CN209606300U - A kind of packing machine vision-based detection automatic light source regulation device - Google Patents
A kind of packing machine vision-based detection automatic light source regulation device Download PDFInfo
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- CN209606300U CN209606300U CN201920021260.5U CN201920021260U CN209606300U CN 209606300 U CN209606300 U CN 209606300U CN 201920021260 U CN201920021260 U CN 201920021260U CN 209606300 U CN209606300 U CN 209606300U
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Abstract
The utility model relates to a kind of packing machine vision-based detection automatic light source regulation devices, including light-inductive resistance, A/D converter, controller, D/A converter, LED light battle array and power supply.The light-inductive resistance is connect with the A/D converter electric signal；The A/D converter is connect with the controller electric signal；The controller is connect by I/O interface with the D/A converter electric signal；The D/A converter is connect with the LED light battle array electric signal；The power supply is electrically connected with the A/D converter, the controller, the D/A converter and the LED light battle array respectively.When vision detection system works normally, device is set as automatic mode, at this point, 51 single-chip microcontrollers, in real time according to light-sensitive element, the current value that A/D converter is measured adjusts it to the stable state set.If measured value is bigger than normal, device need to increase the PWM duty cycle of LED gusts of control, and vice versa.
Description
Technical field
The utility model belongs to Cigarette processing equipment technical field, and especially a kind of is cigarette packer vision detection system
The automatic light source regulation device for stablizing illumination brightness is provided.
Background technique
During cigarette package, guarantee that the presentation quality of cigarette packet plume is that cigarette product quality control procedure is most important
Link.Small box of cigarettes rely primarily on the transmission of the frictional force between conveyor belt in entire transmission process, and cigarette packet is transmitting
There is turn-over and pile in the process, therefore seal has phenomena such as misplacing, fold, loss and occurs.In addition, being packed in transparent paper of small box
It it is easy to produce long side in forming process takes a mouthful face and be pasted not strongly, phenomena such as out-of-flatness, bubble wrinkle.
In actual production process, for this type cigarette packet quality appearance defect, mainly by industrial camera to cigarette packet
Snapshots are carried out, cigarette packet appearance photo is obtained and passes through binary conversion treatment.Cigarette packet feature is extracted to be compared with qualified cigarette packet feature
It whether there is above-mentioned Appearance quality defect to smoke packet is obtained in turn.In the treatment process of binaryzation, the setting of threshold value is especially heavy
It wants, the main influence factor of threshold value is extraneous illumination, and the threshold size under different illumination brightness lumens is different.
In existing used packing machine vision detection system, the setting of threshold value is the light according to provided by lighting source
It is set according to lumen.Due to the variation of extraneous illumination condition and lighting source life time decay, lead to ring locating for entire vision detection system
There is fluctuation in the illumination lumen in border, the threshold size of setting is not always within the scope of reasonable value, and binary image occurs special
Difference in sign will generate error when being compared with the characteristic image of qualified cigarette packet.In actual production process just
Can exist and phenomenon is rejected to the error detection rejecting or leak detection of cigarette packet.It can work packing machine vision detection system one
It is the key that guarantee accurate rejecting Appearance quality defect cigarette packet under a metastable illumination lumen.
Utility model content
The purpose of the utility model is to provide a kind of packing machine vision-based detection automatic light source regulation devices, to solve vision inspection
Examining system is fluctuated because illumination lumen exists, and the problem of cause to cigarette packet erroneous detection.
The utility model is achieved through the following technical solutions:
A kind of packing machine vision-based detection automatic light source regulation device, including light-inductive resistance, A/D converter, controller,
D/A converter, LED light battle array and power supply；
The light-inductive resistance is connect with the A/D converter electric signal；The A/D converter and controller electricity
Signal connection；
The controller is connect by I/O interface with the D/A converter electric signal；The D/A converter and the LED
The connection of lamp array electric signal；
The power supply is electrically connected with the A/D converter, the controller, the D/A converter and the LED light battle array respectively
It connects.
It further include mode selection button, the mode selection button includes automatic mode key and manual mode key.
In the automatic mode key, by the light-inductive resistance, A/D converter, the controller, described
Successively electric signal connects for D/A converter and the LED light battle array；
The power supply is electrically connected with the A/D converter, the controller, the D/A converter and the LED light battle array respectively
It connects；
In the manual mode key, the controller is connect with the LED light battle array electric signal, the power supply respectively with
The controller and LED light battle array electrical connection.
Including mode indicating lamp, the mode indicating lamp includes automatic mode indicator light and manual mode indicator light；It is described
Automatic mode indicator light is corresponding with automatic mode key, and the manual mode indicator light is opposite with the manual mode key
It answers.
The light-inductive resistance uses the photo resistance of model GL5549.
The controller is 51 single-chip microcontrollers.
The beneficial effects of the utility model are:
When vision detection system works normally, device is set as automatic mode, at this point, 51 single-chip microcontrollers are in real time according to photosensitive member
Part, the current value that A/D converter is measured adjust it to the stable state set.If measured value is bigger than normal, device need to increase control
LED gusts of PWM duty cycle, vice versa.Guarantee that detection system can work under constant illumination lumen, so that preset
Binarization threshold, which is stablized, effectively can more accurately detect the unqualified cigarette packet rejected and have Appearance quality defect, subtract as far as possible
It is few accidentally to pick, the case where mistake is picked.
By suitable hardware selection and software configuration, device can be stable, efficiently, reliably, easy to maintain.
Detailed description of the invention
Fig. 1 is the flow chart of the utility model vision-based detection automatic light source regulation device；
Fig. 2 is utility model vision-based detection automatic light source regulation device work-based logic figure.
Description of symbols
1 light-inductive resistance, 2 power supplys, 3 A/D converters, 4, controller, 5 D/A converters, 6 LED light battle arrays, 7 keys
Indicator light, 8 mode selection buttons.
Specific embodiment
The technical solution of the utility model is described in detail by the following examples, embodiment below is only exemplary
, it is only capable of for explanation and illustration the technical solution of the utility model, and be not to be construed as to technical solutions of the utility model
Limitation.
The application provides a kind of packing machine vision-based detection automatic light source regulation device, for providing for packing machine vision-based detection
The lighting source of constant lumen.The critical issue that the technical program mainly solves includes core control circuit interface microcontroller circuit
Design, the design of LED voltage regulator circuit mould port and intelligent control program are write.
As shown in Figure 1, include light-inductive resistance 1, A/D converter 3, controller 4, D/A converter 5, LED light battle array 6 and
Power supply 2, mode selection button 8 and mode indicating lamp 7.It is to extraneous illumination variation accurate stable real to guarantee in the present embodiment
When acquisition monitoring, light-inductive resistance selects the high GL5549 photo resistance of sensitivity, and designs the guarantee of current stabilization shunt circuit
It is stablized and safety.
Light-inductive resistance is connect with A/D converter electric signal；A/D converter is connect with controller electric signal；This implementation
In example, controller is STC89C51 type single-chip microcontroller as main control module and carries out signal processing data operation.
Controller is connect by I/O interface with D/A converter electric signal；D/A converter is connect with LED light battle array electric signal.
Power supply is electrically connected with A/D converter, controller, D/A converter and LED light battle array respectively, the power supply in the present embodiment
For DC5V power supply.
In the present embodiment, mode selection button includes automatic mode key and manual mode key.
In automatic mode key, by light-inductive resistance 1, A/D converter 3, controller 4, D/A converter 5 and LED light
Successively electric signal connects battle array 6.
Power supply 2 is electrically connected with A/D converter 3, controller 4, D/A converter 5 and LED light battle array 6 respectively；In automatic mode
Under, the ambient light analog signal transmission that identifies of brightness Acquisition Circuit of light-inductive resistance composition into A/D converter into
For row analog quantity to the conversion of numerical quantities, output end is connected to the input terminal of single-chip microcontroller, and numerical signal is transported by single-chip microcontroller kernel
It calculates, is output to D/A converter, by control LED light battle array in the duty ratio of a power-up period, carry out the brightness of realization device output
Lumen is of different sizes, so that the work of packing machine vision detection system guarantees that it can accurately detect cigarette under constant light environment
Packet presentation quality.
In manual mode key, controller 4 is connect with 6 electric signal of LED light battle array, power supply respectively with controller and LED light
Battle array electrical connection, brightness Acquisition Circuit and other signal processing circuits will be shielded.The function of mode selection button becomes adjusting manually
Function is saved, the plus-minus of output brightness lumen is realized by key, meets the needs of debugging maintenance.
Mode indicating lamp includes automatic mode indicator light and manual mode indicator light；Automatic mode indicator light and automatic mode
Key is corresponding, and manual mode indicator light is corresponding with manual mode key.
As depicted in figs. 1 and 2, a kind of system of the packing machine vision-based detection automatic light source regulation device based on 51 single-chip microcontrollers
Working principle are as follows:
Before entering operating mode, it is necessary first to initialize apparatus system, 51 single-chip microcontrollers can be ceaselessly to each of which
The port I/O is scanned；External interrupt will be triggered after scanning push button signalling, mode selection button is carried out judging whether to change
The output brightness for becoming self-checking device, continues to detect external break events if not changing；It, will if triggering changes brightness
Luminance compensation or decaying under either automatically or manually mode can be realized according to the needs of packing machine vision-based detection, guarantee packing machine work
Make under the illumination condition of 150 lumens or so, reduces and the case where mistake picks cigarette packet is accidentally picked according to caused by due to detection light, guarantee have
The product of Appearance quality defect does not come into the market.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replace and deform, the scope of the utility model is by appended claims and its equivalent limits.
Claims (6)
1. a kind of packing machine vision-based detection automatic light source regulation device, which is characterized in that converted including light-inductive resistance, A/D
Device, controller, D/A converter, LED light battle array and power supply；
The light-inductive resistance is connect with the A/D converter electric signal；The A/D converter and the controller electric signal
Connection；
The controller is connect by I/O interface with the D/A converter electric signal；The D/A converter and the LED light battle array
Electric signal connection；
The power supply is electrically connected with the A/D converter, the controller, the D/A converter and the LED light battle array respectively.
2. packing machine vision-based detection automatic light source regulation device according to claim 1, which is characterized in that further include mode
Selection key, the mode selection button include automatic mode key and manual mode key.
3. packing machine vision-based detection automatic light source regulation device according to claim 2, which is characterized in that described automatic
When mode key, by the light-inductive resistance, the A/D converter, the controller, the D/A converter and the LED
Successively electric signal connects lamp array；
The power supply is electrically connected with the A/D converter, the controller, the D/A converter and the LED light battle array respectively；
In the manual mode key, the controller is connect with the LED light battle array electric signal, the power supply respectively with it is described
Controller and LED light battle array electrical connection.
4. packing machine vision-based detection automatic light source regulation device according to claim 2, which is characterized in that refer to including mode
Show that lamp, the mode indicating lamp include automatic mode indicator light and manual mode indicator light；The automatic mode indicator light with from
Dynamic mode key is corresponding, and the manual mode indicator light is corresponding with the manual mode key.
5. packing machine vision-based detection automatic light source regulation device according to claim 1, which is characterized in that the photaesthesia
Resistance is answered to use the photo resistance of model GL5549.
6. packing machine vision-based detection automatic light source regulation device according to claim 1, which is characterized in that the controller
For 51 single-chip microcontrollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021260.5U CN209606300U (en) | 2019-01-07 | 2019-01-07 | A kind of packing machine vision-based detection automatic light source regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021260.5U CN209606300U (en) | 2019-01-07 | 2019-01-07 | A kind of packing machine vision-based detection automatic light source regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209606300U true CN209606300U (en) | 2019-11-08 |
Family
ID=68399973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920021260.5U Active CN209606300U (en) | 2019-01-07 | 2019-01-07 | A kind of packing machine vision-based detection automatic light source regulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209606300U (en) |
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2019
- 2019-01-07 CN CN201920021260.5U patent/CN209606300U/en active Active
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