CN202907170U - Passive radiator and corresponding speaker box - Google Patents
Passive radiator and corresponding speaker box Download PDFInfo
- Publication number
- CN202907170U CN202907170U CN 201220571355 CN201220571355U CN202907170U CN 202907170 U CN202907170 U CN 202907170U CN 201220571355 CN201220571355 CN 201220571355 CN 201220571355 U CN201220571355 U CN 201220571355U CN 202907170 U CN202907170 U CN 202907170U
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- Prior art keywords
- vibrating diaphragm
- mass
- passive radiator
- audio amplifier
- fixed part
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Abstract
The utility model relates to a passive radiator and a corresponding speaker box. The passive radiator is arranged on a housing of the corresponding speaker box and comprises a vibration membrane, a counterweight and connecting parts, wherein the vibration membrane is used for vibrating in response to air pressure so as to enhance the low-frequency performance of the speaker box, the counterweight is arranged on the vibration membrane and is used for controlling the vibration amplitude of the vibration membrane, and the connecting parts are used for fixing the vibration membrane on the housing of the speaker box. The vibration membrane includes a vibration membrane body and a fixing part which is arranged around the surface of the vibration membrane and extends to the center of the vibration membrane, wherein the fixing part and the vibration membrane body are integrally molded and form an accommodating space in which the counterweight is arranged. According to the passive radiator and the corresponding speaker box of the utility model, the counterweight can be well fixed in the middle of the vibration membrane through the fixing part and can be prevented from being loosened and falling off.
Description
Technical field
The utility model relates to loud speaker and makes the field, more particularly, relates to a kind of passive radiator and corresponding audio amplifier.
Background technology
In the design of audio amplifier is produced, inner installation initiatively loud speaker and the passive radiator of generally needing of audio amplifier, initiatively loud speaker and passive radiator all adopt split type design usually.Fig. 1 is a kind of structural representation of existing audio amplifier, and this audio amplifier comprises shell 11, active loud speaker 12 and passive radiator 13, and this active loud speaker 12 is installed on the shell 11, and passive radiator 13 also is installed on the shell 11.Initiatively loud speaker 12 is fed the signal of telecommunication, causes the initiatively vibrating diaphragm vibration-generating of loud speaker 12, thereby sends the sound of medium-high frequency.Meanwhile, passive radiator 13 not with any object electric coupling, and only provide the vibrating diaphragm that can respond air pressure and vibrate, passive radiator 13 is usually used to strengthen the low frequency performance of audio amplifier.
Fig. 2 is the structural representation of the passive radiator in the audio amplifier of Fig. 1.This passive radiator comprises vibrating diaphragm 131 and mass 132, wherein mass 132 is arranged on the vibrating diaphragm 131 by the method that attaches, because when audio amplifier uses, the Oscillation Amplitude of vibrating diaphragm 131 is larger, after long-term the use, mass 132 is easily loosening, even comes off from vibrating diaphragm 131, greatly affects the low frequency performance of audio amplifier and causes the cacophonia of audio amplifier.
Therefore, be necessary to provide a kind of passive radiator and corresponding audio amplifier with stable low frequency performance, to solve the existing problem of prior art.
The utility model content
The technical problems to be solved in the utility model is, for the easy technical problem of the loosening and low frequency performance that causes affecting audio amplifier of coming off of the mass of existing passive radiator, the passive radiator and the corresponding audio amplifier that provide a kind of vibrating diaphragm to have fixed part, it can well be fixed on mass on the vibrating diaphragm by fixed part, has avoided the loosening of mass and comes off.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of passive radiator, be arranged on the shell of corresponding audio amplifier, it comprises:
Vibrating diaphragm vibrates for the response air pressure, to strengthen the low frequency performance of described audio amplifier;
Mass is arranged on the described vibrating diaphragm, is used for controlling the Oscillation Amplitude of described vibrating diaphragm; And
Connecting portion is for the shell that described vibrating diaphragm is fixed on described audio amplifier;
Described vibrating diaphragm comprises the vibrating diaphragm body and is arranged on around the described vibrating diaphragm surface, and the fixed part that extends to described vibrating diaphragm center, described fixed part and described this body by integral forming of vibrating diaphragm, described fixed part and described vibrating diaphragm body consist of a spatial accommodation, and described mass is arranged in the described spatial accommodation.
In passive radiator described in the utility model, described fixed part and described vibrating diaphragm body consist of a confined space, and described mass is arranged in the described confined space.
In passive radiator described in the utility model, described connecting portion is elastic joint part, and described elastic joint part and described vibrating diaphragm are one-body molded.
In passive radiator described in the utility model, described mass is the metal weights thing, the rubber parts that described elastic joint part and described vibrating diaphragm are formed in one.
In passive radiator described in the utility model, the cross sectional shape of described vibrating diaphragm is square, rectangle, circle or oval, and the cross sectional shape of described mass is square, rectangle, circle or oval.
The utility model is also constructed a kind of audio amplifier, and it comprises:
Shell, surface are provided with initiatively loud speaker breach and passive radiator breach,
Initiatively loud speaker is arranged in the described active loud speaker breach, is used for sounding by the electroacoustic conversion; And
Passive radiator is arranged in the described passive radiator breach, comprising:
Vibrating diaphragm vibrates for the response air pressure, to strengthen the low frequency performance of described audio amplifier;
Mass is arranged on the described vibrating diaphragm, is used for controlling the Oscillation Amplitude of described vibrating diaphragm; And
Connecting portion is for the shell that described vibrating diaphragm is fixed on described audio amplifier;
Described vibrating diaphragm comprises the vibrating diaphragm body and is arranged on around the described vibrating diaphragm surface, and the fixed part that extends to described vibrating diaphragm center, described fixed part and described this body by integral forming of vibrating diaphragm, described fixed part and described vibrating diaphragm body consist of a spatial accommodation, and described mass is arranged in the described spatial accommodation.
In audio amplifier described in the utility model, described fixed part and described vibrating diaphragm body consist of a confined space, and described mass is arranged in the described confined space.
In audio amplifier described in the utility model, described connecting portion is elastic joint part, and described elastic joint part and described vibrating diaphragm are one-body molded.
In audio amplifier described in the utility model, described mass is the metal weights thing, the rubber parts that described elastic joint part and described vibrating diaphragm are formed in one.
In audio amplifier described in the utility model, the cross sectional shape of described vibrating diaphragm is square, rectangle, circle or oval, and the cross sectional shape of described mass is square, rectangle, circle or oval.
Implement passive radiator of the present utility model and corresponding audio amplifier, has following beneficial effect: mass can well be fixed on the vibrating diaphragm by fixed part, avoided the loosening of mass and come off, the mass that has solved existing passive radiator is the loosening technical problem that causes affecting the low frequency performance of audio amplifier easily.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is a kind of structural representation of existing audio amplifier;
Fig. 2 is the structural representation of the passive radiator in the audio amplifier of Fig. 1;
Fig. 3 is the structural representation of the first preferred embodiment of audio amplifier of the present utility model;
Fig. 4 is the structural representation of the first preferred embodiment of passive radiator of the present utility model;
Fig. 5 is the structural representation of the second preferred embodiment of audio amplifier of the present utility model;
Fig. 6 is the structural representation of the second preferred embodiment of passive radiator of the present utility model;
Wherein, description of reference numerals is as follows:
21, shell;
22, active loud speaker;
23, passive radiator;
231, vibrating diaphragm;
232, mass;
233, connecting portion;
31, vibrating diaphragm body;
32, fixed part.
Embodiment
Below the explanation of each embodiment be with reference to additional graphic, can be in order to the specific embodiment of implementing in order to illustration the utility model.The direction term that the utility model is mentioned, such as " on ", D score, 'fornt', 'back', " left side ", " right side ", " interior ", " outward ", " side " etc., only be the direction with reference to annexed drawings.Therefore, the direction term of use is in order to explanation and understands the utility model, but not in order to limit the utility model.
In the drawings, the unit of structural similarity is to represent with same numeral.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the structural representation of the first preferred embodiment of audio amplifier of the present utility model, and Fig. 4 is the structural representation of the first preferred embodiment of passive radiator of the present utility model.Wherein the passive radiator among Fig. 4 can be arranged in the audio amplifier of Fig. 3.This audio amplifier comprises shell 21, active loud speaker 22 and passive radiator 23.Shell 21 surfaces are provided with initiatively loud speaker breach and passive radiator breach; Initiatively loud speaker 22 is arranged in the active loud speaker breach of shell 21, is used for sending by the electroacoustic conversion sound of medium-high frequency; Passive radiator 23 is arranged in the passive radiator breach of shell 21, is used for sending by the response air pressure sound of low frequency.
This passive radiator 23 comprises vibrating diaphragm 231, mass 232 and connecting portion 233.Vibrating diaphragm 231 is used for the response air pressure and vibrates, to strengthen the low frequency performance of audio amplifier; Mass 232 is arranged on the vibrating diaphragm 231, is used for the Oscillation Amplitude of control vibrating diaphragm 231; Connecting portion 233 is used for vibrating diaphragm 231 is fixed in the passive radiator breach of casing of loudspeaker box 21.This vibrating diaphragm 231 comprises vibrating diaphragm body 31 and is arranged on around vibrating diaphragm 231 surface and the fixed parts 32 that extend to vibrating diaphragm 231 centers, and fixed part 32 and vibrating diaphragm body 31 can consist of a spatial accommodation like this, and mass 232 is arranged in this spatial accommodation.As shown in Figure 4, because the breach area of spatial accommodation is less than the area of section of mass 232, mass 232 can well be fixed in the spatial accommodation.
In this preferred embodiment, connecting portion 233 is elastic joint part, the rubber parts that this fixed part 32, vibrating diaphragm body 31 and above-mentioned elastic joint part are formed in one, and mass 232 can be preferably the metal weights thing.Wherein the cross sectional shape of vibrating diaphragm 231 can be but is not limited to square, rectangle, circle and oval, and the cross sectional shape of mass 232 can be but is not limited to square, rectangle, circle and oval.
When the audio amplifier of this preferred embodiment used, initiatively loud speaker 22 was fed the signal of telecommunication, makes it the vibrating diaphragm vibration-generating, sent the sound of medium-high frequency by the electroacoustic conversion.During simultaneously initiatively loud speaker 22 work, the air in can the shell 21 of compression sound box, the heat energy that above-mentioned electroacoustic conversion is produced and kinetic energy are converted to acoustic energy by the vibrating diaphragm 231 of the passive radiator 23 on the shell 21, send the sound of low frequency; Wherein the Oscillation Amplitude of vibrating diaphragm 231 can be controlled by the weight of the mass 232 of setting on the vibrating diaphragm 231.When the vibrating diaphragm 231 of passive radiator 23 vibrates, because the breach area of the spatial accommodation that vibrating diaphragm body 31 and fixed part 32 consist of is less than the area of section of mass 232, the rubber parts that while fixed part 32 and vibrating diaphragm body 31 are formed in one, therefore mass 232 can well be fixed in the spatial accommodation, can not cause because of the vibration of vibrating diaphragm 231 mass 232 loosening and come off from vibrating diaphragm 231 surfaces.
Please refer to Fig. 5 and Fig. 6, Fig. 5 is the structural representation of the second preferred embodiment of audio amplifier of the present utility model; Fig. 6 is the structural representation of the second preferred embodiment of passive radiator of the present utility model.This preferred embodiment is that with the difference of the first preferred embodiment fixed part 32 and vibrating diaphragm body 31 consist of a confined space, and mass 232 is arranged in this confined space.
In this preferred embodiment, section 32 and vibrating diaphragm body 31 are close to and are wrapped in the confined space (there is not breach in this confined space) because mass 232 is fixed, the rubber parts that while fixed part 32 and vibrating diaphragm body 31 are formed in one, mass 232 can well be fixed on the desired location on the vibrating diaphragm 231, the phenomenon such as can not become flexible, guarantee the vibration consistency of mass 232 and vibrating diaphragm 231.The passive radiator 23 of this preferred embodiment can be one-body molded by die casting rubber on mass 232 simultaneously, and cost of manufacture is lower.
Passive radiator of the present utility model and corresponding audio amplifier fix mass by spatial accommodation or the confined space of fixed part setting, can well mass be fixed on the vibrating diaphragm, avoided the loosening of mass and come off, the mass that has solved existing passive radiator is the loosening technical problem that causes affecting the low frequency performance of audio amplifier easily.
The above only is preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing in spirit of the present utility model and principle, is equal to and replaces or improvement etc., all should be included in the protection range of the present utility model.
Claims (10)
1. a passive radiator is arranged on the shell of corresponding audio amplifier, it is characterized in that, comprising:
Vibrating diaphragm vibrates for the response air pressure, to strengthen the low frequency performance of described audio amplifier;
Mass is arranged on the described vibrating diaphragm, is used for controlling the Oscillation Amplitude of described vibrating diaphragm; And
Connecting portion is for the shell that described vibrating diaphragm is fixed on described audio amplifier;
Described vibrating diaphragm comprises the vibrating diaphragm body and is arranged on around the described vibrating diaphragm surface, and the fixed part that extends to described vibrating diaphragm center, described fixed part and described this body by integral forming of vibrating diaphragm, described fixed part and described vibrating diaphragm body consist of a spatial accommodation, and described mass is arranged in the described spatial accommodation.
2. passive radiator according to claim 1 is characterized in that, described fixed part and described vibrating diaphragm body consist of a confined space, and described mass is arranged in the described confined space.
3. passive radiator according to claim 1 and 2 is characterized in that, described connecting portion is elastic joint part, and described elastic joint part and described vibrating diaphragm are one-body molded.
4. passive radiator according to claim 1 and 2 is characterized in that, described mass is the metal weights thing, the rubber parts that described elastic joint part and described vibrating diaphragm are formed in one.
5. passive radiator according to claim 1 and 2 is characterized in that, the cross sectional shape of described vibrating diaphragm is square, rectangle, circle or oval, and the cross sectional shape of described mass is square, rectangle, circle or oval.
6. an audio amplifier is characterized in that, comprising:
Shell, surface are provided with initiatively loud speaker breach and passive radiator breach,
Initiatively loud speaker is arranged in the described active loud speaker breach, is used for sounding by the electroacoustic conversion; And passive radiator, be arranged in the described passive radiator breach, comprising:
Vibrating diaphragm vibrates for the response air pressure, to strengthen the low frequency performance of described audio amplifier;
Mass is arranged on the described vibrating diaphragm, is used for controlling the Oscillation Amplitude of described vibrating diaphragm; And
Connecting portion is for the shell that described vibrating diaphragm is fixed on described audio amplifier;
Described vibrating diaphragm comprises the vibrating diaphragm body and is arranged on around the described vibrating diaphragm surface, and the fixed part that extends to described vibrating diaphragm center, described fixed part and described this body by integral forming of vibrating diaphragm, described fixed part and described vibrating diaphragm body consist of a spatial accommodation, and described mass is arranged in the described spatial accommodation.
7. audio amplifier according to claim 6 is characterized in that, described fixed part and described vibrating diaphragm body consist of a confined space, and described mass is arranged in the described confined space.
8. according to claim 6 or 7 described audio amplifiers, it is characterized in that, described connecting portion is elastic joint part, and described elastic joint part and described vibrating diaphragm are one-body molded.
9. according to claim 6 or 7 described audio amplifiers, it is characterized in that, described mass is the metal weights thing, the rubber parts that described elastic joint part and described vibrating diaphragm are formed in one.
10. according to claim 6 or 7 described audio amplifiers, it is characterized in that, the cross sectional shape of described vibrating diaphragm is square, rectangle, circle or oval, and the cross sectional shape of described mass is square, rectangle, circle or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571355 CN202907170U (en) | 2012-11-01 | 2012-11-01 | Passive radiator and corresponding speaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571355 CN202907170U (en) | 2012-11-01 | 2012-11-01 | Passive radiator and corresponding speaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202907170U true CN202907170U (en) | 2013-04-24 |
Family
ID=48127783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220571355 Expired - Fee Related CN202907170U (en) | 2012-11-01 | 2012-11-01 | Passive radiator and corresponding speaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202907170U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105025A (en) * | 2014-07-02 | 2014-10-15 | 音品电子（深圳）有限公司 | Trumpet structure with integrated active loudspeaker and passive radiator, and sound box |
| CN104954900A (en) * | 2014-03-28 | 2015-09-30 | 美律电子（惠州）有限公司 | Earphone with passive diaphragm |
| CN107936573A (en) * | 2017-11-28 | 2018-04-20 | 苏州佳世达光电有限公司 | Passive radiant panel and preparation method |
| CN109151674A (en) * | 2016-05-16 | 2019-01-04 | 广东欧珀移动通信有限公司 | Speaker system and corresponding mobile terminal |
| CN109275064A (en) * | 2018-09-30 | 2019-01-25 | 联想(北京)有限公司 | Speaker and control method applied to speaker |
| CN109495821A (en) * | 2018-12-07 | 2019-03-19 | 歌尔股份有限公司 | A kind of vibrating diaphragm and sounding device |
-
2012
- 2012-11-01 CN CN 201220571355 patent/CN202907170U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954900A (en) * | 2014-03-28 | 2015-09-30 | 美律电子（惠州）有限公司 | Earphone with passive diaphragm |
| CN104105025A (en) * | 2014-07-02 | 2014-10-15 | 音品电子（深圳）有限公司 | Trumpet structure with integrated active loudspeaker and passive radiator, and sound box |
| CN109151674A (en) * | 2016-05-16 | 2019-01-04 | 广东欧珀移动通信有限公司 | Speaker system and corresponding mobile terminal |
| CN109151674B (en) * | 2016-05-16 | 2021-03-02 | Oppo广东移动通信有限公司 | Loudspeaker system and corresponding mobile terminal |
| CN107936573A (en) * | 2017-11-28 | 2018-04-20 | 苏州佳世达光电有限公司 | Passive radiant panel and preparation method |
| CN107936573B (en) * | 2017-11-28 | 2020-10-16 | 苏州佳世达光电有限公司 | Passive radiating plate and preparation method thereof |
| CN109275064A (en) * | 2018-09-30 | 2019-01-25 | 联想(北京)有限公司 | Speaker and control method applied to speaker |
| CN109275064B (en) * | 2018-09-30 | 2020-06-23 | 联想(北京)有限公司 | Sound box and control method applied to sound box |
| CN109495821A (en) * | 2018-12-07 | 2019-03-19 | 歌尔股份有限公司 | A kind of vibrating diaphragm and sounding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20151101 |
|
| EXPY | Termination of patent right or utility model |