CN201313098Y - Fruit sorting computer image acquisition device based on LED and digital camera - Google Patents
Fruit sorting computer image acquisition device based on LED and digital camera Download PDFInfo
- Publication number
- CN201313098Y CN201313098Y CNU2008201676079U CN200820167607U CN201313098Y CN 201313098 Y CN201313098 Y CN 201313098Y CN U2008201676079 U CNU2008201676079 U CN U2008201676079U CN 200820167607 U CN200820167607 U CN 200820167607U CN 201313098 Y CN201313098 Y CN 201313098Y
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- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 43
- 230000003595 spectral effect Effects 0.000 claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 5
- 241001025261 Neoraja caerulea Species 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a fruit sorting computer image acquisition device based on an LED and a digital camera. In the technical proposal, an LED array board with an emitting light source which consists of diodes emitting red, blue, green and infrared light is symmetrically arranged at two sides of a fruit support table; the LED array board is arranged to be inclined with an angle of 45 degrees; a digital camera is vertically arranged above the fruit support table; a computer is connected with the digital camera through a USB interface; and fruit reflection spectral images under different irradiation light sources can be acquired through controlling the digital camera with the computer. The red, blue, green and infrared light emitting diodes (LEDs) are used for sorting fruits, and have the advantages of low cost and stable performance. The microcomputer controls the acquisition of images from the digital camera, so the high-resolution digitized images can be easily acquired. The utility model can match with the fruit sorting line, thereby realizing the coordinated operation of the fruit entry, positioning, light source adjustment and image acquisition.
Description
Technical field
The utility model relates to a kind of computer picture deriving means that is used for the sorting of fruit grade machine vision.
Background technology
The sorting of fruit grade machine is the important step of handling automatically and packing behind the fruit picking.There is the difference of aspects such as size, maturity, nutritional labeling, surface be impaired in fruit after the harvesting on individuality, the artificial judgment operation of adopting at present, not only inefficiency, accurate rate is low but also the labour intensity height, make people's fatigue easily.Utilize computer to carry out visual pattern and handle, can judge size, maturity, nutritional labeling and the surface of the fruit index that influences the fruit grade such as impaired automatically, will greatly improve the automatization level of sorted fruits.One of critical component of fruit ranking score optional equipment is the computer picture deriving means.
Summary of the invention
The purpose of this utility model is to provide a kind of sorted fruits computer picture deriving means based on LED and digital camera.
The scheme that the utility model adopted is as follows:
Two blocks of led array plates being made of transmitting illuminant red-emitting, blue light, green glow and infrared light diode are symmetrically arranged in the fruit support table both sides, and led array plate angle lapping at 45 is tiltedly placed; Digital camera vertically is positioned over place, fruit support table top, and computer is connected with digital camera by USB interface; Can obtain fruit reflection spectrum images under the different radiation sources by the computer control digital camera.
The led array plate of described transmitting illuminant is made up of polylith platelet splicing, every platelet by red, blue, green, infrared light LED respectively 10 vertical homochromy, composition laterally is staggered.
Provide constant drive current by voltage stabilizing chip LM317 after the homochromy LED parallel connection of described polylith platelet, four groups of voltage stabilizing chip LM317 by four toggle switches be parallel to+the 24V power supply on.
Described red-light LED spectral region 630～680nm, green light LED spectral region 540～580nm, the blue-ray LED spectral region is 435～470nm.Infrared light LED spectral region is 840～950nm.
The utility model is compared with background technology, and the beneficial effect that has is:
(1) ruddiness, blue light, green glow and infrared light diode (LED) are used for sorted fruits, low, the stable performance of cost.
(2) the microcomputer controlled digital image of camera is obtained, and obtains high-resolution digitized image easily.
(3) native system can be supporting with the sorted fruits streamline, can realize that fruit enters, the location, light source is regulated and the work compound of Image Acquisition.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model.
Fig. 2 is the layout schematic diagram of led array plate.
Fig. 3 is the control circuit figure of led array plate.
Among the figure: 1, led array plate, 2, the led array plate, 3, fruit, 4, fruit support table, 5, digital camera, 6, computer.
The specific embodiment
As shown in Figure 1, two blocks of led array plates 1,2 of being made of transmitting illuminant red-emitting, blue light, green glow and infrared light diode are symmetrically arranged in the fruit support table both sides, and led array plate 1,2 angle lappings at 45 are tiltedly placed; Digital camera 5 vertically is positioned over 1 meter, fruit support table 4 tops, and computer 6 is connected with digital camera 5 by USB interface; Can obtain fruit reflection spectrum images under the different radiation sources by computer 1 control digital camera 5.
As shown in Figure 2, the led array plate of described transmitting illuminant is made up of the splicing of three platelets, every platelet by red, blue, green, infrared light LED respectively 10 vertical homochromy, composition laterally is staggered.Placement between the LED is apart from 10cm.
As shown in Figure 3, provide constant drive current by voltage stabilizing chip LM317 after the homochromy LED parallel connection of described three platelets, four groups of voltage stabilizing chip LM317 by four toggle switches be parallel to+the 24V power supply on.
Described red-light LED spectral region 630～680nm, green light LED spectral region 540～580nm, the blue-ray LED spectral region is 435～470nm.Infrared light LED spectral region is 840～950nm.
Described digital camera model is Olympus C-500,5,000,000 pixels.
The utility model has different reflection spectrum characteristics with infrared light at fruit surface according to visible light (red, green, blue), and the LED of four kinds of colors is rearranged the led array plate, and fruit support table is placed between two blocks of led array plates.When fruit through streamline when the brace table, microcomputer control led array plate sends ruddiness, blue light, green glow and infrared light respectively, shine the fruit upper surface, after the fruit surface reflection, reverberation enters digital camera, the computer control digital camera is taken fruit reflection spectrum images, is stored in the hard disc of computer file.Computer software can provide the grade separation signal of fruit to be measured by the combinatory analysis to the different colours image.
Claims (4)
1, a kind of sorted fruits computer picture deriving means based on LED and digital camera, it is characterized in that: two blocks of led array plates being made of transmitting illuminant red-emitting, blue light, green glow and infrared light diode are symmetrically arranged in the fruit support table both sides, and led array plate angle lapping at 45 is tiltedly placed; Digital camera vertically is positioned over place, fruit support table top, and computer is connected with digital camera by USB interface; Can obtain fruit reflection spectrum images under the different radiation sources by the computer control digital camera.
2, a kind of sorted fruits computer picture deriving means according to claim 1 based on LED and digital camera, it is characterized in that: the led array plate of described transmitting illuminant is made up of the splicing of polylith platelet, every platelet by red, blue, green, each 10 of infrared light LED are vertical homochromy, composition laterally is staggered.
3, a kind of sorted fruits computer picture deriving means according to claim 2 based on LED and digital camera, it is characterized in that: provide constant drive current by voltage stabilizing chip LM317 after the homochromy LED parallel connection of described polylith platelet, four groups of voltage stabilizing chip LM317 by four toggle switches be parallel to+the 24V power supply on.
4, a kind of sorted fruits computer picture deriving means according to claim 1 based on LED and digital camera, it is characterized in that: described red-light LED spectral region 630～680nm, green light LED spectral region 540～580nm, the blue-ray LED spectral region is 435～470nm, and infrared light LED spectral region is 840～950nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201676079U CN201313098Y (en) | 2008-11-07 | 2008-11-07 | Fruit sorting computer image acquisition device based on LED and digital camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201676079U CN201313098Y (en) | 2008-11-07 | 2008-11-07 | Fruit sorting computer image acquisition device based on LED and digital camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201313098Y true CN201313098Y (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201676079U Expired - Fee Related CN201313098Y (en) | 2008-11-07 | 2008-11-07 | Fruit sorting computer image acquisition device based on LED and digital camera |
Country Status (1)
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| CN (1) | CN201313098Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017475A (en) * | 2012-12-03 | 2013-04-03 | 江苏大学 | Intelligent temperature control refrigerator |
| CN105705939A (en) * | 2013-12-10 | 2016-06-22 | 凯伊技术公司 | Object imaging assembly |
| CN110545596A (en) * | 2019-07-29 | 2019-12-06 | 大族激光科技产业集团股份有限公司 | Point light source control device and control method |
| CN111272210A (en) * | 2020-01-21 | 2020-06-12 | 西安大目智能设备研究所有限公司 | Lighting system based on programmable area array light source module and construction method thereof |
| CN112756268A (en) * | 2021-01-27 | 2021-05-07 | 延边金刚山食品股份有限公司 | Peppery cabbage raw and other materials autofilter device |
-
2008
- 2008-11-07 CN CNU2008201676079U patent/CN201313098Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017475A (en) * | 2012-12-03 | 2013-04-03 | 江苏大学 | Intelligent temperature control refrigerator |
| CN103017475B (en) * | 2012-12-03 | 2015-03-04 | 江苏大学 | Intelligent temperature control refrigerator |
| CN105705939A (en) * | 2013-12-10 | 2016-06-22 | 凯伊技术公司 | Object imaging assembly |
| CN105705939B (en) * | 2013-12-10 | 2018-04-03 | 凯伊技术公司 | Object imaging suite part |
| CN110545596A (en) * | 2019-07-29 | 2019-12-06 | 大族激光科技产业集团股份有限公司 | Point light source control device and control method |
| CN110545596B (en) * | 2019-07-29 | 2022-03-11 | 大族激光科技产业集团股份有限公司 | Point light source control method |
| CN111272210A (en) * | 2020-01-21 | 2020-06-12 | 西安大目智能设备研究所有限公司 | Lighting system based on programmable area array light source module and construction method thereof |
| CN112756268A (en) * | 2021-01-27 | 2021-05-07 | 延边金刚山食品股份有限公司 | Peppery cabbage raw and other materials autofilter device |
| CN112756268B (en) * | 2021-01-27 | 2023-02-21 | 延边金刚山食品股份有限公司 | Peppery cabbage raw and other materials autofilter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20121107 |