CN103747395B - Ultrathin loudspeaker formula radiator and damping ultrathin radiator - Google Patents
Ultrathin loudspeaker formula radiator and damping ultrathin radiator Download PDFInfo
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- CN103747395B CN103747395B CN201310531063.5A CN201310531063A CN103747395B CN 103747395 B CN103747395 B CN 103747395B CN 201310531063 A CN201310531063 A CN 201310531063A CN 103747395 B CN103747395 B CN 103747395B
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Abstract
Ultrathin loudspeaker formula radiator includes:Thermal conductive cavity, vibrating diaphragm, voice coil and the vertical side and the magnetic devices with opposite magnet loop are generated on voice coil opposite sides side, thermal conductive cavity is separated into two gas chambers by vibrating diaphragm, the side wall of two gas chambers is equipped with stomata, voice coil is fixed as one with vibrating diaphragm, the terminals of voice coil, which extend, is used for the input for receiving alternating current outside thermal conductive cavity, alternating current effect generates ampere power drive voice coil and vibrating diaphragm in thermal conductive cavity internal vibration in magnetic devices and voice coil, for discharging or sucking the gas of two gas chambers by corresponding stomata.The present invention is adapted using electric current is opposite on when voice coil opposite sides is generating the vertical side and having a case that the magnetic devices of opposite magnet loop with voice coil opposite sides, strengthen the magnetic field intensity of magnetic devices horizontal direction, there is stronger magnetic circuit performance under identical power, voice coil is promoted in oscillation intensity, the heat-sinking capability of radiator is improved, technical support is provided for superthin structure.
Description
Technical field
The present invention relates to heat sink technology fields, and in particular to a kind of ultrathin loudspeaker formula radiator and the ultra-thin heat dissipation of damping
Device.
Background technology
Almost all of electronic equipment all can because the big fever of power consumption influences the reason of component works normally currently on the market
With cooling system, cooling system is broadly divided into active heat removal equipment and passive heat dissipation equipment, and active heat removal equipment is mainly wind
Fan, usual flabellum need certain mechanical angle that could manufacture the air quantity of bigger, and the effect of fan is very high, but needs motor simultaneously
It drives, the entire common total height of heat dissipation equipment can reach a certain height so that many slim electronic equipments can not use.Passively
Heat dissipation equipment is mainly heat pipe, and heat pipe is by heat conducting and radiating, this passive mode effect is relatively low, but power increase at present, production
Product thickness be thinned be many electronic equipments development trend, single passive radiating mode is difficult the heat dissipation need for meeting electronic equipment
It asks, conventional electric motor fan formula radiator can not adapt to the trend of slimming again, so a kind of heat removal capability height will be invented, and
Thin active heat removal system deacclimatizes the heat dissipation of electronic equipment and slimming demand.
Although there is the heat dissipation technology based on vibration in existing theoretic, but still there are problems that, example
Such as, disclosed in the Chinese patent application file of Publication No. 102315180A a kind of electronic device with heat sinking function and its
Radiating module, but its magnetic Circuit Design is too simple can not be formed with superpower vibratory drive power and the ultra-thin radiator of build.
Moreover, even if there are part loudspeaker techniques to be applied to radiator industry, but since it considers not in structure design
It is thorough so that entire radiator has very big vibration, carrys out many factors of instability to the equipment belt for needing to radiate, more traditional
The radiator of electric motor fan formula does not have too many advantage so not promoted effectively.
Invention content
The present invention provides a kind of ultrathin loudspeaker formula radiator and damping ultrathin radiator, can solve the above problems.
A kind of ultrathin loudspeaker formula radiator provided in an embodiment of the present invention, including:Thermal conductive cavity is housed in thermal conductive cavity
Vibrating diaphragm, voice coil and the vertical side and the magnetic devices with opposite magnet loop, vibration are generated on voice coil opposite sides side
Thermal conductive cavity is separated into two gas chambers by diaphragm, and the side wall of two gas chambers is equipped with stomata, and voice coil is fixed as one with vibrating diaphragm, sound
The terminals of circle extend for receiving the input of alternating current outside thermal conductive cavity, and magnetic devices are produced with alternating current effect in voice coil
Raw ampere power drive voice coil and vibrating diaphragm are in thermal conductive cavity internal vibration, for the gas of two gas chambers to be discharged by corresponding stomata
Or sucking.
Preferably, pasting board in one layer is posted on vibrating diaphragm.
Preferably, the magnetic devices include:It is located at two blocks of side magnetic stripes of the outer opposite sides of voice coil respectively and positioned at sound
The centring magnet of inside is enclosed, side magnetic stripe upper surface is led covered with the first magnetic conduction washer, centring magnet upper surface covered with second
Magnetic washer, thermal conductive cavity inner bottom wall are equipped with a magnetic conductor bowl, and magnetic conductor bowl upper surface is attached in the bottom magnetic pole of two blocks of side magnetic stripes, two pieces
The pole orientation of side magnetic stripe is vertical direction and identical, the pole orientation of centring magnet and the pole orientation phase of side magnetic stripe
Instead, the magnetic line of force in magnetic conductor bowl between conductive central magnet and two blocks of side magnetic stripes, the first magnetic conduction washer and the second magnetic conduction washer
The magnetic line of force between opposite side wall between Delivery Center magnet and two blocks of side magnetic stripes.
Preferably, thermal conductive cavity is made of the magnetic conductor bowl and the cap being sealed on magnetic conductor bowl.
Preferably, the other opposite sides outside voice coil is respectively equipped with identical with two pieces of sides magnetic stripe pole orientation
Another two blocks of side magnetic stripes, another two pieces of sides side slat upper surface are respectively equipped with third magnetic conduction washer, the first magnetic conduction washer and
The magnetic line of force between the opposite side wall of three magnetic conduction washers between Delivery Center magnet and another two blocks of side magnetic stripes.
Preferably, the magnetic sheet that centring magnet matches for outer profile with voice coil;Side magnetic stripe and the side outside voice coil
The corresponding voice coil length of side matching of magnetic stripe.
Preferably, the stomata of two gas chambers is connected as a single entity to form a strip hole on vibrating diaphragm direction of vibration.
Preferably, heat conduction chamber inner sidewall is fixed with one and extends metal clips outside thermal conductive cavity, and the terminals of voice coil are electrical
It is connected to the metal clips.
The embodiment of the present invention also provides a kind of damping ultrathin radiator, including being arranged on the whole by symmetrical axial symmetry of center line
Multiple above-mentioned ultrathin loudspeaker formula radiators of cloth, the ultrathin loudspeaker formula radiator of symmetry axis both sides have opposite vibration
Phase, multiple ultrathin loudspeaker formula radiators are mounted on a stent.
Preferably, the stent passes through side by multiple for fixing the unit fixed frame of the ultrathin loudspeaker formula radiator
Wall is spliced.
Above-mentioned technical proposal can be seen that generates the vertical side on voice coil opposite sides side since the embodiment of the present invention uses
While and when there are the magnetic devices of opposite magnet loop with voice coil opposite sides on electric current is opposite is adapted, strengthen magnetic dress
The magnetic field intensity of horizontal direction is put, there is stronger magnetic circuit performance under identical power, and then promotes voice coil in oscillation intensity,
The heat-sinking capability of radiator is improved, provides technical support for superthin structure, the multiple-unit in another embodiment symmetrically radiates
Device structure, as long as two antimeric voice coils apply the opposite electric current in direction respectively, you can realize that the momentum on direction of vibration supports
Disappear, reduce complete machine oscillation so that equipment is more stable.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the configuration schematic diagram of ultrathin loudspeaker formula radiator in the embodiment of the present invention 1;
Fig. 2 is the structure diagram that voice coil opposite sides forms magnet loop in the embodiment of the present invention 1;
Fig. 3 is the structure diagram that thermal conductive cavity is separated into upper and lower 2 air chambers by vibrating diaphragm in the embodiment of the present invention 1;
Fig. 4 be two blocks of side magnetic stripes in the embodiment of the present invention 1, centring magnet, the first magnetic conduction washer, the second magnetic conduction washer and
Magnetic conductor bowl forms the side structure schematic view of magnetic circuit;
Fig. 5 is the configuration schematic diagram of damping ultrathin radiator in the embodiment of the present invention 2.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
The embodiment of the present invention provides a kind of ultrathin loudspeaker formula radiator, including:Thermal conductive cavity is housed in shaking in thermal conductive cavity
Dynamic diaphragm, voice coil and the vertical side and the magnetic devices with opposite magnet loop, vibrating membrane are generated on voice coil opposite sides side
Thermal conductive cavity is separated into two gas chambers by piece, and the side wall of two gas chambers is equipped with stomata, and voice coil is fixed as one with vibrating diaphragm, voice coil
Terminals extend for receiving the input of alternating current outside thermal conductive cavity, magnetic devices are generated with alternating current effect in voice coil
Ampere power drive voice coil and vibrating diaphragm in thermal conductive cavity internal vibration, for the gas of two gas chambers to be discharged by corresponding stomata or
Sucking.
As shown in Figure 1, thermal conductive cavity is by 12 structure of magnetic conductor bowl 11 and the cap being sealed on magnetic conductor bowl 11 in the embodiment of the present invention
Into.The lateral wall of thermal conductive cavity touches equipment heat source, transmits heat, and the air circulation of intracavitary can quickly discharge heat, realizes
Heat dissipation effect.
It is soft due to vibrating diaphragm so that the component that air circulates in thermal conductive cavity is made of vibrating diaphragm 2 and voice coil 3
Property can reduce the effect for pushing air circulation, post one layer of middle pasting board as skeleton on vibrating diaphragm 2 in the embodiment of the present invention
21, middle pasting board has certain hardness, is unlikely to deform, can prevent vibrating diaphragm from being occurred in vibration processes by air drag
Backward the phenomenon that bulging, middle pasting board 21 can be pasted onto the upper surface of vibrating diaphragm 2(Front)Or lower surface(The back side), this implementation
Middle pasting board 21 is pasted onto the front of vibrating diaphragm in example, and voice coil 3 is pasted onto the back side of vibrating diaphragm 2, voice coil 3, vibrating diaphragm 2
And middle 21 one movement of pasting board.
Voice coil 3 is the important component for obtaining driving force, is obtained in the magnetic field generated in the present embodiment with voice coil 3 in magnetic devices
It obtains Ampere force and is realized as driving force and vibrated.As shown in Figures 2 and 4, which generates vertical on 3 opposite sides side of voice coil
The side and with opposite magnet loop, i.e. magnetic devices produce two magnet loops 41,42(It is formed using the magnetic line of force as magnet ring
Road), the loop direction of two magnet loops is opposite(If 41 direction of magnet loop is clockwise, another 42 direction of magnet loop
It is counterclockwise), the side of the vertical voice coil of the magnet loop is to provide for the condition of voice coil side cutting magnetic line, so that magnetic
Property device and voice coil in alternating current effect generate ampere power drive voice coil with vibrating diaphragm in thermal conductive cavity internal vibration(According to left hand
Rule may determine that Ampere force of the voice coil two opposite sides side by the same direction).
As shown in figure 3, thermal conductive cavity 1 is separated into two gas chambers by vibrating diaphragm 2, voice coil pushes vibrating diaphragm to move upwards
When, gas chamber 111 space in top is compressed, and the gas of the top gas chamber 111 is discharged by the stomata of the gas chamber, and lower part gas chamber 112
Space be extended, lower part gas chamber 112 suck extraneous gas, quickly frequently circulate so as to fulfill the air of thermal conductive cavity.This implementation
For the ease of manufacture in example, while accelerate air flow property, the stomata of two gas chambers 111,112 is in 2 direction of vibration of vibrating diaphragm
On be connected as a single entity to form a strip hole 113.
The thickness of radiator in order to balance in the present embodiment(Overall height)And two aspect performance of oscillation intensity, in magnetic Circuit Design
It is improved, the structure for being presented as magnetic devices in configuration aspects is improved, which includes:It is located at outside voice coil 3 respectively
Two blocks of side magnetic stripes 51,52 of opposite sides and the centring magnet 6 positioned at 3 inside of voice coil, side magnetic stripe 51, the covering of 52 upper surfaces
There is the first magnetic conduction washer 71,6 upper surface of centring magnet is equipped with magnetic conductor bowl covered with the second magnetic conduction washer 72,1 inner bottom wall of thermal conductive cavity
11, in order to further compress the thickness of entire radiator actually in the present embodiment, the bottom of thermal conductive cavity 1 is filled by magnetic conductor bowl 11
When not only having played the role of protective effect but also realized magnetic conduction, 11 upper surface of magnetic conductor bowl is attached to the bottom of two blocks of side magnetic stripes 51,52
On magnetic pole, realize that side magnetic stripe is connected with the magnetic circuit of magnetic conductor bowl, strengthen magnetic conduction effect, reduce leakage field, two blocks of side magnetic stripes 51,52
Pole orientation be vertical direction and identical, such as in the present embodiment two blocks of side magnetic stripes 51,52 N poles upward S poles downward, in
The pole orientation of heart magnet 6 is with the pole orientation of side magnetic stripe 51,52 on the contrary, i.e. S poles upward, are led downward for the N poles of centring magnet 6
The magnetic line of force in magnetic bowl 11 between conductive central magnet and two blocks of side magnetic stripes, since the magnetic line of force is that have a magnetic pole (N) to send out simultaneously
By another opposite pole(S)It returns, then the first magnetic conduction washer and the second magnetic conduction washer are used for two blocks of side magnetic stripes and center magnetic
The magnetic line of force that the magnetic line of force of iron in the vertical direction switchs to horizontal direction is passed to, to realize magnetic line of force vertical direction and level
The conversion in direction is simultaneously passed to, between the first magnetic conduction washer 71 and the opposite side wall of the second magnetic conduction washer 72 Delivery Center magnet 6 with
The magnetic line of force between two blocks of side magnetic stripes 51,52.
As seen from Figure 4, in the present embodiment, upward, the magnetic line of force is by respective for the N poles of two pieces of side magnetic poles 51,52
First magnetic conduction washer 71 of upper surface is transmitted on the second magnetic conduction washer 72, realizes that the magnetic line of force switchs to horizontal direction by vertical direction
Conduction is concentrated, the S poles of centring magnet 6 are close to, and the magnetic line of force is conducted to centring magnet 6 in the lower surface of the second magnetic conduction washer 72,
The N poles of centring magnet 6 are conducted the magnetic line of force to the S poles of two blocks of side magnetic stripes of voice coil both sides by magnetic conductor bowl 11, are consequently formed
Two magnet loops in Fig. 2, it is seen then that in entire magnet loop, only the first magnetic conduction washer side opposite with the second magnetic conduction washer
Wall is to open wide to form groove, for providing space for voice coil up-down vibration, and magnet loop other sections be all inside magnet or
The inside conduction of magnetic conductive part so that magnetic line of force conduction is more concentrated in magnet loop, reduces magnetic dispersion, enhances voice coil level
The magnetic field intensity being subject on direction.
In order to further enhance the magnetic field intensity of magnetic devices, the other opposite sides point in the present embodiment outside voice coil 3
Another two blocks of side magnetic stripes 53 that She You be not identical with two pieces of sides magnetic stripe pole orientation, on another two pieces of side side slats 53
Surface is respectively equipped with third magnetic conduction washer 73, in being transmitted between the first magnetic conduction washer 71 and the opposite side wall of third magnetic conduction washer 73
The magnetic line of force between heart magnet 6 and another two blocks of side magnetic stripes 53, specific magnet loop formation basic theory and above-mentioned two pieces of sides
Magnetic stripe 51,52 is identical with the magnet loop formation basic theory that centring magnet 6 forms, and details are not described herein again.
As it can be seen that in the present embodiment on the basis of voice coil 3, magnetic stripe or magnetic are all provided in the surrounding and medium position of voice coil 3
Iron strengthens magnetic field intensity, the magnetic sheet that centring magnet 6 matches for outer profile with voice coil in the present embodiment;Side outside voice coil 3
The magnetic stripe voice coil length of side corresponding with the side magnetic stripe matches, and voice coil is rectangular coil in the present embodiment, then voice coil inside casing is also square
Shape, centring magnet 6 are then designed to the magnetic sheet of rectangular profile, to ensure that the magnetic line of force is conducted by the magnetic sheet in magnet loop, reduce
Magnetic dispersion, correspondingly, the length of each side magnetic stripe also match with each length of side of the rectangular coil, i.e., with rectangular coil inside casing
The length of side is equal or suitable.
Certainly, the structure of rectangular plate is fit to do using the radiator of rectangular coil, and to the scattered of manufacture circular plate structure
Hot device, can be with adapted circular voice coils, then side magnetic stripe makes arcuate structure, therefore be only in radiator or voice coil accordingly
The simple deformation done in shape should belong to the scope of protection of the present invention.
In order to ensure the stability powered to voice coil, heat conduction chamber inner sidewall is fixed with one and extends thermal conductive cavity in the present embodiment
Metal clips 8 outside 1, the terminals of voice coil 3 are electrically connected to the metal clips 8.Specifically, the metal clips is using strip
Sheet metal extends fixed part in the side wall of sheet metal, has in manufacturing process, on heat conduction chamber inner sidewall opposite with the fixed part
The fixed column answered, i.e. magnetic conductor bowl are equipped with fixed column opposing upper and lower with cap, and the fixed part of sheet metal is fixedly clamped, and ensure
Sheet metal is not detached from or loosens due to vibration.
Embodiment 2:
In order to further reduce the body vibration of oscillatory type radiator, the embodiment of the present invention is on the basis of above-described embodiment 1
On make improvement, a kind of damping ultrathin radiator is provided, including on the whole using center line as symmetry axis symmetry arrangement it is multiple on
The ultrathin loudspeaker formula radiator stated, the ultrathin loudspeaker formula radiator of symmetry axis both sides has opposite vibration phase, multiple
The ultrathin loudspeaker formula radiator is mounted on a stent.
As shown in figure 5, by taking the damping ultrathin radiator of two ultrathin loudspeaker formula radiator compositions as an example, ultrathin loudspeaker
Formula radiator 10 is arranged evenly into axially symmetric structure with ultrathin loudspeaker formula radiator 20, and the stent 30 tool is fixed there are two unit
Frame, for fixing ultrathin loudspeaker formula radiator 10 and ultrathin loudspeaker formula radiator 20 respectively, i.e. stent is with axial symmetry
The stent of structure.
In order to which damping ultrathin radiator in the present embodiment is quickly installed in the equipment of corresponding size, the present invention is real
Stent 30 described in example is applied to be spelled by side wall for fixing the unit fixed frame 31 of the ultrathin loudspeaker formula radiator by multiple
It connects, the side wall of adjacent unit fixed frame has detachable connection structure, such as can be raised really up to the mark with groove
Fit structure can be the fixed structure by bolts and nuts.
Symmetrical shaft position is determined according to the quantity of ultrathin loudspeaker formula radiator, is radiated for even number ultrathin loudspeaker formula
Device, symmetry axis both sides have the ultrathin loudspeaker formula radiator of identical quantity, the ultrathin loudspeaker formula radiator of symmetry axis both sides
Voice coil in be passed through the electric current of opposite direction, make voice coil vibrations opposite in phase, then the ultrathin loudspeaker formula heat dissipation of symmetry axis both sides
Utensil has opposite momentum, then the aggregated momentum of entire damping ultrathin radiator reduces, and the radiator for minimum vibration provides structure base
Plinth.It is appreciated that in the damping ultrathin radiator that odd number ultrathin loudspeaker formula radiator is formed, symmetry axis is fallen in centre
On the center line of ultrathin loudspeaker formula radiator, then intermediate ultrathin loudspeaker formula radiator and the ultrathin loudspeaker formula of its both sides dissipate
The vibration phase of hot device can be relatively independent.
It can be seen that the radiator in the embodiment of the present invention is not only able to realize ultrathin design, and body vibration is small, energy
Enough majorities that is suitable for require in small equipment vibration, easy to utilize.
A kind of ultrathin loudspeaker formula radiator and a kind of damping ultrathin loudspeaker provided above to the embodiment of the present invention
Be described in detail, specific case used herein is expounded the principle of the present invention and embodiment, more than it is real
The explanation for applying example is merely used to help understand the method and its core concept of the present invention;Meanwhile for the general technology of this field
Personnel, thought according to the present invention, there will be changes in specific embodiments and applications, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (9)
1. ultrathin loudspeaker formula radiator, which is characterized in that including:It is made of magnetic conductor bowl and the cap being sealed on magnetic conductor bowl
Thermal conductive cavity, the vibrating diaphragm being housed in thermal conductive cavity, voice coil and the vertical side is generated on voice coil opposite sides side and with phase
Thermal conductive cavity is separated into two gas chambers by the magnetic devices of anti-magnet loop, vibrating diaphragm, and the side wall of two gas chambers is equipped with stomata, sound
Circle is fixed as one with vibrating diaphragm, and the terminals of voice coil extend for receiving the input of alternating current outside thermal conductive cavity, and magnetism fills
It puts and generates ampere power drive voice coil and vibrating diaphragm in thermal conductive cavity internal vibration with alternating current effect in voice coil, for by two gas
The gas of room is discharged or is sucked by corresponding stomata.
2. ultrathin loudspeaker formula radiator as described in claim 1, which is characterized in that post on vibrating diaphragm and pasted in one layer
Plate.
3. ultrathin loudspeaker formula radiator as claimed in claim 1 or 2, which is characterized in that the magnetic devices include:Respectively
Two blocks of side magnetic stripes positioned at opposite sides outside voice coil and the centring magnet on the inside of voice coil, side magnetic stripe upper surface covered with
First magnetic conduction washer, centring magnet upper surface are equipped with the magnetic conductor bowl, magnetic conduction covered with the second magnetic conduction washer, thermal conductive cavity inner bottom wall
Bowl upper surface is attached in the bottom magnetic pole of two blocks of side magnetic stripes, and the pole orientations of two blocks of side magnetic stripes is vertical direction and identical,
The pole orientation of centring magnet and the pole orientation of side magnetic stripe are on the contrary, conductive central magnet and two blocks of side magnetic stripes in magnetic conductor bowl
Between the magnetic line of force, Delivery Center magnet and two blocks of side magnetic between the first magnetic conduction washer side wall opposite with the second magnetic conduction washer
The magnetic line of force between item.
4. ultrathin loudspeaker formula radiator as claimed in claim 3, which is characterized in that the other opposite sides point outside voice coil
Another two blocks of side magnetic stripes that She You be not identical with two pieces of sides magnetic stripe pole orientation, another two pieces of sides side slat upper surface
It is respectively equipped with third magnetic conduction washer, Delivery Center magnet and institute between the first magnetic conduction washer side wall opposite with third magnetic conduction washer
State the magnetic line of force between another two blocks of side magnetic stripes.
5. ultrathin loudspeaker formula radiator as claimed in claim 4, which is characterized in that centring magnet is outer profile and voice coil phase
Matched magnetic sheet;Side magnetic stripe voice coil length of side matching corresponding with the side magnetic stripe outside voice coil.
6. ultrathin loudspeaker formula radiator as claimed in claim 1 or 2, which is characterized in that the stomata of two gas chambers is vibrating
It is connected as a single entity to form a strip hole on diaphragm vibration direction.
7. ultrathin loudspeaker formula radiator as claimed in claim 1 or 2, which is characterized in that heat conduction chamber inner sidewall is fixed with one
Extend the metal clips outside thermal conductive cavity, the terminals of voice coil are electrically connected to the metal clips.
8. damping ultrathin radiator, which is characterized in that including on the whole using center line as the multiple above-mentioned of symmetry axis symmetry arrangement
Ultrathin loudspeaker formula radiator in claim 1 to 7 described in any one, multiple ultrathin loudspeaker formula radiator installations
On a stent.
9. damping ultrathin radiator as claimed in claim 8, which is characterized in that the stent is described super for fixing by multiple
The unit fixed frame of thin loudspeaker type radiator is spliced by side wall.
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CN201310531063.5A CN103747395B (en) | 2013-10-31 | 2013-10-31 | Ultrathin loudspeaker formula radiator and damping ultrathin radiator |
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CN106303860B (en) * | 2016-09-22 | 2021-07-27 | 深圳市信维声学科技有限公司 | Loudspeaker |
CN113099361B (en) * | 2020-01-09 | 2023-01-24 | 北京小米移动软件有限公司 | Loudspeaker, audio module and terminal equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102315180A (en) * | 2010-07-08 | 2012-01-11 | 绿种子能源科技股份有限公司 | Electronic device with heat radiating function and heat radiating module |
CN202551325U (en) * | 2011-12-30 | 2012-11-21 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5987148A (en) * | 1998-10-13 | 1999-11-16 | Hsieh; Chen-Hugh | Driver for a horn radiator |
CN201294627Y (en) * | 2008-09-11 | 2009-08-19 | 富祐鸿科技股份有限公司 | Thin small-sized horn |
JP2011004308A (en) * | 2009-06-22 | 2011-01-06 | Foster Electric Co Ltd | Loudspeaker device |
CN203590431U (en) * | 2013-10-31 | 2014-05-07 | 国光电器股份有限公司 | Ultrathin loudspeaker-type radiator and damping ultrathin radiator |
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2013
- 2013-10-31 CN CN201310531063.5A patent/CN103747395B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102315180A (en) * | 2010-07-08 | 2012-01-11 | 绿种子能源科技股份有限公司 | Electronic device with heat radiating function and heat radiating module |
CN202551325U (en) * | 2011-12-30 | 2012-11-21 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
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