CN105863431B - An intelligent vehicle window control device and control method thereof - Google Patents

Abstract

The invention discloses a kind of Intelligent coach window control device and its control method, including：Sensor module, conditioning circuit module, key-press module, video monitoring module, microprocessor control module, sound and light alarm and the display module of image information for gathering occupant's situation and article condition, positioning and communicating module, stepper motor and drive module, archival memory and vehicle window mechanism.Through the above way, a kind of Intelligent coach window control device of the present invention and its control method, the environmental aspect inside and outside vehicle is perceived using sensor technology, real-time condition inside and outside monitoring camera collecting vehicle is utilized simultaneously, the open and-shut mode of vehicle glazing is adjusted according to default control logic, improve the intelligent level that vehicle window works under specific circumstances, it is overall with certain social application value and economic benefit with preferable practical value.

Description

An intelligent vehicle window control device and control method thereof

technical field

The invention relates to the fields of sensors, motor control, processing and transmission of voice and image signals and communication engineering, in particular to an intelligent vehicle window control device and a control method thereof.

Background technique

At present, the window control system of most vehicles at home and abroad generally still adopts the push-button manual control method, but some medium and large cars or luxury models have also begun to install the inductive window control method, but there is no comprehensive consideration of the real-time conditions inside and outside the vehicle. Smart window control methods based on sensor technology and image recognition technology. Also can't intelligently judge and respond to various situations in the car, so people need a car window control device and a control method thereof that meet the requirements more.

Contents of the invention

The technical problem mainly solved by the present invention is to provide an intelligent vehicle window control device and its control method, which has the advantages of high reliability, precise positioning, various functions, and convenient use, and has a wide range of applications and popularization in small CNC machine tools. market expectation.

In order to solve the problems of the technologies described above, a technical solution adopted in the present invention is:

An intelligent vehicle window control device is provided, which includes: a sensor module, a conditioning circuit module, a button module, a video monitoring module for collecting image information of people in the vehicle and the status of items, a microprocessor control module, an audible and visual alarm and Display module, positioning communication module, stepper motor and drive module, database memory and window mechanism,

The sensor module is connected to the microprocessor control module through the conditioning circuit module, the window mechanism is connected to the microprocessor control module through the stepper motor and the drive module, and the video monitoring module, the sound and light alarm and display module, the positioning communication module, and the database memory are respectively connected with the microprocessor control module.

In a preferred embodiment of the present invention, the sensor module includes a travel sensor for detecting the position of the window, that is, the opening degree, a rain sensor, a temperature sensor, an oxygen content sensor, a sound sensor, a vibration sensor installed on the window, and A torque sensor used to collect the resistance signal encountered during the window closing process.

In a preferred embodiment of the present invention, the conditioning circuit module includes a signal conversion unit and a standardization unit, wherein the signal conversion unit converts the output signals of each sensor into a unified electrical signal type, and the standardization unit converts the above unified electrical signal The signal is converted into a data type suitable for the microprocessor to receive.

In a preferred embodiment of the present invention, the button module includes several window control buttons located at the driver's position, several window control buttons located at the co-driver's position, and several window control buttons located at both sides of the rear row. button.

In a preferred embodiment of the present invention, the several window control buttons located at the driver's position include several window lift control buttons and a function switch button for manually switching the window working mode.

In a preferred embodiment of the present invention, the stepper motor and the drive module include several stepper motors that control the opening and closing state and opening degree of the car window, and a vehicle that cooperates with the stepper motor and transmits the microprocessor to the vehicle window. It consists of a drive module that converts the window control signal into a drive signal that actually controls the step angle of the stepper motor.

In a preferred embodiment of the present invention, the vehicle window mechanism includes a vehicle window lifting mechanism connected with the vehicle window glass to complete the opening/closing of the vehicle window glass and the opening of the vehicle window.

In a preferred embodiment of the present invention, the positioning communication module includes GPS positioning and GPRS communication modules.

A control method of an intelligent vehicle window control device, the steps comprising:

1) Set and store comparison information, comparison images, pattern recognition images and data security ranges for judgment in the database memory;

2) The video monitoring module scans the situation of personnel in various positions in the car, and transmits the image information in the car to the microprocessor control module;

3) The microprocessor compares the image information transmitted by the video monitoring module with the pattern recognition images in the database, senses whether there is a driver in the main driving position, and then determines the working mode of the window. If there is a driver in the main driving position Then turn on the manual operation mode, and set the initial manual operation mode according to the driver's habits, if no driver is in the main driving position, turn on the automatic sensing mode, and set the initial intelligent monitoring mode according to the owner's preset instructions;

4) The auto-sensing modes include normal mode and in-vehicle mode for infants alone:

4.1) Normal mode:

After sensing that there is no driver in the main driving position, the video surveillance scans the entire interior of the car and judges whether there is a baby in the car based on the pattern recognition image. If it is confirmed that no baby is alone in the car, the normal mode of window control is turned on;

This method mainly includes the function of automatic window closing when no one is present, the function of automatic window closing by rain sensing and the function of anti-theft monitoring.

Obtain real-time personnel situation pictures in the car through the video monitoring module, upload them to the microprocessor control module and compare them with the pattern recognition images in the database memory to confirm the personnel situation, and open the automatic window closing mode when it is confirmed that no personnel is in the vehicle; The rain sensor detects weather changes, and when rain is detected, the automatic window closing mode is turned on to close the windows; when the vehicle is parked normally, the vibration sensors installed on the four windows detect the vibration of the windows in real time online to determine whether the vehicle is In the event of violent window theft, if encountering violent window theft, an audible and visual alarm will be issued and the theft information will be sent to the car owner and the public security department. The image information of the relevant suspects is stored in the database, and the above information is sent to the car owner and the public security department together;

4.2) Infants alone in the car mode:

After sensing that there is no driver in the main driving position, the video surveillance scans the entire interior of the car and judges whether there is a baby in the car based on the pattern recognition image. in-car mode;

Use the temperature sensor and oxygen content sensor in the car to monitor the air condition in the car in real time, and send the relevant data to the microprocessor control module. The microprocessor control module compares the real-time data with the preset safety guarantee data in the database, If the real-time data does not exceed the safe range, no action will be taken. If the real-time data exceeds the safe range, the stepper motor and drive module will open some windows according to the preset comparison information to maintain the air circulation in the car;

The video monitoring module collects the activities of infants and young children in real time and uploads the picture information to the microprocessor control module. The microprocessor control module compares the above-mentioned pictures with the preset bad or abnormal pictures of infants and young children in the database. Then immediately control the GPRS communication module to send emergency information to the car owner, and the car owner turns on the vehicle sound and light alarm according to the information, displays the help information outside the car or responds to the infant in the car;

The sound sensor monitors the voice signal of the baby, and uploads the voice signal to the microprocessor control module, and the microprocessor control module judges whether the baby is crying, and if the crying situation occurs, the information will be sent to the car owner;

The video monitoring module monitors the actions of infants and young children in the vehicle and the behavior of passers-by outside the vehicle, and sends the monitoring information to the microprocessor control module. When a baby climbs out of the vehicle or a passer-by invades, the microprocessor determines the situation and controls the stepper motor and the drive module to raise and lower the window, and at the same time sends an alarm message to the owner.

In a preferred embodiment of the present invention, the manual operation mode includes two modes of driving manual operation and driver manual operation. When the driving manual operation is turned on, the sensor module detects the size of the margin and sends a window closing prompt , the driver can control the opening and closing state and opening degree of all windows, and the passenger can control the opening and closing state and opening degree of an adjacent window. When the driver's manual operation mode is turned on, the sensor module detects the size of the margin and A window closing prompt is issued, and only the driver can control the opening and closing status and opening degree of all windows.

The beneficial effect of the present invention is: use the sensor technology to sense the environmental conditions inside and outside the vehicle, and at the same time use the monitoring camera to collect real-time conditions inside and outside the vehicle, adjust the opening and closing state of the vehicle window according to the preset control logic, and improve the performance of the window under certain conditions. The intelligence level of the work has good practical value, and the overall has certain social application value and economic benefits.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, wherein:

FIG. 1 is a structural schematic diagram of a preferred embodiment of an intelligent vehicle window control device and its control method according to the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1, the embodiment of the present invention comprises:

An intelligent vehicle window control device consists of a sensor module, a conditioning circuit module, a button module, a video monitoring module, a microprocessor control module, an audible and visual alarm and display module, a GPS positioning and GPRS communication module, a stepping motor and a drive module, and a database memory and window mechanism.

The sensor module includes stroke sensor (4), rain sensor, temperature sensor (in the car), oxygen content sensor, sound sensor, vibration sensor (4) and torque sensor (4). In Figure 1, sensors 1 to sensor 7 to represent. The stroke sensor is used to detect the position of the window, that is, the opening degree; the torque sensor is responsible for collecting the resistance signal received during the closing process of the window.

The conditioning circuit module includes a signal conversion unit and a normalization unit. The signal conversion unit converts the output signals of each sensor into a unified electrical signal type, and the standardization unit converts the above unified electrical signal into a data type suitable for the microprocessor to receive.

The button module includes 5 window control buttons (4 window lift control buttons, 1 function switching button) at the driver's position, 1 window control button at the co-driver's position, and 1 window control button at each side of the rear row. The driver's manual control of all window states and the passenger's manual control of the position of the window state are respectively completed. In addition, the manual switching of the window working mode can also be realized.

The microprocessor control module mainly completes the realization of the control algorithm of the whole system and the coordination of the work of each component to ensure the sustainability of the work of the whole system.

The stepper motor and drive module are mainly composed of 4 stepper motors and corresponding drive modules. The stepper motor is responsible for controlling the opening and closing state and opening degree of the left, right, front and rear windows. The transmitted window control signal is converted into a drive signal that actually controls the step angle of the stepper motor.

The video monitoring module mainly completes the monitoring of the real-time situation in the car, and is responsible for collecting the image information of the situation of the people in the car and the status of the items.

The GPS positioning and GPRS communication module is mainly responsible for the remote communication with the car owner, including the interactive display and emergency monitoring of information such as location, image, voice and text under specific circumstances.

The sound and light alarm and display module mainly completes the warning and display of abnormal conditions in the car, and transmits the emergency situation in the form of sound and light.

The database memory mainly stores data information for system pattern recognition and comparison, and is also used to store state variables and related data information under specific conditions.

The window mechanism is mainly composed of the window glass and the window lifting mechanism, which executes the actual tasks of the microprocessor control instructions, and completes the opening/closing of the window glass and the control of the window opening.

Table 1 shows the working modes of the intelligent window control device, including two categories: manual operation mode and automatic sensing mode. There are two situations in the car and infants alone. For the specific functions of each mode, see the function introduction in Table 1:

Table 1

The control method of the intelligent window control device is as follows:

1) The video monitoring module scans the situation of people in various positions in the car, and transmits the image information in the car to the microprocessor control module.

2) The microprocessor compares the image information transmitted by the video monitoring module with the pattern recognition images in the database, senses whether there is a driver in the main driving position, and then determines the working mode of the window: a) There is a driver in the main driving position If there is no driver in the main driving position, the automatic sensing mode will be turned on, and the initial intelligent monitoring will be set according to the owner's preset instructions Way.

3) The manual operation mode is divided into two modes: driving manual operation and driver manual operation. Both modes include the rain sensor window closing reminder function. The difference is that in the driving manual operation mode, the driver can control the opening and closing of all windows. The closed state and opening degree, passengers can control the opening and closing state and opening degree of a nearby window; the driver's manual operation mode is limited to the driver who can control the opening and closing state and opening degree of all windows.

4) The automatic induction mode is divided into two modes: ordinary and infants alone in the car:

A) Intelligent monitoring mode 1 (ordinary mode)

After sensing that there is no driver in the main driving position, the video surveillance scans the entire interior of the car to confirm that there are no infants in the car alone. Intelligent monitoring method 1 of opening the window. This method mainly includes the function of automatic window closing when no one is present, the function of automatic window closing by rain sensing and the function of anti-theft monitoring. The specific implementation is to obtain real-time personnel situation pictures in the car through the video monitoring module, upload to the microprocessor control module and compare the pattern pictures of the database memory unit to confirm the personnel situation, and confirm that there is no personnel in the car to open the automatic window closing function; secondly, the rainfall The sensor detects weather changes. If it detects sudden showers, heavy rains and other rainy conditions, it will turn on the automatic window closing function to close the windows; there are also violent window thefts when the vehicle is parked normally (vibration devices installed on the four windows) When the sensor detects vibration online in real time), it can send out sound and light alarm information at the first time and send the robbery information to the car owner and the police to the public security department. The information includes the accident time, vehicle data, address, etc. In addition, the microprocessor will also control The video monitoring module records the image information of the relevant suspects in the database, and sends it to the car owner and the public security department together with the above information.

B) Intelligent monitoring method 2 (that is, the method in which infants and young children are alone in the car)

After sensing that there is no driver in the main driving position, the video surveillance scans the entire interior of the car to confirm that only infants and young children are in the car alone. Intelligent monitoring method 2. This method includes all the functions of the intelligent monitoring method 1 and the baby safety monitoring function. The monitoring function of infant safety assurance is mainly realized through image monitoring, voice signal recognition, temperature control in the car, and oxygen protection in the car. First, in this way, the temperature sensor in the car and the oxygen content sensor in the car monitor the condition of the air in the car in real time, and send the relevant data to the microprocessor, which compares the data with the preset safety guarantee data in the database. If it does not exceed the safety range, do not take any action. If it exceeds, control the stepper motor and drive module to open some windows appropriately to maintain the air circulation in the car; secondly, the video monitoring module collects the activities of infants and young children in real time and uploads the picture information to the micro-processing The microprocessor compares the above pictures with the bad or abnormal pictures of infants and young children in the database. If a matching situation is found, it will immediately control the GPRS communication module to send emergency information to the car owner. The car owner can do corresponding processing according to the information, including turning on the vehicle sound Light alarm and display help information (if the owner cannot arrive in time to deal with it) or do simple response processing; moreover, the sound sensor monitors whether the voice signal of the infant is crying, and if it occurs, the information will be sent to the owner as soon as possible. Similarly, the car owner can make corresponding processing according to the information; in addition, this method also includes the function of preventing infants from climbing out of the vehicle and outsiders from intruding, mainly through the video monitoring module to control the stepping motor and drive module to lift after the microprocessor determines the situation Windows are realized.

5) Other instructions: The torque sensor collects the resistance signal received when the window is closed, and is used for the anti-pinch function when the window is closed; the vibration sensor is only installed on 4 windows in this example, if it is to better realize For security and anti-theft, one vibration sensor can also be installed on the front windshield and the rear windshield; the image data collected by the video monitoring module should have a corresponding pattern library and comparison data in the data memory to provide the corresponding situation judgment basis.

The beneficial effects of the intelligent vehicle window control device and its control method of the present invention are: using sensor technology to perceive the environmental conditions inside and outside the vehicle, and at the same time using the monitoring camera to collect real-time conditions inside and outside the vehicle, and adjusting the window position of the vehicle according to the preset control logic The opening and closing state can improve the intelligence level of the window in specific situations, especially for emergency treatment of special situations including infants and young children stranded alone in the car, sudden rainstorm, anti-theft, etc., and has a certain social value as a whole. Application value and economic benefit.

The above descriptions are only examples of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the description of the present invention, or directly or indirectly used in other related technical fields, shall be The same reasoning is included in the patent protection scope of the present invention.

Claims (10)

1. A control method of an intelligent vehicle window control device, characterized in that the steps comprise: 1) Set and store comparison information, comparison images, pattern recognition images and data security ranges for judgment in the database memory; 2) The video monitoring module scans the situation of personnel in various positions in the car, and transmits the image information in the car to the microprocessor control module; 3) The microprocessor compares the image information transmitted by the video monitoring module with the pattern recognition images in the database, senses whether there is a driver in the main driving position, and then determines the working mode of the window. If there is a driver in the main driving position Then turn on the manual operation mode, and set the initial manual operation mode according to the driver's habits, if no driver is in the main driving position, turn on the automatic sensing mode, and set the initial intelligent monitoring mode according to the owner's preset instructions; 4) The auto-sensing modes include normal mode and in-vehicle mode for infants alone: 4.1) Normal mode: After sensing that there is no driver in the main driving position, the video surveillance scans the entire interior of the car and judges whether there is a baby in the car based on the pattern recognition image. If it is confirmed that no baby is alone in the car, the normal mode of window control is turned on; This method mainly includes the function of automatic window closing when no one is there, the function of automatic window closing with rain sensor and the function of anti-theft monitoring; Obtain real-time personnel situation pictures in the car through the video monitoring module, upload them to the microprocessor control module and compare them with the pattern recognition images in the database memory to confirm the personnel situation, and open the automatic window closing mode when it is confirmed that no personnel is in the vehicle; The rain sensor detects weather changes, and when rain is detected, the automatic window closing mode is turned on to close the windows; when the vehicle is parked normally, the vibration sensors installed on the four windows detect the vibration of the windows in real time online to determine whether the vehicle is In the event of violent window theft, if encountering violent window theft, an audible and visual alarm will be issued and the theft information will be sent to the car owner and the public security department. The image information of the relevant suspects is stored in the database, and the above information is sent to the car owner and the public security department together; 4.2) Infants alone in the car mode: After sensing that there is no driver in the main driving position, the video surveillance scans the entire interior of the car and judges whether there is a baby in the car based on the pattern recognition image. in-car mode; Use the temperature sensor and oxygen content sensor in the car to monitor the air condition in the car in real time, and send the relevant data to the microprocessor control module. The microprocessor control module compares the real-time data with the preset safety guarantee data in the database, If the real-time data does not exceed the safe range, no action will be taken. If the real-time data exceeds the safe range, the stepper motor and drive module will open some windows according to the preset comparison information to maintain the air circulation in the car; The video monitoring module collects the activities of infants and young children in real time and uploads the picture information to the microprocessor control module. The microprocessor control module compares the above-mentioned pictures with the preset bad or abnormal pictures of infants and young children in the database. Then immediately control the GPRS communication module to send emergency information to the car owner, and the car owner turns on the vehicle sound and light alarm according to the information, displays the help information outside the car or responds to the infant in the car; The sound sensor monitors the voice signal of the baby, and uploads the voice signal to the microprocessor control module, and the microprocessor control module judges whether the baby is crying, and if the crying situation occurs, the information will be sent to the car owner; The video monitoring module monitors the actions of infants and young children in the vehicle and the behavior of passers-by outside the vehicle, and sends the monitoring information to the microprocessor control module. When a baby climbs out of the vehicle or a passer-by invades, the microprocessor determines the situation and controls the stepper motor and the drive module to raise and lower the window, and at the same time sends an alarm message to the owner. 2. The control method of an intelligent vehicle window control device according to claim 1, wherein the manual operation mode includes two modes of driving manual operation and driver manual operation, when the driving manual operation is turned on , through the sensor module to detect the size of the margin and issue a window closing prompt, the driver can control the opening and closing state and opening degree of all windows, and the passenger can control the opening and closing state and opening degree of a nearby window. In the manual operation mode, the sensor module detects the size of the margin and sends out a window closing prompt, and only the driver can control the opening and closing status and opening degree of all windows. 3. The control method of a kind of intelligent vehicle window control device according to claim 1, characterized in that, comprising an intelligent vehicle window control device, said intelligent vehicle window control device comprises: a sensor module, a conditioning circuit module, a button module , a video monitoring module for collecting image information of people in the vehicle and the status of items, a microprocessor control module, an audible and visual alarm and display module, a positioning communication module, a stepping motor and a drive module, a database memory and a window mechanism, The sensor module is connected to the microprocessor control module through the conditioning circuit module, the window mechanism is connected to the microprocessor control module through the stepper motor and the drive module, and the video monitoring module, the sound and light alarm and display module, the positioning communication module, and the database memory are respectively connected with the microprocessor control module. 4. The control method of an intelligent vehicle window control device according to claim 3, wherein the sensor module includes a travel sensor for detecting the position of the vehicle window, that is, the opening degree, a rain sensor, a temperature sensor, and an oxygen content sensor. Sensors, sound sensors, vibration sensors mounted on the windows, and torque sensors for collecting resistance signals during the closing process of the windows. 5. The control method of a kind of intelligent vehicle window control device according to claim 3, characterized in that, the conditioning circuit module includes a signal conversion unit and a standardization unit, wherein the signal conversion unit converts the output signal of each sensor into A unified electrical signal type, and the standardization unit converts the above unified electrical signal into a data type suitable for the microprocessor to receive. 6. The control method of an intelligent vehicle window control device according to claim 3, wherein the button module includes several window control buttons located at the driver's position and several window control buttons located at the co-driver's position. button and several window control buttons located on both sides of the rear row. 7. The control method of an intelligent vehicle window control device according to claim 6, characterized in that, the several window control buttons located at the driver's position include several window lift control buttons and are used for manual switching The function switching button of the window working mode. 8. The control method of a kind of intelligent vehicle window control device according to claim 3, characterized in that, the stepper motor and the drive module include several stepper motors and Cooperating with the stepper motor, it is composed of a drive module that converts the window control signal transmitted by the microprocessor into a drive signal that actually controls the step angle of the stepper motor. 9. The control method of an intelligent vehicle window control device according to claim 3, characterized in that, the vehicle window mechanism includes a vehicle window mechanism that is connected to the vehicle window glass to complete the opening/closing of the vehicle window glass and the opening degree of the vehicle window. window lift mechanism. 10 . The control method of an intelligent vehicle window control device according to claim 3 , wherein the positioning communication module includes a GPS positioning and GPRS communication module. 11 .