CN203464927U - Contact ratio measurement device - Google Patents
Contact ratio measurement device Download PDFInfo
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- CN203464927U CN203464927U CN201320558034.3U CN201320558034U CN203464927U CN 203464927 U CN203464927 U CN 203464927U CN 201320558034 U CN201320558034 U CN 201320558034U CN 203464927 U CN203464927 U CN 203464927U
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Abstract
The utility model provides a contact ratio measurement device for accurately measuring a contact ratio. A laser mounting seat is fixed above a lens barrel, wherein a high-power semiconductor laser is arranged on the laser mounting seat; a front objective lens group and a rear objective lens group are arranged at the front and rear ends of the lens barrel respectively; a laser reflex light tube is fixed in front of the front objective lens group; triangular prisms I and II are arranged on the laser reflex light tube; beam splitter prisms I and II and an eyepiece are sequentially arranged behind the rear objective lens group; a photoelectric conversion element is arranged above the beam splitter prism I; an LED (light-emitting diode) or a low-power semiconductor laser is arranged below the beam splitter prism II; a collimation reticle is arranged in front of a light outlet of the LED or the low-power semiconductor laser; an eyepiece reticle is arranged in front of the eyepiece. According to the device, the contact ratio within a distance range of 2,000m can be accurately measured, and the interference of remote ambient light under a field environment condition can be reduced to realize the remote automatic tracking and measurement of bidirectional angles under a dynamic condition.
Description
Technical field
The utility model relates to geometry test field of measuring techniques, is specifically related to a kind of registration measurement mechanism.
Background technology
When carrying out measurement of angle, " coincidence " generally refers to that theodolite telescope eyepiece graticule and measured target (being generally mark post or beacon light) aim at, and when static measurement closely, this is easily to realize.But with respect to measurement point, move when impact point, or 2 all when motion, transit is difficult to run-home again.Registration dynamically, at a distance, under field environment condition is measured, and solve remote dynamic alignment, prevents the interference of surround lighting, because of but a difficult problem for measurement of angle technology, but measurement key while being space flight, boats and ships large-scale experiment.
There is no at present remote, dynamically, registration is measured under field environment condition instrument and equipment, therefore, first need to develop critical component, make it have remote, dynamic registration measurement function, and can subdue field environment light and disturb, increase again on this basis two-way angle measurement and servo tracking function, become tracking transit, for following the tracks of the development of transit, lay the foundation.
Summary of the invention
The purpose of this utility model is to provide a kind of can realize the registration measurement mechanism that measuring distance is accurately measured to the registration of 2000m.
Realize the technical scheme of the utility model object: a kind of registration measurement mechanism, it comprises lens barrel, fixed laser mount pad above lens barrel, high power semiconductor lasers is arranged on laser instrument mount pad; Front end, rear end at lens barrel arrange respectively lens front group, lens rear group; In lens front group the place ahead, be fixed with laser instrument reflex light-tube, prism I, prism II are installed on laser instrument reflex light-tube; The light-emitting window optical axis coincidence of the center line of prism I and high power semiconductor lasers, the center line of prism II overlaps with lens barrel center line; At lens rear group rear, set gradually Amici prism I, Amici prism II and eyepiece, the center line of Amici prism I, Amici prism II and eyepiece overlaps; Above Amici prism I, photo-electric conversion element is set; LED or low-power semiconductor laser are set below Amici prism II; Collimation graticule is arranged on before LED or low-power semiconductor laser light-emitting window, and eyepiece graticule is arranged on before eyepiece;
When middle distance, telemeasurement, high power semiconductor lasers is as light source, and the emergent light that high power semiconductor lasers sends reflects, turns back 90 ° through prism I, then by the reflective device of prism II directive; The reflected light being reflected to form by reflective device enters Amici prism I through lens front group, lens rear group, wherein a part of light beam is reflected onto on the photosurface of photo-electric conversion element and changes electric signal into, another part light beam sees through Amici prism II to eyepiece, for observer's visualization;
During close-in measurement, LED or low-power semiconductor laser are as light source, and the emergent light that LED or low-power semiconductor laser send passes through collimation graticule, then by the reflection of Amici prism II, the transmission of Amici prism I, to the reflective device of lens front group direction directive; The reflected light being reflected to form by reflective device enters Amici prism I through lens front group, lens rear group, wherein a part of light beam is reflected onto on the photosurface of photo-electric conversion element and changes electric signal into, another part light beam sees through Amici prism II to eyepiece, for observer's visualization.
A kind of registration measurement mechanism as above, the close-in measurement described in it is 0～15m, reflective device adopts level crossing or prism; Described middle distance is measured as 16～100m; Reflective device adopts prism; Described telemeasurement is 101～2000m; Reflective device adopts prism of corner cube.
A kind of registration measurement mechanism as above, the power of the high power semiconductor lasers described in it is greater than 50mW, and the emergent light sending is from light-emitting window outgoing, spot diameter <5mm, emergent light is that the angle of divergence is 0.5～2mrad.
A kind of registration measurement mechanism as above, the installation site conjugation of collimation graticule, photo-electric conversion element and eyepiece graticule described in it, and all on light path focal plane.
A kind of registration measurement mechanism as above, the photo-electric conversion element described in it is PSD or CCD.
Effect of the present utility model is: registration measurement mechanism described in the utility model, it meets the special measurement needs to dynamic registration in the large-scale experiments such as space flight, shipping industry, can realize measuring distance to the registration of 2000m accurately measures, and the interference that can subdue surround lighting under remote, field environment condition, the minute angle value signal producing, can be used as driving signal, coordinate with servo tracking and angle measuring system, make tracking transit, realize the automatic Tracking and Measurment of two-way angle under remote dynamic condition.Under daytime strong sunlight, measuring distance 1000m, this device can work, and can effectively suppress the interference of strong sunlight; Through carrying out static accuracy test at 1000m measuring distance, standard deviation=1.9 of this measurement device value ", prove that the scheme of this device is feasible, measurement result has higher accuracy.
Accompanying drawing explanation
Fig. 1 is a kind of registration measurement mechanism structural representation described in the utility model.
In figure: 1-high power semiconductor lasers; 2-laser instrument mount pad; 3-photo-electric conversion element; 4-Amici prism II; 5-eyepiece graticule; 6-eyepiece; 7-collimates graticule; 8-LED or low-power semiconductor laser; 9-Amici prism I; 10-lens rear group; 11-prism II; 12-lens front group; 13-prism I; 14-laser instrument reflex light-tube; 15-lens barrel; 16-light-emitting window.
Embodiment
Below in conjunction with the drawings and specific embodiments, registration measurement mechanism described in the utility model is further described.
As shown in Figure 1, registration measurement mechanism described in the utility model is a kind of light pipe telescopic system, and it comprises lens barrel 15, fixed laser mount pad 2 above lens barrel 15, and high power semiconductor lasers 1 is arranged on laser instrument mount pad 2; Front end, rear end at lens barrel 15 arrange respectively lens front group 12, lens rear group 10.
In lens front group 12 the place aheads, be fixed with laser instrument reflex light-tube 14, prism I 13, prism II 11 are installed on laser instrument reflex light-tube 14; The light-emitting window optical axis coincidence of the center line of prism I 13 and high power semiconductor lasers 1, the center line of prism II 11 overlaps with lens barrel 15 center lines.At lens rear group 10 rears, set gradually Amici prism I 9, Amici prism II 4 and eyepiece 6, the center line of Amici prism I 9, Amici prism II 4 and eyepiece 6 overlaps; Photo-electric conversion element 3 is set above Amici prism I 9; LED or low-power semiconductor laser 8 are set below Amici prism II 4; Collimation graticule 7 is arranged on before LED or low-power semiconductor laser 8 light-emitting windows, and eyepiece graticule 5 is arranged on before eyepiece 6.
When middle distance, telemeasurement, high power semiconductor lasers 1 is as light source, and the emergent light that high power semiconductor lasers 1 sends reflects, turns back 90 ° through prism I 13, then by the reflective device of prism II 11 directive; The reflected light being reflected to form by reflective device enters Amici prism I 9 through lens front group 12, lens rear group 10, wherein a part of light beam is reflected onto on the photosurface of photo-electric conversion element 3 and changes electric signal into, another part light beam sees through Amici prism II 4 to eyepiece 6, for observer's visualization.Described middle distance is measured as 16～100m; Reflective device adopts prism; Described telemeasurement is 101～2000m; Reflective device adopts prism of corner cube.
During close-in measurement, LED or low-power semiconductor laser 8 are as light source, the emergent light that LED or low-power semiconductor laser 8 send passes through collimation graticule 7, then by 4 reflections of Amici prism II, 9 transmissions of Amici prism I, to the reflective device of lens front group 12 direction directive; The reflected light being reflected to form by reflective device enters Amici prism I 9 through lens front group 12, lens rear group 10, wherein a part of light beam is reflected onto on the photosurface of photo-electric conversion element 3 and changes electric signal into, another part light beam sees through Amici prism II 4 to eyepiece 6, for observer's visualization.Described close-in measurement is 0～15m, and reflective device adopts level crossing or prism.
The power of above-mentioned high power semiconductor lasers 1 is greater than 50mW, and the emergent light sending is from light-emitting window 16 outgoing, spot diameter <5mm, and emergent light is that the angle of divergence is 0.5～2mrad.The installation site conjugation of collimation graticule 7, photo-electric conversion element 3 and eyepiece graticule 5, and all on light path focal plane.Photo-electric conversion element 3 is PSD or CCD.
Registration measurement mechanism described in the utility model: (1) measures requirement for meeting remote registration, more than device is used 50mW, the light source of the semiconductor laser with relatively high power during as telemeasurement, laser instrument is installed on to lens barrel top, solved laser power large, need good heat radiating, volume is large, cannot be installed on the problem of light path system inside; (2) use of laser instrument reflex light-tube, makes the light beam that laser instrument sends be moved to before object lens by lens barrel top, and remains overlapping of outgoing beam and primary optical axis, has solved the problem that has difference in height between laser emitting light and primary optical axis; (3) device, except having telemeasurement function, also can carry out closely self-collimation measurement, has expanded the range of application of device; (4) operator can pass through eyepiece observed object, has facilitated personnel to measure and debugging.
Claims (8)
1. a registration measurement mechanism, is characterized in that: this device comprises lens barrel (15), and at lens barrel (15) top fixed laser mount pad (2), high power semiconductor lasers (1) is arranged on laser instrument mount pad (2); In front end, the rear end of lens barrel (15), lens front group (12), lens rear group (10) are set respectively;
In lens front group (12) the place ahead, be fixed with laser instrument reflex light-tube (14), prism I (13), prism II (11) are installed on laser instrument reflex light-tube (14); The light-emitting window optical axis coincidence of the center line of prism I (13) and high power semiconductor lasers (1), the center line of prism II (11) overlaps with lens barrel (15) center line;
At lens rear group (10) rear, set gradually Amici prism I (9), Amici prism II (4) and eyepiece (6), the center line of Amici prism I (9), Amici prism II (4) and eyepiece (6) overlaps; In Amici prism I (9) top, photo-electric conversion element (3) is set; In Amici prism II (4) below, LED or low-power semiconductor laser (8) are set; Collimation graticule (7) is arranged on before LED or low-power semiconductor laser (8) light-emitting window, and it is front that eyepiece graticule (5) is arranged on eyepiece (6).
2. a kind of registration measurement mechanism according to claim 1, it is characterized in that: when middle distance, telemeasurement, high power semiconductor lasers (1) is as light source, the emergent light that high power semiconductor lasers (1) sends reflects, turns back 90 ° through prism I (13), then by the reflective device of prism II (11) directive; The reflected light being reflected to form by reflective device enters Amici prism I (9) through lens front group (12), lens rear group (10), wherein a part of light beam is reflected onto on the photosurface of photo-electric conversion element (3) and changes electric signal into, another part light beam sees through Amici prism II (4) to eyepiece (6), for observer's visualization.
3. a kind of registration measurement mechanism according to claim 2, is characterized in that: described middle distance is measured as 16～100m; Reflective device adopts prism; Described telemeasurement is 101～2000m; Reflective device adopts prism of corner cube.
4. a kind of registration measurement mechanism according to claim 1, it is characterized in that: during close-in measurement, LED or low-power semiconductor laser (8) are as light source, the emergent light that LED or low-power semiconductor laser (8) send is by collimation graticule (7), again by Amici prism II (4) reflection, Amici prism I (9) transmission, to the reflective device of lens front group (12) direction directive; The reflected light being reflected to form by reflective device enters Amici prism I (9) through lens front group (12), lens rear group (10), wherein a part of light beam is reflected onto on the photosurface of photo-electric conversion element (3) and changes electric signal into, another part light beam sees through Amici prism II (4) to eyepiece (6), for observer's visualization.
5. a kind of registration measurement mechanism according to claim 4, is characterized in that: described close-in measurement is 0～15m, and reflective device adopts level crossing or prism.
6. according to a kind of registration measurement mechanism described in claim 1 or 2 or 4, it is characterized in that: the power of described high power semiconductor lasers (1) is greater than 50mW, the emergent light sending is from light-emitting window (16) outgoing, spot diameter <5mm, emergent light is that the angle of divergence is 0.5～2mrad, and the power of described low-power semiconductor laser is less than 30mW.
7. according to a kind of registration measurement mechanism described in claim 1 or 2 or 4, it is characterized in that: the installation site conjugation of described collimation graticule (7), photo-electric conversion element (3) and eyepiece graticule (5), and all on light path focal plane.
8. according to a kind of registration measurement mechanism described in claim 1 or 2 or 4, it is characterized in that: described photo-electric conversion element (3) is PSD or CCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558034.3U CN203464927U (en) | 2013-09-09 | 2013-09-09 | Contact ratio measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558034.3U CN203464927U (en) | 2013-09-09 | 2013-09-09 | Contact ratio measurement device |
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| CN203464927U true CN203464927U (en) | 2014-03-05 |
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| CN201320558034.3U Expired - Lifetime CN203464927U (en) | 2013-09-09 | 2013-09-09 | Contact ratio measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398803A (en) * | 2018-03-22 | 2018-08-14 | 江苏北方湖光光电有限公司 | A kind of optical texture that parallel light tube is coaxial with laser designation |
-
2013
- 2013-09-09 CN CN201320558034.3U patent/CN203464927U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398803A (en) * | 2018-03-22 | 2018-08-14 | 江苏北方湖光光电有限公司 | A kind of optical texture that parallel light tube is coaxial with laser designation |
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Granted publication date: 20140305 |
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