Intelligent control system for audio equipment

Abstract

The utility model discloses an intelligent control system for audio equipment, and the system comprises a Bluetooth system-level chip, a power management module, an operational amplifier, a noise reduction earphone chip, a first power amplifier chip, a second power amplifier chip, a light-emitting diode (LED) driver, a plurality of full-color LED light bars, a microphone, a storage module, and a loudspeaker. Wherein the Bluetooth system-on-chip is respectively connected with the power management module, the operational amplifier, the noise reduction earphone chip, the first power amplifier chip, the second power amplifier chip, the LED driver, the plurality of full-color LED light bars, the microphone, the storage module and the loudspeaker, and the loudspeaker is respectively connected with the first power amplifier chip and the second power amplifier chip. And the LED driver is connected with the plurality of full-color LED light bars. According to the utility model, intelligent control of the audio equipment can be realized, and enough personalized and intelligent use experience is brought to users.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic circuit technical field especially relates to an audio equipment intelligent control system. BACKGROUND

[0002] With the rapid development of internet technology, digitization and networking have become the main features of modern society, and audio equipment, as an indispensable category in modern electronic consumer products, needs to be endowed with intelligent control to provide users with more rich and personalized experience. However, the existing audio equipment intelligent control system still has deficiencies in the performance of Bluetooth connection, resulting in insufficient stability of audio equipment control, which is difficult to meet the user's demand for intelligent control of audio equipment and affects the user's experience. At the same time, the cooperation of sound effect and light effect is also an important link to provide personalized experience for users, but the current control system fails to realize the fusion of sound field and light effect, which cannot meet the user's demand for light effect of different music types and personal taste, and cannot reflect the actual use demand of sound products for consumer entertainment and cultural life. The audio equipment fails to bring users enough personalized and intelligent use experience. SUMMARY

[0003] The utility model discloses a kind of audio equipment intelligent control systems, realize the intelligent control of audio equipment, bring enough personalized and intelligent use experience for user.

[0004] To solve the above technical problems, the utility model provides an audio equipment intelligent control system, the audio equipment intelligent control system includes: bluetooth system level chip, power management module, operational amplifier, noise reduction earphone chip, first power amplifier chip, second power amplifier chip, light emitting diode LED driver, a plurality of full-color LED light bar, microphone, storage module and loudspeaker, wherein:

[0005] The bluetooth system level chip is connected with the power management module, operational amplifier, noise reduction earphone chip, first power amplifier chip, second power amplifier chip, light emitting diode LED driver, a plurality of full-color LED light bar, microphone, storage module and loudspeaker respectively, the loudspeaker is connected with the first power amplifier chip and second power amplifier chip respectively, and the light emitting diode LED driver is connected with a plurality of full-color LED light bar.

[0006] Optionally, the bluetooth system level chip adopts BT8961B6 bluetooth system level chip.

[0007] Optionally, the BT8961B6 bluetooth system level chip is built-in high-fidelity digital signal processor.

[0008] Optionally, the power management module comprises an SC89171 synchronous step-down charge controller, an ME6322 low dropout linear regulator, a TPS4302 synchronous step-down converter, a TPS2546 charge port controller, an RY9332 step-down switching mode converter and an HT7179 high efficiency non-synchronous boost converter.

[0009] Optionally, the operational amplifier adopts a BL3702 low noise operational amplifier, which is connected with the Bluetooth system level chip through a left and right channel switching circuit.

[0010] Optionally, the noise reduction earphone chip adopts an AB5632G noise reduction earphone chip, which is connected with the Bluetooth system level chip through an integrated audio interface.

[0011] Optionally, the first power amplifier chip adopts an ACM8625S stereo digital power amplifier chip, and the second power amplifier chip adopts an ACM8629 stereo digital power amplifier chip, which are connected with the Bluetooth system level chip through an integrated audio interface.

[0012] Optionally, the light emitting diode (LED) driver adopts an HTR3316 multifunctional light emitting diode (LED) driver.

[0013] Optionally, the full-color LED light bar adopts a WS2812B full-color LED light bar.

[0014] Optionally, the WS2812B full-color LED light bars are connected in series through cascading, and the display data cascading output port of each WS2812B full-color LED light bar is connected with the display data input port of the adjacent WS2812B full-color LED light bar.

[0015] The utility model provides a kind of audio equipment intelligent control system, the BT8961B6 Bluetooth system level chip with low-power Bluetooth data transmission function is used, simultaneously its built-in high fidelity digital signal processor meets the realization demand of various sound effects, even in complex environment still can guarantee the stability of audio equipment control, effectively improve the performance of audio equipment Bluetooth connection, to meet the intelligent control demand of user to audio equipment. Through the cooperation of first power amplifier chip and second power amplifier chip, the audio quality can be effectively improved, to bring higher quality audio playback experience for user. Simultaneously through the cooperation of HTR3316 multifunctional LED driver and each WS2812B full-color LED light bar and Bluetooth system level chip, light and sound field can be perfectly fused, meet the light effect demand of user to different music type and personal taste, realize the intelligent control to audio equipment, bring enough personalization and intelligent use experience for user. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structural composition of the intelligent control system for audio equipment in an embodiment of this utility model;

[0018] Figure 2 This is a schematic diagram of the intelligent control system for audio equipment in this embodiment of the present invention. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] The intelligent control system for audio equipment provided in this embodiment of the utility model, such as Figure 1 and Figure 2 As shown, Figure 1 This diagram illustrates the structural composition of the intelligent control system for audio devices according to an embodiment of the present invention. Figure 2 The diagram illustrates the specific principle of the intelligent control system for audio equipment in this embodiment of the present invention. The intelligent control system for audio equipment includes: a Bluetooth system-on-a-chip, a power management module, an operational amplifier, a noise-canceling headphone chip, a first power amplifier chip, a second power amplifier chip, an LED driver, several full-color LED strips, a microphone, a storage module, and a speaker. The Bluetooth system-on-a-chip is connected to the power management module, operational amplifier, noise-canceling headphone chip, first power amplifier chip, second power amplifier chip, LED driver, several full-color LED strips, microphone, storage module, and speaker. The speaker is connected to the first power amplifier chip and the second power amplifier chip. The LED driver is connected to several full-color LED strips.

[0021] In the embodiment process of the utility model, bluetooth system level chip is as main controller, carries out overall control to audio equipment intelligent control system. Power management module is used for distributing power to different components of audio equipment intelligent control system, operational amplifier is used for signal amplification, reduces interference in signal process, and noise reduction earphone chip is used for reducing environmental noise, provides clearer earphone hearing experience for user. First power amplifier chip and second power amplifier chip cooperate and are used for providing high quality audio sound effect. Light emitting diode LED driver and a plurality of full color LED light bar cooperate and are used for realizing individuality control of light effect, microphone is used for collecting audio, storage module is used for storing program and data of system, and speaker is used for playing audio.

[0022] In the embodiment process of the utility model, the bluetooth system level chip adopts BT8961B6 bluetooth system level chip. The BT8961B6 bluetooth system level chip is built-in high-fidelity digital signal processor.

[0023] Specifically, the BT8961B6 bluetooth system level chip not only has low-power bluetooth data transmission function, but also integrates classic bluetooth audio transmission and new generation low-power bluetooth audio transmission function, can provide more stable and efficient wireless connection for audio equipment, as main controller, even in complex environment still can guarantee the stability of bluetooth broadcast and connection of audio equipment, simultaneously, it has high-performance instruction processing kernel, can still real-time operation under limited computing resource, does not affect the continuous play of audio stream. The BT8961B6 bluetooth system level chip is built-in high-fidelity digital signal processor, can satisfy the realization demand of various sound effects, and the bluetooth system level chip is built-in 24-bit analog-to-digital converter, its sampling rate is as high as 192KHz, can support high-definition audio codec, realizes the intelligent control of audio equipment.

[0024] In the embodiment process of the utility model, the power management module includes SC89171 synchronous step-down charge controller, ME6322 low dropout linear voltage stabilizer, TPS4302 synchronous step-down converter, TPS2546 charge port controller, RY9332 step-down switch mode converter and HT7179 high-efficiency non-synchronous step-up converter.

[0025] Specifically, the SC89171 synchronous step-down charging controller integrates a field effect tube with low on-resistance, can realize higher conversion efficiency, and can work stably in different power supply environments. The ME6322 low-dropout linear regulator is characterized by high precision, low power consumption, high ripple rejection and low voltage difference, and can provide more stable DC power supply for the system. The TPS4302 synchronous step-down converter can reduce the input higher voltage to the required output voltage, has the advantages of low electromagnetic interference, stable output voltage and good large current output capability. The TPS2546 charging port controller supports multiple charging modes and has a load detection function, and can realize higher quality charging management. The RY9332 step-down switching mode converter has excellent line regulation function, can maintain stable output under different working conditions, can provide very fast transient response and simple loop design, and can ensure fast adjustment and stability of the output voltage. The HT7179 high-efficiency asynchronous boost converter has high efficiency and wide input voltage range, and can provide stable and efficient power support for the system.

[0026] In the specific implementation process of the utility model, the operational amplifier adopts BL3702 low noise operational amplifier, and the BL3702 low noise operational amplifier is connected with the Bluetooth system chip through the left and right channel switching circuit.

[0027] Specifically, the BL3702 low noise operational amplifier can provide low noise, high precision and stable signal amplification, has extremely low equivalent input noise, can significantly reduce the signal-to-noise ratio, and the BL3702 low noise operational amplifier also has a high gain bandwidth of 12MHz and a low offset voltage, which can effectively prevent signal distortion, the BL3702 low noise operational amplifier is connected with the Bluetooth system chip through the left and right channel switching circuit, can prevent alternating signal clipping distortion in audio processing, ensures the high-precision amplification of audio signals, and can ensure the accuracy and stability of audio signals while improving the audio quality.

[0028] In the specific implementation process of the utility model, the noise reduction earphone chip adopts AB5632G noise reduction earphone chip, and the AB5632G noise reduction earphone chip is connected with the Bluetooth system chip through an integrated audio interface.

[0029] Specifically, the AB5632G noise reduction earphone chip supports the diversified operation needs of users, can provide more valuable operation needs for the earphone listening function of users, the AB5632G noise reduction earphone chip can achieve the effect of noise reduction by emitting sound waves of opposite phase to offset the noise, the AB5632G noise reduction earphone chip is connected with the Bluetooth system chip through an integrated audio interface, can provide more diversified audio listening needs for users, and provide higher quality earphone audio playback.

[0030] In the embodiment of the utility model, the first power amplifier chip adopts ACM8625S stereo digital power amplifier chip, the second power amplifier chip adopts ACM8629 stereo digital power amplifier chip, and the ACM8625S stereo digital power amplifier chip and the ACM8629 stereo digital power amplifier chip are connected with the Bluetooth system-level chip through an integrated audio interface.

[0031] Specifically, the ACM8625S stereo digital power amplifier chip is a highly integrated dual-channel digital input power amplifier chip, which adopts a pulse width modulation architecture, can dynamically adjust the pulse width according to the signal size, ensures the audio performance while reducing the static power consumption, can meet different audio requirements, and the ACM8629 stereo digital power amplifier chip is also a highly integrated dual-channel digital input power amplifier chip, which integrates various audio algorithms, can make up for the deficiency of the loudspeaker, and adopts a high-precision digital input interface, can receive and analyze audio signals from various digital sources, ensures that the audio data is lossless and low-delay in the transmission process. The ACM8625S stereo digital power amplifier chip and the ACM8629 stereo digital power amplifier chip are connected with the Bluetooth system-level chip through an integrated audio interface, can realize various audio effect adjustment, enhance the audio playing effect, and meet the use requirements in different scenes.

[0032] In the embodiment of the utility model, the light emitting diode LED driver adopts an HTR3316 multifunctional light emitting diode LED driver.

[0033] Specifically, the HTR3316 multifunctional light emitting diode (LED) driver supports multiple multifunctional input and output ports, each port can be configured as an LED driving mode or a general input and output mode, in the LED mode, the LED driver can support 256-order linear dimming, and at the same time, it can save the power consumption of the master control chip, makes the light effect more vivid and energy-saving.

[0034] In the embodiment of the utility model, the full-color LED light bar adopts a WS2812B full-color LED light bar.

[0035] The WS2812B full-color LED light bars are connected in series through cascading, and the display data cascading output port of each WS2812B full-color LED light bar is connected with the display data input port of the adjacent WS2812B full-color LED light bar.

[0036] Specifically, the full-color LED light bar adopts WS2812B full-color LED light bar, and 24-bit pulse width modulation data is sent to the light bar in a specific time sequence according to the format of three primary colors, so as to control the color and flashing mode of the light bar. The WS2812B full-color LED light bar is connected in cascade in series, and can display 256 levels of brightness of red, green and blue three colors, and realize rich and colorful effect by adjusting the brightness of the three colors. The display data cascade output port of each WS2812B full-color LED light bar is connected with the display data input port of the adjacent WS2812B full-color LED light bar. Meanwhile, in the cascade serial connection between the WS2812B full-color LED light bars, a resistor-capacitor circuit is added. The resistor-capacitor circuit can eliminate high-frequency noise signals and harmonics, ensure stable transmission of data signals between the lamp beads, and is not affected by external power supply or other signals. The resistor-capacitor circuit can be used as a low-pass filter to eliminate high-frequency components in the signal and ensure the purity of the data signal, avoiding transmission errors caused by high-frequency noise. The impedance between the lamp bead cascade data ports may not be consistent, causing signal reflection, attenuation and other problems. After connecting the resistor-capacitor circuit, the impedance of the circuit can be adjusted to achieve better impedance matching, reduce signal reflection and attenuation, and ensure efficient transmission of signals between the lamp beads. In high-speed data transmission, the rising time and falling time of the signal have high requirements on the time sequence. The resistor-capacitor circuit can control these characteristics of the signal by providing a suitable time constant to ensure that the signal meets the specific timing requirements when transmitted between the lamp strips. The real-time smoothness of the light bar is improved, and the synchronization performance of the light and music is greatly improved.

[0037] In summary, the embodiment of the utility model provides a kind of audio equipment intelligent control system, the BT8961B6 bluetooth system chip with low-power bluetooth data transmission function is used, while its built-in high-fidelity digital signal processor meets the realization needs of various sound effects, even in complex environment still can guarantee the stability of audio equipment control, effectively improve the performance of audio equipment bluetooth connection, to meet the intelligent control needs of user to audio equipment. Through the cooperation of the first power amplifier chip and the second power amplifier chip, the audio quality can be effectively improved, providing users with a higher quality audio playback experience. At the same time, through the cooperation of the HTR3316 multifunctional LED driver and each WS2812B full-color LED light bar with the bluetooth system chip, the light and sound field can be perfectly integrated, meeting the user's light effect needs for different music types and personal tastes, realizing the intelligent control of the audio equipment, and providing users with sufficient personalized and intelligent use experience.

[0038] Those skilled in the art can understand that all or part of the steps in the above-mentioned various methods of the embodiments can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer readable storage medium, which can include a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0039] In addition, the above provides a detailed description of the audio device intelligent control system provided by the embodiment of the present application, and the principle and implementation mode of the present application are described by using specific examples in this paper. The above embodiment is only used to help understand the method and core idea of the present application. At the same time, for those skilled in the art, according to the idea of the present application, the specific implementation mode and application range will be changed. In view of the above, the content of the specification should not be understood as a limitation of the present application.

Claims

1. An audio device intelligent control system, characterized in that, The audio equipment intelligent control system comprises a Bluetooth system chip, a power management module, an operational amplifier, a noise reduction earphone chip, a first power amplifier chip, a second power amplifier chip, a light emitting diode (LED) driver, a plurality of full-color LED light strips, a microphone, a storage module and a loudspeaker. The Bluetooth system chip is connected with the power management module, the operational amplifier, the noise reduction earphone chip, the first power amplifier chip, the second power amplifier chip, the LED driver, the plurality of full-color LED light strips, the microphone, the storage module and the loudspeaker respectively.

2. The audio device intelligent control system of claim 1, wherein, The Bluetooth system chip adopts a BT8961B6 Bluetooth system chip.

3. The audio device intelligent control system of claim 2, wherein, The BT8961B6 Bluetooth system chip is internally provided with a high-fidelity digital signal processor.

4. The audio device intelligent control system of claim 1, wherein, The power management module comprises an SC89171 synchronous step-down charge controller, an ME6322 low-voltage difference linear voltage stabilizer, a TPS4302 synchronous step-down converter, a TPS2546 charge port controller, an RY9332 step-down switch mode converter and an HT7179 high-efficiency non-synchronous step-up converter.

5. The audio device intelligent control system of claim 1, wherein, The operational amplifier adopts a BL3702 low-noise operational amplifier which is connected with the Bluetooth system chip through a left-right sound channel switching circuit.

6. The audio device intelligent control system of claim 1, wherein, The noise reduction earphone chip adopts an AB5632G noise reduction earphone chip which is connected with the Bluetooth system chip through an integrated audio interface.

7. The audio device intelligent control system of claim 1, wherein, The first power amplifier chip adopts an ACM8625S stereo digital power amplifier chip, and the second power amplifier chip adopts an ACM8629 stereo digital power amplifier chip, which are connected with the Bluetooth system chip through an integrated audio interface.

8. The audio device intelligent control system of claim 1, wherein, The LED driver adopts an HTR3316 multifunctional LED driver.

9. The audio device intelligent control system of claim 1, wherein, The full-color LED light strips adopt WS2812B full-color LED light strips.

10. The audio device intelligent control system of claim 9, wherein, The WS2812B full-color LED light strips are connected in series through cascading, and the display data cascading output port of each WS2812B full-color LED light strip is connected with the display data input port of the adjacent WS2812B full-color LED light strip.

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