阅读说明：本技术 车窗控制装置、车窗及汽车 (Vehicle window control device, vehicle window and automobile ) 是由 曹丞 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种车窗控制装置,将红外光栅传感器和雷达传感器均设置于车窗周围的目标区域,如此,当用户靠近车窗且遮挡红外光栅时和/或遮挡雷达传感器的发射波时,此时红外光栅传感器的检测信号和/或雷达传感器的检测信号为防夹信号,控制部件控制电机反转以控制车窗下降,避免了车窗继续上升实现防夹功能。如此,采用本方案,只要用户靠近车窗并遮挡红外光栅传感器和/或雷达传感器时,即可实现防夹功能,其安全性较高,此外,本方案的防夹功能的实现采用两种防夹策略,其可靠性较高,降低了车窗防夹的失误率,避免了用户被夹伤。此外,本发明还公开了一种车窗及汽车。(The invention discloses a vehicle window control device, wherein an infrared grating sensor and a radar sensor are both arranged in a target area around a vehicle window, so that when a user approaches the vehicle window and shields an infrared grating and/or shields the transmitted wave of the radar sensor, the detection signal of the infrared grating sensor and/or the detection signal of the radar sensor are/is an anti-pinch signal, a control part controls a motor to rotate reversely so as to control the vehicle window to descend, and the vehicle window is prevented from continuously ascending to realize an anti-pinch function. So, this scheme of adoption as long as the user is close to the door window and shelter from when infrared grating sensor and/or radar sensor, can realize preventing pressing from both sides the function, and its security is higher, and in addition, this scheme prevent that the realization of pressing from both sides the function adopts two kinds of strategies of preventing pressing from both sides, and its reliability is higher, has reduced the door window and has prevented the error rate of preventing pressing from both sides, has avoided the user to be pressed from both sides and has hindered. In addition, the invention also discloses a vehicle window and a vehicle.)

1. A window control apparatus, characterized by comprising:

the infrared grating sensor is fixed in a target area around the car window, and a plane formed by the infrared grating emitted by the infrared grating sensor is parallel to a plane where the car window is located;

the radar sensor is fixed in a target area around the vehicle window, and the emission direction of the emitted wave of the radar sensor is parallel to the plane of the vehicle window;

the control component is respectively connected with the infrared grating sensor and the radar sensor and is used for receiving detection signals of the infrared grating sensor and/or the radar sensor and controlling a motor driving the car window to rotate reversely to control the car window to descend when the detection signals are anti-pinch signals;

the anti-pinch signal is a signal for shielding an infrared grating of the infrared grating sensor and/or a signal for shielding a transmitting wave of the radar sensor.

2. The window control apparatus of claim 1, wherein the control part comprises: the system comprises a grating control module, a radar control module and a BCM;

the grating control module is connected with the infrared grating sensor and used for controlling the infrared grating sensor to be in a working state and receiving a detection signal of the infrared grating sensor;

the radar control module is connected with the radar sensor and used for controlling the radar sensor to be in a working state and receiving a detection signal of the radar sensor;

BCM respectively with grating control module radar control module with the motor is connected, is used for receiving detected signal judges detected signal does prevent pressing from both sides behind the signal, control the motor reversal.

3. The window control apparatus of claim 1, further comprising: a speed reducer;

the speed reducer is connected with the motor and used for limiting the rotating speed of the motor.

4. The window control apparatus according to any one of claims 1 to 3, characterized by further comprising: a Hall sensor;

the Hall sensor is connected with a motor, and a magnetic ring is arranged on the motor and used for collecting a rotation signal of a rotor of the motor and outputting a square wave pulse signal;

control unit be used for with hall sensor connects, is used for gathering output square wave pulse signal, and according to output square wave pulse signal's number and pulse width are judged the position of door and window with the anti-pinch force that the door and window received, and the position of door and window is in prevent pressing from both sides the region just when preventing that pinch force is in preventing pressing from both sides the scope, control the motor reverses.

5. The window control apparatus of claim 4, further comprising: a sampling resistor and an amplifying circuit;

the sampling resistor is connected with the motor and used for collecting current signals flowing through the motor;

the amplifying circuit is connected with the sampling resistor and is used for amplifying the current signal;

the control unit with amplifier circuit connects, is used for following extract electric current ripple signal in the electric current signal, and according to the pulse number of electric current ripple signal judges the position of door and window, and according the signal value of electric current ripple signal judges the anti-pinch force that the door and window received, and the position of door and window is in and prevents pressing from both sides the region just when preventing pressing from both sides the scope, control the motor reverses.

6. The vehicle window control apparatus of claim 4, wherein the echelette sensor, the radar sensor, and the hall sensor communicate with the control component via a CAN bus.

7. The window control apparatus according to any one of claims 1 to 3, characterized by further comprising: an early warning device;

the control part is connected with the early warning device and used for controlling the early warning device to give an alarm when the detection signal is the anti-pinch signal.

8. A vehicle window, comprising: the window control apparatus of any one of claims 1 to 7.

9. The vehicle window according to claim 8, wherein the vehicle window is a side window of an automobile, the echelette sensor in the vehicle window control device is fixed on an inner trim panel of a door where the vehicle window is located, and a plane formed by an echelette emitted by the echelette sensor is parallel to a wall surface of a glass of the vehicle window;

the radar sensor is fixed on a vehicle door outer plate of the vehicle door, and the emission direction of the emitted wave of the radar sensor is parallel to the wall surface of the glass of the vehicle window.

10. An automobile, comprising: the glazing of claim 8 or claim 9.

Technical Field

The invention relates to the field of batteries, in particular to a vehicle window control device, a vehicle window and an automobile.

Background

With the continuous development of automobile technology, the requirement of users on the comfort level of automobiles is higher and higher, wherein the automatic lifting and opening and closing of the windows of the automobiles become the necessary items for the comfort configuration of the automobiles, and the windows of the automobiles comprise front and rear windscreens, ventilation windows, side windows and sunshade roof windows.

Along with more and more cars are provided with the electric windows, the electric windows bring convenience and potential danger, and the event that the fingers are injured by the electric windows is frequent. The safety of electric door and window becomes the problem that the user mainly paid attention to, in order to avoid the user to receive electric door and window's injury, electric door and window possesses and prevents that the function of pressing from both sides has become necessary trend, prevents that the function of pressing from both sides refers to when window glass touches object or human hindrance, control motor reversal operation to prevent glass to continue to rise.

At present, the mainstream anti-pinch mode is based on a hall sensor or a ripple recording mode to realize an anti-pinch function, wherein a magnetic ring is required to be installed on a motor based on the hall sensor, the magnetic ring rotates along with the motor and generates square wave signals through the hall sensor, the number of the square wave signals reflects the position of a skylight, the motion speed of the motor is slowed down when an obstacle is encountered, the period of the corresponding square wave signal is increased, a vehicle Body Control Module (BCM) judges whether the obstacle is encountered or not according to the number, and when the obstacle is encountered, the motor is controlled to rotate reversely to realize the anti-pinch function. The ripple recording-based mode is that the running current of the motor is converted into a voltage signal through a sampling resistor, the voltage signal is amplified, and the amplified signal is directly collected by a controller and is used for judging whether an obstacle is encountered; and the BCM is used for comparing the high-pass signal with the reference voltage to obtain a square wave signal corresponding to the position, recording the number of square wave pulses through the controller to obtain the position of the door and the window, and controlling the motor to rotate reversely to realize an anti-pinch function when judging that the door and the window meet an obstacle. Above two kinds of modes all are feedback signal or ripple signal of gathering the motor and realize preventing pressing from both sides the function, only realize preventing pressing from both sides the function again after glass touches the barrier promptly, and its security is lower, and in addition, the realization of current preventing pressing from both sides the function all adopts single strategy of preventing pressing from both sides, and its reliability is lower, leads to very easily preventing pressing from both sides the failure, causes the problem that the user was pressed from both sides and hindered.

Disclosure of Invention

The invention aims to solve the problem that the anti-pinch function of the car window in the prior art is low in reliability and safety. Therefore, the invention provides the vehicle window control device, the vehicle window and the automobile, which improve the reliability and the safety of the anti-pinch function of the vehicle window and cause the pinching injury of a user.

In order to solve the above problem, an embodiment of the present invention discloses a window control device including: the infrared grating sensor is fixed in a target area around the car window, and a plane formed by the infrared grating emitted by the infrared grating sensor is parallel to a plane where the car window is located;

the radar sensor is fixed in a target area around the vehicle window, and the emission direction of the emitted wave of the radar sensor is parallel to the plane of the vehicle window;

and the control component is respectively connected with the infrared grating sensor and the radar sensor and used for receiving the detection signal of the infrared grating sensor and/or the radar sensor and controlling and driving the motor for reversing the lifting of the car window when the detection signal is an anti-pinch signal.

Adopt above-mentioned technical scheme, all set up echelette grating sensor and radar sensor in the target area around the door window, the transmitting direction of radar sensor's launching wave parallels with the plane at door window place, the plane that the echelette grating that echelette grating sensor launched constitutes parallels with the plane at door window place, thus, when the user is close to the door window and shelters from echelette grating and/or shelters from radar sensor's launching wave time, echelette grating sensor's the detected signal and/or radar sensor's detected signal are for preventing pressing from both sides the signal this moment, the control part control motor reversal is in order to control the door window decline, avoided the door window to continue to rise and realize preventing pressing from both. So, this scheme of adoption as long as the user is close to the door window and shelter from when infrared grating sensor and/or radar sensor, can realize preventing pressing from both sides the function, and its security is higher, and in addition, this scheme prevent that the realization of pressing from both sides the function adopts two kinds of strategies of preventing pressing from both sides, and its reliability is higher, has reduced the door window and has prevented the error rate of preventing pressing from both sides, has avoided the user to be pressed from both sides and has hindered.

Further, in an embodiment of the present invention, the control unit includes: the system comprises a grating control module, a radar control module and a BCM;

the grating control module is connected with the infrared grating sensor and used for controlling the infrared grating sensor to be in a working state and receiving a detection signal of the infrared grating sensor;

the radar control module is connected with the radar sensor and used for controlling the radar sensor to be in a working state and receiving a detection signal of the radar sensor;

BCM respectively with grating control module radar control module with the motor is connected, is used for receiving detected signal judges detected signal does prevent pressing from both sides behind the signal, control the motor reversal.

Further, in an embodiment of the present invention, the vehicle window control device further includes: a speed reducer;

the speed reducer is connected with the motor and used for limiting the rotating speed of the motor.

Further, in an embodiment of the present invention, the vehicle window control device further includes: a Hall sensor;

the Hall sensor is connected with a motor, and a magnetic ring is arranged on the motor and used for collecting a rotation signal of a rotor of the motor and outputting a square wave pulse signal;

control unit be used for with hall sensor connects, is used for gathering output square wave pulse signal, and according to output square wave pulse signal's number and pulse width are judged the position of door and window with the anti-pinch force that the door and window received, and the position of door and window is in prevent pressing from both sides the region just when preventing that pinch force is in preventing pressing from both sides the scope, control the motor reverses.

Further, in an embodiment of the present invention, the vehicle window control device further includes: a sampling resistor and an amplifying circuit;

the sampling resistor is connected with the motor and used for collecting current signals flowing through the motor;

the amplifying circuit is connected with the sampling resistor and is used for amplifying the current signal;

the control unit with amplifier circuit connects, is used for following extract electric current ripple signal in the electric current signal, and according to the pulse number of electric current ripple signal judges the position of door and window, and according the signal value of electric current ripple signal judges the anti-pinch force that the door and window received, and the position of door and window is in and prevents pressing from both sides the region just when preventing pressing from both sides the scope, control the motor reverses.

Further, in the embodiment of the present invention, the infrared grating sensor, the radar sensor, the hall sensor, and the control component are all communicated through a CAN bus.

Further, in an embodiment of the present invention, the vehicle window control device further includes: an early warning device;

the control part is connected with the early warning device and used for controlling the early warning device to give an alarm when the detection signal is the anti-pinch signal.

Further, the embodiment of the invention discloses a vehicle window, which comprises the vehicle window control device.

Further, in the embodiment of the present invention, the vehicle window is specifically a side window of an automobile, an infrared grating sensor in the vehicle window control device is fixed to an interior trim panel of a door where the vehicle window is located, and a plane formed by an infrared grating emitted by the infrared grating sensor is parallel to a wall surface of a glass of the vehicle window;

the radar sensor is fixed on a vehicle door outer plate of the vehicle door, and the emission direction of the emitted wave of the radar sensor is parallel to the wall surface of the glass of the vehicle window.

Further, embodiments of the present invention disclose an automobile comprising any of the above-mentioned windows.

Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a first vehicle window control device provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a specific implementation of a control component in a vehicle window control device according to embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of a second vehicle window control device provided in embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of a third window control device provided in embodiment 1 of the present invention.

Reference numerals

10: an infrared grating sensor;

20: a radar sensor;

30: a control component; 301: a grating control module; 302: a radar control module; 303: BCM;

40: a motor;

60: a Hall sensor;

70: sampling a resistor;

80: an amplifying circuit.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.