CN103256173A - Method and system for monitoring fan and wind turbine monitoring system - Google Patents

Method and system for monitoring fan and wind turbine monitoring system Download PDF

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Publication number
CN103256173A
CN103256173A CN2012100402034A CN201210040203A CN103256173A CN 103256173 A CN103256173 A CN 103256173A CN 2012100402034 A CN2012100402034 A CN 2012100402034A CN 201210040203 A CN201210040203 A CN 201210040203A CN 103256173 A CN103256173 A CN 103256173A
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China
Prior art keywords
blower fan
fan
sign
alarm signal
controller
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CN2012100402034A
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CN103256173B (en
Inventor
肖圳杰
张雯
苏丽营
潘海
张强
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Sinovel Wind Group Co Ltd
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Sinovel Wind Group Co Ltd
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Priority to CN201210040203.4A priority Critical patent/CN103256173B/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

An embodiment of the invention provides a method and a system for monitoring a fan and a wind turbine monitoring system, wherein the fan monitoring system comprises a fan monitor, a linkage module and a video monitor. The fan monitor is used for receiving an alarm signal sent by a fan controller installed on the fan and sending the alarm signal to the linage module, and the alarm signal comprises alarm time and a fan logo; the linkage module is used for analyzing the alarm time and the fan logo in the alarm signal and sending the analyzed alarm signal to the video monitor; and the video monitor is used for determining fan image information matched with the fan logo and the alarm time according to the fan logo and the alarm time and displaying the fan image information and can solve the problem of hysteresis of a wind turbine monitoring mode.

Description

Blower fan monitoring method and system, blower fan group supervisory system
Technical field
The present invention relates to technical field of wind power generation, relate in particular to blower fan monitoring method and system, blower fan group supervisory system.
Background technique
Along with the development of wind-power electricity generation industry, the safe and stable operation of wind power generating set is more and more paid close attention to.Because the residing geographical position of wind energy turbine set is remoter, condition is more abominable, in case break down, maintenance cost height not only, and can influence generated energy because shutting down, cause enormous economic loss.Therefore, at the wind-powered electricity generation unit supervisory system is installed, can helps the attendant to find the unit fault as early as possible, in a planned way keep in repair, thereby improve the unit utilization ratio, prolong the life-span of unit.
In the fan operation process, in case the safety reliability that the hypervelocity phenomenon can have a strong impact on blower fan takes place, also can cause very big economic loss simultaneously.Therefore, whether general wind-powered electricity generation unit all can utilize speed probe to detect blower fan to exceed the speed limit, and when rotating speed surpasses predefined value, can send alarm signal, blower fan overspeed governor switch action simultaneously, and blower fan is shut down.Yet when the warning that sensor breaks down, predefined value is unreasonable, overspeed governor switch fault etc. all can lead to errors, even can cause serious consequence.
The field personnel in the existing supervisory system, generally is equipped with vidicon camera to the understanding of blower fan situation in the blower fan cabin for convenience, when receiving alarm signal, the staff accesses video again and carries out trouble analysis, is not difficult to find out, there is the problem of hysteresis quality in existing this monitor mode.
Summary of the invention
The embodiment of the invention provides a kind of blower fan monitoring method and system, blower fan group supervisory system, can solve the problem that there is hysteresis quality in existing wind-powered electricity generation unit monitor mode.
The embodiment of the invention provides a kind of blower fan supervisory system on the one hand, comprising: blower fan monitoring unit, interlock module and video monitor;
Described blower fan monitoring unit is used for reception and is installed in the alarm signal that the controller of fan on the blower fan sends, and described alarm signal is sent to the interlock module, and described alarm signal comprises the sign of time of fire alarming and described blower fan;
Described interlock module be used for to be resolved time of fire alarming that described alarm signal comprises and the sign of blower fan, and the described alarm signal after resolving is sent to described video monitor;
Described video monitor is used for sign and described time of fire alarming according to described blower fan, determines and the sign of described blower fan and the blower fan image information of time of fire alarming coupling, and shows.
