CN109743663B - Double-tone loudspeaker and earphone - Google Patents
Double-tone loudspeaker and earphone Download PDFInfo
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- CN109743663B CN109743663B CN201910233935.7A CN201910233935A CN109743663B CN 109743663 B CN109743663 B CN 109743663B CN 201910233935 A CN201910233935 A CN 201910233935A CN 109743663 B CN109743663 B CN 109743663B
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- 238000007789 sealing Methods 0.000 claims description 12
- 230000008054 signal transmission Effects 0.000 claims description 11
- 230000005290 antiferromagnetic effect Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 19
- 230000000694 effects Effects 0.000 description 13
- 239000003292 glue Substances 0.000 description 5
- 239000012212 insulator Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002889 diamagnetic material Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Abstract
The invention belongs to the technical field of audio playing, and particularly discloses a double-tone loudspeaker and an earphone, which comprise a loudspeaker cavity, wherein the big end of the loudspeaker cavity is provided with a circular groove, and the small end of the loudspeaker cavity is provided with a containing cavity coaxial with the circular groove; the bottom surface of the circular groove is annular, the inner ring diameter of the bottom surface of the circular groove is consistent with the inner diameter of the accommodating cavity, a fan-shaped hole is formed in the bottom surface of the circular groove, a PC board is arranged in the fan-shaped hole, the PC board is matched with the fan-shaped hole, a plurality of low-tone adjusting cavities are uniformly distributed on the bottom surface of the circular groove, and gaps are reserved among the side surfaces of the circular groove, the outer wall of the accommodating cavity and the fan-shaped hole; the voice coil is arranged in the accommodating cavity in a clearance fit manner, the magnet is arranged in the voice coil in a clearance fit manner, one side of the accommodating cavity is flush with the bottom surface of the circular groove, the other side of the accommodating cavity is fixedly connected with the magnet, and the outer surface of the other side of the accommodating cavity is flush with the outer surface of the magnet.
Description
Technical Field
The invention belongs to the technical field of audio playing, and particularly relates to a double-tone loudspeaker and an earphone.
Background
With the increase of personal and family electronic products, listening to audio becomes the people's leisure of work, and the mood is relaxed, a mode of relieving pressure makes people release at the best of work, enjoy the life, simultaneously, along with the continuous pursuit of people to high quality life, people also require higher and higher to earphone's tone quality, the common earphone and loudspeaker in market divide into three kinds of independent separated loudspeaker of high, middle and low according to the frequency, the vibrating diaphragm vibration that links to it by the voice coil drive that is in permanent magnetic field sends out sound, the sound generally pursues the balanced sound effect of three frequencies, however the diversified type of music wind in market at present, ordinary earphone and loudspeaker embody abundant sound details, can't accomplish high, middle and low three frequency equilibrium, can only stand out an intermediate frequency or low frequency, consequently, can't satisfy present consumer's demand to the sound effect.
Disclosure of Invention
In order to solve the problem that the traditional loudspeaker or earphone only can highlight one medium frequency or low frequency and cannot realize balanced sound production of high, medium and low frequencies, the invention provides a natural double-tuning loudspeaker and earphone device with distinct medium and high sound layers and obvious bass sound production.
Based on the above purpose, the invention is realized by the following technical scheme:
a double tone loudspeaker comprises a loudspeaker cavity, wherein the big end of the loudspeaker cavity is provided with a circular groove, and the small end of the loudspeaker cavity is provided with a containing cavity coaxial with the circular groove; the bottom surface of the circular groove is annular, the inner ring diameter of the bottom surface of the circular groove is consistent with the inner diameter of the accommodating cavity, a fan-shaped hole is formed in the bottom surface of the circular groove, a PC board is arranged in the fan-shaped hole, the PC board is matched with the fan-shaped hole, a plurality of low-tone adjusting cavities are uniformly distributed on the bottom surface of the circular groove, and gaps are reserved among the side surfaces of the circular groove, the outer wall of the accommodating cavity and the fan-shaped hole; the voice coil is arranged in the accommodating cavity in a clearance fit manner, the magnet is arranged in the voice coil in a clearance fit manner, one side of the accommodating cavity is flush with the bottom surface of the circular groove, the other side of the accommodating cavity is fixedly connected with the magnet, and the outer surface of the other side of the accommodating cavity is flush with the outer surface of the magnet; an L-shaped groove is formed in the side face of the circular groove, a vibrating diaphragm is sleeved on the L-shaped groove, and the vibrating diaphragm is fixedly connected with one end of the voice coil; the magnet is provided with a middle and high tone cavity of the magnet which is coaxial with the magnet; the outer surfaces of the plurality of bass adjusting cavities are provided with sector ring type bass paper, and the bass paper seals the plurality of bass adjusting cavities; the outer surface of the middle and high tone cavity of the magnet is provided with middle and high tone adjusting paper, and the middle and high tone adjusting paper seals the middle and high tone cavity of the magnet; the PC board is provided with a signal transmission board, and the voice coil is connected with the signal transmission board through a connecting wire.
Preferably, a washer is arranged between the magnet and the vibrating diaphragm; the washer is sleeved in the voice coil, a gap is reserved between the washer and the voice coil as well as between the washer and the vibrating diaphragm, the washer and the magnet are coaxial, and the washer and the magnet are fixedly connected.
Preferably, the washer is provided with a washer middle treble cavity coaxial with the washer, and the diameter of the washer middle treble cavity is the same as that of the magnet middle treble cavity.
Preferably, the outer surface of the circular groove is provided with an L-shaped raised annular groove.
Preferably, the L-shaped groove is sleeved with a fixing ring, the fixing ring is arranged on the outer side of the vibrating diaphragm, and the fixing ring is fixedly connected with the L-shaped groove.
Preferably, the retaining ring is provided as an antiferromagnetic metal material.
Preferably, a sealing ring is arranged on the outer surface of the magnet, and the sealing ring is fixed on a gap between the magnet at the bottom end of the accommodating cavity and the accommodating cavity.
Preferably, both the horn cavity and the sealing ring are provided as insulators.
The invention also provides an earphone comprising the double-tuning loudspeaker, which further comprises an earphone shell, wherein the double-tuning loudspeaker is arranged in the earphone shell; the earphone shell is provided with a sound outlet channel which is communicated with the outside and the double-tone loudspeaker; the sound outlet surface of the diaphragm is opposite to the sound outlet channel.
Compared with the prior art, the invention has the following beneficial effects:
(1) Through be equipped with fan ring type hole on the circular recess of loudspeaker cavity, be equipped with signal transmission board on the PC board, make the connecting wire pass through fan ring type hole and voice coil connection, the PC board is sealed on fan ring type hole with the sealing gum adhesion, play the effect of hidden connecting wire, voice coil one end is fixed on the vibrating diaphragm, the sound production is more accurate, the vibrating diaphragm is more accurate, L type groove plays the effect of fixed vibrating diaphragm position, design a plurality of low pitch section cavities that evenly arrange and the low tone paper of certain density of rear side seal, make the bass effect reach the vibrating diaphragm through low tone regulation cavity only, reach balanced bass effect, the high tone cavity in magnet is coaxial with the voice coil, make the medium and high tone sound through the medium and high tone cavity in magnet sound production more accurate all around the vibrating diaphragm, the medium and high tone tuning paper of certain density is sealed in the high tone cavity rear side in magnet, make the medium and high tone layer distinct, the sound feeling is brought, the amplitude size when controlling the vibrations, change the density thin thickness of cloth, the elasticity degree of adjusting the vibrating diaphragm makes the sound vibration, thereby the tone effect that the vibrating diaphragm reaches ideal tone quality is reached.
(2) Washer and magnet cooperation form even magnetic field, combine with the voice coil loudspeaker voice coil, make loudspeaker obtain higher sensitivity and lower distortion, increase the tone quality of loudspeaker, through fixed washer and magnet of fixed gum, prevent washer and magnet and drop, influence tone quality.
(3) The middle and high tone cavities of the washer and the middle and high tone cavities of the magnet are combined to form a middle and high tone cavity, a transmission channel for middle and high tones is formed, the middle and high tones reach the vibrating diaphragm, and the middle and high tone color is displayed.
(4) The annular groove has the functions of enabling the periphery of the back of the circular groove to be provided with the bulges, protecting the low-pitch sound paper on the back, prolonging the service life of the loudspeaker and reducing the use cost.
(5) The fixed ring is used for preventing the vibration film from loosening caused by long-term vibration at the outermost side during sounding, prolonging the service life of the loudspeaker and reducing the use cost.
(6) The fixed ring is made of diamagnetic material, so that the fixed ring can be prevented from being magnetized, the influence on the vibrating diaphragm is reduced, and the quality of low, medium and high tones of the product is improved.
(7) The sealing ring plays to prevent that sound from spilling over from loudspeaker rear side, guarantees loudspeaker sound transmission direction, guarantees loudspeaker quality.
(8) The loudspeaker cavity and the sealing ring are both arranged as insulators, so that current and magnet in the loudspeaker cavity are prevented from acting on the loudspeaker cavity and the sealing ring, and the influence on the vibrating diaphragm on the loudspeaker is reduced.
(9) Through the design of the earphone shell, the invention is arranged in the earphone shell, and the earphone has all functions of the double-tone loudspeaker, so that the earphone with complete three-frequency equalization is formed.
In summary, the traditional loudspeaker is designed into a double tuning system, the designed medium-high pitch cavity and the designed low pitch cavity are combined with the medium-high pitch paper and the low pitch paper, so that the loudspeaker can embody the sound effect of three-frequency balance, the effects of the medium-high pitch paper and the low pitch paper can be regulated by setting the densities of the medium-high pitch paper and the low pitch paper, different requirements are met, then the amplitude of the loudspeaker diaphragm during vibration is controlled, the density and the thickness of tuning cloth are changed, the elasticity of the diaphragm is regulated, the sound can vibrate freely, different sound effects are brought, after final tuning, the effects of distinct medium-high pitch layers and natural three-frequency connection are achieved, and finally the ideal sound quality is brought.
Drawings
FIG. 1 is an exploded view of example 1;
FIG. 2 is a schematic diagram of a structure of a dual tone horn of the present invention;
fig. 3 is an exploded view of embodiment 2. .
In the figure, 1, a vibrating diaphragm, 2, a voice coil, 3, a washer, 4, a magnet, 5, a loudspeaker cavity, 6, a PC board, 7, low-tone sound paper, 8, medium-high tone sound paper, 9, a medium-high tone cavity of the washer, 10, a medium-high tone cavity of the magnet, 11, a medium-high tone cavity, 12, a low-tone cavity, 13 and a fan-shaped hole.
Detailed Description
The present invention will be described in further detail by way of the following specific examples, which are not intended to limit the scope of the present invention.
Example 1:
the structure of the double tone loudspeaker is shown in fig. 1 and 2, the big end of the loudspeaker cavity 5 is provided with a circular groove, and the small end is provided with a containing cavity coaxial with the circular groove; the bottom surface of the circular groove is annular, the inner ring diameter of the bottom surface of the circular groove is consistent with the inner diameter of the accommodating cavity, a fan-shaped hole 13 is formed in the bottom surface of the circular groove, a PC board 6 is arranged in the fan-shaped hole 13, the PC board 6 is matched with the fan-shaped hole 13, a plurality of low-tone adjusting cavities 12 are uniformly distributed on the bottom surface of the circular groove, and gaps are reserved among the plurality of low-tone adjusting cavities 12, the side surface of the circular groove, the outer wall of the accommodating cavity and the fan-shaped hole 13; the voice coil 2 is sleeved in the accommodating cavity, the voice coil 2 is in clearance fit with the accommodating cavity, the magnet 4 is sleeved in the voice coil 2, the magnet 4 is in clearance fit with the voice coil 2, one side of the accommodating cavity is flush with the bottom surface of the circular groove, the other side of the accommodating cavity is fixedly connected with the magnet 4, and the outer surface of the other side of the accommodating cavity is flush with the outer surface of the magnet 4; an L-shaped groove is formed in the side face of the circular groove, a vibrating diaphragm 1 is sleeved on the L-shaped groove, and the vibrating diaphragm 1 is fixedly connected with one end of a voice coil 2; the magnet 4 is provided with a magnet middle-high tone cavity 10 coaxial with the magnet 4; the outer surfaces of the plurality of bass adjusting cavities 12 are provided with sector ring type bass tuning paper 7, and the bass tuning paper 7 seals the plurality of bass adjusting cavities 12; the middle and high pitch adjusting paper 8 is arranged outside the middle and high pitch cavity 10 of the magnet, and the middle and high pitch adjusting paper 8 seals the middle and high pitch cavity 10 of the magnet; the PC board 6 is provided with a signal transmission board, and the voice coil 2 is connected with the signal transmission board through a connecting wire.
A washer 3 is arranged between the magnet 4 and the vibrating diaphragm 1; the washer 3 is sleeved in the voice coil 2, a gap is reserved between the washer 3 and the voice coil 2 as well as between the washer 3 and the vibrating diaphragm 1, the washer 3 and the magnet 4 are coaxial, and the washer 3 and the magnet 4 are fixedly connected; the washer 3 is provided with a washer middle and high pitch cavity 9 coaxial with the washer 3, and the diameter of the washer middle and high pitch cavity 9 is the same as that of the magnet middle and high pitch cavity 10.
The back of the circular groove is provided with an L-shaped raised annular groove; the L-shaped groove is sleeved with a fixing ring, the fixing ring is arranged on the outer side of the vibrating diaphragm, and the fixing ring is fixedly connected with the L-shaped groove; the fixed ring is made of an antiferromagnetic metal material; a sealing ring is arranged outside the magnet 4 and is fixed on a gap between the magnet 4 at the bottom end of the accommodating cavity and the accommodating cavity; both the horn cavity 5 and the sealing ring are provided as insulators.
An earphone comprises a double-tone loudspeaker and an earphone shell, wherein the double-tone loudspeaker is arranged in the earphone shell; the earphone shell is provided with a sound outlet channel which is communicated with the outside and the double-tone loudspeaker; the sound outlet surface of the diaphragm 1 is opposite to the sound outlet channel.
Magnet 4 is fixed in holding the intracavity, magnet 4 is fixed in holding the chamber bottom with fixed glue, and flush with holding the chamber bottom, washer 3 uses fixed glue to fix on magnet 4, washer 3 and magnet 4 are coaxial, voice coil 2 uses fixed glue adhesion on vibrating diaphragm 1, voice coil 2 and vibrating diaphragm 1 are coaxial, make voice coil 2 remove the clearance between magnet 4 and the holding the chamber in, at this moment, vibrating diaphragm 1 falls on L type tank bottom, use fixed ring fixed vibrating diaphragm 1 to L type groove, use bass tone paper 7 to seal a plurality of bass tone section cavitys 12 completely, make the sound bass under bass tone tuning paper 7 regulation obvious, use well treble tone tuning paper 8 to seal well treble cavity 10 in the magnet completely, the sound demonstrates well treble effect, be equipped with PC board 6 on the fan ring type hole 13, be equipped with the signal transmission board on the PC board 6, the outside loudspeaker line is connected to the signal transmission board, the connecting wire passes through fan ring type hole 13 and connects voice coil 2, through the size of electric current, make 1 send different sound, PC board 6 is fixed on fan type hole 13, therefore, can hide the vibrating diaphragm 1, the space is more accurate, and is more closed.
Example 2:
the utility model provides a double tone loudspeaker, its structure is as shown in figure 2, figure 3, magnet 4 is fixed in holding the intracavity, magnet 4 is fixed in holding the chamber bottom with fixed glue, and with holding the chamber bottom and flush, voice coil 2 uses fixed glue adhesion on vibrating diaphragm 1, voice coil 2 and vibrating diaphragm 1 coaxial center, make voice coil 2 remove to magnet 4 and hold the clearance between the chamber in, at this moment, vibrating diaphragm 1 just falls on L type groove tank bottom, use fixed ring fixed vibrating diaphragm 1 to L type groove, use low tone sound paper 7 to seal completely on a plurality of low tone pitch section cavitys 12, make the sound be obvious under low tone sound paper 7 regulation, high tone sound paper 8 seals completely in the magnet the high tone hole cavity 10 in the use, the sound shows the high tone effect in, be equipped with PC board 6 on the fan ring type hole 13, be equipped with the signal transmission board on the PC board 6, the outside loudspeaker line is connected to the signal transmission board, the connecting wire passes through fan ring type hole 13 and connects the voice coil 2, through the size of electric current, make vibrating diaphragm 1 send different sound, PC board 6 is fixed on fan ring type hole 13, therefore, can hide the space of sound 1 more accurately, it is more closed to hide the vibrating diaphragm.
Claims (6)
1. The double-tone loudspeaker comprises a loudspeaker cavity (5), and is characterized in that the big end of the loudspeaker cavity (5) is provided with a circular groove, and the small end is provided with a containing cavity coaxial with the circular groove; the bottom surface of the circular groove is annular, the inner ring diameter of the bottom surface of the circular groove is consistent with the inner diameter of the accommodating cavity, a fan-shaped hole (13) is formed in the bottom surface of the circular groove, a PC board (6) is arranged in the fan-shaped hole (13), the PC board (6) is matched with the fan-shaped hole (13), a plurality of bass adjusting cavities (12) are uniformly distributed on the bottom surface of the circular groove, and gaps are reserved among the side surfaces of the circular groove, the outer wall of the accommodating cavity and the fan-shaped hole (13) all of the bass adjusting cavities (12); the voice coil (2) is sleeved in the accommodating cavity, the voice coil (2) is in clearance fit with the accommodating cavity, the magnet (4) is sleeved in the voice coil (2), the magnet (4) is in clearance fit with the voice coil (2), one side of the accommodating cavity is flush with the bottom surface of the circular groove, the other side of the accommodating cavity is fixedly connected with the magnet (4), and the outer surface of the other side of the accommodating cavity is flush with the outer surface of the magnet (4); an L-shaped groove is formed in the side face of the circular groove, a vibrating diaphragm (1) is sleeved on the L-shaped groove, and the vibrating diaphragm (1) is fixedly connected with one end of a voice coil (2); the magnet (4) is provided with a magnet middle-high tone cavity (10) coaxial with the magnet (4); the outside of the plurality of bass adjusting cavities (12) is provided with fan-shaped bass tuning paper (7), and the bass tuning paper (7) seals the plurality of bass adjusting cavities (12); the middle and high pitch adjusting paper (8) is arranged outside the middle and high pitch cavity (10) of the magnet, and the middle and high pitch cavity (10) of the magnet is sealed by the middle and high pitch adjusting paper (8); the PC board (6) is provided with a signal transmission board, and the voice coil (2) is connected with the signal transmission board through a connecting wire;
a washer (3) is arranged between the magnet (4) and the vibrating diaphragm (1); the washer (3) is sleeved in the voice coil (2), a gap is reserved between the washer (3) and the voice coil (2) and between the washer and the vibrating diaphragm (1), the washer (3) and the magnet (4) are coaxial, and the washer (3) is fixedly connected with the magnet (4);
the washer (3) is provided with a washer middle and high pitch cavity (9) coaxial with the washer (3), and the diameter of the washer middle and high pitch cavity (9) is the same as that of the magnet middle and high pitch cavity (10);
the back of the circular groove is provided with an L-shaped raised annular groove.
2. The double tone loudspeaker of claim 1, wherein the L-shaped groove is sleeved with a fixing ring, the fixing ring is arranged outside the vibrating diaphragm (1), and the fixing ring is fixedly connected with the L-shaped groove.
3. The two-tone horn of claim 2, wherein the retaining ring is provided as an antiferromagnetic metal material.
4. The double tone loudspeaker according to claim 1, wherein a sealing ring is arranged on the outer surface of the magnet (4), and the sealing ring is fixed on the gap between the magnet (4) at the bottom end of the accommodating cavity and the accommodating cavity.
5. The double tuned loudspeaker according to claim 4, wherein the loudspeaker cavity (5) and the sealing ring are both provided as insulating material.
6. A headset comprising a double-tuned loudspeaker according to any one of claims 1-5, further comprising a headset housing, the double-tuned loudspeaker being disposed within the headset housing; the earphone shell is provided with a sound outlet channel which is communicated with the outside and the double-tone loudspeaker; the sound outlet surface of the vibrating diaphragm (1) is opposite to the sound outlet channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910233935.7A CN109743663B (en) | 2019-03-26 | 2019-03-26 | Double-tone loudspeaker and earphone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910233935.7A CN109743663B (en) | 2019-03-26 | 2019-03-26 | Double-tone loudspeaker and earphone |
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| Publication Number | Publication Date |
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| CN109743663A CN109743663A (en) | 2019-05-10 |
| CN109743663B true CN109743663B (en) | 2023-11-14 |
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| CN206341419U (en) * | 2017-01-11 | 2017-07-18 | 景德镇诚德电子有限公司 | A kind of high-fidelity loudspeaker |
| CN206364994U (en) * | 2017-01-11 | 2017-07-28 | 景德镇诚德电子有限公司 | Highly sensitive earphone |
| KR101863537B1 (en) * | 2017-03-13 | 2018-06-01 | 부전전자 주식회사 | Speaker having multi vibrating plate |
| CN107172546A (en) * | 2017-05-25 | 2017-09-15 | 东莞合律美电子科技有限公司 | A kind of earphone for dividing loudspeaker |
| CN207166758U (en) * | 2017-08-11 | 2018-03-30 | 国光电器股份有限公司 | A kind of coaxial horn and earphone |
| CN207340121U (en) * | 2017-09-05 | 2018-05-08 | 珠海宏声科技有限公司 | A kind of firefly noise cancelling headphone |
| CN208572425U (en) * | 2018-08-09 | 2019-03-01 | 东莞泉声电子有限公司 | High tone quality dual-audio unit goes out the sounding device of sound in the same direction |
| CN209545865U (en) * | 2019-03-26 | 2019-10-25 | 珠海宏声科技有限公司 | A kind of double toning loudspeakers and earphone |
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|---|---|
| CN109743663A (en) | 2019-05-10 |
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