CN115766898A - Beidou data transmission terminal and method for flood prevention of electric power facilities - Google Patents

Beidou data transmission terminal and method for flood prevention of electric power facilities Download PDF

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Publication number
CN115766898A
CN115766898A CN202211422721.2A CN202211422721A CN115766898A CN 115766898 A CN115766898 A CN 115766898A CN 202211422721 A CN202211422721 A CN 202211422721A CN 115766898 A CN115766898 A CN 115766898A
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China
Prior art keywords
data
beidou
flood prevention
unit
terminal
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CN202211422721.2A
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Chinese (zh)
Inventor
刘俊翔
范伟男
许中
黄青丹
刘广辉
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Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN202211422721.2A priority Critical patent/CN115766898A/en
Publication of CN115766898A publication Critical patent/CN115766898A/en
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Abstract

The invention discloses a Beidou data transmission terminal and a Beidou data transmission method for flood prevention of electric power facilities. The terminal comprises a plurality of information acquisition units, a remote measuring terminal and a power supply unit. The remote measuring terminal comprises a flood prevention information acquisition interface unit, a controller and a Beidou communication unit; the flood prevention information acquisition interface unit is electrically or communicatively connected with the information acquisition unit; the controller is electrically or communicatively connected with the flood prevention information acquisition interface unit and is used for completing the transmission of data acquired by the terminal and controlling the format of the acquired flood prevention information; the controller is electrically or communicatively connected with the Beidou communication unit and is used for transmitting the acquired and packaged flood prevention information to the Beidou transmission unit and controlling the Beidou transmission unit to transmit the transmitted message to the remote Beidou commander. The transmission terminal provided by the invention can better complete the flood prevention task of the electric power facility in the remote non-signal area, not only can realize the communication in the remote non-signal area, but also can realize the flood prevention monitoring of the electric power facility.

Description

Beidou data transmission terminal and method for flood prevention of electric power facilities
Technical Field
The invention belongs to the technical field of flood prevention of electric power facilities, and particularly relates to a Beidou data transmission terminal and a Beidou data transmission method for flood prevention of electric power facilities.
Background
With the rapid development of national economy, it is increasingly important to ensure the health of the power system, since any failure of the power system will cause serious losses. The inland inundation disaster is one of the common and more harmful natural disasters, and is always highly regarded. The flood prevention work of the power facilities is more important for waterlogging defense. The traditional wired waterlogging monitoring equipment for electronic facility flood prevention is often limited by the cost and installation conditions of the monitoring equipment, and the traditional line monitoring system is often inconvenient to install, inspect and maintain. The development of wireless sensor devices provides new options for wiring and device placement. Hazardous locations or restricted areas that were previously inaccessible can now be monitored with wireless sensors. With the rapid development of processor technology and communication technology, it is an inevitable trend that wired cables will be replaced, in whole or in part, using wireless communication technology. Common wireless communication schemes include NB, 4G, and 5G, among others.
In order to better complete the flood prevention task of the electric power facilities in the remote non-signal areas, a new flood prevention monitoring device for the electric power facilities is urgently needed, and not only can the communication of the remote non-signal areas be realized, but also the flood prevention monitoring of the electric power facilities can be realized.
Disclosure of Invention
The invention mainly aims to overcome the defects in the prior art and provide a Beidou data transmission terminal and a Beidou data transmission method for flood prevention of electric power facilities.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a Beidou data transmission terminal for flood prevention of an electric power facility.
The remote measuring terminal comprises a flood prevention information acquisition interface unit, a controller and a Beidou communication unit; the flood prevention information acquisition interface unit is electrically or communicatively connected with the information acquisition unit;
the controller is electrically or communicatively connected with the flood prevention information acquisition interface unit and is used for completing transmission of terminal acquisition data and format control of the acquired flood prevention information;
the controller is electrically or communicatively connected with the Beidou communication unit and used for transmitting the acquired and packaged flood prevention information to the Beidou transmission unit and controlling the Beidou transmission unit to transmit the transmitted message to the remote Beidou commander.
The system is characterized by further comprising a power supply management unit, wherein the power supply unit comprises a lithium battery and a solar panel; the power supply management unit is used for controlling the solar panel to output and supply objects.
The method is characterized in that the information acquisition unit is controlled by the telemetering terminal to acquire the information and transmit the information through a ModBus protocol.
As a preferred technical scheme, the system further comprises a storage unit, wherein the storage unit comprises a ferroelectric memory and an SD card, and the ferroelectric memory is used for storing system parameters and operation parameters of a telemetry terminal software system during operation and an upgrade package for remote upgrade; the SD card stores flood prevention information processed by the controller, the information is also synchronously stored in the SD card when being transmitted by the Beidou communication unit, the information accords with a hydrological Sl651 protocol, and the flood prevention information collected by the telemetering terminal for at most one month is stored.
As a preferred technical scheme, the monitoring unit comprises an air pressure sensor and a temperature and humidity sensor and is used for acquiring an air pressure environment and a temperature and humidity environment around hardware equipment of the remote measurement terminal when the remote measurement terminal runs and avoiding damage of the hardware of the remote measurement terminal, and the bluetooth unit is communicated with the controller and is used for providing basic operation information of the remote measurement terminal when operation and maintenance personnel are connected with the bluetooth unit of the remote measurement terminal through external equipment or configuring operation parameters for an upgrading program of the remote measurement terminal through the link.
As the preferred technical scheme, the flood prevention monitoring equipment further comprises a detachable support, and the equipment is connected with the power facility flood prevention monitoring data sub-terminal through the detachable support.
In another aspect of the invention, a Beidou data transmission method for flood prevention of an electric power facility is provided, and the Beidou data transmission terminal for flood prevention of the electric power facility comprises a Beidou short message communication system application interface design, a Beidou short message communication system data processing fusion algorithm and a Beidou short message communication system antenna beam pointing algorithm;
the application interface design of the Beidou short message communication system is used for determining the structure and encryption and decryption modes of a data packet in the data transmission process of equipment;
the Beidou short message communication system data processing fusion algorithm is used for guaranteeing error code retransmission and data backup in the data transmission process of equipment;
the Beidou short message communication system antenna beam pointing algorithm is used for realizing automatic search of communication signal intensity and optimization of system transmission stability during equipment deployment.
As a preferred technical scheme, in the application interface design of the Beidou short message communication system, the communication system application interface thereof stipulates a uniform transmission information format, an information content format and a command/response body information format and is used for ensuring the reliability and the packet loss rate in the data point-to-point transmission process; the transmission information format comprises a frame structure, a checksum format, a longitude and latitude format and a time format; the information content format comprises an information content structure definition, an information header field definition and a command body field definition; the command/response body information format comprises an authorization mode and a parameter resetting mode.
As an optimal technical scheme, the Beidou short message communication system data processing fusion algorithm utilizes two channels of Beidou short message receiving and receiving to compare the data receiving effect of a communication transmission link, fuses the data characteristics of short messages, and specifically comprises the following steps:
extracting data characteristics of different sources, sending data by monitoring equipment, normalizing, screening, filtering and combining the received data of the Beidou director and the received data of the Beidou ground station, and extracting characteristics of the data set;
data alignment, namely performing data alignment on the different source data to determine the consistency of the multi-source data, thereby avoiding the accuracy of data fusion or conflict processing;
data fusion processing, namely sequencing and merging the data according to sending time if the multi-source data is not subjected to data alignment; for the data which completes the data alignment, two types of fusion processing are needed, under the condition that the characteristic values of the data are completely the same, the data of one source is only selected, and the multiple identical data are discarded; and comparing the homologous data of the last sending time and selecting the data with the minimum difference value under the condition that the characteristic values of the data are not completely consistent.
As an optimal technical scheme, the Beidou short message communication system antenna beam pointing algorithm specifically comprises:
calculating an antenna beam pointing angle pointing to the Beidou satellite according to the geographical position and the deployment attitude of the carrier; and selecting an optimal Beidou satellite according to the synthesized beam gain of the carrier antenna and the Beidou satellite beam gain of the geographical position, and pointing the antenna beam to the satellite.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) The core of the invention is to add an automatic flood prevention information acquisition method;
(2) According to the invention, the adaptation of the Beidou short message communication system and the hydrological SL651 communication protocol is completed through self-defining the Beidou short message communication system application interface, the Beidou short message communication system data processing fusion algorithm and the Beidou short message communication system antenna beam pointing algorithm, and a reliable Beidou data transmission scheme for power facility flood prevention is provided.
(3) According to the invention, a Beidou communication mode which only transmits and does not receive is used, so that the production cost and the operation power consumption of the Beidou data transmission terminal for power facility flood prevention are reduced, and a flood prevention information transmission mode different from NB, 4G and 5G is provided.
Drawings
Fig. 1 is a schematic structural diagram of a Beidou data transmission terminal for flood prevention of electric power facilities according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Examples
As shown in fig. 1, the embodiment provides a big dipper data transmission terminal for flood prevention of an electric power facility, which includes a plurality of information acquisition units, a telemetry terminal and a power supply unit.
The remote measuring terminal comprises a flood prevention information acquisition interface unit, a controller and a Beidou communication unit; the flood prevention information acquisition interface unit is electrically or communicatively connected with the information acquisition unit;
the controller is electrically or communicatively connected with the flood prevention information acquisition interface unit and is used for completing the transmission of data acquired by the terminal and controlling the format of the acquired flood prevention information;
the controller is electrically or communicatively connected with the Beidou communication unit and used for transmitting the acquired and packaged flood prevention information to the Beidou transmission unit and controlling the Beidou transmission unit to transmit the transmitted message to the remote Beidou commander.
Further, in this embodiment, the Beidou data transmission terminal further comprises a power supply management unit, the whole Beidou data transmission terminal is guaranteed to be powered by the power supply unit and the power supply management unit, the power supply unit is composed of a ten thousand milliampere lithium battery and a 25W solar panel, the power supply management unit controls whether an output power source of the solar panel directly supplies power to the terminal or charges the lithium battery, and normal and stable power supply of the terminal is finally guaranteed; the power supply unit comprises a ten thousand milliampere lithium battery and a 25W solar panel; the power supply management unit is used for controlling the solar panel to output a supply object (whether an output power supply directly supplies power to the terminal or is used for charging the lithium battery, and the normal stability of the power supply of the terminal is finally guaranteed).
Further, in this embodiment, the information acquisition unit includes at most 16 information acquisition nodes (1-16 can be increased or decreased according to actual acquisition requirements), and the acquisition sequence and information transmission are controlled by the telemetry terminal through the ModBus protocol.
Further, in this embodiment, the apparatus further includes a clock unit; the clock unit is used for providing running clock guarantee for the controller.
Further, in this embodiment, the remote monitoring terminal further includes a storage unit, where the storage unit includes a ferroelectric memory and an SD card, and the ferroelectric memory stores system parameters and operating parameters of the remote monitoring terminal software system during operation, and an upgrade package for remote upgrade. The SD card stores flood prevention information processed by the controller, the information can be synchronously stored in the SD card when being transmitted by the Beidou communication unit, the information accords with a hydrological Sl651 protocol, and the flood prevention information collected by the telemetering terminal for at most one month can be stored.
Further, in this embodiment, still include the monitoring unit, the monitoring unit includes baroceptor and temperature and humidity sensor for acquire baroceptor and temperature and humidity environment around its hardware equipment when telemetering measurement terminal moves, guarantee telemetering measurement terminal can not cause the hardware to damage because of reasons such as soaking, overload work.
Furthermore, in this embodiment, the remote monitoring system further includes a bluetooth unit, the bluetooth unit communicates with the controller, and when an operation and maintenance person connects with the bluetooth unit of the remote monitoring terminal through an external device, the operation and maintenance person can obtain basic operation information of the remote monitoring terminal, and can also upgrade programs and configure operation parameters for the remote monitoring terminal through the link.
Further, in this embodiment, still include detachable support, equipment passes through detachable support and is connected with electric power facility flood prevention monitoring data sub-terminal.
In another embodiment of the application, a Beidou data transmission method for flood prevention of an electric power facility is provided, and the Beidou data transmission terminal for flood prevention of the electric power facility, which applies the embodiment, comprises a Beidou short message communication system application interface design, a Beidou short message communication system data processing fusion algorithm and a Beidou short message communication system antenna beam pointing algorithm;
the Beidou short message communication system application interface is designed and used for defining the structure and encryption and decryption modes of a data packet in the equipment data transmission process;
the Beidou short message communication system data processing fusion algorithm is used for guaranteeing error code retransmission and data backup in the data transmission process of equipment;
the Beidou short message communication system antenna beam pointing algorithm is used for realizing automatic search of communication signal intensity and optimization of system transmission stability during equipment deployment.
Further, in this embodiment, in the application interface design of the beidou short message communication system, the application interface of the communication system agrees with a uniform transmission information format, an information content format, and a command/response body information format, and is used for ensuring the reliability and the packet loss rate in the data point-to-point transmission process; the transmission information format comprises a frame structure, a checksum format, a longitude and latitude format and a time format; the information content format comprises an information content structure definition, an information header field definition and a command body field definition; the command/response body information format comprises an authorization mode and a parameter resetting mode.
Further, in this embodiment, the Beidou short message communication system data processing fusion algorithm utilizes two channels of Beidou short message receiving and receiving to compare the data receiving effect of the communication transmission link, and fuses the short message data characteristics, specifically including:
extracting data characteristics of different sources, sending data by monitoring equipment, normalizing, screening, filtering and combining the received data of the Beidou director and the received data of the Beidou ground station, and extracting characteristics of the data set;
data alignment, namely performing data alignment on the different source data to determine the consistency of the multi-source data, thereby avoiding the accuracy of data fusion or conflict processing;
data fusion processing, namely sequencing and merging the data according to sending time if the multi-source data is not aligned; for the data which completes the data alignment, two types of fusion processing are needed, under the condition that the characteristic values of the data are completely the same, the data of one source is only selected, and the multiple identical data are discarded; and comparing the homologous data of the last sending time and selecting the data with the minimum difference value under the condition that the characteristic values of the data are not completely consistent.
Further, in this embodiment, the compass short message communication system antenna beam pointing algorithm specifically includes:
calculating an antenna beam pointing angle pointing to the Beidou satellite according to the geographical position and the deployment attitude of the carrier; and selecting an optimal Beidou satellite according to the synthesized beam gain of the carrier antenna and the beam gain of the Beidou satellite at the geographic position, and pointing the antenna beam to the satellite.
It should be noted that the system provided in the foregoing embodiment is only illustrated by the division of the functional modules, and in practical applications, the above functions may be distributed by different functional modules as needed, that is, the internal structure is divided into different functional modules to complete all or part of the functions described above.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (10)

1. A Beidou data transmission terminal for flood prevention of electric power facilities is characterized by comprising a plurality of information acquisition units, a remote measurement terminal and a power supply unit;
the remote measuring terminal comprises a flood prevention information acquisition interface unit, a controller and a Beidou communication unit; the flood prevention information acquisition interface unit is electrically or communicatively connected with the information acquisition unit;
the controller is electrically or communicatively connected with the flood prevention information acquisition interface unit and is used for completing the transmission of data acquired by the terminal and controlling the format of the acquired flood prevention information;
the controller is electrically or communicatively connected with the Beidou communication unit and is used for transmitting the acquired and packaged flood prevention information to the Beidou transmission unit and controlling the Beidou transmission unit to transmit the transmitted message to the remote Beidou commander.
2. The Beidou data telemetry terminal for flood prevention of electric power facilities according to claim 1, further comprising a power supply management unit, wherein the power supply unit comprises a lithium battery and a solar panel; the power supply management unit is used for controlling the solar panel to output and supply objects.
3. The Beidou data remote measurement terminal for flood prevention of electric power facilities according to claim 1, wherein the information acquisition unit is controlled by the remote measurement terminal through a ModBus protocol to acquire the sequence and transmit the information.
4. The Beidou data telemetry terminal for flood prevention of electric power facilities according to claim 1, further comprising a storage unit, wherein the storage unit comprises a ferroelectric memory and an SD card, the ferroelectric memory is used for storing system parameters and operation parameters of a telemetry terminal software system during operation and an upgrade package for remote upgrade; the SD card stores flood prevention information processed by the controller, the information is also synchronously stored in the SD card when being transmitted by the Beidou communication unit, the information accords with a hydrological Sl651 protocol, and the flood prevention information collected by the telemetering terminal within one month is stored.
5. The Beidou data remote measurement terminal for flood prevention of electric power facilities according to claim 1 is characterized by further comprising a monitoring unit and a Bluetooth unit, wherein the monitoring unit comprises an air pressure sensor and a temperature and humidity sensor and is used for acquiring an air pressure environment and a temperature and humidity environment around hardware equipment of the remote measurement terminal when the remote measurement terminal operates and avoiding damage to the hardware of the remote measurement terminal, and the Bluetooth unit is communicated with a controller and is used for providing basic operation information of the remote measurement terminal when operation and maintenance personnel are connected with the Bluetooth unit of the remote measurement terminal through external equipment or configuring operation parameters for an upgrading program of the remote measurement terminal through the link.
6. The Beidou data transmission terminal for flood prevention of electric power facilities according to claim 1, further comprising a detachable support, and the equipment is connected with the flood prevention monitoring data sub-terminal of the electric power facilities through the detachable support.
7. A Beidou data transmission method for flood prevention of an electric power facility is characterized in that the Beidou data transmission terminal for flood prevention of the electric power facility, which is disclosed by any one of claims 1 to 6, is applied, and comprises a Beidou short message communication system application interface design, a Beidou short message communication system data processing fusion algorithm and a Beidou short message communication system antenna beam pointing algorithm;
the Beidou short message communication system application interface is designed and used for defining the structure and encryption and decryption modes of a data packet in the equipment data transmission process;
the Beidou short message communication system data processing fusion algorithm is used for guaranteeing error code retransmission and data backup in the data transmission process of equipment;
the Beidou short message communication system antenna beam pointing algorithm is used for realizing automatic searching of communication signal intensity and optimization of system transmission stability during equipment deployment.
8. The Beidou data transmission method for power facility flood prevention according to claim 7 is characterized in that the Beidou short message communication system application interface is designed, and the communication system application interface is agreed with a uniform transmission information format, an information content format and a command/response body information format and is used for guaranteeing reliability and packet loss rate in a data point-to-point transmission process; the transmission information format comprises a frame structure, a checksum format, a longitude and latitude format and a time format; the information content format comprises an information content structure definition, an information header field definition and a command body field definition; the command/response body information format comprises an authorization mode and a parameter resetting mode.
9. The Beidou data transmission method for power facility flood prevention according to claim 7, wherein the Beidou short message communication system data processing fusion algorithm utilizes two channels of Beidou short message receiving and receiving for communication transmission link data receiving effect comparison, and fuses short message data characteristics, and specifically comprises:
extracting data characteristics of different sources, sending data by monitoring equipment, normalizing, screening, filtering and combining the received data of the Beidou director and the received data of the Beidou ground station, and extracting characteristics of the data set;
data alignment, namely performing data alignment on the different source data to determine the consistency of the multi-source data, thereby avoiding the accuracy of data fusion or conflict processing;
data fusion processing, namely sequencing and merging the data according to sending time if the multi-source data is not subjected to data alignment; for the data which completes the data alignment, two types of fusion processing are needed, under the condition that the characteristic values of the data are completely the same, the data of one source is only selected, and the multiple identical data are discarded; and comparing the homologous data of the last sending time and selecting the data with the minimum difference value under the condition that the characteristic values of the data are not completely consistent.
10. The Beidou data transmission method for electric power facility flood prevention according to claim 7, wherein the Beidou short message communication system antenna beam pointing algorithm specifically comprises:
calculating an antenna beam pointing angle pointing to the Beidou satellite according to the geographical position and the deployment attitude of the carrier; and selecting an optimal Beidou satellite according to the synthesized beam gain of the carrier antenna and the Beidou satellite beam gain of the geographical position, and pointing the antenna beam to the satellite.
CN202211422721.2A 2022-11-15 2022-11-15 Beidou data transmission terminal and method for flood prevention of electric power facilities Pending CN115766898A (en)

Priority Applications (1)

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CN202211422721.2A CN115766898A (en) 2022-11-15 2022-11-15 Beidou data transmission terminal and method for flood prevention of electric power facilities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211422721.2A CN115766898A (en) 2022-11-15 2022-11-15 Beidou data transmission terminal and method for flood prevention of electric power facilities

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Publication Number Publication Date
CN115766898A true CN115766898A (en) 2023-03-07

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