CN205091824U - Coin check out test set - Google Patents
Coin check out test set Download PDFInfo
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- CN205091824U CN205091824U CN201520844766.8U CN201520844766U CN205091824U CN 205091824 U CN205091824 U CN 205091824U CN 201520844766 U CN201520844766 U CN 201520844766U CN 205091824 U CN205091824 U CN 205091824U
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Abstract
The utility model discloses a coin check out test set, coin check out test set includes: the track, image detection means, including the image acquisition portion that is used for obtaining the image with than the counter quadrant, the end that obtains of image acquisition portion sets up form the scanning position on the track and on the track, and image acquisition portion is used for obtaining the scan imagery of the space of a whole page when the scanning position of the coin waiting to detect, is used for judging the true and false of coin according to scan imagery than the counter quadrant. Use the technical scheme of the utility model, utilize image acquisition portion to acquire the image of the coin waiting to detect to compare the image that obtains to judge the true and false of coin with predetermineeing the image, adopt image recognition's method to detect and discern the coin promptly, compare the mechanical process with the current vortex method has higher rate of accuracy, and have higher anti -electromagnetic interference ability, this is feasible the utility model discloses a coin check out test set compares current coin check out test set and has higher accuracy and more extensive suitability.
Description
Technical field
The utility model relates to the technical field of coin image identification, in particular to a kind of Coin detecting equipment.
Background technology
The identification adopting machinery to carry out coin is extensively incorporated in the financial economic fields such as bank with telling truth from falsehood.Existing Coin detecting equipment many employings mechanical means or current vortex method identify.Utilize the checkout equipment of mechanical means to detect size and the weight of coin, and as the foundation identified, this Coin detecting equipment structure simply, easily realizes, but identify that accuracy is poor, easily cheated by the counterfeit money of same size and weight.The checkout equipment of current vortex method is utilized to detect the electromagnetic property of coin by electromagnetic induction, and as the foundation identified, detection speed is fast, automaticity is higher, and the electromagnetic property due to coin determines according to the material of coin and size, therefore resolution is higher than mechanical detection method, but the requirement of eddy current detection to surrounding environment is higher, especially easily disturb by electromagnetic signal and produce identification error.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of Coin detecting equipment, to solve the problem that in existing Detecting of coin technology, discrimination is lower.
The utility model provides a kind of Coin detecting equipment, comprising: track; Image detection device, comprise the image acquiring unit for obtaining image and comparison portion, the acquisition end of image acquiring unit arranges in orbit and forms scanning position in orbit, image acquiring unit is for obtaining the scan image of the space of a whole page through scanning position of coin to be detected, and comparison portion is used for the true and false judging coin according to scan image.
Further, image detection device comprises multiple image acquiring unit, and the acquisition end of multiple image acquiring unit is arranged in orbit spaced reciprocally, and forms multiple scanning position in orbit.
Further, image acquiring unit comprises main scanning direction, and main scanning direction is perpendicular to the direction of motion of coin, and the size of image acquiring unit on main scanning direction is more than or equal to the full-size of coin.
Further, the arranged outside of the acquisition end of image acquiring unit has hard protection portion.
Further, image acquiring unit comprises optical lens and light source, and light source is arranged on the side of optical lens.
Further, image acquiring unit also comprises the photo-sensitive cell for the light signal of optical lens being converted to electric signal, and photo-sensitive cell is electrically connected with comparison portion.
Application the technical solution of the utility model, image acquiring unit is utilized to obtain the image of coin to be detected, and the image of acquisition is judged compared with pre-set image the true and false of coin, namely the method for image recognition is adopted to carry out detection and indentification to coin, compare Mechanical Method and electric vortex method has higher accuracy rate, and have higher anti-electromagnetic interference capability, this makes Coin detecting equipment of the present utility model compare existing Coin detecting equipment to have higher accuracy and applicability widely.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic diagram of the embodiment of the image detection device according to Coin detecting equipment of the present utility model;
The schematic diagram that the embodiment of applying the first Coin detecting equipment of the present utility model of showing Fig. 2 detects coin;
The schematic diagram that the embodiment of applying the second Coin detecting equipment of the present utility model of showing Fig. 3 detects coin;
Fig. 4 shows the schematic diagram of the embodiment acquisition pre-set image of Coin detecting equipment of the present utility model;
Fig. 5 show coin be in normal condition under original image;
The embodiment that Fig. 6 shows Coin detecting equipment of the present utility model scans the scan image obtained to the coin moved with First Speed;
The embodiment that Fig. 7 shows Coin detecting equipment of the present utility model scans to the coin moved lower than the speed of First Speed the scan image obtained; And
The embodiment that Fig. 8 shows Coin detecting equipment of the present utility model scans to the coin moved higher than the speed of First Speed the scan image obtained.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
100, coin; 200, image detection device; 210, image acquiring unit; 211, optical lens; 212, photo-sensitive cell; 213, light source; 220, hard protection portion; 230, substrate; 240, housing; 300, track.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The utility model provides a kind of Coin detecting equipment, and as shown in Figures 1 to 4, this Coin detecting equipment comprises: track 300; Image detection device 200, comprise the image acquiring unit 210 for obtaining image and comparison portion, the acquisition end of image acquiring unit 210 to be arranged on track 300 and to form scanning position on track 300, image acquiring unit 210 is for obtaining the scan image of the space of a whole page through scanning position of coin 100 to be detected, and comparison portion is used for the true and false judging coin 100 according to scan image.
Coin detecting equipment of the present utility model utilizes image acquiring unit 210 to obtain the image of coin 100 to be detected, and the image of acquisition is judged compared with pre-set image the true and false of coin 100, namely the method for image recognition is adopted to carry out detection and indentification to coin 100, compare Mechanical Method and electric vortex method has higher accuracy rate, and have higher anti-electromagnetic interference capability, this makes Coin detecting equipment of the present utility model compare existing Coin detecting equipment to have higher accuracy and applicability widely.
In addition, Coin detecting equipment of the present utility model is scanned by image acquiring unit 210 pairs of coins 100 of image detection device 200, obtain the scan image of coin 100, namely image acquiring unit 210 can coin 100 in scanning motion obtain scan image, do not need coin 100 to remain static, therefore Coin detecting equipment of the present utility model has higher efficiency.
In some embodiments of Coin detecting equipment of the present utility model, Coin detecting equipment has single image pick-up unit 200; And in other embodiments of Coin detecting equipment of the present utility model, Coin detecting equipment has multiple image detection device 200.
Embodiment as shown in Figure 2, Coin detecting equipment has single image pick-up unit 200; And embodiment as shown in Figure 3, Coin detecting equipment has two image detection devices 200.
In embodiment as shown in Figure 3, image detection device 200 comprises multiple image acquiring unit 210, and the acquisition end of multiple image acquiring unit 210 is arranged on track 300 spaced reciprocally, and forms multiple scanning position on track 300.
In the embodiment with multiple image detection device 200, Coin detecting equipment carries out Multiple-Scan to same coin 100, obtain multiple scan image, and as a rule because coin is different by the speed of multiple scanning position, cause multiple scan image also different, the contrast portion of Coin detecting equipment all to compare identification to each scan image, and then by identifying coin the identification of multiple scan image, reduces the generation of erroneous judgement.
Preferably, as shown in Figures 2 and 3, image acquiring unit 210 comprises main scanning direction, and main scanning direction is perpendicular to the direction of motion of coin 100, and the size of image acquiring unit 210 on main scanning direction is more than or equal to the full-size of coin 100.
In the embodiment shown in Fig. 2 and Fig. 3, the image acquiring unit 210 of image detection device 200 is perpendicular to track 300, should perpendicular to the direction of track 300 and main scanning direction, in scan image, the size of coin 100 is undistorted in the direction in which, in order to the image of complete acquisition coin, the size of image acquiring unit 210 on main scanning direction is more than or equal to the full-size of the maximum sized coin 100 that can detect.In addition, the direction of motion of coin is sub scanning direction, namely the direction of guide rail is parallel to, in scan image, may distortion be there is in the direction in which in the size of coin 100, the size of image acquiring unit 210 on sub scanning direction can not be too small, catches light can ensure enough light transmission capacities and not affect optical lens 211.
Preferably, as shown in Figures 1 to 3, the arranged outside of the acquisition end of image acquiring unit 210 has hard protection portion 220.Arrange hard protection portion 220 and scratch image acquiring unit 210 to avoid coin, therefore the hardness of hard protection portion 220 is greater than the hardness of coin 100, also needs transparent in the image through coin 100.Conventional coin transparent material comprises sapphire glass etc.
Preferably, as shown in Figure 1, image acquiring unit 210 comprises optical lens 211 and light source 213, and light source 213 is arranged on the side of optical lens 211.The light of light source 213 penetrates from the side, is irradiated to back reflection on coin 100 and is caught by optical lens 211.
More preferably, image acquiring unit 210 also comprises the photo-sensitive cell 212 for the light signal of optical lens 211 being converted to electric signal, and photo-sensitive cell 212 is electrically connected with comparison portion.Photo-sensitive cell 212 can be CCD photo-sensitive cell or CMOS photo-sensitive cell.
