CN107995569A - A kind of more magnetic loudspeaker driving structures and more magnetic loudspeakers - Google Patents
A kind of more magnetic loudspeaker driving structures and more magnetic loudspeakers Download PDFInfo
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- CN107995569A CN107995569A CN201711401704.XA CN201711401704A CN107995569A CN 107995569 A CN107995569 A CN 107995569A CN 201711401704 A CN201711401704 A CN 201711401704A CN 107995569 A CN107995569 A CN 107995569A
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- 239000000203 mixture Substances 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000006698 induction Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
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- 230000004907 flux Effects 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
-
- 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
- H04R9/025—Magnetic circuit
-
- 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
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to a kind of more magnetic loudspeaker driving structures and more magnetic loudspeakers, including：Multiple magnets, voice coil loudspeaker voice coil, multiple magnet center symmetric arrays, and possess gap between adjacent magnet, voice coil loudspeaker voice coil is installed between the gap between the magnet.A kind of more magnetic loudspeaker driving structures and loudspeaker of bright offer are provided, pass through more magnetic structure designs, ensure loudspeaker volume it is small on the basis of, voice coil loudspeaker voice coil is enabled to make full use of more magnetic field superpositions to act on, improve the induction sensitivity to tone currents signal, reach wider array of audio and loudness of a sound response range, realize the audio reduction of high-fidelity.
Description
Technical field
The present invention relates to speaker technology field, more particularly to a kind of more magnetic loudspeaker driving structures and more magnetic-types to raise one's voice
Device.
Background technology
Loudspeaker has numerous species, but its basic operation principle is similar, is that one kind converts electrical signals to sound
The device that sound signal is reset.Current the most widely used loudspeaker is dynamic speaker, it is by sound film, voice coil loudspeaker voice coil, forever
The element composition such as long magnet, stent.
The operation principle of dynamic speaker is that voice coil loudspeaker voice coil is in electric current after the voice coil loudspeaker voice coil of loudspeaker is passed through tone currents signal
Effect is lower to produce alternating magnetic field, and permanent magnet also produces all constant stationary magnetic field of a size and Orientation at the same time.Due to voice coil loudspeaker voice coil
The size and Orientation in caused magnetic field is constantly changing with the change of tone currents signal, two such magnetic field it is mutual
It is dynamic that effect makes voice coil loudspeaker voice coil not stop transport, because what voice coil loudspeaker voice coil was connected to sound film, so as to drive sound film to produce vibration, the vibration of sound film causes sky
Gas vibrates and sends corresponding sound.When the magnetic field that electric current is bigger or permanent magnet provides of input voice coil loudspeaker voice coil is bigger, then voice coil loudspeaker voice coil
The magnetic force being subject to is bigger, and the sensitivity and amplitude that the vibration of sound film can reach are bigger, and sound-reducing degree is higher,
Audiorange is also wider.But often size of current is to determine the loudness of music, and when in bass range, current strength is corresponding
Also to reduce, how in the case of current strength very little, still maintaining the sensitivity problem of voice coil loudspeaker voice coil sensing just becomes urgent need solution
Certainly the problem of.
Magnetic field by strengthening permanent magnet, which can be realized, improves voice coil loudspeaker voice coil response sensitivity, sound film sensing audio and loudness of a sound model
Enclosing more extensively, can realize the audio reduction of high-fidelity, but want to strengthen the intensity in magnetic field not exclusively by stacking permanent magnet just
It can realize, it is also desirable to which designing magnet, non-interfering structure could realize permanent magnet magnetic field again with voice coil loudspeaker voice coil mutual cooperation
Efficiently use, it is also contemplated that the volume of loudspeaker, for current dynamic speaker all using single magnetic circuit or double magnetic circuit, its is permanent
The discharge structure of magnet and voice coil loudspeaker voice coil can not meet the needs of user is to hi-fi music, therefore it is urgent to provide a kind of highfield
The Microspeaker driving structure of intensity meets user demand.
The content of the invention
The shortcomings that it is an object of the invention to overcome the prior art, there is provided more magnetic loudspeaker driving structures and more magnetic-types are raised
Sound device, by more magnetic structure designs, ensure loudspeaker volume it is small on the basis of so that voice coil loudspeaker voice coil can make full use of more magnetic fields
Superposition, improves the induction sensitivity to tone currents signal, reaches wider array of audio and loudness of a sound response range, realizes high protect
Genuine audio reduction.
In order to solve the above technical problems, present invention employs following technical measures：
In a first aspect, a kind of more magnetic loudspeaker driving structures, including：Multiple magnets, voice coil loudspeaker voice coil；Wherein, multiple magnetic
Body central symmetry arranges, and possesses gap between the adjacent magnet, and the voice coil loudspeaker voice coil is installed on the sky between the magnet
Between gap.
As further improved, the magnet includes：Pole piece and magnet steel, the pole piece are attached to one end of the magnet steel,
The voice coil loudspeaker voice coil is installed between the gap between the pole piece.
As further improved, the shape of the magnet steel is square, several described magnet steel symmetric arrays are into pros
Shape.
As further improved, the quantity of the magnet steel is 4, and the shape of the gap composition between the magnet steel is cross
Type.
As further improved, the shape of the voice coil loudspeaker voice coil is cross, and the voice coil loudspeaker voice coil includes：Part I, second
Point, Part III and Part IV, the Part I and the Part III are symmetrical, the Part II and 4th described
Divide symmetrically, the head end of the Part I is connected with one pole of power supply, and the head end of the Part III is connected with another pole of power supply.
As further improved, the Part I, the Part II, the Part III and the Part IV
The compact fitting in both sides.
As further improved, the polarity of two pole pieces corresponding with the Part II is N, with the described 4th
The polarity of corresponding two pole pieces in part is S.
As further improved, the voice coil loudspeaker voice coil includes：First voice coil loudspeaker voice coil and the second voice coil loudspeaker voice coil, first voice coil loudspeaker voice coil and described
Second voice coil loudspeaker voice coil is square, and first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil are arranged in cross；
First voice coil loudspeaker voice coil includes：Part V and Part VI, the Part V head end are connected with positive pole, institute
State Part VI head end and be connected with one pole of power supply, second voice coil loudspeaker voice coil includes：Part VII and Part VIII, the Part VII
Head end is connected with one pole of power supply, and the Part VIII head end is connected with power cathode；The Part V, the Part VI,
The compact fitting in the both sides of the Part VII and the Part VIII.
As further improved, the polarity of the pole piece corresponding with the Part V and the Part VI is
N, the polarity of the pole piece corresponding with the Part V and the Part VIII is S, with the Part VI and described
The polarity of the corresponding pole piece in seven parts is the polarity of S, the Part VII and the corresponding pole piece of the Part VIII
For N.
Second aspect, the present invention also provides a kind of more magnetic loudspeakers using more magnetic loudspeaker driving structures, including：
More magnetic loudspeaker driving structures, and magnetic bowl, sound film and upper cover, described magnet steel one end is fixed on the magnetic bottom of bowl end, described
The magnet steel other end posts the pole piece, and the voice coil loudspeaker voice coil is connected with the sound film, and the sound film is covered in the magnetic bowl top, described
Upper cover is fastened on the top of the magnetic bowl, and the upper cover is middle hollow out so that the sound film exposes.
Compared with prior art, the present invention has the following advantages：
1st, the present invention, will be current by the driving structure being installed on the voice coil loudspeaker voice coil in the gap between multiple magnets
Become the magnet to more magnetic action the magnet by the single or double magnetic fields of single or double a permanent magnet to magnetic bowls,
Under the premise of volume is small, there is provided stronger magnetic field, compared with prior art, under micro volume, can reach wider array of sound
Frequency and loudness of a sound response range, realize the audio reduction of high-fidelity.
Brief description of the drawings
Attached drawing 1 is the structure chart of the first voice coil loudspeaker voice coil provided in an embodiment of the present invention；
Attached drawing 2 is the overlooking structure figure of the first more magnetic loudspeaker driving structure provided in an embodiment of the present invention；
Attached drawing 3 is the side block diagram of the first more magnetic loudspeaker driving structure provided in an embodiment of the present invention
Attached drawing 4 is the force analysis figure of the first more magnetic loudspeaker driving structure provided in an embodiment of the present invention；
Attached drawing 5 is the structure chart of second of voice coil loudspeaker voice coil provided in an embodiment of the present invention；
Attached drawing 6 is the overlooking structure figure of the driving structure of magnetic loudspeaker more than second provided in an embodiment of the present invention；
Attached drawing 7 is the side block diagram of the driving structure of magnetic loudspeaker more than second provided in an embodiment of the present invention；
Attached drawing 8 is the force analysis figure of the driving structure of magnetic loudspeaker more than second provided in an embodiment of the present invention.
Icon：10- magnets；Gap -100；101- pole pieces；102- magnet steel；11- voice coil loudspeaker voice coils；111- Part I；112- second
Part 113- Part III；114- Part IV；The first voice coil loudspeaker voice coils of 12-；121- Part V；122- Part VI；The second sounds of 13-
Circle；131- Part VII；132- Part VIII.
Embodiment
To make the purpose, technical scheme and advantage of this patent clearer, below in conjunction with attached in the embodiment of the present invention
Figure, the technical solution in the embodiment of the present invention is clearly and completely described, below in conjunction with the accompanying drawings with embodiment pair
The present invention is described in further detail.
First embodiment：
Please with reference to attached drawing 1, attached drawing 2 and attached drawing 3, the present invention provides a kind of more magnetic loudspeaker driving structures, including：
Multiple magnets 10, voice coil loudspeaker voice coil 11, multiple 10 central symmetry of magnet arrangements, and possess gap 100, voice coil loudspeaker voice coil 11 between adjacent magnet 10
Between gap 100 between magnet 10.Magnet is made of pole piece 101 and magnet steel 102, and pole piece 101 is attached to the one of magnet steel 102
End, pole piece 101 are magnetized by magnet steel 102, and then magnetic flux gap is formed between the gap between pole piece 101.Voice coil loudspeaker voice coil 11 is installed on pole piece 101
Between gap between, ensure that voice coil loudspeaker voice coil 11 can obtain magnetic flux between some pole pieces 101.Specifically, the shape of magnet steel 102 is square
, several 102 symmetric arrays of magnet steel are into square.In this embodiment, it is preferred that the quantity of magnet steel 102 is 4, magnet steel 102
Between the shape that forms of gap 100 to be cross.
Correspondingly, the shape of 100 voice coil loudspeaker voice coil 11 is cross between gap, as its name suggests, voice coil loudspeaker voice coil 11 is a circle,
The shape of this circle is cross.It should be appreciated that cross voice coil loudspeaker voice coil 11 four direction in each direction actually
It is to include two sides, so could forms a circle.In the present embodiment, it is corresponding on the four direction of cross voice coil loudspeaker voice coil 11
：Part I 111, Part II 112, Part III 113 and Part IV 114.Wherein, Part I 111, Part II
112nd, the both sides of Part III 113 and Part IV 114 are compact fittings.
Attached drawing 4 is refer to, the polarity with 112 corresponding two pole pieces 101 of Part II is N, corresponding with Part IV 114
The polarity of two pole pieces 101 be S.Part I 111 and Part III 113 are symmetrical, Part II 112 and Part IV 114
Symmetrically.
It should be appreciated that according to the difference of current direction in the polarity of pole piece 101 and voice coil loudspeaker voice coil 11, the stress of voice coil loudspeaker voice coil 11
Situation meeting respective change, the present invention provides several 101 polarity arrangement modes of pole piece, on the basis of 101 polarity arrangement mode of pole piece
On controls to 11 Impact direction of voice coil loudspeaker voice coil can be realized according to the difference of current direction, refer to following force analysis into traveling
One step understands.
A kind of analysis of stressing conditions provided in this embodiment：
The polarity of one pole of power supply of the head end connection of Part I 111 be cathode, the electricity that the head end of Part III 113 connects
The polarity of another pole in source is anode, then an electric current can be produced from Part I 111 to Part III 113, with reference to the sound in figure 4
The direction of arrow in circle 11 represents the conducting direction of electric current, the arrow expression magnetic field side through 11 various pieces of voice coil loudspeaker voice coil in Fig. 4
To.
When energized, the electric current in voice coil loudspeaker voice coil 11 flows to the 3rd by the head end of two parallel branches from Part I 111
Divide 113 head end.The magnetic from N poles to S extreme directions is correspondingly formed between the pole piece 101 that the pole piece 101 and polarity that polarity is N are S
；The magnetic field that direction is extremely outwards pointed out from N, the pole piece 101 that two polarity are S are respectively formed between the pole piece 101 that two polarity are N
Between be respectively formed from export-oriented S extreme directions refer into magnetic field.With reference to the current direction and magnetic direction in Fig. 4, according to Lorentz force
The physics law of walking direction-" left hand rule ", it can be determined that Part I 111, Part II 112, Part III 113,
The Impact direction of four parts 114 is from the direction that plane is outwards pointed out, realizes four superposition magnetic fields to voice coil loudspeaker voice coil 11 " upward "
Driving effect.
The analysis of another kind stressing conditions provided in this embodiment：
The polarity of one pole of power supply of the head end connection of Part I 111 be anode, the electricity that the head end of Part III 113 connects
The polarity of another pole in source is cathode, then an electric current can be produced from Part III 113 to Part III 111, with reference to the electricity in figure 4
The opposite direction in direction is flowed, the arrow expression magnetic direction through 11 various pieces of voice coil loudspeaker voice coil in Fig. 4.
When energized, the electric current in voice coil loudspeaker voice coil 11 flows to first by the head end of two parallel branches from Part III 113
Divide 111 head end.The magnetic from N poles to S extreme directions is correspondingly formed between the pole piece 101 that the pole piece 101 and polarity that polarity is N are S
；The magnetic field that direction is extremely outwards pointed out from N, the pole piece 101 that two polarity are S are respectively formed between the pole piece 101 that two polarity are N
Between be respectively formed from export-oriented S extreme directions refer into magnetic field.According to the opposite direction and magnetic direction with reference to the current direction in figure 4,
According to the physics law of Lorentz force walking direction-" left hand rule ", it can be determined that Part I 111, Part II 112,
Three parts 113, the Impact direction of Part IV 114 be inwardly refer to from plane into direction, realize four superposition magnetic fields pair
The driving effect of voice coil loudspeaker voice coil 11 " downward ".
Both the above stressing conditions are analyzed, and have been embodied the control method to 11 direction of vibration of voice coil loudspeaker voice coil, that is, have been controlled electric current
Direction can realize the control to 11 direction of vibration of voice coil loudspeaker voice coil, while can also be realized according to the size of electric current and vibrate width to voice coil loudspeaker voice coil 11
The control of degree, therefore voice coil loudspeaker voice coil 11 can realize vibration according to tone currents signal, voice coil loudspeaker voice coil 11 drives sound film to vibrate and then drives empty
Gas vibrates, so as to restore voice signal.
To sum up, coil 11 obtains the magnetic field times over conventional loudspeakers driving structure in pole piece 101 of the same area
Intensity.Therefore, in the case where electric current is identical, the intensity for the field drives power that voice coil loudspeaker voice coil 11 obtains is high, and in current strength
In the case that weaker, power frequency is relatively low, still ensures that and obtain the driving of response current signal, reach wider array of audio and loudness of a sound is rung
Scope is answered, realizes the audio reduction of high-fidelity.
Second embodiment：
Please with reference to attached drawing 5, attached drawing 6 and attached drawing 7, present invention also offers a kind of more magnetic loudspeaker driving structures,
The shape of magnet steel 102 is square, several 102 symmetric arrays of magnet steel are into square, and the quantity of magnet steel 102 is 4, magnet steel
The shape that gap 100 between 102 forms is cross, and voice coil loudspeaker voice coil includes：First voice coil loudspeaker voice coil 12 and the second voice coil loudspeaker voice coil 13, the first voice coil loudspeaker voice coil 12
It is square with the second voice coil loudspeaker voice coil 13, the first voice coil loudspeaker voice coil 12 and the second voice coil loudspeaker voice coil 13 are arranged in cross；
First voice coil loudspeaker voice coil 12 includes：Part V 121 and Part VI 122；Second voice coil loudspeaker voice coil 13 includes：131 He of Part VII
Part VIII 132.Part V 121, Part VI 122, the both sides of Part VII 131 and Part VIII 132 are also compact patch
Close.Polarity with the 5th 121 and the 6th 122 corresponding pole pieces 101 is N, with Part V 121 and Part VIII 132
The polarity of corresponding pole piece 101 is S, and the polarity of pole piece 101 corresponding with Part VI 122 and Part VII 132 is S, the 7th
The polarity of part 131 and the corresponding pole piece 101 of Part VIII 132 is N.
Attached drawing 8 is refer to, the present embodiment provides a kind of analysis of stressing conditions：
When the polarity of one pole of power supply of 121 head end of Part V connection be cathode, the power supply that 122 head end of Part VI connects
The polarity of one pole is anode, then an electric current is produced from Part V 121 to Part VI 122, with reference to the first voice coil loudspeaker voice coil 12 in figure 8
In the direction of arrow represent the conducting direction of electric current, the arrow in Fig. 8 through 12 various pieces of the first voice coil loudspeaker voice coil represents magnetic direction.
When energized, the electric current in the first voice coil loudspeaker voice coil 12 flows to by the head end of two parallel branches from Part V 121
The head end of six parts 122.It is correspondingly formed between the pole piece 101 that the pole piece 101 and polarity that polarity is N are S from N poles to S extreme directions
Magnetic field；With reference to the current direction and magnetic direction in Fig. 8, according to the physics law of Lorentz force walking direction-" left hand is fixed
Then ", it can be determined that Part V 121, the Impact direction of Part VI 122 are from the direction that plane is outwards pointed out, magnetic field pair
The driving effect of first voice coil loudspeaker voice coil 12 " upward ".
When the polarity of one pole of power supply of 131 head end of Part VII connection be cathode, the power supply that 132 head end of Part VIII connects
The polarity of one pole is anode, then an electric current is produced from Part VII 131 to Part VIII 132, with reference to the second voice coil loudspeaker voice coil 13 in figure 8
In the direction of arrow represent the conducting direction of electric current, the arrow in Fig. 8 through 13 various pieces of the second voice coil loudspeaker voice coil represents magnetic direction.
When energized, the electric current in the second voice coil loudspeaker voice coil 13 flows to by the head end of two parallel branches from Part VII 131
The head end of eight parts 132.It is correspondingly formed between the pole piece 101 that the pole piece 101 and polarity that polarity is N are S from N poles to S extreme directions
Magnetic field；With reference to the current direction and magnetic direction in Fig. 8, according to the physics law of Lorentz force walking direction-" left hand is fixed
Then ", it can be determined that Part VII 131, the Impact direction of Part VIII 132 are from the direction that plane is outwards pointed out, magnetic field pair
The driving effect of second voice coil loudspeaker voice coil 13 " upward ".
It can similarly push away, when the polarity of one pole of power supply of 121 head end of Part V connection is anode, 122 head end of Part VI
The polarity of one pole of power supply of connection is cathode, then magnetic field can produce the first voice coil loudspeaker voice coil 12 driving effect of " downward "；When the 7th
The polarity for dividing one pole of power supply of 131 head ends connection is anode, and the polarity of one pole of power supply of 132 head end of Part VIII connection is just
Pole, then magnetic field the driving effect of " downward " can be produced to the second voice coil loudspeaker voice coil 13.
Both the above stressing conditions are analyzed, and have embodied the controlling party to 13 direction of vibration of the first voice coil loudspeaker voice coil 12 and the second voice coil loudspeaker voice coil
Method, that is, control sense of current to realize the control to 13 direction of vibration of the first voice coil loudspeaker voice coil 12 and the second voice coil loudspeaker voice coil, while according to electricity
The size of stream can also realize the control to 13 Oscillation Amplitude of the first voice coil loudspeaker voice coil 12 and the second voice coil loudspeaker voice coil, therefore the first voice coil loudspeaker voice coil 12 and second
Voice coil loudspeaker voice coil 13 can realize vibration according to tone currents signal, voice coil loudspeaker voice coil the first voice coil loudspeaker voice coil 12 and the second voice coil loudspeaker voice coil 13 drive the vibration of sound film and then
Air vibration is driven, so as to restore voice signal.
By said structure, driving effect of four magnetic fields to the first voice coil loudspeaker voice coil 12 and the second voice coil loudspeaker voice coil 13 is realized.Therefore, exist
In the case that electric current is identical, the intensity for the field drives power that the first voice coil loudspeaker voice coil 12 and the second voice coil loudspeaker voice coil 13 obtain jointly is high, and
In the case that current strength is weaker, power frequency is relatively low, still ensures that and obtain the driving of response current signal, reach wider array of audio
With loudness of a sound response range, the audio reduction of high-fidelity is realized.
3rd embodiment：
More magnetic loudspeakers provided by the invention, including：More magnetic loudspeaker driving structures, and magnetic bowl, sound film and on
Lid, magnetic bowl are used for the component of the more magnetic loudspeakers of fixed placement, and magnet steel one end is fixed on magnetic bottom of bowl end, and the magnet steel other end posts pole
Core, voice coil loudspeaker voice coil are connected with sound film, and sound film is covered in magnetic bowl top, and upper cover is fastened on the top of magnetic bowl, and upper cover is middle hollow out, is made
Sound film is obtained to expose.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of protection of the invention.
Claims (10)
- A kind of 1. more magnetic loudspeaker driving structures, it is characterised in that including：Multiple magnets, voice coil loudspeaker voice coil；Wherein, multiple magnetic Body central symmetry arranges, and possesses gap between the adjacent magnet, and the voice coil loudspeaker voice coil is installed on the sky between the magnet Between gap.
- 2. more magnetic loudspeaker driving structures as claimed in claim 1, it is characterised in that the magnet includes：Pole piece and magnetic Steel, the pole piece are attached to one end of the magnet steel, and the voice coil loudspeaker voice coil is installed between the gap between the pole piece.
- 3. more magnetic loudspeaker driving structures as claimed in claim 2, it is characterised in that the shape of the magnet steel is pros Shape, several described magnet steel symmetric arrays are into square.
- 4. more magnetic loudspeaker driving structures as claimed in claim 3, it is characterised in that the quantity of the magnet steel is 4, described The shape of gap composition between magnet steel is cross.
- 5. more magnetic loudspeaker driving structures as claimed in claim 4, it is characterised in that the shape of the voice coil loudspeaker voice coil is cross Type, the voice coil loudspeaker voice coil include：Part I, Part II, Part III and Part IV, the Part I and 3rd described Point symmetrical, the Part II and the Part IV are symmetrical, and the head end of the Part I is connected with one pole of power supply, and described the The head end of three parts is connected with another pole of power supply.
- 6. more magnetic loudspeaker driving structures as claimed in claim 5, it is characterised in that the Part I, described second Partly, the compact fitting in the both sides of the Part III and the Part IV.
- 7. more magnetic loudspeaker driving structures as claimed in claim 6, it is characterised in that corresponding with the Part II two The polarity of a pole piece is N, and the polarity of two pole pieces corresponding with the Part IV is S.
- 8. more magnetic loudspeaker driving structures as claimed in claim 4, it is characterised in that the voice coil loudspeaker voice coil includes：First voice coil loudspeaker voice coil With the second voice coil loudspeaker voice coil, first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil are square, first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil row Arrange into cross；First voice coil loudspeaker voice coil includes：Part V and Part VI, the Part V head end are connected with positive pole, and described Six part head ends are connected with power cathode, and second voice coil loudspeaker voice coil includes：Part VII and Part VIII, the Part VII head end One pole of power supply is connected with, the Part VIII head end is connected with one pole of power supply；It is the Part V, the Part VI, described The compact fitting in the both sides of Part VII and the Part VIII.
- 9. more magnetic loudspeaker driving structures as claimed in claim 8, it is characterised in that with the Part V and described the The polarity of the corresponding pole piece in six parts is N, the pole of the pole piece corresponding with the Part V and the Part VIII Property is S, and the polarity of the pole piece corresponding with the Part VI and the Part VII is S, the Part VII and described The polarity of the corresponding pole piece of Part VIII is N.
- 10. a kind of more magnetic loudspeakers, including：More magnetic loudspeaker driving structures as shown in claim 2-9, and magnetic Bowl, sound film and upper cover, described magnet steel one end are fixed on the magnetic bottom of bowl end, and the magnet steel other end posts the pole piece, described Voice coil loudspeaker voice coil is connected with the sound film, and the sound film is covered in the magnetic bowl top, and the upper cover is fastened on the top of the magnetic bowl, institute It is middle hollow out to state upper cover so that the sound film exposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401704.XA CN107995569B (en) | 2017-12-22 | Multi-magnetic loudspeaker driving structure and multi-magnetic loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401704.XA CN107995569B (en) | 2017-12-22 | Multi-magnetic loudspeaker driving structure and multi-magnetic loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107995569A true CN107995569A (en) | 2018-05-04 |
| CN107995569B CN107995569B (en) | 2024-06-07 |
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