CN203193868U - Multifunctional speaker - Google Patents

Multifunctional speaker Download PDF

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Publication number
CN203193868U
CN203193868U CN 201320124060 CN201320124060U CN203193868U CN 203193868 U CN203193868 U CN 203193868U CN 201320124060 CN201320124060 CN 201320124060 CN 201320124060 U CN201320124060 U CN 201320124060U CN 203193868 U CN203193868 U CN 203193868U
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CN
China
Prior art keywords
vibrating diaphragm
housing
magnetic circuit
multifunction speaker
voice coil
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CN 201320124060
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Chinese (zh)
Inventor
杨健斌
江超
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Goertek Inc
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Goertek Inc
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Priority to CN 201320124060 priority Critical patent/CN203193868U/en
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Abstract

The utility model discloses a multifunctional speaker comprising a vibration system, a magnetic circuit system and a peripheral frame used for accommodating and fixing the vibration system and the magnetic circuit system. The vibration system includes a first vibration film and voice coils combined to one side of the first vibration film, and magnetic gaps accommodating the voice coils are formed in the magnetic circuit system. The vibration system further includes a second vibration film used for supporting and fixing the magnetic circuit system and located in a position, opposite to the first vibration film, inside the multifunctional speaker. Leakage holes communicating the inside of the multifunctional speaker and the outside are arranged in a portion, located between the first vibration film and the second vibration film, of the peripheral frame.

Description

Multifunction speaker
Technical field
The utility model relates to the electroacoustic field, is specifically related to a kind of multifunction speaker.
Background technology
The multifunction speaker that has vibrating function at present is widely used, and the multifunction speaker of this structure has the function of loud speaker and vibrating motor simultaneously concurrently.This multifunction speaker involving vibrations system, magnetic circuit system and shell, vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, can produce sound during the vibrating diaphragm vibration, and magnetic circuit system generally includes the basin frame of magnet and magnetic conduction, and magnetic circuit system forms the magnetic gap of accommodating voice coil loudspeaker voice coil.Magnetic circuit system is not fixed on the shell as oscillator in the multifunction speaker, but by an elastic supporting member for supporting optical member fixed support, produce the sense of shaking during the magnetic circuit system vibration.Because the resonance frequency of magnetic circuit system system is lower, the magnetic circuit system vibration produces and significantly shakes sense and the vibration of vibrational system is not obvious under the low frequency condition, and at this time multifunction speaker is used as vibrating motor; And in the medium-high frequency section, the vibration of magnetic circuit system is not obvious, and the vibrational system vibration is obviously mainly used the vocal function of multifunction speaker this moment.
The multifunction speaker of this structure, fixedly the elastic supporting member for supporting optical member of magnetic circuit system mostly is the metal clips structure, only plays the effect of fixed support magnetic circuit system, does not have help for the lifting of multifunction speaker low-frequency range acoustical behavior.Therefore, be necessary to provide a kind of multifunction speaker, can improve the acoustical behavior of product by the structure of product inside.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of multifunction speaker, can improve the low frequency sound effect of multifunction speaker, improves the whole acoustical behavior of product.
To achieve these goals, the utility model provides a kind of multifunction speaker, involving vibrations system, magnetic circuit system, and the peripheral frame of accommodating fixing described vibrational system and described magnetic circuit system; Vibrational system comprises first vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of described first vibrating diaphragm, one side, described magnetic circuit system forms the magnetic gap of accommodating described voice coil loudspeaker voice coil, wherein, second vibrating diaphragm that also comprises the described magnetic circuit system of support fixation, described second vibrating diaphragm are positioned at inner relative with described first vibrating diaphragm position of described multifunction speaker; Be provided with in described first vibrating diaphragm and part between described second vibrating diaphragm on the described peripheral frame and be communicated with the inner and extraneous leak of multifunction speaker.
In addition, preferred scheme is, described peripheral frame comprises first housing over against described first vibrating diaphragm, over against the 3rd housing of described second vibrating diaphragm, and is incorporated into second housing between described first housing and described the 3rd housing; Described first vibrating diaphragm is incorporated on the end face between described first housing and described second housing, and described second vibrating diaphragm is incorporated on the end face between described second housing and described the 3rd housing, and described second housing is provided with described leak.
In addition, preferably scheme is, described first housing is provided with phonate hole over against the surface of described first vibrating diaphragm, and described the 3rd housing also is provided with phonate hole over against the surface of described second vibrating diaphragm.
In addition, preferred scheme is that described magnetic circuit system comprises magnet and is incorporated into described magnet away from the magnetic conduction basin frame of described first vibrating diaphragm, one side, described second vibrating diaphragm and described basin frame secure bond.
In addition, preferred scheme is that described second vibrating diaphragm is the circulus of hollow, comprises and the joint portion of described basin frame secure bond and the ring portion that arranges around described joint portion.
In addition, preferably scheme is, described basin frame comprises sidewall, and described sidewall is provided with fixed part, the joint portion of described second vibrating diaphragm and the described fixed part secure bond of extending laterally.
In addition, preferred scheme is that the intensity of described second vibrating diaphragm is greater than described first vibrating diaphragm.
In addition, preferred scheme is that the material of described second vibrating diaphragm is silicon rubber or PU.
After adopting technique scheme, compare with traditional structure, the utility model also is provided with second vibrating diaphragm of support fixation magnetic circuit system, and be provided with corresponding to the space between first vibrating diaphragm and second vibrating diaphragm on the peripheral frame and expect the leak that forms, the multifunction speaker of this structure, second vibrating diaphragm not only can the support fixation systems, and can vibrate and sound, thereby can strengthen low frequency characteristic, improve the sounding effect of multifunction speaker.
Description of drawings
By below in conjunction with accompanying drawing the utility model being described, above-mentioned feature of the present utility model and technological merit will become apparent and understand easily.
Fig. 1 is the three-dimensional decomposition texture schematic diagram of the utility model multifunction speaker.
Fig. 2 is the vertical view of the utility model multifunction speaker.
Fig. 3 is A-A cross-sectional view shown in Figure 2.
Fig. 4 is the perspective view of the utility model second vibrating diaphragm.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done further detailed description.
As shown in Figures 1 to 4, the disclosed multifunction speaker involving vibrations of the utility model system, magnetic circuit system and peripheral frame.Wherein, vibrational system comprises first vibrating diaphragm 21, is incorporated into the voice coil loudspeaker voice coil 22 of first vibrating diaphragm, 21 downsides, drives 21 vibrations of first vibrating diaphragm by voice coil loudspeaker voice coil 22 in the course of work and sounds.Magnetic circuit system comprises washer 31, magnet 32 and the basin frame 33 of combination successively, the downside of magnetic circuit system is provided with second vibrating diaphragm 23 that supports magnetic circuit system, second vibrating diaphragm 23 and basin frame 33 secure bond, the utility model magnetic circuit system can be used as oscillator vibration, and second vibrating diaphragm 23 can be followed magnetic circuit system vibration and be provided elastic-restoring force for magnetic circuit system.Peripheral frame comprises first housing 11, second housing 12 and the 3rd housing 13 of accommodating vibrational system and magnetic circuit system, first housing 11 arranges and is provided with phonate hole over against the surface of first vibrating diaphragm 21 over against first vibrating diaphragm 21, the 3rd housing 13 arranges over against second vibrating diaphragm 23, and the 3rd housing is provided with the phonate hole 131 in connection multifunction speaker and the external world over against a side of second vibrating diaphragm 23; Wherein, first housing 11 and second housing 12 are for fixing first vibrating diaphragm, 21, the second housings 12 and the 3rd housing 13 for fixing second vibrating diaphragm 23.Also comprise electrical connector 4, the utility model electrical connector 4 is spring-like structures, is used for being electrically connected internal circuit and the external circuit of multifunction speaker.
The utility model multifunction speaker has the function of vibration and sounding simultaneously, the resonance frequency of magnetic circuit system is lower, and the resonance frequency of vibrational system is higher, therefore produces the sense of shaking in relative low-frequency range magnetic circuit system vibration, produces sound in the vibration of relative high frequency section vibrational system.Voice coil loudspeaker voice coil 22 is contained in the magnetic gap of magnetic circuit system formation, and behind the connection signal of telecommunication, in the medium-high frequency section, voice coil loudspeaker voice coil 22 is stressed up-down vibration in the magnetic field that magnetic circuit system forms in the voice coil loudspeaker voice coil 22, further drives 21 vibrations of first vibrating diaphragm and produces sound; In low-frequency range, vibrational system is not vibrated, and magnetic circuit system and voice coil loudspeaker voice coil 22 produce the interaction force up-down vibration, and second vibrating diaphragm 23 supports the magnetic circuit system vibration.What the utility model support fixation magnetic circuit system vibrated is second vibrating diaphragm 23, second vibrating diaphragm 23 can produce sound in the process of following the magnetic circuit system vibration, thereby can take full advantage of low frequency signal and produce low-frequency sound wave, thereby can improve the low frequency performance of multifunction speaker.
In addition, in order to support magnetic circuit system, second vibrating diaphragm 23 is compared with first vibrating diaphragm 21 has higher intensity, and preferred, second vibrating diaphragm 23 can adopt silicon rubber or PU material, but is not limited to above-mentioned material.In addition, second vibrating diaphragm 21 and the mode secure bond of basin frame 33 by bonding, basin frame 33 is provided with sidewall, and the edge of sidewall is provided with the fixed part 331 that extends laterally, as shown in Figure 3, the center of second vibrating diaphragm 23 is provided with joint portion 231, the edge of joint portion 231 is provided with ring portion 232, and as shown in Figure 4, joint portion 231 adhesive bond are in the side of fixed part 331 away from first vibrating diaphragm 21, during the magnetic circuit system vibration, 232 vibrations of ring portion produce sound.
The operatic tunes before space between first vibrating diaphragm 21 and first housing 11 forms first, the first preceding operatic tunes is in communication with the outside by the phonate hole at first housing, 11 centers; The operatic tunes before space between second vibrating diaphragm 23 and the 3rd housing 13 forms second, the second preceding operatic tunes is in communication with the outside by the phonate hole 131 on the 3rd housing 13, and the acoustic radiating that second vibrating diaphragm 23 is produced arrives extraneous.Space between first vibrating diaphragm 21 and second vibrating diaphragm 23 forms the back operatic tunes of this multifunction speaker, because first vibrating diaphragm 21 is opposite with the phase place of the sound wave that second vibrating diaphragm 23 produces, be provided with corresponding to the position of the back operatic tunes on the sidewall of second housing 12 and be communicated with the back operatic tunes and extraneous leak 121, leak 121 is used for the air pressure in the operatic tunes after the balance.Need to prove that the operatic tunes also can share identical phonate hole before the first preceding operatic tunes and second, is not limited to the structure of the different phonate holes of above-mentioned application.
Under above-mentioned instruction of the present utility model; those skilled in the art can be in his improvement of the basic enterprising Xingqi of above-described embodiment and distortion; and these improvement and distortion; all drop in the protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.The multifunction speaker of this structure, second vibrating diaphragm not only can the support fixation systems, and can vibrate and sound, thereby can strengthen low frequency characteristic, improve the sounding effect of multifunction speaker.

Claims (8)

1. multifunction speaker, involving vibrations system, magnetic circuit system, and the peripheral frame of accommodating fixing described vibrational system and described magnetic circuit system; Vibrational system comprises first vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of described first vibrating diaphragm, one side, described magnetic circuit system forms the magnetic gap of accommodating described voice coil loudspeaker voice coil, it is characterized in that, second vibrating diaphragm that also comprises the described magnetic circuit system of support fixation, described second vibrating diaphragm are positioned at inner relative with described first vibrating diaphragm position of described multifunction speaker; Be provided with in described first vibrating diaphragm and part between described second vibrating diaphragm on the described peripheral frame and be communicated with the inner and extraneous leak of multifunction speaker.
2. multifunction speaker according to claim 1, it is characterized in that, described peripheral frame comprises first housing over against described first vibrating diaphragm, over against the 3rd housing of described second vibrating diaphragm, and is incorporated into second housing between described first housing and described the 3rd housing; Described first vibrating diaphragm is incorporated on the end face between described first housing and described second housing, and described second vibrating diaphragm is incorporated on the end face between described second housing and described the 3rd housing, and described second housing is provided with described leak.
3. multifunction speaker according to claim 2 is characterized in that, described first housing is provided with phonate hole over against the surface of described first vibrating diaphragm, and described the 3rd housing also is provided with phonate hole over against the surface of described second vibrating diaphragm.
4. according to the described multifunction speaker of the arbitrary claim of claim 1 to 3, it is characterized in that described magnetic circuit system comprises magnet and is incorporated into described magnet away from the magnetic conduction basin frame of described first vibrating diaphragm, one side, described second vibrating diaphragm and described basin frame secure bond.
5. multifunction speaker according to claim 4 is characterized in that, described second vibrating diaphragm is the circulus of hollow, comprises and the joint portion of described basin frame secure bond and the ring portion that arranges around described joint portion.
6. multifunction speaker according to claim 5 is characterized in that, described basin frame comprises sidewall, and described sidewall is provided with fixed part, the joint portion of described second vibrating diaphragm and the described fixed part secure bond of extending laterally.
7. multifunction speaker according to claim 4 is characterized in that, the intensity of described second vibrating diaphragm is greater than described first vibrating diaphragm.
8. multifunction speaker according to claim 7 is characterized in that, the material of described second vibrating diaphragm is silicon rubber or PU.
CN 201320124060 2013-03-19 2013-03-19 Multifunctional speaker Active CN203193868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320124060 CN203193868U (en) 2013-03-19 2013-03-19 Multifunctional speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320124060 CN203193868U (en) 2013-03-19 2013-03-19 Multifunctional speaker

Publications (1)

Publication Number Publication Date
CN203193868U true CN203193868U (en) 2013-09-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103209377A (en) * 2013-03-19 2013-07-17 歌尔声学股份有限公司 Multi-functional loudspeaker
WO2014187115A1 (en) * 2013-05-18 2014-11-27 歌尔声学股份有限公司 Double-vibrating-diaphragm loudspeaker module
WO2020000809A1 (en) * 2018-06-25 2020-01-02 歌尔股份有限公司 Loudspeaker and portable terminal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103209377A (en) * 2013-03-19 2013-07-17 歌尔声学股份有限公司 Multi-functional loudspeaker
CN103209377B (en) * 2013-03-19 2016-02-17 歌尔声学股份有限公司 Multifunction speaker
WO2014187115A1 (en) * 2013-05-18 2014-11-27 歌尔声学股份有限公司 Double-vibrating-diaphragm loudspeaker module
US9628900B2 (en) 2013-05-18 2017-04-18 Goertek Inc. Double-vibrating-diaphragm loudspeaker module
WO2020000809A1 (en) * 2018-06-25 2020-01-02 歌尔股份有限公司 Loudspeaker and portable terminal

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GR01 Patent grant
C14 Grant of patent or utility model
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.

C56 Change in the name or address of the patentee