CN204498369U - Voice coil loudspeaker voice coil and be provided with the loud speaker of this voice coil loudspeaker voice coil - Google Patents
Voice coil loudspeaker voice coil and be provided with the loud speaker of this voice coil loudspeaker voice coil Download PDFInfo
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- CN204498369U CN204498369U CN201520188766.7U CN201520188766U CN204498369U CN 204498369 U CN204498369 U CN 204498369U CN 201520188766 U CN201520188766 U CN 201520188766U CN 204498369 U CN204498369 U CN 204498369U
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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
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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
- H04R9/06—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 utility model discloses a kind of voice coil loudspeaker voice coil and be provided with the loud speaker of this voice coil loudspeaker voice coil, relate to electro-acoustic product technical field, formed by voice coil line coiling, the cross section of described voice coil line is rectangle, the long limit size of described rectangular voice coil line and the ratio of short side dimension are π ~ 4 π, and the bearing of trend on the long limit of described rectangular voice coil line is consistent with the Width of described voice coil loudspeaker voice coil.The utility model voice coil loudspeaker voice coil and the loud speaker being provided with this voice coil loudspeaker voice coil solve the technical problems such as voice coil loudspeaker voice coil coiling difficulty in prior art is large, the utility model voice coil loudspeaker voice coil and be provided with this voice coil loudspeaker voice coil loud speaker in voice coil loudspeaker voice coil coiling difficulty low, coiling efficiency is high, and loudspeaker sensitivity is high, harmonic distortion is little, and acoustical behavior is good.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of voice coil loudspeaker voice coil and be provided with the loud speaker of this voice coil loudspeaker voice coil.
Background technology
Loud speaker is a kind of important acoustic element in portable electric appts, spreads out of for converting the sound wave signal of telecommunication to voice signal, is a kind of energy conversion device.Loud speaker generally includes vibrational system and magnetic circuit system, vibrational system comprises the vibrating diaphragm and voice coil loudspeaker voice coil that combine, wherein voice coil loudspeaker voice coil is the driver part of loud speaker, when alternation tone currents is by voice coil loudspeaker voice coil, voice coil loudspeaker voice coil produces the magnetic field changed with tone currents, the magnetic field of this change and the magnetic field of the magnetic circuit of loudspeaker occur attracting or repel each other and act on, and make voice coil loudspeaker voice coil produce the mechanical oscillation of cutting magnetic line, thus drive diaphragm oscillations and sound.The voice coil line coiling that existing voice coil loudspeaker voice coil is circle by shape of cross section usually forms, but all there is larger gap between the shaping rear adjacent tone astragal of the voice coil loudspeaker voice coil coiling of this kind of structure, make voice coil loudspeaker voice coil can not utilize the energy in magnetic field fully, the plot ratio of voice coil loudspeaker voice coil is low, thus cause the poor sensitivity of loud speaker, the heat-sinking capability difference etc. of voice coil loudspeaker voice coil.
For the problem that above-mentioned cross section is circular voice coils line, current existing solution is for using cross section to be foursquare voice coil line coiling voice coil loudspeaker voice coil, cross section be foursquare voice coil line be applied in the plot ratio that can improve voice coil loudspeaker voice coil to a certain extent, improve heat-sinking capability etc., but because cross section is square, the height of the voice coil loudspeaker voice coil of coiling and width are all directly proportional to the foursquare length of side, this is for adjusting sensitivity and THD (TotalHarmonic Distortion simultaneously, harmonic distortion) there is certain drawback, just require that cross section is that foursquare voice coil line must possess the larger length of side as used the method increasing voice coil loudspeaker voice coil height to the symmetry improving Bl (x) (acting on the magnetic field energy on voice coil loudspeaker voice coil), but the length of side increases also can increase voice coil loudspeaker voice coil width simultaneously, thus increase magnetic gap, reduce product sensitivity.
For the problem that above-mentioned cross section is square voice coil line, it is the voice coil loudspeaker voice coil 10a of rectangular voice coil line coiling by cross section that technical staff proposes a kind of, as shown in Figure 2, the long limit size of this rectangular voice coil line and the ratio A/B of short side dimension are less than π, wherein π=3.1415926, the width W of voice coil loudspeaker voice coil 10a is made up of the minor face of voice coil line, and height H is made up of the long limit of voice coil line.This kind of voice coil line makes the height of voice coil loudspeaker voice coil and width can well be balanced when designing and adjust by the length-width ratio of adjustment rectangular voice coil line on applying.But this kind of voice coil line voice coil line in coiling voice coil loudspeaker voice coil process easily rotates, as shown in Figure 1, thus cause around voice coil line arrangement abnormal, the voice coil loudspeaker voice coil that coiling goes out is irregular; And voice coil loudspeaker voice coil 10a is formed by four layers of voice coil line 12a coiling, the voice coil loudspeaker voice coil number of plies is too much, and the position voice coil line of changing layer in voice coil line just more easily rotates, and coiling difficulty is larger.
