CN208937946U - A kind of gateway turning Ethernet for MVB - Google Patents
A kind of gateway turning Ethernet for MVB Download PDFInfo
- Publication number
- CN208937946U CN208937946U CN201821625957.5U CN201821625957U CN208937946U CN 208937946 U CN208937946 U CN 208937946U CN 201821625957 U CN201821625957 U CN 201821625957U CN 208937946 U CN208937946 U CN 208937946U
- Authority
- CN
- China
- Prior art keywords
- mvb
- ethernet
- fpga processor
- gateway
- circuit
- 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.)
- Active
Links
Landscapes
- Small-Scale Networks (AREA)
Abstract
The utility model relates to a kind of gateways for turning Ethernet for MVB, including FPGA processor, MVB transmission circuit, storage circuit, ethernet communication circuit and power module, the storage circuit to connect with FPGA processor；The ethernet communication circuit includes the Ethernet chip connecting with the FPGA processor；The MVB transmission circuit includes MVB communication controler and the MVB interface circuit connecting with MVB communication controler, and the MVB communication controler is connect with the FPGA processor；The power module is connect with the FPGA processor and MVB communication controler respectively.Compared with prior art, the utility model realizes that MVB information format to the high speed of ethernet format data, reliably conversion, meets requirement of the vehicle to high reliability using FPGA processor.
Description
Technical field
The utility model relates to a kind of gateways, more particularly, to a kind of gateway for turning Ethernet for MVB.
Background technique
MVB (Multifunction Vehicle Bus) vehicle bus is that train often uses bus, railway operation maintenance personnel
It is frequently necessary to be acquired its data in daily life.Commonly used equipment usually not MVB interface needs to turn MVB data
Changing other bus datas into can just be received.Ethernet interface is common port, has the advantages that speed is fast, at low cost, is excellent
Object.
With the continuous development of bussing technique, it is necessarily required to solve the interconnection problem between different bus, but MVB interface
Turn Ethernet, common solution is realized by arm processor or PC machine, this scheme usually exist it is several insufficiently
Side: first is that speed is slow, second is that complex interfaces and compatibility is general, third is that integrated level and poor reliability etc..
Utility model content
The purpose of this utility model is exactly to provide to overcome the above-mentioned slow defect of conversion speed of the existing technology
A kind of gateway turning Ethernet for MVB.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of gateway turning Ethernet for MVB, including FPGA processor, MVB transmission circuit, storage circuit, with
Too Network Communication circuit and power module, the storage circuit are connect with FPGA processor；The ethernet communication circuit include with
The Ethernet chip of the FPGA processor connection；The MVB transmission circuit includes MVB communication controler and leads to MVB
Believe that the MVB interface circuit of controller connection, the MVB communication controler are connect with the FPGA processor；The power module
It is connect respectively with the FPGA processor and MVB communication controler.
Preferably, the FPGA processor is further connected with watchdog circuit.
Preferably, the MVB communication controler passes through data line, address wire, read-write line, chip select line and the FPGA respectively
Processor connection.
Preferably, the FPGA processor uses XC5VFX50T model chip.
Preferably, the storage circuit includes Flash chip.
Preferably, the power module includes 3A low-dropout regulator and 800mA low-dropout regulator.
Compared with prior art, the utility model realizes MVB information format to ethernet format number using FPGA processor
According to high speed, reliable conversion, meet requirement of the vehicle to high reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
It is marked in figure: 1, FPGA processor, 2, Flash chip, 3, Ethernet chip, 4, MVB communication controler,
5, MVB interface circuit, 6, watchdog circuit, 7, power module.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
Embodiment
MVB data, are converted to common Ethernet interface by a kind of gateway for turning Ethernet for MVB that the application proposes
Data are sent, and user is facilitated to acquire MVB data by Ethernet.As shown in Figure 1, this gateway includes FPGA processor
1, MVB transmission circuit, storage circuit, ethernet communication circuit and power module 7.
FPGA processor 1 is connected to watchdog circuit 6 and peripheral circuit.In the present embodiment, FPGA processor 1 is used
XC5VFX50T processor chips.
Storage circuit is connect with FPGA processor 1, and storage circuit includes Flash chip in the present embodiment
2TC58NVG0S3HTAI0.Each port of Flash chip 2 is connected with FPGA processor 1.
Ethernet communication circuit includes the Ethernet chip 3 and RJ45 connector connecting with FPGA processor 1
HR911105, transformer, voltage-stabiliser tube etc., Ethernet chip 3 are connect with Ethernet interface.In the present embodiment, Ethernet is connect
Mouth chip 3 uses DP83848 chip.
MVB transmission circuit include MVB communication controler 4 and the MVB interface circuit 5 being connect with MVB communication controler 4 and
Address circuit, MVB interface circuit 5 is by RS-485 differential bus transceiver LMS1485 and optocoupler HCL0661 and peripheral circuit group
At.In the present embodiment, MVB communication controler 4 uses XC2C256 chip, its data line, address wire, read-write line, chip select line
It is connected directly Deng with FPGA processor 1, data is stored in storage circuit by FPGA.After powering on, it can be handled by FPGA
Device 1 initializes XC2C256 chip, MVB communications reception data is read, MVB communication sends the operation such as data modification.
Power module 7 is connect with FPGA processor 1 and MVB communication controler 4 respectively.Power module 7 includes 3A low voltage difference
Voltage-stablizer TPS75701 chip and 800mA low-dropout regulator SPX1117M3-1.8 chip.By external power supply input+5V direct current,
5V power supply output+3.3V direct current after the conversion of TPS75701 chip, 3.3V direct current are defeated after the conversion of SPX1117M3-1.8 chip
+ 1.8V direct current out.
In the present embodiment, the FPGA of processor model XC5VFX50T, the processor chips and soft core
MicroBlaze IP Core builds a real-time SOC together, the peripheral equipment IP 10/100/ provided with Xilinx company
1000Soft TEMAC connects external physical layer Ethernet chip 3, by ISA core inside processor realize with
The communication of MVB communication controler 4.The LwIP and application layer protocol embedded between Ethernet interface and MVB interface by processor
Conversion functional module is directly realized by MVB protocol frame being quickly converted to Ethernet protocol frame.The MicroBlaze that the above example uses
The software programs such as IP Core, IP 10/100/1000Soft TEMAC, LwIP are all the prior arts, not in the technical program
In protection scope.
The working principle of this equipment:
At work, FPGA processor 1 receives device address to be checked, port address to be checked, detection by the way of default
The relevant informations such as duration, fault error record, and XC2C256 chip is initialized according to relevant information.It is initializing
After XC2C256 chip, Ethernet chip 3 is initialized, MVB- ether network information is then turned on and forwards service in real time, according to matching
The Frame Protocol data of ethernet format after the target ip address set converts MVB are sent to Target IP from Ethernet interface and set
It is standby.
Claims (6)
1. a kind of gateway for turning Ethernet for MVB, which is characterized in that including FPGA processor, MVB transmission circuit, deposit
Storage road, ethernet communication circuit and power module, the storage circuit are connect with FPGA processor；The ethernet communication electricity
Road includes the Ethernet chip connecting with the FPGA processor；The MVB transmission circuit include MVB communication controler and
The MVB interface circuit connecting with MVB communication controler, the MVB communication controler are connect with the FPGA processor；The electricity
Source module is connect with the FPGA processor and MVB communication controler respectively.
2. a kind of gateway for turning Ethernet for MVB according to claim 1, which is characterized in that at the FPGA
Reason device is further connected with watchdog circuit.
3. a kind of gateway for turning Ethernet for MVB according to claim 1, which is characterized in that the MVB communication
Controller passes through data line, address wire, read-write line, chip select line respectively and connect with the FPGA processor.
4. a kind of gateway for turning Ethernet for MVB according to claim 1, which is characterized in that at the FPGA
It manages device and uses XC5VFX50T model chip.
5. a kind of gateway for turning Ethernet for MVB according to claim 1, which is characterized in that the storage electricity
Road includes Flash chip.
6. a kind of gateway for turning Ethernet for MVB according to claim 1, which is characterized in that the power supply mould
Block includes 3A low-dropout regulator and 800mA low-dropout regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625957.5U CN208937946U (en) | 2018-09-30 | 2018-09-30 | A kind of gateway turning Ethernet for MVB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625957.5U CN208937946U (en) | 2018-09-30 | 2018-09-30 | A kind of gateway turning Ethernet for MVB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208937946U true CN208937946U (en) | 2019-06-04 |
Family
ID=66723647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821625957.5U Active CN208937946U (en) | 2018-09-30 | 2018-09-30 | A kind of gateway turning Ethernet for MVB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208937946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934992A (en) * | 2020-08-06 | 2020-11-13 | 中车大连电力牵引研发中心有限公司 | Vehicle-mounted multifunctional gateway module |
-
2018
- 2018-09-30 CN CN201821625957.5U patent/CN208937946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934992A (en) * | 2020-08-06 | 2020-11-13 | 中车大连电力牵引研发中心有限公司 | Vehicle-mounted multifunctional gateway module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204231391U (en) | A kind of locomotive vehicle-mounted general data communication gateway | |
| CN102752299B (en) | Debugging-free composite communication device and method for electric vehicle charging station | |
| CN213814657U (en) | Adapter for converting RS232 serial port into CAN bus interface | |
| CN208937946U (en) | A kind of gateway turning Ethernet for MVB | |
| CN206657220U (en) | A kind of multi-channel digital amount acquisition module based on redundant CAN bus | |
| CN103546485B (en) | Network card for DC600V train power supply device | |
| CN205336307U (en) | Network control module based on FIP communication | |
| CN205545357U (en) | ModbusRTU changes CANopen's protocol converter | |
| CN107911290A (en) | A kind of gateway device for maritime electronic communication | |
| CN208905017U (en) | A kind of communication master-salve station mainboard based on Cortex-M3 processor | |
| CN204206213U (en) | A kind of HART communication modem that ring current is provided | |
| CN204795120U (en) | Split type extensible network message storage device | |
| CN207706195U (en) | A kind of automatic off-line type half-duplex communication circuit | |
| CN101738988B (en) | Communication circuit of programmer for electric vehicle controller | |
| CN204188979U (en) | Based on the number connect test module of bus communication | |
| CN105391611A (en) | Network control module based on FIP communication | |
| CN104144026A (en) | MVB network card module based on embedded processor and data transmission method | |
| CN208722049U (en) | A kind of electric car long-distance monitorng device | |
| CN106131053A (en) | A kind of bus protocol transducer | |
| CN106372014A (en) | Implementation method for converting PCIE (Peripheral Component Interface Express) bus into CPCI (Compact Peripheral Component Interconnect) bus | |
| CN206311695U (en) | A kind of cable detecting system | |
| CN207835500U (en) | A kind of detecting system monitoring communication module based on cloud | |
| CN110442096A (en) | A kind of data acquisition control work station and its data transmission method | |
| CN104267651A (en) | Bus communication based digital value input and output module | |
| CN201355729Y (en) | Automatic voltage regulation and data transmission unit connected with electronic whiteboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |