CN203968339U - Passive radiator audio amplifier - Google Patents
Passive radiator audio amplifier Download PDFInfo
- Publication number
- CN203968339U CN203968339U CN201420257082.3U CN201420257082U CN203968339U CN 203968339 U CN203968339 U CN 203968339U CN 201420257082 U CN201420257082 U CN 201420257082U CN 203968339 U CN203968339 U CN 203968339U
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- CN
- China
- Prior art keywords
- audio amplifier
- passive radiator
- main body
- loud speaker
- vibrating diaphragm
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- 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.)
- Expired - Lifetime
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- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 15
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a kind of passive radiator audio amplifier, comprise audio amplifier main body, active loud speaker and passive radiator, initiatively loud speaker and passive radiator are all arranged in audio amplifier main body; In audio amplifier main body, be provided with support, support top is provided with initiatively loud speaker, between support below and the base plate of audio amplifier main body, be provided with magnet assemblies, the sidewall of audio amplifier main body offers several through holes, described several through holes arrange around described audio amplifier main body, and passive radiator is arranged at described through hole outside.Audio amplifier main body, active loud speaker, passive radiator and base plate form enclosed construction jointly.The utility model arranges passive radiator surround speaker main body, has reduced taking up space of whole audio amplifier, makes audio amplifier thinner, also strengthened the vibration area of passive radiator simultaneously, promote audio frequency effect, solved current small-size sound box bass effect bad, the problems such as audio amplifier difficulty in arrangement.
Description
Technical field
The utility model relates to audio amplifier field, particularly a kind of passive radiator audio amplifier.
Background technology
Along with scientific and technological high speed development, audio amplifier is as the terminal of whole sound system, and its effect is that audio frequency electric energy is converted to corresponding acoustic energy, and it is radiate.Audio amplifier is the extremely important part of sound system, because it is being undertaken and the signal of telecommunication is transformed into acoustical signal is directly listening to this mission critical for people's ear.And passive radiator audio amplifier comprises initiatively loudspeaker unit and a passive radiator conventionally, passive radiator and initiatively loud speaker profile are similar, but there is no voice coil loudspeaker voice coil and drive magnet.It only has a cone, and get along well any voice coil loudspeaker voice coil or circuit are connected.Passive radiator is by audio amplifier, initiatively loud speaker is to carrying out passive sounding under the drive of air in casing, and it is usually used to adjust bass, makes designer can regulate the tone color of audio amplifier integral body.
At present, popular small size passive radiator audio amplifier on market, however passive radiator sounding in this small size passive radiator audio amplifier vibration area is little, and bass effect is poor, and in addition, small size passive radiator audio amplifier space is also difficult to arrange, urgently to be resolved hurrily.
Utility model content
Main purpose of the present utility model, for a kind of passive radiator audio amplifier is provided, is intended to reduce taking up space of whole small-size sound box, promotes audio frequency effect, solves current small-size sound box bass effect bad, the problems such as audio amplifier difficulty in arrangement.
In order to realize above object, the utility model proposes a kind of passive radiator audio amplifier, comprise audio amplifier main body, active loud speaker and passive radiator, described active loud speaker and passive radiator are all arranged in described audio amplifier main body, in described audio amplifier main body, be provided with support, described active loud speaker is arranged on described support top, between described support below and the base plate of described audio amplifier main body, is provided with magnet assemblies; The sidewall of described audio amplifier main body offers through hole, and described through hole arranges around described audio amplifier main body; Described passive radiator is arranged at described through hole outside, and by described through hole sealing; Described audio amplifier main body, active loud speaker, passive radiator and base plate form enclosed construction jointly.
Preferably, described magnet assemblies comprises magnetic conductor, magnet and magnetic conductive board, and described magnet is arranged in the middle of described magnetic conductor and magnetic conductive board, and described magnetic conductor is near described support setting, and described magnetic conductive board is near described base plate setting; Wherein, described magnetic conductor is split setting, comprises magnetic conducting inner ring and magnetic conduction outer shroud, and described magnet is split setting, comprises ring and magnet outer shroud in magnet.
Preferably, described magnetic conduction outer shroud is provided with groove, and described support and described groove correspondence position are provided with projection, and described magnetic conductor coordinates by groove and projection with described support.
Preferably, described active loud speaker comprises vibrating diaphragm and dust cap, and described vibrating diaphragm undulate arranges.
Preferably, described passive radiator audio amplifier is cylindric setting.
Preferably, described passive radiator is arcuation setting, and described passive radiator covers described through hole, and by described through hole sealing.
Preferably, described passive radiator comprises vibrating diaphragm and flanging, and described flanging surrounds described vibrating diaphragm, and described flanging has two elongated areas, fit with the periphery of described vibrating diaphragm and described through hole respectively in described two elongated areas, the edge shape that described flanging surrounds is identical with the shape of described through hole.
Preferably, described passive radiator comprises vibrating diaphragm and flanging, and described flanging and vibrating diaphragm are one-body molded, and the edge shape that described flanging surrounds is identical with the shape of described through hole.
Preferably, described passive radiator is three.
Preferably, described base plate is elastic component.
Passive radiator of the present utility model has reduced taking up space of whole audio amplifier, has strengthened the vibration area of passive radiator, has promoted audio frequency effect, has solved current small-size sound box bass effect bad, the problems such as audio amplifier difficulty in arrangement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model passive radiator audio amplifier one embodiment;
Fig. 2 is passive radiator audio amplifier blast structural representation in Fig. 1;
Fig. 3 is the end view of passive radiator in Fig. 2;
Fig. 4 be in Fig. 3 passive radiator along the cutaway view of A-A section one embodiment;
Fig. 5 be in Fig. 3 passive radiator along the cutaway view of another embodiment of A-A section.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Shown in Fig. 1-Fig. 2, Fig. 1 is passive radiator structural representation in the utility model one embodiment, and Fig. 2 is passive radiator audio amplifier blast structural representation in Fig. 1.This embodiment provides a kind of passive radiator audio amplifier, comprises audio amplifier main body 3, active loud speaker 1 and passive radiator 2.Described active loud speaker 1 and passive radiator 2 are all arranged in described audio amplifier main body 3; In audio amplifier main body 3, be provided with support 33, for the fixing and installation of auxiliary sound box inner structure part (as: initiatively loud speaker), support 33 is fixedly connected with the inwall (not indicating in figure) of described audio amplifier main body 3; Support 33 upper stratas are provided with initiatively loud speaker 1, and support lower floor is provided with magnet assemblies (not indicating in figure) and base plate 70, and described magnet assemblies is arranged between described support 33 and described base plate 70.The sidewall 31 of audio amplifier main body 3 offers through hole 32, and described through hole 32 arranges around described audio amplifier main body 3, and described passive radiator 2 is arranged at the outside of described through hole 32.Like this, described audio amplifier main body 3, initiatively loud speaker 1, passive radiator 2 and base plate 70 are common forms enclosed constructions.The passive radiator audio amplifier that the utility model provides is arranged on passive radiator 2 lateral wall 31 of audio amplifier main body 3, and these passive radiator 2 surround speaker main bodys 3 arrange, on the one hand, passive radiator 2 does not take audio amplifier main body 3 inner spaces, so just reduced taking up space of whole audio amplifier, made audio amplifier volume less; On the other hand, this layout strengthens the vibration area of passive radiator 2, has promoted the effect of audio frequency.
Further, described magnet assemblies comprises magnetic conductor 40, magnet 50 and magnetic conductive board 60, and described magnet 50 is arranged between described magnetic conductor 40 and magnetic conductive board 60.Described magnet 50 split settings, the magnet 50 of split setting comprises ring 51 and magnet outer shroud 52 in magnet, in described magnet, ring 51 is arranged in described magnet outer shroud 52; Corresponding, described magnetic conductor 40 split settings, the magnetic conductor 40 of split setting comprises magnetic conducting inner ring 41 and magnetic conduction outer shroud 42, described magnetic conducting inner ring 41 is arranged in described magnetic conduction outer shroud 42.The magnetic conductor 40 of split setting can be controlled direction and the density of magnetic flux, can increase the sensitivity of sounding, can make audio amplifier sounding effect better; The magnet 50 of split setting can improve the sensitivity of loud speaker sounding, can also increase the stroke of loudspeaker voice coil, makes sounding effect better.
Further, described magnetic conduction outer shroud 42 is provided with groove (not indicating in figure), the position that described support 33 is corresponding with described groove is provided with projection (not indicating in figure), described magnetic conduction outer shroud 42 coordinates by groove and projection with described support 33, during mounting base 70, on the one hand, base plate 70 is fixing with described sidewall 31, on the other hand, base plate 70 is supported described magnet assemblies, makes magnetic conductor 40 and described support 33 secure fit.
Further, described active loud speaker 1 comprises vibrating diaphragm 11, dust cap 12 and voice coil loudspeaker voice coil 13, and described dust cap 12 is arranged in the middle of described vibrating diaphragm 11, and described voice coil loudspeaker voice coil 13 is arranged at the back side of described vibrating diaphragm 11, and is fixedly connected with described vibrating diaphragm 11.Described dust cap 12 is for avoiding dust to enter voice coil loudspeaker voice coil, because dust enters, is with noise when voice coil loudspeaker voice coil 13 easily causes initiatively loud speaker 1 sounding.Described vibrating diaphragm 11 edges fit in the end face of described audio amplifier main body 3, by end face seal.In order to make, initiatively loud speaker 1 sounding is better, described vibrating diaphragm 11 is set to waveform, increased so on the one hand main body loud speaker 1 sounding area, can improve on the other hand the anti-twist intensity of vibrating diaphragm 11, controlling vibrating diaphragm 11 can make the institute on it a little along same direction vector, do conforming movement in motion process, thereby improve the radiation efficiency of sound, reduce distortion.
Further, described audio amplifier can be arranged to various shape, as: cylinder, Fang Ti etc.The preferred cylinder of shape of the utility model passive radiator audio amplifier.On the one hand, the cylinder of same material consumption, identical wall thickness, equal height and square body, the area of cylindrical end face is greater than the area of described side's body end face, like this, the area that is arranged at the vibrating diaphragm 11 on the active loud speaker 1 of cylindrical londspeaker box just can maximize, and is conducive to the initiatively sounding of loud speaker.On the other hand, the outer wall 31 of cylindrical londspeaker box is arcuation, and the through hole 32 that is arranged at cylindrical sidewall 31 is arcuation, and this is conducive to the propagation of sound.
Further, because the sidewall 31 of audio amplifier main body 3 is arcuation, for the ease of the installation of described passive radiator 2, passive radiator 2 is made as arcuation, like this, described passive radiator 2 just can with sidewall 31 laminatings of audio amplifier main body 3.Described passive radiator 2 is fixedly installed in the position of described through hole 32, and by described through hole 32 sealings, herein, can be with glue, the edge of passive radiator 2 and described through hole 32 peripheries is bonding, can guarantee better air-tightness like this., be understandable that, the material of described passive radiator should have excellent damping characteristic, elasticity, linearity and easy-adhesion meanwhile, while using in audio amplifier, also should have good thermal stability.
Further, as shown in Figure 3, described passive radiator 2 comprises vibrating diaphragm 21 and flanging 22, described flanging 22 surrounds described vibrating diaphragm 21, and described flanging 22 has two elongated areas (not indicating in figure), two elongated areas respectively with the bonding laminating of periphery of described vibrating diaphragm 21 and described through hole 32, like this, passive radiator 2 just can, by described through hole 32 sealings, make the air in audio amplifier can not be leaked to the external world.
Further, the edge shape that described flanging 22 surrounds is identical with the shape of described through hole 32, like this, flanging 22 can improve the anti-twist intensity of vibrating diaphragm 21 on the one hand, control vibrating diaphragm 21 in motion process, can make the institute on it a little along same direction vector, do conforming movement, thereby improve the radiation efficiency of sound, reduce distortion; Be beneficial on the other hand the installation of passive radiator 2, guaranteed the stability that passive radiator 2 is installed, while being unlikely to due to sounding, the excessive passive radiator 2 that causes of voice coil loudspeaker voice coil 13 strokes is shaken.
Be understandable that, described passive radiator 2 can also adopt vibrating diaphragm 21 one-body molded, on described vibrating diaphragm 21, is concaved with flanging 22, and the edge shape that described flanging 22 surrounds is identical with the shape of described through hole 32.Seamless link between flanging 22 and vibrating diaphragm 21, like this, the air-tightness of described passive radiator 2 is better, and voice effect is better, can reduce production process again simultaneously, saves material, reduces costs, convenient installation.In addition, the anti-twist intensity of vibrating diaphragm 21 can be improved in the flanging 22 one side limits that are arranged with on vibrating diaphragm 21, controls vibrating diaphragm 21 in motion process, can make the institute on it a little along same direction vector, do conforming movement, thereby improve the radiation efficiency of sound, reduce distortion; Be beneficial on the other hand the installation of passive radiator 2, guaranteed the stability that passive radiator 2 is installed, while being unlikely to due to sounding, the excessive passive radiator 2 that causes of voice coil loudspeaker voice coil 13 strokes is shaken.
Further, described passive radiator 2 is three.This is that acoustic radiating efficiency can reduce because the long meeting of vibrating diaphragm 21 of passive radiator 2 causes its anti-twist ability, and these all can cause the distortion of sound.The utility model is provided with three passive radiators 2, three passive radiators 2 arrange around described audio amplifier main body 3 uniformly, can can obtain bass at audio amplifier periphery like this, in addition vibrating diaphragm 21 moderate length of passive radiator 2, anti-twist ability is strong, guarantee the radiation efficiency of sound, reduced the distortion of sound.
Further, the base plate 70 of described passive radiator audio amplifier is elastic component, such as: rubber, silica gel etc., like this, the base plate 70 of audio amplifier just has good damping effect, when audio amplifier is worked, damping effect due to base plate 70, the bass that audio amplifier sends and the response energy of middle pitch are more accurate, and separating degree is better, and audio frequency effect is better.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a passive radiator audio amplifier, comprise audio amplifier main body, active loud speaker and passive radiator, described active loud speaker and passive radiator are all arranged in described audio amplifier main body, it is characterized in that, in described audio amplifier main body, be provided with support, described active loud speaker is arranged on described support top, between described support below and the base plate of audio amplifier main body, is provided with magnet assemblies; The sidewall of described audio amplifier main body offers through hole, and described through hole arranges around described audio amplifier main body; Described passive radiator is arranged at described through hole outside, and by described through hole sealing; Described audio amplifier main body, active loud speaker, passive radiator and base plate form enclosed construction.
2. passive radiator audio amplifier according to claim 1, it is characterized in that, described magnet assemblies comprises magnetic conductor, magnet and magnetic conductive board, and described magnet is arranged in the middle of described magnetic conductor and magnetic conductive board, described magnetic conductor is near described support setting, and described magnetic conductive board is near described base plate setting; Wherein, described magnetic conductor is split setting, comprises magnetic conducting inner ring and magnetic conduction outer shroud, and described magnet is split setting, comprises ring and magnet outer shroud in magnet.
3. passive radiator audio amplifier according to claim 2, is characterized in that, described magnetic conduction outer shroud is provided with groove, and the position that described support is corresponding with described groove is provided with projection, and described magnetic conductor coordinates by groove and projection with described support.
4. passive radiator audio amplifier according to claim 1, is characterized in that, described active loud speaker comprises vibrating diaphragm and dust cap, and described vibrating diaphragm undulate arranges.
5. passive radiator audio amplifier according to claim 1, is characterized in that, described passive radiator audio amplifier is cylindric setting.
6. passive radiator audio amplifier according to claim 5, is characterized in that, described passive radiator is arcuation setting.
7. passive radiator audio amplifier according to claim 6, it is characterized in that, described passive radiator comprises vibrating diaphragm and flanging, described flanging surrounds described vibrating diaphragm, and described flanging has two elongated areas, fit with the periphery of described vibrating diaphragm and described through hole respectively in described two elongated areas, the edge shape that described flanging surrounds is identical with the shape of described through hole.
8. passive radiator audio amplifier according to claim 6, is characterized in that, described passive radiator comprises vibrating diaphragm and flanging, and described flanging and vibrating diaphragm are one-body molded, and the edge shape that described flanging surrounds is identical with the shape of described through hole.
9. according to the passive radiator audio amplifier described in claim 1,6,7 or 8, it is characterized in that, described passive radiator is three.
10. passive radiator audio amplifier according to claim 1, is characterized in that, described base plate is elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257082.3U CN203968339U (en) | 2014-05-19 | 2014-05-19 | Passive radiator audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257082.3U CN203968339U (en) | 2014-05-19 | 2014-05-19 | Passive radiator audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203968339U true CN203968339U (en) | 2014-11-26 |
Family
ID=51928876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420257082.3U Expired - Lifetime CN203968339U (en) | 2014-05-19 | 2014-05-19 | Passive radiator audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203968339U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180018618A (en) * | 2018-02-02 | 2018-02-21 | (주)인포마크 | Omni-directional Speaker Having Side-Mounting Type Passive Radiator |
| CN112788474A (en) * | 2021-03-17 | 2021-05-11 | 东莞立讯精密工业有限公司 | Bone conduction earphone |
| CN117202010A (en) * | 2023-09-21 | 2023-12-08 | 全境科技(深圳)有限公司 | A near-field directional projection sound with neck pillow function |
-
2014
- 2014-05-19 CN CN201420257082.3U patent/CN203968339U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180018618A (en) * | 2018-02-02 | 2018-02-21 | (주)인포마크 | Omni-directional Speaker Having Side-Mounting Type Passive Radiator |
| KR101975973B1 (en) * | 2018-02-02 | 2019-05-08 | (주)인포마크 | Omni-directional Speaker Having Side-Mounting Type Passive Radiator |
| CN112788474A (en) * | 2021-03-17 | 2021-05-11 | 东莞立讯精密工业有限公司 | Bone conduction earphone |
| CN117202010A (en) * | 2023-09-21 | 2023-12-08 | 全境科技(深圳)有限公司 | A near-field directional projection sound with neck pillow function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |
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| CX01 | Expiry of patent term |