CN202789322U - High-speed shaft brake safety system of wind power generator set - Google Patents
High-speed shaft brake safety system of wind power generator set Download PDFInfo
- Publication number
- CN202789322U CN202789322U CN2012204270434U CN201220427043U CN202789322U CN 202789322 U CN202789322 U CN 202789322U CN 2012204270434 U CN2012204270434 U CN 2012204270434U CN 201220427043 U CN201220427043 U CN 201220427043U CN 202789322 U CN202789322 U CN 202789322U
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- speed shaft
- module
- high speed
- wind power
- generating set
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- 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
Abstract
The utility model discloses a high-speed shaft brake safety system of a wind power generator set, and the high-speed shaft brake safety system comprises a high-speed shaft rotation speed detection module and a high-speed shaft brake module, and the high-speed shaft brake safety system also comprises a safety module, wherein the safety module comprises a safety module input unit and a relay output unit which is connected with the safety module input unit; an output end of the high-speed shaft rotation speed detection module is connected with the safety module input unit, and the relay output unit is connected with the high-speed shaft brake module; and when after the safety module receives an instruction for triggering a high-speed shaft to brake, if the rotation speed of the high-speed shaft stays atis judged to be lower than a rated value, the high-speed shaft brake module is directly triggered by the relay output unit. Since the high-speed shaft brake module is driven by the safety module, the intermediate link is reducedomitted, the safety level of the safety system is improved, and the reliability in running of a the wind power generator set is guaranteed.
Description
Technical field
The utility model relates to the wind power generating set field of security systems, particularly, relates to a kind of wind power generating set high speed shaft braking safe system.
Background technique
In recent years, Wind Power In China industry high speed development, electric motor power is doubled year after year.Along with the extensive development of wind-powered electricity generation, the wind power generating set technology is ripe gradually, and is stricter to wind power generating set reliability of operation and security requirement.Aspect the safe operation of assurance wind power generating set, safety system plays great role.
As shown in Figure 1, existing wind power generating set high speed shaft braking safe system, comprise high speed shaft rotating speed testing module, security module, master control system, relay, high speed shaft brake module, when emergency stop button triggering wind power generating set high speed shaft braking safe system carries out the high speed shaft brake, need by the master control system trigger relay, thereby reduced level of security.When master control system breaks down or relay all can not trigger reliably the high speed shaft brake when breaking down, can not finish the wind power generating set emergency shutdown.If high speed shaft brake misoperation will cause damage to the wind power generating set high speed shaft in the situation that does not need the high speed shaft brake, threaten the wind power generating set safe operation.
The model utility content
The purpose of this utility model provides a kind of wind power generating set high speed shaft braking safe system, can't trigger reliably the defective of high speed shaft brake in the time of can overcoming master control system fault of the prior art, simultaneously, reduce the wearing and tearing risk of high speed shaft, avoid occurring the wind power generating set major accident, can improve the level of security of safety system.
To achieve these goals, the utility model adopts following technological scheme:
A kind of wind power generating set high speed shaft braking safe system, comprise high speed shaft rotating speed testing module and high speed shaft brake module, also comprise security module, the relay output unit that described security module includes the security module input unit and is connected with the security module input unit; The output terminal of described high speed shaft rotating speed testing module connects the security module input unit, and the relay output unit connects the high speed shaft brake module.
Further, also comprise the relay output detections module that is connected with the relay output unit of described security module, described security module also comprises the alarm unit that is connected with described relay output detections module.
Further, described high speed shaft brake module function realizes by hydraulic system of wind power generating set.
Further, described security module and relay output detections module are installed in the wind generating set engine room control cabinet, and described high speed shaft rotating speed testing module and high speed shaft brake module are installed in the wind generating set engine room.
The utility model is owing to take above technological scheme, and it has the following advantages:
1, the utility model has reduced medium tache owing to directly drive the high speed shaft brake module by security module, therefore improved safety system level of security, guaranteed the wind power generating set reliable operation.
2, the utility model is owing to be provided with high speed shaft rotating speed testing module, and security module has reduced the risk of the wearing and tearing of high speed shaft judging that the high speed shaft rotating speed then triggers the high speed shaft brake module when being lower than certain rating value, avoids occurring the wind power generating set major accident.
3, the utility model is owing to be provided with security module relay output detections module, can monitor the high speed shaft action message that whether brakes, if do not move immediately trigger alarm, strengthened the monitoring function to safety system, thereby improved the reliability of wind power generating set.
4, the utility model is owing to be to design on the basis of the original electrical system of wind-powered electricity generation unit, therefore have be widely used, practical characteristics.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is wind power generating set high speed shaft braking safe system architecture diagram of the prior art;
Fig. 2 is wind power generating set high speed shaft braking safe system architecture diagram of the present utility model;
Fig. 3 is wind power generating set high speed shaft braking safe security of system controlling method flow chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in Figure 2, a kind of wind power generating set high speed shaft braking safe of the present utility model system, comprise high speed shaft rotating speed testing module and high speed shaft brake module, also comprise security module, the relay output unit that security module includes the security module input unit and is connected with the security module input unit; The output terminal of high speed shaft rotating speed testing module connects the security module input unit, and the relay output unit connects the high speed shaft brake module, and among the figure, emergency stop button is used for triggering high speed shaft braking safe system and carries out the high speed shaft brake.Compared with prior art, the security module of every typhoon power generator group is not carried out the high speed shaft brake by master control system, Control high speed shaft brake module in the utility model, carry out the high speed shaft brake and directly control the high speed shaft brake module by the relay output unit of security module, thereby reduced medium tache and reduced likelihood of failure, strengthened the safety system level of security.
In above-described embodiment, safety system also can comprise the relay output detections module that is connected with the relay output unit of security module, and security module also comprises the alarm unit that is connected with described relay output detections module.Wherein, relay output detections module can detect high speed shaft brake situation, if there is fault, reports to the police by alarm unit, and the attendant can in time be apprised of, and guarantees the wind power generating set safe and stable operation.
In the above-described embodiments, high speed shaft brake module function realizes by hydraulic system of wind power generating set.
In the above-described embodiments, security module and relay output detections module are installed in the wind generating set engine room control cabinet, and described high speed shaft rotating speed testing module and high speed shaft brake module are installed in the wind generating set engine room.
As shown in Figure 3, wind power generating set high speed shaft braking safe controlling method is:
When security module receives the wind power generating set emergency shutdown and need to trigger theft-resistant link chain (namely trigger high speed shaft brake) instruction; the security module input unit of security module judges whether the high speed shaft rotating speed from high speed shaft rotating speed testing module is lower than certain rating value, as be lower than rating value then security module relay output unit directly export control high speed shaft brake module and carry out the high speed shaft brake.After the high speed shaft brake module carries out the high speed shaft brake, security module relay output detections module detects high speed shaft brake situation (whether fault is arranged) according to the situation that high speed shaft brake feeds back to the relay output unit, if do not detect the high speed shaft brake then the alarm unit of security module is reported to the police.
In the above-described embodiments, security module input and output signal adopt digital quantity signal.
In sum, the utility model is under simple as far as possible electrical structure, the reliability of safety system, the effective risk of the wind power generating set safety system having been monitored, reduced the wearing and tearing of high speed shaft have been strengthened, avoid occurring the wind power generating set major accident, thereby strengthened wind power generating set reliability of operation and Security basis.Model utility have be widely used, practical characteristics, can be applicable in the wind-power electricity generation industry.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment the utility model is had been described in detail, for a person skilled in the art, it still can be made amendment to the technological scheme that previous embodiment is put down in writing, and perhaps part technical characteristics wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. wind power generating set high speed shaft braking safe system, comprise high speed shaft rotating speed testing module and high speed shaft brake module, it is characterized in that, also comprise security module, the relay output unit that described security module includes the security module input unit and is connected with the security module input unit;
The output terminal of described high speed shaft rotating speed testing module connects the security module input unit, and the relay output unit connects the high speed shaft brake module.
2. wind power generating set high speed shaft braking safe according to claim 1 system, it is characterized in that, also comprise the relay output detections module that is connected with the relay output unit of described security module, described security module also comprises the alarm unit that is connected with described relay output detections module.
3. wind power generating set high speed shaft braking safe according to claim 1 and 2 system is characterized in that described high speed shaft brake module function realizes by hydraulic system of wind power generating set.
4. wind power generating set high speed shaft braking safe according to claim 2 system, it is characterized in that, described security module and relay output detections module are installed in the wind generating set engine room control cabinet, and described high speed shaft rotating speed testing module and high speed shaft brake module are installed in the wind generating set engine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204270434U CN202789322U (en) | 2012-08-24 | 2012-08-24 | High-speed shaft brake safety system of wind power generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204270434U CN202789322U (en) | 2012-08-24 | 2012-08-24 | High-speed shaft brake safety system of wind power generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789322U true CN202789322U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204270434U Expired - Lifetime CN202789322U (en) | 2012-08-24 | 2012-08-24 | High-speed shaft brake safety system of wind power generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817776A (en) * | 2012-08-24 | 2012-12-12 | 国电联合动力技术有限公司 | High-speed spindle braking safety system for wind turbine generator systems and safety control method |
| EP3643915A1 (en) | 2018-10-25 | 2020-04-29 | General Electric Company | System and method for application of a brake for a wind turbine |
-
2012
- 2012-08-24 CN CN2012204270434U patent/CN202789322U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817776A (en) * | 2012-08-24 | 2012-12-12 | 国电联合动力技术有限公司 | High-speed spindle braking safety system for wind turbine generator systems and safety control method |
| EP3643915A1 (en) | 2018-10-25 | 2020-04-29 | General Electric Company | System and method for application of a brake for a wind turbine |
| US11274654B2 (en) | 2018-10-25 | 2022-03-15 | General Electric Company | System and method for application of a brake for a wind turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NATIONAL ELECTRIC NEW ENERGY TECHNOLOGY INSTITUTE Effective date: 20130703 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100009 HAIDIAN, BEIJING TO: 100000 HAIDIAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130703 Address after: 100000 Beijing City, Zhongguancun, South Street, building B, building No., level 56, level 16 Patentee after: GUODIAN UNITED POWER TECHNOLOGY Co.,Ltd. Patentee after: GUODIAN NEW ENERGY TECHNOLOGY INSTITUTE Address before: 100009, Beijing Haidian District Zhongguancun South Street, No. 56, building 16 square radius Patentee before: GUODIAN UNITED POWER TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |