CN207926564U - A kind of general-purpose type locomotive station based on two-band combined communication standard - Google Patents
A kind of general-purpose type locomotive station based on two-band combined communication standard Download PDFInfo
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Abstract
The utility model provides a kind of general-purpose type locomotive station based on two-band combined communication standard, and antenna feeder unit is connect with 450MHz digital communication units, 400KHz digital communication units and satellite reception unit respectively in the general-purpose type locomotive station；450MHz digital communication units, 400KHz digital communication units and satellite reception unit are connect with main control unit；Main control unit is connect with GIS database unit, recording unit, interface unit and operating terminal respectively；Operating terminal is connect with print unit.The general-purpose type locomotive station of the utility model uses the two-band combined communication standard of 450MHz frequency ranges and 400KH frequency ranges, improves the Efficient Coverage Rate of communication；Based on intelligent GIS system application technology, the communication requirement of the adaptive different circuit different working modes of general-purpose type locomotive station is realized.
Description
Technical Field
The utility model relates to the field of communication technology, specifically speaking relates to a general formula locomotive radio station based on dual-band combination communication standard.
Background
At present, a plurality of lines of railways in China are distributed in mountainous areas and hilly lands and are influenced by terrains, a traditional 450MHz wireless communication system effectively covers the whole-line communication, a large amount of relay equipment and leakage cables are needed, the equipment cost is high, the problems of site selection, power supply, maintenance and the like of installation sites of the relay equipment are solved, and a perfect solution is difficult to obtain in complex environments such as some mountainous areas, hills and the like.
Along with the increasingly fast railway running speed and the increasingly large railway locomotive traffic volume in China, the requirements on wireless train dispatching communication are increasingly high, the requirements on communication coverage rate and reliability are increasingly high, and the digital modification of a railway wireless train dispatching communication system is imperative.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide a general locomotive radio station based on dual-band combined communication system to overcome the defects in the prior art.
In order to achieve the above object, the present invention provides a universal locomotive radio station based on a dual-band combined communication system, the universal locomotive radio station includes a host and an operation terminal; the host comprises a 450MHz digital communication unit, a 400KHz digital communication unit, a satellite receiving unit, a main control unit, a GIS database unit, a recording unit, an interface unit and a power supply unit; the antenna feeder unit is respectively connected with the 450MHz digital communication unit, the 400KHz digital communication unit and the satellite receiving unit; the 450MHz digital communication unit, the 400KHz digital communication unit and the satellite receiving unit are connected with the main control unit; the main control unit is respectively connected with the GIS database unit, the recording unit, the interface unit and the operation terminal; the operation terminal is connected to the printing unit.
As a further explanation of the general locomotive radio station of the present invention, preferably, the operation terminal includes a first CPU, and the first CPU is connected to the USB interface, the RS232 interface, the first RS422 interface, the first CAN interface, the DSP chip, and the GPIO interface, respectively; the USB interface is connected with the computer and is used for realizing the high-speed data downloading function of the computer; the RS232 interface is connected with the console and is used for realizing the function of the Linux console; the first RS422 interface is connected with a printer and is used for realizing the printing function of pictures and texts; the first CAN interface is connected with the host and used for realizing the interaction of voice and data information with the host; the DSP chip is connected with the loudspeaker and the microphone through an IIS interface and is used for realizing the functions of microphone voice coding and loudspeaker voice decoding; and the GPIO interface is used for realizing the control functions of a voice channel, key backlight and liquid crystal backlight and realizing the 8 x 8 key scanning function.
As a further explanation of the general locomotive radio according to the present invention, it is preferable that the first CPU is constructed by an arm port-A8 kernel microprocessor, and the operation terminal has a RAM of 512M bytes, a FLASH of 1G bytes, and a TFT liquid crystal display of 320 × 240.
As right the further explanation of general formula locomotive radio station, preferably, 450MHz digital communication unit adopts the compatible digital channel machine of 450MHz digifax and adopts B, C standard communication, and 400KHz digital communication unit adopts the 400KHz digital channel machine and adopts the induction system communication, the compatible digital channel machine of 450MHz digifax and 400KHz digital channel machine pass through the UART interface and are connected with the main control unit for realize with the digital communication of the pronunciation of main control unit, signaling, FFSK data.
