CN202703453U

CN202703453U - Control device for electric vehicle

Info

Publication number: CN202703453U
Application number: CN 201220364885
Authority: CN
Inventors: 缪忠
Original assignee: ZHUZHOU NANFANG SHENGRONG TECHNOLOGY CO LTD
Current assignee: ZHUZHOU NANFANG SHENGRONG TECHNOLOGY CO LTD
Priority date: 2012-07-26
Filing date: 2012-07-26
Publication date: 2013-01-30
Anticipated expiration: 2022-07-26

Abstract

The utility model relates to a control device for an electric vehicle. The control device consists of a controller area network (CAN) bus system, and a vehicle-mounted power system, a vehicle-mounted display system, a vehicle-mounted illumination system and a vehicle-mounted battery management system which are electrically connected with the CAN bus system. The key points are that a CAN bus module is arranged in each system; and the CAN bus system is also electrically connected with a vehicle-mounted detection system, and a man-machine interaction system which is electrically connected with a fault alarm and a self-checking circuit. The circuit is simple; the CAN bus module is arranged in each system and electrically connected with the CAN bus system to form a distributed bus system, so that the circuit structure and manufacturing process of the CAN bus system are simplified, the communication speed and efficiency of each system are improved, and data real-time property is high; through the man-machine interaction system, the running program is simplified, and the labor intensity of a vehicle driver is reduced; and through the vehicle-mounted detection system, the self-checking circuit and the fault alarm, the vehicle is high in running reliability, running speed is accurately controlled, and the running safety and stability of the electric vehicle are improved.

Description

A kind of control mechanism for electric vehicle

Technical field

The utility model relates to a kind of control setup, is specifically related to a kind of control mechanism for electric vehicle.

Background technology

In control system for electric vehicle, by at a high speed, bus system realizes that the real-time of the multidate information of various electronic units, the Real-Time Sharing of the public operating data of each subsystem of vehicle are the keys that guarantees the normal stable operation operation of elec. vehicle accurately.The elec. vehicle bus system is divided into the semi-duplex serial port bus type of RS 485 and based on CAN bus system formula.Its advantage of semi-duplex serial port bus type of RS 485 is that circuit structure is simple, and productive costs is low, and shortcoming is that the data among systems exchange velocity is low, poor anti jamming capability, external equipment communication suitability require high extended capability poor.Its advantage of CAN bus system formula is that the data among systems exchange velocity is high, antijamming capability strong, external equipment communication suitability requires low, be convenient to Vehicular system and expand new function, reduce the elec. vehicle R﹠D costs, shortcoming is that circuit is complicated, manufacturing technique requirent is higher.

The purpose of this utility model is the shortcoming that will overcome above-mentioned technology, provides a kind of circuit theory simple, and expense easy to manufacture is low, and vehicle operating multidate information transmission speed is fast, the control mechanism for electric vehicle that real-time is good.

Control mechanism for electric vehicle of the present utility model, comprise elec. vehicle CAN bus system and the vehicle-mounted power system that is electrically connected with elec. vehicle CAN bus system, vehicle mounted battery management system, in-vehicle display system, vehicle-mounted Lighting System, it is characterized in that: all be equipped with the CAN bus module in described vehicle-mounted power system, vehicle mounted battery management system, in-vehicle display system, the vehicle-mounted Lighting System; Described elec. vehicle CAN bus system is electrically connected with vehicle-mounted detecting system and interactive system; Vehicle-mounted detecting system is electrically connected to form by onboard sensor and built-in CAN bus module; Interactive system is made of parameter acquisition unit, setting parameter device, parameter diagnosis device and parameter query device.

In order better to realize above-mentioned purpose: described interactive system also is electrically connected with self-checking circuit and fault alarm.

Simple, the easy to manufacture expense of the utility model circuit theory is low, each system is built-in with the CAN bus module, each system is by CAN bus module and the elec. vehicle CAN bus system distributed bus system that is electrically connected to form, simplified the circuit structure of CAN bus system, simplify production technology, reduced the manufacturing expense of CAN bus system, improved traffic rate and efficient between each system, real-time property is good; Pass through interactive system, simplified operating sequence and vehicular drive people's labour intensity, by vehicle-mounted detecting system, self-checking circuit and fault alarm, the vehicle operating good reliability, the moving velocity precise control has improved the safety and stability that battery-driven car travels.

Description of drawings

Fig. 1 is schematic circuit diagram of the present utility model.

Among the figure: 1, vehicle-mounted power system, 2, vehicle mounted battery management system, 3, in-vehicle display system, 4, vehicle-mounted Lighting System, 5, vehicle-mounted detecting system, 6, electrical motor, 7, motor controller, 8, electricity meter, 9, battery, 10, the instrument aggregation, 11, read-out, 12, lamp dimmer, 13, dc voltage changer, 14, onboard sensor, 15, elec. vehicle CAN bus system, 16, the CAN bus module, 17, interactive system, 18, parameter acquisition unit, 19, the setting parameter device, 20, the parameter diagnosis device, 21, the parameter query device, 22, fault alarm, 23, self-checking circuit.

The specific embodiment

Control mechanism for electric vehicle of the present utility model is made of elec. vehicle CAN bus system 15 and the vehicle-mounted power system 1 that is electrically connected with elec. vehicle CAN bus system 15, vehicle mounted battery management system 2, in-vehicle display system 3, vehicle-mounted Lighting System 4.Vehicle-mounted power system 1, vehicle mounted battery management system 2, in-vehicle display system 3, vehicle-mounted Lighting System 4 are built-in with CAN bus module 16; Elec. vehicle CAN bus system 15 is electrically connected with vehicle-mounted detecting system 5 and interactive system 17; Vehicle-mounted detecting system 5 is electrically connected to form by onboard sensor 14 and built-in CAN bus module 16; Interactive system 17 is made of parameter acquisition unit 18, setting parameter device 19, parameter diagnosis device 20 and parameter query device 21.

For improving a reliability of operation and safety, interactive system 17 also is electrically connected with self-checking circuit 23 and fault alarm 22.

The utility model is like this work: the operational factor between each system of control setup is electrically connected with elec. vehicle CAN bus system 15 by the built-in CAN bus module 16 of each system, transmits in real time and receive to guarantee correctly travelling of vehicle.

Vehicle-mounted power system 1 comprises that electrical motor 6 and motor controller 7 are electrically connected with elec. vehicle CAN bus system 15 by built-in CAN bus module 16, transmits in real time the related data that receives the control Vehicle Driving Cycle.

Vehicle mounted battery management system 2 comprises that electricity meter 8 and battery 9 are electrically connected with elec. vehicle CAN bus system 15 by built-in CAN bus module 16, transmits in real time the related data that receives battery operated state.

In-vehicle display system 3 comprises that instrument aggregation 10 and read-out 11 are electrically connected with elec. vehicle CAN bus system 15 by built-in CAN bus module 16, the state parameter of Vehicle Driving Cycle provides the real time data of Vehicle Driving Cycle to chaufeur by instrument aggregation 10 and read-out 11, so that the correct steering vehicle of chaufeur.

Vehicle-mounted Lighting System 4 comprises that lamp dimmer 12 and dc voltage changer 13 are electrically connected with elec. vehicle CAN bus system 15 by built-in CAN bus module 16, transmits in real time reception lights of vehicle use information and DC current, voltage correlation parameter.

The operating data of onboard sensor 14 each system of collection vehicle of vehicle-mounted detecting system 5, through computing, be electrically connected with elec. vehicle CAN bus system 15 by built-in CAN bus module 16, the operating data after will processing in real time sends each system of vehicle to, guarantees that vehicle correctly travels.

Interactive system 17 comprises parameter acquisition unit 18, setting parameter device 19, parameter diagnosis device 20 and parameter query device 21, parameter acquisition unit 18, setting parameter device 19 and parameter query device 21 are electrically connected with elec. vehicle CAN bus system 15 by built-in CAN bus module 16, the running state parameter of Real-time Collection, setting and each system of inquiry, and send parameter diagnosis device 20 to, parameter diagnosis device 20 sends to fault alarm 22 with failure message, fault alarm 22 sends sound and light alarm information, and the reminding driver vehicle has fault to need maintenance inspection.

Self-checking circuit 23 is before vehicle launch, be electrically connected with elec. vehicle CAN bus system 15 by CAN bus module 16, each system of control setup is carried out self check, self check is by fault alarm 22 automatic alarms, vehicle can not be started by locked, guarantees vehicle safe driving.

Claims

1. control mechanism for electric vehicle, comprise elec. vehicle CAN bus system (15) and the vehicle-mounted power system (1) that is electrically connected with elec. vehicle CAN bus system (15), vehicle mounted battery management system (2), in-vehicle display system (3), vehicle-mounted Lighting System (4), it is characterized in that: all be equipped with CAN bus module (16) in described vehicle-mounted power system (1), vehicle mounted battery management system (2), in-vehicle display system (3), the vehicle-mounted Lighting System (4); Described elec. vehicle CAN bus system (15) is electrically connected with vehicle-mounted detecting system (5) and interactive system (17); Vehicle-mounted detecting system (5) is electrically connected to form by onboard sensor (14) and built-in CAN bus module (15); Interactive system (17) is made of parameter acquisition unit (18), setting parameter device (19), parameter diagnosis device (20) and parameter query device (21).

2. control mechanism for electric vehicle according to claim 1, it is characterized in that: described interactive system (17) also is electrically connected with self-checking circuit (23) and fault alarm (22).