CN203011853U - Multi-light source detection device - Google Patents
Multi-light source detection device Download PDFInfo
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- CN203011853U CN203011853U CN 201220737110 CN201220737110U CN203011853U CN 203011853 U CN203011853 U CN 203011853U CN 201220737110 CN201220737110 CN 201220737110 CN 201220737110 U CN201220737110 U CN 201220737110U CN 203011853 U CN203011853 U CN 203011853U
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Abstract
The utility model relates to a multi-light source detection device. The multi-light source detection device comprises a photographing device, a coaxial light source module, an annular light source module and a side light source module, wherein the coaxial light source module is used for irradiating the central region of the upper surface of an objected to be detected, the annular light source module is used for irradiating the peripheral region of the upper surface of the objected to be detected, the side light source module is used for irradiating the side surface of the objected to be detected, the annular light source module is arranged on one side of the object to be tested, and the side light source module is arranged on one side of the annular light source module, the coaxial light source module is arranged on the other side of the annular light source module, the photographing device is arranged on the same side of the coaxial light source module, a through hole which enables light beams given out by the coaxial light source module to pass and the photographing device to be capable of photographing the object to be tested is arranged in the middle part of the annular light source module, and the signal output end of the photographing device is electrically connected with the signal input end of the image processing device. The multi-light source detection device can be used for rapidly detecting the apparent defect of the object to be detected, can maintain high detection accuracy and is economic, practical, accurate and reliable.
Description
Technical field
The utility model belongs to a kind of multiple light courcess pick-up unit, and particularly a kind of microscopy apparatus that has three class active light sources, is used for obtaining the object under test digital picture belongs to the renovation technique of pick-up unit.
Background technology
In process of production, many times all need whether have defects i.e.cracks to detect to the outward appearance of product.Traditional detection mode is that the testing staff uses the optical systems such as magnifier, microscope to adopt manually-operated mode that determinand is detected, and this detection mode efficient is extremely low, and labor strength is large, error rate is high.
Along with the progress of sensing technology, the digital micromirror device that adopts image processing techniques that product appearance is detected has appearred now.The principle of work of this kind equipment is as follows: object under test is positioned over specific position, then with imageing sensor, it is taken pictures, obtain the digital picture of object under test, by computing machine, image information is processed again, thereby obtain the outward appearance situation data of object under test, thereby judge whether object under test exists defective.The detection efficiency of this detection mode detects than artificial detection efficiency and has improved, but due to the present digital micromirror device active light sources that adopt passive light source or single type more, make the sharpness of the digital picture of obtaining limited, be difficult to judge tiny crack defect, reduced the accuracy of testing result.
Summary of the invention
The technical matters that the utility model solves is to overcome above-mentioned the deficiencies in the prior art, provide a kind of economical and practical, accurately and reliably for detection of the multiple light courcess pick-up unit of determinand open defect.The utility model multiple light courcess pick-up unit can detect object under test open defect situation rapidly, and can keep higher detection accuracy.
technical solution adopted in the utility model is: multiple light courcess pick-up unit of the present utility model, include filming apparatus, the coaxial light source module that is used for the upper surface central area of irradiation object under test, the ring light source module that is used for the upper surface neighboring area of irradiation object under test, the side light source module that is used for the side of irradiation object under test, the ring light source module is installed in a side of object under test, and the side light source module is arranged on a side of ring light source module, the coaxial light source module is arranged on the opposite side of ring light source module, filming apparatus is arranged on the same side of coaxial light source module, and the middle part of ring light source module be provided with can make light beam that the coaxial light source module sends by and make filming apparatus can photograph the through hole of object under test, the signal output part of filming apparatus is electrically connected to the signal input part of image processing apparatus.
The utility model adopts the active light source of coaxial light source module, ring light source module and three kinds of side light source module that object under test is thrown light on.By the side light source module to the illumination of object under test to the side, improve image sensor module to the resolution characteristic of contour of object to be measured, improved the recognition capability of image sensor module to object under test, effectively reduced mistakenly to the non-situation generation that object area to be measured is detected.By coaxial light source module and ring the coordinating of light source module, for the upper surface of object under test provides region-wide uniform illumination, improve the quality that image sensor module obtains the object under test image, made the grade that the judgement precision of the foreign defectives such as crackle is reached 10 μ m.
Description of drawings
Fig. 1 is the skeleton view with the utility model multiple light courcess pick-up unit;
Fig. 2 is the front section view with the utility model multiple light courcess pick-up unit;
Fig. 3 is the coaxial light source module side sectional view with the utility model multiple light courcess pick-up unit.
Embodiment
Embodiment:
Fig. 1, Fig. 2 and Fig. 3 show a kind of embodiment of the utility model multiple light courcess pick-up unit.
As Fig. 1, Fig. 2 and shown in Figure 3, in order to express better the structure of the utility model multiple light courcess pick-up unit, omitted the non-important installation frame of part in figure.
multiple light courcess pick-up unit of the present utility model, include filming apparatus 1, the coaxial light source module 2 that is used for the upper surface central area of irradiation object under test 8, the ring light source module 3 that is used for the upper surface neighboring area of irradiation object under test 8, the side light source module 4 that is used for the side of irradiation object under test 8, ring light source module 3 is installed in a side of object under test 8, and side light source module 4 is arranged on a side of ring light source module 3, coaxial light source module 2 is arranged on the opposite side of ring light source module 3, filming apparatus 1 is arranged on the same side of coaxial light source module 2, and the middle part of ring light source module 3 be provided with can make light beam that coaxial light source module 2 sends by and make filming apparatus 1 can photograph the through hole 7 of object under test 8, the signal output part of filming apparatus 1 is electrically connected to the signal input part of image processing apparatus.
In order to ensure the shooting effect of filming apparatus 1, the geometric center of described filming apparatus 1 set camera overlaps with the optical axis center of the light beam that coaxial light source module 2 is sent.The optical axis center of the light beam that described coaxial light source module 2 is sent overlaps with the geometric center of object under test 8.
In the present embodiment, described ring light source module 3 is provided with the ring light source luminescent body 31 of some ring-shaped distributed, the upper surface neighboring areas that can illuminate object under test 8, and some ring light source luminescent bodies 31 concentrically ringed geometric centers in place overlap with the geometric center of object under test 8.
In order accurately to locate the camera site of filming apparatus 1, also be equiped with the laser calibration module 6 of taking the shooting area of object under test 8 for demarcating filming apparatus 1 on described ring light source module 3.The laser calibration module is to object under test 8 Emission Lasers, and filming apparatus 1 is just taken the position of Ear Mucosa Treated by He Ne Laser Irradiation, and the transmit direction of laser can be according to using needs to regulate, so that filming apparatus 1 is taken the concrete appointed area of object under test 8.In the present embodiment, described image processing apparatus is computing machine; Described filming apparatus 1 is image sensor module.
In the present embodiment, described side light source module 4 is arranged on a side of ring light source module 3 by side light source module carrier 42; Described laser calibration module 6 is arranged on a side of ring light source module 3 by laser calibration module carrier 61.
In the present embodiment, the set some side light source luminophors 41 of described side light source module 4 are arranged on the inboard of side light source module 4; Described some ring light source luminescent bodies 31 are arranged on the side that ring light source module 3 can shine the upper surface neighboring area of object under test 8.
In the present embodiment, described coaxial light source module 2 includes optical mirror slip 21, coaxial luminophor 22, optical lens 23, retaining ring 24 and mount pad 25, wherein optical mirror slip 21 and optical lens 23 are installed on mount pad 25, optical lens 23 is fixed on mount pad 25 by retaining ring 24, mount pad 25 coordinates installation with the through hole 7 of ring on light source module 3, the inner surface of mount pad 25 is provided with several coaxial luminophors 22, the luminous energy directive optical mirror slip 21 that coaxial luminophor 22 sends.
Described optical mirror slip 21 is the half-reflection and half-transmission eyeglass; Described side light source luminophor 41, ring light source luminescent body 31, coaxial luminophor 22 are LED.The light directive optical mirror slip 21 that coaxial luminophor 22 sends, because optical mirror slip 21 is half-reflection and half-transmission eyeglasses, the a part of light reflection that optical mirror slip 21 sends coaxial luminophor 22, then see through the rear directive object under test 8 of optical lens 23 is for object under test 8 upper surface central areas provide illumination.The image of object under test 8 upper surfaces arrives optical mirror slip 21 after regulating by optical lens 23, because optical mirror slip 21 is half-reflection and half-transmission eyeglasses, another part light that coaxial luminophor 22 sends will arrive filming apparatus 1 through optical mirror slip 21, thereby make filming apparatus 1 obtain the image of the upper surface of object under test 8 clearly.
Principle of work of the present utility model is as follows: object under test 8 is placed on the shot region of the utility model active light source digital microscope, coaxial light source module 2, ring light source module 3 and 4 three kinds of active light sources of side light source module are opened, for object under test 8 provides illumination, wherein: the Main Function of side light source module 4 is sides of illuminating object under test 8, improves the resolution characteristic of 1 pair of object under test 8 profile of filming apparatus; The Main Function of ring light source module 3 is upper surface neighboring areas of illuminating object under test 8, the Main Function of coaxial light source module 2 is upper surface central areas of illuminating object under test 8, and coaxial light source module 2 and ring light source module 3 provide region-wide uniform illumination for the upper surface of object under test 8.After the brightness of illumination of coaxial light source module 2, ring light source module 3 and 4 pairs of objects under test 8 of side light source module is suitable, 1 pair of object under test 8 of computer control filming apparatus is taken pictures, control filming apparatus 1 digital picture that obtains is delivered to computing machine, by computing machine, image is analyzed, obtained the case of surface defects of object under test 8.Laser calibration module 6 is to object under test 8 Emission Lasers, and the transmit direction of laser can be regulated, for the zone of demarcating, 1 pair of object under test 8 of indicating image sensor assembly is taken.
The above has done detailed description to embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-described embodiment, in the ken that one skilled in the relevant art possesses, and can also be to its many variations of making.
Claims (10)
1. multiple light courcess pick-up unit, it is characterized in that including filming apparatus (1), the coaxial light source module (2) that is used for the upper surface central area of irradiation object under test (8), the ring light source module (3) that is used for the upper surface neighboring area of irradiation object under test (8), the side light source module (4) that is used for the side of irradiation object under test (8), ring light source module (3) is installed in a side of object under test (8), and side light source module (4) is arranged on a side of ring light source module (3), coaxial light source module (2) is arranged on the opposite side of ring light source module (3), filming apparatus (1) is arranged on the same side of coaxial light source module (2), and the middle part of ring light source module (3) be provided with can make light beam that coaxial light source module (2) sends by and make filming apparatus (1) can photograph the through hole (7) of object under test (8), the signal output part of filming apparatus (1) is electrically connected to the signal input part of image processing apparatus.
2. multiple light courcess pick-up unit according to claim 1, it is characterized in that: the geometric center of the set camera of described filming apparatus (1) overlaps with the optical axis center of the light beam that coaxial light source module (2) is sent.
3. multiple light courcess pick-up unit according to claim 1, it is characterized in that: the optical axis center of the light beam that described coaxial light source module (2) is sent overlaps with the geometric center of object under test (8).
4. multiple light courcess pick-up unit according to claim 1, it is characterized in that: described ring light source module (3) is provided with the ring light source luminescent body (31) of some ring-shaped distributed, the upper surface neighboring areas that can illuminate object under test (8), and the concentrically ringed geometric center in some ring light source luminescent bodies (31) place overlaps with the geometric center of object under test (8).
5. multiple light courcess pick-up unit according to claim 1, is characterized in that: also be equiped with the laser calibration module (6) of taking the shooting area of object under test (8) for demarcating filming apparatus (1) on described ring light source module (3).
6. multiple light courcess pick-up unit according to claim 1, it is characterized in that: described image processing apparatus is computing machine; Described filming apparatus (1) is image sensor module.
7. multiple light courcess pick-up unit according to claim 1 is characterized in that: described side light source module (4) is arranged on a side of ring light source module (3) by side light source module carrier (42); Described laser calibration module (6) is arranged on a side of ring light source module (3) by laser calibration module carrier (61).
8. multiple light courcess pick-up unit according to claim 1, it is characterized in that: the set some side light source luminophors (41) of described side light source module (4) are arranged on the inboard of side light source module (4); Described some ring light source luminescent bodies (31) are arranged on the side that ring light source module (3) can shine the upper surface neighboring area of object under test (8).
9. multiple light courcess pick-up unit according to claim 1, it is characterized in that: described coaxial light source module (2) includes optical mirror slip (21), coaxial luminophor (22), optical lens (23), retaining ring (24) and mount pad (25), wherein optical mirror slip (21) and optical lens (23) are installed on mount pad (25), optical lens (23) is fixed on mount pad (25) by retaining ring (24), mount pad (25) coordinates installation with through hole (7) on ring light source module (3), optical mirror slip (21), the inner surface of mount pad (25) is provided with several coaxial luminophors (22).
10. multiple light courcess pick-up unit according to claim 2, it is characterized in that: described optical mirror slip (21) is the half-reflection and half-transmission eyeglass; Described side light source luminophor (41), ring light source luminescent body (31), coaxial luminophor (22) are LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737110 CN203011853U (en) | 2012-12-28 | 2012-12-28 | Multi-light source detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737110 CN203011853U (en) | 2012-12-28 | 2012-12-28 | Multi-light source detection device |
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| CN203011853U true CN203011853U (en) | 2013-06-19 |
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| CN 201220737110 Expired - Lifetime CN203011853U (en) | 2012-12-28 | 2012-12-28 | Multi-light source detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076337A (en) * | 2012-12-28 | 2013-05-01 | 罗炳军 | Multiple light source detection device |
| CN105301013A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | LCD bare chip detection unit framework and detection method |
| WO2017028600A1 (en) * | 2015-08-17 | 2017-02-23 | 杭州思看科技有限公司 | Light filtering and supplementing structure for hand-held laser three-dimensional scanner |
| CN109991166A (en) * | 2019-03-19 | 2019-07-09 | 深圳市派科斯科技有限公司 | Equipment for product appearance defect detection and combinations thereof light supply apparatus, method |
-
2012
- 2012-12-28 CN CN 201220737110 patent/CN203011853U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076337A (en) * | 2012-12-28 | 2013-05-01 | 罗炳军 | Multiple light source detection device |
| WO2017028600A1 (en) * | 2015-08-17 | 2017-02-23 | 杭州思看科技有限公司 | Light filtering and supplementing structure for hand-held laser three-dimensional scanner |
| CN105301013A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | LCD bare chip detection unit framework and detection method |
| CN109991166A (en) * | 2019-03-19 | 2019-07-09 | 深圳市派科斯科技有限公司 | Equipment for product appearance defect detection and combinations thereof light supply apparatus, method |
| CN109991166B (en) * | 2019-03-19 | 2021-08-03 | 深圳市派科斯科技有限公司 | Equipment for detecting product appearance defects and combined light source device and method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160107 Address after: Four street 510730 Guangdong city of Guangzhou province Guangzhou science and Technology Park Development Road No. 2 601 Sapphire Patentee after: GUANGZHOU JUSEN AUTOMATION EQUIPMENT Co.,Ltd. Address before: Four street 510730 Guangdong city of Guangzhou province Guangzhou science and Technology Park Development Road No. 2 601 Sapphire Patentee before: Luo Bingjun |
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| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |