CN104123782A - Slice medium thickness abnormality detection device and detection method thereof - Google Patents
Slice medium thickness abnormality detection device and detection method thereof Download PDFInfo
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- CN104123782A CN104123782A CN201410362146.0A CN201410362146A CN104123782A CN 104123782 A CN104123782 A CN 104123782A CN 201410362146 A CN201410362146 A CN 201410362146A CN 104123782 A CN104123782 A CN 104123782A
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Abstract
The invention provides a slice medium thickness abnormality detection device and a detection method thereof and belongs to the technical field of slice medium detection devices. The slice medium thickness abnormality detection device is characterized by comprising a machine body and a set of displacement sensors installed on the machine body, wherein upper rolling shafts and lower rolling shafts are arranged under the displacement sensors in a matched mode, bearings of the upper rolling shafts are in matched connection with the machine body through elastic bodies, rolling shaft bodies of the lower rolling shafts are fixed on the machine body, and the upper rolling shafts are matched with the lower rolling shafts in an elastic contact mode. Upper auxiliary plates and lower auxiliary plates are correspondingly arranged on one side of each of the upper rolling shafts and one side of each of the lower rolling shafts, and gaps between the upper auxiliary plates and the lower auxiliary plates and the contact connection positions of the upper rolling shafts and the lower rolling shafts serve as running channels for slice media. The slice medium thickness abnormality detection device is low in installation consistency requirement, convenient to assemble and maintain, simple and convenient to use, high in detecting accuracy rate and capable of detecting thickness abnormality of the slice media including paper currency, checks, lotteries and the like, and the detection operation can be finished only by detecting whether the thickness of one slice medium meets the requirement or not.
Description
Technical field
The invention belongs to laminated dielectric pick-up unit technical field, be specially a kind of laminated dielectric thickness abnormity pick-up unit and detection method thereof.
Background technology
Traditional laminated dielectric thickness detects and generally includes mechanical thickness change in displacement module and sensor displacement Check processing module, and the full width face laminated dielectric thickness detecting unit of multiple above-mentioned module compositions.Classic method mechanism requirement on machining accuracy is high, coherence request is installed high, and control method complexity is safeguarded inconvenient; And in actual applications, whether the thickness that conventionally only need to detect a laminated dielectric meets the demands, and needn't detect two thickness or the thickness of three, or the definite thickness of two above (containing two) are how many, or extremely whether detection laminated dielectric thickness.Therefore, in the urgent need to the improved simple thickness transducer of one.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the invention is to design provide a kind of simple in structure, be convenient to realize a kind of laminated dielectric thickness abnormity pick-up unit and the technical scheme of detection method, its install coherence request low, be convenient to assembling.
Described a kind of laminated dielectric thickness abnormity pick-up unit, it is characterized in that comprising body and be arranged on one group of displacement transducer on body, the below of each displacement transducer is equipped with roller bearing, lower roller bearing, the bearing of upper roller bearing is connected with body resilient engagement by elastic body, the roller bearing of lower roller bearing is fixed on body, upper roller bearing, lower roller bearing elasticity touches cooperation, upper roller bearing, lower roller bearing one side correspondence arranges accessory plate, lower accessory plate, upper accessory plate, lower accessory plate is fixedly installed on body, upper accessory plate, gap between lower accessory plate and upper roller bearing, lower roller bearing touches position and is the operation passage of laminated dielectric.
Described a kind of laminated dielectric thickness abnormity pick-up unit, is characterized in that described displacement transducer is fixed on body by fixed head.
Described a kind of laminated dielectric thickness abnormity pick-up unit, is characterized in that described displacement transducer is Magnetic Induction device or eddy current displacement sensor.
Described a kind of laminated dielectric thickness abnormity pick-up unit, the number that it is characterized in that described displacement transducer is 1-12, preferably 8-10.
Described a kind of laminated dielectric thickness abnormity pick-up unit, is characterized in that the spacing between accessory plate, lower accessory plate is 0.5-2.5mm.
Described a kind of laminated dielectric thickness abnormity pick-up unit, is characterized in that described elastic body is shell fragment or spring.
The detection method of described a kind of laminated dielectric thickness abnormity pick-up unit, is characterized in that comprising the following steps:
1) before application is measured, need to demarcate the output voltage of each displacement transducer in one group of sensor, during without any laminated dielectric, displacement transducer output voltage is V
0, when two standard thin slice dielectric thicknesses, the output voltage of displacement transducer is V
2, any laminated dielectric during by upper roller bearing, lower roller bearing the output voltage of displacement transducer be V, thickness output TH=(V-V
0) X255/ (V
2-V
0), and the output of multiple displacement transducers can be normalized;
2) complete after above-mentioned normalization, just can learn by learning algorithm the thickness of individual sheets medium, learning algorithm is as follows: suppose that 10 displacement transducer thickness of an equipment installation detect, by 8 laminated dielectrics, to each displacement transducer, can measure 8 output valves, add up to 80 output valves, the scope that in these 80 output valves, minimum value THmin and maximum of T Hmax define is exactly the thickness range of individual sheets medium;
3) individual sheets medium is touched to the operation passage operation that position forms through the gap between upper accessory plate, lower accessory plate and upper roller bearing, lower roller bearing, during through laminated dielectric, upper roller bearing upwards floats, corresponding displacement transducer carries out thickness detection to this laminated dielectric, measures the output valve of this displacement transducer by change in displacement module; Then pass through successively other displacement transducers, draw successively different output valves by change in displacement module; Then judge through Check processing module, if the output valve of each displacement transducer falls into the scope that minimum value THmin and maximum of T Hmax define, just show that thickness is normal, otherwise thickness abnormity.
Above-mentioned a kind of laminated dielectric thickness abnormity pick-up unit and detection method thereof, simple in structure, installation coherence request is low, is convenient to assembling, and control method is simple, easy to maintenance, in actual applications, whether the thickness that only need to detect a laminated dielectric meets the demands, and it is simple, convenient to use, Detection accuracy is high, can realize the detection to laminated dielectric thickness abnormities such as bank note, check, lottery tickets.
Brief description of the drawings
Fig. 1 is the structural representation of pick-up unit of the present invention;
Fig. 2 is the cross-sectional view of pick-up unit of the present invention;
Fig. 3 is detection block diagram of the present invention;
In figure: accessory plate, 7-elastic body, 8-fixed head, 9-Check processing module, 10-change in displacement module under roller bearing, 6-under 1-body, 2-displacement transducer, the upper roller bearing of 3-, the upper accessory plate of 4-, 5-.
Embodiment
Below in conjunction with Figure of description, the invention will be further described.
As shown in the figure, this laminated dielectric thickness abnormity pick-up unit, comprise body 1 and be arranged on one group of displacement transducer 2 on body 1, the below of each displacement transducer 2 is equipped with roller bearing 3, lower roller bearing 5, the bearing of upper roller bearing 3 is connected with body 1 resilient engagement by elastic body 7, the roller bearing of lower roller bearing 5 is fixed on body 1, upper roller bearing 3, lower roller bearing 5 elasticity touch cooperation, upper roller bearing 3, lower roller bearing 5 one side correspondences arrange accessory plate 4, lower accessory plate 6, upper accessory plate 4, lower accessory plate 6 is fixedly installed on body 1, upper accessory plate 4, gap between lower accessory plate 6 and upper roller bearing 3, lower roller bearing 5 touches position and is the operation passage of laminated dielectric.Described displacement transducer 2 is fixed on body 1 by fixed head 8.Described displacement transducer 2 is Magnetic Induction device or eddy current displacement sensor, also can adopt other displacement transducer.The number of described displacement transducer 2 is 1-12, preferably 8-10.This pick-up unit during for detection of bank note, generally adopts 10 displacement transducers 2, and the total length that installs rear all displacement transducers 2 is the length of a piece of paper coin just.Detect different laminated dielectrics, the spacing between number and the displacement transducer 2 of the displacement transducer 2 of its installation can be set according to actual needs.Spacing between upper accessory plate 4, lower accessory plate 6 is 1.5-2.5mm, preferably 2mm.Described elastic body 7 is shell fragment or spring, elastic body 7 is connected with the bearing of upper roller bearing 3, in the time that laminated dielectric passes through, can realize floating of roller bearing Shang Xia 3, left and right, corresponding displacement transducer 2 is gone up the change in location of roller bearing 3 by induction, calculate corresponding output valve by change in displacement module 10.This pick-up unit, simple in structure, installation, easy to use, Detection accuracy is high, easy to maintenance.
The detection method that adopts above-mentioned detection device, comprises the following steps:
1) before application is measured, need to demarcate the output voltage of each displacement transducer 2 in one group of sensor, during without any laminated dielectric, displacement transducer 2 output voltages are V
0, when two standard thin slice dielectric thicknesses, the output voltage of displacement transducer 2 is V
2, any laminated dielectric during by upper roller bearing 3, lower roller bearing 5 output voltage of displacement transducer 2 be V, thickness output TH=(V-V
0) X255/ (V
2-V
0), and also the output of multiple displacement transducers 2 can be normalized;
2) complete after above-mentioned normalization, just can learn by learning algorithm the thickness of individual sheets medium, learning algorithm is as follows: suppose that 10 displacement transducers of an equipment installation, 2 thickness detect, by 8 laminated dielectrics, to each displacement transducer 2, can measure 8 output valves, add up to 80 output valves, the scope that in these 80 output valves, minimum value THmin and maximum of T Hmax define is exactly the thickness range of individual sheets medium;
3) individual sheets medium is touched to the operation passage operation that position forms through the gap between upper accessory plate 4, lower accessory plate 6 and upper roller bearing 3, lower roller bearing 5, during through laminated dielectric, upper roller bearing 3 upwards floats, corresponding displacement transducer 2 carries out thickness detection to this laminated dielectric, measures the output valve of this displacement transducer 2 by change in displacement module 10; Then pass through successively other displacement transducers 2, draw successively different output valves by change in displacement module 10; Then judge through Check processing module 9, if the output valve of each displacement transducer 2 falls into the scope that minimum value THmin and maximum of T Hmax define, just show that thickness is normal, otherwise thickness abnormity.
Claims (7)
1. a laminated dielectric thickness abnormity pick-up unit, it is characterized in that comprising body (1) and being arranged on the one group of displacement transducer (2) on body (1), the below of each displacement transducer (2) is equipped with roller bearing (3), lower roller bearing (5), the bearing of upper roller bearing (3) is connected with body (1) resilient engagement by elastic body (7), the roller bearing of lower roller bearing (5) is fixed on body (1), upper roller bearing (3), lower roller bearing (5) elasticity touches cooperation, upper roller bearing (3), lower roller bearing (5) one side correspondences arrange accessory plate (4), lower accessory plate (6), upper accessory plate (4), lower accessory plate (6) is fixedly installed on body (1), upper accessory plate (4), gap between lower accessory plate (6) and upper roller bearing (3), lower roller bearing (5) touches position and is the operation passage of laminated dielectric.
2. a kind of laminated dielectric thickness abnormity pick-up unit as claimed in claim 1, is characterized in that described displacement transducer (2) is fixed on body (1) by fixed head (8).
3. a kind of laminated dielectric thickness abnormity pick-up unit as claimed in claim 1, is characterized in that described displacement transducer (2) is Magnetic Induction device or eddy current displacement sensor.
4. a kind of laminated dielectric thickness abnormity pick-up unit as claimed in claim 1, the number that it is characterized in that described displacement transducer (2) is 1-12, preferably 8-10.
5. a kind of laminated dielectric thickness abnormity pick-up unit as claimed in claim 1, is characterized in that the spacing between accessory plate (4), lower accessory plate (6) is 1.5-2.5mm.
6. a kind of laminated dielectric thickness abnormity pick-up unit as claimed in claim 1, is characterized in that described elastic body (7) is shell fragment or spring.
7. the detection method that adopts a kind of laminated dielectric thickness abnormity pick-up unit claimed in claim 1, is characterized in that comprising the following steps:
1) before application is measured, need to demarcate the output voltage of each displacement transducer (2) in one group of sensor, displacement transducer during without any laminated dielectric (2) output voltage is V
0, when two standard thin slice dielectric thicknesses, the output voltage of displacement transducer (2) is V
2, the output voltage of any laminated dielectric displacement transducer (2) during by upper roller bearing (3), lower roller bearing (5) is V, passes through formula: (V-V
0) X255/ (V
2-V
0), the thickness results that laminated dielectric is corresponding is: TH=(V-V
0) X255/ (V
2-V
0), and so also the output of the thickness of multiple displacement transducers (2) has been carried out to normalization;
2) complete after above-mentioned normalization, just can learn by learning algorithm the thickness of individual sheets medium, learning algorithm is as follows: suppose that equipment installation 10 displacement transducers (2) thickness detects, by 8 laminated dielectrics, to each displacement transducer (2), can measure 8 output valves, add up to 80 output valves, the scope that in these 80 output valves, minimum value THmin and maximum of T Hmax define is exactly the thickness range of individual sheets medium;
3) individual sheets medium is touched to the operation passage operation that position forms through the gap between upper accessory plate (4), lower accessory plate (6) and upper roller bearing (3), lower roller bearing (5), during through laminated dielectric, upper roller bearing (3) upwards floats, corresponding displacement transducer (2) carries out thickness detection to this laminated dielectric, measures the output valve of this displacement transducer 2 by change in displacement module (10); Then pass through successively other displacement transducers 2, draw successively different output valves by change in displacement module (10); Then pass through Check processing module (9) and judge, if the output valve of each displacement transducer 2 falls into the scope that minimum value THmin and maximum of T Hmax define, just show that thickness is normal, otherwise thickness abnormity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362146.0A CN104123782B (en) | 2014-07-28 | A kind of laminated dielectric thickness abnormity detection device and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362146.0A CN104123782B (en) | 2014-07-28 | A kind of laminated dielectric thickness abnormity detection device and detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104123782A true CN104123782A (en) | 2014-10-29 |
| CN104123782B CN104123782B (en) | 2017-01-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674848A (en) * | 2016-04-19 | 2016-06-15 | 京东方科技集团股份有限公司 | Thickness detector |
| CN105809813A (en) * | 2016-04-14 | 2016-07-27 | 广州市汇研微电子技术有限公司 | Banknote detection device |
| CN112233314A (en) * | 2020-12-17 | 2021-01-15 | 恒银金融科技股份有限公司 | Core thickness detection mechanism |
| CN112605133A (en) * | 2020-12-11 | 2021-04-06 | 杭州电子科技大学 | Rolled plate strip thickness detection device and control system |
| CN114160697A (en) * | 2021-11-24 | 2022-03-11 | 厦门华普胜钣金制造有限公司 | Stacking table for plate processing |
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| CN102176262A (en) * | 2011-01-17 | 2011-09-07 | 广州广电运通金融电子股份有限公司 | Thickness detecting method and device for slice medium |
| JP2011184124A (en) * | 2010-03-05 | 2011-09-22 | Toyo Networks & System Integration Co Ltd | Thickness detecting device of paper sheet, paper sheet processing device, and paper sheet handling device |
| CN102865806A (en) * | 2010-04-16 | 2013-01-09 | 上海古鳌电子科技股份有限公司 | Composite measuring method of paper currency measuring device for measuring micro displacement change |
| CN102903172A (en) * | 2012-09-26 | 2013-01-30 | 深圳市怡化电脑有限公司 | Method and device for detecting overlapping and connecting of notes |
| CN103339662A (en) * | 2011-02-01 | 2013-10-02 | 日立欧姆龙金融系统有限公司 | Media-thickness detection device and automatic transaction machine |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011184124A (en) * | 2010-03-05 | 2011-09-22 | Toyo Networks & System Integration Co Ltd | Thickness detecting device of paper sheet, paper sheet processing device, and paper sheet handling device |
| CN102865806A (en) * | 2010-04-16 | 2013-01-09 | 上海古鳌电子科技股份有限公司 | Composite measuring method of paper currency measuring device for measuring micro displacement change |
| CN102176262A (en) * | 2011-01-17 | 2011-09-07 | 广州广电运通金融电子股份有限公司 | Thickness detecting method and device for slice medium |
| CN103339662A (en) * | 2011-02-01 | 2013-10-02 | 日立欧姆龙金融系统有限公司 | Media-thickness detection device and automatic transaction machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105809813A (en) * | 2016-04-14 | 2016-07-27 | 广州市汇研微电子技术有限公司 | Banknote detection device |
| CN105674848A (en) * | 2016-04-19 | 2016-06-15 | 京东方科技集团股份有限公司 | Thickness detector |
| CN112605133A (en) * | 2020-12-11 | 2021-04-06 | 杭州电子科技大学 | Rolled plate strip thickness detection device and control system |
| CN112233314A (en) * | 2020-12-17 | 2021-01-15 | 恒银金融科技股份有限公司 | Core thickness detection mechanism |
| CN114160697A (en) * | 2021-11-24 | 2022-03-11 | 厦门华普胜钣金制造有限公司 | Stacking table for plate processing |
| CN114160697B (en) * | 2021-11-24 | 2023-09-19 | 厦门华普胜钣金制造有限公司 | Stacking table for plate machining |
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