CN103716598A - Baking dedicated camera - Google Patents
Baking dedicated camera Download PDFInfo
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- CN103716598A CN103716598A CN201210372357.3A CN201210372357A CN103716598A CN 103716598 A CN103716598 A CN 103716598A CN 201210372357 A CN201210372357 A CN 201210372357A CN 103716598 A CN103716598 A CN 103716598A
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Abstract
The invention discloses a baking dedicated camera. An illuminating light source is arranged in a baking room. A light of the illuminating light source faces a baked object which undergoes image sampling. A lens and a colorful image sensor are arranged near the baked object which undergoes image sampling. The colorful image sensor transmits the image of the sampled baked object to a CPU system. The CPU system transmits the image of the baked object to a remote control system. According to the technical scheme provided by the invention, without a screen and any manual operation button and knob, the camera can work after being connected with a remote host or a computer through a communication mode; the camera statically shoots the picture of the baked object under the control of the remote control system, and transmits the data of the shot picture to the remote host; with a performance index, the camera is suitable for shooting the color and the shape of the baked object in a dark closed state; and the camera has the advantages of color fidelity and excellent performance. In a word, the baking dedicated camera provided by the invention replaces the eyes of baking personnel. The online static shooting of a tobacco picture is realized in a baking process. Image sampling data are provided for a baking host to use a computer vision technology to realize the online detection and identification of the tobacco yellowing degree and drying degree.
Description
Technical field
The present invention relates to a kind of camera, specifically relate to a kind of being applied in baking vessel, baked article is carried out to IMAQ, and can accurately present the special camera of baked article color gradient process.
Background technology
At present in Tobacco Leaf Curing, baking personnel constantly observe change color and the metamorphosis of tobacco leaf by eyes, and then yellowing degree, the degree of drying of tobacco leaf are judged in identification, and on this basis according to the requirement regulation and control barn humiture of method for flue-curing tobacco leaves, iterative method completes method for flue-curing tobacco leaves, and this is artificial flue-cured tobacco pattern.
In order further to reduce tobacco flue-curing cost, to promote baking quality, the machine that just must realize tobacco leaf yellowing degree, degree of drying detects automatically, and realizes tobacco leaf automatic baking truly on this basis.
On market, existing digital camera is all baroque handheld device substantially, be mainly used in the photography of portrait under daylight environment or article, a large amount of functions do not need in native system, and more needed these general cameras of properties of native system can not meet, the more important thing is that these cameras cannot work at all in the environment of baking tobacco leaves.Based on above factor design, invent this baking special camera.
The patent No. is 200820220980.6, denomination of invention is " image collecting device of tobacco leaf states during curing process in bulk curing barn ", although a kind of device that tobacco leaf is carried out to IMAQ is also provided, but this device is only simply camera general on market directly to be moved on barn and applied, because these easy universal camera shootings all adopt automatic exposure and white balance mode as first, for tobacco leaf color by green to the yellow bake process gradually changing, to there is obvious cross-color situation in the tobacco leaf image color that collects, cannot be applied to the correct identification judgement of bake process tobacco leaf color.And these universal camera shooting heads needs shooting distance far away, be inconvenient to apply.
The patent No. is 200710199232.4, denomination of invention is " a kind of industrial intelligent camera ", although also disclose a kind of intelligent camera, this camera is to be applied to carry out the online device detecting of product quality in industrial production line, and it does not need to consider the environment such as light source.Because the main application of this camera is to present product sample form to detect its quality flaw, so it takes performance aspects such as (there is no special design) white balances presenting aspect trickle color gradient with general purpose camera in the market in same technical merit, cannot be applied to equally the correct identification judgement of bake process tobacco leaf color.And, this intelligent camera not only gathers picture, and to the picture collecting, by a series of vision-based detection instruments, carry out image data processing with image processing board, but also external sensor and actuator form more complicated function system, this system is too complicated, aspect heatproof moisture resistance properties, also without special design, also cannot in the hot and humid environment of baking tobacco leaves, work at all.
Summary of the invention
The object of this invention is to provide a kind of digital camera that is exclusively used in tobacco leaf picture collection in bake process.
For achieving the above object, the present invention is by the following technical solutions:
Toast a special-purpose camera, lighting source is set in baking vessel, the light of lighting source is towards the baked article that carries out image sampling; Camera lens and color image sensor are set near the baked article that carries out image sampling, and color image sensor is sent to cpu system by the baked article image of sampling, and cpu system is sent to tele-control system by baked article image.
Tele-control system is sent to cpu system by IMAQ command signal, and cpu system output triggering signal makes color image sensor gather image.
Described tele-control system, according to the baked article image obtaining, in the time of need to adjusting light-source brightness, is sent to cpu system by brightness adjusting signal, and cpu system regulates the brightness of lighting source by light source controller.
The LED lamp group that described lighting source is driven by several constant currents forms, and LED lamp group forms flat light source.
Described camera lens is wide-angle lens.
When each bake process starts, tele-control system carries out parameter initialization by order cpu system, at this moment color image sensor is found best exposure and white balance parameter according to the actual scene of baked article under automatic mode, best exposure and white balance parameter find rear camera will proceed to establishing shot pattern, and color image sensor is by the baked article IMAQ completing under the exposure fixing and white balance parameter in whole bake process.
On the photosurface of color image sensor, be provided with filter.
Adopt the present invention of technique scheme, self do not carry display screen and any manual behaviour's button and knob, after being connected to distance host or computer by communication modes only, can work, under tele-control system is controlled, static state is taken roast picture and the image data photographing is sent to distance host, performance index are adapted to take roast color and form under dark air-tight state, and color fidelity performance is outstanding.In a word, the present invention has replaced baking personnel's eyes, realizes online static shooting of tobacco leaf picture in bake process, for baking main frame adopts computer vision technique to realize tobacco leaf yellowing degree, degree of drying, detects online identification image sampling data are provided.
And the present invention and the patent No. are 200710199232.4 to compare, and have following advantage: 1, taken into full account the environment of Test Field, carried out without distortion the collection of baked article picture in agricultural production process.2, reduce unnecessary function element, be adapted to reliable and stable work under hot and humid environment, realized monitoring in real time.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Fig. 2 is the circuit diagram of cpu system of the present invention, dual port RAM and 485 communication interfaces.
Fig. 3 is the circuit diagram of imageing sensor of the present invention and light source controller.
Fig. 4 is the circuit diagram of power circuit of the present invention and CPU peripheral circuit.
Fig. 5 is flow chart of the present invention.
Embodiment
Baking tobacco leaves take below as example elaboration the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of baking special camera arranges lighting source in baking vessel, the light of lighting source is towards being baked tobacco leaf; Near being baked tobacco leaf, camera lens and color image sensor are set, on the photosurface of color image sensor, are provided with filter, color image sensor mainly consists of chip U4 and peripheral circuit.Color image sensor is first delivered to memory U2 buffer memory by the tobacco flue-curing image of collection, and then be sent to cpu system U1, cpu system U1 processes tobacco flue-curing image, and the tobacco flue-curing image after processing is sent to tele-control system by communication interface.Wherein, cpu system U1 is the maincenter of camera, and the operation of each assembly of coordinated control system completes picture shooting function; Color image sensor, filter and camera lens are image devices, and lighting source provides the light source of appropriate brightness, colour temperature, the image data of data memory serves buffer memory image device output for the shooting process under dark surrounds.Communication interface circuit is the communication channel of camera and distance host, take pictures order and other various command is all by communication interface circuit, to be sent to the CPU of camera, photo after taking is well also to send out by communication interface circuit, and above-mentioned communication interface is RS485 communication interface U5.Necessarily, whole camera is provided with power supply circuits, and power supply circuits provide working power for whole camera arrangement.In described power supply circuits, DC-DC controller U6 is adjusted to 5V by the 12V supply voltage of input, and pressurizer U8, U9, U10 produce respectively the system works power supply of 3.3V, 2.8V, 1.8V then.
Because this special camera uses for the online shooting of Tobacco Leaf Curing, when its work, be not allow baking personnel to enter in barn direct control camera closely, so this camera can only use by the mode remote operation of communication, so this camera designs has communication interface, and does not carry the essential manual manipulation button of general camera and display screen.This camera all are controlled to order need be assigned by communication modes, that is: tele-control system is sent to cpu system by IMAQ order, cpu system output triggering signal makes color image sensor gather image, and the photo after last camera is taken is also observe and use after spreading out of by communication modes.
Because this camera is worked in cigarette-filling house, in order to collect the more long-pending tobacco leaf sample of multiaspect within the scope of less shooting distance, the camera lens of this camera generally adopts wide-angle lens.Simultaneously for clear, closely take large-area tobacco leaf sample, the light-source system of this camera is a flat light source consisting of a plurality of solid state LED lamp groups, stable to reduce, on taking the impact of cross-color, adopting constant current to drive to the driving of LED lamp group in order to guarantee light-source brightness.Simultaneously, for realizing according to different situations, adjust illumination brightness, the tele-control system in the present invention is according to the tobacco flue-curing image obtaining, in the time of need to adjusting light-source brightness, brightness adjusting signal is sent to cpu system, and cpu system regulates the brightness of lighting source by light source controller.As shown in Figure 2, light source controller mainly drives chip U7 and U11 to form by LED.
The course of work of the present invention is: the tele-control system order of taking pictures is sent to after cpu system by communication interface circuit, cpu system will be opened lighting source and start color image sensor and take pictures, color image sensor outputs to picture data after data storage, CPU closes lighting source, then the image data in data storage is read out and by communication interface circuit, image data is sent to external host.In this process, because this camera is arranged in cigarette-filling house, to in whole bake process, the selected tobacco leaf sample of user regularly be gathered to picture online, an important use of the picture that gathers is for the identification basis for estimation as tobacco leaf yellowing degree, so this camera is to use as a continuous color sensor to a greater extent.This just requires the picture that this camera gathers to want the true colors that presents tobacco leaf in bake process true to nature, also require the parameters such as white balance, exposure of color sensor in all shooting process of same roasting time to be consistent, to can truly reflect the slight change of tobacco leaf color between each sampling simultaneously.In order to reach this purpose, the white balance of this baking special camera and exposure pattern adopt the pattern of " automatic+fixing ", when each bake process starts, tele-control system carries out parameter initialization by order cpu system, at this moment color image sensor will be found best exposure and white balance parameter according to the actual scene of baked article under automatic mode, best exposure and white balance parameter find rear camera will proceed to establishing shot pattern, and color image sensor is by the every hypo-tobacco leaf picture collection completing under the exposure fixing and white balance parameter in whole bake process.Like this, photo by under fixing acquisition parameters true to nature present bake process in the change procedure of tobacco leaf color.
Because this camera is worked under high humidity environment, and there is more electronic component its inside, so the shell of this camera and connector interface have all carried out the anti-wet process of strict sealing.The anti-wet process of above-mentioned sealing refers to: at shell each several part seam crossing packing matcrial, gasket seal is installed in each connector junction of housing.
This camera can also be applied in the oven dry production of the agricultural byproducts such as date, mushroom, capsicum, banana, rose, honeysuckle, grape, auricularia auriculajudae, white fungus, garlic, lily, laver, marine product, medicinal material, to improving the quality of products, there is very high popularizing application prospect.
Claims (7)
1. the special-purpose camera of baking, is characterized in that: lighting source is set in baking vessel, and the light of lighting source is towards the baked article that carries out image sampling; Camera lens and color image sensor are set near the baked article that carries out image sampling, and color image sensor is sent to cpu system by the baked article image of sampling, and cpu system is sent to tele-control system by baked article image.
2. the special-purpose camera of baking according to claim 1, is characterized in that: tele-control system is sent to cpu system by IMAQ command signal, and cpu system output triggering signal makes color image sensor gather image.
3. the special-purpose camera of baking according to claim 2, it is characterized in that: described tele-control system is according to the baked article image obtaining, in the time of need to adjusting light-source brightness, brightness adjusting signal is sent to cpu system, cpu system regulates the brightness of lighting source by light source controller.
4. according to the special-purpose camera of the baking described in claim 1 or 3, it is characterized in that: the LED lamp group that described lighting source is driven by several constant currents forms, LED lamp group forms flat light source.
5. the special-purpose camera of baking according to claim 1, is characterized in that: described camera lens is wide-angle lens.
6. the special-purpose camera of baking according to claim 5, it is characterized in that: when each bake process starts, tele-control system carries out parameter initialization by order cpu system, at this moment color image sensor is found best exposure and white balance parameter according to the actual scene of baked article under automatic mode, best exposure and white balance parameter find rear camera will proceed to establishing shot pattern, and color image sensor is by the baked article IMAQ completing under the exposure fixing and white balance parameter in whole bake process.
7. the special-purpose camera of baking according to claim 6, is characterized in that: on the photosurface of color image sensor, be provided with filter.
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| CN201210372357.3A CN103716598A (en) | 2012-09-29 | 2012-09-29 | Baking dedicated camera |
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| CN201210372357.3A CN103716598A (en) | 2012-09-29 | 2012-09-29 | Baking dedicated camera |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105955376A (en) * | 2016-07-20 | 2016-09-21 | 成都同创恒合节能科技有限公司 | Curing barn temperature and humidity control system |
| CN106054776A (en) * | 2016-07-20 | 2016-10-26 | 成都同创恒合节能科技有限公司 | Tobacco baking environment parameter control system |
| CN106036979A (en) * | 2016-07-20 | 2016-10-26 | 成都同创恒合节能科技有限公司 | Temperature and humidity control method in tobacco flue curing process |
| CN106036980A (en) * | 2016-07-20 | 2016-10-26 | 成都同创恒合节能科技有限公司 | High-precision drying controller for tobacco |
| CN106094687A (en) * | 2016-07-20 | 2016-11-09 | 成都同创恒合节能科技有限公司 | barn air parameter monitoring method |
| CN106125646A (en) * | 2016-07-20 | 2016-11-16 | 成都同创恒合节能科技有限公司 | A kind of data collecting system of flue-cured tobacco controller |
| CN109272469A (en) * | 2018-09-29 | 2019-01-25 | 佛山市云米电器科技有限公司 | A kind of acquisition method and its device of kitchen range oil smoke image |
| CN109275948A (en) * | 2018-09-21 | 2019-01-29 | 浙江中烟工业有限责任公司 | A kind of cigarette machine pipe tobacco distribution detecting device and combined adjusting |
| US10649581B1 (en) | 2011-08-05 | 2020-05-12 | P4tents1, LLC | Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback |
| CN114857905A (en) * | 2022-04-27 | 2022-08-05 | 苏州天成涂装系统股份有限公司 | Continuous material drying device and drying method thereof |
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| US10649581B1 (en) | 2011-08-05 | 2020-05-12 | P4tents1, LLC | Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback |
| US11740727B1 (en) | 2011-08-05 | 2023-08-29 | P4Tents1 Llc | Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback |
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| US10656759B1 (en) | 2011-08-05 | 2020-05-19 | P4tents1, LLC | Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback |
| US10649580B1 (en) | 2011-08-05 | 2020-05-12 | P4tents1, LLC | Devices, methods, and graphical use interfaces for manipulating user interface objects with visual and/or haptic feedback |
| CN106094687A (en) * | 2016-07-20 | 2016-11-09 | 成都同创恒合节能科技有限公司 | barn air parameter monitoring method |
| CN106036979B (en) * | 2016-07-20 | 2017-07-28 | 成都同创恒合节能科技有限公司 | Temperature/humidity control method in tobacco workmanship |
| CN106125646A (en) * | 2016-07-20 | 2016-11-16 | 成都同创恒合节能科技有限公司 | A kind of data collecting system of flue-cured tobacco controller |
| CN105955376A (en) * | 2016-07-20 | 2016-09-21 | 成都同创恒合节能科技有限公司 | Curing barn temperature and humidity control system |
| CN106036980A (en) * | 2016-07-20 | 2016-10-26 | 成都同创恒合节能科技有限公司 | High-precision drying controller for tobacco |
| CN106036979A (en) * | 2016-07-20 | 2016-10-26 | 成都同创恒合节能科技有限公司 | Temperature and humidity control method in tobacco flue curing process |
| CN106054776A (en) * | 2016-07-20 | 2016-10-26 | 成都同创恒合节能科技有限公司 | Tobacco baking environment parameter control system |
| CN109275948A (en) * | 2018-09-21 | 2019-01-29 | 浙江中烟工业有限责任公司 | A kind of cigarette machine pipe tobacco distribution detecting device and combined adjusting |
| CN109275948B (en) * | 2018-09-21 | 2022-03-25 | 浙江中烟工业有限责任公司 | Cut tobacco distribution detection device of cigarette making machine and combined adjustment method |
| CN109272469A (en) * | 2018-09-29 | 2019-01-25 | 佛山市云米电器科技有限公司 | A kind of acquisition method and its device of kitchen range oil smoke image |
| CN114857905A (en) * | 2022-04-27 | 2022-08-05 | 苏州天成涂装系统股份有限公司 | Continuous material drying device and drying method thereof |
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Application publication date: 20140409 |