CN103003687B - Illumination device and illumination method for external quality inspection apparatus for agricultural product - Google Patents
Illumination device and illumination method for external quality inspection apparatus for agricultural product Download PDFInfo
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- CN103003687B CN103003687B CN201180035446.2A CN201180035446A CN103003687B CN 103003687 B CN103003687 B CN 103003687B CN 201180035446 A CN201180035446 A CN 201180035446A CN 103003687 B CN103003687 B CN 103003687B
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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 and checking the lighting device light shining agricultural product and means of illumination that use in the device of the external sort of fruit and other agricultural product.
Background technology
As an example of the device of the external sort of inspection agricultural product, described among Japanese Unexamined Patent Publication 2003-14650 publication.
Figure 20 is the skeleton diagram of the testing fixture described in same publication.
Testing fixture 10 described in Figure 20 is made up of following each several part: conveyor 12, transports the agricultural product (such as shaddock or oranges and tangerines) 14 as inspected body continuously; Photoelectric sensor 16, whenever agricultural product 14 by time detect agricultural product 14, send detection signal; 5 ccd video cameras 18, make a video recording from 5 directions to agricultural product 14; Light irradiation element 20, configures with each ccd video camera 18 is adjacent, light shines on the agricultural product 14 that pass through on conveyor 12; 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 top to transporting the agricultural product 14 come, and mutually vacates to be interposed between in a surface level between 90 degree for other 4 to be configured to make a video recording from side to transporting the agricultural product 14 come.
Testing fixture 10 works as follows.
Agricultural product 14 are placed by certain interval on conveyor 12, are transported continuously.
Photoelectric sensor 16 whenever agricultural product 14 by time detection signal is sent to control device 22.
Control device 22 have received detection signal and after certain hour, namely, when the agricultural product 14 of shooting object arrive the shooting place of each ccd video camera 18 from photoelectric sensor 16, make the electronic shutter work of each ccd video camera 18, the image of agricultural product 14 is made a video recording.
Then, the rest image of the agricultural product 14 so obtained is carried out image procossing by control device 22, according to result, judges the external sort of each agricultural product 14.
prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2003-14650 publication.
Summary of the invention
When making a video recording to agricultural product 14, because agricultural product more than 14 are spherical in shape, if so only irradiate light from the top of agricultural product 14, then the gabarit of agricultural product 14 is dimmed, and the gabarit in the image of agricultural product 14 becomes not distinct.In order to eliminate such problem, testing fixture 10, not only from top, also light shines agricultural product 14 from side.
But, when be irradiated to from top the light amount ratio on agricultural product 14 to be irradiated to from side light quantity agricultural product 14 many, or, in contrast, when be irradiated to from side the light amount ratio on agricultural product 14 to be irradiated to from top light quantity agricultural product 14 many, due to the middle body of agricultural product 14 and contour part divide between produce illumination difference, so the image of agricultural product 14 not necessarily becomes distinct.
Like this, even when above agricultural product 14 and side all irradiates light, if do not regulate between the light quantity be irradiated to from top on agricultural product 14 and the light quantity being irradiated to agricultural product 14 from side, then the harsh image of agricultural product 14 cannot be obtained.
The present invention makes in view of the problem in this existing testing fixture 10, provide a kind of lighting device and means of illumination, wherein, when above agricultural product 14 and side all irradiates light and makes a video recording to agricultural product 14, control be irradiated to the light quantity agricultural product 14 from top and be irradiated to the light quantity agricultural product 14 from side, the harsh image of agricultural product 14 can be obtained.
In order to achieve the above object, the invention provides a kind of lighting device, it uses and light shines on above-mentioned agricultural product in the external sort testing fixture of agricultural product, wherein, the external sort testing fixture of above-mentioned agricultural product light shines on each agricultural product of transporting in a direction, and the external sort of above-mentioned agricultural product is checked based on the reflected light from above-mentioned agricultural product, above-mentioned lighting device comprises: top lighting unit, light shines above-mentioned agricultural product from the top of above-mentioned agricultural product; At least 4 side lighting units, light shine from the side of above-mentioned agricultural product above-mentioned agricultural product; And control device, control from the light quantity of above-mentioned top illumination unit and the light quantity from above-mentioned side illumination unit, above-mentioned control device controls the irradiation time of above-mentioned side lighting unit, the illumination of the most strongly affect first of the light that above-mentioned agricultural product are subject to from above-mentioned side illumination unit drop on above-mentioned agricultural product be subject to the illumination of the second point the most strongly affected of the light from above-mentioned top illumination unit ± scope of 10% in.
It is preferred that above-mentioned control device controls the irradiation time of above-mentioned side lighting unit, the illumination at above-mentioned first place is made to become equal with the illumination at above-mentioned second point place.
It is preferred that in lighting device of the present invention, above-mentioned control device controls the total amount of the light quantity from above-mentioned side illumination unit by the number controlling the side lighting unit carrying out work among the lighting unit of above-mentioned side.
Preferably, in lighting device of the present invention, above-mentioned top lighting unit and above-mentioned side lighting unit at least either party possesses the circular infrared rays receiver and ring illumination utensil that accept the light reflected from above-mentioned agricultural product, above-mentioned ligthing paraphernalia is concentric arrangement with above-mentioned infrared rays receiver around above-mentioned infrared rays receiver.
Such as, the external diameter of above-mentioned infrared rays receiver can be set as equal with the internal diameter of above-mentioned ligthing paraphernalia.
