CN120003374A - Vehicle lamp lighting method, system and vehicle lamp - Google Patents
Vehicle lamp lighting method, system and vehicle lamp Download PDFInfo
- Publication number
- CN120003374A CN120003374A CN202510499066.8A CN202510499066A CN120003374A CN 120003374 A CN120003374 A CN 120003374A CN 202510499066 A CN202510499066 A CN 202510499066A CN 120003374 A CN120003374 A CN 120003374A
- Authority
- CN
- China
- Prior art keywords
- resistor
- electrically connected
- capacitor
- chamber
- grounded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
-
- 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
-
- 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
- B60Q1/1415—Dimming circuits
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
-
- 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
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
本发明公开了一种车灯照明方法、系统及车灯，涉及照明技术领域，所述照明方法包括：获取外界光照强度，根据所述光照强度提示开启或关闭前照灯；当所述前照灯开启时，则获取所述前照灯的工作状态；当所述前照灯的工作状态为远光灯时，则检测获取前方车辆信息；当前方车辆信息为存在车辆时，则提示切换为近光灯。本申请的技术方案可以提示司机开关车灯，防止夜间后车司机没法看清前方车辆，也防止白天忘记关闭车灯浪费电能，还可以防止跟车时长期开启远光灯影响前车视野。
The present invention discloses a vehicle lighting method, system and vehicle lighting, and relates to the field of lighting technology. The lighting method comprises: obtaining the external light intensity, and prompting to turn on or off the headlight according to the light intensity; when the headlight is turned on, obtaining the working state of the headlight; when the working state of the headlight is the high beam, detecting and obtaining the vehicle information in front; when the vehicle information in front indicates that there is a vehicle, prompting to switch to the low beam. The technical solution of the present application can prompt the driver to turn on and off the headlight, preventing the driver of the following vehicle from not being able to see the vehicle in front clearly at night, preventing the driver from forgetting to turn off the headlight during the day and wasting electricity, and can also prevent the long-term turning on of the high beam when following the vehicle from affecting the vision of the vehicle in front.
Description
Technical Field
The invention relates to the technical field of illumination, in particular to a car lamp illumination method and system and a car lamp.
Background
The automobile lamp is a lamp arranged on a vehicle, and mainly plays roles of lighting and signals, and is of great importance. In the use process of the automobile lamp, the temperature in the automobile lamp can be continuously increased along with the increase of the use time, so that the service life of the automobile lamp is shortened.
Secondly, when using the vehicle at night, the road condition driver who runs into the street lamp that does not have opens the far-reaching headlamp, but after the far-reaching headlamp opens, when meeting or following the car condition, the driver often can forget to close the far-reaching headlamp, can lead to the driver's field of vision of oncoming traffic and preceding car to receive certain interference like this, although the oncoming traffic can be through far-reaching headlamp suggestion oncoming traffic in turn, but preceding car driver does not have suitable mode to point out the rear vehicle and closes the far-reaching headlamp, if long-term far-reaching headlamp follows the car for the preceding car can not clear the distance of seeing the rear car when changing the way, causes the traffic accident easily.
Disclosure of Invention
The invention aims to provide a car lamp lighting method, a car lamp lighting system and a car lamp, wherein when the working state of the car lamp is a high beam, front car information is detected and acquired, and when the front car information is a car, a prompt is switched to a low beam. So as to prevent the long-term opening of the high beam during the following from affecting the vision of the front vehicle.
In order to solve the technical problems, the invention adopts the following technical scheme:
An aspect of the embodiment of the invention provides a car lamp lighting method, which comprises the steps of obtaining external illumination intensity, prompting to turn on or off a head lamp according to the illumination intensity, obtaining a working state of the head lamp when the head lamp is turned on, detecting and obtaining front vehicle information when the working state of the head lamp is a high beam, and prompting to switch to a low beam when the front vehicle information is a vehicle.
In some embodiments, when the external illumination intensity is obtained and the headlamp is turned on or off according to the illumination intensity prompt, the illumination method comprises the steps of obtaining the external illumination intensity and obtaining the on-off state of the headlamp, prompting the headlamp to be turned on when the external illumination intensity is lower than a first preset threshold and the on-off state of the headlamp is in an off state, and prompting the headlamp to be turned off when the external illumination intensity is higher than the first preset threshold and the on-off state of the headlamp is in an on state.
In some embodiments, when the working state of the headlamp is a high beam, the front vehicle information is detected and acquired, and the lighting method comprises the steps of detecting the front vehicle information by using an ultrasonic sensor and an infrared laser radar, continuously detecting and acquiring the front vehicle information when the ultrasonic sensor and/or the infrared laser radar detect that the front vehicle information is a vehicle, and judging that the vehicle is present when the front vehicle information is continuously detected and acquired for a set time period and the front vehicle information within the set time period is not lost.
According to one aspect of the embodiment of the invention, a lighting system of a car lamp is provided, the lighting system adopts the lighting method, the lighting system comprises a light detection circuit and a first signal amplification circuit, wherein the output end of the light detection circuit is electrically connected with the input end of the first signal amplification circuit, the light detection circuit is used for converting an optical signal into an electric signal, an ultrasonic sensor and a second signal amplification circuit, the output end of the ultrasonic sensor is electrically connected with the input end of the second signal amplification circuit, an infrared laser radar and a third signal amplification circuit, the output end of the infrared laser radar is electrically connected with the input end of the third signal amplification circuit, a control module and a prompt module are respectively and electrically connected with the prompt module, the output end of the first signal amplification circuit, the output end of the second signal amplification circuit and the output end of the third signal amplification circuit, the lighting circuit comprises a first triode, a second resistor, a third resistor, a first capacitor, a second capacitor and a plurality of light source chips, the output end of the infrared laser radar is electrically connected with the input end of the third signal amplification circuit, the control module and the control module are respectively electrically connected with the output end of the prompt module, the output end of the second signal amplification circuit and the output end of the third signal amplification circuit, the lighting circuit comprises a first triode, a first resistor, a second resistor, a third resistor, a second resistor and a second capacitor and a third capacitor are respectively connected with the first resistor, a base electrode of the first resistor and a second resistor, the other end of the second capacitor and the emitter electrode of the first triode are grounded.
In some embodiments, the light detection circuit includes a comparator, a photodiode, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a third capacitor, a fourth capacitor, a fifth capacitor and a reference source circuit, wherein a negative electrode of the photodiode is electrically connected to a power supply through the fourth resistor, a positive electrode of the photodiode is electrically connected to one end of the fifth resistor and one end of the sixth resistor, the other end of the sixth resistor is electrically connected to one end of the third capacitor, a positive electrode of the fourth capacitor and an in-phase input end of the comparator, the other end of the fifth resistor, the other end of the third capacitor and the negative electrode of the fourth capacitor are grounded, an inverting input end of the comparator is electrically connected to the reference source circuit, an output end of the comparator is electrically connected to one end of the seventh resistor, the other end of the seventh resistor is electrically connected to one end of the fifth capacitor, and the other end of the fifth capacitor is grounded; the first signal amplifying circuit comprises a second triode, a third triode, an eighth resistor, a ninth resistor, a tenth resistor, a sixth capacitor and a seventh capacitor, wherein the base electrode of the second triode is electrically connected with the other end of the seventh resistor and one end of the fifth capacitor, the collector electrode of the second triode is electrically connected with one end of the eighth resistor, one end of the ninth resistor and one end of the sixth capacitor, the other end of the eighth resistor is electrically connected with a power supply, the other end of the ninth resistor is electrically connected with the base electrode of the third triode, the emitter electrode of the second triode and the other end of the sixth capacitor are grounded, the collector electrode of the third triode is electrically connected with one end of the control module, one end of the tenth resistor and one end of the seventh capacitor, the other end of the tenth resistor is electrically connected with a power supply, and the emitter of the third triode and the other end of the seventh capacitor are grounded.
In some embodiments, the reference source circuit comprises a fourth triode, a single pole double throw relay, a first zener diode, a second zener diode, a first diode, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, an eighth capacitor and a ninth capacitor, one end of the eleventh resistor is electrically connected to a power supply, the other end of the eleventh resistor is electrically connected to one end of the twelfth resistor and one end of the fourteenth resistor, the other end of the twelfth resistor is electrically connected to one end of the thirteenth resistor and one end of the fifteenth resistor, the other end of the thirteenth resistor is grounded, the other end of the fourteenth resistor is electrically connected to one end of the eighth capacitor, the other end of the eighth capacitor and the positive electrode of the first zener diode are grounded, the second contactor of the relay is electrically connected to the inverting input end of the comparator, the other end of the fifteenth resistor is electrically connected to one end of the fourteenth resistor and one end of the fourteenth resistor is electrically connected to the other end of the thirteenth resistor, the other end of the sixteenth resistor is connected to the negative electrode of the fourth resistor, the other end of the sixteenth resistor is connected to the negative electrode of the sixteenth resistor is electrically connected to the first contactor, the base electrode of the fourth triode is electrically connected with one end of the seventeenth resistor and the control module, and the other end of the seventeenth resistor is grounded.
In some embodiments, the second signal amplifying circuit and the third signal amplifying circuit have the same circuit structure, the second signal amplifying circuit includes a first operational amplifier, a second operational amplifier, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a twenty first resistor, a twenty second resistor, a twenty third resistor, and a twenty fourth resistor, the in-phase input end of the first operational amplifier is electrically connected to one end of the eighteenth resistor and one end of the nineteenth resistor, the other end of the eighteenth resistor is electrically connected to the output end of the ultrasonic sensor, the other end of the nineteenth resistor is electrically connected to the output end of the first operational amplifier, the inverting input end of the first operational amplifier is grounded through the twentieth resistor, the output end of the first operational amplifier is electrically connected to the in-phase input end of the second operational amplifier and one end of the twenty second resistor through the twenty first resistor, the other end of the twenty second resistor is electrically connected to the output end of the second operational amplifier, and the inverting input end of the second operational amplifier is electrically connected to the twenty fourth amplifier through the inverting input end of the twenty fourth resistor.
An aspect of the embodiment of the invention provides a car lamp, which is applied to the lighting system, and comprises a main board and a light source substrate, wherein the lighting circuit is arranged on the main board, the two sides of the light source substrate are provided with light source chips, the main board is electrically connected with the light source substrate, a first cooling fan for cooling the light source substrate, and a second cooling fan for cooling the main board, the main board is connected with and controls the first cooling fan and the second cooling fan, one end of the plug is electrically connected with a rectifier on the main board, the other end of the plug is electrically connected with an input power supply, the heat dissipation lamp housing comprises a first cavity, a second cavity, a third cavity and a fourth cavity which are sequentially communicated, through holes are formed in the end part of the first cavity and the end part of the fourth cavity, light transmission holes are formed in the two sides of the first cavity and the two sides of the third cavity, the first cooling fan is arranged in the first cavity, the other end of the plug is arranged in the first cavity, the second cavity is arranged in the second cavity, and the other end of the plug is arranged in the second cavity.
In some embodiments, the light source substrate is electrically connected with a fan terminal, the first heat dissipation fan is electrically connected with the fan terminal, the main board is provided with a mounting opening, and the second heat dissipation fan is mounted in the mounting opening and is electrically connected with the main board.
In some embodiments, the fourth chamber is communicated with the side wall of the third chamber, a through hole is formed at the end part of the third chamber, and heat conduction pipes are arranged at two sides of the light source substrate.
The vehicle lamp lighting method, the system and the vehicle lamp have the advantages that the outside illumination intensity is obtained, and the front lamp is prompted to be turned on or turned off according to the outside illumination intensity, so that the situation that a rear driver forgets to turn on the lamp under the condition that the street lamp exists is prevented from being capable of clearly seeing a front vehicle, and meanwhile, the situation that the driver forgets to turn off the vehicle lamp in the daytime is prevented from wasting electric energy. And when the front vehicle information is that a vehicle exists, prompting to switch to a dipped headlight. So as to prevent the long-term opening of the high beam during the following from affecting the vision of the front vehicle. According to the application, the ultrasonic sensor and the infrared laser radar are adopted to detect the information of the vehicle in front, so that the detection accuracy is improved. The reference source of the reference circuit is switched through the single-pole double-throw relay, so that the first preset threshold value can be changed, and the method has practicability.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a lamp lighting system according to an embodiment;
FIG. 2 is a schematic diagram of an illumination detection circuit and a first signal amplification circuit according to an embodiment;
FIG. 3 is a schematic diagram of a reference source circuit according to an embodiment;
FIG. 4 is a schematic diagram of a second signal amplification circuit according to an embodiment;
FIG. 5 is a schematic diagram of a heat dissipating circuit according to an embodiment;
fig. 6 is a schematic diagram of a lamp structure according to the first embodiment;
Fig. 7 is an exploded view of the lamp according to the first embodiment;
Fig. 8 is a schematic diagram of a lamp structure of a second embodiment;
fig. 9 is an exploded view of a lamp according to a second embodiment.
The reference numerals are as follows, 1, a main board, 2, a light source substrate, 3, a first heat radiation fan, 4, a second heat radiation fan, 5, a plug, 6, a heat radiation lamp shell, 7, a first chamber, 8, a second chamber, 9, a third chamber, 10, a fourth chamber, 11, a heat radiation port, 12, a light transmission port, 13, a heat conduction pipe, 14, a fan terminal, 15 and an installation port.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "connected," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The described flow steps are merely exemplary and do not necessarily include all of the content and operations/steps nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments may be embodied in many different forms and should not be construed as limited to the examples set forth herein, but rather, the example embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted.
The following describes a lighting method of a vehicle lamp according to an embodiment of the present application:
According to some embodiments, the present application provides a vehicle lamp lighting method, the lighting method comprising:
step 100, obtaining the external illumination intensity, and starting or closing the head lamp according to the illumination intensity prompt;
step 200, when the head lamp is started, acquiring the working state of the head lamp;
Step 300, when the working state of the headlamp is a high beam, detecting and acquiring front vehicle information;
step 400, when the front vehicle information is that there is a vehicle, the prompt is switched to the dipped headlight.
Based on the above embodiment, in step 100, the lighting method specifically includes:
step 101, obtaining the external illumination intensity and the on-off state of a headlamp;
102, when the external illumination intensity is lower than a first preset threshold value and is at night, and the on-off state of the headlamp is an off state, prompting to turn on the headlamp;
When the external illumination intensity is higher than a first preset threshold value and is the daytime, and the on-off state of the headlamp is the on state, the headlamp is prompted to be turned off.
The first preset threshold value can be set according to actual requirements.
Further, in step 300, when the working state of the headlamp is a high beam, the lighting method includes:
Step 301, detecting information of a front vehicle by adopting an ultrasonic sensor and an infrared laser radar;
step 302, when the ultrasonic sensor and/or the infrared laser radar detect that the front vehicle information is the existing vehicle, continuously detecting and acquiring the front vehicle information;
And when the front vehicle information is continuously detected and acquired for a set time period and the front vehicle information in the set time period is not lost, judging that the vehicle exists.
The set time length can be set according to actual demands, and the front vehicle information can be continuously detected and acquired to reach the set time length, so that false detection can be prevented. The ultrasonic sensor and the infrared laser radar are adopted for detection together, so that the detection accuracy can be improved.
According to the application, the front lamp is turned on or turned off according to the prompt of the external illumination intensity, so that the situation that a rear vehicle driver cannot clearly see the front vehicle clearly due to forgetting to turn on the lamp under the condition of the street lamp is prevented, and meanwhile, the situation that the electric energy is wasted due to forgetting to turn off the lamp in the daytime is also prevented. And when the front vehicle information is that a vehicle exists, prompting to switch to a dipped headlight. So as to prevent the long-term opening of the high beam during the following from affecting the vision of the front vehicle.
The following is a brief description of a lamp lighting system according to an embodiment of the present application:
according to some embodiments, as shown in fig. 1, the present application provides a vehicle lamp lighting system, which is controlled by the above lighting method, and the lighting system includes:
the output end of the illumination detection circuit is electrically connected with the input end of the first signal amplification circuit, the illumination detection circuit is used for converting the optical signal into an electric signal;
The output end of the ultrasonic sensor is electrically connected with the input end of the second signal amplifying circuit;
the output end of the infrared laser radar is electrically connected with the input end of the third signal amplifying circuit;
the control module is electrically connected with the prompting module, the output end of the first signal amplifying circuit, the output end of the second signal amplifying circuit and the output end of the third signal amplifying circuit respectively;
The LED lighting device comprises a lighting circuit, wherein the lighting circuit comprises a first triode Q1, a first resistor R1, a second resistor R2, a third resistor R3, a first capacitor C1, a second capacitor C2 and a plurality of parallel LED light source chips, wherein the base electrode of the first triode Q1 is electrically connected with one end of the first resistor R1, one end of the second resistor R2 and one end of the first capacitor C1, the other end of the first resistor R1 is electrically connected with a control module, the other end of the second resistor R2 and the other end of the first capacitor C1 are grounded, the collector electrode of the first triode Q1 is electrically connected with the negative electrode of the LED light source chip, the positive electrode of the LED light source chip is electrically connected with one end of the third resistor R3 and one end of the second capacitor C2, the other end of the third resistor R3 is electrically connected with a power supply, and the other end of the second capacitor C2 and the emitter of the first triode Q1 are grounded.
The working principle of the embodiment is that the control module obtains the external illumination intensity detected by the illumination detection circuit through the first signal amplification circuit, the control module obtains the front vehicle information detected by the ultrasonic sensor through the second signal amplification circuit, and the control module obtains the front vehicle information detected by the infrared laser radar through the third signal amplification circuit.
When the external illumination intensity is higher than the first preset threshold value, the control module prompts the headlamp to be turned on through the prompting module, and when the external illumination intensity is in the daytime and the switching state of the headlamp is in the on state, the control module prompts the headlamp to be turned off through the prompting module.
When the information of the front vehicle is that the vehicle exists, the control module prompts switching to the dipped headlight through the prompting module. Wherein, the prompt module can be a display prompt and/or a language prompt.
When the control module needs to control the LED light source chip to be lightened, the control module outputs a high-level signal to the base electrode of the first triode Q1, the first triode Q1 is conducted, and the LED light source chip is lightened. As shown in fig. 1, there are a plurality of LED light source chips connected in parallel to provide illumination.
The lamp lighting system of the present application will be further elaborated with reference to fig. 1 to 5 of the present specification.
According to some embodiments, as shown in fig. 2, the light detection circuit includes a comparator UC, a photodiode DP, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, and a reference source circuit, which are specifically connected in the following manner,
The cathode of the photodiode DP is electrically connected with a power supply through a fourth resistor R4, the anode of the photodiode DP is electrically connected with one end of a fifth resistor R5 and one end of a sixth resistor R6, the other end of the sixth resistor R6 is electrically connected with one end of a third capacitor C3, the anode of the fourth capacitor C4 and the in-phase input end of a comparator UC, the other end of the fifth resistor R5, the other end of the third capacitor C3 and the cathode of the fourth capacitor C4 are grounded, the inverting input end of the comparator UC is electrically connected with a reference source circuit, the output end of the comparator UC is electrically connected with one end of a seventh resistor R7, the other end of the seventh resistor R7 is electrically connected with one end of the fifth capacitor C5, and the other end of the fifth capacitor C5 is grounded;
the first signal amplifying circuit comprises a second triode Q2, a third triode Q3, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a sixth capacitor C6 and a seventh capacitor C7 which are connected in the following way,
The base of the second triode Q2 is electrically connected with the other end of the seventh resistor R7 and one end of the fifth capacitor C5, the collector of the second triode Q2 is electrically connected with one end of the eighth resistor R8, one end of the ninth resistor R9 and one end of the sixth capacitor C6, the other end of the eighth resistor R8 is electrically connected with a power supply, the other end of the ninth resistor R9 is electrically connected with the base of the third triode Q3, the emitter of the second triode Q2 and the other end of the sixth capacitor C6 are grounded, the collector of the third triode Q3 is electrically connected with a control module, one end of the tenth resistor R10 and one end of the seventh capacitor C7, the other end of the tenth resistor R10 is electrically connected with the power supply, and the emitter of the third triode Q3 and the other end of the seventh capacitor C7 are grounded.
The working principle of the above embodiment is that when the external illumination intensity is high, the in-phase input end voltage of the comparator UC is higher than the reverse-phase input end voltage, the comparator UC outputs a high-level signal, the first signal amplifying circuit amplifies the signal and outputs the signal to the control module, and the control module determines that the external illumination intensity is high after receiving the high-level signal through the first signal amplifying circuit.
When the external illumination intensity is low, the voltage of the inverting input end of the comparator UC is higher than the voltage of the non-inverting input end, the comparator UC outputs a low-level signal, the first signal amplifying circuit amplifies the signal and outputs the signal to the control module, and the control module judges that the external illumination intensity is low after receiving the low-level signal through the first signal amplifying circuit.
According to some embodiments, as shown in fig. 3, the reference source circuit includes a fourth transistor Q4, a single pole double throw relay K, a first zener diode DZ1, a second zener diode DZ2, a first diode D1, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, an eighth capacitor C8, and a ninth capacitor C9, which are specifically connected in the following manner,
One end of the eleventh resistor R11 is electrically connected with a power supply, the other end of the eleventh resistor R11 is electrically connected with one end of the twelfth resistor R12 and one end of the fourteenth resistor R14, the other end of the twelfth resistor R12 is electrically connected with one end of the thirteenth resistor R13 and one end of the fifteenth resistor R15, the other end of the thirteenth resistor R13 is grounded, the other end of the fourteenth resistor R14 is electrically connected with one end of the eighth capacitor C8, the negative electrode of the first voltage stabilizing diode DZ1 and the first contactor of the relay K, the other end of the eighth capacitor C8 and the positive electrode of the first voltage stabilizing diode DZ1 are grounded, the second contactor of the relay K is electrically connected with the inverting input end of the comparator UC, the other end of the fifteenth resistor R15 is electrically connected with one end of the ninth capacitor C9, the negative electrode of the second voltage stabilizing diode DZ2 and the third contactor of the relay K, the other end of the ninth capacitor C9 and the positive electrode of the second voltage stabilizing diode DZ2 are grounded, the second contactor of the relay K is in a normally-closed state, the other end of the second contactor of the relay is connected with the negative electrode of the fourth resistor D4, the other end of the relay K is connected with the negative electrode of the third resistor R4, the other end of the triode R4 is connected with the negative electrode of the seventeenth resistor R4, and the other end of the triode R4 is connected with the other end of the triode R4, and the triode R4 is connected with the other end of the seventeenth resistor R1.
The working principle of the embodiment is that when the external illumination intensity is lower than a first preset threshold value and is at night, and the on-off state of the headlamp is at an off state, the control module prompts the headlamp to be turned on through the prompting module, and when the external illumination intensity is higher than the first preset threshold value and is at daytime and the on-off state of the headlamp is at an on state, the control module prompts the headlamp to be turned off through the prompting module.
As shown in fig. 3, when the coil end of the relay K is not energized, the second contactor and the third contactor are in a normally closed state, and at this time, the first preset threshold value is set relatively low. After the control module outputs a high-level signal to the base electrode of the fourth triode Q4, the coil end of the relay K is electrified, the relay K is converted into a first contactor and a second contactor to be closed, and at the moment, the first preset threshold value is set to be higher. The first diode D1 is used for freewheeling when the coil end of the relay K is just disconnected.
According to the application, the reference source of the reference circuit is switched through the single-pole double-throw relay K, so that the first preset threshold value can be changed, and the practicability is realized.
According to some embodiments, as shown in fig. 4, the circuit structures of the second signal amplifying circuit and the third signal amplifying circuit are the same, the second signal amplifying circuit includes a first operational amplifier UA1, a second operational amplifier UA2, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-third resistor R23, and a twenty-fourth resistor R24, which are specifically connected in the following manner,
The non-inverting input end of the first operational amplifier UA1 is electrically connected with one end of an eighteenth resistor R18 and one end of a nineteenth resistor R19, the other end of the eighteenth resistor R18 is electrically connected with the output end of the ultrasonic sensor, the other end of the nineteenth resistor R19 is electrically connected with the output end of the first operational amplifier UA1, the inverting input end of the first operational amplifier UA1 is grounded through a twenty-first resistor R20, the output end of the first operational amplifier UA1 is electrically connected with the non-inverting input end of a second operational amplifier UA2 and one end of a twenty-second resistor R22 through a twenty-first resistor R21, the other end of the twenty-second resistor R22 is electrically connected with the output end of the second operational amplifier UA2, the inverting input end of the second operational amplifier UA2 is grounded through a twenty-third resistor R23, and the output end of the second operational amplifier UA2 is electrically connected with the control module through a twenty-fourth resistor R24.
According to some embodiments, as shown in fig. 5, the lighting system further includes a heat dissipating circuit electrically connected to the control module, the heat dissipating circuit including a fifth transistor Q5, a second diode D2, a twenty-fifth resistor R25, a twenty-sixth resistor R26, and a tenth capacitor C10, which are specifically connected as follows,
The collector of the fifth triode Q5 is electrically connected with a power supply, the base of the fifth triode Q5 is electrically connected with the control module through a twenty-fifth resistor R25, the emitter of the fifth triode Q5 is electrically connected with the cathode of a second diode D2 and one end of a tenth capacitor C10, the anode of the second diode D2 and the other end of the tenth capacitor C10 are electrically connected with one end of a twenty-sixth resistor R26, the other end of the twenty-sixth resistor R26 is grounded, the emitter of the fifth triode Q5 is used for being electrically connected with a first electrode of a radiator fan, and one end of the twenty-sixth resistor R26 is used for being electrically connected with a second electrode of the radiator fan.
The working principle of the above embodiment is that when the control module outputs a high level signal to the base electrode of the fifth triode Q5, the fifth triode Q5 is turned on, and the heat dissipation fan works. When the control module outputs a low-level signal to the base electrode of the fifth triode Q5, the fifth triode Q5 is cut off, and the cooling fan stops working. The second diode D2 is used for freewheeling an inductive element inside the radiator fan when the radiator fan stops operating.
The following describes a vehicle lamp according to an embodiment of the present application with reference to fig. 6 to 9 of the present specification:
according to some embodiments, the present application provides a vehicle lamp applied to the lighting system as above, the vehicle lamp comprising:
The LED light source comprises a main board 1 and a light source substrate 2, wherein an illumination circuit and a heat dissipation circuit are arranged on the main board 1, LED light source chips are arranged on two sides of the light source substrate 2, and the main board 1 is electrically connected with the light source substrate 2;
a first heat radiation fan 3 for radiating heat to the light source substrate 2, and a second heat radiation fan 4 for radiating heat to the main board 1, wherein the main board 1 is connected with the first heat radiation fan 3 and the second heat radiation fan 4;
the plug 5, one end of the plug 5 is electrically connected with the rectifier on the main board 1, and the other end of the plug 5 is used for electrically connecting an input power supply;
The heat dissipation lamp housing 6, the heat dissipation lamp housing 6 comprises a first chamber 7, a second chamber 8, a third chamber 9 and a fourth chamber 10 which are sequentially communicated, the end parts of the first chamber 7 and the end parts of the fourth chamber 10 are provided with through holes, the two sides of the first chamber 7 and the two sides of the third chamber 9 are provided with heat dissipation holes 11, and the two sides of the second chamber 8 are provided with light transmission holes 12;
The first cooling fan 3 is disposed in the first chamber 7, the light source substrate 2 is disposed in the second chamber 8, the main board 1 and the second cooling fan 4 are disposed in the third chamber 9, and the other end of the plug 5 is disposed in the fourth chamber 10.
Wherein, plug 5 can set up three plugs or two plugs according to actual demand. The application is not limited.
Specifically, in the first embodiment, as shown in fig. 6 to 7, the first chamber 7, the second chamber 8, the third chamber 9, and the fourth chamber 10 are sequentially arranged in line communication.
The light source substrate 2 is electrically connected to a fan terminal 14, and the first heat radiation fan 3 is electrically connected to the fan terminal 14.
As shown in fig. 7, an installation opening 15 is formed at one end of the main board 1, and the second heat radiation fan 4 is installed in the installation opening 15. When the main board 1 is placed horizontally, the mounting opening 15 penetrates through the upper side and the lower side of the main board 1, and the second cooling fan 4 is connected with the inner side wall of the mounting opening 15. The mounting port 15 divides the air inlet end face or the air outlet end face of the second cooling fan 4 into two parts, one part is arranged at the upper end of the main board 1 and used for cooling the upper end face of the main board 1, and the other part is arranged at the lower end of the main board 1 and used for cooling the lower end face of the main board. For better heat dissipation, the mounting opening 15 is arranged at one end of the main board 1, and after the second heat dissipation fan 4 is mounted at the mounting opening 15, the air inlet end face or the air outlet end face of the second heat dissipation fan 4 is opposite to the other end of the main board 1. The other end of the main board 1 is mainly used for placing circuit wiring and electronic components, and the heat generated during power-up can be just dissipated by the second cooling fan 4.
The air inlet end face or the air outlet end face of the first cooling fan 3 faces the light source substrate 2, one part of the air inlet end face or the air outlet end face of the first cooling fan 3 is arranged at the upper end of the light source substrate 2 and used for radiating heat of the upper end face of the light source substrate 2, and the other part of the air inlet end face or the air outlet end face of the first cooling fan is arranged at the lower end of the light source substrate 2 and used for radiating heat of the lower end face of the light source substrate 2. The through-hole of the first chamber 7 and the heat radiation hole 11 assist the first heat radiation fan 3 to radiate heat.
The second heat radiation fan 4 radiates heat through the heat radiation port 11 of the third chamber 9.
The light source substrate 2 is illuminated to the outside through the light-transmitting opening 12.
In the second embodiment, as shown in fig. 8 to 9, the first chamber 7, the second chamber 8 and the third chamber 9 are sequentially arranged in a straight line, the fourth chamber 10 is communicated with the side wall of the third chamber 9, and a through hole is formed at the end part of the third chamber 9.
The light source substrate 2 is electrically connected to a fan terminal 14, and the first heat radiation fan 3 is electrically connected to the fan terminal 14.
The main board 1 is vertically arranged at one side of the third chamber 9 communicated with the fourth chamber 10 so as to provide a mounting space for the second cooling fan 4 and facilitate connection of the plug 5. The second heat radiation fan 4 radiates heat through the heat radiation port 11 and the through port of the third chamber 9.
The air inlet end face or the air outlet end face of the first cooling fan 3 faces the light source substrate 2, one part of the air inlet end face or the air outlet end face of the first cooling fan 3 is arranged at the upper end of the light source substrate 2 and used for radiating heat of the upper end face of the light source substrate 2, and the other part of the air inlet end face or the air outlet end face of the first cooling fan is arranged at the lower end of the light source substrate 2 and used for radiating heat of the lower end face of the light source substrate 2. The through-hole of the first chamber 7 and the heat radiation hole 11 assist the first heat radiation fan 3 to radiate heat.
The light source substrate 2 is illuminated to the outside through the light-transmitting opening 12.
Heat pipes 13 are also provided on both sides of the light source substrate 2 to facilitate heat dissipation.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
While the present disclosure has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration rather than of limitation. As the present disclosure may be embodied in several forms without departing from the spirit or essential attributes thereof, it should be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalences of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510499066.8A CN120003374A (en) | 2025-04-21 | 2025-04-21 | Vehicle lamp lighting method, system and vehicle lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510499066.8A CN120003374A (en) | 2025-04-21 | 2025-04-21 | Vehicle lamp lighting method, system and vehicle lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN120003374A true CN120003374A (en) | 2025-05-16 |
Family
ID=95661247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510499066.8A Pending CN120003374A (en) | 2025-04-21 | 2025-04-21 | Vehicle lamp lighting method, system and vehicle lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120003374A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537003A (en) * | 1994-04-08 | 1996-07-16 | Gentex Corporation | Control system for automotive vehicle headlamps and other vehicle equipment |
| US20050131607A1 (en) * | 1995-06-07 | 2005-06-16 | Automotive Technologies International Inc. | Method and arrangement for obtaining information about vehicle occupants |
| CN202274296U (en) * | 2011-10-26 | 2012-06-13 | 上海市电力公司 | Portable solar energy movable lighting system |
| CN107340466A (en) * | 2016-04-28 | 2017-11-10 | 中芯国际集成电路制造(上海)有限公司 | Analog signal detection system and analog signal detection method |
| CN109982472A (en) * | 2017-12-27 | 2019-07-05 | 西安智盛锐芯半导体科技有限公司 | A kind of adjustable LED light string of brightness |
| CN110588499A (en) * | 2019-09-05 | 2019-12-20 | 池州学院 | A system and method for adaptive control of headlights based on machine vision |
| CN217785007U (en) * | 2022-08-22 | 2022-11-11 | 广州市天盛电子科技有限公司 | Double-fan LED automobile headlamp |
| CN221843964U (en) * | 2024-03-27 | 2024-10-18 | 云南电投绿能科技有限公司 | Intelligent lighting helmet |
-
2025
- 2025-04-21 CN CN202510499066.8A patent/CN120003374A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537003A (en) * | 1994-04-08 | 1996-07-16 | Gentex Corporation | Control system for automotive vehicle headlamps and other vehicle equipment |
| US20050131607A1 (en) * | 1995-06-07 | 2005-06-16 | Automotive Technologies International Inc. | Method and arrangement for obtaining information about vehicle occupants |
| CN202274296U (en) * | 2011-10-26 | 2012-06-13 | 上海市电力公司 | Portable solar energy movable lighting system |
| CN107340466A (en) * | 2016-04-28 | 2017-11-10 | 中芯国际集成电路制造(上海)有限公司 | Analog signal detection system and analog signal detection method |
| CN109982472A (en) * | 2017-12-27 | 2019-07-05 | 西安智盛锐芯半导体科技有限公司 | A kind of adjustable LED light string of brightness |
| CN110588499A (en) * | 2019-09-05 | 2019-12-20 | 池州学院 | A system and method for adaptive control of headlights based on machine vision |
| CN217785007U (en) * | 2022-08-22 | 2022-11-11 | 广州市天盛电子科技有限公司 | Double-fan LED automobile headlamp |
| CN221843964U (en) * | 2024-03-27 | 2024-10-18 | 云南电投绿能科技有限公司 | Intelligent lighting helmet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6773154B2 (en) | Automotive lighting device | |
| KR101345350B1 (en) | Automotive lamp module and lighting unit with led lighting element | |
| US20170305328A1 (en) | Lighting device and vehicle lighting system with same | |
| JPH0512177B2 (en) | ||
| US20110285291A1 (en) | Control unit for controlling an illumination device for a motor vehicle as well as an illumination device for a motor vehicle with such a control unit | |
| CN104290647A (en) | Vehicular headlamp | |
| JP2008103086A (en) | Vehicular lighting fixture | |
| CN218762991U (en) | Waterproof type car LED car light | |
| JP4148910B2 (en) | Signal transmission system and vehicle lamp | |
| CN209876773U (en) | Car light subassembly and vehicle | |
| CN120003374A (en) | Vehicle lamp lighting method, system and vehicle lamp | |
| CN207995477U (en) | Vehicular illumination device and lamps apparatus for vehicle | |
| CN115384396B (en) | New energy automobile car light and subassembly based on laser rangefinder technique | |
| CN210852217U (en) | Car light control device | |
| CN211280806U (en) | Automobile bulb module capable of automatically switching high beam mode and low beam mode | |
| CN212447886U (en) | Electric motor car brake lamp control system | |
| CN209876774U (en) | Car light subassembly and vehicle | |
| CN214249433U (en) | LED strip car lamp | |
| CN219735075U (en) | LED automobile lamp with lens | |
| CN222366412U (en) | An intelligent light controller controlled by Hall induction and a lighting system for a car armrest box, a lighting system for a car glove box and a lighting system for a car charging port cover using the same | |
| CN214822891U (en) | Automatic control device for automobile headlamp | |
| CN217843715U (en) | Nondestructive vehicle lamp | |
| CN212298845U (en) | Near-far light combined vehicle lamp | |
| CN119052981A (en) | Intelligent thermal protection system and method for automobile headlamp | |
| CN208745881U (en) | A kind of intelligent darkening LED automobile headlamp of microwave control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |