CN208872707U - A kind of two-sided battle array longitudinal wave phased array probe - Google Patents
A kind of two-sided battle array longitudinal wave phased array probe Download PDFInfo
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- CN208872707U CN208872707U CN201822227996.6U CN201822227996U CN208872707U CN 208872707 U CN208872707 U CN 208872707U CN 201822227996 U CN201822227996 U CN 201822227996U CN 208872707 U CN208872707 U CN 208872707U
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- probe
- phased array
- battle array
- circuit
- array probe
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Abstract
The utility model provides a kind of two-sided battle array longitudinal wave phased array probe, including probe body and host computer, glass shell, the probe body is connected by data line with host computer, voussoir is detected there are two setting on the probe body, the detection voussoir is equipped with face battle array phased array probe, sound insulating layer is equipped between the face battle array phased array probe, several piezoelectric chips are equipped on the face battle array phased array probe, the glass shell that pattern is right-angled trapezium is all covered on the face battle array phased array probe, the utility model acoustic beam focal point is small, noise is relatively good, defect detection ability is stronger.
Description
Technical field
The utility model relates to ultrasonic examination art field more particularly to a kind of two-sided battle array longitudinal wave phased array probes.
Background technique
TP347H austenitic stainless steel belongs to the high-carbon austenitic stainless steel of Cr-Ni containing niobium, due to Nb containing stabilizing element,
Intergranular corrosion resistance and Nai Duo sulfuric acid intergranular stress corrosion are functional, in the corrosive mediums such as acid, alkali, salt its corrosion resistance with contain Ti
18-8 austenitic stainless steel it is close, therefore be widely used in the works such as boiler, power generation, petroleum, chemical industry, synthetic fibers, food, papermaking
Industry.The TP347H pipeline of heavy wall is more in petrochemical industry hydrogenation plant, common are outer diameter tube be 406mm wall thickness 50mm and
Pipe outside diameter is 711mm wall thickness 75mm pipeline-weld, and currently used detection method is that ray detection often exposes 24 hours or more
Long, detection cycle is too long and has radiation injury and defect detection effect is not satisfactory, and pulse reflection method ultrasound detection is believed
It makes an uproar lower than too, defect detection ability does not reach requirement.
Utility model content
The purpose of this utility model is to provide a kind of two-sided battle array longitudinal wave phased array probes, to solve in above-mentioned background technique
The problem of proposition.
The utility model is achieved through the following technical solutions: a kind of two-sided battle array longitudinal wave phased array probe, including probe
Ontology and host computer, glass shell, the probe body are connected by data line with host computer, and the probe body is equipped with two
A detection voussoir, the detection voussoir are equipped with face battle array phased array probe, are equipped with sound insulating layer between the face battle array phased array probe,
Several piezoelectric chips are equipped on the face battle array phased array probe, being all covered with pattern on the face battle array phased array probe is right angle
Trapezoidal glass shell.Preferably, the piezoelectric chip quantity is 15, and the number of wafers of length direction is 5, width direction
On number of wafers be 3.
Preferably, the detection voussoir is equipped with screw hole, and the glass shell is equipped with bolt, and the bolt passes through screw hole
It is covered in glass shell on detection voussoir.
Preferably, the host computer includes touch screen and control circuit, and the control circuit includes STM32 processor, surpasses
Sonic wave transmitting circuit, amplitude limiter circuit, amplifying circuit, bandwidth-limited circuit and A/D converter, the STM32 processor and ultrasound
Successively signal is connected for wave transmitting circuit, piezoelectric chip, the piezoelectric chip and amplitude limiter circuit, amplifying circuit, bandwidth-limited circuit,
A/D converter, STM32 processor successively signal be connected, the STM32 processor also with touch screen signal interconnection.
Preferably, the amplitude limiter circuit is narrowband excitation circuit, and the amplifying circuit is putting using AD603 amplification chip
Big circuit.
Compared with prior art, what the utility model reached has the beneficial effect that:
A kind of two-sided battle array longitudinal wave phased array probe provided by the utility model, tool detect on voussoir there are two voussoir is detected
It is equipped with piezoelectric chip, while being separated between voussoir with sound insulating layer, avoids generating sound field crosstalk, double detection wedges between detection voussoir
Block can allow its acoustic beam focus focus on very little, and noise is relatively good, and defect detection ability is stronger, to heavy wall TP347 stainless steel
Pipeline-weld has stronger detection accuracy.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred reality of the utility model
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of structure chart of two-sided battle array longitudinal wave phased array probe provided by the utility model；
Fig. 2 is battle array phased array probe schematic diagram in face provided by the embodiment of the utility model；
Fig. 3 is PC control circuit diagram provided by the embodiment of the utility model.
In figure, 1- host computer, 2- detection voussoir, 3- data line, 4- sound insulating layer, 5- piezoelectric chip, 6- screw hole, 7- bolt,
8- glass shell, the face 9- battle array phased array probe 9,10- touch screen, 11- amplitude limiter circuit, 12- amplifying circuit, 13- bandpass filtering electricity
Road, 14-A/D converter, 15-STM32 processor, 16- ultrasound wave transmitting circuit.
Specific embodiment
In order to be best understood from the utility model technology contents, specific embodiment is provided below, and practical to this in conjunction with attached drawing
It is novel to be described further.
Referring to Fig. 1 to Fig. 3, a kind of two-sided battle array longitudinal wave phased array probe, including probe body and host computer 1, glass shell
8, the probe body is connected by data line 3 with host computer 1, set on the probe body there are two detection voussoir 2, the spy
It surveys voussoir 2 and is equipped with face battle array phased array probe 9, sound insulating layer 4 is equipped between the face battle array phased array probe 9, the face battle array is phased
It is equipped with several piezoelectric chips 5 on battle array probe 9, is all covered with the glass that pattern is right-angled trapezium on the face battle array phased array probe 9
Glass shell 8.
Setting two are 43mm, and width is the detection voussoir 2 of 18mm, and is being respectively provided with 5 rows 3 on two detection voussoirs 2
The face battle array phased array probe 9 of column, face battle array phased array probe 9 are made of piezoelectric chip 5, and length direction chip number is 5, width side
It is 3 to chip number, and single wafer length is 4mm, width 3.8mm, the adjacent chip spacing in width direction is
0.5mm, the adjacent chip spacing on length direction is 0.8mm, and the piezoelectric chip 5 of upper size is binded by lubricating grease to detection
On voussoir 2, while sound insulating layer 4 is set between the battle array phased array probe 9 of face, sound insulating layer 4 can prevent two face battle array phased array probes 9
Phased array sound field there is crosstalk phenomenon.
Specifically, being set on the detection voussoir 2 there are two screw hole 6, passing through the screw hole 6 by bolt 7 makes glass shell 8
It is fixed on detection voussoir 2, plays a protective role for face battle array phased array probe 9, while in order to make phased front battle array probe not
Longitudinal wave is motivated in the case where focusing, it is necessary to so that in Fig. 1 while D with while B extended line angle less than 27.79 °.
Specifically, the host computer 1 includes touch screen 10 and control circuit, the control circuit includes STM32 processor
15, ultrasonic wave transmitting circuit 16, amplitude limiter circuit 11, amplifying circuit 12, bandwidth-limited circuit 13 and A/D converter 14, wherein
STM32 processor 15 with ultrasonic wave transmitting circuit 16, successively signal is connected piezoelectric chip 5, ultrasonic wave transmitting circuit 16 is narrowband
Exciting circuit, narrowband excitation circuit have can control transmitting signal energy, electricity turn sound can it is high-efficient, can get phase information etc.
Advantage, narrowband excitation circuit can generate high-pressure sharp pulse, produce pulse when which is applied on piezoelectric chip 5
Ultrasonic wave, the pulse ultrasonic wave are longitudinal wave ultrasonic wave, which is applied on object under test, can be to determinand
Body carries out carrying out flaw detection；Piezoelectric chip 5 is also converted with amplitude limiter circuit 11, amplifying circuit 12, bandwidth-limited circuit 13, A/D simultaneously
Successively signal is connected for device 14, STM32 processor 15, due to using the face battle array of transceiver in the circuit design of the present embodiment
Phased array probe 9, i.e. surface of emission battle array phased array probe 9 and receiving plane battle array phased array probe 9 are same, and emitting voltage amplitudes
Larger, which can be loaded into subsequent conditioning circuit simultaneously, and be possible to add strong jamming when actually detected, in order to rear
Continuous circuit can be worked normally and is not damaged, it is necessary to be isolated using amplitude limiter circuit 11；
Since the effective impulse echo-signal that amplitude limiter circuit 11 exports is still fainter, therefore in amplitude limiter circuit 11
Output end access use AD603 amplification chip amplifying circuit 12, amplifying circuit 12 can export amplitude limiter circuit 11 effective
Pulse echo signal amplifies, and simultaneously amplifies the output end access bandwidth-limited circuit 13 of circuit 12, bandwidth-limited circuit 13
Noise signal in capable of believing ultrasonic echo filters off, and improves signal-to-noise ratio, and filtered signal is carried out A/ by A/D converter 14
D conversion, obtains digital signal, and by the digital data transmission into STM32 processor 15, STM32 processor 15 can will be obtained
The digit pulse echo-signal obtained is shown on touch screen 10, and then realizes the detection to stainless steel pipes weld seam.
Meanwhile testing staff can be instructed by 10 input control of touch screen and be adjusted and control.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model
Within the scope of protection.
Claims (5)
1. a kind of two-sided battle array longitudinal wave phased array probe, which is characterized in that described including probe body and host computer, glass shell
Probe body is connected by data line with host computer, set on the probe body there are two detection voussoir, on the detection voussoir
Equipped with face battle array phased array probe, it is equipped with sound insulating layer between the face battle array phased array probe, is all provided on the face battle array phased array probe
There are several piezoelectric chips, is all covered with the glass shell that pattern is right-angled trapezium on the face battle array phased array probe.
2. a kind of two-sided battle array longitudinal wave phased array probe according to claim 1, which is characterized in that the piezoelectric chip quantity
It is 15, the number of wafers of length direction is 5, and the number of wafers in width direction is 3.
3. a kind of two-sided battle array longitudinal wave phased array probe according to claim 1, which is characterized in that set on the detection voussoir
There is screw hole, passing through the screw hole by bolt is covered in glass shell on detection voussoir.
4. a kind of two-sided battle array longitudinal wave phased array probe according to claim 1, which is characterized in that the host computer includes touching
Control screen and control circuit, the control circuit include STM32 processor, ultrasonic wave transmitting circuit, amplitude limiter circuit, amplifying circuit,
Bandwidth-limited circuit and A/D converter, the STM32 processor with ultrasonic wave transmitting circuit, successively signal is connected probe body,
The probe body and amplitude limiter circuit, amplifying circuit, bandwidth-limited circuit, A/D converter, STM32 processor successively signal phase
Even, the STM32 processor also with touch screen signal interconnection.
5. a kind of two-sided battle array longitudinal wave phased array probe according to claim 4, which is characterized in that the amplitude limiter circuit is narrow
Band exciting circuit, the amplifying circuit are the amplifying circuit using AD603 amplification chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227996.6U CN208872707U (en) | 2018-12-28 | 2018-12-28 | A kind of two-sided battle array longitudinal wave phased array probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227996.6U CN208872707U (en) | 2018-12-28 | 2018-12-28 | A kind of two-sided battle array longitudinal wave phased array probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872707U true CN208872707U (en) | 2019-05-17 |
Family
ID=66471778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822227996.6U Expired - Fee Related CN208872707U (en) | 2018-12-28 | 2018-12-28 | A kind of two-sided battle array longitudinal wave phased array probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200002A (en) * | 2021-11-29 | 2022-03-18 | 张子健 | Ultrasonic detection device and method for austenitic stainless steel pipe butt-joint girth weld |
-
2018
- 2018-12-28 CN CN201822227996.6U patent/CN208872707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200002A (en) * | 2021-11-29 | 2022-03-18 | 张子健 | Ultrasonic detection device and method for austenitic stainless steel pipe butt-joint girth weld |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190807 Address after: 300270 No. 180 Century Avenue, Dagang, Binhai New Area, Tianjin Patentee after: Tianjin Da'an Te Engineering Testing Co.,Ltd. Address before: 570100 Hainan Yangpu Jeep Road Preahao Court 9 Building 1 Unit 201 Patentee before: YANGPU HAIKE PETROCHEMICAL ENGINEERING TESTING CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 Termination date: 20211228 |