CN102316400A - Horn and portable electronic device adopting same - Google Patents

Abstract

The invention relates to a horn and a portable electronic device adopting the horn. The horn is arranged on a machine case of the portable electronic device and comprises a body, a first buffer element and two second buffer elements, wherein the body is provided with two first through holes, and a first surface and a second surface corresponding to each other, the first surface faces the machine case, in addition, the first buffer element is arranged on the first surface, the second buffer elements are arranged on the second surface, and each second buffer element is provided with a second through hole. In one embodiment, because the thickness of the first buffer element is very thin, the distance between the horn and the machine case is greater, and most vibration energy generated by the horn can be consumed.

Description

Loudspeaker and the portable electronic devices of using these loudspeaker

Technical field

The present invention relates to a kind of loudspeaker and the portable electronic devices of using it, particularly a kind of loudspeaker and the portable electronic devices of using these loudspeaker with bolster.

Background technology

For meeting the multimedia demand, traditional portable electronic devices can be installed loudspeaker mostly.With the mobile computer is example, and the loudspeaker of mobile computer must installing rubber (rubber)., loudspeaker clash into casing when vibrating, the vibratory output that is produced in the time of can reducing the loudspeaker vibration with rubber.

Yet the inner space of mobile computer is limited, and to add the thickness of rubber very thick, causes the movable space between casing and the rubber very little.So, when loudspeaker vibrated, rubber almost struck casing, and the vibratory output that therefore casing is produced can't reduce, even resonates at once.In addition, the elasticity of rubber is bigger, and rubber is bounce-back immediately after striking casing, and can't effectively absorb Impact energy.

Summary of the invention

Technical problem to be solved by this invention provides a kind of loudspeaker and the portable electronic devices of using its these loudspeaker; The loudspeaker and the gap between the casing of portable electronic devices are bigger; Provide loudspeaker enough oscillation spaces, can reduce the vibratory output that casing produces and avoid resonance to take place.

To achieve these goals, the invention provides a kind of loudspeaker, be located on the casing of a portable electronic devices, this portable electronic devices also comprises two fixtures, and wherein, these loudspeaker comprise:

One body has 2 first through holes and a relative first surface and a second surface, and this first surface is towards this casing;

One first bolster is located on this first surface;

2 second bolsters are located at this second surface, and each those second bolster has one second through hole;

Wherein, those fixtures are in order to passing those second through holes and those first through holes and to be fixed on this casing, with this body limits between this casing and those fixtures.

Above-mentioned loudspeaker, wherein, this body comprises the portion of raising one's voice and two flanges, this two flanges is located at relative two sides in this portion of raising one's voice respectively;

Wherein, this first bolster is located in this portion of raising one's voice, and those first through holes lay respectively at those flanges, and this first surface is positioned in this portion of raising one's voice, and this second surface is positioned at those flanges.

Above-mentioned loudspeaker, wherein, each those second through hole exposes an opening from the side of this flange of correspondence, and the profile of each those second bolster is corresponding with the profile of this corresponding flange.

Above-mentioned loudspeaker, wherein, the profile of each those second bolster is the shape of a hoof.

Above-mentioned loudspeaker, wherein, this first bolster is 1.4mm at a distance of the distance of this casing, at least one distance at a distance of this corresponding fixture is 1.4mm in those second bolsters.

Above-mentioned loudspeaker, wherein, the internal diameter of this second through hole is less than the internal diameter of this first through hole.

Above-mentioned loudspeaker, wherein, the material of the material of this first bolster and each those second bolster is continuous for bubble.

Above-mentioned loudspeaker, wherein, the thickness of the thickness of this first bolster and each those second bolster is between 0.5mm and 1.0mm.

Above-mentioned loudspeaker, wherein, the profile of this first bolster is the ring-type rectangle.

In order to realize above-mentioned purpose better, the present invention also provides a kind of portable electronic devices, wherein, comprising:

One casing;

One loudspeaker comprise: a body, have 2 first through holes and a relative first surface and a second surface, and this first surface is towards this casing; One first bolster is located on this first surface; And 2 second bolsters, be located at this second surface, each those second bolster has one second through hole; And

Two fixtures, in order to passing those second through holes and those first through holes and to be fixed on this casing, with this body limits between this casing and those fixtures.

Technique effect of the present invention is: disclosed loudspeaker of the present invention and the portable electronic devices of using these loudspeaker; The loudspeaker and the gap between the casing of portable electronic devices are bigger; Provide loudspeaker enough oscillation spaces, can reduce the shell vibration amount and avoid resonance to take place.

Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.

