CN111628583A

CN111628583A - Extension formula motor stator

Info

Publication number: CN111628583A
Application number: CN202010532061.8A
Authority: CN
Inventors: 胡理明; 方梦如
Original assignee: Guangde Zhengfu Fluid Machinery Co ltd
Current assignee: Guangde Zhengfu Fluid Machinery Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-09-04

Abstract

The invention discloses an expanded motor stator which comprises a group of stator monomers, wherein each stator monomer comprises a shell, a group of iron cores are distributed on the inner wall of the circumference of the shell in an annular array mode, winding coils are wound on the iron cores, stator slots are formed among the connected iron cores, stator teeth are arranged at one ends, far away from the shell, of the iron cores, the stator monomers are fixedly connected through a connecting device, the connecting device comprises connecting flanges arranged at the left and right ports of the shell, and the connecting flanges on the adjacent stator monomers are fixedly connected through bolts. The invention is an extended motor stator which has reasonable design, easy assembly, strong applicability and reduced production cost.

Description

Extension formula motor stator

Technical Field

The invention relates to the technical field of motors, in particular to an extended motor stator.

Background

The motor stator is an important component of a motor such as a generator and a starter. The stator is an important part of the motor. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current. However, most of the existing motor stators are of an integral structure, and the motor of one specification needs to be customized, so that the manufacturing cost of the motor is difficult to reduce.

Disclosure of Invention

The present invention is directed to an extended stator for an electric motor to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an extension formula motor stator, includes a set of stator monomer, the stator monomer includes the casing, annular array distributes on the circumference inner wall of casing has a set of iron core, around being equipped with the winding coil on the iron core, be provided with the stator slot between the iron core that links to each other, the one end that the casing was kept away from to the iron core is provided with the stator tooth utmost point, the stator monomer passes through connecting device fixed connection, connecting device passes through bolt fixed connection including setting up the flange of port about the casing, the last flange of adjacent stator monomer.

Preferably, the iron core is provided with a primary winding slot, a secondary winding slot and a tertiary winding slot, and the primary winding slot, the secondary winding slot and the tertiary winding slot are gradually close to the shell.

Preferably, the iron core is provided with a primary protrusion and a secondary protrusion, the primary winding slot is arranged between the primary protrusion and the stator tooth pole, the secondary winding slot is arranged between the primary protrusion and the secondary protrusion, and the tertiary winding slot is arranged between the secondary protrusion and the shell.

Preferably, the iron core is made of cold-rolled silicon steel sheet.

Preferably, a heat dissipation device is arranged on the circumferential outer wall of the shell, and the heat dissipation device comprises radiating fins distributed on the circumferential outer wall of the shell in an annular array.

Preferably, the heat sink is provided with a clearance device, the clearance device comprises a group of clearance grooves formed in the left end and the right end of the heat sink, and the bolts are arranged in the clearance grooves.

Preferably, the housing of the stator unit at the left and right ends is provided with a base.

Preferably, the base comprises a pair of support plates fixedly connected to the housing, and a connecting plate is arranged at the bottom of each support plate.

Compared with the prior art, the invention has the beneficial effects that: the stator monomer quantity can be set according to the actual needs of the motor and the specification of the rotor during assembly, and the adjacent stator monomers are fixedly connected through the bolts, so that the stator has the expansion performance, the applicability of the stator is improved, and the production cost of the stator is reduced. During assembly, winding coils are wound on the primary winding groove, the secondary winding groove and the tertiary winding groove according to needs, and flexibility is high. The radiating fins can improve the radiating performance of the stator monomer. The invention is an extended motor stator which has reasonable design, easy assembly, strong applicability and reduced production cost.

Drawings

FIG. 1 is a schematic structural diagram of an extended electric machine stator;

FIG. 2 is a cross-sectional view taken at A in FIG. 1;

fig. 3 is a partial enlarged view of fig. 1 at K.

In the figure: 1-stator monomer, 2-heat dissipation device, 3-heat dissipation sheet, 4-clearance device, 5-clearance groove, 6-connecting device, 7-connecting flange, 8-bolt, 9-machine base, 10-supporting plate, 11-connecting plate, 12-shell, 13-iron core, 14-stator groove, 15-primary winding groove, 16-secondary winding groove, 17-tertiary winding groove, 18-stator tooth pole, 19-primary bulge, 20-secondary bulge and 21-winding coil.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides an extension formula motor stator, includes a set of stator monomer 1, stator monomer 1 includes casing 12, annular array distributes on the circumference inner wall of casing 12 has a set of iron core 13, around being equipped with winding coil 21 on iron core 13, be provided with stator slot 14 between the continuous iron core 13, the one end that casing 12 was kept away from to iron core 13 is provided with stator tooth utmost point 18, stator monomer 1 passes through connecting device 6 fixed connection, connecting device 6 is including setting up flange 7 at the port about casing 12, and flange 7 on the adjacent stator monomer 1 passes through bolt 8 fixed connection.

Can set up stator monomer quantity during the assembly according to motor actual need and rotor specification, adjacent stator monomer 1 passes through bolt 8 fixed connection, makes the stator have the spreading performance, improves the stator suitability, reduces stator manufacturing cost.

Preferably, the iron core 13 is provided with a primary winding slot 15, a secondary winding slot 16 and a tertiary winding slot 17, and the primary winding slot 15, the secondary winding slot 16 and the tertiary winding slot 17 are gradually close to the case 12.

During assembly, the winding coil 21 is wound on the primary winding slot 15, the secondary winding slot 16 and the tertiary winding slot 17 according to requirements, and the flexibility is high.

Preferably, the iron core 13 is provided with a primary protrusion 19 and a secondary protrusion 20, the primary winding slot 15 is arranged between the primary protrusion 19 and the stator teeth 18, the secondary winding slot 16 is arranged between the primary protrusion 19 and the secondary protrusion 20, and the tertiary winding slot 17 is arranged between the secondary protrusion 20 and the shell 12.

The primary projections 19 and the secondary projections 20 separate the primary winding slots 15, the secondary winding slots 16, and the tertiary winding slots 17 on the core 13.

Preferably, the core 13 is made of cold rolled silicon steel sheet.

The iron core 13 is made of cold-rolled silicon steel sheet and has good toughness, bearing capacity and wear resistance.

Preferably, a heat sink 2 is disposed on the circumferential outer wall of the housing 12, and the heat sink 2 includes a circular array of cooling fins 3 distributed on the circumferential outer wall of the housing 12.

The heat radiation fins 3 can improve the heat radiation performance of the stator unit 1.

Preferably, the heat sink 3 is provided with a clearance device 4, the clearance device 4 comprises a group of clearance grooves 5 arranged at the left end and the right end of the heat sink 3, and the bolts 8 are arranged in the clearance grooves 5.

The clearance groove 5 plays a clearance role, and interference is avoided when the bolt 8 is installed.

Preferably, the housing 12 of the stator unit 1 is provided with a base 9.

The base 9 is used for fixing and installing the motor.

Preferably, the housing 9 includes a pair of support plates 10 fixedly connected to the housing 12, and a connecting plate 11 is disposed at the bottom of the support plates 10.

The support plate 10 connects the connection plate 11 with the housing 12, and the connection plate 11 is used for connection with an object to be mounted.

The working principle of the invention is as follows: can set up stator monomer quantity during the assembly according to motor actual need and rotor specification, adjacent stator monomer 1 passes through bolt 8 fixed connection, makes the stator have the spreading performance, improves the stator suitability, reduces stator manufacturing cost. During assembly, the winding coil 21 is wound on the primary winding slot 15, the secondary winding slot 16 and the tertiary winding slot 17 according to requirements, and the flexibility is high. The primary projections 19 and the secondary projections 20 separate the primary winding slots 15, the secondary winding slots 16, and the tertiary winding slots 17 on the core 13. The iron core 13 is made of cold-rolled silicon steel sheet and has good toughness, bearing capacity and wear resistance. The heat radiation fins 3 can improve the heat radiation performance of the stator unit 1. The clearance groove 5 plays a clearance role, and interference is avoided when the bolt 8 is installed. The base 9 is used for fixing and installing the motor. The support plate 10 connects the connection plate 11 with the housing 12, and the connection plate 11 is used for connection with an object to be mounted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An extended electric machine stator, comprising a set of stator cells (1), characterized in that: stator monomer (1) includes casing (12), annular array distributes on the circumference inner wall of casing (12) has a set of iron core (13), around being equipped with winding coil (21) on iron core (13), be provided with stator slot (14) between continuous iron core (13), the one end that casing (12) were kept away from in iron core (13) is provided with stator tooth utmost point (18), stator monomer (1) is through connecting device (6) fixed connection, connecting device (6) are including setting up flange (7) of port about casing (12), and flange (7) on the adjacent stator monomer (1) are through bolt (8) fixed connection.

2. An extended electric machine stator according to claim 1, wherein: the iron core (13) is provided with a primary winding groove (15), a secondary winding groove (16) and a tertiary winding groove (17), and the primary winding groove (15), the secondary winding groove (16) and the tertiary winding groove (17) are gradually close to the shell (12).

3. An extended electric machine stator according to claim 2, wherein: be provided with one-level arch (19) and second grade arch (20) on iron core (13), one-level winding groove (15) set up between one-level arch (19) and stator tooth (18), second grade winding groove (16) set up between one-level arch (19) and second grade arch (20), tertiary winding groove (17) set up between second grade arch (20) and casing (12).

4. An extended electric machine stator according to claim 1, wherein: the iron core (13) is made of a cold-rolled silicon steel sheet.

5. An extended electric machine stator according to claim 1, wherein: the heat dissipation device is characterized in that the heat dissipation device (2) is arranged on the circumferential outer wall of the shell (12), and the heat dissipation device (2) comprises radiating fins (3) distributed on the circumferential outer wall of the shell (12) in an annular array mode.

6. An extended electric machine stator according to claim 5, wherein: the radiating fin (3) is provided with a clearance device (4), the clearance device (4) comprises a group of clearance grooves (5) formed in the left end and the right end of the radiating fin (3), and the bolts (8) are arranged in the clearance grooves (5).

7. An extended electric machine stator according to claim 1, wherein: the housing (12) of the stator single body (1) at the left end and the right end is provided with a base (9).

8. An extended electric machine stator according to claim 7, wherein: the engine base (9) comprises a pair of supporting plates (10) fixedly connected to the shell (12), and a connecting plate (11) is arranged at the bottom of each supporting plate (10).