CN103176186A - a distance sensor - Google Patents
a distance sensor Download PDFInfo
- Publication number
- CN103176186A CN103176186A CN2011104332962A CN201110433296A CN103176186A CN 103176186 A CN103176186 A CN 103176186A CN 2011104332962 A CN2011104332962 A CN 2011104332962A CN 201110433296 A CN201110433296 A CN 201110433296A CN 103176186 A CN103176186 A CN 103176186A
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- infrared
- tube
- receiving tube
- infrared receiving
- assembly
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- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims description 48
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001061260 Emmelichthys struhsakeri Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical class OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
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- 238000003475 lamination Methods 0.000 description 1
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention belongs to the field of aerospace automation projects and particularly relates to a distance perceptron capable of being used in vacuum under high temperature and low temperature states. The distance perceptron comprises an outer tube, an optical filter assembly, an upper end cover assembly and an installation seat assembly. The upper end cover assembly and the optical fiber assembly are respectively installed at the upper end and the lower end of the outer tube, and the installation seat assembly is located in the outer tube. The installation seat assembly comprises an installation seat, an infrared transmitting tube and an infrared receiving tube. The infrared transmitting tube and the infrared receiving tube are respectively installed in the installation seat, infrared light wave transmitted by the infrared transmitting tube penetrates through the optical filter assembly and lights the surface of an object to be measured. The infrared light wave reflected by the surface of the object to be measured penetrates through the optical fiber assembly to light the infrared receiving tube. The distance perceptron is strong in adaptability, capable of working under severe environment conditions such as vacuum, high temperature, low temperature, radiation, oscillation and the like, can be applied to the fields of aviation, aerospace and the like and can accurately measure the distance between the perceptron and the object to be measured through variation of infrared light.
Description
Technical field
The invention belongs to space flight automation engineering field, specifically a kind of perceived distance device that can be used under vacuum, high and low temperature state.
Background technology
The mankind never are interrupted for the exploration in universe, and the lunar exploration plan of China launches successively.In universe, lunar surface environment is extremely complicated, wherein there are the conditions such as abominable temperature and space radiation in moonscape, affect the use function of lunar orbiter instrument, its main negative effect is: optical system sensitivity, the dimness of vision, error in reading, seal failure, mechanism's obstruction, fret wear, heat control system fault, suction etc.
In goddess in the moon's series moonfall satellite launch task, the particle excitated X ray spectrometer of α (APXS) is mounted in the science load on patrol car, is one of scientific instrument important on lunar rover.
Lunar surface perceived distance device is one of important composition parts on APXS, and it can perception APXS and the distance of detection target surface, can make on the one hand within APXS is in effective detection range, can protect on the other hand APXS not with the detection of a target damage that bumps.
Lunar surface perceived distance device adopts infrared optics perceived distance principle, is a kind of non-contact type photoelectricity limit sensors, has a volume little, lightweight, simple in structure, the advantages such as dependable performance; The working method of perceived distance device adopts infrared light diffuse reflection principle, and the infrared light-projecting portion of popping one's head in is radiated at and detects target surface generation light diffuse reflection phenomenon, utilizes reflection light quantity to derive and pops one's head in and target range.In system, the perceived distance device is the important accessory in APXS, and its effect is to know the distance between APXS detecting head and lunar soil, lunar rock etc. and protect the APXS probe.
Summary of the invention
The object of the present invention is to provide a kind of perceived distance device that can be used under vacuum, high and low temperature state.This perceived distance device itself has firm in structure, small and exquisite, perceived distance precision high.
The objective of the invention is to be achieved through the following technical solutions:
The present invention includes urceolus, optical filter box, upper end cover assembly and mounting bracket assembly, wherein upper end cover assembly and optical filter box are arranged on respectively the two ends up and down of urceolus, and described mounting bracket assembly is positioned at urceolus; Described mounting bracket assembly comprises mount pad, infrared transmitting tube and infrared receiving tube, infrared transmitting tube and infrared receiving tube are arranged on respectively in described mount pad, the infrared waves that infrared transmitting tube is launched passes described optical filter box and shines the testee surface, and the infrared waves by the testee surface reflection passes described optical filter box photo to infrared receiving tube.
Wherein: described mount pad is right cylinder, and its inside has the through hole of two accommodating described infrared transmitting tubes of difference and infrared receiving tube, and there are difference in height in this infrared transmitting tube and infrared receiving tube on mount pad is axial; The top of described infrared transmitting tube and infrared receiving tube is connected with the top of described mount pad by insulation lower floor and the upper strata of insulating respectively; The axis of described infrared transmitting tube and infrared receiving tube is respectively perpendicular to the end face at two ends, mount pad up and down, the top of infrared transmitting tube and infrared receiving tube all extends radially outward, forms extension, described insulation lower floor between infrared transmitting tube top extension and mount pad upper surface, described infrared receiving tube top extension be overlapped on be laminated in mount pad upper surface, described insulation infrared receiving tube top extension above; The described lower floor of insulating is identical with the thickness on the upper strata of insulating; Be provided with Double hole pad above infrared transmitting tube and infrared receiving tube; Described optical filter box comprises heat insulation loop and optical filter, wherein optical filter is arranged on the top end face of heat insulation loop, is positioned at the below of described mounting bracket assembly, and coaxial with urceolus, described urceolus covers on the periphery of optical filter and is connected by pin with described heat insulation loop; Described heat insulation loop has seam, and the lower end of urceolus is connected to the stop portion of heat insulation loop; Be symmetrically distributed with the circular hole of two accommodating pins on the circumference of described urceolus, the part of each pin is inserted in described heat insulation loop, and another part radially inserts in circular hole on urceolus; The exposed surface beyond urceolus of described heat insulation loop is coated with the aluminium lamination that increases perceived distance device illumination reflectivity; Described upper end cover assembly comprises upper end cover and the key with web member, and wherein upper end cover is threaded with the upper end of described urceolus, and web member is positioned at the upper surface of upper end cover; Have two round end slotted eyes on described upper end cover, in this pair round end slotted eye, key is installed; Described key is single round end key, and the semicircle orifice that two round end slotted eyes are vacated is the reservation outlet that infrared transmitting tube and infrared receiving tube connect electric wire; Described urceolus is interior, below that be positioned at upper end cover is provided with the adjustment ring that compresses described mounting bracket assembly; The outside surface of described urceolus is coated with and reduces the gold layer that cosmic rays impacts the urceolus internal temperature.
Advantage of the present invention and good effect are:
1. strong adaptability of the present invention, can carry out work under the exceedingly odious environmental baseline such as vacuum, high temperature, low temperature, radiation, vibration, can be applicable to the fields such as Aeronautics and Astronautics.
The present invention can be within the specific limits accurate perception target range, the variable quantity of the infrared light that the infrared transmitting tube that receives by infrared receiving tube in the perceived distance device sends is accurately measured the perceived distance device apart from the distance on testee surface.
Description of drawings
Fig. 1 is contour structures schematic diagram of the present invention;
Fig. 2 is the right view after the present invention removes urceolus;
Fig. 3 is that cut-open view is looked on the right side of Fig. 1;
Fig. 4 is the structural representation of mounting bracket assembly in the present invention;
Fig. 5 is the cut-open view of Fig. 4;
Fig. 6 is the structural representation of optical filter box of the present invention;
Fig. 7 is the structural representation of upper end cover assembly of the present invention;
Wherein: 1 is heat insulation loop, and 2 is optical filter, and 3 is pin, and 4 is urceolus, and 5 is upper end cover, 6 is mount pad, and 7 are insulation lower floor, and 8 are the insulation upper strata, and 9 is Double hole pad, and 10 is adjustment ring, 11 is key, and 12 is infrared receiving tube, and 13 is infrared transmitting tube, and 14 is two round end slotted eyes, and 15 is web member.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Fig. 1～3, the present invention includes urceolus 4, optical filter box, upper end cover assembly and mounting bracket assembly, wherein upper end cover assembly and optical filter box are arranged on respectively the two ends up and down of urceolus 4, and described mounting bracket assembly is positioned at urceolus 4; Urceolus 4 is processed by aluminum alloy materials, and gold-plated at the outside surface of urceolus 4, can reduce cosmic space radiation, spatial light according to the impact of adjust the distance perceptron internal components electromagnetism, temperature.Have two circular holes (namely the axial cross section of urceolus, two circular holes the symmetrical both sides that are positioned at the urceolus axis) respectively at urceolus 4 near symmetry on the barrel of lower end, be used for being connected with optical filter box.
As shown in Figure 6, optical filter box comprises heat insulation loop 1 and optical filter 2, and optical filter 2 is the thin rounded flakes of Φ 12mm for radius, heat insulation loop 1 for circular, have seam on it, be the external diameter on heat insulation loop 1 top less than the external diameter of bottom, the external diameter on heat insulation loop top is greater than the diameter of optical filter 2; Optical filter 2 is fixed on the less upper end of heat insulation loop external diameter by six GD414 sulfuration silica gel glue points, and with the coaxial setting of heat insulation loop 1.The same with urceolus 4 on the less top ring wall of heat insulation loop 1 external diameter, also symmetry has two through holes; The lower end of urceolus 4 is connected to the stop portion of heat insulation loop 1, cover on the periphery of optical filter 2, urceolus 4 is connected by two pins 3 with heat insulation loop 1, and each pin 3 has 1mm to insert in the circular hole that radially inserts on urceolus 4, and all the other length are inserted in the corresponding circle hole of heat insulation loop 1.Exposed surface (external peripheral surface and the end face that comprise the bottom that heat insulation loop 1 external diameter the is larger) processing of aluminizing beyond urceolus 4 of heat insulation loop 1, increase perceived distance device surface brightness, improve the illumination reflectivity, reduce the cosmic space solar radiation to the temperature impact of inside.
As Fig. 4, shown in Figure 5, mounting bracket assembly comprises mount pad 6, insulation lower floor 7, insulation upper strata 8, Double hole pad 9, infrared transmitting tube 13 and infrared receiving tube 12, wherein mount pad 6 is placed on optical filter 2, it is one section right cylinder that is processed by polytetrafluoroethylmaterial material, and at cylindrical end face and two through holes that diameter is Φ 5.3mm of inner processing, the inside surface of two through holes is smooth.Infrared transmitting tube 13 and infrared receiving tube 12 lay respectively in two through holes, are clearance fit between infrared transmitting tube 13 and infrared receiving tube 12 and through hole.The axis of infrared transmitting tube 13 and infrared receiving tube 12 is respectively perpendicular to the end face at mount pad two ends Shang Xia 6, the top of infrared transmitting tube 13 and infrared receiving tube 12 all extends radially outward, forms extension, insulation lower floor 7 is installed between infrared transmitting tube 13 top extensions and mount pad 6 upper surfaces, and infrared receiving tube 12 top extensions are overlapped on mount pad 6 upper surfaces and insulation upper strata 8 are installed on infrared receiving tube 12 top extensions; Insulation lower floor 7 is identical with upper strata 8 thickness that insulate and greater than the thickness of infrared transmitting tube 13 and infrared receiving tube 12 top extensions, insulation lower floor 7 and insulation upper strata 8 lay respectively at infrared transmitting tube 13 following and infrared receiving tube 12 above, make infrared transmitting tube 13 and infrared receiving tube 12 have difference in height on mount pad 6 is axial, cause short circuit to avoid infrared transmitting tube 13 and infrared receiving tube 12 upper end-face edges to be in contact with one another.Be provided with Double hole pad 9 above infrared transmitting tube 13 and infrared receiving tube 12, infrared transmitting tube 13 is passed by two holes on Double hole pad 9 respectively with the electric wire that is connected of infrared receiving tube 12.The center on insulation lower floor 7, the upper strata 8 of insulating is processed with respectively manhole, and Double hole pad 9 is processed with two through holes; Regulate difference in height between infrared transmitting tubes 13 and infrared receiving tube 12 by insulation lower floor 8 during work, realize the insulation-encapsulated on infrared transmitting tube 13 and infrared receiving tube 12 tops by insulation upper strata 8 and Double hole pad 9; In mounting bracket assembly of the present invention, all parts are nonmetallic materials and are made, and have insulation characterisitic.
As Fig. 1～3 and shown in Figure 7, the upper end cover assembly comprises with the upper end cover 5 of web member 15 and key 11, wherein upper end cover 5 is threaded with the upper end of described urceolus 4, web member 15 is positioned at the upper surface of upper end cover 5, the upper end of web member 15 is for being quadrilateral with externally threaded cylinder, lower end, and whole perceived distance device is connected with mechanical arm tail end (APXS) by web member 15; Have two round end slotted eyes 14 on described upper end cover 5, in this pair round end slotted eye 14, key 11 is installed, key is interference fit with two round end slotted eyes 14; Key 11 is single round end key, when key 11 is arranged on two round end slotted eyes 14 interior after, the semicircle orifice that two round end slotted eyes 14 are vacated is used for doing and reserving outlet for infrared transmitting tube 13 and infrared receiving tube 12 connect electric wires; In urceolus 4, be positioned at upper end cover 5 below be provided with the adjustment ring 10 that compresses Double hole pad 9.
Installation of the present invention and principle of work are:
The present invention operates mainly under vacuum, high and low temperature state.After main circuit is to infrared transmitting tube 13 transmitted signals, infrared transmitting tube 13 emission infrared band invisible lights in the perceived distance device, light wave penetrates by the through hole of optical filter 2 from heat insulation loop 1 center,, reflects through body surface behind the testee surface when infrared light-wave irradiation; The infrared waves that reflects upwards shines on infrared receiving tube 12 by optical filter 2 by the through hole at heat insulation loop 1 center again, the distance on the variation perception that the perceived distance device just can be by signal like this and testee surface.
After installation of the present invention, its main outside surface comprises the external cylindrical surface of urceolus 4, bottom external cylindrical surface and lower surface that heat insulation loop 1 external diameter is larger, and its lap is installed surface of the present invention.The present invention is gold-plated at the external cylindrical surface of urceolus 4, aluminizes on heat insulation loop 1 exposed surface, and two measures can be blocked in the radiation heat in the external world the past outside of perceived distance device to a certain extent.So the perceived distance device can be operated under the high and low temperature environmental baseline.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104332962A CN103176186A (en) | 2011-12-21 | 2011-12-21 | a distance sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104332962A CN103176186A (en) | 2011-12-21 | 2011-12-21 | a distance sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103176186A true CN103176186A (en) | 2013-06-26 |
Family
ID=48636170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104332962A Pending CN103176186A (en) | 2011-12-21 | 2011-12-21 | a distance sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103176186A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018995A (en) * | 2014-05-15 | 2014-09-03 | 上海泰胜风能装备股份有限公司 | Infrared distance measuring device |
| CN104915069A (en) * | 2015-05-14 | 2015-09-16 | 南昌欧菲光科技有限公司 | Wearable touch control device and touch control method thereof |
| CN110441782A (en) * | 2019-07-11 | 2019-11-12 | 深圳市深创谷技术服务有限公司 | Infrared detecting device |
Citations (12)
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|---|---|---|---|---|
| US4283146A (en) * | 1978-11-30 | 1981-08-11 | Lasag S.A. | Optical detector |
| JPH04218790A (en) * | 1990-12-19 | 1992-08-10 | Mitsubishi Electric Corp | Measuring apparatus of distance |
| US5825473A (en) * | 1994-09-16 | 1998-10-20 | Canon Kabushiki Kaisha | Distance measuring device having protective cover with selective light propagation prevention |
| CN201038137Y (en) * | 2007-01-26 | 2008-03-19 | 北京鸿合盛视数字媒体技术有限公司 | Infrared tube, tube holder and infrared tube module device |
| CN101387513A (en) * | 2008-08-28 | 2009-03-18 | 上海科勒电子科技有限公司 | Distance detecting induction device |
| CN101387515A (en) * | 2008-08-28 | 2009-03-18 | 上海科勒电子科技有限公司 | Distance detecting induction device |
| CN101387514A (en) * | 2008-08-28 | 2009-03-18 | 上海科勒电子科技有限公司 | Distance detecting induction device |
| CN101387512A (en) * | 2008-08-28 | 2009-03-18 | 上海科勒电子科技有限公司 | Distance detecting induction device |
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| CN202372642U (en) * | 2011-12-21 | 2012-08-08 | 中国科学院沈阳自动化研究所 | Distance sensor |
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2011
- 2011-12-21 CN CN2011104332962A patent/CN103176186A/en active Pending
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018995A (en) * | 2014-05-15 | 2014-09-03 | 上海泰胜风能装备股份有限公司 | Infrared distance measuring device |
| CN104018995B (en) * | 2014-05-15 | 2016-08-24 | 上海泰胜风能装备股份有限公司 | Infrared distance measuring device |
| CN104915069A (en) * | 2015-05-14 | 2015-09-16 | 南昌欧菲光科技有限公司 | Wearable touch control device and touch control method thereof |
| CN110441782A (en) * | 2019-07-11 | 2019-11-12 | 深圳市深创谷技术服务有限公司 | Infrared detecting device |
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Application publication date: 20130626 |