CN205936988U - Wind generating set wheel hub and tower section of thick bamboo inner part drop and monitor alarm system - Google Patents
Wind generating set wheel hub and tower section of thick bamboo inner part drop and monitor alarm system Download PDFInfo
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- CN205936988U CN205936988U CN201620979924.5U CN201620979924U CN205936988U CN 205936988 U CN205936988 U CN 205936988U CN 201620979924 U CN201620979924 U CN 201620979924U CN 205936988 U CN205936988 U CN 205936988U
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Abstract
The utility model discloses a wind generating set wheel hub inner part drops and monitors alarm system, include: monitoring devices, locate become oar bearing inner ring on, including a plurality of monitoring light emitter and with each the monitoring light receiver of monitoring light emitter one -to -one, each group monitoring light emitter and monitoring light receiver constitute a monitoring light return circuit, the light beam in monitoring light return circuit forms the monitoring area that the wheel hub inner part will inevitablely pass through after dropping, alarm device, with monitoring devices electric connection is used for the basis monitoring devices's monitoring results sends alarm signal. This system adopts techniques such as laser shot, monitors the wheel hub inner part, can in time report to the police after the fracture of parts such as impeller bolt is dropped to solve present wheel hub inner part unable automatic alarm's the technical problem in time that drops. The utility model also discloses a wind generating set tower section of thick bamboo inner part drops and monitors alarm system.
Description
Technical field
This utility model is related to technical field of wind power, particularly to internal for impeller bolt to wind power generating set etc.
The warning system that part is monitored.This utility model further relates to carry out for inner parts such as the tower bolts to wind power generating set
The warning system of monitoring.
Background technology
, as blower fan rotary part, its internal part quantity is more for impeller, and part breaking and drop phenomenon occur once in a while,
Lead to smash the other parts in impeller, cause heavy losses, by wind power generating set impeller bolt fracture as a example, if can not and
Shi Faxian, easily causes cable and Harding's head, pitch motor rotation volume, the damage of pitch control cabinet, or even the operation safety to unit
Threaten, in the same manner, the part such as bolt within tower barrel of wind generating set there is also fracture and the risk coming off, therefore zero
Monitoring and shutdown immediately after part drops is very important.
Wind power generating set impeller bolt and tower internal-flange bolt fracture alarm rely primarily on showing of experience employee at present
Field is patrolled and examined, and the abnormal sound sending during by unit operation is judged, this bolt fracture type of alarm promptness depends on scene
Patrol and examine the frequency and employee work experience it is impossible to meet project scene bolt fracture after and alarm requirement.
In this regard, occurring in that a kind of device that bolt looseness and/or fracture can be warned in real time in prior art, its
Single bolt, using double-deck gasket construction, is reported to the police with the pad way of contact although be disclosure satisfy that promptness requires, but is needed
Using two-pad structure, and bolt is transformed, destroy the attachment structure of original bolt, and it breaks only for single bolt
Split or loose alarming, and up to a hundred easily, draught fan impeller bolt, therefore be suitable for using this apparatus structure safety, economy and space
Property substantially not high.
Therefore, the defect how overcoming above-mentioned monitor and alarm system to exist, is the skill that those skilled in the art need to solve
Art problem.
Utility model content
The purpose of this utility model is to provide a kind of wind generator unit wheel hub inner part to come off monitor and alarm system.This is
System, using technology such as laser-correlations, is monitored to hub interior part, can be timely after the component breakage such as impeller bolt drop
Reported to the police, thus solve current hub interior part drop cannot timely automated warning technical problem.
Of the present utility model another object is that a kind of tower barrel of wind generating set inner part of offer comes off monitor and alarm system.
This system adopts the technology such as laser-correlation, and tower part is monitored, after the component breakage such as tower bolt drop can and
Shi Jinhang report to the police, thus solve current tower part drop cannot timely automated warning technical problem.
For achieving the above object, this utility model provides a kind of wind generator unit wheel hub inner part to come off monitoring, alarming system
System, including：
Monitoring device, on pitch variable bearings internal ring, including some monitoring light emitters and with each described monitoring light
Line emitter monitors light receiver correspondingly, and monitoring light emitters described in each group and monitoring light receiver form
One monitoring light circuit, the light beam of described monitoring light circuit forms the monitoring section that hub interior part will necessarily pass through after the drops
Domain；
Alarm device, is electrically connected with described monitoring device, for sending report according to the monitoring result of described monitoring device
Alert signal.
Preferably, located at the bolt connection position of blade and wheel hub, described monitored area is parallel and covers for described monitoring device
Cover the manhole of described wheel hub.
Preferably, described monitoring device be laser-correlation device, including some generating lasers and with each described laser
The one-to-one laser pickoff of emitter, generating laser described in each group and laser pickoff form a laser loop；
The some parallel and tool laser beam at regular intervals composition laser beam monitoring plane of described laser-correlation device.
Preferably, the minimum dimension being smaller than described hub interior part of described laser beam.
Preferably, described laser-correlation device is installed on support, and described support is provided with connecting hole, and by bolt with described
Wheel hub is fixedly connected.
Preferably, described monitoring device is infrared shooting device, including some infrared transmitters and described infrared with each
The one-to-one infrared remote receiver of emitter, infrared transmitter described in each group and infrared remote receiver form an infrared ray and return
Road；The some parallel and tool infrared light beam at regular intervals composition infrared light beam monitoring of described infrared shooting device is put down
Face.
For realizing above-mentioned another object, this utility model provides a kind of tower barrel of wind generating set inner part to come off and monitors report
Alarm system, including：
Monitoring device, internal and parallel to tower bottom surface located at described tower, include some monitor light emitters and
Monitor light receiver with each described monitoring light emitters correspondingly, monitoring light emitters and monitoring described in each group
Light receiver forms a monitoring light circuit, and the light beam of described monitoring light circuit forms tower part after the drops will necessarily be through
The monitored area crossed；
Alarm device, is electrically connected with described monitoring device, for sending report according to the monitoring result of described monitoring device
Alert signal.
Preferably, described monitoring device be laser-correlation device, including some generating lasers and with each described laser
The one-to-one laser pickoff of emitter, generating laser described in each group and laser pickoff form a laser loop；
The some parallel and tool laser beam at regular intervals composition laser beam monitoring plane of described laser-correlation device.
Preferably, the minimum dimension being smaller than described tower part of described laser beam.
Preferably, described monitoring device is infrared shooting device, including some infrared transmitters and described infrared with each
The one-to-one infrared remote receiver of emitter, infrared transmitter described in each group and infrared remote receiver form an infrared ray and return
Road；The some parallel and tool infrared light beam at regular intervals composition infrared light beam monitoring of described infrared shooting device is put down
Face.
Wind generator unit wheel hub inner part provided by the utility model comes off monitor and alarm system, by wheel hub
Portion arranges monitoring device to set up monitored area, and whether the bolt to impeller and miscellaneous part come off and be monitored.With bolt
As a example, after having bolt fracture to come off in impeller, with the rotation of impeller, bolt can constantly drop into low from the eminence of impeller
Place, in this process, bolt can trigger monitoring device through set up monitored area, and alarm device receives feedback
Alarm signal can be sent after trigger immediately, reach the purpose of bolt fracture warning.This system is adopted with required warning bolt
Cordless designs, and does not affect the attachment structure of former bolt, the safety of former bolt arrangement will not be impacted；And pin
All effective to bolts all in impeller, will not additionally increase warning system due to the increase of follow-up optimization design bolt quantity
This.
In a kind of preferred version, by laser-correlation technology, in wheel hub, a monitoring is set up by laser beam flat
Face, impeller inner bolt fracture after, can with impeller rotation and fall, when bolt fall by monitor plane when, can block a branch of and
Above laser beam, now alarm device will send alarm signal, reach bolt fracture warning purpose.Due to the anti-interference energy of laser
Power is strong, little by ectocine, therefore this system alarm accuracy is higher.
Tower barrel of wind generating set inner part provided by the utility model comes off monitor and alarm system, sends out with above-mentioned wind-force
The come off monitoring mode of monitor and alarm system of group of motors hub interior part is substantially the same, due in described wind generator unit wheel hub
Element falling monitor and alarm system has above-mentioned technique effect, and therefore described tower barrel of wind generating set inner part comes off and monitors report
Alarm system also should have identical technique effect.
Brief description
Fig. 1 comes off monitor and alarm system for a kind of wind generator unit wheel hub inner part disclosed in this utility model embodiment
Structural representation；
Fig. 2 is the structural representation of laser-correlation device shown in Fig. 1.
In figure：
1. support 11. connecting hole 2. laser-correlation device 21. generating laser, 22. laser pickoff 23. laser is sent out
Emitter cable 24. laser pickoff cable, 3. alarm host machine, 4. wheel hub 5. manhole
Specific embodiment
Core of the present utility model be using intensive to penetrate laser beam form in wheel hub one monitoring plane, adopt
Passive cordless early warning bolt fracture, reports to the police in an integral manner to connecting bolt fracture in wheel hub.
In order that those skilled in the art more fully understand this utility model scheme, below in conjunction with the accompanying drawings and be embodied as
The utility model is described in further detail for mode.
Refer to Fig. 1, Fig. 2, Fig. 1 is that a kind of wind generator unit wheel hub inner part disclosed in this utility model embodiment takes off
Fall the structural representation of monitor and alarm system；Fig. 2 is the structural representation of laser-correlation device shown in Fig. 1.
As illustrated, in a kind of specific embodiment, inside wind generator unit wheel hub provided by the utility model
Part comes off monitor and alarm system, is mainly made up of parts such as support 1, laser-correlation device 2 and alarm host machine 3.
Laser-correlation device 2 by some generating lasers 21 and with each generating laser one-to-one laser pickoff
22 compositions, each group of generating laser 21 and laser pickoff 22 form a laser loop, some parallel and have certain between
Away from laser beam composition laser beam monitoring plane.Because this laser beam monitoring plane is on pitch variable bearings internal ring, therefore
The plane will necessarily being located from it when there being hub interior part to drop is passed through, so that alarm host machine 3 sends alarm signal.
The spacing of laser beam should be less than the minimum dimension of hub interior part, taking the bolt that blade is connected with wheel hub 4 as a example,
It has length and two basic parameters of diameter, and length is typically larger than diameter, then its minimum dimension a diameter of, laser beam
Spacing should be less than its diameter.That is, because hub interior part may be dropped through monitoring plane with any attitude, so
The minimum dimension of hub interior part should be the minima that it is gone up in any direction, and hub interior part so can be ensured with any appearance
State, when monitoring plane, at least can block wherein beam of laser, thus sending alarm signal.
Laser-correlation device 2 is installed on a support being made up of angle steel 1, this support 1 rectangular shaped, rises and supports entirely
The effect of monitoring system, generating laser 21 is arranged in rows in one end of support 1, and laser pickoff 22 is arranged in rows in support 2
The other end, support 1 is provided with connecting hole 11, so that laser-correlation device 2 is fixedly connected with wheel hub 4 by bolt.Specifically
Ground, laser-correlation device 2 is bolted on the bolt connection position of blade and wheel hub 4, and the monitored area that it is formed is put down
Go and cover the manhole 5 of wheel hub 4.
The Main Function of alarm host machine 3 is transmitting and the reception controlling laser signal, and is sent out according to the switching of laser signal
Go out alarm signal, it is fixing with support 1 that it passes through screw.
The Main Function of generating laser 21 is to produce laser beam, and it is connected with support 1 by screw, and is sent out by laser
Emitter cable 23 is connected with alarm host machine 3, is powered and transmission signal for emitter by generating laser cable 23, generating laser
Cable 23 can be fixed on support 1 using band；The Main Function of laser pickoff 22 is to receive laser signal, and it passes through screw
It is connected with support 1, and is connected with alarm host machine 3 by laser pickoff cable 24, be receptor by laser pickoff cable 24
Power supply transmission signal, laser pickoff cable 24 can be fixed on support 1 by band.
The operation principle of above-mentioned monitoring system is：Form one by 21, laser pickoff 22 of a generating laser
Laser loop, in systems according to locus size and hub interior part (only taking break bolt as a example illustrating below)
Minimum dimension, forms a laser plane closely knit enough by multiple generating lasers and receptor, when bolt fracture comes off,
Break bolt, by the plane by being made up of laser beam, now by a branch of and its above laser beam in blocking laser plane, is reported
Alert main frame 3 now sends alarm signal, and this signal is transferred to central control room through fan master control system, triggers alarm device.
For reach report to the police accurately and economy purpose, this system to be arranged in bolt must through minimum planes in, in view of
The feature of hub of wind power generator 4, only need to arrange this system in a root of blade, see accompanying drawing 1, in fig 2, manhole
5 is the current hole that certain type wind generator unit wheel hub 4 leads to blade, and this bore dia is φ 900mm, needs the minimum of warning bolt
A size of 50mm, therefore this system only needs to 18 generating lasers and 18 laser pickoffs, by this system laser
Plane is arranged in parallel with manhole 5.
The state in each loop monitored by alarm device, once the disconnected, logical of loop, then sends alarm.When need warning
Three node connecting bolts, during any one breaking releasing, with the rotation of impeller, break bolt will pass through laser plane,
Thus triggering warning.
This system and required warning bolt adopt less way of contact design, do not affect the integrated connection knot of former bolt joint
Structure, will not threaten to the safety of former bolt arrangement；This system is for all bolts in wheel hub 4 all effectively (by accompanying drawing 1
Warning system position understands), will not additionally increase warning system due to the increase of follow-up optimization design bolt quantity
This.Due to laser strong antijamming capability, little by ectocine, therefore this system alarm accuracy is higher.
Certainly, except laser-correlation device can also be used as monitoring device using other devices.Such as infrared emission dress
Put, when using infrared shooting device, infrared shooting device by some infrared transmitters and with a pair of each infrared transmitter 1
The infrared remote receiver composition answered, each group of infrared transmitter and infrared remote receiver form an infrared line loop, some parallel and
Has infrared light beam composition infrared light beam monitoring plane at regular intervals.
, after having bolt fracture to come off in impeller, with the rotation of impeller, bolt can be constantly from impeller taking bolt as a example
Eminence drop into lower, in this process, bolt can monitor plane through set up infrared light beam, block a branch of and
Its above infrared light beam, alarm host machine can send alarm signal after receiving the trigger of feedback immediately, reaches bolt
The purpose of fracture alarm.
Further, it is also possible to using infrared palisade device or photographic head dynamic tracking apparatus as monitoring device.When using red
During outer Fencing system, its infrared light beam forms the infrared light beam monitoring plane of paliform, and concrete operating principle is right with infrared
Injection device is similar to；When using photographic head dynamic tracking apparatus, its image pickup scope forms monitored area, passes through when there being bolt fracture
During monitored area, photographic head can capture this image in time, and then sends alarm signal by alarm host machine.
Except above-mentioned wind generator unit wheel hub inner part comes off monitor and alarm system, this utility model also provides a kind of wind
Power generator group tower inner part comes off monitor and alarm system, comes off monitor and alarm system with wind generator unit wheel hub inner part
Similar, it is also mainly made up of parts such as support, laser-correlation device and alarm host machine, and difference is, this system located at
Located at tower inside and parallel to tower bottom surface, form the monitored area that tower part will necessarily pass through after the drops, to monitor
The parts such as tower bolt whether breaking releasing, remaining structure refer to described above, is just not repeated for saving length.
In the same manner, the come off laser-correlation device of monitor and alarm system of tower barrel of wind generating set inner part can also replace with
Infrared shooting device, infrared palisade device or photographic head dynamic tracking apparatus, can realize this utility model purpose.
Above-described embodiment is only preferred version of the present utility model, is specifically not limited thereto, on this basis can basis
It is actually needed to make having and targetedly adjusts, thus obtaining different embodiments.For example, support 1 is designed as square
Or it is circular；Or, laser-correlation device 2 does not pass through support 1 and installs generating laser 21 and laser pickoff 22, but by laser
Emitter 21 and laser pickoff 22 are directly installed on inner side of wheel hub 4 etc..Because mode in the cards is more, here
No longer illustrate one by one.
Come off monitor and alarm system above to wind generator unit wheel hub provided by the utility model and tower inner part
It is described in detail.Specific case used herein is set forth to principle of the present utility model and embodiment, with
The explanation of upper embodiment is only intended to help understand core concept of the present utility model.It should be pointed out that for the art
For those of ordinary skill, on the premise of without departing from this utility model principle, some changing can also be carried out to this utility model
Enter and modify, these improve and modification also falls in this utility model scope of the claims.
Claims (10)
1. a kind of wind generator unit wheel hub inner part comes off monitor and alarm system it is characterised in that including：
Monitoring device, on pitch variable bearings internal ring, sends out including some monitoring light emitters and with each described monitoring light
Emitter monitors light receiver correspondingly, and monitoring light emitters described in each group and monitoring light receiver form one
Monitoring light circuit, the light beam of described monitoring light circuit forms the monitored area that hub interior part will necessarily pass through after the drops；
Alarm device, is electrically connected with described monitoring device, for sending alarm signal according to the monitoring result of described monitoring device
Number.
2. wind generator unit wheel hub inner part according to claim 1 comes off monitor and alarm system it is characterised in that institute
State the bolt connection position located at blade and wheel hub (4) for the monitoring device, described monitored area is parallel and covers described wheel hub (4)
Manhole (5).
3. wind generator unit wheel hub inner part according to claim 2 comes off monitor and alarm system it is characterised in that institute
Stating monitoring device is laser-correlation device (2), including some generating lasers (21) and with each described generating laser one by one
Corresponding laser pickoff (22), generating laser (21) described in each group and laser pickoff (22) form a laser and return
Road；The some parallel and tool laser beam at regular intervals composition laser beam monitoring plane of described laser-correlation device (2).
4. wind generator unit wheel hub inner part according to claim 3 comes off monitor and alarm system it is characterised in that institute
State the minimum dimension being smaller than described hub interior part of laser beam.
5. wind generator unit wheel hub inner part according to claim 4 comes off monitor and alarm system it is characterised in that institute
State laser-correlation device (2) and be installed on support (1), described support (1) is provided with connecting hole (11), and by bolt and described wheel hub
(4) it is fixedly connected.
6. wind generator unit wheel hub inner part according to claim 2 comes off monitor and alarm system it is characterised in that institute
Stating monitoring device is infrared shooting device, including some infrared transmitters and red correspondingly with each described infrared transmitter
Outer receptor, infrared transmitter described in each group and infrared remote receiver form an infrared line loop；Described infrared shooting device
Some parallel and have infrared light beam at regular intervals composition infrared light beam monitoring plane.
7. a kind of tower barrel of wind generating set inner part comes off monitor and alarm system it is characterised in that including：
Monitoring device, internal and parallel to tower bottom surface located at described tower, include some monitor light emitters and with each
Described monitoring light emitters monitor light receiver correspondingly, monitor light emitters and monitoring light described in each group
Receptor forms a monitoring light circuit, and the light beam of described monitoring light circuit forms what tower part will necessarily pass through after the drops
Monitored area；
Alarm device, is electrically connected with described monitoring device, for sending alarm signal according to the monitoring result of described monitoring device
Number.
8. tower barrel of wind generating set inner part according to claim 7 comes off monitor and alarm system it is characterised in that institute
Stating monitoring device is laser-correlation device (2), including some generating lasers (21) and with each described generating laser one by one
Corresponding laser pickoff (22), generating laser (21) described in each group and laser pickoff (22) form a laser and return
Road；The some parallel and tool laser beam at regular intervals composition laser beam monitoring plane of described laser-correlation device (2).
9. tower barrel of wind generating set inner part according to claim 8 comes off monitor and alarm system it is characterised in that institute
State the minimum dimension being smaller than described tower part of laser beam.
10. tower barrel of wind generating set inner part according to claim 7 come off monitor and alarm system it is characterised in that
Described monitoring device is infrared shooting device, including some infrared transmitters and one-to-one with each described infrared transmitter
Infrared remote receiver, infrared transmitter described in each group and infrared remote receiver form an infrared line loop；Described infrared emission dress
The some parallel and tool infrared light beam at regular intervals composition infrared light beam monitoring plane put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979924.5U CN205936988U (en) | 2016-08-29 | 2016-08-29 | Wind generating set wheel hub and tower section of thick bamboo inner part drop and monitor alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979924.5U CN205936988U (en) | 2016-08-29 | 2016-08-29 | Wind generating set wheel hub and tower section of thick bamboo inner part drop and monitor alarm system |
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| CN205936988U true CN205936988U (en) | 2017-02-08 |
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| CN201620979924.5U Active CN205936988U (en) | 2016-08-29 | 2016-08-29 | Wind generating set wheel hub and tower section of thick bamboo inner part drop and monitor alarm system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708833A (en) * | 2018-05-16 | 2018-10-26 | 浙江运达风电股份有限公司 | A kind of wind power generating set blade blade root bolt fracture method for real-time monitoring and system |
| CN110080951A (en) * | 2019-05-29 | 2019-08-02 | 曾杰 | Tower frame for wind generating set, tower connection monitoring method, terminal and readable storage medium storing program for executing |
| CN110160772A (en) * | 2019-06-27 | 2019-08-23 | 李文斌 | A kind of bolt failure detection device |
| CN110307126A (en) * | 2019-06-20 | 2019-10-08 | 南京华盾电力信息安全测评有限公司 | Wind-driven generator fault collection system and method |
| CN110388951A (en) * | 2018-04-20 | 2019-10-29 | 中车株洲电力机车研究所有限公司 | A kind of wind power generating set bolt looseness monitoring device and method |
| CN110630451A (en) * | 2019-11-08 | 2019-12-31 | 上海第二工业大学 | Monitoring device for bolt fracture on wind generating set |
| CN110778463A (en) * | 2019-09-17 | 2020-02-11 | 东方电气风电有限公司 | Fan blade bolt fracture monitoring and protecting method and device |
| CN113090472A (en) * | 2019-12-23 | 2021-07-09 | 新疆金风科技股份有限公司 | Displacement sensor, method for monitoring bolt looseness of tower barrel and wind generating set |
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2016
- 2016-08-29 CN CN201620979924.5U patent/CN205936988U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388951A (en) * | 2018-04-20 | 2019-10-29 | 中车株洲电力机车研究所有限公司 | A kind of wind power generating set bolt looseness monitoring device and method |
| CN108708833A (en) * | 2018-05-16 | 2018-10-26 | 浙江运达风电股份有限公司 | A kind of wind power generating set blade blade root bolt fracture method for real-time monitoring and system |
| CN108708833B (en) * | 2018-05-16 | 2019-12-24 | 浙江运达风电股份有限公司 | Real-time monitoring method and system for blade root bolt fracture of wind generating set blade |
| CN110080951A (en) * | 2019-05-29 | 2019-08-02 | 曾杰 | Tower frame for wind generating set, tower connection monitoring method, terminal and readable storage medium storing program for executing |
| CN110080951B (en) * | 2019-05-29 | 2020-04-21 | 曾杰 | Wind turbine tower, tower connection monitoring method, terminal and readable storage medium |
| CN110307126A (en) * | 2019-06-20 | 2019-10-08 | 南京华盾电力信息安全测评有限公司 | Wind-driven generator fault collection system and method |
| CN110160772A (en) * | 2019-06-27 | 2019-08-23 | 李文斌 | A kind of bolt failure detection device |
| CN110160772B (en) * | 2019-06-27 | 2024-04-19 | 李文斌 | Bolt failure detection device |
| CN110778463A (en) * | 2019-09-17 | 2020-02-11 | 东方电气风电有限公司 | Fan blade bolt fracture monitoring and protecting method and device |
| CN110630451A (en) * | 2019-11-08 | 2019-12-31 | 上海第二工业大学 | Monitoring device for bolt fracture on wind generating set |
| CN113090472A (en) * | 2019-12-23 | 2021-07-09 | 新疆金风科技股份有限公司 | Displacement sensor, method for monitoring bolt looseness of tower barrel and wind generating set |
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Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |