CN110312190A - Magnetic spring acoustical generator - Google Patents
Magnetic spring acoustical generator Download PDFInfo
- Publication number
- CN110312190A CN110312190A CN201910634229.3A CN201910634229A CN110312190A CN 110312190 A CN110312190 A CN 110312190A CN 201910634229 A CN201910634229 A CN 201910634229A CN 110312190 A CN110312190 A CN 110312190A
- Authority
- CN
- China
- Prior art keywords
- magnetite
- driving coil
- shell
- acoustical generator
- mass block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000004308 accommodation Effects 0.000 claims description 3
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The present invention relates to a kind of magnetic spring acoustical generator, including stator, rotor and single shaft, the stator includes driving coil and positioning magnetite, the relatively described driving coil fixed setting of the positioning magnetite;The rotor includes mass block and mobile magnetite, and the mobile magnetite is fixedly installed relative to the mass block, and the mass block is slidably located on the single shaft;The technical issues of when the driving coil is powered, the positioning magnetite generates magnetic field to drive the rotor to make back and forth movement along the single shaft, and the earpiece for solving existing communication apparatus needs aperture to be on the screen just able to achieve sound transmitting.
Description
Technical field
The present invention relates to a kind of acoustical generator, in particular to a kind of magnetic spring acoustical generator.
Background technique
The earpiece of present communication apparatus is conventional horn, and therefore, it is necessary to the aperture in equipment, sound is by opening
Hole passes out.But with the appearance of for example comprehensive screen mobile phone of comprehensive screen equipment, it is no longer appropriate for aperture on screen, if comprehensive
Aperture can exist as following drawbacks on screen: first is that beauty is influenced, second is that aperture accommodating causes screen broken on the screen, third is that influencing
Using feel, as aperture screen play games it is very inconvenient.Therefore, urgently to be resolved at present is how to design a be not necessarily to comprehensive
The acoustical generator of aperture on screen.
Summary of the invention
The purpose of the present invention is to provide a kind of magnetic spring acoustical generators, are needed with solving the earpiece of existing communication apparatus
Aperture is just able to achieve the technical issues of sound transmitting on screen.
To solve the above-mentioned problems, the present invention provides a kind of magnetic spring acoustical generator, including stator, rotor and single shaft, institutes
Stating stator includes driving coil and positioning magnetite, the relatively described driving coil fixed setting of the positioning magnetite;The rotor packet
Mass block and mobile magnetite are included, the mobile magnetite is fixedly installed relative to the mass block, and the mass block is slidably located in
On the single shaft;
When the driving coil is powered, generation magnetic field is to drive the rotor to make back and forth movement along the single shaft.
Preferably, the mobile magnetite is fixed on the mass block, the mass block shuttles in the driving coil.
Preferably, including the shell with accommodation space:
The axis is fixed in the shell;
The shell includes the first cover board, shell and the second cover board, and first cover board and the second cover plate lid are located at described
The two sides of shell;
The stator further includes FPC, and the FPC is fixed on first cover board, the driving coil and positioning magnetite
It is each attached in shell, the driving coil is electrically connected with the FPC;
It is described uniaxial across the driving coil.
Preferably, the positioning magnetite includes several first small magnetites, several first small magnetites are around described
Driving coil is arranged in evenly and at intervals in the shell.
Preferably, the outer wall of the driving coil is fixedly connected with the inner wall of the shell, several first small magnetites
Positioned at the periphery of the driving coil, and it is fixed on the interior angle of the shell.
Preferably, the mobile magnetite includes the several second small magnetites, several second small magnetites are arranged at intervals on institute
It states on mass block.
Preferably, the position of the first small magnetite and the second small magnetite corresponds.
Preferably, the first small magnetite is located at the outside of the driving coil, the second small magnetite is located at the drive
The inside of moving winding.
Preferably, one end of the single shaft is fixed on first cover board.
Preferably, the middle part of the mass block is equipped with bearing mounting hole, the mass block passes through in the bearing mounting hole
One bearing of interior setting is to be mounted on the single shaft.
Compared with prior art, there are following technical effects by the present invention:
The present invention provides a kind of magnetic spring acoustical generator, without the aperture on the screen of comprehensive screen equipment, directly by this sounding
Device, which is mounted in equipment, to drive screen to make a sound, and achieve the effect that earpiece.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it is therefore apparent that drawings in the following description are only some embodiments of the invention, for ability
For field technique personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.It is attached
In figure:
Fig. 1 is the explosive view of magnetic spring acoustical generator of the present invention;
Fig. 2 is the top cross-sectional view of magnetic spring acoustical generator of the present invention;
Fig. 3 is the left view sectional view of magnetic spring acoustical generator of the present invention;
Fig. 4 is the main view sectional view of magnetic spring acoustical generator of the present invention.
Specific embodiment
Magnetic spring acoustical generator provided by the invention is described in detail below with reference to Fig. 1 to Fig. 4, the present embodiment exists
Implemented down based on the technical solution of the present invention, the detailed implementation method and specific operation process are given, but this hair
Bright protection scope is not limited to the following embodiments, and those skilled in the art are in the range for not changing spirit of that invention and content
It is interior, can it be modified and be polished.
Please refer to figs. 1 to 4, a kind of magnetic spring acoustical generator, including stator 2, rotor 3 and single shaft 4, the stator 2 include
Driving coil 21 and positioning magnetite, the relatively described driving coil 21 of the positioning magnetite are fixedly installed;The rotor 3 includes quality
Block 31 and mobile magnetite, the mobile magnetite are fixedly installed relative to the mass block 31, and the mass block 31 is slidably located in
On described uniaxial 4;
When the driving coil 21 leads to low-voltage ac voltage, the magnetic field of alternation is generated to drive the rotor 3 along described
Single shaft 4 makees back and forth movement.
In the present embodiment, the mobile magnetite is fixed on the mass block 31, and the mass block 31 shuttles in described
Driving coil 21.
In the present embodiment, the magnetic spring acoustical generator includes the shell 1 with accommodation space:
The axis is fixed in the shell 1;
The shell 1 includes the first cover board 11, shell 13 and the second cover board 12, first cover board 11 and the second cover board 12
Lid is located at the two sides of the shell 13, and in the present embodiment, shell 13 is that two sides do not have peripheral frame with the end;
The stator 2 further includes FPC23, and the FPC23 is pasted on first cover board 11,21 He of driving coil
Positioning magnetite is pasted onto shell 13, and the driving coil 21 is electrically connected with the FPC23;
Described uniaxial 4 pass through the driving coil 21.
Preferably, the positioning magnetite includes several first small magnetites 22, several first small magnetites 22 around
The driving coil 21 is arranged in evenly and at intervals in the shell 13.
The outer wall of the driving coil 21 is fixedly connected with the inner wall of the shell 13, several first small magnetites 22
In the periphery of the driving coil 21, and it is fixed on the interior angle of the shell 13.
The mobile magnetite includes the several second small magnetites 32, and several second small magnetites 32 are arranged at intervals on the matter
On gauge block 31.In the present embodiment, several grooves are equipped on mass block 31 evenly and at intervals, several small magnetites are separately fixed at one
In groove.
The position of the first small magnetite 22 and the second small magnetite 32 corresponds.
The first small magnetite 22 is located at the outside of the driving coil 21, and the second small magnetite 32 is located at the driving
The inside of coil 21.
Described uniaxial 4 one end is fixed on first cover board 11.
In the present embodiment, the first small magnetite 22 and the second small magnetite 32 had both generated the effect of driving force, also there is holding matter
The effect that gauge block 31 balances, i.e. holding mass block 31 will not tilt.Mass block 31 is before activation close to the first cover board 11, when given
Input frequency variation when, acoustical generator movement can it is different, the sound of sending would also vary from, and thus constitute
Magnetic spring acoustical generator.
The present invention to the number of the first small magnetite 22 and the second small magnetite 32 with no restrictions, can according to the shape of shell 13 into
Row selection.By taking shell 13 is square as an example, i.e., the inner wall of shell 13 also forms a square, this square there are four angle, because
This, four square angles are adhesive with a first small magnetite 22, the shape and the interior angle phase of square of the first small magnetite 22
Fitting.Driving coil 21 can be hexagon or octagon, four inner walls respectively with wherein four side adhesions of driving coil 21.
Four grooves of interval setting, four the second small magnetites 32 are fitted in respectively in a groove on mass block 31.
In the present embodiment, the middle part of the mass block 31 is equipped with bearing mounting hole, and the mass block 31 is by described
A bearing 33 is fixedly mounted in bearing mounting hole, then empty set (clearance fit) is on described uniaxial 4 again by bearing 33, to realize
Axial movement of the mass block 31 along single shaft 4.
