CN206488873U - Barkhausen's sensor array - Google Patents
Barkhausen's sensor array Download PDFInfo
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- CN206488873U CN206488873U CN201720106127.0U CN201720106127U CN206488873U CN 206488873 U CN206488873 U CN 206488873U CN 201720106127 U CN201720106127 U CN 201720106127U CN 206488873 U CN206488873 U CN 206488873U
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- barkhausen
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- yoke
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Abstract
The utility model discloses a kind of Barkhausen's sensor array.Wherein, the sensor includes：Shell；Yoke, is arranged on shell, for magnetic conduction；Encoder, is arranged in yoke, for being moved in sensor during detection sensor positional information；Barkhausen's receiver array, the barkhausen signal of the diverse location for receiving detected material, wherein, Barkhausen's receiver array includes multiple Barkhausen's receivers；Excitation coil, is arranged in yoke, for carrying out local magnetized by alternating current.The utility model is solved can not carry out Fast nondestructive evaluation and the technical problem being imaged to the stress distribution of examined object in the prior art.
Description
Technical field
The utility model is related to detection field, in particular to a kind of Barkhausen's sensor array.
Background technology
At present, in a large amount of engineering sites, stress is ubiquitous, in stress mornitoring, and more ripe method is X-ray
Diffraction approach, Blind Hole Method.X-ray diffraction method measurement is accurate, but ray radiation is larger, and ray equipment volume is huger, is adapted to real
Room is tested to use, it is more inconvenient for onsite application, measure inconvenience for transient stress in heavy parts and motion；Blind Hole Method passes through
Aperture is drilled through on testee surface, calculates by the deformation of aperture near zone and obtains interior of articles stress, it is to material
It is disruptive and more difficult to large area detection and stress imaging；Therefore, in the urgent need to a kind of to critical component stress distribution
And its Fast nondestructive evaluation means of imaging.
For it is above-mentioned the problem of, effective solution is not yet proposed at present.
Utility model content
The utility model embodiment provides a kind of Barkhausen's sensor array, at least to solve in the prior art can not
Stress distribution to examined object carries out Fast nondestructive evaluation and the technical problem being imaged.
According to the one side of the utility model embodiment there is provided a kind of sensor, including：Shell；Yoke, is arranged on
On the shell, for magnetic conduction；Encoder, is arranged in the yoke, for being detected during sensor motion
The positional information of the sensor；Barkhausen's receiver array, the Bark person of outstanding talent of the diverse location for receiving detected material
Gloomy signal, wherein, Barkhausen's receiver array includes multiple Barkhausen's receivers；Excitation coil, is arranged on described
In yoke, for carrying out local magnetized by alternating current.
Further, the surface of the yoke and Barkhausen's receiver array formation is preset shape, wherein, institute
Preset shape is stated to be determined by the surface configuration of examined object.
Further, the multiple Barkhausen's receiver is arranged in a row or square formation.
Further, the sensor also includes：Roller, is set on the housing.
According to the another aspect of the utility model embodiment, a kind of detecting system is additionally provided, including：Function generator,
It is connected with power amplifier, computer, for producing pumping signal；Power amplifier, with the function generator, the biography
Sensor is connected, and the pumping signal for the function generator to be produced is amplified, and the pumping signal after amplification is used to swash
Encourage the working sensor；Sensor described in any one of claims 1 to 3, with the power amplifier, the supporting electricity of encoder
Road, signal processor are connected, for receiving multichannel barkhausen signal；Encoder support circuit, with the sensor, described
Computer is connected；Signal processor, is connected with the sensor, the computer, for the multichannel Barkhausen
Signal is amplified and filtered；Computer, with the signal processor, the encoder support circuit, the function generator
It is connected, for controlling the function generator to produce pumping signal, receives and analyze the processing that the signal processor is sent
The multichannel barkhausen signal crossed, and receive and parse through the signal that the encoder support circuit is sent.
Further, Barkhausen's receiver array of the sensor is connected with the signal processor, the sensing
The encoder of device is connected with the encoder support circuit, and the excitation coil of the sensor is connected with the power amplifier.
Further, the signal processor includes：Multichannel preamplifier, with multi-channel filter, the Bark
The gloomy receiver array of person of outstanding talent is connected, for being amplified to the multichannel barkhausen signal；Multi-channel filter is and described more
Passage preamplifier, the computer are connected, for the barkhausen signal after amplification to be filtered.
Further, the signal processor includes：Multi-channel filter, with multichannel preamplifier, the Bark
The gloomy receiver array of person of outstanding talent is connected, for being filtered to multichannel barkhausen signal；Multichannel preamplifier is and described more
Path filter, the computer are connected, for being amplified to filtered multichannel barkhausen signal.
In the utility model embodiment, share same excitation yoke and use array barkhausen signal receiver
Mode obtains tested part diverse location barkhausen signal simultaneously, and inspection is improved while the uniformity of pumping signal is ensured
Efficiency is surveyed, positional information is obtained by encoder, array-type sensor obtains diverse location barkhausen signal, by Bark
The gloomy signal of person of outstanding talent is analyzed, and obtains the stress distribution of examined object, damage will not be caused to examined object, moreover, array
Formula sensor once obtains the barkhausen signal of multiple positions, and detection efficiency is high, has reached the stress point to examined object
Cloth carries out Fast nondestructive evaluation and the technique effect being imaged, and then solve in the prior art can not be to the stress of examined object
Distribution carries out Fast nondestructive evaluation and the technical problem being imaged.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes one of the present utility model
Point, schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model
It is improper to limit.In the accompanying drawings：
Fig. 1-1 is a kind of schematic diagram of sensor according to the utility model embodiment；
Fig. 1-2 is the schematic diagram of another sensor according to the utility model embodiment；
Fig. 1-3 is the schematic diagram of another sensor according to the utility model embodiment；
Fig. 1-4 is the schematic diagram of another sensor according to the utility model embodiment；
Fig. 1-5 is the schematic diagram of another sensor according to the utility model embodiment；
Fig. 1-6 is the schematic diagram of another sensor according to the utility model embodiment；
Fig. 2-1 is the schematic diagram that plane surface is detected according to the sensor of the utility model embodiment；
Fig. 2-2 is the schematic diagram that convex surface is detected according to the sensor of the utility model embodiment；
Fig. 2-3 is the schematic diagram that concave surface is detected according to the sensor of the utility model embodiment；
Fig. 3 is the schematic diagram in examined object apparent motion according to the sensor of the utility model embodiment；
Fig. 4-1 is a kind of schematic diagram of detecting system according to the utility model embodiment；
Fig. 4-2 is the schematic diagram of another detecting system according to the utility model embodiment；
Fig. 4-3 is the schematic diagram of another detecting system according to the utility model embodiment；
Fig. 5 is the schematic diagram of the stress real time imagery process according to the utility model embodiment.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should
When the scope for belonging to the utility model protection.
According to the utility model embodiment, there is provided a kind of sensor.Fig. 1-1, Fig. 1-2, Fig. 1-3 are new according to this practicality
The schematic diagram of the sensor of type embodiment.
As shown in Fig. 1-1, Fig. 1-2, Fig. 1-3, the sensor that the utility model embodiment is provided includes：Barkhausen receives
Device array 2, encoder 3, excitation coil 4, yoke 5, shell 6.
Yoke 5, is arranged on shell 6, for magnetic conduction.Yoke and tested component contact part are not limited to be designed as face to connect
Touch, can be also linear contact lay or point contact.
Encoder 3, is arranged in yoke 5, for being moved in sensor during detection sensor positional information.
Barkhausen's receiver array 2, the barkhausen signal of the diverse location for receiving detected material, wherein,
Barkhausen's receiver array 2 includes multiple Barkhausen's receivers.
Excitation coil 4, is arranged in yoke 5, for carrying out local magnetized by alternating current.
In the utility model embodiment, share same excitation yoke and use array barkhausen signal receiver
Mode obtains tested part diverse location barkhausen signal simultaneously, and inspection is improved while the uniformity of pumping signal is ensured
Efficiency is surveyed, positional information is obtained by encoder, array-type sensor obtains diverse location barkhausen signal, by Bark
The gloomy signal of person of outstanding talent is analyzed, and obtains the stress distribution of examined object, damage will not be caused to examined object, moreover, array
Formula sensor once obtains the barkhausen signal of multiple positions, and detection efficiency is high, and solving in the prior art can not be to be checked
The stress distribution for surveying object carries out Fast nondestructive evaluation and the technical problem being imaged, and has reached the stress distribution to examined object
Carry out Fast nondestructive evaluation and the technique effect being imaged.
Alternatively, as shown in Fig. 1-4, Fig. 1-5, Fig. 1-6, sensor also includes：Roller 1.Roller 1, is arranged on shell 6
On.Roller 1 can be universal wheel, and roller 1 can be arranged on the inner side of shell 6.
Alternatively, the surface of yoke and the formation of Barkhausen's receiver array is preset shape, wherein, preset shape is by treating
The surface configuration of detection object determines, for example, the surface of yoke 5 and the formation of Barkhausen's receiver array 2 for following shape it
One：Plane (as shown in Fig. 1-1, Fig. 1-4), concave surface (as shown in Fig. 1-2, Fig. 1-5), convex surface (as shown in Fig. 1-3, Fig. 1-6), ripple
Shape wave plane etc..
The sensor that the utility model embodiment is provided can detect plane surface and curved surface.
As shown in Fig. 1-1 and Fig. 1-4, the surface of yoke 5 and the formation of Barkhausen's receiver array 2 is plane, the sensing
Device can detect plane surface.
As shown in Fig. 1-2 and Fig. 1-5, the surface of yoke 5 and the formation of Barkhausen's receiver array 2 is concave surface, the sensing
Device can detect convex surface.Sensor is contacted with pipeline outer wall, and Sensor Design is concave arc shape, can be detected outside pipeline
Wall.
As shown in Fig. 1-3 and Fig. 1-6, the surface of yoke 5 and the formation of Barkhausen's receiver array 2 is convex surface, the sensing
Device can detect concave surface.Sensor is contacted with inner-walls of duct, and Sensor Design is dome arcuation, can be detected in pipeline
Wall.
For other structures surface, sensor and tested component contact part-structure can be adjusted according to parts surface, make biography
Sensor is applicable to tested part.
Alternatively, multiple Barkhausen's receivers are arranged in a row or square formation.
As shown in Fig. 2-1, Fig. 2-2, Fig. 2-3, sensor 8 can arbitrarily be moved along the X/Y plane of tested part 7, such as Fig. 3 institutes
Show, sensor is moved along Y-direction, while encoder record position information inside Barkhausen's receiving array 2 can quickly sweep
Surface is crossed, the barkhausen signal of the diverse location of tested part 7 is obtained.
According to the utility model embodiment, a kind of detecting system is additionally provided.As shown in Fig. 4-1, the detecting system includes：
Function generator, power amplifier, the sensor, encoder support circuit, signal processor, computer.
Function generator, is connected with power amplifier, computer, for producing pumping signal.
Power amplifier, and function generator, sensor are connected, and the pumping signal for function generator to be produced is entered
Row amplification, the pumping signal after amplification works for stimulus sensor.
Sensor, is connected with power amplifier, encoder support circuit, signal processor, for receiving multichannel Bark
The gloomy signal of person of outstanding talent.
Encoder support circuit, is connected with sensor, computer.
Signal processor, is connected with sensor, computer, for multichannel barkhausen signal to be amplified and filtered
Ripple.
