CN205102774U - Aluminium alloy indentation degree of depth detection device - Google Patents
Aluminium alloy indentation degree of depth detection device Download PDFInfo
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- CN205102774U CN205102774U CN201520892411.6U CN201520892411U CN205102774U CN 205102774 U CN205102774 U CN 205102774U CN 201520892411 U CN201520892411 U CN 201520892411U CN 205102774 U CN205102774 U CN 205102774U
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- magnetic field
- depth
- cup
- section bar
- field intensity
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model provides an aluminium alloy indentation degree of depth detection device, includes: signal generator produces pulse drive signal, power amplifier carries out power amplification to pulse drive signal and handles in order to produce drive signal, electric hot air blower, the magnetic field intensity who produces the induced electricity vortex converts voltage signal into, processing circuit takes care of in order to obtain test magnetic field intensity data voltage signal, the indentation range data that standard magnetic field intensity data correspond is saved to the memory, the controller will be tested the magnetic field intensity data and match with standard magnetic field intensity data to the indentation degree of depth that corresponds in test magnetic field intensity data surpasss and produces triggering signal when predetermineeing the scope, display device shows the corresponding indentation degree of depth of test magnetic field intensity data, the suggestion device is suitable for to produce the information when receiving triggering signal. The utility model provides an aluminium alloy indentation degree of depth detection device can be in the indentation degree of depth of the job site of main equipment detection aluminium alloy.
Description
Technical field
The utility model relates to metal impression detection technique field, particularly a kind of aluminium section bar depth of cup pick-up unit.
Background technology
Aluminium section bar is used in civilian and industry as light-duty material in large quantities, as large-sized sheet material, aluminum ship material etc. that motor-car uses.On aluminium section bar production line, aluminium ingot casting carries out sawing after the operations such as heating, extruding, quenching, stretching alignment, overall calibration, artificial aging, and terminal check is put in storage.Along with the development of technology, there is higher requirement to the surface quality of aluminium section bar.The surface indentation of aluminium section bar is the important indicator judging its surface quality, needs to adopt on-line measuring device to detect its surface indentation before aluminium section bar outbound, separates certified products and unacceptable product by standard regions.
The equipment of aluminium section bar application is all often very large-scale, and the work of equipment is not easy to be interrupted, when Maintenance and Repair are carried out to the equipment of application aluminium section bar, because the difficult problem such as handling, place adopts on-line measuring device to detect the surface quality of aluminium section bar and infeasible, the mode of manual observation thus in prior art, is usually adopted to judge that whether the surface indentation of aluminium section bar is qualified.But manual observation is inefficiency not only, and the difference of the factor such as on-the-spot light, the degree of fatigue of testing staff, different testing staff can cause the inconsistent of criterion, easily causes erroneous judgement.
Utility model content
Manual type is adopted to judge the problem of aluminium shape surface impression efficiency low, easy erroneous judgement during Maintenance and Repair aluminium section bar equipment to be solved in the utility model.
For solving the problem, the utility model provides a kind of aluminium section bar depth of cup pick-up unit, comprising: signal generator, is suitable for producing pulse excitation signal; Power amplifier, is suitable for carrying out power amplification process to produce drive singal to described pulse excitation signal; Eddy current probe, is suitable under the excitation of described drive singal, make tested aluminium section bar produce current vortex of inducting, and the magnetic field intensity that current vortex of inducting produces is converted to voltage signal; Signal processing circuit, is suitable for nursing one's health to obtain test magnetic field strength date to described voltage signal; Storer, is suitable for storage standards magnetic field strength date and depth of cup data corresponding to standard Magnetic Field intensity data, and produces trigger pip when the depth of cup that described test magnetic field strength date is corresponding exceeds preset range; Controller, is suitable for described test magnetic field strength date and described standard Magnetic Field intensity data being carried out mating to obtain depth of cup corresponding to described test magnetic field strength date; Display device, is suitable for showing depth of cup corresponding to described test magnetic field strength date; Suggestion device, is suitable for producing information when receiving described trigger pip.
Optionally, described aluminium section bar depth of cup pick-up unit also comprises input media, and described input media is suitable for the standard Magnetic Field intensity data that user inputted under the control of described controller and depth of cup data corresponding to standard Magnetic Field intensity data stored in described storer.
Optionally, described input media is touch-screen or keyboard.
Optionally, described aluminium section bar depth of cup pick-up unit also comprises USB interface.
Optionally, described eddy current probe comprises drive coil, skeleton, the first Hall element, the second Hall element and temperature sensor;
Described drive coil is wrapped on described skeleton, and described first Hall element is arranged on the top center of described skeleton, and described second Hall element is arranged on the bottom centre position of described skeleton, and described temperature sensor is arranged on the middle part of described skeleton.
Optionally, described drive coil is be highly the cylindrical coil of 5mm to 7mm.
Optionally, described signal processing circuit comprises the high-pass filtering module, rectification module, denoising module, low-pass filtering module, amplification module and the analog-to-digital conversion module that connect successively.
Optionally, described display device is liquid crystal display.、
Optionally, described information is at least one in acoustic information, image information or Word message.
Compared with prior art, the utility model has the following advantages:
The aluminium section bar depth of cup pick-up unit that the utility model provides, controller is adopted to replace computing machine, be convenient to use in the working site of main equipment, standard Magnetic Field intensity data and depth of cup data corresponding to standard Magnetic Field intensity data are prestored, being mated detecting the test magnetic field strength date obtained with standard Magnetic Field intensity data by controller, can obtain and show the depth of cup of tested aluminium section bar.The equipment of the aluminium section bar depth of cup pick-up unit adopting the utility model to provide to application aluminium section bar carries out Maintenance and Repair, and equipment replaces the accuracy of artificial thus detection efficiency and testing result to improve.Further, by arranging suggestion device, tester can be pointed out intuitively when the depth of cup of tested aluminium section bar exceeds preset range.
Accompanying drawing explanation
Fig. 1 is the structural representation of the aluminium section bar depth of cup pick-up unit of the utility model embodiment;
Fig. 2 is the structural representation of the aluminium section bar depth of cup pick-up unit of a kind of embodiment of the utility model;
Fig. 3 is the structural representation of the aluminium section bar depth of cup pick-up unit of the another kind of embodiment of the utility model;
Fig. 4 is the structural representation of the eddy current probe of the utility model embodiment.
Embodiment
Fig. 1 is the structural representation of the aluminium section bar depth of cup pick-up unit of the utility model embodiment, and described aluminium section bar depth of cup pick-up unit comprises signal generator 11, power amplifier 12, eddy current probe 13, signal processing circuit 14, controller 15, storer 16, display device 17 and suggestion device 18.
Particularly, described signal generator 11 is suitable for producing pulse excitation signal, and it can be the dutycycle of NE555 timer composition and all adjustable signal generating circuit of frequency.In order to improve the intensity of sampled signal, need to carry out power amplification to described pulse excitation signal.Described power amplifier 12 connects described signal generator 11, is suitable for carrying out power amplification process to produce drive singal to described pulse excitation signal.Described eddy current probe 13 connects described power amplifier 12, is suitable under the excitation of described drive singal, make the inside of tested aluminium section bar and surface produce current vortex of inducting, and the magnetic field intensity that current vortex of inducting produces is converted to voltage signal.Described signal processing circuit 14 connects described eddy current probe 13, is suitable for nursing one's health to obtain test magnetic field strength date to described voltage signal.The echo signal amplitude that described eddy current probe 13 receives is less, and high to the neighbourhood noise susceptibility of surrounding, is easy to by noise, thus needs to carry out signal condition.In the utility model embodiment, described signal processing circuit 14 comprises the high-pass filtering module, rectification module, denoising module, low-pass filtering module, amplification module and the analog-to-digital conversion module that connect successively.
Described storer 16 is connected with described controller 15, is suitable for storage standards magnetic field strength date and depth of cup data corresponding to standard Magnetic Field intensity data.Particularly, on-line measuring device can be adopted in advance to detect and to there is different depth of cup and the known aluminium section bar exemplar of depth of cup, detect the magnetic field strength date obtained and be described accurate magnetic field strength date.Described controller 15 is connected with described signal processing circuit 14, be suitable for described test magnetic field strength date and described standard Magnetic Field intensity data being carried out mate to obtain depth of cup corresponding to described test magnetic field strength date, and produce trigger pip when the depth of cup that described test magnetic field strength date is corresponding exceeds preset range.Particularly, described controller 15 can calculate the difference of described test magnetic field strength date and described standard Magnetic Field intensity data.If difference is zero, then described test magnetic field strength date is mated with described standard Magnetic Field intensity data, and depth of cup corresponding to described test magnetic field strength date is depth of cup corresponding to described standard Magnetic Field intensity data; If difference is non-vanishing, then described test magnetic field strength date is mated with another standard Magnetic Field intensity data.Described preset range can be arranged according to the actual requirements, does not repeat them here.Further, described controller 15 can be single-chip microcomputer.Those skilled in the art know and how to adopt single-chip microcomputer to mate two data, do not repeat them here.Described display device 17 is connected with described controller 15, is suitable for showing depth of cup corresponding to described test magnetic field strength date, and described display device 17 can be liquid crystal display.Described suggestion device 18 is connected with described controller 15, is suitable for producing information when receiving described trigger pip, and described information can be at least one in acoustic information, image information or Word message.
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but embodiment of the present utility model is not limited thereto.
Fig. 2 is the structural representation of the aluminium section bar depth of cup pick-up unit of a kind of embodiment of the utility model.Compared with the embodiment that Fig. 1 is corresponding, the aluminium section bar depth of cup pick-up unit of the present embodiment also comprises input media 21.Described input media 21 is connected with described controller 15, be suitable for the standard Magnetic Field intensity data that user inputted under the control of described controller 15 and depth of cup data corresponding to standard Magnetic Field intensity data stored in described storer 16, described input media 21 can be touch-screen or keyboard.
Fig. 3 is the structural representation of the aluminium section bar depth of cup pick-up unit of the another kind of embodiment of the utility model.Compared with the embodiment that Fig. 1 is corresponding, the aluminium section bar depth of cup pick-up unit of the present embodiment also comprises the USB interface 31 be connected with described controller 15.By arranging described USB interface 31, described aluminium section bar depth of cup pick-up unit can be connected with computing machine, user can by computer input standard Magnetic Field intensity data and depth of cup data corresponding to standard Magnetic Field intensity data.
The utility model embodiment also provides the concrete structure of described eddy current probe 13.With reference to figure 4, described eddy current probe 13 comprises drive coil 41, skeleton 42, first Hall element 43, second Hall element 44 and temperature sensor 45.Particularly, described drive coil 41 is wrapped on described skeleton 42, described first Hall element 43 is arranged on the top center of described skeleton 42, described second Hall element 44 is arranged on the bottom centre position of described skeleton 42, described first Hall element 43 and described second Hall element 44 symmetrical, described temperature sensor 45 is arranged on the middle part of described skeleton 42.In the present embodiment, described drive coil 41 is be highly the cylindrical coil of 5mm to 7mm.By arranging described temperature sensor 45, described controller 15 can control the temperature of the real-time described eddy current probe 13 of display of described display device 17, prevents that the temperature of described eddy current probe 13 is too high affects measuring accuracy.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection domain of the present utility model.
Claims (9)
1. an aluminium section bar depth of cup pick-up unit, is characterized in that, comprising:
Signal generator, is suitable for producing pulse excitation signal;
Power amplifier, is suitable for carrying out power amplification process to produce drive singal to described pulse excitation signal;
Eddy current probe, is suitable under the excitation of described drive singal, make tested aluminium section bar produce current vortex of inducting, and the magnetic field intensity that current vortex of inducting produces is converted to voltage signal;
Signal processing circuit, is suitable for nursing one's health to obtain test magnetic field strength date to described voltage signal;
Storer, is suitable for storage standards magnetic field strength date and depth of cup data corresponding to standard Magnetic Field intensity data;
Controller, be suitable for described test magnetic field strength date and described standard Magnetic Field intensity data being carried out mate to obtain depth of cup corresponding to described test magnetic field strength date, and produce trigger pip when the depth of cup that described test magnetic field strength date is corresponding exceeds preset range;
Display device, is suitable for showing depth of cup corresponding to described test magnetic field strength date;
Suggestion device, is suitable for producing information when receiving described trigger pip.
2. aluminium section bar depth of cup pick-up unit according to claim 1, it is characterized in that, also comprise input media, described input media is suitable for the standard Magnetic Field intensity data that user inputted under the control of described controller and depth of cup data corresponding to standard Magnetic Field intensity data stored in described storer.
3. aluminium section bar depth of cup pick-up unit according to claim 2, is characterized in that, described input media is touch-screen or keyboard.
4. aluminium section bar depth of cup pick-up unit according to claim 1, is characterized in that, also comprise USB interface.
5. aluminium section bar depth of cup pick-up unit according to claim 1, is characterized in that, described eddy current probe comprises drive coil, skeleton, the first Hall element, the second Hall element and temperature sensor;
Described drive coil is wrapped on described skeleton, and described first Hall element is arranged on the top center of described skeleton, and described second Hall element is arranged on the bottom centre position of described skeleton, and described temperature sensor is arranged on the middle part of described skeleton.
6. aluminium section bar depth of cup pick-up unit according to claim 5, is characterized in that, described drive coil is be highly the cylindrical coil of 5mm to 7mm.
7. aluminium section bar depth of cup pick-up unit according to claim 1, is characterized in that, described signal processing circuit comprises the high-pass filtering module, rectification module, denoising module, low-pass filtering module, amplification module and the analog-to-digital conversion module that connect successively.
8. aluminium section bar depth of cup pick-up unit according to claim 1, is characterized in that, described display device is liquid crystal display.
9. aluminium section bar depth of cup pick-up unit according to claim 1, is characterized in that, described information is at least one in acoustic information, image information or Word message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892411.6U CN205102774U (en) | 2015-11-10 | 2015-11-10 | Aluminium alloy indentation degree of depth detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892411.6U CN205102774U (en) | 2015-11-10 | 2015-11-10 | Aluminium alloy indentation degree of depth detection device |
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| Publication Number | Publication Date |
|---|---|
| CN205102774U true CN205102774U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520892411.6U Expired - Fee Related CN205102774U (en) | 2015-11-10 | 2015-11-10 | Aluminium alloy indentation degree of depth detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321579A (en) * | 2016-08-17 | 2017-01-11 | 广西南南铝加工有限公司 | Three-way joint for aluminium materials and machining method thereof |
-
2015
- 2015-11-10 CN CN201520892411.6U patent/CN205102774U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321579A (en) * | 2016-08-17 | 2017-01-11 | 广西南南铝加工有限公司 | Three-way joint for aluminium materials and machining method thereof |
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| Date | Code | Title | Description |
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| 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: 20160323 Termination date: 20161110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |