CN208921660U - A kind of Ultrasonic Sediment bubble measuring device - Google Patents
A kind of Ultrasonic Sediment bubble measuring device Download PDFInfo
- Publication number
- CN208921660U CN208921660U CN201821596419.8U CN201821596419U CN208921660U CN 208921660 U CN208921660 U CN 208921660U CN 201821596419 U CN201821596419 U CN 201821596419U CN 208921660 U CN208921660 U CN 208921660U
- Authority
- CN
- China
- Prior art keywords
- signal
- pin
- ultrasonic
- capacitor
- resistance
- 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.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model belongs to fields of measurement, in particular to a kind of Ultrasonic Sediment bubble measuring device, comprising: ultrasonic transducer: convert between ultrasonic signal and electric signal；Transmission control module:, which will send signal, and receive signal is transmitted separately to ultrasonic transducer and signal processing module；Signal driver module: signal will be sent and be converted into pulse signal transmission to transmitting control module；Signal processing module: it will receive after signal amplifies processing and send A/D conversion module；A/D conversion module: processing unit will be transmitted to after signal voltage transitions；Processing unit: sending signal and reception digital signal for generating, carry out the calculating of silt air bubble content, and generates control signal control transmission control module；Ultrasonic transducer is even number, and in pairs carry out using；The utility model utilizes the relationship of ultrasonic wave the energy attenuation ratio in the communication process in medium water and sound channel aqueous medium cleannes, while measuring waters silt and bubble, and measurement accuracy is high, is conducive to implement.
Description
Technical field
The utility model belongs to fields of measurement, in particular to a kind of Ultrasonic Sediment bubble measuring device.
Background technique
The method of sediment content is " sifting weighing method " in traditional measurement water at present, i.e., several in runner to represent on vertical line
Water sample is taken in timing layering, and the silt content concentration of entire section is calculated after lab analysis.Martin's ashes are used in the lab
After changing filter paper filtering, is weighed with the assay balance of a ten thousandth, determine the content and concentration of silt.And it is specifically measuring
Using in runner, with the variation in season, the sediment content in water has different large changes, need to could be surveyed with complicated method
Measure the sediment content in water.And the measurement of air bubble content can use optical means, i.e., is continuously clapped with high-speed camera
According to, then utilize image procossing technology, obtain the content of gas.But which measurement difficulty is larger, processing is more complicated,
It can not carry out real-time measurement.
Utility model content
The purpose of this utility model is that: it is directed to existing issue, a kind of high precision, processing simplicity are provided and measure water simultaneously
The Ultrasonic Sediment bubble measuring device of domain silt and bubble.
The technical solution adopted in the utility model is as follows:
A kind of Ultrasonic Sediment bubble measuring device, comprising:
Ultrasonic transducer: the electric signal received is converted into ultrasonic signal and sends or will receive in waters to be measured
Ultrasonic signal be converted into electric signal；
Transmission control module: under control of the processing unit, the processed transmission signal of signal driver module is transmitted to
Ultrasonic transducer, and the signal that corresponding ultrasonic transducer transmits is transmitted to signal processing module；
Signal driver module: pulse signal transmission is converted to transmitting control module by the transmission signal of processing unit；
Signal processing module: A/D turns are sent after the reception signal that transmission control module sends over is amplified processing
Change the mold block；
A/D conversion module: being digital data transmission to processing unit by the signal voltage transitions received；
Processing unit: signal and reception digital signal are sent for generating, carries out the calculating of silt air bubble content, and generate control
Correct signal is transmitted to corresponding ultrasonic transducer by signal control transmission control module processed；
Ultrasonic transducer is even number, and in pairs carry out using；
Signal processing module includes: preamplifier: the electricity for the return pulse signal that transmission control module is sent
Pressure carries out being transmitted to filter amplifier after once amplifying；Filter amplifier: the amplified reception signal of preamplifier is carried out
It goes directly to filter, be transmitted to frequency overlapped-resistable filter after secondary amplification；Frequency overlapped-resistable filter: anti-aliasing processing, removal are carried out to signal
HF noise signal in signal, and transmit a signal to voltage follower；Voltage follower: the defeated of A/D conversion module is matched
Enter impedance, transmits signal.
When each pair of ultrasonic transducer works, processing unit sends electric signal to signal driver module, and sends control letter
Number make transmission control module that processed transmission signal is transferred to the ultrasonic transducer for sending signal, ultrasonic signal pass through to
It is received after surveying waters by the ultrasonic transducer of pairs of another reception signal, is obtained through signal processing module, A/D conversion module
Pulse voltage peak swing value be transferred to processing unit reception, through the processing unit processing send pulse voltage peak swing value and
It obtains pulse voltage peak swing value and calculates waters silt and air bubble content.Ultrasonic transducer can inversely be passed at this simultaneously
Defeated signal, i.e., primary that energy converter is sent to receive, original receives energy converter and sends, and obtains data.It is measured, is transported by multipair energy converter
The precise information of waters silt and air bubble content is obtained with interpolation method.
Further, preamplifier includes: amplification chip U1, and using INA118, pin 2 is used as input terminal, draws
Foot 6 is used as output end, resistance R1 is connected between pin 1 and pin 8, pin 3 connect power supply VSS with pin 5 and passes through electricity
Hold C1 ground connection, pin 7 connects power supply VCC and is grounded by capacitor C2, and pin 5 is grounded by resistance R2.It amplifies precision
Height, low in energy consumption lower, R1 is as adjusting resistance adjustment pregain.
Further, filter amplifier includes operational amplifier U2, and using OP7, positive input terminal pin 3 connects resistance
R4, the resistance R4 other end connect capacitor C3, and for the capacitor C3 other end as input terminal, the contact of resistance R4 and capacitor C3 pass through resistance
R6 ground connection；Its negative input end pin 2 is grounded by resistance R3；Resistance R5 is connected between its output pin 3 and pin 2；Its
Positive bias voltage end pin 7 connects power supply VCC and is grounded by capacitor C5；Its negative bias voltage end pin 4 connects power supply VSS simultaneously
It is grounded by capacitor C4, is same as the DC component of removal pulse signal and carries out secondary amplification, be convenient for subsequent data acquisition.
Further, frequency overlapped-resistable filter includes filtering chip U3, and using MAX291, pin 2 is used as input terminal, draws
Foot 5 is used as output end, and pin Pin 3 is connect with pin 4；Its pin 7 is connect with pin 6；Its pin 7 connects power supply VCC,
Pin 6 is grounded by capacitor C7.Frequency overlapped-resistable filter mainly prevents influence of other high-frequency noises to accuracy of data acquisition.
Further, voltage follower includes amplifier chip U4, and using OP07, positive input terminal pin 3 connects resistance
R7, the resistance R7 other end is as input terminal；Its pin 6 connects pin 2 and is used as output end, and positive bias voltage end pin 7 connects
It meets power supply VCC and is grounded by capacitor C9；Its negative bias voltage end pin 4 connection power supply VSS is simultaneously grounded by capacitor C8.Voltage
Follower reduces output impedance and matches A/D converter.
Further, pass through cable connection between the ultrasonic transducer and transmission control module.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
The present apparatus utilizes energy attenuation ratio of the ultrasonic wave in the communication process in medium water and the sound channel (biography of ultrasonic wave
Broadcast path) relationships of aqueous medium cleannes, i.e. sediment content in water is higher, the original that the energy attenuation of ultrasonic wave will be made bigger
Reason, while waters silt and bubble are measured, measurement accuracy is high, is conducive to implement.
Detailed description of the invention
Fig. 1 is the utility model principle figure；
Fig. 2 is the utility model signal processing module circuit diagram.
Specific embodiment
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step
Mode combines.
A kind of Ultrasonic Sediment bubble measuring device, comprising:
A kind of Ultrasonic Sediment bubble measuring device, comprising:
Ultrasonic transducer: the electric signal received is converted into ultrasonic signal and sends or will receive in waters to be measured
Ultrasonic signal be converted into electric signal；
Transmission control module: under control of the processing unit, the processed transmission signal of signal driver module is transmitted to
Ultrasonic transducer, and the signal that corresponding ultrasonic transducer transmits is transmitted to signal processing module；
Signal driver module: pulse signal transmission is converted to transmitting control module by the transmission signal of processing unit；
Signal processing module: A/D turns are sent after the reception signal that transmission control module sends over is amplified processing
Change the mold block；
A/D conversion module: being digital data transmission to processing unit by the signal voltage transitions received；
Processing unit: signal and reception digital signal are sent for generating, carries out the calculating of silt air bubble content, and generate control
Correct signal is transmitted to corresponding ultrasonic transducer by signal control transmission control module processed；
Ultrasonic transducer is even number, and in pairs carry out using；
Signal processing module includes: preamplifier: the electricity for the return pulse signal that transmission control module is sent
Pressure carries out being transmitted to filter amplifier after once amplifying；Filter amplifier: the amplified reception signal of preamplifier is carried out
It goes directly to filter, be transmitted to frequency overlapped-resistable filter after secondary amplification；Frequency overlapped-resistable filter: anti-aliasing processing, removal are carried out to signal
HF noise signal in signal, and transmit a signal to voltage follower；Voltage follower: the defeated of A/D conversion module is matched
Enter impedance, transmits signal.
When each pair of ultrasonic transducer works, processing unit sends electric signal to signal driver module, and sends control letter
Number make transmission control module that processed transmission signal is transferred to the ultrasonic transducer for sending signal, ultrasonic signal pass through to
It is received after surveying waters by the ultrasonic transducer of pairs of another reception signal, is obtained through signal processing module, A/D conversion module
Pulse voltage peak swing value be transferred to processing unit reception, through the processing unit processing send pulse voltage peak swing value and
It obtains pulse voltage peak swing value and calculates waters silt and air bubble content.Ultrasonic transducer can inversely be passed at this simultaneously
Defeated signal, i.e., primary that energy converter is sent to receive, original receives energy converter and sends, and obtains data.It is measured, is transported by multipair energy converter
The precise information of waters silt and air bubble content is obtained with interpolation method.
Preamplifier includes: amplification chip U1, and using INA118, pin 2 is used as input terminal, and pin 6 is as defeated
Outlet is connected with resistance R1 between pin 1 and pin 8, pin 3 connect power supply VSS with pin 5 and is grounded by capacitor C1,
Its pin 7 connection power supply VCC is simultaneously grounded by capacitor C2, and pin 5 is grounded by resistance R2.Resistance R1 be 10K, capacitor C1 and
Capacitor C2 is 0.1 μ F, and resistance R2 is 20K.
Filter amplifier includes operational amplifier U2, and using OP7, positive input terminal pin 3 connects resistance R4, and resistance R4 is another
One end connects capacitor C3, and as input terminal, the contact of resistance R4 and capacitor C3 are grounded the capacitor C3 other end by resistance R6；It is negative
Input terminal pin 2 is grounded by resistance R3；Resistance R5 is connected between its output pin 3 and pin 2；Its positive bias voltage end
Pin 7 connects power supply VCC and is grounded by capacitor C5；Its negative bias voltage end pin 4 connection power supply VSS is simultaneously connect by capacitor C4
Ground.Capacitor C3 and capacitor C5 is 0.1 μ F, and resistance R3, resistance R4, resistance R6 are 100k, and resistance R5 is 20k.
Frequency overlapped-resistable filter includes filtering chip U3, and using MAX291, pin 2 is used as input terminal, and pin 5 is as defeated
Outlet, pin Pin 3 are connect with pin 4；Its pin 7 is connect with pin 6；Its pin 7 connects power supply VCC, and pin 6 passes through
Capacitor C7 ground connection.Capacitor C7 and capacitor C6 is 0.1 μ F.
Voltage follower includes amplifier chip U4, and using OP07, positive input terminal pin 3 connects resistance R7, and resistance R7 is another
One end is as input terminal；Its pin 6 connects pin 2 and is used as output end, and positive bias voltage end pin 7 connects power supply VCC simultaneously
It is grounded by capacitor C9；Its negative bias voltage end pin 4 connection power supply VSS is simultaneously grounded by capacitor C8.Capacitor C8 and capacitor C9
It is 20 for 0.1 μ F, resistance R7.
Claims (6)
1. a kind of Ultrasonic Sediment bubble measuring device characterized by comprising
Ultrasonic transducer: by the electric signal received be converted to ultrasonic signal sent in waters to be measured or by what is received it is super
Acoustic signals are converted into electric signal；
Transmission control module: under control of the processing unit, the processed transmission signal of signal driver module is transmitted to ultrasound
Wave transducer, and the signal that corresponding ultrasonic transducer transmits is transmitted to signal processing module；
Signal driver module: pulse signal transmission is converted to transmitting control module by the transmission signal of processing unit；
Signal processing module: A/D modulus of conversion is sent after the reception signal that transmission control module sends over is amplified processing
Block；
A/D conversion module: being digital data transmission to processing unit by the signal voltage transitions received；
Processing unit: signal and reception digital signal are sent for generating, carries out the calculating of silt air bubble content, and generates control letter
Correct signal is transmitted to corresponding ultrasonic transducer by number control transmission control module；
The ultrasonic transducer be even number, and in pairs carry out using；
The signal processing module includes:
Preamplifier: the voltage for the return pulse signal that transmission control module is sent be transmitted to after once amplifying
Filter amplifier；
Filter amplifier: the amplified reception signal of preamplifier directly filter, is transmitted to anti-mix after secondary amplification
Folded filter；
Frequency overlapped-resistable filter: anti-aliasing processing is carried out to signal, removes the HF noise signal in signal, and transmit a signal to
Voltage follower；
Voltage follower: signal is transmitted in the input impedance of matching A/D conversion module.
2. Ultrasonic Sediment bubble measuring device according to claim 1, which is characterized in that the preamplifier packet
Include: amplification chip U1, using INA118, pin 2 is used as input terminal, and pin 6 is used as output end, between pin 1 and pin 8
It is connected with resistance R1, pin 3 connect power supply VSS with pin 5 and is grounded by capacitor C1, and pin 7 connects power supply VCC and leads to
Capacitor C2 ground connection is crossed, pin 5 is grounded by resistance R2.
3. Ultrasonic Sediment bubble measuring device according to claim 1, which is characterized in that the filter amplifier includes
Operational amplifier U2, using OP7, positive input terminal pin 3 connects resistance R4, and the resistance R4 other end connects capacitor C3, capacitor C3
As input terminal, the contact of resistance R4 and capacitor C3 are grounded the other end by resistance R6；Its negative input end pin 2 passes through resistance R3
Ground connection；Resistance R5 is connected between its output pin 3 and pin 2；Its positive bias voltage end pin 7 connection power supply VCC simultaneously leads to
Cross capacitor C5 ground connection；Its negative bias voltage end pin 4 connection power supply VSS is simultaneously grounded by capacitor C4.
4. Ultrasonic Sediment bubble measuring device according to claim 1, which is characterized in that the frequency overlapped-resistable filter packet
Filtering chip U3 is included, using MAX291, pin 2 is used as input terminal, and pin 5 is used as output end, pin Pin 3 and pin
4 connections；Its pin 7 is connect with pin 6；Its pin 7 connects power supply VCC, and pin 6 is grounded by capacitor C7.
5. Ultrasonic Sediment bubble measuring device according to claim 1, which is characterized in that the voltage follower packet
It includes, amplifier chip U4, using OP07, positive input terminal pin 3 connects resistance R7, and the resistance R7 other end is as input terminal；It draws
Foot 6 connects pin 2 and is used as output end, and positive bias voltage end pin 7 connects power supply VCC and is grounded by capacitor C9；It is negative
Biased electrical pressure side pin 4 connects power supply VSS and is grounded by capacitor C8.
6. Ultrasonic Sediment bubble measuring device according to claim 1, which is characterized in that the ultrasonic transducer with
Pass through cable connection between transmission control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596419.8U CN208921660U (en) | 2018-09-29 | 2018-09-29 | A kind of Ultrasonic Sediment bubble measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596419.8U CN208921660U (en) | 2018-09-29 | 2018-09-29 | A kind of Ultrasonic Sediment bubble measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208921660U true CN208921660U (en) | 2019-05-31 |
Family
ID=66707624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821596419.8U Active CN208921660U (en) | 2018-09-29 | 2018-09-29 | A kind of Ultrasonic Sediment bubble measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208921660U (en) |
-
2018
- 2018-09-29 CN CN201821596419.8U patent/CN208921660U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102141427B (en) | Method for detecting sound field parameter in fluid medium by using laser vibrometer | |
| CN102499678B (en) | Impedance measuring device and measuring method of portable impedance imaging system | |
| CN110186546B (en) | Hydrophone sensitivity free field broadband calibration method based on pink noise | |
| CN103308012B (en) | Concrete pavement thickness detection system and detection method | |
| CN107483120B (en) | Underwater acoustic signal acquisition and processing system | |
| SE0003458L (en) | Transmitter and receive switching circuit for ultrasonic flow meters | |
| RU2000125676A (en) | SENDING AND RECEIVING CIRCUIT FOR ULTRASONIC FLOW METER | |
| CN102841343A (en) | Echo sounding apparatus calibration system based on industrial computer and calibration method | |
| CN208921660U (en) | A kind of Ultrasonic Sediment bubble measuring device | |
| CN103822697A (en) | Intelligent hydrophone with self-calibration function | |
| CN201043997Y (en) | Multi-beam section plane sonar signal processing device | |
| CN213423073U (en) | Air coupling ultrasonic signal receiving circuit | |
| CN213843115U (en) | Ultrasonic wave transmitting and receiving circuit based on attenuation method | |
| CN115561311B (en) | Low-frequency sound wave remote soil moisture content measuring system and method | |
| CN202453327U (en) | Ultrasonic wall detector | |
| CN204594436U (en) | A kind of device of ultrasonic thickness measurement | |
| CN103033258A (en) | Remote high-directivity low-frequency sound wave transmission and measurement device and method | |
| CN206117478U (en) | Horizontal acoustic doppler current surveying device | |
| CN101697927B (en) | Self-adaption dynamic filter | |
| CN108535356A (en) | A kind of gas concentration ultrasonic testing system | |
| CN110988148B (en) | Measuring system and measuring method for detecting compactness by utilizing ultrasonic waves | |
| CN208921315U (en) | A kind of ultrasonic water temperature measurement device | |
| CN215261913U (en) | Echo acquisition circuit, flow measurement circuit and metering device | |
| CN107478324A (en) | Noisemeter | |
| CN203705637U (en) | High-precision ultrasonic range finder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |