CN200990538Y - Automatic constant speed device of power generator - Google Patents
Automatic constant speed device of power generator Download PDFInfo
- Publication number
- CN200990538Y CN200990538Y CN 200620045433 CN200620045433U CN200990538Y CN 200990538 Y CN200990538 Y CN 200990538Y CN 200620045433 CN200620045433 CN 200620045433 CN 200620045433 U CN200620045433 U CN 200620045433U CN 200990538 Y CN200990538 Y CN 200990538Y
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- Prior art keywords
- generator
- centrifugal gravity
- automatic constant
- electric generator
- gravity piece
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- Expired - Lifetime
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Abstract
The utility model relates to an electric generator automatic constant speed device, which comprises a flanged disc that is fixedly arranged inside the back end cover of the electric generator rotor shaft, and at least two arc-shaped centrifuge gravity blocks are evenly arranged on a flanged disc with the front and the back parts closely contacted. Wherein, the head part of each centrifuge gravity block is rotatablely connected with the flanged disc through a positioning pin, and the outer side is fixedly provided with a brake sheet; the gravity blocks are fixed inside the back end cover through a pulling spring to keep a certain distance between the brake sheet and the inner side of the back end cover. When the rotation speed of the electric generator is faster than the specified speed, a centrifuge force is stronger that the pulling force of the pulling spring, and the surface of the brake sheet contacts the surface of the inner hole circumference for the back end cover, thereby achieving the function of controlling the rotor shaft rotation speed of the electric generator and protecting the normal operation of the electric generator. The utility model has simple structure, and solves the problems that the moderate and small scaled wind energy electric generator is prone to run at high speed and burn out the electric apparatuses when in the strong wind.
Description
Technical field
The utility model relates to a kind of automatic Constant-Speed Unit, relates in particular to the automatic Constant-Speed Unit of a kind of generator.
Background technology
Wind power generation is one of regenerative resource of generally paying attention to of countries in the world, but the difficult problem that wind power generation has needs to solve is: the size differences of occurring in nature wind-force is very big, and very unstable, high speed rotating can be damaged the impeller of generator even burn generator during strong wind.Present middle-size and small-size wind-driven generator can produce overspeed operation when solution exceeds the quata to decide wind speed, in the time of can making the problem that wind-driven generator damages under the serious situation usually with turning to vertical axis and main frame partial center, allow when hypervelocity host computer side folk prescription facing the wind to reach the method for deceleration, but this structure owing to design complicated and again reason such as the accuracy of manufacture fail to reach requirement, so the generation actual error is big especially.Perhaps all there are a lot of deficiencies in the loaded method of output by the control of the Circuits System in controller generator, output loading by the control of the Circuits System in controller generator, just in case circuit electronic component change system Control Failure will make wind-driven generator damage.
Summary of the invention
The purpose of this utility model is to increase the constant speed rotation that a Machine guarding-automatic Constant-Speed Unit is controlled generator on the basis of the output loading method of Circuits System control generator again; protected generator, though make generator also can be safely under the situation of circuit electronic component change system Control Failure, normally work.
The purpose of this utility model is achieved in that
The automatic Constant-Speed Unit of the utility model generator has been quoted the structure and the principle of mechanically combining device, its ring flange is fastened on the other end of generator rotor shaft, under the effect of wind-force, promote fan blade and rotate and drive the generator amature rotation and drive automatic Constant-Speed Unit rotation again, utilize the principle of centrifugal force to realize the control of rotating speed.It comprises:
One ring flange is fixedly mounted in the rear end cap on the generator rotor shaft;
At least two centrifugal gravity pieces are arc, are distributed on the ring flange, and its head and ring flange are rotatably connected, and are fixed with brake block on its outside;
With the extension spring that the centrifugal gravity number of blocks equates, the one end is fixed on the centrifugal gravity piece, and the other end is fixed on the ring flange, and in setting rotating speed, under the effect of extension spring, the brake block on the gravity block and the endoporus of described rear end cap keep a gap.
Wherein, the afterbody of described each centrifugal gravity piece is resisted against on the head of adjacent centrifugal gravity piece, described centrifugal gravity piece is rotationally connected by alignment pin and ring flange, also be provided with split washer on the described alignment pin, the connecting portion of described extension spring and centrifugal gravity piece is near the afterbody or the middle part of centrifugal gravity piece, and the fixing end of described extension spring and ring flange also can be fixed on the head of adjacent centrifugal gravity piece.
The utility model is owing to adopted above-mentioned technical scheme, make it compared with prior art, have following advantage and good effect: the utility model is simple in structure, quick for installation and not high to required precision, the more important thing is to middle-size and small-size wind-driven generator changes at the circuit electronic component, also can safely, normally work under the situation of system's Control Failure provides guarantee.
Description of drawings
To embodiment of the present utility model and in conjunction with the description of its accompanying drawing, can further understand the purpose of this utility model, specific structural features and advantage by following.Wherein, accompanying drawing is:
Fig. 1 is the structural representation of the utility model one preferred embodiment;
Fig. 2 is the view of the utility model when the rotating speed of generator is lower than the setting rotating speed;
Fig. 3 is the view of the utility model when the rotating speed of generator is higher than the setting rotating speed.
Embodiment
As shown in Figure 1 and Figure 2, in the utility model one preferred embodiment, ring flange 1 is fixedly mounted in the rear end cap 2 on the generator rotor shaft, and three are arc centrifugal gravity piece 3, and head and the tail are evenly distributed on the ring flange 1 with offseting.The head of each centrifugal gravity piece 3 is connected by an alignment pin 4 rotationally with ring flange 1, also is provided with a split washer 7 and a pad 8 on each alignment pin 4, is fixed with a brake block 5 on the outside of each centrifugal gravity piece 3.Three extension springs 6, the one end is fixed on the middle part of centrifugal gravity piece 3, and the other end is fixed on the ring flange 1.
As shown in Figure 2, in setting rotating speed (in the present embodiment being 600 rev/mins), the pulling force of extension spring 6 is greater than centrifugal force, under the tension of three extension springs 6, three centrifugal gravity pieces 3 are that the centripetal force that the center of circle produces to axis direction makes brake block 5 not contact endoporus (endoporus at the brake block 5 positions) circumferential surface 9 of rear end cap 2 with three alignment pins 4, brake block 5 on the centrifugal gravity piece 3 keeps a gap 10 with the endoporus circumferential surface of rear end cap 2, keeps original rotating speed of generator.
As shown in Figure 3; when the rotating speed of generator is higher than setting rotating speed (in the present embodiment being 600 rev/mins); centrifugal force is greater than the pulling force of three extension springs 6 under action of centrifugal force; three centrifugal gravity pieces 3 are that the center of circle produces the centrifugal force of the endoporus of end cap (endoporus at brake block 5 positions) circumferential surface 9 directions backward with three alignment pins 4; make brake block 5 surfaces touch the endoporus circumferential surface 9 of rear end cap 2; the frictional force of Chan Shenging makes the rotation of rear end cap 2 be subjected to inhibition between the two; again because rear end cap 2 links together with generator rotor shaft; so reached the effect of control generator rotor shaft rotating speed; thereby make generator return to normal speed; reach the effect of the automatic constant speed of generator, protected the normal operation of generator.
This device can by designing and calculating, be designed rational size according to the actual conditions of the setting rotating speed of generator, has stronger adaptability.Though the utility model is illustrated hereinbefore according to preferred embodiment of the present utility model, but this does not represent that scope of the present utility model is confined to above-mentioned structure, an end fixing such as extension spring and ring flange in other embodiments also can be fixed on the head of adjacent centrifugal gravity piece, the quantity of associated components such as extension spring, centrifugal gravity piece need not be three, two, four even more a plurality ofly can realize the purpose of this utility model.The fixing position of extension spring and centrifugal gravity piece also can be at the afterbody of centrifugal gravity piece.Those skilled in the art can be developed the equivalent substitution structure that at an easy rate after reading above-mentioned explanation, and these equivalent alternative structure are also within the scope that this case requires.
