CN111282836A - Risk control device and method - Google Patents
Risk control device and method Download PDFInfo
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- CN111282836A CN111282836A CN202010156320.1A CN202010156320A CN111282836A CN 111282836 A CN111282836 A CN 111282836A CN 202010156320 A CN202010156320 A CN 202010156320A CN 111282836 A CN111282836 A CN 111282836A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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Abstract
The invention relates to a risk control device which comprises a picture shooting trigger, a checking coin picking head, a secondary coin picking head and a detection camera, wherein the picture shooting trigger is connected with the detection camera through a hardware board card, the detection camera is connected with the input end of a computer, the output end of the computer is connected with the hardware board card, the checking trigger and the secondary coin picking head are respectively connected with the signal acquisition end of the hardware board card, and the checking coin picking head and the secondary coin picking head are respectively connected with the control output end of the hardware board card. The invention has the advantages that the invention can ensure the completeness of rejecting unqualified products of the coin checking machine, and simultaneously, forcedly rejects generated by small coin intervals, thereby effectively controlling the risk that unqualified products of the coin checking machine flow into qualified products.
Description
Technical Field
The invention relates to a risk control device and method in a coin processing process, and belongs to the technical field of coin quality detection.
Background
With the continuous development and progress of new technology and new process of coin processing and the deep progress of the fine processing of the production process, the processing process of the coin becomes more intelligent, and the intelligent control of the processing procedures is more and more, so that the control requirement on the production quality of the coin is increased more and more.
At present, the detection of the quality of coins in the coin processing process generally adopts the mode of additionally installing coin detection equipment on a coin conveying belt and installing a light curtain sensor at a coin rejection port behind the coin detection equipment to detect whether the coins are qualified or not, and simultaneously, whether rejection products exist or not and a rejection channel is detected. In the existing coin checking machine, when the rejected product is found not to reach the rejection channel, only an alarm operation can be started, and a secondary supplementary rejection action is not provided.
Disclosure of Invention
The invention aims to: aiming at the defect that secondary rejection cannot be achieved in the prior art, the risk control device and method are provided, the completeness of rejection of unqualified coins can be ensured, meanwhile, the problem of missing judgment caused by small coin intervals is forcedly rejected, and the qualification rate of the coins can be effectively controlled.
In order to achieve the above purpose, the invention provides a risk control device, which comprises a patting trigger, a checking and rejecting head, a secondary rejecting head and a detection camera, wherein the patting trigger is connected with the detection camera through a hardware board card, the detection camera is connected with the input end of a computer, the output end of the computer is connected with the hardware board card, the checking trigger and the secondary rejecting trigger are respectively connected with the signal acquisition end of the hardware board card, and the checking and rejecting head and the secondary rejecting head are respectively connected with the control output end of the hardware board card.
In the invention, the image shooting trigger is used for triggering the detection camera to shoot; the checking trigger is used for judging whether the coins are connected with the coins or not, checking a coin picking time base point, and generating a picking signal for unqualified coins and connected coins after checking in a delayed mode so as to control the checking and picking head to pick unqualified products and connected coins; the non-picking detection trigger is used for triggering a non-picking signal and transmitting the non-picking signal to the hardware board card to judge whether the picking of the coins is successful, and if the picking of the coins is not successful, controlling a non-picking head to carry out secondary picking.
Preferably, the image shooting trigger, the verification trigger and the trigger for detecting whether the image is to be detected is respectively arranged on the substrate through the trigger connecting seat.
Preferably, the checking and rejecting head and the secondary rejecting head which is to be rejected are respectively arranged on the base plate through the rejecting connecting seat.
Preferably, the substrate is further provided with a detection camera and a rejection channel.
Preferably, a conveying belt for conveying coins is mounted on one side of the substrate, and a pattern beating trigger, a checking and rejecting head, a to-be-rejected and rejected detection trigger and a to-be-rejected and rejected secondary rejecting head are sequentially arranged on the conveying belt along the conveying direction of the conveying belt.
Preferably, a rejecting channel is arranged on one side of the conveying belt, and the checking rejecting heads and the secondary rejecting heads which are required to reject the banknotes are arranged towards the rejecting channel.
Preferably, the detection camera is arranged between the capture trigger and the verification trigger.
The invention also provides a risk control method, which is characterized by comprising the following steps:
firstly, when coins are transported on a conveying belt, a figure shooting trigger triggers the passing coins and sends signals to a hardware board card, the hardware board card records timestamps of the passing coins through the figure shooting trigger and counts the coins to form a queue, the coin queue covered with the timestamps is obtained, and then the hardware board card sends information to a detection camera and a computer respectively; turning to the second step;
secondly, the detection camera takes pictures of the passing coins and transmits the taken pictures to the computer, the computer generates a judgment result of whether the coins are qualified or not according to the pictures, and the judgment result is bound with the queue numbers of the coins and then is transmitted to the hardware board card; turning to the third step;
thirdly, the coins are continuously transported, when the coins pass through the verification trigger, the verification trigger triggers the passing coins and sends signals to the hardware board card, and the hardware board card records the time stamp and the time pulse width of the coins passing through the verification trigger; the hardware board card extracts the stored information of the judgment result whether the coins bound with the queue numbers are qualified or not, and the fourth step is carried out; the hardware board card judges the connected coins according to the time pulse width and turns to the fifth step;
fourthly, when the coins are unqualified, after the hardware board card checks the coin picking time base point, delaying to generate a coin picking signal and sending the coin picking signal to a checking coin picking head, meanwhile, recording a time stamp of the coin picking signal and caching the time stamp to the hardware board card, and turning to the sixth step; when the coins are qualified, directly turning to the seventh step;
fifthly, when connecting coins, after the hardware board card checks the coin picking time base point, delaying to generate a coin picking signal and sending the coin picking signal to a check coin picking head, simultaneously recording a time stamp of the coin picking signal, caching the time stamp to the hardware board card, and turning to the sixth step; when no coin is connected, directly turning to the seventh step;
sixthly, after the coin picking head receives the coin picking signal, starting a picking action to pick out unqualified coins or the previous coins when the coins are connected; turning to the seventh step;
seventhly, the qualified coins are continuously transported with gaps, when the coins pass through the trigger for detecting whether the coins are rejected, the trigger for detecting whether the coins are rejected triggers the passing coins and triggers a signal to a hardware board card, and the hardware board card records the time stamp of the coins passing through the trigger (5) for detecting whether the coins are rejected; moving to the eighth step;
and step eight, reading a time stamp generating a coin rejecting signal by the hardware board card, comparing the time stamp with the time stamp of the coin passing a trigger for detecting whether the coin is rejected or not, controlling a secondary coin rejecting head to reject the coin for secondary coin rejection if the coin is rejected or not, and then conveying the coin to the output end of the coin conveying belt, otherwise, directly conveying the coin to the output end of the conveying belt.
In the fourth step and the fifth step, the specific method for verifying the banknote rejecting time base point is as follows:
(1) according to the distance l between the coin picking port where the coin picking head is located and the checking trigger and the speed s of the conveying belt, the time length t from the running of the checking trigger to the checking of the coin picking head of the coin is calculated by the following formula1，
t1＝l/s；
(2) Setting the execution time of an air valve for sending out a coin picking signal and checking a coin picking head as t2Calculating the delay time delta t of the rejection signal according to the following formula,
Δt＝t1- t2。
in addition, the hardware board card judges whether the coins are connected or not according to the time pulse width of the coins passing through the verification trigger, and when the time pulse width of the coins passing through the verification trigger is larger than 1.5-2 times of the diameter of the coins, the coins are judged to be connected, otherwise, the coins are not connected. The continuous coins mean that two coins are completely close together without a gap. The continuous coin rejection can effectively ensure that a normal gap exists between the coins for the distinguishing and the judging of a computer algorithm, and the problem that whether one coin is qualified or not and the other coin cannot be identified is ensured to occur under the continuous coin state, so that qualified products normally enter a detection port to be rejected with the gap guarantee to be triggered.
In the eighth step, when the time stamp of the coin passing through the trigger for detecting whether the coin is rejected is smaller than the sum of the time stamp for generating the coin rejecting signal and the delay time, the coin is not rejected, otherwise, the coin is rejected.
The invention has the following advantages:
1. the phenomenon of coin connection is avoided, the coin connection elimination is adopted to effectively eliminate the coins which are not judged due to the distance problem in the detection judgment of the qualification of the front coins, and meanwhile, the spacing distance between the coins is ensured for the detection station at the back so as to ensure that the detection process of rejecting the coins at the back has enough time to judge whether each coin is qualified;
2. when the first rejecting action is not completely realized or the coin queue is changed due to external conditions, whether the coins are qualified or not can be judged in time and unqualified products can be rejected by adopting the process of rejecting not rejecting.
In short, through the detection and judgment, the completeness of rejecting unqualified products of the coin checking machine is ensured, meanwhile, missed judgment caused by small coin intervals is forcedly rejected, and the risk that the unqualified products of the coin checking machine flow into qualified products is effectively controlled.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a risk control device according to the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a sectional view taken along line B-B in fig. 1.
FIG. 5 is a flow chart of a risk control method of the present invention.
In the figure: 1. the automatic coin picking machine comprises a picture shooting trigger, 2 a checking trigger, 3 a checking coin picking head, 4 a picking channel, 5 a non-picking detection trigger, 6 a secondary coin picking head, 7 a detection camera, 8 a triggering connecting seat, 9 a coin picking connecting seat, 10 a base plate and 11 a conveying belt.
Detailed Description
Example one
The risk control device of the embodiment has a structure as shown in fig. 1 and fig. 4, and comprises a pattern-beating trigger 1, a checking trigger 2, a checking coin-picking head 3, a trigger 5 for detecting whether to pick coins or not, a secondary coin-picking head 6 for detecting whether to pick coins or not and a detection camera 7, wherein the pattern-beating trigger 1, the checking trigger 2 and the trigger 5 for detecting whether to pick coins or not are respectively installed on a substrate 10 through trigger connection seats 8, and the checking coin-picking head 3 and the secondary coin-picking head 6 for detecting whether to pick coins or not are respectively installed on the substrate 10 through a coin-picking connection seat 9. The substrate 10 is also mounted with a detection camera 7 and a reject channel 4. A conveying belt 11 for conveying coins is mounted on one side of a base plate 10, a pattern shooting trigger 1, a checking trigger 2, a checking and rejecting head 3, a to-be-rejected and rejected secondary rejecting head 5 and a to-be-rejected and rejected secondary rejecting head 6 are sequentially arranged on the conveying belt 11 along the conveying direction, and a detection camera 7 is arranged between the pattern shooting trigger 1 and the checking trigger 2. A rejecting channel 4 is further arranged on one side of the conveying belt 11, and the checking and rejecting heads 3 and the secondary rejecting heads 6 which are not rejected are arranged towards the rejecting channel 4.
In addition, the photographing trigger 1 is connected to the detection camera 7 through a hardware board, the hardware board is an I/O card integrating communication and programming, the hardware includes a first circuit board (model controlled _ core _ V1.0), a first electric control board (model controlled _ core _ V1.0), a second circuit board (model controlled _ sub _ V1), a second electric control board (model controlled _ sub _ V1), a third circuit board (model controlled _ extensiplus), a third electric control board (model controlled _ extensiplus), and the like, and the I/O card is implemented by combining hardware and the existing software technology. The detection camera 7 is connected with the input end of the computer, the output end of the computer is connected with the I/O card, the check trigger 2 and the trigger 5 for detecting whether to reject or not are respectively connected with the signal acquisition end of the I/O card, and the check rejecting head 3 and the secondary rejecting head 6 for rejecting or not are respectively connected with the control output end of the I/O card.
A risk control method, as shown in fig. 5, comprising the steps of:
firstly, when coins are transported on a conveyor belt 11, a figure shooting trigger 1 triggers passing coins and sends a trigger signal to an I/O card, the I/O card records the time stamp of the passing coins through the figure shooting trigger 1 and counts the coins passing through the figure shooting trigger 1 to form a queue, a coin queue covered with a time stamp is obtained (namely, each coin in the queue is numbered and is added with the time stamp), then the I/O card sends the figure shooting signal to a detection camera 7, and meanwhile, the I/O card sends coin queue information covered with the time stamp to a computer; turning to the second step;
secondly, the detection camera 7 shoots the passing coins after receiving the image shooting signals, and transmits the shot images to the computer, and the computer analyzes the images to obtain the judgment result of whether the coins are qualified or not, binds the judgment result with the queue numbers of the coins and then transmits the judgment result to the I/O card; turning to the third step;
thirdly, the photographed coins are continuously transported, when the coins pass through the verification trigger 2, the verification trigger 2 triggers the passed coins and sends a trigger signal to the I/O card, and the I/O card records the time stamp of the coins passing through the verification trigger 2 and the time pulse width of the coins passing through the verification trigger 2; meanwhile, the I/O card extracts the judgment result information of whether the coins bound with the queue numbers are qualified or not, and then the fourth step is carried out; the I/O card judges whether the coin is connected according to the time pulse width length of the coin passing through the verification trigger 2, and then the step five is carried out;
fourthly, according to the result of the qualification of the coins, when the coins are unqualified, after the I/O card verifies the coin rejecting time base point, delaying to generate a coin rejecting signal and sending the coin rejecting signal to a verification coin rejecting head 3, simultaneously recording a time stamp of the coin rejecting signal, caching the time stamp in the I/O card, and turning to the sixth step; when the coins are qualified, directly turning to the seventh step;
fifthly, according to the result of the continuous coin judgment, when the coins are continuous, after the I/O card verifies the coin rejecting time base point, delaying to generate a coin rejecting signal and sending the coin rejecting signal to the verification coin rejecting head 3, simultaneously recording a time stamp of the coin rejecting signal, caching the time stamp into the I/O card, and turning to the sixth step; when the coins are not connected, directly turning to the seventh step;
sixthly, after the coin picking head 3 receives the coin picking signal, starting a picking action to pick out unqualified coins or the previous coins when the coins are connected; turning to the seventh step;
seventhly, the qualified coins are continuously transported with gaps, the coins enter a to-be-rejected detection port, when the coins pass through the to-be-rejected detection trigger 5, the to-be-rejected detection trigger 5 triggers the passing coins and sends a to-be-rejected trigger signal to the I/O card, and the I/O card records the timestamp of the passing coins of the to-be-rejected detection trigger 5; moving to the eighth step;
and step eight, reading the timestamp which is cached before and generates the coin rejecting signal by the I/O card, comparing the timestamp with the timestamp which is recorded at present and passes through the time stamp of the time when the coin is rejected and not rejected detection trigger 5, judging whether the coin is rejected and not rejected, if the coin is rejected and not rejected, namely the rejection instruction is not successfully completed, delaying the I/O card to generate a secondary rejection signal so as to control the time when the coin is rejected and not rejected for the second time by the coin rejecting head 6, then conveying the coin to the output end of the coin conveying belt 11, and otherwise, directly conveying the coin to the output end of the conveying belt 11.
In the second step, the computer comprises an image processing module which processes the coin image acquired from the camera to judge whether the surface quality of the coin is qualified or not and sends the judgment result to the I/O card. The image processing module adopts a computer to realize the acquisition, the discrimination processing and the output of the coin image by combining the prior software technology.
In addition, in the fourth step and the fifth step, the I/O card checks the reject time base point to determine the delay time length of the reject signal generated by the I/O card, and then the specific calculation method of the delay time length is as follows:
(1) according to the distance l between the coin picking port where the coin picking head 3 is located and the checking trigger 2 and the speed s of the conveying belt 11, the time length t for the coin to run from the checking trigger 2 to the position of the checking coin picking head 3 is calculated by the following formula1，
t1＝l/s；
(2) Setting the starting execution time of an air valve of a coin picking head 3 to be t when a coin picking signal is sent and verified2The delay time Δ t is calculated according to the following formula,
Δt＝t1- t2。
and in the fifth step, when the time pulse width of the coin passing through the verification trigger 2 is greater than 1.5-2 times of the diameter of the coin, judging the coin to be a continuous coin, and otherwise, judging the coin not to be a continuous coin.
In the seventh step, when the time stamp of the coin passing the rejecting and non-rejecting detection trigger 5 is less than the sum of the time stamp of the coin rejecting signal and the delay time, the rejection instruction is not successful, otherwise, the rejection instruction is successful. The time delay is the time taken for the coin to travel from the checking rejecting head 3 to the non-rejecting detection port.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (10)
1. A risk control device, characterized by: the automatic coin picking device comprises a picture picking trigger (1), a checking trigger (2), a checking coin picking head (3), a secondary coin picking head (6) and a detecting camera (7), wherein the picture picking trigger (1) is connected with the detecting camera (7) through a hardware board card, the detecting camera (7) is connected with the input end of a computer, the output end of the computer is connected with the hardware board card, the checking trigger (2) and the secondary coin picking head (5) are respectively connected with the signal acquisition end of the hardware board card, and the checking coin picking head (3) and the secondary coin picking head (6) are respectively connected with the control output end of the hardware board card.
2. A risk control device according to claim 1, wherein: the picture shooting trigger (1), the verification trigger (2) and the detection trigger (5) which should be rejected are respectively arranged on the substrate (10) through the trigger connecting seat (8).
3. A risk control device according to claim 2, wherein: the checking and rejecting head (3) and the secondary rejecting head (6) which should be rejected are respectively arranged on the base plate (10) through the rejecting connecting seat (9).
4. A risk control device according to claim 3, wherein: the base plate (10) is also provided with a detection camera (7) and a rejection channel (4).
5. A risk control device according to claim 4, wherein: a conveying belt (11) used for conveying coins is installed on one side of the base plate (10), and a picture beating trigger (1), a checking trigger (2), a checking and rejecting head (3), a to-be-rejected and not-rejected detection trigger (5) and a to-be-rejected and not-rejected secondary rejecting head (6) are sequentially arranged on the conveying belt (11) along the conveying direction of the conveying belt.
6. A risk control device according to claim 5, wherein: a rejecting channel (4) is arranged on one side of the conveying belt (11), and the checking and rejecting heads (3) and the secondary rejecting heads (6) which are to be rejected are arranged towards the rejecting channel (4).
7. The risk control device of claim 6, wherein: the detection camera (7) is arranged between the capture trigger (1) and the verification trigger (2).
8. A risk control method, comprising the steps of:
firstly, when coins are transported on a conveying belt (11), a figure shooting trigger (1) triggers the passing coins and sends signals to a hardware board card, the hardware board card records timestamps of the coins passing through the figure shooting trigger (1) and counts the coins to form a queue, a coin queue covered with the timestamps is obtained, and then the hardware board card sends information to a detection camera (7) and a computer respectively; turning to the second step;
secondly, the detection camera (7) takes a picture of the passing coin, the taken picture is transmitted to the computer, the computer generates a judgment result of whether the coin is qualified or not according to the picture, and the judgment result is bound with the queue number of the coin and then is transmitted to the hardware board card; turning to the third step;
thirdly, the coins are continuously transported, when the coins pass through the verification trigger (2), the verification trigger (2) triggers the passing coins and sends signals to the hardware board card, and the hardware board card records the time stamps and the time pulse widths of the coins passing through the verification trigger (2); the hardware board card extracts the stored information of the judgment result whether the coins bound with the queue numbers are qualified or not, and the fourth step is carried out; the hardware board card judges the connected coins according to the time pulse width and turns to the fifth step;
fourthly, when the coins are unqualified, after the hardware board card checks the coin picking time base point, delaying to generate a coin picking signal and sending the coin picking signal to a checking coin picking head (3), simultaneously recording a timestamp generating the coin picking signal and caching the timestamp to the hardware board card, and turning to the sixth step; when the coins are qualified, directly turning to the seventh step;
fifthly, when connecting coins, after the hardware board card checks the coin picking time base point, delaying to generate a coin picking signal and sending the coin picking signal to a check coin picking head (3), simultaneously recording a timestamp generating the coin picking signal and caching the timestamp to the hardware board card, and turning to the sixth step; when no coin is connected, directly turning to the seventh step;
sixthly, after the coin picking head (3) receives the coin picking signal, starting a picking action to pick out unqualified coins or the previous coins when the coins are connected; turning to the seventh step;
seventhly, the qualified coins are continuously transported with gaps, when the coins pass through the trigger (5) for detecting whether the coins are rejected, the trigger (5) for detecting whether the coins are rejected triggers the passing coins and triggers a signal to a hardware board card, and the hardware board card records the time stamp of the passing coins through the trigger (5) for detecting whether the coins are rejected; moving to the eighth step;
and eighth step, reading the time stamp generating the coin rejecting signal by the hardware board card, comparing the time stamp with the time stamp of the coin passing through the coin rejecting detection trigger (5) to judge whether the coin is rejected, controlling a secondary coin rejecting head (6) to reject the coin for secondary coin rejecting if the coin is rejected, and then transmitting the coin to the output end of the coin conveying belt (11), otherwise, directly transmitting the coin to the output end of the conveying belt (11).
9. A risk control method according to claim 8, characterized by: in the fourth step, in the fourth step and the fifth step, a specific method for verifying the banknote rejecting time base point is as follows:
(1) according to the distance l between the coin picking port where the check coin picking head (3) is positioned and the check trigger (2) and the speed s of the conveying belt (11), the time length t taken by the coin to run from the check trigger (2) to the check coin picking head (3) is calculated by the following formula1，
t1＝l/s；
(2) Setting the execution time of an air valve of a coin picking head (3) to be t when a coin picking signal is sent and verified2Calculating the delay time delta t of the rejection signal according to the following formula,
Δt＝t1- t2。
10. a risk control method according to claim 9, characterized by: in the eighth step, when the time stamp of the coin passing through the trigger (5) for detecting whether the coin is rejected is less than the sum of the time stamp for generating the coin rejecting signal and the delay time, the coin is judged to be rejected, otherwise, the coin is judged to be rejected.
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| CN106984562A (en) * | 2017-04-18 | 2017-07-28 | 江阴市广福机械有限公司 | A kind of primary sorting platform of house refuse and refuse classification method |
| 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 |
| CN107918968A (en) * | 2017-10-27 | 2018-04-17 | 广州畅阳电子科技有限公司 | A kind of Coin identifying apparatus and recognition methods |
| CN110038810A (en) * | 2019-04-24 | 2019-07-23 | 漳州松田包装机械有限公司 | A kind of turntable automatic material arranging packing machine defective products device for eliminating |
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