CN213715958U - Cigarette surface character and pattern detection system - Google Patents
Cigarette surface character and pattern detection system Download PDFInfo
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- CN213715958U CN213715958U CN202022298319.0U CN202022298319U CN213715958U CN 213715958 U CN213715958 U CN 213715958U CN 202022298319 U CN202022298319 U CN 202022298319U CN 213715958 U CN213715958 U CN 213715958U
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Abstract
The utility model relates to a check out test set technical field discloses a cigarette surface characters pattern detecting system, including installing the industry camera on transfer apparatus, it has the shading strip to paste towards transfer apparatus's one end at the industry camera, be connected with processing apparatus with industry camera electricity, and with processing apparatus electric connection's pneumatic rejection apparatus, the lens part that pneumatic rejection apparatus installed on transfer apparatus through shading strip with the industry camera hides, make the industry camera only to the part region of making mistakes easily on the cigarette surface characters pattern take a picture, turn into the detection problem of several hundred pixels with the detection problem of the original several hundred thousand pixels, on the basis of guaranteeing detection quality, the detection speed of a cigarette surface characters pattern has been improved.
Description
Technical Field
The utility model relates to a check out test set technical field especially relates to a cigarette surface characters pattern detecting system.
Background
The method is characterized in that characters which are used for marking brand information are printed on the outer surface of a cigarette, if more characters and patterns or less characters and patterns on the surface of the cigarette are defective cigarettes, the characters and patterns on the surface of the cigarette are detected, a machine vision system is adopted to carry out online detection on cigarette production, and then the found cigarettes with the defective characters on the surface are removed.
However, the production speed of cigarettes on the production line is close to tens of thousands of cigarettes per minute, the detection time of each cigarette is only a few milliseconds on average, if the cigarettes are processed by adopting a chip with general processing capacity, the processing speed is far from the production speed of the cigarettes, and if the cigarettes are processed by adopting a chip with high-performance processing capacity, the cost is too high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a cigarette surface characters pattern detecting system can have the speed and the cost that a cigarette detected simultaneously concurrently.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
a cigarette surface character and pattern detection system comprises a conveying device and an industrial camera arranged on the conveying device, wherein a shielding strip is adhered to one end, facing the conveying device, of the industrial camera, a processing device is electrically connected with the industrial camera, and a pneumatic removing device is electrically connected with the processing device and is arranged on the conveying device; the industrial camera comprises a camera body and a cover body, wherein the camera body is electrically connected with the processing equipment, the cover body is detachably connected with the camera body, the cover body is positioned between the camera body and the conveying equipment, and the shielding strip is adhered to the cover body.
Furthermore, the detection system further comprises a first lighting device and a second lighting device, the first lighting device and the second lighting device are irradiated on the conveying device at an included angle, the number of the industrial cameras is two, and the two industrial cameras are respectively located on the refraction lines of the first lighting device and the second lighting device.
Furthermore, the processing equipment comprises a median filter and a chip assembly, the median filter is electrically connected with the industrial camera, the chip assembly is electrically connected with the median filter, and the pneumatic removing equipment is electrically connected with the chip assembly.
Furthermore, the processing equipment further comprises a binarization processor, the binarization processor is electrically connected with the median filter, and the chip assembly is electrically connected with the binarization processor.
Furthermore, the chip assembly comprises a data conversion chip and a judgment chip, the data conversion chip is electrically connected with the binarization processor, the judgment chip is electrically connected with the data conversion chip, and the pneumatic removing equipment is electrically connected with the judgment chip.
Further, pneumatic rejection device includes compressed air source, trachea, solenoid valve and air cock, and compressed air source installs on transfer apparatus, tracheal one end and compressed air source intercommunication, the end of giving vent to anger of air cock is installed on the trachea towards transfer apparatus, solenoid valve, and the quantity of air cock is many, and many air cocks evenly set up on the trachea, are equipped with the valve between the two adjacent tracheas.
The utility model has the advantages that:
one, the utility model discloses a lens head part of blocking strip with the industry camera covers for the industry camera only shoots to the subregion of making mistakes easily on a cigarette surface characters and patterns, turns into the detection problem of several hundred pixels with the detection problem of the hundreds of thousands of pixels originally, on the basis of guaranteeing detection quality, has improved the detection speed of a cigarette surface characters and patterns.
Two, the utility model discloses a glue the strip that shelters from that the difference was thought on adding the lid, then will correspond add the lid body coupling on the camera body to in succession all kinds of cigarettes to different characters and patterns.
Three, the utility model discloses a first lighting apparatus and second lighting apparatus are the contained angle and shine a cigarette surface characters pattern on the miscellaneous transfer apparatus and go out for when a cigarette examined, obtained different refraction angle's photo simultaneously by two industrial cameras, carry out the difference contrast after, upload and give processing apparatus and contrast with the standard value, reach the effect that improves the detection precision.
Drawings
FIG. 1 is a schematic structural diagram of a cigarette surface text and pattern detection system of the present invention;
fig. 2 is a partial enlarged view of the industrial camera of the present invention;
FIG. 3 is a schematic diagram of the circuit structure of the processing apparatus of the present invention;
wherein: 100-detection system, 10-conveying device, 11-groove, 20-industrial camera, 21-camera body, 22-capping body, 30-shading strip, 40-processing device, 41-median filter, 42-binarization processor, 43-chip component, 431-data conversion chip, 432-judgment chip, 50-pneumatic removing device, 51-compressed air source, 52-air pipe, 53-solenoid valve, 54-air nozzle, 55-valve, 60-first lighting device and 70-second lighting device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the utility model discloses a cigarette surface characters pattern detecting system 100, including carrying out the transfer apparatus 10 that a cigarette conveys, transfer apparatus 10 drives the live-rollers by the motor and rotates, and the live-rollers drives the conveyer belt and rotates and make, has offered curved recess 11 at the surface of conveyer belt, puts the cigarette of production in recess 11 the inside and conveys, and one side that the cigarette surface was printed with characters pattern up, and recess 11 can avoid a cigarette to slide at will and roll.
An industrial camera 20 is fixed above the conveying device 10, the industrial camera 20 is of a CCD type, a lens of the industrial camera 20 faces a cigarette character pattern, a shielding strip 30 is adhered to the lens of the industrial camera 20, the shielding strip 30 shields a part of the area of the lens of the industrial camera 20, so that the industrial camera 20 only photographs places where steel marks are prone to error at the intersection of strokes and the end of strokes of the cigarette character pattern on the surface, then the photographs are transmitted to a processing device 40 to be compared with preset standard data, the processing device 40 selects a computer in the embodiment, when the photographed photographs do not accord with the standard data, the processing device 40 sends an execution signal to a pneumatic removing device 50, and the pneumatic removing device 50 starts to screen out defective cigarettes. The lens part of the industrial camera 20 is shielded by the shielding strip 30, so that the industrial camera 20 only photographs the error-prone partial region on the character and pattern on the outer surface of the cigarette, the original detection problem of hundreds of thousands of pixels is converted into the detection problem of hundreds of pixels, and the detection speed of the character and pattern on the outer surface of the cigarette is improved on the basis of ensuring the detection quality. For example, when the cigarette brand is "Tianzi", the character and pattern on the outer surface of the cigarette are two characters of "Tianzi", the place where the two characters of "Tianzi" are easy to make mistakes is generally the intersection of the strokes and the tail falling place of the strokes, and at this time, the shielding strip 30 can be used to shield part of the lens of the industrial camera 20, so that the industrial camera 20 only needs to plate the license plate at the intersection of the strokes and the tail falling place of the strokes where the "Tianzi" is easy to make mistakes. Therefore, the shape of the shielding strip 30 changes along with the character and pattern on the outer surface of the cigarette, and the shielding strip 30 with one shape corresponds to the detection of the character and pattern on the outer surface of the cigarette with one brand.
Specifically, the industrial camera 20 includes a camera body 21 and a capping body 22, the camera body 21 is electrically connected to the processing device 40, the capping body 22 is in threaded connection with the camera body 21, the capping body 22 is located between the camera body 21 and the conveying device 10, and the shielding strip 30 is adhered to the capping body 22; the characters and patterns of different brands are different, for example, the characters and patterns displayed by two brands of "Tianzi cigarette" and "Hibiscus king" are different, so the shapes of the shielding strips 30 required are also different, the shielding strips 30 with different shapes are pasted on the cover bodies 22 in advance, and when the brands detected by the cigarettes change, the cover bodies 22 pasted with the corresponding shapes shielding strips 30 are replaced on the camera body 21.
Specifically, the detection system 100 further includes a first lighting device 60 and a second lighting device 70, the first lighting device 60 and the second lighting device 70 are illuminated on the conveying device 10 at an included angle, the included angle between the first lighting device 60 and the cigarette is an acute angle, the number of the industrial cameras 20 is two, and the two industrial cameras 20 are respectively located on the refraction lines of the first lighting device 60 and the second lighting device 70. During cigarette detection, two industrial cameras 20 obtain photos with different refraction angles at the same time, and the photos are uploaded to a processing device 40 to be compared with a standard value after differential comparison, so that the effect of improving detection precision is achieved.
Specifically, the processing device 40 includes a median filter 41, a binarization processor 42 and a chip component 43, the median filter 41 is electrically connected to the industrial camera 20, the median filter 41 is a non-linear digital filter, and is capable of removing speckle noise and salt and pepper noise in an image, and transmitting a picture taken by the industrial camera 20 to the binarization processor 42 after performing noise reduction processing on the picture. The binarization processor 42 is electrically connected to the median filter 41, and the chip module 43 is electrically connected to the binarization processor 42. The binarization processor 42 performs binarization processing on the image, and highlights areas which are easy to generate steel seal errors on the image, so that the important areas in the image can be positioned more accurately when the chip assembly 43 receives the image information, and the detection precision is further improved. The chip assembly 43 comprises a data conversion chip 431 and a determination chip 432, the data conversion chip 431 is electrically connected with the binarization processor 42, the determination chip 432 is electrically connected with the data conversion chip 431, and the pneumatic removing device 50 is electrically connected with the data conversion chip 431. The data conversion chip 431 adopts an SN74LV161APER model, and the judgment chip 432 adopts an SN74LVC1G08DCKR model. After the image signal transmitted from the binarization processor 42 is received by the data conversion chip 431, the image information is converted into a data signal, and the data signal is transmitted to the determination chip 432 to be compared with the standard data. The pneumatic removing device 50 is electrically connected with the judging chip 432, and when the data received by the judging chip 432 does not accord with the standard data, the pneumatic removing device 50 is started to remove the defective cigarette from the transmission belt in response. Pneumatic rejection equipment 50 includes compressed air source 51, trachea 52, solenoid valve 53 and air cock 54, and compressed air source 51 installs on transfer apparatus 10, and the one end and the compressed air source 51 intercommunication of trachea 52, solenoid valve 53 are installed on trachea 52, and the quantity of air cock 54 is five, and five air cocks 54 evenly set up the one end of keeping away from compressed air source 51 at trachea 52, are equipped with valve 55 between two adjacent air cocks 54. The solenoid valve 53 is connected with the processing equipment 40 through a PLC, when the processing equipment 40 sends out a signal for executing when recognizing that the received image information is not in accordance with the standard data, the solenoid valve 53 is opened, the compressed air source 51 is an air compressor, high-pressure air in the air pipe 52 is sprayed out from the air nozzle 54, one end of the air outlet of the air nozzle 54 faces to a groove of a transmission belt, a through hole is formed in the groove, and the high-pressure air is sprayed out from the bottom of the groove to push out cigarettes with defects in the groove.
After the use time is longer, the detection precision of the whole set of detection equipment is reduced to some extent, the valve 55 can be adjusted to be opened and closed, when a cigarette with a defective surface character pattern is found, a plurality of cigarettes around the cigarette are simultaneously removed, and the cigarettes with the defective surface character pattern can be reduced to enter the market.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (6)
1. A cigarette surface characters and patterns detecting system which characterized in that: the device comprises a conveying device and an industrial camera arranged on the conveying device, wherein a shielding strip is adhered to one end, facing the conveying device, of the industrial camera, the industrial camera is electrically connected with a processing device and a pneumatic removing device electrically connected with the processing device, and the pneumatic removing device is arranged on the conveying device; the industrial camera comprises a camera body and a cover body, wherein the camera body is electrically connected with processing equipment, the cover body is detachably connected with the camera body, the cover body is located between the camera body and conveying equipment, and the shielding strip is adhered to the cover body.
2. The cigarette surface character and pattern detection system according to claim 1, wherein: the detection system further comprises a first lighting device and a second lighting device, the first lighting device and the second lighting device are irradiated on the conveying device at included angles, the number of the industrial cameras is two, and the two industrial cameras are respectively located on the refraction lines of the first lighting device and the second lighting device.
3. The cigarette surface character and pattern detection system according to claim 2, characterized in that: the processing equipment comprises a median filter and a chip assembly, the median filter is electrically connected with the industrial camera, the chip assembly is electrically connected with the median filter, and the pneumatic removing equipment is electrically connected with the chip assembly.
4. The cigarette surface character and pattern detection system according to claim 3, wherein: the processing equipment further comprises a binarization processor, the binarization processor is electrically connected with the median filter, and the chip assembly is electrically connected with the binarization processor.
5. The cigarette surface character and pattern detection system according to claim 4, wherein: the chip assembly comprises a data conversion chip and a judgment chip, the data conversion chip is electrically connected with the binarization processor, the judgment chip is electrically connected with the data conversion chip, and the pneumatic removing equipment is electrically connected with the judgment chip.
6. The cigarette surface character and pattern detection system according to any one of claims 1 to 5, wherein: pneumatic rejection equipment includes compressed air source, trachea, solenoid valve and air cock, compressed air source installs on transfer apparatus, tracheal one end and compressed air source intercommunication, the end of giving vent to anger of air cock is towards transfer apparatus, the solenoid valve is installed on the trachea, the quantity of air cock is many, many the air cock evenly sets up on the trachea, is equipped with the valve between the double-phase adjacent trachea.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022298319.0U CN213715958U (en) | 2020-10-15 | 2020-10-15 | Cigarette surface character and pattern detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022298319.0U CN213715958U (en) | 2020-10-15 | 2020-10-15 | Cigarette surface character and pattern detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213715958U true CN213715958U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022298319.0U Active CN213715958U (en) | 2020-10-15 | 2020-10-15 | Cigarette surface character and pattern detection system |
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| Country | Link |
|---|---|
| CN (1) | CN213715958U (en) |
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2020
- 2020-10-15 CN CN202022298319.0U patent/CN213715958U/en active Active
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