CN212726823U

CN212726823U - Permanent magnet speed regulator with fixed magnetic gap

Info

Publication number: CN212726823U
Application number: CN202021839380.5U
Authority: CN
Inventors: 孟祥福; 许利明
Original assignee: Nanjing Wolff Magneto Power Technology Co ltd
Current assignee: Nanjing Wolff Magneto Power Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-03-16
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a permanent magnet speed regulator of fixed magnetic gap, input shaft fixedly connected with armature rotor dish, armature rotor dish symmetry has seted up the mounting groove, movable mounting has the regulating block in the mounting groove, iron core movable mounting is in mounting hole one, iron core rod portion cup joints the spring, armature rotor dish outside symmetry fixedly connected with winding coil one and winding coil two, output shaft fixedly connected with magnetic rotor dish two, magnetic rotor dish two outside fixedly connected with magnetic rotor dish one, magnetic rotor dish two fixed mounting has permanent magnet two, the filling block is placed in the installation annular groove, magnetic rotor dish two fixed mounting has the fixed cover, magnetic rotor dish one is at the position fixed mounting with permanent magnet one that corresponds with permanent magnet two; after adopting above-mentioned structure, this permanent magnet speed regulation ware need not to change the magnetic gap just can adjust the rotational speed.

Description

Permanent magnet speed regulator with fixed magnetic gap

Technical Field

The utility model relates to a permanent magnet speed regulation ware technical field, concretely relates to permanent magnet speed regulation ware of fixed magnetic gap.

Background

The permanent magnet speed regulator realizes the soft (magnetic) connection of the motor and the load through the magnetic coupling speed regulation of the permanent magnet, has no harmonic wave generation influencing the power grid, has high reliability, can work in various severe environments such as high temperature, low temperature, humidity, dirty, inflammable and explosive, unstable voltage, thunder and lightning and the like, greatly reduces mechanical vibration, and is widely applied to industries such as electric power, steel, metallurgy, petrifaction, paper making, municipal administration, ships, irrigation, mining and the like. The current commonly used permanent magnet speed regulators realize the rotation speed regulation by regulating air gaps, the power consumption of a magnetic circuit regulator is high, and the defects of poor torque transfer capability, high assembly difficulty, waste of a large amount of rare earth resources and the like exist.

Patent publication No. CN207706023U discloses a permanent magnet speed regulator with fixed magnetic gap, which comprises an armature rotor disc connected with an input shaft, a magnetic rotor disc A and a magnetic rotor disc B, wherein the magnetic rotor disc A and the magnetic rotor disc B are arranged on two side faces of the armature rotor disc and connected with an output shaft; the armature rotor disc comprises a winding coil B, a winding coil A and an iron core, wherein the winding coil B and the winding coil A are respectively arranged on the inner side surface and the outer side surface of the outer circumference of the armature rotor disc, the iron core is arranged between the winding coil B and the winding coil A, the permanent magnet B corresponding to the winding coil B is arranged on the inner side surface of the magnetic rotor disc B, and the permanent magnet A corresponding to the winding coil A is arranged on the inner side surface of the magnetic rotor disc A; the winding coil B and the winding coil A are connected in series in the same polarity, and a control system for current regulation is connected between the two winding coils in series.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a permanent magnet speed regulator with a fixed magnetic gap, wherein an armature rotor disc is symmetrically provided with mounting grooves near the edges, and an adjusting block is movably mounted in the mounting grooves, so that the lengths of iron cores between a winding coil I and a winding coil II can be adjusted by a first positioning table, a second positioning table and a third positioning table arranged on the left side of the adjusting block, and the magnetic field strengths of the winding coil I and the winding coil II are changed, thereby changing the torque and realizing speed regulation; meanwhile, the position of the original filling block can be increased by the permanent magnet III, and the permanent magnet III is fixed by the fixing cover, so that the magnetic strength of the magnetic rotor disk II is changed, the torque is changed, and the speed regulation is realized; the whole device can adjust the rotating speed of the permanent magnet speed regulator on the basis of a fixed magnetic gap, and meanwhile, the magnetic field is stable to change and convenient to adjust.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a permanent magnet speed regulator of fixed magnetic gap, includes input shaft, output shaft, input shaft fixedly connected with armature rotor dish, armature rotor dish is close to the edge symmetry and has seted up the mounting groove, two movable mounting has the regulating block in the mounting groove, the outside direction in the inside left end of mounting groove set up with the mounting hole one of iron core adaptation, iron core movable mounting is in mounting hole one, iron core pole portion has cup jointed the spring, the spring is located between iron core head and the mounting groove cell wall, the outside symmetry fixedly connected with winding coil one of armature rotor dish and winding coil two, winding coil one is located the iron core right side, winding coil two is located the iron core left side.

Output shaft fixedly connected with magnetism rotor dish two, two outside fixedly connected with magnetism rotor dish left ends of magnetism rotor dish, two right side edges fixed mounting of magnetism rotor dish have permanent magnet two, two installation permanent magnet of magnetism rotor dish department left sides offer with the installation ring groove of filling block adaptation, the filling block is placed in installation ring groove, two fixed mounting of magnetism rotor dish has the fixed cover on installation ring groove left side, magnetism rotor dish one with two corresponding position fixed mounting of permanent magnet have permanent magnet one, a right-hand member of magnetism rotor dish rotates and installs outside armature rotor dish right side.

As a further aspect of the present invention: the left end of the adjusting block is sequentially provided with a first positioning table, a second positioning table and a third positioning table which are connected through a slope.

As a further aspect of the present invention: the first permanent magnet, the second permanent magnet and the third permanent magnet are all in a ring shape.

As a further aspect of the present invention: the first winding coil and the second winding coil are symmetrically distributed around the iron core.

As a further aspect of the present invention: and the three dimensions of the permanent magnet are consistent with the dimension of the filling block.

The utility model has the advantages that: mounting grooves are symmetrically formed in the armature rotor disc close to the edge, adjusting blocks are movably mounted in the mounting grooves, the lengths of iron cores between the first winding coil and the second winding coil can be adjusted through a first positioning table, a second positioning table and a third positioning table which are arranged on the left side of the adjusting blocks, and the magnetic field strengths of the first winding coil and the second winding coil are changed, so that the torque is changed, and the speed regulation is realized; meanwhile, the position of the original filling block can be increased by the permanent magnet III, and the permanent magnet III is fixed by the fixing cover, so that the magnetic strength of the magnetic rotor disk II is changed, the torque is changed, and the speed regulation is realized; the whole device can adjust the rotating speed of the permanent magnet speed regulator on the basis of a fixed magnetic gap, and meanwhile, the magnetic field is stable to change and convenient to adjust.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of a three-structure permanent magnet of the present invention;

fig. 3 is a schematic diagram of the structure of the adjusting block of the present invention.

In the figure: 1. an input shaft; 2. an adjusting block; 3. a first winding coil; 4. an iron core; 5. a second winding coil; 6. a first permanent magnet; 7. a permanent magnet II; 8. filling blocks; 9. a fixed cover; 10. an output shaft; 11. mounting grooves; 12. a magnetic gap; 13. a first magnetic rotor disc; 14. a second magnetic rotor disc; 15. an armature rotor disk; 16. a spring; 17. a permanent magnet III; 21. a first positioning table; 22. a second positioning table; 23. and a third positioning table.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a permanent magnet speed regulator with fixed magnetic gap, including input shaft 1, output shaft 10, input shaft 1 fixedly connected with armature rotor disc 15, armature rotor disc 15 is close to the edge symmetry and has seted up mounting groove 11, two movable mounting has regulating block 2 in the mounting groove 11, the inside left end of mounting groove 11 is seted up the mounting hole one with iron core 4 adaptation to the outside direction, iron core 4 movable mounting is in mounting hole one, iron core 4 pole portion cup joints spring 16, spring 16 is located between iron core 4 head and the mounting groove 11 cell wall, the outside symmetry fixedly connected with winding coil one 3 and winding coil two 5 of armature rotor disc 15, winding coil one 3 is located the iron core 4 right side, winding coil two 5 is located the iron core 4 left side;

output shaft 10 fixedly connected with magnetism rotor disc two 14, the 13 left end of the two 14 outside fixedly connected with magnetism rotor discs of magnetism rotor disc, the edge fixed mounting in the two 14 right sides of magnetism rotor disc has two 7 permanent magnets, the installation annular groove with the 8 adaptations of filling block is seted up in the two 7 left sides of the two 14 installation permanent magnets of magnetism rotor disc, filling block 8 is placed in installation annular groove, two 14 fixed mounting of magnetism rotor disc have fixed cover 9 in installation annular groove left side, a 13 corresponding position fixed mounting with two 7 permanent magnets of magnetism rotor disc has a permanent magnet 6, a 13 right-hand members of magnetism rotor disc rotate and install in the 15 right sides of armature rotor disc outsidely.

2 left ends of regulating block are equipped with location platform one 21, location platform two 22, location platform three 23 in proper order, connect with the slope between location platform one 21, location platform two 22, the location platform three 23, permanent magnet one 6, permanent magnet two 7 and permanent magnet three 17 all are the annular shape, winding coil one 3 and winding coil two 5 are about 4 symmetric distributions of iron core, three 17 sizes of permanent magnet are unanimous with 8 sizes of filling block.

The method for adjusting the permanent magnet speed regulator with the fixed magnetic gap comprises the following steps:

according to the first method, on the basis of not changing the magnetic gap 12, the length of the iron core 4 between the first winding coil 3 and the second winding coil 5 is changed by adjusting the position of the adjusting block 2, so that the magnetic field strength of the first winding coil 3 and the second winding coil 5 is changed, the torque is changed, and the speed regulation is realized.

And secondly, on the basis of not changing the magnetic gap 12, the magnetic strength of the second magnetic rotor disk 14 is changed and the torque is changed by adding the third permanent magnet 17, so that the speed regulation is realized.

The working principle is as follows: mounting grooves 11 are symmetrically formed in the armature rotor disc 15 close to the edge, an adjusting block 2 is movably mounted in the mounting groove 11, the length of an iron core 4 between a first winding coil 3 and a second winding coil 5 is adjusted through a first positioning table 21, a second positioning table 22 and a third positioning table 23 arranged on the left side of the adjusting block 2, and the magnetic field strength of the first winding coil 3 and the second winding coil 5 is changed, so that the torque is changed, and the speed regulation is realized; meanwhile, the permanent magnet III 17 is additionally arranged at the original position of the filling block 8 and is fixed through the fixing cover 9, the magnetic strength of the magnetic rotor disc II 14 is changed, the torque is changed, and the speed regulation is realized.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The permanent magnet speed regulator with the fixed magnetic gap comprises an input shaft (1) and an output shaft (10), and is characterized in that the input shaft (1) is fixedly connected with an armature rotor disc (15), the armature rotor disc (15) is symmetrically provided with mounting grooves (11) close to the edge, two adjusting blocks (2) are movably mounted in the mounting grooves (11), a first mounting hole matched with an iron core (4) is formed in the outer direction of the inner left end of the mounting groove (11), the iron core (4) is movably mounted in the first mounting hole, a spring (16) is sleeved on the rod part of the iron core (4), the spring (16) is located between the head part of the iron core (4) and the groove wall of the mounting groove (11), a first winding coil (3) and a second winding coil (5) are symmetrically and fixedly connected to the outer part of the armature rotor disc (15), and the first winding coil (3) is located on, the second winding coil (5) is positioned on the left side of the iron core (4);

output shaft (10) fixedly connected with magnetism rotor dish two (14), magnetism rotor dish two (14) outside fixedly connected with magnetism rotor dish (13) left end, magnetism rotor dish two (14) right side edge fixed mounting has permanent magnet two (7), the installation annular groove with filling block (8) adaptation is seted up in magnetism rotor dish two (14) installation permanent magnet two (7) department left side, filling block (8) are placed in installation annular groove, magnetism rotor dish two (14) have fixed cover (9) at installation annular groove left side fixed mounting, magnetism rotor dish (13) correspond position fixed mounting with permanent magnet two (7) have permanent magnet (6), magnetism rotor dish (13) right-hand member rotates and installs outside armature (15) right side.

2. The permanent magnet speed regulator with the fixed magnetic gap according to claim 1, wherein a first positioning table (21), a second positioning table (22) and a third positioning table (23) are sequentially arranged at the left end of the adjusting block (2), and the first positioning table (21), the second positioning table (22) and the third positioning table (23) are connected in a slope manner.

3. A fixed-gap permanent magnet governor according to claim 1, characterized in that the first permanent magnet (6), the second permanent magnet (7), and the third permanent magnet (17) are all in the shape of a circular ring.

4. A fixed-gap permanent magnet governor according to claim 1, characterized in that the winding coils one (3) and two (5) are symmetrically distributed about the core (4).

5. A fixed-gap permanent magnet governor according to claim 1, characterized in that the permanent magnet three (17) is of the same size as the filler block (8).