CN204518065U - Loud speaker - Google Patents
Loud speaker Download PDFInfo
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- CN204518065U CN204518065U CN201520215221.0U CN201520215221U CN204518065U CN 204518065 U CN204518065 U CN 204518065U CN 201520215221 U CN201520215221 U CN 201520215221U CN 204518065 U CN204518065 U CN 204518065U
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- becket
- loud speaker
- vibrating diaphragm
- conductive element
- element device
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Abstract
The utility model provides a kind of loud speaker, comprises shell and vibrational system; Vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with vibrating diaphragm; The becket supporting vibrating diaphragm is combined with on the downside of vibrating diaphragm; Fix with shell sidepiece on the downside of becket; On shell, injection moulding is combined with the conductive element device being communicated with loud speaker peripheral circuits; Wherein, one end of conductive element device and the lead-in wire of voice coil loudspeaker voice coil are electrically connected, and the other end extends to becket; Vibrating diaphragm and becket are electrically connected; Becket is connected with conductive element device electric.The loud speaker that above-mentioned utility model provides, can discharge the electrostatic of vibrating diaphragm and becket generation in time, avoid the damage caused loud speaker that sparks.
Description
Technical field
The utility model relates to acoustic-electric technical field, more specifically, relates to a kind of loud speaker.
Background technology
Loud speaker is as the conventional electro-acoustic transducer device by converting electric energy being acoustic energy, and it plays a part indispensable in sound place system.Loud speaker is a device the weakest in sound place system, and puts for effect for sound, and it is again most important parts.Loud speaker of a great variety, audio-frequency electric is by electromagnetism, and piezoelectricity or electrostatic effect, make its cone or diaphragm vibration and produce with ambient air resonate and sound.Therefore, had the appearance of loud speaker just, people are just heard beautiful sound.
In our daily life, use at most, the most widely loud speaker be dynamic speaker, be also called coil-moving speaker.It primarily of vibrational system, magnetic circuit system and auxiliary system three part composition.In general, vibrational system comprises voice coil loudspeaker voice coil and vibrating diaphragm; Magnetic circuit system comprises magnet, magnetic conductive board and washer; Auxiliary system comprises protecgulum and shell.When being in the voice coil loudspeaker voice coil in magnetic field and having tone currents to flow through, alternation motive force can be subject to and produce alternate motion, thus drive vibrating diaphragm vibrations, and then repeatedly promote air and sounding.
At present, fix the becket of vibrating diaphragm and vibrating diaphragm does not all have ground connection due to loud speaker, the electrostatic that vibrating diaphragm or becket produce when Driver (driving) runs cannot discharge in time, affects the useful life of vibrating diaphragm and the tonequality of loud speaker; In addition, when the electrostatic produced becket carries out unreasonable release, loud speaker can produce audio distortions, and when electrostatic induced current is larger, spark and voice coil loudspeaker voice coil can be caused to move, change the relative position of voice coil loudspeaker voice coil and vibrating diaphragm, the acoustical behavior affecting loud speaker even causes the inefficacy of loud speaker.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of loud speaker, adopts this loud speaker cannot cause the problems such as short, lower tone in vibrating diaphragm useful life by release electrostatic to solve current vibrating diaphragm and becket.
The loud speaker that the utility model provides, comprises shell and vibrational system; Vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with vibrating diaphragm; The becket supporting vibrating diaphragm is combined with on the downside of vibrating diaphragm; Fix with shell sidepiece on the downside of becket; On shell, injection moulding is combined with the conductive element device being communicated with loud speaker peripheral circuits; Wherein, one end of conductive element device and the lead-in wire of voice coil loudspeaker voice coil are electrically connected, and the other end extends to becket; Vibrating diaphragm and becket are electrically connected; Becket is connected with conductive element device electric.
In addition, preferred structure is, vibrating diaphragm and becket are electrically connected by laser welding or conducting resinl.
In addition, preferred structure is, becket and conductive element device are also electrically connected by laser welding or conducting resinl.
In addition, preferred structure is, conductive element device comprises pad, FPCB and wire.
In addition, preferred structure is that pad is positioned on the shell fragment of loud speaker.
In addition, preferred structure is, the extended surface of conductive element device and the surface electrical conducting of becket.
In addition, preferred structure is, the resistance of becket and conductive element device electric coupling part is not more than 2 kilo-ohms.
In addition, preferred structure also comprises magnetic circuit system; Wherein, magnetic circuit system comprises frame and the magnet that is contained in frame and washer; Magnet and frame bond fixing; Washer is covered in the upper surface of magnet.
In addition, preferred structure is, the sidepiece of shell is provided with phonate hole; The position of the corresponding phonate hole of shell has been sticked damping screen.
From technical scheme above, the loud speaker that the utility model provides, conductive element device and becket are electrically connected, becket and vibrating diaphragm be electrically connected the electric discharge that can realize vibrating diaphragm and becket, technique is simple, lower cost can be utilized to improve acoustical behavior and the life of product of loud speaker, and production is high.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the vertical view of the loud speaker according to the utility model embodiment;
Fig. 2 is the end view of the loud speaker according to the utility model embodiment;
Fig. 3 is the exploded view of the loud speaker according to the utility model embodiment;
Fig. 4 is the profile of the loud speaker according to the utility model embodiment; And,
Fig. 5 is the partial enlarged drawing of I part in Fig. 4.
Reference numeral wherein comprises: vibrating diaphragm 1, becket 2, conductive element device 3, shell 4, damping screen 5, washer 6, magnet 7, frame 8, voice coil loudspeaker voice coil 9.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
The electrostatic produced for above-mentioned becket and vibrating diaphragm cannot discharge and cause vibrating diaphragm to shorten useful life, the problems such as loud speaker both poor sound quality, the utility model is according to the architectural feature of loud speaker, the conductive element device of loud speaker self and the becket of fixing vibrating diaphragm are conducted, by the electrostatic that conductive element device release becket and vibrating diaphragm produce, the Driver damage effectively preventing electrostatic from causing, extend the service time of vibrating diaphragm, improve loud speaker tonequality, and loud speaker cost of the present utility model is low, technique is simple, can production high.
In order to describe the loud speaker that the utility model provides in detail, below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Fig. 1 shows the plan structure of the loud speaker according to the utility model embodiment; Fig. 2 shows the side-looking structure of the loud speaker according to the utility model embodiment; Fig. 3 shows the decomposition texture of the loud speaker according to the utility model embodiment.
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, the loud speaker that the utility model embodiment provides comprises shell 4 and vibrational system; Vibrational system comprises vibrating diaphragm 1 and to bond fixing voice coil loudspeaker voice coil 9 with vibrating diaphragm 1; Be combined with the becket 2 supporting vibrating diaphragm 1 in the downside of vibrating diaphragm 1, the downside of becket 2 is fixedly connected with the sidepiece of shell 4; On shell 4, injection moulding is combined with the conductive element device 3 being communicated with loud speaker peripheral circuits.Wherein, one end of conductive element device 3 and the lead-in wire of voice coil loudspeaker voice coil 9 are electrically connected, its other end extends to becket and is electrically connected with becket 2, vibrating diaphragm 1 and becket 2 are electrically connected, becket 2 and conductive element device 3 are electrically connected, and then the electrostatic that vibrating diaphragm 1 or becket 2 are produced can be discharged by conductive element device 3 in time.
In a specific embodiment of the present utility model, conductive element device 3 is positioned on the end face combined with becket 2 of shell 4 sidepiece, so that the electric connection between becket 2 and conductive element device 3.
In addition, the loud speaker that the utility model provides also comprises magnetic circuit system; Wherein, magnetic circuit system comprises frame 8 and the magnet 7 that is contained in frame 8 and washer 6; Magnet 7 and frame 8 bond fixing; Washer 6 is covered in the upper surface of magnet 7.
Particularly, the loud speaker that the utility model embodiment provides comprises magnetic circuit system, vibrational system and auxiliary system.Wherein, magnetic circuit system comprises frame 8, magnet 7 and washer 6; Vibrational system comprises vibrating diaphragm 1 and voice coil loudspeaker voice coil 9, and the downside of vibrating diaphragm 1 is combined with becket 2; Auxiliary system comprises shell 4.Loud speaker of the present utility model also comprises the conductive element device 3 for being communicated with loud speaker peripheral circuits.Wherein, becket 2 is combined in above shell 4, for fixed support vibrating diaphragm 1, and vibrating diaphragm 1 and becket 2 are electrically connected, becket 2 and conductive element device 3 are electrically connected, and it is inner that magnet 7 and washer 6 are contained in frame 8, and and between frame 8, certain distance is set, form magnetic gap, voice coil loudspeaker voice coil 9 and vibrating diaphragm 1 bond fixing, and one end of voice coil loudspeaker voice coil 9 is placed in this magnetic gap.In addition, the sidepiece of shell 4 is also provided with phonate hole; Be sticked in the position of the corresponding phonate hole of shell 4 damping screen 5, enters inside loudspeakers to prevent the pollutant in air.
Conductive element device 3 involved in the utility model is the components and parts that pad, FPCB or wire etc. can conduct electricity, and this conductive element device 3 is mainly used in being communicated with inside loudspeakers device and external circuit.As shown in Figure 3, in an embodiment of the present utility model, conductive element device 3 is the pad on shell fragment.Wherein, vibrating diaphragm 1 is fixed on becket 2, and becket 2 is fixed on shell 4 sidepiece, and shell fragment is provided with two, for connecting external circuit and voice coil loudspeaker voice coil 9.
Wherein, the shape of vibrating diaphragm 1 can be the structure of rectangle, racetrack or ellipse, and comprise the reinforcement part being incorporated into its centre and the vibrating diaphragm body being positioned at edge, becket 2 is fitted on shell 4, vibrating diaphragm 1 carries out support by becket 2 to be fixed, and the two conducts mutually.
In addition, damping screen 5 is pasted onto the position of the corresponding phonate hole of shell 2, the small particles of pollution thing in air can not only be stoped to enter inside loudspeakers, air-flow can also be avoided the direct impact of vibrating diaphragm 1, guarantee loud speaker tonequality in use and acoustical behavior thereof.
It should be noted that, in a specific embodiment of the present utility model, conductive element device 3 can be pad, this pad refers to any pad with electric action existed in this inside loudspeakers, it can be the pad that shell fragment self is arranged, also for the pad that FPCB is arranged, as long as can carry out being electrically connected with becket 2, specifically can not limit.
In addition, the frame 8 of the loud speaker that the utility model embodiment provides adopts the material of high magnetic conduction to be made, and is fixed on shell 4, can plays the effect of heat radiation in use procedure by gluing or fixed leg, when avoiding magnetic circuit system to work, temperature is too high, ensures the acoustical behavior of loud speaker.
In a preferred implementation of the present utility model, conductive element device 3 can be any one in pad, FPCB or wire etc., and becket 2 is with wherein any one carries out being electrically connected the electric discharge that all can realize vibrating diaphragm 1; Wherein, when conductive element device 3 is wire, this wire is the wire be connected with power line arbitrarily in loud speaker.
In the utility model, the conductive element device 3 being used for being communicated with loud speaker peripheral circuits is carried out conducting (being namely electrically connected) with the becket 2 of fixing vibrating diaphragm 1, the conductive element device 3 arranged by loud speaker self discharges the electrostatic of becket 2 or vibrating diaphragm 1 generation, the useful life of vibrating diaphragm can be extended, improve the tonequality of loud speaker, and prevent the damage that electrostatic causes loud speaker, simple to operate, production is high.
In the above-mentioned process that conductive element device 3 and becket 2 are conducted, conductive element device 3 is extended to becket 2, is electrically connected by the technique such as conducting resinl or laser welding and becket 2.Such as, when conductive element device 3 is wire, to the process of becket 2 release electrostatic of loud speaker, wire can be extended, make it extend to becket 2, and by the technique such as conducting resinl or laser welding, becket 2 and wire are electrically connected.In the same manner, also itself and becket 2 can be conducted by this kind of mode for the conductive element such as pad or FPCB device, and then the electrostatic of release vibrating diaphragm 1 or becket 2 generation.In this programme, vibrating diaphragm 1 realizes being electrically connected by same mode with becket 2.
It should be noted that, in specific implementation process, becket 2 and vibrating diaphragm 1, realize being electrically connected by the mode of laser welding or conducting resinl conducting between conductive element device 3 and becket 2, be only used to illustrate under existing technique this programme to realize and exemplaryly enumerating of making, conduction mode is not limited to above-mentioned two kinds, can also be other attainable conduction modes.
It should be noted that, in an embodiment of the present utility model, the extended surface of conductive element device 3 and the surface electrical conducting of becket 2; Due to vibrating diaphragm 1 be by becket 2 fixed support and the two also for be electrically connected, when vibrating diaphragm 1 or becket 2 produce electrostatic, can, by discharging with the conductive element device 3 of its electric connection, avoid electrostatic to damage loud speaker.
In addition, in order to successfully discharge the electrostatic that vibrating diaphragm 1 or becket 2 produce, in the process that becket 2 and conductive element device 3 are conducted, guarantee that the resistance of the two electric connection part is not more than 2K ohm as far as possible.In other words, conductive element device 3 and the resistance of becket 2 coupling part are controlled within 2K ohm, to guarantee that the electrostatic that becket 2 or vibrating diaphragm 1 produce also discharges smoothly in time.
Particularly, as an example, Fig. 4 shows the cross-section structure of the loud speaker according to the utility model embodiment; Fig. 5 shows the partial enlargement structure of I part in Fig. 4.
As Fig. 4 and Fig. 5 jointly shown in, in this specific embodiment, becket 2 and conductive element device 3 (being arranged on the pad on shell fragment) conduct mutually, because the vibrating diaphragm 1 of becket 2 with loud speaker is electrically connected mutually, when vibrating diaphragm 1 or becket 2 produce electrostatic, can be discharged by the conductive element device 3 be electrically connected with becket 2 in time.
Conductive element device 3 extends to becket 2, be electrically connected by the technique such as conducting resinl or laser welding and becket 2, vibrating diaphragm 1 and becket 2 are electrically connected, do not need to add parts can realize discharging to the ground connection of vibrating diaphragm and becket, lower cost can be utilized to improve loud speaker acoustical behavior and life-span thereof; In addition, the technique such as conducting resinl and laser welding is in acoustic-electric field extensive use, and technical maturity, can realize the batch production of the loud speaker that the utility model provides.
Can be found out by above-mentioned execution mode, the loud speaker that the utility model provides, by the becket of fixed support vibrating diaphragm is connected with the conductive element device electric of inside loudspeakers, vibrating diaphragm and becket are electrically connected simultaneously, the electrostatic that release becket and vibrating diaphragm produce, the useful life of vibrating diaphragm can be extended, improve the tonequality of loud speaker, the damage avoiding loud speaker in use because self-electrostatic causes.In addition, the loud speaker that the utility model provides, cost of manufacture is low, and technique is simple, does not need to add parts, utilizes lower cost can improve loud speaker acoustical behavior and life of product.
The loud speaker according to the utility model proposes is described in an illustrative manner above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the loud speaker that above-mentioned the utility model is proposed, various improvement can also be made on the basis not departing from the utility model content.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (9)
1. a loud speaker, comprises shell and vibrational system; Described vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; The becket supporting described vibrating diaphragm is combined with on the downside of described vibrating diaphragm; Fix with described shell sidepiece on the downside of described becket; Injection moulding is combined with the conductive element device being communicated with described loud speaker peripheral circuits on the housing; It is characterized in that,
One end of described conductive element device and the lead-in wire of described voice coil loudspeaker voice coil are electrically connected, and the other end extends to described becket;
Described vibrating diaphragm and described becket are electrically connected;
Described becket is connected with described conductive element device electric.
2. loud speaker as claimed in claim 1, is characterized in that,
Described vibrating diaphragm and described becket are electrically connected by laser welding or conducting resinl.
3. loud speaker as claimed in claim 1, is characterized in that,
Described becket and described conductive element device are also electrically connected by laser welding or conducting resinl.
4. loud speaker as claimed in claim 1, is characterized in that,
Described conductive element device comprises pad, FPCB and wire.
5. loud speaker as claimed in claim 4, is characterized in that,
Described pad is positioned on the shell fragment of described loud speaker.
6. loud speaker as claimed in claim 3, is characterized in that,
The extended surface of described conductive element device and the surface electrical conducting of described becket.
7. loud speaker as claimed in claim 1, is characterized in that,
The resistance of described becket and conductive element device electric coupling part is not more than 2 kilo-ohms.
8. loud speaker as claimed in claim 1, is characterized in that, also comprise magnetic circuit system; Wherein,
Described magnetic circuit system comprises frame and the magnet that is contained in described frame and washer; Described magnet and described frame bond fixing; Described washer is covered in the upper surface of described magnet.
9. loud speaker as claimed in claim 1, is characterized in that,
The sidepiece of described shell is provided with phonate hole;
The position of the corresponding described phonate hole of described shell has been sticked damping screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215221.0U CN204518065U (en) | 2015-04-10 | 2015-04-10 | Loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215221.0U CN204518065U (en) | 2015-04-10 | 2015-04-10 | Loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204518065U true CN204518065U (en) | 2015-07-29 |
Family
ID=53715990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520215221.0U Active CN204518065U (en) | 2015-04-10 | 2015-04-10 | Loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204518065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105681979A (en) * | 2015-12-31 | 2016-06-15 | 歌尔声学股份有限公司 | Loudspeaker |
| CN109327781A (en) * | 2018-11-16 | 2019-02-12 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
| CN109672964A (en) * | 2018-11-16 | 2019-04-23 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
-
2015
- 2015-04-10 CN CN201520215221.0U patent/CN204518065U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105681979A (en) * | 2015-12-31 | 2016-06-15 | 歌尔声学股份有限公司 | Loudspeaker |
| CN105681979B (en) * | 2015-12-31 | 2019-07-19 | 歌尔股份有限公司 | Loudspeaker |
| CN109327781A (en) * | 2018-11-16 | 2019-02-12 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
| CN109672964A (en) * | 2018-11-16 | 2019-04-23 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
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. |