CN117644814A - Front color projection lamp system based on angular velocity sensor and working method thereof - Google Patents
Front color projection lamp system based on angular velocity sensor and working method thereof Download PDFInfo
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- CN117644814A CN117644814A CN202311729789.XA CN202311729789A CN117644814A CN 117644814 A CN117644814 A CN 117644814A CN 202311729789 A CN202311729789 A CN 202311729789A CN 117644814 A CN117644814 A CN 117644814A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The embodiment of the invention discloses a front color projection lamp system based on an angular velocity sensor and a working method thereof, wherein the system comprises the following components: the device comprises a lamp control unit, an angular velocity sensor and an optical module, wherein the angular velocity sensor is connected with the lamp control unit; the optical module is connected with the lamp control unit; the angular velocity sensor is used for acquiring the speed, acceleration and direction information of the running of the vehicle to form acquisition signals; the lamp control unit is used for outputting a corresponding driving signal according to the acquisition signal; and the optical module is used for displaying the light effects of different scenes according to the driving signals. The system of the embodiment of the invention can realize that the color projection lamp at the front part can be intelligently controlled, and does not depend on a BCM and an intelligent driving system independently.
Description
Technical Field
The invention relates to the technical field of automobile lamps, in particular to a front color projection lamp system based on an angular velocity sensor and a working method thereof.
Background
At present, the automobile industry is actively hugging a new technological revolution, and meanwhile, automobile illumination is undergoing a severe technological transformation period along with the intelligent surge of automobiles. The automotive lighting interacts with sensors to meet the trend of a series of functional upgrades of intelligent driving, and the whole industry is in a severe technical drive revolution. The intelligent front color projection lamp conveys the vehicle state through a ground projection animation mode, is simple and easy to understand, has better man-machine interaction experience, obtains application display on a plurality of main stream vehicle types, and is an important direction of current intelligent development.
The intelligent front color projection lamp system comprises a lamp control and optical module, a vehicle-mounted operating system, a controller, a vehicle-mounted camera, a radar and an ARM processor, wherein the whole system relies on an intelligent driving system and is based on BCM (body control module ) to perform logic control, so that the intelligent front color projection lamp system is realized, the BCM performs logic control operation according to radar and vision sensor data and combines real-time state information of all parts of a vehicle body, the front color projection lamp is sent to the front color projection lamp according to the result of the logic control operation, and the front color projection lamp performs switching of different lighting scenes or different light effects according to instruction information of the BCM; however, in this mode, the lamp unit is only used as an executing unit, receives control information of the BCM to perform state switching, and the front color projection lamp unit is only used as an executing unit, and does not have intelligence; the front color projection lamp can be switched by receiving BCM control information, for example, the host factory does not open related information, and the front projection lamp can not be applied; if the vehicle is provided with a front projection lamp unit, an intelligent driving system is required to be provided, and the overall cost is greatly increased; the application of front projection is limited by the application and development of intelligent driving systems.
Therefore, it is necessary to design a new system to realize intelligent control of the front color projection lamp, and not to rely on BCM and intelligent driving system alone.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a front color projection lamp system based on an angular velocity sensor and a working method thereof.
In order to solve the technical problems, the aim of the invention is realized by the following technical scheme: providing a front color projection lamp system based on an angular velocity sensor, comprising: the device comprises a lamp control unit, an angular velocity sensor and an optical module, wherein the angular velocity sensor is connected with the lamp control unit; the optical module is connected with the lamp control unit; the angular velocity sensor is used for acquiring the speed, acceleration and direction information of the running of the vehicle to form acquisition signals; the lamp control unit is used for outputting a corresponding driving signal according to the acquisition signal; and the optical module is used for displaying the light effects of different scenes according to the driving signals.
The further technical scheme is as follows: the vehicle-mounted operating system is further included, and the lamp control unit is connected with the vehicle-mounted operating system.
The further technical scheme is as follows: the vehicle-mounted operating system further comprises an ARM controller, and the ARM controller is connected with the vehicle-mounted operating system.
The further technical scheme is as follows: the system also comprises a radar and a first controller, wherein the radar is connected with the first controller; the first controller is connected with the vehicle-mounted operating system; the radar and the first controller are respectively connected with the ARM controller.
The further technical scheme is as follows: the system also comprises a vehicle-mounted camera and a second controller, wherein the vehicle-mounted camera is connected with the second controller; the second controller is connected with the vehicle-mounted operating system; and the vehicle-mounted camera and the second controller are respectively connected with the ARM controller.
In addition, the technical problem to be solved by the present invention is to provide a working method of the front color projection lamp system based on the angular velocity sensor, which is characterized by comprising the following steps:
the angular velocity sensor acquires information of the speed, acceleration and direction of the vehicle to form acquisition signals;
the lamp control unit outputs a corresponding driving signal according to the acquisition signal;
and the optical module performs light effect display of different scenes according to the driving signals.
The further technical scheme is as follows: the direction information includes a position, a level, and a location of the vehicle.
The further technical scheme is as follows: the lamp control unit outputs corresponding driving signals according to the acquisition signals, and the lamp control unit comprises:
the lamp control unit judges whether the speed in the acquired signal is greater than zero;
and if the speed in the acquired signal is not greater than zero, the lamp control unit generates a driving signal for giving the pedestrian an indication lamp to the ground.
The further technical scheme is as follows: after the lamp control unit determines whether the speed in the collected signal is greater than zero, the lamp control unit further includes:
if the speed in the collected signal is greater than zero, the lamp control unit judges whether the collected signal is angularly shifted rightwards beyond a set value and the duration time is greater than a set time;
and if the acquired signal is that the angle is shifted rightwards beyond a set value and the duration time is longer than the set time, the lamp control unit generates a driving signal for projecting a right turn indicator lamp to the ground.
The further technical scheme is as follows: the lamp control unit judges whether the collected signal is right-shifted in angle beyond a set value and after the duration time is longer than a set time, the lamp control unit further comprises:
if the acquired signal is not angularly shifted to the right beyond a set value or the duration is not longer than a set time, the lamp control unit judges whether the acquired signal is angularly shifted to the left beyond the set value and the duration is longer than the set time;
if the acquired signal is that the angle is offset leftwards and exceeds a set value and the duration time is longer than the set time, the lamp control unit generates a driving signal for projecting a left turn indicator lamp to the ground;
if the acquisition signal is not angularly offset to the left beyond a set point or the duration is not greater than a set time, the projection lamp system is turned off when the projection lamp system is turned on.
Compared with the prior art, the invention has the beneficial effects that: the invention uses the angular velocity sensor to collect the relevant information of the vehicle in real time by arranging the lamp control unit, the angular velocity sensor and the optical module, and the lamp control unit analyzes the relevant information to further drive the optical module to display different lamp effects, so that the color projection lamp at the front can be intelligently controlled, and the BCM and the intelligent driving system are not independently relied.
The invention is further described below with reference to the drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 some embodiments of the present invention, 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 block diagram of a front color projection lamp system based on an angular velocity sensor provided in an embodiment of the present invention;
FIG. 2 is a flow chart of a method of operating a front color projection lamp system based on an angular velocity sensor according to an embodiment of the present invention;
the figure identifies the description:
10. a lamp control unit; 20. an angular velocity sensor; 30. an optical module;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. 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.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1, fig. 1 is a schematic block diagram of a front color projection lamp system based on an angular velocity sensor according to an embodiment of the present invention, which can be applied to an automobile to realize intelligent control of the front color projection lamp without independent reliance on BCM and intelligent driving systems.
Referring to fig. 1, the front color projection lamp system based on the angular velocity sensor includes: a lamp control unit 10, an angular velocity sensor 20, and an optical module 30, the angular velocity sensor 20 being connected to the lamp control unit 10; the optical module 30 is connected with the lamp control unit 10; the angular velocity sensor 20 is configured to collect information about a speed, an acceleration, and a direction of travel of the vehicle, and form a collection signal; the lamp control unit 10 is configured to output a corresponding driving signal according to the collected signal; the optical module 30 is configured to perform light effect display of different scenes according to the driving signal.
In this embodiment, an angular velocity sensor is added to the system to collect information on the speed and direction of the vehicle. The lamp control unit 10 judges the running state of the vehicle according to the collected speed and direction information, including: and the optical module 30 is driven to display the light effects of different scenes according to the recognized vehicle state, so that the intelligent sensing, intelligent control and intelligent light effects are integrated, and the real intelligent car lamp is achieved.
The angular velocity sensor can provide accurate azimuth, horizontal, position, velocity and acceleration information; in the hardware architecture, an angular velocity sensor 20 device is added on a PCB of the original car lamp control unit 10, and an output signal of the angular velocity sensor 20 device is connected to an input end of the car lamp control unit 10, so that an intelligent sensing function of the car lamp is realized.
The light effect can be automatically adjusted according to the running state of the vehicle, so that the visibility of the vehicle under the complex road condition can be improved, and the running safety is improved. Through intelligent control light effect, can reduce the waste of energy, reduce the energy consumption, accord with energy-concerving and environment-protective theory. The intelligent control of the light effect display is carried out by utilizing the optical module 30, so that the more colorful light effect can be realized, and the originality and the attraction of the appearance design of the vehicle are improved. The intelligent light effect not only can promote driving safety, but also can bring more comfortable and pleasant driving experience for drivers and passengers, and the personalized customization capability of the vehicle is enhanced.
The front color projection lamp system based on the angular velocity sensor can realize the personalized, safe, energy-saving and environment-friendly benefits of the light effect through intelligent control.
In one embodiment, the front color projection lamp system based on the angular velocity sensor further includes an on-vehicle operation system, and the lamp control unit 10 is connected to the on-vehicle operation system.
In an embodiment, the front color projection lamp system based on the angular velocity sensor further includes an ARM controller, where the ARM controller is connected to the vehicle operating system.
In an embodiment, the front color projection lamp system based on an angular velocity sensor further includes a radar and a first controller, where the radar is connected to the first controller; the first controller is connected with the vehicle-mounted operating system; the radar and the first controller are respectively connected with the ARM controller.
In an embodiment, the front color projection lamp system based on the angular velocity sensor further includes a vehicle-mounted camera and a second controller, where the vehicle-mounted camera is connected to the second controller; the second controller is connected with the vehicle-mounted operating system; the vehicle-mounted camera and the second controller are respectively connected with the ARM controller.
Besides the intelligent control of the front color projection lamp by the angular velocity sensor 20, the intelligent control of the BCM and the intelligent driving system in the prior art is maintained, and the intelligent control of two modes is realized.
In the present embodiment, the lamp control unit 10 of the above-described system is responsible for controlling the switching and brightness adjustment of the vehicle lights. It receives the signal from the angular velocity sensor 20 and generates a corresponding driving signal according to the content of the signal, controlling the state of the vehicle light. The angular velocity sensor 20 is used to collect velocity, acceleration, and direction information of the vehicle traveling. The angular velocity sensor 20 may be an Inertial Measurement Unit (IMU) based sensor that obtains relevant data by measuring the attitude and dynamic changes of the vehicle. The optical module 30 is responsible for realizing the light effect display of different scenes. The optical module 30 is typically composed of LED lamps, which can generate light rays of different colors, brightness and flickering effects according to the received driving signals.
These components work together to realize an intelligent vehicle light control system. The angular velocity sensor 20 collects vehicle driving information, transmits the vehicle driving information to the lamp control unit 10, and the lamp control unit 10 generates a corresponding driving signal according to the received signal and then displays a lighting effect through the optical module 30. The whole system can adjust the light effect in real time according to the running state of the vehicle, and improves the running safety and the user experience.
According to the front color projection system based on the angular velocity sensor, the lamp control unit 10, the angular velocity sensor 20 and the optical module 30 are arranged, the angular velocity sensor 20 is utilized to collect relevant information of a vehicle in real time, the lamp control unit 10 analyzes the relevant information, and the optical module 30 is further driven to display different light effects, so that intelligent control of the front color projection lamp is realized, and BCM and an intelligent driving system are not independently relied.
In an embodiment, referring to fig. 2, the method for operating the front color projection lamp system based on the angular velocity sensor includes steps S110 to S130.
S110, the angular velocity sensor 20 acquires information on the speed, acceleration, and direction of the vehicle, and forms an acquisition signal.
In this embodiment, the direction information includes the azimuth, the horizontal, and the position of the vehicle.
And S120, the lamp control unit 10 outputs a corresponding driving signal according to the acquisition signal.
In an embodiment, the step S120 may include the following steps.
The lamp control unit 10 judges whether the speed in the acquisition signal is greater than zero;
if the speed in the collected signal is not greater than zero, the lamp control unit 10 generates a driving signal for giving a pedestrian indication lamp to the ground.
If the speed in the collected signal is greater than zero, the lamp control unit 10 determines whether the collected signal is angularly shifted to the right beyond a set value and the duration is greater than a set time;
if the acquisition signal is that the angle is shifted to the right beyond a set value and the duration is longer than a set time, the lamp control unit 10 generates a driving signal for projecting the right turn signal lamp to the ground.
If the collected signal is not angularly shifted to the right beyond a set value or the duration is not longer than a set time, the lamp control unit 10 judges whether the collected signal is angularly shifted to the left beyond a set value and the duration is longer than the set time;
if the collected signal is that the angle is shifted leftwards and exceeds a set value and the duration time is longer than the set time, the lamp control unit 10 generates a driving signal for projecting a left turn indicator lamp to the ground;
if the acquired signal is not offset to the left by an angle exceeding a set value or the duration is not longer than a set time, the projection lamp system is turned off when the projection lamp system is turned on, and the projection lamp system is continuously operated by the angle sensor when the projection lamp system is not turned on.
In this embodiment, the lamp control unit 10 performs the lamp efficiency logic control according to the acquired speed and angle information: when the following three conditions are satisfied simultaneously, the optical module 30 projects the right turn signal lamp to the ground:
speed >0; the position shifts rightward beyond the set value a; the duration exceeds a set time t;
when the following three conditions are satisfied simultaneously, the optical module 30 projects the left turn indicator lamp to the ground:
speed >0; the position is shifted leftwards beyond the set value a; the duration exceeds a set time t;
the pedestrian indicator is projected onto the ground by the optical module 30 when the following conditions are met: speed=0.
Wherein, the setting value and the setting time are respectively 15 DEG and 1s according to the empirical value.
S130, the optical module 30 performs light effect display of different scenes according to the driving signals.
It should be noted that, as will be clearly understood by those skilled in the art, the specific implementation process of the working method of the front color projection lamp system based on the angular velocity sensor may refer to the corresponding description in the foregoing system embodiment, and for convenience and brevity of description, the description is omitted here.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A front color projection lamp system based on an angular velocity sensor, comprising: the device comprises a lamp control unit, an angular velocity sensor and an optical module, wherein the angular velocity sensor is connected with the lamp control unit; the optical module is connected with the lamp control unit; the angular velocity sensor is used for acquiring the speed, acceleration and direction information of the running of the vehicle to form acquisition signals; the lamp control unit is used for outputting a corresponding driving signal according to the acquisition signal; and the optical module is used for displaying the light effects of different scenes according to the driving signals.
2. The front color projection lamp system based on an angular velocity sensor according to claim 1, further comprising an on-board operating system, the lamp control unit being connected to the on-board operating system.
3. The front color sensor-based projection lamp system of claim 2, further comprising an ARM controller, the ARM controller being coupled to the vehicle operating system.
4. The front color projection lamp system based on an angular velocity sensor according to claim 3, further comprising a radar and a first controller, the radar being connected to the first controller; the first controller is connected with the vehicle-mounted operating system; the radar and the first controller are respectively connected with the ARM controller.
5. The sensor of angular velocity based front color projection lamp system of claim 4, further comprising an onboard camera and a second controller, the onboard camera being connected to the second controller; the second controller is connected with the vehicle-mounted operating system; and the vehicle-mounted camera and the second controller are respectively connected with the ARM controller.
6. A method of operating a front color projection lamp system based on an angular velocity sensor as claimed in any one of claims 1 to 5, comprising:
the angular velocity sensor acquires information of the speed, acceleration and direction of the vehicle to form acquisition signals;
the lamp control unit outputs a corresponding driving signal according to the acquisition signal;
and the optical module performs light effect display of different scenes according to the driving signals.
7. The method of operating a front color projection lamp system based on an angular velocity sensor according to claim 6, wherein the direction information includes a vehicle's azimuth, level, and position.
8. The method of operating a front color projection lamp system based on an angular velocity sensor according to claim 6, wherein the lamp control unit outputs a corresponding driving signal according to the acquisition signal, comprising:
the lamp control unit judges whether the speed in the acquired signal is greater than zero;
and if the speed in the acquired signal is not greater than zero, the lamp control unit generates a driving signal for giving the pedestrian an indication lamp to the ground.
9. The method of claim 8, wherein after the lamp control unit determines whether the speed in the acquisition signal is greater than zero, further comprising:
if the speed in the collected signal is greater than zero, the lamp control unit judges whether the collected signal is angularly shifted rightwards beyond a set value and the duration time is greater than a set time;
and if the acquired signal is that the angle is shifted rightwards beyond a set value and the duration time is longer than the set time, the lamp control unit generates a driving signal for projecting a right turn indicator lamp to the ground.
10. The method of claim 9, wherein the lamp control unit determines whether the acquisition signal is angularly shifted to the right beyond a set value and for a duration greater than a set time, further comprising:
if the acquired signal is not angularly shifted to the right beyond a set value or the duration is not longer than a set time, the lamp control unit judges whether the acquired signal is angularly shifted to the left beyond the set value and the duration is longer than the set time;
if the acquired signal is that the angle is offset leftwards and exceeds a set value and the duration time is longer than the set time, the lamp control unit generates a driving signal for projecting a left turn indicator lamp to the ground;
if the acquisition signal is not angularly offset to the left beyond a set point or the duration is not greater than a set time, the projection lamp system is turned off when the projection lamp system is turned on.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311729789.XA CN117644814A (en) | 2023-12-14 | 2023-12-14 | Front color projection lamp system based on angular velocity sensor and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311729789.XA CN117644814A (en) | 2023-12-14 | 2023-12-14 | Front color projection lamp system based on angular velocity sensor and working method thereof |
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| CN117644814A true CN117644814A (en) | 2024-03-05 |
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| CN202311729789.XA Pending CN117644814A (en) | 2023-12-14 | 2023-12-14 | Front color projection lamp system based on angular velocity sensor and working method thereof |
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| CN (1) | CN117644814A (en) |
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