CN213586382U - Control system of multi-light source headlamp - Google Patents
Control system of multi-light source headlamp Download PDFInfo
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- CN213586382U CN213586382U CN202022853677.3U CN202022853677U CN213586382U CN 213586382 U CN213586382 U CN 213586382U CN 202022853677 U CN202022853677 U CN 202022853677U CN 213586382 U CN213586382 U CN 213586382U
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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 utility model provides a control system of many light sources head-light, wherein, this system includes: the system comprises an environment detection module, a first driving module, a second driving module and a control module, wherein the environment detection module is used for detecting the current environment information of the vehicle; and the control module is respectively connected with the environment detection module, the first driving module and the second driving module, and is used for judging whether the current environment information of the vehicle meets the starting condition of the vehicle-mounted laser lamp or not, controlling the first driving module to enable the vehicle-mounted laser lamp to be turned on when the current environment information of the vehicle meets the starting condition of the vehicle-mounted laser lamp, and controlling the second driving module to enable the high beam lamp and the dipped headlight to be turned off. According to the utility model discloses a control system of many light sources head-light can intelligently control on-vehicle laser lamp effectively through combining the current environmental information of vehicle to the security and the reliability of vehicle have been improved greatly.
Description
Technical Field
The utility model relates to a car light control technology field, concretely relates to control system of many light sources head-light.
Background
As an indispensable functional component for a vehicle, a vehicle headlamp has been developed for over 100 years. With the development of technology, more and more vehicles are equipped with on-board laser lamps (laser headlamps).
However, in the related art, the vehicle-mounted laser lamp cannot be intelligently and effectively controlled, so that the safety and reliability of the vehicle are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned technical problem, provide a control system of many light sources head-light, can intelligently control on-vehicle laser lamp effectively through combining the current environmental information of vehicle to the security and the reliability of vehicle have been improved greatly.
The utility model adopts the technical scheme as follows:
a control system for a multiple light source headlamp comprising: the system comprises an environment detection module, a first driving module, a second driving module and a control module, wherein the environment detection module is used for detecting the current environment information of the vehicle; and the control module is respectively connected with the environment detection module, the first driving module and the second driving module, and is used for judging whether the current environment information of the vehicle meets the starting condition of the vehicle-mounted laser lamp or not, controlling the first driving module to enable the vehicle-mounted laser lamp to be turned on when the current environment information of the vehicle meets the starting condition of the vehicle-mounted laser lamp, and controlling the second driving module to enable the high beam lamp and the dipped headlight to be turned off.
The environment detection module includes: the vehicle body control unit, the photosensitive detection unit, the haze detection unit and the target detection unit are respectively connected with the control module, wherein the vehicle body control unit is used for detecting the current running speed of the vehicle; the photosensitive detection unit is used for detecting the ambient light brightness of the current environment of the vehicle; the haze detection unit is used for detecting the content of suspended particulate matters in the current environment of the vehicle; the target detection unit is used for detecting whether a target person exists within a preset distance in front of the vehicle.
The control module is connected with the photosensitive detection unit and the haze detection unit through AD signal lines respectively.
The control module is respectively connected with the vehicle body control unit and the target detection unit through a CAN bus.
The control module is specifically configured to: the method comprises the steps of recognizing and confirming that the current running speed of the vehicle is higher than a preset speed, judging that the starting condition of the vehicle-mounted laser lamp is met when the environment brightness of the current environment of the vehicle is lower than the preset environment brightness, the content of suspended particles in the current environment of the vehicle is lower than the preset content, and the target person is not detected within the preset distance in front of the vehicle.
The control module is respectively connected with the first drive module and the second drive module through LIN buses.
The first driving module and the second driving module are connected through a LIN bus.
The utility model has the advantages that:
the utility model discloses a combine the current environmental information of vehicle can intelligently control on-vehicle laser lamp effectively to the security and the reliability of vehicle have been improved greatly.
Drawings
Fig. 1 is a block diagram of a control system of a multi-light source headlamp according to an embodiment of the present invention;
fig. 2 is a block diagram of a control system for a multi-light source headlamp according to an embodiment of the present invention;
fig. 3 is a logic diagram of a control method for a multi-light-source headlamp according to an embodiment of the present invention;
fig. 4 is a flowchart of a control method for a multi-light-source headlamp according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a block schematic diagram of a control system for a multiple light source headlamp according to an embodiment of the present invention.
As shown in fig. 1, the control system of the multi-light source headlamp of the embodiment of the present invention may include: an environment detection module 100, a first driving module 200, a second driving module 300, and a control module 400.
The environment detection module 100 is configured to detect current environment information of a vehicle; the control module 400 is connected to the environment detection module 100, the first driving module 200 and the second driving module 300, respectively, and the control module 400 is configured to determine whether current environment information of the vehicle meets a turn-on condition of the vehicle-mounted laser light, and when determining that the current environment information meets the turn-on condition of the vehicle-mounted laser light, control the first driving module 200 to turn on the vehicle-mounted laser light, and control the second driving module 300 to turn off the high beam light and the low beam light.
According to an embodiment of the present invention, as shown in fig. 2, the environment detecting module 100 includes: the vehicle body control unit 110, the photosensitive detection unit 120, the haze detection unit 130 and the target detection unit 140 are respectively connected with the control module 400, wherein the vehicle body control unit 110 is used for detecting the current running speed of the vehicle; the photosensitive detection unit 120 is used for detecting the ambient light brightness of the current environment of the vehicle; the haze detection unit 130 is used for detecting the content of suspended particulate matters in the current environment of the vehicle; the object detection unit 140 is configured to detect whether an object person exists within a preset distance in front of the vehicle.
Specifically, the vehicle current environment information may include: the ambient light brightness of the current environment of vehicle, whether there is the target personage in the content of the suspended particulate matter and the preset distance in vehicle the place ahead in the current environment of vehicle, at the vehicle in-process of traveling, accessible automobile body the control unit 110 real-time detection vehicle current speed of traveling, and through the ambient light brightness of the current environment of vehicle of photosensitive detection unit 120 real-time detection, and through the content of the suspended particulate matter in the current environment of vehicle of haze detection unit 130 real-time detection, and whether there is the target personage in the preset distance in vehicle the place ahead through target detection unit 140 real-time detection. The vehicle body control unit 110 may include a vehicle speed sensor, the photosensitive detection unit 120 may include a photosensitive sensor, the haze detection unit 130 may include a smoke sensor, and the target detection unit 140 may include a millimeter wave radar.
The control module 400 is connected to the photosensitive detection unit 120 and the haze detection unit 130 through AD signal lines, respectively; the control module 400 is connected to the body control unit 110 and the object detection unit 140 through CAN buses, respectively.
According to an embodiment of the present invention, the control module 400 is specifically configured to: when the current running speed of the vehicle is identified and confirmed to be higher than the preset speed, the environmental brightness of the current environment of the vehicle is lower than the preset environmental brightness, the content of suspended particles in the current environment of the vehicle is lower than the preset content, and a target figure is not detected within the preset distance in front of the vehicle, the condition that the vehicle-mounted laser lamp is turned on is judged to be met.
Specifically, the control module 400 may compare the current running speed of the vehicle with a preset speed (e.g., 100km/h) after receiving the current running speed of the vehicle detected by the vehicle body control unit 110 through the CAN bus, and use that the current running speed of the vehicle is greater than the preset speed as one of the turn-on conditions of the on-board laser light (to improve accuracy, it may also be determined whether the current running speed of the vehicle is greater than the preset speed for a preset time, e.g., whether the duration is greater than 3 s); after receiving the ambient light brightness of the current environment of the vehicle detected by the photosensitive detection unit 110 through the AD signal line, the control module 400 may compare the ambient light brightness of the current environment of the vehicle with a preset ambient light brightness (e.g., 10lux), and set the ambient light brightness of the current environment of the vehicle smaller than the preset ambient light brightness as one of the turn-on conditions of the vehicle-mounted laser lamp; after receiving the content of the suspended particulate matter in the current environment of the vehicle detected by the haze detection unit 120 through the AD signal line, the control module 400 may compare the content of the suspended particulate matter in the current environment of the vehicle with a preset content, where it is considered that the particulate matter in the haze climate environment reflects light to a certain extent, and the on-board laser lamp has a high brightness, so that turning on the on-board laser lamp in the haze climate may easily cause visual dazzling interference to a driver of the vehicle and affect driving safety, and therefore, the content of the suspended particulate matter in the current environment of the vehicle may be smaller than the preset content (i.e., not in the haze weather) as one of the turning on conditions of the on-board laser lamp; the control module 400 may determine whether a target person exists within a preset distance (e.g., 300m ahead) in front of the vehicle according to the detection information after receiving the detection information of the target detection unit 130 through the CAN bus, and set one of the on-conditions of the on-vehicle laser lamp as the target person that is not detected within the preset distance in front of the vehicle. That is to say, when only satisfying above-mentioned condition simultaneously, the vehicle speed of traveling is greater than preset speed at present promptly, and the environment luminance of the current environment of vehicle is less than and predetermines the environment luminance, and the content of suspended particles thing is less than and predetermines the content in the current environment of vehicle, and when not detecting the target personage in the preset distance in vehicle the place ahead, judges the condition of opening that satisfies on-vehicle laser lamp, and at this moment, steerable on-vehicle laser lamp is lighted.
The control module 400 is connected to the first driving module 200 and the second driving module 300 through LIN buses, respectively. That is, when determining that the turn-on condition of the vehicle-mounted laser lamp is satisfied, the control module 400 may respectively send control instructions to the first driving module 200 and the second driving module 300 through the LIN bus to control the first driving module 200 so that the vehicle-mounted laser lamp is turned on, and control the second driving module 300 so that the high beam lamp and the low beam lamp are turned off.
Further, when the control module 400 determines that the on-condition of the vehicle-mounted laser lamp is not satisfied, that is, the current driving speed of the vehicle is less than a second preset speed (e.g., 90km/h), or the current ambient light brightness of the vehicle is greater than a second preset ambient light brightness (e.g., 30lux), or the current ambient light brightness of the vehicle is in haze weather, or a target person is detected within a preset distance in front of the vehicle, the control module may send control instructions to the first driving module 200 and the second driving module 300 through the LIN bus, so as to control the vehicle-mounted laser lamp to be turned off through the first driving module 200, and correspondingly control the high beam lamp and the low beam lamp through the second driving module 300, and simultaneously, correspondingly control the fog lamp.
For example, when the current environment of the vehicle is in a haze weather, the control module 400 may send a control instruction to the first driving module 200 and the second driving module 300 through the LIN bus, so as to control the on-vehicle laser lamp to be turned off through the first driving module 200 and control the fog lamp to be turned on through the second driving module 300; when the current driving speed of the vehicle is less than the second preset speed, the control module 400 may respectively send control instructions to the first driving module 200 and the second driving module 300 through the LIN bus, so as to control the on-vehicle laser light to be turned off through the first driving module 200, and control the high beam light or the low beam light to be turned on through the second driving module 300.
From this, according to real-time driving operating mode, realize the automatic switch-over between the multiple light source module automatically, can intelligently control on-vehicle laser lamp effectively, for the driver automatically, better provide the night illumination, improve the security of driving.
Further, according to the above embodiment, in order to reduce the amount of data processing and increase the execution efficiency of the entire system, a progressive determination method is adopted in signal processing.
Specifically, as shown in fig. 3, after the system is powered on, initialization setting is performed on each sensor and each module, and whether the system operates within a normal operating voltage range is determined, and if not, fault detection is performed until it is determined that the system operates within the normal operating voltage range. Starting an internal timer, judging whether the control module 400 receives CAN message information, if not, judging whether the duration time of not receiving the CAN message information is more than 5s, if so, recording a fault and giving an alarm, and at the moment, turning off the vehicle-mounted laser lamp; and if the CAN message information is received, judging whether the high beam needs to be controlled to be started or not. If the vehicle-mounted laser lamp is not needed, the vehicle-mounted laser lamp is controlled to be turned off, and if the vehicle-mounted laser lamp is needed, whether the vehicle running speed meets the starting condition or not is judged through the control module 400. If not, controlling the vehicle-mounted laser lamp to be turned off; if the preset speed is met, namely the running speed of the vehicle is continuously longer than the preset speed (for example, the running speed lasts for 3 seconds and is longer than 100km/h), further judging whether the environmental light brightness of the current environment of the vehicle meets the starting condition, and if the environmental light brightness does not meet the starting condition, controlling the vehicle-mounted laser lamp to be turned off; if the vehicle-mounted laser lamp meets the requirement, namely the environmental light brightness of the current environment of the vehicle is smaller than the preset environmental light brightness (for example, 10lux), further judging whether the current environment of the vehicle is in haze weather or not, and if so, controlling the vehicle-mounted laser lamp to be turned off; if not, further judging whether a target person (namely, other traffic participants) exists within a preset distance (for example, 300m ahead) in front of the vehicle, and if so, controlling the vehicle-mounted laser lamp to be turned off; and if the laser lamp does not exist, controlling the vehicle-mounted laser lamp to be turned on.
Therefore, the utility model discloses in not only having considered speed of a motor vehicle, ambient light brightness, whether having the influence of factors such as target personage in predetermineeing the scope, but also having considered opening vehicle laser lamp under special climatic environment such as haze and to the interference and the influence that this car driver caused, the situation of the country and hommization are pressed close to more to vehicle laser lamp's in-service use.
According to an embodiment of the present invention, the first driving module 200 and the second driving module 300 are connected to each other through a LIN bus.
Particularly, in an embodiment of the present invention, a communication line may be added between the first driving module 200 and the second driving module 300, so as to reduce the loss of function caused by the communication failure between the control module 400 and the single driving unit, eliminate potential safety hazards, and increase the robustness of the whole system.
To sum up, according to the utility model discloses control system of many light sources head-light detects the current environmental information of vehicle through environment detection module to and judge whether the current environmental information of vehicle satisfies the condition of opening of on-vehicle laser lamp through control module, and when judging the condition of opening that satisfies the on-vehicle laser lamp, control so that on-vehicle laser lamp lights to first drive module, and control so that far-reaching headlamp and passing lamp extinguish to second drive module. Therefore, the vehicle-mounted laser lamp can be intelligently and effectively controlled by combining the current environment information of the vehicle, so that the safety and the reliability of the vehicle are greatly improved.
The control system who corresponds the many light sources head-light of above-mentioned embodiment, the utility model discloses still provide a control method of many light sources head-light.
As shown in fig. 4, a control method for a multi-light source headlamp according to an embodiment of the present invention may include the following steps:
s401, detecting the current environment information of the vehicle.
S402, judging whether the current environment information of the vehicle meets the starting condition of the vehicle-mounted laser lamp, and driving the vehicle-mounted laser lamp to be started and driving the vehicle-mounted high beam lamp and the vehicle-mounted low beam lamp to be closed when judging that the current environment information of the vehicle meets the starting condition of the vehicle-mounted laser lamp.
It should be noted that, for a more specific implementation of the control system of the multi-light-source headlamp according to the embodiment of the present invention, reference may be made to the above-mentioned embodiment of the control method of the multi-light-source headlamp, which is not described herein again.
According to the utility model discloses control method of many light sources head-light detects the current environmental information of vehicle to and judge whether the current environmental information of vehicle satisfies the opening condition of on-vehicle laser lamp, and when judging the opening condition who satisfies the on-vehicle laser lamp, drive on-vehicle laser lamp and open, and drive on-vehicle high beam and on-vehicle passing lamp and close. Therefore, the vehicle-mounted laser lamp can be intelligently and effectively controlled by combining the current environment information of the vehicle, so that the safety and the reliability of the vehicle are greatly improved.
In view of the above, the present invention further provides a non-transitory computer readable storage medium.
The utility model discloses non-interim computer readable storage medium of embodiment stores computer program on, and this program realizes foretell many light source head-light's control method by the treater execution.
According to the utility model discloses non-interim computer readable storage medium can intelligently control on-vehicle laser lamp effectively through combining vehicle current environmental information to the security and the reliability of vehicle have been improved greatly.
Corresponding to the above embodiment, the present invention further provides a computer program product.
The instructions in the computer program product, when executed by a processor, may perform the method of controlling a multi-light-source headlamp of the above-described embodiments.
According to the utility model discloses computer program product can intelligently control on-vehicle laser lamp effectively through combining the current environmental information of vehicle to the security and the reliability of vehicle have been improved greatly.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. A control system for a multiple light source headlamp, comprising: an environment detection module, a first driving module, a second driving module and a control module, wherein,
the environment detection module is used for detecting the current environment information of the vehicle;
and the control module is respectively connected with the environment detection module, the first driving module and the second driving module, and is used for judging whether the current environment information of the vehicle meets the starting condition of the vehicle-mounted laser lamp or not, and controlling the first driving module to enable the vehicle-mounted laser lamp to be lightened and controlling the second driving module to enable the high beam lamp and the dipped headlight to be extinguished when judging that the current environment information of the vehicle meets the starting condition of the vehicle-mounted laser lamp.
2. The control system of the multi-light source headlamp of claim 1 wherein the environment detection module comprises: a vehicle body control unit, a photosensitive detection unit, a haze detection unit and a target detection unit which are respectively connected with the control module,
the vehicle body control unit is used for detecting the current running speed of the vehicle;
the photosensitive detection unit is used for detecting the ambient light brightness of the current environment of the vehicle;
the haze detection unit is used for detecting the content of suspended particulate matters in the current environment of the vehicle;
the target detection unit is used for detecting whether a target person exists within a preset distance in front of the vehicle.
3. The control system of the multi-light source headlamp as defined in claim 2, wherein the control module is connected to the photosensitive detection unit and the haze detection unit through AD signal lines, respectively.
4. The control system of the multi-light source headlamp of claim 3, wherein the control module is connected to the vehicle body control unit and the target detection unit through CAN buses, respectively.
5. The control system of the multi-light source headlamp of claim 4, wherein the control module is specifically configured to:
the method comprises the steps of recognizing and confirming that the current running speed of the vehicle is higher than a preset speed, judging that the starting condition of the vehicle-mounted laser lamp is met when the environment brightness of the current environment of the vehicle is lower than the preset environment brightness, the content of suspended particles in the current environment of the vehicle is lower than the preset content, and the target person is not detected within the preset distance in front of the vehicle.
6. The control system of the multiple-light-source headlamp as defined in claim 1, wherein the control module is connected to the first driving module and the second driving module via LIN buses, respectively.
7. The control system of the multi-light source headlamp according to any one of claims 1 to 6,
the first driving module and the second driving module are connected through a LIN bus.
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| CN114585133A (en) * | 2020-12-01 | 2022-06-03 | 常州星宇车灯股份有限公司 | Control system and method for multi-light source headlamp |
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| CN114585133A (en) * | 2020-12-01 | 2022-06-03 | 常州星宇车灯股份有限公司 | Control system and method for multi-light source headlamp |
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