CN207720398U - A kind of integral type audio-visual devices of changeable sound channel - Google Patents
A kind of integral type audio-visual devices of changeable sound channel Download PDFInfo
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- CN207720398U CN207720398U CN201721618365.6U CN201721618365U CN207720398U CN 207720398 U CN207720398 U CN 207720398U CN 201721618365 U CN201721618365 U CN 201721618365U CN 207720398 U CN207720398 U CN 207720398U
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Abstract
The utility model is related to electronic fields, are related to audio-visual devices.A kind of integral type audio-visual devices of changeable sound channel, including a shell, a reception of wireless signals module is equipped in shell, reception of wireless signals module connects a preamplifier circuit for microphone, preamplifier circuit for microphone connects a sound channel amplifying circuit, sound channel amplifying circuit connects a microcontroller, and microcontroller connects an audio input interface, and sound channel amplifying circuit connects an audio output interface；Preamplifier circuit for microphone connects a frequency shift circuit.The utility model receives microphone signal by reception of wireless signals module, after circuit amplification, inhibiting acoustic feedback, the K song effects for embodying voice can be provided by preposition L channel output interface, preposition right channel output interface, supper bass sound channel output interface exports audio signal；Film audio signal is received by audio input interface, amplifies through circuit, by six sound channel output interface exports audio signals, can also provide movie theatre surround sound effect.This design occupies little space.
Description
Technical field
The utility model is related to electronic fields, and in particular, to audio-visual devices.
Background technology
Number of devices needed for traditional audio-video system is more, connecting wiring is complicated, and occupied space is relatively more, and operation is numerous
It is trivial；During K is sung, people are more accustomed to embodying the Hi-Mid in vocal sections, that is, audio frequency, embody voice, pass through microphone
To a sound channel amplifying circuit, sound channel signal is amplified, is reached by loud speaker the audio signal transmission that people is sung by sound channel amplifying circuit
Effect is sung to K；It watches movie usually in order to experience the shock effect of film, it is finer and smoother that this requires voicebands, passes through electricity
Movie theatre could experience 5.1 sound channels or 7.1 sound channels bring the shock effect of film；KTV has different from the audio-video system of movie theatre
Sound channel effect, but existing traditional-family's audio-video system can not provide the sound channel effect of KTV and movie theatre simultaneously, and user needs to experience
When the sound channel effect of KTV or movie theatre, audio-visual devices need to be increased or go to KTV or movie theatre, cause economy to pay also excessively troublesome,
Reduce user experience.
Utility model content
The purpose of this utility model is to provide a kind of integral type audio-visual devices of changeable sound channel, to solve above-mentioned at least one
A technical problem.
In order to achieve the above object, the utility model uses following technical proposals：
A kind of integral type audio-visual devices of changeable sound channel, including a shell, which is characterized in that one is equipped in the shell
Reception of wireless signals module for receiving wireless microphone signal, the reception of wireless signals module are put before connecting a microphone
Big circuit, the preamplifier circuit for microphone connect a sound channel amplifying circuit, and the sound channel amplifying circuit connects a microcontroller,
The microcontroller connects an audio input interface, and the sound channel amplifying circuit connects an audio output interface；
Frequency shift circuit of the preamplifier circuit for microphone connection one for inhibiting acoustic feedback；
The audio input interface includes a HDMI interface, a USB interface, an AUX interfaces；
The audio output interface includes a center channel output interface, preposition L channel output interface, preposition right channel
Output interface, a postposition left side are around sound channel output interface, postposition right surround sound channel output interface, supper bass sound channel output interface
At rectangular-shape, the audio input interface, the audio output interface are arranged at described the shell
The rear surface of shell.
The utility model receives microphone signal by reception of wireless signals module, after circuit amplification, inhibiting acoustic feedback, leads to
Crossing preposition L channel output interface, preposition right channel output interface, supper bass sound channel output interface exports audio signal can provide
The K for embodying voice sings effect；Film audio signal is received by audio input interface, is amplified through circuit, it is defeated by six sound channels
Outgoing interface exports audio signal can also provide movie theatre surround sound effect.
This design occupies little space.Compared to original KTV audio systems, by equipment such as power amplification system, wireless microphone receivers
It integrates, occupied space is only the 30% of traditional product.This design operation is easy simultaneously.The design of integral type reduces company
Wiring is connect, operation sequence is simplified, common employee can operate and manage, and be not necessarily to technical professional.
The audio output interface further include set in one L channel output interface, in set right channel output interface.In order to
7.1 sound channel surrounding effects are provided, audio result of broadcast is improved.Specifically, when in use, power transformer provides burning voltage,
Monolithic machine testing signal inputs, when microcontroller receives no microphone signal input, when playing film film source, and control module output
Instruction, equipment automatically switch to the circular theater mode of 5.1 or 7.1 sound channels, the sound of broadcasting are made to have more stereo-circulation sense, background
Sound is methodically arranged, resolution is high, can embody the circular shock sense of sound.When microcontroller has received microphone signal input, control
Molding group output order, system automatically switch to the Audio mode of 2.1 sound channels, and accompaniment has does not press through people again while Sensurround
Sound, improves voice reduction degree, and the sound of broadcasting is more easily natural.The utility model is designed as that this procedure provides physical bases
Plinth, by the reception of wireless signals module of wireless microphone signal, audio input interface is integrated into same equipment, you can receives microphone
Signal can also receive video display digital signal, and then can be provided separately different audio results of broadcast.
The sound channel amplifying circuit includes a relay.By the sound channel Design of Amplification Circuit with relay, for protrusion
Voice provides physical basis, specifically, when in use, when microphone has voice input, the acoustic pressure of subwoofer decays automatically
3db, to make the power of subwoofer reduce half.Voice is then undamped, and such voice will not be covered by subwoofer sound, reduction
Higher is spent, the loudness of prominent voice efficiently avoids interference of the various audio mixing audios to people's characteristic voice.
The microcontroller is also connected with a wifi module.Wireless remote control signals are received by wifi module, are utilized convenient for user
Mobile phone or miscellaneous equipment control audio-visual devices play.
The lower part of the shell is equipped with a groove, and a dehumidification device is equipped in the groove.Using dehumidification device to shell
Interior circuit board is protected.
The dehumidification device is equipped with a shell, and in a tubular form, the shell of tubulose is by close to the shell for the shell
The one lateral shell is tilted by the other side far from the shell, and the shell is embedded into the groove, the groove
Bottom is equipped with an opening, and the opening is connected to the space in the shell；
The dehumidification device includes semiconductor cooling piece, and the semiconductor chilling plate includes a chill surface, a heating face,
The chill surface is towards the space in the shell.Semiconductor chilling plate is small, and effect on moisture extraction is good, outer using what is be inclined outwardly
Shell makes the water droplet that semiconductor chilling plate chill surface condenses flow out to outside shell naturally.
The inner surface of the shell is also coated with a polytetrafluorethylecoatings coatings, and the thickness of the polytetrafluorethylecoatings coatings is 30
μm ~ 50 μm between.Polytetrafluorethylecoatings coatings have splendid surface lubricity, and water droplet is effectively prevent to attach.
Description of the drawings
Fig. 1 is the part-structure circuit connection diagram of the utility model；
Fig. 2 is the part-structure circuit diagram at the sound channel amplifying circuit of the utility model.
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with attached drawing.
As depicted in figs. 1 and 2, a kind of integral type audio-visual devices of changeable sound channel, including a shell, shell is interior to be equipped with one
Reception of wireless signals module 3 for receiving wireless microphone signal, reception of wireless signals module connect the preposition amplification of a microphone
Circuit 4, preamplifier circuit for microphone connect a sound channel amplifying circuit 1, and sound channel amplifying circuit connects a microcontroller 2, microcontroller
An audio input interface 6 is connected, sound channel amplifying circuit connects an audio output interface 5；Preamplifier circuit for microphone connection one
Frequency shift circuit 8 for inhibiting acoustic feedback；Audio input interface includes a HDMI interface, a USB interface, an AUX interfaces；Audio
Output interface includes a center channel output interface, preposition L channel output interface, preposition right channel output interface, the left ring of postposition
Around sound channel output interface, postposition right surround sound channel output interface, supper bass sound channel output interface；Shell is at rectangular-shape, audio
Input interface, audio output interface are arranged at the rear surface of shell.The utility model is received by reception of wireless signals module
Microphone signal passes through preposition L channel output interface, preposition right channel output interface, again after circuit amplification, inhibiting acoustic feedback
Subwoofer channel output interface exports audio signal can provide the K song effects for embodying voice；Film is received by audio input interface
Audio signal is amplified through circuit, by six sound channel output interface exports audio signals, can also provide movie theatre stereo effect
Fruit.This design occupies little space.Compared to original KTV audio systems, the equipment such as power amplification system, wireless microphone receiver are integrated into
One, occupied space is only the 30% of traditional product.This design operation is easy simultaneously.The design of integral type reduces connection cloth
Line simplifies operation sequence, and common employee can operate and manage, and is not necessarily to technical professional.
Audio output interface further include set in one L channel output interface, in set right channel output interface.In order to provide
7.1 sound channel surrounding effects improve audio result of broadcast.Specifically, when in use, power transformer 9 provides burning voltage, monolithic
Machine testing signal inputs, and when microcontroller receives no microphone signal input, when playing film film source, control module output refers to
It enables, equipment automatically switches to the circular theater mode of 5.1 or 7.1 sound channels, the sound of broadcasting is made to have more stereo-circulation sense, background sound
It is methodically arranged, resolution height, the circular shock sense of sound can be embodied.When microcontroller has received microphone signal input, control
Module output order, system automatically switch to the Audio mode of 2.1 sound channels, and accompaniment has does not press through people again while Sensurround
Sound, improves voice reduction degree, and the sound of broadcasting is more easily natural.The utility model is designed as that this procedure provides physical bases
Plinth, by the reception of wireless signals module of wireless microphone signal, audio input interface is integrated into same equipment, you can receives microphone
Signal can also receive video display digital signal, and then can be provided separately different audio results of broadcast.
Sound channel amplifying circuit includes a relay 10.By the sound channel Design of Amplification Circuit with relay, for prominent people
Sound provides physical basis, specifically, when in use, when microphone has voice input, the acoustic pressure of subwoofer decays 3db automatically,
To make the power of subwoofer reduce half.Voice is then undamped, and such voice will not be covered by subwoofer sound, and reduction degree is more
Height, the loudness of prominent voice, efficiently avoids interference of the various audio mixing audios to people's characteristic voice.
Microcontroller is also connected with a wifi module 7.Wireless remote control signals are received by wifi module, mobile phone is utilized convenient for user
Or miscellaneous equipment control audio-visual devices play.
The lower part of shell is equipped with a groove, and a dehumidification device is equipped in groove.Using dehumidification device to the circuit in shell
Plate is protected.
Dehumidification device is equipped with a shell, and in a tubular form, the shell of tubulose is by the lateral shell close to shell by separate for shell
The other side of shell tilts, and shell is embedded into groove, and the bottom of groove is equipped with an opening, and opening connects with the space in shell
It is logical；Dehumidification device includes semiconductor cooling piece, and semiconductor chilling plate includes a chill surface, a heating face, and chill surface is towards shell
Internal space.Semiconductor chilling plate is small, and effect on moisture extraction is good, using the shell being inclined outwardly, makes semiconductor chilling plate system
The water droplet of huyashi-chuuka (cold chinese-style noodles) condensation flows out to outside shell naturally.
The inner surface of shell is also coated with a polytetrafluorethylecoatings coatings, and the thickness of polytetrafluorethylecoatings coatings is at 30 μm ~ 50 μm
Between.Polytetrafluorethylecoatings coatings have splendid surface lubricity, and water droplet is effectively prevent to attach.
Although the content of the utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended
Claim limit.
Claims (7)
1. a kind of integral type audio-visual devices of changeable sound channel, including a shell, which is characterized in that be equipped with one in the shell and use
In the reception of wireless signals module for receiving wireless microphone signal, the reception of wireless signals module connects the preposition amplification of a microphone
Circuit, the preamplifier circuit for microphone connect a sound channel amplifying circuit, and the sound channel amplifying circuit connects a microcontroller, institute
It states microcontroller and connects an audio input interface, the sound channel amplifying circuit connects an audio output interface；
Frequency shift circuit of the preamplifier circuit for microphone connection one for inhibiting acoustic feedback；
The audio input interface includes a HDMI interface, a USB interface, an AUX interfaces；
The audio output interface includes a center channel output interface, preposition L channel output interface, the output of preposition right channel
Interface, a postposition left side are around sound channel output interface, postposition right surround sound channel output interface, supper bass sound channel output interface
The shell is arranged at the shell at rectangular-shape, the audio input interface, the audio output interface
Rear surface.
2. a kind of integral type audio-visual devices of changeable sound channel as described in claim 1, which is characterized in that the audio output
Interface further include set in one L channel output interface, in set right channel output interface.
3. a kind of integral type audio-visual devices of changeable sound channel as described in claim 1, which is characterized in that the sound channel amplification
Circuit includes a relay.
4. a kind of integral type audio-visual devices of changeable sound channel as described in claim 1, which is characterized in that the microcontroller is also
Connect a wifi module.
5. a kind of integral type audio-visual devices of changeable sound channel as described in claim 1, which is characterized in that under the shell
Portion is equipped with a groove, and a dehumidification device is equipped in the groove.
6. a kind of integral type audio-visual devices of changeable sound channel as claimed in claim 5, which is characterized in that the dehumidification device
Equipped with a shell, in a tubular form, the shell of tubulose is by the lateral shell close to the shell by separate for the shell
The other side of the shell tilts, and the shell is embedded into the groove, and the bottom of the groove is equipped with an opening, described to open
Mouth is connected to the space in the shell；
The dehumidification device includes semiconductor cooling piece, and the semiconductor chilling plate includes a chill surface, a heating face, described
Chill surface is towards the space in the shell.
7. a kind of integral type audio-visual devices of changeable sound channel as claimed in claim 6, which is characterized in that the shell it is interior
Surface is also coated with a polytetrafluorethylecoatings coatings, and the thickness of the polytetrafluorethylecoatings coatings is between 30 μm ~ 50 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721618365.6U CN207720398U (en) | 2017-11-28 | 2017-11-28 | A kind of integral type audio-visual devices of changeable sound channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721618365.6U CN207720398U (en) | 2017-11-28 | 2017-11-28 | A kind of integral type audio-visual devices of changeable sound channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207720398U true CN207720398U (en) | 2018-08-10 |
Family
ID=63057656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721618365.6U Active CN207720398U (en) | 2017-11-28 | 2017-11-28 | A kind of integral type audio-visual devices of changeable sound channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207720398U (en) |
-
2017
- 2017-11-28 CN CN201721618365.6U patent/CN207720398U/en active Active
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