CN203965907U - track traffic communication system - Google Patents
track traffic communication system Download PDFInfo
- Publication number
- CN203965907U CN203965907U CN201420343980.0U CN201420343980U CN203965907U CN 203965907 U CN203965907 U CN 203965907U CN 201420343980 U CN201420343980 U CN 201420343980U CN 203965907 U CN203965907 U CN 203965907U
- Authority
- CN
- China
- Prior art keywords
- network interface
- data
- signal
- mobile
- mobile communications
- 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.)
- Expired - Fee Related
Links
- 238000004891 communication Methods 0.000 title claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000010295 mobile communication Methods 0.000 claims description 38
- 238000012545 processing Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000003993 interaction Effects 0.000 abstract description 5
- 230000010365 information processing Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Small-Scale Networks (AREA)
Abstract
The utility model provides a kind of track traffic communication system, the information of the terminal device gathering by controller receiving detection device, and convert CAN data-signal to and send to after communication gate, communication gate converts thereof into corresponding mobile network data signal, by mobile radio communication, send to high in the clouds equipment, or, communication gate receives the mobile network data signal that high in the clouds equipment sends by mobile radio communication, according to the format conversion protocol stack prestoring, convert thereof into corresponding CAN data-signal, and send to controller, so that controller sends to terminal device, realized between terminal device on rail vehicle and high in the clouds equipment by mobile radio communication real-time carry out data interaction and information processing, data transmission capacity and data-handling efficiency have been improved.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of track traffic communication system.
Background technology
At present; inner each terminal device of rail vehicle is by (the Controller Area Network of controller local area network; CAN) form of bus is articulated in car load network system; CAN bus has high transfer rate; within 40 meters, can provide the message transmission rate up to 1Mbit/s; there is automatic error detection mechanism and automatic retransmitting function; terminal device can exit bus when mistake is serious; network performance is not affected by bad node; CAN bus can dynamic load node; whole system need not be shut down for single node, can greatly reduce the loss of shutdown.Therefore, CAN network is a kind of more common, industrial network that anti-interference is very strong, in In-vehicle networking, is often used in device level network.
Along with many-sided application such as traffic safety need, the monitoring of each terminal device is seemed to particularly important, in prior art, CAN network passes through MVB network transfers to receiving equipment the vehicle arrangement data that collect, receiving equipment is pushed to data message on display device, for field personnel's monitoring and operation.
Along with rolling stock is information-based, intelligentized development, vehicle netbios has proposed more and more higher requirement to network data throughput and transfer rate, but, in prior art owing to being subject to the restriction of cable and communication mode, distance between equipment is generally all very near, transmits data volume generally all very little, cannot realize the transmission of the large data of facility information, therefore, the data communication processing power of prior art has certain limitation.
Utility model content
For the above-mentioned defect of prior art, the utility model embodiment provides a kind of track traffic communication system.
The utility model embodiment provides a kind of track traffic communication system on the one hand, comprising:
Terminal device, communication gate and high in the clouds equipment, wherein, described terminal device comprises pick-up unit and controller, described communication gate comprises: CAN network interface, processor and mobile communications network interface, wherein, described pick-up unit is connected with described controller, and described processor is connected with described mobile communications network interface with described CAN network interface respectively, and described controller is connected with described CAN network interface by CAN bus; Wherein,
Described controller, for receiving the information on the described terminal device that described pick-up unit gathers, and by described CAN bus, CAN data-signal is sent to described CAN network interface, or receive the CAN data-signal that described CAN network interface sends, and send to described terminal device;
Described processor, for receive the CAN data-signal that described controller sends by described CAN network interface, according to the format conversion protocol stack prestoring, CAN data-signal through resolving is carried out to protocol format conversion, obtain mobile network data signal corresponding to network formats of supporting with described mobile communications network interface, and send to described high in the clouds equipment by described mobile communications network interface; Or, by described mobile communications network interface, receive mobile network data signal corresponding to network formats that described high in the clouds equipment sends, that support with described mobile communications network interface, according to described format conversion protocol stack, mobile network data signal through resolving is carried out to protocol format conversion, obtain corresponding CAN data-signal, and send to described controller by described CAN network interface.
Track traffic communication system as above, described processor comprises: single-chip microcomputer and coder/decoder, described single-chip microcomputer is connected with described CAN network interface, described coder/decoder is connected with described mobile communications network interface, between described single-chip microcomputer and described coder/decoder, adopt serial peripheral equipment interface SPI communication mode, wherein
Described single-chip microcomputer, for carrying out the conversion from source protocol to target protocol according to described format conversion protocol stack to the form of the data-signal receiving;
Described coder/decoder, for encoding to changing mobile network data signal that obtain, corresponding with the network formats of described mobile communications network interface support through protocol format, and send to described mobile communications network interface, or, that described high in the clouds equipment is sent, corresponding with the network formats of described mobile communications network interface support, through the mobile network data signal of encoding, decode, and send to described single-chip microcomputer.
Track traffic communication system as above, described single-chip microcomputer, also for monitoring by dongle, so that described communication gate is automatically reset to be appearred when wrong in executive routine.
Track traffic communication system as above, described processor also comprises: the enciphering/deciphering device with USB (universal serial bus), described enciphering/deciphering device is connected with described coder/decoder, wherein, described enciphering/deciphering device is used for: the mobile network data signal after described coder/decoder coding is encrypted, or the mobile network data signal transmission of described high in the clouds equipment, after encrypting is decrypted to processing.
Track traffic communication system as above, described terminal device comprises: AuCT equipment, traction convertor equipment, charging set equipment and energy storage device.
Track traffic communication system as above, described high in the clouds equipment comprises: control center, high in the clouds storer, individual mobile device.
The track traffic communication system that the utility model embodiment provides, the information of the terminal device gathering by controller receiving detection device, and convert CAN data-signal to and send to after communication gate, communication gate converts thereof into corresponding mobile network data signal, by mobile radio communication, send to high in the clouds equipment, or, communication gate receives the mobile network data signal that high in the clouds equipment sends by mobile radio communication, according to the format conversion protocol stack prestoring, convert thereof into corresponding CAN data-signal, and send to controller, so that controller sends to terminal device, realized between terminal device on rail vehicle and high in the clouds equipment by mobile radio communication real-time carry out data interaction and information processing, data transmission capacity and data-handling efficiency have been improved.
Accompanying drawing explanation
The structural representation of the track traffic communication system that Fig. 1 provides for the utility model embodiment;
The structural representation of another track traffic communication system that Fig. 2 provides for the utility model embodiment.
Embodiment
The structural representation of the track traffic communication system that Fig. 1 provides for the utility model embodiment, as shown in Figure 1, this track traffic communication system comprises: communication gate 1, terminal device 2 and high in the clouds equipment 3, wherein, communication gate 1 comprises: CAN network interface 11, mobile communications network interface 12 and processor 13, terminal device 2 comprises pick-up unit 21 and controller 22, wherein, processor 13 is connected with mobile communications network interface 12 with CAN network interface 11 respectively, wherein, described pick-up unit 21 is connected with controller 22, described controller 22 is connected with described CAN network interface 11 by CAN bus, wherein, controller 22, information on the described terminal device gathering for receiving detection device 21, and by described CAN bus, CAN data-signal is sent to described CAN network interface 11, or receive the CAN data-signal that described CAN network interface 11 sends, and send to described terminal device,
Processor 13 is for receiving by CAN network interface 11 the CAN data-signal that controller 22 sends, according to the format conversion protocol stack prestoring, CAN data-signal through resolving is carried out to protocol format conversion, obtain mobile network data signal corresponding to network formats of supporting with described mobile communications network interface, and send to high in the clouds equipment by mobile communications network interface 12; Or, by mobile communications network interface 12, receive mobile network data signal corresponding to network formats that high in the clouds equipment sends, that support with mobile communications network interface 12, according to described format conversion protocol stack, mobile network data signal through resolving is carried out to protocol format conversion, obtain corresponding CAN data-signal, and send to controller 22 by CAN network interface 11.
Particularly, as follows for the specific implementation process of data uplink:
Pick-up unit on inner each terminal device of rail vehicle is according to the real time data on default sense cycle acquisition terminal equipment, wherein, above-mentioned terminal device specifically comprises: AuCT equipment, traction convertor equipment, charging set equipment and energy storage device, the real time data that pick-up unit gathers comprises: analog quantity detects and digital quantity detects, analog quantity detects and mainly by sensor, each simulating signal of vehicle is detected, the main input/output voltage that detects vehicle draw-off equipment, electric current, rotating speed, acceleration/deceleration, motor temperature, traction convertor temperature of power module, the input/output voltage of power-supply unit, electric current, AuCT temperature of power module etc., digital quantity detects switching value output and the switching value input signal situation on main sense terminals equipment.Pick-up unit sends to controller by the information of collection, controller can single-chip microcomputer series, ARM series, other have the chip of controlling function, such as industrial main flow dsp chip TMS320F28335, controller carries out encapsulation process to the information receiving and converts CAN data-signal to, by CAN bus, the data-signal collecting is sent to CAN network interface, the CAN data-signal that CAN network interface is uploaded controller sends to processor, processor is resolved the CAN data-signal receiving, then according to the format conversion protocol stack prestoring, CAN data-signal through resolving is carried out to protocol format conversion, obtain mobile network data signal corresponding to network formats of supporting with mobile communications network interface, and send to high in the clouds equipment by mobile communications network interface.Wherein, the network formats of mobile communications network interface support specifically comprises: 2G, 3G, 4G network formats, preferably, 3G network standard specifically comprises: Wideband Code Division Multiple Access (WCDMA) WCDMA, worldwide interoperability for microwave access WiMAX and TD SDMA TD-SCDMA, the TD SDMA TD-SCDMA network formats of take is described as follows as example: if the network formats of mobile communications network interface support is TD-SCDMA, processor is according to the Data Format Transform rule between CAN agreement and TD SDMA agreement, CAN data-signal through resolving is carried out to protocol format conversion, obtain corresponding TD SDMA data-signal, and send by mobile communications network interface, to send to corresponding high in the clouds equipment by TD-SCDMA network, so that the data that high in the clouds equipment interconnection is received are processed.It should be noted that, high in the clouds equipment specifically comprises: control center, high in the clouds storer, individual mobile device, in actual applications, select as required corresponding high in the clouds equipment to carry out different business processing, for example in control center, on-the-spot equipment is monitored and remote control in real time data-pushing etc.; If the data of transmission do not need to process immediately, also the data of uploading can be stored on the memory device of high in the clouds, facilitate staff process later and analyze.
Specific implementation process for data downstream is as follows:
On device display, can show beyond the clouds the information of each terminal device, when high in the clouds equipment need to carry out attended operation to terminal device, software programming/renewal, in the time of instruction action, mobile network data signal corresponding to the network formats with the support of mobile communications network interface can be sent to mobile communications network interface by mobile network, the mobile network data signal that mobile communications network interface sends high in the clouds equipment sends to processor, processor is resolved the mobile network data signal receiving, then according to the format conversion protocol stack prestoring, mobile network data signal through resolving is carried out to protocol format conversion, obtain corresponding CAN data-signal, and send to controller by CAN network interface, controller sends to terminal device by CAN data-signal, terminal device obtains data-signal to its parsing and moves accordingly according to instruction.It should be noted that, when the terminal device of Packet Generation to appointment, this terminal device can push receipt data of having received information to high in the clouds equipment after receiving data, or the presence that shows beyond the clouds underlying device on equipment, if broken down or not to underlying device power supply, can show the state of off-line, if accept the larger or high in the clouds of data volume, there is a plurality of equipment to be connected with this terminal device, can show busy, when terminal device receives a plurality of instruction, can carry out according to the priority of instruction, and the implementation status of meeting receipt instruction.
The track traffic communication system that the utility model embodiment provides, the information of the terminal device gathering by controller receiving detection device, and convert CAN data-signal to and send to after communication gate, communication gate converts thereof into corresponding mobile network data signal, by mobile radio communication, send to high in the clouds equipment, or, communication gate receives the mobile network data signal that high in the clouds equipment sends by mobile radio communication, according to the format conversion protocol stack prestoring, convert thereof into corresponding CAN data-signal, and send to controller, so that controller sends to terminal device, realized between terminal device on rail vehicle and high in the clouds equipment by mobile radio communication real-time carry out data interaction and information processing, data transmission capacity and data-handling efficiency have been improved.
The structural representation of another track traffic communication system that Fig. 2 provides for the utility model embodiment, as shown in Figure 2, processor 13 comprises: single-chip microcomputer 131 and coder/decoder 132, single-chip microcomputer 131 is connected with CAN network interface 11, coder/decoder 132 is connected with mobile communications network interface 12, wherein, single-chip microcomputer 131 can adopt the single-chip microcomputer of Multiple Type, take and there is the ARM microprocessor STM32F103C8T6 of 32 and illustrate processing procedure as example, particularly, STM32F103C8T6 single-chip microcomputer has three standard UART mouths, two SPI mouths, a high-performance CAN mouth, a USB mouth, nearly all conventional communication ports such as four timers, STM32F103C8T6 single-chip microcomputer 131 is connected with CAN network interface 11 by UART1, and be connected with coder/decoder 132 by UART2, wherein, the serial ports receiving end RX1 of UART1 is connected with the transmission interface circuit in CAN network interface 11, the CAN data-signal that STM32F103C8T6 single-chip microcomputer 131 sends by the transmission interface circuit in CAN network interface 11 by RX1 receiving terminal apparatus, serial ports transmitting terminal TX1 on UART1 is connected with the receiving interface circuit in CAN network interface 11, and terminal device receives by the receiving interface circuit in CAN network interface 11 the CAN data-signal that STM32F103C8T6 single-chip microcomputer 131 sends by TX1.UART2 on STM32F103C8T6 single-chip microcomputer 131 communicates for coder/decoder 132 provides power supply and AT command signal and coder/decoder 132 by input/output port I/O mouth.Between STM32F103C8T6 single-chip microcomputer 131 and coder/decoder 132, pass through Serial Peripheral Interface (serial peripheral interface, SPI) carry out information interaction, it should be noted that, the concrete unit and the function that in the present embodiment, main body module in STM32F103C8T6 single-chip microcomputer 131 are comprised are not restricted, and only improvement are elaborated.STM32F103C8T6 single-chip microcomputer 131 is for carrying out the conversion from source protocol to target protocol according to format conversion protocol stack to the form of the data-signal receiving; Coder/decoder 132 is encoded for mobile network data signal corresponding to the network formats conversion through protocol format being obtained, support with mobile communications network interface 12, and send to mobile communications network interface 12, or, the network formats mobile network data signal corresponding, process coding high in the clouds equipment being sent, support with mobile communications network interface 12 is decoded, and sends to single-chip microcomputer 131.By coding, process and can effectively improve transfer efficiency, save the transmission time.
Further, processor 13 also comprises: the enciphering/deciphering device 133 with USB (universal serial bus), enciphering/deciphering device 133 is connected with coder/decoder 132, wherein, enciphering/deciphering device 133 for: the mobile network data signal after described coder/decoder coding is encrypted, or described high in the clouds equipment is sent, the mobile network data signal after encrypting is decrypted processing.By encryption, can effectively improve security, avoid cracking and distorting significant data.
Further, single-chip microcomputer 131, also for monitoring by dongle, so that described communication gate is automatically reset to be appearred when wrong in executive routine, with the stability of raising system operation.
The track traffic communication system that the utility model embodiment provides, the information of the terminal device gathering by controller receiving detection device, and convert CAN data-signal to and send to after communication gate, communication gate converts thereof into corresponding mobile network data signal, and encode and/or encrypt after by mobile radio communication, send to high in the clouds equipment, or, communication gate receives the mobile network data signal that high in the clouds equipment sends by mobile radio communication, after decoding and/or deciphering, according to the format conversion protocol stack prestoring, convert thereof into corresponding CAN data-signal, and send to controller, so that controller sends to terminal device, realized between terminal device on rail vehicle and high in the clouds equipment by mobile radio communication real-time carry out data interaction and information processing, data transmission capacity and data-handling efficiency have been improved, and guaranteed the security of communication.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a track traffic communication system, it is characterized in that, comprise: terminal device, communication gate and high in the clouds equipment, wherein, described terminal device comprises pick-up unit and controller, described communication gate comprises: CAN network interface, processor and mobile communications network interface, wherein, described pick-up unit is connected with described controller, described processor is connected with described mobile communications network interface with described CAN network interface respectively, and described controller is connected with described CAN network interface by CAN bus; Wherein,
Described controller, for receiving the information on the described terminal device that described pick-up unit gathers, and by described CAN bus, CAN data-signal is sent to described CAN network interface, or receive the CAN data-signal that described CAN network interface sends, and send to described terminal device;
Described processor, for receive the CAN data-signal that described controller sends by described CAN network interface, according to the format conversion protocol stack prestoring, CAN data-signal through resolving is carried out to protocol format conversion, obtain mobile network data signal corresponding to network formats of supporting with described mobile communications network interface, and send to described high in the clouds equipment by described mobile communications network interface; Or, by described mobile communications network interface, receive mobile network data signal corresponding to network formats that described high in the clouds equipment sends, that support with described mobile communications network interface, according to described format conversion protocol stack, mobile network data signal through resolving is carried out to protocol format conversion, obtain corresponding CAN data-signal, and send to described controller by described CAN network interface.
2. track traffic communication system according to claim 1, it is characterized in that, described processor comprises: single-chip microcomputer and coder/decoder, described single-chip microcomputer is connected with described CAN network interface, described coder/decoder is connected with described mobile communications network interface, between described single-chip microcomputer and described coder/decoder, adopt serial peripheral equipment interface SPI communication mode, wherein
Described single-chip microcomputer, for carrying out the conversion from source protocol to target protocol according to described format conversion protocol stack to the form of the data-signal receiving;
Described coder/decoder, for encoding to changing mobile network data signal that obtain, corresponding with the network formats of described mobile communications network interface support through protocol format, and send to described mobile communications network interface, or, that described high in the clouds equipment is sent, corresponding with the network formats of described mobile communications network interface support, through the mobile network data signal of encoding, decode, and send to described single-chip microcomputer.
3. track traffic communication system according to claim 2, is characterized in that, described single-chip microcomputer, also for monitoring by dongle, so that described communication gate is automatically reset to be appearred when wrong in executive routine.
4. track traffic communication system according to claim 2, it is characterized in that, described processor also comprises: the enciphering/deciphering device with USB (universal serial bus), described enciphering/deciphering device is connected with described coder/decoder, wherein, described enciphering/deciphering device is used for: the mobile network data signal after described coder/decoder coding is encrypted, or the mobile network data signal transmission of described high in the clouds equipment, after encrypting is decrypted to processing.
5. according to the arbitrary described track traffic communication system of claim 1-4, it is characterized in that, described terminal device comprises: AuCT equipment, traction convertor equipment, charging set equipment and energy storage device.
6. according to the arbitrary described track traffic communication system of claim 1-4, it is characterized in that,
Described high in the clouds equipment comprises: control center, high in the clouds storer, individual mobile device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343980.0U CN203965907U (en) | 2014-06-24 | 2014-06-24 | track traffic communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343980.0U CN203965907U (en) | 2014-06-24 | 2014-06-24 | track traffic communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965907U true CN203965907U (en) | 2014-11-26 |
Family
ID=51926465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420343980.0U Expired - Fee Related CN203965907U (en) | 2014-06-24 | 2014-06-24 | track traffic communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965907U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223911A (en) * | 2014-06-24 | 2016-01-06 | 北车大连电力牵引研发中心有限公司 | Track traffic communication system and data processing method |
| CN105791377A (en) * | 2015-12-14 | 2016-07-20 | 美的集团股份有限公司 | Cloud access system and method based on wireless communication module |
| CN105871992A (en) * | 2015-12-14 | 2016-08-17 | 美的集团股份有限公司 | Cloud access system and method based on wireless communication module |
| CN107171916A (en) * | 2017-04-07 | 2017-09-15 | 浙江工业大学 | The special 4G intelligent wireless bridge of industry measurement pump remote monitoring |
-
2014
- 2014-06-24 CN CN201420343980.0U patent/CN203965907U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223911A (en) * | 2014-06-24 | 2016-01-06 | 北车大连电力牵引研发中心有限公司 | Track traffic communication system and data processing method |
| CN105791377A (en) * | 2015-12-14 | 2016-07-20 | 美的集团股份有限公司 | Cloud access system and method based on wireless communication module |
| CN105871992A (en) * | 2015-12-14 | 2016-08-17 | 美的集团股份有限公司 | Cloud access system and method based on wireless communication module |
| CN105871992B (en) * | 2015-12-14 | 2017-05-24 | 美的集团股份有限公司 | Cloud access system and method based on wireless communication module |
| CN107171916A (en) * | 2017-04-07 | 2017-09-15 | 浙江工业大学 | The special 4G intelligent wireless bridge of industry measurement pump remote monitoring |
| CN107171916B (en) * | 2017-04-07 | 2020-08-18 | 浙江工业大学 | Special 4G wireless intelligent network bridge for remote monitoring of industrial metering pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203965907U (en) | track traffic communication system | |
| CN103036893A (en) | One-layer network data processing method suitable for intelligent substation | |
| CN105223911A (en) | Track traffic communication system and data processing method | |
| CN102539981A (en) | Wide area protection fault recording method for electric power system | |
| CN104283746A (en) | System and method for achieving digital substation three-in-one network through FPGA | |
| CN105425709A (en) | Remote monitoring and management system of ball mills based on wireless access into Internet and equipment of same | |
| CN103631238A (en) | Novel smart home system | |
| CN109309688B (en) | New energy power station operation control method based on cloud monitoring and data encryption transmission | |
| CN102957558A (en) | Protection monitoring device with SV and GOOSE unvarnished transmission function | |
| CN103259873A (en) | Method and system for data collection and control of wind power plant device through front-end processor | |
| CN203965906U (en) | track traffic communication system | |
| CN107592285A (en) | A kind of intelligent communication gateway device and its system | |
| CN108965414B (en) | Alternating-current charging pile control system for multi-network redundant communication | |
| CN214412758U (en) | Protocol safety conversion gateway | |
| CN105223912A (en) | Track traffic communication system and data processing method | |
| CN105955902A (en) | Serial-to-wireless communicator | |
| CN203070516U (en) | Electric meter reading system based on Ethernet networking architecture | |
| CN202475484U (en) | Internet of Things protocol converting device | |
| CN202488213U (en) | Condition monitoring agency device and system for electric transmission line | |
| CN104219282A (en) | Substation data acquisition and remote wireless transmission system | |
| CN202940849U (en) | Private network weather monitoring system based on digital microwave network | |
| CN103841377A (en) | Remote management system for intelligent video meter reading | |
| CN203012498U (en) | Grain condition monitoring system | |
| CN105206022A (en) | Zigbee-based water level information collection system and method | |
| CN205644530U (en) | Serial ports changes wireless communicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee after: CRRC DALIAN ELECTRIC TRACTION R & D CENTER Co.,Ltd. Address before: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee before: CNR DALIAN ELECTRIC TRACTION R&D CENTER Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 |