CN108717037A - A kind of non-contact measurement camera - Google Patents

A kind of non-contact measurement camera Download PDF

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Publication number
CN108717037A
CN108717037A CN201810498421.XA CN201810498421A CN108717037A CN 108717037 A CN108717037 A CN 108717037A CN 201810498421 A CN201810498421 A CN 201810498421A CN 108717037 A CN108717037 A CN 108717037A
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CN
China
Prior art keywords
fuselage
polygon
reflective mirror
lens
contact measurement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810498421.XA
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Chinese (zh)
Inventor
蒋宗池
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Weitian Construction Engineering Detection Co Ltd
Original Assignee
Sichuan Weitian Construction Engineering Detection Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Weitian Construction Engineering Detection Co Ltd filed Critical Sichuan Weitian Construction Engineering Detection Co Ltd
Priority to CN201810498421.XA priority Critical patent/CN108717037A/en
Publication of CN108717037A publication Critical patent/CN108717037A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/088Investigating volume, surface area, size or distribution of pores; Porosimetry

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention discloses a kind of non-contact measurement cameras, including single anti-fuselage and camera lens, include that main reflective mirror, secondary reflective mirror, Fresnel focusing screen, collector lens, pentaprism, framing eyepiece, shutter, photosensitive-member and display screen, the photosensitive-member paste transparent film ruler on portrait attachment one side in the anti-fuselage of list.The beneficial effects of the invention are as follows:To the crack on measured object surface can shoot and measure the size in crack in real time, it is accurate that measurement facilitates when object distance is equal to lens focus twice.

Description

A kind of non-contact measurement camera
Technical field
The present invention relates to a kind of camera, especially a kind of non-contact measurement camera, for the crack to measured object surface Etc. features accurately measured, belong to detection instrument technical field.
Background technology
In construction project detection, some building facilities and highway bridge, whether steel construction or concrete structure, all Phenomena such as crack can occur during building use.In order to detect these cracks, conventional means is pacified on unmanned plane at present Remote control shooting device is filled, tremendous contribution is made that for the promotion of work efficiency.But current detection is all simple shooting, not The size for capableing of fracture does an accurate measurement.
Invention content
The goal of the invention of the present invention is:In view of the above problems, a kind of non-contact measurement camera is provided, it will be normal Carry out appropriate reconstruction with slr camera, make its shooting while can also fracture accurately measured.
The first technical solution that the present invention uses:A kind of non-contact measurement camera, including single anti-fuselage and camera lens, institute State in single anti-fuselage include main reflective mirror, secondary reflective mirror, Fresnel focusing screen, collector lens, pentaprism, framing eyepiece, shutter, Photosensitive-member and display screen, the photosensitive-member paste transparent film ruler on portrait attachment one side.
Using the technical program, just film ruler is added in image when photosensitive-member is imaged.When using the present invention, need Ensure that object distance is equal to twice of lens focus, is at this moment imaged the actual size size that size dimension is equal to testee, display screen The image of upper presentation is exactly the photograph that overlaps of measured object and transparent film ruler, and measured object directly can be accurately read after enlarged drawing Accurate scale of the body on transparent film ruler.
Second of technical solution that the present invention uses:A kind of non-contact measurement camera, including single anti-fuselage and camera lens, institute State in single anti-fuselage include main reflective mirror, secondary reflective mirror, Fresnel focusing screen, collector lens, pentaprism, framing eyepiece, shutter, Photosensitive-member and display screen are equal to twice of lens focus when institute on the display screen by being programmed in object distance on SDK platforms The transparent film ruler of full size is shown on the original image of formation.When using the present invention, it is the same to keep up with a technical solution, needs Ensure that object distance is equal to twice of lens focus, is at this moment imaged the actual size size that size dimension is equal to testee, passes through Size of the film ruler presented on programming Control display screen on this image is also identical with actual size size, to realize quilt The photograph that overlaps of object and transparent film ruler is surveyed, testee directly can be accurately read on transparent film ruler after enlarged drawing Accurate scale.
Preferably, the transparent film ruler includes several circle concentric polygon graduated scales, larger polygon graduated scale The smaller polygon graduated scale of number of edges is more, often encloses the minimum micron of each edge scale unit of the polygon graduated scale, most Greatly millimeter.Further preferably, the three circle concentric polygon graduated scale of transparent film ruler setting, every edge lengths of inner ring are Every edge lengths of 1mm, scale unit 0.1mm, centre circle are 2mm, and every edge lengths of scale unit 0.05mm, outer ring are 3mm, Scale unit is 0.02mm.This preferably clear film ruler is suitble to the crack of all directions, need not rotate frequently in shooting process Camera.
It is all made of tight shot in above two technical solution.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows:Camera lens can be equal in object distance When focal length twice, to the crack on measured object surface shoot and measure the size in crack in real time, it is accurate that measurement facilitates.
Description of the drawings
Fig. 1 is the principle schematic diagram of the present invention.
It is marked in figure:1 is camera lens, and 2 be main reflective mirror, and 3 be secondary reflective mirror, and 4 be Fresnel focusing screen, and 5 be collector lens, 6 be pentaprism, and 7 be framing eyepiece, and 8 be shutter, and 9 be transparent film ruler, and 10 be photosensitive-member.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
Embodiment 1:
As shown in Figure 1, a kind of non-contact measurement camera, including single anti-fuselage and camera lens 1, the interior anti-fuselage of list includes main anti- Light microscopic 2, secondary reflective mirror 3, Fresnel focusing screen 4, collector lens 5, pentaprism 6, framing eyepiece 7, shutter 8, photosensitive-member 10 with And display screen, the photosensitive-member 10 paste transparent film ruler 9 on 1 one side of portrait attachment.
The three circle concentric polygon graduated scale of the transparent setting of film ruler 9, every edge lengths of inner ring are 1mm, scale unit Every edge lengths for 0.1mm, centre circle are 2mm, and every edge lengths of scale unit 0.05mm, outer ring are 3mm, and scale unit is 0.02mm。
Embodiment 2:
A kind of non-contact measurement camera, including single anti-fuselage and camera lens 1, it includes main reflective mirror 2 that the anti-fuselage of list is interior, secondary anti- Light microscopic 3, Fresnel focusing screen 4, collector lens 5, pentaprism 6, framing eyepiece 7, shutter 8, photosensitive-member 10 and display screen, institute It is formed by original image and is shown in fact when stating on display screen by being programmed in object distance on SDK platforms equal to twice of lens focus The transparent film ruler 9 of object size.
The three circle concentric polygon graduated scale of the transparent setting of film ruler 9, every edge lengths of inner ring are 1mm, scale unit Every edge lengths for 0.1mm, centre circle are 2mm, and every edge lengths of scale unit 0.05mm, outer ring are 3mm, and scale unit is 0.02mm。

Claims (4)

1. a kind of non-contact measurement camera, including single anti-fuselage and camera lens(1), the interior anti-fuselage of list includes main reflective mirror (2), secondary reflective mirror(3), Fresnel focusing screen(4), collector lens(5), pentaprism(6), framing eyepiece(7), shutter(8), sense Light component(10)And display screen, it is characterised in that:The photosensitive-member(10)By portrait attachment(1)Transparent phenanthrene is pasted on one side Woods ruler(9).
2. a kind of non-contact measurement camera, including single anti-fuselage and camera lens(1), the interior anti-fuselage of list includes main reflective mirror (2), secondary reflective mirror(3), Fresnel focusing screen(4), collector lens(5), pentaprism(6), framing eyepiece(7), shutter(8), sense Light component(10)And display screen, it is characterised in that:It is equal to twice by being programmed in object distance on SDK platforms on the display screen The transparent film ruler that full size is shown on original image is formed by when lens focus(9).
3. a kind of non-contact measurement camera according to claim 1 or 2, it is characterised in that:The transparent film ruler(9) Including several circle concentric polygon graduated scales, the smaller polygon graduated scale of larger polygon graduated scale number of edges is more, often encloses The minimum micron of each edge scale unit of the polygon graduated scale, is up to millimeter.
4. a kind of polygon film ruler according to claim 3, it is characterised in that:The transparent film ruler(9)Setting three Concentric polygon graduated scale is enclosed, every edge lengths of inner ring are 1mm, and every edge lengths of scale unit 0.1mm, centre circle are 2mm, are carved Degree unit is 0.05mm, and every edge lengths of outer ring are 3mm, scale unit 0.02mm.
CN201810498421.XA 2018-05-23 2018-05-23 A kind of non-contact measurement camera Pending CN108717037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810498421.XA CN108717037A (en) 2018-05-23 2018-05-23 A kind of non-contact measurement camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810498421.XA CN108717037A (en) 2018-05-23 2018-05-23 A kind of non-contact measurement camera

Publications (1)

Publication Number Publication Date
CN108717037A true CN108717037A (en) 2018-10-30

Family

ID=63900374

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810498421.XA Pending CN108717037A (en) 2018-05-23 2018-05-23 A kind of non-contact measurement camera

Country Status (1)

Country Link
CN (1) CN108717037A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000013663A (en) * 1998-06-18 2000-01-14 Minolta Co Ltd Digital camera
JP2006197406A (en) * 2005-01-14 2006-07-27 Olympus Imaging Corp Image pickup device
KR20090119452A (en) * 2008-05-16 2009-11-19 삼성디지털이미징 주식회사 Apparatus for measuring the amount of light in apparatus for photographing, and method of measuring the amount of light and photographing images using the apparatus for measuring
CN107421406A (en) * 2017-09-06 2017-12-01 四川为天建设工程检测有限公司 A kind of polygon film chi
CN107589123A (en) * 2017-09-01 2018-01-16 中科慧远视觉技术(洛阳)有限公司 A kind of device for the detection of smart machine protective cover plate outward appearance
CN208334135U (en) * 2018-05-23 2019-01-04 四川为天建设工程检测有限公司 A kind of non-contact measurement camera

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000013663A (en) * 1998-06-18 2000-01-14 Minolta Co Ltd Digital camera
JP2006197406A (en) * 2005-01-14 2006-07-27 Olympus Imaging Corp Image pickup device
KR20090119452A (en) * 2008-05-16 2009-11-19 삼성디지털이미징 주식회사 Apparatus for measuring the amount of light in apparatus for photographing, and method of measuring the amount of light and photographing images using the apparatus for measuring
CN107589123A (en) * 2017-09-01 2018-01-16 中科慧远视觉技术(洛阳)有限公司 A kind of device for the detection of smart machine protective cover plate outward appearance
CN107421406A (en) * 2017-09-06 2017-12-01 四川为天建设工程检测有限公司 A kind of polygon film chi
CN208334135U (en) * 2018-05-23 2019-01-04 四川为天建设工程检测有限公司 A kind of non-contact measurement camera

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