CN207936934U - A kind of ultrasonic thickness measurement harvester - Google Patents
A kind of ultrasonic thickness measurement harvester Download PDFInfo
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- CN207936934U CN207936934U CN201820220149.4U CN201820220149U CN207936934U CN 207936934 U CN207936934 U CN 207936934U CN 201820220149 U CN201820220149 U CN 201820220149U CN 207936934 U CN207936934 U CN 207936934U
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- 238000009683 ultrasonic thickness measurement Methods 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 37
- 239000000523 sample Substances 0.000 claims abstract description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A kind of ultrasonic thickness measurement harvester, including battery are powered to entire circuit.The I/O mouth connection radiating circuits of FPGA circuitry.Receiving circuit connects the Differential Input mouth of high-speed ADC circuit, the parallel data mouth of the parallel data delivery outlet connection FPGA circuitry of high-speed ADC circuit by AD driving circuits.The universaling I/O port of the asynchronous parallel data output connection MSP430 of asynchronous FIFO reads the high speed acquisition data in asynchronous FIFO by MSP430, and the uart mouths of wireless communication module and the uart mouths of MSP430 circuits connect.Radiating circuit connects the first piezoelectric probe, and receiving circuit connects the second piezoelectric probe.The utility model uses WIA PA wireless communication techniques, measures operation without the danger zone into high temperature, high pressure of artificial cycle, reduces the generation of safety accident, reduces the expense costs such as scaffolding, artificial.
Description
Technical field
The utility model is related to Ultrasonic Nondestructive technical fields, acquire and fill more particularly to a kind of ultrasonic thickness measurement
It sets, is applied to petrochemical equipment and high temperature（600℃）The monitoring of pipeline metal wall thickness corrosion, can use wireless communication technique
Transmit data.
Background technology
It is well known that conventional sonigauge is all handheld operation, piezoelectric probe smears special couplant, directly
It connects and is applied to the progress thickness measure of testee surface, by the LCD liquid crystal display measurement results of instrument, user is to can't see very
Real ultrasonic signal.Currently, this thickness measuring method has a wide range of applications in common thickness measure, it is also general by people
All over receiving.But in some particular surroundings, such as the high altitude location of petrochemical refining's device, high temperature pipe, dangerous blast area, this
If a little artificial spot thickness measurement difficulties in region are very big, high altitude location needs to build scaffold, manually-operated danger coefficient and peace
It fills costly, is especially repeated cyclically thickness measuring and more increases maintenance cost.Secondly, the continuous temperature tolerance of high-temperature thickness measuring probe
Can be poor, high-temperature pipe cannot be contacted for a long time, moreover, high-temperature coupling agent moment can evaporate so that measurement must be at several seconds
Interior completion, this can make troubles to high-temperature region manual measurement operation, and the actual read number of instrument tends not to really reflect outlet pipe
Wall thickness.Furthermore since different survey crews has differences instrumentation, the continuity of same point thickness measuring data is poor.
It is measured in addition, this thickness measuring method is single thickness results, corrodes more serious situation, such as point for oil refining apparatus
Erosion, pitting corrosion etc., can make ultrasonic echo signal frequency dispersion, decaying, scattering, if carrying out time difference method survey with such ultrasonic echo
Thickness, result error is too big, and the authenticity of measurement result can not ensure.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of ultrasonic thickness measurement harvester, it may be convenient to needle
To the above problem, collection in worksite is not arrived manually, it is more convenient to use.
The technical solution adopted is that：
A kind of ultrasonic thickness measurement harvester, including battery and power circuit.
Technical points are：
Battery connects power circuit, and power circuit is to MSP430 circuits, FPGA circuitry, AD driving circuits, high-speed ADC electricity
Road, radiating circuit, receiving circuit, wireless communication module and the power supply of clock-reset circuit.
The I/O mouth connection radiating circuits of FPGA circuitry.
Receiving circuit connects the Differential Input mouth of high-speed ADC circuit by AD driving circuits, and the clock of high-speed ADC circuit connects
The clock delivery outlet of mouth connection FPGA circuitry, the clock delivery outlet of FPGA circuitry are also connected with the asynchronous FIFO of FPGA circuitry simultaneously
Clock interface.
The parallel data mouth of the parallel data delivery outlet connection FPGA circuitry of high-speed ADC circuit.
The universaling I/O port of the asynchronous parallel data output connection MSP430 of FPGA circuitry asynchronous FIFO, is read by MSP430
Take the high speed acquisition data in asynchronous FIFO.
The uart mouths of wireless communication module and the uart mouths of MSP430 circuits connect.
The clock-reset mouth of first delivery outlet connection FPGA circuitry of clock-reset circuit.
The clock-reset mouth of second delivery outlet connection MSP430 circuit of clock-reset circuit.
Radiating circuit connects the first piezoelectric probe, and receiving circuit connects the second piezoelectric probe.
Thickness measure is carried out using the method for wireless communication, to realize the corrosion monitoring to being tested metal object.
This method acquires ultrasonic signal using high-speed ADC circuit, using WIA-PA wireless communication modules as data transmission
The digital signal of high-speed ADC circuit conversion is sent to intelligent radio gateway, is shown on host computer by carrier.
The WIA-PA wireless communication modules include antenna, wireless module, uart interfaces, the uart mouths of wireless module with
The serial ports of MSP430 connects, with baud rate 9600bit/s transceiving datas.Radiating circuit provides high pressure by high-pressure modular（500V）, N
Channel enhancement MOSFET realizes the charge and discharge switch function of capacitance, and damping matching is adjustable, excites adjustable pulse width.Receiving circuit master
Amplifier, which is selected, carries preposition low noise gain adjustable amplifier, and amplifier input terminal is protected using diode clamp, passes through program
DAC reality is controlled to main amplifier gain-adjusted.AD driving circuits realize the conversion of ultrasonic signal single-ended transfer difference, simultaneously effective
Match the input impedance of subsequent conditioning circuit.High-speed ADC circuit fast, low-power consumption AD analog-digital converters, parallel data using speed
Delivery outlet is all connected to the parallel data mouth of FPGA, and synchronised clock is provided by FPGA.FPGA circuitry realizes that bit wide and depth can
The asynchronous FIFO of tune, to cache the data of high-speed ADC circuit conversion, FPGA generates PLL phase-locked loop clocks, is used for synchronous high-speed
The data write clock of adc circuit sampling clock and asynchronous FIFO.FPGA receives the firing command of MSP430, to control transmitting
Circuit generates excitation pulse.MSP430 control circuits complete communication control to WIA-PA wireless communication modules, power supply low-power consumption
Management adjusts gain amplifier with the data exchange of FPGA, control DAC.Clock-reset circuit provides clock signal, electrification reset letter
Number, it is ensured that FPGA and MSP430, which is powered on, to be worked normally.Digital power part is using high efficiency, low Static Electro in power circuit
The Switching Power Supply of stream, analog power part use the low ripple linearity power supply power supplies of LDO, magnetic latching relay enabled with power supply chip
End is combined power cutoff, and then reduces power consumption.Using the data of wireless communication technique real-time Transmission high speed acquisition ultrasonic wave, survey
The waveform and result computer of amount are shown.The real-time Transmission includes wireless module in real time in net, and can be communicated with random time
Transmission.Only it need to excite a high-voltage pulse receiving circuit that can capture waveform.MSP430 chip microcontroller super low-power consumption power supply pipes
Reason, using WIA-PA wireless communication modules as data transmission carrier, the digital signal that high-speed ADC is converted is sent to intelligent nothing
Gauze closes, and connecting host computer by Ethernet interface carries out data exchange, shows ultrasonic wave waveform and thickness value, and can root
The corrosion condition of tested metal object is analyzed according to ultrasonic waveform.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Fig. 2 is wireless network and system architecture diagram.（Host computer, intelligent radio gateway and WIA-PA radio communication molds
Block）.
Wireless communication module 1, FPGA circuitry 2, radiating circuit 3, receiving circuit 4, AD driving circuits 5, high-speed ADC circuit 6,
It is MSP430 circuits 7, power circuit 8, battery 9, clock-reset circuit 10, wireless communication module antenna 11, PLL12, asynchronous
FIFO13, host computer 14, intelligent radio gateway 15, the first piezoelectric probe 16, the second piezoelectric probe 17.
It the advantage is that：
1, the utility model uses WIA-PA wireless communication techniques, measurement result is transferred in upper Office PC, nothing
The danger zone into high temperature, high pressure of palpus artificial cycle measures operation, reduces the generation of safety accident.
2, the utility model is designed using low-power consumption battery powered, can be non-maintaining with 2-3, reduces petroleum chemical enterprise because of thickness measuring
The expense costs such as scaffolding, artificial.
3, the utility model can in real time, continuously monitor high temperature wall thickness, can be brought completely to avoid artificial thickness measuring larger
Error.
4, under the management of intelligent radio gateway, the WIA-PA wireless communication modules of each node can be automatically composed MESH
Network structure, the network have automatic frequency adjustment technology, there is stronger anti-interference ability.
Specific implementation mode
Embodiment 1
A kind of ultrasonic thickness measurement harvester, including battery 9 and power circuit 8.
Battery 9 connects power circuit 8, and power circuit 8 is to MSP430 circuits 7, FPGA circuitry 2, AD driving circuits 5, high speed
Adc circuit 6, radiating circuit 3, receiving circuit 4, wireless communication module 1 and clock-reset circuit 10 are powered.
The I/O mouth connections radiating circuit 3 of FPGA circuitry 2.
Receiving circuit 4 connects the Differential Input mouth of high-speed ADC circuit 6 by AD driving circuits 5, high-speed ADC circuit 6 when
Clock interface connects the clock delivery outlet of FPGA circuitry 2, and FPGA generates PLL12 phase-locked loop clocks, the clock delivery outlet of FPGA circuitry 2
It is also connected with the clock interface of the asynchronous FIFO 13 of FPGA circuitry 2, sampling clock and the asynchronous FIFO 13 of high-speed ADC circuit 6 simultaneously
Write clock synchronize.
The parallel data mouth of the parallel data delivery outlet connection FPGA circuitry 2 of high-speed ADC circuit 6.
The universaling I/O port of the asynchronous parallel data output connection MSP430 of the asynchronous FIFO 13 of FPGA circuitry 2, by
MSP430 reads the high speed acquisition data in asynchronous FIFO.
The uart mouths of wireless communication module 1 and the uart mouths of MSP430 circuits 7 connect.
Wireless communication module 1 is WIA-PA wireless communication modules.
The clock-reset mouth of 10 first delivery outlet connection FPGA circuitries 2 of clock-reset circuit.
The clock-reset mouth of 10 second delivery outlet connection MSP430 circuits 7 of clock-reset circuit.
Radiating circuit 3 connects the first piezoelectric probe 16, and receiving circuit 4 connects the second piezoelectric probe 17.
It is powered to power circuit 8 with lithium battery, host computer 14 sends measuring command by intelligent radio gateway 15.
After wireless communication module 1 receives the test command of the transmission of intelligent radio gateway 15, serial ports wakes up in suspend mode
MSP430 circuits 7, the order that then transmission of MSP430 parsings wireless communication module 1 comes, correctly then execute measurement operation, control electricity
Source circuit 8 is powered on to FPGA circuitry 2, radiating circuit 3 and receiving circuit 4, is then triggered FPGA circuitry 2 and is exported 100ns（Ns grades
, pulse width is adjustable, is not less than 10ns）Wide pulse signal, the MOSFET be connected in radiating circuit 3 excite high-voltage pulse,
So that the first piezoelectric probe 16 obtains excitation energy, generate on ultrasonic signal effect testee.If (MSP430 parsings are wireless
The order that the transmission of communication module 1 comes, mistake then continue Low-power-consumptiodormancy dormancy.) receiving circuit 4 is to 17 ultrasonic echo of the second piezoelectric probe
Signal carries out adjustable gain enhanced processing, is converted subsequently into single-ended transfer difference AD driving circuits 5, and ultrasonic differential signal is input to
The differential input end of high-speed ADC circuit 6, high-speed ADC circuit 6 complete the operation that ultrasonic simulation signal is converted into digital signal,
FPGA circuitry 2 caches the data of high-speed ADC circuit 6 by the asynchronous FIFO 13 that internal processes are established, and MSP430 circuits 7 read different
The data for walking FIFO13 are saved in caching array, are then shut off 4 power supply of FPGA circuitry 2, radiating circuit 3 and receiving circuit.
（13 buffer memory capacity of asynchronous FIFO is more flexible, can be according to the RAM sizes of FPGA, arbitrary disposition depth and bit wide）.MSP430 is built
The vertical big array caching of 2K-8K bytes, runs through rapidly the data in asynchronous FIFO 13, is then shut off FPGA, power circuit 9, slow
The data deposited are packaged framing, wireless communication module 1 are sent in a manner of asynchronous serial communication, wireless communication module 1 retransmits
To intelligent radio gateway 15, after wireless communication module 1 transfers whole Wave datas, MSP430 circuits 7 enter low-power consumption mould
Formula, waiting wake up next time.15 Ethernet interface mode of intelligent radio gateway connects host computer 14（Host Computer Software Platform）,
Host computer 14 shows waveform and thickness value.The utility model is mainly with FPGA circuitry 2 and MSP430 circuits 7 core in order to control
The heart realizes the transmitting of ultrasonic signal and receives acquisition.Finally with wireless communication module 1 data transmission to host computer 14,
The reconstruction of waveform and thickness value are shown.
Embodiment 2
Embodiment 2 is substantially the same manner as Example 1, and the battery 9 can be lithium battery.
Embodiment 3
Embodiment 3 is substantially the same manner as Example 1, wherein 6 sample frequency of high-speed ADC circuit is in 20-100Msps,
Bit wide 8-16bit, power consumption is in 30mA or less.
Wireless communication module 1 is WIA-PA wireless communication modules, WIA-PA wireless communication module models ZAWM-D014.
The FPGA models EP4CE6E22I8 of FPGA circuitry 2.
Lithium battery is disposable lithium cell, small, and capacity is big.
Battery 9 is lithium battery, 9 voltage range 3.6-14.4V of battery.
MSP430 models MSP430F149.
Certain oil plant subtracts the wall thickness of top water cooler entrance, and to measure at pipeline elbow initial wall thickness be 7.5mm, by one
A month elbow, which is thinned, is less than 0.1mm, keeps 7.5mm substantially.The position is 7.51mm with hand-held ultrasound calibrator testing result,
Illustrate that utility model device is consistent with ordinary ultrasonic thickness measuring result.
Those skilled in the art can also design the circuit of function described in other forms according to the record in specification, real
Existing goal of the invention.
Claims (9)
1. a kind of ultrasonic thickness measurement harvester, including battery（9）And power circuit（8）；It is characterized in that：
Battery（9）Connect power circuit（8）, power circuit（8）Give MSP430 circuits（7）, FPGA circuitry（2）, AD driving circuits
（5）, high-speed ADC circuit（6）, radiating circuit（3）, receiving circuit（4）, wireless communication module（1）With clock-reset circuit（10）
Power supply；
FPGA circuitry（2）I/O mouth connection radiating circuits（3）；
Receiving circuit（4）Pass through AD driving circuits（5）Connect high-speed ADC circuit（6）Differential Input mouth, high-speed ADC circuit（6）
Clock interface connect FPGA circuitry（2）Clock delivery outlet, FPGA circuitry（2）Clock delivery outlet simultaneously be also connected with FPGA electricity
Road（2）Asynchronous FIFO（13）Clock interface；
High-speed ADC circuit（6）Parallel data delivery outlet connect FPGA circuitry（2）Parallel data mouth；
FPGA circuitry（2）Asynchronous FIFO（13）Asynchronous parallel data output connection MSP430 universaling I/O port；
Wireless communication module（1）Uart mouths and MSP430 circuits（7）Uart mouths connection；
Clock-reset circuit（10）First delivery outlet connects FPGA circuitry（2）Clock-reset mouth；
Clock-reset circuit（10）Second delivery outlet connects MSP430 circuits（7）Clock-reset mouth；
Radiating circuit（3）Connect the first piezoelectric probe（16）, receiving circuit（4）Connect the second piezoelectric probe（17）.
2. a kind of ultrasonic thickness measurement harvester according to claim 1, it is characterised in that：
The battery（9）For lithium battery.
3. a kind of ultrasonic thickness measurement harvester according to claim 2, it is characterised in that：
Lithium battery is disposable lithium cell.
4. a kind of ultrasonic thickness measurement harvester according to claim 1, it is characterised in that：
The high-speed ADC circuit（6）Sample frequency is in 20-100Msps.
5. a kind of ultrasonic thickness measurement harvester according to claim 1, it is characterised in that：
High-speed ADC circuit（6）Bit wide 8-16bit.
6. a kind of ultrasonic thickness measurement harvester according to claim 1, it is characterised in that：
Wireless communication module（1）For WIA-PA wireless communication modules.
7. a kind of ultrasonic thickness measurement harvester according to claim 6, it is characterised in that：
WIA-PA wireless communication module models ZAWM-D014.
8. a kind of ultrasonic thickness measurement harvester according to claim 1, it is characterised in that：
FPGA circuitry（2）Use PLL（12）Synchronous high-speed adc circuit（6）And asynchronous FIFO（13）Clock.
9. a kind of ultrasonic thickness measurement harvester according to claim 1, it is characterised in that：
MSP430 circuits（7）MSP430 model MSP430F149, the FPGA models EP4CE6E22I8 of FPGA circuitry (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220149.4U CN207936934U (en) | 2018-02-08 | 2018-02-08 | A kind of ultrasonic thickness measurement harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220149.4U CN207936934U (en) | 2018-02-08 | 2018-02-08 | A kind of ultrasonic thickness measurement harvester |
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| Publication Number | Publication Date |
|---|---|
| CN207936934U true CN207936934U (en) | 2018-10-02 |
Family
ID=63651995
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820220149.4U Active CN207936934U (en) | 2018-02-08 | 2018-02-08 | A kind of ultrasonic thickness measurement harvester |
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| Country | Link |
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| CN (1) | CN207936934U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327368A (en) * | 2020-10-29 | 2021-02-05 | 电子科技大学 | Ultra-deep metal pipeline buried depth detection equipment and use method thereof |
| CN115665839A (en) * | 2022-12-26 | 2023-01-31 | 北京瑞祥宏远科技有限公司 | Multichannel low-power-consumption online fixed-point thickness measuring system and method |
-
2018
- 2018-02-08 CN CN201820220149.4U patent/CN207936934U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327368A (en) * | 2020-10-29 | 2021-02-05 | 电子科技大学 | Ultra-deep metal pipeline buried depth detection equipment and use method thereof |
| CN115665839A (en) * | 2022-12-26 | 2023-01-31 | 北京瑞祥宏远科技有限公司 | Multichannel low-power-consumption online fixed-point thickness measuring system and method |
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