CN103003687A - Illumination device and illumination method for external quality inspection apparatus for agricultural produce - Google Patents
Illumination device and illumination method for external quality inspection apparatus for agricultural produce Download PDFInfo
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- CN103003687A CN103003687A CN2011800354462A CN201180035446A CN103003687A CN 103003687 A CN103003687 A CN 103003687A CN 2011800354462 A CN2011800354462 A CN 2011800354462A CN 201180035446 A CN201180035446 A CN 201180035446A CN 103003687 A CN103003687 A CN 103003687A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/025—Fruits or vegetables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/845—Objects on a conveyor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8466—Investigation of vegetal material, e.g. leaves, plants, fruits
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Abstract
This illumination device (100) is used in an external quality inspection apparatus for agricultural produce, the apparatus emitting light onto each item of agricultural produce (14) transported in one direction, and inspecting the external quality of the agricultural produce on the basis of light reflected from the agricultural produce. This illumination device (100) comprises an upper illumination unit (110) for emitting light onto the agricultural produce from above the agricultural produce (14), four lateral illumination units (121-124) for emitting light onto the agricultural produce from the side of the agricultural produce, and a control device for controlling the amount of light emitted from the upper illumination unit and the lateral illumination units. The control device (130) controls the emission time of the lateral illumination units (121-124) such that the illuminance at a first point falls within a range +-10% of the illuminance at a second point. At the first point, light emitted from the lateral illumination units (121-124) has a maximum effect on the agricultural produce (14). At the second point, light emitted from the upper illumination unit (110) has a maximum effect on the agricultural produce (14).
Description
Technical field
The present invention relates to employed lighting device and the means of illumination that light shines agricultural product in the device of the external sort that checks fruit and other agricultural product.
Background technology
As an example of the device of the external sort that checks agricultural product, recorded and narrated among TOHKEMY 2003-14650 communique.
Figure 20 is the skeleton diagram of the testing fixture described in the same communique.
Testing fixture 10 described in Figure 20 is made of following each several part: conveyor 12, transport continuously as tested agricultural product of having a medical check-up (for example shaddock or oranges and tangerines) 14; Photoelectric sensor 16, whenever agricultural product 14 by the time detect agricultural product 14, send detection signal; 5 ccd video cameras 18 are made a video recording to agricultural product 14 from 5 directions; Light irradiation element 20 with each ccd video camera 18 adjacency configuration, light shines on the agricultural product 14 that conveyor 12 passes through; And control device 22, according to the detection signal from photoelectric sensor 16, make the electronic shutter work of each ccd video camera 18.
1 among 5 ccd video cameras 18 is configured to make a video recording from the top to transporting the agricultural product 14 that come, and other 4 intervals of mutually vacating 90 degree are configured to make a video recording from the side to transporting the agricultural product 14 that come in a surface level.
Testing fixture 10 is worked as follows.
Then, the rest image of the agricultural product 14 that control device 22 will so obtain carries out image to be processed, and according to result, judges the external sort of each agricultural product 14.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2003-14650 communique.
Summary of the invention
In the situation that agricultural product 14 are made a video recording, because agricultural product more than 14 are spherical in shape, so if only from the top irradiation light of agricultural product 14, then the gabarit of agricultural product 14 is dimmed, it is not distinct that the gabarit in the image of agricultural product 14 becomes.In order to eliminate such problem, testing fixture 10 also light shines on the agricultural product 14 from the side not only from the top.
Yet, from above shine light amount ratio on the agricultural product 14 and shine from the side in the many situations of light quantity on the agricultural product 14, perhaps, in contrast, shine from the side on the agricultural product 14 light amount ratio from above shine in the many situations of light quantity on the agricultural product 14, because it is poor to produce illumination between the middle body of agricultural product 14 and contour part divide, the distinctness so the image of agricultural product 14 not necessarily becomes.
Like this, even above agricultural product 14 and the side all shining in the situation of light, if from above shine the light quantity on the agricultural product 14 and shine from the side between the light quantity on the agricultural product 14 and do not regulate, then can't obtain the harsh image of agricultural product 14.
The present invention makes in view of the problem in this existing testing fixture 10, a kind of lighting device and means of illumination are provided, wherein, above agricultural product 14 and light is all shone in the side and situation that agricultural product 14 are made a video recording under, control shines the light quantity on the agricultural product 14 and shines light quantity on the agricultural product 14 from the side from the top, can obtain the harsh image of agricultural product 14.
In order to achieve the above object, the invention provides a kind of lighting device, it uses in the external sort testing fixture of agricultural product and light shines on the above-mentioned agricultural product, wherein, the external sort testing fixture of above-mentioned agricultural product light shines on each agricultural product that a direction is transported, and check the external sort of above-mentioned agricultural product based on the reflected light from above-mentioned agricultural product, above-mentioned lighting device comprises: the top lighting unit light shines on the above-mentioned agricultural product from the top of above-mentioned agricultural product; At least 4 side lighting units light shine on the above-mentioned agricultural product from the side of above-mentioned agricultural product; And control device, control is from the light quantity of above-mentioned top illumination unit with from the light quantity of above-mentioned side illumination unit, above-mentioned control device is controlled the irradiation time of above-mentioned side lighting unit so that above-mentioned agricultural product be subject to from first illumination of the strong effect of the light of above-mentioned side illumination unit drop on above-mentioned agricultural product be subject to from the illumination of the second point of the strong effect of the light of above-mentioned top illumination unit ± 10% scope in.
Preferably, above-mentioned control device is controlled the irradiation time of above-mentioned side lighting unit, equates so that above-mentioned first illumination of locating becomes with the illumination at above-mentioned second point place.
Preferably, in lighting device of the present invention, above-mentioned control device is controlled from the total amount of the light quantity of above-mentioned side illumination unit by controlling the number that carries out the side lighting unit of work among the lighting unit of above-mentioned side.
Preferably, in lighting device of the present invention, at least the either party of above-mentioned top lighting unit and above-mentioned side lighting unit possesses circular infrared rays receiver and the ring illumination utensil of accepting the light that reflects from above-mentioned agricultural product, and above-mentioned ligthing paraphernalia is concentric arrangement with above-mentioned infrared rays receiver around above-mentioned infrared rays receiver.
For example, the external diameter of above-mentioned infrared rays receiver can be set as with the internal diameter of above-mentioned ligthing paraphernalia and equate.
Preferably, in lighting device of the present invention, above-mentioned control device is controlled above-mentioned side lighting unit, so that the irradiation time of above-mentioned side lighting unit is in 3.6 to 6.1 milliseconds scope.
The present invention also provides a kind of means of illumination, its be light shine on each agricultural product that a direction is transported and check based on the reflected light from above-mentioned agricultural product in the method for external sort of above-mentioned agricultural product, light shine the means of illumination on the above-mentioned agricultural product, possess the first process, light shine on the above-mentioned agricultural product from the top of above-mentioned agricultural product; And second process, light shine on the above-mentioned agricultural product from least 4 sides of above-mentioned agricultural product, in above-mentioned the second process, control light shines the time on the above-mentioned agricultural product from the side of above-mentioned agricultural product so that above-mentioned agricultural product be subject to from first illumination of the strong effect of the light of side irradiation drop on above-mentioned agricultural product be subject to from the illumination of the second point of the strong effect of the light of top irradiation ± 10% scope in.
Preferably, in means of illumination of the present invention, in above-mentioned the second process, control light shines the time on the above-mentioned agricultural product from the side of above-mentioned agricultural product, equate so that above-mentioned first illumination of locating becomes with the illumination at above-mentioned second point place.
Preferably, in means of illumination of the present invention, in above-mentioned the second process, so that the time on the above-mentioned agricultural product of light shining from the side of above-mentioned agricultural product is in 3.6 to 6.1 milliseconds scope.
The present invention also provides a kind of external sort testing fixture of agricultural product, and it comprises: transport parts, transport continuously the agricultural product of having a medical check-up as tested; Pick-up unit, whenever above-mentioned agricultural product by the time detect above-mentioned agricultural product, send detection signal; Shooting part is made a video recording to above-mentioned agricultural product from top and side; Above-mentioned lighting device; And control assembly, according to above-mentioned detection signal, make above-mentioned shooting part work.
Preferably, in the external sort testing fixture of agricultural product of the present invention, at least the either party of above-mentioned top lighting unit and above-mentioned side lighting unit possesses circular infrared rays receiver and the ring illumination utensil of accepting the light that reflects from above-mentioned agricultural product, and above-mentioned ligthing paraphernalia is concentric arrangement with above-mentioned infrared rays receiver around above-mentioned infrared rays receiver.
Preferably, in means of illumination of the present invention, the external diameter of above-mentioned infrared rays receiver is set to the internal diameter of above-mentioned ligthing paraphernalia and equates.
Preferably, in means of illumination of the present invention, above-mentioned control device is controlled above-mentioned side lighting unit, so that the irradiation time of above-mentioned side lighting unit is in 3.6 to 6.1 milliseconds scope.
The present invention also provides a kind of program, be used for making computing machine to carry out means of illumination, this means of illumination be light shine on each agricultural product that a direction is transported and check based on the reflected light from above-mentioned agricultural product in the method for external sort of above-mentioned agricultural product, light shine the method on the above-mentioned agricultural product, said procedure possesses: first processes, and light shines on the above-mentioned agricultural product from the top of above-mentioned agricultural product; And second process, light shine on the above-mentioned agricultural product from least 4 sides of above-mentioned agricultural product, in above-mentioned second processes, control light shines the time on the above-mentioned agricultural product from the side of above-mentioned agricultural product so that above-mentioned agricultural product be subject to from first illumination of the strong effect of the light of side irradiation drop on above-mentioned agricultural product be subject to from the illumination of the second point of the strong effect of the light of top irradiation ± 10% scope in.
Preferably, in program of the present invention, in above-mentioned second processed, control light shone the time on the above-mentioned agricultural product from the side of above-mentioned agricultural product, equate so that above-mentioned first illumination of locating becomes with the illumination at above-mentioned second point place.
Preferably, in program of the present invention, in above-mentioned second processes, so that the time on the above-mentioned agricultural product of light shining from the side of above-mentioned agricultural product is in 3.6 to 6.1 milliseconds scope.
The effect of invention
In lighting device of the present invention, the irradiation time of control device control side lighting unit so that agricultural product be subject to from first illumination of the strong effect of the light of side illumination unit drop on agricultural product be subject to from the illumination of the second point of the strong effect of the light of top illumination unit ± 10% scope in.That is the work of control device control side lighting unit is so that the irradiation time of the light that the side lighting unit sends is best irradiation time.Central portion (periphery of second point) and the gabarit (first periphery) that can obtain agricultural product thus, have been carried out best distinct image of making a video recording.
Description of drawings
Fig. 1 is the skeleton diagram of the lighting device of first embodiment of the invention.
Fig. 2 is the block diagram of control device of an inscape of conduct of the lighting device of first embodiment of the invention.
Fig. 3 is the image that agricultural product has been carried out shooting from the top, and A point and B point are shown.
Fig. 4 be will from above the light quantity setting of lighting unit be 100, will be in 40 the situation from each light quantity setting of side lighting unit, as each millisecond of the 0-15 millisecond of working time of side lighting unit from above agricultural product have been carried out shooting 16 images.
Fig. 5 is with the curve map behind the numerical value pictorialization shown in the table 1.
Fig. 6 be will from above the light quantity setting of lighting unit be 100, will be in 50 the situation from each light quantity setting of side lighting unit, as each millisecond of the 0-15 millisecond of working time of side lighting unit from above agricultural product have been carried out shooting 16 images.
Fig. 7 is with the curve map behind the numerical value pictorialization shown in the table 3.
Fig. 8 be will from above the light quantity setting of lighting unit be 100, will be in 60 the situation from each light quantity setting of side lighting unit, as each millisecond of the 0-15 millisecond of working time of side lighting unit from above agricultural product have been carried out shooting 16 images.
Fig. 9 is with the curve map behind the numerical value pictorialization shown in the table 5.
Figure 10 be will from above the light quantity setting of lighting unit be 100, will be in 70 the situation from each light quantity setting of side lighting unit, as each millisecond of the 0-15 millisecond of working time of side lighting unit from above agricultural product have been carried out shooting 16 images.
Figure 11 is with the curve map behind the numerical value pictorialization shown in the table 7.
Figure 12 be will from above the light quantity setting of lighting unit be 100, will be in 80 the situation from each light quantity setting of side lighting unit, as each millisecond of the 0-15 millisecond of working time of side lighting unit from above agricultural product have been carried out shooting 16 images.
Figure 13 is with the curve map behind the numerical value pictorialization shown in the table 9.
Figure 14 be will from above the light quantity setting of lighting unit be 100, will be in 90 the situation from each light quantity setting of side lighting unit, as each millisecond of the 0-15 millisecond of working time of side lighting unit from above agricultural product have been carried out shooting 16 images.
Figure 15 is with the curve map behind the numerical value pictorialization shown in the table 11.
Figure 16 be will from above the light quantity setting of lighting unit be 100, will be in 100 the situation from each light quantity setting of side lighting unit, as each millisecond of the 0-15 millisecond of working time of side lighting unit from above agricultural product have been carried out shooting 16 images.
Figure 17 is with the curve map behind the numerical value pictorialization shown in the table 13.
Figure 18 is the skeleton diagram of the lighting device of second embodiment of the invention.
Figure 19 is the sequential chart that one of the job control example of side lighting unit is shown.
Figure 20 is the skeleton diagram of existing testing fixture that checks the external sort of agricultural product.
Embodiment
(the first embodiment)
Fig. 1 is the skeleton diagram of the lighting device 100 of first embodiment of the invention.
As shown in Figure 1, agricultural product 14 are transported at belt conveyor 12 continuously along a direction.
The lighting device 100 of present embodiment is made of following part: top lighting unit 110 light shines on the agricultural product 14 from the top of agricultural product 14; 4 side lighting units 121,122,123,124 light shine on the agricultural product 14 from the side of agricultural product 14; And control device 130, control shines the light quantity on the agricultural product 14 and shines light quantity on the agricultural product 14 from side lighting unit 121,122,123,124 from top lighting unit 110.
The lighting device 100 of present embodiment consists of the part of the testing fixture 10A of the external sort that checks agricultural product 14, testing fixture 10A is made of following each several part: conveyor 12, transport continuously as tested agricultural product of having a medical check-up (for example shaddock or oranges and tangerines) 14; Photoelectric sensor 16, whenever agricultural product 14 by the time detect agricultural product 14, send detection signal; 5 ccd video cameras 18 are made a video recording to agricultural product 14 from 5 directions; The lighting device 100 of present embodiment; And control device 22, according to the detection signal from photoelectric sensor 16, make the electronic shutter work of each ccd video camera 18.
1 top that is configured in agricultural product 14 among 5 ccd video cameras 18, in order to make a video recording from the top to transporting the agricultural product 14 that come, other 4 sides at agricultural product 14 are mutually vacated 90 intervals of spending and are configured in the surface level, in order to make a video recording from the side to transporting the agricultural product 14 that come.4 ccd video cameras 18 for example are configured in the surface level of roughly half height that is in agricultural product 14.
Per 1 adjacency configuration of top lighting unit 110 and 4 side lighting units 121,122,123,124 and 5 ccd video cameras 18 light shines on the agricultural product 14 that conveyor 12 passes through from top and side respectively.
Particularly, in the lighting device 100 of present embodiment, control device 130 is controlled, so that the work zero hour of top lighting unit 110 and 4 side lighting units 121,122,123,124 work zero hour is synchronization, and then, control side lighting unit 121,122,123,124 the end-of-job moment is so that agricultural product 14 are subject to from side lighting unit 121,122,123, first illumination of locating of the strong effect of the light of 124 irradiations drop on agricultural product 14 be subject to from the illumination of the second point of the strong effect of the light of top lighting unit 110 irradiations ± 10% scope in.
That is, control device 130 is controlled, and top lighting unit 110 is worked all the time, and makes side lighting unit 121,122,123,124 irradiation time (working time) shorter than the irradiation time of top lighting unit 110.
Fig. 2 is the block diagram of control device 130.
The formations such as the storage mediums such as semiconductor storage, floppy disk, hard disk or photomagneto disk such as first memory 132 and second memory 133 each free ROM (read-only memory) (ROM), random-access memory (ram) or IC storage card.For example, first memory 132 is made of ROM, and second memory 133 is made of RAM.
Below, the top lighting unit 110 of control device 130 and side lighting unit 121,122,123,124 fader control are described.
The inventor has carried out following experiment in order to determine top lighting unit 110 and side lighting unit 121,122,123,124 best fader control.
Fig. 3 is the image that agricultural product 14 has been carried out shooting from the top.
As shown in Figure 3, agricultural product 14 are subject to being decided to be the A point from the point of the strong effect of the light of side lighting unit 121,122,123,124 irradiations, agricultural product 14 are subject to being decided to be the B point from the point of the strong effect of the light of top lighting unit 110 irradiations.
For example, as the A point, for the whole height of agricultural product 14, the selected point that is positioned at half height of counting from the bottom, as the B point, the summit of selected agricultural product 14.
In the state that lighting unit 110 is worked all the time above making (namely, in the state that always just light shines from it on the agricultural product 14), make side lighting unit 121,122,123,124 irradiation time between 0 millisecond (msec) to 15 milliseconds (msec), change the illumination that the A point of having measured at each millisecond and B are ordered every 1 millisecond.
This mensuration make with respect to from the light quantity of the light of top lighting unit 100 irradiation, change and carry out by 7 kinds (experiment 1-7) from the light quantity of the light of side lighting unit 121,122,123,124 irradiations.
(experiment 1)
Fig. 4 be will from above the light quantity setting of lighting unit 110 be 100, to be in 40 the situation from side lighting unit 121,122,123, each light quantity setting of 124, as each millisecond of the 0-15 millisecond of side lighting unit 121,122,123, working time of 124 from above agricultural product 14 have been carried out shooting 16 images.
As shown in table 1 at the A point of each millisecond of 0-15 millisecond and illumination that B is ordered.
[table 1]
| Irradiation time [msec] | The A point | The |
| 0 | 83 | 113 |
| 1 | 90 | 113 |
| 2 | 95 | 116 |
| 3 | 103 | 117 |
| 4 | 110 | 119 |
| 5 | 116 | 119 |
| 6 | 124 | 121 |
| 7 | 129 | 124 |
| 8 | 136 | 126 |
| 9 | 142 | 128 |
| 10 | 148 | 128 |
| 11 | 152 | 130 |
| 12 | 150 | 129 |
| 13 | 150 | 129 |
| 14 | 151 | 129 |
| 15 | 151 | 128 |
Fig. 5 is with the curve map behind the numerical value pictorialization shown in the table 1.
As shown in Figure 5, when irradiation time was 5.57 milliseconds, the illumination at A point place became with the illumination at B point place and equates.
