CN110626255B - Magnetomotive car lamp follow-up device and control method thereof - Google Patents
Magnetomotive car lamp follow-up device and control method thereof Download PDFInfo
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- CN110626255B CN110626255B CN201911002804.4A CN201911002804A CN110626255B CN 110626255 B CN110626255 B CN 110626255B CN 201911002804 A CN201911002804 A CN 201911002804A CN 110626255 B CN110626255 B CN 110626255B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/076—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by electrical means including means to transmit the movements, e.g. shafts or joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/12—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position
- B60Q1/122—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position with electrical actuating means
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention aims to provide a magnetic-driven car lamp follow-up device, which comprises: bulb, lamp shade, elastic piece, permanent magnet, electromagnet group, spherical base, support, front wheel steering angle sensor, vehicle body vertical inclination angle sensor, processor and 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, a mounting seat is arranged on the lower side of the outer side wall of the lower part of the lampshade, and a round head fastening groove corresponding to the spherical base is formed in the mounting seat; an elastic piece is arranged on the edge of the inner side wall of the right end of the upper part of the support, and the lower end of the elastic piece is connected with the upper side of the outer side wall of the lampshade; a permanent magnet is arranged in the center of the back of the lampshade bottom plate; the bottom surface in the bottom plate of support is equipped with the electro-magnet that multiunit evenly arranges, and the polarity of permanent magnet and electro-magnet opposite side is opposite. The follow-up device overcomes the defects of the prior art and has the characteristics of reasonable structure, convenience in control and stable operation. The invention also provides a control method of the magnetic-driven car lamp follow-up device.
Description
Technical Field
The invention relates to the field of automobile lamp control devices, in particular to a magnetic drive type automobile lamp follow-up device and a control method thereof.
Background
In the conventional automotive lighting device, there are many problems in the conventional headlamp system in actual use, and since the housing of the lamp is fixed to the vehicle body without a turning function, the irradiation direction of the headlamp is kept consistent with the vehicle body. When a vehicle turns, particularly when the vehicle turns on dangerous mountain roads on the road side or urban roads without street lamps at night, the illumination angle cannot be adjusted by the vehicle lamps, and the vehicle cannot irradiate the inner side of the curve; especially in rainy and foggy weather, the road condition illumination condition of the front curve is more fuzzy, and the vehicle lamp which can not rotate greatly threatens the night driving safety of a driver; and the car can not well illuminate the road surface when the car goes up and down, there are many potential threats.
Disclosure of Invention
The invention aims to provide a magnetic-driven car lamp follow-up device, which overcomes the defects of the prior art and has the characteristics of reasonable structure, convenience in control and stability in operation.
The technical scheme of the invention is as follows:
a magnetically actuated vehicle lamp follower comprising: bulb, lamp shade, elastic piece, permanent magnet, electromagnet group, spherical base, support, front wheel steering angle sensor, vehicle body vertical inclination angle sensor, processor and 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 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, a round head fastening groove corresponding to the spherical base is arranged on the installation seat, the installation seat is sleeved on the spherical base through the round head fastening groove, and the lampshade can rotate by taking the spherical base as a fulcrum; an elastic piece is arranged on the edge of the inner side wall of the right end of the upper part of the support, and the lower end of the elastic piece is connected with the upper side of the outer side wall of the lampshade; a permanent magnet is arranged in the center of the back of the lampshade bottom plate; the bottom plate of the support is provided with a plurality of groups of electromagnets which are uniformly distributed, the polarities of the opposite sides of the permanent magnets and the electromagnets are opposite, the permanent magnets are not contacted with the electromagnets, and the permanent magnets are not contacted with the electromagnets under the condition that the electromagnets are connected to generate magnetic force;
the front wheel steering angle sensor is used for detecting a steering angle signal of a front wheel of the automobile and sending the steering signal 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 vehicle 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 connected to generate magnetic force after receiving a control signal of the processor, and the electromagnet group and the processor are electrically connected with a power supply and are powered by the power supply.
Preferably, the bottom plate inner bottom surface of the support is a vertical surface, and the electromagnets on the bottom plate inner bottom surface of the support are uniformly distributed at intervals in a rectangular shape.
Preferably, the electromagnets are uniformly distributed in a mode of five rows and seven columns, and are numbered from the left to the bottom in sequence and divided into a first block to a thirty-five block, wherein the eighteen blocks are opposite to the permanent magnets; the first block, the fifth block, the thirty-first block and the thirty-fifth block are respectively positioned on four corners, and the angles between the connecting lines of the first block, the fifth block, the thirty-first block and the thirty-fifth block and the permanent magnets and the vertical surfaces of the inner bottom surface of the bottom plate where the eighteen blocks are positioned are all 43 degrees; the angles between the connecting lines of the first block, the fifth block, the thirty-first block and the thirty-fifth block and the permanent magnets and the horizontal plane of the eighteen blocks are 28 degrees.
Preferably, 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 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 steering 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 nd, 3 rd 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 twelve, 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 a power supply anode;
the 7 th, 8 th, 9 th and 10 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U2, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U2 are respectively connected with one end of a first block, a second block, a third block, a fourth block, a fifth block, a sixth block, a seventh block and an eighth block, and the other end of the first block, the second block, the third block, the fourth block, the fifth block, the sixth block, the seventh block and the eighth block are connected with a positive electrode of a power supply;
the 11 th, 12 th, 13 th and 14 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U4, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U4 are respectively connected with one end of a seventeenth block, a eighteen block, a nineteenth block, a twenty-second block, a twenty-third block and a twenty-fourth block, and the other end of the seventeen block, the eighteen block, the nineteenth block, the twenty-second block, the twenty-third block and the twenty-fourth block is connected with a positive electrode of a power supply;
the 15 th, 16 th, 17 th and 18 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U5, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U5 are respectively connected with one end of a block twenty-five, a block twenty-six, a block twenty-seven, a block twenty-eight, a block twenty-nine, a block thirty-four and a block thirty-two, and the other end of the block twenty-five, the block twenty-six, the block twenty-seven, the block twenty-eight, the block twenty-nine, the block thirty-four and the block thirty-four is connected with a power supply anode;
the 19 th, 20 th, 21 nd and 22 nd pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U6, the 5 th, 6 th and 7 th pins of the decoder U6 are respectively connected with one ends of the block thirty-third, the block thirty-fourth and the block thirty-fifth, the other ends of the block thirty-third, the block thirty-fourth and the block thirty-fifth are connected with the positive electrode of a power supply, and the 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U6 are suspended.
Preferably, the electromagnet is a sucker type electromagnet with the model number of H1505.
Preferably, the front wheel steering angle sensor is a contactless angle sensor with the model number of WYT-AT-1.
Preferably, the vehicle body vertical inclination sensor is an inclination sensor with the model number of WQE 01D.
Preferably, the controller U1 is of the type AT89C51, and the decoders U2-U6 are of the type HD74LS138P.
The invention also provides a control method of the car lamp, which utilizes the magnetic car 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 an automobile front wheel, and a vertical inclination angle sensor detects a vertical inclination angle signal of an automobile body;
B. the processor is preset with the corresponding relation between the corner signal of the front wheel of the automobile and the vertical inclination angle signal of the automobile body and each electromagnet in the electromagnet group, wherein the principle of the corresponding relation is that the direction of the central line of the automobile body in the running state corresponding to the corner signal of the front wheel of the automobile and the vertical inclination angle of the automobile body corresponds to the direction of the connecting line of the electromagnet corresponding to the running state and the permanent magnet, and the electromagnet corresponding to the vertical inclination angle signal of the automobile body is obtained according 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;
C. the processor sends a control signal to the corresponding electromagnet to control the electromagnet to be connected and generate magnetic force, so that the permanent magnet is attracted to be close to the electromagnet which is connected currently, the permanent magnet drives the lampshade to rotate, and the follow-up control of the lampshade is realized.
Preferably, the corresponding relation between the rotation angle 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 front wheel rotation angle range to be +/-50 degrees, 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 invention discloses a magnetic-driven car lamp follow-up device, which adopts a combination of a front wheel steering angle sensor and a car body vertical inclination angle sensor to acquire the current running state of a car, comprises two running states of turning and ascending and descending, sets an electromagnet group to form an electromagnet array, divides the possible running states of the car into an electromagnet array, makes each running state correspond to one electromagnet, simulates the corresponding relation between the direction of the connecting line of each electromagnet and a permanent magnet and the direction of the central line of the car body in each running state, intuitively realizes the corresponding of the car running state and the car lamp steering operation, intuitively realizes the corresponding of the running state and the control operation, reduces the calculation difficulty of a system, improves the real-time performance of the system, and further improves the timeliness and the follow-up effect of the car lamp follow-up; 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 and steering fluency of the lampshade in the running process are ensured; the combination of the controller and the decoder is adopted in the processor, so that independent control of each electromagnet is realized, the complexity of the system is reduced, and meanwhile, the convenience of maintenance is improved.
Drawings
Fig. 1 is a schematic structural diagram of a magnetic-driven vehicle lamp follow-up device provided by the invention;
fig. 2 is a schematic structural diagram of an electromagnet group of the magnetic-driven vehicle lamp follow-up device provided by the invention;
FIG. 3 is a schematic view of an XYZ coordinate system of an electromagnet group of a magnetically actuated vehicle lamp follower device provided by the present invention;
FIG. 4 is a circuit block diagram of a processor of the magnetically actuated vehicle lamp follower provided by the present invention;
the names and serial numbers of the parts in the figure are as follows:
the bulb lamp comprises a bulb 1, a lampshade 2, an elastic piece 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; s1 is a front wheel steering angle sensor, and S2 is a vehicle body vertical inclination angle sensor.
Detailed Description
The invention is described in detail below with reference to the drawings and examples.
Example 1
As shown in fig. 1 to 4, the magnetically driven vehicle lamp following device provided in this embodiment includes: bulb 1, lamp shade 2, elastic piece 3, permanent magnet 4, electromagnet group, spherical base 5, support 6, front wheel steering angle sensor, car body vertical dip angle sensor, processor, power;
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 of the lower part of the right end of the support 6, a mounting seat 8 is arranged on the lower side of the outer side wall of the lower part of the lampshade 2, a round head fastening groove 9 corresponding to the spherical base 5 is arranged on the mounting seat 8, the mounting 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; the edge of the inner side wall of the right end of the upper part of the support 6 is provided with an elastic piece 3, and the lower end of the elastic piece 3 is connected with the upper side of the outer side wall of the lampshade 2; a permanent magnet 4 is arranged in the center of the back of the bottom plate of the lampshade 2; the bottom plate of the support 6 is provided with a plurality of groups of electromagnets 7 which are uniformly distributed, the polarities of the opposite sides of the permanent magnets 4 and the electromagnets 7 are opposite, the permanent magnets 4 are not contacted with the electromagnets 7, and under the condition that the electromagnets 7 are connected to generate magnetic force, the permanent magnets 4 are not contacted with the electromagnets 7;
the front wheel steering angle sensor is used for detecting a steering angle signal of a front wheel of the automobile and sending the steering signal 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 vehicle 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 so as to generate magnetic force; each electromagnet 7 in the electromagnet group is used for generating magnetic force after receiving a control signal of the processor, and the electromagnet group and the processor are electrically connected with a power supply and are powered by the power supply;
the bottom plate inner bottom surface of the support 6 is a vertical surface, and electromagnets 7 on the bottom plate inner bottom surface of the support 6 are uniformly distributed at intervals in a rectangular shape;
the electromagnets 7 are uniformly distributed in a mode of five rows and seven columns, are numbered from the left side to the bottom in sequence and are divided into a first block to a thirty-five block, wherein the eighteen blocks are opposite to the permanent magnets 4; the first block, the fifth block, the thirty-first block and the thirty-fifth block are respectively positioned on four corners, and the angles between the connecting lines of the first block, the fifth block, the thirty-first block and the thirty-fifth block and the permanent magnet 4 and the vertical surface of the inner bottom surface of the bottom plate where the eighteen blocks are positioned are all 43 degrees; the angles between the connecting lines of the first block, the fifth block, the thirty-first block and the thirty-fifth block and the permanent magnet 4 and the horizontal plane of the eighteen blocks are 28 degrees; as shown in fig. 2;
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 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 steering 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 nd, 3 rd 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 twelve, 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 a power supply anode;
the 7 th, 8 th, 9 th and 10 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U2, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U2 are respectively connected with one end of a first block, a second block, a third block, a fourth block, a fifth block, a sixth block, a seventh block and an eighth block, and the other end of the first block, the second block, the third block, the fourth block, the fifth block, the sixth block, the seventh block and the eighth block are connected with a positive electrode of a power supply;
the 11 th, 12 th, 13 th and 14 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U4, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U4 are respectively connected with one end of a seventeenth block, a eighteen block, a nineteenth block, a twenty-second block, a twenty-third block and a twenty-fourth block, and the other end of the seventeen block, the eighteen block, the nineteenth block, the twenty-second block, the twenty-third block and the twenty-fourth block is connected with a positive electrode of a power supply;
the 15 th, 16 th, 17 th and 18 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U5, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U5 are respectively connected with one end of a block twenty-five, a block twenty-six, a block twenty-seven, a block twenty-eight, a block twenty-nine, a block thirty-four and a block thirty-two, and the other end of the block twenty-five, the block twenty-six, the block twenty-seven, the block twenty-eight, the block twenty-nine, the block thirty-four and the block thirty-four is connected with a power supply anode;
the 19 th, 20 th, 21 nd and 22 nd pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U6, the 5 th, 6 th and 7 th pins of the decoder U6 are respectively connected with one ends of the block thirty-third, the block thirty-fourth and the block thirty-fifth, the other ends of the block thirty-third, the block thirty-fourth and the block thirty-fifth are connected with the positive electrode of a power supply, and the 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U6 are suspended.
The electromagnet 7 is a sucker type electromagnet with the model of H1505 and is produced by the Landa electromagnet Co., ltd; the front wheel steering angle sensor is a contactless angle sensor with the model of WYT-AT-1 and is produced by Beijing Tong Magnetism West sensing technology Co; the vehicle body vertical inclination sensor is an inclination sensor with the model of WQE01D and is produced by Beijing Tong Magnetism West sensing technology Co., ltd; the model of the controller U1 is AT89C51, manufactured by ATMEL company, the model of the decoder U2-U6 is HD74LS138P, manufactured by Hitachi company;
the control method of the car lamp provided by the embodiment comprises the following steps:
A. in the running process of the automobile, a front wheel steering angle sensor detects a steering angle signal of an automobile front wheel, and a vertical inclination angle sensor detects a vertical inclination angle signal of an automobile body;
B. the processor is preset with the corresponding relation between the rotation angle 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, and the electromagnet 7 corresponding to the current running state is obtained according to the rotation angle signal of the front wheel of the automobile and the vertical inclination angle signal of the automobile body;
C. the processor sends a control signal to the corresponding electromagnet 7 to control the electromagnet 7 to be connected and generate magnetic force, so that the permanent magnet is attracted to be close to the electromagnet 7 which is connected currently, the permanent magnet 4 drives the lampshade to rotate, and the follow-up control of the lampshade is realized;
as shown in fig. 2-3, an XYZ coordinate system is constructed, which is centered on the block 18, with the X axis extending in the horizontal direction and the Y axis extending in the vertical direction, and the Z axis perpendicular to the XY plane and directed toward the permanent magnet 4;
the 35 blocks are distributed in the XY plane of the XYZ coordinate system, each block corresponds to one electromagnet 7, and as can be seen from fig. 3, the correspondence between the coordinates and each block is: tile 1 coordinates (-3, 2, 0), tile 2 coordinates (-3, 1, 0), tile 3 coordinates (-3,0,0), tile 4 coordinates (-3, -1, 0), tile 5 coordinates (-3, -2, 0), tile 6 coordinates (-2, 0), tile 7 coordinates (-2, 1, 0), tile 8 coordinates (-2,0,0), tile 9 coordinates (-2, -1, 0), tile 10 coordinates (-2, 0), tile 11 coordinates (-1,2,0), tile 12 coordinates (-1, 0), tile 13 coordinates (-1, 0), tile 14 coordinates (-1, 0), tile 15 coordinates (-1, -2, 0), tile 16 coordinates (0,2,0), block 17 coordinates (0, 1, 0), block 18 coordinates (0, 0), block 19 coordinates (0, -1, 0), block 20 coordinates (0, -2, 0), block 21 coordinates (1,2,0), block 22 coordinates (1, 0), block 23 coordinates (1, 0), block 24 coordinates (1, -1, 0), block 25 coordinates (1, -2, 0), block 26 coordinates (2, 0), block 27 coordinates (2, 1, 0), block 28 coordinates (2,0,0), block 29 coordinates (2, -1, 0), block 30 coordinates (2, -2, 0), block 31 coordinates (3, 2, 0), block 32 coordinates (3, 1, 0), block 33 coordinates (3,0,0), block 34 coordinates (3, -1, 0), block 35 coordinates (3, -2, 0);
the corresponding conduction relations between each block and the front wheel corner and the vehicle body vertical inclination angle are shown in table 1:
TABLE 1 Block conduction relationship Table
Wherein: setting the front wheel rotation angle range to be +/-50 degrees, 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;
as shown in fig. 4, the relationship between the conduction of each block and the output of the controller pin is shown in table 2:
table 2 block on and controller pin output relationship table
Wherein: 1 represents high level, 0 represents low level, and blank is defaulted to low level;
the specific control procedure is exemplified as follows:
example 1: when detecting that the front wheel corner is +50 degrees and the vertical inclination angle of the vehicle body is +35 degrees, the vehicle is in a left turning and declining state, at the moment, the controller U1 makes a decision of conducting the block 1 according to the table 1, the controller U1 outputs a pin 7 as a high-level gating decoder U2 according to the table 2, the controller U1 sets pins 8, 9 and 10 as a low level according to the table 2, so that the pin 5 of the U2 is output as a low level, at the moment, the electromagnet 7 of the block 1 is conducted, the electromagnet 7 drives the permanent magnet 4 to rotate to a coordinate (-3, 2 and Z) position under the action of magnetic force, and the lamp shade 2 follows the rotation of the permanent magnet 4 to conduct light compensation through the bulb 1, so that the vehicle lamp follow-up control is realized, wherein Z is the distance between the permanent magnet 4 and a plane where the electromagnet 7 is located at the moment;
example 2: when detecting that the front wheel corner is +50°, and the vertical inclination angle of the vehicle body is-35 degrees, indicating that the vehicle is in a left-turn and up-tilt state, at this time, the controller U1 makes a decision of conducting the block 5 according to the table 1, the controller U1 outputs a pin 7 as a high-level gating decoder U2 according to the table 2, the controller U1 sets a pin 8 as a high level according to the table 2, pins 9 and 10 are low-level, at this time, the pin 9 of the decoder U2 is low-level, the electromagnet 7 of the block 5 is conducted, the electromagnet 7 drives the permanent magnet 4 to rotate to a coordinate (-3, -2 and Z) position under the action of magnetic force, the lamp shade 2 rotates along with the permanent magnet 4 through the bulb 1 to perform light compensation, and thus the vehicle lamp follow-up control is realized, wherein Z is the distance between the permanent magnet 4 and the plane where the electromagnet 7 is located at this time;
example 3: when detecting that the front wheel corner is minus 50 degrees and the vertical inclination angle of the automobile body is +35 degrees, indicating that the automobile is in a right-turning and declining state, at the moment, the controller U1 makes a decision of conducting the block 31 according to the table 1, the controller U1 outputs a pin 18 as a high-level gating decoder U5 according to the table 2, the controller U1 sets a pin 15 as a low level according to the table 2, pins 16 and 17 as a high level, at the moment, the pin 11 of the decoder U5 is changed into a low level, the electromagnet 7 of the block 31 is conducted, the electromagnet 7 drives the permanent magnet 4 to rotate to a coordinate (3, 2 and Z) position under the action of magnetic force, the lamp shade 2 rotates along with the permanent magnet 4 to conduct light compensation through the bulb 1, and the automobile lamp follow-up control is realized, wherein Z is the distance between the permanent magnet 4 and a plane where the electromagnet 7 is located at the moment;
example 4: when detecting that the front wheel corner is minus 50 degrees and the vertical inclination angle of the automobile body is minus 35 degrees, indicating that the automobile is in a right-turning and upward-tilting state, at the moment, the controller U1 makes a decision of conducting the block 35 according to the table 1, the controller U1 outputs a pin No. 22 to be a high-level gating decoder U6 according to the table 2, the controller U1 sets a pin No. 20 to output a high level according to the table 2, pins No. 19 and 21 output a low level, at the moment, the pin No. 7 of the decoder U6 is changed into a low level, at the moment, the electromagnet 7 of the block 35 is conducted, the electromagnet 7 drives the permanent magnet 4 to rotate to a coordinate (3, -2 and Z) position under the action of magnetic force, and the lamp shade 2 follows the permanent magnet 4 to rotate to conduct light compensation through the bulb 1, so that the automobile lamp follow-up control is realized, wherein Z is the distance between the permanent magnet 4 and a plane where the electromagnet 7 is located at the moment;
example 5: when the front wheel corner is 0 degrees and the vertical inclination angle of the vehicle body is 0 degrees, the vehicle is in a normal running state, at the moment, the controller U1 makes a decision of conducting the block 18 according to the table 1, the controller U1 outputs a pin 14 to be a high-level gating decoder U4 according to the table 2, the controller U1 sets a pin 11 to output a high level according to the table 2, pins 12 and 13 output a low level, at the moment, the output of a pin 6 of the decoder U4 becomes a low level, the electromagnet 7 of the block 18 is conducted, the electromagnet 7 drives the permanent magnet 4 to rotate to a coordinate (0, -2 and Z) position under the action of magnetic force, the lamp shade 2 follows the permanent magnet 4 to rotate to conduct light compensation through the bulb 1, and vehicle lamp follow-up control is realized, wherein Z is the distance between the permanent magnet 4 and a plane where the electromagnet 7 is located at the moment.
Claims (7)
1. A magnetically actuated vehicle lamp follower, comprising: the automobile comprises a bulb (1), a lampshade (2), an elastic piece (3), a permanent magnet (4), an electromagnet group, a spherical base (5), a support (6), a front wheel steering angle sensor, an automobile 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 open front end, a spherical base (5) is arranged at the edge of the inner wall of the lower part of the right end of the support (6), a mounting seat (8) is arranged on the lower side of the outer side wall of the lower part of the lampshade (2), a round head fastening groove (9) corresponding to the spherical base (5) is formed in the mounting seat (8), the mounting 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 piece (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 piece (3) is connected with the upper side of the outer side wall of the lampshade (2); a permanent magnet (4) is arranged in the center of the back of the bottom plate of the lampshade (2); the bottom plate of the support (6) is provided with a plurality of groups of electromagnets (7) which are uniformly distributed, the polarities of the permanent magnets (4) and the opposite sides of the electromagnets (7) are opposite, the permanent magnets (4) are not contacted with the electromagnets (7), and under the condition that the electromagnets (7) are connected to generate magnetic force, the permanent magnets (4) are not contacted with the electromagnets (7);
the front wheel steering angle sensor is used for detecting a steering angle signal of a front wheel of the automobile and sending the steering signal 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 vehicle 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 connected to generate magnetic force after receiving a control signal of the processor, and the electromagnet group and the processor are electrically connected with a power supply and are powered by the power supply;
the bottom plate inner bottom surface of the support (6) is a vertical surface, and electromagnets (7) on the bottom plate inner bottom surface of the support (6) are uniformly distributed at intervals in a rectangular shape;
thirty-five electromagnets (7) are uniformly distributed in a mode of five rows and seven columns, and are numbered from the left to the bottom in sequence and divided into a first block to a thirty-five block, wherein the eighteen blocks are right opposite to the permanent magnets (4); the first block, the fifth block, the thirty-first block and the thirty-fifth block are respectively positioned on four corners, and the angles between the connecting lines of the first block, the fifth block, the thirty-first block and the thirty-fifth block and the permanent magnet (4) and the vertical plane of the inner bottom surface of the bottom plate where the eighteen blocks are positioned are all 43 degrees; the angles between the connecting lines of the first block, the fifth block, the thirty-first block and the thirty-fifth block and the permanent magnet (4) and the horizontal plane of the eighteen blocks are 28 degrees;
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 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 steering 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 nd, 3 rd 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 twelve, 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 a power supply anode;
the 7 th, 8 th, 9 th and 10 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U2, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U2 are respectively connected with one end of a first block, a second block, a third block, a fourth block, a fifth block, a sixth block, a seventh block and an eighth block, and the other end of the first block, the second block, the third block, the fourth block, the fifth block, the sixth block, the seventh block and the eighth block are connected with a positive electrode of a power supply;
the 11 th, 12 th, 13 th and 14 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U4, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U4 are respectively connected with one end of a seventeenth block, a eighteen block, a nineteenth block, a twenty-second block, a twenty-third block and a twenty-fourth block, and the other end of the seventeen block, the eighteen block, the nineteenth block, the twenty-second block, the twenty-third block and the twenty-fourth block is connected with a positive electrode of a power supply;
the 15 th, 16 th, 17 th and 18 th pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U5, the 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U5 are respectively connected with one end of a block twenty-five, a block twenty-six, a block twenty-seven, a block twenty-eight, a block twenty-nine, a block thirty-four and a block thirty-two, and the other end of the block twenty-five, the block twenty-six, the block twenty-seven, the block twenty-eight, the block twenty-nine, the block thirty-four and the block thirty-four is connected with a power supply anode;
the 19 th, 20 th, 21 nd and 22 nd pins of the controller U1 are respectively connected with the 1 st, 2 nd, 3 rd and 4 th pins of the decoder U6, the 5 th, 6 th and 7 th pins of the decoder U6 are respectively connected with one ends of the block thirty-third, the block thirty-fourth and the block thirty-fifth, the other ends of the block thirty-third, the block thirty-fourth and the block thirty-fifth are connected with the positive electrode of a power supply, and the 8 th, 9 th, 10 th, 11 th and 12 th pins of the decoder U6 are suspended.
2. The magnetically actuated vehicle lamp follower of claim 1, wherein:
the electromagnet (7) is a sucker type electromagnet with the model of H1505.
3. The magnetically actuated vehicle lamp follower of claim 1, wherein:
the front wheel steering angle sensor is a contactless angle sensor with the model of WYT-AT-1.
4. The magnetically actuated vehicle lamp follower of claim 1, wherein:
the vehicle body vertical inclination sensor is an inclination sensor with the model of WQE 01D.
5. The magnetically actuated vehicle lamp follower of claim 1, wherein:
the model of the controller U1 is AT89C51, and the models of the decoders U2-U6 are HD74LS138P.
6. A control method of a vehicle lamp using the magnetically actuated vehicle lamp follow-up 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 an automobile front wheel, and a vertical inclination angle sensor detects a vertical inclination angle signal of an automobile body;
B. the processor is preset with the corresponding relation between the corner signal of the front wheel of the automobile and the vertical dip angle signal of the automobile body and each electromagnet (7) in the electromagnet group, wherein the principle of the corresponding relation is that the direction of the central line of the automobile body in the running state corresponding to the corner signal of the front wheel of the automobile and the vertical dip angle of the automobile body corresponds to the connecting line direction of the electromagnet (7) corresponding to the running state and the permanent magnet (4), and the corresponding electromagnet (7) is obtained according to the corner signal of the front wheel of the automobile and the running state corresponding to the vertical dip angle signal of the automobile body;
C. the processor sends a control signal to the corresponding electromagnet (7), and controls the electromagnet (7) to be connected to generate magnetic force, so that the permanent magnet is attracted to be close to the electromagnet (7) which is connected currently, the permanent magnet (4) drives the lampshade to rotate, and the follow-up control of the lampshade is realized.
7. The control method of a vehicle lamp according to claim 6, wherein:
the corresponding relation between the rotation angle 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 front wheel rotation angle range to be +/-50 degrees, 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.
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| CN201911002804.4A CN110626255B (en) | 2019-10-22 | 2019-10-22 | Magnetomotive car lamp follow-up device and control method thereof |
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| CN201911002804.4A CN110626255B (en) | 2019-10-22 | 2019-10-22 | Magnetomotive car lamp follow-up device and control method thereof |
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