CN103808658B - A kind of flaky material perspective pick-up unit - Google Patents
A kind of flaky material perspective pick-up unit Download PDFInfo
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- CN103808658B CN103808658B CN201410053172.5A CN201410053172A CN103808658B CN 103808658 B CN103808658 B CN 103808658B CN 201410053172 A CN201410053172 A CN 201410053172A CN 103808658 B CN103808658 B CN 103808658B
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Abstract
The present invention is a kind of flaky material perspective pick-up unit, and include cylinder, described cylinder rotates along its central shaft, and the external cylindrical surface around cylinder side forms the flaky material transfer path of one section of circular arc; The outer cylinder surface of described cylinder is provided with luminophor, outside cylinder and corresponding flaky material transfer path is provided with optical measuring element, outside cylinder and the opposite side being positioned at flaky material transfer path is provided with the illuminating source providing energy to luminophor; Described flaky material is synchronized with the movement along flaky material transfer path and cylinder, and the region to be checked correspondence in flaky material is arranged on described luminophor.The present invention can obtain high-quality fluoroscopy images and higher measuring accuracy, because cylinder does not adopt the mode of being powered to drums inside luminophor by wire or slip ring, therefore, roller frame can simplify greatly, cylinder is made to be easy to manufacture, be convenient to safeguard, be in operation and not easily break down, reduce operation and maintenance cost.
Description
Technical field
The invention relates to a kind of perspective pick-up unit, particularly relate to a kind of flaky material perspective pick-up unit.
Background technology
Flaky material perspective pick-up unit is for the detection to the paper integrality such as some prefabricated characteristics (such as: watermark, safety line etc.) and hole, breakage, knuckle in the flaky materials such as paper.
Existing flaky material perspective pick-up unit is arranged on chain road usually, optical measuring element (such as: camera) in pick-up unit and light source (such as: Halogen lamp LED) are arranged on the both sides in chain road respectively, to obtain the fluoroscopy images of the flaky material transmitted by chain road.But the transmission stability of the flaky material transmitted by chain road is not high, thus, when obtaining the fluoroscopy images of flaky material by the way, its image quality is wayward, and then has influence on the further raising of measuring accuracy.
In order to solve the problem, technician proposes a kind of transparent cylinder that adopts and carries out flaky material having an X-rayed the method detected.In the method, transparent cylinder is hollow-core construction, and electronic component (such as: light source or camera) is placed on transparent cylinder inside and is powered to the electronic component of drums inside by the slip ring outside cylinder.Adopt in this way, although the stability problem of flaky material transmission can be solved, thus obtain the fluoroscopy images of better quality and the measuring accuracy of Geng Gao.But the transparent cylinder complex structure adopted in the method, manufactures difficulty, with high costs, meanwhile, owing to adopting slip ring to power to drums inside electronic component, be thus often in operation and break down, and later maintenance trouble.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of flaky material perspective pick-up unit, to overcome the defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of flaky material to have an X-rayed pick-up unit, high-quality fluoroscopy images and higher measuring accuracy can be obtained, and roller frame simple, be easy to manufacture, be convenient to safeguard.
The object of the present invention is achieved like this, a kind of flaky material perspective pick-up unit, and include cylinder, described cylinder rotates along its central shaft, and the external cylindrical surface around cylinder side forms the flaky material transfer path of one section of circular arc; The outer cylinder surface of described cylinder is provided with luminophor, outside cylinder and corresponding flaky material transfer path is provided with optical measuring element, outside cylinder and the opposite side being positioned at flaky material transfer path is provided with the illuminating source providing energy to luminophor; Described flaky material is synchronized with the movement along flaky material transfer path and cylinder, and the region to be checked correspondence in flaky material is arranged on described luminophor.
In a better embodiment of the present invention, described luminophor is made up of luminescent material, and this luminescent material is sprayed on the outer cylinder surface of cylinder.
In a better embodiment of the present invention, described luminophor is made up of luminescent material, and this luminescent material is sprayed on flexible parent metal, and described flexible parent metal is fixed on the outer cylinder surface of cylinder; Described flexible parent metal outside surface is provided with protective clear layer.
In a better embodiment of the present invention, described luminescent material is long-afterglow material.
In a better embodiment of the present invention, described luminophor is made up of light-emitting device, and this light-emitting device is fixed on the outer cylinder surface of cylinder; Be positioned at the opposite side cylinder outer cylinder surface relative with light-emitting device and be provided with photo-electric conversion element; Described light-emitting device is electrically connected with photo-electric conversion element.
In a better embodiment of the present invention, described light-emitting device and photo-electric conversion element correspondence arrange many groups.
In a better embodiment of the present invention, described light-emitting device is LED; Described photo-electric conversion element is photoelectric cell or photodiode.
In a better embodiment of the present invention, in the position of adjacent optical measuring sensor and corresponding flaky material transfer path is provided with illuminance transducer.
A kind of flaky material perspective pick-up unit, include cylinder, described cylinder rotates along its central shaft, and the external cylindrical surface around cylinder side forms the flaky material transfer path of one section of circular arc; The outer cylinder surface of described cylinder is provided with luminophor, outside cylinder and corresponding flaky material transfer path is provided with optical measuring element, described flaky material is synchronized with the movement along flaky material transfer path and cylinder, and the region to be checked correspondence in flaky material is arranged on described luminophor; Described luminophor is made up of light-emitting device, and this light-emitting device is fixed on the outer cylinder surface of cylinder; Cylindrical outer is provided with the corresponding magnetic pole forming magnetic field, and described cylinder is provided with drum movement and cuts the closing coil of the magnetic line of force in described magnetic field, and described closing coil is electrically connected with light-emitting device.
In a better embodiment of the present invention, described light-emitting device arranges multiple; Described light-emitting device is LED.
From the above mentioned, flaky material perspective pick-up unit of the present invention, that luminophor is set at cylinder surface, outside cylinder, be correspondingly set to the illuminating source that luminophor provides energy simultaneously, ensure that luminophor has to during the position of optical measuring element the luminous intensity met needed for imaging with drum rotating, the clear fluoroscopy images in the region to be checked in flaky material can be obtained thus, owing to have employed cylinder transmission mode, the fluoroscopy images of better quality and the measuring accuracy of Geng Gao can be obtained; Meanwhile, because the cylinder in the present invention does not adopt the mode of being powered to drums inside luminophor by wire or slip ring, therefore, roller frame can simplify greatly, make cylinder be easy to manufacture, be convenient to safeguard, be in operation and not easily break down, reduce operation and maintenance cost.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1: be the structural representation of flaky material perspective pick-up unit embodiment one in the present invention.
Fig. 2: be the structural representation of flaky material perspective pick-up unit embodiment two in the present invention.
Fig. 3: be the structural representation of flaky material perspective pick-up unit embodiment three in the present invention.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
As shown in Figure 1 and Figure 2, the present invention proposes a kind of flaky material perspective pick-up unit 100, include cylinder 1, described cylinder 1 rotates (if arrow in Fig. 18 is the sense of rotation of cylinder) along its central shaft, and the external cylindrical surface around cylinder 1 side (being expressed as in FIG on the upside of cylinder 1) forms the flaky material transfer path 11 of one section of circular arc; The outer cylinder surface of described cylinder 1 is provided with luminophor 2, outside cylinder 1 corresponding flaky material transfer path 11 is provided with optical measuring element 3, outside cylinder 1 and the opposite side (being expressed as in FIG on the downside of cylinder 1) being positioned at flaky material transfer path 11 is provided with the position providing the illuminating source 4(illuminating source 4 of energy to arrange to luminophor 2, be blocked by flaky material in order to avoid its light and can not be radiated on luminophor); Described flaky material 9 is synchronized with the movement along flaky material transfer path 11 and cylinder 1, and the region to be checked correspondence in flaky material 9 is arranged on described luminophor 2.
In the present embodiment, described flaky material 9 comprises the printed matter that can form transmission effects, such as: individual paper, continuous form, sheet-fed printing plastic sheeting or continuous printing plastic sheeting etc.Described flaky material 9 enters transfer path by the upstream end 111 of flaky material transfer path 11, and is attached to cylinder surface and cylinder synchronous axial system, departs from transfer path and and roller separation more afterwards by the end 112 that leaves of flaky material transfer path 11.If conveying is that individual flaky material runs at cylinder surface, its transfer mode is arranged by the gripper of cylinder surface to realize (this is existing mature technology); If conveying is that continuous sheet material runs at cylinder surface, its transfer mode relies on special retractable winding apparatus to complete (being also existing mature technology).Flaky material can lean on cylindrical outer to dry or drums inside air draught realization in the attaching of cylinder surface.
From the above mentioned, flaky material perspective pick-up unit of the present invention, that luminophor 2 is set on cylinder 1 surface, outside cylinder, (outside) is correspondingly set to the illuminating source 4 that luminophor provides energy simultaneously, when ensureing that luminophor 2 rotates to the position of optical measuring element 3 with cylinder 1, there is the luminous intensity met needed for imaging, the clear fluoroscopy images in the region to be checked in flaky material 9 can be obtained thus, owing to have employed cylinder transmission mode, the fluoroscopy images of better quality and the measuring accuracy of Geng Gao can be obtained; Meanwhile, because the cylinder in the present invention does not adopt the mode of being powered to drums inside luminophor by wire or slip ring, therefore, roller frame can simplify greatly, make cylinder be easy to manufacture, be convenient to safeguard, be in operation and not easily break down, reduce operation and maintenance cost.
Embodiment one
As shown in Figure 1, in the present embodiment, described luminophor 2 is made up of luminescent material 21, and described luminescent material 21 is long-afterglow material; This long-afterglow material, after illumination, can keep the fluorescent lifetime grown very much and luminous intensity.Particularly, described long-afterglow material can be sulfide or rare earth compound etc.In the present embodiment, be that this luminescent material described is sprayed on the outer cylinder surface of cylinder 1.Described luminescent material 21 can be sprayed on the whole outer cylinder surface of cylinder, also can be sprayed at part surface.Illuminating source 4 provides energy to described long-afterglow material, ensures that long-afterglow material has to during optical measuring element 3 position the luminous intensity met needed for imaging with drum rotating.In the present embodiment, described optical measuring element 3 can be the devices such as camera; Described illuminating source 4 can be electric light source (such as: Halogen lamp LED), and described electric light source can luminous intensity as required arrange multiple, and is controlled to open by a control system 7.
When the cylinder surface being coated with long-afterglow material rotates the position to the illuminating source 4 of downside, electric light source irradiates described long-afterglow material (the unlatching quantity of described electric light source and intensity of illumination can adjust according to factors such as cylinder velocities of rotation), when the cylinder surface that this is coated with long-afterglow material rotates the camera position to upside, its continuous illumination, the clear picture in the region to be checked in flaky material 9 can be had an X-rayed, to make camera obtain fluoroscopy images clearly, the data obtained are passed to control system 7 by camera.
In the present embodiment, in the position of adjacent optical measuring sensor 3 and corresponding flaky material transfer path 11 is provided with illuminance transducer 5; This illuminance transducer 5 is used for measuring the luminous intensity of luminescent material 21 when optical measuring element 3.Measurement result can be passed to control system 7 by this illuminance transducer 5, and control system 7 can carry out Real-Time Monitoring according to this measurement result to the luminous intensity of luminescent material 21, to provide information warning; Control system can control according to the luminous intensity of this measurement result to illuminating source 4, has reached when luminescent material 21 runs to camera position and sufficient luminous energy still can be provided to complete imaging.
Further, in the present embodiment, a kind of mode of improvement can also be adopted, first luminescent material 21 is sprayed in a flexible parent metal (not shown), more described flexible parent metal is fixed on the outer cylinder surface of cylinder 1; Described flexible parent metal outside surface can be provided with protective clear layer, and this protective seam can prevent luminescent material from coming off.This protective seam has smooth outside surface, is conducive to obtaining better having an X-rayed measurement data.
From the above mentioned, shape material perspective pick-up unit of the present invention, makes flaky material stable in cylinder surface transmission, can obtain better flaky material perspective and detect data, thus can improve measuring accuracy further; Meanwhile, because the cylinder in the present invention does not adopt the mode of being powered to drums inside luminophor by wire or slip ring, therefore, roller frame can simplify greatly, make cylinder be easy to manufacture, be convenient to safeguard, be in operation and not easily break down, reduce operation and maintenance cost.
Embodiment two
The present embodiment is substantially identical with structure with the principle of embodiment one, and its difference is, as shown in Figure 2, luminophor 2 described in the present embodiment is by light-emitting device 22(electric light source) form, this light-emitting device 22 is fixed on the outer cylinder surface of cylinder 1; Be positioned at the opposite side cylinder outer cylinder surface relative with light-emitting device 22 and be provided with photo-electric conversion element 6; Described light-emitting device 22 is electrically connected with photo-electric conversion element 6.
In the present embodiment, the upper surface of described light-emitting device 22 and photo-electric conversion element 6 higher than cylinder external cylindrical surface, to enable outer surface of cylinder form smooth, complete arc surface, should not can not interfere the transmission of flaky material.
In the present embodiment, described light-emitting device 22 and photo-electric conversion element 6 correspondence can arrange many groups.Described light-emitting device 22 is LED; Described photo-electric conversion element 6 is photoelectric cell or photodiode.Each light-emitting device 22 can be electrically connected with one or more photo-electric conversion element.
When photo-electric conversion element 6 rotates the position to the illuminating source 4 of downside with cylinder surface, illuminating source 4 irradiates photo-electric conversion element 6, photo-electric conversion element 6 produces electric energy and passes to light-emitting device 22 and make it luminous, now, light-emitting device 22 is arranged in flaky material transfer path 11 on the upside of cylinder and corresponding with camera just, the clear picture in the region to be checked in flaky material 9 can be had an X-rayed, to make camera obtain fluoroscopy images clearly, the data obtained are passed to control system 7 by camera.
Should ensure when cylinder surface fixes light-emitting device 22 and coupled photo-electric conversion element 6, when light-emitting device 22 runs to image space, coupled photo-electric conversion element 6 should move within the light area of illuminating source 4, and ensures that the luminous intensity of light-emitting device 22 can meet the needs intensity that image camera obtains flaky material perspective imaging.
Other effects of the present embodiment are identical with embodiment one, do not repeat them here.
Embodiment three
The present embodiment is substantially identical with principle with the structure of embodiment two, both are in difference, as shown in Figure 3, illuminating source 4 and photo-electric conversion element 6 is eliminated in the present embodiment, and go cutting magnetic line with generation current with the closing coil 23 be connected with light-emitting device 22, and then electric energy is supplied to light-emitting device 22.
The concrete technical scheme of the present embodiment is, a kind of flaky material perspective pick-up unit 100, and include cylinder 1, described cylinder 1 rotates along its central axis, and the external cylindrical surface around cylinder 1 side forms the flaky material transfer path of one section of circular arc; The outer cylinder surface of described cylinder 1 is provided with luminophor, outside cylinder and corresponding flaky material transfer path is provided with optical measuring element, described flaky material is synchronized with the movement along flaky material transfer path and cylinder, and the region to be checked correspondence in flaky material is arranged on described luminophor; Described luminophor is made up of light-emitting device 22, and this light-emitting device 22 is fixed on the outer cylinder surface of cylinder 1; Cylindrical outer is provided with the corresponding magnetic pole 24 forming magnetic field, and described cylinder 1 is provided with drum movement and cuts the closing coil 23 of the magnetic line of force in described magnetic field, and described closing coil 23 is electrically connected with light-emitting device 22.
In the present embodiment, described light-emitting device 22 can arrange multiple; Described light-emitting device 22 is LED.
This closing coil 23(can be the part in an electric loop) when rollers running, the magnetic line of force that the magnet (magnetic pole) that cutting is positioned at cylinder side produces, just produce electric energy, this electric energy can provide illumination required electric power for light-emitting device 22; In order to the change that overcomes drum rotation speed with voltage of power fluctuation, power storage devices (such as: battery or electric capacity) can be installed in electric loop, when drum rotation speed is lower, stable electric power also can be provided to ensure the stability that light-emitting device 22 throws light on.
Other effects of the present embodiment are identical with embodiment one, do not repeat them here.
The foregoing is only the schematic embodiment of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (10)
1. a flaky material perspective pick-up unit, include cylinder, described cylinder rotates along its central shaft, and the external cylindrical surface around cylinder side forms the flaky material transfer path of one section of circular arc; Outside cylinder and corresponding flaky material transfer path is provided with optical measuring element, described flaky material is synchronized with the movement along flaky material transfer path and cylinder, it is characterized in that: the outer cylinder surface of described cylinder is provided with luminophor, outside cylinder and the opposite side being positioned at flaky material transfer path is provided with the illuminating source providing energy to luminophor; Region to be checked correspondence in flaky material is arranged on described luminophor.
2. flaky material perspective pick-up unit as claimed in claim 1, it is characterized in that: described luminophor is made up of luminescent material, this luminescent material is sprayed on the outer cylinder surface of cylinder.
3. flaky material perspective pick-up unit as claimed in claim 1, it is characterized in that: described luminophor is made up of luminescent material, this luminescent material is sprayed on flexible parent metal, and described flexible parent metal is fixed on the outer cylinder surface of cylinder; Described flexible parent metal outside surface is provided with protective clear layer.
4. pick-up unit had an X-rayed by flaky material as claimed in claim 2 or claim 3, it is characterized in that: described luminescent material is long-afterglow material.
5. flaky material perspective pick-up unit as claimed in claim 1, it is characterized in that: described luminophor is made up of light-emitting device, this light-emitting device is fixed on the outer cylinder surface of cylinder; Be positioned at the opposite side cylinder outer cylinder surface relative with light-emitting device and be provided with photo-electric conversion element; Described light-emitting device is electrically connected with photo-electric conversion element.
6. flaky material perspective pick-up unit as claimed in claim 5, is characterized in that: described light-emitting device and photo-electric conversion element correspondence arrange many groups.
7. flaky material perspective pick-up unit as claimed in claim 5, is characterized in that: described light-emitting device is LED; Described photo-electric conversion element is photoelectric cell or photodiode.
8. flaky material perspective pick-up unit as claimed in claim 1, is characterized in that: in the position of adjacent optical measuring sensor and corresponding flaky material transfer path is provided with illuminance transducer.
9. a flaky material perspective pick-up unit, include cylinder, described cylinder rotates along its central shaft, and the external cylindrical surface around cylinder side forms the flaky material transfer path of one section of circular arc; Outside cylinder and corresponding flaky material transfer path is provided with optical measuring element, described flaky material is synchronized with the movement along flaky material transfer path and cylinder, it is characterized in that: the outer cylinder surface of described cylinder is provided with luminophor, the region to be checked correspondence in flaky material is arranged on described luminophor; Described luminophor is made up of light-emitting device, and this light-emitting device is fixed on the outer cylinder surface of cylinder; Cylindrical outer is provided with the corresponding magnetic pole forming magnetic field, and described cylinder is provided with drum movement and cuts the closing coil of the magnetic line of force in described magnetic field, and described closing coil is electrically connected with light-emitting device.
10. flaky material perspective pick-up unit as claimed in claim 9, is characterized in that: described light-emitting device arranges multiple; Described light-emitting device is LED.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410053172.5A CN103808658B (en) | 2014-02-17 | 2014-02-17 | A kind of flaky material perspective pick-up unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410053172.5A CN103808658B (en) | 2014-02-17 | 2014-02-17 | A kind of flaky material perspective pick-up unit |
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| CN103808658A CN103808658A (en) | 2014-05-21 |
| CN103808658B true CN103808658B (en) | 2015-12-30 |
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| CN1670514A (en) * | 2004-03-17 | 2005-09-21 | 中国印钞造币总公司 | Apparatus and method for detecting sheet-like material |
| CN1670513A (en) * | 2004-03-17 | 2005-09-21 | 中国印钞造币总公司 | Apparatus and method for detecting sheet-like material |
| JP2014059795A (en) * | 2012-09-19 | 2014-04-03 | Komori Corp | Inspection device for sheet-like material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002197506A (en) * | 2000-12-26 | 2002-07-12 | Glory Ltd | Uv and fluorescence detecting device and its sensing method |
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2014
- 2014-02-17 CN CN201410053172.5A patent/CN103808658B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993023827A1 (en) * | 1992-05-15 | 1993-11-25 | Unisys Corporation | Electronic image system |
| CN1670514A (en) * | 2004-03-17 | 2005-09-21 | 中国印钞造币总公司 | Apparatus and method for detecting sheet-like material |
| CN1670513A (en) * | 2004-03-17 | 2005-09-21 | 中国印钞造币总公司 | Apparatus and method for detecting sheet-like material |
| JP2014059795A (en) * | 2012-09-19 | 2014-04-03 | Komori Corp | Inspection device for sheet-like material |
Non-Patent Citations (2)
| Title |
|---|
| Semi-automatic identification of print layers from a sequence of sample images: A case study from banknote print inspection;Daniel Soukup et al.;《Image and Vision Computing》;20091231;第27卷;第989–998页 * |
| 基于图像处理的印刷缺陷在线检测系统研究;陈亚军等;《包装工程》;20051231;第26卷(第6期);第64-66页 * |
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Effective date of registration: 20210416 Address after: 100070 8th floor, building 2, No.5 Zhonghe Road, Science City, Fengtai District, Beijing Patentee after: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee after: CHINA BANKNOTE PRINTING AND MINTING Corp. Address before: 100070 science Road 5, Beijing, Fengtai District Patentee before: SECURITY PRINTING INSTITUTE OF PEOPLE'S BANK OF CHINA Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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Address after: 100070 8th floor, building 2, No.5 Zhonghe Road, Science City, Fengtai District, Beijing Patentee after: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100070 8th floor, building 2, No.5 Zhonghe Road, Science City, Fengtai District, Beijing Patentee before: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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