CN202502069U - Mini alternating current magnetic yoke flaw detector - Google Patents
Mini alternating current magnetic yoke flaw detector Download PDFInfo
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- CN202502069U CN202502069U CN2011204437955U CN201120443795U CN202502069U CN 202502069 U CN202502069 U CN 202502069U CN 2011204437955 U CN2011204437955 U CN 2011204437955U CN 201120443795 U CN201120443795 U CN 201120443795U CN 202502069 U CN202502069 U CN 202502069U
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Abstract
The utility model relates to a mini alternating current magnetic yoke flaw detector used for detecting cracks or damages of large valve bodies. The utility model includes a program-controlled inverter and a probe induction device connected with the program-controlled inverter. The program-controlled inverter employs a microprocessor to realize automatic recognition of probe types and automatic adjustment of working modes according to different probes. The mini alternating current magnetic yoke flaw detector is suitable for a plurality of types of probes such as a rotating magnetic field probe, a magnetic yoke type probe, a fillet weld probe and the like, helps to realize multiple purposes in one detector, uses an aviation probe, is suitable for a plurality of application environments, and has the design and the production corresponding to a special industry-required magnetic particle flaw detector.
Description
Technical field
The utility model relates to the magnetic powder flaw detector in a kind of detection technique field, especially relates to a kind of miniature interchange yoke defectoscope.
Background technology
Current; Magnetic powder inspection method at home and abroad each industrial circle has all obtained using widely, and the ultimate principle that magnetic detects is: when ferrimagnet was magnetized in magnetic field, material surface can make local magnetoconductivity change with the defective or the structural state variation on nearly surface; That is magnetic resistance increases; Thereby make corresponding distortion of magnetic flux in the magnetic circuit: a part of magnetic flux directly passes through defective, and a part of magnetic flux is walked around defective at material internal, and some magnetic flux can leave material surface; Walk around defective through air and get into defective more again, therefore form stray field at material surface.In general, surface crack is dark more, and the amplitude that leakage flux runs off material surface is high more, and is linear basically between them.At the stray field place; The material surface because the magnetic line of force is come in and gone out and form the two poles of the earth (S, the N utmost point) in the defective both sides, if when on this surface, spraying tiny ferromagnetic powder, place, surface leakage magnetic field can adsorb magnetic and form the magnetic trace; Demonstrate defect shape, this is the ultimate principle that magnetic detects.Domestic pressure container, pipeline inside and outside detecting instrument generally adopt hum bar electrical cables power supply, generation be D.C. magnetic field, skin effect is poor, detection sensitivity is low, usable range is narrow, external circuits is dangerous, easy omission.
The utility model content
The purpose of the utility model just is to provide a kind of easy to carry, safer, respond well miniature magnetic powder flaw detector.
The purpose of the utility model can realize through following measure:
The utility model comprises program controlled converter and is attached thereto the flaw detection probe that connects; Program controlled converter adopts microprocessor, realizes automatic identification probe type, is directed against different probes adjustment working methods automatically.Be applicable to polytypic probes such as rotating magnetic field probe, yoke formula probe, fillet weld probe.Realize a tractor serves several purposes, adopt aso probe (P20), be applicable to multiple probe, design is produced and is met the magnaflux that special trade requires.
The program controlled converter of the utility model adopts lithium battery to make the energy, after processing such as inversion, frequency conversion, phase shift, is transferred to the flaw detection probe.Especially adopt lithium battery to make the energy, after processing such as inversion, frequency conversion, phase shift, be transferred to the flaw detection probe.Once charging can guarantee continuous working more than 10 hours, had remedied the deficiency that the existing portable defectoscope in home market exists, and simple to operate, easy to carry, be widely used.
The program controlled converter of the utility model basis is regulated power grade automatically according to battery voltage value, shows working condition and battery undervoltage warning through automatic adjusting, liquid crystal digital.This equipment can be regulated power grade according to battery voltage value in the course of the work automatically, when the power grade of device automatic equipment can not be satisfied the demand, can show working condition and battery undervoltage warning through adjusting automatically, liquid crystal digital.
The probe induction installation part of the utility model utilizes the contrary induction in magnetic field to produce electric current, through the LED illuminating lamp, testing process is accomplished at the scene of no illumination condition, has characteristics such as flexible, convenient, fast.
According to duty, the probe induction installation of the utility model, install a suitable magnetic pole after, can through the adjustment product middle magnetic sheet, arbitrarily adjust spacing, need rotate to suitable angle to magnetic pole simultaneously.As long as the workman can adjust angle as required, even complicated corner also can be detected.
A kind of program controlled converter is provided; After processing such as inversion, frequency conversion, phase shift, be transferred to magnetic, flaw detection probe, realize power supply checkout equipment; Overcome that domestic existing portable, revolving-field type, yoke formula defectoscope adopt that the AC power skin effect is poor, detection sensitivity is low, usable range is little, poor safety performance, the defective of omission easily, reach the water proof and dust proof standard.
The miniature yoke defectoscope of the utility model comprises two parts: the one, and program controlled converter.Program controlled converter is to adopt lithium battery to make the energy; After processing such as inversion, frequency conversion, phase shift, be transferred to the magnetic powder inspection probe; Be applicable to polytypics such as rotating magnetic field probe, yoke formula probe, fillet weld probe probe, particular surroundings is supporting adopt probe when detecting as required coil-inducedly give the power supply of probe LED illuminating lamp.This device adopts microprocessor to realize automatic identification probe type, is directed against different probes adjustment working methods automatically; Realize a tractor serves several purposes, adopt aso probe (P20), be applicable to multiple probe; Design is produced and is met the magnaflux that special trade requires; This equipment can be regulated power grade according to battery voltage value in the course of the work automatically, when the power grade of device automatic equipment can not be satisfied the demand, can show working condition and battery undervoltage warning through adjusting automatically, liquid crystal digital; Through the test piece of the clear demonstration A type of this device ability; Once charging can guarantee continuous working more than 10 hours, had remedied the deficiency that the existing portable defectoscope in home market exists, and simple to operate, easy to carry, with extensively.The 2nd, the probe induction installation.Utilize the contrary induction in magnetic field to produce electric current,, testing process is accomplished at the scene of no illumination condition, have characteristics such as flexible, convenient, fast through the LED illuminating lamp.
Above-mentioned two parts are formed miniature magnetic powder flaw detector.The utility model product characteristic is: 1. little, in light weight, the environmental protection noiselessness of volume, non-maintaining, replaceable probe, convenient for maintaining; 2. under-voltage protection is provided, for probe provides overcurrent, overvoltage, short-circuit protection; 3. conversion efficiency reaches 90%, and having efficiently, moment starts function; 4. power is high, continuous power is steady.Peak power output 500W, continuous output is 400W, has that overload, overvoltage, under-voltage, automatic protection warning, high pressure are protected automatically, excess temperature is protected automatically, short circuit is protected automatically, exchange output holding circuit kinds of protect function.
Miniature yoke defectoscope; Be that the workpiece that utilizes yoke that ferrimagnet is processed carries out magnetized light miniature magnetic powder inspection equipment; Can be to various part magnetization; Be applicable to industry products such as oil field, shipbuilding, internal combustion engine part, colliery, machinery, standard component, oil pump nozzle, aircraft manufacturing, auto parts, bridging, chemical industry, boilers and pressure vessel, railway; Be applicable to the surface and the near surface flaw that cause because of forging and pressing, quenching, welding, fatigue etc., like the flaw detection of the workpiece of complex geometry such as connecting rod, bent axle, bearing, high-strength bolt, spring, forging, petrochemical industry pipe fitting, valve, blade, gear, roll, anchor chain and weld seam.
Miniature yoke defectoscope is a kind of novel magnetic powder flaw detector that direct current is delivered stream; Direct current supply; Power supply is for exchanging the high capacity import lithium battery of output; Be applicable to execute-in-places such as open-air non-transformer execute-in-place and the inaccessiable container of high pressure, bridge, pipeline, the stream time that once charges can reach more than 10 hours.AC charging, power supply adopt the 220V power supply directly to import, and it is supporting to need not other instruments, and is simple to operation, in light weight, be easy to carry, thereby this instrument is used widely.
Preferably, the said battery in the described miniature interchange yoke defectoscope is a lithium battery.
Preferably, program controlled converter also comprises liquid crystal digital display.
Preferably, program controlled converter also comprises alarm.
Preferably, program controlled converter also comprises liquid crystal digital display and alarm.
Preferably, also comprise the LED illuminating lamp, supply power through the coil-induced LED illuminating lamp of giving of probe induction installation.
Preferably, the magnetic pole of probe induction installation can be adjusted spacing.
Through producing the defective that high-intensity magnetic field can detect the surface.Dry powder, wet-milling, fluorescent powder, black particle all are applicable to and change equipment.Because the design of this equipment strict waterproof in manufacture process, so it possesses excellent waterproofness, moisture resistance, and also the impact resistance performance is also very outstanding.According to duty, install a suitable magnetic pole after, you can through the adjustment product middle magnetic sheet, arbitrarily adjust spacing, possibly rotate to suitable angle to magnetic pole.As long as the workman can adjust angle as required, in time complicated corner also can be detected.
This product is a extremely portable inspection machine, can take to Anywhere, grades such as laboratory, classroom, factory, assembly, weld part.
Description of drawings
Fig. 1 is the structural representation of program controlled converter.
Fig. 2 is the structural representation of yoke 1.
The structural representation of the miniature interchange yoke of Fig. 3 defectoscope.
Fig. 4 is the structural representation of the probe induction installation of first kind of spacing.
Fig. 5 is the structural representation of the probe induction installation of second kind of spacing.
Fig. 6 is the structural representation of the probe induction installation of the third spacing.
Fig. 7 is the structural representation of the probe induction installation of the 4th kind of spacing.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.Should be understood that following examples only are used to the utility model is described but not the scope that is used to limit the utility model.
Embodiment
Shown in the miniature interchange yoke defectoscope of the utility model comprise two parts: Fig. 1 is the structural representation of the utility model program controlled converter, and Fig. 2 is the pop one's head in structural representation of induction installation of the utility model.
Program controlled converter adopts microprocessor, realizes automatic identification probe type, is directed against different probes adjustment working methods automatically.Be applicable to polytypic probes such as rotating magnetic field probe, yoke formula probe, fillet weld probe.Realize a tractor serves several purposes, adopt aso probe (P20), be applicable to multiple probe, design is produced and is met the magnaflux that special industry requires.
The program controlled converter of the utility model adopts battery to make the energy, after processing such as inversion, frequency conversion, phase shift, is transferred to the flaw detection probe.Especially adopt lithium battery to make the energy, after processing such as inversion, frequency conversion, phase shift, be transferred to the flaw detection probe.Once charging can guarantee continuous working more than 10 hours, had remedied the deficiency that the existing portable defectoscope in home market exists, and simple to operate easy to carry, was widely used.
The program controlled converter of the utility model basis is regulated power grade automatically according to battery voltage value, shows working condition and battery undervoltage warning through automatic adjusting, liquid crystal digital.This equipment can be regulated power grade according to battery voltage value in the course of the work automatically, when the power grade of device automatic equipment can not be satisfied with when needing, can through regulate automatically, liquid crystal digital shows working condition and battery undervoltage warning.
The probe induction installation part of the utility model.Utilize the contrary induction in magnetic field to produce electric current,, testing process is accomplished at the scene of no illumination condition, have characteristics such as flexible, convenient, fast through the LED illuminating lamp.
According to the probe induction installation of duty the utility model, install a suitable magnetic pole after, can through the adjustment product middle magnetic sheet, arbitrarily adjust spacing, possibly rotate to suitable angle to magnetic pole.As long as the workman can adjust angle as required, in time complicated corner also can be detected, and is as shown in Figure 3.
Claims (9)
1. a miniature interchange yoke defectoscope is characterized in that: comprise program controlled converter and be attached thereto the probe induction installation that connects; Program controlled converter adopts microprocessor, realizes automatic identification probe type, is directed against different probes adjustment working methods automatically.
2. miniature interchange yoke defectoscope according to claim 1 is characterized in that: program controlled converter adopts lithium battery to make the energy, after processing such as inversion, frequency conversion, phase shift, is transferred to the flaw detection probe.
3. miniature interchange yoke defectoscope according to claim 2, it is characterized in that: said battery is a lithium battery.
4. according to claim 1,2 or 3 described miniature interchange yoke defectoscopes, it is characterized in that: program controlled converter is regulated power grade automatically according to battery voltage value, shows working condition and battery undervoltage warning through automatic adjusting, liquid crystal digital.
5. miniature interchange yoke defectoscope according to claim 4, it is characterized in that: program controlled converter also comprises liquid crystal digital display.
6. miniature interchange yoke defectoscope according to claim 4, it is characterized in that: program controlled converter also comprises alarm.
7. miniature interchange yoke defectoscope according to claim 4, it is characterized in that: program controlled converter also comprises liquid crystal digital display and alarm.
8. miniature interchange yoke defectoscope according to claim 7 is characterized in that: also comprise the LED illuminating lamp, supply power through the coil-induced LED illuminating lamp of giving of probe induction installation.
9. miniature interchange yoke defectoscope according to claim 7 is characterized in that: the magnetic pole of probe induction installation can be adjusted spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204437955U CN202502069U (en) | 2011-11-10 | 2011-11-10 | Mini alternating current magnetic yoke flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204437955U CN202502069U (en) | 2011-11-10 | 2011-11-10 | Mini alternating current magnetic yoke flaw detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202502069U true CN202502069U (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204437955U Expired - Fee Related CN202502069U (en) | 2011-11-10 | 2011-11-10 | Mini alternating current magnetic yoke flaw detector |
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| CN (1) | CN202502069U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091394A (en) * | 2012-10-31 | 2013-05-08 | 吴江市宏达探伤器材有限公司 | Electromagnetic yoke probe |
| CN103091646A (en) * | 2012-10-31 | 2013-05-08 | 吴江市宏达探伤器材有限公司 | Rotating magnetic field probe |
| CN103822965A (en) * | 2013-12-09 | 2014-05-28 | 济宁鲁科检测器材有限公司 | Crossed rotating magnetic field flaw detector |
| CN103940900A (en) * | 2013-12-09 | 2014-07-23 | 济宁鲁科检测器材有限公司 | Portable reversible AC-DC magnetic field flaw detector |
| CN104091679A (en) * | 2014-07-30 | 2014-10-08 | 爱德森（厦门）电子有限公司 | Flexible magnetic yoke device |
| CN107831213A (en) * | 2017-11-28 | 2018-03-23 | 云南靖创液态金属热控技术研发有限公司 | Portable magnetic powder crack detector based on liquid metal |
| CN108037180A (en) * | 2017-12-28 | 2018-05-15 | 江苏朗锐茂达铸造有限公司 | Portable fluorescence magnetic powder flaw detector and fluorescent magnetic particle flaw detection method |
| CN111351834A (en) * | 2020-03-18 | 2020-06-30 | 南京理工大学 | Intelligent detection device based on magnetic leakage |
| CN113655115A (en) * | 2021-07-21 | 2021-11-16 | 大唐东北电力试验研究院有限公司 | Telescopic alternating current magnetic yoke probe device |
-
2011
- 2011-11-10 CN CN2011204437955U patent/CN202502069U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091394A (en) * | 2012-10-31 | 2013-05-08 | 吴江市宏达探伤器材有限公司 | Electromagnetic yoke probe |
| CN103091646A (en) * | 2012-10-31 | 2013-05-08 | 吴江市宏达探伤器材有限公司 | Rotating magnetic field probe |
| CN103091646B (en) * | 2012-10-31 | 2015-09-30 | 吴江市宏达探伤器材有限公司 | Rotating magnetic field is popped one's head in |
| CN103822965A (en) * | 2013-12-09 | 2014-05-28 | 济宁鲁科检测器材有限公司 | Crossed rotating magnetic field flaw detector |
| CN103940900A (en) * | 2013-12-09 | 2014-07-23 | 济宁鲁科检测器材有限公司 | Portable reversible AC-DC magnetic field flaw detector |
| CN104091679A (en) * | 2014-07-30 | 2014-10-08 | 爱德森（厦门）电子有限公司 | Flexible magnetic yoke device |
| CN107831213A (en) * | 2017-11-28 | 2018-03-23 | 云南靖创液态金属热控技术研发有限公司 | Portable magnetic powder crack detector based on liquid metal |
| CN108037180A (en) * | 2017-12-28 | 2018-05-15 | 江苏朗锐茂达铸造有限公司 | Portable fluorescence magnetic powder flaw detector and fluorescent magnetic particle flaw detection method |
| CN111351834A (en) * | 2020-03-18 | 2020-06-30 | 南京理工大学 | Intelligent detection device based on magnetic leakage |
| CN113655115A (en) * | 2021-07-21 | 2021-11-16 | 大唐东北电力试验研究院有限公司 | Telescopic alternating current magnetic yoke probe device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20131110 |