CN111901732B - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
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- CN111901732B CN111901732B CN202010588140.0A CN202010588140A CN111901732B CN 111901732 B CN111901732 B CN 111901732B CN 202010588140 A CN202010588140 A CN 202010588140A CN 111901732 B CN111901732 B CN 111901732B
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- China
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- sound film
- loudspeaker
- dome
- mesopore
- magnet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention relates to the technical field of acoustics, in particular to a loudspeaker. The loudspeaker comprises a vibration system and a magnetic circuit system, wherein the vibration system comprises an upper sound film, a voice coil, a lower vibration assembly and a framework, the lower vibration assembly comprises a lower sound film, a first cushion edge arranged on the lower sound film, a first sound film fixed on the first cushion edge and a connecting piece with a hollow channel arranged between the upper sound film and the first sound film, one end of the connecting piece is arranged corresponding to an upper through hole of the upper sound film, the other end of the connecting piece is arranged corresponding to the first through hole of the first sound film, and by the above mode, the lower vibration assembly forms a structure for increasing the flow of vibration gas, the structure and the upper sound film synchronously vibrate, the gas is communicated with the gas flow of the upper sound film through the hollow channel of the connecting piece, and under the condition of the same volume, the Sd of the loudspeaker can be increased, and the low-frequency response potential of the loudspeaker is improved; at the same time, the mid-frequency sensitivity (spl) of the loudspeaker can also be improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of acoustics, in particular to a loudspeaker.
[ background of the invention ]
In recent years, with the development of science and technology, especially the rapid progress of mobile communication technology, more and more mobile electronic devices are appearing in people's daily life, such as smart phones, tablet computers, notebook computers and multifunctional media players, which have become indispensable daily necessities. In these mobile electronic devices, the voice playing device is an indispensable component inside the mobile electronic devices, and the quality of the voice directly affects the user experience when the user uses the mobile electronic devices.
The loudspeaker is used as a voice playing device, and the structural design of the loudspeaker directly influences the voice quality. The speaker of prior art includes the basin frame, accepts magnetic circuit and the vibration system of thousand basin framves, and magnetic circuit includes magnetism bowl and magnet steel, and vibration system includes the voice coil loudspeaker voice coil of sound membrane and drive sound membrane vibration sound production, and above-mentioned speaker is unfavorable for promoting the audio frequency performance of speaker because vibrating gas flow is limited.
Therefore, there is a need to provide a new speaker to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a loudspeaker, which solves the technical problem that the improvement of the audio performance of the loudspeaker is not facilitated due to the limited flow of vibrating air in the prior art.
The technical scheme of the invention is as follows: providing a loudspeaker, wherein the loudspeaker comprises a vibration system and a magnetic circuit system, the magnetic circuit system comprises a lower clamping plate and a magnet part arranged on the lower clamping plate, the lower clamping plate comprises a plate body and a fixing column formed in the center of the plate body, the fixing column comprises a fixing seat arranged on the plate body and a cylindrical part arranged in the center of the fixing seat, and a plurality of fractures arranged at intervals along the circumferential direction of the cylindrical part are arranged on the cylindrical part; the vibration system comprises an upper sound film, a voice coil, a lower vibration component and a framework, wherein the voice coil is located below the upper sound film and drives the upper sound film to vibrate and sound, the lower vibration component is located below the upper sound film and fixedly connected to the fixed column, the framework is connected with the lower vibration component and the upper sound film, an upper through hole is formed in the inner edge of the upper sound film, the lower vibration component comprises a lower sound film, the inner edge of the lower sound film is fixed to the fixed seat and surrounds the cylindrical portion, a first cushion edge is arranged on the outer edge of the lower sound film and far away from one side of the plate body, the outer edge of the lower sound film is fixed to the first cushion edge and far away from one side of the lower sound film, the inner edge of the first sound film is fixed to the cylindrical portion and far away from one side of the fixed seat, and a connecting piece with a hollow channel is arranged between the upper sound film and the first sound film, a first through hole, The other end of the connecting piece is arranged corresponding to the first through hole, and the framework is connected with the voice coil; the magnet part is arranged around the lower vibration assembly, a magnetic gap is formed in the magnet part, and one end, far away from the upper sound film, of the voice coil extends into the magnetic gap; the lower sound film, the first pad edge and the first sound film are arranged in a surrounding mode to form a first cavity communicated with the hollow channel.
Preferably, first sound membrane include first dog-ear and with first dome that first dog-ear is connected, first dog-ear includes first dog-ear portion, by the outward flange of first dog-ear portion outwards extends the first outside that forms, by the inward flange of first dog-ear portion inwards extends the first interior limit that forms and by first interior limit first mesopore of enclosing, first dome subsides are located first interior limit, first dome offer with first dome mesopore that first mesopore corresponds the setting, first mesopore with first dome mesopore forms the first through-hole of first sound membrane.
Preferably, first sound membrane still include with the second book ring that first dome is connected, the second book ring include second flange portion, by the outward flange of second flange portion outwards extends the second outside that forms, by the interior border of second flange portion inwards extends the second interior border that forms and by the second well that encloses in the second, the second well with first through-hole corresponds the setting, first dome seted up with the first cyclic annular portion of digging that second flange portion corresponds the first annular portion of digging that sets up, first interior border seted up with first cyclic annular portion of digging corresponds the second annular portion of digging that sets up.
Preferably, the sound membrane includes the third fold ring and encircles the third dome that the third fold ring set up, the third fold ring include third fold ring portion, by the outward third outside that extends formation of outward of the outward flange of third fold ring portion and by the inward third interior limit that extends formation of the inward flange of third fold ring portion, the interior limit of third connect in the fixing base, the third outside connect in the inward flange of third dome, the outward flange of third dome with first rim of a pad is connected.
Preferably, the magnet part comprises a main magnet arranged on the lower clamping plate and surrounding the fixing column and the lower vibration assembly, and an auxiliary magnet arranged on the lower clamping plate and surrounding the main magnet, wherein the magnetic gap is formed between the main magnet and the auxiliary magnet.
Preferably, the main magnet includes a main magnet steel disposed on the lower plate and a main pole core disposed on a side of the main magnet steel away from the lower plate.
Preferably, the auxiliary magnet comprises a first auxiliary magnetic steel arranged on the lower clamp plate and surrounding the main magnetic steel, an upper clamp plate arranged on one side of the lower clamp plate and far away from the first auxiliary magnetic steel, a second auxiliary magnetic steel arranged on one side of the upper clamp plate and far away from the first auxiliary magnetic steel and corresponding to the first auxiliary magnetic steel, and a second pad edge arranged on one side of the upper clamp plate and surrounding the second auxiliary magnetic steel, wherein the outer edge of the upper sound film is connected to one side of the second pad edge far away from the upper clamp plate.
Preferably, go up the sound membrane include the fourth book ring and with the second dome that the fourth book ring is connected, the fourth book ring include fourth book ring portion, by the outward extension of the outward flange of fourth book ring portion forms the fourth outside, by the inward extension of the inward flange of fourth book ring portion forms the fourth interior limit and by the fourth mesopore that encloses in the fourth interior limit, the subsides of second dome are located the fourth interior limit, the second dome seted up with the corresponding second dome mesopore that sets up of fourth mesopore, the fourth mesopore with second dome mesopore forms go up the last through-hole of sound membrane, the skeleton is used for supporting the second dome with the fourth interior limit.
Preferably, the skeleton is including locating vibration subassembly down with go up skeleton main part between the voice diaphragm and follow the outside supporting legs that extends of skeleton main part, the skeleton main part is cyclic annularly, the one end of skeleton main part set firmly in first pad limit is connected with one side of first voice diaphragm, the other end set firmly in go up the voice diaphragm, the supporting legs with the voice coil loudspeaker voice coil stretches into one end in the magnetic gap links to each other.
Preferably, the framework main body is provided with a plurality of openings, the upper sound film, the framework main body and the first sound film are arranged in an enclosing mode to form a second cavity, and the second cavity is communicated with the inner space of the loudspeaker through the openings.
Preferably, the speaker further comprises a circuit board disposed on the supporting leg, and the circuit board is connected to the voice coil.
Preferably, the fracture extends from one end of the cylindrical part far away from the fixed seat to one end of the cylindrical part close to the fixed seat along the vibration direction of the voice coil.