Thereby, control device 130 is by the work of control side lighting unit 121,122,123,124, so that the irradiation time of side lighting unit 121,122,123,124 light is 5.57 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out best distinct shooting.
In addition, according to inventor's opinion, if the illumination at A point place the illumination at B point place ± 10% scope in, then can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
The illumination at A point place the illumination at B point place ± be that the irradiation time of side lighting unit 121,122,123,124 light is 3.5 to 8.6 milliseconds scope in 10% the scope.
Details is as shown in table 2.
[table 2]
| msec | A | B | 0.9B-1.1B |
| 3.4 | 105.8 | 117.8 | 106.02-129.58 |
| 3.5 | 106.5 | 118.0 | 106.20-129.80 |
| 3.6 | 107.2 | 118.2 | 106.38-130.02 |
| ? | ? | ? | ? |
| 8.5 | 139.0 | 127.0 | 114.30-139.70 |
| 8.6 | 139.6 | 127.2 | 114.48-139.92 |
| 8.7 | 140.2 | 127.4 | 114.66-140.14 |
As mentioned above, will from above the light quantity setting of lighting unit 110 be 100, will be in 40 the situation from side lighting unit 121,122,123, each light quantity setting of 124, the irradiation time of the light by setting side lighting unit 121,122,123,124 is 3.5 to 8.6 milliseconds scope, particularly equal 5.57 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
(experiment 2)
Fig. 6 be will from above the light quantity setting of lighting unit 110 be 100, will be in 50 the situation from side lighting unit 121,122,123, each light quantity setting of 124, as each millisecond of the 0-15 millisecond of side lighting unit 121,122,123, working time of 124 from above agricultural product 14 have been carried out shooting 16 images.
As shown in table 3 at the A point of each millisecond of 0-15 millisecond and illumination that B is ordered.
[table 3]
| Irradiation time [msec] | The A point | The |
| 0 | 83 | 111 |
| 1 | 89 | 114 |
| 2 | 97 | 115 |
| 3 | 105 | 119 |
| 4 | 110 | 120 |
| 5 | 119 | 121 |
| 6 | 126 | 124 |
| 7 | 134 | 125 |
| 8 | 140 | 127 |
| 9 | 147 | 129 |
| 10 | 155 | 131 |
| 11 | 156 | 131 |
| 12 | 157 | 132 |
| 13 | 156 | 132 |
| 14 | 157 | 133 |
| 15 | 156 | 131 |
Fig. 7 is with the curve map behind the numerical value pictorialization shown in the table 3.
As shown in Figure 7, when irradiation time was 5.59 milliseconds, the illumination at A point place became with the illumination at B point place and equates.
Thereby, control device 130 is by the work of control side lighting unit 121,122,123,124, so that the irradiation time of side lighting unit 121,122,123,124 light is 5.59 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out best distinct shooting.
In addition, the illumination at A point place the illumination at B point place ± be that the irradiation time of side lighting unit 121,122,123,124 light is 3.6 to 7.9 milliseconds scope in 10% the scope.
Details is as shown in table 4.
[table 4]
| msec | A | B | 0.9B-1.1B |
| 3.5 | 107.5 | 119.5 | 107.55-131.45 |
| 3.6 | 108.0 | 119.6 | 107.64-131.56 |
| 3.7 | 108.5 | 119.7 | 107.73-131.67 |
| ? | ? | ? | ? |
| 7.8 | 138.8 | 126.6 | 113.94-139.26 |
| 7.9 | 139.4 | 126.7 | 114.12-139.48 |
| 8.0 | 140.0 | 127.0 | 114.30-139.70 |
As mentioned above, will from above the light quantity setting of lighting unit 110 be 100, will be in 50 the situation from side lighting unit 121,122,123, each light quantity setting of 124, the irradiation time of the light by setting side lighting unit 121,122,123,124 is 3.6 to 7.9 milliseconds scope, particularly equal 5.59 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
(experiment 3)
Fig. 8 be will from above the light quantity setting of lighting unit 110 be 100, will be in 60 the situation from side lighting unit 121,122,123, each light quantity setting of 124, as each millisecond of the 0-15 millisecond of side lighting unit 121,122,123, working time of 124 from above agricultural product 14 have been carried out shooting 16 images.
As shown in table 5 at the A point of each millisecond of 0-15 millisecond and illumination that B is ordered.
[table 5]
| Irradiation time [msec] | The A point | The |
| 0 | 84 | 112 |
| 1 | 90 | 113 |
| 2 | 98 | 116 |
| 3 | 106 | 119 |
| 4 | 114 | 119 |
| 5 | 122 | 123 |
| 6 | 129 | 124 |
| 7 | 138 | 127 |
| 8 | 143 | 127 |
| 9 | 153 | 130 |
| 10 | 162 | 131 |
| 11 | 163 | 131 |
| 12 | 163 | 132 |
| 13 | 163 | 131 |
| 14 | 164 | 132 |
| 15 | 163 | 132 |
Fig. 9 is with the curve map behind the numerical value pictorialization shown in the table 5.
As shown in Figure 9, when irradiation time was 5.20 milliseconds, the illumination at A point place became with the illumination at B point place and equates.
Thereby, control device 130 is by the work of control side lighting unit 121,122,123,124, so that the irradiation time of side lighting unit 121,122,123,124 light is 5.20 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out best distinct shooting.
In addition, the illumination at A point place the illumination at B point place ± be that the irradiation time of side lighting unit 121,122,123,124 light is 3.2 to 7.3 milliseconds scope in 10% the scope.
Details is as shown in table 6.
[table 6]
| msec | A | B | 0.9B-1.1B |
| 3.1 | 106.8 | 119.0 | 107.10-130.90 |
| 3.2 | 107.6 | 119.0 | 107.10-130.90 |
| 3.3 | 108.4 | 119.0 | 107.10-130.90 |
| ? | ? | ? | ? |
| 7.2 | 139.0 | 127.0 | 114.30-139.70 |
| 7.3 | 139.5 | 127.0 | 114.30-139.70 |
| 7.4 | 140.0 | 127.0 | 114.30-139.70 |
As mentioned above, will from above the light quantity setting of lighting unit 110 be 100, will be in 60 the situation from side lighting unit 121,122,123, each light quantity setting of 124, the irradiation time of the light by setting side lighting unit 121,122,123,124 is 3.2 to 7.3 milliseconds scope, particularly equal 5.20 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
(experiment 4)
Figure 10 be will from above the light quantity setting of lighting unit 110 be 100, will be in 70 the situation from side lighting unit 121,122,123, each light quantity setting of 124, as each millisecond of the 0-15 millisecond of side lighting unit 121,122,123, working time of 124 from above agricultural product 14 have been carried out shooting 16 images.
As shown in table 7 at the A point of each millisecond of 0-15 millisecond and illumination that B is ordered.
[table 7]
| Irradiation time [msec] | The A point | The |
| 0 | 84 | 113 |
| 1 | 91 | 114 |
| 2 | 98 | 115 |
| 3 | 106 | 116 |
| 4 | 114 | 118 |
| 5 | 123 | 120 |
| 6 | 130 | 121 |
| 7 | 139 | 123 |
| 8 | 147 | 125 |
| 9 | 154 | 126 |
| 10 | 161 | 128 |
| 11 | 165 | 129 |
| 12 | 164 | 128 |
| 13 | 165 | 129 |
| 14 | 165 | 129 |
| 15 | 164 | 128 |
Figure 11 is with the curve map behind the numerical value pictorialization shown in the table 7.
As shown in figure 11, when irradiation time was 4.65 milliseconds, the illumination at A point place became with the illumination at B point place and equates.
Thereby, control device 130 is by the work of control side lighting unit 121,122,123,124, so that the irradiation time of side lighting unit 121,122,123,124 light is 4.65 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out best distinct shooting.
In addition, the illumination at A point place the illumination at B point place ± be that the irradiation time of side lighting unit 121,122,123,124 light is 2.8 to 6.4 milliseconds scope in 10% the scope.
Details is as shown in table 8.
[table 8]
| msec | A | B | 0.9B-1.1B |
| 2.7 | 103.6 | 115.7 | 104.13-127.27 |
| 2.8 | 104.4 | 115.8 | 104.22-127.38 |
| 2.9 | 105.2 | 115.9 | 104.31-127.49 |
| ? | ? | ? | ? |
| 6.3 | 132.7 | 121.6 | 109.44-133.76 |
| 6.4 | 133.6 | 121.8 | 109.62-133.98 |
| 6.5 | 134.5 | 122.0 | 109.80-134.20 |
As mentioned above, will from above the light quantity setting of lighting unit 110 be 100, will be in 70 the situation from side lighting unit 121,122,123, each light quantity setting of 124, the irradiation time of the light by setting side lighting unit 121,122,123,124 is 2.8 to 6.4 milliseconds scope, particularly equal 4.65 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
(experiment 5)
Figure 12 be will from above the light quantity setting of lighting unit 110 be 100, will be in 80 the situation from side lighting unit 121,122,123, each light quantity setting of 124, as each millisecond of the 0-15 millisecond of side lighting unit 121,122,123, working time of 124 from above agricultural product 14 have been carried out shooting 16 images.
As shown in table 9 at the A point of each millisecond of 0-15 millisecond and illumination that B is ordered.
[table 9]
| Irradiation time [msec] | The A point | The |
| 0 | 84 | 111 |
| 1 | 90 | 113 |
| 2 | 98 | 114 |
| 3 | 104 | 116 |
| 4 | 112 | 116 |
| 5 | 122 | 118 |
| 6 | 130 | 119 |
| 7 | 136 | 120 |
| 8 | 144 | 120 |
| 9 | 151 | 122 |
| 10 | 157 | 124 |
| 11 | 161 | 124 |
| 12 | 160 | 123 |
| 13 | 162 | 123 |
| 14 | 160 | 123 |
| 15 | 159 | 123 |
Figure 13 is with the curve map behind the numerical value pictorialization shown in the table 9.
As shown in figure 13, when irradiation time was 4.56 milliseconds, the illumination at A point place became with the illumination at B point place and equates.
Thereby, control device 130 is by the work of control side lighting unit 121,122,123,124, so that the irradiation time of side lighting unit 121,122,123,124 light is 4.56 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out best distinct shooting.
In addition, the illumination at A point place the illumination at B point place ± be that the irradiation time of side lighting unit 121,122,123,124 light is 3.1 to 6.1 milliseconds scope in 10% the scope.
Details is as shown in table 10.
[table 10]
| msec | A | B | 0.9B-1.1B |
| 3.0 | 104.0 | 116.0 | 104.40-127.70 |
| 3.1 | 104.8 | 116.0 | 104.40-127.70 |
| 3.2 | 105.6 | 116.0 | 104.40-127.70 |
| ? | ? | ? | ? |
| 6.0 | 130.0 | 119.0 | 107.10-130.90 |
| 6.1 | 130.6 | 119.1 | 107.19-131.01 |
| 6.2 | 131.2 | 119.2 | 107.28-131.12 |
As mentioned above, will from above the light quantity setting of lighting unit 110 be 100, will be in 80 the situation from side lighting unit 121,122,123, each light quantity setting of 124, the irradiation time of the light by setting side lighting unit 121,122,123,124 is 3.1 to 6.1 milliseconds scope, particularly equal 4.56 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
(experiment 6)
Figure 14 be will from above the light quantity setting of lighting unit 110 be 100, will be in 90 the situation from side lighting unit 121,122,123, each light quantity setting of 124, as each millisecond of the 0-15 millisecond of side lighting unit 121,122,123, working time of 124 from above agricultural product 14 have been carried out shooting 16 images.
As shown in table 10 at the A point of each millisecond of 0-15 millisecond and illumination that B is ordered.
[table 11]
| Irradiation time [msec] | The A point | The |
| 0 | 85 | 114 |
| 1 | 92 | 113 |
| 2 | 98 | 115 |
| 3 | 106 | 115 |
| 4 | 114 | 116 |
| 5 | 122 | 117 |
| 6 | 128 | 118 |
| 7 | 135 | 117 |
| 8 | 144 | 119 |
| 9 | 150 | 119 |
| 10 | 158 | 121 |
| 11 | 161 | 121 |
| 12 | 161 | 121 |
| 13 | 160 | 120 |
| 14 | 161 | 120 |
| 15 | 161 | 121 |
Figure 15 is with the curve map behind the numerical value pictorialization shown in the table 11.
As shown in figure 15, when irradiation time was 4.32 milliseconds, the illumination at A point place became with the illumination at B point place and equates.
Thereby, control device 130 is by the work of control side lighting unit 121,122,123,124, so that the irradiation time of side lighting unit 121,122,123,124 light is 4.32 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out best distinct shooting.
In addition, the illumination at A point place the illumination at B point place ± be that the irradiation time of side lighting unit 121,122,123,124 light is 2.7 to 6.2 milliseconds scope in 10% the scope.
Details is as shown in table 12.
[table 12]
| msec | A | B | 0.9B-1.1B |
| 2.6 | 102.8 | 115.0 | 103.50-126.50 |
| 2.7 | 103.6 | 115.0 | 103.50-126.50 |
| 2.8 | 104.4 | 115.0 | 103.50-126.50 |
| ? | ? | ? | ? |
| 6.1 | 128.7 | 117.9 | 106.11-129.69 |
| 6.2 | 129.4 | 117.8 | 106.02-129.58 |
| 6.3 | 130.1 | 117.7 | 105.93-129.47 |
As mentioned above, will from above the light quantity setting of lighting unit 110 be 100, will be in 90 the situation from side lighting unit 121,122,123, each light quantity setting of 124, the irradiation time of the light by setting side lighting unit 121,122,123,124 is 2.7 to 6.2 milliseconds scope, particularly equal 4.32 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
(experiment 7)
Figure 16 be will from above the light quantity setting of lighting unit 110 be 100, will be in 100 the situation from side lighting unit 121,122,123, each light quantity setting of 124, as each millisecond of the 0-15 millisecond of side lighting unit 121,122,123, working time of 124 from above agricultural product 14 have been carried out shooting 16 images.
As shown in table 13 at the A point of each millisecond of 0-15 millisecond and illumination that B is ordered.
[table 13]
| Irradiation time [msec] | The A point | The |
| 0 | 84 | 112 |
| 1 | 90 | 113 |
| 2 | 97 | 115 |
| 3 | 105 | 114 |
| 4 | 111 | 115 |
| 5 | 119 | 115 |
| 6 | 126 | 116 |
| 7 | 132 | 115 |
| 8 | 140 | 116 |
| 9 | 146 | 116 |
| 10 | 154 | 117 |
| 11 | 155 | 117 |
| 12 | 155 | 116 |
| 13 | 153 | 117 |
| 14 | 156 | 116 |
| 15 | 156 | 118 |
Figure 17 is with the curve map behind the numerical value pictorialization shown in the table 13.
As shown in figure 17, when irradiation time was 4.56 milliseconds, the illumination at A point place became with the illumination at B point place and equates.
Thereby, control device 130 is by the work of control side lighting unit 121,122,123,124, so that the irradiation time of side lighting unit 121,122,123,124 light is 4.56 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out best distinct shooting.
In addition, the illumination at A point place the illumination at B point place ± be that the irradiation time of side lighting unit 121,122,123,124 light is 2.8 to 6.2 milliseconds scope in 10% the scope.
Details is as shown in table 14.
[table 14]
| msec | A | B | 0.9B-1.1B |
| 2.7 | 102.3 | 114.3 | 102.87-125.73 |
| 2.8 | 103.2 | 114.2 | 102.78-125.62 |
| 2.9 | 104.1 | 114.1 | 102.69-125.51 |
| ? | ? | ? | ? |
| 6.1 | 126.6 | 115.9 | 104.31-127.49 |
| 6.2 | 127.2 | 115.8 | 104.22-127.38 |
| 6.3 | 127.8 | 115.7 | 104.13-127.27 |
As mentioned above, will from above the light quantity setting of lighting unit 110 be 100, will be in 100 the situation from side lighting unit 121,122,123, each light quantity setting of 124, the irradiation time of the light by setting side lighting unit 121,122,123,124 is 2.8 to 6.2 milliseconds scope, particularly equal 4.56 milliseconds, can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
Table 15 be illustrate with the light quantity setting from top lighting unit 110 be 100, will from side lighting unit 121,122,123, each light quantity setting of 124 be 40,50,60,70,80,90,100 situation side lighting unit 121,122,123,124 best irradiation time and ± complete list of irradiation time in 10% the scope.
[table 15]
| Light quantity | Best irradiation time [msec] | ±10%[ms?ec] |
| 40 | 5.57 | 3.5-8.6 |
| 50 | 5.59 | 3.6-7.9 |
| 60 | 5.20 | 3.2-7.3 |
| 70 | 4.65 | 2.8-6.4 |
| 80 | 4.56 | 3.1-6.1 |
| 90 | 4.32 | 2.7-6.2 |
| 100 | 4.56 | 2.8-6.2 |
As known from Table 15, common scope is the 3.6-6.1 millisecond in 10% scope of each best irradiation time.Thereby, will from above the light quantity setting of lighting unit 110 be 100, will be from the situation in side lighting unit 121,122,123,124 the scope of each light quantity setting at 40-100 under, irrelevant with side lighting unit 121,122,123,124 light quantity setting value, as long as side lighting unit 121,122,123, irradiation time of 124 are set in 3.6 to 6.1 milliseconds scope, just can obtain the image that central portion (periphery that B is ordered) to agricultural product 14 and gabarit (periphery that A is ordered) have been carried out very distinct shooting.
Have, the lighting device 100 of present embodiment is not limited to above-mentioned formation again, can carry out various changes.
For example, although the lighting device 100 of present embodiment possesses the control device 130 that carries out top lighting unit 110 and side lighting unit 121,122,123,124 fader control, testing fixture 10A possesses the control device 22 of the job control of the electronic shutter that carries out each ccd video camera 18, but for example, control device 130 can constitute the job control that also carries out the electronic shutter of each ccd video camera 18, in this case, just need not control device 22.
Although the lighting device 100 of present embodiment consists of as having 4 side lighting units 121,122,123,124 device, the number of side lighting unit is not defined as 4.As the number of side lighting unit, can select the arbitrary number more than 4.But the better number of side lighting unit is 4.In addition, centered by the bright unit 110 of the above quadrature in each unit of side lighting unit, being the equal circumference angle is configured to good.
(the second embodiment)
Figure 18 is the skeleton diagram of the lighting device 200 of second embodiment of the invention.
In the lighting device 100 of the first embodiment, 4 side lighting units 121, each unit of 122,123,124 are vacated the intervals of 90 degree mutually, and be adjacent with ccd video camera 18, in a surface level, be configured to from around agricultural product 14 are made a video recording.
Though side lighting unit 121,122,123,124 and ccd video camera 18 adjacent, but the axis that light passed through of side lighting unit 121,122,123,124 irradiations can not become parallel with the axis that light passed through that ccd video camera 18 is accepted, and mutually becomes the position relationship that tilts slightly.Therefore, be an inclination angle and received by ccd video camera 18 by side lighting unit 121,122,123, light 124 that send, that reflected by agricultural product 14.That is, ccd video camera 18 can not just be made a video recording in the face of agricultural product 14 from the side, slightly obliquely agricultural product 14 is made a video recording unavoidably.
The lighting device 200 of present embodiment can solve such problem, and ccd video camera 18 can just be made a video recording in the face of agricultural product 14 from the side.
As shown in Figure 2, the lighting device of present embodiment 200 is made of following part: top lighting unit 210 light shines on the agricultural product 14 from the top of agricultural product 14; 4 side lighting units 221,222,223,224 light shine on the agricultural product 14 from the side of agricultural product 14; Control device 130, control shines the light quantity on the agricultural product 14 and shines light quantity on the agricultural product 14 from side lighting unit 221,222,223,224 from top lighting unit 210; And 4 catoptrons 231,232,233,234.
The lighting device 200 of present embodiment except top lighting unit 210 and side lighting unit 221,222,223,224 structure is different and append and possess catoptron 231,232,233,234 these 2, have the formation same with the lighting device 100 of the first embodiment.
In addition, with the lighting device 100 of the first embodiment similarly, the lighting device 200 of present embodiment consists of the part of the testing fixture 10A of the external sort that checks agricultural product 14.
As shown in figure 18, the top lighting unit 210 in the lighting device 200 of present embodiment is made of lens 211 and ligthing paraphernalia 212 as infrared rays receiver.
Side lighting unit 221,222,223,224 each unit and top lighting unit 210 have same formation.
Have again, different from the situation of the first embodiment, side lighting unit 221,222,223,224 and top lighting unit 210 be configured on the position of sustained height, catoptron 231,232,233,234 via configuring accordingly with side lighting unit 221,222,223, each unit of 224 light shines on the agricultural product 14.
In the lighting device 200 of present embodiment, the light that sends from top lighting unit 210 and side lighting unit 221,222,223, each ligthing paraphernalia 212 of 224 directly or via catoptron 231,232,233,234, shines on the agricultural product 14.
Light by the top lighting unit 210 that send, that reflected by agricultural product 14 is directly received by the lens 211 of top lighting unit 210, sends ccd video camera 18 to.In addition, by side lighting unit 221,222,223, light 224 that send, that reflected by agricultural product 14 via catoptron 231,232,233,234, received by side lighting unit 221,222,223, each lens 211 of 224, send each ccd video camera 18 to.
Like this, lighting device 200 according to present embodiment, because it is consistent that the light light path that is passed through and the light that has arrived agricultural product 14 before arriving agricultural product 14 that send from top lighting unit 210 and side lighting unit 221,222,223, each ligthing paraphernalia 212 of 224 are reflected the light path that turns back to each lens 211, perhaps owing to becoming parallel, so with each ccd video camera 18 of top lighting unit 210 and side lighting unit 221,222,223, the configuration of 224 one from the front, namely make a video recording to agricultural product 14 and become possibility in aclinal ground.
Have, the lighting device 200 of present embodiment is not limited to above-mentioned formation again, can carry out various changes.
For example, in the lighting device 200 of present embodiment, although the internal diameter of ligthing paraphernalia 212 is set equal to the external diameter of lens 211, as long as ligthing paraphernalia 212 is configured to be positioned at one heart with lens 211, the external diameter that then internal diameter of ligthing paraphernalia 212 is set as greater than lens 211 also is possible.
In addition, not necessarily make 4 side lighting units 221,222,223,224 all work simultaneously, for example, also can only make 3 work wherein.
Figure 19 is the sequential chart that one of side lighting unit 221,222,223, job control of 224 example is shown.
As shown in figure 19, with respect to top lighting unit 210 is worked all the time, can not make 1 work in 4 side lighting units 221,222,223,224, only make remaining 3 work.For example, when the 1st agricultural product 14 are made a video recording, do not make 224 work of side lighting unit, only make side lighting unit 221,222,223 work.When the 2nd agricultural product 14 are made a video recording, do not make 223 work of side lighting unit, only make side lighting unit 221,222,224 work.When the 3rd agricultural product 14 are made a video recording, do not make 222 work of side lighting unit, only make side lighting unit 221,223,224 work.And then, when the 4th agricultural product 14 are made a video recording, do not make 221 work of side lighting unit, only make side lighting unit 222,223,224 work.By repeating such circulation, when agricultural product 14 are made a video recording, make wantonly 3 the side lighting unit work in 4 side lighting units 221,222,223,224.
Like this, carry out the number of the side lighting unit of work by control, can control from the total amount of the light quantity of side illumination unit.
Description of reference numerals
The lighting device of 100 first embodiment of the invention
110 top lighting units
121,122,123,124 side lighting units
130 control device
131 central processing units
132 first memories
133 second memories
134 input interfaces
135 output interfaces
136 buses
The external sort testing fixture of 10A agricultural product
12 conveyors
14 agricultural product
16 photoelectric sensors
18 ccd video cameras
22 control device
The lighting device of 200 second embodiment of the invention
210 top lighting units
211 lens
212 ligthing paraphernalias
221,222,223,224 side lighting units
231,232,233,234 catoptrons.
Claims (16)
1. lighting device, it uses in the external sort testing fixture of agricultural product and light shines on the above-mentioned agricultural product, wherein, the external sort testing fixture of above-mentioned agricultural product light shines on each agricultural product that a direction is transported, and check the external sort of above-mentioned agricultural product based on the reflected light from above-mentioned agricultural product, above-mentioned lighting device comprises:
The top lighting unit light shines on the above-mentioned agricultural product from the top of above-mentioned agricultural product;
At least 4 side lighting units light shine on the above-mentioned agricultural product from the side of above-mentioned agricultural product; And
Control device, control be from the light quantity of above-mentioned top illumination unit with from the light quantity of above-mentioned side illumination unit,
Above-mentioned control device is controlled the irradiation time of above-mentioned side lighting unit so that above-mentioned agricultural product be subject to from first illumination of the strong effect of the light of above-mentioned side illumination unit drop on above-mentioned agricultural product be subject to from the illumination of the second point of the strong effect of the light of above-mentioned top illumination unit ± 10% scope in.
2. lighting device as claimed in claim 1 is characterized in that,
Above-mentioned control device is controlled the irradiation time of above-mentioned side lighting unit, equates so that above-mentioned first illumination of locating becomes with the illumination at above-mentioned second point place.
3. lighting device as claimed in claim 1 or 2 is characterized in that,
Above-mentioned control device is controlled from the total amount of the light quantity of above-mentioned side illumination unit by controlling the number that carries out the side lighting unit of work among the lighting unit of above-mentioned side.
4. the lighting device described in each of claims 1 to 3 is characterized in that,
At least the either party of above-mentioned top lighting unit and above-mentioned side lighting unit possesses:
The circular infrared rays receiver of the light that acceptance is reflected from above-mentioned agricultural product; And
The ring illumination utensil,
Above-mentioned ligthing paraphernalia is concentric arrangement with above-mentioned infrared rays receiver around above-mentioned infrared rays receiver.
5. lighting device as claimed in claim 4 is characterized in that,
The external diameter of above-mentioned infrared rays receiver is set to the internal diameter of above-mentioned ligthing paraphernalia and equates.
6. the lighting device described in each of claim 1 to 5 is characterized in that,
Above-mentioned control device is controlled above-mentioned side lighting unit, so that the irradiation time of above-mentioned side lighting unit is in 3.6 to 6.1 milliseconds scope.
7. means of illumination, its be light shine on each agricultural product that a direction is transported and check based on the reflected light from above-mentioned agricultural product in the method for external sort of above-mentioned agricultural product, light shine the means of illumination on the above-mentioned agricultural product, possess:
The first process light shines on the above-mentioned agricultural product from the top of above-mentioned agricultural product; And
The second process light shines on the above-mentioned agricultural product from least 4 sides of above-mentioned agricultural product,
In above-mentioned the second process, control light shines the time on the above-mentioned agricultural product from the side of above-mentioned agricultural product so that above-mentioned agricultural product be subject to from first illumination of the strong effect of the light of side irradiation drop on above-mentioned agricultural product be subject to from the illumination of the second point of the strong effect of the light of top irradiation ± 10% scope in.
8. means of illumination as claimed in claim 7 is characterized in that,
In above-mentioned the second process, control light shines the time on the above-mentioned agricultural product from the side of above-mentioned agricultural product, equate so that above-mentioned first illumination of locating becomes with the illumination at above-mentioned second point place.
9. such as claim 7 or 8 described means of illuminations, it is characterized in that,
In above-mentioned the second process, the time on the above-mentioned agricultural product of light shining from the side of above-mentioned agricultural product is in 3.6 to 6.1 milliseconds scope.
10. the external sort testing fixture of agricultural product, it comprises:
Transport parts, transport continuously the agricultural product of having a medical check-up as tested;
Pick-up unit, whenever above-mentioned agricultural product by the time detect above-mentioned agricultural product, send detection signal;
Shooting part is made a video recording to above-mentioned agricultural product from top and side;
Lighting device described in each of claim 1 to 6; And
Control assembly according to above-mentioned detection signal, makes above-mentioned shooting part work.
11. the external sort testing fixture of agricultural product as claimed in claim 10 is characterized in that,
At least the either party of above-mentioned top lighting unit and above-mentioned side lighting unit possesses:
The circular infrared rays receiver of the light that acceptance is reflected from above-mentioned agricultural product; And
The ring illumination utensil,
Above-mentioned ligthing paraphernalia is concentric arrangement with above-mentioned infrared rays receiver around above-mentioned infrared rays receiver.
12. the external sort testing fixture of agricultural product as claimed in claim 11 is characterized in that,
The external diameter of above-mentioned infrared rays receiver is set to the internal diameter of above-mentioned ligthing paraphernalia and equates.
13. the external sort testing fixture of the agricultural product described in each of claim 10 to 12 is characterized in that,
Above-mentioned control device is controlled above-mentioned side lighting unit, so that the irradiation time of above-mentioned side lighting unit is in 3.6 to 6.1 milliseconds scope.
14. program, be used for making computing machine to carry out means of illumination, this means of illumination be light shine on each agricultural product that a direction is transported and check based on the reflected light from above-mentioned agricultural product in the method for external sort of above-mentioned agricultural product, light shine the method on the above-mentioned agricultural product, said procedure comprises:
First processes, and light shines on the above-mentioned agricultural product from the top of above-mentioned agricultural product; And
Second processes, light shine on the above-mentioned agricultural product from least 4 sides of above-mentioned agricultural product,
In above-mentioned second processes, control light shines the time on the above-mentioned agricultural product from the side of above-mentioned agricultural product so that above-mentioned agricultural product be subject to from first illumination of the strong effect of the light of side irradiation drop on above-mentioned agricultural product be subject to from the illumination of the second point of the strong effect of the light of top irradiation ± 10% scope in.
15. program as claimed in claim 14 is characterized in that,
In above-mentioned second processed, control light shone the time on the above-mentioned agricultural product from the side of above-mentioned agricultural product, equate so that above-mentioned first illumination of locating becomes with the illumination at above-mentioned second point place.
16. such as the described program of claims 14 or 15, it is characterized in that,
In above-mentioned second processed, the time on the above-mentioned agricultural product of light shining from the side of above-mentioned agricultural product was in 3.6 to 6.1 milliseconds scope.
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| PCT/JP2011/051114 WO2012098682A1 (en) | 2011-01-21 | 2011-01-21 | Illumination device and illumination method for external quality inspection apparatus for agricultural produce |
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| CN103101326A (en) * | 2012-12-10 | 2013-05-15 | 海宁伊满阁太阳能科技有限公司 | Agricultural product laser marking device provided with image identifying system |
| WO2021040409A1 (en) * | 2019-08-27 | 2021-03-04 | 삼성전자 주식회사 | Optical inspection method and apparatus using same |
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| JP2007033065A (en) * | 2005-07-22 | 2007-02-08 | Nireco Corp | Appearance inspection device and appearance inspection method for agricultural produce |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11900642B2 (en) | 2018-10-10 | 2024-02-13 | Semiconductor Energy Laboratory Co., Ltd. | Inspection device and method for operating inspection device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130139747A (en) | 2013-12-23 |
| CN103003687B (en) | 2015-06-03 |
| JP5610550B2 (en) | 2014-10-22 |
| WO2012098682A1 (en) | 2012-07-26 |
| KR101740087B1 (en) | 2017-05-25 |
| JPWO2012098682A1 (en) | 2014-06-09 |
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