CN114132415A - Vehicle steering lamp control method - Google Patents
Vehicle steering lamp control method Download PDFInfo
- Publication number
- CN114132415A CN114132415A CN202111459080.3A CN202111459080A CN114132415A CN 114132415 A CN114132415 A CN 114132415A CN 202111459080 A CN202111459080 A CN 202111459080A CN 114132415 A CN114132415 A CN 114132415A
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- Prior art keywords
- microcontroller
- steering lamp
- vehicle
- angle
- steering
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
- B62J6/05—Direction indicators
- B62J6/055—Electrical means, e.g. lamps
- B62J6/056—Electrical means, e.g. lamps characterised by control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
- B62J45/415—Inclination sensors
- B62J45/4151—Inclination sensors for sensing lateral inclination of the cycle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
- B62J6/16—Arrangement of switches
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a control method of a vehicle steering lamp, which comprises the following steps: the method comprises the steps that a first microcontroller reads data of a first geomagnetic sensor, a first accelerometer and a first gyroscope; solving a first course angle and a first vehicle body inclination angle through an IMU fusion algorithm; judging whether a second microcontroller receives a steering lamp button control signal or not, if so, controlling a corresponding steering lamp to warn, otherwise, judging whether the vehicle body inclines or not according to the first vehicle body inclination angle, if the first vehicle body inclination angle is larger than a set left inclination angle threshold value, controlling a left steering lamp to warn, and if the first vehicle body inclination angle is larger than a set right inclination angle threshold value, controlling a right steering lamp to warn; the scheme is suitable for vehicles such as two-wheeled vehicles and three-wheeled vehicles which are steered through the handlebar.
Description
Technical Field
The invention relates to the field of vehicle steering lamp control, in particular to a steering lamp control method suitable for vehicles such as two-wheeled vehicles and tricycles.
Background
The steering lamp of the existing two-wheeled vehicle and tricycle is generally controlled by a steering lamp control button. However, in some cases, when the driver performs steering operation without operating the steering lamp, the rear vehicle may not be in time because the driver does not receive the indication of the steering lamp, and the risk of rear-end collision traffic accidents is greatly increased.
Disclosure of Invention
Therefore, it is necessary to provide a method for controlling a turn signal of a vehicle suitable for steering a two-wheeled vehicle, a three-wheeled vehicle, or the like through a handlebar.
To achieve the above object, the inventors provide a vehicle turn signal control method including: the device comprises a handlebar, a frame, a first microcontroller, a second microcontroller, a first geomagnetic sensor, a first accelerometer and a first gyroscope; the vehicle comprises a frame, a handlebar, a left steering lamp and a right steering lamp, wherein the handlebar is connected with the frame and used for controlling the steering of a vehicle, a steering lamp button is arranged on the handlebar, the handlebar and the tail of the vehicle are respectively provided with the left steering lamp and the right steering lamp, the first microcontroller, the first gyroscope, the first geomagnetic sensor and the first accelerometer are respectively arranged on the frame, and the second microcontroller is arranged on the handlebar; the first microcontroller is connected with the second microcontroller, the first microcontroller is respectively connected with the first geomagnetic sensor, the first accelerometer, the first gyroscope, the left steering lamp and the right steering lamp, and the second microcontroller is respectively connected with the steering lamp button, the left steering lamp and the right steering lamp;
further comprising the steps of: the method comprises the steps that a first microcontroller reads data of a first geomagnetic sensor, a first accelerometer and a first gyroscope; solving a first course angle and a first vehicle body inclination angle through an IMU fusion algorithm; and judging whether the second microcontroller receives a steering lamp button control signal or not, if so, controlling a corresponding steering lamp to warn, if not, judging whether the vehicle body inclines or not according to the first vehicle body inclination angle, if the first vehicle body inclination angle is greater than a set left inclination angle threshold value, controlling a left steering lamp to warn, and if the first vehicle body inclination angle is greater than a set right inclination angle threshold value, controlling a right steering lamp to warn.
As a preferred mode of the present invention, the present invention further comprises a second geomagnetic sensor, a second accelerometer, and a second gyroscope, wherein the second geomagnetic sensor, the second accelerometer, and the second gyroscope are respectively disposed on the handlebar and are respectively connected to the second microcontroller;
further comprising the steps of: the second microcontroller reads data of the second geomagnetic sensor, the second accelerometer and the second gyroscope, and a second course angle and a second body inclination angle are calculated through an IMU fusion algorithm; and obtaining the steering angle of the handle by calculating the angle difference between the second course angle and the first course angle, controlling a left steering lamp to warn if the steering angle of the handle is greater than a set left steering angle threshold, and controlling a right steering lamp to warn if the steering angle of the handle is greater than a set right steering angle threshold.
As a preferred aspect of the present invention, if the steering angle of the handlebar is not greater than the set left steering angle threshold value and not greater than the set right steering angle threshold value, it is determined whether the vehicle body is tilted, and if both the first vehicle body inclination angle and the second vehicle body inclination angle are greater than the set tilt angle threshold value, the left steering lamp and the right steering lamp are controlled to simultaneously warn, and if not, the steering indication is turned off.
In a preferred embodiment of the present invention, the set left and right rotation angle thresholds are adjusted according to the installation position of the second microcontroller.
In a preferred embodiment of the present invention, the first microcontroller and the second microcontroller communicate via a wireless or wire-harness connection.
As a preferable mode of the invention, the vehicle-mounted intelligent control system further comprises a motor driving module, wherein the motor driving module is connected with the first microcontroller, and is used for driving the vehicle to walk.
In a preferred embodiment of the present invention, the set left and right tilt angle thresholds are adjusted according to the installation position of the first microcontroller.
As a preferred mode of the present invention, the first microcontroller controls a left turn light and a right turn light provided at a rear of a vehicle, and the second microcontroller controls a left turn light and a right turn light provided on a handle bar.
Different from the prior art, the technical scheme has the following beneficial effects: the control method can intelligently control the steering lamp, thereby greatly reducing the probability of rear-end accidents possibly occurring when a rider does not operate the steering indicator lamp; meanwhile, the control method has no additional steering detection structure, and is beneficial to reducing the cost and the difficulty of vehicle assembly.
Drawings
FIG. 1 is a diagram of a control system for a first microcontroller and a second microcontroller according to an embodiment;
FIG. 2 is a view of the installation structure of the electric bicycle according to the embodiment;
FIG. 3 is a view of the structure of the electric scooter according to the embodiment;
FIG. 4 is a first flowchart of a method for controlling a turn signal of a vehicle according to an embodiment;
fig. 5 is a flowchart of a second method for controlling a turn signal lamp of a vehicle according to an embodiment.
Description of reference numerals:
101. a first microcontroller; 102. a first geomagnetic sensor; 103. a first accelerometer; 104. a first gyroscope; 105. a motor drive module; 106. a rear turn signal light; 201. a second microcontroller; 202. a second geomagnetic sensor; 203. a second accelerometer; 204. a second gyroscope; 205. a turn light button; 206. a front turn signal light; 301. a handlebar; 302. a vehicle frame.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
As shown in fig. 1, the present embodiment provides a vehicle turn signal lamp control method, including: the geomagnetic sensor comprises a handlebar, a frame, a first microcontroller 101, a second microcontroller 201, a first geomagnetic sensor 102, a first accelerometer 103 and a first gyroscope 104; the handlebar 301 is connected with the frame 302, the handlebar is used for controlling the steering of the vehicle, a steering lamp button is arranged on the handlebar, a left steering lamp and a right steering lamp are respectively arranged on the handlebar and the tail of the vehicle, the first microcontroller, the first gyroscope, the first geomagnetic sensor and the first accelerometer are respectively arranged on the frame, the direction is fixed and consistent with the frame, and the second microcontroller is arranged on the handlebar; the first microcontroller is connected with the second microcontroller, the first microcontroller is connected with first geomagnetic sensor, first accelerometer, first gyroscope, left turn signal lamp and right turn signal lamp respectively, the second microcontroller is connected with turn signal lamp button 205, left turn signal lamp and right turn signal lamp respectively.
In the above embodiment, the first microcontroller 101 and the second microcontroller 201 communicate via a wireless or wire harness connection; as shown in the figure, the vehicle further comprises a motor driving module 105, the motor driving module is connected with the first microcontroller, and the motor driving module is used for driving the vehicle to run. The first microcontroller controls rear turn lights 106, i.e., rear left and right turn lights, provided at the rear of the vehicle, and the second microcontroller controls front turn lights 206, i.e., front left and right turn lights, provided on the handlebars.
As shown in fig. 2 and 3, in the present embodiment, there are provided an electric bicycle and an electric scooter, respectively, wherein a first microcontroller is provided on a frame 302 in the drawing, and a second microcontroller is provided on a handlebar 301 in the drawing.
As shown in fig. 1 and 4, in the present embodiment, the vehicle turn light control method includes the steps of: the method comprises the steps that a first microcontroller reads data of a first geomagnetic sensor, a first accelerometer and a first gyroscope; solving a first course angle and a first vehicle body inclination angle through an IMU fusion algorithm; judging whether the second microcontroller receives a steering lamp button control signal or not, if so, controlling a corresponding steering lamp to warn, if the left steering lamp is controlled by the pressed steering lamp button, the left steering lamp flickers, and if the right steering lamp is controlled by the pressed steering lamp button, the right steering lamp flickers; if the first vehicle body inclination angle is larger than the set right inclination angle threshold value, the left turn is marked, and the right turn is controlled to flicker and warn.
In the above embodiment, the IMU fusion algorithm is as follows: kalman filtering and complementary filtering; the set left and right tilt angle thresholds may be 15 °, or may be adjusted according to actual needs, or may be adjusted according to the installation position of the first microcontroller.
As shown in fig. 1 and 5, in some embodiments, the vehicle turn light control method further includes a second geomagnetic sensor 202, a second accelerometer 203, and a second gyroscope 204, where the second geomagnetic sensor, the second accelerometer, and the second gyroscope are respectively disposed on the handlebar, rotate with the steering handlebar, and are respectively connected to the second microcontroller 201; in this embodiment, the vehicle turn light control method further includes the steps of: the second microcontroller 201 reads the data 204 of the second geomagnetic sensor 202, the second accelerometer 203 and the second gyroscope, and a second course angle and a second body inclination angle are calculated through an IMU fusion algorithm; and obtaining the steering angle of the handle by calculating the angle difference between the second course angle and the first course angle, marking left turn if the steering angle of the handle is greater than a set left turn angle threshold value, controlling a left turn lamp to flash and warn, and marking right turn if the steering angle of the handle is greater than a set right turn angle threshold value, and controlling a right turn lamp to flash and warn.
In the above embodiment, the IMU fusion algorithm is as follows: kalman filtering and complementary filtering; the left and right turn angle thresholds may be set to 15 degrees; of course, in different embodiments, the threshold may be adjusted according to actual needs; and can be adjusted according to the installation position of the second microcontroller.
As shown in fig. 5, in various embodiments, the method for controlling a turn signal of a vehicle further includes: and if the steering angle of the handle is not greater than the set left steering angle threshold value and the set right steering angle threshold value, judging whether the vehicle body topples, if the first vehicle body inclination angle and the second vehicle body inclination angle are both greater than the set toppling angle threshold value, controlling a left steering lamp and a right steering lamp to simultaneously warn, and if not, turning off the steering prompt.
In the above embodiment, the flip angle threshold value can be set to 45 degrees, but in different embodiments, the threshold value can be adjusted according to actual needs.
In the above-described embodiment, the models of the first geomagnetic sensor and the second geomagnetic sensor may be: IST8312, QMC 6308; the first accelerometer and the second accelerometer model may be: LIS2DH12 TR; the first and second gyroscopes may be of the type: ICM-26000;
it should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (8)
1. A vehicle turn light control method, comprising: the device comprises a handlebar, a frame, a first microcontroller, a second microcontroller, a first geomagnetic sensor, a first accelerometer and a first gyroscope;
the vehicle comprises a frame, a handlebar, a left steering lamp and a right steering lamp, wherein the handlebar is connected with the frame and used for controlling the steering of a vehicle, a steering lamp button is arranged on the handlebar, the handlebar and the tail of the vehicle are respectively provided with the left steering lamp and the right steering lamp, the first microcontroller, the first gyroscope, the first geomagnetic sensor and the first accelerometer are respectively arranged on the frame, and the second microcontroller is arranged on the handlebar;
the first microcontroller is connected with the second microcontroller, the first microcontroller is respectively connected with the first geomagnetic sensor, the first accelerometer, the first gyroscope, the left steering lamp and the right steering lamp, and the second microcontroller is respectively connected with the steering lamp button, the left steering lamp and the right steering lamp;
further comprising the steps of:
the method comprises the steps that a first microcontroller reads data of a first geomagnetic sensor, a first accelerometer and a first gyroscope;
solving a first course angle and a first vehicle body inclination angle through an IMU fusion algorithm;
and judging whether the second microcontroller receives a steering lamp button control signal or not, if so, controlling a corresponding steering lamp to warn, if not, judging whether the vehicle body inclines or not according to the first vehicle body inclination angle, if the first vehicle body inclination angle is greater than a set left inclination angle threshold value, controlling a left steering lamp to warn, and if the first vehicle body inclination angle is greater than a set right inclination angle threshold value, controlling a right steering lamp to warn.
2. The vehicle turn light control method according to claim 1, characterized in that: the second geomagnetic sensor, the second accelerometer and the second gyroscope are respectively arranged on the handlebar and are respectively connected with the second microcontroller;
further comprising the steps of:
the second microcontroller reads data of the second geomagnetic sensor, the second accelerometer and the second gyroscope, and a second course angle and a second body inclination angle are calculated through an IMU fusion algorithm;
and obtaining the steering angle of the handle by calculating the angle difference between the second course angle and the first course angle, controlling a left steering lamp to warn if the steering angle of the handle is greater than a set left steering angle threshold, and controlling a right steering lamp to warn if the steering angle of the handle is greater than a set right steering angle threshold.
3. The vehicle turn light control method according to claim 2, characterized in that: and if the steering angle of the handle is not greater than the set left steering angle threshold value and the set right steering angle threshold value, judging whether the vehicle body topples, if the first vehicle body inclination angle and the second vehicle body inclination angle are both greater than the set toppling angle threshold value, controlling a left steering lamp and a right steering lamp to simultaneously warn, and if not, turning off the steering prompt.
4. The vehicle turn light control method according to claim 2, characterized in that: and the set left turning angle threshold and the set right turning angle threshold are adjusted according to the installation position of the second microcontroller.
5. The vehicle turn light control method according to claim 1, characterized in that: the first microcontroller and the second microcontroller are connected and communicated through a wireless or wire harness.
6. The vehicle turn light control method according to claim 1, characterized in that: the vehicle-mounted intelligent control system is characterized by further comprising a motor driving module, wherein the motor driving module is connected with the first microcontroller and is used for driving the vehicle to run.
7. The vehicle turn light control method according to claim 1, characterized in that: the set left and right tilt angle thresholds are adjusted according to the installation location of the first microcontroller.
8. The vehicle turn light control method according to claim 1, characterized in that: the first microcontroller controls a left steering lamp and a right steering lamp which are arranged at the tail of the vehicle, and the second microcontroller controls the left steering lamp and the right steering lamp which are arranged on the handlebar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459080.3A CN114132415B (en) | 2021-12-02 | 2021-12-02 | Control method for vehicle steering lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459080.3A CN114132415B (en) | 2021-12-02 | 2021-12-02 | Control method for vehicle steering lamp |
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| CN114132415A true CN114132415A (en) | 2022-03-04 |
| CN114132415B CN114132415B (en) | 2023-06-02 |
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