CN205375091U

CN205375091U - Automatic door controller of tram based on CAN bus

Info

Publication number: CN205375091U
Application number: CN201620043675.9U
Authority: CN
Inventors: 邵鹤帅; 赵建洋; 孙成富
Original assignee: Huaiyin Institute of Technology
Current assignee: Huaiyin Institute of Technology
Priority date: 2016-01-18
Filing date: 2016-01-18
Publication date: 2016-07-06
Anticipated expiration: 2026-01-18

Abstract

The utility model relates to an automatic door controller of tram based on CAN bus mainly includes master control processing module, power module, CAN communication module, motor driver module. Power module accomplishes 24V changes 5V, provide suitable voltage for automatic door controller, host system passes through CAN communication module and realizes communication with trolley -bus EDCU, with the electric car control parameter, on -off operation sends to the door node, orientation in the motor enabling signal, speed is sent through master control processing module, transmit to machine controller by electrical apparatus drive module, realize motor drive, accomplish the operation of automatically -controlled door intelligence, make things convenient for managers to carry out data processing at the electric car control center, analysis and direct control. The utility model relates to an automatic door controller of tram based on CAN bus has advantages such as low cost, high accuracy, intellectuality.

Description

A kind of tramcar automatic door controller based on CAN

Technical field

This utility model belongs to technical field of rail traffic, particularly relates to tramcar Car's door controlling technology.

Background technology

In railway vehicle device, passenger compartment doors is the vitals concerning passenger safety, track traffic door system is the very important part of track train, according to operation department statistics, the passenger compartment doors of rail vehicle is one of vehicle arrangement of employing up in operation, due to the interference that number of times is relatively more frequent and train is artificial in running that door system opens and closes, track train door system in operation process is often broken down, frequently there is " invading visitor " event, affect the running on time of train and properly functioning order, especially in peak period on and off duty, also it is no lack of the serious accident that passenger's injures and deaths occur.When China's electric car operation, the phenomenon of overload is very general, and problem above is especially prominent.Therefore, the safety and reliability of electric car door device be not only the problem of the personal safety being related to passenger be also track traffic can continue, a necessary factor of healthy, stable development.

Summary of the invention

Goal of the invention: for above-mentioned Problems existing and defect, this utility model develops a kind of tramcar automatic door controller based on CAN, utilize Based Intelligent Control advantage to realize motor to drive and motor control isolation, control signal and feedback signal are isolated, reduces the harmonic wave interference being driven electric bridge to produce by motor.Each door and EDCU are connected by CAN, and the network that CAN builds allows the node on network to send information simultaneously, be may be constructed the system of multi-main construction by CAN, it is ensured that the reliability of system design, also can guarantee that the real-time of information processing.

Technical scheme: to achieve the above object of the invention, this utility model is by the following technical solutions: a kind of tramcar automatic door controller based on CAN includes master control processing module, power module, CAN, motor drive module, wherein: described power module, adopt chips W D6-24S05E7, it is achieved voltage 24V turns 5V；Described motor drive module, rotates by controlling direct current generator, completes the various actions of automatically-controlled door；Described CAN, adopts isolated form CAN transceiver ADM3053, receives the EDCU control signal sent, and fault and status information are sent to EDCU；Described master control processing module, obtains EDCU by CAN and inputs signal, after treatment, sends control instruction, drive motor, performs automatic door switch operation, it is achieved Intelligent door controls.

Described main control module adopts chip LPC1788；Described power module adopts chips W D6-24S05E7；Described CAN adopts chip ADM3053.

Beneficial effect: a kind of tramcar automatic door controller based on CAN is a kind of intelligent controlling device having merged the field state-of-the-art technologies such as sensor technology, electronic technology, instrument and meter, CAN communication technology; this utility model adopts CAN communication mode; automatically-controlled door is made to realize and electric car EDCU unit two-way communication; constitute intelligentized automatic door control system, make automatically-controlled door from basic switch function development to the defencive function of automatic anti-pinch.Automatic gating device, for promoting automatic management level, save manpower and ensureing that pedestrains safety has a significant effect, has higher engineer applied and is worth and market popularization value, have very wide application prospect.

Accompanying drawing explanation

Fig. 1 is this utility model theory diagram.

Fig. 2 is this utility model CAN schematic diagram.

Fig. 3 is this utility model power module schematic diagram.

Fig. 4 is this utility model motor drive module schematic diagram.

Wherein master control processing module 1, power module 2, CAN 3, motor drive module 4.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, it is further elucidated with this utility model, it should be understood that these embodiments are merely to illustrate this utility model rather than limit scope of the present utility model, after having read this utility model, the amendment of the various equivalent form of values of the present utility model is all fallen within the application claims limited range by those skilled in the art.

A kind of tramcar automatic door controller based on CAN of this utility model, relate to one to be communicated with electric car EDCU by CAN, execution automatic door switch operates, motor drive module obtains current parameters information, processes through master control processing modules implement data, carries out parameter measurement, judge in automatically-controlled door closing process, whether there is barrier, it is ensured that passenger's personal safety, there is good human-computer interaction function.

This utility model theory diagram is represented with reference to Fig. 1, Fig. 1.Master control processing module receives from electric car EDCU control instruction, carry out automatic door switch operation, in door closing procedure, if there being barrier, master control processing module detects the data of current of electric, it is judged that detect whether motor reverses (namely perform to close the door action), if it is confirmed that be reversion, sent motor commutation instruction by master control processing module through motor drive module, namely perform door opening action.

This utility model terminal CAN schematic diagram is represented with reference to Fig. 2, Fig. 2.ADM3053 is a isolated controller zone network (CAN) physical layer transceiver, and integrated isolation DC/DC transducer meets ISO11898 standard.This device adopts the ADUM Magnetic isolation technology of ADI company, the CAN transceiver dual pathways isolated.This device adopts 5V single supply to power, it is provided that completely isolated CAN solution.ADM3053 creates a completely isolated interface between CAN protocol controller and physical layer bus, and it can work with the data rate of the highest 1Mbps.CAN realizes master control processing module and electric car EDCU two-way communication, it is achieved parameter transmission and instruction issuing.

This utility model terminal supplying power module principle figure is represented with reference to Fig. 3, Fig. 3.Acp chip is WD6-24S05E7; it is a isolated supplies module; typical case's performance has: 2:1(is the highest for wide input voltage: minimum); operating temperature range :-40～85 DEG C; fire-retardant meet UL94-V0 requirement, input and output isolation voltage: 1500Vdc, output short-circuit, overcurrent protection; output voltage precision: main road ± 1%, bypass ± 3%.Power module realizes DC-DC power source conversion, completes 24V to 5V conversion.Input and output isolation voltage: 1500Vdc output short-circuit, overcurrent protection input and output isolation voltage: 1500Vdc output short-circuit, overcurrent protection input and output isolation voltage: 1500Vdc output short-circuit, overcurrent protection.

This utility model terminal motor drive module schematic diagram is represented with reference to Fig. 4, Fig. 4.Acp chip is LJ245A, and it is the bi-directional transceiver of dual power supply, controls transmission direction by DIR pin, it is achieved bus driver.In electric motor starting signal, direction, speed send instruction through master control processing module, LJ245A convert 5V signal to, transmit to electric machine controller, it is achieved motor drives, and completes automatic door switch door operation.

Claims

1. the tramcar automatic door controller based on CAN, it is characterised in that: include master control processing module, power module, CAN, motor drive module, wherein:

Described power module, adopts chips W D6-24S05E7, it is achieved voltage 24V turns 5V；

Described motor drive module, adopts chip LJ245A, it is achieved bus driver, controls direct current generator and rotates, completes the switch of automatically-controlled door；

Described CAN, adopts isolated form CAN transceiver ADM3053, receives the EDCU control signal sent, and fault and status information are sent to EDCU；

Described master control processing module, obtains EDCU by CAN and inputs signal, after treatment, sends control instruction, drive motor, performs automatic door switch operation, it is achieved Intelligent door controls.

2. a kind of tramcar automatic door controller based on CAN according to claim 1, it is characterised in that: described master control processing module is with chip LPC1788 for core；Described power module is that master control processing module, CAN and motor drive module are powered；Described CAN connects master control processing module by CAN, it is achieved electric car automatic door control parameter is transmitted；Described motor drive module adopts dual power supply bi-directional transceiver, completes the control that motor controls the enabling signal of velocity attitude.