CN205610908U - Novel speaker magnetic structure and speaker that possess two kinds of magnetic circuit characteristics - Google Patents
Novel speaker magnetic structure and speaker that possess two kinds of magnetic circuit characteristics Download PDFInfo
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- CN205610908U CN205610908U CN201620349645.0U CN201620349645U CN205610908U CN 205610908 U CN205610908 U CN 205610908U CN 201620349645 U CN201620349645 U CN 201620349645U CN 205610908 U CN205610908 U CN 205610908U
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Abstract
The utility model discloses a novel speaker magnetic structure and speaker that possess two kinds of magnetic circuit characteristics. A possess the novel speaker magnetic structure of two kinds of magnetic circuit characteristics, including the pedestal that is used for providing the magnetic loop with install in lead magnetic component on the pedestal, the pedestal comprises T iron and U iron, leads magnetic component and sets up between T iron and U iron, and T is indisputable, U is indisputable and lead the magnetic structure that the inside and outside magnetic knot of magnetic component formation closed, the magnetic structure through T iron, U is indisputable and the combination of leading magnetic component forms and has the two magnetic gap that are used for settling the voice coil loudspeaker voice coil, the utility model discloses a novel magnetic structure of the outer two kinds of magnetic circuit characteristics of magnetism of magnetism in possesing simultaneously, it is through adopting T iron and U iron simultaneously, T iron, U is indisputable and lead the magnetic structure that forms inside and outside magnetic knot between the magnetic component and close, lead in the present internal formation of magnetic component no. 1 one outside two magnetic fields, obtain bigger magnetic energy for magnetic field utilization ratio maxmizingization.
Description
Technical field
This utility model relates to loudspeaker techniques field, especially relates to have the novel of two kinds of Magnetic circuit characters and raises one's voice
Device magnetic structure and speaker.
Background technology
Speaker is to convert the electrical signal to acoustical signal and be radiated the electroacoustic transducer gone in air.Traditional
Speaker is divided into electrodynamic type, electromagnetic type, electrostatic, piezoelectric type, ionic formula and pneumatic type etc. by operation principle.
In the speaker of each type, using is at most, most widely dynamic speaker, is also called moving-coil type and raises
Sound device.
Existing coil-moving speaker usually in magnetic speaker and outer magnetic speaker, interior magnetic speaker leakage field little but
It is that magnet volume is restricted, and outer magnetic speaker magnet volume is unrestricted, but easily leakage field.
Utility model content
In order to overcome above-mentioned existing issue, this utility model provides and a kind of have the novel of two kinds of Magnetic circuit characters and raise
Sound device magnetic structure and speaker, it uses T ferrum and U ferrum to make magnetic structure have the outer magnetic two kinds of interior magnetic simultaneously
Form, reduces magnetic loss so that magnetic field utilization ratio reaches to maximize.
The technical solution of the utility model is: a kind of New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters,
Including for providing the pedestal of magnetic loop and the magnetic conduction subassembly being installed on described pedestal, described pedestal by T ferrum and
U ferrum is constituted, and magnetic conduction subassembly is arranged between T ferrum and U ferrum, and T ferrum, U ferrum and magnetic conduction subassembly form inside and outside magnetic
In conjunction with magnetic structure, described magnetic structure formed by the combination of T ferrum, U ferrum and magnetic conduction subassembly have for
Dispose double magnetic gap of voice coil loudspeaker voice coil.
Described T ferrum and U ferrum are installed in the same direction, are integrally formed the section pedestal in " mountain " type structure, described magnetic conduction
Assembly is arranged on pedestal inner chamber and forms twice annular magnetic gap, described twice annular magnetic gap with pedestal medial wall
It is respectively used to dispose voice coil loudspeaker voice coil；Described magnetic conduction subassembly includes magnetic conductive board setting up and down and magnet steel.
Described T ferrum and U ferrum are reversely installed, and form one by described magnetic conduction subassembly, lead between T ferrum and U ferrum
Magnetic assembly forms twice annular gap with T ferrum and U ferrum, and described twice annular magnetic gap is respectively used to dispose voice coil loudspeaker voice coil,
Voice coil loudspeaker voice coil disposes in opposite direction.Described magnetic conduction subassembly is magnet steel, and T ferrum and U ferrum are respectively the magnetic conductive board of the other side.
Described magnetic conduction subassembly is a group or more；When magnetic conduction subassembly is more than one group, many group magnetic conduction subassemblies are folded
Adding together, the pole orientation of two groups of adjacent magnetic conduction subassemblies is contrary.
This utility model additionally provides a kind of speaker, and it includes frame, vibrational system and magnetic circuit system, described
Vibrational system is placed in described frame, and described magnetic circuit system is connected with frame, and described magnetic circuit system is in employing
State the magnetic circuit system of magnetic structure.
The beneficial effects of the utility model are:
1, the New-type loudspeaker magnetic structure of two kinds of Magnetic circuit characters that has of the present utility model is for having interior magnetic simultaneously
The novel magnetic circuit of outer two kinds of forms of magnetic, by using T ferrum and U ferrum simultaneously, T ferrum, U ferrum and magnetic conduction group
Form the magnetic structure that inside and outside magnetic knot closes, i.e. magnetic conduction subassembly between part and be not only the outer side magnet of T ferrum but also be U ferrum
Inner side magnet, magnetic conduction subassembly is present outer two magnetic fields in internal formation one, obtains bigger magnetic energy so that
Magnetic field utilization rate reaches to maximize, and uses the speaker of this magnetic structure can obtain higher sensitivity；
2, the New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters of the present utility model had both had external magnetic type and had raised
The advantage of sound device is the most highly sensitive, has again that the advantage of internal magnetic loudspeaker is less by external magnetic field interference, leakage field is little,
Existing external magnetic circuit structure permeability is normally no higher than 50%, and internal magnetic type magnetic line structure permeability is the most not
Higher than 70%, and leakage field rate of the present utility model can as little as 30%, magnetic loss is little, then use raising of this magnetic structure
Sound device can improve the transient response speed of speaker, can preferably improve the sensitivity of speaker, and speaker obtains
The high tone quality effect that distortion is the least；
3, the New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters of the present utility model can drive at the same time or separately
Moving one or more voice coil loudspeaker voice coil, two magnetic circuits all can pass through adapter with two voice coil loudspeaker voice coils when a direction
Simultaneously acting on a speaker pronunciation basin, power is strong, and power is big, can improve speaker and move transient response,
And phonation volume is big, acoustic pressure is high, audio is good；
4, the New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters of the present utility model, T ferrum and U ferrum can
Positive and negative installation, can be used for double-sound cone loudspeaker when reversely installing, can obtain broader frequency range and sounding frequency range is excellent.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that embodiment 1 has the New-type loudspeaker magnetic structure of two kinds of Magnetic circuit characters；
Fig. 2 is the top view that embodiment 1 has the New-type loudspeaker magnetic structure of two kinds of Magnetic circuit characters；
Fig. 3 is the New-type loudspeaker magnetic structure conducting magnetic column schematic diagram that embodiment 1 has two kinds of Magnetic circuit characters；
Fig. 4 is the structural representation of embodiment 1 speaker；
Fig. 5 is the schematic diagram that embodiment 2 has the New-type loudspeaker magnetic structure of two kinds of Magnetic circuit characters；
Fig. 6 is the New-type loudspeaker magnetic structure conducting magnetic column schematic diagram that embodiment 2 has two kinds of Magnetic circuit characters；
Fig. 7 is the structural representation of embodiment 2 speaker.
In figure, 11, pedestal；111, conducting magnetic column；12, magnetic conduction subassembly；121, magnetic conductive board；122, magnet steel；
13, annular magnetic gap；14, outer ring magnetic gap；100, interior voice coil loudspeaker voice coil；100 ', outer voice coil loudspeaker voice coil；101、
Frame；102, vibrational system；103, magnetic circuit system；21, T ferrum；211, seat board；212, conducting magnetic column；
2121, magnetic conductive board；2122, magnet steel；22, U ferrum；23, magnet steel；24, the first magnetic gap；25, second
Magnetic gap；200, the first voice coil loudspeaker voice coil；200 ', second voice coil loudspeaker voice coil；201, frame；202, vibrational system；203、
Magnetic circuit system.
Detailed description of the invention
With embodiment, this utility model is further elaborated below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters, including using
In the pedestal 11 providing magnetic loop and the magnetic conduction subassembly 12 being installed on pedestal 11.
Pedestal 11 is made up of T ferrum and U ferrum, and T ferrum and U ferrum are integrally formed section in the same direction in " mountain " type structure
Circular pedestal 11, pedestal 11 center is conducting magnetic column 111, forms a ring inside conducting magnetic column 111 and pedestal 11
Shape cavity, magnetic conduction subassembly 12 is arranged in toroidal cavity, and magnetic conduction subassembly 12 and toroidal cavity form twice annular
Magnetic gap, twice annular magnetic gap is respectively used to dispose voice coil loudspeaker voice coil 100.
Magnetic conduction subassembly 12 includes overlapping magnetic conductive board 121 together and magnet steel 122, magnetic conductive board 121 and magnetic up and down
Steel 122 is the coaxial circles ring body of horizontally set, and magnetic conductive board 121 and magnet steel 122 internal diameter are slightly larger than in toroidal cavity
Footpath (i.e. more than conducting magnetic column 111 diameter), magnetic conductive board 121 and magnet steel 122 external diameter are slightly less than toroidal cavity external diameter,
Thus magnetic conductive board 121 and magnet steel 122 be arranged on toroidal cavity through conducting magnetic column 111 in after, magnetic conductive board 121
Annular magnetic gap 13, magnetic conductive board 121 and magnet steel 122 is formed with conducting magnetic column 111 outer wall with magnet steel 122 inwall
Outer wall forms outer ring magnetic gap 14 with pedestal 11 inwall, and annular magnetic gap 13 is used for disposing interior voice coil loudspeaker voice coil 110；
Outer ring magnetic gap 14 is respectively used to dispose outer voice coil loudspeaker voice coil 100 '.
Magnetic conduction subassembly 12 is a group or more；When magnetic conduction subassembly 12 is more than one group, many group magnetic conduction groups
Together, the pole orientation of two groups of adjacent magnetic conduction subassemblies 12 is contrary, can strengthen the moment of speaker in part 12 superposition
Dynamics, improves the sensitivity of speaker, improves efficiency, reduces the distortion factor so that the tonequality of speaker is the completeest
Beautiful.
As it is shown on figure 3, the present embodiment conducting magnetic column 111 can also be for overlapping magnetic conductive board together and magnet steel structure up and down
Becoming, its pole orientation is contrary with the magnetic conduction subassembly pole orientation of both sides, can strengthen the magnetic field intensity at voice coil loudspeaker voice coil place,
Thus improving the sensitivity of voice coil loudspeaker voice coil so that speaker reaches hi-fi effect.
As shown in Figure 4, present embodiments providing a kind of speaker, it includes frame 101, vibrational system 102
With magnetic circuit system 103, vibrational system 102 is placed in described frame 101, magnetic circuit system 103 and frame 101
Being connected, magnetic circuit system 103 is the magnetic circuit system 103 using above-mentioned magnetic structure, uses the present embodiment magnetic circuit knot
The speaker of structure is the single-tone basin loudspeaker with double voice coil 100.
Embodiment 2
As it is shown in figure 5, a kind of New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters, including for providing
The pedestal of magnetic loop and the magnetic conduction subassembly being installed on described pedestal.
Pedestal is made up of T ferrum 21 and U ferrum 22, and T ferrum 21 and U ferrum 22 is reversely installed, T ferrum 21 and U
One, T ferrum 21, the inside and outside magnetic of formation between U ferrum 22 and magnetic conduction subassembly is formed by magnetic conduction subassembly between ferrum 22
In conjunction with magnetic structure, magnetic structure has the double magnetic gap for disposing voice coil loudspeaker voice coil 200.
T ferrum 21 includes seat board 211 and is positioned at the conducting magnetic column 212 at seat board center, and U ferrum 22 base offers logical
Hole, through-hole diameter is slightly larger than conducting magnetic column diameter, and conducting magnetic column and through hole are coaxially disposed, and magnetic conduction subassembly is magnet steel 23,
Magnet steel 23 one end is connected with T ferrum 21 seat board, and the other end is connected with U ferrum 22 base, and the design of this structure makes
T ferrum 21 and U ferrum 22 respectively becomes the magnetic conductive board of the other side, forms first between magnet steel 23 inwall and conducting magnetic column
Magnetic gap 24, the first magnetic gap 24 is for disposing the first voice coil loudspeaker voice coil 200, and the first magnetic gap 24 is less than or equal to logical
Distance between hole inwall and conducting magnetic column, magnet steel 23 outer wall and U ferrum 22 inwall form the second magnetic gap 25,
Second magnetic gap 25 is for disposing the second voice coil loudspeaker voice coil 200 ', the first voice coil loudspeaker voice coil 200 and arrangement of the second voice coil loudspeaker voice coil 200 '
Direction is rightabout.
As shown in Figure 6, the present embodiment T ferrum conducting magnetic column can be by the magnetic conductive board 2121 overlapped together and magnet steel
2122 are constituted, and magnet steel, between seat board and magnetic conductive board, can strengthen the magnetic field intensity at voice coil loudspeaker voice coil place, thus carry
The sensitivity of high voice coil loudspeaker voice coil so that speaker reaches hi-fi effect.
As it is shown in fig. 7, present embodiments provide a kind of speaker, it includes frame 201, vibrational system 202
With magnetic circuit system 203, vibrational system 202 is placed in described frame 201, magnetic circuit system 203 and frame 201
Being connected, magnetic circuit system 203 is the magnetic circuit system 203 using above-mentioned magnetic structure, uses the present embodiment magnetic circuit knot
The speaker of structure is double-sound cone loudspeaker.
The above, preferred embodiment the most of the present utility model, not in order to limit this utility model, every
Any trickle amendment, the equivalent above example made according to technical spirit of the present utility model and change
Enter, deform and extend in the protection domain that should be included in technical solutions of the utility model.
Claims (8)
1. have the New-type loudspeaker magnetic structure of two kinds of Magnetic circuit characters, including for providing the pedestal of magnetic loop and the magnetic conduction subassembly being installed on described pedestal, it is characterized in that, described pedestal is made up of T ferrum and U ferrum, magnetic conduction subassembly is arranged between T ferrum and U ferrum, T ferrum, U ferrum and magnetic conduction subassembly form the magnetic structure that inside and outside magnetic knot closes, and described magnetic structure is formed by the combination of T ferrum, U ferrum and magnetic conduction subassembly has the double magnetic gap for disposing voice coil loudspeaker voice coil.
The New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters the most according to claim 1, it is characterized in that, described T ferrum and U ferrum are installed in the same direction, it is integrally formed the section pedestal in " mountain " type structure, described magnetic conduction subassembly is arranged on pedestal inner chamber and forms twice annular magnetic gap with pedestal medial wall, and described twice annular magnetic gap is respectively used to dispose voice coil loudspeaker voice coil.
The New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters the most according to claim 2, it is characterised in that described magnetic conduction subassembly includes magnetic conductive board setting up and down and magnet steel.
The New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters the most according to claim 1, it is characterized in that, described T ferrum and U ferrum are reversely installed, one is formed by described magnetic conduction subassembly between T ferrum and U ferrum, magnetic conduction subassembly forms twice annular gap with T ferrum and U ferrum, described twice annular magnetic gap is respectively used to dispose voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil disposes in opposite direction.
The New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters the most according to claim 4, it is characterised in that described magnetic conduction subassembly is magnet steel, T ferrum and U ferrum are respectively the magnetic conductive board of the other side.
The New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters the most according to claim 1, it is characterised in that described magnetic conduction subassembly is a group or more.
7., according to the New-type loudspeaker magnetic structure having two kinds of Magnetic circuit characters described in claim 1 or 6, it is characterised in that described magnetic conduction subassembly is more than one group, together, the pole orientation of two groups of adjacent magnetic conduction subassemblies is contrary for the magnetic conduction subassembly superposition of many groups.
8. speaker, including frame, vibrational system and magnetic circuit system, described vibrational system is placed in described frame, and described magnetic circuit system is connected with frame, it is characterised in that described magnetic circuit system is to use the magnetic circuit system of magnetic structure described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620349645.0U CN205610908U (en) | 2016-04-22 | 2016-04-22 | Novel speaker magnetic structure and speaker that possess two kinds of magnetic circuit characteristics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620349645.0U CN205610908U (en) | 2016-04-22 | 2016-04-22 | Novel speaker magnetic structure and speaker that possess two kinds of magnetic circuit characteristics |
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| Publication Number | Publication Date |
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| CN205610908U true CN205610908U (en) | 2016-09-28 |
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| CN201620349645.0U Active CN205610908U (en) | 2016-04-22 | 2016-04-22 | Novel speaker magnetic structure and speaker that possess two kinds of magnetic circuit characteristics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954161A (en) * | 2017-05-13 | 2017-07-14 | 门立山 | A kind of many magnetic gap multiple voice coils loudspeakers |
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2016
- 2016-04-22 CN CN201620349645.0U patent/CN205610908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954161A (en) * | 2017-05-13 | 2017-07-14 | 门立山 | A kind of many magnetic gap multiple voice coils loudspeakers |
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