CN208581127U - A kind of motor fan housing - Google Patents
A kind of motor fan housing Download PDFInfo
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- CN208581127U CN208581127U CN201821066547.1U CN201821066547U CN208581127U CN 208581127 U CN208581127 U CN 208581127U CN 201821066547 U CN201821066547 U CN 201821066547U CN 208581127 U CN208581127 U CN 208581127U
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- shell
- fan housing
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- fixed
- motor fan
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Abstract
The purpose of this utility model is to provide one kind can uniformly import and export air quantity, reduces air swirl, reduces windage, reduce the motor fan housing of noise；Including shell 1, air inlet 2, air guide ring 3, suspension hook 4, silencing cotton 5；The upper half left side wall of the shell 1 is arranged in the air inlet 2；One end of the air guide ring 3 is fixedly connected on the fixed connection place of the air inlet 2 and 1 top sidewall of shell；The suspension hook 4 is fixed on the outer surface of 1 top sidewall of shell；The silencing cotton 5 is fixed on the inner surface at 1 top of shell；The beneficial effects of the utility model are to save the material of motor fan housing, reduce company's motor cost；The heat exchange efficiency of motor greatly improved in the heat dissipation for improving motor, reduces air quantity requirement, reduces the mechanical loss of motor.
Description
Technical field
The utility model relates to motor field more particularly to a kind of motor fan housings.
Background technique
For the policy for responding national energy conservation and emission reduction, the efficiency of motor improves one after another in major electrical machinery plant, therewith improved efficiency electricity
Machine can generate a greater amount of heat in rotation, and motor temperature rise problem is caused to be badly in need of solving.Effective wind path structure of motor is to reduce
The important feature of motor temperature rise.Outer ventilation circuit two large divisions group of the wind path of motor by the interior wind path inside motor and outside motor
At.Outer ventilation circuit is made of fan, fan housing and base cooling fin.The fan housing of motor not only only to the protective effect of fan leaf, with
Anti- object is fallen in fan blade, it is often more important that the most important component of motor outer ventilation circuit.
Chinese utility model patent is disclosed, publication number: CN207166251U, patent name: a kind of motor fan housing, application
Day: 20170830, it discloses a kind of motor fan housings, are set at the rear end cap of motor, on the excircle of the rear end cap
Several lugs of cloth, the motor fan housing include fan housing cylinder, and round table-like pod is coaxially provided in fan housing cylinder, the pod
Bigger diameter end is connected with the front end of fan housing cylinder, and the miner diameter end of pod is connected with the rear end of fan housing cylinder, coaxially sets in pod
There is fan, and the rotation axis of the fan and motor shaft are coaxially connected, the front end outer side coaxial sleeve of the fan housing cylinder is equipped with flange
And the flange is fixedly connected with fan housing cylinder excircle, the front end face of flange is attached at the rear end face of the lug and flange and lug
It is coupled using seam allowance.The utility model can guarantee the concentricity of fan housing cylinder and fan, and vortex is avoided to generate, effectively promotion fan
Efficiency improves motor cooling capacity, reduces ventilation noise.
Currently, the fan efficiency of ventilated machine only has 0.6 or so.By researching and analysing domestic and international motor ventilation noise and wind
The correlation experience data for fanning design redesigns fan housing structure of motor, improves fan housing wind path structure, reduces motor temperature rise.I
Change fan housing aeration structure, change inlet and outlet inclination angle, increase air inlet wind-collecting space, more smoothly ventilation flow direction, makes to pass in and out
The air quantity equalization of mouth, reduces air-swirl, reduces windage, can more reduce ventilation noise.
Summary of the invention
The purpose of this utility model is to provide one kind can uniformly import and export air quantity, reduces air swirl, reduces windage,
Reduce the motor fan housing of noise.
The utility model provides a kind of motor fan housing, including shell 1, air inlet 2, air guide ring 3, suspension hook 4, silencing cotton 5；
The upper half left side wall of the shell 1 is arranged in the air inlet 2；One end of the air guide ring 3 is fixedly connected on
The fixed connection place of the air inlet 2 and 1 top sidewall of shell；The suspension hook 4 is fixed on 1 top sidewall of shell
Outer surface；The silencing cotton 5 is fixed on the inner surface at 1 top of shell.
Wind enters from the air inlet 2, is successively dissipated again by air outlet along the water conservancy diversion of the air guide ring 3 and silencing cotton 5
Out.
Preferably, the air inlet 2 is additionally provided with mesh enclosure 21；The material of the mesh enclosure 21 is stainless steel.
Preferably, the air guide ring 3 further includes arc section 31, extension 32；One end of the arc section 31 is fixedly connected
In the fixed connection place of the mesh enclosure 21 and 1 top sidewall of shell, the other end is connect with the extension 32；The extension
Section 32 is parallel with the top sidewall of the shell 1.
Preferably, the diameter of the arc section 31 is 368mm.
Preferably, the silencing cotton 5 further includes bending section 51, fixed section 52；One end of the bending section 51 is close to described
One end of extension 32, the other end are connect with the fixed section 52；The fixed section 52 is fixed on 1 top sidewall of shell
Inner surface.
Preferably, the angle of the bending section 51 and the fixed section 52 is 135 °.
Preferably, the spacing of the two sidewalls of the shell 1 is 580mm.
The beneficial effects of the utility model are to save the material of motor fan housing, save steel plate 30%, save silencing cotton
50%, reduce company's motor cost；The heat dissipation of motor is improved, motor temperature rise has dropped 6 DEG C, and noise has dropped 3 decibels；Substantially
The heat exchange efficiency of motor is improved, air quantity requirement is reduced, reduces the mechanical loss of motor.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that the utility model improves pre-structure schematic diagram；
1. shell, 2. air inlets, 21. mesh enclosures；3. air guide ring, 31. arc sections, 32. extensions；4. suspension hook；5. silencing cotton,
51. bending section, 52. fixed sections；6. airflow direction.
Specific embodiment
With reference to the accompanying drawing to this it is practical be described in detail, the description of this part be only it is exemplary and explanatory, do not answer
There is any restriction effect to the protection scope of the utility model.
The utility model provides a kind of motor fan housing, including shell 1, air inlet 2, air guide ring 3, suspension hook 4, silencing cotton 5；
As shown in Figure 1, the upper half left side wall of the shell 1 is arranged in the air inlet 2；One end of the air guide ring 3
It is fixedly connected on the fixed connection place of the air inlet 2 and 1 top sidewall of shell；The suspension hook 4 is fixed on the shell 1
The outer surface of top sidewall；The silencing cotton 5 is fixed on the inner surface at 1 top of shell.
Wind enters from the air inlet 2, is successively dissipated again by air outlet along the water conservancy diversion of the air guide ring 3 and silencing cotton 5
Out.
Preferred in the present embodiment, the air inlet 2 is additionally provided with mesh enclosure 21；The material of the mesh enclosure 21 is stainless steel.
Preferred in the present embodiment, the air guide ring 3 further includes arc section 31, extension 32；The one of the arc section 31
End is fixedly connected on the fixed connection place of the mesh enclosure 21 and 1 top sidewall of shell, and the other end and the extension 32 connect
It connects；The extension 32 is parallel with the top sidewall of the shell 1.
The extension 32 of the air guide ring 3 can go deep into inside shell 1, guarantee that wind direction is stablized, be not vortexed, reduce wind
Damage.
Preferred in the present embodiment, the diameter of the arc section 31 is 368mm.
The diameter of air guide ring 3 before improvement is 230mm, and improved 3 diameter of air guide ring is 368mm, enlarged diameter, wind
Mouth is big, then enters the wind more.
Preferred in the present embodiment, the silencing cotton 5 further includes bending section 51, fixed section 52；The one of the bending section 51
It holds close to one end of the extension 32, the other end is connect with the fixed section 52；The fixed section 52 is fixed on the shell 1
The inner surface of top sidewall.
As shown in Fig. 2, the silencing cotton 5 before improving is provided with multistage, multiple turning right angles are formed inside the shell 1,
The flowing of wind can generate vortex, meanwhile, windage loss is also big.
As shown in Figure 1, cancelling multiple right-angled bends after improving, the materials of silencing cotton 5 is made to reduce 50%, saves former material
Material；And the design of 51 chute of bending section, make more smoothly to flow to 1 inside of shell by the wind of 3 water conservancy diversion of air guide ring until outlet.
Preferred in the present embodiment, the angle of the bending section 51 and the fixed section 52 is 135 °.
This design can make wind flow smooth, not generate vortex.
Preferred in the present embodiment, the spacing of the two sidewalls of the shell 1 is 580mm.
As shown in Fig. 2, the width of the shell 1 before improving is 680mm, as shown in Figure 1, the width of improved shell 1 is
580mm enhances the structural strength of shell 1.
It should be noted that term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are only used for
Purpose is described, relative importance is not understood to indicate or imply.
Above-described the utility model embodiment, does not constitute the restriction to scope of protection of the utility model.It is any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (7)
1. a kind of motor fan housing, including shell (1), air inlet (2), air guide ring (3), suspension hook (4), silencing cotton (5)；
It is characterized in that,
Upper half left side wall of air inlet (2) setting in the shell (1)；One end of the air guide ring (3) is fixedly connected
In the fixed connection place of the air inlet (2) and the shell (1) top sidewall；The suspension hook (4) is fixed on the shell (1)
The outer surface of top sidewall；The silencing cotton (5) is fixed on the inner surface at the top of the shell (1).
2. a kind of motor fan housing according to claim 1, which is characterized in that the air inlet (2) is additionally provided with mesh enclosure
(21)；The material of the mesh enclosure (21) is stainless steel.
3. a kind of motor fan housing according to claim 2, which is characterized in that the air guide ring (3) further includes arc section
(31), extension (32)；One end of the arc section (31) is fixedly connected on the mesh enclosure (21) and the shell (1) top side
The fixed connection place of wall, the other end are connect with the extension (32)；The top side of the extension (32) and the shell (1)
Wall is parallel.
4. a kind of motor fan housing according to claim 3, which is characterized in that the diameter of the arc section (31) is 368mm.
5. a kind of motor fan housing according to claim 3, which is characterized in that the silencing cotton (5) further includes bending section
(51), fixed section (52)；One end of the bending section (51) is close to one end of the extension (32), the other end and the fixation
Section (52) connection；The fixed section (52) is fixed on the inner surface of the shell (1) top sidewall.
6. a kind of motor fan housing according to claim 5, which is characterized in that the bending section (51) and the fixed section
(52) angle is 135 °.
7. a kind of motor fan housing according to claim 1, which is characterized in that the spacing of the two sidewalls of the shell (1) is
580mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066547.1U CN208581127U (en) | 2018-07-05 | 2018-07-05 | A kind of motor fan housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066547.1U CN208581127U (en) | 2018-07-05 | 2018-07-05 | A kind of motor fan housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208581127U true CN208581127U (en) | 2019-03-05 |
Family
ID=65508606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821066547.1U Active CN208581127U (en) | 2018-07-05 | 2018-07-05 | A kind of motor fan housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208581127U (en) |
-
2018
- 2018-07-05 CN CN201821066547.1U patent/CN208581127U/en active Active
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