CN206164841U - Moving iron receiver - Google Patents
Moving iron receiver Download PDFInfo
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- CN206164841U CN206164841U CN201621307052.4U CN201621307052U CN206164841U CN 206164841 U CN206164841 U CN 206164841U CN 201621307052 U CN201621307052 U CN 201621307052U CN 206164841 U CN206164841 U CN 206164841U
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Abstract
The utility model relates to an electro -acoustic transducer technical field especially relates to moving iron receiver, including casing, vibrating diaphragm subassembly, coil, armature and yoke, the armature is the U -shaped armature, and the U -shaped armature includes fixed limit and vibration limit, and on the yoke was fixed in on fixed limit, the coil was equipped with the buffer layer on being close to one side of fixing the limit, and the one side and the fixed edge joint of buffer layer touch, the another side and the coil contact of buffer layer. The fixed limit of U -shaped armature is fixed with the yoke, is equipped with the buffer layer in addition on the coil is close to the one side on fixed limit, and the one side and the fixed edge joint of buffer layer touch, can avoid this part to be in unsettled state, reduces the possibility of doing the vibration of same frequency with the vibration limit in fixed limit in certain range, avoids the probability of moving iron receiver idol time harmonic distortion increase.
Description
Technical field
The utility model embodiment 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 utility model people has found that correlation technique has problems with during the utility model is realized：Moving-iron type
When receiver adopts U-shaped armature, U-shaped armature one side housing or magnet assemblies are fixed together, in order to avoid the vibration of U-shaped armature
When with coil directly contact so as to produce abnormal sound problem, have gap between coil and U-shaped armature.U-shaped armature another side passes through line
Circle center is connected with conductive bar, because U-shaped armature is the bulk metal of single piece type, its major part near bending place is also at outstanding
Dummy status, when the U-shaped armature being connected with conductive bar is when dither is done, the part of the close bending place of U-shaped armature
The vibration of same frequency can be done in certain amplitude, causes dynamic iron unit even-order harmonic distortion to increase.
Utility model content
The utility model for prior art moving-iron type receiver using U-shaped armature near the part of bending place, its with
One side of conductive bar connection also can do the vibration of same frequency in certain amplitude, cause what dynamic iron unit even-order harmonic distortion increased
A kind of technical problem, there is provided moving-iron type receiver.
The utility model embodiment provides a kind of moving-iron type receiver, including housing, vibrating diaphragm component, coil, armature and magnetic
Yoke, the armature is U-shaped armature, and the U-shaped armature includes fixed edge and vibration side, and the fixed edge is fixed on the yoke
On, the coil is provided with cushion near the side of fixed edge, and the one side of the cushion is contacted with fixed edge, the buffering
The another side and coil contact of layer.
Alternatively, the cushion is extended with bending layer to the kink direction of the U-shaped armature, and the one of the bending layer
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 arranges multiple first blind holes or multiple zigzag first are raised.
Alternatively, the coil bottom surface arranges 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 arranges 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
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 separately down the first extension and the second extension, the outside of the first extension
First elastic deformation boss and the first fixed swage are set, and the outside of the second extension arranges the second elastic deformation boss and second
Fixed swage；
The lower casing includes base plate, and the lower casing is also included by upwardly extending first lower wall in both sides and second of base plate
Lower wall, arranges 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 is set in first lower wall towards inboard first buckling groove, the one of the first elastic deformation part
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 is set in second lower wall towards inboard second buckling groove, the second elastic deformation part
The bottom of the second buckling groove is fixed in one 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 arranges first fixing groove, and the side wall of first fixing groove is arranged
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 arranges second fixing groove, and the side wall of second fixing groove arranges 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 the utility model embodiment is：It is different from the situation of prior art, the utility model embodiment party
The moving-iron type receiver of formula includes housing, vibrating diaphragm component, coil, armature and yoke, and armature is U-shaped armature, and U-shaped armature includes solid
Deckle and vibration side, fixed edge is fixed in yoke and coil, and coil is provided with cushion, cushion near the side of fixed edge
One side contact with fixed edge, the another side and coil contact of cushion.The moving-iron type receiver of the utility model embodiment is adopted
The fixed edge for using U-shaped armature, U-shaped armature is fixed in yoke, and is provided with cushion on the side of fixed edge in coil,
The one side of cushion is contacted with fixed edge, and this can be avoided to be partially in vacant state, reduce fixed edge in certain amplitude with
Do the possibility of the vibration of same frequency in vibration side, it is to avoid the probability of moving-iron type receiver even-order harmonic distortion increase；And it is fixed
Side, by cushion and coil contact, is not rigid contact, it is not easy to produce abnormal sound problem.
Description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
Bright not constitute the restriction to embodiment, the element with same reference numbers label is expressed as similar element in accompanying drawing, removes
Non- to have especially statement, composition is not limited the figure in accompanying drawing.
The structural representation of the moving-iron type receiver that Fig. 1 is provided for the utility model embodiment；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 2 is provided for another embodiment of the utility model；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 3 is provided for the another embodiment of the utility model；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 4 is provided for another embodiment of the utility model；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 5 is provided for the another embodiment of the utility model；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 6 is provided for another embodiment of the utility model；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 7 is provided for the another embodiment of the utility model；
The part-structure schematic diagram of the moving-iron type receiver that Fig. 8 is provided for another embodiment of the utility model；
The structural representation of the moving-iron type receiver that Fig. 9 is provided for another embodiment of the utility model.
Specific embodiment
Purpose, technical scheme and advantage to implement the utility model is clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, is further described in more detail to the technical scheme in the utility model embodiment.In the accompanying drawings, ad initio
Same or similar element is represented to same or similar label eventually or the element with same or like function.Described reality
It is a part of embodiment of the utility model to apply example, rather than the embodiment of whole.Below with reference to the embodiment of Description of Drawings
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to restriction of the present utility model.It is new based on this practicality
Embodiment in type, the every other enforcement that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " is based on accompanying drawing institute
The orientation for showing or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The restriction of novel protected scope.
As long as additionally, technical characteristic involved in the utility model disclosed below each embodiment each other it
Between do not constitute conflict just can be mutually combined.
As shown in figure 1, the moving-iron type receiver 300 of the utility model embodiment includes housing, vibrating diaphragm component, coil
40th, armature and yoke 50, armature is 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 and the top of coil 40, fixed edge 61 is fixed in yoke 50, and coil 40 is provided with buffering near the side of fixed edge 61
Layer 70, the one side of cushion 70 is contacted with fixed edge 61, and the another side of cushion 70 is contacted with coil 40.
The beneficial effect of the utility model embodiment is：It is different from the situation of prior art, the utility model embodiment party
The moving-iron type receiver 300 of formula adopts yoke bottom surface 611 and the yoke 50 of U-shaped armature 60, the fixed edge 61 of U-shaped armature 60 to consolidate
It is fixed, and cushion 70, the one side of cushion 70 and consolidating for fixed edge 61 are provided with the side of fixed edge 61 in coil 40
Deckle 61 is contacted, and can avoid the armature of this part in vacant state, reduce fixed edge 61 in certain amplitude with vibration side
The possibility of 62 vibrations for doing same frequency, it is to avoid the probability of the even-order harmonic distortion of moving-iron type receiver 300 increase；And fixed edge
61 are contacted by cushion 70 with coil 40, are not rigid contacts, it is not easy to produce abnormal sound problem.
In certain embodiments, also be able to can be kept away so that cushion 70 is arranged on the surface of yoke 50 in fixed edge 61
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 to the kink direction of U-shaped armature 60 extends
There is bending layer 71 further to 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 on vibration 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 of glue and mobility 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 over time.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 utility model embodiment, two
Solid glue or common liq glue are not used, is because if glue curing, in armature dither, glue can be with
Disengaging, such armature and solid glue produce collision, can cause more serious abnormal sound and problem of dtmf distortion DTMF；Common liq is not adopted
Glue is then because its mobility than larger, and damping action is little.
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, due to armature surface uniformity preferably, can during measurement
From the evaluation length value less than 5*lr.
Specifically, it is to increase the frictional force between coil bottom surface 613 and cushion 70, allows coil bottom surface 613 to have certain
Surface roughness, as shown in Fig. 2 arranging 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, coil bottom surface 613 is made
Increase with the frictional force between cushion 70.
Further, it is to increase the frictional force between coil bottom surface 613 and cushion 70, allows coil bottom surface 613 to have one
Fixed surface roughness, as shown in figure 3, arranging 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 the first depressed parts 6135 according to Fermat helical row make frictional force be more evenly distributed, can further increase
Plus the frictional force between coil bottom surface 613 and cushion 70.
Or arrange as shown in Figure 5 according to the first groove 6136 of Archimedian helical row 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 the first grooves 6136 according to Archimedian helical row make frictional force be more evenly distributed, can further increase
Plus the frictional force between coil 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.
It is the lateral surface 42 and cushion of the insulating barrier for increasing coil 40 or multiple projections of zigzag second are further
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 arranges 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 arranged
There is the first opening, film 105 is fixed on stand frame 109, and cover the first opening.
Further, lower casing 120 includes base plate 122 and the upwardly extending He of first lower wall 123 in both sides by base plate 122
Second lower wall 121, housing also includes that the first fixing groove 87, the first buckling groove 86, first are arranged in the first lower wall 123 fixes
The elastic deformation part 82 of ball 81 and first；Arrange the second fixing groove 88, the second buckling groove 88, second in second lower wall 121 to fix
The elastic deformation part 84 of ball 83 and second, lower casing 120 includes the upwardly extending lower wall of base plate and the edge from base plate, upper casing 110
Including 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 arranged
First fixing groove 87, the top of the second lower wall 121 arranges second fixing groove 89.Arrange in first lower wall 123 and open
Mouth is provided with the first buckling groove 86 towards the first inboard buckling groove 86, or the side wall in the first fixing groove 87 near outside, 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 the 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 separately down the first extension 97 and the second extension 99, and first
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 fix 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, dismantles vibrating diaphragm and upper casing 110 is 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 fix 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 dismantle 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 for square, the first fixing groove 87 and the second fixing groove 89 are located at respectively two-phase
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, between lower casing 120 and stand frame 109, and it is additionally provided 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 between stand frame 109 is flowed out, and affects the performance of moving-iron type receiver 300.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is all
It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses
In other related technical fields, it is included in the same manner in scope of patent protection of the present utility model.
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
For U-shaped armature, the U-shaped armature includes fixed edge and vibrates side, and 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 contact with fixed edge, the another side of the cushion and
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 arranges multiple first blind holes
Or multiple zigzag first are raised.
5. moving-iron type receiver according to claim 3, it is characterised in that the coil bottom surface arranges 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 arranges 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, on two upper side walls the 3rd fixed swage and the 4th fixed swage are respectively provided with；
The both sides of the stand frame are extended with separately down the first extension and the second extension, and the outside of the first extension is arranged
First elastic deformation boss and the first fixed swage, the outside of the second extension arranges the second elastic deformation boss and second and fixes
Depression；
The lower casing includes base plate, and the lower casing also includes upwardly extending first lower wall in both sides by base plate and the second downside
Wall, arranges 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 is set towards inboard first buckling groove, one end of the first elastic deformation part is consolidated in first lower wall
Fix 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 is set towards inboard second buckling groove, one end of the second elastic deformation part is consolidated in second lower wall
Fix 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 arranges described
First fixing groove, the side wall of first fixing groove arranges 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 arranges second fixing groove, and the side wall of second fixing groove arranges 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 |
|---|---|---|---|
| CN201621307052.4U CN206164841U (en) | 2016-11-29 | 2016-11-29 | Moving iron receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621307052.4U CN206164841U (en) | 2016-11-29 | 2016-11-29 | Moving iron receiver |
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| Publication Number | Publication Date |
|---|---|
| CN206164841U true CN206164841U (en) | 2017-05-10 |
Family
ID=58661301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621307052.4U Active CN206164841U (en) | 2016-11-29 | 2016-11-29 | Moving iron receiver |
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| CN (1) | CN206164841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714053A (en) * | 2016-11-29 | 2017-05-24 | 深圳倍声声学技术有限公司 | Moving iron type receiver |
| CN107731504A (en) * | 2017-09-28 | 2018-02-23 | 深圳倍声声学技术有限公司 | The preparation method and magnet armature bands of a kind of magnet armature bands |
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2016
- 2016-11-29 CN CN201621307052.4U patent/CN206164841U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714053A (en) * | 2016-11-29 | 2017-05-24 | 深圳倍声声学技术有限公司 | Moving iron type receiver |
| CN107731504A (en) * | 2017-09-28 | 2018-02-23 | 深圳倍声声学技术有限公司 | The preparation method and magnet armature bands of a kind of magnet armature bands |
| 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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