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A compact large-capacity stand

A large-capacity, compact technology, applied in the direction of electromechanical devices, casings/covers/supports, electrical components, etc., can solve the problems of reducing the heat transfer area between the iron core and the casing, using a lot of materials, and being easily deformed, so as to increase the effective The effect of large heat transfer area, large effective heat transfer area and strong deformation resistance

Inactive Publication Date: 2011-12-14
WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The heat sink design of the traditional motor base adopts the method of equal distance, equal height, and equal length, without considering the influence of the change of the motor structure on the cooling uniformity; moreover, the traditional external air ducts are all square structures, parallel to the machine barrel Design, although the ventilation area can be guaranteed, but the heat transfer area between the core and the casing is reduced, which affects the main heat dissipation channel; the outer air duct is designed parallel to the machine barrel, and the pressure gradient loss generated during the air volume transmission process is not considered.
In addition, the traditional design of the end of the machine base adopts the welding structure idea of ​​the vertical connection between the large end ring and the machine barrel, which uses more materials, poor rigidity, and is easy to deform

Method used

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  • A compact large-capacity stand
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  • A compact large-capacity stand

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment one: see figure 1 , figure 2 , image 3 . The compact large-capacity machine base of the present invention includes a machine barrel 1 and a heat sink 2 with an integrated casting structure of the machine barrel. The heat sinks are four groups, which are evenly distributed along the circumference of the machine barrel, and the four corners of the machine barrel are adjacent to each group of heat sinks The outer air duct 6 and the inner air duct 8 are arranged correspondingly, and each group of cooling fins 2 adopts a gradual changing structure with gradually changing spacing, gradually changing height, and gradually changing length, and each group of cooling fins separated by the outer air duct and the inner and inner air ducts from The height from the middle one to the two sides increases sequentially, the distance between two adjacent cooling fins in each group of cooling fins increases sequentially, and the length of each cooling fin increases sequentia...

Embodiment 2

[0020] Embodiment two: see figure 1 , figure 2 , image 3 . The compact large-capacity base of this embodiment differs from the first embodiment in that the outer air duct 6 adopts a wedge-shaped structure, and the ribs at the ends are distributed in a waisted shape. The end of the machine base adopts a small end ring (compared to the larger end ring of the traditional machine base) and is obliquely connected with the machine barrel 1 at an obtuse angle to form a cast box structure, and an annular rib 5 is added at the end.

Embodiment 3

[0021] Embodiment three: see figure 1 , figure 2 , image 3 . The compact large-capacity base of this embodiment differs from the first or second embodiment in that the inner air duct 8 adopts a "T"-shaped hollow structure, and the inner air duct opening 13 at the end of the machine barrel is funnel-shaped.

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Abstract

The invention relates to a heat dissipation structure of a compact large-capacity machine base. A compact large-capacity machine base, which is integrally cast with the machine barrel and provided with four sets of heat sinks. The four corners of the machine barrel are adjacent to each set of heat sinks. The fins (2) adopt a gradual change structure with gradually changing pitch, gradually changing height, and gradually changing length. The distance between the two cooling fins increases sequentially, and the length of each cooling fin increases sequentially. The compact and large-capacity machine base of the present invention adopts the gradually changing heat sink design, which makes the appearance of the motor more compact than the traditional equidistant circular radiation type heat sink in terms of appearance, casting process, ventilation and heat dissipation, and at the same time, because the design is more in line with The principle of ventilation and heat dissipation increases the power density per unit volume of the motor, so that the capacity of the motor can be made larger.

Description

technical field [0001] The invention relates to a machine base, in particular to a heat dissipation structure of a compact large-capacity machine base. Background technique [0002] The heat sink design of the traditional motor base adopts the method of equal distance, equal height, and equal length, without considering the influence of the change of the motor structure on the cooling uniformity; moreover, the traditional external air ducts are all square structures, parallel to the machine barrel Design, although the ventilation area can be guaranteed, but the heat transfer area between the core and the casing is reduced, which affects the main heat dissipation channel; the external air duct is designed parallel to the machine barrel, and the pressure gradient loss generated during the air volume transmission process is not considered. In addition, the traditional design of machine base adopts the idea of ​​welded structure in which the large end ring is vertically connecte...

Claims

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Application Information

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IPC IPC(8): H02K5/18H02K5/20
Inventor 吴宣东赵岩田儒彰陈中洋姚金艳王宛丽
Owner WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GRP CO LTD