CN201674350U - Electricity collecting ring device and electricity generator comprising the same - Google Patents

Electricity collecting ring device and electricity generator comprising the same Download PDF

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Publication number
CN201674350U
CN201674350U CN2010202268074U CN201020226807U CN201674350U CN 201674350 U CN201674350 U CN 201674350U CN 2010202268074 U CN2010202268074 U CN 2010202268074U CN 201020226807 U CN201020226807 U CN 201020226807U CN 201674350 U CN201674350 U CN 201674350U
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China
Prior art keywords
wind scoop
collector
hole
regulator
collector machine
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Expired - Fee Related
Application number
CN2010202268074U
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Chinese (zh)
Inventor
马贤好
吴桂珍
赵军
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Sany Electric Co Ltd
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Sany Electric Co Ltd
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Publication date
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Priority to CN2010202268074U priority Critical patent/CN201674350U/en
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Publication of CN201674350U publication Critical patent/CN201674350U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an electricity collecting ring device, which is used for an electricity generator. The electricity generator comprises a cooling fan (1) and a plurality of cooling pipes (2), wherein the electricity collecting ring device comprises an electricity collecting ring cover (4), and is also provided with a wind catcher (5), the electricity collecting ring cover (4) is provided with an electricity collecting ring cover inlet (41), one end of the wind catcher (5) is communicated with the cooling pipes (2), the other end of the wind catcher (5) is communicated with the electricity collecting ring cover inlet (41), and the wind catcher (5) is provided with a pressure regulator used for regulating the pressure inside the wind catcher (5). On one hand, the device can effectively cool an electricity collecting ring body (6) and has higher work reliability, and on the other hand, the bad influence on the cooling performance of a cooler of the electricity generator can be reduced. In addition, the utility model also discloses the electricity generator comprising the electricity collecting ring device.

Description

A kind of collector machine and comprise the generator of this device
Technical field
The utility model relates to electrical generator fields, particularly a kind of collector machine.In addition, the utility model also relates to a kind of generator that comprises described collector machine.
Background technology
Generator is one of key components and parts of wind power equipment, and domestic is two big main flows with " double-fed generator " and " directly driving generator " mainly.Double-fed generator need carry out AC excitation owing to its rotor, thereby need electric current be introduced rotor by collector machine.The structure of the reversing arrangement of the rotor current collector loop device of the collector machine of double-fed generator and electric excitation synchronous motor, the collector machine of wire-wound asynchronous motor and direct current machine is basic identical, all can generate heat in the running, thereby need cool off collector machine, below will specifically introduce the cooling structure of domestic two kinds of collector machines that adopt at present.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of collector machine in the prior art; Fig. 2 is the end view of collector machine among Fig. 1.
As depicted in figs. 1 and 2, collector machine of the prior art is used for generator, described generator is provided with cooler, described cooler comprise blower fan 1 ' and a plurality of cooling water pipes 2 ', a plurality of cooling water pipe 2 ' one ends and blower fan 1 ' air outlet be communicated with, its other end and chimney fan 3 ' be communicated with, thus realize cooling to generator.On this basis, in order to realize that collector machine is cooled off, chimney fan 3 ' one sides be provided with wind scoop 5 ', wind scoop 5 ' one ends and part cooling water pipe 2 ' be communicated with, thus collect cooling water pipe 2 ' in cooling air, wind scoop 5 ' the other end by tube connector 7 ' be communicated with collector shell import 4 ' 1, with cooling air introduce collector shell 4 ' in, thereby to collector ring body 6 ' cool off, after cooling was finished, cooling air flowed out from collector shell outlet 4 ' 2 again.
The cooling structure of collector machine illustrated in figures 1 and 2 has following shortcoming:
First, because tube connector 7 ', collector shell 4 ' and collector shell outlet 4 ' 2 influences for blast, thereby in wind scoop 5 ' higher-pressure region of interior meeting formation, the higher-pressure region influenced wind scoop 5 ' pairing part cooling water pipe 2 ' in the flow velocity of cooling air, thereby obviously reduced the heat exchange property of cooler;
The second, the wind of collector ring body 6 ' cool off is belonged to higher wet body after a heat exchange of subcooler, thereby to collector ring body 6 ' cooling effect not remarkable;
The 3rd because the blast in wind scoop 5 ' inner high voltage district and tube connector 7 ', collector shell 4 ' and several factors such as collector shell outlet 4 ' 2 is relevant, it is accurate to be difficult to calculate, thereby wind scoop 5 ' area of section be difficult to determine.
Please refer to Fig. 3, Fig. 3 is the structural representation of another kind of collector machine in the prior art.
Collector shell top be provided with outer dress blower fan 8 ', by the 8 ' air blast of outer dress blower fan enter collector shell 4 ', thereby to collector ring body 6 ' cool off.Yet the cooling structure of this collector machine has following shortcoming:
The first, adorn blower fan 8 ' needs independently power supply and power-supply controller of electric independently outward, this has just increased a unreliable factor, has reduced functional reliability, is not inconsistent with wind-driven generator high reliability design objective;
The second because the start-stop of wind-driven generator is more frequent, thereby adorn outward blower fan 8 ' the input instruction of start-stop control be difficult to set.
In sum, on the basis that guarantees the generator cooler cooling performance, the cooling structure that a kind of collector machine of high reliability is provided is the problem that those skilled in the art need solution badly.
The utility model content
The technical problems to be solved in the utility model provides a kind of collector machine, and this device can cool off effectively to the collector ring body on the one hand, and the reliability of work is higher, can reduce the influence to the generator cooler cooling performance on the other hand.In addition, another technical problem that will solve of the utility model is for providing a kind of generator that comprises above-mentioned collector machine.
For solving the problems of the technologies described above, the utility model provides a kind of collector machine, is used for generator, and described generator comprises cooling blower and a plurality of cooling water pipes that are communicated with the air outlet of described cooling blower; Described collector machine comprises collector shell, and described collector shell is provided with the collector shell import; Described collector machine also is provided with wind scoop, and an end of described wind scoop is communicated with the described cooling water pipe of part, and its other end is communicated with described collector shell import; Described wind scoop is provided with the regulator of regulating its internal pressure.
Preferably, described regulator is the regulator hole of being located on the tube wall of described wind scoop, and described regulator hole is communicated with the inside of described wind scoop and the outside of described wind scoop.
Preferably, described regulator hole further is provided with the adjusting device of regulating its hole area size.
Preferably, described adjusting device comprises a plurality of annular slabs that are removably connected on the described wind scoop tube wall, the through hole of each described annular slab all with the axis conllinear of described regulator hole, and the aperture of described regulator hole and each described through hole is reduced by inside to outside direction gradually along described wind scoop.
Preferably, each described annular slab is the annular plate, and the through hole of each described annular plate is a circular hole.
Preferably, each described annular slab is a square plate, and the through hole of each described square plate is a square hole.
Preferably, described regulator hole is located on the tube wall at the described wind scoop back relative with described cooling water pipe.
Preferably, described wind scoop is provided with and relative back, described cooling water pipe position, and described regulator hole is located on the tube wall of at least one side in both sides, described back.
Preferably, described generator is provided with the tube sheet of fixing each described cooling water pipe, and the diapire of described wind scoop is connected with described tube sheet, has the gap between the roof of described wind scoop and the described tube sheet, and described gap forms described regulator hole.
In addition, for solving the problems of the technologies described above, the utility model also provides a kind of generator, comprises cooling blower and a plurality of cooling water pipes that are communicated with the air outlet of described cooling blower; Described generator also comprises above-mentioned each described collector machine, and an end of the wind scoop of described collector machine is communicated with the described cooling water pipe of part.
On the basis of existing technology, the wind scoop of collector machine provided by the utility model is provided with the regulator of regulating its internal pressure.Cooling structure with respect to first kind of collector machine in the prior art, the utility model is provided with regulator on wind scoop, blast in wind scoop is too high, when causing in the cooling water pipe wind speed decreased, can reduce the blast of wind scoop inside by this regulator, make this blast be in the reasonable range.Blast in this zone of reasonableness need be realized following two purposes: one can reduce Influences on Wind Velocity in the cooling water pipe for this reasonable blast, and then minimizing is to the influence of generator cooler cooling performance; Two will make that having abundant cooling air enters and the collector ring body is cooled off in the collector shell for this reasonable blast.
In addition, cooling structure with respect to second kind of collector machine in the prior art, the utility model makes full use of the existing blower fan and the existing part cooling water pipe of generator cooler, independently blower fan is not set in addition, thereby with regard to having avoided being provided with independent blower fan brings that the independent current source and the problem of power-supply controller of electric independently are set, that is reduced by a unreliable factor, make the reliability of collector machine provided by the utility model be improved.
In sum, collector machine provided by the utility model can cool off effectively to the collector ring body on the one hand, and the reliability of work is higher, can reduce the influence to the cooling performance of generator cooler on the other hand.
In addition, the technique effect of the technique effect of generator provided by the utility model and above-mentioned collector ring cooling device is basic identical, does not repeat them here.
Description of drawings
Fig. 1 is the structural representation of a kind of collector machine in the prior art;
Fig. 2 is the end view of collector machine among Fig. 1;
Fig. 3 is the structural representation of another kind of collector machine in the prior art;
Fig. 4 is the structural representation of collector machine among first kind of embodiment of the utility model;
Fig. 5 is the end view of collector machine among Fig. 4;
Fig. 6 is the structural representation of the regulator hole of the wind scoop of collector machine among Fig. 4;
Fig. 7 is the end view of regulator hole among Fig. 6;
Fig. 8 is the structural representation of collector machine among second kind of embodiment of the utility model;
Fig. 9 is the structural representation of the regulator hole of the wind scoop of collector machine among the third embodiment of the utility model;
Figure 10 is the end view of regulator hole among Fig. 9;
Figure 11 is the structural representation of the regulator hole of the wind scoop of collector machine among the 4th kind of embodiment of the utility model.
Embodiment
Core of the present utility model provides a kind of collector machine, and this device can cool off effectively to the collector ring body on the one hand, and the reliability of work is higher, can reduce the influence to the generator cooler cooling performance on the other hand.In addition, another core of the utility model is for providing a kind of generator that comprises above-mentioned collector machine.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is the structural representation of collector machine among first kind of embodiment of the utility model; Fig. 5 is the end view of collector machine among Fig. 4.
In first kind of embodiment, collector machine provided by the utility model is used for generator, described generator be provided be used for self the cooling cooler, described cooler comprises blower fan 1 and a plurality of cooling water pipe 2, a plurality of cooling water pipe 2 one ends are communicated with the air outlet of blower fan 1, the other end is communicated with chimney fan 3, thereby realizes the cooling to generator.As shown in Figure 4, described collector machine comprises collector shell 4, and collector shell 4 is provided with collector shell import 41 and collector shell outlet 42, and collector ring body 6 just is located in this collector shell 4.Described collector machine also comprises wind scoop 5, and these wind scoop 5 one ends are communicated with part cooling water pipe 2, and the other end is communicated with collector shell import 41 by tube connector 7.
On the basis of above-mentioned prior art, wind scoop 5 is provided with the regulator of regulating its internal pressure.Cooling structure with respect to first kind of collector machine in the prior art, the utility model is provided with regulator on wind scoop 5, blast in wind scoop 5 is too high, when causing in the cooling water pipe 2 wind speed decreased, can reduce the blast of wind scoop 5 inside by this regulator, make this blast be in the reasonable range.Blast in this zone of reasonableness need be realized following two purposes: one for this reasonable blast can reduce Influences on Wind Velocity in the cooling water pipe 2, and then reduces the influence to the generator cooler cooling performance; Two will make that having abundant cooling air enters in the collector shell 4 collector ring body 6 is cooled off for this reasonable blast.
In addition, cooling structure with respect to second kind of collector machine in the prior art, the utility model makes full use of the existing cooling blower 1 and the existing part cooling water pipe 2 of generator cooler, independently blower fan is not set in addition, thereby with regard to having avoided being provided with independent blower fan brings that the independent current source and the problem of power-supply controller of electric independently are set, that is reduced by a unreliable factor, make the reliability of collector machine provided by the utility model be improved.
Hence one can see that, and collector machine provided by the utility model can cool off effectively to collector ring body 6 on the one hand, and the reliability of work is higher, can reduce the influence to the cooling performance of generator cooler on the other hand.
Please refer to Fig. 6 and Fig. 7, Fig. 6 is the structural representation of the regulator hole of the wind scoop of collector machine among Fig. 4; Fig. 7 is the end view of regulator hole among Fig. 6.
In above-mentioned first kind of embodiment, this paper does not limit for the type of the regulator of wind scoop 5, thereby any one device, as long as can be used in the blast of regulating in the wind scoop 5, and just should be all within protection range of the present utility model.
Certainly, a kind of regulator can be set specifically, such as, please refer to Fig. 6 and Fig. 7, described regulator is specifically as follows the regulator hole 51 on the tube wall of being located at wind scoop 5.This regulator hole 51 is used to regulate the blast of wind scoop 5 inside, thereby makes blast in reasonable range.Obviously, as regulator, structure is very simple, and cost is lower with regulator hole 51.
In epimere, in case the area of regulator hole 51 is determined, its ability of regulating blast is also just determined, yet, high blast in the wind scoop 5 is not unalterable, thereby, need correspondingly make adjustment along with the variation of the blast in the wind scoop 5 to the area of regulator hole 51 in order to make the blast of wind scoop 5 inside be in all the time in the reasonable range.For this reason, can on regulator hole 51, be provided with the adjusting device of regulating its hole area size.When the blast in the wind scoop 5 is too high, can transfer the area of big regulator hole 51 by this adjusting device, strengthen the pressure regulation ability of regulator hole 51, make that the blast in the wind scoop 5 is within the reasonable range.Certainly, when the relative step-down of blast in the wind scoop 5, can turn the area of regulator hole 51 down, reduce the pressure regulation ability of regulator hole 51, make that the blast in the wind scoop 5 is within the reasonable range by this adjusting device.
Need to prove that the described technical scheme of epimere does not limit for the type of described adjusting device, thus any device, as long as can regulate the area of regulator hole 51, all should be within protection range of the present utility model.
Certainly, a kind of concrete adjusting device can be set.Such as, please refer to Fig. 6 and Fig. 7, described adjusting device comprises a plurality of annular slabs 52 that are removably connected on wind scoop 5 tube walls, each annular slab 52 arrange from level to level and by bolt on the tube wall of wind scoop 5.As shown in Figure 6, the through hole of each annular slab 52 all with the axis conllinear of regulator hole 51, and the aperture of regulator hole 51 and each described through hole is reduced by inside to outside direction gradually along wind scoop 5.
When the blast in the wind scoop 5 is too high, open bolt, with outermost one or several annular slab 52 dismountings, thus the area of increase regulator hole 51, and then the pressure regulation ability of increasing regulator hole 51, make that the blast in the wind scoop 5 are within the reasonable range.Certainly, when the relative step-down of blast in the wind scoop 5, open bolt, more circlet shape plate 52 of aperture can be installed again, thereby reduce the area of regulator hole 51, and then reduce the pressure regulation ability of regulator hole 51, make that the blast in the wind scoop 5 is within the reasonable range.
Further, as shown in Figure 7, each annular slab 52 can be the annular plate, and the through hole of each described annular plate is circular hole.
Please refer to Fig. 8, Fig. 8 is the structural representation of collector machine among second kind of embodiment of the utility model.
In second kind of embodiment, as shown in Figure 8, each annular slab 52 can be square plate, and the through hole of each described square plate can be square hole.Certainly, need to prove that the annular slab 52 of other shapes or the through hole of other shapes are also all within protection range of the present utility model.Simultaneously, it should be noted that the shape of the through hole of each annular slab 52 is preferably similar in order to realize the regulatory function of annular slab 52 better,, perhaps be all other similar polygons etc. such as being all similar ellipse.
In above-mentioned any technical scheme, can make further improvement.Such as, as Fig. 4 and shown in Figure 6, regulator hole 51 is located on the tube wall at the back 53 relative with cooling water pipe 2.In this kind structure, regulator hole 51 is located on the tube wall at the back 53 relative with cooling water pipe 2, thereby in the pressure regulation process, basically do not change wind direction, thereby be located at roof, diapire or the sidewall of wind scoop 5 with respect to regulator hole 51, the regulator hole 51 of equal bore can have bigger pressure regulation ability.
Please refer to Fig. 9 and Figure 10, Fig. 9 is the structural representation of the regulator hole of the wind scoop of collector machine among the third embodiment of the utility model; Figure 10 is the end view of regulator hole among Fig. 9.
In the third embodiment of the present utility model, regulator hole 51 is located on the tube wall of at least one side in 53 both sides, back of wind scoop 5.Obviously, this kind embodiment also can realize the utility model purpose, the technical solution problem.
Please refer to Figure 11, Figure 11 is the structural representation of the regulator hole of the wind scoop of collector machine among the 4th kind of embodiment of the utility model.
Described generator is provided with the tube sheet of fixing a plurality of cooling water pipes 2, the number of tube sheet has two, lay respectively at the two ends of cooling water pipe 2, tube sheet is provided with and cooling water pipe 2 the same number of fixing holes, the aperture of fixing hole equals the external diameter of cooling water pipe 2 substantially, and the two ends of cooling water pipe 2 are inserted in the corresponding through hole fixing respectively.On this basis, wind scoop 5 is connected with tube sheet away from cooling blower 1 one sides, and particularly, as shown in figure 11, the diapire 54 of wind scoop 5 is connected with described tube sheet, and has the gap between the roof 55 of wind scoop 5 and the described tube sheet, and described gap forms regulator hole 51.Obviously, this kind technical scheme also can realize the utility model purpose, the technical solution problem.
In addition, the utility model also provides a kind of generator, and this generator comprises cooling blower 1 and a plurality of cooling water pipes 2 that are communicated with the air outlet of cooling blower 1; This generator also comprises the described collector machine of above-mentioned each technical scheme, and an end of the wind scoop 5 of this collector machine is communicated with part cooling water pipe 2.
At last, more than to a kind of collector machine provided by the utility model and comprise that the generator of this device is described in detail.Used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.

Claims (10)

1. a collector machine is used for generator, and described generator comprises cooling blower (1) and a plurality of cooling water pipes (2) that are communicated with the air outlet of described cooling blower (1); Described collector machine comprises collector shell (4), and described collector shell (4) is provided with collector shell import (41); Described collector machine also is provided with wind scoop (5), and an end of described wind scoop (5) is communicated with the described cooling water pipe of part (2), and its other end is communicated with described collector shell import (41); It is characterized in that described wind scoop (5) is provided with the regulator of regulating its internal pressure.
2. collector machine as claimed in claim 1 is characterized in that, described regulator is communicated with the inside of described wind scoop and the outside of described wind scoop for the regulator hole (51) on the tube wall of being located at described wind scoop (5), described regulator hole (51).
3. collector machine as claimed in claim 2 is characterized in that, described regulator hole (51) further is provided with the adjusting device of regulating its hole area size.
4. collector machine as claimed in claim 3, it is characterized in that, described adjusting device comprises a plurality of annular slabs (52) that are removably connected on described wind scoop (5) tube wall, the through hole of each described annular slab (52) all with the axis conllinear of described regulator hole (51), and the aperture of described regulator hole (51) and each described through hole is reduced by inside to outside direction gradually along described wind scoop (5).
5. collector machine as claimed in claim 4 is characterized in that, each described annular slab (52) is the annular plate, and the through hole of each described annular plate is a circular hole.
6. collector machine as claimed in claim 4 is characterized in that, each described annular slab (52) is a square plate, and the through hole of each described square plate is a square hole.
7. as each described collector machine of claim 2 to 6, it is characterized in that described regulator hole (51) is located on the tube wall at described wind scoop (5) back relative with described cooling water pipe (2) position.
8. as each described collector machine of claim 2 to 6, it is characterized in that described wind scoop (5) is provided with and relative back, described cooling water pipe (2) position, described regulator hole (51) is located on the tube wall of at least one side in both sides, described back.
9. collector machine as claimed in claim 2, it is characterized in that, described generator is provided with the tube sheet of fixing each described cooling water pipe (2), the diapire of described wind scoop (5) is connected with described tube sheet, have the gap between the roof of described wind scoop (5) and the described tube sheet, described gap forms described regulator hole (51).
10. a generator comprises cooling blower (1) and a plurality of cooling water pipes (2) that are communicated with the air outlet of described cooling blower (1); It is characterized in that described generator comprises that also as each described collector machine of claim 1 to 9, an end of the wind scoop of described collector machine (5) is communicated with the described cooling water pipe of part (2).
CN2010202268074U 2010-06-09 2010-06-09 Electricity collecting ring device and electricity generator comprising the same Expired - Fee Related CN201674350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202268074U CN201674350U (en) 2010-06-09 2010-06-09 Electricity collecting ring device and electricity generator comprising the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202268074U CN201674350U (en) 2010-06-09 2010-06-09 Electricity collecting ring device and electricity generator comprising the same

Publications (1)

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CN201674350U true CN201674350U (en) 2010-12-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104348301A (en) * 2013-08-07 2015-02-11 Abb技术有限公司 Heat exchanger and motor or generator containing heat exchanger
CN107516973A (en) * 2016-06-16 2017-12-26 中电电机股份有限公司 Coiling electric motor cooler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104348301A (en) * 2013-08-07 2015-02-11 Abb技术有限公司 Heat exchanger and motor or generator containing heat exchanger
CN104348301B (en) * 2013-08-07 2017-05-24 Abb技术有限公司 Heat exchanger and motor or generator containing heat exchanger
CN107516973A (en) * 2016-06-16 2017-12-26 中电电机股份有限公司 Coiling electric motor cooler

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: 31 Zhangjiakou Wind Power Technology Co., Ltd.

Assignor: Sanyi Electric Co., Ltd.

Contract record no.: 2011990000371

Denomination of utility model: Electricity collecting ring device and electricity generator comprising the same

Granted publication date: 20101215

License type: Exclusive License

Record date: 20110517

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101215

Termination date: 20120609