The invention has the beneficial effects that: the invention relates to a vibration system of a loudspeaker, which comprises an upper sound film, a voice coil and a lower vibration assembly, wherein the lower vibration assembly comprises a lower sound film, a first cushion edge arranged on the lower sound film, a first sound film fixed on the first cushion edge and a connecting piece with a hollow channel arranged between the upper sound film and the first sound film, one end of the connecting piece is arranged corresponding to an upper through hole of the upper sound film, the other end of the connecting piece is arranged corresponding to a first through hole of the first sound film, the lower sound film, the first cushion edge and the first sound film are surrounded to form a first cavity communicated with the hollow channel, by the way, the lower vibration assembly forms a vibration increasing structure which vibrates synchronously with the upper sound film, the gas in the first cavity is communicated with the gas flow of the upper sound film through the hollow channel of the connecting piece, under the condition of the same volume, the Sd of the loudspeaker can be increased, and the low-frequency response potential of the loudspeaker is improved; at the same time, the mid-frequency sensitivity (sp l) of the loudspeaker can also be increased.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a speaker according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the loudspeaker of FIG. 1 taken along the line A-A;
FIG. 3 is an exploded view of a lower diaphragm assembly of the loudspeaker according to the present invention;
fig. 4 is an exploded view of a speaker according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a lower plate of a speaker according to an embodiment of the present invention;
fig. 6 is a schematic partial structure diagram of a speaker according to an embodiment of the present invention.
[ detailed description ] embodiments
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.
The terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions.
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 invention. The appearances of the 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. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 6, the speaker 100 includes a vibration system 1 and a magnetic circuit system 2, where the vibration system 1 includes an upper sound membrane 11, a voice coil 12, a lower vibration element 13 and a framework 14, where the voice coil 12 is located below the upper sound membrane 11 to drive the upper sound membrane 11 to vibrate and generate sound, the lower vibration element 13 is located below the upper sound membrane 11 and is fixed to the magnetic circuit system 2, an upper through hole 11a is formed in an inner edge of the upper sound membrane 11, as shown in fig. 2 and 3, the lower vibration element 13 includes a lower sound membrane 131, a first pad edge 132 disposed on an outer edge of the lower sound membrane 131, a first sound membrane 130 fixed to the first pad edge 132, and a connecting member 135 having a hollow channel 135a and disposed between the upper sound membrane 11 and the first sound membrane 130, the outer edge of the first sound membrane 130 is connected to a side of the first pad edge 132 away from the lower sound membrane 131, the inner edge of the first diaphragm 130 is connected to the magnetic circuit system 2, the inner edge of the first diaphragm 130 is formed with a first through hole 130a, one end of the connecting member 135 is disposed to correspond to the upper through hole 11a, and the other end of the connecting member 135 is disposed to correspond to the first through hole 130 a. The bobbin 14 is connected with the voice coil 12, the bobbin 14 connects the lower vibration assembly 13 with the upper sound diaphragm 11, the bobbin 14 includes a bobbin main body 141 connecting the lower vibration assembly 13 and the upper sound diaphragm 11 and a supporting leg 142 extending outwards from the bobbin main body 141, the voice coil 12 is connected with the supporting leg 142, the bobbin main body 141 is annular, the bottom of the bobbin main body 141 is fixedly arranged on one side of the first cushion edge 132 connected with the first sound diaphragm 130, and the top of the bobbin main body 141 is connected with the upper sound diaphragm 11.
Referring to fig. 2, 4 and 5, the magnetic circuit system 2 includes a lower clamp plate 21, specifically, the lower clamp plate 21 includes a plate body 211 and a fixing post 212 formed in the center of the plate body 211, the fixing post 212 is used for fixing and supporting the lower vibration element 13, the fixing post 212 includes a fixing seat 2121 provided on the plate body 211 and a barrel-shaped portion 2122 provided on the fixing seat 2121, a plurality of fractures 2123 are provided on the barrel-shaped portion 2122 at intervals along the circumferential direction of the barrel-shaped portion 2122, the inner edge of the lower sound film 131 is connected to the fixing seat 2121 and disposed around the barrel-shaped portion 2122, and the inner edge of the first sound film 130 is connected to the top end of the barrel-shaped portion 2122. The magnetic circuit system 2 further includes a magnet portion 20 disposed on the lower clamping plate 21 and surrounding the lower vibration assembly 13, the magnet portion 20 is formed with a magnetic gap 20a, an end of the voice coil 12 away from the upper voice diaphragm 11 extends into the magnetic gap 20a, and an end of the voice coil 12 extending into the magnetic gap 20a is connected to the supporting leg 142. In an alternative embodiment, the cutout 2123 extends from an end of the cylindrical portion 2122 away from the holder 2121 to an end of the cylindrical portion 2122 close to the holder 2121 along the vibration direction of the voice coil 12.
