Bass enhancement sound box and sound system

Abstract

The utility model discloses a bass enhancement sound box and a sound system, comprising a housing and a sounding unit, the housing comprises a front cover plate and a rear cover plate, the front cover plate and the rear cover plate are buckled to form a sound box cavity, the rear cover plate is provided with an installation groove, the front cover plate is provided with an installation hole, the sounding unit is provided with a sounding end and an installation end, the installation end is arranged in the installation groove, and the installation hole is arranged in the installation groove. The sounding ends face the mounting holes, an air pipe groove is further formed in the end, away from the front cover plate, of the rear cover plate, and the sounding units are arranged on the two sides of the air pipe groove and over the air pipe groove. The air duct groove is formed in the rear cover plate and is communicated with the cavity, so that the sound of low-frequency radiation is enhanced, the bass effect of the whole sound box is enhanced, the lower limit frequency of bass is improved, and the purposes of expanding the bandwidth of the sound box and improving the tone quality are achieved; and the sound production units are respectively arranged on two sides and above the air duct groove, so that the air duct groove arranged right below each sound production unit is reduced, and the volume of the sound box is reduced.

Description

Technical Field

[0001] The utility model relates to the field of acoustics, and in particular to a bass enhancement speaker and a sound system. Background Art

[0002] The audio system includes power amplifiers, speakers, microphones and other equipment. The speakers, as the terminal of the audio system, convert electrical signals into sound signals and radiate the sound signals into space.

[0003] A subwoofer is primarily composed of a sound box cavity and a woofer. The woofer is the primary component of a subwoofer, and the performance of the woofer determines the sound quality of the subwoofer. Existing woofers are housed in sealed sound box cavities. Because the cavity is sealed, it resonates with the woofer. When the woofer vibrates, it compresses the air within the cavity. This air, in turn, acts as a buffer for the woofer's vibrations, weakening the peaks of the bass frequencies and improving the quality of the treble. However, this compression reduces the peaks of the bass frequencies, resulting in insufficient bass intensity and penetration, making the sound quality muffled. It also prevents the bass from dispersing, reducing its volume.

[0004] like Figure 1 As shown, the existing solution is to install a bass reflex port 2 directly below each woofer 1 to enhance the bass intensity and diffuse the bass, extending the bass transmission range. However, installing a bass reflex port 2 directly below each woofer increases the size of the woofer enclosure, making it difficult to transport and assemble the enclosure. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides a bass enhancement speaker and sound system.

[0006] The purpose of this utility model is achieved through the following solutions:

[0007] A bass enhancement speaker includes: a shell and a sound unit, the shell includes a front cover and a rear cover, the front cover and the rear cover are buckled together to form a speaker cavity, the rear cover is provided with a mounting groove, the front cover is provided with a mounting hole, the sound unit has a sound end and a mounting end, the mounting end is provided in the mounting groove, the sound end is directly opposite the mounting hole, an air duct groove is further provided on the end of the rear cover away from the front cover, and the sound unit is provided on both sides of and directly above the air duct groove.

[0008] In one embodiment, the air duct groove is a "U"-shaped air duct groove, one end of the air duct groove extends into the speaker cavity, and the other end is arranged on the back cover. The air duct groove is arranged along the length direction of the back cover, and the sound unit is arranged above and on both sides of the air duct groove.

[0009] In one embodiment, the sound unit includes at least one bass part and at least one treble part, the at least one bass part is arranged on at least one side of the air duct groove, and the at least one treble part is arranged directly above the air duct groove.

[0010] In one embodiment, the two or more sound-emitting units include two bass parts and a treble part, the two bass parts are respectively arranged on both sides of the air duct groove, and the treble part is arranged above the air duct groove.

[0011] In one embodiment, a connection port is further included, and a port slot is further provided on the air duct slot, and the connection port is provided on the port slot.

[0012] In one embodiment, each bass part is provided with a paper cone, a first voice coil, a first damper and a first shielding plate in sequence from the height direction. The first voice coil is also provided with a connecting end, which is electrically connected to the connecting port.

[0013] In one embodiment, the tweeter is provided with a diffusion cover, a diaphragm, a second voice coil, a second damper and a second shielding plate in sequence from the height direction. The second shielding plate is also provided with connecting pins, which are electrically connected to the connecting port.

[0014] In one embodiment, a plurality of first connection holes are provided on a side of the rear cover away from the front cover, and a plurality of second connection holes are provided on an end face where the front cover and the rear cover are connected, wherein each first connection hole is arranged opposite to each second connection hole.

[0015] In one embodiment, a dust cover is further provided on the rear cover plate.

[0016] A sound system comprises the above-mentioned bass enhancement speaker.

[0017] Compared with the prior art, the present invention has at least the following advantages:

[0018] A bass enhancement speaker of the present invention has an air duct groove opened on the rear cover, and a through design is formed between the air duct groove and the cavity to enhance the sound of low-frequency radiation and enhance the bass effect of the entire speaker, while improving the lower limit frequency of the bass, so as to achieve the purpose of expanding the bandwidth of the speaker and improving the sound quality. At the same time, the air duct groove is set on the rear cover, and the sound units are respectively arranged on both sides and above the air duct groove, thereby reducing the need to set the air duct groove directly below each sound unit, thereby reducing the volume of the speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 Set up the duct slot just below the existing woofer;

[0021] Figure 2 This is a front view of the bass enhancement speaker of the utility model;

[0022] Figure 3 This is the rear view of the bass enhancement speaker of the utility model;

[0023] Figure 4 This is an exploded diagram of the bass enhancement speaker of the utility model;

[0024] Figure 5 This is a cross-sectional view of the bass enhancement speaker of the utility model;

[0025] Figure 6 for Figure 2 Cross-sectional view of the bass and treble parts;

[0026] Figure 7 for Figure 2 Exploded rear view;

[0027] The accompanying drawings are marked as follows: 1. woofer; 2. bass reflex tube;

[0028] 3. Housing; 31. Front cover; 311. Mounting hole; 312. Second connection hole; 32. Rear cover; 321. Mounting slot; 322. Duct slot; 3221. Port slot; 323. First connection hole; 324. Dust cover;

[0029] 4. Sound unit; 41. Sounding end; 42. Mounting end; 43. Bass unit; 431. Paper cone; 432. First voice coil; 4321. Connecting end; 433. First damper; 434. First shielding plate;

[0030] 44. Treble section; 441. Diffuser; 442. Diaphragm; 443. Second voice coil; 444. Second damper; 445. Second shielding plate; 4451. Connecting pins;

[0031] 5. Speaker cavity; 6. Connection port. DETAILED DESCRIPTION

[0032] The following diagrams illustrate various embodiments of the present invention. For clarity, many practical details will be included in the following description. However, it should be understood that these practical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not essential. Furthermore, to simplify the drawings, some commonly used structures and components are depicted in simplified schematic form.

[0033] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, in the present invention, descriptions such as "first" and "second" are only used for descriptive purposes and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0035] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings:

[0036] like Figure 2 As shown, the present invention provides a bass enhancement speaker, comprising: a shell 3 and a sound unit 4, wherein the shell 3 is used to install the sound unit 4. The sound unit 4 serves as a sound element of the bass enhancement speaker, which can convert electrical signals into sound signals and radiate them into space.

[0037] Specifically, if Figure 2As shown, the housing 3 includes a front cover 31 and a rear cover 32. The front cover 31 and the rear cover 32 are fastened together to form a speaker cavity 5. The front cover 31 is provided with a mounting hole 311, and the rear cover 32 is provided with a mounting groove 321. The sound unit 4 includes a sounding end 41 and a mounting end 42, wherein the sounding end 41 is opposite to the mounting hole 311, and the mounting end 42 of the sound unit 4 is arranged in the mounting groove 321, so that the sound unit 4 is located in the speaker cavity 5. The sound unit 4 can resonate with the speaker cavity 5 to improve the sound quality of high frequencies. The sound emitted by the sound unit 4 radiates outward through the mounting hole 311. At the same time, when the sound unit 4 is fixed in the mounting groove 321, it is effectively prevented from shifting during sound vibration.

[0038] Furthermore, if Figure 3 and Figure 5 As shown, a duct groove 122 is further provided on a side of the rear cover plate 12 away from the front cover plate 11 , and the sound generating unit 4 is provided on both sides and directly above the duct groove 322 .

[0039] Specifically, if Figure 3 、 Figure 4 and Figure 5 As shown, the air duct groove 322 is U-shaped. Once the front cover 31 and rear cover 32 are fastened together, the air duct groove 322 is positioned within the speaker cavity 3. The air duct groove 322 runs along the length of the rear cover 32, and the sound unit 4 is positioned above and on both sides of the air duct groove 122. As a result, the air within the speaker cavity 5, squeezed by the vibration of the sound unit 4, is expelled out of the speaker cavity 5 through the air duct groove 122 within the speaker cavity 5. This eliminates the need for an air duct groove 322 directly below the mounting end 42 of the sound unit 4, further reducing the size of the bass boost speaker.

[0040] Specifically, if Figure 2 and Figure 4 As shown, the sound unit 4 includes at least one bass section 43 and one treble section 44. The at least one bass section 43 is positioned on one side of the air duct slot 122, while the at least one treble unit 22 is positioned directly above the air duct slot 322. Thus, the placement of the bass sections 43 on both sides of the air duct slot 322 facilitates the discharge of air resonating with the speaker cavity 5 from the air duct slot 322. In this embodiment, two bass sections 43 are provided, and one treble section 44 is provided.

[0041] Furthermore, if Figure 4 As shown, the bass enhancement speaker further includes a connection port 6, wherein the air duct slot 322 is further provided with a port slot 3221, and the connection port 6 is provided on the port slot 3221. The connection port 6 is used to connect to a power source when the bass enhancement speaker is working, and the power source supplies power to the bass enhancement speaker through the connection port 6.

[0042] Furthermore, each bass section 43 is provided with a paper cone 431, a first voice coil 432, a first damper 433, and a first shielding plate 434 in order from the height direction. The first voice coil 432 is also provided with a connecting end 4321, which is electrically connected to the connecting port 6. The connecting end 4321 on the first voice coil 432 is electrically connected to the connecting port 6. When the bass boost speaker is in operation, the connecting port 6 is electrically connected to an external power supply, which energizes the first voice coil 432 through the connecting port 6. As a result, the coil inside the first voice coil 432 is energized to generate a magnetic field, and the magnetic field interacts with the magnet on the first voice coil 432 to generate a mechanical force to drive the paper cone 431 to vibrate, thereby making a sound; the first damper 433 is used to prevent excessive vibration of the first voice coil 432, thereby avoiding damage to the first voice coil 432; when the bass part 43 is working, the current will pass through the bass part 43 to generate a magnetic field and generate electromagnetic waves. The electromagnetic waves generated inside the bass part 43 overlap with the surrounding electromagnetic waves, resulting in noise interference at the bass frequency. Therefore, the first shielding plate 434 is used to isolate the electromagnetic waves generated inside the bass part 43 from external electromagnetic waves, thereby reducing interference with the bass frequency and ensuring the normal operation of the bass enhancement speaker.

[0043] Furthermore, if Figure 6 As shown, the tweeter 44 is provided with a diffuser 441, a diaphragm 442, a second voice coil 443, a second damper 444, and a second shielding plate 445, arranged in order from the height direction. The second shielding plate 445 is also provided with a connecting pin 4451, which is electrically connected to the connection port 6. It should be noted that the diaphragm 442 is used to improve the sound quality of the treble and reduce distortion. The diffuser 441 helps to better diffuse the treble to the outside space and protects the diaphragm 442. The second voice coil 443, second damper 444, and second shielding plate 445 have the same functions as the first voice coil 432, first damper 433, and first shielding plate 434, and will not be further described here.

[0044] Furthermore, if Figure 7 As shown, a plurality of first connection holes 323 are provided on the side of the rear cover plate 32 away from the front cover plate 31, and a plurality of second connection holes 312 are provided on the end surface where the front cover plate 31 and the rear cover plate 32 are connected. Each first connection hole 323 is directly opposite each second connection hole 312. Therefore, in this example, bolts can be used through the first connection holes 323 and the second connection holes 312 to secure the front cover plate 31 and the rear cover plate 32, preventing them from falling off.

[0045] Preferably, a dust cover 324 is further provided on the rear cover plate 32. The dust cover 324 can prevent external dust and other pollutants from entering the speaker cavity 5 through the air duct groove 322, thereby preventing damage to components such as the bass part 43 and the treble part 44.

[0046] In summary, the bass enhancement speaker of the present invention is provided with a "U"-shaped air duct groove 322, so that one end of the air duct groove 322 extends into the speaker cavity 5 and the other end is connected to the outside. At the same time, the bass parts 43 are respectively provided on both sides of the air duct groove 322, and the air duct groove 322 is arranged along the length direction of the rear cover 32. This allows the air squeezed by the bass part 43 in the speaker cavity 5 to be discharged through the air duct groove 322, thereby improving the intensity and volume of the bass. In addition, the air duct groove 322 is arranged along the length direction of the rear cover 32, with one end of the air duct groove 322 extending into the speaker cavity 5 and the other end being connected to the outside, so that a channel is formed between the interior of the speaker cavity 5 and the outside, thereby eliminating the need to provide an air duct groove 322 directly below each bass part 43 to discharge air, thereby reducing the volume of the bass enhancement speaker.

[0047] The above is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of the claims of the present invention.

Claims

1. A bass enhancement speaker, characterized in that: include: A shell (3) and a sound-emitting unit (4), wherein the shell (3) comprises a front cover (31) and a rear cover (32), wherein the front cover (31) and the rear cover (32) are buckled together to form a speaker cavity (5), wherein the rear cover (32) is provided with a mounting groove (321), and the front cover (31) is provided with a mounting hole (311), wherein the sound-emitting unit (4) has a sound-emitting end (41) and a mounting end (42), wherein the mounting end (42) is arranged in the mounting groove (321), and the sound-emitting end (41) is directly opposite to the mounting hole (311), and an air duct groove (322) is further provided on one end of the rear cover (32) away from the front cover (31), and the sound-emitting unit (4) is arranged on both sides of and directly above the air duct groove (322).

2. The bass enhancement speaker according to claim 1, characterized in that: The air duct groove (322) is a "U"-shaped air duct groove (322), one end of the air duct groove (322) extends into the speaker cavity (5), and the other end is arranged on the rear cover (32), the air duct groove (322) is arranged along the length direction of the rear cover (32), and the sound-generating unit (4) is arranged above and on both sides of the air duct groove (322).

3. The bass enhancement speaker according to claim 2, characterized in that: The sound-generating unit (4) includes at least one bass part (43) and at least one treble part (44), wherein the at least one bass part (43) is arranged on at least one side of the air duct groove (322), and the at least one treble part (44) is arranged directly above the air duct groove (322).

4. The bass enhancement speaker according to claim 2, characterized in that: The sound-generating unit (4) includes two bass parts (43) and a treble part (44), the two bass parts (43) are respectively arranged on both sides of the air duct groove (322), and the treble part (44) is arranged above the air duct groove (322).

5. The bass enhancement speaker according to claim 1, characterized in that: It also includes a connection port (6), and the air duct slot (322) is further provided with a port slot (3221), and the connection port (6) is provided on the port slot (3221).

6. A bass enhancement speaker according to any one of claims 3-4, characterized in that: Each bass part (43) is provided with a paper cone (431), a first voice coil (432), a first damper (433) and a first shielding plate (434) in sequence from the height direction; the first voice coil (432) is also provided with a connecting end (4321), and the connecting end (4321) is electrically connected to the connecting port (6).

7. A bass enhancement speaker according to any one of claims 3-4, characterized in that: The tweeter (44) is provided with a diffusion cover (441), a diaphragm (442), a second voice coil (443), a second damper (444) and a second shielding plate (445) in sequence from the height direction. The second shielding plate (445) is also provided with a connecting pin (4451), and the connecting pin (4451) is electrically connected to the connecting port (6).

8. The bass enhancement speaker according to claim 1, characterized in that: A plurality of first connection holes (323) are further provided on a surface of the rear cover plate (32) away from the front cover plate (31), and a plurality of second connection holes (312) are further provided on an end surface where the front cover plate (31) and the rear cover plate (32) are connected, wherein each first connection hole (323) is respectively arranged to face each second connection hole (312).

9. The bass enhancement speaker according to claim 1, characterized in that: A dust cover (324) is also provided on the rear cover plate (32).

10. An audio system comprising a bass enhancement speaker according to any one of claims 1 to 9.

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