CN201464023U - Electronic belt weigher - Google Patents
Electronic belt weigher Download PDFInfo
- Publication number
- CN201464023U CN201464023U CN2009201089680U CN200920108968U CN201464023U CN 201464023 U CN201464023 U CN 201464023U CN 2009201089680 U CN2009201089680 U CN 2009201089680U CN 200920108968 U CN200920108968 U CN 200920108968U CN 201464023 U CN201464023 U CN 201464023U
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- belt
- belt deviation
- electronic balance
- light beam
- belted electronic
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Abstract
The utility model discloses an electronic belt weigher, which comprises a belt, and also comprises a belt deviation monitoring device for monitoring the belt deviation and obtaining the data of the data of the belt deviation, wherein the belt deviation monitoring device is arranged above the belt, and comprises a light source generating module for projecting coordinate light beam on the belt, and an image capturing module for acquiring the coordinate light beam, wherein the image capturing module is connected with a data processing module for processing the coordinate light beam to obtain the data of the belt deviation state. The utility model can timely prevent and adjust the deviation of the conveying belt and improves the weighing precision of the electronic belt weigher.
Description
Technical field
The utility model relates to measuring apparatus, particularly a kind of belted electronic balance.
Background technology
Belted electronic balance is that band conveyor transports a kind of metering outfit of in the material process material being weighed continuously.The sideslip of belt is every unavoidable problem of belt conveyer scale, when belt conveyer scale generation sideslip, will the measuring accuracy of belted electronic balance be impacted, and causes the reduction of belted electronic balance measuring accuracy.In addition, when the belt deviation of belted electronic balance is big, can cause the curling damage of belt, and the disorderly closedown of belted electronic balance.At present, belted electronic balance of the prior art prevents that the method for belt deviation from mostly being Mechanical Contact formula and passive, though structure is simple, and poor reliability and weak effect, the belted electronic balance precision is low.
The utility model content
The utility model provides a kind of belted electronic balance, can in time find and be adjusted when deviation phenomenon appear in belt, has improved the measuring accuracy of belted electronic balance.
The utility model provides a kind of belted electronic balance, comprises belt, also comprises the belt deviation monitoring device that is used to monitor belt deviation and obtains the belt deviation status data, and described belt deviation monitoring device is arranged at the top of described belt; Described belt deviation monitoring device is included in light source generation module that projects the coordinate light beam on the described belt and the image capture module of gathering described coordinate light beam, and described image capture module is connected with the data processing module of described coordinate light beam being handled the described belt deviation status data of acquisition.
On the basis of such scheme, described light source generation module is to send the cross-shaped light source generation module of cruciform coordinate light beam.A light beam in the described cruciform coordinate light beam is parallel with the edge of described belt, another light beam and described edge-perpendicular, and described cruciform coordinate light beam is positioned at the centre of described belt.Concrete, described light source generation module can be the infrared laser generator.Described image capture module can be the CCD camera.Described data processing module is a computing machine.
Second processing unit that described data processing module can comprise first processing unit that is used to obtain the belt deviation status data and be used for according to described belt deviation status data the measurement result data of described belted electronic balance being compensated and corrected.Perhaps, described belted electronic balance comprises that also at least one is used for the belt deviation rectifying device of described belt being rectified a deviation according to described belt deviation status data, and described belt deviation rectifying device is connected with described belt deviation monitoring device.Described data processing module comprises the 3rd processing unit that is used to obtain the belt deviation status data and is used for managing the unit according to described belt deviation status data everywhere to the of described belt deviation rectifying device output corrective control signal.
The utility model belted electronic balance is monitored belt deviation and initiatively correction in real time by using non-contact type belt deviation monitoring device, the stability and the measuring accuracy of belt operation have been improved, simple in structure, reliability and precision are higher, and wide application prospect is arranged.
Description of drawings
Fig. 1 is the structural representation of the utility model belted electronic balance embodiment one;
Fig. 2 is the structural representation of the utility model belted electronic balance embodiment two.
Description of reference numerals:
1-scale frame; The 2-carrying roller; 31-light source generation module;
The 32-image capture module; The 33-data processing module; 34-monitors case;
The 4-belt; The 5-support; The 6-electric-controlled parts;
The automatically controlled deviation-adjusting carrier roller of 7-.
