CN202694450U - Device for detecting optical characteristics of paper money by utilizing light reflection principle - Google Patents
Device for detecting optical characteristics of paper money by utilizing light reflection principle Download PDFInfo
- Publication number
- CN202694450U CN202694450U CN2012203611639U CN201220361163U CN202694450U CN 202694450 U CN202694450 U CN 202694450U CN 2012203611639 U CN2012203611639 U CN 2012203611639U CN 201220361163 U CN201220361163 U CN 201220361163U CN 202694450 U CN202694450 U CN 202694450U
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- circuit
- luminotron
- receiving
- bank note
- light reflection
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Abstract
The utility model relates to a paper money detection device, in particular to a device for detecting optical characteristics of paper money by utilizing a light reflection principle. A luminous tube and a receiving tube are arranged on one side of a paper money delivery channel, and checking paper is attached to the other side of the paper money delivery channel. The luminous tube is used for irradiating the checking paper by utilizing emitted light, and the receiving tube is used for receiving the light reflected from the checking paper. An automatic correction control circuit is connected between a luminous tube transmission circuit and a receiving tube receiving circuit, and is connected with an external central processing unit (CPU) control system. The device has a function of automatically adjusting and correcting the luminous intensity of the luminous tube by using the hardware automatic correction control circuit, and manual operation is not required, so that great convenience is brought to a user; and the luminous intensity of the luminous tube can be adjusted and corrected at any time, and can be adjusted and corrected before the detection of each time or each batch, so that more accurate detection results can be obtained.
Description
Technical field
The utility model relates to a kind of note detection device, specifically a kind of pick-up unit that utilizes light reflection principle to detect the bank note optical signature.
Background technology
Banks of China and relevant financial institution adopt paper currency detection equipment that paper money counter and cleaning-sorting machine are arranged at present, in these equipment, all require function that bank note is discerned the false from the genuine, the optical signature that detects bank note is a kind of conventional means of the identification note true and false, this method requires irradiation bank note to be detected under certain luminotron emissive porwer usually, the light intensity that the detection receiving tube receives comes the true and false of identification note, light emitting diode and photodiode individuality are variant, diode behavior has drift in the use procedure, this requires will have in the equipment calibration function of light, generally adopt in equipment and proofread and correct by verification paper by hand, this correct operation is as frequently carrying out, to bring very large inconvenience to the user, at regular intervals verification once can not be carried out correct operation in real time normally.
The utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model be to provide a kind of utilize light reflection principle to the optical signature of bank note carry out accurately, the pick-up unit of stable detection.
The technical scheme that the utility model adopts for achieving the above object is: a kind of pick-up unit that utilizes light reflection principle to detect the bank note optical signature, in bank note Transfer pipe one side luminotron and receiving tube are housed, the opposite side dress posts verification paper, luminotron is used for the illumination of launching is mapped to verification paper, receiving tube is used for receiving the light that reflects on the verification paper, be connected with the automatic calibration control circuit between luminotron radiating circuit and the receiving tube receiving circuit, the automatic calibration control circuit is connected with the outer CPU control system.
Described automatic calibration control circuit comprises that the integrating function circuit, correcting switch circuit, the voltage that are linked in sequence keep functional circuit, drive functional circuit and detector switch circuit.
The input end of described integrating function circuit connects the output terminal of receiving tube receiving circuit, and the reference voltage of integrating function circuit input is provided by the outer CPU control system, is used for proofreading and correct the voltage of luminotron radiating circuit, and then proofreaies and correct the luminous intensity of luminotron.
The closure of described correcting switch circuit/disconnection is controlled by the outer CPU control system, when the correcting switch closing of circuit, luminotron radiating circuit and receiving tube receiving circuit are communicated with, and the luminous intensity of luminotron is carried out automatic calibration by the reference voltage of integrating function circuit input; When the correcting switch circuit disconnected, it is luminous that the luminotron radiating circuit drives luminotron by the voltage after proofreading and correct.
Whether luminous the closure of described detector switch circuit/disconnection is used for the control luminotron by the control of outer CPU control system.
The utlity model has following advantage:
1. have the function of the luminotron luminous intensity being regulated automatically correction by hardware automatic calibration control circuit, do not need artificial manual operations, bring great convenience to the user.
2. can regulate correction to the luminotron luminous intensity at any time, before each detection or every batch of detection, can regulate correction, make testing result more accurate.
3. simple with outer CPU control system interface, be easy to control and realization.
Description of drawings
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is that general structure of the present utility model is implemented schematic diagram;
Fig. 3 is the theory diagram of the utility model automatic calibration control circuit;
Fig. 4 is the circuit theory diagrams of the utility model automatic calibration control circuit.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is general structure schematic diagram of the present utility model.Comprise: luminotron radiating circuit, the Transfer pipe that posts verification paper, receiving tube receiving circuit, automatic calibration control circuit.
As shown in Figure 2, luminotron, receiving tube are installed in the same side of bank note Transfer pipe, post verification paper on the opposite side Transfer pipe.
As shown in Figure 3 and Figure 4, when carrying out automatic calibration, the luminotron light source luminescent, shine directly on the verification paper that pastes on the Transfer pipe, receiving tube directly receives the light of verification paper reflection, the control of outer CPU control system is by the integrating function circuit, the correcting switch circuit, voltage keeps functional circuit, drive functional circuit, the hardware automatic calibration control circuit of detector switch the electric circuit constitute, make the luminotron radiating circuit by hardware automatic calibration control circuit and receiving tube receiving circuit (the correcting switch circuit that is connected, the detector switch closing of circuit), the reference voltage that provides based on the outer CPU control system, hardware automatic calibration control circuit control luminotron radiating circuit, automatically regulate the luminous power of luminotron, make the receiver voltage of receiving tube be stable at the reference voltage that the external world provides.After finishing the adjustment of reference voltage, just can adjust and compensate weakening of power valve, receiving tube optical property, the optical characteristics of finishing bank note detects.
When carrying out the detection of bank note optical characteristics, the hardware automatic calibration control circuit of outer CPU control system control pick-up unit, make the luminotron radiating circuit disconnect (disconnection of correcting switch circuit) by hardware automatic calibration control circuit and receiving tube receiving circuit, the outer CPU control system provides reference voltage, whether closure by outer CPU control system control detector switch circuit/disconnection controls the luminotron light source luminescent, it is luminous that the luminotron radiating circuit drives luminotron by the voltage after proofreading and correct, reflection through bank note, because the difference of bank note optical characteristics, receiving end receives different reflecting lights, CPU carries out quantitative analysis according to the characteristic of waveform again, and obtaining accurately, the bank note optical characteristics detects analysis result.
Regulate by the automatic calibration that luminotron is carried out, the detection of bank note optical characteristics does not then need too strict to the performance requirement of luminotron, and the drift of the light signal that the luminotron that can also descend to some extent to the performance of using after a while sends compensates, so that testing result is more accurately and reliably, the accuracy of the false distinguishing of enhancing bank note, face amount identification etc.
Claims (5)
1. pick-up unit that utilizes light reflection principle to detect the bank note optical signature, it is characterized in that, in bank note Transfer pipe one side luminotron and receiving tube are housed, the opposite side dress posts verification paper, luminotron is used for the illumination of launching is mapped to verification paper, receiving tube is used for receiving the light that reflects on the verification paper, is connected with the automatic calibration control circuit between luminotron radiating circuit and the receiving tube receiving circuit, and the automatic calibration control circuit is connected with the outer CPU control system.
2. a kind of pick-up unit that utilizes light reflection principle to detect the bank note optical signature according to claim 1, it is characterized in that, described automatic calibration control circuit comprises that the integrating function circuit, correcting switch circuit, the voltage that are linked in sequence keep functional circuit, drive functional circuit and detector switch circuit.
3. a kind of pick-up unit that utilizes light reflection principle to detect the bank note optical signature according to claim 2, it is characterized in that, the input end of described integrating function circuit connects the output terminal of receiving tube receiving circuit, the reference voltage of integrating function circuit input is provided by the outer CPU control system, be used for proofreading and correct the voltage of luminotron radiating circuit, and then proofread and correct the luminous intensity of luminotron.
4. a kind of pick-up unit that utilizes light reflection principle to detect the bank note optical signature according to claim 3, it is characterized in that, the closure of described correcting switch circuit/disconnection is controlled by the outer CPU control system, when the correcting switch closing of circuit, luminotron radiating circuit and receiving tube receiving circuit are communicated with, and the luminous intensity of luminotron is carried out automatic calibration by the reference voltage of integrating function circuit input; When the correcting switch circuit disconnected, it is luminous that the luminotron radiating circuit drives luminotron by the voltage after proofreading and correct.
5. a kind of pick-up unit that utilizes light reflection principle to detect the bank note optical signature according to claim 2 is characterized in that, whether luminous the closure of described detector switch circuit/disconnection is used for the control luminotron by the control of outer CPU control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203611639U CN202694450U (en) | 2012-07-23 | 2012-07-23 | Device for detecting optical characteristics of paper money by utilizing light reflection principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203611639U CN202694450U (en) | 2012-07-23 | 2012-07-23 | Device for detecting optical characteristics of paper money by utilizing light reflection principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202694450U true CN202694450U (en) | 2013-01-23 |
Family
ID=47550033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203611639U Withdrawn - After Issue CN202694450U (en) | 2012-07-23 | 2012-07-23 | Device for detecting optical characteristics of paper money by utilizing light reflection principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202694450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413368A (en) * | 2013-08-02 | 2013-11-27 | 广东百佳百特实业有限公司 | Device for detecting and calibrating financial instruments in or out of factory |
| CN103578174A (en) * | 2012-07-23 | 2014-02-12 | 辽宁聚龙金融设备股份有限公司 | Device for detecting note optical characters based on light reflection principle |
-
2012
- 2012-07-23 CN CN2012203611639U patent/CN202694450U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578174A (en) * | 2012-07-23 | 2014-02-12 | 辽宁聚龙金融设备股份有限公司 | Device for detecting note optical characters based on light reflection principle |
| CN103578174B (en) * | 2012-07-23 | 2015-12-16 | 聚龙股份有限公司 | A kind of pick-up unit utilizing light reflection principle to detect bank note optical signature |
| CN103413368A (en) * | 2013-08-02 | 2013-11-27 | 广东百佳百特实业有限公司 | Device for detecting and calibrating financial instruments in or out of factory |
| CN103413368B (en) * | 2013-08-02 | 2015-09-23 | 广东百佳百特实业有限公司 | Carry out before dispatching from the factory or after dispatching from the factory financial detecting the device corrected |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JULONG CO., LTD. Free format text: FORMER NAME: LIAONING JULONG FINANCIAL EQUIPMENT CORP. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 114051, Anshan Province, east of the eastern part of the town of Liaoning Qianshan Road No. 308 Patentee after: JULONG CO., LTD. Address before: 114051, Anshan Province, east of the eastern part of the town of Liaoning Qianshan Road No. 308 Patentee before: Liaoning Julong Financial Equipment Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |