CN201749091U - Coal mine belt X-ray perspective detection system - Google Patents

Coal mine belt X-ray perspective detection system Download PDF

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Publication number
CN201749091U
CN201749091U CN2010201080903U CN201020108090U CN201749091U CN 201749091 U CN201749091 U CN 201749091U CN 2010201080903 U CN2010201080903 U CN 2010201080903U CN 201020108090 U CN201020108090 U CN 201020108090U CN 201749091 U CN201749091 U CN 201749091U
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China
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module
belt
detection
control system
data
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Expired - Lifetime
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CN2010201080903U
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梁石磊
屈俊健
杨奎
朱春雨
董明
向霞
程培俊
金素鹏
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SHANGHAI EASTIMAGE EQUIPMENTS CO Ltd
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SHANGHAI EASTIMAGE EQUIPMENTS CO Ltd
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Abstract

The utility model relates to a coal mine belt X-ray perspective detection system, which includes a main control system, a ray source module, a detection and collection module, a data transmission module, a remote control module, and an environment collection module, wherein the main control system is used for receiving and processing data and giving orders; the detection and acquisition module is used for detecting the X-rays passing through a belt, collecting the detected X-rays to acquire digital signals repressing certain ray source strengths, and having communication with the following data transmission module; the data transmission module transmits the data output by the detection and acquisition module to the main control system; the remote control module is communicated with the main control system, and controls the opening/closing of the ray source module and the detection and collection module; and the environment collection module collects the environment information in the ray source and the detection device, as well as the speed of the belt passing through the detection device, and transmits to the main control system. The coal mine belt X-ray perspective detection system realizes the non-stop detection to the belt, accurately determines joint and abnormal zone positions through the scanning analysis on the belt, improves the detection efficiency to the abnormal zone, and eliminates harms caused by traditional equipment to detection personnel..

Description

A kind of coal mine leather belt radioscopy detection system
Technical field
The utility model relates to the radioscopy technical applications, refers more particularly to a kind of coal mine leather belt radioscopy detection system of carrying out the belt safety detection.
Background technology
The X ray technology has application more widely in the coal mine leather belt safety detection at present, can be clear that the structure and the state of belt inner wire by the radioscopy image, find whether steel wire exists fracture and corrosion, and then for the more serious region of fracture, can in time take its repair measures, reduce the possibility that fracture takes place belt.
Traditional coal mine leather belt X ray checkout equipment mostly is the hand-held X-ray machine, need be under the situation of belt stall, by the hand-held this equipment of special tester, diverse location at belt carries out local transmission imaging, find whether to exist in the steel wire unusual, this detection method often needs to expend a large amount of time, because the general length of coal mine leather belt is many kilometers of 3-10, complete detection once needs several days time, in long testing process, usually exist because the belt part abnormal area is missed in testing staff's carelessness.And under this operating mode, though the testing staff wears protective clothing, for a long time x-ray bombardment also can exert an influence to testing staff's health.Traditional in addition X ray detects and is just undertaken by the mode of partial sweep, if the user need understand the situation of change of some zones twice scanning in front and back, contrasts the twice imaging difference in same zone etc., and traditional detection method is difficult to accomplish.
And need belt equipment to be in not operating condition when detecting, this production to the colliery is bound to impact; Existing equipment can only detect the belt local location simultaneously, and coal mine leather belt usually has several kilometers, even tens kilometers long, light is difficult to carry out complete test with the method that manually detects, and is difficult to comprehensively find the problem that belt may occur.
The utility model content
Technical problem to be solved in the utility model is, overcome existing coal mine leather belt perspective checkout equipment and can not realize that belt detects fully automatically, a kind of device that can carry out complete X-ray scanning to coal mine leather belt automatically is provided, and according to scan-data, automatically analyze, locate belt lacing zone and all abnormal areas, simultaneously can analyze, contrast repeatedly scanning result, the variation in belt part zone be analyzed the zone that discovery may go wrong.
In order to solve top technical matters, the utility model provides a kind of coal mine leather belt radioscopy detection system, and this system mainly comprises:
Master control system; Described master control system is used for carrying out Data Receiving and processing and sends dependent instruction;
Radiation source module; Described radiation source module has the radiographic source that can launch X ray to belt; Described radiation source module can produce the X ray of the continuous energy level of certain energy, and the startup of this module and closing by remote control module control is before each the collection, open X ray, acquisition module begins image data, has by the time gathered after the circle belt data, close X ray, stop to gather; The time that opens and closes ray is depended on strap length and belt travelling speed;
Survey and acquisition module; Described detection and acquisition module comprise sniffer that the X ray that penetrates behind the belt is surveyed and by acquisition module wherein the X ray that is detected are gathered to obtain the digital signal of certain gamma ray source strength; After X ray after will penetrating belt was converted into digital signal, the output data of this module was delivered in the master control system after by the data transmission module framing;
Data transmission module; Described data transmission module will be surveyed and the output data of acquisition module is formed Frame, by the optical fiber mode Frame will be sent in the master control system;
Remote control module; Described remote control module is responsible for and the long-range master control system on upper strata is carried out communication, and according to the order of master control system radiation source module and detection and acquisition module is controlled; Control radiogenic opening and closing, start and stop collecting device, and site environment information is delivered to long-range master control system;
The environment acquisition module; Velocity magnitude when described environment acquisition module is responsible for collecting main environment data targets such as temperature in described radiographic source and the sniffer, humidity and belt and is passed sniffer, and collected information is delivered in the master control system by remote control module.
As the further improvement of the technical program, described master control system comprises:
Operation control module; Described operation control module is to the data collection and analyze realization control automatically, by the timing operation function is provided, realizes that unattended belt scans and analyzes; Making this detection system not need belt to shut down can detect, and by the timing operation function, the realization working time is scanned and analyzes belt;
Data memory module; Described data memory module real-time storage is by surveying and acquisition module is gathered and via image scan data that data transmission module transmitted; The data that detector (aforementioned sniffer a kind of) acquisition module is obtained are sent to remote equipment room by network mode, by data transmission module the data that receive are carried out framing then, and the mode by high speed communication is delivered in the computer and goes again;
Scan database; Described scan database is responsible for storing the analysis result information that partial data and data analysis module provided that belt scans each time;
Data analysis module; Described data analysis module is analyzed the sampled datas such as image data file in the described scan database, and automatically location scanning data center tap and abnormal area can compare scanning result repeatedly, find the region of variation of repeatedly checking;
Data disaply moudle; Described data disaply moudle is converted into gray level image with the X-ray scanning result and shows; And joint of having done according to data analysis module and abnormal area result's judgement, show the view data of belt correspondence position automatically.
As the further improvement of the technical program, described master control system also comprises:
Alarm module; Described alarm module if the abnormal condition zone is arranged, is notified the testing staff according to the output result of data analysis module, for the severely subnormal zone, sends alarm.
Also as the further improvement of the technical program, described environment acquisition module comprises a Hall element.
Wherein, described environment acquisition module, be mainly used to gather in real time the temperature and humidity information in the anti-riot case of anti-riot case in radiographic source place and detector place, the environment acquisition module also obtains the running speed of belt in real time in addition, analysis module is according to belt running speed and sample frequency, can calculate image pixel resolution, be used for length computation.
