CN211617614U

CN211617614U - Information sensing device for intelligent vehicle

Info

Publication number: CN211617614U
Application number: CN202020008663.9U
Authority: CN
Inventors: 韩艺婷; 倪菲
Original assignee: Tongji University
Current assignee: Tongji University
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-10-02
Anticipated expiration: 2030-01-03

Abstract

The utility model relates to an information perception device for intelligent vehicle, including the controller to and all be connected with the controller outside the car perception module and the car in the perception module, the controller passes through the CAN bus and is connected with on-vehicle ECU, and outside the car perception module includes camera group, radar detection sensor group, ultrasonic sensor group and infrared sensor group, and the car in the perception module includes speedtransmitter, GPS unit, tire pressure sensor and engine temperature sensor that admits air. Compared with the prior art, the utility model discloses except the sensor outside the car, speed sensor, GPS unit, tire pressure sensor and engine intake temperature sensor have still been disposed.

Description

Information sensing device for intelligent vehicle

Technical Field

The utility model relates to an intelligent vehicle sensor system especially relates to an information perception device for intelligent vehicle.

Background

The intelligent vehicle is characterized in that advanced sensors (radar, camera), controllers, actuators and other devices are added on the basis of a common vehicle, intelligent information exchange with people, vehicles, roads and the like is realized through a vehicle-mounted sensing system and an information terminal, the vehicle has intelligent environment sensing capability, the running safety and dangerous states of the vehicle can be automatically analyzed, the vehicle can reach a destination according to the intention of people, and finally the purpose of operation by replacing people is realized.

The intelligent vehicle is a comprehensive system integrating functions of environmental perception, planning decision, multi-level auxiliary driving and the like, intensively applies technologies such as computer, modern sensing, information fusion, communication, artificial intelligence, automatic control and the like, and is a typical high and new technology complex. The current research on intelligent vehicles mainly aims to improve the safety and the comfort of automobiles and provide excellent human-vehicle interaction interfaces. In recent years, intelligent vehicles have become hot spots for the research in the field of vehicle engineering in the world and new power for the growth of the automobile industry, and many developed countries incorporate the intelligent vehicles into intelligent transportation systems which are intensively developed.

For example, chinese patent CN110622504A discloses a technology of applying a camera, a radar, an ultrasonic wave and an infrared sensor to a vehicle, which can detect the outside of the vehicle, but it can only detect the outside, and because of lack of corresponding sensing data in the vehicle, some automatic reaction processing cannot be performed according to the situation in the vehicle. Such as lack of detection of engine intake air temperature, and detection of tire pressure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an information perception device for intelligent vehicle in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides an information perception device for intelligent vehicle, includes the controller to and all the outer perception module of car and the interior perception module of car that is connected with the controller, the controller passes through the CAN bus and is connected with on-vehicle ECU, the outer perception module of car includes camera group, radar detection sensor group, ultrasonic sensor group and infrared sensor group, the interior perception module of car includes speed sensor, GPS unit, tire pressure sensor and engine temperature sensor that admits air, tire pressure sensor installs inside the wheel, engine temperature sensor that admits air is located engine intake pipe way.

The in-vehicle sensing module further comprises two groups of in-vehicle temperature sensors, wherein the first group of in-vehicle temperature sensors are respectively arranged at each part of the roof, the second group of in-vehicle temperature sensors are respectively arranged at the bottom ends of the doors, and all the in-vehicle temperature sensors are positioned in the vehicle.

The in-vehicle sensing module further comprises an in-vehicle air pressure sensor.

The engine air inlet temperature sensor is a thermistor sensor.

The speed sensor is a photoelectric wheel rotating speed sensor.

The vehicle-mounted ECU is also connected with an execution module, and the execution module comprises an alarm and a brake.

The alarm is an audible and visual alarm.

The vehicle-mounted ECU is also connected with a vehicle-mounted display.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) in addition to the sensors outside the vehicle, a speed sensor, a GPS unit, a tire pressure sensor, and an engine intake air temperature sensor are arranged.

2) The temperature sensors in the vehicle are arranged at the top end and the bottom end of the vehicle door, so that the temperature of the top and the bottom of the passenger compartment can be respectively detected, the influence of the foot pad is avoided, and the accuracy is high.

3) By arranging the air pressure sensor in the vehicle and combining the air pressure outside the vehicle, positive pressure can be formed in the vehicle, and unclean air outside the vehicle is prevented from entering the vehicle from a vehicle window.

4) The signal data is transmitted to the vehicle-mounted ECU through the CAN bus and CAN react through the execution module.

Drawings

Fig. 1 is a schematic structural view of the present invention;

wherein: 1. the automobile air inlet temperature sensor comprises an automobile outer sensing module, 2, an automobile inner sensing module, 3, a controller, 4, a CAN bus, 5, an automobile ECU, 6, a memory, 7, a display, 8, an execution module, 11, a camera group, 12, a radar detection sensor group, 13, an ultrasonic sensor group, 14, an infrared sensor group, 21, a speed sensor, 22, a GPS unit, 23, a tire pressure sensor, 24, an engine air inlet temperature sensor, 81, a brake, 82 and an alarm.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

An information sensing device for an intelligent vehicle is shown in fig. 1 and comprises a controller 3, an external sensing module 1 and an internal sensing module 2 which are connected with the controller 3, wherein the controller 3 is connected with an on-vehicle ECU5 through a CAN bus 4, the external sensing module 1 comprises a camera group 11, a radar detection sensor group 12, an ultrasonic sensor group 13 and an infrared sensor group 14, the internal sensing module 2 comprises a speed sensor 21, a GPS unit 22, a tire pressure sensor 23 and an engine air inlet temperature sensor 24, the tire pressure sensor 23 is installed inside a wheel, and the engine air inlet temperature sensor 24 is positioned on an engine air inlet pipeline. In addition to the sensors outside the vehicle, a speed sensor 21, a GPS unit 22, a tire pressure sensor 23, and an engine intake air temperature sensor 24 are arranged.

The in-vehicle sensing module 2 further comprises two groups of in-vehicle temperature sensors (not shown), wherein the first group of in-vehicle temperature sensors are respectively arranged at each part of the roof, the second group of in-vehicle temperature sensors are respectively arranged at the bottom ends of the doors, and all the in-vehicle temperature sensors are positioned in the vehicle. The temperature sensors in the vehicle are arranged at the top end and the bottom end of the vehicle door, so that the temperature of the top and the bottom of the passenger compartment can be respectively detected, the influence of the foot pad is avoided, and the accuracy is high.

The vehicle interior sensing module 2 further comprises a vehicle interior air pressure sensor (not shown), the engine intake air temperature sensor 24 is a thermistor sensor, the speed sensor 21 is a photoelectric wheel speed sensor, the vehicle-mounted ECU5 is further connected with the execution module 8, the execution module 8 comprises an alarm 82 and a brake 81, the alarm 82 is an audible and visual alarm 82, and the vehicle-mounted ECU5 is further connected with the vehicle-mounted display 7.

The camera group 11 utilizes imaging elements such as CCD and the like to shoot the environment outside the vehicle from different angles in an omnibearing way, and obtains image data reflecting the real road condition according to the collected information; the radar detection sensor 12 detects the distance, speed, direction and the like of a target by using electromagnetic waves, and can provide long-distance vehicle and obstacle information; the ultrasonic sensor 13 generally has a detection distance of about 1 m-5 m, and is mainly used for detecting short-distance obstacles; the infrared sensor 14 is a sensor for determining whether there is a pedestrian around a vehicle using infrared technology, and is often used in a night vision system.

In this embodiment, the output ends of the camera group 11, the radar detection sensor group 12, the ultrasonic sensor group 13, and the infrared sensor group 14 are respectively connected to the input end of the controller 3, and are used for transmitting the sensed data of the environment outside the vehicle to the controller for data fusion processing.

In this embodiment, the output ends of the speed sensor 21, the GPS unit 22, the tire pressure sensor 23, and the engine intake air temperature sensor 24 are respectively connected to the input end of the controller 3, and are used for transmitting the sensed data of the vehicle body state to the controller for processing.

In this embodiment, the output end of the vehicle-mounted ECU5 is connected to the input ends of the brake 81 and the alarm 82, respectively, and is used for emergency braking of the vehicle and reminding of the driver.

The processing chip of the controller 3 may be a digital signal processor.

The utility model discloses a camera group 11, radar detection sensor group 12, real road image data outside the car is gathered respectively to ultrasonic sensor group 13 and infrared sensor group 14, remote barrier information, closely barrier information and pedestrian's information, rethread speed sensor 21, GPS unit 22, speed information in the car is gathered respectively to tire pressure sensor 23 and engine intake air temperature sensor 24, positional information, tire pressure information and engine temperature information, after the processing of controller 3, transmit signal data to on-vehicle ECU5 through CAN bus 4, send to display 7 and memory 6 by on-vehicle ECU5 at last, on-vehicle ECU5 CAN open according to opening of received signal data control stopper 81 and alarm 82 simultaneously and stop.

Claims

1. The utility model provides an information perception device for intelligent vehicle, includes the controller to and all the outer perception module of car and the interior perception module of car that is connected with the controller, the controller passes through the CAN bus and is connected with on-vehicle ECU, the outer perception module of car includes camera group, radar detection sensor group, ultrasonic sensor group and infrared sensor group, a serial communication port, the interior perception module of car includes speed sensor, GPS unit, tire pressure sensor and engine intake temperature sensor, tire pressure sensor installs inside the wheel, engine intake temperature sensor is located engine intake pipeline.

2. The information sensing device for the intelligent vehicle according to claim 1, wherein the in-vehicle sensing module further comprises two groups of in-vehicle temperature sensors, the first group of in-vehicle temperature sensors are respectively arranged at each position of a roof of the intelligent vehicle, the second group of in-vehicle temperature sensors are respectively arranged at the bottom ends of doors of the intelligent vehicle, and all the in-vehicle temperature sensors are positioned in the intelligent vehicle.

3. The information perception device for the smart vehicle as claimed in claim 1, wherein the in-vehicle perception module further includes an in-vehicle air pressure sensor.

4. The information sensing device for the intelligent vehicle according to claim 1, wherein the engine intake air temperature sensor is a thermistor sensor.

5. The information sensing device for the intelligent vehicle according to claim 1, wherein the speed sensor is an optoelectronic wheel speed sensor.

6. The information sensing device for the intelligent vehicle according to claim 1, wherein the vehicle-mounted ECU is further connected with an execution module, and the execution module comprises an alarm and a brake.

7. The information sensing device of claim 6, wherein the alarm is an audible and visual alarm.

8. The information perception device for the intelligent vehicle as claimed in claim 1, wherein the vehicle-mounted ECU is further connected with a vehicle-mounted display.