CN211127512U

CN211127512U - Multi-group excitation device of self-excited generator

Info

Publication number: CN211127512U
Application number: CN201922283339.8U
Authority: CN
Inventors: 陈军; 严东新
Original assignee: Nanjing Kaiyuan Electric Automation Co Ltd
Current assignee: Nanjing Kaiyuan Electric Automation Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-28
Anticipated expiration: 2029-12-18

Abstract

The utility model provides a self-excited generator multiunit excitation device, including main shaft and locating part, the right-hand member of main shaft is fixed with the chuck, and the left side periphery of chuck is provided with the jack catch, the left end of main shaft is provided with the slide bar, the surperficial left end of slide bar is provided with the sliding tray, the right side of chuck is provided with the turbine, and the right-hand member of turbine is provided with the transmission shaft, the main shaft is connected with the spread groove, and the spread groove is seted up inside the rotor, the outside of rotor is provided with the iron core, be provided with excitation coil between iron core and the rotor, and the right-hand member of rotor is connected with the jack catch, the periphery of iron core is provided with the fixed plate, and the interior. The utility model provides a self-excited generator multiunit excitation device has higher dismouting convenience, and has initiative radiating effect, is convenient for continuously keep the iron core to be in magnetic state simultaneously, has improved the practicality.

Description

Multi-group excitation device of self-excited generator

Technical Field

The utility model relates to a self-excited generator correlation technique field especially relates to a self-excited generator multiunit excitation device.

Background

Generators are mostly based on electromagnetic induction, and magnetic fields are required in the motors. The magnetic field may be generated by a permanent magnet or by passing a current through a coil by an electromagnet, and the generator is self-excited. The coil group specially arranged for generating the magnetic field in the generator is called as an excitation winding, and the magnetic field established by using the permanent magnet is weaker due to the limitation of the performance of the permanent magnet material, so that the coil group is mainly used for a small-capacity motor.

The existing partial self-excited generator usually generates a magnetic field through a single coil, and the magnetic force is prevented from being gradually faded after the generator stops rotating, so that the use is inconvenient.

Therefore, it is necessary to provide a self-excited generator excitation device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-excited generator multiunit excitation device has solved present part self-excited generator and has produced magnetic field through the monocoil usually, and this kind prevents that after generator stall, magnetic force can fade gradually, consequently has inconvenient problem when using.

For solving the technical problem, the utility model provides a self-excited generator multiunit excitation device, including main shaft and locating part, the right-hand member of main shaft is fixed with the chuck, and the left side periphery of chuck is provided with the jack catch, the left end of main shaft is provided with the slide bar, the surperficial left end of slide bar is provided with the sliding tray, the right side of chuck is provided with the turbine, and the right-hand member of turbine is provided with the transmission shaft, the main shaft is connected with the spread groove, and the spread groove is seted up inside the rotor, the outside of rotor is provided with the iron core, and the inside permanent magnet steel that is provided with of iron core, be provided with excitation coil between iron core and the rotor, and the right-hand member of rotor is connected with the jack catch, the periphery of iron core is.

Preferably, the central line of the main shaft and the central line of the chuck are on the same transverse straight line, and 3 clamping jaws are distributed on the left side of the chuck at equal angles.

Preferably, the diameter of the slide bar is smaller than that of the main shaft, the central line of the main shaft and the central line of the slide bar are on the same horizontal straight line, and the left end of the surface of the slide bar is symmetrically provided with 2 slide discs.

Preferably, the clamping jaws are respectively arranged between the adjacent iron cores, and the clamping jaws are connected with the rotor in a clamping manner.

Preferably, the connection mode of connecting groove and main shaft is sliding connection, and the inner wall of connecting groove and the surface of main shaft all are spline structure.

Preferably, the iron core, the permanent magnet steel and the magnet exciting coil are distributed in an equal angle about the central point of the rotor, and the rotor is connected with the permanent magnet steel in an embedded mode.

Preferably, the fixed plate, each of the magnetic poles and the limiting part are distributed at equal angles by 3, the magnetic poles at the inner end face of the fixed plate are distributed at equal angles, and the central axis of the fixed plate and the central axis of the limiting part are on the same straight line.

Compared with the prior art, the utility model provides a self-excited generator multiunit excitation device has following beneficial effect:

1. the utility model provides a multiunit excitation device of self-excited generator is provided with main shaft, chuck, slide bar, sliding tray, jack catch, turbine and moving axis, can drive the turbine and rotate when external power drives main shaft pivoted, and then drives the air flow and improve the holistic radiating effect of generator, and the spline structure on chuck and jack catch cooperation main shaft surface has improved the stability after main shaft and rotor are connected simultaneously.

2. The utility model provides a self-excited generator multiunit excitation device is provided with iron core, permanent magnet steel and excitation coil, is provided with 3 iron cores and excitation coil improvement generating efficiency through being the angle such as all around at the rotor, and the permanent magnet steel of inlaying in the iron core is convenient for still keep having magnetic force when the generator stops to use, has improved the practicality.

3. The utility model provides a self-excited generator multiunit excitation device is provided with fixed plate, magnetic pole and locating part, is convenient for be connected the inner wall of fixed plate with motor housing through the locating part, and a plurality of magnetic poles are convenient for further improve the holistic generating efficiency of generator.

Drawings

Fig. 1 is a schematic front view of a multi-group excitation device of a self-excited generator according to the present invention;

FIG. 2 is a schematic left side view of the rotor of FIG. 1;

FIG. 3 is a front view of the spindle of FIG. 1;

fig. 4 is an enlarged schematic view of a portion a shown in fig. 2.

Reference numbers in the figures: 1. the device comprises a main shaft, 2, a chuck, 3, a slide rod, 4, a slide disc, 5, a jaw, 6, a turbine, 7, a transmission shaft, 8, a connecting groove, 9, a rotor, 10, an iron core, 11, permanent magnet steel, 12, an excitation coil, 13, a fixing plate, 14, a magnetic pole, 15 and a limiting piece.

Detailed Description

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

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic front view of a multi-group excitation device of a self-excited generator according to the present invention; FIG. 2 is a schematic left side view of the rotor of FIG. 1; FIG. 3 is a front view of the spindle of FIG. 1; fig. 4 is an enlarged schematic view of a portion a shown in fig. 2. The multi-group excitation device of the self-excited generator comprises a main shaft 1 and a limiting part 15, a chuck 2 is fixed at the right end of the main shaft 1, a clamping jaw 5 is arranged on the periphery of the left side of the chuck 2, a sliding rod 3 is arranged at the left end of the main shaft 1, a sliding disc 4 is arranged at the left end of the surface of the sliding rod 3, a turbine 6 is arranged on the right side of the chuck 2, a transmission shaft 7 is arranged at the right end of the turbine 6, the main shaft 1 is connected with a connecting groove 8, the connecting groove 8 is formed inside a rotor 9, an iron core 10 is arranged on the outer side of the rotor 9, a permanent magnet steel 11 is arranged inside the iron core 10, an excitation coil 12 is arranged between the iron core 10 and the rotor 9, the right end of the rotor 9 is connected with the clamping jaw 5, a fixing.

The central line of main shaft 1 and the central line of chuck 2 are on same horizontal straight line, and the left side of chuck 2 is that angular distribution such as has 3 jack catchs 5, ensures that main shaft 1 can drive chuck 2 and rotate when rotating on same horizontal straight line, and then drives rotor 9 through jack catch 5 synchronization and rotates, has improved the practicality.

The diameter of slide bar 3 is less than the diameter of main shaft 1, and the central line of main shaft 1 is on same horizontal straight line with the central line of slide bar 3, and the surperficial left end of slide bar 3 is the symmetry formula simultaneously and is provided with 2 sliding discs 4, and through ensuring that main shaft 1 can drive slide bar 3, sliding disc 4 and turbine 6 in step when rotating, improves the radiating effect through the rotation of turbine 6.

The jack catch 5 sets up respectively between adjacent iron core 10, and the connected mode of jack catch 5 and rotor 9 is the block and is connected, is convenient for improve the connection stability between main shaft 1 and the rotor 9 through 3 jack catches 5, has improved the safety in utilization.

The connected mode of spread groove 8 and main shaft 1 is sliding connection, and the inner wall of spread groove 8 and the surface of main shaft 1 all are spline structure, has improved the stability when carrying out the transmission between spread groove 8 and the main shaft 1 through spline structure.

The iron core 10, the permanent magnet steel 11 and the magnet exciting coil 12 are all distributed at 3 equal angles about the central point of the rotor 9, the rotor 9 is connected with the permanent magnet steel 11 in an embedded mode, the iron core 10 is kept in a magnetic state conveniently through the permanent magnet steel 11, and the use convenience is improved.

Fixed

plate

13, 14 every and locating part 15 of magnetic pole all are angular distribution such as 3, and the magnetic pole 14 of terminal surface all is angular distribution such as 13 in the fixed plate, and the axis of fixed plate 13 is on same straight line with the axis of locating part 15 simultaneously, is convenient for be connected fixed plate 13 with the shell of motor through locating part 15, and a plurality of magnetic poles 14 have improved the generating efficiency, have improved the practicality.

The utility model provides a from exciting generator multiunit excitation device's theory of operation as follows: firstly, a main shaft 1 penetrates through a connecting groove 8 from left to right, a sliding rod 3 and a sliding disc 4 synchronously penetrate through the connecting groove 8 and move to the left end of a rotor 9, a spline structure on the surface of the main shaft 1 is connected with a spline structure on the inner wall of the connecting groove 8, then a clamping jaw 5 is pushed into the space between adjacent iron cores 10, the assembly of the main shaft 1 and the rotor 9 can be completed, a fixing plate 13 is fixed on the inner wall of a motor shell through a limiting part 15, a permanent magnet steel 11 continuously keeps the iron core 10 in a magnetic state, further the main shaft 1, a chuck 2, the sliding rod 3, the sliding disc 4 and a turbine 6 are driven to synchronously start rotating, further the iron core 10 is driven to rotate 3 excitation coils 12 wound on the iron core 10 under the action of a magnetic pole 14 to generate electric energy, in addition, in the rotating process of the turbine 6, external air is driven to circulate with the internal air of a generator, the stability of the main shaft 1 and the rotor 9 when rotating is improved.

1. the utility model provides a multiunit excitation device of self-excited generator is provided with main shaft 1, chuck 2, slide bar 3, sliding tray 4, jack catch 5, turbine 6 and moving axis 7, can drive turbine 6 and rotate when external power drives main shaft 1 pivoted, and then drives the air current and improves the holistic radiating effect of generator, and chuck 2 and jack catch 5 cooperate the spline structure on 1 surface of main shaft simultaneously, have improved the stability after main shaft 1 is connected with rotor 9.

2. The utility model provides a self-excited generator multiunit excitation device is provided with iron core 10, permanent magnet steel 11 and excitation coil 12, is provided with 3 iron core 10 and excitation coil 12 through the angle such as being around rotor 9 and improves the generating efficiency, and the permanent magnet steel 11 of inlaying in the iron core 10 is convenient for still keep having magnetic force when the generator stops to use, has improved the practicality.

3. The utility model provides a multiunit excitation device of self-excited generator is provided with fixed plate 13, magnetic pole 14 and locating part 15, is convenient for be connected fixed plate 13 with motor housing's inner wall through locating part 15, and a plurality of magnetic poles 14 are convenient for further improve the holistic generating efficiency of generator.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a self-excited generator multiunit excitation device, includes main shaft (1) and locating part (15), its characterized in that: the right end of the spindle (1) is fixed with a chuck (2), a clamping jaw (5) is arranged on the periphery of the left side of the chuck (2), a sliding rod (3) is arranged at the left end of the spindle (1), a sliding disc (4) is arranged at the left end of the surface of the sliding rod (3), a turbine (6) is arranged on the right side of the chuck (2), a transmission shaft (7) is arranged at the right end of the turbine (6), the spindle (1) is connected with a connecting groove (8), the connecting groove (8) is formed in a rotor (9), an iron core (10) is arranged on the outer side of the rotor (9), permanent magnet steel (11) is arranged in the iron core (10), an inner end (12) is arranged between the iron core (10) and the rotor (9), the right end of the rotor (9) is connected with the clamping jaw (5), a fixing plate (13) is arranged on the periphery of the iron core (10), and a magnetic, the limiting piece (15) is arranged in the middle of the outer end face of the fixing plate (13).

2. The multi-group excitation device of the self-excited generator according to claim 1, wherein the central line of the main shaft (1) and the central line of the chuck (2) are on the same transverse straight line, and 3 jaws (5) are distributed on the left side of the chuck (2) at equal angles.

3. The multi-group excitation device of the self-excited generator according to claim 1, wherein the diameter of the slide rod (3) is smaller than that of the main shaft (1), the central line of the main shaft (1) and the central line of the slide rod (3) are on the same horizontal straight line, and 2 sliding discs (4) are symmetrically arranged at the left end of the surface of the slide rod (3).

4. The multi-group excitation device of the self-excited generator according to claim 1, wherein the clamping jaws (5) are respectively arranged between adjacent iron cores (10), and the connection modes of the clamping jaws (5) and the rotor (9) are all clamping connection.

5. The excitation device of multiple groups of self-excited generators according to claim 1, wherein the connection way of the connection groove (8) and the main shaft (1) is a sliding connection, and the inner wall of the connection groove (8) and the surface of the main shaft (1) are both in a spline structure.

6. The multi-group excitation device of the self-excited generator according to claim 1, wherein the iron core (10), the permanent magnet steel (11) and the excitation coil (12) are distributed in 3 equal angles with respect to a central point of the rotor (9), and the rotor (9) and the permanent magnet steel (11) are connected in an embedded manner.

7. The excitation device of multiple groups of self-excited generators according to claim 1, wherein 3 fixed plates (13), 3 magnetic poles (14) and 3 limiting pieces (15) are distributed at equal angles, the magnetic poles (14) on the inner end surface of the fixed plate (13) are distributed at equal angles, and the central axes of the fixed plates (13) and the central axes of the limiting pieces (15) are on the same straight line.