CN106125298A - Contactless space optical remote sensor reflecting mirror surface shape control system - Google Patents
Contactless space optical remote sensor reflecting mirror surface shape control system Download PDFInfo
- Publication number
- CN106125298A CN106125298A CN201610795106.4A CN201610795106A CN106125298A CN 106125298 A CN106125298 A CN 106125298A CN 201610795106 A CN201610795106 A CN 201610795106A CN 106125298 A CN106125298 A CN 106125298A
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- Prior art keywords
- reflecting mirror
- temperature
- refrigeration unit
- radiant type
- type heating
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0825—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Contactless space optical remote sensor reflecting mirror surface shape control system belongs to space optics technical field, it is placed in the groove of mirror back surface with refrigeration unit including radiant type heating, do not contact with bottom and the side surface of groove, control mirror temperature by heat radiation mode；Substrate is arranged on the back side of reflecting mirror, fixing and support radiant type heating and refrigeration unit；Temperature sensor is installed on the mirror, detects mirror temperature；Multilayer insulation assembly, is arranged on substrate, cladding radiant type heating and refrigeration unit, substrate and temperature sensor, reduces the heat exchange of radiant type heating and refrigeration unit with external environment condition；Control electronic box, mounted externally, measure temperature sensor temperature, control mirror temperature by radiant type heating in real time with refrigeration unit, to complete reflecting mirror surface shape control and correction.The present invention does not has any mechanical disturbance, and face shape degree of regulation is high, simple in construction, low cost.System scale easily extends, it is possible to adapt to the size of various reflecting mirror.
Description
Technical field
The invention belongs to space optics technical field, be specifically related to a kind of contactless space optical remote sensor mirror surface
Shape control system.
Background technology
Along with astronomical telescope bore is increasing, active optics technology obtains increasingly in large-scale astronomical telescope
Wide application, plays more and more important in terms of improving primary mirror of astronomical telescope surface figure accuracy, improving astronomical telescope picture element
Effect.
Active optics (be divided into thin mirror surface and spell two kinds of active optics technology of minute surface) grows up in the eighties, it
The rigidity by optical mirror plane itself of changing over keeps the tradition of precision, is provided with up to a hundred computers at slim primary mirror rear
The force actuator controlled, axially applies calibrated force, thus reaches to control the purpose of reflecting mirror surface shape, adjust frequency about along reflecting mirror
0.01Hz～1Hz.Force actuator is supporting mechanism for location in thin mirror surface active optics technology, is the most also correction mirror shape
Actuator.In actual applications, generally constituting force actuator group with multiple force actuators, the location realizing reflecting mirror is propped up
Support dough-making powder shape calibration function.
Active optics technology all uses force actuator to apply calibrated force at present, needs directly to contact mirror body, has
Significantly shortcoming, such as system complex, mechanical disturbance is big, weight is high.
Summary of the invention
It is contemplated that solve one of above-mentioned technical problem the most to a certain extent or provide at a kind of useful business
Industry selects.To this end, it is an object of the invention to propose the contactless space optical remote sensor reflecting mirror of a kind of mechanical disturbance
Surface contral system.
It is as follows that the present invention solves the technical scheme that technical problem used:
Contactless space optical remote sensor reflecting mirror surface shape control system, including the heating of: radiant type and refrigeration unit 1,
Substrate 2, temperature sensor 3, multilayer insulation assembly 4, control electronic box 5 radiant type heating are fixed on a substrate 2 with refrigeration unit 1,
Being positioned in the lightweight structure of reflecting mirror 6 rear portion, outer surface is high emissivity surface, has heating and refrigerating function.Temperature sensing
Device 3 is pasted onto on reflecting mirror 6 mirror body.Multilayer insulation assembly 4 is positioned at substrate back, cladding radiant type heating and refrigeration unit 1, base
Plate 2 and temperature sensor 3.Control electronic box 5 to be connected by wire with refrigeration unit 1 and temperature sensor 3 with radiant type heating.This
Invention work process: temperature sensor 3 real-time detection mirror temperature distribution situation, control electronic box 5 according to built-in temperature-
Surface contral program, controls radiant type heating and heats or freeze with refrigeration unit 1, to reflection by the way of radiant heat transmits
Mirror temperature everywhere is adjusted, and completes control and the correction of reflecting mirror surface shape throughout under different temperatures effect.
Advantages of the present invention: without any moving component, mechanical disturbance, degree of regulation is high, and simple in construction is lightweight, becomes
This is low.System scale easily extends, it is possible to adapt to the size of various reflecting mirror.
Accompanying drawing explanation
Fig. 1 is contactless reflecting mirror surface shape control system principle schematic.
Fig. 2 is radiant type heating and refrigeration unit apparent condition figure.
In figure: 1, radiant type heating and refrigeration unit, 2, substrate, 3, temperature sensor, 4, multilayer insulation assembly, 5, control
Electronic box and 6, reflecting mirror.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in detail.Fig. 1, Fig. 2 provide the suitable of the present invention
A kind of detailed description of the invention for the contactless reflecting mirror surface shape control system of space optical remote sensor.
A kind of contactless reflecting mirror surface shape control system for space optical remote sensor, including:
At least 1 radiant type heating has high emissivity surface with refrigeration unit 1, is placed in the groove at reflecting mirror 6 back side,
Bottom and side surface with groove do not release, and control mirror temperature by heat radiation mode；Substrate 2, is arranged on reflecting mirror 6
The back side, installs with the spaced heat of radiant type heating with refrigeration unit, is used for fixing and support radiant type heating and refrigeration unit 1；
At least 1 temperature sensor 3, is arranged on reflecting mirror 6, detects reflecting mirror 6 temperature；At least 1 multilayer insulation assembly 4, passes through
Velcro, gluing or tether mode are installed on a substrate 2, cladding radiant type heating and refrigeration unit 1, substrate 2 and temperature
Sensor 3, reduces the heat exchange of radiant type heating and refrigeration unit 1 with external environment condition；Control electronic box 5, mounted externally, built-in
Temperature Measuring Program, heating and refrigeration control program, temperature-Surface contral program, measure temperature sensor temperature, by radiation
Formula heating controls reflecting mirror 6 temperature, to complete reflecting mirror 6 Surface contral and correction in real time with refrigeration unit.
In one embodiment of the invention, reflecting mirror 6 back lightweight structure is cellular structure, radiant type heating with
Refrigeration unit 1 is cylindrical structural, surface spraying high emissivity coating, and emissivity is not less than 0.9.Radiant type heating is single with refrigeration
The spoke side of unit 1 is inserted in reflecting mirror 6 honeycomb fashion lightweight hole, and the spacing between reflecting mirror 6 mirror body is 5mm～10mm,
Its installation end is installed on a substrate 2 by heat insulating mattress.Substrate 2 is flat aluminium alloy plate, and material trademark is 7A09, and thickness is 5mm.Temperature
Degree sensor 3 uses critesistor, and model is MF501, is pasted onto on mirror body by room temperature vulcanized silicone rubber GD414.
The building form of each unit of multilayer insulation assembly 4 is 1 film 1 net, totally 15 unit.Multilayer insulation assembly 4 is taken by nylon
Button is fixing on a substrate 2.Control electronic box and form closed loop with radiant type heating with refrigeration unit 1 and temperature sensor 3 by wire
Control loop.Control electronic box 5 built-in temperatures-Surface contral program, according to the mirror temperature of temperature sensor 3 feedback, pass through
Radiant type heating controls reflecting mirror temperature everywhere with refrigeration unit 1, completes reflecting mirror surface shape control and correction.
In the present invention, unless otherwise clearly defined and limited, " be connected ", " fixing ", the term such as " stickup " should do extensively
Reason and good sense solution, connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be mechanical connection, glue
It is connected, electrically connects；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals
Connection.For the ordinary skill in the art, above-mentioned term tool in the present invention can be understood as the case may be
Body implication.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art is without departing from the principle of the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, revise, replace and modification.
Claims (5)
- The most contactless space optical remote sensor reflecting mirror surface shape control system, it is characterised in that including:The heating of at least 1 radiant type and refrigeration unit, be placed in the groove of mirror back surface, not with bottom and the side surface of groove Contact, controls mirror temperature by heat radiation mode；Substrate, is arranged on the back side of reflecting mirror, is used for fixing and support radiant type heating and refrigeration unit；At least 1 temperature sensor, installs on the mirror, detects mirror temperature；At least 1 multilayer insulation assembly, is arranged on substrate, cladding radiant type heating and refrigeration unit, substrate and temperature sensing Device, reduces the heat exchange of radiant type heating and refrigeration unit with external environment condition；Control electronic box, mounted externally, measure temperature sensor temperature, controlled in real time instead with refrigeration unit by radiant type heating Penetrate mirror temperature, to complete reflecting mirror surface shape control and correction.
- Contactless space optical remote sensor reflecting mirror surface shape control system the most as claimed in claim 1, it is characterised in that institute State radiant type heating, with refrigeration unit, there is high emissivity surface.
- Contactless space optical remote sensor reflecting mirror surface shape control system the most as claimed in claim 1, it is characterised in that institute State the spaced heat installation of substrate and radiant type heating with refrigeration unit.
- Contactless space optical remote sensor reflecting mirror surface shape control system the most as claimed in claim 1, it is characterised in that institute State multilayer insulation assembly by the way of velcro, gluing or tether fixing on the substrate.
- Contactless space optical remote sensor reflecting mirror surface shape control system the most as claimed in claim 1, it is characterised in that institute State control electronic box built-in temperature process of measurement, heating and refrigeration control program, temperature-Surface contral program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795106.4A CN106125298A (en) | 2016-08-31 | 2016-08-31 | Contactless space optical remote sensor reflecting mirror surface shape control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795106.4A CN106125298A (en) | 2016-08-31 | 2016-08-31 | Contactless space optical remote sensor reflecting mirror surface shape control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106125298A true CN106125298A (en) | 2016-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610795106.4A Pending CN106125298A (en) | 2016-08-31 | 2016-08-31 | Contactless space optical remote sensor reflecting mirror surface shape control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144900A (en) * | 2017-06-23 | 2017-09-08 | 中国科学院长春光学精密机械与物理研究所 | A kind of diaphragm and the optical instrument with the diaphragm |
| CN110030760A (en) * | 2019-03-29 | 2019-07-19 | 宁波瑞凌新能源科技有限公司 | A kind of radiation refrigeration structure |
Citations (4)
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|---|---|---|---|---|
| US20030169520A1 (en) * | 2002-03-11 | 2003-09-11 | Michael Goldstein | Mirror assembly with thermal contour control |
| CN103293662A (en) * | 2013-06-07 | 2013-09-11 | 清华大学 | Reflecting mirror surface shape control device |
| CN104062741A (en) * | 2014-06-06 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Supporting structure for primary mirror of large-caliber reflector |
| CN105190443A (en) * | 2013-03-14 | 2015-12-23 | 卡尔蔡司Smt有限责任公司 | Arrangement for the thermal actuation of a mirror |
-
2016
- 2016-08-31 CN CN201610795106.4A patent/CN106125298A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030169520A1 (en) * | 2002-03-11 | 2003-09-11 | Michael Goldstein | Mirror assembly with thermal contour control |
| CN105190443A (en) * | 2013-03-14 | 2015-12-23 | 卡尔蔡司Smt有限责任公司 | Arrangement for the thermal actuation of a mirror |
| CN103293662A (en) * | 2013-06-07 | 2013-09-11 | 清华大学 | Reflecting mirror surface shape control device |
| CN104062741A (en) * | 2014-06-06 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Supporting structure for primary mirror of large-caliber reflector |
Non-Patent Citations (2)
| Title |
|---|
| 余凯: "空间辐射制冷器的发展", 《红外》 * |
| 杨献伟等: "空间光学遥感器热设计", 《中国光学》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144900A (en) * | 2017-06-23 | 2017-09-08 | 中国科学院长春光学精密机械与物理研究所 | A kind of diaphragm and the optical instrument with the diaphragm |
| CN107144900B (en) * | 2017-06-23 | 2019-10-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of diaphragm and the optical instrument with the diaphragm |
| CN110030760A (en) * | 2019-03-29 | 2019-07-19 | 宁波瑞凌新能源科技有限公司 | A kind of radiation refrigeration structure |
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Application publication date: 20161116 |