CN203658393U - Ultrasonic wave current meter based on Doppler effect - Google Patents
Ultrasonic wave current meter based on Doppler effect Download PDFInfo
- Publication number
- CN203658393U CN203658393U CN201320727279.4U CN201320727279U CN203658393U CN 203658393 U CN203658393 U CN 203658393U CN 201320727279 U CN201320727279 U CN 201320727279U CN 203658393 U CN203658393 U CN 203658393U
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- microcontroller
- ultrasonic wave
- doppler effect
- flow rate
- driving circuit
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Abstract
The utility model 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 flow rate information, records and stores the flow 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 utility model belongs to test and measuring technology of instrument and meter field, is 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, often need rotatable parts to stretch in flow field, not only can destroy flow field, flow velocity is measured in impact, surveying instrument is limited 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 purpose of this utility model is that to overcome in prior art measuring equipment volume huge, and 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 utility model 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 IO mouth of microcontroller is connected to transmitting driving circuit, the output of transmitting driving circuit is connected to ultrasound wave emitting head, the output of ultrasound wave Receiver is connected with receiving conditioning circuit input, and receiving conditioning circuit output is connected to microcontroller.
Memory module described above, RTC module are connected with microcontroller, and microcontroller gathers flow rate information, and complete the real time record storage of flow rate information.
Above-mentioned display module, be connected to microcontroller, show in real time current measured object flow velocity, battery is connected to microcontroller and provides power supply for system operation.
The beneficial effects of the utility model: this kind of ultrasonic current metre based on Doppler effect that the utility model provides, comprising: ultrasound wave emitting head, transmitting driving circuit, battery, memory module, microcontroller, display module, RTC module, receiving conditioning circuit, ultrasound wave Receiver.Wherein the IO mouth of microcontroller is connected to transmitting driving circuit, and the output of transmitting driving circuit is connected to ultrasound wave emitting head.The output of ultrasound wave Receiver is connected with receiving conditioning circuit input, receiving conditioning circuit output is connected to microcontroller, and therefore, this kind of ultrasonic current metre based on Doppler effect has solved the fluid-velocity survey problem of not destroying flow field, no-rotary part, there is measuring accuracy high, broad quantum, can survey weak current, also can survey high current, not limited by start velocity, no-rotary part, does not fear silt obstruction and pasture and water and is wound around, reliability and durability advantage.
Below with reference to accompanying drawing, the utility model is described in further details.
Brief description of the drawings
Fig. 1 is the schematic diagram of a kind of ultrasonic current metre based on Doppler effect of the utility model.
Fig. 2 is the schematic diagram of a kind of ultrasonic current metre receiving conditioning circuit based on Doppler effect of the utility model.
Description of reference numerals: 1, ultrasound wave emitting head; 2, transmitting driving circuit; 3, battery; 4, memory module; 5, microcontroller; 6, display module; 7, RTC module; 8, receiving conditioning circuit; 9, ultrasound wave Receiver.
Embodiment
Embodiment 1:
The present embodiment provides 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 IO mouth of microcontroller 5 is connected to transmitting driving circuit 2, and 2 outputs of transmitting driving circuit are connected to ultrasound wave emitting head 1.Ultrasound wave Receiver 9 is exported with receiving conditioning circuit 8 inputs and is connected, and receiving conditioning circuit 8 outputs are connected to microcontroller 5.
As shown in Figure 2, the signal that ultrasound wave Receiver 9 receives passes through narrow-band filter, filtering interference signals, then access in amplifier circuit signal is amplified, output connects comparer, is 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 complete the real time record storage of flow rate information.
Memory module 4 is selected 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, show in real time current measured object flow velocity, battery 3 is connected to microcontroller 5 and provides power supply for system operation.
More than exemplifying is only to illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, within the every and same or analogous design of the utility model all belongs to protection domain of the present utility model.
Claims (3)
1. the ultrasonic current metre based on Doppler effect, is characterized in that: comprise 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 IO mouth of microcontroller (5) is connected to transmitting driving circuit (2), transmitting driving circuit (2) output is connected to ultrasound wave emitting head (1), ultrasound wave Receiver (9) output is connected with receiving conditioning circuit (8) input, and receiving conditioning circuit (8) output 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 completes the real time record storage of flow rate information.
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), show in real time current measured object flow velocity, battery (3) is connected to microcontroller (5) and moves power supply is provided for system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727279.4U CN203658393U (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 |
|---|---|---|---|
| CN201320727279.4U CN203658393U (en) | 2013-11-18 | 2013-11-18 | Ultrasonic wave current meter based on Doppler effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203658393U true CN203658393U (en) | 2014-06-18 |
Family
ID=50924770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320727279.4U Expired - Fee Related CN203658393U (en) | 2013-11-18 | 2013-11-18 | Ultrasonic wave current meter based on Doppler effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203658393U (en) |
-
2013
- 2013-11-18 CN CN201320727279.4U patent/CN203658393U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20141118 |
|
| EXPY | Termination of patent right or utility model |