CN114572101B - LED head lamp for automobile and illumination control system thereof - Google Patents
LED head lamp for automobile and illumination control system thereof Download PDFInfo
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- CN114572101B CN114572101B CN202110988044.XA CN202110988044A CN114572101B CN 114572101 B CN114572101 B CN 114572101B CN 202110988044 A CN202110988044 A CN 202110988044A CN 114572101 B CN114572101 B CN 114572101B
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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
- B60Q1/085—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 special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources
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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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/11—Linear movements of the vehicle
- B60Q2300/112—Vehicle speed
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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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/12—Steering parameters
- B60Q2300/122—Steering angle
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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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/31—Atmospheric conditions
- B60Q2300/312—Adverse weather
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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
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
- F21W2102/19—Arrangement or contour of the emitted light for regions other than high beam or low beam for curves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The application belongs to the field of automobile lighting equipment, relates to an automatic lighting control technology, and aims to solve the problem that an existing automobile LED headlamp cannot automatically adjust the lighting range when being driven by excessive bending at night, in particular to an automobile LED headlamp and an illumination control system thereof; the lamp shade comprises a base and a lamp shade, wherein a vertical control mechanism is arranged between the base and the lamp shade; the inner top wall and the inner bottom wall of the base are movably connected with a mounting shaft through a bearing, a first transmission gear and a first bevel gear are fixedly arranged on the outer surface of the mounting shaft, the inner bottom wall of the base is movably connected with a connecting shaft through a bearing, a rotating roller is fixedly arranged at the top of the connecting shaft, and a rotating disc is fixedly arranged at the top of the rotating roller in an extending manner after penetrating through the inner top wall of the base; the application can realize full-automatic adjustment of the illumination range when the vehicle turns over, and avoid illumination dead angles when the vehicle turns over at night, thereby reducing the accident probability when the vehicle turns over at night.
Description
Technical Field
The application belongs to the field of automobile lighting equipment, relates to an automatic lighting control technology, and particularly relates to an LED head lamp for an automobile and a lighting control system thereof.
Background
The main purpose of the headlamp is to illuminate the road and objects in front of the car, ensuring the driving safety. The alternating high beam and low beam can also be used as a night overtaking signal. The head lamps are arranged on two sides of the head of the automobile, and each automobile is provided with 2 or 4 head lamps. The power of the bulb is 45-60W for the high beam and 25-55W for the low beam.
The field of vision is relatively poor when the car is traveling at night, often can form the illumination dead angle in bend department, and current car head-light does not possess and carries out the function of illumination angle automatically regulated when the bend is traveling, and the car is fast when crossing the bend, time is short, and the driver also can not be too through manual operation to adjust the illumination scope of head-light, therefore the car of installation current head-light is when crossing the bend at night, because there is the illumination dead angle, leads to the security performance greatly reduced that the vehicle was traveling.
The application provides an LED headlamp for an automobile and an illumination control system thereof.
Disclosure of Invention
The application aims to provide an LED head lamp for an automobile and an illumination control system thereof, which are used for solving the problem that the existing LED head lamp for the automobile cannot automatically adjust the illumination range when the automobile is in night driving after being bent;
the technical problems to be solved by the application are as follows: how to provide an automotive LED headlamp capable of automatically adjusting the illumination range of the headlamp when the vehicle is over-bent.
The aim of the application can be achieved by the following technical scheme:
the LED headlamp for the automobile comprises a base and a lampshade, wherein a vertical control mechanism is arranged between the base and the lampshade;
the inner top wall and the inner bottom wall of the base are movably connected with a mounting shaft through a bearing, a first transmission gear and a first bevel gear are fixedly arranged on the outer surface of the mounting shaft, the inner bottom wall of the base is movably connected with a connecting shaft through a bearing, a rotating roller is fixedly arranged at the top of the connecting shaft, the top of the rotating roller penetrates through the inner top wall of the base and is fixedly provided with a rotary table in an extending manner, a second transmission gear is fixedly arranged on the outer surface of the rotating roller, the second transmission gear is meshed with the first transmission gear, and the mounting shaft is driven by a first driving motor;
the lamp shade comprises a lamp shade body, a lamp holder, a lamp, a pushing mechanism, a connecting seat, a lamp, a wire, a pushing mechanism, a connecting seat, a lamp cover inner top wall and an inner bottom wall, wherein the lamp holder is movably connected between the two sliding grooves through a second sliding block;
the top of the turntable is hinged with the bottom of the mounting column.
Further, first driving motor passes through motor cabinet fixed mounting in the side of base, first driving motor output fixed mounting has the pivot, the one end that first driving motor was kept away from to the pivot extends to inside the base and fixed mounting has the second bevel gear, the second bevel gear meshes with first bevel gear, the surface swing joint of pivot has the stop collar, fixed mounting has the support between bottom of the stop collar and the bottom wall in the base.
Further, two symmetrical second sliding blocks are movably connected between the inner walls of the sliding grooves, connecting blocks are fixedly arranged on the side surfaces, away from the sliding grooves, of the second sliding blocks, lamp holders are fixedly arranged between the upper connecting block and the lower connecting block, the inner walls, away from the propelling mechanism, of the lamp covers are connected with round table-shaped covers in a penetrating manner, uniformly distributed vent holes are formed in the inner walls of the lamp covers, and mounting columns are fixedly arranged at the bottoms of the lamp covers.
Further, the propelling mechanism comprises a second driving motor fixedly mounted on the inner side wall of the lamp shade and two mounting plates fixedly mounted on the side faces of the lamp holder, a threaded rod is fixedly mounted at the output end of the second driving motor through a motor shaft, a threaded sleeve is connected to the outer surface of the threaded rod in a threaded mode, a second sliding rail is fixedly mounted on the side face, close to the mounting plates, of the two mounting plates, a transverse moving plate is movably connected between the side faces, close to the second sliding rail, of the threaded rod, one end, far away from the second driving motor, of the threaded rod is movably connected with the side face of the transverse moving plate through a bearing, and the top face and the bottom face of the threaded sleeve are fixedly connected with an upper side mounting plate and a lower side mounting plate respectively through fixing blocks.
The lighting control system of the LED headlamp for the automobile comprises a lighting control platform, wherein the lighting control platform is in communication connection with a data acquisition module, an execution module and a manual operation module, the data acquisition module is in communication connection with a vehicle condition analysis module, and the vehicle condition analysis module is in communication connection with the execution module.
Further, the data acquisition module is used for acquiring data when the vehicle runs and sending the acquired data to the vehicle condition analysis module;
the vehicle condition analysis module is used for analyzing the running condition of the vehicle through the data acquired by the data acquisition module, and the specific vehicle running condition analysis process comprises the following steps:
step S1: acquiring a steering wheel angle signal, a vehicle speed signal and a rainwater signal through a CAN bus, wherein the steering wheel angle signal is an angle value ZJ of a steering wheel angle, the ZJ value is a negative value when the steering wheel rotates anticlockwise, the ZJ value is a positive value when the steering wheel rotates clockwise, the vehicle speed signal is the running speed XS of a vehicle, the unit is km/h, the rainwater signal is the current rainfall JY of an area where the vehicle is located, and the unit is mm;
step S2: analyzing steering wheel corner signals, vehicle speed signals and rainwater signals through a vehicle condition analysis model to generate automatic execution signals, and sending the automatic execution signals to an execution module, wherein the automatic execution signals are generated in a ZG (zero-g) mode;
the execution module receives the automatic execution signal and then controls the rotation direction and the rotation angle of the turntable.
Further, the process of generating the automatic execution signal by the vehicle condition analysis model in step S2 includes: calculating a steering wheel angle signal, a vehicle speed signal and a rainwater signal to obtain output power SC, and generating an automatic execution signal ZG by combining positive and negative values of the output power SC and ZJ, wherein the value of G is the numerical value of the output power SC, the value of Z is 0 or 1, and when the value of ZJ is a negative value, the value of Z is 0; when ZJ takes a positive value, Z takes a value of 1.
Further, the process of controlling the rotating direction and the rotating angle of the turntable by the execution module comprises the following steps: acquiring a value of ZG, and when the value of Z is 0, controlling the forward output power of the first driving motor within L1 seconds to be adjusted to G by the execution module; when the value of Z is 1, the execution module controls the reverse output power of the first driving motor to be adjusted to G in L1 seconds; l1 is a time constant.
The application has the following beneficial effects:
1. the rotary roller is driven by the first driving motor to rotate so as to realize the rotation of the rotary table, thereby automatically adjusting the illumination range of the lamp, switching the output direction of the first driving motor to control the lamp to rotate in different directions, combining the output result of the vehicle condition analysis model, realizing the full-automatic adjustment of the illumination range when the vehicle is bent, avoiding the illumination dead angle when the vehicle is bent at night, reducing the accident probability when the vehicle is bent at night, and improving the safety of the vehicle driving at night;
2. the vertical inclination angle of the lamp shade is adjusted through the vertical control mechanism, a driver can manually adjust according to the driving feeling of the driver until the illumination visual field reaches the optimal state, so that the driving experience of the driver is guaranteed, meanwhile, the driving safety is guaranteed through the optimal illumination visual field, the distance between the lamp holder and the round table-shaped cover is controlled through the propulsion control mechanism, the illumination range is controlled to be increased and decreased by enabling the lamp holder to be close to and far away from the round table-shaped cover, the illumination applicability and the illumination adjustability of the headlamp are further improved, and the vertical inclination and the illumination range are controlled by four buttons respectively, so that the operation is simple and convenient.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front elevational view of the structure of the present application;
FIG. 2 is a front cross-sectional view of the base structure of the present application;
figure 3 is a front cross-sectional view of the lamp housing structure of the present application;
fig. 4 is a schematic block diagram of embodiment 2 of the present application.
In the figure: 1. a base; 101. a mounting shaft; 102. a first transmission gear; 103. a first bevel gear; 104. a connecting shaft; 105. a rotating roller; 106. a turntable; 107. a second transmission gear; 108. a first driving motor; 109. a rotating shaft; 110. a second bevel gear; 111. a limit sleeve; 112. a bracket; 2. a lamp shade; 201. a chute; 202. a second slider; 203. a connecting block; 204. a lamp holder; 205. a power supply; 206. a connecting seat; 207. a lamp; 208. a circular truncated cone-shaped cover; 209. a vent hole; 210. a mounting column; 211. a second driving motor; 212. a mounting plate; 213. a threaded rod; 214. a thread sleeve; 215. a second slide rail; 216. a transverse moving plate; 217. a fixed block; 3. a vertical control mechanism; 301. an electric push rod; 302. a first slide rail; 303. a first slider.
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The main purpose of the headlamp is to illuminate the road and objects in front of the automobile, ensure the driving safety, and can also utilize the alternating high beam and low beam as night overtaking signals, and the automobile has illumination dead angles when passing through the curve because an operator can not adjust and switch the illumination range of the headlamp manually at night, so that the existing headlamp illumination has potential safety hazards when the automobile passes through the curve at night.
Example 1
Referring to fig. 1, the automotive LED headlamp comprises a base 1 and a lamp shade 2, wherein the top of a turntable 106 at the top of the base 1 is hinged with the bottom of a mounting column 210 at the bottom of the lamp shade 2, and a vertical control mechanism 3 is arranged between the base 1 and the lamp shade 2;
the vertical control mechanism 3 comprises an electric push rod 301 fixedly arranged on the top surface of the turntable 106 and a first sliding rail 302 fixedly arranged on the bottom surface of the lampshade 2, a first sliding block 303 is movably connected to the bottom of the first sliding rail 302, and the bottom of the first sliding block 303 is hinged to the output end of the electric push rod 301. When the electric push rod 301 stretches out, the left side of the lamp shade 2 is pushed to move upwards, when the electric push rod 301 contracts, the left side of the lamp shade 2 is pulled to move downwards, the vertical inclination angle of the lamp shade 2 is adjusted by controlling the stretching out and the recycling of the electric push rod 301, and the stretching out and the recycling of the electric push rod 301 are controlled by an upward inclination button and a downward inclination button respectively.
Referring to fig. 2, a mounting shaft 101 is movably connected between an inner top wall and an inner bottom wall of a base 1 through a bearing, a first transmission gear 102 and a first bevel gear 103 are fixedly mounted on the outer surface of the mounting shaft 101, a connecting shaft 104 is movably connected with the inner bottom wall of the base 1 through the bearing, a rotary roller 105 is fixedly mounted on the top of the connecting shaft 104, the top of the rotary roller 105 passes through the inner top wall of the base 1 and is provided with a rotary table 106 in an extending and fixed manner, a second transmission gear 107 is fixedly mounted on the outer surface of the rotary roller 105, the second transmission gear 107 is meshed with the first transmission gear 102, a first driving motor 108 is fixedly mounted on the side surface of the base 1 through a motor seat, a rotating shaft 109 is driven by the first driving motor 108 to rotate, the first bevel gear 103 and the second bevel gear 110 are driven by the transmission effect of the first bevel gear 103, the rotary roller 105 is driven by the transmission effect of the first transmission gear 102 and the second bevel gear 110, so that the rotary table 106 synchronously rotates, the illumination range of the lamp shade 2 is adjusted, the illumination range in front of the lamp can be automatically adjusted in the form of a night, the safety accident is avoided, the output end of the first driving motor 108 is fixedly mounted on the lamp 108, the first driving motor 108 is meshed with the first driving motor 109, the first driving motor 109 is meshed with the first bevel gear 109 and is further extended to the inner bottom wall 109 and is fixedly connected with the second bevel gear 109 through the second bevel gear 110, and is fixedly meshed with the rotating shaft 111, and is further fixedly arranged on the outer surface 111, and is further fixedly meshed with the inner bottom wall 111, and is further meshed with the second bevel gear 109.
Referring to fig. 3, a chute 201 is formed on the inner top wall and the inner bottom wall of the lamp housing 2, two symmetrical second sliders 202 are movably connected between the inner walls of the chute 201, a connection block 203 is fixedly mounted on the side surface of the second sliders 202 far away from the chute 201, a lamp holder 204 is fixedly mounted between the side surfaces of the upper and lower two groups of connection blocks 203, a power supply 205 is arranged on the inner side wall of the lamp holder 204, a connection seat 206 is fixedly mounted between the inner walls of the lamp holder 204, a lamp 207 is arranged on the side surface of the connection seat 206 far away from the power supply 205, one end of the lamp 207 far away from the connection seat 206 penetrates through the inner walls of the lamp holder 204 and extends to the outside of the lamp holder 204, the lamp 207 is electrically connected with the power supply 205 through wires, the power supply 205 supplies power to the lamp 207, the connection seat 206 is arranged to enable the lamp 207 to be mounted more stably, a propelling mechanism is arranged between the side surface of the lamp holder 204 and the inner wall of the lamp housing 2, a round table-shaped cover 208 is connected with the inner wall of the propelling mechanism in a penetrating manner, and the distance between the round table-shaped cover 208 and the lamp 207 determines the illumination range, therefore the purpose of adjusting the illumination range is achieved by switching the position of the propelling mechanism, uniformly distributed ventilation holes 209 are formed on the inner walls of the lamp housing 206, one end is used for radiating heat of the lamp housing 205, the heat is electrically distributed through the ventilation holes 209 is used for radiating heat 210, the bottom of the lamp housing 205 is fixedly mounted on the lamp housing 2, and a turntable column 106 is fixedly mounted on the support column, and the heat radiating column is mounted.
The propelling mechanism comprises a second driving motor 211 fixedly arranged on the inner side wall of the lampshade 2 through a motor base and two mounting plates 212 fixedly arranged on the side face of the lamp holder 204, a threaded rod 213 is fixedly arranged at the output end of the second driving motor 211 through a motor shaft, a threaded sleeve 214 is connected to the outer surface of the threaded rod 213 in a threaded mode, second sliding rails 215 are fixedly arranged on the side faces, close to the two mounting plates 212, of the two mounting plates, a transverse moving plate 216 is movably connected between the side faces, close to the two second sliding rails 215, of the two mounting plates, the back face of the transverse moving plate 216 is fixedly connected with the inner wall of the back face of the lampshade 2, one end, far away from the second driving motor 211, of the threaded rod 213 is movably connected with the side face of the transverse moving plate 216 through a bearing, the top face and the bottom face of the threaded sleeve 214 are respectively fixedly connected with the upper mounting plate 212 and the lower mounting plate 212 through fixing blocks 217, the threaded rod 213 is driven to rotate through the second driving motor 211, the threaded sleeve 214 is enabled to transversely move in the left and right directions under the limiting action of the fixing blocks 217, and the lamp holder 204 moves synchronously with the threaded sleeve 214 when the threaded sleeve 214 transversely moves.
Example 2
Referring to fig. 4, the lighting control system of the automotive LED headlamp comprises a lighting control platform, wherein the lighting control platform is in communication connection with a data acquisition module and an execution module, the data acquisition module is in communication connection with a vehicle condition analysis module, and the vehicle condition analysis module is in communication connection with the execution module;
the data acquisition module is used for acquiring data when the vehicle runs and transmitting the acquired data to the vehicle condition analysis module;
the vehicle condition analysis module is used for analyzing the running condition of the vehicle through the data acquired by the data acquisition module, and the specific vehicle running condition analysis process comprises the following steps:
step S1: the method comprises the steps that a steering wheel angle signal, a vehicle speed signal and a rainwater signal are obtained through a CAN bus, wherein the steering wheel angle signal is an angle value ZJ of a steering wheel angle, the ZJ value is a negative value when the steering wheel rotates anticlockwise, the ZJ value is a positive value when the steering wheel rotates clockwise, the vehicle speed signal is a running speed XS of a vehicle, the unit is km/h, the rainwater signal is a current rainfall JY of an area where the vehicle is located, the unit is mm, and the CAN is Controller Area Network and is an ISO internationally standardized serial communication protocol. In the automotive industry, various electronic control systems have been developed for acquiring the above data through a serial communication network of distributed control or real-time control, in view of requirements for safety, comfort, convenience, low power consumption, and low cost;
step S2: analyzing steering wheel corner signals, vehicle speed signals and rainwater signals through a vehicle condition analysis model to generate automatic execution signals, and sending the automatic execution signals to an execution module, wherein the automatic execution signals are generated in a ZG (zero-g) mode;
the specific process of generating the automatic execution signal by the vehicle condition analysis model comprises the following steps: by the formulaObtaining output power SC, wherein α1, α2 and α3 are all proportionality coefficients, α1 > α2 > α 3,e are natural constants, e is set to be e=2.72, it is to be noted that the output power SC is output power of the first driving motor 108 when the vehicle turns, the positive and negative values of the output power SC and ZJ are combined to generate an automatic execution signal ZG, the value of G is the value of the output power SC, the value of Z is 0 or 1, and when the value of ZJ is a negative value, the value of Z is 0; when ZJ takes a positive value, Z takes a value of 1.
The execution module acquires the value of ZG when receiving the automatic execution signal, and when the value of Z is 0, the execution module controls the forward output power of the first driving motor 108 in L1 seconds to be adjusted to G; when the value of Z is 1, the execution module controls the reverse output power of the first driving motor 108 to be adjusted to G in L1 seconds; l1 is a time constant.
The illumination control platform is also in communication connection with a manual operation module, the manual operation module is used for manually adjusting the inclination angle and the illumination range of the LED headlamp by a driver, the driver sends a manual execution signal to the illumination control platform through four buttons according to the driving condition of the driver, the illumination control platform sends the manual execution signal to the execution module after receiving the manual execution signal, and the four buttons are respectively in range increase, range decrease, upward inclination and downward inclination;
when a driver presses the range increasing button, the execution module controls the second driving motor 211 to drive the threaded rod 213 to rotate clockwise, the threaded sleeve 214 moves leftwards under the limiting action of the fixed block 217, and meanwhile, the lamp holder 204 is driven to move leftwards through the mounting plate 212, and the lamp 207 is close to the circular table-shaped cover 208, so that the illumination range of the lamp 207 is increased;
when a driver presses the range reduction button, the execution module controls the second driving motor 211 to drive the threaded rod 213 to rotate anticlockwise, the threaded sleeve 214 moves rightwards under the limiting action of the fixed block 217, meanwhile, the lamp holder 204 is driven to move rightwards through the mounting plate 212, and the lamp 207 is far away from the circular table-shaped cover 208, so that the illumination range of the lamp 207 is reduced;
when a driver presses an upward-inclination button, the execution module controls the electric push rod 301 to extend, and when the electric push rod 301 extends, the first sliding block 303 slides upward on the first sliding rail 302 to enable the left side of the lampshade 2 to be lifted, so that the illumination range of the lamp 207 is adjusted upward;
when the driver presses the downward inclination button, the execution module controls the electric push rod 301 to retract, and when the electric push rod 301 retracts, the first slider 303 slides upward on the first sliding rail 302 to pull the left side of the lampshade 2 low, so that the illumination range of the lamp 207 is adjusted downward.
When the LED headlamp for the automobile is used, a driver controls the output direction of the second driving motor 211 through the range reduction button and the range increase button, so that the position of the lamp holder 204 is controlled through the threaded rod 213 and the threaded sleeve 214, and after the positions of the lamp holder 204 and the circular table-shaped cover 208 are changed, the illumination range of the lamp 207 is correspondingly changed; the driver controls the electric push rod 301 to extend and retract through the upward-inclination button and the downward-inclination button, and when the electric push rod 301 extends, the left side of the lampshade 2 is pushed to rotate upwards, and when the electric push rod 301 retracts, the left side of the lampshade 2 is pushed to rotate downwards; when the vehicle passes through a curve, the steering wheel angle signal, the rainfall signal and the vehicle speed signal are analyzed through the vehicle condition analysis model to obtain an automatic performance signal, and the execution module receives the automatic performance signal and then controls the output direction and the output power of the first driving motor 108, so that the turntable 106 correspondingly rotates, and the automatic adjustment function of the angle of the lamp 207 is realized.
The foregoing is merely illustrative of the structures of this application and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the application or from the scope of the application as defined in the accompanying claims.
The formulas are all formulas obtained by collecting a large amount of data for software simulation and selecting a formula close to a true value, and coefficients in the formulas are set by a person skilled in the art according to actual conditions; such as: formula (VI)The method comprises the steps of carrying out a first treatment on the surface of the Collecting a plurality of groups of sample data by a person skilled in the art and setting a corresponding rating coefficient for each group of sample data; substituting the set rating coefficient and the collected sample data into a formula, forming a ternary one-time equation set by any two formulas, screening the calculated coefficient and taking an average value to obtain values of alpha 1, alpha 2 and alpha 3 of 1.55, 1.43 and 1.22 respectively;
the size of the coefficient is a specific numerical value obtained by quantizing each parameter, so that the subsequent comparison is convenient, and the size of the coefficient depends on the number of sample data and the corresponding rating coefficient is preliminarily set for each group of sample data by a person skilled in the art; as long as the proportional relation between the parameter and the quantized value is not affected, for example, the output power is directly proportional to the value of the angle value of the steering wheel angle.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the application disclosed above are intended only to assist in the explanation of the application. The preferred embodiments are not intended to be exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The LED headlamp for the automobile comprises a base (1) and a lampshade (2), and is characterized in that a vertical control mechanism (3) is arranged between the base (1) and the lampshade (2);
a mounting shaft (101) is movably connected between the inner top wall and the inner bottom wall of the base (1) through a bearing, a first transmission gear (102) and a first bevel gear (103) are fixedly arranged on the outer surface of the mounting shaft (101), a connecting shaft (104) is movably connected with the inner bottom wall of the base (1) through a bearing, a rotating roller (105) is fixedly arranged at the top of the connecting shaft (104), a rotating disc (106) penetrates through the inner top wall of the base (1) and extends and is fixedly arranged at the top of the rotating roller (105), a second transmission gear (107) is fixedly arranged on the outer surface of the rotating roller (105), the second transmission gear (107) is meshed with the first transmission gear (102), and the mounting shaft (101) is driven by a first driving motor (108);
the lamp shade is characterized in that sliding grooves (201) are formed in the inner top wall and the inner bottom wall of the lamp shade (2), two sliding grooves (201) are movably connected with a lamp holder (204) through a second sliding block (202), a power supply (205) is arranged on the inner side wall of the lamp holder (204), a connecting seat (206) is fixedly arranged between the inner walls of the lamp holder (204), a lamp (207) is arranged on the side surface, far away from the power supply (205), of the lamp (207), one end, far away from the connecting seat (206), of the lamp (207) penetrates through the inner side wall of the lamp holder (204) and extends to the outer part of the lamp holder (204), the lamp (207) is electrically connected with the power supply (205) through a wire, and a propelling mechanism is arranged between the side surface of the lamp holder (204) and the inner side wall of the lamp shade (2).
The top of the turntable (106) is hinged with the bottom of the mounting column (210);
first driving motor (108) are through the side of motor cabinet fixed mounting at base (1), first driving motor (108) output has pivot (109), the one end that first driving motor (108) was kept away from to pivot (109) extends to inside and fixed mounting of base (1) have second bevel gear (110), second bevel gear (110) meshes with first bevel gear (103), the surface swing joint of pivot (109) has stop collar (111), fixed mounting has support (112) between stop collar (111) bottom and the interior bottom of base (1).
2. The automotive LED headlamp according to claim 1, wherein two symmetrical second sliding blocks (202) are movably connected between the inner walls of the sliding groove (201), the side surfaces, away from the sliding groove (201), of the second sliding blocks (202) are fixedly provided with connecting blocks (203), a lamp holder (204) is fixedly arranged between the upper connecting block (203) and the lower connecting block (203), the inner walls, away from the propelling mechanism, of the lamp shade (2) are in penetrating connection with a round table-shaped cover (208), uniformly distributed ventilation holes (209) are formed in the inner walls of the lamp shade (2), and mounting columns (210) are fixedly arranged at the bottoms of the lamp shade (2).
3. The automotive LED headlamp according to claim 1, wherein the propulsion mechanism comprises a second driving motor (211) fixedly mounted on the inner side wall of the lampshade (2) through a motor base and two mounting plates (212) fixedly mounted on the side face of the lamp holder (204), an output end of the second driving motor (211) is fixedly provided with a threaded rod (213) through a motor shaft, an outer surface thread of the threaded rod (213) is connected with a thread bush (214), two side faces, close to the mounting plates (212), of the mounting plates are fixedly provided with second sliding rails (215), a transverse moving plate (216) is movably connected between the side faces, close to the two second sliding rails (215), of the threaded rod (213) is movably connected with the side face of the transverse moving plate (216) through a bearing, and the top face and the bottom face of the thread bush (214) are fixedly connected with the upper mounting plate (212) and the lower mounting plate (212) through fixing blocks (217) respectively.
4. The illumination control system of the LED headlamp for the automobile is characterized by comprising an illumination control platform, wherein the illumination control platform is in communication connection with a data acquisition module, an execution module and a manual operation module, the data acquisition module is in communication connection with a vehicle condition analysis module, and the vehicle condition analysis module is in communication connection with the execution module;
the data acquisition module is used for acquiring data when the vehicle runs and sending the acquired data to the vehicle condition analysis module;
the vehicle condition analysis module is used for analyzing the running condition of the vehicle through the data acquired by the data acquisition module, and the specific vehicle running condition analysis process comprises the following steps:
step S1: acquiring a steering wheel angle signal, a vehicle speed signal and a rainwater signal through a CAN bus, wherein the steering wheel angle signal is an angle value ZJ of a steering wheel angle, the ZJ value is a negative value when the steering wheel rotates anticlockwise, the ZJ value is a positive value when the steering wheel rotates clockwise, the vehicle speed signal is the running speed XS of a vehicle, the unit is km/h, the rainwater signal is the current rainfall JY of an area where the vehicle is located, and the unit is mm;
step S2: analyzing steering wheel corner signals, vehicle speed signals and rainwater signals through a vehicle condition analysis model to generate automatic execution signals, and sending the automatic execution signals to an execution module, wherein the automatic execution signals are generated in a ZG (zero-g) mode;
the execution module receives the automatic execution signal and then controls the rotation direction and the rotation angle of the turntable (106).
5. The illumination control system for an LED headlamp for a vehicle according to claim 4, wherein the process of generating the automatic execution signal by the vehicle condition analysis model in step S2 comprises: calculating a steering wheel angle signal, a vehicle speed signal and a rainwater signal to obtain output power SC, and generating an automatic execution signal ZG by combining positive and negative values of the output power SC and ZJ, wherein the value of G is the numerical value of the output power SC, the value of Z is 0 or 1, and when the value of ZJ is a negative value, the value of Z is 0; when ZJ takes a positive value, Z takes a value of 1.
6. The illumination control system for an LED headlamp for a vehicle according to claim 5, wherein the process of controlling the rotation direction and the rotation angle of the dial (106) by the execution module in step S3 comprises: acquiring a value of ZG, and when the value of Z is 0, controlling the forward output power of the first driving motor (108) within L1 seconds to be adjusted to G by the execution module; when the value of Z is 1, the execution module controls the reverse output power of the first driving motor (108) in L1 seconds to be adjusted to G; l1 is a time constant.
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| CN202110988044.XA CN114572101B (en) | 2021-08-26 | 2021-08-26 | LED head lamp for automobile and illumination control system thereof |
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