As right the further explanation of general formula locomotive radio station, preferably, the satellite receiving unit passes through the UART interface and is connected with the main control unit to make the satellite receiving unit export satellite positioning information to the main control unit, the main control unit exports satellite positioning information to operation terminal, recording element and intelligent GIS database unit.
As right the general locomotive radio station of the utility model further explain, preferably, the GIS database unit passes through the CAN interface and is connected with the main control unit for realize the data communication of main control unit and GIS database unit.
As to the further explanation of the general locomotive radio station of the present invention, preferably, the recording unit is connected to the main control unit through a CAN interface for realizing data communication between the main control unit and the recording unit.
As a further explanation of the universal locomotive radio station of the present invention, preferably, the interface unit includes a 450MHz antenna interface, a 400KHz antenna interface, a satellite antenna interface, a host USB interface, a second RS422 interface, and a second CAN interface; the system comprises a 450MHz digital communication unit, a 400KHz digital communication unit, a satellite receiving unit and a satellite antenna, wherein the 450MHz digital communication unit is connected with a 450MHz antenna through a 450MHz antenna interface, the 400KHz digital communication unit is connected with a 400MHz antenna through a 400KHz antenna interface, and the satellite receiving unit is connected with the satellite antenna through a satellite antenna interface; the host USB interface is connected with the main control unit through a UART interface and is connected with the computer and used for realizing computer data downloading; the second RS422 interface is connected with the main control unit through a UART interface, and the second RS422 interface is connected with the train number encoder and used for sending the train number information; the second CAN interface is connected with the operation terminal.
As a further description of the universal locomotive radio station according to the present invention, preferably, the power supply unit includes a DC power supply DC 110V-DC13.8V power module and a DC12V battery, the DC power supply DC 110V-DC13.8V power module is connected to the external input power source, and when the external input power source stops supplying power, the DC12V battery provides power.
The utility model adopts a dual-band combined communication system of 450MHz frequency band and 400KH frequency band, which improves the effective coverage rate of communication; based on the application technology of the intelligent GIS system, the universal locomotive radio station can be self-adapted to the communication requirements of different lines and different working modes.
Drawings
FIG. 1 is a general architecture diagram of a universal locomotive radio station according to the present invention;
fig. 2 is a schematic block diagram of an operation terminal of a general locomotive radio station according to the present invention;
fig. 3 is a schematic block diagram of a host of a general locomotive radio station according to the present invention.
Detailed Description
In order to further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention.
As shown in fig. 1, fig. 1 is a general architecture diagram of a universal locomotive radio station according to the present invention; the general locomotive radio station comprises a host and an operation terminal 1; the host comprises a 450MHz digital communication unit 2, a 400KHz digital communication unit 3, a satellite receiving unit 4, a main control unit 5, a GIS database unit 6, a recording unit 7, an interface unit 8 and a power supply unit 9; wherein, the antenna feeder unit 10 is respectively connected with the 450MHz digital communication unit 2, the 400KHz digital communication unit 3 and the satellite receiving unit 4; the 450MHz digital communication unit 2, the 400KHz digital communication unit 3 and the satellite receiving unit 4 are connected with the main control unit 5; the main control unit 5 is respectively connected with the GIS database unit 6, the recording unit 7, the interface unit 8 and the operation terminal 1; the operation terminal 1 is connected to the printing unit 11.
Referring to fig. 2, fig. 2 is a schematic block diagram of an operation terminal of a general locomotive radio station according to the present invention; the operation terminal 1 comprises a first CPU101, wherein the first CPU101 is respectively connected with a USB interface 102, an RS232 interface 103, a first RS422 interface 104, a first CAN interface 105, a DSP chip 106 and a GPIO interface 107; the USB interface 102 is connected with a computer and is used for realizing the high-speed data downloading function of the computer; the RS232 interface 103 is connected with the console and used for realizing the functions of the Linux console; the first RS422 interface 104 is connected with a printer and is used for realizing the printing function of pictures and texts; the first CAN interface 105 is connected with the host and used for realizing information interaction such as voice and data with the host; the DSP chip 106 is connected with the loudspeaker and the microphone through an IIS interface, adopts a DSP voice digital coding and decoding technology and is used for realizing the functions of microphone voice coding and loudspeaker voice decoding; and the GPIO interface 107 is used to implement control functions such as a voice channel, key backlight, liquid crystal backlight, and the like, and to implement an 8 × 8 key scanning function.
The first CPU101 is constructed by an ARM Cortex-A8 kernel microprocessor, a Linux operating system is implemented on the hardware platform, and the operation terminal 1 has a RAM108 of 512 mbytes, a FLASH109 of 1 gbyte, and a TFT liquid crystal display 110 of 320 × 240.
Referring to fig. 3, fig. 3 is a schematic block diagram of a host of a general locomotive radio station according to the present invention; the interface unit 8 comprises a 450MHz antenna interface, a 400KHz antenna interface, a satellite antenna interface, a host USB interface 801, a second RS422 interface 802 and a second CAN interface 803; the 450MHz digital communication unit 2 is connected with a 450MHz antenna through a 450MHz antenna interface, the 400KHz digital communication unit 3 is connected with a 400MHz antenna through a 400KHz antenna interface, and the satellite receiving unit 4 is connected with a satellite antenna through a satellite antenna interface; the host USB interface 801 is connected with the main control unit 5 through a UART interface, and the host USB interface 801 is connected with a computer and used for realizing computer data downloading; the second RS422 interface 802 is connected with the main control unit 5 through a UART interface, and the second RS422 interface 802 is connected with the train number encoder, so as to implement a function of receiving the train number information periodically sent by the train number encoder; the second CAN interface 803 is connected to the operation terminal 1 and the main control unit 5, and is used for realizing communication of data information such as voice and digital information of the operation terminal; the GIS database unit 6 is connected with the main control unit 5 through a CAN interface and is used for realizing the communication of the data information of the GIS database unit; the recording unit 7 is connected with the main control unit 5 through a CAN interface, and is used for realizing data communication between the main control unit 5 and the recording unit 7. The main control unit 5 and the power supply unit 9 adopt an AD sampling technology to realize the function of monitoring the power supply voltage and the working current of the whole machine in real time.
Master control unit
The main control unit 5 is constructed based on an ARM Cortex-M3 kernel microprocessor, the microprocessor adopts a Harvard structure, has independent instruction buses and data buses, has a running main frequency up to 200MHz, integrates various functions of a CAN bus controller, an IIC controller, a UART controller, a USB controller, a timer and the like, has a large-capacity on-chip FLASH, realizes the performance of the microprocessor with high efficiency and low power consumption, and is particularly suitable for embedded application scenes requiring high performance, low cost and low power consumption.
The main control unit is a central hub of the locomotive radio station, is responsible for connecting all the constituent units of the equipment and communicates with all the constituent units according to a specified interface protocol; analyzing and processing voice and data information transmitted by a communication link, and storing and forwarding the voice and data information according to a set function; responding to an operation command of the operation terminal, and the like.
450MHz digital communication unit and 400KHz digital communication unit
The 450MHz digital communication unit 2 adopts a 450MHz digital-analog compatible digital channel machine and adopts B, C standard communication, the 400KHz digital communication unit 3 adopts a 400KHz digital channel machine and adopts induction standard communication, the 450MHz digital-analog compatible digital channel machine and the 400KHz digital channel machine are connected with the main control unit 5 through UART interfaces, and are used for realizing the functions of receiving and sending digital information such as call request digital signaling, subaudio call signaling, conversation voice, train tail FFSK data, scheduling commands and the like, and realizing the function of wirelessly forwarding train number data information.
A450 MHz digital-analog compatible digital channel machine adopts a TDMA digital wireless communication technology, supports 2 parallel logic channels on a 25KHz carrier, improves the utilization rate of frequency spectrum and improves the communication efficiency. The digital-analog compatible communication mode realizes the smooth transition from analog communication to digital communication of the general locomotive radio station. The channel selection control channel machine works in a digital working mode or an analog working mode by adopting a digital channel and an analog channel mode.
The CPU software data processing technology is adopted in the 400KHz digital channel machine to realize the digital modulation and demodulation of subaudio frequency and FFSK data. Based on FPGA data processing technology, the digital modulation and demodulation of 400KHz radio frequency signals are realized.
Satellite receiving unit
The satellite receiving unit 4 is connected to the main control unit 5 through a UART interface so that the satellite receiving unit 4 outputs satellite positioning information to the main control unit 5, and the main control unit 5 outputs the satellite positioning information to the operation terminal 1, the recording unit 7, and the intelligent GIS database unit 6. The satellite information receiving unit can compatibly receive the geographic position information and the standard clock information of the Beidou satellite and the GPS satellite, and the satellite selection is carried out in a Beidou-first mode and GPS-assisted mode.
Recording unit
The recording unit is provided with a clock correction module, the clock correction module automatically corrects the clock according to the satellite positioning information output by the satellite positioning unit, and the correction error is not more than 5 s. The recording unit clock may also be corrected manually. The recording unit is mainly used for storing voice call records, driving log records, scheduling command information, train number information, train tail data information and the like. The user can read the content of the recording unit by using the USB interface of the recording unit and adopting special computer software, and the functions of playing, deleting, storing, printing and the like are carried out. The universal locomotive radio station reserves a voice time recorder interface, can be externally connected with recording equipment, and realizes a voice recording function.
GIS database unit
The GIS database unit is used for storing main information of each railway line, including line names, section names, geographic position data, uplink, downlink, working modes, stations along the line, phone numbers of dispatching contacts and other related information and various driver operation prompt information.
The GIS database unit adopts computer database maintenance software, and can download railway operation data information through a USB interface; and the railway operation data information can be requested to be downloaded to the dispatching center in a wireless communication mode.
The GIS database unit has the function of automatically learning and updating the database, and can request the dispatching center to download railway operation data of a corresponding section when the locomotive runs to a new dispatching section, so as to update the GIS database data; the method can also automatically generate railway running data of corresponding sections and determine the current position and running state of the locomotive according to the satellite positioning information, train number information and locomotive driver operation, when the train is started, the train is automatically identified to be in an uplink or downlink line to the main control unit, after the main control unit carries out corresponding data processing, the prompt information is sent to the operation terminal, the operation terminal displays the prompt information and sends out corresponding voice prompt to remind the driver to carry out corresponding operation, the station section information where the train is located is automatically identified, the automatic mode switching function of the locomotive running to different sections is realized, and the voice prompt function of the driver operation is realized.
The utility model discloses a general formula locomotive radio station is based on intelligent GIS system application technique, realize the communication demand of the different working mode of different circuits of general formula locomotive radio station self-adaptation, information is updated in the GIS database according to train operation orbit is automatic, and at specific time, the operation should be done to the driver in specific position carries out corresponding voice prompt, greatly reduce the maintenance work of general formula locomotive radio station railway operation database, increase the reliability of general formula locomotive radio station work, improve the security of railway transportation.
Interface unit
Based on the USB interface, the software upgrading function of each unit is realized, the parameter query and setting of the host are realized, the operations of reading, deleting and the like of the data of the recording unit are realized, and the operations of writing, reading, deleting, modifying and the like of the GIS database are realized. The host parameters comprise 450MHz digital radio station transmitting power and receiving threshold, 400KHz digital radio station transmitting power and receiving threshold, antenna standing wave ratio, working mode, communication frequency group, local ID, phone book contact list, system time and the like. Based on the RS422 interface, the main control unit acquires a frame of train number information every 200ms, sends the frame of train number information to the train number ground receiving equipment through a 450MHz digital channel machine and a 400KHz digital channel machine, and sends the train number information to a GIS database.
Power supply unit
The power supply unit 9 comprises a direct current power supply DC 110V-DC13.8V power supply module and a DC12V battery, and provides stable and reliable working voltage for each unit of the host. The direct current power supply DC 110V-DC13.8V power supply module is connected with an external input power supply, and when the external input power supply stops supplying power, the DC12V battery supplies power supply. The power supply unit can provide power supply for the general locomotive radio station for not less than 2 hours after external direct current power supply is cut off. When the power supply unit supplies power to the universal locomotive radio station, the universal locomotive radio station main control board battery over-discharge protection circuit can realize the over-discharge protection function of the battery.
The utility model discloses a general formula locomotive radio station adopts 400KHz induction system communication and the compatible B, C system communication component's of 450MHz digifax wireless row of transferring digital mobile cluster communication system. The 450MHz B communication mode realizes different-frequency duplex communication, and the C communication mode realizes different-frequency simplex or same-frequency simplex communication, thereby being compatible with the requirements of various communication modes of different lines of the existing railway. The working mode switching has two modes of automatic switching and manual switching. The user can compare the received satellite positioning information with the GIS database data to realize the function of automatically switching the working mode. When the satellite positioning function fails or a user forcibly enters a manual switching mode, the manual switching working mode function is realized by operating the operation terminal through keys. The universal locomotive radio station supports the function of memorizing the working mode, namely the working mode memorized before the shutdown after the equipment is started.
The utility model discloses a general formula locomotive radio station is under digital communication state, and the system adopts the mode of the unified serial number of whole net, realizes user identification and authority management in the net, realizes wired, radio communication between the wireless train dispatching communication equipment based on the number. Under the digital communication mode of the general locomotive radio station, the functions of individual calling, group calling, broadcasting, emergency calling, multi-party communication and the like based on numbers are supported. Under the simulation working mode, the general locomotive radio station adopts the subaudio frequency as the mode of calling signaling, realizes the equipment type recognition function of communication equipment.
Voice communication function
When the general locomotive radio station works in a digital mode, wireless voice digital information received by a 450MHz digital channel machine and a 400KHz digital channel machine is transmitted to an operation terminal through a main control unit, and a digital signal is converted into an analog voice signal by DSP voice signal processing of the operation terminal and is transmitted to a loudspeaker for playing; and the other path is sent to a recording unit for recording and storing. The voice signal of the microphone of the operation terminal is processed by the DSP voice signal to convert the analog voice signal into a digital voice signal and send the digital voice signal to the host, the main control unit of the host sends one path of the voice signal to a 450MHz digital channel machine and a 400KHz digital channel machine for wireless sending, and the other path of the voice signal is sent to the recording unit for recording and storing. The general locomotive radio station adopts the DSP voice processing technology, and effectively solves the problem of environmental noise suppression.
When the universal locomotive radio station works in an analog mode, a 450MHz digital-analog compatible digital channel machine receives analog wireless voice signals, and one path of the analog wireless voice signals is transmitted to an operation terminal loudspeaker for playing through an audio channel of a main control unit; and the other path is sent to a recording unit for recording and storing. The voice signal received by the 400KHz digital channel machine is processed by the DSP voice signal, then the digital signal is converted into an analog signal, and one path of the analog signal is sent to the operation terminal loudspeaker for playing through the main control unit audio channel; and the other path is sent to a recording unit for recording and storing. The voice signal of the microphone of the operation terminal is sent to the host, the main control unit of the host controls the voice channel, and one path of the voice signal is sent to a 450MHz digital-analog compatible digital channel machine for wireless transmission; one path is sent to a 400KHz digital channel machine for DSP voice digital processing and then is sent wirelessly; and one path is sent to a recording unit for recording and storing.
Digital communication function
Under a digital working mode, data signals wirelessly received by a 450MHz digital channel machine and a 400KHz digital channel machine are sent to a main control unit, and one path of the main control unit is sent to an operation terminal for corresponding display and acousto-optic prompt; one path is sent to the recording unit for storage, and the other path is sent to the GIS database for scheduling command identification. Digital information to be sent by the operation terminal and train number information received by the encoder interface are sent to a main control unit CPU for data processing, one path of the digital information is sent to a 450MHz digital channel machine and a 400KHz digital channel machine for wireless sending, and the other path of the digital information is sent to a recording unit for storage.
Under the analog working mode, FFSK data signals wirelessly received by a 450MHz digital channel machine and a 400KHz digital channel machine are demodulated by FFSK modulation-demodulation circuits of the 450MHz digital channel machine and the 400KHz digital channel machine, one path of the FFSK data signals is sent to a main control unit, the main control unit sends the FFSK data signals to an operation terminal for corresponding display and acousto-optic prompt, and the other path of the FFSK data signals is sent to a recording unit for storage. FFSK data information required to be sent by an operation terminal and train number information received by an encoder interface are sent to a main control unit CPU for data processing, one path of FFSK data information is sent to a 450MHz digital channel machine and a 400KHz digital channel machine for FFSK modulation, wireless sending is carried out, and the other path of FFSK data information is sent to a recording unit for storage.
It should be noted that the present disclosure and the embodiments are intended to demonstrate the practical application of the technical solution provided by the present disclosure, and should not be interpreted as limiting the scope of the present disclosure. Various modifications, equivalent substitutions and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the present invention. The protection scope of the present invention is subject to the appended claims.
Claims (9)
1. A general locomotive radio station based on a dual-band combined communication system is characterized by comprising a host and an operation terminal (1); wherein,
the host comprises a 450MHz digital communication unit (2), a 400KHz digital communication unit (3), a satellite receiving unit (4), a main control unit (5), a GIS database unit (6), a recording unit (7), an interface unit (8) and a power supply unit (9); wherein,
the antenna feeder unit (10) is respectively connected with the 450MHz digital communication unit (2), the 400KHz digital communication unit (3) and the satellite receiving unit (4); the 450MHz digital communication unit (2), the 400KHz digital communication unit (3) and the satellite receiving unit (4) are connected with the main control unit (5); the main control unit (5) is respectively connected with the GIS database unit (6), the recording unit (7), the interface unit (8) and the operation terminal (1); the operation terminal (1) is connected to the printing unit (11).
2. The universal locomotive radio according to claim 1, characterized in that the operation terminal (1) comprises a first CPU (101), the first CPU (101) is respectively connected with the USB interface (102), the RS232 interface (103), the first RS422 interface (104), the first CAN interface (105), the DSP chip (106) and the GPIO interface (107); the USB interface (102) is connected with a computer and is used for realizing the high-speed data downloading function of the computer; the RS232 interface (103) is connected with the console and is used for realizing the function of the Linux console; the first RS422 interface (104) is connected with a printer and is used for realizing the printing function of pictures and texts; the first CAN interface (105) is connected with the host and used for realizing the interaction of voice and data information with the host; the DSP chip (106) is connected with the loudspeaker and the microphone through an IIS interface and is used for realizing the functions of microphone voice coding and loudspeaker voice decoding; and the GPIO interface (107) is used for realizing the control functions of a voice channel, key backlight and liquid crystal backlight and realizing the 8 x 8 key scanning function.
3. A universal locomotive radio as claimed in claim 2, characterized in that the first CPU (101) is built from an ARM Cortex-A8 core microprocessor and the operator terminal (1) has a RAM (108) of 512 mbytes, a FLASH (109) of 1 gbyte and a TFT liquid crystal display (110) of 320 x 240.
4. The universal locomotive radio according to claim 1, characterized in that the 450MHz digital communication unit (2) employs a 450MHz digital-analog compatible digital channel machine and employs B, C standard communication, the 400KHz digital communication unit (3) employs a 400KHz digital channel machine and employs induction standard communication, the 450MHz digital-analog compatible digital channel machine and the 400KHz digital channel machine are connected with the main control unit (5) through UART interface for implementing digital communication of voice, signaling, and FFSK data with the main control unit.
5. A universal locomotive radio as claimed in claim 1, characterized in that the satellite receiving unit (4) is connected to the main control unit (5) via a UART interface, so that the satellite receiving unit (4) outputs satellite positioning information to the main control unit (5), and the main control unit (5) outputs satellite positioning information to the operation terminal (1), the recording unit (7) and the intelligent GIS database unit (6).
6. Universal locomotive radio as claimed in claim 1, characterized in that the GIS database unit (6) is connected to the master control unit (5) via a CAN interface for data communication between the master control unit and the GIS database unit.
7. Universal locomotive radio station according to claim 1, characterized in that the recording unit (7) is connected to the master control unit (5) via a CAN interface for data communication between the master control unit (5) and the recording unit (7).
8. A universal locomotive radio according to claim 1, characterized in that the interface unit (8) comprises a 450MHz antenna interface, a 400KHz antenna interface, a satellite antenna interface, a host USB interface (801), a second RS422 interface (802) and a second CAN interface (803); the system comprises a 450MHz digital communication unit (2), a 400KHz digital communication unit (3), a satellite receiving unit (4) and a satellite antenna, wherein the 450MHz digital communication unit is connected with the 450MHz antenna through a 450MHz antenna interface, the 400KHz digital communication unit is connected with the 400MHz antenna through a 400KHz antenna interface, and the satellite receiving unit is connected with the satellite antenna through a satellite antenna interface; the host USB interface (801) is connected with the main control unit (5) through a UART interface, and the host USB interface (801) is connected with a computer and used for realizing computer data downloading; the second RS422 interface (802) is connected with the main control unit (5) through a UART interface, and the second RS422 interface (802) is connected with the train number encoder and used for sending the train number information; the second CAN interface (803) is connected to the operating terminal (1).
9. The universal locomotive radio as claimed in claim 1, characterized in that the power supply unit (9) comprises a DC power supply DC 110V-DC13.8V power supply module and a DC12V battery, said DC power supply DC 110-110V-DC13.8V power supply module is connected to the external input power supply, and when the external input power supply is stopped, the power supply is provided by said DC12V battery.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566214A (en) * | 2018-03-02 | 2018-09-21 | 泉州市铁通电子设备有限公司 | A kind of general-purpose type locomotive station based on two-band combined communication standard |
| CN109835369A (en) * | 2019-04-10 | 2019-06-04 | 天津华泽瑞威信息技术有限公司 | A kind of the on-vehicle safety maintenance communications platform and its implementation of the train protection warning function based on LTE-R network |
| CN111416637A (en) * | 2020-05-12 | 2020-07-14 | 泉州市铁通电子设备有限公司 | Railway train reconnection induction communication equipment and anti-interference method |
| CN116366087A (en) * | 2023-05-30 | 2023-06-30 | 天津七一二移动通信有限公司 | Station antenna feeder system of railway train shunting station and implementation method |
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2018
- 2018-03-02 CN CN201820292996.1U patent/CN207926564U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566214A (en) * | 2018-03-02 | 2018-09-21 | 泉州市铁通电子设备有限公司 | A kind of general-purpose type locomotive station based on two-band combined communication standard |
| CN109835369A (en) * | 2019-04-10 | 2019-06-04 | 天津华泽瑞威信息技术有限公司 | A kind of the on-vehicle safety maintenance communications platform and its implementation of the train protection warning function based on LTE-R network |
| CN111416637A (en) * | 2020-05-12 | 2020-07-14 | 泉州市铁通电子设备有限公司 | Railway train reconnection induction communication equipment and anti-interference method |
| CN111416637B (en) * | 2020-05-12 | 2024-03-08 | 泉州市铁通电子设备有限公司 | Railway train reconnection induction communication equipment and anti-interference method |
| CN116366087A (en) * | 2023-05-30 | 2023-06-30 | 天津七一二移动通信有限公司 | Station antenna feeder system of railway train shunting station and implementation method |
| CN116366087B (en) * | 2023-05-30 | 2023-10-27 | 天津七一二移动通信有限公司 | Station antenna feeder system of railway train shunting station and implementation method |
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