CN216930315U - Speaker and electronic equipment - Google Patents

Speaker and electronic equipment Download PDF

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Publication number
CN216930315U
CN216930315U CN202220603777.7U CN202220603777U CN216930315U CN 216930315 U CN216930315 U CN 216930315U CN 202220603777 U CN202220603777 U CN 202220603777U CN 216930315 U CN216930315 U CN 216930315U
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China
Prior art keywords
loudspeaker
magnet
shell
sound
voice coil
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CN202220603777.7U
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Chinese (zh)
Inventor
赵峻杰
张震旦
张磊
郭明波
马院红
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Zhenjiang Best New Material Co ltd
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Zhenjiang Best New Material Co ltd
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Priority to CN202220603777.7U priority Critical patent/CN216930315U/en
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Abstract

The utility model provides a loudspeaker and electronic equipment, wherein the loudspeaker comprises a shell, a loudspeaker monomer, sound absorption particles and a partition part, wherein the shell is provided with a rear cavity for accommodating the sound absorption particles, and the shell is provided with a first mounting opening and a second mounting opening which are communicated with the rear cavity; the loudspeaker single body is arranged in the shell, two vibrating diaphragms are assembled on the loudspeaker single body, and the loudspeaker single body is respectively connected with the first mounting port and the second mounting port; wherein the sound-absorbing particles can be isolated from the speaker unit by the partition member. Compared with the traditional single-diaphragm loudspeaker, the loudspeaker and the electronic equipment provided by the utility model have the advantages that the loudspeaker monomer is arranged in the loudspeaker, and the bandwidth and the sound performance of the loudspeaker can be effectively improved.

Description

Speaker and electronic equipment
Technical Field
The utility model relates to the technical field of electroacoustic, in particular to a loudspeaker and electronic equipment.
Background
A speaker, also called a "horn", is a very common electroacoustic transducer, and is found in electronic devices (such as mobile phones, tablet computers, earphones, and the like) which produce sound.
With the increasing call requirements of electronic products and the increasing miniaturization and lightening of electronic products, the requirements on the loudspeaker are higher and higher, and a wider bandwidth and better hearing experience are required. When the traditional moving-coil loudspeaker is used for electroacoustic conversion, the problems of distortion, noise, poor low-frequency performance and the like are easy to occur due to the diversity of signal components, and the acoustic performance of the loudspeaker is influenced.
The design of commercially available loudspeakers is typically a single diaphragm loudspeaker. In order to improve the performance of the speaker, such as the bandwidth and the sound, the design of the speaker diaphragm material and the adaptive circuit are usually changed.
The above technical route can indeed improve the performance of the loudspeaker, but in practical application scenarios, the improvement degree of the performance of the loudspeaker is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a loudspeaker and electronic equipment, which are used for improving the bandwidth and the sound performance of the loudspeaker.
The above object of the present invention can be achieved by the following technical solutions:
the present invention provides a speaker, including:
the sound absorption device comprises a shell, a sound absorption device and a sound absorption device, wherein the shell is provided with a rear cavity for accommodating sound absorption particles, and a first mounting hole and a second mounting hole which are communicated with the rear cavity are formed in the shell;
the loudspeaker single body is arranged in the shell, two vibrating diaphragms are assembled on the loudspeaker single body, and the loudspeaker single body is respectively connected with the first mounting port and the second mounting port;
wherein the sound-absorbing particles can be isolated from the speaker unit by a partition member.
In an embodiment of the present invention, the speaker unit includes:
a magnet structure having a first end facing the first mounting port and a second end facing the second mounting port;
the first vibrating diaphragm structure is provided with a first vibrating diaphragm and a first voice coil connected with the first vibrating diaphragm, and the first voice coil can be inserted into the first end;
and the second diaphragm structure is provided with a second diaphragm and a second voice coil connected with the second diaphragm, and the second voice coil can be inserted into the second end.
In an embodiment of the present invention, the magnet structure includes:
the magnetic conduction seat is provided with a first groove facing the first mounting opening and a second groove facing the second mounting opening;
a magnet assembly having a first magnet and a second magnet; the first magnet is accommodated in the first groove, a first gap for accommodating the first voice coil is formed between the first magnet and the first groove, and the second magnet is accommodated in the second groove, and a second gap for accommodating the second voice coil is formed between the second magnet and the second groove.
In an embodiment of the present invention, the partition member is a package body that wraps the sound-absorbing particles, the package body having an at least partially air-permeable wall formed thereon, and the package body being located in the rear cavity.
In an embodiment of the present invention, the packing body is a net bag or a container.
In an embodiment of the present invention, the container is a rigid container or a flexible container, and the outer shape of the container matches the shape of the rear cavity.
In an embodiment of the present invention, the packing body is connected to an inner wall of the housing by bonding or clipping.
In an embodiment of the present invention, the partition member is an air-permeable wall connected between the speaker unit and the first mounting port or the second mounting port.
In an embodiment of the present invention, the first mounting opening is covered with a first front cover, and the first front cover has a first through hole capable of exposing the first sound outlet of the speaker unit.
In an embodiment of the present invention, a second front cover is covered at the second mounting opening, and the second front cover has a second through hole capable of exposing the second sound outlet of the speaker unit.
In an embodiment of the present invention, the first through holes and the second through holes are disposed on two sides of the housing in a face-to-face manner, or the first through holes and the second through holes are alternately disposed on two sides of the housing.
The present invention also provides an electronic device comprising: a loudspeaker as described above.
The loudspeaker and the electronic equipment have the characteristics and advantages that: be equipped with the speaker monomer in this speaker, this speaker monomer is equipped with two vibrating diaphragms, compares in traditional single vibrating diaphragm speaker, can effectively promote the frequency width and the sound performance of speaker.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of a loudspeaker according to the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the loudspeaker of the present invention.
Description of reference numerals:
1. a housing; 11. a rear cavity; 12. a first mounting port; 13. a second mounting opening;
2. a speaker unit; 21. a magnet structure; 211. a first end; 212. a second end; 213. a magnetic conduction seat; 2131. a first groove; 2132. a first gap; 2133. a second groove; 2134. a second gap; 214. a magnet assembly; 2141. A first magnet; 2142. a second magnet; 22. a first diaphragm structure; 221. a first diaphragm; 222. a first voice coil; 23. a second diaphragm structure; 231. a second diaphragm; 232. a second voice coil;
3. sound-absorbing particles;
4. a partition member;
5. a first front cover; 51. a first through hole;
6. a second front cover; 61. a second via.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "at least one" means one or more than one, and "a plurality" means two or more than two, unless otherwise specified. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional.
Implementation mode one
As shown in fig. 1 and fig. 2, the present invention provides a loudspeaker, which includes a housing 1, a loudspeaker unit 2, sound-absorbing particles 3, and a partition member 4, wherein the housing 1 has a rear cavity 11 for accommodating the sound-absorbing particles 3, and the housing 1 is provided with a first mounting opening 12 and a second mounting opening 13 which are communicated with the rear cavity 11; the loudspeaker single body 2 is arranged in the shell 1, two vibrating diaphragms are assembled on the loudspeaker single body 2, and the loudspeaker single body 2 is respectively connected with the first mounting port 12 and the second mounting port 13; wherein the sound-absorbing particles 3 can be isolated from the speaker unit 2 by the partition member 4.
The speaker of the present invention employs the speaker unit 2 having two diaphragms (the first diaphragm 221 and the second diaphragm 231 described later), and compared with the conventional speaker with a single diaphragm, the speaker of the present invention has a compact structure, and can effectively improve the bandwidth and the acoustic performance of the speaker. In the working process of the loudspeaker, the pressure change of the closed rear cavity 11 is far superior to that of the rear cavity of a common loudspeaker, so that the air pressure of the rear cavity 11 needs to be stabilized through the sound-absorbing particles 3 filled in the rear cavity 11, and better low-frequency performance is realized.
Here, the rear chamber 11 in the present embodiment includes a completely sealed rear chamber in the housing 1, and also includes a rear chamber having a structure such as a vent hole opened at a specific position of the housing 1, and is not limited herein.
Specifically, the speaker unit 2 includes a magnet structure 21, a first diaphragm structure 22, and a second diaphragm structure 23, the magnet structure 21 having a first end 211 facing the first mounting port 12, and a second end 212 facing the second mounting port 13; the first diaphragm structure 22 has a first diaphragm 221 and a first voice coil 222 connected to the first diaphragm 221, and the first voice coil 222 can be inserted into the first end 211 of the magnet structure 21; the second diaphragm structure 23 has a second diaphragm 231 and a second voice coil 232 connected to the second diaphragm 231, the second voice coil 232 being insertable into the second end 212 of the magnet structure 21.
The first diaphragm structure 22 and the second diaphragm structure 23 of the utility model share one magnetic circuit, so that the structure of the loudspeaker is simplified, the same frequency effect of the loudspeaker single body 2 can be ensured, and compared with the traditional single diaphragm loudspeaker, the frequency width and the sound performance of the loudspeaker can be effectively improved.
In a possible embodiment, the first diaphragm structure 22 and the second diaphragm structure 23 are disposed at two ends of the magnet structure 21, so as to facilitate manufacturing and simplify the structure, thereby facilitating miniaturization.
In the present invention, the magnet structure 21 includes a magnetic conductive base 213 and a magnet assembly 214, the magnetic conductive base 213 has a first recess 2131 facing the first mounting opening 12 and a second recess 2133 facing the second mounting opening 13; the magnet assembly 214 has a first magnet 2141 and a second magnet 2142; the first magnet 2141 is accommodated in the first recess 2131, and forms a first gap 2132 with the first recess 2131 for accommodating the first voice coil 222, and the second magnet 2142 is accommodated in the second recess 2133, and forms a second gap 2134 with the second recess 2133 for accommodating the second voice coil 232.
Since the first voice coil 222 and the second voice coil 232 share the magnetic conductive seat 213, the internal structure of the speaker is simplified, the speaker is convenient to mount and dismount, and the internal space of the housing 1 is fully utilized. In addition, under the condition of passing the same current, the sound loudness of the loudspeaker with the structure of only one voice coil and one diaphragm is far lower than that of the loudspeaker with two voice coils and two diaphragms. The loudspeaker provided with the two vibrating diaphragms saves electric energy relatively more.
In a specific application, the material selection and the basic design (for example, the shape) of the structural members such as the first diaphragm 221, the second diaphragm 231, the first voice coil 222, the second voice coil 232, the magnetic conductive base 213, the first magnet 2141, and the second magnet 2142 may be selected according to the usage requirement of the speaker. For example, the first diaphragm 221 and the second diaphragm 231 may be identical or different. In some embodiments, a person skilled in the art can realize respective transduction of corresponding high pitch and low pitch on a single loudspeaker according to actual needs, so that the hearing is fuller, distortion and noise are avoided, the hearing experience is improved, meanwhile, the whole machine debugging is supported, the risk of sound leakage of the receiver is reduced, the lowest resonance frequency is reduced, and the energy consumption under the same sound effect is further reduced. For example, in a possible embodiment, the diameters of the second diaphragm 231 and the second voice coil 232 may be smaller than the diameters of the first diaphragm 221 and the first voice coil 222, so as to ensure that the first voice coil 222 and the second voice coil 232 do not collide with each other when moving into the housing 1.
According to one embodiment of the utility model, as shown in fig. 1, the partition member 4 is a package body enclosing the sound-absorbing particles 3, the package body having an at least partially air-permeable wall formed thereon, the package body being located in the rear cavity 11. By wrapping the sound-absorbing particles 3, the sound-absorbing particles 3 are acoustically coupled with the speaker unit 2 without directly contacting with the speaker unit 2, so that the sound-absorbing particles 3 are prevented from entering the speaker unit 2 to influence the operation thereof, substances such as dust and the like which may appear can be blocked, and the performance of the speaker of the present invention is ensured by forming at least part of the air-permeable wall on the packaging body.
Further, the packaging body is a net bag or a container so as to be convenient for dismounting and mounting the sound-absorbing particles 3. Preferably, the container is a rigid container or a flexible container, and the shape of the container is matched with the shape of the rear cavity 11, so that the rear cavity 11 can be filled with the sound-absorbing particles 3 as much as possible.
In the present embodiment, the package can be attached to the inner wall of the housing 1 by, for example, adhesive bonding or snap-fitting. So as to realize the fast fixation of the packaging body and the inner wall of the shell 1 and improve the assembly speed of the loudspeaker of the utility model.
Specifically, a fixing part for fixing the package is arranged between the package and the inner wall of the housing 1, and the fixing part comprises a fixing part (for example, a dovetail-shaped protrusion) and a fixing matching part (for example, a groove matched with the shape of the protrusion), wherein the fixing part is arranged on the outer surface of the package, and the fixing matching part is arranged on the inner wall of the housing 1; or the fixed fitting portion is provided on the outer surface of the package body and the fixed portion is provided on the inner wall of the housing 1.
According to another embodiment of the present invention, as shown in fig. 2, the partition member 4 is a ventilation wall that is connected between the speaker unit 2 and the first mounting port 12 or the second mounting port 13. Through setting up ventilative wall to inhale sound granule 3 and speaker monomer 2 and separate, inhale acoustics coupling between sound granule 3 and the speaker monomer 2, the two is not direct contact, and, through setting up ventilative wall in first installing port 12 or second installing port 13 department, can also reduce the shared rear cavity 11 space of ventilative wall, so that 11 internal energy of rear cavity fill as much as possible and inhale sound granule 3, increase and inhale the space utilization of sound granule 3 at rear cavity 11. Specifically, the material of the air-permeable wall can be selected according to actual needs, and for example, it may be hard or soft.
According to one embodiment of the present invention, the first front cover 5 is covered at the first mounting opening 12, and the first front cover 5 has a first through hole 51 capable of exposing the first sound outlet of the speaker unit 2. The first front cover 5 is covered at the first mounting opening 12, and the first through hole 51 capable of exposing the first sound outlet of the speaker monomer 2 is arranged on the first front cover, so that the speaker can be conveniently assembled and disassembled through a modular design; moreover, the device can also play a role in shielding foreign matters, so that the foreign matters are prevented from directly entering the loudspeaker single body 2 from the first mounting port 12 to influence the normal work of the loudspeaker single body 2.
In the present invention, the second front cover 6 covers the second mounting opening 13, and the second front cover 6 has a second through hole 61 capable of exposing the second sound outlet of the speaker unit 2. The second front cover 6 is covered at the second mounting opening 13, and the second through hole 61 capable of exposing the second sound outlet of the speaker monomer 2 is arranged on the second front cover, so that on one hand, the effect of facilitating the assembly and disassembly of the speaker can be achieved through the modularized design; on the other hand, the device can play a role of shielding foreign matters, and prevent the foreign matters from directly entering the loudspeaker single body 2 from the second mounting port 13 to influence the normal work of the loudspeaker single body 2.
Specifically, the first sound outlet hole, the second sound outlet hole, and the external channel that may exist of the speaker unit 2 may be designed to be symmetrical, or may be designed to be asymmetrical, so as to achieve different acoustic effects.
Preferably, the first through holes 51 and the second through holes 61 are disposed on both sides of the housing 1 in a face-to-face manner, or the first through holes 51 and the second through holes 61 are alternately disposed on opposite sides of the housing 1.
The first through hole 51 and the second through hole 61 are arranged on two sides of the housing 1 in a face-to-face manner, so that the speaker unit 2 can generate sound from two opposite directions of the housing 1, and the bandwidth and the sound performance of the speaker are further improved.
Through setting up first through-hole 51 and the crisscross both sides at shell 1 with second through-hole 61 to make speaker monomer 2 can follow the different positions sound production of shell 1, further promote the frequency width and the sound performance of speaker, make people obtain better sense of hearing.
Second embodiment
The utility model also provides an electronic device comprising the loudspeaker in the first embodiment. The specific structure, working principle and beneficial effects of the loudspeaker of the electronic device are the same as those of the first embodiment, and are not described herein again.
Specifically, the electronic device may be a mobile phone, a tablet computer, or an earphone.
The above description is only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.

Claims (12)

1. A loudspeaker, comprising:
the sound absorption device comprises a shell, a sound absorption device and a sound absorption device, wherein the shell is provided with a rear cavity for accommodating sound absorption particles, and a first mounting hole and a second mounting hole which are communicated with the rear cavity are formed in the shell;
the loudspeaker single body is arranged in the shell, two vibrating diaphragms are assembled on the loudspeaker single body, and the loudspeaker single body is respectively connected with the first mounting port and the second mounting port;
wherein the sound-absorbing particles can be isolated from the speaker unit by a partition member.
2. The speaker of claim 1, wherein the speaker cell comprises:
a magnet structure having a first end facing the first mounting port and a second end facing the second mounting port;
the first vibrating diaphragm structure is provided with a first vibrating diaphragm and a first voice coil connected with the first vibrating diaphragm, and the first voice coil can be inserted into the first end;
and the second diaphragm structure is provided with a second diaphragm and a second voice coil connected with the second diaphragm, and the second voice coil can be inserted into the second end.
3. The loudspeaker of claim 2, wherein the magnet structure comprises:
the magnetic conduction seat is provided with a first groove facing the first mounting opening and a second groove facing the second mounting opening;
a magnet assembly having a first magnet and a second magnet; the first magnet is accommodated in the first groove, a first gap for accommodating the first voice coil is formed between the first magnet and the first groove, and the second magnet is accommodated in the second groove, and a second gap for accommodating the second voice coil is formed between the second magnet and the second groove.
4. The loudspeaker of claim 1,
the partition member is a package body wrapping the sound absorption particles, at least partial air-permeable walls are formed on the package body, and the package body is located in the rear cavity.
5. The loudspeaker of claim 4,
the packaging body is a net bag or a container.
6. The loudspeaker of claim 5,
the container is a hard container or a soft container, and the shape of the container is matched with that of the rear cavity.
7. The loudspeaker of claim 4,
the packaging body is connected to the inner wall of the shell through bonding and clamping.
8. The loudspeaker of claim 1,
the partition member is a ventilation wall, and the ventilation wall is connected between the speaker unit and the first mounting port or the second mounting port.
9. Loudspeaker according to claim 1,
the first front cover is arranged at the position of the first mounting opening in a covering mode and provided with a first through hole capable of exposing the first sound outlet of the loudspeaker monomer.
10. The loudspeaker of claim 9,
and a second front cover is arranged at the second mounting opening in a covering manner, and is provided with a second through hole capable of exposing the second sound outlet of the loudspeaker monomer.
11. The loudspeaker of claim 10,
the first through holes and the second through holes are oppositely arranged on two sides of the shell in a face-to-face mode, or the first through holes and the second through holes are arranged on two sides of the shell in a staggered mode.
12. An electronic device, comprising:
a loudspeaker according to any one of claims 1 to 11.
CN202220603777.7U 2022-03-18 2022-03-18 Speaker and electronic equipment Active CN216930315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220603777.7U CN216930315U (en) 2022-03-18 2022-03-18 Speaker and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220603777.7U CN216930315U (en) 2022-03-18 2022-03-18 Speaker and electronic equipment

Publications (1)

Publication Number Publication Date
CN216930315U true CN216930315U (en) 2022-07-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220603777.7U Active CN216930315U (en) 2022-03-18 2022-03-18 Speaker and electronic equipment

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115460492A (en) * 2022-11-09 2022-12-09 深圳市康米索数码科技有限公司 Handheld wireless microphone and sound all-in-one machine capable of preventing howling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115460492A (en) * 2022-11-09 2022-12-09 深圳市康米索数码科技有限公司 Handheld wireless microphone and sound all-in-one machine capable of preventing howling

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