阅读说明：本技术 一种引擎盖开闭状态监控保护系统的控制方法 (Control method of engine hood open-close state monitoring protection system ) 是由 杨兵 于 2019-10-25 设计创作，主要内容包括：本发明公开了一种引擎盖开闭状态监控保护系统的控制方法,A、感应器接收引擎盖开启或闭合的信号并传输给汽车仪表,比较器根据输入接口接收的信号值与预设值进行比较判断；B、当步骤A中的信号值大于预设值,仪表盘点亮表示引擎盖开启；反之仪表盘不点亮表示引擎盖闭合；C、当车辆未解锁且步骤A中信号值大于预设值,车灯闪烁并蜂鸣器报警表示引擎盖开启；反之当车辆为解锁且步骤A中信号值不大于预设值,则此时仪表盘不点亮、车灯不闪烁并蜂鸣器不报警表示引擎盖闭合。本发明具有如下优点：采用非接触式传感器结构,降低使用故障率,提高工作可靠性,降低报警延时性。(The invention discloses a control method of a hood opening and closing state monitoring and protecting system, wherein A, a sensor receives a hood opening or closing signal and transmits the hood opening or closing signal to an automobile instrument, and a comparator compares and judges the signal value received by an input interface with a preset value; B. when the signal value in the step A is larger than a preset value, the instrument panel is lightened to show that the engine cover is opened; otherwise, the instrument panel is not lightened to indicate that the engine cover is closed; C. when the vehicle is not unlocked and the signal value in the step A is larger than a preset value, the vehicle lamp flickers and the buzzer gives an alarm to indicate that the engine cover is opened; and otherwise, when the vehicle is unlocked and the signal value in the step A is not greater than the preset value, the instrument panel is not lightened, the vehicle lamp does not flicker, the buzzer does not give an alarm, and the engine cover is closed. The invention has the following advantages: by adopting a non-contact sensor structure, the use failure rate is reduced, the working reliability is improved, and the alarm time delay is reduced.)

1. The control method of the engine hood open-close state monitoring protection system is characterized in that the monitoring protection system is arranged on the engine hood and comprises an inductor, an automobile instrument, an automobile lamp and a buzzer, wherein the automobile instrument receives signals collected by the inductor; the automobile instrument comprises a processor and an instrument panel, the processor is connected with the sensor and comprises an input interface for receiving signals, an output interface and a comparator, the comparator is connected with the input interface, the comparator generates an instrument panel lighting control signal, an automobile lamp flickering control signal and a buzzer activation control signal according to the signal value received by the input interface, the instrument panel is connected with the processor and receives the instrument panel lighting control signal output by the processor, and the output interface is respectively and electrically connected with the instrument panel, the automobile lamp and the buzzer;

the control method of the monitoring protection system comprises the following steps:

A. the sensor receives a signal of opening or closing the engine cover and transmits the signal to the automobile instrument, and the comparator compares and judges the signal value received by the input interface with a preset value;

B. when the signal value in the step A is larger than the preset value, the automobile instrument sends an instrument panel lighting control signal to the instrument panel, and the instrument panel is lighted at the moment to indicate that the engine cover is opened; otherwise, when the signal value in the step A is not larger than the preset value, the automobile instrument does not send an instrument panel lighting control signal and transmits the signal to the instrument panel through the output interface, and the instrument panel is not lighted at the moment to indicate that the engine cover is closed;

C. when the vehicle is not unlocked and the signal value in the step A is larger than a preset value, the automobile instrument generates an instrument panel lighting control signal, a vehicle lamp flickering control signal and a buzzer activation control signal and transmits the signals to the instrument panel, the vehicle lamp and the buzzer through the output interfaces respectively, and the vehicle lamp flickering and the buzzer alarm to indicate that the engine cover is opened; and otherwise, when the vehicle is unlocked and the signal value in the step A is not greater than the preset value, the instrument panel is not lightened, the vehicle lamp does not flicker, the buzzer does not give an alarm, and the engine cover is closed.

2. The control method of a hood opening/closing state monitoring protection system according to claim 1,

when the vehicle is overhauled, the vehicle is unlocked, the engine cover is opened, the sensor collects an opening signal of the engine cover and transmits the opening signal to the automobile instrument, the comparator in the automobile instrument compares the opening signal value with a preset value, the opening signal value is larger than the preset value, the comparator generates an instrument panel lighting control signal and transmits the signal to the instrument panel through the output interface, and the instrument panel is lighted;

after the vehicle is overhauled, the vehicle is unlocked, the engine cover is closed, the sensor collects the closing signal and transmits the closing signal to the automobile instrument, the comparator of the automobile instrument compares the closing signal with a preset value, if the value of the closing signal is not greater than the preset value, the automobile instrument does not send an instrument panel lighting control signal to the instrument panel, and the instrument panel is turned off to indicate that the engine cover is locked; if the closing signal value is larger than the preset value, the automobile instrument sends an instrument panel lighting control signal and transmits the signal to the instrument panel through the output interface, and the instrument panel is lighted to indicate that the engine cover is not locked.

3. The control method of the hood opening and closing state monitoring and protecting system according to claim 1, wherein the sensor is disposed on the hood near a portion where the hood is locked with the vehicle body.

4. The control method of the hood opening and closing state monitoring and protecting system according to claim 1, wherein the comparator receives a signal value of the input interface greater than a preset value and generates an instrument panel lighting control signal.

5. The control method of the hood opening and closing state monitoring and protecting system according to claim 1, wherein a lamp flashing control signal and a buzzer activating control signal are generated when the vehicle is not unlocked and a signal value of a signal interface received by the comparator is greater than a preset value.

6. The control method of the hood opening/closing state monitoring protection system according to claim 1, characterized in that: the buzzer is arranged on the vehicle body.

Technical Field

The invention belongs to the field of automobile driving safety, and particularly relates to a control method of a monitoring and protecting system for the open-close state of an engine hood.

Background

The automobile engine hood is arranged at the head of an automobile and is an indispensable part of the automobile, and the engine hood mainly plays a role in protecting the safety of various parts of an engine compartment and fully protecting the normal work of the automobile. Therefore, in order to ensure safety, a driver needs to confirm that the engine cover is in a covering state in the driving process of the automobile, and sometimes the engine cover is covered conveniently after the automobile is overhauled and maintained, a locking mechanism on the engine cover is not locked with an automobile body, when the automobile is driven at high speed or on a severely bumpy road surface, the engine cover is turned upwards under the action of air or external force and then directly smashes on the windshield, the windshield is damaged, and even major traffic accidents are caused; or the phenomenon that the storage battery is stolen when the automobile stops at the roadside.

Patent No. 201310563701.1 an automobile engine hood does not lock alarm device, adopts the alarm system of mechanical structure contact, and mechanical structure contact alarm system fault rate is high in the use, and the wrong report is alert scheduling problem appears easily, reports to the police again through mechanical contact and can have the hysteresis quality, for avoiding the emergence of above-mentioned phenomenon, needs to provide a non-contact can monitor the control method of protection engine hood open and close state, through the retrieval, does not find similar patent.

Disclosure of Invention

The invention aims to provide a control method of a monitoring and protecting system for the open-close state of an engine hood aiming at the defects of the prior art, which adopts a non-contact sensor structure to reduce the use failure rate, improve the working reliability and reduce the alarm time delay.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a control method of a monitoring and protecting system for the open-close state of a bonnet is characterized in that the monitoring and protecting system is arranged on the bonnet and comprises an inductor, an automobile instrument, a lamp and a buzzer, and the automobile instrument receives a signal collected by the inductor; the automobile instrument comprises a processor and an instrument panel, the processor is connected with the sensor and comprises an input interface for receiving signals, an output interface and a comparator, the comparator is connected with the input interface, the comparator generates an instrument panel lighting control signal, an automobile lamp flickering control signal and a buzzer activation control signal according to the signal value received by the input interface, the instrument panel is connected with the processor and receives the instrument panel lighting control signal output by the processor, and the output interface is respectively and electrically connected with the instrument panel, the automobile lamp and the buzzer;

the control method of the monitoring protection system comprises the following steps:

A. the sensor receives a signal of opening or closing the engine cover and transmits the signal to the automobile instrument, and the comparator compares and judges the signal value received by the input interface with a preset value;

B. when the signal value in the step A is larger than the preset value, the automobile instrument sends an instrument panel lighting control signal to the instrument panel, and the instrument panel is lighted at the moment to indicate that the engine cover is opened; otherwise, when the signal value in the step A is not larger than the preset value, the automobile instrument does not send an instrument panel lighting control signal and transmits the signal to the instrument panel through the output interface, and the instrument panel is not lighted at the moment to indicate that the engine cover is closed;

C. when the vehicle is not unlocked and the signal value in the step A is larger than a preset value, the automobile instrument generates an instrument panel lighting control signal, a vehicle lamp flickering control signal and a buzzer activation control signal and transmits the signals to the instrument panel, the vehicle lamp and the buzzer through the output interfaces respectively, and the vehicle lamp flickering and the buzzer alarm to indicate that the engine cover is opened; and otherwise, when the vehicle is unlocked and the signal value in the step A is not greater than the preset value, the instrument panel is not lightened, the vehicle lamp does not flicker, the buzzer does not give an alarm, and the engine cover is closed.

The invention is further improved in that: when the vehicle is overhauled, the vehicle is unlocked, the engine cover is opened, the sensor collects an opening signal of the engine cover and transmits the opening signal to the automobile instrument, the comparator in the automobile instrument compares the opening signal value with a preset value, the opening signal value is larger than the preset value, the comparator generates an instrument panel lighting control signal and transmits the signal to the instrument panel through the output interface, and the instrument panel is lighted;

after the vehicle is overhauled, the vehicle is unlocked, the engine cover is closed, the sensor collects the closing signal and transmits the closing signal to the automobile instrument, the comparator of the automobile instrument compares the closing signal with a preset value, if the value of the closing signal is not greater than the preset value, the automobile instrument does not send an instrument panel lighting control signal to the instrument panel, and the instrument panel is turned off to indicate that the engine cover is locked; if the closing signal value is larger than the preset value, the automobile instrument sends an instrument panel lighting control signal and transmits the signal to the instrument panel through the output interface, and the instrument panel is lighted to indicate that the engine cover is not locked.

The invention is further improved in that: the sensor is arranged on the engine hood and is close to the part where the engine hood is locked with the vehicle body.

The invention is further improved in that: and generating an instrument panel lighting control signal when the signal value of the input interface received by the comparator is greater than a preset value.

The invention is further improved in that: and when the vehicle is not unlocked and the signal value of the signal interface received by the comparator is greater than a preset value, generating a vehicle lamp flicker control signal and a buzzer activation control signal.

The invention is further improved in that: the buzzer is arranged on the vehicle body.

The invention has the following beneficial effects:

according to the invention, signals are acquired through the non-contact sensor, are compared and judged through the comparator, and then are sent to the instrument panel, the car lamp and the buzzer, so that the monitoring protection under the open-close state of the engine hood is improved, and traffic accidents are avoided; compared with a contact type structure, the invention has the advantages of reducing the use failure rate, improving the working reliability, improving the defect of alarm hysteresis, further ensuring the alarm timeliness, and effectively preventing the actions of stealing and the like.

Description of the drawings:

the following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.

Fig. 1 is a system configuration diagram of a control method of a hood open/close state monitoring protection system according to the present invention.

Fig. 2 is a system flowchart of a control method of a monitoring and protecting system for an open/close state of a hood according to the present invention.

Fig. 3 is a schematic structural diagram of a sensor on a hood according to a control method of a hood open/close state monitoring and protection system of the present invention.

Reference numbers in the figures: 1-inductor, 2-input interface, 3-comparator, 4-instrument panel lighting control signal, 5-vehicle lamp flickering control signal, 6-buzzer activating control signal, 7-output interface, 8-instrument panel, 9-vehicle lamp, 10-buzzer and 11-engine cover.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

As shown in fig. 1 to fig. 3, a control method of a monitoring and protecting system for an open/close state of a bonnet is provided, the monitoring and protecting system is arranged on a bonnet 11, the monitoring and protecting system comprises an inductor 1, a vehicle instrument, a lamp 9 and a buzzer 10, and the vehicle instrument receives a signal collected by the inductor 1; the automobile instrument comprises a processor and an instrument panel 8, the processor is connected with the inductor 1, the processor comprises an input interface 2 for receiving signals, an output interface 7 and a comparator 3, the comparator 3 is connected with the input interface 2, the comparator 3 generates an instrument panel lighting control signal 4, a vehicle lamp flickering control signal 5 and a buzzer activation control signal 6 according to a signal value received by the input interface 2, the instrument panel 8 is connected with the processor and receives the instrument panel lighting control signal 4 output by the processor, and the output interface 7 is respectively electrically connected with the instrument panel 8, the vehicle lamp 9 and the buzzer 10;

the control method of the monitoring protection system comprises the following steps:

A. the sensor 1 receives a signal of opening or closing the engine hood 11 and transmits the signal to the automobile instrument, and the comparator 3 compares and judges the signal value received by the input interface with a preset value;

B. when the signal value in the step A is larger than the preset value, the automobile instrument sends an instrument panel lighting control signal 4 to the instrument panel 8, and the instrument panel 8 is lighted at the moment to indicate that the engine cover 11 is opened; otherwise, when the signal value in the step A is not greater than the preset value, the automobile instrument does not send an instrument panel lighting control signal 4 and transmits the signal to the instrument panel 8 through the output interface 7, and the instrument panel 8 is not lighted at the moment to indicate that the engine cover 11 is closed;

C. when the vehicle is not unlocked and the signal value in the step A is larger than the preset value, the automobile instrument generates an instrument panel lighting control signal 4, a vehicle lamp flickering control signal 5 and a buzzer activation control signal 6, and transmits the signals to an instrument panel 8, a vehicle lamp 9 and a buzzer 10 through an output interface 7 respectively, and the vehicle lamp flickering and the buzzer alarm indicate that an engine cover 11 is opened; otherwise, when the vehicle is unlocked and the signal value in the step A is not greater than the preset value, the instrument panel 8 is not lighted, the vehicle lamp 9 does not flicker, and the buzzer 10 does not give an alarm to indicate that the engine cover is closed.