CN202444377U - Wind driven generator - Google Patents
Wind driven generator Download PDFInfo
- Publication number
- CN202444377U CN202444377U CN2012200717345U CN201220071734U CN202444377U CN 202444377 U CN202444377 U CN 202444377U CN 2012200717345 U CN2012200717345 U CN 2012200717345U CN 201220071734 U CN201220071734 U CN 201220071734U CN 202444377 U CN202444377 U CN 202444377U
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- heat exchanger
- exchanger plates
- generator
- level heat
- heat exchange
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Abstract
The utility model discloses a wind driven generator which comprises a generator shell, a generator shaft, a generator winding, a fan, a heat exchange unit, a coolant pump and a radiator, wherein the fan disposed at one side of the generator winding is used to pump hot air in the generator winding to the heat exchange unit, the heat exchange unit comprises a first-level heat exchange board and a second-level heat exchange board which are both disposed below the generator winding in a mutually interval mode to cool the hot air at twice, and pipelines used for circulations of coolant liquid is formed inside the first-level heat exchange board and the second-level heat exchange board. The coolant pump is connected with inlets of the coolant liquid of the first-level heat exchange board and the second-level heat exchange board in order to drive the coolant liquid in the heat exchange boards to flow circularly. The radiator is connected with outlets of the coolant liquid of the first-level heat exchange board and the second-level heat exchange board in order to re-cool the heated coolant liquid. The wind driven generator resolves the technical problems that a coolant mechanism of a wind driven generator of existing technology has low cooling efficiency and probably damages the winding because of coolant liquid leakage.
Description
Technical field
The utility model relates to the generator cooling technology in the wind turbine generator, relates in particular to a kind of wind-driven generator.
Background technology
Cooling device is one of important composition parts of generator.When wind turbine generator was normally moved, generator can produce great amount of heat and it is heated up, and in order to prolong the useful life of generator, improved the operating efficiency of wind turbine generator, and generator must be equipped with the cooling device with enough heat-sinking capabilities.
Yet; The generator cooling device that in wind turbine generator, generally uses at present; Adopt the structure of a fan and a heat exchanger plates mostly, wherein, be cooled when making thermal current through heat exchanger plates by the inner air circulation of fans drive generating set; Owing to only carry out a heat exchange, so its cooling effectiveness is lower; And; Because heat exchanger plates is set at the top of generator windings, therefore must leak on the winding to prevent the cooling fluid in the heat exchanger plates by the config set tank, just can avoid leaking the winding that is caused and damage because of cooling fluid; So; Make that not only the structure of wind-driven generator of prior art is numerous and diverse, manufacturing cost increases, and exists because of cooling fluid and leak the accident potential that causes winding to damage.
The utility model content
The utility model provides a kind of wind-driven generator, and it is lower and exist because of cooling fluid and leak the technical problem that causes the accident potential that winding damages to have solved the cooling device cooling effectiveness of wind-driven generator of prior art.
A kind of wind-driven generator that the utility model provided comprises: generator housing, is arranged on the inner alternator shaft of generator housing, is arranged on generator windings, fan, heat exchange unit, coolant pump and radiator on the alternator shaft, wherein:
Said fan is arranged on a side of generator windings, in order to the hot-air in the said generator windings is taken out to said heat exchange unit;
Said heat exchange unit comprises one-level heat exchanger plates and secondary heat exchanger plates; Said one-level heat exchanger plates and secondary heat exchanger plates are arranged on the below of said generator windings at each interval; In order to said hot-air is cooled off through the secondary heat exchanger plates after the cooling of one-level heat exchanger plates again, the inside of said one-level heat exchanger plates and secondary heat exchanger plates is formed with the but logical pipeline of flow of cooling;
Said coolant pump is connected with the cooling liquid inlet of said one-level heat exchanger plates and secondary heat exchanger plates, flows in order to the liquid circulation that drives in the said heat exchanger plates;
Said radiator is connected with the cooling liquid outlet of said one-level heat exchanger plates and secondary heat exchanger plates, uses so that the cooling fluid after heating up is cooled off again.
In the aforesaid wind-driven generator, said fan is arranged on the alternator shaft of said generator windings one side, and can together rotate with said alternator shaft.
In the aforesaid wind-driven generator, when the quantity of said generator windings was two, the quantity of said fan and said one-level heat exchanger plates also was two, wherein:
Two said fans are separately positioned on the alternator shaft of an opposing side of two generator windings; And the blade angle of two said fans is opposite, in order to the hot-air in said two generator windings is taken out to two said one-level heat exchanger plates along opposite flow path respectively;
Two said one-level heat exchanger plates are separately positioned on the below of two generator windings, and are in respectively in the flow path of the hot-air that two said fans form.
In the aforesaid wind-driven generator, said secondary heat exchanger plates is arranged between two said one-level heat exchanger plates, and is located in the same horizontal plane with two said one-level heat exchanger plates.
In the aforesaid wind-driven generator, form two-stage cool cycles air channel between said one-level heat exchanger plates and secondary heat exchanger plates and the said generator windings, wherein, separate through the air channel dividing plate with the air side mutually the inlet side of said one-level heat exchanger plates; The air side of said one-level heat exchanger plates is connected with the inlet side of said secondary heat exchanger plates; Separate through the air channel dividing plate with the air side mutually the inlet side of said secondary heat exchanger plates; Separate through the air channel dividing plate with the inlet side of said one-level heat exchanger plates mutually the air side of said secondary heat exchanger plates.
In the aforesaid wind-driven generator, said coolant pump is arranged on the outside of said generator housing, and is connected with the cooling liquid inlet of said one-level heat exchanger plates and secondary heat exchanger plates through pipeline.
In the aforesaid wind-driven generator; Said radiator is arranged on the outside of said generator housing; And be connected with the cooling liquid outlet of said one-level heat exchanger plates and secondary heat exchanger plates through pipeline, and flow to said coolant pump through pipeline general cooled cooling fluid again.
The wind-driven generator that the utility model provided owing to through one-level heat exchanger plates and secondary heat exchanger plates the hot-air that produces in the generator windings is carried out the heat exchange cooling at twice, has therefore improved cooling effectiveness greatly; And; Because above-mentioned heat exchanger plates is set at the below of generator windings, therefore need not the config set tank prevents that the cooling fluid in the heat exchanger plates from leaking on the winding, so; Not only simplified the structure of wind-driven generator; Reduced manufacturing cost, and avoided leaking and caused generator windings to damage, thereby it is lower and exist because of cooling fluid and leak the technical problem that causes the accident potential that winding damages to have solved the cooling device cooling effectiveness of wind-driven generator of prior art because of cooling fluid.
Description of drawings
Fig. 1 is the structural representation of the wind-driven generator of the utility model embodiment;
Fig. 2 is the structural representation of the cooling fluid circulation pipeline in the heat exchanger plates of wind-driven generator of the utility model embodiment.
Embodiment
Below through specific embodiment and combine accompanying drawing that the utility model is done further detailed description.
A kind of wind-driven generator that the utility model provided comprises: generator housing, is arranged on the inner alternator shaft of generator housing, is arranged on generator windings, fan, heat exchange unit, coolant pump and radiator on the alternator shaft, wherein:
Fan is arranged on a side of generator windings, in order to the hot-air in the generator windings is taken out to heat exchange unit; Heat exchange unit comprises one-level heat exchanger plates and secondary heat exchanger plates; One-level heat exchanger plates and secondary heat exchanger plates are arranged on the below of generator windings at each interval; In order to hot-air is cooled off through the secondary heat exchanger plates after the cooling of one-level heat exchanger plates again, the inside of this one-level heat exchanger plates and secondary heat exchanger plates is formed with the but logical pipeline of flow of cooling; Coolant pump is connected with the cooling liquid inlet of one-level heat exchanger plates with the secondary heat exchanger plates, flows in order to the liquid circulation that drives in the heat exchanger plates; Radiator is connected with the cooling liquid outlet of one-level heat exchanger plates with the secondary heat exchanger plates, uses so that the cooling fluid after heating up is cooled off again.
The wind-driven generator that the utility model provided owing to through one-level heat exchanger plates and secondary heat exchanger plates the hot-air that produces in the generator windings is carried out the heat exchange cooling at twice, has therefore improved cooling effectiveness greatly; And; Because above-mentioned heat exchanger plates is set at the below of generator windings, therefore need not the config set tank prevents that the cooling fluid in the heat exchanger plates from leaking on the winding, so; Not only simplified the structure of wind-driven generator; Reduced manufacturing cost, and avoided leaking and caused generator windings to damage, thereby it is lower and exist because of cooling fluid and leak the technical problem that causes the accident potential that winding damages to have solved the cooling device cooling effectiveness of wind-driven generator of prior art because of cooling fluid.
Below, see also Fig. 1 and Fig. 2.Fig. 1 is the structural representation of the wind-driven generator of the utility model embodiment.Fig. 2 is the structural representation of the cooling fluid circulation pipeline in the heat exchanger plates of wind-driven generator of the utility model embodiment.
As shown in Figure 1; A kind of wind-driven generator that the utility model embodiment is provided be the double winding wind-driven generator (promptly; Be arranged at intervals with two generator windings on the same alternator shaft); This wind-driven generator comprises: generator housing 6, be arranged on the inner alternator shaft 7 of generator housing 6, be arranged on first generator windings 9 and second generator windings 10 on the alternator shaft 7, first fan 8, second fan 11, heat exchange unit, coolant pump 4 and radiator 5, wherein:
As shown in Figure 1; Heat exchange unit in the present embodiment comprises 1,3 and secondary heat exchanger plates 2 of two one-level heat exchanger plates; One-level heat exchanger plates 1 and secondary heat exchanger plates 2 each intervals also are arranged on the below of second generator windings 10 symmetrically; Simultaneously, one-level heat exchanger plates 3 and secondary heat exchanger plates 2 each intervals also are arranged on the below of first generator windings 9 symmetrically, and one-level heat exchanger plates 1 and 3 is in respectively in the flow path of second fan 11 and first fan, 8 formed hot-airs.Because one-level heat exchanger plates 1,3 and secondary heat exchanger plates 2 all are set at the below of generator windings; Therefore need not the config set tank prevents that the cooling fluid in the heat exchanger plates from leaking on the winding; So, not only simplify the structure of wind-driven generator, reduced manufacturing cost; And avoided damaging because of the cooling fluid leakage causes generator windings, thereby there is the technical problem of leaking the accident potential that causes the winding damage because of cooling fluid in the wind-driven generator that has solved prior art.
In addition; In the present embodiment, secondary heat exchanger plates 2 is arranged between two one-level heat exchanger plates 1 and 3, and is located in the same horizontal plane with two one-level heat exchanger plates 1 and 3; Between one-level heat exchanger plates 1, secondary heat exchanger plates 2 and second generator windings 10; And can form two-stage cool cycles air channel between one-level heat exchanger plates 3, secondary heat exchanger plates 2 and first generator windings 9, wherein, separate through air channel dividing plate 12 with the air side mutually the inlet side of one-level heat exchanger plates 1,3; The air side of one-level heat exchanger plates 1,3 is connected with the inlet side of secondary heat exchanger plates 2; Separate through air channel dividing plate 12 with the air side mutually the inlet side of secondary heat exchanger plates 2; Separate through air channel dividing plate 12 with the inlet side of one-level heat exchanger plates 1,3 mutually the air side of secondary heat exchanger plates 2; Thereby can be earlier after one-level heat exchanger plates 1 and 3 coolings with the hot-air that produces in second generator windings 10 and first generator windings 9; Again through 2 coolings of secondary heat exchanger plates; And the hot cold air of cooling front and back can not mixed each other through air channel dividing plate 12; Therefore, improve cooling effectiveness greatly, solved the lower technical problem of cooling device cooling effectiveness of the wind-driven generator of prior art.
As shown in Figure 2, in the present embodiment, the inside of one-level heat exchanger plates 1,3 and secondary heat exchanger plates 2 is formed with the but logical pipeline 20 of flow of cooling, and the structure of pipeline 20 is full of twists and turns, thereby has further strengthened the cooling effect of heat exchanger plates.
As depicted in figs. 1 and 2; Coolant pump 4 in the present embodiment is arranged on the outside of generator housing 6; And is connected with the cooling liquid inlet of one-level heat exchanger plates 1,3 and secondary heat exchanger plates 2 through pipeline (in figure shown in the dotted line), mobile in order to the liquid circulation in the driving heat exchanger plates.
As depicted in figs. 1 and 2; Radiator 5 in the present embodiment is arranged on the outside of generator housing 6; And be connected with the cooling liquid outlet of one-level heat exchanger plates 1,3 and secondary heat exchanger plates 2 through pipeline (in figure shown in the dotted line); Use so that the cooling fluid after heating up is cooled off again, and flow to coolant pump 4 through pipeline (shown in dotted line among the figure) cooled cooling fluid again.
If the simplex winding wind-driven generator (promptly; Only be provided with a generator windings on the alternator shaft); Then the wind-driven generator of the utility model can be varied to shown in the left-half among Fig. 1, only comprises: generator housing 6, be arranged on the inner alternator shaft 7 of generator housing 6, be arranged on first generator windings 9 on the alternator shaft 7, first fan 8, one-level heat exchanger plates 3, secondary heat exchanger plates 2, coolant pump 4 and radiator 5.The 26S Proteasome Structure and Function that it is concrete please refer to the detailed description of the double winding wind-driven generator of the foregoing description, repeats no more at this.No matter be the wind-driven generator of simplex winding; Or doublewound wind-driven generator; Because the wind-driven generator that the utility model provided has adopted the technological means of the two poles of the earth heat exchange and heat exchanger plates underlying; Therefore, than wind-driven generator of the prior art, it is higher and can avoid leaking the beneficial effect cause generator windings to damage because of cooling fluid all to have a cooling effectiveness.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of essence disengaging the utility model embodiment technical scheme of relevant art scheme.
Claims (7)
1. wind-driven generator comprises: generator housing, be arranged on the inner alternator shaft of generator housing, be arranged on generator windings, fan, heat exchange unit, coolant pump and radiator on the alternator shaft, it is characterized in that:
Said fan is arranged on a side of generator windings, in order to the hot-air in the said generator windings is taken out to said heat exchange unit;
Said heat exchange unit comprises one-level heat exchanger plates and secondary heat exchanger plates; Said one-level heat exchanger plates and secondary heat exchanger plates are arranged on the below of said generator windings at each interval; In order to said hot-air is cooled off through the secondary heat exchanger plates after the cooling of one-level heat exchanger plates again, the inside of said one-level heat exchanger plates and secondary heat exchanger plates is formed with the but logical pipeline of flow of cooling;
Said coolant pump is connected with the cooling liquid inlet of said one-level heat exchanger plates and secondary heat exchanger plates, flows in order to the liquid circulation that drives in the said heat exchanger plates;
Said radiator is connected with the cooling liquid outlet of said one-level heat exchanger plates and secondary heat exchanger plates, uses so that the cooling fluid after heating up is cooled off again.
2. wind-driven generator according to claim 1 is characterized in that, said fan is arranged on the alternator shaft of said generator windings one side, and can together rotate with said alternator shaft.
3. wind-driven generator according to claim 2 is characterized in that, when the quantity of said generator windings was two, the quantity of said fan and said one-level heat exchanger plates also was two, wherein:
Two said fans are separately positioned on the alternator shaft of an opposing side of two generator windings; And the blade angle of two said fans is opposite, in order to the hot-air in said two generator windings is taken out to two said one-level heat exchanger plates along opposite flow path respectively;
Two said one-level heat exchanger plates are separately positioned on the below of two generator windings, and are in respectively in the flow path of the hot-air that two said fans form.
4. wind-driven generator according to claim 3 is characterized in that, said secondary heat exchanger plates is arranged between two said one-level heat exchanger plates, and is located in the same horizontal plane with two said one-level heat exchanger plates.
5. according to the arbitrary described wind-driven generator of claim 1 to 4; It is characterized in that; Form two-stage cool cycles air channel between said one-level heat exchanger plates and secondary heat exchanger plates and the said generator windings, wherein, separate through the air channel dividing plate with the air side mutually the inlet side of said one-level heat exchanger plates; The air side of said one-level heat exchanger plates is connected with the inlet side of said secondary heat exchanger plates; Separate through the air channel dividing plate with the air side mutually the inlet side of said secondary heat exchanger plates; Separate through the air channel dividing plate with the inlet side of said one-level heat exchanger plates mutually the air side of said secondary heat exchanger plates.
6. according to the arbitrary described wind-driven generator of claim 1 to 4, it is characterized in that said coolant pump is arranged on the outside of said generator housing, and be connected with the cooling liquid inlet of said one-level heat exchanger plates and secondary heat exchanger plates through pipeline.
7. according to the arbitrary described wind-driven generator of claim 1 to 4; It is characterized in that; Said radiator is arranged on the outside of said generator housing; And be connected with the cooling liquid outlet of said one-level heat exchanger plates and secondary heat exchanger plates through pipeline, and flow to said coolant pump through pipeline general cooled cooling fluid again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200717345U CN202444377U (en) | 2012-02-29 | 2012-02-29 | Wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200717345U CN202444377U (en) | 2012-02-29 | 2012-02-29 | Wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202444377U true CN202444377U (en) | 2012-09-19 |
Family
ID=46825807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200717345U Expired - Lifetime CN202444377U (en) | 2012-02-29 | 2012-02-29 | Wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202444377U (en) |
-
2012
- 2012-02-29 CN CN2012200717345U patent/CN202444377U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |