CN202793784U - Coupler protective device of wind generating set - Google Patents
Coupler protective device of wind generating set Download PDFInfo
- Publication number
- CN202793784U CN202793784U CN 201220391098 CN201220391098U CN202793784U CN 202793784 U CN202793784 U CN 202793784U CN 201220391098 CN201220391098 CN 201220391098 CN 201220391098 U CN201220391098 U CN 201220391098U CN 202793784 U CN202793784 U CN 202793784U
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- speed
- rotating speed
- generator
- control system
- shaft
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- Control Of Eletrric Generators (AREA)
Abstract
The utility model relates to a coupler protective device of a wind generating set, which comprises a gearbox (1), an access switch (2), a speed-measuring fluted disc (9), a high-speed shaft coupler (3), a generator (4), a converter (10) and a main fan control system (7), wherein the access switch (2) and the speed-measuring fluted disc (9) are used for measuring the rotation speed of a high-speed shaft at the side of the gearbox; the access switch (2) is fixed on the gearbox through an installation bracket; the speed-measuring fluted disc (9) is installed on a shaft sleeve of the coupler (3) between the gearbox (1) and the generator (4); the generator (4) is connected to the output end of the coupler (3); the converter (10) is used for measuring the rotation speed of the generator and outputting the rotation speed to the main fan control system (7); and the access switch is used for outputting the rotation speed of the high-speed shaft at the side of the gearbox to the main fan control system (7). According to the utility model, the purpose of protecting the coupler is achieved; for two sets of access switches and speed-measuring fluted disc devices, the manner is more convenient to realize; simultaneously, the fault rate is reduced; investment of a set of access switch and speed-measuring fluted disc device is reduced; and the cost is reduced.
Description
Technical field:
The utility model belongs to wind power generation field, relates to a kind of device to the protection of wind power generating set shaft coupling and verification.
Background technology:
In recent years, wind energy is widely used as a kind of inexhaustible renewable green energy resource, wherein a kind of mode has been applied to wind generating technology exactly, and the wind energy power station of China is through for successive years high speed development, and total installation of generating capacity has come Asia first.
As everyone knows, the output investment ratio of wind power generating set is larger, and cost is higher, and is therefore quite important to the protection of wind power generating set critical component, equipment.The high speed shaft shaft coupling is a vitals in the wind-powered electricity generation unit, adopts two covers near switch and speed measuring fluted disc device to its protection, and not only mounting process requires height, and failure rate is high.
The utility model content:
The purpose of this utility model has provided a kind ofly can overcome defects, make wind power generating set more the shaft coupling protection of reliability service and the method for verification.Its technical scheme is:
Comprise gear case, the approach switch that is used for prototype gear case side high speed shaft rotating speed and speed measuring fluted disc, high speed shaft shaft coupling, generator, current transformer, blower fan master control system; Described approach switch is fixed on gear case by mounting bracket; Described speed measuring fluted disc is installed on the axle sleeve of the described shaft coupling between described gear case and the described generator; Described generator is connected to the output terminal of described shaft coupling; Current transformer is measured the rotating speed of generator, and exports the blower fan master control system to; Described approach switch exports gear box side high speed shaft rotating speed to the blower fan master control system.
Further, described current transformer comprises pulse voltage speed measuring module and alternator speed measurement module.
Further, the blower fan master control system comprises rotation speed measuring module and rotating speed correction verification module; Described approach switch exports gear box side high speed shaft rotating speed to rotation speed measuring module; The rotating speed correction verification module compares verification to rotating speed and the gear box side high speed shaft rotating speed of generator.
The utility model has the advantages that: utilize inner Gpulse (pulse voltage tests the speed) module of current transformer and Gspeed (alternator speed measurement) module to carry out the measurement of generator speed; the rotating speed of generating pusher side adopts communication modes to be sent to the interior rotating speed correction verification module of master control system; the rotating speed of high speed shaft of gearbox side is sent to the rotating speed correction verification module by rotation speed measuring module; carry out two verifications between the rotating speed by the parameter of the setting in the rotating speed correction verification module, reach the purpose of protection shaft coupling.Relative two covers of this mode are convenient to realize near switch and speed measuring fluted disc device more, have reduced simultaneously failure rate, have reduced the input of a cover near switch and speed measuring fluted disc device, have reduced cost.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Wherein: 1 is gear case; 2 is approach switch; 9 is speed measuring fluted disc; 3 is the high speed shaft shaft coupling; 4 is generator; 5 are Gpulse (pulse voltage tests the speed) module; 6 is Gspeed (alternator speed measurement) module; 7 is the blower fan master control system; 8 is the rotating speed correction verification module; 10 are the stream device; 11 is rotation speed measuring module.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
As shown in Figure 1, this protective device comprises: gear case (1), the approach switch (2) that is used for prototype gear case side high speed shaft rotating speed and speed measuring fluted disc (9), high speed shaft shaft coupling (3), generator (4), current transformer (10), blower fan master control system (7); Described current transformer (10) comprises pulse voltage speed measuring module (5) and alternator speed measurement module (6).Blower fan master control system (7) comprises rotation speed measuring module (11) and rotating speed correction verification module (8).
Described approach switch (2) is fixed on gear case by mounting bracket; Described speed measuring fluted disc (9) is installed on the axle sleeve of the described shaft coupling (3) between described gear case (1) and the described generator (4); Described generator (4) is connected to the output terminal of described shaft coupling (3); Blower fan master control system (7) comprises the rotating speed of rotation speed measuring module (11) and rotating speed correction verification module (8) measurement generator, and exports blower fan master control system (7) to; Described approach switch exports gear box side high speed shaft rotating speed to rotation speed measuring module (11); Rotating speed correction verification module (8) compares verification to rotating speed and the gear box side high speed shaft rotating speed of generator.
In embodiment shown in Figure 1: the rotating speed of gear case 1 side high speed shaft is measured by approach switch 2 and speed measuring fluted disc 9 and signal is reached rotation speed measuring module 11, the rotating speed of generator 4 sides utilizes current transformer 10 inside to measure by Gpulse (pulse voltage tests the speed) module 5 and Gspeed (alternator speed measurement) module 6, first measure generator voltage signal frequency f by the Gpulse module, export a spike train and enter the Gspeed module, after the Gspeed resume module pulse being converted into corresponding rotating speed adopts communication modes to send blower fan master control system 7 interior rotating speed correction verification modules 8 to, and compare verification with high speed shaft of gearbox rotating speed that master control system 7 interior rotation speed measuring modules 11 measure, according to the correlation parameter that control system is set, judge whether shaft coupling is normal.
Claims (3)
1. the protective device of a wind power generating set shaft coupling is characterized in that: comprise gear case (1), the approach switch (2) that is used for prototype gear case side high speed shaft rotating speed and speed measuring fluted disc (9), high speed shaft shaft coupling (3), generator (4), current transformer (10), blower fan master control system (7);
Described approach switch (2) is fixed on gear case by mounting bracket; Described speed measuring fluted disc (9) is installed on the axle sleeve of the described shaft coupling (3) between described gear case (1) and the described generator (4); Described generator (4) is connected to the output terminal of described shaft coupling (3); Current transformer (10) is measured the rotating speed of generator, and exports blower fan master control system (7) to; Described approach switch exports gear box side high speed shaft rotating speed to blower fan master control system (7).
2. the protective device of wind power generating set shaft coupling according to claim 1, it is characterized in that: described current transformer (10) comprises pulse voltage speed measuring module (5) and alternator speed measurement module (6).
3. the protective device of wind power generating set shaft coupling according to claim 1, it is characterized in that: blower fan master control system (7) comprises rotation speed measuring module (11) and rotating speed correction verification module (8); Described approach switch exports gear box side high speed shaft rotating speed to rotation speed measuring module (11); Rotating speed correction verification module (8) compares verification to rotating speed and the gear box side high speed shaft rotating speed of generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391098 CN202793784U (en) | 2012-08-08 | 2012-08-08 | Coupler protective device of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391098 CN202793784U (en) | 2012-08-08 | 2012-08-08 | Coupler protective device of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793784U true CN202793784U (en) | 2013-03-13 |
Family
ID=47821028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220391098 Expired - Fee Related CN202793784U (en) | 2012-08-08 | 2012-08-08 | Coupler protective device of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202793784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278658A (en) * | 2013-06-04 | 2013-09-04 | 南京化工职业技术学院 | High-power motor rotation speed detection device |
| CN108757305A (en) * | 2018-04-25 | 2018-11-06 | 浙江运达风电股份有限公司 | A kind of high speed shaft of aerogenerator dynamic centering monitoring method and system |
-
2012
- 2012-08-08 CN CN 201220391098 patent/CN202793784U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278658A (en) * | 2013-06-04 | 2013-09-04 | 南京化工职业技术学院 | High-power motor rotation speed detection device |
| CN108757305A (en) * | 2018-04-25 | 2018-11-06 | 浙江运达风电股份有限公司 | A kind of high speed shaft of aerogenerator dynamic centering monitoring method and system |
| CN108757305B (en) * | 2018-04-25 | 2019-12-24 | 浙江运达风电股份有限公司 | Dynamic centering monitoring method and system for high-speed shaft of wind driven generator |
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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: MONGOLIA GEOHO ENERGY TECHNOLOGY CO.,LTD. Free format text: FORMER OWNER: XI'AN GEOHO ENERGY TECHNOLOGY CO., LTD. Effective date: 20140617 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710016 XI'AN, SHAANXI PROVINCE TO: 017000 ORDOS, INNER MONGOLIA AUTONOMOUS REGION |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140617 Address after: 017000 equipment manufacturing base of Erdos City, the Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Geoho Energy Technology Co., Ltd. Address before: 710016 No. ten, No. 99, Fengcheng Road, Shaanxi, Xi'an Patentee before: Xi'an Geoho Energy Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: NEI MONGGOL GEOHO ENERGY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MONGOLIA GEOHO ENERGY TECHNOLOGY CO.,LTD. Effective date: 20150331 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150331 Address after: 017000 the Inner Mongolia Autonomous Region Erdos City Dongsheng equipment manufacturing base Patentee after: INNER MONGOLIA GEOHO ENERGY EQUIPMENT CO., LTD. Address before: 017000 equipment manufacturing base of Erdos City, the Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Geoho Energy Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20180808 |