CN217935218U

CN217935218U - Permanent magnet synchronous motor stator

Info

Publication number: CN217935218U
Application number: CN202221899342.8U
Authority: CN
Inventors: 李凌云; 彭博; 李文科; 邱战峰; 张亮亮
Original assignee: Shandong Magnet Transmission Co ltd
Current assignee: Shandong Magnet Transmission Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-29
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a permanent magnet synchronous motor stator, including stator mechanism, outside one side of stator mechanism is provided with the front end housing, the one end of front end housing is connected with the rear end cap, stator mechanism's surface is provided with the inoxidizing coating mechanism that is used for protecting the increase material hardness, stator mechanism's middle part runs through and is provided with the jack-post, the heat dissipation mechanism that is used for the radiating of organism inside is installed to the one end of jack-post, heat dissipation mechanism is located the inboard middle part of rear end cap, all be provided with fixture between stator mechanism's outer wall both sides and the inner wall both sides of front end cap, the outer wall below of front end cap and rear end cap all is connected with the frame; this permanent magnet synchronous motor stator is inside to be provided with and to be used for inside organism to carry out radiating heat dissipation mechanism, has promoted the availability factor of device, and the inside stator structure of device is static in owing to being the motor, so increases fixture and is more firm in order to make the internals installation.

Description

Permanent magnet synchronous motor stator

Technical Field

The utility model relates to a relevant technical field of motor specifically is a permanent magnet synchronous motor stator.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, and the synchronous motor can be divided into: the permanent magnet synchronous motor provides excitation by a permanent magnet, so that the motor structure is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because of not needing exciting current, there is no excitation loss, has raised efficiency and power density of the electric motor, the synchronous electric motor of permanent magnetism has simple in construction, small, high advantage of the efficiency, power factor, etc.

At present, when a common permanent magnet synchronous motor stator on the market is used, the detachable performance inside the permanent magnet synchronous motor stator is not obvious enough when the permanent magnet synchronous motor stator is used, the stable clamping structure performance inside the permanent magnet synchronous motor stator is poor, the complexity of use of a user is increased, the service efficiency of the permanent magnet synchronous motor stator is reduced, and therefore the permanent magnet synchronous motor stator needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a permanent magnet synchronous motor stator to solve the present common permanent magnet synchronous motor stator on the market that proposes in the above-mentioned background art when using, the inside performance of dismantling is obvious inadequately usually when using, and the device is inside to stabilize the centre gripping structural performance relatively poor, has not only increased the numerous miscellaneous nature that the user used, has still reduced the availability factor's of this type of device problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PMSM stator, includes stator mechanism, outside one side of stator mechanism is provided with the front end housing, the one end of front end housing is connected with the rear end cap, stator mechanism's surface is provided with the inoxidizing coating mechanism that is used for the protection to increase the material hardness, stator mechanism's middle part is run through and is provided with the jack-post, the one end of jack-post is installed and is used for the inside radiating heat dissipation mechanism of organism, heat dissipation mechanism is located the inboard middle part of rear end cap, all be provided with fixture between stator mechanism's outer wall both sides and the inner wall both sides of front end cap, the outer wall below of front end cap and rear end cap all is connected with the frame.

Preferably, the stator mechanism comprises a stator winding, a stator core and rotor slots, the stator winding is located in the middle of the device, the stator core is arranged outside the stator winding, and the rotor slots are formed in the stator winding.

Preferably, the top of front end housing is provided with the wiring mouth, the top of wiring mouth is provided with the lid, the one end of lid is connected in front end housing's surperficial one side through the axis of rotation, an outer wall side edge of front end housing is provided with the condenser tube and connects.

Preferably, the protective layer mechanism comprises carbon steel, glass fiber, a gasket and lubricating oil, the carbon steel is located in the middle of the stator core, the glass fiber is arranged on the bottom face of the carbon steel, the gasket is arranged below the glass fiber, and the lubricating oil is coated on the surface of the carbon steel.

Preferably, a first bearing is arranged on one side of the surface of the shaft column, a second bearing is mounted at the tail end of the shaft column, the first bearing is located on one side of the inner portion of the front end cover, and the second bearing is located on one side of the inner portion of the rear end cover.

Preferably, the heat dissipation mechanism comprises a heat dissipation fan and a heat dissipation frame, the heat dissipation fan is located on one side of the inside of the rear end cover, one side of the outer wall of the heat dissipation fan is connected with one side of the outer wall of the second bearing, the heat dissipation frame is mounted on the outside of the heat dissipation fan, and the heat dissipation frame is located in the middle of one side of the outer wall of the rear end cover.

Preferably, fixture includes mounting panel, mounting bolt, spring, grip block and insulating pad, the mounting panel is located the inner wall both sides of front end housing respectively, the surperficial both sides of mounting panel all run through fixedly through the mounting bolt, the surperficial both sides of mounting panel all are provided with a plurality of springs, the output of spring is connected with the grip block, the surface of grip block is provided with insulating pad.

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

1. according to the permanent magnet synchronous motor stator, the wiring port is arranged above the outer part of the whole device, so that the line source can be directly connected through the outer part when the device is used in the later period, and meanwhile, the box cover is arranged at the wiring port, so that the wiring port can be prevented from dust when the device is not connected, and dust is prevented from entering the wiring port;

2. according to the permanent magnet synchronous motor stator, the protective performance of the whole device is improved through the arrangement of the external front end cover and the external rear end cover, meanwhile, the material of the stator is made of carbon steel, the hardness of the device is improved, and the lubricating oil arranged on the surface of the stator increases the lubricating property of the surface of the device, so that the integral operation of the device is facilitated;

3. this PMSM stator sets up heat dissipation mechanism through the inside of rear end cap and is favorable to the inside function of organism, and the heat that produces the function is sparse, improves device work efficiency, because the stator is motionless among the motor internals, the fixture that sets up between the inside and stator mechanism of front end cap is convenient for to the firm centre gripping of inside stator mechanism part, utilizes construction bolt to fix its setting simultaneously, is favorable to the dismantlement maintenance and the installation in later stage.

Drawings

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

FIG. 2 is a schematic view of the stator mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the clamping mechanism of the present invention;

fig. 4 is a schematic view of the structure of the protective layer mechanism of the present invention.

In the figure: 1. a stator mechanism; 101. a stator winding; 102. a stator core; 103. a rotor slot; 2. a front end cap; 201. a wiring port; 202. a box cover; 203. a rotating shaft; 204. a cooling water pipe joint; 3. a rear end cap; 4. a protective layer mechanism; 401. carbon steel; 402. glass fibers; 403. a gasket; 404. lubricating oil; 5. a jack post; 501. a first bearing; 502. a second bearing; 6. a heat dissipation mechanism; 601. a heat radiation fan; 602. a heat dissipation frame; 7. a clamping mechanism; 701. mounting a plate; 702. installing a bolt; 703. a spring; 704. a clamping plate; 705. an insulating pad; 8. a machine base.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a permanent magnet synchronous motor stator comprises a stator mechanism 1, the stator mechanism 1 comprises a stator winding 101, a stator core 102 and rotor slots 103, the stator winding 101 is located in the middle of the device, the stator core 102 is arranged outside the stator winding 101, the rotor slots 103 are formed in the stator winding 101, a front end cover 2 is arranged on one side of the outside of the stator mechanism 1, a wiring port 201 is formed in the top end of the front end cover 2, a box cover 202 is arranged above the wiring port 201, one end of the box cover 202 is connected to one side of the surface of the front end cover 2 through a rotating shaft 203, a cooling water pipe joint 204 is arranged on the edge of one side of the outer wall of the front end cover 2, one end of the front end cover 2 is connected with a rear end cover 3, a protective layer mechanism 4 for protecting and increasing the hardness of materials is arranged on the surface of the stator mechanism 1, the protective layer mechanism 4 comprises carbon steel 401, glass fiber 402, a gasket 403 and lubricating oil 404, the surface of the carbon steel 401 is coated with the lubricating oil 404, the wiring port 201 is arranged above the outside of the whole device, when the wire source is used for later stage, the wire source, the dust can be directly connected to the wiring device, the wire source, the dust can be prevented from entering the whole wire source device when the dust-increasing and the dust-increasing of the dust-preventing device, and the dust-increasing carbon steel-increasing device is arranged on the surface of the wire source device, and the dust-increasing device is arranged on the wire source;

a shaft post 5 is arranged in the middle of the stator mechanism 1 in a penetrating manner, a first bearing 501 is arranged on one side of the surface of the shaft post 5, a second bearing 502 is arranged at the tail end of the shaft post 5, the first bearing 501 is positioned on one side of the inside of the front end cover 2, the second bearing 502 is positioned on one side of the inside of the rear end cover 3, a heat dissipation mechanism 6 for dissipating heat inside the machine body is arranged at one end of the shaft post 5, the heat dissipation mechanism 6 is positioned in the middle of the inner side of the rear end cover 3, the heat dissipation mechanism 6 comprises a heat dissipation fan 601 and a heat dissipation frame 602, the heat dissipation fan 601 is positioned on one side of the inside of the rear end cover 3, one side of the outer wall of the heat dissipation fan 601 is connected with one side of the outer wall of the second bearing 502, the heat dissipation frame 602 is arranged outside the heat dissipation fan 601, the heat dissipation frame 602 is positioned in the middle of one side of the outer wall of the rear end cover 3, and clamping mechanisms 7 are arranged between two sides of the outer wall of the stator mechanism 1 and two sides of the inner wall of the front end cover 2, the clamping mechanism 7 comprises a mounting plate 701, a mounting bolt 702, springs 703, a clamping plate 704 and an insulating pad 705, the mounting plate 701 is respectively positioned at two sides of the inner wall of the front end cover 2, two sides of the surface of the mounting plate 701 are fixedly penetrated through the mounting bolt 702, a plurality of springs 703 are respectively arranged at two sides of the surface of the mounting plate 701, the output ends of the springs 703 are connected with the clamping plate 704, the insulating pad 705 is arranged on the surface of the clamping plate 704, the base 8 is connected below the outer walls of the front end cover 2 and the rear end cover 3, the heat dissipation mechanism 6 is arranged inside the rear end cover 3, which is beneficial to the internal operation of the machine body, and the heat generated by the operation is dissipated, so that the working efficiency of the device is improved, because the stator is static in the internal parts of the motor, the clamping mechanism 7 is arranged between the inside the front end cover 2 and the stator mechanism 1, which is convenient for stably clamping the parts of the internal stator mechanism 1, and is fixedly arranged by the mounting bolt 702, is favorable for later disassembly, maintenance and installation.

The working principle is as follows: for the permanent magnet synchronous motor stator, firstly, the starting and the running of the permanent magnet synchronous motor are formed by the interaction of magnetic fields generated by the stator winding 101, the rotor cage winding and the permanent magnet, when the motor is static, three-phase symmetrical current is introduced into the stator winding 101 to generate a stator rotating magnetic field, the stator rotating magnetic field generates current in the cage winding relative to the rotation of the rotor to form a rotor rotating magnetic field, asynchronous torque generated by the interaction of the stator rotating magnetic field and the rotor rotating magnetic field enables the rotor to rotate from the static state to the accelerated state, a wiring port 201 is arranged above the outer part of the whole device, so that the device can be directly connected with a wire source through the outer part in the later use, meanwhile, the box cover 202 is arranged at the wiring port 201 to facilitate the dustproof treatment of the wiring port 201 when the device is not connected with wires, avoid the entering of dust, the setting of outside front end housing 2 and rear end housing 3 has increased the barrier propterty of whole device, adopt carbon steel 401 with the material of stator itself simultaneously, the device hardness has been increased, the surface sets up lubricating oil 404 and has increased the lubricity on device surface, do benefit to the holistic operation of device, the inside of rear end housing 3 sets up heat dissipation mechanism 6 and is favorable to the inside function of organism, evacuate the heat that produces the function, the work efficiency of the device is improved, because the stator is motionless among the motor internals, fixture 7 who sets up between inside front end housing 2 and stator mechanism 1, be convenient for the firm centre gripping to inside stator mechanism 1 part, utilize construction bolt 702 to fix it simultaneously, be favorable to the dismantlement maintenance and the installation in later stage, this is exactly the theory of operation of this permanent magnet synchronous machine stator.

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

Claims

1. The utility model provides a PMSM stator, its characterized in that, includes stator mechanism (1), outside one side of stator mechanism (1) is provided with front end housing (2), the one end of front end housing (2) is connected with rear end cap (3), the surface of stator mechanism (1) is provided with inoxidizing coating mechanism (4) that are used for the protection to increase the material hardness, the middle part of stator mechanism (1) is run through and is provided with jack-post (5), heat dissipation mechanism (6) that are used for the inside heat dissipation of organism are installed to the one end of jack-post (5), heat dissipation mechanism (6) are located the inboard middle part of rear end cap (3), all be provided with fixture (7) between the outer wall both sides of stator mechanism (1) and the inner wall both sides of front end housing (2), the outer wall below of front end housing (2) and rear end cap (3) all is connected with frame (8).

2. The permanent magnet synchronous motor stator according to claim 1, characterized in that: the stator mechanism (1) comprises a stator winding (101), a stator core (102) and rotor slots (103), wherein the stator winding (101) is located in the middle of the device, the stator core (102) is arranged outside the stator winding (101), and the rotor slots (103) are formed in the stator winding (101).

3. The permanent magnet synchronous motor stator according to claim 1, characterized in that: the top of front end housing (2) is provided with wiring mouth (201), the top of wiring mouth (201) is provided with lid (202), the surface one side at front end housing (2) is connected through axis of rotation (203) to the one end of lid (202), the outer wall one side edge of front end housing (2) is provided with condenser tube joint (204).

4. The permanent magnet synchronous motor stator according to claim 2, characterized in that: the protective layer mechanism (4) comprises carbon steel (401), glass fiber (402), a gasket (403) and lubricating oil (404), wherein the carbon steel (401) is located in the middle of the stator core (102), the glass fiber (402) is arranged on the bottom surface of the carbon steel (401), the gasket (403) is arranged below the glass fiber (402), and the lubricating oil (404) is coated on the surface of the carbon steel (401).

5. The permanent magnet synchronous motor stator according to claim 1, characterized in that: the utility model discloses a bearing assembly, including pivot post (5), second bearing (502), first bearing (501) are installed to the surperficial one side of pivot post (5), second bearing (502) are installed to the end of pivot post (5), first bearing (501) are located inside one side of front end housing (2), second bearing (502) are located inside one side of rear end housing (3).

6. The permanent magnet synchronous motor stator according to claim 5, wherein: the heat dissipation mechanism (6) comprises a heat dissipation fan (601) and a heat dissipation frame (602), wherein the heat dissipation fan (601) is located on one side of the inner portion of the rear end cover (3), one side of the outer wall of the heat dissipation fan (601) is connected with one side of the outer wall of the second bearing (502), the heat dissipation frame (602) is installed outside the heat dissipation fan (601), and the heat dissipation frame (602) is located in the middle of one side of the outer wall of the rear end cover (3).

7. The permanent magnet synchronous motor stator according to claim 1, characterized in that: fixture (7) are including mounting panel (701), mounting bolt (702), spring (703), grip block (704) and insulating pad (705), mounting panel (701) are located the inner wall both sides of front end housing (2) respectively, the surface both sides of mounting panel (701) all run through fixedly through mounting bolt (702), the surface both sides of mounting panel (701) all are provided with a plurality of springs (703), the output of spring (703) is connected with grip block (704), the surface of grip block (704) is provided with insulating pad (705).