Sound generating device and electronic device

Abstract

The present invention relates to the technical field of audio equipment, and specifically discloses a sound-emitting device and an electronic device, comprising: a shell, a side surface of the shell is provided with a plurality of inclined side sound outlet channels, and the plurality of side sound outlet channels are sequentially arranged on the side surface in the direction from the bottom end of the shell to the top end of the shell, and the cross-sectional areas of the plurality of side sound outlet channels gradually decrease; a sound-emitting component installed in the shell, comprising a diaphragm arranged opposite to the top end of the shell, and the sound-emitting component is coaxially arranged with the shell. The present application solves the problem of unbalanced sound field in front of the sound-emitting device by providing a plurality of inclined side sound outlet channels on the side surface of the shell, so that the listener has a balanced listening experience within a range of 180° in front of the sound-emitting device, and will not feel the difference in hearing when walking from one position to another.

Description

Technical Field

[0001] The present invention relates to the technical field of audio equipment, and in particular discloses a sound-generating device and an electronic device. Background Art

[0002] Since high-frequency sound has a certain directionality, the higher the frequency, the stronger its directionality. A single-speaker speaker often has stronger high-frequency sound in the direction facing the speaker, and weaker high-frequency sound in the direction away from the speaker. This leads to differences in the sound heard in front of the speaker and to the side, such as Figure 1-2 As shown, the sound-conducting structure design of a traditional single speaker will cause listeners to hear different sounds when they are at different angles to the speaker, resulting in an unbalanced sound field in front of the speaker. Summary of the invention

[0003] The main purpose of the present invention is to provide a sound-generating device and an electronic device, aiming to solve at least one of the above-mentioned technical problems.

[0004] To achieve the above object, the first aspect of the present invention provides a sound-generating device, comprising:

[0005] A shell, wherein a plurality of inclined side sound outlet channels are provided on the side of the shell, and the plurality of side sound outlet channels are sequentially arranged on the side in a direction from the bottom end of the shell to the top end of the shell, and the cross-sectional areas of the plurality of side sound outlet channels gradually decrease;

[0006] The sound-generating component is installed in the shell and comprises a diaphragm arranged opposite to the top of the shell, and the sound-generating component is coaxially arranged with the shell.

[0007] A second aspect of the present invention provides an electronic device, comprising the sound generating device as described above.

[0008] In addition, the above-mentioned sound-generating device of the present invention may also have the following additional technical features.

[0009] According to an embodiment of the present invention, the housing is in a truncated cone structure, and the side sound outlet channel is arranged around the sound-emitting component.

[0010] According to an embodiment of the present invention, the housing is in a truncated pyramid structure, and the side sound outlet channels are located on two opposite sides of the sound-emitting component.

[0011] According to an embodiment of the present invention, a plurality of front sound outlet channels are opened on the top surface of the housing.

[0012] According to an embodiment of the present invention, the front sound outlet channel is arranged obliquely upward relative to the center line of the sound-emitting component, and the cross-sectional area of ​​the front sound outlet channel gradually increases in the direction away from the sound-emitting component.

[0013] According to one embodiment of the present invention, the side sound channel at the bottom is tilted toward the bottom of the shell, and the remaining side sound channels on the same side are tilted toward the top of the shell.

[0014] According to an embodiment of the present invention, in the direction from the bottom end of the shell to the top end of the shell, the angles between the center lines of the remaining side sound channels on the same side and the horizontal direction gradually increase, and the angles are all acute angles.

[0015] According to one embodiment of the present invention, it also includes:

[0016] The inner shell is located inside the outer shell, the top end of the inner shell is open, and the sound generating component is installed at the opening.

[0017] According to an embodiment of the present invention, the outer contour of the inner shell and the inner contour of the outer shell are adapted in shape.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present application solves the problem of unbalanced sound field in front of the sound-emitting device by opening a plurality of inclined side sound outlet channels on the side of the shell, so that the listener can have a balanced listening experience within a 180° range in front of the sound-emitting device, and will not feel the difference in hearing when walking from one position to another. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of a sound-generating device in the prior art;

[0022] Figure 2 for Figure 1 Frequency response curves of the central sound device at different angles;

[0023] Figure 3 A schematic diagram of the structure of a sound-generating device in one embodiment of the present invention;

[0024] Figure 4 It is a structural schematic diagram of a sound-generating device in another embodiment of the present invention;

[0025] Figure 5A three-dimensional diagram of a sound-generating device having a truncated cone structure according to an embodiment of the present invention;

[0026] Figure 6 A three-dimensional diagram of a sound-generating device having a truncated pyramid structure according to an embodiment of the present invention;

[0027] Figure 7 1 is a frequency response curve of the sound-emitting device at different angles in an embodiment of the present invention.

[0028] Reference numerals:

[0029] Sound-emitting device 100 , outer shell 10 , side sound outlet channel 101 , front sound outlet channel 102 , inner shell 11 , sound-emitting component 12 , and diaphragm 120 .

[0030] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] Refer to the following Figure 3-6 A sound generating device 100 according to some embodiments of the present invention is described.

[0037] like Figure 3-6 As shown, an embodiment of the present invention provides a sound-emitting device 100. Specifically, the sound-emitting device 100 can be a speaker, such as a ceiling speaker. The sound-emitting device 100 includes an outer shell 10, an inner shell 11 and a sound-emitting component 12, wherein the inner shell 11 is arranged in the outer shell 10, the inner shell 11 is a hollow structure with an opening at the top, the sound-emitting component 12 is installed at the top opening of the inner shell 11, the sound-emitting component 12 and the inner shell 11 are coaxially arranged with the outer shell 10, and the sound-emitting component 12 includes a diaphragm 120, and the diaphragm 120 is arranged opposite to the top of the outer shell 10.

[0038] It should be noted that, in the present embodiment, the outer contour of the inner shell 11 is adapted to the shape of the inner contour of the outer shell 10 . This arrangement can significantly improve the utilization rate of the storage space in the outer shell 10 .

[0039] Continue to refer to Figure 3-4 The shell 10 has a top and a bottom, and the shell 10 has a structure with a small top and a large bottom. A plurality of inclined side sound outlet channels 101 are opened on the side of the shell 10. Along the direction from the bottom of the shell 10 to the top of the shell 10, the plurality of side sound outlet channels 101 are arranged on the side in sequence, and the cross-sectional areas of the plurality of side sound outlet channels 101 gradually become smaller.

[0040] Specifically, continue to refer to Figure 5 In this embodiment, the housing 10 may be a truncated cone structure, and a plurality of side sound outlet channels 101 are arranged around the sound-emitting component 12, that is, a plurality of side sound outlet channels 101 are opened on the circumferential side of the housing 10. With such an arrangement, a balanced sound field in a three-dimensional space can be created in the lower area of ​​the sound-emitting device 100.

[0041] Continue to refer to Figure 6 In other embodiments of the present invention, the housing 10 may be a truncated pyramid structure, and the side sound outlet channels 101 are located on opposite sides of the sound-emitting component 12. In this case, the side sound outlet channels 101 are respectively opened at two waists of the truncated pyramid structure. In this way, a balanced sound field can be formed within a range of 180° in front of the sound-emitting device 100, and the audience has a consistent listening experience in this area, thereby improving the music appreciation experience.

[0042] In the above two embodiments, continue to refer to Figure 3-4 , along the direction from the bottom end of the housing 10 to the top end of the housing 10, the distances between the plurality of side sound outlet channels 101 and the central axis of the housing 10 gradually decrease. That is, the closer the side sound outlet channel 101 is to the central axis of the housing 10, the smaller the cross-sectional area, and the farther the side sound outlet channel 101 is from the central axis of the housing 10, the larger the cross-sectional area. With this arrangement, high-frequency sounds at different angles can be suppressed to different degrees, and the farthest side sound outlet channel 101 has the largest opening, minimizing the suppression of high frequencies.

[0043] Further, continue to refer to Figure 4 , a plurality of front sound outlet channels 102 are provided on the top surface of the housing 10. Specifically, the front sound outlet channels 102 are arranged obliquely upward relative to the center line of the sound-emitting component 12, and the cross-sectional area of ​​the front sound outlet channels 102 gradually increases in the direction away from the sound-emitting component 12. The front sound outlet channels 102 are located directly in front of the sound-emitting component 12, and are used to control the loudness of high-frequency sounds in the area directly in front, and suppress the high-frequency sounds in this range to be basically consistent with the side sound outlet channels 101, so as to achieve the purpose of sound field balance.

[0044] It is worth mentioning that the opening of the front sound outlet channel 102 is relatively small, and the front sound outlet channel 102 can even be eliminated. The specific size depends on the high-frequency performance of the speaker. It should be noted that the larger the opening of the front sound outlet channel 102, the less the suppression of the high-frequency sound directed to the front, and the smaller the opening, the greater the suppression of the high-frequency sound directed to the front. When it is completely eliminated, the suppression of the high-frequency performance of the speaker reaches the strongest.

[0045] Continue to refer to Figure 3-4, four side sound outlet channels 101 are arranged on the side of the housing 10. For the convenience of description, along the direction from the bottom to the top of the housing 10, the four side sound outlet channels 101 are respectively defined as the first side sound outlet channel, the second side sound outlet channel, the third side sound outlet channel and the fourth side sound outlet channel, wherein the first side sound outlet channel is the bottommost side sound outlet channel, and is arranged obliquely toward the bottom of the housing 10, that is, the first side sound outlet channel is arranged in an obliquely downward direction, and the second side sound outlet channel, the third side sound outlet channel and the fourth side sound outlet channel are all arranged obliquely toward the top of the housing 10. In other words, the second side sound outlet channel, the third side sound outlet channel and the fourth side sound outlet channel are arranged in an obliquely upward direction.

[0046] Continue to refer to Figure 3-4 , along the direction from the bottom end of the shell 10 to the top end of the shell 10, the angles between the center lines of the second side sound outlet channel, the third side sound outlet channel and the fourth side sound outlet channel and the horizontal direction gradually increase, and the angles are all acute angles. Specifically, the size of the angle between the center lines of the second side sound outlet channel, the third side sound outlet channel and the fourth side sound outlet channel and the horizontal direction affects the sound output direction of the second side sound outlet channel, the third side sound outlet channel and the fourth side sound outlet channel. In this way, the second side sound outlet channel, the third side sound outlet channel and the fourth side sound outlet channel are arranged in different inclination directions, so that the sound-emitting device 100 can create a balanced sound field in the horizontal direction or in a three-dimensional space.

[0047] It should be noted that the inclination angle of the side sound channel 101 can be adjusted, and different angles can be designed according to the size of the space in which the sound-emitting device is designed to be used. The larger the angle formed by the first side sound channel and the axis of the outer shell 10, the larger the balanced sound field area formed, and the larger the applicable space; otherwise, the smaller it is.

[0048] The sound generating device 100 in this embodiment is simulated according to the acoustic simulation software, and the sound generating device 100 can achieve the design purpose, such as Figure 7 As shown, compared with the sound-generating device 100 in the prior art, the frequency loudness curve of the sound-generating device 100 in this embodiment is more consistent at different angles, resulting in a more consistent listening experience.

[0049] Compared with the prior art, the present application solves the problem of unbalanced sound field in front of the sound-emitting device by opening a number of inclined side sound outlet channels on the side of the shell, so that the listener can have a balanced listening experience within a 180° range in front of the sound-emitting device, and will not feel the difference in listening experience due to walking from one position to another.

[0050] Another embodiment of the present invention provides an electronic device, which includes the sound-generating device 100 as described in the above embodiment. The electronic device in the present invention can be various electronic devices such as a mobile phone and a tablet computer.

[0051] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A sound-generating device, characterized in that: include: A shell, wherein the shell has a top and a bottom, and the shell is of a structure with a small top and a large bottom; a plurality of inclined side sound outlet channels are provided on the side of the shell, and along the direction from the bottom of the shell to the top of the shell, the plurality of side sound outlet channels are sequentially arranged on the side, and the cross-sectional areas of the plurality of side sound outlet channels gradually decrease; the side sound outlet channel at the bottom is inclined toward the direction close to the bottom of the shell, and the remaining side sound outlet channels on the same side are inclined toward the direction close to the top of the shell; along the direction from the bottom of the shell to the top of the shell, the angles between the center lines of the remaining side sound outlet channels on the same side and the horizontal direction gradually increase, and the angles are all acute angles; The sound-generating component is installed in the shell and comprises a diaphragm arranged opposite to the top of the shell, and the sound-generating component is coaxially arranged with the shell.

2. The sound-generating device according to claim 1, characterized in that: The shell is in a truncated cone structure, and the side sound outlet channel is arranged around the sound-emitting component.

3. The sound generating device according to claim 1, characterized in that: The housing is in a truncated pyramid structure, and the side sound outlet channels are located on two opposite sides of the sound-emitting component.

4. The sound generating device according to claim 1, characterized in that: A plurality of front sound outlet channels are provided on the top surface of the shell.

5. The sound generating device according to claim 4, characterized in that: The front sound outlet channel is arranged obliquely upward relative to the center line of the sound-emitting component, and the cross-sectional area of ​​the front sound outlet channel gradually increases in the direction away from the sound-emitting component.

6. The sound-generating device according to any one of claims 1 to 5, characterized in that: Also includes: The inner shell is located inside the outer shell, the top end of the inner shell is open, and the sound generating component is installed at the opening.

7. The sound generating device according to claim 6, characterized in that: The outer contour of the inner shell and the inner contour of the outer shell are adapted in shape.

8. An electronic device, characterized in that: Comprising a sound-generating device as described in any one of claims 1-7.

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