技术领域Technical field
本发明涉及骨传导技术领域，尤其涉及一种骨气复合发声装置及可穿戴设备。The present invention relates to the field of bone conduction technology, and in particular to a bone-qi composite sound-generating device and a wearable device.
背景技术Background technique
骨传导耳机能将电信号转换为机械振动信号，并将机械振动信号通过人体组织及骨骼传入人体的听觉神经，使佩戴者听到声音。目前，有一些骨传导耳机的振子上设置有振膜，振子振动带动振膜振动，振膜鼓动空气发声。这样，骨传导耳机既可以与人脸贴合实现骨传导传声，还可以实现气传导传声，能够获得更大的响度。Bone conduction headphones can convert electrical signals into mechanical vibration signals, and transmit the mechanical vibration signals to the human auditory nerve through human tissue and bones, allowing the wearer to hear sounds. At present, some bone conduction earphones are equipped with a diaphragm on the vibrator. The vibration of the vibrator drives the diaphragm to vibrate, and the diaphragm inflates the air to produce sound. In this way, bone conduction headphones can not only fit the human face to achieve bone conduction sound transmission, but also achieve air conduction sound transmission, achieving greater loudness.
目前，振膜通常连接在振子振动方向的一端，由振子带动沿着振动方向振动，为了使得出声方向靠近人耳，需要在耳机头的侧面开设出声孔，出声孔的方向与振动方向一般是垂直的，气流需要转变方向之后从出声孔发出，这也就使得声波能量的损失比较大，对振子能量的利用效率较低。At present, the diaphragm is usually connected to one end of the vibrator in the vibration direction, and is driven by the vibrator to vibrate along the vibration direction. In order to make the sound direction closer to the human ear, a sound hole needs to be opened on the side of the earphone head. The direction of the sound hole is consistent with the vibration direction. It is generally vertical, and the airflow needs to change direction and then be emitted from the sound outlet, which results in a relatively large loss of sound wave energy and a low utilization efficiency of the vibrator energy.
因此，有必要对现有技术予以改良以克服现有技术中的所述缺陷。Therefore, it is necessary to improve the prior art to overcome the defects in the prior art.
发明内容Contents of the invention
本发明的目的在于提供一种骨气复合发声装置及可穿戴设备，能够降低气传导传声的能量损失。The object of the present invention is to provide a bone-qi composite sound-generating device and a wearable device that can reduce the energy loss of air conduction sound transmission.
为实现上述发明目的，一方面，本发明提出了一种骨气复合发声装置，包括：In order to achieve the above-mentioned object of the invention, on the one hand, the present invention proposes a bone-qi composite sound-producing device, including:
外壳，包括出声孔和用于向皮肤传递振动的第一表面；a housing including a sound outlet and a first surface for transmitting vibrations to the skin;
定子组件，与所述外壳相对固定；The stator assembly is relatively fixed to the housing;
振动组件，设于所述外壳内，所述定子组件驱动所述振动组件沿着振动轴线振动，所述振动轴线具有相互垂直的第一分量和第二分量，所述第一分量与所述出声孔的轴线平行或重合，所述第二分量指向所述第一表面；A vibration component is provided in the housing. The stator component drives the vibration component to vibrate along a vibration axis. The vibration axis has a first component and a second component that are perpendicular to each other. The first component and the output The axes of the sound holes are parallel or coincident, and the second component is directed to the first surface;
振膜，连接于所述振动组件和所述外壳之间，且与所述出声孔对应设置；以及，A diaphragm is connected between the vibration component and the housing, and is arranged corresponding to the sound outlet; and,
弹性件，连接于所述振动组件和所述外壳之间。An elastic member is connected between the vibration component and the housing.
进一步地，所述振动组件包括导磁芯和环绕在所述导磁芯的外周的线圈，所述定子组件与所述导磁芯的端部相对间隔设置；Further, the vibration component includes a magnetically conductive core and a coil surrounding the outer circumference of the magnetically conductive core, and the stator assembly is arranged relatively spaced apart from the end of the magnetically conductive core;
所述定子组件包括与所述导磁芯的端部相对设置的第一磁极和第二磁极，所述第一磁极和所述第二磁极沿着所述振动轴线布置，且两者的极性相反。The stator assembly includes a first magnetic pole and a second magnetic pole arranged opposite to the end of the magnetic core. The first magnetic pole and the second magnetic pole are arranged along the vibration axis, and the polarity of the two poles is on the contrary.
进一步地，所述第一磁极和所述第二磁极朝向所述导磁芯的表面的几何中心的连线与所述振动轴线平行。Further, a line connecting the first magnetic pole and the second magnetic pole toward the geometric center of the surface of the magnetic core is parallel to the vibration axis.
进一步地，沿着所述第一分量，所述第一磁极的截面积逐渐增大，所述第二磁极的截面积逐渐缩小，沿着所述第二分量，所述第一磁极的截面积逐渐缩小，所述第二磁极的截面积逐渐增大。Further, along the first component, the cross-sectional area of the first magnetic pole gradually increases, the cross-sectional area of the second magnetic pole gradually decreases, and along the second component, the cross-sectional area of the first magnetic pole Gradually shrink, the cross-sectional area of the second magnetic pole gradually increases.
进一步地，所述第一磁极和所述第二磁极均呈三角形，且中心对称设置。Further, the first magnetic pole and the second magnetic pole are both triangular in shape and arranged symmetrically about the center.
进一步地，所述第一磁极和所述第二磁极均呈直角三角形，两者的斜边相贴合，所述第一磁极和所述第二磁极配合形成矩形。Further, the first magnetic pole and the second magnetic pole are both in the shape of a right-angled triangle, and their hypotenuses are in contact with each other. The first magnetic pole and the second magnetic pole cooperate to form a rectangular shape.
进一步地，所述定子组件包括第一磁性件和第二磁性件，所述第一磁性件和所述第二磁性件的充磁方向相反，所述第一磁性件朝向所述导磁芯的端部的磁极为所述第一磁极，所述第二磁性件朝向所述导磁芯的端部的磁极为所述第二磁极。Further, the stator assembly includes a first magnetic component and a second magnetic component. The first magnetic component and the second magnetic component have opposite magnetizing directions. The first magnetic component faces the direction of the magnetic conductive core. The magnetic pole at the end is the first magnetic pole, and the magnetic pole at the end of the second magnetic member facing the magnetic core is the second magnetic pole.
进一步地，所述第一磁极和所述第二磁极为一个磁性件的两个不同的磁极。Further, the first magnetic pole and the second magnetic pole are two different magnetic poles of one magnetic piece.
进一步地，所述的骨气复合发声装置包括两组分别与所述导磁芯的两端部相对设置的定子组件。Further, the bone-bone composite sound-generating device includes two sets of stator assemblies respectively arranged opposite to the two ends of the magnetic core.
进一步地，所述第一表面至少部分与人体接触的部分为平面，所述第二分量与所述平面垂直或者倾斜设置。Further, at least part of the first surface that contacts the human body is a plane, and the second component is arranged perpendicularly or obliquely to the plane.
进一步地，所述外壳包括与所述第一表面垂直的侧面，所述侧面开设有所述出声孔。Further, the housing includes a side surface perpendicular to the first surface, and the sound hole is provided on the side surface.
进一步地，所述外壳开设有两个相对设置的出声孔，所述骨气复合发声装置包括两个连接于所述振动组件相对的两侧的振膜，所述振膜分别封住两个所述出声孔。Further, the housing is provided with two oppositely arranged sound holes, and the bone composite sound-generating device includes two diaphragms connected to opposite sides of the vibration component, and the diaphragms respectively seal the two diaphragms. Describe the sound hole.
进一步地，所述振膜呈片状或者锥状。Further, the diaphragm is in a sheet shape or a cone shape.
进一步地，所述弹性件呈片状，其包括与所述外壳相对固定的外支架、与所述振动组件相连的内支架以及连接在所述外支架和所述内支架之间的弹性臂，所述弹性件与所述振动轴线垂直设置或者平行设置，或者所述弹性件与所述第一分量或者所述第二分量平行设置。Further, the elastic member is in a sheet shape and includes an outer bracket relatively fixed to the outer shell, an inner bracket connected to the vibration component, and an elastic arm connected between the outer bracket and the inner bracket, The elastic member is arranged perpendicularly or parallel to the vibration axis, or the elastic member is arranged parallel to the first component or the second component.
另一方面，本发明提出了一种可穿戴设备，包括如上所述的骨气复合发声装置。On the other hand, the present invention proposes a wearable device including the bone-qi composite sound-generating device as mentioned above.
与现有技术相比，本发明具有如下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
本发明的骨气复合发声装置包括用于产生气导声的振膜和用于皮肤传递振动的第一表面，且振动组件的振动轴线具有第一分量和第二分量，第一分量与出声孔的轴线平行或重合，能够带动振膜振动鼓动空气发声，第二分量指向第一表面，能够通过弹性件将振动传递至第一表面，进而传递给人体实现骨导传声。由于振动组件能够直接带动振膜向外振动发声，气流传出壳外的路径短，且无需在外壳内转变方向，因此能量损耗更小，发声效率更高。在同功率条件下提高骨导传声器的整体频域灵敏度，提升响度，在同响度条件下，可以节约能耗，降低成本。The bone-bone composite sound-generating device of the present invention includes a diaphragm for generating air-conducted sound and a first surface for transmitting vibration through the skin, and the vibration axis of the vibration component has a first component and a second component, and the first component is connected to the sound outlet. The axes are parallel or coincident, which can drive the diaphragm to vibrate and incite the air to produce sound. The second component points to the first surface, and can transmit the vibration to the first surface through the elastic member, and then transmit it to the human body to achieve bone conduction sound transmission. Since the vibration component can directly drive the diaphragm to vibrate outward to produce sound, the airflow has a short path out of the case and does not need to change direction within the case, so energy loss is smaller and sound generation efficiency is higher. Under the same power condition, the overall frequency domain sensitivity of the bone conduction microphone is improved, and the loudness is increased. Under the same loudness condition, energy consumption can be saved and costs can be reduced.
附图说明Description of the drawings
图1是本发明中一种实施例的骨气复合发声装置的立体图。Figure 1 is a perspective view of a bone-qi composite sound-generating device according to an embodiment of the present invention.
图2是本发明中一种实施例的外壳的立体图。Figure 2 is a perspective view of a housing according to an embodiment of the present invention.
图3是图1所示的骨气复合发声装置的侧视图。FIG. 3 is a side view of the bone-qi composite sound-generating device shown in FIG. 1 .
图4是沿图3中A-A剖切线剖得的剖视图。FIG. 4 is a cross-sectional view taken along line A-A in FIG. 3 .
图5是沿图3中B-B剖切线剖得的剖视图。FIG. 5 is a cross-sectional view taken along line B-B in FIG. 3 .
图6是本发明中一种实施例的振动组件的剖视图。Figure 6 is a cross-sectional view of a vibration assembly according to an embodiment of the present invention.
图7是本发明中一种实施例的振动组件的剖视图，图中线圈数量为两个。Fig. 7 is a cross-sectional view of a vibration component according to an embodiment of the present invention. The number of coils in the figure is two.
图8是图4中俯视方向上定子组件和导磁芯的端部的位置示意图。FIG. 8 is a schematic view of the position of the stator assembly and the end of the magnetic core in the top view direction in FIG. 4 .
图9是本发明中一种实施例的定子组件驱动振动组件沿第一分量运动的原理示意图。Figure 9 is a schematic diagram of the principle of the stator assembly driving the vibration assembly to move along the first component in an embodiment of the present invention.
图10是本发明中一种实施例的定子组件驱动振动组件沿第二分量运动的原理示意图。Figure 10 is a schematic diagram of the principle of the stator assembly driving the vibration assembly to move along the second component according to an embodiment of the present invention.
图11是本发明中一种实施例的定子组件和导磁芯端部的位置示意图。Figure 11 is a schematic diagram of the position of the stator assembly and the end of the magnetic core in an embodiment of the present invention.
图12是本发明中一种实施例的定子组件和导磁芯端部的位置示意图，图中第一磁极和第二磁极呈矩形。Figure 12 is a schematic diagram of the position of the stator assembly and the end of the magnetic core in an embodiment of the present invention. In the figure, the first magnetic pole and the second magnetic pole are rectangular.
图13是本发明中一种实施例的定子组件和导磁芯端部的位置示意图，图中第一磁极和第二磁极呈梯形。Figure 13 is a schematic view of the position of the stator assembly and the end of the magnetic core in an embodiment of the present invention. In the figure, the first magnetic pole and the second magnetic pole are trapezoidal.
图14是图8所示的定子组件的立体图。FIG. 14 is a perspective view of the stator assembly shown in FIG. 8 .
图15是图14所示的定子组件采用两个磁性件连接而成时的示意图。FIG. 15 is a schematic diagram of the stator assembly shown in FIG. 14 when two magnetic parts are connected.
图16是本发明中一种实施例的骨气复合发声装置的剖视图，图中第一表面和振动轴线倾斜设置。Figure 16 is a cross-sectional view of the bone-qi composite sound-generating device according to an embodiment of the present invention. In the figure, the first surface and the vibration axis are arranged at an angle.
图17是本发明中一种实施例的骨气复合发声装置的剖视图，图中骨气复合发声装置具有两个振膜。Figure 17 is a cross-sectional view of the Ing-Qi composite sound-generating device according to an embodiment of the present invention. In the figure, the Ing-Qi composite sound-generating device has two diaphragms.
图18是本发明中一种实施例的骨气复合发声装置的剖视图，图中骨气复合发声装置的振膜呈平板状。Figure 18 is a cross-sectional view of the Ing-Qi composite sound-generating device according to an embodiment of the present invention. In the figure, the diaphragm of the Ing-Qi composite sound-generating device is in the shape of a flat plate.
图19是图18所示的骨气复合发声装置振膜设有拱形部时的示意图。Fig. 19 is a schematic diagram of the diaphragm of the bone-chip composite sound-generating device shown in Fig. 18 when it is provided with an arched portion.
图20是图1所示的骨气复合发声装置未显示端盖和定子组件时的示意图。FIG. 20 is a schematic diagram of the bone-qi composite sound-generating device shown in FIG. 1 without showing the end cover and stator assembly.
具体实施方式Detailed ways
为使本申请的上述目的、特征和优点能够更为明显易懂，下面结合附图，对本申请的具体实施方式做详细的说明。可以理解的是，此处所描述的具体实施例仅用于解释本申请，而非对本申请的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本申请相关的部分而非全部结构。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。In order to make the above objects, features and advantages of the present application more obvious and easy to understand, the specific implementation modes of the present application will be described in detail below with reference to the accompanying drawings. It can be understood that the specific embodiments described here are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for convenience of description, only some but not all structures related to the present application are shown in the drawings. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.
本申请中的术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。The terms "including" and "having" and any variations thereof in this application are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes Other steps or units inherent to such processes, methods, products or devices.
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。Reference herein to "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art understand, both explicitly and implicitly, that the embodiments described herein may be combined with other embodiments.
如图1至图5所示，对应于本发明一种较佳实施例的骨气复合发声装置，其包括外壳1、定子组件2、振动组件3、振膜4和弹性件5。As shown in FIGS. 1 to 5 , a bone-chip composite sound-generating device corresponding to a preferred embodiment of the present invention includes a housing 1 , a stator assembly 2 , a vibration assembly 3 , a diaphragm 4 and an elastic member 5 .
如图2所示，外壳1包括出声孔10和用于向皮肤传递振动的第一表面11，通常的，外壳1包括面板12，面板12朝向人体皮肤的表面为第一表面11。As shown in Figure 2, the housing 1 includes a sound outlet 10 and a first surface 11 for transmitting vibration to the skin. Generally, the housing 1 includes a panel 12, and the surface of the panel 12 facing the human skin is the first surface 11.
进一步参考图3和图4，振膜4连接在振动组件3和外壳1之间，且与出声孔10对应设置。当振动组件3振动时，其带动振膜4振动，进而使得振膜4鼓动空气发声，声音能够从出声孔10发出。振膜4可以设置成封住出声孔10，也可以设置成不封住出声孔10，例如与出声孔10之间留有缝隙，又如直接在振膜4上设置小孔。一般的，当外壳1作为可穿戴设备最外侧的壳体时，此时由于出声孔10直接与外界接触，因此，振膜4通常需要设置成封住出声孔10，以起到防水防尘的效果。当骨气复合发声装置作为整体装入可穿戴设备的壳体内时，由于外壳1不与外界直接接触，此时，振膜4与出声孔10之间可以留有间隙，而在可穿戴设备的壳体上设置与出声孔10对应的孔位，并可在壳体上增设防护结构。Referring further to FIGS. 3 and 4 , the diaphragm 4 is connected between the vibration component 3 and the housing 1 , and is arranged corresponding to the sound outlet 10 . When the vibrating component 3 vibrates, it drives the diaphragm 4 to vibrate, thereby causing the diaphragm 4 to incite air and produce sound, and the sound can be emitted from the sound outlet 10 . The diaphragm 4 can be configured to seal the sound hole 10 , or it can be configured not to seal the sound hole 10 , for example, leaving a gap between the diaphragm 4 and the sound hole 10 , or directly providing a small hole on the diaphragm 4 . Generally, when the outer shell 1 is used as the outermost shell of the wearable device, the sound hole 10 is in direct contact with the outside world. Therefore, the diaphragm 4 usually needs to be configured to seal the sound hole 10 to prevent water from leaking. dust effect. When the bone-chip composite sound-generating device is installed into the casing of the wearable device as a whole, since the casing 1 is not in direct contact with the outside world, at this time, there can be a gap between the diaphragm 4 and the sound hole 10. The shell is provided with hole positions corresponding to the sound outlet 10, and a protective structure can be added to the shell.
第一表面11可以直接与人体皮肤接触或者间接与人体皮肤接触，例如在第一表面11设置软质层，通过软质层与人体皮肤接触，又如，当骨气复合发声装置作为整体装入可穿戴设备的壳体内时，可以将第一表面11设置成与该壳体接触，通过壳体与人体皮肤接触传递振动。当振动组件3在外壳1内振动时，其振动通过弹性件5传递至面板12，并通过第一表面11直接或者间接的传递给人体皮肤。The first surface 11 can be in direct contact with the human skin or indirectly in contact with the human skin. For example, a soft layer is provided on the first surface 11 and contacted with the human skin through the soft layer. For example, when the bone composite sound-producing device is installed as a whole, it can When the device is worn inside the casing, the first surface 11 can be arranged to be in contact with the casing, and the vibration is transmitted through the contact between the casing and human skin. When the vibration component 3 vibrates in the housing 1, its vibration is transmitted to the panel 12 through the elastic member 5, and directly or indirectly transmitted to the human skin through the first surface 11.
定子组件2设于外壳1内，且与外壳1相对固定，其可以与外壳1直接连接，也可以通过其他零件与外壳1间接连接。The stator assembly 2 is disposed in the housing 1 and is relatively fixed to the housing 1. It can be directly connected to the housing 1, or indirectly connected to the housing 1 through other parts.
如图4和图5所示，振动组件3设于外壳1内，其能够在定子组件2的驱动下沿着振动轴线3a振动，优选的，定子组件2通过电磁力驱动振动组件3沿着振动轴线3a振动。弹性件5连接在振动组件3和外壳1之间，能够将振动组件3的振动传递至外壳1，并通过弹力驱动振动组件3复位。可以理解的是，振动组件3的振动为往复振动，因此，其沿着振动轴线3a具有两个相反的振动方向，为叙述和示意方便，附图中仅示出了一个方向。As shown in Figures 4 and 5, the vibration component 3 is provided in the housing 1 and can vibrate along the vibration axis 3a driven by the stator component 2. Preferably, the stator component 2 drives the vibration component 3 to vibrate along the vibration axis 3a through electromagnetic force. Axis 3a vibrates. The elastic member 5 is connected between the vibration component 3 and the housing 1, and can transmit the vibration of the vibration component 3 to the housing 1, and drive the vibration component 3 to reset through elastic force. It can be understood that the vibration of the vibration component 3 is reciprocating vibration, so it has two opposite vibration directions along the vibration axis 3a. For convenience of description and illustration, only one direction is shown in the drawing.
振动轴线3a具有相互垂直的第一分量3b和第二分量3c，其中，第一分量3b与出声孔10的轴线100平行或重合，第二分量3c指向第一表面11。这样，振动组件3振动后，其沿着第一分量3b的振动能够驱动振膜4振动，从而鼓动空气发声，而其沿着第二分量3c的振动能够驱动第一表面11振动，当第一表面11与人体皮肤接触时，振动将被传递至人体，从而使人通过骨导的方式听到声音。由于振膜4振动后，气流能够直接从出声孔10发出，无需改变方向或者经过较长的传递路径，因此其能量损耗小，发声效率更高。另外，由于气流能够直接传递至外壳1外部，不会在外壳1内出现气流紊乱，有利于提高发声质量。The vibration axis 3a has a first component 3b and a second component 3c that are perpendicular to each other. The first component 3b is parallel to or coincident with the axis 100 of the sound hole 10 , and the second component 3c is directed to the first surface 11 . In this way, after the vibration component 3 vibrates, its vibration along the first component 3b can drive the diaphragm 4 to vibrate, thereby inciting the air to make sound, and its vibration along the second component 3c can drive the first surface 11 to vibrate. When the first When the surface 11 comes into contact with the human skin, the vibration will be transmitted to the human body, so that the human body can hear the sound through bone conduction. Since the diaphragm 4 vibrates, the airflow can be emitted directly from the sound outlet 10 without changing direction or going through a long transmission path, so its energy loss is small and the sound generation efficiency is higher. In addition, since the air flow can be directly transmitted to the outside of the housing 1, air flow turbulence will not occur within the housing 1, which is beneficial to improving the sound quality.
作为一种优选的实施方式，振动组件3包括导磁芯30和环绕在导磁芯30外周的线圈31，定子组件2与导磁芯30的端部相对间隔设置。线圈31通电后，导磁芯30的两端部（沿着线圈31轴线方向的两端分别为第一端部300和第二端部301）被极化成N极或者S极。可以理解的是，同一时刻，第一端部300和第二端部301的极性可以是相同的，也可以是相反的。在一些实施例中，如图6所示，线圈31的数量为一个，此时，当线圈31通电后，导磁芯30的第一端部300和第二端部301的极性相反，且随着通入线圈31内的电流方向的变化，第一端部300和第二端部301的极性也会变化。在一些实施例中，线圈31的数量为两个或两个以上，图7示出的实施例中，线圈31的数量为两个，且同一时刻通入两个线圈31内的电流方向相反，此时，第一端部300和第二端部301的极性始终相同。As a preferred embodiment, the vibration component 3 includes a magnetically permeable core 30 and a coil 31 surrounding the outer circumference of the magnetically permeable core 30 . The stator component 2 is relatively spaced from the end of the magnetically permeable core 30 . After the coil 31 is energized, the two ends of the magnetic core 30 (the two ends along the axis of the coil 31 are the first end 300 and the second end 301 respectively) are polarized into N poles or S poles. It can be understood that at the same moment, the polarities of the first end 300 and the second end 301 may be the same or opposite. In some embodiments, as shown in FIG. 6 , the number of coils 31 is one. At this time, when the coil 31 is energized, the polarities of the first end 300 and the second end 301 of the magnetic core 30 are opposite, and As the direction of the current flowing into the coil 31 changes, the polarities of the first end 300 and the second end 301 also change. In some embodiments, the number of coils 31 is two or more. In the embodiment shown in FIG. 7 , the number of coils 31 is two, and the current directions flowing into the two coils 31 at the same time are opposite. At this time, the polarities of the first end 300 and the second end 301 are always the same.
定子组件2包括与导磁芯30的同一端部相对设置的第一磁极20和第二磁极21，第一磁极20和第二磁极21沿着振动轴线3a布置，且两者的极性相反，这样，导磁芯30的端部一侧受到吸引力，另一侧受到排斥力，形成驱使其沿着振动轴线3a振动的驱动力。The stator assembly 2 includes a first magnetic pole 20 and a second magnetic pole 21 opposite to the same end of the magnetic core 30. The first magnetic pole 20 and the second magnetic pole 21 are arranged along the vibration axis 3a, and their polarities are opposite. In this way, one end of the magnetic permeable core 30 receives an attractive force and the other end receives a repulsive force, forming a driving force that drives it to vibrate along the vibration axis 3a.
定子组件2的数量可以是一组或者两组，优选的，骨气复合发声装置包括两组定子组件2，两组定子组件2分别与导磁芯30的两端部相对间隔设置，这样，导磁芯30的两端受力更为均衡，且沿着线圈31和导磁芯30轴线方向的力（图4中上下方向）被抵消，导磁芯30能够更好的沿着振动轴线3a振动。The number of stator assemblies 2 may be one set or two sets. Preferably, the bone composite sound-generating device includes two sets of stator assemblies 2. The two sets of stator assemblies 2 are respectively spaced apart from the two ends of the magnetic permeable core 30. In this way, the magnetic conductive core 30 is The forces at both ends of the core 30 are more balanced, and the forces along the axis of the coil 31 and the permeable core 30 (the up and down direction in Figure 4) are offset, and the permeable core 30 can better vibrate along the vibration axis 3a.
优选的，第一磁极20和第二磁极21朝向导磁芯30的端面的几何中心的连线24与振动轴线3a平行，这样，以第一端部300为例，在水平方向上，第一磁极20对第一端部300的磁力和第二磁极21对第一端部300的磁力的合力的方向大致与连线24的方向一致，可以高效地驱动导磁芯30沿着振动轴线3a振动。参考图9和图10，图9和图10是应用有图8所示的骨传导发声装置的两个垂直方向的剖视图，图9示出的情形中，第一端部300和第二端部301分别被极化为N极和S极，第一端部300上方的两个磁极从左至右分别为N极和S极，第二端部301下方的两个磁极分别为S极和N极，上下的两个第一磁极20的极性相反，两个第二磁极21的极性也相反，这样，定子组件2将对导磁芯30的两端产生向右（即第一分量3b方向）的水平分力。同时，参考图10，在另一视向上，第一端部300上方的两个磁极从左至右分别为N极和S极，第二端部301下方的两个磁极从左至右分别为S极和N极，定子组件2将对导磁芯30的两端产生向右（即第二分量3c方向）的水平分力，进而使得振动组件3沿着振动方向3a振动。Preferably, the line 24 connecting the first magnetic pole 20 and the second magnetic pole 21 toward the geometric center of the end surface of the magnetic core 30 is parallel to the vibration axis 3a. In this way, taking the first end 300 as an example, in the horizontal direction, the first The direction of the resultant force of the magnetic force of the magnetic pole 20 on the first end 300 and the magnetic force of the second magnetic pole 21 on the first end 300 is generally consistent with the direction of the connecting line 24, which can efficiently drive the magnetic core 30 to vibrate along the vibration axis 3a. . Referring to Figures 9 and 10, Figures 9 and 10 are cross-sectional views in two vertical directions using the bone conduction sound device shown in Figure 8. In the case shown in Figure 9, the first end 300 and the second end 301 are polarized into N pole and S pole respectively. The two magnetic poles above the first end 300 are N pole and S pole respectively from left to right. The two magnetic poles below the second end 301 are S pole and N pole respectively. The polarity of the two first magnetic poles 20 above and below is opposite, and the polarity of the two second magnetic poles 21 is also opposite. In this way, the stator assembly 2 will produce a rightward (i.e. first component 3b) at both ends of the magnetic core 30. direction) horizontal component of force. At the same time, referring to Figure 10, in another viewing direction, the two magnetic poles above the first end 300 are N pole and S pole respectively from left to right, and the two magnetic poles below the second end 301 are respectively N pole and S pole from left to right. S pole and N pole, the stator assembly 2 will generate a horizontal component force to the right (that is, the direction of the second component 3c) at both ends of the magnetic core 30, thereby causing the vibration assembly 3 to vibrate along the vibration direction 3a.
可以理解的是，在导磁芯30两端被极化成相同的极性时，上下的两个第一磁极20极性相同，上下的两个第二磁极21的极性相同，优选上下的两组定子组件2对称设置，以使得两组定子组件2产生的水平方向的驱动力方向一致。It can be understood that when both ends of the magnetic core 30 are polarized to the same polarity, the two upper and lower first magnetic poles 20 have the same polarity, and the two upper and lower second magnetic poles 21 have the same polarity. Preferably, the upper and lower two first magnetic poles 20 have the same polarity. The stator assemblies 2 are arranged symmetrically so that the horizontal driving force generated by the stator assemblies 2 is in the same direction.
优选的，第一磁极20和第二磁极21沿着线圈31的轴线方向的投影至少部分位于导磁芯30的外部，如图11所示，第一磁极20超出导磁芯30的下端和右端，第二磁极21超出导磁芯30的上端和左端。Preferably, the projection of the first magnetic pole 20 and the second magnetic pole 21 along the axis direction of the coil 31 is at least partially located outside the magnetically conductive core 30. As shown in FIG. 11, the first magnetic pole 20 exceeds the lower end and right end of the magnetically conductive core 30. , the second magnetic pole 21 exceeds the upper end and left end of the magnetic core 30 .
作为一种优选的实施方式，如图8和图11所示，沿着第一分量3b，第一磁极20的截面积逐渐增大，第二磁极21的截面积逐渐缩小，沿着第二分量3c，第一磁极20的截面积逐渐缩小，第二磁极21的截面积逐渐增大。这样，第一磁极20对第一端部300的作用力的位置偏向于右下方，第二磁极21对第一端部300的作用力的位置偏向于左上方，能够驱动振动组件3沿着振动轴线3a振动。As a preferred implementation, as shown in Figures 8 and 11, along the first component 3b, the cross-sectional area of the first magnetic pole 20 gradually increases, and the cross-sectional area of the second magnetic pole 21 gradually decreases. Along the second component 3b 3c, the cross-sectional area of the first magnetic pole 20 gradually decreases, and the cross-sectional area of the second magnetic pole 21 gradually increases. In this way, the position of the force exerted by the first magnetic pole 20 on the first end 300 is biased to the lower right, and the position of the force exerted by the second magnetic pole 21 on the first end 300 is biased toward the upper left, which can drive the vibration component 3 to vibrate along the Axis 3a vibrates.
第一磁极20和第二磁极21的形状不限，图8和图11示出的实施例中，第一磁极20和第二磁极21均呈三角形，且两者中心对称设置，这样，两个磁极对导磁芯30端部的作用力更为均衡。图8示出的实施例中，第一磁极20和第二磁极21均呈直角三角形，两者的斜边相贴合，第一磁极20和第二磁极21配合形成矩形。图12示出的实施例中，第一磁极20和第二磁极21呈矩形，沿着振动方向3a排列。图13示出的实施例中，第一磁极20和第二磁极21呈梯形，两者配合形成矩形。The shapes of the first magnetic pole 20 and the second magnetic pole 21 are not limited. In the embodiment shown in FIGS. 8 and 11 , the first magnetic pole 20 and the second magnetic pole 21 are triangular, and they are arranged symmetrically about the center. In this way, the two The force exerted by the magnetic poles on the end of the magnetic core 30 is more balanced. In the embodiment shown in FIG. 8 , the first magnetic pole 20 and the second magnetic pole 21 are both in the shape of a right-angled triangle, and their hypotenuses are in contact with each other. The first magnetic pole 20 and the second magnetic pole 21 cooperate to form a rectangular shape. In the embodiment shown in Figure 12, the first magnetic pole 20 and the second magnetic pole 21 are rectangular and arranged along the vibration direction 3a. In the embodiment shown in FIG. 13 , the first magnetic pole 20 and the second magnetic pole 21 are trapezoidal, and they cooperate to form a rectangular shape.
在一些实施例中，第一磁极20和第二磁极21为一个磁性件的两个不同的磁极，以图8和图14示出的实施例为例，第一磁极20和第二磁极21属于同一个磁性件的两个不同的部分，两者之间以对角线为分界线，分界线两侧分别为该磁性件的两极。在一些实施例中，第一磁极20和第二磁极21属于两个不同的磁性件，如图15所示，定子组件2包括第一磁性件22和第二磁性件23，第一磁性件22和第二磁性件23的充磁方向相反，两者本身都具有N极和S极，N极和S极在图中以虚线为界分开。第一磁性件22朝向导磁芯30的端部的磁极为第一磁极20，第二磁性件23朝向导磁芯30的端部的磁极为所述第二磁极21。当采用两个磁性件时，两个磁性件可以间隔设置，不一定需要贴合在一起。In some embodiments, the first magnetic pole 20 and the second magnetic pole 21 are two different magnetic poles of a magnetic piece. Taking the embodiments shown in FIG. 8 and FIG. 14 as an example, the first magnetic pole 20 and the second magnetic pole 21 belong to Two different parts of the same magnetic part, with a diagonal line as the dividing line between them, and the two sides of the dividing line are the two poles of the magnetic part. In some embodiments, the first magnetic pole 20 and the second magnetic pole 21 belong to two different magnetic parts. As shown in FIG. 15 , the stator assembly 2 includes a first magnetic part 22 and a second magnetic part 23 . The first magnetic part 22 Opposite to the magnetization direction of the second magnetic member 23, both have N poles and S poles. The N poles and S poles are separated by a dotted line in the figure. The magnetic pole at the end of the first magnetic member 22 facing the magnetic core 30 is the first magnetic pole 20 , and the magnetic pole at the end of the second magnetic member 23 facing the magnetic core 30 is the second magnetic pole 21 . When two magnetic parts are used, the two magnetic parts can be arranged at intervals and do not necessarily need to be attached together.
作为一种优选的实施方式，第一表面11至少部分与人体接触的部分为平面，第二分量3c与该平面垂直或者倾斜设置。图5示出的实施例中，第一表面11整体呈平面状，第二分量3c与第一表面11垂直。图16示出的实施例中，面板12是不等厚的，其厚度自下至上逐渐缩小，第二分量3c与面板12的第二表面15垂直，与第一表面11倾斜设置。优选的，在第二分量3c与第一表面11的平面部分倾斜时，第二分量3c与该平面的法线110之间的夹角α小于等于45°，进一步优选为小于等于30°，进一步优选为小于等于15°，更进一步的优选为小于等于5°。As a preferred embodiment, at least part of the first surface 11 that is in contact with the human body is a plane, and the second component 3c is arranged perpendicularly or obliquely to the plane. In the embodiment shown in FIG. 5 , the first surface 11 is flat as a whole, and the second component 3 c is perpendicular to the first surface 11 . In the embodiment shown in FIG. 16 , the panel 12 has unequal thicknesses, and its thickness gradually decreases from bottom to top. The second component 3c is perpendicular to the second surface 15 of the panel 12 and is arranged obliquely to the first surface 11 . Preferably, when the second component 3c is inclined to the plane portion of the first surface 11, the angle α between the second component 3c and the normal line 110 of the plane is less than or equal to 45°, further preferably less than or equal to 30°, and further It is preferably 15° or less, and more preferably 5° or less.
如图1和图4所示，外壳1包括壳体14，壳体14具有上下两个开口端，以便于安装内部的零部件，外壳1还包括两个端盖16，两个端盖16分别连接在两个开口端处。这样，振动组件3可以通过开口端安装至壳体14内。定子组件2固定连接在端盖16朝向振动组件3的表面上。As shown in Figures 1 and 4, the housing 1 includes a housing 14. The housing 14 has two open ends at the upper and lower ends to facilitate the installation of internal components. The housing 1 also includes two end caps 16. The two end caps 16 are respectively Attached at both open ends. In this way, the vibration assembly 3 can be installed into the housing 14 through the open end. The stator assembly 2 is fixedly connected to the surface of the end cover 16 facing the vibration assembly 3 .
外壳1包括与第一表面11相邻的侧面13，出声孔10设置在侧面13上。图4和图5示出的实施例中，壳体14的截面呈U形，其通过三个板体连接而成，其中一个板体为用于向人体传递振动的面板12，与之相邻的缺口端形成出声孔10。由于面板12和出声孔10相垂直，因此在面板12与人脸部皮肤贴合时，出声孔10可以自然的朝向耳朵所在侧，向着耳朵所在侧发声，能够提高响度，降低漏音。壳体14的截面除了设置成U形外，还可以设置成矩环形，此时其通过四个板体连接而成，其中一个板体为面板12，与之相邻的板体上设置有出声孔10，该板体的表面即为侧面13。可以理解的是，壳体14的截面还可以设置成其他的形状，例如圆环形等。The housing 1 includes a side 13 adjacent to the first surface 11 , and the sound outlet 10 is provided on the side 13 . In the embodiment shown in Figures 4 and 5, the cross-section of the housing 14 is U-shaped and is connected by three plates. One of the plates is a panel 12 for transmitting vibration to the human body. It is adjacent to it. A sound hole 10 is formed at the notched end. Since the panel 12 and the sound hole 10 are perpendicular to each other, when the panel 12 fits the human facial skin, the sound hole 10 can naturally face the side of the ear and emit sound toward the side of the ear, which can increase the loudness and reduce sound leakage. In addition to being U-shaped, the cross-section of the housing 14 can also be set in a rectangular ring shape. In this case, it is formed by connecting four plates, one of which is the panel 12, and the adjacent plate is provided with an outlet. Sound hole 10, the surface of the plate is the side 13. It can be understood that the cross section of the housing 14 can also be set in other shapes, such as annular shape, etc.
为了便于振膜4振动，参考图4，外壳1还开设有连通其内部和外界的通气孔17，当振膜4振动时，外壳1内部的气压能够通过通气孔17进行平衡。In order to facilitate the vibration of the diaphragm 4, referring to Figure 4, the housing 1 is also provided with a vent hole 17 that connects the inside of the diaphragm 4 with the outside world. When the diaphragm 4 vibrates, the air pressure inside the housing 1 can be balanced through the vent hole 17.
进一步地，振膜4的数量不限于是一个，如图17所示，外壳1开设有两个相对设置的出声孔10，骨气复合发声装置包括两个连接于振动组件3相对两侧的振膜4，振膜4分别封住两个出声孔10。在振动组件3振动时，其同时带动两个振膜4振动，能够向两侧发声。Further, the number of diaphragms 4 is not limited to one. As shown in Figure 17, the housing 1 is provided with two oppositely arranged sound holes 10. The bone composite sound-generating device includes two vibrators connected to opposite sides of the vibrator component 3. The membrane 4 and the diaphragm 4 seal the two sound holes 10 respectively. When the vibration component 3 vibrates, it drives the two diaphragms 4 to vibrate at the same time, and can emit sound to both sides.
振膜4的形状不限，在一些实施例中，如图4所示，振膜4呈锥状，其与出声孔10相连接的部分的尺寸大于与振动组件3相连接的部分的尺寸。在一些实施例中，振膜4呈片状，例如图18示出的实施例中，振膜4呈平片状，图19示出的实施例中，振膜4还设置有环状的拱形部40，便于振膜4变形。The shape of the diaphragm 4 is not limited. In some embodiments, as shown in FIG. 4 , the diaphragm 4 is cone-shaped, and the size of the part connected to the sound outlet 10 is larger than the size of the part connected to the vibration component 3 . In some embodiments, the diaphragm 4 is in the shape of a sheet. For example, in the embodiment shown in FIG. 18 , the diaphragm 4 is in the shape of a flat sheet. In the embodiment shown in FIG. 19 , the diaphragm 4 is also provided with an annular arch. The shaped portion 40 facilitates the deformation of the diaphragm 4.
作为一种优选的实施方式，弹性件5优选为弹片，其整体呈片状。如图20所示，弹性件5包括与外壳1相对固定的外支架50、与振动组件3相连的内支架51以及连接在外支架50和内支架51之间的弹性臂52。如图1和图20所示，外支架50呈环状，且夹持于端盖16和壳体14之间。弹性件5的数量优选为两个，两个弹性件5分别连接在振动组件3的两端。弹性臂52能够发生弹性变形，其被设置成至少能够沿着振动轴线3a发生弹性变形，以使得振动组件3能够在电磁力的作用下振动。弹性件5除了与振动轴线3a平行设置之外，还可以设置成与振动轴线3a垂直，还可以视情况设置成与第一分量3b或者第二分量3c平行。在一些实施例中，如图4所示，振动组件3还包括连接在导磁芯30和内支架51之间的间隔片32，间隔片32优选不超出内支架51的外轮廓，以防止其与弹性臂52干涉。间隔片32可以是独立的零件，也可以是与导磁芯30一体成型的。As a preferred embodiment, the elastic member 5 is preferably an elastic piece, which is in the shape of a sheet as a whole. As shown in FIG. 20 , the elastic member 5 includes an outer bracket 50 that is relatively fixed to the housing 1 , an inner bracket 51 connected to the vibration component 3 , and an elastic arm 52 connected between the outer bracket 50 and the inner bracket 51 . As shown in FIGS. 1 and 20 , the outer bracket 50 is annular and is clamped between the end cover 16 and the housing 14 . The number of elastic members 5 is preferably two, and the two elastic members 5 are connected to both ends of the vibration component 3 respectively. The elastic arm 52 is capable of elastic deformation, and is configured to be capable of elastic deformation at least along the vibration axis 3 a, so that the vibration component 3 can vibrate under the action of electromagnetic force. In addition to being arranged parallel to the vibration axis 3a, the elastic member 5 can also be arranged perpendicular to the vibration axis 3a, and can also be arranged parallel to the first component 3b or the second component 3c as appropriate. In some embodiments, as shown in Figure 4, the vibration assembly 3 also includes a spacer 32 connected between the magnetic core 30 and the inner bracket 51. The spacer 32 preferably does not exceed the outer contour of the inner bracket 51 to prevent it from interferes with the elastic arm 52. The spacer 32 may be an independent part, or may be integrally formed with the magnetic core 30 .
在一些实施例中，弹性件5的外支架50和内支架51被设置成沿着导磁芯30的轴线方向间隔设置，内支架51更为靠近导磁芯30，其直接与导磁芯30的端部相连。In some embodiments, the outer bracket 50 and the inner bracket 51 of the elastic member 5 are arranged at intervals along the axial direction of the magnetic core 30 , and the inner bracket 51 is closer to the magnetic core 30 and is directly connected to the magnetic core 30 The ends are connected.
本发明还提出了一种可穿戴设备，其包括上文所述的骨气复合发声装置。可穿戴设备例如可以是骨传导耳机、助听器、骨传导眼镜、VR眼镜、头盔等。The present invention also proposes a wearable device, which includes the bone-qi composite sound-generating device described above. Wearable devices may be, for example, bone conduction headphones, hearing aids, bone conduction glasses, VR glasses, helmets, etc.
在一些实施例中，骨气复合发声装置的外壳1作为可穿戴设备的最外侧的壳体，与外界直接接触，此时，振膜4优选设置成封住出声孔10。在出声孔10和通气孔17外部可以增设防护结构，例如金属网或者塑料网等部件。In some embodiments, the shell 1 of the bone-chip composite sound-generating device serves as the outermost shell of the wearable device and is in direct contact with the outside world. In this case, the diaphragm 4 is preferably configured to seal the sound hole 10 . A protective structure, such as a metal mesh or plastic mesh, can be added outside the sound outlet 10 and the ventilation hole 17 .
在另一些实施例中，骨气复合发声装置作为整体安装在可穿戴设备的壳体内，不与外界直接接触，此时，振膜4可以设置成密封出声孔10也可以不密封出声孔10，在壳体上与出声孔10和通气孔17对应的位置设置有通孔，以供声波传出，同样的，通孔处可以设置防护结构。In other embodiments, the Guqi composite sound-generating device is installed as a whole in the casing of the wearable device and is not in direct contact with the outside world. In this case, the diaphragm 4 can be configured to seal the sound hole 10 or not to seal the sound hole 10 , a through hole is provided on the shell at a position corresponding to the sound outlet hole 10 and the ventilation hole 17 for sound waves to transmit. Similarly, a protective structure can be provided at the through hole.
上述仅为本发明的具体实施方式，其它基于本发明构思的前提下做出的任何改进都视为本发明的保护范围。The above are only specific embodiments of the present invention, and any other improvements made based on the concept of the present invention are deemed to be within the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310753326.0ACN116506776B (en) | 2023-06-26 | 2023-06-26 | A bone-qi composite sound-producing device and wearable device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310753326.0ACN116506776B (en) | 2023-06-26 | 2023-06-26 | A bone-qi composite sound-producing device and wearable device |
| Publication Number | Publication Date |
|---|---|
| CN116506776A CN116506776A (en) | 2023-07-28 |
| CN116506776Btrue CN116506776B (en) | 2023-10-31 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310753326.0AActiveCN116506776B (en) | 2023-06-26 | 2023-06-26 | A bone-qi composite sound-producing device and wearable device |
| Country | Link |
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| CN (1) | CN116506776B (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112995825A (en)* | 2019-12-13 | 2021-06-18 | 深圳市韶音科技有限公司 | Sound output device |
| CN217388948U (en)* | 2021-12-29 | 2022-09-06 | 深圳市韶音科技有限公司 | an acoustic output device |
| WO2022213456A1 (en)* | 2021-04-09 | 2022-10-13 | 深圳市韶音科技有限公司 | Acoustic output apparatus |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112995825A (en)* | 2019-12-13 | 2021-06-18 | 深圳市韶音科技有限公司 | Sound output device |
| WO2022213456A1 (en)* | 2021-04-09 | 2022-10-13 | 深圳市韶音科技有限公司 | Acoustic output apparatus |
| CN217388948U (en)* | 2021-12-29 | 2022-09-06 | 深圳市韶音科技有限公司 | an acoustic output device |
| Publication number | Publication date |
|---|---|
| CN116506776A (en) | 2023-07-28 |
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| TR01 | Transfer of patent right | Effective date of registration:20241015 Address after:Room 101, 201, 301, 401, Block B, Building 2, No. 69 Jiepu Road, Industrial Park, Suzhou City, Jiangsu Province, 215000 Patentee after:Suzhou Suoye Electronic Technology Co.,Ltd. Country or region after:China Address before:Room F1-A-1028, Building A2, No. 8, Qicun Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province, 215000 Patentee before:Suzhou Mojue Intelligent Electronics Co.,Ltd. Country or region before:China |