CN101387693B - Permanent magnet declination measuring meter and measurement method - Google Patents
Permanent magnet declination measuring meter and measurement method Download PDFInfo
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- CN101387693B CN101387693B CN2008101217693A CN200810121769A CN101387693B CN 101387693 B CN101387693 B CN 101387693B CN 2008101217693 A CN2008101217693 A CN 2008101217693A CN 200810121769 A CN200810121769 A CN 200810121769A CN 101387693 B CN101387693 B CN 101387693B
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Abstract
The invention relates to a permanent magnet magnetic declination measuring watch and a measurement method. The permanent magnet magnetic declination measuring watch comprises a watch shell, a scale base and a watch base which are connected with two sides of the watch shell, and a non-magnetic declination magnet, wherein the front face of the scale base is provided with a scale ring, which center is provided with a pointer which rotation shaft penetrates through the scale base, a test magnet at the back of the scale base is fixedly connected with the rotation shaft of the pointer, the center of the magnetic pole dividing line of the test magnet is at the rotation shaft of the pointer, the pointer is vertical to the magnetic pole dividing line of the test magnet, the center of the watch base is provided with a rectangle hole for arranging the non-magnetic declination magnet. The measurement method comprises: arranging a non-magnetic declination magnet into the rectangle hole of the measuring watch, adjusting zero, taking out the magnet, arranging an object magnet, considering the index of the pointer as the read number of the magnetic declination of the object magnet. The invention has simple measurement process, virtual magnetic deviation read number, fast identification and improved production efficiency.
Description
Technical field
The invention belongs to field of motor manufacturing, relate in particular to a kind of permanent magnet declination measuring meter and measuring method of guaranteeing the AC servo motor precision.
Background technology
The high-precision AC servomotor is all very high to the requirement of magnetic property, magnetic field intensity and the magnetic declination of used permanent magnet.The motor precision is high more, and the magnetic declination of used permanent magnet will be more little.The rotary permanent-magnet servomotor all must overcome the slot effect of motor earlier.Slot effect is created in the matching rotation of rotor of AC servo motor.Rotor permanent magnet is permanent-magnetic clamp, eliminate slot effect, and the radiative collision line of force that will make every permanent magnet forming permanent-magnetic clamp is preferably perpendicular to the magnetic pole separatrix of rotor magnetic.But have any problem during the processing permanent magnet, the permanent magnet that obtains after the general processing all can produce magnetic declination.So behind the processing permanent magnet,,, must carry out magnetic declination to each piece magnetic and differentiate, pick out the satisfactory magnetic of magnetic declination for eliminating the motor slot effect to the AC servo motor of high-precision requirement.The measurement of magnetic magnetic declination is originally tested with intelligent rotation table magnetic tester instrument, and the magnetic declination of surveying a magnetic needs spend 2,3 hours, and is very time-consuming, and need do an anchor clamps, measures inconvenience, and production efficiency is also low.
Summary of the invention
The measurement inconvenience that the present invention mainly solves the magnetic declination of original magnetic wastes time and energy, the technical matters that production efficiency is lower; Provide a kind of measurement convenient, improve the measuring speed of magnetic magnetic declination greatly, permanent magnet declination measuring meter of enhancing productivity and measuring method.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: permanent magnet declination measuring meter of the present invention, comprise watchcase and be connected in pair of buttons on either side the scale gauge stand and the table base, also comprise a no magnetic declination magnetic, there is a circle scale in the front of described scale gauge stand, its center is provided with a pointer, the turning axle of pointer passes the scale gauge stand, the back side of scale gauge stand is provided with a test magnetic, test is fastenedly connected on the turning axle of described pointer with magnetic, and test is with on the marginal turning axle that is centered close to pointer of the magnetic pole of magnetic, described pointer is vertical with the magnetic pole separatrix of magnetic with test, and the center of described table base is provided with the slot that can put into described no magnetic declination magnetic.The size of no magnetic declination magnetic and tested magnetic big or small identical is as the pointer zeroing sample piece of standard.The position of slot is corresponding with the initial position of testing with magnetic, the test volume of the volume of magnetic less than tested magnetic, and the magnetic pole separatrix of the magnetic line of force of magnetic perpendicular to it used in test.When in slot, putting into tested magnetic, be subjected to the magneticaction of tested magnetic, test can be rotated with magnetic, drives pointer and rotates together, and the registration of pointer is exactly the reading of the magnetic declination of tested magnetic.
As preferably, described scale gauge stand and described watchcase are for flexibly connecting.Guarantee that the scale gauge stand can rotate on watchcase, be convenient to the pointer zeroing.
As preferably, the back side of described scale gauge stand is provided with two reference columns that are symmetrical in the turning axle of described pointer, support is installed on the reference column, and the center of support is connected on the turning axle of pointer, and described test uses magnetic between scale gauge stand and support.Guarantee that the turning axle of pointer can not be partial to, guarantee to test firmly being connected on the turning axle of pointer with magnetic.
As preferably, the used material of turning axle of described watchcase, scale gauge stand, table base and support, pointer, pointer is non-magnet material.The screw, the nut that connect usefulness also are non-magnet materials, make above-mentioned parts magnetization phenomenon can not take place, and guarantee the accuracy that magnetic declination is measured.
Use the measuring method of the permanent magnet magnetic drift angle of above-mentioned permanent magnet declination measuring meter, comprise the following steps:
A. described no magnetic declination magnetic is put into the slot of described table base, made pointer a sensing be arranged the zero degree position of rotatable scale gauge stand, forward to pointed and overlap, zeroing work is finished like this;
B. take out described no magnetic declination magnetic;
C. tested magnetic is put into the slot of described table base, if test drives the pointer rotation with the magnetic rotation, then the registration of pointer is exactly the number of degrees of the magnetic declination of tested magnetic; If test is not rotated with magnetic, pointer still points to zero degree, and then tested magnetic does not have magnetic declination.
The invention has the beneficial effects as follows: permanent magnet declination measuring meter is simple in structure, and cost is lower, and is practical.Drive the pointer rotation by test with the magnetic rotation, the registration of pointer is exactly the reading of tested magnetic magnetic declination, it is convenient to measure, the magnetic declination reading is directly perceived, the magnetic declination of surveying a magnetic only needs 5,6 minutes, differentiates fast, significantly reduces and measures the used time, effect is obvious, and production efficiency is improved.
Description of drawings
Fig. 1 is a kind of three-dimensional decomposition texture synoptic diagram of permanent magnet declination measuring meter of the present invention.
Fig. 2 is a kind of axial sectional structure synoptic diagram of permanent magnet declination measuring meter of the present invention when putting into tested magnetic.
1. watchcases among the figure, 2. scale gauge stand, 3. the table base does not 4. have the magnetic declination magnetic, 5. pointer, 6. the turning axle of pointer is 7. tested and is used magnetic, 8. slot, 9. reference column, 10. support, 11. tested magnetics.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: the permanent magnet declination measuring meter of present embodiment, as shown in Figure 1 and Figure 2, comprise watchcase 1 and be connected in the scale gauge stand 2 and the table base 3 of watchcase 1 both sides, also comprise a no magnetic declination magnetic 4, scale gauge stand 2 and watchcase 1 flexibly connects, and table base 3 and watchcase 1 are fastenedly connected by screw.There is a circle scale in the front of scale gauge stand 2, there is a pointer 5 at its center, and the turning axle 6 of pointer passes scale gauge stand 2, and there are two reference columns 9 that are symmetrical in the turning axle 6 of pointer at the back side of scale gauge stand 2, support 10 is installed on the reference column 9, and the center of support 10 is connected on the turning axle 6 of pointer.Test magnetic 7 is arranged between the back side of scale gauge stand 2 and the support 10, test is connected on the turning axle 6 of pointer with magnetic 7 fixing sleeves, and test is with on the marginal turning axle 6 that is centered close to pointer of the magnetic pole of magnetic 7, and pointer 5 is vertical with the magnetic pole separatrix of testing usefulness magnetic 7.The centre bit of table base 3 is equipped with the slot 8 that can put into no magnetic declination magnetic 4, and the size of no magnetic declination magnetic 4 and tested magnetic 11 big or small identical is as the pointer of the standard sample piece that returns to zero.The position of slot 8 is corresponding with the initial position of testing with magnetic 7, the test volume of the volume of magnetic 7 less than tested magnetic 11, and the magnetic pole separatrix of the magnetic line of force of magnetic 7 perpendicular to it used in test.Dotted line is depicted as the magnetic pole separatrix of magnetic among Fig. 1, Fig. 2.The turning axle 6 and the used material of attachment screw of watchcase 1, scale gauge stand 2, table base 3, support 10, pointer 5, pointer are non-magnet material.
Use the measuring method of the permanent magnet magnetic drift angle of above-mentioned permanent magnet declination measuring meter, comprise the following steps:
A. described no magnetic declination magnetic 4 is put into the slot 8 of table base 3, rotation scale gauge stand 2 makes pointer 5 point to the zero degree position of scale gauge stand 2;
B. take out no magnetic declination magnetic 4;
C. tested magnetic 11 is put into the slot 8 of table base 3, if test drives pointer 5 rotations with magnetic 7 rotations, then the registration of pointer 5 is exactly the number of degrees of the magnetic declination of tested magnetic 11; If test is not rotated with magnetic 7, pointer 5 still points to zero degree, then tested magnetic 11 no magnetic declination.
Permanent magnet declination measuring meter of the present invention is simple in structure, and cost is lower, and is practical.Drive the pointer rotation by test with the magnetic rotation, the registration of pointer is exactly the reading of tested magnetic magnetic declination, and it is convenient to measure, the magnetic declination reading is directly perceived, and the magnetic declination of surveying a magnetic only needs 5,6 minutes, differentiates fast, significantly reduce and measure the used time, production efficiency is improved significantly.
Claims (5)
1. permanent magnet declination measuring meter, it is characterized in that comprising watchcase (1) and be connected in watchcase (1) both sides scale gauge stand (2) and the table base (3), also comprise a no magnetic declination magnetic (4), there is a circle scale in the front of described scale gauge stand (2), its center is provided with a pointer (5), the turning axle of pointer (6) passes scale gauge stand (2), the back side of scale gauge stand (2) is provided with test magnetic (7), test is fastenedly connected on the turning axle (6) at described pointer with magnetic (7), and test is with on the marginal turning axle (6) that is centered close to pointer of the magnetic pole of magnetic (7), described pointer (5) is vertical with the magnetic pole separatrix of magnetic (7) with test, and the center of described table base (3) is provided with the slot (8) that can put into described no magnetic declination magnetic (4).
2. permanent magnet declination measuring meter according to claim 1 is characterized in that described scale gauge stand (2) and described watchcase (1) are for flexibly connecting.
3. permanent magnet declination measuring meter according to claim 1, the back side that it is characterized in that described scale gauge stand (2) is provided with two reference columns (9) that are symmetrical in the turning axle (6) of described pointer, support (10) is installed on the reference column (9), the center of support (10) is connected on the turning axle (6) of pointer, and described test is positioned between scale gauge stand (2) and the support (10) with magnetic (7).
4. permanent magnet declination measuring meter according to claim 3 is characterized in that the used material of turning axle (6) of described watchcase (1), scale gauge stand (2), table base (3) and support (10), pointer (5), pointer is non-magnet material.
5. a measuring method of using the permanent magnet magnetic drift angle of above-mentioned permanent magnet declination measuring meter is characterized in that comprising the following steps:
A. described no magnetic declination magnetic (4) is put into the slot (8) of described table base (3), rotation scale gauge stand (2) makes pointer (5) point to the zero degree position of described scale gauge stand (2);
B. take out described no magnetic declination magnetic (4);
C. tested magnetic (11) is put into the slot (8) of described table base (3), if test drives pointer (5) rotation with magnetic (7) rotation, then the registration of pointer (5) is exactly the number of degrees of the magnetic declination of tested magnetic; If test is not rotated with magnetic (7), pointer (5) still points to zero degree, the no magnetic declination of then tested magnetic (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101217693A CN101387693B (en) | 2008-10-17 | 2008-10-17 | Permanent magnet declination measuring meter and measurement method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101217693A CN101387693B (en) | 2008-10-17 | 2008-10-17 | Permanent magnet declination measuring meter and measurement method |
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| Publication Number | Publication Date |
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| CN101387693A CN101387693A (en) | 2009-03-18 |
| CN101387693B true CN101387693B (en) | 2011-02-09 |
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| CN2008101217693A Active CN101387693B (en) | 2008-10-17 | 2008-10-17 | Permanent magnet declination measuring meter and measurement method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411130B (en) * | 2011-12-09 | 2013-08-07 | 西南应用磁学研究所 | Device and method for measuring magnetic declination of permanent magnet |
| CN103412267B (en) * | 2013-08-20 | 2015-11-18 | 黄可可 | For measuring the method and apparatus of the magnetic declination of tile magnetic element |
| CN106526510B (en) * | 2016-11-21 | 2023-10-13 | 京磁材料科技股份有限公司 | Device and method for measuring magnetic declination of magnet part |
| CN106602808B (en) * | 2017-02-13 | 2020-08-25 | 京磁材料科技股份有限公司 | Assembly method for reducing cogging torque of permanent magnet motor |
| DE102017219584A1 (en) * | 2017-11-03 | 2019-05-09 | Zf Friedrichshafen Ag | Magnetic field sensor and method for mounting a magnet |
| CN110146833A (en) * | 2019-05-30 | 2019-08-20 | 核工业理化工程研究院 | Magnetic steel component measurement method based on LABVIEW |
| CN110057830A (en) * | 2019-05-30 | 2019-07-26 | 核工业理化工程研究院 | Magnetic steel component measuring device based on LABVIEW |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476826Y (en) * | 2001-05-22 | 2002-02-13 | 中国地震局地震研究所 | Magnetic declination compensation measuring device |
| US6906607B1 (en) * | 1999-11-08 | 2005-06-14 | Institut Fur Mikrotechnik Mainz Gmbh | Method for producing and magazining individual magnetic components and the assembly thereof for producing miniaturized magnetic systems and such magnetic systems |
-
2008
- 2008-10-17 CN CN2008101217693A patent/CN101387693B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6906607B1 (en) * | 1999-11-08 | 2005-06-14 | Institut Fur Mikrotechnik Mainz Gmbh | Method for producing and magazining individual magnetic components and the assembly thereof for producing miniaturized magnetic systems and such magnetic systems |
| CN2476826Y (en) * | 2001-05-22 | 2002-02-13 | 中国地震局地震研究所 | Magnetic declination compensation measuring device |
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| CN101387693A (en) | 2009-03-18 |
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Address after: 315000 No. 308, Xiaogang Anju Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Feishi Technology Co., Ltd Address before: 315800 No. 55, Putuo mountain road, Beilun science and Technology Park, Ningbo, Zhejiang Patentee before: Phase Motion Control Ningbo Ltd. |