CN2711705Y - Function type optical fiber liquid interface sensor - Google Patents
Function type optical fiber liquid interface sensor Download PDFInfo
- Publication number
- CN2711705Y CN2711705Y CN 200420075953 CN200420075953U CN2711705Y CN 2711705 Y CN2711705 Y CN 2711705Y CN 200420075953 CN200420075953 CN 200420075953 CN 200420075953 U CN200420075953 U CN 200420075953U CN 2711705 Y CN2711705 Y CN 2711705Y
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- China
- Prior art keywords
- optical fiber
- sensing head
- probe
- light
- fiber sensing
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- Expired - Fee Related
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Abstract
The utility model relates to a function type optical fiber liquid interface sensor, particularly a sensor used for component elements of finished oil, such as production, storage, selling, etc., and the interface detection and the monitoring of medium which is insoluble in water and water in containers. An optical fiber sensing head installed on a probe, the probe and an outer probe rod are connected with an anti-explosion box through a connecting shaft or directly through the connecting shaft or connected with the anti-explosion box through a metal corrugated pipe and the connecting shaft, and a photoelectric coupler arranged in the anti-explosion box and an electronic circuit are connected with an outer output cable. The photoelectric coupler is composed of an infrared light transmitting tube, a tube seat, incidence optical fibers, a seat tube, return light optical fibers and an infrared receiving tube, and an optical fiber sensing head is formed by a U-shaped optical fiber sensing head, the incidence optical fibers and the return light optical fibers. The utility model has the advantages of ingenious structure, reliable performance, simple manufacture, low cost, convenient maintenance, long service life, no electric detection in containers, good safe explosion prevention performance, and effective identification of oil water layers. When accumulated water in underground oil product tanks is pumped and discharged, the utility model can effectively control accidents which are possible to occur when oil products are pumped and discharged.
Description
Technical field the utility model is used for product oil in links such as production, storage, transportation, loading and unloading, and the medium in the container and the interface of water are detected, the sensor of monitoring.
The having of background technology patent applied for " optical fiber point type liquid level gauge " (patent No. 97241632), it is made up of optical fiber point sensor, opto-electronic conversion case, electric signal arrangement processor, display alarm.The optical fiber point sensor advance light optical fiber, the answer the smooth optic fibre end face is melt into spherical sensing head, and by fiber boot, stainless steel sleeve, fixedly protection such as bump protection ring, charging hole is arranged on the stainless steel sleeve, the net head is arranged at the bottom.Sensor places the setting position in the sealing flow container, and sensing head is measured the light signal that there is no liquid this position, through fiber optic conduction, and opto-electronic conversion, shaping is handled and is sent the display alarm signal." fibre optic liquid level sensor " (number of patent application 200420017703.7), the optical fiber sensing head is made of incident optical, the answer the smooth optic fibre of U-shaped sensing head and interior dress, the optical fiber sensing head is installed on the probe socket, probe socket is contained in the fiber-optic probe bar, fiber-optic probe bar or directly connect, or by coupling shaft, connect armored cassette and interior fiber coupler and outer output cable thereof through metallic bellows.It can be according to the spacing placement location that changes at any time, and limiting overload, the situation of carrying takes place less, avoids because of generation super, that be fully loaded with caused blast, accident on fire.
The summary of the invention the purpose of this utility model aims to provide a kind of delicate structure, dependable performance, making is simple, cost is low, be convenient to maintenance, long service life, no electro-detection in the container, safety anti-explosive are good, to in the underground oil product jar during ponding pump drainage, can effectively control the water of oil product lower floor is taken out the outer functional fiber liquid interface sensor of drain tank.
The implementation of the utility model purpose is, the functional fiber liquid interface sensor, U-shaped optical fiber sensing head 12, incident optical 11, answer the smooth optic fibre 13 constitutes optical fiber sensing head 1, optical fiber sensing head 1 is installed on the probe 2, probe 2, outer feeler lever 3 passes through coupling shaft 4 or directly is connected with armored cassette 7 by coupling shaft 6, or by metallic bellows 5, coupling shaft 6 is connected with armored cassette 7, the photoelectrical coupler that is contained in the armored cassette connects outer output cable, photoelectrical coupler is launched by light, light transmission, light modulated receives, converting electric signal three parts to constitutes, the infrared light power valve 8 that constitutes the light radiating portion is installed in the base 9, draw by seat pipe 10 through incident optical 11, turning back in incident optical 11 to optical fiber head 12 places, enters the seat pipe 14 of optical receiver and infrared receiving tube 16 couplings in the base 15 through answer the smooth optic fibre 13 again.
The utility model delicate structure, dependable performance, making is simple, cost is low, be convenient to safeguard, long service life, no electro-detection in the container, safety anti-explosive is good, can effectively discern oil-water-layer, to in the underground oil product jar during ponding pump drainage, can effectively control the oil product pump drainage is had and contingent accident.
Description of drawings
Fig. 1 a, b the utility model structural representation
Fig. 2 photoelectrical coupler structural representation
Fig. 3 a, b optical fiber sensing head structure and fundamental diagram
Embodiment is with reference to Fig. 1 a, b, the utility model optical fiber sensing head 1 is installed on the probe 2, probe 2, outer feeler lever 3 pass through coupling shaft 4 or directly are connected with armored cassette 7 by coupling shaft 6, or be connected with armored cassette 7 by metallic bellows 5, coupling shaft 6, be contained in the interior photoelectrical coupler of armored cassette and connect outer output cable.
With reference to Fig. 2, photoelectrical coupler is received, is converted to electric signal three parts and constitute by light emission, light transmission, light modulated, the infrared light power valve 8 that constitutes the light radiating portion is installed in the base 9, draw by seat pipe 10 through incident optical 11, turning back in infrared incident optical 11 to optical fiber head 12 places, enters the seat pipe 14 of optical receiver and infrared receiving tube 16 couplings in the base 15 through answer the smooth optic fibre 13 again.In photoelectrical coupler, finish the course of work of electricity-light-electricity conversion.Base 9,10 adopts the plain metal injection needle.
With reference to Fig. 3 a, b, U-shaped optical fiber sensing head 12, incident optical 11, answer the smooth optic fibre 13 constitute optical fiber sensing head 1.Infrared light turns back at U-shaped optical fiber sensing head 12 places through incident optical 11, by answer the smooth optic fibre 13 light echos.In the air shown in Fig. 3 a 17, infrared light is in the place's total reflection of U-shaped optical fiber sensing head, light intensity is stronger in the answer the smooth optic fibre, and in the liquid shown in Fig. 3 b 18, infrared light at U-shaped optical fiber sensing head 12 to liquid refracting, different liquid refractivity differences, the light intensity difference of answer the smooth optic fibre 13 light echos, light modulating signal in the answer the smooth optic fibre carries out opto-electronic conversion through infrared receiving tube, and after external circuit was handled, output switch order executive system was finished Control work.
Claims (2)
1, the functional fiber liquid interface sensor, U-shaped answer the smooth optic fibre sensing head (12), incident optical (11), answer the smooth optic fibre (13) constitutes optical fiber sensing head (1), it is characterized in that optical fiber sensing head (1) is installed on the probe (2), probe (2), outer feeler lever (3) passes through coupling shaft (4) or directly is connected with armored cassette (7) by coupling shaft (6), or by metallic bellows (5), coupling shaft (6) is connected with armored cassette (7), be contained in the photoelectrical coupler in the armored cassette, electronic circuit connects outer output cable, photoelectrical coupler is launched by light, light transmission, light modulated receives, converting electric signal three parts to constitutes, the infrared light power valve (8) that constitutes the light radiating portion is installed in the base (9), draw by seat pipe (10) through incident optical (11), incident optical (11) to optical fiber head (12) is located to turn back, and enters the seat pipe (14) of optical receiver and infrared receiving tube (16) coupling in the base (15) through answer the smooth optic fibre (13) again.
2, functional fiber liquid interface sensor according to claim 1 is characterized in that base (9), (10) employing plain metal injection needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075953 CN2711705Y (en) | 2004-07-12 | 2004-07-12 | Function type optical fiber liquid interface sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075953 CN2711705Y (en) | 2004-07-12 | 2004-07-12 | Function type optical fiber liquid interface sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2711705Y true CN2711705Y (en) | 2005-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420075953 Expired - Fee Related CN2711705Y (en) | 2004-07-12 | 2004-07-12 | Function type optical fiber liquid interface sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2711705Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103164931A (en) * | 2011-12-14 | 2013-06-19 | 王宇杰 | Overflow reminder |
| CN103697967A (en) * | 2013-12-19 | 2014-04-02 | 天津理工大学 | Oil-water interface monitor for petrochemical engineering industry |
| CN105424136A (en) * | 2015-12-15 | 2016-03-23 | 竞陆电子(昆山)有限公司 | Probe type liquid-level meter water-wave-resistant device |
| CN106315495A (en) * | 2016-09-12 | 2017-01-11 | 西安安森智能仪器股份有限公司 | Intelligent oil water pumping draining system |
| CN108267403A (en) * | 2018-01-10 | 2018-07-10 | 重庆大学 | A kind of fibre-optical sensing device and its manufacturing method for being used to monitor bridge pier surrounding soil erodsion loss |
-
2004
- 2004-07-12 CN CN 200420075953 patent/CN2711705Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103164931A (en) * | 2011-12-14 | 2013-06-19 | 王宇杰 | Overflow reminder |
| CN103697967A (en) * | 2013-12-19 | 2014-04-02 | 天津理工大学 | Oil-water interface monitor for petrochemical engineering industry |
| CN105424136A (en) * | 2015-12-15 | 2016-03-23 | 竞陆电子(昆山)有限公司 | Probe type liquid-level meter water-wave-resistant device |
| CN106315495A (en) * | 2016-09-12 | 2017-01-11 | 西安安森智能仪器股份有限公司 | Intelligent oil water pumping draining system |
| CN106315495B (en) * | 2016-09-12 | 2019-01-15 | 西安安森智能仪器股份有限公司 | A kind of grease intelligence evacuation system |
| CN108267403A (en) * | 2018-01-10 | 2018-07-10 | 重庆大学 | A kind of fibre-optical sensing device and its manufacturing method for being used to monitor bridge pier surrounding soil erodsion loss |
| CN108267403B (en) * | 2018-01-10 | 2020-10-27 | 重庆大学 | Optical fiber sensing device for monitoring erosion loss of soil around pier and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |