CN203691626U - Horn - Google Patents
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- Publication number
- CN203691626U CN203691626U CN201420069787.2U CN201420069787U CN203691626U CN 203691626 U CN203691626 U CN 203691626U CN 201420069787 U CN201420069787 U CN 201420069787U CN 203691626 U CN203691626 U CN 203691626U
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- voice coil
- loudspeaker
- telescoping tube
- basin
- iron
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Abstract
The utility model provides a horn. The horn comprises a basin frame, a magnetic circuit system installed on the basin frame, a voice coil in a magnetic field installed in the magnetic circuit system, a sound cone connected to the voice coil, a damper used for fixing and connecting the voice coil and the sound cone and a first telescoping tube arranged on an edge of the damper. One end of the first telescoping tube is connected with the damper and the other end is connected with the basin frame. A telescoping direction of the first telescoping tube is consistent with a motion direction of the voice coil. According to the horn of the utility model, the first telescoping tube is arranged on the edge of the damper so that a positive half cycle of horn motion and a negative half cycle keep balance and the voice coil can maintain a good linear operation characteristic. Further, a second telescoping tube is arranged on the edge of the sound cone and good scalability is possessed so that the sound cone can maintain the good linear operation characteristic during large dynamic operation. The second telescoping tube is arranged on a right side or a back side of the sound cone so that a vibration area of the sound cone is not occupied. A low frequency characteristic of the horn is greatly improved and the horn is ensured to possess high-efficiency and high-fidelity working 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 sound dish, R limit is all done very thinly or soft.And adopt and play the fixing design of ripple at voice coil loudspeaker voice coil joint.This R limit and play ripple and all adopt horizontal fixed form, when with hand paper cone for loudspeaker, can find in the process of pressing very easily, and while upwards lifting sound basin in the other direction, but needs could allow sound basin move upward by larger power, and effort more more up.The positive half cycle and the negative half period that is to say loudspeaker motion are unbalanced, and reason is that unbalanced stress will be destroyed the operating state of loudspeaker.Also exist, in the time of the large dynamic operation of loudspeaker unit, owing to being subject to sound basin R limit and playing the significantly dynamic restraining function of ripple mechanical force, cause the nonlinear distortion of sound basin piston movement, its low frequency characteristic is poor.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and a kind of loudspeaker are provided, and makes positive half cycle and the negative half period balance of loudspeaker motion, makes sound basin have good linear working characteristic, 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 first telescoping tube that plays ripple edge, this the first telescoping tube one end connects bullet ripple, other end connection basin frame, the flexible direction of this first telescoping tube is consistent with the direction of motion of voice coil loudspeaker voice coil.
Also comprise the second telescoping tube of being located at sound basin outer peripheral edges, this second telescoping tube is located at front or the back side of sound basin, and the flexible direction of this second telescoping tube is consistent with the direction of motion of sound basin.
Also comprise dust cap and flanging, this dust cap is located at described Yin Pen center, and is positioned at the top of voice coil loudspeaker voice coil; The outer peripheral edges of described basin frame are located in this flanging.
Also comprise plate diaphragm, this plate diaphragm is located at described basin frame top, and this plate diaphragm and basin frame form a seal cavity, and described sound basin is placed in sealing space.
Described the first telescoping tube is V-type bellows, and the lateral cross section of this first telescoping tube is circle or polygon.
Described the second telescoping tube is V-type bellows, and the lateral cross section of this second telescoping tube is circle or polygon.
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 bullet ripple is annular, and its outward flange is fixed on described basin frame by described the first telescoping tube, and inner edges is fixed on the junction of described voice coil loudspeaker voice coil and described sound basin.
The beneficial effects of the utility model: loudspeaker of the present utility model, at the edge that plays ripple, the first telescoping tube is set, make positive half cycle and the negative half period balance of loudspeaker motion, make voice coil loudspeaker voice coil can keep good linear working characteristic, further, at the edge of sound basin, the second telescoping tube is set, there is good retractility, make sound basin can in the time of large dynamic operation, keep good linear working characteristic, and the second telescoping tube is arranged at front or the back side of sound basin, do not take the vibration area of sound basin, improve greatly the low frequency characteristic of loudspeaker, guarantee that loudspeaker have high efficiency, the service behaviour of high-fidelity.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the utility model loudspeaker preferred embodiment;
Fig. 2 is the front view of the first telescoping tube in Fig. 1;
Fig. 3-5 are for being respectively circle, octagon and tetragonal schematic diagram along the cutaway view (i.e. the lateral cross section of the first telescoping tube) of A-A line in Fig. 2;
Fig. 6 is the cutaway view of another embodiment 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.
Refer to shown in Fig. 1-3, the utility model provides a kind of loudspeaker, comprise basin frame 1, be installed on the 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 be located at and play first telescoping tube 41 at ripple 4 edges, these the first telescoping tube 41 one end connect bullet ripple 4, other end connection basin frame 1, this first telescoping tube 41 has the function at the upper free-extension of axial direction (being vertical direction), the flexible direction of this first telescoping tube 41 is consistent with the direction of motion of voice coil loudspeaker voice coil 2, thereby guarantee that voice coil loudspeaker voice coil 2 movement limit is in the axial direction less, positive half cycle that speaker voice coil 2 moves and the balance of negative half period have been guaranteed, improve the low frequency characteristic of loudspeaker.Described the first telescoping tube 41 is V-type bellows, has good expansion performance, guarantees that voice coil loudspeaker voice coil 2 has good linear working characteristic, and when especially voice coil loudspeaker voice coil 2 greatly dynamically moves up and down, its effect is more obvious.In the present embodiment, the lateral cross section of described the first telescoping tube 41 is circular (as shown in Figure 3), is applicable to conventional loudspeaker.In addition, in order to adapt to difform loudspeaker, the lateral cross section of this first telescoping tube 41 can be designed as polygon, as shown in Figures 4 and 5, the lateral cross section of described the first telescoping tube 41 is octagon or quadrangle, is applicable to respectively octangle loudspeaker and quadrangle loudspeaker.
Further, described loudspeaker also comprise the second telescoping tube 31 of being located at sound basin 3 outer peripheral edges, this the second telescoping tube 31 is located at the back side of sound basin 3, this the second telescoping tube 31 one end connect the edge of sound basins 3, and other end connection basin frame 1 avoids taking effective vibration area of sound basin 3, make the loss of the low frequency energy of sound basin 3 drop to minimum, guarantee the low frequency characteristic of sound basin 3, and less for the dynamic restraining function of sound basin 3, guaranteed the effect of tonequality fidelity.The flexible direction of this second telescoping tube 31 is consistent with the direction of motion of sound basin 3, because sound basin 3 is that same, the flexible direction of this second telescoping tube 31 is consistent with the direction of motion of voice coil loudspeaker voice coil 2 along with the motion campaign of voice coil loudspeaker voice coil 2.Described the second telescoping tube 31 is V-type bellows, has good expansion performance, further improves the linear working characteristic of sound basin 3, and when especially sound basin 3 greatly dynamically moves up and down, its effect is more obvious.The lateral cross section of this second telescoping tube 31 is circular, is applicable to conventional loudspeaker.In addition, in order to adapt to difform loudspeaker, the lateral cross section of this second telescoping tube 31 can be designed as polygon, as octagon or quadrangle, is applicable to respectively octangle loudspeaker and quadrangle loudspeaker.
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 the second telescoping tube 31, 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 annular, and its outward flange is fixed on described basin frame 1 by described the first telescoping tube 41, and inner edges is fixed on the junction of described voice coil loudspeaker voice coil 2 and described sound basin 3, on the skeleton 21 of 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 moving left and right at radial direction (being horizontal direction) upper restriction 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, and owing to being provided with first telescoping tube 41 with good expansion performance at bullet ripple 4 edges, make this voice coil loudspeaker voice coil 2 movement limit in the axial direction very little, guarantee the linear movement of voice coil loudspeaker voice coil 2, effectively improve the low frequency characteristic of loudspeaker.
Further, described loudspeaker also comprise dust cap 9 and flanging 11, and this dust cap 9 is located at the center of described sound basin 3, and are positioned at the top of voice coil loudspeaker voice coil 2.This dust cap 9 prevents that dust from entering magnetic gap 786 on the one hand, on the other hand the high frequency response tool of loudspeaker is had certain effect.The outer peripheral edges of described basin frame 1 are located in this flanging 11, to limit the movement position of sound basin 3, guarantee that sound basin 3 moves up and down better.
Shown in Figure 6, be the cutaway view of another embodiment of the utility model, the difference of the present embodiment and last embodiment is, described the second telescoping tube 31 is located at the front of sound basin 3.And described loudspeaker also comprise plate diaphragm 12, this plate diaphragm 12 is located at described basin frame 1 top, and this plate diaphragm 12 forms a seal cavity 121 with basin frame 1, and described sound basin 3 is placed in sealing space 121.In the present embodiment, described loudspeaker do not comprise dust cap and flanging, and described plate diaphragm 12 has the effect of similar dust cap and flanging, can 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.And, can limit the movement position of sound basin 3, guarantee that sound basin 3 moves up and down better, reduce sound basin 3 and cause the possibility of damage in the time of Large Amplitude Motion.In the present embodiment, one end of described the second telescoping tube 31 connects sound basin 3, and the other end connects plate diaphragm 12, avoids equally taking effective vibration area of sound basin 3, makes the loss of the low frequency energy of sound basin 3 drop to minimum.The front that described the second telescoping tube 31 is installed on sound basin 3 has same effect with the back side that is installed on sound basin 3, makes equally sound basin 3 have in the axial direction good linear working characteristic.
In addition, the shape of described basin frame 1 can be selected according to specific needs, can be stepped (as shown in Figure 1) or bowl-shape (as shown in Figure 6), or other arbitrary shape, and therefore not to repeat here.
In sum, loudspeaker of the present utility model, at the edge that plays ripple, the first telescoping tube is set, make positive half cycle and the negative half period balance of loudspeaker motion, make voice coil loudspeaker voice coil can keep good linear working characteristic, further, at the edge of sound basin, the second telescoping tube is set, there is good retractility, make sound basin can in the time of large dynamic operation, keep good linear working characteristic, and the second telescoping tube is arranged at front or the back side of sound basin, do not take the vibration area of sound basin, improve greatly the low frequency characteristic of loudspeaker, guarantee that loudspeaker have high efficiency, the service behaviour of high-fidelity.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.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 first telescoping tube that plays ripple edge, this the first telescoping tube one end connects bullet ripple, other end connection basin frame, the flexible direction of this first telescoping tube is consistent with the direction of motion of voice coil loudspeaker voice coil.
2. loudspeaker as claimed in claim 1, is characterized in that, also comprise the second telescoping tube of being located at sound basin outer peripheral edges, and this second telescoping tube is located at front or the back side of sound basin, and the flexible direction of this second telescoping tube is consistent with the direction of motion of sound basin.
3. loudspeaker as claimed in claim 1 or 2, is characterized in that, also comprise dust cap and flanging, and this dust cap is located at described Yin Pen center, and are positioned at the top of voice coil loudspeaker voice coil; The outer peripheral edges of described basin frame are located in this flanging.
4. loudspeaker as claimed in claim 1 or 2, is characterized in that, also comprise plate diaphragm, and this plate diaphragm is located at described basin frame top, and this plate diaphragm and basin frame form a seal cavity, and described sound basin is placed in sealing space.
5. loudspeaker as claimed in claim 1 or 2, is characterized in that, described the first telescoping tube is V-type bellows, and the lateral cross section of this first telescoping tube is circle or polygon.
6. loudspeaker as claimed in claim 2, is characterized in that, described the second telescoping tube is V-type bellows, and the lateral cross section of this second telescoping tube is circle or polygon.
7. 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.
8. loudspeaker as claimed in claim 7, 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.
9. loudspeaker as claimed in claim 8, 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.
10. loudspeaker as claimed in claim 1, is characterized in that, described bullet ripple is annular, and its outward flange is fixed on described basin frame by described the first telescoping tube, and inner edges is fixed on the junction of described voice coil loudspeaker voice coil and described sound basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069787.2U CN203691626U (en) | 2014-02-18 | 2014-02-18 | Horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069787.2U CN203691626U (en) | 2014-02-18 | 2014-02-18 | Horn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691626U true CN203691626U (en) | 2014-07-02 |
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ID=51013474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420069787.2U Expired - Fee Related CN203691626U (en) | 2014-02-18 | 2014-02-18 | Horn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108834022A (en) * | 2016-01-06 | 2018-11-16 | 常州爱上学教育科技有限公司 | A kind of Hi-Fi sound-box |
-
2014
- 2014-02-18 CN CN201420069787.2U patent/CN203691626U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108834022A (en) * | 2016-01-06 | 2018-11-16 | 常州爱上学教育科技有限公司 | A kind of Hi-Fi sound-box |
| CN108924719A (en) * | 2016-01-06 | 2018-11-30 | 常州爱上学教育科技有限公司 | A kind of Hi-Fi sound-box and its working method |
| CN108966057A (en) * | 2016-01-06 | 2018-12-07 | 常州爱上学教育科技有限公司 | A kind of preferable Hi-Fi sound-box of audio mixing effect and its working method |
| CN108989941A (en) * | 2016-01-06 | 2018-12-11 | 常州爱上学教育科技有限公司 | The preferable Hi-Fi sound-box of audio mixing effect and its working method |
| CN109040901A (en) * | 2016-01-06 | 2018-12-18 | 常州爱上学教育科技有限公司 | A kind of Hi-Fi sound-box of magnetic pole and its composition |
| CN108834022B (en) * | 2016-01-06 | 2019-12-13 | 江西台智电子科技有限公司 | High-fidelity sound box |
| CN108966057B (en) * | 2016-01-06 | 2019-12-20 | 常州爱上学教育科技有限公司 | Sound high-fidelity audio amplifier that sound mixing effect is better |
| CN108989941B (en) * | 2016-01-06 | 2019-12-20 | 常州爱上学教育科技有限公司 | Working method of human voice high-fidelity sound box with good sound mixing effect |
| CN109040901B (en) * | 2016-01-06 | 2019-12-31 | 常州爱上学教育科技有限公司 | Magnetic column and high-fidelity sound box formed by same |
| CN108924719B (en) * | 2016-01-06 | 2019-12-31 | 常州爱上学教育科技有限公司 | Working method of human voice high-fidelity sound box |
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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: 20140702 Termination date: 20200218 |