CN104751618A - Remote high-frequency data transmission system for monitoring gale - Google Patents
Remote high-frequency data transmission system for monitoring gale Download PDFInfo
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Abstract
The invention discloses a remote high-frequency data transmission system for monitoring gale. The remote high-frequency data transmission system comprises a data acquisition unit, a data pretreatment, storage and transmission unit, a data power supplying unit and a data receiving and processing unit, wherein the data acquisition unit is arranged at a target acquisition point, a high-frequency anemometer or an ultrasonic anemometer is used to be connected with the data pretreatment, storage and transmission unit, the data power supplying unit is used for supplying power to the data acquisition unit and the data pretreatment, storage and transmission unit, and the data receiving and processing unit receives and integrates monitored data and sends the final data file to an assigned mailbox through a mail system. The remote data transmission system of the existing high-frequency anemometer is improved, and the problems that the time sequence of a part of data is in disorder, local data packet drops out, the data recovery algorithm is unstable, the supplied power is insufficient and the like in the remote data transmission system of the existing high-frequency anemometer are solved well.
Description
Technical field
The present invention relates to a kind of high-frequency data distance transmission system for gale monitoring, belong to data transmission and process field.
Background technology
Along with the development of China's economy, infrastructure also constantly perfect, the highway of such as western mountainous areas, railway and petroleum pipe line transportation route; The capital construction facility etc. in city.These infrastructure such as Longspan Bridge and skyscraper etc. are all wind sensitive structures, therefore, and the whether accurate wind force proofing design that directly decide these structures of wind characteristic.Due to the complicacy of wind characteristic, the especially wind characteristic at complicated topography and geomorphology place, mountain area, the measurement of the field measurement of wind characteristic especially dither wind characteristic seems extremely important.And this wherein, high frequency anemoscope then plays important role.
At present, conventional dither wind data acquisition method mainly contains traditional wired collection, datalogger, radio transmission and base station and receives and the high frequency anemoscope measurement data distance transmission system etc. of up-to-date research and development.Traditional wired acquisition method is connected with the equipment such as signal amplifier, industrial computer by anemoscope, realizes the collection of data.The impact that this kind of method has need set up fixing data collection point, be easily subject to thunder and lightning and on-the-spot condition of power supply, special messenger is needed to safeguard and the shortcoming such as maintenance cost is higher.Datalogger method is then that the data collected by anemoscope are stored in registering instrument, then regular copies data.The method is not very convenient for the field measurement of remote districts.Such as, be arranged on the field measurement on bridge tower from far-off regions for anemoscope, regular copies data will be very difficult.Radio transmission and base station receive then to be existed that transmission range is limited, the impact that is easily subject to on-the-spot condition of power supply, needs to set up a base station and the shortcoming such as acquisition cost is higher.It is worth mentioning that, compared with preceding method, the high frequency anemoscope measurement data distance transmission system of recent development has larger advantage, as real-time Transmission, without the need to field maintemance, by the impact of on-the-spot condition of power supply and with low cost etc.By GPRS network, the high-frequency data that anemoscope collects is sent to Cloud Server by this system automatically, and by receiving and process software, obtains the data of every day.It is worth mentioning that, in order to solve the disorderly problem of the obstructed data sequence that causes of network, a set of data convert algorithm of this system development.Although this cover system has larger advantage, be in operation equally and there are some problems, as data local packet loss, data convert algorithm instability and intermittent electricity shortage etc., the problems referred to above may affect to follow-up data processing.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, therefore, the present invention improves existing high frequency anemoscope measurement data distance transmission system, preferably resolves the problems such as the data local packet loss of original high frequency anemoscope measurement data distance transmission system existence, data convert algorithm instability and intermittent electricity shortage.In order to achieve the above object, the present invention proposes following technical scheme:
For a high-frequency data distance transmission system for gale monitoring, described data remote transmission system comprises data acquisition unit, data prediction, storage and transmission unit, data power supply unit and data receiver and processing unit, wherein:
Data acquisition unit is connected with data prediction, storage and transmission unit by RS485 communication interface, data prediction, storage and transmission unit are connected with data receiver and processing unit by GPRS network, and data power supply unit is powered for data acquisition unit and data prediction, storage and transmission unit simultaneously;
Described data acquisition unit is arranged in target collection point, selects high frequency anemoscope or ultrasonic anemoscope, and sample frequency is 4-10 Hz;
Described data prediction, storage and transmission unit comprise the data acquisition unit line interface be integrated on system board, Wireless Data Transmission Terminal module, Mobile phone card, SD RAM (random access memory) card, antenna, system debug communication interface, power interface, system clock, Power Monitoring Unit and small-sized independently-powered battery; Data prediction, storage and transmission unit are connected with data acquisition unit by data acquisition unit line interface; Gathered data are stored in SD RAM (random access memory) card by system board; Be stored in data in SD RAM (random access memory) card after screening by Wireless Data Transmission Terminal module transfer to Cloud Server, Wireless Data Transmission Terminal module is provided with Mobile phone card and antenna, is connected with the Cloud Server of data receipt unit by GPRS network; System board is provided with the system debug communication interface be directly connected with computer, checks the data in SD RAM (random access memory) card on computers by system debug communication interface, arranged by the parameter of computer to anemoscope and system board; System clock is connected with small-sized independently-powered battery with Power Monitoring Unit, is powered separately by small-sized independently-powered battery;
Described data power supply unit is data acquisition unit, and data prediction, storage and transmission unit are powered;
Described data receiver and processing unit are made up of Cloud Server, data receiving system, mailing system, and data receiving system and mailing system are all deployed on Cloud Server.Data receiving system is connected by GPRS network with Wireless Data Transmission Terminal module, and receives the data transmitted, and then stores data on Cloud Server.Mailing system accesses the data be stored on Cloud Server, by Monitoring Data timed sending to the mailbox of specifying.
Further, described data prediction, storage and transmission unit are first to the data markers time tag gathered, and data are stored in SD RAM (random access memory) card with the form of txt data file, wherein each txt file comprises the data of 1 hour, this txt data file does not comprise system and starts the txt data file generated between rear and power-off point to nearest integral point, and 1 hour txt data file is screened, and transmit the data file filtered out, concrete implementation step is as follows:
After system starts, the first paragraph data of mensuration, are less than 1 hour by the integral point time of Beijing time, are set to this segment data of X0 and abandon, do not consider; X1, X2, X3, X4, X5 ... after system starts, successively according to 1 hour txt data file that the integral point time collects; After system storage three hour datas, X1 hour data automatic transmission, then, starts the 1 min mean wind speed calculated successively in each hour data file; When occurring being greater than the 1 min mean wind speed pre-set threshold value of user set by high wind principle, on-the-spot wind field condition and actual needs in this hour data file, then this hour data is defined as large wind data; Otherwise, then little wind data is defined as; When judging whether transmission X (n) (n>=2) hour data, investigate three hours adjacent wind speed, namely X (n-1), whether X (n), X (n+1) are little wind data, if be little wind data, then X (n) does not transmit, otherwise X (n) is transmission just, realize having arbitrary hour data to be the just transmission of large wind data.
As preferably, described data prediction, storage and transmission unit have automatic identification function; When there is power-off or system people for cutting off in system, the Power Monitoring Unit meeting automatic production record out-of-work time on system board; After System recover, system board can according to the acquisition time sending data last before the time of record and power-off, identify a hour data before the data and this segment data gathered between the system cut-off moment to the front nearest integral point of power-off, and they are all transferred to the Cloud Server of specifying.
As preferably, the Wireless Data Transmission Terminal module in data prediction, storage and transmission unit has and opens and closes automatically function, thus reaches energy-conservation.Its algorithm steps opened and closed automatically of object is as follows:
First, current time and the date of system is obtained;
Then, judge whether current time is integral point: if not, continue current time and the date of acquisition system, and make Wireless Data Transmission Terminal module be in closed condition; If so, Wireless Data Transmission Terminal module will be opened automatically, and carry out the connection of server; If network is obstructed or 1 hour txt data file end of transmission of needs transmission, Wireless Data Transmission Terminal module will be closed automatically, and program enters into the cycle stage of next integral point, until actual measurement terminates.
As preferably, the SD RAM (random access memory) card of described data prediction, storage and transmission unit has Automatic clearance function, and its concrete steps are as follows:
First, current time and the date of system is obtained;
Then, judge whether current time is zero point in morning: if not, then continue to obtain current time and date, if, data storage and transmission unit then can obtain the free memory size of SD RAM (random access memory) card, if the free memory of SD RAM (random access memory) card is greater than preset value, then illustrate that the free memory of SD card is enough, need not data-cleaning operation be carried out, continue to obtain current time and date;
If the free memory of SD RAM (random access memory) card is less than preset value, data storage and transmission unit will delete the measured data of predetermined quantity in the past sequentially, subsequently, system can differentiate whether current date is less than the actual measurement Close Date of setting: if, illustrate that actual measurement still needs to carry out, continue to obtain current time and date, if not, then EOP (end of program).
As preferably, data receiver and processing unit receive and the workflow of process data as follows: first, according to receiving to obtain date of formation of txt file, txt files all in a day is deposited into the file on the same day.Then, this data folder is sent to the mailbox of specifying by mailing system.
As preferably, described power supply unit adopts integrated wind-solar electricity generating system.
beneficial effect of the present invention:
1, the present invention is first to data markers time tag, and the mistake in order can not appear in the data received, and when reconstruct data, is convenient to distinguish the data sending in real time and send after buffer memory, effectively avoids factor data to reconstruct and occur error even mistake.
2, the present invention has strong wind data intelligence identification monitoring transfer function, this function automatic fitration can fall the data of wind speed lower than reservation threshold, and the development course of large wind data can be captured, thus greatly reduce the aftertreatment of the transmission quantity (transmission quantity of 80% can be reduced by some actual measurement place) of data, the sample frequency increasing measured data, saving operation cost and reduced data.
3, Wireless Data Transmission Terminal module of the present invention has and opens and closes automatically function, solves the problem of intermittent electricity shortage.In the present invention, the parts that power consumption is larger form primarily of lower powered single-chip microcomputer and Wireless Data Transmission Terminal module, and Wireless Data Transmission Terminal module only activates at integral point every day, start working subsequently, data end of transmission, terminal module can quit work, and therefore the working time of this module every day is the time required for a day data transmission, thus can save very most electric energy.In addition, because the present invention has data storage function, therefore need not concern of data lose due to Wireless Data Transmission Terminal module from service.
4, the present invention adopts distance transmission system, and is sent to the mailbox of specifying by mailing system, thus greatly facilitates the transmission of the field measurement data under mal-condition, reduces cost of labor.In addition, the present invention also has very strong applicability, can be applicable to the monitoring of various high-frequency data widely.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention;
Fig. 2 is the core component of data prediction of the present invention, storage and transmission unit;
Fig. 3 is data prediction of the present invention, storage and transfer process figure;
Fig. 4 is the process flow diagram that Wireless Data Transmission Terminal module of the present invention opens and closes automatically algorithm;
Fig. 5 is SD RAM (random access memory) card data Automatic clearance process flow diagram of the present invention;
In Fig. 2,1-data acquisition unit, 2-data prediction, storage and transmission unit, 3-data power supply unit, 4-data receiver and processing unit, 5-RS485 communication interface, 6-anemoscope line interface, 7-Wireless Data Transmission Terminal module, 8-Mobile phone card, 9-SD RAM (random access memory) card, 10-antenna, 11-power interface, 7-Wireless Data Transmission Terminal module, 8-Mobile phone card, 9-SD RAM (random access memory) card, 10-antenna, 11-power interface, 12-system clock, the small-sized independently-powered battery of 13-, 14-Power Monitoring Unit, 15-mainboard.
Embodiment
Below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1
See accompanying drawing 1,2, a kind of high-frequency data distance transmission system for gale monitoring, described data remote transmission system comprises data acquisition unit, data prediction, storage and transmission unit, data power supply unit and data receiver and processing unit, wherein:
Described data acquisition unit is connected with data prediction, storage and transmission unit by RS485 communication interface, data prediction, storage and transmission unit are connected with data receiver and processing unit by GPRS, and data power supply unit is powered for data acquisition unit and data prediction, storage and transmission unit simultaneously;
Described data acquisition unit is arranged in target collection point, selects ultrasonic anemoscope, and sample frequency is 10 Hz;
Described data prediction, storage and transmission unit comprise the data acquisition unit line interface be integrated on system board, Wireless Data Transmission Terminal module, Mobile phone card, SD RAM (random access memory) card, antenna, system debug communication interface, power interface, system clock, Power Monitoring Unit and small-sized independently-powered battery; Data prediction, storage and transmission unit are connected with data acquisition unit by data acquisition unit line interface; Gathered data are stored in SD RAM (random access memory) card by system board; Be stored in data in SD RAM (random access memory) card after screening by Wireless Data Transmission Terminal module transfer to Cloud Server, Wireless Data Transmission Terminal module is provided with Mobile phone card and antenna, is connected with the Cloud Server of data receipt unit by GPRS network; System board is provided with the system debug communication interface be directly connected with computer, checks the data in SD RAM (random access memory) card on computers by system debug communication interface, arranged by the parameter of computer to anemoscope and system board; System clock is connected with small-sized independently-powered battery with Power Monitoring Unit, is powered separately by small-sized independently-powered battery;
Described data power supply unit is that data acquisition unit and data prediction, storage and transmission unit are powered;
Described data receiver and processing unit are made up of Cloud Server, data receiving system, mailing system, data receiving system and mailing system are all deployed on Cloud Server, data receiving system is connected by GPRS network with Wireless Data Transmission Terminal module, and receive the data transmitted, then store data on Cloud Server, mailing system accesses the data be stored on Cloud Server, by Monitoring Data timed sending to the mailbox of specifying.
embodiment 2
Further, described data prediction, storage and transmission unit have strong wind data intelligence identification transfer function, power-off automatic identification function, Wireless Data Transmission Terminal module open and close automatically function and SD card Automatic clearance function, intelligence degree is high, greatly facilitate the transmission of the field measurement data under mal-condition, reduce cost of labor, meanwhile, applicability is strong.
Data prediction, storage and transmission unit have strong wind data intelligence identification transfer function, and its concrete implementation step is as follows:
Data prediction, storage and transmission unit are to the data markers time tag gathered, and data are stored in SD RAM (random access memory) card with the form of txt data file, wherein each txt file comprises the data of 1 hour, this txt data file does not comprise system and starts the txt data file generated between rear and power-off point to nearest integral point, and 1 hour txt data file is screened, transmit the data file filtered out, concrete implementation step is as follows:
After system starts, the first paragraph data of mensuration, are less than 1 hour by the integral point time of Beijing time, are set to this segment data of X0 and abandon, do not consider; X1, X2, X3, X4, X5 ... after system starts, successively according to 1 hour txt data file that the integral point time collects; After system storage three hour datas, X1 hour data automatic transmission, then, starts the 1 min mean wind speed calculated successively in each hour data file; When there is the 1 min mean wind speed being greater than pre-set threshold value (such as 5 m/s, user independently can be arranged according to high wind principle, on-the-spot wind field condition and actual needs) in this hour data file, then this hour data is defined as large wind data; Otherwise, then little wind data is defined as; When judging whether transmission X (n) (n>=2) hour data, investigate three hours adjacent wind speed, namely X (n-1), whether X (n), X (n+1) are little wind data, if be little wind data, then X (n) does not transmit, otherwise X (n) is transmission just, realize having arbitrary hour data to be the just transmission of large wind data.
Native system has strong wind data intelligence identification monitoring transfer function automatic fitration can fall the data of wind speed lower than reservation threshold, greatly reduces the transmission quantity (transmission quantity of 80% can be reduced by some actual measurement place) of data, increases the sample frequency of measured data, saves the aftertreatment of operation cost and reduced data.
Described data prediction, storage and transmission unit have automatic identification function:
When there is power-off or system people for cutting off in system, the Power Monitoring Unit meeting automatic production record out-of-work time on system board; After System recover, system board can according to the acquisition time sending data last before the time of record and power-off, identify a hour data before the data and this segment data gathered between the system cut-off moment to the front nearest integral point of power-off, and they are all transferred to the Cloud Server of specifying.
Wireless Data Transmission Terminal module in described data prediction, storage and transmission unit has and opens and closes automatically function, and its algorithm steps opened and closed automatically is as follows:
First, current time and the date of system is obtained;
Then, judge whether current time is integral point: if not, continue current time and the date of acquisition system, and make Wireless Data Transmission Terminal module be in closed condition; If so, Wireless Data Transmission Terminal module will be opened automatically, and carry out the connection of server; If network is obstructed or 1 hour txt data file end of transmission of needs transmission, Wireless Data Transmission Terminal module will be closed automatically, and program enters into the cycle stage of next integral point, until actual measurement terminates.
The increase of Wireless Data Transmission Terminal module opens and closes automatically function, solves the problem of intermittent electricity shortage.In the present invention, the parts that power consumption is larger form primarily of lower powered single-chip microcomputer and Wireless Data Transmission Terminal module, and Wireless Data Transmission Terminal module only activates at integral point every day, start working subsequently, data end of transmission, terminal module can quit work, and therefore the working time of this module every day is the time required for a day data transmission, thus can save very most electric energy.
The SD RAM (random access memory) card of described data prediction, storage and transmission unit has Automatic clearance function, and its concrete steps are as follows:
First, current time and the date of system is obtained;
Then, judge whether current time is zero point in morning: if not, then continue to obtain current time and date, if, data storage and transmission unit then can obtain the free memory size of SD RAM (random access memory) card, if the free memory of SD RAM (random access memory) card is greater than preset value, then illustrate that the free memory of SD card is enough, need not data-cleaning operation be carried out, continue to obtain current time and date;
If the free memory of SD RAM (random access memory) card is less than preset value, data storage and transmission unit will delete the measured data of predetermined quantity in the past sequentially, subsequently, system can differentiate whether current date is less than the actual measurement Close Date of setting: if, illustrate that actual measurement still needs to carry out, continue to obtain current time and date, if not, then EOP (end of program).
embodiment 3
Further, on the basis of embodiment 1, the workflow that data receiver and processing unit received and processed data is as follows:
First, according to receiving to obtain date of formation of txt file, txt files all in a day is deposited into the file on the same day.Then, this data folder is sent to the mailbox of specifying by mailing system.
Employing remote mail transmits, thus the transmission of field measurement data under greatly facilitating mal-condition, reduce cost of labor.Meanwhile, this invention has very strong applicability, can be widely used in the monitoring of various high-frequency data.
Described power supply unit adopts integrated wind-solar electricity generating system, realizes round-the-clock power supply, utilizes natural energy resources, solve the problem of intermittent electricity shortage.
embodiment 4
In actual applications, the time that supposing the system formally starts is that the 10:40 in the morning of some day is whole, and the 14:00-15:00 that the large wind data in the same day appears at afternoon, all the other time periods are all little wind data.After system normally runs a period of time, there is power-off in the 20:40 in evening at certain day, and recover normal at the 12:10 of second day.Then system carry out the identification of strong wind data intelligence transmission workflow as follows:
First, after system starts, the time that Power Monitoring Unit meeting automatic production record starts.Whole at 11:00, system can abandon the first paragraph data that 10:40-11:00 gathers automatically.After this data file of three hours of the complete 11:00-14:00 of system storage, 1 hour data that the 11:00-12:00 time period gathers will be automatically sent to server.Subsequently, system starts to calculate 1 min mean wind speed in these three hour data files of 11:00-14:00 successively.Through calculating, within these three hours, be all little wind data, then the data file of 12:00-13:00 time period is confirmed as the data file that do not send.Although Wireless Data Transmission Terminal module can start at 14:00 integral point, owing to not needing the data sent, Wireless Data Transmission Terminal module is closed automatically.After one hour, because 14:00-15:00 is large wind data, then the hour data file of 13:00-14:00 time period is out screened, and is sent to server at 15:00.Similar, 14:00-15:00 and the 15:00-16:00 data of two hours are out screened equally, and are transmitted away.And due to these three hour data files of 15:00-18:00 be all little wind data, then the hour data file of 16:00-17:00 time period do not need transmission.By that analogy, system Stepwise Screening goes out to need the large wind data of transmission and the air speed data of its development course.
When system cut-off, Power Monitoring Unit will automatic production record power-off time, as the 20:40 in hypothesis.When system is recovered at the 12:10 of second day, system can according to the power-off time of record and the last time 19:00 sending data, identify this two segment datas file of 19:00-20:00 and 20:00-20:40, and be transferred to the Cloud Server of specifying in the integral point moment that Wireless Data Transmission Terminal module starts.Obviously, system cut-off during this period of time in, data will be lost.Subsequently, system will enter into again among the flow process of foregoing intelligent screening data and transmission data.
The present invention improves existing high frequency anemoscope measurement data distance transmission system, preferably resolves the problems such as the data local packet loss of original high frequency anemoscope measurement data distance transmission system existence, data convert algorithm instability and intermittent electricity shortage; Meanwhile, the high-frequency data interest field in the present invention contains many contents, as the high frequency wind speed and direction data in field measurement; The high-frequency data such as the acceleration of surveying in Loads of Long-span Bridges health monitoring systems, stress, strain, displacement; Blast high-frequency data in large-span roof structure monitoring; The high-frequency datas such as the temperature in the meteorological observation of field, humidity, air pressure, quantity of precipitation and evaporation capacity; Water level in hydrologic observation, tidal level and Wave Data etc.
Finally, above embodiment and accompanying drawing are only in order to illustrate technical scheme of the present invention and unrestricted, although by above-described embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (7)
1., for a high-frequency data distance transmission system for gale monitoring, it is characterized in that:
Described data remote transmission system comprises data acquisition unit, data prediction, storage and transmission unit, data power supply unit and data receiver and processing unit, wherein:
Data acquisition unit is connected with data prediction, storage and transmission unit by RS485 communication interface, data prediction, storage and transmission unit are connected with data receiver and processing unit by GPRS, and data power supply unit is simultaneously for data acquisition unit, data prediction, storage and transmission unit are powered;
Described data acquisition unit is arranged in target collection point, selects high frequency anemoscope or ultrasonic anemoscope, and sample frequency is 4-10 Hz;
Described data prediction, storage and transmission unit comprise the data acquisition unit line interface be integrated on system board, Wireless Data Transmission Terminal module, Mobile phone card, SD RAM (random access memory) card, antenna, system debug communication interface, power interface, system clock, Power Monitoring Unit and small-sized independently-powered battery; Data prediction, storage and transmission unit are connected with data acquisition unit by data acquisition unit line interface; Gathered data are stored in SD RAM (random access memory) card by system board; Be stored in data in SD RAM (random access memory) card after screening by Wireless Data Transmission Terminal module transfer to Cloud Server, Wireless Data Transmission Terminal module is provided with Mobile phone card and antenna, is connected with the Cloud Server of data receipt unit by GPRS network; System board is provided with the system debug communication interface be directly connected with computer, checks the data in SD RAM (random access memory) card on computers by system debug communication interface, arranged by the parameter of computer to anemoscope and system board; System clock is connected with small-sized independently-powered battery with Power Monitoring Unit, is powered separately by small-sized independently-powered battery;
Described data power supply unit is that data acquisition unit and data prediction, storage and transmission unit are powered;
Described data receiver and processing unit are made up of Cloud Server, data receiving system, mailing system, data receiving system and mailing system are all deployed on Cloud Server, data receiving system is connected by GPRS network with Wireless Data Transmission Terminal module, and receive the data transmitted, then store data on Cloud Server, mailing system accesses the data be stored on Cloud Server, by Monitoring Data timed sending to the mailbox of specifying.
2. a kind of high-frequency data distance transmission system for gale monitoring according to claim 1, is characterized in that:
Described data prediction, storage and transmission unit can to the data markers time tags gathered, and data are stored in SD RAM (random access memory) card with the form of txt data file, wherein each txt file comprises the data of 1 hour, this txt data file does not comprise the txt data file generated between integral point recently before system starts rear and power-off point to power-off, and 1 hour txt data file is screened, transmit the data file filtered out, concrete implementation step is as follows:
After system starts, the first paragraph data of mensuration, are less than 1 hour by the integral point time of Beijing time, are set to this segment data of X0 and abandon, do not consider; X1, X2, X3, X4, X5 ... after system starts, successively according to 1 hour txt data file that the integral point time collects; After system storage three hour datas, X1 hour data automatic transmission, then, starts the 1 min mean wind speed calculated successively in each hour data file; When occurring being greater than the 1 min mean wind speed pre-set threshold value of user set by high wind principle, on-the-spot wind field condition and actual needs in this hour data file, then this hour data is defined as large wind data; Otherwise, then little wind data is defined as; When judging whether transmission X (n) (n>=2) hour data, investigate three hours adjacent wind speed, namely X (n-1), whether X (n), X (n+1) are little wind data, if be little wind data, then X (n) does not transmit, otherwise X (n) is transmission just, realize having arbitrary hour data to be the just transmission of large wind data.
3. a kind of high-frequency data distance transmission system for gale monitoring according to claim 2, is characterized in that: described data prediction, storage and transmission unit have automatic identification function; When there is power-off or system people for cutting off in system, the Power Monitoring Unit meeting automatic production record out-of-work time on system board; After System recover, system board can according to the acquisition time sending data last before the time of record and power-off, identify a hour data before the data and this segment data gathered between the system cut-off moment to the front nearest integral point of power-off, and they are all transferred to the Cloud Server of specifying.
4. a kind of high-frequency data distance transmission system for gale monitoring according to claim 2, it is characterized in that: the Wireless Data Transmission Terminal module in data prediction, storage and transmission unit has and opens and closes automatically function, thus reach energy-conservation object, its algorithm steps opened and closed automatically is as follows:
First, current time and the date of system is obtained;
Then, judge whether current time is integral point: if not, continue current time and the date of acquisition system, and make Wireless Data Transmission Terminal module be in closed condition; If so, Wireless Data Transmission Terminal module will be opened automatically, and carry out the connection of server; If network is obstructed or 1 hour txt data file end of transmission of needs transmission, Wireless Data Transmission Terminal module will be closed automatically, and program enters into the cycle stage of next integral point, until actual measurement terminates.
5. a kind of high-frequency data distance transmission system for gale monitoring according to claim 2, is characterized in that: the SD RAM (random access memory) card of described data prediction, storage and transmission unit has Automatic clearance function, and its concrete steps are as follows:
First, current time and the date of system is obtained;
Then, judge whether current time is zero point in morning: if not, then continue to obtain current time and date, if, data storage and transmission unit then can obtain the free memory size of SD RAM (random access memory) card, if the free memory of SD RAM (random access memory) card is greater than preset value, then illustrate that the free memory of SD card is enough, need not data-cleaning operation be carried out, continue to obtain current time and date;
If the free memory of SD RAM (random access memory) card is less than preset value, data storage and transmission unit will delete the measured data of predetermined quantity in the past sequentially, subsequently, system can differentiate whether current date is less than the actual measurement Close Date of setting: if, illustrate that actual measurement still needs to carry out, continue to obtain current time and date, if not, then EOP (end of program).
6. a kind of high-frequency data distance transmission system for gale monitoring according to claim 1, is characterized in that: the workflow that data receiver and processing unit received and processed data is as follows:
First, according to receiving to obtain date of formation of txt file, txt files all in a day is deposited into the file on the same day;
Then, this data folder is sent to the mailbox of specifying by mailing system.
7. a kind of high-frequency data distance transmission system for gale monitoring according to claim 1, is characterized in that: described power supply unit adopts integrated wind-solar electricity generating system.
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