CN215297641U - Device for automatically recording remanence curve squareness ratio parameter - Google Patents
Device for automatically recording remanence curve squareness ratio parameter Download PDFInfo
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- CN215297641U CN215297641U CN202121423034.3U CN202121423034U CN215297641U CN 215297641 U CN215297641 U CN 215297641U CN 202121423034 U CN202121423034 U CN 202121423034U CN 215297641 U CN215297641 U CN 215297641U
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Abstract
The utility model relates to an automatic change device of record remanence curve rectangle ratio parameter, including magnetization module, magnetic field intensity measurement module, magnetic induction measurement module and treater, the magnetization module includes yoke, magnetization winding, is used for the utmost point post and the utmost point post length adaptive mechanism of centre gripping and magnetization test, magnetic induction measurement module includes measuring coil and coil aversion mechanism, measuring coil sets up in coil aversion mechanism, utmost point post length adaptive mechanism, magnetic induction measurement module and measuring coil all link to each other with the treater. The utility model has the advantages that: the length adjustment of the second pole is automatically completed, the length of the sample is obtained, a data base is provided for the coil shifting mechanism to adjust the position of the coil, the automatic measurement of the rectangular ratio is realized, the operation is convenient, and the test result is not easily influenced by manual operation factors.
Description
Technical Field
The utility model relates to a rectangle is than measuring field, especially relates to an automatic change device of record remanence curve rectangle ratio parameter.
Background
The squareness ratio represents an important parameter for the degree of squareness of the hysteresis loop of the magnetic recording material. In the standard GB/T3217-2013 permanent magnet (hard magnet) material magnetic test method, a device and a method for measuring the rectangular ratio of the permanent magnet material are provided, but the device needs to manually adjust the position of a measuring coil and the length of a pole according to the length of a sample, so that the automation degree is low, and the operation is complicated.
Disclosure of Invention
The utility model discloses it is low than measuring device degree of automation mainly to have solved current rectangle, and complex operation's problem provides a sample suitable for different length, and the automatic recording remanence curve rectangle of measuring coil position of can automatic adjustment is than the device of parameter.
The utility model provides a technical scheme that its technical problem adopted is, an automatic change device of record remanence curve rectangle ratio parameter, including magnetization module, magnetic field intensity measurement module, magnetic induction measurement module and treater, the magnetization module includes yoke, magnetization winding, is used for centre gripping and magnetization test's utmost point post and utmost point post length self-adaptation mechanism, magnetic induction measurement module includes measuring coil and coil aversion mechanism, measuring coil sets up on coil aversion mechanism, utmost point post length self-adaptation mechanism, magnetic induction measurement module and measuring coil all link to each other with the treater.
Utmost point post length self-adaptation mechanism can adjust the utmost point post length of deepening the yoke according to sample length to detect the length of sample, the treater makes the coil be located the sample middle part and symmetrical in sample both ends face according to sample length control coil shift mechanism, need not manual adjustment, simple operation.
As a preferable scheme of the above scheme, the magnetic yoke includes a first yoke body and a second yoke body, the pole includes a first pole and a second pole, the first pole is fixedly disposed on the first yoke body, a through hole is disposed at a position of the second yoke body corresponding to the first yoke body, the second pole is slidably disposed in the through hole, and the pole length adaptive mechanism is disposed at an end of the second pole, which is far away from the first pole. For test samples with different lengths, the pole length self-adaptive mechanism can correspondingly change the length of the second pole extending into the second yoke body, so that the first pole and the second pole can be abutted against two end faces of the sample.
As an optimal scheme of above-mentioned scheme, surge count timing unit includes relay, counter and time-recorder, utmost point post length self-adaptation mechanism includes connecting rod, baffle, pressure sensor and spring, the baffle passes through the fixed setting of connecting rod on the second yoke body, spring one end links to each other with the second utmost point post, and the spring other end links to each other with pressure sensor response end, pressure sensor is fixed to be set up on the baffle, and the pressure sensor output links to each other with the treater. The pressure detected by the pressure sensor can reflect the length of the sample, so that the length of the sample can be detected, and the coil displacement mechanism can conveniently adjust the position of the coil.
As a preferable mode of the above-mentioned aspect, the second yoke is fixedly disposed on the electric telescopic rod. The second yoke body moves to the bottom of the electric telescopic rod, so that the second yoke body and the first yoke body form a finished magnetic yoke, and the second pole and the first pole can be abutted against two end faces of the sample.
As a preferable scheme of the above scheme, the coil displacement mechanism comprises a clamp, a connecting rod and a controllable telescopic rod, the measuring coil is arranged on the clamp, the clamp is vertically connected with the controllable telescopic rod through the connecting rod, and a control end of the controllable telescopic rod is connected with the processor. The coil position is adjusted by adjusting the length of the telescopic rod.
As a preferable mode of the above scheme, the magnetic field strength measurement module is a hall element.
As a preferable scheme of the above scheme, a touch display screen is arranged on the processor.
As a preferable scheme of the above scheme, the magnetizing winding is connected with a controllable power supply, and a control end of the controllable power supply is connected with the processor.
The utility model has the advantages that: the length adjustment of the second pole is automatically completed, the length of the sample is obtained, a data base is provided for the coil shifting mechanism to adjust the position of the coil, the automatic measurement of the rectangular ratio is realized, the operation is convenient, and the test result is not easily influenced by manual operation factors.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for automatically recording squareness ratio parameters of remanence curves in an embodiment.
Fig. 2 is a schematic structural diagram of the coil shift mechanism in the embodiment.
The method comprises the following steps of 1, an electric telescopic rod 2, a baffle 3, a pressure sensor 4, a spring 5, a connecting rod 6, a second pole 7, a magnetizing winding 8, a second yoke 9, a first yoke 10, a magnetic field intensity measuring module 11, a first pole 12, a sample 13, a measuring coil 14, a clamp device 15, a connecting rod 16 and a controllable telescopic rod.
Detailed Description
The technical solution of the present invention is further described below by way of examples and with reference to the accompanying drawings.
Example (b):
the embodiment provides an automatic change device of record remanence curve rectangular ratio parameter, including the magnetization module, magnetic field intensity measurement module 10, magnetic induction intensity measurement module and treater, the magnetization module includes the yoke, magnetization winding 7, a utmost point post and utmost point post length adaptive mechanism for centre gripping and magnetization sample 12, magnetic induction intensity measurement module includes measuring coil 13 and coil aversion mechanism, measuring coil 13 sets up on coil aversion mechanism, utmost point post length adaptive mechanism, magnetic induction intensity measurement module and measuring coil all link to each other with the treater, still be equipped with touch-control display screen on the treater.
As shown in fig. 1, the magnetic yoke includes a first yoke body 9 and a second yoke body 8, the pole includes a first pole 11 and a second pole 6, the first pole 11 is fixed on the first yoke body 9, the second yoke body 8 is provided with a through hole corresponding to the first yoke body 9, the second pole 6 is slidably disposed in the through hole, and the pole length adaptive mechanism is disposed at the second pole 6 and far away from the first pole. The first pole column and the second pole column are wound with magnetizing windings near the end faces, the magnetizing windings are connected with a controllable power supply, the control end of the controllable power supply is connected with a processor, and the field intensity of the magnetic field generated by the two pole columns can be adjusted by controlling the current of the controllable power supply.
Utmost point post length adaptive mechanism includes connecting rod 5, baffle 2, pressure sensor 3 and spring 4, and baffle 2 passes through connecting rod 5 fixed the setting on second yoke body 8, and 4 one ends of spring link to each other with second utmost point post 6, and the 4 other ends of spring link to each other with 3 response ends of pressure sensor, and pressure sensor 3 is fixed to be set up on baffle 2, and the pressure sensor output links to each other with the treater, and when the spring did not take place deformation, the second utmost point post offsets with first utmost point post just. The fixed setting of second yoke body is on electric telescopic handle, when the device did not use, electric telescopic handle is in the shrink state, at this moment, first yoke body and the separation of second yoke body, when using, electric telescopic handle extension, first yoke body offsets with the second yoke body, form a complete yoke, at this in-process, the second utmost point post also moves to first utmost point post along with the second yoke body, when having the sample to exist between first utmost point post and the second utmost point post, the spring can be compressed, after electric telescopic handle no longer extends, according to the pressure level spring's of the spring that pressure sensor detected elasticity coefficient probably obtains the length of sample.
The magnetic field strength measuring module 10 is a hall element, and is arranged in a space corresponding to the cross sections of the first pole column and the second pole column, namely, in a magnetic field formed by the first pole column and the second pole column.
As shown in fig. 2, the coil displacement mechanism includes a clamp 14, a connecting rod 15 and a controllable telescopic rod 16, the measuring coil is disposed on the clamp, the clamp is vertically connected to the controllable telescopic rod through the connecting rod, and a control end of the controllable telescopic rod is connected to the processor. The clamp is always in the same straight line with the center of the first pole column and the center of the second pole column, when the test is not carried out, the controllable telescopic rod is in a contraction state, and at the moment, the clamp 14 is close to the end of the first pole column and is abutted against the first pole column.
When testing, the worker winds the measuring coil around a section of the test piece and causes the clamp to clamp the measuring coil. The second yoke body moves to the first yoke body under electric telescopic handle's effect, constitute complete yoke with the first yoke body, at this in-process, second utmost point post terminal surface offsets with the sample, the spring in the utmost point post length adaptive mechanism is compressed, electric telescopic handle stops after the extension, pressure sensor obtains the elasticity of spring and transmits for the treater, the treater calculates the length of spring compression according to spring force and elastic coefficient, this length is sample length promptly, according to the controllable telescopic link of experimental length control removal, make the coil move the sample middle part and be symmetrical in sample both ends face. And then the processor controls the output current of the controllable power supply, a magnetic field is generated between the first pole column and the second pole column to saturate the sample, the magnetic flux density when the sample is saturated and the magnetic field generated by the magnetization module are recorded, then the current output of the controllable power supply is reduced, the magnetic field generated by the magnetization module is monotonically reduced until the field intensity is 0, the change condition of the magnetic flux density of the sample is recorded, a remanence curve is drawn, and the rectangular ratio is calculated.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. A device for automatically recording remanence curve squareness ratio parameters is characterized in that: including magnetization module, magnetic field intensity measurement module, magnetic induction measurement module and treater, the magnetization module includes yoke, magnetization winding, is used for the utmost point post and the utmost point post length adaptive mechanism of centre gripping and magnetization sample, magnetic induction measurement module is including measuring coil and coil aversion mechanism, measuring coil sets up on coil aversion mechanism, utmost point post length adaptive mechanism, magnetic induction measurement module and measuring coil all link to each other with the treater.
2. The apparatus of claim 1, wherein the apparatus for automatically recording squareness ratio parameter of remanence curve is characterized in that: the yoke includes first yoke body and second yoke body, and utmost point post includes first utmost point post and second utmost point post, first utmost point post is fixed to be set up on first yoke body, second yoke body corresponds first yoke body department and is equipped with the through-hole, second utmost point post slides and sets up in the through-hole, utmost point post length self-adaptation mechanism sets up and keeps away from first utmost point post end at second utmost point post.
3. The apparatus of claim 2, wherein the apparatus for automatically recording squareness ratio parameter of remanence curve is characterized in that: utmost point post length adaptive mechanism includes connecting rod, baffle, pressure sensor and spring, the baffle passes through the connecting rod and fixes setting on the second yoke body, spring one end links to each other with the second utmost point post, and the spring other end links to each other with pressure sensor response end, pressure sensor is fixed to be set up on the baffle, and the pressure sensor output links to each other with the treater.
4. An apparatus for automatically recording squareness ratio parameters of remanence curves according to claim 2 or 3, characterized in that: the second yoke body is fixedly arranged on the electric telescopic rod.
5. The apparatus of claim 1, wherein the apparatus for automatically recording squareness ratio parameter of remanence curve is characterized in that: the coil displacement mechanism comprises a clamp, a connecting rod and a controllable telescopic rod, the measuring coil is arranged on the clamp, the clamp is vertically connected with the controllable telescopic rod through the connecting rod, and the control end of the controllable telescopic rod is connected with the processor.
6. The apparatus of claim 1, wherein the apparatus for automatically recording squareness ratio parameter of remanence curve is characterized in that: the magnetic field intensity measuring module is a Hall element.
7. The apparatus of claim 1, wherein the apparatus for automatically recording squareness ratio parameter of remanence curve is characterized in that: and a touch display screen is arranged on the processor.
8. The apparatus of claim 2, wherein the apparatus for automatically recording squareness ratio parameter of remanence curve is characterized in that: the magnetizing winding is connected with a controllable power supply, and the control end of the controllable power supply is connected with the processor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121423034.3U CN215297641U (en) | 2021-06-25 | 2021-06-25 | Device for automatically recording remanence curve squareness ratio parameter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121423034.3U CN215297641U (en) | 2021-06-25 | 2021-06-25 | Device for automatically recording remanence curve squareness ratio parameter |
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| CN215297641U true CN215297641U (en) | 2021-12-24 |
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| CN202121423034.3U Active CN215297641U (en) | 2021-06-25 | 2021-06-25 | Device for automatically recording remanence curve squareness ratio parameter |
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- 2021-06-25 CN CN202121423034.3U patent/CN215297641U/en active Active
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