CN215420031U

CN215420031U - High heat dissipation type PMSM stator

Info

Publication number: CN215420031U
Application number: CN202120796265.2U
Authority: CN
Inventors: 林明敏; 张陈; 金叶
Original assignee: Panlong Mechanical & Electrical Co ltd
Current assignee: Panlong Mechanical & Electrical Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-01-04
Anticipated expiration: 2031-04-19

Abstract

The utility model provides a high heat dissipation type permanent magnet synchronous motor stator, which comprises a shell, wherein one side of the shell is fixedly provided with a wiring port, the surface of the shell is fixedly connected with a plurality of heat dissipation fins, the bottom of the shell is fixedly connected with a mounting seat, the surface of the mounting seat is provided with a mounting hole, a stator iron core is embedded in the shell, a heat dissipation mechanism is arranged between the shell and the stator iron core, and through the arranged heat dissipation mechanism, be equipped with the cooling chamber between shell and stator are connected, there is the coolant liquid through injecting to cooling chamber inside, coolant liquid direct contact stator core outer wall, take away the absorptive heat of stator core, the coolant liquid realizes the flow of coolant liquid through inlet tube and the outlet pipe of shell both sides intercommunication for thermal taking away, set up and absorb the heat of inside that the louvre inside the stator winding can be quick, the sealed waterproof ring that is equipped with can prevent the coolant liquid seepage.

Description

High heat dissipation type PMSM stator

Technical Field

The utility model relates to the technical field of synchronous motors, in particular to a high-heat-dissipation permanent magnet synchronous motor stator.

Background

The permanent magnet synchronous motor provides excitation by the permanent magnet, so that the structure of the motor 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; the permanent magnet synchronous motor is composed of a stator, a rotor, an end cover and other parts, the stator is basically the same as the common induction motor, a lamination structure is adopted to reduce the iron loss of the motor during operation, the stator inside the stator of the existing permanent magnet synchronous motor is fixedly connected to the inner wall of a shell, and heat dissipation is carried out through a heat dissipation fan sleeved at one end of the rotor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-heat-dissipation permanent magnet synchronous motor stator, which solves the problem that the conventional permanent magnet synchronous motor stator provided by the background technology does not have a heat dissipation function, so that the internal heat is accumulated together and cannot be quickly dissipated in the use process, and the service life of the permanent magnet synchronous motor is greatly shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high heat dissipation type PMSM stator, includes the shell, shell one side fixed mounting has the wiring port, the fixed surface of shell is connected with a plurality of fin, the bottom fixedly connected with mount pad of shell, the mounting hole has been seted up on the surface of mount pad, the inside of shell is inlayed and is equipped with stator core, be equipped with heat dissipation mechanism between shell and the stator core.

In order to facilitate the heat dissipation of the stator core, the utility model adopts a preferable scheme that: the heat dissipation mechanism is including seting up water inlet and the delivery port in the shell both sides, the inside intercommunication of water inlet has the inlet tube, the inside intercommunication of delivery port has the outlet pipe, shell and stator core junction form the cooling chamber, the inside notes of cooling chamber have the coolant liquid, inlet tube and outlet pipe and cooling chamber intercommunication.

In order to increase the heat absorption, as a preferred embodiment of the utility model: the stator winding is provided with a plurality of groups and a cavity is formed between adjacent stator windings, and the inner walls of the stator core and the stator windings are coated with heat-absorbing coatings.

In order to accelerate the heat conduction, as a preferred embodiment of the utility model: the stator winding is characterized in that heat dissipation holes are formed in the stator winding, heat conduction fins are fixedly connected to the inside of the heat dissipation holes, and the heat conduction fins are made of aluminum.

In order to make the cooling chamber have the function of preventing leakage, as a preferred scheme of the utility model: and a waterproof sealing ring is arranged at the joint of the cooling cavity, the shell and the stator core.

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

(1) through the arranged heat dissipation mechanism, a cooling cavity is arranged between the shell and the stator, cooling liquid is injected into the cooling cavity, the cooling liquid directly contacts the outer wall of the stator core, heat absorbed by the stator core is taken away, and the cooling liquid flows through a water inlet pipe and a water outlet pipe which are communicated with the two sides of the shell, so that the heat dissipation efficiency is improved;

(2) can be quick absorb inside heat through seting up the inside louvre of stator winding, the inside conducting strip of louvre is with the heat conduction of absorption to the stator core inner wall with stator winding fixed connection, has increased the absorptive ability of inside heat, and the waterproof sealing ring that is equipped with can prevent that the coolant liquid seepage from causing the heat-sinking capability to reduce.

Drawings

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

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

FIG. 3 is a schematic view of the cooling chamber of the present invention;

fig. 4 is a schematic diagram of the stator winding structure of the present invention.

In the figure: 1. a housing; 2. a wiring port; 3. a heat sink; 4. a mounting seat; 5. mounting holes; 6. a stator core; 7. a heat dissipation mechanism; 71. a water inlet pipe; 72. a water outlet pipe; 73. a cooling chamber; 8. a stator winding; 81. heat dissipation holes; 82. a heat conductive sheet; 9. a cavity; 10. waterproof sealing ring.

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. 1-4, the present invention provides a technical solution: the utility model provides a high heat dissipation type PMSM stator, includes

shell

1, and 1 one side fixed mounting of shell has wiring port 2, and the fixed surface of shell 1 is connected with a plurality of fin 3, and the bottom fixedly connected with mount pad 4 of shell 1, mounting hole 5 has been seted up on the surface of mount pad 4, and the inside of shell 1 is inlayed and is equipped with stator core 6, is equipped with heat dissipation mechanism 7 between shell 1 and the stator core 6.

In this embodiment: the heat dissipation mechanism 7 comprises a water inlet and a water outlet which are arranged on two sides of the shell 1, the water inlet is communicated with a water inlet pipe 71, the water outlet is communicated with a water outlet pipe 72, a cooling cavity 73 is formed at the joint of the shell 1 and the stator core 6, cooling liquid is injected into the cooling cavity 73, and the water inlet pipe 71 and the water outlet pipe 72 are communicated with the cooling cavity 73.

When in specific use: inside the coolant liquid flowed into cooling chamber 73 from inlet tube 71, coolant liquid flowed through stator core 6's outer wall, took away the heat that stator core 6 produced, and the coolant liquid absorbs the heat after through outlet pipe 72 outside to flow, realize that coolant liquid circulation flows and dispels the heat to stator core 6, replaced traditional simple forced air cooling heat dissipation, improved radiating efficiency.

In this embodiment: the inner wall of the stator core 6 is fixedly connected with stator windings 8, the stator windings 8 are provided with a plurality of groups, a cavity 9 is formed between every two adjacent stator windings 8, and the inner walls of the stator core 6 and the stator windings 8 are coated with heat absorption coatings.

When in specific use: the cavities 9 formed between the stator windings 8 allow heat to be dissipated and the heat absorption coating applied to the inner walls of the stator core 6 and the stator windings 8 allows more heat to be absorbed.

In this embodiment: radiating hole 81 has been seted up to stator winding 8's inside, and radiating hole 81's inside fixedly connected with conducting strip 82, conducting strip 82 are the aluminium material.

When in specific use: the inside louvre 81 of seting up of stator winding 8 will absorb the heat that solenoid produced, through the inside conducting strip 82 of louvre 81 with the quick conduction of heat to stator core 6 inner wall, the thermal conducting strip 82 of aluminium matter can accelerate thermal transmission, is convenient for dispel the heat fast to the heat of accumulation.

In this embodiment: the joint of the cooling cavity 73, the shell 1 and the stator core 6 is provided with a waterproof sealing ring 10.

When in specific use: the waterproof sealing ring 10 has better waterproof sealing effect between the shell 1 and the stator core 6, prevents the leakage of the cooling liquid and avoids the reduction of the heat dissipation efficiency caused by the leakage of the cooling liquid.

The working principle is as follows: the heat absorption coating that stator core 6 and stator winding 8 surface scribbled is convenient for carry out quick absorption to the heat that produces in the operation process, and stator winding 8 inside conducting strip 82 accelerates thermal conduction, takes away the heat that stator core 6 absorbed through the circulation of stator core 6 outer wall coolant liquid, plays the efficient radiating effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a high heat dissipation type PMSM stator, includes shell (1), its characterized in that: the utility model discloses a motor stator, including shell (1), one side fixed mounting has wiring port (2), the fixed surface of shell (1) is connected with a plurality of fin (3), the bottom fixedly connected with mount pad (4) of shell (1), mounting hole (5) have been seted up on the surface of mount pad (4), the inside of shell (1) is inlayed and is equipped with stator core (6), be equipped with heat dissipation mechanism (7) between shell (1) and stator core (6).

2. The high heat dissipation type permanent magnet synchronous motor stator according to claim 1, characterized in that: heat dissipation mechanism (7) are including seting up water inlet and the delivery port in shell (1) both sides, the inside intercommunication of water inlet has inlet tube (71), the inside intercommunication of delivery port has outlet pipe (72), shell (1) and stator core (6) junction form cooling chamber (73), the inside notes of cooling chamber (73) have the coolant liquid, inlet tube (71) and outlet pipe (72) and cooling chamber (73) intercommunication.

3. The high heat dissipation type permanent magnet synchronous motor stator according to claim 1, characterized in that: the inner wall fixedly connected with stator winding (8) of stator core (6), stator winding (8) are equipped with a plurality of groups and form cavity (9) between adjacent stator winding (8), stator core (6) and stator winding (8) inner wall all are scribbled heat absorption coating.

4. The high heat dissipation type permanent magnet synchronous motor stator according to claim 3, wherein: heat dissipation hole (81) have been seted up to stator winding (8) inside, the inside fixedly connected with conducting strip (82) of heat dissipation hole (81), conducting strip (82) are the aluminium material.

5. The high heat dissipation type permanent magnet synchronous motor stator according to claim 2, characterized in that: and a waterproof sealing ring (10) is arranged at the joint of the cooling cavity (73) and the shell (1) and the stator core (6).