Embodiment
The technical solution of the utility model is mainly, and increases a belt deviation monitoring device on belted electronic balance, and this belt deviation monitoring device is arranged at the top of belt.It mainly comprises the image capture module of the interconnective light source generation module that projects the coordinate light beam on belt, coordinate acquisition light beam and the coordinate light beam of gathering is handled the data processing module that obtains the belt deviation status data.This belted electronic balance can adopt whether sideslip of belt deviation monitoring device monitoring belt, be beneficial to when belt deviation, can in time belt be rectified a deviation or the measurement result data of belted electronic balance be revised.Thereby can in time monitor belt deviation apace, improve the measuring accuracy of belted electronic balance.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model belted electronic balance embodiment one, belted electronic balance in the present embodiment utilizes the belt deviation monitoring device to carry out the belt deviation monitoring, and when belt generation sideslip, being parameters such as irrelevance according to the belt deviation status data compensates and revises the metering result data of belted electronic balance.
As shown in Figure 1, the present embodiment belted electronic balance comprises scale frame 1, carrying roller 2 and belt deviation monitoring device.Wherein, scale frame 1 is provided with LOAD CELLS and tachogenerator; Carrying roller 2 is arranged on the scale frame 1, can be provided with one or more groups carrying roller 2 on the scale frame 1, carrying roller 2 is provided with belt 4, and the belt deviation monitoring device is arranged on the top of belt 4, and it can comprise light source generation module 31, image capture module 32 and data processing module 33.In concrete the enforcement, light source generation module 31 and image capture module 32 can be arranged in the same monitoring case 34, and hang on the top of belt 4 by support 5, on belt 4, project the coordinate light beam by light source generation module 31 during work, image capture module 32 is gathered this coordinate light beam and is sent to data processing module 33, this data processing module 33 can be arranged on a side of support 5, and be connected with image capture module 32, the coordinate light beam that receives handled obtaining the belt deviation status data, thereby can monitor whether sideslip of belt 4 in real time.
Further, in concrete the enforcement, light source generation module 31 can for example can be the infrared laser generator for sending the cross-shaped light source generation module of cruciform coordinate light beam.It is to the intermediate transmission cruciform coordinate light beam of belt 4, and a light beam in this cruciform coordinate light beam is parallel with the edge of belt 4, the edge-perpendicular of another light beam and belt 4.This coordinate light beam also can be for cruciform be not other shapes, as long as can play similar coordinate effect.Image capture module 32 can be Charge Coupled Device (CCD) imageing sensor (Charge Coupled Device, hereinafter to be referred as: CCD) camera, be arranged on the oblique upper of belt 4, can be set to 45 degree such as the optical axis of CCD camera and the angle of belt, this CCD camera can adopt the area array CCD or the line array CCD of 320 * 240 common pixels, it comprises convex lens and CCD capacitive coupling device, during work, the CCD camera carries out Image Acquisition with certain frequency, and outputting video signal, gather above-mentioned coordinate light beam and send it to data processing module 33.Data processing module 33 can be computing machine, and it can comprise and is used for second processing unit that the coordinate light beam that receives is handled first processing unit that obtains the belt deviation status data and is used for according to the belt deviation status data measurement result data of belted electronic balance being compensated and corrected.
The course of work of the belted electronic balance of present embodiment is as follows: this belted electronic balance is when operate as normal, when the weight of material on the belt 4 passes through loading end, can produce certain pressure to loading end, this pressure is transmitted on the scale frame 1 by carrying roller 2, by scale frame 1 power is passed to LOAD CELLS then, LOAD CELLS detects weight of material on the belt 4, and producing one, to be proportional to belt 4 load be that the millivolt signal of weight of material is that weight signal is sent into data processing module; Tachogenerator detects the travelling speed of belt 4, the rate signal that records is also imported data processing module. data processing module is handled the rate signal and the weight signal that receive, obtain the cumulative amount and the instantaneous delivery of material, thereby finish material metage, and the instantaneous delivery of material and cumulative amount being shown on such as microcomputer at display instrument. the belt deviation monitoring device of placing above the belt 4 of belted electronic balance can be monitored the running status of belt 4 in real time. and its observation process is, the infrared laser generator is got the cruciform coordinate light beam that has formed the coordinate effect in belt 4 horizontal tangent projections on belt 4, this coordinate light beam irradiates is on belt, its range of exposures covers the width of belt 4. and the light of the mutual square crossing of this cruciform light beam can be respectively as X-axis and Y-axis, then belt 4 about two edge lines the wherein light with this cruciform light beam may be intersected to form two X coordinates such as X-axis light, be the length of this two edge lines distance that light in parallel be respectively a and b. then belt 4 about two edge lines when belt 4 normal operating conditions, can all have certain distance such as Y-axis light apart from wherein light of cruciform light beam, when sideslip takes place in belt 4, this changes apart from meeting, promptly two X coordinates can change, by analyzing this two degree whether the X coordinate changes and change, just can judge belt 4 whether the degree .CCD camera of sideslip and sideslip after the infrared laser generator is got the coordinate light beam that the horizontal tangent projection at belt 4 forms, image to belt 4 and coordinate light beam is caught. wherein, comprised in this image that coordinate judges needed factor, such as two edge lines about belt 4 and coordinate light beam, and this image is transferred to connected computing machine; Contain image pick-up card in this computing machine, be connected with the CCD camera by image pick-up card, obtain CCD camera image transmitted. computer real-time is handled every width of cloth image, first processing unit wherein is used for the coordinate light beam that receives is handled acquisition belt deviation status data, it need know the coordinate when belt normally moves in the CCD camera in advance, before actual measurement, demarcate the coordinate parameters in this image, do not having on the belt 4 under the situation of material earlier, take the position of cross-shaped cursor, as normal place, when being set in the normal operation of belt 4, a and b equate; When material is arranged, the coordinate pixel of every width of cloth image of real-time statistic analysis CCD camera transmission, analyze the variation of the cruciform coordinate length in pixels that projection forms on belt 4 horizontal tangent plane directions, the left and right edges line that is belt 4 is respectively apart from the length in pixels a and the b of that parallel with these two edge lines in cruciform coordinate light beam light, when a and b are unequal, then can judge this belt 4 sideslip, and thereby computing machine also will be analyzed and comparative belt 4 longitudinal direction light beam left and right sides coordinate length in pixels a and the concrete intensity of variation of b and the accurate data that difference draws belt 4 sideslips. when belt 4 sideslips, second processing unit in the computing machine can according to the belt deviation status data for example the irrelevance of belt penalty coefficient is set the metering result data of belted electronic balance is compensated and corrected. in concrete enforcement, also can not adopt the data processing module in the belt deviation monitoring device to carry out compensation data, and adopt other metering result's the treating apparatus that is used to calculate belted electronic balance, this moment, this treating apparatus was connected with data processing module, penalty coefficient can be set according to the belt deviation status data of data processing module acquisition the metering result data of belted electronic balance is compensated and corrected.
The present embodiment belted electronic balance is monitored belt deviation and initiatively correction in real time by using non-contact type belt deviation monitoring device, the stability and the measuring accuracy of belt operation have been improved, eliminate the influence of belt deviation to measuring accuracy, guarantee the high-precision measuring of belted electronic balance, simple in structure, the precision height has wide application prospect.
The utility model belted electronic balance also provides another one embodiment, Fig. 2 is the structural representation of the utility model belted electronic balance embodiment two, as shown in Figure 2, belted electronic balance in the present embodiment utilizes the belt deviation monitoring device to carry out the belt deviation monitoring, and when belt generation sideslip,, to belt deviation rectifying device output corrective control signal belt is rectified a deviation by the belt deviation monitoring device.
The belted electronic balance of present embodiment is comprising outside the belt deviation monitoring device, also comprise the belt deviation rectifying device that at least one belt deviation status data that is used for measuring according to the belt deviation monitoring device is rectified a deviation to belt, the belt deviation rectifying device is connected with the belt deviation monitoring device. in concrete the enforcement, this belt deviation rectifying device can be arranged on the support of belt feeder, can adopt the hydraulic pressure control, electric-controlled parts 6 perhaps is set on carrying roller becomes automatically controlled deviation-adjusting carrier roller 7, utilize 7 pairs of belts of this automatically controlled deviation-adjusting carrier roller to rectify a deviation. the in the data processing module managed belt deviation status data that the unit obtains according to the 3rd processing unit everywhere to belt deviation rectifying device output corrective control signal, the rotation of indication belt deviation rectifying device is rectified a deviation to belt, has also indicated for example concrete anglec of rotation of degree of the concrete correction action of belt deviation rectifying device in this corrective control signal; One or more belt deviation rectifying device that is arranged on the belt both sides is rotated certain angle according to this corrective control signal, belt to sideslip one side is exerted pressure, this anglec of rotation is promptly carried out according to the indication in the corrective control signal, the sideslip of belt is corrected. and the principle of work of belt deviation monitoring device is identical with embodiment one, does not repeat them here.
The present embodiment belted electronic balance is monitored belt deviation and initiatively correction in real time by using non-contact type belt deviation monitoring device, the stability and the measuring accuracy of belt operation have been improved, eliminate the influence of belt deviation to measuring accuracy, guarantee the high-precision measuring of belted electronic balance, simple in structure, the precision height has wide application prospect.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (9)
1. a belted electronic balance comprises belt, it is characterized in that, also comprises the belt deviation monitoring device that is used to monitor belt deviation and obtains the belt deviation status data, and described belt deviation monitoring device is arranged at the top of described belt; Described belt deviation monitoring device is included in light source generation module that projects the coordinate light beam on the described belt and the image capture module of gathering described coordinate light beam, and described image capture module is connected with the data processing module of the coordinate light beam being handled the described belt deviation status data of acquisition.
2. belted electronic balance according to claim 1 is characterized in that, described light source generation module is to send the cross-shaped light source generation module of cruciform coordinate light beam.
3. belted electronic balance according to claim 2, it is characterized in that, a light beam in the described cruciform coordinate light beam is parallel with the edge of described belt, the edge-perpendicular of another light beam and described belt, and described cruciform coordinate light beam is positioned at the centre of described belt.
4. belted electronic balance according to claim 1 is characterized in that, described light source generation module is the infrared laser generator.
5. belted electronic balance according to claim 1 is characterized in that, described image capture module is the CCD camera.
6. belted electronic balance according to claim 1 is characterized in that, described data processing module is a computing machine.
7. according to the arbitrary described belted electronic balance of claim 1～6, it is characterized in that second processing unit that described data processing module comprises first processing unit that is used to obtain the belt deviation status data and is used for according to described belt deviation status data the measurement result data of described belted electronic balance being compensated and corrected.
8. according to the arbitrary described belted electronic balance of claim 1～6, it is characterized in that, comprise that also at least one is used for the belt deviation rectifying device of described belt being rectified a deviation according to described belt deviation status data, described belt deviation rectifying device is connected with described belt deviation monitoring device.
9. belted electronic balance according to claim 8, it is characterized in that described data processing module comprises the 3rd processing unit that is used to obtain the belt deviation status data and is used for managing the unit according to described belt deviation status data everywhere to the of described belt deviation rectifying device output corrective control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201089680U CN201464023U (en) | 2009-06-05 | 2009-06-05 | Electronic belt weigher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201089680U CN201464023U (en) | 2009-06-05 | 2009-06-05 | Electronic belt weigher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464023U true CN201464023U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201089680U Expired - Fee Related CN201464023U (en) | 2009-06-05 | 2009-06-05 | Electronic belt weigher |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278225A (en) * | 2013-06-05 | 2013-09-04 | 中国矿业大学(北京) | Belt weighting device based on image technology detection |
| CN103674195A (en) * | 2013-12-04 | 2014-03-26 | 北京心觉工业设计有限责任公司 | Weighing device based on electronic belt weighers and belt high-precision metering method |
| CN103837222A (en) * | 2014-03-12 | 2014-06-04 | 北京工业职业技术学院 | Belt weigher image calibration method and metering monitoring system |
| CN105258777A (en) * | 2014-07-18 | 2016-01-20 | 北京斯凯尔工业自动化技术研究所 | Empty belt monitoring method, apparatus and system of belt weigher |
| CN106989803A (en) * | 2017-05-17 | 2017-07-28 | 安徽理工大学 | The contactless weight calculation of belt feeder and departure warning equipment |
| CN109443511A (en) * | 2018-11-06 | 2019-03-08 | 青岛市计量技术研究院 | A kind of adjustable electronic weighing belt material object calibrating weights-hoist calibrating installation |
| CN110006514A (en) * | 2019-05-15 | 2019-07-12 | 山东莱钢永锋钢铁有限公司 | A kind of weighing belt on-line operation real-time monitoring system for state and method |
| WO2021036655A1 (en) * | 2019-08-30 | 2021-03-04 | Mettler-Toledo (Changzhou) Measurement Technology Ltd. | Checkweigher |
| CN112903268A (en) * | 2021-01-20 | 2021-06-04 | 温州大学 | Detection apparatus for case and bag fastener |
| CN114076629A (en) * | 2020-08-18 | 2022-02-22 | 德国奥图亚工业控制技术有限责任公司 | Double vector force electronic belt scale |
| CN114084613A (en) * | 2021-11-18 | 2022-02-25 | 北京华能新锐控制技术有限公司 | Coal conveying belt deviation detecting system |
| CN117800039A (en) * | 2024-02-23 | 2024-04-02 | 太原理工大学 | Belt deviation detecting system of belt conveyor |
-
2009
- 2009-06-05 CN CN2009201089680U patent/CN201464023U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278225A (en) * | 2013-06-05 | 2013-09-04 | 中国矿业大学(北京) | Belt weighting device based on image technology detection |
| CN103278225B (en) * | 2013-06-05 | 2016-05-04 | 中国矿业大学(北京) | The conveyer belt scale detecting based on image technique |
| CN103674195A (en) * | 2013-12-04 | 2014-03-26 | 北京心觉工业设计有限责任公司 | Weighing device based on electronic belt weighers and belt high-precision metering method |
| CN103674195B (en) * | 2013-12-04 | 2015-11-04 | 北京心觉工业设计有限责任公司 | Based on belted electronic balance weighing device and realize belt high-precision measuring method |
| CN103837222A (en) * | 2014-03-12 | 2014-06-04 | 北京工业职业技术学院 | Belt weigher image calibration method and metering monitoring system |
| CN103837222B (en) * | 2014-03-12 | 2015-11-18 | 北京工业职业技术学院 | Belt conveyer scale image verification method and measurement monitoring system |
| CN105258777A (en) * | 2014-07-18 | 2016-01-20 | 北京斯凯尔工业自动化技术研究所 | Empty belt monitoring method, apparatus and system of belt weigher |
| CN106989803A (en) * | 2017-05-17 | 2017-07-28 | 安徽理工大学 | The contactless weight calculation of belt feeder and departure warning equipment |
| CN109443511A (en) * | 2018-11-06 | 2019-03-08 | 青岛市计量技术研究院 | A kind of adjustable electronic weighing belt material object calibrating weights-hoist calibrating installation |
| CN109443511B (en) * | 2018-11-06 | 2020-09-01 | 青岛市计量技术研究院 | Adjustable hanging weight calibrating device for material object calibration of electronic belt scale |
| CN110006514A (en) * | 2019-05-15 | 2019-07-12 | 山东莱钢永锋钢铁有限公司 | A kind of weighing belt on-line operation real-time monitoring system for state and method |
| WO2021036655A1 (en) * | 2019-08-30 | 2021-03-04 | Mettler-Toledo (Changzhou) Measurement Technology Ltd. | Checkweigher |
| CN112444312A (en) * | 2019-08-30 | 2021-03-05 | 梅特勒-托利多(常州)测量技术有限公司 | Checkweigher |
| CN114076629A (en) * | 2020-08-18 | 2022-02-22 | 德国奥图亚工业控制技术有限责任公司 | Double vector force electronic belt scale |
| CN112903268A (en) * | 2021-01-20 | 2021-06-04 | 温州大学 | Detection apparatus for case and bag fastener |
| CN114084613A (en) * | 2021-11-18 | 2022-02-25 | 北京华能新锐控制技术有限公司 | Coal conveying belt deviation detecting system |
| CN114084613B (en) * | 2021-11-18 | 2023-11-07 | 北京华能新锐控制技术有限公司 | Coal conveying belt deviation detecting system |
| CN117800039A (en) * | 2024-02-23 | 2024-04-02 | 太原理工大学 | Belt deviation detecting system of belt conveyor |
| CN117800039B (en) * | 2024-02-23 | 2024-05-14 | 太原理工大学 | Belt deviation detecting system of belt conveyor |
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Free format text: CORRECT: ADDRESS; FROM: 100070 1402, TOWER A, INDUSTRY AND COMMERCE FEDERATION BUILDING, NO. 4, FUFENG ROAD, FENGTAI DISTRICT, BEIJING TO: 100042 2-103, RESEARCH AND DEVELOPMENT BUILDING, NO. 19, GUCHENG WEST STREET, SHIJINGSHAN DISTRICT, BEIJING |
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Effective date of registration: 20110412 Address after: 100042, R & D building, No. 19, ancient West Street, Beijing, Shijingshan District 2-103 Patentee after: Beijing Coal Mine Electrical Equipment Development Co., Ltd. Address before: 100070 Beijing City Federation of industry and Commerce Fengtai District Fung Fu Road No. 4 Building A block 1402 Patentee before: Beijing Coal Mine Electrical Equipment Development Co., Ltd. |
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Owner name: BEIJING COAL MINE ELECTRICAL EQUIPMENT DEVELOPMENT Free format text: FORMER OWNER: BEIJING COAL MINE ELECTRICAL EQUIPMENT DEVELOPMENT CO., LTD. Effective date: 20130530 |
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Free format text: CORRECT: ADDRESS; FROM: 100042 SHIJINGSHAN, BEIJING TO: 100070 FENGTAI, BEIJING |
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Effective date of registration: 20130530 Address after: 100070 Beijing City, Fengtai District science and Technology Park Fung Fu Road No. 4 building 14 layer 14A02 Federation of science and Technology (Park) Patentee after: Beijing Coal Mine Electrical Equipment Development Co., Ltd. Address before: 100042, R & D building, No. 19, ancient West Street, Beijing, Shijingshan District 2-103 Patentee before: Beijing Coal Mine Electrical Equipment Development Co., Ltd. |
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