CN213879403U

CN213879403U - Stator cooling structure of high-speed motor

Info

Publication number: CN213879403U
Application number: CN202121464420.7U
Authority: CN
Inventors: 吴楠
Original assignee: Tianjin Yuanke Technology Development Co ltd
Current assignee: Tianjin Yuanke Technology Development Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-08-03
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a high-speed motor's stator cooling structure, including casing and inside stator core, a ventilating board, No. two ventilating boards and cold water pipe, stator core one end outer wall is fixed cup joints a ventilating board, and the other end outer wall is fixed cup joints No. two ventilating boards, and a ventilating board, No. two ventilating board outer walls are fixed cup joints respectively to the casing inner wall, are equipped with the cold water pipe between a ventilating board and the stator core, and the cold water pipe both ends are fixed respectively to communicate to the casing. A high-speed motor's stator cooling structure simple structure, reasonable in design, No. one of which ventilating board, No. two ventilating boards design in a flexible way changeable, can cool off stator and rotor simultaneously by a way wind, also can be wind cooling stator all the way alone to greatly increased high-speed motor's stator heat dispersion, improved high-speed motor's security.

Description

Stator cooling structure of high-speed motor

Technical Field

The utility model belongs to the technical field of electrical equipment, especially, relate to a stator cooling structure of high-speed motor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. Its main function is to generate driving torque as power source for electric appliances and various machines. The motor can send a large amount of heats in actual operation, this heat if can not in time disperse, will lead to motor winding to damage, and high-speed motor is because its power is big small, heat radiating area is little, therefore, the heat dissipation of motor is a key problem, the motor is usually through the heat dissipation of forced air cooling's form to the rotor, and the stator dispels the heat through the heat dissipation muscle, the radiating effect is limited, among the prior art, in having conventional empty water-cooling structure, can only dispel the heat to winding stator core outside usually, the one way wind heat dissipation promptly, winding stator core is inside can't dispel the heat fast, and the structure is complicated, thereby the heat dissipation inequality makes the motor overheated, the motor is overheated then can lead to a series of operation safety problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a stator cooling structure of high-speed electric machine to can only dispel the heat to stator core one-way wind among the solution prior art, radiating efficiency is low, the structure is complicated and the operation is unsafe problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a stator cooling structure of a high-speed motor comprises a shell and a stator core, a first ventilating plate, a second ventilating plate and a cold water pipe which are arranged inside the shell, wherein the stator core is of a hollow cylindrical structure, the outer wall of one end of the stator core is fixedly sleeved with the first ventilating plate, the outer wall of the other end of the stator core is fixedly sleeved with the second ventilating plate, the outer walls of the first ventilating plate and the second ventilating plate are respectively fixedly sleeved and connected to the inner wall of the shell, the cold water pipe is arranged between the first ventilating plate and the stator core, the cold water pipe is of a U-shaped structure, and two ends of the cold water pipe are respectively and fixedly communicated to the shell;

the first ventilating plate is of a hollow cylindrical structure and comprises a plurality of ventilating sections and fixing sections which are integrally formed, the ventilating sections and the fixing sections are arranged in a staggered mode, and the distance from the ventilating sections to the axis is larger than the distance from the fixing sections to the axis;

no. two ventilating boards are hollow cylindrical structures, and No. two ventilating boards are used for the inside ventilation of stator core, and sealed the setting between No. two ventilating boards and stator core (2).

Further, the casing includes casing body, and casing body is the hollow circular cylinder structure, and casing body outer wall axial is seted up an air intake, a bolt hole, No. two air intakes, inlet opening, No. two bolt holes, apopore and air outlet from a right side to a left side in proper order, and an air intake, No. two air intakes are fixed an outside fan of intercommunication respectively, and inlet opening, apopore communicate with cold water pipe both ends are fixed respectively, and a bolt hole is used for the ventilating board of No. two of fixed connection, and No. two bolt holes are used for the ventilating board of a fixed connection.

Further, the fixed section is of an arc-shaped structure, the radian angle of the fixed section is a, and the angle range of the a is 30-60 degrees.

Compared with the prior art, the stator cooling structure of high-speed motor has the following advantages:

(1) a high-speed motor's stator cooling structure, simple structure, reasonable in design, No. one of which ventilating board, No. two ventilating boards design in a flexible way changeable, can cool off stator and rotor simultaneously by a way wind, also can be wind cooling stator all the way alone to greatly increased high-speed motor's stator heat dispersion, improved high-speed motor's security, with low costs moreover, economical and practical.

(2) A high-speed motor's stator cooling structure, No. one of which ventilating board can carry out dual cooling to the stator core outside to ventilating board, cold water pipe can be to the inside quick cooling of stator core to improve stator core cooling rate, reach quick refrigerated purpose, improved this stator cooling structure's practicality, easily promote.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a cross-sectional view of an overall structure of a stator cooling structure of a high-speed motor according to an embodiment of the present invention;

fig. 2 is a sectional view of a stator cooling structure casing of a high-speed electric machine according to an embodiment of the present invention;

fig. 3 is a top view of a stator cooling structure casing of a high-speed electric machine according to an embodiment of the present invention;

fig. 4 is a top view of a first ventilating plate of a stator cooling structure of a high-speed motor according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a first ventilating plate of a stator cooling structure of a high-speed motor according to an embodiment of the present invention;

fig. 6 is a top view of a second ventilating plate of a stator cooling structure of a high-speed motor according to an embodiment of the present invention;

fig. 7 is a sectional view of a second ventilating board of a stator cooling structure of a high-speed motor according to an embodiment of the present invention.

Description of reference numerals:

1. a housing; 11. a housing body; 111. a first air inlet; 112. a first bolt hole; 113. a second air inlet; 114. a water inlet hole; 115. a second bolt hole; 116. a water outlet hole; 117. an air outlet; 2. a stator core; 3. a first ventilating plate; 31. a ventilation section; 32. a fixed section; 4. a second ventilation board; 5. a cold water pipe.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 7, a stator cooling structure of a high-speed motor includes a housing 1 and a stator core 2, a first ventilating plate 3, a second ventilating plate 4 and a cold water pipe 5 inside the housing, the stator core 2 is a hollow cylindrical structure, the first ventilating plate 3 is fixedly sleeved on the outer wall of one end of the stator core 2, the second ventilating plate 4 is fixedly sleeved on the outer wall of the other end of the stator core 2, the outer walls of the first ventilating plate 3 and the second ventilating plate 4 are respectively fixedly sleeved on the inner wall of the housing 1, the cold water pipe 5 is arranged between the first ventilating plate 3 and the stator core 2, the cold water pipe 5 is a U-shaped structure, the two ends of the cold water pipe 5 are respectively and fixedly communicated to the housing 1, when the stator is actually used, a worker can communicate the cold water pipe 5 with an external cold water pump, so as to cool the outside of the stator core 2, the stator cooling structure of the high-speed motor is simple, the design is reasonable, and the first ventilating plate is one of the stator core 2, The second ventilating plate is flexible and changeable in design, the stator and the rotor can be cooled by one path of wind simultaneously, and the stator can also be cooled by one path of wind independently, so that the heat dissipation performance of the stator of the high-speed motor is greatly increased.

The casing 1 includes a casing body 11, the casing body 11 is a hollow cylindrical structure, a first air inlet 111, a first bolt hole 112, a second air inlet 113, a water inlet 114, a second bolt hole 115, a water outlet 116 and an air outlet 117 are sequentially formed in an outer wall of the casing body 11 from right to left in an axial direction, the first air inlet 111 and the second air inlet 113 are respectively and fixedly communicated with an external fan, the water inlet 114 and the water outlet 116 are respectively and fixedly communicated with two ends of a cold water pipe 5, the first bolt hole 112 is used for fixedly connecting a second ventilating plate 4, the second bolt hole 115 is used for fixedly connecting a first ventilating plate 3, when the air conditioner is actually used, the number of the first air inlet 111, the first bolt hole 112, the second air inlet 113, the water inlet 114, the second bolt hole 115, the water outlet 116 and the air outlet 117 can be multiple, in this embodiment, the number of the first air inlet 111, the first bolt hole 112, the second air inlet 113 can be multiple, Inlet opening 114, No. two bolt holes 115, apopore 116 and air outlet 117's quantity is 3, the staff passes through bolt hole 112 with the bolt, thereby make casing body 11 and No. two ventilating board 4 fixed connection together, pass through No. two bolt holes 115 with the bolt, thereby make casing body 11 and No. one ventilating board 3 fixed connection together, No. one air intake 111 is used for 2 inside ventilations of stator core, No. two air intakes 113 are in 2 outside ventilations of stator core, the outside cold water pump of inlet opening 114 external fixation intercommunication, outside cold water pump can supply water for cold water pipe 5 through inlet opening 114, cold water pipe 5 can cool off 2 outsides of stator core, thereby reach quick refrigerated purpose.

The first ventilating plate 3 is of a hollow cylindrical structure, the first ventilating plate 3 comprises a plurality of ventilating sections 31 and fixing sections 32 which are integrally formed, the ventilating sections 31 and the fixing sections 32 are arranged in a staggered mode, the distance from the ventilating sections 31 to the axis is larger than the distance from the fixing sections 32 to the axis, the first ventilating plate 3 can fix the stator core 2 and can realize external ventilation of the stator core 2, the ventilating sections 31 are used for external ventilation of the stator core 2, gaps exist between the ventilating sections 31 and the stator core 2, gaps do not exist between the fixing sections 32 and the stator core 2, the fixing sections 32 are used for being welded with the stator core 2, therefore, wind coming from the second air inlet 113 flows to the air outlet 117 through the ventilating sections 31, as shown in figure 1, the section B designates an external ventilation route of the stator core 2, the wind direction flowing path of the section B is the second air inlet 113-the external-air outlet 117 of the stator core 2, in the present embodiment, the number of the ventilation sections 31 and the fixing sections 32 is 3.

The fixed segment 32 is arc surface structure, and the radian angle of fixed segment 32 is a, and the angle range of a is 30 to 60, and through the experiment, the radian angle of fixed segment 32 is less than 30 and can lead to the welding insecure, and the first ventilating board 3 easily drops, and in this embodiment, the radian angle of fixed segment 32 is 38.

No. two ventilating boards 4 are hollow cylindrical structures, No. two ventilating boards 4 are used for the inside ventilation of stator core 2, and do not have the clearance between No. two ventilating boards 4 and stator core 2, as shown in fig. 1, the inside ventilation route of sub-core 2 is appointed to the a line segment, and the wind direction of the a line segment flows through the route and is air intake 111-the inside of stator core 2-air outlet 117.

An installation process of a stator cooling structure of a high-speed motor:

during actual installation, a worker manually welds the stator core 2 and the second ventilating plate 4 into a whole, welds the stator core 2 and the fixing section 32 of the first ventilating plate 3 into a whole, and then inserts bolts into the first bolt holes 112, so that the case body 11 and the second ventilating plate 4 are fixed together, and inserts the bolts into the second bolt holes 115, so that the case body 11 and the first ventilating plate 3 are fixed together;

when the stator of the high-speed motor is cooled, the worker manually starts the external fan of the first air inlet 111 and the second air inlet 113 and the external cold water pump of the water inlet hole 114, so that the inside and the outside of the stator core 2 are ventilated and cooled, and the outside of the stator core 2 is cooled by water, so that the purpose of rapid cooling is achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stator cooling structure of a high-speed motor is characterized in that: the cooling water pipe cooling device comprises a machine shell (1) and a stator iron core (2), a first ventilating plate (3), a second ventilating plate (4) and a cooling water pipe (5) which are arranged inside the machine shell, wherein the stator iron core (2) is of a hollow cylindrical structure, the first ventilating plate (3) is fixedly sleeved on the outer wall of one end of the stator iron core (2), the second ventilating plate (4) is fixedly sleeved on the outer wall of the other end of the stator iron core (2), the outer walls of the first ventilating plate (3) and the second ventilating plate (4) are fixedly sleeved on the inner wall of the machine shell (1) respectively, the cooling water pipe (5) is arranged between the first ventilating plate (3) and the stator iron core (2), the cooling water pipe (5) is of a U-shaped structure, and two ends of the cooling water pipe (5) are fixedly communicated to the machine shell (1) respectively;

the first ventilating plate (3) is of a hollow cylindrical structure, the first ventilating plate (3) comprises a plurality of ventilating sections (31) and fixing sections (32) which are integrally formed, the ventilating sections (31) and the fixing sections (32) are arranged in a staggered mode, and the distance from the ventilating sections (31) to the axis is larger than the distance from the fixing sections (32) to the axis;

no. two ventilating board (4) are the hollow circular cylinder structure, and No. two ventilating board (4) are used for stator core (2) inside to ventilate, and sealed the setting between No. two ventilating board (4) and stator core (2).

2. The stator cooling structure of a high-speed motor according to claim 1, wherein: casing (1) includes casing body (11), casing body (11) are the hollow circular cylinder structure, casing body (11) outer wall axial from the right side to left sets gradually an air intake (111), a bolt hole (112), No. two air intakes (113), inlet opening (114), No. two bolt holes (115), apopore (116) and air outlet (117), an air intake (111), an outside fan of fixed intercommunication respectively in No. two air intakes (113), inlet opening (114), apopore (116) respectively with cold water pipe (5) both ends fixed intercommunication, No. one bolt hole (112) are used for No. two ventilating boards of fixed connection (4), No. two bolt holes (115) are used for a ventilating board of fixed connection (3).

3. The stator cooling structure of a high-speed motor according to claim 1, wherein: the fixed section (32) is of an arc surface structure, the radian angle of the fixed section (32) is a, and the angle range of the a is 30-60 degrees.