CN211128092U

CN211128092U - Sound box

Info

Publication number: CN211128092U
Application number: CN202020097917.9U
Authority: CN
Inventors: 毛细玉; 杨项朝; 杨文涛; 刘轩楷
Original assignee: Beijing Baidu Netcom Science and Technology Co Ltd
Current assignee: Shanghai Xiaodu Technology Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-07-28
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a sound box, include: the loudspeaker box comprises a loudspeaker box shell and a loudspeaker installation structure. The sound box shell is constructed into a sound cavity shell; the loudspeaker mounting structure is arranged in the sound box shell so as to divide a sound cavity in the sound box shell into a front sound cavity and a rear sound cavity. The sound box shell of the sound box is directly formed into the sound cavity shell, so that the sound cavity is a non-independent module and is not required to be independently installed in the sound box shell, the manufacturing cost can be effectively saved, and the whole volume of the sound box can be ensured to be smaller.

Description

Sound box

Technical Field

The utility model relates to an electronic equipment technical field particularly, relates to a sound box.

Background

Traditional audio amplifier adopts independent sound chamber more, need set up the sound chamber module alone in the audio amplifier casing promptly, and the whole cost that leads to the audio amplifier is higher, and the sound chamber module occupies audio amplifier casing inner space great, leads to the whole volume of audio amplifier great, has the improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides an audio amplifier, the audio amplifier casing of this audio amplifier directly forms into sound chamber shell to make the sound chamber be non-independent module, need not install alone in the audio amplifier casing, can effectively save manufacturing cost, and can guarantee that the whole volume of audio amplifier is littleer.

According to the utility model discloses an audio amplifier, include: a speaker housing configured as a sound chamber housing; the loudspeaker mounting structure is arranged in the sound box shell so as to separate the sound cavity in the sound box shell into a front sound cavity and a rear sound cavity.

According to the utility model discloses an audio amplifier, the audio amplifier casing of this audio amplifier directly forms into the sound chamber shell to make the sound chamber be non-independent module, need not install alone in the audio amplifier casing, can effectively save manufacturing cost, and can guarantee that the whole volume of audio amplifier is littleer.

In addition, according to utility model embodiment's audio amplifier, can also have following additional technical characterstic:

According to some embodiments of the utility model, the audio amplifier casing includes: the loudspeaker comprises an upper shell and a lower shell, wherein the upper shell is connected with the lower shell, the rear sound cavity is defined between the upper shell and the loudspeaker mounting structure, and the front sound cavity is defined between the lower shell and the loudspeaker mounting structure.

According to some embodiments of the utility model, the upper housing has the under shed, the under shed with speaker mounting structure sealing connection, the lower housing cover is established the outside of speaker mounting structure and with the upper housing is connected.

According to some embodiments of the present invention, the lower case is formed with a sound hole, and the sound emitting portion of the speaker provided on the speaker mounting structure faces the lower case.

According to some embodiments of the utility model, be formed with many cell bodies along circumference on the casing down, at least part on the diapire of cell body is formed with go out the sound hole.

According to some embodiments of the utility model, the audio amplifier still includes: the upper end of the upper shell is sunken to form an installation groove, the upper cover is fixed with the upper end joint of the upper shell, and the main control board is arranged in the installation groove and is located between the upper cover and the installation groove.

According to some embodiments of the utility model, be provided with infrared remote control lamp on the main control board, at least a part structure of upper cover is infrared printing opacity lid, infrared remote control lamp orientation infrared printing opacity lid sets up.

According to some embodiments of the present invention, the infrared light transmitting cover is configured as a control button, and the control button is opposite to the upper case and moves up and down.

According to some embodiments of the utility model, the audio amplifier still includes: the stabilizing pad is fixedly connected with the sound box shell in a clamping mode.

According to the utility model discloses a some embodiments, the lower extreme of casing down to go up the casing direction sunken in order to form the cooperation groove, it is protruding to be formed with the cooperation on the stabilizer pad, the cooperation protruding with cooperation groove interference fit connects.

Drawings

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

Fig. 2 is a schematic structural diagram of a sound box according to an embodiment of the present invention;

Fig. 3 is a partial exploded view of a sound box according to an embodiment of the present invention.

Reference numerals:

The loudspeaker box 100, the loudspeaker box shell 1, the loudspeaker mounting structure 2, the front sound cavity 31, the upper shell 11, the lower shell 12, the lower opening 111, the sound outlet hole 121, the groove body 122, the main control board 4, the upper cover 5, the mounting groove 112, the infrared remote control lamp 41, the infrared light-transmitting cover 51, the stabilizing pad 6, the matching groove 123, the matching protrusion 61, the loudspeaker 7, the sound cone 8, the energy supply device 9 and the sealing ring 10.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 one or more of that 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 connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. 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 disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

An acoustic enclosure 100 according to an embodiment of the present invention is described below with reference to fig. 1-3.

According to the utility model discloses audio amplifier 100 can include: a cabinet housing 1 and a loudspeaker mounting structure 2.

As shown in fig. 1 and 2, the cabinet housing 1 is configured as a cabinet housing. In other words, the enclosure 1 is a sound cavity housing. That is to say, the utility model discloses a sound chamber is not independent of audio amplifier casing 1 existence, and the sound chamber is the dependent module of non promptly, need not set up alone in audio amplifier casing 1. Therefore, the manufacturing cost can be low, and because an independent sound cavity module is not needed, the sound box 100 can be ensured to have smaller integral volume without occupying excessive space in the sound box shell 1.

Further, the speaker mounting structure 2 is a structure for fixing the speaker 7, for example, a bracket of the speaker 7, on which the speaker 7 is fixed, wherein the speaker mounting structure 2 is disposed in the cabinet housing 1 to stably dispose the speaker 7 in the cabinet housing 1, and the speaker mounting structure 2 can divide the whole sound cavity in the cabinet housing 1 into two independent sub-sound cavities, namely a front sound cavity 31 and a rear sound cavity.

One of the front sound cavity 31 and the rear sound cavity is a sound outlet cavity, that is, the speaker 7 can send sound out of the sound box housing 1 through the sound outlet cavity, and the other is an auxiliary sound cavity, so that the speaker 7 can better play sound out of the sound box housing 1.

According to the utility model discloses audio amplifier 100, this audio amplifier 100's audio amplifier casing 1 directly forms into the sound chamber shell to make the sound chamber be non-independent module, need not install alone in audio amplifier casing 1, can effectively save manufacturing cost, and can guarantee that audio amplifier 100's whole volume is littleer.

With reference to the embodiments shown in fig. 1 to 3, the enclosure 1 includes: the sound box comprises an upper shell 11 and a lower shell 12, wherein the upper shell 11 is connected with the lower shell 12 to form the sound box shell 1, and for example, a threaded connection mode can be adopted, namely, an external thread is arranged on one of the upper shell 11 and the lower shell 12, an internal thread is arranged on the other one of the upper shell 11 and the lower shell 12, and the internal thread and the external thread are connected. Alternatively, the upper case 11 and the lower case 12 may be connected in an adhesive manner.

Wherein a rear sound chamber is defined between the upper housing 11 and the speaker mounting structure 2, and a front sound chamber 31 is defined between the lower housing 12 and the speaker mounting structure 2. Hereby it is achieved that the loudspeaker mounting structure 2 separates the whole sound cavity to achieve two separate sub-sound cavities with different functions.

Further, referring to fig. 1, the upper casing 11 has a lower opening 111, that is, the lower end of the upper casing 11 is open to form the lower opening 111, wherein the lower opening 111 is hermetically connected to the speaker mounting structure 2 to define a sealed rear sound cavity between the upper casing 11 and the speaker mounting structure 2, so as to ensure the stability of the rear sound cavity, and enable the rear sound cavity to better assist the speaker 7 to emit sound to the outside of the enclosure 1.

Specifically, the speaker mounting structure 2 includes: the extension portion is suitable for extending into the upper shell 11 from the lower opening 111, the outer peripheral wall of the extension portion is in limit fit with the inner peripheral wall of the upper shell 11, and the stop flange stops at the lower edge of the upper shell 11 to play a role in limiting. Wherein, the upper shell 11 and the loudspeaker installation structure 2 can be connected and fixed by adopting an adhesive mode.

Preferably, a sealing ring 10 may be disposed between the outer peripheral wall of the protruding portion and the inner peripheral wall of the upper housing 11 to further ensure the sealing performance of the rear sound cavity.

Still further, referring to fig. 1, the lower housing 12 is fitted over the outer side of the speaker mounting structure 2 and is connected to the upper housing 11. Hereby is achieved that the loudspeaker mounting structure 2 divides the sound cavity into a front sound cavity 31 and a rear sound cavity. That is, the upper case 11 closed by the speaker mounting structure 2 is formed as a rear sound chamber, and the other spaces in the cabinet case 1 are front sound chambers 31.

As shown in fig. 1 to 3, the lower case 12 is formed with a sound outlet hole 121, and the sound emitted from the speaker 7 is adapted to be emitted from the sound outlet hole 121 to the outside of the cabinet case 1, wherein the sound emitting portion of the speaker 7 provided on the speaker mounting structure 2 is disposed toward the lower case 12. That is, the front sound chamber 31 in the lower casing 12 is configured as a sound outlet chamber, and the rear sound chamber in the upper casing 11 is configured as an auxiliary sound chamber, so that the sound emitted from the sound emitting portion of the speaker 7 can pass through the front sound chamber 31 and be emitted from the sound outlet hole 121 to the outside of the enclosure casing 1, thereby realizing the sound emission of the enclosure 100.

Further, referring to fig. 1 and 2, a plurality of grooves 122 are formed on the lower case 12 along the circumferential direction, and sound emitting holes 121 are formed at least partially on the bottom wall of the grooves 122. Thereby, the strength of the lower case 12 can be ensured, and the setting stability of the sound outlet hole 121 can be ensured. Wherein, the sound outlet hole 121 may be configured as a rectangular through hole or an oblong through hole. Thereby, the arrangement is more convenient.

Further, by providing as above, it is also possible to avoid providing a cloth cover or a dust screen on the lower case 12, which not only can satisfy acoustic requirements but also can make manufacturing costs lower.

As shown in fig. 1, a sound cone 8 is disposed in the lower housing 12, and the sound cone 8 is disposed below the speaker 7 and connected to the speaker mounting structure 2, so that the speaker 7 can better emit sound to the outside of the enclosure 1.

As shown in fig. 1, the sound box 100 further includes: a main control panel 4 and an upper cover 5, wherein the main control panel 4 is a control element of the sound box 100, which can control the operation of the whole sound box 100, and a microphone is arranged thereon for collecting the sound outside the sound box 100, such as the voice of the user speaking. The microphone is adapted to communicate with the speaker 7, so that the microphone can process the collected sound to be transmitted to the speaker 7 and be output by the speaker 7, or the speaker 7 can diffuse other sound outwards.

Preferably, the microphones may be arranged as a two-microphone array on the main control board 4. Therefore, the sound collection can be more accurate, and the sound collection effect of the microphone can be better.

Referring to fig. 1, the sound box 100 further has a power supply device 9 therein, the power supply device 9 is adapted to supply power required for operation to the whole sound box 100 to ensure that the sound box 100 can operate normally, wherein the power supply device 9 is disposed in the lower casing 12 and below the sound cone 8 to avoid affecting normal propagation of sound emitted by the speaker 7.

As shown in fig. 1 and 2, the upper end of the upper casing 11 is recessed toward the lower casing 12 to form a mounting groove 112, that is, the upper end of the upper casing 11 is closed and formed with the mounting groove 112, wherein the upper cover 5 is fastened to the upper end of the upper casing 11, so as to avoid using a fastener, thereby effectively reducing the overall cost and weight of the sound box 100.

Preferably, a sealing ring 10 may be disposed between the upper cover 5 and the upper housing 11 to further ensure the sealing performance at the mounting groove 112, so as to effectively protect the main control board 4.

Further, the main control board 4 is disposed in the mounting groove 112 and between the upper cover 5 and the mounting groove 112. That is, the main control board 4 is provided at the upper end of the upper case 11 and is closed by the upper cover 5. Because the main control board 4 is disposed in the mounting groove 112, the main control board 4 can be disposed more stably, and the overall volume of the sound box 100 can be smaller.

As shown in fig. 1, the main control board 4 is provided with an infrared remote control lamp 41, that is, the main control board 4 is further integrated with an infrared remote control device, the infrared remote control device can remotely control the infrared type household electrical appliance or other devices through the infrared remote control lamp 41, that is, the utility model discloses an infrared remote control function is further integrated with the sound box 100 to make the whole functionality stronger.

Further, at least a part of the upper cover 5 is configured as an infrared light-transmitting cover 51, the infrared remote control lamp 41 is disposed toward the infrared light-transmitting cover 51, and infrared control light emitted from the infrared remote control lamp 41 is adapted to be transmitted to the outside of the sound box 100 through the infrared light-transmitting cover 51, so as to control other electric appliances. The infrared transparent cover 51 can be made of plastic material with high infrared transmittance, so as to reduce the shielding of infrared control light and ensure the remote control effect of the infrared remote control device.

Preferably, the infrared light-transmitting cover 51 can be manufactured by a process of spraying white paint on a transparent material, so that the requirements of white appearance and infrared light transmission can be met.

In connection with the embodiment shown in fig. 1 and 2, the infrared-transmitting cover 51 is configured as a control button that is movable up and down relative to the upper housing 11. The control buttons can press the buttons on the main control board 4 to facilitate the operation and control of the sound box 100. For example, an infrared remote control is manipulated. Therefore, the infrared light-transmitting cover 51 can be integrated with various functions, so that the whole structure of the sound box 100 is more compact and the integration level is higher.

As shown in fig. 1-3, the sound box 100 further includes: and the stabilizing pad 6 is fixedly connected with the sound box shell 1 in a clamping manner. Wherein, the stabilizing pad 6 can be the buffering shock pad, and the stabilizing pad 6 is used for the shock absorption because of receiving the external environment influence to make the vibrations that the complete machine produced, and then can effectual protection audio amplifier 100 avoid the harm of vibration, and can make the more stable that audio amplifier 100 can place to in carry out accurate collection to sound, with the collection effect of effectively promoting audio amplifier 100 to far field sound.

Wherein, the stabilizing pad 6 and the sound box housing 1 are fixed in a clamping manner, so that unnecessary fasteners can be avoided, and the manufacturing cost and the weight of the sound box 100 can be effectively reduced.

Further, as shown in fig. 3, the lower end of the lower housing 12 is recessed toward the upper housing 11 to form a fitting groove 123, and a fitting protrusion 61 is formed on the stabilizing pad 6, and the fitting protrusion 61 is connected with the fitting groove 123 in an interference fit manner. Therefore, the connection between the stabilizing pad 6 and the lower housing 12 can be more stable, so as to ensure the overall setting stability of the sound box 100.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An acoustic enclosure, comprising:

A speaker housing configured as a sound chamber housing;

The loudspeaker mounting structure is arranged in the sound box shell so as to separate the sound cavity in the sound box shell into a front sound cavity and a rear sound cavity.

2. The acoustic enclosure of claim 1, wherein the enclosure housing comprises: the loudspeaker comprises an upper shell and a lower shell, wherein the upper shell is connected with the lower shell, the rear sound cavity is defined between the upper shell and the loudspeaker mounting structure, and the front sound cavity is defined between the lower shell and the loudspeaker mounting structure.

3. The acoustic enclosure of claim 2, wherein the upper housing has a lower opening, the lower opening being sealingly coupled to the speaker mounting structure, the lower housing fitting over an exterior side of the speaker mounting structure and coupled to the upper housing.

4. The acoustic enclosure according to claim 2, wherein the lower case is formed with a sound emitting hole, and a sound emitting portion of the speaker provided in the speaker mounting structure is provided toward the lower case.

5. The sound box according to claim 4, wherein a plurality of grooves are formed on the lower casing along a circumferential direction, and the sound outlet holes are formed at least in part on a bottom wall of the grooves.

6. The acoustic enclosure of claim 2, further comprising: the upper end of the upper shell is sunken to form an installation groove, the upper cover is fixed with the upper end joint of the upper shell, and the main control board is arranged in the installation groove and is located between the upper cover and the installation groove.

7. The sound box according to claim 6, wherein the main control board is provided with an infrared remote control lamp, at least a portion of the upper cover is configured as an infrared transparent cover, and the infrared remote control lamp is disposed toward the infrared transparent cover.

8. An acoustic enclosure according to claim 7, wherein the infrared-transparent cover is configured as a control button that is movable up and down relative to the upper housing.

9. The acoustic enclosure of claim 2, further comprising: the stabilizing pad is fixedly connected with the sound box shell in a clamping mode.

10. The sound box according to claim 9, wherein the lower end of the lower housing is recessed toward the upper housing to form a fitting groove, and a fitting protrusion is formed on the stabilizing pad and connected with the fitting groove in an interference fit manner.