CN213368126U

CN213368126U - Sound box and electronic equipment

Info

Publication number: CN213368126U
Application number: CN202022206456.7U
Authority: CN
Inventors: 陈伟刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-04
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a sound box and electronic equipment. The sound box comprises a box body, a sound box body and a sound box, wherein the box body is provided with an inner cavity and an inverter hole communicated with the inner cavity; and the air pipe is provided with a first end and a second end which are opposite to each other, and an air duct which is communicated with the first end and the second end, and the first end of the air pipe is hermetically connected with the phase reversal hole, so that the inner cavity is communicated with the air duct. This audio amplifier sets up the tuber pipe in the outside of box, has played the effect of tuber pipe itself promptly, has increased the space of the inside inner chamber of box again for the effect of audio amplifier bass obtains promoting. Compared with the prior art, the sound box can emit rich bass and has the advantages of small volume, wide frequency domain and small distortion.

Description

Sound box and electronic equipment

Technical Field

The utility model relates to a audio amplifier technical field especially relates to an audio amplifier and electronic equipment.

Background

The air duct is an important component of the sound box, and has the functions of inverting the sound wave behind the loudspeaker by 180 degrees by means of the air in the sound box and the vibration of the air column in the air duct and relying on the reflection action of the rear plate of the sound box, and then transmitting the sound wave out by the air duct, so that the sound wave is in phase with the sound wave directly emitted by the loudspeaker, and the radiation energy of low frequency is increased. The traditional phase inversion type sound box air pipe needs to occupy the internal space of the box body, so that the small box body cannot show rich bass.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is desirable to provide a sound box and an electronic device that overcome the above-mentioned drawbacks, in order to solve the problem that the sound box in the related art cannot represent rich bass sound due to limited internal space.

An acoustic enclosure, comprising:

the box body is provided with an inner cavity and an inverter hole communicated with the inner cavity; and a process for the preparation of a coating,

the air pipe is arranged on the outer side of the box body and provided with a first end and a second end which are opposite to each other and an air channel which penetrates through the first end and the second end, and the first end of the air pipe is connected with the phase reversal hole in a sealing mode so that the air channel is communicated with the inner cavity.

In one embodiment, the second end of the air duct extends away from the housing.

In one embodiment, the housing further has a first outer wall, the inverted aperture opens into the first outer wall, the first end of the air hose is sealingly attached at the inverted aperture, and the second end extends along the first outer wall.

In one embodiment, the box body further has a second outer wall adjacent to the first outer wall, one end of the second outer wall extends away from the first outer wall of the box body to form a connecting wall, the first end of the air duct is connected with the connecting wall, the air duct is connected with the first outer wall, and the first end of the air duct is provided with a notch communicated with the phase inversion hole.

In one embodiment, the first outer wall and the connecting wall enclose the inverter hole, and the first end of the air duct is recessed along a longitudinal extension direction of the air duct to form the notch.

In one embodiment, an end surface of the second end of the air duct is flush with a third outer wall of the housing opposite the second outer wall.

In one embodiment, the second outer wall is a rear wall of the box body, and the first outer wall is a top wall of the box body;

or, the second outer wall is the top wall of the box body, and the first outer wall is the front wall of the box body.

In one embodiment, the side wall of the air duct and the first outer wall coincide with each other.

In one embodiment, the loudspeaker is arranged in the inner cavity, the box body is provided with a window, and the horn end of the loudspeaker is arranged at the window.

In one embodiment, the air duct has a longitudinal extension parallel to a center line of the speaker.

In addition, an electronic device is also provided, which comprises the sound box provided by any one of the above embodiments.

Above-mentioned audio amplifier sets up the tuber pipe in the outside of box, has played the effect of tuber pipe itself promptly, has increased the space of the inside inner chamber of box again for the effect of audio amplifier bass obtains promoting. Compared with the prior art, the sound box can emit rich bass and has the advantages of small volume, wide frequency domain and small distortion.

Drawings

Fig. 1 is a front view of a sound box according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the enclosure shown in FIG. 1;

fig. 3 is a front view of a sound box according to another embodiment of the present invention;

FIG. 4 is a cross-sectional view of the enclosure shown in FIG. 3;

fig. 5 is a front view of a sound box according to another embodiment of the present invention;

FIG. 6 is a cross-sectional view of the enclosure shown in FIG. 5;

fig. 7 is a front view of a sound box according to another embodiment of the present invention;

fig. 8 is a cross-sectional view of the sound box shown in fig. 7.

Description of reference numerals:

1. a box body; 11. an inverter hole; 2. an air duct; 21. an air duct; 3. a loudspeaker.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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 intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 6, an embodiment of the present invention provides a sound box, including a box body 1 and an air duct 2. The box body 1 is provided with an inner cavity and an inverter hole 11 communicated with the inner cavity; the air pipe 2 is arranged outside the box body 1, the air pipe 2 is provided with a first end and a second end which are opposite to each other, and an air duct 21 which runs through the first end and the second end, and the first end of the air pipe 2 is hermetically connected to the inverter hole 11, so that the inner cavity is communicated with the air duct 21.

When the loudspeaker box is used, the air pipe 2 is arranged outside the box body 1, so that the effect of the air pipe 2 is exerted, the space of the inner cavity of the box body 1 is increased, and the bass effect of the loudspeaker box is improved. Compared with the prior art, the sound box can emit rich bass and has the advantages of small volume, wide frequency domain and small distortion.

The first end of the air duct 2 is hermetically connected to the inverter hole 11, which helps to avoid the abnormal sound leakage caused by the unsealed connection at the inverter hole 11, thereby reducing the sound quality effect of the sound box.

In some embodiments, referring to fig. 2, a second end of the air duct 2, opposite the first end, extends in a direction away from the cabinet 1. At this time, the first end of the air pipe 2 is connected to the wall of the box body 1, and the second end of the air pipe 2 extends out of the box body 1 and extends to the space outside the box body 1. At this time, the inner cavity is communicated with the air duct 21, and the air duct 21 is not arranged in the inner cavity, so that the space of the inner cavity is increased, and the bass effect of the sound box is improved.

In a specific embodiment, the inverter hole 11 is disposed on the front wall of the sound box, the first end of the air duct 2 is hermetically connected to the inverter hole 11, and the second end of the air duct 2 extends away from the front wall of the sound box.

Optionally, the air duct 2 may be configured as a telescopic duct, when the sound box is not used, the air duct 2 is contracted onto the front wall of the sound box, and when the sound box is used, the air duct 2 is stretched to the longest state. So, can exert the effect and the effect of tuber pipe 2, can also avoid tuber pipe 2 to be bumped badly, can also reduce the space occupancy of audio amplifier simultaneously.

Furthermore, the air duct 2 can be formed by mutually nesting a plurality of sleeves, and two adjacent sleeves can be movably connected along the longitudinal extension direction of the air duct 2. When the device is used, the first end of the air pipe 2 is stretched to enable the sleeves at all stages to move relatively, so that the air pipe 2 is stretched to the longest state; when the sound box is not used, the first end of the air pipe 2 is pressed to enable the sleeves at all levels to move oppositely and relatively, and the air pipe 2 is stretched to the shortest state. Sealing rings can be arranged at the joints of the sleeves at all stages to prevent sound leakage.

In other embodiments, referring to fig. 3, 4, 5 and 6, the housing 1 further has a first outer wall, the inverter hole 11 is opened in the first outer wall, the first end of the air duct 2 is hermetically connected to the inverter hole 11, and the second end extends along the first outer wall. At this time, the projection of the air duct 2 on the ground is located or partially located within the projection of the first outer wall on the ground, so that the space occupied by the sound box can be reduced.

Specifically, in the embodiment, the box body 1 further has a second outer wall adjacent to the first outer wall, one end of the second outer wall of the box body 1 extends away from the first outer wall of the box body 1 to form a connecting wall, the first end of the air pipe 2 is connected to the connecting wall, the air pipe 2 is connected to the first outer wall, and the first end of the air pipe 2 is provided with a notch communicated with the phase reversal hole 11.

At the moment, the side wall of the air pipe 2 is connected to the first outer wall, and the first end of the air pipe 2 is connected to the connecting wall to form cross surface connection, so that the air pipe 2 is more firmly installed; install tuber pipe 2 on first outer wall simultaneously, the lengthwise part laminating of tuber pipe 2 is in first outer wall department, is favorable to reducing the space that the audio amplifier occupy.

Further, the connection wall and the first outer wall are formed with inverted holes 11, and the first end of the air duct 2 is recessed along the longitudinal extension direction of the air duct 2 to form the notch (not shown).

At the moment, the phase reversal hole 11 on the first outer wall is arranged at the connection part of the first outer wall and the connecting wall, and the phase reversal hole 11 is formed by the enclosing of the connecting wall and the first outer wall; the first end of the air pipe 2 is provided with a notch which is formed by sinking along the lengthwise extending direction of the air pipe 2, and the notch is arranged on one side of the first end of the air pipe 2, which is close to the first outer wall. So, when using, the air in the box 1 directly flows to the second end of tuber pipe 2 from the first end of tuber pipe 2, has avoided the air to get into the energy loss that the both ends of wind channel 21 caused to flow from the inverted phase hole 11 backward to wind channel 21, also avoids producing the influence to audio amplifier tone quality.

Further, the end surface of the second end of the air duct 2 is flush with a third outer wall of the box body 1 opposite to the second outer wall. So, the second end of tuber pipe 2 is located the audio amplifier within the projection on ground at subaerial projection, further helps reducing the space that the audio amplifier occupy, has also avoided tuber pipe 2 to take place to interfere with other objects simultaneously and has collided the risk that has caused tuber pipe 2 to damage.

Alternatively, referring to fig. 4 and 6, the second outer wall is a rear wall of the cabinet 1, the first outer wall is a top wall of the cabinet 1, the third outer wall is a front wall of the cabinet 1, and the speaker 3 disposed in the inner cavity is mounted on the front wall of the cabinet 1.

Alternatively, referring to fig. 7 and 8, the second outer wall is the top wall of the cabinet 1, the first outer wall is the front wall of the cabinet 1, the third outer wall is the bottom wall of the cabinet 1, and the speaker 3 disposed in the inner cavity is mounted on the top wall of the cabinet 1.

In the embodiment, referring to fig. 7 and 8, the side wall of the duct 2 and the first outer wall are overlapped with each other, and at this time, the space occupied by the first outer wall of the box body 1 is omitted, which is beneficial to further increasing the internal space of the box body 1.

Further, referring to fig. 7 and 8, the air duct 2 may be integrally formed with the cabinet body, which helps to avoid additional installation of the air duct 2.

In the above embodiment, the air duct 2 is preferably a straight pipe, so that the resistance of the wall of the air duct 2 to sound waves can be reduced during sound propagation, and the propagation energy loss can be reduced.

In the above embodiments, the cross-section of the duct 2 may be circular (see fig. 1 and 3), rectangular (see fig. 5), or irregular (see fig. 7). During the in-service use, can design the shape of tuber pipe 2 according to the nimble design of in-service use demand to remedy traditional class audio amplifier, the design pattern of box 1, tuber pipe 2 square rule square.

In some embodiments, the enclosure further comprises a speaker 3 disposed in the cavity, the enclosure 1 has a window, and the speaker 3 has a speaker opening mounted in the window.

When the loudspeaker is used, most of sound waves emitted by the loudspeaker 3 are transmitted to the outside of the loudspeaker box through the horn mouth, and a small part of the sound waves are transmitted to the inner cavity of the loudspeaker box through the tail part of the loudspeaker 3, are transmitted to the outside of the loudspeaker box through the air duct 21 under the reflection of the inner wall of the loudspeaker box, and are superposed with the sound emitted through the horn mouth to form a bass effect.

Optionally, the longitudinal extension direction of the air duct 2 is parallel to the center line of the speaker 3, so that the sound propagated through the air duct 2 and the sound emitted from the bell mouth of the speaker 3 can be superimposed in phase, thereby facilitating the generation of good bass quality and improving the quality of the sound box.

The utility model provides an audio amplifier through setting up tuber pipe 2 in the outside of audio amplifier box 1, can enlarge the inner space of audio amplifier, improves the bass effect of audio amplifier.

Additionally, the embodiment of the utility model provides an electronic equipment is still provided, and this electronic equipment includes the audio amplifier that any above-mentioned embodiment provided. Since the electronic device includes the sound box, the electronic device also has all the advantages of the sound box, for example, the electronic device also has a rich bass effect, which is not described herein again.

The electronic device may be any device or apparatus that needs to be equipped with a sound box, such as a mobile phone, a notebook computer, a television, an automobile, and the like.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An acoustic enclosure, comprising:

2. The acoustic enclosure of claim 1, wherein the second end of the air duct extends away from the cabinet.

3. The acoustic enclosure of claim 1, wherein the cabinet further has a first outer wall, the inverter opening is defined in the first outer wall, the first end of the duct is sealingly coupled to the inverter opening, and the second end of the duct extends along the first outer wall.

4. The acoustic enclosure of claim 3, wherein the enclosure further includes a second outer wall adjacent to the first outer wall, wherein an end of the second outer wall extends away from the first outer wall of the enclosure to form a connecting wall, wherein the first end of the air duct is connected to the connecting wall, wherein the air duct is connected to the first outer wall, and wherein the first end of the air duct defines a notch that communicates with the phase reversal hole.

5. The acoustic enclosure of claim 4, wherein the first outer wall and the connecting wall enclose the inverter aperture, and the first end of the duct is recessed along a longitudinal extent of the duct to form the gap.

6. An acoustic enclosure according to claim 4, wherein an end face of the second end of the air duct is flush with a third external wall of the cabinet opposite the second external wall.

7. The acoustic enclosure of claim 4, wherein the second exterior wall is a rear wall of the cabinet and the first exterior wall is a top wall of the cabinet;

8. An acoustic enclosure according to claim 3, wherein the side walls of the air duct and the first outer wall coincide with one another.

9. An acoustic enclosure according to any one of claims 1 to 8, further comprising a loudspeaker disposed in the interior chamber, the enclosure having a window therein, the horn end of the loudspeaker being mounted in the window.

10. An electronic device, characterized in that it comprises a loudspeaker box according to any one of claims 1-9.