CN220023048U - Speaker device for preventing abnormal sound - Google Patents

Abstract

The utility model discloses a speaker device for preventing abnormal sound, which relates to the technical field of speakers and comprises a mounting box, wherein a fixing box is arranged in the mounting box, a speaker body is arranged in the fixing box, mounting frames are connected to two sides of the fixing box, and a mute fan is connected in the mounting frames.

Description

Speaker device for preventing abnormal sound

Technical Field

The utility model relates to the technical field of speakers, in particular to a speaker device for preventing abnormal sound.

Background

Speakers are also known as "horns". The electroacoustic transducer is a very common electroacoustic transducer, and can be seen in electronic and electric equipment for sounding, the principle is that after the voice coil is electrified, the voice coil can interact with a magnetic field, so that the voice coil can vibrate back and forth, the vibrating diaphragm is driven to move back and forth, and air sounding is further driven, an effective radiating component is not provided in the existing loudspeaker, deformation is easy to occur due to overhigh temperature in the process of long-time movement of the voice coil, and the subsequent sounding effect is influenced, so that the loudspeaker generates abnormal sound.

For example, the prior patent (bulletin number: CN 203015108U) discloses a novel loudspeaker, which comprises a loudspeaker body, wherein the loudspeaker body comprises a loudspeaker support, a loudspeaker vibrating diaphragm, a dustproof cap, a damper, a voice coil, a magnetic circuit structure and a base, the loudspeaker vibrating diaphragm, the dustproof cap and the damper are arranged on the loudspeaker support, and the magnetic circuit structure is fixed on the base.

The loudspeaker lacks effectual radiating component in the use promptly, and the voice coil loudspeaker voice coil is in long-time working process, produces the condition of warp owing to the high temperature easily, influences the tone quality of speaker easily, makes it produce abnormal sound, and secondly the device is interior still not to be provided with effectual buffer assembly, still probably produces certain abnormal sound owing to resonance at voice coil loudspeaker voice coil back and forth movement's in-process.

To this end, we propose an anti-abnormal sound speaker device to solve the above problems.

Disclosure of Invention

The utility model provides a speaker device for preventing abnormal sound, which solves the technical problem that the speaker in the prior art can generate abnormal sound in the using process.

In order to solve the above technical problems, the present utility model provides a speaker device for preventing abnormal sound, comprising: the installation box, be provided with fixed case in the installation box, be provided with the speaker body in the fixed case, the both sides of fixed case all are connected with the installing frame, the installing frame internal connection has the silence fan, the installation incasement is connected with the metal fin, one side of metal fin is connected with cooling fin, a plurality of louvres have all been seted up to the both sides of installation box.

Preferably, the bottom of fixed case is provided with the buffer module that is used for buffering vibrations, the buffer module includes the attenuator, the attenuator is connected in the installation case, the other end of attenuator is connected on fixed case, cup joint the dish spring on the attenuator.

Preferably, a protective frame is connected to the mounting box.

Preferably, the protection frame is connected with a protection net.

Preferably, dust-proof plates are arranged on two sides of the mounting box.

Preferably, the dust guard is connected with a positioning bolt in a threaded manner.

Preferably, the number of the dampers is three.

Preferably, the dust-proof plate is made of stainless steel.

Compared with the related art, the abnormal sound prevention loudspeaker device provided by the utility model has the following beneficial effects:

1. in the utility model, the mute fan is used for guiding out the heat generated when the voice coil in the loudspeaker body moves, and then the heat is blown to the metal radiating fins for radiating, the radiating fins promote the radiating effect of the metal radiating fins, and the radiating holes are convenient for promoting the air circulation.

2. In the utility model, the damper and the disc spring are arranged to buffer vibration generated when the loudspeaker body works, thereby avoiding abnormal sound caused by resonance.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a speaker device for preventing abnormal sounds;

fig. 2 is a schematic diagram of an internal structure of a speaker device for preventing abnormal sounds;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

Reference numerals in the drawings: 1. a mounting box; 2. a fixed box; 3. a speaker body; 4. a mounting frame; 5. a mute fan; 6. a metal heat sink; 7. a heat radiation fin; 8. a heat radiation hole; 9. a damper; 10. a disc spring; 11. a protective frame; 12. a protective net; 13. a dust-proof plate; 14. and positioning bolts.

Detailed Description

Embodiments of the present utility model are described in detail below.

A first embodiment, shown in fig. 1-3, of a speaker apparatus for preventing abnormal sound, includes: install bin 1, be provided with fixed case 2 in the install bin 1, be provided with speaker body 3 in the fixed case 2, the both sides of fixed case 2 all are connected with installing frame 4, and installing frame 4 internal connection has silence fan 5, and install bin 1 internal connection has metal fin 6, and one side of metal fin 6 is connected with fin 7, and a plurality of louvres 8 have all been seted up to the both sides of install bin 1.

In addition, the speaker body 3 includes basic components such as T-shaped iron, a magnet, a voice coil, a basin frame, a cone, a centering support plate, a folding ring, a dust cap, and a cone, and the connection relationship of the above devices is that in the prior art, which is not described herein too much, and the mute fan 5 is simply called a heat sink, which is classified as a "passive heat sink" in the field of electronic engineering design.

The mute fan 5 is used for guiding out heat generated when the voice coil moves in the loudspeaker body 3, then blows and dissipates the heat to the metal radiating fins 6, the radiating fins 7 promote the radiating effect of the metal radiating fins 6, the radiating holes 8 are convenient for promoting the circulation of air, the radiating effect is good, and the situation that the voice coil generates abnormal sound in the loudspeaker body 3 due to overhigh temperature deformation is avoided.

A second embodiment, shown in fig. 1 to 4, of a speaker apparatus for preventing abnormal sound, includes: install case 1, be provided with fixed case 2 in the install case 1, be provided with speaker body 3 in the fixed case 2, the both sides of fixed case 2 all are connected with installing frame 4, installing frame 4 internal connection has silence fan 5, install case 1 internal connection has metal fin 6, one side of metal fin 6 is connected with fin 7, a plurality of louvres 8 have all been seted up to the both sides of install case 1, the bottom of fixed case 2 is provided with the buffer module that is used for buffering vibrations, buffer module includes attenuator 9, attenuator 9 is connected in install case 1, the other end of attenuator 9 is connected on fixed case 2, cup joint dish spring 10 on the attenuator 9.

In addition, the disc spring 10, also called belleville washer, has a short stroke and a large load. Small space, convenient combination and use and easy maintenance and replacement. Economic and high safety.

The damper 9 and the disc spring 10 buffer vibration generated during the operation of the loudspeaker body 3, thereby avoiding abnormal sound caused by resonance.

A third embodiment, shown in fig. 1-4, of an anti-abnormal sound speaker apparatus, comprising: install case 1, be provided with fixed case 2 in the install case 1, be provided with speaker body 3 in the fixed case 2, the both sides of fixed case 2 all are connected with installing frame 4, installing frame 4 internal connection has silence fan 5, install case 1 internal connection has metal fin 6, one side of metal fin 6 is connected with fin 7, a plurality of louvres 8 have all been seted up to the both sides of install case 1, the bottom of fixed case 2 is provided with the buffer module that is used for buffering vibrations, buffer module includes attenuator 9, attenuator 9 is connected in install case 1, the other end of attenuator 9 is connected on fixed case 2, cup joint dish spring 10 on the attenuator 9.

Be connected with the guard frame 11 on the mounting box 1, the protection effect to speaker body 3 has been promoted, be connected with protection network 12 on the guard frame 11, dustproof effect has been promoted, the both sides of mounting box 1 all are provided with dust guard 13, the condition of dust in the speaker body 3 of having avoided passing through louvre 8 to get into, threaded connection has positioning bolt 14 on the dust guard 13, conveniently dismantle the clearance to dust guard 13, the quantity of attenuator 9 is three, the effect of buffering has been promoted, the material of dust guard 13 is the stainless steel, utilize corrosion-resistant characteristics of stainless steel, the life of dust guard 13 has been prolonged.

Working principle: the mute fan 5 is used for guiding out heat generated when the voice coil moves in the loudspeaker body 3, then blows and dissipates the heat to the metal radiating fins 6, the radiating fins 7 are used for improving the radiating effect of the metal radiating fins 6, the radiating holes 8 are used for conveniently improving the circulation of air, the radiating effect is good, the situation that the voice coil generates abnormal sound in the loudspeaker body 3 due to overhigh temperature deformation is avoided, and the damper 9 and the disc spring 10 are used for buffering vibration generated when the loudspeaker body 3 works, so that the abnormal sound is avoided due to resonance.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A speaker apparatus for preventing abnormal sound, comprising: install bin (1), its characterized in that, be provided with fixed case (2) in install bin (1), be provided with speaker body (3) in fixed case (2), the both sides of fixed case (2) all are connected with installing frame (4), installing frame (4) in-connection has silence fan (5), install bin (1) in-connection has metal fin (6), one side of metal fin (6) is connected with fin (7), a plurality of louvres (8) have all been seted up to the both sides of install bin (1), the bottom of fixed case (2) is provided with the buffer module that is used for buffering vibrations.

2. The abnormal sound preventing loudspeaker device according to claim 1, wherein the buffer assembly comprises a damper (9), the damper (9) is connected in the installation box (1), the other end of the damper (9) is connected to the fixed box (2), and the damper (9) is sleeved with a disc spring (10).

3. The speaker device for preventing abnormal sound according to claim 1, wherein a protective frame (11) is connected to the mounting box (1).

4. A speaker device for preventing abnormal sound according to claim 3, wherein said protective frame (11) is connected with a protective net (12).

5. The speaker device for preventing abnormal sound according to claim 1, wherein both sides of the installation case (1) are provided with dust-proof plates (13).

6. The speaker device for preventing abnormal sound according to claim 5, wherein the dust-proof plate (13) is screwed with a positioning bolt (14).

7. The anti-abnormal sound speaker device according to claim 2, wherein the number of dampers (9) is three.

8. The speaker device for preventing abnormal sound according to claim 5, wherein the dust-proof plate (13) is made of stainless steel.