CN114047465B - Amorphous alloy magnetostriction measurement method and device - Google Patents
Amorphous alloy magnetostriction measurement method and device Download PDFInfo
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- CN114047465B CN114047465B CN202111157760.XA CN202111157760A CN114047465B CN 114047465 B CN114047465 B CN 114047465B CN 202111157760 A CN202111157760 A CN 202111157760A CN 114047465 B CN114047465 B CN 114047465B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/18—Measuring magnetostrictive properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
The invention relates to the technical field of electromagnetic measurement of transformers, in particular to a method and a device for measuring magnetostriction of an amorphous alloy. The amorphous alloy magnetostriction measuring method provided by the invention solves the problem that the existing single-chip magnetostriction measuring result cannot accurately represent the magnetostriction of an actual iron core, can simulate the magnetostriction characteristics of the amorphous distribution transformer iron core under different stress states, can realize magnetostriction characteristic measurement in two directions of a magnetic conduction direction and a lamination direction, and provides data support for vibration and noise suppression of the amorphous alloy distribution transformer.
Description
Technical Field
The invention relates to the technical field of electromagnetic measurement of transformers, in particular to a method and a device for measuring magnetostriction of an amorphous alloy.
Background
Magnetostriction of the amorphous alloy strip is a main source of vibration and noise of the amorphous alloy distribution transformer, and research on magnetostriction characteristics of the amorphous alloy strip is significant for reducing vibration and noise of the amorphous alloy distribution transformer. The existing research method is mainly used for researching by measuring magnetostriction characteristics of a single amorphous alloy, and has the problems that the difference between lamination structures in the single amorphous alloy and an actual transformer is large, and magnetostriction characteristics measured by the single amorphous alloy cannot accurately represent magnetostriction characteristics of an actual transformer core. The lack of characteristic data capable of accurately characterizing magnetostriction of the iron core structure makes vibration and noise of the amorphous alloy distribution transformer iron core very difficult.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem that the existing single-chip magnetostriction measurement result in the prior art cannot accurately represent the magnetostriction of an actual iron core, and provides the amorphous alloy magnetostriction measurement method and device.
A magnetostriction measurement method of an amorphous alloy comprises the following steps:
winding a magnetic flux density measuring coil on an amorphous alloy laminated core, and arranging a reflector on the upper surface and at least one side surface of the amorphous alloy laminated core;
placing the amorphous alloy laminated iron core on a casting body comprising a U-shaped magnetic yoke, winding an exciting coil on the U-shaped magnetic yoke, forming a closed magnetic circuit by the amorphous alloy laminated iron core and the U-shaped magnetic yoke, fixing one end of the amorphous alloy laminated iron core, and mounting a stress sensor on the other end of the amorphous alloy laminated iron core;
during measurement, pulling force or tension is applied to the stress sensor, then an emission light source is used for emitting light signals to the reflecting sheet, excitation voltage is applied to the excitation coil, the magnetic flux density in the amorphous alloy iron core lamination is measured in real time through the magnetic flux density measuring coil, the excitation voltage is adjusted until the magnetic flux density reaches a set value, and then the change of reflected light on the reflecting sheet is measured, so that the magnetostriction quantity of the amorphous alloy iron core lamination is obtained.
Optionally, the amorphous alloy laminated core is formed by stacking strips of the same strip-shaped amorphous alloy strip;
optionally, the amorphous alloy laminated core is formed by stacking the same strip-shaped amorphous alloy strip strips in an upright state.
Optionally, the length of the amorphous alloy laminated core is greater than the length of the U-shaped magnetic yoke, and the width of the amorphous alloy laminated core is the same as the width of the U-shaped magnetic yoke.
Optionally, the casting body including the U-shaped magnetic yoke is a cuboid, and two identical magnetic yoke end surfaces at the opening of the U-shaped magnetic yoke are on the same horizontal plane with the upper surface of the casting body including the U-shaped magnetic yoke.
Optionally, the number of turns of the magnetic flux density measuring coil is more than or equal to 10 turns.
An amorphous alloy magnetostriction measurement device, comprising:
an amorphous alloy laminated core, on which a magnetic flux density measuring coil is wound, and on the upper surface and at least one side surface of which a reflection sheet is provided;
the amorphous alloy laminated iron core is arranged on the casting body comprising the U-shaped magnetic yoke, an exciting coil is wound on the U-shaped magnetic yoke, and a closed magnetic circuit is formed by the amorphous alloy laminated iron core and the U-shaped magnetic yoke;
the support table is arranged on one side of the casting body containing the U-shaped magnetic yoke in the length direction, and is detachably connected with one end of the amorphous alloy laminated iron core and used for fixing the amorphous alloy laminated iron core;
the stress sensor is detachably connected with the other end of the amorphous alloy laminated iron core;
the laser reflection measurement vibration device comprises a first laser reflection measurement vibration device and a second laser reflection measurement vibration device, wherein the first laser reflection measurement vibration device is arranged on one side of the end part of the amorphous alloy laminated core far away from the stress sensor, and the second laser reflection measurement vibration device is arranged on one side of the side surface of the amorphous alloy laminated core; the first laser reflection measurement vibration device can emit light signals to a reflector arranged on the side surface of the amorphous alloy laminated core; the second laser reflection measurement vibration device can emit light signals to a reflection sheet arranged on the upper surface of the amorphous alloy laminated core.
Optionally, the laser reflection measurement vibration device is a laser vibration meter.
Optionally, the casting body including the U-shaped magnetic yoke is a cuboid, and two identical magnetic yoke end surfaces at the opening of the U-shaped magnetic yoke are on the same horizontal plane with the upper surface of the casting body including the U-shaped magnetic yoke.
Optionally, the amorphous alloy laminated core is formed by stacking strips of the same strip-shaped amorphous alloy strip;
optionally, the amorphous alloy laminated core is formed by stacking the same strip-shaped amorphous alloy strip strips in an upright state.
Optionally, the length of the amorphous alloy laminated core is greater than the length of the U-shaped magnetic yoke, and the width of the amorphous alloy laminated core is the same as the width of the U-shaped magnetic yoke.
Optionally, the number of turns of the magnetic flux density measuring coil is more than or equal to 10 turns.
Optionally, the stress sensor is detachably connected with the end part of the amorphous alloy laminated core, and comprises: the upper clamping plate and the lower clamping plate are detachably connected, and a stress sensor is arranged on one surface of the end face of the back plate, far away from the amorphous alloy laminated iron core end, of the back plate.
Optionally, a screw is connected to the stress sensor.
Optionally, the screw rod supporting device further comprises a supporting frame for supporting the screw rod.
The technical scheme of the invention has the following advantages:
1. the amorphous alloy magnetostriction measuring method and device provided by the invention solve the problem that the existing single-chip magnetostriction measuring result cannot accurately represent the magnetostriction of an actual iron core, can simulate the magnetostriction characteristics of the amorphous distribution transformer iron core under different stress states, can realize magnetostriction characteristic measurement in two directions of a magnetic conduction direction and a lamination direction, and provide data support for vibration and noise suppression of the amorphous alloy distribution transformer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of an amorphous alloy magnetostriction measurement device provided in an embodiment of the present invention;
fig. 2 is a block diagram of a casting body including a U-shaped yoke provided in an embodiment of the present invention;
fig. 3 is a structural view of a U-shaped yoke around which an excitation coil is wound, provided in an embodiment of the present invention.
Reference numerals illustrate:
the magnetic flux density measuring device comprises a 1-amorphous alloy laminated iron core, a 2-magnetic flux density measuring coil, a 3-reflector, a 4-casting body comprising a U-shaped magnetic yoke, a 41-U-shaped magnetic yoke, a 42-exciting coil, a 5-supporting table, a 51-fixing clamp plate, a 52-fastening bolt, a 6-stress sensor, a 7-upper clamp plate, a 8-lower clamp plate, a 81-back plate, a 9-laser vibration meter, a 91-first laser vibration meter, a 92-second laser vibration meter, a 10-screw rod, a 11-supporting frame and a 12-base.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
The present embodiment provides an amorphous alloy magnetostriction measurement device, as shown in fig. 1 to 3, including:
an amorphous alloy laminated core 1, wherein a magnetic flux density measuring coil 2 is wound on the amorphous alloy laminated core 1, a reflector 3 is adhered to the upper surface of the amorphous alloy laminated core 1, and a reflector 3 is adhered to one side surface of the amorphous alloy laminated core;
as shown in fig. 2 to 3, the U-shaped yoke 41 is wound with an exciting coil 42 (the exciting coil 42 in fig. 3 is schematically drawn), and the amorphous alloy laminated core 1 is placed on the upper surface of the U-shaped yoke-containing casting 4 along the length direction to form a closed magnetic circuit with the U-shaped yoke 41;
the support table 5 is arranged on one side of the casting body 4 comprising the U-shaped magnetic yoke, is detachably connected with one end of the amorphous alloy laminated iron core 1, and is used for fixing the amorphous alloy laminated iron core 1, and does not shade the end face of the amorphous alloy laminated iron core 1 so as to prevent the first laser vibration meter 91 from being incapable of receiving the change of light reflected by the side surface adhesive reflection sheet 3;
the stress sensor 6 is detachably connected with the other end of the amorphous alloy laminated iron core 1, in the embodiment, an upper clamping plate 7 is arranged on the upper surface of the end part of the amorphous alloy laminated iron core 1, a lower clamping plate 8 is arranged on the lower surface of the end part of the amorphous alloy laminated iron core 1, the lower clamping plate 8 is provided with a back plate 81, the back plate 81 is contacted with the end surface of the end part of the amorphous alloy laminated iron core 1, and the stress sensor 6 is arranged on one side of the back plate 81 away from the end surface of the end part of the amorphous alloy laminated iron core 1;
the laser reflection measurement vibration device selects a laser vibration meter 9 in the present embodiment, including a first laser vibration meter 91 and a second laser vibration meter 92, the first laser vibration meter 91 is disposed on a side of an amorphous alloy laminated core end portion away from the stress sensor, the first laser vibration meter 91 is capable of emitting a light signal to a reflection sheet 3 disposed on an amorphous alloy laminated core side surface, the first laser vibration meter 91 is disposed on the amorphous alloy laminated core end portion near the side surface to which the reflection sheet 3 is adhered in the present embodiment so that the first laser vibration meter 91 is capable of emitting a light signal to the reflection sheet 3 disposed on the amorphous alloy laminated core side surface, the second laser vibration meter 92 is disposed on a side of the amorphous alloy laminated core 1, the second laser vibration meter 92 is capable of emitting a light signal to the reflection sheet 3 disposed on the amorphous alloy laminated core 1 upper surface, and the second laser vibration meter 92 is capable of being disposed slightly higher than the amorphous alloy laminated core 1 upper surface in the present embodiment.
In the above device, when measuring, set pulling force or tension is applied to one end of the amorphous alloy laminated core 1 provided with the stress sensor 6 (which can be adjusted according to the example), the laser vibrometer 9 positioned at the end and the side of the amorphous alloy laminated core 1 is opened to emit infrared signals to the reflective sheet 3 positioned at the upper surface and the side of the amorphous alloy laminated core 1, wherein the first laser vibrometer 91 and the reflective sheet 3 positioned at the side of the amorphous alloy laminated core 1 form a group for measuring magnetostriction generated along the magnetic circuit direction on the wide surface of the amorphous alloy laminated core, the second laser vibrometer 92 and the reflective sheet 3 positioned at the upper surface of the amorphous alloy laminated core 1 form a group for measuring magnetostriction along the amorphous alloy laminated core direction, exciting voltage is applied to the exciting coil 42 on the U-shaped magnetic yoke 41, the exciting voltage is measured in real time by the magnetic flux density measuring coil 2 until the magnetic flux density reaches the set value, magnetostriction effect is generated by the amorphous alloy laminated core 1 under the magnetic field effect, the reflective sheet 3 is measured, the reflective light changes to obtain the quantity of the amorphous alloy laminated core 1, the magnetostriction can not be accurately represented by the magnetostriction effect of the magnetostriction measuring device, and the voltage distribution characteristics of the current magnetic circuit can not be represented in the direction along the magnetic circuit direction, and the voltage distribution characteristics of the current direction can not be represented by the magnetostriction, and the voltage distribution characteristics of the current direction can not be represented by the current direction, and the magnetostriction can not be represented by the voltage, and the voltage.
In this embodiment, the amorphous alloy laminated core 1 is formed by stacking a plurality of identical strip-shaped amorphous alloy strip strips, and as a more preferred embodiment, the amorphous alloy laminated core is formed by stacking the strip-shaped amorphous alloy strip strips in an upright state (as shown in fig. 1, which is a simplified drawing method), so that a magnetic field generated by a magnetic yoke is ensured to enter from a narrow surface of each amorphous alloy strip, and the magnetic field is prevented from directly entering a wide surface of the strip of amorphous alloy strip to generate a larger eddy current influence, thereby generating a blocking effect on the magnetic field generated by the magnetic yoke.
As a preferred embodiment, the length of the amorphous alloy laminated core 1 is greater than that of the U-shaped magnetic yoke, the width of the amorphous alloy laminated core 1 is the same as that of the U-shaped magnetic yoke 41, so that the magnetic field of the whole magnetic circuit is in an optimal state, if the width is smaller than that of the U-shaped magnetic yoke, unnecessary magnetic leakage can be generated in the redundant magnetic yoke part to affect the uniformity of the magnetic field of the amorphous alloy strip sheet to be tested, and if the width exceeds that of the U-shaped magnetic yoke, no magnetic field passes through the amorphous alloy strip sheet exceeding the magnetic yoke part and is in an idle state, so that unnecessary waste is generated.
As the preferred implementation mode, the number of turns of the magnetic flux density measuring coil 2 is more than or equal to 10 turns, and the induction voltage generated by the magnetic flux density measuring coil 2 is larger, so that the number of turns of the magnetic flux density measuring coil is more than or equal to 10 turns, and the phenomenon that the voltage signal generated by the measuring coil is too small, is easy to interfere and affects the measuring precision is avoided.
In this embodiment, the amorphous alloy laminated core 1 is manufactured by adopting an amorphous alloy distribution transformer process, and mainly comprises two steps: firstly, stacking and forming the cut amorphous alloy strip, secondly, curing the amorphous alloy strip into an integral amorphous alloy laminated core through epoxy resin dipping, and manufacturing the amorphous alloy laminated core 1.
In this embodiment, as shown in fig. 2-3, the casting body 4 including the U-shaped yoke is a cuboid, and two identical yoke end surfaces at the opening of the U-shaped yoke 41 are on the same horizontal plane with the upper surface of the casting body 4 including the U-shaped yoke. The casting body 4 comprising the U-shaped magnetic yoke is prepared according to a conventional method, and specifically comprises the following steps: the U-shaped magnetic yoke 41 wound with the exciting coil 42 is placed in a cuboid mold, two identical magnetic yoke end faces at the opening of the U-shaped magnetic yoke 41 are flush with the upper surface of the cuboid mold, then epoxy resin is poured into the mold, the mold is removed after casting molding, and a casting body is formed, and finally the casting body is shown as shown in fig. 2. The casting (casting 4 containing the U-shaped yoke) surrounded by the U-shaped yoke 41 with the excitation coil 42 serves two purposes: firstly, the U-shaped magnetic yoke 41 is cast and molded to improve the mechanical strength of the magnetic yoke, secondly, the formed casting body can play a role in supporting the amorphous alloy laminated iron core 1 to be tested, and the U-shaped magnetic yoke is prevented from being subjected to the action of large pressure, so that the performance change influences the measurement result.
As an improved embodiment, one end of the amorphous alloy laminated core 1 is placed on the supporting table 5 and is detachably connected with the supporting table 5, and in this embodiment, a fixing clamp plate 51 is provided on the upper surface of the end of the one end of the amorphous alloy laminated core 1, and the fixing clamp plate 51 is connected with the supporting table 5 through a fastening bolt 52 to clamp the one end of the amorphous alloy laminated core 1.
As a modified embodiment, the support table 5 and the casting body 4 comprising the U-shaped magnetic yoke are fixedly provided with a base 12 below.
As an improved embodiment, a screw 10 is connected to the side, far away from the back plate 81, of the stress sensor 6, the screw 10 is a rotary screw, the screw 10 is supported by a fixed support frame 11, and the support frame 11 is placed on a base 12.
The invention provides an amorphous alloy magnetostriction measuring method, by using the amorphous alloy magnetostriction measuring device, a plurality of amorphous alloys to be measured are stacked, 2500 strips of the same strip-shaped amorphous alloy strips are vertically stacked to form an amorphous alloy laminated iron core 1 in the embodiment, the length of the amorphous alloy laminated iron core 1 is larger than that of a U-shaped magnetic yoke 41, the width of the amorphous alloy laminated iron core 1 is the same as that of the U-shaped magnetic yoke 41, a magnetic flux density measuring coil 2 (the number of turns is more than or equal to 10 turns) is wound on the amorphous alloy laminated iron core 1, a reflector 3 is adhered to the upper surface of the amorphous alloy laminated iron core 1, and then the reflector 3 is adhered to one side surface, and then the amorphous alloy magnetostriction measuring device is installed, as shown in fig. 1-2, in the measuring process, an exciting voltage is applied to the exciting coil 42, the magnetic flux density in the amorphous alloy laminated iron core 1 is measured in real time through the magnetic flux density measuring coil 2, and the exciting voltage is adjusted until the magnetic flux density reaches a set value (the magnetic flux density can be adjusted according to the example, for example, 1.0T, 1.0 T.2 is equal to the set value). The amorphous alloy laminated core 1 generates magnetostriction effect under the action of a magnetic field, and the first laser vibration meter 91 and the second laser vibration meter 92 at the end and the side surface of the amorphous alloy laminated core 1 sense the change of reflected light of the reflection sheet, so that the magnetostriction quantity of the magnetic conduction direction and the lamination direction of the amorphous alloy laminated core 1 is measured.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (15)
1. The amorphous alloy magnetostriction measurement method is characterized by comprising the following steps of:
winding a magnetic flux density measuring coil on an amorphous alloy laminated core, and arranging a reflector on the upper surface and at least one side surface of the amorphous alloy laminated core;
placing the amorphous alloy laminated iron core on a casting body comprising a U-shaped magnetic yoke, winding an exciting coil on the U-shaped magnetic yoke, forming a closed magnetic circuit by the amorphous alloy laminated iron core and the U-shaped magnetic yoke, fixing one end of the amorphous alloy laminated iron core, and mounting a stress sensor on the other end of the amorphous alloy laminated iron core;
during measurement, pulling force or tension is applied to the stress sensor, then an emission light source is utilized to emit light signals to the reflector, excitation voltage is applied to the excitation coil, the magnetic flux density in the amorphous alloy laminated iron core is measured in real time through the magnetic flux density measuring coil, the excitation voltage is adjusted until the magnetic flux density reaches a set value, and then the change of reflected light on the reflector is measured, so that the magnetostriction quantity of the amorphous alloy laminated iron core is obtained.
2. The method of claim 1, wherein the amorphous alloy laminated core is formed by stacking strips of the same elongated amorphous alloy strip.
3. The method for measuring magnetostriction of an amorphous alloy according to claim 2, wherein,
the amorphous alloy laminated core is formed by laminating the same strip-shaped amorphous alloy strip strips in an upright state.
4. The amorphous alloy magnetostriction measurement method according to claim 1 or 2, wherein a length of said amorphous alloy laminated core is greater than a length of a U-shaped yoke, and a width of said amorphous alloy laminated core is the same as a width of said U-shaped yoke.
5. The method for measuring magnetostriction of an amorphous alloy according to claim 1 or 2, wherein said casting body containing a U-shaped yoke is a rectangular parallelepiped, and two identical yoke end surfaces at an opening of the U-shaped yoke are on the same horizontal plane as an upper surface of said casting body containing the U-shaped yoke.
6. The method for measuring magnetostriction of an amorphous alloy according to claim 1 or 2, wherein the number of turns of the magnetic flux density measuring coil is not less than 10 turns.
7. An amorphous alloy magnetostriction measurement device, comprising:
an amorphous alloy laminated core, on which a magnetic flux density measuring coil is wound, and on the upper surface and at least one side surface of which a reflection sheet is provided;
the amorphous alloy laminated iron core is arranged on the casting body comprising the U-shaped magnetic yoke, an exciting coil is wound on the U-shaped magnetic yoke, and a closed magnetic circuit is formed by the amorphous alloy laminated iron core and the U-shaped magnetic yoke;
the support table is arranged on one side of the casting body containing the U-shaped magnetic yoke in the length direction, and is detachably connected with one end of the amorphous alloy laminated iron core and used for fixing the amorphous alloy laminated iron core;
the stress sensor is detachably connected with the other end of the amorphous alloy laminated iron core;
the laser reflection measurement vibration device comprises a first laser reflection measurement vibration device and a second laser reflection measurement vibration device, wherein the first laser reflection measurement vibration device is arranged on one side of the end part of the amorphous alloy laminated core far away from the stress sensor, and the second laser reflection measurement vibration device is arranged on one side of the side surface of the amorphous alloy laminated core; the first laser reflection measurement vibration device can emit light signals to a reflector arranged on the side surface of the amorphous alloy laminated core; the second laser reflection measurement vibration device can emit light signals to a reflection sheet arranged on the upper surface of the amorphous alloy laminated core.
8. The amorphous alloy magnetostriction measuring device according to claim 7, wherein the casting body comprising the U-shaped magnetic yoke is a cuboid, and two identical magnetic yoke end faces at the opening of the U-shaped magnetic yoke are positioned on the same horizontal plane with the upper surface of the casting body comprising the U-shaped magnetic yoke.
9. The amorphous alloy magnetostriction measuring device according to claim 8, wherein,
the amorphous alloy laminated core is formed by laminating strips of the same strip-shaped amorphous alloy strips.
10. The amorphous alloy magnetostriction measuring device according to claim 8, wherein,
the amorphous alloy laminated core is formed by laminating the same strip-shaped amorphous alloy strip strips in an upright state.
11. The amorphous alloy magnetostriction measuring device according to claim 8, wherein,
the length of the amorphous alloy laminated iron core is larger than that of the U-shaped magnetic yoke, and the width of the amorphous alloy laminated iron core is the same as that of the U-shaped magnetic yoke.
12. The amorphous alloy magnetostriction measuring device according to claim 11, wherein,
the number of turns of the magnetic flux density measuring coil is more than or equal to 10 turns.
13. The amorphous alloy magnetostriction measurement device according to claim 7 or 8, wherein said stress sensor is detachably connected with an amorphous alloy laminated core end portion, comprising: the upper clamping plate and the lower clamping plate are detachably connected, and a stress sensor is arranged on one surface of the end face of the back plate, far away from the amorphous alloy laminated iron core end, of the back plate.
14. The amorphous alloy magnetostriction measurement device according to claim 13, wherein a screw is connected to said stress sensor.
15. The amorphous alloy magnetostriction measurement device according to claim 14, further comprising a support frame for supporting the screw.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145951A (en) * | 1994-11-28 | 1996-06-07 | Kawasaki Steel Corp | Magnetostriction detector for steel plate |
| KR19980079230A (en) * | 1996-05-13 | 1998-11-25 | 미치오노구치 | Method and apparatus for detecting chain elongation and method for measuring distance |
| CN103558568A (en) * | 2013-11-15 | 2014-02-05 | 沈阳工业大学 | Electrical steel sheet and magnetic property measuring device of combination structure of electrical steel sheets in different stress directions |
| CN104122516A (en) * | 2014-07-23 | 2014-10-29 | 中国计量科学研究院 | Electrical sheet steel magnetostriction measurement system and method |
| CN104569875A (en) * | 2015-01-06 | 2015-04-29 | 北京航空航天大学 | Measuring system and method for two-dimension magnetic properties of silicon steel sheets on controllable stress conditions |
| CN106802399A (en) * | 2016-12-05 | 2017-06-06 | 中国计量科学研究院 | The measuring system and method for a kind of magnetostriction coefficient |
| CN108226826A (en) * | 2017-12-11 | 2018-06-29 | 全球能源互联网研究院有限公司 | A kind of monolithic ferrometer, monolithic specimen measurement device and measuring method |
| CN108801154A (en) * | 2018-07-02 | 2018-11-13 | 中国计量科学研究院 | Using the measuring apparatus and method of the magnetostriction material in large of Double passage laser displacement method |
| CN110375656A (en) * | 2019-07-09 | 2019-10-25 | 武汉钢铁有限公司 | The measuring device and measuring method of magnetostriction coefficient |
| CN113156349A (en) * | 2021-05-18 | 2021-07-23 | 厦门理工学院 | Method and device for measuring magneto-mechanical properties of material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6424150B2 (en) * | 1999-03-17 | 2002-07-23 | Southwest Research Institute | Magnetostrictive sensor rail inspection system |
-
2021
- 2021-09-30 CN CN202111157760.XA patent/CN114047465B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145951A (en) * | 1994-11-28 | 1996-06-07 | Kawasaki Steel Corp | Magnetostriction detector for steel plate |
| KR19980079230A (en) * | 1996-05-13 | 1998-11-25 | 미치오노구치 | Method and apparatus for detecting chain elongation and method for measuring distance |
| CN103558568A (en) * | 2013-11-15 | 2014-02-05 | 沈阳工业大学 | Electrical steel sheet and magnetic property measuring device of combination structure of electrical steel sheets in different stress directions |
| CN104122516A (en) * | 2014-07-23 | 2014-10-29 | 中国计量科学研究院 | Electrical sheet steel magnetostriction measurement system and method |
| CN104569875A (en) * | 2015-01-06 | 2015-04-29 | 北京航空航天大学 | Measuring system and method for two-dimension magnetic properties of silicon steel sheets on controllable stress conditions |
| CN106802399A (en) * | 2016-12-05 | 2017-06-06 | 中国计量科学研究院 | The measuring system and method for a kind of magnetostriction coefficient |
| CN108226826A (en) * | 2017-12-11 | 2018-06-29 | 全球能源互联网研究院有限公司 | A kind of monolithic ferrometer, monolithic specimen measurement device and measuring method |
| CN108801154A (en) * | 2018-07-02 | 2018-11-13 | 中国计量科学研究院 | Using the measuring apparatus and method of the magnetostriction material in large of Double passage laser displacement method |
| CN110375656A (en) * | 2019-07-09 | 2019-10-25 | 武汉钢铁有限公司 | The measuring device and measuring method of magnetostriction coefficient |
| CN113156349A (en) * | 2021-05-18 | 2021-07-23 | 厦门理工学院 | Method and device for measuring magneto-mechanical properties of material |
Non-Patent Citations (1)
| Title |
|---|
| 退火对非晶合金磁特性及铁心磁致振动的影响;石永恒;祝丽花;韩天衡;李维铮;;金属热处理(第04期);全文 * |
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