CN1992990A - Speaker - Google Patents

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Publication number
CN1992990A
CN1992990A CNA2006101085337A CN200610108533A CN1992990A CN 1992990 A CN1992990 A CN 1992990A CN A2006101085337 A CNA2006101085337 A CN A2006101085337A CN 200610108533 A CN200610108533 A CN 200610108533A CN 1992990 A CN1992990 A CN 1992990A
Authority
CN
China
Prior art keywords
loud speaker
shell
loudspeaker unit
supporting component
baffle plate
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.)
Granted
Application number
CNA2006101085337A
Other languages
Chinese (zh)
Other versions
CN1992990B (en
Inventor
安昌郁
崔廷圩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020060034220A external-priority patent/KR100745808B1/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN1992990A publication Critical patent/CN1992990A/en
Application granted granted Critical
Publication of CN1992990B publication Critical patent/CN1992990B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2803Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/025Transducer mountings or cabinet supports enabling variable orientation of transducer of cabinet

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

A speaker includes a housing; a support assembly installed on the lower end of the housing to support the housing; at least one first speaker unit installed in the housing to reproduce a sound signal; and a second speaker unit installed in the support assembly to reproduce a sound signal which belongs to a low sound band. Openings are defined through both sides of the support assembly to transmit to the outside sound reproduced by the second speaker unit. A guide cone is provided to the lower end of the support assembly to guide sound toward the openings. The speaker unit can be installed in a baffle which is supported at the opened front end of the housing to be rotated about a vertical axis. Through rotating the baffle, the speaker unit can be actually rotated within a predetermined range to change a sound transmission direction.

Description

Loud speaker
Technical field
The present invention relates to loud speaker, relate in particular to reproduced voiceband, and be configured to allow regulate the loud speaker of the angle of loudspeaker unit with broad.
Background technology
In recent years, because audio and video equipment is rapidly in distribution on global, except that the importance of display, the importance of loud speaker also becomes increasingly conspicuous, and also growing to the demand of loud speaker.Particularly, has the advantage of small size bookshelf type loud speaker and the loud speaker that can be installed in the narrower space just catches under the situation of not using independent loudspeaker support.
Fig. 1 is the stereogram that the structure of conventional loud speaker is shown.With reference to figure 1, loud speaker 1 has narrow and elongated in vertical direction box-shape shell 3.Shell 3 defines the outward appearance of loud speaker 1.Shell 3 can have multiple shape of cross section, such as circle, quadrangle or the like.
Bearing 5 is set at the lower end of shell 3, so that loud speaker 1 can stand stably on the pedestal.Bearing is fixed to the lower end of shell 3, and has the disk-shaped structure that has predetermined area.
Loudspeaker unit 7 is installed on the surface of shell 3, makes the front surface of loud speaker 7 expose outside.Loudspeaker unit 7 is used for receiving the signal of telecommunication from the audio frequency apparatus (not shown), and this electrical signal conversion is become audible signal.Loudspeaker unit 7 is general so that it partly is exposed on the surface of shell 3 or by the mode that grid covers installs.
The loud speaker 1 of Gou Zao routine has problem as described below as mentioned above.
In the loud speaker 1 of routine, loudspeaker unit 7 is installed on the regional area of shell 3, and this zone extends to the middle part from the upper end of shell 3.Therefore, loudspeaker unit 7 can only reproduce the voice signal that is in its oneself the reproduced voiceband.As a result, loud speaker 1 is not enough to reproduce same as before original sound, because loud speaker 1 can only reproduce the sound that belongs to the specific sound frequency band, can't provide abundant volume thus.
In addition, in the loud speaker 1 of routine, loudspeaker unit 7 is installed into the front surface that is fixed to shell 3.That is,, therefore when suitably direction transmits sound, certainly existing limitation because the direction of loudspeaker unit 7 is fixed.As a result, caused and to have moved the defective that whole loud speaker 1 changes the sound direction of transfer.
Summary of the invention
Therefore, carry out the present invention's the problems referred to above, and an object of the present invention is to allow by using a loud speaker to reproduce the voice signal that belongs to various voicebands to take place in the solution prior art.
Another object of the present invention is the space utilization efficient that improves when being installed in loudspeaker unit in the loud speaker.
Another object of the present invention is that the voice signal that will export from the loudspeaker unit that is arranged at speaker bottom is sent to the outside reliably.
Another purpose of the present invention provides a kind of voice signal that belongs to various voicebands, loud speaker that is miniaturized simultaneously of reproducing on its size.
A further object of the present invention is can freely regulate the angle of loudspeaker unit to allow the changing sound direction of transfer easily.
For reaching above purpose, according to an aspect of the present invention, provide a kind of loud speaker, comprise shell; Be installed in the supporting component of the lower end of shell with supporting housing; Be installed in the shell at least one first loudspeaker unit with reproduced sound signal; And be installed in the supporting component second loudspeaker unit that belongs to the voice signal of relatively low voiceband with reproduction.
In loud speaker according to the present invention, because loudspeaker unit is installed in the supporting component, can provide the loudspeaker unit of sufficient amount, therefore, can present high-quality sound.As a result, loud speaker of the present invention can present enough sound qualities when having same size.
According to a further aspect in the invention, first loudspeaker unit be installed into by shell front end face forward, and second loudspeaker unit is installed into the base plate of having placed supporting component on it.
According to a further aspect in the invention, first loudspeaker unit is installed in the baffle plate that rotatably is supported on outside the shell front end of opening.Therefore, because therefore the direction that can regulate loudspeaker unit by butterfly can change the sound direction of transfer as the user requiredly.
According to a further aspect in the invention, this supporting component comprises support frame, and it is connected to shell, and has the loop section of annular and extend with at its far-end support section connected to one another from the opposite end of this loop section; Unit housings, it is installed between the support section of support frame, and second loudspeaker unit has been installed therein, and limits with outside that makes supporting component and the inner opening that communicates with each other; Covering, it is attached to support section, to constitute the outward appearance of supporting component; And the guiding cone, it is installed in the lower end of support section to guide towards second loudspeaker unit from the sound of second loudspeaker unit output.
According to a further aspect in the invention, a base plate is fixed to the loop section of support frame, to constitute the lower surface of supporting component.
According to a further aspect in the invention, this guiding cone and base plate form integral body, and have the structure of truncated cone body.
According to a further aspect in the invention, first loudspeaker unit has planar structure, and reproduces the voice signal that belongs to middle voiceband.
According to a further aspect in the invention, a plurality of first loudspeaker units are installed in the middle part of shell, vertically to arrange.
According to a further aspect in the invention, this loud speaker also comprises the 3rd loudspeaker unit on the upper end that is installed in shell, belongs to the voice signal of high sound frequency band with reproduction.
According to a further aspect in the invention, shell has hexahedron structure, and wherein left side and right side width and are flat and elongated greater than front side and back side width in vertical direction.
According to a further aspect in the invention, this baffle plate can rotate around vertical axis, and the entire front end of opening of covering shell.
According to a further aspect in the invention, this baffle plate can rotate around horizontal axis, and the entire front end of opening of covering shell.
According to a further aspect in the invention, a panel is installed on the front surface of baffle plate, and has the grid cover in the position towards first loudspeaker unit.
According to a further aspect in the invention, this baffle plate has half cylindrical structure, and this structure has flat front surface.According to a further aspect in the invention, each side of baffle plate both sides all is to form corresponding to half arc of the left side of shell and right side width with radius of curvature.Herein, preferably open baffle plate the rear end so that baffle interior communicate with enclosure.
According to a further aspect in the invention, the lateral middle structure rotating dog of the front end on the higher and rear surface of baffle plate, and pin-and-hole is limited on the higher and low inner surface of shell corresponding to the position of rotating dog, makes rotating dog rotatably to be supported in pin-and-hole respectively.
According to a further aspect in the invention, shell is divided into a plurality of compartments by at least one partition wall, and a plurality of baffle plate is installed in these a plurality of compartments.At least one loudspeaker unit is installed in each baffle plate.
According to a further aspect in the invention, provide a kind of loud speaker, having comprised: shell; Be installed on the lower end of shell supporting component with supporting housing; Be installed in the shell at least one first loudspeaker unit with reproduced sound signal; And be installed in the supporting component second loudspeaker unit that belongs to the voice signal of relatively low voiceband with reproduction, wherein form opening by the supporting component both sides, will being sent to the outside, and a guiding cone is set to the lower end of supporting component so that sound is guided towards opening by the sound that second loudspeaker unit reproduces.
According to a further aspect in the invention, this supporting component comprises the support frame that forms by die casting, and it is coupled to shell, and has the loop section of annular and extend with at its far-end support section connected to one another from the opposite end of loop section; Unit housings, it is installed between the support section of support frame, and second loudspeaker unit wherein is installed, and with being used to that the inside and outside opening that communicates of supporting component is limited; Covering, it is attached to support section to constitute the outward appearance of supporting component; And base plate, it has constituted the lower surface of supporting component, and has the guiding cone that is used to guide from the sound of second loudspeaker unit output.
According to another aspect of the invention, each loudspeaker unit has planar structure, and reproduces the voice signal that belongs to middle voiceband, and a plurality of first loudspeaker unit is installed in the middle part of shell to arrange in vertical direction.According to a further aspect in the invention, this loud speaker also comprises the 3rd loudspeaker unit of the upper end that is installed in shell, belongs to the voice signal of high sound frequency band with reproduction.
In accordance with a further aspect of the present invention, provide a kind of loud speaker, be included in the shell of its front opening; Be installed in the supporting component of the lower end of shell with supporting housing; The baffle plate of the entire front end of opening of covering shell, this baffle plate are installed into around vertical axis and rotate; Be installed at least one loudspeaker unit in the baffle plate; And be installed at least one loudspeaker unit in the supporting component.
In the loud speaker with said structure according to the present invention,, therefore can provide to present the loud speaker that enriches volume owing to can reproduce the voice signal that belongs to various frequency bands.Equally, owing to can effectively utilize the inner space of loud speaker various loudspeaker units are installed, so this loud speaker can be by advantageously miniaturization.In addition, when using the dynamic planar loudspeakers unit, can under the situation that does not increase speaker size, reproduce the voice signal that belongs to wide voiceband, and can provide the clear sound that does not have noise to the user.In addition, in the present invention,, therefore can change the sound direction of transfer easily, and can eliminate the limitation of loud speaker about the installation site owing to can easily regulate the angle that is installed in the loudspeaker unit in the shell.
Description of drawings
When below reading in conjunction with the accompanying drawings, describing in detail, can more know above and other objects of the present invention, feature and advantage, in the accompanying drawing:
Fig. 1 is the stereogram that the structure of conventional loud speaker is shown;
Fig. 2 is the stereogram that illustrates according to the outward appearance of the loud speaker of the first embodiment of the present invention;
Fig. 3 is the exploded perspective view that illustrates according to the structure of the loud speaker of the first embodiment of the present invention;
Fig. 4 illustrates the stereogram of formation according to the structure of the supporting component of the loud speaker of the first embodiment of the present invention;
Fig. 5 illustrates the schematic cross sectional view of formation according to the structure of the supporting component of the loud speaker of the first embodiment of the present invention.
Fig. 6 is the exemplary isometric view that speaker housings according to a second embodiment of the present invention is shown.
Fig. 7 is the exploded perspective view that speaker housings according to a second embodiment of the present invention is shown; And
Fig. 8 is the profile that speaker housings according to a second embodiment of the present invention is shown.
Embodiment
Below, preferred embodiment of the present invention will be described with reference to the accompanying drawings.In the following description and drawings, use identical reference number to indicate same or analogous part.
Fig. 2 is the stereogram that illustrates according to the outward appearance of the loud speaker of the first embodiment of the present invention, Fig. 3 is the exploded perspective view that illustrates according to the structure of the loud speaker of the first embodiment of the present invention, Fig. 4 illustrates the stereogram of formation according to the structure of the supporting component of the loud speaker of the first embodiment of the present invention, and Fig. 5 illustrates the schematic cross section of formation according to the structure of the supporting component of the loud speaker of the first embodiment of the present invention.
With reference to the accompanying drawings, the loud speaker according to the first embodiment of the present invention comprises shell 20 and the supporting component 22 that constitutes the outward appearance of loud speaker.In this respect, be that shell 20 has the structure that at least one loud speaker can be installed on it fully.In an illustrated embodiment, shell 20 has hexahedron structure, and wherein the front side is relative to back side width left side and right side width, and is flat and elongated in vertical direction.In addition, be fully supporting component 22 have can supporting housing 20 with respect to base plate structure.In an illustrated embodiment, supporting component 22 is configured to have the structure of cone-shaped basically.
A plurality of loudspeaker units are installed on the front surface of shell 20.Preferably, this a plurality of loudspeaker units are installed, are made them can reproduce the voice signal that belongs to the alternative sounds frequency band.In an illustrated embodiment, the first and the 3rd loudspeaker unit 24 and 28 is installed on the front surface of shell 20.First loudspeaker unit 24 is installed on the front surface of shell 20 and extends to the lower end from the upper end of shell 20.First loudspeaker unit 24 is mainly used in and reproduces the voice signal that belongs to middle voiceband.First loudspeaker unit comprises so-called dynamic planar loudspeakers, and it has flat outward appearance.A plurality of first loudspeaker units 24 can be installed in the shell 20.
The 3rd loudspeaker unit 28 is installed in the upper end of shell 20.The 3rd loudspeaker unit 28 is mainly used in and reproduces the voice signal that belongs to the high sound frequency band.For this reason, the 3rd loudspeaker unit 28 comprises so-called loudspeaker.
