CN2927612Y

CN2927612Y - Controlling module of automobile

Info

Publication number: CN2927612Y
Application number: CN 200620051466
Authority: CN
Inventors: 吴正平; 路向阳; 易伟民; 任湘辉; 江奕; 肖家博; 曹洋
Original assignee: Zhuzhou CSR Times Electric Co Ltd
Current assignee: Zhuzhou CRRC Times Electric Co Ltd
Priority date: 2006-06-26
Filing date: 2006-06-26
Publication date: 2007-07-25
Anticipated expiration: 2016-06-26

Abstract

The utility model relates to a vehicle control module, which mainly comprises a metal shell (1), an internal PCB circuit board (12, 13), a front panel (6) and an external connector (3). With a modular structure, the utility model comprises two pieces of plug-in, wherein a first plug-in is used to complete feeble current function to realize the integration of processor core part, MVB communications processing part, CAN communications processing part, USB and Ethernet interface, RS232 bus and RS 485 bus interface; and a second plug-in is used to complete the DC/DC power conversion and is the integration of the interface parts of MVB, CAN, RS485 bus communications to realize signals isolation; simultaneously the circuit adopts single CUP structure, and is provided with a middle plug-in between the CPC and each function module; the RTOS and ISaGRAF are used for software development. The VCM mechanical structure adopts the mode of independent module, thereby all circuits are sealed inside the metal shell (1) with dust-proof, moisture-proof, anti-vibration functions and nice EMC performance, and connected with the interfaces of other devices through the connector in the front panel of the module.

Description

A kind of vehicle control module

Technical field

The utility model belongs to a kind of control method for vehicle and device, refers in particular to a process control platform based on communication, can realize MVB4 kind equipment function, comprises the vehicle control module and the structure of multifunction vehicle bus (MVB).

Background technology

Vehicle control module (hereinafter to be referred as VCM) mainly is applicable to vehicle and process control, failure diagnosis and the telecommunication management of vehicle, also applicable to the PMS of association areas such as subway train or automation control system, its applied environment satisfies relevant industries standard (iron mark TB3021-2001 etc.) regulation.VCM is as the corn module in the Fieldbus Based dcs, on a basic hardware and software platform, by disposing different software and hardware resources, can conveniently realize the function such as process control, failure diagnosis and storage, telecommunication management of the vehicle grade/train level of different automobile types.

Existing vehicle control module is low except processing speed, communication and controlled function limited, also there is following deficiency: on (1) volume macrostructure, even adopt casing structure or adopt modularization, but be to develop from standard 3U and 6U plug-in unit, realize the vehicle control module function, generally comprise plug-in units such as CPU board, MVB interface board and power panel, backboard, make the whole system complexity, bulky, weight is heavier, inconvenience is installed, and the dismounting of plug-in unit is also extremely difficult; (2) power consumption is big owing to adopt plug-in unit quantity many and do not adopt the Design of power saving technology, makes power consumption cause the volume cannot be little greatly; (3) cost an arm and a leg owing to adopt dongle configuration, make component number and the kind used increase greatly, make the cost height.Therefore, be necessary this is improved.

The utility model content

The purpose of this utility model is the deficiency at existing VCM, and it is more reasonable, simple to propose a kind of system design, and volume structure is more small and exquisite, and more convenient VCM and structure are installed.

According to the VCM that the purpose of this utility model proposed be: a kind of locomotive/vehicle control module, in the design of VCM, cancel traditional plug-in unit and added the cabinet pattern, and adopted modularized integrated structure, each functional part is integrated into respectively on two blocks of plug-in units.Finish the light current function for one, realize the integrated of processor core part, MVB communication process part, CAN communication process part, USB and Ethernet interface, RS232 bus, RS485 bus interface; Another piece is finished interface section integrated of DC/DC power conversion, MVB, CAN, RS485 bus communication, realizes the isolation of signal.The system that guaranteed has good stable, Electro Magnetic Compatibility.Can reduce system wiring as far as possible like this.Simultaneously, in circuit design, adopt function more powerful monolithic CPU structure and low energy-consumption electronic device, and between CPU and each functional module, do not had middle plug-in unit, for directly to be connected, made the power consumption of module and volume reduce greatly between CPU and each functional module; The applied software development instrument (ISaGRAF) that software development adopts real-time oss to unify and meet industrial standard has been guaranteed the reliability and the real-time of software systems, has greatly shortened the construction cycle of application software, has finally guaranteed the high performance-price ratio of VCM system.

VCM mechanical structure adopts the standalone module mode, and all circuit all are sealed among dustproof, protection against the tide, vibrationproof, the heat-resisting and well behaved metal shell of EMC, and passes through connector and miscellaneous equipment interface on the module front panel.Its structure mainly comprises: metal shell, inner PCB circuit board, front panel reach outconnector.

Wherein, described package casing adopts light-duty casting aluminium material, is made up of the cover plate of two block structure symmetries.Every block of plate is provided with fixed installation hole and ground hole, and outer surface is oxidized to black and is provided with the fin-shaped fin that is evenly distributed, and to increase area of dissipation as far as possible, strengthens radiating effect.Portion also is provided with temperature sensor in the enclosure, can detect internal temperature automatically, protects when temperature surpasses certain value.

The core that described inner PCB circuit board is VCM mainly is made up of the circuit board of two 3U sizes, and one is power supply and interface board: mainly comprise circuit such as DC/DC switch power module, MVB ESD+ interface and RS485 bus; Another piece is a CPU board: mainly comprise CPU, memory, MVBC01, TM and RS232 bus and Ethernet interface etc.Connect by flat cable between two circuit boards.

Described front panel is used to install the connector of external interface, and constitutes a module whole together with two metal shells.External interface comprise input power supply and alarm relay out connector (X7), MVB ESD+ connector (X5, X6), the RS485 connector (X3, X4), RS232 Bussing connector (X2), Ethernet interface (X1) and general status indication lamp (H1, H2).

Characteristics of the present utility model are

1. employing modular construction, volume is little.The MVB bus manager module volume of realizing said function both at home and abroad is very big, and power consumption is very big, is unfavorable for installing.

2. provide multiple field-bus interface (MVB, RS485 bus and Ethernet etc.), by combine the configuration of convenient various application systems and system integration exploitation with various remote I/O devices.

3. adopt the mechanical structure of distributed power source and standalone module, further improve the reliability and the cost performance of system, greatly convenient on-the-spot I﹠M.

4. inner band temperature sensor detects internal temperature automatically, protects when temperature surpasses certain value.

Description of drawings

Fig. 1 is a module shape assumption diagram of the present utility model;

Fig. 2 is a module profile side direction structure chart of the present utility model;

Fig. 3 is a module contour structures panel construction enlarged drawing of the present utility model;

Among the figure: 1, metal shell; 2, fin; 3, outconnector; 4, cover plate; 5, cover plate; 6, front panel; 7, RS232 Bussing connector; 8, RS485 Bussing connector; 9, MVB ESD+ connector; 10, general status indication lamp; 11, input power supply and alarm relay out connector; 12, PCB circuit board; 13, PCB circuit board; 14, network interface too.

Embodiment

The utility model will be further described below in conjunction with accompanying drawing.

By accompanying drawing as can be seen, the utility model is a kind of vehicle grade process control that is used for locomotive/vehicle, failure diagnosis and telecommunication management or be used for subway train or the PMS (SCADA) of association area such as Electric Ground Power System, in the design of VCM, cancel traditional plug-in unit and added the cabinet pattern, and the employing modular organization, can reduce system wiring as far as possible, form by two blocks of plug-in units, finish the light current function for one, realize the processor core part, MVB communication process part, CAN communication process part, USB and Ethernet interface, the RS232 bus, RS485 bus interface integrated; Another piece is finished interface section integrated of DC/DC power conversion, MVB, CAN, RS485 bus communication, realizes the isolation of signal.The system that guaranteed has good stable, Electro Magnetic Compatibility.Simultaneously, in circuit design, adopt function more powerful monolithic CPU structure and low energy-consumption electronic device, and between CPU and each functional module, do not had middle plug-in unit, made the power consumption of module and volume reduce greatly; Software development is adopted commercial real time operating system (VxWorks) and is met the applied software development instrument (ISaGRAF) of industrial standard, the reliability and the real-time of software systems have been guaranteed, greatly shorten the construction cycle of application software, finally guaranteed the high performance-price ratio of VCM system.

VCM mechanical structure adopts the standalone module mode, and all circuit all are sealed in dustproof, protection against the tide, vibrationproof, heat-resisting, and among the well behaved metal shell 1 of EMC, and passes through connector and miscellaneous equipment interface on the module front panel.

Its structure mainly comprises: metal shell 1, inner

PCB circuit board

12,13, front panel 6 reach outconnector 3.

Wherein, described package casing 1 adopts light-duty casting aluminium material, is made up of the

cover plate

4,5 of two block structure symmetries.Every block of plate is provided with fixed installation hole and ground hole, and outer surface is oxidized to black and is provided with the fin-shaped fin 2 that is evenly distributed, and to increase area of dissipation as far as possible, strengthens radiating effect.Portion also is provided with temperature sensor in the enclosure, can detect internal temperature automatically, protects when temperature surpasses certain value.

Described inner PCB circuit board the 12, the 13rd, the core of VCM mainly is made up of the

circuit board

12,13 of two 3U sizes, and one is power supply and interface board: mainly comprise circuit such as DC/DC switch power module, MVB ESD+ interface and RS485 bus; Another piece is a CPU board: mainly comprise CPU, memory, MVBC01, TM and RS232 bus and Ethernet interface etc.Connect by flat cable between two circuit boards.

The connector 3 of external interface is installed on the described front panel 6, and constitutes a module whole together with two cover plates.External interface comprises input power supply and alarm relay out connector 11 (X7), MVB ESD+ connector 9 (X5, X6), RS485 Bussing connector 8 (X3, X4), RS232 Bussing connector 7 (X2), Ethernet interface 14 (X1) and general status indication lamp 10 (H1, H2).

From above-mentioned example VCM of the present utility model as can be seen is a process control platform based on communication, and the method for designing of at present popular embedded system is adopted in its design, and its scheme characteristics are:

● processor adopting is popular 32 embedded communication processors of high speed (Intel Xscale IXP425) at present, and dominant frequency reaches 533MHz, to guarantee the powerful communications and data disposal ability of VCM;

● embedded popular commercial real-time multi-task operating system (VxWorks), to guarantee the reliability and the real-time of software;

● the Soft PLC application programming interface and the developing instrument (ISaGRAF) that satisfy the IEC61131-3 standard are provided, greatly make things convenient for the exploitation of application program;

● provide multiple field-bus interface (MVB, RS485 bus and Ethernet etc.), by combine the configuration of convenient various application systems and system integration exploitation with various remote I/O devices;

● adopt the mechanical structure of distributed power source and standalone module, further improve the reliability and the cost performance of system, greatly convenient on-the-spot I﹠M.

Claims

1, a kind of vehicle control module, comprise: metal shell, inner PCB circuit board, panel reach outconnector, it is characterized in that: adopt modularized integrated structure, each functional part is integrated into respectively on two blocks of plug-in units, finish the light current function for one, realize the integrated of processor core part, MVB communication process part, CAN communication process part, USB and Ethernet interface, RS232 bus, RS485 bus interface; Another piece is finished interface section integrated of DC/DC power conversion, MVB, CAN, RS485 bus communication, realizes the isolation of signal; Simultaneously, adopt monolithic CPU structure in the circuit, between CPU and each functional module for directly to be connected; Software adopts real-time multi-task operating system and meets the applied software development instrument of industrial standard.

2, vehicle control module as claimed in claim 1, it is characterized in that: VCM mechanical structure adopts the standalone module mode, all circuit all are sealed in dustproof a, protection against the tide, vibrationproof, heat-resisting, and among the well behaved metal shell of EMC (1), and by connector and miscellaneous equipment interface on the module front panel.

3, vehicle control module as claimed in claim 1 or 2 is characterized in that: described package casing (1) adopts light-duty casting aluminium material, is made up of the cover plate (4,5) of two block structure symmetries; Every block of plate is provided with fixed installation hole and ground hole, and outer surface is oxidized to black and is provided with the fin-shaped fin (2) that is evenly distributed; Portion also is provided with temperature sensor in the enclosure.

4, vehicle control module as claimed in claim 1 or 2, it is characterized in that: described inner PCB circuit board (12,13) is made up of the circuit board (12,13) of two 3U sizes, and one is power supply and interface board: mainly comprise circuit such as DC/DC switch power module, MVB ESD+ interface and RS485 bus; Another piece is a CPU board: mainly comprise CPU, memory, MVBC01, TM and RS232 bus and Ethernet interface etc., connect by flat cable between two circuit boards.

5, vehicle control module as claimed in claim 1 or 2 is characterized in that: the connector (3) of external interface is installed on the described front panel (6), and constitutes a module whole together with two cover plates; External interface comprises input power supply and alarm relay out connector (11), MVB ESD+ connector (9), RS485 Bussing connector (8), RS232 Bussing connector (7), Ethernet interface (14) and general status indication lamp (10).