CN106647580B - Load parameter monitoring system and method of wind generating set - Google Patents
Load parameter monitoring system and method of wind generating set Download PDFInfo
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Abstract
The invention discloses a load parameter monitoring system and method of a wind generating set, relates to the field of wind power generation, and aims to solve the problem of low accuracy of load condition evaluation. This wind generating set's load parameter monitoring system includes: the data acquisition units are arranged on the parts to be detected in a one-to-one correspondence manner; the master control unit simultaneously sends time setting instructions containing the same time setting information to a plurality of data acquisition clock units which are set aiming at a plurality of data acquisition units; the data acquisition clock units are respectively arranged aiming at the data acquisition units, receive the time synchronization instruction and carry out time synchronization according to the time synchronization information in the time synchronization instruction; the plurality of data acquisition units also acquire the load parameter data of the corresponding component to be detected under the control of the respective time-tick data acquisition clock units.
Description
Technical field
The present invention relates to a kind of load parameter of wind power generation field more particularly to wind power generating set monitoring system and sides
Method.
Background technique
Wind power generating set is the equipment for converting wind energy into electric energy, and the safety of wind power generating set is most important, in order to
Safety of the accurate assessment Wind turbines under different operating conditions, under different geography, environment, need to wind power generating set
Load condition is assessed.And want to assess load condition, need the different the parts to be tested from wind power generating set
Acquire the load parameters data such as meteorological parameter, rack load and set state amount.For example, some load parameter data need from
Impeller acquisition, some load parameter data need to acquire from cabin, and load parameter data also need to acquire from pylon.
Since wind power generating set volume is big, the different the parts to be tested of wind power generating set are distributed dispersion, it is different to
Several hundred rice can even be reached by surveying the distance between component.Since the different the parts to be tested of wind power generating set are distributed dispersion,
It is difficult to synchronize the different the parts to be tested acquisition load parameter data of reliable testing wind power generation unit.And assess wind-power electricity generation
The load condition of unit needs the load parameters data such as meteorological parameter, rack load and set state amount under synchronization,
Accurate load condition can just be accessed.
It is existing in order to get the load parameter data for the parts to be tested that the wind power generating set of synchronization is dispersed
The method that technology uses artificial clock synchronization, in the parts to be tested for the wind power generating set dispersion for needing to carry out load parameter data acquisition
Time terminal is set, staff is sent to go at each the parts to be tested of wind power generating set, manually by multiple dispersions to
Survey parts data acquisition system terminal time sets time, to realize the to be measured of the synchronous a certain moment wind power generating set of acquisition
The load parameter data of component.But since using artificial clock synchronization, staff is difficult to ensure that wind power generating set is dispersed
The parts to be tested time terminal accurate clock synchronization, the respective time terminal adjusted of the parts to be tested of wind power generating set dispersion
Time between can have biggish accumulated error after prolonged operational process.The precision of artificial clock synchronization is relatively low, nothing
The load parameter data of the component part of method synchronous acquisition wind power generating set dispersion, the parts to be tested of wind power generating set dispersion
Load parameter data the acquisition moment it is different, the accuracy of load condition assessment can be reduced.
Summary of the invention
The embodiment of the invention provides a kind of load parameters of wind power generating set to monitor System and method for, can guarantee wind
The synchronous acquisition of the load parameter data of the parts to be tested of power generator group dispersion, improves the accuracy of load condition assessment.
In a first aspect, the embodiment of the invention provides a kind of load parameters of wind power generating set to monitor system, wind-force hair
Motor group has multiple the parts to be tested, and system includes: multiple data acquisition units, is installed in multiple portions to be measured correspondingly
On part；Main control unit, while packet is sent respectively to the multiple data acquisition clock unit being arranged for multiple data acquisition units
Clock synchronization instruction containing identical clock synchronization information；Multiple data acquire clock unit, are set respectively for multiple data acquisition units
Set, receive clock synchronization instruction, and according to clock synchronization instruct in clock synchronization information set time；Wherein, multiple data acquisition units also exist
Under the control of the respective data acquisition clock unit by clock synchronization, the load parameter data of corresponding the parts to be tested are acquired.
Specifically, main control unit is also sent to multiple data acquisition clock unit respectively acquires the moment comprising identical target
Acquisition control instruction；Data acquire clock unit and instruct also according to acquisition control, in target acquisition time trigger data acquisition
The load parameter data of unit acquisition the parts to be tested.
Specifically, main control unit also sends session establishment request to multiple data acquisition clock unit respectively, and in data
After acquiring clock unit return session agreement response, conversational communication is established with multiple data acquisition clock unit；When data acquire
Clock unit also receives the session establishment request of main control unit transmission, and sends session to main control unit and agree to response, with master control list
Member establishes conversational communication.
Specifically, being assisted between main control unit and multiple data acquisition clock unit using controller local area network's CAN bus
View communication.
Second aspect, the embodiment of the invention provides a kind of load ginsengs using the wind power generating set in above-described embodiment
The load parameter monitoring method of the wind power generating set of number monitoring system, method include: from main control unit simultaneously to multiple data
Acquisition clock unit sends the clock synchronization comprising identical clock synchronization information respectively and instructs；Clock synchronization is received by data acquisition clock unit to refer to
It enables, and is set time according to clock synchronization information；By data acquisition unit under the control of the data acquisition clock unit Jing Guo clock synchronization,
Acquire the load parameter data of the parts to be tested.
Further, under the control of data acquisition clock unit, the load of the parts to be tested is being acquired by data acquisition unit
Before the step of lotus supplemental characteristic, further includes: sent respectively from main control unit to multiple data acquisition clock unit comprising identical
Target acquisition the moment acquisition control instruction；It is instructed by data acquisition clock unit according to acquisition control, in target acquisition
Carve the load parameter data of trigger data acquisition unit acquisition the parts to be tested.
Further, it is at a time being sent simultaneously to multiple data acquisition clock unit comprising identical from main control unit
Clock synchronization information clock synchronization instruction the step of before, further includes: from main control unit to multiple data acquisition clock unit send meeting
Words establish request；When multiple data acquisition clock unit returns to session agreement response, acquired by main control unit and multiple data
Clock unit establishes conversational communication respectively.
Specifically, being assisted between main control unit and multiple data acquisition clock unit using controller local area network's CAN bus
View communication.
The third aspect, the embodiment of the invention provides a kind of load parameter monitoring methods of wind power generating set, are used for
The main control unit in embodiment is stated, method includes: while sent respectively to multiple data acquisition clock unit comprising identical right
When information clock synchronization instruction so that multiple data acquisition clock unit set time according to clock synchronization information.
Further, it at a time sends to multiple data acquisition clock unit and is believed comprising identical clock synchronization respectively simultaneously
After the step of clock synchronization instruction of breath, further includes: send adopting comprising the target acquisition moment to multiple data acquisition clock unit
Collect control instruction, so that multiple data acquire clock unit triggers the data acquisition being correspondingly arranged at the target acquisition moment respectively
The load parameter data of unit acquisition the parts to be tested.
Further, it at a time sends to multiple data acquisition clock unit and is believed comprising identical clock synchronization respectively simultaneously
After the step of clock synchronization instruction of breath, further includes: send session establishment request to multiple data acquisition clock unit；It is receiving
After response is agreed in the session that multiple data acquisition clock units return, communication meeting is established respectively with multiple data acquisition clock unit
Words.
Fourth aspect, the embodiment of the invention provides a kind of load parameter monitoring methods of wind power generating set, are used for
The data acquisition clock unit in embodiment is stated, method includes: reception main control unit transmission comprising identical clock synchronization information
Clock synchronization instruction；It is set time according to clock synchronization information.
Further, after the step of according to clock synchronization information, adjusting present clock, further includes: receive main control unit hair
The acquisition control instruction comprising the target acquisition moment sent；It is adopted in the data acquisition unit that target acquisition time trigger is correspondingly arranged
Collect the load parameter data of the parts to be tested.
Further, before the step of receive main control unit transmission includes the clock synchronization instruction of identical clock synchronization information,
Further include: receive the session establishment request that main control unit is sent；Session is sent to main control unit and agrees to response, is built with main control unit
Vertical conversational communication.
In the load parameter monitoring System and method for of wind power generating set provided in an embodiment of the present invention, main control unit is simultaneously
It sends the clock synchronization comprising identical clock synchronization information respectively to multiple data acquisition clock unit to instruct, each data acquire clock list
Clock synchronization information in first instruction of clock synchronization based on the received is set time, and multiple data acquisition units pass through clock synchronization corresponding
Under the control of data acquisition clock afterwards, the acquisition of load parameter data is carried out to corresponding the parts to be tested.Due to multiple data
Acquisition clock unit is set time according to identical clock synchronization information, therefore the present clock of the data acquisition clock unit after clock synchronization
It is able to maintain identical.Under data acquisition clock unit control after clock synchronization, multiple data acquisition units be can be realized same
One moment acquired the load parameter data of each the parts to be tested, to improve the load carried out using collected load parameter data
The accuracy of lotus situation assessment.
Detailed description of the invention
The present invention may be better understood from the description with reference to the accompanying drawing to a specific embodiment of the invention wherein,
The same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 is that the load parameter of the wind power generating set in one embodiment of the invention monitors the structural schematic diagram of system；
Fig. 2 is in the load parameter monitoring system of each the parts to be tested and wind power generating set in wind power generating set
The structural schematic diagram of main control unit；
Fig. 3 is the flow chart of the load parameter monitoring method of the wind power generating set in one embodiment of the invention；
Fig. 4 is the flow chart of the load parameter monitoring method of the wind power generating set in another embodiment of the present invention；
Fig. 5 is the flow chart of the load parameter monitoring method of the wind power generating set in further embodiment of this invention；
Fig. 6 is the load parameter monitoring method of the wind power generating set for main control unit in one embodiment of the invention；
Fig. 7 is the load parameter prison of the wind power generating set that clock unit is acquired for data in one embodiment of the invention
Survey method.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, many details are proposed, in order to provide complete understanding of the present invention.But to those skilled in the art
It will be apparent that the present invention can be implemented in the case where not needing some details in these details.Below to implementation
The description of example is used for the purpose of providing by showing example of the invention and better understanding of the invention.The present invention never limits
In any concrete configuration set forth below and algorithm, but cover under the premise of without departing from the spirit of the present invention element,
Any modification, replacement and the improvement of component and algorithm.In the the accompanying drawings and the following description, well known structure and skill is not shown
Art is unnecessary fuzzy to avoid causing the present invention.
In order to the load parameter data of each the parts to be tested of synchronously tested wind power generating set, the present invention one is implemented
Example provides a kind of load parameter monitoring system of wind power generating set.Fig. 1 is the wind-driven generator in one embodiment of the invention
The structural schematic diagram of the load parameter monitoring system of group, as shown in Figure 1, the load parameter monitoring system of wind power generating set includes
Multiple data acquisition units 11, main control unit 12, multiple data acquire clock unit 13.Data acquisition unit 11, main control unit
Connection between 12 and data acquisition unit 11 can be electrical connection or signal connection.
Wherein, multiple data acquisition units 11 are mounted on correspondingly in multiple the parts to be tested, and multiple data acquisitions are single
Member 11 acquires the load parameter data of the parts to be tested.Wherein, data acquisition unit 11 may include a sensor, also can wrap
Multiple sensors are included, multiple sensors can measure a kind of load parameter data, can also measure a variety of load parameter data.It is main
Control unit 12 is sent to the multiple data acquisition clock unit 13 being arranged for multiple data acquisition units 11 respectively simultaneously
The clock synchronization of identical clock synchronization information instructs.Multiple data acquisition clock units 13 are set with multiple data acquisition units 11 one-to-one correspondence
Set, data acquire clock unit 13 receive clock synchronization instruction, and according to clock synchronization instruct in clock synchronization information set time.Data acquisition
Clock unit 13 can be set in the parts to be tested, can also be not arranged in the parts to be tested, not limit herein.
Main control unit 12 sends the clock synchronization comprising identical clock synchronization information to multiple data acquisition clock unit 13 simultaneously and refers to
Enable, when each data acquisition clock unit 13 receives clock synchronization instruction, by the present clock of itself according to clock synchronization instruct in pair
When information be adjusted.Specifically, clock synchronization information specifically can be a clock synchronization moment.So each data acquire clock unit
13 receive clock synchronization instruction when, the present clock of itself can be adjusted to the clock synchronization moment.Since each data acquire clock list
The clock synchronization information in clock synchronization instruction that member 13 receives is all the same, and the present clock of each data acquisition clock unit 13 can be adjusted
Whole is synchronization.Data acquisition unit 11 is also in the control for the data acquisition clock unit 13 by clock synchronization being respectively correspondingly arranged
Under system, the load parameter data of corresponding the parts to be tested are acquired.
The load condition of wind power generating set is assessed, needs to obtain the various load parameter numbers of wind power generating set
According to various load parameter data need each the parts to be tested from multiple the parts to be tested of wind power generating set to obtain.For example,
The parts to be tested of wind power generating set may include unit allocation unit 14, wind detection unit 15, cabin unit 16, masthead units
17, the components such as impeller units 18, slip ring 19 and power cell 20.Fig. 2 is each the parts to be tested and wind in wind power generating set
The structural schematic diagram of main control unit 12 in the load parameter monitoring system of power generator group.
It should be noted that the connection of main control unit 12 and each the parts to be tested indicated is main control unit 12 in Fig. 2
Data acquisition clock unit 13 corresponding with the data acquisition unit 11 in each the parts to be tested is connected.In impeller units 18
Data acquisition unit 11 can acquire blade loading parameter, moving axis load parameter, hubload parameter, variable pitch support load parameter
Equal load parameters data, in cabin unit 16 data acquisition unit 11 can acquire dead axle load parameter, load on substructure parameter,
The load parameters data such as nacelle lattice work load parameter, data acquisition unit 11 can acquire tower top load ginseng on masthead units 17
The load parameters data such as number, weld seam load parameter, on wind detection unit 15 data acquisition unit 11 can acquire wind speed, wind pressure,
The load parameters data such as humidity, temperature, air pressure, rainfall, data acquisition unit 11 can acquire unit on unit allocation unit 14
The load parameters data such as operating status, the power of the assembling unit, grid connection state amount, data acquisition unit 11 can be adopted on power cell 20
The load parameters data such as collecting voltage, electric current.
It is generally arranged on the anemometer tower far from blower due to wind detection unit 15, wind detection unit 15 and setting are in tower bottom
Main control unit 12 usually apart from several hundred rice.And be arranged in the impeller units 18, cabin unit 16 and masthead units 17 of tower top away from
Also there are 100 meters or so from main control unit 12.And power cell 20 and unit allocation unit 14 are also disposed at tower bottom, with master control
The physical distance of unit 12 is close.As such, it is desirable to solve the problems, such as i.e. wind detection unit 15, impeller units 18, cabin unit 16, tower
How top unit 17, power cell 20 reach synchronous with the load parameter data that unit allocation unit 14 acquires.
In the embodiment of the present invention, due to the clock synchronization letter in the received clock synchronization instruction of each data acquisition clock unit 13
Manner of breathing is same, therefore, each data acquisition clock unit 13 can clock synchronization be the identical time, and the error generated is fairly small, can
To ignore.The load ginseng that data acquisition unit 11 acquires the parts to be tested is controlled by the data acquisition clock unit 13 after clock synchronization
Number data, to realize the synchronous acquisition of the load parameter data to each the parts to be tested of wind power generating set.
In the load parameter monitoring system of wind power generating set provided in an embodiment of the present invention, main control unit 12 is simultaneously to more
A data acquisition clock unit 13 sends the clock synchronization comprising identical clock synchronization information respectively and instructs, and each data acquire clock unit
13 based on the received clock synchronization instruction in clock synchronization information set time, multiple data acquisition units 11 it is corresponding by pair
When after data acquisition clock control under, to corresponding the parts to be tested carry out load parameter data acquisition.Due to multiple numbers
It is set time according to acquisition clock unit 13 according to identical clock synchronization information, therefore the data after clock synchronization acquire working as clock unit 13
Preceding clock is able to maintain identical.Under data acquisition clock unit 13 after clock synchronization controls, multiple 11 energy of data acquisition unit
Enough realize acquires the load parameter data of each the parts to be tested in synchronization, utilizes collected load parameter number to improve
The accuracy assessed according to the load condition of progress.It can also realize the load of each the parts to be tested of the dispersion to wind power generating set
The Simultaneous Monitoring of lotus supplemental characteristic.
Main control unit 12 in above-described embodiment is also sent respectively to multiple data acquisition clock unit 13 comprising identical
Target acquires the acquisition control instruction at moment.Data acquire clock unit 13 and instruct also according to acquisition control, in target acquisition
Carve the load parameter data that trigger data acquisition unit 11 acquires the parts to be tested.
Data acquisition clock unit 13 receives the acquisition control instruction of the transmission of main control unit 12, acquires the moment in target,
Trigger data acquisition unit 11 acquires the load parameter data of corresponding the parts to be tested.It should be noted that multiple data acquisitions
The target acquisition moment in acquisition control instruction that clock unit 13 receives is identical, and multiple data acquisition clock units 13 are same
One moment trigger data acquisition unit 11 acquires the load parameter data of corresponding the parts to be tested, realizes synchronous acquisition wind-power electricity generation
The load parameter data for each the parts to be tested dispersed in unit, and to each the parts to be tested dispersed in wind power generating set
Load parameter data Simultaneous Monitoring.
Before main control unit 12 and data acquisition clock unit 13 set time the interaction of instruction and acquisition control instruction,
Main control unit 12 is needed first to establish communication connection with data acquisition clock unit 13.Main control unit 12 in above-described embodiment also to
Multiple data acquisition clock units 13 send session establishment request respectively, and return to session in data acquisition clock unit 13 and agree to
After response, conversational communication is established with multiple data acquisition clock unit 13.Data acquisition clock unit 13 also receives main control unit
The 12 session establishment requests sent, and send session to main control unit 12 and agree to response, conversational communication is established with main control unit 12.
Specifically, the session establishment request that main control unit 12 is sent can be handshake request message, data acquire clock unit 13 and return
Session agree to that response can be to shake hands and receive message, do not limit herein.
It should be noted that using CAN (Controller between main control unit 12 and multiple data acquisition clock unit 13
Area Network, controller local area network) bus protocol communication.It can also be suitable for the communication of distributed system using other
Agreement is communicated.
Fig. 3 is the flow chart of the load parameter monitoring method of the wind power generating set in one embodiment of the invention, the wind-force
The load parameter that the load parameter monitoring method of generating set is applied to the wind power generating set in above-described embodiment monitors system.
As shown in figure 3, the load parameter monitoring method of wind power generating set includes step 301- step 303.
In step 301, it is sent respectively to multiple data acquisition clock unit comprising identical right simultaneously from main control unit
When information clock synchronization instruction.
In step 302, clock synchronization instruction is received by data acquisition clock unit, and is set time according to clock synchronization information.
Specifically, clock synchronization information can be the clock synchronization moment, data acquire clock unit can be by the present clock tune of itself
The whole clock synchronization moment in clock synchronization instruction.
In step 303, by data acquisition unit Jing Guo clock synchronization data acquisition clock unit control under, acquisition to
Survey the load parameter data of component.
In the load parameter monitoring method of wind power generating set provided in an embodiment of the present invention, main control unit is simultaneously to multiple
Data acquisition clock unit sends the clock synchronization comprising identical clock synchronization information respectively and instructs, each data acquire clock unit according to
Clock synchronization information in received clock synchronization instruction is set time, and multiple data acquisition units are in corresponding number after clock synchronization
Under control according to acquisition clock, the acquisition of load parameter data is carried out to corresponding the parts to be tested.When due to the acquisition of multiple data
Clock unit is set time according to identical clock synchronization information, therefore the present clock of the data acquisition clock unit after clock synchronization can
Keep identical.Under data acquisition clock unit control after clock synchronization, multiple data acquisition units be can be realized in synchronization
The load parameter data of each the parts to be tested are acquired, to improve the load condition carried out using collected load parameter data
The accuracy of assessment.It can also realize the synchronization of the load parameter data of each the parts to be tested of the dispersion to wind power generating set
Monitoring.
Fig. 4 is the flow chart of the load parameter monitoring method of the wind power generating set in another embodiment of the present invention, in Fig. 4
Shown step 301- step 303 and step 301- step 303 shown in Fig. 3 are essentially identical.The difference is that such as Fig. 4
It is shown, step 304- step 305 can also be increased before step 303.
In step 304, it sends from main control unit to multiple data acquisition clock unit and is adopted comprising identical target respectively
Collect the acquisition control instruction at moment.
In step 305, it is instructed by data acquisition clock unit according to acquisition control, acquires time trigger data in target
The load parameter data of acquisition unit acquisition the parts to be tested.
In embodiments of the present invention, the target acquisition in acquisition control instruction that multiple data acquisition clock units receive
Moment is identical, and multiple data acquisition clock units acquire the load of corresponding the parts to be tested in synchronization trigger data acquisition unit
Lotus supplemental characteristic realizes the load parameter data of the synchronous each the parts to be tested for obtaining and dispersing in wind power generating set and right
The Simultaneous Monitoring of the load parameter data for each the parts to be tested dispersed in wind power generating set.
Fig. 5 is the flow chart of the load parameter monitoring method of the wind power generating set in further embodiment of this invention, in Fig. 5
Shown step 301- step 303 and step 301- step 303 shown in Fig. 3 are essentially identical.The difference is that such as Fig. 5
It is shown, step 306- step 307 can also be increased before step 301.
Within step 306, session establishment request is sent from main control unit to multiple data acquisition clock unit.
In step 307, multiple data acquisition clock unit return session agree to response when, by main control unit with it is multiple
Data acquisition clock unit establishes conversational communication respectively.
It should be noted that using CAN bus protocol between main control unit and multiple data acquisition clock unit.
In embodiments of the present invention, instruction is set time with data acquisition clock unit in main control unit and acquisition control refers to
Before the interaction of order, main control unit is needed first to establish communication connection with data acquisition clock unit, in order to main in follow-up process
Control unit is communicated with data acquisition clock unit.
Fig. 6 is the load parameter monitoring method of the wind power generating set for main control unit in one embodiment of the invention,
As shown in fig. 6, the method comprising the steps of 401.
In step 401, while to multiple data acquisition clock unit pair comprising identical clock synchronization information is sent respectively
Shi Zhiling, so that multiple data, which acquire clock unit, adjusts present clock according to clock synchronization information.
In the load parameter monitoring method of wind power generating set provided in an embodiment of the present invention, it to be used for main control unit, master control
Unit sends the clock synchronization comprising identical clock synchronization information to multiple data acquisition clock unit simultaneously respectively and instructs, so that multiple
Data acquisition clock unit is set time according to clock synchronization information.Since multiple data acquisition clock unit is believed according to identical clock synchronization
Breath is set time, thus after clock synchronization data acquisition clock unit present clock be able to maintain it is identical.Number after clock synchronization
According under acquisition clock unit control, multiple data acquisition units, which can be realized, acquires the load of each the parts to be tested in synchronization
Supplemental characteristic, to improve the accuracy of the load condition assessment carried out using collected load parameter data.It can also be real
Now to the Simultaneous Monitoring of the load parameter data of each the parts to be tested of the dispersion of wind power generating set.
It should be noted that in order to the load of synchronous acquisition the parts to be tested of each dispersion into wind power generating set
Supplemental characteristic, the load parameter monitoring method of the wind power generating set for main control unit can also include step 402.In step
In 402, the acquisition control instruction comprising the target acquisition moment is sent to multiple data acquisition clock unit, so that multiple data
Acquisition clock unit triggers the load ginseng for the data acquisition unit acquisition the parts to be tested being correspondingly arranged at the target acquisition moment respectively
Number data.
It is able to carry out conversational communication in order to make main control unit and multiple data acquire clock unit, is used for main control unit
The load parameter monitoring method of wind power generating set can also include step 403 and step 404.In step 403, to multiple
Data acquire clock unit and send session establishment request.In step 404, multiple data acquisition clock units returns are being received
Session agree to response after, with multiple data acquisition clock unit establish conversational communication respectively.
Fig. 7 is the load parameter prison of the wind power generating set that clock unit is acquired for data in one embodiment of the invention
Survey method, as shown in fig. 7, the method comprising the steps of 501 and step 502.
In step 501, the clock synchronization instruction comprising identical clock synchronization information that main control unit is sent is received.
In step 502, it is set time according to clock synchronization information.
The load parameter monitoring method of wind power generating set provided in an embodiment of the present invention acquires clock list for data
Member, the clock synchronization information in clock synchronization instruction that multiple data acquisition clock units are sent according to main control unit are set time.Due to more
A data acquisition clock unit is set time according to identical clock synchronization information, therefore the data after clock synchronization acquire working as clock unit
Preceding clock is able to maintain identical.Under data acquisition clock unit control after clock synchronization, multiple data acquisition units can be real
Present synchronization acquires the load parameter data of each the parts to be tested, thus improve using collected load parameter data into
The accuracy of capable load condition assessment.It can also realize the load ginseng of each the parts to be tested of the dispersion to wind power generating set
The Simultaneous Monitoring of number data.
It should be noted that in order to the load of synchronous acquisition the parts to be tested of each dispersion into wind power generating set
The load parameter monitoring method of supplemental characteristic, the wind power generating set for data acquisition clock unit can also include step
502 and step 503.In step 502, the acquisition control instruction comprising the target acquisition moment that main control unit is sent is received.?
In step 503, in the load parameter data for the data acquisition unit acquisition the parts to be tested that target acquisition time trigger is correspondingly arranged.
In order to make multiple data acquisition clock units and main control unit be able to carry out conversational communication, acquired for data
The load parameter monitoring method of the wind power generating set of clock unit can also include step 504 and step 505.In step 504
In, receive the session establishment request that main control unit is sent.In step 505, session is sent to main control unit and agree to response, with master
Control unit establishes conversational communication.
Functional unit shown in above structural block diagram can be implemented as hardware, software, firmware or their combination.
When realizing in hardware, electronic circuit, specific integrated circuit (ASIC), firmware appropriate, plug-in unit, function may, for example, be
Can block etc..When being realized with software mode, element of the invention is used to execute the program or code segment of required task.
Perhaps code segment can store in machine readable media program or the data-signal by carrying in carrier wave is in transmission medium
Or communication links are sent." machine readable media " may include any medium for capableing of storage or transmission information.Machine can
The example for reading medium includes electronic circuit, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disk, CD-
ROM, CD, hard disk, fiber medium, radio frequency (RF) link, etc..Code segment can be via internet, Intranet etc.
Computer network is downloaded.
The present invention can realize in other specific forms, without departing from its spirit and essential characteristics.For example, particular implementation
Algorithm described in example can be modified, and system architecture is without departing from essence spirit of the invention.Therefore, currently
Embodiment be all counted as being exemplary rather than in all respects it is limited, the scope of the present invention by appended claims rather than
Foregoing description definition, also, the meaning of claim and whole changes in the range of equivalent are fallen into all be included in
Among the scope of the present invention.
Claims (14)
1. a kind of load parameter of wind power generating set monitors system, the wind power generating set has multiple the parts to be tested,
It is characterized in that, the system comprises:
Multiple data acquisition units (11), are installed in correspondingly in the multiple the parts to be tested；
Main control unit (12), while clock unit is acquired to the multiple data being arranged for the multiple data acquisition unit (11)
(13) clock synchronization comprising identical clock synchronization information is sent respectively to instruct；
Multiple data acquisitions clock unit (13), are set for the multiple data acquisition unit (11) respectively, receive
The clock synchronization instruction, and set time according to the clock synchronization information in clock synchronization instruction；
Wherein, the control of data acquisition clock unit (13) of the multiple data acquisition unit (11) also respective by clock synchronization
Under system, the load parameter data of corresponding the parts to be tested are acquired.
2. system according to claim 1, which is characterized in that the main control unit (12) also acquires clock to multiple data
Unit (13) sends the acquisition control instruction comprising the identical target acquisition moment respectively；
Data acquisition clock unit (13) instructs also according to the acquisition control, described in target acquisition time trigger
The load parameter data of data acquisition unit (11) acquisition the parts to be tested.
3. system according to claim 1, which is characterized in that the main control unit (12) also acquires clock to multiple data
Unit (13) sends session establishment request respectively, and after data acquisition clock unit (13) returns to session agreement response,
Conversational communication is established with multiple data acquisition clock unit (13)；
Data acquisition clock unit 13 also receives the session establishment request of the main control unit (12) transmission, and to institute
It states main control unit (12) and sends session agreement response, establish conversational communication with the main control unit (12).
4. system described in any one of -3 according to claim 1, which is characterized in that the main control unit (12) and multiple numbers
Controller local area network's CAN bus protocol is used between clock unit (13) according to acquiring.
5. a kind of wind-force of the load parameter monitoring system using wind power generating set described in any one of claim 1-4
The load parameter monitoring method of generating set, which is characterized in that the described method includes:
The clock synchronization comprising identical clock synchronization information is sent respectively to multiple data acquisition clock unit simultaneously from main control unit to instruct；
The clock synchronization instruction is received by data acquisition clock unit, and is set time according to the clock synchronization information；
By the data acquisition unit under the control of the data acquisition clock unit Jing Guo clock synchronization, the parts to be tested is acquired
Load parameter data.
6. according to the method described in claim 5, it is characterized in that, by the data acquisition unit when the data acquire
Under the control of clock unit, before the step of acquiring the load parameter data of the parts to be tested, further includes:
The acquisition comprising the identical target acquisition moment is sent respectively from the main control unit to multiple data acquisition clock unit
Control instruction；
It is instructed by data acquisition clock unit according to the acquisition control, the data described in target acquisition time trigger
The load parameter data of acquisition unit acquisition the parts to be tested.
7. according to the method described in claim 5, it is characterized in that, from main control unit at a time simultaneously to multiple data
Acquisition clock unit was sent before the step of including the clock synchronization instruction of identical clock synchronization information, further includes:
Session establishment request is sent from the main control unit to multiple data acquisition clock unit；
When multiple data acquisition clock unit returns to session agreement response, clock is acquired by the main control unit and multiple data
Unit establishes conversational communication respectively.
8. the method according to any one of claim 5-7, which is characterized in that the main control unit is adopted with multiple data
Collect and uses controller local area network's CAN bus protocol between clock unit.
9. a kind of load parameter monitoring method of wind power generating set, which is characterized in that be applied to any one in claim 1-4
Main control unit in the load parameter monitoring system of wind power generating set described in, which comprises
It sends the clock synchronization comprising identical clock synchronization information respectively to multiple data acquisition clock unit simultaneously to instruct, so that described
Multiple data acquisition clock units are set time according to clock synchronization information.
10. according to the method described in claim 9, it is characterized in that, at a time acquiring clock list to multiple data simultaneously
Member was sent respectively after the step of including the clock synchronization instruction of identical clock synchronization information, further includes:
The acquisition control instruction comprising the target acquisition moment is sent to the multiple data acquisition clock unit, so that described more
A data acquisition clock unit triggers the data acquisition unit being correspondingly arranged at the target acquisition moment respectively and acquires portion to be measured
The load parameter data of part.
11. according to the method described in claim 9, it is characterized in that, at a time acquiring clock list to multiple data simultaneously
Member was sent respectively after the step of including the clock synchronization instruction of identical clock synchronization information, further includes:
Session establishment request is sent to the multiple data acquisition clock unit；
After receiving the session that multiple data acquisition clock units return and agreeing to response, with multiple data acquisition clock unit point
Conversational communication is not established.
12. a kind of load parameter monitoring method of wind power generating set, which is characterized in that be applied to any in claim 1-4
Data in the load parameter monitoring system of wind power generating set described in one acquire clock unit, which comprises
Receive the clock synchronization instruction comprising identical clock synchronization information that main control unit is sent；
It is set time according to the clock synchronization information.
13. according to the method for claim 12, which is characterized in that according to the clock synchronization information, adjust present clock
After step, further includes:
Receive the acquisition control instruction comprising the target acquisition moment that the main control unit is sent；
In the load parameter data for the data acquisition unit acquisition the parts to be tested that target acquisition time trigger is correspondingly arranged.
14. according to the method for claim 12, which is characterized in that it is in reception main control unit transmission includes identical clock synchronization
Before the step of clock synchronization instruction of information, further includes:
Receive the session establishment request that the main control unit is sent；
Session is sent to the main control unit and agrees to response, establishes conversational communication with the main control unit.
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