CN214544789U - Power amplifier all-in-one machine with network audio-video playing function - Google Patents
Power amplifier all-in-one machine with network audio-video playing function Download PDFInfo
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- CN214544789U CN214544789U CN202120957587.0U CN202120957587U CN214544789U CN 214544789 U CN214544789 U CN 214544789U CN 202120957587 U CN202120957587 U CN 202120957587U CN 214544789 U CN214544789 U CN 214544789U
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Abstract
The utility model discloses a power amplifier all-in-one of audio-visual broadcast of tape network, including treater, audio signal switching unit, audio signal processing unit, power amplifier, audio amplifier, display screen, wiFi unit, bluetooth unit, network interface, memory cell and function control unit, multichannel audio signal is connected to audio signal switching unit's input to select audio signal output of the same kind to give audio signal processing unit, audio signal processing unit's output is connected the input of treater, the output of treater is connected respectively power amplifier and display screen, power amplifier connects the audio amplifier, wiFi unit, bluetooth unit, network interface, memory cell and function control unit respectively with the input of treater is connected. The utility model discloses a multiple functions satisfies people's multiple demand.
Description
Technical Field
The utility model relates to a power amplifier technical field specifically is a power amplifier all-in-one of audio-visual broadcast of band network.
Background
The power amplifier is commonly called as a loudspeaker and has the function of amplifying weak signals from a sound source or a preceding stage amplifier to push a sound box to play sound, and the power amplifier of a set of high-quality sound system has very important function.
With the popularity and the development of live video, small video APP, various karaoke software and popular square dance, the sound sources are more and more abundant, people have the requirements on audio not only for listening to songs but also for karaoke, and the video watching is not limited to the rebroadcasting of television stations but also from the network. But current power amplifier device function is comparatively single, can not satisfy multiple audio signal's processing, consequently the utility model provides a take audio-visual power amplifier all-in-one of broadcast of network.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power amplifier all-in-one of audio-visual broadcast of tape network aims at satisfying multiple audio signal's input to can broadcast video etc..
The utility model discloses a realize like this:
the utility model provides a power amplifier all-in-one of audio-visual broadcast of band-pass network, includes treater, audio signal switching unit, audio signal processing unit, power amplifier, audio amplifier, display screen, wiFi unit, bluetooth unit, network interface, memory cell and function control unit, multichannel audio signal is connected to audio signal switching unit's input to select audio signal output of the same kind to give audio signal processing unit, audio signal processing unit's output is connected the input of treater, the output of treater is connected respectively power amplifier and display screen, power amplifier connects the audio amplifier, wiFi unit, bluetooth unit, network interface, memory cell and function control unit respectively with the input of treater is connected.
Further, the processor adopts an Allwinner H3 SoC chip.
Further, the audio switching unit adopts a74 HC4052 audio switching chip.
Further, a plurality of processing subunits of the audio signal processing unit, the processing subunit at least includes an optical fiber audio signal processing unit, a microphone audio signal processing unit and a network audio signal processing unit, the optical fiber audio signal processing unit includes a DA conversion chip connected with the audio switching unit, a decoding chip connected with the DA conversion chip, and an operational amplifier connected with the decoding chip, the DA conversion chip adopts a CS4334 chip, the decoding chip adopts a CS8415a chip, and the operational amplifier adopts NE 5532.
Further, the microphone audio signal processing unit comprises a microphone signal amplifying unit and a reverberation unit, the microphone signal amplifying unit adopts an NE5532 chip, and the reverberation unit adopts a TM62M0001 chip.
Further, a display driving chip is arranged in the display screen, and the display driving chip adopts AIP 629.
Furthermore, the power amplifier is composed of a pair of tube power amplifier amplifying circuits composed of a triode A1943 and a triode C5200.
Further, the network interface adopts an RJ45 interface, the Bluetooth unit adopts an ac1810e Bluetooth chip, and the WiFi unit adopts an ESP8089 chip.
Further, the function control unit comprises a volume adjusting knob, a microphone echo adjusting knob, a delay adjusting knob, an effect adjusting knob, a bass adjusting knob, a middle tone adjusting knob, a treble adjusting knob, a play control key, an input signal channel key, a next music control key, a play/pause control key and a previous music control key.
Compared with the prior art, the beneficial effects of the utility model are that: this application can handle multiple audio signal and enlarge through setting up audio signal switching unit, network interface, wiFi unit and bluetooth unit etc. can also play the video simultaneously, can also K song, has realized multiple functions, satisfies people's multiple demand.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic circuit structure diagram of the power amplifier all-in-one machine with network audio-video playing of the utility model.
100, a processor; 200. an audio signal switching unit; 300. an audio signal processing unit; 400. a display screen; 500. a power amplifier; 600. a sound box; 700. a storage unit; 800. a network interface; 900. a WiFi unit; 1001. a Bluetooth unit; 1002. a function control unit.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, a power amplifier all-in-one machine with network audio and video playing function includes a processor 100, an audio signal switching unit 200, an audio signal processing unit 300, a power amplifier 500, a sound box 600, a display screen 400, a WiFi unit, a bluetooth unit 1001, a network interface 800, a storage unit 700, and a function control unit 1002, wherein an input end of the audio signal switching unit 200 is connected to multiple audio signals, such as a network audio signal, a background audio signal, an optical fiber audio signal, a bluetooth audio signal, and a microphone audio signal. And one path of audio signal is selected to be output to the audio signal processing unit 300, the output end of the audio signal processing unit 300 is connected to the input end of the processor 100, the output end of the processor 100 is respectively connected to the power amplifier 500 and the display screen 400, the power amplifier 500 is connected to the sound box 600, and the WiFi unit, the bluetooth unit 1001, the network interface 800, the storage unit 700 and the function control unit 1002 are respectively connected to the input end of the processor 100.
The memory unit 700 includes an internal memory chip and an external memory chip, the internal memory chip is a 512M PFE13 memory chip, and the external memory chip is a D9PFX chip, which is 32G in total.
Further, the processor 100 employs an Allwinner H3 chip.
In the application, an Allwinner H3 chip supports H.265/HEVC 4K @30fps video hard solution based on an ARM Cortex-A74 core architecture, a GPU is Mali400MP2, the working frequency exceeds 600MHz, a t-buffer based on ARM TrustZone security technology is built in, and a latest SmartColor beautiful color display engine of full-log science and technology is integrated.
Further, the audio switching unit adopts a74 HC4052 audio switching chip.
Further, a plurality of processing subunits of audio signal processing unit 300, the processing subunits include at least optical fiber audio signal processing unit 300, microphone audio signal processing unit 300 and network audio signal processing unit 300, optical fiber audio signal processing unit 300 includes the DA conversion chip connected with the audio switching unit, with the decoding chip that the DA conversion chip is connected, with the operational amplifier that the decoding chip is connected DA conversion chip adopts the CS4334 chip, the decoding chip adopts the CS8415a chip, the operational amplifier adopts NE 5532.
Further, the microphone audio signal processing unit 300 includes a microphone signal amplifying unit and a reverberation unit, the microphone signal amplifying unit employs an NE5532 chip, and the reverberation unit employs a TM62M0001 chip.
In one example, the network audio signal processing unit 300 may include a decoding chip and an amplifying chip.
Further, a display driver chip is built in the display screen 400, and the display driver chip is AIP 629. AIP1629A is a chip dedicated to LED driving, and has circuits such as MCU digital interface and data latch built therein. The method is mainly applied to the drive control of the display screen 400 of products such as a refrigerator, an air conditioner, a home theater and the like.
Further, the power amplifier 500 is composed of a pair of transistor power amplifier amplifying circuits composed of a triode a1943 and a triode C5200.
Further, the network interface 800 adopts an RJ45 interface, the bluetooth unit 1001 adopts an ac1810e bluetooth chip, and the WiFi unit adopts an ESP8089 chip.
The ESP8089 chip can be matched with any microcontroller, wireless network access can be realized on any processor 100 in matching, network connection only needs to pass through an SPI/SDIO interface, the operation is simple and easy, and the ESP8089 can be directly connected to a cellular baseband and an application processor 100 through the SPI/SDIO or a memory mapping parallel interface. Because of the built-in processing and memory functions of ESP8089, it can minimize the pre-development and operational load of processor 100 when integrated with processor 100. The ESP8089 integrates the antenna switch balun and the power management adapter on-chip, so that only minimal external circuitry is required.
Further, the function control unit 1002 includes a volume adjustment knob, a microphone echo adjustment knob, a delay adjustment knob, an effect adjustment knob, a bass adjustment knob, a mediant adjustment knob, a treble adjustment knob, a play control key, an input signal channel key, a succeeding song control key, a play/pause control key, a preceding song control key, and the like.
The working principle is as follows:
the WiFi unit or the bluetooth unit 1001 may be connected to a mobile terminal such as a mobile phone, and music in the mobile terminal is input to the power amplifier all-in-one machine, selectively switched in by the audio signal switching unit 200, and output sufficient power to push the sound box 600 to work through the power amplifier 500 after passing through the audio signal processing unit 300; when karaoke is required, the microphone audio signal is switched into the microphone audio signal processing unit 300 through the audio signal switching unit 200, the microphone signal is amplified, reverberated and the like, then amplified and output through the power amplifier 500, and videos can be played through the display screen 400.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a power amplifier all-in-one of audio-visual broadcast of band-pass network, its characterized in that, includes treater, audio signal switching unit, audio signal processing unit, power amplifier, audio amplifier, display screen, wiFi unit, bluetooth unit, network interface, memory cell and function control unit, multichannel audio signal is connected to audio signal switching unit's input to select audio signal output of the same kind to give audio signal processing unit, audio signal processing unit's output is connected the input of treater, the output of treater is connected respectively power amplifier and display screen, power amplifier connects the audio amplifier, wiFi unit, bluetooth unit, network interface, memory cell and function control unit respectively with the input of treater is connected.
2. The power amplifier all-in-one machine with network audio-video playing function of claim 1, wherein the processor is an Allwinner H3 SoC chip.
3. The all-in-one power amplifier with network audio and video playing function of claim 1, wherein the audio switching unit is a74 HC4052 audio switching chip.
4. The power amplifier all-in-one machine with network audio-visual playing function of claim 1, wherein the audio signal processing unit comprises a plurality of processing subunits, the processing subunits at least comprise an optical fiber audio signal processing unit, a microphone audio signal processing unit and a network audio signal processing unit, the optical fiber audio signal processing unit comprises a DA conversion chip connected with the audio switching unit, a decoding chip connected with the DA conversion chip, and an operational amplifier connected with the decoding chip, wherein the DA conversion chip adopts a CS4334 chip, the decoding chip adopts a CS8415a chip, and the operational amplifier adopts NE 5532.
5. The power amplifier all-in-one machine with network audio-visual playing of claim 4, characterized in that, the microphone audio signal processing unit includes a microphone signal amplifying unit and a reverberation unit, the microphone signal amplifying unit adopts NE5532 chip, the reverberation unit adopts TM62M0001 chip.
6. The all-in-one power amplifier with network video and audio playing function of claim 1, wherein a display driver chip is built in the display screen, and the display driver chip is AIP 629.
7. The all-in-one power amplifier with network video and audio playing function of claim 1, wherein the power amplifier is composed of a pair of transistor power amplifier amplifying circuits composed of a triode A1943 and a triode C5200.
8. The all-in-one machine with the function of playing network audio and video of claim 1, wherein the network interface is an RJ45 interface, the bluetooth unit is an ac1810e bluetooth chip, and the WiFi unit is an ESP8089 chip.
9. The power amplifier all-in-one machine with network video and audio playing function of claim 1, wherein the function control unit comprises a volume adjusting knob, a microphone echo adjusting knob, a delay adjusting knob, an effect adjusting knob, a bass adjusting knob, a middle-tone adjusting knob, a treble adjusting knob, a playing control key, an input signal channel key, a back song control key, a playing/pause control key and a previous song control key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120957587.0U CN214544789U (en) | 2021-05-07 | 2021-05-07 | Power amplifier all-in-one machine with network audio-video playing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120957587.0U CN214544789U (en) | 2021-05-07 | 2021-05-07 | Power amplifier all-in-one machine with network audio-video playing function |
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| Publication Number | Publication Date |
|---|---|
| CN214544789U true CN214544789U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120957587.0U Active CN214544789U (en) | 2021-05-07 | 2021-05-07 | Power amplifier all-in-one machine with network audio-video playing function |
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| CN (1) | CN214544789U (en) |
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2021
- 2021-05-07 CN CN202120957587.0U patent/CN214544789U/en active Active
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