In addition, described data memory module, the view data that real-time storage collects.And since sample rate too fast, system has little time the real-time analysis scan-data, just in real time data storage is got off, wait the end of scan after, restart analysis process.
Adopt system described in the utility model; compared with prior art; can realize coal mine leather belt do not shut down detection; by complete scan and automatic the analysis to belt; accurately locate belt center tap position and abnormal area position; raising is to the detection efficiency of belt abnormal area, and elimination traditional X-ray radiation detection apparatus is to testing staff's injury.
Description of drawings
Fig. 1 is a system module block diagram of the present utility model;
Fig. 2 is the another kind of expression-form of Fig. 1;
Fig. 3 is a system flowchart of the present utility model;
Fig. 4 is the acquisition module control flow chart;
Fig. 5 is data analysis and processing flow chart;
Embodiment
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme described in the utility model:
Fig. 1 and Fig. 2 are system architecture of the present utility model and principle schematic.
As depicted in figs. 1 and 2, the utility model system comprises that the major equipment module has: x-ray source equipment, as X-ray machine; Survey and collecting device, detecting plate obtains the simulating signal after X ray penetrates belt, and acquisition module is changed the signal of detecting plate output by A/D, obtain digital signal.As shown in Figure 1, belt is between detecting plate and the radiographic source, and to radiogenic distance, belt can calculate the width of detecting plate to the distance of detecting plate according to belt width, belt; Data transmission set is meant the data that collect in the remote gathering system, is encapsulated in the high speed communication agreement, passes in the master control system by the optical fiber mode, carries out data storage and analysis by master control system; Environmental monitoring equipment in the environment acquisition module mainly is some sensor devices, can obtain information such as temperature in radiographic source device and the detector assembly, speed in real time, be convenient to master control system and understand the duty of acquisition system, for belt speed, can calculate by the mode that Hall element is installed, belt speed has important effect for the analysis of back data.Master control system refers to be placed on the computer system in the remote control room, and it comprises a plurality of submodules: memory module realizes the real-time storage of data; Analysis module is analyzed image data, obtains the position in scan-data of belt lacing zone and abnormal area; Control module mainly is to control when to start acquisition system; Display module then offers the belt internal image that the user observes the optional position.
Fig. 3 is a system flowchart of the present utility model.
As shown in Figure 3, once complete data analysis comprises following several aspect:
1, data acquisition.Fig. 4 is the utility model data acquisition flow.
At first, can estimate belt and transport the time of circling and needing, gather beginning and end by operation control module control according to user configured strap length and belt operation average velocity.The coal mine leather belt running speed is generally 4m/s, and in order to obtain the image of high-resolution, we adopt the sample rate of 500us, and the resolution of such line data is 2mm.Because sample rate is fast, data volume is very big, and system has little time real-time processing, and acquisition module is the real-time storage scan-data.The sampled data that acquisition module has been served by thread or multimedia timer mode reading of data transport module, and data are put into buffer queue, determine the needs storage according to size of data in the buffer queue, if data surpass the appointment size in the buffer queue, then the data of front are saved as a data file, employing time or counting mode are numbered the data file, and the belt speed of each file name of record and sampling correspondence during these data in the indexed file.
2, data analysis.After data scanning finished, thread was analyzed in system start-up, and scan-data is analyzed automatically.Analysis module is by image processing algorithm, and the position of belt lacing zone in scan-data, location obtains the belt lacing listing file.By the abnormal area analysis module, locate the position in zones such as steel wire fracture in the belt, rust staining, repairing, wearing and tearing automatically.
3, analysis result is handled and is compared.According to the data analysis result who obtains previously, need be further processed, because the scan start point position is all different each time, need analyze analyzing the joint numbering of coming out, relativeness according to initial point position and joint location, again butt junction is numbered processing, and for any one joint, this numbering is consistent in homogeneous does not scan.For abnormal area,, need search apart from the nearest joint of this abnormal area with to the distance of this joint for the ease of user's actual location.For joint area, need analyzing adapter length whether to change, adopt the joint length that this test obtains and the length of last test and test for the first time to compare, if changing value greater than assign thresholds, then this joint is unusual joint.
4, abnormal area picture browsing.According to the data analysis result, make up to show joint display list and abnormal area display list, the user can double-click in the tabulation any one, shows the image information of this position automatically, by the user analysis result is verified.
5, report and printing.According to test result, analysis is finished in the printing test report.
Fig. 5 is data analysis of the present utility model and treatment scheme.
As shown in Figure 5, data analysis module adopts image processing algorithm that scan-data is carried out graphical analysis, locatees the position of belt center tap zone and abnormal area automatically.
In the joint location module, adopt the mode of scan-data horizontal projection can find the position at joint area place, because joint area steel wire quantity and density regionally Duos about one times than other, can the accurate localization zone by this method.
For abnormal area, now data are cut apart, obtain the two-value data of steel wire, these data are being analyzed the positioning wire region of fracture and corrosion zone on the direction of scanning.
By the contrast to twice scan-data, the testing staff can contrast demonstration belt arbitrary region at difference scan image constantly, analyzes this regional variation tendency, carries out the early warning mark to unusual zone can take place.
The coal mine leather belt radioscopy detection system that adopts the utility model to provide is carried out belt and is detected; make belt under non-stop-machine situation, can realize quality check; in time find belt deterioration or abnormal position; simultaneously also avoided the injury of X ray, had positive meaning the maintainer.
Those skilled in the art will recognize that; above-mentioned embodiment is exemplary; be in order to make those skilled in the art can better understand this patent content; should not be construed as is restriction to this patent protection domain; change or modify so long as disclose spiritual any being equal to of being done, all fall into this patent protection domain according to this patent.

Claims (2)

1. coal mine leather belt radioscopy detection system is characterized in that this system comprises:
Master control system; Described master control system is used for carrying out Data Receiving and processing and sends dependent instruction;
Radiation source module; Described radiation source module has the radiographic source that can launch X ray to belt;
Survey and acquisition module; Described detection and acquisition module comprise detecting module that the X ray that penetrates behind the belt is surveyed and the X ray that is detected are gathered acquisition module with the digital signal that obtains certain gamma ray source strength;
Data transmission module; Described data transmission module is formed Frame with the output data of described detection and acquisition module, by the optical fiber mode Frame is sent in the master control system;
Remote control module; Described remote control module is responsible for and described master control system is carried out communication, and according to the order of described master control system to the startup of described radiation source module with close and described detection and acquisition module are controlled;
The environment acquisition module; Velocity magnitude when described environment acquisition module is responsible for collecting environmental information in described radiation source module and the described detecting module and belt and is passed detecting module, and collected information is delivered in the described master control system by described remote control module.
2. coal mine leather belt radioscopy detection system according to claim 1 is characterized in that described environment acquisition module comprises a Hall element.
CN2010201080903U 2010-02-04 2010-02-04 Coal mine belt X-ray perspective detection system Expired - Lifetime CN201749091U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102243189A (en) * 2011-03-31 2011-11-16 太原理工大学 On-line virtual testing system of steel cord conveyor belt and testing method thereof
CN101793845B (en) * 2010-02-04 2011-12-14 上海英迈吉东影图像设备有限公司 X-raying detecting system and method for coal mine leather belt
CN103308536A (en) * 2012-03-12 2013-09-18 苏州太易检测设备有限公司 X-ray can detection device
CN104251869A (en) * 2013-06-27 2014-12-31 梅特勒-托利多X-射线安全线有限公司 Method of operating a radiographic inspection system with a modular conveyor chain
CN114002239A (en) * 2021-09-18 2022-02-01 上海奕瑞光电子科技股份有限公司 Remote digital X-ray imaging system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793845B (en) * 2010-02-04 2011-12-14 上海英迈吉东影图像设备有限公司 X-raying detecting system and method for coal mine leather belt
CN102243189A (en) * 2011-03-31 2011-11-16 太原理工大学 On-line virtual testing system of steel cord conveyor belt and testing method thereof
CN102243189B (en) * 2011-03-31 2013-01-23 太原理工大学 On-line virtual testing system of steel cord conveyor belt
CN103308536A (en) * 2012-03-12 2013-09-18 苏州太易检测设备有限公司 X-ray can detection device
CN103308536B (en) * 2012-03-12 2015-11-04 苏州太易检测设备有限公司 A kind of X ray can pick-up unit
CN104251869A (en) * 2013-06-27 2014-12-31 梅特勒-托利多X-射线安全线有限公司 Method of operating a radiographic inspection system with a modular conveyor chain
CN104251869B (en) * 2013-06-27 2019-06-21 梅特勒-托利多X-射线安全线有限公司 The method of radiographic inspection system is operated using modularization conveyer chain
CN114002239A (en) * 2021-09-18 2022-02-01 上海奕瑞光电子科技股份有限公司 Remote digital X-ray imaging system

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Granted publication date: 20110216

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