CN115047385A - Rotating magnetic property measuring system based on oil bath heating - Google Patents
Rotating magnetic property measuring system based on oil bath heating Download PDFInfo
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- CN115047385A CN115047385A CN202210633743.7A CN202210633743A CN115047385A CN 115047385 A CN115047385 A CN 115047385A CN 202210633743 A CN202210633743 A CN 202210633743A CN 115047385 A CN115047385 A CN 115047385A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 230000006698 induction Effects 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 45
- 238000004804 winding Methods 0.000 claims description 25
- 230000005284 excitation Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 abstract description 5
- 239000000696 magnetic material Substances 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention belongs to the technical field of magnetic material measurement, and discloses a rotating magnetic characteristic measurement system based on oil bath heating. According to the invention, the induced magnetic field generated by the four iron cores is gradually enhanced, so that the intensity of the induced current generated in the induction coil is multiplied, the intensity of the output current is increased, a processing unit in the measuring module can obtain a current and voltage time curve diagram more finely, the rotating magnetic characteristics of a sample are displayed more clearly in a magnetic electricity generation mode, and the measuring effect is more remarkable.
Description
Technical Field
The invention belongs to the technical field of magnetic material measurement, and particularly relates to a rotating magnetic property measurement system based on oil bath heating.
Background
The rotating magnetic property refers to the property of electromagnetic materials after induction and magnetism generation in a rotating magnetic field, which is very helpful for selection and measurement of motor materials so as to assist in improving the performance of the motor, and the material selection is based on the magnetic permeability and iron loss properties of the electromagnetic materials under alternating and rotating magnetization, and the properties can present completely different external characteristics, so that a measurement system is required to be arranged for measurement.
The rotating magnetic properties have many environmental variables in the process of making measurements, such as temperature: in the prior art, different temperature intervals are generated in the whole measuring system based on oil bath heating, and the measuring result can generate different changes in the different temperature intervals, which is very helpful for the precision of the measuring result.
At present, a rotating magnetic characteristic measurement system in the prior art mainly generates a changing magnetic field by using alternating current through a plurality of groups of excitation windings, so that induction electricity generation is performed on a coil group taking a sample as a core, and measurement and analysis are performed through a relevant property curve graph of voltage and current, wherein a measurement module comprises a processing unit and a display screen with a built-in processor, so that integration and intellectualization of the device in a measurement working process are improved.
However, the design of the iron core for generating the induction magnetic field is not reasonable enough, the iron core wound with the excitation winding adopts simple space symmetric distribution to generate the induction magnetic field, on one hand, the direction and the strength of the induction magnetic field cannot be synchronously strengthened, so that high-strength current and voltage cannot be quickly and effectively generated in the sample, and the measurement effect is reduced; meanwhile, in the prior art, the iron cores are fixedly connected and cannot flexibly rotate, so that the measurement of the device is limited to a fixed level, and the applicability is poor.
Disclosure of Invention
The present invention is directed to a rotary magnetic property measurement system based on oil bath heating to solve the above problems of the related art.
In order to achieve the above purpose, the invention provides the following technical scheme: the rotating magnetic property measuring system based on oil bath heating comprises a base, wherein a supporting plate is fixedly connected to the top of the base, a supporting column is installed inside the supporting plate in a rotating mode, a supporting mechanism and a transmission mechanism are installed on the outer surface of the supporting column, four iron cores are movably connected to the outer surface of the supporting column through the supporting mechanism and the transmission mechanism in an equal-angle mode, a sample is movably sleeved on one side, close to the outer surface of each iron core, the outer surface of the sample is fixedly connected with a shell through a connecting block, an induction coil is arranged on the outer surface of the sample in a winding mode, an excitation winding is sleeved on the outer surface of each iron core, and the supporting plate and a locking mechanism are respectively penetrated through the two ends of the supporting column.
Preferably, locking mechanism includes spacing post, ratchet and commentaries on classics piece, the lantern ring has been cup jointed in the surface activity of spacing post, the surface fixedly connected with pawl of lantern ring, the medial surface and the ratchet of pawl mesh mutually, the ratchet is fixed cup joints the both ends at the support column surface, change piece fixed connection at the both ends of support column.
Preferably, the supporting mechanism comprises a center ring, the outer surface of the center ring is fixedly connected with a first planet ring, a second planet ring, a third planet ring and a fourth planet ring which are distributed at equal angles, the first planet ring, the second planet ring, the third planet ring and the fourth planet ring are sequentially and movably sleeved on the outer surfaces of the four iron cores, and the center ring is movably sleeved on the outer surface of the supporting column.
Preferably, the transmission mechanism comprises a sun gear, a first planetary gear, a second planetary gear, a third planetary gear and a fourth planetary gear, the first planetary gear, the second planetary gear, the third planetary gear and the fourth planetary gear are sequentially fixedly sleeved on the outer surfaces of the four iron cores, the sun gear is fixedly sleeved on the outer surface of the supporting column, the sun gear is respectively meshed with the first planetary gear, the second planetary gear, the third planetary gear and the fourth planetary gear, and the sun gear is located on the inner side surface of the supporting plate.
Preferably, the middle part of the sample is provided with a through groove penetrating through the sample, the inside of the sample is provided with four supporting holes distributed at equal angles, the outer surfaces of the four iron cores are adapted to be inserted into the supporting holes, and the supporting columns penetrate through the through groove.
Preferably, the number of the excitation windings is twelve, the twelve excitation windings are divided into four groups and distributed on the outer surfaces of the four iron cores respectively, and each group of the excitation windings is fixedly sleeved on the outer surface of the designated iron core.
Preferably, the four iron cores are vertically distributed between the two support plates and are in transmission connection through a transmission mechanism.
Preferably, the pawl is made of solid stainless steel, and the pawl forms an included angle of 25 degrees with the horizontal plane.
Preferably, the cross-sectional shape of the iron core is a rounded rectangular frame.
The invention has the following beneficial effects:
1. according to the invention, the supporting columns are arranged, the four iron cores are sleeved and supported on the outer surfaces of the four iron cores at equal angles by the aid of the supporting mechanisms, the supporting columns and the four iron cores are clamped and supported by the aid of the transmission mechanism, then the supporting columns are axially parallel to one side of the iron cores, an induced magnetic field generated by the electrified excitation winding passes through the outer surfaces of the supporting columns, the sample and the induction coil, the induced magnetic field generated by the four iron cores is gradually enhanced, the intensity of induced current generated in the induction coil is multiplied, the intensity of output current is increased, a processing unit in the measuring module can obtain a current and voltage time curve diagram more finely, the rotating magnetic characteristics of the sample can be displayed more clearly in a magnetoelectric mode, and the measuring effect is more remarkable.
2. According to the invention, the pawl is meshed with the ratchet wheel, so that the support column is fixed in a normal working state, when the support column and the iron cores need to be rotated, the pawl is shifted upwards and is separated from the meshed clamping with the ratchet wheel, so that a worker drives the support column to rotate through the rotating block, and the four iron cores are driven to synchronously rotate in the same direction and at the same angle through the transmission mechanism, so that the integral angular rotation adjustment of the four iron cores is realized.
3. The supporting mechanism is arranged to stably support the iron cores, the supporting columns are sleeved inside the center ring, then the first planet ring, the second planet ring, the third planet ring and the fourth planet ring are fixedly connected with the center ring to form a supporting function for the four iron cores, meanwhile, the constant relative positions of the supporting columns and the four iron cores are kept, the whole supporting mechanism is made of insulating materials, excitation windings on the four iron cores generate electricity leakage to form a short circuit dangerous condition, constant-interval supporting is achieved, and safety is improved.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic front perspective view of the overall structure of the present invention;
FIG. 4 is a schematic diagram of the three-dimensional structure of the supporting column and the iron core of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at B in accordance with the present invention;
FIG. 6 is a side partial cutaway schematic view of the overall structure of the present invention;
FIG. 7 is a schematic diagram of the locking mechanism of the present invention in an exploded view;
FIG. 8 is a schematic diagram showing the separation of the housing, support mechanism, drive mechanism, induction coil, connection block and sample according to the present invention.
In the figure: 1. a base; 2. a support plate; 3. a support pillar; 4. a locking mechanism; 41. a limiting column; 42. a collar; 43. a pawl; 44. a ratchet wheel; 45. rotating the block; 5. a housing; 6. an iron core; 7. a support mechanism; 71. a center ring; 72. a first planet ring; 73. a second planet ring; 74. a third planet ring; 75. a fourth planet ring; 8. a transmission mechanism; 81. a sun gear; 82. a first planetary gear; 83. a second planetary gear; 84. a third planetary gear; 85. a fourth planetary gear; 9. an excitation winding; 10. an induction coil; 11. connecting blocks; 12. a sample; 13. a support hole; 14. a through groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 8, an embodiment of the present invention provides a rotating magnetic property measurement system based on oil bath heating, including a base 1, a support plate 2 is fixedly connected to the top of the base 1, a support column 3 is rotatably installed inside the support plate 2, a support mechanism 7 and a transmission mechanism 8 are fixedly installed on the outer surface of the support column 3, four iron cores 6 are movably connected to the outer surface of the support column 3 at equal angles through the support mechanism 7 and the transmission mechanism 8, a sample 12 is movably sleeved on one side of the adjacent outer surfaces of the four iron cores 6, the outer surface of the sample 12 is fixedly connected to a housing 5 through a connection block 11, an induction coil 10 is connected to the outer surface of the sample 12 in a winding manner, an excitation winding 9 is fixedly sleeved on the outer surface of the iron core 6, and two ends of the support column 3 respectively penetrate through the support plate 2 and are fixedly connected to a locking mechanism 4;
when the device works, the shell 5 is externally connected with alternating current, a rotary alternating magnetic field is generated inside the iron core 6, when a changing magnetic field penetrates through the sample 12, induced current is generated inside the induction coil 10, the intensity of the induced magnetic field generated by the four iron cores 6 is multiplied, so that the current intensity of the induced current is increased, the sample 12 outputs current to the measuring module through the induction coil 10, so that a time curve graph of voltage and current is formed, a worker can analyze the rotating magnetic property of the sample 12, the induced current intensity generated inside the induction coil 10 is multiplied, so that the measuring effect is multiplied, the measuring effect is mainly reflected on a display screen built in the measuring module, and the magnetic material property of the sample 12 can be analyzed.
Placing (1) in an oil bath heating environment: setting a heating temperature interval: 50-70 ℃, 70-90 ℃, 90-110 ℃, 110-130 ℃ and 130-150 ℃; and comparing the results measured in the five temperature intervals, so as to detect the magnetic material characteristics of the sample 12 in a high-temperature environment.
The supporting column 3 is arranged, the supporting mechanism 7 is used for supporting the four iron cores 6 in an equal-angle sleeved mode on the outer surface of the supporting column 3, the transmission mechanism 8 is used for supporting the supporting column 3 and the four iron cores 6 in a clamped mode, then the supporting column 3 and the iron cores 6 are arranged in an axial direction parallel to one side where the supporting column 3 is in contact with the iron cores 6, an induced magnetic field generated by the electrified excitation winding 9 passes through the outer surface of the supporting column 3, a sample 12 and an induction coil 10, the induced magnetic field generated by the four iron cores 6 is gradually enhanced, the intensity of induced current generated inside the induction coil 10 is multiplied, the intensity of output current is increased, a processing unit inside the measuring module can obtain a current and voltage time curve graph more finely, the rotating magnetic characteristic of the sample 12 is displayed more clearly in a magnetic generating mode, and the measuring effect is more remarkable.
The locking mechanism 4 comprises a limiting column 41, a ratchet 44 and a rotating block 45, a lantern ring 42 is movably sleeved on the outer surface of the limiting column 41, a pawl 43 is fixedly connected to the outer surface of the lantern ring 42, the inner side surface of the pawl 43 is meshed with the ratchet 44, the ratchet 44 is fixedly sleeved at two ends of the outer surface of the supporting column 3, and the rotating block 45 is fixedly connected to two ends of the supporting column 3;
when the angle of the iron core 6 needs to be adjusted, the pawl 43 is pulled upwards and drives the lantern ring 42 to rotate around the axial direction of the support column 3, so that the pawl 43 is disengaged from the ratchet wheel 44 and contacted with the ratchet wheel, then the rotating block 45 and the support column 3 are rotated, the four iron cores 6 are driven to synchronously and synchronously rotate by the transmission mechanism 8, the four iron cores 6 are rotated by the same angle, and after the rotation action is completed, the included angle among the four iron cores 6 is still 90 degrees, the integral angle of the four iron cores 6 is changed, and therefore the applicability of the rotating magnetic characteristic measurement is improved; the pawl 43 is lowered and re-engaged with the ratchet 44 to complete the securement.
Through being provided with pawl 43 and ratchet 44 mesh mutually, make support column 3 immobile under normal operating condition, when needs rotate support column 3 and iron core 6, through stirring pawl 43 upwards and make it break away from with ratchet 44's meshing joint, thereby make the staff drive support column 3 through rotating commentaries on classics piece 45 and rotate, it is synchronous syntropy and with the angular rotation to drive four iron cores 6 through drive mechanism 8, four 6 whole angular rotation adjustment of iron core have been realized, this design makes four iron cores 6 can carry out nimble adjustment, make whole measuring device's suitability and flexibility higher, simultaneously, the dead weight that utilizes pawl 43 can mesh with ratchet 44 automatically mutually, make support column 3 and iron core 6 after the adjustment keep the immobilized state.
The supporting mechanism 7 comprises a center ring 71, the outer surface of the center ring 71 is fixedly connected with a first planet ring 72, a second planet ring 73, a third planet ring 74 and a fourth planet ring 75 which are distributed at equal angles, the first planet ring 72, the second planet ring 73, the third planet ring 74 and the fourth planet ring 75 are sequentially and movably sleeved on the outer surfaces of the four iron cores 6, and the center ring 71 is movably sleeved on the outer surface of the supporting column 3;
the support column 3 is rotatably mounted on the inner wall of the support plate 2, the support column 3 and the four iron cores 6 are kept at constant relative positions through the center ring 71, the first planet ring 72, the second planet ring 73, the third planet ring 74 and the fourth planet ring 75, so that a support function is realized, and in the rotating process of the support column 3, the support mechanism 7 is used for supporting the four iron cores 6, so that the rotation of the iron cores 6 is not influenced, and the flexibility of the iron cores 6 is enhanced.
The iron cores 6 are stably supported by the supporting mechanism 7, the supporting column 3 is sleeved inside the center ring 71, then the first planet ring 72, the second planet ring 73, the third planet ring 74 and the fourth planet ring 75 form a supporting function for the four iron cores 6 by utilizing the fixed connection relation with the center ring 71, meanwhile, the constant relative positions of the supporting column 3 and the four iron cores 6 are kept, the whole supporting mechanism 7 is made of an insulating material, and the exciting windings 9 on the four iron cores 6 generate electricity leakage to form a short circuit dangerous condition, so that constant-interval supporting is realized, and the safety is improved.
The transmission mechanism 8 comprises a sun gear 81, a first planetary gear 82, a second planetary gear 83, a third planetary gear 84 and a fourth planetary gear 85, the first planetary gear 82, the second planetary gear 83, the third planetary gear 84 and the fourth planetary gear 85 are fixedly sleeved on the outer surfaces of the four iron cores 6 in sequence, the sun gear 81 is fixedly sleeved on the outer surface of the support column 3, the sun gear 81 is respectively meshed with the first planetary gear 82, the second planetary gear 83, the third planetary gear 84 and the fourth planetary gear 85, and the sun gear 81 is positioned on the inner side surface of the support plate 2;
when the supporting column 3 rotates, the sun gear 81 is firstly driven to rotate, then the sun gear 81 simultaneously drives the first planetary gear 82, the second planetary gear 83, the third planetary gear 84 and the fourth planetary gear 85 to rotate, and then the four iron cores 6 are driven to synchronously rotate, the sun gear 81 is respectively meshed with the first planetary gear 82, the second planetary gear 83, the third planetary gear 84 and the fourth planetary gear 85, and when the supporting column 3 stops rotating, the limiting fixing effect on the iron cores 6 can be formed by mutual meshing.
A through groove 14 penetrating through the sample 12 is formed in the middle of the sample 12, four supporting holes 13 distributed at equal angles are formed in the sample 12, the outer surfaces of the four iron cores 6 are inserted into the supporting holes 13 in a matched mode, and the supporting columns 3 penetrate through the through groove 14;
the through groove 14 is used for the support column 3 to pass and rotate, the longitudinal section size of the through groove is larger than that of the support column 3, the support holes 13 can be used for the outer surfaces of the four iron cores 6 to be inserted and connected, so that the shell 5 and the sample 12 can be dynamically limited and supported, the sample 12 does not need an extra support structure in the support link, the iron cores 6 can be carried out in the support holes 13 when rotating, the sample 12 cannot be influenced, and the support column 3 and the support mechanism 7 are used for forming a stable support environment for the sample 12.
The number of the excitation windings 9 is twelve, the twelve excitation windings 9 are divided into four groups and are respectively distributed on the outer surfaces of the four iron cores 6, and each group of excitation windings 9 is fixedly sleeved on the outer surface of the specified iron core 6;
as shown in fig. 1, each group of excitation windings 9 is respectively distributed on the outer surface of the iron core 6, except for the area closest to the support column 3, on one hand, the whole of the iron core 6 is supported by the part, then, the induced magnetic field generated by the excitation windings 9 passes through the side closest to the outer surface of the iron core 6 and the support column 3, so that induced current is generated inside the induction coil 10, and measurement work is performed in an auxiliary manner.
The four iron cores 6 are vertically distributed between the two support plates 2, and the four iron cores 6 are in transmission connection through a transmission mechanism 8;
the four iron cores 6 are placed in coaxial contact with one side, and the whole planes are perpendicular to each other, so that interference among magnetic fields is reduced, and meanwhile, the perpendicular design enables induced magnetic fields generated on the four iron cores 6 to be synchronously superposed to generate a reinforced induced magnetic field so as to increase the intensity of induced current generated in the induction coil 10, so that subsequent magnetic property measurement results are more obvious.
Wherein, the pawl 43 is made of solid stainless steel, and the pawl 43 forms an included angle of 25 degrees with the horizontal plane;
Wherein the cross section of the iron core 6 is in a shape of a round-corner rectangular frame;
the shape design of the iron core 6 can enable the excitation winding 9 to be sleeved on the outer surface of the iron core, as shown in fig. 1, the excitation winding 9 is respectively positioned on the upper end, the left end and the right end of the outer surface of the iron core 6, and the iron core 6 at the uppermost side is taken as an example, so that the strength of an induction magnetic field can be enhanced, the measurement precision can be improved in an auxiliary mode, and meanwhile, the rotation adjustment operation of the subsequent iron core 6 is not influenced.
The working principle and the using process are as follows:
when the device works, the shell 5 is externally connected with alternating current, so that a rotary alternating magnetic field is generated inside the iron cores 6, when a changing magnetic field passes through the sample 12, induced current is generated inside the induction coil 10, the intensity of the induced magnetic field generated by the four iron cores 6 is multiplied, so that the current intensity of the induced current is increased, the sample 12 outputs current to the measuring module through the induction coil 10, so that a time curve graph of voltage and current is formed, a worker can analyze the rotating magnetic property of the sample 12, and the measuring effect is multiplied due to the multiplication of the intensity of the induced current generated inside the induction coil 10, and the multiplied intensity is mainly reflected on a display screen arranged in the measuring module, so that the magnetic material property of the sample 12 can be analyzed;
when the supporting column 3 rotates, the sun gear 81 is firstly driven to rotate, then the sun gear 81 simultaneously drives the first planetary gear 82, the second planetary gear 83, the third planetary gear 84 and the fourth planetary gear 85 to rotate, and then the four iron cores 6 are driven to synchronously rotate, the sun gear 81 is respectively meshed with the first planetary gear 82, the second planetary gear 83, the third planetary gear 84 and the fourth planetary gear 85, and when the supporting column 3 stops rotating, the limiting and fixing effects on the iron cores 6 can be formed by mutual meshing;
when the angle of the iron core 6 needs to be adjusted, the pawl 43 is pulled upwards and drives the lantern ring 42 to rotate around the axial direction of the support column 3, so that the pawl 43 is disengaged from the ratchet wheel 44 and contacted with the ratchet wheel, then the rotating block 45 and the support column 3 are rotated, the four iron cores 6 are driven to synchronously and synchronously rotate by the transmission mechanism 8, the four iron cores 6 are rotated by the same angle, and after the rotation action is completed, the included angle among the four iron cores 6 is still 90 degrees, the integral angle of the four iron cores 6 is changed, and therefore the applicability of the rotating magnetic characteristic measurement is improved; the pawl 43 is lowered and re-engaged with the ratchet 44 to complete the securement.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A rotating magnetic characteristic measuring system based on oil bath heating comprises a base (1), a support plate (2) is fixedly connected to the top of the base (1), a support column (3) is installed on the support plate (2) in a rotating mode, and the rotating magnetic characteristic measuring system is characterized in that: the utility model discloses a sample preparation device, including support column (3), the surface of support column (3) is fixed, and the surface of support column (3) is installed supporting mechanism (7) and drive mechanism (8) etc. angle swing joint has four iron cores (6), four sample (12) have been cup jointed in the activity of one side that iron core (6) surface is close, the surface of sample (12) passes through connecting block (11) fixedly connected with shell (5), the surface cross-under of sample (12) is provided with induction coil (10), the surface fixed of iron core (6) has been cup jointed excitation winding (9), extension board (2) and fixedly connected with locking mechanism (4) are run through respectively at the both ends of support column (3).
2. The rotary magnetic property measurement system based on oil bath heating according to claim 1, characterized in that: locking mechanism (4) are including spacing post (41), ratchet (44) and commentaries on classics piece (45), the surface activity of spacing post (41) has cup jointed lantern ring (42), the external fixed surface of lantern ring (42) is connected with pawl (43), the medial surface and the ratchet (44) of pawl (43) mesh mutually, ratchet (44) are fixed to be cup jointed at the both ends of support column (3) surface, change piece (45) fixed connection at the both ends of support column (3).
3. The rotary magnetic property measurement system based on oil bath heating according to claim 1, characterized in that: the supporting mechanism (7) comprises a center ring (71), the outer surface of the center ring (71) is fixedly connected with a first planet ring (72), a second planet ring (73), a third planet ring (74) and a fourth planet ring (75) which are distributed at equal angles, the first planet ring (72), the second planet ring (73), the third planet ring (74) and the fourth planet ring (75) are sequentially movably sleeved on the outer surfaces of the four iron cores (6), and the center ring (71) is movably sleeved on the outer surface of the supporting column (3).
4. The system of claim 1, wherein the rotary magnetic property measuring system based on oil bath heating comprises: drive mechanism (8) include sun gear (81), first planetary gear (82), second planetary gear (83), third planetary gear (84) and fourth planetary gear (85) fix the surface of cup jointing in four iron cores (6) in proper order, sun gear (81) fix the cup jointing at the surface of support column (3), sun gear (81) mesh with first planetary gear (82), second planetary gear (83), third planetary gear (84) and fourth planetary gear (85) respectively mutually, sun gear (81) are located the medial surface of extension board (2).
5. The rotary magnetic property measurement system based on oil bath heating according to claim 1, characterized in that: the middle part of the sample (12) is provided with a through groove (14) penetrating through the sample (12), the inside of the sample (12) is provided with four supporting holes (13) distributed at equal angles, the outer surfaces of the four iron cores (6) are matched and inserted into the supporting holes (13), and the supporting column (3) penetrates through the through groove (14).
6. The rotary magnetic property measurement system based on oil bath heating according to claim 1, characterized in that: the number of the excitation windings (9) is twelve, twelve excitation windings (9) are divided into four groups and distributed on the outer surfaces of four iron cores (6) respectively, and each group of excitation windings (9) is fixedly sleeved on the outer surface of a specified iron core (6).
7. The rotary magnetic property measurement system based on oil bath heating according to claim 1, characterized in that: the four iron cores (6) are vertically distributed between the two support plates (2), and the four iron cores (6) are in transmission connection through a transmission mechanism (8).
8. The rotary magnetic property measurement system based on oil bath heating according to claim 2, characterized in that: the pawl (43) is made of solid stainless steel, and the pawl (43) and the horizontal plane form an included angle of 25 degrees.
9. The rotary magnetic property measurement system based on oil bath heating according to claim 1, characterized in that: the cross section of the iron core (6) is in a shape of a round-corner rectangular frame.
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| CN202210633743.7A CN115047385A (en) | 2022-06-07 | 2022-06-07 | Rotating magnetic property measuring system based on oil bath heating |
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| CN202210633743.7A CN115047385A (en) | 2022-06-07 | 2022-06-07 | Rotating magnetic property measuring system based on oil bath heating |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06207972A (en) * | 1993-01-11 | 1994-07-26 | Nippon Steel Corp | Measuring method for rotating magnetic field iron loss at outer core |
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