Passive basin mechanism and sound box

Abstract

The invention relates to a passive basin mechanism and a sound box. The passive basin mechanism comprises a passive basin assembly and a protective cover, the passive basin assembly comprises a passive vibration plate and at least two convex parts, and the convex parts are arranged on the first surface of the passive vibration plate; the protective cover covers the passive vibration plate and is opposite to the first surface, and a channel penetrating through the protective cover is formed in the protective cover; the passive vibration plate is configured to vibrate along with sound production of the sound box and can drive the convex part to move between the first position and the second position, and the protection cover is located between the first position and the second position. According to the passive basin mechanism, the protection cover with the channel is arranged, so that the passive vibration plate is prevented from being extruded by an external object, vibration of the passive vibration plate is prevented from being influenced, sound generated by low-frequency vibration of the passive vibration plate can be prevented from being blocked, and the sound generated by vibration of the passive vibration plate can be prevented from being blocked; and the passive vibration plate is protected in the vibration process.

Description

Technical Field

[0001] The present application relates to the technical field of sound boxes, and in particular to a passive basin mechanism and a sound box. Background Art

[0002] With the development of speaker technology, passive basins are widely used in speaker system design. Their main function is to enhance the low-frequency effect of the speaker through the resonance effect with the active acoustic unit (speaker). In the related technology, there are two main structural forms of passive basins. One is the hidden type, that is, the passive basin is hidden inside the speaker and connected to the external space through local air outlets. The entire passive basin is basically invisible from the outside, but the sound generated by low-frequency vibrations will be blocked to a certain extent. The second is the exposed type, that is, the passive basin is assembled on the external surface of the speaker. The entire passive basin can be seen from the outside, and the sound generated by low-frequency vibrations will not be blocked at all, but external objects can easily squeeze the passive basin, which may block the vibration of the passive basin and affect the sound.

[0003] However, the above passive basin structure is difficult to meet the requirements of both preventing the sound generated by the vibration of the passive basin from being blocked and protecting the passive basin during vibration. Summary of the invention

[0004] In a first aspect, an embodiment of the present application provides a passive basin mechanism, which can prevent the sound generated by the passive basin vibration from being blocked and protect the passive basin during vibration. The passive basin mechanism includes:

[0005] A passive basin assembly, comprising a passive vibration plate and a convex portion, wherein the convex portion is arranged on a first surface of the passive vibration plate, and at least two convex portions are arranged; and

[0006] A protective cover, which is arranged outside the passive vibration plate and is arranged opposite to the first surface, and the protective cover is provided with a channel penetrating the protective cover;

[0007] The passive vibration plate is configured to vibrate along with the sound of the sound box, and can drive the protrusion to move between a first position and a second position, wherein the protective cover is located between the first position and the second position.

[0008] In a second aspect, an embodiment of the present application provides a speaker, comprising an active acoustic unit and a passive basin mechanism as described in the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the exploded structure of the passive basin mechanism in some embodiments of the present application.

[0010] Figure 2 This is a front view of the passive basin mechanism in some embodiments of the present application.

[0011] Figure 3 It is a schematic diagram of the three-dimensional structure of the protrusion of the passive basin mechanism in some embodiments of the present application in the first position.

[0012] Figure 4 It is a cross-sectional view of a protrusion of a passive basin mechanism in some embodiments of the present application at a first position.

[0013] Figure 5 It is a schematic diagram of the three-dimensional structure of the protrusion of the passive basin mechanism in some embodiments of the present application in the second position.

[0014] Figure 6 It is a cross-sectional view of the protrusion of the passive basin mechanism in some embodiments of the present application at the second position.

[0015] Figure 7 It is a schematic diagram of the three-dimensional structure of the protrusion of the passive basin mechanism in some embodiments of the present application in the third position.

[0016] Figure 8 It is a cross-sectional view of the protrusion of the passive basin mechanism in some embodiments of the present application at a third position.

[0017] Fig. 9 It is a schematic diagram of the exploded structure of the passive basin assembly in some embodiments of the present application.

[0018] Figure Number:

[0019] 100. Passive basin mechanism;

[0020] 1. Passive basin assembly; 11. Passive vibration plate; 111. First surface; 112. Second surface; 12. Protrusion; 13. Light source; 131. Light-emitting element; 132. Circuit board; 14. Basin frame; 141. Mounting port; 142. Cavity; 143. Ventilation port; 15. Flexible surrounding member; 16. Connecting column; 17. Dart wave;

[0021] 2. Protective cover; 20. Channel; 21. Cover body; 211. Opening; 212. Cover plate portion; 213. Annular connecting portion; 22. Partition. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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 this application can be understood according to specific circumstances.

[0026] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. An element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and are not intended to be the only implementation method.

[0028] See also Figures 1 to 6 , Figure 1 shows a schematic diagram of the exploded structure of the passive basin mechanism in some embodiments of the present application, Figure 2 shows a front view of a passive basin mechanism in some embodiments of the present application, Figure 3 shows a schematic diagram of a three-dimensional structure of a convex portion of a passive basin mechanism in some embodiments of the present application in a first position, Figure 4 A cross-sectional view showing a convex portion of a passive basin mechanism in some embodiments of the present application in a first position is shown, Figure 5 shows a schematic diagram of a three-dimensional structure of a convex portion of a passive basin mechanism in some embodiments of the present application in a second position, Figure 6 A cross-sectional view of the protrusion of the passive basin mechanism in some embodiments of the present application in the second position is shown. The present application provides a passive basin mechanism 100. The passive basin mechanism 100 includes a passive basin assembly 1 and a protective cover 2, the passive basin assembly 1 includes a passive vibration plate 11 and a protrusion 12, the protrusion 12 is arranged on the first surface 111 of the passive vibration plate 11, and at least two protrusions 12 are arranged; the protective cover 2 is arranged outside the passive vibration plate 11 and is arranged opposite to the first surface 111, and the protective cover 2 is provided with a channel 20 that passes through the protective cover 2; the passive vibration plate 11 is configured to vibrate with the sound of the speaker, and can drive the protrusion 12 to move between the first position and the second position, wherein the protective cover 2 is located between the first position and the second position.

[0029] like Figure 1 , Figures 3 to 6 As shown in , the X direction in the figure is the vibration direction of the passive vibration plate 11.

[0030] In this embodiment, the passive basin mechanism 100 is used to be installed on a sound box, wherein the passive vibration plate 11 of the passive basin assembly 1 can vibrate with the active acoustic unit (such as a speaker) of the sound box due to the resonance effect, that is, the passive vibration plate 11 is configured to vibrate with the sound of the sound box, which can be used to adjust the bass, so that the designer can adjust the overall timbre of the sound box to obtain a higher sound quality for the sound box. The passive vibration plate 11 has a first surface 111, and the passive vibration plate 11 is configured to vibrate back and forth along the vibration direction, and the vibration direction intersects with the first surface 111, that is, the first surface 111 is not parallel to the vibration direction of the passive vibration plate 11; when the passive basin assembly 1 is installed on the sound box, the first surface 111 of the passive vibration plate 11 faces the outside of the sound box, so that the passive vibration plate 11 can vibrate toward the outside of the sound box. The shape of the first surface 111 can be a variety of shapes, such as a rectangle, a circle, an ellipse, a regular polygon, etc., which are not limited here. The first surface 111 may be a plane, that is, the passive vibration plate 11 may be a flat plate, or the first surface 111 may be a curved surface, such as a curved surface, that is, the passive vibration plate 11 may be a curved panel, which is not limited here. The passive vibration plate 11 may be made of a variety of materials, such as plastic, composite materials, etc., which are not limited here. Optionally, the first surface 111 is a plane perpendicular to the vibration direction of the passive vibration plate 11, that is, the vibration direction is perpendicular to the first surface 111.

[0031] At least two convex parts 12 are provided on the first surface 111 of the passive vibration plate 11. Specifically, one end of the convex part 12 is fixedly connected to the first surface 111 of the passive vibration plate 11, and the other end of the convex part 12 extends along the vibration direction of the passive vibration plate 11 in a direction away from the passive vibration plate 11. That is to say, the convex part 12 is generally in a shape with a certain height along the vibration direction of the passive vibration plate 11, and can be a columnar shape, such as a cylindrical column, a rectangular column, a polygonal column, etc., or a plate shape, such as a flat plate, an arc plate, etc., which is not limited here. The convex part 12 can be made of the same material as the passive vibration plate 11, or a different material from the passive vibration plate 11, which is not limited here. The number of convex parts 12 can be two, three, four, ..., dozens, etc., which is not limited here. The arrangement of multiple convex parts 12 can be linear side by side arrangement, array arrangement or irregular arrangement, etc., which is not limited here. Optionally, the convex part 12 is integrally formed with the passive vibration plate 11.

[0032] The protective cover 2 is arranged outside the passive vibration plate 11 and is arranged opposite to the first surface 111. A vibration cavity is formed between the protective cover 2 and the passive vibration plate 11, and the vibration cavity facilitates the vibration of the passive vibration plate 11. At the same time, a channel 20 is arranged on the protective cover 2 to penetrate the protective cover 2. Specifically, the channel 20 penetrates the inner side and the outer side of the protective cover 2. The inner side of the protective cover 2 refers to the side close to the passive vibration plate 11, and the outer side of the protective cover 2 refers to the side away from the passive vibration plate 11. Thus, the channel 20 is connected with the vibration cavity, which facilitates the passage of the airflow generated during the vibration of the passive vibration plate 11 to achieve vibration sound. Thus, the protective cover 2 can protect the passive vibration plate 11, prevent external objects from squeezing the passive vibration plate 11, which will block the vibration of the passive vibration plate 11 and affect the sound, and realize the protection of the passive vibration plate 11 during the vibration process; it can also prevent the sound generated by the low-frequency vibration of the passive vibration plate 11 from being blocked, ensure that the sound quality is not affected, and the passive basin mechanism 100 has a better low-frequency resonance sound effect. When the passive basin assembly 1 is installed on the sound box, the first surface 111 of the passive vibration plate 11 faces the outside of the sound box, and the passive vibration plate 11 can be seen from the outside, but at the same time, the protective cover 2 is arranged outside the passive vibration plate 11, shielding the passive basin assembly 1. Therefore, the passive basin mechanism 100 of the present application is semi-hidden, which is between hidden and exposed. Optionally, the protective cover 2 is fixedly connected to the passive basin assembly 1.

[0033] Furthermore, when the passive vibration plate 11 vibrates with the sound of the speaker, it can drive the convex portion 12 on the first surface 111 to move synchronously. Specifically, the passive vibration plate 11 has a positive amplitude state and a negative amplitude state. The positive amplitude direction of the passive vibration plate 11 is the same as the direction of the first surface 111. Correspondingly, the convex portion 12 can move between a first position and a second position; wherein the first position and the second position are positions of the convex portion 12 corresponding to the maximum amplitude of the passive vibration plate 11, that is, when the passive vibration plate 11 is in the maximum positive amplitude state, the convex portion 12 is correspondingly located at the first position, and when the passive vibration plate 11 is in the maximum negative amplitude state, the convex portion 12 is correspondingly located at the first position. In the amplitude state, the protrusion 12 is correspondingly located at the second position; the protective cover 2 is located between the first position and the second position, that is, the first position and the second position are located on opposite sides of the protective cover 2, wherein the first position is located on the side of the protective cover 2 away from the passive vibration plate 11, that is, the first position is located on the outside of the protective cover 2, and the second position is located on the side of the protective cover 2 close to the passive vibration plate 11, that is, the second position is located on the inside of the protective cover 2; thereby, the vibration of the passive vibration plate 11 can drive the protrusion 12 to pass through the channel 20 on the protective cover 2 and extend out to expose the outside of the protective cover 2 or retract into the inside of the protective cover 2.

[0034] like Figure 3 and Figure 4As shown, the convex portion 12 is close to the first position, and the passive vibration plate 11 is in a positive amplitude state. At this time, the vibration amplitude of the passive vibration plate 11 is close to the protective cover 2, and the convex portion 12 passes through the channel 20 on the protective cover 2. The end of the convex portion 12 extends from the channel 20 to the outside of the protective cover 2. From the outside of the protective cover 2, it can be seen that the convex portion 12 obviously extends out of the channel 20 on the protective cover 2. Among them, the end of the convex portion 12 refers to the end of the convex portion 12 away from the first surface 111.

[0035] like Figure 5 and Figure 6 As shown, the protrusion 12 is close to the second position, and the passive vibration plate 11 is in a negative amplitude state. At this time, the vibration amplitude of the passive vibration plate 11 is away from the protective cover 2, and the protrusion 12 is away from the channel 20 on the protective cover 2. The protrusion 12 is located on the inner side of the protective cover 2 as a whole, and the channel 20 on the protective cover 2 can be seen from the outer side of the protective cover 2.

[0036] When the passive vibration plate 11 vibrates continuously back and forth, the convex portion 12 on the first surface 111 is driven to circulate back and forth; wherein, the sound produced by the speaker has a certain size, and the real-time amplitude of the passive vibration plate 11 is related to the size of the sound, but does not exceed the maximum amplitude, so that the reciprocating movement of the convex portion 12 can be moving to the first position and the second position, or it can be moving toward the first position and the second position halfway and then returning; from the outside of the protective cover 2, it can be seen that the visible part of the convex portion 12 changes, thereby presenting a changing visual effect. Since the vibration frequency of the passive vibration plate 11 is negatively correlated with the vibration amplitude, the smaller the vibration frequency, the larger the vibration amplitude of the passive vibration plate 11; for example, the vibration frequency range of the passive vibration plate 11 is between 20Hz and 150Hz. Therefore, when the passive basin mechanism 100 is used, the visual effect can be presented correspondingly according to the audio output by the active acoustic unit to meet personalized usage needs.

