CN203596918U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN203596918U CN203596918U CN201320846791.0U CN201320846791U CN203596918U CN 203596918 U CN203596918 U CN 203596918U CN 201320846791 U CN201320846791 U CN 201320846791U CN 203596918 U CN203596918 U CN 203596918U
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- CN
- China
- Prior art keywords
- voice coil
- loudspeaker
- telescoping tube
- iron
- basin
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- 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.)
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Abstract
The utility model provides a loudspeaker, comprising a cone stand, a magnetic circuit system mounted on the cone stand, a voice coil mounted in a magnetic field of the magnetic circuit system, a cone connected with the voice coil, a damper used for fixedly connecting the voice coil and the cone, and a telescoping tube arranged in the back side of the cone. One end of the telescoping tube is connected with the cone while the other end of the telescoping tube is connected with the cone stand. According to the loudspeaker of the utility model, the telescoping tube which has a good telescoping property is arranged in the rim of the cone, thereby enabling the cone to maintain a good linear work characteristic during large dynamic operation; the telescoping tube is arranged in the back side of the cone and thus does not occupy the vibration area of the cone; and the low frequency characteristic of the loudspeaker is greatly improved and the loudspeaker is ensured to have a high-efficiency and high-fidelity work performance.
Description
Technical field
The utility model relates to stereo set technical field, relates in particular to a kind of loudspeaker.
Background technology
Loudspeaker are a kind of energy transducers that the signal of telecommunication are transformed into acoustical signal.In the time that different electron energies reaches coil, coil produces the magnetic field interaction of a kind of energy and magnet, this interaction causes the vibration of sound basin, because electron energy changes at any time, the coil of loudspeaker can move forward or backward, therefore the sound basin of loudspeaker will and then move, and these actions make the density degree of air change and produce sound.
Existing loudspeaker, in order to allow sound basin produce front and back piston type motion, can allow again sound basin the air positive and back side mutually isolate, and not produce acoustic short circuit, are all added with the R limit of the designs such as foam limit, rubber edge or stationery wrinkle limit at sound basin edge.R limit, in isolated air, has compliance, and generally, in order not pin down the piston type motion of paper disc, R limit is all done very thinly or soft.But, for the larger loudspeaker of stroke, moving forward and backward in order to reach amplitude, the width on R limit need to strengthen simultaneously.For the loudspeaker of equal bore, will reduce the area of sound basin, even make area and the sound pelvic surface of sacrum long-pending quite (as: 8 cun of paper cone for loudspeaker areas are only 5 cun) on the R limit in loudspeaker.So greatly lose effective vibration area, reduced the output of low frequency energy.The loudspeaker that especially small-bore and hope produced good low frequency energy, the loss of its low frequency energy is larger.In addition,, in the time of the large dynamic operation of loudspeaker, owing to being subject to the significantly dynamic restraining function in R limit, cause the nonlinear distortion of sound basin piston movement.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, and a kind of loudspeaker are provided, and has the flanging design of telescoping tube, makes sound basin have good linear working characteristic, and does not take the vibration area of sound basin, effectively improves the low frequency characteristic of loudspeaker.
For achieving the above object, the utility model provides a kind of loudspeaker, comprise basin frame, be installed on magnetic circuit system on basin frame, be installed on the voice coil loudspeaker voice coil in the magnetic field of magnetic circuit system, the sound basin being connected with voice coil loudspeaker voice coil, for being fixedly connected with the bullet ripple of voice coil loudspeaker voice coil and sound basin and being located at the telescoping tube at the sound basin back side, this telescoping tube one end connects sound basin, other end connection basin frame.
Described telescoping tube is V-type bellows, has better expansion performance.
Described telescoping tube is located at the outer peripheral edges of sound basin, very little to the restraining function of sound basin.
Described magnetic circuit system comprises T iron and is stacked and placed on successively magnet and the pad on T iron; The iron prop that described T iron comprises base plate and upwards extended to form by base plate center, ringwise, ringwise, described iron prop is successively through described magnet and described pad for described pad for described magnet.
Between the outer wall of the iron prop of the inwall of described magnet, the inwall of pad and T iron, form annular magnetic gap.
Described voice coil loudspeaker voice coil comprises the skeleton of tubular and is wrapped on this skeleton and is positioned at the coil of skeleton lower end, and described voice coil loudspeaker voice coil is sheathed on the iron prop of described T iron, and the coil of this voice coil loudspeaker voice coil stretches in described magnetic gap.
Described sound basin is infundibulate, and its edge of large mouthful is fixed on basin frame by telescoping tube, and the edge of its osculum is fixed on the upper end of voice coil loudspeaker voice coil.
Described bullet ripple is a corrugated annulus, and its outward flange is fixed on described basin frame, and inner edges is fixed on the upper end of described voice coil loudspeaker voice coil.
Also comprise dust cap, this dust cap is located at Yin Pen center, and is positioned at the top of voice coil loudspeaker voice coil, for preventing dust, and has certain effect for high frequency response tool.
The outer peripheral edges of described basin frame extend to form flanging, to limit the movement position of sound basin, guarantee that sound basin better moves up and down.
The beneficial effects of the utility model: loudspeaker of the present invention, edge at sound basin arranges telescoping tube, there is good retractility, make sound basin can in the time of large dynamic operation, keep good linear working characteristic, and telescoping tube is arranged at the back side of sound basin, do not take the vibration area of sound basin, improved greatly the low frequency characteristic of loudspeaker, guarantee that loudspeaker have the service behaviour of high efficiency, high-fidelity.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the utility model loudspeaker;
Fig. 2 is the perspective view of the V-type bellows of the utility model loudspeaker.
Embodiment
Describe mechanism of the present utility model and operation principle in detail below in conjunction with accompanying drawing.For better explanation the present embodiment, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing some known features and explanation thereof may to omit be understandable.The corresponding same or analogous parts of same or analogous label.
Shown in Fig. 1-2, the utility model provides a kind of loudspeaker, comprise basin frame 1, be installed on magnetic circuit system on basin frame 1, be installed on the voice coil loudspeaker voice coil 2 in the magnetic field of magnetic circuit system, the sound basin 3 being connected with voice coil loudspeaker voice coil 2, for being fixedly connected with the bullet ripple 4 of voice coil loudspeaker voice coil 2 and sound basin 3 and being located at the telescoping tube 5 at sound basin 3 back sides, these telescoping tube 5 one end connect sound basin 3, other end connection basin frame 1, the air insulated at sound basin 3 fronts and the back side is opened, this telescoping tube 5 has the function of free-extension in the axial direction, guarantees to have good linear working characteristic on sound basin 3 axial directions.
Described magnetic circuit system forms gap magnetic field, to drive voice coil loudspeaker voice coil 2 to move, drives sound basin 3 to vibrate, thereby sound by voice coil loudspeaker voice coil 2.Described magnetic circuit system comprises T iron 6 and is stacked and placed on successively magnet 7 and the pad 8 on T iron 6.The iron prop 62 that this T iron 6 comprises base plate 61 and upwards extended to form by base plate 61 centers, ringwise, ringwise, described iron prop 62 is successively through described magnet 7 and described pad 8 for described pad 8 for described magnet 7.Between the outer wall of the iron prop 62 of the inwall of described magnet 7, the inwall of pad 8 and T iron 6, form annular magnetic gap 786.Described voice coil loudspeaker voice coil 2 comprises the skeleton 21 of tubular and is wrapped on this skeleton 21 and is positioned at the coil 22 of skeleton 21 lower ends, described voice coil loudspeaker voice coil 2 is sheathed on the iron prop 62 of described T iron 6, the coil 22 of this voice coil loudspeaker voice coil 2 stretches in described magnetic gap 786, AC signal is provided to iron prop 62, to make voice coil loudspeaker voice coil 2 produce in the axial direction motive force, and promote 3 motions of sound basin and sound.
Described sound basin 3 is roughly infundibulate, and its edge of large mouthful is fixed on basin frame 1 by telescoping tube 5, and the edge of its osculum is fixed on the upper end of voice coil loudspeaker voice coil 2, on the skeleton 21 of voice coil loudspeaker voice coil 2.
Described bullet ripple 4 is a corrugated annulus, and its outward flange is fixed on described basin frame 1, and inner edges is fixed on skeleton 21 upper ends of described voice coil loudspeaker voice coil 2.Described bullet ripple 4 has limited the position of voice coil loudspeaker voice coil 2 in magnetic gap 786, guarantee that voice coil loudspeaker voice coil 2 can vertical vibration in magnetic gap 786, i.e. lower motion in the axial direction, and limiting in the radial direction moving left and right of voice coil loudspeaker voice coil 2, voice coil loudspeaker voice coil 2 is not contacted with pad 8 and T iron 6, guarantee the stable of tonequality.
Described telescoping tube 5 is arranged at the back side of sound basin 3, and is located at the outer peripheral edges of sound basin 3.The effective vibration area that does not take on the one hand sound basin 3, makes the loss of the low frequency energy of sound basin 3 drop to minimum, has guaranteed the low frequency characteristic of sound basin 3; On the other hand, less for the dynamic restraining function of sound basin 3, guarantee the effect of tonequality fidelity.Further, described telescoping tube 5 is V-type bellows, has better expansion performance, guarantees that sound basin 3 has good linear working characteristic, and when especially sound basin 3 greatly dynamically moves up and down, its effect is more obvious.
Further, described loudspeaker also comprise dust cap 9, and this dust cap 9 is located at the center of sound basin 3, and are positioned at the top of voice coil loudspeaker voice coil 2, prevent that dust from entering magnetic gap 786 on the one hand, on the other hand the high frequency response tool of loudspeaker are had certain effect.
In addition, the outer peripheral edges of described basin frame 1 extend to form flanging 11, to limit the movement position of sound basin 3, guarantee that sound basin 3 moves up and down better.Described flanging 11 can adopt paper or plastic or other material to make.On described basin frame 1, be also provided with the lead terminal (not shown) of the coil 22 that is electrically connected voice coil loudspeaker voice coil 2, power to coil 22 in order to connect power supply.This lead terminal is located at the outside of basin frame 1, is convenient to connect.
In sum, the utility model loudspeaker, edge at sound basin arranges telescoping tube, there is good retractility, make sound basin in the time of large dynamic operation, keep good linear working characteristic, and telescoping tube is arranged at the back side of sound basin, do not take the vibration area of sound basin, improve greatly the low frequency characteristic of loudspeaker, guaranteed that loudspeaker have the service behaviour of high efficiency, high-fidelity.
Obviously, above-described embodiment of the present utility model is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.All any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection range of the utility model claim.
Claims (10)
1. loudspeaker, it is characterized in that, comprise basin frame, be installed on magnetic circuit system on basin frame, be installed on the voice coil loudspeaker voice coil in the magnetic field of magnetic circuit system, the sound basin being connected with voice coil loudspeaker voice coil, for being fixedly connected with the bullet ripple of voice coil loudspeaker voice coil and sound basin and being located at the telescoping tube at the sound basin back side, this telescoping tube one end connects sound basin, other end connection basin frame.
2. loudspeaker as claimed in claim 1, is characterized in that, described telescoping tube is V-type bellows.
3. loudspeaker as claimed in claim 1, is characterized in that, described telescoping tube is located at the outer peripheral edges of sound basin.
4. loudspeaker as claimed in claim 1, is characterized in that, described magnetic circuit system comprises T iron and is stacked and placed on successively magnet and the pad on T iron; The iron prop that described T iron comprises base plate and upwards extended to form by base plate center, ringwise, ringwise, described iron prop is successively through described magnet and described pad for described pad for described magnet.
5. loudspeaker as claimed in claim 4, is characterized in that, between the outer wall of the iron prop of the inwall of described magnet, the inwall of pad and T iron, form annular magnetic gap.
6. loudspeaker as claimed in claim 5, is characterized in that, described voice coil loudspeaker voice coil comprises the skeleton of tubular and be wrapped on this skeleton and be positioned at the coil of skeleton lower end, and described voice coil loudspeaker voice coil is sheathed on the iron prop of described T iron, and the coil of this voice coil loudspeaker voice coil stretches in described magnetic gap.
7. loudspeaker as claimed in claim 1, is characterized in that, described sound basin is infundibulate, and its edge of large mouthful is fixed on basin frame by telescoping tube, and the edge of its osculum is fixed on the upper end of voice coil loudspeaker voice coil.
8. loudspeaker as claimed in claim 1, is characterized in that, described bullet ripple is a corrugated annulus, and its outward flange is fixed on described basin frame, and inner edges is fixed on the upper end of described voice coil loudspeaker voice coil.
9. loudspeaker as claimed in claim 1, is characterized in that, also comprise dust cap, and this dust cap is located at Yin Pen center, and are positioned at the top of voice coil loudspeaker voice coil.
10. loudspeaker as claimed in claim 1, is characterized in that, the outer peripheral edges of described basin frame extend to form flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846791.0U CN203596918U (en) | 2013-12-20 | 2013-12-20 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846791.0U CN203596918U (en) | 2013-12-20 | 2013-12-20 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203596918U true CN203596918U (en) | 2014-05-14 |
Family
ID=50677772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320846791.0U Expired - Fee Related CN203596918U (en) | 2013-12-20 | 2013-12-20 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203596918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103702267A (en) * | 2013-12-20 | 2014-04-02 | 陈坚胜 | Loudspeaker |
| CN105120409A (en) * | 2014-09-19 | 2015-12-02 | 三星电子株式会社 | Loudspeaker |
-
2013
- 2013-12-20 CN CN201320846791.0U patent/CN203596918U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103702267A (en) * | 2013-12-20 | 2014-04-02 | 陈坚胜 | Loudspeaker |
| CN105120409A (en) * | 2014-09-19 | 2015-12-02 | 三星电子株式会社 | Loudspeaker |
| CN105120409B (en) * | 2014-09-19 | 2018-09-14 | 三星电子株式会社 | Loud speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20191220 |