CN202586545U

CN202586545U - Permanent magnet and electromagnetic series magnetic field hybrid excitation generator

Info

Publication number: CN202586545U
Application number: CN 201220192088
Authority: CN
Inventors: 张学义
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-26
Filing date: 2012-04-26
Publication date: 2012-12-05
Anticipated expiration: 2022-04-26

Abstract

The utility model provides a permanent magnet and electromagnetic series magnetic field hybrid excitation generator, and pertains to the technical field of automobile motor electric apparatuses. The permanent magnet and electromagnetic series magnetic field hybrid excitation generator is composed of a rotor, a stator, a front end cover, a rear end cover and an electronic voltage stabilizing controller. The rotor is composed of tile magnetic steels, pole shoes, screws, a rotor core, a shaft and an electric excitation winding. The tile magnetic steels are fixed on the outer edge of the rotor core through the pole shoes by using the screws, wherein the convex surfaces of the tile magnetic steels are arranged in a manner that every two N poles are separated by a S pole and every two S poles are separated by a N pole. The rotor core is pressed onto the shaft. The coil of the electric excitation winding is wrapped onto the salient poles of the rotor core, wherein the coil is wrapped in a manner that the polarities of the convex surfaces of the salient poles which are generated after the coil is connected with a direct-current power supply are arranged according to a rule that every two N poles are separated by a S pole and every two S poles are separated by a N pole, and the coil on the salient poles has a same number of turns. A carbon brush is connected with the electronic voltage stabilizing controller. A slip ring is connected with the electric excitation winding. The carbon brush and the slip ring are installed on the left side of the rear end cover. The slip ring is fixed on the shaft, wherein diameter of the outer edge of the slip ring is less than the diameter of the inner hole of the bearing. According to the utility model, the magnetic field which is formed by superimposing the permanent magnetic field and the electric excitation magnetic field can be adjusted, the generator can be used to output a stable voltage in a wide rotating speed range and a wide load range and can be used to provide a direct-current power supply for modern automobile electric equipment.

Description

Permanent magnetism and electromagnetism series field hybrid excitation generator

Technical field

The utility model provides a kind of permanent magnetism and electromagnetism series field hybrid excitation generator, belongs to the electric motor of automobile technical field of electric appliances.

Background technology

Auto industry is the sign of modern industry; It is the leading industry of the national economic development; Various aspects in industrial and agricultural production, communications and transportation and human being's production life all play indispensable effect; The generator present and automobile accessories use, ubiquity the phenomenon of low speed illuminating effect difference, can not satisfy user's instructions for use.Patent of invention like Chinese patent communique bulletin in 8 days Augusts calendar year 2001: voltage stabilization permanent magneto generator; Application number: 00112053.0; Form by casing, support, line shaft, rotor, permanent magnetic steel, stator, stator winding, stator seat, stator slip cap, balancing spring, anti-rotation attachment screw, sliding shoe, adjusting rotating shaft, location bearing, adjusting rotating shaft driving mechanism and automatic feedback control circuit etc.; Power rotation axis is fixed on the support through location bearing, and rotor is fixed on the power rotation axis, and an end of stator slip cap is fixed on the support; Have groove on the stator slip cap vertically; Balancing spring is arranged in the stator slip cap, and an end of this spring is stopped that by an end face of stator slip cap other end ejection places the sliding shoe in the stator slip cap; Be fixedly connected by the anti-rotation attachment screw that passes the slip cap groove between this sliding shoe and the stator seat; This sliding shoe center is screw thread with an end of regulating rotating shaft and flexibly connects, and the detection signal input of automatic feedback control circuit is connected to the stator winding output, and this circuit control signal output part is connected to the controlled terminal of driving mechanism.This voltage stabilization permanent magneto generator complex structure, cost is high, and its serviceability needs further improvement.

Summary of the invention

The purpose of the utility model provides and a kind ofly can overcome the common excitation of above-mentioned defective, permanent magnetism and electromagnetism; The magnetic field that produces is connected synthetic in power generator air gap; Magnetic field intensity is big; Generator power density is high, permanent magnetism easy to install and use and electromagnetism series field hybrid excitation generator, and its technology contents is:

By permanent magnetism and the electromagnetism series field hybrid excitation generator that rotor, stator, front end housing, rear end cap, electronic voltage regulation controller are formed, the shared same rotor core of radial permanent magnet field and salient pole electromagnetic field, the magnetic field of generation is connected synthetic in power generator air gap;

Rotor is made up of tile magnet steel, pole shoe, screw, rotor core, axle, electric excitation winding; The tile magnet steel by convex surface be the extremely spaced mode of the N utmost point, S through pole shoe by screw on the cylindrical of rotor core; Rotor core is fitted on the axle, and the coil of electric excitation winding is wrapped on the salient pole of rotor core, is that the N utmost point, S utmost point rule separately wind the line successively by feeding the polarity that the convex surface of salient pole produces behind the direct current; The number of turn on each salient pole should equate; Carbon brush is connected with electronic voltage regulation controller, and slip ring is connected with electric excitation winding, and carbon brush, slip ring are installed in the left side of rear end cap; Slip ring is fixed on the axle, and the outside diameter of slip ring is less than the diameter of bore of bearing;

Stator is made up of stator core, armature winding, and stator is fixed between front end housing, the rear end cap, and armature winding is wrapped on the stator tooth of stator core.

Operation principle: automobile engine drives generator pulley and rotates, i.e. rotor field rotation, and the armature winding cutting magnetic line produces electromotive force, for the electricity consumption facility of automobile provides electric energy.

The utility model compared with prior art, the shared same rotor core of radial permanent magnet field and salient pole electromagnetic field, it is synthetic to connect in power generator air gap in the magnetic field of generation; Magnetic field intensity is big; Generator power density is high, through regulating the size and Orientation of salient pole electricity excitation rotor electrical current, the magnetic field behind permanent magnetic field and the electric exciting field superposition can be regulated during work; Generator output voltage in wide rotating speed, wide loading range keeps stable, but suit is used generator in Hyundai Motor.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is rotor A-A profile.

Among the figure: 1. electronic voltage regulation controller; 2. slip ring; 3. carbon brush; 4. bearing; The axle; 6. rear end cap; 7. pole shoe; 8. stator core; 9. screw; 10. tile magnet steel; 11. front end housing; 12. armature winding; 13. rotor core; 14. electric excitation winding

Embodiment

Below in conjunction with accompanying drawing the utility model is described further: permanent magnetism and the electromagnetism series field hybrid excitation generator formed by rotor, stator, front end housing 11, rear end cap 6, electronic voltage regulation controller 1; The shared same rotor core 13 of radial permanent magnet field and salient pole electromagnetic field, the magnetic field of generation are connected synthetic in power generator air gap;

Rotor is made up of tile magnet steel 10, pole shoe 7, screw 9, rotor core 13, axle 5, electric excitation winding 14; Tile magnet steel 10 is that the extremely spaced mode of the N utmost point, S is fixed on the cylindrical of rotor core 13 through pole shoe 7 by screw 9 by convex surface; Rotor core 13 is fitted on the axle 5, and the coil of electric excitation winding 14 is wrapped on the salient pole of rotor core 13, is that the N utmost point, S utmost point rule separately wind the line successively by feeding the polarity that the convex surface of salient pole produces behind the direct current; The number of turn on each salient pole should equate; Carbon brush 3 is connected with electronic voltage regulation controller 1, and slip ring 2 is connected with electric excitation winding 14, and carbon brush 3, slip ring 2 are installed in the left side of rear end cap 6; Slip ring 2 is fixed on the axle 5, and the outside diameter of slip ring 2 is less than the diameter of bore of bearing 4;

Stator is made up of stator core 8, armature winding 12, and stator is fixed between front end housing 11, the rear end cap 6, and armature winding 12 is wrapped on the stator tooth of stator core 8.

Claims

1. permanent magnetism and electromagnetism series field hybrid excitation generator; Form by rotor, stator, front end housing (11), rear end cap (6), electronic voltage regulation controller (1); It is characterized in that: the shared same rotor core of radial permanent magnet field and salient pole electromagnetic field (13), the magnetic field of generation are connected synthetic in power generator air gap;

Rotor is made up of tile magnet steel (10), pole shoe (7), screw (9), rotor core (13), axle (5), electric excitation winding (14); Tile magnet steel (10) is that the extremely spaced mode of the N utmost point, S is fixed on the cylindrical of rotor core (13) by screw (9) through pole shoe (7) by convex surface; Rotor core (13) is fitted on the axle (5), and the coil of electric excitation winding (14) is wrapped on the salient pole of rotor core (13), is that the N utmost point, S utmost point rule separately wind the line successively by feeding the polarity that the convex surface of salient pole produces behind the direct current; The number of turn on each salient pole should equate; Carbon brush (3) is connected with electronic voltage regulation controller (1), and slip ring (2) is connected with electric excitation winding (14), and carbon brush (3), slip ring (2) are installed in the left side of rear end cap (6); Slip ring (2) is fixed on the axle (5), and the outside diameter of slip ring (2) is less than the diameter of bore of bearing (4);

Stator is made up of stator core (8), armature winding (12), and stator is fixed between front end housing (11), the rear end cap (6), and armature winding (12) is wrapped on the stator tooth of stator core (8).