[0037] The passive basin mechanism 100 of the embodiment of the present application can prevent external objects from squeezing the passive vibration plate 11, which would block the vibration of the passive vibration plate 11 and affect the sound, and can also avoid the sound generated by the low-frequency vibration of the passive vibration plate 11 from being blocked. The passive basin mechanism 100 has a better low-frequency resonance sound effect, and protects the passive vibration plate 11 while the sound quality is not affected. Therefore, the passive basin mechanism 100 can not only avoid the sound generated by the passive basin vibration from being blocked, but also achieve protection during the passive basin vibration process.

[0038] At the same time, by arranging at least two protrusions 12 on the first surface 111 of the passive vibration plate 11, which cooperate with the channel 20 on the protective cover 2, when the passive vibration plate 11 vibrates, the protrusion 12 is driven to move relative to the channel 20 on the protective cover 2. From the outside of the protective cover 2, it can be seen that the visible part of the protrusion 12 has changed. Therefore, when the passive basin mechanism 100 is used, the visual effect can be presented correspondingly according to the audio output by the active acoustic unit, thereby enhancing the product's sense of technology and aesthetics, achieving both improved musical effects and improved visual effects, and meeting personalized usage needs.

[0039] In some embodiments, see Figure 1 and Figure 2 The shape of the projection contours of the plurality of protrusions 12 on the first surface 111 includes at least one of a regular pattern and an irregular pattern.

[0040] In this embodiment, a regular figure refers to a figure with a clear definition and name, for example, a regular figure includes a rectangle, a circle, an ellipse, a triangle, a parallelogram, a trapezoid, a regular polygon, a semicircle, a pentagram, a crescent, etc., which are not limited here. An irregular figure refers to a figure that cannot be clearly defined or named, for example, it can be a figure surrounded by a number of arcs and straight lines connected end to end, a text outline, etc. The projection contours of the multiple protrusions 12 on the first surface 111 include at least one of a regular figure and an irregular figure, that is, the projection contours of the multiple protrusions 12 can all be regular figures, or they can all be irregular figures, or they can have both regular figures and irregular figures; the projection contour shapes of each protrusion 12 can be all the same, or they can be different, or some can be the same and another part can be different; the projection contour shapes of the multiple protrusions 12 on the first surface 111 can be flexibly selected as needed. Specifically, the projection of the protrusion 12 on the first surface 111 refers to the projection of the protrusion 12 on the first surface 111 along the vibration direction.

[0041] By setting the projection contours of multiple protrusions 12 on the first surface 111, a variety of regular and irregular patterns can be flexibly selected, so that the multiple protrusions 12 can present a variety of identical or different visual effects, which can show a more beautiful visual effect and further enhance the aesthetics of the product.

[0042] In some embodiments, see Figure 1 and Figure 2 , projections of the plurality of protrusions 12 on the first surface 111 are arranged to form a preset pattern.

[0043] In this embodiment, the preset pattern refers to a pre-set pattern, and the preset pattern can be a variety of graphic patterns, for example, the preset pattern can be a grid bar shape, a grid point shape, a spiral shape, a flower shape, a trademark, a LOGO, etc., which is not limited here. By arranging the projections of multiple convex portions 12 on the first surface 111 to form a preset pattern, the visual change effect of the preset pattern can be presented, which is easier to identify and can show a more beautiful visual effect.

[0044] In some specific embodiments, see Figure 1 and Figure 2 The projection contours of the multiple protrusions 12 on the first surface 111 are all strips, for example, they can be rectangular strips or trapezoidal strips; and the strip projections of the multiple protrusions 12 are arranged side by side along the diagonal direction of the first surface 111, so that the projections of the multiple protrusions 12 on the first surface 111 are arranged to form a grid shape, that is, the multiple protrusions 12 are arranged to form a grid plate.

[0045] In some embodiments, the plurality of convex portions 12 have the same height dimension along the vibration direction. By setting the plurality of convex portions 12 to have the same height dimension, the plurality of convex portions 12 can present a neat visual effect when in use.

[0046] In other embodiments, the heights of the plurality of protrusions 12 along the vibration direction are different. By designing the plurality of protrusions 12 to have different heights, more varied pattern changes can be designed, showing more varied visual effects, and meeting personalized usage needs.

[0047] In some embodiments not shown, one channel 20 is provided. When the passive vibration plate 11 vibrates, the plurality of protrusions 12 move telescopically relative to the protective cover 2 via the one channel 20, and the visual effect change presented is the visual effect change caused by the reciprocating motion of the preset pattern formed by the plurality of protrusions 12 arranged.

[0048] In other embodiments, see Figure 1 and Figure 2 There are multiple channels 20, and the multiple channels 20 are arranged in a one-to-one correspondence with the multiple protrusions 12.

[0049] In this embodiment, a plurality of channels 20 are provided on the protective cover 2, and the plurality of channels 20 are provided one-to-one corresponding to the plurality of protrusions 12, that is, each channel 20 is provided corresponding to a protrusion 12 along the vibration direction, so that the vibration of the passive vibration plate 11 will drive the plurality of protrusions 12 to pass through the plurality of channels 20 on the protective cover 2 one-to-one, and an interlaced relative motion is formed between the plurality of protrusions 12 on the first surface 111 and the plurality of channels 20 on the protective cover 2, resulting in a complex and varied visual effect, which is conducive to presenting a more beautiful visual effect.

[0050] In some embodiments, see Figure 1 and Figure 2 The shape of the projection contour of the channel 20 on the first surface 111 is adapted to the shape of the projection contour of the protrusion 12 on the first surface 111 .

[0051] In this embodiment, the shape of the projection contour of the channel 20 on the first surface 111 is adapted to the shape of the projection contour of the protrusion 12 on the first surface 111, which means that the shape of the projection contour of the channel 20 on the first surface 111 is roughly the same as the shape of the projection contour of the protrusion 12 on the first surface 111, so that the protrusion 12 can be easily inserted into the channel 20 to avoid interference and hindrance to the relative movement between the protrusion 12 and the protective cover 2, and the visual effect of the coordinated movement of the protrusion 12 and the channel 20 is better and the aesthetics is higher.

[0052] In some embodiments not shown, the channel 20 is a through hole opened on the protective cover 2, and there is a gap between the inner wall of the through hole and the outer peripheral wall of the convex portion 12. The gap between the inner wall of the through hole and the outer peripheral wall of the convex portion 12 means that when the convex portion 12 is inserted into the through hole, there is a gap between the inner wall of the through hole and the outer peripheral wall of the convex portion 12. By setting a gap between the inner wall of the through hole and the outer peripheral wall of the convex portion 12, it is convenient for the convex portion 12 to move in the through hole, effectively preventing mutual friction or collision between the convex portion 12 and the inner wall of the through hole, avoiding interference and blocking the vibration of the passive vibration plate 11 and affecting the sound, and protecting the sound quality from being affected.

[0053] In other embodiments, see Figure 1 and Figure 2 , and see further Figure 4 and Figure 6 The protective cover 2 includes a cover body 21 and a partition 22. The cover body 21 is provided with an opening 211. The partition 22 is disposed at the opening 211 and connected to the cover body 21. The partition 22 divides the opening 211 to form a plurality of channels 20. There is a gap between the outer peripheral wall of the protrusion 12 and the inner wall of the partition 22 and the opening 211.

[0054] In this embodiment, a relatively large opening 211 is provided on the cover 21, and the opening 211 can allow all the protrusions 12 to pass through at the same time; at the same time, a partition 22 is provided to divide the opening 211 into multiple parts, so that two adjacent partitions 22 and the inner wall of the opening 211 together form a channel 20; there is a gap between the outer peripheral wall of the protrusion 12 and the inner wall of the partition 22 and the opening 211, which means that when the protrusion 12 is inserted into the channel 20, there is a gap between the outer peripheral wall of the protrusion 12 and the two partitions 22 corresponding to the channel 20 and the inner wall of the opening 211. Such a configuration facilitates the movement of the protrusion 12 in the channel 20, effectively preventing mutual friction or collision between the protrusion 12 and the cover 21 or the partition 22, thereby avoiding blocking the vibration of the passive vibration plate 11 and affecting the sound, and protecting the sound quality from being affected.

[0055] In some embodiments, the width of the gap ranges from 2 mm to 3 mm.

[0056] In this embodiment, the width of the gap refers to the distance between the inner wall of the through hole and the outer peripheral wall of the protrusion 12, or the distance between the outer peripheral wall of the protrusion 12 and the inner wall of the partition 22 and the opening 211; it can be understood that when the protrusion 12 is inserted into the channel 20, the gap is in a ring shape surrounding the outer peripheral wall of the protrusion 12. The width of the gap will affect the smooth movement of the protrusion 12 through the channel 20 on the one hand, and on the other hand, it will also affect the visual effect displayed when the protrusion 12 moves. By setting the width of the gap to between 2 mm and 3 mm, it can effectively prevent the protrusion 12 from rubbing or colliding with the protective cover 2 when passing through the channel 20, and the protrusion 12 moves more smoothly, which is also conducive to presenting a beautiful visual effect.

[0057] In some embodiments, see Figure 7 and Figure 8 , Figure 7 shows a schematic diagram of a three-dimensional structure of a convex portion of a passive basin mechanism in some embodiments of the present application in a third position, Figure 8 A cross-sectional view of the protrusion of the passive basin mechanism in some embodiments of the present application is shown in the third position, and the passive vibration plate 11 is configured to be able to drive the protrusion 12 to move to the third position, wherein, in the third position, the end surface of the protrusion 12 away from the passive vibration plate 11 is flush with the end surface of the channel 20 away from the passive vibration plate 11, and the third position is between the first position and the second position.

[0058] In this embodiment, the protrusion 12 can be moved to a third position, which is between the first position and the second position. At this time, the passive vibration plate 11 has no vibration amplitude, the passive vibration plate 11 is in a zero amplitude state, and the end of the protrusion 12 is located in the channel 20. From the outside of the protective cover 2, it can be seen that the protrusion 12 is roughly flush with the end surface of the channel 20 on the protective cover 2. Usually, when the passive basin mechanism 100 is not working, the passive vibration plate 11 is in a zero amplitude state. At this time, the protrusion 12 is located in the third position, and the ends of multiple protrusions 12 are respectively located in multiple channels 20, and the end surfaces of multiple protrusions 12 away from the passive vibration plate 11 are all flush with the end surface of the channel 20 away from the passive vibration plate 11.

[0059] By setting the end surfaces of the multiple protrusions 12 away from the passive vibration plate 11 to be flush with the end surface of the channel 20 away from the passive vibration plate 11 in the zero amplitude state, the protrusions 12 can be prevented from being squeezed externally and causing damage to the passive vibration plate 11 when the passive basin mechanism 100 is not in use, which facilitates storage and transportation. In addition, the exterior of the protective cover 2 has a relatively flat visual effect in the zero amplitude state, thereby improving the aesthetics.

[0060] In some specific embodiments, see Figures 1 to 8, the separator 22 is a grid bar, and the channel 20 is a bar-shaped grid hole surrounded by two adjacent grid bars and the inner wall of the opening 211; the grid bars on the passive vibration plate 11 and the grid bars on the protective cover 2 cooperate with each other to move in an interlaced manner, which can show a more beautiful visual effect. In addition, the grid holes are conducive to further reducing the obstruction of the sound generated by the low-frequency vibration of the passive vibration plate 11, which is conducive to high-fidelity music effects. Optionally, the opposite ends of the grid bars along the vibration direction extend out of the opposite ends of the cover body 21, so that the end face of the channel 20 away from the passive vibration plate 11 refers to the end face of the separator 22 away from the passive vibration plate 11.

[0061] In some embodiments, the passive vibration plate 11 is made of a light-transmitting material, and / or the protrusion 12 is made of a light-transmitting material.

[0062] In this embodiment, the light-transmitting material refers to a material through which light can pass, for example, the light-transmitting material can be glass, organic glass, etc.; the passive vibration plate 11 can be made of a light-transmitting material, the convex part 12 can be made of a light-transmitting material, or both the passive vibration plate 11 and the convex part 12 can be made of a light-transmitting material. By setting the passive vibration plate 11 and / or the convex part 12 as a light-transmitting material, the passive vibration plate 11 and / or the convex part 12 can be light-transmitting, so that when a light-emitting device is provided in the passive basin mechanism 100 or the sound box, the light emitted by the light-emitting device can be emitted outward through the passive vibration plate 11 and / or the plurality of convex parts 12, which can enhance the visual effect of the relative movement between the convex part 12 and the protective cover 2, and is conducive to avoiding the color of the surface of the protective cover 2 and the convex part 12 being dark or the visual effect of the interlaced relative movement of the convex part 12 and the protective cover 2 being not obvious in a dark light environment, and the lights can be equipped synchronously or asynchronously according to the output audio, so as to increase the recognition of the sound range of different usage scenarios from the visual experience, and further enhance the experience aesthetic feeling of the product.

[0063] Optionally, the passive vibration plate 11 and the convex portion 12 may both be made of a transparent material or a translucent material.

[0064] In some embodiments, see Figures 6 to 8 , and see further Fig. 9 , Fig. 9 The passive basin assembly 1 further comprises a light source 13 , which is arranged on the passive vibration plate 11 .

[0065] In this embodiment, the light source 13 is used to emit light. By arranging the light source 13 on the passive vibration plate 11, the light source 13 emits light to form a lighting effect, which can illuminate the convex portion 12 and the protective cover 2, which is helpful to avoid the color of the surface of the protective cover 2 and the convex portion 12 being dark or the visual effect of the interlaced relative movement of the convex portion 12 and the protective cover 2 being unclear in a dark light environment; and when the passive vibration plate 11 vibrates, it can drive the light source 13 to move synchronously, and can present a lighting effect according to the output audio to show a more beautiful visual effect, so as to further enhance the sense of technology and aesthetics of the product.

[0066] Specifically, see Figure 4 , Figure 6 , Figure 8 and Fig. 9 The passive vibration plate 11 further has a second surface 112 disposed opposite to the first surface 111 , and the light source 13 is mounted on the second surface 112 .

