CN201255783Y - Fine tuning apparatus for optical system - Google Patents
Fine tuning apparatus for optical system Download PDFInfo
- Publication number
- CN201255783Y CN201255783Y CNU2008200297766U CN200820029776U CN201255783Y CN 201255783 Y CN201255783 Y CN 201255783Y CN U2008200297766 U CNU2008200297766 U CN U2008200297766U CN 200820029776 U CN200820029776 U CN 200820029776U CN 201255783 Y CN201255783 Y CN 201255783Y
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- CN
- China
- Prior art keywords
- mounting bracket
- optical system
- temperature
- mounting frame
- micromatic setting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an optical system fine regulating device for resolving the technical problems of prior art such as complex structure, large volume, complex design and high assembly accuracy requirement, which comprises a power supply, a control unit, a first mounting frame for mounting optical components, a heating plate at the outer surface of the first mounting frame and a temperature sensor, wherein the first mounting frame is made from the material of high temperature expansion coefficient, the temperature sensor can detect the temperature of the first mounting frame and transmits the temperature to the control unit, and the control unit controls the communication between the power supply and the heating plate. The optical system fine regulating device has simple structure and design, simple installment and regulation, and high reliability, can realize high-accuracy fine regulation according to the length and the material changes of the mounting frame, combines kinds of materials, to realize rough fine regulation and accurate fine regulation on one component, and can realize fine regulation automatic control by temperature control apparatuses.
Description
Technical field
The utility model relates to a kind of optical system micromatic setting, relates in particular to a kind of optical system focal length micromatic setting.
Background technology
Optical system generally all has micro-adjusting mechanism, in order to realize the fine setting of rectilineal interval, usually adopt mechanical micro-adjusting mechanisms such as lead screw pair, guide rail, cam to realize, but there is complex structure in mechanical micro-adjusting mechanism, volume is big, design is complicated, the demanding technical matters of assembly precision.
Summary of the invention
The utility model proposes a kind of optical system micromatic setting, it has solved existing optical system micromatic setting complex structure, volume is big, design is complicated, the demanding technical matters of assembly precision.
Technical solution of the present utility model is:
A kind of optical system micromatic setting is characterized in that: comprise power supply, control module, first mounting bracket of optical element, the heating plate that is arranged on the first mounting bracket outside surface and temperature sensor can be installed; Described first mounting bracket is made by high-temperature expansion coefficient material; Described temperature sensor can detect the temperature of first mounting bracket and temperature data is transferred to control module, the break-make between described control module control power supply and the heating plate.
Above-mentioned first mounting bracket is for to be made by metal material.
Above-mentioned first mounting bracket is made by metallic aluminium or alloy aluminum.
Above-mentioned optical system micromatic setting also comprises and coaxial second mounting bracket that is connected of first mounting bracket, described second mounting bracket is made by low temperature expansion coefficient material, and described temperature sensor can detect the temperature of second mounting bracket and temperature data is transferred to control module.
Above-mentioned first mounting bracket is made by teflon, and described second mounting bracket is made by metal material.
Above-mentioned second mounting bracket is made by metallic aluminium or alloy aluminum.
Above-mentioned first mounting bracket and second mounting bracket are cylinder-shaped bracket, and described optical element is installed in the one or both ends of cylinder-shaped bracket.
The utility model and mechanical micro-adjusting mechanism relatively have following advantage:
1, structural design simple, debug simple, the reliability height.
2, can realize the high precision fine setting according to the change of mounting bracket length and mounting bracket material;
3, multiple material combination can realize thick fine setting and precise and tiny accent on same assembly;
4, control system is simple, also can directly buy the temperature controller product and can realize finely tuning automatic control.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a circuit connection diagram of the present utility model;
Wherein: the 1-matrix, the 2-attachment screw, the 3-temperature sensor, the 4-optical element, the 5-trim ring, the 6-heating plate, 71-first mounting bracket, 72-second mounting bracket, the 8-control module, the 9-power supply, the 10-lead,
Embodiment
The utility model is simple in structure, only need mounting bracket is installed on the matrix 1, with trim ring optical element 4 is installed on the mounting bracket then, and heating plate 6 and temperature sensor 3 be set on mounting bracket, by the temperature of temperature sensor 3 (temperature controller) measurement mounting bracket, to heating plate 6 supplying time and electric current, make the mounting bracket linear expansion by control module 8 control power supplys 9, thereby change the spacing between the optical element 4, finally realize automatic fine tuning.Mounting bracket length and mounting bracket material can be selected according to fine setting distance and trimming precision, in order to satisfy the requirement of fine setting distance and precision, can also adopt high-expansion material as first mounting bracket 71, adopt low-expansion material as second mounting bracket 72, and the method installation and processing support that two kinds of supports are combined, wherein high-expansion material is thick fine setting part, can increase the fine setting distance; The low thermal expansion material is precise and tiny accent part, can increase trimming precision.
For example, in the time need regulating the focal length of the secondary mirror of optical facilities, can adopt aluminium is the mounting bracket material, and the mounting bracket of this moment can be used as time lens barrel and uses, and by changing time lens barrel temperature, makes time lens barrel because of temperature variation thermal expansion take place.The expansion coefficient of aluminium is 23.6 * 10
-6, aluminum barrel length is 100mm, and barrel thickness 3mm requires secondary mirror to move 50 μ m, and temperature need change 21.2 degree so, and this moment, required heat power consumption was about 3.66w (all exposing calculating by outer wall).If temperature-controlled precision is 0.2 degree, the error in length of aluminum barrel is 4.27 * 10
-4Mm that is to say that trimming precision is 4.27 * 10
-4Mm; Can also improve trimming precision by changing lens barrel material or optical tube length.
Claims (7)
1, a kind of optical system micromatic setting is characterized in that: comprise power supply (9), control module (8), first mounting bracket (71) of optical element (4), the heating plate (6) that is arranged on first mounting bracket (71) outside surface and temperature sensor (3) can be installed; Described first mounting bracket (71) is made by high-temperature expansion coefficient material; Described temperature sensor (3) can detect the temperature of first mounting bracket (71) and temperature data is transferred to control module (8), the break-make between described control module (8) control power supply (9) and the heating plate (6).
2, optical system micromatic setting according to claim 1 is characterized in that: described first mounting bracket (71) is for to be made by metal material.
3, optical system micromatic setting according to claim 2 is characterized in that: described first mounting bracket (71) is made by metallic aluminium or alloy aluminum.
4, optical system micromatic setting according to claim 1, it is characterized in that: described optical system micromatic setting also comprises and coaxial second mounting bracket (72) that is connected of first mounting bracket (71), described second mounting bracket (72) is made by low temperature expansion coefficient material, and described temperature sensor (3) can detect the temperature of second mounting bracket (72) and temperature data is transferred to control module (8).
5, optical system micromatic setting according to claim 4 is characterized in that: described first mounting bracket (71) is made by teflon, and described second mounting bracket (72) is made by metal material.
6, optical system micromatic setting according to claim 5 is characterized in that: described second mounting bracket (72) is made by metallic aluminium or alloy aluminum.
7, according to the described optical system micromatic setting of arbitrary claim of claim 1 to 6, it is characterized in that: described first mounting bracket (71) and second mounting bracket (72) are cylinder-shaped bracket, and described optical element (4) is installed in the one or both ends of cylinder-shaped bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200297766U CN201255783Y (en) | 2008-07-29 | 2008-07-29 | Fine tuning apparatus for optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200297766U CN201255783Y (en) | 2008-07-29 | 2008-07-29 | Fine tuning apparatus for optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201255783Y true CN201255783Y (en) | 2009-06-10 |
Family
ID=40739109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200297766U Expired - Fee Related CN201255783Y (en) | 2008-07-29 | 2008-07-29 | Fine tuning apparatus for optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201255783Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503061A (en) * | 2014-12-24 | 2015-04-08 | 中国科学院光电研究院 | Active thermal control focusing device for space camera |
| CN105431762A (en) * | 2013-05-27 | 2016-03-23 | 弗劳恩霍夫应用研究促进协会 | Optical structure on which connecting pieces are mounted and method for producing said optical structure |
| CN106199900A (en) * | 2016-07-14 | 2016-12-07 | 中国科学院光电研究院 | A kind of combination mirror holder with hot focusing function |
| CN106969754A (en) * | 2017-05-03 | 2017-07-21 | 中国科学院光电研究院 | A kind of thermal control focusing assistant resetting device and method |
-
2008
- 2008-07-29 CN CNU2008200297766U patent/CN201255783Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431762A (en) * | 2013-05-27 | 2016-03-23 | 弗劳恩霍夫应用研究促进协会 | Optical structure on which connecting pieces are mounted and method for producing said optical structure |
| US10571646B2 (en) | 2013-05-27 | 2020-02-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Optical structure with ridges arranged at the same and method for producing the same |
| CN104503061A (en) * | 2014-12-24 | 2015-04-08 | 中国科学院光电研究院 | Active thermal control focusing device for space camera |
| CN106199900A (en) * | 2016-07-14 | 2016-12-07 | 中国科学院光电研究院 | A kind of combination mirror holder with hot focusing function |
| CN106199900B (en) * | 2016-07-14 | 2019-07-09 | 中国科学院光电研究院 | A kind of combination mirror holder with hot focusing function |
| CN106969754A (en) * | 2017-05-03 | 2017-07-21 | 中国科学院光电研究院 | A kind of thermal control focusing assistant resetting device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20120729 |