CN214728648U

CN214728648U - Vehicle-mounted human body detection linkage device

Info

Publication number: CN214728648U
Application number: CN202120288768.9U
Authority: CN
Inventors: 林传敬; 尚伟; 詹俊
Original assignee: Wuhan Jingming Ruiji Information Technology Co ltd
Current assignee: Wuhan Jingming Ruiji Information Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-16
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses an on-vehicle human detection aggregate unit, including power module, processor module, human infrared induction module, on-vehicle well accuse ware, door window controller, sound module, power module gives the processor module power supply, processor module communicates and receives human infrared induction module's signal through CAN bus and on-vehicle well accuse ware, human infrared induction module detects the infrared ray of human release through pyroelectric effect, it converts digital pulse signal output to again after circuit amplification to acquire the sensing signal and gives processor module, on-vehicle well accuse ware is vehicle interior control unit, CAN be according to CAN bus signal and door window controller, sound module communicates, the lift of door window controller CAN control the door window, sound module control vehicle-mounted loudspeaker is reported to the police. The utility model discloses can effectively detect the interior personnel activity of car, have personnel to be detained when detecting and trigger audible alarm and remind the driver and open the window and ventilate and avoid stifling the death.

Description

Vehicle-mounted human body detection linkage device

Technical Field

The utility model is used for to the inside personnel's of car detection, whether detect behind the vehicle locking have the linkage of detaining personnel.

Background

At present, private cars and school buses in kindergartens die due to suffocation caused by the fact that children are carelessly detained in the cars, so that the development of a vehicle-mounted human body detection linkage device is very necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device that personnel detected in car, it is detained to detect someone in the car after the vehicle is flamed out and is locked the car, links on-vehicle well accuse ware and door window controller, sound module, controls on-vehicle loudspeaker and reports to the police and open the door window.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a vehicle-mounted human body detection linkage device, includes power module, processor module, human infrared induction module, on-vehicle well accuse ware, door window controller, sound module, power module supply power for the processor module, the processor module communicate and receive human infrared induction module's signal through CAN bus and on-vehicle well accuse ware, human infrared induction module detect the infrared ray of human release through pyroelectric effect, acquire the response signal and convert digital pulse signal output to for the processor module after circuit amplification again, on-vehicle well accuse ware be vehicle interior control unit, CAN communicate with door window controller and sound module according to CAN bus, the door window controller CAN control the lift of door window, sound module control vehicle horn report to the police.

In the vehicle-mounted human body detection linkage device, the input voltage of the power supply module is the voltage of the automobile battery, and the power supply module supplies power to the processor module after voltage reduction and voltage stabilization through the LDO chip.

In the vehicle-mounted human body detection linkage device, the processor module processes signals sent by the human body infrared induction module, and a standard CAN communication chip is arranged in the processor module and is communicated with the vehicle-mounted central controller through a CAN bus.

In the vehicle-mounted human body detection linkage device, the human body infrared sensing module is internally provided with the sensing probe, detects infrared rays released by a human body through a pyroelectric effect, and outputs a stable pulse signal through filtering processing.

According to the vehicle-mounted human body detection linkage device, the vehicle-mounted central controller is communicated with the vehicle window controller and the sound module through the CAN bus according to the signal of the processor module.

In the vehicle-mounted human body detection linkage device, the vehicle window controller module controls the lifting of the vehicle window.

In the vehicle-mounted human body detection linkage device, the sound module controls the vehicle-mounted horn to give an alarm.

The utility model discloses a modular design scheme has the advantage that the design is simple, adaptability is strong. The utility model discloses can effectively detect the interior personal activity of car, have personnel to be detained when detecting and trigger audible alarm and remind the driver and open the window and ventilate and avoid stifling the death.

Drawings

Fig. 1 is a circuit structure diagram of the vehicle-mounted human body detection linkage device of the utility model.

Fig. 2 is the working principle diagram of the vehicle-mounted human body detection linkage device of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific operational schematic diagrams described herein are merely illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1 and 2, a vehicle-mounted human body detection linkage device comprises a power module 1, a processor module 2, a human body infrared induction module 3, a vehicle-mounted central controller 4, a vehicle window controller 5 and a sound module 6, the power module 1 supplies power to the processor module 2, the processor module 2 communicates with the vehicle-mounted central controller 4 through the CAN bus and collects signals of the human body infrared induction module 3, the human body infrared induction module 3 detects infrared rays released by a human body, signals are converted into digital pulse signals after being amplified by a circuit and then are output to the processor module 2, the vehicle-mounted central controller 4 is a vehicle internal control unit which CAN communicate with a vehicle window controller 5 and a sound module 6 through a CAN bus, the car window controller 5 can control the car window to lift, and the sound module 6 controls the vehicle-mounted horn to give an alarm.

The input voltage of the power module 1 is the voltage of an automobile battery, and the power module supplies power to the processor module after voltage reduction and voltage stabilization through the LDO chip LM 1117.

The processor module 2 adopts an STM32F103C8T6 chip and a peripheral circuit as a microprocessor, CAN process digital pulse signals sent by the human body infrared induction module 3, is internally provided with a standard CAN communication chip and is communicated with the vehicle-mounted central controller 4 through a CAN bus.

The human body infrared induction module 3 detects infrared rays released by a human body according to a pyroelectric effect principle, and stable pulse signals are output by filtering and amplifying signals.

The vehicle-mounted central controller module 4 is a central control unit in the vehicle, receives signals of the processor module 2 through a CAN bus, and is linked with the vehicle window controller 5 and the sound module 6.

The vehicle window controller module 5 is a vehicle internal vehicle window controller and CAN control the lifting of 4 vehicle windows according to CAN bus signals.

The sound module 6 is a horn control device in the vehicle and CAN control a horn to alarm according to CAN bus signals.

Claims

1. A vehicle-mounted human body detection linkage device is characterized by comprising a power module (1), a processor module (2), a human body infrared induction module (3), a vehicle-mounted central controller (4), a vehicle window controller (5) and a sound module (6), wherein the power module (1) supplies power to the processor module (2), the processor module (2) is communicated with the vehicle-mounted central controller (4) through a CAN bus and collects signals of the human body infrared induction module (3), the human body infrared induction module (3) detects infrared rays released by a human body through a pyroelectric effect, the obtained induction signals are amplified by a circuit and then converted into digital pulse signals to be output to the processor module (2), the vehicle-mounted central controller (4) is a vehicle internal control unit and CAN be communicated with the vehicle window controller (5) and the sound module (6) through the CAN bus, the car window controller (5) can control the car window to lift, and the sound module (6) controls the vehicle-mounted horn to give an alarm.

2. The vehicle human detection linkage of claim 1, wherein: the input voltage of the power supply module (1) is the voltage of an automobile battery, and the power supply module supplies power to the processor module (2) after voltage reduction and voltage stabilization through the LDO chip LM 1117.

3. The vehicle human detection linkage of claim 1, wherein: the processor module (2) adopts an STM32F103C8T6 chip and a peripheral circuit as a microprocessor, CAN process digital pulse signals sent by the human body infrared induction module (3), is internally provided with a standard CAN communication chip and is communicated with the vehicle-mounted central controller (4) through a CAN bus.

4. The vehicle human detection linkage of claim 1, wherein: the human body infrared induction module (3) detects infrared rays released by a human body according to the pyroelectric effect principle, and outputs stable pulse signals after filtering processing and signal amplification.

5. The vehicle human detection linkage of claim 1, wherein: the vehicle-mounted central controller module is a vehicle internal control unit, receives signals of the processor module (2) through a CAN bus, and is linked with the vehicle window controller (5) and the sound module (6).

6. The vehicle human detection linkage of claim 1, wherein: the window controller module is a window controller in the vehicle and CAN control the lifting of 4 windows according to CAN bus signals.

7. The vehicle human detection linkage of claim 1, wherein: the sound module (6) is a horn control device in the vehicle and CAN control a horn to alarm according to CAN bus signals.