CN102589484A - Autocollimation indication error detection method and device using same - Google Patents

Autocollimation indication error detection method and device using same Download PDF

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Publication number
CN102589484A
CN102589484A CN2012100376858A CN201210037685A CN102589484A CN 102589484 A CN102589484 A CN 102589484A CN 2012100376858 A CN2012100376858 A CN 2012100376858A CN 201210037685 A CN201210037685 A CN 201210037685A CN 102589484 A CN102589484 A CN 102589484A
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China
Prior art keywords
autocollimator
indication
digital
light
error
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CN2012100376858A
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Chinese (zh)
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CN102589484B (en
Inventor
赵东升
贾敏强
孙会庆
曾琰莹
张瑞锋
张健
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山东省计量科学研究院
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Publication of CN102589484A publication Critical patent/CN102589484A/en
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Abstract

The invention discloses an autocollimation indication error detection method which comprises the following steps of: measuring the angle indicated by a measured autocollimation (2) through a digital collimation system (4); transmitting the angle indicated by the detected autocollimation to the digital collimation system through a dual-plane reflecting mirror which can be used for transmitting the same angle value; adjusting the measured autocollimation to enable the detected autocollimation to generate angle value change of a plurality of measuring points, thereby measuring a plurality of corresponding angle value changes by the digital collimation system; taking the difference between every two angle value changes to obtain indication errors of a plurality of detection points; and taking the difference between a maximum value and a minimum value of the plurality of indication values as a final result of the indication error of the measured autocollimation. The invention also discloses a device using the autocollimation indication error detection method. According to the device disclosed by the invention, a photoelectric technology forms the digital collimation system for measuring the indication of the measured autocollimation; the indication errors of a measured autocollimation light tube are calculated by a data record and calculation system; and according to the device, manual reading, recording and calculating are avoided, so that the detection efficiency and accuracy are increased.

Description

Autocollimator error of indication detection method and use the device of this method
Technical field
The present invention relates to the apparatus measures field, especially autocollimator error of indication pick-up unit and method.
Background technology
Autocollimator is a kind of precision measuring instrument that is used for small angle measurement; The method that detects the autocollimator error of indication at present is the method for introducing according in JJG202-2007 " autocollimator " national metrological verification regulations; Promptly constitute standard angle through gauge block and low-angle somascope; Measure these standard angles through autocollimator then, record its error of indication.This detection method with the subject matter that device exists is: 1. complicated operation, waste time and energy, and personnel to be had relatively high expectations, labour intensity is big; 2. data computation is complicated, because this method relies on artificial reading, detecting data needs manual record and processing, so efficient is lower, easy error.
Summary of the invention
This invents technical matters to be solved is to realize automatic measurement, record and the processing of the autocollimator error of indication, the detection efficiency and the accuracy that improve the autocollimator error of indication.
For addressing the above problem; The invention provides a kind of autocollimator error of indication detection method; It is characterized in that: measure the angle of tested autocollimator indication through digital colimated light system, the angle of tested autocollimator indication passes to digital colimated light system through the biplane catoptron that can transmit the same angular value; Adjust tested autocollimator, make it to produce the angle value variation of a plurality of check points, i.e. a i-a 0, a wherein 0Be initial angle, a iIt is the measured value of a plurality of check points of tested autocollimator; The variation that therefore digital colimated light system records corresponding a plurality of angles value, i.e. b i-b 0, b wherein 0Be corresponding initial value, b iIt is the measured value of the corresponding a plurality of check points of digital colimated light system; Obtain the error of indication δ of a plurality of check points iBe δ i=(a i-a 0)-(b i-b 0), get a plurality of δ iMaximal value and the difference of minimum value be the net result of the error of indication of tested autocollimator.
The present invention also provides a kind of device of using said autocollimator error of indication detection method; Comprise tested autocollimator 2; It is characterized in that: also comprise digital colimated light system 4 and double mirror fine motion system 3; Double mirror fine motion system 3 places the centre of tested autocollimator 2 and digital colimated light system 4, and the biplane catoptron of double mirror fine motion system 3 is used for the angle variation of tested autocollimator 2 indications is passed to digital colimated light system 4.
Double mirror in the said double mirror fine motion system 3 is the structure that becomes to have at any angle two or more reflectings surface in the plane.
The device that adjustment double-sided reflecting mirror angle is arranged in the said double mirror fine motion system 3.
Said digital colimated light system 4 comprises: light source 9, light lens 12, spectroscope 10, object lens 11, photoelectric conversion unit 5, data recording are calculated machine system 6; The light that light source 9 sends sees through light lens 12 after spectroscope 10 refractions; Pass object lens 11 again after a face vertical reflection of double mirror; Be mapped to photoelectric conversion unit 5 through object lens 11 then and convert electric signal into, be input to data recording and calculate machine system 6.
Said digital colimated light system 4 adopts photo-electric or digital autocollimator.
Useful technique effect of the present invention: this invention has utilized photoelectric technology to form digital colimated light system, measures the indicating value of tested autocollimator through digital colimated light system, calculates the error of indication of tested autocollimation light pipe through data recording and computing system.This device does not need artificial reading, record and calculating, has improved detection efficiency and accuracy.
Description of drawings
Fig. 1 is structure of the present invention and schematic diagram;
Fig. 2 is the preceding synoptic diagram of graticule aiming;
Fig. 3 is the preceding synoptic diagram of graticule aiming;
Fig. 4 is second kind of structure of the present invention and schematic diagram;
Fig. 5 is the third structure of the present invention and schematic diagram.
Among the figure: 1, microdrum, 2, tested autocollimator, 3, double mirror fine motion system; 4, digital colimated light system, 5, photoelectric conversion unit, 6, data recording calculates the machine system; 7, reflection image crosshair, 8, the graticule crosshair, 9, light source; 10, spectroscope, 11, object lens, 12, light lens.
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
Embodiment
As shown in Figure 1: the centre that double mirror fine motion system 3 is placed digital colimated light system 4 and tested autocollimator 2; Wherein mainly to act on be to reflect the light from the two sides respectively through parallel tow sides to the double mirror in the double mirror fine motion system 3; Double mirror can be rotated, and the biplane catoptron also can be to become the structure that has two or more reflectings surface at any angle in the plane; The light that light source 9 sends in the wherein digital colimated light system 4 sees through light lens 12 after spectroscope 10 refractions; Pass object lens 11 again after a face vertical reflection of double mirror; Be mapped to photoelectric conversion unit 5 through object lens 11 then and convert electric signal into; Be input to data recording and calculate machine system 6, write down and calculate; Digital colimated light system 4 also can adopt photo-electric or digital autocollimator; The microdrum 1 of tested autocollimator 2 is adjusted to the initial position a of check point 0, through double mirror fine motion system 3, the rotation double mirror makes the reflection image crosshair 7 of tested autocollimator 2 aim at graticule crosshairs 8 (like Fig. 2, shown in 3), and digital colimated light system 4 records corresponding initial value b 0And write down the indicating value of this initial position, also can be with b 0Zero clearing.Rotate the microdrum 1 of tested autocollimator 2, make the graticule crosshair 8 of tested autocollimator 2 navigate to the position a of measured point 1, then through double mirror fine motion system 3, the rotation double mirror makes the reflection image crosshair 7 of tested autocollimator 2 aim at graticule crosshairs 8 (like Fig. 2, shown in 3), the angle value b that digital colimated light system 4 records are current 1, b 1Be tested autocollimator 2 graticule crosshairs 8 relative to the true angle value that initial position moves, tested autocollimator 2 is at the error of indication δ at this check point place 1Calculate by formula (1):
δ 1=(a 1-a 0)-(b 1-b 0) (1)
Rotate the microdrum 1 of tested autocollimator 2 once more, make the graticule crosshair 8 of tested autocollimator 2 navigate to the position a of next measured point 2, the operation above repeating obtains angle value b 2, measure the check point of tested autocollimator successively, obtain a 3,a 4 ...,a I,a n, b 3,b 4 ...,b I,b n, through type (2) calculates the error of indication δ at each check point place i For:
δ i=(a i-a 0)-(b i-b 0) (2)
Getting the maximal value of the error of indication and the difference of minimum value is the net result of the error of indication of tested autocollimator.
As shown in Figure 4, positive and negative two minute surfaces of double mirror can be uneven, and its two minute surfaces can vertically reflect respectively from the light of digital colimated light system 4 with tested autocollimator 2.
As shown in Figure 5, positive and negative two minute surfaces of double mirror can be on same plane, and its two minute surfaces can vertically reflect respectively from the light of digital colimated light system 4 with tested autocollimator 2.
Though the present invention discloses as above with preferred embodiment; Right its is not in order to limit the present invention; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims (6)

1. autocollimator error of indication detection method; It is characterized in that: measure the angle of tested autocollimator (2) indication through digital colimated light system (4), the angle of tested autocollimator indication passes to digital colimated light system through the biplane catoptron that can transmit the same angular value; Adjust tested autocollimator, make it to produce the angle value variation of a plurality of check points, i.e. a i-a 0, a wherein 0Be initial angle, a iIt is the measured value of a plurality of check points of tested autocollimator; The variation that therefore digital colimated light system records corresponding a plurality of angles value, i.e. b i-b 0, b wherein 0Be corresponding initial value, b iIt is the measured value of the corresponding a plurality of check points of digital colimated light system; Obtain the error of indication δ of a plurality of check points iBe δ i=(a i-a 0)-(b i-b 0), get a plurality of δ iMaximal value and the difference of minimum value be the net result of the error of indication of tested autocollimator.
2. an application rights requires the device of 1 described autocollimator error of indication detection method; Comprise tested autocollimator (2); It is characterized in that: also comprise digital colimated light system (4) and double mirror fine motion system (3); Double mirror fine motion system (3) places the centre of tested autocollimator (2) and digital colimated light system (4), and the biplane catoptron of double mirror fine motion system (3) is used for the angle variation of tested autocollimator (2) indication is passed to digital colimated light system (4).
3. the device of application autocollimator error of indication detection method according to claim 2 is characterized in that: the double mirror in the said double mirror fine motion system (3) is the structure that becomes to have at any angle two or more reflectings surface in the plane.
4. the device of application autocollimator error of indication detection method according to claim 3 is characterized in that: the device that adjustment double-sided reflecting mirror angle is arranged in the said double mirror fine motion system (3).
5. the device of application autocollimator error of indication detection method according to claim 2; It is characterized in that: said digital colimated light system (4) comprising: light source (9), light lens (12), spectroscope (10), object lens (11), photoelectric conversion unit (5), data recording are calculated machine system (6); The light that light source (9) sends sees through light lens (12) after spectroscope (10) refraction; Pass object lens (11) again after a face vertical reflection of double mirror; Be mapped to photoelectric conversion unit (5) through object lens (11) then and convert electric signal into, be input to data recording and calculate machine system (6).
6. the device of application autocollimator error of indication detection method according to claim 2 is characterized in that: said digital colimated light system (4) adopts photo-electric or digital autocollimator.
CN201210037685.8A 2012-02-20 2012-02-20 Autocollimation indication error detection method and device using same CN102589484B (en)

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Cited By (7)

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CN103017791A (en) * 2012-12-12 2013-04-03 中国科学院长春光学精密机械与物理研究所 Method for distinguishing error source of angle measuring instrument at high accuracy
CN103486998A (en) * 2013-09-18 2014-01-01 中国科学院西安光学精密机械研究所 Auto-collimator indicating value error calibrating device and method
CN103925880A (en) * 2014-04-29 2014-07-16 山东省计量科学研究院 Optical telescope locating system for detection of dosimeter and locating detection method thereof
CN105737764A (en) * 2016-03-31 2016-07-06 中国科学院西安光学精密机械研究所 Rapid measurement device and measurement method for elevation angle of video camera
CN106323165A (en) * 2015-07-02 2017-01-11 劳力士有限公司 Method for measuring at least one dimension of an object
CN106840044A (en) * 2017-01-06 2017-06-13 中国科学院光电研究院 A kind of double mirror parallelism measuring apparatus and its measuring method
CN106840045A (en) * 2017-01-06 2017-06-13 中国科学院光电研究院 The accuracy detecting device and its detection method of a kind of autocollimator

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US20090027685A1 (en) * 2007-01-26 2009-01-29 Tomoyoshi Abe Optical image measurement device
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103017791A (en) * 2012-12-12 2013-04-03 中国科学院长春光学精密机械与物理研究所 Method for distinguishing error source of angle measuring instrument at high accuracy
CN103486998A (en) * 2013-09-18 2014-01-01 中国科学院西安光学精密机械研究所 Auto-collimator indicating value error calibrating device and method
CN103486998B (en) * 2013-09-18 2016-09-07 中国科学院西安光学精密机械研究所 Autocollimation indication error calibration method
CN103925880A (en) * 2014-04-29 2014-07-16 山东省计量科学研究院 Optical telescope locating system for detection of dosimeter and locating detection method thereof
CN103925880B (en) * 2014-04-29 2016-06-15 山东省计量科学研究院 Optical telescope alignment system and position finding and detection method thereof for radiacmeter detection
CN106323165A (en) * 2015-07-02 2017-01-11 劳力士有限公司 Method for measuring at least one dimension of an object
CN105737764A (en) * 2016-03-31 2016-07-06 中国科学院西安光学精密机械研究所 Rapid measurement device and measurement method for elevation angle of video camera
CN106840044A (en) * 2017-01-06 2017-06-13 中国科学院光电研究院 A kind of double mirror parallelism measuring apparatus and its measuring method
CN106840045A (en) * 2017-01-06 2017-06-13 中国科学院光电研究院 The accuracy detecting device and its detection method of a kind of autocollimator

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