CN110312190A - Magnetic spring acoustical generator - Google Patents

Magnetic spring acoustical generator Download PDF

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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
Application number
CN201910634229.3A
Other languages
Chinese (zh)
Inventor
江文明
冉龙腾
魏义祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harper Stone (shanghai) Electronics Co Ltd
Original Assignee
Harper Stone (shanghai) Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harper Stone (shanghai) Electronics Co Ltd filed Critical Harper Stone (shanghai) Electronics Co Ltd
Priority to CN201910634229.3A priority Critical patent/CN110312190A/en
Publication of CN110312190A publication Critical patent/CN110312190A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K33/00Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16Motors 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects 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

Magnetic spring acoustical generator
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.
CN201910634229.3A 2019-07-12 2019-07-12 Magnetic spring acoustical generator Pending CN110312190A (en)

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
CN (1) CN110312190A (en)

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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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