[0067] In this embodiment, a light source 13 is arranged on the back of the passive vibration plate 11 to emit light, and the passive vibration plate 11 and the convex portion 12 are both made of light-transmitting materials; since the passive vibration plate 11 and the convex portion 12 are both light-transmitting, the light source 13 is installed on the second surface 112 of the passive vibration plate 11, and the light emitted by the light source 13 can be emitted outward through the passive vibration plate 11 and the convex portion 12, and the light emission is evenly dispersed, with better visual effects. It can also prevent the light source 13 from being exposed to the outside of the passive vibration plate 11, which is beneficial to protecting the light source 13 and extending its service life.

[0068] In some embodiments, see Figure 4 , Figure 6 , Figure 8 and Fig. 9 The light source 13 includes a plurality of light emitting elements 131 , and the light emitting elements 131 are staggered with the protrusion 12 .

[0069] In this embodiment, the light-emitting element 131 refers to a component that can actively emit light, such as a light-emitting diode; the light-emitting element 131 is staggered with the convex portion 12, which means that the projection of the light-emitting element 131 on the passive vibration plate 11 is staggered with the projection of the convex portion 12 on the passive vibration plate 11. Specifically, the multiple convex portions 12 on the passive vibration plate 11 are arranged at intervals, and each convex portion 12 can pass through a channel 20 one by one. By staggering the light-emitting element 131 with the convex portion 12, that is, the light-emitting element 131 is arranged relative to the interval area on the passive vibration plate 11, so that the light-emitting element 131 emits light toward the interval area on the passive vibration plate 11, and then the light is transmitted to the convex portion 12 through the passive vibration plate 11, which can play a uniform light effect, making the light emitted from the convex portion 12 softer and more uniform; by setting multiple light-emitting elements 131, light can be emitted to multiple interval areas on the passive vibration plate 11, which is conducive to improving the luminous brightness and luminous range, and the light is evenly dispersed, the light visual effect is better, and the sense of technology and aesthetics are further improved.

[0070] In some specific embodiments, see Fig. 9 The light emitting element 131 is an LED (Lighting Emitting Diode), the light source 13 is a PCBA (Printed Circuit Board Assembly) assembled with an LED, the light source 13 also includes a circuit board 132, a plurality of LED lamp beads are arranged on the circuit board 132, and the circuit board 132 is fixedly mounted on the second surface 112 of the passive vibration plate 11.

[0071] In some embodiments, see Figure 4 , Figure 6 , Figure 8 and Fig. 9 The passive basin assembly 1 also includes a basin frame 14 and a flexible surround 15. The basin frame 14 is provided with a mounting opening 141. The inner ring side of the flexible surround 15 is connected to the outer periphery of the passive vibration plate 11. The outer ring side of the flexible surround 15 is connected to the inner side of the mounting opening 141 to set the passive vibration plate 11 at the mounting opening 141.

[0072] In this embodiment, the passive vibration plate 11 and the flexible surround 15 jointly close the installation opening 141 of the basin frame 14, and the passive vibration plate 11 is installed on the sound box through the basin frame 14 and the flexible surround 15. Since the flexible surround 15 is made of flexible material, the passive vibration plate 11 responds to the resonance effect of the active acoustic unit and generates vibrations with different vibration frequencies and vibration amplitudes.

[0073] Optionally, the basin frame 14 can be made of metal material, such as aluminum, stainless steel, etc., or can be made of non-metal material, such as plastic, composite material, etc., which is not limited here. In some specific embodiments, the flexible surround 15 is a rubber R ring.

[0074] Optionally, the passive vibration plate 11 and the flexible surrounding member 15 , and the flexible surrounding member 15 and the basin frame 14 are fixed by adhesive bonding.

[0075] In some embodiments, see Figure 4 , Figure 6 , Figure 8 and Fig. 9 The passive basin assembly 1 also includes a connecting column 16 and a spring 17. The basin frame 14 has a cavity 142 inside, and the cavity 142 is connected to the mounting port 141. The connecting column 16 is arranged in the cavity 142 and one end of the spring 17 is connected to the passive vibration plate 11. The spring 17 is an annular structure. The inner ring side of the spring 17 is connected to the other end of the connecting column 16, and the outer ring side of the spring 17 is connected to the basin frame 14.

[0076] In this embodiment, the basin frame 14 is constructed as a basin-shaped structure with a cavity 142 inside and an open end, and a resonance cavity is formed between the basin frame 14, the passive vibration plate 11 and the flexible surround 15; the passive vibration plate 11 is connected to the basin frame 14 through a connecting column 16 and a spring 17, and the spring 17 is used to support the connecting column 16 and prevent the connecting column 16 from moving laterally, thereby limiting the vibration of the passive vibration plate 11. Moreover, since the spring 17 is made of flexible material, it can cooperate with the flexible surround 15, so that the passive vibration plate 11 generates different vibration frequencies and vibration amplitudes due to the resonance effect with the active acoustic unit, and the resonance effect is better, which is beneficial to improving the sound quality of the passive basin mechanism 100.

[0077] Optionally, the passive vibration plate 11 is coaxially arranged with the connecting column 16. The connecting column 16 is connected and fixed to the elastic wave 17 and the basin frame 14 by gluing.

[0078] Optionally, the cross-sectional shape of the elastic wave 17 is a corrugated shape.

[0079] Optionally, the light source 13 can be clamped and fixed between the passive vibration plate 11 and the connecting column 16, and the installation and fixation are stable and reliable; the interior of the connecting column 16 is a hollow structure, which is convenient for routing the light source 13 and easy to install.

[0080] In some embodiments, see Figure 4 , Figure 6 , Figure 8 and Fig. 9 A vent 143 is provided on the side wall of the basin frame 14 , and the vent 143 is connected to the cavity 142 .

[0081] Specifically, a plurality of vents 143 are provided on the surrounding side walls of the basin frame 14; by providing the vents 143, the resonance cavity in the passive basin assembly 1 can be connected with the active acoustic unit, which is beneficial for the passive vibration plate 11 to vibrate due to the resonance effect with the active acoustic unit, thereby helping to reduce energy loss and improve sound quality.

[0082] In some embodiments, see Figure 1 and Figures 3 to 8 The protective cover 2 includes a cover body 21, which has a cover plate portion 212 and an annular connecting portion 213. The cover plate portion 212 is provided with a channel 20, one end of the annular connecting portion 213 is connected to the cover plate portion 212, and the other end of the annular connecting portion 213 is snap-fitted and connected to one end of the basin frame 14 having a mounting port 141.

[0083] In this embodiment, the protective cover 2 is snap-fitted with the open end of the basin frame 14 having the mounting opening 141 through the annular connecting portion 213, so that the protective cover 2 can be detachably mounted on the passive basin assembly 1, and the disassembly and assembly are simple.

[0084] The present application provides a sound box, which includes an active acoustic unit and a passive basin mechanism 100 provided by any of the above embodiments. Optionally, the active acoustic unit may be a loudspeaker.

[0085] Since the speaker has the same technical effect as the above-mentioned passive basin mechanism 100, it will not be described in detail here.

[0086] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0087] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A passive basin mechanism, characterized in that: include: A passive basin assembly, comprising a passive vibration plate and a convex portion, wherein the convex portion is arranged on a first surface of the passive vibration plate, and at least two convex portions are arranged; as well as A protective cover, which is arranged outside the passive vibration plate and is arranged opposite to the first surface, and the protective cover is provided with a channel penetrating the protective cover; The passive vibration plate is configured to vibrate along with the sound of the sound box, and can drive the protrusion to move between a first position and a second position, wherein the protective cover is located between the first position and the second position.

2. The passive basin mechanism according to claim 1, characterized in that: Projections of the plurality of protrusions on the first surface are arranged to form a preset pattern.

3. The passive basin mechanism according to claim 1, characterized in that: A plurality of the channels are provided, and the plurality of the channels are provided in one-to-one correspondence with the plurality of the protrusions.

4. The passive basin mechanism according to claim 3, characterized in that: The shape of a projection contour of the channel on the first surface is matched with the shape of a projection contour of the convex portion on the first surface.

5. The passive basin mechanism according to claim 3, characterized in that: The channel is a through hole opened on the protection cover, and a gap is provided between the inner wall of the through hole and the outer peripheral wall of the convex portion.

6. The passive basin mechanism according to claim 1, characterized in that: The passive vibration plate is configured to be able to drive the protrusion to move to a third position, wherein in the third position, the end surface of the protrusion away from the passive vibration plate is flush with the end surface of the channel away from the passive vibration plate, and the third position is between the first position and the second position.

7. The passive basin mechanism according to claim 1, characterized in that: The passive vibration plate is made of a light-transmitting material, and / or the convex portion is made of a light-transmitting material.

8. The passive basin mechanism according to claim 7, characterized in that: The passive basin assembly further includes a light source; the passive vibration plate further includes a second surface disposed opposite to the first surface, and the light source is mounted on the second surface.

9. The passive basin mechanism according to claim 8, characterized in that: The light source includes a plurality of light-emitting elements, and the light-emitting elements are arranged in a staggered manner with the convex portion.

10. A sound box, characterized in that: It comprises an active acoustic unit and a passive basin mechanism as claimed in any one of claims 1 to 9.

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