CN103048386A - Wireless ultrasonic detection system for bent-pipe cracks - Google Patents
Wireless ultrasonic detection system for bent-pipe cracks Download PDFInfo
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- CN103048386A CN103048386A CN2012105704100A CN201210570410A CN103048386A CN 103048386 A CN103048386 A CN 103048386A CN 2012105704100 A CN2012105704100 A CN 2012105704100A CN 201210570410 A CN201210570410 A CN 201210570410A CN 103048386 A CN103048386 A CN 103048386A
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Abstract
The invention provides a wireless ultrasonic detection system for bent-pipe cracks, which comprises an industrial personal computer, a first radio frequency communication module, a second radio frequency communication module, an ultrasonic collector and a detection probe, wherein the industrial personnel computer is connected with the first radio frequency module by a universal serial bus (USB) data line; the first radio frequency communication module is wirelessly connected with the second radio frequency communication module; the second radio frequency communication module is connected with the ultrasonic collector by the USB data line; the ultrasonic collector is connected with the detection probe by a coaxial cable; the industrial personnel computer sends a control signal to the ultrasonic collector by the first and second radio frequency communication modules; and the ultrasonic collector detects an ultrasonic signal according to the control signal and sends the detected ultrasonic signal to the industrial personnel computer. The wireless ultrasonic detection system for the bent-pipe cracks can solve the problems that the speed is low and network cable transmission easily causes winding, poor contact and communication failure in the prior art.
Description
Technical field
The invention relates to the curved crack detection technology of fire bending, particularly about a kind of bend pipe crackle wireless ultrasound detection system.
Background technology
At present, in long distance pipeline construction, widely apply hot-bending bends, the detection of existing ultrasonic crackle to hot-bending bends commonly used is divided into two kinds, a kind of is by the pointwise of hand-held ultrasound detector the bend pipe position to be detected, because this detection method need to manually be carried out the detection of each position of bend pipe body, detection speed is slow, so that the time of whole testing process is longer, and can not carry out inventory analysis to detecting data; Another kind is by the automatic scanning device bend pipe body crackle to be detected, when this device detects in bend pipe automatically, the signal transmission is finished by netting twine, and netting twine twines when detecting easily repeatedly, produces easily the problem of loose contact, communication failure even fracture.Therefore, need a kind of signals collecting and storage scheme of brand-new hot-bending bends crack detection badly, fundamentally solve above-mentioned problems of the prior art.
Summary of the invention
The fundamental purpose of the embodiment of the invention is to provide a kind of bend pipe crackle wireless ultrasound detection system, with solve the speed that exists in the prior art slow, can not inventory analysis, the problem of the coiling that causes easily with network cable transmission, loose contact, communication failure.
To achieve these goals, the embodiment of the invention provides a kind of bend pipe crackle wireless ultrasound detection system, it is characterized in that described bend pipe crackle wireless ultrasound detection system comprises: industrial computer, the first radio-frequency communication module, the second radio-frequency communication module, ultrasound acquisition device and detection probe; Described industrial computer is connected with described the first radio-frequency module by the usb data line, described the first radio-frequency communication module and the second radio-frequency communication module wireless connections, described the second radio-frequency communication module connects by the described ultrasound acquisition device of usb data line, and described ultrasound acquisition device is connected with described detection probe by concentric cable; Described industrial computer transmits control signal to described ultrasound acquisition device by described the first radio-frequency communication module and the second radio-frequency communication module, described ultrasound acquisition device is controlled described detection probe according to described control signal and is carried out the ultrasonic signal detection, and the described ultrasonic signal that will detect sends to described industrial computer.
Further, described detection probe comprises: for detection of the bend pipe underbead crack and axially and the TOFD of the three-dimensional coordinate of degree of depth probe reach transversal sonde for detection of the bend pipe surface crack.
Further, described TOFD probe comprises: TOFD transmitting probe and TOFD receiving transducer.
Further, described transversal sonde comprises: horizontal transmitting probe and horizontal receiving transducer.
Further, described ultrasound acquisition device comprises: usb circuit, FPGA circuit, ultrasonic signal radiating circuit, analog signal input circuit and A/D D/A converting circuit; Described usb circuit is connected with the FPGA circuit, described FPGA circuit is connected with the ultrasonic signal radiating circuit, described ultrasonic signal radiating circuit is connected with analog signal input circuit, described analog signal input circuit is connected with the A/D D/A converting circuit, and described A/D D/A converting circuit is connected with the FPGA circuit.
Further, described the first radio-frequency communication module and two radio-frequency communication module comprise respectively antenna.
Further, described the first radio-frequency communication module and the second radio-frequency communication module comprise respectively antenna.
The beneficial effect of the embodiment of the invention is, bend pipe crackle wireless ultrasound detection system of the present invention can solve the speed that exists in the prior art slow, can not inventory analysis, the problem of the coiling that causes easily with network cable transmission, loose contact, communication failure.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of embodiment of the invention bend pipe crackle wireless ultrasound detection system;
Fig. 2 is the structural representation of embodiment of the invention ultrasound emission circuit;
Fig. 3 is that embodiment of the invention digital signal is to the interface circuit synoptic diagram of FPGA;
Fig. 4 is the analog signal input circuit synoptic diagram of the embodiment of the invention;
Fig. 5 is the A/D D/A converting circuit synoptic diagram of the embodiment of the invention;
The peripheral circuit of embodiment of the invention FPGA circuit and USB interface during Fig. 6;
Fig. 7 is the connection diagram of the usb circuit of FPGA circuit and the second radio-frequency communication module 103.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, the invention provides a kind of bend pipe crackle wireless ultrasound detection system, this bend pipe crackle wireless ultrasound detection system comprises: industrial computer 101, the first radio-frequency communication module 102, the second radio-frequency communication module 103, ultrasound acquisition device 104 and detection probe.
The first radio-frequency communication module 102 and the second radio-frequency communication module 103 all comprise antenna, and wireless connections between the two have solved the problem of the coiling that causes easily with network cable transmission, loose contact, communication failure.
As shown in Figure 1, detection probe comprises: TOFD pop one's head in (C563-SM) and transversal sonde (PRI7.5), the TOFD probe is for detection of the three-dimensional coordinate of bend pipe underbead crack and axial and the degree of depth, transversal sonde is for detection of the bend pipe surface crack, solve the TOFD detection technique and had easily undetected technical barrier of surperficial blind area, effects on surface defective, be used for the hot-bending bends quality assessment.TOFD probe and transversal sonde are all not a pair of, adopt one one working method of receiving, and the TOFD probe comprises: TOFD transmitting probe and TOFD receiving transducer, transversal sonde comprise horizontal transmitting probe and horizontal receiving transducer.
Ultrasound acquisition device 104 comprises: usb circuit, FPGA circuit, ultrasonic signal radiating circuit, analog signal input circuit and A/D D/A converting circuit, FPGA circuit are the core of the whole circuit of ultrasound acquisition device 104.Usb circuit is connected with the FPGA circuit, the FPGA circuit is connected with the ultrasonic signal radiating circuit, the ultrasonic signal radiating circuit is connected with analog signal input circuit, and analog signal input circuit is connected with the A/D D/A converting circuit, and the A/D D/A converting circuit is connected with the FPGA circuit.
Consist of the ultrasonic signal acquisition system by fpga chip, fpga chip adopts EP2S30F672C3, belongs to Altra Stratix II series, and the configuration of FPGA is by the USB interface download configuration of design.Well known to a person skilled in the art typical application circuit when analog signal input circuit, A/D D/A converting circuit and FPGA circuit, the application circuit that provides in the present embodiment only is used for realizability of the present invention is described, is not intended to limit the present invention.
The structure of ultrasound emission circuit as shown in Figure 2, the ultrasound emission circuit is to TOFD transmitting probe and horizontal transmitting probe emission undersuing, the width of pulse signal is controlled by the FPGA circuit, undersuing is through TOFD transmitting probe and the conversion of horizontal transmitting probe piezoelectricity, produce ultrasound wave, ultrasound wave is propagated in the bend pipe tube wall, when running into defective, reflection echo signal is received by TOFD receiving transducer and horizontal receiving transducer, processes through the ultrasonic signal Acquisition Circuit, received by the FPGA circuit, after the FPGA circuit computing is processed, be transferred to industrial computer 101 by the second radio-frequency communication module 103, show with defective and pass judgment on.The FPGA circuit receives the Parameter File of industrial computer 101 simultaneously, and the whole circuit of ultrasound acquisition device 104 is controlled.Surpass as shown in Figure 2, transponder pulse signal SEND1, SEND2 (as shown in Figure 3) control that is come by the FPGA circuit drives chip MAX4420, produce negative pulse ultrasonic action signal OUT1, OUT2 by MAX4420 and MOS driving tube Q1, Q2, divide and be clipped to TOFD transmitting probe and horizontal transmitting probe, emitting voltage reaches-200VDC, and the emission pulsewidth can be regulated by pulse signal SEND1, the SEND2 of programming by the output of FPGA circuit.
The ultrasonic signal Acquisition Circuit is comprised of the digital signal of the A/D D/A converting circuit of the analog signal input circuit of Fig. 4, Fig. 5 and Fig. 3 interface circuit to FPGA.As shown in Figure 4, the simulating signal IN1 that TOFD transmitting probe and horizontal transmitting probe gather, IN2 amplifies by high input impedance operational amplifier AD820, faint ultrasonic signal is enlarged into the accessible electric signal of circuit, convert differential signal ADVINAN and ADVINAP to through single-ended transfer difference chip AD8138 again, ADVINBN and ADVINBP, enter the A/D D/A converting circuit of Fig. 5, AD9238BST-40 converts digital signal to through the ADC chip, adopt a magnetic bead to isolate between digital power and the analog power, digital signal ADBUF[23,0] for FPGA EP2S30P672C3 acquisition process.
The peripheral circuit of embodiment of the invention FPGA circuit and USB interface during Fig. 6, Fig. 7 are the connection diagrams of the usb circuit of FPGA circuit and the second radio-frequency communication module 103.Adopted BAK1 and the BAK2 of FPGA, the interface power supply is 3.3V.Data line FD[15:0] and FD[7:0] be bidirectional data line, being selected by the firmware program among the USB interface chip CY7C68013A-56PVXC is 8 or 16 position datawires; The RDY0/SLRD signal wire is used for the enable signal that FPGA carries out read operation to end points, and it is effective to be set to negative edge; RDY1/SLWR is used for FPGA end points is carried out the enable signal of write operation, and it is effective to be set to negative edge; CTL0/FLAGA pin, CTL0 are GPIF control output, and FLAGA is subordinate FIFO output state marking signal able to programme; CTL1/FLAGB and CTL1/FLAGC are the empty full scale will of end points FIFO, and FLAGB represents " expiring ", and FLAGC represents " sky "; PA0/INT0# pin, PA0 are two-way I/O mouth, and INT0# is 8051 INT0 interrupting input signal; PA1/INT1# pin, PA1 are two-way I/O mouth pins, and INT1# is 8051 INT1 interrupting input signal; PA2/SLOE pin, the two-way I/O mouth of PA2 pin, SLOE provide FD input, output enable signal; PA3/WU2 pin, PA3 are two-way I/O mouth pins, and WU2 is that USB wakes alternative source up; End points option interface PA4/FIFOADR0 and PA5/FIFOADR1 are used for the receive data end points buffer zone that selection links to each other with FD; PA6/PKTEND pin, PA6 are two-way I/O mouth pins, and PKTEND is able to programme, are used for being connected to FD[15:0] subordinate FIFO; PA7/SLCS# pin, PA7 are two-way I/O pins, and SLCS# is used for controlling enabling/gating of every other subordinate FIFO; The WAKEUP pin is used for USB and wakes up; The SCL pin is I2C bus interface clock; The SDA pin is the I2C bus interface; The IFCLK pin is interface clock, is used for the synchronous clock of the input of subordinate data fifo, output; The CLKOUT pin is 12MHz, 24MHz or 48MHz clock, and phase place is locked in the 24MHz input clock; RST# pin high level is effective, and whole chip can reset; XTALIN and XTALOUT are the crystal input and output.
Fpga chip is connected the transceiver of CY7C68013A-56PVXC integration USB 2.0 and a 8051CPU by USB interface chip CY7C68013A-56PVXC with the USB port of the second radio-frequency communication module 103.After computing machine sends acquisition, digital signal after the conversion of FPGA high speed acquisition AD chip, and port D+, D-by chip CY7C68013A-56PVXC send to computing machine with the data that gather, carry out data analysis and demonstration by computing machine, solve slow, the problem that can not inventory analysis of the speed that exists in the prior art.
Bend pipe crackle wireless ultrasound detection system of the present invention adopts radio-frequency communication module to carry out radio communication, has eliminated the coiling that causes easily with network cable transmission and the defective of loose contact.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method can come the relevant hardware of instruction finish by program, this program can be stored in the computer read/write memory medium, such as ROM/RAM, magnetic disc, CD etc.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; the protection domain that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a bend pipe crackle wireless ultrasound detection system is characterized in that, described bend pipe crackle wireless ultrasound detection system comprises: industrial computer, the first radio-frequency communication module, the second radio-frequency communication module, ultrasound acquisition device and detection probe;
Described industrial computer is connected with described the first radio-frequency module by the usb data line, described the first radio-frequency communication module and the second radio-frequency communication module wireless connections, described the second radio-frequency communication module connects by the described ultrasound acquisition device of usb data line, and described ultrasound acquisition device is connected with described detection probe by concentric cable;
Described industrial computer transmits control signal to described ultrasound acquisition device by described the first radio-frequency communication module and the second radio-frequency communication module, described ultrasound acquisition device is controlled described detection probe according to described control signal and is carried out the ultrasonic signal detection, and the described ultrasonic signal that will detect sends to described industrial computer.
2. bend pipe crackle wireless ultrasound detection system according to claim 1, it is characterized in that described detection probe comprises: for detection of the bend pipe underbead crack and axially and the TOFD of the three-dimensional coordinate of degree of depth probe reach transversal sonde for detection of the bend pipe surface crack.
3. bend pipe crackle wireless ultrasound detection system according to claim 2 is characterized in that, described TOFD probe comprises: TOFD transmitting probe and TOFD receiving transducer.
4. bend pipe crackle wireless ultrasound detection system according to claim 2 is characterized in that described transversal sonde comprises: horizontal transmitting probe and horizontal receiving transducer.
5. according to claim 3 or 4 described bend pipe crackle wireless ultrasound detection systems, it is characterized in that described ultrasound acquisition device comprises: usb circuit, FPGA circuit, ultrasonic signal radiating circuit, analog signal input circuit and A/D D/A converting circuit; Described usb circuit is connected with the FPGA circuit, described FPGA circuit is connected with the ultrasonic signal radiating circuit, described ultrasonic signal radiating circuit is connected with analog signal input circuit, described analog signal input circuit is connected with the A/D D/A converting circuit, and described A/D D/A converting circuit is connected with the FPGA circuit.
6. bend pipe crackle wireless ultrasound detection system according to claim 5 is characterized in that described the first radio-frequency communication module comprises antenna.
7. bend pipe crackle wireless ultrasound detection system according to claim 5 is characterized in that described the second radio-frequency communication module comprises antenna.
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| CN2012105704100A CN103048386A (en) | 2012-12-25 | 2012-12-25 | Wireless ultrasonic detection system for bent-pipe cracks |
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| CN2012105704100A CN103048386A (en) | 2012-12-25 | 2012-12-25 | Wireless ultrasonic detection system for bent-pipe cracks |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104792871A (en) * | 2015-04-15 | 2015-07-22 | 烟台富润实业有限公司 | Portable flexible phased array ultrasonic nondestructive testing equipment for spiral weld in pipeline |
| CN106383174A (en) * | 2016-08-22 | 2017-02-08 | 合肥德泰科通测控技术有限公司 | An ultrasonic wave fracture detecting method for an external wall of a metal tube |
| CN107764897A (en) * | 2017-10-17 | 2018-03-06 | 四川升拓检测技术股份有限公司 | Contactless continuous-moving type lossless detection method based on air acceleration |
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| CN202305007U (en) * | 2011-11-09 | 2012-07-04 | 刘超 | Wind power generation motor and blade state on-line monitor |
| CN202305483U (en) * | 2011-10-28 | 2012-07-04 | 沈阳海泰仪表工业有限公司 | Real-time online nondestructive inspection detecting device for rails by means of ultrasonic guided waves |
| CN102788844A (en) * | 2012-04-28 | 2012-11-21 | 中国石油天然气集团公司 | Automatically ultrasonic detection system for automatically correcting crack of bend pipe |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202058294U (en) * | 2011-05-11 | 2011-11-30 | 烟台富润实业有限公司 | Ultrasonic nondestructive detecting system utilizing wireless data transmission |
| CN202305483U (en) * | 2011-10-28 | 2012-07-04 | 沈阳海泰仪表工业有限公司 | Real-time online nondestructive inspection detecting device for rails by means of ultrasonic guided waves |
| CN202305007U (en) * | 2011-11-09 | 2012-07-04 | 刘超 | Wind power generation motor and blade state on-line monitor |
| CN102788844A (en) * | 2012-04-28 | 2012-11-21 | 中国石油天然气集团公司 | Automatically ultrasonic detection system for automatically correcting crack of bend pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792871A (en) * | 2015-04-15 | 2015-07-22 | 烟台富润实业有限公司 | Portable flexible phased array ultrasonic nondestructive testing equipment for spiral weld in pipeline |
| CN106383174A (en) * | 2016-08-22 | 2017-02-08 | 合肥德泰科通测控技术有限公司 | An ultrasonic wave fracture detecting method for an external wall of a metal tube |
| CN107764897A (en) * | 2017-10-17 | 2018-03-06 | 四川升拓检测技术股份有限公司 | Contactless continuous-moving type lossless detection method based on air acceleration |
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Application publication date: 20130417 |