Patent Application
20230100237
The present invention relates to the technical field of electronic devices, in particular to a multifunctional sounding device.
With the development of electronic technology, portable consumer electronic devices are more and more sought after by people, such as mobile phones, handheld game consoles, navigation devices or handheld multimedia entertainment devices, etc. These electronic devices generally provide system feedback through voice and/or vibration, such as incoming call prompts from mobile phones, navigation prompts, and vibration feedback from game consoles.
In the prior art, the vibration feedback and the voice feedback of the electronic device are completed by different devices respectively, but the development trend of the electronic device is to be short, light and thin, and the more devices, the less conducive to the reduction of the size of the electronic device.
The purpose of the present invention is to provide a multifunctional sounding device, which has both a vibration feedback function and a voice feedback function, and which is beneficial to reduce the volume of the electronic device.
To achieve the object mentioned above, the present invention provides a multifunctional sounding device comprising:
As an optional improvement, a polarity of one end of the main magnet toward the driving coil is opposite to a polarity of one end of the secondary magnet toward the driving coil.
As an optional improvement, the first side edge and the second side edge cooperatively form a wire winding hole, and in the first direction, the wire winding hole is located opposite to the magnetic gap.
As an optional improvement, the weight has a mounting groove for fixing the driving coil; the first side edge and the second side edge together form a wire winding hole; a groove bottom of the mounting groove protrudes and forms a positioning part for being aligned and assembled into the wire winding hole.
As an optional improvement, the magnetic circuit system further comprises a yoke fixedly connected with the main magnet and the secondary magnet; the yoke includes an avoidance space; the first side edge is spaced from the main magnet through the avoidance space; the second side edge is spaced from the secondary magnet by the avoidance space.
As an optional improvement, in the first direction, the yoke part is located inside the mounting groove.
As an optional improvement, the weight comprises a motherboard part formed with the mounting groove, and a side panel part formed by bending and extending in a direction toward the sounding unit from opposite two ends of the motherboard part disposed in the third direction; the third direction is perpendicular to the first direction and the second direction; an outer edge of the end face of the secondary magnet facing the driving coil is formed with an inverted angle opening; the side panel part comprises a first part located on the peripheral side of the sounding unit and a second part extending from the motherboard part and opening relative to the inverted angle to connect with the first part.
As an optional improvement, the multifunctional sounding device further comprises a frame; wherein the vibration system comprises a voice coil, an upper diaphragm and a dome inserted in the magnetic gap; the upper diaphragm comprises a first folded circular part, a first outer flipped edge extending from the outer edge of the first folded circular part, and a first inner flipped edge extending from the inner edge of the first folded circular part; the first outer flipped edge is fixed to the frame; the first inner flipped edge is fixed on the dome, and the dome is fixedly connected with the voice coil.
As an optional improvement, the multifunctional sounding device further comprising a frame; wherein the vibration system comprises a voice coil inserted in the magnetic gap, an upper diaphragm, a lower diaphragm located opposite to the upper diaphragm along the first direction, and a skeleton located between the upper diaphragm and the lower diaphragm.
The skeleton comprises a main body part, a first bended part bending and extending from the inner edge of the main body part, and a second bended part bending and extending from the outer edge of the main body part, and the voice coil is fixed to the first bended part; the upper diaphragm comprises a first folded circular part, a first outer flipped edge extending from the outer edge of the first folded circular part, and a first inner flipped edge extending from the inner edge of the first folded circular part.
The first outer flipped edge is fixed to the frame; the first inner flipped edge is fixed on the main body part of the skeleton; the lower diaphragm comprises a second folded circular part disposed opposite to the first folded circular part, a second outer flipped edge extending from the outer edge of the second folded circular part, and a second inner flipped edge extending from the inner edge of the second folded circular part; the second outer flipped edge is fixed to the end face of the frame away from the first outer flipped edge; the second inner flipped edge is fixed to the second bended part.
As an optional improvement, the upper diaphragm further comprises a third folded circular part disposed inside the first folded circular part, and a third outer flipped edge extending from the outer edge of the third folded circular part, and a third inner flipped edge extending from the inner edge of the third folded circular part; the sounding unit also comprises a positioning ring sleeved on the magnetic circuit system; and wherein, the third outer flipped edge is fixed on the main body part of the skeleton; the third inner flipped edge is fixed on the positioning ring.
As an optional improvement, the vibration system further comprises a dome set on the main body part, and the dome is located inside the first inner flipped edge.
Many aspects of the exemplary embodiments can be better understood with reference to the following drawings. The components in the drawing are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present disclosure.
The present disclosure will hereinafter be described in detail with reference to several exemplary embodiments. To make the technical problems to be solved, technical solutions and beneficial effects of the present disclosure more apparent, the present disclosure is described in further detail together with the figures and the embodiments. It should be understood the specific embodiments described hereby are only to explain the disclosure, not intended to limit the disclosure.
It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms “comprising” and/or “including” are used in this description, it indicates the presence of features, steps, operations, devices, components and/or combinations thereof.
The present invention will be further described below with reference to the accompanying drawings and embodiments. The present invention provides a multifunctional sounding device 100, which can be used in electronic equipment, and can play a feedback prompting function by sounding, and can also play a feedback prompting role by vibrating. Referring to
Wherein, the sounding unit 20 comprises a vibration system 21 and a magnetic circuit system 22 that drives the vibration system 21 to vibrate and sound in the first direction. The magnetic circuit system 22 comprises a main magnet 221 and a secondary magnet 222 disposed around the main magnet 221 to form a magnetic gap 22a. The vibration system 21 comprises a voice coil 211 inserted in the magnetic gap 22a. The voice coil 211 vibrates under the action of the main magnet 221 and the secondary magnet 222 to realize the vibration of the entire vibration system 21, so as to realize the voice feedback prompt of the device.
Referring to
Referring to
wherein, as shown in
In the present invention, the weight 30 is suspended in the containment cavity 10a by the elastic assembly 40, and then the driving coil 50 is fixed on the weight 30. The first side edge 51 of the driving coil 50 is disposed opposite to the main magnet 221 with a space along the first direction (vibration direction of the vibration system 21). The second side edge 52 of the driving coil 50 is set opposite to the secondary magnet 222 with a space along the first direction. Therefore, the weight 30 can vibrate along the second direction perpendicular to the first direction together with the driving coil 50 under the interaction of the main magnet 221, the secondary magnet 222 and the driving coil 50. That is to say, the whole driving coil 50 and the weight 30 are used as a vibrator, and the sounding unit 20 with the main magnet 221 and the secondary magnet 222 is used as a stator. The interaction force between the driving coil 50 and the main magnet 221 and the secondary magnet 222 makes the driving coil 50 vibrate together with the weight 30 to realize the vibration feedback of the device. The device in the technical solution has both a vibration feedback function and a voice feedback function, which is beneficial to reducing the volume of the electronic device.
It should be noted that the polarity of the end of the main magnet 221 toward the driving coil 50 is opposite to the polarity of the end of the secondary magnet 222 toward the driving coil 50, so that the driving coil 50 can vibrate.
In some specific embodiments, referring to
wherein, the number of the driving coils 50 may be one or more. As shown in
The relative area between the driving coil 50 and the main magnet 221 and the relative area between the driving coil 50 and the secondary magnet 222 can be increased by increasing the number of the driving coils 50 in a limited space,. Therefore, the interaction force between the driving coil 50 and the main magnet 221, the secondary magnet 222 increases.
In one embodiment, referring to
In some specific embodiments, the first elastic arm 411 and the third elastic arm 421 are disposed on both sides of the weight 30 along the third direction. The second elastic arm 412 and the fourth elastic arm 422 are located on both sides of the weight 30 along the third direction. The first connection arm 413 and the second connection arm 423 are located at both ends of the weight 30 along the second direction. Thus, the stable support of the weight 30 by the elastic assembly 40 is realized.
In some specific embodiments, the first elastic arm 411 can be connected with the housing body 10 through a sticking member with stickiness. The second elastic arm 412 can be connected to the weight 30 through the sticking member with stickiness.
The third elastic arm 421 can be connected to the housing body 10 through the sticking member with stickiness. The fourth elastic arm 422 can be connected with the weight 30 through the sticking member with stickiness.
The following is an example of the structure of the sounding unit 20:
In one embodiment, referring to
In another embodiment, referring to
The upper diaphragm 212 comprises a first folded circular part 2121, a first outer flipped edge 2122 extending from the outer edge of the first folded circular part 2121, and a first inner flipped edge 2123 extending from the inner edge of the first folded circular part 2121. The first outer flipped edge 2122 is fixed on the frame 23. The first inner flipped edge 2123 is fixed on the main body part 2131 of the skeleton 213. The lower diaphragm 215 comprises a second folded circular part 2151 disposed opposite to the first folded circular part 2121, a second outer flipped edge 2152 extending from the outer edge of the second folded circular part 2151, and a second inner flipped edge 2153 extending from the inner edge of the second folded circular part 2151. The second outer flipped edge 2152 is fixed on the end surface of the frame 23 away from the first outer flipped edge 2122. The second inner flipped edge 2153 is fixed to the second bended part 2133.
In addition, the vibration system 21 also comprises a dome 214 on the main body part 2131 of the skeleton 213, and the dome 214 is located inside the first inner flipped edge 2123. The strength of the skeleton 213 can be strengthened by the dome 214, the torsion resistance and the anti-sway ability of the skeleton 213 are improved, and the acoustic performance of the sounding unit 20 is improved.
Referring to
In this way, the first connection arm 413 and the second connection arm 423 are moved away from the inner wall of the housing body 10. The distance between the first connection arm413 and the housing body 10 and the distance between the second connection arm 423 and the housing body 10 increase. As a result, the space of the rear cavity is increased, which can be used to fill the sound absorbing powder and improve the acoustic performance of the device.
Wherein, the sounding unit 20 further comprises a flexible circuit board 25 for electrical connection with the voice coil 211. The flexible circuit board 25 comprises a first fixed arm 251 fixed to the second outer flipped edge 2152, a second fixed arm 252 fixed to the second inner flipped edge 2153, a spring arm 253 connected between the first fixed arm 251 and the second fixed arm 252.
In another embodiment, referring to
The second outer flipped edge 2152 is fixed on the end surface of the frame 23 away from the first outer flipped edge 2122. The second inner flipped edge 2153 is fixed to the second bended part 2133. The upper diaphragm 212 further comprises a third folded circular part 2124 disposed inside the first folded circular part 2121, a third outer flipped edge 2125 formed by extending from the outer edge of the third folded circular part 2124, and a third inner flipped edge 2126 formed by extending from the inner edge of the third folded circular part 2124. The sounding unit 20 further comprises a positioning ring 24 sleeved on the magnetic circuit system 22. Wherein, the third outer flipped edge 2125 is fixed on the main body part 2131 of the skeleton 213. The third inner flipped edge 2126 is fixed on the positioning ring 24.
Referring to
The second connection arm 423 may be located on the side of the other second folded circular part 2151 away from the first folded circular part 2121. In this way, the first connection arm 413 and the second connection arm 423 can move away from the inner wall of the housing body 10, thereby increasing the distance between the first connection arm 413 and the housing body 10 and the distance between the second connection arm 423 and the housing body 10, Thereby the space of the rear cavity is increased, the space can be used to fill the sound absorbing powder and improve the acoustic performance of the device.
The sounding unit 20 also comprises a flexible circuit board 25 for electrical connection with the voice coil 211. The flexible circuit board 25 comprises a first fixed arm 251 fixed to the second outer flipped edge 2152, a second fixed arm 252 fixed to the second inner flipped edge 2153, and a spring arm 253 connected between the first fixed arm 251 and the second fixed arm 252.
In one embodiment, referring to
Further, the groove bottom of the mounting groove 311 protrudes and forms a positioning part 312 for aligned and assembled into the wire winding hole 50a. The positioning part 312 is used to realize the quick positioning and installation of the driving coil 50.
Referring to
The two side panel parts 32 are formed by bending and extending both ends of the motherboard part 31 along the third direction, and the side panel parts 32 are extended in the direction toward the sounding unit 20. That is, the side panel part 32 is accommodated by the space formed by the weight 30 and the housing body 10 in the third direction, and the space formed by the sounding unit 20 and the housing body 10 in the third direction. Thereby an increase in the weight of the weight 30 can be achieved. On the other hand, the assembly of the weight 30 relative to the sounding unit 20 can be guided by the two side panel parts 32, thereby improving the assembly speed and quality.
In some specific embodiments, referring to
wherein, the magnetic circuit system 22 further comprises a yoke 223 for fixedly connecting the main magnet 221 and the secondary magnet 222. The avoidance space 2231 is formed on the yoke 223. The first side edge 51 is set opposite to the main magnet 221 with a space through the avoidance space 2231. The second side edge 52 is set opposite to the secondary magnet 222 with a space through the avoidance space 2231.
In some specific embodiments, referring to
Furthermore, the yoke 223 is located between two of the driving coils 50, and the middle part of the yoke 223 is fixedly connected to the main magnet 221. Both ends of the yoke 223 are fixedly connected to the secondary magnet 222 respectively.
Referring to
In addition, referring to
In some specific embodiments, the upper magnet 226 comprises a base part 2261 abutting on the main pole core 224 and a top part 2262 protruding from the middle of the base part 2261 in a direction away from the main pole core 224. The positioning ring 24 surrounds the top part 2262 and abuts on the top part 2262. Thus, a stable setting of the positioning ring 24 is achieved.
It should be noted that the terms “first”, “second” and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the invention described herein can, for example, be practiced in sequences other than those illustrated or described herein. Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units expressly listed. Rather, other steps or units not expressly listed or inherent to the process, method, product or apparatus may be included.
It is to be understood, however, that even though numerous characteristics and advantages of the present exemplary embodiments have been set forth in the foregoing description, together with details of the structures and functions of the embodiments, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms where the appended claims are expressed.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202111147795.5 | Sep 2021 | CN | national |
