CN103399088A - Rotary type multi-channel ultrasonic transmitting and receiving device and method - Google Patents
Rotary type multi-channel ultrasonic transmitting and receiving device and method Download PDFInfo
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- CN103399088A CN103399088A CN2013103193834A CN201310319383A CN103399088A CN 103399088 A CN103399088 A CN 103399088A CN 2013103193834 A CN2013103193834 A CN 2013103193834A CN 201310319383 A CN201310319383 A CN 201310319383A CN 103399088 A CN103399088 A CN 103399088A
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- 239000000523 sample Substances 0.000 claims abstract description 32
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- 238000002604 ultrasonography Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 abstract description 15
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 abstract 3
- 230000007547 defect Effects 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a rotary type multi-channel ultrasonic transmitting and receiving device and method. The device comprises a rotary module and a flaw detector main engine, wherein the rotary module and the flaw detector main engine are connected with each other by a rotary capacitor. The rotary type multi-channel ultrasonic transmitting and receiving device and method provided by the invention have the beneficial effects that a rotary type multi-channel ultrasonic flaw detection device is adopted so that different probes and channels can be selected to work at different working periods; the same rotary capacitor is used for carrying out transmission of a control signal and an ultrasonic signal respectively at different periods, so that the quantity of the rotary capacitor is reduced, the structure of the device is simplified, a flaw detection dead zone is reduced and the reliability of the device is enhanced; the rotary type multi-channel ultrasonic transmitting and receiving device and method are particularly suitable for multi-channel ultrasonic flaw detection conditions of a probe rotary type steel pipe.
Description
Technical field:
The invention belongs to industrial UT (Ultrasonic Testing) field, particularly a kind of rotary type multichannel ultrasound wave sending and receiving apparatus and method.
Background technology:
In the rotary steel pipe channel ultrasonic wave inspection of probe, the mode that usually adopts ultrasonic probe rotation, steel pipe to pass is detected a flaw.When the probe rotation, the signal transmission between probe and ultra-sonic defect detector adopts the method for capacitance sheet or telefault coupling to realize non contact signal transmission.Take capacitive coupling as example, electric capacity is general use two can relative rotary motion the copper ring sheet make, a slice is connected with popping one's head in, and is arranged on together on the rotor of rotating mechanism, another sheet is fixed on the stator of rotating mechanism, and the capacitance sheet on stator directly is connected with ultra-sonic defect detector.In traditional device, each probe needs to use one group of capacitance sheet to realize being connected with the noncontact of ultra-sonic defect detector.For the flaw detection of larger diameter steel pipe, or for probe kind more steel tube flaw detection, probe quantity must increase, so capacitance sheet quantity increases, and can cause thus installation difficulty to increase, and installing space increases, and the flaw detection blind area increases, and the reliability of flaw detection reduces.What the present invention adopted is rotary type multichannel ultrasound wave sending and receiving apparatus, the transmitting and receiving module of ultra-sonic defect detector is arranged on rotating mechanism and rotates together with probe, a plurality of probes of work in series use same rotation electric capacity, thereby reduce the usage quantity of rotation electric capacity, improved the reliability that equipment is installed, reduce the flaw detection blind area, effectively solved the problems of bringing because of the increase of probe quantity.
Summary of the invention:
Technical matters to be solved by this invention is that multiple path ultrasonic flaw detector is divided into to hyperchannel emission receiver module and defectoscope main frame two parts, the former is arranged on rotation together with probe on rotating mechanism, use one group of rotation electric capacity that many probe signals of work in series are transferred to the latter, reduce the usage quantity of rotation electric capacity, reduce the flaw detection blind area, improved the reliability of device work.
The technical solution used in the present invention is:
The invention provides a kind of rotary type multichannel ultrasound wave sending and receiving apparatus, this device comprises rotary module and defectoscope main frame, between described rotary module and defectoscope main frame, by a rotation electric capacity, connects.
The present invention also provides a kind of rotary type multichannel ultrasound wave method for transmitting and receiving, wherein completing once the time of launching, receiving and gather ultrasonic signal is called a work period, the time of one-period is divided into to control time and receives the period, and described control time and the step of reception period are:
1) at control time, the synchronizing signal that master control FPGA circuit produces and control signal are encoded into square wave and are encoded by the control signal coding circuit, coded signal is transferred in the control signal decoding circuit and decodes by rotation electric capacity, preposition FPGA circuit reads decoded signal, and control hyperchannel radiating circuit emission ultrasound information, complete the work of control time;
2) receiving the period, at first the ultrasonic signal that receives receives by the hyperchannel receiving circuit, then by described preposition FPGA circuit, select described pre-amplification circuit to amplify, ultrasonic signal after amplification is transferred to described controllable gain amplifying circuit by described rotation electric capacity again, under controlling, further amplifies in described master control FPGA circuit, finally by analog-digital conversion circuit as described the ultrasonic signal digitizing, by master control FPGA circuit transmission, arrive defectoscope CPU and interface bus circuit again, complete the period work that receives.
The invention has the beneficial effects as follows: adopt the rotary type multichannel ultrasonic flaw detecting device, can be in the different work periods, select different probes and passage work, use same rotation electric capacity to carry out respectively control signal and ultrasonic signal transmission in the different periods, reduce the quantity of rotation electric capacity, simplified the structure of device, reduced the flaw detection blind area, increased the reliability of device, the situation of the rotary steel pipe channel ultrasonic wave inspection of being specially adapted to pop one's head in.
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The accompanying drawing explanation:
Fig. 1 is the rotary steel pipe multi-channel ultrasonic flaw-inspecting of existing probe device principle of work block diagram;
Fig. 2 is rotary type multichannel ultrasonic flaw detecting device principle of work block diagram of the present invention,
Fig. 3 is the signal transmission sequential chart in the present invention.
Description of reference numerals:
the 1-probe, the 2-radiating circuit, the 3-receiving circuit, the preposition FPGA circuit of 4-, 5-control signal decoding circuit, the 6-pre-amplification circuit, 7-rotates electric capacity, 8-control signal coding circuit, 9-master control FPGA circuit, 10-controllable gain amplifying circuit, the 11-analog to digital conversion circuit, 12-defectoscope CPU and bus interface circuit, the 13-rotary module, 14-defectoscope main frame, the 15-control time, 16-receives the period, 17-control channel and preamplification signal, the 18-synchronizing signal, the 19-coded signal, the 20-decoded signal, 21-ultrasound wave trigger pip, the 22-ultrasonic signal.
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Embodiment
Below in conjunction with embodiment, further describe the present invention.Scope of the present invention is not subjected to the restriction of these embodiment.
Referring to accompanying drawing 1, the rotary steel pipe multichannel ultrasonic failure detector of existing probe, comprise rotary module 10 ' and defectoscope main frame 11 ', and wherein rotary module 10 ' comprises a plurality of probes 1 ', probe 1 ' rotates together with rotating mechanism, by rotation electric capacity 2 ', with defectoscope main frame 11 ', be connected.Defectoscope main frame 11 ' comprises hyperchannel radiating circuit 3 ', hyperchannel receiving circuit 4 ', pre-amplification circuit 5 ', master control FPGA circuit 6 ', controllable gain amplifying circuit 7 ', analog to digital conversion circuit 8 ' and defectoscope CPU and bus interface circuit 9 '.In existing apparatus, each probe 1 ' must use a rotation electric capacity 2 '.
For the flaw detection of larger diameter steel pipe, or, for the more steel tube flaw detection of probe kind, adopt the device of prior art, probe quantity must increase, so capacitance sheet quantity increases, and can cause thus installation difficulty to increase, installing space increases, and the flaw detection blind area increases, and the reliability of flaw detection reduces.
The present invention is divided into two parts to the defectoscope circuit.First is rotary module 13, comprises probe 1, hyperchannel radiating circuit 2, hyperchannel receiving circuit 3, pre-amplification circuit 6, and has increased preposition FPGA circuit 4 and control signal decoding circuit 5.Second portion is defectoscope main frame 14, comprises master control FPGA circuit 9, controllable gain amplifying circuit 10, analog to digital conversion circuit 11 and defectoscope CPU and interface bus circuit 12, and has increased control signal coding circuit 8.Each circuit and the probe of first rotate together with rotating mechanism, by a rotation electric capacity 7, with the second portion circuit, be connected.All probes can only use a rotation electric capacity 7.
The principle of work of described rotary type multichannel ultrasound wave sending and receiving apparatus is as follows:
The rotary steel pipe multichannel ultrasonic failure detector of popping one's head in complete once launch, time of reception and ultrasonic signal collection is called a work period.The time of one-period is divided into to control time 15 and receives the period 16.
At control time 15, the synchronizing signal that master control FPGA circuit 9 produces and control signal are encoded into square wave and are encoded by Signal coding circuit 8, coded signal is transferred in control signal decoding circuit 5 and decodes by rotation electric capacity 7, preposition FPGA circuit 4 reads decoded signal, and control radiating circuit 2 emission ultrasound information, complete control time 15 work.
Receiving the period 16, at first the ultrasonic signal that receives receives by receiving circuit 3, then by preposition FPGA circuit 4, select pre-amplification circuit 6 to amplify, ultrasonic signal after amplification is transferred to controllable gain amplifying circuit 10 by rotation electric capacity 7 again, under controlling, further amplifies in master control FPGA circuit 9, finally pass through analog to digital conversion circuit 11 the ultrasonic signal digitizing, then be transferred in defectoscope CPU12 by master control FPGA9, complete periods 16 work that receives.
referring to accompanying drawing 3, the flow process of rotary steel pipe multichannel ultrasonic failure detector each several part work of popping one's head in is: a work period is while starting, in rotary module 13, preposition FPGA circuit 4 is operated in the preparatory stage, the master control FPGA circuit 9 of defectoscope main frame 14 generates control channel and preamplification signal 17 and synchronizing signal 18 under the control of defectoscope CPU, by control signal coding circuit 8, produce coded signal 19, through rotation electric capacity 7, be transferred in control signal decoding circuit 5, generating solution coded signal 20, by preposition FPGA circuit 4, read the rear control radiating circuit 2 of decoded signal 20 again, and generation trigger pip 21, complete the work of control time 15, the probe 1 that is stimulated produces ultrasonic signal 22, after pre-amplification circuit 6 amplifies, by rotation electric capacity 7, be transferred to again the controllable gain amplifying circuit 10 of defectoscope main frame 14, under controlling, further amplifies in master control FPGA circuit 9, finally pass through analog to digital conversion circuit 11 the ultrasonic signal digitizing, by master control FPGA circuit 9, be transferred in defectoscope CPU12 again, complete the work that receives the period 16.From on sequential, master control FPGA circuit 9 is active duties, the passive duty of preposition FPGA circuit 4, control time 15 and reception periods 16 non-overlapping copies, mutually unaffected, and control signal coding circuit 8 and control signal decoding circuit 5 are in closed condition all in control time 15 work in the reception period 16.
Beneficial effect of the present invention is the partial circuit of defectoscope and main frame are separated, together with probe, be arranged in rotating mechanism, realized using the function of the hyperchannel work of a rotation Capacity control and a plurality of probe signals of transmission, reduced rotation electric capacity usage quantity, simplified the structure of instrument, reduce the flaw detection blind area, be specially adapted to the situation of Large Diameter Pipeline, the number of channels rotary steel pipe channel ultrasonic of probe wave inspection how.
Abovely with reference to the exemplary embodiment of accompanying drawing to the application, be described.Those skilled in the art should understand that; above-mentioned embodiment is only the example of lifting for illustrative purposes; rather than be used for limiting; any modification of doing under all instructions in the application and claim protection domain, be equal to replacement etc., all should be included in the claimed scope of the application.
Claims (9)
1. rotary type multichannel ultrasound wave sending and receiving apparatus, this device comprises rotary module (13) and defectoscope main frame (14), it is characterized in that, between described rotary module (13) and defectoscope main frame (14), by a rotation electric capacity (7), connects.
2. sending and receiving apparatus according to claim 1, it is characterized in that, described rotary module (13) comprises probe (1), hyperchannel radiating circuit (2), hyperchannel receiving circuit (3), preposition FPGA circuit (4), control signal decoding circuit (5) and pre-amplification circuit (6).
3. sending and receiving apparatus according to claim 2, it is characterized in that, described defectoscope main frame (14) comprises control signal coding circuit (8), master control FPGA circuit (9), controllable gain amplifying circuit (10), analog to digital conversion circuit (11) and defectoscope CPU and interface bus circuit (12).
4. sending and receiving apparatus according to claim 3, it is characterized in that, the synchronizing signal that described master control FPGA circuit (9) produces and control signal are encoded into square wave and are encoded by control signal coding circuit (8), coded signal is transferred in control signal decoding circuit (5) and decodes by described rotation electric capacity (7), described preposition FPGA circuit (4) reads decoded signal, and controls hyperchannel radiating circuit (2) emission ultrasound information.
5. sending and receiving apparatus according to claim 3, it is characterized in that, at first the ultrasonic signal that receives receives by hyperchannel receiving circuit (3), then by described preposition FPGA circuit (4), select described pre-amplification circuit (6) to amplify, ultrasonic signal after amplification is transferred to described controllable gain amplifying circuit (10) by described rotation electric capacity (7) again, under controlling, further amplifies in described master control FPGA circuit (9), finally pass through analog-digital conversion circuit as described (11) the ultrasonic signal digitizing, by master control FPGA circuit (9), be transferred to defectoscope CPU and interface bus circuit (12) again.
6. rotary type multichannel ultrasound wave method for transmitting and receiving, wherein completing once the time of launching, receiving and gather ultrasonic signal is called a work period, the time of one-period is divided into to control time and receives the period, it is characterized in that, described control time and the step of reception period are:
1) at control time, the synchronizing signal that master control FPGA circuit (9) produces and control signal are encoded into square wave and are encoded by control signal coding circuit (8), coded signal is transferred in control signal decoding circuit (5) and decodes by rotation electric capacity (7), preposition FPGA circuit (4) reads decoded signal, and control hyperchannel radiating circuit (2) emission ultrasound information, complete the work of control time;
2) receiving the period, at first the ultrasonic signal that receives receives by hyperchannel receiving circuit (3), then by described preposition FPGA circuit (4), select described pre-amplification circuit (6) to amplify, ultrasonic signal after amplification is transferred to described controllable gain amplifying circuit (10) by described rotation electric capacity (7) again, under controlling, further amplifies in described master control FPGA circuit (9), finally pass through analog-digital conversion circuit as described (11) the ultrasonic signal digitizing, by master control FPGA circuit (9), be transferred to defectoscope CPU and interface bus circuit (12) again, complete the period work that receives.
7. method for transmitting and receiving according to claim 6, it is characterized in that, described control time and reception period non-overlapping copies, mutually unaffected, and control signal coding circuit (8) and control signal decoding circuit (5) are in closed condition all in control time work in the reception period.
8. method for transmitting and receiving according to claim 6, it is characterized in that, wherein the transmitting procedure of control time signal is: a work period is while starting, in rotary module (13), preposition FPGA circuit (4) is operated in the preparatory stage, the master control FPGA circuit (9) of defectoscope main frame (14) generates control channel and preamplification signal and synchronizing signal under the control of defectoscope CPU, by control signal coding circuit (8), produce coded signal, through rotation electric capacity (7), be transferred in control signal decoding circuit (5), generating solution coded signal (20), after by preposition FPGA circuit (4), reading decoded signal (20) again, control hyperchannel radiating circuit (2), and generation trigger pip, complete the work of control time.
9. method for transmitting and receiving according to claim 6, is characterized in that, wherein receiving the ultrasonic signal that receives in the period is to be produced by the probe that is stimulated (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319383.4A CN103399088B (en) | 2013-07-26 | 2013-07-26 | A kind of rotary type multichannel ultrasound wave sending and receiving apparatus and method |
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| CN201310319383.4A CN103399088B (en) | 2013-07-26 | 2013-07-26 | A kind of rotary type multichannel ultrasound wave sending and receiving apparatus and method |
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| CN103399088B CN103399088B (en) | 2015-09-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044219A (en) * | 2015-08-05 | 2015-11-11 | 北京波易达成像技术有限公司 | Rotation-type multi-channel ultrasonic flaw detection signal coupling device |
| CN107422042A (en) * | 2017-06-21 | 2017-12-01 | 株洲时代电子技术有限公司 | A kind of rail examination work data is shown and storage system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207327U (en) * | 1986-09-30 | 1987-06-10 | 无锡钢铁厂 | Ultrasonic flaw detector with rotary probe |
| WO1998021573A1 (en) * | 1996-11-15 | 1998-05-22 | Ue Systems, Inc. | Ultrasonic leak detecting apparatus |
| CN2567574Y (en) * | 2002-09-17 | 2003-08-20 | 北京有色金属研究总院 | Multi-channel capacity coupler |
| CN2574053Y (en) * | 2002-10-16 | 2003-09-17 | 北京有色金属研究总院 | Capacitance probe rotary ultrasonic flow detector |
| CN102288676A (en) * | 2011-05-18 | 2011-12-21 | 斯肯威（上海）工业检测科技有限公司 | Device for completely recording online fault detection data of ultrasonic rotary probe and application thereof |
| WO2012141279A1 (en) * | 2011-04-15 | 2012-10-18 | 新日本製鐵株式會社 | Rotary transformer for rotary ultrasonic flaw detection device and rotary ultrasonic flaw detection device using same |
| CN203365392U (en) * | 2013-07-26 | 2013-12-25 | 北京波易达成像技术有限公司 | Rotation type multi-channel ultrasonic transmitting and receiving device |
-
2013
- 2013-07-26 CN CN201310319383.4A patent/CN103399088B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207327U (en) * | 1986-09-30 | 1987-06-10 | 无锡钢铁厂 | Ultrasonic flaw detector with rotary probe |
| WO1998021573A1 (en) * | 1996-11-15 | 1998-05-22 | Ue Systems, Inc. | Ultrasonic leak detecting apparatus |
| CN2567574Y (en) * | 2002-09-17 | 2003-08-20 | 北京有色金属研究总院 | Multi-channel capacity coupler |
| CN2574053Y (en) * | 2002-10-16 | 2003-09-17 | 北京有色金属研究总院 | Capacitance probe rotary ultrasonic flow detector |
| WO2012141279A1 (en) * | 2011-04-15 | 2012-10-18 | 新日本製鐵株式會社 | Rotary transformer for rotary ultrasonic flaw detection device and rotary ultrasonic flaw detection device using same |
| CN102288676A (en) * | 2011-05-18 | 2011-12-21 | 斯肯威（上海）工业检测科技有限公司 | Device for completely recording online fault detection data of ultrasonic rotary probe and application thereof |
| CN203365392U (en) * | 2013-07-26 | 2013-12-25 | 北京波易达成像技术有限公司 | Rotation type multi-channel ultrasonic transmitting and receiving device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044219A (en) * | 2015-08-05 | 2015-11-11 | 北京波易达成像技术有限公司 | Rotation-type multi-channel ultrasonic flaw detection signal coupling device |
| CN107422042A (en) * | 2017-06-21 | 2017-12-01 | 株洲时代电子技术有限公司 | A kind of rail examination work data is shown and storage system |
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| CN103399088B (en) | 2015-09-30 |
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