CN102175276A - Ultralow-temperature high-vacuum fiber sensor probe - Google Patents
Ultralow-temperature high-vacuum fiber sensor probe Download PDFInfo
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- CN102175276A CN102175276A CN 201110025124 CN201110025124A CN102175276A CN 102175276 A CN102175276 A CN 102175276A CN 201110025124 CN201110025124 CN 201110025124 CN 201110025124 A CN201110025124 A CN 201110025124A CN 102175276 A CN102175276 A CN 102175276A
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- fiber array
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- sensor probe
- temperature high
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Abstract
The invention discloses an ultralow-temperature high-vacuum fiber sensor probe, which comprises a fiber array, a fiber array positioning metal sleeve and a fiber array protecting metal sleeve, wherein the fiber array positioning metal sleeve is made of a valve material or copper and is a metal entity with a male thread at one end; a fiber array fixing hole is formed in the axel center or inside the fiber array positioning metal sleeve and the fiber array positioning metal sleeve is used for positioning and welding the fiber array; the fiber array protecting sleeve is made of a valve material or copper and is a metal entity with a male thread at one end; a fiber array protecting hole is formed in the axel center or inside the fiber array protecting metal sleeve; and the fiber array passes through the fiber array protecting hole of the fiber array protecting metal sleeve.
Description
Technical field
The present invention relates to technical field of optical fiber sensing, say so more specifically and carry out the fiber-optic sensor probe of sensing under special environment conditions such as ultralow temperature and high vacuum, it is the key element that is used for sensing under the special environment condition.
Background technology
In optical fiber sensing technology, be extensive use of the probe of fiber array as sensor.Utilize a optical fiber in the fiber array as the transmission of Fibre Optical Sensor signal, other two-way or multi-channel optical fibre are as the reception of transducing signal.Usually in order to realize better and more stable sensing and Effect on Detecting, the array fibre in the fibre-optical probe is to arrange and be fixed among a metal or certain solid material with ad hoc fashion.This technology is used widely in daily sensing with in surveying and is approved at present; and along with the popularization of this technology; the special environment condition of some ultralow temperature and high vacuum also has the demand of using this Fibre Optical Sensor to carry out sensing and detection; but because the optical fiber itself in the fiber-optic sensor probe is to use quartz or plastics as starting material; so often adopt epoxy glue or similar cementing agent so that provide support and fix; this fixed form is used under the surroundings condition without any problem; but when the environment that runs into ultralow temperature and high vacuum state; the performance of epoxy glue or similar cementing agent can change; this variation can cause the change of fiber array relative position; finally cause sensor failure, limited the use of Fibre Optical Sensor under this special environment condition.
Summary of the invention
In order to overcome the above problems, the object of the invention is to provide a kind of fiber-optic sensor probe that can use under ultralow temperature high vacuum environment condition, by adopting the all-metal technology, optical fiber is fixed with scolding tin, be implemented in the fiber-optic sensor probe that to stablize and reliably use under the extreme environmental conditions of ultralow temperature high vacuum.
The technical scheme that the present invention solves its technical matters is:
The present invention is a kind of ultralow temperature high vacuum fiber-optic sensor probe, comprising:
One fiber array;
One fiber array location metallic sheath, but this fiber array location metallic sheath is selected valve material or copper for use, be the metal solid that an end has male thread, the axle center or the inside of this fiber array location metallic sheath have a fiber array fixed orifice, are used for the location and the welding of fiber array;
One fiber array protection metallic sheath; but this fiber array protection metallic sheath is selected valve material or copper for use; it is the metal solid that an end has box thread; the inside of this fiber array protection metallic sheath has fiber array protection hole, and fiber array passes the fiber array protection hole of this fiber array protection metallic sheath.
Wherein fiber array is that silica fibre or the plastic optical fiber that many one ends can weld through the optical fiber metalized formed, fiber array become parallel arranged or with an optical fiber middle other fiber optic loop around form arrange.
Wherein the profile of fiber array location metallic sheath is a right cylinder, or be processed into arbitrary shape according to the sensing demand and cooperate with sensor-based system with convenient, the shape of fiber array fixed orifice is consistent with the fiber array profile, is clearance fit, in fiber array fixed orifice surface gold-plating.
Wherein the metallized ends of fiber array is put into and is fixed with scolding tin after fiber array is located the fiber array fixed orifice of metallic sheath.
Wherein the profile of fiber array protection metallic sheath is a right cylinder, or is processed into arbitrary shape conveniently to cooperate with sensor-based system according to the sensing demand.
Wherein fiber array passes in the fiber array protection hole of this fiber array protection metallic sheath, with cementing agent fiber array is fixed, and fiber array is effectively supported and protects.
Wherein cementing agent is to select epoxy glue or ultra-violet curing glue or black glue for use.
Wherein fiber array location metallic sheath is affixed to by male thread and box thread with fiber array protection metallic sheath, or welds the reliability of further this sensor probe of raising with laser.
The invention has the beneficial effects as follows: adopt the fiber-optic sensor probe of the fixing welding of this all-metalization can under ultralow temperature and high vacuum condition, keep the stable of structure, thereby satisfy the sensor measuring demand under the special environment condition, finally realize carrying out under the special environment condition purpose that Fibre Optical Sensor is surveyed.
Description of drawings
For further specifying technology contents of the present invention, the invention will be further described below in conjunction with drawings and Examples, wherein:
Fig. 1 is the top view of ultralow temperature high vacuum fiber-optic sensor probe of the present invention.
Fig. 2 is the side cutaway view of ultralow temperature high vacuum fiber-optic sensor probe of the present invention.
Embodiment
See also Fig. 1, and Fig. 2, a kind of ultralow temperature high vacuum of the present invention fiber-optic sensor probe comprises:
One fiber array 1, one end of the optical fiber that uses in this fiber array 1 is needed in advance through the optical fiber metalized, this disposal route can form metal coating at optical fiber surface, this metal coating can be gold or Yin Huo Chrome, this metal coating can make originally and can't fix with the mode of welding with the silica fibre or the plastic optical fiber of scolding tin welding, with the optical fiber handled by special anchor clamps parallel arranged or with an optical fiber other fiber optic loop of centre around form arrange also clamping;
One fiber array location metallic sheath 2, this fiber array location metallic sheath 2 is a metal solid, but this metal solid can be valve material or copper, but handle with convenient welding if select for use the valve material require after process finishing, to carry out surface gold-plating, its profile can be processed into right cylinder, also can be processed into arbitrary shape according to the sensing demand cooperates with sensor-based system with convenient, process male thread 22 by precision optical machinery processing at an end of metal solid, and in the axle center of metal solid or inner distribution and shape by fiber array 1 process fiber array fixed orifice 21, this fiber array fixed orifice 21 is that through hole and fiber array 1 are clearance fit, fiber array fixed orifice 21 backs that the metallized ends of described fiber array 1 is put into fiber array location metallic sheath 2 by special anchor clamps are fixed with scolding tin, by substep rubbing down method the common end face of fiber array 1 and fiber array location metallic sheath 2 is carried out rubbing down then, form the higher end face of smooth finish;
One fiber array protection metallic sheath 3; this fiber array protection metallic sheath 3 becomes the metal solid that an end has box thread 31 by machining; its profile can be processed into right cylinder; also can be processed into arbitrary shape according to the sensing demand cooperates with sensor-based system with convenient; machining is passed through in the axis direction or the inside of this fiber array protection metallic sheath 3; process fiber array protection hole 32 through holes; the diameter in this fiber array protection hole 32 is greater than the Outside Dimensions of fiber array; an end of fiber array 1 not being done metallization process passes the fiber array protection hole 32 that fiber array is protected metallic sheath 3; then fiber array is protected the box thread 31 of metallic sheath 3 to locate the male thread 22 of metallic sheath 2 by being threaded with fiber array; fiber array is located metallic sheath 2 to be fixed together with fiber array protection metallic sheath 3; can carry out reinforcement of weld with laser again, further improve the reliability of sensor probe.After with cementing agent 4 injection fibre arrays protections hole 32 and according to condition of cure with adhesive cures, make fiber array 1 in fiber array protection hole 32, effectively be supported and protect that described cementing agent 4 can be epoxy glue or ultra-violet curing glue or black glue.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. ultralow temperature high vacuum fiber-optic sensor probe comprises:
One fiber array;
One fiber array location metallic sheath, but this fiber array location metallic sheath is selected valve material or copper for use, be the metal solid that an end has male thread, the axle center or the inside of this fiber array location metallic sheath have a fiber array fixed orifice, are used for the location and the welding of fiber array;
One fiber array protection metallic sheath; but this fiber array protection metallic sheath is selected valve material or copper for use; it is the metal solid that an end has box thread; the inside of this fiber array protection metallic sheath has fiber array protection hole, and fiber array passes the fiber array protection hole of this fiber array protection metallic sheath.
2. ultralow temperature high vacuum fiber-optic sensor probe according to claim 1, wherein fiber array is that silica fibre or the plastic optical fiber that many one ends can weld through the optical fiber metalized formed, fiber array become parallel arranged or with an optical fiber middle other fiber optic loop around form arrange.
3. ultralow temperature high vacuum fiber-optic sensor probe according to claim 1, wherein the profile of fiber array location metallic sheath is a right cylinder, or be processed into arbitrary shape according to the sensing demand and cooperate with sensor-based system with convenient, the shape of fiber array fixed orifice is consistent with the fiber array profile, be clearance fit, in fiber array fixed orifice surface gold-plating.
4. ultralow temperature high vacuum fiber-optic sensor probe according to claim 1, wherein the metallized ends of fiber array is put into and is fixed with scolding tin after fiber array is located the fiber array fixed orifice of metallic sheath.
5. ultralow temperature high vacuum fiber-optic sensor probe according to claim 1, wherein the profile of fiber array protection metallic sheath is a right cylinder, or is processed into arbitrary shape conveniently to cooperate with sensor-based system according to the sensing demand.
6. ultralow temperature high vacuum fiber-optic sensor probe according to claim 1, wherein fiber array passes in the fiber array protection hole of this fiber array protection metallic sheath, with cementing agent fiber array is fixed, and fiber array is effectively supported and protects.
7. ultralow temperature high vacuum fiber-optic sensor probe according to claim 5, wherein cementing agent is to select epoxy glue or ultra-violet curing glue or black glue for use.
8. ultralow temperature high vacuum fiber-optic sensor probe according to claim 1; wherein fiber array location metallic sheath is affixed to by male thread and box thread with fiber array protection metallic sheath, or welds the reliability of further this sensor probe of raising with laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100251241A CN102175276B (en) | 2011-01-24 | 2011-01-24 | Ultralow-temperature high-vacuum fiber sensor probe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100251241A CN102175276B (en) | 2011-01-24 | 2011-01-24 | Ultralow-temperature high-vacuum fiber sensor probe |
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| CN102175276A true CN102175276A (en) | 2011-09-07 |
| CN102175276B CN102175276B (en) | 2012-06-27 |
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| CN2011100251241A Active CN102175276B (en) | 2011-01-24 | 2011-01-24 | Ultralow-temperature high-vacuum fiber sensor probe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267215A (en) * | 2017-01-04 | 2018-07-10 | 善测（天津）科技有限公司 | A kind of ultralow temperature optical fiber Tip timing sensor |
| CN110823359A (en) * | 2019-11-14 | 2020-02-21 | 北京遥测技术研究所 | Low-temperature optical fiber sound sensing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036830A (en) * | 1988-04-09 | 1989-11-01 | 惠普公司 | The manufacture method of optic probe |
| US5822072A (en) * | 1994-09-30 | 1998-10-13 | Lockheed Martin Energy Systems, Inc. | Fiberoptic probe and system for spectral measurements |
| CN1321889A (en) * | 2000-05-02 | 2001-11-14 | 富士胶片株式会社 | Ultrasonic probe, ultrasonic receiving device and diagnosing device |
| US20030045798A1 (en) * | 2001-09-04 | 2003-03-06 | Richard Hular | Multisensor probe for tissue identification |
| CN2546846Y (en) * | 2002-05-18 | 2003-04-23 | 哈尔滨工程大学 | Two-dimensional optical fiber sensing probe |
-
2011
- 2011-01-24 CN CN2011100251241A patent/CN102175276B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036830A (en) * | 1988-04-09 | 1989-11-01 | 惠普公司 | The manufacture method of optic probe |
| US5822072A (en) * | 1994-09-30 | 1998-10-13 | Lockheed Martin Energy Systems, Inc. | Fiberoptic probe and system for spectral measurements |
| CN1321889A (en) * | 2000-05-02 | 2001-11-14 | 富士胶片株式会社 | Ultrasonic probe, ultrasonic receiving device and diagnosing device |
| US20030045798A1 (en) * | 2001-09-04 | 2003-03-06 | Richard Hular | Multisensor probe for tissue identification |
| CN2546846Y (en) * | 2002-05-18 | 2003-04-23 | 哈尔滨工程大学 | Two-dimensional optical fiber sensing probe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267215A (en) * | 2017-01-04 | 2018-07-10 | 善测（天津）科技有限公司 | A kind of ultralow temperature optical fiber Tip timing sensor |
| CN110823359A (en) * | 2019-11-14 | 2020-02-21 | 北京遥测技术研究所 | Low-temperature optical fiber sound sensing system |
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| Publication number | Publication date |
|---|---|
| CN102175276B (en) | 2012-06-27 |
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