CN107228954A - The improved structure of supersonic Doppler flow velocity instrument probe - Google Patents
The improved structure of supersonic Doppler flow velocity instrument probe Download PDFInfo
- Publication number
- CN107228954A CN107228954A CN201710480659.5A CN201710480659A CN107228954A CN 107228954 A CN107228954 A CN 107228954A CN 201710480659 A CN201710480659 A CN 201710480659A CN 107228954 A CN107228954 A CN 107228954A
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- CN
- China
- Prior art keywords
- flow guiding
- guiding head
- head
- fixedly mounted
- circuit board
- 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.)
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- 239000000523 sample Substances 0.000 title claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000002463 transducing effect Effects 0.000 claims description 2
- 239000008384 inner phase Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- 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
- G01P5/24—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 acoustical wave
- G01P5/241—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 acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of improved structure of supersonic Doppler flow rate and direction instrument probe, including two transducers, body, flow guiding head, tail-hoods；Described flow guiding head is fixedly mounted on the front end of body, and tail-hood is fixedly mounted on the rear end of body, and two transducers are fixedly mounted in flow guiding head.Because two transducers are fixedly mounted in flow guiding head by the present invention, as long as opening up mounting hole in flow guiding head, so that it may which transducer is fixedly mounted, installation is more prone to.The present invention eliminates empennage, and structure is simpler.
Description
Technical field
The present invention relates to hydrological instrument field, more particularly to a kind of improvement knot of supersonic Doppler flow velocity instrument probe
Structure.
Background technology
At present, supersonic Doppler current meter uses ultrasonic transducer, uses ultrasonic listening flow velocity, measurement point is in instrument machine
In front of body, flow field is not destroyed, is more advanced current measured technology, be extensive in laboratory, rivers, sea flow measuring in the world at present
The capital equipment used.High with measurement accuracy, broad quantum can survey weak current, can also survey high current；Sense sensitive, high resolution, no
Limited by start velocity；Fast response time, can survey instantaneous velocity, can also survey mean flow rate；Measurement is linear, flow velocity calibrating curve one
As will not change；Non-activity wearing terrain, the problems such as being wound in the absence of silt blocking or pasture and water debris；Probe is sturdy and durable, no
It is fragile, can unattended long-term automatic monitoring, remote transmission the advantages of.As shown in figure 1, a kind of probe 1 ' commonly used includes two
Individual transducer 11 ', body 12 ', flow guiding head 13 ', empennage 14 ', circuit board, pressure sensor, temperature sensor, flow direction sensing
Device, circuit board support.Described flow guiding head 13 ' is fixed on the front end of body 12 ', and empennage 14 ' is fixed on the rear end of body 12 '.
Two described diagonally-installed both sides in the front end of body 12 ' of transducer 11 ', longitudinal axis and the longitudinal axis of body 12 ' of transducer 11 '
Line formation angle theta, angle theta is 7 ° ~ 20 °, and the extended line intersection of two angle thetas of transducer 11 ' is the intelligence sample window of flow velocity
Mouthful, a transducer 11 ' is responsible for transmitting sound wave, and another transducer 11 ' is responsible for receiving sound wave；Described circuit board support is installed
In body 12 ', circuit board, flow direction sensor are all arranged on circuit board support, and cable goes out through the cable at the top of body 12 '
Mouth is electrically connected with circuit board.Described pressure sensor is arranged in body 12 ' in the plane of rear end.Because of two transducers 11 '
The diagonally-installed outer both sides in the front end of body 12 ', cause the horizontal volume of probe 1 ' larger and prominent so that difficult during production and processing
Degree increase, easily tangles pasture and water and floating object, it is also possible to which generation blocks water, and will influence measurement accuracy in measurement.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, small volume, supersonic Doppler stream easy to install
The improved structure of fast instrument probe.
To achieve the above object, technical solution of the invention is：
The present invention is a kind of improved structure of supersonic Doppler flow velocity instrument probe, including two transducers, body, flow guiding head,
Tail-hood；Described flow guiding head is fixedly mounted on the front end of body, and tail-hood is fixedly mounted on the rear end of body, and two transducers are fixed
In flow guiding head.
Present invention additionally comprises pressure sensor, temperature sensor, mud blocking pipe, circuit board, circuit board rack, sealing ring；It is described
Mud blocking pipe be laterally set in flow guiding head and flow guiding head outer wall is stretched out in the outer end of mud blocking pipe, pressure sensor is arranged in body
Chamber and relative with the inner of mud blocking pipe, temperature sensor is arranged in flow guiding head and positioned at the front end of flow guiding head；Described circuit
Plate is fixedly mounted on tube cavity by circuit board rack, and between flow guiding head and body, sealing ring is provided between tail-hood and body.
The front end of described flow guiding head offers two through holes, the center line diagonal cross of two through holes, two transducers
Fixation is nested with two through holes of flow guiding head front end respectively.
After such scheme, because two transducer retractions are fixedly mounted in flow guiding head by the present invention, as long as leading
Mounting hole is opened up in stream head, so that it may transducer is fixedly mounted, installation is more prone to, is overcome drawbacks described above.Structure of the present invention
It is simpler, install and use more convenient.
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the axonometric drawing for commonly using probe；
Fig. 2 is the axonometric drawing of the present invention；
Fig. 3 is the sectional view of the present invention in the horizontal direction；
Fig. 4 is the sectional view of the present invention vertically；
Fig. 5 is the cross-sectional view of flow guiding head part of the present invention；
Fig. 6 is the sectional view of flow guiding head part of the present invention.
Embodiment
As shown in Fig. 2-Fig. 6, a kind of improved structure of supersonic Doppler flow velocity instrument probe of the invention, including two transducings
It is device 1, body 2, flow guiding head 3, tail-hood 4, pressure sensor 5, temperature sensor 6, mud blocking pipe 7, circuit board 8, circuit board rack 9, close
Seal 10.
Described flow guiding head 3 is fixedly mounted on the front end of body 2, and tail-hood 4 is fixedly mounted on the rear end of body 2.Described
The front end of flow guiding head 3 offers two through holes 31, and the center line diagonal cross of two through holes 31, two transducers 1 are fixed respectively
It is nested with two through holes 31 of the front end of flow guiding head 3 so that form angle theta between the longitudinal axis and horizontal line of transducer 1.
Described mud blocking pipe 7 is laterally set in flow guiding head 3 and the outer wall of flow guiding head 3 is stretched out in the outer end of mud blocking pipe 7, and pressure is passed
Sensor 5 is installed in the inner chamber of body 2 and relative with the inner of mud blocking pipe 7, and temperature sensor 6 is arranged in flow guiding head 3 and is located at and leads
The front end of stream first 3.
Described circuit board 8 is fixedly mounted on the inner chamber of body 2 by circuit board rack 9, between flow guiding head 3 and body 2, tail-hood
Sealing ring 10 is provided between 4 and body 2.
The operation principle of the present invention：
When current flow through flow guiding head 3, the extended line intersection of two angle thetas of transducer 1 is the intelligence sample window of flow velocity, one
Transducer 1 is responsible for transmitting sound wave, and another transducer 1 is responsible for receiving sound wave；Meanwhile, current are flowed into from the tube chamber of mud blocking pipe 7, conduction
To pressure sensor 5, pressure sensor 5 obtains pressure parameter, and temperature sensor 6 obtains temperature parameter.
When mud blocking pipe 7 retains more sludge, it can be cleared up by mud blocking pipe 7 from flow guiding head 3 from taking-up, it is very convenient
Fast, while avoiding the possibility that pressure sensor is damaged because clearing up sludge.
The emphasis of the present invention is that：Transducer is arranged in flow guiding head.
It is described above, only present pre-ferred embodiments, therefore the scope that the present invention is implemented can not be limited with this, i.e., according to
The equivalent changes and modifications that scope of the present invention patent and description are made, all should still belong to the model that patent of the present invention covers
In enclosing.
Claims (3)
1. a kind of improved structure of supersonic Doppler flow velocity instrument probe, it is characterised in that：Including two transducers, bodys, lead
Flow head, tail-hood；Described flow guiding head is fixedly mounted on the front end of body, and tail-hood is fixedly mounted on the rear end of body, two transducings
Device is fixedly mounted in flow guiding head.
2. the improved structure of supersonic Doppler flow velocity instrument probe according to claim 1, it is characterised in that：Also include pressure
Force snesor, temperature sensor, mud blocking pipe, circuit board, circuit board rack, sealing ring；Described mud blocking pipe is laterally set in water conservancy diversion
Head in and mud blocking pipe outer end stretch out flow guiding head outer wall, pressure sensor be arranged on tube cavity and with the inner phase of mud blocking pipe
Right, temperature sensor is arranged in flow guiding head and positioned at the front end of flow guiding head；Described circuit board is fixed by circuit board rack pacifies
Between tube cavity, flow guiding head and body, sealing ring is provided between tail-hood and body.
3. the improved structure of supersonic Doppler flow velocity instrument probe according to claim 1, it is characterised in that：Described leads
The front end of stream head offers two through holes, and the center line diagonal cross of two through holes, two transducers are fixed to be nested with and led respectively
In two through holes for flowing head front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480659.5A CN107228954A (en) | 2017-06-22 | 2017-06-22 | The improved structure of supersonic Doppler flow velocity instrument probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480659.5A CN107228954A (en) | 2017-06-22 | 2017-06-22 | The improved structure of supersonic Doppler flow velocity instrument probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107228954A true CN107228954A (en) | 2017-10-03 |
Family
ID=59936213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710480659.5A Withdrawn CN107228954A (en) | 2017-06-22 | 2017-06-22 | The improved structure of supersonic Doppler flow velocity instrument probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107228954A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596419A (en) * | 2019-11-01 | 2019-12-20 | 南宁强国科技有限公司 | Doppler current meter for fish lead |
| CN112526162A (en) * | 2020-11-13 | 2021-03-19 | 长江水利委员会长江科学院 | Pulsating flow velocity measuring device and method based on piezoelectric composite wafer and ultrasonic technology |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1238585A (en) * | 1968-08-22 | 1971-07-07 | ||
| CN201182007Y (en) * | 2007-12-03 | 2009-01-14 | 夏文军 | Energy converter for ultrasound Doppler signal receiving and transmitting device |
| CN104407171A (en) * | 2014-12-02 | 2015-03-11 | 厦门博意达科技有限公司 | Ultrasonic Doppler flow direction and flow rate instrument |
| CN204241025U (en) * | 2014-11-13 | 2015-04-01 | 张健 | A kind of underground pipe network monitoring probe |
| CN104569483A (en) * | 2015-01-16 | 2015-04-29 | 北京瑞科视讯科技有限公司 | Ultrasonic sensor for measuring silt concentration and three-dimensional instant flow rate at the same time |
| CN205982316U (en) * | 2016-08-31 | 2017-02-22 | 福州大禹电子科技有限公司 | Ultrasonic Doppler Velocimeter |
| CN207007875U (en) * | 2017-06-22 | 2018-02-13 | 厦门博意达科技有限公司 | The improved structure of supersonic Doppler flow velocity instrument probe |
-
2017
- 2017-06-22 CN CN201710480659.5A patent/CN107228954A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1238585A (en) * | 1968-08-22 | 1971-07-07 | ||
| CN201182007Y (en) * | 2007-12-03 | 2009-01-14 | 夏文军 | Energy converter for ultrasound Doppler signal receiving and transmitting device |
| CN204241025U (en) * | 2014-11-13 | 2015-04-01 | 张健 | A kind of underground pipe network monitoring probe |
| CN104407171A (en) * | 2014-12-02 | 2015-03-11 | 厦门博意达科技有限公司 | Ultrasonic Doppler flow direction and flow rate instrument |
| CN104569483A (en) * | 2015-01-16 | 2015-04-29 | 北京瑞科视讯科技有限公司 | Ultrasonic sensor for measuring silt concentration and three-dimensional instant flow rate at the same time |
| CN205982316U (en) * | 2016-08-31 | 2017-02-22 | 福州大禹电子科技有限公司 | Ultrasonic Doppler Velocimeter |
| CN207007875U (en) * | 2017-06-22 | 2018-02-13 | 厦门博意达科技有限公司 | The improved structure of supersonic Doppler flow velocity instrument probe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596419A (en) * | 2019-11-01 | 2019-12-20 | 南宁强国科技有限公司 | Doppler current meter for fish lead |
| CN110596419B (en) * | 2019-11-01 | 2024-02-13 | 南宁强国科技有限公司 | Doppler current meter for lead fish |
| CN112526162A (en) * | 2020-11-13 | 2021-03-19 | 长江水利委员会长江科学院 | Pulsating flow velocity measuring device and method based on piezoelectric composite wafer and ultrasonic technology |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171003 |
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| WW01 | Invention patent application withdrawn after publication |