CN101929842B - Optical fiber common point target used in station-moving test process of electronic theodolite - Google Patents
Optical fiber common point target used in station-moving test process of electronic theodolite Download PDFInfo
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- CN101929842B CN101929842B CN2010103005850A CN201010300585A CN101929842B CN 101929842 B CN101929842 B CN 101929842B CN 2010103005850 A CN2010103005850 A CN 2010103005850A CN 201010300585 A CN201010300585 A CN 201010300585A CN 101929842 B CN101929842 B CN 101929842B
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- optical fiber
- electronic theodolite
- common point
- spheroid
- point target
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Abstract
The invention discloses an optical fiber common point target used in a station-moving test process of an electronic theodolite and relates to the optical fiber public point target, which solves the problem that a measurement error is large because a hemisphere of the current common point target is needed to be rotated manually after the electronic theodolite is moved and the aiming difficulty of the electronic theodolite is high due to unavailable lamination. A luminous end of the optical fiber common point target used in the station-moving test process of the electronic theodolite is a spherical optical fiber; and the tail end of the optical fiber of which one end is spherical is contacted with a light output end of a luminous module. The optical fiber public point target is suitable for the station-moving test process of the electronic theodolite.
Description
Technical field
The present invention relates to a kind of optical fiber common point target.
Background technology
The space angle forward intersection measuring system that is made up of two electronic theodolites is to use in the large-scale metrology field the earliest and one of maximum system, and it generally is made up of electronic theodolite, station meter, communication interface and online cable and computing machine etc.When the measured workpiece size very big; Surveying instrument can't measure all tested elements on a position, perhaps measured workpiece is a solid of revolution, and " sight line " of instrument can be blocked by workpiece self; Element that can't the measuring workpieces back side all need carry out station transfer to electronic theodolite under both of these case.
Because measuring process is that instrument coordinates system carries out based on electronic theodolite self coordinate system all; So the information of certain tested element just is made up of the data in two or more coordinate systems because of station transfer jointly, constructs tested element and just must the measuring point coordinate data in each coordinate system be transformed in the same coordinate system.Realize the measuring point coordinate conversion between coordinate system, just must set up connecting each other between each coordinate system.It is a kind of common method that common point is set.In measuring process,, guarantee that these common points will be positioned at " visual range " of each erect-position of instrument at first at N common point of measurement space configuration.Measure these common points respectively before and after the electronic theodolite station transfer, will obtain the coordinate of common point under different instrument coordinates are.Utilize the relation of these common point coordinate datas to find the transitive relation of each coordinate system before and after the electronic theodolite station transfer again, finally all be converted to the data point coordinate of electronic theodolite station transfer fore-and-aft survey under the common point coordinate system, accomplish whole measuring task.
At present, in actual engineering general with object shown in Figure 1 as the common point target.Major defect is to need artificial rotation hemisphere after the station transfer, and measuring error is big.In addition, owing to itself do not possess light-emitting device, certain operation easier is brought in the cross groove position in the middle of electronic theodolite need aim at.
Summary of the invention
The present invention needs artificial rotation hemisphere to cause measuring error big after the electronic theodolite station transfer in order to solve existing common point target; With and can not luminously cause the big problem of electronic theodolite aiming difficulty, thereby a kind of optical fiber common point target that is used for electronic theodolite station transfer test process is provided.
Be used for the optical fiber common point target of electronic theodolite station transfer test process, it comprises light emitting module, and it comprises that also an end is the optical fiber of spheroid, and the end of the optical fiber that a said end is a spheroid contacts with the light output end of light emitting module.
One end of optical fiber of the present invention is a chondritic, need not artificial rotation target after the electronic theodolite station transfer, and measuring error is little; Simultaneously, the present invention can realize that target is luminous, and electronic theodolite can aim at target on all directions, and the aiming difficulty is able to reduce greatly.
Description of drawings
Fig. 1 is the structural representation of the said existing target of background technology; Fig. 2 is a structural representation of the present invention; Fig. 3 is that the circuit of the specific embodiment of the invention two connects synoptic diagram; Fig. 4 is the structural representation of the specific embodiment of the invention three.
Embodiment
Embodiment one, combination Fig. 2 explain this embodiment; The optical fiber common point target that is used for electronic theodolite station transfer test process; It comprises light emitting module 8; It is characterized in that it comprises that also an end is the optical fiber 1 of spheroid, the end of the optical fiber 1 that a said end is a spheroid contacts with the light output end of light emitting module 8.
One end of this embodiment is that spheroid on the optical fiber 1 of spheroid is as the test point of the public target of optical fiber; When light emitting module 8 was luminous, an end was that the spheroid on the optical fiber 1 of spheroid is simultaneously luminous, and electronic theodolite can aim at the spherical luminous end of the public target of optical fiber in all directions.
Embodiment two, combination Fig. 3 explain this embodiment; This embodiment and the embodiment one described optical fiber common point target that is used for electronic theodolite station transfer test process; Light emitting module 8 comprises light-emitting diodes light 2, resistance 3, switch 4 and power supply 5; The positive pole of said power supply 5 is connected with the quiet end of switch 4; The moved end of said switch 4 is connected with an end of resistance 3, and the other end of said resistance 3 is connected with an end of light emitting diode 2, and the other end of said light emitting diode 2 is connected with power cathode.
Embodiment three, combination Fig. 4 explain this embodiment; This embodiment is with the embodiment two described differences that are used for the optical fiber common point target of electronic theodolite station transfer test process; It also comprises base 6 and protection housing 7, and protection housing 7 is arranged on the base; The quiet end of said power supply 5 and switch is arranged in the base; The end of the moved end of said light-emitting diodes light 2, resistance 3, switch 4, the optical fiber 1 that an end is spheroid is arranged in the protection housing 7; The top of said protection housing 7 is a taper, and an end is the top that the spheroid of the optical fiber 1 of spheroid is fixed on protection housing 7.
Embodiment four, this embodiment are to embodiment one, the two or three described further qualifications that are used for the optical fiber common point target of electronic theodolite station transfer test process, and an end is that the diameter of the spheroid on the optical fiber 1 of spheroid is 0.05 mm ~ 0.5mm.
One end of this embodiment is that the sphere diameter on the optical fiber 1 of spheroid is little, electronic theodolite is measured improved precision.The diameter of the spheroid on the optical fiber 1 that a said end is a spheroid can be confirmed according to measuring accuracy requirement and the processing of employed electronic theodolite model.
In this embodiment, an end is that the spheroid on the optical fiber 1 of spheroid is fired by an end of this root optical fiber and cut mill and form.Its machining process: at first with optical fiber one end slowly near burning things which may cause a fire disaster, withdraw burning things which may cause a fire disaster when treating optical fiber one end generation miniature deformation fast.The spherical optical fiber that will be fired into is then further cut mill, so that it reaches irreflexive effect, guarantees that electronic theodolite can aim at luminous end on all directions.
Claims (4)
1. be used for the optical fiber common point target of electronic theodolite station transfer test process, it comprises light emitting module (8), it is characterized in that it comprises that also an end is the optical fiber (1) of spheroid, and the end of the optical fiber (1) that a said end is a spheroid contacts with the light output end of light emitting module (8).
2. the optical fiber common point target that is used for electronic theodolite station transfer test process according to claim 1; It is characterized in that light emitting module (8) comprises light-emitting diodes light (2), resistance (3), switch (4) and power supply (5); The positive pole of said power supply (5) is connected with the quiet end of switch (4); The moved end of said switch (4) is connected with an end of resistance (3), and the other end of said resistance (3) is connected with an end of light emitting diode (2), and the other end of said light emitting diode (2) is connected with power cathode.
3. the optical fiber common point target that is used for electronic theodolite station transfer test process according to claim 2 is characterized in that it also comprises base (6) and protection housing (7), and protection housing (7) is arranged on the base; The quiet end of said power supply (5) and switch is arranged in the base; The end of the optical fiber (1) that the moved end of said light-emitting diodes light (2), resistance (3), switch (4), an end are spheroid is arranged in the protection housing (7); The top of said protection housing (7) is a taper, and an end is the top that the spheroid of the optical fiber (1) of spheroid is fixed on protection housing (7).
4. according to claim 1, the 2 or 3 described optical fiber common point targets that are used for electronic theodolite station transfer test process, it is characterized in that an end is that the diameter of the spheroid on the optical fiber (1) of spheroid is 0.05mm～0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103005850A CN101929842B (en) | 2010-01-22 | 2010-01-22 | Optical fiber common point target used in station-moving test process of electronic theodolite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103005850A CN101929842B (en) | 2010-01-22 | 2010-01-22 | Optical fiber common point target used in station-moving test process of electronic theodolite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101929842A CN101929842A (en) | 2010-12-29 |
| CN101929842B true CN101929842B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010103005850A Expired - Fee Related CN101929842B (en) | 2010-01-22 | 2010-01-22 | Optical fiber common point target used in station-moving test process of electronic theodolite |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300345B (en) * | 2015-11-10 | 2017-09-12 | 中国科学院长春光学精密机械与物理研究所 | Electro-optic theodolite multi-object tracking method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1186946A1 (en) * | 1984-05-04 | 1985-10-23 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Горной Геомеханики И Маркшейдерского Дела | Theodolite for eccentric angle measurement |
| JP2000028332A (en) * | 1998-07-07 | 2000-01-28 | Mitsubishi Heavy Ind Ltd | Three-dimensional measuring device and method therefor |
| EP1659417A1 (en) * | 2004-11-19 | 2006-05-24 | Leica Geosystems AG | Method for the determination of the orientation of an orientationindicator |
| CN2811944Y (en) * | 2005-07-19 | 2006-08-30 | 大连华锐股份有限公司 | Theodolite refractor |
| CN201059968Y (en) * | 2007-07-19 | 2008-05-14 | 天津欧波精密仪器股份有限公司 | Electronic theodolites opto-electronic sensor with simple structure |
-
2010
- 2010-01-22 CN CN2010103005850A patent/CN101929842B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1186946A1 (en) * | 1984-05-04 | 1985-10-23 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Горной Геомеханики И Маркшейдерского Дела | Theodolite for eccentric angle measurement |
| JP2000028332A (en) * | 1998-07-07 | 2000-01-28 | Mitsubishi Heavy Ind Ltd | Three-dimensional measuring device and method therefor |
| EP1659417A1 (en) * | 2004-11-19 | 2006-05-24 | Leica Geosystems AG | Method for the determination of the orientation of an orientationindicator |
| CN2811944Y (en) * | 2005-07-19 | 2006-08-30 | 大连华锐股份有限公司 | Theodolite refractor |
| CN201059968Y (en) * | 2007-07-19 | 2008-05-14 | 天津欧波精密仪器股份有限公司 | Electronic theodolites opto-electronic sensor with simple structure |
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| CN101929842A (en) | 2010-12-29 |
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