CN103728942A - Local data collecting and processing system of wind generating set - Google Patents
Local data collecting and processing system of wind generating set Download PDFInfo
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Abstract
A local data collecting and processing system of a wind generating set solves the problem that an existing wind electricity state monitoring technique is short of distributed local data processing links, so that a large amount of wind generating set state monitoring information needs to be integrated into an upper monitoring system to be processed synchronously, and monitoring efficiency can not be guaranteed. A data collecting module a, a system self-inspection module b, a data processing module c, a local diagnose module d, a logic control module e and a data communication module f are integrated, and therefore the state signal local data collecting and processing system has the local information in-place preprocessing function. The local data collecting and processing system effectively meets the requirement for the wind power generation distributed function, greatly reduces the requirement for performance of a monitoring upper computer data processor, greatly improves the state monitoring intelligence level and monitoring efficiency of a wind power generation system, and lays the foundation of efficient wind power plant centralized monitoring.
Description
Technical field
The present invention relates to technical field of wind power generation, relate in particular to wind power generating set local data acquisition processing system technical field.
Background technology
Wind-power electricity generation is a kind of clean energy resource, and energy-saving ring is possessed to important economic and social benefits.In existing wind generator system condition monitoring technology, wind power generating set local data acquisition processing system only possesses data acquisition function conventionally, owing to lacking local data processing links on the spot, a large amount of wind-powered electricity generation unit status information monitoring need to concentrate in upper location supervisory and realize, high to host computer data processing and the requirement of communication network resources supplIes, system monitoring efficiency is difficult to ensure.
Summary of the invention
A kind of wind power generating set local data acquisition processing system, by selftest module (a), data acquisition module (b), data processing module (c), local diagnostic module (d), six main modular of Logic control module (e) and data communication module (f) form, it is characterized in that: by (a) data acquisition module and (b) System self-test module, data processing module (c), local diagnostic module (d), Logic control module (e) and data communication module (f) are carried out integrated, make status signal local data acquisition processing system possess local information preprocessing function on the spot.
Selftest module (a) mainly realizes that data acquisition processing system is patrolled and examined, the diagnosis of data acquisition processing system faults itself, data acquisition processing system fault self-recovering function.
The enable command signal that data acquisition module (b) receive logic control module is sent, when enable command is for starting, data acquisition module (b) starts to carry out data acquisition; Otherwise data acquisition module does not carry out data collection task; When data acquisition module (b) starts to carry out after data acquisition, data acquisition module is transferred to data processing module (c) by data acquisition pilot signal.
Data processing module (c) is mainly realized data filtering, Data Format Transform, valid data screening, Data classification function.
Local diagnostic module (d) receives the sorted monitor data information of data processing module (c), based on sorted data message judge whether to exist in short-term, accidental catastrophic discontinuityfailure, if there is catastrophic discontinuityfailure, to Logic control module (e), send catastrophic failure and judge signal and sorted monitor data information; Otherwise only sorted monitor data information is sent to Logic control module (e).
Logic control module (e) receives the catastrophic failure that patrolling and examining of sending of selftest module (a) and system failure signal, local diagnostic module (d) send and judge the human-machine interactive information that signal and sorted monitor data information, data communication module (f) send, and is responsible for control generated data communication channel select command signal.
Logic control module (e) receives sorted monitor data information, and according to alarm threshold value is set for concrete monitored variable, carries out the triggering of Threshold Alerts signal based on this information; Logic control module (e) sends self check enable information to selftest module (a), to data acquisition module (b), send enable command signal, to data communication module (f), send data communication channel selecting command signal, patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts information.
The human-machine interactive information that data communication module (f) sends includes but are not limited to remote-query information and Long-distance Control information; Data communication channel selecting command signal that data communication module receive logic control module sends, patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts information, and will patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts Information Compression are being sent to data receiving terminal according to communication channel select command with different communication channels after processing; Data communication module (f) receives external data terminal data interaction information simultaneously, and data interaction information is sent to Logic control module (e).
Wind power generating set local data acquisition processing system of the present invention is that a kind of wind power generating set this locality based on the local processing scheme of distributing data monitoring information is highly integrated, high compression ratio state information acquisition platform, and this data acquisition processing system also can be widely used in other similar distributed magnanimity status information monitoring occasion.
accompanying drawing explanation
Fig. 1 is wind power generating set local data acquisition processing system figure.
Fig. 2 is wind power generating set local data acquisition processing system self check process flow diagram.
Fig. 3 is wind power generating set local data acquisition processing system flow chart of data processing figure.
Embodiment
the invention provides a kind of wind power generating set local data acquisition processing system.As shown in Figure 1, described a kind of wind power generating set local data acquisition processing system consists of selftest module (a), data acquisition module (b), data processing module (c), local diagnostic module (d), Logic control module (e) and six main modular of data communication module (f), this system, by data acquisition module (b) monitoring unit status signal, realizes data communication by data communication module (f) and upper monitoring interactive terminal.
Selftest module (a) mainly realizes that data acquisition processing system is patrolled and examined, the diagnosis of data acquisition processing system faults itself, data acquisition processing system fault self-recovering function.The enable command signal that System self-test module (a) receive logic control module (e) is sent, its process flow diagram as shown in Figure 2.When enable signal is when opening, System self-test module (a) starts, and data acquisition processing system is patrolled and examined, otherwise selftest module (a) does not start.When patrolling and examining without abnormal signal, to Logic control module (e), send normal and the equipment routing inspection information of detecting; When system exception being detected, automatically system exception is carried out to fault diagnosis.If judge, the system failure is for can recover fault, after fault is recovered automatically, returns and patrols and examines operation; If judge, the system failure is unrecoverable failure, to Logic control module (e), sends and patrols and examines and system failure signal.
The enable command signal that data acquisition module (b) receive logic control module (e) is sent, when enable command is for starting, data acquisition module (b) starts to carry out data acquisition; Otherwise data acquisition module (b) does not carry out data collection task.When data acquisition module (b) starts to carry out after data acquisition, data acquisition module (b) is transferred to data processing module (c) by data acquisition pilot signal.
Data processing module (c) is mainly realized data filtering, Data Format Transform, valid data screening, Data classification function.Data processing module (c) receives the Sensor monitoring information that data acquisition module (b) sends, its control flow chart as shown in Figure 3, first Sensor monitoring information is carried out to necessary filtering processing, noise in filtering monitor message and measurement of correlation error signal are (by measuring error and noise in the mode filtering pilot signal of digital filter, reject apparent error data, such as acceleration transducer is measured the offset error producing, the noise that speed pickup produces etc.); Then to filtered information carry out as requested Data Format Transform (one time monitored variable is converted into secondary or high order monitored variable, for example degree of will speed up signal be converted into earthquake intensity signal, transient speed signals be converted into mean speed signal and monitor message is added up after statistical information etc.), make data requirement meet succeeding state judgement; Then the data of format transformation are carried out to valid data screening and (according to a monitored variable, be converted into secondary or high order monitored variable information, the current running of wind generating set operating mode of intelligent decision, invalid operating condition monitor data is rejected, such as monitor data etc. when windless condition monitor data, rotating speed big ups and downs.), by the comprehensive analysis to monitor message, Intelligent Recognition can effectively represent the monitor message of running of wind generating set state; Finally Effective selection data (are classified to the monitor data under different operating modes, for example, according to unit operation rotating speed, the monitor message of different rotating speeds section carried out to compressive classification according to different operating condition Data classifications.), and sorted data are sent to local diagnostic module (d).
Local diagnostic module (d) receives the sorted monitor data information of data processing module (c), based on sorted data message judge whether to exist in short-term, accidental catastrophic discontinuityfailure, if exist catastrophic discontinuityfailure (the short-time characteristic mechanical damage that the accidentalia such as improper, electric network fault, maloperation cause is set due to environment flip-flop, control strategy, its judgement can according to once, the unit interval variable quantity information judgement of secondary or high order monitored variable.), to Logic control module (e), send catastrophic failure and judge signal and sorted monitor data information; Otherwise only sorted monitor data information is sent to Logic control module (e).
Logic control module (e) receiving system selftest module (a) sends patrols and examines and catastrophic failure that system failure signal, local diagnostic module (d) send judge the human-machine interactive information that signal and sorted monitor data information, data communication module (f) send, and the information that foundation receives is according to logic control automatically generated data communication channel select command signal.Logic control module (e) receives sorted monitor data information, and according to alarm threshold value is set for concrete monitored variable, carries out the triggering of Threshold Alerts signal based on this information.The catastrophic failure that Logic control module (e) receives local diagnostic module (d) transmission judges that signal is true time, and Logic control module (e) completes the local storage of sorted monitor data information according to logic control.Logic control module (e) sends self check enable information to selftest module (a), to data acquisition module (b), send enable command signal, to data communication module (f), send data communication channel selecting command signal, patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts information.
The human-machine interactive information that data communication module (f) sends includes but are not limited to remote-query information and Long-distance Control information.Data communication channel selecting command signal that data communication module (f) receive logic control module (e) sends, patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts information, and will patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts Information Compression are sent to data receiving terminal with different communication channels again according to communication channel select command after processing.Data communication module (f) receives external data terminal data interaction information simultaneously, and data interaction information is sent to Logic control module (e).
The present invention is directed to the functional characteristics of the distributed operation of wind generator system, pass through proposed wind power generating set local data acquisition processing system, make Real-time Monitoring Data after process wind power generating set this locality, process information integrated height, high compression ratio is uploaded, significantly strengthen Global Information processing power and the information capacity of wind-power electricity generation condition monitoring system, the effectively processor performance requirement of data processing terminal in the bandwidth requirement of reduction monitoring communication network and co-level.This system can significantly promote sensor access quantity and the entire system monitoring efficiency of wind-power electricity generation condition monitoring system, is a kind of wind power generating set local information acquisition process platform that is applicable to the monitoring of wind energy turbine set collected state.
Claims (8)
1. a wind power generating set local data acquisition processing system, service data to wind power generating set gathers, and equipment running status information is monitored, it is characterized in that: by selftest module (a), data acquisition module (b), data processing module (c), local diagnostic module (d), six main modular compositions of Logic control module (e) and data communication module (f), by (a) data acquisition module and (b) System self-test module, data processing module (c), local diagnostic module (d), Logic control module (e) and data communication module (f) are carried out integrated, make status signal local data acquisition processing system possess local information preprocessing function on the spot.
2. a kind of wind power generating set local data acquisition processing system according to claim 1, is characterized in that: selftest module (a) mainly realizes that data acquisition processing system is patrolled and examined, the diagnosis of data acquisition processing system faults itself, data acquisition processing system fault self-recovering function.
3. a kind of wind power generating set local data acquisition processing system according to claim 1, it is characterized in that: the enable command signal that data acquisition module (b) receive logic control module is sent, when enable command is for starting, data acquisition module (b) starts to carry out data acquisition; Otherwise data acquisition module (b) does not carry out data collection task; When data acquisition module (b) starts to carry out, after data acquisition, data acquisition pilot signal to be transferred to data processing module (c).
4. a kind of wind power generating set local data acquisition processing system according to claim 1, is characterized in that: data processing module (c) is mainly realized data filtering, Data Format Transform, valid data screening, Data classification function.
5. a kind of wind power generating set local data acquisition processing system according to claim 1, it is characterized in that: local diagnostic module (d) receives the sorted monitor data information of data processing module (c), based on sorted data message judge whether to exist in short-term, accidental catastrophic discontinuityfailure, if there is catastrophic discontinuityfailure, to Logic control module (e), send catastrophic failure and judge signal and sorted monitor data information; Otherwise only sorted monitor data information is sent to Logic control module (e).
6. a kind of wind power generating set local data acquisition processing system according to claim 1, it is characterized in that: Logic control module (e) receives the catastrophic failure that patrolling and examining of sending of selftest module (a) and system failure signal, local diagnostic module (d) send and judge the human-machine interactive information that signal and sorted monitor data information, data communication module (f) send, and is responsible for control generated data communication channel select command signal.
7. a kind of wind power generating set local data acquisition processing system according to claim 1, it is characterized in that: Logic control module (e) receives sorted monitor data information, and according to alarm threshold value is set for concrete monitored variable, carry out the triggering of Threshold Alerts signal based on this information; Logic control module (e) sends self check enable information to selftest module (a), to data acquisition module (b), send enable command signal, to data communication module (f), send data communication channel selecting command signal, patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts information.
8. a kind of wind power generating set local data acquisition processing system according to claim 1, is characterized in that: the human-machine interactive information that data communication module (f) sends includes but are not limited to remote-query information and Long-distance Control information; Data communication channel selecting command signal that data communication module receive logic control module sends, patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts information, and will patrol and examine and system failure signal, sorted monitor data information, Threshold Alerts Information Compression are being sent to data receiving terminal according to communication channel select command with different communication channels after processing; Data communication module (f) receives external data terminal data interaction information simultaneously, and data interaction information is sent to Logic control module (e).
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| CN111596587A (en) * | 2020-05-26 | 2020-08-28 | 希音科技(杭州)有限公司 | Multipurpose low-power consumption control device and method for real-time state monitoring |
| CN116757681A (en) * | 2023-08-16 | 2023-09-15 | 武汉联动设计股份有限公司 | Real-time monitoring and diagnosing method and system for generating efficiency of wind turbine generator |
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