CN105246008A - Resonance type loudspeaker - Google Patents
Resonance type loudspeaker Download PDFInfo
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- CN105246008A CN105246008A CN201510703775.XA CN201510703775A CN105246008A CN 105246008 A CN105246008 A CN 105246008A CN 201510703775 A CN201510703775 A CN 201510703775A CN 105246008 A CN105246008 A CN 105246008A
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- damping controller
- voice coil
- outstanding limit
- resonance type
- loud speaker
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Abstract
The invention provides a resonance type loudspeaker. A sealed space is formed in a closed box; the closed box comprises a basin stand fixed on the closed box, a connecting bracket connected to the basin stand, a first suspension side and a second suspension side, a first damping controller and a second damping controller, and U-shaped iron, a magnet, a voice coil, a paper cone and a phase plug which are connected to the connecting bracket, wherein the voice coil generates vibration according to a received electric signal and drives the second damping controller, the paper cone, the second suspension side and the phase plug to vibrate, so that air in the sealed space is compressed to drive the connecting bracket, the U-shaped iron, the magnet, the first suspension side and the first damping controller, and thus a magnetic circuit system of the loudspeaker and other component parts of the loudspeaker vibrate together, the vibration quality can be effectively increased, the better low-frequency ductility is obtained, the product volume is remarkably reduced, and the resonance type loudspeaker can be widely applied to portable, small-volume and small-space desktop type electronic equipment with the tone quality requirement.
Description
Technical field
The application relates to a kind of resonance type loud speaker.
Background technology
Along with the develop rapidly of electronic technology, the demand of Mobile portable equipment is more and more powerful.The maturation development of bluetooth, WI-FI, battery and high-efficiency amplifier etc., allows mobile portable wireless music player popularize rapidly and comes.
But loadspeaker structure form traditional in the market cannot in small size, the reduction of good low-frequency sound is realized under little space, the structure of most employing passive type radiator introduces larger nonlinear distortion and requires larger structure space, and this can not meet the growing pursuit to better tonequality of people and less more portable demand.
Summary of the invention
An object of the application is to provide a kind of resonance type loud speaker, can be applicable to loud speaker that is small-bore, Larger Dynamic requirement, and can provide comparatively low distortion, less space, have better low frequency extension.
According to an aspect of the application, provide a kind of resonance type loud speaker, comprise closed box, form a seal cavity in described closed box, comprise in described closed box:
Be fixed on the frame on described closed box;
Be connected to the connection bracket of described frame;
Symmetry is connected to the first outstanding limit and the second outstanding limit of the leading edge of described frame and connection bracket;
Symmetry is connected to the first damping controller and second damping controller of the trailing edge of described frame and connection bracket;
Be connected to U-shaped iron, magnet, voice coil loudspeaker voice coil, cone and the phase plug in described connection bracket, wherein, described voice coil loudspeaker voice coil produces vibration according to receiving the signal of telecommunication, and drive described second damping controller, cone, the second outstanding limit and phase plug vibration, make the air compressing in described seal cavity, to drive described connection bracket, U-shaped iron, magnet, the first outstanding limit and the first damping controller.
Further, in above-mentioned resonance type loud speaker, described frame, connection bracket, the first outstanding limit, the second outstanding limit, the first damping controller, the second damping controller, U-shaped iron, magnet, voice coil loudspeaker voice coil, cone and phase plug are uniformly distributed in the mode of border quality symmetry in described closed box.
Further, in above-mentioned resonance type loud speaker, the described first outstanding limit and the second outstanding limit at least comprise an arc respectively and hang limit.
Further, in above-mentioned resonance type loud speaker, the described first outstanding limit and the second outstanding limit are that W type hangs limit.
Further, in above-mentioned resonance type loud speaker, described first damping controller and the second damping controller at least comprise a curved surface respectively.
Further, in above-mentioned resonance type loud speaker, described connection bracket, U-shaped iron and magnet and described frame keep concentric piston movement.
Further, in above-mentioned resonance type loud speaker, when described U-shaped iron is interior magnetic, its material is neodymium iron boron; Described when to state U-shaped iron be outer magnetic, its material is ferrite.
Further, in above-mentioned resonance type loud speaker, described voice coil loudspeaker voice coil, the second damping controller, cone, the second outstanding limit, phase plug, connection bracket, U-shaped iron, magnet, the first outstanding limit and the first damping controller all vibrate along on the outstanding limit of described U-shaped iron to the first and the second outstanding edge direction.
Compared with prior art, the application, by forming a seal cavity in described closed box, comprises in described closed box: be fixed on the frame on described closed box, be connected to the connection bracket of described frame, symmetry is connected to the first outstanding limit and the second outstanding limit of the leading edge of described frame and connection bracket, symmetry is connected to the first damping controller and second damping controller of the trailing edge of described frame and connection bracket, be connected to the U-shaped iron in described connection bracket, magnet, voice coil loudspeaker voice coil, cone and phase plug, wherein, described voice coil loudspeaker voice coil produces vibration according to receiving the signal of telecommunication, and drive described second damping controller, cone, second outstanding limit and phase plug vibration, make the air compressing in described seal cavity, to drive described connection bracket, U-shaped iron, magnet, first outstanding limit and the first damping controller, the magnetic circuit system of loud speaker is vibrated together with other building block of loud speaker, effectively can increase oscillating mass, obtain better low frequency extension, reduce small product size significantly, the portable of tonequality demand can be widely used in, Table top type, on the electronic equipment in small size and little space.
In addition, be uniformly distributed in the mode of border quality symmetry in described closed box by described frame, connection bracket, the first outstanding limit, the second outstanding limit, the first damping controller, the second damping controller, U-shaped iron, magnet, voice coil loudspeaker voice coil, cone and phase plug, to make the quality such as the structure border of loud speaker, thus effectively increase oscillating mass Md further, obtain better low frequency extension.
In addition, at least comprise an arc respectively by the described first outstanding limit and the second outstanding limit and hang limit, thus the swept area Sd expanded, effectively prevent distortion.At least comprise a curved surface respectively by described first damping controller and the second damping controller, to make vibration characteristics better, reduce distortion.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, the other features, objects and advantages of the application will become more obvious:
Fig. 1 is the resonance type loadspeaker structure schematic sectional view of the application;
Fig. 2 is the impedance type acoustic analog line map of the resonance type loud speaker of the application;
In Fig. 1:
S101/S112-W type hangs limit; S102-frame;
S103/S109 is undaform damping controller; S104 is closed box;
S105 is confined space; S106/S107/S111 is magnetic circuit system;
S108 is voice coil loudspeaker voice coil; S110 is cone;
S113 is phase plug;
In Fig. 2:
Ras is the quality speaker equivalence acoustic resistances such as border; Mac is the equivalent sound quality of speaker vibration system;
Cas is that loud speaker suspension system equivalent sound is suitable; Rab absorbs the casing equivalence acoustic resistance caused in case;
Cab is that the equivalent sound of air in case is suitable; Ud is the sound space velocity of speaker vibration system; Mar is the equivalent gross mass of non-linear vibrating system;
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
Below in conjunction with accompanying drawing, the application is described in further detail.
As shown in Figure 1, the application provides a kind of resonance type loud speaker, comprises closed box S104, and in described closed box, S104 forms a seal cavity S105, and in described closed box, S104 comprises:
Be fixed on the frame S102 on described closed box S104;
Be connected to the connection bracket S111 of described frame S102;
Symmetry is connected to the outstanding limit S102 of the first outstanding limit S101 and second of the leading edge of described frame S102 and connection bracket S111; Described leading edge be described frame S102 and connection bracket S111 away from described seal cavity S105 side;
Symmetry is connected to the first damping controller S103 and the second damping controller S109 of the trailing edge of described frame S102 and connection bracket S111; Described trailing edge is the close described seal cavity S105 side of described frame S102 and connection bracket S111;
Be connected to U-shaped iron S106, magnet S107, voice coil loudspeaker voice coil S108, cone S110 and the phase plug S113 on described connection bracket S111, wherein, described voice coil loudspeaker voice coil S108 produces vibration according to receiving the signal of telecommunication, and drive described second damping controller S109, cone S110, the second outstanding limit S112 and phase plug S113 vibrates, make the air compressing in described seal cavity S105, to drive described connection bracket S111, U-shaped iron S106, magnet S107, the first outstanding limit S101 and the first damping controller S103.Wherein, described U-shaped iron S106, magnet S107 and connection bracket S111 form magnetic circuit system.In the present embodiment, the magnetic circuit system of loud speaker is vibrated together with other building block of loud speaker, effectively can increase oscillating mass, obtain better low frequency extension, reduce small product size significantly, can be widely used on portable, Table top type, the small size of tonequality demand and the electronic equipment in little space.
In the application's resonance type loud speaker one preferred embodiment, described frame S102, connection bracket S111, the first outstanding limit S101, the second outstanding limit S112, the first damping controller S103, the second damping controller S109, U-shaped iron S106, magnet S107, voice coil loudspeaker voice coil S108, cone S110 and phase plug S113 are uniformly distributed in the mode of border quality symmetry in described closed box S104, to make the quality such as the structure border of loud speaker, thus effectively increase oscillating mass Md further, obtain better low frequency extension (70-200Hz).
In the application's resonance type loud speaker one preferred embodiment, the outstanding limit S112 of the described first outstanding limit S101 and second at least comprises an arc respectively and hangs limit, thus the swept area Sd expanded, effectively prevent distortion.
In the application's resonance type loud speaker one preferred embodiment, the outstanding limit S112 of the described first outstanding limit S101 and second is that W type hangs limit, to make vibrating effect better, reaches the effect better preventing distortion.
In the application's resonance type loud speaker one preferred embodiment, described first damping controller S103 and the second damping controller S109 at least comprises a curved surface respectively, to make vibration characteristics better, reduces distortion.At this, by controlling the air volume (Vas) of confined space S105, the weight Md and first of magnetic circuit system, the damping (Z) of damping controller reduce nonlinear distortion and improve transient response.
In the application's resonance type loud speaker one preferred embodiment, described connection bracket S111, U-shaped iron S106 and magnet S107 and described frame S102 keep concentric piston movement, thus make distortion less.
In the application's resonance type loud speaker one preferred embodiment, when described U-shaped iron S106 is interior magnetic, its material is neodymium iron boron; Described when to state U-shaped iron S106 be outer magnetic, its material is ferrite.
In the application's resonance type loud speaker one preferred embodiment, described voice coil loudspeaker voice coil S108, the second damping controller S109, cone S110, the second outstanding limit S112, phase plug S113, connection bracket S111, U-shaped iron S106, magnet S107, the first outstanding limit S101 and the first damping controller S103 all vibrate along on the outstanding limit of described U-shaped iron to the first and the second outstanding edge direction, to reach better low frequency extension.
Detailed, Fig. 2 is the impedance type acoustic analog line map of the resonance type loud speaker of the application, wherein, Ras is the quality speaker equivalence acoustic resistances such as border, and Mac is the equivalent sound quality of speaker vibration system, and Cas is that loud speaker suspension system equivalent sound is suitable, Rab absorbs the casing equivalence acoustic resistance caused in case, Cab is that the equivalent sound of air in case is suitable, and Ud is the sound space velocity of speaker vibration system, and Mar is the equivalent gross mass of non-linear vibrating system.
In sum, the application, by forming a seal cavity in described closed box, comprises in described closed box: be fixed on the frame on described closed box, be connected to the connection bracket of described frame, symmetry is connected to the first outstanding limit and the second outstanding limit of the leading edge of described frame and connection bracket, symmetry is connected to the first damping controller and second damping controller of the trailing edge of described frame and connection bracket, be connected to the U-shaped iron in described connection bracket, magnet, voice coil loudspeaker voice coil, cone and phase plug, wherein, described voice coil loudspeaker voice coil produces vibration according to receiving the signal of telecommunication, and drive described second damping controller, cone, second outstanding limit and phase plug vibration, make the air compressing in described seal cavity, to drive described connection bracket, U-shaped iron, magnet, first outstanding limit and the first damping controller, the magnetic circuit system of loud speaker is vibrated together with other building block of loud speaker, effectively can increase oscillating mass, obtain better low frequency extension, reduce small product size significantly, the portable of tonequality demand can be widely used in, Table top type, on the electronic equipment in small size and little space.
In addition, be uniformly distributed in the mode of border quality symmetry in described closed box by described frame, connection bracket, the first outstanding limit, the second outstanding limit, the first damping controller, the second damping controller, U-shaped iron, magnet, voice coil loudspeaker voice coil, cone and phase plug, to make the quality such as the structure border of loud speaker, thus effectively increase oscillating mass Md further, obtain better low frequency extension.
In addition, at least comprise an arc respectively by the described first outstanding limit and the second outstanding limit and hang limit, thus the swept area Sd expanded, effectively prevent distortion.At least comprise a curved surface respectively by described first damping controller and the second damping controller, to make vibration characteristics better, reduce distortion.
Obviously, those skilled in the art can carry out various change and modification to the application and not depart from the spirit and scope of the application.Like this, if these amendments of the application and modification belong within the scope of the application's claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.
It should be noted that the application can be implemented in the assembly of software and/or software restraint, such as, application-specific integrated circuit (ASIC) (ASIC), general object computer or any other similar hardware device can be adopted to realize.In one embodiment, the software program of the application can perform to realize step mentioned above or function by processor.Similarly, the software program of the application can be stored in computer readable recording medium storing program for performing (comprising relevant data structure), such as, and RAM memory, magnetic or CD-ROM driver or floppy disc and similar devices.In addition, some steps of the application or function can adopt hardware to realize, such as, as coordinating with processor thus performing the circuit of each step or function.
In addition, a application's part can be applied to computer program, such as computer program instructions, when it is performed by computer, by the operation of this computer, can call or provide the method according to the application and/or technical scheme.And call the program command of the method for the application, may be stored in fixing or moveable recording medium, and/or be transmitted by the data flow in broadcast or other signal bearing medias, and/or be stored in the working storage of the computer equipment run according to described program command.At this, an embodiment according to the application comprises a device, this device comprises the memory for storing computer program instructions and the processor for execution of program instructions, wherein, when this computer program instructions is performed by this processor, trigger this plant running based on the method for aforementioned multiple embodiments according to the application and/or technical scheme.
To those skilled in the art, obvious the application is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit or the essential characteristic of the application, can realize the application in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, the scope of the application is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the application.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of other unit or step, odd number does not get rid of plural number.Multiple unit of stating in device claim or device also can be realized by software or hardware by a unit or device.First, second word such as grade is used for representing title, and does not represent any specific order.
Claims (8)
1. a resonance type loud speaker, wherein, comprises closed box, forms a seal cavity, comprise in described closed box in described closed box:
Be fixed on the frame on described closed box;
Be connected to the connection bracket of described frame;
Symmetry is connected to the first outstanding limit and the second outstanding limit of the leading edge of described frame and connection bracket;
Symmetry is connected to the first damping controller and second damping controller of the trailing edge of described frame and connection bracket;
Be connected to U-shaped iron, magnet, voice coil loudspeaker voice coil, cone and the phase plug in described connection bracket, wherein, described voice coil loudspeaker voice coil produces vibration according to receiving the signal of telecommunication, and drive described second damping controller, cone, the second outstanding limit and phase plug vibration, make the air compressing in described seal cavity, to drive described connection bracket, U-shaped iron, magnet, the first outstanding limit and the first damping controller.
2. resonance type loud speaker as claimed in claim 1, wherein, described frame, connection bracket, the first outstanding limit, the second outstanding limit, the first damping controller, the second damping controller, U-shaped iron, magnet, voice coil loudspeaker voice coil, cone and phase plug are uniformly distributed in the mode of border quality symmetry in described closed box.
3. resonance type loud speaker as claimed in claim 1 or 2, wherein, the described first outstanding limit and the second outstanding limit at least comprise an arc respectively and hang limit.
4. resonance type loud speaker as claimed in claim 3, wherein, the described first outstanding limit and the second outstanding limit are that W type hangs limit.
5. the resonance type loud speaker as described in any one of Claims 1-4, wherein, described first damping controller and the second damping controller at least comprise a curved surface respectively.
6. the resonance type loud speaker as described in any one of claim 1 to 5, wherein, described connection bracket, U-shaped iron and magnet and described frame keep concentric piston movement.
7. the resonance type loud speaker as described in any one of claim 1 to 6, wherein, when described U-shaped iron is interior magnetic, its material is neodymium iron boron; Described when to state U-shaped iron be outer magnetic, its material is ferrite.
8. the resonance type loud speaker as described in any one of claim 1 to 7, wherein, described voice coil loudspeaker voice coil, the second damping controller, cone, the second outstanding limit, phase plug, connection bracket, U-shaped iron, magnet, the first outstanding limit and the first damping controller all vibrate along on the outstanding limit of described U-shaped iron to the first and the second outstanding edge direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703775.XA CN105246008A (en) | 2015-10-26 | 2015-10-26 | Resonance type loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703775.XA CN105246008A (en) | 2015-10-26 | 2015-10-26 | Resonance type loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105246008A true CN105246008A (en) | 2016-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703775.XA Pending CN105246008A (en) | 2015-10-26 | 2015-10-26 | Resonance type loudspeaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN105246008A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234057A (en) * | 2019-07-30 | 2019-09-13 | 深圳东原电子有限公司 | The method and New-type loudspeaker of swept area inside and outside a kind of transformation loudspeaker |
| CN113630690A (en) * | 2021-09-06 | 2021-11-09 | 国光电器股份有限公司 | Method and device for determining nonlinear characteristic of loudspeaker system |
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| CN201409216Y (en) * | 2009-04-16 | 2010-02-17 | 美特科技(苏州)有限公司 | Dangling edge of loudspeaker |
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| CN113630690A (en) * | 2021-09-06 | 2021-11-09 | 国光电器股份有限公司 | Method and device for determining nonlinear characteristic of loudspeaker system |
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Application publication date: 20160113 |
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