CN101865153A - Fan shell of motor - Google Patents
Fan shell of motor Download PDFInfo
- Publication number
- CN101865153A CN101865153A CN200910030972A CN200910030972A CN101865153A CN 101865153 A CN101865153 A CN 101865153A CN 200910030972 A CN200910030972 A CN 200910030972A CN 200910030972 A CN200910030972 A CN 200910030972A CN 101865153 A CN101865153 A CN 101865153A
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- China
- Prior art keywords
- motor
- end shield
- wind
- fan housing
- fan cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a fan shell of a high/low voltage compact medium-sized motor, in particular to a motor fan cover. The fan shell of the motor mainly comprises a wind suction nozzle and an end shield window, wherein the wind suction nozzle and the end shield window are installed on one end shield by fastening screws and spring washers, an air inlet is arranged on the end shield window, the end shield comprises a tubular fan cover ring, a right end plate in a circular ring shape is fixedly installed at the right end of an inner hole of the fan cover ring through a supporting ring in a cone shape, and a lifting lug and a mounting hole are arranged on the fan cover ring. The invention can reduce the wind resistance and is convenient to effectively intake air; meanwhile, the cooled air of the fan cover is effectively and uniformly introduced into radiating fins of the motor, thereby improving the effective air quantity and wind pressure and reducing the temperature rise of the motor. In the invention, the structure is simple and practical, the welding deformation is small, the appearance is good-looking, and the investment cost of moulds is reduced in comparison with the structure of a normal motor fan cover.
Description
Technical field
The present invention relates to a kind of fan housing that is used for high low pressure compact type middle size motor, especially a kind of motor fan housing.
Background technique
At present, with Siemens 1LA1,1LL1 series and the HXR of ABB AB series is the full radiating fin medium-sized high-pressure electrical machinery of a new generation of representative, no matter be on the appearance and modeling or the ride quality aspect, its level all is much higher than homemade YKK series medium-sized high pressure threephase asynchronous.Manufacture and design original, fan housing adopts glass fibre reinforced plastics folder steel wire, and profile is rough, and cost is bigger.And original welded-steel plate construction, the fan housing window is very easily thrown with fan housing mutually because of welding deformation causes fan.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, thereby a kind of fan housing of motor is provided, can reduce windage, be convenient to effective air intake, improve effective wind rate and blast, and can reduce the temperature rise of motor.
According to technological scheme provided by the invention, described motor fan housing, comprise air draught mouth and the end shield window installed by fastening screw trip bolt and spring washer on the end shield, has inlet hole on the end shield window, described end shield comprises the fan housing circle of tubulose, be installed with circular right end plate at fan housing circle endoporus right-hand member by cone shape bracing ring, on the fan housing circle, be provided with hanger and mounting hole.
Described air draught mouth right-to-left internal diameter shrinks gradually.And described air draught mouth comprises give vent to anger straight tube and the wind-guiding conical tube formation that is positioned at left end, wind-guiding conical tube right-to-left internal diameter shrinks gradually, wind-guiding conical tube left part is connected with the straight tube right part of giving vent to anger, have outwardly directed flange in wind-guiding conical tube right part, on flange, offer some bolts hole.
The present invention is used to install the motor external fan, can reduce windage, is convenient to effective air intake.Simultaneously the cooling air of fan housing is introduced between the radiating fin of motor effectively and uniformly, reduced windage, improved effective wind rate and blast, reduced the temperature rise of motor.This is simple and practical, welding deformation is little, and beautiful shape, and fan housing structure of motor commonly used has reduced the mould input cost.
Description of drawings
Fig. 1 is a plan view of the present invention.
Fig. 2 is a right elevation of the present invention.
Fig. 3 is the structural representation of another kind of air draught mouth among the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As Fig. 1～shown in Figure 2: the present invention mainly is made of end shield 1, fan housing circle 1a, bracing ring 1b, right end plate 1c, hanger 1d, mounting hole 1e, air draught mouth 2, the straight tube 2a that gives vent to anger, wind-guiding conical tube 2b, flange 2c, fastening screw trip bolt 3, spring washer 4 and end shield window 5 etc.
This motor fan housing, comprise the air draught mouth 2 and end shield window 5 installed by fastening screw trip bolt 3 and spring washer 4 on the end shield 1, has inlet hole on the end shield window 5, described end shield comprises the fan housing circle 1a of tubulose, be installed with circular right end plate 1c at fan housing circle 1a endoporus right-hand member by cone shape bracing ring 1b, on fan housing circle 1a, be provided with hanger 1d and mounting hole 1e.
Described air draught mouth 2 right-to-left internal diameters shrink gradually.And described air draught mouth 2 comprises give vent to anger straight tube 2a and the wind-guiding conical tube 2b formation that is positioned at left end, wind-guiding conical tube 2b right-to-left internal diameter shrinks gradually, wind-guiding conical tube 2b left part is connected with the straight tube 2a right part of giving vent to anger, have outwardly directed flange 2c in wind-guiding conical tube 2b right part, on flange 2c, offer some bolts hole.
The present invention is used to install the motor external fan, reduces windage, is convenient to effective air intake.Simultaneously the cooling air of fan housing is introduced between the radiating fin of motor effectively and uniformly, reduced windage, improved effective wind rate and blast, reduced the temperature rise of motor.This is simple and practical, welding deformation is little, and beautiful shape, and fan housing structure of motor commonly used has reduced the mould input cost.
Claims (2)
1. the fan housing of a motor, comprise air draught mouth (2) and end shield window (5) that end shield (1) is upward installed by fastening screw trip bolt (3) and spring washer (4), the end shield window has inlet hole on (5), it is characterized in that: described end shield comprises the fan housing circle (1a) of tubulose, be installed with circular right end plate (1c) at fan housing circle (1a) endoporus right-hand member by cone shape bracing ring (1b), on fan housing circle (1a), be provided with hanger (1d) and mounting hole (1e).
2. the fan housing of motor as claimed in claim 2, it is characterized in that: described air draught mouth (2) comprises that the straight tube of giving vent to anger (2a) that is positioned at left end constitutes with wind-guiding conical tube (2b), wind-guiding conical tube (2b) left part is connected with the straight tube of giving vent to anger (2a) right part, have outwardly directed flange (2c) in wind-guiding conical tube (2b) right part, on flange (2c), offer some bolts hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910030972A CN101865153A (en) | 2009-04-20 | 2009-04-20 | Fan shell of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910030972A CN101865153A (en) | 2009-04-20 | 2009-04-20 | Fan shell of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101865153A true CN101865153A (en) | 2010-10-20 |
Family
ID=42957018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910030972A Pending CN101865153A (en) | 2009-04-20 | 2009-04-20 | Fan shell of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101865153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624150A (en) * | 2012-04-25 | 2012-08-01 | 中国船舶重工集团公司第七0四研究所 | Low-noise totally-sealed internal cooling system for medium and small-sized motor |
| CN104659766A (en) * | 2015-03-16 | 2015-05-27 | 国家电网公司 | Protective relaying anti-misoperation method |
-
2009
- 2009-04-20 CN CN200910030972A patent/CN101865153A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624150A (en) * | 2012-04-25 | 2012-08-01 | 中国船舶重工集团公司第七0四研究所 | Low-noise totally-sealed internal cooling system for medium and small-sized motor |
| CN104659766A (en) * | 2015-03-16 | 2015-05-27 | 国家电网公司 | Protective relaying anti-misoperation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101020 |