Utility model content
For above defect, first technical problem to be solved in the utility model is to provide a kind of voice coil loudspeaker voice coil, and the voice coil line of this voice coil loudspeaker voice coil can not rotate when coiling, and coiling difficulty is low, and production efficiency is high; Gap simultaneously between adjacent tone astragal is little, and the plot ratio of voice coil loudspeaker voice coil is high, perfect heat-dissipating, and the height of this voice coil loudspeaker voice coil and width can well be balanced when designing and adjust simultaneously.
Based on an inventive concept, second technical problem to be solved in the utility model is to provide a kind of loud speaker, and the voice coil loudspeaker voice coil coiling difficulty of this loud speaker is low, and highly sensitive, and the acoustical behavioies such as the THD of product more easily adjust.
For solving above-mentioned first technical problem, the technical solution of the utility model is:
A kind of voice coil loudspeaker voice coil, formed by voice coil line coiling, the cross section of described voice coil line is rectangle, and the long limit size of described rectangular voice coil line and the ratio of short side dimension are π ~ 4 π, and the bearing of trend on the long limit of described rectangular voice coil line is consistent with the Width of described voice coil loudspeaker voice coil.
As a kind of execution mode, the long limit size of described rectangular voice coil line and the ratio of short side dimension are π.
Wherein, the width of described voice coil loudspeaker voice coil is 2 times of the long limit size of described rectangular voice coil line.
As another kind of execution mode, the long limit size of described rectangular voice coil line and the ratio of short side dimension are 4 π.
Wherein, the width of described voice coil loudspeaker voice coil is equal with the long limit size of described rectangular voice coil line.
As another execution mode, four bights of described rectangular voice coil line are equipped with circular arc chamfering.
Wherein, the radius of described circular arc chamfering is less than or equal to 1/2 of the short side dimension of described rectangular voice coil line.
Wherein, described voice coil line is enamelled wire.
For solving above-mentioned second technical problem, the technical solution of the utility model is:
A kind of loud speaker, involving vibrations system and magnetic circuit system, described vibrational system comprises the vibrating diaphragm and voice coil loudspeaker voice coil that combine, and described voice coil loudspeaker voice coil is above-mentioned voice coil loudspeaker voice coil.
After have employed technique scheme, the beneficial effects of the utility model are:
Because the utility model voice coil loudspeaker voice coil is that rectangular voice coil line coiling forms by cross section, the long limit size of rectangular voice coil line and the ratio of short side dimension are π ~ 4 π, and the bearing of trend on the long limit of rectangular voice coil line is consistent with the Width of voice coil loudspeaker voice coil.The long limit size of voice coil line and the ratio of short side dimension are that π ~ 4 π makes the long limit of voice coil line and minor face more easily distinguish, and the phenomenon that wire rod rotates can not occur in the process of coiling voice coil loudspeaker voice coil, reduce the difficulty of coiling; And the width of voice coil loudspeaker voice coil is made up of the long limit of voice coil line, the voice coil line number of plies of voice coil loudspeaker voice coil can be reduced to two-layer or one deck by existing four layers, further reduces the difficulty of coiling, improves the efficiency of voice coil loudspeaker voice coil coiling, and bonding force between adjacent tone astragal is larger.Also have gap between adjacent voice coil line little, the plot ratio of voice coil loudspeaker voice coil is high simultaneously, can utilize the magnetic field intensity shared by whole voice coil loudspeaker voice coil fully, greatly can improve the sensitivity of loud speaker; And the heat dispersion of voice coil loudspeaker voice coil is better; Height and the width of voice coil loudspeaker voice coil can also be adjusted flexibly by the ratio on the long limit and minor face that adjust rectangular voice coil line, while improving loud speaker THD flexibly, the width of voice coil loudspeaker voice coil can not be affected, also can not affect the width of magnetic gap simultaneously, the advantage of the acoustical behavior of loud speaker can be improved greatly.
Because the long limit size of rectangular voice coil line and the ratio of short side dimension are π, now cross section is that can to obtain the diameter cross section identical with rectangular voice coil line short side dimension be the cross-sectional area that circular voice coil line is consistent to rectangular voice coil line, under identical voice coil loudspeaker voice coil resistance, rectangular voice coil line has less coiling number of plies, thus making the design of voice coil loudspeaker voice coil easier, coiling difficulty is lower.Simultaneously when the long limit size of voice coil line and the ratio of short side dimension are π, in voice coil line in the utility model and prior art, the ratio of long limit size and short side dimension is 4/ π, and the voice coil line that the long limit of this voice coil line is of a size of the short side dimension 2 times of voice coil line in the utility model is compared, under identical voice coil loudspeaker voice coil resistance, the two will have the same voice coil line length, voice coil loudspeaker voice coil height and voice coil loudspeaker voice coil weight, identical acoustical behavior can be obtained, but the utility model voice coil line in voice coil loudspeaker voice coil winding process can not rotate, coiling is easier, and coiling efficiency is higher.
Because the long limit size of rectangular voice coil line and the ratio of short side dimension are 4 π, now cross section is that can to obtain diameter be the cross section of rectangular voice coil line short side dimension 2 times to rectangular voice coil line is the cross-sectional area that circular voice coil line is consistent, under identical voice coil loudspeaker voice coil resistance, rectangular voice coil line has less coiling number of plies, thus making the design of voice coil loudspeaker voice coil easier, coiling difficulty is lower.
Voice coil loudspeaker voice coil due to the utility model loud speaker is above-mentioned voice coil loudspeaker voice coil, and the coiling difficulty of voice coil loudspeaker voice coil is low, and coiling efficiency is high, ensureing the comparatively high-intensity magnetic field intensity that voice coil loudspeaker voice coil obtains, the while of carrying highly sensitive, the easier height to voice coil loudspeaker voice coil and width can adjust, ensure that the THD of product.
In sum, the utility model voice coil loudspeaker voice coil and the loud speaker being provided with this voice coil loudspeaker voice coil solve the technical problems such as voice coil loudspeaker voice coil coiling difficulty in prior art is large, the utility model voice coil loudspeaker voice coil and be provided with this voice coil loudspeaker voice coil loud speaker in voice coil loudspeaker voice coil coiling difficulty low, coiling efficiency is high, and loudspeaker sensitivity is high, harmonic distortion is little, and acoustical behavior is good.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the voice coil line rotation phenomenon of appearance in prior art in voice coil loudspeaker voice coil winding process;
Fig. 2 is the structural representation of voice coil loudspeaker voice coil in prior art;
Fig. 3 is the structural representation of the utility model embodiment one voice coil loudspeaker voice coil;
Fig. 4 is the structural representation of the utility model embodiment two voice coil loudspeaker voice coil;
Fig. 5 is the structural representation of the utility model embodiment three voice coil loudspeaker voice coil;
In figure: 10a, voice coil loudspeaker voice coil, 10b, voice coil loudspeaker voice coil, 10c, voice coil loudspeaker voice coil, 10d, voice coil loudspeaker voice coil, 12a, voice coil line, 12b, voice coil line, 12c, voice coil line, 12d, voice coil line, A, A ', A ", the length of voice coil line; B, B ', B ", the width of voice coil line, W, W ', W ", the width of voice coil loudspeaker voice coil, H, H ', H ", the height of voice coil loudspeaker voice coil.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
Embodiment one:
As shown in Figure 3, a kind of voice coil loudspeaker voice coil, voice coil loudspeaker voice coil 10b is formed by voice coil line 12b coiling, and the cross section of voice coil line 12b is rectangle.The bearing of trend on the long limit of voice coil line 12b is consistent with the Width of voice coil loudspeaker voice coil 10b, i.e. the width W ' be made up of the long limit of voice coil line 12b of voice coil loudspeaker voice coil 10b, the height H of voice coil loudspeaker voice coil 10b ' be made up of the minor face of voice coil line 12b.If the length of rectangular voice coil line (long limit size) is A ', width (short side dimension) is B ', the long limit size of voice coil line 10b and the ratio of short side dimension are π ~ 4 π, i.e. A '/B '=π ~ 4 π, present embodiment is preferably A '/B '=π.As A '/B '=π, the cross-sectional area that to be the cross section of B ' be circular voice coil line that now voice coil line 12b can obtain with diameter is consistent, under identical voice coil loudspeaker voice coil resistance, voice coil loudspeaker voice coil 10b has less coiling number of plies, thus making the design of voice coil loudspeaker voice coil easier, coiling difficulty is lower.Simultaneously, compared with the voice coil line of A/B=4/ π, A=2B in prior art ' (as shown in Figure 2), under identical voice coil loudspeaker voice coil resistance, the two will have the same voice coil line length, voice coil loudspeaker voice coil height and voice coil loudspeaker voice coil weight, identical acoustical behavior can be obtained, but the utility model voice coil line in voice coil loudspeaker voice coil winding process can not rotate, coiling is easier, and coiling efficiency is higher.
As shown in Figure 3,2 times of the width W of voice coil loudspeaker voice coil 10b ' the be long limit size A ' of voice coil line 12b, namely voice coil loudspeaker voice coil 10b is formed by two-layer voice coil line 12b coiling, and the coiling number of plies is half of the prior art, effectively reduce the difficulty of voice coil loudspeaker voice coil coiling, improve the efficiency of voice coil loudspeaker voice coil coiling.
As shown in Figure 3, voice coil line 12b is enamelled wire, comprises and is positioned at inner side for the bullion core conducted electricity and the insulating barrier being wrapped in metal-cored periphery.
Embodiment two:
As shown in Figure 4, present embodiment is substantially identical with embodiment one, and its difference is:
Voice coil loudspeaker voice coil 10c is formed by voice coil line 12c coiling, the bearing of trend on the long limit of voice coil line 12c is consistent with the Width of voice coil loudspeaker voice coil 10c, the i.e. width W of voice coil loudspeaker voice coil 10c " is made up of the long limit of voice coil line 12c; the height H of voice coil loudspeaker voice coil 10c " is made up of the minor face of voice coil line 12c, the long limit size of voice coil line and the ratio of short side dimension are 4 π, i.e. A "/B "=4 π." equal with the long limit size A ' of voice coil line 12c, namely voice coil loudspeaker voice coil 10c is formed by a two-layer voice coil line 12c coiling width W of voice coil loudspeaker voice coil 10c.
Present embodiment is compared with embodiment one, and the length-width ratio of voice coil line further strengthens, and makes the coiling number of plies of voice coil loudspeaker voice coil be reduced to one deck by two-layer, thus the voice coil loudspeaker voice coil coiling of present embodiment is easier, and coiling efficiency is higher.
Embodiment three:
As shown in Figure 5, present embodiment is all substantially identical with embodiment two with embodiment one, and its difference is:
Voice coil loudspeaker voice coil 10d is formed by voice coil line 12d coiling, and four bights of voice coil line 12d are equipped with circular arc chamfering, and the radius of circular arc chamfering is less than or equal to 1/2 of the short side dimension of voice coil line 12d.
The setting of circular arc chamfering can ensure that outside voice coil line, glue-line coating is evenly, firmly bonding between adjacent voice coil line, can also increase the aesthetics of voice coil loudspeaker voice coil profile simultaneously.
Present embodiment only gives the accompanying drawing of the execution mode substantially identical with embodiment two, accompanying drawing technical staff due to the execution mode substantially identical with embodiment one does not need to pay creative work according to Fig. 3 and Fig. 5 and can draw, therefore the accompanying drawing of the execution mode substantially identical with embodiment one omits at this.
Embodiment four:
A kind of loud speaker, involving vibrations system and magnetic circuit system, vibrational system comprises the vibrating diaphragm and voice coil loudspeaker voice coil that combine.Voice coil loudspeaker voice coil is embodiment one, embodiment two and the voice coil loudspeaker voice coil described in embodiment three.
Because the utility model loud speaker have employed the voice coil loudspeaker voice coil described in embodiment one, embodiment two and embodiment three, the coiling difficulty of voice coil loudspeaker voice coil is low, coiling efficiency is high, ensureing the comparatively high-intensity magnetic field intensity that voice coil loudspeaker voice coil obtains, the while of carrying highly sensitive, the easier height to voice coil loudspeaker voice coil and width can adjust, ensure that the THD of product.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection range of the present utility model.
Claims (9)
1. voice coil loudspeaker voice coil, formed by voice coil line coiling, the cross section of described voice coil line is rectangle, it is characterized in that, the long limit size of described rectangular voice coil line and the ratio of short side dimension are π ~ 4 π, and the bearing of trend on the long limit of described rectangular voice coil line is consistent with the Width of described voice coil loudspeaker voice coil.
2. voice coil loudspeaker voice coil according to claim 1, is characterized in that, the long limit size of described rectangular voice coil line and the ratio of short side dimension are π.
3. voice coil loudspeaker voice coil according to claim 2, is characterized in that, the width of described voice coil loudspeaker voice coil is 2 times of the long limit size of described rectangular voice coil line.
4. voice coil loudspeaker voice coil according to claim 1, is characterized in that, the long limit size of described rectangular voice coil line and the ratio of short side dimension are 4 π.
5. voice coil loudspeaker voice coil according to claim 4, is characterized in that, the width of described voice coil loudspeaker voice coil is equal with the long limit size of described rectangular voice coil line.
6. the voice coil loudspeaker voice coil according to the arbitrary claim of claim 1 to 5, is characterized in that, four bights of described rectangular voice coil line are equipped with circular arc chamfering.
7. voice coil loudspeaker voice coil according to claim 6, is characterized in that, the radius of described circular arc chamfering is less than or equal to 1/2 of the short side dimension of described rectangular voice coil line.
8. voice coil loudspeaker voice coil according to claim 1, is characterized in that, described voice coil line is enamelled wire.
9. loud speaker, involving vibrations system and magnetic circuit system, described vibrational system comprises the vibrating diaphragm and voice coil loudspeaker voice coil that combine, it is characterized in that, described voice coil loudspeaker voice coil is the voice coil loudspeaker voice coil described in the arbitrary claim of claim 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188766.7U CN204498369U (en) | 2015-03-31 | 2015-03-31 | Voice coil loudspeaker voice coil and be provided with the loud speaker of this voice coil loudspeaker voice coil |
| PCT/CN2015/096959 WO2016155352A1 (en) | 2015-03-31 | 2015-12-10 | Voice coil and speaker provided with voice coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188766.7U CN204498369U (en) | 2015-03-31 | 2015-03-31 | Voice coil loudspeaker voice coil and be provided with the loud speaker of this voice coil loudspeaker voice coil |
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| Publication Number | Publication Date |
|---|---|
| CN204498369U true CN204498369U (en) | 2015-07-22 |
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| CN201520188766.7U Active CN204498369U (en) | 2015-03-31 | 2015-03-31 | Voice coil loudspeaker voice coil and be provided with the loud speaker of this voice coil loudspeaker voice coil |
Country Status (2)
| Country | Link |
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| CN (1) | CN204498369U (en) |
| WO (1) | WO2016155352A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105188002A (en) * | 2015-09-28 | 2015-12-23 | 歌尔声学股份有限公司 | Voice coil line, voice coil wound with voice coil line and loudspeaker provided with voice coil |
| WO2016155352A1 (en) * | 2015-03-31 | 2016-10-06 | 歌尔声学股份有限公司 | Voice coil and speaker provided with voice coil |
| CN109327775A (en) * | 2018-10-17 | 2019-02-12 | 美特科技(苏州)有限公司 | Special-shaped voice coil and loudspeaker, the electronic equipment for using it |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935402A (en) * | 1973-07-25 | 1976-01-27 | Ohm Acoustics Corporation | Loudspeaker voice coil arrangement |
| GB2125652A (en) * | 1982-06-01 | 1984-03-07 | Harman Int Ind | Loudspeaker voice coil |
| CN201319666Y (en) * | 2008-11-14 | 2009-09-30 | 瑞声声学科技(常州)有限公司 | Voice coil |
| CN204498369U (en) * | 2015-03-31 | 2015-07-22 | 歌尔声学股份有限公司 | Voice coil loudspeaker voice coil and be provided with the loud speaker of this voice coil loudspeaker voice coil |
-
2015
- 2015-03-31 CN CN201520188766.7U patent/CN204498369U/en active Active
- 2015-12-10 WO PCT/CN2015/096959 patent/WO2016155352A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155352A1 (en) * | 2015-03-31 | 2016-10-06 | 歌尔声学股份有限公司 | Voice coil and speaker provided with voice coil |
| CN105188002A (en) * | 2015-09-28 | 2015-12-23 | 歌尔声学股份有限公司 | Voice coil line, voice coil wound with voice coil line and loudspeaker provided with voice coil |
| WO2017054315A1 (en) * | 2015-09-28 | 2017-04-06 | 歌尔声学股份有限公司 | Voice coil wire, voice coil wound by voice coil wire, and loudspeaker provided with the voice coil |
| US10462575B2 (en) | 2015-09-28 | 2019-10-29 | Goertek Inc. | Voice coil wire, voice coil wound by the voice coil wire, and loudspeaker provided with the voice coil |
| CN109327775A (en) * | 2018-10-17 | 2019-02-12 | 美特科技(苏州)有限公司 | Special-shaped voice coil and loudspeaker, the electronic equipment for using it |
| CN109327775B (en) * | 2018-10-17 | 2021-03-26 | 美特科技(苏州)有限公司 | Special-shaped voice coil and loudspeaker and electronic equipment using same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016155352A1 (en) | 2016-10-06 |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |