CN104655871A - Ultrasonic wave current meter based on Doppler effect - Google Patents
Ultrasonic wave current meter based on Doppler effect Download PDFInfo
- Publication number
- CN104655871A CN104655871A CN201310577004.1A CN201310577004A CN104655871A CN 104655871 A CN104655871 A CN 104655871A CN 201310577004 A CN201310577004 A CN 201310577004A CN 104655871 A CN104655871 A CN 104655871A
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- microcontroller
- ultrasonic wave
- doppler effect
- driving circuit
- module
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to an ultrasonic wave current meter based on the Doppler effect, and belongs to the technical field of testing and measuring instruments and meters. The ultrasonic wave current meter is particularly composed of an ultrasonic wave transmitter, a transmission driving circuit, a battery, a storage module, a microcontroller, a display module, an RTC module, a receiving and conditioning circuit and an ultrasonic wave receiver, wherein an IO port of the microcontroller is connected to the transmission driving circuit, and output of the transmission driving circuit is connected to the ultrasonic wave transmitter. Output of the ultrasonic wave receiver is connected with input of the receiving and conditioning circuit, output of the receiving and conditioning circuit is connected to the microcontroller, the storage module and the RTC module are connected with the microcontroller, and the microcontroller acquires current rate information, records and stores the current rate information in real time. The ultrasonic wave current meter solves a problem of flow rate measurement in a mode of not damaging the flow field and free of a rotating component by using principles of the ultrasonic wave Doppler effect, and has the characteristics of high measurement precision, wide measuring range, abilities of not only measuring weak current, but also measuring high current, not being restricted by the starting flow rate, being free of the rotating component, not fearing sediment blocking and water plant winding, and ability of being reliable and durable.
Description
Technical field
The invention belongs to test and measuring technology of instrument and meter field, be specifically related to a kind of ultrasonic current metre based on Doppler effect.
Background technology
Fluid-velocity survey all has a wide range of applications in fields such as current industrial production activities and hydrologic monitoring, meteorological watch, environmental improvement and meterings, traditional fluid-velocity survey instrument, rotatable parts are often needed to stretch in flow field, not only flow field can be destroyed, flow velocity is measured in impact, surveying instrument is limited for serviceable life, this metering system also needs higher start velocity simultaneously, and in the application such as river, effluent flow rate measurement, rotatable parts are easily wound around foreign material pasture and water etc., cause equipment to work.Existing ultrasonic flow-velocity measuring equipment on the market, generally bulky, power consumption is high, and does not possess the function of real time record measured object flow velocity, cannot accomplish unattended intelligent survey record.
Summary of the invention
The object of the invention is to overcome measuring equipment volume in prior art huge, power consumption height does not possess the function of real time record measured object flow velocity, cannot accomplish unattended intelligent survey record problem.For this reason, the invention provides a kind of ultrasonic current metre based on Doppler effect, comprise: ultrasound wave emitting head, transmitting driving circuit, battery, memory module, microcontroller, display module, RTC module, receiving conditioning circuit, ultrasound wave Receiver, wherein the I/O port of microcontroller is connected to transmitting driving circuit, launch driving circuit output and be connected to ultrasound wave emitting head, ultrasound wave Receiver exports and is connected with receiving conditioning circuit input, is exported by receiving conditioning circuit and is connected to microcontroller.
Memory module described above, RTC module are connected with microcontroller, and microcontroller gathers flow rate information, and the real time record completing flow rate information stores.
Above-mentioned display module, be connected to microcontroller, in real time the current measured object flow velocity of display, battery is connected to microcontroller for system cloud gray model provides power supply.
Beneficial effect of the present invention: this kind of ultrasonic current metre based on Doppler effect provided by the invention, comprising: ultrasound wave emitting head, transmitting driving circuit, battery, memory module, microcontroller, display module, RTC module, receiving conditioning circuit, ultrasound wave Receiver.Wherein the I/O port of microcontroller is connected to transmitting driving circuit, launches driving circuit output and is connected to ultrasound wave emitting head.Ultrasound wave Receiver exports and is connected with receiving conditioning circuit input, exported by receiving conditioning circuit and be connected to microcontroller, therefore, this kind of ultrasonic current metre based on Doppler effect solves the fluid-velocity survey problem not destroying flow field, no-rotary part, there is measuring accuracy high, broad quantum, can survey weak current, also can survey high current, do not limit by start velocity, no-rotary part, does not fear silt blocking and pasture and water are wound around, reliability and durability advantage.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of ultrasonic current metre based on Doppler effect of the present invention.
Fig. 2 is the schematic diagram of a kind of ultrasonic current metre receiving conditioning circuit based on Doppler effect of the present invention.
Description of reference numerals: 1, ultrasound wave emitting head; 2, driving circuit is launched; 3, battery; 4, memory module; 5, microcontroller; 6, display module; 7, RTC module; 8, receiving conditioning circuit; 9, ultrasound wave Receiver.
Embodiment
Embodiment 1:
Present embodiments provide a kind of ultrasonic current metre based on Doppler effect shown in a kind of Fig. 1, comprising: ultrasound wave emitting head 1, transmitting driving circuit 2, battery 3, memory module 4, microcontroller 5, display module 6, RTC module 7, receiving conditioning circuit 8, ultrasound wave Receiver 9.Wherein the I/O port of microcontroller 5 is connected to and launches driving circuit 2, launches driving circuit 2 output and is connected to ultrasound wave emitting head 1.Ultrasound wave Receiver 9 exports to input with receiving conditioning circuit 8 and is connected, and is exported by receiving conditioning circuit 8 and is connected to microcontroller 5.
Microcontroller 5 adopts high speed processor DSP, and producing frequency by processor is the square wave of 40KHz, improves signal driving force, and drive ultrasound wave emitting head 1 that ultrasound wave occurs by transmitting driving circuit 2.Ultrasound wave Receiver 9 produces corresponding signal after receiving reflection wave, and receiving conditioning circuit carries out signal condition, and after DSP collection signal, application Doppler effect calculates measured object flow velocity.
As shown in Figure 2, the signal that ultrasound wave Receiver 9 receives by narrow-band filter, filtering interference signals, then access in amplifier circuit by signal amplify, export connect comparer, be shaped to square wave input in DSP.
Embodiment 2:
Memory module 4, RTC module 7 are connected with microcontroller 5 as shown in Figure 1, and microcontroller 4 gathers flow rate information, and the real time record completing flow rate information stores.
Memory module 4 selects serial FLASH product, and the large interface of capacity is simple, and storage speed is fast, and RTC module is equipped with extra supplying cell.
Embodiment 3:
As shown in Figure 1 display module 6, be connected to microcontroller 5, the in real time current measured object flow velocity of display, battery 3 is connected to microcontroller 5 for system cloud gray model provides power supply.
Display module 6 adopts TFT color screen, and the large color of display space is good, and man-machine interaction is friendly.System power supply adopts lithium battery power supply, and LDO voltage stabilizer, can use by recharge.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (3)
1. based on a ultrasonic current metre for Doppler effect, it is characterized in that: comprise ultrasound wave emitting head (1), launch driving circuit (2), battery (3), memory module (4), microcontroller (5), display module (6), RTC module (7), receiving conditioning circuit (8), ultrasound wave Receiver (9); Wherein the I/O port of microcontroller (5) is connected to and launches driving circuit (2), launch driving circuit (2) output and be connected to ultrasound wave emitting head (1), ultrasound wave Receiver (9) output inputs with receiving conditioning circuit (8) and is connected, and is exported by receiving conditioning circuit (8) and is connected to microcontroller (5).
2. a kind of ultrasonic current metre based on Doppler effect as claimed in claim 1, it is characterized in that: described memory module (4), RTC module (7) are connected with microcontroller (5), microcontroller (4) gathers flow rate information, and the real time record completing flow rate information stores.
3. a kind of ultrasonic current metre based on Doppler effect as claimed in claim 1, it is characterized in that: described display module (6), be connected to microcontroller (5), the current measured object flow velocity of real-time display, battery (3) is connected to microcontroller (5) for system cloud gray model provides power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310577004.1A CN104655871A (en) | 2013-11-18 | 2013-11-18 | Ultrasonic wave current meter based on Doppler effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310577004.1A CN104655871A (en) | 2013-11-18 | 2013-11-18 | Ultrasonic wave current meter based on Doppler effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104655871A true CN104655871A (en) | 2015-05-27 |
Family
ID=53247244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310577004.1A Withdrawn CN104655871A (en) | 2013-11-18 | 2013-11-18 | Ultrasonic wave current meter based on Doppler effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104655871A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865404A (en) * | 2015-06-17 | 2015-08-26 | 王三名 | Acoustic-Doppler flow velocity measuring instrument and flow velocity measuring method |
| CN105783885A (en) * | 2016-03-14 | 2016-07-20 | 中国海洋大学 | Acoustic Doppler current meter |
| CN110596419A (en) * | 2019-11-01 | 2019-12-20 | 南宁强国科技有限公司 | Doppler current meter for fish lead |
| CN112362901A (en) * | 2020-12-08 | 2021-02-12 | 吉林大学 | Device for measuring flow velocity of water in ice river based on ultrasonic Doppler method |
-
2013
- 2013-11-18 CN CN201310577004.1A patent/CN104655871A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865404A (en) * | 2015-06-17 | 2015-08-26 | 王三名 | Acoustic-Doppler flow velocity measuring instrument and flow velocity measuring method |
| CN105783885A (en) * | 2016-03-14 | 2016-07-20 | 中国海洋大学 | Acoustic Doppler current meter |
| 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 |
| CN112362901A (en) * | 2020-12-08 | 2021-02-12 | 吉林大学 | Device for measuring flow velocity of water in ice river based on ultrasonic Doppler method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150527 |