CN207321548U - A kind of receiver with three-level gradual change type high frequency armature - Google Patents
A kind of receiver with three-level gradual change type high frequency armature Download PDFInfo
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- CN207321548U CN207321548U CN201720886655.2U CN201720886655U CN207321548U CN 207321548 U CN207321548 U CN 207321548U CN 201720886655 U CN201720886655 U CN 201720886655U CN 207321548 U CN207321548 U CN 207321548U
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- oscillating plate
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- armature
- plate
- receiver
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- 230000008859 change Effects 0.000 title claims abstract description 20
- 230000007704 transition Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 230000004907 flux Effects 0.000 abstract description 6
- 230000000116 mitigating effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- -1 aluminium nickel cobalt Chemical compound 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
The utility model provides a kind of receiver with three-level gradual change type high frequency armature, motor sub-assembly and diaphragm unit including housing and in housing, motor sub-assembly is connected with diaphragm unit by connecting rod, motor sub-assembly includes armature, armature is U-shaped, armature includes connecting plate, oscillating plate and U-shaped connector, one end of U-shaped connector is connected with connecting plate, the other end of U-shaped connector is connected with oscillating plate, oscillating plate includes first order oscillating plate, second level oscillating plate and third level oscillating plate, first order oscillating plate, the width ratio of second level oscillating plate and third level oscillating plate is 1:0.7:0.5.Thus the change of the magnetic flux in armature when receiver works is met, when mitigating the quality of armature to improve the sensitivity of receiver, avoid the problem that causing the distortion of armature flux saturation generation since the width of armature diminishes, so as to meet the electroacoustic property requirement of receiver.
Description
Technical field
The utility model belongs to receiver field, is more particularly to a kind of called with three-level gradual change type high frequency armature
Device.
Background technology
All balanced armature formula receivers on existing market, since its working method is that armature is subject in air-gap
The attraction of magnet, so that up-down vibration converts electrical energy into acoustic energy.This requires armature has enough width, and magnet phase
Mutually attract, produce enough sensitivity.But in high-frequency wideband receiver field, the design of armature needs to mitigate quality, so
The width of armature will be reduced, and cause the sensitivity of receiver to decline.
Utility model content
The purpose of this utility model, which is to provide, a kind of can both make that armature has lighter quality and not influence receiver sensitive
The receiver with three-level gradual change type high frequency armature of degree.
One side according to the present utility model, there is provided a kind of receiver with three-level gradual change type high frequency armature, bag
Housing and motor sub-assembly and diaphragm unit in the housing are included, the motor sub-assembly and diaphragm unit pass through connecting rod
Connection, it is characterised in that the motor sub-assembly includes armature, and the armature is U-shaped, and the armature includes connecting plate, oscillating plate
With U-shaped connector, one end of the U-shaped connector is connected with the connecting plate, and the other end of the U-shaped connector shakes with described
Movable plate connects, and the oscillating plate includes first order oscillating plate, second level oscillating plate and third level oscillating plate, the first order vibration
The width of plate is more than the width of the second level oscillating plate, and the width of the second level oscillating plate is more than the third level oscillating plate
Width, the both sides of the first order oscillating plate protrude from the both sides of the second level oscillating plate, the second level oscillating plate
Both sides protrude from the both sides of the third level oscillating plate.Thus the change of the magnetic flux in armature when receiver works is met, when
When mitigating the quality of armature to improve the sensitivity of receiver, avoid causing armature flux since the width of armature diminishes
The problem of distortion that saturation produces, so as to meet the electroacoustic property requirement of receiver.
In some embodiments, the first order oscillating plate, the second level oscillating plate and the third level oscillating plate
Width ratio be 1:0.7:0.5.It can subtract to greatest extent on the premise of sensitivity is ensured according to armature made of this ratio
The quality of light armature.
In some embodiments, the central axes of the first order oscillating plate, the second level oscillating plate central axes and
The central axes of the third level oscillating plate are located on the same line.Thus the distribution of weight of oscillating plate is made than more uniform, can
Relatively stable vibration up and down.
In some embodiments, one end that the third level oscillating plate is not connected with the second level oscillating plate, which is equipped with, to be connected
Connect block.Armature can be connected by contiguous block with diaphragm unit.
In some embodiments, the contiguous block, third level oscillating plate, second level oscillating plate, the first oscillating plate, U-shaped
Connector and connecting plate are structure as a whole.The armature of integrative-structure is easy to make and vibrating effect is preferable.
In some embodiments, the end that the first order oscillating plate is connected with the second level oscillating plate is equipped with first
Transition bevel edge, the second level oscillating plate and the end of third level vibration connection are equipped with the second transition bevel edge.On the one hand rise
Into protection receiver, the effect of miscellaneous part, the opposing party can reduce the resistance of oscillating plate up-down vibration.
Brief description of the drawings
Fig. 1 is that a kind of structure of receiver with three-level gradual change type high frequency armature of one embodiment of the utility model is shown
It is intended to；
Fig. 2 is a kind of armature of receiver with three-level gradual change type high frequency armature of one embodiment of the utility model
Structure diagram.
Embodiment
What Fig. 1 and Fig. 2 schematically showed a kind of embodiment of the utility model has three-level gradual change type high-frequency electrical
The receiver of pivot.As depicted in figs. 1 and 2, the receiver should with three-level gradual change type high frequency armature includes housing 1 and positioned at shell
Diaphragm unit 2 and motor sub-assembly 3 in body 1.Motor sub-assembly 3 and diaphragm unit 2 are connected by connecting rod 4.
Diaphragm unit 2 includes film frame 21, diaphragm 22 and flutter 23.Film frame 21 is equipped with endoporus.Diaphragm 22 and film frame
21 paste connection and cover the endoporus of film frame 21.Flutter 23 is pasted with diaphragm 22 to be connected.It is convex that the middle part of flutter 23 is equipped with first
Play 231.The stiffness of flutter 23 can be increased, improve the local frequency of receiver.One side of flutter 23 and the one of 21 endoporus of film frame
Side is overlapping, and gap is equipped between remaining side of flutter 23 and the endoporus of film frame 21.Carried out easy to flutter 23 along the overlapping side
Round-trip vibration.The part that diaphragm 22 is located between flutter 23 and the endoporus of film frame 21 is the second protrusion 221.For flutter 23
Vibration provides space, ensures that flutter 23 has certain amplitude.Flutter 23 is located at the both sides of diaphragm 22 with film frame 21.Make diaphragm
22 pairs of flutters 23 play the role of support.The outer edge of diaphragm unit is connected with the madial wall of box body 11.In particular film frame
21 outer edge is pasted with the madial wall of box body 11 to be connected.The outer edge of film frame 21 is connected with the madial wall of housing 1, diaphragm group
The cavity of housing 1 is divided into ante-chamber 51 and back cavity 52 by part 2.Sound mouth 511 is offered on the side wall of the housing of ante-chamber 51, by going out
Sound mouth 511 passes acoustic pressure.Motor sub-assembly 3 is located in back cavity 52.
In other embodiments, diaphragm unit 2 can also carry out assembling with the motor sub-assembly 3 of other different structures and electricity is made
Sonic transducer.In this embodiment, motor sub-assembly includes armature 31, coil 32, magnet frame 33 and in magnet frame 33
First magnet 34 and the second magnet 35.Armature 31 is U-shaped.Armature 31 includes connecting plate 311, oscillating plate and U-shaped connector 313.
One end of U-shaped connector 313 is connected with connecting plate 311, and the other end of U-shaped connector 313 is connected with oscillating plate 312.Oscillating plate
Including first order oscillating plate 312, second level oscillating plate 314 and third level oscillating plate 315.The width of first order oscillating plate 312 is big
In the width of second level oscillating plate 314, the width of second level oscillating plate 314 is more than the width of third level oscillating plate 315.Thus make
The distribution of weight of oscillating plate 312 is than more uniform, vibration up and down that can be relatively stable.Thus meet when receiver works
The change of magnetic flux in armature 31, when mitigating the quality of armature 31 to improve the sensitivity of receiver, avoids due to electricity
The width of pivot 31 diminish cause armature flux saturation produce distortion the problem of so that meet receiver electroacoustic property will
Ask.In order to make the distribution of weight of oscillating plate 312 than more uniform, vibration up and down that can be relatively stable.First order oscillating plate
312 both sides protrude from the both sides of second level oscillating plate 314, and the both sides of second level oscillating plate 314 protrude from third level oscillating plate
315 both sides.The end that first order oscillating plate 312 is connected with second level oscillating plate 324 is equipped with First Transition bevel edge 3121, and second
Level oscillating plate 314 is equipped with the second transition bevel edge 3141 with the end that third level vibration 315 is connected.On the one hand protection receiver is played
The effect of middle miscellaneous part, the opposing party can reduce the resistance of oscillating plate up-down vibration.The central axes of first order oscillating plate 312,
The central axes of second level oscillating plate 314 and the central axes of third level oscillating plate 315 are located on straight line.First order oscillating plate
312nd, the width ratio of second level oscillating plate 314 and third level oscillating plate 315 is 1:0.7:0.5.According to electric made of this ratio
Pivot 31 on the premise of sensitivity is ensured, can mitigate the quality of armature to greatest extent.Third level oscillating plate 315 not with the second level
One end that oscillating plate 314 connects is equipped with contiguous block 3124.Armature 31 can be connected by contiguous block 3124 with diaphragm unit, specifically
Ground, armature 31 are connected by contiguous block 3124 with flutter 23.31 integrative-structures of armature, i.e. contiguous block 3124, third level vibration
Plate 315, second level oscillating plate 314, first order oscillating plate 312, U-shaped connector 313 and connecting plate 311 are structure as a whole, one
The armature 31 of structure is easy to make and vibrating effect is preferable.Coil 32 has passage.Magnet frame 33 is closure framework.First magnet
34 and second magnet 35 be located in magnet frame 33.First magnet 34 is connected with the inner top of magnet frame 33, the second magnet 35 and magnetic
The interior bottom connection of iron frame 33.First magnet 34 and the second magnet 35 are oppositely arranged and do not contact.The outer bottom of magnet frame 33 with
The interior bottom connection of housing 1.The connecting plate 311 of armature 31 is connected with the outer wall of magnet frame 33, and the oscillating plate of armature 31 passes through line
Circle 32 is between the first magnet 34 and the second magnet 35.The material of armature 31 and magnet frame 33 is high magnetic conductivity alloy, the
The material of one magnet 34 and the second magnet 35 is aluminium nickel cobalt material, armature 31, magnet frame 33, the first magnet 34 and the second magnet
35 form work magnetic circuit.Two lead-out wires 321 of coil 32 extend to the outside of housing 1 through housing 1.
One end of connecting rod 4 is connected with contiguous block 311, and the other end of connecting rod 4 is connected with flutter 23.Electric signal passes through two
321 input coil 32 of root lead-out wire, armature 31 pump under the action of input electrical signal, and flutter 23 is in connecting rod
Under 4 drive, the reciprocating motion of same frequency is done with armature 31 so that the volume change of density interphase is presented in the gas of ante-chamber 51,
Acoustic pressure is produced, thus, receiver completes the conversion from electric signal to acoustic energy.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art, exist
On the premise of not departing from the utility model creation design, various modifications and improvements can be made, belongs to the utility model
Protection domain.
Claims (6)
1. a kind of receiver with three-level gradual change type high frequency armature, including housing and the motor sub-assembly in the housing
And diaphragm unit, the motor sub-assembly are connected with diaphragm unit by connecting rod, it is characterised in that the motor sub-assembly includes electricity
Pivot, the armature are U-shaped, and the armature includes connecting plate, oscillating plate and U-shaped connector, one end of the U-shaped connector and institute
Connecting plate connection is stated, the other end of the U-shaped connector is connected with the oscillating plate, and the oscillating plate is vibrated including the first order
Plate, second level oscillating plate and third level oscillating plate, the width of the first order oscillating plate are more than the width of the second level oscillating plate
Degree, the width of the second level oscillating plate are more than the width of the third level oscillating plate, and the both sides of the first order oscillating plate are dashed forward
For the both sides of the second level oscillating plate, the both sides of the second level oscillating plate protrude from the two of the third level oscillating plate
Side.
2. the receiver according to claim 1 with three-level gradual change type high frequency armature, it is characterised in that the first order
The width ratio of oscillating plate, the second level oscillating plate and the third level oscillating plate is 1:0.7:0.5.
3. the receiver according to claim 1 with three-level gradual change type high frequency armature, it is characterised in that the first order
It is straight that the central axes of the central axes of oscillating plate, the central axes of the second level oscillating plate and the third level oscillating plate are located at same
On line.
4. the receiver according to claim 1 with three-level gradual change type high frequency armature, it is characterised in that the third level
Oscillating plate is not connected one end with the second level oscillating plate and is equipped with contiguous block.
5. the receiver according to claim 1 with three-level gradual change type high frequency armature, it is characterised in that the connection
Block, third level oscillating plate, second level oscillating plate, the first oscillating plate, U-shaped connector and connecting plate are structure as a whole.
6. the receiver according to claim 1 with three-level gradual change type high frequency armature, it is characterised in that the first order
The end that oscillating plate is connected with the second level oscillating plate is equipped with First Transition bevel edge, the second level oscillating plate and the described 3rd
The end of level vibration connection is equipped with the second transition bevel edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886655.2U CN207321548U (en) | 2017-07-20 | 2017-07-20 | A kind of receiver with three-level gradual change type high frequency armature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886655.2U CN207321548U (en) | 2017-07-20 | 2017-07-20 | A kind of receiver with three-level gradual change type high frequency armature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207321548U true CN207321548U (en) | 2018-05-04 |
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ID=62434871
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720886655.2U Active CN207321548U (en) | 2017-07-20 | 2017-07-20 | A kind of receiver with three-level gradual change type high frequency armature |
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| CN (1) | CN207321548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924707A (en) * | 2018-08-24 | 2018-11-30 | 苏州三色峰电子有限公司 | A kind of diaphragm unit and the receiver based on the diaphragm unit and preparation method thereof |
-
2017
- 2017-07-20 CN CN201720886655.2U patent/CN207321548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924707A (en) * | 2018-08-24 | 2018-11-30 | 苏州三色峰电子有限公司 | A kind of diaphragm unit and the receiver based on the diaphragm unit and preparation method thereof |
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