CN110392330A - A kind of multitone chamber receiver - Google Patents
A kind of multitone chamber receiver Download PDFInfo
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- CN110392330A CN110392330A CN201910703735.3A CN201910703735A CN110392330A CN 110392330 A CN110392330 A CN 110392330A CN 201910703735 A CN201910703735 A CN 201910703735A CN 110392330 A CN110392330 A CN 110392330A
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- vibration section
- tibial membrane
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- 239000012528 membrane Substances 0.000 claims abstract description 89
- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000005389 magnetism Effects 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 241001413866 Diaphone Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
-
- 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
- H04R2410/00—Microphones
Abstract
The present invention provides a kind of multitone chamber receiver, including shell, tibial membrane mechanism and at least one driving mechanism.Wherein, at least two tibial membranes, hollow cavity is successively divided at least one mutual disconnected keynote chamber, installation cavity and at least one secondary noise chamber, vibration section and tibial membrane correspond, driving mechanism is by driving all vibration section synchronous reciprocating vibrations, to drive tibial membrane synchronous compression corresponding with vibration section or the corresponding sound chamber of expansion.Magnetism isolating spacer is set between fixed section and shell, can effectively ensure that magnetic flux on any vibration section, reduces the waste of leakage field and magnetic flux.When at least three tibial membranes is arranged, it is arranged in correspondence at least three vibration sections, vibration section is linked together by fixed section, coil is arranged on the vibration section of any sound chamber to drive all vibration section synchronous vibrations, the corresponding sound chamber of any tibial membrane generates more polynary sounding effect by the synchronous vibration sounding of the first sound chamber, the second sound chamber and third sound chamber.
Description
Technical field
The invention belongs to electroacoustic switch technology fields, and in particular to a kind of multitone chamber receiver.
Background technique
Receiver is the electro-acoustic element that audio electrical signal is converted into voice signal, is widely used in mobile phone, fixed electricity
In the communication terminal devices such as words and hearing aid, realize that audio (voice, music) is reset.The cardinal principle of receiver is to utilize electromagnetism
Induction and piezoelectric effect, the also capacitor earphone of advantageous electricity container principle, and utilize the receiver of electromagnetic induction principle main
There are moving-iron type receiver and moving coil receiver.
A kind of receiver with improvement sandwich type element as disclosed in Chinese patent literature CN103747374A comprising shell
Body, vibrating diaphragm and electromagnetic drive mechanism, vibrating diaphragm are arranged in shell and the inner cavity of shell are divided into ante-chamber and back cavity, and electromagnetism drives
Motivation structure is fixed in back cavity.
Electromagnetic drive mechanism includes drive rod, armature, two pieces of permanent magnets and coil；Wherein, one end of armature is fixed on
On the side wall inner wall of shell, the other end is connect by drive rod with vibrating diaphragm；Coil is set on armature and close to armature and shell
The junction of body, two pieces of permanent magnets are located at armature close to the two sides up and down of that one end of drive rod and are immobilized in the shell wall surface
On.The receiver of this structure, when giving coil indirect current, coil generates alternating magnetic field, while armature is magnetized by alternating magnetic field
And the magnetic pole that size and Orientation all alternately changes is generated, under the action of permanent magnet fixed magnetic field, so that armature generates different frequencies
The vibration of rate and amplitude drives vibrating diaphragm sounding.
But the receiver of above structure only one sound chamber, the sound wave generated are mainly the sound wave of medium-high frequency section, are produced
The ability of raw low-frequency sound wave is poor, and the low frequency characteristic for eventually leading to the receiver of the structure is poor.
Summary of the invention
Therefore, technical problem to be solved by the present invention lies in only one sound chambers of existing receiver, handle all-bottom sound
The characteristic of wave is poor.
For this purpose, the present invention provides a kind of multitone chamber receiver, including
Shell has hollow cavity；
Tibial membrane mechanism, including installing at least two tibial membranes on the housing, all tibial membranes will be described
Hollow cavity is successively divided at least one mutual disconnected keynote chamber, installation cavity and at least one secondary noise chamber；Be mounted on
Vibration component in the installation cavity, the vibration component have installation on the housing and it is a pair of with the tibial membrane one
The vibration section that should be connected；
The volume of the keynote chamber and the secondary noise chamber differs；
At least one driving mechanism is arranged in the hollow cavity, synchronous for driving all vibration sections to do
It is of reciprocating vibration, to drive all tibial membrane synchronous compressions or the corresponding sound chamber of expansion.
Preferably, above-mentioned multitone chamber receiver, all tibial membranes are in side by side and arranged for interval；The keynote chamber, peace
It behave affectedly and is successively arranged side by side with secondary noise chamber；
Preferably, above-mentioned multitone chamber receiver, all vibration sections are in being arranged side by side, any vibration section and respectively
The corresponding tibial membrane connects, and the other end opposite with the tibial membrane is as fixed part on the vibration section；It is all described
Fixed part by fixed section connect, and with the cage connection.
Preferably, above-mentioned multitone chamber receiver, is arranged magnetism isolating spacer between the fixed section and the shell.
Preferably, above-mentioned multitone chamber receiver, any vibration section are made of soft magnet material.
Preferably, above-mentioned multitone chamber receiver, the driving mechanism are electromagnetic drive mechanism；Any electromagnetic drive machine
Structure includes
At least one permanent magnet of the either side of any vibration section is set；And it is set on any vibration section
And the coil at fixed part；Any permanent magnet is oppositely arranged with the vibration section；
It is reserved between any permanent magnet vibration section adjacent thereto, between the coil and the vibration section
Vibrate gap；The coil is arranged in the installation cavity.
Preferably, above-mentioned multitone chamber receiver,
A permanent magnet is respectively set in any vibration section two sides；The adjacent permanent magnet is oppositely arranged and opposite
Polarity is opposite on one side.
Preferably, above-mentioned multitone chamber receiver, the tibial membrane are at least three, and accordingly the vibration section is at least three
It is a；
At least one partition being arranged side by side with the tibial membrane is additionally provided in the shell, wherein three tibial membranes
It is followed successively by the first tibial membrane, the second tibial membrane and third tibial membrane；First tibial membrane and second tibial membrane are located at institute
The same side of partition is stated, the third tibial membrane is located at the other side of the partition；
Surround the first sound chamber between first tibial membrane and the outer casing inner wall face, second tibial membrane and it is described every
The second sound chamber is surrounded between plate and the outer casing inner wall face, is surrounded between first tibial membrane and second tibial membrane described
Installation cavity；Separate cavities or the installation cavity, the other side and institute are surrounded between the side and partition and shell of the third tibial membrane
It states and surrounds third sound chamber between outer casing inner wall face.
Preferably, the volume of above-mentioned multitone chamber receiver, the first sound chamber, the second sound chamber and third sound chamber differs.
Preferably, above-mentioned multitone chamber receiver, when a coil is only arranged, which is suitable for being set in any
On the vibration section.
Technical solution of the present invention has the advantages that
1. a kind of multitone chamber receiver provided by the invention is arranged at least two tibial membranes, hollow cavity is successively divided
For at least one mutual disconnected keynote chamber, installation cavity and at least one secondary noise chamber, vibration section and tibial membrane are corresponded, driving
Mechanism is by driving all vibration section synchronous reciprocating vibrations, to drive tibial membrane synchronous compression corresponding with vibration section or expansion
Corresponding sound chamber is with sounding.The sound of keynote chamber sending synchronous with secondary noise chamber is converged and is passed after corresponding sound hole
It is delivered to the external world.
2. a kind of multitone chamber receiver provided by the invention, is arranged magnetism isolating spacer, can effectively protect between fixed section and shell
Magnetic flux on any vibration section is demonstrate,proved, the waste of leakage field and magnetic flux is reduced.
3. a kind of multitone chamber receiver provided by the invention is arranged at least three tibial membranes, is arranged in correspondence at least three
Vibration section, vibration section are linked together by fixed section, are arranged coil on the vibration section of any sound chamber to drive all vibrations
Portion's synchronous vibration, the corresponding sound chamber of any tibial membrane, is sent out by the synchronous vibration of the first sound chamber, the second sound chamber and third sound chamber
Sound generates more polynary sounding effect.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram one of multitone chamber receiver of the present invention；
Fig. 2 is the structural schematic diagram two of multitone chamber receiver of the present invention；
Fig. 3 is the structural schematic diagram three of multitone chamber receiver of the present invention；
Fig. 4 is the partial structural diagram of multitone chamber receiver of the present invention；
Fig. 5 is the support frame structure diagram in multitone chamber receiver of the present invention.
Description of symbols:
1- shell；10- magnetism isolating spacer；11- keynote hole；The first sound hole of 11a-；12- sound hole；The second sound hole of 12a-；12b-
Three sound holes；
2- tibial membrane；20- diaphragm；The first tibial membrane of 2a-；The second tibial membrane of 2b-；2c- third tibial membrane；
3- keynote chamber；3a- the first sound chamber；4- installation cavity；
5- secondary noise chamber；5a- the second sound chamber；5b- third sound chamber；
The vibration section 6-；60- fixed section；
7- electromagnetic drive mechanism；71- permanent magnet；72- coil；
8- partition；81- separate cavities；9- support frame.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
The present embodiment provides a kind of multitone chamber receivers, including shell 1, tibial membrane mechanism and at least one driving mechanism.
Wherein, tibial membrane mechanism includes at least two tibial membranes 2, is mounted on shell 1, as shown in Figure 1, two tibial membranes 2 of setting, two
Hollow cavity is divided into mutual disconnected keynote chamber 3, installation cavity 4 and secondary noise chamber 5, keynote chamber 3,4 and of installation cavity by a tibial membrane 2
Secondary noise chamber 5 is arranged side by side, and the volume of keynote chamber 3 and secondary noise chamber 5 differs, the L-shaped setting of tibial membrane 2 of keynote chamber 3, hollow cavity
Support frame 9 is inside also set up, as shown in figure 5, support frame 9 is whole L-shaped, the tibial membrane 2 of keynote chamber 3 is adhesively fixed on support frame 9
On the wall surface of installation cavity 4 and the inner cavity for covering support frame 9 is sealed, the tibial membrane 2 of secondary noise chamber 5 is horizontally disposed, and is bonded solid
It is scheduled on horizontal support frame on the wall surface of installation cavity 4, the support frame of secondary noise chamber 5 can also be using the support of L-type shown in Fig. 5
Frame 9 guarantees that keynote chamber 3 is different from the volume of secondary noise chamber 5.Any sealing of support frame 9 is fixedly mounted in inner walls face,
Keynote hole 11 is opened up on the shell 1 of keynote chamber 3, time sound hole 12 is opened up on the shell 1 of secondary noise chamber 5.
Tibial membrane mechanism further includes vibration component, and vibration component is mounted in installation cavity 4, and vibration component has and tibial membrane
2 vibration sections 6 to connect one to one, as shown in Figure 1, vibration section 6 is arranged two, as shown in figure 4, vacantly setting exists for vibration section 6
In the hollow cavity and inner cavity of face support frame 9 is located at 9 inner cavity of support frame on vibration section 6 and diaphragm 20 is arranged, is located at support frame
Tibial membrane 2 in 9 inner cavities is adhesively fixed on vibration section 6 by diaphragm 20 up and down reciprocatingly to be vibrated with vibration section 6, the present embodiment
In, diaphragm 20 and vibration section 6 are integrally formed, and further, lightening hole can also be opened up on diaphragm 20.
One end opposite with tibial membrane 2 is connected as fixed part, all fixed parts by fixed section 60 on each vibration section 6
Together, vibration section 6 and fixed section 60 are whole in Contraband type.
As shown in Figure 1, driving mechanism uses electromagnetic drive mechanism 7, including coil 72 and at least one permanent magnet 71, this reality
It applies in example, a permanent magnet 71 is respectively set in any 6 two sides of vibration section, that is, is located at keynote chamber 3, installation cavity 4 and secondary noise
Three permanent magnets 71 of chamber 5, permanent magnet 71 are oppositely arranged with vibration section 6, and the one side polarity phase of opposite 71 face of permanent magnet
Instead, for example, it is the pole N that the polarity of all permanent magnets 71, which is upper surface, in Fig. 1, lower end surface is the pole S.Vibration section 6 and fixed section 60
It is all made of soft magnetic materials to be made, coil 72 is located in installation cavity 4 and is set on the vibration section of keynote chamber 36, when coil 72
After being passed through alternating current, alternating magnetic field is generated, vibration section 6 is magnetized, so that being located at the vibration section 6 of keynote chamber 3 and being located at secondary noise chamber 5
Vibration section 6 with opposite polarity and alternately change, for example, when the polarity for being located at the vibration section 6 of keynote chamber 3 is the pole N, secondary noise
The polarity of the vibration section 6 of chamber 5 is the pole S, and by the polar effect of permanent magnet 71, the vibration section 6 of keynote chamber 3 moves upwards compression keynote
Air in chamber 3, the vibration section 6 of secondary noise chamber 5 move downward the air in synchronous compression secondary noise chamber 5.The vibration section 6 of keynote chamber 3
When with the vibration section 6 of secondary noise chamber 5 by alternating magnetic field dipole inversion, the vibration section 6 of keynote chamber 3 is moved downward in expansion keynote chamber 3
Air, the vibration section 6 of secondary noise chamber 5 moves upwards the air in synchronous expansion secondary noise chamber 5.
As shown in Figure 1, the riveting of fixed section 60 of vibration component is fixed on the inner wall of shell 1, fixed section 60 and shell
Magnetism isolating spacer 10 is set between wall surface, magnetic flux on any vibration section 6 is effectively ensured, reduces the waste of leakage field and magnetic flux.Certainly,
Other connection types can also be used between fixed section 60 and shell 1, for example, as shown in figure 3, fixed section 60 and magnetism isolating spacer 10 are same
When be welded and fixed on shell, depending on depending on actual need.
Between any permanent magnet 71 vibration section 6 adjacent thereto, between coil 72 and vibration section 6 reserved vibration gap.
As first interchangeable embodiment of embodiment 1, it can be not provided with support frame 9, tibial membrane 2 is directly fixed
It is adhesively fixed on the inner wall of shell.
As second interchangeable embodiment of embodiment 1, driving mechanism can use piezoelectric vibrator, piezoelectric vibrator
It is arranged in a one-to-one correspondence on vibration section 6 with vibration section 6, when giving piezoelectric vibrator indirect current, piezoelectric vibrator itself can do reciprocal vibration
It is dynamic, and then drive vibration section 6 of reciprocating vibration.
Embodiment 2
The present embodiment provides a kind of multitone chamber receivers, and compared with the structure of the receiver provided in embodiment 1, difference exists
In, the setting of tibial membrane 2 at least three, the corresponding setting of vibration section 6 at least three, as shown in Fig. 2, in the present embodiment, tibial membrane 2
Setting three, hollow cavity is successively divided into arranged side by side by the first tibial membrane 2a, the second tibial membrane 2b and third tibial membrane 2c
The first sound chamber 3a, installation cavity 4, the second sound chamber 5a, separate cavities 81 and third sound chamber 5b, the first tibial membrane 2a, the second tibial membrane
2b and third tibial membrane 2c is separately fixed at support frame 9 and is located on the wall surface of installation cavity 4 or separate cavities 81 and covers support frame 9
Inner cavity is of an L-shaped structure, due to the body of the first sound chamber 3a, the second sound chamber 5a and third sound chamber 5b as shown in figure 5, support frame 9 is whole
Product is of different sizes, therefore the size of corresponding support frame 9 is not also identical, and any support frame 9 seals the inner wall for being fixed on shell
On.
The partition 8 that setting is arranged side by side with sound chamber in shell 1, the first tibial membrane 2a and the second tibial membrane 2b are located at partition 8
The same side, third tibial membrane 2c is located at the other side of partition 8.Separate cavities 81 are formed between partition 8 and third tibial membrane 2c.
Vibration section 6 be arranged three, respectively be located at 9 inner cavity of support frame in the first tibial membrane 2a, the second tibial membrane 2b and
Third tibial membrane 2c is adhesively fixed together, and vibration section 6 one end opposite with sound chamber passes through solid as fixed part, all fixed parts
Determine section 60 to link together, vibration section 6 and fixed section 60 it is whole be in E type, the setting of vibration section 6 of connection third tibial membrane 2c every
From in chamber 81, and the fixed section 60 for connecting this section of vibration section 6 passes through partition 8 and protrudes into separate cavities 81.
The first sound hole is opened up respectively on first sound chamber 3a, the second sound chamber 5a and corresponding 1 wall surface of shell of third sound chamber 5b
11a, the second sound hole 12a and third sound hole 12b.
The two sides of any vibration section 6, i.e. the first sound chamber 3a, installation cavity 4, is arranged in the permanent magnet 71 of electromagnetic drive mechanism
One, and the one side polarity of 71 face of all adjacent permanent magnets is respectively set in two sound chamber 5a, separate cavities 81 and third sound chamber 5b
On the contrary.
As shown in Fig. 2, the vibration section 6 of the first sound chamber 3a is located at the lower section of the first sound chamber 3a, the second sound chamber 5a and third sound
The vibration section 6 of chamber 5b is respectively positioned on the top of corresponding sound chamber, and when coil 72 is arranged one, in this structure, coil 72 only can
It is arranged in installation cavity 4 and is set on the vibration section 6 being connect with the first tibial membrane 2a, when coil 72 is passed through alternating current, produces
Raw alternating magnetic field, all vibration sections 6 are magnetized, so that compression or expansion that all sound chambers are synchronous.
Certainly, when coil 72 is arranged one, coil 72 can also be set on any vibration section 6, meet following condition i.e.
Can: by taking all sound chambers are alternatively arranged arrangement from top to bottom as an example, the vibration section 6 with identical polar is located at the position of diaphone chamber
Unanimously, i.e. vibration section 6 is located at the either above or below of diaphone chamber simultaneously, and is located at diaphone with opposite polarity vibration section 6
On the contrary, i.e. when the pole N vibration section 6 is located at the lower section of diaphone chamber, the pole S vibration section 6 is located at the top of diaphone chamber for the position of chamber.
Between fixed section 60 and shell be arranged multistage magnetism isolating spacer 10, as shown in Fig. 2, be located at installation cavity 4 at and separate cavities 81
A magnetism isolating spacer 10 is respectively set between the fixed section 60 and shell at place.
Vibration processes in multitone chamber receiver in the present embodiment are as follows:
For the structure shown in Fig. 2, all 71 upper surfaces of permanent magnet are the pole N, and lower end surface is the pole S, when coil 72 is passed through friendship
When galvanic electricity, alternating magnetic field is generated, all vibration sections 6 are magnetized thus with polarized, for example, being located at first where coil 72
6 polarity of vibration section of sound chamber 3a is the pole N, then is the pole S positioned at 6 polarity of vibration section of the second sound chamber 5a and third sound chamber 5b, by
The polarity of permanent magnet 71 acts on, and moves upwards the first sound chamber 3a of compression positioned at the vibration section 6 of the first sound chamber 3a, is located at the second sound chamber
5a and the vibration section 6 of third sound chamber 5b synchronize move downward and compress the second sound chamber 5a and third sound chamber 5b respectively.
On the contrary, when 6 reversal of vibration section for the first sound chamber 3a being located at where coil 72 is the pole S, then it is located at the
6 polarity of vibration section of two sound chamber 5a and third sound chamber 5b are transformed to the pole N, are acted on by the polarity of permanent magnet 71, are located at the first sound
The vibration section 6 of chamber 3a move downward expansion the first sound chamber 3a, positioned at the second sound chamber 5a it is synchronous with the vibration section 6 of third sound chamber 5b to
The second sound chamber 5a and third sound chamber 5b are expanded in upper movement respectively.
Above-mentioned movement is repeated, according to the polar transformation in vibration section 6, synchronous compression or the corresponding sound chamber of expansion.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of multitone chamber receiver characterized by comprising
Shell (1) has hollow cavity；
Tibial membrane mechanism, including at least two tibial membranes (2) being mounted on the shell (1), all tibial membranes (2) will
The hollow cavity is successively divided at least one mutual disconnected keynote chamber (3), installation cavity (4) and at least one secondary noise chamber
(5)；With the vibration component being mounted in the installation cavity (4), the vibration component have be mounted on it is on the shell (1) and
The vibration section (6) to connect one to one with the tibial membrane (2)；
The volume of the keynote chamber (3) and the secondary noise chamber (5) differs；
At least one driving mechanism is arranged in the hollow cavity, synchronous past for driving all vibration sections (6) to do
Multiplex vibration, to drive all tibial membrane (2) synchronous compressions or the corresponding sound chamber of expansion.
2. multitone chamber receiver according to claim 1, which is characterized in that all tibial membranes (2) in side by side and
Every arrangement；The keynote chamber (3), installation cavity (4) and secondary noise chamber (5) are successively arranged side by side.
3. multitone chamber receiver according to claim 2, which is characterized in that all vibration sections (6) are in be arranged side by side,
Any vibration section (6) connect with corresponding tibial membrane (2), on the vibration section (6) with the tibial membrane (2)
The opposite other end is as fixed part；All fixed parts are connected by fixed section (60), and are connect with the shell (1).
4. multitone chamber receiver according to claim 3, which is characterized in that the fixed section (60) and the shell (1)
Between be arranged magnetism isolating spacer (10).
5. multitone chamber receiver described in any one of -4 according to claim 1, which is characterized in that any vibration section (6)
It is made of soft magnet material.
6. multitone chamber receiver according to claim 5, which is characterized in that the driving mechanism is electromagnetic drive mechanism；
Any electromagnetic drive mechanism includes
At least one permanent magnet (71) in the either side of any vibration section (6) is set；And it is set in any vibration
Coil (72) in portion (6) and at fixed part；Any permanent magnet (71) is oppositely arranged with the vibration section (6)；
Between any permanent magnet (71) vibration section (6) adjacent thereto, the coil (72) and the vibration section (6)
Between reserved vibration gap；Coil (72) setting is in the installation cavity (4).
7. multitone chamber receiver according to claim 6, which is characterized in that
A permanent magnet (71) is respectively set in any vibration section (6) two sides；The adjacent permanent magnet (71) is oppositely arranged
And opposite one side polarity is opposite.
8. multitone chamber receiver according to claim 7, which is characterized in that the tibial membrane (2) is at least three, corresponding
The ground vibration section (6) is at least three；
It is additionally provided at least one partition (8) being arranged side by side with the tibial membrane (2) in the shell (1), wherein described in three
Tibial membrane (2) is followed successively by the first tibial membrane (2a), the second tibial membrane (2b) and third tibial membrane (2c)；First tibial membrane
(2a) and second tibial membrane (2b) are located at the same side of the partition (8), the third tibial membrane (2c) be located at it is described every
The other side of plate (8)；
The first sound chamber (3a), second tibial membrane are surrounded between first tibial membrane (2a) and the shell (1) inner wall
Surround the second sound chamber (5a) between (2b) and the partition (8) and the shell (1) inner wall, first tibial membrane (2a) with
The installation cavity (4) are surrounded between second tibial membrane (2b)；The side of the third tibial membrane (2c) is with partition (8) and outside
Separate cavities (81) or the installation cavity (4) are surrounded between shell (1), surround third between the other side and the shell (1) inner wall
Sound chamber (5b).
9. multitone chamber receiver according to claim 8, which is characterized in that the first sound chamber (3a), the second sound chamber
The volume of (5a) and third sound chamber (5b) differs.
10. multitone chamber receiver according to claim 8, which is characterized in that, should when coil (72) are only arranged
The coil (72) is suitable for being set on any vibration section (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703735.3A CN110392330A (en) | 2019-07-31 | 2019-07-31 | A kind of multitone chamber receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703735.3A CN110392330A (en) | 2019-07-31 | 2019-07-31 | A kind of multitone chamber receiver |
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| Publication Number | Publication Date |
|---|---|
| CN110392330A true CN110392330A (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910703735.3A Pending CN110392330A (en) | 2019-07-31 | 2019-07-31 | A kind of multitone chamber receiver |
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| CN103227974A (en) * | 2013-04-09 | 2013-07-31 | 苏州恒听电子有限公司 | Telephone receiver with improved transmission mechanism |
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