It is preferred that in lighting device of the present invention, above-mentioned control device controls above-mentioned side lighting unit, makes the irradiation time of above-mentioned side lighting unit in the scope of 3.6 to 6.1 milliseconds.
The present invention also provides a kind of means of illumination, it light shines on each agricultural product of transporting in a direction and checks in the method for the external sort of above-mentioned agricultural product, the means of illumination light shone on above-mentioned agricultural product based on the reflected light from above-mentioned agricultural product, possess the first process, light shine from the top of above-mentioned agricultural product above-mentioned agricultural product; And second process, light shine above-mentioned agricultural product from least 4 sides of above-mentioned agricultural product, in above-mentioned second process, control the time light shone from the side of above-mentioned agricultural product above-mentioned agricultural product, the illumination of the most strongly affect first making above-mentioned agricultural product be subject to the light irradiated from side drop on above-mentioned agricultural product be subject to the illumination of the second point the most strongly affected of the light from top irradiation ± scope of 10% in.
It is preferred that in means of illumination of the present invention, in above-mentioned second process, control the time light shone from the side of above-mentioned agricultural product above-mentioned agricultural product, make the illumination at above-mentioned first place become equal with the illumination at above-mentioned second point place.
It is preferred that in means of illumination of the present invention, in above-mentioned second process, make to light shine the time above-mentioned agricultural product in the scope of 3.6 to 6.1 milliseconds from the side of above-mentioned agricultural product.
The present invention also provides a kind of external sort testing fixture of agricultural product, and it comprises: transport parts, transport the agricultural product as inspected body continuously; Pick-up unit, whenever above-mentioned agricultural product by time detect above-mentioned agricultural product, send detection signal; Shooting part, makes a video recording from top and side to above-mentioned agricultural product; 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, above-mentioned top lighting unit and above-mentioned side lighting unit at least either party possesses the circular infrared rays receiver and ring illumination utensil that accept the light reflected from above-mentioned agricultural product, above-mentioned ligthing paraphernalia is concentric arrangement with above-mentioned infrared rays receiver around above-mentioned infrared rays receiver.
It is preferred that in means of illumination of the present invention, the external diameter of above-mentioned infrared rays receiver is set to equal with the internal diameter of above-mentioned ligthing paraphernalia.
It is preferred that in means of illumination of the present invention, above-mentioned control device controls above-mentioned side lighting unit, makes the irradiation time of above-mentioned side lighting unit in the scope of 3.6 to 6.1 milliseconds.
The present invention also provides a kind of program, means of illumination is performed for making computing machine, this means of illumination light shines on each agricultural product of transporting in a direction and checks in the method for the external sort of above-mentioned agricultural product, the method light shone on above-mentioned agricultural product based on the reflected light from above-mentioned agricultural product, said procedure possesses: the first process, light shines from the top of above-mentioned agricultural product above-mentioned agricultural product; And second processes, light shine above-mentioned agricultural product from least 4 sides of above-mentioned agricultural product, in above-mentioned second process, control the time light shone from the side of above-mentioned agricultural product above-mentioned agricultural product, the illumination of the most strongly affect first making above-mentioned agricultural product be subject to the light irradiated from side drop on above-mentioned agricultural product be subject to the illumination of the second point the most strongly affected of the light from top irradiation ± scope of 10% in.
It is preferred that in program of the present invention, in above-mentioned second process, control the time light shone from the side of above-mentioned agricultural product above-mentioned agricultural product, make the illumination at above-mentioned first place become equal with the illumination at above-mentioned second point place.
It is preferred that in program of the present invention, in above-mentioned second process, make to light shine the time above-mentioned agricultural product in the scope of 3.6 to 6.1 milliseconds from the side of above-mentioned agricultural product.
the effect of invention
In lighting device of the present invention, control device controls the irradiation time of side lighting unit, the illumination of the most strongly affect first of the light that agricultural product are subject to from side illumination unit drop on agricultural product be subject to the illumination of the second point the most strongly affected of the light from top illumination unit ± scope of 10% in.That is control device controls the work of side lighting unit, and the irradiation time of the light making side lighting unit send is best irradiation time.Thus, central portion (periphery of second point) to agricultural product can be obtained and gabarit (periphery of first) has carried out the image of best distinctness shooting.
Accompanying drawing explanation
Fig. 1 is the skeleton diagram of the lighting device of first embodiment of the invention.
Fig. 2 is the block diagram of the control device as an inscape of the lighting device of first embodiment of the invention.
Fig. 3 be from top to the image that agricultural product are made a video recording, A point and B point are shown.
Fig. 4 be when be 100 by the light quantity setting from top lighting unit, be 40 by each light quantity setting from side lighting unit, at each millisecond of the 0-15 millisecond of the working time as side lighting unit from top to 16 images that agricultural product are made a video recording.
Fig. 5 be by the numerical value pictorialization shown in table 1 after curve map.
Fig. 6 be when be 100 by the light quantity setting from top lighting unit, be 50 by each light quantity setting from side lighting unit, at each millisecond of the 0-15 millisecond of the working time as side lighting unit from top to 16 images that agricultural product are made a video recording.
Fig. 7 be by the numerical value pictorialization shown in table 3 after curve map.
Fig. 8 be when be 100 by the light quantity setting from top lighting unit, be 60 by each light quantity setting from side lighting unit, at each millisecond of the 0-15 millisecond of the working time as side lighting unit from top to 16 images that agricultural product are made a video recording.
Fig. 9 be by the numerical value pictorialization shown in table 5 after curve map.
Figure 10 be when be 100 by the light quantity setting from top lighting unit, be 70 by each light quantity setting from side lighting unit, at each millisecond of the 0-15 millisecond of the working time as side lighting unit from top to 16 images that agricultural product are made a video recording.
Figure 11 be by the numerical value pictorialization shown in table 7 after curve map.
Figure 12 be when be 100 by the light quantity setting from top lighting unit, be 80 by each light quantity setting from side lighting unit, at each millisecond of the 0-15 millisecond of the working time as side lighting unit from top to 16 images that agricultural product are made a video recording.
Figure 13 be by the numerical value pictorialization shown in table 9 after curve map.
Figure 14 be when be 100 by the light quantity setting from top lighting unit, be 90 by each light quantity setting from side lighting unit, at each millisecond of the 0-15 millisecond of the working time as side lighting unit from top to 16 images that agricultural product are made a video recording.
Figure 15 be by the numerical value pictorialization shown in table 11 after curve map.
Figure 16 be when be 100 by the light quantity setting from top lighting unit, be 100 by each light quantity setting from side lighting unit, at each millisecond of the 0-15 millisecond of the working time as side lighting unit from top to 16 images that agricultural product are made a video recording.
Figure 17 be by the numerical value pictorialization shown in table 13 after curve map.
Figure 18 is the skeleton diagram of the lighting device of second embodiment of the invention.
Figure 19 is the sequential chart of one of job control that side lighting unit is shown example.
Figure 20 is the skeleton diagram of the existing testing fixture of the external sort checking 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 continuously along a direction on belt conveyor 12.
The lighting device 100 of present embodiment is made up of following part: top lighting unit 110, light shines agricultural product 14 from the top of agricultural product 14; 4 side lighting units 121,122,123,124, light shine from the side of agricultural product 14 agricultural product 14; And control device 130, control the light quantity being irradiated to the light quantity agricultural product 14 from top lighting unit 110 and being irradiated to from side lighting unit 121,122,123,124 agricultural product 14.
The lighting device 100 of present embodiment forms a part of the testing fixture 10A of the external sort checking agricultural product 14, testing fixture 10A is made up of following each several part: conveyor 12, transports the agricultural product (such as shaddock or oranges and tangerines) 14 as inspected body continuously; Photoelectric sensor 16, whenever agricultural product 14 by time detect agricultural product 14, send detection signal; 5 ccd video cameras 18, make a video recording from 5 directions to agricultural product 14; 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 among 5 ccd video cameras 18 top being configured in agricultural product 14, to make a video recording from top to transporting the agricultural product 14 come, the interval that other 4 sides at agricultural product 14 vacate 90 degree is mutually configured in a surface level, to make a video recording from side to transporting the agricultural product 14 come.4 ccd video cameras 18 are such as configured in the surface level of the roughly half height being in agricultural product 14.
Every 1 of top lighting unit 110 and 4 side lighting units, 121,122,123,124 and 5 ccd video cameras 18 adjacent configures, and light shines on the agricultural product 14 that pass through at conveyor 12 respectively from top and side.
Testing fixture 10A is irradiated to by the lighting device 100 of present embodiment except the light quantity this point on agricultural product 14 except being controlled by control device 130, works in the same manner as the testing fixture 10 shown in Figure 20.
Specifically, in the lighting device 100 of present embodiment, control device 130 controls, make work start time and 4 side lighting units 121 of top lighting unit 110, 122, 123, the work start time of 124 is synchronization, and then, control side lighting unit 121, 122, 123, the end-of-job moment of 124, agricultural product 14 are made to be subject to from side lighting unit 121, 122, 123, the illumination at 124 the most strongly affect first of the light place irradiated drop on agricultural product 14 be subject to the illumination of the second point the most strongly affected of the light irradiated from top lighting unit 110 ± scope of 10% in.
That is, control device 130 controls, and top lighting unit 110 is worked all the time, and makes the irradiation time (working time) of side lighting unit 121,122,123,124 shorter than the irradiation time of top lighting unit 110.
Fig. 2 is the block diagram of control device 130.
Control device 130 is made up of following each several part: central processing unit (CPU) 131; First memory 132; Second memory 133; Input interface 134, for being input in central processing unit 131 by various instruction and data; Output interface 135, exports the result performed by central processing unit 131; And bus 136, central processing unit 131 and first memory 132, second memory 133, input interface 134 and output interface 135 are linked together.
The formations such as the storage medium such as semiconductor storage, floppy disk, hard disk or photomagneto disk such as first memory 132 and each free ROM (read-only memory) (ROM) of second memory 133, random-access memory (ram) or IC storage card.Such as, first memory 132 is made up of ROM, and second memory 133 is made up of RAM.
First memory 132 stores various control program for making central processing unit 131 perform and other fixing data.Second memory 133 stores various data and parameter, and provides the perform region to central processing unit 131, that is, be stored in the data of central processing unit 131 executive routine aspect temporary needs.Central processing unit 131 reads program from first memory 132 and performs this program.That is, central processing unit 131 is according to the program work be stored in first memory 132.
Below, the top lighting unit 110 of control device 130 and the fader control of side lighting unit 121,122,123,124 are described.
The present inventor, in order to determine the best fader control of top lighting unit 110 and side lighting unit 121,122,123,124, has carried out following experiment.
Fig. 3 is to the image that agricultural product 14 are made a video recording from top.
As shown in Figure 3, the point the most strongly affected agricultural product 14 being subject to the light irradiated from side lighting unit 121,122,123,124 is decided to be A point, and the point the most strongly affected agricultural product 14 being subject to the light irradiated from top lighting unit 110 is decided to be B point.
Such as, as A point, for the whole height of agricultural product 14, select and count the point being positioned at half height from bottom, as B point, the summit of selected agricultural product 14.
In the state that lighting unit 110 works all the time above making (namely, always light shining from the upper side in the state on agricultural product 14), the irradiation time of side lighting unit 121,122,123,124 is changed every 1 millisecond at 0 millisecond (msec) between 15 milliseconds (msec), determines the illumination of A point at each millisecond and B point.
This mensuration make relative to the light irradiated from top lighting unit 100 light quantity, the light quantity of light of irradiating from side lighting unit 121,122,123,124 undertaken changing carry out by 7 kinds (experiment 1-7).
(experiment 1)
Fig. 4 is being 100 by the light quantity setting from top lighting unit 110, when being 40 by each light quantity setting from side lighting unit 121,122,123,124, at each millisecond of the 0-15 millisecond of the working time as side lighting unit 121,122,123,124 from top to 16 images that agricultural product 14 are made a video recording.
The A point of each millisecond of 0-15 millisecond and the illumination of B point as shown in table 1.
[table 1]
| Irradiation time [msec] | A point | B point |
| 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 be by the numerical value pictorialization shown in table 1 after curve map.
As shown in Figure 5, when being 5.57 milliseconds upon irradiation, the illumination at A point place becomes equal with the illumination at B point place.
Thus, control device 130 is by controlling the work of side lighting unit 121,122,123,124, make the irradiation time of the light of side lighting unit 121,122,123,124 be 5.57 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of best distinctness shooting.
In addition, according to the opinion of inventor, if the illumination of the illumination at A point place at B point place ± scope of 10% in, then can obtain central portion (periphery of B point) to agricultural product 14 and gabarit (periphery of A point) has carried out the image of very distinct shooting.
The illumination of illumination at B point place at A point place ± scope of 10% in, the irradiation time of the light of side lighting unit 121,122,123,124 is the scope of 3.5 to 8.6 milliseconds.
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, when be 100 by the light quantity setting from top lighting unit 110, be 40 by each light quantity setting from side lighting unit 121,122,123,124, by the irradiation time of the light of setting side lighting unit 121,122,123,124 scope at 3.5 to 8.6 milliseconds, particularly equal 5.57 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of very distinct shooting.
(experiment 2)
Fig. 6 be when be 100 by the light quantity setting from top lighting unit 110, be 50 by each light quantity setting from side lighting unit 121,122,123,124, at each millisecond of the 0-15 millisecond of the working time as side lighting unit 121,122,123,124 from top to 16 images that agricultural product 14 are made a video recording.
The A point of each millisecond of 0-15 millisecond and the illumination of B point as shown in table 3.
[table 3]
| Irradiation time [msec] | A point | B point |
| 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 be by the numerical value pictorialization shown in table 3 after curve map.
As shown in Figure 7, when being 5.59 milliseconds upon irradiation, the illumination at A point place becomes equal with the illumination at B point place.
Thus, control device 130 is by controlling the work of side lighting unit 121,122,123,124, make the irradiation time of the light of side lighting unit 121,122,123,124 be 5.59 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of best distinctness shooting.
In addition, the illumination of illumination at B point place at A point place ± scope of 10% in, the irradiation time of the light of side lighting unit 121,122,123,124 is the scope of 3.6 to 7.9 milliseconds.
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, when be 100 by the light quantity setting from top lighting unit 110, be 50 by each light quantity setting from side lighting unit 121,122,123,124, by the irradiation time of the light of setting side lighting unit 121,122,123,124 scope at 3.6 to 7.9 milliseconds, particularly equal 5.59 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of very distinct shooting.
(experiment 3)
Fig. 8 be when be 100 by the light quantity setting from top lighting unit 110, be 60 by each light quantity setting from side lighting unit 121,122,123,124, at each millisecond of the 0-15 millisecond of the working time as side lighting unit 121,122,123,124 from top to 16 images that agricultural product 14 are made a video recording.
The A point of each millisecond of 0-15 millisecond and the illumination of B point as shown in table 5.
[table 5]
| Irradiation time [msec] | A point | B point |
| 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 be by the numerical value pictorialization shown in table 5 after curve map.
As shown in Figure 9, when being 5.20 milliseconds upon irradiation, the illumination at A point place becomes equal with the illumination at B point place.
Thus, control device 130 is by controlling the work of side lighting unit 121,122,123,124, make the irradiation time of the light of side lighting unit 121,122,123,124 be 5.20 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of best distinctness shooting.
In addition, the illumination of illumination at B point place at A point place ± scope of 10% in, the irradiation time of the light of side lighting unit 121,122,123,124 is the scope of 3.2 to 7.3 milliseconds.
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, when be 100 by the light quantity setting from top lighting unit 110, be 60 by each light quantity setting from side lighting unit 121,122,123,124, by the irradiation time of the light of setting side lighting unit 121,122,123,124 scope at 3.2 to 7.3 milliseconds, particularly equal 5.20 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of very distinct shooting.
(experiment 4)
Figure 10 be when be 100 by the light quantity setting from top lighting unit 110, be 70 by each light quantity setting from side lighting unit 121,122,123,124, at each millisecond of the 0-15 millisecond of the working time as side lighting unit 121,122,123,124 from top to 16 images that agricultural product 14 are made a video recording.
The A point of each millisecond of 0-15 millisecond and the illumination of B point as shown in table 7.
[table 7]
| Irradiation time [msec] | A point | B point |
| 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 be by the numerical value pictorialization shown in table 7 after curve map.
As shown in figure 11, when being 4.65 milliseconds upon irradiation, the illumination at A point place becomes equal with the illumination at B point place.
Thus, control device 130 is by controlling the work of side lighting unit 121,122,123,124, make the irradiation time of the light of side lighting unit 121,122,123,124 be 4.65 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of best distinctness shooting.
In addition, the illumination of illumination at B point place at A point place ± scope of 10% in, the irradiation time of the light of side lighting unit 121,122,123,124 is the scope of 2.8 to 6.4 milliseconds.
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, when be 100 by the light quantity setting from top lighting unit 110, be 70 by each light quantity setting from side lighting unit 121,122,123,124, by the irradiation time of the light of setting side lighting unit 121,122,123,124 scope at 2.8 to 6.4 milliseconds, particularly equal 4.65 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of very distinct shooting.
(experiment 5)
Figure 12 be when be 100 by the light quantity setting from top lighting unit 110, be 80 by each light quantity setting from side lighting unit 121,122,123,124, at each millisecond of the 0-15 millisecond of the working time as side lighting unit 121,122,123,124 from top to 16 images that agricultural product 14 are made a video recording.
The A point of each millisecond of 0-15 millisecond and the illumination of B point as shown in table 9.
[table 9]
| Irradiation time [msec] | A point | B point |
| 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 be by the numerical value pictorialization shown in table 9 after curve map.
As shown in figure 13, when being 4.56 milliseconds upon irradiation, the illumination at A point place becomes equal with the illumination at B point place.
Thus, control device 130 is by controlling the work of side lighting unit 121,122,123,124, make the irradiation time of the light of side lighting unit 121,122,123,124 be 4.56 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of best distinctness shooting.
In addition, the illumination of illumination at B point place at A point place ± scope of 10% in, the irradiation time of the light of side lighting unit 121,122,123,124 is the scope of 3.1 to 6.1 milliseconds.
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, when be 100 by the light quantity setting from top lighting unit 110, be 80 by each light quantity setting from side lighting unit 121,122,123,124, by the irradiation time of the light of setting side lighting unit 121,122,123,124 scope at 3.1 to 6.1 milliseconds, particularly equal 4.56 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of very distinct shooting.
(experiment 6)
Figure 14 be when be 100 by the light quantity setting from top lighting unit 110, be 90 by each light quantity setting from side lighting unit 121,122,123,124, at each millisecond of the 0-15 millisecond of the working time as side lighting unit 121,122,123,124 from top to 16 images that agricultural product 14 are made a video recording.
The A point of each millisecond of 0-15 millisecond and the illumination of B point as shown in table 10.
[table 11]
| Irradiation time [msec] | A point | B point |
| 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 be by the numerical value pictorialization shown in table 11 after curve map.
As shown in figure 15, when being 4.32 milliseconds upon irradiation, the illumination at A point place becomes equal with the illumination at B point place.
Thus, control device 130 is by controlling the work of side lighting unit 121,122,123,124, make the irradiation time of the light of side lighting unit 121,122,123,124 be 4.32 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of best distinctness shooting.
In addition, the illumination of illumination at B point place at A point place ± scope of 10% in, the irradiation time of the light of side lighting unit 121,122,123,124 is the scope of 2.7 to 6.2 milliseconds.
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, when be 100 by the light quantity setting from top lighting unit 110, be 90 by each light quantity setting from side lighting unit 121,122,123,124, by the irradiation time of the light of setting side lighting unit 121,122,123,124 scope at 2.7 to 6.2 milliseconds, particularly equal 4.32 milliseconds, the image that central portion (periphery of B point) to agricultural product 14 and gabarit (periphery of A point) carry out very distinct shooting can be obtained.
(experiment 7)
Figure 16 be when be 100 by the light quantity setting from top lighting unit 110, be 100 by each light quantity setting from side lighting unit 121,122,123,124, at each millisecond of the 0-15 millisecond of the working time as side lighting unit 121,122,123,124 from top to 16 images that agricultural product 14 are made a video recording.
The A point of each millisecond of 0-15 millisecond and the illumination of B point as shown in table 13.
[table 13]
| Irradiation time [msec] | A point | B point |
| 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 be by the numerical value pictorialization shown in table 13 after curve map.
As shown in figure 17, when being 4.56 milliseconds upon irradiation, the illumination at A point place becomes equal with the illumination at B point place.
Thus, control device 130 is by controlling the work of side lighting unit 121,122,123,124, make the irradiation time of the light of side lighting unit 121,122,123,124 be 4.56 milliseconds, central portion (periphery of B point) to agricultural product 14 can be obtained and gabarit (periphery of A point) has carried out the image of best distinctness shooting.
In addition, the illumination of illumination at B point place at A point place ± scope of 10% in, the irradiation time of the light of side lighting unit 121,122,123,124 is the scope of 2.8 to 6.2 milliseconds.
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, when be 100 by the light quantity setting from top lighting unit 110, be 100 by each light quantity setting from side lighting unit 121,122,123,124, by the irradiation time of the light of setting side lighting unit 121,122,123,124 scope at 2.8 to 6.2 milliseconds, particularly equal 4.56 milliseconds, the image that central portion (periphery of B point) to agricultural product 14 and gabarit (periphery of A point) carry out very distinct shooting can be obtained.
Table 15 be illustrate the light quantity setting from top lighting unit 110 to be 100, by each light quantity setting from side lighting unit 121,122,123,124 be the best irradiation time of the side lighting unit 121,122,123,124 of the situation of 40,50,60,70,80,90,100 and ± 10% scope in the complete list of irradiation time.
[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, in the scope of 10% of each best irradiation time, common scope is 3.6-6.1 millisecond.Thus, when be 100 by the light quantity setting from top lighting unit 110, by each light quantity setting from side lighting unit 121,122,123,124 in the scope of 40-100, have nothing to do with the light quantity setting value of side lighting unit 121,122,123,124, as long as the light irradiation time of side lighting unit 121,122,123,124 to be set in the scope of 3.6 to 6.1 milliseconds, central portion (periphery of B point) to agricultural product 14 just can be obtained and gabarit (periphery of A point) has carried out the image of very distinct shooting.
Further, the lighting device 100 of present embodiment is not limited to above-mentioned formation, various change can be carried out.
Such as, although the lighting device 100 of present embodiment possesses the control device 130 of the fader control carrying out top lighting unit 110 and side lighting unit 121,122,123,124, testing fixture 10A possesses the control device 22 of the job control of the electronic shutter carrying out each ccd video camera 18, but such as, control device 130 can be configured to the job control of the electronic shutter also carrying out each ccd video camera 18, in this case, just without the need to control device 22.
Although the lighting device 100 of present embodiment is formed as the device with 4 side lighting units 121,122,123,124, the number of side lighting unit is not defined as 4.As the number of side lighting unit, the arbitrary number of more than 4 can be selected.But the better number of side lighting unit is 4.In addition, more than each unit of side lighting unit centered by square lighting unit 110, be configured to good in equal circumference angle.
(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, each unit of 4 side lighting units 121,122,123,124 vacates the interval of 90 degree mutually, adjacent with ccd video camera 18, is configured to make a video recording from surrounding to agricultural product 14 in a surface level.
Though side lighting unit 121,122,123,124 and ccd video camera 18 adjacent, but the light axis passed through and the axis that the light that ccd video camera 18 accepts passes through that side lighting unit 121,122,123,124 irradiates can not become parallel, mutually become the position relationship tilted slightly.Therefore, sent by side lighting unit 121,122,123,124, by the light that agricultural product 14 reflect be an inclination angle receive by ccd video camera 18.That is, ccd video camera 18 from side just in the face of agricultural product 14 are made a video recording, can not carry out shooting to agricultural product 14 inevitable slightly obliquely.
The lighting device 200 of present embodiment can solve such problem, and ccd video camera 18 can from side just in the face of agricultural product 14 are made a video recording.
As shown in Figure 2, the lighting device 200 of present embodiment is made up of following part: top lighting unit 210, light shines agricultural product 14 from the top of agricultural product 14; 4 side lighting units 221,222,223,224, light shine from the side of agricultural product 14 agricultural product 14; Control device 130, controls the light quantity being irradiated to the light quantity agricultural product 14 from top lighting unit 210 and being irradiated to from side lighting unit 221,222,223,224 agricultural product 14; And 4 catoptrons 231,232,233,234.
The lighting device 200 of present embodiment, except top lighting unit 210 is different from the structure of side lighting unit 221,222,223,224 and additionally possess except catoptron 231,232,233,234 these 2, has the formation same with the lighting device 100 of the first embodiment.
In addition, in the same manner as the lighting device 100 of the first embodiment, the lighting device 200 of present embodiment forms a part of the testing fixture 10A of the external sort checking agricultural product 14.
As shown in figure 18, the top lighting unit 210 in the lighting device 200 of present embodiment is formed by as the lens 211 of infrared rays receiver and ligthing paraphernalia 212.
Lens 211 have circular section, are installed into and are optically connected with ccd video camera 18.
Ligthing paraphernalia 212 circularizes.The internal diameter doing the ligthing paraphernalia 212 circularized equals the external diameter of lens 211, and ligthing paraphernalia 212 is to be configured in lens 211 around with the mode of lens 211 in concentric arrangement.
Ligthing paraphernalia 212 such as can be made up of LED flashlamp.
Each unit of side lighting unit 221,222,223,224 has same formation with top lighting unit 210.
Have again, different from the situation of the first embodiment, side lighting unit 221,222,223,224 and top lighting unit 210 are configured on the position of sustained height, the catoptron 231,232,233,234 configured accordingly via each unit with side lighting unit 221,222,223,224, light shines on agricultural product 14.
In the lighting device 200 of present embodiment, from the light that each ligthing paraphernalia 212 of top lighting unit 210 and side lighting unit 221,222,223,224 sends, directly or via catoptron 231,232,233,234, be irradiated on agricultural product 14.
Light that sent by top lighting unit 210, that reflected by agricultural product 14 directly receive by the lens 211 of top lighting unit 210, send ccd video camera 18 to.In addition, light that sent by side lighting unit 221,222,223,224, that reflected by agricultural product 14 is via catoptron 231,232,233,234, receive by each lens 211 of side lighting unit 221,222,223,224, send each ccd video camera 18 to.
Like this, according to the lighting device 200 of present embodiment, the light path being turned back to each lens 211 owing to reflecting with the light reaching agricultural product 14 from top lighting unit 210 with the light path that the light that each ligthing paraphernalia 212 of side lighting unit 221,222,223,224 sends passed through before arriving agricultural product 14 is consistent, or owing to becoming parallel, so with top lighting unit 210 and each ccd video camera 18 of configuring of side lighting unit 221,222,223,224 one from front, namely aclinal carrying out shooting to agricultural product 14 becomes possibility.
Further, the lighting device 200 of present embodiment is not limited to above-mentioned formation, various change can be carried out.
Such as, 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 concentric with lens 211, then the external diameter internal diameter of ligthing paraphernalia 212 being set greater than lens 211 is also possible.
In addition, not necessarily make the whole of 4 side lighting units 221,222,223,224 work simultaneously, such as, also only can make 3 work wherein.
Figure 19 is the sequential chart of one of job control that side lighting unit 221,222,223,224 is shown example.
As shown in figure 19, relative to making top lighting unit 210 work all the time, 1 work in 4 side lighting units 221,222,223,224 can not be made, only make remaining 3 work.Such as, when making a video recording to the 1st agricultural product 14, not making side lighting unit 224 work, only making side lighting unit 221,222,223 work.When making a video recording to the 2nd agricultural product 14, not making side lighting unit 223 work, only making side lighting unit 221,222,224 work.When making a video recording to the 3rd agricultural product 14, not making side lighting unit 222 work, only making side lighting unit 221,223,224 work.And then, when making a video recording to the 4th agricultural product 14, not making side lighting unit 221 work, only making side lighting unit 222,223,224 work.By repeating such circulation, when making a video recording to agricultural product 14, make wantonly 3 the side lighting unit work in 4 side lighting units 221,222,223,224.
Like this, by controlling the number carrying out the side lighting unit of work, the total amount of the light quantity from side illumination unit can be controlled.
description of reference numerals
The lighting device of 100 first embodiment of the invention
Lighting unit above in the of 110
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
Lighting unit above in the of 210
211 lens
212 ligthing paraphernalias
221,222,223,224 side lighting units
231,232,233,234 catoptrons.
Claims (16)
1. a lighting device, it uses and light shines on above-mentioned agricultural product in the external sort testing fixture of agricultural product, wherein, the external sort testing fixture of above-mentioned agricultural product light shines on each agricultural product of transporting in a direction, and the external sort of above-mentioned agricultural product is checked based on the reflected light from above-mentioned agricultural product, above-mentioned lighting device comprises:
Top lighting unit, light shines from the top of above-mentioned agricultural product above-mentioned agricultural product;
At least 4 side lighting units, light shine from the side of above-mentioned agricultural product above-mentioned agricultural product; And
Control device, controls from the light quantity of above-mentioned top illumination unit and the light quantity from above-mentioned side illumination unit,
Above-mentioned control device controls the irradiation time of above-mentioned side lighting unit, the illumination of the most strongly affect first of the light that above-mentioned agricultural product are subject to from above-mentioned side illumination unit drop on above-mentioned agricultural product be subject to the illumination of the second point the most strongly affected of the light from above-mentioned top illumination unit ± scope of 10% in.
2. lighting device as claimed in claim 1, is characterized in that,
Above-mentioned control device controls the irradiation time of above-mentioned side lighting unit, makes the illumination at above-mentioned first place become equal 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 controls the total amount of the light quantity from above-mentioned side illumination unit by the number controlling the side lighting unit carrying out work among the lighting unit of above-mentioned side.
4. lighting device as claimed in claim 1 or 2, is characterized in that,
Above-mentioned top lighting unit and above-mentioned side lighting unit at least either party possesses:
Accept the circular infrared rays receiver of the light reflected from above-mentioned agricultural product; And
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 equal with the internal diameter of above-mentioned ligthing paraphernalia.
6. lighting device as claimed in claim 1 or 2, is characterized in that,
Above-mentioned control device controls above-mentioned side lighting unit, makes the irradiation time of above-mentioned side lighting unit in the scope of 3.6 to 6.1 milliseconds.
7. a means of illumination, it light shines on each agricultural product of transporting in a direction and checks in the method for the external sort of above-mentioned agricultural product, the means of illumination light shone on above-mentioned agricultural product based on the reflected light from above-mentioned agricultural product, possesses:
First process, light shines from the top of above-mentioned agricultural product above-mentioned agricultural product; And
Second process, light shines above-mentioned agricultural product from least 4 sides of above-mentioned agricultural product,
In above-mentioned second process, control the time light shone from the side of above-mentioned agricultural product above-mentioned agricultural product, the illumination of the most strongly affect first making above-mentioned agricultural product be subject to the light irradiated from side drop on above-mentioned agricultural product be subject to the illumination of the second point the most strongly affected of the light from top irradiation ± scope of 10% in.
8. means of illumination as claimed in claim 7, is characterized in that,
In above-mentioned second process, control the time light shone from the side of above-mentioned agricultural product above-mentioned agricultural product, make the illumination at above-mentioned first place become equal with the illumination at above-mentioned second point place.
9. means of illumination as claimed in claim 7 or 8, is characterized in that,
In above-mentioned second process, the time above-mentioned agricultural product that light shines from the side of above-mentioned agricultural product is in the scope of 3.6 to 6.1 milliseconds.
10. an external sort testing fixture for agricultural product, it comprises:
Transport parts, transport the agricultural product as inspected body continuously;
Pick-up unit, whenever above-mentioned agricultural product by time detect above-mentioned agricultural product, send detection signal;
Shooting part, makes a video recording from top and side to above-mentioned agricultural product;
Lighting device described in any one of claim 1 to 6; And
Control assembly, according to above-mentioned detection signal, makes above-mentioned shooting part work.
The external sort testing fixture of 11. agricultural product as claimed in claim 10, is characterized in that,
Above-mentioned top lighting unit and above-mentioned side lighting unit at least either party possesses:
Accept the circular infrared rays receiver of the light reflected from above-mentioned agricultural product; And
Ring illumination utensil,
Above-mentioned ligthing paraphernalia is concentric arrangement with above-mentioned infrared rays receiver around above-mentioned infrared rays receiver.
The external sort testing fixture of 12. agricultural product as claimed in claim 11, is characterized in that,
The external diameter of above-mentioned infrared rays receiver is set to equal with the internal diameter of above-mentioned ligthing paraphernalia.
The external sort testing fixture of 13. agricultural product as described in any one of claim 10 to 12, is characterized in that,
Above-mentioned control device controls above-mentioned side lighting unit, makes the irradiation time of above-mentioned side lighting unit in the scope of 3.6 to 6.1 milliseconds.
14. 1 kinds for performing the device of means of illumination, this means of illumination light shines on each agricultural product of transporting in a direction and checks in the method for the external sort of above-mentioned agricultural product, the method light shone on above-mentioned agricultural product based on the reflected light from above-mentioned agricultural product, and said apparatus comprises:
First processing module, it is for light shining above-mentioned agricultural product from the top of above-mentioned agricultural product; And
Second processing module, it light shines above-mentioned agricultural product at least 4 sides from above-mentioned agricultural product,
Above-mentioned second processing module is configured to the time controlling to light shine from the side of above-mentioned agricultural product above-mentioned agricultural product, the illumination of the most strongly affect first making above-mentioned agricultural product be subject to the light irradiated from side drop on above-mentioned agricultural product be subject to the illumination of the second point the most strongly affected of the light from top irradiation ± scope of 10% in.
15. devices as claimed in claim 14, is characterized in that,
Above-mentioned second processing module is configured to the time controlling to light shine from the side of above-mentioned agricultural product above-mentioned agricultural product, makes the illumination at above-mentioned first place become equal with the illumination at above-mentioned second point place.
16. devices as described in claims 14 or 15, is characterized in that,
Above-mentioned second processing module is configured such that from the side of above-mentioned agricultural product and light shines the time above-mentioned agricultural product in the scope of 3.6 to 6.1 milliseconds.
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| Application Number | Priority Date | Filing Date | Title |
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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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| JP (1) | JP5610550B2 (en) |
| KR (1) | KR101740087B1 (en) |
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| JP7383629B2 (en) | 2018-10-10 | 2023-11-20 | 株式会社半導体エネルギー研究所 | Inspection equipment |
| WO2021040409A1 (en) * | 2019-08-27 | 2021-03-04 | 삼성전자 주식회사 | Optical inspection method and apparatus using same |
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| JPS6418048A (en) * | 1987-07-13 | 1989-01-20 | Hitachi Plant Eng & Constr Co | Selection of citrus fruits |
| JP4358918B2 (en) * | 1998-10-01 | 2009-11-04 | 株式会社ニレコ | Cavity fruit judging method and device by visual inspection of Saijo |
| JP2000293666A (en) * | 1999-04-05 | 2000-10-20 | Kubota Corp | Method and device for detecting flaw and recording medium |
| JP2001108623A (en) * | 1999-10-05 | 2001-04-20 | Kubota Corp | Method and apparatus for appearance inspection |
| JP2002205019A (en) * | 2001-01-11 | 2002-07-23 | Daily Foods Kk | Automatic sorting device |
| JP3566215B2 (en) * | 2001-01-17 | 2004-09-15 | 株式会社宝計機製作所 | Agricultural crop handling equipment |
| JP2003014650A (en) * | 2001-06-29 | 2003-01-15 | Nireco Corp | Agricultural products inspection device and inspection method using the same |
| JP2003021598A (en) * | 2001-07-09 | 2003-01-24 | Mitsui Mining & Smelting Co Ltd | Vegetables and fruits evaluation apparatus |
| JP2007033065A (en) * | 2005-07-22 | 2007-02-08 | Nireco Corp | Appearance inspection device and appearance inspection method for agricultural produce |
| JP5213038B2 (en) * | 2008-08-28 | 2013-06-19 | 独立行政法人農業・食品産業技術総合研究機構 | Strawberry quality measuring method and strawberry quality measuring device |
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- 2011-01-21 JP JP2012553536A patent/JP5610550B2/en active Active
- 2011-01-21 CN CN201180035446.2A patent/CN103003687B/en not_active Expired - Fee Related
- 2011-01-21 WO PCT/JP2011/051114 patent/WO2012098682A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2012098682A1 (en) | 2014-06-09 |
| KR101740087B1 (en) | 2017-05-25 |
| CN103003687A (en) | 2013-03-27 |
| KR20130139747A (en) | 2013-12-23 |
| WO2012098682A1 (en) | 2012-07-26 |
| JP5610550B2 (en) | 2014-10-22 |
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