CN101771906B - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN101771906B CN101771906B CN 200810191730 CN200810191730A CN101771906B CN 101771906 B CN101771906 B CN 101771906B CN 200810191730 CN200810191730 CN 200810191730 CN 200810191730 A CN200810191730 A CN 200810191730A CN 101771906 B CN101771906 B CN 101771906B
- Authority
- CN
- China
- Prior art keywords
- sound
- connector
- loud speaker
- producing device
- pedestal
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention relates to a loudspeaker. The loudspeaker comprises a base body, a first connector, a second connector, a power amplification circuit and a sound emitting device, wherein the second connector is used for connecting an external audio signal source; the power amplification circuit is electrically connected with the first connector and the second connector respectively; the sound emitting device is used for receiving an audio signal of the external audio signal source and playing the sound, and comprises a third connector which is electrically connected with the first connector; any one of the base body and the sound emitting device is provided with at least one groove; at least one flange is arranged on the other one of the base body and the sound emitting device; and the sound emitting device is separably arranged on the base body through the mechanical fit of the groove and the flange.
Description
Technical field
The present invention relates to a kind of loud speaker, relate in particular to a kind of loud speaker that has pedestal.
Background technology
Loudspeaker are the early stage a kind of loud speakers that use of people.A kind of horn 10 that Fig. 1 discloses for prior art, it comprises that the basin 102 and that shakes is arranged at the sounding component 104 in this basin 102 that shakes.During use, this sounding component 104 is electrically connected with an external source of audio signals by lead gets final product.Yet, horn 10 idle discharge roads, volume is less.
Horn can't satisfy transaudient at a distance, has produced another kind of loud speaker afterwards, i.e. sound equipment.Fig. 2 is a kind of audio amplifier 20 that prior art discloses, and it comprises that a casing 202, is arranged at the sounding component 204 on the casing 202 and is arranged at power amplifier (not shown) in the casing 202, and this power amplifier is electrically connected with sounding component 204.When this audio amplifier 20 uses, by a data wire this power amplifier is connected with an external source of audio signals and gets final product.Yet the vibrating diaphragm of the sounding component 204 of this audio amplifier 20 is generally the awl benzvalene form, needs a resonance casing 202, and volume is bigger, uses inconvenient.
For the volume that makes loud speaker reduces, prior art discloses a kind of panel speaker, and it makes the plane with vibrating diaphragm.Because the sound wave phase place that the two sides produces before and after the plane diaphragm is in the same way, so panel speaker does not need casing, volume is less.
Yet, comparatively loaded down with trivial details when panel speaker uses, need to use a plurality of data wires to be connected with external source of audio signals.Prior art does not disclose a kind of both can be used for installing loud speaker and the direct pedestal that is connected with external source of audio signals.
Summary of the invention
In view of this, necessaryly provide a kind of loud speaker that has pedestal, and the pedestal of this loud speaker can be connected with external source of audio signals directly.
A kind of loud speaker, this loud speaker comprises a pedestal; One first connector; One second connector, this second connector are used for connecting external source of audio signals; One power amplifier, this power amplifier are electrically connected with described first connector and second connector respectively; And a tabular sound-producing device, this sound-producing device is used for receiving the audio signal of described external source of audio signals and playing sound, and this sound-producing device comprises that one is used for the 3rd connector that is electrically connected with described first connector.Wherein, at least one groove is arranged in this pedestal and the sound-producing device any one, at least one flange is arranged in this pedestal and the sound-producing device another, this sound-producing device is installed on the described pedestal separably by the machinery cooperation of above-mentioned groove and flange, and described tabular sound-producing device forms an angle with the pedestal surface that is provided with this sound-producing device.
Compared with prior art, described loud speaker comprises a pedestal, and be provided with a connector that connects external source of audio signals in this pedestal, thus this pedestal not only sound-producing device can be installed but also can directly be connected with external source of audio signals, thereby make this loud speaker use more convenient.
Description of drawings
Fig. 1 is the structural representation of horn of the prior art.
Fig. 2 is the structural representation of audio amplifier of the prior art.
Fig. 3 is the stereogram of the loud speaker of first embodiment of the invention.
Fig. 4 is the exploded view of the pedestal of loud speaker among Fig. 3.
Fig. 5 is that the housing of the pedestal of loud speaker among Fig. 3 is inverted figure.
Fig. 6 is the three-dimensional exploded view of the sound-producing device of loud speaker among Fig. 3 of the present invention.
Fig. 7 is the three-dimensional exploded view of another angle of sound-producing device among Fig. 6.
Fig. 8 removes three-dimensional assembly diagram behind the fixing housing for sound-producing device in the picture 7.
Fig. 9 is the three-dimensional exploded view of the loud speaker among Fig. 3.
Figure 10 is the end view of the loud speaker of second embodiment of the invention.
Figure 11 is the stereogram of the pedestal of the loud speaker among Figure 10.
Embodiment
Describe the loud speaker of the embodiment of the invention in detail below with reference to accompanying drawing.
See also Fig. 3, first embodiment of the invention provides a kind of loud speaker 30, and it comprises: a pedestal 40 and is installed on the sound-producing device 50 on the pedestal 40.Following elder generation is described in detail at pedestal 40.
See also Fig. 4, described pedestal 40 comprises a substrate 42 and covers at a housing 44 in the described substrate 42.Be equipped with in this pedestal 40 one in order to first connector 60 that is electrically connected with sound-producing device 50, power amplifier device 70 that a pair of described sound-producing device 50 provides power amplifier, one in order to first connector 60 and sound-producing device 50 are fixed in second connector 90 that fixture 80 and on the housing 44 is connected external source of audio signals.
The material of described substrate 42 comprises one or more in metal, alloy, glass and the resin.Shape and the size of described substrate 42 are not limit, and can design according to actual needs.In the present embodiment, described substrate 42 is a rectangular plastic flat board, and described substrate 42 is provided with a plurality of fixing holes 420 in order to stationary housing 44 and power amplifier device 70.Described substrate 42 is equipped with a boss 422 in order to support this second connector 90 corresponding to second connector, 90 positions.
The material of described housing 44 comprises one or more in metal, alloy, glass and the resin.Shape and the size of described housing 44 are not limit, and can design according to actual needs.Please be simultaneously referring to Fig. 4 and Fig. 5, in the present embodiment, described housing 44 is the hollow cuboid of a side opening, described opening is towards substrate 42, and its shape and substrate 42 are suitable.Described housing 44 comprises two relatively and the longer sidewall 440 that be arranged in parallel, two relatively and the shorter side wall 442 that be arranged in parallel and connect the top boards 446 of described longer sidewall 440 and shorter side wall 442.The sidewall 440 of described substrate 42 and housing 44,442 and the top board 446 common accommodation spaces 46 that form.Wherein, being provided with a round hole 4420 in the middle part of the end of one sidewall 442 near top board 446 exposes the infrared signal reception terminal (not shown) of described connector 90, another sidewall 442 is provided with a projection 4422 near an end of opening, this projection 4422 is provided with an opening (figure is mark not), so that power line 100 can be stretched out by housing 44.A close wherein sidewall 442 places are provided with a rectangular aperture 4460 over against second connector 90 on the described top board 446, be provided with a perforation 4469 near another opposing sidewalls 442 positions, this top board 446 forms a groove 4462 in opening 4460 and the downward punching press in position of boring a hole between 4469.The width of the length of parallel and this groove 4462 of the bearing of trend of described groove 4462 and sidewall 442 and the top board 446 of this housing 44 is identical, and the cross section of this groove 4462 takes the shape of the letter U, and it is nearer apart from projection 4422, and far away apart from perforate 4420.Described groove 4462 is surrounded by two side plates that are oppositely arranged 4466 and a base plate 4464 that connects two side plates, 4466 bottoms.Wherein, the central position of described base plate 4464 is formed with two square openings 4465 that arrange at interval, with ccontaining above-mentioned first connector 60, the symmetrical configuration of described biside plate 4466, be formed with 4467 and two projectioies 4468 of cracking on each side plate 4466, described 4467 the length direction of cracking is parallel to the bearing of trend of groove 4462, and described two projectioies 4468 are arranged at 4467 both sides of cracking respectively, and described protruding 4468 are column.The biside plate 4466 of described groove 4462 and base plate 4464 are corresponding to the housing 44 inner protuberances 4463 (seeing also Fig. 5) that form.Position corresponding with above-mentioned two perforates 4465 on the described protuberance 4463 is provided with two square holddown grooves 4461, and described two square holddown grooves 4461 both sides are formed with two cylinders 448 to locate described fixture 80.Described housing 44 inwalls are provided with a plurality of projections 447, each projection 447 is provided with the fixed installation hole 4470 corresponding with the fixing hole 420 of substrate 42, the fixing hole 420 that some screws pass in the substrate 42 screws togather with installing hole 4470 on the projection 447, thereby housing 44 is fixed in the substrate 42.
Described first connector 60 can be realized the element of signal output for plug, socket or elastic contact chip etc. are any.In the present embodiment, described first connector 60 comprises a plinth 62 and a plurality of metal clips 64 that is arranged on the base 62.
Described power amplifier device 70 is electrically connected with described first connector 60 and second connector 90 respectively, is used for being amplified and to transfer to described sound-producing device 50 by the signal of second connector 90 input.In the present embodiment, described power amplifier device 70 comprises that a substrate 72, is arranged at printed circuit board (PCB) 74 and the indicator light 76 on this substrate 72.Described substrate 72 is used for supporting printing board 74.In the present embodiment, described substrate 72 is a rectangular metal plate.Described printed circuit board (PCB) 74 is one in the identical plate of substrate 72 shapes, it is inner integrated power amplifier.Described printed circuit board (PCB) 74 and described substrate 72 parallel and settings at interval, and between described printed circuit board (PCB) 74 and described substrate 72, be provided with four pads (figure is mark).Described indicator light 76 is electrically connected with printed circuit board (PCB) 74.Described indicator light 76 supports by a support bar 78, and is arranged in the perforation 4469 of top board 446 of housing 44.Described power amplifier device 70 is electrically connected with a power line 100, and this power line 100 is stretched out by the perforate (not shown) on the projection 4422 of the sidewall 442 of housing 44.Further, a heat abstractor (not shown) can also be set so that this power amplifier device 70 is dispelled the heat near the described power amplifier device 70.
Described fixture 80 is the shell fragment of a bending, and it comprises two clamps 86 that the sidewall 84, that is oppositely arranged for one or two connects the diapire 82 of described two sidewall 84 bottoms and arranges in opposite directions from sidewall 84 tops inwardly.This fixture 80 cooperates in order to the protuberance 4463 with housing 44 top boards 446, and described clamp 86 is used for inserting described housing 44 and cracks 4467 and fasten with sound-producing device 50 accordingly, thereby sound-producing device 50 is fixed on the pedestal 40.Described diapire 82 is provided with two hollow boss 820 corresponding with the holddown groove 4461 in the housing 44.Two perforates 822 are symmetricly set in described protruding 820 both sides, with the installation of convenient described fixture 80.Described protruding 820 act as: described protruding 820 replace described first connector 60 to be located when described first connector 60 is installed in the described holddown groove 4461.The protuberance 4463 of described housing 44 inside is placed in this fixture 80.The projection 820 of described fixture 80 is inserted in the holddown groove 4461 on the protuberance 4463.
Described second connector 90 is positioned on the boss 422 of described housing 44 substrates 42, and this second connector 90 can be line-end connector or plate terminal adapter, and it is used for power amplifier device 70 is electrically connected with the external source of audio signals (not shown).In the present embodiment, described second connector 90 comprises a shell and is arranged at circuit element (not shown) in the shell.Described shell comprises that two shorter side walls 92 that are oppositely arranged, two longer sidewalls 94 that are oppositely arranged and connect the top board 96 and base plate (not shown) of described shorter side wall 92 and longer sidewall 94.Wherein a sidewall 94 is provided with a round hole 940 corresponding with the perforate 4420 on the housing 44 near the central position of top boards 96, and the infrared signal reception terminal (not shown) of described connector 90 is exposed.Described top board 96 forms an accommodation space 960 near the downward punching press in position of perforates 940, and described accommodation space 960 is identical with opening 4460 shapes on housing 44 top boards 446, to connect with it.This accommodation space 960 is surrounded by a diapire 962 and the sidewall (figure marks) that is connected with this diapire 962, and this diapire 962 is angle of inclination setting with respect to the top board 96 of connector 90.The diapire 962 of described groove 960 is provided with the interface 964 of a connection audio signal source (not shown).Described interface 964 is an interface that can be connected with any musical instruments.In the present embodiment, described interface 964 is a docking station interface, can with the supporting use of music players such as MP3, MP4.
The order of described pedestal 40 assemblings is: at first, connect on the boss 422 that device 90 is arranged at described substrate 42 second; Secondly, power amplifier 70 is arranged in the described substrate 42; Again, described first connector 60 is arranged in two perforates 4465 of housing 44; Then, fixture 80 is arranged on the protuberance 4463 in the described housing 44, makes the clamp 86 of fixture 80 insert described housing 44 and crack 4467 accordingly, and the projection 820 of fixture 80 is withstood first connector 60; At last, housing 44 is covered with and is fixed in the described substrate 42.
More than be the description of pedestal 40, below sound-producing device 50 be introduced.
See also Fig. 6, described sound-producing device 50 comprises that a sounding module 52, two is positioned at the protection component 54 of sounding module 52 both sides and described sounding module 52 and protection component 54 are are fixedly inserted and put therebetween a fixing housing.Below introduce sounding module 52 earlier.
Described sounding module 52 comprises a fixed mount 520, a plurality of first electrode 522 and a plurality of second electrode 524, and each first electrode 522 is all adjacent with one second electrode 524 and arrange at interval and sounding components 526.The two ends of described first electrode 522 and second electrode 524 are individually fixed on these fixed mount 520 two opposite edges frames and are electrically connected with this sounding component 526 respectively.The signal that described sounding component 526 can be accepted described first electrode 522 and 524 inputs of second electrode sends sound wave.
Described first electrode 522 and second electrode 524 are made by electric conducting material, and its shape is not limit.Preferably, first electrode 522 and second electrode 524 adopt the bigger metal or alloy of intensity to make, and this metal or alloy can be in tungsten, molybdenum and the stainless steel one or more.In the present embodiment, described first electrode 522 and second electrode 524 are stainless steel.Described a plurality of first electrode 522 is electrically connected, and described a plurality of second electrodes 524 are electrically connected.Particularly, the sounding module in the present embodiment 52 comprises four first electrodes 522 and four second electrodes 524.Described 4 first electrodes 522 are electrically connected by a short-circuit piece 528, and described four second electrodes 524 are electrically connected by another short-circuit piece 529.Sounding module 52 in the present embodiment comprises a plurality of first electrodes 522 and a plurality of second electrode 524, and each first electrode 522 and the 524 adjacent settings of one second motor can reduce the operating voltage of sounding module 52.Be appreciated that ground, the number of electrodes among the present invention also can be set to two, i.e. one first electrode 522 and one second electrode 524.
Shape and the size of described fixed mount 520 are not limit, and can design according to actual needs.Described fixed mount 520 is made by insulating material, and this insulating material comprises one or more in glass, pottery, resin, wood materials, quartz, the plastics etc.In the present embodiment, described fixed mount 520 is a square plastic frame.The length of side of described fixed mount 520 is slightly less than the length of first and second electrode 522,524, and thickness is greater than the diameter of first and second electrode 522,524.This fixed mount 520 is used for fixing on relative two frames of first and second electrode 522,524 and is formed with a groove 5202 respectively, and described short-circuit piece 528,529 is embedded in this groove 5202.Be respectively equipped with a plurality of lugs 5204 on parallel two frames of described fixed mount 520 and first and second electrode 522,524, these lugs 5204 are used for being interlocked with the protection component 54 of sounding module 52 both sides.Be appreciated that ground, first and second electrode 522,524 among the present invention also can directly be fixed on the short-circuit piece 528,529 and by short-circuit piece 528,529 and be electrically connected, that is, described fixed mount 520 is a selectable unit.
Described sounding component 526 can be realized the sounding component of electricity-Re-sound conversion for paillon foil, carbon nano tube structure etc. are any.In the present embodiment, described sounding component 526 comprises a carbon nano tube structure.Described carbon nano tube structure has bigger specific area.This carbon nano tube structure comprises at least one carbon nano-tube film.Particularly, described carbon nano tube structure can comprise a plurality of parallel and do not have the gap and lay or/and the carbon nano-tube film of overlapping laying.The thickness of described carbon nano tube structure (being diameter during linear structure) is 0.5 nanometer～1 millimeter.Preferably, the thickness of this carbon nano tube structure is 50 nanometers.The unit are thermal capacitance of described carbon nano tube structure can be less than 2 * 10
-4Every square centimeter of Kelvin of joule.Preferably, the unit are thermal capacitance of described carbon nano tube structure is less than 1.7 * 10
-6Every square centimeter of Kelvin of joule.Carbon nano-tube in the described carbon nano tube structure comprises one or more in Single Walled Carbon Nanotube, double-walled carbon nano-tube and the multi-walled carbon nano-tubes.The diameter of described Single Walled Carbon Nanotube is 0.5 nanometer～50 nanometers, and the diameter of described double-walled carbon nano-tube is 1.0 nanometers～50 nanometers, and the diameter of described multi-walled carbon nano-tubes is 1.5 nanometers～50 nanometers.
Described carbon nano-tube film comprises a plurality of equally distributed carbon nano-tube, combines closely by Van der Waals force between the carbon nano-tube.Carbon nano-tube in this carbon nano-tube film can be orderly arrangement.What is called refers to that in order the orientation of carbon nano-tube is regular.Particularly, the carbon nano-tube in this carbon nano-tube film is arranged of preferred orient along a direction.Described carbon nano-tube film can directly obtain by pulling a carbon nano pipe array.This carbon nano-tube film comprises a plurality of carbon nano-tube that are arranged of preferred orient, and joins end to end by Van der Waals force between the carbon nano-tube.Particularly, each carbon nano-tube film comprise a plurality of continuously and the carbon nano-tube fragment that aligns.These a plurality of carbon nano-tube fragments join end to end by Van der Waals force.Each carbon nano-tube fragment comprises a plurality of carbon nano-tube that are parallel to each other, and these a plurality of carbon nano-tube that are parallel to each other are combined closely by Van der Waals force.This carbon nano-tube fragment has width, thickness, uniformity and shape arbitrarily.Carbon nano-tube in this carbon nano-tube film is arranged of preferred orient in the same direction.Described single-layer carbon nano-tube film has higher transparency.Be appreciated that by a plurality of carbon nano-tube films are parallel and do not have that the gap is laid or/and overlapping laying, can prepare the carbon nano tube structure of different area and thickness.When carbon nano tube structure comprised a plurality of carbon nano-tube film that overlaps, the orientation of the carbon nano-tube in the adjacent carbon nano-tube film formed an angle β, 0 °≤β≤90 °.
In the present embodiment, preferably, described carbon nano tube structure as sounding component 526 comprises one deck carbon nano-tube film.The orientation of carbon nano-tube is extended to second electrode 524 along first electrode 522 in the described carbon nano tube structure.
Described carbon nano tube structure can closely contact by viscosity and described first and second electrode 522,524 of himself, also can closely contact by conductive adhesive and described first and second electrode 3522,524.Described conductive adhesive can be arranged at described carbon nano tube structure and first and second electrode 522,524 contacted surfaces.Described conductive adhesive can also make described carbon nano tube structure and first and second electrode 522,524 fixing better when realizing that carbon nano tube structure and first and second electrode 522,524 electrically contact.In the present embodiment, described conductive adhesive is one deck elargol.
The working media of described sounding component 526 is not limit, and only need satisfy its resistivity and get final product greater than the resistivity of described sounding component 526.Described medium comprises gaseous medium or liquid medium.Described gaseous medium comprises air.Described liquid medium comprises one or more in non-electrolytic solution, water and the organic solvent etc.Wherein, described water comprises pure water, running water, fresh water and seawater, and described organic solvent comprises methyl alcohol, ethanol and acetone etc.In the present embodiment, described medium is air.
Above-mentioned sounding component 526 in use, because carbon nano tube structure is made up of equally distributed carbon nano-tube, and this carbon nano tube structure has bigger specific area, so this carbon nano tube structure has less unit are thermal capacitance and bigger heat-delivery surface, behind input signal, carbon nano tube structure heating and cooling rapidly, produce periodic variations in temperature, and and surrounding medium carry out heat exchange fast, make surrounding medium property density cycle change, and then sound.So in the embodiment of the invention, the sounding principle of described sounding component 526 is the conversion of " electricity-Re-sound ".
The sound pressure level of the sounding component 526 that the embodiment of the invention provides is greater than 50 decibels of every watt of sound pressure levels, and the audible frequency scope is 1 hertz to 100,000 hertz (being 1Hz-100kHz).Described sounding component 526 can be less than 3% 300 hertz of distortion factors to the 40000 hertz frequency scopes.In addition, the carbon nano tube structure in the embodiment of the invention has toughness and mechanical strength preferably, and described carbon nano tube structure can be made the sounding component 526 of different shape and size easily.
Described each protection component 54 is a loose structure, as: metal grid mesh.Described metal grid mesh can be by forming to the metallic plate etching or by the metal wire braiding.In the present embodiment, two metal grid meshs are arranged at fixed mount 520 both sides respectively, and are fixed on the fixed mount 520.Described metal grid mesh forms the metallic plate etching for passing through, and it comprises a plurality of equally distributed micropores.The mode that protection component 54 is fixed on the fixed mount 520 is not limit, can for bolt, binding agent or any can be in a fixed manner.In the present embodiment, described metal grid mesh and electrode 522,524 parallel both sides are respectively arranged with draw-in groove 540, wear for lug 5204, thereby metal grid mesh is fixed on the fixed mount 520.Adopt metal grid mesh outwards to transmit as the sound wave that protection component 54 both can make sounding component 526 send; can protect the carbon nano tube structure as sounding component 526 not destroyed by the external world again; can also make the heat of sounding component 526 generations rapidly to outdiffusion, to guarantee sounding module 52 operate as normal.Be appreciated that ground, the protection component 54 among the present invention can also be a metal grid mesh that bends to U-shaped.Described sounding module 52 is arranged in the U-lag of this U-shaped metal grid mesh.
Described fixedly housing comprise first fixedly housing 56 and with this first fixing second fixing housing 58 of cooperating of housing 56.Described first fixedly housing 56 comprise that 560, four frames 560 of four frames join end to end and form a perforate 562.Described second fixedly housing 58 comprise respectively that 580, four frames 580 of four frames join end to end and form a perforate 582.First and second fixedly housing 56,58 complement each other to form an accommodation space, to accommodate sounding module 52 and protection component 54.The sound wave that described perforate 562,582 can make sounding component 526 send outwards transmits, and can make the heat of sounding component 526 generations rapidly to outdiffusion again, to guarantee sounding module 52 operate as normal.Described first fixedly housing 56 and second fixedly housing 58 can be by bolt, binding agent or any can being fixed together in a fixed manner.Described first fixedly housing 56 and second fixedly housing 58 made by insulating material, this insulating material comprises one or more in glass, pottery, resin, wood materials, quartz, the plastics etc.In the present embodiment, described first fixedly housing 56 and second fixedly housing 58 be the square plastic frame.Described first fixedly housing 56 and second fixedly housing 58 is by bolt together.
Please in the lump referring to Fig. 7, described first and second fixedly housing 56,58 lower frames 560 towards pedestal 40,580 lateral surface centre positions are formed with a fixing slot 564,584 and two depressions 566,586 that are arranged at fixing slot 564,584 both sides.The clamp 86 of the fixture 80 in described fixing slot 564,584 and the described housing 44 matches, and plugs for clamp 86; Two projectioies 4468 in the groove 4462 of described depression 566,586 and described housing 44 are complementary, thereby sound-producing device 50 is fixed on the described pedestal 40.
See also Fig. 8, described fixed frame bottom is connected with the 3rd connector 57 towards groove 4462 positions of pedestal 40.Described the 3rd connector 57 can be realized the element of signal input for plug, socket or elastic contact chip etc. are any.In the present embodiment, described the 3rd connector 57 is two sheet metals.Wherein a sheet metal is electrically connected with described first electrode 522, and another sheet metal is electrically connected with described second electrode 524.Described sheet metal by bolt in described first fixedly on the bottom frame 560 of housing 56, and corresponding with the perforate 4465 of housing 40 grooves 446 base plates 4464.Described the 3rd connector 57 is electrically connected with first connector 60 on the pedestal 40.Be appreciated that ground, also can realize being electrically connected of power amplifier device 70 and sound-producing device 50 in the pedestal 40 by other modes such as leads.
The order of described sound-producing device 50 assemblings is: fixed mount 520 both sides that earlier two protection components 54 are individually fixed in sounding module 52; Then, with first and second fixedly housing 56,58 be arranged at described two protection component 54 both sides respectively, and with first and second fixing housing 56,58 fixing.Because the present invention adopts paillon foil or carbon nano tube structure as sounding component 526, so sound-producing device 50 can be made tabular, thereby makes sound-producing device 50 miniaturizations.
The sound-producing device that provides in the present embodiment 50 is tabular, the flanges (scheming to mark) that sound-producing device 50 is provided with fixing slot 564,584 and 566,586 the end definition one of caving in cooperates with groove 4462 machineries of described pedestal 40.Described sound-producing device 50 can be installed on the described pedestal 40 separably by the machinery cooperation of above-mentioned groove 4462 and flange (figure is mark not).See also Fig. 9, when described loud speaker 30 is assembled, sound-producing device 50 is provided with fixing slot 564,584 and 566,586 the end of caving in, be that flange inserts in the groove 4462 of described pedestal 40, and projection 4468 is inserted in the corresponding depression 566,586 respectively, and clamp 86 is inserted in the corresponding fixing slot 564, the 3rd connector 57 of described sound-producing device 50 is electrically connected with first connector 60 of described pedestal 40 simultaneously.
During 30 work of described loud speaker, with an audio signal source, the interface 964 of second connector 90 as described in inserting as MP3.The signal that described audio signal source sends arrives sound-producing device 50 by second connector 90 and power amplifier device 70.After carbon nano tube structure in the described sound-producing device 50 receives signal, beginning circumference air, and sound.
See also Figure 10, second embodiment of the invention provides a kind of loud speaker 30a, and it comprises: a pedestal 40a and is installed on the sound-producing device 50a on the pedestal 40a.The structure of the loud speaker 30 that described loud speaker 30a and first embodiment of the invention provide is basic identical, and its difference is that pedestal 40 structures of the loud speaker 30 that described pedestal 40a and first embodiment provide are different.
See also Figure 11, described pedestal 40a comprises a substrate 42a and a housing 44a who cooperates with this substrate 42a.Described housing 44a comprises a top board 446a, and the downward punching press of described top board 446a central position forms a groove 4462a, the side plate (figure is mark not) that this groove 4462a comprises a base plate 4464a and is connected with this base plate 4464a.The cross section of described groove 4462a is a U-shaped that rotates clockwise or counterclockwise, and the described anglec of rotation is spent less than 90 greater than 0 degree.In the present embodiment, the cross section of described groove 4462a is U-shapeds that turn clockwise about 15 degree, that is to say that the base plate 4464a of described groove 4462a and the substrate 42a of pedestal 40a are greater than 0 degree less than 90 angles of spending.Described housing 44a is one streamlined, makes this pedestal 40a seem to have more aesthetic feeling.Described pedestal 40a is positioned in the horizontal plane, sound-producing device 30a is inserted in the groove 4462a of this pedestal 40a after, described sound-producing device 30 ' forms an angle with substrate 42a.Be appreciated that ground, sounding so can produce heat in the course of the work, makes sound-producing device 30a and vertical direction form an angle because sound-producing device 30a passes through the circumference medium, be conducive to sound-producing device 30a heat radiation, thereby guarantee this sound-producing device 30a operate as normal.
Third embodiment of the invention provides a kind of loud speaker, and it comprises: a pedestal and is installed on the sound-producing device on the pedestal.The structure of the loud speaker that described loud speaker and first embodiment of the invention provide is basic identical, and its difference is that among the 3rd embodiment, the pedestal of described loud speaker is provided with a flange, and an end of the sound-producing device of described loud speaker is provided with a groove.Be provided with first connector in the groove of the sound-producing device of described loud speaker, the flange of the pedestal of described loud speaker is provided with the 3rd connector.Described sound-producing device can be installed on the described pedestal separably by the machinery cooperation of above-mentioned groove and flange, and described first connector is electrically connected with the 3rd connector.
In addition, those skilled in the art also can do other variations in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (18)
1. a loud speaker is characterized in that, this loud speaker comprises:
One pedestal;
One first connector;
One second connector, this second connector are used for connecting external source of audio signals;
One power amplifier, this power amplifier are electrically connected with described first connector and second connector respectively; An and tabular sound-producing device, this sound-producing device is used for receiving the audio signal of described external source of audio signals and playing sound, this sound-producing device comprises one for the 3rd connector that is electrically connected with described first connector, at least one groove is arranged in this pedestal and the sound-producing device any one, at least one flange is arranged in this pedestal and the sound-producing device another, this sound-producing device is installed on the described pedestal separably by the machinery cooperation of above-mentioned groove and flange, and described tabular sound-producing device forms an angle with the pedestal surface that is provided with this sound-producing device.
2. loud speaker as claimed in claim 1, it is characterized in that described pedestal comprises a substrate and the housing that cooperates with substrate, described second connector is arranged in this substrate, described housing has a top board, described top board be provided with one with the described second connector corresponding opening.
3. loud speaker as claimed in claim 2 is characterized in that, the top board of described housing forms the groove of a ccontaining sound-producing device towards base recess, and described groove is surrounded by a diapire and two sidewalls that are connected with diapire.
4. loud speaker as claimed in claim 3 is characterized in that, is formed with perforate on the diapire of described groove, and described the 3rd connector is arranged in this perforate.
5. loud speaker as claimed in claim 3, it is characterized in that be formed with one respectively on two sidewalls of described groove and crack, a fixture is arranged in the described pedestal, this fixture has two clamps that relatively arrange, and described clamp is inserted and stretched out in described the cracking and be stuck in the described sound-producing device.
6. as claim 3 or 5 described loud speakers, it is characterized in that, be formed with two projectioies on each sidewall of described groove, the position that described sound-producing device is corresponding with described projection is provided with depression, and described projection and described depression fasten.
7. loud speaker as claimed in claim 3 is characterized in that, the cross section of described groove takes the shape of the letter U.
8. loud speaker as claimed in claim 3 is characterized in that, described substrate is a flat board, forms an angle between described diapire and the described substrate, and described angle is spent less than 90 greater than 0 degree.
9. loud speaker as claimed in claim 2 is characterized in that, described second connector has a docking station interface corresponding with described opening.
10. loud speaker as claimed in claim 1 is characterized in that, described sound-producing device is a thermo-acoustic device.
11. loud speaker as claimed in claim 1 is characterized in that, described sound-producing device comprises a sounding module, and this sounding module comprises at least one first electrode, at least one second electrode and the carbon nano tube structure that is electrically connected with this first and second electrode.
12. loud speaker as claimed in claim 11 is characterized in that, described sounding module further comprises a fixed mount, and described first electrode and second electrode are individually fixed on this fixed mount.
13., it is characterized in that described sound-producing device comprises that further two are arranged at intervals at the protection component of sounding module both sides as claim 11 or 12 described loud speakers.
14. loud speaker as claimed in claim 13 is characterized in that, described sound-producing device further comprises two fixing housings, this two fixedly housing complement each other to form an accommodation space, described sounding module and protection component are contained in this accommodation space.
15. loud speaker as claimed in claim 12 is characterized in that, described carbon nano tube structure comprises at least one carbon nano-tube film.
16. loud speaker as claimed in claim 15 is characterized in that, described carbon nano-tube film is layed on described first and second electrode.
17. loud speaker as claimed in claim 11 is characterized in that, described the 3rd connector comprises two sheet metals, and wherein a sheet metal is electrically connected with described first electrode, and another sheet metal is electrically connected with described second electrode.
18. loud speaker as claimed in claim 17 is characterized in that, described first connector comprises a plurality of for the metal clips that is electrically connected with the sheet metal of sound-producing device.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810191730 CN101771906B (en) | 2008-12-30 | 2008-12-30 | Loudspeaker |
| US12/655,398 US8325947B2 (en) | 2008-12-30 | 2009-12-30 | Thermoacoustic device |
| US12/661,132 US8311244B2 (en) | 2008-12-30 | 2010-03-11 | Thermoacoustic device |
| US12/661,108 US8306246B2 (en) | 2008-12-30 | 2010-03-11 | Thermoacoustic device |
| US12/661,109 US8300856B2 (en) | 2008-12-30 | 2010-03-11 | Thermoacoustic device |
| US12/661,106 US8315414B2 (en) | 2008-12-30 | 2010-03-11 | Thermoacoustic device |
| US12/661,149 US8345896B2 (en) | 2008-12-30 | 2010-03-11 | Thermoacoustic device |
| US12/661,148 US8315415B2 (en) | 2008-12-30 | 2010-03-11 | Speaker |
| US12/661,925 US8238586B2 (en) | 2008-12-30 | 2010-03-25 | Thermoacoustic device |
| US12/756,872 US8325949B2 (en) | 2008-12-30 | 2010-04-08 | Thermoacoustic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810191730 CN101771906B (en) | 2008-12-30 | 2008-12-30 | Loudspeaker |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310340850.1A Division CN103442320B (en) | 2008-12-30 | 2008-12-30 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101771906A CN101771906A (en) | 2010-07-07 |
| CN101771906B true CN101771906B (en) | 2013-08-21 |
Family
ID=42504443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810191730 Active CN101771906B (en) | 2008-12-30 | 2008-12-30 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101771906B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414969A (en) * | 2013-08-29 | 2013-11-27 | 刘骏涛 | Miniature sound box |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289221A (en) * | 1999-09-22 | 2001-03-28 | 徐巍 | Very thin loudspeaker and its manufacture |
| CN201025729Y (en) * | 2007-03-09 | 2008-02-20 | 金来昶 | An ultra-thin sound for car |
-
2008
- 2008-12-30 CN CN 200810191730 patent/CN101771906B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289221A (en) * | 1999-09-22 | 2001-03-28 | 徐巍 | Very thin loudspeaker and its manufacture |
| CN201025729Y (en) * | 2007-03-09 | 2008-02-20 | 金来昶 | An ultra-thin sound for car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101771906A (en) | 2010-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8311244B2 (en) | Thermoacoustic device | |
| CN101600140B (en) | Sound producing device | |
| US8457331B2 (en) | Thermoacoustic device | |
| CN101594563A (en) | sound-producing device | |
| US8023670B2 (en) | Stray capacitance reduced condenser microphone | |
| CN101771906B (en) | Loudspeaker | |
| CN103442320B (en) | Loudspeaker | |
| JP5270646B2 (en) | Thermoacoustic device | |
| CN101600139B (en) | Sound producing device | |
| TWI401976B (en) | Speaker | |
| CN114302289A (en) | Sound box | |
| CN101610443B (en) | Audible device | |
| WO2017214770A1 (en) | Microphone | |
| KR20090113771A (en) | Sound Emitting Device | |
| CN101610444B (en) | Sounding device | |
| CN101610442B (en) | Sounding device | |
| CN216852223U (en) | All-round vocal injection formula audio amplifier structure | |
| CN114071317A (en) | Sound post capable of freely combining loudspeaker directions | |
| US11317181B2 (en) | Speaker box and electronic device | |
| CN217741856U (en) | Rectangular multifunctional household sound box | |
| CN210202067U (en) | Sound box with light effect | |
| CN219718421U (en) | High tone quality loudspeaker cavity | |
| CN214338083U (en) | Point sound source coaxial full-frequency sound box | |
| CN220325755U (en) | Sound box convenient to install | |
| CN101998214B (en) | Loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |