CN115214454B - Intelligent control car lamp system and control method thereof - Google Patents
Intelligent control car lamp system and control method thereof Download PDFInfo
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- CN115214454B CN115214454B CN202210932493.7A CN202210932493A CN115214454B CN 115214454 B CN115214454 B CN 115214454B CN 202210932493 A CN202210932493 A CN 202210932493A CN 115214454 B CN115214454 B CN 115214454B
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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
- B60Q1/14—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 having dimming means
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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
- B60Q1/085—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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- 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
Abstract
The invention provides an intelligent control car lamp system and a control method thereof, wherein the system comprises a plurality of sensing modules for sensing the running state or running environment of a car, and a decision module for generating corresponding control instructions according to data analysis of the sensing modules; and a high-low beam integrated optical matrix for making light conversion in response to the control instruction of the decision module; the control method comprises the steps of acquiring data of a vehicle running state or running environment in real time, and analyzing the data according to preset rules to generate corresponding control instructions; and driving the high-low beam integrated optical matrix to make lamplight conversion. The decision rule is designed according to the visual field and the lighting requirement of the driving process, the switching of the car lamp, the far and near light switching, the brightness adjustment, the color temperature adjustment and the like are automatically realized according to different driving scenes, the hidden danger brought by improper light operation in meeting cars and in rainy and foggy days is avoided while the better driving visual field is ensured, and the driving experience is improved well.
Description
The application is a divisional application, the application number of the original application is 2021108351843, the application date is 2021, the month and 23, and the invention is named as an intelligent control car lamp system and a control method thereof.
Technical Field
The invention relates to an intelligent control car lamp system and a control method thereof.
Background
The intelligent driving technology is very different day by day, and convenience is brought to people's driving and possibility is provided for unmanned driving. At present, intelligent driving technology is mainly focused on researches on the aspects of travelling obstacle avoidance, speed control, lane monitoring, emergency braking and the like, but the aspect of car lamp control is also remained in a relatively original automatic control mode, namely, a main car lamp is switched on and off according to light darkness, a fog lamp is switched on and off according to rainfall and the like, and a large improvement space exists.
In fact, people often pay little attention to lamp control during driving, and even people do not know how to switch the high beam or not pay attention to the state of the high beam at all times, so hidden danger is brought to night driving and meeting, and therefore, lamp illumination control is related to driving vision and driving safety, and people more hope that the vehicle is provided with an intelligent lamp system capable of autonomously judging and controlling the lamps and guaranteeing driving vision, and the needs are urgently needed to be solved.
Disclosure of Invention
Based on the background technology, the invention provides an intelligent control car lamp system and a control method thereof, which are realized by adopting the following technical means:
the intelligent control car lamp system of the invention comprises:
the sensing modules are used for sensing the running state or running environment of the vehicle and comprise one or more of an optical sensing module, a speed module, a meeting module, a turning module, a temperature sensing module and a weather information module;
the decision module is used for generating corresponding control instructions according to the data analysis of the sensing module; and
the far-near light integrated optical matrix is used for responding to the control instruction of the decision-making module to make light transformation, and the light transformation comprises a light switch, a far-near light switch, brightness adjustment or color temperature adjustment.
The intelligent control car lamp control method comprises the following steps:
acquiring data of a running state or a running environment of a vehicle in real time, wherein the data comprise one or more of ambient illuminance, vehicle speed, meeting sensing, turning sensing, vehicle lamp temperature and weather information;
analyzing the data according to preset rules to generate corresponding control instructions;
and driving the high-low beam integrated optical matrix to make lamplight transformation, wherein the lamplight transformation comprises lamplight switch, high-low beam switching, brightness adjustment or color temperature adjustment.
In one or more embodiments of the present invention, when the illuminance of the environment is less than a first preset value and greater than a second preset value, the high-low beam integrated optical matrix is turned on to a low beam state and the brightness of the high-low beam integrated optical matrix is dynamically adjusted according to the illuminance; when the illuminance of the environment is smaller than a second preset value, starting the high-low beam integrated optical matrix to a high beam state; the first preset value is larger than the second preset value.
In one or more embodiments of the present invention, when the vehicle speed is greater than or equal to a third preset value, if the high beam and low beam integrated optical matrix is turned on and is in a low beam state, the matrix light type is gradually expanded, so that the vehicle lamp irradiates for a longer distance until the vehicle lamp is switched to a high beam state; when the vehicle speed falls back to be smaller than the third preset value, the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the high beam and low beam integrated optical matrix is switched to be in a low beam state.
In one or more embodiments of the present invention, when a vehicle or a person in front is detected, if the high beam and low beam integrated optical matrix is on and in a high beam state, switching to a low beam state; after the intersection with the vehicle or the person is completed, if the illuminance of the environment is smaller than a second preset value, switching the high-low beam integrated optical matrix back to a high beam state; if the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the low beam state is maintained.
In one or more embodiments of the present invention, when the vehicle turns and the turning angle is greater than or equal to a fourth preset value, if the high-low beam integrated optical matrix is turned on and is in a high beam state, then the high-low beam integrated optical matrix is maintained; if the high beam and low beam integrated optical matrix is started and is in a low beam state, switching to a high beam state; when the turning angle falls back to be smaller than a fourth preset value, if the illuminance of the environment is smaller than a second preset value, the high-low beam integrated optical matrix is kept in a high beam state; if the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the high-low beam integrated optical matrix is switched back to the low beam state.
In one or more embodiments of the present invention, when the temperature of the high-low beam integrated optical matrix is greater than or equal to a fifth preset value, the lamp current is forcibly reduced to make the brightness of the lamp be reduced to an intermediate brightness level, wherein the intermediate brightness level is 30-60% of the maximum brightness value of the lamp; and when the temperature falls back to be smaller than a fifth preset value, the forced is released.
In one or more embodiments of the present invention, after the forced switching to the middle brightness level, if the temperature is not reduced or the reduction rate is less than the sixth preset value, the brightness of the high-low beam integrated optical matrix is gradually or directly reduced from the middle brightness level to the lowest brightness level.
In one or more embodiments of the present invention, when the duration of the temperature of the high-low beam integrated optical matrix being greater than or equal to the fifth preset value exceeds the pre-warning threshold, an alarm signal is output.
In one or more embodiments of the present invention, a plurality of temperature value intervals are set, each of the color temperature value intervals corresponds to one of the color temperature values; in sunny days, according to the temperature value interval in which the current temperature falls, the high-low beam integrated optical matrix adjusts the corresponding color temperature value;
setting color temperature values corresponding to a cloudy day, a rainy day, a snowy day and a foggy day respectively; and judging whether the current weather is a cloudy weather, a rainy weather, a snowy weather or a foggy weather through the rainfall sensor or/and the networking cloud, starting the far-near light integrated optical matrix and the foglight, and adjusting the far-near light integrated optical matrix to a corresponding color temperature value.
The beneficial effects of the invention are as follows: decision rules are designed according to the visual field and lighting requirements of the driving process, the switching of the car lamps, the switching of high-low beam, the brightness adjustment, the color temperature adjustment and the like are automatically realized according to different driving scenes, the hidden danger brought by improper light operation in meeting cars and in rainy and foggy weather is avoided while the better driving visual field is ensured, and the driving experience is improved well.
Drawings
Fig. 1 is a schematic diagram of an intelligent control vehicle lamp system according to the present invention.
Fig. 2 is a logic diagram of the intelligent control vehicle lamp control method of the present invention.
Fig. 3 is a schematic diagram of command priorities of the intelligent control vehicle lamp control method according to the present invention.
Detailed Description
The present application is further described with reference to the accompanying drawings as follows:
referring to fig. 1, the intelligent control vehicle lamp system includes:
the system comprises a plurality of sensing modules 1 for sensing the running state or the running environment of the vehicle and a decision module 2 for generating corresponding control instructions according to data analysis of the sensing modules 1; and a high-low beam integrated optical matrix 3 for making a light conversion including a light switch, a high-low beam switch, a brightness adjustment or a color temperature adjustment in response to a control instruction of the decision module 2. Specifically, the sensing module 1 includes: the light sensing module 1-1 is used for sensing illumination intensity in a driving environment and generating corresponding illuminance data, and comprises a light sensor arranged at a front or central control position of a vehicle; the vehicle speed module 1-2 is used for acquiring current running speed data of the vehicle through a vehicle speed sensor or a running circuit; the vehicle meeting module 1-3 is used for detecting vehicles or pedestrians in a certain range in front of the vehicles and comprises a laser scanning radar arranged in front of the vehicles, and can be used for implementing vehicle meeting detection, front obstacle avoidance detection and the like; the turning module 1-4 is used for sensing the turning and the turning urgency degree of the vehicle and generating corresponding turning angle data, and comprises a steering wheel angle sensor; the temperature sensing module 1-5 is used for sensing the real-time temperature of the far and near light integrated optical matrix 3 and generating corresponding temperature data, and comprises a plurality of temperature probes arranged at the far and near light integrated optical matrix 3; weather information modules 1-6; the system is used for acquiring weather conditions, air temperatures, rainfall and the like of the current driving environment, comprises a rainfall sensor used for acquiring rainfall, and a controller which is networked with the cloud to download information of the weather conditions, the air temperatures and the like, wherein the controller is communicated with the cloud based on a mobile network such as 2G, 3G, 4G, 5G and the like.
Referring to fig. 2, the control method of the intelligent control car light system comprises the following steps:
acquiring data of a running state or a running environment of a vehicle in real time, wherein the data comprise one or more of ambient illuminance, vehicle speed, meeting sensing, turning sensing, vehicle lamp temperature and weather information;
analyzing the data according to preset rules to generate corresponding control instructions;
and driving the high-low beam integrated optical matrix to make lamplight transformation 3, wherein the lamplight transformation comprises lamplight switch, high-low beam switching, brightness adjustment or color temperature adjustment.
Specifically, the method comprises the following steps of data processing and execution judgment of driving scenes:
first, illuminance determination and lamp light conversion
When the illuminance of the environment is greater than a first preset value, starting a daytime running light 4;
when the illuminance of the environment is smaller than a first preset value and larger than a second preset value, starting the high-low beam integrated optical matrix 3 to a low beam state and dynamically adjusting the brightness of the high-low beam integrated optical matrix 3 according to the illuminance; when the illuminance of the environment is smaller than a second preset value, starting the high-low beam integrated optical matrix 3 to a high beam state; the first preset value is larger than the second preset value.
The first preset value and the second preset value are thresholds for determining illuminance, and the unit of the thresholds is Lux (Lux), which indicates the luminous flux received by the surface unit area of the light receiving main body.
Second, vehicle speed judgment and vehicle lamp light conversion
When the vehicle speed is greater than or equal to a third preset value, if the high-low beam integrated optical matrix 3 is started and is in a low beam state, switching to a high beam state; when the vehicle speed falls back to be smaller than the third preset value, the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the high-low beam integrated optical matrix 3 is switched to be in a low beam state.
The third preset value is a threshold value for speed determination, and the unit of the third preset value is "kilometer/hour", for example, the third preset value is set to 100 kilometers/hour, and the time for the speed to be greater than 100 kilometers/hour is shorter, so that the high-beam and low-beam integrated optical matrix 3 is switched to a high-beam state under the condition of no front vehicle or meeting, and the clear driving vision is more beneficial to the determination of the driver.
Third, judging the meeting and changing the lamp light of the car
When detecting that a vehicle or a person is in front, switching to a low beam state if the low-beam and high-beam integrated optical matrix 3 is started and is in a low beam state; after the intersection with the vehicle or the person is completed, if the illuminance of the environment is smaller than a second preset value, switching the high-low beam integrated optical matrix 3 back to the high beam state; if the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the low beam state is maintained.
Fourth, turn judgement and lamp light conversion
When the vehicle turns and the turning angle is larger than or equal to a fourth preset value, if the high-low beam integrated optical matrix 3 is started and is in a high beam state, the vehicle is kept; if the high beam and low beam integrated optical matrix 3 is started and is in a low beam state, switching to a high beam state; when the turning angle falls back to be smaller than a fourth preset value, if the illuminance of the environment is smaller than a second preset value, the high-low beam integrated optical matrix 3 is kept in a high beam state; if the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the high-low beam integrated optical matrix 3 is switched back to the low beam state.
When a vehicle meeting is carried out in front of the vehicle, the high beam and low beam integrated optical matrix 3 is switched to a low beam state, whether the vehicle is still in a turning state at present is detected after the vehicle meeting is finished, and if yes, the turning judgment and the vehicle lamp light conversion steps are executed.
The fourth preset value is a threshold value for judging the turning angle, and the unit of the fourth preset value is 'degree' or 'rad'; for example, the maximum turning angle of a general vehicle is between 30 and 40 degrees, so the fourth preset value can be set to 15 to 20 degrees, and when the turning angle of the vehicle is detected to be greater than 15 degrees, the high-low beam integrated optical matrix 3 is switched to a high beam state, which is beneficial for a driver to identify obstacles such as earth and stones and ditches in front, and also enables the coming vehicle to know that the vehicle is turning, so that the attention is improved.
Fifth, judging the temperature of the car lamp and changing the lamp light of the car lamp
When the temperature of the high-low beam integrated optical matrix 3 is greater than or equal to a fifth preset value, if the high-low beam integrated optical matrix is started and is in a high beam state, the high-low beam integrated optical matrix is forcedly switched to a low beam state; and when the temperature falls back to be smaller than a fifth preset value, the forced is released. After the forced switching to the low beam state, if the temperature is not reduced or the reduction rate is smaller than a sixth preset value, gradually or directly reducing the brightness of the high-low beam integrated optical matrix 3 to the lowest brightness level; and when the temperature falls back to be smaller than a fifth preset value, the forced is released. And outputting an alarm signal when the duration that the temperature of the high-low beam integrated optical matrix 3 is greater than or equal to the fifth preset value exceeds the early warning threshold.
The fifth preset value is a threshold value for judging the temperature of the car lamp, and the unit of the fifth preset value is 'DEG C'; the sixth preset value is a threshold value of the temperature decrease speed in "degrees celsius/second".
Sixth, weather judgment and lamp light conversion
Weather information is obtained through a rainfall sensor or/and a networking cloud, and comprises current weather conditions, air temperature and rainfall; in a sunny day, if the air temperature is greater than or equal to a seventh preset value, the high-low beam integrated optical matrix 3 is adjusted to a first color temperature; if the air temperature is smaller than a seventh preset value, the high-low beam integrated optical matrix 3 is adjusted to a second color temperature; in cloudy, rainy, snowy or foggy days, the high-low beam integrated optical matrix 3 and the foglight 5 are turned on, and the high-low beam integrated optical matrix 3 is adjusted to a second color temperature.
The seventh preset value is a threshold value for judging the air temperature, the unit of the seventh preset value is 'celsius', the first color temperature is white light, and the second color temperature is yellow light.
Referring to fig. 3, in the above control, the lamp temperature judgment and lamp light conversion are silent under the normal condition, but the command priority is highest, that is, the protection action is forced as long as the abnormal condition of the lamp temperature occurs, so as to ensure the continuous illumination of the lamp to the maximum extent; secondly, judging the illuminance, wherein the follow-up other judging scenes only exist on the premise of starting the car lamp through the illuminance judgment; then, the vehicle meeting, speed, turning, weather and other judgment and the vehicle lamp light conversion are carried out, and after the vehicle meeting, speed, turning and other vehicle lamp light conversion is carried out, the current state is kept or the original state is switched back by referring to illuminance judgment.
The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present application, and all such technical deductions, substitutions, improvements and the like which are made on the basis of the embodiments of the present application, are considered to be within the scope of protection of the present patent.
Claims (3)
1. The intelligent control car lamp control method is characterized by comprising the following steps of:
acquiring data of a vehicle running state or running environment in real time, wherein the data comprise ambient illuminance, vehicle speed, vehicle meeting sensing, turning sensing, vehicle lamp temperature and weather information;
analyzing the data according to preset rules to generate corresponding control instructions;
driving the far and near light integrated optical matrix to make lamplight transformation, wherein the lamplight transformation comprises lamplight switch, far and near light switching, brightness adjustment or color temperature adjustment;
when the illuminance of the environment is smaller than a first preset value and larger than a second preset value, starting the high-low beam integrated optical matrix to a low beam state and dynamically adjusting the brightness of the high-low beam integrated optical matrix according to the illuminance;
when the illuminance of the environment is smaller than a second preset value, starting the high-low beam integrated optical matrix to a high beam state; the first preset value is larger than the second preset value;
when the vehicle turns and the turning angle is larger than or equal to a fourth preset value, if the high beam and low beam integrated optical matrix is started and is in a high beam state, the vehicle is kept; if the high beam and low beam integrated optical matrix is started and is in a low beam state, switching to a high beam state;
when the turning angle falls back to be smaller than a fourth preset value, if the illuminance of the environment is smaller than a second preset value, the high-low beam integrated optical matrix is kept in a high beam state; if the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the high-low beam integrated optical matrix is switched to be in a low beam state,
when the vehicle speed is greater than or equal to a third preset value, if the high-low beam integrated optical matrix is started and is in a low beam state, switching to a high beam state;
when the vehicle speed falls back to be smaller than the third preset value, the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the high beam and low beam integrated optical matrix is switched to be in a low beam state,
when a vehicle or a person is detected to be in front, if the high beam and low beam integrated optical matrix is started and is in a high beam state, switching to a low beam state;
after the intersection with the vehicle or the person is completed, if the illuminance of the environment is smaller than a second preset value, switching the high-low beam integrated optical matrix back to a high beam state; if the illuminance of the environment is smaller than the first preset value and larger than the second preset value, the low beam state is maintained.
2. The intelligent control vehicle lamp control method according to claim 1, wherein:
after the forced switching to the middle brightness level, if the temperature is not reduced or the reduction rate is smaller than a sixth preset value, gradually or directly reducing the brightness of the high-low beam integrated optical matrix from the middle brightness level to the lowest brightness level;
and when the temperature falls back to be smaller than a fifth preset value, the forced is released.
3. The intelligent control vehicle lamp control method according to claim 2, characterized in that: and outputting an alarm signal when the duration time that the temperature of the high-low beam integrated optical matrix is greater than or equal to the fifth preset value exceeds the early warning threshold value.
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| CN114084063A (en) * | 2021-11-24 | 2022-02-25 | 岚图汽车科技有限公司 | Headlamp control system, control method and device |
| CN114179711A (en) * | 2021-12-21 | 2022-03-15 | 中山易事达光电科技有限公司 | Intelligent induction car lamp system and control method thereof |
| CN114364100A (en) * | 2022-01-12 | 2022-04-15 | 摩登汽车有限公司 | Control method of rear tail lamp of vehicle, vehicle control unit and vehicle |
| CN116872830B (en) * | 2023-09-05 | 2023-11-14 | 泰兴市新永诚车灯塑件有限公司 | Intelligent regulation and control method for automobile lamp |
| CN116923238B (en) * | 2023-09-19 | 2023-11-28 | 冠旗车联(深圳)科技有限公司 | Automobile headlamp adjusting method, device and system |
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| CN113386656A (en) | 2021-09-14 |
| CN115214454A (en) | 2022-10-21 |
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