 2020-11-05 | 2021-10-26 | 河南理工大学 | Be used for coal-winning machine cylinder fiber grating intelligent recognition coal petrography device |
| WO2022095202A1 (en) * | 2020-11-05 | 2022-05-12 | 河南理工大学 | Fiber grating intelligent coal-rock identification device for shearer drum |
| CN113654788A (en) * | 2021-09-18 | 2021-11-16 | 西华师范大学 | Optical fiber sensing system for online monitoring of rotating shaft state |
| CN113654788B (en) * | 2021-09-18 | 2023-09-08 | 西华师范大学 | Optical fiber sensing system for online monitoring of rotating shaft state |
| CN114088436A (en) * | 2021-10-25 | 2022-02-25 | 武汉理工大学 | Health monitoring and fault diagnosis system for large-scale rotating machinery structure |
| CN114088436B (en) * | 2021-10-25 | 2024-05-03 | 武汉理工大学 | Large-scale rotating machinery structure health monitoring and fault diagnosis system |
| CN114812635A (en) * | 2022-04-19 | 2022-07-29 | 中国兵器工业第五九研究所 | Modularized multi-parameter water quality monitoring fiber grating sensor |
| CN114812635B (en) * | 2022-04-19 | 2023-10-20 | 中国兵器工业第五九研究所 | Modularized multi-parameter water quality monitoring fiber bragg grating sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105300454A (en) | Coal cutter online state monitoring system | |
| CN204461490U (en) | A kind of hyperchannel multiplexed signals automatic acquisition device with artificial comparing and testing function | |
| CN104613885B (en) | A kind of tunnel interior conduit monitoring and warning system | |
| CN101172561A (en) | Real time on-line safety monitoring system for container crane | |
| CN109084835A (en) | A kind of electric machines test and remote monitoring system based on PXIe test platform | |
| CN105403236B (en) | Optical fiber sensing device and method of mechanical state of coal cutter | |
| CN104454007A (en) | Mine safety early warning system based on multi-fiber-core optical fibers | |
| CN101109649A (en) | Optical fiber grating sensing measuring method and device for detecting running state of rotating machine | |
| CN103412550A (en) | Long-distance automation monitoring method of electric power tunnel pipe-jacking construction | |
| CN104635691A (en) | Cloud service system for data acquisition and analysis | |
| CN204028105U (en) | A kind of fiber Bragg grating type wind speed measuring device | |
| CN103528749B (en) | Based on coal mine tunnel top board hydraulic pressure on-line monitoring system and the method for fiber grating | |
| CN103306662B (en) | A kind of on-line monitoring and diagnosis system of all-hydraulic drill | |
| CN203965033U (en) | A kind of boom-type roadheader spindle vibration monitoring running state device | |
| CN103759686A (en) | Automatic jigger axis measuring device and measuring method thereof | |
| CN104088306A (en) | Wireless monitoring and early warning system for deep foundation pit comprehensive parameters | |
| CN204461486U (en) | A kind of wireless data acquisition system based on Internet of Things | |
| CN104089652A (en) | On-line monitoring system and method of fiber grating transformer | |
| CN201725039U (en) | Microearthquake signal detecting device based on Ethernet interface | |
| CN103440754A (en) | Wireless distribution type network data monitoring system | |
| CN205175690U (en) | Online fault diagnostic of wind generating set based on DSP | |
| CN203224437U (en) | Coal gas concentration detector | |
| CN201037812Y (en) | Optical fibre grating sensing device for on-line monitoring large-scale rotating body state | |
| CN201151621Y (en) | Real-time and on-line safety monitoring device for container crane | |
| CN205802702U (en) | A kind of industrial upgrading machine long-distance monitorng device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |