CN113325346B - Temperature-resistant loss-of-field test device for permanent magnet of permanent magnet motor - Google Patents
Temperature-resistant loss-of-field test device for permanent magnet of permanent magnet motor Download PDFInfo
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- CN113325346B CN113325346B CN202110660243.8A CN202110660243A CN113325346B CN 113325346 B CN113325346 B CN 113325346B CN 202110660243 A CN202110660243 A CN 202110660243A CN 113325346 B CN113325346 B CN 113325346B
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 238000005485 electric heating Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 72
- 229910052742 iron Inorganic materials 0.000 abstract description 36
- 239000000463 material Substances 0.000 abstract description 28
- 230000005389 magnetism Effects 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000005415 magnetization Effects 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a test device, in particular to a permanent magnet temperature tolerance loss magnetic test device for a permanent magnet of a permanent magnet motor. The invention provides a permanent magnet tolerance temperature loss test device for a permanent magnet motor, which realizes synchronous test of permanent magnets of different materials and is convenient for temperature recording. The invention provides a temperature-resistant loss-of-field test device for permanent magnets of a permanent magnet motor, which comprises: the side of the bottom plate is provided with a bracket; the other side of the bottom plate is provided with a supporting mechanism; the clamping mechanism is arranged on the bracket. The iron block is clamped by downwards moving the clamping mechanism, the permanent magnets with different materials can be adsorbed on the iron block, the temperature-resistant loss of magnetism test can be carried out on the permanent magnets on the iron block by operating the heating mechanism, when the temperature reaches a certain value, the permanent magnets automatically fall off from the iron block, the fallen permanent magnets fall on the supporting mechanism, and the permanent magnets which are subjected to the temperature-resistant loss of magnetism test can be collected in a concentrated mode.
Description
Technical Field
The invention relates to a test device, in particular to a permanent magnet temperature tolerance loss magnetic test device for a permanent magnet of a permanent magnet motor.
Background
The permanent magnetic material is widely applied to instruments and equipment such as computers, loudspeakers, household appliances, instruments, magnetomechanical machines, various motors, medical appliances and the like at present, and particularly when the permanent magnetic material is applied to high-precision instruments and equipment, the reliability of the permanent magnetic material is very important. The stability of the permanent magnet material can be classified into time stability, temperature stability, external magnetic field stability and chemical stability. Among these, the most important external factor is the influence of the ambient temperature. The stability of the permanent magnet material is also affected by the fluid, radiation, etc. The performance change of the permanent magnet directly influences the testing precision and even the functional performance of the equipment, so that the accurate knowledge of the performance change of the permanent magnet along with time or service conditions has very strong practical significance.
At present, no permanent magnet temperature-resistant testing instrument exists, and permanent magnets of different materials cannot be tested simultaneously, so that the comparison effect is poor. Therefore, it is needed to design a permanent magnet temperature-resistant loss test device for permanent magnet motor, which realizes synchronous testing of permanent magnets of different materials and facilitates temperature recording, so as to solve the above problems.
Disclosure of Invention
In order to overcome the defect that at present, no permanent magnet temperature-resistant testing instrument exists, and permanent magnets of different materials cannot be tested simultaneously, and the contrast effect is poor, the technical problem of the invention is that: the permanent magnet tolerance temperature loss test device for the permanent magnet motor is capable of realizing synchronous test of permanent magnets of different materials and facilitating temperature recording.
A temperature-resistant loss of field test apparatus for permanent magnets of a permanent magnet motor, comprising: the side of the bottom plate is provided with a bracket; the other side of the bottom plate is provided with a supporting mechanism; the clamping mechanism is arranged on the bracket; and the heating mechanism is arranged on the bracket close to the clamping mechanism, and the clamping mechanism is matched with the heating mechanism.
More preferably, the support mechanism includes: the other side of the bottom plate is uniformly provided with three guide rods at intervals; the first sliding block is arranged on each of the three guide rods in a sliding manner; the support plates are arranged among the three first sliding blocks; the first elastic pieces are arranged between one side of the three first sliding blocks and one side of the bottom plate.
More preferably, the tightening mechanism includes: the bracket is provided with a first clamping block; the first sliding rod is arranged on the bracket close to the first clamping block in a sliding manner; the second clamping block is arranged at the end part of the first sliding rod; the second elastic piece is arranged between one side of the bracket and the end part of the first sliding rod; the handle is arranged on the side wall of the upper part of the first sliding rod.
More preferably, the heating mechanism includes: the bracket at the side edge of the first sliding rod is provided with a first straight chute plate; the second sliding rod is arranged in the first straight sliding groove plate in a sliding manner; the middle part of the second sliding rod is provided with a first fixing rod; the first fixing rods are uniformly provided with five second fixing rods at intervals; the electric heating wires are arranged on the five second fixing rods; and a third elastic piece is arranged between one side of the first straight chute plate and two sides of the first fixing rod.
More preferably, the method further comprises: the bottom of the bracket is provided with a second straight chute plate; the second sliding block is arranged in the second straight sliding groove plate in a sliding manner; the bearing seat is arranged at the bottom of the supporting plate close to one side of the second sliding block; the connecting rods are symmetrically and rotationally arranged in the bearing seat, and the two connecting rods are rotationally connected with the two sides of the second sliding block; the upper side and the lower side of the second sliding block are symmetrically provided with the conductive blocks; the first electrode is arranged on the bottom plate of the bottom of the conductive block at the lower side and is matched with the conductive block at the lower side; the power line is arranged on the side edge of the conductive block at the lower side; the side wall of the bracket at the upper part of the second straight chute plate is provided with a third fixing rod; the second electrode is arranged on the third fixed rod and is matched with the conductive block on the upper side; an electric wire is arranged between the top of the conductive block on the upper side and the first fixing rod.
More preferably, the method further comprises: the second sliding block is provided with a second fixed rod; the racks are arranged on the two fourth fixing rods; the rotating shaft is rotatably arranged in the bracket at the upper part of the rack; the two ends of the rotating shaft are provided with gears, and the two gears are meshed with the two racks; and a third straight sliding groove plate is arranged between the two ends of the rotating shaft and the two ends of the second sliding rod.
More preferably, the method further comprises: the upper part of the first sliding rod is provided with a cover plate; the cover is arranged at the lower part of the cover plate; the thermometer, apron top evenly interval is provided with four thermometers.
More preferably, the cover is circular.
Compared with the prior art, the invention has the following advantages: 1. the iron block is clamped by downwards moving the clamping mechanism, the permanent magnets with different materials can be adsorbed on the iron block, the temperature-resistant loss of magnetism test can be carried out on the permanent magnets on the iron block by operating the heating mechanism, when the temperature reaches a certain value, the permanent magnets automatically fall off from the iron block, the fallen permanent magnets fall on the supporting mechanism, and the permanent magnets which are subjected to the temperature-resistant loss of magnetism test can be collected in a concentrated mode.
2. The second clamp splice moves downwards, can press from both sides tightly the iron plate, and the permanent magnet of a plurality of different materials of convenience once only adsorbs on the iron plate more.
3. The cover can be used for enabling the electric heating wires to uniformly heat the permanent magnets with different materials, and workers can know the magnetic property of the permanent magnets with different materials to be weakened when the temperature of the permanent magnets with different materials is reached.
4. The first fixed rod is not required to be manually pressed downwards by a worker, and the heating mechanism can be driven to move downwards through the downward movement of the supporting plate, so that the permanent magnet can be placed more conveniently by the worker.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the supporting mechanism of the present invention.
Fig. 3 is a schematic perspective view of the tightening mechanism of the present invention.
Fig. 4 is a schematic perspective view of a heating mechanism according to the present invention.
Fig. 5 is a schematic perspective view of a first part of the present invention.
Fig. 6 is a schematic perspective view of a second part of the present invention.
Fig. 7 is a schematic perspective view of a third portion of the present invention.
The marks of the components in the drawings are as follows: 1. the base plate, 2, the bracket, 3, the supporting mechanism, 31, the guide rod, 32, the first sliding block, 33, the supporting plate, 34, the first elastic piece, 4, the clamping mechanism, 41, the first clamping block, 42, the first sliding rod, 43, the second clamping block, 44, the second elastic piece, 45, the handle, 5, the heating mechanism, 51, the first straight sliding groove plate, 52, the second sliding rod, 53, the first fixed rod, 54, the second fixed rod, 55, the heating wire, 56, the third elastic piece, 6, the second straight sliding groove plate, 7, the second sliding block, 8, the bearing seat, 9, the connecting rod, 10, the conductive block, 11, the first electrode, 12, the power wire, 13, the third fixed rod, 14, the second electrode, 15, the electric wire, 16, the fourth fixed rod, 17, the rack, 18, the rotating shaft, 19, the gear, 20, the third straight sliding groove plate, 21, the cover plate, 22, the cover, 23 and the thermometer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Example 1
As shown in fig. 1, the temperature-resistant loss-of-field test device for the permanent magnet of the permanent magnet motor comprises a bottom plate 1, a support 2, a supporting mechanism 3, a clamping mechanism 4 and a heating mechanism 5, wherein the support 2 is arranged on the side edge of the bottom plate 1, the supporting mechanism 3 is arranged on the left side of the bottom plate 1, the clamping mechanism 4 is arranged on the support 2, the heating mechanism 5 is arranged on the support 2 close to the clamping mechanism 4, and the clamping mechanism 4 is matched with the heating mechanism 5.
When the permanent magnet of the permanent magnet motor needs to be subjected to temperature-resistant loss of magnetic test, a worker downwards presses the heating mechanism 5, the heating mechanism 5 downwards moves, another worker upwards pulls the clamping mechanism 4, then the worker places the iron block on the clamping mechanism 4, the worker releases the clamping mechanism 4, the clamping mechanism 4 downwards moves to clamp the iron block, the worker adsorbs a certain amount of permanent magnets of different materials on the iron block, the worker releases the heating mechanism 5, the heating mechanism 5 upwards moves, then the worker controls the heating mechanism 5, the heating mechanism 5 carries out temperature-resistant loss of magnetic test on the permanent magnets of different materials on the iron block, when the temperature reaches a certain value, the permanent magnets of different materials automatically fall off from the iron block, the fallen permanent magnets fall on the supporting mechanism 3, the supporting mechanism 3 downwards moves, the permanent magnets of different materials fall on the supporting mechanism 3, the worker controls the heating mechanism 5 to stop working, at the moment, the worker collects the tested permanent magnets, and after the permanent magnets on the supporting mechanism 3 are completely collected, the supporting mechanism 3 upwards moves to reset. The device has simple structure and is convenient to operate.
Example 2
As shown in fig. 2, 3 and 4, on the basis of embodiment 1, the supporting mechanism 3 includes a guide rod 31, a first slider 32, a supporting plate 33 and a first elastic member 34, three guide rods 31 are uniformly arranged on the right side of the bottom plate 1 at intervals, the first sliders 32 are slidably arranged on the three guide rods 31, the supporting plate 33 is arranged between the three first sliders 32, and the first elastic member 34 is arranged between one side of the three first sliders 32 and one side of the bottom plate 1.
When the permanent magnet of the permanent magnet motor needs to be subjected to temperature-resistant loss-of-magnetic test, a worker downwards presses the heating mechanism 5, the heating mechanism 5 moves downwards, another worker upwards pulls the clamping mechanism 4, then the worker places the iron block on the clamping mechanism 4, the worker releases the clamping mechanism 4, the clamping mechanism 4 downwards moves to clamp the iron block, the worker adsorbs a certain amount of permanent magnets of different materials on the iron block, the worker releases the heating mechanism 5, the heating mechanism 5 upwards moves, then the worker controls the heating mechanism 5, the heating mechanism 5 carries out temperature-resistant loss-of-magnetic test on the permanent magnets on the iron block, when the temperature reaches a certain value, the permanent magnets of different materials automatically fall off from the iron block, the fallen permanent magnets fall on the supporting plate 33, the supporting plate 33 is driven to downwards move under the action of the weight of the permanent magnets, the supporting plate 33 downwards moves to drive the first sliding block 32 to downwards on the guide rod 31, the first elastic piece 34 is compressed, the permanent magnets of different materials fall on the supporting mechanism 3, the worker controls the heating mechanism 5 to stop the operation, at this time, the worker collects the tested permanent magnets, the permanent magnets, after the supporting plate 33 is reset, the first elastic piece 34 is driven to upwards slide on the first sliding block 32, and the first sliding block 32 is reset upwards. The device has a simple structure, and can intensively collect the permanent magnet subjected to temperature-resistant loss of magnetic measurement.
The clamping mechanism 4 comprises a first clamping block 41, a first sliding rod 42, a second clamping block 43, a second elastic piece 44 and a handle 45, wherein the first clamping block 41 is arranged on the support 2, the first sliding rod 42 is arranged on the support 2 close to the first clamping block 41 in a sliding mode, the second clamping block 43 is arranged at the end part of the first sliding rod 42, the second elastic piece 44 is arranged between one side of the support 2 and the end part of the first sliding rod 42, and the handle 45 is arranged on the left side wall of the upper part of the first sliding rod 42.
When the permanent magnet of the permanent magnet motor needs to be subjected to temperature-resistant loss of magnetization test, a worker downwards presses the heating mechanism 5, the heating mechanism 5 downwards moves, another worker upwards pulls the handle 45, the handle 45 upwards moves to drive the first sliding rod 42 to upwards slide, the second elastic piece 44 is compressed, the first sliding rod 42 upwards slides to drive the second clamping block 43 to upwards move, then the worker places the iron block on the first clamping block 41, the worker releases the handle 45, the second elastic piece 44 resets to drive the first sliding rod 42 to downwards slide and reset, the first sliding rod 42 downwards slides to drive the second clamping block 43 to downwards move, the second clamping block 43 downwards moves to clamp the iron block, the worker then adsorbs a certain amount of permanent magnets with different materials on the iron block, the worker releases the heating mechanism 5, the heating mechanism 5 upwards moves, and then the worker controls the heating mechanism 5, and the heating mechanism 5 carries out temperature-resistant loss of magnetization test on the permanent magnets with different materials on the iron block. The device has simple structure, can clamp the iron block, and is more convenient to adsorb a large number of permanent magnets on the iron block at one time.
The heating mechanism 5 comprises a first straight chute plate 51, a second slide bar 52, a first fixing bar 53, a second fixing bar 54, an electric heating wire 55 and a third elastic piece 56, wherein the first straight chute plate 51 is arranged on the support 2 at the side edge of the first slide bar 42, the second slide bar 52 is arranged in the first straight chute plate 51 in a sliding manner, the first fixing bar 53 is arranged in the middle of the second slide bar 52, five second fixing bars 54 are uniformly arranged on the first fixing bar 53 at intervals, the electric heating wires 55 are arranged on the five second fixing bars 54, and the third elastic piece 56 is arranged between one side of the first straight chute plate 51 and two sides of the first fixing bar 53.
When the permanent magnet of the permanent magnet motor needs to be subjected to temperature-resistant loss of magnetization test, a worker presses down the first fixing rod 53, the second fixing rod 54 moves downwards along with the first fixing rod 53, the first fixing rod 53 moves downwards to drive the second sliding rod 52 to slide downwards in the first straight sliding groove plate 51, the third elastic piece 56 is compressed, when the second clamping block 43 moves downwards to clamp the iron block, the worker adsorbs a certain amount of permanent magnets with different materials on the iron block, the worker releases the first fixing rod 53, the third elastic piece 56 resets to drive the second sliding rod 52 to slide upwards in the first straight sliding groove plate 51 to reset, the second sliding rod 52 slides upwards to drive the first fixing rod 53 to move upwards along with the second fixing rod 54, at the moment, the worker controls the heating wire 55 to perform heating operation, the heating wire 55 heats the permanent magnets with different materials on the iron block to perform temperature-resistant loss of magnetization test, when the second clamping block 43 moves downwards to clamp the iron block, the permanent magnets with different materials are automatically fallen from the iron block, the fallen permanent magnets fall on the support plate 33, and the worker controls 55 to stop the heating operation. The device has simple structure and can carry out temperature-resistant loss-of-field test on the permanent magnet on the iron block.
Example 3
As shown in fig. 5, 6 and 7, the electric wire fixing device further comprises a second straight sliding groove plate 6, a second sliding block 7, bearing seats 8, connecting rods 9, conducting blocks 10, a first electrode 11, a power wire 12, a third fixing rod 13, second electrodes 14 and electric wires 15, wherein the second straight sliding groove plate 6 is arranged at the bottom of the support 2, the second sliding block 7 is arranged in the second straight sliding groove plate 6 in a sliding mode, the bearing seats 8 are arranged at the bottom of a supporting plate 33 close to one side of the second sliding block 7, the connecting rods 9 are symmetrically and rotatably arranged in the bearing seats 8, the two connecting rods 9 are rotatably connected with two sides of the second sliding block 7, the conducting blocks 10 are symmetrically arranged on the upper side and the lower side of the second sliding block 7, the first electrode 11 is matched with the conducting blocks 10 on the lower side, the power wire 12 is arranged on the side of the conducting blocks 10 on the lower side, the third fixing rod 13 is arranged on the side wall of the support 2 on the upper portion of the second straight sliding groove plate 6, the second electrode 14 is arranged on the third fixing rod 13, and the conducting blocks 10 on the upper side of the second electrode 14 are matched with the conducting blocks 10 on the upper side, and the conducting blocks 15 are arranged between the conducting blocks 15 on the upper side and the upper side.
When the temperature-resistant magnetization losing test is required to be carried out on the permanent magnet of the permanent magnet motor, a worker firstly accesses an external power supply to the power line 12, the first electrode 11 transmits power to the second electrode 14 through the conductive block 10, the second electrode 14 transmits power to the electric wire 15, then the electric heating wire 55 heats the permanent magnets of different materials on the iron block to carry out the temperature-resistant magnetization losing test through the power transmitted by the electric wire 15, when the temperature reaches a certain temperature, the permanent magnets of different materials automatically fall off from the iron block, the fallen permanent magnets fall on the supporting plate 33, the supporting plate 33 is driven to move downwards under the action of the weight of the permanent magnets, the supporting plate 33 moves downwards to drive the first sliding block 32 to slide downwards on the guide rod 31, the first elastic piece 34 is compressed, the supporting plate 33 moves downwards to drive the connecting rod 9 to rotate downwards, the connecting rod 9 rotates downwards to drive the second sliding block 7 to slide leftwards on the second straight sliding groove plate 6, the conductive block 10 is further separated from the first electrode 11 and the second electrode 14, the electric heating wire is not transmitted any more, and the heating operation is stopped by the 55. The device has a simple structure, can automatically cut off power, and does not need manual power off.
The novel sliding block comprises a first sliding block 52 and is characterized by further comprising a first fixing rod 16, racks 17, rotating shafts 18, gears 19 and a first straight sliding groove plate 20, wherein the first fixing rod 16 is arranged on two sides of the first sliding block 7, the racks 17 are arranged on the first fixing rods 16, the rotating shafts 18 are arranged in a rotating mode in a support 2 on the upper portion of each rack 17, the gears 19 are arranged at two ends of each rotating shaft 18, the two gears 19 are meshed with the two racks 17, and the first straight sliding groove plate 20 is arranged between two ends of each rotating shaft 18 and two ends of the second sliding rod 52.
When the permanent magnet of the permanent magnet motor needs to be subjected to temperature-resistant loss of magnetic test, a worker downwards presses the supporting plate 33, the supporting plate 33 downwards moves to drive the first sliding block 32 to downwards slide on the guide rod 31, the first elastic piece 34 is compressed, the supporting plate 33 downwards moves to drive the connecting rod 9 to downwards rotate, the connecting rod 9 downwards rotates to drive the second sliding block 7 to leftwards slide on the second straight sliding groove plate 6, the second sliding block 7 leftwards slides to drive the rack 17 to leftwards move through the fourth fixing rod 16, the rack 17 leftwards moves to be meshed with the gear 19, the gear 19 rotates to drive the rotating shaft 18 to rotate, the rotating shaft 18 rotates to drive the third straight sliding groove plate 20 to downwards rotate, the third straight sliding groove plate 20 downwards rotates to drive the second sliding rod 52 to downwards slide in the first straight sliding groove plate 51, the third elastic piece 56 is compressed, when the second clamping block 43 downwards moves to clamp the iron block, the staff adsorbs a certain amount of permanent magnets on the iron block, the staff loosens backup pad 33, first elastic component 34 resets and drives first slider 32 to slide upward and reset on guide arm 31, first slider 32 upwards slides and drives backup pad 33 to move upward and reset, backup pad 33 upwards moves and drives connecting rod 9 to rotate upward, connecting rod 9 upwards rotates and drives second slider 7 to slide and reset on second straight runner plate 6 left and right, second slider 7 slides rightwards and drives rack 17 to move rightwards through fourth dead lever 16, rack 17 moves rightwards and meshes with gear 19, gear 19 rotates and drives pivot 18 to rotate, pivot 18 rotates and drives third straight runner plate 20 to rotate upward, third straight runner plate 20 upwards rotates and drives second slide bar 52 to slide upward in first straight runner plate 51, third elastic component 56 resets. The device simple structure no longer needs the manual downward pressing of staff first dead lever 53, can drive the downward movement of heating mechanism 5 through backup pad 33 downward movement for the staff more conveniently places the permanent magnet of different materials.
The temperature sensor further comprises a cover plate 21, a cover 22 and thermometers 23, wherein the cover plate 21 is arranged on the upper portion of the first sliding rod 42, the cover 22 is arranged on the lower portion of the cover plate 21, and four thermometers 23 are uniformly arranged at intervals on the top of the cover plate 21.
The heating wire 55 can be heated uniformly to the permanent magnet through the cover 22, and the staff can know the magnetism of the permanent magnet can be weakened when the temperature of the permanent magnet is reached through the thermometer 23.
The cover 22 is circular.
The cover 22 is circular, and can cover the heating wire 55 completely and is heated more uniformly.
The foregoing examples have shown only the preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (2)
1. A temperature-resistant loss-of-field test device for permanent magnet of a permanent magnet motor is characterized by comprising:
the base plate (1), the side of the base plate (1) is provided with a bracket (2);
the other side of the bottom plate (1) is provided with the supporting mechanism (3);
the clamping mechanism (4) is arranged on the bracket (2);
the heating mechanism (5) is arranged on the bracket (2) close to the clamping mechanism (4), and the clamping mechanism (4) is matched with the heating mechanism (5);
the support mechanism (3) comprises:
the guide rods (31) are uniformly arranged on the other side of the bottom plate (1) at intervals, and three guide rods (31) are arranged on the other side of the bottom plate (1);
the first sliding blocks (32) are arranged on the three guide rods (31) in a sliding mode, and the first sliding blocks (32) are arranged on the three guide rods (31) in a sliding mode;
a support plate (33), wherein the support plate (33) is arranged among the three first sliding blocks (32);
the first elastic pieces (34) are arranged between one side of the three first sliding blocks (32) and one side of the bottom plate (1);
the tightening mechanism (4) comprises:
the first clamping block (41) is arranged on the bracket (2);
the first sliding rod (42) is arranged on the bracket (2) close to the first clamping block (41) in a sliding manner;
the second clamping block (43), the second clamping block (43) is arranged at the end part of the first sliding rod (42);
a second elastic piece (44), wherein the second elastic piece (44) is arranged between one side of the bracket (2) and the end part of the first sliding rod (42);
a handle (45), wherein the handle (45) is arranged on the side wall of the upper part of the first sliding rod (42);
the heating mechanism (5) comprises:
the bracket (2) at the side edge of the first sliding rod (42) is provided with a first straight chute plate (51);
the second sliding rod (52) is arranged in the first straight chute plate (51) in a sliding manner, and the second sliding rod (52) is arranged in the first straight chute plate; the middle part of the second sliding rod (52) is provided with a first fixed rod (53); the second fixing rods (54) are uniformly arranged on the first fixing rods (53) at intervals, and five second fixing rods (54) are arranged on the first fixing rods (53) at intervals;
the electric heating wires (55) are arranged on the five second fixing rods (54); a third elastic piece (56), wherein the third elastic piece (56) is arranged between one side of the first straight chute plate (51) and two sides of the first fixed rod (53);
further comprises:
the bottom of the bracket (2) is provided with a second straight chute plate (6);
the second sliding block (7) is arranged in the second straight chute plate (6) in a sliding manner, and the second sliding block (7) is arranged in the second straight chute plate; the bearing seat (8) is arranged at the bottom of the supporting plate (33) close to one side of the second sliding block (7);
the connecting rods (9) are symmetrically and rotatably arranged in the bearing seat (8), and the two connecting rods (9) are rotatably connected with the two sides of the second sliding block (7);
the conductive blocks (10) are symmetrically arranged on the upper side and the lower side of the second sliding block (7);
the first electrode (11) is arranged on the bottom plate (1) at the bottom of the conductive block (10) at the lower side, and the first electrode (11) is matched with the conductive block (10) at the lower side; a power line (12), wherein the power line (12) is arranged on the side edge of the conductive block (10) at the lower side;
the side wall of the bracket (2) at the upper part of the second straight chute plate (6) is provided with a third fixing rod (13);
the second electrode (14) and the third fixed rod (13) are provided with the second electrode (14), and the second electrode (14) is matched with the conductive block (10) at the upper side;
an electric wire (15) is arranged between the top of the conductive block (10) on the upper side and the first fixing rod (53);
further comprises:
a fourth fixed rod (16), wherein both sides of the second sliding block (7) are provided with the fourth fixed rod (16);
the racks (17) are arranged on the two fourth fixed rods (16);
a rotating shaft (18), wherein the rotating shaft (18) is rotatably arranged in the bracket (2) at the upper part of the rack (17); the two ends of the rotating shaft (18) are provided with gears (19), and the two gears (19) are meshed with the two racks (17);
the third straight sliding groove plate (20) is arranged between the two ends of the rotating shaft (18) and the two ends of the second sliding rod (52);
further comprises:
the cover plate (21) is arranged at the upper part of the first sliding rod (42);
a cover (22), wherein the cover (22) is arranged at the lower part of the cover plate (21);
the thermometer (23), apron (21) top evenly is provided with four thermometer (23) at intervals.
2. A permanent magnet temperature-resistant loss of field test apparatus for a permanent magnet machine according to claim 1, wherein said cover (22) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660243.8A CN113325346B (en) | 2021-06-15 | 2021-06-15 | Temperature-resistant loss-of-field test device for permanent magnet of permanent magnet motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660243.8A CN113325346B (en) | 2021-06-15 | 2021-06-15 | Temperature-resistant loss-of-field test device for permanent magnet of permanent magnet motor |
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| Publication Number | Publication Date |
|---|---|
| CN113325346A CN113325346A (en) | 2021-08-31 |
| CN113325346B true CN113325346B (en) | 2023-11-17 |
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| CN202110660243.8A Active CN113325346B (en) | 2021-06-15 | 2021-06-15 | Temperature-resistant loss-of-field test device for permanent magnet of permanent magnet motor |
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| CN116736113B (en) * | 2023-07-21 | 2024-02-02 | 华北电力大学（保定） | Motor permanent magnet heating demagnetizing device capable of being monitored on line in real time |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830375A (en) * | 2011-11-30 | 2012-12-19 | 西南应用磁学研究所 | Device and method for measuring temperature properties of permanent magnet and permanent magnet material in open circuit |
| CN103605089A (en) * | 2013-11-13 | 2014-02-26 | 北京科技大学 | Rapid nondestructive testing method for permanent magnet material-based sub-quality product with poor room-temperature and high-temperature performances |
| CN205080074U (en) * | 2015-10-27 | 2016-03-09 | 横店集团东磁股份有限公司 | Magnetic material curie temperature testing device |
| CN111830446A (en) * | 2020-06-29 | 2020-10-27 | 佛山市川东磁电股份有限公司 | Soft magnetic Curie temperature detection device and detection method thereof |
| CN112728482A (en) * | 2020-11-23 | 2021-04-30 | 陈月明 | Environment-friendly floor lamp for city park |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170115168A1 (en) * | 2015-10-23 | 2017-04-27 | Hyundai Motor Company | Method of estimating a temperature of a permanent magnet in a motor |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830375A (en) * | 2011-11-30 | 2012-12-19 | 西南应用磁学研究所 | Device and method for measuring temperature properties of permanent magnet and permanent magnet material in open circuit |
| CN103605089A (en) * | 2013-11-13 | 2014-02-26 | 北京科技大学 | Rapid nondestructive testing method for permanent magnet material-based sub-quality product with poor room-temperature and high-temperature performances |
| CN205080074U (en) * | 2015-10-27 | 2016-03-09 | 横店集团东磁股份有限公司 | Magnetic material curie temperature testing device |
| CN111830446A (en) * | 2020-06-29 | 2020-10-27 | 佛山市川东磁电股份有限公司 | Soft magnetic Curie temperature detection device and detection method thereof |
| CN112728482A (en) * | 2020-11-23 | 2021-04-30 | 陈月明 | Environment-friendly floor lamp for city park |
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