The another aspect of the embodiment of the invention provides a kind of blower fan monitoring method, comprising:
The blower fan monitoring unit receives the alarm signal of the controller of fan transmission that is installed on the blower fan, and described alarm signal is sent to the interlock module, and described alarm signal comprises the sign of time of fire alarming and described blower fan;
The time of fire alarming that comprises in the described alarm signal of described interlock module parses and the sign of blower fan send to video monitor with the described alarm signal after resolving;
Described video monitor is determined and the sign of described blower fan and the blower fan image information of time of fire alarming coupling, and is shown according to sign and the described time of fire alarming of described blower fan.
The another aspect of the embodiment of the invention provides a kind of blower fan group supervisory system, comprising:
Above-mentioned blower fan supervisory system;
Many typhoons machine is installed a controller of fan at least in every typhoon machine.
The embodiment of the invention is by the interlock module, resolve sign and the time of fire alarming of the blower fan that comprises in the alarm signal of blower fan monitoring unit transmission, and the alarm signal after will resolving sends to video monitor, so that video monitor is according to sign and the time of fire alarming of blower fan, show and the sign of blower fan and the blower fan image information of time of fire alarming coupling, analyze and handle for the staff, can solve the problem that there is hysteresis quality in existing blower fan monitor mode.
Description of drawings
The structural representation of the blower fan supervisory system that Fig. 1 provides for the embodiment of the invention one;
The structural representation of the blower fan supervisory system that Fig. 2 provides for the embodiment of the invention two;
The schematic flow sheet of the blower fan monitoring method that Fig. 3 provides for the embodiment of the invention three;
The structural representation of the blower fan group supervisory system that Fig. 4 provides for the embodiment of the invention four.
Embodiment
The structural representation of the blower fan supervisory system that Fig. 1 provides for the embodiment of the invention one; Comprise: blower fan monitoring unit 11, interlock module 12 and video monitor 13;
Blower fan monitoring unit 11 is used for reception and is installed in the alarm signal that the controller of fan on the blower fan sends, and described alarm signal is sent to interlock module 12, and described alarm signal comprises the sign of time of fire alarming and described blower fan;
Interlock module 12 be used for to be resolved time of fire alarming that described alarm signal comprises and the sign of blower fan, and the described alarm signal after resolving is sent to video monitor 13;
Video monitor 13 is used for sign and described time of fire alarming according to described blower fan, determines and the sign of described blower fan and the blower fan image information of time of fire alarming coupling, and shows.
For instance, the blower fan monitoring unit of present embodiment is connected by the wind field proprietary network with controller of fan, when blower fan generation abnormal conditions or fault, abnormal conditions comprise hypervelocity, high temperature, high vibration etc. for instance, and fault refers to that generally blower fan quits work.Be installed on the blower fan controller of fan aweather the machine monitoring device send alarm signal, wherein, alarm signal comprises the sign of time of fire alarming and blower fan, for instance, time of fire alarming can be determined by the current time in system, current time in system when sending alarm signal as controller of fan, the sign of blower fan can be the blower fan number that system sets in advance.The blower fan monitoring unit can be set up the corresponding relation of the sign of described controller of fan and described blower fan after the alarm signal that receives the controller of fan transmission.
The blower fan monitoring unit of present embodiment, interlock module and video monitor can be arranged on the central control room of wind field, and blower fan monitoring unit, interlock module communicate by proprietary network with video monitor and be connected.When the interlock module receives the alarm signal of blower fan monitoring unit transmission, can resolve alarm signal, as resolve the time of fire alarming that comprises in the alarm signal and the sign of blower fan, and the alarm signal after will resolving sends to described video monitor by proprietary network.
The embodiment of the invention is by the interlock module, resolve sign and the time of fire alarming of the blower fan that comprises in the alarm signal of blower fan monitoring unit transmission, and the alarm signal after will resolving sends to video monitor, so that video monitor is according to sign and the time of fire alarming of blower fan, show and the sign of blower fan and the blower fan image information of time of fire alarming coupling, analyze and handle for the staff, can solve the problem that there is hysteresis quality in existing blower fan monitor mode.
The structural representation of the blower fan supervisory system that Fig. 2 provides for the embodiment of the invention two; Further expanding on the system shown in Figure 1 basis, described system also comprises: controller of fan 14 is installed in first acquisition module 15 and second acquisition module 16 on the same blower fan with controller of fan 14;
First acquisition module 15 is connected with controller of fan 14, is used for gathering the fan operation parameter of described blower fan, and sends to controller of fan 14;
Second acquisition module 16 is connected with video monitor 13, is used for gathering the blower fan video information of described blower fan, and sends to video monitor 13, and described blower fan video information comprises sign and the IMAQ time of blower fan image information, blower fan;
Controller of fan 14 is used for receiving the fan operation parameter that first acquisition module 15 sends, and surpasses default fan operation parameter threshold if determine described fan operation parameter, then sends described alarm signal fan monitoring unit 11.
For instance, controller of fan 14 can be connected by the wind field proprietary network with first acquisition module 15, and video monitor 13 also can be connected by the wind field proprietary network with second acquisition module 16.Particularly, video monitor can be arranged on central control room, and first acquisition module 15 and second acquisition module 16 can be installed in the blower fan cabin.
For instance, when the fan operation parameter is rotating speed, can in controller of fan, set in advance rotary speed threshold value, when the rotating speed that first acquisition module 15 that receives when controller of fan 14 collects surpasses default rotary speed threshold value, send alarm signal.Yes it may be noted that the described fan operation parameter of present embodiment is not limited to rotating speed, in further example, described fan operation parameter also can comprise the vibration parameters of blower fan or the temperature parameter of blower fan etc.
In the present embodiment, when blower fan monitoring unit 11 receives the alarm signal of controller of fan 14 transmissions, can also start the abnormal protection action, wind power generating set is shut down.Particularly, blower fan monitoring unit 11 also be used for to be resolved the sign of the blower fan that described alarm signal comprises, according to the sign of described blower fan, send shutdown operation instruct to described controller of fan;
Controller of fan 14 also is used for receiving the shutdown operation instruction that blower fan monitoring unit 11 sends, and according to described shutdown operation instruction, it is out of service to control described blower fan.
Wherein, the sign of blower fan can be the blower fan number that system sets in advance, and also can be first acquisition module that arranges in the described blower fan or the sign of controller of fan.
Alternatively, controller of fan 14 also is used for then sending described fan operation parameter fan monitoring unit 11 and showing if determine that described fan operation parameter is no more than the fan operation parameter threshold.Accordingly, blower fan monitoring unit 11 also is used for the described fan operation parameter that shows that in real time controller of fan 14 sends.
Further, video monitor 13 specifically comprises:
Memory module 131 also is used for receiving the blower fan video information that second acquisition module 16 sends, and described blower fan video information is stored in the storage element corresponding with the sign of described blower fan;
Enquiry module 132, the sign of the described blower fan of the alarm signal after the parsing that is used for sending according to described interlock module is inquired about the storage element corresponding with the sign of described blower fan;
Calling module 133, the described time of fire alarming of the alarm signal after the parsing that is used for sending according to described interlock module is determined the corresponding IMAQ time, in the storage element of the sign correspondence of described blower fan, call the blower fan image information with described IMAQ time coupling, and show.
In actual conditions, second acquisition module (as vidicon camera) all is installed on every typhoon machine, second acquisition module is gathered the blower fan video information in real time.Further, the memory module 131 of present embodiment is provided with a plurality of storage elements, each storage element is corresponding one by one with the sign of every typhoon machine, be used for storing the blower fan video information corresponding with the sign of described blower fan, when the alarm signal after interlock module 12 will be resolved sends to video monitor 13, trigger video monitor 13 and show and the sign of described blower fan and the blower fan image information of time of fire alarming coupling.
Need to prove that in actual conditions, above-mentioned first acquisition module 15 comprises two velocity transducers at least, velocity transducer is installed in the slip ring of gear box side of described blower fan, is used for detecting hub rotation speed; Another velocity transducer is installed in the generator non-drive side of described blower fan, is used for detecting the rotating speed of generator; Above-mentioned second acquisition module 16 comprises a vidicon camera at least.Accordingly, the fan operation parameter can comprise hub rotation speed and generator speed, be preset with hub rotation speed threshold value and generator speed threshold value in the controller of fan, when hub rotation speed surpasses the hub rotation speed threshold value, and/or generator speed is when surpassing the generator speed threshold value, and controller of fan aweather machine monitoring device sends alarm signal.It is pointed out that described first acquisition module of present embodiment is not limited to velocity transducer, in further example, described first acquisition module also can the involving vibrations sensor or temperature transducer etc.
The embodiment of the invention is by the interlock module, resolve sign and the time of fire alarming of the blower fan that comprises in the alarm signal of blower fan monitoring unit transmission, and the alarm signal after will resolving sends to video monitor, so that video monitor is according to sign and the time of fire alarming of blower fan, show and the sign of blower fan and the blower fan image information of time of fire alarming coupling, analyze and handle for the staff, can solve the problem that there is hysteresis quality in existing blower fan group prosecutor formula.Simultaneously, the blower fan monitoring unit of present embodiment can according to alarm signal send shutdown operation instruct to the marking matched controller of fan of blower fan, start the stoppage protection action, the Security that can improve fan operation.
The schematic flow sheet of the blower fan monitoring method that Fig. 3 provides for the embodiment of the invention three specifically comprises:
Step 301, blower fan monitoring unit receive the alarm signal of the controller of fan transmission that is installed on the blower fan, and described alarm signal is sent to the interlock module, and described alarm signal comprises the sign of time of fire alarming and described blower fan.
For instance, the blower fan monitoring unit of present embodiment is connected by the wind field proprietary network with controller of fan, when hypervelocity and fault take place in blower fan, be installed on the blower fan controller of fan aweather the machine monitoring device send alarm signal, wherein, alarm signal comprises the sign of time of fire alarming and blower fan, for instance, time of fire alarming can determine that the current time in system when sending alarm signal as controller of fan, the sign of blower fan can be the blower fan number that system sets in advance by the current time in system.The blower fan monitoring unit can be set up the corresponding relation of the sign of described controller of fan and described blower fan after the alarm signal that receives the controller of fan transmission.
In the present embodiment, before step 301, gather the fan operation parameter in real time with first acquisition module that controller of fan is installed on the same blower fan, and send to controller of fan by the wind field proprietary network.
The fan operation parameter that controller of fan sends according to first acquisition module surpasses the fan operation parameter threshold if determine described fan operation parameter, then sends described alarm signal fan monitoring unit.
For instance, when the fan operation parameter is rotating speed, can in controller of fan, set in advance rotary speed threshold value, when the rotating speed that first acquisition module that receives when controller of fan collects surpasses default rotary speed threshold value, send alarm signal.Yes it may be noted that the described fan operation parameter of present embodiment is not limited to rotating speed, in further example, described fan operation parameter also can comprise the vibration parameters of blower fan or the temperature parameter of blower fan etc.
In the present embodiment, when the blower fan monitoring unit receives the alarm signal of controller of fan transmission, can also start the overspeed protection action, wind power generating set is shut down.Particularly, the blower fan monitoring unit is resolved the sign of the blower fan that comprises in the described alarm signal, according to the sign of described blower fan, send shutdown operation instruct to described controller of fan;
Accordingly, the shutdown operation instruction that controller of fan sends according to the blower fan monitoring unit, it is out of service to control described blower fan.
Wherein, the sign of blower fan can be the blower fan number that system sets in advance, and also can be first acquisition module that arranges in the described blower fan or the sign of controller of fan.
Alternatively, controller of fan then sends described fan operation parameter fan monitoring unit and shows if determine that described fan operation parameter is no more than the fan operation parameter threshold.
Accordingly, the blower fan monitoring unit shows the described fan operation parameter that controller of fan sends in real time.
Need explanation to be, in the present embodiment, the blower fan monitoring unit can send to the interlock module with alarm signal before sending the shutdown operation instruction, perhaps can after sending the shutdown operation instruction alarm signal be sent to the interlock module.
The time of fire alarming that comprises in step 302, the described alarm signal of described interlock module parses and the sign of blower fan send to video monitor with the described alarm signal after resolving.
For instance, the blower fan monitoring unit of present embodiment, interlock module and video monitor can be arranged on the central control room of wind field, and blower fan monitoring unit, interlock module communicate by proprietary network with video monitor and be connected.When the interlock module receives the alarm signal of blower fan monitoring unit transmission, can resolve alarm signal, as resolve the time of fire alarming that comprises in the alarm signal and the sign of blower fan, and the alarm signal after will resolving sends to described video monitor by proprietary network.
Step 303, described video monitor are determined and the sign of described blower fan and the blower fan image information of time of fire alarming coupling, and are shown according to sign and the described time of fire alarming of described blower fan.
In the present embodiment, before step 301, be installed in second acquisition module on the same blower fan with controller of fan, gather the blower fan video information in real time, described blower fan video information comprises sign, blower fan image information and the IMAQ time of blower fan for instance, by the wind field proprietary network blower fan video information is sent to video monitor in real time.
Accordingly, video monitor is stored in the described blower fan video information that second acquisition module sends in the storage element corresponding with the sign of described blower fan.
During alarm signal after video monitor receives the parsing that the interlock module sends, according to the sign of the described blower fan in the described alarm signal, inquire about the storage element corresponding with the sign of described blower fan; Further determine the corresponding IMAQ time according to the described time of fire alarming in the described alarm signal, in the storage element of the sign correspondence of described blower fan, call the blower fan image information with described IMAQ time coupling, and show.
In actual conditions, second acquisition module (as vidicon camera) all is installed on every typhoon machine, second acquisition module is gathered the blower fan video information in real time.Further, the blower fan video information that the video monitor of present embodiment sends second acquisition module in every typhoon machine be stored in the corresponding storage element of the sign of every typhoon machine in, when the alarm signal after the interlock module will be resolved sends to video monitor, trigger video monitor and show and the sign of described blower fan and the blower fan image information of time of fire alarming coupling.
Need to prove that in actual conditions, above-mentioned first acquisition module comprises two velocity transducers at least, velocity transducer is installed in the slip ring of gear box side of described blower fan, is used for detecting hub rotation speed; Another velocity transducer is installed in the generator non-drive side of described blower fan, is used for detecting the rotating speed of generator; Above-mentioned second acquisition module comprises a vidicon camera at least.Accordingly, the fan operation parameter can comprise hub rotation speed and generator speed, be preset with hub rotation speed threshold value and generator speed threshold value in the controller of fan, when hub rotation speed surpasses the hub rotation speed threshold value, and/or generator speed is when surpassing the generator speed threshold value, and controller of fan aweather machine monitoring device sends alarm signal.It is pointed out that described first acquisition module of present embodiment is not limited to velocity transducer, in further example, described first acquisition module also can the involving vibrations sensor or temperature transducer etc.
Method shown in the present embodiment specifically can realize the function of Fig. 1 or described system embodiment illustrated in fig. 2, and it realizes that principle and technique effect repeat no more.
The structural representation of the blower fan group supervisory system that Fig. 4 provides for the embodiment of the invention four comprises:
Described blower fan supervisory system embodiment illustrated in fig. 1;
Many typhoons machine further, is installed a controller of fan, two acquisition modules at least in every typhoon machine.
System shown in the present embodiment can specifically carry out described method embodiment illustrated in fig. 3, and it realizes that principle and technique effect repeat no more.
It should be noted that at last: above embodiment only in order to technological scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technological scheme.

Claims (10)

1. a blower fan supervisory system is characterized in that, comprising: blower fan monitoring unit, interlock module and video monitor;
Described blower fan monitoring unit is used for reception and is installed in the alarm signal that the controller of fan on the blower fan sends, and described alarm signal is sent to the interlock module, and described alarm signal comprises the sign of time of fire alarming and described blower fan;
Described interlock module be used for to be resolved time of fire alarming that described alarm signal comprises and the sign of blower fan, and the described alarm signal after resolving is sent to described video monitor;
Described video monitor is used for sign and described time of fire alarming according to described blower fan, determines and the sign of described blower fan and the blower fan image information of time of fire alarming coupling, and shows.
2. system according to claim 1 is characterized in that, described system also comprises: described controller of fan is installed in first acquisition module and second acquisition module on the same blower fan with described controller of fan;
Described first acquisition module is connected with described controller of fan, is used for gathering the fan operation parameter of described blower fan, and sends to described controller of fan;
Described second acquisition module is connected with described video monitor, is used for gathering the blower fan video information of described blower fan, and sends to described video monitor, and described blower fan video information comprises sign and the IMAQ time of blower fan image information, described blower fan;
Described controller of fan is used for receiving the fan operation parameter that described first acquisition module sends, and surpasses default fan operation parameter threshold if determine described fan operation parameter, then sends described alarm signal to described blower fan monitoring unit.
3. system according to claim 2 is characterized in that, described blower fan monitoring unit also be used for to be resolved the sign of the blower fan that described alarm signal comprises, and according to the sign of described blower fan, sends shutdown operation and instructs to described controller of fan;
Described controller of fan also is used for receiving the shutdown operation instruction that described blower fan monitoring unit sends, and according to described shutdown operation instruction, it is out of service to control described blower fan.
4. system according to claim 2 is characterized in that, described video monitor comprises:
Memory module is used for receiving the blower fan video information that described second acquisition module sends, and described blower fan video information is stored in the storage element corresponding with the sign of described blower fan;
Enquiry module, the sign of the described blower fan of the alarm signal after the parsing that is used for sending according to described interlock module, the local storage element corresponding with the sign of described blower fan of inquiry;
Calling module, the described time of fire alarming of the alarm signal after the parsing that is used for sending according to described interlock module is determined the corresponding IMAQ time, in the storage element of the sign correspondence of described blower fan, call the blower fan image information with described IMAQ time coupling, and show.
5. according to each described system among the claim 2-4, it is characterized in that, described first acquisition module comprises two velocity transducers at least, velocity transducer is installed in the slip ring of gear box side of described blower fan, for detection of hub rotation speed, another velocity transducer is installed in the generator non-drive side of described blower fan, for detection of the rotating speed of generator; Described second acquisition module comprises a vidicon camera at least.
6. a blower fan monitoring method is characterized in that, comprising:
The blower fan monitoring unit receives the alarm signal of the controller of fan transmission that is installed on the blower fan, and described alarm signal is sent to the interlock module, and described alarm signal comprises the sign of time of fire alarming and described blower fan;
The time of fire alarming that comprises in the described alarm signal of described interlock module parses and the sign of blower fan send to video monitor with the described alarm signal after resolving;
Described video monitor is determined and the sign of described blower fan and the blower fan image information of time of fire alarming coupling, and is shown according to sign and the described time of fire alarming of described blower fan.
7. method according to claim 6 is characterized in that, the alarm signal that described blower fan monitoring unit receives the controller of fan transmission comprises before:
Described controller of fan receives the fan operation parameter that first acquisition module sends, and described controller of fan and described first acquisition module are arranged in same blower fan;
Described controller of fan surpasses default fan operation parameter threshold if determine described fan operation parameter, then sends described alarm signal to described blower fan monitoring unit.
8. method according to claim 6 is characterized in that, the alarm signal that described blower fan monitoring unit receives the controller of fan transmission comprises afterwards:
Described blower fan monitoring unit is resolved the sign of the blower fan that comprises in the described alarm signal, sends shutdown operation and instructs to described controller of fan;
Described controller of fan instructs according to described shutdown operation, and it is out of service to control described blower fan.
9. according to each described method among the claim 6-8, it is characterized in that the alarm signal that described blower fan monitoring unit receives the controller of fan transmission also comprises before:
Described video monitor receives the blower fan video information that second acquisition module sends, and described blower fan video information comprises sign and the IMAQ time of blower fan image information, blower fan, and described second acquisition module and described first acquisition module are arranged in same blower fan;
Described video monitor is stored in described blower fan video information in the storage element corresponding with the sign of described blower fan;
Described video monitor is according to sign and the described time of fire alarming of described blower fan, determines and the sign of described blower fan and the blower fan image information of time of fire alarming coupling, and shows specifically and comprise:
According to the sign of the described blower fan in the alarm signal after the parsing of described interlock module transmission, the local storage element corresponding with the sign of described blower fan of inquiry;
Determine the corresponding IMAQ time according to the described time of fire alarming in the alarm signal after the parsing of described interlock module transmission, in the storage element of the sign correspondence of described blower fan, call the blower fan image information with described IMAQ time coupling, and show.
10. a blower fan group supervisory system is characterized in that, comprising:
As each described blower fan supervisory system among the claim 1-5;
Many typhoons machine is installed a controller of fan at least in every typhoon machine.
CN201210040203.4A 2012-02-20 2012-02-20 Fan monitoring method and system, blower fan group monitoring system Active CN103256173B (en)

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CN201865843U (en) * 2010-09-26 2011-06-15 陕西宇宏国际建机有限公司 Intelligent analysis and monitoring device for wind farm and wind power engine room
CN201991704U (en) * 2011-02-18 2011-09-28 华锐风电科技(集团)股份有限公司 Security system for wind turbine

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