CN108737938B - Dual-drive loudspeaker device - Google Patents
Dual-drive loudspeaker device Download PDFInfo
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- CN108737938B CN108737938B CN201710259677.0A CN201710259677A CN108737938B CN 108737938 B CN108737938 B CN 108737938B CN 201710259677 A CN201710259677 A CN 201710259677A CN 108737938 B CN108737938 B CN 108737938B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 43
- 238000004804 winding Methods 0.000 claims description 40
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 239000004677 Nylon Substances 0.000 claims description 12
- 229920001778 nylon Polymers 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 11
- 230000006872 improvement Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention relates to a double-drive loudspeaker device, which relates to the electroacoustic field and comprises a bracket, a cone, a first magnetic circuit system, a second magnetic circuit system, a voice coil and a center column; the sound basin is fixedly arranged in the bracket, the first magnetic circuit system is fixedly arranged at the bottom of the bracket, the first magnetic circuit system is fixedly connected with the bottom of the center column, and the second magnetic circuit system is fixed above the bracket; the voice coil is fixedly adhered to the opening of the diameter part of the cone-shaped basin, and the upper part and the lower part of the voice coil respectively extend into the second magnetic circuit system and the first magnetic circuit system. The embodiment of the invention is provided with the second magnetic circuit system, and the driving force of the voice coil is increased through the double magnetic field driving force generated by the first magnetic circuit system and the second magnetic circuit system, so that larger power is provided for the vibration of the cone, and the sensitivity and the power of the double-drive loudspeaker device are improved; the second magnetic circuit system is arranged inside the loudspeaker device, and has the advantages of easy installation and low cost.
Description
Technical Field
The invention relates to the electroacoustic field, in particular to a double-drive loudspeaker device.
Background
At present, a speaker apparatus has been widely used in every field of life of people, such as various conference halls, theatres, large squares, and the like.
The working principle of the existing loudspeaker device is as follows: the two ends of the voice coil are connected with alternating current signals, the voice coil cuts magnetic force lines between the magnet and the magnetic conductive plate to generate vibration, and the vibrating diaphragm and the cone basin are pushed to vibrate, so that sound is generated.
However, the existing loudspeaker device adopts a single magnetic circuit system to increase the driving force of the magnetic circuit system to the voice coil, thereby increasing the driving force to the cone and making sound; such speaker devices have the disadvantage that the magnetic circuit system, which has low sensitivity, low power and excessive size, is disadvantageous for installation and is costly.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art and provides a double-drive loudspeaker device, which mainly solves the problems of low sensitivity, low power, unfavorable installation of an oversized magnetic circuit system and high cost of the prior loudspeaker device.
In order to solve the problems, the invention adopts the following technical scheme:
the invention provides a double-drive loudspeaker device, which comprises a bracket, a cone, a first magnetic circuit system, a second magnetic circuit system, a voice coil and a center column, wherein the cone is arranged on the bracket;
a signal terminal is processed on the outer side of the bracket and is used for being externally connected with a cable for inputting audio current;
the cone is a cone column with an upper opening and a lower opening, and the opening at the bottom end of the cone extends to the inner side of the bracket;
the first magnetic circuit system is fixedly arranged at the bottom of the bracket, and the second magnetic circuit system is fixed above the bracket through the center column and the first magnetic circuit system;
the voice coil loudspeaker voice coil is fixed to be stuck in the opening part of cone footpath portion, first magnetic circuit and second magnetic circuit are all used for producing magnetic field driving force, magnetic field driving force acts on jointly the voice coil loudspeaker voice coil, upper portion and the lower part of voice coil loudspeaker voice coil extend respectively in second magnetic circuit and the first magnetic circuit, the voice coil loudspeaker voice coil is used for promoting under the magnetic field driving force that second magnetic circuit and the two magnetic fields of first magnetic circuit produced the vibration sound production of cone.
As a further improvement of the invention, the cone comprises a folding ring and a cone-shaped basin, wherein the inner end of the folding ring is connected with the upper end of the cone-shaped basin, the outer end of the folding ring is fixedly connected with the upper end of the bracket, and the folding ring is used for supporting and keeping the vibration of the cone so as to enable the cone to move along the axial direction of the loudspeaker.
As a further improvement of the present invention, the voice coil includes an upper winding group, a lower winding group, and a voice coil bobbin; the voice coil framework is fixedly adhered to the opening of the diameter part of the cone-shaped basin, and the upper winding group and the lower winding group are respectively formed by coils wound on the upper part and the lower part of the voice coil framework.
As a further improvement of the invention, the voice coil further comprises a nylon wire, one end of the nylon wire is respectively connected to the upper winding group and the lower winding group through the voice coil framework, and the other end of the nylon wire is fixedly connected with the signal terminal; the nylon wire is used for receiving audio current input by the signal terminal.
As a further improvement of the invention, the first magnetic circuit system comprises a magnetic conduction plate, a first magnet and T iron, wherein the magnetic conduction plate and the first magnet are sequentially and fixedly arranged on the T iron in a surrounding manner from top to bottom, and the top surface of the magnetic conduction plate is assembled with the bottom of the bracket;
a first magnetic gap is arranged between the inner edge of the magnetic conduction plate and the side wall of the T iron, and the lower winding group extends into the first magnetic gap.
As a further improvement of the invention, the second magnetic circuit system comprises a washer, a second magnet and U-shaped iron, wherein the U-shaped iron is of an inverted U-shaped structure, and the U-shaped iron sequentially inverts the second magnet and the washer inside the washer;
and a second magnetic gap is arranged between the side wall of the U-shaped iron and the outer edge of the washer, and the upper winding group extends into the second magnetic gap.
As a further improvement of the present invention, the acting force of the upper winding group in the magnetic field of the second magnetic gap is the same as the acting force of the lower winding group in the magnetic field of the first magnetic gap.
As a further improvement of the present invention, the dual-drive speaker apparatus further includes a dust cover having a circular arc shape, the dust cover being adhered to the cone and disposed above the second magnetic circuit system.
As a further improvement of the present invention, the dual-drive speaker apparatus further includes a damper mounted inside the bracket, an outer edge of the damper being connected to the bracket, an inner edge thereof being connected to a side wall of the voice coil;
the elastic wave is used for ensuring that the voice coil is arranged at the correct position of the first magnetic circuit system and the second magnetic circuit system and providing restoring force for the vibration of the voice coil.
As a further improvement of the invention, the elastic wave is a circular corrugated plate, and the joint of the inner edge of the elastic wave and the side wall of the voice coil is positioned at the joint of the voice coil and the cone-shaped basin.
Compared with the prior art, the invention has the beneficial effects that:
the double-drive loudspeaker device is provided with a first magnetic circuit system and a second magnetic circuit system, when voice coils in a magnetic field pass through with audio current, the voice coils generate a magnetic field which changes with the audio current, and the voice coils are driven to do reciprocating motion along the axial direction under the interaction of the changing magnetic field and magnetic field driving force generated by the first magnetic circuit system and the second magnetic circuit system, so that sound waves are emitted by the sound basin; the embodiment of the invention is provided with the second magnetic circuit system, and the driving force of the voice coil is increased through the double magnetic field driving force generated by the first magnetic circuit system and the second magnetic circuit system, so that larger power is provided for the vibration of the cone, and the sensitivity and the power of the double-drive loudspeaker device are improved; the second magnetic circuit system is arranged inside the loudspeaker device, and has the advantages of easy installation and low cost.
Drawings
Fig. 1 is a side cross-sectional view of a dual drive speaker apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a voice coil according to an embodiment of the present invention.
Reference numerals: 100-bracket; 110-signal terminals; 200-cone; 210-folding ring; 220-cone basin; 300-a first magnetic circuit system; 310-a magnetic conduction plate; 320-a first magnet; 330-T iron; 400-a second magnetic circuit system; 410-washer; 420-a second magnet; 430-U iron; 500-voice coil; 510-winding groups; 520-lower winding group; 530-a voice coil former; 540-brocade thread; 600-dust cap; 700-flicking wave; 800-center column.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, which is a side sectional view of a dual driving speaker apparatus according to an embodiment of the present invention, the dual driving speaker apparatus includes a bracket 100, a tub 200, a first magnetic circuit 300, a second magnetic circuit 400, a voice coil 500, a dust cover 600, a damper 700, and a center post 800.
A signal terminal 110 is processed on the outer side of the bracket 100, and the signal terminal 110 is used for externally connecting a cable for inputting audio current; the cone 200 is fixedly installed on the inner side of the bracket 100, the cone 200 is a cone column with an upper opening and a lower opening, and the opening of the diameter part of the cone 200 extends towards the inner side of the bracket 100; the first magnetic circuit system 300 is fixedly installed at the bottom of the bracket 100, and the second magnetic circuit system 400 is fixed in the space inside the bracket 100 through the center post 800 and the first magnetic circuit system 300; the voice coil 500 is fixedly adhered to the opening of the diameter portion of the cone 200, the first magnetic circuit system 300 and the second magnetic circuit system 400 are both used for generating magnetic field driving force, the magnetic field driving force acts on the voice coil 500 together, the upper portion and the lower portion of the voice coil 500 extend into the second magnetic circuit system 400 and the first magnetic circuit system 300 respectively, and the voice coil 500 is used for driving the cone 200 to vibrate and sound under the magnetic field driving force generated by the double magnetic fields of the second magnetic circuit system 400 and the first magnetic circuit system 300; the dust cover 600 is in a circular arc shape, and the dust cover 600 is adhered to the cone 200 and is disposed above the second magnetic circuit system 400 to prevent dust from falling into the voice coil 500; the elastic wave 700 is installed inside the bracket 100, the outer edge of the elastic wave 700 is fixedly connected to the bracket 100, the inner edge of the elastic wave 700 is fixedly connected to the voice coil 500, the elastic wave 700 is used for ensuring that the voice coil 500 is placed at the correct positions of the first magnetic circuit 300 and the second magnetic circuit 400, and providing restoring force for vibration of the voice coil 500; the center post 800 is used for supporting the second magnetic circuit 400, and optionally, the center post 800 is made of aluminum, and in other embodiments of the present invention, the center post 800 may be made of other materials according to requirements.
In the embodiment of the present invention, the cone 200 includes a folder 210 and a cone 220, wherein an inner end of the folder 210 is connected to an upper end of the cone 220, an outer end of the folder 210 is fixedly connected to an upper end of the stand 100, and the folder 210 is used for supporting and maintaining vibration of the cone 200 so as to move along an axial direction of the speaker device; in this embodiment, the inner and outer ends of the ring 210 are respectively adhered to the cone 220 and the bracket 100 by glue; the cone 220 in this embodiment is one of sound emitting components of a dual-drive speaker apparatus, and the air is pushed to emit sound waves by the vibration of the cone 220; in an embodiment of the present invention, the ring 210 may be made of different materials according to specific processing requirements, for example: cloth, natural rubber, high molecular polymer and other materials.
In the embodiment of the present invention, please refer to fig. 2, which is a schematic structural diagram of a voice coil 500 according to an embodiment of the present invention, the voice coil 500 includes an upper winding set 510, a lower winding set 520 and a voice coil frame 530; the voice coil bobbin 530 is fixedly attached to the opening of the diameter portion of the cone 220, and the upper winding group 510 and the lower winding group 520 are respectively formed by coils wound on the upper portion and the lower portion of the voice coil bobbin 530.
In addition, the voice coil 500 further includes a wire harness 540, the wire harness 540 being configured to receive an audio current inputted from the signal terminal 110 and transmit the audio current to the upper winding group 510 and the lower winding group 520 through the wire harness 540, respectively; one end of the nylon wire 540 is connected to the upper winding set 510 and the lower winding set 520 through the voice coil bobbin 530, and the other end of the nylon wire 540 is fixedly connected to the signal terminal 110; in an embodiment of the present invention, the nylon wire 540 may be fixedly connected to the signal terminal 110 by welding or directly plugging.
In the embodiment of the present invention, the first magnetic circuit 300 includes a magnetic conductive plate 310, a first magnet 320 and a T-iron 330, wherein the magnetic conductive plate 310 and the first magnet 320 are fixedly installed on the T-iron 330 in a surrounding manner from top to bottom in sequence, and the top surface of the magnetic conductive plate 310 is assembled with the bottom of the bracket 100; a gap is provided between the inner edge of the magnetic conductive plate 310 and the side wall of the T-iron 330, in this embodiment, the gap is a first magnetic gap, and the lower winding set 520 extends into the first magnetic gap.
In the embodiment of the present invention, the center post 800 fixes the second magnetic circuit 400 above the bracket 100, and the second magnetic circuit 400 includes a washer 410, a second magnet 420, and a U-iron 430; the U-shaped iron 430 has an inverted U-shaped structure, that is, the U-shaped iron 430 reversely buckles the second magnet 420 and the washer 410 in sequence; a second magnetic gap is provided between the side wall of the inside of the U-shaped iron 430 and the outer edge of the washer 410, and the upper winding group 510 extends into the second magnetic gap.
In this embodiment, grooves are formed at the lower end of the washer 410 and the upper end of the middle portion of the T-iron 330, and protrusions matching with the grooves are formed at the upper and lower ends of the center column 800, and the center column 800 fixes the second magnetic circuit 400 above the bracket 100 by combining the grooves and the protrusions.
In an embodiment of the present invention, the dust cover 600 is fixedly adhered to the inner edge of the cone-shaped tub 220 to cover the cone-shaped tub 220 and the inside of the stand 100, for preventing dust, foreign materials, etc. from falling into the cone-shaped tub 220 and the inside of the stand 100.
In the embodiment of the present invention, the elastic wave 700 is a ring-shaped corrugated plate, the elastic wave 700 is installed inside the support 100, the outer edge of the elastic wave 700 is connected to the support 100, and the inner edge thereof is connected to the side wall of the voice coil 500; the connection between the inner edge of the damper 700 and the side wall of the voice coil 500 is located at the connection between the voice coil 500 and the cone 220, so as to prevent dust from entering the second magnetic gap and the first magnetic gap, and prevent the dust from rubbing against the voice coil 500, thereby generating abnormal sound in the speaker device.
In an embodiment of the present invention, the working principle of the dual-drive speaker apparatus is as follows:
plugging an external cable containing audio current on the signal terminal 110, and introducing audio current; the audio current is input to the upper winding set 510 and the lower winding set 520 through the nylon wire 540; the upper winding set 510 and the lower winding set 520 generate a changing magnetic field along with the change of the audio current, and after the changing magnetic field interacts with the driving force generated by the double magnetic fields of the first magnetic circuit system 300 and the second magnetic circuit system 400, the upper winding set 510 and the lower winding set 520 are pushed to reciprocate along the axial directions of the first magnetic gap and the second magnetic gap respectively, so as to drive the cone 200 to vibrate and emit sound waves; in this embodiment, the acting force of the upper winding set 510 in the magnetic field of the second magnetic gap is the same as the acting force of the lower winding set 520 in the magnetic field of the first magnetic gap, that is, the pushing force of the voice coil 500 is increased, so as to provide greater power for pushing the vibration of the cone 200.
The dual-drive speaker device according to the present embodiment is provided with a first magnetic circuit system 300 and a second magnetic circuit system 400, when a voice coil 500 in a magnetic field passes through an audio current, the voice coil 500 will generate a magnetic field that varies with the audio current, and under the interaction of the varying magnetic field and the magnetic field driving force generated by the first magnetic circuit system 300 and the second magnetic circuit system 400, the voice coil 500 is driven to reciprocate along the axial direction, so as to drive the cone 500 to emit sound waves; the second magnetic circuit system 400 is arranged, and the driving force of the voice coil 500 is increased through the double magnetic field driving force generated by the first magnetic circuit system 300 and the second magnetic circuit system 400, so that greater power is provided for the vibration of the cone 200, and the sensitivity and the power of the double-drive loudspeaker device are improved; the second magnetic circuit system 400 of the present embodiment is disposed inside the speaker device, and has advantages of easy installation and low cost.
While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be understood by those skilled in the art that various other changes, modifications, substitutions, combinations, and simplifications may be made without departing from the spirit and principles of the invention, and it is intended that all such changes, modifications, substitutions, combinations, and simplifications be made as equivalents which fall within the scope of the invention.
Claims (5)
1. A dual-drive speaker apparatus, characterized in that: the double-drive loudspeaker device comprises a bracket, a cone, a first magnetic circuit system, a second magnetic circuit system, a voice coil and a center post;
a signal terminal is processed on the outer side of the bracket and is used for being externally connected with a cable for inputting audio current;
the cone is a cone column with an upper opening and a lower opening, and the opening at the bottom end of the cone extends to the inner side of the bracket;
the first magnetic circuit system is fixedly arranged at the bottom of the bracket, and the second magnetic circuit system is fixed above the bracket through the center column and the first magnetic circuit system;
the voice coil is fixedly adhered to the opening of the cone diameter part, the first magnetic circuit system and the second magnetic circuit system are both used for generating magnetic field driving force, the magnetic field driving force acts on the voice coil together, the upper part and the lower part of the voice coil extend into the second magnetic circuit system and the first magnetic circuit system respectively, and the voice coil is used for driving the cone to vibrate and sound under the magnetic field driving force generated by the double magnetic fields of the second magnetic circuit system and the first magnetic circuit system;
the voice coil comprises an upper winding group, a lower winding group and a voice coil framework; the voice coil framework is fixedly adhered to the opening of the diameter part of the voice cone, and the upper winding group and the lower winding group are respectively formed by coils wound on the upper part and the lower part of the voice coil framework;
the voice coil further comprises a nylon wire, one end of the nylon wire is connected to the upper winding group and the lower winding group through the voice coil skeleton respectively, and the other end of the nylon wire is fixedly connected with the signal terminal; the nylon wire is used for receiving the audio current input by the signal terminal;
the first magnetic circuit system comprises a magnetic conduction plate, a first magnet and T iron, wherein the magnetic conduction plate and the first magnet are sequentially and fixedly arranged on the T iron in a surrounding manner from top to bottom, and the top surface of the magnetic conduction plate is assembled with the bottom of the bracket;
a first magnetic gap is arranged between the inner edge of the magnetic conduction plate and the side wall of the T iron, and the lower winding group extends into the first magnetic gap;
the second magnetic circuit system comprises a washer, a second magnet and U-shaped iron, the U-shaped iron is of an inverted U-shaped structure, and the U-shaped iron sequentially inverts the second magnet and the washer inside the washer;
a second magnetic gap is arranged between the side wall of the U-shaped iron and the outer edge of the washer, and the upper winding group extends into the second magnetic gap;
the acting force of the upper winding group in the magnetic field of the second magnetic gap is the same as the acting force of the lower winding group in the magnetic field of the first magnetic gap.
2. The dual drive speaker apparatus according to claim 1, wherein: the cone comprises a folding ring and a cone-shaped basin, wherein the inner end of the folding ring is connected with the upper end of the cone-shaped basin, the outer end of the folding ring is fixedly connected with the upper end of the support, and the folding ring is used for supporting and keeping vibration of the cone-shaped basin so as to enable the cone-shaped basin to move along the axial direction of the loudspeaker.
3. The dual drive speaker apparatus according to claim 1, wherein: the double-drive loudspeaker device further comprises a dustproof cover, wherein the dustproof cover is arc-shaped, is adhered to the cone and is arranged above the second magnetic circuit system.
4. The dual drive speaker apparatus according to claim 1, wherein: the double-drive loudspeaker device further comprises a damper, wherein the damper is arranged in the bracket, the outer edge of the damper is connected with the bracket, and the inner edge of the damper is connected with the side wall of the voice coil;
the elastic wave is used for ensuring that the voice coil is arranged at the correct position of the first magnetic circuit system and the second magnetic circuit system and providing restoring force for the vibration of the voice coil.
5. The dual drive speaker apparatus as defined in claim 4, wherein: the bullet ripples be annular buckled plate, the internal edge of bullet ripples with the junction of the lateral wall of voice coil loudspeaker voice coil is located the voice coil loudspeaker voice coil with the junction of cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259677.0A CN108737938B (en) | 2017-04-20 | 2017-04-20 | Dual-drive loudspeaker device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259677.0A CN108737938B (en) | 2017-04-20 | 2017-04-20 | Dual-drive loudspeaker device |
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| Publication Number | Publication Date |
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| CN108737938A CN108737938A (en) | 2018-11-02 |
| CN108737938B true CN108737938B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710259677.0A Active CN108737938B (en) | 2017-04-20 | 2017-04-20 | Dual-drive loudspeaker device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111405422B (en) * | 2019-11-21 | 2021-11-12 | 瑞声科技(新加坡)有限公司 | Sound production device |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2333135Y (en) * | 1997-12-12 | 1999-08-11 | 张凡 | Loudspeaker |
| JP2000308184A (en) * | 1999-04-19 | 2000-11-02 | Sony Corp | Loundspeaker system |
| CN1388729A (en) * | 2002-07-01 | 2003-01-01 | 斯贝克电子（嘉善）有限公司 | Loudspeaker with two symmetrical magnetic paths, two coils and two centering support fins |
| CN1450833A (en) * | 2003-04-14 | 2003-10-22 | 黄革雄 | Double-voice coil counter-connection coupling moving-coil loudspeaker |
| CA2759458A1 (en) * | 2008-02-21 | 2009-08-27 | Shenzhen New Electric Science And Technology Co., Ltd | Inner magnetic transducer with multiple magnetic gaps and multiple coils and preparation method thereof |
| CN202026455U (en) * | 2011-01-20 | 2011-11-02 | 东莞市石排科音五金电子制品厂 | Double-magnetic circuit speaker |
| EP2389013A1 (en) * | 2010-05-20 | 2011-11-23 | Harman Becker Automotive Systems GmbH | Loudspeaker with interlocking magnet structure |
| JP2012169924A (en) * | 2011-02-15 | 2012-09-06 | Shinko:Kk | Speaker structure and speaker device |
| CN202713598U (en) * | 2012-07-19 | 2013-01-30 | 东莞正阳电子有限公司 | Dual-drive thin speaker |
| CN103826187A (en) * | 2014-02-26 | 2014-05-28 | 谭红梅 | Method and device for improving flexibility of loudspeaker driver |
| CN203827508U (en) * | 2014-02-26 | 2014-09-10 | 东莞市三基音响科技有限公司 | Device for improving sensitivity of loudspeaker driver |
| CN204119481U (en) * | 2014-10-11 | 2015-01-21 | 音品电子（深圳）有限公司 | A kind of single magnetic circuit double-voice coil boombox |
| CN204231663U (en) * | 2014-12-04 | 2015-03-25 | 姚岳阳 | Loud speaker |
| CN105848065A (en) * | 2016-05-31 | 2016-08-10 | 歌尔声学股份有限公司 | Loudspeaker |
| CN105848064A (en) * | 2016-05-10 | 2016-08-10 | 青岛歌尔声学科技有限公司 | Dual-magnetic-gap magnetic path system and loudspeaker with same |
| CN205754797U (en) * | 2016-05-19 | 2016-11-30 | 青岛歌尔声学科技有限公司 | A kind of woofer |
| CN205812375U (en) * | 2016-05-10 | 2016-12-14 | 青岛歌尔声学科技有限公司 | Double magnetic gap magnetic circuit systems and the speaker with this pair of magnetic gap magnetic circuit system |
| CN206993401U (en) * | 2017-04-20 | 2018-02-09 | 深圳市三诺数字科技有限公司 | A kind of dual-drive speaker device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201119418A (en) * | 2009-11-19 | 2011-06-01 | Zhao-Lang Wang | A loudspeaker having long sound tube and a plurality of damp membranes |
-
2017
- 2017-04-20 CN CN201710259677.0A patent/CN108737938B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2333135Y (en) * | 1997-12-12 | 1999-08-11 | 张凡 | Loudspeaker |
| JP2000308184A (en) * | 1999-04-19 | 2000-11-02 | Sony Corp | Loundspeaker system |
| CN1388729A (en) * | 2002-07-01 | 2003-01-01 | 斯贝克电子（嘉善）有限公司 | Loudspeaker with two symmetrical magnetic paths, two coils and two centering support fins |
| CN1450833A (en) * | 2003-04-14 | 2003-10-22 | 黄革雄 | Double-voice coil counter-connection coupling moving-coil loudspeaker |
| CA2759458A1 (en) * | 2008-02-21 | 2009-08-27 | Shenzhen New Electric Science And Technology Co., Ltd | Inner magnetic transducer with multiple magnetic gaps and multiple coils and preparation method thereof |
| EP2389013A1 (en) * | 2010-05-20 | 2011-11-23 | Harman Becker Automotive Systems GmbH | Loudspeaker with interlocking magnet structure |
| CN202026455U (en) * | 2011-01-20 | 2011-11-02 | 东莞市石排科音五金电子制品厂 | Double-magnetic circuit speaker |
| JP2012169924A (en) * | 2011-02-15 | 2012-09-06 | Shinko:Kk | Speaker structure and speaker device |
| CN202713598U (en) * | 2012-07-19 | 2013-01-30 | 东莞正阳电子有限公司 | Dual-drive thin speaker |
| CN103826187A (en) * | 2014-02-26 | 2014-05-28 | 谭红梅 | Method and device for improving flexibility of loudspeaker driver |
| CN203827508U (en) * | 2014-02-26 | 2014-09-10 | 东莞市三基音响科技有限公司 | Device for improving sensitivity of loudspeaker driver |
| CN204119481U (en) * | 2014-10-11 | 2015-01-21 | 音品电子（深圳）有限公司 | A kind of single magnetic circuit double-voice coil boombox |
| CN204231663U (en) * | 2014-12-04 | 2015-03-25 | 姚岳阳 | Loud speaker |
| CN105848064A (en) * | 2016-05-10 | 2016-08-10 | 青岛歌尔声学科技有限公司 | Dual-magnetic-gap magnetic path system and loudspeaker with same |
| CN205812375U (en) * | 2016-05-10 | 2016-12-14 | 青岛歌尔声学科技有限公司 | Double magnetic gap magnetic circuit systems and the speaker with this pair of magnetic gap magnetic circuit system |
| CN205754797U (en) * | 2016-05-19 | 2016-11-30 | 青岛歌尔声学科技有限公司 | A kind of woofer |
| CN105848065A (en) * | 2016-05-31 | 2016-08-10 | 歌尔声学股份有限公司 | Loudspeaker |
| CN206993401U (en) * | 2017-04-20 | 2018-02-09 | 深圳市三诺数字科技有限公司 | A kind of dual-drive speaker device |
Non-Patent Citations (3)
| Title |
|---|
| 《Ironless and Leakage Free Voice-Coil Motor Made of Bonded Magnets》;Mathias Remy;《IEEE Transactions on Magnetics》;第44卷(第11期);全文 * |
| 《一种推挽式电动扬声器的磁路音圈设计》;梁成义;《电声技术》;全文 * |
| 《民族品牌的多维度创新及效应研究 ————以奥德金音响为例》;黄磊;《中国优秀硕士学位论文全文数据库》;全文 * |
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| CN108737938A (en) | 2018-11-02 |
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