Computer, is connected with signal processor, encoder support circuit, function generator, occurs for control function
Device produces pumping signal, receives and signal Analysis handles the treated multichannel barkhausen signal that device is sent, and receive simultaneously
Parse the signal that encoder support circuit is sent.
In the utility model embodiment, share same excitation yoke and use array barkhausen signal receiver
Mode obtains tested part diverse location barkhausen signal simultaneously, and inspection is improved while the uniformity of pumping signal is ensured
Efficiency is surveyed, positional information is obtained by encoder, array-type sensor obtains diverse location barkhausen signal, by Bark
The gloomy signal of person of outstanding talent is analyzed, and obtains the stress distribution of examined object, damage will not be caused to examined object, moreover, array
Formula sensor once obtains the barkhausen signal of multiple positions, and detection efficiency is high, and solving in the prior art can not be to be checked
The stress distribution for surveying object carries out Fast nondestructive evaluation and the technical problem being imaged, and has reached the stress distribution to examined object
Carry out Fast nondestructive evaluation and the technique effect being imaged.
Because sensor includes multichannel Barkhausen's receiver, therefore need multichannel preamplifier and multi-channel filter
Device.
Computer control function generator produces pumping signal during detection, and pumping signal is encouraged after amplifying through power amplifier
Working sensor.The multichannel Barkhausen's receiver for being now placed in sensor internal diverse location receives multichannel Barkhausen letter
Number.Signal processor multichannel barkhausen signal be amplified to each road signal, filtered (amplification, filtering sequencing not
Limit).Final each incoming computer of road signal, computer is calculated each road signal each road signal characteristic value in real time, is wrapped
Include root mean square, average value, peak value, broad peak ratio etc.；At the same time, computer obtains sensing station by encoder simultaneously and believed
Breath, when sensor is moved along tested parts surface, tested parts surface position where whole system obtains sensor in real time and
Barkhausen signal, and then to whole tested parts surface barkhausen signal, obtain entirely being detected part by calculating processing
Surface stress distributed image.
Alternatively, Barkhausen's receiver array of sensor is connected with signal processor, the encoder and volume of sensor
Code device support circuit is connected, and the excitation coil of sensor is connected with power amplifier.
Alternatively, signal processor includes：Multichannel preamplifier, multi-channel filter.
As a kind of optional embodiment, as shown in the Fig. 4-2, signal processor includes：Multichannel preamplifier, lead to
Channel filter, multichannel preamplifier is connected with multi-channel filter, Barkhausen's receiver array, for multichannel
Barkhausen signal is amplified.Multi-channel filter, is connected with multichannel preamplifier, computer, for that will amplify
Barkhausen signal afterwards is filtered.
As an alternative embodiment, as shown in Fig. 4-3, signal processor includes：It is multichannel preamplifier, many
Path filter, multi-channel filter is connected with multichannel preamplifier, Barkhausen's receiver array, for many
Road barkhausen signal is filtered.Multichannel preamplifier, is connected with multi-channel filter, computer, for filter
Multichannel barkhausen signal after ripple is amplified.
As shown in Fig. 2-1, Fig. 2-2, Fig. 2-3, sensor 8 can arbitrarily be moved along the X/Y plane of tested part 7, such as Fig. 3 institutes
Show, sensor is moved along Y-direction, while encoder record position information inside Barkhausen's receiving array 2 can quickly sweep
The surface of tested part 7 is crossed, real time imagery, stress imaging process are carried out to the stress or case depth or case hardness on surface
Display is as shown in Figure 5 in real time.In Fig. 5, color depth is directly proportional to stress intensity, and stress is bigger, and color is deeper.
The utility model uses array barkhausen signal to receive by designed shared same excitation yoke
Device mode obtains tested part diverse location barkhausen signal simultaneously, is improved while the uniformity of pumping signal is ensured
Detection efficiency, positional information is obtained by encoder, and array-type sensor obtains diverse location barkhausen signal, can be right in real time
Tested component stress or case depth or case hardness are imaged.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of Barkhausen's sensor array, it is characterised in that including：
Shell；
Yoke, is set on the housing, for magnetic conduction；
Encoder, is arranged in the yoke, the position for detecting the sensor during sensor motion
Information；
Barkhausen's receiver array, the barkhausen signal of the diverse location for receiving detected material, wherein, the bar
Ke Haosen receiver arrays include multiple Barkhausen's receivers；
Excitation coil, is arranged in the yoke, for carrying out local magnetized by alternating current.
2. sensor according to claim 1, it is characterised in that
The surface of the yoke and Barkhausen's receiver array formation is preset shape, wherein, the preset shape by
The surface configuration of examined object is determined.
3. sensor according to claim 1, it is characterised in that the multiple Barkhausen's receiver be arranged in a row or
Square formation.
4. sensor according to claim 1, it is characterised in that the sensor also includes：
Roller, is set on the housing.
5. a kind of detecting system, it is characterised in that including：
Function generator, is connected with power amplifier, computer, for producing pumping signal；
Power amplifier, is connected with the function generator, the sensor, for swashing of producing the function generator
Encourage signal to be amplified, the pumping signal after amplification is used to encourage the working sensor；
Sensor described in any one of claims 1 to 3, with the power amplifier, encoder support circuit, signal processor
It is connected, for receiving multichannel barkhausen signal；
Encoder support circuit, is connected with the sensor, the computer；
Signal processor, is connected with the sensor, the computer, for being put to the multichannel barkhausen signal
Big and filtering；
Computer, is connected with the signal processor, the encoder support circuit, the function generator, for controlling
The function generator produces pumping signal, receives and analyze the treated multichannel Barkhausen that the signal processor is sent
Signal, and receive and parse through the signal that the encoder support circuit is sent.
6. detecting system according to claim 5, it is characterised in that Barkhausen's receiver array of the sensor with
The signal processor is connected, and the encoder of the sensor is connected with the encoder support circuit, the sensor it is sharp
Coil is encouraged with the power amplifier to be connected.
7. detecting system according to claim 6, it is characterised in that the signal processor includes：
Multichannel preamplifier, is connected with multi-channel filter, Barkhausen's receiver array, for described many
Road barkhausen signal is amplified；
Multi-channel filter, is connected with the multichannel preamplifier, the computer, for the Bark after amplification is bold and unconstrained
Gloomy signal is filtered.
8. detecting system according to claim 6, it is characterised in that the signal processor includes：
Multi-channel filter, is connected with multichannel preamplifier, Barkhausen's receiver array, for multichannel bar
Ke Haosen signals are filtered；
Multichannel preamplifier, is connected with the multi-channel filter, the computer, for filtered multichannel bar
Ke Haosen signals are amplified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720106127.0U CN206488873U (en) | 2017-01-26 | 2017-01-26 | Barkhausen's sensor array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720106127.0U CN206488873U (en) | 2017-01-26 | 2017-01-26 | Barkhausen's sensor array |
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| CN206488873U true CN206488873U (en) | 2017-09-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644186A (en) * | 2017-01-26 | 2017-05-10 | 中国特种设备检测研究院 | Barkhausen array sensor and imaging method |
| CN111964817A (en) * | 2020-07-08 | 2020-11-20 | 中国特种设备检测研究院 | Plane stress determination method and device based on magnetic Barkhausen noise |
-
2017
- 2017-01-26 CN CN201720106127.0U patent/CN206488873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644186A (en) * | 2017-01-26 | 2017-05-10 | 中国特种设备检测研究院 | Barkhausen array sensor and imaging method |
| CN111964817A (en) * | 2020-07-08 | 2020-11-20 | 中国特种设备检测研究院 | Plane stress determination method and device based on magnetic Barkhausen noise |
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