CN101339144B - Coin two-sided automatic detection device - Google Patents
Coin two-sided automatic detection device Download PDFInfo
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- CN101339144B CN101339144B CN200810021698XA CN200810021698A CN101339144B CN 101339144 B CN101339144 B CN 101339144B CN 200810021698X A CN200810021698X A CN 200810021698XA CN 200810021698 A CN200810021698 A CN 200810021698A CN 101339144 B CN101339144 B CN 101339144B
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- reflective mirror
- narrow slit
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Abstract
The invention relates to an automatic detection device of two sides of a coin, which belongs to the technological field of detection device. The device comprises a detection surface which is used for bearing the coin, a parallel light source, and a linear array camera which is connected with an image processing system; the detection surface is arranged obliquely; the inclination is longer than the angle of friction of the coin and the detection surface; the surface is provided with an imaging slot with the length more than the diameter of the coin; a front reflecting mirror and a back reflecting mirror are respectively above and below the detection surface of the imaging slot; one side of the detection surface is provided with the parallel light source and the linear array camera; the front reflecting mirror and the back reflecting mirror reflect two parallel beams of the parallel light source respectively upwards and downwards to the imaging slot, and secondarily reflect the reflected light of the imaging slot to the position of the linear array camera. The automatic detection device has the significant advantage of high efficiency, avoids the forced transmission of the coin, and thus reduces the damage; the conveying distance of the coin is short; thus the structure is compact and the size is small.
Description
Technical field
The present invention relates to a kind of coin surface quality detection device, especially a kind of coin finished product or base cake two-sided automatic detection device belong to the checkout equipment technical field.
Background technology
Understand according to the applicant, existing coin automatic detection device is just all adopting, the mode of back side separate detection detects, and does not see the device that the positive back side is detected simultaneously so far yet.Therefore, existing coin automatic detection device work efficiency is lower, and contour dimension is big, often needs to be equipped with turn-over mechanism, so structure is comparatively complicated, breaks down easily.
Summary of the invention
The objective of the invention is to: at the shortcoming that above prior art exists, proposes a kind ofly can just to finish simultaneously, the Coin two-sided automatic detection device of back side quality testing, thus simplified structure, size reduction, the conveying that reduces coin damages.
In order to reach above purpose, Coin two-sided automatic detection device of the present invention comprises detection faces, source of parallel light and the line-scan digital camera that is connected with image processing system that carries coin; Its improvement is: described detection faces tiltably-mounted, pitch angle are greater than the angle of friction of coin and detection faces, and the surface has the imaging narrow slit of length greater than coin diameter; The detection faces above and below at described imaging narrow slit place is mounted with the front and back reflective mirror respectively, and a side is settled source of parallel light and line-scan digital camera; The two route parallel beams that described front and back reflective mirror lays respectively at the source of parallel light emission reflexes to the imaging narrow slit from the above and below, and will secondary reflect to the position of line-scan digital camera from the reflected light at described imaging narrow slit place.
Like this, when coin is carried through coin under the funnel and reason coin, when reaching detection faces, glide along the detection faces that tilts, when the time through imaging narrow slit place with automatic, the front and back of coin will receive the irradiation of source emissioning light simultaneously, and irradiation light reflected back, the secondary reflection through the front and back reflective mirror is absorbed by line-scan digital camera, be transported in the image processing system, realize detecting automatically Coin two-sided the time.The remarkable advantage of this device is the detection efficiency height; Avoid the forced conveyance of coin, therefore reduced damage; And the coin range ability is short, so compact conformation, and volume is small and exquisite.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the complete machine structure sketch of one embodiment of the invention.
Fig. 2 is the local structure for amplifying sketch of Fig. 1 embodiment.
Fig. 3 is the diagrammatic top view of Fig. 2.
Fig. 4 detects the part A at position to sketch for Fig. 2.
Fig. 5 is the structural representation corresponding with Fig. 4.
Fig. 6 is the vertical view of Fig. 5.
Embodiment
Embodiment one
The Coin two-sided automatic detection device complete machine structure of present embodiment comprises as shown in Figure 1: coin device A under the funnel is used to receive the finished product coin that last process impresses; Reason coin conveying device B is transported to pick-up unit after being used for the coin through the funnel coin discharge managed; The positive back side is test section C simultaneously, is used for that coin is carried out the positive back side and detects simultaneously, and reject defective coin.
Concrete structure is referring to Fig. 2, Fig. 3 and Fig. 5 and Fig. 6, and coin device A and coin conveying device B are same as the prior art under the funnel, by leaking coin bucket 1, reason coin bar 2, hairbrush 3, scraping coin plate 4, defeated coin belt 5 etc. and constitute.Test section C is then by detecting inclined-plane 6, reverse side reflective mirror 7, source of parallel light 8, line-scan digital camera 10, front reflective mirror 11, picking coin mechanism 12 and imaging narrow slit 13 etc. and constitute.Detection faces one end is connected with the output terminal of defeated coin belt, and the other end outputs to and connects the coin case, angled tiltably-mounted down, constitute and detect the inclined-plane, so not only the pitch angle can guarantee that greater than the angle of friction of coin and detection faces coin steadily glides, and sliding velocity is fit to detect.Detect 6 surfaces, inclined-plane and have the imaging narrow slit 13 of length greater than coin 9 diameters.The above and below at this imaging narrow slit place is mounted with front reflective mirror 11 respectively and reflective mirror 7, one sides in the back side are settled source of parallel light 8 and line-scan digital camera 10.Source of parallel light 8 is divided into two groups up and down, respectively towards the reflective surface of front and back reflective mirror, the two route parallel beams that the front and back reflective mirror lays respectively at the source of parallel light emission reflexes to the imaging narrow slit from the above and below, and will secondary reflect to the position (referring to Fig. 4, its reflective surface is 45 degree and tilts) of line-scan digital camera from reflected light by imaging narrow slit place coin.Picking coin mechanism 12 is placed in after the imaging narrow slit 13 that detects on the inclined-plane 6.
During work, coin enters defeated coin belt 5 through following coin funnel 1, through reason coin bar 2, hairbrush 3, scrape coin plate 4, makes the coin arrangement that is in line, and enters the positive back side subsequently and detects simultaneously on the inclined-plane 6.When coin 9 glides through narrow slit 13, front reflective mirror 11 and back side reflective mirror 7 are under the effect of source of parallel light 8, make coin just, back side image images in the line-scan digital camera 10 simultaneously, the image that collects is after the processing unit processes of image processing system, if there is defective in coin, promptly signals to and pick coin mechanism 12 this piece of rejecting coins.
Just, the principle of back side imaging simultaneously as shown in Figure 4: the upper and lower surface on front reflective mirror 11 and back side reflective mirror 7 and detection inclined-plane 6 respectively in angle of 45 degrees, forming "＜" shape distributes, the front of coin can image in the line-scan digital camera 10 by front reflective mirror 11, and the reverse side of coin can image in the line-scan digital camera 10 by imaging narrow slit 13 and by reverse side reflective mirror 7.Under the combined action of two reflective mirrors, narrow slit and light source, coin just, the back of the body two surfaces image in simultaneously in the line-scan digital camera 10.
Conclusion is got up, and Coin two-sided automatic detection device of the present invention has the following advantages: the detection efficiency height; Avoid the forced conveyance of coin, therefore reduced damage; The coin range ability is short, so compact conformation, and volume is small and exquisite; The coin tow sides all have irradiate light, and the edge imaging effect obviously improves.
Coin of the present invention is a generalized concept, has both comprised the finished product and the base cake of coin circulation, also comprises the finished product and the base cake of coin analogs such as souvenir badge, commemorative coin.In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (2)
1. a Coin two-sided automatic detection device comprises the detection faces, source of parallel light and the line-scan digital camera that is connected with image processing system that carry coin; It is characterized in that: described detection faces tiltably-mounted, pitch angle are greater than the angle of friction of coin and detection faces, and the surface of described detection faces has the imaging narrow slit of length greater than coin diameter; The detection faces above and below at described imaging narrow slit place is mounted with the front and back reflective mirror respectively, and a side at described imaging narrow slit place is settled source of parallel light and line-scan digital camera; The two route parallel beams that described front and back reflective mirror lays respectively at the source of parallel light emission reflexes to the imaging narrow slit from the above and below, and will secondary reflect to the position of line-scan digital camera from the reflected light at described imaging narrow slit place; Described source of parallel light is divided into two groups up and down, respectively towards the reflective surface of front and back reflective mirror; The upper and lower surface on described front reflective mirror and back side reflective mirror and detection inclined-plane forms the distribution of "＜" shape respectively in angle of 45 degrees.
2. according to the described Coin two-sided automatic detection device of claim 1, it is characterized in that: described detection inclined-plane one end is connected with the output terminal of defeated coin belt, and the other end outputs to and connects the coin case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810021698XA CN101339144B (en) | 2008-08-14 | 2008-08-14 | Coin two-sided automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810021698XA CN101339144B (en) | 2008-08-14 | 2008-08-14 | Coin two-sided automatic detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339144A CN101339144A (en) | 2009-01-07 |
| CN101339144B true CN101339144B (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810021698XA Active CN101339144B (en) | 2008-08-14 | 2008-08-14 | Coin two-sided automatic detection device |
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| Country | Link |
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| CN (1) | CN101339144B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789146B (en) * | 2009-01-23 | 2012-09-05 | 北京凌云光视数字图像技术有限公司 | Face-to-face photographing type coin inspection machine and coin inspection method |
| CN101819692B (en) * | 2010-04-12 | 2012-08-15 | 高新现代智能系统股份有限公司 | Coin image identification method and device |
| CN101913263B (en) * | 2010-08-27 | 2012-02-22 | 中钞长城金融设备控股有限公司 | Coin destroying system |
| CN102207467B (en) * | 2011-04-02 | 2013-08-07 | 云南昆船设计研究院 | Method and device for online detection and rejection of unembossed coins |
| CN102809941B (en) * | 2011-06-03 | 2015-03-11 | 上海造币有限公司 | Online automatic geometric dimension detecting and rejecting device for circulating coin blanks |
| CN102393178A (en) * | 2011-06-21 | 2012-03-28 | 上海工程技术大学 | Digital imaging and analyzing device for textures and colors of surfaces on both sides of sheet material |
| CN103593904B (en) * | 2012-08-15 | 2016-02-24 | 南京造币有限公司 | A kind of identifiable design is mingled in method and the device of the base cake in coin |
| CN103234984B (en) * | 2013-04-27 | 2016-01-27 | 南京中钞长城金融设备有限公司 | A kind of coin finished goods face quality control system |
| CN103940827B (en) * | 2014-05-05 | 2016-09-07 | 石家庄印钞有限公司 | Double-sided printed matter front offset printing quality detection system |
| JP6464021B2 (en) * | 2015-04-22 | 2019-02-06 | 新東エスプレシジョン株式会社 | measuring device |
| CN106767537B (en) * | 2017-03-20 | 2019-03-01 | 重庆市光学机械研究所 | A kind of monocular various dimensions profile scan device |
| CN108088641A (en) * | 2018-01-16 | 2018-05-29 | 南京航空航天大学 | A kind of sand dust collision reaction testing stand and test method |
| EP3803786A4 (en) * | 2018-06-09 | 2022-03-30 | Sundaram, Sudeep | Simultaneous inspection of multiple surfaces of an object |
| CN112184986A (en) * | 2020-09-18 | 2021-01-05 | 深圳市倍量电子有限公司 | Coin depositing device |
| CN112816472B (en) * | 2020-12-31 | 2023-05-16 | 苏州少士新创电子科技有限公司 | Coin identifier and coin identifying method |
| CN117470860B (en) * | 2023-12-27 | 2024-04-02 | 齐心商用设备(深圳)有限公司 | Coin double-sided detection device for coin counting equipment and detection method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145256A (en) * | 2006-09-13 | 2008-03-19 | 旭精工株式会社 | Value medium processing device |
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- 2008-08-14 CN CN200810021698XA patent/CN101339144B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145256A (en) * | 2006-09-13 | 2008-03-19 | 旭精工株式会社 | Value medium processing device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-222716A 1998.08.21 |
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| CN101339144A (en) | 2009-01-07 |
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Address after: 100044 Beijing city Xicheng District Xizhimen Street No. 143 triumph building Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100044 Beijing city Xicheng District Xizhimen Street No. 143 Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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