阅读说明：本技术 磁动式车灯随动装置及其控制方法 (Magnetic-driven vehicle lamp follow-up device and control method thereof ) 是由 姚江云 吴方圆 王娟 覃溪 刘斌 于 2019-10-22 设计创作，主要内容包括：本发明旨在提供一种磁动式车灯随动装置,包括：灯泡、灯罩、弹性件、永磁体、电磁铁组、球形底座、支座、前轮转角传感器、车身垂直倾角传感器、处理器、电源；灯泡固定设于灯罩内,支座的右端下部的内壁边沿处设有球形底座,灯罩的下部的外侧壁下侧设有安装座,安装座上设有对应球形底座的圆头紧扣槽；支座的上部右端内侧壁的边沿上设有弹性件,弹性件的下端与灯罩的外侧壁上侧连接；灯罩底板的背部中心设有永磁体；支座的底板内底面上设有多组均匀排布的电磁铁,永磁体和电磁铁相对一侧的极性相反。该随动装置克服现有技术缺陷,具有结构合理、控制便捷、运行稳定的特点。本发明还提供一种磁动式车灯随动装置的控制方法。(The invention aims to provide a magnetic-driven vehicle lamp follow-up device, which comprises: the device comprises a bulb, a lampshade, an elastic part, a permanent magnet, an electromagnet group, a spherical base, a support, a front wheel steering angle sensor, a vehicle body vertical inclination angle sensor, a processor and a power supply; the bulb is fixedly arranged in the lampshade, a spherical base is arranged at the edge of the inner wall of the lower part of the right end of the support, an installation seat is arranged on the lower side of the outer side wall of the lower part of the lampshade, and round head fastening grooves corresponding to the spherical base are arranged on the installation seat; the edge of the inner side wall of the right end of the upper part of the support is provided with an elastic part, and the lower end of the elastic part is connected with the upper side of the outer side wall of the lampshade; the center of the back of the lampshade bottom plate is provided with a permanent magnet; the inner bottom surface of the bottom plate of the support is provided with a plurality of groups of electromagnets which are uniformly distributed, and the polarities of the opposite sides of the permanent magnet and the electromagnets are opposite. The servo device overcomes the defects of the prior art and has the characteristics of reasonable structure, convenient control and stable operation. The invention also provides a control method of the magnetic vehicle lamp follow-up device.)

1. A magnetic-driven vehicle lamp follow-up device is characterized by comprising: the device comprises a bulb (1), a lampshade (2), an elastic part (3), a permanent magnet (4), an electromagnet group, a spherical base (5), a support (6), a front wheel steering angle sensor, a vehicle body vertical inclination angle sensor, a processor and a power supply;

the bulb (1) is fixedly arranged in the lampshade (2), the support (6) is a cylinder with a closed bottom plate at the rear end and an opening at the front end, a spherical base (5) is arranged at the edge of the inner wall at the lower part of the right end of the support (6), an installation seat (8) is arranged on the lower side of the outer side wall at the lower part of the lampshade (2), a round-head fastening groove (9) corresponding to the spherical base (5) is arranged on the installation seat (8), the installation seat (8) is sleeved on the spherical base (5) through the round-head fastening groove (9), and the lampshade (2) can rotate by taking the spherical base (5) as a fulcrum; an elastic part (3) is arranged on the edge of the inner side wall of the right end of the upper part of the support (6), and the lower end of the elastic part (3) is connected with the upper side of the outer side wall of the lampshade (2); the center of the back of the bottom plate of the lampshade (2) is provided with a permanent magnet (4); a plurality of groups of electromagnets (7) which are uniformly distributed are arranged on the inner bottom surface of the bottom plate of the support (6), the polarities of the opposite sides of the permanent magnet (4) and the electromagnets (7) are opposite, the permanent magnet (4) is not in contact with the electromagnets (7), and the permanent magnet (4) is not in contact with the electromagnets (7) under the condition that the electromagnets (7) are switched on to generate magnetic force;

the front wheel steering angle sensor, the vehicle body vertical inclination angle sensor and the electromagnet group are all electrically connected with the processor, and the front wheel steering angle sensor is used for detecting steering angle signals of the front wheels of the automobile and sending the steering signals to the processor; the vehicle body vertical inclination angle sensor is used for detecting a vertical inclination angle signal of a vehicle body of the automobile and sending the vertical inclination angle signal to the processor; the processor is used for judging the electromagnet (7) corresponding to the current vehicle state according to the received steering signal and the vertical inclination angle signal, and sending a control signal to the corresponding electromagnet (7) to enable the electromagnet to generate magnetic force; each electromagnet (7) in the electromagnet group is used for being switched on to generate magnetic force after receiving a control signal of the processor, and the electromagnet group and the processor are both electrically connected with and powered by a power supply.

2. Magnetomotive vehicle light follower device according to claim 1, characterized in that:

the bottom surface in the bottom plate of support (6) be vertical face, permanent magnet (7) on the bottom surface in the bottom plate of support (6) become the even interval distribution of rectangle.

3. Magnetomotive vehicular lamp servo device according to claim 2, characterized in that:

thirty-five electromagnets (7) are uniformly arranged in a five-row and seven-column mode, are sequentially numbered from the left side to the top side and are divided into blocks from one to thirty-five, wherein eighteen blocks are opposite to the permanent magnet (4); the first block, the fifth block, the thirty-one block and the thirty-five block are respectively positioned at four corners, connecting lines between the first block, the fifth block, the thirty-one block and the thirty-five block and the permanent magnet (4) respectively form an angle of 43 degrees with a vertical plane of the inner bottom surface of the bottom plate where the eighteen block is positioned; the angle between the connecting line between the first block, the fifth block, the thirty-one block and the thirty-five block and the permanent magnet (4) and the horizontal plane where the eighteen block is positioned is 28 degrees.

4. Magnetomotive vehicle light follower device according to claim 3, characterized in that:

the processor comprises a controller U1 and decoders U2-U6, wherein the controller U1 comprises twenty-two pins, and the decoders U2-U6 have the same structure and respectively comprise four input pins and eight output pins;

the 1 st pin of the controller U1 is connected with the output end of the front wheel rotation angle sensor, the 2 nd pin is connected with the output end of the vehicle body vertical inclination angle sensor, the 3 rd, 4 th, 5 th and 6 th pins are respectively connected with the 1 st, 2 rd, 3 th and 4 th pins of the decoder U3, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U3 are respectively connected with one end of a block nine, a block ten, a block eleven, a block thirteen, a block fourteen, a block fifteen and a block sixteen, and the other end of the block nine, the block ten, the block eleven, the block twelve, the block thirteen, the block fourteen, the block fifteen and the block sixteen is connected with the;

pins 7, 8, 9 and 10 of the controller U1 are respectively connected with pins 1,2, 3 and 4 of the decoder U2, pins 5, 6, 7, 8, 9, 10, 11 and 12 of the decoder U2 are respectively connected with one ends of a block I, a block II, a block III, a block IV, a block V, a block VI, a block seven and a block eight, and the other ends of the block I, the block II, the block III, the block IV, the block V, the block six, the block seven and the block eight are connected with the positive pole of a power supply;

pins 11, 12, 13 and 14 of the controller U1 are respectively connected with pins 1,2, 3 and 4 of a decoder U4, pins 5, 6, 7, 8, 9, 10, 11 and 12 of the decoder U4 are respectively connected with one ends of a block seventeen, a block eighteen, a block nineteen, a block twenty-one, a block twenty-two, a block twenty-three and a block twenty-four, and the other ends of the block seventeen, the block eighteen, the block nineteen, the block twenty-one, the block twenty-two, the block twenty-three and the block twenty-four are connected with the positive electrode of a power supply;

pins 15, 16, 17 and 18 of the controller U1 are respectively connected with pins 1,2, 3 and 4 of a decoder U5, pins 5, 6, 7, 8, 9, 10, 11 and 12 of the decoder U5 are respectively connected with one ends of a block twenty-five, a block twenty-six, a block twenty-seven, a block twenty-eighteen, a block twenty-nine, a block thirty-one and a block thirty-twelve, and the other ends of the block twenty-five, the block twenty-six, the block twenty-seven, the block twenty-eight, the block twenty-nine, the block thirty-one and the block thirty-two are connected with a power supply anode;

pins 19, 20, 21 and 22 of the controller U1 are respectively connected with pins 1,2, 3 and 4 of the decoder U6, pins 5, 6 and 7 of the decoder U6 are respectively connected with one end of a block thirty-third, a block thirty-fourth and a block thirty-fifth, the other end of the block thirty-third, the block thirty-fourth and the block thirty-fifth is connected with the anode of a power supply, and pins 8, 9, 10, 11 and 12 of the decoder U6 are suspended.

5. Magnetomotive vehicle light follower device according to claim 1, characterized in that:

the electromagnet (7) is a suction disc type electromagnet with the model number of H1505.

6. Magnetomotive vehicle light follower device according to claim 1, characterized in that:

the front wheel steering angle sensor is a contactless angle sensor with the model number of WYT-AT-1.

7. Magnetomotive vehicle light follower device according to claim 1, characterized in that:

the vehicle body vertical inclination angle sensor is an inclination angle sensor with the model number of WQE 01D.

8. Magnetomotive vehicle light follower device according to claim 1, characterized in that:

the controller is in the model of AT89C51, and the decoder is in the model of HD74LS 138P.

9. A control method of a vehicular lamp using the magnetomotive vehicular lamp servo device according to claim 1, characterized by comprising the steps of:

A. in the running process of the automobile, a front wheel steering angle sensor detects a steering angle signal of a front wheel of the automobile, and an automobile body vertical inclination angle sensor detects a vertical inclination angle signal of an automobile body of the automobile;

B. the processor is preset with corresponding relations of a corner signal of a front wheel of the automobile, a vertical inclination angle signal of the automobile body and each electromagnet (7) in the electromagnet group, and the principle of the corresponding relations is that the corner signal of the front wheel of the automobile, the direction of the center line of the automobile body in a running state corresponding to the vertical inclination angle of the automobile body correspond to the direction of the connecting line of the electromagnet (7) and the permanent magnet (4) corresponding to the running state, and the electromagnet (7) corresponding to the corner signal of the front wheel of the automobile and the running state corresponding to the vertical inclination angle signal of the automobile body are obtained according to the current running state;

C. the processor sends a control signal to the corresponding electromagnet (7) to control the electromagnet (7) to be switched on and generate magnetic force, so that the permanent magnet is attracted to be close to the electromagnet (7) which is switched on at present, the permanent magnet (4) drives the lampshade to rotate, and the follow-up control of the lampshade is realized.

10. The control method of the vehicular lamp according to claim 9, characterized in that:

the corresponding relation between the corner signal of the front wheel of the automobile, the vertical inclination angle signal of the automobile body and each electromagnet (7) in the electromagnet group is shown in the table 1:

wherein: setting the range of the front wheel steering angle to be +/-50 degrees, and turning left to be positive and turning right to be negative; the vertical inclination angle range of the vehicle body is +/-35 degrees, the downward inclination is positive, and the upward inclination is negative.

Technical Field

The invention relates to the field of automobile lamp control devices, in particular to a magnetic-driven automobile lamp follow-up device and a control method thereof.

Background

In the prior automobile lighting device, in the practical use, the traditional headlamp system has a plurality of problems, and the irradiation direction of the headlamp is consistent with the automobile body because the shell of the lamp is fixed on the automobile body without a rotating function. When a vehicle turns, particularly when the vehicle turns on a dangerous mountain road at the road side or an urban road without street lamps at night, the vehicle lamp cannot usually irradiate the inner side of a curve because the lighting angle cannot be adjusted; particularly, in rainy and foggy weather, the road condition and lighting condition of the front curve are vague, and the driving safety of a driver at night is greatly threatened by the lamp which cannot rotate; and when the automobile goes up and down a slope, the lamp can not well irradiate the road surface, and a plurality of potential threats exist.

Disclosure of Invention

The invention aims to provide a magnetic-driven vehicle lamp follow-up device which overcomes the defects of the prior art and has the characteristics of reasonable structure, convenient control and stable operation.

The technical scheme of the invention is as follows:

a magnetically actuated vehicle lamp follower, comprising: the device comprises a bulb, a lampshade, an elastic part, a permanent magnet, an electromagnet group, a spherical base, a support, a front wheel steering angle sensor, a vehicle body vertical inclination angle sensor, a processor and a power supply;

the bulb is fixedly arranged in the lampshade, the support is a cylinder with a closed bottom plate at the rear end and an opening at the front end, a spherical base is arranged at the edge of the inner wall at the lower part of the right end of the support, an installation seat is arranged on the lower side of the outer side wall at the lower part of the lampshade, round head fastening grooves corresponding to the spherical base are arranged on the installation seat, the installation seat is sleeved on the spherical base through the round head fastening grooves, and the lampshade can rotate by taking the spherical base as a fulcrum; the edge of the inner side wall of the right end of the upper part of the support is provided with an elastic part, and the lower end of the elastic part is connected with the upper side of the outer side wall of the lampshade; the center of the back of the lampshade bottom plate is provided with a permanent magnet; a plurality of groups of electromagnets which are uniformly distributed are arranged on the bottom surface of the bottom plate of the support, the polarities of the opposite sides of the permanent magnet and the electromagnets are opposite, the permanent magnet is not in contact with the electromagnets, and the permanent magnet is not in contact with the electromagnets under the condition that the electromagnets are switched on to generate magnetic force;

the front wheel steering angle sensor, the vehicle body vertical inclination angle sensor and the electromagnet group are all electrically connected with the processor, and the front wheel steering angle sensor is used for detecting steering angle signals of the front wheels of the automobile and sending the steering signals to the processor; the vehicle body vertical inclination angle sensor is used for detecting a vertical inclination angle signal of a vehicle body of the automobile and sending the vertical inclination angle signal to the processor; the processor is used for judging the electromagnet corresponding to the current vehicle state according to the received steering signal and the vertical inclination angle signal, and sending a control signal to the corresponding electromagnet to enable the electromagnet to generate magnetic force; each electromagnet in the electromagnet group is used for being switched on to generate magnetic force after receiving a control signal of the processor, and the electromagnet group and the processor are both electrically connected with a power supply and powered by the power supply.

Preferably, the inner bottom surface of the bottom plate of the support is a vertical surface, and the permanent magnets on the inner bottom surface of the bottom plate of the support are uniformly distributed at intervals in a rectangular shape.

Preferably, thirty-five electromagnets are uniformly arranged in a five-row and seven-column mode, are sequentially numbered from the left side to the top down and are divided into blocks one to thirty-five, wherein eighteen blocks are opposite to the permanent magnets; the first block, the fifth block, the thirty-one block and the thirty-five block are respectively positioned on four corners, connecting lines between the first block, the fifth block, the thirty-one block and the thirty-five block and the permanent magnet respectively form an angle of 43 degrees with the vertical plane of the inner bottom surface of the bottom plate where the eighteen blocks are positioned; the angle between the connecting line between the permanent magnet and each of the first block, the fifth block, the thirty-one block and the thirty-five block and the horizontal plane in which the eighteen block is located is 28 degrees.

Preferably, the processor comprises a controller U1 and decoders U2-U6, the controller U1 comprises twenty-two pins, and the decoders U2-U6 have the same structure and respectively comprise four input pins and eight output pins;

the 1 st pin of the controller U1 is connected with the output end of the front wheel rotation angle sensor, the 2 nd pin is connected with the output end of the vehicle body vertical inclination angle sensor, the 3 rd, 4 th, 5 th and 6 th pins are respectively connected with the 1 st, 2 rd, 3 th and 4 th pins of the decoder U3, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U3 are respectively connected with one end of a block nine, a block ten, a block eleven, a block thirteen, a block fourteen, a block fifteen and a block sixteen, and the other end of the block nine, the block ten, the block eleven, the block twelve, the block thirteen, the block fourteen, the block fifteen and the block sixteen is connected with the;

pins 7, 8, 9 and 10 of the controller U1 are respectively connected with pins 1,2, 3 and 4 of the decoder U2, pins 5, 6, 7, 8, 9, 10, 11 and 12 of the decoder U2 are respectively connected with one ends of a block I, a block II, a block III, a block IV, a block V, a block VI, a block seven and a block eight, and the other ends of the block I, the block II, the block III, the block IV, the block V, the block six, the block seven and the block eight are connected with the positive pole of a power supply;

pins 11, 12, 13 and 14 of the controller U1 are respectively connected with pins 1,2, 3 and 4 of a decoder U4, pins 5, 6, 7, 8, 9, 10, 11 and 12 of the decoder U4 are respectively connected with one ends of a block seventeen, a block eighteen, a block nineteen, a block twenty-one, a block twenty-two, a block twenty-three and a block twenty-four, and the other ends of the block seventeen, the block eighteen, the block nineteen, the block twenty-one, the block twenty-two, the block twenty-three and the block twenty-four are connected with the positive electrode of a power supply;

pins 15, 16, 17 and 18 of the controller U1 are respectively connected with pins 1,2, 3 and 4 of a decoder U5, pins 5, 6, 7, 8, 9, 10, 11 and 12 of the decoder U5 are respectively connected with one ends of a block twenty-five, a block twenty-six, a block twenty-seven, a block twenty-eighteen, a block twenty-nine, a block thirty-one and a block thirty-twelve, and the other ends of the block twenty-five, the block twenty-six, the block twenty-seven, the block twenty-eight, the block twenty-nine, the block thirty-one and the block thirty-two are connected with a power supply anode;

pins 19, 20, 21 and 22 of the controller U1 are respectively connected with pins 1,2, 3 and 4 of the decoder U6, pins 5, 6 and 7 of the decoder U6 are respectively connected with one end of a block thirty-third, a block thirty-fourth and a block thirty-fifth, the other end of the block thirty-third, the block thirty-fourth and the block thirty-fifth is connected with the anode of a power supply, and pins 8, 9, 10, 11 and 12 of the decoder U6 are suspended.

Preferably, the electromagnet is a suction cup type electromagnet with the model number of H1505.

Preferably, the front wheel steering angle sensor is a contactless angle sensor with the model number WYT-AT-1.

Preferably, the vehicle body vertical inclination angle sensor is an inclination angle sensor with the model number WQE 01D.

Preferably, the controller is of the type AT89C51, and the decoder is of the type HD74LS 138P.

The invention also provides a control method of the vehicle lamp, which utilizes the magnetic vehicle lamp follow-up device and comprises the following steps:

A. in the running process of the automobile, a front wheel steering angle sensor detects a steering angle signal of a front wheel of the automobile, and an automobile body vertical inclination angle sensor detects a vertical inclination angle signal of an automobile body of the automobile;

B. the processor is preset with corresponding relations of a corner signal of a front wheel of the automobile, a vertical inclination angle signal of an automobile body and each electromagnet in the electromagnet group, and the principle of the corresponding relations is that the direction of a center line of the automobile body in a running state corresponding to the current corner signal of the front wheel of the automobile and the vertical inclination angle signal of the automobile body corresponds to the direction of a connecting line of the electromagnet and the permanent magnet corresponding to the running state, and the electromagnet corresponding to the current corner signal of the front wheel of the automobile and the running state corresponding to the vertical inclination angle signal of the automobile body are obtained according to the current running state;

C. the processor sends a control signal to the corresponding electromagnet to control the electromagnet to be switched on and generate magnetic force, so that the permanent magnet is attracted to be close to the currently switched-on electromagnet, the permanent magnet drives the lampshade to rotate, and the follow-up control of the lampshade is realized.

Preferably, the corresponding relationship between the corner signal of the front wheel of the automobile, the vertical inclination angle signal of the automobile body and each electromagnet in the electromagnet group is shown in table 1:

wherein: setting the range of the front wheel steering angle to be +/-50 degrees, and turning left to be positive and turning right to be negative; the vertical inclination angle range of the vehicle body is +/-35 degrees, the downward inclination is positive, and the upward inclination is negative.

The magnetic vehicle lamp follow-up device adopts the combination of the front wheel steering angle sensor and the vehicle body vertical inclination angle sensor to obtain the current running state of the vehicle, including two running states of turning and ascending and descending, and sets the electromagnet group to form the electromagnet array, divides the possible states in the running of the vehicle, so that each running state corresponds to one electromagnet, and simulates the corresponding relation between the direction of the connecting line of each electromagnet and the permanent magnet and the direction of the vehicle body center line in each running state, thereby intuitively realizing the correspondence between the running state of the vehicle and the vehicle lamp steering operation, intuitively realizing the correspondence between the running state and the control operation, reducing the calculation difficulty of the system, improving the real-time performance of the system, and further improving the follow-up timeliness and follow-up effect of the vehicle lamp follow-up; moreover, the stable connection and flexible rotation of the lampshade are realized through the combined structure of the elastic piece and the spherical base, and the stability of the lampshade in the operation process and the turning fluency are ensured; the processor adopts the combination of the controller and the decoder, so that the independent control of each electromagnet is realized, the complexity of the system is reduced, and the convenience of maintenance is improved.

Drawings

FIG. 1 is a schematic structural diagram of a magnetic-driven vehicle lamp servo device provided by the invention;

FIG. 2 is a schematic structural diagram of an electromagnet group of the magnetomotive vehicle lamp follow-up device provided by the invention;

FIG. 3 is an XYZ coordinate system diagram of an electromagnet group of the magnetic-driven vehicle lamp servo device provided by the invention;

FIG. 4 is a circuit structure diagram of a processor of the magnetic-driven vehicle lamp servo device provided by the invention;

the names and serial numbers of the parts in the figure are as follows:

the lamp comprises a bulb 1, a lampshade 2, an elastic part 3, a permanent magnet 4, a spherical base 5, a support 6, an electromagnet 7, a mounting seat 8 and a round-head fastening groove 9, wherein the bulb is arranged on the mounting seat; s1 is a front wheel steering angle sensor, and S2 is a vehicle body vertical inclination angle sensor.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.