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Automobile pedestrian anticollision infrared ray automatic induction apparatus

An infrared sensor and automatic induction technology, which is applied in signal devices, sound signal devices, vehicle components, etc., can solve the problems of inability to monitor pedestrians in all directions and continuously, and achieve energy loss reduction, wide detection range, and low current consumption. Effect

Active Publication Date: 2009-03-11
CHERY AUTOMOBILE CO LTD
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AI Technical Summary

Problems solved by technology

[0003] The present invention provides a pedestrian anti-collision infrared automatic sensing device in order to solve the problem that the current automobile cannot carry out all-round and continuous monitoring of pedestrians near the vehicle body

Method used

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  • Automobile pedestrian anticollision infrared ray automatic induction apparatus
  • Automobile pedestrian anticollision infrared ray automatic induction apparatus

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Embodiment Construction

[0013] The present invention will be further explained below in conjunction with the drawings.

[0014] Such as figure 1 As shown, the automatic infrared sensor device for car and pedestrian collision avoidance includes: infrared sensor 1, LCD display 2, circuit system 3, CPU processor 4, and alarm 5. The circuit system is composed of an amplifier circuit, a filter circuit, and a comparison circuit. MCUs such as MCS-51 or PIC can be used.

[0015] Such as figure 2 As shown, the infrared sensor 1 is installed at various positions of the vehicle body that are not easily involved in the driver’s field of vision. The installation position can be in the sheet metal of the door and the rear hatch. A small hole is opened in the sheet metal to slightly expose the infrared sensor probe. That's it. When a pedestrian approaches the car, the infrared sensor 1 receives the infrared signal radiated by the human body and sends the received signal to the circuit system 3. The circuit system 3 pr...

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Abstract

The invention discloses a pedestrian bump-resistant infrared automatic sensor device for a vehicle, which comprises an infrared sensor, a display, a circuit system, a CPU processor and a alarm device, wherein, the infra-red sensor is arranged on the vehicle body where the field of vision of a driver is not easy to reach, so as to receive infrared signals radiated by a human body; then the infrared signals is sent to the circuit system; the circuit system converts the infrared signals received into electrical signals which is outputted to the display and the CPU processor; the display shows the image of the sketchy outline of an infrared emitter and the distance between a pedestrian and the vehicle body; the CPU processor calculates the distance between the pedestrian and the vehicle body by the radiation intensity of the infrared signals, when the distance is less than the threshold value of safe distance, the alarm device sends out alarm signals. The device settles the problem that the comprehensive and continuous monitoring of pedestrians near the vehicle body are unable to be achieved; the device has the advantages of wide detection scope, good visual effect and multiple functions.

Description

Technical field [0001] The invention belongs to the technical field of automobile electronics, and specifically relates to an infrared automatic sensor device for preventing collisions of automobile pedestrians. Background technique [0002] When a car is driving or reversing in a place with heavy traffic, it is easy to collide with pedestrians. Because the driver's field of vision is limited, and when there are many pedestrians, the driver cannot take into account every position near the vehicle at the same time, especially the probability of a collision accident at night is higher. At present, the only device that monitors body accessories is the reversing radar that monitors the rear of the car when the gear is in reverse gear. There is no device that can continuously monitor the vicinity of other positions on the body or even around the body. Summary of the invention [0003] In order to solve the problem that the current automobile cannot perform all-round and continuous mo...

Claims

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Application Information

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IPC IPC(8): B60R16/02B60Q5/00
Inventor 罗驰
Owner CHERY AUTOMOBILE CO LTD
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