CN204479515U - With the air valve Special pulse eddy current flaw detec that ultrasonic assistant detects - Google Patents
With the air valve Special pulse eddy current flaw detec that ultrasonic assistant detects Download PDFInfo
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- CN204479515U CN204479515U CN201520159450.5U CN201520159450U CN204479515U CN 204479515 U CN204479515 U CN 204479515U CN 201520159450 U CN201520159450 U CN 201520159450U CN 204479515 U CN204479515 U CN 204479515U
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Abstract
The utility model provides the air valve Special pulse eddy current flaw detec detected with ultrasonic assistant.By ultrasonic pulse exciting unit, the first electric pulse reception, amplifier circuit unit, computing machine, printer and external memory storage, logic control operation circuit unit, micro-processor interface circuit unit, the second electric pulse reception, amplifier circuit unit and eddy current exciting unit built-up circuit.The instrumentation that the utility model is made up of Pulsed eddy current testing and ultrasound examination two kinds of methods, EDDY CURRENT valve port, ultrasound examination valve rod, avoids existing eddy current detecting equipment and detects the false alarm produced when air valve produces, effectively can complete the detection of air valve surface imperfection.The suitable instrument as UT (Ultrasonic Testing) uses.
Description
Technical field
The utility model provides the air valve Special pulse eddy current flaw detec detected with ultrasonic assistant in detecting instrument field.
Background technology
Air valve is the special workpiece of a kind of profile, due to the singularity of air valve applied environment, and the valve port of air valve and valve rod is many is made up of material not of the same race.Eddy current test occurs because the difference of conductivity has false alarm in unlike material junction, and cannot avoid.
Summary of the invention
In order to can all detect a flaw position, the utility model provides the air valve Special pulse eddy current flaw detec detected with ultrasonic assistant.This defectoscope passes through on circuit, be connected with eddy current exciting unit, the technical matters that solution object different metal and transition face are detected a flaw comprehensively.
The scheme that the utility model technical solution problem adopts is:
By ultrasonic pulse exciting unit, the first electric pulse reception, amplifier circuit unit, computing machine, printer and external memory storage, logic control operation circuit unit, micro-processor interface circuit unit, the second electric pulse reception, amplifier circuit unit and eddy current exciting unit built-up circuit.
Wherein, ultrasonic pulse exciting unit produces ultrasound wave;
Wherein, electric pulse receives, amplifier circuit unit suppresses circuit by reception of impulse, controllable-gain circuit, detecting circuit, and analog to digital conversion circuit forms;
Wherein, computing machine, printer and external memory storage are as outside output device;
Wherein, logic control operation circuit unit by controlling of sampling computing circuit, sampling memory, display control circuit form;
Wherein, micro-processor interface circuit unit by interface circuit, microprocessor, supply voltage supervision, keyboard control circuit, real-time clock, nonvolatile memory form;
Wherein, electric pulse receives, amplifier circuit unit suppresses circuit by reception of impulse, controllable-gain circuit, detecting circuit, and analog to digital conversion circuit forms;
Wherein, eddy current exciting unit is the unit producing eddy current.
The signal coming from controlling of sampling computing circuit is input to ultrasonic pulse exciting unit, produce ultrasonic signal, ultrasonic signal receives at the first electric pulse, suppress circuit by reception of impulse successively in amplifier circuit unit, controllable-gain circuit, detecting circuit, ultrasonic signal is passed to controlling of sampling computing circuit by analog to digital conversion circuit again.
Ultrasonic signal is passed to sampling memory and display control circuit and display-memory respectively by the ultrasonic signal that controlling of sampling computing circuit obtains in logic control operation circuit unit, wherein sampling memory and display-memory and controlling of sampling computing circuit information interaction.
In micro-processor interface circuit unit, microprocessor is housed, supply voltage supervision, keyboard control circuit, real-time clock, nonvolatile memory is respectively microprocessor transmission of signal, the signal coming from controlling of sampling computing circuit is outwards outputed signal by microprocessor and interface circuit, is stored or show and print sample information by computing machine, printer and external memory storage.
In the second electric pulse reception, amplifier circuit unit, the electric signal coming from controlling of sampling computing circuit inputs to analog to digital conversion circuit and eddy current exciting unit, and the electric signal of eddy current exciting unit suppresses circuit by reception of impulse successively, controllable-gain circuit, detecting circuit, analog to digital conversion circuit.
Good effect, the instrumentation that the utility model is made up of Pulsed eddy current testing and ultrasound examination two kinds of methods, EDDY CURRENT valve port, ultrasound examination valve rod, avoid existing eddy current detecting equipment and detect the false alarm produced when air valve produces, effectively can complete the detection of air valve surface imperfection.The suitable instrument as UT (Ultrasonic Testing) uses.
Accompanying drawing explanation
Fig. 1 is the utility model circuit diagram
In figure, 101. ultrasonic pulse exciting units, 102. receptions of impulse suppress circuit, 103. controllable-gain circuit, 104. detecting circuit, 105. analog to digital conversion circuit, 106. computing machine, printer and external memory storage, 107. interface circuit, 108. microprocessor, 109. supply voltage supervision, 110. keyboard control circuit, 111. real-time clock, 112. nonvolatile memory, 113. controlling of sampling computing circuits, 114. sampling memory, 115. display control circuit, 116. display-memory, 117. first electric pulses receive, amplifier circuit unit, 118. logic control operation circuit unit, 119. micro-processor interface circuit unit, 120. receptions of impulse suppress circuit, 121. controllable-gain circuit, 122. detecting circuit, 123. analog to digital conversion circuit, 124. second electric pulses receive, amplifier circuit unit, 125. eddy current exciting units.
Embodiment
According to the figure, by the reception of ultrasonic pulse exciting unit 101, first electric pulse, amplifier circuit unit 117, computing machine, printer and external memory storage 106, the reception of logic control operation circuit unit 118, micro-processor interface circuit unit 119, second electric pulse, amplifier circuit unit 124 and eddy current exciting unit 125 built-up circuit.
Wherein, ultrasonic pulse exciting unit produces ultrasound wave;
Wherein, electric pulse receives, amplifier circuit unit suppresses circuit 102 by reception of impulse, controllable-gain circuit 103, detecting circuit 104, and analog to digital conversion circuit 105 forms;
Wherein, computing machine, printer and external memory storage are as outside output device;
Wherein, logic control operation circuit unit by controlling of sampling computing circuit 113, sampling memory 114, display control circuit 115 forms;
Wherein, micro-processor interface circuit unit by interface circuit 107, microprocessor 108, supply voltage supervision 109, keyboard control circuit 110, real-time clock 111, nonvolatile memory 112 forms;
Wherein, electric pulse receives, amplifier circuit unit suppresses circuit 120 by reception of impulse, controllable-gain circuit 121, detecting circuit 122, and analog to digital conversion circuit 123 forms;
Wherein, eddy current exciting unit is the unit producing eddy current.
The signal coming from controlling of sampling computing circuit is input to ultrasonic pulse exciting unit, produce ultrasonic signal, ultrasonic signal receives at the first electric pulse, suppress circuit by reception of impulse successively in amplifier circuit unit, controllable-gain circuit, detecting circuit, ultrasonic signal is passed to controlling of sampling computing circuit by analog to digital conversion circuit again.
Ultrasonic signal is passed to sampling memory and display control circuit and display-memory 116 respectively by the ultrasonic signal that controlling of sampling computing circuit obtains in logic control operation circuit unit, wherein sampling memory and display-memory and controlling of sampling computing circuit information interaction.
In micro-processor interface circuit unit, microprocessor is housed, supply voltage supervision, keyboard control circuit, real-time clock, nonvolatile memory is respectively microprocessor transmission of signal, the signal coming from controlling of sampling computing circuit is outwards outputed signal by microprocessor and interface circuit, is stored or show and print sample information by computing machine, printer and external memory storage.
In the second electric pulse reception, amplifier circuit unit, the electric signal coming from controlling of sampling computing circuit inputs to analog to digital conversion circuit and eddy current exciting unit, and the electric signal of eddy current exciting unit suppresses circuit by reception of impulse successively, controllable-gain circuit, detecting circuit, analog to digital conversion circuit.
In the circuit of defectoscope, access eddy current exciting unit, can produce eddy current ultrasound wave, eddy current ultrasound wave can be detected a flaw to different metal.
Claims (1)
1. with the air valve Special pulse eddy current flaw detec that ultrasonic assistant detects, it is characterized in that: by ultrasonic pulse exciting unit (101), the first electric pulse reception, amplifier circuit unit (117), computing machine, printer and external memory storage (106), logic control operation circuit unit (118), micro-processor interface circuit unit (119), the second electric pulse reception, amplifier circuit unit (124) and eddy current exciting unit (125) built-up circuit;
Described ultrasonic pulse exciting unit produces ultrasound wave;
Described electric pulse receives, amplifier circuit unit suppresses circuit (102) by reception of impulse, controllable-gain circuit (103), detecting circuit (104), and analog to digital conversion circuit (105) forms;
Described computing machine, printer and external memory storage are as outside output device;
Described logic control operation circuit unit by controlling of sampling computing circuit (113), sampling memory (114), display control circuit (115) form;
Described micro-processor interface circuit unit by interface circuit (107), microprocessor (108), supply voltage supervision (109), keyboard control circuit (110), real-time clock (111), nonvolatile memory (112) form;
Described electric pulse receives, amplifier circuit unit suppresses circuit (120) by reception of impulse, controllable-gain circuit (121), detecting circuit (122), and analog to digital conversion circuit (123) forms;
Described eddy current exciting unit is the unit producing eddy current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520159450.5U CN204479515U (en) | 2015-03-20 | 2015-03-20 | With the air valve Special pulse eddy current flaw detec that ultrasonic assistant detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520159450.5U CN204479515U (en) | 2015-03-20 | 2015-03-20 | With the air valve Special pulse eddy current flaw detec that ultrasonic assistant detects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204479515U true CN204479515U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520159450.5U Active CN204479515U (en) | 2015-03-20 | 2015-03-20 | With the air valve Special pulse eddy current flaw detec that ultrasonic assistant detects |
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| CN (1) | CN204479515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807169A (en) * | 2017-11-29 | 2018-03-16 | 辽宁红阳检测有限公司 | A kind of Diesel Engine's Air Valve failure detector |
| CN113588790A (en) * | 2021-08-02 | 2021-11-02 | 常州超声电子有限公司 | Air valve ultrasonic flaw detection equipment |
-
2015
- 2015-03-20 CN CN201520159450.5U patent/CN204479515U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807169A (en) * | 2017-11-29 | 2018-03-16 | 辽宁红阳检测有限公司 | A kind of Diesel Engine's Air Valve failure detector |
| CN113588790A (en) * | 2021-08-02 | 2021-11-02 | 常州超声电子有限公司 | Air valve ultrasonic flaw detection equipment |
| CN113588790B (en) * | 2021-08-02 | 2024-05-31 | 常州超声电子有限公司 | Ultrasonic flaw detection equipment for air valve |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |