CN211107162U - Heavy transport vehicle drives blind area monitoring system - Google Patents

Abstract

The utility model discloses to large haulage vehicle's such as freight train, passenger train driving blind area problem, designed a heavy haulage vehicle driving blind area monitoring system, audible and visual alarm device in singlechip control system, power module, microwave radar response module, ultrasonic ranging sensor and the car, singlechip control system is the minimum system that comprises STM32F103ZET6 chip. The system takes an STM32F103ZET6 type single chip microcomputer with low power consumption as a processor, other vehicles and pedestrians in a driving blind area range are monitored by a microwave radar sensing module and an ultrasonic ranging sensor, and the sound-light alarm function of a driver in the vehicle is realized through an alarm module. The system has the advantages of simple overall structure, low cost, small volume, easy arrangement and high universality, and is suitable for popularization and application on large vehicles with different specifications.

Description

Heavy transport vehicle drives blind area monitoring system

Technical Field

The utility model mainly relates to a heavy haulage vehicle drives blind area monitoring system can use on the large haulage vehicle of different specifications.

Background

In the driving process of an automobile, when a driver is in a normal driving position, an area where the sight line of the driver cannot be observed exists, namely an automobile driving blind area. Because the driver can not observe the objects in the blind area, the driving blind area can bring huge potential safety hazard to the driving of the vehicle, accidents happen at low rate, and tragedy of vehicle destruction is generated at high rate. Based on this the utility model discloses a to the real-time supervision alarm system of driving the blind area, indicate the driver to guarantee the driving safety and the pedestrian safety of vehicle.

Especially for large transport vehicles, because of the high position of the cab and the long vehicle body, the driving blind area of the large transport vehicle is more than that of the automobile, and traffic accidents are easy to happen. According to the condition, the utility model discloses the driving blind area to large-scale transport vechicle has designed, and the sensor can cover automobile body driving blind area all around completely to can real-time supervision and to the suggestion of driver.

Especially when a large transport vehicle needs to be backed, because a driver can not get off the vehicle, the blind area of the field of vision behind the vehicle is a great potential safety hazard, and safety accidents are very easy to happen. The utility model discloses a microwave radar sensor real-time supervision rear of a vehicle blind area can effectively prevent the emergence of the accident of backing a car.

Disclosure of Invention

The utility model aims to reduce casualties and unexpected traffic accidents caused by driving blind areas, and is characterized by comprising a power module, a microwave radar sensing module, an ultrasonic ranging sensor, an in-vehicle acousto-optic alarm device and a single chip microcomputer control system, wherein the single chip microcomputer control system adopts an STM32F103ZET6 single chip microcomputer to realize the data reading and outputting functions, the power module adopts L M2596S to convert 12V vehicle-mounted voltage into voltage grade which can be used by the system to supply power to the whole system, the microwave radar sensing module adopts HB100 to detect whether people and obstacles exist in front of and behind the vehicle, the ultrasonic sensor adopts HC-SR04 to detect whether people and obstacles exist on two sides of the vehicle body, and the in-vehicle acousto-optic alarm device adopts an SFM-27-W low-level buzzer and a L ED lamp to be connected with an STM32 single chip microcomputer to perform acousto-optic alarm.

The utility model discloses control module adopts STM32F103ZET6 chip as main control unit, and the key feature of this chip is as follows: (1) the data processing method has strong data processing capacity and enough large memories for storing data; (2) the price, power consumption and stability are high in comprehensive cost performance; (3) STM32F103ZET6, core is ARM 32 bit Cortex^TMM3 CPU, 100 pins total.

The power module of the utility model adopts L M2596S to supply power to the whole system, and the chip is mainly characterized in that (1) a plurality of voltage levels such as 3.3V and 5V can be output, (2) the maximum output voltage is 37V and the maximum output current is 3A, (3) the working mode has two modes of low power consumption and normal and the outside is adjustable;

microwave radar response module adopts HB100, and the key feature of this chip is as follows: (1) non-contact detection; (2) the device is not influenced by temperature, humidity, noise, air flow, dust and light, and is suitable for severe environments; (3) the radio frequency interference resistance is strong; (4) the output power is small, and the human body structure is not damaged; (5) supporting detection of non-life objects; (6) the microwave has good directivity, and the speed is equal to the speed of light; (7) the detection distance is long, the effective detection distance is 7m, and the detection of a front vehicle rear blind area of the large transport vehicle can be completely met;

ultrasonic ranging sensor adopts HC-SR04, and the key feature of this chip is as follows: (1) non-contact type; (2) can be suitable for severe environment; (3) the anti-interference capability is strong; (4) the detection range is 2cm-450cm, and the detection of blind areas on two sides of the vehicle body of the large transport vehicle can be completely met;

the acousto-optic alarm device in the vehicle adopts an SFM-27-W low level buzzer and an L ED lamp;

the utility model has the advantages that: (1) the overall circuit design is simple, the application occasions are wide, the universality and the changeability are good, and the circuit can be applied to other occasions after being slightly changed. (2) The designed connecting circuit has the advantages of low cost, easy arrangement and convenient use.

Drawings

Fig. 1 is a general structural block diagram.

Fig. 2 is a top view of a sensor mounting location.

Fig. 3 is a side view of a sensor mounting location.

Fig. 4 is a wiring diagram of the entire system.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in the general structural block diagram of fig. 1: the general structure block diagram comprises a single chip microcomputer control system, a power supply module, a microwave radar sensing module, an ultrasonic ranging sensor and an acousto-optic alarm device in the vehicle, wherein an STM32F103ZET6 single chip microcomputer is used as a main controller, and the functions of system control and data processing are completed through connection of an I/O interface and a peripheral circuit.

As shown in the top view of the sensor mounting position of fig. 2: 2 microwave radar response modules are installed at the locomotive both ends, and 2 microwave radar response modules are installed at the rear of a vehicle both ends, ultrasonic ranging sensor respectively on automobile body both sides.

As shown in the side view of the sensor mounting location of fig. 3: microwave radar response module installs at locomotive and rear of a vehicle both ends for realize the detection to the field of vision blind area of locomotive rear of a vehicle, can be according to haulage vehicle's different specifications, rationally select mounted position and number. Two ultrasonic ranging sensors are installed on two sides of the vehicle body and used for detecting the visual field blind areas on two sides of the vehicle body, and the installation positions and the number of the ultrasonic ranging sensors can be reasonably selected according to the length and the height of the vehicle body of the transport vehicle.

As shown in the wiring schematic diagram of FIG. 4, in the system of the utility model, VCC of the microwave radar sensing module is connected with +5V voltage, the signal end is connected to PB1 port of the singlechip, communicate with the singlechip, VCC of the ultrasonic ranging sensor is connected with +5V voltage, the triggering port is connected with PB8 port of the singlechip, the echo port is connected with PB9 port of the singlechip, communicate with the singlechip, buzzer in the acousto-optic alarm device in the vehicle is connected with PE3 port of the singlechip, the singlechip operates by pulling down the level of the corresponding port, L ED lamp is connected with PE5 port, when the microwave radar sensing module installed at the head and the tail of the vehicle detects someone or an obstacle, or when the ultrasonic ranging sensors at both sides of the vehicle detect that the distance between the person or the obstacle and the vehicle is less than 3m, the singlechip sends out an instruction, the acousto-optic alarm device in the vehicle installed at the cab operates, the buzzer sends out a sound, L ED lamp reminds a driving blind area to pay attention to travel carefully, thereby avoiding traffic accidents.

Claims (5)

1. The utility model provides a heavy haulage vehicle drives blind area monitoring system which characterized by: comprises a singlechip control system, a power supply module, a microwave radar sensing module, an ultrasonic distance measuring sensor and an acousto-optic alarm device in a vehicle,

the single chip microcomputer control system is a minimum system formed by an STM32F103ZET6 chip, and the functions of system control and data processing are completed through the connection of an I/O interface and a peripheral circuit;

the power supply module converts the 12V vehicle-mounted voltage into a voltage grade which can be used by a system by adopting L M2596S, and supplies power to the whole system;

the microwave radar sensing module adopts HB100 to detect whether people and obstacles exist in front of and behind the vehicle;

the ultrasonic ranging sensor is used for detecting whether people and obstacles exist on two sides of the vehicle body by adopting HC-SR 04;

the acousto-optic alarm device in the vehicle adopts an SFM-27-W low-level buzzer and an L ED lamp to realize the acousto-optic alarm function for the driver.

2. The heavy haulage vehicle blind driving area monitoring system of claim 1, wherein: and the single chip microcomputer control system adopts an STM32F103ZET6 single chip microcomputer.

3. The heavy transport vehicle blind driving area monitoring system of claim 1, wherein the power module is L M2596S module.

4. The heavy haulage vehicle blind driving area monitoring system of claim 1, wherein: the microwave radar sensing module adopts an HB100 sensor.

5. The heavy haulage vehicle blind driving area monitoring system of claim 1, wherein: the ultrasonic sensing distance measuring sensor adopts an HC-SR04 sensor.

Images