CN102927927A - Infinitesimal displacement amplifying method - Google Patents
Infinitesimal displacement amplifying method Download PDFInfo
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- CN102927927A CN102927927A CN2012104886794A CN201210488679A CN102927927A CN 102927927 A CN102927927 A CN 102927927A CN 2012104886794 A CN2012104886794 A CN 2012104886794A CN 201210488679 A CN201210488679 A CN 201210488679A CN 102927927 A CN102927927 A CN 102927927A
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Abstract
The invention discloses an infinitesimal displacement amplifying method which comprises a focusing light source, a deformed object, a lens and an angle measuring instrument; and by measuring the displacement of the deformed object relative to the lens, the angle of the lens is changed so as to enable the refraction angle of the light penetrating through the lens to be changed, and the infinitesimal displacement of deformation can be measured through the change of the angle. According to the invention, distance measurement can be achieved through angle measurement, so that the infinitesimal displacement of the deformed object can be measured, and the method has the characteristics of simple tools and simple and convenient method.
Description
Technical field
The invention belongs to the mechanical deformation fields of measurement, particularly a kind of micro-displacement amplification method.
Background technology
Traditional elastic deformation measuring method mainly adopts pulling method, measures elastic deformation by the mode of range finding, and the defective of the method is.Survey instrument and measuring process more complicated, and the characteristic that the conversion of scioptics angle and deformation have functional relation can realize by the mode of measuring angle range finding, thereby measure the miniature deformation of object.
Summary of the invention
Order of the present invention is to provide a kind of micro-displacement amplification method.
The technical scheme that realizes above-mentioned purpose is: a kind of micro-displacement amplification method, comprise focused light source, changing object, lens and angel measuring instrument, and wherein, changing object is near the lens below, and focused light source is in the lens dead ahead.
Above-mentioned a kind of micro-displacement amplification method, wherein, the light beam irradiates of described focused light source emission is the lens point of fixity to the transmission point on the lens, lens can be around the rotation of lens point of fixity.
Above-mentioned a kind of micro-displacement amplification method, wherein, described lens point of fixity is L to the distance of described changing object and described lens contact point, the dependent variable that described changing object produces strain is X, deformation produces acting force in described changing object and described lens contact point, so that described lens are measured to get anglec of rotation α around the lens point of fixity anglec of rotation with described angel measuring instrument, tg α=X/L can get the dependent variable X=L that changing object produces strain * tg α.
The present invention realizes range finding by the mode of measuring angle, thereby measures the micro-displacement of object deformation, has the advantages that instrument is simple, method is easy.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
See also Fig. 1, provided a kind of micro-displacement amplification method among the figure, comprise focused light source, changing object, lens and angel measuring instrument, wherein, changing object is near the lens below, focused light source is in the lens dead ahead, and the light beam irradiates of focused light source emission is the lens point of fixity to the transmission point on the lens, and lens can be around the rotation of lens point of fixity.
The lens point of fixity is L=10cm to the distance of changing object and lens contact point, the dependent variable that described changing object produces strain is X, deformation produces acting force in described changing object and described lens contact point, so that described lens are around the lens point of fixity anglec of rotation, measure to get anglec of rotation α=2 ° with described angel measuring instrument, tg α=X/L can get the dependent variable X=L that changing object produces strain * tg α=0.3cm.
Below embodiment has been described in detail the present invention by reference to the accompanying drawings, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not consist of limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (3)
1. a micro-displacement amplification method is characterized in that, comprises focused light source, changing object, lens and angel measuring instrument, and wherein, changing object is near the lens below, and focused light source is in the lens dead ahead.
2. a kind of micro-displacement amplification method according to claim 1 is characterized in that, the light beam irradiates of described focused light source emission is the lens point of fixity to the transmission point on the lens, and lens can be around the rotation of lens point of fixity.
3. a kind of micro-displacement amplification method according to claim 1, it is characterized in that, described lens point of fixity is L to the distance of described changing object and described lens contact point, the dependent variable that described changing object produces strain is X, deformation produces acting force in described changing object and described lens contact point, so that described lens are around the lens point of fixity anglec of rotation, measure to get anglec of rotation α with described angel measuring instrument, tg α=X/L can get the dependent variable X=L that changing object produces strain * tg α.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104886794A CN102927927A (en) | 2012-11-26 | 2012-11-26 | Infinitesimal displacement amplifying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104886794A CN102927927A (en) | 2012-11-26 | 2012-11-26 | Infinitesimal displacement amplifying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102927927A true CN102927927A (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012104886794A Pending CN102927927A (en) | 2012-11-26 | 2012-11-26 | Infinitesimal displacement amplifying method |
Country Status (1)
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| CN (1) | CN102927927A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091771A (en) * | 2015-05-25 | 2015-11-25 | 合肥工业大学 | Apparatus for measuring micro-deformation of connecting rod based on displacement amplification principle |
| CN106524951A (en) * | 2016-12-07 | 2017-03-22 | 福建福晶科技股份有限公司 | Method and apparatus for measuring parallelism of germanium window plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708231A (en) * | 1969-11-10 | 1973-01-02 | G Walters | Precision angle measuring device |
| JPH09145313A (en) * | 1995-11-27 | 1997-06-06 | Nikon Corp | Optical lever-type displacement detector |
| CN1632462A (en) * | 2004-12-28 | 2005-06-29 | 天津大学 | Triangle method range error compensation method based on angular measurement |
| CN101344383A (en) * | 2008-09-01 | 2009-01-14 | 扬州大学 | Laser amplifying measurement method for bending structure deformation |
| CN202093188U (en) * | 2011-06-28 | 2011-12-28 | 太仓椿盟链传动有限公司 | Chain roller and sleeve missing detector |
-
2012
- 2012-11-26 CN CN2012104886794A patent/CN102927927A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708231A (en) * | 1969-11-10 | 1973-01-02 | G Walters | Precision angle measuring device |
| JPH09145313A (en) * | 1995-11-27 | 1997-06-06 | Nikon Corp | Optical lever-type displacement detector |
| CN1632462A (en) * | 2004-12-28 | 2005-06-29 | 天津大学 | Triangle method range error compensation method based on angular measurement |
| CN101344383A (en) * | 2008-09-01 | 2009-01-14 | 扬州大学 | Laser amplifying measurement method for bending structure deformation |
| CN202093188U (en) * | 2011-06-28 | 2011-12-28 | 太仓椿盟链传动有限公司 | Chain roller and sleeve missing detector |
Non-Patent Citations (1)
| Title |
|---|
| 王东升等: "金属丝杨氏模量的测量方法", 《金属制品》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091771A (en) * | 2015-05-25 | 2015-11-25 | 合肥工业大学 | Apparatus for measuring micro-deformation of connecting rod based on displacement amplification principle |
| CN106524951A (en) * | 2016-12-07 | 2017-03-22 | 福建福晶科技股份有限公司 | Method and apparatus for measuring parallelism of germanium window plate |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |