CN100489593C - Lens capable of continuously changing observation angle - Google Patents
Lens capable of continuously changing observation angle Download PDFInfo
- Publication number
- CN100489593C CN100489593C CNB2005100232442A CN200510023244A CN100489593C CN 100489593 C CN100489593 C CN 100489593C CN B2005100232442 A CNB2005100232442 A CN B2005100232442A CN 200510023244 A CN200510023244 A CN 200510023244A CN 100489593 C CN100489593 C CN 100489593C
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- mirror
- eyepiece assembly
- corner
- support
- eyepiece
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Abstract
The invention provides a turning mirror which can vary continuously visual angle. It comprises a shell with a gasket used to fix the turning mirror on the telescope, an eyepiece assembly unit with an eyepiece assembly and a connected eyepiece assembly frame which can be fixed inside the shell, a reflector unit with a reflector, a reflector frame and a rotating axle, wherein the reflector is fixed inside the reflector frame which is connected with the eyepiece assembly frame by the rotating axle; and a curve plate which can be fixed inside the shell and is connected with the eyepiece assembly frame and the reflector frame; the reflector frame rotating angle is half of the eyepiece assembly frame rotating angle.
Description
Technical field
The present invention relates generally to the observing system of refraction type astronomical telescope, specifically, but relates to the corner mirror of a kind of continuously changing observation degree that is used for this system.
Background technology
When carrying out astronomical observation, because what will observe is the starry sky target, when the use refractor, if eyepiece directly is contained on the telescope, the human eye observation of will facing upward.Fig. 1 shows this situation, and wherein label 100 is represented telescopes, 200 expression eyepieces, 300 expression people's naked eyes.As shown in the figure, in the case, because the celestial body orientation just differs, if will directly observe, then observer's head must be steeved, thereby allows the people do not feel like oneself, and is difficult to satisfy request for utilization.Therefore, generally all need before eyepiece, dispose a corner mirror, change optical axis direction, so that observe.
At present general 45 ° of corner mirrors or 90 ° of corner mirrors of adopting are to be beneficial to 45 ° of telescope optic axis deflections or 90 ° observation.Fig. 2 and Fig. 3 show the situation that adopts 45 ° of corner mirrors and 90 ° of corner mirrors respectively, and number in the figure 400 and 500 is represented 90 ° of corner mirrors and 45 ° of corner mirrors respectively.Yet these two kinds of corner mirrors are all the corner mirror of fixed angle.Because the direction position of object observing thing is varied, still there is awkward shortcoming in the corner mirror of fixed angle.And, because fixed angle corner mirror generally has only 45 ° or 90 ° two kinds, so other angular deflection that optical axis can't be between 45 ° and 90 °.
Summary of the invention
In order to overcome above-mentioned defective, the objective of the invention is to realize a kind of corner mirror that the optical axis deflection angle is continuously changed.
For achieving the above object, but the invention provides a kind of corner mirror of continuously changing observation degree, comprising: housing, a sleeve is arranged on this housing, be used for the corner mirror is installed to telescope; Eyepiece assembly unit, this eyepiece assembly unit have an eyepiece assembly and an eyepiece assembly support, and eyepiece assembly is connected in the eyepiece assembly support, and the eyepiece assembly support is pivotably mounted in the housing; Mirror unit, this mirror unit have a catoptron, an anti-mirror support and a rotating shaft, and catoptron is contained in the mirror support, and mirror support is connected with the eyepiece assembly support by rotating shaft; And drawing curve, this drawing curve is pivotably mounted in the housing and is connected in eyepiece assembly support and mirror support, and this drawing curve is designed so that the corner of mirror support is half of eyepiece assembly support corner.
By means of corner mirror of the present invention, when carrying out astronomical observation with refractor, no matter object observing is positioned at which kind of orientation of sky, as long as change the corner of corner mirror, just can be located at 45 ° to the 90 ° arbitrary angle positions in the scope, reach and adopt the fixed angle corner mirror effect that is beyond one's reach, both flexible, can make eyepiece be in the position of being convenient to observe most again, thereby obtain more satisfactory result of use.
Description of drawings
Fig. 1 is the synoptic diagram of directly with the naked eye observing in the prior art;
Fig. 2 is the synoptic diagram of observing by 90 ° corner mirror in the prior art;
Fig. 3 is the synoptic diagram of observing by 45 ° corner mirror in the prior art;
Fig. 4 is the synoptic diagram of explanation corner mirror reflection principle;
Fig. 5 is the synoptic diagram of explanation corner mirror reflection principle, and wherein reflecting surface turns over the α angle;
Fig. 6 is the cut-open view of the corner mirror of the preferred embodiment according to the present invention when being positioned at 90 ° of positions;
Fig. 7 is the sectional view of corner mirror shown in Figure 1;
The cut-open view that Fig. 8 a-8d is respectively an eyepiece assembly when 90 °, 75 °, 60 ° and 45 ° of these four positions;
Fig. 9 a-9b shows respectively when above-mentioned four positions, the relevant position relation between each limit shaft on drawing curve and eyepiece assembly support and the mirror support; And
Figure 10 shows the track of limit shaft on drawing curve.
Embodiment
Before concrete structure of the present invention is done to describe, the principle of reflection of corner mirror once is described first.
The optical axis of corner mirror is transferred by catoptron.As shown in Figure 4, according to reflection law, go up reflex time when incident ray A incides reflecting surface R, reflection angle i ＇ equals incident angle i, i.e. i ＇=i.As shown in Figure 5, suppose that incident ray A direction is constant, when reflecting surface R rotation α angle changed incident angle, then the incident angle of incident ray A was: i
1=i+ α, the reflection angle of reflection ray B also is: i ＇=i
1＇+α.
At this moment, the angle between reflection ray and incident ray is:
i
1+i
1＇＝i+α+i＇+α＝i+i＇+2α
That is to say that angle is changed to two times of reflecting surface corner between reflection ray and incident ray.
The present invention is exactly according to above-described reflection law, makes the invariant position of incident ray, and when reflecting surface rotated, the corresponding thereupon change principle of reflection angle reached the deflection angle that continuously changes optical axis.
The corner mirror that continuously changes viewing angle of the present invention mainly comprises housing, eyepiece assembly unit, mirror unit and drawing curve.Their concrete structure is described below with reference to accompanying drawing.
Shown in Fig. 6 and 7, housing is made up of corner microscope base 9, upper cover plate 7 and side cover plate 16.Sleeve 1 is housed on corner microscope base 9, is used for the corner mirror is installed to telescope, connect with screw between corner microscope base 9 and the side cover plate 16.Upper cover plate 7 is connected in eyepiece assembly support 13, can rotate with respect to corner microscope base 9 with eyepiece assembly support 13.Should be appreciated that the version of described housing is not to be limited to combinations thereof, also can adopt other combination, as long as can reach above-mentioned functions.
The eyepiece assembly unit comprises eyepiece assembly 4 and eyepiece assembly support 13.Eyepiece just is contained in the eyepiece assembly 4, and is fixing with screw 3.Eyepiece assembly 4 can be fixed on the eyepiece assembly support 13 with screw thread, and is simultaneously that upper cover plate 7 is fixing.Eyepiece assembly support 13 has two supporting arms (Fig. 7), and this two supporting arms are passed in two rotating shafts 11 and 17 of mirror support respectively, thereby mirror support 12 can be rotated with respect to eyepiece assembly support 13 around the shaft.As shown in Figure 1, on a support arm of eyepiece assembly support 13 limit shaft 5 is housed, its purposes will described after a while.Rotating shaft 11 and 17 also enters corner microscope base 9 and side cover plate 16 respectively, eyepiece mount support 13 is contained on the housing, and can rotates around the axis.Therefore, mirror support 12 and eyepiece assembly support 13 are bearing in the identical rotating shaft also can rotate respectively.
Mirror unit comprises catoptron 2, mirror support 12 and rotating shaft 11 and 17.Catoptron 2 is contained in the mirror support 12, will enter telescopical light and reflex to eyepiece assembly 4.Because two supporting arms of eyepiece assembly support 13 are passed through in the rotating shaft 11 and 17 of mirror support 12 respectively, thereby catoptron 2 can be rotated around the axis with mirror support 12.One limit shaft 10 also is housed on mirror support 12, and its purposes also will described after a while.
In this preferred embodiment of the present invention, when eyepiece assembly support 13 rotates, drawing curve 6 drives mirror support 12 by limit shaft 5 and 10 and rotates, make the corner of mirror support 12 and the corner ratio that eyepiece mount support corner is maintained fixed, promptly the mirror support corner is half of eyepiece assembly support corner.
When Fig. 8 a-8d shows eyepiece assembly and is positioned at 90 °, 75 °, 60 ° and 45 ° of four positions, with the relative position of catoptron 2.Fig. 9 a-9b shows when above-mentioned four positions, the relative position between drawing curve 6 and the limit shaft 5,10.
As shown in figure 10, when the rotating shaft 8 on drawing curve 6 rotates angle mirror seat 9 was rotated, the limit shaft 5 that is fixed on the eyepiece assembly support 13 was just formed two geometric locuses with the relative position variation of being fixed in the limit shaft 10 on the mirror support 12.Above the path curves of a limit shaft 5 be straight line.By mirror support 12 corners is that half of eyepiece mount support 13 corners determined the position of limit shaft 10, and the correspondence position track changes shape and the position of just having determined a following curved groove.
In other words, be in the illustrated embodiment behind the relative position of having determined drawing curve rotating shaft 8 and limit shaft 5 and 10, in strict accordance with the corner of eyepiece assembly support 13 and mirror support 12 than being the relation of 2:1, the a series of relative position tracks of limit shaft 5 and 10 in 90 ° to 45 ° scopes have been determined, track is linked to be curve, and two curved grooves on the drawing curve 6 come to this definite.The angle range of corner mirror is limited by the curved groove on the drawing curve 6.
Convenient in order to use, reliable, in this embodiment, also increased location and locking device.
So-called locating device comprises steel ball 15 that is arranged on the eyepiece assembly support 13 and the one group of pilot hole that distributes along circular arc that is arranged on the side cover plate 16.Steel ball 15 is compressed by stage clip 14, contacts with side cover plate all the time, when eyepiece assembly support 13 rotates when making steel ball 15 enter in the pilot hole of side cover plate 16, sends " click clatter " sound, and the position of eyepiece mount has just been determined.Owing in 45 °～90 ° scopes, be provided with a plurality of pilot holes, during use, can rotate eyepiece assembly support 13, steel ball 15 enters corresponding pilot hole when requiring the position, sends " click clatter " sound, and the corner mirror promptly enters into the use location.
So-called locking device mainly comprises handwheel 18 and rotating shaft 17.Handwheel 18 usefulness screw threads are connected with rotating shaft 17, when needs are reliably located or carry out astrophotography, handwheel 18 can be screwed, and rotating shaft 17 just makes eyepiece assembly support 13 and side cover plate 16 compress, and eyepiece assembly support 13 just can not rotate.For guaranteeing eyepiece assembly 4 in 90 ° to 45 ° conversion process, eyepiece has identical visual field when observing, but structurally need satisfy following requirement according to the corner mirror of continuously changing observation degree of the present invention.
The reflecting surface that rotating shaft 11 and 17 axis should be by catoptrons 2 and with the axes intersect of sleeve 1 and eyepiece assembly 4.
2, mirror support 12 and eyepiece assembly support 13 necessary coaxial rotation, and the corner of mirror support 12 should be eyepiece assembly support 13 corners half.
But the corner mirror of 45 ° of the present invention～90 ° of continuously changing observation degree structurally satisfies above-mentioned requirements fully, and when eyepiece assembly 4 rotated in 45 °～90 ° scopes, in eyepiece field of view, target did not have tangible skew.
Compare with traditional fixed angle corner mirror, but the corner mirror of continuously changing observation degree of the present invention has increased mirror support, eyepiece assembly support, drawing curve, rotating shaft and location and locking device.
Though abovely corner mirror of the present invention is described by a preferred embodiment, be familiar with will be understood by those skilled in the art that, as long as satisfy above two conditions, structurally can carry out various conversion.For example, it is changeable to change angle, not necessarily is confined to 45 °～90 °; Can not locate or locking device; Drawing curve also can be made other shape or be configured in other position; Can be with the limit shaft transposition on the curved groove on the drawing curve and eyepiece assembly support and the mirror support; Combination between corner microscope base and side cover plate also can be adopted alternate manner etc.Therefore, protection scope of the present invention should not be subjected to the restriction of above detailed description, but should be limited by appended claims.
Claims (7)
1. but the corner mirror of a continuously changing observation degree comprises:
Housing has a sleeve on this housing, be used for the corner mirror is installed to telescope;
Eyepiece assembly unit, this eyepiece assembly unit have an eyepiece assembly and an eyepiece assembly support, and described eyepiece assembly is connected in the eyepiece assembly support, and described eyepiece assembly support is pivotably mounted in the described housing;
Mirror unit, this mirror unit have a catoptron, an anti-mirror support and a rotating shaft, and described catoptron is contained in the described mirror support, and described mirror support is connected with described eyepiece assembly support by described rotating shaft; And
Drawing curve, this drawing curve are pivotably mounted in the described housing and are connected in described eyepiece assembly support and described mirror support, and this drawing curve is designed so that the corner of described mirror support is half of described eyepiece assembly support corner.
2. but as the corner mirror of right 1 described continuously changing observation degree, it is characterized in that two curved grooves are arranged on the described drawing curve, they match with limit shaft on described eyepiece assembly support and the described mirror support respectively.
3. but as the corner mirror of right 1 described continuously changing observation degree, it is characterized in that, described housing comprises a corner microscope base body, a upper cover plate and a side cover plate, and described corner microscope base body and side cover plate are coupled to each other, and described upper cover plate is connected in described eyepiece assembly support.
4. corner mirror as claimed in claim 1 is characterized in that, also comprises a location device, and described locating device is arranged between described eyepiece assembly support and the described housing, comprises a steel ball and a pilot hole.
5. corner mirror as claimed in claim 1 is characterized in that, also comprises a locking device, and described locking device comprises a handwheel, and this handwheel spiral is connected in described rotating shaft.
6. corner mirror as claimed in claim 1 is characterized in that, the reflecting surface of described rotating shaft by described catoptron, and with the axes intersect of described sleeve and described eyepiece assembly.
7. as the described corner mirror of above each claim, it is characterized in that the angle of eyepiece assembly axis and sleeve axis changes continuously in 45 °～90 ° scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100232442A CN100489593C (en) | 2005-01-12 | 2005-01-12 | Lens capable of continuously changing observation angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100232442A CN100489593C (en) | 2005-01-12 | 2005-01-12 | Lens capable of continuously changing observation angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1804676A CN1804676A (en) | 2006-07-19 |
| CN100489593C true CN100489593C (en) | 2009-05-20 |
Family
ID=36866756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100232442A Expired - Fee Related CN100489593C (en) | 2005-01-12 | 2005-01-12 | Lens capable of continuously changing observation angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100489593C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3603671A (en) * | 1968-05-01 | 1971-09-07 | Parsons & Co Sir Howard G | Astronomical telescopes |
| CN2207589Y (en) * | 1994-07-14 | 1995-09-13 | 昆明晶华光学有限公司 | Rotary reflector ocular folding device |
| CN2658763Y (en) * | 2003-09-19 | 2004-11-24 | 苏州信达光电科技有限公司 | Deflection lens capable of changing observation angle |
-
2005
- 2005-01-12 CN CNB2005100232442A patent/CN100489593C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3603671A (en) * | 1968-05-01 | 1971-09-07 | Parsons & Co Sir Howard G | Astronomical telescopes |
| CN2207589Y (en) * | 1994-07-14 | 1995-09-13 | 昆明晶华光学有限公司 | Rotary reflector ocular folding device |
| CN2658763Y (en) * | 2003-09-19 | 2004-11-24 | 苏州信达光电科技有限公司 | Deflection lens capable of changing observation angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1804676A (en) | 2006-07-19 |
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Owner name: NANTONG SIMITESEN OPTOELECTRONIC TECHNOLOGY CO., L Free format text: FORMER OWNER: SUZHOU XINDA PHOTOELECTRIC SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20131108 |
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Free format text: CORRECT: ADDRESS; FROM: 215011 SUZHOU, JIANGSU PROVINCE TO: 226500 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20131108 Address after: 226500 No. 399 West Zhongshan Road, Jiangsu, Rugao Patentee after: NANTONG SIMITESEN OPTOELECTRONICS TECHNOLOGY CO., LTD. Address before: 215011 No. 65, Yushan Road, Suzhou New District, Jiangsu Patentee before: Suzhou Xinda Photoelectric Science & Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20190112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |