CN204731200U - Digital supersonic flaw detector - Google Patents
Digital supersonic flaw detector Download PDFInfo
- Publication number
- CN204731200U CN204731200U CN201520381564.4U CN201520381564U CN204731200U CN 204731200 U CN204731200 U CN 204731200U CN 201520381564 U CN201520381564 U CN 201520381564U CN 204731200 U CN204731200 U CN 204731200U
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- ultrasound wave
- mcu microprocessor
- flaw detector
- module
- supersonic flaw
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to a kind of digital supersonic flaw detector, include ultrasound wave transmitter module, ultrasound wave receiver module, MCU microprocessor and display module, the output signal of described ultrasound wave receiver module is transferred to MCU microprocessor, the output signal of described MCU microprocessor is sent to ultrasound wave transmitter module, described MCU microprocessor and display module bidirectional data communication, the utility model adopts ultrasonic acquisition signal, sound wave has penetrability after reaching certain frequency, when there is crackle or cavity in building interior, its time passed back and strengthening can decay, testing goal can be reached.
Description
Technical field
The utility model relates to a kind of defectoscope, particularly be a kind of digital supersonic flaw detector.
Background technology
Along with socioeconomic development, all kinds of building is stood in great numbers and to be used extensively with, high-tech instrument.But along with passage of time, inevitably there is underbead crack or damage, for this situation in these buildings or instrument, a kind of response of design is fast, reliability is high and digital supersonic flaw detector that is comparatively economy is imperative, and ultrasonic ranging method is a kind of modal distance ranging method, but also can apply to detection field, ultrasound wave is as a kind of special sound wave, there is the Basic Physical Properties of sonic transmissions equally---refraction, reflection, interferes, diffraction, scattering.
Utility model content
The purpose of this utility model is to provide a kind of digital supersonic flaw detector.
The utility model solves the technical scheme that its technical matters adopts: digital supersonic flaw detector, include ultrasound wave transmitter module, ultrasound wave receiver module, MCU microprocessor and display module, the output signal of described ultrasound wave receiver module is transferred to MCU microprocessor, the output signal of described MCU microprocessor is sent to ultrasound wave transmitter module, described MCU microprocessor and display module bidirectional data communication.
Preferably, described ultrasound wave receiver module is connected successively by receiving transducer R40 and output terminal thereof the second operational amplifier A R2, the 3rd operational amplifier A R3 and LTC1297 converter IC 2 are formed.
Preferably, the 74ls00 tetra-Sheffer stroke gate chip that described ultrasound wave transmitter module is made up of the first Sheffer stroke gate A, the second Sheffer stroke gate B, the 3rd Sheffer stroke gate C, the first operational amplifier A R1 and transmitting probe T40 is formed.
Preferably, described MCU microprocessor adopts AT89c51 single-chip microcomputer IC1.
Preferably, described display module adopts LCD liquid crystal display.
By adopting above-mentioned technical scheme, the beneficial effects of the utility model are: the utility model adopts ultrasonic acquisition signal, and sound wave has penetrability after reaching certain frequency, when crackle or cavity appear in building interior, its time passed back and strengthening can decay, and can reach testing goal.
Accompanying drawing explanation
Fig. 1 is frame assumption diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, digital supersonic flaw detector of the present utility model, include ultrasound wave transmitter module, ultrasound wave receiver module, MCU microprocessor and display module, the output signal of described ultrasound wave receiver module is transferred to MCU microprocessor, the output signal of described MCU microprocessor is sent to ultrasound wave transmitter module, described MCU microprocessor and display module bidirectional data communication.
Described ultrasound wave transmitter module is by the first Sheffer stroke gate A, second Sheffer stroke gate B, the 74ls00 tetra-Sheffer stroke gate chip that 3rd Sheffer stroke gate C is formed, first operational amplifier A R1 and transmitting probe T40 is formed, described MCU microprocessor adopts AT89c51 single-chip microcomputer IC1, 23rd pin of AT89c51 single-chip microcomputer IC1 is connected with the 4th pin of 74l,s00 tetra-Sheffer stroke gate chip, its the 25th pin is by the 1st of slide rheostat R5 and 74l,s00 four Sheffer stroke gate chip the, 2 pin are connected, AT89c51 single-chip microcomputer IC1 exports the pulse of certain frequency by its 25th pin, the adjustable pulse strength of slide rheostat R5, enter into the cascade circuit of 3 joint Sheffer stroke gate compositions subsequently, for strengthening external driving force, 23rd pin of AT89c51 single-chip microcomputer IC1 can control the shutoff of sound wave at any time, because acoustic signals is irregular high frequency sinusoidal signal, filter capacitor C4 can be utilized to carry out filtering, send into the first operational amplifier A R1 in-phase input end again to amplify, because signal is amplified by overall magnitude, therefore need to signal again filtering by transmitting probe T40 send sound wave.The second operational amplifier A R2 that described ultrasound wave receiver module is connected successively by receiving transducer R40 and output terminal thereof, the 3rd operational amplifier A R3 and LTC1297 converter IC 2 are formed, R40 receives sound wave, its parameter has: sluggish 5(%F.S.), repeatability 3(%F.S.), sensitivity >=115, drift 0.5, resolution 0.5cm.When receiving transducer R40 receive returned by sound wave time, produce a very faint signal (5 ~ 10mV), therefore amplification process to be carried out to signal, signal enters into the end of oppisite phase of the second operational amplifier A R2 through current-limiting resistance R1, the end of oppisite phase entering the 3rd operational amplifier A R3 again amplifies, enlargement factor is A=R6*R7/ (R6*R7), signal becomes (0 ~ 5V) can in sensing range, signal arrives LTC1297 converter IC 2 analog input end IN+ after electric capacity C4 filtering, LTC1297 converter IC 2 is high speed 12bitAD converter, 12 binary codes can will be converted to analog voltage, therefore corresponding binary code can be become according to the different coding of the intensity of acoustic wave received, the CS of LTC1297 converter IC 2, CLK, the 37th of D pin and AT89c51 single-chip microcomputer IC1, 38, 39 pin form I2C communication line, AT89c51 single-chip microcomputer IC1 drags down the enable communication of CS port, simulated clock simulation clock is exported by CLK line, by LTC1297 converter IC 2, from D line step-by-step transmission, (" 1 " represents high level to data, " 0 " represents low level) to AT89c51 single-chip microcomputer IC1, through the process of AT89c51 single-chip microcomputer IC1 internal data switch back to pass back time intensity of acoustic wave, described display module adopts LCD liquid crystal display, the time passed back before and after display, distance and the information such as whether to damage.
Above-describedly be only a preferred embodiment of the present utility model, the scope that the utility model is implemented can not be limited, every equalization change of doing according to the utility model claim and decoration, all should still belong in scope that the utility model contains.
Claims (5)
1. digital supersonic flaw detector, it is characterized in that: include ultrasound wave transmitter module, ultrasound wave receiver module, MCU microprocessor and display module, the output signal of described ultrasound wave receiver module is transferred to MCU microprocessor, the output signal of described MCU microprocessor is sent to ultrasound wave transmitter module, described MCU microprocessor and display module bidirectional data communication.
2. digital supersonic flaw detector according to claim 1, its feature exists: the second operational amplifier A R2 that described ultrasound wave receiver module is connected successively by receiving transducer R40 and output terminal thereof, the 3rd operational amplifier A R3 and LTC1297 converter IC 2 are formed.
3. digital supersonic flaw detector according to claim 2, its feature exists: the 74ls00 tetra-Sheffer stroke gate chip that described ultrasound wave transmitter module is made up of the first Sheffer stroke gate A, the second Sheffer stroke gate B, the 3rd Sheffer stroke gate C, the first operational amplifier A R1 and transmitting probe T40 is formed.
4. digital supersonic flaw detector according to claim 1, its feature exists: described MCU microprocessor adopts AT89c51 single-chip microcomputer IC1.
5. digital supersonic flaw detector according to claim 1, its feature exists: described display module adopts LCD liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381564.4U CN204731200U (en) | 2015-06-04 | 2015-06-04 | Digital supersonic flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381564.4U CN204731200U (en) | 2015-06-04 | 2015-06-04 | Digital supersonic flaw detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731200U true CN204731200U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520381564.4U Expired - Fee Related CN204731200U (en) | 2015-06-04 | 2015-06-04 | Digital supersonic flaw detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN204731200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973198A (en) * | 2016-06-30 | 2016-09-28 | 许德芳 | Roadway section forming detector |
| CN113474646A (en) * | 2019-02-26 | 2021-10-01 | 国立大学法人丰桥技术科学大学 | Ultrasonic inspection apparatus and ultrasonic inspection method |
-
2015
- 2015-06-04 CN CN201520381564.4U patent/CN204731200U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973198A (en) * | 2016-06-30 | 2016-09-28 | 许德芳 | Roadway section forming detector |
| CN113474646A (en) * | 2019-02-26 | 2021-10-01 | 国立大学法人丰桥技术科学大学 | Ultrasonic inspection apparatus and ultrasonic inspection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |