CN109975432A - Emission control method, device, module and 128 channel ultrasound phased array instruments - Google Patents
Emission control method, device, module and 128 channel ultrasound phased array instruments Download PDFInfo
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- CN109975432A CN109975432A CN201910318156.7A CN201910318156A CN109975432A CN 109975432 A CN109975432 A CN 109975432A CN 201910318156 A CN201910318156 A CN 201910318156A CN 109975432 A CN109975432 A CN 109975432A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
- G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
Abstract
This application provides a kind of emission control method, device, module and 128 channel ultrasound phased array instruments, this method comprises: in response to commencing signal, input signal is received, input signal includes clock signal, commencing signal, pulse width signal, emission mode selection signal and focus wave time delayed signal；If emission mode selection signal is plane of departure wave, according to clock signal and pulse width signal, the single pulse wave of default pulsewidth is generated；If emission mode selection signal is transmitting focusing wave, according to clock signal, pulse width signal and focus wave time delayed signal, the pulse wave train of default pulsewidth, default delay value is generated.
Description
Technical field
This application involves Ultrasonic Nondestructive technical fields, specifically provide a kind of emission control method, device, module and
128 channel ultrasound phased array instruments.
Background technique
Ultrasonic phased array technology is the principle for using for reference phased array radar technology and the lossless inspection of a kind of novel ultrasonic that grows up
Survey technology, it is quick, reliable, convenient to have many advantages, such as.It is detected different from single Probe Ultrasonic Searching, the most important spy of phased array ultrasonic detection
Point is array emitter and array received, by the array energy transducer being made of Multi probe, by the sound wave for controlling each array element transmitting
Phase, realize control to ultrasonic sound field.Compared with ordinary ultrasonic detection technique, although the two is in the ultrasound using transmitting
Identical in the principle that wave carries out non-destructive testing, but detection probe and instrument both structurally there is very it is big not
Together.
At abroad, the research of ultrasonic phased array technology at present has achieved effective achievement and has stepped into the mature rank of business
Section.ZETEC, GE, OLYMPUS, the Sonatest of Britain and the Isonic company of Israel in the U.S. have been developed that commodity
The industrial ultrasonic phased array inspection instrument of change, and the crucial neck such as be successfully applied in aerospace, nuclear power industry and oil gas chemical industry
Domain.Such as: the detection of main pipeline stress corrosion cracking (SCC) in nuclear industry, in aircraft industry to detection of undercarriage etc., inspection
It surveys result and has obtained the approval of authoritative institution；American Society of Mechanical Engineers ASME is proposed in code cases 2235-9, is allowed
Replace conventional ray detection method using ultrasonic phase array method, detects a flaw to 12.7 millimeters of thickness or more of weld seam.And
The country, the research in terms of industrial phased array is comparatively relatively backward, and relevant research achievement is also relatively fewer: Tsing-Hua University is big
Shi Keren professor et al. design realizes the phased array ultrasonic detection experimental system in 16 channels；China National Petroleum pipeline
Joint Shanghai Electrical Automation Design and Research Institute, the academy of sciences has carried out natural gas line weld seam detection phased array system development work；
Other some research units, such as University Of Tianjin, Northcentral University, are also all managed in terms of ultrasonic phase array non-destructive testing
By and experiment aspect research.But on the whole, the technical strength of domestic ultrasonic phase array is still that comparison is weak.
Ultrasonic phase array detection technique at home and abroad shows wide application prospect, in order to change state's outer ultrasonic phase
The situation of battle array instrument price height and technical monopoly is controlled, we are badly in need of the ultrasonic phase array product and correlation that development has autonomous property right
Technology, most important theories meaning and the practical value for developing ultrasonic phase array detection system are self-evident.
Summary of the invention
In order to solve the above-mentioned technical problem at least one, this application provides a kind of emission control method, device, module and
128 channel ultrasound phased array instruments.
In a first aspect, being applied to 128 channel ultrasound phased array instruments, packet this application provides a kind of emission control method
It includes: in response to commencing signal, receiving input signal, the input signal includes clock signal, commencing signal, pulse width letter
Number, emission mode selection signal and focus wave time delayed signal；If the emission mode selection signal is plane of departure wave, basis
The clock signal and the pulse width signal generate the single pulse wave of default pulsewidth；If the emission mode selection letter
Number it is transmitting focusing wave, then according to the clock signal, the pulse width signal and the focus wave time delayed signal, generates pre-
If the pulse wave train of pulsewidth, default delay value.
In some embodiments, further includes: selected according to the clock signal, the commencing signal, the emission mode
Signal and the focus wave time delayed signal sequentially generate emission mode control signal and transmission channel control signal.
Second aspect, this application provides a kind of launch control units, are applied to 128 channel ultrasound phased array instruments, packet
Include: signal receiving module, for receiving input signal in response to commencing signal, the input signal includes clock signal, starts
Signal, pulse width signal, emission mode selection signal and focus wave time delayed signal；First generation module, in the hair
When emission mode selection signal is plane of departure wave, according to the clock signal and the pulse width signal, default pulsewidth is generated
Single pulse wave；Second generation module, for the emission mode selection signal be transmitting focusing wave when, according to it is described when
Clock signal, the pulse width signal and the focus wave time delayed signal generate the pulse wave train of default pulsewidth, default delay value
Column.
In some embodiments, further includes: third generation module, for according to the clock signal, commencing signal, described
Emission mode selection signal and the focus wave time delayed signal, generate emission mode control signal and transmission channel controls signal.
The third aspect, this application provides a kind of emission control modules, are applied to 128 channel ultrasound phased array instruments, packet
Include: plane emits original wave generation unit, for the single original arteries and veins with certain pulses width needed for generating plane transmitting
Rush signal；The original wave generation unit of focus emission has certain pulses width, specific delay for generating needed for focus emission
16 original burst signals of value；Signal generation unit is controlled, for generating the hair in the 128 channel ultrasound phased array instrument
Emission mode needed for penetrating sequence generation module controls signal and transmission channel controls signal.
In some embodiments, the plane emits original wave generation unit and is specifically used for, in emission mode selection signal
When for plane of departure wave, the single pulse wave of default pulsewidth is generated.
In some embodiments, the original wave generation unit of the focus emission is specifically used for, in emission mode selection signal
When for transmitting focusing wave, the pulse wave train of default pulsewidth, default delay value is generated.
In some embodiments, the control signal generation unit is specifically used for, and generates emission mode control signal and hair
Channel control signals are penetrated, to control the transmitting sequence generation module in the 128 channel ultrasound phased array instrument.
Fourth aspect, this application provides a kind of launch control equipments, comprising: memory, for storing executable program
Code；One or more processors require 1 for reading the executable program code stored in the memory with perform claim
To emission control method described in any one of 2.
5th aspect, this application provides a kind of 128 channel ultrasound phased array instruments, comprising: above-mentioned emission control dress
It sets；Emit sequence generation module, is connect with the control device；Control module is connect with the control device；Parameter configuration mould
Block is connect with the control device.
Emission control method, device, system and 128 channel ultrasound phased array instruments provided by the embodiments of the present application, mainly
It is realized, is had at least the following advantages based on CPLD and FPGA: since emission control method, apparatus and system are based on reception system
FPGA realize (that is: with receive system control section exist together in a piece of FPGA), therefore emit with received control sequential can
To accomplish accurate synchronization；In addition, the FPGA that emission control is based partially on reception system is realized, obtain the logical resource of FPGA
To make full use of, avoid a large amount of logical resources waste and in the past based on emission system CPLD realize emission control when logic
The defects of resource is nervous, working frequency is lower；Due to emit and receive system be based primarily upon programmable logic device (CPLD and
FPGA it) realizes, because without voluntarily building various analog circuits with designer, so that system make is concise, tests
As a result reliable and stable；The use of programmable logic device, so that the transmitting pulse delay of emission system, width and polar tune
It is whole extremely convenient, while but also the control of the system of reception and dataflow design is flexible and convenient, difficulty substantially reduces；With 128
A independent transmission channel, the time required to being greatly improved imaging resolution and reducing detection；Emitting voltage is up to -200V, can
Adapt to the detection of the high attenuating materials such as coarse-grain；Data acquisition rate is up to 80MSPS, and the cushion space of data is up to 2GB；Using
PCIE dma mode transmits data, possesses higher data transmission rate, reaches as high as 1.6GB/s；In addition, the integrated level of system compared with
Height possesses lesser volume, is advantageously implemented portability.
Detailed description of the invention
Fig. 1 is the flow diagram of emission control method provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of launch control unit provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of launch control system provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of 128 channel ultrasound phased array instrument provided by the embodiments of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related application, rather than the restriction to this application.It also should be noted that in order to
Convenient for description, part relevant to the application is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is the flow diagram of emission control method provided by the embodiments of the present application, as shown in Figure 1, this method includes
Following steps:
Step 101, in response to commencing signal, input signal is received.
Wherein, input signal includes clock signal, commencing signal, pulse width signal, emission mode selection signal and gathers
Burnt wave time delayed signal.
Step 102, if emission mode selection signal is plane of departure wave, according to clock signal and pulse width signal,
Generate the single pulse wave of default pulsewidth.
Step 103, if emission mode selection signal be transmitting focusing wave, according to clock signal, pulse width signal and
Focus wave time delayed signal generates the pulse wave train of default pulsewidth, default delay value.
In some embodiments, emission control method is further comprising the steps of:
Step 104, it according to clock signal, commencing signal, emission mode selection signal and focus wave time delayed signal, successively gives birth to
Signal is controlled at emission mode and transmission channel controls signal.
Fig. 2 is the structural schematic diagram of launch control unit provided by the embodiments of the present application, as shown in Fig. 2, the device includes:
Signal receiving module 201, for receiving input signal in response to commencing signal.
Wherein, input signal includes clock signal, commencing signal, pulse width signal, emission mode selection signal and gathers
Burnt wave time delayed signal.
First generation module 202 is used for when emission mode selection signal is plane of departure wave, according to clock signal and arteries and veins
Width signal is rushed, the single pulse wave of default pulsewidth is generated.
Second generation module 203 is used for when emission mode selection signal is transmitting focusing wave, according to clock signal, arteries and veins
Width signal and focus wave time delayed signal are rushed, the pulse wave train of default pulsewidth, default delay value is generated.
In some embodiments, the device further include:
Third generation module 204, for being prolonged according to clock signal, commencing signal, emission mode selection signal and focus wave
When signal, sequentially generate emission mode control signal and transmission channel control signal.
Fig. 3 is the structural schematic diagram of emission control module provided by the embodiments of the present application, as shown in figure 3, the module includes:
Plane emits original wave generation unit 301, for the list with certain pulses width needed for generating plane transmitting
A original burst signal.
The original wave generation unit 302 of focus emission has certain pulses width, specific for generating needed for focus emission
16 original burst signals of delay value.
Signal generation unit 303 is controlled, is generated for generating the transmitting timing in the 128 channel ultrasound phased array instrument
Emission mode needed for module controls signal and transmission channel controls signal.
In some embodiments, plane emits original wave generation unit 301 and is specifically used for, and is in emission mode selection signal
When plane of departure wave, the single pulse wave of default pulsewidth is generated.
In some embodiments, the original wave generation unit 302 of focus emission is specifically used for, and is in emission mode selection signal
When transmitting focusing wave, the pulse wave train of default pulsewidth, default delay value is generated.
In some embodiments, control signal generation unit 303 is specifically used for, and generates emission mode control signal and transmitting
Channel control signals, to control the transmitting sequence generation module in the 128 channel ultrasound phased array instrument.
Fig. 4 is the structural schematic diagram of 128 channel ultrasound phased array instrument provided by the embodiments of the present application, as shown in figure 4,
128 channel ultrasound phased array instruments include: 128 driving pulse emission systems, 128 phased array probe systems, reception system, on
Position machine imaging display system 420 and system power supply module 421.
128 driving pulse emission systems include transmitting sequence generation module 402, transmitting Timing driver module 427 and number
High-voltage pulse generator 428.Wherein, transmitting sequence generation module 402 and transmitting Timing driver module 427 connect, and emit timing
Drive module 427 and digital high-voltage pulse generator 428 connect.
128 phased array probe systems include the phased matrix array probe 406 of 128 channel ultrasounds, 407 and of probe scanning device
Rotary encoder 408.Wherein, ultrasound phase-control matrix array probe 406 and probe scanning device 407 connect, probe scanning device 407
It is connected with rotary encoder 408.
The phased matrix array probe 406 of 128 channel ultrasounds first one dimensional linear array of 128 vibrations made of 1-3 type piezo-electricity composite material
Probe, probe dominant frequency are 2MHz, and each array element is rectangular, and the length is 10mm, width 0.75mm, and groove width 0.05mm is isolated.
The probe is connected by I-PEX 30056mini Dock connector with the system of reception using 128 core coaxial shielding cables.
Reception system includes high pressure transmitter/receiver switch 405,32 channel analogy front-end A FE418, at FPGA data
Reason and control centre and secondary control module.200M clock crystal oscillator 422 and FPGA configuration module 417 are connected in reception system,
47M clock crystal oscillator is connected in FPGA configuration module 417.
Wherein, FPGA data processing and control centre include emission control module 401, control module 403, data storage mould
Block 425, serioparallel exchange module 426, parameter configuration module 404, PCIE communication module 423.
Control module 403 and parameter configuration module 404 are connect with emission control module 401, control module 403 also with number
It is connected according to memory module 425 and PCIE communication module 423, serioparallel exchange module 426 is connect with data memory module 425, data
Memory module 425 is connect with PCIE communication module 423, and PCIE communication module 423 is connect with parameter configuration module, and data store mould
Block 425 is also connected with DDR3 memory modules 424, and host computer 420 is connected on PCIE communication module 423.
High pressure transmitter/receiver switch is phased a burst of with the channel ultrasound of digital high voltage impulse generator 428 and 128 respectively
406 connection of column probe, meanwhile, high pressure transmitter/receiver switch 405 is also connect with 32 channel analogy front-end A FE418, and 32 is logical
Road AFE(analog front end) AFE418 is connect with serioparallel exchange module 426.
Be connected with clock distributor 415 and fading gain control module 409 on 32 channel analogy front-end A FE418, when
240M clock crystal oscillator 416 is connected on clock distributor 415.
Secondary control module includes clock control cell 413, AFE control unit 412, fading gain control unit 411, height
Press T/R switching switch control unit 410 and rotary encoder decoding unit 414.
Wherein, its decoding unit 414 of rotary coding is connect with rotary encoder 408, and high pressure T/R switches switch control unit
410 connect with high pressure transmitter/receiver switch 405, and fading gain control unit 411 and fading gain control module 409 connect
It connects, the channel analogy front-end A of AFE control unit 412 and 32 FE418 is connect, and clock control cell 413 and clock distributor 415 connect
It connects.
Present invention also provides a kind of launch control equipments, comprising: memory, for storing executable program code；One
A or multiple processors, for reading the executable program code stored in the memory to execute above-mentioned emission control side
Method.
The above, the only specific embodiment of the application, it is apparent to those skilled in the art that,
For convenience of description and succinctly, the system, module of foregoing description and the specific work process of unit can refer to preceding method
Corresponding process in embodiment, details are not described herein.It should be understood that the protection scope of the application is not limited thereto, it is any to be familiar with
Those skilled in the art within the technical scope of the present application, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should all cover within the scope of protection of this application.
Claims (10)
1. a kind of emission control method is applied to 128 channel ultrasound phased array instruments characterized by comprising
In response to commencing signal, input signal is received, the input signal includes clock signal, commencing signal, pulse width letter
Number, emission mode selection signal and focus wave time delayed signal；
If the emission mode selection signal is plane of departure wave, according to the clock signal and the pulse width signal,
Generate the single pulse wave of default pulsewidth；
If the emission mode selection signal be transmitting focusing wave, according to the clock signal, the pulse width signal and
The focus wave time delayed signal generates the pulse wave train of default pulsewidth, default delay value.
2. the method according to claim 1, wherein further include:
It is delayed and is believed according to the clock signal, the pulse width signal, the emission mode selection signal and the focus wave
Number, sequentially generate emission mode control signal and transmission channel control signal.
3. a kind of launch control unit is applied to 128 channel ultrasound phased array instruments characterized by comprising
Signal receiving module, for receiving input signal in response to commencing signal, the input signal includes clock signal, opens
Beginning signal, pulse width signal, emission mode selection signal and focus wave time delayed signal；
First generation module, for when the emission mode selection signal is plane of departure wave, according to the clock signal and
The pulse width signal generates the single pulse wave of default pulsewidth；
Second generation module is used for when the emission mode selection signal is transmitting focusing wave, according to the clock signal, institute
Pulse width signal and the focus wave time delayed signal are stated, the pulse wave train of default pulsewidth, default delay value is generated.
4. the apparatus according to claim 1, which is characterized in that further include:
Third generation module, for according to the clock signal, the commencing signal, the emission mode selection signal and described
Focus wave time delayed signal sequentially generates emission mode control signal and transmission channel control signal.
5. a kind of emission control module is applied to 128 channel ultrasound phased array instruments characterized by comprising
Plane emits original wave generation unit, for the single original arteries and veins with certain pulses width needed for generating plane transmitting
Rush signal；
The original wave generation unit of focus emission has certain pulses width, specific delay value for generating needed for focus emission
16 original burst signals；
Signal generation unit is controlled, for generating the transmitting sequence generation module institute in the 128 channel ultrasound phased array instrument
The emission mode control signal and transmission channel needed controls signal.
6. module according to claim 5, which is characterized in that the plane emits original wave generation unit and is specifically used for,
When emission mode selection signal is plane of departure wave, the single pulse wave of default pulsewidth is generated.
7. module according to claim 5, which is characterized in that the original wave generation unit of focus emission is specifically used for,
When emission mode selection signal is transmitting focusing wave, the pulse wave train of default pulsewidth, default delay value is generated.
8. module according to claim 5, which is characterized in that the control signal generation unit is specifically used for,
It generates emission mode control signal and transmission channel controls signal, in the 128 channel ultrasound phased array instrument
Transmitting sequence generation module is controlled.
9. a kind of launch control equipment characterized by comprising
Memory, for storing executable program code；
One or more processors require 1 for reading the executable program code stored in the memory with perform claim
To emission control method described in any one of 2.
10. a kind of 128 channel ultrasound phased array instruments characterized by comprising
Launch control unit as claimed in claim 1 or 2；
Emit sequence generation module, is connect with the control device；
Control module is connect with the control device；
Parameter configuration module is connect with the control device.
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| CN201910318156.7A CN109975432A (en) | 2019-04-19 | 2019-04-19 | Emission control method, device, module and 128 channel ultrasound phased array instruments |
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