CN108683300A - A kind of high protection self-circulation air cooled electric generator - Google Patents
A kind of high protection self-circulation air cooled electric generator Download PDFInfo
- Publication number
- CN108683300A CN108683300A CN201810609974.8A CN201810609974A CN108683300A CN 108683300 A CN108683300 A CN 108683300A CN 201810609974 A CN201810609974 A CN 201810609974A CN 108683300 A CN108683300 A CN 108683300A
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- CN
- China
- Prior art keywords
- cooler
- generator
- rotor
- fan
- motor
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/18—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing
-
- 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
Abstract
The present invention discloses a kind of high protection self-circulation air cooled electric generator, generator amature is designed using double fans structure, forefan is placed in inside motor, for driving the air self-loopa in motor to flow, rear fan is placed in motor tail portion, wind is blown into cooler through wind scooper, is used for cooler cooling.The motor upper end is equipped with cooler, cooler uses design of Sealing Structure, degree of protection to be designed using pipeline structure up to IP55, internal heat dissipating, hot wind is discharged through forward fan inside motor, it flows, is transferred heat on cooling tube between pipeline in cooler, then postposition fan passes through wind scooper, cooling wind is set to be flowed in cooling tube, the heat of cooling tube is taken away, to take away motor internal heat, forms a heat exchange cooling system.
Description
Technical field
The present invention relates to a kind of gen-set more particularly to a kind of high protection self-circulation air cooled electric generators.
Background technology
Due to greatly developing for country, the working environment of generating equipment is more and more diversified, the place of various adverse circumstances
It is required for using generator, so the demand of high protective power generation machine is also more and more.
High protective power generation machine is usually taken that following two types of cooling-are air-cooled and water cooling：Air-cooled namely air cooling,
Wind path is generated in generator by fan, is transferred heat on the outer rib of engine base, it is this cold by rib natural cooling
But mode is simple, application range is wider, but since the effect of natural cooling is poor, so the volume of generator is big, of high cost；Water
Cold namely water cooling installs a water cooler on generator pit, and wind path is generated in generator by fan, will be hot
Amount is transmitted on the heat-dissipating pipe of water cooler, is passed through cold water to water cooler heat-dissipating pipe, is cooled down heat-dissipating pipe by cold water, this cooling
Mode good cooling results, but condition requires harshness：Water source and suction pump are needed, application range is excessively limited to.
Invention content
The purpose of the present invention is to provide a kind of high protection self-circulation air cooled electric generators.
The present invention adopts the following technical scheme that completion：A kind of high protection self-circulation air cooled electric generator, including drive end bearing bracket,
Stator, rotor, exciter stator, exciter rotor, bearing, cooler, wind scooper, babinet；The front end of generator sets drive end bearing bracket,
Engine interior sets rotor, and cooler is set above the rotor, babinet is set below the rotor, be equipped on rotor internal fan,
Rotor windings, external fan；By bearing fixed excitation machine stator, exciter stator lower section sets exciter and turns for generator tail portion
Son, cooler the inside are covered with cooling tube, and generator amature is designed using double fans structure, and internal fan is placed in generator, is used
It is placed in power generation drive end unit, wind is blown into cooler through wind scooper, is used in driving the air self-loopa flowing in motor, external fan
It cools down and uses in cooler.
Cooling tube in the cooler is uniformly distributed.
The wind scooper faces external fan, and keeps spacing with external fan so that the wind of external fan is sent along wind scooper
To cooler.
Generator pit is designed using square structure；The structure design is beautiful, practical；Engine base upper cover plate is provided with motor air inlet
Mouth, motor air outlet, so that cooling wind is through the recyclable flowing of cooler；It is designed using slab construction at the top of engine base, peace can be facilitated
Fill cooler.
Advantages of the present invention：Generator is cooled down using air self-loopa, and degree of protection is applicable to relatively severe up to IP55
Environmental condition under, the cooling effect of motor is good, and appearance looks elegant is of low cost, and protective is good.Generator upper end is equipped with cooling
Device, cooler use design of Sealing Structure, and degree of protection is designed up to IP55, internal heat dissipating using pipeline structure, inside motor
Hot wind is discharged through forward fan, flows, is transferred heat on cooling tube between the pipeline in cooler, then postposition fan
By wind scooper, cooling wind is made to be flowed in cooling tube, the heat of cooling tube is taken away, to which motor internal heat be taken away,
Form a heat exchange cooling system.
Description of the drawings
Fig. 1 is the electric generator structure front view and heat exchange schematic diagram of the present invention.
Fig. 2 is the electric generator structure left view structure chart of the present invention.
Fig. 3 is the electric generator structure overlooking structure figure of the present invention.
Wherein, 1. drive end bearing brackets, 2. stators, 3. rotors, 4. exciter stators, 5. exciter rotors, 6. bearings, 7. coolings
Device, 8. wind scoopers, 9. internal fans, 10. external fans, 11. cooling tubes, 12. babinets, 13. rotor windings, 14. motor air inlets,
15. motor air outlet.
Specific implementation mode
As shown in Figure 1, Figure 2, Figure 3 shows, generator of the invention is realized in：As shown in Figure 1, Figure 2, Figure 3 shows, of the invention
Generator be realized in：A kind of high protection self-circulation air cooled electric generator, a kind of high protection self-circulation air cooling
Generator, including drive end bearing bracket (1), stator (2), rotor (3), exciter stator (4), exciter rotor (5), bearing (6), cooling
Device (7), wind scooper (8), babinet (12) further include internal fan (9) and external fan (10)；The front end of generator sets drive end bearing bracket (1),
Engine interior sets rotor (3), and cooler (7) is set above the rotor (3), babinet (12), rotor are set below the rotor (3)
(3) internal fan (9), rotor windings (13), external fan (10) are installed on；It is encouraged by bearing (6) fixation generator tail portion
Magnetomechanical stator (4), exciter stator (4) lower section set exciter rotor (5), are covered with cooling tube (11) inside cooler (7), generate electricity
Machine rotor (3) is designed using double fans structure, and internal fan (9) is placed on front side of generator, and external fan (10) is placed in generator
Wind is blown into cooler (7) by the tail portion of rear side through wind scooper (8), for the cooling use of cooler (7), external fan (10) rear side
If wind scooper.
Cooling tube (11) in the cooler (7) is uniformly distributed.
The wind scooper (8) faces external fan (10), and keeps spacing with external fan (10) so that external fan (10)
Wind is sent to cooler along wind scooper (8).
Generator pit is designed using square structure；The structure design is beautiful, practical；Generator pit upper cover plate is provided with electricity
Machine air inlet (14), motor air outlet (15), motor air outlet (15) are that rectangular aperture is set on the left of cover board, motor air inlet
(14) it is rectangular aperture, is set on the right side of cover board side by side, so that cooling wind is through the recyclable flowing of cooler (7)；It is used at the top of engine base
Slab construction designs, and can facilitate installation cooler (7).
Advantages of the present invention：Generator is cooled down using air self-loopa, and degree of protection is applicable to relatively severe up to IP55
Environmental condition under, the cooling effect of motor is good, and appearance looks elegant is of low cost, and protective is good.Generator upper end is equipped with cooler
(7), cooler (7) uses design of Sealing Structure, degree of protection to be designed using pipeline structure up to IP55, internal heat dissipating, motor
Internal hot wind is discharged through forward fan, is flowed between the pipeline in cooler (7), transfers heat on cooling tube (11),
Then postposition fan is made cooling wind flowing in cooling tube (11), the heat of cooling tube (11) is taken away by wind scooper (8),
To take away motor internal heat, a heat exchange cooling system is formed.
What the generator thermal exchange system of the present invention was realized in：Internal fan (9) 9 is driven to rotate when generator operation,
Heat inside motor is blown into cooler (7) 7, through flowing to motor air inlet in the gap in cooling tube (11) 11
(14), hot wind transfers heat on cooling tube (11) 11 in the process；External fan (10) 10 will while motor operates
Cold air through wind scooper (8) 8 be blown into it is cold go to 11 inside of pipe after blow out, the heat on cooling tube (11) 11 is taken away, to complete
The heat-exchange system of entire motor.
Claims (4)
1. a kind of high protection self-circulation air cooled electric generator, including drive end bearing bracket (1), stator (2), rotor (3), exciter stator
(4), exciter rotor (5), bearing (6), cooler (7), wind scooper (8), babinet (12), which is characterized in that further include interior wind
Fan (9), external fan (10) and wind scooper；The front end of generator sets drive end bearing bracket (1), and engine interior sets rotor (3), the rotor
(3) top sets cooler (7), and babinet (12) is set below the rotor (3), be equipped on rotor (3) internal fan (9), rotor around
Group (13), external fan (10)；Generator tail portion is by bearing (6) fixed excitation machine stator (4), under exciter stator (4)
Side sets exciter rotor (5), is covered with cooling tube (11) inside cooler (7), generator amature (3) is set using double fans structure
Meter, internal fan (9) are placed on front side of generator, and external fan (10) is placed in the tail portion on rear side of generator, external fan (10) rear side
If wind scooper.
2. high protection self-circulation air cooled electric generator according to claim 1, which is characterized in that the cooler (7)
Interior cooling tube (11) is uniformly distributed.
3. high protection self-circulation air cooled electric generator according to claim 1, which is characterized in that the wind scooper (8)
External fan (10) is faced, and spacing is kept with external fan (10).
4. high protection self-circulation air cooled electric generator according to claim 1, which is characterized in that generator pit uses
Square structure designs, and generator pit upper cover plate is provided with motor air inlet (14), motor air outlet (15), motor air outlet (15)
It is set on the left of cover board for rectangular aperture, motor air inlet (14) is rectangular aperture, is set on the right side of cover board side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810609974.8A CN108683300A (en) | 2018-06-13 | 2018-06-13 | A kind of high protection self-circulation air cooled electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810609974.8A CN108683300A (en) | 2018-06-13 | 2018-06-13 | A kind of high protection self-circulation air cooled electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108683300A true CN108683300A (en) | 2018-10-19 |
Family
ID=63811072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810609974.8A Pending CN108683300A (en) | 2018-06-13 | 2018-06-13 | A kind of high protection self-circulation air cooled electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683300A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713847A (en) * | 2019-01-07 | 2019-05-03 | 天津飞旋高速电机科技有限公司 | A kind of magnetic-suspension high-speed magneto and cooling means with air water cooling structure |
| CN110474483A (en) * | 2019-08-30 | 2019-11-19 | 中国长江动力集团有限公司 | A kind of half speed generator of modularization |
| CN112510919A (en) * | 2020-11-23 | 2021-03-16 | 华能国际电力股份有限公司井冈山电厂 | Cooling device of fan type load motor of thermal power plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202111588U (en) * | 2011-07-05 | 2012-01-11 | 上海马拉松·革新电气有限公司 | Air to air cooled generator with coaxial fans |
| CN202978652U (en) * | 2012-12-04 | 2013-06-05 | 南阳防爆集团股份有限公司 | High-capacity brushless excitation system |
| CN104505970A (en) * | 2014-12-26 | 2015-04-08 | 南阳防爆集团股份有限公司 | Three-phase asynchronous motor with three-fan full-circulation cooling wind path system |
| CN204947833U (en) * | 2015-08-19 | 2016-01-06 | 大连弘大特种风机有限公司 | A kind of cooler of electric motor system |
| CN208539722U (en) * | 2018-06-13 | 2019-02-22 | 康富科技股份有限公司 | A kind of high protection self-circulation air cooled electric generator |
-
2018
- 2018-06-13 CN CN201810609974.8A patent/CN108683300A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202111588U (en) * | 2011-07-05 | 2012-01-11 | 上海马拉松·革新电气有限公司 | Air to air cooled generator with coaxial fans |
| CN202978652U (en) * | 2012-12-04 | 2013-06-05 | 南阳防爆集团股份有限公司 | High-capacity brushless excitation system |
| CN104505970A (en) * | 2014-12-26 | 2015-04-08 | 南阳防爆集团股份有限公司 | Three-phase asynchronous motor with three-fan full-circulation cooling wind path system |
| CN204947833U (en) * | 2015-08-19 | 2016-01-06 | 大连弘大特种风机有限公司 | A kind of cooler of electric motor system |
| CN208539722U (en) * | 2018-06-13 | 2019-02-22 | 康富科技股份有限公司 | A kind of high protection self-circulation air cooled electric generator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713847A (en) * | 2019-01-07 | 2019-05-03 | 天津飞旋高速电机科技有限公司 | A kind of magnetic-suspension high-speed magneto and cooling means with air water cooling structure |
| CN110474483A (en) * | 2019-08-30 | 2019-11-19 | 中国长江动力集团有限公司 | A kind of half speed generator of modularization |
| CN112510919A (en) * | 2020-11-23 | 2021-03-16 | 华能国际电力股份有限公司井冈山电厂 | Cooling device of fan type load motor of thermal power plant |
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