CN115071559A - Vehicle-mounted atmosphere lamp dynamic adjustment method based on music rhythm - Google Patents
Vehicle-mounted atmosphere lamp dynamic adjustment method based on music rhythm Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
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Abstract
The invention discloses a vehicle-mounted atmosphere lamp dynamic adjusting method based on music rhythm, which comprises the following steps of: s1, when a user listens to vehicle-mounted music, a vehicle-mounted information entertainment module IVI converts signals; s2, the BCM receives the signal transmitted in the step S1; s3, the second micro control unit MCU processes the signal transmitted in the step S2; and S4, adjusting the atmosphere lamp by the atmosphere lamp module according to the signal transmitted by the BCM in the step S3. The invention provides a vehicle-mounted atmosphere lamp dynamic adjusting method based on music rhythm, which is used for reducing the music rhythm threshold of a vehicle-mounted atmosphere lamp, so that vehicles equipped with multicolor atmosphere lamps can optimize the music rhythm function through a control method, and the popularity of the vehicle-mounted music rhythm atmosphere lamp is improved.
Description
Technical Field
The invention relates to the technical field of intelligent control of vehicle-mounted lighting, in particular to a dynamic adjusting method of a vehicle-mounted atmosphere lamp based on music rhythm.
Background
Along with the development of automobile intellectualization, the function configuration of the existing automobile electrical appliances is more and more powerful, and particularly, the electrical appliances are rich in configuration and become a big characteristic in domestic automobiles. The functional configuration of the vehicle-mounted atmosphere lamp is the configuration which can be seen on imported high-grade automobiles at first, and is frequently seen on domestic automobiles at present. Most of the existing vehicle-mounted atmosphere lamp systems only support the functions of color and brightness adjustment, and high-grade vehicles also support the functions of guest greeting control, a guest delivery mode, door opening reminding, starting surrounding, driving mode control and the like. At present, cars with atmosphere lamp music rhythm function are rare, because the music rhythm is equivalent to the derivative function of multi-color atmosphere lamp, the multi-color atmosphere lamp must be equipped firstly, and the multi-color atmosphere lamp can be generally seen on high-grade cars because of cost limitation. The function that the atmosphere lamp that present vehicle possessed carries out dynamic adjustment to the atmosphere lamp according to the music rhythm is very rare at present stage.
Disclosure of Invention
The invention aims to solve the problems and provides a vehicle-mounted atmosphere lamp dynamic adjusting method based on music rhythm, which reduces the music rhythm threshold of the vehicle-mounted atmosphere lamp, enables vehicles equipped with multicolor atmosphere lamps to realize the music rhythm function through strategy optimization, and improves the popularity of the vehicle-mounted music rhythm atmosphere lamp.
A vehicle-mounted atmosphere lamp dynamic adjustment method based on music rhythm comprises the following steps:
s1, when a user listens to vehicle-mounted music, an audio module in a vehicle-mounted information entertainment module IVI converts an analog signal of the vehicle-mounted music into a digital signal through an internal envelope signal converter and transmits the digital signal to a first micro control unit MCU (microprogrammed control unit), and the first micro control unit MCU in the vehicle-mounted information entertainment module IVI sends the digital signal to a first controller area network CAN (controller area network) transceiver in the vehicle-mounted information entertainment module IVI;
s2, the BCM receives an audio envelope signal sent out by the IVI: the first controller area network CAN transceiver transmits the digital signal to a second controller area network CAN transceiver in the BCM and continuously transmits the digital signal to a second MCU for processing;
s3, after the audio envelope signal in the step S3 is processed by a second micro control unit MCU in the BCM, the BCM converts the brightness request and the color request of the atmosphere lamp into a first local area interconnection network LIN transceiver in the BCM through CAN-LIN and sends the first local area interconnection network LIN transceiver to an atmosphere lamp module;
and S4, after receiving the instruction, a second local area interconnection network LIN transceiver in the atmosphere lamp module judges rhythm mode logic, and the rhythm mode logic is processed by a third micro control unit MCU in the atmosphere lamp module to control the internal light drive of the atmosphere lamp module and drive the lamp holder to execute according to the color and the brightness set by the digital signal.
Specifically, in step S2, the in-vehicle infotainment module IVI sends the digital signal in step S1 to the controller area network CAN, so that the information includes parameters of the current audio envelope signal, including frequency and amplitude of sound.
Specifically, in step S3, the processing content of the second MCU includes analyzing the envelope signal, and mapping the information of the frequency and amplitude of the sound wave with the color and brightness control of the ambience lamp.
Specifically, in step S4, the rhythm mode logic is to check whether the ignition switch signal IGN is turned on, whether the position lamp is turned on, and whether the atmosphere lamp setting is completed when the atmosphere lamp rhythm mode adjustment is started, and when any one of the two is not completed, the atmosphere lamp does not act, and when the ignition switch signal IGN is turned on, the position lamp is turned on, and the atmosphere lamp setting is completed, the next step is performed, and check whether the rhythm mode is turned on, and whether the vehicle-mounted music is turned on, and when any one of the two is not completed, the atmosphere lamp enters the non-rhythm mode operation, and when the rhythm mode is turned on, and the vehicle-mounted music is turned on, the vehicle atmosphere lamp rhythm mode starts operation.
Specifically, the frequency of the sound wave and the color of the atmosphere lamp are mapped, the higher the frequency of the sound wave is, the darker the color of the atmosphere lamp is, the lower the frequency of the sound wave is, the lighter the color of the atmosphere lamp is, the actual frequency of the vehicle-mounted atmosphere lamp sound source is between 20hz and 4000hz, and the color of the vehicle-mounted atmosphere lamp is set in a grading mode according to the actual frequency of the vehicle-mounted atmosphere lamp sound source.
Specifically, the amplitude of the sound wave corresponds to the brightness of the atmosphere lamp, the higher the amplitude is, the brighter the atmosphere lamp is, the brightness adjustment range of the atmosphere lamp is 0% -100%, and the atmosphere lamp in the vehicle is in a bright-dark rhythm along with the amplitude of music.
The invention has the beneficial effects that:
the invention provides a vehicle-mounted atmosphere lamp dynamic adjusting method based on music rhythm, which is characterized in that the audio frequency in a vehicle is connected with an atmosphere lamp, the atmosphere lamp is adjusted along with the rhythm of music, and compared with the conventional atmosphere lamp system, the cost of the conventional common atmosphere lamp system is not increased on hardware/wire harnesses, but the software codes of a vehicle body controller module BCM and a vehicle-mounted information entertainment module IVI are modified according to the interactive logic of the text, so that the cost is lower, and the popularity of the vehicle-mounted music rhythm atmosphere lamp is improved.
Drawings
FIG. 1 is a flow chart of a method for dynamically adjusting a vehicle-mounted ambience lamp based on music rhythm;
FIG. 2 is a logic diagram of pulse patterns.
FIG. 3 is a diagram of a vehicle mood light system configuration;
fig. 4 is a signal interaction diagram of a new rhythm mode of the smart atmosphere lamp.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a method for dynamically adjusting a vehicle-mounted ambience lamp based on music rhythm includes the following steps:
s1, when a user listens to vehicle-mounted music, an audio module in a vehicle-mounted information entertainment module IVI converts an analog signal of the vehicle-mounted music into a digital signal through an internal envelope signal converter and transmits the digital signal to a first micro control unit MCU (microprogrammed control unit), and the first micro control unit MCU in the vehicle-mounted information entertainment module IVI sends the digital signal to a first controller area network CAN (controller area network) transceiver in the vehicle-mounted information entertainment module IVI;
s2, receiving an audio envelope signal sent out by the vehicle-mounted information entertainment module IVI by the vehicle body controller module BCM: the first controller area network CAN transceiver transmits the digital signal to a second controller area network CAN transceiver in the BCM and continuously transmits the digital signal to a second MCU for processing;
s3, after the audio envelope signal in the step S3 is processed by a second micro control unit MCU in the BCM, the BCM converts the brightness request and the color request of the atmosphere lamp into a first local area interconnection network LIN transceiver in the BCM through CAN-LIN and sends the first local area interconnection network LIN transceiver to an atmosphere lamp module;
and S4, after receiving the instruction, a second local area interconnection network LIN transceiver in the atmosphere lamp module judges rhythm mode logic, and the rhythm mode logic is processed by a third micro control unit MCU in the atmosphere lamp module to control the internal light drive of the atmosphere lamp module and drive the lamp holder to execute according to the color and the brightness set by the digital signal.
Specifically, in step S2, the in-vehicle infotainment module IVI sends the digital signal in step S1 to the controller area network CAN, so that the information includes parameters of the current audio envelope signal, including frequency and amplitude of sound.
Specifically, in step S3, the processing content of the second MCU includes analyzing the envelope signal, and mapping the information of the frequency and amplitude of the sound wave with the color and brightness control of the ambience lamp.
Referring to fig. 2, in step S4, the rhythm mode logic is to check whether the ignition switch signal IGN is turned on, whether the position lamp is turned on, and whether the setting of the atmosphere lamp is completed when the regulation of the rhythm mode of the atmosphere lamp is started, and the atmosphere lamp does not operate when any one of the two is not completed.
Specifically, the frequency of the sound wave and the color of the atmosphere lamp are mapped, the higher the frequency of the sound wave is, the darker the color of the atmosphere lamp is, the lower the frequency of the sound wave is, the lighter the color of the atmosphere lamp is, the actual frequency of the vehicle-mounted atmosphere lamp sound source is between 20hz and 4000hz, and the color of the vehicle-mounted atmosphere lamp is set in a grading mode according to the actual frequency of the vehicle-mounted atmosphere lamp sound source.
Specifically, the amplitude of the sound wave corresponds to the brightness of the atmosphere lamp, the higher the amplitude is, the brighter the atmosphere lamp is, the brightness adjustment range of the atmosphere lamp is 0% -100%, and the atmosphere lamp in the vehicle is in a bright-dark rhythm along with the amplitude of music.
The invention provides an embodiment, as shown in fig. 3, a vehicle-mounted ambience lamp system based on music rhythm, mainly comprising a vehicle-mounted infotainment module IVI, a vehicle body control module BCM and an ambience lamp module.
Referring to fig. 3, the analog signal of the music emitted by the audio module in the vehicle infotainment module IVI is transmitted to the envelope signal converter, and the music signal is transmitted to the 4 speakers at the four corners of the vehicle to play the music. The envelope signal converter converts the analog signal of the vehicle-mounted music into a digital signal, and the vehicle-mounted infotainment module IVI sends out a controller area network CAN message to contain relevant parameters in the current audio envelope signal, including the frequency and the amplitude of the music sound.
The first micro control unit MCU transmits signals into a first controller area network CAN transceiver to a second controller area network CAN transceiver of the vehicle body control module BCM, and the second controller area network CAN transceiver transmits digital signals into the CAN-LIN converter. In the process, the processing content comprises the steps of analyzing the envelope signal and mapping the information such as the frequency and the amplitude of the sound wave with the color and the brightness control of the atmosphere lamp.
The amplitude of the sound wave corresponds to the brightness of the atmosphere lamp, the higher the amplitude is, the brighter the atmosphere lamp is, and the brightness adjusting range of the atmosphere lamp is 0% -100%. The vehicle interior atmosphere lights will pulsate in light and dark with the audio amplitude. And mapping the frequency of the sound wave and the color of the atmosphere lamp, wherein the higher the frequency of the sound wave, the darker the color of the atmosphere lamp, the lower the frequency of the sound wave, and the lighter the color of the atmosphere lamp. The actual frequency of the car music sound source is between 20hz and 4000hz, while the car atmosphere lamp is 7 colors or 64 colors or 256 colors. And (3) carrying out interval division on the actual frequency range, wherein each equal division corresponds to one color in the atmosphere lamp, and the colors are arranged from light to dark.
After being processed by the second micro control unit MCU of the vehicle body controller module BCM, the vehicle body controller module BCM converts the brightness request and the color request of the atmosphere lamp to the first local interconnection network LIN transceiver through CAN-LIN and transmits the converted requests to the atmosphere lamp module, and the second local interconnection network LIN transceiver of the atmosphere lamp module receives the command and then is processed by the third micro control unit MCU in the atmosphere lamp module to control the internal light drive and drive the lamp cap to execute according to the set color and brightness. At this moment, when the vehicle-mounted information entertainment module IVI plays music, the vehicle body controller module BCM can control the brightness and color rhythm of the atmosphere lamp along with the rhythm of the music.
When the atmosphere lamp module is in rhythm mode signal interaction, the combination switch module SWM and the light rainfall sensor RLS of light handle gear signal send position light, the signal transmission of the lighting request of dipped headlight gets into the second micro control unit MCU in the vehicle control module BCM, the second micro control unit MCU feeds back the atmosphere lamp on-off state, the atmosphere lamp brightness state, the atmosphere lamp color state to the vehicle-mounted information entertainment module IVI, the vehicle-mounted information entertainment module IVI adjusts the atmosphere lamp on-off state, the atmosphere lamp brightness state, the atmosphere lamp color state information through the first controller area network CAN transceiver according to the current atmosphere lamp on-off state, the atmosphere lamp brightness, and the atmosphere lamp color.
Referring to fig. 4, after the adjustment is completed, the vehicle control module BCM sets the atmosphere lamps in the atmosphere lamp module according to the existing atmosphere lamp switch, the brightness of the atmosphere lamps and the color setting signals of the atmosphere lamps, and sets 11 atmosphere lamps in total, wherein the atmosphere lamps are arranged from the main driving instrument panel, the left side assistant driving instrument panel, the right side assistant driving instrument panel, the front of the assistant driving door panel, the rear of the right back door panel, the rear of the left back door panel, the front of the left back door panel and the rear of the main driving door panel in a clockwise manner to the front of the main driving door panel, and the address codes are AL 1-AL 11, and AL is abbreviated as the atmosphere lamps. Through local area interconnection network LIN communication between the vehicle body controller module BCM and the atmosphere lamp module, the BCM controls the atmosphere lamp to light any color and any brightness within the support range.
Referring to fig. 2, a logic diagram for realizing the atmosphere lamp function is realized, and interaction logic about music rhythm between the vehicle-mounted infotainment module IVI and the vehicle body controller module BCM is added, so that the function of adjusting the atmosphere lamp according to the music rhythm is realized.
Firstly, defining soft switch setting items related to an atmosphere lamp on a vehicle-mounted information entertainment module (IVI) screen, wherein the soft switch setting items are atmosphere lamp switch setting, atmosphere lamp brightness setting, atmosphere lamp color setting and rhythm mode switch setting, and the rhythm mode is turned off by default. At night, when an atmosphere lamp switch on the vehicle-mounted information entertainment module IVI is turned on, the brightness is set to be 100%, and the color is set to be red, the vehicle body controller module BCM drives 11 lamp holders of the whole vehicle to be turned on according to 100% + red.
At this time, if the vehicle infotainment module IVI plays music, when the rhythm mode is not turned on, the ambience lamp is turned on to work as 100% + red as set. When the rhythm mode is started, the atmosphere lamp works along with rhythm of music, including the lighting color and brightness of the atmosphere lamp. The vehicle-mounted information entertainment module IVI system sends out an audio envelope signal, and the envelope signal contains information such as frequency and amplitude of sound waves of a music sound source. When music is played, the vehicle-mounted information entertainment module IVI sends audio parameters including the frequency and the amplitude of the sound source sound waves to the vehicle body controller module BCM in real time, and the vehicle body controller module BCM drives the atmosphere lamp cap to work according to the set color and brightness according to the information of the frequency and the amplitude of the sound source sound waves.
In summary, the invention provides a vehicle-mounted atmosphere lamp dynamic adjusting method based on music rhythm, which links the audio frequency in the vehicle with the atmosphere lamp, and the atmosphere lamp is adjusted along with the rhythm of the music.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention and the contents of the drawings or directly or indirectly applied to the related technical fields are included in the scope of the present invention.
Claims (6)
1. A vehicle-mounted atmosphere lamp dynamic adjustment method based on music rhythm is characterized by comprising the following steps: the method comprises the following steps:
s1, when a user listens to vehicle-mounted music, a vehicle-mounted information entertainment module IVI converts signals: an audio module in the vehicle-mounted infotainment module IVI converts an analog signal of vehicle-mounted music into a digital signal through an internal envelope signal converter, transmits the digital signal to a first micro control unit MCU, and sends the signal to a first controller area network CAN transceiver in the vehicle-mounted infotainment module IVI through the first micro control unit MCU;
s2, the BCM receives the signal transmitted in the step S1: the BCM receives an audio envelope signal sent out by the IVI: the first controller area network CAN transceiver transmits the digital signal to a second controller area network CAN transceiver in the BCM and continuously transmits the digital signal to a second MCU for processing;
s3, the second micro control unit MCU processes the signal transmitted in the step S2: after the audio envelope signal in the step S3 is processed by the second micro control unit MCU in the vehicle body controller BCM, the vehicle body controller BCM converts the brightness request and the color request of the atmosphere lamp to the first local interconnect network LIN transceiver in the vehicle body controller BCM through the CAN-LIN, and sends the converted requests to the atmosphere lamp module;
s4, the atmosphere lamp module adjusts the atmosphere lamp according to the signal transmitted by the BCM in the step S3: and after receiving the instruction, a second local area interconnection network LIN transceiver in the atmosphere lamp module judges rhythm mode logic, and the rhythm mode logic is processed by a third micro control unit MCU in the atmosphere lamp module to control the internal light drive of the atmosphere lamp module and drive the lamp holder to execute according to the color and the brightness set by the digital signal.
2. The dynamic vehicle-mounted atmosphere lamp adjusting method based on music rhythm according to claim 1, wherein the dynamic vehicle-mounted atmosphere lamp adjusting method comprises the following steps: in step S2, the information that the in-vehicle infotainment module IVI continuously sends the digital signal in step S1 to the controller area network CAN contains the parameters of the current audio envelope signal, including the frequency and amplitude of the sound.
3. The dynamic vehicle-mounted atmosphere lamp adjusting method based on music rhythm according to claim 1, wherein the dynamic vehicle-mounted atmosphere lamp adjusting method comprises the following steps: in step S3, the processing content of the second MCU includes analyzing the envelope signal, and mapping the information of the frequency and amplitude of the sound wave with the color and brightness control of the ambience lamp.
4. The dynamic vehicle-mounted atmosphere lamp adjusting method based on music rhythm according to claim 1, wherein the dynamic vehicle-mounted atmosphere lamp adjusting method comprises the following steps: in step S4, the rhythm mode logic is to check whether the IGN is on, whether the position lamp is on, and whether the atmosphere lamp setting is completed when the rhythm mode adjustment of the atmosphere lamp is started, and the atmosphere lamp does not act when any one of the conditions is not completed, and to enter the next step when the ignition switch signal IGN is on, the position lamp is on, and the atmosphere lamp setting is completed, and to check whether the rhythm mode is on, and whether the vehicle-mounted music is on, and the atmosphere lamp enters the non-rhythm mode to operate when any one of the conditions is not completed, and the vehicle atmosphere lamp rhythm mode starts to operate when the rhythm mode is on and the vehicle-mounted music is on.
5. The dynamic vehicle-mounted atmosphere lamp adjusting method based on music rhythm according to claim 3, wherein the dynamic vehicle-mounted atmosphere lamp adjusting method comprises the following steps: the sound wave frequency and the color of the atmosphere lamp are mapped, the higher the sound wave frequency is, the darker the color of the atmosphere lamp is, the lower the sound wave frequency is, the lighter the color of the atmosphere lamp is, the actual frequency of the vehicle-mounted sound source is between 20hz and 4000hz, and the color of the vehicle-mounted atmosphere lamp is set in a grading mode according to the actual frequency of the vehicle-mounted sound source.
6. The dynamic vehicle-mounted atmosphere lamp adjusting method based on music rhythm as claimed in claim 3, wherein the method comprises the following steps: the amplitude of the sound wave corresponds to the brightness of the atmosphere lamp, the higher the amplitude is, the brighter the atmosphere lamp is, the brightness adjusting range of the atmosphere lamp is 0% -100%, and the atmosphere lamp in the vehicle regularly moves in the dark and bright mode along with the amplitude of music.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115742949B (en) * | 2022-11-29 | 2024-05-03 | 重庆长安汽车股份有限公司 | Music rhythm atmosphere lamp and vehicle |
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| CN114340076A (en) * | 2021-07-15 | 2022-04-12 | 南京工业大学 | Control method and system of rhythm atmosphere lamp based on analog sound source sampling |
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- 2022-06-24 CN CN202210723246.6A patent/CN115071559A/en active Pending
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| US20140176019A1 (en) * | 2012-12-20 | 2014-06-26 | Kia Motors Corporation | Mood lamp system, method of controlling mood lamp, and mood lamp controlling apparatus |
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