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Motor body having stator cooling structure and motor

A technology of cooling structure and motor body, applied in cooling/ventilation device, magnetic circuit shape/pattern/structure, electrical components, etc., can solve the problem of difficulty in meeting cooling requirements, and achieve the effect of satisfying cooling requirements

Inactive Publication Date: 2019-08-02
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for large motors with high power, the cooling methods of radial ventilation and mixed axial and radial ventilation are difficult to meet the actual cooling needs

Method used

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  • Motor body having stator cooling structure and motor
  • Motor body having stator cooling structure and motor
  • Motor body having stator cooling structure and motor

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] In order to make the purpose, technical solution and advantages of the present invention clearer, the following examples are given to further describe the present invention in detail.

[0050] figure 1 It is a three-dimensional schematic diagram of a motor according to an embodiment of the present invention, figure 2 for figure 1 The top view of the motor body with the stator cooling structure of the motor shown, image 3 for figure 2 The perspective view of the motor body with stator cooling structure is shown; see Figure 1 to Figure 3 , The motor 100 of this embodiment includes a motor body 10 with a stator cooling structure and a cooling wind cover 20 , and the cooling wind cover 20 is disposed on the motor body 10 .

[0051] Figure 4 for figure 2 The schematic cross-section of the motor body with stator cooling structure is shown; please also refer to Figure 4 The motor body 10 with a stator cooling structure includes a housing 11 , a stator core 12 , a...

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PUM

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Abstract

The invention provides a motor body having a stator cooling structure and a motor. The motor body having the stator cooling structure includes a casing, a stator core, an air cylinder, an air inlet cover and an air outlet cover, wherein the casing is provided with an air inlet and an air outlet, the stator core is arranged in the casing and is inserted with multiple axial vent pipes, the air cylinder has a first end and a second end opposite to the first end, the first end is communicated with a cooling cover of the motor, the air inlet cover is arranged at one end of the stator core, the second end of the air cylinder is communicated with the air inlet cover and the axial vent pipes through the air inlet, and the air outlet cover is arranged at the other end of the stator core and is further communicated with the axial vent pipes and the air outlet. The motor body is advantaged in that effective cooling of the stator core can be achieved.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a motor body with a stator cooling structure and a motor with the motor body. Background technique [0002] With the continuous improvement of efficiency level, the power density of large motors is getting higher and higher, and the cooling problem of motors has become an important topic. Air-to-air cooling is a popular form of cooling large motors due to its simplicity and low cost. [0003] In the prior art, the motor generally adopts traditional cooling methods such as radial ventilation and shaft-radial mixed ventilation. channel, stator radial air channel, then flows through the inner fan and enters the cooling air cover again, and so on. However, for large motors with high power, the cooling methods of radial ventilation and mixed axial and radial ventilation are difficult to meet actual cooling requirements. Contents of the invention [0004] In view of this, the purpo...

Claims

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Application Information

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IPC IPC(8): H02K9/12H02K1/20H02K5/20
CPCH02K1/20H02K5/20H02K9/12
Inventor 姜志伟
Owner SIEMENS AG