CN216086274U

CN216086274U - Generator coil bobbin

Info

Publication number: CN216086274U
Application number: CN202122456383.1U
Authority: CN
Inventors: 温海军; 温海波; 曹付周
Original assignee: Liaocheng Junhua Electromechanical Co ltd
Current assignee: Liaocheng Junhua Electromechanical Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-18
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a coil winding frame of a generator, which relates to the technical field of generators and comprises an upper stator core, permanent magnets are arranged on two sides of the bottom of the upper stator core, a lower stator core is arranged at the bottom of each permanent magnet, the upper stator core and the lower stator core are symmetrically arranged, stator poles are fixedly connected with the inner walls of the upper stator core and the lower stator core, wire grooves are formed in the outer walls of the stator poles, coils are wound in the inner cavities of the wire grooves, compared with the traditional exposed coils, the coils are embedded into the wire grooves to better protect the coils and avoid the coils from being damaged, a large amount of heat can be radiated by the generator during operation, the high-efficiency heat radiation effect cannot be achieved by simply depending on airflow, and a silica gel plate is used as a medium with good heat conductivity and can rapidly conduct the heat out to radiate the surrounding air, avoid the damage that causes of generator high temperature.

Description

Generator coil bobbin

Technical Field

The utility model relates to the technical field of generators, in particular to a coil winding frame of a generator.

Background

The generator is mechanical equipment which converts other forms of energy into electric energy, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits the mechanical energy to the generator, and then the generator converts the mechanical energy into electric energy. The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life.

The existing generator coil is mostly wound in an exposed form, a single coil is very fine and thin, a protection mechanism is lacked, damage is easily caused, a large amount of heat can be dissipated when the generator operates, and the existing generator cannot achieve the effect of high-efficiency heat dissipation by driving the heat to dissipate through airflow of heat dissipation meshes.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a generator coil bobbin, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a generator coil bobbin, includes stator core, the both sides of going up stator core bottom are provided with the permanent magnet, the bottom of permanent magnet is provided with down stator core, it sets up with lower stator core symmetry to go up stator core, go up the equal fixedly connected with stator pole of stator core's inner wall down with stator core, the wire casing has been seted up to the outer wall of stator pole, the inner chamber winding of wire casing has the coil.

Preferably, the stator poles are provided with four groups, namely a1, a2, A3 and a4, the a1 and the A3 form an armature winding, and the a2 and the a4 form an armature winding.

Preferably, a rotor is arranged in a circular inner cavity formed by the upper stator core and the lower stator core, and a rotating shaft is arranged in the middle of the front face of the rotor.

Preferably, the rotor is provided with six groups of rotor poles, and the outer walls of the rotor poles are tangent to the inner walls of the stator poles.

Preferably, the rotating shaft is a bidirectional rotating shaft, a heat dissipation plate is arranged at the bottom of the outer ring of the rotating shaft, and the heat dissipation plate is a silica gel plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. this generator coil bobbin constitutes an armature winding through A1 and A3, an armature winding is constituteed with A4 to A2, and two armature windings of coil twine and reverse series, then export direct current to load R through the full-bridge rectifier that the diode is constituteed, and the wire casing has been seted up to the outer wall of stator utmost point, and the inner chamber winding of wire casing has the coil, exposes the coil for the tradition, can protect the coil better with the coil embedding in the wire casing, avoids the coil impaired.

2. This generator coil bobbin, the pivot is two-way axis of rotation, bottom in the axis of rotation outer lane is provided with the heating panel, the heating panel is a silica gel board, the generator can dispel the heat a large amount of heats when the operation, rely on the air current to dispel the heat alone and reach high-efficient radiating effect, the silica gel board has good heat-conducting medium as one kind, can be quick derive the heat, remove in the air of heat dissipation periphery, avoid the generator high temperature to cause the damage.

Drawings

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

FIG. 2 is a top view of the present invention;

fig. 3 is an internal cross-sectional view of the present invention.

In the figure: 1. an upper stator core; 2. a permanent magnet; 3. a lower stator core; 4. a stator pole; 5. a wire slot; 6. a coil; 7. a rotor; 701. a rotor pole; 8. a rotating shaft; 9. a heat sink.

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.

Example (b): referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a generator coil bobbin, including last stator core 1, the both sides of going up 1 bottom of stator core are provided with permanent magnet 2, the bottom of permanent magnet 2 is provided with stator core 3 down, it sets up with 3 symmetries of stator core down to go up stator core 1, the equal fixedly connected with stator pole 4 of inner wall of going up stator core 1 and stator core 3 down, wire casing 5 has been seted up to the outer wall of stator pole 4, the inner chamber winding of wire casing 5 has coil 6, expose coil 6 for the tradition, can protect coil 6 better in imbedding coil 6 into wire casing 5, avoid coil 6 impaired.

The stator poles 4 are provided with four groups, namely a1, a2, A3 and a4, wherein the a1 and the A3 form an armature winding, and the a2 and the a4 form an armature winding.

In this embodiment, two armature windings of the coil 6 are wound and connected in series in opposite directions, and then direct current is output to the load R through a full bridge rectifier composed of diodes.

The inner cavity of a circle formed by the upper stator core 1 and the lower stator core 3 is provided with a rotor 7, the middle of the front face of the rotor 7 is provided with a rotating shaft 8, six groups of rotor poles 701 are arranged after the rotor 7 finishes, and the outer walls of the rotor poles 701 are tangent to the inner walls of the stator poles 4.

Wherein, pivot 8 is two-way axis of rotation, is provided with heating panel 9 in the bottom of axis of rotation outer lane, and heating panel 9 is a silica gel board.

In this embodiment, the generator can dispel the heat a large amount of heats when the operation, relies on the air current to dispel the heat purely and does not reach high-efficient radiating effect, and the silica gel board is as having good heat conduction medium, can be quick derive the heat, dispel the heat and go in the air of periphery, avoids the generator high temperature to cause the damage.

The working principle is as follows: four groups of stator poles 4 are arranged, namely A1, A2, A3 and A4, an armature winding is formed by A1 and A3, an armature winding is formed by A2 and A4, two armature windings of the coil 6 are wound and are connected in series in an opposite direction, then direct current is output to a load R through a full bridge rectifier formed by diodes, the coil 6 is wound in an inner cavity of the slot 5, compared with the traditional exposed coil 6, the coil 6 is embedded into the slot 5 to better protect the coil 6, the coil 6 is prevented from being damaged, a large amount of heat can be dissipated when the generator operates, heat cannot be dissipated by means of airflow simply, the efficient heat dissipation effect cannot be achieved, the silica gel plate is used as a medium with good heat conductivity, the heat can be rapidly conducted out and dissipated to the surrounding air, and damage caused by overhigh temperature of the generator is avoided.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A generator coil bobbin comprising an upper stator core (1), characterized in that: go up the both sides of stator core (1) bottom and be provided with permanent magnet (2), the bottom of permanent magnet (2) is provided with down stator core (3), go up stator core (1) and stator core (3) symmetry setting down, go up the equal fixedly connected with stator pole (4) of inner wall of stator core (1) and lower stator core (3), wire casing (5) have been seted up to the outer wall of stator pole (4), the inner chamber winding of wire casing (5) has coil (6).

2. A generator coil bobbin as set forth in claim 1 wherein: the stator poles (4) are provided with four groups, namely A1, A2, A3 and A4, the A1 and the A3 form an armature winding, and the A2 and the A4 form an armature winding.

3. A generator coil bobbin as set forth in claim 1 wherein: the inner cavity of a circle formed by the upper stator core (1) and the lower stator core (3) is provided with a rotor (7), and the middle of the front surface of the rotor (7) is provided with a rotating shaft (8).

4. A generator coil bobbin as set forth in claim 3 wherein: six groups of rotor poles (701) are arranged after the rotor (7) is finished, and the outer walls of the rotor poles (701) are tangent to the inner walls of the stator poles (4).

5. A generator coil bobbin as set forth in claim 3 wherein: the rotating shaft (8) is a bidirectional rotating shaft, a heat dissipation plate (9) is arranged at the bottom of the outer ring of the rotating shaft, and the heat dissipation plate (9) is a silica gel plate.