The lower vibration component 13 is located in the magnet portion 20, the lower sound film 131, the first pad edge 132 and the first sound film 130 are surrounded to form a first cavity 13a, the cylindrical portion 2122 is located in the first cavity 13a, the voice coil 12 vibrates under the action of a magnetic field generated by the magnetic circuit system 2 to drive the bobbin 14 connected to the voice coil 12 to vibrate, and further drive the upper sound film 11 and the lower vibration component 13 connected to the bobbin 14 to vibrate synchronously, so that the first sound film 130 and the lower sound film 131 in the lower vibration component 13 vibrate synchronously with the upper sound film 11, and the air flow in the first cavity 13a is communicated with the air flow of the hollow channel 135a and the upper sound film 11.
Further, a plurality of openings 143 are formed in the frame main body 141, the upper sound diaphragm 11, the frame main body 141 and the first sound diaphragm 130 are enclosed to form a second cavity 13b, and the second cavity 13b is communicated with the inner space of the speaker 100 through the openings 143.
As shown in fig. 2 and fig. 3, the first sound film 130 includes a first folding ring 133 and a first dome 134 connected to the first folding ring 133, the first folding ring 133 includes a first folding ring portion 1331, a first outer edge 1332 formed by extending an outer edge of the first folding ring portion 1331 outwards, a first inner edge 1333 formed by extending an inner edge of the first folding ring portion 1331 inwards, and a first middle hole 133a surrounded by the first inner edge 1333, the first dome 134 is attached to a surface of the first inner edge 1333 facing away from the lower sound film 131, the first dome 134 is provided with a first dome middle hole 134a corresponding to the first middle hole 133a, and the first middle hole 133a and the first dome middle hole 134a form a first through hole 130a of the first sound film 130.
To further increase the vibration effect, the first diaphragm 130 further comprises a second fold 136 connected to said first dome 134, the second link 136 includes a second link portion 1361, a second outer edge 1362 formed by extending outward from an outer edge of the second link portion 1361, a second inner edge 1363 formed by extending inward from an inner edge of the second link portion 1361, and a second central hole 136a surrounded by the second inner edge 1363, the second central hole 136a is disposed corresponding to the first through hole 130a, the first dome 134 is disposed with a first annular hollow 134b disposed corresponding to the second flange 1361, a second outer edge 1362 and a second inner edge 1363 of the second flange 136 are both connected to the first dome 134, the second outer edge 1362 and the second inner edge 1363 of the second flange 136 are disposed at the outer edge and the inner edge of the first annular hollow 134b respectively, the first inner edge 1333 defines a second annular hollow portion 133b corresponding to the first annular hollow portion 134 b.
In this embodiment, the voice coil 12 drives the upper sound film 11 and the first sound film 130 and the lower sound film 131 in the lower vibration assembly 13 to synchronously vibrate through the framework 14, the lower vibration assembly 13 forms a structure for increasing the flow of the vibration gas, the structure and the upper sound film 11 synchronously vibrate, the gas in the first cavity 13a is communicated with the gas flow of the upper sound film 11 through the hollow channel 135a of the connecting member 135, and under the condition of the same volume, the Sd of the speaker can be increased, and the low-frequency response potential of the speaker is improved; at the same time, the mid-frequency sensitivity (sp l) of the loudspeaker can also be increased.
Referring to fig. 2 and 4, the upper sound diaphragm 11 includes a fourth folded ring 111 and a second dome 112 connected to the fourth folded ring 111, the fourth folded ring 111 includes a fourth folded ring portion 1111, a fourth outer edge 1112 formed by extending an outer edge of the fourth folded ring portion 1111 outward, a fourth inner edge 1113 formed by extending an inner edge of the fourth folded ring portion 1111 inward, and a fourth middle hole 111a surrounded by the fourth inner edge 1113, the second dome 112 is attached to the fourth inner edge 1113, the second dome 112 is provided with a second dome middle hole 112a corresponding to the fourth middle hole 111a, and the fourth middle hole 111a and the second dome middle hole 112a form an upper through hole 11a of the upper sound diaphragm 11.
Referring to fig. 2, 4 and 6, the frame body 141 is disposed between the lower sound diaphragm assembly 13 and the upper sound diaphragm 11 and around the connecting member 135, specifically, a first outer edge 1332 of the first folding ring 133 is connected to the first pad edge 132, a lower end of the frame body 141 is disposed on the first outer edge 1332 of the first folding ring 133, an upper end of the frame body 141 is connected to the second dome 112, and the frame body 141 is further configured to support the second dome 112 and the fourth inner edge 1113.
Referring to fig. 2, 4 and 5, the magnet portion 20 includes a main magnet 201 and an auxiliary magnet 202, the main magnet 201 includes a main magnetic steel 22 disposed on the lower clamp plate 21 and a main pole core 24 disposed on the main magnetic steel 22, and the auxiliary magnet 202 includes a first auxiliary magnetic steel 23 disposed on the lower clamp plate 21, an upper clamp plate 25 disposed on the first auxiliary magnetic steel 23, a second auxiliary magnetic steel 26 disposed on the upper clamp plate 25 and a second pad edge 27 disposed on the upper clamp plate 25. As shown in fig. 2, fig. 4 and fig. 6, the main magnetic steel 22 is disposed on the plate body 211 of the lower clamping plate 21 and disposed around the fixing post 212 and the lower voice coil assembly 13, the first auxiliary magnetic steel 23 is disposed on the plate body 211 of the lower clamping plate 21 and disposed around the main magnetic steel 22, the main pole core 24 is disposed on a side of the main magnetic steel 22 away from the lower clamping plate 21, and the upper clamping plate 25 is disposed on a side of the first auxiliary magnetic steel 23 away from the lower clamping plate 21. The punch holder 25 sets up around voice coil 12, and the vice magnet steel 26 of second is located on the punch holder 25, the vice magnet steel 26 of second and the setting of first vice magnet steel 23 one-to-one, second pad limit 27 are located on the punch holder 25 and around the vice magnet steel 26 of second sets up, and main magnet steel 22 and main pole core 24 form the main magnet 201 that is located the inboard, and first vice magnet steel 23, punch holder 25, the vice magnet steel 26 of second and second pad limit 27 form the vice magnet 202 that is located the outside, form magnetic gap 20a between main magnet 201 and the vice magnet 202.
The outer edge of the upper sound membrane 11 is connected to the side of the second rim 27 away from the upper clamping plate 25, that is, the fourth outer edge 1112 of the fourth folding ring 111 is arranged on the second rim 27. In this embodiment, the plate body 211 of the lower plate 21 is rectangular, the number of the main magnetic steels 22, the number of the first sub magnetic steels 23, and the number of the second sub magnetic steels 26 are four, and are respectively and correspondingly disposed at four edge positions of the rectangle, the supporting leg 142 of the bobbin 14 extends out of the magnetic gap 20a through the space between two adjacent main magnetic steels 22 and is connected to the voice coil 12, and one end of the voice coil 12 extending into the magnetic gap 20a is disposed on the supporting leg 142.
In the present embodiment, the main magnetic steel 22, the first sub magnetic steel 23 and the second sub magnetic steel 26 are made of a permanent magnetic material, and the main pole core 24, the upper clamping plate 25, the second rim 27 and the lower clamping plate 21 are made of a magnetic conductive material such as carbon steel.
Further, the speaker 100 further includes a circuit board 3 disposed on the supporting leg 142, one end of the circuit board 3 is connected to the external circuit, the other end of the circuit board 3 is connected to the voice coil 12, and one end of the circuit board 3 connected to the supporting leg 142 is located between the supporting leg 142 and one end of the voice coil 12 extending into the magnetic gap 20 a. In an alternative embodiment, the circuit board 3 is a flexible circuit board.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (12)
1. A loudspeaker is characterized by comprising a vibration system and a magnetic circuit system, wherein the magnetic circuit system comprises a lower clamping plate and a magnet part arranged on the lower clamping plate, the lower clamping plate comprises a plate body and a fixing column formed in the center of the plate body, the fixing column comprises a fixing seat arranged on the plate body and a cylindrical part arranged in the center of the fixing seat, and a plurality of fractures arranged at intervals along the circumferential direction of the cylindrical part are arranged on the cylindrical part; the vibration system comprises an upper sound film, a voice coil, a lower vibration component and a framework, wherein the voice coil is located below the upper sound film and drives the upper sound film to vibrate and sound, the lower vibration component is located below the upper sound film and fixedly connected to the fixed column, the framework is connected with the lower vibration component and the upper sound film, an upper through hole is formed in the inner edge of the upper sound film, the lower vibration component comprises a lower sound film, the inner edge of the lower sound film is fixed to the fixed seat and surrounds the cylindrical portion, a first cushion edge is arranged on the outer edge of the lower sound film and far away from one side of the plate body, the outer edge of the lower sound film is fixed to the first cushion edge and far away from one side of the lower sound film, the inner edge of the first sound film is fixed to the cylindrical portion and far away from one side of the fixed seat, and a connecting piece with a hollow channel is arranged between the upper sound film and the first sound film, a first through hole, The other end of the connecting piece is arranged corresponding to the first through hole, and the framework is connected with the voice coil; the magnet part is arranged around the lower vibration assembly, a magnetic gap is formed in the magnet part, and one end, far away from the upper sound film, of the voice coil extends into the magnetic gap; the lower sound film, the first pad edge and the first sound film are arranged in a surrounding mode to form a first cavity communicated with the hollow channel.
2. The loudspeaker of claim 1, wherein: first sound membrane include first dog-ear and with first dome that first dog-ear is connected, first dog-ear includes first dog-ear portion, by the outward flange of first dog-ear portion outwards extends the first outside that forms, by the inward flange of first dog-ear portion inwards extends the first interior limit that forms and by the first mesopore that encloses in the first interior limit, first dome subsides are located first interior limit, first dome seted up with first mesopore that first mesopore corresponds the first dome mesopore that sets up, first mesopore with first dome mesopore forms the first through-hole of first sound membrane.
3. The loudspeaker of claim 2, wherein: first sound membrane still include with the second book ring that first dome is connected, the second book ring include second flange portion, by the outward extension of the outward flange of second flange portion forms the second outside, by the interior border of the inward extension of second flange portion forms in the second and by the second mesopore that encloses in the second, the second mesopore with first through-hole corresponds the setting, first dome seted up with the first cyclic annular portion of digging that second flange portion corresponds the setting, first interior border seted up with the first cyclic annular portion of digging that digs that first cyclic annular portion of digging corresponds the setting is dug empty.
4. The loudspeaker of claim 1, wherein: lower sound membrane includes the third fold ring and encircles the third dome that the third fold ring set up, the third fold ring include third fold ring portion, by the outward third outside that extends formation of the outward flange of third fold ring portion and by the inward third interior limit that extends formation of the inward flange of third fold ring portion, the interior limit of third connect in the fixing base, the third outside connect in the inward flange of third dome, the outward flange of third dome with first pad limit is connected.
5. The loudspeaker of claim 1, wherein: the magnet portion is including locating on the lower plate around the fixed column with the vice magnet that the subassembly set up is shaken down to the vice magnet that sets up around the main magnet on the lower plate, the main magnet with form between the vice magnet the magnetic gap.
6. The loudspeaker of claim 5, wherein: the main magnet comprises main magnetic steel arranged on the lower clamp plate and a main pole core arranged on one side, far away from the lower clamp plate, of the main magnetic steel.
7. The loudspeaker of claim 6, wherein: the auxiliary magnet comprises a first auxiliary magnetic steel arranged on the lower clamp plate and surrounding the main magnetic steel, an upper clamp plate arranged on one side of the lower clamp plate and far away from the first auxiliary magnetic steel, a second auxiliary magnetic steel arranged on one side of the upper clamp plate and far away from the first auxiliary magnetic steel and corresponding to the first auxiliary magnetic steel, and a second pad edge arranged on one side of the upper clamp plate and surrounding the second auxiliary magnetic steel, wherein the outer edge of the upper sound film is connected to one side of the second pad edge far away from the upper clamp plate.
8. The loudspeaker of claim 1, wherein: go up the sound membrane include the fourth book ring and with the second dome that the fourth book ring is connected, the fourth book ring include fourth book ring portion, by the outward fourth outside that extends the formation of the outward flange of fourth book ring portion, by the inward flange of fourth book ring portion inwards extends the fourth interior limit that forms and by the fourth mesopore that encloses in the fourth, the subsides of second dome are located the fourth interior limit, the second dome seted up with the second dome mesopore that the fourth mesopore corresponds the setting, the fourth mesopore with the second dome mesopore forms go up the last through-hole of sound membrane, the skeleton is used for supporting the second dome with the fourth interior limit.
9. The loudspeaker of claim 1, wherein: the skeleton is including locating vibration subassembly down with go up skeleton main part between the voice diaphragm and follow the outside supporting legs that extends of skeleton main part, the skeleton main part is cyclic annularly, the one end of skeleton main part set firmly in first pad limit is connected with one side of first voice diaphragm, the other end set firmly in go up the voice diaphragm, the supporting legs with the voice coil loudspeaker voice coil stretches into one end in the magnetic gap links to each other.
10. The loudspeaker of claim 9, wherein: the loudspeaker is characterized in that a plurality of holes are formed in the framework main body, the upper sound film, the framework main body and the first sound film are arranged in an enclosing mode to form a second cavity, and the second cavity is communicated with the inner space of the loudspeaker through the holes.
11. The loudspeaker of claim 9, wherein: the loudspeaker also comprises a circuit board arranged on the supporting legs, and the circuit board is connected with the voice coil.
12. The loudspeaker of claim 1, wherein: the fracture is followed the one end of tube-shape portion of keeping away from the fixing base is followed the vibration direction of voice coil loudspeaker voice coil to the tube-shape portion is close to the one end of fixing base extends.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588140.0A CN111901732B (en) | 2020-06-24 | 2020-06-24 | Loudspeaker |
| PCT/CN2020/099854 WO2021258418A1 (en) | 2020-06-24 | 2020-07-02 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588140.0A CN111901732B (en) | 2020-06-24 | 2020-06-24 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111901732A CN111901732A (en) | 2020-11-06 |
| CN111901732B true CN111901732B (en) | 2021-04-27 |
Family
ID=73207848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010588140.0A Expired - Fee Related CN111901732B (en) | 2020-06-24 | 2020-06-24 | Loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111901732B (en) |
| WO (1) | WO2021258418A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383854B (en) * | 2020-11-30 | 2022-05-03 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound producing device |
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| US7305750B2 (en) * | 2004-02-18 | 2007-12-11 | Jl Audio, Inc. | Method of assembling a loudspeaker |
| CN104837097A (en) * | 2015-05-08 | 2015-08-12 | 歌尔声学股份有限公司 | Loudspeaker device |
| CN106331962A (en) * | 2016-09-30 | 2017-01-11 | 青岛海信电器股份有限公司 | Loudspeaker |
| CN107950035A (en) * | 2015-08-07 | 2018-04-20 | 富电电子（株） | Linear acoustic transducer |
| CN108513228A (en) * | 2018-06-25 | 2018-09-07 | 歌尔股份有限公司 | Loud speaker and portable terminal |
| CN109769178A (en) * | 2018-12-30 | 2019-05-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker monomer |
| CN110149580A (en) * | 2019-05-10 | 2019-08-20 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN111131976A (en) * | 2020-03-05 | 2020-05-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN111131977A (en) * | 2020-03-05 | 2020-05-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN210670547U (en) * | 2019-11-19 | 2020-06-02 | 北京小米移动软件有限公司 | Speaker device and mobile terminal |
-
2020
- 2020-06-24 CN CN202010588140.0A patent/CN111901732B/en not_active Expired - Fee Related
- 2020-07-02 WO PCT/CN2020/099854 patent/WO2021258418A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7305750B2 (en) * | 2004-02-18 | 2007-12-11 | Jl Audio, Inc. | Method of assembling a loudspeaker |
| CN104837097A (en) * | 2015-05-08 | 2015-08-12 | 歌尔声学股份有限公司 | Loudspeaker device |
| CN107950035A (en) * | 2015-08-07 | 2018-04-20 | 富电电子（株） | Linear acoustic transducer |
| CN106331962A (en) * | 2016-09-30 | 2017-01-11 | 青岛海信电器股份有限公司 | Loudspeaker |
| CN108513228A (en) * | 2018-06-25 | 2018-09-07 | 歌尔股份有限公司 | Loud speaker and portable terminal |
| CN109769178A (en) * | 2018-12-30 | 2019-05-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker monomer |
| CN110149580A (en) * | 2019-05-10 | 2019-08-20 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN210670547U (en) * | 2019-11-19 | 2020-06-02 | 北京小米移动软件有限公司 | Speaker device and mobile terminal |
| CN111131976A (en) * | 2020-03-05 | 2020-05-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN111131977A (en) * | 2020-03-05 | 2020-05-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111901732A (en) | 2020-11-06 |
| WO2021258418A1 (en) | 2021-12-30 |
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