CN205788439U - Paper money identifier based on ultrasound wave - Google Patents
Paper money identifier based on ultrasound wave Download PDFInfo
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- CN205788439U CN205788439U CN201620408026.4U CN201620408026U CN205788439U CN 205788439 U CN205788439 U CN 205788439U CN 201620408026 U CN201620408026 U CN 201620408026U CN 205788439 U CN205788439 U CN 205788439U
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- digital conversion
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- paper money
- ultrasound wave
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of paper money identifier based on ultrasound wave, including ultrasonic listening module, amplifying circuit, analog to digital conversion circuit and MCU, echo is sent to amplifying circuit by ultrasonic listening module, echo after amplifying circuit will amplify sends to analog to digital conversion circuit, analog to digital conversion circuit carries out analog digital conversion to the echo after amplifying, obtain digital signal, and digital signal is sent to MCU.This utility model utilizes ultrasonic listening module to send ultrasonic signal to bank note, produce echo, when ultrasonic signal pass ripple to different medium surface or same medium difference towards time, different echos will be produced, again through amplifying and analog digital conversion, MCU completes the incomplete situation of note surface is detected and classified, and is not required to expend a large amount of manpower and materials.
Description
Technical field
This utility model relates to paper money recognition technical field, particularly relates to a kind of paper money identifier based on ultrasound wave.
Background technology
In the business activity of industrial and agricultural production and people, bank note is the most impaired in the field of circulation, and people are usually and are continuing with after pasting with adhesive tape by impaired bank note；Also the mode having illegal retailer to utilize splicing to paste makes counterfeit money.In bill handling, often there is the generation re-opened, affect the counting precision during bill handling.Financial department will be by the bank note of band adhesive tape or accurate and effective the making a distinction of the bank note re-opened when processing paper currency sorting.If using manpower manual sort, substantial amounts of human cost need to be consumed.
Utility model content
The utility model proposes a kind of paper money identifier based on ultrasound wave, it is provided that a kind of a kind of detection device utilizing ultrasound wave to pass the residual paper money classification such as its decay of different medium different principle detection note surface rubberizing paper, breakage, slight crack.
The technical solution of the utility model is achieved in that
A kind of paper money identifier based on ultrasound wave, including ultrasonic listening module, amplifying circuit, analog to digital conversion circuit and MCU, echo is sent to amplifying circuit by ultrasonic listening module, echo after amplifying circuit will amplify sends to analog to digital conversion circuit, analog to digital conversion circuit carries out analog digital conversion to the echo after amplifying, obtain digital signal, and digital signal is sent to MCU.
Further, ultrasonic listening module includes some ultrasound probes.
Further, also including power supply, power supply is connected with amplifying circuit, analog to digital conversion circuit and MCU respectively.
Further, ultrasonic listening module also includes ultrasonic receiver, and ultrasonic receiver electrically connects with amplifying circuit.
Further, MCU connects communication module, and communication module is communication interface or wireless communication module.
Further, MCU is also associated with alarm module.
Further, all ultrasound probes be arranged in parallel, the most equal with the distance between bank note.
The beneficial effects of the utility model are: utilize ultrasonic listening module to send ultrasonic signal to bank note, produce echo, when ultrasonic signal pass ripple to different medium surface or same medium difference towards time, different echos will be produced, again through amplifying and analog digital conversion, MCU completes the incomplete situation of note surface is detected and classified, it is not necessary to expend substantial amounts of manpower and materials.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit block diagram of this utility model paper money identifier based on ultrasound wave embodiment one；
Fig. 2 is ultrasonic listening module structural representation in paper money counter or cleaning-sorting machine in Fig. 1.
In figure, 1-amplifying circuit；2-ultrasonic listening module；3-analog to digital conversion circuit；4-MCU；5-power supply；6-bank note；The upper lateral paper guide of 7-；Lateral paper guide under 8-；9-the first drivewheel；10-the second drivewheel；11-the first pinch roller；12-the second pinch roller.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As shown in Figure 1, the utility model proposes a kind of paper money identifier based on ultrasound wave, including ultrasonic listening module 2, amplifying circuit 1, analog to digital conversion circuit 3 and MCU4, echo is sent to amplifying circuit 1 by ultrasonic listening module 2, echo after amplifying circuit 1 will amplify sends to analog to digital conversion circuit 3, analog to digital conversion circuit 3 carries out analog digital conversion to the echo after amplifying, and obtains digital signal, and sends digital signal to MCU4.This utility model utilizes ultrasonic listening module 2 to send ultrasonic signal to bank note 6, produce echo, when ultrasonic signal pass ripple to different medium surface or same medium difference towards time, different echos will be produced, again through amplifying and analog digital conversion, MCU4 completes the incomplete situation on bank note 6 surface is detected and classified.
Concrete, this utility model can also add in paper money counter or cleaning-sorting machine.When bank note 6 is by paper money counter or cleaning-sorting machine, as shown in Figure 1, some ultrasound probes launch ultrasonic signal respectively, when ultrasonic signal B passes ripple to bank note 6 surface, echo F will be produced, when ultrasonic signal pass ripple to different medium surface or same medium difference towards time, all can produce different echos.The echo that ultrasonic signal B produces when passing the ripple slight crack to bank note 6 surface is F1, and the echo produced time at biography ripple to bank note 6 surface rubberizing paper is F2, and the echo produced time at biography ripple to surface fracture is F3.Being passed ripple by ultrasonic signal B and produce the echo of F, F1, F2, F3 to bank note 6 surface, echo F, F1, F2, F3 of receiving are sent to amplifying circuit 11 and are amplified by ultrasonic listening module 2.Amplified echo-signal F, F1, F2, F3 are sent to analog to digital conversion circuit 3 and carry out analog digital conversion, are changed into digital signal.Echo digital signal F, F1, F2, F3 after modulus changes are sent to MCU4 again, by echo digital signal F, F1, F2, F3 signal is identified, processes, is analyzed, show that bank note 6 is normal or has rubberizing paper, has the bank note 6 of slight crack or breakage.Certainly, MCU4 need to arrange corresponding contrast signal in advance.
In other embodiments, also sample circuit can be set between analog to digital conversion circuit 3 and MCU4, allow sample circuit that echo digital signal F, F1, F2, F3 to be sampled, then the echo digital signal after sampling is sent to MCU4, it is possible to reduce the workload of MCU4.
Ultrasonic listening module 2 includes some ultrasound probes.Concrete, the number of ultrasound probe be N, N be integer, N is more than or equal to 1.All ultrasound probes be arranged in parallel, the most equal with the distance between bank note 6.Like this, it is possible to increase the precision to bank note 6 detection.Can be fixed by a fixture between ultrasound probe, it is possible to be fixed by screw or glue.
Composition of the present utility model also includes power supply 5, and power supply 5 is connected with amplifying circuit 1, analog to digital conversion circuit 3 and MCU4 respectively.Power supply 5 is powered for amplifying circuit 1 and MCU4, and certainly, power supply 5 is alternatively whole circuit and is powered.Power supply 5 can use lithium battery, it is possible to using Washdown type power supply 5, the charging head of power supply 5 can use USB charging head.
Ultrasonic listening module 2 also includes that ultrasonic receiver, ultrasonic receiver electrically connect with amplifying circuit 1.Ultrasonic receiver is used for receiving ultrasonic echo signal.Ultrasonic receiver is set together with ultrasound probe, in order to receive ultrasonic echo signal.
MCU4 connects communication module, and communication module is communication interface or wireless communication module.Communication interface can use network interface or USB interface, and wireless communication module can make this utility model be capable of long range radio transmissions and receive signal.The testing result of bank note 6 can be collected to server by MCU4 by communication module transmission.
MCU4 is also associated with alarm module.Alarm module can be according to the setting of user, if worn coin being detected, can send warning, notifying user.
As shown in Figure 2, this utility model is when reality is applied, can be applicable in paper money counter or cleaning-sorting machine, what in figure, arrow pointed to is bank note direction of advance, first drivewheel the 9, second drivewheel the 10, first pinch roller 11 and the second pinch roller 12 act on jointly, moving bank note 6, ultrasonic listening module the 2, first pinch roller 11 and the second pinch roller 12 are arranged at lateral paper guide 7, and the first drivewheel 9 and the second drivewheel 10 are located at lower lateral paper guide 9.In bank note moving process, ultrasonic listening module 2 i.e. utilizes ultrasound wave to be identified bank note.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (7)
1. a paper money identifier based on ultrasound wave, it is characterized in that: include ultrasonic listening module, amplifying circuit, analog to digital conversion circuit and MCU, echo is sent to described amplifying circuit by described ultrasonic listening module, echo after described amplifying circuit will amplify sends to analog-digital conversion circuit as described, analog-digital conversion circuit as described carries out analog digital conversion to the echo after amplifying, obtain digital signal, and digital signal is sent to described MCU.
Paper money identifier based on ultrasound wave the most according to claim 1, it is characterised in that: described ultrasonic listening module includes some ultrasound probes.
Paper money identifier based on ultrasound wave the most according to claim 1, it is characterised in that: also including power supply, described power supply is connected with described amplifying circuit, analog-digital conversion circuit as described and described MCU respectively.
Paper money identifier based on ultrasound wave the most according to claim 2, it is characterised in that: described ultrasonic listening module also includes that ultrasonic receiver, described ultrasonic receiver electrically connect with described amplifying circuit.
Paper money identifier based on ultrasound wave the most according to claim 1, it is characterised in that: it is communication interface or wireless communication module that described MCU connection has communication module, described communication module.
6. according to the paper money identifier based on ultrasound wave described in any one of claim 1 or 5, it is characterised in that: described MCU is also associated with alarm module.
Paper money identifier based on ultrasound wave the most according to claim 2, it is characterised in that: described all ultrasound probes be arranged in parallel, the most equal with the distance between bank note.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408026.4U CN205788439U (en) | 2016-05-06 | 2016-05-06 | Paper money identifier based on ultrasound wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408026.4U CN205788439U (en) | 2016-05-06 | 2016-05-06 | Paper money identifier based on ultrasound wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205788439U true CN205788439U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620408026.4U Expired - Fee Related CN205788439U (en) | 2016-05-06 | 2016-05-06 | Paper money identifier based on ultrasound wave |
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| Country | Link |
|---|---|
| CN (1) | CN205788439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108875892A (en) * | 2018-07-18 | 2018-11-23 | 浙江然鹏电子有限公司 | Ultrasonic wave paper money counter |
-
2016
- 2016-05-06 CN CN201620408026.4U patent/CN205788439U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108875892A (en) * | 2018-07-18 | 2018-11-23 | 浙江然鹏电子有限公司 | Ultrasonic wave paper money counter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210506 |