CN104580508A - Field station data transmission and integration system - Google Patents
Field station data transmission and integration system Download PDFInfo
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Abstract
The invention provides a field station data transmission and integration system. The system comprises an on-site system, wherein the on-site system comprises an on-site data processing module, a storage module, a wireless communication module, a power management module and a clock module. The on-site system receives network commands sent by a remote background system. According to the field station data transmission and integration system, the on-site data processing module is used for completing storage and transmission, a large internal memory can be expanded, and the file storage mode is changed to a database storage mode; an OBS instrument data protocol is simplified and standardized, commands can be remotely received and sent to control the operation state of an OBS instrument and data acquisition frequency, a sending network is selected preferably, the communication success rate is guaranteed to the largest extent, and data are stored continuously; when the network restores, messages are automatically forwarded, a standby power supply can be used through switching in time, and normal instrument data acquisition and normal network communication work are guaranteed.
Description
Technical field
The present invention relates to OBS instrument data to resolve and network monitor, particularly, relate to field station data transmission integration system.
Background technology
In prior art, OBS instrument some problems in the use procedure of actual field:
First, be recording frequency slow time short problem, such as 2 minutes records once can use 1 ~ 2 month, if need to accelerate measuring frequency, the time of keeping records will reduce at double, can not meet the requirement of long-time running.Next is that crash can not the problem of autoboot, once occur that OBS instrument crashes, necessary human intervention, re-start arranging of measurement parameter could again come into operation, but this is for situation about working in the wild for a long time, personnel's round trip dozens of kilometres, the time being exactly once a couple of days is easily very inconvenient place.Again, be that measurement data can not Long-range Data Transmission problem, OBS instrument relies on RS485 connection and transmits tens meters farthest, can not meet overlength distance data acquisition and carry out the requirement of data monitoring in real time.In addition the problem that power using time is short is also had, OBS instrument self uses one group of No. 1 dry cell power supply, rely on and reduce sample frequency, the basis of minimizing CPU power consumption of trying one's best extends working time to greatest extent, exactly because also this reason, cause OBS can only work relatively for a long time under low frequency operating mode, so still exist, battery capacity is little has a strong impact on the effect that instrument normally plays effect, during the unattended hydrometric station work worked especially in the wild, user also can because of knowing instrument power source operating state, cannot know power supply can also normal work how long worried.The pattern that separate unit instrument in the past works alone, also exist and cannot grasp real-time hydrographic data (needing directly to read registration card information to on-the-spot) in real time, arbitrarily cannot change sample frequency (time interval) when there is the some position needing to pay close attention to, can not process and pay close attention to etc. drawback in time to the great hydrographic message of appearance.In addition, the mode that OBS instrument reads data relies on special serial ports software, accessing file is daily for unit preserves, if need to derive long file, dozens of file can be produced, once read not in time, when the only 1M off-capacity of instrument self is to preserve file, automatically can cover storage file above, cause the loss of data of a period of time in instrument, have a strong impact on normal use., in the urgent need to us, the using method of instrument and mode are changed for this reason, overcome the drawback that instrument uses, play the function that instrument data gathers to greatest extent.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of field station data transmission integration system.The technical problem to be solved in the present invention be embodied in following some:
1) solve on-the-spot OBS instrument data can not obtain and the problem that cannot preserve for a long time by real time remote;
2) problem that data wireless networks transmission is limited by the easy lost data of network signal stability is solved;
3) solve field instrumentation data easily to occur causing ineffective time data time to make mistakes, the problem of statistical accuracy is measured in impact;
4) settlement server or network equipment failure cannot obtain the problem of historgraphic data recording after recovering;
5) the little problem affecting data remote quality and applicable field Long-Time Service of field apparatus its cells capacity is solved.
According to a kind of field provided by the invention station data transmission integration system, comprising: fielded system;
Described fielded system, comprises as lower device:
On-site data processing module, for receiving the instrument end data A from OBS hydrological instrument, and generates on-the-spot end data B according to instrument end data A, and wherein, described on-the-spot end data B comprises instrument end data A; Also be received from the network instruction of long-range background system to OBS hydrological instrument sending controling instruction for basis;
Memory module, for storing described on-the-spot end data B;
Wireless communication module, under the control of described on-site data processing module, sends to long-range background system by described on-the-spot end data B;
Power module, for providing power supply;
Clock module, for providing clock signal, wherein, described on-site data processing module according to described clock signal deal with data, and carries out time-tagging according to described clock signal to described on-the-spot end data B;
Described long-range background system, for receiving described on-the-spot end data B, and generate information according to on-the-spot end data B and/or send network instruction according to on-the-spot end data B to described on-site data processing module, described on-site data processing module according to network instruction to OBS hydrological instrument sending controling instruction.
Preferably, described wireless communication module comprises polytype mixed-media network modules mixed-media;
After described on-site data processing module receives instrument end data A, the signal being detected respective wireless network by described polytype mixed-media network modules mixed-media is strong and weak, and judges whether the signal strength signal intensity of the wireless network that signal is the strongest exceedes the intensity threshold of setting;
If: then described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored without described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
If not: then adopt any one mode following to generate and send on-the-spot end data B:
Described in-described on-site data processing module controls, memory module stores described instrument end data A, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored in described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
Described in-described on-site data processing module controls, memory module stores described instrument end data A, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, described on-site data processing module upgrades on-the-spot end data B according to the instrument end data A stored in described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
-described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored without described memory module, and control store module stores on-the-spot end data B, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, the described on-the-spot end data B that described memory module stores by described on-site data processing module is sent by the mixed-media network modules mixed-media that the wireless network the strongest with signal is corresponding;
Further, described on-the-spot end data B comprises the type of the wireless network of current use.
Preferably, described power module comprises power management module, main power source and stand-by power supply;
Described power management module, for described main power source electricity lower than setting power threshold after, by power supply provide source switch to stand-by power supply by main power source;
Described on-site data processing module receives the power information from described power management module, and using the part of power information as on-the-spot end data B;
Wherein, power information comprise following any one or appoint much information:
The electricity of-main power source;
The electricity of-stand-by power supply;
Switching state between-main power source and stand-by power supply.
Preferably, described fielded system, also comprises as lower device:
Protocol conversion module, for changing the communications protocol of OBS hydrological instrument, the clock signal synchronization OBS hydrological instrument provided according to described clock module measures frequency acquisition, and presses bar storage apparatus end data A in real time.
Preferably, described on-site data processing module with the first communications protocol receiving instrument end data A, and encapsulates described on-the-spot end data B by protocol conversion module with the data format of the second communications protocol;
Described second communications protocol, specific as follows:
1), when on-site data processing module is networked by wireless communication module, after using ICP/IP protocol and long-range background system to establish the link, on-the-spot end data B is sent on the corresponding port of long-range background system; In described second communications protocol, the instrument end data A that on-the-spot end data B comprises represents with visible ascii character, and with space-separated between data, data are all 9 bit ASCII codes, Right Aligns;
2), after long-range background system receives the valid data of Transmission Control Protocol, or after effective heartbeat packet data, send to fielded system and confirm data format: " NET OK! ", described confirmation data format be used for as on-site data processing module judge network with or without or fine or not;
3) long-range background system calls survey command format together:
| Command word | Initial time | Keyword | End time | End mark |
Wherein, call together the interfield surveyed in command format be free compartment every, initial time must be less than the end time;
4) correcting time in network instruction:
| Command word | Time | End mark |
Wherein, the interfield in correcting time in network instruction is free compartment to be the system time of long-range background system every, time;
5) state instruction agreement:
On-site data processing module sends information by following agreement to long-range background system, currently uses main power source or stand-by power supply, using wireless network A or wireless network B to point out;
A, use main power source instruction agreement: " POWERA OK! ";
B, use accessory power supply instruction agreement: " POWERB OK! ";
C, use wireless network A agreement: " NET-A OK! ";
D, use wireless network B agreement: " NET-B OK! ";
6) transmission frequency agreement is changed
| Command word | Time | End mark |
Changing transmission frequency agreement is assigned frequency for changing transmitted frequency, unit: second.
Preferably, described long-range background system, comprises as lower device:
Remote Data Analysis module, for receiving the on-the-spot end data B from described wireless communication module, and generates background end data C and network instruction according to on-the-spot end data B;
Network data processing module, for showing in real time background end data C, historical data statistics, rendering parameter curve, classification display same alike result Different field system data and curves or show the dissimilar data and curves of same fielded system;
Teledata library module, for being stored in SQL database by background end data C, and data search instruction, statistics instruction and the data that send of Remote Data Analysis module that response to network data processing module sends mend teletype command.
Preferably, described Remote Data Analysis module, comprises as lower device:
Data reception module, for receiving the on-the-spot end data B from described wireless communication module;
Instruction sending module, send network instruction for the wireless communication module to described fielded system, wherein, described network instruction is used to indicate described on-site data processing module;
Clock alignment module, for carrying out clock alignment function when actual usage data transfers out existing clock jitter; Because OBS instrument its temporal is independently clock timing unit, deviation can be there is actual time with system after operation a period of time, be the consistency ensureing data time, time calibration must be carried out by long-range;
Data mend transmission module, during for missing data, again read history internal storage data and carry out network transmission, supply the time period data of disappearance; Benefit is passed on Gong and can be divided into automatic makeup biography and manually mend biography, when causing controller to restart because of certain reason, perform automatic makeup pass on Gong can, program setting is mended and is passed current time to the historical data of first 1 hour, to prevent because loss of data in controller section start-up time; Artificial benefit passes namely when all wireless networks all lost efficacy or because after the shortage of data that causes of the reason such as server network fault, SIM card arrearage, can the data transport functions that breaks for the fixed time of people;
Transmission frequency setting module, for changing on-site data processing module data upload frequencies.Usual data acquiring frequency is 120 seconds frames, in case of exceptional circumstances, can pass through the transmission frequency of remote update data, fastest to 15 seconds frames.
Preferably, described Remote Data Analysis module analyzes the module receiving the on-the-spot end data B adopting TCP/IP data mode on designated ports, and on-the-spot end data B comprises following data type:
Measurement data: refer to the instrument end data A sent through on-site data processing module;
Presence state data: refer to for identifying the power supply type of fielded system use, the data of network type;
Order respective protocol data: refer to the instruction that long-range background system sent fielded system and the fielded system repeat-back protocol data for this instruction;
Line duration data: represent continuing or the cumulative time of the normal communication of mixed-media network modules mixed-media in wireless communication module;
Further, after receiving measurement data, data can be saved in teledata library module by Remote Data Analysis module; After receiving presence state data, Remote Data Analysis module by state information updating, can calculate the accumulated time statistics of previous state simultaneously; After receiving repeat-back protocol data, the decision instruction of Remote Data Analysis module sends whether success, if unsuccessful, resends instruction until success or exceed set point number.
Compared with prior art, the present invention has following beneficial effect:
1, the data that the present invention weakens OBS instrument store and transfer function, and stored and transmission by on-site data processing module (such as Single Chip Microcomputer (SCM) system), very large internal memory can be expanded, the mode that popular form of narrative literature flourishing in the Tang Dynasty part stores is the storage mode of database, simplify specification OBS instrument data agreement, can manage and the unusual condition of control OBS instrument simultaneously, control the behaviour in service of power supply, extended wireless remote control technology, data are allowed to be presented in real time on the computer of office, can long-range reception and send the running status of instruction controls OBS instrument and severally adopt frequency.
2, the power of the analysis active wireless network signal that the present invention can be intelligent, preferentially chooses transmission network, ensures communication success rate to greatest extent.Can when remote monitoring hostdown or network line situation bad, uninterruptedly preserve data, treat to transmit messages on network recovery is automatically literary composition.
3, the present invention is in power supply process, the problem due to power supply is avoided to cause OBS instrument cisco unity malfunction, adopt the method amplifying stand-by power supply, when the self-powered electricity of instrument is not enough, be switched to stand-by power supply in time, remote power supply is reported to the police simultaneously, points out our instrument to be at use reserve battery, can change power supply timely.Still can ensure that instrument data collection is normal and network communication is working properly in time when using reserve battery.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
According to a kind of field provided by the invention station data transmission integration system, comprising: with the fielded system of cordless communication network transmission data and long-range background system;
Described fielded system, comprises as lower device:
On-site data processing module, for receiving the instrument end data A from OBS hydrological instrument, and generates on-the-spot end data B according to instrument end data A, and wherein, described on-the-spot end data B comprises instrument end data A; Described instrument end data A comprises OBS hydrological instrument and obtains measurement data by measurement; Particularly, described on-site data processing module, is packaged into the data format that band time point is convenient to query history is stored in the memory module (such as storage chip) carried for responsible receiving instrument end data A.By the real-time communication with wireless communication module, on-the-spot end data B is forwarded to wireless communication module with set form, is transferred to specified network port by it.Whether have network instruction need perform, and judge whether to need to be switched to dissimilar mixed-media network modules mixed-media by the situation of requester network signal if diagnosing on the interface of intercepting wireless communication module simultaneously.Receive by the connection with power management module the electric quantity of power supply that power management module detects, judge that whether the current power supply used is reliable and stable, normal to ensure equipment electricity consumption the need of being switched to reserve battery.
Memory module, for storing described on-the-spot end data B; Also may be used for storing instrument end data A;
Wireless communication module, under the control of described on-site data processing module, sends to long-range background system by described on-the-spot end data B; Power module, for providing power supply;
Clock module, for providing clock signal, wherein, described on-site data processing module according to described clock signal deal with data, and carries out time-tagging according to described clock signal to described on-the-spot end data B;
Described long-range background system, for receiving described on-the-spot end data B, and generate information according to on-the-spot end data B and/or send network instruction according to on-the-spot end data B to described on-site data processing module, described on-site data processing module according to network instruction to OBS hydrological instrument sending controling instruction.
Described wireless communication module comprises polytype mixed-media network modules mixed-media; The mixed-media network modules mixed-media of described wireless communication module, can be GPRS wireless communication module and cdma wireless communication module, it be for wireless network communication, and the network of the reception and on-the-spot end data B of being responsible for network instruction sends;
After described on-site data processing module receives instrument end data A, the signal being detected respective wireless network by described polytype mixed-media network modules mixed-media is strong and weak, and judges whether the signal strength signal intensity of the wireless network that signal is the strongest exceedes the intensity threshold of setting;
If: then described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored without described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
If not: then adopt any one mode following to generate and send on-the-spot end data B:
Described in-described on-site data processing module controls, memory module stores described instrument end data A, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored in described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
Described in-described on-site data processing module controls, memory module stores described instrument end data A, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, described on-site data processing module upgrades on-the-spot end data B according to the instrument end data A stored in described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
-described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored without described memory module, and control store module stores on-the-spot end data B, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, the described on-the-spot end data B that described memory module stores by described on-site data processing module is sent by the mixed-media network modules mixed-media that the wireless network the strongest with signal is corresponding;
Further, described on-the-spot end data B comprises the type of the wireless network of current use.
Described power module comprises power management module, main power source and stand-by power supply; Described power management module, for described main power source electricity lower than setting power threshold after, by power supply provide source switch to stand-by power supply by main power source; Described on-site data processing module receives the power information from described power management module, and using the part of power information as on-the-spot end data B; Wherein, power information comprises information: the electricity of main power source, the electricity of stand-by power supply, switching state between main power source and stand-by power supply.Power management module is responsible for switching between main power source and stand-by power supply, for other modules in fielded system is powered.There is the function of external power supply (storage battery) electric power detection and corresponding Energy control instruction execution.
Described fielded system, also comprises protocol conversion module, and for changing the communications protocol of OBS hydrological instrument, the clock signal synchronization OBS hydrological instrument provided according to described clock module measures frequency acquisition, and presses bar storage apparatus end data A in real time.Described on-site data processing module with the first communications protocol receiving instrument end data A, and generates on-the-spot end data B with the data format of the second communications protocol, and the second communications protocol is defined by described protocol conversion module.First communications protocol can be the communications protocol of traditional OBS hydrological instrument.
First communications protocol adopts MODBUS-RTU agreement, and in MODBUS-RTU protocol format, the corresponding different address number of each website and port numbers, such as, be defined as follows:
1) MODBUS-RTU protocol format:
2) MODBUS agreement citing:
Instruction: read data
07 03 17 70 00 1F 00 0B
Data recovery:
07 03 3e 00 00 00 d0 00 00 03 ca 00 06 f9 00 00 00 00 20 00 00 00 12 00 00 002a 31 31 2f 31 35 20 30 39 3a 35 38 3a 30 30 00 00 00 00 00 00 00 00 00 00 0000 00 00 00 00 00 00 00 00 00 00 00 00 ac 54
Instruction: read data
06 03 17 70 00 1F 01 DA
Data recovery:
06 03 3e 00 00 01 16 00 00 0d e3 00 00 07 09 00 00 00 bd 00 00 00 70 00 00 0029 31 31 2f 31 35 20 30 39 3a 35 38 3a 31 35 00 00 00 00 00 00 00 00 00 00 0000 00 00 00 00 00 00 00 00 00 00 00 00 cd 1b
3) data illustrate:
06---address;
03---instruction;
3e---data length;
00 00 01 16---water level, is converted into rice except 100;
00 00 0d e3---turbidity, 355.5, except 10;
00 00 07 09---temperature, 18.01, except 100;
00 00 00 bd---conductivity, 1.89, except 100;
00 00 00 70---salinity, 1.12, except 100;
00 00 00 29---electricity, 4.1, except 10;
31 31 2f 31 35 20 30 39 3a 35 38 3a 31 35---times, ascii code character, directly shows 11/15 09:58:15;
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00---fill word, reserved use, need not comprehend;
Cd 1b---CRC check
Further, described second communications protocol, specific as follows:
Illustrate: when on-site data processing module is networked by wireless communication module, after using ICP/IP protocol and long-range background system to establish the link, on-the-spot end data B is sent on the corresponding port of long-range background system, therefore do not need during data communication to use ID marking equipment title, but different port must be arranged to show difference;
1) the instrument end data A that on-the-spot end data B comprises represents with visible ascii character, with space-separated between data, and such as form following (4):
Citing:
Illustrate:
A, data total length are 9+11+1+9+9+9+9+9+9+2=75;
B, data are all 9 bit ASCII codes, Right Aligns;
2), after long-range background system receives the valid data of Transmission Control Protocol, or after effective heartbeat packet data, send to DTU and confirm data format: " NET OK! ".Can help controller judge network with or without or quality.
3) long-range background system calls survey command format together:
Citing:
RDHIS 08:08:00 01/01/2014TO 18:08:00 01/01/2014*
Attention: interfield be free compartment every, initial time must be less than the end time;
Illustrate:
It is consistent with real time data that A, historical data reply form;
B, historical data reply a maximum frame can comprise the data of 5 (totally 375 bytes), frequency be 1 second once;
C, order reply instruction be: " RDHIS OK! "
4) correcting time in network instruction:
Attention: interfield be free compartment every, the time is the computer system time;
Order reply instruction be: " TIME OK! "
5) state instruction agreement
A, use main power source instruction agreement: " POWERA OK! ";
B, use accessory power supply instruction agreement: " POWERB OK! ";
C, use GPRS network agreement: " GPRS OK! ";
D, use cdma network agreement: " CDMA OK! ";
On-site data processing module could use main power source or stand-by power supply to the prompting of long-range background system transmission information is current, is using GPRS network or cdma network!
6) transmission frequency agreement is changed
Change transmitted frequency is assigned frequency, unit: second;
By the 2 kinds of agreements contrasts before and after this of the first above-mentioned communications protocol and the second communications protocol, can draw to draw a conclusion:
1, former agreement (i.e. the first communications protocol) only has the agreement of transfer of data, do not have state, control and historical data to mend and pass agreement, and New Deal (i.e. the second communications protocol) has state, control and historical data benefit biography agreement;
2, former agreement does not possess time marking, is not easy to searching and managing of data;
3, the data of former agreement need software conversion just can draw the value of True Data, and New Deal directly can present measurement data;
4, former agreement can not be applicable to on-site data processing module local memory requirement, because data format does not possess the information such as time marking, regular field, the mark that can represent data, and New Deal all possesses;
5, former agreement can not provide and help the monitoring of system running state, complete passive execution, and New Deal provides status indicator and software and hardware interaction mechanism.
Further, described long-range background system, comprises as lower device:
Remote Data Analysis module, for receiving the on-the-spot end data B from described wireless communication module, and generates background end data C and network instruction according to on-the-spot end data B;
Network data processing module, for showing in real time background end data C, historical data statistics, rendering parameter curve, classification display same alike result Different field system data and curves or show the dissimilar data and curves of same fielded system; It can also form the form and curve document that export each key parameter.
Teledata library module, for being stored in SQL database by background end data C, and data search instruction, statistics instruction and the data that send of Remote Data Analysis module that response to network data processing module sends mend teletype command.
Remote Data Analysis module, for the TCP/IP data flow of the responsible reception network port, judge it is the presence states information detecting data or the transmission of on-site data processing module according to the data type uploaded, these information comprise the contents such as the network type of current use, the power supply type of use, line duration and order respective protocol, and determine whether to need to carry out clock alignment according to content, data mend the actions such as biography, transmission frequency setting.
Remote Data Analysis module analyzes the program module receiving TCP/IP data on designated ports, and these data just comprise the protocol data etc. of measurement data that effective detection (collection) arrives and identification-state, must be judged and distinguish, analysis module needs to make corresponding process and response according to the difference of data type.Data type is divided into substantially:
Measurement data---through the OBS instrument data that on-site data processing CPU module sends;
Presence state data---power supply type (main power source or stand-by power supply), network type (GPRS or CDMA) etc. that mark field apparatus uses;
Order respective protocol---when long-range to field apparatus carry out instruction send time, as time calibration order, the reply data of instruction can be received, show that instruction normally performs;
Line duration represents the time during normal communication of GPRS or CDMA module, if wireless communication module is abnormal, line duration can not upgrade, and conveniently checks and judges whether transmission network normally and finally completes the time of effective communication.
After receiving measurement data, data can be saved in database by Remote Data Analysis module; After receiving status data, Remote Data Analysis module by state information updating, can calculate the accumulated time statistics of previous state simultaneously; After receiving repeat-back protocol data, judge whether successfully, otherwise resend instruction until success or exceed set point number (giving tacit consent to 3 times).
Particularly, described Remote Data Analysis module, comprises as lower device:
Data reception module, for receiving the on-the-spot end data B from described wireless communication module;
Instruction sending module, send network instruction for the wireless communication module to described fielded system, wherein, described network instruction is used to indicate described on-site data processing module.
Further, the present invention may be used for performing following steps:
Step 1: by the communications protocol of protocol conversion module conversion OBS instrument, simultaneously do not use the time of former data (being subject to its cells influence time forbidden) but the clock system that carries of usage data processing module, synchronous OBS apparatus measures frequency acquisition press bar storage data in real time.In the process, need former communications protocol to be converted to the format agreement being applicable to inquiry and storing, comprise time-tagging, facility information and comprise battery electric quantity, use the New Deal of the information such as network type, facilitate the requirement of data retrieval when long-range real-time query and historical query.
Step 2: the mode of on-the-spot number being adopted to instrument access is upgraded, and straighten and be connected to being transmitted as after on-site data processing model module (such as CPU) of wireless remote module, data are sent by wireless communication module after carrying out protocol encapsulation.
Step 3: utilize the power module traditional single supply being changed into duplicate supply pattern, start stand-by power supply when main power source off-capacity and compensate power supply, power supply using state information is sent to long-range background system alarm indication simultaneously, realize the real-time management to power status, ensure that instrument and equipment normally uses.
Step 4: real-time Data Transmission Function Extension will be only had for transfer function can be compensated to historical data, the problem that this application can greatly avoid the teledata brought because of network and equipment fault not upgrade in time is the powerful guarantee playing functions of the equipments.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. a field station data transmission integration system, is characterized in that, comprising: fielded system;
Described fielded system, comprises as lower device:
On-site data processing module, for receiving the instrument end data A from OBS hydrological instrument, and generates on-the-spot end data B according to instrument end data A, and wherein, described on-the-spot end data B comprises instrument end data A; Also be received from the network instruction of long-range background system to OBS hydrological instrument sending controling instruction for basis;
Memory module, for storing described on-the-spot end data B;
Wireless communication module, under the control of described on-site data processing module, sends to long-range background system by described on-the-spot end data B;
Power module, for providing power supply;
Clock module, for providing clock signal, wherein, described on-site data processing module according to described clock signal deal with data, and carries out time-tagging according to described clock signal to described on-the-spot end data B.
2. field according to claim 1 station data transmission integration system, it is characterized in that, described wireless communication module comprises polytype mixed-media network modules mixed-media;
After described on-site data processing module receives instrument end data A, the signal being detected respective wireless network by described polytype mixed-media network modules mixed-media is strong and weak, and judges whether the signal strength signal intensity of the wireless network that signal is the strongest exceedes the intensity threshold of setting;
If: then described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored without described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
If not: then adopt any one mode following to generate and send on-the-spot end data B:
Described in-described on-site data processing module controls, memory module stores described instrument end data A, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored in described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
Described in-described on-site data processing module controls, memory module stores described instrument end data A, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, described on-site data processing module upgrades on-the-spot end data B according to the instrument end data A stored in described memory module, and the mixed-media network modules mixed-media then controlling the wireless network the strongest with signal corresponding sends described on-the-spot end data B;
-described on-site data processing module generates on-the-spot end data B according to the instrument end data A stored without described memory module, and control store module stores on-the-spot end data B, after the signal strength signal intensity measuring the strongest wireless network of signal to be checked exceedes the intensity threshold of setting, the described on-the-spot end data B that described memory module stores by described on-site data processing module is sent by the mixed-media network modules mixed-media that the wireless network the strongest with signal is corresponding;
Further, described on-the-spot end data B comprises the type of the wireless network of current use.
3. field according to claim 1 station data transmission integration system, it is characterized in that, described power module comprises power management module, main power source and stand-by power supply;
Described power management module, for described main power source electricity lower than setting power threshold after, by power supply provide source switch to stand-by power supply by main power source;
Described on-site data processing module receives the power information from described power management module, and using the part of power information as on-the-spot end data B;
Wherein, power information comprise following any one or appoint much information:
The electricity of-main power source;
The electricity of-stand-by power supply;
Switching state between-main power source and stand-by power supply.
4. field according to claim 3 station data transmission integration system, is characterized in that described fielded system also comprises as lower device:
Protocol conversion module, for changing the communications protocol of OBS hydrological instrument, the clock signal synchronization OBS hydrological instrument provided according to described clock module measures frequency acquisition, and presses bar storage apparatus end data A in real time.
5. field according to claim 4 station data transmission integration system, it is characterized in that, described on-site data processing module with the first communications protocol receiving instrument end data A, and encapsulates described on-the-spot end data B by protocol conversion module with the data format of the second communications protocol;
Described second communications protocol, specific as follows:
1), when on-site data processing module is networked by wireless communication module, after using ICP/IP protocol and long-range background system to establish the link, on-the-spot end data B is sent on the corresponding port of long-range background system; In described second communications protocol, the instrument end data A that on-the-spot end data B comprises represents with visible ascii character, and with space-separated between data, data are all 9 bit ASCII codes, Right Aligns;
2), after long-range background system receives the valid data of Transmission Control Protocol, or after effective heartbeat packet data, send to fielded system and confirm data format: " NET OK! ", described confirmation data format be used for as on-site data processing module judge network with or without or fine or not;
3) long-range background system calls survey command format together:
Wherein, call together the interfield surveyed in command format be free compartment every, initial time must be less than the end time;
4) correcting time in network instruction:
Wherein, the interfield in correcting time in network instruction is free compartment to be the system time of long-range background system every, time;
5) state instruction agreement:
On-site data processing module sends information by following agreement to long-range background system, currently uses main power source or stand-by power supply, using wireless network A or wireless network B to point out;
A, use main power source instruction agreement: " POWERA OK! ";
B, use accessory power supply instruction agreement: " POWERB OK! ";
C, use wireless network A agreement: " NET-A OK! ";
D, use wireless network B agreement: " NET-B OK! ";
6) transmission frequency agreement is changed
Changing transmission frequency agreement is assigned frequency for changing transmitted frequency, unit: second.
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