CN109298206A - A kind of fiber grating flow rate of water flow sensor - Google Patents
A kind of fiber grating flow rate of water flow sensor Download PDFInfo
- Publication number
- CN109298206A CN109298206A CN201811504725.9A CN201811504725A CN109298206A CN 109298206 A CN109298206 A CN 109298206A CN 201811504725 A CN201811504725 A CN 201811504725A CN 109298206 A CN109298206 A CN 109298206A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- arc
- inner cavity
- fiber grating
- link block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of fiber grating flow rate of water flow sensors, including pipeline body, link block is fixedly connected at the top of the pipeline body, the bottom of the link block is provided through fixed block, locating piece is fixedly connected at the top of the link block inner cavity, the fixed block is adapted with locating piece, and the top of the fixed block two sides offers thread groove, the two sides of the link block inner cavity are fixedly connected to nut, and the two sides of the link block are provided through bolt.The present invention is used cooperatively by link block, fixed block, locating piece, nut, bolt, closing piece, arc-shaped lock bar, connecting rod, shifting block, spring and sensor body, solves existing fiber grating flow rate of water flow sensor inconvenient problem with use, the fiber grating flow rate of water flow sensor has advantage easy to use, it is more convenient replacement when sensor degradation, substantially increases the practicability of fiber grating flow rate of water flow sensor.
Description
Technical field
The present invention relates to Fiber Bragg Grating technology field, specially a kind of fiber grating flow rate of water flow sensor.
Background technique
Fiber grating is a kind of refractive index generation axial cyclic modulation formation for making fiber core by certain method
Diffraction grating, be a kind of passive filtering device, due to grating fibers have small in size, splice loss, splice attenuation is small, be compatible with optical fiber entirely,
The advantages that intellectual material can be embedded to, and its resonance wavelength is to the variation ratio of the external environments such as temperature, strain, refractive index, concentration
It is more sensitive, therefore be widely used in fiber optic communication and sensory field.
Fiber grating flow rate of water flow sensor is a kind of sensor using fiber grating principle, however existing optical fiber light
Grid flow rate of water flow sensor is inconvenient to use, is inconvenient to replace when sensor degradation, greatly reduces fiber grating water flow stream
The practicability of fast sensor.
Summary of the invention
The purpose of the present invention is to provide a kind of fiber grating flow rate of water flow sensors, have advantage easy to use, solution
It has determined existing fiber grating flow rate of water flow sensor inconvenient problem with use.
To achieve the above object, the invention provides the following technical scheme: a kind of fiber grating flow rate of water flow sensor, including
Pipeline body is fixedly connected with link block at the top of the pipeline body, and the bottom of the link block is provided through fixed block,
Locating piece is fixedly connected at the top of the link block inner cavity, the fixed block is adapted with locating piece, the fixed block two sides
Top offer thread groove, the two sides of the link block inner cavity are fixedly connected to nut, and the two sides of the link block are equal
It is provided through bolt, one end of the bolt is through to the inner cavity of thread groove, and the bottom of the fixed block is fixedly connected with lock
Block, the side of the closing piece offer arc groove, offer movable span at the top of the arc groove inner cavity, the arc groove it is interior
Chamber slidably connects arc-shaped lock bar, and connecting rod is fixedly connected at the top of the arc-shaped lock bar, lock is through at the top of the connecting rod
The top of block is simultaneously fixedly connected with shifting block, and the side of the arc groove inner cavity is fixedly connected with spring, the other end of the spring
It is fixedly connected with arc-shaped lock bar, the other side of the closing piece offers card slot, and the arc-shaped lock bar runs through far from one end of spring
To the inner cavity of card slot, the inner cavity of the closing piece is provided with sensor body.
Preferably, the bottom of the link block is fixedly connected with gasket, and the bottom of the gasket and pipeline body are solid
Fixed connection.
Preferably, the bottom of the arc-shaped lock bar is fixedly connected with antifriction scrubbing pad, the bottom of the antifriction scrubbing pad and closing piece
Contact.
Preferably, the arc-shaped lock bar is fixedly connected with bumper far from one end of spring, the bumper with a thickness of
Two millimeters.
Preferably, through-hole compatible with fixed block, the two sides of the link block are offered at the top of the pipeline body
Offer through-hole compatible with bolt.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention passes through link block, fixed block, locating piece, nut, bolt, closing piece, arc-shaped lock bar, connecting rod, shifting block, bullet
Being used cooperatively for spring and sensor body, solves existing fiber grating flow rate of water flow sensor inconvenient problem with use,
The fiber grating flow rate of water flow sensor has advantage easy to use, and replacement is more convenient when sensor degradation, is greatly improved
The practicability of fiber grating flow rate of water flow sensor.
2, the present invention avoids the inner cavity of pipeline body from occurring the feelings leaked when water flow passes through by the setting of gasket
Condition has greatly reinforced the leakproofness of pipeline body, by the setting of antifriction scrubbing pad, avoids arc-shaped lock bar sliding for a long time in arc groove
The case where moving and damaging, extends the service life of arc-shaped lock bar, by the setting of bumper, arc-shaped lock bar is avoided to be caught in
When in card slot and the case where the inner wall of closing piece hits and damages, extend the service life of closing piece.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is connecting block structure main view sectional view of the present invention；
Fig. 3 is lock block structure right view of the present invention；
Fig. 4 is the right view partial cutaway view of lock block structure of the present invention；
Fig. 5 is lock block structure face upwarding section of the present invention.
In figure: 1, pipeline body；2, link block；3, fixed block；4, locating piece；5, thread groove；6, nut；7, bolt；8,
Closing piece；9, arc groove；10, movable span；11, arc-shaped lock bar；12, connecting rod；13, shifting block；14, spring；15, card slot；16, sensor
Ontology；17, gasket；18, antifriction scrubbing pad；19, bumper.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of fiber grating flow rate of water flow sensor, including pipe
Road ontology 1, the top of pipeline body 1 are fixedly connected with link block 2, and the bottom of link block 2 is provided through fixed block 3, connection
Locating piece 4 is fixedly connected at the top of 2 inner cavity of block, fixed block 3 is adapted with locating piece 4, and the top of 3 two sides of fixed block opens up
There is thread groove 5, the two sides of 2 inner cavity of link block are fixedly connected to nut 6, and the two sides of link block 2 are provided through bolt 7,
One end of bolt 7 is through to the inner cavity of thread groove 5, and the bottom of fixed block 3 is fixedly connected with closing piece 8, and the side of closing piece 8 offers
Arc groove 9 offers movable span 10 at the top of 9 inner cavity of arc groove, and the inner cavity of arc groove 9 slidably connects arc-shaped lock bar 11, arc
The top of shape locking bar 11 is fixedly connected with connecting rod 12, and the top of connecting rod 12 is through to the top of closing piece 8 and is fixedly connected with shifting block
13, the side of 9 inner cavity of arc groove is fixedly connected with spring 14, and the other end of spring 14 is fixedly connected with arc-shaped lock bar 11, closing piece 8
The other side offer card slot 15, arc-shaped lock bar 11 is through to the inner cavity of card slot 15, the inner cavity of closing piece 8 far from one end of spring 14
It is provided with sensor body 16.
In the present invention: the bottom of link block 2 is fixedly connected with gasket 17, and the bottom of gasket 17 and pipeline body 1 are solid
Fixed connection, by the setting of gasket 17, avoid the inner cavity of pipeline body 1 water flow by when leak the case where, significantly
Strengthen the leakproofness of pipeline body 1.
In the present invention: the bottom of arc-shaped lock bar 11 is fixedly connected with antifriction scrubbing pad 18, the bottom of antifriction scrubbing pad 18 and closing piece 8
Contact, by the setting of antifriction scrubbing pad 18, avoids arc-shaped lock bar 11 the case where 9 long-time of arc groove slides out existing damage,
Extend the service life of arc-shaped lock bar 11.
In the present invention: arc-shaped lock bar 11 is fixedly connected with bumper 19, the thickness of bumper 19 far from one end of spring 14
Be two millimeters, by the setting of bumper 19, avoid arc-shaped lock bar 11 hit when being caught in card slot 15 with the inner wall of closing piece 8 and
The case where damaging extends the service life of closing piece 8.
In the present invention: the top of pipeline body 1 offers through-hole compatible with fixed block 3, and the two sides of link block 2 are opened
Equipped with through-hole compatible with bolt 7.
Working principle: for the present invention in use, user back-outs bolt 7, locking of the releasing to fixed block 3 makes fixed block 3
It falls into pipeline body 1, is then taken out, user stirs shifting block 13 and the movement of arc-shaped lock bar 11 is driven to press spring 14
Contracting makes arc-shaped lock bar 11 remove card slot 15, then takes out sensor body 16, change new sensor body 16 and be put into closing piece
In 8, shifting block 13 is then unclamped, spring 14 is resetted and drives arc-shaped lock bar 11 mobile into being carried out in card slot 15 to sensor body 16
It is fixed, then fixed block 3 is moved in link block 2 by the inner cavity of pipeline body 1, bolt 7 is then screwed into thread groove 5
It is interior that fixed block 3 is fixed, finally reach purpose easy to use.
In summary: the fiber grating flow rate of water flow sensor, by link block 2, fixed block 3, locating piece 4, nut 6,
Bolt 7, closing piece 8, arc-shaped lock bar 11, connecting rod 12, shifting block 13, spring 14 and sensor body 16 are used cooperatively, and are solved existing
Some fiber grating flow rate of water flow sensor inconvenient problems with use.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of fiber grating flow rate of water flow sensor, including pipeline body (1), it is characterised in that: the pipeline body (1)
Top is fixedly connected with link block (2), and the bottom of the link block (2) is provided through fixed block (3), the link block (2)
It is fixedly connected at the top of inner cavity locating piece (4), the fixed block (3) is adapted with locating piece (4), the fixed block (3) two
The top of side offers thread groove (5), and the two sides of link block (2) inner cavity are fixedly connected to nut (6), the connection
The two sides of block (2) are provided through bolt (7), and one end of the bolt (7) is through to the inner cavity of thread groove (5), described solid
The bottom for determining block (3) is fixedly connected with closing piece (8), and the side of the closing piece (8) offers arc groove (9), the arc groove (9)
It is offered at the top of inner cavity movable span (10), the inner cavity of the arc groove (9) slidably connects arc-shaped lock bar (11), the arc
It is fixedly connected at the top of locking bar (11) connecting rod (12), top and the fixation of closing piece (8) is through at the top of the connecting rod (12)
It is connected with shifting block (13), the side of arc groove (9) inner cavity is fixedly connected with spring (14), the other end of the spring (14)
It is fixedly connected with arc-shaped lock bar (11), the other side of the closing piece (8) offers card slot (15), and the arc-shaped lock bar (11) is separate
One end of spring (14) is through to the inner cavity of card slot (15), and the inner cavity of the closing piece (8) is provided with sensor body (16).
2. a kind of fiber grating flow rate of water flow sensor according to claim 1, it is characterised in that: the link block (2)
Bottom be fixedly connected with gasket (17), the bottom of the gasket (17) is fixedly connected with pipeline body (1).
3. a kind of fiber grating flow rate of water flow sensor according to claim 1, it is characterised in that: the arc-shaped lock bar
(11) bottom is fixedly connected with antifriction scrubbing pad (18), and the bottom of the antifriction scrubbing pad (18) is contacted with closing piece (8).
4. a kind of fiber grating flow rate of water flow sensor according to claim 1, it is characterised in that: the arc-shaped lock bar
(11) be fixedly connected with bumper (19) far from the one end of spring (14), the bumper (19) with a thickness of two millimeters.
5. a kind of fiber grating flow rate of water flow sensor according to claim 1, it is characterised in that: the pipeline body
(1) offered at the top of with fixed block (3) compatible through-hole, the two sides of the link block (2) offer and bolt (7) phase
The through-hole of adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504725.9A CN109298206A (en) | 2018-12-10 | 2018-12-10 | A kind of fiber grating flow rate of water flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504725.9A CN109298206A (en) | 2018-12-10 | 2018-12-10 | A kind of fiber grating flow rate of water flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109298206A true CN109298206A (en) | 2019-02-01 |
Family
ID=65142778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811504725.9A Pending CN109298206A (en) | 2018-12-10 | 2018-12-10 | A kind of fiber grating flow rate of water flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109298206A (en) |
-
2018
- 2018-12-10 CN CN201811504725.9A patent/CN109298206A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102608068A (en) | Photonic crystal fiber SPR (Surface Plasmon Resonance) sensing model with novel structure | |
| CA2559506A1 (en) | Four-port optical filter fabricated from tapered optical fiber | |
| CN102226725A (en) | Inner-wall waveguide long-time cycle fiber grating sensor | |
| CN202041222U (en) | In-wall waveguide long-period fiber grating sensor | |
| CN110261893A (en) | A kind of adjustable all -fiber acceleration microseismic monitoring sensor probe of damping | |
| CN105043264A (en) | Fiber optic displacement sensor based on macro-bending loss effect | |
| CN104154883A (en) | Inclination angle measuring sensor based on fused biconical taper structure of inclined fiber bragg grating | |
| CN109298206A (en) | A kind of fiber grating flow rate of water flow sensor | |
| CN102495023B (en) | Method for determining liquid medium refractive index by using optical fiber sensing technology | |
| CN103605187A (en) | Quasi-twin-core photonic crystal fiber tunable filter based on selective filling | |
| Bernstein et al. | Fiber optic sensors for use in monitoring flow front in vacuum resin transfer molding processes | |
| CN209296763U (en) | A kind of fiber grating flow rate of water flow sensor | |
| CN105181170A (en) | Mach-Zehnder interferometer temperature sensor based on corroded photonic crystal fibers | |
| CN109341564A (en) | A kind of FBG strain gauge | |
| CN101943766B (en) | Reconfigurable long-period optical fiber grating coupler | |
| CN204924487U (en) | Photonic crystal optic fibre mach - once is temperature sensor of interferometer morally based on corrosion treatment | |
| CN201508279U (en) | Optical-fiber circuit detecting unit and system thereof | |
| CN203396535U (en) | Fiber bragg grating pressure sensor with temperature compensation | |
| CN102147362B (en) | Temperature self-compensation FBG (Fiber Bragg Grating) refractive index sensor based on conical corrosion | |
| CN103364105B (en) | Optical fiber refractive index and temperature sensor based on multiple-mode interference and measuring method thereof | |
| CN209295917U (en) | A kind of protection sleeve of fiber Bragg grating strain sensor | |
| CN202330787U (en) | High-temperature/high-pressure resistant well-logging distributed sensing optical cable outside oil tube in oil well | |
| CN102706825A (en) | Method and system for measuring concentration of chemical solution by fiber bragg gratings (FBG) | |
| CN106017755A (en) | Concrete dam stress and strain multi-module mutual-correction fiber monitoring device | |
| CN103134632A (en) | Fiber grating pressure sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190201 |