Claims (7)
1. the automatic Constant-Speed Unit of generator is characterized in that, comprising:
One ring flange is fixedly mounted in the rear end cap on the generator rotor shaft;
At least two centrifugal gravity pieces are arc, are distributed on the ring flange, and its head and ring flange are rotatably connected, and are fixed with brake block on its outside;
With the extension spring that the centrifugal gravity number of blocks equates, the one end is fixed on the centrifugal gravity piece, and the other end is fixed on the ring flange, and in setting rotating speed, under the effect of extension spring, the brake block on the gravity block and the endoporus of described rear end cap keep a gap.
2. the automatic Constant-Speed Unit of generator as claimed in claim 1 is characterized in that: the quantity of described centrifugal gravity piece is three, and the afterbody of each centrifugal gravity piece is resisted against on the head of adjacent centrifugal gravity piece.
3. the automatic Constant-Speed Unit of generator as claimed in claim 1 or 2 is characterized in that: described centrifugal gravity piece is rotationally connected by alignment pin and ring flange.
4. the automatic Constant-Speed Unit of generator as claimed in claim 3 is characterized in that: also be provided with split washer on the described alignment pin.
5. the automatic Constant-Speed Unit of generator as claimed in claim 1 or 2 is characterized in that: the connecting portion of described extension spring and centrifugal gravity piece is near the afterbody of centrifugal gravity piece.
6. the automatic Constant-Speed Unit of generator as claimed in claim 1 or 2 is characterized in that: the connecting portion of described extension spring and centrifugal gravity piece is near the middle part of centrifugal gravity piece.
7. the automatic Constant-Speed Unit of generator as claimed in claim 1 or 2 is characterized in that: the fixing end of described extension spring and ring flange also can be to be fixed on the head of adjacent centrifugal gravity piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045433 CN200990538Y (en) | 2006-08-31 | 2006-08-31 | Automatic constant speed device of power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045433 CN200990538Y (en) | 2006-08-31 | 2006-08-31 | Automatic constant speed device of power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200990538Y true CN200990538Y (en) | 2007-12-12 |
Family
ID=38941572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620045433 Expired - Lifetime CN200990538Y (en) | 2006-08-31 | 2006-08-31 | Automatic constant speed device of power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200990538Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633799A (en) * | 2012-08-29 | 2014-03-12 | 杨荷 | Automatic continuous speed change permanent magnetism brushless wheel hub motor |
-
2006
- 2006-08-31 CN CN 200620045433 patent/CN200990538Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633799A (en) * | 2012-08-29 | 2014-03-12 | 杨荷 | Automatic continuous speed change permanent magnetism brushless wheel hub motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: HUANG RONGQUAN ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Huang Rongquan Number: 50 Page: The title page Volume: 23 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Huang Rongquan Number: 50 Volume: 23 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: HUANG RONGQUAN ^ |
|
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN SINO-GERMAN WIND POWER ENERGY LIMITED Free format text: FORMER OWNER: SHANGHAI ZHONGDE METAL PRODUCTS CO., LTD.; PATENTEE Effective date: 20080425 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080425 Address after: China Guangdong city of Dongguan province Yong Ou Machong Town Industrial Zone, 523140 Patentee after: Dongguan C&G Wind Power Co., Ltd. Address before: No. 36, Jin Liang Road, Shanghai Zhu Qiao Airport Industrial Park, zip code: 201302 Co-patentee before: Huang Rongquan Patentee before: Shanghai Zhong De metal products Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI YUE FENG NEW ENERGY TECHNOLOGY CO. Free format text: FORMER OWNER: DONGGUAN SINO-GERMAN WIND POWER ENERGY LIMITED Effective date: 20091030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091030 Address after: Shanghai City, Pudong New Area Chuansha new town Shiwan six road No. 766, building 1, zip code: 201202 Patentee after: Shanghai Yuefeng Renewable Energy Co., Ltd. Address before: China Guangdong city of Dongguan province Yong Ou Machong Town Industrial Zone, 523140 Patentee before: Dongguan C&G Wind Power Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071212 |
|
| EXPY | Termination of patent right or utility model |