CN208109135U - A kind of fibre optical sensor with gaseous film control - Google Patents
A kind of fibre optical sensor with gaseous film control Download PDFInfo
- Publication number
- CN208109135U CN208109135U CN201820701673.3U CN201820701673U CN208109135U CN 208109135 U CN208109135 U CN 208109135U CN 201820701673 U CN201820701673 U CN 201820701673U CN 208109135 U CN208109135 U CN 208109135U
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- China
- Prior art keywords
- probe
- capillary vessel
- sensor
- air pump
- optical sensor
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- 239000000835 fiber Substances 0.000 title claims abstract description 28
- 230000003287 optical effect Effects 0.000 title claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 35
- 239000013307 optical fiber Substances 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- -1 greasy dirt stain Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 239000000112 cooling gas Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model is a kind of fibre optical sensor with gaseous film control, probe, capillary vessel, light source, photoelectric converter and adjustable air pump including fibre optical sensor, capillary vessel is tightly fastened in probe periphery in the form of symmetrical, the other end of capillary vessel connects adjustable air pump, cryogenic gas is sent into capillary vessel by adjustable air pump, low temperature air film is formed in detecting head surface, probe is made of one end of one end of launching fiber beam and reception optical fiber beam, the other end of launching fiber beam connects the light source, and the other end of reception optical fiber beam connects photoelectric converter.The utility model simple structure and reasonable design is novel, it is easy to operate, in sensor displacement detection process, the pollution to sensor probe such as greasy dirt stain, dust in measurement sensor probe local environment in real time, actively can be prevented and clear up, and certain cooling effect is played to sensor.
Description
Technical field
The utility model belongs to test fields of measurement, particularly relates to a kind of fibre optical sensor with gaseous film control.
Background technique
Fibre optical sensor due to making material optical fiber pass light characteristic is good, transmission frequency bandwidth, loss are low, high temperature resistant, it is corrosion-resistant,
A series of characteristics such as electromagnetism interference is good, thus have the advantages that uniquenesses, it is corrosion-resistant if not by electromagnetic interference；It is passive real-time
Monitoring, electrical isolation, explosion-proof are good；It is small in size, it is light-weight, it can flexing；High sensitivity, long service life etc..
However optical fibre displacement sensor is in use, detecting head surface vulnerable to pollution, and pollution source is numerous, packet
It includes：Greasy dirt stain, dust, condensation steam（Air）Film residual, evaporation of other solvents etc. directly affect reflection type optical fiber displacement
Sensor measurement.For this purpose, associated fiber cleaning products come into being, such as optical fiber cleaning solution, lint-free wiper, optical fiber cleaning
Pen, optical fiber wiping bar etc., there are Thorlabs company, OAM company, dimension scientific & technical corporation etc., phase in well-known domestic and international manufacturer
Product is closed worldwide to be used widely.Although these products are preferable to optical fiber pollution cleaning effect, but still have one
It settles finally sex-limited, fibre-optical probe cleaning can not be such as completed in measurement process, cleaning work need to cooperate manual operation to complete, cleaning produces
Product can not be reused.
Summary of the invention
To solve the above-mentioned problems, the utility model provide one kind can be realized in real time, actively prevent and clear up probe
The fibre optical sensor with gaseous film control of pollution, and by the control to cooling air-flow flow and temperature, in high temperature measurement environment
Under, there is certain cooling effect to sensor.
In order to achieve the above object, the utility model is achieved through the following technical solutions：
The utility model is a kind of fibre optical sensor with gaseous film control, probe, capillary vessel including fibre optical sensor,
Light source, photoelectric converter and adjustable air pump, capillary vessel are tightly fastened in probe periphery in the form of symmetrical, capillary vessel
The other end connects adjustable air pump, and cryogenic gas is sent into capillary vessel by adjustable air pump, forms low temperature air film, probe in detecting head surface
It is made of one end of one end of launching fiber beam and reception optical fiber beam, the other end of launching fiber beam connects the light source, receives
The other end of fiber optic bundle connects photoelectric converter.
Further improvement of the utility model is：Capillary vessel is tightly fastened in the form of bonding mode, single-turn or multi-turn
In probe periphery, the end face of capillary vessel and detecting head surface are in the same plane.
Further improvement of the utility model is：The diameter of probe is 0.5 to 3 millimeters, and the internal diameter 0.5 of capillary vessel arrives
1 millimeter.
The utility model has the beneficial effects that：The utility model passes through gaseous film control during sensor is actually detected
Technology imports cooling gas in the capillary vessel of sensor probe periphery, to form stable air film, realization pair in detecting head surface
The real-time, active of probe pollution is prevented and is cleared up, and by the control to cooling air-flow flow and temperature, in high temperature measurement ring
Under border, there is certain cooling effect to sensor.
The utility model simple structure and reasonable design is novel, easy to operate, can be real in fibre optical sensor detection process
When, actively prevent and clear up the pollution to sensor probe such as greasy dirt stain, dust in measurement sensor probe local environment, and it is right
Sensor plays certain cooling effect.
Detailed description of the invention
Fig. 1 is the utility model working sensor schematic diagram.
Fig. 2 is the utility model sensor probe schematic diagram.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples
Detailed description, the embodiment are only used for explaining the utility model, do not constitute and limit to the protection scope of the utility model.
As shown in Figs. 1-2, the utility model is a kind of fibre optical sensor with gaseous film control, is displaced and is passed with reflection type optical fiber
For sensor, the sensor includes 1, capillary vessel 2, light source 5, photoelectric converter 6 of reflective optical fiber displacement sensor probe
With adjustable air pump 7, the capillary vessel 2 is tightly fastened in outside reflective optical fiber displacement sensor probe 1 in the form of symmetrical
It encloses, the capillary vessel 2 is tightly fastened in reflective optical fiber displacement sensor probe 1 in the form of bonding mode, single-turn or multi-turn
Periphery, the end face of the capillary vessel 2 and reflective optical fiber displacement sensor pop one's head in 1 surface in the same plane, the capillary
The other end of conduit 2 connects adjustable air pump 7, and cryogenic gas is sent into the capillary vessel 2 by the adjustable air pump 7, reflective
1 surface of optical fibre displacement sensor probe forms low temperature air film, adjusts air flow rate, guarantees to visit in reflective optical fiber displacement sensor
First 1 surface forms stable air film, the pollution to probe such as greasy dirt stain, dust, adjustable air pump 7 in isolation and cleaning measurement environment
Cooling gas temperature is adjusted according to measurement environment temperature, guarantees cooling efficiency, in high temperature test environment, to Fibre Optical Sensor utensil
There is certain cooling effect, the probe 1 is by one end of launching fiber beam 3 and one end of reception optical fiber beam 4 by certain arrangement row
Column mode is constituted, and arrangement mode can be single fiber to type, two-beam type, multi-turn coaxial type, semi-circular, stochastic pattern etc., the hair
The other end for penetrating fiber optic bundle 3 connects the light source 5, and the other end of the reception optical fiber beam 4 connects photoelectric converter 6, described anti-
The diameter for penetrating formula optical fibre displacement sensor probe 1 is 0.5 to 3 millimeters, 0.5 to 1 millimeter of internal diameter of the capillary vessel 2.
Reflective optical fiber displacement sensor is by realizing probe and measured object to the detection for receiving light intensity signal variable quantity
The measurement of displacement between body, adjusts adjustable air pump, and cryogenic gas is sent into capillary vessel, in fiber-optic sensor probe surface shape
At low temperature air film.By the above-mentioned means, the utility model can be formed cold during working sensor on fibre-optical probe surface
But air film, isolation measure the pollutions caused by probe such as greasy dirt stain, the dust being likely to occur in environment, guarantee the cleaning of probe
Degree.Simultaneously according to measurement environment temperature, the jet flow and temperature of cooling air-flow are adjusted, guarantees cooling efficiency, optical fiber is promoted and passes
Sensor displacement detection system stability.
Claims (3)
1. a kind of fibre optical sensor with gaseous film control, the probe including fibre optical sensor（1）, capillary vessel（2）, light source（5）,
Photoelectric converter（6）With adjustable air pump（7）, it is characterised in that：The capillary vessel（2）Be tightly fastened in the form of symmetrical in
Probe（1）Periphery, the capillary vessel（2）The other end connect adjustable air pump（7）, the adjustable air pump（7）By cryogenic gas
It is sent into the capillary vessel（2）, popping one's head in（1）Surface forms low temperature air film, the probe（1）By launching fiber beam（3）One
End and reception optical fiber beam（4）One end constitute, the launching fiber beam（3）The other end connect the light source（5）, the reception
Fiber optic bundle（4）The other end connect photoelectric converter（6）.
2. a kind of fibre optical sensor with gaseous film control according to claim 1, it is characterised in that：The capillary vessel（2）
With bonding mode, individual pen orIt is moreCircle form is tightly fastened in probe（1）Periphery, the capillary vessel（2）End face and probe（1）
Surface is in the same plane.
3. a kind of fibre optical sensor with gaseous film control according to claim 1 or claim 2, it is characterised in that：The probe（1）'s
Diameter is 0.5 to 3 millimeters, the capillary vessel（2）0.5 to 1 millimeter of internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701673.3U CN208109135U (en) | 2018-05-11 | 2018-05-11 | A kind of fibre optical sensor with gaseous film control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701673.3U CN208109135U (en) | 2018-05-11 | 2018-05-11 | A kind of fibre optical sensor with gaseous film control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109135U true CN208109135U (en) | 2018-11-16 |
Family
ID=64114527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820701673.3U Withdrawn - After Issue CN208109135U (en) | 2018-05-11 | 2018-05-11 | A kind of fibre optical sensor with gaseous film control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387248A (en) * | 2018-05-11 | 2018-08-10 | 南京工程学院 | A kind of fibre optical sensor with gaseous film control |
-
2018
- 2018-05-11 CN CN201820701673.3U patent/CN208109135U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387248A (en) * | 2018-05-11 | 2018-08-10 | 南京工程学院 | A kind of fibre optical sensor with gaseous film control |
| CN108387248B (en) * | 2018-05-11 | 2024-06-11 | 南京工程学院 | Optical fiber sensor with air film cooling function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing University of Engineering Science Park Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980001093 Denomination of utility model: A Fiber Optic Sensor with Gas Film Cooling Granted publication date: 20181116 License type: Common License Record date: 20240122 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Jinxi Yunchuang Technology Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980001805 Denomination of utility model: A Fiber Optic Sensor with Gas Film Cooling Granted publication date: 20181116 License type: Common License Record date: 20240202 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Institute of Engineering Technical Service Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980002478 Denomination of utility model: A Fiber Optic Sensor with Gas Film Cooling Granted publication date: 20181116 License type: Common License Record date: 20240305 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181116 Effective date of abandoning: 20240611 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181116 Effective date of abandoning: 20240611 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |