CN106604187A - Receiver having dual vibration membranes - Google Patents
Receiver having dual vibration membranes Download PDFInfo
- Publication number
- CN106604187A CN106604187A CN201710010670.5A CN201710010670A CN106604187A CN 106604187 A CN106604187 A CN 106604187A CN 201710010670 A CN201710010670 A CN 201710010670A CN 106604187 A CN106604187 A CN 106604187A
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- Prior art keywords
- dividing plate
- receiver
- fixed
- reed
- vibrating
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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
- H04R9/08—Microphones
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
Abstract
The invention discloses a receiver having dual vibration membranes. The receiver comprises a housing, two sets of vibration membrane mechanisms, and an electromagnetic drive mechanism. The housing has an inner cavity; the two sets of vibration membrane mechanisms are arranged in the inner cavity together and the edge of each of the two sets of vibration membrane mechanisms is connected with the side wall of the inner cavity in a sealing manner; and the electromagnetic drive mechanism fixedly arranged in the inner cavity is used for generating a vibrating force. The vibrating force generated by the electromagnetic drive mechanism is applied to a connecting element; and the connecting element and the two sets of vibration membrane mechanisms are fixedly connected in a synchronous and homodromous vibration. A sound outlet is formed in the side wall of the inner cavity. When one set of electromagnetic drive mechanism is used for generating the acting force for driving the connecting element to make vibration, the connecting element drives the two sets of vibration membrane mechanisms to make synchronous and homodromous vibration, so that the frequency of driving the two sets of vibration membrane mechanisms to make air vibration is consistent and sounds made by the two sets of vibration membrane mechanisms become synchronous. Therefore, a phenomenon of sound distortion of the two sets of vibration membrane mechanisms can be avoided; and thus the audio volume of the receiver doubles, so that the sound quality can be improved.
Description
Technical field
The present invention relates to the technical field of microphone device, and in particular to a kind of receiver with bimodulus.
Background technology
Receiver is widely used in the portable electronic equipments such as mobile phone, computer, sonifer, is a kind of for the small of sounding
Type device.Receiver's Oscillation Amplitude of double units is big, can export the sound of more high tone quality, be liked by people, but double
The receiver of unit easily problem appear to is that the pronunciation of two units is asynchronous, it is easy to the phenomenon of distortion occur.
For example, Chinese patent literature CN106131759A discloses a kind of couple of unit receiver, including upper shell and lower house,
Upper shell forms front cavity with lower house, arranges an independent vocal structure respectively in upper shell and lower casing body, and upper
Housing opens up outlet sound mouth with the outside wall surface of the junction of lower house, and sound mouth is arranged on outlet sound mouth.
Above-mentioned couple of unit receiver, two sound generating mechanisms individually pronounce, and sound first mixes in ante-chamber, mixed sound
Jing senders enter sound mouth again.But, due to the vocal structure of two receivers, by respective coil, magnet and reed shape
Into driving structure driving, two vocal structures will necessarily be caused to keep synchronous vibration, still resulted in and sent
Sound there is the phenomenon of distortion.
The content of the invention
Therefore, the technical problem to be solved in the present invention is that the receiver for overcoming of the prior art pair of unit easily occurs
Distortion, impact send the sound quality problem of sound.
For this purpose, the present invention provides a kind of receiver with double diaphragm, including
Shell, with inner chamber；
Liang Tao vibrating diaphragms mechanism, is co-located in the inner chamber, often cover the edge of the vibrating diaphragm mechanism with the inner chamber
Side wall be tightly connected；
Electromagnetic drive mechanism, is fixedly installed in the inner chamber, for producing vibration force；
The vibration force that the electromagnetic drive mechanism is produced is applied on a connector, the connector with shake two sets Suo Shu
Film mechanism is together fixedly connected in the way of synchronous vibration in the same direction；At least one sound mouth is provided with the intracavity sidewall.
Preferably, the inner chamber is divided into and is in by the above-mentioned receiver with double diaphragm, two sets of vibrating diaphragm mechanisms
Two side chambers of the intracavity sidewall and the vibrating diaphragm mechanism, and the intermediate cavity between two sets of vibrating diaphragm mechanisms；It is described
Electromagnetic drive mechanism is fixedly installed in the intermediate cavity；
The sound mouth is at least two, and sound mouth described at least one is opened on the side wall of a side chamber, its
The remaining sound mouth is opened on the side wall of the intermediate cavity.
Preferably, the above-mentioned receiver with double diaphragm, is provided with the inner chamber and fixes company with the intracavity sidewall
The dividing plate for connecing, the electromagnetic drive mechanism are fixed in the inner chamber by the dividing plate.
It is further preferred that the above-mentioned receiver with double diaphragm, the dividing plate is two pieces for being parallel to each other, and is all provided with
Put in the intermediate cavity.
More preferably preferably, the above-mentioned receiver with double diaphragm, the shell is by upper shell, middle housing and lower house
Constitute, the middle housing is fixed between the upper shell and the lower house；
One is fixedly connected between the ora terminalis and the ora terminalis of the upper shell of the direction upper shell of the middle housing
The dividing plate, is fixedly connected another between the ora terminalis and the ora terminalis of the lower house of the direction lower house of the middle housing
The dividing plate；The first through hole that for the connector pass through is opened up on dividing plate described in two；
Sound mouth described at least one is opened up on the side wall of the upper shell, on the side wall of the lower house, at least one is opened up
The individual sound mouth.
Preferably, the above-mentioned receiver with double diaphragm, the electromagnetic drive mechanism include being fixed in the inner chamber
For producing the electromagnetic assembly of electromagnetic force；And by the reed of the electromagnetism force-disturbance, the reed has hanging described interior
In chamber and it is connected to the shaker arm of the connector.
It is further preferred that the above-mentioned receiver with double diaphragm, the electromagnetic assembly includes opposite polarity and just right
The first magnet for arranging and the second magnet, and the coil being set on the shaker arm of the reed；First magnet and second
The end contact with the coil of end face of magnet near the coil；
The shaker arm stretches out from the coil and connects through the gap first magnet and second magnet
It is connected to the connector.
Preferably, one of the above-mentioned receiver with double diaphragm, described dividing plate open up the second through hole；The reed with
The fixed part that the shaker arm is fixedly connected is fixed in the baffle surface through second through hole.
It is further preferred that the above-mentioned receiver with double diaphragm, logical relative to described second on another dividing plate
Third through-hole is opened up at the position in hole；The top and bottom of the coil is respectively embedded into second through hole and the third through-hole
It is interior, and the fixed part crosses and is fixed at the top of the coil on the dividing plate.
Preferably, the above-mentioned receiver with double diaphragm, the vibrating diaphragm mechanism include
Fixed frame, with hollow space, is fixed on the inside the shell wall；
Vibrating reed, one end are fixed on the surface of the fixed frame, and the other end is vacantly above the fixed frame, and its length
Length of the degree less than the hollow space；
Vibrating diaphragm, is fixed in the hollow space and fills the full hollow space, positioned at the lower section of the vibrating reed.
Preferably, the above-mentioned receiver with double diaphragm, the tubular in the rectangular section of the middle housing；And/or
The reed is U-shaped or E types；The two ends of the U-shaped reed are respectively the shaker arm and fixed part；The E types
, used as the fixed part, intermediate arm is used as the shaker arm for the horizontal arm of the vertical portion and top of reed；And/or
Sound tube is set in the outside wall surface of the shell, and the sound tube is enclosed in all sound mouths in which；With/
Or
The connector is conductive bar.
Preferably, the above-mentioned receiver with double diaphragm, is provided with pad in the outside wall surface of the shell；
The coil bottom two side is respectively provided with positive wire and negative wire, and the positive wire and the negative pole draw
Line direction horizontally outward extends and is connected on the pad back to the second magnet direction.
Preferably, the above-mentioned receiver with double diaphragm, dividing plate described in two, and between two dividing plates
The side wall of the intermediate cavity is made using soft magnetic material, to form the electromagnetic circuit of closure；
The thickness of the dividing plate and/or the thickness positioned at the side wall of the intermediate cavity described in two between dividing plate are more than described
Sidewall thickness at the other positions of inner chamber.
Technical scheme, has the advantage that：
1. the present invention discloses a kind of receiver with double diaphragm, including shell, Liang Tao vibrating diaphragms mechanism and Electromagnetic Drive machine
Structure.Wherein, shell has inner chamber；Liang Tao vibrating diaphragms mechanism is co-located in the inner chamber, often covers the edge of the vibrating diaphragm mechanism
It is tightly connected with the side wall of the inner chamber；Electromagnetic drive mechanism is fixedly installed in the inner chamber, for producing vibration force；Institute
The vibration force for stating electromagnetic drive mechanism generation is applied on a connector, and the connector is with two sets of vibrating diaphragm mechanisms with same
The mode that step is vibrated in the same direction is together fixedly connected；At least one sound mouth is provided with the intracavity sidewall.
Liang Tao vibrating diaphragms mechanism is fixedly connected by the receiver with double diaphragm of this structure by a connector, and
The direction of vibration of Liang Tao vibrating diaphragms mechanism is identical, when the active force of drive connection part vibration is produced with a set of electromagnetic drive mechanism,
Connector drives Liang Tao vibrating diaphragms mechanism to do synchronous vibration in the same direction, so that Liang Tao vibrating diaphragms mechanism drives the frequency one of air vibration
Cause, the synchronous sound for sending solves the phenomenon of existing Liang Tao vibrating diaphragms mechanism sounding distortion, so as to the audio frequency by receiver rings
Degree is doubled, and improves pronunciation quality.
2. the present invention discloses a kind of receiver with double diaphragm, and shell is made up of upper shell, middle housing and lower house,
The middle housing is fixed between the upper shell and the lower house；In the ora terminalis of the direction upper shell of the middle housing
Be fixedly connected a dividing plate between the ora terminalis of the upper shell, the ora terminalis of the direction lower house of the middle housing with
Another dividing plate is fixedly connected between the ora terminalis of the lower house；Open up on dividing plate described in two and pass through for the connector
First through hole.Shell is divided into three parts by the receiver of this structure, assemble this receiver when, with upper shell, middle housing,
Lower house is three modules, and the part in three separate modulars is independently installed, in being finally arranged on upper shell and lower house again
On the two ends of housing, it is easy to the assembling process of receiver, the whole technique of simplification.
3. the present invention discloses a kind of receiver with double diaphragm, the tubular in the rectangular section of the middle housing；And/or institute
State that reed is U-shaped or E types；The two ends of the U-shaped reed are respectively the shaker arm and fixed part；The E types reed it is vertical
, used as the fixed part, intermediate arm is used as the shaker arm for the horizontal arm at portion and top.By middle housing design rectangular section
Tubular, can directly process according to required high accuracy, there is provided the manufacture difficulty of shell machining accuracy and reduction receiver.
4. the present invention discloses a kind of receiver with double diaphragm, the dividing plate, and is located between two dividing plates
The side wall of the intermediate cavity made using soft magnetic material, to form the electromagnetic circuit of closure；The thickness of the dividing plate and/
Or the thickness of the side wall of the intermediate cavity between described two dividing plates is more than the side wall at the other positions of the inner chamber
Thickness.The receiver of this structure, as closure is formed between two pieces of dividing plates and the side wall of the intermediate cavity between two dividing plates
Electromagnetic circuit, by the sidewall thickness for increasing this electromagnetic circuit median septum or the intermediate cavity between two dividing plates, and then
Increase electromagnetic flux in whole electromagnetic circuit, so as to improve the sounding power of receiver.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the receiver with double diaphragm provided in embodiments of the invention 1；
Fig. 2 is the exploded perspective view of the receiver with double diaphragm provided in embodiments of the invention 1；
Fig. 3 is that the shell of the receiver with double diaphragm provided in embodiments of the invention 1 and the blast of dividing plate are shown
It is intended to；
Fig. 4 is that the schematic perspective view of the receiver with double diaphragm provided in embodiments of the invention 1 (goes to drop out sound
Pipe and pad)；
Fig. 5 is the longitudinal profile schematic diagram of the receiver with double diaphragm provided in embodiments of the invention 1；
Fig. 6 is that the receiver with double diaphragm provided in embodiments of the invention 1 removes the structural representation after shell
Figure；
Fig. 7 is after the receiver with double diaphragm provided in embodiments of the invention 1 removes shell and vibrating diaphragm mechanism
Structural representation；
Description of reference numerals：1- vibrating diaphragms mechanism；11- fixed frames；12- vibrating reeds；2- shells；21- side chambers；22- intermediate cavities；
23- upper shells；Housing in 24-；25- lower houses；26- sound mouths；3- connectors；4- reeds；41- fixed parts；42- shaker arms；
The first magnets of 51-；The second magnets of 52-；6- coils；61- positive wires；62- negative wires；7- sound tubes；8- pads；9- every
Plate；91- first through hole；The second through holes of 92-；93- third through-holes.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to description the present invention and simplify description, rather than indicate or imply indication device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as additionally, the non-structure each other of technical characteristic involved in invention described below different embodiments
Can just be combined with each other into conflict.
Embodiment 1
The present embodiment provides a kind of receiver with double diaphragm, as shown in Figure 1, Figure 2 with shown in Fig. 5, including 2, two sets of shell
Vibrating diaphragm mechanism 1, connector 3, electromagnetic drive mechanism, two pieces of dividing plates 9, pad 8 and sound tubes 7.
As shown in Figures 2 and 3, shell 2 has inner chamber, is made up of upper shell 23, middle housing 24 and lower house 25, middle housing
24 are fixed between upper shell 23 and lower house 25；In the ora terminalis of the ora terminalis towards upper shell 23 and upper shell 23 of middle housing 24
Between be fixedly connected a dividing plate 9, it is fixed between the ora terminalis towards lower house 25 and the ora terminalis of lower house 25 of middle housing 24 to connect
Connect another dividing plate 9；The first through hole 91 that for connector 3 pass through is opened up on two dividing plates 9.Preferably, middle housing 24 is rectangular
The tubular in section, such as square, cuboid or cylinder, the middle housing 24 of tubular are easy to according to required precision process,
Reduce the difficulty of housing 24 in processing.
As shown in figure 5, the edge of Liang Tao vibrating diaphragms mechanism 1 is connected with the medial wall sealing of upper shell 23 and lower house 25 respectively
Connect, Liang Tao vibrating diaphragms mechanism 1 is arranged in the way of synchronous vibration in the same direction, and the inner chamber of shell 2 is divided into two by Liang Tao vibrating diaphragms mechanism 1
Side chamber 21 and the intermediate cavity 22 between Liang Tao vibrating diaphragms mechanism 1；Surround between the vibrating diaphragm mechanism 1 in the inner of upper shell 23 and position
One side chamber 21, surrounds another side chamber 21, during two dividing plates 9 are located between lower house 25 and position vibrating diaphragm mechanism 1 in the inner
Between in chamber 22.
As shown in fig. 6, every suit vibrating diaphragm mechanism 1 includes fixed frame 11, vibrating reed 12 and vibrating diaphragm.Wherein, fixed frame 11
With hollow space, it is fixed on 25 internal face of upper shell 23 or lower house；One end of vibrating reed 12 is fixed on fixed frame 11
On the surface of side, the other end is vacantly in the top of 11 side surface of fixed frame, and its length is less than the length of hollow space；Shake
Film (not shown) is fixed in hollow space and fills full hollow space, positioned at the lower section of vibrating reed 12.That is, along fixed
There is vibration gap between the internal face of the length direction of frame 11, vibrating reed 12 and fixed frame 11, to drive air vibration sounding；
The effect of vibrating diaphragm is to agitate the air around vibrating reed 12, so that vibrating reed 12 vibrates the air and carrys out sounding.
Electromagnetic drive mechanism includes being fixed in intermediate cavity 22 is used for the electromagnetic assembly for producing electromagnetic force；And receive electromagnetic force
The reed 4 of disturbance.As shown in Figure 5 and Figure 6, wherein, electromagnetic assembly include opposite polarity and just to arrange 51 He of the first magnet
Second magnet 52, and it is set in shaker arm 42 (hereinafter referring to) coil 6 of reed 4；First magnet 51 and the second magnet 52
The end contact of the end face of close coil 6 with coil 6；First magnet 51 and the second magnet 52 be separately fixed at one every
On plate 9 (upper baffle and underlying dividing plate are located in Fig. 5).
Reed 4 is preferably U-shaped reed 4, and one end of U-shaped reed 4 sequentially passes through coil 6, the first magnet as shaker arm 42
51 and second the gap formed between magnet 52 be connected to connector 3, and the shaker arm 42 is hanging in intermediate cavity 22, U-shaped
The other end of reed 4 is used as fixed part 41 is through the second through hole 92 for opening up on a dividing plate 9 and the top of crossing coil 6 is fixed
On the surface of the dividing plate 9.That is, the two ends of reed 4 are distributed in the two of a dividing plate 9 (dividing plate 9 above in Fig. 5)
On side surface.The two ends of connector 3 are each passed through the first through hole 91 of a dividing plate 9 and are connected to shaking in a set of vibrating diaphragm mechanism 1
On the one end in the close vibration gap of moving plate 12.Preferably, connector 3 is drive link.
As shown in Figure 3 and Figure 6, third through-hole 93 is opened up at the position on another dividing plate 9 relative to the second through hole 92；Coil
6 top and bottom are respectively embedded in the second through hole 92 and third through-hole 93, most preferably, and the second through hole is fixed at the top of coil
In 92, and the fixed part 41 of reed 4 is located at the over top of coil 6, and the second through hole 92 and third through-hole 93 open up to form line
The avoidance hole that circle 6 is installed so that the spacing between two dividing plates 9 is reduced, on the premise of reed oscillation space is not reduced, can
By the less of the height design of middle housing so that it is thinner that receiver does, the small volume shared by receiver；93 He of third through-hole
The setting of the second through hole 92 also acts as the function to 6 installation site of coil positioning, is easy to the installation of coil 6.
In addition, as shown in Figure 2 and Figure 5, pad 8,6 bottom two of coil are set in the outside wall surface of middle housing 24 and lower house 25
Side wall is respectively provided with positive wire 61 and negative wire 62, and above-mentioned third through-hole 93 is in normally opened back to 51 side of the first magnet
Mouth, positive wire 61 and negative wire 62 are extended to outer from the normally open of the first through hole 91 back to the first magnet 51 and are connected respectively
The positive pole solder joint being connected on pad 8 and negative pole solder joint.
As shown in figure 4, opening up a sound mouth 26 on the side wall of side chamber 21 in upper shell 23, this side chamber 21 forms first
Sounding chamber, positioned at middle housing 24 towards the intermediate cavity between the dividing plate 9 on 25 1 side surface of lower house and another set of vibrating diaphragm mechanism 1
Another sound mouth 26 is opened up on 22 side wall (i.e. the side wall of lower house 25), this intermediate cavity 22 forms the second sounding chamber；Lower casing
Side chamber 21 in body 25 forms the first counter balance pocket, between the vibrating diaphragm mechanism 1 in the dividing plate 9 and upper shell 23 of lower house 25
Intermediate cavity 22 is used as the second counter balance pocket；And sound tube is set in the outside wall surface of upper shell 23, middle housing 24 and lower house 25
7, sound tube 7 is enclosed in two sound mouths 26 in which.That is, two sounding chambers and two counter balance pocket in receiver, are formed,
So that the sound quality for sending is higher.
To cause isolating between the second sounding chamber and the first counter balance pocket, positioned on the dividing plate 9 at lower house 25
Fluid sealant is set in first through hole 91 so that drive link is passed through in first through hole 91, between the second sounding chamber and the first counter balance pocket
Isolation.
In addition, above-mentioned 24, two dividing plates 9 of middle housing are made using soft magnetic materials, and such as iron-nickel alloy, two dividing plates
9 electromagnetic circuits that closure is formed with middle housing 24, by the thickness of middle housing 24 and the enlarged in thickness of dividing plate 9 so that middle housing 24
Thickness and the thickness of dividing plate 9 be both greater than the thickness of upper shell 23 and lower house 25, so as to increasing the electromagnetism in electromagnetic circuit
Flux, improves the sounding power of receiver.
Additionally, the fixed form between upper shell 23, middle housing 24, dividing plate 9 and lower house 25 is preferably connect using gluing,
Or spot welding mode.Similarly, 6, two pieces of magnets of coil and reed 4, the fixed form of vibrating diaphragm mechanism 1 are preferably using gluing
Connect or spot welding mode, or other fixed forms of the prior art.
The receiver with double diaphragm in this embodiment, on the one hand by arranging a connector 3 by two sets of vibrating diaphragms
Mechanism 1 is together fixedly connected in synchronous vibration mode in the same direction, after being powered to coil 6, coil 6 and the first magnet 51 and the second magnetic
Under the cooperation of body 52, the electromagnetic force of the vibration of shaker arm 42 of disturbance reed 4 is produced, and the shaker arm 42 of reed 4 is vibrated with the company of drive
Fitting 3 vibrates so that the vibrating reed 12 on connector 3 in fixed Liang Tao vibrating diaphragms mechanism 1 does synchronous vibration in the same direction, drives air
The frequency of vibration is identical, and the frequency of sounding is consistent, and the sound mouth 26 on the sound for sending sounding chamber Jing various respectively is aggregated into
In sound tube 7, so that the diaphragm oscillations amplitude and frequency in Liang Tao vibrating diaphragms mechanism 1 is consistent, ask distortion is solved
While topic, audio loudness is doubled, improvement sends the quality of sound.
Another aspect shell 2 is divided into when receiver is assembled by constituting into upper shell 23, middle housing 24 and lower house 25
Three independent modules, first will be three modules independently installed good, and finally again by three module general assemblies, concrete assembling process is：Will
One vibrating diaphragm mechanism 1 is fixed in upper shell 23 and forms the first module；Another vibrating diaphragm mechanism 1 is fixed on into shape in lower house 25
Into the second module；First coil 6 is set on reed 4, the first magnet 51 and reed 4 are fixed on a dividing plate 9, drive link connects
It is connected on reed 4；Second magnet 52 is fixed on another dividing plate 9, then will be fixed with the dividing plate 9 of coil 6 and the first magnet 51
On the opening towards upper shell 23 of middle housing 24, then by another dividing plate 9 be fixed on middle housing 24 towards lower casing
On the opening of body 25, due to opening up third through-hole 93, when coil is installed, only need in the embedded third through-hole 93 in bottom of coil,
Allow for the second magnet 52 just right with the first magnet 51, and two magnets are near end with coil of end face of coil
Face contacts, and so as to ensure that electromagnetic drive mechanism forms the electromagnetic force for driving reed vibration, forms three module；Treat three modules point
After individually packaged, then upper shell 23 is fixed on the dividing plate 9 in 24 open top of middle housing, lower house 25 is held within
On another dividing plate 9 on 24 bottom opening of middle housing, the two ends of drive link are connected to the vibration in Liang Tao vibrating diaphragms mechanism 1
Piece 12, so as to complete the assembling process of whole receiver so that whole assembling process simplifies, and forms modular assembling process,
So as to improving work efficiency and reducing manufacturing cost.
Wherein, the thickness of middle housing 24 and two dividing plates 9 is increased, changes two dividing plates 9 and middle housing 24 formed
Electromagnetic flux in closed electromagnetic loop, so as to increase the sounding power of receiver, middle housing 24 and two dividing plates 9 increase thickness
Size according to reality processing product when, it is desirable to the size of sounding power is determining.
In addition, one end of U-shaped reed 4 is fixed on the surface of dividing plate 9 through the second through hole 92 so that U-shaped reed 4
Two ends are distributed in the both sides of dividing plate 9, on the one hand coil 6 can be directly anchored to the dividing plate 9 near the side of upper shell 23
On bottom, above-mentioned three module is formed, on the other hand cause the gap width between the first magnet 51 and the second magnet 52
Bigger, reed 4 has bigger space oscillations, increases the amplitude of vibrating diaphragm mechanism 1, further improves the audio loudness of receiver,
The quality of sounding can be improved.
As interchangeable embodiment, the volume in the first above-mentioned sounding chamber and the second sounding chamber can also be designed
Difference, is cooperated by the vibrating diaphragm mechanism 1 of two sounding intracavity, can export the sound of different frequency.
As interchangeable embodiment, the thickness of above-mentioned dividing plate 9 and middle housing 24 can as, it is also possible to differ
Sample, as long as adjusting the size of electromagnetic flux in electromagnetic circuit by the thickness of housing in change 24 and two dividing plates 9.Example
Such as, the sounding power of some product needed receivers is relatively low, then by the thickness of middle housing 24 or dividing plate 9 do it is thinner, or even
It is all thinner than the thickness of upper shell 23 or lower house 25；And for example, the sounding power of some product needed receivers is very big, now may be used
So that the thickness of middle housing 24 and two dividing plates 9 all to be increased, or only increase in housing 24 thickness, or only increase two pieces every
The thickness of plate 9 or one piece of dividing plate 9, adjusts the size of electromagnetic flux.As further interchangeable embodiment, go back
Can be by 24, two pieces of dividing plates 9 of middle housing as the thickness of upper shell 23, lower house 25 does.
Used as interchangeable embodiment, above-mentioned third through-hole 93 is not in normally open back to the side of the first magnet 51,
The positive wire 61 and negative wire 62 of coil 6 is connected to the pad 8 in 2 outside wall surface of shell directly through the dividing plate 9.As change
Shape, the positive wire 61 and negative wire 62 of coil 6 may be also secured at the other positions of coil 6, and two leads stretch out
Pad 8 is connected to through middle housing 24.
Used as the deformation of reed 4, reed 4 can be made with E types reed 4, the horizontal arm of the vertical portion and top of E types reed 4
For fixed part 41, used as shaker arm 42, coil 6 is set on the intermediate arm of E types reed 4 intermediate arm, and intermediate arm is connected with drive link
Connect.Used as further deforming, reed 4 in addition to above-mentioned shape can also be other shapes, only need which to have shaker arm 42, and
The fixed part 41 being fixedly connected with shaker arm 42.
Used as deformation, middle housing 24 in addition to the tubular for rectangular in cross-section can also be the structure of other shapes, only need
Which has hollow cavity.
Used as further deformation, connector 3 can also be other attachment structures, such as plate.Only two sets need to be shaken
Film mechanism 1 is together fixedly connected with synchronous mode of vibration in the same direction.
As the deformation of vibrating diaphragm mechanism 1, vibrating diaphragm mechanism 1 can also be it is existing be applied in existing receiver shake
Film mechanism 1, only needs its vibrating reed 12 having to drive diaphragm oscillations to drive air vibration to carry out sounding.
As deformation, on another dividing plate 9, third through-hole 93 is not opened up, the installation of depression is directly opened up on the dividing plate 9
Groove, the top and bottom of coil 6 are respectively embedded in the second through hole 92 and mounting groove, and the peace to coil 6 is easy in the setting of mounting groove
Set position；Or mounting groove is not provided with, directly the bottom of coil 6 is directly anchored on two dividing plates 9, for example with gluing
Connect.As further deformation, can also be without opening up the second through hole 92 on dividing plate 9, the top of coil 6 is directly anchored to the dividing plate
In 9 lower surface；The fixed part 41 of reed 4 is avoided installation site of first magnet 51 on dividing plate 9 and is fixed on the dividing plate 9
On, for example, the fixed part 41 of reed 4 being designed to into U-shape structure now, the opening of U-shape structure just gets around the first magnet 51 admittedly
The position being scheduled on dividing plate 9, U-shaped bottom radian are connected to shaker arm 42.Or be separately provided fixed seat on dividing plate 9 and avoid
The installation site of the first magnet 51, the fixed part 41 of reed 4 is fixed in fixed seat.
Used as the deformation of electromagnetic assembly, electromagnetic assembly can also be adopted existing in addition to above-mentioned coil 6 and two magnets
Other electromagnetic structures, produce disturbance reed 4 vibration electromagnetic force structure.It is further used as deformation, electromagnetic drive mechanism
Can also be other structures, only need to produce the vibration of drive connection part 3 to drive Liang Tao vibrating diaphragms mechanism 1 to do synchronously in the same direction shaking
It is dynamic, solve the problems, such as distortion.
Used as deformation, two dividing plates 9 can also be separately positioned on the internal face of middle housing 24, or are separately positioned on
On the internal face of housing 23 and lower house 25；Or a dividing plate 9 is arranged in upper shell 23, during another dividing plate 9 is arranged on
In housing 24；Or a dividing plate 9 is arranged in middle housing 24, another dividing plate 9 is arranged in lower house 25, only need to be by two
Dividing plate 9 is set in parallel in shell 2.
Used as further deformation, above-mentioned middle housing 24 is integrally formed with lower house 25；Or middle housing 24 and upper casing
Body 23 is integrally formed, and shell 2 is divided into two modules.Used as deformation, above-mentioned shell 2 can also be formed in one, in shell 2
With inner chamber, on the side wall that two dividing plates 9 be arranged in parallel in the lumen, electromagnetic drive mechanism is fixed in the lumen by dividing plate 9.
Or a dividing plate 9 is only set, electromagnetic drive mechanism is fixed in the lumen, now the intracavity sidewall and bottom of dividing plate 9 and shell 2
Portion forms electromagnetic circuit.
As deformation, can also be without arranging above-mentioned dividing plate 9, Liang Tao vibrating diaphragms mechanism 1 is divided into inner chamber in lumen side
Wall and two side chambers 21 of vibrating diaphragm mechanism 1, and the intermediate cavity 22 between Liang Tao vibrating diaphragms mechanism 1；Electromagnetic drive mechanism is fixed
It is arranged in intermediate cavity 22.Now electromagnetic circuit is formed on the top of inner chamber, side wall and bottom.Now, the second sounding chamber and second
Counter balance pocket is in intermediate cavity 22 this.One sound mouth 26 is opened on the side wall of a side chamber 21, another sound mouth 26
It is opened on the side wall of intermediate cavity 22.
Used as deformation, the above-mentioned receiver with double diaphragm only can also need to include the shell 2 with inner chamber, two sets
Vibrating diaphragm mechanism 1, electromagnetic drive mechanism and connector 3.Wherein, Liang Tao vibrating diaphragms mechanism 1 is co-located in inner chamber, often covers vibrating diaphragm machine
The edge of structure 1 is tightly connected with the side wall of inner chamber；Electromagnetic drive mechanism is fixedly installed in the lumen, for producing vibration force；
The vibration force that electromagnetic drive mechanism is produced is applied on a connector 3, and connector 3 is with Liang Tao vibrating diaphragms mechanism 1 with synchronous in the same direction
The mode of vibration is together fixedly connected；At least one sound mouth 26 is provided with intracavity sidewall, for example, is opened up one and is gone out sound
Mouth 26 or three sound mouths, four sound mouths etc., the sound that Liang Tao vibrating diaphragms mechanism 1 is sent after vibrating is first in shell 2
Mix in chamber, after mixing, Jing sound mouths 26 send again.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And thus it is extended obvious change or
Among changing still in the protection domain of the invention.
Claims (12)
1. a kind of receiver with double diaphragm, including
Shell (2), with inner chamber；
Liang Tao vibrating diaphragms mechanism (1), is co-located in the inner chamber, and the edge for often covering the vibrating diaphragm mechanism (1) is interior with described
The side wall in chamber is tightly connected；
Electromagnetic drive mechanism, is fixedly installed in the inner chamber, for producing vibration force；
Characterized in that,
The vibration force that the electromagnetic drive mechanism is produced is applied on a connector (3), the connector (3) with described in two sets
Vibrating diaphragm mechanism (1) is together fixedly connected in the way of synchronous vibration in the same direction；At least one is provided with the intracavity sidewall and goes out sound
Mouth (26).
2. the receiver with double diaphragm according to claim 1, it is characterised in that：Two sets of vibrating diaphragm mechanisms (1) will
The inner chamber is divided into two side chambers (21) in the intracavity sidewall with the vibrating diaphragm mechanism (1), and in two sets described
Intermediate cavity (22) between vibrating diaphragm mechanism (1)；The electromagnetic drive mechanism is fixedly installed in the intermediate cavity (22)；
The sound mouth (26) is at least two, and sound mouth described at least one (26) is opened in the side of a side chamber (21)
On wall, remaining described sound mouth (26) is opened on the side wall of the intermediate cavity (22).
3. the receiver with double diaphragm according to claim 1 and 2, it is characterised in that：Be provided with the inner chamber with
The dividing plate (9) that the intracavity sidewall is fixedly connected, the electromagnetic drive mechanism are fixed on the inner chamber by the dividing plate (9)
In.
4. the receiver with double diaphragm according to claim 3, it is characterised in that：The dividing plate (9) is to be parallel to each other
Two pieces, and be arranged in the intermediate cavity (22).
5. the receiver with double diaphragm according to claim 4, it is characterised in that：The shell (2) is by upper shell
(23), middle housing (24) and lower house (25) are constituted, the middle housing (24) be fixed on the upper shell (23) with it is described under
Between housing (25)；
It is fixed between the ora terminalis of the direction upper shell (23) and the ora terminalis of the upper shell (23) of the middle housing (24)
One dividing plate (9) of connection, the ora terminalis of the direction lower house (25) of the middle housing (24) and the lower house (25)
Ora terminalis between be fixedly connected another dividing plate (9)；Open up on dividing plate described in two (9) and pass through for the connector (3)
First through hole (91)；
Sound mouth described at least one (26) is opened up on the side wall of the upper shell (23), is opened on the side wall of the lower house (25)
If sound mouth described at least one (26).
6. the receiver with double diaphragm according to any one of claim 1-5, it is characterised in that：The Electromagnetic Drive
Mechanism includes being fixed in the inner chamber is used for the electromagnetic assembly for producing electromagnetic force；And by the reed of the electromagnetism force-disturbance
(4), the reed (4) is with vacantly in the inner chamber and being connected to the shaker arm (42) of the connector (3).
7. the receiver with double diaphragm according to claim 6, it is characterised in that：The electromagnetic assembly includes polarity phase
It is anti-and just to the first magnet (5) for arranging and the second magnet (52), and the line being set on the shaker arm (42) of the reed (4)
Circle (6)；First magnet (51) and the second magnet (52) near the coil (6) end face with the coil (6)
The end contact；
The shaker arm (42) stretch out from the coil (6) and through first magnet (5) and second magnet (52) it
Between gap be connected to the connector (3).
8. the receiver with double diaphragm according to claim 6 or 7, it is characterised in that：One of described dividing plate (9) opens up
Second through hole (92)；The fixed part (41) being fixedly connected with the shaker arm (42) of the reed (4) is logical through described second
Hole (92) is fixed on dividing plate (9) surface.
9. the receiver with double diaphragm according to claim 8, it is characterised in that：It is relative on another dividing plate (9)
Third through-hole (93) is opened up at the position of second through hole (92)；The top and bottom of the coil (6) is respectively embedded into institute
State in the second through hole (92) and the third through-hole (93), and the fixed part (41) is crossed the top of the coil (6) and fixed
On the dividing plate (3).
10. the receiver with double diaphragm according to any one of claim 1-9, it is characterised in that：The vibrating diaphragm machine
Structure (1) includes
Fixed frame (11), with hollow space, is fixed on the shell (2) internal face；
Vibrating reed (12), one end are fixed on the surface of the fixed frame (11), and the other end is vacantly on the fixed frame (11)
Side, and its length is less than the length of the hollow space；
Vibrating diaphragm, is fixed in the hollow space and fills the full hollow space, positioned at the lower section of the vibrating reed (12).
11. receivers with double diaphragm according to any one of claim 1-10, it is characterised in that：The middle housing
(24) tubular in rectangular section；And/or
The reed (4) is U-shaped or E types；The two-arm of the U-shaped reed (4) is respectively the shaker arm (42) and fixed part
(41)；, used as the fixed part (41), intermediate arm shakes as described for the vertical portion of E types reed (4) and the horizontal arm at top
Swing arm (42)；And/or
Sound tube (7) is set in the outside wall surface of the shell (2), and all sound mouths (26) are surrounded by the sound tube (7)
In which；And/or
The connector (3) is conductive bar；And/or
Pad (8) is provided with the outside wall surface of the shell (2)；Coil (6) the two bottom sides wall is respectively provided with positive wire
(61) and negative wire (62), the positive wire (61) and the negative wire (62) are towards back to second magnet (52)
Direction horizontally outward extends and is connected on the pad (8).
12. receivers with double diaphragm according to any one of claim 1-11, it is characterised in that：Dividing plate described in two
(9) the side wall of the intermediate cavity (22), and between two dividing plates (9) is made using soft magnetic material, with
Form the electromagnetic circuit of closure；
The thickness of the side wall of the thickness of the dividing plate (9) and/or the intermediate cavity (22) being located at described in two between dividing plate (9) is big
Sidewall thickness at the other positions of the inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010670.5A CN106604187A (en) | 2017-01-06 | 2017-01-06 | Receiver having dual vibration membranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010670.5A CN106604187A (en) | 2017-01-06 | 2017-01-06 | Receiver having dual vibration membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106604187A true CN106604187A (en) | 2017-04-26 |
Family
ID=58582930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710010670.5A Pending CN106604187A (en) | 2017-01-06 | 2017-01-06 | Receiver having dual vibration membranes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106604187A (en) |
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| CN108282728A (en) * | 2018-03-30 | 2018-07-13 | 苏州倍声声学技术有限公司 | Receiver and electronic equipment |
| CN108574920A (en) * | 2018-06-26 | 2018-09-25 | 常州阿木奇声学科技有限公司 | A kind of dynamic iron unit |
| CN108696806A (en) * | 2018-06-25 | 2018-10-23 | 歌尔股份有限公司 | Loud speaker and portable terminal |
| CN108882123A (en) * | 2018-06-25 | 2018-11-23 | 歌尔股份有限公司 | Microphone device and portable terminal |
| WO2019101161A1 (en) * | 2017-11-24 | 2019-05-31 | 苏州逸巛声学科技有限公司 | Sound producing device |
| CN110392330A (en) * | 2019-07-31 | 2019-10-29 | 苏州逸巛声学科技有限公司 | A kind of multitone chamber receiver |
| CN113132866A (en) * | 2019-12-30 | 2021-07-16 | 美商楼氏电子有限公司 | Balanced armature receiver |
| CN113645554A (en) * | 2021-07-28 | 2021-11-12 | 深圳市长盈精密技术股份有限公司 | Assembling method of moving iron unit |
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| CN113645554A (en) * | 2021-07-28 | 2021-11-12 | 深圳市长盈精密技术股份有限公司 | Assembling method of moving iron unit |
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Address after: 368 Youyi Road, Babai friendship Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Applicant after: Suzhou Yiyi Electronic Technology Co., Ltd Address before: Friendship Road split eight Songling town of Wujiang District of Suzhou City, Jiangsu province 215222 friendship Industrial Zone No. 368 Applicant before: Suzhou Yilan Acoustic Technology Co.,Ltd. |
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Address after: 215299 No. 168, Ludang Road, Jiangling street, Wujiang District, Suzhou City, Jiangsu Province (north of the original Lingyi Road) Applicant after: Suzhou Yiyi Technology Co., Ltd Address before: 215299 No. 368, Youyi Road, baghe Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Applicant before: Suzhou Yiyi Electronic Technology Co., Ltd |
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