CN202183693U - Double-fed wind driven generator - Google Patents
Double-fed wind driven generator Download PDFInfo
- Publication number
- CN202183693U CN202183693U CN2011203310389U CN201120331038U CN202183693U CN 202183693 U CN202183693 U CN 202183693U CN 2011203310389 U CN2011203310389 U CN 2011203310389U CN 201120331038 U CN201120331038 U CN 201120331038U CN 202183693 U CN202183693 U CN 202183693U
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- CN
- China
- Prior art keywords
- double
- rotor
- fed wind
- support
- wind driven
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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.)
- Expired - Lifetime
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to electricity generators, in particular to a double-fed wind driven generator which solves the problem that the existing double-fed wind driven generator is not good in ventilation and heat radiation effects due unreasonable ventilation structure. The double-fed wind driven generator comprises an engine seat, a stator, a rotor, and a heat exchanging device which is arranged above the engine seat, wherein a reinforced rib plate is arranged at the bottom of the engine seat, two ends of a rotation shaft are fixedly provided with shaft-flow fans under a diversion hood, an iron core of the rotor is provided with an axial rotor ventilation hole and a plurality of radial rotor ventilation ducts, radial stator ventilation ducts with intervals equal to the intervals of the radial rotor ventilation ducts are arranged on an iron core of the stator, and saw teeth with intervals equal to the intervals of the radial stator ventilation ducts are arranged on the reinforced rib plate. The double-fed wind driven generator is simple in structure, and ingenious in design, and the saw teeth structure of the double-fed wind driven generator can be widely suitable for all air-water cooling double-fed wind driven generators and air-air cooling double-fed wind driven generators or alternating current machine with self ventilation.
Description
Technical field
The utility model relates to a kind of generator, is specially a kind of double-fed wind power generator.
Background technology
Existing double-fed wind power generator is general to be adopted axially or axial-radially compound ventilation structure; Being cooling air, the air inlet of one end gets into motor internal through the support top in the heat exchanger; Behind air gap, stator and rotor cores air duct; Through the centrifugal fan that is fixed in the rotating shaft and is positioned at the support other end air outlet of heat other end through the support top is brought to the heat exchanger of support top, thereby reach the ventilation and heat purpose.There is following shortcoming in this structure: the temperature rise of air opening end motor bearings is high than the air inlet end; Simultaneously support adopts the gusset Welding Structure, and the support bottom is provided with the reinforcement gusset, so easy local overheating and then cause that electric machine temperature rise increases hidden danger.
Summary of the invention
The utility model causes the bad problem of motor ventilation radiating effect in order to solve existing double-fed wind power generator because of aeration structure is unreasonable, a kind of double-fed wind power generator is provided.
The utility model is to adopt following technical scheme to realize: a kind of double-fed wind power generator, and the heat exchanger that comprises support, stator, rotor and be positioned at the support top, the support bottom is provided with the reinforcement gusset; The two ends of rotating shaft all are fixed with aerofoil fan; Some the rotor radial ventilation ductss that rotor core is provided with the rotor axial ventilation hole and communicates with the rotor axial ventilation hole, stator core are provided with the stator radial ventilation ditch identical at interval with the rotor radial ventilation ducts; The air outlet that is provided with the air inlet that is positioned at the support two ends between support and the heat exchanger and is positioned at the support middle part; Said reinforcement gusset is provided with the sawtooth identical at interval with stator radial ventilation ditch.
The aeration structure of the utility model adopts the radial ventilation mode; Cooling air gets in the motor from the air inlet of heat exchanger through the support two ends of support top respectively; Then respectively behind two aerofoil fans that are fixed in the rotating shaft two ends, divide three the tunnel motor heat taken away: the one tunnel communicate through the rotor axial ventilation hole, with the rotor axial ventilating opening the rotor radial ventilation ducts, with the rotor radial ventilation ducts at interval identical stator radial ventilation ditch after the air outlet at support middle part get in the heat exchanger above the support; One the tunnel through stator coil end through stator core and support gap, the stator coil end heat is taken away; After the air outlet at support middle part gets in the heat exchanger, this heat exchanger can be the air water cooling mode to a few part, also can be absolutely empty cold mode through air gap, stator radial ventilation ditch.Strengthen that gusset is provided with stator radial ventilation ditch at interval identical sawtooth can reduce the motor internal windage, improve the aeration structure of stator core bottom, avoid because of local overheating and then cause that electric machine temperature rise increases hidden danger.
Further, be fixed with on the inwall of said support be positioned at the stator coil two ends and be positioned at aerofoil fan top two kuppes, kuppe can make air intake unobstructed, avoids forming eddy current at winding overhang, improves the motor ventilation heat-sinking capability; The two ends of said rotating shaft also are fixed with the gusset support of top and rotor coil pig, and the gusset support can play a supportive role to the rotor winding overhang, make wind path more unobstructed with the corresponding hole of rotor axial ventilation hole on its former.
The utility model is compared with the aeration structure of existing double-fed wind power generator, and the heat exchange amount of motor improves greatly, and temperature rise is low, margin of temperature rise good; The motor of same power, the motor material therefor is few, and is in light weight, and performance index are better.
The utility model is simple in structure, design is ingenious; Solved existing double-fed wind power generator and caused the bad problem of motor radiating effect because of aeration structure is unreasonable, its broached-tooth design of strengthening gusset can be adaptable across the alternating current machine of all air water coolings, absolutely empty cold double-fed wind power generator or self-ventilation.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 strengthens the structural representation of gusset in the support bottom.
Fig. 3 is the B-B profile of Fig. 2.
Among the figure: the 1-support; The 2-heat exchanger; 3-strengthens gusset; The 4-stator coil; The 5-kuppe; The 6-rotating shaft; The 7-aerofoil fan; The 8-rotor coil; 9-gusset support; 10-rotor axial ventilation hole; 11-rotor radial ventilation ducts; 12-stator radial ventilation ditch; The 13-sawtooth.
Embodiment
A kind of double-fed wind power generator, the heat exchanger 2 that comprises support 1, stator, rotor and be positioned at the support top, the support bottom is provided with strengthens gusset 3; The two ends of rotating shaft 6 all are fixed with aerofoil fan 7; Some the rotor radial ventilation ductss 11 that rotor core is provided with rotor axial ventilation hole 10 and communicates with rotor axial ventilation hole 10, stator core are provided with the stator radial ventilation ditch 12 identical at interval with rotor radial ventilation ducts 11; Be provided with air inlet that is positioned at support 1 two ends and the air outlet that is positioned at support 1 middle part between support 1 and the heat exchanger 2; Said reinforcement gusset 3 is provided with the sawtooth 13 identical at interval with stator radial ventilation ditch 12.Be fixed with two kuppes 5 that are positioned at stator coil 4 two ends and are positioned at aerofoil fan 7 tops on the inwall of said support 1; The two ends of rotating shaft 6 also are fixed with the gusset support 9 of top and rotor coil 8 pig.
Claims (2)
1. double-fed wind power generator, the heat exchanger (2) that comprises support (1), stator, rotor and be positioned at support (1) top, the support bottom is provided with strengthens gusset (3); It is characterized in that: the two ends of rotating shaft (6) all are fixed with aerofoil fan (7); Some the rotor radial ventilation ductss (11) that rotor core is provided with rotor axial ventilation hole (10) and communicates with rotor axial ventilation hole (10), stator core are provided with the stator radial ventilation ditch (12) identical at interval with rotor radial ventilation ducts (11); The air outlet that is provided with the air inlet that is positioned at support (1) two ends between support (1) and the heat exchanger (2) and is positioned at support (1) middle part; Said reinforcement gusset (3) is provided with the sawtooth (13) identical at interval with stator radial ventilation ditch (12).
2. a kind of double-fed wind power generator according to claim 1 is characterized in that: be fixed with on the inwall of said support (1) be positioned at stator coil (4) two ends and be positioned at aerofoil fan (7) top two kuppes (5); The two ends of said rotating shaft (6) also are fixed with the gusset support (9) of top and rotor coil (8) pig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203310389U CN202183693U (en) | 2011-09-06 | 2011-09-06 | Double-fed wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203310389U CN202183693U (en) | 2011-09-06 | 2011-09-06 | Double-fed wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202183693U true CN202183693U (en) | 2012-04-04 |
Family
ID=46176714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203310389U Expired - Lifetime CN202183693U (en) | 2011-09-06 | 2011-09-06 | Double-fed wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202183693U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290922A (en) * | 2011-09-06 | 2011-12-21 | 永济新时速电机电器有限责任公司 | Double-fed wind generator |
| CN103746484A (en) * | 2013-12-19 | 2014-04-23 | 重庆赛力盟电机有限责任公司 | Structure increasing cast aluminum rotor iron core ventilation area |
| CN105245042A (en) * | 2015-11-03 | 2016-01-13 | 中科盛创（青岛）电气股份有限公司 | Inner wind path structure of permanent magnet wind driven generator |
| WO2016145984A1 (en) * | 2015-03-17 | 2016-09-22 | Abb技术有限公司 | Electric motor |
| CN111668955A (en) * | 2020-05-21 | 2020-09-15 | 南京师范大学 | Small-size high-speed motor rotor structure |
-
2011
- 2011-09-06 CN CN2011203310389U patent/CN202183693U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290922A (en) * | 2011-09-06 | 2011-12-21 | 永济新时速电机电器有限责任公司 | Double-fed wind generator |
| CN103746484A (en) * | 2013-12-19 | 2014-04-23 | 重庆赛力盟电机有限责任公司 | Structure increasing cast aluminum rotor iron core ventilation area |
| WO2016145984A1 (en) * | 2015-03-17 | 2016-09-22 | Abb技术有限公司 | Electric motor |
| CN105245042A (en) * | 2015-11-03 | 2016-01-13 | 中科盛创（青岛）电气股份有限公司 | Inner wind path structure of permanent magnet wind driven generator |
| CN111668955A (en) * | 2020-05-21 | 2020-09-15 | 南京师范大学 | Small-size high-speed motor rotor structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120404 Effective date of abandoning: 20130710 |
|
| RGAV | Abandon patent right to avoid regrant |