CN106680859B - Sonde configuration and omnidirectional's detector with it - Google Patents
Sonde configuration and omnidirectional's detector with it Download PDFInfo
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- CN106680859B CN106680859B CN201510760337.7A CN201510760337A CN106680859B CN 106680859 B CN106680859 B CN 106680859B CN 201510760337 A CN201510760337 A CN 201510760337A CN 106680859 B CN106680859 B CN 106680859B
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Abstract
The invention discloses a kind of sonde configurations for realizing space electronic and the detection of charging potential omnidirectional, including Metal shielding shell, shielding cover body is covered with above shielding shell, lid center offers opening, opening lower section is to successively more than four thin metal layers are arranged in interval between housing bottom, be kept fixed in isolation between thin metal layer by insulating materials, the thickness of thin metal layer and the distance between the electron energy that shields as needed determine.The invention also discloses a kind of omnidirectional's detector with the sonde configuration.Compared with the existing technology, omnidirectional's detector of the invention can be realized 360 degree of direction arrangement probes in three-dimensional space, it can effectively realize the space electronic detection to different directions, and the risk that surface charging and discharging effects and interior charged effect occur can be analyzed according to the current potential of specific thicknesses metal layer.
Description
Technical field
The invention belongs to space environments and effect measurement technical field, and in particular to arrive a kind of realization space electronic and charging
The sonde configuration and detector of current potential omnidirectional detection.
Background technique
LEO charged particle radiation is mainly derived from the radiation belt of the earth, solar cosmic ray, galactic cosmic rays,
Main component is electronics, proton and a small amount of heavy ion.
Satellite charged effect is also known as charging and discharging effects, refers to that the environment such as satellite and space plasma and high energy electron are mutual
It acts on and the accumulation of electrostatic charge occurred and process of releasing, is divided into surface charging and discharging effects and interior charged effect.Surface charge and discharge
Effect refers to satellite and the process that under space environment interaction, charge is accumulated and released in satellite surface material.Interior electrification
Refer to space high energy charged particles across satellite covering, structure, device housings, in the dielectric or unearthed metal in star
Portion transports and deposits to establish the process of electric field.
Spacecraft high energy charged particles will occur after satellite structure the decaying of energy and flux.Therefore, pass through one
The shielding to heavy ion (including proton) in certain energy range may be implemented in the metal layer for determining thickness, and electronics is due to decaying
It is relatively small, and can still penetrate.
Although it has been generally acknowledged that space charged particle is isotropism, however, modulation and spacecraft due to solar activity
The influence of structure, in space or inside spacecraft, charged particle, especially electronics are anisotropic.
In space, the detection of space electronic is very important, the detection of space electronic is mainly using various
Detector, such as semiconductor detector realize that the segmentation to different-energy detects using the superposition of multi-layer detector.
Simultaneously as it has been generally acknowledged that space charged particle be isotropism, not yet carry out anisotropic detection.It closes the country
In the particle detection of satellite ZY-1, also only realized in 180 ranges in single plane from using three detectors
Detection.Referring specifically to Jia Xianghong, Zou Hong, Xu Feng, design light laser and the particle beams of medium energy electrons imager probe are waited
.2015,27 (1): Li Baoquan, B.WILKEN, ancestor's autumn rigid energy particle imaging spectrometer .2005- China's Space science association space
Detect the 18th academic conference of Professional Committee.
However, it is extremely important for carrying out 360 degree of omnidirectional's detection for space electronic and charging potential in space environment
, the measurement of 180 degree has been difficult to meet the needs of technology development, this is exactly real motivation place proposed by the present invention.Meanwhile
The present invention also can effectively realize the risk assessment of electronics bring spececraft charging and interior electrification within the scope of 360 degree.
Summary of the invention
The purpose of the present invention is to provide a kind of sonde configuration for realizing space electronic and the detection of charging potential omnidirectional, the spies
Header structure, to the high-efficiency shielding of heavy ion, penetrates the efficient of neutron, gamma ray etc., to the limited of electronics using metal material
The mechanism of shielding is designed by structure design and thickness optimization, to electronics and is filled for realizing 360 degree of ranges from three-dimensional
Electric potential is detected.
It is a further object of the present invention to provide a kind of detector with above-mentioned sonde configuration, which can facilitate
Ground is arranged in spacecraft and outside spacecraft, realizes that 360 degree of ranges detect electronics and charging potential.
The present invention is achieved through the following technical solutions:
A kind of sonde configuration for realizing space electronic and the detection of charging potential omnidirectional, including Metal shielding shell, shielding are outer
Shielding cover body is covered with above shell, lid center offers opening, opening lower section to successively interval setting four between housing bottom
A above thin metal layer is kept fixed in isolation between thin metal layer by insulating materials, the thickness of thin metal layer and it
Between the distance electron energy that shields as needed determine.
Wherein, the metal material of the low atomic numbers such as thin metal layer Al, Cu.Wherein, thin metal layer with a thickness of 0.001
~1mm.
Wherein, the distance between thin metal layer is 0.1~10cm.
Detector with above-mentioned sonde configuration, 14 sonde configurations arranged including ball support and thereon, wherein with
The centre of sphere is coordinate origin, establishes mutually perpendicular three-dimensional system of coordinate respectively, and reference axis is expressed as x, y, z, 14 detectors point
Not in the intersection point of (x, 0,0), (- x, 0,0), (0, y, 0), (0 ,-y, 0), (0,0, z), (0,0 ,-z) totally 6 reference axis and spherical surface
Position, (x, y, z), (x, y ,-z), (- x, y, z), (- x, y ,-z), (x ,-y, z), (x ,-y ,-z), (- x ,-y, z), (- x ,-
Y ,-z) intersection position of totally 8 reference axis and spherical surface be arranged, the direction of detector is perpendicular to spherical surface direction.
Compared with the existing technology, omnidirectional's detector of the invention can be realized 360 degree of direction arrangements in three-dimensional space
Probe can effectively realize the detection to space electronic, and can analyze according to the current potential of specific thicknesses metal layer and obtain surface charge and discharge
The risk of electrical effect and interior charged effect.
Detailed description of the invention
Fig. 1 is the structural representation of the single probe structure for realizing space electronic and the detection of charging potential omnidirectional of the invention
Figure, in figure, 1,2,3,4 be thin metal layer, and the electron energy that thickness shields as needed determines, each thin metal layer is with exhausted
Edge material is fixed, and keeps isolated.5 be the shell of detector, uses metal as shielding construction, excludes other electronics and heavy ion etc.
Influence.
Fig. 2 is the structural schematic diagram of omnidirectional's detector with single probe structure of one embodiment of the present invention.
Fig. 3 is the status diagram that omnidirectional's detector of the invention is detected outside spacecraft.
Fig. 4 is the status diagram that omnidirectional's detector of the invention is detected in spacecraft.
Specific embodiment
Omnidirectional's detector with single probe structure of the invention is further described with reference to the accompanying drawing, this is said
It is bright to be only exemplary, it is no intended to limit the scope of the invention.
Referring to the structural schematic diagram for the single probe structure that Fig. 1, Fig. 1 are space electronic and the detection of charging potential omnidirectional.?
In the figure, 1,2,3,4 be thin metal layer.Wherein, 1 thinner thickness of thin metal layer, the purpose is to realize to block sunlight
It is blocked with to proton and heavy ion, thickness is determined by the proton of quasi- shielding and the energy of heavy ion；Thin metal layer 2,3,4 etc. is
In order to realize that the electronics to different-energy detects, and obtain quantity and charging that different-energy electronics deposits in the metal layer
Current potential, the electron energy that thickness shields as needed determine that each thin metal layer fixed with insulating materials, keep isolated.5 are
The shell of detector uses metal as shielding construction, excludes the influence of other electronics and heavy ion etc..It is placed on when by detector
When in cabin, since spacecraft bulkhead has effectively shielded most of proton and heavy ion, thin metal layer 1 can be used for detecting
Electronics needs to be isolated using insulating materials.
Since electronics can with the increase of metal layer thickness by off-energy during penetrating thin metal layer
The electron energy of prevention is higher and higher, and therefore, the energy for the electronics being deposited in different metal is respectively at different energy models
It encloses.Assuming that metal layer 1, metal layer 2, metal layer 3, metal layer 4, can stop to be respectively E1, E2, E3 and E4 to electron energy,
Then meet E1 < E2 < E3 < E4.If the number of plies of thin metal layer is up to n-layer, meet, E1 < E2 < E3 < E4 < ... < En.Due to
Each layer is isolated layer, therefore, after certain energy electron is deposited on metal layer, will cause the increase of the quantity of electric charge, the liter of current potential
It is high.Current potential by measuring different metal layer can analyze the electron energy deposited, flux in conjunction with the thickness of metal layer,
Also it can further analyze to obtain the current potential of surface charging potential or interior electrification.
Fig. 2 is the arrangement orientation diagram of each probe of omnidirectional's detector.Detector is designed as the more of ball-shaped or class ball
Face figure establishes mutually perpendicular three-dimensional system of coordinate using center as coordinate origin (0,0,0) respectively, reference axis be expressed as x,
Y, z, 14 detectors are sat for 6 in (x, 0,0), (- x, 0,0), (0, y, 0), (0 ,-y, 0), (0,0, z), (0,0 ,-z) totally respectively
The intersection position of parameter and spherical surface, (x, y, z), (x, y ,-z), (- x, y, z), (- x, y ,-z), (x ,-y, z), (x ,-y ,-z),
The intersection position of totally 8 reference axis and spherical surface is arranged by (- x ,-y, z), (- x ,-y ,-z), and the direction of detector is perpendicular to ball
Face direction.
Specific embodiment are as follows:
1) a spherical or spherical polyhedron-shaped detector is built to exist respectively using detector center as coordinate origin
The intersection point position of (x, 0,0), (- x, 0,0), (0, y, 0), (0 ,-y, 0), (0,0, z), (0,0 ,-z) totally 6 reference axis and spherical surface
Set, (x, y, z), (x, y ,-z), (- x, y, z), (- x, y ,-z), (x ,-y, z), (x ,-y ,-z), (- x ,-y, z), (- x ,-y ,-
Z) detector probe is arranged on the intersection position of totally 8 reference axis and spherical surface.Probe vertical and spherical surface start outside short.
2) each detector probe is made of 3 layers or more of thin metal layer.When being placed on outside spacecraft module, outermost layer adds
One layer is added to block sunlight or high energy proton/heavy ion thin metal layer.Each thin metal layer is isolated with insulating materials.It is visiting
During survey, every layer of charging potential is measured respectively.By the thickness and measured current potential of every layer of thin metal layer, electronics is analyzed
Energy and the risk that surface charging and discharging effects and interior charged effect occur.
3) when being placed in spacecraft module, using the insulating support rod with certain length, detector is suspended in boat
In its device cabin, referring to Fig. 3.
4) when being placed on outside spacecraft module, using the insulating bar with certain length, detector is suspended in spacecraft
Out of my cabin, occlusion effect will not be generated to detector by and ensuring spacecraft etc., referring to fig. 4.
Although the detailed description and description of the specific embodiments of the present invention are given above, it should be noted that
We can carry out various equivalent changes and modification to above embodiment according to the concept of the present invention, and generated function is made
It, should all be within protection scope of the present invention when with the spirit still covered without departing from specification and attached drawing.
Claims (4)
1. the sonde configuration of space electronic and the detection of charging potential omnidirectional, including Metal shielding shell are realized, above shielding shell
It is covered with shielding cover body, lid center offers opening, and opening lower section is to successively interval setting four or more between housing bottom
Thin metal layer, be kept fixed in isolation by insulating materials between thin metal layer, the thickness of thin metal layer and between away from
It is determined from the electron energy shielded as needed, 14 sonde configurations arranged including ball support and thereon, wherein with ball
The heart is coordinate origin, establishes mutually perpendicular three-dimensional system of coordinate respectively, and reference axis is expressed as x, y, z, 14 detector difference
The intersection point position of totally 6 reference axis and spherical surface in (x, 0,0), (- x, 0,0), (0, y, 0), (0 ,-y, 0), (0,0, z), (0,0 ,-z)
Set, (x, y, z), (x, y ,-z), (- x, y, z), (- x, y ,-z), (x ,-y, z), (x ,-y ,-z), (- x ,-y, z), (- x ,-y ,-
Z) intersection position of totally 8 reference axis and spherical surface is arranged, and the direction of detector is perpendicular to spherical surface direction.
2. sonde configuration as described in claim 1, wherein thin metal layer is Al or Cu.
3. sonde configuration as described in claim 1, wherein thin metal layer with a thickness of 0.001~1mm.
4. sonde configuration as described in claim 1, wherein the distance between thin metal layer is 0.1~10cm.
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| CN201510760337.7A CN106680859B (en) | 2015-11-09 | 2015-11-09 | Sonde configuration and omnidirectional's detector with it |
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| CN106680859B true CN106680859B (en) | 2019-01-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108106667B (en) * | 2017-12-15 | 2019-11-26 | 北京卫星环境工程研究所 | Geostationary orbit space environment and the integrated detection device of effect |
| CN108072888B (en) * | 2017-12-15 | 2019-10-29 | 北京卫星环境工程研究所 | Medium-Earth Orbit space environment and the integrated detection device of effect |
| CN113109857B (en) * | 2021-03-24 | 2024-04-19 | 北京大学 | Medium-energy electronic detection probe and medium-energy electronic detector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167529A (en) * | 1994-09-29 | 1997-12-10 | 耶路撒冷希伯来语大学依苏姆研究开发公司 | Radiation detection system and processes for preparing the same |
| US5955743A (en) * | 1995-03-01 | 1999-09-21 | Schroeder; Hehrwart | Superconductive tunnel elements, tunnel stacks produced therefrom and use thereof |
| CN102183779A (en) * | 2010-12-29 | 2011-09-14 | 中国科学院空间科学与应用研究中心 | Multidirectional high energy particle detector |
| CN102967871A (en) * | 2012-11-12 | 2013-03-13 | 中国航天科技集团公司第五研究院第五一〇研究所 | Detection method for space low-energy electrons and protons |
-
2015
- 2015-11-09 CN CN201510760337.7A patent/CN106680859B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167529A (en) * | 1994-09-29 | 1997-12-10 | 耶路撒冷希伯来语大学依苏姆研究开发公司 | Radiation detection system and processes for preparing the same |
| US5955743A (en) * | 1995-03-01 | 1999-09-21 | Schroeder; Hehrwart | Superconductive tunnel elements, tunnel stacks produced therefrom and use thereof |
| CN102183779A (en) * | 2010-12-29 | 2011-09-14 | 中国科学院空间科学与应用研究中心 | Multidirectional high energy particle detector |
| CN102967871A (en) * | 2012-11-12 | 2013-03-13 | 中国航天科技集团公司第五研究院第五一〇研究所 | Detection method for space low-energy electrons and protons |
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