CN201247226Y - Wireless ultrasonic inspection sensor - Google Patents
Wireless ultrasonic inspection sensor Download PDFInfo
- Publication number
- CN201247226Y CN201247226Y CNU2008201904234U CN200820190423U CN201247226Y CN 201247226 Y CN201247226 Y CN 201247226Y CN U2008201904234 U CNU2008201904234 U CN U2008201904234U CN 200820190423 U CN200820190423 U CN 200820190423U CN 201247226 Y CN201247226 Y CN 201247226Y
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Abstract
The utility model relates to a wireless ultrasonic defect detection sensor, which belongs to the field of the ultrasonic detection, wherein the output end of an ultrasonic probe is connected with the input end of an ultrasonic transmitting and receiving unit, the output end of the ultrasonic transmitting and receiving unit is connected with the input ends of an A/D converter and a storage unit, the output ends of the A/D converter and the storage unit are connected with the input end of a microprocessor unit, and the output end of the microprocessor unit is connected with the input end of a wireless receiving and transmitting unit. A metallic shielding box 2 integrates the ultrasonic transmitting and receiving unit, the A/D converter, the storage unit and the microprocessor unit, the wireless transmission technique is adopted, which furthest prevents a magnetic field from interfering measuring signals, and the precision of the measuring signals is high. The sensor not only can be used for the defect detection of supporting insulators and insulators in an electronic system, but also can be used for other ultrasonic fields which operators are inconveniently close to.
Description
Technical field
The utility model relates to a kind of flaw detection measurement mechanism to electrical equipment, more particularly is meant a kind of wireless ultrasonic flaw detection sensor that charged flaw detection is measured that carries out.。
Background technology
A large amount of support insulators that use adopt electroporcelain material more in the electric system, because the material problem of porcelain vase itself, mucilage binding are controlled bad, under long-time running, that pillar porcelain insulator can be subjected to is cement and expanded, the phenomenon of porcelain insulator breaking appears in the effect of the temperature difference, operation, freezing equal stress, a lot of support insulator fractures once took place and cause the maintainer to fall dead accident in state net company, had had a strong impact on the safe and stable operation of electrical network.
In traditional technology, common ripple and the measuring method of detecting a flaw such as ripple in length and breadth of climbing measured in the charged flaw detection of support insulator, but climb ripple and can only detect ability the defective on nearly surface, shear wave is general also only to be checked the indivedual positions to support insulator, two all are difficult to determine defects property, can't accomplish comprehensively effectively check.
Chinese patent notification number CN1690703A, the invention in November 2 2005 day for announcing has disclosed a kind of support insulator and porcelain bushing ultrasonic wave defects detecting technology method, this conceptual design has support insulator and porcelain bushing ultrasonic wave dedicated probe, what this probe adopted is the ultrasound wave principle, frequency is 2.5 million, the refraction angle is 10.5 °--19.5 ° it have the display screen UNICOM of a plug and instrument, with the spill plexiglass block and the identical test of sliding of measured object of this probe, judge according to different waveforms whether support insulator has damage then.But, what this invention was disclosed exists following weak point to support insulator and porcelain bushing ultrasonic wave defects detecting technology method: though be to have adopted hyperacoustic method of detection, the transmission of signal and demonstration realize that by cable equipment volume is bigger, use extremely inconvenient, when the technician measured, the cat ladder of need climbing to a higher point carried out live line measurement, operation is absolutely unsafe, particularly such device is worked under the strong-electromagnetic field environment, and signal is interfered, and result of use is undesirable or can't use at all.And this method is carried out charged flaw detection to support insulator and is measured the influence that also is subjected to weather, must use insulating ladder when weather is fine, and insulated shoes and insulating glove just can detect.
Summary of the invention:
The purpose of this utility model is inconvenient in order to overcome the prior art operation, poor stability, and detection signal disturbs big defective and deficiency, provides a kind of volume I to carry out the wireless ultrasound wave sensor of live line measurement.But its strong interference immunity, signal is true and reliable, and is easy to operate, and security is good.
For realizing above-mentioned technical purpose, the technical solution that provides of the present utility model is: a kind of wireless ultrasonic flaw detection sensor, comprise ultrasonic probe, it is characterized in that: the output terminal of ultrasonic probe is connected with the input end of ultrasonic emitting receiving element, the output terminal of ultrasonic emitting receiving element is connected with the input end of A/D converter and storage unit, the output terminal of A/D converter and storage unit is connected with the input end of microprocessor unit, and the output terminal of microprocessor unit is connected with the incoming end of wireless transmit/receive units.
The control end of described microprocessor unit has lead to be connected with the control end of ultrasonic emitting receiving element.
The ultrasonic emitting receiving element, A/D converter and storage unit and microprocessor unit all are contained in the airtight metallic shield box, the metallic shield box is provided with a line hole and a through wires hole, the input end of ultrasonic emitting receiving element has lead warp hole to be connected with the output terminal of ultrasonic probe, and the output terminal of microprocessor unit has lead to be connected with the incoming end of wireless transmit/receive units through through wires hole.
Described ultrasonic probe, ultrasonic emitting receiving element, A/D converter and storage unit and microprocessor unit all are contained in the airtight metallic shield box, corresponding ultrasonic probe is provided with perforate on the metallic shield box, also be provided with a through wires hole on the metallic shield box, the output terminal of microprocessor unit has lead to be connected with the incoming end of wireless transmit/receive units through through wires hole.
Described ultrasonic emitting receiving element, A/D converter and storage unit, microprocessor unit and radio receiving unit all are contained in the airtight metallic shield box, the metallic shield box is provided with line hole and antenna perforation, the input end of ultrasonic emitting receiving element has lead warp hole to be connected with the output terminal of ultrasonic probe, the outside that the antenna of radio receiving unit stretches out the metallic shield box by the antenna perforation.
Described ultrasonic probe, ultrasonic emitting receiving element, A/D converter and storage unit, microprocessor unit and radio receiving unit all are contained in the airtight metallic shield box, corresponding ultrasonic probe is provided with perforate on the metallic shield box, also be provided with the antenna perforation on the metallic shield box, the outside that the antenna of radio receiving unit stretches out the metallic shield box by the antenna perforation.
The end of probe of described ultrasonic probe is stretched out the outside of perforate on the metallic shield box.
The beneficial effects of the utility model are: 1. do not have between the utility model and the signal Processing display and be electrically connected, what adopt is Radio Transmission Technology, display need not to move near support insulator and the insulator, can carry out the branch folding and the processing of signal on ground, and is easy to use.2. sensor bulk is little, can be bundled on the insulating bar insulator is detected, and the cat ladder of need not climbing to a higher point is to support insulator and insulator position, detect the influence that is not subjected to weather, safe and convenient, be very beneficial for the technician and carry out testing, improved work efficiency widely.3. the utility model has adopted the metal shell shield technology, has avoided the interference of electromagnetic field to measuring-signal to greatest extent, so, the degree of accuracy height of measuring-signal.The utility model not only can be used for the carrying out flaw detection of electric system B-C post insulator and insulator, also can be used for operating personnel and be not easy to other approaching Ultrasonic Detection occasions.
Description of drawings
Fig. 1 is the synoptic diagram of first kind of structure of the utility model;
Fig. 2 is the synoptic diagram of second kind of structure of the utility model;
Fig. 3 is the synoptic diagram of the third structure of the utility model;
Fig. 4 is the synoptic diagram of the 4th kind of structure of the utility model;
Fig. 5 is the principle of work synoptic diagram of Fig. 2;
Fig. 6 is the principle of work synoptic diagram of Fig. 4.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in detail:
Embodiment one
Extremely shown in Figure 6 as Fig. 1, a kind of wireless ultrasonic flaw detection sensor, comprise ultrasonic probe, the output terminal of ultrasonic probe is connected with the input end of ultrasonic emitting receiving element, the output terminal of ultrasonic emitting receiving element is connected with the input end of A/D converter and storage unit, the output terminal of A/D converter and storage unit is connected with the input end of microprocessor unit, and the output terminal of microprocessor unit is connected with the incoming end of wireless transmit/receive units.The control end of described microprocessor unit has a loop to be connected with the control end of ultrasonic emitting receiving element.Can carry out switch control to the ultrasonic emitting receiving element.
Embodiment two
As shown in Figure 1, the ultrasonic emitting receiving element, A/D converter and storage unit and microprocessor unit all are contained in the airtight metallic shield box 2, metallic shield box 2 is provided with a line hole 5 and a through wires hole 4, the input end of ultrasonic emitting receiving element has lead warp hole 5 to be connected with the output terminal of ultrasonic probe, and the output terminal of microprocessor unit has lead to be connected with the incoming end of wireless transmit/receive units through through wires hole 4.
Embodiment three
As Fig. 2, shown in Figure 5, described ultrasonic probe, ultrasonic emitting receiving element, A/D converter and storage unit and microprocessor unit all are contained in the airtight metallic shield box 2, corresponding ultrasonic probe is provided with perforate 1 on the metallic shield box 2, also be provided with a through wires hole 4 on the metallic shield box 2, the output terminal of microprocessor unit has lead to be connected with the incoming end of wireless transmit/receive units through through wires hole 4.The end of probe of described ultrasonic probe can also can be stretched out the outside of perforate 1 on the metallic shield box 2 from the close perforate 1 in the inside of metallic shield box 2.
Embodiment four
As shown in Figure 3, described ultrasonic emitting receiving element, A/D converter and storage unit, microprocessor unit and radio receiving unit all are contained in the airtight metallic shield box 2, metallic shield box 2 is provided with line hole 5 and antenna perforation 3, the input end of ultrasonic emitting receiving element has lead warp hole 5 to be connected with the output terminal of ultrasonic probe, and the antenna of radio receiving unit is by antenna perforation 3 outsides of stretching out metallic shield box 2.
Embodiment five
As Fig. 4, shown in Figure 6, described ultrasonic probe, ultrasonic emitting receiving element, A/D converter and storage unit, microprocessor unit and radio receiving unit all are contained in the airtight metallic shield box 2, corresponding ultrasonic probe is provided with perforate 1 on the metallic shield box 2, also is provided with antenna perforation 3 on the metallic shield box 2, and the antenna of radio receiving unit is by antenna perforation 3 outsides of stretching out metallic shield box 2.The end of probe of described ultrasonic probe can also can be stretched out the outside of perforate 1 on the metallic shield box 2 from the close perforate 1 in the inside of metallic shield box 2.
During measurement, technician's cat ladder of need not climbing to a higher point, only needing to use insulating bar that the wireless ultrasonic flaw detection sensor is aimed at measured support insulator scans, radio receiving unit passes the signal on the display on ground, and the people just can measure and diagnosed on the ground support insulator.
Claims (8)
1. wireless ultrasonic flaw detection sensor, comprise ultrasonic probe, it is characterized in that: the output terminal of ultrasonic probe is connected with the input end of ultrasonic emitting receiving element, the output terminal of ultrasonic emitting receiving element is connected with the input end of A/D converter and storage unit, the output terminal of A/D converter and storage unit is connected with the input end of microprocessor unit, and the output terminal of microprocessor unit is connected with the incoming end of wireless transmit/receive units.
2. a kind of wireless ultrasonic flaw detection sensor according to claim 1 is characterized in that: the control end of described microprocessor unit has lead to be connected with the control end of ultrasonic emitting receiving element.
3. a kind of wireless ultrasonic flaw detection sensor according to claim 1, it is characterized in that: the ultrasonic emitting receiving element, A/D converter and storage unit and microprocessor unit all are contained in the airtight metallic shield box (2), metallic shield box (2) is provided with a line hole (5) and a through wires hole (4), the input end of ultrasonic emitting receiving element has lead warp hole (5) to be connected with the output terminal of ultrasonic probe, and the output terminal of microprocessor unit has lead to be connected with the incoming end of wireless transmit/receive units through through wires hole (4).
4. a kind of wireless ultrasonic flaw detection sensor according to claim 1, it is characterized in that: described ultrasonic probe, ultrasonic emitting receiving element, A/D converter and storage unit and microprocessor unit all are contained in the airtight metallic shield box (2), metallic shield box (2) is gone up corresponding ultrasonic probe and is provided with perforate (1), also be provided with a through wires hole (4) on the metallic shield box (2), the output terminal of microprocessor unit has lead to be connected with the incoming end of wireless transmit/receive units through through wires hole (4).
5. a kind of wireless ultrasonic flaw detection sensor according to claim 4 is characterized in that: the end of probe of described ultrasonic probe is stretched out the outside that metallic shield box (2) is gone up perforate (1).
6. a kind of wireless ultrasonic flaw detection sensor according to claim 1, it is characterized in that: described ultrasonic emitting receiving element, A/D converter and storage unit, microprocessor unit and radio receiving unit all are contained in the airtight metallic shield box (2), metallic shield box (2) is provided with line hole (5) and antenna perforation (3), the input end of ultrasonic emitting receiving element has lead warp hole (5) to be connected with the output terminal of ultrasonic probe, and the antenna of radio receiving unit stretches out the outside of metallic shield box (2) by antenna perforation (3).
7. a kind of wireless ultrasonic flaw detection sensor according to claim 1, it is characterized in that: described ultrasonic probe, ultrasonic emitting receiving element, A/D converter and storage unit, microprocessor unit and radio receiving unit all are contained in the airtight metallic shield box (2), metallic shield box (2) is gone up corresponding ultrasonic probe and is provided with perforate (1), also be provided with antenna perforation (3) on the metallic shield box (2), the antenna of radio receiving unit stretches out the outside of metallic shield box (2) by antenna perforation (3).
8. a kind of wireless ultrasonic flaw detection sensor according to claim 7 is characterized in that: the end of probe of described ultrasonic probe is stretched out the outside that metallic shield box (2) is gone up perforate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201904234U CN201247226Y (en) | 2008-08-21 | 2008-08-21 | Wireless ultrasonic inspection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201904234U CN201247226Y (en) | 2008-08-21 | 2008-08-21 | Wireless ultrasonic inspection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201247226Y true CN201247226Y (en) | 2009-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201904234U Expired - Lifetime CN201247226Y (en) | 2008-08-21 | 2008-08-21 | Wireless ultrasonic inspection sensor |
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| Country | Link |
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| CN (1) | CN201247226Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487504A (en) * | 2013-09-26 | 2014-01-01 | 南通欧能达检测仪器有限公司 | Signal processing method for flaw detector |
| CN103983695A (en) * | 2014-05-30 | 2014-08-13 | 北京智博联科技有限公司 | Wireless nonmetal ultrasonic detecting system |
| CN106290572A (en) * | 2016-09-29 | 2017-01-04 | 国网福建省电力有限公司 | A kind of Substation Insulator wireless live crack detector |
| CN107894255A (en) * | 2017-11-17 | 2018-04-10 | 国网浙江省电力公司 | A kind of power distribution network running environment monitoring device |
-
2008
- 2008-08-21 CN CNU2008201904234U patent/CN201247226Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487504A (en) * | 2013-09-26 | 2014-01-01 | 南通欧能达检测仪器有限公司 | Signal processing method for flaw detector |
| CN103983695A (en) * | 2014-05-30 | 2014-08-13 | 北京智博联科技有限公司 | Wireless nonmetal ultrasonic detecting system |
| CN106290572A (en) * | 2016-09-29 | 2017-01-04 | 国网福建省电力有限公司 | A kind of Substation Insulator wireless live crack detector |
| CN107894255A (en) * | 2017-11-17 | 2018-04-10 | 国网浙江省电力公司 | A kind of power distribution network running environment monitoring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090527 |
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| CX01 | Expiry of patent term |