阅读说明：本技术 汽车电动车窗多级升降速度控制系统及方法 (Multistage lifting speed control system and method for automobile electric window ) 是由 周德明 卢小溪 陈飞 张恒 高雷军 张亚南 李建才 于 2020-04-26 设计创作，主要内容包括：本发明涉及电动车窗技术领域,提供了一种汽车电动车窗多级升降速度控制方法,该方法包括如下步骤：S1、车身控制器BCM接收车窗升降控制模块发送的车窗升降方向及期望升降速度,并转发至电机控制器；S2、电机控制器控制对应电动车窗以期望升降速度进行动作。使用车载多媒体人机界面来快速个性化设置单个和全部四车窗的升降速度,改进了传统汽车车窗升降速度不均或无法调节,增强了用户跟汽车之间的交互体验,提升了车辆的智能化和用户使用感受,更适应智能化时代乘客对于汽车车窗升降控制系统的新需求。(The invention relates to the technical field of electric windows, and provides a method for controlling the multistage lifting speed of an automobile electric window, which comprises the following steps: s1, the BCM receives the window lifting direction and the expected lifting speed sent by the window lifting control module and forwards the window lifting direction and the expected lifting speed to the motor controller; and S2, controlling the corresponding power window to move at the expected lifting speed by the motor controller. The lifting speed of a single vehicle window and the lifting speed of all four vehicle windows are set rapidly and individually by using the vehicle-mounted multimedia human-computer interface, the problem that the lifting speed of the traditional vehicle window is uneven or cannot be adjusted is solved, the interactive experience between a user and a vehicle is enhanced, the intellectualization of the vehicle and the use experience of the user are improved, and the novel requirements of passengers on the vehicle window lifting control system in the intelligent era are met.)

1. A multistage lift speed control system of car power window characterized in that, the system includes:

the system comprises vehicle-mounted multimedia, a vehicle body controller BCM and a motor controller;

the vehicle-mounted multimedia is communicated with a BCM (body controller) through a CAN (controller area network) line, the BCM is communicated with a motor controller through the CAN line, and the motor controller is communicated and connected with motors of four electric vehicle windows;

and the vehicle-mounted multimedia is provided with a vehicle window lifting control module for controlling the lifting direction and the lifting speed of four vehicle windows.

2. The automotive power window multistage lift speed control system of claim 1, wherein the window lift control module comprises: the device comprises a left front window lifting control unit, a left rear window lifting control unit, a right front window lifting control unit and a right rear window lifting control unit; wherein, left front window lift control unit includes: left front window lifting direction selects subunit and left front window lifting speed to set up the subunit, and left rear window lift control unit includes: left back door window lifting direction selects subunit and left back door window lifting speed to set up the subunit, and right front window lift control unit includes: the lift direction of right front window selects subunit and right front window lifting speed to set up the subunit, and right rear window lift control unit includes: the right rear window lifting direction selecting subunit and the right rear window lifting speed setting subunit.

3. The multi-stage window power control system of claim 2, wherein the window lift control module further comprises:

window lift synchronous control unit, window lift synchronous control unit includes: the car window lifting direction synchronous selection subunit and the car window lifting speed synchronous setting subunit.

4. The multistage window regulator control system according to claim 3, wherein the left front window lift speed setting subunit, the left rear window lift speed setting subunit, the right front window lift speed setting subunit, the right rear window lift speed setting subunit, and the window lift speed synchronization setting subunit are each provided with a scroll bar, and the scroll bar includes a ruler bar and a ball;

the ruler strip is defined with calibration points and speed increments corresponding to the calibration points, the calibration point with the speed increment being zero is a base point, when the ball is located at the base point, the motor runs at a reference speed, the positive direction and the negative direction of the speed increment are defined based on the base point, and the farther the ball is from the base point, the larger the absolute value of the speed increment is.

5. The system for controlling a multistage lifting speed of a power window of an automobile according to claim 1, further comprising:

and the rainfall sensor is arranged at the top of the automobile and is in communication connection with the BCM controlled by the automobile body.

6. The multistage lifting speed control method for the power windows of the automobile based on the multistage lifting speed control system for the power windows of the automobile of any one of claims 1 to 5 is characterized by specifically comprising the following steps:

s1, the BCM receives the window lifting direction and the expected lifting speed sent by the window lifting control module and forwards the window lifting direction and the expected lifting speed to the motor controller;

and S2, controlling the corresponding power window to move at the expected lifting speed by the motor controller.

7. The multi-stage lifting speed control method for the power windows of the automobile according to claim 6, wherein the step S1 specifically comprises the following steps:

s11, setting the lifting direction and the expected lifting speed of the corresponding car window based on the car window lifting control module, and sending the lifting direction and the expected lifting speed to the motor controller;

s12, the motor controller determines the rotating speed of the motor based on the expected lifting speed and forwards the rotating speed to the corresponding window motor;

and acquiring a corresponding speed increment based on the position of the ruler strip where the ball is located currently, and acquiring a desired lifting speed of the corresponding car window in the corresponding lifting direction based on the speed increment.

8. The multistage control method for the ascending and descending speed of the power window of an automobile according to claim 7, wherein when the rainfall detected by the rainfall sensor is greater than the rainfall threshold, after step S11, the method further comprises:

s13, detecting whether the expected lifting speed of the vehicle window is reasonable or not by the BCM, if so, executing a step S12, otherwise, correcting the expected lifting speed of the vehicle window, and executing a step S12;

if the desired lifting speed in the lifting direction is greater than or equal to the allowed minimum window lifting speed, or if the desired lifting speed in the lowering direction is less than or equal to the allowed maximum window lifting speed, the desired lifting speed of the window is considered reasonable.

9. The multistage window power control method of claim 8, wherein the desired window raising/lowering speed is corrected by:

if the expected lifting speed in the lifting direction is less than the allowed minimum window lifting speed, replacing the expected lifting speed output by the window lifting control module with the allowed minimum window lifting speed;

and if the expected lifting speed in the descending direction is greater than the allowed maximum window lifting speed, replacing the expected lifting speed output by the window lifting control module with the allowed maximum window lifting speed.

Technical Field

The invention relates to the technical field of automobile electric windows, and provides a multistage lifting speed control system and method for an automobile electric window.

Background

Along with the continuous intelligent upgrading of automotive electronics industry technique, people correspond the intellectuality of automotive electronics product and humanized requirement is higher and higher, specifically to in the aspect of door window operating system control mode, also by the first hand formula control door window lift, develop the power window lift, and then upgrade to intelligent power window and prevent pressing from both sides the window lift, it is increasingly more convenient and intelligent. The existing car window is lifted or lowered based on a set speed, the lifting speed of the existing car window cannot be adjusted, and the personalized requirements of customers on the lifting speed of the car window cannot be met.

Disclosure of Invention

The invention provides a multistage lifting speed control method for an automobile power window, which is used for setting the lifting speed of the window according to the operation intention of a user so as to realize the personalized use of the window.

The invention is realized in this way, a multistage lifting speed control system of car power window, the said system includes:

the system comprises vehicle-mounted multimedia, a vehicle body controller BCM and a motor controller;

the vehicle-mounted multimedia is communicated with a BCM (body controller) through a CAN (controller area network) line, the BCM is communicated with a motor controller through the CAN line, and the motor controller is communicated and connected with motors of four electric vehicle windows;

and the vehicle-mounted multimedia is provided with a vehicle window lifting control module for controlling the lifting direction and the lifting speed of four vehicle windows.

Further, the window lift control module includes: the device comprises a left front window lifting control unit, a left rear window lifting control unit, a right front window lifting control unit and a right rear window lifting control unit; wherein, left front window lift control unit includes: left front window lifting direction selects subunit and left front window lifting speed to set up the subunit, and left rear window lift control unit includes: left back door window lifting direction selects subunit and left back door window lifting speed to set up the subunit, and right front window lift control unit includes: the lift direction of right front window selects subunit and right front window lifting speed to set up the subunit, and right rear window lift control unit includes: the right rear window lifting direction selecting subunit and the right rear window lifting speed setting subunit.

Further, the window lift control module further includes:

window lift synchronous control unit, window lift synchronous control unit includes: the car window lifting direction synchronous selection subunit and the car window lifting speed synchronous setting subunit.

Further, rolling bars are arranged on the left front window lifting speed setting subunit, the left rear window lifting speed setting subunit, the right front window lifting speed setting subunit, the right rear window lifting speed setting subunit and the window lifting speed synchronous setting subunit, and each rolling bar comprises a ruler bar and a ball;

the ruler strip is defined with calibration points and speed increments corresponding to the calibration points, the calibration point with the speed increment being zero is a base point, when the ball is located at the base point, the motor runs at a reference speed, the positive direction and the negative direction of the speed increment are defined based on the base point, and the farther the ball is from the base point, the larger the absolute value of the speed increment is.

Further, the system further comprises:

and the rainfall sensor is arranged at the top of the automobile and is in communication connection with the BCM controlled by the automobile body.

The invention is realized in this way, a multistage lifting speed control method of automobile electric window, the method specifically includes the following steps:

s1, the BCM receives the window lifting direction and the expected lifting speed sent by the window lifting control module and forwards the window lifting direction and the expected lifting speed to the motor controller;

and S2, controlling the corresponding power window to move at the expected lifting speed by the motor controller.

Further, step S1 specifically includes the following steps:

s11, setting the lifting direction and the expected lifting speed of the corresponding car window based on the car window lifting control module, and sending the lifting direction and the expected lifting speed to the motor controller;

s12, the motor controller determines the rotating speed of the motor based on the expected lifting speed and forwards the rotating speed to the corresponding window motor;

and acquiring a corresponding speed increment based on the position of the ruler strip where the ball is located currently, and acquiring a desired lifting speed of the corresponding car window in the corresponding lifting direction based on the speed increment.

Further, when the rainfall detected by the rainfall sensor is greater than the rainfall threshold, after step S11, the method further includes:

s13, detecting whether the expected lifting speed of the vehicle window is reasonable or not by the BCM, if so, executing a step S12, otherwise, correcting the expected lifting speed of the vehicle window, and executing a step S12;

if the desired lifting speed in the lifting direction is greater than or equal to the allowed minimum window lifting speed, or if the desired lifting speed in the lowering direction is less than or equal to the allowed maximum window lifting speed, the desired lifting speed of the window is considered reasonable.

Further, the method for correcting the expected lifting speed of the window comprises the following steps:

if the expected lifting speed in the lifting direction is less than the allowed minimum window lifting speed, replacing the expected lifting speed output by the window lifting control module with the allowed minimum window lifting speed;

and if the expected lifting speed in the descending direction is greater than the allowed maximum window lifting speed, replacing the expected lifting speed output by the window lifting control module with the allowed maximum window lifting speed.

The multistage lifting speed control method for the electric vehicle window of the automobile has the following beneficial technical effects: the lifting speed of a single vehicle window and the lifting speed of all four vehicle windows are set rapidly and individually by using the vehicle-mounted multimedia human-computer interface, the problem that the lifting speed of the traditional vehicle window is uneven or cannot be adjusted is solved, the interactive experience between a user and a vehicle is enhanced, the intellectualization of the vehicle and the use experience of the user are improved, and the novel requirements of passengers on the vehicle window lifting control system in the intelligent era are met.

Drawings

Fig. 1 is a schematic structural diagram of a multistage lifting speed control system for an automotive power window according to an embodiment of the present invention;

FIG. 2 is a diagram of a display interface of a window lift selection unit for a vehicle according to an embodiment of the present invention;

fig. 3 is a flowchart of a method for controlling a multistage lifting speed of an automotive power window according to an embodiment of the present invention.

Detailed Description

The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a multistage ascending and descending speed control system for an automotive power window according to an embodiment of the present invention, and for convenience of description, only parts related to the embodiment of the present invention are shown.

The system comprises:

the system comprises vehicle-mounted multimedia, a vehicle body controller BCM and a motor controller;

the vehicle-mounted multimedia is communicated with a BCM (body controller) through a CAN (controller area network) line, the BCM is communicated with a motor controller through the CAN line, and the motor controller is communicated and connected with motors of four electric vehicle windows;

and the vehicle-mounted multimedia is provided with a vehicle window lifting control module for controlling the lifting direction and the lifting speed of four vehicle windows.

In an embodiment of the present invention, a window lift control module includes: a left front window lifting control unit, a left rear window lifting control unit, a right front window lifting control unit, a right rear window lifting control unit,

wherein, left front window lift control unit includes: left front window lifting direction selects subunit and left front window lifting speed to set up the subunit, and left rear window lift control unit includes: left back door window lifting direction selects subunit and left back door window lifting speed to set up the subunit, and right front window lift control unit includes: the lift direction of right front window selects subunit and right front window lifting speed to set up the subunit, and right rear window lift control unit includes: the right rear window lifting direction selecting subunit and the right rear window lifting speed setting subunit are connected with the left rear window lifting direction selecting subunit and the right rear window lifting speed setting subunit;

the lifting of four windows is independently controlled, and the left front window is controlled: the lifting direction of the left front window is selected through the left front window lifting direction selecting subunit, and the lifting speed of the left front window is set through the left front window lifting speed setting subunit; control of the left rear window: the lifting direction of the left rear window is selected through the left rear window lifting direction selecting subunit, and the lifting speed of the left rear window is set through the left rear window lifting speed setting subunit; control of the right front window: the lifting direction of the right front window is selected through the right front window lifting direction selecting subunit, and the lifting speed of the right front window is set through the right front window lifting speed setting subunit; control of the right rear window: the lifting direction of the right rear window is selected through the right rear window lifting direction selecting subunit, and the lifting speed of the right rear window is set through the right rear window lifting speed setting subunit;

in an embodiment of the present invention, the window regulator module further includes:

vehicle window lifting synchronous control unit includes: the car window lifting direction synchronous selection subunit and the car window lifting speed synchronous setting subunit are connected with the car window lifting direction synchronous selection subunit;

the lifting speed in the invention refers to the lifting speed of the car window when the car window motor runs stably, and does not include the starting stage of the car window motor and the lifting speed of the four car windows

In the embodiment of the invention, the left front window lifting speed setting subunit, the left rear window lifting speed setting subunit, the right front window lifting speed setting subunit, the right rear window lifting speed setting subunit and the window lifting speed synchronous setting subunit are all provided with rolling bars, and each rolling bar comprises a ruler bar and a ball;

the ruler strip is defined with calibration points and speed increments corresponding to the calibration points, the calibration point with the speed increment being zero is a base point, when the ball is located at the position of the base point, the motor runs at a reference speed, the direction of the speed increment is defined based on the base point (for example, the speed increment is positive above or on the right side of the base point, and the speed increment is negative below or on the left side of the base point), and the farther the ball is away from the base point, the larger the absolute value of the speed increment is;

assuming that the reference speed of the window is 150mm/s, the right front window is selected to ascend and descend in the direction of rising, the speed increment is + 30%, the left front window is selected to descend in the direction of rising and descending, and the speed increment is-20%, the ascending speed of the right front window is 195mm/s, and the descending speed of the left front window is 120mm/s, as shown in fig. 2;

in the embodiment of the invention, the scroll bar can be virtual or solid, the virtual scroll bar is the scroll bar displayed on the vehicle-mounted multimedia display screen, the lifting speed of each vehicle window can be adjusted by triggering the ball bearings on the display screen, the solid scroll bar is the solid scroll bar arranged on the vehicle-mounted multimedia, and the lifting speed of each vehicle window can be adjusted by moving the ball bearings.

In another embodiment of the invention, the system further comprises a rainfall sensor arranged on the top of the automobile, and the rainfall sensor is in communication connection with the body control BCM.

Fig. 3 is a flowchart of a method for controlling a multistage lifting speed of an automotive power window, which includes the following steps:

s1, the BCM receives the window lifting direction and the expected lifting speed sent by the window lifting control module and forwards the window lifting direction and the expected lifting speed to the motor controller;

in the embodiment of the present invention, step S1 specifically includes the following steps:

s11, setting the lifting direction and the expected lifting speed of the corresponding car window based on the car window lifting control module, and sending the lifting direction and the expected lifting speed to the motor controller, wherein the lifting direction of the car window is ascending or descending;

determining a corresponding speed increment based on the position of the ruler strip where the ball is located currently, and acquiring an expected lifting speed of a corresponding car window in a corresponding lifting direction based on the speed increment;

and S12, the motor controller determines the rotating speed of the motor based on the expected lifting speed and forwards the rotating speed to the corresponding window motor.

In the embodiment of the present invention, when the rainfall detected by the rainfall sensor is greater than the rainfall threshold, after step S11, the method further includes:

s13, detecting whether the expected lifting speed of the vehicle window is reasonable or not by the BCM, if so, executing a step S12, otherwise, correcting the expected lifting speed of the vehicle window, and executing a step S12;

if the expected lifting speed in the lifting direction is greater than or equal to the allowed minimum window lifting speed, or the expected lifting speed in the descending direction is less than or equal to the allowed maximum window lifting speed, the expected lifting speed of the window is determined to be reasonable;

in the embodiment of the present invention, the method for correcting the expected lifting speed of the vehicle window is as follows:

if the expected lifting speed in the lifting direction is less than the allowed minimum window lifting speed, replacing the expected lifting speed output by the window lifting control module with the allowed minimum window lifting speed;

and if the expected lifting speed in the descending direction is greater than the allowed maximum window lifting speed, replacing the expected lifting speed output by the window lifting control module with the allowed maximum window lifting speed.

And S2, controlling the motor controller BCM to operate at a desired lifting speed corresponding to the power window.

The multistage lifting speed control method for the electric vehicle window of the automobile has the following beneficial technical effects: the lifting speed of a single vehicle window and the lifting speed of all four vehicle windows are set rapidly and individually by using the vehicle-mounted multimedia human-computer interface, the problem that the lifting speed of the traditional vehicle window is uneven or cannot be adjusted is solved, the interactive experience between a user and a vehicle is enhanced, the intellectualization of the vehicle and the use experience of the user are improved, and the novel requirements of passengers on the vehicle window lifting control system in the intelligent era are met.

It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.