CN108768072A - Rotor machine with cooling system - Google Patents
Rotor machine with cooling system Download PDFInfo
- Publication number
- CN108768072A CN108768072A CN201810300852.0A CN201810300852A CN108768072A CN 108768072 A CN108768072 A CN 108768072A CN 201810300852 A CN201810300852 A CN 201810300852A CN 108768072 A CN108768072 A CN 108768072A
- Authority
- CN
- China
- Prior art keywords
- fan
- rotor machine
- cooler
- rotor
- air
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
-
- 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
- H02K9/12—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing wherein the cooling medium circulates freely within the casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
- H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Describe a kind of rotor machine（1）Comprising stator（2）, rotor（3）, for cooling come from stator（2）And/or rotor（3）Air-flow at least one cooler（10）And and cooler（10）Associated at least one fan（11）, the fan is with fan box（20）.Fan box（20）With fan inlet（21）With two fan outlets（22a, 22b）, the fan inlet（21）It is connected to cooler（10）Cooler is come from for receiving（10）The air-flow, described two fan outlets（22a, 22b）For fan box will to be left（20）The air-flow be directed towards rotor machine（1）Two corresponding opposed ends（4,5）.
Description
Technical field
The present invention relates to a kind of rotor machines comprising stator, rotor and including the cold of at least one cooling fan
But system.Specifically, the generator that present invention can apply to be included in wind turbine.
Background technology
The rotor machine and its operating method of the above-mentioned type are commonly known.It is included in each of wind turbine
Rotor machine includes stator and rotor, which axially extends around stator along the rotation axis of rotor.Generator fills
It sets and is being connected to driving device（That is the rotor of the blade with wind turbine）Driving end with it is axially opposing non-driven
Axially extend between end.
In general, stator is characterized in that multiple axially extending sections.Rotor machine further includes having multiple coolers
Cooling system.For example, each cooler can service two sections.It is logical for generating that ventilation device is installed on each cooler
The air-flow of subcooler.Particularly, cooler receive in the stator with the air-flow heated in rotor and convey cooling
Air-flow.By means of ventilation device, air of this cooling towards the gap between rotor and stator and towards the section of stator it
Between gap be blown from cooled electric generator.
It is known that a kind of ventilation device is provided comprising two centrifugal fans being mounted on each cooler：One wind
Fan, the air-flow for being used to leave the cooling of cooler are conveyed towards the driving end of generator；Another fan, be used for by
The air-flow for leaving the cooling of cooler is conveyed towards the non-driven end of generator.
This solution is not best or can improve.
Particularly, it is desirable to provide a kind of rotor machine comprising generating has flow and Temperature Distribution evenly
The cooling system of air-flow.
Invention content
It can be by meeting the needs according to subject matter of the independent claims.The advantageous embodiment of the present invention is wanted by appurtenance
Ask description.
According to the present invention, a kind of rotor machine includes：
Stator,
Rotor,
At least one cooler is used for the cooling air-flow from stator and/or rotor,
At least one fan, associated with cooler, fan has fan box,
Wherein fan box, which has, is connected to cooler for receiving the cooler interface of the air-flow from cooler, and
And
Wherein there are two fan outlets for fan box tool, for the air-flow for leaving fan box to be directed towards rotor machine
Two corresponding opposed ends.
Fan box set forth above and its allow to reach multiple advantages with the connection of cooler：
The flow and Temperature Distribution generated by each cooler only one fan is more equally distributed in rotor machine；
By using a fan only need to be installed on each cooler, the overall complexity of system is reduced.Made of straight panel
Very simple and economic fan box can be used to surround blast fan and cooler be connected to stator plate；
It is assembled into rotor machine using single fan.Particularly, the fan of the blast fan of single bigger and bigger
Motor can be extracted out laterally.
According to one embodiment of present invention, rotor machine extends around stator along the rotation axis of rotor, two
Fan outlet be configured for by the air-flow for leaving fan box be directed towards two of rotor machine it is corresponding opposite
Axial end portion.Particularly, one in two corresponding ends to axial is the driving end of rotor machine, and another
A axial end portion is non-driven end.Advantageously, two fan outlets are respectively dedicated generation and are directed towards generator dress respectively
Two air-flows of the driving end and non-driven end set.
According to another embodiment of the invention, stator is divided into multiple sections, at least one cooler with it is described
One or more of section is associated.
According to other embodiments of the present invention, rotor machine includes a blast fan associated with fan box and company
It is connected to the fan motor motor of blast fan.Fan motor advantageously can laterally or be parallelly orientated relative to rotation axis,
Letter case（letter case）Allow that king-sized motor is installed.
According to other embodiments of the present invention, fan box includes removable plate, is removed from rotor machine for allowing
Blast fan and/or fan motor.Different fan motor and blast fan may be selected, and be applied to same simple and bright
The fixed fan pod interface of fidelity.More advantageously, different fan grades can be installed according to place demand：For the field of hot weather
Bigger can be provided and more expensive fan, and for cold, place of less demanding, smaller less expensive wind can be installed
Fan.
The aspects defined above and another aspect of the present invention is it will be evident that simultaneously from the example for the embodiment being described below
And the example of reference implementation example explains.It is more fully described the present invention below with reference to the example of embodiment, but this hair
It is bright without being limited thereto.
Description of the drawings
Fig. 1 shows the wind turbine for including rotor machine according to the ... of the embodiment of the present invention.
Fig. 2 shows the schematic cross-sectionals of rotor machine according to the ... of the embodiment of the present invention.
Fig. 3 shows the schematic top view of the component of the rotor machine of Fig. 1.
Specific implementation mode
Fig. 1 shows wind turbine 100 according to the present invention.Wind turbine 100 includes being mounted on unshowned base
Tower 101 on bottom.Enging cabin 102 is arranged on the top of tower 101.
Wind turbine 100 further includes that there are three blades 104 for tool（Only visible two blades 104 in perspective view in figure 1）
Wind rotor 103.Wind rotor 103 can surround rotation axis Y rotations.When no differently specified, term axis below
It is carried out to, radial direction and circumference with reference to rotation axis Y.
Blade 104 is radially extended relative to rotation axis Y.
Wind turbine 100 includes rotor machine 1 comprising stator 2, rotor 3 and in rotor machine 1
Generate the cooling system 15 of air-flow.
Wind rotor 103 is rotatably coupled by rotatable shaft 109 with rotor 3.The bearing assembly schematically shown is provided
108 so that both wind rotor 103 and rotor 3 to be held in position in.As it can be seen from figure 1 that 109 edge of rotatable shaft
Rotation axis Y to extend.
Rotor machine 1 prolongs along rotation axis Y between axially driving end 4 and axially opposing non-driven end 5
It stretches.Driving end 4 is connected to the rotatable shaft 109 of wind turbine 100.Rotation axis Y also with the rotor 3 around stator 2
Rotation axis coincident.
Air gap 6 of the setting around axis Y circumferentially extendings between rotor 3 and the stator 2.Stator 2 includes multiple sections
（It is not shown in the accompanying drawings）, multiple stator gaps（It is not shown in the accompanying drawings）Axial plant arrives the multiple section.
Refer to the attached drawing 2 is described in more detail below rotor machine 1.
Cooling system 15 includes at least one cooler 10（A cooler in the embodiment of attached drawing 2）.
According to other embodiments of the invention, cooling system may include multiple coolers 10.For example, in multiple coolers
Each cooler can be arranged for cooling a pair of adjacent stator section.
Cooling system 15 further includes fan associated with each cooler 10 11.Fan 11 includes：
Fan box 20,
Blast fan 23,
The fan motor 24 of blast fan is connected to by fan shaft 27.
In the embodiment of attached drawing 2, fan motor 24 and fan shaft 27 are radial oriented, i.e., orthogonal with rotation axis Y.
According to other possible embodiments, especially when motor has larger size, fan motor 24 and fan shaft 27
Rotation axis Y is parallel to be orientated.
20 connecting stator 2 of fan box, cooler 10 and blast fan 23, cooler 10 is along orthogonal with rotation axis Y
Direction be plugged between stator 2 and blast fan 23.
The air-flow by cooler 10 is generated by the blast fan 23 that fan motor 24 operates.The reception of cooler 10 exists
The air-flow heated in stator 2 and in rotor 3, and convey cooling air-flow.By blast fan 23, the air of this cooling
Gap between the gap 6 being blown between rotor and stator and the section for passing through stator is with cooled electric generator device 1.
Fan box 20 includes the first opening 18 for fan box 20 to be connected to stator 2.It is cooling by the first opening 18
Device 10 receives the air-flow heated in stator 2.Fan box 20 further includes being connected to cooler 10 for receiving from cold
But the cooler interface 21 of the air-flow for the cooling that device 10 leaves.
Fan box 20 also two fan outlets 22a, 22b with axially opposing orientation, for fan box 20 will to be left
Air-flow is directed towards respectively towards the driving end 4 of rotor machine 1 and non-driven end 5.
Other possible embodiments according to the present invention, the other configurations of fan outlet 22a, 22b are possible, but
Under all situations, two fan outlet 22a, 22b are configured for the air-flow for leaving fan box 20 being directed towards generator
Two corresponding opposed ends of device 1.
Fan box 20 includes the second opening 19, opposite with the first opening 18, and blast fan 23 is arrived for fan box 20.
The top view of fan box 20 is shown in Fig. 3.As shown, fan box 20 has parallelepiped shape, by
Straight metallic plate is made, and cooler 10 is connected to stator 2 and will cooled down by the straight metallic plate for surrounding blast fan 23
Device 10 is connected to blast fan 23 and fan outlet 22a, 22b.
The shape of cooler 10 is parallelepiped, and blast fan 23 is cylindrical.It must be connected by fan box 20
The simple geometric shape of this component allow the manifold for avoiding fan box 20 from being configured to complicated shape.
Fan box 20 includes the removable plate for allowing to remove blast fan 23 and fan motor 24 from rotor machine 1
25.It is removed from fan box 20 and plate 25 can be removed allows access into the component being made of blast fan 23 and fan motor 24 and from hair
Electric machine 1 removes this component.The removal of blast fan 23 and fan motor 24 can be relative to rotation axis Y along radial direction
It executes.In the case where can be used for radial removal motor using big fan motor 24 and not enough gaps, removing
After plate 25 can be removed, fan motor 24 can be circumferentially removed（Finally together with blast fan 23）.
Claims (10)
1. a kind of rotor machine（1）Comprising
Stator（2）,
Rotor（3）,
At least one cooler（10）, it is used for cooling from the stator（2）And/or the rotor（3）Air-flow,
At least one fan（11）, with the cooler（10）Associated, the fan has fan box（20）,
The wherein described fan box（20）With being connected to the cooler（10）The cooler is come from for receiving（10）
The air-flow cooler interface（21）, and
The wherein described fan box（20）There are two fan outlets for tool（22a, 22b）, for the fan box will to be left（20）'s
The air-flow is directed towards the rotor machine（1）Two corresponding opposed ends（4,5）.
2. rotor machine according to claim 1（1）, wherein the rotor machine（1）Around the stator（2）Edge
The rotor（3）Rotation axis（Y）It is axially extending, described two fan outlets（22a, 22b）Being configured for will be from
Open the fan box（20）The air-flow be directed towards the rotor machine（1）Two corresponding axially opposite ends
（4,5）.
3. rotor machine according to claim 2（1）, wherein described two corresponding axially opposite ends（4,5）
In one be the rotor machine（1）Driving end（4）.
4. rotor machine according to any one of the preceding claims（1）, wherein the stator（2）It is divided into multiple areas
Section, at least one cooler（10）It is associated with one or more of the section.
5. rotor machine according to any one of the preceding claims（1）, wherein the rotor machine（1）Including with
The fan box（20）An associated blast fan（23）Be connected to the blast fan（23）Fan motor（24）.
6. rotor machine according to claim 5（1）, wherein the fan motor（24）Relative to the rotation axis
（Y）Horizontal orientation.
7. rotor machine according to claim 5（1）, wherein the fan motor（24）It is parallel to the rotation axis
（Y）It is orientated.
8. according to the rotor machine described in claim 5 to 7（1）, wherein the fan box（20）Including being used to allow from institute
State rotor machine（1）Remove the blast fan（23）And/or the fan motor（24）Removable plate（25）.
9. one kind includes rotor machine according to any one of the preceding claims（1）Wind turbine（100）.
10. one kind being used for rotor machine（1）Cooling system（15）Comprising：
At least one cooler（10）, it is used to cool down the rotor machine（1）In air-flow,
At least one fan（11）, with the cooler（10）It is associated, the fan（11）With fan box（20）,
The wherein described fan box（20）With being connected to the cooler（10）The cooler is come from for receiving（10）
The air-flow fan inlet（21）, and
The wherein described fan box（20）There are two fan outlets for tool（22a, 22b）, for the fan box will to be left（20）'s
The air-flow is directed towards the rotor machine（1）Two corresponding opposed ends（4,5）.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017205812 | 2017-04-05 | ||
| DE102017205812.9 | 2017-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108768072A true CN108768072A (en) | 2018-11-06 |
Family
ID=63588237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810300852.0A Pending CN108768072A (en) | 2017-04-05 | 2018-04-04 | Rotor machine with cooling system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108768072A (en) |
| DE (1) | DE102018202691A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3968501A4 (en) * | 2019-08-14 | 2022-07-06 | Shanghai Electric Wind Power Group Co., Ltd. | Stator block, stator assembly, and cooling system for stator assembly |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186947A (en) * | 1981-05-13 | 1982-11-17 | Hitachi Ltd | Electric rotary machine |
| CN1666020A (en) * | 2002-07-25 | 2005-09-07 | 西门子公司 | Wind power installation with separate primary and secondary cooling circuits |
| JP2007089255A (en) * | 2005-09-20 | 2007-04-05 | Mitsubishi Electric Corp | Dynamo-electric machine |
| CN101034837A (en) * | 2007-04-19 | 2007-09-12 | 湘潭电机股份有限公司 | Security-enhanced three-phase asynchronous motor for mine |
| CN201118369Y (en) * | 2007-11-08 | 2008-09-17 | 湘潭电机股份有限公司 | Mw higher dual-feedback asynchronous wind generator |
| CN201319552Y (en) * | 2008-11-04 | 2009-09-30 | 新疆金风科技股份有限公司 | High-power permanent magnet synchronous machine |
| KR20100026867A (en) * | 2008-09-01 | 2010-03-10 | 두산중공업 주식회사 | Cooling system of wind turbine generator |
| CN201499054U (en) * | 2009-08-31 | 2010-06-02 | 杭州银轮科技有限公司 | Heat pipe cooler for wind generating set |
| CN201576992U (en) * | 2009-08-20 | 2010-09-08 | 杭州银轮科技有限公司 | Hot-plate type wind turbine generator system cooler |
| CN104467284A (en) * | 2014-12-09 | 2015-03-25 | 哈尔滨电气动力装备有限公司 | Cooling device for vertical motor of double-layer structure |
| CN105471174A (en) * | 2014-09-03 | 2016-04-06 | 天津市方圆电气设备有限公司 | Novel variable-frequency generator cooling structure and preparation method thereof |
-
2018
- 2018-02-22 DE DE102018202691.2A patent/DE102018202691A1/en not_active Withdrawn
- 2018-04-04 CN CN201810300852.0A patent/CN108768072A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186947A (en) * | 1981-05-13 | 1982-11-17 | Hitachi Ltd | Electric rotary machine |
| CN1666020A (en) * | 2002-07-25 | 2005-09-07 | 西门子公司 | Wind power installation with separate primary and secondary cooling circuits |
| JP2007089255A (en) * | 2005-09-20 | 2007-04-05 | Mitsubishi Electric Corp | Dynamo-electric machine |
| CN101034837A (en) * | 2007-04-19 | 2007-09-12 | 湘潭电机股份有限公司 | Security-enhanced three-phase asynchronous motor for mine |
| CN201118369Y (en) * | 2007-11-08 | 2008-09-17 | 湘潭电机股份有限公司 | Mw higher dual-feedback asynchronous wind generator |
| KR20100026867A (en) * | 2008-09-01 | 2010-03-10 | 두산중공업 주식회사 | Cooling system of wind turbine generator |
| CN201319552Y (en) * | 2008-11-04 | 2009-09-30 | 新疆金风科技股份有限公司 | High-power permanent magnet synchronous machine |
| CN201576992U (en) * | 2009-08-20 | 2010-09-08 | 杭州银轮科技有限公司 | Hot-plate type wind turbine generator system cooler |
| CN201499054U (en) * | 2009-08-31 | 2010-06-02 | 杭州银轮科技有限公司 | Heat pipe cooler for wind generating set |
| CN105471174A (en) * | 2014-09-03 | 2016-04-06 | 天津市方圆电气设备有限公司 | Novel variable-frequency generator cooling structure and preparation method thereof |
| CN104467284A (en) * | 2014-12-09 | 2015-03-25 | 哈尔滨电气动力装备有限公司 | Cooling device for vertical motor of double-layer structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3968501A4 (en) * | 2019-08-14 | 2022-07-06 | Shanghai Electric Wind Power Group Co., Ltd. | Stator block, stator assembly, and cooling system for stator assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018202691A1 (en) | 2018-10-11 |
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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: 20181106 |