JPS62138714A - Earth sensor - Google Patents

Earth sensor

Info

Publication number
JPS62138714A
JPS62138714A JP60280626A JP28062685A JPS62138714A JP S62138714 A JPS62138714 A JP S62138714A JP 60280626 A JP60280626 A JP 60280626A JP 28062685 A JP28062685 A JP 28062685A JP S62138714 A JPS62138714 A JP S62138714A
Authority
JP
Japan
Prior art keywords
lens
sensor
earth
pulses
directions
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.)
Pending
Application number
JP60280626A
Other languages
Japanese (ja)
Inventor
Kenichi Ikebe
池邊　憲一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP60280626A priority Critical patent/JPS62138714A/en
Publication of JPS62138714A publication Critical patent/JPS62138714A/en
Pending legal-status Critical Current

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  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

PURPOSE:To reduce the weight of the titled sensor by providing at a prescribed interval two detecting element to photodetect respectively terrestrial radiations from two directions condensed using a couple of lens and baffle in a box body in an artificial satellite. CONSTITUTION:The radiation from the earth 1 (usually, infrared rays ) is condensed by a lens 2 and a baffle 3 fitted to a window of the sensor box body 7 and made incident on a couple of the detecting elements 4 and 5. Outputs of these photodetecting elements 4 and 5 are amplified by an amplifier 8 and made terrestial pulses. In other words, it is utilized that the lens 2 can condense even light deviated by several degrees from the optical axis and the two detecting elements 4 and 5 are supported close to the desired focal position by a supporting body 6 and the terrestrial pulses with respect to the upper and lower two directions of a vertical plane are generated on a satellite spin axis 9.

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は人工衛星の短体空間における姿勢を計測するた
めの情報のひとつとして地球パルスを発生させるスピン
安定型衛星用の地球センサに関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an earth sensor for spin-stabilized satellites that generates earth pulses as one of the pieces of information for measuring the attitude of an artificial satellite in short-body space. be.

［従来の技術〕 従来、この種のセンサは、人工衛星スピン軸平面に対し
、−ヒ下２つの角度に対する地球パルスを発生させるた
め、２つのセンサを組み合せて用いていた。[Prior Art] Conventionally, this type of sensor has used a combination of two sensors to generate earth pulses at two angles below the satellite spin axis plane.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

このように従来の構成では、２個のセンサを必要とする
ため、重量が重くなるという問題や、衛星組立時にこれ
ら２つのセンサのアライメントを取る必要があるという
問題があった。As described above, the conventional configuration requires two sensors, which causes problems such as increased weight and the need to align these two sensors when assembling the satellite.

本発明の目的は、これらの問題を解決し１重置を少くす
ると共にアライメントも容易にしたスピン安定型人工衛
星用の地球センサを提供することにある。An object of the present invention is to provide an earth sensor for a spin-stable artificial satellite that solves these problems, reduces the number of overlapping positions, and facilitates alignment.

〔問題点を解決するための手段〕[Means for solving problems]

本発明の地球センサの構成は、人工衛星のひとつの筺体
内に、一組のレンズ、バ・ソフルを用いて集光された２
つの方向からの地球輻射をそれぞれ受光する２つの検出
素子を所定間隔で設けたことを特徴とする。The structure of the earth sensor of the present invention is that two light beams are focused using a pair of lenses, a barometer, in one housing of an artificial satellite.
It is characterized in that two detection elements each receiving earth radiation from two directions are provided at a predetermined interval.

し作用〕 本発明の構成によれば、１つのセンサ筺体（鏡筒〉内に
２つの検出素子を所定間隔で配置したものであるため、
実質的に１個のセンサと同等となり１重量を軽減し、ア
ライメントも１個に対して合わせればよくなる。According to the configuration of the present invention, two detection elements are arranged at a predetermined interval within one sensor housing (lens barrel).
It is substantially equivalent to one sensor, reduces weight, and only needs to be aligned for one sensor.

〔実施例〕〔Example〕

次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.

第１図は本発明の一実施例を含む概要構成図でバ・ソフ
ル３により集光され、一対検出素子４及び５に入射する
。これら検出素子４．５の出力は増幅器８で増幅されて
地球パルスとなる。本実施例では、し〉・ズ２がその光
軸より数度ずれた光でも集光できることを利用し、２つ
の検出素子４．５を支持体６で、望む焦点位置付近に支
持して、衛星スピン軸９に垂直な平面の上下２つの方向
に対する地球パルスを発生させるようにしたものである
。FIG. 1 is a schematic configuration diagram including an embodiment of the present invention. Light is collected by a bar filter 3 and enters a pair of detection elements 4 and 5. The outputs of these detection elements 4.5 are amplified by an amplifier 8 and become earth pulses. In this embodiment, the two detection elements 4.5 are supported near the desired focal position by the support 6, taking advantage of the fact that the lens 2 can collect light even if it is shifted several degrees from its optical axis. Earth pulses are generated in two directions, above and below a plane perpendicular to the satellite spin axis 9.

〔発明の効果〕〔Effect of the invention〕

以Ｅ説明したように、本発明によれば、レンズ。 As explained hereinafter, according to the invention, a lens.

バッフル各１式に対して、検出素子を２個挿入したセン
サで構成することにより、重量を軽減し、アライメント
を簡易化できるという効果がある。By configuring each set of baffles with a sensor in which two detection elements are inserted, there is an effect that the weight can be reduced and alignment can be simplified.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明の一実施例を含む概要構成図である。 １・・・地球、２・・・集光し・ンズ、３・・・バ・ソ
フル、４゜５・・・検出素子、６・・・検出素子支持体
、７・・・センサ筐体、８・・・増幅器。 代理人　弁理士　内　原　　昔パ 、−１FIG. 1 is a schematic configuration diagram including one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Earth, 2...Light condensing lens, 3...Basofuru, 4°5...Detection element, 6...Detection element support, 7...Sensor housing, 8...Amplifier. Agent Patent Attorney Uchihara Former Pa, -1

Claims (1)

【特許請求の範囲】[Claims] 　人工衛星内のひとつの筺体内に、一組のレンズ、バッ
フルを用いて集光された２つの方向からの地球輻射をそ
れぞれ受光する２つの検出素子を所定間隔で設けたこと
を特徴とするスピン安定型人工衛星用の地球センサ。A spin system characterized by having two detection elements arranged at a predetermined interval in one housing in an artificial satellite, each of which receives earth radiation from two directions focused using a set of lenses and baffles. Earth sensor for stable satellites.
JP60280626A 1985-12-12 1985-12-12 Earth sensor Pending JPS62138714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60280626A JPS62138714A (en) 1985-12-12 1985-12-12 Earth sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60280626A JPS62138714A (en) 1985-12-12 1985-12-12 Earth sensor

Publications (1)

Publication Number Publication Date
JPS62138714A true JPS62138714A (en) 1987-06-22

Family

ID=17627672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60280626A Pending JPS62138714A (en) 1985-12-12 1985-12-12 Earth sensor

Country Status (1)

Country Link
JP (1) JPS62138714A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02147813A (en) * 1988-11-29 1990-06-06 Toshiba Corp Biaxial star sensor
US8373105B2 (en) * 2009-02-19 2013-02-12 Bae Systems Information And Electronic Systems Integration Inc. Baffles and methods for distributed-aperture sensors

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206497A (en) * 1982-05-25 1983-12-01 三菱電機株式会社 Detector for attitude of artificial satellite
JPS60248498A (en) * 1984-05-22 1985-12-09 三菱電機株式会社 Earth sensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206497A (en) * 1982-05-25 1983-12-01 三菱電機株式会社 Detector for attitude of artificial satellite
JPS60248498A (en) * 1984-05-22 1985-12-09 三菱電機株式会社 Earth sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02147813A (en) * 1988-11-29 1990-06-06 Toshiba Corp Biaxial star sensor
US8373105B2 (en) * 2009-02-19 2013-02-12 Bae Systems Information And Electronic Systems Integration Inc. Baffles and methods for distributed-aperture sensors

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