CN203151532U - Multifunction vehicle bus (MVB) communication equipment for rail vehicle energy management system and energy storage type light rail vehicle - Google Patents
Multifunction vehicle bus (MVB) communication equipment for rail vehicle energy management system and energy storage type light rail vehicle Download PDFInfo
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- CN203151532U CN203151532U CN 201320094128 CN201320094128U CN203151532U CN 203151532 U CN203151532 U CN 203151532U CN 201320094128 CN201320094128 CN 201320094128 CN 201320094128 U CN201320094128 U CN 201320094128U CN 203151532 U CN203151532 U CN 203151532U
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Abstract
The utility model provides multifunction vehicle bus (MVB) communication equipment for a rail vehicle energy management system and an energy storage type light rail vehicle. The MVB communication equipment, designed based on a mother-and-slave board type structure, comprises an energy management module and an MVB network card board. The energy management module is served as a mother board and the MVB network card board is served as a slave board. The slave board is provided with a DPRAM and an MVB buffer interface. The MVB network card board is connected with the mother board through a 96-core connector. The DPRAM and the MVB buffer interface are connected mutually. The mother board enables the data operation on the DPRAM inside the MVB network card board through an I/O analog data bus, an address bus and a control bus, wherein the access mode is realized through following a unified network card board access protocol. Meanwhile, the data interaction between an MVB bus and the MVB buffer interface in the network card board, and the data interaction between the MVB buffer interface and the DPRAM in the network card board, are carried out respectively. A network control system is connected with the network card board through the MVB bus.
Description
Technical field
The utility model relates to the internal control device of rail vehicle, is specifically related to a kind of rail vehicle energy management system MVB communication device and energy storage type light rail car.
Background technology
Energy storage type track electric traction vehicle is to utilize the energy-storage system store electrical energy and with a kind of light rail vehicle of this electric energy as the traction power power supply, energy management system is as monitoring and the administrative unit of vehicle-mounted accumulation power supply, be the important component part of energy-storage system and even car load, it mainly realizes following function: Stateful Inspection, failure diagnosis, energy show, the power consumption statistics.Energy management system need with relevant information real-time be sent to train MVB network, show for display.
The application of MVB network in electric locomotive reaches its maturity, and existing electric locomotive is used the MVB network and carried out communication and mainly contain following two kinds of technical schemes: 1, based on the MVB one kind equipment ESD+ network interface card of mother baby plate structure; 2, adopt the RCM module, it possesses the ESD+ interface, and the energy conservation template is connected with the RCM module by the CAN passage, and the RCM module forwards is to the MVB network, and connected mode is module to module.
The shortcoming of technique scheme is: 1, MVB one kind equipment ESD+ network interface card based on the mother baby plate structure, the data volume of monolithic veneer and device address etc. restricted (each 32 byte of source port and place port), and energy management system comprises the system information data, status information data, the energy information data, fault information data etc., data volume is bigger, and energy storage type light rail car comprises the more piece compartment usually, an energy conservation module all can be installed in every joint compartment, if adopt a kind equipment ESD+ network interface card, may occur port not enough or be not easy to because port is saturated after the phenomenon expanded;
2, adopt the RCM module, it possesses the ESD+ interface, the transmitting data stream amount also meets the demands, the energy conservation template is connected with the RCM module by the CAN passage, the RCM module forwards is to the MVB network, connected mode is module to module, defective: the energy conservation module needs to transmit data by the CAN communication mode to the RCM module earlier, the real-time of influence communication supposes that the CAN message cycle is 10ms greatly, and energy-storage system comprises 28 energy storage modules, each energy storage module comprises 12 super capacitor monomers and 2 temperature monitoring points, with 2 byte representations, temperature is with 1 byte representation, as calculated as can be known in communication message for monomer voltage, only monomer voltage and temperature are transmitted the need 0.91s that finishes, if adopt this kind scheme, can cause certain transfer of data time-delay, reduce the real-time of communication.
Therefore be necessary prior art is improved.
The utility model content
Technical problem such as little at existing MVB network communication transmitted data amount, that data transmission bauds is slow, port is few, the utility model provides a kind of MVB communication device and energy storage type light rail car of rail vehicle energy management system.
The technical scheme that the utility model technical solution problem adopts is:
A kind of rail vehicle energy management system MVB communication device, comprise energy conservation module and MVB network interface card plate based on the mother baby plate structure, wherein energy conservation module is as motherboard, MVB network interface card plate is as daughter board, daughter board is provided with DPRAM and MVB buffer interface, it is characterized in that, MVB network interface card plate uses 96 core connectors to be connected with motherboard, DPRAM and MVB buffer interface interconnect, motherboard is by the I/O analog data bus, address bus and control bus carry out data manipulation to DPRAM in the network interface card plate, access mode is followed a unified network interface card plate access protocal, simultaneously, MVB buffer interface in MVB bus and the network interface card plate, DPRAM carries out data interaction respectively in MVB buffer interface and the network interface card plate, and network control system is connected with the network interface card plate by the MVB bus, thereby has realized the MVB communication of energy management system.
Further, as follows to the concrete agreement of DPRAM data access: DPRAM is divided into three districts: the coomand mode district is mainly network interface card plate information; The port arrangement district is mainly port configuration information, and every item size is 8 bytes; The port data district is mainly port data information; Port size single page mode 32 bytes; The pair of pages pattern is 64 bytes; Pair of pages pattern, each port account for 64 bytes, and preceding 32 bytes are the 0th page, and back 32 bytes are the 1st page.
Further, described energy conservation mould comprises system information port, state information port, fault message port and energy information port, by network interface card plate configuration software port address, port size, port polling cycle is arranged.
The utility model also provides a kind of energy storage type light rail car, it is characterized in that being mounted with above-mentioned MVB communication device.
The operation principle of communication device described in the utility model is: the utility model adopts the MVB two kind equipment ESD+ network interface cards based on the mother baby plate structure, the energy conservation module is by I/O interface simulation address bus, data/address bus, control bus is operated DPRAM in the network interface card plate, and the pair of pages pattern is adopted in operation, once visit can be operated 32 bytes, strengthened the speed of transfer of data, the existence of page pointer can guarantee that read-write can not occur in same one page, thereby avoided access conflict, therefore can satisfy energy management system big data quantity transmission requirement, guarantee the real-time of communication simultaneously; The utility model is classified by function to the MVB port, for the stronger data of real-time less port polling cycle is set, the status information data amount is bigger simultaneously, transmit according to display request module numbering, namely once only transmit module voltage and the temperature of a module, both guaranteed the real-time demonstration of data, prevented effectively again that network load was excessive.
Advantage of the present utility model is: (1) the utility model is intermediary with MVB network interface card plate, the energy conservation module is operated DPRAM in the network interface card plate by I/O interface simulation address bus, data/address bus, control bus, static RAM (SRAM) read or write speed very fast (read and write a byte and only need the number microsecond), working stability, adopt the pair of pages pattern that DPRAM is read and write, once visit can be operated 32 bytes, and because the existence of page pointer, can guarantee that read-write access conflict can not take place, and has strengthened the speed of transfer of data.Can satisfy energy management system big data quantity transmission requirement, guarantee the real-time of communication simultaneously.
(2) the utility model can carry out flexible configuration to the MVB port by the PC upper computer software.The MVB port is classified according to function, require stronger data for real-time, less port polling cycle can be set, the status information data amount is bigger simultaneously, can transmit by display corresponding requests mould group number, namely once only transmit module voltage and the temperature of a module, both guaranteed the real-time demonstration of data, prevent effectively that again network load is excessive.Can carry out port data by super communicating terminal checks with the DPRAM area data of appointment and checks that the debugging of MVB communication is convenient in operations such as port data pressure.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1-energy conservation module; 2-MVB network interface card plate; 3-DPRAM; The 4-MVB buffer interface; The 5-MVB bus; The 6-network control system.
Embodiment
Further set forth the technical solution of the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of rail vehicle energy management system MVB communication device, comprise based on mother baby plate structure energy conservation module 1 and MVB network interface card plate 2, wherein energy conservation module 1 is as motherboard, MVB network interface card plate 2 is as daughter board, daughter board is provided with DPRAM 3 and MVB buffer interface 4, it is that energy conservation module 1 is connected with motherboard that MVB network interface card plate 2 uses 96 core connectors, DPRAM 3 and MVB buffer interface 4 interconnect, motherboard is that energy conservation module 1 is by the I/O analog data bus, address bus and control bus carry out data manipulation to DPRAM 3 in the network interface card plate 2, access mode is followed a unified network interface card plate access protocal, simultaneously, MVB bus 5 and MVB network interface card plate 2 interior MVB buffer interfaces 4, MVB buffer interface 4 carries out data interaction respectively with network interface card plate 2 interior DPRAM 3, network control system 6 is connected with network interface card plate 2 by MVB bus 5, thereby has realized the MVB communication of energy management system.
The utility model is as follows to the concrete agreement of DPRAM data access: DPRAM is divided into three districts: the coomand mode district is mainly network interface card plate information; The port arrangement district is mainly port configuration information, and every item size is 8 bytes; The port data district is mainly port data information; Port size single page mode 32 bytes; The pair of pages pattern is 64 bytes; Pair of pages pattern, each port account for 64 bytes, and preceding 32 bytes are the 0th page, and back 32 bytes are the 1st page.
Energy conservation mould described in the utility model comprises system information port, state information port, fault message port and energy information port, by network interface card plate configuration software port address, port size, port polling cycle is arranged.
A kind of energy storage type light rail car is mounted with above-mentioned MVB communication device.
Advantage of the present utility model is: (1) the utility model is intermediary with MVB network interface card plate, the energy conservation module is operated DPRAM in the network interface card plate by I/O interface simulation address bus, data/address bus, control bus, static RAM (SRAM) read or write speed very fast (read and write a byte and only need the number microsecond), working stability, adopt the pair of pages pattern that DPRAM is read and write, once visit can be operated 32 bytes, and because the existence of page pointer, can guarantee that read-write access conflict can not take place, and has strengthened the speed of transfer of data.Can satisfy energy management system big data quantity transmission requirement, guarantee the real-time of communication simultaneously.
(2) the utility model can carry out flexible configuration to the MVB port by the PC upper computer software.The MVB port is classified according to function, require stronger data for real-time, less port polling cycle can be set, the status information data amount is bigger simultaneously, can transmit by display corresponding requests mould group number, namely once only transmit module voltage and the temperature of a module, both guaranteed the real-time demonstration of data, prevent effectively that again network load is excessive.Can carry out port data by super communicating terminal checks with the DPRAM area data of appointment and checks that the debugging of MVB communication is convenient in operations such as port data pressure.
Above-mentioned execution mode only is preferred implementation of the present utility model; those of ordinary skills do not break away from do under the enlightenment of the utility model essence and technology do not have novelty and creationary distortion and a retouching; all should be considered as within protection range of the present utility model, protection range of the present utility model is specifically decided on its claims.
Claims (3)
1. rail vehicle energy management system MVB communication device, comprise energy conservation module and MVB network interface card plate based on the mother baby plate structure, wherein energy conservation module is as motherboard, MVB network interface card plate is as daughter board, daughter board is provided with DPRAM and MVB buffer interface, it is characterized in that, MVB network interface card plate uses 96 core connectors to be connected with motherboard, DPRAM and MVB buffer interface interconnect, motherboard is by the I/O analog data bus, address bus and control bus carry out data manipulation to DPRAM in the network interface card plate, access mode is followed a unified network interface card plate access protocal, simultaneously, MVB buffer interface in MVB bus and the network interface card plate, DPRAM carries out data interaction respectively in MVB buffer interface and the network interface card plate, and network control system is connected with the network interface card plate by the MVB bus, thereby has realized the MVB communication of energy management system.
2. according to the described a kind of rail vehicle energy management system MVB communication device of claim 1, it is characterized in that, described energy conservation mould comprises system information port, state information port, fault message port and energy information port, by network interface card plate configuration software port address, port size, port polling cycle is arranged.
3. an energy storage type light rail car is characterized in that being mounted with any described MVB communication device of claim 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094128 CN203151532U (en) | 2013-03-01 | 2013-03-01 | Multifunction vehicle bus (MVB) communication equipment for rail vehicle energy management system and energy storage type light rail vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094128 CN203151532U (en) | 2013-03-01 | 2013-03-01 | Multifunction vehicle bus (MVB) communication equipment for rail vehicle energy management system and energy storage type light rail vehicle |
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| Publication Number | Publication Date |
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| CN203151532U true CN203151532U (en) | 2013-08-21 |
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| CN 201320094128 Expired - Lifetime CN203151532U (en) | 2013-03-01 | 2013-03-01 | Multifunction vehicle bus (MVB) communication equipment for rail vehicle energy management system and energy storage type light rail vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859668A (en) * | 2015-02-13 | 2015-08-26 | 株洲南车时代电气股份有限公司 | Energy storage type traction system |
| CN112311637A (en) * | 2019-08-02 | 2021-02-02 | 中车株洲电力机车研究所有限公司 | MVB line redundancy switching method and system and vehicle |
-
2013
- 2013-03-01 CN CN 201320094128 patent/CN203151532U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859668A (en) * | 2015-02-13 | 2015-08-26 | 株洲南车时代电气股份有限公司 | Energy storage type traction system |
| CN104859668B (en) * | 2015-02-13 | 2017-06-16 | 株洲南车时代电气股份有限公司 | Energy storage type trailer system |
| CN112311637A (en) * | 2019-08-02 | 2021-02-02 | 中车株洲电力机车研究所有限公司 | MVB line redundancy switching method and system and vehicle |
| CN112311637B (en) * | 2019-08-02 | 2021-12-03 | 中车株洲电力机车研究所有限公司 | MVB line redundancy switching method and system and vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhongche Times Electric Vehicle Co.,Ltd. Address before: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: HUNAN CRRC TIMES ELECTRIC VEHICLE Co.,Ltd. Address after: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: HUNAN CRRC TIMES ELECTRIC VEHICLE Co.,Ltd. Address before: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: HUNAN CSR TIMES ELECTRIC VEHICLE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
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| CX01 | Expiry of patent term |