CN104677316A - Detection device - Google Patents
Detection device Download PDFInfo
- Publication number
- CN104677316A CN104677316A CN201410588975.0A CN201410588975A CN104677316A CN 104677316 A CN104677316 A CN 104677316A CN 201410588975 A CN201410588975 A CN 201410588975A CN 104677316 A CN104677316 A CN 104677316A
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- image
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- length direction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
A detection device (1) comprises: an image generation part (20) emitting light to an object (W) comprising a body (A) and a rodlike object (S) inserted in the body (A) and generating a light penetrating image (P) according to light penetrating the object (W); a first direction calculator (22) calculating the length direction (D1) of the body (A) according to the generated light penetrating image (P); a second direction calculator (24) calculating the length direction (D2) of the rodlike object (S) according to the generated light penetrating image (P); an angle calculator (26) calculating the angle (theta) between the length direction (D1) of the body (A) obtained by the first direction calculator (22) and the length direction of the rodlike object (S) obtained by the second direction calculator (24); and a detection part (28) detecting the deviation of the insertion direction of the rodlike object (S) relative to the body (A) according to the calculated angle (theta).
Description
Technical field
The present invention relates to testing fixture.
Background technology
As existing testing fixture, the testing fixture recorded in known a kind of such as patent documentation 1.The testing fixture recorded in patent documentation 1 comprises: image unit, makes a video recording to the shape image of examination volume; Graphics processing unit, carries out the shape inspection of examination volume based on the shape decision index obtained by image procossing, wherein, the shape of above-mentioned image procossing Shape-based interpolation image checks criterion; And shape decision standard adjustment unit, compare shape decision index and indicators standard value, and check criterion according to this comparative result adjustment shape.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2003-28633 publication
Summary of the invention
The technical matters that invention will solve
But, such as, the article with the shape being inserted with club in main body as ice cream etc., the straight insertion main body of preferred club.Therefore, in factory etc., before shipment etc., need to check the whether straight insertion main body of club.But, in existing testing fixture, the inspection of club relative to the state of main body is not inquired into, therefore, the deviation (inclination) of club relative to main part can not be checked.
The object of the invention is to, a kind of testing fixture of direction of insertion relative to the deviation of main body that can check club to the article being inserted with club in main body is provided.
The scheme of technical solution problem
Testing fixture according to an aspect of the present invention, comprising: image production part, and to article irradiation light, and generate light therethrough image according to the light through these article, above-mentioned article have main body and are inserted into the club of this main body; First direction calculating part, according to the light therethrough image generated by image production part, tries to achieve the length direction of main body; Second direction calculating part, according to the light therethrough image generated by image production part, tries to achieve the length direction of club; Angle calculation portion, obtains the length direction of the main body of being tried to achieve by first direction calculating part and the length direction angulation of the club of being tried to achieve by second direction calculating part; And inspection portion, according to the angle of being tried to achieve by angle calculation portion, check the deviation of direction of insertion relative to main body of club.
In this testing fixture, individually try to achieve the length direction of main body and the length direction of club, and try to achieve the length direction of main body and the length direction angulation of club, check the deviation of direction of insertion relative to main body of club according to this angle.Thus, in testing fixture, such as can in whether straight insertion main bodys of middle inspection club such as ice creams.Its result, can carry out bad judgement to article in testing fixture.
In one embodiment, first direction calculating part and second direction calculating part also can detect the throughput direction of conveying article, and are benchmark with throughput direction, try to achieve the length direction of main body and the length direction of club respectively.Like this, in testing fixture, due to the throughput direction of article for benchmark tries to achieve the length direction of main body and the length direction of club, so the length direction of main body and the length direction of club carried by conveyer etc. can be tried to achieve rapidly and exactly.
In one embodiment, image production part also to the X ray of article irradiation as light, and can generate X-ray transparent image.Thus, in testing fixture, even if such as when article are by package body packagings such as aluminium, the X-ray transparent image accurately capturing contoured article also can be generated.Its result, in testing fixture, can both check the deviation of direction of insertion relative to main body of club for the article with various packaged form.
In one embodiment, article are the article being inserted with rod in ice cream.Testing fixture is effective especially for the inspection of the article being inserted with club in ice cream.In addition, as article, as long as the article being inserted with club in main body as ice lolly, frankfurter or corn dog, then the inspection of testing fixture just effectively.
Invention effect
According to the present invention, the deviation of direction of insertion relative to main body of club can be checked to the article being inserted with club in main body.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the outward appearance of the testing fixture illustrated according to an embodiment.
Fig. 2 is the stereographic map of the inside of the shielded box that the testing fixture shown in Fig. 1 is shown.
Fig. 3 is the figure of the functional formation that testing fixture is shown.
Fig. 4 is the figure that the image generated by image production part is shown.
Fig. 5 is the figure that the image generated by first direction calculating part is shown.
Fig. 6 is the figure that the image generated by first direction calculating part is shown.
Fig. 7 is the figure that the image generated by first direction calculating part is shown.
Fig. 8 is the figure that the image generated by second direction calculating part is shown.
Fig. 9 is the figure that the image generated by second direction calculating part is shown.
Figure 10 is the figure that the image generated by second direction calculating part is shown.
Figure 11 is the figure that the length direction of ice cream and the length direction angulation of rod are shown.
Embodiment
Below, with reference to accompanying drawing, the preferred embodiment of the present invention is described in detail.In addition, in the description of the drawings identical symbol is marked to identical or suitable ingredient and the repetitive description thereof will be omitted.
Fig. 1 is the stereographic map of the outward appearance of the testing fixture illustrated according to an embodiment.Testing fixture 1 shown in Fig. 1 is the device checked in the quality of the enterprising product of doing business of the production line of the commodity such as food.The commodity irradiation light that testing fixture 1 pair of continus convergence comes, and the bad judgement carrying out commodity based on the transit dose of the light through commodity.In the present embodiment, use X ray as light, testing fixture 1 is configured to X ray checking device.In addition, in the present embodiment, as shown in Figure 4, commodity (article) W forms by rod (club) S of wooden flat is inserted ice cream (main body) A, such as, be packaged in sack.
Fig. 2 is the perspective interior view of the shielded box of the testing fixture shown in Fig. 1.Fig. 3 is the figure of the functional formation that testing fixture is shown.As shown in Figures 1 and 2, testing fixture 1 comprises shielded box 3, conveyer 5, x-ray irradiation device (image production part) 7, X ray line sensor (image production part) 9 and monitor 11.In addition, as shown in Figure 3, testing fixture 1 comprises image production part 20, first direction calculating part 22, second direction calculating part 24, angle calculation portion 26 and inspection portion 28 as functional formation.Pick-up unit (not shown) is configured to comprise CPU (Central Processing Unit: CPU (central processing unit)), RAM (Random Access Memory: random access memory) and ROM (Read Only Memory: ROM (read-only memory)) etc.Image production part 20, first direction calculating part 22, second direction calculating part 24, angle calculation portion 26 and inspection portion 28 are performed as program.
Conveyer 5, x-ray irradiation device 7 and X ray line sensor 9 etc. are accommodated in the inside of shielded box 3.As shown in Figure 1, be provided with in the two sides of shielded box 3 for sending into commodity W or send the peristome 3a of commodity W in shielded box 3 in shielded box 3.Peristome 3a is used to suppress X ray to block to the blind (not shown) of the External leakage of shielded box 3.Blind is such as formed by containing plumbous rubber.
Conveyer 5 is transportation commodity W in shielded box 3.As shown in Figure 1, conveyer 5 is configured in the peristome 3a formed in the two sides of shielded box 3.By being made endless belt rotate by the motor-driven driven roller of not shown conveyer, thus the commodity W placed on tape carried by conveyer 5.
X-ray irradiation device 7 X-ray irradiation.X-ray irradiation device 7 is configured in the top of conveyer 5, towards the X ray line sensor 9 be configured in below conveyer 5 at fan-shaped range of exposures X internal radiation X ray.In the present embodiment, to be placed with wide of ice cream A on conveyer 5 relative with zone face for commodity W.X-ray irradiation device 7 from wide the direction intersected with ice cream A to commodity W X-ray irradiation.
X ray line sensor 9 detects X ray.X ray line sensor 9 is configured in the below of conveyer 5, detects the X ray through commodity W and/or conveyer 5.As shown in Figure 2, X ray line sensor 9 is by along the direction orthogonal with the throughput direction of conveyer 5, the element sensor 9a configured point-blank is formed.X ray line sensor 9 exports the X-ray transparent picture signal of the transit dose representing the X ray detected by element sensor 9a to image production part 20.
Monitor 11 is liquid crystal display.The picture of the input of the inspection parameter that monitor 11 display reminding operator uses when carrying out initial setting, inspection etc.Monitor 11 has touch screen function, the input of the inspection parameter used when the initial setting that reception operator carries out, inspection.In addition, the check result of monitor 11 display of commodity W.
Image production part 20 generates X-ray transparent image (light therethrough image) according to the X ray through commodity W.If image production part 20 receives the X-ray transparent picture signal exported from X ray line sensor 9, then as shown in Figure 4, X-ray transparent image P is generated according to X-ray transparent picture signal.The image information of the X-ray transparent image P of generation exports to first direction calculating part 22 and second direction calculating part 24 by image production part 20.
First direction calculating part 22, according to the X-ray transparent image generated by image production part 20, tries to achieve the length direction of ice cream A.If first direction calculating part 22 receives the image information exported from image production part 20, then binary conversion treatment is implemented to the X-ray transparent image P that this image information represents, as shown in Figure 5, generate the image P1 that the part of ice cream A is only shown.Binary conversion treatment be set as " black " when the brightness value of X-ray transparent image P is more than the threshold value preset and not enough threshold value time be set as the process of " in vain ".First direction calculating part 22 once generate the image P1 implementing binary conversion treatment, then carries out such as rectangle fitting (rectangle Off ィ ッ テ ィ Application グ) at this image P 1, and as shown in Figure 6, creates the quadrilateral F representing ice cream part A.
Be specially, first direction calculating part 22 creates the quadrilateral F representing ice cream part A by Rotating Calipers (rotation is got stuck) method.In Rotating Calipers method, ice cream A is captured as polygon and periphery along ice cream A makes parallel lines rotate, derive minimum quadrilateral (rectangle) and generate the quadrilateral F representing ice cream part A.First direction calculating part 22 once generate quadrilateral F, then obtains the throughput direction D (above-below direction in Fig. 7) of conveyer 5, using this throughput direction D as benchmark, as shown in Figure 7, tries to achieve the length direction D1 of ice cream A.In detail, first direction calculating part 22 tries to achieve throughput direction D and the direction direction of long limit (or the along) angulation of minor face being orthogonal to quadrilateral F, and from then on angle tries to achieve the length direction D1 of ice cream A.First direction calculating part 22 exports the first direction information of the length direction D1 representing the ice cream A calculated to angle calculation portion 26.In addition, first direction calculating part 22 exports the image P1 generated to second direction calculating part 24.
Second direction calculating part 24 tries to achieve the length direction of excellent S according to the X-ray transparent image P generated by image production part 20.If second direction calculating part 24 receives the image information exported from image production part 20, then binary conversion treatment is implemented to the X-ray transparent image P represented by this image information, as shown in Figure 8, generate the image P2 that ice cream A and excellent S are shown.The binary conversion treatment implemented by second direction calculating part 24 is different from the binary conversion treatment implemented by first direction calculating part 22, sets larger than the threshold value of first direction calculating part 22 by the value of the threshold value of brightness value.
Second direction calculating part 24, according to the image P2 generated and the image P1 generated by first direction calculating part 22, as shown in Figure 9, generates the image P3 that excellent S is only shown.In detail, second direction calculating part 24 gets the XOR of image P1 and image P2, and carries out removal noise processed, thus synthetic image P3.That is, the part repeated in second direction calculating part 24 deleted image P1 and image P2, generates the image P3 that excellent S is only shown.
Second direction calculating part 24 once synthetic image P3, then obtains the throughput direction of conveyer 5, and using this throughput direction D as benchmark, as shown in Figure 10, tries to achieve the length direction D2 of excellent S.In detail, second direction calculating part 24 tries to achieve the bearing of trend angulation of throughput direction D and excellent S, and from then on angle tries to achieve the length direction D2 of excellent S.The second direction information of the length direction D2 representing the excellent S calculated exports to angle calculation portion 26 by second direction calculating part 24.
Angle calculation portion 26 tries to achieve the length direction D1 of the ice cream A obtained by first direction calculating part 22 and the length direction D2 angulation of the excellent S obtained by second direction calculating part 24.If angle calculation portion 26 receives the first direction information exported from first direction calculating part 22 and the second direction information exported from second direction calculating part 24, then as shown in figure 11, the length direction D1 represented by first direction information and the length direction D2 angulation θ represented by second direction information is calculated.Angle calculation portion 26 will represent that the angle information of the angle θ calculated exports to inspection portion 28.
Inspection portion 28, according to the angle obtained by angle calculation portion 26, checks the deviation of the direction of insertion of excellent S relative to ice cream A.If inspection portion 28 receives the angle information exported from angle calculation portion 26, then judge the deviation of the direction of insertion of excellent S relative to ice cream A according to this angle information.Particularly, when the angle θ represented by angle information is below the threshold value that presets, inspection portion 28 judges that ice cream A is consistent with the direction of excellent S, i.e. excellent S straight insertion ice cream A, and is judged to be non-defective unit.On the contrary, when the angle θ represented by angle information is larger than threshold value, inspection portion 28 judges that the direction of ice cream A and excellent S is inconsistent, and namely, such as excellent S inserts ice cream A with departing from (inclination), and be judged to be substandard products.Inspection portion 28 will represent that the object information of check result exports to monitor 11.The check result exported from inspection portion 28 is presented on picture by monitor 11.
As described above, the length direction D1 of ice cream A and the length direction D2 of excellent S individually tried to achieve by testing fixture 1 according to the present embodiment, and try to achieve the length direction D1 of ice cream A and the length direction D2 angulation θ of excellent S, check the deviation of the direction of insertion of excellent S relative to ice cream A according to this angle θ.Thus, in testing fixture 1, excellent S whether straight insertion ice cream A can be checked.Its result, in testing fixture 1, can carry out the bad judgement of commodity W.
In the present embodiment, first direction calculating part 22 and second direction calculating part 24 detect the throughput direction D of transportation commodity W, and with throughput direction D for benchmark, try to achieve the length direction D1 of ice cream A and the length direction D2 of excellent S respectively.Like this, in testing fixture 1, due to the throughput direction D of commodity W for benchmark tries to achieve the length direction D1 of ice cream A and the length direction D2 of excellent S, so the length direction D1 of the ice cream A carried by the conveyer 5 and length direction D2 of excellent S can be tried to achieve rapidly and exactly.
In the present embodiment, image production part 20 to commodity W X-ray irradiation, and generates X-ray transparent image P according to the X ray through commodity W.Thus, in testing fixture 1, even if such as when commodity W is packaged in the package bodies such as aluminium, the X-ray transparent image P of the shape accurately capturing commodity W also can be generated.Its result, in testing fixture 1, can both check the deviation of the direction of insertion of excellent S relative to ice cream A for the commodity W with various packaged form.
The invention is not restricted to above-mentioned embodiment.Such as, in the above-described embodiment, the example using X ray as light is illustrated, but light also can be visible ray, near infrared ray, ultraviolet, THz wave etc.The corresponding commodity W as check object of light suitably sets.
In the above-described embodiment, in first direction calculating part 22 and second direction calculating part 24 respectively with throughput direction D for benchmark calculates length direction D1 and D2, but first direction calculating part 22 and second direction calculating part 24 also can not use throughput direction D to respectively computational length direction D1 and D2.
In the above-described embodiment, first direction calculating part 22 generates the quadrilateral F of expression ice cream part A and carries out rectangle fitting and calculate length direction D1, but for matching, such as, also can adopt ellipse.
In the above-described embodiment, be used as commodity W be illustrated to be inserted with excellent S in ice cream A, but commodity W also can be ice lolly, frankfurter (Off ラ Application Network Off Le ト) or corn dog (ア メ リ カ Application De ッ Network) etc.As the main body of commodity W, preferably it is integrated.In addition, be wooden formation with excellent S be that an example is illustrated, but excellent S also can be formed by bamboo, paper, metal, plastic or other material.Also there is no particular limitation for the shape of rod S.
Symbol description
1 testing fixture, 7X radiation exposure device (image production part), 9X ray line sensor (image production part), 20 image production parts, 22 first direction calculating parts, 24 second direction calculating parts, 26 angle calculation portion, 28 inspection portions, A ice cream (main body), S rod (club), W commodity (article), θ angle.
Claims (4)
1. a testing fixture, is characterized in that, comprising:
Image production part, to article irradiation light, and generate light therethrough image according to the described light through these article, described article have main body and are inserted into the club of this main body;
First direction calculating part, according to the described light therethrough image generated by described image production part, tries to achieve the length direction of described main body;
Second direction calculating part, according to the described light therethrough image generated by described image production part, tries to achieve the length direction of described club;
Angle calculation portion, obtains the length direction of the described main body of being tried to achieve by described first direction calculating part and the length direction angulation of the described club of being tried to achieve by described second direction calculating part; And
Inspection portion, according to the described angle of being tried to achieve by described angle calculation portion, checks the deviation of the direction of insertion of described club relative to described main body.
2. testing fixture according to claim 1, is characterized in that,
Described first direction calculating part and described second direction calculating part detect the throughput direction of the described article of conveying, and with described throughput direction for benchmark, try to achieve the length direction of described main body and the length direction of described club respectively.
3. testing fixture according to claim 1 and 2, is characterized in that,
Described image production part irradiates the X ray as described light to described article, and generates X-ray transparent image.
4. testing fixture according to any one of claim 1 to 3, is characterized in that,
Described article are the article being inserted with rod in ice cream.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013244918A JP6225002B2 (en) | 2013-11-27 | 2013-11-27 | Inspection device |
| JP2013-244918 | 2013-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104677316A true CN104677316A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410588975.0A Pending CN104677316A (en) | 2013-11-27 | 2014-10-28 | Detection device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6225002B2 (en) |
| CN (1) | CN104677316A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168475A (en) * | 2017-12-18 | 2018-06-15 | 中国航发贵州黎阳航空动力有限公司 | The measuring method of transporter burner inner liner shaped air film hole Special angle |
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| CN108168475A (en) * | 2017-12-18 | 2018-06-15 | 中国航发贵州黎阳航空动力有限公司 | The measuring method of transporter burner inner liner shaped air film hole Special angle |
| CN108168475B (en) * | 2017-12-18 | 2020-07-21 | 中国航发贵州黎阳航空动力有限公司 | Method for measuring special-shaped angle of special-shaped air film hole of flame tube of conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6225002B2 (en) | 2017-11-01 |
| JP2015102493A (en) | 2015-06-04 |
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Application publication date: 20150603 |