CN206850790U

CN206850790U - rail vehicle

Info

Publication number: CN206850790U
Application number: CN201720572354.2U
Authority: CN
Inventors: 白龙; 闫宁; 王建强
Original assignee: CRRC Dalian R&D Co Ltd
Current assignee: CRRC Dalian R&D Co Ltd
Priority date: 2017-05-22
Filing date: 2017-05-22
Publication date: 2018-01-05
Anticipated expiration: 2027-05-22

Abstract

The utility model embodiment provides a kind of rail vehicle.The rail vehicle includes central processing unit, the first equipment, the second equipment and MVB；First equipment includes MVB interfaces；Second equipment includes wave point；Wherein, the central processing unit, it is connected respectively with the wave point and the MVB interfaces, the first data sent for receiving first equipment by the MVB and the MVB interfaces, and conversion process is carried out to first data, the first data after conversion are sent to second equipment by the wave point；Or the second data that second equipment is sent by the wave point are received, and conversion process is carried out to second data, the second data after conversion are sent to first equipment by the MVB interfaces and the MVB.

Description

Rail vehicle

Technical field

The utility model embodiment is related to train communication technical field, more particularly to a kind of rail vehicle.

Background technology

With China Express Railway and the fast development of urban track traffic, TCN (Train Communication Network；Hereinafter referred to as：TCN application) ON TRAINS is more and more extensive.MVB (Multifunction Vehicle Bus；Hereinafter referred to as：MVB) be used as a kind of TCN, be mainly used in have interoperability and mutually Serial data communication is carried out between the interconnection equipment of transsexual requirement, available for fixed equipment in connection vehicle.

In addition, for the vehicle using MVB train networks, it is necessary to each fixed equipment is respectively provided with MVB interfaces in vehicle, come Realize the data transfer between fixed equipment.But most of fixed equipment at present in vehicle does not have MVB interfaces, but it is more Using RS485 interfaces, certain requirement during due in order to meet maintenance personal's work to reservation operations space, and consider part The less limitation of vehicle chassis space itself, therefore, the inconvenience of the installation to RS485 interface connection cables is result in, and The problem of process is more.

Utility model content

The utility model embodiment provides a kind of rail vehicle, to solve in the prior art when using RS485 interfaces, to make Into the problem of the installation of its connection cables is inconvenient, process is more.

The utility model embodiment provides a kind of rail vehicle, and applied to TCN, it includes：

Central processing unit, the first equipment, the second equipment and MVB；First equipment includes MVB interfaces；It is described Second equipment includes wave point；Wherein,

The central processing unit, it is connected with the wave point and the MVB interfaces, is set for receiving described first respectively Standby the first data sent by the MVB and the MVB interfaces, and conversion process is carried out to first data, with The first data after conversion are sent to second equipment by the wave point；Or receive second equipment and lead to The second data that the wave point is sent are crossed, and conversion process is carried out to second data, by the second number after conversion First equipment is sent to according to by the MVB interfaces and the MVB.

Preferably, the central processing unit includes：

CPU, be connected respectively with the wave point and the MVB interfaces, for first data or Second data carry out conversion process；

Data processing unit, it is connected with the CPU, is asked for reception processing, the processing request bag Pending data is included, and the pending data is carried out after correspondingly analyzing and processing, the result of acquisition is sent to institute State CPU；

The CPU, it is additionally operable to send the result by the MVB interfaces and the MVB Second equipment is sent to first equipment, or by the wave point.

Preferably, the wave point can include following a kind of：Infrared interface and blue tooth interface.

Preferably, the infrared interface is TFDU4301 infrared transceivers.

Preferably, the MVB interfaces are DB9 connectors.

Preferably, in addition to：Charger, it is connected with the central processing unit, the first equipment and the second equipment, for institute State central processing unit, the first equipment and the power supply of the second equipment.

The rail vehicle that the utility model embodiment provides, applied to TCN, including central processing unit, first Equipment, the second equipment and MVB；First equipment includes MVB interfaces；Second equipment includes wave point；Wherein, centre Reason device is connected respectively with wave point and MVB interfaces, for receiving the first equipment the by MVB and the transmission of MVB interfaces One data, and conversion process is carried out to the first data, the first data after conversion are sent to second by wave point and set It is standby；Or the second data that the second equipment is sent by wave point are received, and conversion process is carried out to the second data, will The second data after conversion are sent to the first equipment by MVB interfaces and MVB, thus come realize data in the first equipment and Transmission between second equipment.Because the first equipment and the second equipment can be entered by its corresponding MVB interfaces and wave point Row data transfer, therefore, compared in the prior art, realize that the data between equipment pass using RS485 interfaces and MVB interfaces For defeated, it can not only meet certain requirement to reservation operations space when maintenance personal works, also solve installation procedure and answer The problem of miscellaneous.

Brief description of the drawings

Fig. 1 is the structural representation for the rail vehicle that the utility model embodiment one provides；

Fig. 2 is the structural representation for the rail vehicle that the utility model embodiment two provides；

Fig. 3 is the circuit theory schematic diagram for the central processing unit that the utility model embodiment three provides；

Fig. 4 is the circuit theory schematic diagram for the partial data processing unit that the utility model embodiment three provides；

Fig. 5 is the circuit theory schematic diagram for another part data processing unit that the utility model embodiment three provides；

Fig. 6 is the circuit theory schematic diagram for the infrared interface that the utility model embodiment three provides；

Fig. 7 is the circuit theory schematic diagram for the MVB interfaces that the utility model embodiment three provides.

Embodiment

To make the technical solution of the utility model and advantage clearer, below in conjunction with the utility model embodiment Accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is that this practicality is new Type part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belong to the scope of the utility model protection.

Embodiment one

Fig. 1 is the structural representation for the rail vehicle that the utility model embodiment one provides, as shown in figure 1, rail vehicle Applied to TCN, it includes：Central processing unit 11, the first equipment 12, the second equipment 13 and MVB 14；The One equipment 12 includes MVB interfaces 15；Second equipment 13 includes wave point 16；Wherein, central processing unit 11, with wave point 16 Connected respectively with MVB interfaces 15, the first data sent for receiving the first equipment 12 by MVB 14 and MVB interfaces 15, And conversion process is carried out to the first data, the first data after conversion are sent to the second equipment 13 by wave point 16； Or the second data that the second equipment 13 is sent by wave point 16 are received, and conversion process is carried out to the second data, will The second data after conversion are sent to the first equipment 12 by MVB interfaces 15 and MVB 14.

In the present embodiment, because the first equipment 12 and the second equipment 13 can pass through its corresponding MVB interface 15 and nothing Line interface 16 carries out data transmission, and therefore, compared in the prior art, equipment is realized using RS485 interfaces and MVB interfaces 15 Between data transfer for, can not only meet certain requirement to reservation operations space during maintenance personal's work, also solve The problem of installation procedure complexity.

Embodiment two

Fig. 2 is the structural representation for the rail vehicle that the utility model embodiment two provides, in above-mentioned embodiment illustrated in fig. 1 On the basis of one, as shown in Fig. 2 the central processing unit 11 can include：CPU 110 and data processing unit 111. Specifically, CPU 110 is connected respectively with wave point 16 and MVB interfaces 15, for being counted to the first data or second According to progress conversion process；Data processing unit 111 is connected with CPU 110, is asked for reception processing, and processing please Ask including pending data, and pending data is carried out after correspondingly analyzing and processing, during the result of acquisition is sent to Central Processing Unit 110；CPU 110 is additionally operable to result being sent to by MVB interfaces 15 and MVB 14 One equipment 12, or the second equipment 13 is sent to by wave point 16.

For rational division of work, avoid central processing unit 11 causes computing slow because task is excessive, in the present embodiment, CPU 110 is used for change data and task is distributed, and data processing unit 111 is used to receive CPU The 110 processing requests sent and analyzing and processing data, and result is sent to CPU 110, then by center Processing unit 110 is transmitted by MVB interfaces 15 or wave point 16.CPU 110 can in this course To carry out data conversion and transmission, data processing unit 111 can analyze and process to data, so as to avoid all working The problems such as concentrating on CPU 110 to handle, and causing load increase.

Further, wave point 16 can be infrared interface or blue tooth interface, you can to use bluetooth and infrared etc. Mode carries out data transmission.

Further, the rail vehicle also includes：Charger (not shown), with the central processing unit 11, the first equipment 12 and second equipment 13 connect, for being powered to central processing unit 11, the first equipment 12 and the second equipment 13.

The rail vehicle provided by the utility model for possessing above-mentioned function can pass through various chips combination peripheral circuit To realize, one of which preferred embodiment is described as follows.

Embodiment three

Fig. 3-Fig. 7 is the physical circuit principle signal of each part in the rail vehicle that the utility model embodiment three provides Figure.

Fig. 3 is the circuit theory schematic diagram for the CPU 110 that the utility model embodiment three provides, Fig. 4 and Fig. 5 The circuit theory schematic diagram of the data processing unit 111 provided for the utility model embodiment three, as shown in Figures 3 to 5, in this 1-5,57-60 pin of Central Processing Unit 110 are connected by data processing unit 111 with MVB 14 and MVB interfaces 15, from And realize the connection with the first equipment 12.47,48 pins of the CPU 110 can with it is as shown in Figure 6 PC10, PC11 pin of TFDU4301 infrared transceivers are connected, so as to realize the connection with the second equipment 13.The data processing Unit 111 can be according to the FPGA process circuits shown in Fig. 4 and Fig. 5, specifically, 1-5,38-41,56- of CPU 110 62nd, 81,82,85,86 pins and FPGA process circuits 11,12,26,27,29,30,32-35,75,78-80,99-105 connect Connect, processing request is sent to FPGA process circuits so as to realize, carried out accordingly so that FPGA process circuits handle it request Processing.

Fig. 6 is the circuit theory schematic diagram for the infrared interface that the utility model embodiment three provides, as shown in fig. 6, it is preferred that Ground, the wave point 16 can be infrared interface, specifically, the infrared interface can be specially TFDU4301 infrared transceivers, It is powered by 3.3V on plate.Wherein, TFDU4301 infrared transceivers can pass through PC10, PC11 pin and central processing unit 11 Connection, meanwhile, data exchange is carried out in a serial fashion, and IrDA1.2 standards are followed, highest communication speed can reach 115.2Kbps.Because the TFDU4301 infrared transceivers are low-voltage infrared transceiver, hence in so that easy to connect, simple easy With, and save power consumption.

Fig. 7 is the circuit theory schematic diagram for the MVB interfaces 15 that the utility model embodiment three provides, as shown in fig. 7, it is preferred that Ground, MVB interfaces 15 can be DB9 connectors, wherein, CPU 110 by data processing unit 111 and part U22, U24, U32, U34 and DB9 connector are connected to realize the transmitting-receiving of data.

In the present embodiment, the transmitting-receiving of data is realized using DB9 connectors, ensures the proper communication of whole system, separately Outside, it due to using DB9 connectors, therefore can make it that installation is simple, and reduce cost, additionally it is possible to ensure stably to pass at a high speed Transmission of data.

Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each functional module Division progress for example, in practical application, can be complete by different functional modules by above-mentioned function distribution as needed Into the internal structure of device being divided into different functional modules, to complete all or part of function described above.On The specific work process of the device of description is stated, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims

A kind of 1. rail vehicle, applied to TCN, it is characterised in that including：Central processing unit, the first equipment, Two equipment and MVB；First equipment includes MVB interfaces；Second equipment includes wave point；Wherein,

The central processing unit, it is connected with the wave point and the MVB interfaces, leads to for receiving first equipment respectively The MVB and the first data of MVB interfaces transmission are crossed, and conversion process is carried out to first data, will be turned The first data after changing are sent to second equipment by the wave point；Or receive second equipment and pass through institute The second data of wave point transmission are stated, and conversion process is carried out to second data, the second data after conversion are led to Cross the MVB interfaces and the MVB is sent to first equipment.
2. rail vehicle according to claim 1, it is characterised in that the central processing unit includes：

CPU, it is connected respectively with the wave point and the MVB interfaces, for first data or described Second data carry out conversion process；

Data processing unit, it is connected with the CPU, is asked for reception processing, the processing request includes treating Processing data, and to the pending data carry out correspondingly analyze and process after, by the result of acquisition be sent to it is described in Central Processing Unit；

The CPU, it is additionally operable to the result being sent to institute by the MVB interfaces and the MVB The first equipment is stated, or second equipment is sent to by the wave point.
3. rail vehicle according to claim 1 or 2, it is characterised in that the wave point can include following a kind of： Infrared interface and blue tooth interface.
4. rail vehicle according to claim 3, it is characterised in that the infrared interface is TFDU4301 infrared receiving/transmissions Device.
5. rail vehicle according to claim 1, it is characterised in that the MVB interfaces are DB9 connectors.
6. rail vehicle according to claim 1, it is characterised in that also include：

Charger, it is connected with the central processing unit, the first equipment and the second equipment, for the central processing unit, first Equipment and the power supply of the second equipment.