CN220873123U - Sound pressure output dynamic power supply control system - Google Patents
Sound pressure output dynamic power supply control system Download PDFInfo
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- CN220873123U CN220873123U CN202322642982.1U CN202322642982U CN220873123U CN 220873123 U CN220873123 U CN 220873123U CN 202322642982 U CN202322642982 U CN 202322642982U CN 220873123 U CN220873123 U CN 220873123U
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Abstract
The utility model discloses a sound pressure output dynamic power supply control system, which comprises: central processing unit, operational amplifier, matrix integrated circuit, audio and speech processor, analog to digital converter, bluetooth chip, microphone, encoder, power amplifier, speaker and multistage unit chip, wherein: the central processing unit is respectively connected with the operation amplifier, the matrix integrated circuit, the audio and voice processor, the analog-to-digital converter, the Bluetooth chip, the microphone, the encoder, the power amplifier, the loudspeaker and the multi-stage unit chip, the operation amplifier is respectively connected with the matrix integrated circuit and the encoder, the audio and voice processor is respectively connected with the multi-stage unit chip and the encoder, and the multi-stage unit chip is respectively connected with the Bluetooth chip, the microphone and the analog-to-digital converter. According to the utility model, the operation amplifier is matched with the matrix integrated circuit, so that the voltage output is dynamically controlled according to the sound pressure, and the endurance time can be prolonged.
Description
Technical Field
The utility model relates to the technical field of electronic circuits, in particular to a sound pressure output dynamic power supply control system.
Background
At present, along with the improvement of living standard, people purchase electronic products more and more, but part of electronic products keep high-range output voltage for a long time, so that the loss of a battery is increased, the duration of the battery is reduced along with the loss, and the service life of the electronic products is reduced; in this regard, a sound pressure output dynamic power supply control technology is provided, the dynamic range of the output voltage of a boost circuit powered by a battery is controlled according to the size of sound, the working efficiency of the circuit is improved, the loss of the battery is reduced, the battery endurance time is prolonged in a control mode of the size of dynamic sound pressure, the battery utilization rate of an electronic product is maximized, and the product endurance time and the service life can be prolonged.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a sound pressure output dynamic power supply control system which can realize dynamic control of voltage output through sound pressure magnitude by matching an operation amplifier with a matrix integrated circuit, so that the endurance time can be prolonged.
The utility model provides a sound pressure output dynamic power supply control system, which comprises: central processing unit, operational amplifier, matrix integrated circuit, audio and speech processor, analog to digital converter, bluetooth chip, microphone, encoder, power amplifier, speaker and multistage unit chip, wherein:
The central processing unit is respectively connected with the operation amplifier, the matrix integrated circuit, the audio and voice processor, the analog-to-digital converter, the Bluetooth chip, the microphone, the encoder, the power amplifier, the loudspeaker and the multi-stage unit chip, the operation amplifier is respectively connected with the matrix integrated circuit and the encoder, the audio and voice processor is respectively connected with the multi-stage unit chip and the encoder, and the multi-stage unit chip is respectively connected with the Bluetooth chip, the microphone and the analog-to-digital converter.
Optionally, the operational amplifier adopts a TLV9062S low-voltage operational amplifier.
Alternatively, the matrix integrated circuit employs an SLG46140 programmable mixed signal matrix integrated circuit.
Optionally, the SLG46140 programmable mixed signal matrix integrated circuit incorporates a non-volatile memory, a number of discrete integrated circuits, and passive components.
Optionally, the analog-to-digital converter is a CS5361 stereo analog-to-digital converter.
Optionally, the bluetooth chip adopts a QCC3021 bluetooth chip.
Alternatively, the encoder is a PCM5121 encoder.
Optionally, the multi-level cell chip adopts an MLC3740 multi-level cell chip.
Optionally, the sound pressure output dynamic power supply control system further comprises a SY7901 voltage controller and a RY3420 single-chip synchronous buck regulator, wherein the SY7901 voltage controller is respectively connected with the RY3420 single-chip synchronous buck regulator, the encoder and the central processing unit.
Optionally, the sound pressure output dynamic power supply control system further comprises an LED driver, and the LED driver is connected with the multi-stage unit chip.
In the utility model, the operation amplifier is matched with the matrix integrated circuit, in the feedback sampling signal, the operation amplifier is used for sampling, the input and output swing capacity between the rails are used for processing, the feedback sampled signal is processed and controlled by the matrix integrated circuit, and the dynamic range of the output voltage of the battery power supply booster circuit is coordinated and controlled by the matrix integrated circuit and the operation amplifier according to the dynamic sound pressure of the power amplifier input, so that the working efficiency of the circuit is improved, the loss of the battery is reduced, the voltage output is dynamically controlled according to the sound pressure, the highest efficiency is maintained when the battery works, the loss is not increased, and the endurance time is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a sound pressure output dynamic power supply control system in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a sound pressure output dynamic power control system in an embodiment of the utility model;
Fig. 3 is a circuit diagram of an SLG46140 programmable mixed signal matrix integrated circuit controlling dynamic boosting in an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and fig. 2, fig. 1 shows a schematic structural diagram of a sound pressure output dynamic power supply control system in an embodiment of the present utility model, and fig. 2 shows a specific schematic diagram of a sound pressure output dynamic power supply control system in an embodiment of the present utility model, where the sound pressure output dynamic power supply control system includes: central processing unit, operational amplifier, matrix integrated circuit, audio and speech processor, analog to digital converter, bluetooth chip, microphone, encoder, power amplifier, speaker and multistage unit chip, wherein: the central processing unit is respectively connected with the operation amplifier, the matrix integrated circuit, the audio and voice processor, the analog-to-digital converter, the Bluetooth chip, the microphone, the encoder, the power amplifier, the loudspeaker and the multi-stage unit chip, the operation amplifier is respectively connected with the matrix integrated circuit and the encoder, the audio and voice processor is respectively connected with the multi-stage unit chip and the encoder, and the multi-stage unit chip is respectively connected with the Bluetooth chip, the microphone and the analog-to-digital converter.
In the implementation process of the utility model, the central processing unit is used for integrally controlling the whole system, the operation amplifier is used for sampling, isolating, shaping, comparing and converting input sound signals, the matrix integrated circuit is used for coordinately controlling the dynamic range of the output voltage of the battery power supply sound pressure circuit, the audio and voice processor is used for processing the audio and voice and improving the tone quality of the audio and voice, the analog-digital converter is used for converting the input signals, the Bluetooth chip is responsible for providing the Bluetooth function of the system, the microphone and the loudspeaker are used for playing out the sound, the encoder is used for programming and converting the signals or data into signal forms which can be used for communication, transmission and storage, the power amplifier is used for adjusting the power of sound playing, and the multi-stage unit chip is used for providing the flash memory function and the unit management function of the system.
In the implementation process of the utility model, the operation amplifier adopts a TLV9062S low-voltage operation amplifier.
Specifically, the TLV9062S low-voltage operational amplifier is an operational amplifier with inter-rail input and output swing capabilities, the TLV9062S low-voltage operational amplifier is used for feedback sampling of signals, signals at the input end of the power amplifier reach the TLV9062S low-voltage operational amplifier, and the signals are isolated 1 in an opposite phase manner: 1, converting a rectified alternating current signal into a direct current signal through a low-voltage operation amplifier of a second stage TLV9062S, adding a monitoring signal of which the primary rectification accords with the output, sampling a signal from an input end of a power amplifier to a third stage, inputting the rectifying signal in phase into the third stage, converting the direct current signal of the second stage into a direct current signal, and superposing the direct current signal of the second stage to the rectifying signal of the third stage, and inverting the rectifying signal of the third stage into a direct current signal, so that the problems of signal superposition detection and non-delay of speed are solved, and the problems of stable misjudgment of a receiving signal of a later SLG46140 programmable mixed signal matrix integrated circuit and non-delay of the whole system are solved. The stability of the whole system circuit is based only by adding a third-stage superposition circuit through repeated debugging verification, and the operational amplifier adopts resistance type open-loop output impedance, so that stable processing can be realized more easily under higher capacitive load.
In the implementation of the present utility model, the matrix integrated circuit is an SLG46140 programmable mixed signal matrix integrated circuit.
Specifically, the SLG46140 programmable mixed signal matrix integrated circuit is an integrated circuit that performs multi-layer processing and coordination on signals, as shown in fig. 3, the processed signals are input into the SLG46140 programmable mixed signal matrix integrated circuit through 6 pins, the received signals are identified, the built-in voltage level detection circuit performs high-low processing on signal amplitude, then the processed signals are output through 3 pins through signal delay processing, target detection processing and level shift and conversion processing, the voltage boosting circuit is controlled according to corresponding output values, so that the voltage boosting is in the highest efficiency state, when the power amplification input signal is large, the voltage boosting voltage is increased to the output voltage meeting the power amplification sound effect, when the power amplification input signal is small, the efficiency is increased, the loss of a battery is reduced, and the battery endurance time is increased.
In the implementation process of the utility model, the SLG46140 programmable mixed signal matrix integrated circuit is internally provided with a nonvolatile memory, a plurality of discrete integrated circuits and passive components.
Specifically, the SLG46140 programmable mixed signal matrix integrated circuit is internally provided with a nonvolatile memory, a combination logic element is constructed by programming the nonvolatile memory, the SLG46140 programmable mixed signal matrix integrated circuit is internally provided with a plurality of discrete integrated circuits and passive components, mainly a level shift and conversion circuit, a target detection component, a reset signal control circuit, a signal delay circuit and a voltage level control component, the level shift and conversion circuit carries out signal level conversion, the target detection component is responsible for detecting the existence of a signal, the reset signal control circuit enables the circuit to enter an operation state capable of stably operating, the signal delay circuit can improve the signal transmission and processing speed, the voltage level control component can better control the voltage level, the stability of the circuit is ensured, and various built-in discrete integrated circuits and passive components construct complete combination logic, so that various processes on system signals can be completed.
In the implementation process of the utility model, the analog-to-digital converter adopts a CS5361 stereo analog-to-digital converter.
Specifically, the CS5361 stereo analog-to-digital converter is a full-scale audio analog-to-digital converter suitable for use in a system that performs sampling, digital-to-analog conversion, and antialiasing filtering to generate 24-bit values for left and right inputs in serial format at a sampling rate of up to 192kHz per channel. CS5361 employs a five-order multi-bit DELTA SIGMA modulator and digital filtering and decimation without the need for an external anti-aliasing filter. The analog-to-digital converter utilizes a differential architecture, so the use of a CS5361 stereo analog-to-digital converter can provide a more accurate signal conversion process for the system and can provide superior noise suppression.
In the implementation process of the utility model, the Bluetooth chip adopts a QCC3021 Bluetooth chip.
Specifically, the QCC3021 Bluetooth chip is used as the Bluetooth function of the system, the QCC3021 Bluetooth chip supports the new generation Bluetooth audio technical standard, the four-core processor is arranged in the chip, the working frequency can be flexibly adjusted, the QCC3021 Bluetooth chip combines high-performance audio with low power consumption, high-quality audio output is kept, the duration is not reduced due to high power consumption, the audio transmission speed is faster than that of a common Bluetooth chip, and therefore stable Bluetooth experience is brought to a user.
In the practice of the present utility model, the encoder is a PCM5121 encoder.
Specifically, the PCM5121 encoder is adopted to accurately restore an audio signal, so that the audio quality is very high and is close to that of original analog audio, and a PCM audio stream obtained by encoding by using the PCM5121 encoder is a universal digital audio format, which can be widely applied to various devices, so that the encoder has high compatibility and high fidelity, and the PCM5121 encoder can improve the transmission quality and resolution of the signal, make the signal clearer, use less bandwidth to transmit the signal, reduce the power consumption of use and prolong the duration.
In the implementation process of the utility model, the multi-level cell chip adopts an MLC3740 multi-level cell chip.
Specifically, the capacity of the MLC3740 multi-level cell chip is large enough, and the MLC3740 multi-level cell chip can accommodate a plurality of cells in the system, and the multi-level cell chip can store more than 4 charging values at a time, so that the multi-level cell chip has a good storage density, so that a plurality of different cells of the system can be stored in different storage cells of the multi-level cell chip, different cells of the system can be effectively stored, and the storage security can be ensured.
In the implementation process of the utility model, the sound pressure output dynamic power supply control system further comprises a SY7901 voltage controller and a RY3420 single-chip synchronous buck regulator, wherein the SY7901 voltage controller is respectively connected with the RY3420 single-chip synchronous buck regulator, the encoder and the central processing unit.
Specifically, the SY7901 voltage controller is a current mode DC/DC controller, the SY7901 voltage controller has accurate direct current input current limitation, can flexibly adjust a control loop, converts a direct current power supply (DC) from another different direct current voltage (DC), compares an output voltage with a reference voltage through a voltage dividing resistor, and forms feedback, and when the output voltage is reduced and is lower than the reference voltage, the comparator output turns over and triggers the oscillating circuit to start working. The oscillation circuit outputs a pulse with fixed time for controlling the conduction of the MOS tube. On the contrary, the MOS tube is cut off, wherein the conduction is controlled by the oscillator, the cut-off time depends on the load, and the output voltage can be controlled by the method; the RY3420 single-chip synchronous buck regulator adopts a high-efficiency single-chip synchronous regulator structure with constant-frequency current mode, the structure is very suitable for battery-powered application equipment, the service life of a battery can be effectively prolonged, and the voltage output can be more effectively controlled by combining the SY7901 voltage controller and the RY3420 single-chip synchronous buck regulator, and the service life of the battery can be prolonged.
In the implementation process of the utility model, the sound pressure output dynamic power supply control system further comprises an LED driver, and the LED driver is connected with the multistage unit chip.
In particular, the LED driver is used to drive the voltage and current to emit light with high reliability and high efficiency, and the LED driver is used to prevent the LED from being too high in temperature, which may cause malfunction of system equipment.
In summary, in the embodiment of the utility model, the operational amplifier is matched with the matrix integrated circuit, in the feedback sampling signal, the operational amplifier is used for sampling, the input and output swing capacity between tracks of the feedback sampling signal is used for processing, the feedback sampled signal is used for processing and controlling sound through the matrix integrated circuit, the matrix integrated circuit and the operational amplifier are used for coordinately controlling the dynamic range of the output voltage of the battery power supply boost circuit according to the dynamic sound pressure of the power amplifier input, the working efficiency of the circuit is improved, the loss of the battery is reduced, the voltage output is dynamically controlled according to the sound pressure, the highest efficiency is kept but the loss is not increased when the battery works, and the endurance time can be prolonged.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be implemented by a program to instruct related hardware, the program may be stored in a computer readable storage medium, and the storage medium may include: read Only Memory (ROM), random access Memory (RAM, random Access Memory), magnetic or optical disk, and the like.
In addition, the above description has been made in detail of a sound pressure output dynamic power supply control system provided by the embodiment of the present utility model, and specific examples should be adopted herein to illustrate the principles and embodiments of the present utility model, where the description of the above examples is only for helping to understand the method and core ideas of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (10)
1. A sound pressure output dynamic power supply control system, characterized in that the sound pressure output dynamic power supply control system comprises: central processing unit, operational amplifier, matrix integrated circuit, audio and speech processor, analog to digital converter, bluetooth chip, microphone, encoder, power amplifier, speaker and multistage unit chip, wherein:
The central processing unit is respectively connected with the operation amplifier, the matrix integrated circuit, the audio and voice processor, the analog-to-digital converter, the Bluetooth chip, the microphone, the encoder, the power amplifier, the loudspeaker and the multi-stage unit chip, the operation amplifier is respectively connected with the matrix integrated circuit and the encoder, the audio and voice processor is respectively connected with the multi-stage unit chip and the encoder, and the multi-stage unit chip is respectively connected with the Bluetooth chip, the microphone and the analog-to-digital converter.
2. The acoustic pressure output dynamic power control system of claim 1, wherein the operational amplifier employs a TLV9062S low voltage operational amplifier.
3. The acoustic pressure output dynamic power control system of claim 1, wherein the matrix integrated circuit employs an SLG46140 programmable mixed signal matrix integrated circuit.
4. The acoustic pressure output dynamic power control system of claim 3, wherein the SLG46140 programmable mixed signal matrix integrated circuit incorporates a non-volatile memory, a number of discrete integrated circuits, and passive components.
5. The acoustic pressure output dynamic power control system of claim 1, wherein the analog-to-digital converter is a CS5361 stereo analog-to-digital converter.
6. The acoustic pressure output dynamic power control system of claim 1, wherein the bluetooth chip is a QCC3021 bluetooth chip.
7. The acoustic pressure output dynamic power control system of claim 1, wherein the encoder employs a PCM5121 encoder.
8. The acoustic pressure output dynamic power control system of claim 1, wherein the multi-level cell chip employs an MLC3740 multi-level cell chip.
9. The acoustic pressure output dynamic power supply control system of claim 1, further comprising a SY7901 voltage controller and a RY3420 single-chip synchronous buck regulator, wherein the SY7901 voltage controller is respectively connected to the RY3420 single-chip synchronous buck regulator, the encoder, and the central processor.
10. The acoustic pressure output dynamic power control system of claim 1, further comprising an LED driver connected to the multi-level cell chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322642982.1U CN220873123U (en) | 2023-09-27 | 2023-09-27 | Sound pressure output dynamic power supply control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322642982.1U CN220873123U (en) | 2023-09-27 | 2023-09-27 | Sound pressure output dynamic power supply control system |
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| CN220873123U true CN220873123U (en) | 2024-04-30 |
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| CN202322642982.1U Active CN220873123U (en) | 2023-09-27 | 2023-09-27 | Sound pressure output dynamic power supply control system |
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- 2023-09-27 CN CN202322642982.1U patent/CN220873123U/en active Active
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