CN213718149U

CN213718149U - Sound cavity box and sound box

Info

Publication number: CN213718149U
Application number: CN202022714773.XU
Authority: CN
Inventors: 王东升; 李庚�; 张彤彤
Original assignee: Qingdao Haier Technology Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Technology Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-16
Anticipated expiration: 2030-11-19

Abstract

The utility model provides a sound chamber case and audio amplifier, wherein, the sound chamber case includes: a housing having a sound chamber; the sounding device is arranged in the sound cavity; the mainboard is arranged in the sound cavity and is electrically connected with the sound generating device. Use the technical scheme of the utility model the volume that can solve the sound chamber case among the correlation technique effectively is compressed by the mainboard, causes the not good problem of audio amplifier.

Description

Sound cavity box and sound box

Technical Field

The utility model relates to an audio amplifier field particularly, relates to a sound cavity case and audio amplifier.

Background

A sound box is a device that can convert an audio signal into a sound signal. With the development of artificial intelligence technology, an intelligent sound box capable of voice interaction with a user is designed in the related art. The current smart sound box generally comprises an internal sound cavity box and an external shell, wherein the sound cavity box is arranged in the shell. The intelligent sound box further comprises a main board, wherein the main board is arranged on the outer wall of the sound cavity box and located between the sound cavity box and the shell. Owing to guarantee the holistic miniaturized design of audio amplifier, the mounting means of installing the mainboard on the outer wall of sound chamber case can make the sound chamber case need evade the space for the mainboard, leads to the volume of sound chamber case to reduce, causes the audio of audio amplifier not good.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a sound chamber case and audio amplifier to the volume of the sound chamber case of solving among the prior art is compressed by the mainboard, causes the not good problem of audio amplifier.

In order to achieve the above object, according to an aspect of the present invention, there is provided a sound chamber box, including: a housing having a sound chamber; the sounding device is arranged in the sound cavity; the mainboard is arranged in the sound cavity and is electrically connected with the sound generating device.

Further, be provided with the line hole on the casing, sound chamber case still includes: the first end of the wire is connected with the main board, and the second end of the wire penetrates out of the wire passing hole; and the sealing structure is used for sealing a gap between the lead and the wire passing hole.

Further, the casing includes casing body and sets up in the spliced pole of casing body bottom, and the lower surface of spliced pole is downward protrusion in the lower surface of casing body.

According to the utility model discloses an on the other hand provides a sound box, include: a housing having an accommodating space; and the sound cavity box is arranged in the accommodating space and is the sound cavity box.

Further, the sound chamber case is foretell sound chamber case, and the audio amplifier still includes: the Mic board is arranged in the accommodating space, and the second end of the lead of the sound cavity box is connected with the Mic board; and/or the charging plate is arranged in the accommodating space, and the second end of the lead of the sound cavity box is connected with the charging plate.

Further, in the case where the acoustic enclosure includes a Mic-pad fixed to an inner wall of the top wall of the housing by a fastener, a lower surface of the Mic-pad is spaced apart from an upper surface of the top wall of the acoustic chamber enclosure.

Further, under the condition that the loudspeaker box further comprises a Mic board, the Mic board is provided with a Mic, the shell is provided with a through hole penetrating the Mic, and a sealing silica gel piece is arranged between the Mic board and the through hole.

Further, under the condition that the sound box comprises the charging panel, the casing of the sound cavity box comprises a casing body and a line passing cylinder located at the bottom of the casing body, a line passing hole of the sound cavity box is formed in an inner hole of the line passing cylinder, the sealing structure of the sound cavity box comprises a sealing ring, the sealing ring is clamped between the bottom surface of the line passing cylinder and the charging panel, and a distance is reserved between the charging panel and the lower surface of the bottom wall of the casing body.

Furthermore, the sound cavity box is the sound cavity box, the shell is provided with a matching structure matched with the connecting column of the sound cavity box, and a gap is formed between the outer surface of the shell body of the shell of the sound cavity box and the inner surface of the shell.

Furthermore, a shock insulation structure is arranged between the shell and the sound cavity box.

Use the technical scheme of the utility model, with the mainboard setting in the casing of sound chamber case, utilized the inside sound chamber of casing to hold the mainboard. Make the sound chamber case can occupy the shared space of original mainboard, increased the volume of sound chamber case for the sound chamber case can obtain better audio. In addition, with the mainboard setting in the casing of sound chamber case, can strengthen the protection effect to the mainboard, promoted the life of mainboard.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of a split structure of an embodiment of a sound chamber box according to the present invention; and

fig. 2 shows a schematic view of a split structure of an embodiment of the sound box according to the present invention.

Wherein the figures include the following reference numerals:

1. a sound cavity; 2. an accommodating space; 10. a housing; 11. a housing body; 111. an upper housing; 112. a lower housing; 12. connecting columns; 13. a wire passing cylinder; 20. a sound producing device; 30. a main board; 40. a housing; 41. perforating; 42. an upper housing; 43. a base; 431. a mating post; 50. a sound cavity box; 60. a Mic plate; 70. sealing the silica gel piece; 80. a charging plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 2, the sound chamber box of the present embodiment includes: the sound emitting device comprises a shell 10, a sound emitting device 20 and a main board 30. Wherein the housing 10 has a sound chamber 1; the sound generating device 20 is arranged in the sound cavity 1; the main board 30 is disposed in the sound cavity 1 and electrically connected to the sound generating device 20.

By applying the technical solution of the present embodiment, the main board 30 is disposed in the casing 10 of the sound cavity box, and the sound cavity 1 inside the casing 10 is utilized to accommodate the main board 30. Make the sound chamber case can occupy the shared space of original mainboard, increased the volume of sound chamber case for the sound chamber case can obtain better audio. In addition, the main board 30 is arranged in the casing 10 of the sound cavity box, so that the protection effect on the main board 30 can be enhanced, and the service life of the main board 30 is prolonged.

The sound generating device 20 is a speaker.

As shown in fig. 1 to 2, in the present embodiment, the housing 10 is provided with a wire passing hole, and the sound cavity box 50 further includes: a wire and a sealing structure. Wherein, the first end of the lead is connected with the mainboard 30, and the second end of the lead passes through the wire passing hole; the sealing structure can seal the gap between the lead and the wire passing hole. In the above structure, the main board 30 needs to be connected to an external electronic component through a wire, and in order to facilitate the connection of the wire, a wire passing hole needs to be formed in the housing 10. The conducting wire and the wire passing hole are sealed through a sealing structure, on one hand, the sealing performance of the shell 10 can be improved, and the sound cavity box forms a closed cavity structure, so that the sound reduction effect of the sound cavity box is improved. On the other hand can prevent that the wire from moving in crossing the line hole, avoid wire and cross and produce the friction between the line hole to can reduce the probability that sound chamber case self produced the noise.

As shown in fig. 1 to 2, in the present embodiment, the casing 10 includes a casing body 11 and a connection column 12 disposed at the bottom of the casing body 11, and a lower surface of the connection column 12 protrudes downward from a lower surface of the casing body 11. In the above structure, the casing 10 is connected with the external structure through the connecting column 12, and this connection mode can reduce the contact area between the sound cavity box and the external structure as much as possible, so as to reduce the probability of resonance between the sound cavity box and the external structure, thereby being beneficial to reducing the noise generated by the sound box.

It should be noted that the housing body 11 includes an upper housing 111 and a lower housing 112 that are fastened to each other, the upper housing 111 and the lower housing 112 enclose the sound cavity 1, and the main board 30 is disposed on a top wall of the upper housing 111.

As shown in fig. 1 to 2, the present application further provides an acoustic enclosure, an embodiment of the acoustic enclosure of the present application includes: a housing 40 and a sound chamber box 50. Wherein the housing 40 has an accommodating space 2; the sound cavity box 50 is disposed in the accommodating space 2, and the sound cavity box 50 is the sound cavity box 50. In the above structure, the main board 30 is provided inside the sound chamber box 50, and this arrangement enables the sound chamber box 50 to occupy the space originally used for providing the main board 30, thereby increasing the volume of the sound chamber box 50. It should be noted that, the volume of the sound cavity box 50 is not larger as much as possible, and the volume of the sound cavity box 50 needs to be matched with the size of the sound generating device 20, so that the sound cavity box 50 can generate a better sound effect, and can ensure a smaller volume, thereby realizing the miniaturization design of the sound box.

It should be noted that most manufacturers for manufacturing sound boxes on the market firstly lock the main board and the auxiliary board on the outer wall of the sound cavity box to form an assembly, and then install the assembly into the housing. And the audio amplifier of this application is when the assembly, because the sound chamber incasement has the mainboard, consequently directly can form the audio amplifier with sound chamber case packing into the shell, assembly time when can effectively improve the assembly audio amplifier of the producer who makes the audio amplifier. As shown in fig. 1 to fig. 2, in the present embodiment, the sound cavity box 50 is the above-mentioned sound cavity box, the sound box further includes a Mic plate 60, the Mic plate 60 is disposed in the accommodating space 2, and a second end of a lead of the sound cavity box 50 is connected to the Mic plate 60; in the above structure, the Mic plate 60 is connected to the sound cavity box 50 through a conducting wire, a first end of the conducting wire is connected to the sound cavity box 50, and a second end of the conducting wire passes through the wire passing hole on the sound cavity box 50 and is connected to the Mic plate 60. Mic board 60 can discern user's sound, converts user's voice command into the signal of telecommunication and transmits for mainboard 30, and mainboard 30 can receive the signal of telecommunication that Mic board 60 transmitted to drive sound generating mechanism 20 and produce the sound and respond to user's command, thereby can realize the interactive effect with the user of audio amplifier. The lead and the wire passing hole are sealed through a sealing structure, wherein the sealing structure can be a plastic sealing gasket or a sealing glue.

As shown in fig. 1 to fig. 2, in the present embodiment, the sound box further includes a charging board 80, the charging board 80 is disposed in the accommodating space 2, and the second end of the wire of the sound cavity box 50 is connected to the charging board 80. In the above structure, the charging board 80 is connected to the main board 30 through a wire, a first end of the wire is connected to the main board 30, and the other end of the wire passes through the wire passing hole on the sound cavity box 50 to be connected to the charging board 80. The charging board 80 can supply power to the electronic components on the main board 30, so that the sound box can be used for a long time. The lead and the wire passing hole are sealed through a sealing structure.

It should be noted that the wires include a plurality of wires, and one of the plurality of wires connects the Mic board 60 and the main board 30. The other of the plurality of wires is connected to the charging plate 80 and the main board 30; a further one of the plurality of wires connects the main board 30 and the sound generating device 20.

Self can produce the vibration when the sound generating mechanism 20 in the audio amplifier is sounded, because sound generating mechanism 20 sets up on sound chamber case 50, can drive sound chamber case 50 and vibrate when sound generating mechanism 20 vibrates, if sound chamber case 50 contacts with exterior structure or the distance is too close, exterior structure can vibrate along with sound chamber case 50 together to lead to the production of resonance phenomenon. The resonance phenomenon can obviously increase the noise volume generated by the sound box, and the Mic board receives user instructions from the outside, so that adverse effects are caused. To solve the above problem, as shown in fig. 1 to 2, in the present embodiment, the Mic plate 60 is fixed to the inner wall of the top wall of the housing 40 by a fastener, and a lower surface of the Mic plate 60 is spaced from an upper surface of the top wall of the sound chamber box 50. In the above configuration, the influence of the resonance phenomenon on the Mic-plate 60 is reduced by avoiding the Mic-plate 60 from directly contacting the sound chamber box 50. Preferably, the lower surface of the Mic-plate 60 is spaced from the upper surface of the top wall of the sound chamber box 50 by a distance of 3mm to 10 mm.

As shown in fig. 1 to 2, in the present embodiment, a Mic is disposed on the Mic plate 60, a through hole 41 is disposed on the housing 40, and a sealing silicone element 70 is disposed between the Mic and the through hole 41. In the above structure, the Mic on the Mic plate 60 can be inserted into the through hole 41 on the housing 40, the Mic needs to be ensured to face the sound receiving structure of the sound box when being installed, and the Mic and the through hole 41 are sealed by the sealing silicone rubber 70. Above-mentioned structure can reduce Mic and receive the influence of the noise that audio amplifier self produced for Mic collects the sound that comes from external user as far as possible, thereby can promote the audio amplifier to the accuracy of user instruction discernment, is convenient for promote user's use and experiences.

As shown in fig. 1 to 2, in the present embodiment, the casing 10 of the sound cavity box 50 includes a casing body 11 and a wire passing tube 13 located at the bottom of the casing body 11, an inner hole of the wire passing tube 13 forms a wire passing hole of the sound cavity box 50, and the sealing structure of the sound cavity box 50 includes a sealing ring, the sealing ring is sandwiched between the bottom surface of the wire passing tube 13 and the charging plate 80, and a distance is provided between the charging plate 80 and the lower surface of the bottom wall of the casing body 11. In the above structure, the sealing ring can improve the sealing performance of the sound cavity box 50, so that the sound cavity box 50 forms an airtight cavity structure, thereby being beneficial to improving the sound restoring effect of the sound cavity box. In addition, the sealing ring can also play a role in buffering, so that the probability of resonance between the charging plate 80 and the sound cavity box 50 is reduced, and the probability of noise generation of the sound box is reduced.

As shown in fig. 1 to 2, in the present embodiment, the housing 40 is provided with a fitting structure that fits the connecting column 12 of the sound chamber box 50, and a gap is provided between the outer surface of the housing body 11 and the inner surface of the housing 40. In the structure, the matching structure comprises the matching column 431, a first mounting hole is formed in the matching column 431, a step surface is arranged in the first mounting hole, a second mounting hole is formed in the connecting column 12, the connecting column 12 can be inserted into the first mounting hole of the matching column 431, and the lower surface of the connecting column 12 can be abutted against the step surface in the first mounting hole. The fastener penetrates first mounting hole and second mounting hole from bottom to top in proper order, with sound chamber case 50 and shell 40 fixed connection. Preferably, the fastener may be a screw. The above structure enables the sound chamber box 50 and the housing 40 to be stably connected. In addition, the connecting column 12 protrudes from the lower surface of the casing body 11, so that the contact area between the sound cavity box 50 and the casing 40 can be reduced as much as possible, and the probability of resonance between the sound cavity box 50 and the casing 40 is reduced.

It should be noted that the housing 40 includes an upper housing 42 and a base 43, and the upper housing 42 and the base 43 enclose the accommodating space 2. During assembly, the Mic-board 60 is fastened to the top wall of the upper housing 42 by fasteners, and then the wires of the chamber box 50 are connected to the Mic-board 60 and the charging board 80. Then, the sound cavity box 50 is placed in the upper housing 42, the charging plate 80 and the sound cavity box 50 are connected to the base 43, and finally the base 43 is connected to the upper housing 42. The structure enables the whole machine to be assembled in sequence from top to bottom during production, thereby improving the assembly efficiency.

As shown in fig. 1 to 2, in the present embodiment, a vibration isolation structure is provided between the housing 40 and the sound chamber box 50. In the structure, the shock insulation structure comprises the gasket and/or the foam, the gasket is arranged between the lower surface of the connecting column 12 and the step surface in the first mounting hole to play a buffering role, and the probability of resonance phenomenon generated between the sound cavity box 50 and the shell 40 is further reduced. The foam is a filling material with a buffering effect, and when the noise generated by the sound box in factory detection does not meet the detection standard, the foam can be filled between the sound cavity box 50 and the shell 40 to reduce the adverse effect of the noise generated by the sound box.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sound chamber box, comprising:

a housing (10) having a sound chamber (1);

the sound generating device (20) is arranged in the sound cavity (1);

the main board (30) is arranged in the sound cavity (1) and is electrically connected with the sound generating device (20).

2. The sound chamber box as claimed in claim 1, wherein the housing (10) is provided with a wire passing hole, and the sound chamber box further comprises:

the first end of the lead is connected with the main board (30), and the second end of the lead penetrates out of the wire passing hole;

and the sealing structure seals a gap between the lead and the wire passing hole.

3. The sound chamber box according to claim 1, wherein the casing (10) comprises a casing body (11) and a connecting column (12) arranged at the bottom of the casing body (11), and the lower surface of the connecting column (12) protrudes downwards from the lower surface of the casing body (11).

4. An acoustic enclosure, comprising:

a housing (40) having an accommodation space (2);

a sound chamber box (50) arranged in the receiving space (2), characterized in that the sound chamber box (50) is a sound chamber box according to any one of claims 1 to 3.

5. An acoustic enclosure according to claim 4, wherein the cavity box (50) is the cavity box (50) of claim 2, the acoustic enclosure further comprising:

a Mic board (60) arranged in the accommodating space (2), wherein the second end of the lead of the sound cavity box (50) is connected with the Mic board (60); and/or the presence of a gas in the gas,

and the charging plate (80) is arranged in the accommodating space (2), and the second end of the lead of the sound cavity box (50) is connected with the charging plate (80).

6. An acoustic enclosure according to claim 5, wherein, in the case where the acoustic enclosure comprises the Mic plate (60), the Mic plate (60) is secured to the inner wall of the top wall of the enclosure (40) by fasteners, the Mic plate (60) having a distance between a lower surface thereof and an upper surface of the top wall of the acoustic chamber box (50).

7. An acoustic enclosure according to claim 5, wherein, in the case that the acoustic enclosure further comprises the Mic board (60), a Mic is provided on the Mic board (60), a through hole (41) is provided on the housing (40) for passing through the Mic, and a sealing silicone member (70) is provided between the Mic and the through hole (41).

8. An acoustic enclosure according to claim 5, wherein, in a case where the acoustic enclosure includes the charging plate (80), the housing (10) of the acoustic chamber box (50) includes a housing body (11) and a wire passing cylinder (13) located at a bottom of the housing body (11), an inner hole of the wire passing cylinder (13) forms a wire passing hole of the acoustic chamber box (50), the sealing structure of the acoustic chamber box (50) includes a sealing ring interposed between a bottom surface of the wire passing cylinder (13) and the charging plate (80), and a distance is provided between the charging plate (80) and a lower surface of a bottom wall of the housing body (11).

9. An acoustic enclosure according to claim 4, characterised in that the acoustic chamber box (50) is the acoustic chamber box (50) according to claim 3, the housing (40) is provided with a mating structure which mates with the connecting post (12) of the acoustic chamber box (50), and a gap is provided between the outer surface of the housing body (11) of the housing (10) of the acoustic chamber box (50) and the inner surface of the housing (40).

10. An acoustic enclosure according to claim 4, characterised in that a vibration isolation structure is provided between the housing (40) and the acoustic chamber box (50).