CN103605172B - Be applicable to the radio data transmission method of wind energy gradient meteorological observation - Google Patents
Be applicable to the radio data transmission method of wind energy gradient meteorological observation Download PDFInfo
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- CN103605172B CN103605172B CN201310496401.6A CN201310496401A CN103605172B CN 103605172 B CN103605172 B CN 103605172B CN 201310496401 A CN201310496401 A CN 201310496401A CN 103605172 B CN103605172 B CN 103605172B
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Abstract
The present invention relates to a kind of data transmission method, especially a kind of radio data transmission method being applicable to wind energy gradient meteorological observation, belongs to the technical field of radio communication.According to technical scheme provided by the invention, the described radio data transmission method being applicable to wind energy gradient meteorological observation, steel tower is installed the required intelligent wireless node for gathering wind direction and wind velocity sensor and Temperature Humidity Sensor detection data, the detection data wireless of collection is transferred to the intelligent wireless telegon on steel tower by described intelligent wireless node, and adopts slotted communication mode to carry out data transmission between intelligent wireless node and intelligent wireless telegon.The present invention is simple and compact for structure, simple and reliable for electrical wiring, can ensure the real-time that data are transmitted and integrality, convenient for installation and maintenance, practical reliable.
Description
Technical field
The present invention relates to a kind of data transmission method, especially a kind of radio data transmission method being applicable to wind energy gradient meteorological observation, belongs to the technical field of wind energy gradient meteorological observation radio communication.
Background technology
In existing wind energy gradient meteorological observation, be arranged on the sensor of different gradient on steel tower mainly through wired concentrated mode access data transmission system, all the sensors on steel tower is all by the multiple data acquisition units at the bottom of cable access tower, comprising a main collector 5 and multiple points of collectors 4, the wire communication mode by CAN between collector 4 and main collector 5 of dividing carries out data transmission; In this transmission mode, signal, communication and power cable run through tower body, and length can reach 200 meters at most.As shown in Figure 1: Temperature Humidity Sensor 1 and wind direction and wind velocity sensor 2 are installed on steel tower 3, main collector 5 and some points of collectors 4 are installed in the bottom of steel tower 3, divide collector 4 to adopt CAN to be connected with main collector 5, point collector 4 and main collector 5 adopt power supply box 6 to power.
As shown in Figure 5: point collector 4 and main collector 5 carry out data when transmit, in up process, divide collector 4 image data, carry out ASCII coding, CAN sends in real time, and main collector 5 carries out the real-time reception of data by CAN, ASCII decoding and data processing.As shown in Figure 6: in descending process, main collector 5 generates order as required, then carries out ASCII coding and CAN sends in real time, and point collector 4, by CAN real-time reception, then carries out ASCII decoding and command response.
Data transmission frequencies between main collector and point collector is 1 time per second.
Existing wind energy gradient Meteorological Observation System mainly faces two large problems in actual applications:
1), a large amount of signals, communication and power cable are unfavorable for that staff carries out installation and maintenance in high-altitude to the equipment on steel tower.
2), the cable in high-altitude is easily struck by lightning, and causes damage to equipment.
The application in a lot of fields of current wireless communication technology is very ripe, by placing intelligent wireless node in required observation gradient, complete the meteorological data collection function of this gradient, and substitute traditional wired concentrated transmission mode with the transmission mode of wireless networking, the cable on steel tower can be eliminated, and then efficiently solve the institute of wire transmission on steel tower problems faced.But in the particular application of wind energy gradient meteorological observation, adopt wireless communication technology to have the challenge of the following aspects:
1), under the condition of non-stop run in 24 hours, the energy-conservation and powerup issue of intelligent wireless node on steel tower.
2), the reliability of wireless communication transmissions under all weather conditions.
3), the real-time of wireless data transmission and integrality.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided a kind of radio data transmission method being applicable to wind energy gradient meteorological observation, it can ensure the real-time that data are transmitted and integrality, simple and reliable for electrical wiring, convenient for installation and maintenance, practical reliable.
According to technical scheme provided by the invention, the described radio data transmission method being applicable to wind energy gradient meteorological observation, steel tower is installed the required intelligent wireless node for gathering wind direction and wind velocity sensor and Temperature Humidity Sensor detection data, the detection data wireless of collection is transferred to the intelligent wireless telegon on steel tower by described intelligent wireless node, and adopts slotted communication mode to carry out data transmission between intelligent wireless node and intelligent wireless telegon.
Described intelligent wireless telegon is positioned at the bottom of steel tower, in Star network between intelligent wireless node and intelligent wireless telegon; The Wireless Data Transmission of IEEE-802.15.4 agreement is adopted between intelligent wireless node and intelligent wireless telegon.
Described intelligent wireless node and intelligent wireless telegon adopt slotted communication mode to carry out data when transmitting, and slot cycle is one minute; Wherein, intelligent wireless node is configured with reported data time slot, reports request time slot, large data transmission slots and safe time slot in slot cycle.
The observation data of the intelligent wireless node after statistics is wirelessly transmitted to background monitoring server by wireless communication module by described intelligent wireless telegon.
Distributed algorithm is adopted to calculate meteorological measuring between described intelligent wireless node and intelligent wireless telegon, carry out process by intelligent wireless node to the detection data gathering wind direction and wind velocity sensor and Temperature Humidity Sensor to calculate, by second, the sampled-data processing of level becomes minute level statistics, and intelligent wireless node is to the data of intelligent wireless telegon only transmission process;
Intelligent wireless telegon directly can obtain the weather data of a minute of described intelligent wireless node place observation gradient by the data of resolving each intelligent wireless node-node transmission, and by calculating the weather data of acquisition two minutes and ten minutes.
Have between described intelligent wireless node and intelligent wireless telegon and retransmit subsequent collection mechanism, in the slot cycle of slotted communication mechanism, intelligent wireless node is when data send unsuccessfully, the of short duration laggard row data re-transmitting of time delay will be waited for, sending times is no more than at most three times, more than three times, will abandon retransmitting, and store data in this locality of intelligent wireless node;
The backlog information of data is uploaded to intelligent wireless telegon by the reported data of reported data time slot, intelligent wireless telegon and intelligent wireless node are reporting in request time slot, agreement subsequent collection strategy, and in large data transmission slots, complete the subsequent collection of intelligent wireless telegon to the overstocked data of intelligent wireless node.
Setup times synchronization mechanism between described intelligent wireless telegon and all intelligent wireless nodes, described Time Synchronization Mechanism with the time of intelligent wireless telegon for reference time, intelligent wireless telegon carries out time synchronized by with all intelligent wireless nodes, intelligent wireless node contains the request instruction of local zone time to the transmission of intelligent wireless telegon in request time slot reporting, intelligent wireless telegon judges intelligent wireless node and the mistiming of self, and the restriction threshold values exceeded in intelligent wireless telegon when the mistiming then starts and configures the time of intelligent wireless node.
Described intelligent wireless node also connects radiation sensor on steel tower and baroceptor, and the detection data wireless of the radiation sensor of collection and baroceptor is transferred to intelligent wireless telegon by intelligent wireless node.
Described wireless communication module comprises GPRS module, 3G module or 4G module.
Advantage of the present invention: be arranged on the some intelligent wireless nodes on steel tower and the intelligent wireless telegon bottom steel tower forms wireless system for transmitting data, intelligent wireless node and intelligent wireless telegon adopt wireless transmission, and adopt solar powered, solve the problem of difficult wiring on existing steel tower, and the round-the-clock reliability of wireless communication transmissions can be ensured, the real-time of data transmission and integrality, simple and compact for structure, convenient for installation and maintenance, practical reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing wind energy gradient meteorological observation.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the structured flowchart of intelligent wireless node of the present invention.
Fig. 4 is the structured flowchart of intelligent wireless telegon of the present invention.
Fig. 5 is the schematic flow sheet that available data transmits up process.
Fig. 6 is the schematic flow sheet that available data transmits descending process.
Fig. 7 is the schematic flow sheet that data of the present invention transmit up process.
Fig. 8 is the schematic flow sheet that data of the present invention transmit descending process.
Fig. 9 is the time slot allocation figure that intelligent wireless node of the present invention carries out slotted communication.
Figure 10 is the time slot allocation figure that intelligent wireless telegon of the present invention carries out slotted communication.
Description of reference numerals: 1-Temperature Humidity Sensor, 2-wind direction and wind velocity sensor, 3-steel tower, 4-divides collector, the main collector of 5-, 6-power supply box, 7-solar panels, 8-intelligent wireless node, 9-intelligent wireless telegon, 10-node accumulator, 11-node wireless transport module, 12-modal processor, 13-node solar panels interface, 14-junction sensor interface, 15-telegon accumulator, 16-telegon wireless transport module, 17-GPRS module, 18-mediators handle device, 19-telegon sensor interface, 20-telegon solar panels interface, 21-radiation sensor and 22-baroceptor.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As Fig. 2, shown in Fig. 3 and Fig. 4: reliable in order to realize in wind energy gradient meteorological observation, practical radio data transmission method, ensure real-time and the integrality of data transmission, the method of carrying out Wireless Data Transmission in wind energy gradient Meteorological Observation System is: on steel tower 3, install the required intelligent wireless node 8 detecting data for gathering wind direction and wind velocity sensor 2 and Temperature Humidity Sensor 1, the detection data wireless of collection is transferred to the intelligent wireless telegon 9 on steel tower 3 by described intelligent wireless node 8, and between intelligent wireless node 8 and intelligent wireless telegon 9, adopt slotted communication mode to carry out data transmission.
Particularly, in order to realize the observation of wind energy gradient meteorology, the different gradients of steel tower 3 are installed wind direction and wind velocity sensor 2 and Temperature Humidity Sensor 1, a general installation wind direction and wind velocity sensor 2 and a Temperature Humidity Sensor 1 in each gradient, in the specific implementation, can install wind direction and wind velocity sensor 2 and the Temperature Humidity Sensor 1 of requirement as required on steel tower 3, described gradient refers to the specified altitude value meeting meteorological observation on steel tower 3.In addition, steel tower 3 can also be provided with radiation sensor 21 and baroceptor 22, intelligent wireless node 8 also gathers the detection data of radiation sensor 21 and baroceptor 22 simultaneously, and then the detection data of the Temperature Humidity Sensor 1 of collection, wind direction and wind velocity sensor 2, radiation sensor 21 and baroceptor 22 are transferred to intelligent wireless telegon 9 by intelligent wireless node 8.
In order to transmit the detection data acquisition of wind direction and wind velocity sensor 2, Temperature Humidity Sensor 1, radiation sensor 21 and baroceptor 22, in the embodiment of the present invention, each observation gradient on steel tower 3 installs intelligent wireless node 8, gathered the detection data of place gradient leeward wind speed sensor 2, Temperature Humidity Sensor 1, radiation sensor 21 and baroceptor 22 by intelligent wireless node 8, thus on steel tower 3, form the observation of wind energy gradient meteorology.
Described intelligent wireless telegon 9 is positioned at the bottom of steel tower 3, in Star network between intelligent wireless node 8 and intelligent wireless telegon 9; The Wireless Data Transmission of IEEE-802.15.4 agreement is adopted between intelligent wireless node 8 and intelligent wireless telegon 9.
Further, in the embodiment of the present invention, consider power consumption, steel tower applied environment and reliability three aspect factors, wireless transmission method between intelligent wireless node 8 and intelligent wireless telegon 9 selects the IEEE-802.15.4 agreement being applicable to low-power consumption and applying, and the 2.4Ghz communications band using world wide general.802.15.4 the communication facilities of agreement has extremely low power consumption, is applicable to solar powered mode.802.15.4 protocol requirement communication environment is visual, conforms to steel tower site environment, and meanwhile, the wavelength of 802.15.4 signal and the different diameters of raindrop are comparatively large, and not by the impact that rain declines, transmission range also meets the requirement of 200 meters.802.15.4 agreement itself has CSMA(Carrier Sense Multiple Access) Anti-collision mechanism, and have employed DSSS(Direct Sequence Spread Spectrum) signal modulation technique of direct sequence spread spectrum, the reliability of agreement itself is better than common bluetooth, wifi agreement.
On the basis of 802.15.4 agreement, Star network is formed between intelligent wireless node 8 and intelligent wireless telegon 9, wherein the central point intelligent wireless telegon 9 of Star network can be distributed in the bottom of steel tower 3, and all the other each intelligent wireless nodes 8 are distributed in the difference observation gradient on steel tower 3.Due to single-hop transmission between node each in Star Network (being namely intelligent wireless node 8 in the embodiment of the present invention) and Centroid (the intelligent wireless telegon 9 namely in the embodiment of the present invention), there is not routing forwarding mechanism, therefore the reliability transmitted and time ductility can reach optimum, the internodal transmission performance of whole net can be equivalent to the performance of point-to-point transmission, can meet the request for utilization of wind energy gradient Meteorological Observation System simultaneously.At present, in wind energy gradient meteorological system, wind energy gradient meteorological observation mostly is 13 most, and the point-to-point maximum distance of coverage is no more than 200 meters.
The power end of described intelligent wireless node 8, the power end of intelligent wireless telegon 9 connect with corresponding solar panels 7.Namely solar panels are adopted to power between intelligent wireless node 8 and intelligent wireless telegon 9.
As shown in Figure 7 and Figure 8: in the embodiment of the present invention, intelligent wireless node 8 and intelligent wireless telegon 9 adopt slotted communication mode to transmit data, i.e. the passive reception of intelligent wireless telegon 9, the transmission mechanism of intelligent wireless node 8 active reporting.Each communication, initiates by intelligent wireless node 8.Consider power consumption considerations, intelligent wireless telegon 9 be in real-time listening state, intelligent wireless node 8 communication complete laggard enter sleep state, reduce power consumption.In order to reduce the power consumption of radio communication further, increase the transfer efficiency of radio communication, the present invention abandons original real-time response communication mode and the transmission frequency in a second, changes to: slotted communication mechanism.
Described intelligent wireless node 8 and intelligent wireless telegon 9 adopt slotted communication mode to carry out data when transmitting, and slot cycle is one minute; Wherein, intelligent wireless node 8 is configured with reported data time slot, reports request time slot, large data transmission slots and safe time slot in slot cycle.Wherein, reported data time slot refers in this time slot, intelligent wireless node 8 is setting the moment to intelligent wireless telegon 9 active reporting data, the data of described active reporting comprise the operating state data of data and the described intelligent wireless node 8 gathered Temperature Humidity Sensor 1, wind direction and wind velocity sensor 2, and the operating state data of intelligent wireless node 8 comprises the operating voltage of intelligent wireless node 8, circuit board Current Temperatures, the warning information of equipment and overstocked data message.Request time slot is reported to refer in this time slot, intelligent wireless node 8 initiatively sends inquiry request instruction in the setting moment to intelligent wireless telegon 9, intelligent wireless telegon 9 responds, period completes the parameter configuration function of intelligent wireless node 8, and formulate large data transmission slots transport-type, wireless network parameter configuration is comprised to the parameter configuration of intelligent wireless node 8, sensor type configuration and time configuration, large data transmission comprises data query, data reissue and intelligent wireless telegon 9 to intelligent wireless node 8 transmission system file, system file can be used for carrying out system update to intelligent wireless node 8.Large data transmission slots refers in this time slot, and intelligent wireless node 8 and intelligent wireless telegon 9 complete the data query of intelligent wireless node 8, the overstocked subsequent collection of data or the transmission of system file according to the transport-type reporting request time slot to formulate.Safe time slot refers in this time slot, has not allowed any communication operation to occur between intelligent wireless node 8 and intelligent wireless telegon 9.
In the embodiment of the present invention, intelligent wireless node 8 can configure reported data time slot as required, report the concrete time of request time slot, large data transmission slots and safe time slot, to adapt to different demands, simultaneously with the data transmission matching of intelligent wireless telegon 9; During concrete enforcement, intelligent wireless node 8 is reported data time slot at the 0-5s of slot cycle, and at 20s ~ 30s for reporting request time slot, be large data transmission slots at 35s ~ 55s, all the other are safe time slot.In the embodiment of the present invention, intelligent wireless telegon 9 is when the 15s of whole minute to backstage monitoring server reported data, and particularly, each gradient observation data after statistics are transferred in background monitoring server by communication by intelligent wireless telegon 9; Intelligent wireless telegon 9 is real-time response time slot at the other times of a minute.
Particularly, time data reported is divided in 0-5s, parameter configuration is divided in 20s-30s, the time-slot division that data query etc. need mass data to transmit is at 35s-55s, usually when not having large data to transmit, the data of the 0s-5s of only having per minute report the parameter configuration time slot of gap and 20s-30s to be the active period of radio communication, time in active period all assigns to each intelligent wireless node 8 by according to the lan address number of intelligent wireless node 8 itself, therefore each intelligent wireless node 8 can be waken up by certain fixed time in active period, sleep pattern is entered rapidly after completing self communication task, in the wind energy gradient Meteorological Observation System of steel tower 3, the moment difference of waking up of each intelligent wireless node 8, can avoid conflict.Because the time relating to actual data transfer is very short, therefore the actual time cumulation waking work up can not more than 5s in one minute for each intelligent wireless node 8, by this time-slot division mode, avoid the conflict of the radio communication between node to greatest extent, greatly reduce again the power consumption of intelligent wireless node 8 simultaneously.
In the embodiment of the present invention, the design of the slot cycle of a minute, derives from the requirement that meteorological observation specification carries out raw data calculating minute instantaneous value, one-minute average value, two minutes mean values, ten minutes mean values and selecting minute extreme value.
In existing wind energy gradient Meteorological Observation System, data transmission account form is centralized, and all raw data are pooled to so-called main collector 5, are converged the sampled data of level second by main collector 5, and complete various computing per minute.The volume of transmitted data of this scheme is very large, if be applied in slotted communication mechanism of the present invention, when point collector 4 quantity is more, system is difficult in the time slot of regulation, complete all data transmission.
In the embodiment of the present invention, data transmission technology mode is distributed, complete pre-service by intelligent wireless node 8 to calculate, by second, the sampled-data processing of level becomes the statistics of minute level, and the data of only transmission process, effectively improve transfer efficiency, because transmission intercal was at one minute, therefore can meet the requirement of real-time of one minute statistics; Under slotted communication mechanism, intelligent wireless telegon 9 directly can obtain the weather data of a minute of described intelligent wireless node 8 place observation gradient by the data of resolving the transmission of each intelligent wireless node 8, and by calculating the weather data of acquisition two minutes and ten minutes.Adopt distributed algorithm greatly can reduce the data volume of communication, and can by intelligent wireless telegon 9 by calculating further, the observation data needed for obtaining accurately, the real-time of the wireless transmission met and integrity demands.In order to strengthen extensibility, the division of slot cycle and each slot length is all configurable.
In the embodiment of the present invention, have between intelligent wireless node 8 and intelligent wireless telegon 9 and retransmit subsequent collection mechanism: described repeating transmission subsequent collection mechanism refers in regulation time slot, intelligent wireless node 8 is when data send unsuccessfully, the of short duration laggard row data re-transmitting of time delay will be waited for, sending times is no more than at most three times, more than three times, will abandon retransmitting, and store data in this locality of intelligent wireless node 8.Further, the data message overstock is uploaded to intelligent wireless telegon 9 by the reported data of reported data time slot, intelligent wireless telegon 9 and intelligent wireless node 8 are reporting in request time slot, make subsequent collection strategy, and in large data transmission slots, complete the subsequent collection of the overstocked data of intelligent wireless telegon 9 pairs of intelligent wireless nodes 8.
Intelligent wireless telegon 9 can also carry out the remote update of system file to intelligent wireless node 8, the remote update of described system file refers to that intelligent wireless node 8 initiatively sends inquiry request instruction to intelligent wireless telegon 9 reporting in request time slot, the transfer instruction of intelligent wireless node 8 system file assigned by intelligent wireless telegon 9, in large data transmission slots, intelligent wireless node 8 notifies intelligent wireless telegon 9 " being ready to ", and carries out the transmission of system file to intelligent wireless node 8 by intelligent wireless telegon 9.
Setup times synchronization mechanism between intelligent wireless telegon 9 and all intelligent wireless nodes 8, described Time Synchronization Mechanism referred to the time of intelligent wireless telegon 9 as reference time, intelligent wireless telegon 9 carries out time synchronized by with all intelligent wireless nodes 8, intelligent wireless node 8 contains the request instruction of local zone time to intelligent wireless telegon 9 transmission in request time slot reporting, intelligent wireless telegon 9 judges intelligent wireless node 8 and the mistiming of self, the restriction threshold values exceeded in intelligent wireless telegon 9 when the mistiming then starts and configures the time of intelligent wireless node 8.In the calculating of mistiming and the process of time configuration, quote backoff algorithm, eliminate the time error because output transmission comes, above-mentioned local zone time adopts absolute time.
As shown in Figure 3: described intelligent wireless node 8 comprises modal processor 12, the power end of described modal processor 12 is connected with node accumulator 10, modal processor 12 is also connected with node wireless transport module 11 and sensor interface 14, and node accumulator 10 is connected with node solar panels interface 13.
Modal processor 12 can adopt conventional low-power consumption micro-chip processor, node accumulator 10 is connected with solar panels 7 by node solar panels interface 13, to realize the charging to node accumulator 10, node accumulator 10 can provide the working power of modal processor 12, node wireless transport module 11 and junction sensor interface 14.Modal processor 12 connects Temperature Humidity Sensor 1 and wind direction and wind velocity sensor 2 by junction sensor interface 14, and can gather the data of Temperature Humidity Sensor 1 and wind direction and wind velocity sensor 2.Modal processor 12 carries out wireless connections by node wireless transport module 11 and intelligent wireless telegon 9, and modal processor 12 can also complete preliminary data prediction, and carries out parameter configuration according to the order of intelligent wireless telegon 9.
As shown in Figure 4: described intelligent wireless telegon 9 comprises mediators handle device 18, the power end of described mediators handle device 18 is connected with telegon accumulator 15, mediators handle device 18 is also connected with telegon wireless transport module 16 and wireless communication module, and telegon accumulator 15 is connected with telegon solar panels interface 20.Mediators handle device 18 is also connected with telegon sensor interface 19.Described wireless communication module comprises GPRS(General Packet Radio Service) module, 3G(3rd-generation) module or 4G module, wireless communication module also can adopt the mode of other radio communications, will not enumerate herein.In the embodiment of the present invention, show the state that wireless communication module adopts GPRS module 17.
Mediators handle device 18 can adopt conventional micro-chip processor, mediators handle device 18 carries out wireless transmission by telegon wireless transport module 16 and the node wireless transport module 11 of intelligent wireless node 8, namely the wireless transmission between node wireless transport module 11 and telegon wireless transport module 16 adopts IEEE-802.15.4 protocol mode, mediators handle device 18 receives the data of intelligent wireless node 8 transmission by telegon wireless transport module 16, and be transferred to far-end after data are processed, in the embodiment of the present invention, the data wireless that intelligent wireless node 8 transmits is transferred to background monitoring server by GPRS module 17 by described intelligent wireless telegon 9, further, the intelligent coordinated device of wireless data 9 transfers to background monitoring server by transmitting after pre-data are added up all intelligent wireless nodes 8.Background monitoring server can be observatory's server, realizes the data observation management of all wind energy gradient meteorologies.
Telegon accumulator 15 provides the working power of telegon wireless transport module 16, GPRS module 17, mediators handle device 18 and telegon sensor interface 19, telegon accumulator 15 is connected with solar panels 7 by telegon solar panels interface 20, to realize the charging to telegon accumulator 15.
Some intelligent wireless nodes 8 that the present invention is arranged on steel tower 3 form wireless system for transmitting data with the intelligent wireless telegon 9 bottom steel tower 3, intelligent wireless node 8 and intelligent wireless telegon 9 adopt wireless transmission, and adopt solar powered, solve the problem of difficult wiring on existing steel tower 3, and the round-the-clock reliability of wireless communication transmissions can be ensured, the real-time of data transmission and integrality, simple and compact for structure, convenient for installation and maintenance, practical reliable.
Claims (3)
1. one kind is applicable to the radio data transmission method of wind energy gradient meteorological observation, at the required intelligent wireless node (8) for gathering wind direction and wind velocity sensor (2) and Temperature Humidity Sensor (1) detection data of the upper installation of steel tower (3), it is characterized in that: described radio data transmission method comprises following transmitting step: the detection data wireless of collection is transferred to the intelligent wireless telegon (9) on steel tower (3) by described intelligent wireless node (8), and adopts slotted communication mode to carry out data transmission between intelligent wireless node (8) and intelligent wireless telegon (9); The observation data of the intelligent wireless node (8) after statistics is wirelessly transmitted to background monitoring server by wireless communication module by described intelligent wireless telegon (9);
Distributed algorithm is adopted to calculate meteorological measuring between described intelligent wireless node (8) and intelligent wireless telegon (9), carry out process by intelligent wireless node (8) to the detection data gathering wind direction and wind velocity sensor (2) and Temperature Humidity Sensor (1) to calculate, by second, the sampled-data processing of level becomes minute level statistics, and intelligent wireless node (8) is to the data of intelligent wireless telegon (9) only transmission process;
Intelligent wireless telegon (9) directly can obtain the weather data of a minute of described intelligent wireless node (8) place observation gradient by the data that each intelligent wireless node (8) of parsing is transmitted, and by calculating the weather data of acquisition two minutes and ten minutes;
Have between described intelligent wireless node (8) and intelligent wireless telegon (9) and retransmit subsequent collection mechanism, in the slot cycle of slotted communication mechanism, intelligent wireless node (8) is when data send unsuccessfully, the of short duration laggard row data re-transmitting of time delay will be waited for, sending times is no more than at most three times, more than three times, will abandon retransmitting, and store data in this locality of intelligent wireless node (8);
The backlog information of data is uploaded to intelligent wireless telegon (9) by the reported data of reported data time slot, intelligent wireless telegon (9) and intelligent wireless node (8) are reporting in request time slot, agreement subsequent collection strategy, and in large data transmission slots, complete the subsequent collection of intelligent wireless telegon (9) to the overstocked data of intelligent wireless node (8);
Setup times synchronization mechanism between described intelligent wireless telegon (9) and all intelligent wireless nodes (8), described Time Synchronization Mechanism with the time of intelligent wireless telegon (9) for reference time, intelligent wireless telegon (9) carries out time synchronized by with all intelligent wireless nodes (8), intelligent wireless node (8) contains the request instruction of local zone time to intelligent wireless telegon (9) transmission in request time slot reporting, intelligent wireless telegon (9) judges intelligent wireless node (8) and the mistiming of self, when the mistiming restriction threshold values exceeded in intelligent wireless telegon (9) then starts, the time of intelligent wireless node (8) is configured.
2. the radio data transmission method being applicable to wind energy gradient meteorological observation according to claim 1, it is characterized in that: described intelligent wireless node (8) also connects radiation sensor (21) on steel tower (3) and baroceptor (22), the detection data wireless of the radiation sensor (21) gathered and baroceptor (22) is transferred to intelligent wireless telegon (9) by intelligent wireless node (8).
3. the radio data transmission method being applicable to wind energy gradient meteorological observation according to claim 1, is characterized in that: described wireless communication module comprises GPRS module (17), 3G module or 4G module.
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| CN105427566B (en) * | 2015-12-09 | 2018-12-11 | 华南理工大学 | Wind power plant remote real time monitoring system and method based on wireless sensor network |
| CN105792337A (en) * | 2016-02-29 | 2016-07-20 | 华南理工大学 | Asymmetric wireless sensor node data transmitting and receiving device and method |
| CN106535341A (en) * | 2016-11-24 | 2017-03-22 | 北京必创科技股份有限公司 | Big data transmission method of wireless sensor network |
| CN106952464A (en) * | 2017-01-19 | 2017-07-14 | 武汉企鹅能源数据有限公司 | Intelligent data acqusition system and acquisition method |
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| CN102404855A (en) * | 2011-12-02 | 2012-04-04 | 上海工业自动化仪表研究院 | Wireless sensor network protocol based on institute of electrical and electronic engineers (IEEE) 802.15.4 |
| CN202602909U (en) * | 2012-06-01 | 2012-12-12 | 长春气象仪器研究所有限责任公司 | Altitude multi-layer real time meteorological data acquisition system based on zigbee technology |
| CN202771016U (en) * | 2012-07-23 | 2013-03-06 | 南京林业大学 | Automatic meteorological station/environment monitoring station for traffic route based on wireless sensor network |
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| CN103336317B (en) * | 2013-06-09 | 2016-04-13 | 国家电网公司 | A kind of anemometer tower with weather data real-time radio transfer function |
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Effective date of registration: 20191218 Address after: 214000 28 Weiming Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Aerospace new weather Technology Co., Ltd Address before: Jinxi road Binhu District 214027 Jiangsu city of Wuxi province No. 100 Patentee before: Jiangsu Provincial Radio Inst Co., Ltd. |