CN202758414U - Intelligent bus coin collector - Google Patents
Intelligent bus coin collector Download PDFInfo
- Publication number
- CN202758414U CN202758414U CN 201220372022 CN201220372022U CN202758414U CN 202758414 U CN202758414 U CN 202758414U CN 201220372022 CN201220372022 CN 201220372022 CN 201220372022 U CN201220372022 U CN 201220372022U CN 202758414 U CN202758414 U CN 202758414U
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- chip microcomputer
- motor drive
- drive module
- coin
- electrically connected
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Abstract
The utility model discloses an intelligent bus coin collector and relates to the technical field of coin detectors. The intelligent bus coin collector comprises a vortex flow sensor, a signal conditioning circuit, a single-chip microcomputer, a voice module, a genuine currency motor drive module and a counterfeit currency motor drive module. The vortex flow sensor is electrically connected with an input end of the single-chip microcomputer through the signal conditioning circuit. The voice module, the genuine currency motor drive module and the counterfeit currency motor drive module are electrically connected with an output end of the single-chip microcomputer. Improvement measures are taken to increase accuracy of the coin collector. In terms of hardware, the high/low-frequency vortex flow sensor is used to modify the circuit. In terms of software, accuracy of the coin collector in identifying counterfeit curacy is increased to more than 98% by the use of speed weighted algorithm.
Description
Technical field
The utility model relates to the Coin detection device technical field, relates in particular to a kind of bus intelligent coin-freed machine.
Background technology
Constantly perfect along with socioeconomic fast development and Traffic Systems, self-service ticketing bus is more and more universal, but the receipts coin system impalpable true and false coin that uses now, be difficult to the value of money of same size is automatically identified and added up, therefore cause the generation of some uncivil phenomenons, caused huge economic loss to public transport company.Existing Coin-discriminating device Main Problems is: can't identify accurately counterfeit money, for traditional Coin-discriminating device, just simply with several to infrared transmitting tube as sensor, coin is carried out detection and identification, the shortcoming of this method is that accuracy of detection is poor, the counterfeit money that the None-identified diameter is identical with genuine note.
The utility model content
Technical problem to be solved in the utility model provides a kind of bus intelligent coin-freed machine, has the high characteristics of identification counterfeit money degree of accuracy.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of bus intelligent coin-freed machine, it is characterized in that comprising eddy current sensor, signal conditioning circuit, single-chip microcomputer, voice module, genuine note motor drive module and counterfeit money motor drive module, described eddy current sensor is electrically connected with the input end of single-chip microcomputer through signal conditioning circuit, and voice module, genuine note motor drive module and counterfeit money motor drive module are electrically connected with the output terminal of single-chip microcomputer.
Further scheme of the present utility model is: described slot machine also comprises LCD display, and LCD display is electrically connected with the output terminal of single-chip microcomputer and shows coin information.
Further scheme of the present utility model is: described eddy current sensor comprises high-frequency vortex sensor and low frequency eddy current sensor.
Further scheme of the present utility model is: described single-chip microcomputer is PIC16F877.
The beneficial effect that adopts technique scheme to produce is: signal conditioning circuit becomes digital signal with the analog signal conversion that eddy effect produces, and the digital signal that obtains is processed by single-chip microcomputer and in real time to recently reaching the purpose of detection.Genuine note motor drive module and counterfeit money motor drive module drive motor are controlled the opening and closing of receiving coin and coin release channel, to receive or to withdraw from coin, voice module is sounded and is finished the prompting work of true/counterfeit money, and LCD display is finished the demonstration of the value of money that inserts coin.Described slot machine is being made multinomial innovative approach aspect the raising accuracy rate, using the high and low frequency eddy current sensor to carry out circuit at hardware aspect improves, operating speed weighting algorithm aspect software, and the data that detect had both needed to compare with standard value, comparison that also need to be on the relative time order, namely once with this time comparison, it is longitudinal comparison, departure and trend with description status, also need in identical working environment, compare, comparison between the same equipment, be lateral comparison, with the interference of the generation of eliminating extraneous factor, or the error that causes of accidentalia, improve the ability of identification counterfeit money, thereby make more than the rate of accuracy reached to 98% of slot machine identification counterfeit money.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of bus intelligent coin-freed machine, comprise eddy current sensor, signal conditioning circuit, single-chip microcomputer, voice module, genuine note motor drive module and counterfeit money motor drive module, described eddy current sensor is electrically connected with the input end of single-chip microcomputer through signal conditioning circuit, and voice module, genuine note motor drive module and counterfeit money motor drive module are electrically connected with the output terminal of single-chip microcomputer.
Preferred described slot machine also comprises LCD display, and LCD display is electrically connected with the output terminal of single-chip microcomputer and shows coin information.
Preferred described eddy current sensor comprises high-frequency vortex sensor and low frequency eddy current sensor, strengthens the accuracy of detection of described slot machine at hardware aspect.
Preferred described single-chip microcomputer is PIC16F877, can also select other single-chip microcomputer in the situation that does not change the design original intention, as long as can realize the function of slot machine.
Design introducing speed weighting algorithm carries out algorithm to be improved, and substantially can eliminate the impact that acceleration produces measurement result by using this algorithm.Integral Thought is: coin was carved into 2 processes of constantly rolling is divided into the very short one by one time period from 1 o'clock, the umber of pulse that the counter of each time period single-chip microcomputer obtains multiply by the average velocity of this time period, use again the value that obtains divided by the average velocity that was carved into for 2 moment at 1 o'clock, the value that obtains is exactly the overall pulse number after processing through the speed weighting, then processes afterwards frequency values divided by just having obtained T.T. through the speed weighting with the overall pulse number.
In measuring process, because the difference of running environment, sensor is aging etc., and reason causes the extraction to the coin eigenwert to change, and may cause testing result unstable.Solution will often carry out maintaining to described slot machine exactly, within the regular hour it is changed.The error that eliminating is caused by this respect factor also has some measuring error to need to consider that the error that reduces this side can improve the accuracy rate of detection.The error of this respect is exactly this three class of systematic error, stochastic error and human error, it is systematic error and stochastic error that described slot machine is affected larger error, systematic error uses contrast method of experiment and computational data relative method to reduce, and stochastic error uses arithmetic mean method and normal distribution method to reduce the accuracy of detection that improves described slot machine.
The groundwork flow process of slot machine is: coin to be detected successively carries out the collection of coin eigenwert by high-frequency vortex sensor and low frequency eddy current sensor, at this moment some eigenwerts of coin will be caught by sensor, signal conditioning circuit comes to gather and process in real time for single-chip microcomputer through converting these characteristic value information to digital quantity after the proper transformation, with identification result and the genuine note eigenwert that deposited in the past in the single-chip microcomputer compare, then single-chip microcomputer is responsible for the result of contrast is driven servomotor in suitable mode, LCD display and voice module, if counterfeit money then counterfeit money motor drive module drive motor reject counterfeit money and send chimes of doom, if genuine note then genuine note motor drive module drive motor receive genuine note, show the amount of money that the passenger inserts coin in LCD display, voice module is sounded and is pointed out the amount of money of inserting coins, if and quota then send melodious bell sound, if insufficient in amount then the prompting of not sounding continue to insert coins.
Described slot machine is being made multinomial innovative approach aspect the raising accuracy rate, and use the high and low frequency eddy current sensor to carry out circuit at hardware aspect and improve, operating speed weighting algorithm aspect software, and the data that detect had both needed to compare with standard value; Comparison that also need to be on the relative time order, namely before once with this time comparison, i.e. longitudinal comparison is with departure and the trend of description status; Also need in identical working environment, compare the comparison between the same equipment, i.e. lateral comparison, interference with the generation of eliminating extraneous factor, or the error that causes of accidentalia, improve the ability of identification counterfeit money, thereby make more than the rate of accuracy reached to 98% of slot machine identification counterfeit money.
Claims (4)
1. bus intelligent coin-freed machine, it is characterized in that comprising eddy current sensor, signal conditioning circuit, single-chip microcomputer, voice module, genuine note motor drive module and counterfeit money motor drive module, described eddy current sensor is electrically connected with the input end of single-chip microcomputer through signal conditioning circuit, and voice module, genuine note motor drive module and counterfeit money motor drive module are electrically connected with the output terminal of single-chip microcomputer.
2. a kind of bus intelligent coin-freed machine according to claim 1 is characterized in that described slot machine also comprises LCD display, and LCD display is electrically connected with the output terminal of single-chip microcomputer and shows coin information.
3. a kind of bus intelligent coin-freed machine according to claim 1 is characterized in that described eddy current sensor comprises high-frequency vortex sensor and low frequency eddy current sensor.
4. a kind of bus intelligent coin-freed machine according to claim 1 is characterized in that described single-chip microcomputer is PIC16F877.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372022 CN202758414U (en) | 2012-07-30 | 2012-07-30 | Intelligent bus coin collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372022 CN202758414U (en) | 2012-07-30 | 2012-07-30 | Intelligent bus coin collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758414U true CN202758414U (en) | 2013-02-27 |
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ID=47737583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220372022 Expired - Fee Related CN202758414U (en) | 2012-07-30 | 2012-07-30 | Intelligent bus coin collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202758414U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067545A (en) * | 2017-04-21 | 2017-08-18 | 太仓诚泽网络科技有限公司 | A kind of city bus method of payment |
| CN107067530A (en) * | 2017-03-30 | 2017-08-18 | 安徽大学 | A kind of Intelligent coin networking is reclaimed and exchange system |
| CN107909707A (en) * | 2017-10-27 | 2018-04-13 | 广州畅阳电子科技有限公司 | A kind of coin recognizing method algorithm and system |
| CN113570772A (en) * | 2021-08-06 | 2021-10-29 | 广州新丽华科技有限公司 | Coin-freed apparatus for frequency-changing identifying coin |
-
2012
- 2012-07-30 CN CN 201220372022 patent/CN202758414U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067530A (en) * | 2017-03-30 | 2017-08-18 | 安徽大学 | A kind of Intelligent coin networking is reclaimed and exchange system |
| CN107067545A (en) * | 2017-04-21 | 2017-08-18 | 太仓诚泽网络科技有限公司 | A kind of city bus method of payment |
| CN107909707A (en) * | 2017-10-27 | 2018-04-13 | 广州畅阳电子科技有限公司 | A kind of coin recognizing method algorithm and system |
| CN113570772A (en) * | 2021-08-06 | 2021-10-29 | 广州新丽华科技有限公司 | Coin-freed apparatus for frequency-changing identifying coin |
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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 |
Granted publication date: 20130227 Termination date: 20150730 |
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| EXPY | Termination of patent right or utility model |