CN202648714U - Flow rate device provided with small-caliber high-pressure spray nozzle and based on fiber grating micro-pressure-difference sensing - Google Patents
Flow rate device provided with small-caliber high-pressure spray nozzle and based on fiber grating micro-pressure-difference sensing Download PDFInfo
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- CN202648714U CN202648714U CN 201220353252 CN201220353252U CN202648714U CN 202648714 U CN202648714 U CN 202648714U CN 201220353252 CN201220353252 CN 201220353252 CN 201220353252 U CN201220353252 U CN 201220353252U CN 202648714 U CN202648714 U CN 202648714U
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- spray nozzle
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Abstract
A flow rate device provided with a small-caliber high-pressure spray nozzle and based on fiber grating micro-pressure-difference sensing comprises a hexagonal thick-walled tube, wherein connection screw buckles are arranged at two ends of the hexagonal thick-walled tube, and the small-caliber high-pressure spray nozzle is mounted in the hexagonal thick-walled tube; screw buckle holes are formed in the wall of the hexagonal thick-walled tube at two ends of the small-caliber high-pressure spray nozzle and connected with dual-head screw buckle joints; the upper parts of the two dual-head screw buckle joints are connected with screw holes at two ends of a pressure difference cavity; the middle of the pressure difference cavity is in threaded connection; an alloy membrane is arranged at the threaded connection part in the middle of the pressure difference cavity; a fiber grating sensor is arranged on the alloy membrane and connected with a high-precision fiber grating demodulator; and the high-precision fiber grating demodulator is connected with a computer. The flow rate device with the small-caliber high-pressure spray nozzle adopting the novel technology of the fiber grating micro-pressure-difference sensor has a simple structure, is accurate in measurement and can achieve continuous measurement.
Description
Technical field
The utility model belongs to flow measurement device, particularly a kind of small caliber high pressure nozzle flow apparatus based on fiber grating micro-pressure-difference sensing.
Background technology
In the high pressure flow measuring technique, also do not adopt at present flow apparatus.
The utility model content
Technical problem to be solved in the utility model is: a kind of small caliber high pressure nozzle flow apparatus based on fiber grating micro-pressure-difference sensing is provided.It is the high pressure flow measurement mechanism that adopts advanced fiber grating micro-pressure-difference sensing technology.
The technical solution of the utility model is:
A kind of small caliber high pressure nozzle flow apparatus based on fiber grating micro-pressure-difference sensing, it is characterized in that: six side's thick-walled pipes, there is the spiral shell of connection button at two ends, microtubules footpath high pressure nozzle is housed in six side's thick-walled pipes, six side's thick-walled pipe tube walls at small caliber high pressure nozzle two ends have the spiral shell button hole, connect double end spiral shell buckle joint on the spiral shell button hole, two double end spiral shell buckle joint tops are connected on the screw at two ends, pressure reduction chamber, pressure reduction chamber intermediate thread connects, connection of thread in the middle of in the pressure reduction chamber has the alloy diaphragm, on the alloy diaphragm fiber-optic grating sensor is arranged.
Fiber-optic grating sensor connects the high precision optical fiber grating detuner, and the high precision optical fiber grating detuner connects computing machine.
The utility model effect is:
The small caliber high pressure nozzle flow apparatus of this fiber grating micro-pressure sensor of employing new technology, simple in structure, measure accurately, but continuous coverage.
Description of drawings
Fig. 1 is based on the structural representation of the small caliber high pressure nozzle flow apparatus of fiber grating micro-pressure-difference sensing
Among the figure: 1 six side's thick-walled pipes, 2 small caliber high pressure nozzles, 3 double end spiral shell buckle joints, 4 pressure reduction chambeies, 5 alloy diaphragms, 6 fiber-optic grating sensors, 7 high precision optical fiber grating detuners, 8 computing machines.
Embodiment
A kind of small caliber high pressure nozzle flow apparatus based on fiber grating micro-pressure-difference sensing as shown in the figure, six side's thick-walled pipes, there is the spiral shell of connection button at two ends, microtubules footpath high pressure nozzle is housed in six side's thick-walled pipes, six side's thick-walled pipe tube walls at small caliber high pressure nozzle two ends have the spiral shell button hole, connect double end spiral shell buckle joint on the spiral shell button hole, two double end spiral shell buckle joint tops are connected on the screw at two ends, pressure reduction chamber, pressure reduction chamber intermediate thread connects, connection of thread in the middle of in the pressure reduction chamber has the alloy diaphragm, on the alloy diaphragm fiber-optic grating sensor is arranged, fiber-optic grating sensor connects the high precision optical fiber grating detuner, and the high precision optical fiber grating detuner connects computing machine.
This device is achieved in that this device is by main body six side's thick-walled pipes; Small caliber in main body six side's thick-walled pipes; Nozzle; The fiber grating micro-pressure sensor is responsive;
When fluid flows through from the small caliber inner chamber of main body, form micro-pressure-difference through nozzle, responsive by the fiber grating micro-pressure sensor, sensitive data is by fiber grating micro-pressure-difference sensing data detuner and computing machine, the variation of measuring flow according to the variation of optic fiber grating wavelength.
The utility model application examples
The present invention is installed in series in the pipeline of 10# aircraft fluid or 32#, 46#, 68# antiwear hydraulic oil, can detects to such an extent that index is
1, flow velocity: 0.5～3 meter per second, 3～6 meter per seconds
2, flow: 0～300 liter/min (generally in low, two kinds of maximum flows of lower minute size of high-pressure situations: 60 liter/mins, 110 liter/mins)
3, pipeline inside nominal diameter: Φ 6, Φ 10, and Φ 15
4, pressure limit: 0～40MPa.Corresponding different flow velocity and flow pressures divides high and low pressure two kinds of situations.
Claims (2)
1. small caliber high pressure nozzle flow apparatus based on fiber grating micro-pressure-difference sensing, it is characterized in that: six side's thick-walled pipes, there is the spiral shell of connection button at two ends, microtubules footpath high pressure nozzle is housed in six side's thick-walled pipes, on six side's thick-walled pipe tube walls at small caliber high pressure nozzle two ends, the spiral shell button hole is arranged, on the spiral shell button hole, connect double end spiral shell buckle joint, two double end spiral shell buckle joint tops are connected on the screw at two ends, pressure reduction chamber, pressure reduction chamber intermediate thread connects, there is the alloy diaphragm threaded connection place in the middle of in the pressure reduction chamber, on the alloy diaphragm, fiber-optic grating sensor is arranged
2. the small caliber high pressure nozzle flow apparatus based on fiber grating micro-pressure-difference sensing according to claim 1 is characterized in that: described fiber-optic grating sensor connection high precision optical fiber grating detuner, high precision optical fiber grating detuner connection computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353252 CN202648714U (en) | 2012-07-20 | 2012-07-20 | Flow rate device provided with small-caliber high-pressure spray nozzle and based on fiber grating micro-pressure-difference sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353252 CN202648714U (en) | 2012-07-20 | 2012-07-20 | Flow rate device provided with small-caliber high-pressure spray nozzle and based on fiber grating micro-pressure-difference sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648714U true CN202648714U (en) | 2013-01-02 |
Family
ID=47417809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220353252 Expired - Fee Related CN202648714U (en) | 2012-07-20 | 2012-07-20 | Flow rate device provided with small-caliber high-pressure spray nozzle and based on fiber grating micro-pressure-difference sensing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202648714U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567986A (en) * | 2013-10-11 | 2015-04-29 | 中国人民解放军第二炮兵工程大学 | FBG (fiber bragg grating)-based multifunctional flow sensor provided with embedded standard nozzle |
| CN104707739A (en) * | 2013-12-11 | 2015-06-17 | 财团法人金属工业研究发展中心 | Directional high-pressure spray nozzle structure and manufacturing process thereof |
| CN105352558A (en) * | 2015-10-22 | 2016-02-24 | 哈尔滨工业大学 | Underground optical fiber vortex-shedding flowmeter and underground flow measuring method |
-
2012
- 2012-07-20 CN CN 201220353252 patent/CN202648714U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567986A (en) * | 2013-10-11 | 2015-04-29 | 中国人民解放军第二炮兵工程大学 | FBG (fiber bragg grating)-based multifunctional flow sensor provided with embedded standard nozzle |
| CN104707739A (en) * | 2013-12-11 | 2015-06-17 | 财团法人金属工业研究发展中心 | Directional high-pressure spray nozzle structure and manufacturing process thereof |
| CN105352558A (en) * | 2015-10-22 | 2016-02-24 | 哈尔滨工业大学 | Underground optical fiber vortex-shedding flowmeter and underground flow measuring method |
| CN105352558B (en) * | 2015-10-22 | 2019-03-29 | 哈尔滨工业大学 | A kind of downhole optic fiber vortex-shedding meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20210720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |