CN202043276U - Combined non-directional broadband planar speaker - Google Patents
Combined non-directional broadband planar speaker Download PDFInfo
- Publication number
- CN202043276U CN202043276U CN201020210935XU CN201020210935U CN202043276U CN 202043276 U CN202043276 U CN 202043276U CN 201020210935X U CN201020210935X U CN 201020210935XU CN 201020210935 U CN201020210935 U CN 201020210935U CN 202043276 U CN202043276 U CN 202043276U
- Authority
- CN
- China
- Prior art keywords
- frequency
- aphalangia
- speaker
- low
- plane
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The utility model relates to a combined non-directional broadband planar speaker, which mainly comprises a box body, a sliding plug type oval speaker, a shock exciter, a vibrating sheet, an amplitude-frequency matching device, four elastic support components, a plurality of fastening components and a plurality of baffles. The whole irradiation surface of the speaker adopts a plane, the bottom of the plane is provided with an irradiation chamber, a low-frequency speaker is hidden in the chamber, and low-frequency sound waves are irradiated out from the chamber; and the vibrating sheet is excited by the shock exciter to produce distribution pattern type vibration on the upper part of the plane and thus intermediate- and high-frequency non-directional sound irradiation can be achieved. With the matching device, the balanced frequency can be achieved. The utility model has the advantages that the combined non-directional broadband planar speaker has a wide frequency band, good low-frequency properties and non-directional radiation on the plane.
Description
Technical field
The utility model relates to a kind of electro-acoustic product, belongs to the sound technique field.
Background technology
Along with continually developing of new material and new technology, the sound technique field has emerged many new products, as extremely people's concern of loud speaker of one of Primary Component.The distribution pattern dynamic planar loudspeakers is the comparatively popular a kind of New-type loudspeaker of research recently, though it has the non-directive advantage, low frequency radiation-efficiency is lower, and bandwidth is restricted, and traditional dynamic speaker technology comparative maturity, but medium-high frequency directive property is stronger.The utility model is exactly integrated both advantages, designs a ultrathin composite type aphalangia to the broadband dynamic planar loudspeakers.
Summary of the invention
The purpose of this utility model is to provide a kind of composite type aphalangia lower to solve the conventional loudspeakers low frequency radiation-efficiency to the broadband dynamic planar loudspeakers, the deficiency that bandwidth is restricted and medium-high frequency directive property is stronger.
The utility model realizes that the technical scheme that above-mentioned purpose is taked is:
A kind of composite type aphalangia divides bottom low frequency cell and medium-high frequency unit, top to the broadband dynamic planar loudspeakers, and the low frequency elliptical loudspeaker is hidden and is installed in the low frequency cell chamber, and the medium-high frequency unit is provided with vibration exciter and plane vibration thin plate.To external radiation, medium-high frequency produces aphalangia to acoustic radiation by thin plate transverse free vibration to low-frequency sound wave by cavity; The positive radiation face of loudspeaker enclosure is the flat board of a bottom opening.Adaptation is installed on the back cavity wall between several from top to bottom the 3rd baffle plates in the left side and the lower clapboard, realizes the frequency equilibrium of audio power signal.
The beneficial effects of the utility model are, because medium-high frequency adopts distributed flexural vibrations dynamic planar loudspeakers mode of operation, make loud speaker that medium-high frequency response preferably not only be arranged, and have radiation non-directive feature; Because low frequency has adopted the piston type elliptical loudspeaker and the low-frequency resonant cavity configuration of arranging in pairs or groups, make the loud speaker LF-response better simultaneously, have better Frequency Response and directive property performance on the whole.Low frequency cell adopts elliptical loudspeaker, adopts concealed installation, and combined with the medium-high frequency distributed mode loudspeaker, makes cabinet speaker do thinlyyer, and positive radiation face is a plane (bottom opening), can't see the existence of loud speaker in the use.Comprise framework and panel, casing can be made of metallic plate fully, makes tone color more pure.
Description of drawings
Fig. 1 is that aphalangia is to broadband combined planar loadspeaker structure profile
Fig. 2 is that the medium-high frequency aphalangia is to radiative unit structure figure
1. dividing plates among the figure, 2. elastic supporting member for supporting optical member, 3. vibration exciter, 4. flexural vibrations thin plate, 5. baffle plate, 6. adaptation, 7. elliptical loudspeaker.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, the utility model is that a kind of aphalangia that piston type elliptical loudspeaker and distributed mode loudspeaker organic assembling are formed is to the broadband dynamic planar loudspeakers.This novel planar loud speaker is ultra-thin shape case structure, divides medium-high frequency unit, top and bottom low frequency cell.Medium-high frequency unit, top is a semiclosed framework, be provided with a vibration exciter (3) and and one the vibration thin plate (4), vibration exciter (3) is located at framework inside, its bottom is fixed on casing rear wall middle part with securing member, mounting distance is adjustable, make vibration exciter (3) oscillator and oscillating plate form certain precompression, four drift angles that 4 elastic supporting member for supporting optical member (2) will vibrate thin plate (4) support, vibration thin plate (4) is propped up stand on frame forward end, and help producing distribution pattern vibration, the front plate of vibration thin plate (4) and lower box at grade, vibration thin plate (4) can be various metals or nonmetal hard plate, vibration exciter under the medium-high frequency audio-signal-driven (3) excited vibrational thin plate (4) is done distributed flexural vibrations, produces aphalangia to acoustic radiation.The bottom low frequency cell is a low-frequency resonant chamber, by a dividing plate (1) it is divided into closed inner chamber and semiclosed radiation exocoel two parts, sliding piston type elliptical loudspeaker (7) is installed on the dividing plate (1), elliptical loudspeaker (7) radiating surface is downward, shape size and the corresponding elliptical aperture of loud speaker (7) cone are got in dividing plate (1) middle part, so that loud speaker (7) produces acoustic radiation to exocoel when working; 6 baffle plates (5) that become pectinate texture are housed in the enclosed cavity on dividing plate (1) top, be beneficial to the expansion low-frequency resonance frequency, adorn two baffle plates (5) in dividing plate (1) lower cavity, change radiation damping with appropriateness, get a low frequency radiation hole on the front panel of exocoel, low-frequency sound wave is thus to external radiation; Amplitude-frequency adaptation (6) is loaded on the enclosed cavity rear wall, and line passes in the dividing plate (1) internally, and the effect of adaptation (6) is frequency division on the one hand, is on the other hand to realize dynamic planar loudspeakers medium-high frequency power back-off.
Claims (3)
1. a composite type aphalangia is characterized in that to the broadband dynamic planar loudspeakers: loud speaker branch bottom low frequency cell and medium-high frequency unit, top, low frequency elliptical loudspeaker hide and are installed in the low frequency cell chamber, and the medium-high frequency unit is provided with vibration exciter and plane vibration thin plate.
2. aphalangia according to claim 1 is characterized in that to the broadband dynamic planar loudspeakers: to external radiation, medium-high frequency produces aphalangia to acoustic radiation by thin plate transverse free vibration to low-frequency sound wave by cavity; The positive radiation face of loudspeaker enclosure is the flat board of a bottom opening.
3. aphalangia according to claim 1 is characterized in that to the broadband dynamic planar loudspeakers: adaptation is installed on the back cavity wall between several from top to bottom the 3rd baffle plates in the left side and the lower clapboard, realizes the frequency equilibrium of audio power signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020210935XU CN202043276U (en) | 2010-06-01 | 2010-06-01 | Combined non-directional broadband planar speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020210935XU CN202043276U (en) | 2010-06-01 | 2010-06-01 | Combined non-directional broadband planar speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202043276U true CN202043276U (en) | 2011-11-16 |
Family
ID=44970701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020210935XU Expired - Fee Related CN202043276U (en) | 2010-06-01 | 2010-06-01 | Combined non-directional broadband planar speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202043276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521424A (en) * | 2013-10-23 | 2014-01-22 | 中国船舶重工集团公司第七○二研究所 | Low-frequency sound wave excitation device |
| CN109600702A (en) * | 2017-09-30 | 2019-04-09 | 西门子瑞士有限公司 | Audible alarm unit |
-
2010
- 2010-06-01 CN CN201020210935XU patent/CN202043276U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521424A (en) * | 2013-10-23 | 2014-01-22 | 中国船舶重工集团公司第七○二研究所 | Low-frequency sound wave excitation device |
| CN109600702A (en) * | 2017-09-30 | 2019-04-09 | 西门子瑞士有限公司 | Audible alarm unit |
| CN109600702B (en) * | 2017-09-30 | 2021-12-03 | 西门子瑞士有限公司 | Sound alarm device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10469953B2 (en) | Speaker box | |
| US10764664B2 (en) | Speaker box | |
| CN107343247A (en) | Loudspeaker enclosure | |
| US20150222983A1 (en) | Ultra-low profile loudspeakers | |
| US10291984B2 (en) | Speaker, television provided with the speaker and multimedia device | |
| CN201674658U (en) | Resonance speaker | |
| CN203984643U (en) | Passive radiator | |
| CN202514052U (en) | Audio structure for mobile phone | |
| CN106034270A (en) | closed multiple-cavity type low-pitch sound box and television set with the built-in low-pitch sound box | |
| CN107396256A (en) | Loudspeaker enclosure | |
| CN202043276U (en) | Combined non-directional broadband planar speaker | |
| CN202135298U (en) | Bass enhanced sound box | |
| CN101052237B (en) | Integrated built-in speaker with conduit | |
| CN201290170Y (en) | Elastic soft loudspeaker box system | |
| CN2288564Y (en) | Loadspeaker box | |
| CN111327988A (en) | Intelligent sound box | |
| CN202841503U (en) | Fat plane loudspeaker | |
| CN207075085U (en) | Loudspeaker enclosure | |
| CN202406276U (en) | Speaker with mirror structure | |
| WO2016165240A1 (en) | Sound system | |
| CN207135237U (en) | A kind of Multicarity audio amplifier | |
| CN207124717U (en) | A kind of two-sided extrusion formula passive sound box | |
| CN202406287U (en) | Ultrathin sound box | |
| CN207075084U (en) | Loudspeaker enclosure | |
| CN211860454U (en) | Thin mural flat sound box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20120601 |