CN113315230A - Rail transit two-wire bus carrier remote communication method - Google Patents
Rail transit two-wire bus carrier remote communication method Download PDFInfo
- Publication number
- CN113315230A CN113315230A CN202110615056.8A CN202110615056A CN113315230A CN 113315230 A CN113315230 A CN 113315230A CN 202110615056 A CN202110615056 A CN 202110615056A CN 113315230 A CN113315230 A CN 113315230A
- Authority
- CN
- China
- Prior art keywords
- bus
- power supply
- communication
- module
- current power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention relates to the technical field of carrier communication, in particular to a rail transit two-wire bus carrier remote communication method which comprises an application server, a plurality of slave machines, a plurality of relay devices and a plurality of host servers, wherein the signal input end and the signal output end of the application server are in signal communication with the output end and the input end of the host servers through Ethernet. The invention has the beneficial effects that: the power supply line and the signal line are combined into one, the technology that the signal and the power supply share one bus is realized, due to the performance of the non-polar wiring random topology, the wiring error in construction is avoided, so that the construction design is simplified and easy, the method has the advantages of non-polar wiring, random topology, no need of isolation, long communication distance and the like, the transmission requirements of single-bus and multi-node are met, the two-wire bus carrier wave long-distance transmission can be realized, the real-time performance of the two-wire bus carrier wave transmission is improved, and the stability of a long-distance communication system is improved.
Description
Technical Field
The invention relates to the technical field of carrier communication, in particular to a rail transit two-wire bus carrier remote communication method.
Background
The carrier communication is a telephone multi-channel communication system based on frequency division multiplexing technology, and belongs to the standard of classical analog communication. In engineering, the frequency spectrum of an electric signal of one telephone is limited to be 300-3400 Hz; the frequency bandwidth occupied by a single telephone is 4 khz, taking into account the protective frequency separation. Therefore, it is possible to multiplex telephone signals of different numbers in the frequency bandwidth of one channel according to the different frequency bandwidths of the utility channels. For example, an overhead open-wire channel may typically multiplex 12 telephone signals, a symmetric cable channel may typically multiplex 60 telephone signals, a medium coaxial cable channel may multiplex thousands of telephone signals, and so on. In general, communication technologies are being digitalized at a large step, digital optical fiber communication, digital satellite communication, and digital microwave communication systems have an increasing weight, and analog carrier communication systems are shrinking. But carrier communication will continue to function in the branch lines and rural areas for a period of time.
Chinese patent No. CN111464211A provides a dc carrier bidirectional communication interface circuit system in the technical field of power line carrier communication, which includes a power supply isolation unit, a data sending unit and a data receiving unit; the power supply isolation unit consists of a power supply isolation circuit and is used for extracting a power supply on the communication bus and providing working electric energy for the circuit; the data sending unit consists of a carrier synthesis circuit and a signal and power coupling circuit and is used for converting communication data into carrier signals and outputting the carrier signals to a communication bus; the data receiving unit consists of a low-pass filter circuit, a high-pass filter circuit, a differential amplifying circuit, a comparator and a logic signal conditioning circuit and is used for demodulating data on the communication bus and converting the data into level signals which can be identified by the controller.
The prior carrier remote communication has the following problems: the power supply line and the signal line are separated independently, a signal and power supply can not share one bus, the performance of any topology of non-polar wiring is avoided, and wiring errors can easily occur in construction, so that the construction design is relatively complex, the advantages of no non-polar wiring, any topology, no need of isolation, long communication distance and the like are avoided, the transmission requirements of a single bus and multiple nodes can not be met, the long-distance transmission of two-wire bus carriers can not be realized, the real-time performance of the two-wire bus carrier transmission is relatively poor, and the stability of a communication system with long distance is relatively poor. Therefore, there is a need to develop a two-wire bus carrier remote communication method.
Disclosure of Invention
The invention aims to provide a rail transit two-wire bus carrier remote communication method, which aims to solve the problems that a power supply line and a signal line provided in the background technology are separated independently, have no performance of any topology of non-polar wiring, and are easy to have wiring errors in construction, so that the construction design is relatively complex, no non-polar wiring, any topology, no isolation and long communication distance are needed.
The technical scheme of the invention is as follows: a rail transit two-wire bus carrier remote communication method comprises an application server, a plurality of slave machines, a plurality of relay devices and a plurality of host servers, wherein signal input ends and signal output ends of the application server are in signal communication with output ends and input ends of the host servers through Ethernet, signal input ends and signal output ends of the host servers are in signal communication with output ends and input ends of one of the slave machines through direct-current power supply carrier buses, signal input ends and signal output ends of the host servers are in signal communication with output ends and input ends of one of the relay devices through the direct-current power supply carrier buses, and the direct-current power supply carrier buses between the host servers and the relay devices are connected with the plurality of slave machines.
Furthermore, the host server comprises a main control MCU, a bus host, an Ethernet module, a main node communication module and a direct current power supply module; the input end and the output end of the bus host are respectively communicated with the output end and the input end of the main control MCU, the Ethernet module transmits data to the application server through Ethernet, the main node communication module is mainly used for carrying out communication layer processing on signals on a bus of a direct current power supply carrier bus, the main control MCU is responsible for bus communication protocol data processing and Ethernet module communication protocol data processing, and the direct current power supply module 12V-48V is responsible for power supply of the direct current power supply carrier bus.
Furthermore, the direct-current power supply carrier bus of the relay device is responsible for expanding the communication distance of the bus, realizes long-distance transmission, and is used in a communication system with high real-time performance and long distance.
Furthermore, the slave machine comprises a slave station communication module, a data monitoring module and a direct-current power supply module, wherein the slave station communication module is used for receiving signals on a bus or sending signals to the bus, the data monitoring module is used for detecting the running condition of a load, and the direct-current power supply module is 12V-48V.
Furthermore, the host server internally comprises a master node, the slave server internally comprises a slave node, a direct-current power supply carrier bus on the master node sends out the address of the slave node through polling to realize the communication with the slave node, so that the slave node reports the data acquired by the data acquisition module, the transmission requirements of a single bus and multiple nodes are met, and meanwhile, the slave node has an event triggering instant communication mode, so that the host can quickly respond to the slave event.
Further, the communication between the master node communication module of the host server and the slave node adopts 12V-48V, 2400 or 9600 baud rate.
Furthermore, the relay comprises an isolated data exchange module and a direct current power supply module, the isolated data exchange module is convenient for field power supply, and the direct current power supply module is 12V-48V.
Furthermore, the slave device comprises a plurality of data acquisition modules, and the communication distance of the bus can be expanded by the relay direct-current power supply carrier bus.
Furthermore, the host server communicates with the direct-current power supply carrier bus of the slave machine through the direct-current power supply carrier bus, and the host server communicates with the application server through the Ethernet.
Further, the communication module of the host server uses 12v-48v direct current voltage.
The invention provides a two-wire bus carrier remote communication method through improvement, compared with the prior art, the two-wire bus carrier remote communication method has the following improvement and advantages:
(1) the system adopts a low-voltage direct-current carrier power supply bus, integrates a power supply line and a signal line into a whole, only 2 electric wires are needed, and due to the performance of any topology of non-polar wiring, wiring errors in construction are avoided, so that the construction design is simplified and easy, and the system has the advantages of no-polar wiring, any topology, no need of isolation, long communication distance and the like.
(2) The direct-current power supply carrier bus on the main node is adopted to send out the address of the slave node through polling, so that the communication with the slave node is realized, the slave node reports the data acquired by the data acquisition module, the transmission requirement of a single bus and multiple nodes is met, and the main node can simultaneously and quickly respond to any slave event due to the fact that an event triggering communication mode is combined.
(3) The direct-current power supply carrier bus with the relay equipment is used for expanding the communication distance of the bus, so that the two-wire bus carrier can be remotely transmitted, the real-time property of the two-wire bus carrier transmission is improved, and the stability of a remote communication system is improved.
(4) The adopted relay equipment expands the power of new slave stations, can improve the accuracy of data transmission, expands the number of the new slave stations, can increase the number of slave machines, expands the communication distance and improves the total transmission distance.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the testing method of the present invention.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 2, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The invention provides a rail transit two-wire bus carrier remote communication method through improvement, as shown in figures 1 to 2, comprising an application server, a plurality of slave machines, a plurality of relay devices and a plurality of host servers, wherein the signal input end and the signal output end of the application server are in signal communication with the output end and the input end of the host server through Ethernet, the signal input end and the signal output end of the host server are in signal communication with the output end and the input end of one relay device through a direct current power supply carrier bus, the direct current power supply carrier bus between the host server and the relay devices is connected with the plurality of slave machines, the communication between the application server and the master station device adopts a 2-wire bus for communication and power supply, due to the performance of any topology of non-polar wiring, the wiring error in construction is avoided, thereby simplifying the construction design, the system has the advantages of no-polarity wiring, any topology, no need of isolation, long communication distance and the like, and the signal input end and the signal output end of the application server are in signal communication with the output end and the input end of the master station device through the 2-wire bus.
Furthermore, the host server comprises a main control MCU, a bus host, an Ethernet module, a main node communication module and a direct current power supply module; the input end and the output end of the bus host are respectively communicated with the output end and the input end of the main control MCU, the Ethernet module transmits data to the application server through Ethernet, the main node communication module is mainly used for carrying out communication layer processing on signals on a bus of a direct current power supply carrier bus, the main control MCU is responsible for bus communication protocol data processing and Ethernet module communication protocol data processing, and the direct current power supply module 12V-48V is responsible for power supply of the direct current power supply carrier bus.
Furthermore, a direct-current power supply carrier bus of the relay device is responsible for expanding the communication distance of the bus, realizes long-distance transmission, and is used in a communication system with high real-time performance and long distance.
Furthermore, the slave machine comprises a slave station communication module, a data monitoring module and a direct-current power supply module, wherein the slave station communication module is used for receiving signals on a bus or sending signals to the bus, the data monitoring module is used for detecting the running condition of a load, and the direct-current power supply module is 12V-48V.
Furthermore, the host server internally comprises a master node, the slave server internally comprises a slave node, a direct-current power supply carrier bus on the master node sends out the address of the slave node through polling to realize the communication with the slave node, so that the slave node reports the data acquired by the data acquisition module to meet the transmission requirements of single-bus multi-node, and meanwhile, the slave node has an event triggering instant communication mode, so that the host can quickly respond to the slave event.
Further, the communication between the master node communication module of the host server and the slave node adopts 12V-48V, 2400 or 9600 baud rate.
Furthermore, the relay comprises an isolated data exchange module and a direct current power supply module, the isolated data exchange module is convenient for field power supply, and the direct current power supply module is 12V-48V.
Furthermore, the slave equipment comprises a plurality of types of data acquisition modules, and the communication distance of the bus can be expanded by the relay direct-current power supply carrier bus, so that the slave nodes report the data acquired by the data acquisition modules, and the transmission requirements of single bus and multiple nodes are met.
Furthermore, the host server realizes the communication with the direct current power supply carrier bus of the slave machine through the direct current power supply carrier bus, and the host server communicates with the application server through the Ethernet.
Further, the communication module of the host server uses 12v-48v DC voltage.
The working principle is as follows: the MCU in the gateway polls the address of the slave machine through controlling the master station communication module, after establishing connection corresponding to the slave machine response, the slave station communication module of the slave machine sends monitored data to the master station communication module, then the MCU obtains the data from the master station communication module, sends the data to the Ethernet module, and then sends the data to the server through the Ethernet, and the monitoring data of the slave machine is obtained according to the address of the slave machine in the circulation way.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A rail transit two-wire bus carrier remote communication method is characterized in that: the signal input end and the signal output end of the application server are in signal communication with the output end and the input end of the host server through Ethernet, the signal input end and the output end of the host server are in signal communication with the output end and the input end of one relay device through a direct-current power supply carrier bus, and the direct-current power supply carrier bus between the host server and the relay devices is connected with the slave devices.
2. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the host server comprises a main control MCU, a bus host, an Ethernet module, a main node communication module and a direct current power supply module; the input end and the output end of the bus host are respectively communicated with the output end and the input end of the main control MCU, the Ethernet module transmits data to the application server through Ethernet, the main node communication module is mainly used for carrying out communication layer processing on signals on a bus of a direct current power supply carrier bus, the main control MCU is responsible for bus communication protocol data processing and Ethernet module communication protocol data processing, and the direct current power supply module 12V-48V is responsible for power supply of the direct current power supply carrier bus.
3. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the direct-current power supply carrier bus of the relay device is responsible for expanding the communication distance of the bus, realizes long-distance transmission and is used in a communication system with high real-time performance and long distance.
4. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the slave machine comprises a slave station communication module, a data monitoring module and a direct-current power supply module, wherein the slave station communication module is used for receiving signals on a bus or sending signals to the bus, the data monitoring module is used for detecting the running condition of a load, and the direct-current power supply module is 12-48V.
5. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the host server internally comprises a master node, the slave server internally comprises a slave node, a direct-current power supply carrier bus on the master node sends out the address of the slave node through polling to realize the communication with the slave node, so that the slave node reports the data acquired by the data acquisition module to meet the transmission requirements of single-bus multi-node, and meanwhile, the slave node has an event triggering instant communication mode, so that the host can quickly respond to the slave event.
6. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the communication between the main node communication module of the host server and the slave node adopts 12V-48V, 2400 or 9600 baud rate.
7. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the relay comprises an isolated data exchange module and a direct current power supply module, the isolated data exchange module is convenient for field power supply, and the direct current power supply module is 12V-48V.
8. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the slave device comprises a plurality of data acquisition modules, and the communication distance of the bus can be expanded by the relay direct-current power supply carrier bus.
9. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the host server is communicated with the direct-current power supply carrier bus of the slave machine through the direct-current power supply carrier bus, and the host server is communicated with the application server through the Ethernet.
10. The rail transit two-wire bus carrier remote communication method according to claim 1, characterized in that: the communication module of the host server uses 12v-48v direct current voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110615056.8A CN113315230A (en) | 2021-06-02 | 2021-06-02 | Rail transit two-wire bus carrier remote communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110615056.8A CN113315230A (en) | 2021-06-02 | 2021-06-02 | Rail transit two-wire bus carrier remote communication method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113315230A true CN113315230A (en) | 2021-08-27 |
Family
ID=77377007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110615056.8A Withdrawn CN113315230A (en) | 2021-06-02 | 2021-06-02 | Rail transit two-wire bus carrier remote communication method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113315230A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114448468A (en) * | 2021-12-30 | 2022-05-06 | 恒亦明（重庆）科技有限公司 | Communication information transmission method, communication host device, and two-wire system power supply communication system |
-
2021
- 2021-06-02 CN CN202110615056.8A patent/CN113315230A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114448468A (en) * | 2021-12-30 | 2022-05-06 | 恒亦明（重庆）科技有限公司 | Communication information transmission method, communication host device, and two-wire system power supply communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106452509B (en) | Coupler and method of communicating via a power line communication bus | |
| CN207283546U (en) | A kind of gateway based on broadband power line carrier communication | |
| KR100927817B1 (en) | Ship's communication system using multiplex line communication | |
| CN211509044U (en) | Medium-voltage line power failure indication transmission system based on medium-voltage carrier communication | |
| CN102263593A (en) | FTTH (fiber to the home)-based energy efficiency intelligent management and broadband access system and method | |
| CN113315230A (en) | Rail transit two-wire bus carrier remote communication method | |
| CN106711963A (en) | Differential protection system and differential protection method for multi-segment line | |
| KR100893917B1 (en) | Ship's communication system using 3-phase power line communication | |
| CN111402562A (en) | Power consumption information deep coverage acquisition system | |
| CN216673008U (en) | Data aggregation system with high-bandwidth power carrier communication mode | |
| CN110995319A (en) | Fault indicator monitoring system and method in scene without network service | |
| CN203618007U (en) | Multichannel Ethernet cable extender main terminal with optical port | |
| CN104882966A (en) | Distribution network automation communication system | |
| CN113924533A (en) | Synchronization method of control system and control system | |
| CN114205180A (en) | High-speed bus transmission system for oil and gas pipeline | |
| CN217406559U (en) | Rail transit communication gateway supporting remote bus type power supply carrier communication | |
| CN210201394U (en) | Signal monitoring lightning protection junction box | |
| CN201766684U (en) | Multi-channel digital-analog signal variable wavelength optical transmission device | |
| CN112039035A (en) | Optical fiber communication system and method based on 2M conventional channel | |
| CN202282835U (en) | Lossless relay multiplexer for digital videos | |
| CN202353592U (en) | Power broadband data exchanger and electricity meter networking system using same | |
| CN114944968A (en) | Serial communication system for realizing multiple different frequencies and communication protocols on same line | |
| CN111063532A (en) | Current transformer based on wireless communication technology networking | |
| CN202602665U (en) | Switching power supply used for network communication equipment | |
| CN213814965U (en) | Intelligent water meter acquisition device based on PLC power line carrier communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210827 |