CN107478277A - The measurement apparatus and its measuring method of pipe with small pipe diameter non-full pipe flow and concentration - Google Patents
The measurement apparatus and its measuring method of pipe with small pipe diameter non-full pipe flow and concentration Download PDFInfo
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- CN107478277A CN107478277A CN201710917728.4A CN201710917728A CN107478277A CN 107478277 A CN107478277 A CN 107478277A CN 201710917728 A CN201710917728 A CN 201710917728A CN 107478277 A CN107478277 A CN 107478277A
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- water
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- 238000005259 measurement Methods 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002245 particle Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The measurement apparatus of pipe with small pipe diameter non-full pipe flow of the present invention and concentration includes:Measurement pipe, ultrasonic range finder sensor, linker, connecting tube, sonac, float, Anti-overflow guard, flange and processor, flange is respectively provided with the both ends of measurement pipe, sonac is respectively provided with the radial symmetric opening position close to measurement bottom of the tube, linker is mounted in the opening position contour with measurement pipe diameter, one end of connecting tube is connected with measurement bottom of the tube, the other end is connected with the bottom of linker, in linker built with float, Anti-overflow guard is housed in the upper end of linker, ultrasonic range finder sensor is mounted in the surface of linker, the float being aligned in linker, two sonacs and ultrasonic range finder sensor are connected by information wire with processor respectively;The device can measure the flow of water and the concentration of water, have important value to the research of sponge urban construction.
Description
Technical field
The present invention relates to a kind of measurement apparatus and measuring method, particularly a kind of pipe with small pipe diameter non-full pipe flow and concentration
Measurement apparatus and its measuring method.
Background technology
Pipe with small pipe diameter multi-parameter is that parameter index important in model test is carried out in sponge urban construction.Actual measurement experiment
In, not only need to measure full packages parameter, while the multi-parameter of non-full pipe need to be measured.At present, to pipeline in water conservancy industry
The measurement of flow is full packages measurement mostly, on the Large Diameter Pipeline that the non-full pipe measurement to pipeline is also limited to.And it is directed to sponge urban construction
In, to the non-full pipe measuring multiple parameters problem of 3 ~ 7cm of diameter pipe with small pipe diameter, there has been no the product for solving the problem in the market.
The content of the invention
The purpose of present invention is the problem of solution must not carry out flow to pipe with small pipe diameter, non-full pipe current, and provides one
The non-full pipe flow and apparatus for measuring concentration and its measuring method of kind pipe with small pipe diameter.
In order to complete the goal of the invention of the present invention, the present invention uses following technical scheme
A kind of pipe with small pipe diameter non-full pipe flow of the present invention and the measurement apparatus of concentration, it includes:Measurement pipe, supersonic sounding sensing
Device, linker, connecting tube, sonac, float, Anti-overflow guard, flange and processor, it is respectively provided with the both ends of measurement pipe
Flange, wherein:Sonac is respectively provided with the radial symmetric opening position close to measurement bottom of the tube, linker is mounted in and measurement
The contour opening position of pipe diameter, one end of connecting tube are connected with measurement bottom of the tube, and the other end is connected with the bottom of linker, even
Logical device is equipped with Anti-overflow guard in the upper end of linker, ultrasonic range finder sensor is mounted in the surface of linker, right built with float
Float in quasi- linker, two sonacs and ultrasonic range finder sensor are connected by information wire with processor respectively;
A kind of pipe with small pipe diameter non-full pipe flow of the present invention and the measurement apparatus of concentration, wherein:The height of the linker be more than or
Equal to the internal diameter of measurement pipe, the height of water level is identical with height of water level in linker in measurement pipe, and the diameter of linker is much small
In the internal diameter of measurement pipe;
A kind of pipe with small pipe diameter non-full pipe flow of the present invention and the measurement apparatus of concentration, wherein:The pipe with small pipe diameter non-full pipe flow and
The measurement apparatus of concentration also includes:Temperature sensor, the temperature sensor are mounted in the bottom of measurement pipe, and it passes through information wire and place
Reason device is connected;
A kind of pipe with small pipe diameter non-full pipe flow of the present invention and the measurement apparatus of concentration, wherein:The pipe with small pipe diameter non-full pipe flow and
The measurement apparatus of concentration also includes:Fixed support, fixed support are fixed in measurement pipe, and supersonic sounding is housed on fixed support
Sensor and linker;
A kind of pipe with small pipe diameter non-full pipe flow of the present invention and the measurement apparatus of concentration, wherein:The pipe with small pipe diameter non-full pipe flow and
The measurement apparatus of concentration also includes:Base, measurement pipe is on base;
The flow-measuring method of the present invention, wherein:It comprises the following steps:
(a), with ultrasonic range finder sensor measure ultrasonic range finder sensor to the distance between float L, it is known that measurement pipe it is interior
The radius of wall is R, and height H=2R-L-d, d of the water in measurement pipe are the thickness of float, the area S that water occupies in measurement pipe=;
(b), by one of sonac to go out the frequency along current opposite direction with angular emission of the horizontal sextant angle as α
Rate isUltrasonic wave, another sonac receives the above-mentioned ultrasonic wave launched, its receives frequency, frequency change, then flow velocity of the water in measurement pipe be, C is the velocity of sound in water;
(c)By step(a)Area be multiplied by step(b)Flow velocity, as flow of the water in measurement pipe;
The water flow measuring method of the present invention, wherein:One sonac launches frequency and isUltrasonic wave after, pass through
TimeReceiving frequency by another sonac afterwards isUltrasonic wave, wherein s be two ultrasound pass
The distance between sensor, C are the velocity of sound in water, and the underwater speed C of ultrasonic wave is related to water temperature, when water temperature is 20 DEG C, C=
1492m/s;
The water flow measuring method of the present invention, wherein:The sonac is mounted in the survey away from measurement bottom of the tube 0.1R to 0.5R
On buret outer tube wall;
The water flow measuring method of the present invention, wherein:The sonac is by its tranmitting frequency, launch angle α and reception
FrequencyPass to processor;The temperature signal detected is passed to processor by temperature sensor, and processor is according to the signal
Obtain speed C of the ultrasonic wave in water;Ultrasonic range finder sensor passes to the distance between ultrasonic range finder sensor to float L
Processor;
The measuring method of the water concentration of the present invention, it is characterised in that:It comprises the following steps:
(i), before measurement pipe is dispatched from the factory it is demarcated, in the condition that a ultrasonic sensor emitted energy E is steady state value
Under, configure the N kind concentration liquids from low concentration to high concentration single-size, i.e. C1, C2 ... CN, by above-mentioned N kinds concentration liquid
Body is respectively charged into measurement pipe, under every kind of concentration, measures the ENERGY E 1 received by another sonac 9, and by its
As data storage within a processor;
(ii)In actual use, operator launches the ultrasonic wave that energy is E, another ultrasonic sensing with a sonac
Device receives the reflected energy E1 of above-mentioned ultrasonic wave, as long as operator finds the concentration corresponding to E1 within a processor, it is possible to
Water outlet middle particle concentration C is determined, or according to the ratio between two E1 demarcated, more accurately calculates water middle particle concentration C.
The pipe with small pipe diameter non-full pipe flow of the present invention and the measurement apparatus of concentration are using principle of Doppler measurement non-full pipe
Flow velocity, the water level of non-full pipe is measured using supersonic sounding principle, the size of ultrasonic reflection intensity is surveyed using to particle in water
The particle concentration realization in water is measured to the flow of pipe with small pipe diameter non-full pipe and the synchro measure of concentration, the research to sponge urban construction
With important value.
Brief description of the drawings
Fig. 1 be the present invention pipe with small pipe diameter non-full pipe flow and concentration measurement apparatus positive schematic diagram;
Fig. 2 is the diagrammatic cross-section at Figure 1A-A places;
Fig. 3 is sonac in measurement pipe pre-support and the principle schematic perspective view received;
Fig. 4 is that sonac is bowed to schematic diagram in measurement pipe pre-support and the principle received, and arrow in figure is measurement
Water (flow) direction in pipe.
In Fig. 1, Fig. 2 and Fig. 3, label 1 is flange;Label 2 is measurement pipe;Label 3 is ultrasonic range finder sensor;Label
4 are;Label 5 is linker;Label 6 is base;Label 7 is temperature sensor;Label 8 is connecting tube;Label 9 is ultrasonic sensing
Device;Label 10 is processor;Label 11 is Anti-overflow guard;Label 12 is float.
Embodiment
As shown in figure and Fig. 2, the measurement apparatus of pipe with small pipe diameter non-full pipe flow of the invention and concentration includes:Measurement pipe 2, ultrasound are surveyed
Passed away from sensor 3, linker 5, connecting tube 8, sonac 9, float 12, Anti-overflow guard 11, flange 1, processor 10, temperature
Sensor 7, fixed support 4 and base 6, flange 1 is respectively provided with the both ends of measurement pipe 2, it is right in the radial direction close to the bottom of measurement pipe 2
Opening position is claimed to be respectively provided with sonac 9, linker 5 is mounted in the opening position contour with the diameter of measurement pipe 2, the height of linker 5
Degree is more than or equal to the internal diameter of measurement pipe 2, and the height of water level is identical with height of water level in linker 5 in measurement pipe 2, linker 5
Diameter be far smaller than measurement pipe 2 internal diameter refer to the ratio between the diameter of linker 5 and the internal diameter of measurement pipe 2 be less than 1:10.Connection
One end of pipe 8 is connected with the bottom of measurement pipe 2, and the other end is connected with the bottom of linker 5, in linker 5 built with float 12,
The upper end of linker 5 is equipped with Anti-overflow guard 11, and ultrasonic range finder sensor 3 is mounted in the surface of linker 5, is aligned in linker 5
Float 12, fixed support 4 is fixed in measurement pipe 2, and ultrasonic range finder sensor 3 and linker 5 are housed on fixed support 4,
Measurement pipe 2 is on base 6.Temperature sensor 7 is mounted in the bottom of measurement pipe 2, two sonacs 9, supersonic sounding sensing
Device 3 and temperature sensor 7 are connected by information wire with processor 10 respectively, and pipe with small pipe diameter refers to a diameter of 3~10cm measurement pipe 2.
As Figure 3-Figure 4, the measuring method of flow in pipe with small pipe diameter is measured with the measurement apparatus shown in Fig. 1-2, it is wrapped
Include following steps:
(a), with ultrasonic range finder sensor 3 measure ultrasonic range finder sensor 3 to the distance between float 12 L, it is known that measurement pipe 2
The radius of inwall be R, height H=2R-L-d, d of the water in measurement pipe 2 are the thickness of float, what water occupied in measurement pipe 2
Area;
(b), by one of sonac 9 to go out with angular emission of the horizontal sextant angle as α along current opposite direction
Frequency isUltrasonic wave, launching frequency in a sonac 9 isUltrasonic wave after, the elapsed timeReceiving frequency by another sonac 9 afterwards isUltrasonic wave, wherein s is two sonacs 9
The distance between, C is the velocity of sound in water, and its receives frequency is, frequency change, then water is in measurement pipe 2
Flow velocity be, C is the velocity of sound in water, and sonac 9 is mounted in away from the bottom 0.1R of measurement pipe 2 to 0.5R's
On the outer tube wall of measurement pipe 2;
(c), by step(a)Area be multiplied by step(b)Flow velocity, as flow of the water in measurement pipe 2.
Above-mentioned sonac 9 is by its tranmitting frequency, launch angle α and receives frequencyPass to processor 10;Temperature
The temperature signal detected is passed to processor 10 by degree sensor 7, and processor 10 obtains ultrasonic wave in water according to the signal
Speed, the underwater speed C of ultrasonic wave is related to water temperature, water temperature be 20 DEG C when, C=1492m/s, in water temperature difference, C
Numerical value be known;The distance between ultrasonic range finder sensor 3 to float L is passed to processing by ultrasonic range finder sensor 3
Device 10.
The ultrasonic wave that the energy that the present invention can also launch fixed frequency according to a sonac 9 into water body is E, should
Ultrasonic wave is reflected after the grains of sand are run into measurement pipe 2, and another sonac 9 receives the reflection letter of above-mentioned ultrasonic wave
Number, that is, receive the ultrasonic reflections signal that energy is E1.Due to the difference of the concentration of particle in water body, the degree of signal attenuation
Difference, therefore the signal intensity received is different.Signal intensity is calculated by fft algorithm.Different intensity corresponds to different dense
Degree, it is therefore desirable to carry out the demarcation of concentration and signal intensity, by way of demarcation, signal intensity is converted in water body containing sand
Concentration, the measurement of sediment concentration in water body is realized, the energy received is bigger, and concentration is smaller, and the energy received is smaller, concentration
It is bigger.
Be demarcated as before dispatching from the factory to measurement pipe 2 carry out work, emitted energy E be steady state value under conditions of, configure from
Low concentration is to the N kind concentration liquids of high concentration single-size, i.e. C1, C2 ... CN are respectively charged into measurement pipe 2, in every kind of concentration
Under, the ENERGY E 1 received by another sonac 9 is measured, and as data storage in a processor 10, in reality
In use, operator launches the ultrasonic wave that energy is E with a sonac 9, another sonac 9 receives on border
The reflected energy E1 of ultrasonic wave is stated, as long as operator finds the concentration corresponding to E1 in a processor 10, it is possible to measure water outlet
Middle particle concentration C, although the error of the above method is larger, error can be reduced as far as possible according to differential technique, i.e., according to two
Ratio between the E1 of individual demarcation, water middle particle concentration C is more accurately calculated, such as:Before dispatching from the factory demarcate E1 be 50,60,
70 ..., the granule density in water corresponding to them is 6%, 5%, 3% ..., and when actually measuring, the E1 measured is 54, that
The concentration that particle in water can be obtained according to the above method is 5.4%, although certain error be present in the above method, with
Existing measuring method is compared, and accuracy is greatly improved.
Above description is explanation of the invention, is not the restriction to invention, limited range of the present invention is referring to right
It is required that in the case of the spirit without prejudice to the present invention, the present invention can make any type of modification.
Claims (10)
1. the measurement apparatus of a kind of pipe with small pipe diameter non-full pipe flow and concentration, it includes:Measurement pipe(2), ultrasonic range finder sensor
(3), linker(5), connecting tube(8), sonac(9), float(12), Anti-overflow guard(11), flange(1)And processor
(10), in measurement pipe(2)Both ends be respectively provided with flange(1), it is characterised in that:Close to measurement pipe(2)The radial direction of bottom is right
Opening position is claimed to be respectively provided with sonac(9), linker(5)It is mounted in and measurement pipe(2)The contour opening position of diameter, connecting tube
(8)One end and measurement pipe(2)Bottom is connected, the other end and linker(5)Bottom be connected, in linker(5)Built with floating
Son(12), in linker(5)Upper end Anti-overflow guard is housed(11), ultrasonic range finder sensor(3)Mounted in linker(5)Just on
Side, it is directed at linker(5)Interior float(12), two sonacs(9)And ultrasonic range finder sensor(3)Pass through information respectively
Line and processor(10)It is connected.
2. the measurement apparatus of pipe with small pipe diameter non-full pipe flow as claimed in claim 1 and concentration, it is characterised in that:The linker
(5)Height be more than or equal to measurement pipe(2)Internal diameter, measurement pipe(2)The height and linker of interior water level(5)Interior height of water level
It is identical, linker(5)Diameter be far smaller than measurement pipe(2)Internal diameter.
3. the measurement apparatus of pipe with small pipe diameter non-full pipe flow as claimed in claim 2 and concentration, it is characterised in that:The pipe with small pipe diameter
The measurement apparatus of non-full pipe flow and concentration also includes:Temperature sensor(7), the temperature sensor(7)Mounted in measurement pipe(2)'s
Bottom, it passes through information wire and processor(10)It is connected.
4. the measurement apparatus of pipe with small pipe diameter non-full pipe flow as claimed in claim 3 and concentration, it is characterised in that:The pipe with small pipe diameter
The measurement apparatus of non-full pipe flow and concentration also includes:Fixed support(4), fixed support(4)It is fixed on measurement pipe(2)On,
Fixed support(4)It is upper that ultrasonic range finder sensor is housed(3)And linker(5).
5. the measurement apparatus of pipe with small pipe diameter non-full pipe flow as claimed in claim 4 and concentration, it is characterised in that:The pipe with small pipe diameter
The measurement apparatus of non-full pipe flow and concentration also includes:Base(6), measurement pipe(2)Mounted in base(6)On.
6. measure water-carrying capacity in pipe with small pipe diameter with the pipe with small pipe diameter non-full pipe flow described in claim 5 and the measurement apparatus of concentration
Measuring method, it is characterised in that:It comprises the following steps:
(a), use ultrasonic range finder sensor(3)To measure ultrasonic range finder sensor(3)To float(12)The distance between L, it is known that
Measurement pipe(2)The radius of inwall be R, water is in measurement pipe(2)Interior height H=2R-L-d, d is the thickness of float, and water is measuring
Pipe(2)The area S inside occupied=;
(b), by one of sonac(9)To go out with angular emission of the horizontal sextant angle as α along current opposite direction
Frequency beUltrasonic wave, another sonac(9)Receive the above-mentioned ultrasonic wave launched, its receives frequency,, then water is in measurement pipe(2)In flow velocity be, C be water in the velocity of sound;
(c)By step(a)Area be multiplied by step(b)Flow velocity, as water is in measurement pipe(2)Interior flow.
7. measuring method as claimed in claim 6, it is characterised in that:One sonac(9)Launching frequency isIt is super
After sound wave, by another sonac after the elapsed time(9)Receiving frequency is, wherein s is two ultrasounds
Sensor(9)The distance between, C is the velocity of sound in water, and the underwater speed C of ultrasonic wave is related to water temperature, is 20 DEG C in water temperature
When, C=1492m/s.
8. measuring method as claimed in claim 7, it is characterised in that:The sonac(9)Mounted in away from measurement pipe(2)Bottom
Portion 0.1R to 0.5R measurement pipe(2)On outer tube wall.
9. measuring method as claimed in claim 8, it is characterised in that:The sonac(9)By its tranmitting frequencyAnd receives frequencyPass to processor(10);The temperature signal transmission that temperature sensor (7) will detect
To processor(10), processor(10)Speed C of the ultrasonic wave in water is obtained according to the signal;Ultrasonic range finder sensor(3)Will
Ultrasonic range finder sensor(3)Processor is passed to the distance between float L(10).
10. measure water concentration in pipe with small pipe diameter with the pipe with small pipe diameter non-full pipe flow described in claim 5 and the measurement apparatus of concentration
Measuring method, it is characterised in that:It comprises the following steps:
(i), in measurement pipe(2)It is demarcated before dispatching from the factory, in a ultrasonic sensor(9)Emitted energy E is steady state value
Under conditions of, configure the N kind concentration liquids from low concentration to high concentration single-size, i.e. C1, C2……CN, above-mentioned N kinds is dense
Degree liquid is respectively charged into measurement pipe(2)In, under every kind of concentration, the ENERGY E 1 received by another sonac 9 is measured,
And as data storage in processor(10)In;
(ii)In actual use, operator is with a sonac(9)Launch the ultrasonic wave that energy is E, another ultrasound
Sensor(9)The reflected energy E1 of above-mentioned ultrasonic wave is received, as long as operator is in processor(10)In find corresponding to E1
Concentration, it is possible to determine water outlet middle particle concentration C, or according to the ratio between two E1 demarcated, more accurately calculate water
Middle particle concentration C.
Priority Applications (1)
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CN201710917728.4A CN107478277A (en) | 2017-09-30 | 2017-09-30 | The measurement apparatus and its measuring method of pipe with small pipe diameter non-full pipe flow and concentration |
Applications Claiming Priority (1)
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CN201710917728.4A CN107478277A (en) | 2017-09-30 | 2017-09-30 | The measurement apparatus and its measuring method of pipe with small pipe diameter non-full pipe flow and concentration |
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ID=60605681
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Cited By (2)
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CN112729421A (en) * | 2020-12-29 | 2021-04-30 | 安徽省锐凌计量器制造有限公司 | Multi-pipe-diameter non-full pipe flowmeter and installation and use method thereof |
CN115144042A (en) * | 2022-09-05 | 2022-10-04 | 中国水利水电科学研究院 | Method for measuring flow of non-full pipeline |
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CN207335771U (en) * | 2017-09-30 | 2018-05-08 | 北京尚水信息技术股份有限公司 | The measuring device of pipe with small pipe diameter non-full pipe flow and concentration |
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CN1934423A (en) * | 2003-11-24 | 2007-03-21 | 泰拉丁艾斯科公司 | Fluid motion and composition analysis device and method |
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Application publication date: 20171215 |