CN104661159A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN104661159A CN104661159A CN201310579734.5A CN201310579734A CN104661159A CN 104661159 A CN104661159 A CN 104661159A CN 201310579734 A CN201310579734 A CN 201310579734A CN 104661159 A CN104661159 A CN 104661159A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- loud speaker
- pedestal
- connector
- electromagnet
- 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
Links
Abstract
The invention discloses a loudspeaker. The loudspeaker comprises a circuit board, a pedestal fixed at the back side of the circuit board, a locating device slidably arranged between the circuit board and the pedestal, an acoustic emission part arranged at the front side of the circuit board, a connecting piece connected between the pedestal and the acoustic emission part, a sound wave generation device and a control module, wherein the acoustic emission part comprises a sound wave reflection plate and a plurality of magnetic leader films arranged at the periphery of the sound wave reflection plate, a plurality of first electromagnets directly facing to the magnetic leader films are arranged at the front lateral surface of the circuit board, the locating device comprises a locating frame, the connecting piece comprises a movable part movably connected to the pedestal, a second electromagnet capable of driving the locating frame to slide is arranged at the back lateral surface of the circuit board, and the sound wave generation device comprises a sound source component arranged at a certain distance from the sound wave reflection plate.
Description
Technical field
The present invention relates to a kind of loud speaker.
Background technology
Loud speaker is the energy transducer for the signal of telecommunication being changed into acoustical signal, and it is made up of permanent magnet, voice coil loudspeaker voice coil, vibrating diaphragm and frame.Described permanent magnet is used for providing magnetic field, when passing to electric current in voice coil loudspeaker voice coil, voice coil loudspeaker voice coil will be subject to the effect of power in magnetic field, change because of electric current power produces the vibrations of different frequency, and then drive the vibrating diaphragm covered in frame to send different frequency and strong and weak sound, just define the sound that can be humanly perceptible when these motions reach certain frequency.
The frame of traditional loud speaker is inner concavity, the sound wave that loud speaker produces is that the mode spread is launched, during distant between viewer and loud speaker, due to the interference of noise in the decay of intensity of acoustic wave and space, make to be positioned at the sound effect cannot experiencing the sound wave that loud speaker is launched compared with the viewer of distant positions accurately, for this reason, usually regulate the frame of this loud speaker in a manual fashion, make this frame just to viewer, but this kind of regulative mode inconvenient operation.
Summary of the invention
In view of this, be necessary to provide a kind of easy to operate loud speaker.
A kind of loud speaker, it comprises a circuit board, one is fixed on the pedestal on rear side of this circuit board, one is located at the positioner between this circuit board and this pedestal slidably, one is located at the acoustic emission part on front side of this circuit board, be connected to the connector between this pedestal and this acoustic emission part, one sound wave generating device and a control module, this acoustic emission part comprises an acoustic reflection sheet and is located at some Magnetic force tracting sheets of this acoustic reflection sheet surrounding, the leading flank of this circuit board is provided with some just to the first electromagnet of Magnetic force tracting sheet, this positioner comprises a locating rack, this connector comprises one and is movably connected in the movable part of this pedestal, the trailing flank of this circuit board is provided with second electromagnet that this locating rack can be driven to slide, this sound wave generating device comprises a source of sound assembly kept at a certain distance away with acoustic reflection sheet, this control module controls the second electromagnet energising or power-off, this locating rack is made to depart from or hold this movable part, this control module controls the first electromagnet energising or power-off, drive the Magnetic force tracting sheet of this acoustic reflection part that this acoustic reflection sheet is moved.
Compare prior art, loud speaker provided by the invention controls the Magnetic force tracting sheet of this acoustic reflection part of the first solenoid actuated by this control module, this acoustic reflection sheet is moved, with this loud speaker of handled easily.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the better embodiment of loud speaker of the present invention.
Fig. 2 is the view at another visual angle of Fig. 1.
Fig. 3 is the three-dimensional assembly diagram of Fig. 1.
Fig. 4 is the cutaway view along IV-IV line in Fig. 3.
Fig. 5-Fig. 6 is the use procedure schematic diagram of loud speaker of the present invention.
Fig. 7 is the using state figure of loud speaker of the present invention.
Main element symbol description
Loud speaker 100
Viewer 300
Sound wave generating device 10
Fixed mount 12
Source of sound assembly 15
Mounting blocks 121
Grab 123
Clamping hole 125
Acoustic reflection part 20
Acoustic reflection sheet 22
Reflecting surface 221
Through hole 225
Magnetic force tracting sheet 25
Extension 251
Tractive unit 253
Circuit board 30
Accepting hole 31
First electromagnet 33
Fixing hole 35
Second electromagnet 36
Connector 40
Movable part 41
Fixed Division 43
Connecting rod 45
Screw 46
Positioner 50
Locating rack 51
Elastic component 53
Locating ring 55
Framework 512
Connecting plate 513
Magnetic contact pin 515
Installation sheet 516
Location division 517
Through hole 518
Extension 5131
Guide sliding part 5132
Slide guide hole 5133
Holding division 552
Holding section 553
Pedestal 60
Substrate 61
Guide pillar 63
Fastening ring 65
Rotating hole 612
Fix post 632
Monitoring module 70
Control module 80
Screw 90
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
As shown in Figures 1 and 2, the better embodiment of loud speaker 100 of the present invention is used for viewer 300(as shown in Figure 7) remote directional propagation sound.This loud speaker 100 comprises sound wave generating device 10, acoustic reflection part 20, circuit board 30, a connection piece 40, positioner 50, pedestal 60, monitoring module 70, control module 80 and a screw 90.
This sound wave generating device 10 comprises fixed mount 12 and a source of sound assembly 15.This fixed mount 12 comprises a mounting blocks 121 and from outward extending three grabs 123 of the periphery of this mounting blocks 121.The trailing flank of this mounting blocks 121 offers one for accommodating the clamping hole 125 of this source of sound assembly 15.
This acoustic reflection part 20 comprises an acoustic reflection sheet 22 and four Magnetic force tracting sheets 25 extended back from the periphery of this acoustic reflection sheet 22.This acoustic reflection sheet 22 is in spherical crown shape, and inside is provided with acoustic resistance structure; In present embodiment, this acoustic reflection sheet 22 inside is vacuum.This acoustic reflection sheet 22 comprises a reflecting surface 221, and the area of this reflecting surface 221 is greater than the external surface area of described source of sound assembly 15.A through hole 225 is offered at the middle part of this acoustic reflection sheet 22.Each Magnetic force tracting sheet 25 comprises an extension 251 extended back from this acoustic reflection sheet 22 and the tractive unit 253 extended internally from the end of this extension 251.
An accepting hole 31 offered by this circuit board 30, and the leading flank of this circuit board 30 establishes four the first electromagnet 33 equably in the surrounding of this accepting hole 31.This circuit board 30 offers a fixing hole 35 between two first often adjacent electromagnet 33.The trailing flank of this circuit board 30 is provided with one second annular electromagnet 36 in the surrounding of this accepting hole 31.
This connector 40 comprises spherical movable part 41, Fixed Division 43 and and is connected to connecting rod 45 between this movable part 41 and this Fixed Division 43.A screw 46 is offered at the middle part of this Fixed Division 43.
This positioner 50 comprises a locating rack 51, four elastic components 53 and a locating ring 55.This locating rack 51 comprises the connecting plate 513 that the framework 512 of an annular and four edges on front side of this framework 512 extend back.The magnetic contact pin 515 that this framework 512 comprises an annular and the installation sheet 516 extended back from the surrounding of this magnetic contact pin 515.In present embodiment, this magnetic contact pin 515 by magnetic material, as iron is made.The rear end of this installation sheet 516 is provided with one for installing the location division 517 of this locating ring 55.A through hole 518 is offered at the middle part of this framework 512.Every a plate 513 is generally L-shaped, and it comprises an extension extended back from this magnetic contact pin 515 5131 and from the outside vertically extending guide sliding part 5132 of the end of this extension 5131.Each guide sliding part 5132 offers a slide guide hole 5133.In present embodiment, each elastic component 53 is a spring.This locating ring 55 is by soft material, and as rubber etc. is made, this locating ring 55 comprises the holding section 553 that a holding division 552 and being positioned at this locating ring 55 outer rim is positioned at this locating ring 55 inner edge.
Four guide pillar 63 and the fastening rings 65 that this pedestal 60 comprises a substrate be square 61, extends forward from the corner of this substrate 61.On front side of this substrate 61, a rotating hole 612 is offered at middle part.The tip forward of each guide pillar 63 extends one and fixes post 632.
On the periphery of this monitoring module 70 acoustic reflection sheet 22 located therein.This monitoring module 70 towards with reflecting surface 221 towards identical.In present embodiment, described monitoring module 70 is camera assembly, and it is for monitoring the viewer 300 in its angular field of view.Be appreciated that described monitoring module 70 also can for infrared ray, magnetic induction etc. other can the device of the concrete position of perception viewer 300.Described monitoring module 70 also can be installed in the position that other is beneficial to monitoring.
This control module 80 is located on this circuit board 30, and this control module 80 is electrically connected at this monitoring module 70, first electromagnet 33 and the second electromagnet 36.
See also Fig. 3 and Fig. 4, during assembling, the holding division 552 of this locating ring 55 is fastened in the location division 517 of this locating rack 51.Be contained in movably in the rotating hole 612 of this pedestal 60 by the movable part 41 of this connector 40, and be fastened in by fastening ring 65 in this rotating hole 612, this fastening ring 65 supports this movable part 41 and departs from this rotating hole 612 to prevent this movable part 41.The guide pillar 63 of this pedestal 60 is inserted the slide guide hole 5133 of connecting plate 513 from the rear side of this locating rack 51, and make this connector 40 through the through hole 518 of this locating rack 51.Four elastic components 53 are sheathed on four guide pillars 63.The fixing post 632 of the guide pillar 63 of this pedestal 60 is snapped in the fixing hole 35 of this circuit board 30 from the rear side of this circuit board 30.Now, elastic component 53 resilient clamp supports between this locating rack 51 and this circuit board 30 in this, and the guide sliding part 5132 that this elastic component 53 supports this locating rack 51 makes this locating rack 51 slide backward, holding section 553 to this locating ring 55 is fastened in the movable part 41 of this connector 40, stops this connector 40 movable.The rear surface of this acoustic reflection part 20 is close to the Fixed Division 43 of this connector 40, and makes the through hole 225 of this acoustic reflection part 20 just to the screw 46 of this Fixed Division 43.Screw 90, through the through hole 225 of this acoustic reflection part 20, is fixed in the screw 46 of this connector 40.This source of sound assembly 15 is installed in the clamping hole 125 of this fixed mount 12.The grab 123 of fixed mount 12 is fastened on this acoustic reflection part 20 periphery, makes this source of sound assembly 15 just to the reflecting surface 221 of this acoustic reflection sheet 22.
Refer to Fig. 5 to Fig. 7, during use, this control module 80 controls this second electromagnet 36 and is energized, the magnetic contact pin 515 of this locating rack 51 is slided towards this circuit board 30 by adsorbing, making holding of the movable part 41 of the disengaging of the holding section 553 of this locating ring 55 and this connector 40, there is strain in this elastic component 53.Now, this connector 40 is movable.This control module 80 receives the image information that monitoring module 70 gathers, and carries out human face analysis to this image information, to determine the position of the face of viewer 300 in whole image.Then, described control module 80 calculates the position of face in image and the deflection angle at image geometry center and yawing moment.This control module 80 controls the first electromagnet 33 and is energized or power-off, the first electromagnet 33 is adsorbed or supports corresponding tractive unit 253 and acoustic reflection sheet 22 is slided, to the reflecting surface 221 of this acoustic reflection sheet 22 just to viewer 300.This control module 80 controls this second electromagnet 36 power-off, and this second electromagnet 36 loses magnetic force.This elastic component 53 recovers deformation and supports this locating rack 51 reset and make the holding section 553 of this locating ring 55 be fastened in the movable part 41 of this connector 40, to locate this acoustic reflection sheet 22.
Claims (10)
1. a loud speaker, it comprises a circuit board, one is fixed on the pedestal on rear side of this circuit board, one is located at the positioner between this circuit board and this pedestal slidably, one is located at the acoustic emission part on front side of this circuit board, be connected to the connector between this pedestal and this acoustic emission part, one sound wave generating device and a control module, this acoustic emission part comprises an acoustic reflection sheet and is located at some Magnetic force tracting sheets of this acoustic reflection sheet surrounding, the leading flank of this circuit board is provided with some just to the first electromagnet of Magnetic force tracting sheet, this positioner comprises a locating rack, this connector comprises one and is movably connected in the movable part of this pedestal, the trailing flank of this circuit board is provided with second electromagnet that this locating rack can be driven to slide, this sound wave generating device comprises a source of sound assembly kept at a certain distance away with acoustic reflection sheet, this control module controls the second electromagnet energising or power-off, this locating rack is made to depart from or hold this movable part, this control module controls the first electromagnet energising or power-off, drive the Magnetic force tracting sheet of this acoustic reflection part that this acoustic reflection sheet is moved.
2. loud speaker as claimed in claim 1, it is characterized in that: an accepting hole offered by this circuit board, this connector is connected to this pedestal and this acoustic reflection sheet through this accepting hole, these first electromagnet establish the leading flank surrounding being located at this circuit board around this accepting hole, this second electromagnet in the form of a ring, is located at the trailing flank of this circuit board around this accepting hole.
3. loud speaker as claimed in claim 1, it is characterized in that: this pedestal comprises a substrate, extends forward the some guide pillars be fixed on rear side of this circuit board from this substrate, a rotating hole offered by this substrate, and the movable part of this connector is contained in this rotating hole rotatably.
4. loud speaker as claimed in claim 3, is characterized in that: this pedestal also comprises one and is fastened in fastening ring in this rotating hole, departs from this rotating hole to prevent the movable part of this connector.
5. loud speaker as claimed in claim 3, it is characterized in that: this positioner comprises some elastic components being sheathed on these guide pillars, these elastic components are between this locating rack and this circuit board, and the movable part forcing this locating rack to support this connector rotates to stop this connector.
6. loud speaker as claimed in claim 5, it is characterized in that: this locating rack comprises a connecting plate that can be extended back by the framework of the second electromagnet absorption and some edges on front side of this framework, every a plate is sheathed on corresponding guide pillar slidably, and each elastic component is located between circuit board and corresponding connecting plate.
7. loud speaker as claimed in claim 6, it is characterized in that: this framework comprises one just to the magnetic contact pin of this second electromagnet and the installation sheet that extends back from the surrounding of this magnetic contact pin, this installation sheet offers a through hole, and this connector is contained in the through hole of this installation sheet.
8. loud speaker as claimed in claim 7, it is characterized in that: this positioner also comprises the locating ring that holds the movable part of this connector, the rear end of this installation sheet is provided with one for installing the location division of this locating ring.
9. loud speaker as claimed in claim 8, is characterized in that: this locating ring is made up of rubber.
10. loud speaker as claimed in claim 1, it is characterized in that: this loud speaker also comprises a monitoring module, this monitoring module is fixedly arranged on acoustic reflection sheet, and its towards with reflecting surface towards identical, this monitoring module be used for the viewer in its angular field of view is monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310579734.5A CN104661159B (en) | 2013-11-19 | 2013-11-19 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310579734.5A CN104661159B (en) | 2013-11-19 | 2013-11-19 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104661159A true CN104661159A (en) | 2015-05-27 |
| CN104661159B CN104661159B (en) | 2017-12-15 |
Family
ID=53251760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310579734.5A Expired - Fee Related CN104661159B (en) | 2013-11-19 | 2013-11-19 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104661159B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491490A (en) * | 2016-01-05 | 2016-04-13 | 北京小鸟听听科技有限公司 | Self-adaptive rotary loudspeaker |
| CN106792293A (en) * | 2017-01-18 | 2017-05-31 | 朱海斌 | A kind of tunnel loudspeaker apparatus |
| CN111226443A (en) * | 2017-10-30 | 2020-06-02 | 三星电子株式会社 | Loudspeaker and operation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6343135B1 (en) * | 1998-06-11 | 2002-01-29 | Elmark Technologies Incorporation | Retractable speaker assembly for a partition |
| US20080130938A1 (en) * | 2006-06-28 | 2008-06-05 | Wan Chen Chou | Recess-and Flush-Mountable Rotatable Sound Box and Systems Comprising Same |
| CN101588522A (en) * | 2008-05-21 | 2009-11-25 | 纬创资通股份有限公司 | Portable electronic device with magnet padlock type speaker |
| CN101588524A (en) * | 2009-07-08 | 2009-11-25 | 电子科技大学 | Directionally adjustable miniature audio frequency directional loudspeaker |
| CN102342131A (en) * | 2009-03-03 | 2012-02-01 | 松下电器产业株式会社 | Speaker with camera, signal processing device, and AV system |
| CN102487473A (en) * | 2010-12-01 | 2012-06-06 | 三星电子株式会社 | Integrated speaker and home theater sound system having same |
-
2013
- 2013-11-19 CN CN201310579734.5A patent/CN104661159B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6343135B1 (en) * | 1998-06-11 | 2002-01-29 | Elmark Technologies Incorporation | Retractable speaker assembly for a partition |
| US20080130938A1 (en) * | 2006-06-28 | 2008-06-05 | Wan Chen Chou | Recess-and Flush-Mountable Rotatable Sound Box and Systems Comprising Same |
| CN101588522A (en) * | 2008-05-21 | 2009-11-25 | 纬创资通股份有限公司 | Portable electronic device with magnet padlock type speaker |
| CN102342131A (en) * | 2009-03-03 | 2012-02-01 | 松下电器产业株式会社 | Speaker with camera, signal processing device, and AV system |
| CN101588524A (en) * | 2009-07-08 | 2009-11-25 | 电子科技大学 | Directionally adjustable miniature audio frequency directional loudspeaker |
| CN102487473A (en) * | 2010-12-01 | 2012-06-06 | 三星电子株式会社 | Integrated speaker and home theater sound system having same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491490A (en) * | 2016-01-05 | 2016-04-13 | 北京小鸟听听科技有限公司 | Self-adaptive rotary loudspeaker |
| CN106792293A (en) * | 2017-01-18 | 2017-05-31 | 朱海斌 | A kind of tunnel loudspeaker apparatus |
| CN106792293B (en) * | 2017-01-18 | 2017-12-08 | 绍兴悦植贸易有限公司 | A kind of tunnel loudspeaker apparatus |
| CN111226443A (en) * | 2017-10-30 | 2020-06-02 | 三星电子株式会社 | Loudspeaker and operation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104661159B (en) | 2017-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171110 Address after: 528437 Guangdong province Zhongshan Torch Development Zone, Cheung Hing Road 6 No. 222 north wing trade building room Applicant after: Zhongshan yunchuang Intellectual Property Service Co.,Ltd. Address before: 518109 Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant before: SCIENBIZIP CONSULTING (SHEN ZHEN) Co.,Ltd. Effective date of registration: 20171110 Address after: 518109 Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant after: SCIENBIZIP CONSULTING (SHEN ZHEN) Co.,Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) Co.,Ltd. Applicant before: HON HAI PRECISION INDUSTRY Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20181119 |