CN203116962U - Detection device for wind driven generator coupling slipping failure - Google Patents
Detection device for wind driven generator coupling slipping failure Download PDFInfo
- Publication number
- CN203116962U CN203116962U CN 201320119424 CN201320119424U CN203116962U CN 203116962 U CN203116962 U CN 203116962U CN 201320119424 CN201320119424 CN 201320119424 CN 201320119424 U CN201320119424 U CN 201320119424U CN 203116962 U CN203116962 U CN 203116962U
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- disc
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- wind driven
- driven generator
- coded disc
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Abstract
The utility model discloses a detection device for a wind driven generator coupling slipping failure. The detection device for the wind driven generator coupling slipping failure comprises a first coded disc, a first high-frequency approach switch, a second high-frequency approach switch, a second coded disc and a main control system, wherein notches which are evenly distributed along the first coded disc are arranged in the outer side of the first coded disc, notches which are evenly distributed along the second coded disc are arranged in the outer side of the second coded disc, the first coded disc is arranged on an output shaft of a gear box, the second coded disc is arranged on a main shaft of a generator, the first high-frequency approach switch and the second high-frequency approach switch are arranged at two ends of a coupling respectively, the first high-frequency approach switch is arranged on the outer side of the first coded disc, the second high-frequency approach switch is arranged on the outer side of the second coded disc, and the main control system is connected with the first high-frequency approach switch and the second high-frequency approach switch. According to the detection device for the wind driven generator coupling slipping failure, the accurate number of the slipping degree of the coupling can be known in real time under the condition of not stopping a draught fan and not conducting on-site observation, generating efficiency of the draught fan is improved, no maintainer is needed to conduct on-site slipping degree number statistics, and work tasks of the maintainer are reduced.
Description
Technical field
The utility model belongs to wind power generation field, is specifically related to the pick-up unit that a kind of wind driven generator coupler skids and lost efficacy.
Background technology
Wind power generating set for double-fed type, need to install wheel box between wind wheel and the generator and carry out speedup, and transmit moment of torsion by spring coupling between the output terminal of gear case and the generator, transmission between gear case and the generator belongs to the high-speed overload transmission, and it is the effect of dynamic property that the installation shaft coupling has buffering, vibration damping and raising axle.In the fan operation process, torque transmitted also is constantly to change on the shaft coupling, and when torque transmitted skidding can take place during greater than nominal torque, or instantaneous torque is excessive also can skid.According to the shaft coupling standard, skidding surpasses 100,000 degree, and shaft coupling lost efficacy, and skidded and will safeguard processing above the number of degrees of appointment.Because shaft coupling is to move in a circle, adopt the general crossing mode, can't reach the skid requirement of the number of degrees of accurate statistics.Need stop blower fan and go field observation, could understand the situation of skidding and formulate maintenance plan, influence the generating efficiency of blower fan.
Therefore, the pick-up unit that needs a kind of wind driven generator coupler to skid to lose efficacy is to address the above problem.
The utility model content
The utility model purpose: the utility model is at not having to detect automatically the skid defective of the device that lost efficacy of wind driven generator coupler, the pick-up unit that provides a kind of wind driven generator coupler to skid and lost efficacy in the prior art.
Technical scheme: for solving the problems of the technologies described above, the wind driven generator coupler of the present utility model pick-up unit that lost efficacy that skids adopts following technical scheme:
The pick-up unit that a kind of wind driven generator coupler skids and lost efficacy, described aerogenerator comprises gearbox output shaft, shaft coupling and generator shaft, described shaft coupling connects described gearbox output shaft and generator shaft, described pick-up unit comprises first code-disc, first high frequency is near switch, second high frequency is near switch, second code-disc and master control system, the arranged outside of described first code-disc has along the equally distributed breach of the described first code-disc circumference, the arranged outside of described second code-disc is along the equally distributed breach of the described second code-disc circumference, described first code-disc is arranged on the described gearbox output shaft, described second code-disc is arranged on the described generator shaft, described first high frequency is separately positioned on the two ends of described shaft coupling near switch near switch and second high frequency, described first high frequency is positioned at the outside of described first code-disc near switch, described second high frequency is positioned at the outside of described second code-disc near switch, described master control system connect described first high frequency near switch and second high frequency near switch.
Further, described first code-disc is provided with 120-240 breach.
Further, described first code-disc is provided with 180 breach.
Further, described second code-disc is provided with 120-240 breach.
Further, described second code-disc is provided with 180 breach.
Further, also comprise warning device, described warning device connects described master control system.
Beneficial effect: the skid pick-up unit that lost efficacy of wind driven generator coupler of the present utility model can not stop to understand in real time under the situation that blower fan goes field observation the shaft coupling number of degrees that skid accurately.When the number of degrees that skid are less near 100,000 degree while wind speed, shaft coupling is safeguarded processing, improved the blower fan generating efficiency.Also go skid number of degrees statistics of scene without the maintainer, alleviated the work of maintenance personnel task.
Description of drawings
The structural representation of the pick-up unit that Fig. 1 lost efficacy for wind driven generator coupler of the present utility model skids.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
See also shown in Figure 1, the pick-up unit that wind driven generator coupler of the present utility model skids and lost efficacy, aerogenerator comprises gearbox output shaft 1, shaft coupling 4 and generator shaft 7, shaft coupling 4 connects gearbox output shaft 1 and generator shafts 7.Pick-up unit comprise first code-disc 2, first high frequency near switch 3, second high frequency near switch 5, second code-disc 6 and the master control system.The arranged outside of first code-disc 2 has along the equally distributed breach of first code-disc, 2 circumference, and first code-disc is provided with 120-240 breach.Preferably, first code-disc 2 is provided with 180 breach.The arranged outside of second code-disc 6 is along the equally distributed breach of second code-disc, 6 circumference, and second code-disc 6 is provided with 120-240 breach.Preferably, second code-disc 6 is provided with 180 breach.First code-disc 2 is arranged on the gearbox output shaft 1, second code-disc 6 is arranged on the generator shaft 7, first high frequency is separately positioned on the two ends of shaft coupling 4 near switch 5 near switch 3 and second high frequency, first high frequency is positioned at the outside of first code-disc 2 near switch 3, second high frequency is positioned at the outside of second code-disc 6 near switch 5, master control system connect first high frequency near switch 3 and second high frequency near switch 5.Also comprise warning device, warning device connects master control system.When the number of degrees that skid that add up surpass setting value, give the alarm and safeguard processing.
Inventive principle: the utility model compares by adding up the anglec of rotation of gearbox output shaft 1 and generator shaft 7 respectively, calculates the number of degrees that circumferencial direction skids.First code-disc 2 and second code-disc, 6, the first code-discs 2 are installed with gearbox output shaft 1 rotation on gearbox output shaft 1 and generator shaft 7 respectively, second code-disc 6 is with generator shaft 1 rotation.First code-disc 2 and second code-disc 6 are provided with equally distributed 180 breach.When aerogenerator moves; master control system can be added up the number of degrees of gearbox output shafts 1 and generator shaft 7 rotations respectively near switch 5 near switch 3 and second high frequency by first high frequency; after aerogenerator is shut down or continuous service 24 hours; master control system is just added up gearbox output shaft 1 and generator shaft 7 anglec of rotation differences; then the difference of these statistics is added up; when the angle value that adds up equals 100,000 when spending, send alarm.When the monitor staff spends near 100,000 by the angle of skidding of monitoring interface discovery shaft coupling 4, can be chosen under the less situation of wind speed shaft coupling 4 is safeguarded processing.
The skid pick-up unit that lost efficacy of wind driven generator coupler of the present utility model can not stop to understand in real time under the situation that blower fan goes field observation the shaft coupling number of degrees that skid accurately.When the number of degrees that skid are less near 100,000 degree while wind speed, shaft coupling is safeguarded processing, improved the blower fan generating efficiency.Also go skid number of degrees statistics of scene without the maintainer, alleviated the work of maintenance personnel task.
Claims (6)
1. the wind driven generator coupler pick-up unit that skids and lost efficacy, described aerogenerator comprises gearbox output shaft (1), shaft coupling (4) and generator shaft (7), described shaft coupling (4) connects described gearbox output shaft (1) and generator shaft (7), it is characterized in that, described pick-up unit comprises first code-disc (2), first high frequency is near switch (3), second high frequency is near switch (5), second code-disc (6) and master control system, the arranged outside of described first code-disc (2) has along the equally distributed breach of described first code-disc (2) circumference, the arranged outside of described second code-disc (6) is along the equally distributed breach of described second code-disc (6) circumference, described first code-disc (2) is arranged on the described gearbox output shaft (1), described second code-disc (6) is arranged on the described generator shaft (7), described first high frequency is separately positioned on the two ends of described shaft coupling (4) near switch (5) near switch (3) and second high frequency, described first high frequency is positioned at the outside of described first code-disc (2) near switch (3), described second high frequency is positioned at the outside of described second code-disc (6) near switch (5), described master control system connect described first high frequency near switch (3) and second high frequency near switch (5).
2. the wind driven generator coupler as claimed in claim 1 pick-up unit that skids and lost efficacy is characterized in that described first code-disc (2) is provided with 120-240 breach.
3. the wind driven generator coupler as claimed in claim 1 pick-up unit that skids and lost efficacy is characterized in that described first code-disc (2) is provided with 180 breach.
4. the wind driven generator coupler as claimed in claim 1 pick-up unit that skids and lost efficacy is characterized in that described second code-disc (6) is provided with 120-240 breach.
5. the wind driven generator coupler as claimed in claim 1 pick-up unit that skids and lost efficacy is characterized in that described second code-disc (6) is provided with 180 breach.
6. the wind driven generator coupler as claimed in claim 1 pick-up unit that skids and lost efficacy is characterized in that also comprise warning device, described warning device connects described master control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320119424 CN203116962U (en) | 2013-03-17 | 2013-03-17 | Detection device for wind driven generator coupling slipping failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320119424 CN203116962U (en) | 2013-03-17 | 2013-03-17 | Detection device for wind driven generator coupling slipping failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116962U true CN203116962U (en) | 2013-08-07 |
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ID=48897297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320119424 Expired - Lifetime CN203116962U (en) | 2013-03-17 | 2013-03-17 | Detection device for wind driven generator coupling slipping failure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203116962U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332861A (en) * | 2015-12-10 | 2016-02-17 | 内蒙古久和能源装备有限公司 | Pre-protecting system for slipping of wind driven generator coupler and detection control method |
| CN105510026A (en) * | 2015-12-10 | 2016-04-20 | 内蒙古久和能源装备有限公司 | Wind turbine generator system shaft coupling skidding fault detection apparatus and method |
| CN108386324A (en) * | 2018-04-25 | 2018-08-10 | 浙江运达风电股份有限公司 | A kind of wind-driven generator torque limiter health monitor method and device |
| CN108757340A (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 real-time status of the operation monitoring method and system |
| CN110174264A (en) * | 2019-06-14 | 2019-08-27 | 三一重能有限公司 | Wind power generating set shaft coupling skidding prior-warning device, wind-driven generator and method for early warning |
-
2013
- 2013-03-17 CN CN 201320119424 patent/CN203116962U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332861A (en) * | 2015-12-10 | 2016-02-17 | 内蒙古久和能源装备有限公司 | Pre-protecting system for slipping of wind driven generator coupler and detection control method |
| CN105510026A (en) * | 2015-12-10 | 2016-04-20 | 内蒙古久和能源装备有限公司 | Wind turbine generator system shaft coupling skidding fault detection apparatus and method |
| CN108386324A (en) * | 2018-04-25 | 2018-08-10 | 浙江运达风电股份有限公司 | A kind of wind-driven generator torque limiter health monitor method and device |
| CN108757340A (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 real-time status of the operation monitoring method and system |
| CN110174264A (en) * | 2019-06-14 | 2019-08-27 | 三一重能有限公司 | Wind power generating set shaft coupling skidding prior-warning device, wind-driven generator and method for early warning |
| CN110174264B (en) * | 2019-06-14 | 2021-08-24 | 三一重能股份有限公司 | Wind generating set coupler slippage early warning device, wind driven generator and early warning method |
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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: 20130807 |