CN210793082U

CN210793082U - Electric vehicle with collision accident alarm function

Info

Publication number: CN210793082U
Application number: CN201921929712.6U
Authority: CN
Inventors: 张学斌; 谈正言
Original assignee: Wuxi Lingbo Electronic Technology Co ltd
Current assignee: Wuxi Lingbo Electronic Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-19
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses an electric vehicle with collision accident alarm function, which relates to the field of electric vehicles.A MCU of the electric vehicle is connected with a GPS positioning module, a GPRS communication module, a 6-axis motion sensor, a front camera, a rear camera, a 2-axis steering engine cradle head and a Hall speed measuring sensor; the vehicle-mounted power supply is connected with the GPS positioning module, the GPRS communication module and the power supply conversion circuit, and the power supply conversion circuit is connected with the MCU, the 6-axis motion sensor, the front camera, the rear camera, the 2-axis steering engine holder and the Hall speed measuring sensor; the 6-axis motion sensor and the Hall speed measuring sensor are used for providing posture data of the electric vehicle so as to judge whether severe collision occurs, the camera can collect accident site data, the GPS positioning module is used for positioning, the GPRS communication module is used for realizing an alarm function, and a hardware basis is provided for the collision accident alarm function of the electric vehicle.

Description

Electric vehicle with collision accident alarm function

Technical Field

The utility model belongs to the technical field of the electric motor car and specifically relates to an electric motor car with collision accident alarming function.

Background

With the increasing speed of the electric vehicle, the driving safety problem of the electric vehicle is not concerned, the safety auxiliary technology of the current electric vehicle is not perfect enough, after the electric vehicle has a collision accident, the treatment after the serious collision accident depends on the alarm of passers-by, and no effective alarm or emergency contact equipment is provided, but not all the situations can be found by the passers-by, so that the electric vehicle with the collision accident alarm function is produced.

SUMMERY OF THE UTILITY MODEL

The inventor provides an electric vehicle with a collision accident warning function aiming at the problems and the technical requirements.

The technical scheme of the utility model as follows:

an electric vehicle having a collision accident warning function, comprising: the electric vehicle comprises an electric vehicle main body, and an MCU, a GPS positioning module, a GPRS communication module, a 6-axis motion sensor, a front camera, a rear camera, a 2-axis steering engine holder, a Hall speed measuring sensor, a power supply conversion circuit and a vehicle-mounted power supply which are arranged on the electric vehicle main body;

the MCU is connected with the GPS positioning module, the GPRS communication module, the 6-axis motion sensor, the front camera, the rear camera, the 2-axis steering engine holder and the Hall speed measuring sensor; the vehicle-mounted power supply is connected with the GPS positioning module, the GPRS communication module and the power supply conversion circuit, and the power supply conversion circuit is connected with the MCU, the 6-axis motion sensor, the front camera, the rear camera, the 2-axis steering engine holder and the Hall speed measuring sensor; the front camera is installed inside the hood of electric motor car main part, and the back camera passes through 2 steering wheel cloud platforms and hangs upside down in the back tail bottom of the case portion of electric motor car main part, and GPS orientation module, GPRS communication module, MCU, power switching circuit and 6 motion sensor install inside the front panel of electric motor car main part, and hall tachometer sensor installs on the preceding support of inserting of electric motor car main part and towards the wheel, and vehicle mounted power installs in the saddle below of electric motor car main part.

The further technical scheme is that the MCU, the power conversion circuit and the 6-axis motion sensor are integrated on a PCB control board.

The further technical scheme is that the MCU is realized based on an STM32f103 single chip microcomputer, the 6-axis motion sensor is realized based on an MPU6050 chip, the GPRS communication module is realized based on a 710GPRS module, the front camera and the rear camera are respectively realized based on an OV2640 module, and the Hall speed measurement sensor is realized based on an HCPL2631 chip.

The utility model has the beneficial technical effects that:

according to the electric vehicle with the collision accident alarming function, the MCU reads the attitude data of the 6-axis motion sensor through the IIC interface, whether the electric vehicle is in violent collision in the running process or not is detected, the MCU receives the data of the Hall speed measuring sensor, the speed of the current electric vehicle is calculated, and the data serves as the basis of the collision accident of the electric vehicle. When the electric vehicle has a collision accident, the speed of the electric vehicle acquired by the MCU at the previous moment is saved, the surrounding environment of the electric vehicle is collected by the front camera and the rear camera to generate an accident scene picture, the speed of the electric vehicle, the accident scene picture and GPS positioning information are transmitted to an emergency contact person bound by the mobile phone APP of the vehicle owner by the MCU through network communication formed by the GPRS communication module, the electric vehicle does not depend on passersby when the collision accident occurs, and the safety of the vehicle owner is guaranteed.

Drawings

Fig. 1 is a block diagram illustrating a structure of an electric vehicle having a collision accident warning function according to the present invention.

Fig. 2 is a signal acquisition circuit diagram of the hall tachometer sensor of the present application.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1, an electric vehicle having a collision accident warning function according to the present application includes: the electric motor car main part and install MCU, GPS orientation module, GPRS communication module, 6 axis motion sensor, leading camera, rear camera, 2 steering wheel cloud platforms, hall speed sensor, power supply switching circuit and the vehicle mounted power in the electric motor car main part.

The MCU of this application is realized based on STM32f103 singlechip, and MCU connects GPS orientation module, GPRS communication module, 6 motion sensor, leading camera, rear camera, 2 steering wheel cloud platforms and hall speed sensor. GPS orientation module is connected to the vehicle mounted power, GPRS communication module, power conversion circuit connects MCU, 6 axis motion sensor, leading camera, rearmounted camera, 2 axle steering wheel cloud platform and hall tachometer sensor (power conversion circuit is the power supply connection relation of each other module not shown in figure 1), wherein, MCU, power conversion circuit and 6 axis motion sensor are integrated on the PCB control panel, vehicle mounted power is used for giving GPS orientation module promptly, GPRS communication module, the power supply of PCB control panel, the PCB control panel is used for giving leading camera, rearmounted camera, 2 axle steering wheel cloud platform and hall tachometer sensor power supply. The power conversion circuit is a conventional circuit for converting voltage and providing required voltage for each power utilization part, and belongs to a conventional circuit in the field, and specific circuits of the power conversion circuit are not described in detail in the application.

The specific installation positions of the modules and the circuits in the electric vehicle are as follows:

the front camera is installed inside a hood of an electric vehicle main body and used for directly collecting the front environment image of the electric vehicle, the rear camera is hung at the bottom of a rear tail box of the electric vehicle main body through 2 steering engine holders, namely, the 2 steering engine holders drive the rear camera to realize the movement of a pitch axis and a course axis, so that the rear camera collects the rear surrounding environment image of the electric vehicle, every rear camera collects one image, the pitch angle rotates by 90 degrees, the front camera and the rear camera are respectively realized based on an OV2640 module, and the position where the cameras are placed is convenient for collecting images in different directions. GPS orientation module, GPRS communication module, MCU, power supply converting circuit and 6 motion sensor install inside the front panel of electric motor car main part, GPS orientation module promptly, GPRS communication module, the PCB control panel is installed inside the front panel of electric motor car main part, GPS orientation module is used for fixing a position the positional information of electric motor car and sends to MCU, GPRS communication module is based on 710GPRS module realization, its network communication function has realized the communication interaction of electric motor car with car owner's cell-phone end, 6 motion sensor realizes based on MPU6050 chip, an attitude data for real-time detection calculates the electric motor car and sends to MCU. The Hall speed sensor is installed on the front insertion support of the electric vehicle main body and faces the wheel, the Hall speed sensor is realized based on the HCPL2631 chip and is used for collecting the number of the rotation circles of the front wheel of the electric vehicle and sending the rotation circles to the MCU, and a signal collection circuit diagram of the Hall speed sensor is shown in figure 2. The vehicle-mounted power supply is arranged below a saddle of the electric vehicle main body.

Based on the circuit and the mechanical structure of the electric vehicle disclosed by the application, the realization process of the collision accident alarm function can be realized as follows:

when the electric vehicle runs, the MCU acquires attitude data of the 6-axis motion sensor through the IIC interface, and the MCU receives the data of the Hall speed measurement sensor to calculate the current speed of the electric vehicle, so as to detect whether the electric vehicle is violently collided in the running process. When the MCU detects a collision accident, the MCU stores the speed of the electric vehicle acquired at the previous moment, the front camera and the rear camera immediately acquire images of the surrounding environment of the electric vehicle to generate scene-of-accident pictures to be transmitted to the MCU, the MCU transmits the speed of the electric vehicle, the scene-of-accident pictures and GPS positioning information to an emergency contact bound by a mobile phone APP of a vehicle owner through network communication formed by GPRS communication modules, the electric vehicle does not depend on passersby when the collision accident occurs, and the safety of the vehicle owner is ensured. It should be noted that the implementation of the above functions is determined by the structure disclosed in the present application and the attributes of each part of the circuit components, and is not dependent on the specific computer program executed by the MCU, and the computer program required to implement the above functions based on the structure disclosed in the present application is within the routine configuration of those skilled in the art, and is not within the scope of the present application.

What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.

Claims

1. An electric vehicle having a collision accident warning function, characterized by comprising: the electric vehicle comprises an electric vehicle main body, and an MCU, a GPS positioning module, a GPRS communication module, a 6-axis motion sensor, a front camera, a rear camera, a 2-axis steering engine holder, a Hall speed measuring sensor, a power supply conversion circuit and a vehicle-mounted power supply which are arranged on the electric vehicle main body;

the MCU is connected with the GPS positioning module, the GPRS communication module, the 6-axis motion sensor, the front camera, the rear camera, the 2-axis steering engine holder and the Hall speed measuring sensor; the vehicle-mounted power supply is connected with the GPS positioning module, the GPRS communication module and the power supply conversion circuit, and the power supply conversion circuit is connected with the MCU, the 6-axis motion sensor, the front camera, the rear camera, the 2-axis steering engine holder and the Hall speed measuring sensor; the front camera is installed inside the hood of electric motor car main part, the rear camera passes through 2 steering wheel cloud platforms hang upside down the back tail bottom of the case portion of electric motor car main part, GPS orientation module GPRS communication module MCU power switching circuit with 6 motion sensor install inside the front panel of electric motor car main part, hall tacho sensor installs on the preceding support of inserting of electric motor car main part and towards the wheel, vehicle mounted power installs the saddle below of electric motor car main part.

2. The electric vehicle of claim 1, wherein the MCU, the power conversion circuit, and the 6-axis motion sensor are integrated on a PCB control board.

3. The electric vehicle according to claim 1 or 2, wherein the MCU is implemented based on an STM32f103 single chip microcomputer, the 6-axis motion sensor is implemented based on an MPU6050 chip, the GPRS communication module is implemented based on a 710GPRS module, the front camera and the rear camera are respectively implemented based on an OV2640 module, and the Hall velocity measurement sensor is implemented based on an HCPL2631 chip.