Description of drawings

Fig. 1 is the sketch map according to the electronic installation of preferred embodiment of the present invention;

Fig. 2 A is the cutaway view of direction 2-2 ' among Fig. 1;

Fig. 2 B is the I portion enlarged drawing of Fig. 2 A;

The loudspeaker view of Fig. 3 for watching toward direction V1 among Fig. 2 A.

Wherein, Reference numeral

100 portable electronic devices

102 casings

104 loudspeaker

106 bodies

108 first bolsters

110 second bolsters

112 lower surfaces

114,140 fixtures

116 portions of raising one's voice

118 first through holes

120 first surfaces

122 second surfaces

124 flanges

126 second through holes

128 fixed parts

130,142 stopper sections

132,134 madial walls

136 openings

138 through holes

D, V1 direction

L1, L2, L3 distance

S1, S2 gap

T1, t2 thickness

Embodiment

Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:

Please be simultaneously with reference to Fig. 1 and Fig. 2 A, Fig. 2 B, Fig. 1 is the sketch map according to the electronic installation of preferred embodiment of the present invention, Fig. 2 A is the cutaway view of direction 2-2 ' among Fig. 1, Fig. 2 B is the I portion enlarged drawing of Fig. 2 A.Portable electronic devices 100 for example is that (Personal Digital Assistant, PDA) or mobile computer (notebook computer), the portable electronic devices of present embodiment 100 is the example explanation with the mobile computer to the individual digital secretary.

Portable electronic devices 100 comprises casing 102, loudspeaker 104 and fixture 114 and fixture 140.Loudspeaker 104 are located on the casing 102 and are comprised body 106, first bolster 108 and 2 second bolsters 110.

The bolster of processing by rubber compared to prior art, in the form of sheets the thickness t 2 of thickness t 1 and second bolster 110 in the form of sheets of first bolster 108 is very thin in the present embodiment, and its thickness is approximately between 0.5 millimeter (mm) and 1.0mm.Distance L 1 about 1.4mm of the lower surface 112 of first bolster 108 and casing 102; And distance L 2 about 1.4mm of the stopper section 142 of second bolster 110 on Fig. 2 A the right and fixture 140; Flange 124 is about 0.9mm with the distance L 3 of casing 102, and distance L 1, L2 and L3 provide the up-down vibration space of loudspeaker 104 about 2mm.Loudspeaker 104 consume most vibrational energy earlier in this oscillation space, the vibrational energy with minimum passes to casing 102 then, therefore significantly reduce the vibratory output of casing 102 and avoid resonance to take place.

In addition, the material of first bolster 108 and second bolster 110 for example is foam (sponge), and it has damping (damping) effect.In the process that loudspeaker 104 vibrate toward direction D, with first bolster, 108 bump casings 102 or with second bolster, 110 bump fixtures 114.Through the effect of the preferable absorption Impact energy of foam, can significantly reduce the vibratory output of casing 102 and avoid resonance to take place.

Because foam has damping (damping) character, so its thickness just can reach the effect of the generation of avoiding resonating under very thin situation, so the distance between casing 102 and the loudspeaker 104 can be dwindled.So, can dwindle casing 102 internal demands spaces, the thickness attenuation and the weight of portable electronic devices 100 are lightened.

Next further introduce the detail structure of loudspeaker 104.

Please continue with reference to Fig. 2 A and Fig. 2 B, body 106 comprises portion of raising one's voice 116 and two flanges 124.Two flanges 124 is located at relative two sides in the portion of raising one's voice 116 respectively.The portion 116 of raising one's voice has first surface 120, and flange 124 has the second surface 122 and first through hole 118.First surface 120 is relative two surfaces in the body 106 with second surface 122.

The portion 116 of raising one's voice comprises electromagnet (figure do not show) and coil (figure does not show), sees through electromagnet and coil, sounds after making the portion's of raising one's voice 116 energisings.

First bolster 108 is located at for example bonding method on the first surface 120 of the portion of raising one's voice 116, and second bolster 110 is located at the second surface 122 of flange 124 with for example bonding method.Second bolster 110 also has second through hole 126.

Fixture 114 and 140 pass second bolster 110 second through hole 126 and flange 124 first through hole 118 and be fixed on the fixed part 128 of casing 102, so that body 106 is limited between casing 102 and the fixture 114.

In addition, fixture 114 has stopper section 130, and when fixture 114 was fixed in the fixed part 128 of casing 102, flange 124 and body 106 were limited between the stopper section 130 of casing 102 and fixture 114.Equally, when fixture 140 was fixed in the fixed part 128 of casing 102, body 106 was limited between the stopper section 142 of casing 102 and fixture 140.In present embodiment, fixture 114 and 140 for example is a bolt, and fixed part 128 for example is suitable screw, and stopper section 130 and 142 is respectively the bolt head of fixture 114 and 140.

In addition, the about 0.25mm of gap S1 between the madial wall 132 of second through hole 126 of the fixture 114 and second bolster 110, the about 0.55m of gap S2 between the madial wall 134 of the fixture 114 and first through hole 118.That is to say that the internal diameter of second through hole 126 of second bolster 110 makes and raise one's voice portion 116 in the process of two sides vibration that what strike fixture 114 is second bolster 110 less than the internal diameter of first through hole 118 of flange 124.Thus, most vibrational energy is absorbed by second bolster 110, can reduce the vibratory output of casing 102.

Please with reference to Fig. 3, it is loudspeaker view of watching toward direction V1 among Fig. 2 A.Second through hole 126 exposes an opening 136 from the side of flange 124.The profile of second bolster 110 is corresponding with the profile of flange 124, and for example, the profile of second bolster 110 and flange 124 is all the shape of a hoof, and it has and is easy to the location, attaches easily, and then promotes characteristic such as speed of production.

In addition, the profile of first bolster 108 is an annular.That is, first bolster 108 has a through hole 138, to expose the sounding position of the portion of raising one's voice 116.In addition, the appearance similar of first bolster 108 for example is a rectangle in the profile of the portion of raising one's voice 116.

First bolster 108 and second bolster 110 can be through for example being process formings such as laser cutting, machine cuts or punching press.For instance,, can cut out several pieces first bolsters 108 and several pieces second bolsters 110 easily with cutter or other cutting technique cutting whole piece foam material, quite quick.Say that further first bolster 108 and second bolster 110 do not need to make with the die sinking mode in addition, can save a large amount of manufacturing expenses and man-hour.

Disclosed loudspeaker of the above embodiment of the present invention and the portable electronic devices of using these loudspeaker, the loudspeaker and the gap between the casing of portable electronic devices are bigger, provide loudspeaker enough oscillation spaces, can reduce the shell vibration amount and avoid resonance to take place.

Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1. loudspeaker are located on the casing of a portable electronic devices, and this portable electronic devices also comprises two fixtures, it is characterized in that, these loudspeaker comprise:

One body has 2 first through holes and a relative first surface and a second surface, and this first surface is towards this casing;

One first bolster is located on this first surface;

2 second bolsters are located at this second surface, and each those second bolster has one second through hole;

Wherein, those fixtures are in order to passing those second through holes and those first through holes and to be fixed on this casing, with this body limits between this casing and those fixtures.

2. loudspeaker as claimed in claim 1 is characterized in that this body comprises the portion of raising one's voice and two flanges, and this two flanges is located at relative two sides in this portion of raising one's voice respectively;

Wherein, this first bolster is located in this portion of raising one's voice, and those first through holes lay respectively at those flanges, and this first surface is positioned in this portion of raising one's voice, and this second surface is positioned at those flanges.

3. loudspeaker as claimed in claim 2 is characterized in that, each those second through hole exposes an opening from the side of this flange of correspondence, and the profile of each those second bolster is corresponding with the profile of this corresponding flange.

4. loudspeaker as claimed in claim 3 is characterized in that, the profile of each those second bolster is the shape of a hoof.

5. loudspeaker as claimed in claim 1 is characterized in that, this first bolster is 1.4mm at a distance of the distance of this casing, and at least one distance at a distance of this corresponding fixture is 1.4mm in those second bolsters.

6. loudspeaker as claimed in claim 1 is characterized in that the internal diameter of this second through hole is less than the internal diameter of this first through hole.

7. loudspeaker as claimed in claim 1 is characterized in that, the material of the material of this first bolster and each those second bolster is continuous for bubble.

8. loudspeaker as claimed in claim 1 is characterized in that, the thickness of the thickness of this first bolster and each those second bolster is between 0.5mm and 1.0mm.

9. loudspeaker as claimed in claim 1 is characterized in that, the profile of this first bolster is the ring-type rectangle.

10. a portable electronic devices is characterized in that, comprising:

One casing;

One loudspeaker comprise: a body, have 2 first through holes and a relative first surface and a second surface, and this first surface is towards this casing; One first bolster is located on this first surface; And 2 second bolsters, be located at this second surface, each those second bolster has one second through hole; And

Two fixtures, in order to passing those second through holes and those first through holes and to be fixed on this casing, with this body limits between this casing and those fixtures.

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