CN2065324U - Intelligent ultrasonic integral tester for concrete resilience - Google Patents
Intelligent ultrasonic integral tester for concrete resilience Download PDFInfo
- Publication number
- CN2065324U CN2065324U CN89220519U CN89220519U CN2065324U CN 2065324 U CN2065324 U CN 2065324U CN 89220519 U CN89220519 U CN 89220519U CN 89220519 U CN89220519 U CN 89220519U CN 2065324 U CN2065324 U CN 2065324U
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- China
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- single card
- card microcomputer
- switch
- ultrasonic
- resilience
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- 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
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to an ultrasonic integral tester for concrete resilience, an intelligentized instrument used for building enterprises in detecting concrete quality. The tester adopts microprocessing unit technology to achieve automatical acquisition, storage, separate handling and integral handling, being adequate for the integral ultrasonic and resilience detection on the concrete quality and used as an instrument for single item detection on resilience or ultrasonic. Simultaneously, due to the functions of program interpretating head wave, waveform printing, wave speed computing, frequency and spectral analysis arranged in the ultrasonic detection, this tester, therefore, can detect concrete strength and defects as well, and enhances the detecting accuracy.
Description
The present invention is used for the intellectual instrument that building industry detects concrete quality.
At present, general reisilometer and Ultrasound Instrument leaned in the detection of concrete quality both at home and abroad, domestic reisilometer is pure physical construction, it is by vernier graduation chi sense data by the displacement after the rebound hammer attack on the reisilometer that concrete strength is detected, again through manually calculating measurement result, existing Ultrasound Instrument does not all have intelligent device, and the calculating of velocity of wave must be by manually finishing, and above-mentioned traditional detection method causes that error is big, efficient is low and labour intensity is big.
The objective of the invention is to develop a kind of detection to concrete quality adopted the microprocessor technology realized to rebound value and ultrasound data automatic collection, storage, handle and overall treatment respectively, be specially adapted to the resilience to concrete quality, ultrasonic comprehensive detection, also can be used as the Artificial Intelligence Instrument use that resilience or ultrasonic individual event detect simultaneously.Program interpretation Mintrop wave, waveform are printed, velocity of wave calculates and the spectrum analysis function owing to have in Ultrasonic Detection, therefore it not only is suitable for detecting concrete strength and also is applicable to its defective is detected, multiple functional, improved accuracy of detection and work efficiency, reduce labor intensity.
The present invention finishes by following steps: see accompanying drawing (1), this detector comprises: ultrasound acquisition processing section (3), combined echocardiography acquisition process part (4), comprehensive resilience acquisition interface part (5), TP801 single card microcomputer part (6), printout part (8), it is characterized in that: according to the program of resilience, ultrasonic, comprehensive detection function selecting part (1), select to start resilience acquisition interface part (2), ultrasound acquisition processing section (3), combined echocardiography acquisition process part (4); The ultrasonic interface section (7) that connects ultrasound acquisition processing section (3) and TP801 single card microcomputer part (6).See accompanying drawing 2, the single emission ultrasonic circuit in the said ultrasound acquisition processing section (3) is the spike pulse de-energisation ultrasound emission transducer that produces a crest voltage 400-1000V, makes it to produce the ultrasound wave of certain frequency.Receive the ultrasonic reception transducer when receiving when passing the ultrasonic signal of test specimen, convert thereof into electric signal, give attenuator again after the amplifier amplification, deliver to high-speed a/d converter, become the digital quantity form.Digital signal after the conversion is through tri-state switch, and one the tunnel sends into RAM memory, a tunnel sends into D/A converter and be recovered to electric signal again, can be for the oscillograph monitoring; Clock generator and electrically controlled clock circuit produce clock signals of different frequencies and control signal, and the clock and the conversion starting signal of A/D converter is provided, and writing of RAM memory controlled signal and read to control signal.
In order to guarantee accurately to judge that ultrasound wave propagates required time in test specimen, when radiating circuit began to launch driving pulse, a triggering synchronous signal took place, after amplifying shaping, the RAM memory is put control circuit for writing attitude.Guarantee carrying out synchronously of emission and storage.Writing attitude, tri-state switch is opened, and the output of A/D converter can be written in the RAM memory one by one, and promptly received signal deposits in the RAM memory with the form of digital quantity.When the RAM memory had been write 1024 bytes, 11 binary counters sent signal and control circuit are transferred to read attitude.Tri-state switch disconnects, and the content of storing in the RAM memory is played back on the data line more successively.This playback state will be sustained.Signal on the data line becomes electric signal by D/A converter, will have continuous waveform to exist on the oscillograph, and till launching pumping signal more for the second time, beginning is gathered and storage for the second time.The vernier monostable circuit produces the adjustable square-wave signal of pulse width and is used for manually surveying the Mintrop wave first arrival point of reading to receive, ten advance to count display circuit, can survey and read ultrasound wave and begin to arrive the included sampling number of starting point of ripple to first from emission, A/D converter is finished and once changed the needed time is sampling interval, it is multiplied by sampling number, is ultrasound wave and propagates needed time t in measured piece.
See that accompanying drawing 4 said resiliences, ultrasonic, comprehensive function select in the part (1), comprise the EPROM1 memory of the MUX code translator that is used to expand TP801 single card microcomputer input/output interface, digital simulation switch D1, not circuit D2, a functional select switch S1, a storage primary control program.The described input end (A, B, C, G2A, G1) that is used to expand the MUX code translator of TP801 single card microcomputer input/output interface connects the address wire of TP801 single card microcomputer, the IOR end that input end (G2B) connects the TP801 single card microcomputer respectively, its any one output terminal is through not circuit D2, connect the control end (C) of digital simulation switch D1 after anti-phase, any two input ends (I1, I2) of D1 are the fixed point of connection function selector switch S1 respectively, moving the ground connection of S1, the output terminal of D1 (Q1, Q2) connects respectively on any two data lines of TP801 single card microcomputer.
Interface chip between functional select switch S1 and the TP801 single card microcomputer is analog switch D1.The input end of D1 (I1, I2) connects two fixed points of S1 respectively, on behalf of one of Ultrasonic Detection, these two one of fixed point represent ultrasonic, the resilience comprehensive detection of unsettled some representative of resilience detection, S1, and the input end of MUX code translator (A, B, C, G2A, G1) has determined the port address of D1.D2 is for the output paraphase of MUX code translator is removed to open analog switch D1 again, CPU visit EPROM1 memory when the TP801 single card microcomputer is received fill order, EPROM1 order CPU interpretation function selecting I/O mouth, at this moment, D1 is open-minded, link to each other with the input end (I2) of D1 when S1 selects the Ultrasonic Detection position, this moment, I2 was a low level, and the output terminal of Dui Ying D1 (Q2) also is a low level with it.Can turn to data processing automatically by program in view of the above to Ultrasonic Detection.S1 switch itself has just guaranteed to occur simultaneously selecting the situation of two kinds of working methods, and when two data lines that link to each other with D1 all are not low levels, then Automatic Program turns to the processing to ultrasonic, resilience, comprehensive detection.
See accompanying drawing 5, just can find out to comprise monostalbe trigger D3, a not circuit D2, an EPROM2 memory, outer timing resistor R1, the outer timing capacitor C1 that pulse width is adjustable in the said ultrasonic interface section (7).The input end (Tr) of the monostalbe trigger D3 that pulse width is adjustable connects (ARDY) end of TP801 single card microcomputer PIO, the output terminal of D3 (Q) connects the external clock input end of reading control circuit in the said ultrasound acquisition processing section (3), and to put the RAM memory be read states, the data line of RAM links to each other with the PAO to PA7 of TP801 single card microcomputer PIO respectively, (ASTB) end of the CS termination PIO of RAM memory.
When primary control program went to Ultrasonic Detection, CPU was set to input mode by visit EPROM2 with the A mouth of PIO, and makes ARDY effective.ARDY makes the output terminal (Q) of D3 have the adjustable square pulse of certain width to produce, and sees accompanying drawing 2, as the external clock input signal of reading control circuit.The chip selection signal of the RAM memory in the accompanying drawing 2 is delivered to (ASTB) end of TP801 single card microcomputer again, can make the data latching on the RAM memory data line go into the data input register of PIO, and then read in by CPU in the RAM memory of TP801 single card microcomputer appointment.Go round and begin again, finish to a byte of a byte transmission of whole image data.
In described resilience acquisition interface part (2), comprise the rebound value high-speed a/d converter, rebound hammer, slide potentiometer W1, W2, W3, resistor R 3, R4 and+reference voltage-regulating circuit that the 5V power supply is formed, the EPROM3 memory of storage rebound value and rebound value data processor, the analog switch D4 that the attack angle is selected, switch S 2, the analog switch D5 that the test specimen char depth is selected, switch S 3, potentiometer W1 is contained on the rebound hammer, the sliding end of W1 is connected on said high-speed a/d converter positive input terminal (VIN), the end of W1 is connected with the end of W2, ground connection after the other end of W2 links to each other with the sliding end of W2, another termination R3 one end of W1, the end of another termination R4 of R3 also links to each other with W3 one end, the anode of another termination+5V power supply of R4, the reference voltage input terminal (VREF) of the slip termination A/D converter of W3, the other end ground connection of W3, the data line of A/D converter links to each other with TP801 single card microcomputer data line, the sheet choosing end (CS) of A/D converter can directly link to each other with the I/O that the TP801 single card microcomputer provides, input end (the I1 of analog switch D4, I2, I3, I4) connect four fixed points of switch S 2 respectively, output terminal (the Q1 of D4, Q2, Q3, Q4) connect the low four figures of TP801 single card microcomputer respectively according to line, moving ground connection of switch S 2, input end (the I1 of D5, I2, I3, I4) connect four fixed points of switch S 3 respectively, output terminal (the Q1 of D5, Q2, Q3, Q4) connect the high four figures of TP801 single card microcomputer respectively according to line, moving ground connection of switch S 3 connects the I/O mouth that the TP801 single card microcomputer provides after the control end (C) of D4 and D5 links to each other.
See accompanying drawing 3, the mechanical displacement that produces during with the rebound hammer attack by potentiometer W1 converts electric signal to, high-speed a/d converter becomes digital signal to send into single card microcomputer this electrical signal conversion, and attack angle A and char depth L can be by the single card microcomputer interpretations by special-purpose interface circuit.The demonstration of rebound value, printing and the data processing of one group of rebound value and rebound strength calculated finish by the TP801 single card microcomputer.The function that single card microcomputer is carried out is by the program decision that is stored in the EPROM memory.
See accompanying drawing 6, W1 converts the displacement of rebound value to electric weight, and the size of its output signal is the dried rebound value of direct ratio.By R3, R4, W4 and+circuit that the 5V power supply is formed provides the voltage of W1 and the reference voltage of A/D converter on the one hand, is used to adjust the corresponding relation between W1 and the rebound value on the one hand, the clock frequency of A/D converter is by the parameter decision of R2 and C2.The chip selection signal of A/D is provided by single card microcomputer, and the data line of A/D converter directly links to each other with the data line of TP801 single card microcomputer.When A/D converter was activated, the output signal of W1 was converted to the corresponding digital amount by A/D, delivered on the data line of TP801 single card microcomputer, and CPU deposits data in by visit EPROM3 memory the memory cell of appointment again.
D4, D5 two-digit analog switch are the interface chips that the char depth L of angle A during with the rebound hammer attack and test specimen connects.The input end of D4 (I1, I2, I3, I4) connects four fixed points of the selector switch S2 of angle A=45 °, 90 ° ,-45 ° ,-90 ° of indication attacks respectively.Their situations when representing L=0, L=1, L=2, L=4 respectively of four of S3 fixed points, four output terminals (Q1, Q2, Q3, Q4) of D5 connect other four data lines of TP801 single card microcomputer, moving the ground connection of switch S 2 and S3.The control end that D4, D5 open (C) connects the I/O mouth that the TP801 single card microcomputer provides, by instruction control.When CPU read this I/O mouth, D4, D5 were open-minded.The state of switch S 2, S3 has promptly determined the state of respective data lines, and as when switch S 2 selects the attack angle to be 90 °, the input end of D4 (L1) end is low level, and the output terminal of D4 (Q1) also is a low level.Can declare the attack angle of knowing rebound hammer in view of the above is 90 °, and the state of switch S 2 and S3 is then by artificial preliminary election.
Advantage of the present invention is: this detector adopted microprocessing realized to rebound value and ultrasound data automatic collection, storage, handle and overall treatment respectively, be specially adapted to ultrasonic, resilience comprehensive detection, also can be used as the Artificial Intelligence Instrument use that resilience or ultrasonic individual event detect simultaneously concrete quality.Program interpretation Mintrop wave, waveform are printed, velocity of wave calculates and the spectrum analysis function owing to have in Ultrasonic Detection, therefore it not only is suitable for measuring concrete strength, also is suitable for its defective is detected, and is multiple functional, improved accuracy of detection and work efficiency, reduced labor intensity.
Accompanying drawing 1, system block diagram
Accompanying drawing 2, Ultrasonic Detection block scheme
Accompanying drawing 3, resilience detection side block diagram
Accompanying drawing 4, measuring ability are selected the part logical diagram
Accompanying drawing 6, resilience collection, conversion and interface section logical diagram
Embodiment: in realizing the present invention, slide potentiometer W1, W2, W3 in the described resilience acquisition interface part (2) must be linear potentiometers.
Claims (7)
1, the ultrasonic comprehensive detector of intellectual concrete springback, this detector comprises: ultrasound acquisition processing section (3), combined echocardiography acquisition process part (4), comprehensive resilience acquisition interface part (5), TP801 single card microcomputer part (6), printout part (8) is characterized in that: according to the program of resilience, ultrasonic, comprehensive detection function selecting part (1), select to start resilience acquisition interface part (2), ultrasound acquisition processing section (3), combined echocardiography acquisition process part (4); The ultrasonic interface section (7) that connects ultrasound acquisition processing section (3) and TP801 single card microcomputer part (6).
2, according to the detector described in the claim 1, it is characterized in that, its resilience, ultrasonic, comprehensive function are selected in the part (1), comprise that the MUX that is used to expand TP801 single card microcomputer input/output interface selects a yard device, digital simulation switch D1, not circuit D2, a functional select switch S1, a storage primary control program EPROM1 memory.
3, according to the described detector of claim 2, it is characterized in that said resilience, ultrasonic comprehensive function selects being used in the part (1) to expand the input end (A of the MUX code translator of TP801 single card microcomputer input/output interface, B, C, G2A, G1) connect the address wire of TP801 single card microcomputer respectively, another input end (G2B) connects the IOR end of TP801 single card microcomputer, its any one output terminal connects the control end (C) of digital simulation switch D1 after not circuit D2 is anti-phase, any two input end (I1 of D1, I2) fixed point of difference connection function selector switch S1, moving the ground connection of S1, the output terminal (Q1 of D1, Q2) connect respectively on any two data lines of TP801 single card microcomputer.
4, according to the detector described in the claim 1, it is characterized in that, comprise monostalbe trigger D3, a not circuit D2, an EPROM2 memory, outer timing resistor R1, the outer timing capacitor C1 that pulse width is adjustable in its ultrasonic interface section (7).
5, according to the detector described in the claim 1,4, it is characterized in that the input end (Tr) of the monostalbe trigger D3 that pulse width in the said ultrasonic interface section (7) is adjustable connects (ARDY) end of TP801 single card microcomputer PIO, the external clock input end of reading control circuit that the output terminal of D3 (Q) connects in the said ultrasound acquisition processing section (3) is put the RAM memory for reading attitude, the RAM data line links to each other with the PAO to PA7 of TP801 single card microcomputer PIO respectively, (ASTB) end of the CS termination PIO of RAM memory.
6, according to the detector described in the claim 1, it is characterized in that, comprise rebound value high-speed a/d converter, rebound hammer, slide potentiometer W1, W2, W3 in its resilience acquisition interface part (2), resistor R 3, R4 and+the EPROM3 memory of reference voltage-regulating circuit, storage rebound value and rebound value data processor that the 5V power supply is formed, analog switch D4, the switch S 2 that the attack angle is selected, analog switch D5, switch S 3 that the test specimen char depth is selected.
7, according to the detector described in the claim 6, it is characterized in that said potentiometer W1 is contained on the rebound hammer, the sliding end of W1 is connected on said high-speed a/d converter positive input terminal (VIN), and the end of W1 is connected with the end of W2, ground connection after the other end of W2 links to each other with the sliding end of W2.Another termination R3 one end of W1, the end of another termination R4 of R3 also links to each other with the end of W3, the anode of another termination+5V power supply of R4, the reference voltage input terminal (VREF) of the slip termination A/D converter of W3, the other end ground connection of W3, the data line of A/D converter links to each other with TP801 single card microcomputer data line, the sheet choosing end (CS) of A/D converter can directly link to each other with the I/O mouth that the TP801 single card microcomputer provides, input end (the I1 of analog switch D4, I2, I3, I4) connect four fixed points of switch S 2 respectively, output terminal (the Q1 of D4, Q2, Q3, Q4) connect the low four figures of TP801 single card microcomputer respectively according to line, moving ground connection of switch S 2, input end (the I1 of D5, I2, I3, I4) connect four fixed points of switch S 3 respectively, output terminal (the Q1 of D5, Q2, Q3, Q4) connect the high four figures of TP801 single card microcomputer respectively according to line, moving ground connection of switch S 3 connects the I/O mouth that the TP801 single card microcomputer provides after the control end (C) of D4 and D5 links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN89220519U CN2065324U (en) | 1989-11-29 | 1989-11-29 | Intelligent ultrasonic integral tester for concrete resilience |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN89220519U CN2065324U (en) | 1989-11-29 | 1989-11-29 | Intelligent ultrasonic integral tester for concrete resilience |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2065324U true CN2065324U (en) | 1990-11-07 |
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ID=4875179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89220519U Expired - Lifetime CN2065324U (en) | 1989-11-29 | 1989-11-29 | Intelligent ultrasonic integral tester for concrete resilience |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2065324U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392393C (en) * | 2004-06-03 | 2008-06-04 | 太原理工大学 | Non-destructive determining method for early strength of concrete |
| CN100399369C (en) * | 2006-08-03 | 2008-07-02 | 长安大学 | Ultrasonic signal sampler for network concrete |
| CN108534842A (en) * | 2018-07-06 | 2018-09-14 | 浙江正展工程项目管理有限公司 | A kind of building structure multi-tester |
| CN111999195A (en) * | 2020-08-27 | 2020-11-27 | 福建省永富建设集团有限公司 | Nondestructive testing system for structural defects of concrete |
-
1989
- 1989-11-29 CN CN89220519U patent/CN2065324U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392393C (en) * | 2004-06-03 | 2008-06-04 | 太原理工大学 | Non-destructive determining method for early strength of concrete |
| CN100399369C (en) * | 2006-08-03 | 2008-07-02 | 长安大学 | Ultrasonic signal sampler for network concrete |
| CN108534842A (en) * | 2018-07-06 | 2018-09-14 | 浙江正展工程项目管理有限公司 | A kind of building structure multi-tester |
| CN111999195A (en) * | 2020-08-27 | 2020-11-27 | 福建省永富建设集团有限公司 | Nondestructive testing system for structural defects of concrete |
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