CN213783544U

CN213783544U - Scalable video stereo with stereo scene

Info

Publication number: CN213783544U
Application number: CN202121272558.7U
Authority: CN
Inventors: 朱彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-07-23
Anticipated expiration: 2031-06-08
Also published as: WO2022257055A1

Abstract

The utility model relates to a scalable video stereo with stereo scene, including the box, be equipped with main audio amplifier (1), left audio amplifier (2) and right audio amplifier (3) in the box, the box left and right sides is equipped with an opening (8) respectively, opening (8) supply left side audio amplifier (2) or right audio amplifier (3) business turn over the box, left side audio amplifier (2) with right audio amplifier (3) can leave or get into through moving mechanism thereby sound field width is adjusted to the box, realizes three-dimensional sound production scene. The utility model discloses a main audio amplifier is video entertainment terminal + overweight bass sound production unit, and the audio amplifier of controlling the sound channel is independent box to can stretch out and draw back in order to adjust the sound field width to both sides, realize three-dimensional sound production scene.

Description

Scalable video stereo with stereo scene

Technical Field

The utility model relates to a pull rod audio amplifier especially relates to a scalable video stereo with stereo scene.

Background

The currently marketed subwoofer with 2.1 sound channels only exists in 3 independent boxes. The single outdoor sound box is either a monaural mid-low sound production unit and a high sound production unit which are combined in two frequency division mode or a low sound production unit, a mid-low sound production unit and a high sound production unit which are combined in three frequency division mode. The single mobile video sound equipment is either a two-frequency-division combination of a karaoke system, a single-channel medium and low sound production unit and a high sound production unit; or the frequency division combination of the karaoke system, the bass sounding unit, the middle-tone sounding unit and the treble sounding unit. The single sound box in the existing market does not realize the stereo effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a scalable video stereo with stereo scene, the technical problem of its solution is that the monomer audio amplifier on the existing market does not all realize the stereo effect.

In order to solve the technical problem existing in the above, the utility model discloses a following scheme:

a scalable video sound with a stereo scene comprises a box body, wherein a main sound box, a left sound box and a right sound box are arranged in the box body, openings are respectively arranged on the left side and the right side of the box body, the openings are used for the left sound box or the right sound box to enter and exit the box body, the left sound box comprises a midbass loudspeaker and a tweeter, and the right sound box also comprises a midbass loudspeaker and a tweeter; the left sound box and the right sound box can leave or enter the box body through the moving mechanism, so that the width of a sound field is adjusted, and a three-dimensional sound production scene is realized.

Preferably, the moving mechanisms of the left sound box and the right sound box work independently, and the moving distances of the left sound box and the right sound box can be the same or different.

Preferably, the moving mechanism comprises a fixed part and a moving part, the fixed part is connected to the inner wall of the box body, the moving part is fixed to the left sound box or the right sound box, and the moving part is movably connected to the fixed part and can move horizontally along a horizontal rail preset by the fixed part.

Preferably, the moving mechanisms of the left sound box and the right sound box are matched with each other, and the left sound box and the right sound box synchronously move out of the box body or synchronously enter the box body.

Preferably, the moving mechanism includes a gear and two racks, the first rack is connected to the left speaker, the second rack is connected to the right speaker, and both racks are engaged with the gear and realize the same direction movement or reverse direction movement of the left speaker and the right speaker when the gear rotates.

Preferably, the left sound box and the right sound box are located on the upper portion of the box body, the main sound box is located on the lower portion of the box body, and a display screen is further arranged on the upper portion of the box body.

Preferably, the top of the box body is provided with a handle and/or a microphone fixing hole, and the bottom of the box body is provided with a pulley.

Preferably, the system further comprises a DSP audio processor, an input end of the DSP audio processor is connected with the power supply, the signal amplifier and the AUX audio input interface, respectively, and an input end of the signal amplifier is one or more of a wireless microphone interface, a wired microphone interface and a musical instrument interface, respectively; the output end of the DSP audio processor is connected with two power amplifiers through an electronic frequency division and a preamplifier, one power amplifier is connected with the main sound box, and the other power amplifier is connected with the left sound box and the right sound box.

Preferably, the DSP audio processor is also connected with a headphone amplifier and/or Bluetooth.

Preferably, still include the tall and erect nuclear core plate of ann, tall and erect nuclear plate of ann with DSP audio processor carries out signal connection, the input and the power of tall and erect nuclear plate of ann, TF memory card, USB, infrared receiving head are connected, the output and the display screen of tall and erect nuclear plate of ann are connected.

The scalable video sound with stereo scene has the following beneficial effects:

(1) the utility model discloses a main audio amplifier is video entertainment terminal + overweight bass sound production unit, and the audio amplifier of controlling the sound channel is independent box to can stretch out and draw back in order to adjust the sound field width to both sides, realize three-dimensional sound production scene.

(2) The utility model discloses realize video KTV + overweight bass + stereophonic sound equipment at single removal draw-bar box. The user can experience the audio-visual experience in the scene.

Drawings

FIG. 1: the utility model discloses a use state diagram of a scalable video sound with a stereo scene;

FIG. 2: FIG. 1 is a schematic view of the backside;

FIG. 3: FIG. 1 is an exploded view of the components;

FIG. 4: the utility model discloses a sound box retraction schematic diagram of a retractable video sound with a stereo scene;

FIG. 5: the utility model discloses a schematic structural diagram of a moving mechanism;

FIG. 6: the utility model discloses circuit control module schematic diagram of scalable video stereo with stereo scene.

Description of reference numerals:

1-main sound box; 2-left speaker; 3-right speaker; 4, a display screen; 5, a handle; 6-microphone; 7-a pulley; 8, opening; 9, fixing a bracket; 10-moving the slide rail; 11-a gear; 12 — a first rack; 13-second rack.

Detailed Description

The present invention will be further explained with reference to fig. 1 to 6:

as shown in fig. 1, a scalable video speaker with stereo scene includes a box, a main speaker 1, a left speaker 2 and a right speaker 3 are disposed in the box, openings 8 are respectively disposed on left and right sides of the box, the openings 8 allow the left speaker 2 or the right speaker 3 to enter and exit the box, the left speaker 2 includes a midbass speaker and a tweeter, and the right speaker 3 includes a midbass speaker and a tweeter. The left sound box 2 and the right sound box 3 can leave or enter the box body through the moving mechanism so as to adjust the width of a sound field and realize a three-dimensional sound production scene.

The moving mechanisms of the left sound box 2 and the right sound box 3 work independently, and the moving distances of the left sound box 2 and the right sound box 3 can be the same or different. The first structure of the moving mechanism comprises a fixed part 9 and a moving part 10, wherein the fixed part 9 is connected to the inner wall of the box body, the moving part 10 is fixed on the left sound box 2 or the right sound box 3, and the moving part 10 is movably connected with the fixed part 9 and can move horizontally along a preset horizontal track of the fixed part 9.

The left sound box 2 and the right sound box 3 are positioned on the upper part of the box body, the main sound box 1 is positioned on the lower part of the box body, and the upper part of the box body is also provided with a display screen 4.

The top of the box body is provided with a handle 5 and/or a fixing hole of the microphone 6, and the bottom of the box body is provided with a pulley 7.

The moving mechanisms of the left sound box 2 and the right sound box 3 are matched with each other, and the left sound box 2 and the right sound box 3 synchronously move out of the box body or synchronously enter the box body. As shown in fig. 5, the second structure of the moving mechanism includes a gear 12 and two racks, the first rack 13 is connected to the left speaker 2, the second rack 14 is connected to the right speaker 3, and both racks are engaged with the gear 12 and realize the same direction movement or the opposite direction movement of the left speaker 2 and the right speaker 3 when the gear 12 rotates.

As shown in fig. 6, the circuit of the present invention realizes: the karaoke song requesting application is installed through the android system, the household television is connected through the HDMI to realize that a song requesting interface is displayed on the local television, and a professional song requesting system of an MV interface is displayed on the household television; the DSP decoding chip is used for processing audio signals of a microphone and left and right music sound channels, an extra-bass signal and middle and high sounds of the left and right sound channels are separated through an electronic frequency dividing circuit, and then an extra-bass sound production unit and a stereo sound production unit of two middle and high sound combined sound boxes are amplified and driven through 3 different power amplifier channels.

The input end of the DSP audio processor is respectively connected with the power supply, the signal amplifier and the AUX audio input interface, and the input end of the signal amplifier is respectively one or more of a wireless microphone interface, a wired microphone interface and a musical instrument interface; the output end of the DSP audio processor is connected with two power amplifiers through an electronic frequency division and a preamplifier, one power amplifier is connected with the main sound box 1, the other power amplifier is connected with the left sound box 2 and the right sound box 3, and the DSP audio processor is also connected with an earphone amplifier and/or Bluetooth.

Still include the tall and erect nuclear core plate of ann, tall and erect nuclear core plate of ann carries out signal connection with DSP audio processor, and the input and power, TF memory card, USB, the infrared receiving head of tall and erect nuclear core plate of ann are connected, and the output and the display screen 4 of tall and erect nuclear core plate of ann are connected, and the output of tall and erect nuclear core plate of ann realizes that this machine shows the interface of requesting songs through HDMI connection domestic TV set.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.

Claims

1. A scalable video stereo having a stereo scene, characterized by: the loudspeaker box comprises a box body, wherein a main loudspeaker box (1), a left loudspeaker box (2) and a right loudspeaker box (3) are arranged in the box body, an opening (8) is respectively arranged on the left side and the right side of the box body, the opening (8) is used for the left loudspeaker box (2) or the right loudspeaker box (3) to enter and exit the box body, the left loudspeaker box (2) comprises a medium and low loudspeaker and a high loudspeaker, and the right loudspeaker box (3) also comprises a medium and low loudspeaker and a high loudspeaker; the left sound box (2) and the right sound box (3) can leave or enter the box body through the moving mechanism, so that the width of a sound field is adjusted, and a three-dimensional sound production scene is realized.

2. Scalable video stereo with stereo scene according to claim 1, characterized by: the moving mechanisms of the left sound box (2) and the right sound box (3) work independently, and the moving distances of the left sound box (2) and the right sound box (3) can be the same or different.

3. Scalable video stereo with stereo scene according to claim 2, characterized by: the moving mechanism comprises a fixing portion (9) and a moving portion (10), the fixing portion (9) is connected to the inner wall of the box body, the moving portion (10) is fixed to the left sound box (2) or the right sound box (3), and the moving portion (10) is movably connected with the fixing portion (9) and can move horizontally along a horizontal rail preset by the fixing portion (9).

4. Scalable video stereo with stereo scene according to claim 1, characterized by: the moving mechanisms of the left sound box (2) and the right sound box (3) are matched with each other, and the left sound box (2) and the right sound box (3) synchronously move out of the box body or synchronously enter the box body.

5. Scalable video stereo with stereo scene according to claim 2, characterized by: the moving mechanism comprises a gear (12) and two racks, a first rack (13) is connected with the left sound box (2), a second rack (14) is connected with the right sound box (3), the two racks are meshed with the gear (12) and realize that the left sound box (2) and the right sound box (3) move in the same direction or in the opposite direction when the gear (12) rotates.

6. Scalable video stereo with stereo scenes according to any of the claims 1 to 5, characterized in that: the left sound box (2) and the right sound box (3) are located on the upper portion of the box body, the main sound box (1) is located on the lower portion of the box body, and a display screen (4) is further arranged on the upper portion of the box body.

7. Scalable video stereo with stereo scene according to claim 6, characterized by: the top of the box body is provided with a fixing hole of a handle (5) and/or a microphone (6), and the bottom of the box body is provided with a pulley (7).

8. Scalable video stereo with stereo scene according to claim 6, characterized by: the input end of the DSP audio processor is respectively connected with the power supply, the signal amplifier and the AUX audio input interface, and the input end of the signal amplifier is one or more of a wireless microphone interface, a wired microphone interface and a musical instrument interface; the output end of the DSP audio processor is connected with two power amplifiers through an electronic frequency division and a preamplifier, one power amplifier is connected with the main sound box (1), and the other power amplifier is connected with the left sound box (2) and the right sound box (3).

9. Scalable video stereo with stereo scene according to claim 8, characterized by: the DSP audio processor is also connected with the earphone amplifier and/or the Bluetooth.

10. Scalable video stereo with stereo scene according to claim 8 or 9, characterized by: still include the tall and erect nuclear core plate of ann, tall and erect nuclear core plate of ann with DSP audio processor carries out signal connection, the input and the power of tall and erect nuclear core plate of ann, TF memory card, USB, infrared receiving head are connected, the output and the display screen (4) of tall and erect nuclear core plate of ann are connected.