CN107017735A - A kind of special interior cooling motor of screw air compressor - Google Patents
A kind of special interior cooling motor of screw air compressor Download PDFInfo
- Publication number
- CN107017735A CN107017735A CN201710472934.9A CN201710472934A CN107017735A CN 107017735 A CN107017735 A CN 107017735A CN 201710472934 A CN201710472934 A CN 201710472934A CN 107017735 A CN107017735 A CN 107017735A
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- Prior art keywords
- motor
- end cover
- rotor
- cooling
- stator
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- 238000001816 cooling Methods 0.000 title claims abstract description 82
- 230000005611 electricity Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention relates to a kind of special interior cooling motor of screw air compressor, including motor front end cover（1）, motor front end cover wind deflector（4）, electric machine casing（8）, motor stator（23）, rotor（5）, back end cover for motor（10）, back end cover for motor wind deflector（12）.Described motor front end cover（1）With motor front end cover wind deflector（4）It is connected, in motor front end cover（1）On be provided with motor front end cover air inlet（14）With motor front end cover air outlet（15）, described electric machine casing（8）On be provided with electric machine casing wind guide tank（9）, described rotor（5）On be provided with the forward and backward cooling wind blade of rotor（6）With（7）, described back end cover for motor（10）With back end cover for motor wind deflector（12）It is connected, and is provided with back end cover for motor air inlet（13）.Rotor is rotated, in the presence of cooling wind blade before and after rotor, realizes the high efficiency and heat radiation to outer and stator outer motor in the coil of stator both ends.
Description
Technical field
The present invention relates to a kind of special interior cooling motor of screw air compressor.
Background technology
Interior cooling motor cooling effectiveness is high, and effect is good, and small volume simple in construction, manufacturing cost is low, is often used in environment
Preferable occasion, it is low in the pollution of the environment because motor is arranged in casing using relatively broad on screw air compressor.China shows
There is the interior cooling motor used on screw air compressor there are two kinds of forms：One is the rear end cap end under the centrifugal action of rotor fan blade
Face enters cooling air in the presence of wind deflector, along the wind guide tank of motor internal, goes out from motor front end cover end face air-guiding hole,
Realize the cooling to motor stator and coil；Two be that cooling wind enters from the front and rear cover end-face hole of motor, respectively in front and rear wind-guiding
In the presence of plate, gone out by wind guide tank from exhaust outlet in the middle part of motor case, realize the cooling to motor stator and coil.Scheme
One, small volume is simple to manufacture, manufacturing cost is low, but can not realize to the strong cooling on the inside of the coil-end of stator leading section, cooling effect
Fruit can reach the strong cooling realized to end turn before and after stator periphery and stator, but electric machine casing not as good as scheme two, scheme two
Manufacturing process is complicated, and motor entirety manufacturing cost is high and structure corresponding scheme one is complicated, and volume is big.
The content of the invention
In view of the deficiencies in the prior art, it is an object of the invention to provide a kind of small volume, it is simple to manufacture that cost is low, cooling
A kind of special interior cooling motor of the good screw air compressor of effect.
To achieve these goals, the solution of the present invention is：A kind of special interior cooling motor of screw air compressor, including：Electricity
Machine drive end bearing bracket 1；Motor front end cover bearing 3；Motor front end cover wind deflector 4；Motor front end cover wind deflector fixing bolt 19；Before motor
End cap air inlet 14；Motor front end cover air outlet 15；Electric machine casing 8；Electric machine casing wind guide tank 9；Motor stator 23；Motor stator
Coil leading section 16；Coil of stator of motor rearward end 17；Rotor 5；Rotor axis of electric 2；Rotor end 22；Motor turns
Cooling wind blade 6 before sub；Cooling wind blade 7 after rotor；Motor front end cover fixing bolt 20；Back end cover for motor 10；Motor rear end
Lid bearing 11；Back end cover for motor air inlet 13；Back end cover for motor wind deflector 12；Back end cover for motor fixing bolt 21；Motor rear end
Lid wind deflector fixing bolt 18, described motor front end cover 1 is connected by motor front end cover fixing bolt 20 with electric machine casing 8
Connect, described motor front end cover wind deflector 4 is connected by motor front end cover wind deflector fixing bolt 19 with motor front end cover 1,
Described motor front end cover air inlet 14 and motor front end cover air outlet 15 is separately positioned on motor front end cover end face, described electricity
Machine Front Cover Bearing 3 is arranged in motor front end cover bearing chamber, and the described inner side of electric machine casing 8 is provided with a plurality of electric machine casing wind-guiding
Groove 9, described motor stator 23 is arranged on the inner side of electric machine casing 8, its outer ring and the formation cooling wind radiating of electric machine casing wind guide tank 9
Wind guide tank, described motor stator coil end portion is respectively coil of stator of motor leading section 16 and coil of stator of motor rearward end
17, it is to be formed by the coil combination for being embedded in stator interior, described rotor 5 is arranged on inside motor stator, described
Rotor axis of electric 2 and motor rotor punching sheet endoporus are fixed, respectively with the He of motor front end cover bearing 3 being arranged on motor front end cover
It is arranged on the back end cover for motor bearing 11 that motor rear end covers to be connected, cooling wind blade 6 and motor turn before described rotor
Cooling wind blade 7 after son, are separately positioned on front and rear rotor end 22, and described back end cover for motor 10 is consolidated by back end cover for motor
Determine bolt 21 back end cover for motor 10 and electric machine casing 8 are connected, described back end cover for motor wind deflector 12 is by back end cover for motor
Wind deflector is fixed spiral shell select 18 and is connected with back end cover for motor 10.
Further, the monolithic sectional area of cooling wind blade 6 should be than cooling wind blade after rotor 7 before described rotor
Monolithic sectional area small five to percent percent 40, be more than the centrifugation blast after rotor produced by cooling wind blade 7
Centrifugal force before rotor produced by cooling wind blade 6.
Further, the end outer of cooling wind blade 6 and the end of motor front end cover wind deflector 4 before described rotor
The distance of outer is 0.5 to 9 millimeter, is flowed back with the short circuit for reducing pressure cooling wind.
Further, after described rotor cooling wind blade 7 end wind edge and the end of motor rear cover wind deflector 12
The distance of outer is 0.5 to 10 millimeter, is flowed back with the short circuit for reducing pressure cooling wind.
The main advantage of the present invention is：Motor front end cover wind deflector 4 is provided with motor front end cover 1, when rotor is rotated
Before rotor under the centrifugal action of cooling wind blade 6, cooling wind is entered by motor front end cover air inlet 14, along before rotor
Then the outer of cooling wind blade 6 tangentially directly cooled down to coil of stator of motor leading section 16 from motor front end cover air outlet 15
Go out, realize the cooling to motor stator.Simultaneously as the centrifugal force of the rotation of rotor cooling wind blade 7 after rotor
Under effect, cooling wind is entered by the back end cover for motor air inlet 13 of back end cover for motor 10, along rotor after cooling wind blade 7 it is outer
Along being gone out by electric machine casing wind guide tank 9 along motor front end cover air outlet 15, realize to coil of stator of motor rearward end 17 and stator
The cooling of iron core outer ring.Realized using the present invention outside strong cooling and stator periphery and the end to edge in motor stator rear ends
The direct cooling on edge, cooling air-flow is small in motor internal resistance, good cooling results, and small volume is simple to manufacture easy to process, cost
Low, electric efficiency is high.
Brief description of the drawings
Fig. 1 is a kind of special interior cooling electric machine structure figure of screw air compressor.
Embodiment
It is further elaborated with reference to accompanying drawing 1：Electrical power rotor is rotated, cooling wind blade 6 and electricity before rotor
After machine rotor under the centrifugal action of cooling wind blade 7, enter in the rear end cooling wind of motor from back end cover for motor air inlet 13, along electricity
The outer of cooling wind blade 7 is realized to being led thereafter through electric machine casing along strong cooling in coil of stator of motor rearward end 17 after machine rotor
Wind groove 9 goes out along motor front end cover air outlet 15 again, realizes outer and motor stator periphery to coil of stator of motor rear ends
Efficient cooling, before rotor under the centrifugal action of cooling wind blade 6, cooling wind entered by motor front end cover air inlet 14, edge
Cooling wind blade 6 before rotor it is outer tangentially in coil of stator of motor leading section 16 along realize strong cooling then from
Motor front end cover air outlet 15 goes out, so as to reach the purpose efficiently cooled down.
Claims (5)
1. a kind of special interior cooling motor of screw air compressor, including：Motor front end cover (1)；Motor front end cover bearing (3)；Motor
Drive end bearing bracket wind deflector (4)；Motor front end cover wind deflector fixing bolt (19)；Motor front end cover air inlet (14)；Motor front end cover
Air outlet (15)；Electric machine casing (8)；Electric machine casing wind guide tank (9)；Motor stator (23)；Coil of stator of motor leading section (16)；
Coil of stator of motor rearward end (17)；Rotor (5)；Rotor axis of electric (2)；Rotor end (22)；Before rotor
Cooling wind blade (6)；Cooling wind blade (7) after rotor；Motor front end cover fixing bolt (20)；Back end cover for motor (10)；Motor
Bearing of rear end cover (11)；Back end cover for motor air inlet (13)；Back end cover for motor wind deflector (12)；Back end cover for motor fixing bolt
(21)；Back end cover for motor wind deflector fixing bolt (18), it is characterised in that：Described motor front end cover (1) passes through motor front end
Lid fixing bolt (20) is connected with electric machine casing (8), and described motor front end cover wind deflector (4) passes through motor front end cover wind-guiding
Plate fixing bolt (19) is connected with motor front end cover (1), and described motor front end cover air inlet (14) and motor front end cover go out
Air port (15) is separately positioned on motor front end cover end face, and described front motor cover bearing (3) is arranged on motor front end cover bearing chamber
It is interior, a plurality of electric machine casing wind guide tank (9) is provided with the inside of described electric machine casing (8), described motor stator (23) is arranged on
On the inside of electric machine casing (8), its outer ring and electric machine casing wind guide tank (9) formation cooling wind radiating wind guide tank, described motor stator
End turn is respectively coil of stator of motor leading section (16) and coil of stator of motor rearward end (17), is by being embedded in stator
The coil combination in portion is formed, and described rotor (5) is arranged on inside motor stator, described rotor axis of electric (2) and electricity
Machine rotor punching endoporus is fixed, and respectively and the motor front end cover bearing (3) that is arranged on motor front end cover and is arranged on after motor
Back end cover for motor bearing (11) on end cap is connected, and is radiated before described rotor after cooling wind blade (6) and rotor
Fan blade (7), is separately positioned on front and rear rotor end (22), and described back end cover for motor (10) is fixed by back end cover for motor
Back end cover for motor (10) and electric machine casing (8) are connected by bolt (21), and described back end cover for motor wind deflector (12) is by motor
Rear end cap wind deflector is fixed spiral shell select (18) and is connected with back end cover for motor (10).
2. the special interior cooling motor of a kind of screw air compressor according to claim 1, it is characterised in that：Described motor turns
The monolithic sectional area of cooling wind blade (6) should be arrived than the monolithic sectional area small 5 percent of cooling wind blade after rotor (7) before sub
40 percent, the centrifugation blast produced by making cooling wind blade after rotor (7) is more than cooling wind blade (6) institute before rotor
The centrifugal force of generation.
3. the special interior cooling motor of a kind of screw air compressor according to claim 1, it is characterised in that：Described motor turns
The distance of the end outer of cooling wind blade (6) and the end outer of motor front end cover wind deflector (4) is 0.5 to 9 millimeter before sub, with
Reduce the short circuit backflow of pressure cooling wind.
4. the special interior cooling motor of a kind of screw air compressor according to claim 1, it is characterised in that：Described motor turns
The distance of the end wind edge of cooling wind blade (7) and the end outer of motor rear cover wind deflector (12) is 0.5 to 10 millimeter after son, with
Reduce the short circuit backflow of pressure cooling wind.
5. the special interior cooling motor of a kind of screw air compressor according to claim 1, its specific implementation method is：Motor leads to
Electric rotor is rotated, before rotor after cooling wind blade (6) and rotor under the centrifugal action of cooling wind blade (7), in motor
Rear end cooling wind enter from back end cover for motor air inlet (13), along rotor after cooling wind blade (7) outer realize to electricity
Machine stator coil rearward end (17) it is interior along cooling down thereafter through electric machine casing wind guide tank (9) again along motor front end cover air outlet by force
(15) go out, the efficient cooling to the outer and motor stator periphery of coil of stator of motor rear ends is realized, before rotor
Under the centrifugal action of cooling wind blade (6), cooling wind entered by motor front end cover air inlet (14), along rotor before cooling wind blade
(6) then outer tangentially realized to coil of stator of motor leading section (16) interior edge is cooled down by force from motor front end cover air outlet
(15) go out, so as to reach efficient cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472934.9A CN107017735A (en) | 2017-06-21 | 2017-06-21 | A kind of special interior cooling motor of screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472934.9A CN107017735A (en) | 2017-06-21 | 2017-06-21 | A kind of special interior cooling motor of screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107017735A true CN107017735A (en) | 2017-08-04 |
Family
ID=59452857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710472934.9A Pending CN107017735A (en) | 2017-06-21 | 2017-06-21 | A kind of special interior cooling motor of screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107017735A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919756A (en) * | 2017-12-28 | 2018-04-17 | 天津远科科技发展有限公司 | A kind of permanent magnet synchronous motor of high mechanical strength |
| CN108880105A (en) * | 2018-08-06 | 2018-11-23 | 奉化市微分电机有限公司 | A kind of low noise motor for treadmill |
| CN112636513A (en) * | 2020-12-09 | 2021-04-09 | 全南县超亚科技有限公司 | Novel motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2577496Y (en) * | 2002-10-22 | 2003-10-01 | 湖州德宏汽车电器系统有限公司 | Vehicular air-cooled generator |
| CN201393138Y (en) * | 2009-04-03 | 2010-01-27 | 中山大洋电机股份有限公司 | Take three-dimensional heat radiation structure's water pump motor |
| FR2947473A3 (en) * | 2009-07-01 | 2011-01-07 | Bach Pangho Chen | Heat dissipating structure for hermetically sealed machine-tool, has flow direction part for discharging thermal air flow towards exterior and directing external cooling air flow into axial flow space to form heat dissipation air flow |
| CN202210736U (en) * | 2011-09-20 | 2012-05-02 | 无锡东元电机有限公司 | Medium-high voltage induction motor |
| CN205389165U (en) * | 2015-12-17 | 2016-07-20 | 湖州巨宏电机有限公司 | Dust catcher DC Brushless motor |
-
2017
- 2017-06-21 CN CN201710472934.9A patent/CN107017735A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2577496Y (en) * | 2002-10-22 | 2003-10-01 | 湖州德宏汽车电器系统有限公司 | Vehicular air-cooled generator |
| CN201393138Y (en) * | 2009-04-03 | 2010-01-27 | 中山大洋电机股份有限公司 | Take three-dimensional heat radiation structure's water pump motor |
| FR2947473A3 (en) * | 2009-07-01 | 2011-01-07 | Bach Pangho Chen | Heat dissipating structure for hermetically sealed machine-tool, has flow direction part for discharging thermal air flow towards exterior and directing external cooling air flow into axial flow space to form heat dissipation air flow |
| CN202210736U (en) * | 2011-09-20 | 2012-05-02 | 无锡东元电机有限公司 | Medium-high voltage induction motor |
| CN205389165U (en) * | 2015-12-17 | 2016-07-20 | 湖州巨宏电机有限公司 | Dust catcher DC Brushless motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919756A (en) * | 2017-12-28 | 2018-04-17 | 天津远科科技发展有限公司 | A kind of permanent magnet synchronous motor of high mechanical strength |
| CN108880105A (en) * | 2018-08-06 | 2018-11-23 | 奉化市微分电机有限公司 | A kind of low noise motor for treadmill |
| CN112636513A (en) * | 2020-12-09 | 2021-04-09 | 全南县超亚科技有限公司 | Novel motor |
| CN112636513B (en) * | 2020-12-09 | 2022-05-24 | 全南县超亚科技有限公司 | Novel motor |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170804 |
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| WD01 | Invention patent application deemed withdrawn after publication |