CN209724577U - A kind of dual-feed asynchronous wind power generator group that can monitor shaft assignment - Google Patents

Abstract

The utility model discloses a kind of dual-feed asynchronous wind power generator groups that can monitor shaft assignment.Including tower, tower top is equipped with rack, and rack is equipped with double-fed generator, and double-fed generator shaft is connect through shaft coupling with gearbox output, and gear box input is connect with impeller；Mechanism for monitoring is additionally provided between the double-fed generator shaft and gearbox output；The mechanism for monitoring includes a pair of vertical plate disposed in parallel, two vertical plates are rotatablely connected with double-fed generator shaft and gearbox output respectively, straight tube is also connected between two vertical plates, straight tube one end is equipped with infrared emission probe and infrared receiver probe, and the straight tube other end is equipped with reflecting mirror；The light of the infrared emission probe transmitting can be received after reflecting mirror reflects by infrared receiver probe；The infrared receiver probe is also connect with main control chip, and main control chip is connect with alarm module.The utility model has the characteristics that structure simply and can real-time monitoring.

Description

A kind of dual-feed asynchronous wind power generator group that can monitor shaft assignment

Technical field

The utility model relates to wind-driven generator technical group fields, in particular to a kind of to monitor the double-fed asynchronous of shaft assignment Wind power generating set.

Background technique

Wind power generating set is that the rotating mechanical energy transformed wind energy by the linkage of equipment room is transmitted to generator, is generated electricity Machine rotor converts rotating mechanical energy to by cutting magnetic induction line the set of device of electric energy.The gear-box and hair of wind power generating set It is connected between motor by shaft coupling, finally generator is driven to rotate by gear-box, shaft coupling.If gear-box, generator Central axis in wind power generating set During Process of Long-term Operation, will lead to many problems there are deviation (i.e. Shaft misalignment).Almost 50% machine halt trouble is all as caused by Shaft misalignment, and Shaft misalignment may cause: bearing failure, bending shaft, seal failure, Shaft coupling abrasion, energy loss, vibration become larger.And equipment service life can be increased, reduce axis by ensureing good centering then Abrasion, the abrasion of reduction shaft coupling, reduction vibration, reduction generator and the gearbox fault rate, reduction maintenance cost held and sealed Deng.To guarantee generator, shaft coupling, gear-box center line on one wire, shaft assignment work is set as regular inspection by wind, farm site Project, most of project are 2 times/year, periodically carry out artificial centering to wind power generating set according to schedule.But this method is deposited In following disadvantages: data are checked and approved by manually carrying out, time-consuming and laborious, are not only increased the unnecessary downtime of unit, are led to unit Availability is reduced, also increase operation maintenance personnel workload, and Personnel Resources is caused to waste；Manpower jiggering is leaned on when data acquire, because a The factors such as people's experience, technical level, habit cause error uncontrollable；Centering necessity is not achieved periodically to carry out in centering work Property, timeliness requirement, and every time centering both for whole audience unit, will increase a part for the unit for not needing centering Rate of breakdown.

Utility model content

The purpose of the utility model is to provide a kind of dual-feed asynchronous wind power generator groups that can monitor shaft assignment.This reality Have the characteristics that structure simply and can real-time monitoring with novel.

The technical solution of the utility model includes: a kind of dual-feed asynchronous wind power generator group that can monitor shaft assignment, including tower, Tower top is equipped with rack, and rack is equipped with double-fed generator, and double-fed generator shaft connects through shaft coupling and gearbox output It connects, gear box input is connect with impeller；Mechanism for monitoring is additionally provided between the double-fed generator shaft and gearbox output； The mechanism for monitoring includes a pair of vertical plate disposed in parallel, two vertical plates respectively with double-fed generator shaft and gearbox output It is rotatablely connected, straight tube is also connected between two vertical plates, straight tube one end is equipped with infrared emission probe and infrared receiver probe, and straight tube is another End is equipped with reflecting mirror；The light of the infrared emission probe transmitting can be connect after reflecting mirror reflects by infrared receiver probe It receives；The infrared receiver probe is also connect with main control chip, and main control chip is connect with alarm module.

In the dual-feed asynchronous wind power generator group above-mentioned that shaft assignment can be monitored, the main control chip is through radio communication mold Block is connect with alarm module；The alarm module include receive chip, receive chip respectively with alarm device and radio communication mold Block connection, main control chip are communicated with reception chip chamber through wireless communication module.

In the dual-feed asynchronous wind power generator group above-mentioned that shaft assignment can be monitored, the output end of the gear-box and input Support base is equipped at end.

Compared with prior art, the utility model is additionally provided with monitoring machine between double-fed generator shaft and gearbox output Structure；Mechanism for monitoring includes a pair of vertical plate disposed in parallel, and two vertical plates turn with double-fed generator shaft and gearbox output respectively It is dynamic to connect, straight tube is also connected between two vertical plates, straight tube one end is equipped with infrared emission probe and infrared receiver probe, the straight tube other end Equipped with reflecting mirror；The light of infrared emission probe transmitting can be received after reflecting mirror reflects by infrared receiver probe；It is infrared to connect It receives probe also to connect with main control chip, main control chip is connect with alarm module；When double-fed generator shaft and gearbox output When misaligning when Shaft misalignment (i.e.), straight tube can also follow deformation, and the position between infrared probe and reflecting mirror is caused to shift, The light of infrared emission probe transmitting at this time can not be received after reflecting mirror reflects by infrared receiver probe, at this time main control chip Alarm module alarm can be controlled；By the simple structure, double-fed generator shaft and gearbox output can be monitored in real time Shaft assignment situation；With this configuration, data are checked and approved (shaft assignment monitoring) and are carried out automatically, and time saving and energy saving, reducing unit need not Downtime is wanted, unit availability is improved, also reduction operation maintenance personnel workload, is economized on resources；With this configuration instead of people Work periodic monitoring, the uncontrollable situation of error caused by avoiding because of factors such as personal experience, technical level, habits；By this Structure, centering monitoring are real-time perfoming, have effectively reached the requirement of centering necessity, timeliness, and centering work is only directed to The unit of alarm rather than be directed to whole audience unit, not will increase rate of breakdown for the unit for not needing centering.

The utility model main control chip is connect through wireless communication module with alarm module；The alarm module includes receiving Chip receives chip and connect respectively with alarm device and wireless communication module, and main control chip and reception chip chamber are through radio communication mold Block is communicated；With this configuration, centering monitoring can be realized long-range monitoring, so that more convenient to use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram at the A of Fig. 1；

Fig. 3 is the electrical connection schematic diagram of mechanism for monitoring.

The label in accompanying drawing is: 1- tower, 2- rack, 3- double-fed generator, 4- shaft coupling, 5- gear-box, 6- impeller, 7- Mechanism for monitoring, 71- vertical plate, 72- straight tube, 73- infrared emission probe, 74- infrared receiver probe, 75- reflecting mirror, 76- master control core Piece, 77- alarm module, 78- wireless communication module, 79- receive chip, 710- alarm device, 8- support base.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model The foundation of limitation.

Embodiment.A kind of dual-feed asynchronous wind power generator group that can monitor shaft assignment, constitute as shown in Figure 1-3, include tower Cylinder 1,1 top of tower are equipped with rack 2, and rack 2 is equipped with double-fed generator 3, and 3 shaft of double-fed generator is through shaft coupling 4 and gear The connection of 5 output end of case, 5 input terminal of gear-box are connect with impeller 6；Between 5 output end of 3 shaft of double-fed generator and gear-box It is additionally provided with mechanism for monitoring 7；The mechanism for monitoring 7 includes a pair of vertical plate 71 disposed in parallel, and two vertical plates 71 are sent out with double-fed respectively 3 shaft of motor and 5 output end of gear-box are rotatablely connected, and straight tube 72 is also connected between two vertical plates 71, and 72 one end of straight tube is equipped with infrared Transmitting probe 73 and infrared receiver probe 74,72 other end of straight tube are equipped with reflecting mirror 75；The infrared emission probe 73 emits Light through reflecting mirror 75 reflection after can be received by infrared receiver probe 74；The infrared receiver probe 74 also with master control core Piece 76 connects, and main control chip 76 is connect with alarm module 77.

When Shaft misalignment, straight tube 72 also deforms therewith, and the position between infrared probe and reflecting mirror 75 is caused to shift, The light that infrared emission probe 73 emits at this time can not be received after the reflection of reflecting mirror 75 by infrared receiver probe 74, and then produce A raw alarm signal, control alarm module 77 is alarmed after main control chip 76 receives the alarm signal.

Main control chip 76 above-mentioned is connect through wireless communication module 78 with alarm module 77；The alarm module 77 includes Chip 79 is received, chip 79 is received and is connect respectively with alarm device 710 and wireless communication module 78, main control chip 76 and reception chip It is communicated between 79 through wireless communication module 78.The main control chip 76 and the model for receiving chip 79 are STM32F103VCT6；Wireless communication module 78 is 4G module, model WH-G405tf.With this configuration, main control chip 76 After receiving alarm signal, it is sent to the reception chip 79 of alarm module 77 by wireless communication module 78, receives chip 79 and receives To after alarm signal, control alarm device 710 is alarmed.With this configuration, long-range monitoring is realized.

The output end and input end of gear-box 5 above-mentioned are equipped with support base 8.

Claims (3)

1. a kind of dual-feed asynchronous wind power generator group that can monitor shaft assignment, it is characterised in that: including tower (1), tower (1) top End is equipped with rack (2), and rack (2) is equipped with double-fed generator (3), and double-fed generator (3) shaft is through shaft coupling (4) and gear-box (5) output end connects, and gear-box (5) input terminal is connect with impeller (6)；Double-fed generator (3) shaft and gear-box (5) Mechanism for monitoring (7) are additionally provided between output end；The mechanism for monitoring (7) includes a pair of vertical plate (71) disposed in parallel, two vertical plates (71) it is rotatablely connected respectively with double-fed generator (3) shaft and gear-box (5) output end, two vertical plates are also connected with straight tube between (71) (72), straight tube (72) one end is equipped with infrared emission probe (73) and infrared receiver probe (74), and straight tube (72) other end is equipped with anti- Penetrate mirror (75)；The light of infrared emission probe (73) transmitting can be by infrared receiver probe after reflecting mirror (75) reflection (74) it receives；The infrared receiver probe (74) is also connect with main control chip (76), main control chip (76) and alarm module (77) it connects.

2. the dual-feed asynchronous wind power generator group according to claim 1 that shaft assignment can be monitored, it is characterised in that: described Main control chip (76) is connect through wireless communication module (78) with alarm module (77)；The alarm module (77) includes receiving core Piece (79) receives chip (79) and connect respectively with alarm device (710) and wireless communication module (78), main control chip (76) and reception It is communicated between chip (79) through wireless communication module (78).

3. the dual-feed asynchronous wind power generator group according to claim 1 or 2 that shaft assignment can be monitored, it is characterised in that: institute The output end and input end for the gear-box (5) stated are equipped with support base (8).