阅读说明：本技术 电动窗户防盗控制系统 (Electric window anti-theft control system ) 是由 胡渐佳 于 2020-05-07 设计创作，主要内容包括：本发明提出一种电动窗户防盗控制系统,根据防盗控制装置监测的防盗控制信息自动进行窗户防盗功能的布撤,根据移动检测装置检测的窗户移动信号,主动通过锁止装置阻止窗户的移动,防止他人翻窗而入；在撤防状态下,可以通过手动自由开关电动窗户。本发明把电动窗户融入家庭安防系统中,通过安防系统自动控制电动窗户,通过电动窗户的自我锁止主动防止他人进入,变被动报警为主动阻止,在手动与锁止之间通过安防智能切换。(The invention provides an electric window anti-theft control system, which automatically performs the distribution and the removal of a window anti-theft function according to anti-theft control information monitored by an anti-theft control device, actively prevents the window from moving through a locking device according to a window moving signal detected by a movement detection device, and prevents other people from entering the window by turning over the window; in the disarming state, the electric window can be freely opened and closed manually. According to the invention, the electric window is integrated into a home security system, the electric window is automatically controlled through the security system, the self-locking of the electric window actively prevents others from entering, passive alarm is changed into active prevention, and intelligent switching between manual operation and locking is realized through security.)

1. The utility model provides an electronic window anti-theft control system, includes window, electric actuator, removal detection device, locking means, anti-theft control device, alarm device, process control ware, and wherein electric actuator includes motor, motor drive circuit, mechanical drive mechanism, and process control ware passes through motor drive circuit control motor and rotates, drives the window through mechanical drive mechanism and removes characterized by:

the anti-theft control device is used for transmitting anti-theft control information to the processing controller, and the processing controller controls to start the anti-theft function of the system according to the transmitted anti-theft control information:

if the mobile detection device detects a window moving signal, the window is judged to be stolen by someone, and the locking device is opened by the processing controller to prevent the window from moving, so that the alarm device is triggered to send alarm information.

2. The system of claim 1, wherein: the anti-theft control device comprises one or more of the following components:

the anti-theft control device comprises an intelligent camera, a shooting doorway area and a detection module, wherein the intelligent camera is used for detecting the entrance and exit of indoor personnel, and the anti-theft control information comprises that all indoor members are out; or

The anti-theft control device comprises a wireless detection device arranged in a doorway area, a smart phone for monitoring the doorway area in a wireless communication mode identifies the information of the family member entering and leaving the door, and the anti-theft control information comprises the information that all members in the house have left the door; or

The anti-theft control device comprises a timer, and the anti-theft control information comprises a set anti-theft time period; or

The anti-theft control device comprises a smart phone, and the anti-theft control information comprises an anti-theft opening instruction input by the smart phone.

3. The system of claim 1, wherein: the locking device comprises an electromagnetic clutch arranged in the electric device, the electromagnetic clutch is closed to enable an output motor of the electric device to rotate so as to push the window to move, if external force pushes the window to move, the electric device is driven to rotate reversely, and the window is prevented from moving through reverse transmission resistance of the electric device.

4. A system according to claim 1 or 3, characterized in that: the locking device comprises a motor, an electronic switch is arranged in a motor circuit, and the electronic switch is controlled to be closed by the processing controller according to the movement of the window, so that a magnetic field generated by a closed loop formed by a coil in the motor prevents the motor from rotating, and the transmission resistance of the electric device is further increased.

5. A system according to claim 1 or 3, characterized in that: the locking device comprises a motor, and the processing controller switches on reverse current to the motor according to the moving direction of the window to enable the motor to rotate reversely and generate thrust opposite to the moving direction of the window so as to prevent the window from being opened.

6. The system of claim 1, wherein: the locking device comprises an electromagnetic locking device, the electromagnetic locking device is arranged on a locking shaft which cannot rotate, when the electromagnetic locking device is disconnected, the electromagnetic locking device can rotate along with the window transmission mechanism, when the electromagnetic locking device is closed, the electromagnetic locking device is limited by the locking shaft and cannot rotate, the window transmission mechanism is prevented from rotating, and then the window cannot be locked to move.

7. The system of claim 1, wherein: the locking device comprises an electromagnetic lock arranged on the window, an iron plate is arranged on a window frame corresponding to the electromagnetic lock in the closed state of the window, and the window is prevented from being opened through the suction force between the electromagnetic lock and the iron plate.

8. The system of claim 1, wherein: the anti-theft function comprises that the processing controller controls the electric device to close the window.

9. A system according to claim 1, 2 or 3, wherein: the system allows the user to manually move the window through the manual control device based on the non-anti-theft control information transmitted by the anti-theft control device.

10. The system of claim 9, wherein: the non-theft control information includes one or more of:

identifying that family members enter the house through video image analysis of the intelligent camera; or

Monitoring that a smart phone enters a door to identify family members to enter the door through a wireless detection device in the door area; or

Outside the set anti-theft time period; or

And the instruction for closing the anti-theft function is input by the smart phone.

Technical Field

The invention relates to the technical field of electric windows, in particular to an anti-theft control system of an electric window.

Background

Motorized windows may be controlled to open and close manually and electrically. The home security system alarms by detecting stolen human body signals through the human body sensors arranged on the doors and windows, can not prevent people outside the windows from turning the windows and entering the windows, and needs to manually set the opening and closing of the security system.

Disclosure of Invention

The invention aims to provide an electric window anti-theft control system which can automatically perform the security protection and the arrangement and the removal of a window, actively lock when someone tries to move the window, prevent outsiders from entering the window by turning over the window, and simultaneously does not influence the manual opening and closing of the window by family members.

The invention provides an electric window anti-theft control system, which comprises a window, an electric device, a movement detection device, a locking device, an anti-theft control device, an alarm device and a processing controller, wherein the electric device comprises a motor, a motor driving circuit and a mechanical transmission mechanism; the anti-theft control device is used for transmitting anti-theft control information to the processing controller, and the processing controller controls and starts the anti-theft function of the system according to the input anti-theft control information: if the mobile detection device detects a window moving signal, the window is judged to be stolen by someone, the locking device is opened by the processing controller, the window is prevented from moving, and the alarm device is triggered to send alarm information.

Optionally, the anti-theft control device includes one or more of the following: the anti-theft control device comprises an intelligent camera, a shooting doorway area and a detection module, wherein the intelligent camera is used for detecting the entrance and exit of indoor personnel, and the anti-theft control information comprises that all indoor members are out; or the anti-theft control device comprises a wireless detection device arranged in a doorway area, and the intelligent mobile phone in the doorway area is monitored in a wireless communication mode to identify the information of the family member entering and leaving the door, wherein the anti-theft control information comprises the information that all members in the room are going out; or the anti-theft control device comprises a timer, and the anti-theft control information comprises a set anti-theft time period; or the anti-theft control device comprises a smart phone, and the anti-theft control information comprises an anti-theft opening instruction input by the smart phone.

The locking device comprises an electromagnetic clutch arranged in the electric device, the electromagnetic clutch is closed to enable an output motor of the electric device to rotate so as to push the window to move, if external force pushes the window to move, the electric device is driven to rotate reversely, and the window is prevented from moving through reverse transmission resistance of the electric device.

The locking device comprises a motor, an electronic switch is arranged in a motor circuit, and the electronic switch is controlled to be closed by the processing controller according to the movement of the window, so that a magnetic field generated by a closed loop formed by a coil in the motor prevents the motor from rotating, and the transmission resistance of the electric device is further increased.

The locking device comprises a motor, and the processing controller switches on reverse current to the motor according to the moving direction of the window to enable the motor to rotate reversely and generate thrust opposite to the moving direction of the window so as to prevent the window from being opened.

The locking device comprises an electromagnetic locking device, the electromagnetic locking device is arranged on a locking shaft which cannot rotate, when the electromagnetic locking device is disconnected, the electromagnetic locking device can rotate along with the window transmission mechanism, when the electromagnetic locking device is closed, the electromagnetic locking device is limited by the locking shaft and cannot rotate, the window transmission mechanism is prevented from rotating, and then the window cannot be locked to move.

The locking device comprises an electromagnetic lock arranged on the window, an iron plate is arranged on a window frame corresponding to the electromagnetic lock in the closed state of the window, and the window is prevented from being opened through the suction force between the electromagnetic lock and the iron plate.

Further, the anti-theft function includes processing the controller to control the electric device to close the window.

Further, the anti-theft function includes the processing controller controlling the opening of the movement detection device to detect the window movement signal.

The system allows the user to manually move the window through the manual control device based on the non-anti-theft control information transmitted by the anti-theft control device.

The non-anti-theft control information comprises that a family member enters a house through video image analysis of an intelligent camera; or the wireless detection device in the door area monitors that the smart phone enters the door to identify family members to enter the door; or outside the set anti-theft time period; or an instruction for closing the anti-theft function input by the smart phone.

According to the anti-theft control device, the anti-theft function of the window is automatically distributed and removed according to the anti-theft control information monitored by the anti-theft control device, a person is judged to steal the window according to the window movement signal detected by the movement detection device, the window is actively prevented from moving through the locking device, and then other people are prevented from entering the window by turning over the window; in the disarming state, the electric window can be freely opened and closed manually. According to the invention, the electric window is integrated into a home security system, the electric window is automatically controlled through the home security system, the electric window is actively prevented from entering by self-locking, passive alarm is changed into active prevention, and intelligent switching is carried out between manual operation and locking through security.

Drawings

Fig. 1 is a flow chart illustrating a method for controlling theft prevention of a power window according to the present invention.

Fig. 2 is a block diagram schematically illustrating the construction of the electric window anti-theft control system of the present invention.

Detailed Description

In the flow diagram of the electric window anti-theft control method shown in fig. 1, anti-theft control information is monitored by an anti-theft control device, a window movement signal is detected by a movement detection device, and the window is prevented from moving by a locking device, which specifically includes the following steps:

(1) monitoring anti-theft control information through an anti-theft control device;

(2) the processing controller starts the anti-theft function according to the anti-theft control information;

(3) detecting a window movement signal by a movement detection device;

(4) the processing controller prevents the window from moving through the locking device according to the window movement signal;

(5) alarm information is sent out through an alarm.

The technical process of the present invention will be described separately with reference to the following examples.

Fig. 2 is a schematic structural diagram of an electric window anti-theft control system according to the present invention, which includes a window, an electric device, a movement detection device, a locking device, an anti-theft control device, an alarm device, and a processing controller, wherein the electric device includes a motor, a motor driving circuit, and a mechanical transmission mechanism, and the processing controller controls the motor to rotate through the motor driving circuit, and drives the window to move through the mechanical transmission mechanism.

The anti-theft control device is connected with the processing controller in a wired or wireless mode. The wireless connection mode comprises communication modes such as infrared rays, Bluetooth, RF (radio frequency), ZigBee, WiFi (wireless fidelity) and the like. The processing controller can be a logic judgment control circuit, and can also comprise an MCU, a CPU or a singlechip and the like.

The anti-theft control device is used for transmitting anti-theft control information to the processing controller, and the processing controller controls and starts the anti-theft function of the system according to the input anti-theft control information.

The anti-theft control device comprises an intelligent camera, a shooting door area and a detection module, wherein the intelligent camera is used for detecting the entrance and exit of indoor personnel, and the anti-theft control information comprises that all indoor members are out.

The intelligent camera shoots a doorway area, family member door access information is identified through video image analysis, a user entering the doorway area is identified through images, and the door access process of the user is monitored through mobile analysis.

The intelligent camera is arranged at a certain position in a room, such as a wall or a desk, faces a door to shoot a doorway area and can shoot a door image, and the intelligent camera is arranged on a wall where the door is located, such as a transverse door frame in the door or a door wall, can downwards shoot the doorway area and cannot shoot the door image.

The intelligent camera arranged in the house can establish a door opening and closing identification model through the collected image information of the opening and closing states of the house door, and can identify the door opening and closing state of the door according to the door opening and closing model.

To the user entering, when the door is opened, the indoor intelligent camera can shoot the user entering the door and enter the camera from the outside of the door, turn to close the door, then leave the door lock, move to the indoor until disappearing from the shooting area. For the person who enters the door along with the door, after the door is opened, the intelligent camera shoots that the user enters the camera from the outside of the door and moves towards the indoor direction until the person disappears from the shooting area.

To the user departure, the indoor intelligent camera can shoot the user that departs and get into the camera from the room, and move to the gate until the departure, the user image disappears after closing the door. For the person who goes out along with, after opening the door, the intelligent camera shoots that the user gets into the camera from the indoor, moves to the gate until disappearing from the outdoors.

The indoor intelligent camera arranged on the indoor transverse door frame or the doorway wall shoots the hall area downwards, so that users who enter and exit the door can be overlooked, the door is positioned at the bottom outside the shooting area, the users enter from the bottom (outdoors) of the picture, move upwards (indoors), disappear from the top (indoors), the users go out of the door enter from the top (indoors), move downwards (outdoors), and disappear from the bottom (outdoors).

To the user entering, when the door is opened, the intelligent camera in the door can shoot the user entering the door and enter the camera from the outside of the door, and the door turns to leave the door lock after being closed, moves towards the inside of the room and disappears. For the personnel who enter the door along with, after opening the door, the intelligent camera shoots that the user enters the camera from outdoors, then moves to the room and disappears.

To the user go out, before opening the door, the user that goes out can be shot to the indoor intelligent camera and get into from the room to move to the gate, disappear from the door after opening the door. For the people who go out along with the door, after the door is opened, the intelligent camera shoots that the user enters the camera from the inside of the room, moves towards the door, and then disappears from the outside of the door.

The intelligent camera is arranged on an indoor transverse door frame or a doorway wall, so that the recognition effect of the intelligent camera can be improved through installation, the installation is standardized, and the requirement on video analysis software is reduced.

And establishing image identification information of family members in the intelligent camera, and identifying members entering or leaving according to preset image identification information. The establishing method is that after the intelligent camera is set, the image identification information, especially the image information when the key node is established by collecting the video image of the user in the process of independently entering and exiting the home, such as the image when the user enters the camera, or the image before leaving the camera, or the image when the user opens or closes the door, or the image when the user is at a certain specific position in the shooting area, etc.

The image recognition information is used for distinguishing family members, not for identity authentication, and thus may be face image information, body characteristics such as height and weight, sex characteristics of men and women, and the like. In addition, according to different setting modes of the intelligent camera, the angle for acquiring the image identification information of the user is different, and the image can be a front image, a side image or a top view image. For example, an intelligent camera arranged on the upper head of the door overlooks a doorway area, a user can be identified by overlooking front information of the user, and a user entering the door can be identified by overlooking back or side information of the user. The camera arranged in the room can be used for looking forward or looking obliquely at a doorway area, identifying a user entering the door through the front image information of the user and identifying the user entering the door through the back image information of the user.

The system presets the number of family members, identifies the entrance and exit of the family members through images, and starts the anti-theft function of the system by the processing controller after the last family member leaves the door.

The anti-theft control device can also comprise a wireless detection device arranged in a doorway area, the smart phone in the doorway area is monitored in a wireless communication mode, the process that a user enters or leaves the door is monitored according to the monitored signal change of the smart phone, and the anti-theft control information comprises the fact that all members in a room leave the door.

A method for monitoring a smart phone is characterized in that a position range of a doorway area is set by taking a doorway as a center through an indoor positioning technology, for example, an area range smaller than 0.5-2 m by taking a door as a center, the smart phone entering the doorway area is identified through indoor positioning of the smart phone, and then a user is identified, at the moment, a monitoring device is a positioning node in the indoor positioning technology and is arranged in the doorway area or other indoor places.

By determining the indoor position range, the user can be judged to enter or exit according to the position change of the smart phone, namely when the position of the smart phone enters the door area from the indoor position range, the user is judged to exit, and if the smart phone enters the door area from the position outside the indoor position range, the user is judged to enter.

The other method for monitoring the smart phone is to identify the smart phone entering the entrance area through a wireless signal intensity range received by a wireless detection device arranged in the entrance area, judge that the smart phone enters the entrance area if the signal intensity of the smart phone detected by the monitoring device is greater than a set threshold value, and judge that the smart phone is out of the entrance area if the signal intensity of the smart phone is less than the set threshold value.

In an optimization, the signal strength judgment value may be a statistical value. The statistical value is established by counting the signal intensity of the user in a period when the user opens the door, and comprises the minimum value of the signal intensity of the electronic end when the door is opened, or the corrected value of the central value of the signal intensity, such as the average value minus a set value, which is monitored at the door, and the signal intensity of the electronic end in the door area is greater than the statistical value. The statistical value can better adapt to the carrying habits of different users and different application scenes relative to the set value, for example, the Bluetooth signal intensity is easily influenced by the environment including the family environment and the carrying habits of the users, the comprehensive characteristics of the scenes are reflected according to the judgment conditions of the doorway area established by the statistical method, and the applicability is stronger.

The wireless detection device arranged in the door area can judge that a user enters or exits the door according to the change of the signal intensity of the smart phone. In the process of entering a door by a user, the signal intensity of the smart phone detected by the wireless detection device is gradually increased from being smaller than a set threshold value to being larger than the set threshold value; when a user enters a door, the smart phone is always in the communication range of the wireless detection device, and in the process that the user leaves the door, the signal intensity of the smart phone detected by the wireless detection device is gradually increased from being smaller than a set threshold value to being larger than the set threshold value, and then gradually decreases until the signal intensity disappears.

In order to expand the communication range of the wireless detection device, a plurality of communication nodes can be arranged indoors to form a wireless communication network covering the whole house, and whether the smart phone is in the network range or not is judged to be in the house or outside the house.

The other method for judging the entrance or exit of the smart phone through the signal intensity is to respectively arrange wireless detection devices inside and outside the door, and judge the entrance or exit by comparing the signal intensities of the mobile phones detected by the wireless detection devices through the wireless detection devices, namely, when a user enters the door with the mobile phone, the signal intensity of the mobile phone detected by the wireless detection device outside the door is greater than that detected by the wireless detection device inside the door, and when the user exits the door with the mobile phone, the signal intensity of the mobile phone detected by the wireless detection device inside the door is greater than that detected by the wireless detection device outside the door.

The anti-theft control device can further comprise a timer, the anti-theft control information comprises a set anti-theft time period, such as an office time period set by a user, or a night sleeping time period, and the processing controller controls to start the anti-theft function of the system in the set time period.

The anti-theft control device can also comprise a smart phone, the anti-theft control information comprises an anti-theft opening instruction input by the smart phone, and the processing controller controls the opening of the anti-theft function of the system according to a mobile phone control signal.

In the anti-theft mode, the system detects a window movement signal by the movement detection device. The movement detection device comprises any one of a displacement sensor, a position sensor, a motion sensor and a Hall sensor, can detect a movement signal of the window, and can judge that the window moves by detecting a rotation signal of the transmission mechanism. Can set up position sensor between window and window frame, for example set up a pair of magnetic sensor that faces each other on window under the window closed condition and the corresponding window frame, can detect the window and open the action, or set up displacement sensor between window and removal track, detect the window and remove the signal, also can set up motion sensor such as acceleration sensor in the window, judge that the window removes through the motion signal of window.

Another method is to provide a moving sensor in the transmission mechanism to detect the rotation signal of the transmission mechanism, for example, to provide a magnet on the rotating wheel and detect the rotation signal by detecting the magnetic change on the rotating wheel through a hall sensor, or to provide an external light hole on the rotating wheel, and to provide a light emitting tube on one side of the light hole and a receiving tube on the opposite side, and to detect the rotation signal of the rotating wheel through a correlation type photoelectric switch.

Obviously, the detection of the window movement signal by the movement sensor requires the window to move a certain detection distance, which may be referred to as a movement detection sensitivity or a movement detection delay. The movement detection sensitivity or the movement detection delay may affect the lock control of the window, and the higher the movement detection sensitivity or the smaller the movement detection delay, the smaller the influence on the lock control of the window.

Under the system anti-theft mode, if the movement detection device detects a window movement signal, it is judged that someone steals the window, the processing controller opens the locking device to prevent the window from moving, and the alarm device is triggered to send alarm information.

The locking device comprises an electromagnetic clutch arranged in the electric device, the electromagnetic clutch is closed to enable an output motor of the electric device to rotate so as to push the window to move, when the window is pushed to move through external force, the electric device is driven to rotate reversely, and the window is prevented from moving through reverse transmission resistance of the electric device. The reverse transmission resistance mainly comes from the rotating speed ratio and the system friction force, and if the rotating speed ratio of the transmission mechanism is larger, the reverse transmission resistance is larger. When the electromagnetic clutch is disconnected, the window is separated from the transmission mechanism and can move independently.

Another method for increasing the reverse transmission resistance of the transmission mechanism is to control the current in the motor, an electronic switch is arranged in the motor circuit, a processing controller controls the electronic switch to be closed according to the movement of the window, so that a coil in the motor forms a closed loop, when the motor rotates, the rotating motor coil generates current under the action of an external magnetic field, the loop current generates a magnetic field again, the motor is prevented from rotating under the action of the magnetic force between the magnetic field generated by the current in the motor coil and the magnet, and the transmission resistance of the electric device is increased.

Another method for increasing the reverse transmission resistance of the transmission mechanism is to supply a reverse current to the motor, and the motor is rotated in the reverse direction by the magnetic force between the magnetic field generated by the reverse current in the motor coil and the magnet, so as to generate a thrust opposite to the moving direction of the window, thereby preventing the window from opening and moving.

In addition, the locking device also comprises an electromagnetic locking device, the electromagnetic locking device is arranged on a locking shaft which cannot rotate, when the electromagnetic locking device is disconnected, the electromagnetic locking device can rotate along with the window transmission mechanism, when the electromagnetic locking device is closed, the electromagnetic locking device is restrained by the locking shaft and cannot rotate, the window transmission mechanism is prevented from rotating, and then the locked window cannot move.

The locking device further comprises an electromagnetic locking device, the electromagnetic locking device is installed on a locking shaft incapable of rotating and is linked with the transmission mechanism through gear transmission, when the electromagnetic locking device is disconnected, the electromagnetic locking device can rotate along with the window transmission mechanism, when the electromagnetic locking device is closed, the electromagnetic locking device is restrained by the locking shaft and cannot rotate, the window transmission mechanism is prevented from rotating, and then the locking window cannot move.

Unlike electromagnetic clutch, which is installed on a non-rotatable locking shaft and is installed on the transmission shaft of the transmission mechanism, the electromagnetic lock prevents rotation and the electromagnetic clutch transmits rotation.

Locking device is still including setting up the electromagnetic lock on the window, sets up iron plate on the window frame that corresponds with the electromagnetic lock under the window closed condition, and when the electric current passed through the silicon steel sheet in the electromagnetic lock, the electromagnetic lock produced great magnetic attraction and holds iron plate and reach the locking effect, and then prevents that the window opens through the suction between electromagnetic lock and the iron plate.

The movement signal detected by the movement detection device has certain hysteresis, that is, the system opens the electromagnetic lock after the window is opened for a certain distance, and at the moment, the electromagnetic lock is separated from the iron plate for a certain distance, so that the locking effect is influenced. An optimization method is that a fixed slide way is arranged on an iron plate in combination with the movement detection sensitivity or the movement detection delay of a movement detection device, the iron plate is allowed to move along the slide way, when a window is completely closed, the iron plate is pushed by an electromagnetic lock to move to one side, in the opening process of the window, the electromagnetic lock releases the extrusion on the iron plate, the iron plate is pushed by a spring to move to the other side to an initial position so as to offset the movement detection delay, and therefore after the window moves for a certain distance, the iron plate can still be kept in close contact with the electromagnetic lock to lock the window.

In the anti-theft mode, the system monitors the movement of the window through the movement detection device, once the window movement signal is monitored, the system judges that someone attempts to turn over the window and enter the window, the window is locked through the locking device immediately and is difficult to move, and the passive alarm mode is changed into the active prevention mode.

Obviously, the system can also send alarm information through the alarm when preventing the invasion, for example, send out the high pitch alarm sound through the loudspeaker, or send alarm information to user's cell-phone through wireless communication.

Further, in the antitheft mode, the process controller controls the electric device to close the window. The system judges the current closing degree of the window according to the moving distance and the direction detected by the displacement detection device, and if the closing degree is less than 100%, the processing controller controls the electric device to continue to close the window until the closing degree reaches 100%.

The closeness of the motorized window is the ratio of the displacement of the motorized window that is currently closed to the maximum range displacement, i.e., the ratio of the displacement of the motorized window from fully open to the current position to the maximum displacement from fully open to fully closed, or to the maximum displacement from fully closed to fully open.

The displacement that takes place through displacement sensor detection electric window sets up position sensor at electric window complete closure position and complete open position to detect electric window's maximum displacement scope, through opening or closing of motor drive direction control electric window.

The displacement sensor can be a correlation type photoelectric switch, a transmission belt or a transmission wheel of the electric window is punched, a light emitting tube and a receiving tube of the photoelectric switch are respectively arranged at two sides of the transmission belt or the transmission wheel, the number of holes which are moved by the transmission belt or rotated by the transmission wheel is recorded through the switching times of the photoelectric switch, and the closure degree of the electric window can be determined through the ratio of the number of the moved or rotated holes to the total number of holes in the maximum moving range of the electric window.

The displacement sensor can also comprise a stepping motor or an angle sensor for detecting the rotation of the driving wheel.

In addition, a position sensor, such as a contact switch or a pair of magnetic sensors, may be disposed at a corresponding position of the window and the window frame to detect a window closing signal, and in the anti-theft mode, the processing controller controls the electric device to close the window if the position sensor does not detect the window closing signal.

Further, the system processes the controller to allow the user to manually move the window through the manual control device according to the non-theft control information transmitted by the theft control device. The non-anti-theft control information comprises any one of identifying that a family member enters a house through video image analysis of an intelligent camera, or identifying that the family member enters the house through a wireless detection device in a door opening area by monitoring an entrance intelligent mobile phone, or identifying that the family member enters the door outside a set anti-theft time period, or inputting an instruction for closing an anti-theft function by the intelligent mobile phone.

The manual control device comprises an electromagnetic clutch, the electromagnetic clutch is arranged between the window transmission mechanism and the motor power output mechanism, and when the electromagnetic clutch is closed, the motor power can be transmitted to the window to move; if the electromagnetic clutch is controlled to be switched off by the processing controller, the window transmission mechanism and the motor power output mechanism can be disconnected, so that the window moving process can be free from the constraint of the motor power mechanism, and the window can be conveniently and manually switched on and off.

Manual control device still includes the removal detection device, through the removal signal and the direction that remove detection device detected the window, for example not only can detect the window motion signal through triaxial acceleration motion sensor, can judge the direction of motion moreover, and processing controller controls motor current direction according to the direction of movement of window to make electronic window move the window according to user's hand push direction automatic control, reach manual-automatic control effect.

The anti-theft control device controls the system to automatically switch between the anti-theft mode and the non-anti-theft mode, and the convenience of manual opening and closing of the electric window is kept in the non-anti-theft mode; under the theftproof mode, the window is judged to be stolen through the window movement signal monitored by the movement detection device, and the window is actively prevented from moving through the locking device, so that outsiders are prevented from entering the window by turning the window, and the electric window has an active theftproof function.