CN207505141U - A kind of receiver - Google Patents
A kind of receiver Download PDFInfo
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- CN207505141U CN207505141U CN201721581873.1U CN201721581873U CN207505141U CN 207505141 U CN207505141 U CN 207505141U CN 201721581873 U CN201721581873 U CN 201721581873U CN 207505141 U CN207505141 U CN 207505141U
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Abstract
The utility model discloses a kind of receiver, and receiver includes shell, vibrating diaphragm mechanism, driving structure and ultrasonic transformer, and ultrasonic transformer is in solid flaring structure, and flared end is mounted in driving structure, and necking end is mounted on the oscillating plate of vibrating diaphragm mechanism.During driving structure driving ultrasonic transformer vibration, when the vibration of the flared end of ultrasonic transformer is transferred at its necking end, relative to the Oscillation Amplitude of flared end, the Oscillation Amplitude of necking end can be amplified, so that the Oscillation Amplitude of oscillating plate is more than the amplitude of driving structure vibration, under identical driving effect, the sound of receiver can be increased.
Description
Technical field
The utility model is related to the technical fields of receiver, and in particular to a kind of receiver.
Background technology
Receiver is a kind of electro-acoustic element that audio electrical signal is converted into voice signal under the conditions of voiceless sound leakage, extensively
It is general to be applied in the communication terminal devices such as mobile phone, fixed-line telephone, earphone, realize the output of audio.
With the continuous development of mobile equipment, the structure of receiver is continuously updated, such as Chinese patent
CN203563195U discloses a kind of piezoelectric type receiver, and including enclosed housing and be set on housing several send sound
Hole is provided with vibrating membrane and the oscillating plate being attached in vibrating membrane bottom surface in housing and is attached to oscillating plate bottom surface
On piezoelectric vibrator, by giving piezoelectric vibrator indirect current pressure, piezoelectric vibrator vibration is to drive oscillating plate to do in the vertical direction
It moves back and forth.
The receiver of this structure, the Oscillation Amplitude of piezoelectric vibrator is consistent with the Oscillation Amplitude of oscillating plate, the vibration of oscillating plate
Amplitude only relies on the Oscillation Amplitude of piezoelectric vibrator to increase or reduce；But the Oscillation Amplitude of piezoelectric vibrator of the prior art has
Limit, it is difficult to the amplitude amplitude of oscillating plate in further increase receiver so that the sound of receiver is inadequate.
Utility model content
Therefore, it is driven the technical problem to be solved by the utility model is to receiver in the prior art using piezoelectric vibrator
When, the defects of sound of receiver is low.
For this purpose, the utility model provides a kind of receiver, including
Shell has hollow lumen；
Vibrating diaphragm mechanism is arranged in the hollow lumen, by the hollow lumen be divided into the first cavity for separating of sealing and
Second cavity；It has the oscillating plate of installation on the housing；
Driving structure is arranged in second cavity；
Ultrasonic transformer, in solid flaring structure；Its flared end is fixed in the driving structure, and necking end is fixed on described
On oscillating plate；
After being powered to driving structure, the driving mechanism is used to drive the ultrasonic transformer that the oscillating plate is driven to do vertically
In the of reciprocating vibration of vibrating diaphragm mechanism setting direction.
Preferably, at least one connecting rod is further included, one end of the connecting rod is fixed on the housing, and the other end is solid
It is scheduled on the oscillating plate；
The necking end is fixed on the oscillating plate by being fixed in the connecting rod；The necking end is described
Installation point in connecting rod is located between two ends of the connecting rod.
Preferably, the connecting rod, which has, is parallel to the first part of vibrating diaphragm mechanism setting direction, described first
Point one end fix on the housing, the other end is as free end vacantly in second cavity；Be fixed on described
On the free end of a part, and the second part being connect with the oscillating plate.
Preferably, the first part is vertically arranged with the second part.
Preferably, the driving structure is piezoelectric vibrator.
Preferably, the piezoelectric vibrator is rounded, and the circumferential edge of the piezoelectric vibrator is fixed on the housing, described
The flared end of ultrasonic transformer is fixed on the middle part of the piezoelectric vibrator；Or
The piezoelectric vibrator is elongated, and one end of the piezoelectric vibrator is fixed on the housing, and the other end vacantly exists
In the second inner chamber, the flared end of the ultrasonic transformer is fixed on the free end of the piezoelectric vibrator.
Preferably, the vibrating diaphragm mechanism also has the fixed frame of installation on the housing；
One end of the oscillating plate is fixed in the fixed frame, and the other end is vacantly in the inner cavity of the fixed frame；With
And determine on frame and at least to cover the tibial membrane in gap between the fixed frame and the oscillating plate mounted on the fixation.
Preferably, the shell includes the first shell surrounded by the first bottom surface and side wall and by the second bottom surface and side wall
The second shell surrounded, the opening of the first shell be located in the opening of the second shell, to surround the closed chamber
Body.
Technical solutions of the utility model have the following advantages that：
1. receiver provided by the utility model, including shell, vibrating diaphragm mechanism, driving structure and ultrasonic transformer, ultrasonic transformer
In solid flaring structure, flared end is mounted in driving structure, and necking end is mounted on the oscillating plate of vibrating diaphragm mechanism.When to
After driving structure is powered, driving structure will drive ultrasonic transformer that oscillating plate is driven to do back and forth shaking perpendicular to vibrating diaphragm mechanism setting direction
It is dynamic.The receiver of this structure, due to being provided with ultrasonic transformer between driving structure and oscillating plate, driving structure driving ultrasonic transformer shakes
When dynamic, when the vibration of the flared end of ultrasonic transformer is transferred at its necking end, relative to the Oscillation Amplitude of flared end, contracting can be amplified
The Oscillation Amplitude at mouth end, so that the Oscillation Amplitude of oscillating plate is more than the amplitude of driving structure vibration, in identical driving effect
Under, the sound of receiver can be increased.
2. receiver provided by the utility model, further includes at least one connecting rod, one end of connecting rod is fixed on shell
On, the other end is fixed on oscillating plate；The necking end of ultrasonic transformer is fixed in connecting rod, and necking end consolidating in connecting rod
Positioning is setting between two ends of the connecting rod so that connecting rod is formed using its one end of fixation on the shell as fulcrum
Lever, the first arm of force L1 of the fixed position of ultrasonic transformer to fulcrum is less than oscillating plate and connecting rod free end junction to fulcrum
The second arm of force L2 length, the resistance suffered by resistance and connecting rod free end suffered by ultrasonic transformer is respectively F1 and F2,
By lever principle it is found that F1*L1=F2*L2, due to L2 ＞ L1, then F2 ＜ F1 so that the resistance suffered by the free end of connecting rod
Power smaller, connecting rod free end are easier to vibrate, and vibration is driven so as under identical driving force, increase the free end of connecting rod
The amplitude of panel vibration, so as to improve the sound of receiver.
3. receiver provided by the utility model, driving structure is piezoelectric vibrator so that is pacified in the second cavity of receiver
The component of dress is few, and structure is simpler.
4. receiver provided by the utility model, vibrating diaphragm mechanism further includes fixed frame and tibial membrane, by one end of oscillating plate
On fixed frame, the other end is vacantly in fixed frame, and tibial membrane is set to cause tibial membrane is covered in shake on fixed frame
On gap between movable plate and fixed frame；It is mounted between fixed frame and oscillating plate different from tibial membrane in the prior art, vibration
Plate is fixed on tibial membrane on fixed frame by glue sticking；But oscillating plate is arranged in fixed frame, it shakes in preparation
During film mechanism, oscillating plate is integrally formed with fixed frame, need to be only directly installed on tibial membrane on fixed frame and by fixed frame with shaking
Clearance seal between movable plate, so as to simplify the processing and manufacturing of vibrating diaphragm mechanism.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the longitudinal profile structure schematic of the receiver provided in the utility model embodiment 1；
Fig. 2 is the structure diagram of the piezoelectric vibrator provided in the utility model embodiment 1
Fig. 3 is the vertical view of the oscillating plate provided in the utility model embodiment 1；
Fig. 4 is the cross-sectional view of the receiver provided in the utility model embodiment 5；
Fig. 5 is the cross-sectional view of the receiver provided in the utility model embodiment 7；
Fig. 6 is the cross-sectional view of the receiver provided in the utility model embodiment 8；
Fig. 7 is the longitudinal profile structure schematic of the receiver provided in the utility model embodiment 2；
Fig. 8 is the structure diagram of fixed frame and oscillating plate in vibrating diaphragm mechanism in the utility model embodiment 1；
Reference sign：
1- shells；11- first shells；12- second shells；The first cavitys of 3-；The second cavitys of 14-；5- sound outlet holes；
21- fixed frames；22- oscillating plates；23- tibial membranes；
3- ultrasonic transformers；4- piezoelectric vibrators；The first piezoelectric ceramics of 41-；42- separation layers；The second piezoelectric ceramics of 43-；
5- connecting rods；
6- sound guide tubes；
First arm of forces of L1-；Second arm of forces of L2-；The L3- third arm of forces；The 4th arm of forces of L4-；The first fulcrums of Z1-；Z2- second
Point.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " third " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not forming conflict can be combined with each other.
Embodiment 1
The present embodiment provides a kind of receiver, as shown in Figure 1, including shell 1, vibrating diaphragm mechanism and driving structure.
As shown in Figure 1, shell 1 is included with the first shell 11 being made of the first bottom surface and side wall and by the second bottom
The second shell 12 that face is formed with side wall；Second shell 12 removably surrounds inner cavity with the fastening of first shell 11.Vibrating diaphragm mechanism
It is arranged between the opening of first shell 11 and second shell 12, and the inner cavity of shell 1 is divided into the close to the first bottom surface
One cavity 13 and the second cavity 14 close to the second bottom surface.That is, the inner cavity of first shell 11 is as the first cavity 13, second shell
The inner cavity of body 12 is as the second cavity 14.First shell 11 and second shell 12 are preferably made of Alperm.
As shown in figures 3 and 8, vibrating diaphragm mechanism includes fixed frame 21, oscillating plate 22 and tibial membrane 23, and fixed frame 21 is fixed
Between the opening of first shell 11 and second shell 12, such as spot welding fixed form or with glue sticking mode；Tibial membrane 23
It is fixed on 13 1 side surface of the first cavity of direction on fixed frame 21；22 one end of oscillating plate is mounted on fixed frame 21, another
In the inner cavity of fixed frame, gap vacantly is formed between fixed frame 21 and oscillating plate for end；Tibial membrane is mounted on fixed frame, will be whole
A oscillating plate 22 is outstanding to be covered so that the first cavity 13 is separated with the sealing of the second cavity 14, and two cavitys do not connect.
For example, tibial membrane 23 is by being adhesive on fixed frame 21 and oscillating plate 22 or tibial membrane 23 is existed by glue sticking
21 on fixed frame, the preset clearance formed between the free end of oscillating plate 22 and fixed frame 21 is sealed, the material of tibial membrane 23
Preferably polymer compound film, such as PVC, PE composite membrane etc..
After being powered to driving structure, driving structure driving ultrasonic transformer 3 drives oscillating plate 22 to do and is set perpendicular to vibrating diaphragm mechanism
Put the of reciprocating vibration of direction.It should be noted that involved in text to the setting direction of vibrating diaphragm mechanism refer to that oscillating plate 22 is in
Under stationary state, the setting direction of vibrating diaphragm mechanism, in the present embodiment 1, vibrating diaphragm mechanism is horizontally disposed, accordingly oscillating plate 22
Direction of vibration is vertical direction.
As shown in Figure 1, driving structure is rounded piezoelectric vibrator 4, vacantly it is arranged in the second cavity 14.For example,
Supporting rack is provided in second shell, piezoelectric vibrator 4 is arranged on supporting rack, and is arranged in parallel with fixed frame 21；Or it does not set
Supporting rack is put, is directly mounted on the circumferential edge of piezoelectric vibrator 4 in the interior sidewall surface of second shell, two kinds of mounting means cause
Piezoelectric vibrator has vibration gap between 4 and second bottom surface.
As shown in Fig. 2, piezoelectric vibrator 4 include set gradually from top to bottom the first piezoelectric ceramics 41, separation layer 42 and
Second piezoelectric ceramics 43.Separation layer 42 is conductor, for example, by using iron plate or copper sheet.First piezoelectric ceramics 41 and the second piezoelectric ceramics
43 itself polarized, two faces are respectively anode and cathode.43 homopolarity of first piezoelectric ceramics 41 and the second piezoelectric ceramics during setting
Relatively, such as 41 bottom surface of the first piezoelectric ceramics is cathode, and 43 top surface of the second piezoelectric ceramics is cathode.First piezoelectricity is made pottery
The top surface connection positive electrode of porcelain 41, the bottom surface connection negative electrode of the second piezoelectric ceramics 43.First piezoelectric ceramics 41, every
42 and second piezoelectric ceramics 43 of absciss layer forms the circuit of a series connection.Positive electrode and negative electrode connect AC power input respectively
End, when positive electricity extremely positive voltage, negative electricity extremely negative voltage when, by inverse piezoelectric effect, the first piezoelectric ceramics 41 extends, the second pressure
Electroceramics 43 is shunk, and piezoelectric vibrator 4 generates convex bending deformation；When positive electricity extremely negative voltage, negative electricity extremely positive voltage when, pass through
Inverse piezoelectric effect, the first piezoelectric ceramics 41 are shunk, and the second piezoelectric ceramics 43 extends, and piezoelectric vibrator 4 generates concave curve deformation, by
In the regular exchange of alternating current positive and negative anodes so that piezoelectric vibrator 4 generate it is regular pump, so as to drive vibration
Plate is realized of reciprocating vibration.
As shown in Figure 1, ultrasonic transformer 3 is in solid flaring structure, such as cone, by alloy aluminum or titanium alloy casting into.Become
The bottom of width bar 3 is flared end, and top is necking end, and flared end is fixed on the middle part of piezoelectric vibrator 4, such as with glue sticking side
Formula；Necking end is fixed on by the connecting rod 5 being arranged in the second cavity on oscillating plate 22.
When piezoelectric vibrator vibration is come when ultrasonic transformer being driven to vibrate, the vibration of the flared end of ultrasonic transformer 3 is transferred to its necking end
Place, relative to the Oscillation Amplitude of flared end, can amplify the Oscillation Amplitude of necking end, so that the Oscillation Amplitude of oscillating plate is big
In the amplitude of driving structure vibration, under identical driving effect, the sound of receiver can be increased.
As shown in Figure 1, connecting rod 5 is arranged between oscillating plate 22 and ultrasonic transformer 3.One end of connecting rod 5 is as fixing end
On the second housing, the other end is fixed on as free end on oscillating plate 22 for installation；The necking end of ultrasonic transformer 3 is mounted on connecting rod
Between 5 two ends so that connecting rod 5 forms the lever using fixing end as the first fulcrum Z1, and 3 necking end of ultrasonic transformer is connecting
First arm of force between fixed point and the first fulcrum on bar is L1, the second power of the free end of connecting rod 5 to the first fulcrum Z1
Arm is L2, and the resistance that the free end of ultrasonic transformer 3 and connecting rod 5 is subject to respectively is F1 and F2, is obtained by lever principle, formula one：
F1*L1=F2*L2.Due to L1<L2 causes F1>F2 namely when the resistance suffered by ultrasonic transformer 3 is F1, suffered by oscillating plate 22
Resistance F3 ＜ F1, oscillating plate 22 is easier to vibrate by resistance smaller, Oscillation Amplitude increase, so as to fulfill setting is passed through
Connecting rod 5 further increases the function of the sound of receiver.
For connecting rod 5, connecting rod 5 is L-shaped, and the end of the horizontal part of L-shaped is as fixing end, the end of vertical portion
As free end；Alternatively, connecting rod 5 is in horizon bar, connecting rod 5 is fixedly connected with oscillating plate 22 by vertical connecting rod.
As shown in Figure 1, above-mentioned receiver, further includes the sound outlet hole 15 being opened on the side wall of first shell 11 and fixes
The sound guide tube 6 being contained on the outer surface of first shell 11 and by sound outlet hole 15.Driving hair when oscillating plate 22 vibrates
Sound film 23 agitates the air movement in the first cavity 13 so that sends out required sound in the first cavity 13, sound passes through again
Sound outlet hole 15 enters in sound guide tube 6 and then blazes abroad.
In receiver assembly project, modular assembly technology can be formed so that the assembling process of receiver is simple
Change.
The assembly technology of receiver in this embodiment is：
S10：The circumferential edge of circular piezoelectric vibrator 4 is fixed in second shell so that 4 second shell of circular piezoelectric vibrator
Vibration gap is reserved between the opposite bottom surface that is open of body；；
S20：The flared end of ultrasonic transformer 3 is fixed on to the middle part of circular piezoelectric vibrator 4, by the one of the horizontal part of connecting rod 5
End is fixed on the internal face of second shell and positioned at the top of ultrasonic transformer 3, then the necking end of ultrasonic transformer 3 is fixed on connecting rod
On the surface of 5 horizontal part；
S30：By fixed frame 21 be mounted on second shell opening on so that tibial membrane backwards to the inner cavity of second shell, and
The free end of connecting rod 5 is fixed on oscillating plate 22；
S40：The opening of first shell be located on a side surface of second shell backwards for vibrating diaphragm mechanism.
The assembly technology has piezoelectric vibrator 4, connecting rod 5, the second shell of ultrasonic transformer 3 by what is obtained in S10 and S20 steps
Body installs in advance as the first module, vibrating diaphragm mechanism as the second module, first shell as third module, three modules,
Finally again by three module general assemblies, to realize modular assembly technology, so as to improve the efficiency of assembling of receiver.
As the variant embodiment of assembly technology, fixed frame 21 is fixed in second shell 12 in S30 steps
On wall surface or the internal face of first shell 11 so that tibial membrane 23 is backwards to the inner cavity of second shell, and by the hanging of connecting rod 5
End is fixed on oscillating plate 22；In S40 steps, the opening of first shell 11 be located in the opening of second shell 12.
What the assembly technology will obtain in S10, S20 and S30 step has piezoelectric vibrator 4, and connecting rod 5 and is shaken at ultrasonic transformer 3
The second shell of film mechanism is as the first module, and first shell is as the second module；Or it will will be obtained in S10 and S20 steps
There is piezoelectric vibrator 4, the second shell of connecting rod 5 and ultrasonic transformer 3 has the first shell of vibrating diaphragm mechanism as the first module
As the second module, two modules install in advance, finally again by two module general assemblies, to realize modular assembly technology,
Module is less, further improves the efficiency of assembling of receiver.
Embodiment 2
The present embodiment provides the receiver provided in a kind of receiver, with embodiment 1, difference lies in：As shown in fig. 6,
Two connecting rods 5 are arranged in parallel between oscillating plate 22 and piezoelectric vibrator 4, underlying connecting rod 5 and piezoelectricity
Vibration gap is reserved between oscillator 4.The one end of connecting rod 5 being located above is installed on the second housing as fixing end, another
End is fixed on as free end on oscillating plate 22；The fixing end of underlying connecting rod 5 is fixed on the second housing, the other end
It is fixed on as free end in the connecting rod 5 being located above, which is located above between two ends of connecting rod 5；And
And the fixing end of two connecting rods 5 is located at the both sides of second shell or can also be located at the homonymy of second shell respectively.
The middle part of circular piezoelectric vibrator 4 is mounted on by ultrasonic transformer 3 in the connecting rod 5 of lower section, and ultrasonic transformer 3 is connecting
Fixed point on bar 5 is located between two ends of the connecting rod 5, is consolidated so that underlying connecting rod 5 is formed with it
Fixed end is the primary lever of the first fulcrum Z1, as shown in fig. 7, the first power between the fixed peace of ultrasonic transformer 3 and the first fulcrum Z1
Arm is L1, and second arm of force of free end to the first fulcrum of level-one bar thick stick is the free end difference of L2, ultrasonic transformer 3 and primary lever
The resistance being subject to is F1 and F2, is obtained by lever principle, formula one：F1*L1=F2*L2.
Similarly, the connecting rod 5 being located above forms the second lever using its fixing end as the second fulcrum Z2, second lever
Free end to the second fulcrum Z2 the third arm of force for L3, the 4th arm of force of free end to the second fulcrum Z2 of primary lever are
Resistance suffered by L4, the free end of second lever and the free end of primary lever is respectively F3 and F2, is obtained by lever principle,
Formula two：F3*L3=F2*L4 is combined formula one with formula two, F3=[(L1*L3)/(L2*L4)] F1 is obtained, due to L2 ＞
L1, while L4 ＞ L3 so that F3 ＜ F1, that is, when the resistance suffered by piezoelectric vibrator 4 be F1, the resistance suffered by oscillating plate 22
Power F3 ＜ F1, oscillating plate 22 are easier to vibrate, Oscillation Amplitude increase, so as to fulfill by setting two-stage by resistance smaller
Lever, further to increase the function of the sound of receiver.
Embodiment 3
The present embodiment provides a kind of receiver, compared with the receiver provided in embodiment 1 or embodiment 2, difference lies in：
The structure of piezoelectric vibrator 4 is different, piezoelectric vibrator 4 include the first piezoelectric ceramics 41 set gradually from top to bottom, every
42 and second piezoelectric ceramics 43 of absciss layer.Separation layer 42 is insulation film, such as insulation film is non-metal elastic vibrating diaphragm, preferably
For elastic polyurethane film.First piezoelectric ceramics 41 is opposite with 43 homopolarity of the second piezoelectric ceramics, such as under the first piezoelectric ceramics 41
Face is cathode, and the second piezoelectric ceramics 43 is cathode above.The upper surface connection positive electrode of first piezoelectric ceramics 41, lower surface connection
Negative electrode, the upper surface connection negative electrode of the second piezoelectric ceramics 43, lower surface connection positive electrode.The negative electricity of first piezoelectric ceramics 41
Pole and the negative electrode of the second piezoelectric ceramics 43 are connected to cathode, the positive electrode of the first piezoelectric ceramics 41 and the second piezoelectric ceramics 43
Positive electrode be connected to anode, two electrodes connect ac power input end respectively.As interchangeable embodiment, piezoelectricity
The number of plies for the piezoelectric ceramics that oscillator 4 may include can also be three layers, four layers, five layers etc., only between every two layers of the piezoelectric ceramics of need
It is provided with insulation film.
As interchangeable embodiment, the shape of piezoelectric vibrator 4 can also be strip, as shown in figure 4, piezoelectric vibrator
4 one end is fixed on the internal face of second shell, and for the other end vacantly in the second cavity, the bottom of ultrasonic transformer 3 is fixed on pressure
On the other end of electric tachometer indicator 4.It drives oscillating plate 22 to do principle of reciprocating vibration as the piezoelectric vibrator 4 in embodiment 1, no
Same part, the vibration section of the piezoelectric vibrator 4 of strip is the free end of piezoelectric vibrator 4, and the vibration section of circular piezoelectric vibrator 4 is
Its middle part, the piezoelectric vibrator 4 of strip is relative to the advantages of circular piezoelectric vibrator 4, the piezoelectric vibrator 4 of strip it is hanging
Hold degree of freedom big, it is easier to vibrate, and then the resistance F1 suffered by ultrasonic transformer 3 can be reduced, after multistage bar thick stick so that
Resistance smaller suffered by oscillating plate 22 further increases the Oscillation Amplitude of oscillating plate 22.
Corresponding to the piezoelectric vibrator 4 of strip, the assembly technology of receiver is different compared with the assembly technology of embodiment 1
Part is：In S10 steps, 4 one end of piezoelectric vibrator of strip is fixed in the side wall surface of second shell, the other end is made
It is free end vacantly in the second cavity, vibration gap is reserved between the bottom surface of second shell；In S20 steps, such as Fig. 4 institutes
Show, the flared end of ultrasonic transformer 3 is fixed on the free end of piezoelectric vibrator 4.
Embodiment 4
The present embodiment provides a kind of receiver, the receiver provided with embodiment 1 to any of embodiment 3 embodiment
It compares, the difference lies in：
The structure of vibrating diaphragm mechanism is different, and vibrating diaphragm mechanism only includes oscillating plate 22, is not provided with tibial membrane and fixed frame 21, but this
When oscillating plate 22 have elasticity, the neighboring of oscillating plate 22 is sealingly mounted on the internal face of shell, directly by shaking
Movable plate 22 by first shell and second shell fasten back wall into hollow lumen be divided into the first cavity and the second cavity.
Embodiment 5
A kind of receiver provided in this embodiment, and the receiver provided with embodiment 1 to embodiment 4, difference lies in：
As shown in figure 5, connecting rod 5 does not have free end, one end is fixed on the upper of 12 internal face of second shell, and the other end is fixed on oscillating plate
On 22.The connecting rod can also form lever amplification, smaller only for the increment of 22 amplitude of oscillating plate.Corresponding assembly technology
In, and the receiver assembly technology provided in embodiment 1, the difference lies in：In S20 steps, in advance by the one of connecting rod 5
End is fixed on the internal face of second shell 12, and positioned at the top of ultrasonic transformer 3, then the necking end of ultrasonic transformer 3 is fixed on company
On surface between 5 both ends of extension bar.
Embodiment 6
The present embodiment provides a kind of receiver, the receiver provided with embodiment 1 to any of embodiment 5 embodiment
It compares, the difference lies in：
Connecting rod can also be not provided between ultrasonic transformer 3 and oscillating plate 22, such as by ultrasonic transformer 3 by way of gluing
Necking end is directly connected to oscillating plate 22.
As further deformation, driving structure can also be other structures, for example, piezoelectric vibrator 4 is replaced with permanent magnetism
Body and the coil in the second cavity, coil generate the electromagnetic field of alternation after being powered, which generates permanent magnet
Attraction or repulsive force to drive ultrasonic transformer 3 that oscillating plate 22 is driven to vibrate, can also form 3 amplification of ultrasonic transformer, only second
Installing component is relatively more in cavity, and the assembling of receiver is slightly complicated.
Embodiment 7
A kind of receiver provided in this embodiment, with embodiment 1 to any of embodiment 6 embodiment provide by
Words device is compared, difference lies in：
Sound outlet hole 15 can also be opened in the other positions of first shell 11, such as the first bottom surface of first shell 11,
The sound guide tube 6 for being fixed on the outer surface of first shell 11 and being contained within sound outlet hole 15.Accordingly sound guide tube 6 is also set
It puts in the outside wall surface of the first bottom surface, sound outlet hole 15 is contained within.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to 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 the obvious variation thus extended out or
Among changing still in the scope of protection of the utility model.
Claims (8)
1. a kind of receiver, which is characterized in that including
Shell (1) has hollow lumen；
Vibrating diaphragm mechanism is arranged in the hollow lumen, by the hollow lumen be divided into the first cavity (13) for separating of sealing and
Second cavity (13)；It has the oscillating plate of installation on the housing；
Driving structure is arranged in second cavity (13)；
Ultrasonic transformer (3), in solid flaring structure；Its flared end is fixed in the driving structure, and necking end is fixed on described
On oscillating plate (22)；
After being powered to driving structure, the driving mechanism is used to drive the ultrasonic transformer (3) that the oscillating plate (22) is driven to do
Perpendicular to the of reciprocating vibration of vibrating diaphragm mechanism setting direction.
2. receiver according to claim 1, which is characterized in that further include at least one connecting rod (5), the connecting rod
(5) one end is fixed on the shell (1), and the other end is fixed on the oscillating plate (22)；
The necking end is fixed on the oscillating plate (22) by being fixed in the connecting rod (5)；The necking end exists
Installation point on the connecting rod (5) is located between two ends of the connecting rod (5).
3. receiver according to claim 2, which is characterized in that the connecting rod (5), which has, is parallel to the vibrating diaphragm machine
The first part of structure setting direction, one end of the first part are fixed on the shell (1), and the other end is hanged as free end
Sky is in second cavity (13)；Be fixed on the free end of the first part, and connect with the oscillating plate (22)
Second part.
4. receiver according to claim 3, which is characterized in that the first part is vertical with the second part to be set
It puts.
5. according to the receiver described in any one of claim 1-4, which is characterized in that the driving structure is piezoelectric vibrator
(4)。
6. receiver according to claim 5, which is characterized in that the piezoelectric vibrator (4) is rounded, the piezoelectric vibrator
(4) circumferential edge is fixed on the shell (1), and the flared end of the ultrasonic transformer (3) is fixed in the piezoelectric vibrator
In portion；Or
The piezoelectric vibrator (4) is elongated, and one end of the piezoelectric vibrator (4) is fixed on the shell (1), and the other end hangs
In second cavity (13), the flared end of the ultrasonic transformer (3) is fixed on the free end of the piezoelectric vibrator (4) sky.
7. according to the receiver described in any one of claim 1-4, which is characterized in that the vibrating diaphragm mechanism, which also has, to be mounted on
Fixed frame (21) on the shell (1)；
One end of the oscillating plate (22) is fixed in the fixed frame (21), and the other end is vacantly in the interior of the fixed frame (21)
In chamber；And determine on frame (21) mounted on the fixation and at least cover the fixed frame (21) and the oscillating plate (22) it
Between gap tibial membrane.
8. according to the receiver described in any one of claim 1-4, which is characterized in that the shell (1) is including by the first bottom
The first shell (11) that face is surrounded with side wall and the second shell (12) surrounded by the second bottom surface and side wall, the first shell
(11) opening be located in the opening of the second shell (12), to surround closed housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581873.1U CN207505141U (en) | 2017-11-23 | 2017-11-23 | A kind of receiver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581873.1U CN207505141U (en) | 2017-11-23 | 2017-11-23 | A kind of receiver |
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| Publication Number | Publication Date |
|---|---|
| CN207505141U true CN207505141U (en) | 2018-06-15 |
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ID=62505970
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| CN201721581873.1U Active CN207505141U (en) | 2017-11-23 | 2017-11-23 | A kind of receiver |
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| CN (1) | CN207505141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820183A (en) * | 2017-11-23 | 2018-03-20 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| CN107820183B (en) * | 2017-11-23 | 2024-06-28 | 苏州逸巛科技有限公司 | Telephone receiver and assembly process thereof |
-
2017
- 2017-11-23 CN CN201721581873.1U patent/CN207505141U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820183A (en) * | 2017-11-23 | 2018-03-20 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| CN107820183B (en) * | 2017-11-23 | 2024-06-28 | 苏州逸巛科技有限公司 | Telephone receiver and assembly process thereof |
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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) Patentee after: Suzhou Yiyi Technology Co.,Ltd. Address before: No. 368, Youyi Road, Bache Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Yiyi Electronic Technology Co., Ltd |
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