FPC23: being attached on the first cover board 11 with backing plate by assembling steps of the invention first, then welds single shaft 4
It connects on the first cover board 11, secondly the first small magnetite 22 is sticked on the interior angle of shell 13 respectively with glue, driving coil 21 is glued
It is fastened on 13 inner wall of shell, then by the first cover board 11 with shell 13, and the lead of driving coil 21 is welded on FPC23,
The first cover board 11 is welded with shell 13 again, stator 2 is completed;Second small 32 gluing of magnetite is sticked to respectively on mass block 31, so
Afterwards by 33 riveted of bearing on mass block 31, rotor 3 is completed;By 33 empty set of bearing on single shaft 4, then the second cover board 12 welded
It is completed in the other side of shell 13.
Disclosed above is only the specific embodiment of the application, and however, this application is not limited to this, any this field
Technical staff can think variation, should all fall in the protection domain of the application.
Claims (10)
1. a kind of magnetic spring acoustical generator, which is characterized in that including stator, rotor and single shaft, the stator include driving coil and
Position magnetite, the relatively described driving coil fixed setting of the positioning magnetite;The rotor includes mass block and mobile magnetite, institute
It states mobile magnetite to be fixedly installed relative to the mass block, the mass block is slidably located on the single shaft;
When the driving coil is powered, generation magnetic field is to drive the rotor to make back and forth movement along the single shaft.
2. magnetic spring acoustical generator as described in claim 1, which is characterized in that the mobile magnetite is fixed on the mass block
On, the mass block shuttles in the driving coil.
3. magnetic spring acoustical generator as claimed in claim 2, which is characterized in that including the shell with accommodation space:
The axis is fixed in the shell;
The shell includes the first cover board, shell and the second cover board, and first cover board and the second cover plate lid are located at the shell
Two sides;
The stator further includes FPC, and the FPC is fixed on first cover board, and the driving coil and positioning magnetite are solid
It is scheduled in the shell, the driving coil is electrically connected with the FPC;
It is described uniaxial across the driving coil.
4. magnetic spring acoustical generator as claimed in claim 3, which is characterized in that the positioning magnetite includes several first small magnetic
Stone, several first small magnetites are arranged in the shell evenly and at intervals around the driving coil.
5. magnetic spring acoustical generator as claimed in claim 4, which is characterized in that the outer wall of the driving coil and the shell
Inner wall is fixedly connected, and several first small magnetites are located at the periphery of the driving coil, and are fixed on the interior angle of the shell.
6. magnetic spring acoustical generator as claimed in claim 4, which is characterized in that the mobile magnetite includes the several second small magnetic
Stone, several second small magnetites are arranged at intervals on the mass block.
7. magnetic spring acoustical generator as claimed in claim 6, which is characterized in that the position of the first small magnetite and the second small magnetite
Set one-to-one correspondence.
8. magnetic spring acoustical generator as claimed in claim 6, which is characterized in that the first small magnetite is located at the driving coil
Outside, the second small magnetite is located at the inside of the driving coil.
9. magnetic spring acoustical generator as claimed in claim 3, which is characterized in that one end of the single shaft is fixed on first lid
On plate.
10. magnetic spring acoustical generator as described in claim 1, which is characterized in that installed equipped with bearing at the middle part of the mass block
Hole, the mass block are mounted on the single shaft by the way that a bearing is arranged in the bearing mounting hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910634229.3A CN110312190A (en) | 2019-07-12 | 2019-07-12 | Magnetic spring acoustical generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910634229.3A CN110312190A (en) | 2019-07-12 | 2019-07-12 | Magnetic spring acoustical generator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110312190A true CN110312190A (en) | 2019-10-08 |
Family
ID=68081144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910634229.3A Pending CN110312190A (en) | 2019-07-12 | 2019-07-12 | Magnetic spring acoustical generator |
Country Status (1)
Country | Link |
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CN (1) | CN110312190A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1344124A (en) * | 2000-09-12 | 2002-04-10 | 株式会社西铁城电子 | Multifunctional acoustics device |
CN207010517U (en) * | 2017-08-16 | 2018-02-13 | 哈朴铁石(上海)电子有限公司 | A kind of flat line motor |
CN210120661U (en) * | 2019-07-12 | 2020-02-28 | 哈朴铁石(上海)电子有限公司 | Magnetic spring sounder |
-
2019
- 2019-07-12 CN CN201910634229.3A patent/CN110312190A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1344124A (en) * | 2000-09-12 | 2002-04-10 | 株式会社西铁城电子 | Multifunctional acoustics device |
CN207010517U (en) * | 2017-08-16 | 2018-02-13 | 哈朴铁石(上海)电子有限公司 | A kind of flat line motor |
CN210120661U (en) * | 2019-07-12 | 2020-02-28 | 哈朴铁石(上海)电子有限公司 | Magnetic spring sounder |
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