CN204405180U - A kind of wind generating set remote noise monitoring system - Google Patents
A kind of wind generating set remote noise monitoring system Download PDFInfo
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- CN204405180U CN204405180U CN201520039028.6U CN201520039028U CN204405180U CN 204405180 U CN204405180 U CN 204405180U CN 201520039028 U CN201520039028 U CN 201520039028U CN 204405180 U CN204405180 U CN 204405180U
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- generating set
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Abstract
The utility model discloses a kind of wind generating set remote noise monitoring system, comprise multiple microphone, signal preamplifier, multi-channel audio collector, optical fiber data transmission system, multi-channel audio player and monitoring headpone composition.When wind power generating set is run, the acoustical signal at blower fan diverse location place is obtained by microphone, after amplification, analog to digital conversion, deliver to Surveillance center by lightguide cable link, then return to acoustical signal by audio player, operations staff realizes the noise remote monitoring of blower fan position by monitoring headpone.The utility model can realize remote monitoring wind power generating set running noises, contributes to early detection running of wind generating set unusual condition, thus avoids disorderly closedown, saves recondition expense.
Description
Technical field
The utility model belongs to technical field of wind power generation, is specifically related to a kind of wind generating set remote noise monitoring system.
Background technology
Wind power generating set is the major equipment of wind-powered electricity generation industry widespread use, during unit operation, the equipment such as blade, gear case, driftage can produce larger pneumatic and physical construction noise, the size of noise and frequency height reflect equipment running status indirectly, be the important evidence to equipment failure judgement and repair based on condition of component, monitoring equipment running noises is on the spot the main method that current running of wind generating set personnel judge equipment health status.But the risk of work high above the ground is comparatively large, does not generally allow personnel at machine underdeck operation when wind power generating set is run, thus cannot monitoring equipment running noises, Timeliness coverage unit exception.
At present, wind energy turbine set operations staff is by checking that other state parameters such as equipment running temperature and wind speed, rotating speed, power judge whether unit exists exception, or utilize on-line vibration monitoring system, spectrum analysis judgment device whether existing defects is carried out to vibration signal, even runs sound judge operating states of the units by listening to equipment at the bottom of tower.But the equipment failure initial stage cannot pass through state parameter, and promptly and accurately judgment device is abnormal, until equipment failure just causes operations staff to pay close attention to after shutting down, cannot take Pre-control measures in advance; On-line vibration monitoring system is only for driving-chain, and the equipment such as blade, driftage lacks monitoring, and on-line vibration monitoring system many employings off-line analysis mode, cannot discovering device is abnormal as early as possible; Although it is intuitively effective to listen to unit operation sound at the bottom of tower, needs personnel to press close to blower fan, during unit fault or strong wind, there is potential safety hazard, and operations staff cannot Remote Acquisitioning noise information, is unfavorable for real-time monitoring equipment state.
Utility model content
The purpose of this utility model is to provide a kind of wind generating set remote noise monitoring system, this system application data gathers and data remote transmission technology, all kinds of wind power generating set running noises of operations staff's remote monitoring can be allowed, Timeliness coverage unit exception state, for maintenance provides foundation.
For achieving the above object, the utility model adopts following technical scheme to be achieved:
A kind of wind generating set remote noise monitoring system, comprise some microphones for obtaining wind power generating set equipment running noises, for the prime amplifier providing constant current-supplying and signal to amplify for microphone, multipath audio signal for exporting prime amplifier carries out the multi-channel audio collector of Collect conversion, for the optical fiber data transmission system that the teledata exported multi-channel audio collector is transmitted, and the multi-channel audio player that recovers of the voice data for exporting optical fiber data transmission system and monitoring headpone.
The utility model further improves and is: some microphones are single directional microphone, be installed in the wheel hub of wind power generating set equipment, by gear case, outside by generator and cabin respectively, for monitoring aerodynamic noise, mechanical noise and the neighbourhood noise in running of wind generating set process.
The utility model further improves and is: microphone adopts MPA201 microphone.
The utility model further improves and is: multi-channel audio collector, allow access 4 road voice signal, correspond respectively to wheel hub, gear case place, the noise at generator place and neighbourhood noise, every road voice signal analog to digital conversion speed is 96kSam/s, sampling precision is 16, thus guarantees undistorted monitoring.
The utility model further improves and is: optical fiber data transmission system comprises optical sender, optical fiber and photoreceiver, at Wind turbines place, optical sender is installed, real time data for being obtained by multi-channel audio device converts light signal to and passes through Optical Fiber Transmission, at place of Surveillance center, photoreceiver is installed, for light signal is converted to electric signal, change for multi-channel audio player.
The utility model further improves and is: the frequency response range of monitoring headpone is 20Hz ~ 28kHz.
Compared with prior art, the long-range noise that the utility model can be widely used in wind power generating set is monitored, and operations staff no longer needs to monitor unit operation sound at the bottom of blower fan tower, reduces labour intensity; Efficiently solve the puzzlement cannot monitoring engine room facilities running noises in fan operation process, and passage bridge can be passed through simultaneously, reach the object of wind power generating set many places sound being pressed close to monitoring.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of wind generating set remote noise of the utility model monitoring system.
In figure: 1 is microphone, 2 is prime amplifier, and 3 is multi-channel audio collector, and 4 is optical fiber data transmission system, and 5 is multi-channel audio player, and 6 is monitoring headpone.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
With reference to shown in Fig. 1, a kind of wind generating set remote noise of the utility model monitoring system, comprise some microphones 1 for obtaining wind power generating set equipment running noises, for the prime amplifier 2 providing constant current-supplying and signal to amplify for microphone 1, multipath audio signal for exporting prime amplifier 2 carries out the multi-channel audio collector 3 of Collect conversion, for the optical fiber data transmission system 4 that the teledata exported multi-channel audio collector 3 is transmitted, and the multi-channel audio player 5 that recovers of the voice data for exporting optical fiber data transmission system 4 and monitoring headpone 6.
For monitoring equipment and neighbourhood noise, system installs 4 road microphones 1 altogether, wherein at wheel hub, gear case place, generator place, MPA201 microphone is installed, its frequency response is 20Hz ~ 20kHz, coupling prime amplifier is MA231, the amplification process of settling signal, ICCP power supply is chosen as MC104.Select surperficial microphone MPS426, be fixed in cabin outside surface, for measure ambient noise
Described multi-channel audio collector 3, allow access 4 road voice signal, complete the noise to wheel hub, gear case place, generator place and neighbourhood noise respectively, every road voice signal analog to digital conversion speed is 96kSam/s, sampling precision is 16, thus guarantees undistorted monitoring.
Described optical fiber data transmission system 4, comprise optical sender, optical fiber and photoreceiver, at Wind turbines place, optical sender is installed, real time data for being obtained by multi-channel audio device converts light signal to and passes through Optical Fiber Transmission, at place of Surveillance center, photoreceiver is installed, for light signal is converted to electric signal, change for multi-channel audio player.
Described monitoring headpone 6, can select the ATH-50X of iron triangle, and its frequency response range is 20Hz ~ 28kHz, can realize the undistorted reduction to voice signal and monitoring.
Wind power generating set noise monitoring system of the present utility model, have employed data acquisition and data remote transmission technology, to wind power generating set, noise of equipment and neighbourhood noise information carry out remote monitoring, for the supervision of wind power generating set equipment operation condition and optimal control provide condition precedent everywhere.This system can adapt to the rugged surroundings at wind-powered electricity generation scene, has easy to use, is convenient to the features such as maintenance, can meet the needs of operations staff's remote monitoring.
Claims (6)
1. a wind generating set remote noise monitoring system, it is characterized in that: comprise some microphones (1) for obtaining wind power generating set equipment running noises, for the prime amplifier (2) providing constant current-supplying and signal to amplify for microphone (1), multipath audio signal for exporting prime amplifier (2) carries out the multi-channel audio collector (3) of Collect conversion, for the optical fiber data transmission system (4) that the teledata exported multi-channel audio collector (3) is transmitted, and the multi-channel audio player (5) that recovers of the voice data for exporting optical fiber data transmission system (4) and monitoring headpone (6).
2. a kind of wind generating set remote noise monitoring system according to claim 1, it is characterized in that: some microphones (1) are single directional microphone, be installed in the wheel hub of wind power generating set equipment, by gear case, outside by generator and cabin respectively, for monitoring aerodynamic noise, mechanical noise and the neighbourhood noise in running of wind generating set process.
3. a kind of wind generating set remote noise monitoring system according to claim 1 and 2, is characterized in that: microphone (1) adopts MPA201 microphone.
4. a kind of wind generating set remote noise monitoring system according to claim 1, it is characterized in that: multi-channel audio collector (3) allows access 4 road voice signal, correspond respectively to wheel hub, gear case place, the noise at generator place and neighbourhood noise, every road voice signal analog to digital conversion speed is 96kSam/s, and sampling precision is 16.
5. a kind of wind generating set remote noise monitoring system according to claim 1, it is characterized in that: optical fiber data transmission system (4) comprises optical sender, optical fiber and photoreceiver, at Wind turbines place, optical sender is installed, real time data for being obtained by multi-channel audio device converts light signal to and passes through Optical Fiber Transmission, at place of Surveillance center, photoreceiver is installed, for light signal is converted to electric signal, change for multi-channel audio player (5).
6. a kind of wind generating set remote noise monitoring system according to claim 1, is characterized in that: the frequency response range of monitoring headpone (6) is 20Hz ~ 28kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039028.6U CN204405180U (en) | 2015-01-20 | 2015-01-20 | A kind of wind generating set remote noise monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039028.6U CN204405180U (en) | 2015-01-20 | 2015-01-20 | A kind of wind generating set remote noise monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204405180U true CN204405180U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520039028.6U Expired - Fee Related CN204405180U (en) | 2015-01-20 | 2015-01-20 | A kind of wind generating set remote noise monitoring system |
Country Status (1)
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| CN (1) | CN204405180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107461A (en) * | 2019-05-22 | 2019-08-09 | 华润新能源(太原)有限公司 | Fan trouble method for early warning, device, equipment and computer readable storage medium |
-
2015
- 2015-01-20 CN CN201520039028.6U patent/CN204405180U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107461A (en) * | 2019-05-22 | 2019-08-09 | 华润新能源(太原)有限公司 | Fan trouble method for early warning, device, equipment and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150617 Termination date: 20170120 |