CN209982661U

CN209982661U - Strip-shaped sound box capable of adjusting sound effect

Info

Publication number: CN209982661U
Application number: CN201921078233.8U
Authority: CN
Inventors: 张国良
Original assignee: SHENZHEN ATCOM TECHNOLOGY Co Ltd
Current assignee: SHENZHEN ATCOM TECHNOLOGY Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-01-21
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a strip-shaped sound box capable of adjusting sound effect, which comprises a strip-shaped box body, wherein the middle part of the strip-shaped box body is provided with a control room, and the two sides of the control room are respectively provided with a left sound chamber and a right sound chamber; a control main board and a power supply are arranged in the control chamber; a left loudspeaker group is arranged in the left sound chamber; a right loudspeaker group is arranged in the right sound chamber; the power supply is respectively connected with the control mainboard, the left loudspeaker set and the right loudspeaker set for supplying power; the control mainboard comprises a D-type digital power amplifier, a programmable DSP chip, a remote control receiver, a 1-from-5 analog-to-digital converter, an SPDIF digital-to-analog audio module, a Bluetooth receiving module, an RCA interface, a wireless audio receiver and a USB sound card. Strip audio amplifier interface in this scheme is abundant can adapt to the connection environment of the overwhelming majority, in addition, can make the realization to the regulation of audio through the DSP chip able to programme to adapt to different broadcast environment, promote user's sense organ and experience.

Description

Strip-shaped sound box capable of adjusting sound effect

Technical Field

The utility model relates to a strip audio amplifier, in particular to strip audio amplifier of adjustable audio.

Background

In recent years, with the rapid development of electronic intelligent products, the traditional television industry has also undergone a great revolution. The thinner the thickness of the inner cavity of each flat-panel television represented by a liquid crystal television, the smaller the space in the television.

Based on the above reasons, the loudspeaker of taking certainly in the flat screen television can't make better audio owing to receive the restriction in space, therefore only adopt external stereo set can reach the requirement of high-fidelity audio. Thus, a strip-shaped Soundbar speaker, also called a television speaker, has been developed.

However, the sound effect of the conventional bar-shaped sound box is single, and cannot be changed in hardware after being written in the bar-shaped sound box when the bar-shaped sound box is shipped from a factory. However, the sound effect has a big relationship with the playing environment, so the customized sound effect cannot be adapted to more playing environments.

Based on the above reasons, a sound box manufacturer is urgently required to research and develop a strip-shaped sound box capable of adjusting sound effect so as to adapt to more playing environments and bring better sound effect experience for users.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the sound effect of the existing strip-shaped sound box is single, the sound box cannot be adjusted according to the environment, and the user experience is poor in the real user using environment.

The utility model provides a technical scheme that its technical problem adopted is:

a strip-shaped sound box capable of adjusting sound effect comprises a strip-shaped box body, wherein a control chamber is arranged in the middle of the strip-shaped box body, and a left sound chamber and a right sound chamber are respectively arranged on two sides of the control chamber; a control main board and a power supply are arranged in the control chamber; a left loudspeaker group is arranged in the left sound chamber; a right loudspeaker group is arranged in the right sound chamber; the power supply is respectively connected with the control mainboard, the left loudspeaker set and the right loudspeaker set for supplying power; the control mainboard comprises a D-type digital power amplifier, a programmable DSP chip, a remote control receiver, a 1-from-5 analog-to-digital converter, an SPDIF digital-to-analog audio module, a Bluetooth receiving module, an RCA interface, a wireless audio receiver and a USB sound card; the left sound channel output of the D-type digital power amplifier is connected with the left loudspeaker set, and the right sound channel output of the D-type digital power amplifier is connected with the right loudspeaker set; the input of the D-class digital power amplifier is connected with the output of the programmable DSP chip; the remote control receiver is connected with a control signal end of the programmable DSP chip; the input of the programmable DSP chip is connected with the output of the 1-from-5 analog-to-digital converter; five input ends of the 5-to-1 analog-to-digital converter are respectively connected with the SPDIF digital-to-analog audio module, the Bluetooth receiving module, the RCA interface, the wireless audio receiver and the USB sound card.

Further, the output of the 1-out-of-5 analog-to-digital converter is also connected with a wireless bass transmitter.

Further, the input end of the SPDIF digital-to-analog audio module comprises an optical fiber signal interface, a coaxial electrical signal interface and an SPDIF signal interface.

Further, the SPDIF signal interface is connected with an HDMI-to-SPDIF module.

Further, the receiving frequencies of the wireless audio receiver include 2.4G and 5.8G.

Furthermore, a left arc-shaped guide plate and a right arc-shaped guide plate are symmetrically arranged in the left sound chamber and the right sound chamber.

Further, left speaker group includes a plurality of left speakers, left speaker is installed on the left side arc baffle.

Further, right loudspeaker group includes a plurality of right loudspeakers, right loudspeaker installs on the right side arc baffle.

Furthermore, dust cover nets are arranged in front of the left sound chamber and the right sound chamber.

Further, a glass panel is arranged in front of the control room.

The utility model has the advantages that: strip audio amplifier interface in this scheme is abundant can adapt to the connection environment of the overwhelming majority, in addition, can make the realization to the regulation of audio through the DSP chip able to programme to adapt to different broadcast environment, promote user's sense organ and experience.

Drawings

Fig. 1 is a top view of the internal structure of the present invention.

Fig. 2 is a front view of the internal structure of the present invention.

Fig. 3 is a schematic diagram of the external structure of the present invention.

Fig. 4 is a circuit block diagram of the control main board.

In the figure: 1-strip box body, 2-control room, 3-left sound room, 4-right sound room, 5-control mainboard, 6-power supply, 7-left loudspeaker set and 8-right loudspeaker set; 11-dust shield net, 12-glass panel, 71-left arc guide plate and 81-right arc guide plate.

Detailed Description

The following is combined with the attached drawings. The utility model is further explained.

As shown in fig. 1 and 2, the external casing of the present invention is a strip-shaped box 1, a control room 2 is disposed at the middle of the strip-shaped box 1, and a left sound room 3 and a right sound room 4 are disposed at the two sides of the control room 2, respectively.

A control main board 5 and a power supply 6 are installed in the control room 2.

A left arc-shaped guide plate 71 and a right arc-shaped guide plate 81 are symmetrically arranged in the left sound chamber 3 and the right sound chamber 4.

A left speaker group 7 is mounted on the left arc-shaped guide plate 71, and the left speaker group 7 is composed of 3 left speakers. A right speaker group 8 is mounted on the right arc-shaped guide plate 81, and the right speaker group 8 is composed of 3 right speakers.

The power supply 6 is connected to the control main board 5, the left speaker group 7, and the right speaker group 8, respectively, for supplying power.

As shown in fig. 3, dust cover nets 11 are provided on the front panels of the left and right sound chambers 3 and 4. A glass panel 12 is provided on the front panel of the control room 2.

In addition, the utility model discloses well control mainboard 5's circuit module structure is as shown in fig. 4, and left loudspeaker group 7 and D class digital power amplifier's left sound channel output connection to obtain left sound channel audio signal. The right speaker group 8 is connected to the right channel output of the class D digital power amplifier, thereby obtaining a right channel audio signal.

The input of the D-type digital power amplifier is connected with the output of the programmable DSP chip; the input of the programmable DSP chip is connected with the output of the 1-from-5 analog-to-digital converter; in addition, the control end of the programmable DSP chip is connected with the remote control receiver, so that the functions of sound effect adjustment, sound volume adjustment and the like of the strip-shaped sound box can be controlled through an external remote controller.

The output of the 5-to-1 analog-to-digital converter is also connected with a wireless bass transmitter, so that audio information can be wirelessly transmitted to a subwoofer sound box through the wireless analog-to-digital converter, and sound effect experience is improved by matching with a strip-shaped sound box.

The input end of the 1-from-5 analog-to-digital converter is respectively connected with the SPDIF digital-to-analog audio module, the Bluetooth receiving module, the RCA interface, the wireless audio receiver and the USB sound card. The 1-from-5 analog-to-digital converter can read signals from any one of the 5 signal sources, so that the audio input ports of the equipment are rich and diverse, and can be matched with various different equipment.

The input end of the SPDIF digital-to-analog audio module comprises an optical fiber signal interface, a coaxial electric signal interface and an SPDIF signal interface, and the SPDIF signal interface is connected with the HDMI-to-SPDIF module; so that coaxial electric signals, optical fiber signals and HDMI signals can be received.

Wherein, can be connected with more intelligent equipment through bluetooth receiving module or wireless audio receiver.

Wherein the RCA interface enables it to be connected to a conventional legacy television or audio output device.

The USB sound card is connected with a television, a computer or other intelligent equipment through a USB bus, so that the strip-shaped sound box can play audio information sent by the television, the computer or other intelligent equipment.

The utility model discloses a theory of operation: through the interface of multiple different grade type, make it can match more audio output device, through converting analog audio signal into digital audio signal, then through the optimal treatment of programmable DSP chip for audio signal can obtain the audio that adapts to the playback environment more and add and hold, thereby makes user's sense organ experience obtain great promotion.

The basic principles and the main features of the solution and the advantages of the solution have been shown and described above. It will be understood by those skilled in the art that the present solution is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principles of the solution, but that various changes and modifications may be made to the solution without departing from the spirit and scope of the solution, and these changes and modifications are intended to be within the scope of the claimed solution. The scope of the present solution is defined by the appended claims and equivalents thereof.

Claims

1. A strip-shaped sound box capable of adjusting sound effect is characterized by comprising a strip-shaped box body, wherein a control chamber is arranged in the middle of the strip-shaped box body, and a left sound chamber and a right sound chamber are respectively arranged on two sides of the control chamber; a control main board and a power supply are arranged in the control chamber; a left loudspeaker group is arranged in the left sound chamber; a right loudspeaker group is arranged in the right sound chamber; the power supply is respectively connected with the control mainboard, the left loudspeaker set and the right loudspeaker set for supplying power; the control mainboard comprises a D-type digital power amplifier, a programmable DSP chip, a remote control receiver, a 1-from-5 analog-to-digital converter, an SPDIF digital-to-analog audio module, a Bluetooth receiving module, an RCA interface, a wireless audio receiver and a USB sound card; the left sound channel output of the D-type digital power amplifier is connected with the left loudspeaker set, and the right sound channel output of the D-type digital power amplifier is connected with the right loudspeaker set; the input of the D-class digital power amplifier is connected with the output of the programmable DSP chip; the remote control receiver is connected with a control signal end of the programmable DSP chip; the input of the programmable DSP chip is connected with the output of the 1-from-5 analog-to-digital converter; five input ends of the 5-to-1 analog-to-digital converter are respectively connected with the SPDIF digital-to-analog audio module, the Bluetooth receiving module, the RCA interface, the wireless audio receiver and the USB sound card.

2. The sound effect adjustable bar audio amplifier of claim 1, wherein the output of the 1-out-of-5 analog-to-digital converter is further connected with a wireless bass transmitter.

3. The sound effect adjustable strip speaker of claim 1, wherein the input end of the SPDIF digital-to-analog audio module comprises an optical fiber signal interface, a coaxial electrical signal interface and an SPDIF signal interface.

4. The sound effect adjustable strip speaker of claim 3, wherein the SPDIF signal interface is connected to an HDMI to SPDIF module.

5. The sound effect adjustable strip speaker of claim 1, wherein the receiving frequencies of the wireless audio receiver include 2.4G and 5.8G.

6. The sound effect adjustable strip speaker as claimed in claim 1, wherein the left and right sound chambers are symmetrically provided with left and right arc-shaped guide plates.

7. The sound effect adjustable bar loudspeaker of claim 6, wherein the left speaker set comprises a plurality of left speakers, and the left speakers are mounted on the left arc-shaped guide plate.

8. The sound effect adjustable bar loudspeaker of claim 6, wherein the right speaker set comprises a plurality of right speakers, and the right speakers are mounted on the right arc-shaped guide plate.

9. The sound effect adjustable strip speaker of claim 1, wherein dust-proof cover net is provided in front of both the left and right chambers.

10. The sound effect adjustable bar audio amplifier of claim 1, wherein the control room has a glass panel in front.