CN103600976A - Stirring equipment and belt slip detection method, device and system thereof - Google Patents
Stirring equipment and belt slip detection method, device and system thereof Download PDFInfo
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- CN103600976A CN103600976A CN201310426575.5A CN201310426575A CN103600976A CN 103600976 A CN103600976 A CN 103600976A CN 201310426575 A CN201310426575 A CN 201310426575A CN 103600976 A CN103600976 A CN 103600976A
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- 238000001514 detection method Methods 0.000 title abstract 4
- 238000003756 stirring Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000007689 inspection Methods 0.000 claims description 14
- 238000003708 edge detection Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention provides a stirring device and a belt slip detection method, a belt slip detection device and a belt slip detection system thereof, wherein the method comprises the steps of receiving image information of at least one side surface of a roller at the starting time and the end time of preset time, wherein the roller is driven by a belt, at least one side surface of the roller is provided with a mark, and the mark position deviates from the center of the roller; identifying marks in the image information, respectively calculating the positions of the marks in the image information of at least one side surface of the roller at the starting time and the ending time of the preset time, and judging whether the belt slips according to the condition whether the positions of the marks in the image information of at least one side surface of the roller at the starting time and the ending time of the preset time are the same. According to the invention, the belt running condition can be effectively detected on line, and equipment damage and material accumulation and equipment damage caused by belt slip are prevented.
Description
Technical field
The present invention relates to Belt Conveying field, more particularly a kind of mixing plant and slipping of the belt method of inspection, device and system.
Background technology
Belt conveyor system is widely used in the each side of daily production and life, and belt conveyor system structural representation as shown in Figure 1, comprises driving wheel 101, flower wheel 103, tension wheel 105 and belt 107.Its operation sheet is briefly described as: by driven by motor driving wheel 101, rotate, by the friction force between belt 107 and driving wheel 101, drive belt 107 to rotate, thereby drive flower wheel 103 to rotate, by the tightness in tension wheel 105 adjustable straps 107 operation process.In course of conveying, if slipping of the belt easily makes logistics pile up, affect transport efficiency, in serious situation, cause friction always between driving wheel and belt, cause belt to rub, cause larger loss.Thereby be necessary the situation of slipping of the belt to detect, thereby the normal operation of assurance belt conveyor system.
Summary of the invention
Technical matters solved by the invention is to provide method of inspection, device and the system of a kind of mixing plant and slipping of the belt thereof, can whether slipping of the belt occur to belt conveyor system and detect.
The invention provides a kind of slipping of the belt method of inspection, comprise, receive the starting point moment of Preset Time and the graphicinformation of the terminal moment at least one side of roller, wherein, described roller is driven by described belt, at least one side of described roller is provided with mark, and this mark position departs from described roller center; Identify the mark in described graphicinformation, constantly and the terminal position in the graphicinformation of at least one side of described roller constantly, and according to the described starting point that is marked at described Preset Time, whether the position constantly and in the graphicinformation of the terminal moment at least one side of described roller is identical judges whether to occur slipping of the belt for the starting point that is marked at described Preset Time described in calculating respectively.
The present invention also provides belt skidding detecting device, comprise, receptor, for receiving the starting point moment of Preset Time and the graphicinformation of the terminal moment at least one side of roller, wherein, described roller is driven by described belt, and at least one side of described roller is provided with mark, and this mark position departs from described roller center; Controller, for identifying the mark of described graphicinformation, constantly and the terminal position in the graphicinformation of at least one side of described roller constantly, and according to the described starting point that is marked at described Preset Time, whether the position constantly and in the graphicinformation of the terminal moment at least one side of described roller is identical judges whether to occur slipping of the belt for the starting point that is marked at described Preset Time described in calculating respectively.
The present invention also provides a kind of slipping of the belt checking system, comprises, and at least one roller, described roller is driven by described belt, and its at least one side is provided with mark, and this mark position departs from described roller center; Image collecting device, is arranged at described roller side outer rim, for obtaining the starting point moment of Preset Time and the graphicinformation of the terminal moment at least one side of described roller; And belt skidding detecting device described above.
The present invention also provides a kind of mixing plant, comprises belt conveyor, and slipping of the belt checking system described above.
The technique effect that the present invention brings is by obtaining the starting point moment and the terminal graphicinformation that driven by belt and that establish markd roller side constantly of Preset Time, the change in location in image that compares mark, rotation situation by roller judges whether belt skids, belt operating condition be can detect effectively online, the equipment damage and solid accumulation and the equipment damage that because of slipping of the belt, cause prevented.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further, wherein
Fig. 1 is the structural representation of belt conveyor system in background technology;
The structural representation of the slipping of the belt checking system that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 be in the embodiment of the present invention distinctive mark at the position view of roller side;
The slipping of the belt method of inspection diagram of circuit that Fig. 4 provides for the embodiment of the present invention.
The specific embodiment
The specific embodiment of the invention provides a kind of slipping of the belt checking system, as shown in Figure 2, comprise at least one roller 201, this roller 201 is driven by belt, its at least one side is provided with mark, and this mark position departs from described roller center, image collecting device 203, be arranged at roller 201 side outer rims, for obtaining the starting point moment of Preset Time and the graphicinformation of terminal roller 201 at least one side constantly; And belt skidding detecting device, this device comprises receptor 205, for receiving the starting point moment of described Preset Time and the graphicinformation of terminal roller 201 at least one side constantly; With controller 207, for identifying the mark of described graphicinformation, constantly and the terminal position in the graphicinformation of at least one side of described roller constantly, and according to the described starting point that is marked at described Preset Time, whether the position constantly and in the graphicinformation of the terminal moment at least one side of described roller is identical judges whether to occur slipping of the belt for the starting point that is marked at described Preset Time described in calculating respectively.
This slipping of the belt checking system, can also comprise prior-warning device 209, for reporting to the police in the situation that determining slipping of the belt and/or stopping belt operation.
The roller that should be driven by belt, can, for one or more, can be flower wheel or tension wheel, but can not be driving wheel.Because the rotation of driving wheel is generally by driven by motor, and flower wheel or tension wheel are to rely on driving wheel to drive belt by belt, to drive its rotation more afterwards.When there is slipping of the belt, the flower wheel or the tension wheel that rely on belt to drive just turn motionless, thereby can determine whether belt skids by judging whether the roller that be driven by belt rotates.
On roller one side being driven by belt, set a mark, this mark can adopt the modes such as picture, welding to realize, but does not limit to these implementations.Mark can be special symbol, special color or is the two combination, but not only for described content.As shown in Figure 3, triangle table is shown mark, and roller center is generally departed from its position.Marked region is preferably unsuitable excessive, general 1/4 of the roller side overall region that do not surpass.
Image collecting device can be camera Real-time Collection video, also can periodically take pictures for photographic camera, but be not limited to aforesaid way.Image collecting device is installed in mark markd roller side outer rim, takes direction and aims at this roller side.
When controller receives the starting point moment of Preset Time and the graphicinformation of terminal roller side constantly that image collecting device obtains, need the graphicinformation to collecting to analyze and identify distinctive mark, thereby draw the location information of distinctive mark in graphicinformation.
In art of image analysis, the mark that pair roller side increases is known method for distinguishing to be had a lot, simply introduce below several, but not only for following method:
1., if the color distortion of the color of mark and roller side is larger, can adopt coloured image separation method.So-called color image split plot design, is divided into different region by technology such as classification or clusters by image to the rgb value of all pixels in image, thereby marked region can be identified;
2., if the color distortion of the color of mark and roller side is little, can adopt edge detection method.So-called edge detection method, by associated picture algorithm, as the edge detection algorithm based on Sobel operator etc., determines the boundary curve of each component part in image, and mark also can identify according to boundary curve naturally.
3. also can not consider color element, set up the images match template of mark in video image, adopt template matching method.So-called template matching method, sets up the template pixel of mark, as the RGB color value template of 10*10, then by the 10*10 template of foundation mobile coupling progressively on image, when the distinctive mark that the match is successful in can recognition image.
After mark in identifying image, can calculate the location of pixels of mark center point (or other R points of mark) in image.If N continuous time mark recognition failures (N is default integer, reducible be decided to be 3), illustrates image collecting device fault, can alarm user process.
Due in the situation that belt does not skid and the integral multiple of roller swing circle, the position of mark can not change, preset time t is arranged to be not equal to the situation of roller swing circle integral multiple, when position in being marked at graphicinformation is identical, (when mark does not have occurrence positions to change) can judge slipping of the belt.Understandably, also can preset time t be set to the integral multiple of roller swing circle T, when position in being marked at graphicinformation is different, (when mark occurrence positions changes) can judge slipping of the belt.
In view of preset time t is set to the situation of the integral multiple of roller swing circle T, detect the judgement cycle longer comparatively speaking, sometimes be unfavorable for the requirement detecting in time, the embodiment of the present invention adopts the situation of preset time t being arranged to be not equal to roller swing circle integral multiple, if the location information of marking is P1=(X1 during Preset Time starting point, Y1), during Preset Time terminal, the location information of marking is P2=(X2, Y2), judge that P1 and P2 are whether on same position, can adopt following method, but be not limited to following method:
1. directly calculate the distance of P1 and P2
if the distance theta < δ of P1 and P2, illustrate roller do not rotate or rotate not obvious, thereby can judge slipping of the belt.Wherein, the threshold value of δ for setting, determining of this value is relevant to preset time t.For example, in t=0.5*T situation, δ can be set as mark to the distance at roller center.
2. calculate P1 and P2 abscissa difference: Δ X=|X2-X1|, P1 and P2 ordinate difference: Δ Y=|Y2-Y1|, if Δ X< δ X or Δ Y< δ Y, illustrate roller do not rotate or rotate not obvious, thereby can judge slipping of the belt.Wherein, δ X, the δ Y threshold value for setting, both can get identical value, also can be different.The twice of the desirable mark maximum radius of δ X, δ Y (center is to the ultimate range at edge).
In addition, because the roller for being driven by belt comprises flower wheel and tension wheel at general belt conveyor system, two sides of roller can be installed respectively an image collecting device or the image collecting device of a side is only installed, a roller can be installed simultaneously or only install to the image collecting device of flower wheel and tension wheel side also, image collecting device can combination in any be installed in four sides of flower wheel and tension wheel, and the roller side that has filled image acquisition device must increase mark.When there being two sides with upper roller that image collecting device has been installed, if slipping of the belt checking system judges M>=1, judge slipping of the belt, wherein, M is for judging the roller of slipping of the belt.
This belt skidding detecting device is by obtaining the starting point moment and the terminal graphicinformation that driven by belt and that establish markd roller side constantly of Preset Time, the change in location in image that compares mark, rotation situation by roller judges whether belt skids, belt operating condition be can detect effectively online, the equipment damage and solid accumulation and the equipment damage that because of slipping of the belt, cause prevented.
The embodiment of the present invention also provides a kind of slipping of the belt method of inspection, as shown in Figure 4, comprise, S401. receive the starting point moment of described Preset Time and the graphicinformation of the terminal moment at least one side of roller, wherein, described roller is driven by described belt, and at least one side of described roller is provided with mark, and this mark position departs from described roller center; S403. identify the mark in described graphicinformation, constantly and the terminal position in the graphicinformation of at least one side of described roller constantly, and according to the described starting point that is marked at described Preset Time, whether the position constantly and in the graphicinformation of the terminal moment at least one side of described roller is identical judges whether to occur slipping of the belt for the starting point that is marked at described Preset Time described in calculating respectively.
Detailed description has been made in the concrete enforcement of this method of inspection in the foregoing description, repeats no more herein.
This slipping of the belt method of inspection is by receiving the starting point moment and the terminal graphicinformation that driven by belt and that establish markd roller side constantly of Preset Time, the change in location in image that compares mark, rotation situation by roller judges whether belt skids, belt operating condition be can detect effectively online, the equipment damage and solid accumulation and the equipment damage that because of slipping of the belt, cause prevented.
In addition, the embodiment of the present invention also provides a kind of mixing plant, comprises belt conveyor and above-mentioned slipping of the belt checking system.
This mixing plant is by obtaining the starting point moment and the terminal graphicinformation that driven by belt and that establish markd roller side constantly of Preset Time, the change in location in image that compares mark, rotation situation by roller judges whether belt skids, belt operating condition be can detect effectively online, the equipment damage and solid accumulation and the equipment damage that because of slipping of the belt, cause prevented.
Claims (12)
1. a slipping of the belt method of inspection, is characterized in that, comprise,
Receive the starting point moment of Preset Time and the graphicinformation of the terminal moment at least one side of roller, wherein, described roller is driven by described belt, and at least one side of described roller is provided with mark, and this mark position departs from described roller center;
Identify the mark in described graphicinformation, constantly and the terminal position in the graphicinformation of at least one side of described roller constantly, and according to the described starting point that is marked at described Preset Time, whether the position constantly and in the graphicinformation of the terminal moment at least one side of described roller is identical judges whether to occur slipping of the belt for the starting point that is marked at described Preset Time described in calculating respectively.
2. method of inspection according to claim 1, it is characterized in that, describedly according to whether described position is identical, judges whether to occur slipping of the belt and comprise, when described Preset Time is described roller swing circle integral multiple, the starting point that is marked at described Preset Time constantly and terminal when the position in the graphicinformation of at least one side of described roller is identical constantly, is judged generation slipping of the belt; When described Preset Time is not described roller swing circle integral multiple, the starting point that is marked at described Preset Time described in constantly and terminal when the position in the graphicinformation of at least one side of described roller is different constantly, judgement generation slipping of the belt.
3. method of inspection according to claim 1, is characterized in that, described roller is a plurality of, and the side of at least two described rollers is provided with mark, and the method also comprises, when roller described at least one is judged slipping of the belt, judges slipping of the belt occurs.
4. method of inspection according to claim 1, is characterized in that, described method of inspection also comprises, if N continuous time mark recognition failures judges image collecting device fault warning, wherein, N is default integer.
5. according to the arbitrary described method of inspection of claim 1 to 4, it is characterized in that, the method for the mark in the described graphicinformation of described identification is coloured image separation method, edge detection method or template matching method.
6. a belt skidding detecting device, is characterized in that, comprise,
Receptor, for receiving the starting point moment of Preset Time and the graphicinformation of the terminal moment at least one side of roller, wherein, described roller is driven by described belt, and at least one side of described roller is provided with mark, and this mark position departs from described roller center;
Controller, for identifying the mark of described graphicinformation, constantly and the terminal position in the graphicinformation of at least one side of described roller constantly, and according to the described starting point that is marked at described Preset Time, whether the position constantly and in the graphicinformation of the terminal moment at least one side of described roller is identical judges whether to occur slipping of the belt for the starting point that is marked at described Preset Time described in calculating respectively.
7. detecting device according to claim 6, it is characterized in that, describedly according to whether described position is identical, judges whether to occur slipping of the belt and comprise, when described Preset Time is described roller swing circle integral multiple, the starting point that is marked at described Preset Time constantly and terminal when the position in the graphicinformation of at least one side of described roller is identical constantly, is judged generation slipping of the belt; When described Preset Time is not described roller swing circle integral multiple, the starting point that is marked at described Preset Time described in constantly and terminal when the position in the graphicinformation of at least one side of described roller is different constantly, judgement generation slipping of the belt.
8. detecting device according to claim 6, is characterized in that, described roller is a plurality of, and at least two sides are provided with mark, and described controller also, for when slipping of the belt is judged at least one side of described roller, is judged slipping of the belt is occurred.
9. detecting device according to claim 6, is characterized in that, if described controller is also for N continuous time mark recognition failures, judges image collecting device fault, and wherein, N is default integer.
10. according to the arbitrary described detecting device of claim 6 to 9, it is characterized in that, the method for the mark in the described graphicinformation of described identification is coloured image separation method, edge detection method or template matching method.
11. 1 kinds of slipping of the belt checking systems, is characterized in that, comprise,
At least one roller, described roller is driven by described belt, and its at least one side is provided with mark, and this mark position departs from described roller center;
Image collecting device, is arranged at described roller side outer rim, for obtaining the starting point moment of Preset Time and the graphicinformation of the terminal moment at least one side of described roller; And
Belt skidding detecting device as described in as arbitrary in claim 6 to 10.
12. 1 kinds of mixing plants, comprise belt conveyor, it is characterized in that, also comprise slipping of the belt checking system as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310426575.5A CN103600976B (en) | 2013-09-18 | 2013-09-18 | Stirring equipment and belt slip detection method, device and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310426575.5A CN103600976B (en) | 2013-09-18 | 2013-09-18 | Stirring equipment and belt slip detection method, device and system thereof |
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| CN103600976A true CN103600976A (en) | 2014-02-26 |
| CN103600976B CN103600976B (en) | 2015-08-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819188A (en) * | 2016-05-28 | 2016-08-03 | 湖南奥科网络技术股份有限公司 | Device for giving an alarm when belt slips for mixing station |
| CN112693810A (en) * | 2020-12-24 | 2021-04-23 | 中标慧安信息技术股份有限公司 | Method and system for controlling movement of conveyor belt |
| CN112862806A (en) * | 2021-03-05 | 2021-05-28 | 中冶赛迪重庆信息技术有限公司 | Belt conveyor slip detection method, system, medium and electronic terminal |
| CN115636318A (en) * | 2022-09-30 | 2023-01-24 | 李金波 | A method for monitoring the slipping of elevator brake steel cable |
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| CN105819188A (en) * | 2016-05-28 | 2016-08-03 | 湖南奥科网络技术股份有限公司 | Device for giving an alarm when belt slips for mixing station |
| CN112693810A (en) * | 2020-12-24 | 2021-04-23 | 中标慧安信息技术股份有限公司 | Method and system for controlling movement of conveyor belt |
| CN112862806A (en) * | 2021-03-05 | 2021-05-28 | 中冶赛迪重庆信息技术有限公司 | Belt conveyor slip detection method, system, medium and electronic terminal |
| CN112862806B (en) * | 2021-03-05 | 2023-01-20 | 中冶赛迪信息技术(重庆)有限公司 | Belt conveyor slip detection method, system, medium and electronic terminal |
| CN115636318A (en) * | 2022-09-30 | 2023-01-24 | 李金波 | A method for monitoring the slipping of elevator brake steel cable |
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| CN103600976B (en) | 2015-08-05 |
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Address after: 415907, Hunan, Hanshou hi tech Industrial Park, Changde Huang Fu neighborhood committee, No. 1, Union Road Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |