CN109615841A - Beidou multi-user card data transmission device and transmission method applied to FTU - Google Patents
Beidou multi-user card data transmission device and transmission method applied to FTU Download PDFInfo
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- CN109615841A CN109615841A CN201811567907.0A CN201811567907A CN109615841A CN 109615841 A CN109615841 A CN 109615841A CN 201811567907 A CN201811567907 A CN 201811567907A CN 109615841 A CN109615841 A CN 109615841A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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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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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C2201/00—Transmission systems of control signals via wireless link
- G08C2201/40—Remote control systems using repeaters, converters, gateways
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture
-
- 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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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of Beidou multi-user card data transmission devices and transmission method applied to FTU.Using modularization and integrated design principle, a kind of Beidou multi-user card data transmission device applied to FTU includes core controller unit；Beidou RDSS module for Beidou satellite communication；For positioning the Beidou RNSS module of time service；For realizing the compass multi-card administrative unit of Beidou multi-user card transfer function, for providing Power Management Unit, Beidou RDSS+RNSS antenna element and the network communication unit communicated with FTU of power supply energy to modules.And it discloses a kind of FTU and carries out the method that more Beidou cards carry out data transmission using the transmitting device.The present invention can allow FTU in the case where general networks are connectionless, it is remotely controlled using the channel of Beidou satellite communication, remote signalling, the transmission of telemetry, it is transmitted simultaneously using the data that data transmission method disclosed by the invention is able to carry out higher-frequency degree, guarantees the real-time of FTU data transmission.
Description
Technical field
It is especially a kind of applied to FTU's the present invention relates to satellite navigation terminal technology and power matching network technical field
Beidou multi-user card data transmission device and transmission method.
Background technique
Satellite navigation system is quickly grown, and is played an important role in national security, economic construction and daily life, extensively
It is general to be applied to the fields such as military affairs, traffic, mapping, power transmission.By taking power transmission is applied as an example, widely used is single deck tape-recorder
Beidou device is communicated, has the characteristics that design is simple, at low cost, but it can only send a Beidou message for 1 minute, communication
Frequency is low, is not able to satisfy the high transmission request message of real-time.
In power distribution automation application, to remote control, telemetering, remote signaling function requirement of real-time with higher, Dan Bei
Bucket subscriber card communication device is difficult to realize the requirement of the relatively high real-time of power distribution automation application field.At present on the market not yet
The Beidou multi-user card transmitting device of optimization is made in the application for being directed to FTU and FTU is carried out data transmission using more Beidou cards
Method.
Summary of the invention
The purpose of the present invention is to provide a kind of applied to the Beidou multi-user card data transmission device of FTU and transmission side
Method can allow FTU in the case where general networks are connectionless, be remotely controlled using the channel of Beidou satellite communication, remote signalling, telemetering
The transmission of data, while being transmitted using the data that data transmission method disclosed by the invention is able to carry out higher-frequency degree, guarantee FTU
The real-time of data transmission.
To achieve the above object, the technical scheme is that a kind of Beidou multi-user card data applied to FTU are transmitted
Device, the Beidou RDSS mould for Beidou satellite communication being connect including core controller unit and with the core controller unit
Block, the Beidou RNSS module for positioning time service, the Beidou multi-user card management for realizing Beidou multi-user card transfer function
Unit, the Power Management Unit for providing power supply energy to modules, the communication unit communicated with FTU, the Beidou
RDSS module, Beidou RNSS module are additionally coupled to Beidou RDSS+RNSS antenna element.
In an embodiment of the present invention, the core controller unit connects Beidou RDSS module, north by UART interface
Struggle against RNSS module, communication unit.
In an embodiment of the present invention, the communication unit includes that the ethernet network connecting with core controller unit connects
Mouth converting unit, the RJ45 ethernet port being connect with ethernet network interface converting unit or RS232 interface.
In an embodiment of the present invention, the RJ45 ethernet port or RS232 interface are connect with outside FTU, realize core
Heart controller unit is communicated with FTU.
In an embodiment of the present invention, the Beidou multi-user card administrative unit supports 3 Zhangbei County bucket subscriber card to work together,
It is connect respectively with Beidou IC1, Beidou IC2, Beidou IC3, wherein Beidou IC1 and Beidou IC2 works independently in the remote control of FTU
Performance data transmission, Beidou IC3 work in the remote signalling and telemetry data transmission of FTU.
In an embodiment of the present invention, the Beidou RDSS+RNSS antenna element include Beidou RDSS dual-mode antenna and
Beidou RNSS antenna supports tetra- Beidou L-band, S-band and Beidou B1 and GPS L1 frequencies by stacked system Combination Design
Point is connected by the radio frequency line of low-loss MCX connector with Beidou RDSS module and Beidou RNSS module.
In an embodiment of the present invention, the Power Management Unit is powered using three-phase ac power supply, the power management
Unit includes input power protection circuit, AC-DC power supply unit and DC-DC power source unit, is exported by AC/DC power supply unit
12V power domain exports 5V power domain, 3.3V power domain to other modules as main power source system, then by DC-DC power source unit
Power supply.
The present invention also provides a kind of transmission methods based on device described above, which is characterized in that described to be applied to FTU
Beidou multi-user card data transmission device parsed, encapsulated, sent by receiving FTU data, and to data are received
Process specifically comprises the following steps:
The first step, the Beidou multi-user card data transmission device applied to FTU receive FTU data information, logarithm it is believed that
Breath is parsed according to IEC60870-5-104 specification, according to the type identification of 104 specifications:
Parse remote-control data type identification are as follows:<2D>: remote control standalone command；<2E>: remote control two point order；
Parse remote signalling data type identification:<01>: single-point remote signalling；<02>: target single-point remote signalling when band；<1E>: target when band
Single-point remote signalling；<03>: two point remote signalling<04>: target two point remote signalling when band；
Parse telemetry type:<09>: normalization measured value；<0D>: short floating-point number measured value；<15>: being described without quality
The normalization value of word；
Parsing is respectively put into remote-control data queue and remote signalling/telemetry queue after differentiating data；
Second step carries out data encapsulation on the basis of the first step, judges whether data length is greater than 78Byte, if being less than
Data are packetized into the data packet less than 78Bybe greater than 78Bybe, data are added in data by 78Bybe into transmit queue
Packet serial number, frame length identifier, this frame number, are ended up with CRC check；
Third step, distribution Beidou IC card resource and data are sent, using Beidou IC1 and Beidou IC2 as being independently allocated in remote control number
According to transmission, Beidou IC3 is for being remotely controlled/telemetry transmission；Before transmission, Beidou IC card information is read, and judge Beidou IC card
Frequency resource；If Beidou IC card is not detected, to FTU feedback error information；It such as detects Beidou IC card information, reads frequency letter
Breath, judges whether card resource is idle；Using Beidou IC card as main card information, core controller unit switches main card channel, makes
RDSS reads and saves main card information, and main card is for receiving main website feedback information；Under Beidou IC card idle state, remote-control data is first
It is sent by Beidou IC1, establishes connection with main website in the process, after subsequently receiving main website feedback information, continued through
IC2 sends data frame；Telemetry is sent by Beidou IC3.
Compared to the prior art, the invention has the following advantages: the present invention by FTU by RS232 serial ports or
RJ45 interface is connect with the present invention, is sent remote control, remote signalling and telemetry, device according to certain agreement and is received the laggard line number of data
Compass multi-card administrative unit is then enabled according to parsing, encapsulation, distribution Beidou IC1 and Beidou IC2 is for sending remote-control data, Beidou
IC3 is for sending other data.The present invention can be sent completely the transmission of 3 FTU data in 5s, set compared to single deck tape-recorder Beidou
Standby, 3 times of communication frequency raising, packet has demonstrate,proved the requirement of real-time of FTU data transmission.
Detailed description of the invention
Fig. 1 is internal functional architecture block diagram of the invention.
Fig. 2 is more card polling mechanisms that apparatus of the present invention use.
Fig. 3 is the method for more Beidou card data transmission proposed by the present invention.
Fig. 4 is FTU long message data encapsulation method.
Fig. 5 is FTU data transmission stream journey.
Fig. 6 is core controller unit and interface circuit.
Fig. 7 is Beidou RDSS and multi-user card administrative unit.
Fig. 8 is positioning and time service unit.
Fig. 9 is power circuit.
Specific embodiment
With reference to the accompanying drawing, technical solution of the present invention is specifically described.
The present invention provides a kind of Beidou multi-user card data transmission devices applied to FTU, including core controller list
Member and connect with the core controller unit for the Beidou RDSS module of Beidou satellite communication, the Beidou for positioning time service
RNSS module, for realizing the Beidou multi-user card administrative unit of Beidou multi-user card transfer function, for being mentioned to modules
Power Management Unit, the communication unit that communicates with FTU for power supply energy, the Beidou RDSS module, Beidou RNSS module are also
It is connected to Beidou RDSS+RNSS antenna element.
The present invention also provides a kind of transmission methods based on device described above, which is characterized in that described to be applied to FTU
Beidou multi-user card data transmission device parsed, encapsulated, sent by receiving FTU data, and to data are received
Process specifically comprises the following steps:
The first step, the Beidou multi-user card data transmission device applied to FTU receive FTU data information, logarithm it is believed that
Breath is parsed according to IEC60870-5-104 specification, according to the type identification of 104 specifications:
Parse remote-control data type identification are as follows:<2D>: remote control standalone command；<2E>: remote control two point order；
Parse remote signalling data type identification:<01>: single-point remote signalling；<02>: target single-point remote signalling when band；<1E>: target when band
Single-point remote signalling；<03>: two point remote signalling<04>: target two point remote signalling when band；
Parse telemetry type:<09>: normalization measured value；<0D>: short floating-point number measured value；<15>: being described without quality
The normalization value of word；
Parsing is respectively put into remote-control data queue and remote signalling/telemetry queue after differentiating data；
Second step carries out data encapsulation on the basis of the first step, judges whether data length is greater than 78Byte, if being less than
Data are packetized into the data packet less than 78Bybe greater than 78Bybe, data are added in data by 78Bybe into transmit queue
Packet serial number, frame length identifier, this frame number, are ended up with CRC check；
Third step, distribution Beidou IC card resource and data are sent, using Beidou IC1 and Beidou IC2 as being independently allocated in remote control number
According to transmission, Beidou IC3 is for being remotely controlled/telemetry transmission；Before transmission, Beidou IC card information is read, and judge Beidou IC card
Frequency resource；If Beidou IC card is not detected, to FTU feedback error information；It such as detects Beidou IC card information, reads frequency letter
Breath, judges whether card resource is idle；Using Beidou IC card as main card information, core controller unit switches main card channel, makes
RDSS reads and saves main card information, and main card is for receiving main website feedback information；Under Beidou IC card idle state, remote-control data is first
It is sent by Beidou IC1, establishes connection with main website in the process, after subsequently receiving main website feedback information, continued through
IC2 sends data frame；Telemetry is sent by Beidou IC3.
The following are specific implementation processes of the invention.
Theory of constitution figure of the invention is as shown in Figure 1.Apparatus of the present invention include core processor unit-whole device
Function is realized, data parsing, blocks the functions such as management, serial communication more；Beidou RDSS unit-is logical for carrying out Big Dipper short message
The core component of letter can be 5W 10W Beidou RDSS module；Beidou RNSS unit-positioning for device and time service, mention
For location information and reference time information, the time accuracy with FTU data communication is kept；Beidou multi-user card administrative unit-
The poll management of more Beidou IC and handover management；Interface unit-turns Ethernet or RS232 by serial ports and connect with FTU；Electricity
Power supply energy needed for source unit-offer present invention work.
In embodiment, the core controller uses 32 low power processors, has 3 or more serial port resources, leads to
Cross UART serial ports connection Beidou RDSS unit, Beidou RNSS unit and interface unit.
In embodiment, as shown in Fig. 2, compass multi-card administrative unit includes Beidou subscriber card switching circuit, Beidou IC card wheel
Ask control circuit and Beidou IC card driving circuit.Beidou IC1, Beidou IC2, Beidou IC3 clock signal clk directly and Beidou
The IC_clk of RDSS module is connected, and Beidou IC1, Beidou IC2, the reset signal Rst of Beidou IC3 and data-signal Data pass through total
It is connected after line decoder switch with the IC_rst and IC_data of Beidou RDSS module.Core controller passes through control decoder 2
Card is cut in the selection of bit address position, and corresponding relationship is address bit S1S0, and S1S0=00 switches to Beidou IC card 1, and S1S0=01 switches to Beidou
IC card 2, S1S0=10 switch to Beidou IC card 3.
Apparatus of the present invention are inserted into 3 Zhangbei County bucket subscriber card and are worked together, and number is Beidou IC1, Beidou IC2, Beidou IC3.Its
Middle Beidou IC1 and Beidou IC2 the distant control function data in FTU that work independently are transmitted, and Beidou IC3 works in the remote signalling of FTU and distant
Measured data transmission.Specifically includes the following steps:
(1) connection setup: transmitting terminal (FTU), which is sent, needs the data transmitted to apparatus of the present invention, data protocol DL/
T634.5104-2009.After apparatus of the present invention termination receives data, by being parsed to data according to IEC60870-5-104 specification,
Split data into remote-control data and other data (including remote signalling, telemetering and other data).For be more than 78Bybe data into
Row long message subpackage processing encapsulation, as shown in figure 4, encapsulation of data includes: type of message mark, number of data packets identify, are current
Data packet locations mark, FTU valid data and CRC check tail.
(2) Beidou card resource allocation: data type based on the received is used for Beidou IC1 and Beidou IC2 resource to be remotely controlled number
According to transmission, Beidou IC3 be used for other data transmission.
(3) Beidou IC card frequency identifies: remote-control data needs are reliably connected with main website, in the data that need to transmit two frames
Hold, therefore transmission primaries remote-control data, needs to send message twice using Beidou channel.Transmission to be connect with main website for the first time
Data, second is receives the data sent again after feedback.Beidou IC1 and Beidou IC2 is independently allocated to remote-control data hair
It send, before sending remote-control data, the present invention can identify the frequency information of Beidou IC1 and Beidou IC2: if two card resources are idle,
Selection IC1 first sends the first frame data, sends the second frame data followed by IC2.If the frequency resource of only one card is idle,
Then remote-control data is sent using that idle card.Remote signalling and telemetry are able to satisfy transmission as long as a Zhangbei County struggles against IC card resource
Frequency and message length requirement.
(4) data are received: using Beidou IC1 as the reception main card of device, the feedback sended over for receiving main website
Data.
In embodiment, Beidou RDSS+RNSS antenna be Rogers's plate Beidou communication antenna, size 68mm ×
68mm supports tetra- Beidou L-band, S-band and Beidou B1 and GPS L1 frequency points, is penetrated by the RG178 of low-loss MCX connector
Frequency line is connected with Beidou generation active communication functional module and Beidou II passive location functional module.
In embodiment, power circuit unit includes AC/DC power supply all the way, exports the supply voltage of direct current 12V, two-way DC-
DC power supply exports 5V power domain and 3.3V power domain.
In embodiment, as shown in figure 3, the present invention carries out FTU data transmission method are as follows: 1. receive FTU data-and receive
FTU is carried out the parsing of data and is Resealed with the data information of certain protocol encapsulation, distinguishes remote-control data and other data.
2. Beidou IC card frequency resource allocation, whether the frequency for detecting Beidou IC1 and Beidou IC2 is idle, selects idle IC card to send distant
Data are controlled, the message transmissions carried out twice use two IC card resources.Other data are transmitted using Beidou IC3.3. receiving
Remote-control data transmission is fed back: being to be set as 00, and Beidou IC1 characteristic value is recorded and is led as reception for address after transmission data
Card, for receiving the feedback information of main website.
In embodiment, core control circuit and interface circuit are as shown in fig. 6, core processor is handled using 32 low-power consumption
Device positions time service unit with Beidou RDSS module and Beidou by UART interface and is connected, passes through UART serial ports and network interface module
It is connected with RS232 circuit unit, passes through control relay switching selection data channel.FTU by RJ45 Ethernet network interface or
RS232 interface is connect with the transmitting device.
In embodiment, compass multi-card administrative unit as shown in fig. 7, which includes Beidou subscriber card driving circuit, SIM1 ~
SIM3 represents 3 Zhangbei County bucket subscriber card.The switching of Beidou card and polling system circuit are mainly by CD4067 analog switch and core control
Device cooperating processed realizes the switching of Beidou subscriber card, cuts card channel by the control of S1S0 address bit, and the polling mechanism blocked is logical
The base band for crossing Beidou RDSS cooperates completion jointly.Electrically, the clock signal of Beidou RDSS communication module and Beidou card and answer
Position signal is direct-connected as shown in fig. 6, then the data port IO of RDSS baseband chip selects the data of 3 gating switch and 3 cards by 1
IO is connected.Synchronization RDSS module can only read Zhangbei County bucket subscriber card at work, control simulation choosing by core controller
The address bit of pass is opened up to select switching selection Beidou subscriber card, to realize the working mechanism of poll, the wherein main card of device
For SIM1, that is, Beidou IC1.
In embodiment, Beidou generation active module embedded therein minimizes RDSS module using 5W, as shown in figure 8, positioning time service unit passes through
Beidou RNSS module is realized.RNSS module positioning output NMEA0183 data protocol, processor are extracted by the parsing to data
Location information and temporal information, the time synchronization for equipment.
In embodiment, the power circuit of the transmitting device is as shown in Figure 9.In this embodiment, power circuit includes AC
Turn DC(exchange and turn DC transfer circuit) module and DC-DC circuit (DC to DC translation circuit).The friendship of the wide pressure of external input
It flows operating voltage (100 ~ 385V), the direct current signal of output 12V@1.7A is converted by AC/DC module, the direct current signal of 12V is logical
Cross two-way Buck DC-DC output maximum 5.2V@3A and 3.6V@500mA power supply.Subsequent 3.6V power supply passes through LDO(low voltage difference line
Property voltage-stablizer) output 3.3V power supply.Wherein, 5.2V and 3.6V powers to Beidou generation active communication module and interface circuit,
3.3V is to core processor unit, ethernet module, Beidou II passive location module, Beidou multi-user card administrative unit circuit
Power supply.
The above embodiments only express the preferred embodiment of the present invention, it is noted that for the general of the art
For logical technical staff, without departing from the technical principles of the invention, several deformations can also be made, improves and replaces,
These deformations, improvement and replacement should be regarded as protection scope of the present invention.Therefore, the scope of protection of the patent of the present invention should be with appended power
Subject to sharp claim.
Claims (8)
1. a kind of Beidou multi-user card data transmission device applied to FTU, which is characterized in that including core controller unit and
The Beidou RDSS module for Beidou satellite communication that is connect with the core controller unit, the Beidou RNSS for positioning time service
Module, for realizing Beidou multi-user card transfer function Beidou multi-user card administrative unit, for give modules provide confession
The Power Management Unit of electric energy, the communication unit communicated with FTU, the Beidou RDSS module, Beidou RNSS module are also connected with
To Beidou RDSS+RNSS antenna element.
2. the Beidou multi-user card data transmission device according to claim 1 applied to FTU, which is characterized in that described
Core controller unit connects Beidou RDSS module, Beidou RNSS module, communication unit by UART interface.
3. the Beidou multi-user card data transmission device according to claim 1 or 2 applied to FTU, which is characterized in that institute
Stating communication unit includes that the ethernet network interface converting unit connecting with core controller unit and ethernet network interface turn
Change the RJ45 ethernet port or RS232 interface of unit connection.
4. the Beidou multi-user card data transmission device according to claim 3 applied to FTU, which is characterized in that described
RJ45 ethernet port or RS232 interface are connect with outside FTU, realize that core controller unit is communicated with FTU.
5. the Beidou multi-user card data transmission device according to claim 1 applied to FTU, which is characterized in that described
Beidou multi-user card administrative unit support 3 Zhangbei County bucket subscriber card work together, i.e., respectively with Beidou IC1, Beidou IC2, Beidou IC3
Connection, wherein Beidou IC1 and Beidou IC2 works independently in the distant control function data transmission of FTU, and Beidou IC3 works in FTU's
Remote signalling and telemetry data transmission.
6. the Beidou multi-user card data transmission device according to claim 1 applied to FTU, which is characterized in that described
Beidou RDSS+RNSS antenna element include Beidou RDSS dual-mode antenna and Beidou RNSS antenna, set by stacked system combination
Meter supports tetra- Beidou L-band, S-band and Beidou B1 and GPS L1 frequency points, by the radio frequency line of low-loss MCX connector with
Beidou RDSS module is connected with Beidou RNSS module.
7. the Beidou multi-user card data transmission device according to claim 1 applied to FTU, which is characterized in that described
Power Management Unit is powered using three-phase ac power supply, and the Power Management Unit includes input power protection circuit, AC-DC electricity
Source unit and DC-DC power source unit export 12V power domain as main power source system by AC/DC power supply unit, then pass through DC-
DC power supply unit exports 5V power domain, 3.3V power domain to other module for power supply.
8. a kind of transmission method based on any described device of claim 1 to 7, which is characterized in that the north applied to FTU
Multi-user card data transmission device struggle against by receiving FTU data, and to the process for receiving data and being parsed, encapsulated, being sent,
Specifically comprise the following steps:
The first step, the Beidou multi-user card data transmission device applied to FTU receive FTU data information, logarithm it is believed that
Breath is parsed according to IEC60870-5-104 specification, according to the type identification of 104 specifications:
Parse remote-control data type identification are as follows:<2D>: remote control standalone command；<2E>: remote control two point order；
Parse remote signalling data type identification:<01>: single-point remote signalling；<02>: target single-point remote signalling when band；<1E>: target when band
Single-point remote signalling；<03>: two point remote signalling<04>: target two point remote signalling when band；
Parse telemetry type:<09>: normalization measured value；<0D>: short floating-point number measured value；<15>: being described without quality
The normalization value of word；
Parsing is respectively put into remote-control data queue and remote signalling/telemetry queue after differentiating data；
Second step carries out data encapsulation on the basis of the first step, judges whether data length is greater than 78Byte, if being less than
Data are packetized into the data packet less than 78Bybe greater than 78Bybe, data are added in data by 78Bybe into transmit queue
Packet serial number, frame length identifier, this frame number, are ended up with CRC check；
Third step, distribution Beidou IC card resource and data are sent, using Beidou IC1 and Beidou IC2 as being independently allocated in remote control number
According to transmission, Beidou IC3 is for being remotely controlled/telemetry transmission；Before transmission, Beidou IC card information is read, and judge Beidou IC card
Frequency resource；If Beidou IC card is not detected, to FTU feedback error information；It such as detects Beidou IC card information, reads frequency letter
Breath, judges whether card resource is idle；Using Beidou IC card as main card information, core controller unit switches main card channel, makes
RDSS reads and saves main card information, and main card is for receiving main website feedback information；Under Beidou IC card idle state, remote-control data is first
It is sent by Beidou IC1, establishes connection with main website in the process, after subsequently receiving main website feedback information, continued through
IC2 sends data frame；Telemetry is sent by Beidou IC3.
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| CN111585827A (en) * | 2020-06-03 | 2020-08-25 | 贵州电网有限责任公司 | Power data transmission method and device, terminal equipment and storage medium |
| CN111641266A (en) * | 2020-06-03 | 2020-09-08 | 贵州电网有限责任公司 | Data processing method, RDSS communication terminal and storage medium |
| CN111653080A (en) * | 2020-06-03 | 2020-09-11 | 贵州电网有限责任公司 | Data transmission method and device based on data line connection and communication terminal |
| CN111654322A (en) * | 2020-06-03 | 2020-09-11 | 贵州电网有限责任公司 | Electric power data transmission method and device based on parallel processing and storage medium |
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| CN110826667B (en) * | 2019-11-05 | 2023-03-14 | 深圳市远东华强导航定位有限公司 | Beidou RD smart card remote card reading method |
| CN113078933A (en) * | 2020-01-03 | 2021-07-06 | 内蒙古龙图电气有限公司 | Networking type terminal controller and system based on Beidou satellite communication |
| CN111585827A (en) * | 2020-06-03 | 2020-08-25 | 贵州电网有限责任公司 | Power data transmission method and device, terminal equipment and storage medium |
| CN111641266A (en) * | 2020-06-03 | 2020-09-08 | 贵州电网有限责任公司 | Data processing method, RDSS communication terminal and storage medium |
| CN111653080A (en) * | 2020-06-03 | 2020-09-11 | 贵州电网有限责任公司 | Data transmission method and device based on data line connection and communication terminal |
| CN111654322A (en) * | 2020-06-03 | 2020-09-11 | 贵州电网有限责任公司 | Electric power data transmission method and device based on parallel processing and storage medium |
| CN111667680A (en) * | 2020-06-03 | 2020-09-15 | 贵州电网有限责任公司 | Data transmission method, RDSS communication terminal and storage medium |
| CN111667679A (en) * | 2020-06-03 | 2020-09-15 | 贵州电网有限责任公司 | Data transmission method and device, terminal equipment and storage medium |
| CN112713928A (en) * | 2021-01-25 | 2021-04-27 | 陕西省地方电力(集团)有限公司商洛供电分公司 | Distribution network automation system based on Beidou communication |
| CN113301517A (en) * | 2021-05-14 | 2021-08-24 | 北京天海达科技有限公司 | Terminal capable of simultaneously supporting Beidou No. two and Beidou No. three short messages |
| CN113301517B (en) * | 2021-05-14 | 2022-05-06 | 北京天海达科技有限公司 | Terminal capable of simultaneously supporting Beidou No. two and Beidou No. three short messages |
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Application publication date: 20190412 |