Be configured to like that have under the situation of flat hexahedron structure in shell 20 as directed embodiment, the first and the 3rd loudspeaker unit 24 and 28 has flat basically outward appearance, so that they can suitably be contained in the shell 20.This is for the structure that meets shell 20 and makes the compact in size of whole loud speaker.
Simultaneously, second loudspeaker unit 26 is installed in the supporting component 22.Second loudspeaker unit 26 is mainly used in and reproduces the voice signal that belongs to low voiceband.For this reason, second loudspeaker unit 26 comprises so-called bass horn.In an illustrated embodiment, second loudspeaker unit 26 is installed in the supporting component 22 with towards base plate.
Below, will the detailed structure of the supporting component 22 that second loudspeaker unit 26 wherein has been installed be described.Supporting component 22 comprises support frame 30.The upper end of support frame 30 is locked into the lower end of shell 20 by screw etc.Support frame 20 is made by metal material, preferably makes by die-casting process.
In the lower end of support frame 30, be provided with loop section 32 with loop configuration.Loop section 32 has formed the following framework of supporting component 22.Be provided with a pair of support section 34 to extend upward from loop section 32.Support section 34 extends upward from the opposite end of loop section 32.The upper end of support section 34 is connected to each other.In an illustrated embodiment, support section 34 is configured to have the structure of rectangular-plate-shaped in fact, so that they can be connected to each other in the top.Between support section 34, define the space of opening.Middle part by each support section 34 defines anti-tampering part 36.Anti-tampering part 36 forms and prevents that support section 34 from being disturbed by unit housing 50, as described below.
Wire grooves 38 is limited on the surface of each support section 34, can fit into wire grooves 38 to be used in the lead (not shown) that transmits the signal of telecommunication.Form projection 40 on the surface of support section 34, they are towards base plate, to extend to base plate.Protrude part 40 and be configured to allow unit housings 50 is locked onto support section 34, as will be described below.
Loop section 32 is formed with a plurality of holes, and by these holes, loop section 32 is locked into base plate 60, as described below.Locking piece 44 by the synthetic resin manufacturing is coupled in the hole 42.Each of locking piece 44 is formed with internal thread.
Unit housings 50 is constructed by the injection molding of synthetic resin.Unit housings 50 has the structure that can be inserted into support frame 30.That is, unit housings 50 has the structure of the inner surface of the support section 34 that meets support frame 30.In the unit housings 50 not the part towards support section 34 can be freely formed.Part towards base plate in the unit housings 50 is opened wide.Because unit housings 50 is towards the direction of leaving base plate, so the cross section of unit housings 50 reduces gradually.Unit housings 50 can be locked into support frame 30 by screw, maybe can use architectural feature to be connected to support frame 30.
Relative part corresponding to support section 34 in the unit housings 50 is configured to have the length longer than other parts, has formed the shank that extends thus and has divided 52.Can make the shank of extension divide 52 far-end to contact, as will be described below with base plate 60.The shank that is not formed with extension in the unit housings 50 divides the lower end of 52 other parts to form hole 53.Reference number 54 expressions are coupled to the projection in each anti-tampering part 36.
Spacer ring 56 is installed is positioned in the unit housings 50, and be used for the inner surface of filler cells housing 50 and the annular gap between second loudspeaker unit 26.Second loudspeaker unit 26 is together with the inner surface that spacer ring 56 is installed to unit housings 50 is installed.At this moment, second loudspeaker unit 26 is installed into the lower surface of opening wide by unit housings 50 to base plate.
Base plate 60 has constituted the lower surface of supporting component 22.Base plate 60 is configured to have the structure of dish type basically.Base plate 60 is locked and be fastened to the loop section 32 of support frame 30.Sidewall 61 with predetermined altitude is integrally formed on the edge of base plate 60, with the circumferential edge around loop section 32.
As illustrating best among Fig. 5, form guiding cone 62 in the central part office of base plate 60 upper surfaces with to upper process.Guiding cone 62 has the truncated cone body structure.The sidewall of guiding cone 62 tilts towards the circumferential edge of base plate 60.The sidewall of the cone that preferably leads 62 tilts with streamlined when observing from the side.The sound guidance that guiding cone 62 is used for exporting from second loudspeaker unit 26 is to opening 53.The hole that loud speaker is electrically connected to outside connector has wherein been placed in reference number 64 expressions.
Be provided with covering 66 with a support section 34 that covers support frame 30 respectively and a part that constitutes the outward appearance of supporting component 22.Covering 66 only covers the occupied space segment of support section 34, and assigns to expose unit housings 50 by all the other spatial portions that the cover piece 66 that is not covered covers.As a result, the outward appearance of supporting component 22 is made of base plate 60, covering 66 and unit housings 50.The inside and outside of supporting component 22 communicates with each other by opening 53.
In this embodiment, can understand easily, the loudspeaker unit 24 and 28 that second loudspeaker unit 26 is installed in the supporting component 22, be installed in the shell 20 can be revised by variety of way, and an one exemplary embodiments will be described below.
Hereinafter, the operation according to the loud speaker of the first embodiment of the present invention of structure as mentioned above will be described in detail.
At first, in the present embodiment, second loudspeaker unit 26 is installed in process in the supporting component 22 with describing.
Second loudspeaker unit 26 is installed in the unit housings 50 together with spacer ring 56 is installed.The unit housings 50 that second loudspeaker unit 26 wherein has been installed is inserted between the support section 34 by the loop section 32 of support frame 30.At this moment, in an illustrated embodiment, unit housings 50 is secured to support frame 30 by screw.Yet, can conceive unit housings 50 and can use architectural feature to be coupled in the support frame 30 with snap-button.
Then, base plate 60 is fixed to the loop section 32 of support frame 30, and covering 66 is installed to cover the support section 34 of support frame 30.Covering 66 can be locked into support frame 30 and base plate 60 by screw, perhaps can use architectural feature to be coupled in support frame 30 and the base plate 60 with snap-button.
The loud speaker according to the present invention that is provided with supporting component 22 as mentioned above is to construct in the mode of reproducing the voice signal that belongs to the low voiceband of neutralization at least separately.In this case, use first and second loudspeaker units 24 and 26, and do not use the 3rd loudspeaker unit 28.Equally, the 3rd loudspeaker unit 28 can be installed in addition and belong to voice signal high, the low voiceband of neutralization to allow loud speaker to reproduce separately.
In loud speaker according to this embodiment of the invention, second loudspeaker unit 26 is installed in the supporting component 22 and belongs to the voice signal of low voiceband and the sound that is reproduced is provided with reproduction.Send out from supporting component 22 from the sound of second loudspeaker unit 26 output opening 53 by unit housings 50.
From being installed into the surface guiding towards the part of the sound of second loudspeaker unit 26 output of base plate 60 along guiding cone 62, by the opening 53 of unit housings 50, promptly the path that limits between unit housings 50 and the base plate 60 is discharged into the outside then.
Therefore, although second loudspeaker unit 26 is installed into towards base plate, the sound that is reproduced not is to discharge to base plate, but discharge to the side direction of loud speaker.
In the above-described embodiments, can not will base plate 60 be set to supporting component 22, but preferably be provided with the guiding cone 62.Can imagine the guiding cone 62 directly be installed to loop section 32 and need not to use base plate 60.
Then, will to 8 the second embodiment of the present invention be described with reference to figure 6.Second embodiment of the present invention pin has wherein been installed a plurality of loudspeaker units to a kind of like this shell, and is configured to allow to regulate the direction that is installed in the loudspeaker unit in the shell.In this embodiment, supporting component is constructed in the same manner as in the first embodiment.Thus, be installed in shell the lower end supporting component and be installed in second loudspeaker unit in the supporting component not shown in Fig. 6 to 8.
Fig. 6 is the exemplary isometric view that speaker housings according to a second embodiment of the present invention is shown, Fig. 7 is the exploded perspective view that loudspeaker housing according to a second embodiment of the present invention is shown, and Fig. 8 is the profile that speaker housings according to a second embodiment of the present invention is shown.
With reference to the accompanying drawings, comprise shell 100 with a plurality of loudspeaker units 140 according to the loud speaker of this embodiment, and the supporting component (not shown) with an independent loudspeaker unit.Shell 100 is configured to have the socket-shaped structure of predetermined length, makes a plurality of loudspeaker units 140 can be installed in the shell 100.
Shell 100 front ends open wide.The open front end of shell 100 is covered by baffle plate 150, and loudspeaker unit 140 is installed on the baffle plate 150.Loudspeaker unit 140 is installed by the installing hole 152 that limits in the baffle plate 150.Each baffle plate 150 be installed into it can be in predetermined angular range around an axis left with to right rotation.Since loudspeaker unit 140 be installed into baffle plate 150 be media left with dextrorotary this fact, can need not mobile whole loud speaker and change the sound direction of transfer easily.
In an illustrated embodiment, supporting baffle 150 is so that they can be around vertical axis left with to right rotation.For example, the lateral middle position of the front end on the higher and rear surface of baffle plate 50 forms rotating dog 154, and the position corresponding to rotating dog 154 on the higher of shell 100 and low inner surface forms pin-and-hole 114, so that rotating dog 154 can rotatably support in pin-and-hole 114 respectively.Because rotating dog 154 is inserted into and rotatably is supported in the pin-and-hole 114, so baffle plate is rotatably supported at the front end place of shell 100.
Baffle plate 150 so that they fully the mode of the entire front end of covering shell 100 install, when the front end from shell 100 did not rotate them, front end was opened.In an illustrated embodiment, a pair of loudspeaker unit 140 has been installed in each baffle plate 150.
Baffle plate 150 can have any structure, if loudspeaker unit 140 can be installed to baffle plate 150 and baffle plate 150 can be at the front end of shell 100 left with to right rotation.In an illustrated embodiment, when from top view, each side of the both sides of baffle plate 150 all is configured to have the arc around the radius of curvature of rotating dog 154 measurements, and baffle plate 150 has semi-cylindrical structure basically thus., baffle plate 150 is being constructed with under the situation of half cylindrical structure, the diameter of baffle plate 150 is corresponding to the left side of the front end of opening of shell 100 and half of right side width herein.In addition, each side in the both sides of baffle plate 150 all is configured under the situation of arc, and the radius of curvature of this arc is corresponding to the left side of the front end of shell 100 and half of right side width.Each side that is configured to have the both sides of half cylindrical structure or baffle plate 150 at baffle plate 150 is configured under the situation of arc, and preferably the rear end of baffle plate 150 is opened wide, so that the inside of baffle plate 150 communicates with the inside of shell 100.
Each side of both sides by constructing baffle plate 150 with arc, when baffle plate 150 during left with to right rotation, baffle plate 150 does not disturb with the both sides of shell 100, and can prevent to form the gap between the both sides of shell 100 and baffle plate 150.
In an illustrated embodiment, directly expose, a panel 120 is installed to the front end of baffle plate 150 at 100 front end of shell for preventing loudspeaker unit 140.Panel 120 has sound passage hole 122, and it is formed on the position part that corresponds respectively to loudspeaker unit 140, and in each sound passage hole 122 a grid cover 130 is installed removably.
In an illustrated embodiment, shell 100 is divided into two upper and lower compartments by partition wall 112, at the front end of shell 100 a pair of baffle plate 150 is installed rotatably, and in each baffle plate 150 a pair of loud speaker 140 is installed.As a result, as can from Fig. 6, easily seeing, each baffle plate 150 can be independently left with to right rotation.
In the present invention, baffle plate 150 is installed so that it in fact can be left and to right rotation.With shown in embodiment different, the front end that can be envisaged in shell 100 is installed a baffle plate, and in a baffle plate a plurality of loudspeaker units is installed.Also may shell 100 be divided into a plurality of (for example, four) compartment, a plurality of baffle plates are installed respectively in each compartment, and in each baffle plate, a loudspeaker unit is installed by partition wall.When baffle plate 150 is configured to be arranged above and below in an illustrated embodiment, can easily understand, the invention is not restricted to this arrangement of baffle plate 150.Therefore, can imagine baffle plate 150 be formed on level or the vertical direction about or be arranged side by side.Under any circumstance, in this embodiment, be noted that and support the baffle plate 150 that is used for support speaker unit 140 with respect to shell 100 rotations.
In addition, although supporting baffle 150 is with left with to right rotation in an illustrated embodiment, can constructs baffle plate 150 and it is supported for to rotate up at upper and lower.
In another embodiment, baffle plate 150 can be rotatably installed in the part of shell 100.In this case, a loudspeaker unit can be installed in the baffle plate 150 that is rotatably supported, and another loudspeaker unit can be fixedly mounted in the shell 100 and do not install on the remainder of baffle plate 150 on it.
In this embodiment that constructs as mentioned above,, can regulate the direction of a plurality of loudspeaker units 140 as required as can from Fig. 6 and 7, easily seeing.That is, in this embodiment, by rotating each baffle plate 150 around the rotating dog 154 that is inserted in the pin-and-hole 114, scalable is installed in the direction of the loudspeaker unit 140 in the baffle plate 150.Therefore, need not mobile whole casing 100, just can on the direction of expectation, transmit sound thus by handling the direction that baffle plate 150 is regulated loudspeaker unit 140.
In an illustrated embodiment, supporting the baffle plate 150 with loudspeaker unit rotates to center on vertical axis.Yet, required as situation, baffle plate 150 can be mounted to around horizontal axis and rotate.
As can be from the above description clearly, loud speaker according to the present invention provides advantage as described below.
At first, in the present invention, at least two loud speakers that comprise second loudspeaker unit that can reproduce low voiceband have been used.Therefore, owing to can use a loud speaker to reproduce various voicebands, can improve from the quality of the sound of loud speaker output.Equally, because second loudspeaker unit is installed in this fact in the supporting component, can under the situation that does not change the speaker housings size, obtain the high sound quality.
In addition, in the present invention, shell has flat hexahedron structure, and a dynamic planar loudspeakers unit is installed in the shell, and the loudspeaker unit that is used for reproducing low voiceband is installed in supporting component.Therefore, the loudspeaker unit that increases quantity can be installed under the situation that does not increase speaker size, and can effectively utilize the inner space of loud speaker.
In addition, in the present invention, the sound of loudspeaker unit output that reproduces low-frequency band sound from be installed in supporting component is directly towards base plate, but guided to be discharged into the outside by side direction.Therefore, low-frequency band sound is not sent to base plate not producing noise, but is sent to the user reliably.
In addition, in the present invention, be installed in first in the shell and the 3rd loudspeaker unit comprises the dynamic planar loudspeakers unit.Thus, Shell structure can be become have flat and elongated hexahedron structure, the whole loud speaker of Miniaturizable thus.
In addition, in the present invention, can change the direction that is installed in a plurality of loudspeaker units in the shell.As a result, can be by regulating the angle of loudspeaker unit, under the situation of mobile speaker housings not, change the sound direction of transfer.
Although for illustrative purpose has been described preferred embodiment of the present invention, but it will be appreciated by those skilled in the art that, under the situation that does not break away from disclosed scope and spirit of the present invention in the appended claims, various modifications, interpolation and to substitute all be possible.

Claims (23)

1. loud speaker comprises:
Shell;
The lower end that is installed in described shell is to support the supporting component of described shell;
Be installed at least one first loudspeaker unit that comes reproduced sound signal in the described shell; And
Be installed in the described supporting component second loudspeaker unit that belongs to the voice signal of relatively low voiceband with reproduction.
2. loud speaker as claimed in claim 1 is characterized in that, described first loudspeaker unit be installed into by described shell front end face forwards, and described second loudspeaker unit is installed into the base plate of having placed described supporting component on it.
3. loud speaker as claimed in claim 1 is characterized in that, described first loudspeaker unit is installed in the baffle plate, and described baffle plate rotatably is supported on the open front end place of described shell.
4. loud speaker as claimed in claim 2 is characterized in that, described supporting component comprises:
Support frame, described support frame is connected to described shell, and has the loop section of annular and extend from the opposite end of described loop section with at its far-end support section connected to one another;
Unit housings, described unit housings are installed between the support section of described support frame, and described second loudspeaker unit wherein has been installed, and are formed with the inside and outside opening that communicates with each other that is used to make described supporting component;
Covering, described covering are attached to described support section to constitute the outward appearance of described support section; And
The guiding cone, described guiding cone is installed on the lower end of described support section, to guide towards described second loudspeaker unit from the sound of described second loudspeaker unit output.
5. loud speaker as claimed in claim 4 is characterized in that a base plate is fixed to the loop section of described support frame, to constitute the lower surface of described supporting component.
6. loud speaker as claimed in claim 5 is characterized in that, described guiding cone and described base plate form integral body, and has the truncated cone body structure.
7. loud speaker as claimed in claim 6 is characterized in that, described first loudspeaker unit has planar structure, and reproduces the sound that belongs to middle voiceband.
8. loud speaker as claimed in claim 7 is characterized in that, a plurality of first loudspeaker units are installed on the middle part of described shell to arrange in vertical direction.
9. loud speaker as claimed in claim 1 is characterized in that, also comprises:
The upper end that is installed in described shell belongs to the 3rd loudspeaker unit of the voice signal of high sound frequency band with reproduction.
10. loud speaker as claimed in claim 9 is characterized in that described shell has hexahedron structure, and wherein left side and right side width and are flat and elongated greater than front side and back side width in vertical direction.
11. loud speaker as claimed in claim 3 is characterized in that, described baffle plate can rotate around a vertical axis, and covers the entire front end of opening wide of described shell.
12. loud speaker as claimed in claim 3 is characterized in that, described baffle plate can rotate around a horizontal axis, and covers the entire front end of opening wide of described shell.
13. loud speaker as claimed in claim 11 is characterized in that, a panel is installed on the front surface of described baffle plate, and has the grid cover in the position towards described first loudspeaker unit.
14. loud speaker as claimed in claim 11 is characterized in that, described baffle plate has half cylindrical structure, and this structure has flat front surface.
15. loud speaker as claimed in claim 11 is characterized in that, each side of the both sides of described baffle plate is configured to arc, and its radius of curvature is corresponding to the left side of described shell and half of right side width.
16. loud speaker as claimed in claim 15, it is characterized in that, described rotating dog is formed on the horizontal centre of front end of the higher and lower end of described baffle plate, and pin-and-hole is formed on the higher of described shell and the low inner surface position corresponding to described rotating dog, so that described rotating dog can rotatably be supported in the described pin-and-hole respectively.
17. loud speaker as claimed in claim 3 is characterized in that, described shell is divided into a plurality of compartments by at least one partition wall, and in described a plurality of compartments a plurality of baffle plates is installed.
18. as claim 14 or 15 described loud speakers, it is characterized in that the rear end of described baffle plate is opened wide, so that the inside of the inside of described baffle plate and described shell communicates.
19. a loud speaker comprises:
Shell;
The lower end that is installed in described shell is to support the supporting component of described shell;
Be installed in the described shell at least one first loud speaker with reproduced sound signal; And
Be installed in the described supporting component second loud speaker that belongs to the voice signal of relatively low voiceband with reproduction,
Wherein, the both sides by described supporting component form opening will being sent to the outside by the sound that described second loudspeaker unit reproduces, and the lower end that a guiding cone is set to described supporting component with sound guidance to described opening.
20. loud speaker as claimed in claim 19 is characterized in that, described supporting component comprises:
By the support frame that die casting forms, described support frame is connected to described shell, and has the loop section of annular and extend from the opposite end of described loop section with at its far-end support section connected to one another;
Unit housings, described unit housings are installed between the support section of described support frame, and described second loudspeaker unit wherein is installed, and are formed with outside and the inner opening that communicates that is used to make described supporting component;
Covering, described covering are attached to described support section to constitute the outward appearance of described supporting component; And
Base plate, described base plate constitute the lower surface of described supporting component and have the guiding cone that is used to guide from the sound of described second loudspeaker unit output.
21. as claim 19 or 20 described loud speakers, it is characterized in that, each first loudspeaker unit has planar structure, and reproduces the voice signal that belongs to middle voiceband, and a plurality of first loudspeaker unit is installed in the middle part of described shell to arrange in vertical direction.
22. loud speaker as claimed in claim 21 is characterized in that, also comprises:
Be installed in the 3rd loudspeaker unit that belongs to the voice signal of high sound frequency band on the upper end of described shell with reproduction.
23. a loud speaker comprises:
At the unlimited shell of its front end;
Be installed on the lower end of described shell to support the supporting component of described shell;
Cover the entire front end of opening wide of described shell and be installed into the baffle plate that rotates around a vertical axis;
Be installed at least one loudspeaker unit in the described baffle plate; And
Be installed at least one loudspeaker unit in the described supporting component.
CN2006101085337A 2005-12-28 2006-07-24 Speaker Expired - Fee Related CN1992990B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR1020050131155 2005-12-28
KR1020050131155A KR100693684B1 (en) 2005-12-28 2005-12-28 Tall boy type of speaker
KR10-2005-0131155 2005-12-28
KR1020060034220 2006-04-14
KR10-2006-0034220 2006-04-14
KR1020060034220A KR100745808B1 (en) 2006-04-14 2006-04-14 Stand type speaker

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CN1992990A true CN1992990A (en) 2007-07-04
CN1992990B CN1992990B (en) 2011-08-17

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CN106131758A (en) * 2016-07-25 2016-11-16 广东欧珀移动通信有限公司 A kind of loudspeaker assembly and audio amplifier
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CN101674511A (en) * 2008-09-08 2010-03-17 三星电子株式会社 Directional sound generating apparatus and directional speaker array including the same
CN101674511B (en) * 2008-09-08 2015-01-21 三星电子株式会社 Directional sound generating apparatus and directional speaker array including the same
US9008335B2 (en) 2008-09-08 2015-04-14 Samsung Electronics Co., Ltd. Directional sound generating apparatus and directional speaker array including the same
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CN102918869B (en) * 2010-04-27 2014-07-02 三菱电机株式会社 Speaker apparatus
CN102098610A (en) * 2011-03-11 2011-06-15 湖南继善高科技有限公司 Loudspeaker unit, loudspeaking device and orientated sound wave bird driving device
CN106131758A (en) * 2016-07-25 2016-11-16 广东欧珀移动通信有限公司 A kind of loudspeaker assembly and audio amplifier
CN110460935A (en) * 2019-09-19 2019-11-15 深圳东原电子有限公司 A kind of hidden phase-reversing tube bar speaker structure
CN113810834A (en) * 2021-10-27 2021-12-17 安徽井利电子有限公司 Adjustable loudspeaker with sound equipment arranged in belt type and debugging method thereof
CN113810834B (en) * 2021-10-27 2023-05-12 安徽井利电子有限公司 Adjustable loudspeaker with belt-type arrangement inside sound equipment and debugging method thereof

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