CN-122014087-A - Intelligent lifting control system and method for vehicle windshield

CN122014087ACN 122014087 ACN122014087 ACN 122014087ACN-122014087-A

Abstract

The application provides an intelligent lifting control system and method for a vehicle windshield, which relate to the technical field of vehicles and comprise a driving module, a lifting control module and a lifting control module, wherein the driving module is used for driving a windshield assembly to lift; the control module is configured to acquire the real-time running speed and the current height, query a mapping relation table to obtain a target height corresponding to the real-time running speed, prohibit sending an automatic lifting instruction to the driving module according to the target height when the absolute value of the speed change rate is greater than or equal to a preset threshold value, send the automatic lifting instruction to the driving module according to the difference value of the current height and the target height when the absolute value of the speed change rate is less than the preset threshold value, and realize closed-loop adjustment through real-time feedback of the height detection module. By implementing the technical scheme of the application, the effect of improving the intelligent level is achieved.

Inventors

CHEN ZHAO
CHEN JING
LI JIANGHONG
ZHANG DEXIANG
WEI HUA
LI JIE

Assignees

浙江乐骑机车有限公司

Dates

Publication Date: 20260512
Application Date: 20260317

Claims (10)

1. An intelligent lift control system for a vehicle windshield, comprising: The windshield assembly is arranged on the vehicle head through a liftable mounting mechanism; the driving module is in transmission connection with the windshield assembly and is used for driving the windshield assembly to lift; the vehicle speed detection module is used for detecting the real-time running speed of the vehicle; the height detection module is connected with the windshield assembly and used for detecting the current height of the windshield assembly in real time; The storage module is used for pre-storing a mapping relation table between an effective vehicle speed interval and the height of the windshield assembly; The control module is respectively and electrically connected with the driving module, the vehicle speed detection module, the height detection module and the storage module; the control module is configured to: acquiring the real-time running speed and the current height, and inquiring the mapping relation table to obtain a target height corresponding to the real-time running speed; calculating the speed change rate of the vehicle in a continuous preset time before the current moment based on the real-time running speed; when the absolute value of the vehicle speed change rate is greater than or equal to a preset threshold value, prohibiting sending an automatic lifting instruction to the driving module according to the target height; And when the absolute value of the vehicle speed change rate is smaller than the preset threshold value, sending an automatic lifting instruction to the driving module according to the difference value between the current height and the target height, and realizing closed-loop adjustment through real-time feedback of the height detection module.
2. The system of claim 1, further comprising a manual mode switch electrically connected to the control module; the control module is further configured to: and when an activation signal from the manual mode switch is received, prohibiting the operation of sending an automatic lifting instruction to the driving module based on the real-time running speed, the speed change rate and the mapping relation table, and controlling the driving module to drive the windshield assembly to lift in response to an externally input manual control instruction.
3. The system of claim 2, wherein the storage module is further configured to store manual intervention statistics, and wherein the control module is further configured to perform mapping relationship adaptive correction logic, specifically comprising: Recording the frequency of manual adjustment operation and the final stay height after each operation for each vehicle speed interval in a preset statistical period; When the accumulated manual adjustment operation frequency in a target vehicle speed interval exceeds a preset frequency threshold, calculating an average value of the final stay heights recorded in the target vehicle speed interval to obtain an average height value, and determining the average height value as a preference height of the target vehicle speed interval, wherein the target vehicle speed interval is any vehicle speed interval in the mapping relation table; and updating the target height corresponding to the target vehicle speed interval in the mapping relation table by using the preference height.
4. The system of claim 1, wherein the liftable mounting mechanism comprises a guide rail provided on the vehicle head, a slider fixedly connected to the windshield assembly, and a transmission mechanism connecting the slider and the drive module; the driving module is a stepping motor, and the transmission mechanism is a worm and gear mechanism or a gear and rack mechanism.
5. The system of claim 1, wherein the closed loop adjustment comprises: the height detection module acquires the current height of the windshield assembly in real time and feeds the current height back to the control module; the control module continuously compares the current height with the target height; And when the difference value between the current height and the target height is smaller than a preset error value, the control module stops sending the automatic lifting instruction to the driving module.
6. The system of claim 1, further comprising a gyroscope electrically coupled to the control module, the gyroscope configured to detect a real-time yaw rate parameter of the vehicle and send the real-time yaw rate parameter to the control module; The control module is further configured to modify the target height of the windshield assembly when the real-time yaw rate parameter meets a preset crosswind determination condition if the real-time travel vehicle speed is greater than or equal to a preset vehicle speed threshold.
7. The system of claim 6, wherein the map table includes correspondence between a plurality of height gears, and wherein when the real-time yaw-rate parameter satisfies a preset crosswind determination condition in a case where the real-time traveling vehicle speed is greater than or equal to a preset vehicle speed threshold, modifying the target height of the windshield assembly comprises: when the real-time running speed is greater than or equal to a preset speed threshold, and the state duration time of the real-time yaw rate being greater than or equal to a first yaw rate threshold and less than a second yaw rate threshold is greater than or equal to a preset duration time and the roll angle rate being less than a preset roll angle rate threshold, if the current target height obtained by inquiring the mapping relation table is not the lowest height gear, the control module controls the windshield assembly to reduce the first height, wherein the gyroscope is further used for detecting the real-time roll angle rate of the vehicle and sending the real-time roll angle rate to the control module; and when the state duration of the real-time yaw rate greater than or equal to the second yaw rate threshold is greater than or equal to the preset duration and the roll angle rate is less than the preset roll angle rate threshold under the condition that the real-time running speed is greater than or equal to a preset speed threshold, the control module controls the windshield assembly to be lowered to the lowest high gear.
8. The system according to claim 1, wherein the control module is provided with a built-in fault self-checking unit, and the fault self-checking unit is used for monitoring working states of the vehicle speed detection module, the height detection module and the driving module in real time; When the abnormal operation of the vehicle speed detection module or the height detection module is detected, the control module automatically triggers a protection mechanism, inhibits automatic adjustment logic, sends out a manual mode activation prompt, and switches to a manual mode after a manual mode switch is activated; When the abnormal operation of the driving module is detected, the control module automatically triggers a protection mechanism, inhibits the automatic adjustment logic and simultaneously inhibits the manual mode.
9. The system of claim 8, wherein the specific monitoring and anomaly determination means of the fault self-checking unit comprises at least one of: for the vehicle speed detection module, the fault self-checking unit monitors the vehicle speed signal output by the vehicle speed detection module in real time, and judges that the vehicle speed detection module works abnormally when the vehicle speed signal is not received in a continuous first duration or the received vehicle speed signal exceeds a preset reasonable vehicle speed range; For the height detection module, the fault self-checking unit monitors the height signal output by the height detection module in real time, and judges that the height detection module works abnormally when the height signal is not received in a continuous second time period or the received height signal exceeds the maximum travel range of the windshield assembly; and for the driving module, the fault self-checking unit monitors the working current of the driving module and executes feedback signals, and when the height change signals fed back by the height detection module are not received in a third time period after the automatic lifting instruction is sent to the driving module, or the working current of the driving module exceeds a preset current threshold value, the abnormal working of the driving module is judged.
10. A vehicle windshield intelligent lift control method, characterized by being applied to the vehicle windshield intelligent lift control system according to any one of claims 1 to 9, comprising: acquiring the real-time running speed of the vehicle and the current height of the windshield assembly; Inquiring to obtain a target height corresponding to the real-time running speed according to a pre-stored mapping relation table between an effective speed interval and the height of a windshield assembly; calculating the speed change rate of the vehicle in a continuous preset time before the current moment based on the real-time running speed; When the absolute value of the vehicle speed change rate is greater than or equal to a preset threshold value, prohibiting generation and sending of an automatic lifting instruction according to the target height; When the absolute value of the vehicle speed change rate is smaller than the preset threshold value, an automatic lifting instruction is generated according to the difference value between the current height and the target height and is sent to a driving module, and meanwhile closed-loop adjustment is carried out according to real-time height feedback of a windshield assembly.

Description

Intelligent lifting control system and method for vehicle windshield Technical Field The application relates to the technical field of vehicle control, in particular to an intelligent lifting control system and method for a vehicle windshield. Background Windshields of vehicles (such as motorcycles, electric vehicles, or other vehicles) are mainly used for providing windage protection for drivers and improving comfort and safety during high-speed driving. Taking a motorcycle as an example, the traditional motorcycle windshield is of a fixed height and cannot adapt to different riding conditions. For example, high windshields are required for good windage protection at high speeds, while at low speeds or in urban riding, too high windshields can block vision, affecting safety. At present, some motorcycles are equipped with windshields which are manually or electrically adjusted on the market, but a rider is usually required to manually operate according to experience, so that the operation burden during riding is increased, real-time and accurate adjustment cannot be realized when the speed of the vehicle is frequently changed, and the intelligent degree is low. Disclosure of Invention In order to solve the technical problems, the application provides an intelligent lifting control system and method for a vehicle windshield. The application provides an intelligent lifting control system for a vehicle windshield, which comprises a windshield component, a driving module, a vehicle speed detection module, a height detection module, a storage module, a control module, a driving module, a speed detection module and a closed loop regulation module, wherein the windshield component is arranged on a vehicle head through a lifting mounting mechanism, the driving module is in transmission connection with the windshield component and is used for driving the windshield component to lift, the vehicle speed detection module is used for detecting the real-time running speed of a vehicle, the height detection module is connected with the windshield component and is used for detecting the current height of the windshield component in real time, the storage module is pre-stored with a mapping relation table between an effective vehicle speed interval and the height of the windshield component, the control module is respectively and electrically connected with the driving module, the vehicle speed detection module, the height detection module and the storage module, the control module is configured to acquire the real-time running speed and the current height, the target height corresponding to the real-time running speed is obtained by inquiring the mapping relation table, the vehicle speed change rate in a continuous preset time before the current moment is calculated based on the real-time running speed, when the absolute value of the vehicle speed change rate is larger than or equal to a preset threshold, the absolute value of the real-time running speed change rate is forbidden to send an automatic lifting command to the driving module according to the target height, and when the absolute value of the speed change rate is smaller than the preset threshold is different from the preset. By adopting the technical scheme, the windshield assembly can be lifted and can adapt to different driving conditions, the vehicle speed detection module detects the real-time driving vehicle speed, the height detection module detects the current height of the windshield assembly, the target height corresponding to the real-time driving vehicle speed can be obtained by combining a pre-stored mapping relation table, the control module calculates the vehicle speed change rate, when the absolute value of the vehicle speed change rate is greater than or equal to a preset threshold value, the automatic lifting is forbidden, frequent adjustment is avoided, when the absolute value of the vehicle speed change rate is less than the preset threshold value, an automatic lifting instruction is sent according to the height difference between the current height and the target height, closed-loop adjustment is carried out, the real-time and accurate automatic lifting of the windshield assembly is realized, the driving comfort and safety are improved, the operation load of a driver is reduced, and the intelligent level effect of the windshield lifting control system is achieved. Optionally, the control module comprises a speed change rate judging unit, wherein the speed change rate judging unit is used for executing calculation of the speed change rate and comparison judgment of the absolute value of the speed change rate and a preset threshold value. By adopting the technical scheme, the speed change rate judging unit can accurately calculate the speed change rate, and compares and judges the absolute value of the speed change rate with the preset threshold value, so that the control system can determine whether to send an automatic lifting instruction to