CN206930321U - Non-full pipe ultrasonic flowmeter - Google Patents
Non-full pipe ultrasonic flowmeter Download PDFInfo
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- CN206930321U CN206930321U CN201720705135.7U CN201720705135U CN206930321U CN 206930321 U CN206930321 U CN 206930321U CN 201720705135 U CN201720705135 U CN 201720705135U CN 206930321 U CN206930321 U CN 206930321U
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- 238000005259 measurement Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 4
- 238000002604 ultrasonography Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
本实用新型涉及一种非满管超声波流量计，包括测量导管，两个超声波流速传感器，一个超声波液位变送器和流量计算单元。所述两个超声波流速传感器分别倾斜设置于所述测量导管相对立的两侧，用于测量非满管液体的流速；所述超声波液位变送器垂直设置于测量导管上,且与所述两个超声波流速传感器中的一个位于同一侧，用于测量非满管液体的液位高度；所述流量计算单元分别与所述超声波液位变送器、两个超声波流速传感器连接，流量计算单元根据超声波液位变送器和两个超声波流速传感器测量所得数据，计算非满管液体的流量。本实用新型非满管超声波流量计能用于非满管流量的测量，并且结构简洁，安装方便，成本较低，测量速度快、精度高。
The utility model relates to a part-full pipe ultrasonic flow meter, which comprises a measuring conduit, two ultrasonic flow velocity sensors, an ultrasonic liquid level transmitter and a flow calculation unit. The two ultrasonic flow velocity sensors are respectively obliquely arranged on opposite sides of the measuring conduit for measuring the flow velocity of the partially filled liquid; the ultrasonic liquid level transmitter is vertically arranged on the measuring conduit, and is connected to the One of the two ultrasonic flow rate sensors is located on the same side, and is used to measure the liquid level height of the partially filled pipe liquid; the flow calculation unit is connected with the ultrasonic liquid level transmitter and two ultrasonic flow rate sensors respectively, and the flow calculation unit According to the data measured by the ultrasonic liquid level transmitter and two ultrasonic flow rate sensors, the flow rate of the partially filled liquid is calculated. The partial pipe ultrasonic flowmeter of the utility model can be used for the measurement of the partial pipe flow, and has simple structure, convenient installation, low cost, fast measurement speed and high precision.
Description
Technical field
A kind of pipeline flow measuring instrument is the utility model is related to, more particularly to a kind of non-full pipe ultrasonic gage.
Background technology
Developing Water-saving Agriculture needs rational allocation irrigating water quality, implements scientific consumption of water, correct to perform water plan and meter
Receive water rate.Current to strengthen the development trend that water resource economic management is China's modernization water-saving agriculture, just there is an urgent need to structure for this
Simply, the high flow measurement device of measurement accuracy.
Traditional ultrasonic flowmeter is loaded with the original of fluid flow information when being propagated using ultrasonic wave in the liquid of flowing
Reason, the flow rate information of fluid being measured is can be obtained by by the ultrasonic signal detected through fluid, finally further according to corresponding original
Reason is converted into flow.Ultrasonic flowmeter is small without any motion, choked flow part, no abrasion, the pressure loss in tested pipeline；Spirit
Sensitivity is high, can detect the minor variations of flow velocity；With extremely wide range ratio, and structure of ultrasonic flowmeter is simple, is easy to tie up
Shield, is especially suitable for civilian and commercial measurement.But the quasi-instrument is mainly used in full packages flow measurement.Measured to solve partly-filled pipe-flow
The demand of amount, it is basic at present to use multichannel ultrasonic measurement, but this is but to system cost and multichannel ultrasonic flow meter
Installation propose higher requirement.
Utility model content
The utility model not only overcomes the technical barrier of non full package flow measurement, and also overcomes multichannel ultrasonic wave
Measurement apparatus cost is high, the deficiency of installation difficulty, there is provided a kind of non-full pipe ultrasonic flowmeter based on ultrasonic wave time difference method.
In order to solve the above-mentioned technical problem, the utility model uses following technical proposals：A kind of non-full pipe ultrasonic flow
Meter, including measurement conduit, two ultrasonic flow velocity sensors, supersonic level sensor and flow rate calculation unit, it is described two
Ultrasonic flow velocity sensors are obliquely installed in the opposed both sides of the measurement conduit respectively, for measuring in the measurement conduit
The flow velocity of liquid；The supersonic level sensor is vertically installed on measurement conduit, and is passed with described two ultrasonic flow-velocities
One in sensor is located at the same side, for measuring the liquid level of the measurement liquid in conduit；The flow rate calculation unit difference
It is connected with the supersonic level sensor, two ultrasonic flow velocity sensors, flow rate calculation unit becomes according to supersonic liquid level
Device and two ultrasonic flow velocity sensors measurement the data obtaineds are sent, calculates the fluid flow in the measurement conduit.
It is equal to 1 in view of cot45 °, advantageously reduces the number of coefficient in flow rate calculation formula, improves calculating speed, be
This, the utility model provides following technical scheme：The ultrasonic flow velocity sensors and the angle measured between conduit are
45°。
The ultrasonic wave phase launched in order to avoid the ultrasonic wave of supersonic level sensor transmitting with ultrasonic flow velocity sensors
Mutually interference, therefore, the utility model provides following technical scheme：Supersonic flow of the supersonic level sensor away from homonymy
The distance of fast sensor is more than between two ultrasonic flow velocity sensors at twice of distance of water (flow) direction.
The non-full pipe ultrasonic flowmeter also includes housing, and the flow rate calculation unit is arranged in housing, on housing
Provided with display screen and button.
In order to facilitate the calculating of fluid cross-section product in measurement conduit, therefore, the utility model provides following technical scheme：
The measurement conduit is the conduit of square-section.
Compared with existing full packages ultrasonic flowmeter, the utility model can be applied to the partly-filled pipe-flow of cross sectional shape rule
The measurement of amount；Compared with existing non-full pipe multichannel ultrasonic flow meter, the utility model structure it is more succinct, it is necessary to ultrasound
Ripple flow sensor is less, easy for installation, and cost is lower, and measuring speed is fast.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model axial cross section
Fig. 2 is that non-full pipe flow of the present utility model calculates auxiliary schematic diagram
Description of symbols in figure：
Measure conduit 1；Flow rate calculation unit 2；Ultrasonic flow velocity sensors 3；Supersonic level sensor 4.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by.It should be appreciated that specific embodiment described herein is used only for explaining the utility model, it is not used to
Limit the utility model.Based on embodiment of the present utility model, those skilled in the art are on the premise of no creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
Fig. 1 and Fig. 2 are referred to, is only the structure for schematically illustrating each part in figure, but do not indicate that as specific product
Structure.As depicted in figs. 1 and 2, a kind of non-full pipe ultrasonic flowmeter, including a measurement conduit are provided in the present embodiment
1st, two ultrasonic flow velocity sensors, 3, supersonic level sensors 4 and a flow rate calculation unit 2, can be real as one kind
The citing of mode is applied, measurement conduit 1 is the conduit of square-section, and the conduit of square-section conveniently calculates the section of non-full pipe flow
Product.Flow measurement cell can use the microprocessor for being integrated with addition subtraction multiplication and division computing function to realize, can also use electrical equipment member
The addition subtraction multiplication and division computing circuit module of part composition is realized.
Two ultrasonic flow velocity sensors 3 are obliquely arranged at the opposed both sides of measurement conduit 1 respectively, are led with measurement
Angle between pipe 1 is 45 °, and two ultrasonic flow velocity sensors 3 mutually carry out the transmitting and reception of ultrasonic wave, for measuring
State the flow velocity of measurement liquid in conduit.Supersonic level sensor 4 be vertically installed in measurement conduit on, and with described two ultrasounds
One in ripple flow sensor is located at the same side, for the liquid level for measuring the measurement liquid in conduit.In order to avoid
Ultrasonic wave interference occurs between supersonic level sensor 4 and ultrasonic flow velocity sensors 3, supersonic level sensor 4 is away from same
The distance X2 of the ultrasonic flow velocity sensors 3 of side is more than distance X1 of two times of two ultrasonic flow velocity sensors in water (flow) direction.
The flow rate calculation unit is connected with the supersonic level sensor, two ultrasonic flow velocity sensors respectively.
Flow rate calculation unit calculates the survey according to supersonic level sensor and two ultrasonic flow velocity sensors measurement the data obtaineds
Measure the fluid flow in conduit.The non-full pipe ultrasonic flowmeter also includes housing, and the flow rate calculation unit is set
In in housing, housing is provided with display screen and button.
During use：
1) when non-full pipe flow is by measuring conduit 1, supersonic level sensor 4 launches ultrasonic wave to the water surface, passes through
The water-reflected time of ultrasonic wave calculates the distance h away from the water surface at the top of measurement conduit, it is possible thereby to cutting according to measurement conduit 1
Face shape learns the sectional area s of non-full pipe flow.
2) ultrasonic flow velocity sensors 3 for measuring the top of conduit 1 launch ultrasonic wave, after ultrasonic signal is by fluid media (medium)
The ultrasonic flow velocity sensors 3 for being measured the bottom of conduit 1 are received, and the ultrasonic flow velocity sensors 3 of top and bottom respectively will
Flow rate calculation unit 2 is passed at the time of transmitting and reception ultrasonic wave, when flow rate calculation unit is propagated by the way that adverse current is calculated
Between t1.
3) ultrasonic flow velocity sensors 3 for measuring the bottom of conduit 1 launch ultrasonic wave, after ultrasonic signal is by fluid media (medium)
The ultrasonic flow velocity sensors 3 for being measured the top of conduit 1 are received, and the ultrasonic flow velocity sensors 3 at bottom and top respectively will
Flow rate calculation unit 2 is passed at the time of transmitting and reception ultrasonic wave, when flow rate calculation unit is by being calculated downstream propagation
Between t2.
4) time difference Δ t is calculated according to t1 and t2 in flow rate calculation unit 2.
5) rate of flow of fluid is set as v；The velocity of sound in known stationary fluid is c, and measurement catheter section is highly H, measures conduit
Distance h of the top away from the water surface, ultrasound track and conduit axis are 45 °, non-full pipe flow sectional area s when fluid is static, then adverse current
Propagation time t1With downstream propagation times t2Respectively：
τ is ultrasonic wave in inner air tube, in tube wall and electric impulse signal transmits caused hysteresis in circuit in formula
The summation of time.
Time difference is that Δ t is equal to：
Because Δ t is calculated by flow rate calculation unit, then flow velocity v is equal to：
Therefore flow q is equal to：
It is described above, preferred embodiment only of the present utility model, but the scope of protection of the utility model not office
It is limited to this, any technical staff for being familiar with the technical program enters in the technical scope that the utility model discloses to above example
The simple modification of row, equal conversion, are encompassed by the scope of protection of the utility model.
Claims (5)
- A kind of 1. non-full pipe ultrasonic flowmeter, it is characterised in that：Including measurement conduit, two ultrasonic flow velocity sensors, surpass Sound wave liquid level transmitter and flow rate calculation unit, described two ultrasonic flow velocity sensors are obliquely installed respectively leads in the measurement Opposed both sides are managed, for measuring the flow velocity of the measurement liquid in conduit；The supersonic level sensor is vertically arranged In on measurement conduit, and it is located at the same side with one in described two ultrasonic flow velocity sensors, for measuring the measurement The liquid level of liquid in conduit；The flow rate calculation unit passes with the supersonic level sensor, two ultrasonic flow-velocities respectively Sensor connects, and flow rate calculation unit measures the data obtaineds according to supersonic level sensor and two ultrasonic flow velocity sensors, Calculate the fluid flow in the measurement conduit.
- 2. non-full pipe ultrasonic flowmeter according to claim 1, it is characterised in that：The ultrasonic flow velocity sensors with The angle measured between conduit is 45 °.
- 3. non-full pipe ultrasonic flowmeter according to claim 1, it is characterised in that：The supersonic level sensor away from The distance of the ultrasonic flow velocity sensors of homonymy be more than between two ultrasonic flow velocity sensors water (flow) direction distance two Times.
- 4. non-full pipe ultrasonic flowmeter according to claim 1, it is characterised in that：The non-full pipe ultrasonic flowmeter Also include housing, the flow rate calculation unit is arranged in housing, and housing is provided with display screen and button.
- 5. non-full pipe ultrasonic flowmeter according to claim 1, it is characterised in that：The measurement conduit is square-section Conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705135.7U CN206930321U (en) | 2017-06-16 | 2017-06-16 | Non-full pipe ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705135.7U CN206930321U (en) | 2017-06-16 | 2017-06-16 | Non-full pipe ultrasonic flowmeter |
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| Publication Number | Publication Date |
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| CN206930321U true CN206930321U (en) | 2018-01-26 |
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| CN201720705135.7U Expired - Fee Related CN206930321U (en) | 2017-06-16 | 2017-06-16 | Non-full pipe ultrasonic flowmeter |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318092A (en) * | 2018-01-31 | 2018-07-24 | 泰华智慧产业集团股份有限公司 | It can be used for the flow measurement device of non-full pipe drainage pipeline |
| CN109141554A (en) * | 2018-05-25 | 2019-01-04 | 南京维朴水务工程有限公司 | A kind of area velocity flowmeter for surveying partly-filled pipe-flow using supersonic Doppler method |
| CN109297551A (en) * | 2018-11-26 | 2019-02-01 | 浙江清环智慧科技有限公司 | A kind of measurement method and system of pipe network flow |
| CN110285861A (en) * | 2019-06-23 | 2019-09-27 | 上海玮轩电子科技有限公司 | A kind of ultrasonic flowmeter |
| CN110439488A (en) * | 2019-08-30 | 2019-11-12 | 中国石油集团川庆钻探工程有限公司 | System and method for measuring flow of solid-liquid fluid in drilling manifold |
| CN110512690A (en) * | 2019-09-05 | 2019-11-29 | 哈尔滨工业大学 | Splitter for independent metering partition of water supply network |
| CN113074787A (en) * | 2021-03-23 | 2021-07-06 | 中国石油天然气集团有限公司 | Method for determining outlet flow of non-full pipe diversion trench |
| CN113323612A (en) * | 2021-08-03 | 2021-08-31 | 中国石油集团川庆钻探工程有限公司 | Anti-overflow pipe fluid detection device, comprehensive processing system and identification method |
| CN115144042A (en) * | 2022-09-05 | 2022-10-04 | 中国水利水电科学研究院 | How to measure the flow of a partially full pipeline |
-
2017
- 2017-06-16 CN CN201720705135.7U patent/CN206930321U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318092A (en) * | 2018-01-31 | 2018-07-24 | 泰华智慧产业集团股份有限公司 | It can be used for the flow measurement device of non-full pipe drainage pipeline |
| CN109141554A (en) * | 2018-05-25 | 2019-01-04 | 南京维朴水务工程有限公司 | A kind of area velocity flowmeter for surveying partly-filled pipe-flow using supersonic Doppler method |
| CN109297551A (en) * | 2018-11-26 | 2019-02-01 | 浙江清环智慧科技有限公司 | A kind of measurement method and system of pipe network flow |
| CN110285861A (en) * | 2019-06-23 | 2019-09-27 | 上海玮轩电子科技有限公司 | A kind of ultrasonic flowmeter |
| CN110439488B (en) * | 2019-08-30 | 2021-12-03 | 中国石油集团川庆钻探工程有限公司 | System and method for measuring flow of solid-liquid fluid in drilling manifold |
| CN110439488A (en) * | 2019-08-30 | 2019-11-12 | 中国石油集团川庆钻探工程有限公司 | System and method for measuring flow of solid-liquid fluid in drilling manifold |
| CN110512690A (en) * | 2019-09-05 | 2019-11-29 | 哈尔滨工业大学 | Splitter for independent metering partition of water supply network |
| CN110512690B (en) * | 2019-09-05 | 2021-11-02 | 哈尔滨工业大学 | Diverter for independent metering partition of water supply network |
| CN113074787A (en) * | 2021-03-23 | 2021-07-06 | 中国石油天然气集团有限公司 | Method for determining outlet flow of non-full pipe diversion trench |
| CN113074787B (en) * | 2021-03-23 | 2022-05-31 | 中国石油天然气集团有限公司 | Method for determining outlet flow of non-full pipe diversion trench |
| CN113323612A (en) * | 2021-08-03 | 2021-08-31 | 中国石油集团川庆钻探工程有限公司 | Anti-overflow pipe fluid detection device, comprehensive processing system and identification method |
| CN115144042A (en) * | 2022-09-05 | 2022-10-04 | 中国水利水电科学研究院 | How to measure the flow of a partially full pipeline |
| CN115144042B (en) * | 2022-09-05 | 2022-11-25 | 中国水利水电科学研究院 | Method for measuring flow of non-full pipeline |
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