CN102455273B - Method for measuring atomic oxygen flux density - Google Patents
Method for measuring atomic oxygen flux density Download PDFInfo
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- CN102455273B CN102455273B CN201010523070.7A CN201010523070A CN102455273B CN 102455273 B CN102455273 B CN 102455273B CN 201010523070 A CN201010523070 A CN 201010523070A CN 102455273 B CN102455273 B CN 102455273B
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000004907 flux Effects 0.000 title claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 25
- 230000008859 change Effects 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 2
- 238000003380 quartz crystal microbalance Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
本发明公开了一种原子氧通量密度的测量方法，包括在原子氧环境中的相同位置设置两个相同规格的作为探测器探头的太阳电池片，第一块电池片的主表面用半透膜进行包覆，而第二块电池片(参考太阳电池片)不覆盖半透膜，两块电池片通过已知的太阳电池阵工艺粘结在基板上，通过测量两个短路电流的变化探测环境原子氧通量密度。本发明的测量方法采用的探测器探头是卫星常用的太阳电池，无功耗、重量轻、体积小。可以用在任何卫星上，具有通用性，价格低廉、可靠，可以实现航天器在轨原子氧环境的实时监测并为低地球轨道长寿命航天器可靠性设计提供数据支持。
The invention discloses a method for measuring the flux density of atomic oxygen, which comprises setting two solar cell sheets of the same specification as detector probes at the same position in the atomic oxygen environment, and the main surface of the first cell sheet is semi-permeable. The membrane is coated, while the second cell (reference solar cell) is not covered with a semi-permeable membrane. The two cells are bonded to the substrate by a known solar cell array process and detected by measuring the change of the two short-circuit currents. Ambient atomic oxygen flux density. The detector probe used in the measuring method of the present invention is a solar cell commonly used in satellites, which has no power consumption, light weight and small volume. It can be used on any satellite, has versatility, low price and reliability, can realize the real-time monitoring of the atomic oxygen environment of the spacecraft in orbit and provide data support for the reliability design of the long-life spacecraft in low earth orbit.
Description
技术领域technical field
本发明属于空间环境探测领域，具体来说，本发明涉及一种利用太阳电池测量原子氧环境密度的方法。The invention belongs to the field of space environment detection, in particular, the invention relates to a method for measuring the density of atomic oxygen environment by using a solar cell.
背景技术Background technique
原子氧通量密度可以用许多技术进行测量，包括标定样品的质量损失法、石英晶体微天平法(QCM)、质谱法、电阻传感器法等。这些方法或者极其昂贵，要求回收样品，或者很复杂难于在航天器上实现。因此提出一个新的方法，利用太阳电池进行轨道原子氧通量密度测量。The atomic oxygen flux density can be measured by a number of techniques, including mass loss of calibration samples, quartz crystal microbalance (QCM), mass spectrometry, resistive sensor method, etc. These methods are either extremely expensive, require sample recovery, or are too complex to implement on a spacecraft. Therefore, a new method is proposed for orbital atomic oxygen flux density measurement using solar cells.
太阳电池表面覆盖一层原子氧敏感的半透膜材料，例如聚酰亚胺膜或者无定形碳膜。半透膜在原子氧环境作用下，透过率发生变化。半透膜光学透过率变化，引起太阳电池短路电流的变化，通过测量电池短路电流的变化，获得原子氧环境的通量密度。The surface of the solar cell is covered with a semi-permeable membrane material sensitive to atomic oxygen, such as polyimide membrane or amorphous carbon membrane. The transmissivity of the semipermeable membrane changes under the action of atomic oxygen environment. The change of the optical transmittance of the semi-permeable membrane causes the change of the short-circuit current of the solar cell, and the flux density of the atomic oxygen environment is obtained by measuring the change of the short-circuit current of the battery.
发明内容Contents of the invention
本发明的目的在于提供一种原子氧的通量密度的测量方法，该方法利用半透膜的透过率变化对太阳电池短路电流的影响，从而完成原子氧通量密度的测试。The object of the present invention is to provide a method for measuring the flux density of atomic oxygen, which utilizes the influence of the transmittance change of the semipermeable membrane on the short-circuit current of the solar cell, thereby completing the test of the flux density of atomic oxygen.
为了实现上述目的，本发明采用了如下的技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种原子氧通量密度的测量方法，包括在原子氧环境中的相同位置设置两个相同规格的作为探测器探头的太阳电池片，第一块电池片的主表面用半透膜进行包覆，而第二块电池片(参考太阳电池片)不覆盖半透膜，两块电池片通过已知的太阳电池阵工艺粘结在基板上，从两太阳电池片上分别引出两条测量线，对各自的短路电流进行测量，通过测量电池短路电流的变化，获得原子氧环境的通量密度。A method for measuring the atomic oxygen flux density, comprising setting two solar cells of the same specification as detector probes at the same position in the atomic oxygen environment, and the main surface of the first cell is coated with a semipermeable membrane , while the second solar cell (reference solar cell) does not cover the semi-permeable membrane, the two solar cells are bonded on the substrate through a known solar cell array process, and two measurement lines are respectively drawn from the two solar cells. The respective short-circuit currents are measured, and the flux density of the atomic oxygen environment is obtained by measuring the change of the short-circuit current of the battery.
优选地，所述半透膜为聚酰亚胺膜或无定形碳膜。Preferably, the semipermeable membrane is a polyimide membrane or an amorphous carbon membrane.
优选地，所述基板为铝板、铝蜂窝板等。Preferably, the substrate is an aluminum plate, an aluminum honeycomb plate, or the like.
本发明的测量方法采用的探测器探头是卫星常用的太阳电池，无功耗、重量轻、体积小。可以用在任何卫星上，具有通用性，价格低廉、可靠，可以实现航天器在轨原子氧环境的实时监测并为低地球轨道长寿命航天器可靠性设计提供数据支持。The detector probe used in the measurement method of the invention is a solar cell commonly used in satellites, which has no power consumption, light weight and small volume. It can be used on any satellite, has versatility, low price and reliability, can realize the real-time monitoring of the atomic oxygen environment of the spacecraft in orbit and provide data support for the reliability design of the long-life spacecraft in low earth orbit.
附图说明Description of drawings
图1是本发明的原子氧通量密度的测量方法的原理图。Fig. 1 is a schematic diagram of the method for measuring the atomic oxygen flux density of the present invention.
其中，1-参考太阳电池片；2-太阳电池片；3-半透膜。Among them, 1-reference solar cell; 2-solar cell; 3-semipermeable membrane.
具体实施方式detailed description
以下参照附图对本发明的原子氧的通量密度的测量方法进行详细说明，但这仅仅是示例性的，并不旨在限定其保护范围，其保护范围由附上的权利要求进行限定。The method for measuring the flux density of atomic oxygen of the present invention will be described in detail below with reference to the accompanying drawings, but this is only exemplary and not intended to limit its protection scope, which is defined by the appended claims.
如图1所示，本发明的原子氧的通量密度的测量方法包括采用两个太阳电池片，第一个太阳电池片2的主表面包覆半透膜3如聚酰亚胺膜、无定形碳膜，该太阳电池片暴露原子氧环境下发生侵蚀，半透膜的光学透过率发生变化，太阳电池的短路电流会随之发生变化。第二块太阳电池片(参考太阳电池片1)不覆盖半透膜，在原子氧环境下发生侵蚀，这样可以消除温度及光照角的影响。由于太阳电池的短路电流与半透膜的透过率有关，因此，原子氧侵蚀会影响半透膜的光学透过率，近而影响太阳电池的短路电流。其中，所述基板为铝板、铝蜂窝板等等。As shown in Figure 1, the measuring method of the flux density of atomic oxygen of the present invention comprises adopting two solar cells, the main surface of the first solar cell 2 is coated with a semipermeable membrane 3 such as a polyimide film, without Shaped carbon film, the solar cell is eroded when exposed to atomic oxygen, the optical transmittance of the semi-permeable film changes, and the short-circuit current of the solar cell changes accordingly. The second solar cell (refer to solar cell 1) is not covered with a semi-permeable membrane, and is corroded in an atomic oxygen environment, so that the influence of temperature and illumination angle can be eliminated. Since the short-circuit current of the solar cell is related to the transmittance of the semi-permeable membrane, the erosion of atomic oxygen will affect the optical transmittance of the semi-permeable membrane, and thus affect the short-circuit current of the solar cell. Wherein, the substrate is an aluminum plate, an aluminum honeycomb plate or the like.
基于此，本发明的测量方法具体包括在原子氧环境中的相同位置设置两个太阳电池片，第一块电池片的主表面用半透膜进行包覆，而第二块电池片(参考太阳电池片)不覆盖半透膜，两块电池片通过已知的太阳电池阵工艺粘结在基板上，从两太阳电池片上分别引出两条测量线，对各自的短路电流进行测量，通过测量电池短路电流的变化，获得原子氧环境的通量密度。Based on this, the measurement method of the present invention specifically includes setting two solar cells at the same position in the atomic oxygen environment, the main surface of the first cell is coated with a semi-permeable membrane, and the second cell (with reference to the solar cell) cell) does not cover the semi-permeable membrane, and the two cells are bonded on the substrate through the known solar cell array process, and two measurement lines are respectively drawn from the two solar cells to measure their respective short-circuit currents. Variation of the short-circuit current to obtain the flux density of the atomic oxygen environment.
尽管上文对本发明的具体实施方式进行了详细的描述和说明，但应该指明的是，我们可以对上述实施方式进行各种改变和修改，但这些都不脱离本发明的精神和所附的权利要求所记载的范围。Although the specific embodiments of the present invention have been described and illustrated in detail above, it should be pointed out that we can make various changes and modifications to the above embodiments, but these do not depart from the spirit of the present invention and the appended rights. Request the range described.
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| CN201010523070.7A CN102455273B (en) | 2010-10-28 | 2010-10-28 | Method for measuring atomic oxygen flux density |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104375161B (en) * | 2014-11-05 | 2017-02-15 | 北京卫星环境工程研究所 | atomic oxygen beam energy testing system |
| KR102219619B1 (en) * | 2016-02-03 | 2021-02-23 | 내셔날 인스티튜트 오브 어드밴스드 인더스트리얼 사이언스 앤드 테크놀로지 | Standard gas barrier film |
| CN107748185A (en) * | 2017-09-01 | 2018-03-02 | 兰州空间技术物理研究所 | A kind of elemental oxygen fluence measuring method and atomic oxygen sensor |
| CN114609678B (en) * | 2022-05-11 | 2022-08-19 | 兰州空间技术物理研究所 | In-situ detector for dust deposition quality caused by lifting of spacecraft on lunar surface |
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