The utility model content
For the defective of above-mentioned prior art, the utility model provides a kind of train Central Processing Unit (CPU), to realize the real-time radio transmission of fault data, improves the reliability of train operation.
The utility model provides a kind of train Central Processing Unit (CPU), comprising:
The receptor that is used for the fault data of reception train data recording instrument transmission;
Be used for described fault data is carried out the first processor of encapsulation process, described first processor links to each other with described receptor;
The Wireless Transmitter of the fault data wireless transmission watch-dog after being used for encapsulating, described Wireless Transmitter links to each other with described first processor.
Aforesaid train Central Processing Unit (CPU), described Wireless Transmitter are wireless fidelity module.
Aforesaid train Central Processing Unit (CPU), described Wireless Transmitter is for adopting the transmitter of GPRS (General Packet Radio Service), the evolution of enhanced data rates global system for mobile communications or third generation partner program Long Term Evolution.
Aforesaid train Central Processing Unit (CPU), be used for by described Wireless Transmitter receiving remote monitored instruction, according to described remote monitor and control instruction train information is carried out encapsulation process, and with second treater of the train information after the encapsulation process by the Wireless Transmitter transmission, described the second treater links to each other with described Wireless Transmitter.
The train Central Processing Unit (CPU) that the utility model provides, by adopting the fault data after Wireless Transmitter will encapsulate to send watch-dog, avoided service personnel to download the historical failure record from each train, thereby reduced the work capacity of service personnel, also can monitor in real time train.
The specific embodiment
A kind of train Central Processing Unit (CPU) structural representation that Fig. 1 provides for the utility model embodiment.As shown in Figure 1, the train Central Processing Unit (CPU) that provides of the utility model embodiment specifically comprises:
The receptor 101 that is used for the fault data of reception train data recording instrument transmission;
Be used for described fault data is carried out the first processor 102 of encapsulation process, described first processor 102 links to each other with described receptor 101;
The Wireless Transmitter 103 of the fault data wireless transmission watch-dog after being used for encapsulating, described Wireless Transmitter 103 links to each other with described first processor 102.
Particularly, the train data recording instrument can be a data memory, this train data recording instrument can receive and train car in the train information that sends of subsystems, comprise fault data in this train information.This train data recording instrument sends to the train Central Processing Unit (CPU) with fault data, and the train Central Processing Unit (CPU) receives this fault data by receptor 101.This receptor 101 is concrete to link to each other with the train data recording instrument by MVBs (Multifunction Vehicle Bus is called for short MVB), with communicating by letter of realization and train data recording instrument.
First processor 102 specifically can adopt central process unit (Central Processing Unit, be called for short CPU) realize, first processor 102 becomes to meet the data packet of transmission over radio with this fault data encapsulation process, and the fault data after will encapsulating by Wireless Transmitter 103 is wirelessly sent to watch-dog.Correspondingly, also be provided with wireless transport module on the watch-dog, to receive fault data, realize failure data analysis.Service personnel can also be controlled train according to the analysis result of above-mentioned analysis, for example by this watch-dog by transmission over radio to train Central Processing Unit (CPU) sending controling instruction, the train Central Processing Unit (CPU) receives this control command by Wireless Transmitter 103,102 pairs of these control commands of first processor are resolved, and the control subsystems is correspondingly processed.
The train Central Processing Unit (CPU) that the utility model provides, by the setting of Wireless Transmitter, can with the fault data real-time radio of train send to watch-dog, service personnel can receive fault data by watch-dog, and analyze in real time, improved the reliability of train operation.And service personnel does not need to download the historical failure record the train Central Processing Unit (CPU) from each train, has greatly reduced the work capacity of service personnel.
In the present embodiment, described Wireless Transmitter 103 is specifically as follows Wireless Fidelity (Wireless Fidelity is called for short Wi-Fi) module.The antenna of this Wi-Fi module can for built-in also can be for peripheral hardware.The Wi-Fi module can communicate with mode and the first processor 102 of Universal Asynchronous Receiver ﹠ sending set (Universal Asynchronous Receiver/Transmitter), and this communication specifically meets the IEEE802.11b/g/n agreement.
In the present embodiment, described Wireless Transmitter 103 is specifically as follows the transmitter that adopts GPRS (General Packet Radio Service) (General Packet Radio Service), enhanced data rates global system for mobile communications evolution (Enhanced Data Rate for GSM Evolution) or third generation partner program Long Term Evolution (Long Term Evolution).
In the present embodiment, described Wireless Transmitter 103 can also be for adopting the transmitter of evolved high-speed packet access (High-Speed Packet Access Evolution) and ViMax.
The utility model embodiment provides the way of realization of above-mentioned Wireless Transmitter 103, and still, this Wireless Transmitter 103 can also adopt other wireless communication technologys, is not limited with the present embodiment.Correspondingly, the watch-dog that carries out radio communication with this train Central Processing Unit (CPU) is provided with corresponding Wireless Transmitter.
The structural representation of the another kind of train Central Processing Unit (CPU) that Fig. 2 provides for the utility model embodiment.As shown in Figure 2, in the present embodiment, this train Central Processing Unit (CPU) can also comprise: be used for by described Wireless Transmitter 103 receiving remote monitored instructions, and according to second treater 104 of described remote monitor and control instruction by Wireless Transmitter 103 transmission train informations, described the second treater 104 links to each other with described Wireless Transmitter 103.
Particularly, this second treater 104 also can adopt CPU to realize.The second treater 104 can adopt same CPU to realize with first processor 102.The remote monitor and control instruction is specifically as follows watch-dog or other wayside equipments and this train Central Processing Unit (CPU) is carried out the instruction of remote monitor and control to what the train Central Processing Unit (CPU) sent in order to indication.The train Central Processing Unit (CPU) receives this remote monitor and control instruction by Wireless Transmitter 103, the second treater 104 is according to this remote monitor and control instruction, train information is carried out encapsulation process, and the train information after the encapsulation process sent to watch-dog by Wireless Transmitter 103, to realize that watch-dog is to the remote monitor and control of train Central Processing Unit (CPU).
The train Central Processing Unit (CPU) that the utility model provides, by adopting the second treater and Wireless Transmitter, can make service personnel pass through monitoring equipment and receive in real time train information, by train information being analyzed the monitoring that realizes the state of train subsystems.
In actual application, the train Central Processing Unit (CPU) can also comprise CCU cabinet, power panel, interface board (Base Board), JTAG(Joint Test Action Group) plate and CPU board etc.
Wherein, the train Central Processing Unit (CPU) is supported the input of two-way DC power supply, and the two-way power supply can work alone, and also can work simultaneously.And the redundant dc power module of this two-way satisfies the test specification that " during power supply hit 10ms, needs keeping system work " among the EN50155.
Interface board (Base Board) comprises 1 10Base-T/100Base-Tx Ethernet Ethernet interface, two serial ports that are used for debugging, and 2 DB-9 MVBs (Multifunction Vehicle Bus) interface.
Particularly, Ethernet interface can be used for communicating with the locomotive communication network.Because this Ethernet interface adopts the M12 connector, so the netting twine that is connected with this Ethernet interface also must have the M12 plug.This netting twine can use shielding netting wire.Wherein, the hardware address of network interface (Media Access Control) can carry out burning according to client's needs when dispatching from the factory.2 serial ports can connect final terminal or PC carries out the system software debugging, and this serial ports can adopt RS-232.2 DB-9MVB interfaces adopt DB-9F and two kinds of interface modes of DB-9M.Wherein the MVB cable must use shielded cable.
The JTAG plate mainly comprises a USB (Universal Serial BUS is called for short USB) 1.1/2.0 interface, and this interface adopts USB TYPE-A connector.
CPU board mainly comprises 256Mbyte random access memory (Random Access Memory) and 2048Mbyte flash memory (Flash Memory).
For convenient the train Central Processing Unit (CPU) is managed and uses, also be provided with a Male type Ethernet interface on this train Central Processing Unit (CPU) front panel, two Female type serial ports, two Female/Male type MVB interfaces and a Male type power port and 7 indicator lamps.Arranging of indicator lamp specifically can be with reference to table 1.
Table 1
Can also comprise an address switch of 16 in service panel (service pannel) in the front panel, in order to the set device address.
In order when system's appearance is crashed, to carry out system's hard reset, also be provided with the local reset switch in the train Central Processing Unit (CPU), to carry out hard reset.The train Central Processing Unit (CPU) is also supported the input of remote system reset switch signal, this signal is 110V DC signal, be used for the reset signal that the driving position reset button on the response train sends, when reset signal greater than 72V DC, time length during greater than 0.5 second, system also can automatically re-power and reset.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, 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 puts down in writing, and perhaps some or all of 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 scope of each embodiment technical scheme of the utility model.