In the embodiment show in figure 1, photo-sensitive cell 212 is arranged on substrate 230, and identification part obtains the electric signal of scan image by the circuit on substrate 230, and the parts such as light source 213, optical lens 211, substrate 230 all protect by housing 240.Special instruction, Fig. 1 only diagrammatically illustrates the inner structure of the image detection device 200 of Coin detecting equipment of the present utility model, and image detection device can be compacter, to realize less volume.
As shown in Fig. 2 to 8, utilize Coin detecting equipment of the present utility model to comprise the method that coin detects: coin 100 to be detected to be moved and through the image acquiring unit 210 of image detection device 200, and obtained the scan image of the space of a whole page of coin 100 by image acquiring unit 210; The scan image of coin 100 and the pre-set image of pre-stored are contrasted, judges the true and false of coin 100 according to comparing result.
Utilize Coin detecting equipment of the present utility model can obtain to the method that coin detects the scan image that coin 100 produces in motion process, again by scan image compared with pre-set image, if find corresponding pre-set image, then can judge that coin is genuine note, otherwise be counterfeit money, therefore the method has higher identification accuracy, and has anti-electromagnetic interference capability.
Utilize a kind of embodiment of Coin detecting equipment to detect coin as shown in Figure 2, in these embodiments, Coin detecting equipment has single image pick-up unit 200, a scan image is obtained to each coin 100, and scan image and pre-set image are contrasted, pre-set image is the multiple images be stored in advance in Coin detecting equipment.Coin 100 discharges from the a1 position of track, and because track 300 has inclination angle Q, therefore coin can tumble, and arrive when detecting position b and obtain a speed, image detection device 200 scans the coin 100 be under this speed state, obtains scan image.
Detection method also comprises: coin 100 to be detected is moved also successively through the image acquiring unit 210 of multiple image detection device 200, and is obtained multiple scan images of coin 100 by multiple image acquiring unit 210; The multiple pre-set image stored in multiple scan image of coin 100 and image detection device 200 are contrasted, judges the true and false of coin 100 according to comparing result.
Utilize the another kind of embodiment of Coin detecting equipment to detect coin as shown in Figure 3, in these embodiments, Coin detecting equipment has multiple image detection device 200, obtains multiple scan image, and multiple scan image and pre-set image are contrasted each coin 100.Coin 100 discharges from the a1 position of track, because track 300 has inclination angle Q, therefore coin can tumble, arrive when detecting position c and obtain a speed, image detection device 200 scans the coin 100 be under this speed state, obtains a scan image, arrives when detecting position b and obtains another speed, image detection device 200 ' scans the coin 100 be under this speed state, obtains another scan image.This method can improve the accuracy rate of coin recognizing method.
As shown in Fig. 5 to 8, the multiple pre-set image stored in image detection device 200 comprise multiple scan images that coin 100 obtains with different speed scroll image acquiring unit 210 when the image acquiring unit 210.
Fig. 5 shows the space of a whole page schematic diagram of coin 100 in normal condition, image when namely coin 100 is in static, and be also the original image of coin 100, this image can belong to a pre-set image.In the images, the dimensions length of coin 100 on main scanning direction and sub scanning direction is h, the vertical direction in main scanning direction and Fig. 5, the vertical direction in sub scanning direction and Fig. 5, and under this state, the pattern of the space of a whole page of coin 100 is not distorted.
Fig. 6 then shows coin 100 when rolling with First Speed on sub scanning direction, and the scan image of coin 100, First Speed coordinates with sweep velocity to make the distortionless speed of scan image size on sub scanning direction, and this image belongs to a pre-set image.In the images, the dimensions length of coin 100 on main scanning direction and sub scanning direction is h, the distortion but the pattern of the space of a whole page of coin 100 is distorted.
Fig. 7 show coin 100 on sub scanning direction with speed scroll lower than First Speed time, the scan image of coin 100, this image belongs to a pre-set image.In the images, because coin is elongated by the time of scanning position, therefore the dimensions length of the image of coin 100 on sub scanning direction is elongated is x, and the dimensions length on main scanning direction does not become h, and the page image distortion distortion of coin 100.
Fig. 8 show coin 100 on sub scanning direction with speed scroll higher than First Speed time, the scan image of coin 100, this image belongs to a pre-set image.In the images, because the time of coin by scanning position shortens, therefore the dimensions length of the image of coin 100 on sub scanning direction shortens as y, and the dimensions length on main scanning direction does not become h, and the page image distortion distortion of coin 100.
Fig. 4 shows the preparation method obtaining above-mentioned each pre-set image, namely Coin detecting equipment of the present utility model is utilized, coin 100 diverse location a1, a2, a3 and a4 etc. from track 300 are discharged, coin 100 is made to obtain different speed Va1, Va2, Va3 and Va4 etc. when reaching scanning position b, image detection device is utilized to obtain each scan image of coin 100, obtain corresponding scan image Pa1, Pa2, Pa3 and Pa4 etc., store these scan images and as pre-set image.
In addition, the image that the interior multiple pre-set image stored of image detection device 200 comprise the space of a whole page of coin 100 has the scan image of different degreeof tortuositys.
In the ordinary course of things, the rolling dropping process of coin 100 on track 300 is a variable motion process, and motion process medium velocity constantly changes, such as accelerated motion etc.Sweep velocity due to image acquiring unit 210 is constant, and therefore on sub scanning direction, the resolution of scan image can change along with the velocity variations of coin 100.
Therefore when coin 100 with variable motion by scanning position time, the resolution of the scan image that image acquiring unit 210 obtains yet respective change on sub scanning direction, does not play the degreeof tortuosity of the image of the space of a whole page of coin 100 different in the same time yet.
When the utility model considers that coin 100 does variable motion, the degreeof tortuosity that image acquiring unit 210 scans the image of the space of a whole page of the scan image of the coin 100 obtained is different, therefore the scan image of image under multiple degreeof tortuosity of the space of a whole page of pre-stored coin 100 in image detection device, thus improve the accuracy of coin recognizing method.
On the other hand, the detection method of coin is also considered whether coin 100 can slide, namely the multiple pre-set image stored in image detection device 200 comprise coin 100 when scrolling through image acquiring unit 210 with different velocities of rotation with translational speed ratio, the scan image that image acquiring unit 210 obtains.
Because coin 100 not necessarily does complete rolling on track 300, also slip may be produced, slide if produce, then the torsional deformation degree of the scan image of the pattern of the space of a whole page of coin 100 is different from the scan image of the coin 100 under the state that complete rolling falls, when considering that coin produces slip if therefore need, the issuable multiple torsional deformation of pattern of the space of a whole page of coin 100, to improve the accuracy of coin recognizing method.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a Coin detecting equipment, is characterized in that, comprising:
Track (300);
Image detection device (200), comprise the image acquiring unit (210) for obtaining image and comparison portion, the acquisition end of described image acquiring unit (210) is arranged on described track (300) and goes up and form scanning position on described track (300), described image acquiring unit (210) is for obtaining the scan image of the space of a whole page through described scanning position of coin (100) to be detected, and described comparison portion is used for the true and false judging described coin (100) according to described scan image.
2. Coin detecting equipment according to claim 1, it is characterized in that, described image detection device (200) comprises multiple image acquiring unit (210), the acquisition end of described multiple image acquiring unit (210) is arranged on described track (300) spaced reciprocally, and at the multiple scanning position of the upper formation of described track (300).
3. Coin detecting equipment according to claim 1, it is characterized in that, described image acquiring unit (210) comprises main scanning direction, described main scanning direction is perpendicular to the direction of motion of described coin (100), and described image acquiring unit (210) size on described main scanning direction is more than or equal to the full-size of described coin (100).
4. Coin detecting equipment according to claim 1, is characterized in that, the arranged outside of the acquisition end of described image acquiring unit (210) has hard protection portion (220).
5. Coin detecting equipment according to claim 1, it is characterized in that, described image acquiring unit (210) comprises optical lens (211) and light source (213), and described light source (213) is arranged on the side of described optical lens (211).
6. Coin detecting equipment according to claim 5, it is characterized in that, described image acquiring unit (210) also comprises the photo-sensitive cell (212) for the light signal of described optical lens (211) being converted to electric signal, and described photo-sensitive cell (212) is electrically connected with described comparison portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844766.8U CN205091824U (en) | 2015-10-28 | 2015-10-28 | Coin check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844766.8U CN205091824U (en) | 2015-10-28 | 2015-10-28 | Coin check out test set |
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| Publication Number | Publication Date |
|---|---|
| CN205091824U true CN205091824U (en) | 2016-03-16 |
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| CN201520844766.8U Active CN205091824U (en) | 2015-10-28 | 2015-10-28 | Coin check out test set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225331A (en) * | 2015-10-28 | 2016-01-06 | 威海华菱光电股份有限公司 | Coin detecting equipment and Detecting of coin method |
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- 2015-10-28 CN CN201520844766.8U patent/CN205091824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225331A (en) * | 2015-10-28 | 2016-01-06 | 威海华菱光电股份有限公司 | Coin detecting equipment and Detecting of coin method |
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