CN216820039U

CN216820039U - Stereo audio amplifier of portable sound channel

Info

Publication number: CN216820039U
Application number: CN202220170340.9U
Authority: CN
Inventors: 李天奇; 陈运梅
Original assignee: Shenzhen Agco Digital Technology Co ltd
Current assignee: Shenzhen Agco Digital Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-24
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to the technical field of stereo sound boxes, in particular to a portable sound channel stereo sound box. The technical scheme comprises the following steps: the magnetic absorption device comprises a box body, a magnetic absorption cover, a fixing assembly and a mounting frame, wherein the magnetic absorption cover is mounted at the bottom of the box body, and the fixing assembly is mounted at the bottom of the magnetic absorption cover; install joint plate in the fixed subassembly, the ring is inhaled to the inside equidistance of joint plate installation magnetism. The internally mounted of box has the mounting panel, and the inside of mounting panel is equipped with the through wires hole, and inside one side of mounting panel is equipped with the air current guiding hole. The interior of mounting panel installs woofer, and the mounting bracket is installed in the front of mounting panel. According to the utility model, the mounting frame is arranged on the front surface of the mounting plate, the partition plate can be fixedly mounted through the mounting frame, and the interior of the box body is further divided into five groups of cavities by the partition plate and the isolation cover, so that the speakers in the cavities are not interfered with each other during sounding, the sound resolution of the sound box is improved, and the sound quality of the sound box is improved.

Description

Stereo audio amplifier of portable sound channel

Technical Field

The utility model relates to the technical field of stereo sound boxes, in particular to a portable sound channel stereo sound box.

Background

Stereo audio amplifier is through the combination of multiunit speaker, carries out synchronous broadcast to the sound of different frequencies to the equipment that three frequency audiences of reinforcing music were experienced, stereo audio amplifier is through carrying out digital regulation to three frequencies, can realize the surrounding type of simulation to the user and experience, and then has increased the audiences of music and experienced, consequently, in order to increase the practicality of audio amplifier, we propose a stereo audio amplifier of portable sound channel.

By way of search, patent publication No. CN207184783U discloses a stereo sound, which includes a sound body; the first proximity sensor and the second proximity sensor are arranged on the left side wall and the right side wall of the sound body; and the control chip is connected with the proximity sensor.

The existing stereo sound box with portable sound channels has the following defects:

1. when the existing portable sound channel stereo sound box is used, because the loudspeakers in the sound box are all arranged in the same cavity, when the middle-low high three-frequency loudspeaker and the middle-high three-frequency loudspeaker sound simultaneously, sound waves can interfere with each other, so that the analysis force of the sound is not ideal, the sound emitted by the sound box is dull, and the sound quality is greatly reduced;

2. the stereo audio amplifier of current portable sound channel is inconvenient when using, and traditional portable audio amplifier all need steadily place the use at the horizontally desktop or subaerial, and portable audio amplifier is portable use generally, perhaps the user hand-carries the use, and when can't find level desktop and place, the unable stable work of audio amplifier has reduced the practicality of device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a portable stereo sound box, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a stereo audio amplifier of portable sound channel, includes that box, magnetism inhale cover, fixed subassembly and mounting bracket, the flocking cloth is installed to the inner wall of box, the cover is inhaled to the bottom of box is installed to the magnetism, the bottom of cover is inhaled to the magnetism installs fixed subassembly, install the joint board in the fixed subassembly, the ring is inhaled to the inside equidistance of joint board is installed to the magnetism, the internally mounted of box has the mounting panel, the inside of mounting panel is equipped with the through wires hole, inside one side of mounting panel is equipped with the air current guiding hole, the internally mounted of mounting panel has woofer, the mounting bracket is installed in the front of mounting panel.

When using the stereo audio amplifier of a portable sound channel among this technical scheme, inhale cover and joint board block through magnetism, and adsorb the back through magnetic force, with the fixed surface of placing at desktop or metal material object of device, utilize woofer, intermediate frequency loudspeaker and tweeter respectively stir the sound that the vibrating diaphragm vibration produced different frequencies, make the audio amplifier sound, baffle and cage are separated the inside cavity of box simultaneously, prevent the inside sound wave mutual interference of box, the resolution that the audio amplifier sounded has been guaranteed.

Preferably, the top of box is equipped with two groups of microphone jacks, and the bottom of box is equipped with support fixed mounting hole. The microphone jack can make the external microphone of device, and then can utilize microphone and device cooperation to carry out real-time public address, and support fixed mounting hole can be convenient for the device and carry out fixed mounting to the subassembly of bottom, has increased the structural stability of device.

Preferably, the inside of the magnetic attraction cover is provided with a magnet, and the inside of the magnetic attraction cover is provided with a clamping groove. The magnetite can inhale the ring inter attraction with magnetism, and then with joint board and magnetism cover fixed connection of inhaling, the joint groove can be connected with the joint integrated circuit board closes, and then carries out the spacing of horizontal direction to magnetism suction hood and joint board.

Preferably, the inside of joint board is equipped with the sound transmission hole, and the rubber pad is installed to the bottom of joint board. The sound that the sound conduction hole can make the bottom half spread spreads from the rubber pad, and then avoids the rubber pad to cause the hindrance to the propagation of sound, and the rubber pad can carry out elastic support to the bottom of device to can prevent the bottom of device from appearing sliding, increased the stability of device.

Preferably, the partition plates are installed on two sides of the installation frame, and the isolation cover is installed below the partition plates. The baffle can keep apart loudspeaker, and then prevents mutual interference between five groups of loudspeaker, and the cage can keep apart intermediate frequency loudspeaker alone, and then can prevent that loudspeaker and woofer from causing the interference to the sound that intermediate frequency loudspeaker sent.

Preferably, the two sides of the woofer are provided with the intermediate frequency loudspeaker, and the tweeter is arranged above the intermediate frequency loudspeaker. Can drive the vibrating diaphragm after the intermediate frequency loudspeaker circular telegram and vibrate to send medium frequency's sound wave, can drive the vibrating diaphragm after the high pitch loudspeaker circular telegram and vibrate, and then send the sound wave of high frequency.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the mounting frame is arranged on the front surface of the mounting plate, the partition plate can be fixedly mounted through the mounting frame, and the interior of the box body is further divided into five groups of cavities by the partition plate and the isolation cover, so that the speakers in the cavities are not interfered with each other during sounding, the sound resolution of the sound box is improved, and the sound quality of the sound box is improved.

2. According to the utility model, the magnetic suction cover is arranged at the bottom of the box body, so that the box body and the surface of the object made of the metal material can be adsorbed through the magnetic suction cover, the sound box can be conveniently placed in a magnetic suction manner, the use range of the sound box can be increased, the stability of the sound box can be enhanced through the magnetic suction, and the damage caused by the turnover of the sound box can be avoided.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a front external view of the present invention;

fig. 4 is a partial structural view of the fixing assembly of the present invention.

In the figure: 1. a box body; 101. a microphone jack; 102. flocking cloth; 103. the bracket is fixed with the mounting hole; 2. a magnetic attraction cover; 201. a magnet; 202. a clamping groove; 3. a fixing assembly; 301. a clamping and connecting plate; 302. a rubber pad; 303. a magnetic ring; 304. a sound transmission hole; 4. a mounting frame; 401. a partition plate; 402. an isolation cover; 5. mounting a plate; 501. a tweeter; 502. an intermediate frequency horn; 503. an airflow guide hole; 504. a woofer; 505. and (6) threading holes.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the stereo sound box with a portable sound channel provided by the utility model comprises a box body 1, a magnetic suction cover 2, a fixing component 3 and a mounting frame 4, wherein flocked fabric 102 is installed on the inner wall of the box body 1, the magnetic suction cover 2 is installed at the bottom of the box body 1, the fixing component 3 is installed at the bottom of the magnetic suction cover 2, a clamping plate 301 is installed in the fixing component 3, magnetic suction rings 303 are installed in the clamping plate 301 at equal intervals, a mounting plate 5 is installed in the box body 1, a threading hole 505 is formed in the mounting plate 5, an airflow guide hole 503 is formed in one side of the interior of the mounting plate 5, a woofer 504 is installed in the mounting plate 5, and the mounting frame 4 is installed on the front surface of the mounting plate 5.

The working principle of the portable sound channel stereo sound box based on the first embodiment is as follows: inhale cover 2 and joint board 301 block through the magnetism, and adsorb the back through magnetic force, with the fixed surface of placing at desktop or metal material object of device, utilize woofer 504, intermediate frequency loudspeaker 502 and tweeter 501 to stimulate the sound that the vibrating diaphragm vibration produced different frequencies respectively, make the audio amplifier sound and produce the stereo of 2.1 sound channels, baffle 401 and cage 402 are separated the cavity of box 1 inside simultaneously, can effectively prevent the sound short circuit phenomenon.

Example two

As shown in fig. 1-4, compared with the first embodiment, the portable stereo speaker with sound channels according to the present invention further includes: the top of box 1 is equipped with two sets of microphone jacks 101, and the bottom of box 1 is equipped with support fixed mounting hole 103, the internally mounted of cover 2 is inhaled to magnetism has magnetite 201, and the inside of cover 2 is inhaled to magnetism is equipped with joint groove 202, the inside of joint board 301 is equipped with sound transmission hole 304, and the bottom of joint board 301 installs rubber pad 302, baffle 401 is installed to the both sides of mounting bracket 4, and baffle 401's below installs cage 402, mid-frequency horn 502 is installed to the both sides of woofer 504, and tweeter 501 is installed to mid-frequency horn 502's top.

In this embodiment, the airflow guiding hole 503 is formed at the lower right of the woofer 504, so as to effectively prevent the acoustic short circuit phenomenon of low frequency, and minimize the airflow noise and the cavity resonance, thereby increasing the sound field size of sound, the microphone jack 101 can make the device connect with an external microphone, and further can utilize the microphone to cooperate with the device to amplify sound in real time, the bracket fixing and mounting hole 103 can facilitate the device to fix and mount the bottom component, and increase the structural stability of the device, so as to create a 2.1 sound channel stereo environment, the magnet 201 can attract the magnetic attraction ring 303, and further fixedly connect the clamping plate 301 with the magnetic attraction cover 2, the clamping groove 202 can be connected with the clamping plate 301 in a clamping manner, so as to limit the magnetic attraction cover 2 and the clamping plate 301 in the horizontal direction, the sound transmission hole 304 can make the sound transmitted from the bottom of the box body 1 to be transmitted from the rubber pad 302, and further avoid the rubber pad 302 from blocking the transmission of the sound, rubber pad 302 can carry out elastic support to the bottom of device, and can prevent the bottom of device from appearing sliding, the stability of device has been increased, baffle 401 can keep apart tweeter 501, and then prevent mutual interference between five groups of loudspeaker, cage 402 can keep apart mid frequency loudspeaker 502 alone, and then can prevent tweeter 501 and woofer 504 from causing the interference to the sound that mid frequency loudspeaker 502 sent, mid frequency loudspeaker 502 can drive the vibrating diaphragm after the circular telegram and vibrate, thereby send medium frequency's sound wave, can drive the vibrating diaphragm after tweeter 501 circular telegram and vibrate, and then send high frequency's sound wave.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a stereo speaker of portable sound channel, includes box (1), magnetism cover (2), fixed subassembly (3) and mounting bracket (4), its characterized in that: flocking cloth (102) are installed to the inner wall of box (1), the bottom of box (1) is installed the magnetism and is inhaled cover (2), fixed subassembly (3) are installed to the bottom that the cover (2) is inhaled to the magnetism, install joint board (301) in fixed subassembly (3), ring (303) are inhaled to the inside equidistance of joint board (301) is installed to magnetism, the internally mounted of box (1) has mounting panel (5), the inside of mounting panel (5) is equipped with through wires hole (505), inside one side of mounting panel (5) is equipped with air current guiding hole (503), the internally mounted of mounting panel (5) has woofer (504), mounting bracket (4) are installed in the front of mounting panel (5).

2. A portable soundtrack stereo speaker as defined in claim 1 wherein: the top of box (1) is equipped with two sets of microphone jack (101), and the bottom of box (1) is equipped with support fixed mounting hole (103).

3. A portable soundtrack stereo speaker as defined in claim 1 wherein: the internally mounted of cover (2) is inhaled to magnetism has magnetite (201), and the inside of just inhaling cover (2) is equipped with joint groove (202).

4. A portable soundtrack stereo speaker as defined in claim 1 wherein: sound transmission holes (304) are formed in the clamping plate (301), and rubber pads (302) are installed at the bottom of the clamping plate (301).

5. A portable soundtrack stereo speaker as defined in claim 1 wherein: baffle (401) are installed to the both sides of mounting bracket (4), and cage (402) are installed to the below of baffle (401).

6. A portable soundtrack stereo speaker as defined in claim 1, wherein: intermediate frequency loudspeaker (502) are installed to the both sides of woofer (504), and tweeter (501) are installed to the top of intermediate frequency loudspeaker (502).