Vehicle body control system for electric vehicle and method for calculating road gradient

A body control and electric vehicle technology, which is applied in the direction of automatic steering control components, vehicle components, steering mechanisms, etc., can solve problems such as the inability to automatically adjust the output torque of the motor, the inability to detect the slope of the driving road, and the shortening of the mileage of electric vehicles, etc., to achieve Reduces the risk of battery theft, improves cycling safety, and reduces noise

Active Publication Date: 2014-08-13
ZHEJIANG JINKAI ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Moreover, the current electric vehicles on the market cannot detect the slope of the driving road and cannot automatically adjust the output torque of the motor. The waste of battery power is obvious, making the mileage of electric vehicles shorter and inconvenient for people to travel.

Method used

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  • Vehicle body control system for electric vehicle and method for calculating road gradient
  • Vehicle body control system for electric vehicle and method for calculating road gradient
  • Vehicle body control system for electric vehicle and method for calculating road gradient

Examples

Experimental program
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Effect test

Embodiment 1

[0045] Electric vehicle body control systems, such as Figure 1 to Figure 2 As shown, it includes a light unit, an alarm unit, a motor drive unit, a bus meter unit, a turn signal unit and a CPU, the light unit includes a light control module, the alarm unit includes an alarm control module, the bus meter unit includes a display control module, and the turn signal unit includes Steering control module, lighting control module, alarm control module, display control module, and at least one control module among the steering control module are integrated on the same integrated chip with the CPU. After being integrated on the same integrated chip, it is called an integrated module. Each unit is equipped with a control module for controlling the working state of the unit.

[0046] In this embodiment, the lighting control module, the alarm control module, the display control module, the steering control module and the CPU are all integrated on the same integrated chip.

[0047] It a...

Embodiment 2

[0064] The method for calculating the slope of the road surface on which the electric vehicle is driven comprises the following steps: the electric vehicle is provided with a three-axis gravity acceleration sensor, a CPU, a motor controller, and a bus instrument unit,

[0065] A. The bus instrument unit is installed on the electric vehicle on the horizontal road, and the zero slope value of the driving road is set through the zero calibration device; the zero calibration device adopts a button or a combination switch;

[0066] B. During the riding process, the bus instrument unit collects the signal of the three-axis gravity acceleration sensor in real time, and obtains the information of the current driving road slope value α after filtering, as follows:

[0067] The three-axis gravity acceleration sensor detects the value of the gravity acceleration in the X, Y, and Z directions of the electric vehicle in real time. Using the three-axis acceleration sensor can separate the dr...

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Abstract

The invention relates to the field of electric vehicles, and discloses a vehicle body control system for an electric vehicle and a method for calculating the road gradient. The vehicle body control system comprises a lamplight control module, an alarm control module, a display control module and a steering control module, wherein at least one control module in the lamplight control module, the alarm control module, the display control module and the steering control module is integrated onto the same integrated chip together with a CPU (Central Processing Unit). The control modules for controlling the working state of each unit is integrated onto the same chip together with the CPU, and are centralized, so that wiring is simplified, wiring harnesses become simpler, and the cost is lowered; the CPU is used for acquiring signals of a three-axle gravity acceleration sensor and automatically calculating the gradient value of a road on which the electric vehicle runs in order to transmit gradient information to the motor controller; the motor controller is used for adjusting the output torque of the motor according to the current road gradient information, so that an intelligent energy output adjusting function is realized, unnecessary consumption of battery power is lowered, and the trip distance is prolonged.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to an electric vehicle body control system and a method for calculating the slope of a running road surface. Background technique [0002] At present, traditional electric vehicles are equipped with peripheral equipment such as instruments, alarms, flashers, controllers, and light group drive modules. The cables are complicated, the lines are cumbersome, there are many branches, the voltage drop of the lines is large, and the protection performance of the whole vehicle is poor. The battery is easy to be stolen; and there is basically no direct command connection between the controller and the instrument during use, so there are some hidden dangers to the safety of the vehicle. The following means that the user cannot take certain measures correctly without the user's knowledge. [0003] The current electric vehicles are not equipped with automatic steering function equipment. Some ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D6/00B60W40/076B60W50/14B62D113/00
Inventor 方火军方进范韩伟鲍婕
Owner ZHEJIANG JINKAI ELECTRONICS TECH CO LTD
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