CN220798229U - Front-mounted power amplifier of vehicle-mounted electronic tube liner machine - Google Patents
Front-mounted power amplifier of vehicle-mounted electronic tube liner machine Download PDFInfo
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- CN220798229U CN220798229U CN202322025930.XU CN202322025930U CN220798229U CN 220798229 U CN220798229 U CN 220798229U CN 202322025930 U CN202322025930 U CN 202322025930U CN 220798229 U CN220798229 U CN 220798229U
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- 239000003990 capacitor Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract 2
- 230000003321 amplification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a front-mounted power amplifier of a vehicle-mounted electronic tube liner machine, which comprises a sound source reading module, an intelligent booster circuit, a DSP (digital signal processor) audio processing module, a four-way electronic tube amplifying module, a vehicle-mounted front-mounted level power amplifier module and an output unit; the sound source reading module and the DSP audio processing module are in digital transmission through an IIS, and the DSP audio processing module is connected with the four-way valve amplifying module through direct current coupling; the intelligent booster circuit is connected with four paths of electron tube amplifying modules through an electron tube high-voltage power supply circuit, and the four paths of electron tube amplifying modules are connected with four vehicle-mounted front-loading power amplifying modules through coupling capacitors; and the four vehicle-mounted front loading stage power amplifier modules are output to the output unit. The utility model increases the level of sound quality by adopting the special even wave of the electron tube, has rich overtones, can obviously improve the sound quality and can reach the best sense of listening to songs.
Description
Technical Field
The utility model relates to a vehicle-mounted power amplifier, in particular to a front-mounted power amplifier of a vehicle-mounted electronic tube liner machine.
Background
The vehicle-mounted power amplifier plays roles of amplifying audio signals, improving tone quality, driving speakers, increasing sound effects and the like in a vehicle sound system, so that music in the vehicle is clearer, more dynamic and enjoyable; many electron tubes of household category are very common, and the on-vehicle category is limited by space and power supply voltage and does not adopt the electron tube, leads to the fact that tone quality is inaudible to be hard to feel inaudible when current on-vehicle power amplifier plays the human voice, is unfavorable for the use.
Disclosure of Invention
The utility model aims to solve the technical problem that the front-mounted power amplifier of the vehicle-mounted electronic tube liner machine can obviously improve the sound quality and achieve the best song listening feeling by using an electronic tube circuit.
The utility model discloses a front-mounted power amplifier of a vehicle-mounted electronic tube liner machine, which is realized by the following technical scheme: the intelligent booster circuit comprises a sound source reading module, an intelligent booster circuit, a DSP audio processing module, a four-way valve amplifying module, a vehicle-mounted front loading level power amplifying module and an output unit;
the sound source reading module and the DSP audio processing module are transmitted through IIS numbers, and the DSP audio processing module is connected with the four-way valve amplifying module through direct current coupling; the intelligent booster circuit is connected with four paths of electron tube amplifying modules through an electron tube high-voltage power supply circuit, and the four paths of electron tube amplifying modules are connected with four vehicle-mounted front-loading power amplifying modules through coupling capacitors; and the four vehicle-mounted front loading stage power amplifier modules are output to the output unit.
As an optimal technical scheme, the sound source reading module reads the sound source through a USB flash disk, an online player, bluetooth music, a radio and a mobile phone in an interconnection mode.
As a preferable technical scheme, the DSP audio processing module has the functions of multi-segment EQ control, sound delay control and low-frequency independent compensation.
As the preferable technical scheme, the vehicle-mounted front-loading power amplifier module adopts a split radiating fin and 10000UF large filter capacitance, and sufficient power is ensured through the 10000UF large filter capacitance.
As the preferable technical scheme, the output unit comprises a left front horn, a right front horn, a left rear horn and a right rear horn, and the left front horn, the right front horn, the left rear horn and the right rear horn are connected with the vehicle-mounted front loading power amplifier module.
The beneficial effects of the utility model are as follows: the utility model increases the level of sound quality by adopting the special even wave of the electron tube, has rich overtones, can obviously improve the sound quality and can reach the best sense of listening to songs.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description 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 block diagram of the present utility model;
fig. 2-7 are schematic circuit structures of the present utility model.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
As shown in fig. 1-7, the front-mounted power amplifier of the vehicle-mounted valve liner machine comprises a sound source reading module, an intelligent booster circuit, a DSP audio processing module, a four-way valve amplifying module, a vehicle-mounted front-mounted level power amplifying module and an output unit;
the sound source reading module and the DSP audio processing module are transmitted through IIS numbers, and the DSP audio processing module is connected with the four-way valve amplifying module through direct current coupling; the intelligent booster circuit is connected with four paths of electron tube amplifying modules through an electron tube high-voltage power supply circuit, and the four paths of electron tube amplifying modules are connected with four vehicle-mounted front-loading power amplifying modules through coupling capacitors; and the four vehicle-mounted front loading stage power amplifier modules are output to the output unit.
In this embodiment, the sound source reading module reads the sound source through a usb disk, an online player, bluetooth music, a radio and a mobile phone in an internet manner.
In this embodiment, the DSP audio processing module has functions of multi-segment EQ control, sound delay control, and low frequency individual compensation.
The intelligent booster circuit adopts a booster circuit and a soft start filament power supply mode.
The four-way valve amplifying module is started each time to default to close the valve function, and the valve amplifying module needs to be switched on and switched off through a special switch and needs about 15 seconds for preheating.
In this embodiment, the vehicle-mounted front-loading power amplifier module TDA75610LV4X 45W adopts a split-type cooling fin and 10000UF large filter capacitor, and sufficient power is ensured by the 10000UF large filter capacitor.
In this embodiment, the vehicle-mounted front-loading power amplifier module may use a professional-level high-power amplifier TDA 7294X 100W (direct boosting double 28v+10000uf large filter capacitor to ensure sufficient power).
In this embodiment, the output unit includes a front left horn, a front right horn, a rear left horn, and a rear right horn, and the front left horn, the front right horn, the rear left horn, and the rear right horn are connected with the vehicle-mounted front loading power amplifier module.
The working principle is as follows:
the audio format is decoded by the core board and then enters the DSP through the IIS digital channel, after being processed, the audio format is converted into the audio format through the internal DAC and then is transferred to the electron tube for pre-amplification, and then enters the special power amplifier for amplification and then enters the loudspeaker.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a front-mounted power amplifier of on-vehicle electron tube courage machine which characterized in that: the intelligent booster circuit comprises a sound source reading module, an intelligent booster circuit, a DSP audio processing module, a four-way valve amplifying module, a vehicle-mounted front-loading power amplifying module, an intelligent booster circuit and an output unit;
the sound source reading module and the DSP audio processing module are in digital transmission through an IIS, and the DSP audio processing module is connected with the four-way valve amplifying module through direct current coupling; the intelligent booster circuit is connected with four paths of electron tube amplifying modules through an electron tube high-voltage power supply circuit, and the four paths of electron tube amplifying modules are connected with four vehicle-mounted front-loading power amplifying modules through coupling capacitors; and the four vehicle-mounted front loading stage power amplifier modules are output to the output unit.
2. The on-vehicle valve liner machine front-end power amplifier of claim 1, wherein: the sound source reading module reads the sound source through a USB flash disk, an online player, bluetooth music, a radio and a mobile phone in an interconnection mode.
3. The on-vehicle valve liner machine front-end power amplifier of claim 1, wherein: the DSP audio processing module has the functions of multi-segment EQ control, sound delay control and low-frequency independent compensation.
4. The on-vehicle valve liner machine front-end power amplifier of claim 1, wherein: the vehicle-mounted front-loading power amplifier module adopts a split radiating fin and 10000UF large filter capacitors, and sufficient power is ensured through the 10000UF large filter capacitors.
5. The on-vehicle valve liner machine front-end power amplifier of claim 1, wherein: the output unit comprises a left front loudspeaker, a right front loudspeaker, a left rear loudspeaker and a right rear loudspeaker, and the left front loudspeaker, the right front loudspeaker, the left rear loudspeaker and the right rear loudspeaker are connected with the vehicle-mounted front loading power amplifier module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322025930.XU CN220798229U (en) | 2023-07-29 | 2023-07-29 | Front-mounted power amplifier of vehicle-mounted electronic tube liner machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322025930.XU CN220798229U (en) | 2023-07-29 | 2023-07-29 | Front-mounted power amplifier of vehicle-mounted electronic tube liner machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220798229U true CN220798229U (en) | 2024-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322025930.XU Active CN220798229U (en) | 2023-07-29 | 2023-07-29 | Front-mounted power amplifier of vehicle-mounted electronic tube liner machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220798229U (en) |
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2023
- 2023-07-29 CN CN202322025930.XU patent/CN220798229U/en active Active
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