CN211617614U - Information sensing device for intelligent vehicle - Google Patents

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

An information perception device for intelligent vehicles

technical field

The utility model relates to an intelligent vehicle sensor system, in particular to an information perception device for an intelligent vehicle.

Background technique

The so-called "smart vehicle" is to add advanced sensors (radar, camera), controllers, actuators and other devices on the basis of ordinary vehicles, and realize intelligent communication with people, vehicles, roads, etc. through on-board sensing systems and information terminals. The exchange of information enables the vehicle to have intelligent environmental perception ability, can automatically analyze the safety and dangerous state of the vehicle, and make the vehicle reach the destination according to the wishes of the person, and finally realize the purpose of replacing the person to operate.

An intelligent vehicle is a comprehensive system that integrates functions such as environmental perception, planning and decision-making, and multi-level assisted driving. It uses technologies such as computers, modern sensing, information fusion, communication, artificial intelligence and automatic control. technology complex. At present, the research on intelligent vehicles mainly focuses on improving the safety and comfort of automobiles, and providing excellent human-vehicle interface. In recent years, intelligent vehicles have become a research hotspot in the field of vehicle engineering in the world and a new driving force for the growth of the automobile industry. Many developed countries have incorporated them into their key developmental intelligent transportation systems.

For example, Chinese patent CN110622504A discloses a technology of applying cameras, radar, ultrasonic and infrared sensors on vehicles, which can detect the outside of the vehicle, but it can only detect the outside, due to the lack of corresponding sensing data in the vehicle , unable to perform some automatic response processing according to the situation in the car. For example, there is a lack of detection of engine intake air temperature, and detection of tire pressure.

Utility model content

The purpose of the present invention is to provide an information sensing device for an intelligent vehicle in order to overcome the above-mentioned defects of the prior art.

The purpose of the present utility model can be achieved through the following technical solutions:

An information perception device for an intelligent vehicle, comprising a controller, an outside perception module and an inside perception module both connected to the controller, the controller is connected with a vehicle ECU through a CAN bus, the outside perception module It includes a camera group, a radar detection sensor group, an ultrasonic sensor group and an infrared sensor group, and the in-vehicle perception module includes a speed sensor, a GPS unit, a tire pressure sensor and an engine intake air temperature sensor, and the tire pressure sensor is installed inside the wheel, The engine intake air temperature sensor is located on the engine intake line.

The in-vehicle sensing module further includes an in-vehicle temperature sensor, and the in-vehicle temperature sensors are provided with two groups in total, wherein the first group of in-vehicle temperature sensors are respectively arranged on the roof of the vehicle, and the second group of in-vehicle temperature sensors are respectively arranged on the roof. It is located at the bottom of the door, and all interior temperature sensors are located inside the vehicle.

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

The engine intake air temperature sensor is a thermistor sensor.

The speed sensor is a photoelectric wheel speed sensor.

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

The alarm is sound and light alarm.

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

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

1) In addition to the sensors outside the car, it is also equipped with a speed sensor, a GPS unit, a tire pressure sensor and an engine intake air temperature sensor.

2) By arranging in-vehicle temperature sensors on the roof and the bottom of the door, the temperature of the top and bottom of the passenger compartment can be detected respectively, and it will not be affected by the foot pads, with high accuracy.

3) By configuring the air pressure sensor in the car, combined with the air pressure outside the car, a positive pressure can be formed in the car, and the unclean air outside the car can be prevented from entering the car from the window.

4) The signal data is transmitted to the vehicle ECU through the CAN bus, and the execution module can respond.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Among them: 1. External perception module, 2. In-vehicle perception module, 3. Controller, 4. CAN bus, 5. Vehicle ECU, 6. Memory, 7. Display, 8. Execution module, 11. Camera group, 12 , radar detection sensor group, 13, ultrasonic sensor group, 14, infrared sensor group, 21, speed sensor, 22, GPS unit, 23, tire pressure sensor, 24, engine intake air temperature sensor, 81, brake, 82, alarm .

Detailed ways

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

An information sensing device for an intelligent vehicle, as shown in FIG. 1 , includes a controller 3, an outside sensing module 1 and an interior sensing module 2 both connected to the controller 3, and the controller 3 communicates with the controller 3 through the CAN bus 4. The vehicle-mounted ECU 5 is connected. The external perception module 1 includes a camera group 11, a radar detection sensor group 12, an ultrasonic sensor group 13 and an infrared sensor group 14, and the in-vehicle perception module 2 includes a speed sensor 21, a GPS unit 22, a tire pressure sensor 23 and an engine. The intake air temperature sensor 24 and the tire pressure sensor 23 are installed inside the wheel, and the engine intake air temperature sensor 24 is located on the engine intake line. In addition to 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 also includes an in-vehicle temperature sensor (not shown in the figure). There are two groups of in-vehicle temperature sensors, wherein the first group of in-vehicle temperature sensors are located around the roof, and the second group of in-vehicle temperature sensors The sensors are located at the bottom of the door, and all interior temperature sensors are located inside the vehicle. By arranging interior temperature sensors on both the roof and the bottom of the door, the temperature at the top and bottom of the passenger compartment can be detected respectively, and the temperature will not be affected by the foot pads, with high accuracy.

The in-vehicle perception module 2 also includes an in-vehicle 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, and the vehicle-mounted ECU 5 is also connected to the execution module 8, which executes the The module 8 includes an alarm 82 and a brake 81 , the alarm 82 is a sound and light alarm 82 , and the vehicle-mounted ECU 5 is also connected to the vehicle-mounted display 7 .

The camera group 11 uses imaging elements such as CCDs to photograph the outside environment from different angles in all directions, and obtains image data reflecting the real road conditions according to the collected information; the radar detection sensor 12 uses electromagnetic waves to detect the distance, speed, orientation, etc. Provide long-distance vehicle and obstacle information; the ultrasonic sensor 13 generally has a detection distance of about 1m-5m, and is mainly used for the detection of close-range obstacles; the infrared sensor 14 uses infrared technology to determine whether there are pedestrians around the vehicle, and is often used. Used in night vision systems.

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 ends of the controller 3 for transmitting the perception data of the outside environment to the controller. Perform 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 ends of the controller 3 for transmitting the sensing data of the vehicle body state to the controller for processing. deal with.

In this embodiment, the output ends of the vehicle-mounted ECU 5 are respectively connected to the input ends of the brake 81 and the alarm 82, which are used for emergency braking of the vehicle and at the same time reminding the driver.

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

The utility model collects real road image data, long-distance obstacle information, short-distance obstacle information and pedestrian information respectively outside the vehicle through the camera group 11, the radar detection sensor group 12, the ultrasonic sensor group 13 and the infrared sensor group 14, and then passes the The speed sensor 21 , the GPS unit 22 , the tire pressure sensor 23 and the engine intake air temperature sensor 24 respectively collect the vehicle speed information, position information, tire pressure information and engine temperature information in the vehicle. The signal data is transmitted to the vehicle-mounted ECU 5, and finally sent to the display 7 and the memory 6 by the vehicle-mounted ECU 5. At the same time, the vehicle-mounted ECU 5 controls the start and stop of the brake 81 and the alarm 82 according to the received signal data.

Claims (8)

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.

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