CN106714053A - Moving iron type receiver - Google Patents
Moving iron type receiver Download PDFInfo
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- CN106714053A CN106714053A CN201611075411.2A CN201611075411A CN106714053A CN 106714053 A CN106714053 A CN 106714053A CN 201611075411 A CN201611075411 A CN 201611075411A CN 106714053 A CN106714053 A CN 106714053A
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- Prior art keywords
- fixed
- coil
- iron type
- type receiver
- elastic deformation
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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
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/04—Microphones
Abstract
The invention relates to the technical field of electroacoustic conversion, and particularly relates to a moving iron type receiver. The moving iron type receiver comprises a shell, a diaphragm assembly, a coil, an armature and a magnetic yoke, the armature is a U-shaped armature, the U-shaped armature comprises a fixed edge and a vibrating edge, the fixed edge is fixed to the magnetic yoke, a buffer layer is arranged on one side of the coil close to the fixed edge, one surface of the buffer layer is in contact with the fixed side, and the other surface of the buffer layer is in contact with the coil. The fixed edge of the U-shaped armature is fixed with the magnetic yoke, the buffer layer is arranged on one side of the coil close to the fixed edge, and one surface of the buffer layer is in contact with the fixed side, thereby avoiding the suspension state of the part, reducing the possibility of the fixed edge to perform vibration at the same frequency as the vibrating edge within a certain amplitude and avoiding the even harmonic distortion possibility of the moving iron type receiver.
Description
Technical field
Embodiment of the present invention is related to electroacoustic switch technology field, more particularly to a kind of moving-iron type receiver.
Background technology
Moving-iron type receiver is mainly used in the wearable devices such as audiphone, earphone, audiomonitor, and moving-iron type receiver has
The ability of the excellent sound of reduction performance medium-high frequency.
The present inventor realize it is of the invention during, find correlation technique there is problems with：Moving-iron type receiver is adopted
During with U-shaped armature, U-shaped armature one side housing or magnet assemblies are fixed together, when being vibrated in order to avoid U-shaped armature and coil
Directly contact has gap so as to produce abnormal sound problem between coil and U-shaped armature.U-shaped armature another side through hub of a spool with
Conductive bar is connected, because U-shaped armature is the bulk metal of single piece type, the major part of its close bending place is also at vacant state,
When the U-shaped armature being connected with conductive bar is when dither is done, the part near bending place of U-shaped armature also can be certain
The vibration of same frequency is done in amplitude, causes dynamic iron unit even-order harmonic distortion to increase.
The content of the invention
The present invention for prior art moving-iron type receiver using U-shaped armature near the part of bending place, itself and conduction
One side of bar connection can also do the vibration of same frequency, the technology for causing dynamic iron unit even-order harmonic distortion to increase in certain amplitude
A kind of problem, there is provided moving-iron type receiver.
The embodiment of the present invention provides a kind of moving-iron type receiver, including housing, vibrating diaphragm component, coil, armature and yoke, institute
Armature is stated for U-shaped armature, the U-shaped armature includes fixed edge and vibration side, and the fixed edge is fixed in the yoke, described
Coil is provided with cushion near the side of fixed edge, and the one side of the cushion is contacted with fixed edge, the cushion it is another
Simultaneously with coil contact.
Alternatively, the cushion is extended with bending layer, the one of the bending layer to the kink direction of the U-shaped armature
Face contacts with the kink of U-shaped armature.
Alternatively, the cushion is damping glue, and the scope of the solidification point of the damping glue is -33 DEG C to -44 DEG C, liquefaction
The scope of point is 104 DEG C to 116 DEG C；
The scope of the surface roughness of the coil bottom surface is 3.721~9.794 μm.
Alternatively, the coil bottom surface sets multiple first blind holes or multiple zigzag first are raised.
Alternatively, the coil bottom surface sets multiple according to the first depressed part of Fermat helical row or according to A Ji
Rice obtains the first groove of helical row.
Alternatively, the coil is formed by wire coiling multi-turn, the wire outside parcel insulating barrier, the insulating barrier
The surface roughness of lateral surface is 2.812~5.626 μm.
Alternatively, the lateral surface of the insulating barrier sets multiple second blind holes or multiple zigzag second are raised.
Alternatively, the housing includes upper casing and lower casing, and the vibrating diaphragm component includes stand frame and film, and the film is consolidated
Due on stand frame；
The upper casing and stand frame are detachably connected, and the stand frame and the lower casing are detachably connected, the upper casing
It is detachably connected with lower casing.
Alternatively, the upper casing includes the upper side wall that top board and the both sides of the edge from top board extend downwardly, two upper side walls
On be respectively provided with the 3rd fixed swage and the 4th fixed swage；
The both sides of the stand frame are extended with the first extension and the second extension, the outside of the first extension separately down
First elastic deformation boss and the first fixed swage are set, and the outside of the second extension sets the second elastic deformation boss and second
Fixed swage；
The lower casing includes base plate, and the lower casing also includes the first lower wall and second upwardly extended by the both sides of base plate
Lower wall, sets the first buckling groove, the first fixation ball and the first elastic deformation part, the second lower wall in first lower wall
The second buckling groove of upper setting, second fix ball and the second elastic deformation part；
Opening towards inboard first buckling groove, the 1 of the first elastic deformation part are set in first lower wall
The bottom of the first buckling groove is fixed at end, and the other end of the first elastic deformation part is fixed with the first fixation ball；
Opening towards inboard second buckling groove, the 1 of the second elastic deformation part are set in second lower wall
The bottom of the second buckling groove is fixed at end, and the other end of the second elastic deformation part is fixed with the second fixation ball；
Described first fixes at least partially embedded first fixed swage of ball, and the first elastic deformation boss is stretched
Enter the 3rd fixed swage；
Described second fixes at least partially embedded second fixed swage of ball, and the second elastic deformation boss stretches into the
Four fixed swages.
Alternatively, the first lower wall top sets first fixing groove, and the side wall of first fixing groove is set
First buckling groove, first buckling groove is connected with first fixing groove, and first extension be contained in it is described
First fixing groove；
The second lower wall top sets second fixing groove, and the side wall of second fixing groove sets described second
Buckling groove, second buckling groove is connected with second fixing groove, and second extension is contained in described second and fixes
Groove.
The beneficial effect of embodiment of the present invention is：It is different from the situation of prior art, the dynamic iron of embodiment of the present invention
Formula receiver includes housing, vibrating diaphragm component, coil, armature and yoke, and armature is U-shaped armature, and U-shaped armature includes fixed edge and shakes
Dynamic side, fixed edge is fixed in yoke and coil, and coil is provided with cushion near the side of fixed edge, the one side of cushion with
Fixed edge is contacted, the another side and coil contact of cushion.The moving-iron type receiver of the embodiment of the present invention uses U-shaped armature, U-shaped
The fixed edge of armature is fixed in yoke, and cushion, the one side of cushion are provided with the side of fixed edge in coil
Contacted with fixed edge, this can be avoided to be partially in vacant state, reduced fixed edge and done with frequency with vibration side in certain amplitude
The possibility of the vibration of rate, it is to avoid the probability of moving-iron type receiver even-order harmonic distortion increase；And fixed edge passes through cushion
It is not rigid contact, it is not easy to produce abnormal sound problem with coil contact.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in accompanying drawing, removes
It is non-to have especially statement, the figure not composition limitation in accompanying drawing.
Fig. 1 is the structural representation of moving-iron type receiver provided in an embodiment of the present invention；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 2 is provided for another embodiment of the present invention；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 3 is provided for further embodiment of this invention；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 4 is provided for another embodiment of the present invention；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 5 is provided for further embodiment of this invention；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 6 is provided for another embodiment of the present invention；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 7 is provided for further embodiment of this invention；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 8 is provided for another embodiment of the present invention；
The structural representation of the moving-iron type receiver that Fig. 9 is provided for another embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of present invention implementation clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Embodiment below with reference to Description of Drawings is exemplary, it is intended to used
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Face is described in detail with reference to accompanying drawing to embodiments of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute
The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, rather than the dress for indicating or implying meaning
Put or element with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that must be protected to the present invention
The limitation of scope.
As long as additionally, technical characteristic involved in invention described below each implementation method is each other not
Constituting conflict can just be mutually combined.
As shown in figure 1, the moving-iron type receiver 300 of embodiment of the present invention includes housing, vibrating diaphragm component, coil 40, electricity
Pivot and yoke 50, armature are U-shaped armature 60, and U-shaped armature 60 includes fixed edge 61 and vibration side 62, and fixed edge 61 is located at yoke 50
Above coil 40, fixed edge 61 is fixed in yoke 50, and coil 40 is provided with cushion 70 near the side of fixed edge 61, is delayed
The one side for rushing layer 70 is contacted with fixed edge 61, and the another side of cushion 70 is contacted with coil 40.
The beneficial effect of embodiment of the present invention is：It is different from the situation of prior art, the dynamic iron of embodiment of the present invention
Formula receiver 300 using U-shaped armature 60, fix, Er Qie by yoke bottom surface 611 and the yoke 50 of the fixed edge 61 of U-shaped armature 60
Coil 40 is provided with cushion 70 near the side of fixed edge 61, and the one side of cushion 70 connects with the fixed edge 61 of fixed edge 61
Touch, the armature of this part can be avoided to be in vacant state, reduce fixed edge 61 and done with frequency with vibration side 62 in certain amplitude
The possibility of the vibration of rate, it is to avoid the probability of the even-order harmonic distortion of moving-iron type receiver 300 increase；And fixed edge 61 is by slow
Rush layer 70 to be contacted with coil 40, be not rigid contact, it is not easy to produce abnormal sound problem.
In certain embodiments, cushion 70 can also be set on the surface of yoke 50 in fixed edge 61, can also keeps away
Exempt from the rigid contact of U-shaped armature 60 and miscellaneous part contact portion, for example, avoid the rigid contact of U-shaped armature 60 and housing, or
Person avoids the rigid contact of U-shaped armature 60 and vibrating diaphragm component, it is to avoid the audio distortions problem thus brought.
In another embodiment, as shown in figure 8, cushion 70 is extended with bending layer to the kink direction of U-shaped armature 60
71, the one side for bending layer 71 is contacted with the kink of U-shaped armature 60.Cushion 70 extends to the kink direction of U-shaped armature 60
Having bending layer 71 can further reduce the possibility that fixed edge 61 does the vibration of same frequency in certain amplitude with vibration side 62, keep away
Exempt from the probability of the even-order harmonic distortion of moving-iron type receiver 300 increase.The bending of U-shaped armature 60 is first passed in the vibration for vibrating side 62
Portion, first to vibrating into row buffering, fixed edge 61 is just passed in the next vibration on vibration side 62 to the bending layer 71 contacted with kink,
Buffered by cushion 70.
In another embodiment, cushion is damping glue, and the scope of the solidification point of the damping glue is -33 DEG C to -44 DEG C,
The scope of liquefaction point is 104 DEG C to 116 DEG C.I.e. preferably, damping glue keeps liquid between -33 DEG C to 116 DEG C, and damps
The viscosity property and mobility of glue keep constant, in the temperature between -33 DEG C to 116 DEG C, the viscosity property and stream of damping glue
Dynamic property does not change with time and changes.Damping glue plays damping and cushioning effect, can greatly reduce the fixation of U-shaped armature 60
The Oscillation Amplitude on side 61, so as to improve resulting even-order harmonic distortion.Using the damping glue of the embodiment of the present invention, two do not make
With solid glue or common liq glue, if because glue curing, in armature dither, glue can take off therewith
From such armature produces collision with solid glue, can cause more serious abnormal sound and problem of dtmf distortion DTMF；Common liq glue is not used
Then because its mobility is than larger, damping action is small.
As shown in figure 1, the side of the bottom surface of fixed edge 61 is yoke bottom surface 611, yoke bottom surface 611 is fixed with yoke 50, and
The opposite side of the bottom surface of fixed edge 61 is coil bottom surface 613, and coil bottom surface 613 contacts with cushion 70.
In order to increase the frictional force between coil bottom surface 613 and cushion 70, by the surface roughness of coil bottom surface 613
Scope is set to 3.721~9.794 μm, and its evaluation length lr is 0.8mm, because the surface uniformity of armature is preferable, can during measurement
From the evaluation length value less than 5*lr.
Specifically, to increase the frictional force between coil bottom surface 613 and cushion 70, coil bottom surface 613 is allowed to have certain
Surface roughness, as shown in Fig. 2 setting multiple first blind holes 6131 in coil bottom surface 613.Damping glue under capillary action,
The bottom of the first blind hole 6131 is risen to, the contact surface between coil bottom surface 613 and cushion 70 is increased, makes coil bottom surface 613
Increase with the frictional force between cushion 70.
Further, to increase the frictional force between coil bottom surface 613 and cushion 70, coil bottom surface 613 is allowed to have one
Fixed surface roughness, as shown in figure 3, setting the first projection of multiple zigzag 6132 in coil bottom surface 613.Damping glue is in capillary
Under effect, rise at the gap between the first projection 6132, increase the contact surface between coil bottom surface 613 and cushion 70,
Increase the frictional force between coil bottom surface 613 and cushion 70.
Preferably, it is further to increase the frictional force between coil bottom surface 613 and cushion 70, allows coil bottom surface 613 to have
There is certain surface roughness, multiple the first depressions according to Fermat helical row as shown in Figure 4 are set in coil bottom surface 613
Portion 6135.Fermat helix, is one kind of equiangular spiral.Fermat helix is one kind of snail line, with a fixing point
Start the curve that outside from coil to coil curls up and formed, fermat spiral is one kind of equiangular spiral, expression formula：
r2=a2 θ
Wherein a is real number.In formula, r is round radius, and θ is polar angle.
Damping glue under capillary action, rises to the bottom of multiple the first depressed parts 6135 according to Fermat helical row
Portion, increases the contact surface between coil bottom surface 613 and cushion 70, makes the frictional force between coil bottom surface 613 and cushion 70
Increase.And multiple makes frictional force be more evenly distributed according to the first depressed part 6135 of Fermat helical row, can further increase
Frictional force between ledger line circle bottom surface 613 and cushion 70.
Or the first groove 6136 as shown in Figure 5 according to Archimedian helical row is set in coil bottom surface 613.Ah
Base Mead helical (also known as constant velocity spiral), gains the name in 3rd century BC Greek mathematics man Archimedes.Archimedes spiral is
One point at the uniform velocity leaves the track produced so that fixed angular speed is rotated around the fixing point again while a fixing point.
The polar equation formula of Archimedes spiral is：
R=a+b θ
Wherein a and b are real number.Change parameter a equivalent to rotation helical, and parameter b then control adjacent two curves it
Between distance.
The plane cartesian coordinate equation of Archimedes spiral is：
X=(alpha+beta θ) cos (θ)
Y=(alpha+beta θ) sin (θ)
The general transform method that polar coordinate system is tied to from cartesian coordinate：
The general transform method from polar coordinate system to cartesian coordinate system：
X=rcos (θ)
Y=rsin (θ)
Damping glue under capillary action, rises to the bottom according to the first groove 6136 of Archimedian helical row,
The contact surface between coil bottom surface 613 and cushion 70 is increased, increases the frictional force between coil bottom surface 613 and cushion 70
Plus.And multiple makes frictional force be more evenly distributed according to the first groove 6136 of Archimedian helical row, can further increase
Frictional force between ledger line circle bottom surface 613 and cushion 70.
In another embodiment, coil 40 is formed by wire (not shown) coiling multi-turn, wire outside parcel insulating barrier, institute
The surface roughness for stating the lateral surface 42 of insulating barrier is 2.812~5.626 μm, and its evaluation length lr is 0.8mm, due to insulating barrier
Typically it is made up of plastic insulation material and rubber insulation material, the material of the lateral surface of insulating barrier is plastics, and the surface of plastics is equal
Even property preferably, can select the evaluation length value less than 5*lr during measurement.
Specifically, be the insulating barrier for increasing coil 40 lateral surface 42 and cushion 70 between frictional force, allow coil 40
Insulating barrier lateral surface 42 have certain surface roughness, as shown in fig. 6, the lateral surface 42 in the insulating barrier of coil 40 sets
Put multiple second blind holes 421.Damping glue under capillary action, drops to the bottom of the second blind hole 421, increases the insulation of coil 40
Contact surface between the lateral surface 42 and cushion 70 of layer, makes between the lateral surface 42 and cushion 70 of the insulating barrier of coil 40
Frictional force increases.
Or multiple projections of zigzag second are further, to increase the lateral surface 42 and cushion of the insulating barrier of coil 40
Frictional force between 70, allow coil 40 insulating barrier lateral surface 42 have certain surface roughness, as shown in fig. 7, online
The lateral surface 42 of the insulating barrier of circle 40 sets the second projection of multiple zigzag 423.Damping glue under capillary action, drops to second
At gap between raised 423, the contact surface between the lateral surface 42 and cushion 70 of the insulating barrier of coil 40 is increased, make coil
Frictional force between the lateral surface 42 and cushion 70 of 40 insulating barrier increases.
In another embodiment, as shown in figure 9, vibrating diaphragm component includes stand frame 109 and film 105, stand frame 109 is set
There is the first opening, film 105 is fixed on stand frame 109, and cover first and be open.
Further, lower casing 120 includes base plate 122 and the He of the first lower wall 123 upwardly extended by the both sides of base plate 122
Second lower wall 121, housing also includes that the first fixing groove 87, the first buckling groove 86, first are set in the first lower wall 123 fixes
The elastic deformation part 82 of ball 81 and first,；The second fixing groove 88, the second buckling groove 88, second is set in second lower wall 121 to consolidate
Determine the elastic deformation part 84 of ball 83 and second, lower casing 120 includes the lower wall that base plate and the edge from base plate are upwardly extended, upper casing
110 include the upper side wall that top board and the both sides of the edge from top board extend downwardly.
The first fixing groove 87 and the second fixing groove 89 are provided with the top of lower wall, i.e. the top of the first lower wall 123 is set
First fixing groove 87, the top of the second lower wall 121 sets second fixing groove 89.Set in first lower wall 123 and opened
Mouthful towards the first inboard buckling groove 86, or side wall in the first fixing groove 87 near outside is provided with the first buckling groove 86, the
One buckling groove 86 is connected with the first fixing groove 87, and the bottom of the first buckling groove 86 is fixed in one end of the first elastic deformation part 82,
And the other end is fixed with the first fixation ball 81, when the first elastic deformation part 82 is in nature retracted position, first fixes ball
81 at least partly protrude from the first buckling groove 86 and embedded first fixing groove 87.Opening is set inwardly in second lower wall 121
Second buckling groove 88 of side, or side wall in the second fixing groove 89 near outside is provided with the second buckling groove 88, the second clamping
Groove 88 is connected with the second fixing groove 89, and the bottom of the second buckling groove 88 is fixed in one end of the second elastic deformation part 84, and separately
One end is fixed with the second fixation ball 83, and when the second elastic deformation part 84 is in nature retracted position, second fixes ball 83 at least
Part protrudes from the second buckling groove 88 and embedded second fixing groove 89.
The both sides outer wall of stand frame 109 is extended with the first extension 97 and the second extension 99, and first separately down
Extension 97 is provided with the first fixed swage 91, and when the first extension 97 is contained in the first fixing groove 87, first fixes ball 81
In at least partially embedded first fixed swage 91, the second extension 99 is provided with the second fixed swage 93, in the second extension 99
When being contained in the second fixing groove 89, second fixes at least partially embedded second fixed swage 93 of ball 83, so that making vibrating diaphragm
Mutually fixed with lower casing 120.In the present embodiment, the first elastic deformation part 82 and the second elastic deformation part 84 are spring.Profit
With elastic deformation part can elastic shape performance, insert the first fixing groove 87 in the first extension 97, the insertion of the second extension 99 the
During two fixing grooves 89, the first extension 97 promotes first to fix ball 81 and retracts in the first buckling groove 86, and the second extension 99 is promoted
Second fix ball 83 retract the second buckling groove 88 in, until when the first fixed swage 91 slide into first fix ball 81 it is corresponding
Position, and the second fixed swage 93 slid into when fixing the corresponding position of ball 83 with second, and first fixes ball 81 by the
One elastic deformation part 82 is pushed to and is partially submerged into the first fixed swage 91, and the second fixation ball 83 is pushed away by the second elastic deformation part 84
Move to being partially submerged into the second fixed swage 93, so as to vibrating diaphragm mutually be fixed with lower casing 120.In addition, using elastic deformation part
Elastically deformable performance, dismounting vibrating diaphragm and upper casing 110 are also more convenient.
Further, the outer wall of stand frame 109 also sets up the first elastic deformation boss 103 and the second elastic deformation boss
101, the first elastic deformation boss 103 is located at the lower section of the first extension 103, and the second elastic deformation boss 101 prolongs positioned at second
The lower section of extending portion 101.The upper side wall of the both sides of upper casing 110 is also respectively provided with the 3rd fixed swage 113 and the 4th fixed swage
111, the first elastic deformation boss 103 stretches into the 3rd fixed swage 113, and the first elastic deformation boss 103 and the 3rd is fixed
113 male-female engagements that are recessed are fixed, and the second elastic deformation boss 101 stretches into the 4th fixed swage 111, the second elastic deformation boss
101 are fixed with the male-female engagement of the 4th fixed swage 111 so that stand frame 109 is fixed with upper casing 110, so that upper casing 110,
Lower casing 120 is mutually fixed with the three of stand frame 109, and is detachable solid between upper casing 110, lower casing 120 and the three of stand frame 109
It is fixed, facilitate and dismantled between upper casing 110, lower casing 120 and stand frame 109 and install.
It should be noted that：For more preferable ground fixed support frame 109 and lower casing 120, the first fixing groove 87 and second is solid
Determining groove 89 can be oppositely arranged, for example：When lower casing 120 is square, the first fixing groove 87 and the second fixing groove 89 are located at two-phase respectively
To lower wall top.
Certainly, the first extension 97 and the second extension 99 can also be oppositely arranged, for example：When stand frame 109 is square,
First extension 97 and the second extension 99 are respectively arranged at the relative side wall of 109 liang of stand frame.
Further, it is additionally provided between lower casing 120 and stand frame 109, and between upper casing 110 and stand frame 109 close
Packing, it is to avoid moving-iron type receiver 300 in sounding, air-flow between lower casing 120 and stand frame 109, and/or upper casing 110 with
Gap outflow between stand frame 109, the performance of influence moving-iron type receiver 300.
Embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of moving-iron type receiver, including housing, vibrating diaphragm component, coil, armature and yoke, it is characterised in that the armature
It is U-shaped armature, the U-shaped armature includes fixed edge and vibration side, the fixed edge is fixed in the yoke, and the coil is leaned on
The side of nearly fixed edge is provided with cushion, and the one side of the cushion is contacted with fixed edge, the another side of the cushion with
Coil contact.
2. moving-iron type receiver according to claim 1, it is characterised in that the cushion is curved to the U-shaped armature
Folding part direction is extended with bending layer, and the one side of the bending layer is contacted with the kink of U-shaped armature.
3. moving-iron type receiver according to claim 1 and 2, it is characterised in that the cushion is damping glue, the resistance
The scope of the solidification point of Buddhist nun's glue is -33 DEG C to -44 DEG C, and the scope of liquefaction point is 104 DEG C to 116 DEG C；
The scope of the surface roughness of the coil bottom surface is 3.721~9.794 μm.
4. moving-iron type receiver according to claim 3, it is characterised in that the coil bottom surface sets multiple first blind holes
Or multiple projections of zigzag first.
5. moving-iron type receiver according to claim 3, it is characterised in that the coil bottom surface sets multiple according to Fermat
First depressed part of helical row or the first groove according to Archimedian helical row.
6. moving-iron type receiver according to claim 1, it is characterised in that the coil is formed by wire coiling multi-turn,
The wire outside parcel insulating barrier, the surface roughness of the lateral surface of the insulating barrier is 2.812~5.626 μm.
7. moving-iron type receiver according to claim 6, it is characterised in that the lateral surface of the insulating barrier sets multiple the
Two blind holes or multiple zigzag second are raised.
8. moving-iron type receiver according to claim 1, it is characterised in that the housing includes upper casing and lower casing, described
Vibrating diaphragm component includes stand frame and film, and the film is fixed on stand frame；
The upper casing and stand frame are detachably connected, and the stand frame and the lower casing are detachably connected, and the upper casing is with
Shell is detachably connected.
9. moving-iron type receiver according to claim 8, it is characterised in that the upper casing includes top board and from top board two
The upper side wall that lateral edges are extended downwardly, the 3rd fixed swage and the 4th fixed swage are respectively provided with two upper side walls；
The both sides of the stand frame are extended with the first extension and the second extension separately down, and the outside of the first extension is set
First elastic deformation boss and the first fixed swage, the outside of the second extension set the second elastic deformation boss and second and fix
Depression；
The lower casing includes base plate, and the lower casing also includes the first lower wall upwardly extended by the both sides of base plate and the second downside
Wall, sets the first buckling groove, the first fixation ball and the first elastic deformation part in first lower wall, set in the second lower wall
Put the second buckling groove, the second fixation ball and the second elastic deformation part；
Opening towards inboard first buckling groove is set in first lower wall, and one end of the first elastic deformation part is consolidated
Fixed with the first fixation ball due to the bottom of the first buckling groove, and the other end of the first elastic deformation part；
Opening towards inboard second buckling groove is set in second lower wall, and one end of the second elastic deformation part is consolidated
Fixed with the second fixation ball due to the bottom of the second buckling groove, and the other end of the second elastic deformation part；
Described first fixes at least partially embedded first fixed swage of ball, and the first elastic deformation boss stretches into institute
State the 3rd fixed swage；
Described second fixes at least partially embedded second fixed swage of ball, and the second elastic deformation boss stretches into the 4th and consolidates
Fixed depression.
10. moving-iron type receiver according to claim 9, it is characterised in that the first lower wall top sets described
First fixing groove, the side wall of first fixing groove sets first buckling groove, and first buckling groove is solid with described first
Determine groove connection, and first extension is contained in first fixing groove；
The second lower wall top sets second fixing groove, and the side wall of second fixing groove sets second clamping
Groove, second buckling groove is connected with second fixing groove, and second extension is contained in second fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075411.2A CN106714053B (en) | 2016-11-29 | 2016-11-29 | Moving-iron type telephone receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075411.2A CN106714053B (en) | 2016-11-29 | 2016-11-29 | Moving-iron type telephone receiver |
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| Publication Number | Publication Date |
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| CN106714053A true CN106714053A (en) | 2017-05-24 |
| CN106714053B CN106714053B (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611075411.2A Active CN106714053B (en) | 2016-11-29 | 2016-11-29 | Moving-iron type telephone receiver |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107135450A (en) * | 2017-06-02 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with new vibrating diaphragm support |
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| CN107731504B (en) * | 2017-09-28 | 2023-11-07 | 深圳市长盈精密技术股份有限公司 | Preparation method of magnet armature belt and magnet armature belt |
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| CN110022518A (en) * | 2019-04-26 | 2019-07-16 | 苏州亿欧得电子有限公司 | A kind of low vortex magnetic loss armature device for electroacoustic transducer |
| CN110022518B (en) * | 2019-04-26 | 2024-04-12 | 苏州亿欧得电子有限公司 | Low-eddy-current magnetic-loss armature device for electroacoustic transducer |
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