CN107046341A - Double-feed wind motor collector ring system and bearing ventilation cooling device - Google Patents
Double-feed wind motor collector ring system and bearing ventilation cooling device Download PDFInfo
- Publication number
- CN107046341A CN107046341A CN201610925503.9A CN201610925503A CN107046341A CN 107046341 A CN107046341 A CN 107046341A CN 201610925503 A CN201610925503 A CN 201610925503A CN 107046341 A CN107046341 A CN 107046341A
- Authority
- CN
- China
- Prior art keywords
- cylindric
- collector ring
- cover body
- bearing
- double
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 238000009423 ventilation Methods 0.000 title claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002964 excitative effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
-
- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- 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
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/28—Cooling of commutators, slip-rings or brushes e.g. by ventilating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Double-feed wind motor collector ring system and bearing ventilation cooling device, one group consistent with cylindric cover body radian one, No. two curved cover plates are symmetrically arranged with cylindric faceshield side wall above carbon brush, first, symmetrically offer one on No. two curved cover plates, No. two ventilating openings, No. three ventilating openings are offered on cylindric faceshield side wall below carbon brush, cylindric cover body front end is provided with front shroud, end, which is provided with back shroud, back shroud, offers No. four ventilating openings.The short circuit problem that bearing and collector ring heating and carbon dust accumulation are caused is solved, the probability of failure generation is effectively reduced, improves double-fed wind power generator reliability of operation, reduce the maintenance cost of generator.
Description
Technical field
The present invention relates to double-feed wind motor collector ring system and the ventilating and cooling and carbon dust clearing equipment of bearing, especially
It is related to a kind of while can be to current collection loop system and the ventilation cooling device of the current cooling of bearing.
Background technology
Bearing is as the important component of double-fed wind power generator, and its main function is supporting motor rotor, reduction friction system
Number, and ensure its rotating accuracy.Bearing temperature is caused to raise because bearing can produce heat in rotary course, too high bearing
Temperature can cause insufficient lubrication, and frictional dissipation aggravation, bearing temperature leads to step rise, ultimately results in bearing locking and burn.And collect
Electric ring is as the important component of double-fed wind power generator, and its main function is that by carbon brush exciting current is conducted into rotor windings
It is current excitatory.Because collector ring rotates at a high speed with rotating shaft, carbon brush can produce frictional dissipation with collector ring friction, and rotor current passes through
Carbon brush and collector ring can also produce electrical loss.Therefore, should be reasonable to ensure that bearing collector ring is run in the range of reasonable temperature
Design the ventilation cooling structure of bearing and collector ring.
At present, the bearing unit of slip ring side and the ventilation cooling device of current collection loop system are often separated, also without energy
The ventilation cooling device cooled down simultaneously to bearing and current collection loop system simultaneously.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of radiating for solving current collection loop system and bearing by the present invention
Problem and carbon dust collecting problem, make current collection loop system and bearing realize that few maintenance is even non-maintaining, improve double-fed wind generating
The double-feed wind motor collector ring system and bearing ventilation cooling device of machine reliability of operation.
To realize the object of the invention, there is provided following technical scheme：Double-feed wind motor collector ring system and bearing are logical
Air-cooling device, including cylindric cover body, the rotor junction box and carbon dust that are arranged at cylindric cover body sidepiece and communicate therewith are received
Acquisition means, cylindric cover body end and disconnected electric motor end cap are arranged at, the cylindric cover body is provided centrally with rotating shaft,
Collector ring is installed, centrifugal fan is fixedly connected positioned at rotating shaft front end with collector ring in rotating shaft, rotating shaft drives collector ring and centrifugation
Fan rotates together, and collector ring periphery is fixed with carbon brush, it is characterised in that right on the cylindric faceshield side wall above carbon brush
Claim to be provided with one group consistent with cylindrical shape cover body radian one, No. two curved cover plates, one, symmetrically open up on No. two curved cover plates
Have one, No. two ventilating openings, offer No. three ventilating openings, cylindric cover body front end on the cylindric faceshield side wall below carbon brush
Front shroud is provided with, end, which is provided with back shroud, back shroud, offers No. four ventilating openings.
Preferably, being provided with the connection method for separating cylindric cover body and electric motor end cap between back shroud and electric motor end cap
Bearing unit is provided with orchid, rotating shaft, bearing unit is located at outside cylindric cover body.
Preferably, No. four ventilating openings accelerate the flow of external air of bearing unit just to bearing unit.
Preferably, being provided with No. three curved cover plates outside No. three ventilating openings, No. three curved cover plates pass through bolt and cylindrical shape
Faceshield side wall is affixed.
Preferably, being provided with L-type wind deflector in No. three ventilating openings, L-type wind deflector and cylindric cover body are affixed.
Beneficial effects of the present invention：On the basis of former collector ring ventilation cooling device, by adpting flange by bearing list
Member and current collection loop system are separated, and using multichannel aeration structure, both ensure that the cooling of current collection loop system and bearing unit, and again can
The carbon dust in collector shell is effectively removed, the probability of failure generation is effectively reduced, double-fed wind power generator operation is improved
Reliability, reduce the maintenance cost of generator.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 right side view.
Embodiment
Double-feed wind motor collector ring system and bearing ventilation cooling device, including cylindric cover body 1, it is arranged at cylinder
The sidepiece of shape cover body 1 and communicate therewith rotor junction box 2 and carbon powder collecting device 3, be arranged at the cylindric end of cover body 1 and therewith
The electric motor end cap 4 of separation, the cylindric cover body 1 is provided centrally with rotating shaft 5, rotating shaft 5 being provided with collector ring 6, centrifugal fan 7
It is fixedly connected, centrifugal fan 7 is bolted on the end of collector ring 6, collector ring 6 and turns with collector ring 6 positioned at the front end of rotating shaft 5
Axle 5 is interference fitted integrally, and rotating shaft 5 drives collector ring 6 and centrifugal fan 7 to rotate together, and the periphery of collector ring 6 is fixed with carbon brush 8,
One group consistent with the cylindric radian of cover body 1 one, No. two is symmetrically arranged with the side wall of cylindric cover body 1 of the top of carbon brush 8
Curved cover plate（9、10）, one, No. two curved cover plates（9、10）On symmetrically offer one, No. two ventilating openings（9.1、10.1）, position
No. three arcs are installed outside No. three ventilating openings 11, No. three ventilating openings 11 in being offered on the side wall of cylindric cover body 1 of the lower section of carbon brush 8
Cover plate 12, No. three curved cover plates 12 are affixed by bolt and the cylindric side wall of cover body 1.The cylindric front end of cover body 1 is provided with protecgulum
Plate 13, end, which is provided with back shroud 14, back shroud 14, offers No. four ventilating openings 14.1.Back shroud 14 and electric motor end cap 4 it
Between be provided with the adpting flange 15 for separating cylindric cover body 1 and electric motor end cap 4, rotating shaft 5 and be provided with bearing unit 16, bearing
Unit 16 is located at outside cylindric cover body 1.So that the part dew of bearing unit 16 is in atmosphere, it can reduce at bearing unit 16
Environment temperature, advantageously reduce the temperature rise of bearing.No. four ventilating openings 14.1 just to bearing unit 16, accelerate bearing unit 16
Flow of external air.L-type wind deflector 17 is provided with No. three ventilating openings 11, L-type wind deflector 17 is welded into one with cylindric cover body 1
Body.No. three ventilating openings 11 are used to prevent carbon dust in the accumulation of cover body bottom.
It is uniform cold that the current collection loop system and bearing ventilation cooling device that the present invention is designed can not only obtain heat generating components
But, and be conducive to carbon dust to exclude, reduce the probability that current collection loop system and bearing break down, the safety for improving motor can
By property.
Claims (4)
1. double-feed wind motor collector ring system and bearing ventilation cooling device, including cylindric cover body, it is arranged at cylindrical shape
Cover body sidepiece and communicate therewith rotor junction box and carbon powder collecting device, be arranged at cylindric cover body end and disconnected
Electric motor end cap, the cylindric cover body is provided centrally with rotating shaft, rotating shaft being provided with collector ring, and centrifugal fan is located at rotating shaft front end
It is fixedly connected with collector ring, rotating shaft drives collector ring and centrifugal fan to rotate together, and collector ring periphery is fixed with carbon brush, its feature
It is to be located at and one group consistent with cylindric cover body radian one, No. two is symmetrically arranged with the cylindric faceshield side wall above carbon brush
Curved cover plate, one, symmetrically offer one on No. two curved cover plates, No. two ventilating openings, the cylindric cover body below carbon brush
No. three ventilating openings are offered on the wall of side, cylindric cover body front end is provided with front shroud, and end is provided with back shroud, back shroud and opened
Provided with No. four ventilating openings.
2. double-feed wind motor collector ring system according to claim 1 and bearing ventilation cooling device, its feature exist
It is provided with the adpting flange for separating cylindric cover body and electric motor end cap, rotating shaft and is provided between back shroud and electric motor end cap
Bearing unit, bearing unit is located at outside cylindric cover body.
3. double-feed wind motor collector ring system according to claim 1 and bearing ventilation cooling device, its feature exist
In No. four ventilating openings just to bearing unit, accelerate the flow of external air of bearing unit.
4. double-feed wind motor collector ring system according to claim 1 and bearing ventilation cooling device, its feature exist
In being provided with No. three curved cover plates outside No. three ventilating openings, No. three curved cover plates are affixed by bolt and cylindric faceshield side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610925503.9A CN107046341A (en) | 2016-10-30 | 2016-10-30 | Double-feed wind motor collector ring system and bearing ventilation cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610925503.9A CN107046341A (en) | 2016-10-30 | 2016-10-30 | Double-feed wind motor collector ring system and bearing ventilation cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107046341A true CN107046341A (en) | 2017-08-15 |
Family
ID=59543706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610925503.9A Pending CN107046341A (en) | 2016-10-30 | 2016-10-30 | Double-feed wind motor collector ring system and bearing ventilation cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107046341A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06197496A (en) * | 1992-12-24 | 1994-07-15 | Hitachi Ltd | Cooling device for current collecting part of rotating electric machine |
| JPH0716580U (en) * | 1993-08-11 | 1995-03-17 | 株式会社東芝 | Winding motor current collector |
| CN202334154U (en) * | 2011-11-22 | 2012-07-11 | 西安盾安电气有限公司 | External heat dissipation device of motor bearing |
| CN203747613U (en) * | 2013-12-31 | 2014-07-30 | 余光华 | Alternator with externally-placed carbon brush |
| CN104578598A (en) * | 2014-12-17 | 2015-04-29 | 国电联合动力技术(宜兴)有限公司 | Multi-air path-structure collector ring ventilating and cooling device of doubly-fed wind generator |
-
2016
- 2016-10-30 CN CN201610925503.9A patent/CN107046341A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06197496A (en) * | 1992-12-24 | 1994-07-15 | Hitachi Ltd | Cooling device for current collecting part of rotating electric machine |
| JPH0716580U (en) * | 1993-08-11 | 1995-03-17 | 株式会社東芝 | Winding motor current collector |
| CN202334154U (en) * | 2011-11-22 | 2012-07-11 | 西安盾安电气有限公司 | External heat dissipation device of motor bearing |
| CN203747613U (en) * | 2013-12-31 | 2014-07-30 | 余光华 | Alternator with externally-placed carbon brush |
| CN104578598A (en) * | 2014-12-17 | 2015-04-29 | 国电联合动力技术(宜兴)有限公司 | Multi-air path-structure collector ring ventilating and cooling device of doubly-fed wind generator |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170815 |