CN115604051A - High-reliability hydrological survey station data acquisition and transmission method - Google Patents
High-reliability hydrological survey station data acquisition and transmission method Download PDFInfo
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- CN115604051A CN115604051A CN202211234071.9A CN202211234071A CN115604051A CN 115604051 A CN115604051 A CN 115604051A CN 202211234071 A CN202211234071 A CN 202211234071A CN 115604051 A CN115604051 A CN 115604051A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 45
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000012790 confirmation Methods 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
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Abstract
The invention discloses a high-reliability hydrological survey station data acquisition and transmission method, and relates to the technical field of acquisition of survey station data in the water conservancy industry. The method comprises the following steps: the method realizes double sending of monitoring data of the hydrological measuring station, confirmation of 5G communication and intelligent switching of double links based on protocol self-adaptation, and ensures the reliability of data to prevent external interception or counterfeiting of the data. The hydrological observation station data acquisition and transmission method supports 5G communication and Beidou communication, can monitor the communication content of RS485, can analyze the acquisition value of a sensor according to the communication content, can transmit the acquisition data by adopting a new protocol according to the requirement of a new docking platform on the protocol, can respectively encrypt and transmit the content of the Beidou communication data and the content of the 5G communication data by adopting a public key, can acquire accurate time according to a Beidou time service system, adds a timestamp to the communication content, can adopt the strategy that the 5G communication is the main and the Beidou third-generation communication is the auxiliary, and can automatically switch the communication link.
Description
Technical Field
The invention relates to the technical field of acquisition of survey station data in the water conservancy industry, in particular to a high-reliability hydrological survey station data acquisition and transmission method.
Background
The scene has a requirement on high reliability of the data of the measuring station in the water conservancy industry, and particularly relates to a data acquisition and transmission method. At present, scenes are mainly applied to the water conservancy industry, and hydrological data need to be acquired for a survey station so as to facilitate further high-reliability data acquisition.
In a water conservancy application scene, a hydrological station has higher requirements on high reliability of data, and the problems encountered by the prior station application and places needing to be perfected are summarized and sorted, however, two problems of the hydrological station are two problems at present, namely equipment hardware failure, and data cannot be acquired and transmitted due to the failure of a sensor or a survey station; and secondly, the protocol of the back-end data receiving platform is updated, so that the existing equipment cannot be connected to the new platform according to the new protocol. How to realize the double sending of hydrological observation station monitoring data based on protocol self-adaptation, how to realize the double-link intelligent selection in the three-generation converged communication technology based on 5G + Beidou, how to receive the reliability check of data at the double-link of the customized time point, and the like become important problems which need to be solved urgently.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, a high-reliability hydrological measurement station data acquisition and transmission method is provided, mainly solving the problem that monitoring data of a double-generation hydrological measurement station is difficult to solve, simultaneously solving the problem of double-link intelligent selection, and obtaining a reliability verification method for the double-link receiving data of a customized time point.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a high-reliability hydrological survey station data acquisition and transmission method, which comprises the following steps of;
s1, collecting communication modes between the RTU and the sensor, acquiring data by the station through an RS485 bus, performing data interaction by using a Modbus-RTU protocol, adopting a monitoring mode for the RS485 bus, additionally arranging monitoring equipment between the RTU and the sensor, and butting the monitoring protocol to a platform.
S2, for confirmation of 5G communication and intelligent switching of double links, mounting points of stations are mounted on the section of a key basin, 5G communication coverage is adopted, beidou third-generation communication is matched as assistance, when 5G data cannot be reached, beidou is switched to report real-time data, and after 5G signals are recovered, a form of reporting and confirming the data again is adopted.
S3, ensuring the reliability of data, preventing external interception or data forgery, encrypting the Beidou and 5G data, introducing a timestamp form into the message, ensuring the real-time performance of the data, decrypting the message after the double-link receiving server receives the message, verifying and comparing the timestamp and the message content, and considering that the communication data is stable and reliable when the results are the same.
Furthermore, the new data platform can store the monitored data sent by the sensors.
Further, S21, when the 5G network is available, 5G communication service feedback is carried out, when the feedback is normal, 5G communication is completed, and when the feedback is abnormal, the reporting of real-time data is carried out through the Beidou instead.
And further S31, after the comparison between the timestamp and the message content is completed, if the results are the same, the data is stored in a storage, and if the results are different, an alarm is given.
Further, in step S3, the Beidou and 5G data are encrypted in an asymmetric encryption manner, and keys of the two links are set to be different.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. support 5G communication and big dipper communication.
2. The RS485 communication content can be monitored, and the acquisition value of the sensor can be analyzed according to the communication content.
3. The new protocol can be adopted to send the collected data according to the requirements of the new docking platform on the protocol.
4. The content of the Beidou communication data and the content of the 5G communication data can be encrypted and sent by adopting the public key.
5. Accurate time can be obtained according to the Beidou time service system, and a timestamp is added to communication content.
6. The communication link can be automatically switched by adopting a strategy of taking 5G communication as a main part and beidou third-generation communication as an auxiliary part.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of the functional structure of S1;
FIG. 2 is a schematic diagram of the functional structure of S2;
fig. 3 is a schematic diagram of the S3 functional structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a method for acquiring and transmitting data of a high-reliability hydrological measurement station, including; the reliability verification method for realizing double transmission of hydrological survey station monitoring data based on protocol self-adaptation and realizing double-link intelligent selection and customizing data received by double links at time points based on a 5G + Beidou third-generation fusion communication technology specifically comprises the following steps:
s1, analyzing the composition of a hydrological measuring station, which can be divided into four parts in general: the device comprises a power supply part, a rod body part, an RTU (sensor data acquisition and transmission equipment) and a sensor. The power supply part and the rod body part are used as infrastructure of the system, abnormal conditions are few, and due maintenance or replacement can be carried out. Through collecting the communication mode between RTU and the sensor, the website adopts the RS485 bus to carry out data acquisition, uses the Modbus-RTU agreement to carry out data interaction, and the RS485 bus adopts the monitor mode, installs monitoring facilities additional between RTU and sensor, adopts the monitor protocol to dock new data platform to the data that the sensor that will monitor was sent are preserved by new data platform. Therefore, the method has no influence on the original equipment, monitors the existing data without influencing the data communication state on the bus, and the new equipment also becomes an independent system.
S2, for confirmation of 5G communication and intelligent switching of double links, mounting points of stations are mounted on the section of a key basin, 5G communication coverage is adopted, beidou third-generation communication is matched as assistance, when 5G data are unavailable, beidou is switched to report real-time data, and after 5G signals are recovered, a form of reporting and confirming the data again is adopted.
S21, when the 5G network is available, 5G communication service feedback is carried out, when the feedback is normal, 5G communication is completed, and when the feedback is abnormal, the reporting of real-time data is carried out through the Beidou instead, so that the real-time reporting of the data is ensured.
S3, ensuring the reliability of data to prevent external interception or counterfeit data, adopting an asymmetric encryption mode for Beidou and 5G data, setting keys of two links to be different, introducing a timestamp form into the message, ensuring the real-time performance of the data, decrypting the message after the double-link receiving server receives the message, verifying and comparing the timestamp and the message content, and considering that the communication data is stable and reliable when the results are the same.
And S31, after the comparison between the time stamp and the message content is completed, storing the data in a storage if the results are the same, and giving an alarm if the results are different.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A high-reliability hydrological survey station data acquisition and transmission method is characterized by comprising the following steps;
s1, collecting communication modes between an RTU and a sensor, acquiring data by a station through an RS485 bus, and performing data interaction through a Modbus-RTU protocol, wherein the RS485 bus adopts a monitoring mode, monitoring equipment is additionally arranged between the RTU and the sensor, and the RTU and the sensor are butted to a platform through a monitoring protocol;
s2, confirming 5G communication and intelligently switching double links, wherein mounting points of stations are mounted on the section of a key basin, 5G communication coverage is adopted, beidou third-generation communication is matched as assistance, beidou is switched to report real-time data when 5G data cannot be reached, and after 5G signals are recovered, a form of reporting and confirming the data again is adopted;
s3, ensuring the reliability of data, preventing external interception or data forgery, encrypting Beidou and 5G data, introducing a timestamp form into a message, ensuring the real-time performance of the data, decrypting the message after the double-link receiving server receives the message, verifying and comparing the timestamp and the message content, and considering that the communication data is stable and reliable when the results are the same.
2. The method for acquiring and transmitting data of a highly reliable hydrological station according to claim 1, wherein the new data platform is capable of storing data from the monitored sensors.
3. The method for acquiring and transmitting the data of the highly reliable hydrological survey station according to claim 1, wherein the step S2 further comprises the steps of:
s21, when the 5G network is available, 5G communication service feedback is carried out:
if the feedback is normal, 5G communication is completed;
if the feedback is abnormal, reporting real-time data through the Beidou satellite.
4. The method for acquiring and transmitting the data of the highly reliable hydrological survey station according to claim 1, wherein the step S3 further comprises the steps of:
s31, after the comparison between the timestamp and the message content is completed, checking the result:
if the results are the same, the data is put in a warehouse for storage;
and if the results are different, alarming.
5. The method for acquiring and transmitting the data of the highly reliable hydrological observation station according to claim 1, wherein in step S3, the Beidou and 5G data are encrypted in an asymmetric encryption manner, and keys of two links are set to be different.
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| CN202211234071.9A CN115604051A (en) | 2022-10-10 | 2022-10-10 | High-reliability hydrological survey station data acquisition and transmission method |
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| CN111934751A (en) * | 2020-08-28 | 2020-11-13 | 中南民族大学 | Agricultural environment data acquisition system and method based on Beidou short message |
| CN112349083A (en) * | 2020-09-29 | 2021-02-09 | 北京空间飞行器总体设计部 | Multi-mode data management and communication system suitable for field unattended station |
| CN114339636A (en) * | 2021-12-31 | 2022-04-12 | 中水三立数据技术股份有限公司 | Rain condition monitoring system based on Beidou short message communication and communication method thereof |
-
2022
- 2022-10-10 CN CN202211234071.9A patent/CN115604051A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025056A (en) * | 2014-04-25 | 2015-11-04 | 上海迪爱斯通信设备有限公司 | Internet of Things information collection and monitoring system design method |
| CN208369630U (en) * | 2018-06-20 | 2019-01-11 | 北京中科众为技术有限公司 | A kind of multi-energy data monitoring system |
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