CN217283245U

CN217283245U - Horn type sound box

Info

Publication number: CN217283245U
Application number: CN202220442136.8U
Authority: CN
Inventors: 曾忠文
Original assignee: Shenzhen Yayu Technology Co ltd
Current assignee: Shenzhen Yayu Technology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-08-23
Anticipated expiration: 2032-03-01

Abstract

The utility model provides a horn type sound box, belonging to the technical field of sound boxes and comprising a box body, a full-frequency horn, a passive cavity component and a circuit component; the box body is provided with a first accommodating groove and a second accommodating groove which are arranged at intervals; the full-frequency loudspeaker is arranged in the first accommodating groove; the passive cavity assembly is arranged in the second accommodating groove; the passive cavity component comprises a passive diaphragm annularly arranged in the second accommodating groove; the circuit assembly is arranged in the box body; the circuit component is electrically connected with the full-frequency loudspeaker; wherein, full frequency loudspeaker are used for vibrating the sound production under circuit assembly's drive to drive the air current vibration in first holding tank and the second holding tank, thereby drive passive vibrating diaphragm vibration. The utility model provides a loudspeaker formula audio amplifier can obtain good bass effect, makes tone quality better, and the listening is felt more softly and is releived.

Description

Horn type sound box

Technical Field

The utility model belongs to the technical field of the audio amplifier, more specifically says, relates to a loudspeaker formula audio amplifier.

Background

The loudspeaker box is the terminal of the whole sound system, is an extremely important component of the sound system, and has the function of converting audio electric energy into corresponding sound energy and radiating the sound energy into space. Usually, the sound box products have cavities to give full play to the performance of the loudspeaker, the large sound boxes on the market are all full-frequency-band sound boxes consisting of middle and high tones, bass, a guide tube and the like, and the high and low tones and the listening feeling are balanced in the mode, and the small or mini portable sound boxes often cannot have the frequency bands of high tones, middle tones and low tones at the same time due to the limitation of the volume.

In the prior art, a small or mini portable sound box is often provided with two groups of full-frequency loudspeakers, and the bass effect is enhanced by changing some surfaces of a box body or a shell into a structure of a passive basin; however, in practical application, the enhancement effect is not obvious, and a soft and relaxed bass effect cannot be obtained.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loudspeaker formula audio amplifier aims at solving the poor technical problem of small-size audio amplifier bass effect among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a horn type sound box including:

the box body is provided with a first accommodating groove and a second accommodating groove which are arranged at intervals;

the full-frequency loudspeaker is arranged in the first accommodating groove;

the passive cavity assembly is arranged in the second accommodating groove; the passive cavity component comprises a passive diaphragm annularly arranged in the second accommodating groove;

the circuit assembly is arranged in the box body; the circuit component is electrically connected with the full-frequency loudspeaker;

wherein, full frequency loudspeaker be used for the drive of circuit component vibrates the sound production down, and drives first holding tank with the air current vibration in the second holding tank, thereby drives passive vibrating diaphragm vibration.

In a possible implementation manner, the passive cavity assembly further comprises a basin frame detachably connected with the second accommodating groove, the basin frame is of an annular structure, and the annular inner ring of the basin frame is connected with the passive vibrating diaphragm.

In some embodiments, the passive diaphragm includes:

the elastic ring is detachably connected with the inner ring of the basin stand;

the basin body structure is arranged inside the elastic ring, and the center of the basin body structure is provided with a radian protruding towards the front surface of the box body;

wherein, the basin body structure, the elastic ring all with the basin frame is coaxial.

Illustratively, the outer edge of the elastic ring is provided with an annular first flange, and the elastic ring is connected to the inner ring of the basin frame through the first flange; the interior of the elastic ring is provided with a second flange extending towards the center direction of the elastic ring, and the pot body structure is connected onto the second flange.

In some embodiments, an annular step surface is arranged in the second accommodating groove, and the basin frame is connected to the step surface through bolts.

In one possible implementation, the case includes:

a lower housing;

one side of the middle supporting shell is detachably connected with the lower shell, and the other side of the middle supporting shell is provided with the first accommodating groove and the second accommodating groove which protrude towards the lower shell;

the cover body is detachably connected to one side of the lower shell body, which is far away from the middle supporting shell, and covers the first accommodating groove and the second accommodating groove.

In some embodiments, an installation space is defined by an outer side groove wall of the protruding end of the first accommodating groove, an outer side groove wall of the protruding end of the second accommodating groove, and an inner wall of the middle support shell facing the lower shell, and the circuit assembly is fixedly arranged in the installation space.

Illustratively, the outer peripheral surfaces of the middle supporting shell and the lower shell are provided with key assemblies connected with the circuit assembly.

In some embodiments, the outer peripheral surface of the middle support shell is further provided with a connection ring.

Compared with the prior art, the scheme shown in the embodiment of the application has the advantages that the full-frequency loudspeaker and the passive cavity component are arranged in the box body simultaneously, so that air in the sound box body can be driven to flow when the full-frequency loudspeaker vibrates, the passive vibrating diaphragm of the passive cavity component is pushed to vibrate, the passive cavity is formed in the second accommodating groove, the effect of low-frequency volume is enhanced, the diving depth of bass is enhanced, a better bass effect is obtained, the tone quality is better, and the listening feeling is softer and more comfortable; meanwhile, the passive cavity assembly is adopted to replace one group of full-frequency loudspeakers, so that the manufacturing cost can be saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an exploded schematic view of a horn-type sound box according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a middle supporting shell of the horn-type sound box according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a passive cavity assembly of a horn-type sound box according to an embodiment of the present invention.

In the figure: 1. a box body; 11. a lower housing; 12. a middle support shell; 121. a first accommodating groove; 122. a second accommodating groove; 1222. a step surface; 123. an installation space; 13. a cover body; 2. a full-frequency loudspeaker; 3. a passive cavity assembly; 31. a basin stand; 32. a passive diaphragm; 321. an elastic ring; 3211. a first flange; 3212. a second flange; 322. a pot body structure; 4. a circuit component; 5. a key assembly; 6. and (7) connecting rings.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 3, a horn-type sound box according to the present invention will now be described. Loudspeaker formula audio amplifier includes box 1, full loudspeaker 2, passive cavity subassembly 3 and circuit subassembly 4. The box body 1 is provided with a first accommodating groove 121 and a second accommodating groove 122 which are arranged at intervals; the full-frequency horn 2 is arranged in the first accommodating groove 121; the passive cavity assembly 3 is disposed in the second receiving groove 122; the passive cavity assembly 3 includes a passive diaphragm 32 annularly disposed in the second receiving groove 122; the circuit component 4 is arranged in the box body 1; the circuit component 4 is electrically connected with the full-frequency loudspeaker 2; wherein, full loudspeaker 2 is used for vibrating the sound production under circuit component 4's drive to drive the air current vibration in first holding tank 121 and the second holding tank 122, thereby drive passive vibrating diaphragm 32 vibration.

It will be understood that the cabinet 1 has a front face for sound production, and a rear face opposite the front face; and the sound production end of the full-frequency loudspeaker 2 faces the front of the box body 1.

The full-range speaker 2 used in the present application may also be referred to as a full-range speaker, and can generate vibration and sound under the driving of the circuit component 4. The circuit component 4 can adopt a main PCBA and is mainly formed by assembling printed circuit boards, and can realize the functions of supplying power and driving the full-frequency loudspeaker 2 to vibrate and sound; the specific structure and the working principle of the circuit component 4 and the full-frequency loudspeaker 2 belong to the prior art, and are not described herein again.

In addition, it should be understood that, when full-frequency loudspeaker 2 vibrates and sounds, the air flow in the first accommodating groove 121 is driven, and the air flow in the second accommodating groove 122 is driven to vibrate, and when the air flow in the second accommodating groove 122 vibrates and drives the passive diaphragm 32 to vibrate, a passive cavity is formed in the second accommodating groove 122, and the volume of the passive cavity approximately occupies one half of the box body 1, so that the diving depth of the bass can be increased, a better bass effect can be obtained, and the sound sensation is more gentle and gentler.

Compared with the prior art, the horn type sound box provided by the utility model has the advantages that the full-frequency horn 2 and the passive cavity component 3 are arranged in the box body 1 simultaneously, so that when the full-frequency horn 2 vibrates, the air in the sound box body 1 is driven to flow, the passive vibrating diaphragm 32 of the passive cavity component 3 is pushed to vibrate, a passive cavity is formed in the second accommodating groove 122, the effect of low-frequency volume is enhanced, the diving depth of bass is enhanced, a better bass effect is obtained, the tone quality is better, and the listening feeling is softer and more comfortable; meanwhile, the passive cavity assembly 3 is adopted to replace one group of full-frequency loudspeakers 2, so that the manufacturing cost can be saved.

It should be understood that the full-range speaker 2 is provided with a connection terminal, and the full-range speaker 2 is electrically connected to the circuit assembly 4 through the connection terminal.

Referring to fig. 1 and 3, in some possible embodiments, the passive cavity assembly 3 further includes a frame 31 detachably connected to the second receiving groove 122, the frame 31 is in an annular structure, and an annular inner ring of the frame 31 is connected to the passive diaphragm 32.

The frame 31 is used for supporting the passive diaphragm 32, so that when the air flow in the second receiving cavity 122 vibrates, the passive diaphragm 32 is driven to vibrate together.

Referring to fig. 3, in some embodiments, the passive diaphragm 32 includes an elastic ring 321 and a bowl structure 322; the elastic ring 321 is detachably connected with the inner ring of the basin frame 31; the pot body structure 322 is arranged inside the elastic ring 321, and the center of the pot body structure has a radian protruding towards the front surface of the box body 1; wherein, the pot body structure 322 and the elastic ring 321 are coaxial with the pot frame 31.

When the airflow in the second receiving groove 122 vibrates, the tub structure 322 and the elastic ring 321 will also vibrate correspondingly, and form the passive cavity with the airflow in the second receiving groove 122, so as to enhance the bass effect.

In addition, it should be noted that the basin structure 322 may be a paper basin or an aluminum basin, and is a part of the passive diaphragm 32, and is configured to vibrate under the driving of the vibrating airflow.

Referring to fig. 3, in an exemplary embodiment, an annular first flange 3211 is disposed on an outer edge of the elastic ring 321, and the elastic ring 321 is connected to the inner ring of the frame 31 through the first flange 3211; the elastic ring 321 is provided with a second flange 3212 extending toward the center of the elastic ring 321, and the pot body structure 322 is connected to the second flange 3212.

It should be understood that the resilient ring 321 and the bowl structure 322 are conveniently attached to the basin frame 31 by providing the first and

second flanges

3211, 3212.

Referring to fig. 1, in some embodiments, an annular step 1222 is disposed in the second receiving groove 122, and the basin frame 31 is connected to the step 1222 by bolts.

Alternatively, a plurality of connection holes are provided at intervals in the outer edge of the tub frame 31, and one end of a bolt is passed through the connection holes and screwed into the stepped surface 1222. Preferably, the number of the connection holes is four. In addition, it should be noted that a plurality of leak holes with different shapes can be arranged on the basin stand 31.

Referring to fig. 1 and 2, in some possible embodiments, the box 1 includes a lower housing 11, a middle supporting shell 12 and a cover 13; one side of the middle supporting shell 12 is detachably connected with the lower shell 11, and the other side is provided with a first accommodating groove 121 and a second accommodating groove 122 which protrude towards the lower shell 11; the cover 13 is detachably connected to a side of the middle support case 12 away from the lower case 11 and covers the first receiving groove 121 and the second receiving groove 122.

Specifically, one side of the middle support shell 12 is clamped to the lower shell 11, and the cover 13 is clamped to the other side of the middle support shell 12. The specific clamping mode can be designed and selected according to actual needs.

Illustratively, the outer groove wall of the protruding end of the first receiving groove 121, the outer groove wall of the protruding end of the second receiving groove 122, and the inner wall of the middle support case 12 facing the lower case 11 enclose an installation space 123, and the circuit assembly 4 is fixedly disposed in the installation space 123.

Through setting up installation space 123 to circuit component 4 in installation space 123 for the opening direction of installation space 123 is opposite with the opening direction of first holding tank 121, so that the inner structure of rational configuration box 1, improves the space utilization in box 1.

Optionally, an annular first protruding block extending in a direction away from the lower case 11 is disposed at an edge of an opening of the lower case 11, an annular first groove adapted to the first protruding block is disposed on the middle support case 12, and when the middle support case 12 is connected to the lower case 11, the first protruding block is connected to the first groove in a matching manner. Optionally, the first protrusion is clamped in the first groove. In addition, a plurality of elastic clamping blocks clamped with the middle supporting shell 12 are arranged on the edge of the cover body 13, and the elastic clamping blocks are arranged around the outer edge of the cover body 13 at intervals.

It should be understood that the lower housing 11 is provided therein with a receiving cavity into which the protruding ends of the first receiving groove 121 and the protruding ends of the second receiving groove 122 of the middle support housing 12 extend.

Alternatively, the connection between the mid-support shell 12 and the lower shell 11, and between the mid-support shell 12 and the cover 13 may also be by threaded connections.

Preferably, the middle support shell 12, the lower shell 11 and the cover 13 are ellipsoidal, which is convenient for holding.

Referring to fig. 1, in some embodiments, the outer peripheral surfaces of the middle supporting case 12 and the lower case 11 are provided with key assemblies 5 connected to the circuit assembly 4. The key assembly 5 is connected with the circuit assembly 4 and is used for controlling the on-off of the circuit assembly 4; the specific structure of the key assembly 5 and the connection mode with the circuit assembly 4 are all in the prior art, and are not described herein again.

Referring to fig. 1, the middle support shell 12 is further provided with a connection ring 6 on the outer circumferential surface. Through setting up go-between 6, conveniently draw and accomodate this audio amplifier.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Loudspeaker formula audio amplifier, its characterized in that includes:

the full-frequency loudspeaker is arranged in the first accommodating groove;

wherein, full loudspeaker of frequently is used for the drive of circuit component vibrates the sound production down, and drives first holding tank with the air current vibration in the second holding tank, thereby drives passive vibrating diaphragm vibration.

2. The horn-type sound box according to claim 1, wherein the passive cavity assembly further comprises a frame detachably connected to the second receiving groove, the frame is in an annular structure, and the passive diaphragm is connected to an annular inner ring of the frame.

3. The horn loudspeaker of claim 2, wherein the passive diaphragm comprises:

4. The horn type sound box according to claim 3, wherein an outer edge of the elastic ring is provided with a first flange having an annular shape, and the elastic ring is connected to the inner ring of the frame through the first flange; the interior of the elastic ring is provided with a second flange extending towards the center direction of the elastic ring, and the pot body structure is connected onto the second flange.

5. The horn speaker of claim 2, wherein an annular step surface is provided in the second receiving groove, and the frame is connected to the step surface by bolts.

6. The horn enclosure of claim 1, wherein the enclosure comprises:

a lower housing;

7. The horn type sound box according to claim 6, wherein an outer side groove wall of the projecting end of the first receiving groove, an outer side groove wall of the projecting end of the second receiving groove, and an inner wall of the middle support case facing the lower case enclose an installation space in which the circuit component is fixedly disposed.

8. The horn speaker of claim 7, wherein the middle support case and the lower case have key assemblies on their outer peripheral surfaces, which are connected to the circuit assembly.

9. The horn enclosure of claim 7, wherein the intermediate support shell further comprises a coupling ring on an outer peripheral surface thereof.