CN208526205U - The space molecular adsorption device of flat repeatable activation - Google Patents
The space molecular adsorption device of flat repeatable activation Download PDFInfo
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- CN208526205U CN208526205U CN201820901614.0U CN201820901614U CN208526205U CN 208526205 U CN208526205 U CN 208526205U CN 201820901614 U CN201820901614 U CN 201820901614U CN 208526205 U CN208526205 U CN 208526205U
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- Separation Of Gases By Adsorption (AREA)
Abstract
This patent discloses a kind of space molecular adsorption devices of flat repeatable activation.It includes wire mesh bag, support frame, heat pipe, resistive heater.Adsorbent material molecular sieve 13X particle is placed in wire mesh bag, this wire mesh bag is installed on the support frame of aluminium alloy.This support frame be adsorbent material molecular sieve 13X it is activating bed and meanwhile be also molecular sieve temperature controlled substrate.The pre-buried resistive heater on this support frame draws heat-conductive thermo tube in support frame reverse side.The structure type can effectively carry adsorbent material molecular sieve 13X, and maximize the contact area with space, while the setting of heat pipe can provide lower environment temperature, widen material adsorption capacity.Influence of the in-orbit molecular contaminants to sensing surface can be effectively controlled in this design method.
Description
Technical field
This patent is related to a kind of space molecular adsorption device of flat repeatable activation, and in particular to material, technique and
Structure type, it is mainly used in geostationary orbit Space Remote Sensors.Gaseous molecular pair is reduced from the path of space-pollution
The influence of optical mirror plane and sensing surface, better purifying space remote sensor operation on orbit environment help to extend Space Remote Sensors use
Service life.
Background technique
The continuous development of space exploration technology, space probe operation on orbit longer life expectancy, function is wider, detection performance more
High factor enhances the susceptibility of space probe itself also therewith.Space-pollution is exactly one for influencing space probe
Key factor.It is again big and not easy to control with molecular contamination influence value in space-pollution.Its influence is mainly reflected in: molecular contaminants
It is deposited on thermal control surface, will affect the emissivity and absorptivity on its surface, and then influence the work of space probe temperature control system,
It will cause the certain component failures of space probe when serious；For optical surface, molecular contamination can make reflectance of reflector or
The transmitance of lens reduces, and signal strength reduces, and signal-to-noise ratio decline reduces the performance and efficiency of optical system；For sensor,
The absorption of pollution layer causes sensor to receive light intensity decline, to influence signal output；For solar cell, molecular contamination meeting
Its transmitance is reduced, while molecular contamination deposition will increase solar cell plate temperature, so that solar battery output power declines.
The material of low deflation rate is selected when design, and is aided with degassing processing technique, is the means of Current terrestrial contamination control,
However, due to the working environment of ultralow vacuum degree, period frequent high/low temperature circulation when space probe operation on orbit, so that non-
The small molecule of metal material is precipitated unavoidably, and the molecular contamination formed to sensitive area must be controlled, external at present existing
It explores, it is domestic very few at present to the control means of pollution.Satellite resource is nervous simultaneously, how to realize low energy consumption and efficiently controls
Molecular contamination is a critical issue for currently needing to solve.
Summary of the invention
In order to solve the problems in the existing technology, it uses in the space that this patent provides a kind of flat repeatable activation
Molecular adsorption device design, the structure type is easy to operate, is effectively improved optical surface and other sensing surfaces in space probe
In-orbit Space-Work environment.
This patent technical scheme applied to solve the technical problem is as follows:
A kind of space molecular adsorption device of flat repeatable activation, including the internal Molecular Adsorption material molecule that contains sieve
Wire mesh bag 1, support frame 2, heat pipe 3, the resistive heater 4 of 13X.Contain the peace of adsorbent material molecular sieve 13X wire mesh bag 1
It is attached to 2 side of support frame, heat pipe 3 is installed in 2 other side of support frame.The resistive heater 4 buried in support frame 2 is heated to certain temperature
The activity of (200 DEG C -320 DEG C) excitation adsorbent material molecular sieve 13X；Stop heating after activation；It is hot after into predetermined space track
Pipe 3 is opened, and low temperature environment is provided；Adsorbent material molecular sieve 13X starts gaseous molecular in adsorption space.
Wire mesh bag 1 is that 80~200 mesh wire meshes are prepared.
Support frame 2 is aluminum alloy materials, has good heating conduction, convenient for building high temperature or low temperature environment.
3 one end of heat pipe is connect with support frame (2), and the other end connects cold temperature source, provides lasting cryogenic absorption environment.
4 temperature of resistive heater is controlled by temperature control system.
The beneficial effect of this patent is: better purifying space remote sensor optical surface and its sensing surface operation on orbit environment subtract
Deposition of few free molecule in sensing surface.The risk for reducing the decline of Space Remote Sensors performance or failure, extends Space Remote Sensors
In-orbit service life.
Detailed description of the invention
Fig. 1 is molecular adsorption device structure chart, in figure: 1 wire mesh bag, 2 support frames, 3 heat pipes, 4. resistive heaters.
Fig. 2 is molecular adsorption device local structural graph.
Specific embodiment
The wire mesh bag 1 of 80 mesh preparation is installed on support frame 2, and adsorbent material molecular sieve 13X is contained into wire mesh
In bag 1, the resistive heater 4 buried in support frame 2 is heated to the activity of 220 DEG C of excitation adsorbent material molecular sieve 13X；After activating 2h
Stop heating；Heat pipe 3 is opened after Space Remote Sensors enter space planned orbit；Adsorbent material molecular sieve 13X starts adsorption space
Middle gaseous molecular.
Claims (1)
1. a kind of space molecular adsorption device of flat repeatable activation, including the internal Molecular Adsorption material molecule that contains sieve
The wire mesh bag (1) of 13X, support frame (2), heat pipe (3), resistive heater (4) it is characterized by:
The interior wire mesh bag (1) for containing adsorbent material molecular sieve 13X is mounted on support frame (2) side, support frame (2) other side
It installs heat pipe (3), heat pipe (3) one end is connect with support frame (2), and the other end connects cold temperature source, provides lasting cryogenic absorption ring
Border, support frame (2) is internal to be buried resistive heater (4), and hot water radiation wire (4) is connect by cable with temperature control system；
The wire mesh bag (1) of the interior splendid attire adsorbent material molecular sieve 13X is prepared by 80~200 mesh wire meshes；
The support frame (2) is aluminium alloy support frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820901614.0U CN208526205U (en) | 2018-06-12 | 2018-06-12 | The space molecular adsorption device of flat repeatable activation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820901614.0U CN208526205U (en) | 2018-06-12 | 2018-06-12 | The space molecular adsorption device of flat repeatable activation |
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| CN208526205U true CN208526205U (en) | 2019-02-22 |
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| CN201820901614.0U Active CN208526205U (en) | 2018-06-12 | 2018-06-12 | The space molecular adsorption device of flat repeatable activation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607327A (en) * | 2018-06-12 | 2018-10-02 | 中国科学院上海技术物理研究所 | A kind of space molecular adsorption device of flat repeatable activation |
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2018
- 2018-06-12 CN CN201820901614.0U patent/CN208526205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607327A (en) * | 2018-06-12 | 2018-10-02 | 中国科学院上海技术物理研究所 | A kind of space molecular adsorption device of flat repeatable activation |
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