CN219248052U - Sound producing device and electronic equipment - Google Patents
Sound producing device and electronic equipment Download PDFInfo
- Publication number
- CN219248052U CN219248052U CN202223200616.2U CN202223200616U CN219248052U CN 219248052 U CN219248052 U CN 219248052U CN 202223200616 U CN202223200616 U CN 202223200616U CN 219248052 U CN219248052 U CN 219248052U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- voice coil
- central
- diaphragm assembly
- gap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a sound generating device and electronic equipment, the sound generating device includes: casing, vibrating diaphragm subassembly, magnetic circuit, skeleton and voice coil loudspeaker voice coil. The magnetic circuit system comprises a central magnetic part, an edge magnetic part and a magnetic guiding yoke, wherein a magnetic gap is formed between the central magnetic part and the edge magnetic part, the central magnetic part comprises a first central magnetic guiding plate, a first central magnetic steel, a second central magnetic guiding plate and a second central magnetic steel, the edge magnetic part is provided with the first edge magnetic guiding plate, the first edge magnetic guiding plate covers part of the magnetic gap and is arranged in the vibration direction of the vibrating diaphragm assembly in a positive way, at least one part of the dome is arranged in the positive way with the first edge magnetic guiding plate, one end of the framework is connected with the vibrating diaphragm assembly, the other end of the framework suspends the voice coil in the magnetic gap, a first magnetic gap is formed between the first central magnetic steel and the second central magnetic guiding plate, a second magnetic gap is formed between the second central magnetic steel and the second central magnetic steel, and the voice coil is sleeved on the central magnetic part and is respectively arranged in a corresponding way with the first magnetic gap and the second magnetic gap. The sound generating device has strong waterproof capability.
Description
Technical Field
The utility model relates to the field of electroacoustic equipment, in particular to a sound generating device and electronic equipment.
Background
Speakers are important components in electronic products for converting electrical signals into acoustic signals to enable playback of audio files. With the development of electronic product technology, the existing intelligent wearable devices (such as smart watches, smart glasses, etc.) have higher requirements on waterproof capability, so that the requirements on the waterproof capability of a speaker for the intelligent wearable devices are also higher and higher.
In the related art, a loudspeaker for intelligent wearing equipment is slender, and the length-width ratio of product is great relatively, and the width of speaker is less promptly, and the width of the limit magnetic part of magnetic circuit of speaker is also less, and when intelligent wearing equipment was in under the state of high water pressure, limit magnetic part can't carry out powerful support to the vibrating diaphragm subassembly of speaker, the condition of the extremely easy appearance vibrating diaphragm rupture to seriously influenced the waterproof performance of product.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the sound generating device which has the advantage of strong waterproof capability.
According to an embodiment of the first aspect of the present utility model, a sound emitting device includes: a housing; the vibrating diaphragm assembly comprises a vibrating diaphragm and a ball top, two ends of the vibrating diaphragm are fixed on the shell, and the central position of the vibrating diaphragm is connected with the ball top; the magnetic circuit system is connected with the shell, the magnetic circuit system and the vibrating diaphragm assembly are opposite to each other along the vibrating direction of the vibrating diaphragm assembly and are arranged at intervals, the magnetic circuit system comprises a central magnetic part, a side magnetic part and a magnetic conducting yoke, the central magnetic part and the side magnetic part are arranged on one side of the magnetic conducting yoke, which is close to the vibrating diaphragm assembly, the central magnetic part and the side magnetic part are arranged at intervals to form a magnetic gap, the central magnetic part comprises a first central magnetic conducting plate, a first central magnetic steel, a second central magnetic conducting plate and a second central magnetic steel which are sequentially stacked along the vibrating direction of the vibrating diaphragm assembly, a first side magnetic conducting plate is arranged on one side of the side magnetic part, which is close to the vibrating diaphragm assembly, and the magnetic gap is covered by the first side magnetic conducting plate, and at least one part of the ball top and the first side magnetic conducting plate are opposite to each other along the vibrating direction of the vibrating diaphragm assembly; skeleton and voice coil loudspeaker voice coil, the one end of skeleton with the vibrating diaphragm subassembly is connected, the other end of skeleton extend to in the magnetic gap and with the voice coil loudspeaker voice coil is connected in order will the voice coil loudspeaker voice coil is hung and is located in the magnetic gap, first center magnet steel with form first magnetic gap between the second center magnetic conduction board, second center magnet steel with form the second magnetic gap between the second center magnetic conduction board, the voice coil loudspeaker voice coil cover is located center magnetic part and respectively with first magnetic gap with the setting is corresponding to the second magnetic gap.
According to the sound production device disclosed by the embodiment of the utility model, the voice coil is suspended in the magnetic gap through the framework by arranging the diaphragm assembly, one end of the first side magnetic conduction plate, which is close to the central magnetic part, can extend towards the direction, which is close to the central magnetic part, for a certain distance, at least one part of the dome is arranged in a positive alignment with the first side magnetic conduction plate, and when the sound production device is under a large water pressure condition, at least one part of the dome can be supported on the first side magnetic conduction plate, so that the diaphragm assembly can be well supported, the phenomenon of tearing and rupture of the diaphragm is prevented, and the waterproof grade of the sound production device can be improved.
According to some embodiments of the utility model, the side magnetic part includes the first side magnetic conductive plate, the first side magnetic steel, the second side magnetic conductive plate and the second side magnetic steel which are sequentially stacked along the vibration direction of the diaphragm assembly.
According to some embodiments of the utility model, the side magnetic part includes the first side magnetic conductive plate and the side magnetic steel stacked in order along the vibration direction of the diaphragm assembly.
According to some embodiments of the utility model, a distance d between the outer edge of the dome and one side of the first side magnetic conductive plate, which is close to the magnetic gap, along the width direction of the sound generating device is greater than or equal to 0.1mm.
According to some embodiments of the utility model, the frame comprises a body part and a connecting part, the body part is connected with the vibrating diaphragm assembly, one end of the connecting part is connected with the body part, and the other end of the connecting part extends into the magnetic gap to be connected with the voice coil.
In some embodiments of the present utility model, the connection part includes a first connection arm and a second connection arm, two ends of the first connection arm are respectively connected with the body part and the second connection arm, the bottom of the voice coil is supported on the second connection arm, and one end of the second connection arm away from the first connection arm extends towards a direction approaching the side magnetic part.
In some embodiments of the present utility model, an avoidance space is respectively disposed between two ends of the first central magnetic conductive plate and two ends of the first central magnetic steel, and the avoidance space is disposed opposite to the body portion along the vibration direction of the diaphragm assembly.
In some embodiments of the present utility model, the body portion includes a main body and a flange, the main body is connected with the diaphragm assembly, and the flange is disposed at two ends of the main body and extends toward a direction approaching the magnetic circuit system; and/or, the framework further comprises a reinforcing part, and the reinforcing part is arranged on at least one side of the connecting part.
According to some embodiments of the utility model, the aspect ratio of the sound generating device is 2 or more; and/or, the aspect ratio of the voice coil is not less than 4.
An electronic device according to an embodiment of the second aspect of the present utility model comprises a sound emitting arrangement according to an embodiment of the first aspect of the present utility model.
According to the electronic equipment provided by the embodiment of the second aspect of the utility model, the sound generating device is arranged, so that the waterproof performance requirement of the electronic equipment can be met, and the waterproof grade of the product of the electronic equipment is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a vertical cross-sectional view of a sound emitting device according to one embodiment of the present utility model;
FIG. 2 is an exploded view of the structure of a sound emitting device according to one embodiment of the present utility model;
fig. 3 is a schematic structural view of a skeleton according to an embodiment of the present utility model.
Reference numerals:
the sound-emitting device 100 is configured to emit light,
the shell 1, the upper shell 11, the lower shell 12,
a diaphragm assembly 2, a diaphragm 21, a dome 22,
the frame 4, the body portion 41, the main body 411, the flange 412, the connecting portion 42, the first connecting arm 421, the second connecting arm 422, the reinforcing portion 43,
and a voice coil 5.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar components or components having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
A sound emitting device 100 according to an embodiment of the first aspect of the present utility model is described in detail below with reference to fig. 1-3, and the sound emitting device 100 may be a speaker unit.
As shown in fig. 1-2, a sound generating apparatus 100 according to an embodiment of the first aspect of the present utility model includes: the loudspeaker comprises a shell 1, a vibrating diaphragm assembly 2, a magnetic circuit system 3, a framework 4 and a voice coil 5.
The diaphragm assembly 2 may include a diaphragm 21 and a dome 22, where two ends of the diaphragm 21 are fixed to the housing 1, and a center position of the diaphragm 21 is connected to the dome 22. Alternatively, the diaphragm 21 may be fixed to the housing 1 by adhesive bonding, and may be connected to the housing 1 by integral injection molding.
As shown in fig. 1, the magnetic circuit 3 may be connected to the housing 1, the magnetic circuit 3 and the diaphragm assembly 2 are opposite to each other in the vibration direction (up-down direction as shown in fig. 1) of the diaphragm assembly 2 and are disposed at intervals, the magnetic circuit 3 may include a central magnetic portion 31, an edge magnetic portion 32, and a magnetic guiding yoke 33, the central magnetic portion 31 and the edge magnetic portion 32 are disposed on a side of the magnetic guiding yoke 33 near the diaphragm assembly 2, the central magnetic portion 31 and the edge magnetic portion 32 may be disposed at intervals to form a magnetic gap 3b, the central magnetic portion 31 includes a first central magnetic guiding plate 311, a first central magnetic steel 312, a second central magnetic guiding plate 313, and a second central magnetic steel 314 that are sequentially stacked in the vibration direction (up-down direction as shown in fig. 1) of the diaphragm assembly 2, the side of the edge magnetic portion 32 is disposed on a side of the edge magnetic portion 32 near the diaphragm assembly 2, the first edge magnetic guiding plate 321 covers a portion of the magnetic gap 3b, and at least a portion of the dome 22 is opposite to the first edge magnetic guiding plate 321.
As shown in fig. 1, one end of the skeleton 4 may be connected to the diaphragm assembly 2, the other end of the skeleton 4 may extend into the magnetic gap 3b and be connected to the voice coil 5 to suspend the voice coil 5 in the magnetic gap 3b, a first magnetic gap may be formed between the first central magnetic steel 312 and the second central magnetic plate 313, a second magnetic gap may be formed between the second central magnetic steel 314 and the second central magnetic plate 313, and the voice coil 5 is sleeved on the central magnetic portion 31 and is respectively disposed corresponding to the first magnetic gap and the second magnetic gap.
Specifically, the housing 1 may define an installation space, the diaphragm assembly 2 may be fixed to the housing 1, and the magnetic circuit system 3 may be disposed in the installation space and connected to the housing 1. Wherein, the diaphragm assembly 2 suspends the voice coil 5 in the magnetic gap 3b through the framework 4. The first side magnetic flux guide plate 321 may cover a part of the magnetic gap 3b, that is, an end of the first side magnetic flux guide plate 321 near the central magnetic portion 31 may extend a distance toward a direction near the central magnetic portion 31, and along the vibration direction of the diaphragm assembly 2, at least a portion of the dome 22 is disposed opposite to the first side magnetic flux guide plate 321, that is, a projection of the dome 22 along the vibration direction (up-down direction as shown in fig. 1) of the diaphragm assembly 2 is at least partially located on the first side magnetic flux guide plate 321. A first magnetic gap is formed between the first central magnetic steel 312 and the second central magnetic conductive plate 313, a second magnetic gap is formed between the second central magnetic steel 314 and the second central magnetic conductive plate 313, magnetizing directions of the first central magnetic steel 312 and the second central magnetic steel 314 are opposite, and magnetic induction lines of the first magnetic gap and the second magnetic gap are opposite, so that stress directions of two ends of the voice coil 5 are consistent (upward or downward at the same time), and normal reciprocating motion of the voice coil 5 is ensured.
Therefore, through the arrangement, and along the vibration direction of the diaphragm assembly 2, at least a part of the dome 22 and the first side magnetic permeability plate 321 are opposite to each other, when the sound generating device 100 is under a larger water pressure condition, the diaphragm assembly 2 can move downwards, and at least a part of the dome 22 can be supported on the first side magnetic permeability plate 321, so that the diaphragm assembly 2 can be well supported, and the phenomenon of tearing and rupture of the diaphragm 21 is prevented. Moreover, since the diaphragm assembly 2 suspends the voice coil 5 in the magnetic gap 3b through the frame 4, the central magnetic portion 31 is provided with the first magnetic gap and the second magnetic gap with opposite magnetic induction lines, that is, the voice coil 5 vibrates up and down in the magnetic gap 3b, and interference between the first side magnetic conductive plate 321 and the voice coil 5 does not occur.
According to the sound generating device 100 of the first embodiment of the present utility model, the diaphragm assembly 2 is arranged to suspend the voice coil 5 in the magnetic gap 3b through the frame 4, one end of the first side magnetic conductive plate 321, which is close to the central magnetic portion 31, can extend a distance toward the direction close to the central magnetic portion 31, at least a portion of the dome 22 is opposite to the first side magnetic conductive plate 321, and when the sound generating device 100 is under a larger hydraulic pressure condition, at least a portion of the dome 22 can be supported on the first side magnetic conductive plate 321, so that the diaphragm assembly 2 can be well supported, and the phenomenon of tearing and rupture of the diaphragm 21 is prevented, thereby improving the waterproof level of the sound generating device 100.
As shown in fig. 1, in a specific example of the present utility model, the housing 1 includes an upper case 11 and a lower case 12, the upper case 11 and the lower case 12 are snap-fitted to define an installation space, the magnetic circuit 3 is disposed in the installation space and fixedly connected to the lower case 12, and both ends of the diaphragm 21 are integrally injection-molded with the upper case 11 to seal the installation space, whereby the waterproof capability of the sound generating apparatus 100 can be further improved by the above arrangement.
As shown in fig. 1, according to some embodiments of the present utility model, the side magnetic portion 32 may include a first side magnetic plate 321, a first side magnetic plate 322, a second side magnetic plate 323, and a second side magnetic plate 324 stacked in order along the vibration direction of the diaphragm assembly 2 (up-down direction as shown in fig. 1), where the magnetization direction of the first side magnetic plate 322 is opposite to that of the second side magnetic plate 324. Therefore, a third magnetic gap corresponding to the first magnetic gap can be formed between the first side magnetic steel 322 and the second magnetic conductive plate, and a fourth magnetic gap corresponding to the second magnetic gap can be formed between the second side magnetic steel 324 and the second magnetic conductive plate 323, so that the magnetic field intensity can be improved, the BL value can be improved, and the sounding sensitivity of the sounding device 100 can be improved.
According to some embodiments of the present utility model, the side magnetic part 32 may include a first side magnetic conductive plate 321 and a side magnetic steel stacked in order along the vibration direction (up-down direction as shown in fig. 1) of the diaphragm assembly 2, so that not only the magnetic field strength satisfying the vibration of the voice coil 5 may be provided, but also the structure of the side magnetic part 32 may be simpler and the cost may be saved.
As shown in FIG. 1, according to some embodiments of the present utility model, the distance d between the outer edge of the dome 22 and the side of the first side magnetic permeable plate 321, which is close to the magnetic gap 3b, along the width direction (the left-right direction as viewed in FIG. 1) of the sound generating apparatus 100 is not less than 0.1mm, so that the first side magnetic permeable plate 321 can support the dome 22 strongly, thereby preventing the diaphragm 21 from tearing and breaking, and improving the waterproof level of the sound generating apparatus 100. Alternatively, d may be 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, etc.
As shown in fig. 1 and 3, according to some embodiments of the present utility model, the bobbin 4 may include a body portion 41 and a connection portion 42, the body portion 41 is connected to the diaphragm assembly 2, one end of the connection portion 42 is connected to the body portion 41, and the other end of the connection portion 42 extends into the magnetic gap 3b to be connected to the voice coil 5. This makes the structure of the bobbin 4 simpler, and the voice coil 5 can be suspended in the magnetic gap 3b effectively.
As shown in fig. 1 and 3, in some embodiments of the utility model, the connection part 42 may include a first connection arm 421 and a second connection arm 422, both ends of the first connection arm 421 are connected to the body part 41 and the second connection arm 422, respectively, and the bottom of the voice coil 5 may be supported on the second connection arm 422, and one end of the second connection arm 422 away from the first connection arm 421 extends toward a direction approaching the side magnetic part 32. Specifically, the first connection arm 421 may extend in the up-down direction shown in fig. 1, and the second connection arm 422 may extend in the left-right direction shown in fig. 1, wherein the second connection arm 422 may extend in the horizontal direction toward a direction approaching the side magnetic portion 32. For example, the second connecting arm 422 located on the left side may extend in the right-to-left direction, and the second connecting arm 422 located on the right side may extend in the left-to-right direction, whereby the first connecting arm 421 may be provided on the side close to the central magnetic portion 31, preventing the first connecting arm 421 from interfering with the first side magnetic conductive plate 321.
The structural design of the bobbin 4 and the connection method between the bobbin 4 and the voice coil 5 are not limited to this, and the voice coil 5 may be suspended in the magnetic gap 3b, and the present utility model is not particularly limited to this.
As shown in fig. 1, in some embodiments of the present utility model, an avoidance space 3a may be respectively disposed between two ends of the first central magnetic conductive plate 311 and two ends of the first central magnetic steel 312, and along the vibration direction of the diaphragm assembly 2 (up-down direction as shown in fig. 1), the avoidance space 3a is opposite to the body portion 41, so that when the diaphragm assembly 2 vibrates up and down, the avoidance space 3a may avoid the skeleton 4, so that not only the situation that the skeleton 4 collides with the central magnetic portion 31 to generate damage is prevented, but also the vibration amplitude of the diaphragm assembly 2 may be increased, and the sound producing effect of the sound producing device 100 is improved.
For example, the width of the first central magnetic conductive plate 311 may be smaller than the width of the first central magnetic steel 312, and the central axes of the first central magnetic conductive plate 311 and the first central magnetic steel 312 coincide, whereby both ends of the first central magnetic conductive plate 311 are spaced apart from both ends of the first central magnetic steel 312, whereby the avoidance space 3a may be formed. For another example, the first central magnetic conductive plate 311 may be hollowed out from a portion of the skeleton 4 opposite to the vibration direction of the diaphragm assembly 2, so that the avoidance space 3a may be formed. The present utility model does not particularly limit the manner of disposing the avoidance space 3a, as long as the effect of avoiding the skeleton 4 can be achieved.
As shown in fig. 1 and 3, in some embodiments of the present utility model, the body portion 41 may include a main body 411 and flanges 412, the main body 411 may be connected to the diaphragm assembly 2, the flanges 412 are disposed at two ends of the main body 411 and extend toward a direction close to the magnetic circuit 3 (downward direction as shown in fig. 1), and the flanges 412 may play a role in reinforcing the main body 411, thereby improving the structural strength of the skeleton 4.
As shown in fig. 3, in another embodiment of the present utility model, the frame 4 may further include a reinforcing portion 43, where the reinforcing portion 43 is disposed on at least one side of the connecting portion 42, and the reinforcing portion 43 may play a role in reinforcing the connecting portion 42, so as to enhance the connection firmness between the frame 4 and the voice coil 5, and further, the reinforcing portion 43 may be disposed to enhance the high-frequency cut-off frequency Fh of the sound generating device 100, so as to enhance the sound generating effect of the sound generating device 100.
In the specific example shown in fig. 3, the connection portion 42 includes a first connection arm 421 and a second connection arm 422, both ends of the first connection arm 421 are connected to the body portion 41 and the second connection arm 422, respectively, the first connection arm 421 may extend in the up-down direction shown in fig. 1, the bottom of the voice coil 5 may be supported by the second connection arm 422, the second connection arm 422 may extend in the left-right direction shown in fig. 1, and one end of the second connection arm 422 away from the first connection arm 421 extends toward a direction approaching the side magnetic portion 32. The reinforcing portion 43 is formed in a flat plate shape, the reinforcing portion 43 may be provided on at least one side surface of the first connection arm 421, the reinforcing portion 43 may be provided on at least one side surface of the second connection arm 422, and the reinforcing portion 43 may be provided on the same side surface of both the first connection arm 421 and the second connection arm 422.
According to some embodiments of the present utility model, the aspect ratio of the sound generating apparatus 100 is 2 or more, that is, the ratio of the length to the width of the sound generating apparatus 100 is 2 or more, and the sound generating apparatus 100 is formed in an elongated shape. It can be understood that the sound generating device 100 of the present utility model may be used in an intelligent wearable device, in order to meet the requirement of the assembly space of the intelligent wearable device, the sound generating device 100 is configured to be elongated, and the width of the sound generating device 100 is smaller, so that the setting width of the magnetic circuit 3 is reduced, the setting width of the side magnetic portion 32 is also reduced, under the condition that the folded ring width dimension of the diaphragm 21 is unchanged, the distance between the dome 22 and the side magnetic portion 32 in the width direction is increased, the diaphragm assembly 2 is arranged to suspend the voice coil 5 in the magnetic gap 3b through the framework 4, one end of the first side magnetic conductive plate 321 close to the central magnetic portion 31 may extend a distance towards the direction close to the central magnetic portion 31, and at least a part of the dome 22 is opposite to the first side magnetic conductive plate 321, thereby meeting the waterproof requirement of the intelligent wearable device.
Wherein the aspect ratio of the voice coil 5 is not less than 4, i.e., the ratio of the length and the width of the voice coil 5 is not less than 4, and the voice coil 5 is also formed in an elongated shape. Through the above description, since the sound generating device 100 is configured to be elongated, the magnetic circuit system 3 is correspondingly formed to be elongated, and the difficulty of winding the conventional voice coil 5 is relatively high, so that the voice coil 5 is configured to be elongated, the diaphragm assembly 2 suspends the voice coil 5 in the magnetic gap 3b through the framework 4, and the central magnetic portion 31 is provided with the first magnetic gap and the second magnetic gap which correspond to the voice coil 5 and have opposite magnetic induction lines, thereby not only meeting the structural setting requirement and the waterproof performance requirement of the intelligent wearable device, but also ensuring the normal sound generating effect of the sound generating device 100.
An electronic device according to an embodiment of the second aspect of the present utility model comprises a sound emitting apparatus 100 according to an embodiment of the first aspect of the present utility model. The electronic device may be a mobile phone, a sound device, a PAD, an intelligent wearable device, etc.
According to the electronic device of the second aspect of the embodiment of the present utility model, by arranging the sound generating apparatus 100, the waterproof performance requirement of the electronic device can be met, and the waterproof grade of the product of the electronic device can be improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A sound emitting device, comprising:
a housing;
the vibrating diaphragm assembly comprises a vibrating diaphragm and a ball top, two ends of the vibrating diaphragm are fixed on the shell, and the central position of the vibrating diaphragm is connected with the ball top;
the magnetic circuit system is connected with the shell, the magnetic circuit system and the vibrating diaphragm assembly are opposite to each other along the vibrating direction of the vibrating diaphragm assembly and are arranged at intervals, the magnetic circuit system comprises a central magnetic part, a side magnetic part and a magnetic conducting yoke, the central magnetic part and the side magnetic part are arranged on one side of the magnetic conducting yoke, which is close to the vibrating diaphragm assembly, the central magnetic part and the side magnetic part are arranged at intervals to form a magnetic gap, the central magnetic part comprises a first central magnetic conducting plate, a first central magnetic steel, a second central magnetic conducting plate and a second central magnetic steel which are sequentially stacked along the vibrating direction of the vibrating diaphragm assembly, a first side magnetic conducting plate is arranged on one side of the side magnetic part, which is close to the vibrating diaphragm assembly, and the magnetic gap is covered by the first side magnetic conducting plate, and at least one part of the ball top and the first side magnetic conducting plate are opposite to each other along the vibrating direction of the vibrating diaphragm assembly; a kind of electronic device with high-pressure air-conditioning system
Skeleton and voice coil loudspeaker voice coil, the one end of skeleton with the vibrating diaphragm subassembly is connected, the other end of skeleton extend to in the magnetic gap and with the voice coil loudspeaker voice coil is connected in order will the voice coil loudspeaker voice coil is hung and is located in the magnetic gap, first center magnet steel with form first magnetic gap between the second center magnetic conduction board, second center magnet steel with form the second magnetic gap between the second center magnetic conduction board, the voice coil loudspeaker voice coil cover is located center magnetic part and respectively with first magnetic gap with the setting is corresponding to the second magnetic gap.
2. The sound generating apparatus of claim 1, wherein the side magnetic portion comprises the first side magnetic plate, the first side magnetic steel, the second side magnetic plate, and the second side magnetic steel stacked in order along a vibration direction of the diaphragm assembly.
3. The sound generating apparatus of claim 1, wherein the side magnetic portion comprises the first side magnetic conductive plate and the side magnetic steel stacked in order along a vibration direction of the diaphragm assembly.
4. The sound generating apparatus according to claim 1, wherein a distance d between an outer edge of the dome and a side of the first side magnetic conductive plate, which is close to the magnetic gap, is greater than or equal to 0.1mm in a width direction of the sound generating apparatus.
5. The sound generating apparatus of claim 1, wherein the frame comprises a body portion and a connecting portion, the body portion is connected with the diaphragm assembly, one end of the connecting portion is connected with the body portion, and the other end of the connecting portion extends into the magnetic gap to be connected with the voice coil.
6. The sound generating apparatus according to claim 5, wherein the connecting portion comprises a first connecting arm and a second connecting arm, both ends of the first connecting arm are respectively connected with the body portion and the second connecting arm, the bottom of the voice coil is supported by the second connecting arm, and one end of the second connecting arm away from the first connecting arm extends toward a direction approaching the side magnetic portion.
7. The sound generating apparatus according to claim 5, wherein an avoidance space is provided between the two ends of the first central magnetic conductive plate and the two ends of the first central magnetic steel, respectively, and the avoidance space is disposed opposite to the body portion along the vibration direction of the diaphragm assembly.
8. The sound generating apparatus according to claim 5, wherein the body portion includes a main body and a flange, the main body is connected to the diaphragm assembly, and the flange is provided at both ends of the main body and extends in a direction approaching the magnetic circuit system;
and/or, the framework further comprises a reinforcing part, and the reinforcing part is arranged on at least one side of the connecting part.
9. The sound emitting device of any one of claims 1-8, wherein the aspect ratio of the sound emitting device is 2 or more;
and/or, the aspect ratio of the voice coil is not less than 4.
10. An electronic device comprising the sound emitting apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223200616.2U CN219248052U (en) | 2022-11-29 | 2022-11-29 | Sound producing device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223200616.2U CN219248052U (en) | 2022-11-29 | 2022-11-29 | Sound producing device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219248052U true CN219248052U (en) | 2023-06-23 |
Family
ID=86844060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223200616.2U Active CN219248052U (en) | 2022-11-29 | 2022-11-29 | Sound producing device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219248052U (en) |
-
2022
- 2022-11-29 CN CN202223200616.2U patent/CN219248052U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204442665U (en) | Stack Microspeaker | |
| CN106851457A (en) | Loudspeaker and PlayGear Stealth | |
| US10820113B2 (en) | Speaker | |
| US11638097B1 (en) | Speaker | |
| CN206506675U (en) | Loudspeaker and PlayGear Stealth | |
| CN202435605U (en) | Sounder | |
| CN113660590B (en) | Sounding device for electronic device and electronic device | |
| CN204442664U (en) | Microspeaker | |
| CN102196339B (en) | Vibration loudspeaker | |
| CN106303866A (en) | A kind of moving-iron receiver | |
| CN212115664U (en) | Speaker and earphone | |
| US10244329B2 (en) | Receiver | |
| US20230345169A1 (en) | Hybrid Microspeaker | |
| CN219248052U (en) | Sound producing device and electronic equipment | |
| CN204929248U (en) | Moving -coil loudspeaker | |
| CN101227767A (en) | Minitype moving-coil type electro-acoustic conversing device | |
| CN217240919U (en) | Vibrating diaphragm, sound production device and electronic equipment | |
| US11856384B2 (en) | Speaker and electronic device | |
| CN215453259U (en) | Sound production device for electronic device and electronic device | |
| US11665480B2 (en) | Speaker | |
| CN206611570U (en) | Horn single body and the earphone for being provided with the horn single body | |
| CN215222487U (en) | Ultrathin high-power loudspeaker | |
| CN214381362U (en) | Sound producing device | |
| CN211531313U (en) | Loudspeaker | |
| CN109982222B (en) | Miniature telephone receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |