Automobile front cabin cover monitoring and control system and control method thereof

Abstract

The invention discloses an automobile front cabin cover monitoring and control system which is characterized in that a front cabin cover lock is arranged on a front cabin cover, and a front cabin cover opening control key is arranged in an automobile cab; the automobile front hatch cover monitoring and control system is provided with a front hatch cover lock control module and a Hall sensor, and the Hall sensor monitors the opening and locking states of a front hatch cover lock. The Hall sensor is connected with a front hatch cover lock control module of the automobile front hatch cover monitoring and control system through a signal circuit. According to the technical scheme, the electric quantity of the small storage battery is monitored in real time, and a user is prompted through the APP when the electric quantity is too low; when the whole vehicle is insufficient in power, the front cabin cover cannot be opened, and the front cabin cover can be opened through the APP; whether the front hatch cover is locked truly or falsely is monitored in real time; when the front cabin cover is falsely locked and the vehicle speed is larger than 10 km / h, the user is reminded to pay attention to safety through the APP; most vehicle types in the market are supported, and risks in the real vehicle testing process are reduced.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of automobile application and safe driving control. More specifically, the present application relates to a monitoring and control system for the front hood of an automobile. The present application also relates to a control method for the monitoring and control system. BACKGROUND

[0002] Currently, during vehicle testing, the phenomenon of small batteries running out of power and causing the vehicle door to be unable to open often occurs; the instrument door is not closed and an alarm is sounded, and the customer cannot know when the door is fake-locked; when the vehicle speed is too fast, safety is affected;

[0003] Using the keywords "automobile, front hood, monitoring, lock, electricity" and the like, a search is conducted on the existing disclosed technical documents, and the following search results are obtained:

[0004] 1. Chinese patent document: "Front hood opening and closing control system, control method and vehicle", patent (application) number: 202510510536.6; the technical solution recorded therein is:

[0005] "The front hood opening and closing control system, control method and vehicle aim to solve the problem of inconvenient operation of the existing front hood opening and closing. For this purpose, the front hood opening and closing control system of the present application comprises: a front hood body comprising a cover plate and a front end face; a knocking sensor provided on the bottom surface of the cover plate for collecting the knocking signal of the user on the cover plate; a first micro switch provided on the front end face; a support assembly having one end connected to the bottom surface of the cover plate and the other end connected to the vehicle body; and a control module electrically connected to the knocking sensor, the first micro switch and the support assembly through a wire harness";

[0006] The technical effect recorded therein is:

[0007] "By providing a knocking sensor and a first micro switch on the front hood body, automatic opening and closing of the front hood can be achieved by knocking the front hood body or pressing the first micro switch, which is convenient and simple to operate, and improves the user's experience".

[0008] 2. Chinese patent document: "EV vehicle type battery charging method, system and device", patent (application) number: 202510447831.1; the technical solution recorded therein is:

[0009] "The EV vehicle type battery charging method, system and device, the method comprises judging the current state mode of the vehicle, identifying the current state of the vehicle power supply and the front hood, and synchronously activating the battery sensor to actively wake up the potential energy; detecting whether the state of charge of the vehicle battery and the state of charge of the high-voltage battery pack are lower than the threshold value, and confirming whether the vehicle is in a charging state; relying on the threshold detection result and the charging state confirmation result, sending a low-voltage charging request to the vehicle, and charging the vehicle".

[0010] The technical effect recorded is:

[0011] "The method not only considers the traditional indicator of battery voltage, but also combines the detection of battery state of charge and high-voltage battery pack state of charge. This multi-dimensional judgment method can more comprehensively reflect the actual power and charging capacity of the battery, thereby improving the accuracy of the power supplement decision and effectively avoiding the misjudgment that may occur when relying solely on the battery voltage judgment."

[0012] However, the technical solutions recorded in the above technical documents, as well as the existing related technical solutions, have not been able to solve the problems and defects in the prior art, such as "small battery power loss causing the car door to be unable to open" and "car door false lock affecting safety". SUMMARY

[0013] The present application provides a kind of automobile front hatch monitoring and control system, its purpose is when power loss can open front hatch, and when front hatch false lock carries out safe driving warning.

[0014] In order to achieve the above purpose, the technical scheme adopted by the present application is:

[0015] The automobile front hatch monitoring and control system of the present application, the front hatch lock is provided on the front hatch, and a front hatch opening control button is provided in the automobile cab;The automobile front hatch monitoring and control system is provided with a front hatch lock control module and a Hall sensor, and the Hall sensor monitors the opening and closing state of the front hatch lock;The Hall sensor is connected to the front hatch lock control module of the automobile front hatch monitoring and control system through a signal circuit.

[0016] The front hatch lock is provided with a lock tongue driving motor, the lock tongue driving motor drives the movement of the front hatch lock tongue, and realizes the opening and closing of the front hatch lock;The lock tongue driving motor is connected to the front hatch lock control module through a control circuit.

[0017] The automobile front hatch monitoring and control system is provided with a battery power monitoring module, the battery power monitoring module is connected to the automobile front hatch monitoring and control system through a voltage reduction circuit module, and the voltage of the 12V battery on the vehicle is reduced to 0-3.3V.

[0018] The automobile front hatch monitoring and control system is provided with a power management module, and the power management module is provided with overvoltage, overcurrent protection and low-power hibernation link.

[0019] The automobile front hatch monitoring and control system uses an optical coupling isolation module to isolate the high-voltage and low-voltage circuits and protect the MCU.

[0020] The automobile front hatch monitoring and control system reads real-time vehicle speed through a vehicle speed detection module on the automobile.

[0021] The vehicle speed detection module is connected with a satellite navigation positioning system through a signal circuit.

[0022] The automobile front hatch monitoring and control system is signal-connected with a mobile communication terminal of the owner or driver of the automobile through a wireless communication network.

[0023] The mobile communication terminal is provided with a front hatch lock simulation button, and the front hatch lock simulation button controls the front hatch opening control button.

[0024] In order to achieve the same invention purpose as the above technical solution, the application further provides a control method of the automobile front hatch monitoring and control system, and the steps are as follows:

[0025] 1. First step: control the physical button of the real vehicle through the APP simulation button;

[0026] 2. Second step: control the forward and reverse rotation of the motor of the front hatch lock through the relay or H-bridge motor drive to realize the unlocking / locking;

[0027] 3. Third step: the Hall sensor detects the position of the lock tongue to determine whether it is a "real lock" or a "false lock";

[0028] 4. Fourth step: divide the voltage of the 12V battery to 0-3.3V (for example, R1=10kΩ, R2=2.2kΩ) for the ADC pin of the ESP32 to read, and parallel 0.1uF capacitor to eliminate voltage fluctuation interference; use the optocoupler isolation module (such as HCPL-3700) to isolate the high-voltage and low-voltage circuit to protect the MCU;

[0029] 5. Fifth step: click "pause / start", and it can work normally; according to the set trajectory, control the X, Y and Z three-axis stepping motors to move the touch device to the specified spatial position;

[0030] 6. Sixth step: monitor the real-time vehicle speed through GPS speed.

[0031] The application adopts the above technical solution, monitors the small battery power in real time, prompts the user through the APP when the power is too low, opens the front hatch through the APP when the vehicle is out of power, monitors whether the front hatch is a real lock or a false lock, reminds the user to pay attention to safety through the APP when the front hatch is a false lock and the vehicle speed is greater than 10km / h, supports most vehicle models on the market, and reduces the risk in the real vehicle test process. BRIEF DESCRIPTION OF DRAWINGS

[0032] The content of the drawings is:

[0033] Figure 1 The control signal transmission relationship diagram of the present application. DETAILED DESCRIPTION

[0034] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and by describing the embodiments, to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present application.

[0035] As Figure 1 shown in the technical solution of the present application, the present application is a kind of automobile front hatch monitoring and control system, the front hatch is provided with a front hatch lock, and a front hatch opening control button is arranged in the cab of the automobile.

[0036] In order to solve the problems existing in the prior art and overcome its defects, the present application achieves the purpose of opening the front hatch when the battery is depleted, and warning the safe driving when the front hatch is false locked.

[0037] As Figure 1 shown, the automobile front hatch monitoring and control system of the present application is provided with a front hatch lock control module and a Hall sensor, the Hall sensor monitors the opening and closing state of the front hatch lock, and the Hall sensor is connected with the front hatch lock control module of the automobile front hatch monitoring and control system through a signal circuit.

[0038] The technical solution can monitor the small battery capacity in real time through the front hatch lock control module and the battery capacity monitoring module, and when the small battery is depleted, the front hatch can be opened to charge the small battery and restore the vehicle to normal.

[0039] The innovation of the present application is to monitor the small battery capacity in real time and prompt the user through the APP when the capacity is too low. The technical advantage is that it supports most of the vehicles on the market and reduces the risk of real vehicle test process.

[0040] The front hatch lock is provided with a lock tongue driving motor, the lock tongue driving motor drives the movement of the front hatch lock tongue to realize the opening and closing of the front hatch lock, and the lock tongue driving motor is connected with the front hatch lock control module through a control circuit.

[0041] In the prior art, the instrument door is not closed and the alarm is not given, the customer cannot know when the door is false locked, and the safety is affected when the vehicle speed is too fast. The above technical solution can monitor whether the front hatch is true locked or false locked in real time, and when the vehicle speed is greater than 10km / h when the front hatch is false locked, the user is reminded to pay attention to safety through the APP. Through monitoring and prompting, the safety is improved.

[0042] Front hood false lock safety driving prompt test: intelligent switch monitors the small battery power and whether the front hood is closed, and can open the front hood for test.

[0043] The automobile front hood monitoring and control system is provided with a battery power monitoring module, which is connected to the automobile front hood monitoring and control system through a voltage reduction circuit module, and reduces the voltage of the 12V battery on the vehicle to 0-3.3V.

[0044] The automobile front hood monitoring and control system is provided with a power management module, which is provided with overvoltage, overcurrent protection and low-power hibernation links.

[0045] The power management module monitors the operation and safety of the power supply, controls charging and discharging, detects the power, and feeds back the state of the power supply to relevant personnel or system in real time.

[0046] The automobile front hood monitoring and control system uses an optical coupling isolation module to isolate high-voltage and low-voltage circuits and protect the MCU.

[0047] The use of an optical coupling isolation module improves safety and overcomes the influence of a high-voltage power circuit on a low-voltage signal control circuit.

[0048] The automobile front hood monitoring and control system reads the real-time vehicle speed through the vehicle speed detection module on the automobile.

[0049] The vehicle speed detection module is connected to the satellite navigation positioning system through a signal circuit. The satellite navigation positioning system is used to correct the driving speed of the vehicle. The satellite navigation positioning system can be the Beidou system of China or GPS.

[0050] The automobile front hood monitoring and control system is connected to the mobile communication terminal of the owner or driver of the automobile through a wireless communication network.

[0051] The owner or driver of the automobile can monitor, open and close the front hood lock through the APP installed in the system, and can also monitor and charge the power management module and power supply.

[0052] Through monitoring the power of the small battery, a message is sent to the mobile phone when the power is low. When the vehicle is running out of power, the front hood cannot be opened, and the front hood can also be opened through the APP.

[0053] The mobile communication terminal is provided with the front hood lock simulation button, which controls the front hood opening control button.

[0054] The owner or driver of the automobile can operate the opening and closing of the front hood through the front hood lock simulation button, which improves the convenience of operation.

[0055] In order to achieve the same invention purpose as the above technical scheme, the application further provides a control method of the automobile front hatch monitoring and control system.

[0056] 1. First step: control the physical buttons installed on the real vehicle through APP simulated buttons;

[0057] 2. Second step: control the motor of the front hatch lock through the relay or H-bridge motor drive, realize the unlocking / locking;

[0058] 3. Third step: the Hall sensor detects the position of the lock tongue, and judges whether it is a "real lock" or a "false lock";

[0059] 4. Fourth step: divide the 12V battery voltage to 0-3.3V (such as R1=10kΩ, R2=2.2kΩ) for the ADC pin of ESP32 to read, and parallel 0.1uF capacitor to eliminate voltage fluctuation interference; use optical coupling isolation module (such as HCPL-3700) to isolate high voltage and low voltage circuit, protect MCU;

[0060] 5. Fifth step: click "pause / start", and it can work normally; according to the set trajectory, control the X, Y and Z three-axis stepping motors to move the touch device to the specified space position.

[0061] 6. Sixth step: monitor the real-time vehicle speed through GPS speed.

[0062] The application is described above in conjunction with the drawings, and it is obvious that the specific implementation of the application is not limited by the above method. Any non-essential improvement or direct application of the application to other occasions is within the protection scope of the application.

Claims

1. A vehicle hood monitoring and control system, wherein a hood lock is provided on the hood, and a hood opening control button is provided in the driver's cab of the vehicle, characterized in that: The automobile front hood monitoring and control system is provided with a front hood lock control module and a Hall sensor, the Hall sensor monitors the opening and closing state of the front hood lock; the Hall sensor is connected with the front hood lock control module of the automobile front hood monitoring and control system through a signal circuit.

2. The automotive hood monitoring and control system of claim 1, wherein: The front hood lock is provided with a lock tongue driving motor, the lock tongue driving motor drives the movement of the front hood lock tongue, and realizes the opening and closing of the front hood lock; the lock tongue driving motor is connected with the front hood lock control module through a control circuit.

3. The automotive hood monitoring and control system of claim 1, wherein: The automobile front hood monitoring and control system is provided with a storage battery power monitoring module, the storage battery power monitoring module reduces the voltage of the vehicle-mounted 12V storage battery to 0-3.3V through a voltage reduction circuit module, and provides the automobile front hood monitoring and control system.

4. The automotive hood monitoring and control system of claim 3, wherein: The automobile front hood monitoring and control system is provided with a power management module, the power management module is provided with overvoltage, overcurrent protection and low-power sleep links.

5. The automotive hood monitoring and control system of claim 1, wherein: The automobile front hood monitoring and control system adopts an optical coupling isolation module to isolate high-voltage and low-voltage circuits and protect the MCU.

6. The automotive hood monitoring and control system of claim 1, wherein: The automobile front hood monitoring and control system reads the real-time vehicle speed through the vehicle speed detection module on the automobile.

7. The automotive hood monitoring and control system of claim 5, wherein: The vehicle speed detection module is connected with the satellite navigation positioning system through a signal circuit.

8. The automotive hood monitoring and control system of claim 1, wherein: The automobile front hood monitoring and control system is connected with the mobile communication terminal of the owner or the driver of the automobile through a wireless communication network.

9. The automotive hood monitoring and control system of claim 1, wherein: The mobile communication terminal is provided with the front hood lock simulation button, and the front hood lock simulation button controls the front hood opening control button.

10. The control method of the automobile hood monitoring and control system according to any one of claims 1 to 9, characterized by, The control method comprises the following steps: 1) controlling the physical button of the real vehicle through the APP simulation button; 2) controlling the forward and reverse rotation of the motor of the front hood lock through the relay or H-bridge motor drive to realize the unlocking and locking; 3) the Hall sensor detects the position of the lock tongue to determine whether it is a "real lock" or a "false lock"; 4) the voltage of the 12V storage battery is divided to 0-3.3V to provide the ADC pin of the ESP32 for reading, and a 0.1uF capacitor is connected in parallel to eliminate voltage fluctuation interference; an optical coupling isolation module is used to isolate the high-voltage and low-voltage circuits and protect the MCU; 5) click "pause / start" to work normally; according to the set trajectory, the X, Y and Z three-axis stepping motors are controlled to move the touch device to the specified spatial position. 6) the real-time vehicle speed is monitored through the GPS speed.

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