CN201544888U - Multifunctional vehicle bus master equipment - Google Patents
Multifunctional vehicle bus master equipment Download PDFInfo
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- CN201544888U CN201544888U CN2009202724515U CN200920272451U CN201544888U CN 201544888 U CN201544888 U CN 201544888U CN 2009202724515 U CN2009202724515 U CN 2009202724515U CN 200920272451 U CN200920272451 U CN 200920272451U CN 201544888 U CN201544888 U CN 201544888U
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- control module
- interface card
- main equipment
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Abstract
The utility model provides multifunctional vehicle bus master equipment. The multifunctional vehicle bus master equipment comprises a control module, an interface card and a multifunctional vehicle bus, wherein the control module is connected with the interface card, and the interface card is connected with the multifunctional vehicle bus; the an operating system is embedded in the control module and is used for sending control commands to the interface card, the interface card receives the control commands sent by the control module and sends the control commands to multifunctional vehicle bus slave equipment through the multifunctional vehicle bus; the interface card receives and converts signals sent by the multifunctional vehicle bus, and stores the converted signals, so as to enable the control module to access the converted signal data stored in the interface card. The multifunctional vehicle bus master equipment can realize the main control function by embedding the operating system therein, and the master equipment has a simple structure and is easy to realize.
Description
Technical field
The utility model relates to total line control field, relates in particular to a kind of MVB main equipment.
Background technology
Adopt MVB (Multifunction Vehicle Bus, hereinafter to be referred as MVB) equipment in a lot of occasions such as train control system application is arranged all, MVB equipment comprises MVB main equipment and MVB slave unit, by the MVB main equipment MVB slave unit is controlled to realize the controllable function of system.
At present, the MVB main equipment mostly adopts the center processing unit of embedded system as equipment, bears most of data handing of MVB main equipment and Control work.The processor core of MVB main equipment is a singlechip chip, and the two-forty computing can't be provided, and adopts this design, all fails to satisfy requirements on hardware or software.
Along with improving constantly that Industry Control requires, the MVB main equipment not only need stablize on hardware and work apace, also must guarantee information on software can be effectively, transmit reliably.In the MVB main equipment, adopt operating system very necessary.
Even the MVB main equipment of present domestic employing operating system is immature, operating system transplantation is bigger to the difficulty of MVB main equipment, be not easy to realize.
The utility model content
The utility model provides a kind of MVB main equipment, can realize master control function by Embedded Operating System, and main equipment is simple in structure, is easy to realize.
The utility model provides a kind of MVB main equipment, comprising: control module, interface card and MVB, and described control module is connected with described interface card, and described interface card is connected with described MVB;
Embedded Operating System in the described control module, to the interface card transmitting control commands, described interface card receives the control command that described control module sends, and by described MVB described control command is sent to the MVB slave unit;
Described interface card also receives the signal that MVB sends, and signal after the conversion is changed and stored to described signal, visits the signal data after the described conversion of described interface card storage for described control module.
The operating system of described embedding is the VxWorks system.
Described control module is connected with described interface card by the PC/104 bus.
Described interface card comprises: driving circuit, protocol controller and communication memory;
Described driving circuit is connected with described MVB, receives the serial signal of MVB, and described serial signal is carried out sending to described protocol controller after driving circuit is handled;
Described protocol controller is connected with described driving circuit, receives the serial signal that described driving circuit sends, and sends to communication memory after described serialization signal is converted to parallel data;
Described communication memory is connected with described protocol controller, stores the parallel data that described protocol controller sends.
Described communication memory is connected with described control module by described PC/104 bus, visits canned data in the described communication memory for described control module.
Described control module comprises Ethernet interface, and described control module receives configuration information and master control program in-to-in monitor message by described Ethernet interface.
Described control module also comprises: with described PC/104 bus bonded assembly treater; With described treater bonded assembly serial ports, Integrated Device Electronics interface, keyboard and mouse interface, parallel port and video interface.
MVB main equipment of the present utility model is realized master control function by Embedded Operating System, by interface card and MVB control command is sent to the MVB slave unit, to realize control to slave unit, main equipment is simple in structure, be easy to realize, can stablize fast speed work, also have good alerting ability and expandability simultaneously, have very high practical value.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model MVB main equipment;
Fig. 2 is the structural representation of the control module of the utility model MVB main equipment;
Fig. 3 is the structural representation of the interface card of the utility model MVB main equipment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the utility model is protected.
Fig. 1 is the structural representation of the utility model MVB main equipment, and the MVB main equipment of present embodiment is supported operating system, and is easy to realize.As shown in Figure 1, this MVB main equipment can comprise: control module 1, and interface card 2 and MVB bus 3, control module 1 links to each other with interface card 2, and interface card 2 links to each other with MVB bus 3.
Wherein, embed operating system in the control module 1, realized the controllable function of total system by control module 1.At down direction, this control module 1 is to interface card 2 transmitting control commands, and interface card 2 receives the control command that control module 1 sends, and by MVB bus 3 this control command is sent to the MVB slave unit; Realized of the control of MVB main equipment thus, realized the single-piece controllable function the MVB slave unit.
On the other hand, at up direction, each MVB slave unit is undertaken by MVB bus 3 and MVB main equipment alternately.Interface card 2 receives the signal that MVB bus 3 sends, signal data after the conversion is changed and stored to this signal, for the signal data after the conversion of control module 1 access interface card 2 storages, the signal of having realized MVB bus and control convenience thus is mutual, has realized the mutual of MVB main equipment and MVB slave unit.
Above-mentioned MVB main equipment is simple in structure, is easy to realize, is supported in the MVB main equipment Embedded Operating System to realize the control of MVB main equipment to the MVB slave unit.
Further, control module 1 can be Eurotech CPU-1452 platform, and the operating system of embedding can be the VxWorks system.Can connect by the PC/104 bus between control module 1 and the interface card 2.
The VxWorks system can provide between multiprocessor and the socket of signal, message queue, pipeline, network readezvous point efficiently between task.Vxworks operating system is made up of more than 400 object modules relatively independent, short and small refining, and the user can select suitable module to come cutting and configuration-system as required, has guaranteed the safety and the reliability of system effectively.In addition, vxworks operating system possesses real-time kernel efficiently, comprise task scheduling, tasks synchronization based on priority and communicate by letter, interrupt handling, timer and memory management, come the degree of utilization of logger task by the run timing device to CPU, the operation of arrangement task rationally, given suitable task attribute has improved running velocity and efficient effectively.
Hence one can see that, and the MVB main equipment adopts Eurotech CPU-1452 platform, and embeds the VxWorks system, can make the MVB main equipment stablize fast speed and carry out control task, and make the MVB main equipment also have better alerting ability and expandability on software.
Fig. 2 is the structural representation of the control module of the utility model MVB main equipment, and as shown in Figure 2, this control module 1 can comprise: with PC/104 bus bonded assembly treater; With this treater bonded assembly Ethernet interface, serial ports, Integrated Device Electronics (Integrated Device Electronics is hereinafter to be referred as IDE) interface, keyboard and mouse interface, parallel port and video interface.In addition, also comprise memory device such as synchronous dynamic random access memory (DRAM) (Synchronous Dynamic Random Access Memory is hereinafter to be referred as SDRAM) etc.
Control module 1 receives configuration information and master control program in-to-in monitor message by Ethernet interface, makes the MVB main equipment to realize equipment disposition by network, and to the monitoring of master control program internal information.
Control module 1 is by self serial ports, parallel port, interface, ide interface, keyboard and mouse interface, video interface etc., can expand external equipment according to real needs easily, as equipment such as telltale, keyboard and mouse, data acquisition module and WatchDog Timers.Expanded the function of MVB main equipment thus.
Fig. 3 is the structural representation of the interface card of the utility model MVB main equipment, and as shown in Figure 3, this interface card 2 can comprise: driving circuit 21, protocol controller 22 and communication memory 23.
In aforesaid technical scheme, the utility model MVB main equipment has following technique effect: MVB main equipment of the present utility model is realized master control function by Embedded Operating System, by interface card and MVB bus control command is sent to the MVB slave unit, to realize control to the MVB slave unit, this MVB main equipment is simple in structure, is easy to realize, can stablize fast speed work, simultaneously also have good alerting ability and expandability, have very high practical value.
It will be appreciated by those skilled in the art that accompanying drawing is the scheme drawing of a preferred embodiment, the module in the accompanying drawing might not be that enforcement the utility model is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, 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: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (7)
1. a MVB main equipment is characterized in that, comprising: control module, interface card and MVB, and described control module is connected with described interface card, and described interface card is connected with described MVB;
Embedded Operating System in the described control module, to the interface card transmitting control commands, described interface card receives the control command that described control module sends, and by described MVB described control command is sent to the MVB slave unit;
Described interface card also receives the signal that MVB sends, and signal after the conversion is changed and stored to described signal, visits the signal data after the described conversion of described interface card storage for described control module.
2. MVB main equipment according to claim 1 is characterized in that, the operating system of described embedding is the VxWorks system.
3. MVB main equipment according to claim 1 is characterized in that, described control module is connected with described interface card by the PC/104 bus.
4. MVB main equipment according to claim 1 is characterized in that, described interface card comprises: driving circuit, protocol controller and communication memory;
Described driving circuit is connected with described MVB, receives the serial signal of MVB, and described serial signal is carried out sending to described protocol controller after driving circuit is handled;
Described protocol controller is connected with described driving circuit, receives the serial signal that described driving circuit sends, and sends to communication memory after described serialization signal is converted to parallel data;
Described communication memory is connected with described protocol controller, stores the parallel data that described protocol controller sends.
5. according to claim 3 and 4 described MVB main equipments, it is characterized in that described communication memory is connected with described control module by described PC/104 bus, visits canned data in the described communication memory for described control module.
6. MVB main equipment according to claim 1 is characterized in that described control module comprises Ethernet interface, and described control module receives configuration information and master control program in-to-in monitor message by described Ethernet interface.
7. according to claim 3 and 6 described MVB main equipments, it is characterized in that described control module also comprises: with described PC/104 bus bonded assembly treater; With described treater bonded assembly serial ports, Integrated Device Electronics interface, keyboard and mouse interface, parallel port and video interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202724515U CN201544888U (en) | 2009-11-24 | 2009-11-24 | Multifunctional vehicle bus master equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202724515U CN201544888U (en) | 2009-11-24 | 2009-11-24 | Multifunctional vehicle bus master equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201544888U true CN201544888U (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202724515U Expired - Fee Related CN201544888U (en) | 2009-11-24 | 2009-11-24 | Multifunctional vehicle bus master equipment |
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| Country | Link |
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| CN (1) | CN201544888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717762A (en) * | 2012-05-15 | 2012-10-10 | 江西江铃汽车集团改装车有限公司 | Ethernet-based centralized controller for vehicles |
-
2009
- 2009-11-24 CN CN2009202724515U patent/CN201544888U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717762A (en) * | 2012-05-15 | 2012-10-10 | 江西江铃汽车集团改装车有限公司 | Ethernet-based centralized controller for vehicles |
| CN102717762B (en) * | 2012-05-15 | 2015-06-10 | 江西江铃汽车集团改装车有限公司 | Ethernet-based centralized controller for vehicles |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20111124 |