CN105681981A - Multifunctional loudspeaker - Google Patents

Multifunctional loudspeaker Download PDF

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Publication number
CN105681981A
CN105681981A CN201610016110.6A CN201610016110A CN105681981A CN 105681981 A CN105681981 A CN 105681981A CN 201610016110 A CN201610016110 A CN 201610016110A CN 105681981 A CN105681981 A CN 105681981A
Authority
CN
China
Prior art keywords
magnet portion
lower plate
support arm
elastic arm
arm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610016110.6A
Other languages
Chinese (zh)
Inventor
张龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Microtech Changzhou Co Ltd
AAC Optoelectronic Changzhou Co Ltd
Original Assignee
AAC Optoelectronic Changzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AAC Optoelectronic Changzhou Co Ltd filed Critical AAC Optoelectronic Changzhou Co Ltd
Priority to CN201610016110.6A priority Critical patent/CN105681981A/en
Publication of CN105681981A publication Critical patent/CN105681981A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The invention provides a multifunctional loudspeaker, which comprises a basin frame, a spring piece and a magnetic circuit system, wherein the basin stand is provided with a holding space; the spring piece is connected with the basin frame; the magnetic circuit system is suspended in the basin frame via the spring piece; the magnetic circuit system comprises a lower clamping plate, as well as a first magnet part and a second magnet part which are arranged on the lower clamping plate; at least one of the first magnet part and the second magnet part is a permanent magnet; the second magnet part is arranged around the first magnet part and forms a magnetic gap with the first magnet part; the spring piece comprises an elastic arm and a supporting arm which are connected mutually; the elastic arm is fixed on the basin frame; and the supporting arm is held in the magnetic gap and is fixedly connected with the lower clamping plate. According to the multifunctional loudspeaker provided by the invention, by arranging the supporting arm in the magnetic gap and fixing on the lower clamping plate, the situation that the magnetic circuit system has to avoid the space occupied by the supporting arm is eliminated; and thus, the magnetic circuit system with a larger volume can be arranged, so that the multifunctional loudspeaker has better performance and higher sensitivity.

Description

Multifunction speaker
[technical field]
The present invention relates to electroacoustic conversion art, especially, relate to a kind of multifunction speaker.
[background technology]
In correlation technique, described multifunction speaker includes frame, vibrational system, magnetic circuit system and spring leaf, and described magnetic circuit system is suspended in the receiving space of described frame by described spring leaf. Described magnetic circuit system includes magnetic bowl and magnet assembly, and described magnetic bowl includes magnetic bowl body and is located at the flange of described magnetic bowl body one end, and described magnet assembly is contained in described magnetic bowl, and this is internal and become magnetic gap with described magnetic bowl-type. Described vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, and described voice coil loudspeaker voice coil one end is located in described magnetic gap, and the other end is fixed on described vibrating diaphragm. Described spring leaf includes the elastic arm and the support arm that are connected, and described elastic arm is fixed on described frame, and described support arm is connected with described flange spot welding. This mode be designed to ensure that support arm is connected with the fixing of described flange, described magnetic circuit system needs to dodge the space that support arm takies and causes the size-constrained of described magnetic circuit system, thus causing that the performance of described magnetic circuit system is restricted.
Thus, it is necessary to provide the multifunction speaker of a kind of improvement to overcome the problems referred to above.
[summary of the invention]
For solving above-mentioned technical problem, the present invention provides the multifunction speaker of a kind of improvement, by support arm is located in magnetic gap, and support arm is fixed on lower plate, magnetic circuit system can be saved and need to dodge space that support arm takies such that it is able to arrange higher volume of magnetic circuit system, improving the performance of the magnetic circuit system of described multifunction speaker, make multifunction speaker sensitivity provided by the invention higher, performance is better.
The present invention provides a kind of multifunction speaker, frame including tool receiving space, the spring leaf that is connected with described frame and be suspended in the magnetic circuit system in described receiving space by described spring leaf, described magnetic circuit system includes lower plate and the first magnet portion being arranged on described lower plate and the second magnet portion, in described first magnet portion and the second magnet portion, at least one is permanent magnet, described second magnet portion arranges around described first magnet portion and forms magnetic gap with described first magnet portion, described spring leaf includes the elastic arm and the support arm that are connected, described elastic arm is fixed on described frame, described support arm is contained in described magnetic gap and fixes with described lower plate and is connected.
In multifunction speaker one provided by the invention preferred embodiment, described lower plate includes being located on described first magnet portion and to the depressed part away from described first magnet portion direction depression, described depressed area is in described magnetic gap, and described support arm is located at described depressed part.
In multifunction speaker one provided by the invention preferred embodiment, the upper surface of the upper surface of described support arm and described lower plate is generally aligned in the same plane.
In multifunction speaker one provided by the invention preferred embodiment, described support arm and described lower plate are welded and fixed.
In multifunction speaker one provided by the invention preferred embodiment, described support arm includes multiple side arm, and described side arm is end to end to be arranged cooperation and surround a ring seal structure.
In multifunction speaker one provided by the invention preferred embodiment, described elastic arm includes elastic arm body and the fixed part extended from described elastic arm body, described elastic arm body is located at the outside of described ring seal structure and extends along described side arm, and described elastic arm body is parallel to the described side arm being adjacent and arranges, described fixed part is fixed with described frame and is connected.
In multifunction speaker one provided by the invention preferred embodiment, described elastic arm and described support arm are generally aligned in the same plane.
In multifunction speaker one provided by the invention preferred embodiment, described first magnet portion is permanent magnet, described second magnet portion forms magnetic bowl with described lower plate integrated setting, described magnetic bowl includes diapire and the sidewall extended from described diapire, described diapire and described sidewall surround the accommodation space of described magnetic bowl, and described first magnet portion is located at described accommodation space and becomes magnetic gap with described magnetic bowl-type.
In multifunction speaker one provided by the invention preferred embodiment, adjacent described sidewall spacers is arranged, described elastic arm and the described support arm body junction gap portion between adjacent described sidewall.
In multifunction speaker one provided by the invention preferred embodiment, described sidewall is correspondingly arranged between described elastic arm body and the described side arm being adjacent setting.
Compared to correlation technique, multifunction speaker provided by the invention has the advantages that
One, the present invention is by being located in described magnetic gap by the support arm of described spring leaf and being connected fixing to described support arm and described lower plate, magnetic circuit system can be saved and need to dodge space that support arm takies such that it is able to arrange higher volume of magnetic circuit system, and then improve the performance of described magnetic circuit system, make described multifunction speaker performance better, there is higher sensitivity.
Two, by by ironed for described lower plate part, namely it is provided with at described lower plate and is located on described first magnet portion and the depressed part away from described first magnet portion, described support arm is located at described depressed part, described support arm is made to be not take up the oscillation space of described voice coil loudspeaker voice coil, ensure that described voice coil loudspeaker voice coil has enough oscillation spaces, make the vibration of described voice coil loudspeaker voice coil be unaffected.
[accompanying drawing explanation]
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
The solid that Fig. 1 is multifunction speaker provided by the invention assembles schematic diagram;
Fig. 2 is the perspective exploded view of multifunction speaker shown in Fig. 1;
Fig. 3 is multifunction speaker shown in Fig. 1 along A-A direction sectional view;
Fig. 4 is the constitutional diagram of the magnetic bowl of multifunction speaker shown in Fig. 1 and spring leaf.
[detailed description of the invention]
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, Fig. 2 and Fig. 3, the solid that Fig. 1 is multifunction speaker provided by the invention assembles schematic diagram, and Fig. 2 is the perspective exploded view of multifunction speaker shown in Fig. 1, and Fig. 3 is multifunction speaker shown in Fig. 1 along A-A direction sectional view. Described multifunction speaker 100 includes the frame 110 of tool receiving space 110A and both ends open, is contained in the magnetic circuit system 130 of the receiving space 110A of described frame 110, vibrational system 150 and spring leaf 170 and the upper cover 190 connect with described frame 110 groups. Described magnetic circuit system 130 is suspended at described receiving space 110A by described spring leaf 170. When low frequency signal, described magnetic circuit system 130 vibrates under the supporting role of described spring leaf 170.
Described magnetic circuit system 130 includes lower plate 131 and the first magnet portion 132 and the second magnet portion 133 being arranged on described lower plate 131, in described first magnet portion 132 and described second magnet portion 133, at least one is permanent magnet, and described second magnet portion 133 arranges also around described first magnet portion 132 and forms magnetic gap 132A between described first magnet portion 132.
Described lower plate 131 is suspended in the receiving space 110A of described frame 110 by described spring leaf 170. Described lower plate 131 includes being located on described first magnet portion 132 and to the depressed part 1310 away from described first magnet portion 132 direction depression, and described depressed part 1310 is positioned at described magnetic gap 132A.
Described lower plate 131 is not limited to plate-like structure, as long as have the base plate placing magnet portion can be referred to as lower plate. In described first magnet portion 132 and described second magnet portion 133, at least one is permanent magnet. It is appreciated that described second magnet portion 133 is wholely set with described lower plate 131, and now described lower plate 131 is the magnetic bowl structure with sidewall, as shown in the embodiment only when described first magnet portion 132 is for permanent magnet; When only described second magnet portion 133 is permanent magnet, described first magnet portion 132 is wholely set with described lower plate 131, and now described lower plate 131 is a T-type structure; When described first magnet portion 132 and described second magnet portion 133 are permanent magnet, now described lower plate 131 is a plate-like structure.
In the present embodiment, described first magnet portion 132 is permanent magnet, and described second magnet portion 133 forms magnetic bowl 134 with described lower plate 131 integrated setting. Incorporated by reference to consulting Fig. 4, it it is the constitutional diagram of the magnetic bowl of multifunction speaker shown in Fig. 1 and spring leaf.
Described magnetic bowl 134 include diapire 1342, from described diapire 1342 extend sidewall 1344 and from described sidewall 1344 to away from described first magnet portion 132 direction extend flange 1346. Described depressed part 1310 is located at described diapire 1342. Described diapire 1342 and described sidewall 1344 surround the accommodation space of described magnetic bowl 134. Described first magnet portion 132 is fixed on described diapire 1342 and is positioned at the accommodation space of described magnetic bowl 134, its outside dimension, less than the accommodation bulk of described magnetic bowl 134, forms magnetic gap 132A between interior side-wall surface and the outer side wall surface of described first magnet portion 132 of described sidewall 1344.Adjacent described sidewall 1344 interval is arranged, and the described spring leaf 170 of part is positioned at gap between the two.
In the present embodiment, described magnetic circuit system 130 also includes balancing weight 135 and pole piece 136. Described balancing weight 135 is equipped with described flange 1346, and is located at the lower section of described flange 1346, and for increasing the quality of described magnetic circuit system 130, thus increasing vibration sense, balancing weight 135 can select permanent magnet. Described pole piece 136 is attached at described first magnet portion 132 surface, plays magnetic conduction effect.
Described vibrational system 150 includes voice coil loudspeaker voice coil 152, driven by described voice coil loudspeaker voice coil 152 and the vibrating diaphragm 154 that vibrates and be located at the described vibrating diaphragm 154 top dome 156 towards described upper cover 190 side. The one affixed setting of side surface of one end of described voice coil loudspeaker voice coil 152 and described vibrating diaphragm 154, the other end is suspended in the magnetic gap 132A of described magnetic circuit system 130. Described top dome 156 is attached at the opposite side surface of described vibrating diaphragm 154. Namely described vibrating diaphragm 154 is located between described top dome 156 and described voice coil loudspeaker voice coil 152.
Described spring leaf 170 includes the support arm 172 and the elastic arm 174 that are connected. Described spring leaf 170 for being suspended in the receiving space 110A of described frame 110 by described magnetic bowl 134. Described support arm 172 is at least partially housed in the magnetic gap 132A of described magnetic circuit system 130 and is fixed on the diapire 1342 of described magnetic bowl 134, specifically can pass through the fixing connection of spot welding. Further, described support arm 172 is located in described depressed part 1310, and the upper surface of the diapire 1342 of the upper surface of described support arm 172 and described magnetic bowl 134 is generally aligned in the same plane. By by ironed for diapire 1342 part of described magnetic bowl 134, being namely provided with at described diapire 1342 edge and be located on described first magnet portion 132 and the depressed part 1310 away from described first magnet portion 132, described support arm 172 is located at described depressed part 1310. Increase the space of described magnetic gap 132A, be not take up the oscillation space of described voice coil loudspeaker voice coil 152, make the vibration of described voice coil loudspeaker voice coil 152 be unaffected.
Described support arm 172 includes multiple side arm 1722, and described side arm 1722 is end to end to be arranged cooperation and surround a ring seal structure. Described side arm 1722 is fixing with described lower plate 131 to be connected. In the present embodiment, described side arm 1722 is fixing with described diapire 1342 to be connected, and is located at described depressed part 1310. The upper surface of the upper surface of described side arm 1722 and described diapire 1342 is generally aligned in the same plane.
Described elastic arm 174 is fixed on the upper end (namely near one end of described upper cover 190) of described frame 110. Described elastic arm 174 includes elastic arm body 1742 and the fixed part 1744 extended from described elastic arm body, described elastic arm body 1742 is located at the outside of the described ring seal structure that described support arm 172 surrounds and extends along described side arm 1722, and described elastic arm body 1742 is parallel to the described side arm 1722 being adjacent and arranges, described sidewall 1344 is located between described elasticity arm body 1742 and the described side arm 1722 being disposed adjacent. Described fixed part 1744 is fixing with described frame 110 to be connected. Specifically, described support arm 172 and described elastic arm 174 in the same plane in, and the direction of vibration of the two place plane and described vibrational system 150 is perpendicular.
Multifunction speaker 100 provided by the invention has the advantages that
One, the present invention is by being located in described magnetic gap 132A by the support arm 172 of described spring leaf 170 and being connected fixing with described lower plate 131 for described support arm 172, magnetic circuit system can be saved and need to dodge space that support arm 172 takies such that it is able to arrange higher volume of magnetic circuit system 130, and then improve the performance of described magnetic circuit system 130, make described multifunction speaker 100 performance better, there is higher sensitivity.
Two, by by ironed for described lower plate 131 part, namely it is provided with at described lower plate 131 and is located on described first magnet portion 132 and the depressed part 1310 away from described first magnet portion 132, described support arm 172 is located at described depressed part 1310, described support arm 172 is made to be not take up the oscillation space of described voice coil loudspeaker voice coil 152, ensure that described voice coil loudspeaker voice coil 152 has enough oscillation spaces, make the vibration of described voice coil loudspeaker voice coil 152 be unaffected.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (10)

1. a multifunction speaker, it is characterized in that, frame including tool receiving space, the spring leaf that is connected with described frame and be suspended in the magnetic circuit system in described receiving space by described spring leaf, described magnetic circuit system includes lower plate and the first magnet portion being arranged on described lower plate and the second magnet portion, in described first magnet portion and the second magnet portion, at least one is permanent magnet, described second magnet portion arranges around described first magnet portion and forms magnetic gap with described first magnet portion, described spring leaf includes the elastic arm and the support arm that are connected, described elastic arm is fixed on described frame, described support arm is contained in described magnetic gap and fixes with described lower plate and is connected.
2. multifunction speaker according to claim 1, it is characterised in that described lower plate includes being located on described first magnet portion and to the depressed part away from described first magnet portion direction depression, and described support arm is located at described depressed part.
3. multifunction speaker according to claim 2, it is characterised in that the upper surface of the upper surface of described support arm and described lower plate is generally aligned in the same plane.
4. multifunction speaker according to claim 1, it is characterised in that described support arm and described lower plate are welded and fixed.
5. multifunction speaker according to claim 1, it is characterised in that described support arm includes multiple side arm, described side arm is end to end to be arranged cooperation and surrounds a ring seal structure.
6. multifunction speaker according to claim 5, it is characterized in that, described elastic arm includes elastic arm body and the fixed part extended from described elastic arm body, described elastic arm body is located at the outside of described ring seal structure and extends along described side arm, and described elastic arm body is parallel to the described side arm being adjacent and arranges, described fixed part is fixed with described frame and is connected.
7. multifunction speaker according to claim 6, it is characterised in that described elastic arm and described support arm are generally aligned in the same plane.
8. multifunction speaker according to claim 1, it is characterized in that, described first magnet portion is permanent magnet, described second magnet portion forms magnetic bowl with described lower plate integrated setting, described magnetic bowl includes diapire and the sidewall extended from described diapire, described diapire and described sidewall surround the accommodation space of described magnetic bowl, and described first magnet portion is located at described accommodation space and becomes magnetic gap with described magnetic bowl-type.
9. multifunction speaker according to claim 8, it is characterised in that adjacent described sidewall spacers is arranged, described elastic arm and the described support arm body junction gap portion between adjacent described sidewall.
10. multifunction speaker according to claim 8, it is characterised in that described sidewall is correspondingly arranged between described elastic arm body and the described side arm being adjacent setting.
CN201610016110.6A 2016-01-11 2016-01-11 Multifunctional loudspeaker Pending CN105681981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610016110.6A CN105681981A (en) 2016-01-11 2016-01-11 Multifunctional loudspeaker

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Application Number Priority Date Filing Date Title
CN201610016110.6A CN105681981A (en) 2016-01-11 2016-01-11 Multifunctional loudspeaker

Publications (1)

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CN105681981A true CN105681981A (en) 2016-06-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108366327A (en) * 2018-02-02 2018-08-03 瑞声科技(新加坡)有限公司 Loud speaker
CN110149577A (en) * 2019-05-09 2019-08-20 瑞声光电科技(常州)有限公司 Microphone device
US11546697B2 (en) 2020-05-21 2023-01-03 Lanto Electronic Limited Balanced armature type speaker

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090064838A (en) * 2007-12-17 2009-06-22 에스텍 주식회사 Multi-function speaker
CN201657286U (en) * 2010-01-11 2010-11-24 瑞声声学科技(深圳)有限公司 Loudspeaker
CN201967122U (en) * 2011-01-07 2011-09-07 瑞声光电科技(常州)有限公司 Magnetic circuit system and speaker applying same
CN201967116U (en) * 2011-01-06 2011-09-07 瑞声光电科技(常州)有限公司 Electroacoustic transducer
CN102196339A (en) * 2011-05-19 2011-09-21 歌尔声学股份有限公司 Vibration loudspeaker
CN103067834A (en) * 2012-12-14 2013-04-24 歌尔声学股份有限公司 Vibration loudspeaker
CN203193879U (en) * 2013-04-15 2013-09-11 歌尔声学股份有限公司 Vibratory loudspeaker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090064838A (en) * 2007-12-17 2009-06-22 에스텍 주식회사 Multi-function speaker
CN201657286U (en) * 2010-01-11 2010-11-24 瑞声声学科技(深圳)有限公司 Loudspeaker
CN201967116U (en) * 2011-01-06 2011-09-07 瑞声光电科技(常州)有限公司 Electroacoustic transducer
CN201967122U (en) * 2011-01-07 2011-09-07 瑞声光电科技(常州)有限公司 Magnetic circuit system and speaker applying same
CN102196339A (en) * 2011-05-19 2011-09-21 歌尔声学股份有限公司 Vibration loudspeaker
CN103067834A (en) * 2012-12-14 2013-04-24 歌尔声学股份有限公司 Vibration loudspeaker
CN203193879U (en) * 2013-04-15 2013-09-11 歌尔声学股份有限公司 Vibratory loudspeaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108366327A (en) * 2018-02-02 2018-08-03 瑞声科技(新加坡)有限公司 Loud speaker
CN110149577A (en) * 2019-05-09 2019-08-20 瑞声光电科技(常州)有限公司 Microphone device
US11546697B2 (en) 2020-05-21 2023-01-03 Lanto Electronic Limited Balanced armature type speaker

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Application publication date: 20160615