CN221272982U - Rail transit vehicle braking command converter - Google Patents
Rail transit vehicle braking command converter Download PDFInfo
- Publication number
- CN221272982U CN221272982U CN202420132112.1U CN202420132112U CN221272982U CN 221272982 U CN221272982 U CN 221272982U CN 202420132112 U CN202420132112 U CN 202420132112U CN 221272982 U CN221272982 U CN 221272982U
- Authority
- CN
- China
- Prior art keywords
- command
- board
- communication
- brake
- rail transit
- 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
- 238000012423 maintenance Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a rail transit vehicle braking command converter, which comprises a communication board, an expansion board, a main board and an internal bus, wherein the communication board is connected with the expansion board; wherein the communication board, the expansion board and the main board are respectively connected to the internal bus; the communication board is used for receiving and transmitting network signals; the expansion board is used for receiving and sending hard-wire signals; the main board is used for controlling the communication board and the expansion board, and converting a network command or a hard wire command received from a brake command sending source into a command system which can be read by the electronic brake control unit. The utility model has simple working principle and structure and is easy to implement. And different communication boards and expansion boards can be flexibly configured according to braking command modes generated by different braking command transmitting sources and modes which can be received by the electronic braking control unit, so that the braking command transmitting sources and the electronic braking control unit can be widely compatible, the design, manufacturing, debugging and delivery cycle of the railway vehicle are shortened, and the cost of redevelopment and design is saved.
Description
Technical Field
The utility model relates to the field of rail transit vehicle control, in particular to a rail transit vehicle braking command converter.
Background
Typical sources of rail vehicle braking commands are: a railway vehicle driver controller or a brake controller, a train central management system, a train automatic driving system and a train automatic protection system. The railway vehicle driver controller refers to a control handle for controlling the traction force and the braking force of a train by a driver, and the braking controller refers to a control handle for controlling the braking force by the driver.
The existing railway vehicle braking command transmission mode is as follows: as shown in fig. 1, a rail vehicle brake command transmission source generates a brake command and transmits the brake command to an electronic brake control unit through a vehicle control network or a train hard line. And the electronic brake control unit controls the railway vehicle brake system to generate corresponding braking force according to the received braking command. The vehicle control network may be MVB (Multifunction Vehicle Bus multifunction vehicle bus), ethernet, RS485 (serial communication bus), or the like. The type of signal for the brake command transmitted by the hard wire of the train may be a PWM (Pulse width modulation pulse width modulated) signal, a current signal, a voltage signal, a boolean quantity, etc.
However, the brake command transmission source and the electronic brake control unit are different in production countries or regions, the adopted standard systems are different, the design ages of products are different, and the like, so that the network command system and the hard wire command system which can be transmitted and received are different. So that the brake command cannot be received by the electronic brake control unit.
Disclosure of utility model
The utility model aims at: the rail transit vehicle braking command converter is used for converting the braking command system generated by the braking command transmitting source into the braking command system which can be received by the electronic braking control unit, so that the compatibility of the braking command transmitting source and the electronic braking control unit is improved.
The technical scheme of the utility model is as follows:
a rail transit vehicle braking command converter comprises a communication board, an expansion board, a main board and an internal bus; wherein the communication board, the expansion board and the main board are respectively connected to the internal bus;
The communication board is used for receiving and transmitting network signals;
the expansion board is used for receiving and sending hard-wire signals;
the main board is used for controlling the communication board and the expansion board, and converting a network command or a hard wire command received from a brake command sending source into a command system which can be read by the electronic brake control unit.
The two communication boards are arranged, one communication board receives the network command of the brake command transmitting source, and the other communication board transmits the network command to the electronic brake control unit.
The expansion board is one and is used for receiving a hard wire command of a brake command sending source and sending the hard wire command to the electronic brake control unit.
Preferably, the brake command converter further comprises a man-machine interface, wherein the man-machine interface is connected with the internal bus and is used for externally connecting with a maintenance terminal, and the maintenance terminal realizes data maintenance and software downloading of the brake command converter through the man-machine interface.
Preferably, the brake command converter further includes a power panel for converting direct current power supplied from the vehicle battery into power required for each board card.
Preferably, the braking command transmitting source comprises one or more of a driver controller, a braking controller, a train central management system, a train automatic driving system and a train automatic protection system.
Preferably, the brake command converter further comprises a microcomputer case, and the communication board, the expansion board, the main board and the internal bus are arranged in the microcomputer case.
The utility model has the advantages that:
1. The rail transit vehicle braking command converter provided by the utility model converts the braking command system generated by the braking command transmitting source into the braking command system which can be received by the electronic braking control unit.
2. According to the utility model, different communication boards and expansion boards can be flexibly configured according to the braking command modes generated by different braking command transmitting sources and the modes which can be received by the electronic braking control unit, so that the braking command transmitting sources and the electronic braking control unit can be widely compatible.
3. By using the converter, on the premise of not redeveloping the brake command transmitting source or the electronic brake control device, the brake command system generated by the brake command transmitting source is matched with the brake command which can be received by the electronic brake control unit, so that the design, manufacturing, debugging and delivery cycle of the railway vehicle can be shortened, and the redevelopment and design cost is saved.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of a conventional general rail vehicle brake command transmission;
FIG. 2 is a topology of a rail transit vehicle brake command converter of the present utility model;
Fig. 3 is a schematic structural diagram of a rail transit vehicle brake command converter according to the present utility model.
Detailed Description
As shown in fig. 2 and 3, the rail transit vehicle brake command converter of the present utility model is designed as a microcomputer control unit, and is composed of a microcomputer case, a power panel, a main board, a communication board, an expansion board and a man-machine interface MMI (Man Machine Interface). Wherein the communication board, the expansion board, the motherboard and the man-machine interface MMI are respectively connected to the internal bus. The brake command transmitting source comprises one or more of a driver controller, a brake controller, a train central management system, a train automatic driving system and a train automatic protection system.
The power panel is used for converting direct current power supplied by the vehicle storage battery into power required by each board card.
The communication board is used for receiving and transmitting network signals; the communication boards are two, one of the communication boards receives the network command of the brake command transmitting source, and the other communication board transmits the network command to the electronic brake control unit.
The expansion board is used for receiving and sending hard-wire signals; the expansion board is one and is used for receiving a hard wire command of a brake command transmitting source and transmitting the hard wire command to the electronic brake control unit.
The main board is used for controlling the communication board and the expansion board, and converting a network command or a hard wire command received from a brake command sending source into a command system which can be read by the electronic brake control unit. Such as:
(1) Converting the MVB network signal into an Ethernet signal;
(2) Converting the PWM signal of 110VDC and 100Hz into the PWM signal of 24VDC and 500 Hz;
(3) And converting the PWM signal into a current signal of 4-20 mA.
The man-machine interface MMI is connected with the internal bus and is used for externally connecting with a maintenance terminal, and the maintenance terminal realizes data maintenance and software downloading of the brake command converter through the man-machine interface MMI.
The rail transit vehicle braking command converter provided by the utility model converts the braking command system generated by the braking command transmitting source into the braking command system which can be received by the electronic braking control unit. And moreover, different communication boards and expansion boards can be flexibly configured according to braking command modes generated by different braking command transmitting sources and modes which can be received by the electronic braking control unit, so that the braking command transmitting sources and the electronic braking control unit can be widely compatible.
By using the converter, on the premise of not redeveloping the brake command transmitting source or the electronic brake control device, the brake command system generated by the brake command transmitting source is matched with the brake command which can be received by the electronic brake control unit, so that the design, manufacturing, debugging and delivery cycle of the railway vehicle can be shortened, and the redevelopment and design cost is saved.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same according to the content of the present utility model, and are not intended to limit the scope of the present utility model. All modifications made according to the spirit of the main technical proposal of the utility model should be covered in the protection scope of the utility model.
Claims (7)
1. The rail transit vehicle braking command converter is characterized by comprising a communication board, an expansion board, a main board and an internal bus; wherein the communication board, the expansion board and the main board are respectively connected to the internal bus;
The communication board is used for receiving and transmitting network signals;
the expansion board is used for receiving and sending hard-wire signals;
the main board is used for controlling the communication board and the expansion board, and converting a network command or a hard wire command received from a brake command sending source into a command system which can be read by the electronic brake control unit.
2. The rail transit vehicle brake command converter of claim 1, wherein the number of communication boards is two, one of the communication boards receives a network command of the brake command transmission source, and the other communication board transmits the network command to the electronic brake control unit.
3. The rail transit vehicle brake command converter of claim 2, wherein the expansion board is one and is configured to receive a hard-line command of a brake command transmission source and transmit the hard-line command to the electronic brake control unit.
4. A rail transit vehicle brake command converter according to claim 3, further comprising a man-machine interface connected to the internal bus for externally connecting a maintenance terminal through which the maintenance terminal effects data maintenance and software download of the brake command converter.
5. The rail transit vehicle brake command converter of any one of claims 1-4, further comprising a power strip for converting dc power provided by the vehicle battery to power required by each card.
6. The rail transit vehicle brake command converter of any one of claims 1-4, wherein the brake command transmission source comprises one or more of a driver controller, a brake controller, a central train management system, a train autopilot system.
7. The rail transit vehicle brake command converter of any one of claims 1-4, further comprising a microcomputer housing, wherein the communication board, expansion board, main board, and internal bus are disposed in the microcomputer housing.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221272982U true CN221272982U (en) | 2024-07-05 |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2858417Y (en) | Whole vehicle controller for hybrid power system | |
| AU2010223446B2 (en) | Method for operating a train control device, trackside electronic unit and balise for a train control device and train control device | |
| CN204156887U (en) | For the locomotive communicating system of fixed-interlock train | |
| CN206283291U (en) | A kind of novel electric vehicle direct-current charging post control system | |
| CN101741308B (en) | Controller of current vortex retarder and control method | |
| CN101973269B (en) | Control system for mine electric wheel dump truck by using fieldbus technology | |
| CN102602387B (en) | Electronic controller for high-speed train braking | |
| CN221272982U (en) | Rail transit vehicle braking command converter | |
| CN109951256A (en) | On-board high-voltage power supply integrating device and its communication means and the new-energy automobile high voltage power supply for applying it | |
| CN103115182A (en) | Electronic expansion valve | |
| CN205899352U (en) | Railcar control system based on distributed network module | |
| CN109915265B (en) | Engine rotating speed adjusting device and method based on CAN | |
| CN201685771U (en) | Hybrid power control system with CAN bus | |
| CN201261665Y (en) | Elevator calling apparatus realized by electric power carrier communication | |
| CN102339058A (en) | Digital expansion board for rail transit vehicle braking system | |
| CN102830685B (en) | Electric wheel dumper and control system | |
| CN210337595U (en) | Whole vehicle control system combining wire control and communication control | |
| CN209118104U (en) | A kind of sanitation project vehicle control system | |
| CN201689410U (en) | Multiplex switching value bus transmission module | |
| CN217718840U (en) | Wireless remote control device for pure electric locomotive | |
| CN111098752A (en) | Battery management system and new energy automobile | |
| CN220483131U (en) | Electric bus battery system and electric bus | |
| CN219552628U (en) | Portable speed signal generator | |
| CN111016732A (en) | New energy automobile and battery management system thereof | |
| CN209764960U (en) | Subway vehicle TCMS simulation debugging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |