CN215734701U

CN215734701U - Sound box

Info

Publication number: CN215734701U
Application number: CN202122162716.XU
Authority: CN
Inventors: 赵昭轩; 杨航
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-01
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a sound box, which belongs to the technical field of speakers and comprises a support component, a high pitch component, a middle and high pitch component and a low pitch component, wherein the high pitch component and the middle and high pitch component are arranged at one end of the support component, the high pitch component and the middle and high pitch component comprise a first horn cavity, a first horn single body fixedly arranged in the first horn cavity and a sound cone fixedly arranged in the first horn cavity, and the sound cone and the first horn single body are arranged oppositely; the bass component is arranged at the other end of the supporting component and comprises a second loudspeaker cavity, a second loudspeaker single body and a passive radiation diaphragm arranged in the second loudspeaker cavity; the treble or mid-treble component is positioned higher than the bass component. The sound box provided by the utility model can generate a surrounding sound field, has better directivity, and enables listeners to hear sound with high-quality sound effect and uniform and balanced sound quality in any corner and all directions of a room.

Description

Sound box

Technical Field

The utility model relates to the technical field of loudspeakers, in particular to a sound box.

Background

At present, the directivity of the sound box is poor, so when in actual use, listeners are required to sit at the 'emperor position', namely the golden position, best to hear the best sound effect. For example, the listener can feel better sound effect by sitting in front of the sound outlet of the sound box, and the listener located behind or beside the sound box can not receive better sound effect, so that the sound box in the prior art has poor sound effect, and the requirement that multiple listeners located at different positions can receive better sound effect can not be met. In addition, in life, a sound box is needed, which can be placed in the center of a room, but can hear uniform and balanced sound quality in all directions of the room, and is not limited to one direction of the room.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sound box which can generate a surrounding sound field and has better directivity, so that a listener can hear sound with high-quality sound effect and uniformly balanced sound quality in any corner and all directions of a room.

As the conception, the technical scheme adopted by the utility model is as follows:

an acoustic enclosure, comprising:

a support assembly;

the high pitch or middle high pitch assembly is arranged at one end of the supporting assembly and comprises a first horn cavity, a first horn single body fixedly arranged in the first horn cavity and a sound cone fixedly arranged in the first horn cavity, and the sound cone is opposite to the first horn single body;

the bass component is arranged at the other end of the supporting component and comprises a second loudspeaker cavity, a second loudspeaker single body and a passive radiation diaphragm arranged in the second loudspeaker cavity;

the treble or mid-treble component is positioned higher than the bass component.

Optionally, the treble or mid-treble assembly is rotatably disposed at one end of the support assembly.

Optionally, the supporting component includes a bottom plate and a supporting member and a supporting seat respectively fixedly disposed on the bottom plate, the high pitch or middle pitch component is disposed on the supporting member, and the bass component is disposed on the supporting seat.

Optionally, the support member includes two support columns disposed oppositely, one side of the first horn cavity is connected to one of the support columns, and the other side of the first horn cavity is connected to the other support column.

Optionally, the supporting seat includes two oppositely disposed supporting plates, each of the supporting plates has a V-shaped supporting portion formed by a first inclined surface and a second inclined surface connected to the first inclined surface, and the bass assembly is located on two of the V-shaped supporting portions.

Optionally, the inner surface of the first horn chamber is provided with a sound absorbing structure.

Optionally, the high pitch or middle pitch subassembly still includes the apron, the cover plate connect in the one end of first loudspeaker cavity, and with first loudspeaker cavity interval sets up, the sound awl set firmly in the orientation first loudspeaker is free one side of apron.

Optionally, the first horn unit is disposed at one end of the first horn cavity, and the orthographic projection of the sound cone at one end of the first horn cavity covers the first horn unit.

Optionally, the diameter of the first horn unit is 45-50 mm, and the effective frequency range of the first horn unit is 250-20 KHz;

the diameter of the second loudspeaker monomer is 90-95 millimeters, and the effective frequency range of the second loudspeaker monomer is 90-4000 Hz.

Optionally, two passive radiation diaphragms are arranged, and the two passive radiation diaphragms are arranged on the side wall of the second horn cavity in an opposite manner.

The utility model has at least the following beneficial effects:

according to the loudspeaker box provided by the utility model, the high pitch or middle high pitch component is arranged at one end of the supporting component, the low pitch component is arranged at the other end of the supporting component, the high pitch or middle high pitch component is provided with the sound cone which is arranged opposite to the first loudspeaker monomer, the low pitch component is provided with the passive radiation vibrating diaphragm, and the position of the high pitch or middle high pitch component is higher than that of the low pitch component, so that a surrounding sound field can be generated by the combination of the high pitch or middle high pitch component and the low pitch component, the surrounding effect of the loudspeaker box is improved, and meanwhile, the loudspeaker box has good directivity, and a listener can hear sound with high-quality sound effect and uniform and balanced sound quality in any corner and all directions of a room.

Drawings

Fig. 1 is a schematic structural diagram of a sound box provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a treble or mid-treble assembly provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a bass assembly provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a support assembly according to an embodiment of the present invention.

In the figure:

1. a support assembly; 11. a base plate; 12. a support member; 121. a support pillar; 1211. a splint; 13. a supporting seat; 131. a support plate; 1311. a first inclined plane; 1312. a second inclined plane; 14. a connecting plate;

2. a high pitch or mid-high pitch component; 21. a first horn chamber; 22. a first horn unit; 23. a sound cone; 24. a cover plate; 241. a first side surface; 25. a pillar structure;

3. a bass component; 31. a second horn cavity; 32. a second horn unit; 33. passively radiating the diaphragm.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment provides a sound box capable of generating a surround sound field with a good directivity, so that a listener can hear sound with high quality sound effect and uniformly balanced sound quality in any corner and all directions of a room.

As shown in fig. 1, the sound box includes a support member 1, and a high pitch or middle pitch component 2 and a bass component 3 respectively disposed on the support member 1.

The supporting component 1 can be a supporting frame and the like, the supporting component 1 is provided with one opposite end and the other opposite end, the height of one end of the supporting component 1 is larger than that of the other end, namely, when the supporting component 1 is placed on a horizontal plane, the distance between one end of the supporting component 1 and the horizontal plane is larger than that between the other end of the supporting component 1 and the horizontal plane.

The treble or mid-treble assembly 2 is adapted to emit treble or mid-treble, i.e. the treble or mid-treble assembly 2 is capable of generating high or mid-high frequency energy. And, a treble or middle treble module 2 is provided at one end of the support module 1. In some embodiments, the height of the treble or mid-treble component 2 is the same as the height of the listener's ear, i.e. the treble or mid-treble component 2 is located on the same horizontal plane as the listener's ear.

Specifically, as shown in fig. 2, the treble or mid-treble assembly 2 includes a first horn cavity 21, a first horn unit 22, and a cone 23. The first speaker unit 22 is fixedly disposed in the first speaker cavity 21, and specifically, the first speaker unit 22 can extend into the first speaker cavity 21. The first horn unit 22 is used to emit sound. The sound cone 23 is fixedly arranged in the first speaker cavity 21, the sound cone 23 is arranged opposite to the first speaker unit 22, and the sound cone 23 is used for improving the dispersibility of the sound emitted by the first speaker unit 22. The first horn unit 22 has a concentrated directivity, and thus, the sound cone 23 is provided to make the first horn unit 22 have a relatively strong dispersion, thereby ensuring that the high-frequency or medium-high-frequency energy is uniformly distributed at each position or each corner of the room. In some embodiments, the first horn cavity 21 is filled with a filler.

The bass assembly 3 is used to emit bass, i.e. the bass assembly 3 is capable of generating low frequency energy. And, the bass assembly 3 is disposed at the other end of the support assembly 1, that is, the treble or mid-treble assembly 2 is located higher than the bass assembly 3. Since the bass signal emitted from the bass unit 3 has a longer wavelength, the directivity distribution is more uniform, and the low-frequency energy distribution at each position or each corner of the room is more uniform, and therefore, the position requirement of the bass unit 3 is lower.

Specifically, as shown in fig. 3, the bass assembly 3 includes a second speaker cavity 31, a second speaker unit 32, and a passive radiation diaphragm 33 disposed in the second speaker cavity 31. The second speaker unit 32 is disposed on the second speaker cavity 31, and the passive radiation diaphragm 33 can further improve the bass tone quality.

The audio amplifier that this embodiment provided, one end at supporting component 1 sets up high pitch or middle high pitch subassembly 2, other end at supporting component 1 sets up bass subassembly 3, high pitch or middle high pitch subassembly 2 has the sound cone 23 with first loudspeaker monomer 22 relative setting, bass subassembly 3 has passive radiation vibrating diaphragm 33, the position of high pitch or middle high pitch subassembly 2 is higher than the position of bass subassembly 3, make high pitch or middle high pitch subassembly 2 and bass subassembly 3 can produce the surround sound field, the surround effect of audio amplifier has been promoted, has better directionality simultaneously, make the listener in any corner in room, all directions can both hear the sound and the tone quality of unified equilibrium of hi-pitch.

In this embodiment, the inner surface of the first horn chamber 21 is provided with a sound absorbing structure to prevent standing waves from occurring inside the first horn chamber 21. Optionally, the sound absorbing structure is affixed to the inner surface of the first horn chamber 21 and includes, but is not limited to, foam.

Optionally, as shown in fig. 2, the treble or middle treble module 2 further includes a cover plate 24, the cover plate 24 is connected to one end of the first horn cavity 21 and spaced apart from the first horn cavity 21, and the cone 23 is fixedly disposed on a bottom surface of the cover plate 24. Specifically, the sound cone 23 is fixedly disposed on a side of the cover plate 24 facing the first speaker unit 22.

Further, the first speaker unit 22 is disposed at one end of the first speaker cavity 21, and an orthographic projection of the sound cone 23 at one end of the first speaker cavity 21 covers the first speaker unit 22. Preferably, the width of the sound cone 23 is the same as the diameter of the first speaker unit 22 so that the sound emitted from the first speaker unit 22 can be well dispersed. In the present embodiment, the cross-sectional shape of the first horn cavity 21 is composed of a rectangle and a semicircle, that is, the shape of the first horn cavity 21 is similar to a semicircle so as to be able to be conveniently installed on the support assembly 1.

In some embodiments, the diameter of the first horn unit 22 is 45 to 50 mm, the effective frequency range of the first horn unit 22 is 250 to 20KHz, and the Qts value of the first horn unit 22 is 1.05, wherein the Qts value is the total quality factor (or referred to as total damping) of the first horn unit 22 at the resonant frequency. The first horn cavity 21 is made of acrylonitrile-butadiene-styrene plastic, the wall thickness is 2.5 mm, the sound cone 23 has a cone tip, the distance between the cone tip of the sound cone 23 and the cover plate 24 is 10 mm, the sound cone 23 is made of acrylonitrile-butadiene-styrene plastic, the distance between the cover plate 24 and the end face of one end of the first horn cavity 21 is 12.5 mm, and in some embodiments, the sound cone 23 is connected to the first horn cavity 21 through a pillar structure 25.

Optionally, as shown in fig. 1, the cover plate 24 has a plurality of sides, where the plurality of sides includes at least one first side 241, and the first side 241 is a circular arc surface, so as to obtain a better sound quality effect. In some embodiments, first side 241 is a circular arc surface that is convex outward relative to cover plate 24.

The second horn chamber 31 is made of abs plastic, and the wall thickness of the second horn chamber 31 is 3 mm. The outer edge of the second horn chamber 31 has two protruding screw holes to facilitate fixing the second horn chamber 31 to the support member 1. The diameter of the second horn unit 32 is 90-95 mm, the effective frequency range of the second horn unit 32 is 90-4000 Hz, and the total quality factor (Qts) of the second horn unit 32 is 0.45.

Optionally, as shown in fig. 3, two passive radiation diaphragms 33 are provided, two passive radiation diaphragms 33 are oppositely disposed on the sidewall of the second horn cavity 31, and parameters of the two passive radiation diaphragms 33 are the same. The two passive radiating diaphragms 33 are also referred to as symmetrical passive radiating diaphragms. The area of single passive radiation vibrating diaphragm 33 is 77 square centimeters, can increase the area of radiation and the resonant effect of air through setting up two passive radiation vibrating diaphragms 33, makes things convenient for audio amplifier volume production equipment and audio amplifier quality control, further promotes the tone quality of bass.

Optionally, in this embodiment, the high-pitch or mid-high-pitch assembly 2 is rotatably disposed at one end of the support assembly 1, that is, the high-pitch or mid-high-pitch assembly 2 is rotatably connected to one end of the support assembly 1, so that the angle of the high-pitch or mid-high-pitch assembly 2 relative to the support assembly 1 is adjustable, and a better angle listening effect is achieved.

Alternatively, the specific structure of the support assembly 1 may be various, and the present embodiment provides the following support assembly 1.

As shown in fig. 1, the supporting assembly 1 includes a bottom plate 11, and a supporting member 12 and a supporting seat 13 respectively fixed on the bottom plate 11. Optionally, the support 12 is spaced from the support base 13. Wherein, the height of support 12 is greater than the height of supporting seat 13, and high pitch or middle high pitch subassembly 2 sets up on the top of support 12, and bass subassembly 3 sets up on supporting seat 13. Optionally, the material of the support member 1 is wood or steel.

Further, referring to fig. 4, the supporting member 12 includes two supporting columns 121 disposed oppositely, and the two supporting columns 121 are respectively fixed on the bottom plate 11. One side of the first horn cavity 21 is connected to one of the supporting posts 121, and the other side of the first horn cavity 21 is connected to another one of the supporting posts 121, specifically, one side of the first horn cavity 21 is rotatably connected to one of the supporting posts 121, and the other side of the first horn cavity 21 is connected to another one of the supporting posts 121, so that the first horn cavity 21 can be rotatably supported on the two supporting posts 121. Optionally, a clamping plate 1211 is disposed at the top end of each supporting column 121, and the first horn chamber 21 is rotatably connected to the clamping plate 1211 through a rotating shaft or a screw. Optionally, a gap exists between the supporting column 121 and the bottom plate 11 for placing a circuit board of the sound box, so as to fully utilize the free space of the sound box.

Optionally, with continued reference to fig. 4, the supporting seat 13 includes two supporting plates 131 disposed oppositely, and the two supporting plates 131 are respectively fixed on the bottom plate 11. Furthermore, each support plate 131 has a V-shaped support portion formed by a first inclined surface 1311 and a second inclined surface 1312 connected to the first inclined surface 1311, that is, the first inclined surface 1311 and the second inclined surface 1312 are disposed at an included angle, and the distance between the two support plates 131 is smaller than the cross-sectional dimension of the second horn cavity 31 of the bass component 3. Moreover, as shown in fig. 1, the bass assembly 3 is located on two V-shaped supporting portions, that is, the second speaker cavity 31 of the bass assembly 3 is supported on two first inclined surfaces 1311 and two second inclined surfaces 1312, so as to provide better bass effect, and by being disposed on the inclined surfaces, the height of the bass assembly 3 is increased, and the space at the lower portion is utilized to reduce the comb filtering effect of bass, and at the same time, the first inclined surfaces 1311 and the second inclined surfaces 1312 are prevented from blocking sound, and the vibration of the whole loudspeaker box is favorably reduced.

Optionally, two support plates 131 correspond to two support columns 121 one by one, and each support plate 131 is connected to its corresponding support column 121 through one connecting plate 14, so as to improve the stability of the support column 121. Illustratively, the side of the support column 121 has a protrusion, and the connection plate 14 is connected to the protrusion.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the utility model, which changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An acoustic enclosure, comprising:

a support assembly (1);

the high pitch or middle pitch assembly (2) is arranged at one end of the supporting assembly (1), the high pitch or middle pitch assembly (2) comprises a first horn cavity (21), a first horn single body (22) fixedly arranged in the first horn cavity (21) and a pitch cone (23) fixedly arranged in the first horn cavity (21), and the pitch cone (23) is opposite to the first horn single body (22);

the bass component (3) is arranged at the other end of the supporting component (1), and the bass component (3) comprises a second loudspeaker cavity (31), a second loudspeaker single body (32) and a passive radiation diaphragm (33) arranged in the second loudspeaker cavity (31);

the treble or mid-treble component (2) is located higher than the bass component (3).

2. An acoustic enclosure as claimed in claim 1, characterised in that the treble or mid-treble member (2) is rotatably arranged at one end of the support member (1).

3. An acoustic enclosure as claimed in claim 1 or 2, characterised in that the support member (1) comprises a base plate (11) and a support member (12) and a support base (13) secured to the base plate (11), respectively, the treble or alto member (2) being disposed on the support member (12) and the bass member (3) being disposed on the support base (13).

4. An acoustic enclosure according to claim 3, wherein the support (12) comprises two oppositely disposed support posts (121), one side of the first horn chamber (21) being connected to one of the support posts (121) and the other side of the first horn chamber (21) being connected to the other support post (121).

5. A sound box according to claim 3, characterized in that the support base (13) comprises two oppositely arranged support plates (131), each support plate (131) having a V-shaped support formed by a first inclined surface (1311) and a second inclined surface (1312) connected to the first inclined surface (1311), the bass assembly (3) being located on both of the V-shaped supports.

6. An acoustic enclosure according to claim 1, characterised in that the inner surface of the first horn chamber (21) is provided with sound absorbing structures.

7. An acoustic enclosure as claimed in claim 1, characterised in that the treble or alto component (2) further comprises a cover plate (24), the cover plate (24) being connected to one end of the first horn chamber (21) and being spaced from the first horn chamber (21), the cone (23) being fixedly arranged on the side of the cover plate (24) facing the first horn unit (22).

8. An acoustic enclosure according to claim 7, wherein the first horn unit (22) is arranged at one end of the first horn cavity (21), and an orthographic projection of the cone (23) at one end of the first horn cavity (21) covers the first horn unit (22).

9. An acoustic enclosure according to claim 1, wherein the diameter of the first horn unit (22) is 45-50 mm, and the effective frequency range of the first horn unit (22) is 250-20 KHz;

the diameter of the second horn unit (32) is 90-95 mm, and the effective frequency range of the second horn unit (32) is 90-4000 Hz.

10. An acoustic enclosure as claimed in claim 1, characterised in that two passive radiating diaphragms (33) are provided, the two passive radiating diaphragms (33) being arranged opposite to a side wall of the second horn chamber (31).