CN105933804A - Sound box and passive radiator thereof - Google Patents
Sound box and passive radiator thereof Download PDFInfo
- Publication number
- CN105933804A CN105933804A CN201610507461.7A CN201610507461A CN105933804A CN 105933804 A CN105933804 A CN 105933804A CN 201610507461 A CN201610507461 A CN 201610507461A CN 105933804 A CN105933804 A CN 105933804A
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- China
- Prior art keywords
- sidewall
- passive radiator
- framework
- side wall
- oscillating plate
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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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The invention is applicable to the technical field of sound boxes, and provides a passive radiator, comprising a vibrating plate and an elastically deformable framework. The framework is provided with a side wall, a top wall and a bottom plate; the side wall gradually inclines upward from one end of the framework to the other end, and the side wall is equipped with a lower part on one end of the framework and is equipped with a higher part on the other end of the framework. The vibrating plate is fixedly connected with the top wall, moreover, one end of the vibrating plate is a connecting end, and the connecting end is rotatably installed on the lower part of the side wall or the bottom plate through a connecting component. The passive radiator of the invention is installed in some electronic products with specific shapes, the lower end of the passive radiator can be arranged in a narrower space, and the higher end of the passive radiator can be arranged in a wider space. Therefore, compared with the traditional passive radiator, the passive radiator of the invention reasonably utilizes the narrow spaces in the electronic products, thereby avoiding the space waste and being conducive to the miniaturization development of the electronic products.
Description
Technical field
The invention belongs to technology for loudspeaker box field, particularly relate to a kind of audio amplifier and passive radiator thereof.
Background technology
Passive radiator is also passive radiator, uses the sound equipment of passive radiator to generally comprise an active and raises
Sound device unit and a passive unit (passive radiator).Outside passive unit is generally with actively loudspeaker unit
Shape is similar to, but does not has voice coil loudspeaker voice coil and drive magnet.The passive radiator any voice coil loudspeaker voice coil of discord or circuit are connected, its
It is usually used to adjust bass so that designer can regulate the tone color that audio amplifier is overall.Passive radiator shakes
The promotion of air in casing is carried out by the motion of film by active cell in audio amplifier, by the regulation of different counterweights,
Passive radiator can resonate on a different frequency.
Being oscillating plate in the middle of passive radiator, the vibrating diaphragm of periphery is made up of rubber bullet ripple.But, this structure
All directions are required for identical oscillation space, in the product of some given shapes, such as, for side
Relatively narrower, the space that opposite side is more spacious, traditional passive radiator structure is owing to cannot adapt to narrow sky
Between, and the space of relatively narrower can only be given up and take other more spacious spaces, thus waste limited sky
Between, this is unfavorable for the miniaturization of the electronic products such as audio amplifier.
Make rapid progress progressive Technology Times in present stage, electronic industry is pursued exquisite small and exquisite.Current electricity
The electronic products such as brain, mobile phone, audio amplifier are such invariably.Therefore, it is necessary to optimize existing loudspeaker box structure,
Enable and be reasonably arranged in the product of given shape.
Summary of the invention
The technical problem to be solved is to provide a kind of audio amplifier and passive radiator thereof, it is intended to solve
Passive radiator of the prior art can not reasonably utilize the confined space in the product of some given shapes
Problem.
The present invention is achieved in that a kind of passive radiator, and including oscillating plate, described passive radiator is also
Including the framework of elastically deformable, described framework has sidewall, the roof being positioned at top side wall and is positioned at side
Base plate bottom wall；Described sidewall is from one end of described framework toward other end direction corresponding thereto the most upwards
Tilt, described sidewall forms relatively lower curtate in the position of described framework one end, described sidewall in described framework another
The position of end forms higher part；Described oscillating plate is fixing with roof to be connected, and, one end of described oscillating plate
For connecting end, described connection end is rotatably installed in relatively lower curtate or the base plate of described sidewall by connecting assembly
On.
Further, described connection assembly includes hinge, the connection end of described oscillating plate by described hinge with
Described sidewall hinged compared with lower curtate or base plate.
Further, the other end of described oscillating plate is vibration end, the higher part of described vibration end and sidewall it
Between there is one section of space.
Further, described framework is rubber frame.
Further, described oscillating plate has a planar side and an arcuate flanks, and described planar side is leaned on
The relatively lower curtate of nearly described frame side wall, described arcuate flanks is near the higher part of described frame side wall；Further,
The shape of described planar side and described frame side wall are compared with the mating shapes of lower curtate, the shape of described arcuate flanks
Shape and the mating shapes of described frame side wall higher part.
Further, one end of described base plate connects with the bottom of sidewall higher part, another of described base plate
End connects with sidewall relatively lower curtate；Described base plate, sidewall and roof collectively form the framework of closing.
The present invention solves above-mentioned technical problem, additionally provide a kind of audio amplifier, including shell and be positioned at shell
Internal active radiator, described audio amplifier also includes above-mentioned passive radiator, and described passive radiator is installed
On the madial wall of described shell.
The present invention compared with prior art, has the beneficial effects that: the passive radiator of the present invention, its oscillating plate
Connect end by connect assembly be rotatably installed on relatively lower curtate or the base plate of frame side wall.When connecting end
When being connected with base plate, oscillating plate is during vibration, owing to base plate is static, and will not so connecting end
It is moved.When connecting end and when relatively lower curtate is connected of frame side wall, owing to the relatively lower curtate of frame side wall can be sent out
Raw deformation range is the least, so the connection end of oscillating plate inertia or scope of activities in vibration processes is the least.
And the higher part of frame side wall is under the influence of the gravity of natural resiliency deformation and oscillating plate, stretch back and forth, from
And the other end of oscillating plate can swing compared with the link position of lower curtate around oscillating plate with sidewall in vibration processes.
Connect, around it, the structure design that end swings by the other end of oscillating plate, can be correspondingly by passive radiator
It is designed to the structure that one end is high, one end is low.Thus, the passive radiator of the present invention is arranged on some specific
Time in the electronic product of shape, one end that it is relatively low can be arranged in the space of relatively narrower, and it is higher
One end be arranged in broader space.Visible, compared to traditional passive radiator, the quilt of the present invention
The space that dynamic radiator is narrow in reasonably utilizing electronic product, it is to avoid the waste in space, beneficially electronics
Product develops toward miniaturization.
Accompanying drawing explanation
Fig. 1 is that a kind of passive radiator that the embodiment of the present invention one provides is arranged on the madial wall of casing of loudspeaker box
Perspective view.
Fig. 2 is longitudinal cross-sectional schematic of Fig. 1.
Fig. 3 is the perspective view of the framework in embodiment one.
Fig. 4 is the schematic front view of the passive radiator in embodiment one.
Fig. 5 is the schematic top plan view of passive radiator shown in Fig. 4.
Fig. 6 is the cross-sectional schematic along Fig. 5 along A-A hatching line.
Fig. 7 is the front schematic diagram hinged with base plate of the oscillating plate in embodiment one.
Fig. 8 is the front schematic diagram hinged with base plate of the oscillating plate in embodiment two.
Detailed description of the invention
In order to make the technical problem to be solved, technical scheme and beneficial effect clearer,
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that this place is retouched
The specific embodiment stated only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figures 1 and 2, for embodiments of the invention one, a kind of audio amplifier, including shell 100 and
Active radiator (not shown) within shell 100 and passive radiator 200 be set, above-mentioned passively
Radiator 200 is arranged on the madial wall of shell 100.
Wherein, above-mentioned passive radiator 200, including the framework 2 of oscillating plate 1 and elastically deformable.Please
Together seeing Fig. 3, framework 2 has sidewall 21, the roof 22 being positioned at sidewall 21 top and is positioned at sidewall
Base plate 23 bottom 21.Sidewall 21 is from one end of framework 2 toward other end direction corresponding thereto the most upwards
Tilting, sidewall 21 forms relatively lower curtate 211 in the position of framework 2 one end, and sidewall 21 is in framework 2 other end
Position formed higher part 212.Oscillating plate 1 is fixing with roof 22 to be connected, and, one end of oscillating plate 1
For connecting end 11, connect end 11 and be rotatably installed on the base plate 23 of sidewall 21 by connecting assembly.
Specifically, said frame 2 is the preferable rubber frame of elastic performance 2, in order to avoid oscillating plate 1 is prevented
Hindering sidewall 21 higher part 212 deformation, the other end of oscillating plate 1 is vibration end 12, itself and sidewall 21
There is between higher part 212 one section of space.
The concrete shape of above-mentioned oscillating plate 1 does not limits, the shape of its lateral cross section can with rectangle, semicircle,
Oval etc..Referring to Fig. 4, in the present embodiment, oscillating plate 1 has a planar side and a curved side
Face, planar side is near the relatively lower curtate 211 of framework 2 sidewall 21, and arcuate flanks is near framework 2 sidewall 21
Higher part 212；Further, the shape of the shape of planar side and framework 2 sidewall 21 relatively lower curtate 211 is mutually
Joining, the shape of arcuate flanks and the mating shapes of framework 2 sidewall 21 higher part 212, be i.e. sidewall 21
The side of higher part 212 is also arcuate flanks.
Referring to Fig. 5 and Fig. 6, one end of base plate 23 connects with the bottom of sidewall 21 higher part 212,
The other end of base plate 23 and sidewall 21 relatively lower curtate 211 connects.Base plate 23, sidewall 21 and roof 22
Collectively form a framework 2 closed.
Referring to Fig. 7, the connection assembly in the present embodiment includes hinge, and the connection end 11 of oscillating plate 1 passes through
Hinge is hinged with the base plate 23 of sidewall 21.Specifically, the connection end 11 of oscillating plate 1 is provided with hinge hole
111, the end face of base plate 23 is provided with bearing pin 24, bearing pin 24 is arranged in hinge hole 111, thus shakes
The connection end 11 of dynamic plate 1 can rotate relative to base plate 23, and bearing pin 24 is during oscillating plate 1 vibrates,
Remain static, therefore the connection end 11 ensureing oscillating plate 1 can not be sent out in oscillating plate 1 vibration processes
Raw mobile.
The passive radiator of the present embodiment, the connection end 11 of its oscillating plate 1 is rotatably pacified by connecting assembly
Dress is on a base plate 2.When connect end 11 be connected with base plate 23 time, oscillating plate 1 vibrate during, by
Being static in base plate 2, will not be moved so connecting end 11.And the higher part of framework 2 sidewall 21
212, under the influence of the gravity of natural resiliency deformation and oscillating plate 1, stretch back and forth, thus oscillating plate 1
Vibration end 12 can swing around the bearing pin 24 on base plate 23 in vibration processes.
By the vibration end 12 of oscillating plate 1 around its connect end 11 swing structure design, can correspondingly by by
Dynamic radiator design becomes the structure that one end is high, one end is low.Thus, the passive radiator of the present invention is arranged on
Time in the electronic product of some given shapes, one end that it is relatively low can be arranged in the space of relatively narrower, and
One end that it is higher is arranged in broader space.Visible, compared to traditional passive radiator, this
The passive radiator of invention reasonably utilize electronic product in narrow space, it is to avoid the waste in space, have
It is beneficial to electronic product develop toward miniaturization.
Referring to Fig. 8, for embodiments of the invention two, a kind of audio amplifier, including shell and arrange in shell
The active radiator in portion and passive radiator, the base plate of above-mentioned passive radiator is arranged on the madial wall of shell.
Wherein, above-mentioned passive radiator, including the framework 2 of oscillating plate 1 and elastically deformable.Framework 2
There is sidewall 21, be positioned at the roof 22 at sidewall 21 top and be positioned at the base plate 23 bottom sidewall 21.Side
Wall 21 is gradually inclined upwardly from one end of framework 2 toward other end direction corresponding thereto, and sidewall 21 is in framework
The position of 2 one end forms relatively lower curtate 211, and sidewall 21 forms higher part 212 in the position of framework 2 other end.
Oscillating plate 1 is fixing with roof 22 to be connected, and, one end of oscillating plate 1 is for connecting end 11, its other end
For vibration end 12.In addition to said structure, other structure of the present embodiment also basic phase with the structure of embodiment one
With, wherein, unlike embodiment one, connect end 11 by connecting assembly and be rotatably installed in sidewall
On the relatively lower curtate 211 of 21.
Connection assembly in the present embodiment includes hinge, and the connection end 11 of oscillating plate 1 is by hinge and sidewall
The relatively lower curtate 211 of 21 is hinged.Specifically, one end of oscillating plate 1 is provided with bearing pin 13, and sidewall 21 is relatively
Lower curtate 211 is provided with hinge hole 2111, and bearing pin 13 is arranged in hinge hole 2111, thus oscillating plate 1
Connect end 11 to rotate relative to the relatively lower curtate 211 of sidewall 21.Relatively lower curtate due to framework 2 sidewall 21
211 generable deformation ranges are the least, thus the connection end 11 of oscillating plate 1 in vibration processes inertia or
Scope of activities is the least.
The passive radiator of the present embodiment, the connection end 11 of its oscillating plate 1 is rotatably pacified by connecting assembly
It is contained on the relatively lower curtate 211 of framework 2 sidewall 21.Owing to the relatively lower curtate 211 of framework 2 sidewall 21 can occur
Deformation range the least, so the connection end 11 of oscillating plate 1 in vibration processes, inertia or scope of activities be very
Little.And the higher part 212 of framework 2 sidewall 21 is under the influence of the gravity of natural resiliency deformation and oscillating plate 1,
Stretch back and forth, thus the vibration end 12 of oscillating plate 1 can swing around bearing pin 13 thereon in vibration processes.
By the vibration end 12 of oscillating plate 1 around its connect end 11 swing structure design, can correspondingly by by
Dynamic radiator design becomes the structure that one end is high, one end is low.Thus, the passive radiator of the present invention is arranged on
Time in the electronic product of some given shapes, one end that it is relatively low can be arranged in the space of relatively narrower, and
One end that it is higher is arranged in broader space.Visible, compared to traditional passive radiator, this
The passive radiator of invention reasonably utilize electronic product in narrow space, it is to avoid the waste in space, have
It is beneficial to electronic product develop toward miniaturization.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (7)
1. a passive radiator, including oscillating plate, it is characterised in that described passive radiator also includes can
The framework of elastic deformation, described framework has sidewall, the roof being positioned at top side wall and is positioned at sidewall bottom
Base plate；Described sidewall is gradually inclined upwardly from one end of described framework toward other end direction corresponding thereto,
Described sidewall forms relatively lower curtate in the position of described framework one end, and described sidewall is in the position of the described framework other end
Put formation higher part；Described oscillating plate is fixing with roof to be connected, and, one end of described oscillating plate is for connecting
End, described connection end is rotatably installed on relatively lower curtate or the base plate of described sidewall by connecting assembly.
2. passive radiator as claimed in claim 1, it is characterised in that described connection assembly includes hinge,
Described oscillating plate connect hinged compared with lower curtate or base plate by described hinge and described sidewall of end.
3. passive radiator as claimed in claim 2, it is characterised in that the other end of described oscillating plate is
Vibration end, has one section of space between described vibration end and the higher part of sidewall.
4. the passive radiator as described in any one in claims 1 to 3, it is characterised in that described frame
Frame is rubber frame.
5. the passive radiator as described in any one in claims 1 to 3, it is characterised in that described in shake
Dynamic plate has a planar side and an arcuate flanks, and described planar side is relatively low near described frame side wall
Portion, described arcuate flanks is near the higher part of described frame side wall；Further, the shape of described planar side with
Described frame side wall is compared with the mating shapes of lower curtate, and the shape of described arcuate flanks is higher with described frame side wall
The mating shapes in portion.
6. the passive radiator as described in any one in claims 1 to 3, it is characterised in that the described end
One end of plate connects with the bottom of sidewall higher part, and the other end of described base plate and sidewall relatively lower curtate connects；
Described base plate, sidewall and roof collectively form the framework of closing.
7. an audio amplifier, including shell and the active radiator that is positioned at enclosure, it is characterised in that institute
State audio amplifier and also include the passive radiator as described in any one in claim 1 to 6, described passive radiation
Device is arranged on the madial wall of described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507461.7A CN105933804A (en) | 2016-06-30 | 2016-06-30 | Sound box and passive radiator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507461.7A CN105933804A (en) | 2016-06-30 | 2016-06-30 | Sound box and passive radiator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105933804A true CN105933804A (en) | 2016-09-07 |
Family
ID=56829394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610507461.7A Pending CN105933804A (en) | 2016-06-30 | 2016-06-30 | Sound box and passive radiator thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105933804A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005210176A (en) * | 2004-01-20 | 2005-08-04 | Kenwood Corp | Speaker mounting structure |
| JP2007150871A (en) * | 2005-11-29 | 2007-06-14 | Yamaha Corp | Speaker system and speaker enclosure |
| CN202889593U (en) * | 2012-09-29 | 2013-04-17 | 余水林 | Coaxial passive radiation-type loudspeaker box |
| US8520877B1 (en) * | 2012-04-20 | 2013-08-27 | Meiloon Industrial Co., Ltd. | Resonant structure for loudspeaker |
| CN203968344U (en) * | 2014-07-03 | 2014-11-26 | 音品电子（深圳）有限公司 | Embed initiatively passive radiator and the audio amplifier of loud speaker |
| CN104168526A (en) * | 2014-07-31 | 2014-11-26 | 美律电子（惠州）有限公司 | Electric-acoustic device with movable passive radiator |
| CN203984643U (en) * | 2014-06-10 | 2014-12-03 | 常州声泰龙电子音响有限公司 | Passive radiator |
| CN204046783U (en) * | 2014-07-21 | 2014-12-24 | 美丽之音科技（深圳）有限公司 | Low frequency radiation device and audio amplifier |
-
2016
- 2016-06-30 CN CN201610507461.7A patent/CN105933804A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005210176A (en) * | 2004-01-20 | 2005-08-04 | Kenwood Corp | Speaker mounting structure |
| JP2007150871A (en) * | 2005-11-29 | 2007-06-14 | Yamaha Corp | Speaker system and speaker enclosure |
| US8520877B1 (en) * | 2012-04-20 | 2013-08-27 | Meiloon Industrial Co., Ltd. | Resonant structure for loudspeaker |
| CN202889593U (en) * | 2012-09-29 | 2013-04-17 | 余水林 | Coaxial passive radiation-type loudspeaker box |
| CN203984643U (en) * | 2014-06-10 | 2014-12-03 | 常州声泰龙电子音响有限公司 | Passive radiator |
| CN203968344U (en) * | 2014-07-03 | 2014-11-26 | 音品电子（深圳）有限公司 | Embed initiatively passive radiator and the audio amplifier of loud speaker |
| CN204046783U (en) * | 2014-07-21 | 2014-12-24 | 美丽之音科技（深圳）有限公司 | Low frequency radiation device and audio amplifier |
| CN104168526A (en) * | 2014-07-31 | 2014-11-26 | 美律电子（惠州）有限公司 | Electric-acoustic device with movable passive radiator |
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| PB01 | Publication | ||
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Application publication date: 20160907 |