CN2904534Y - Horn device - Google Patents
Horn device Download PDFInfo
- Publication number
- CN2904534Y CN2904534Y CN 200520121202 CN200520121202U CN2904534Y CN 2904534 Y CN2904534 Y CN 2904534Y CN 200520121202 CN200520121202 CN 200520121202 CN 200520121202 U CN200520121202 U CN 200520121202U CN 2904534 Y CN2904534 Y CN 2904534Y
- Authority
- CN
- China
- Prior art keywords
- radio reception
- sound
- guide tube
- loudspeaker monomer
- loudspeaker
- 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
- 239000000178 monomer Substances 0.000 claims description 34
- 238000005452 bending Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000000234 capsid Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001739 rebound effect Effects 0.000 description 2
- 238000013515 script Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
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- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
A speaker device comprises a hollow housing, a speaker unit embedded in the housing and exposed to the front side of the housing and driven to generate sound, and a sound-receiving mechanism assembled in the housing. The sound receiving mechanism comprises a hollow sound receiving cover with an opening facing forwards and arranged outside the loudspeaker unit, a hollow flexible sound guide pipe which is bent, extended, communicated and assembled on the sound receiving cover at one end and fixedly connected on the shell at the other end and communicated with the outside, and the sound receiving cover and the loudspeaker unit are matched to define a sound receiving space.
Description
Technical field
The utility model relates to a kind of voice output, is meant a kind of loudspeaker device that enlarges output sound especially.
Background technology
As shown in Figure 1, general common megaphone roughly comprises a hollow housing 11, and one is assembled in the housing 11 and setting-ins are fixed and exposed to housing 11 leading flanks and can be driven and produce the loudspeaker monomer 12 of sound.When this loudspeaker monomer 12 is produced sound wave by the sound signal driving of the sound source in external world output, mainly be to see through one to rouse the vibration of paper 121 and produce the sound wave of transmission outward, but and when producing the sound wave of transmission outward in this drum paper 121 vibration, drum paper 121 also can produce sound wave in housing 11, because housing 11 is to belong to closed system, therefore transmitting big acoustic wave segment in the housing 11 all can be acted on the bulging paper 121 by the bounce-back of housing 11 internal faces, at this moment, rebound effect can directly be disturbed the vibration of drum paper 121 scripts in the sound wave of drum paper 121, at this moment, rebound effect can directly be disturbed the vibration of drum paper 121 scripts in the sound wave of drum paper 121, cause toward the normal sound wave of front transfer disturbed and unintelligible, and making the audience to know to hear speaker's the content of speaking, this kind situation is more obvious in small-sized megaphone device with it at some common wireless microphones.
For avoiding this situation to take place, many loudspeaker dealers can be in housing 11 internal faces, outer surface in other members that are positioned at housing 11 sticks the acoustical cotton 13 with sound-absorbing effect, wave absorption in the housing 11 is fallen, disturb to reduce, but because of acoustical cotton 13 prices add that acoustical cotton 13 is complicated at the assembling processing procedure, so can cause the cost of loudspeaker device higher, especially general miniature loudspeaker, because be that loudspeaker and circuit bank are contained in a cabinet interior, if it is not good to handle acoustical cotton 13 fabrication process, the back coupling of its generation and noise can be more serious, so that manufacturing cost can't reduce, and has influenced the market competitiveness.
Summary of the invention
The purpose of this utility model is promptly providing a kind of loudspeaker device that can significantly reduce the interference of the inner sound wave of loudspeaker device and can reduce manufacturing cost.
The utility model loudspeaker device comprises an inside and defines empty capsid, among the assembling space and be assembled in this assembling space and setting-in exposes to the housing leading flank and can be driven and externally produce the loudspeaker monomer of sound and a radio reception mechanism that is assembled in the assembling space.This radio reception mechanism comprises that an opening covers at outer and its opening ground of cap seal of this loudspeaker monomer frontward and is fixed in empty radio reception cover among the housing medial surface, and one bending extend and be communicated with and be assembled on the radio reception cover and be fixed on this housing and empty flexible sound guide tube among being in communication with the outside with its other end with the one end, and this radio reception cover matches with the loudspeaker monomer and defines a radio reception space, when the loudspeaker monomer is driven and produces sound wave, this radio reception cover can cause the acoustic duct that the loudspeaker monomer produces in this sound guide tube in the radio reception space, and transmits outward along this sound guide tube.
Take said structure, utilizing radio reception mechanism can make this loudspeaker monomer produce big acoustic wave segment towards the radio reception space can be guided in this sound guide tube by concave arc radio reception face, and transmit outward along the sound guide tube of this bending extension, and energy dissipating is scattered and disappeared gradually, and then can significantly reduce the interference phenomenon that sound wave caused of loudspeaker monomer, and then can significantly improve sound articulation and the quality that the loudspeaker monomer enlarges output toward interior transmission.
Description of drawings
The side-looking generalized section of the megaphone device that Fig. 1 is general common;
Fig. 2 is the stereogram of first preferred embodiment of the utility model loudspeaker device;
Fig. 3 is the side cutaway view of this preferred embodiment of Fig. 2.
Fig. 4 is the side cutaway view of first preferred embodiment of the utility model loudspeaker device.
Embodiment
About addressing other technology contents, characteristics and effect before the utility model, in the following detailed description that cooperates with reference to one of a graphic preferred embodiment, can clearly present.
Shown in Fig. 2,3, the preferred embodiment of the utility model loudspeaker device comprises an inside and defines empty capsid 3, among the assembling space 30 and be assembled in the interior loudspeaker monomer 4 of assembling space 30, and one is assembled in the assembling space 30 and covers at the outer radio reception mechanism 5 of loudspeaker monomer 4.
This housing 3 roughly is rectangular-shaped, and its front side wall 31 is formed with upper and lower interval and one of is communicated with a big joining hole 311 and a little joining hole 312 respectively with assembling space 30.
This loudspeaker monomer 4 is to be positioned at this assembling space 30, and be flush-mounted in the big joining hole 311 with sidewall 31 before the housing 3 affixedly and cover this big joining hole 311, and can be electrically connected with a source of sound signal output device (figure do not show), can be driven by this sound source signal and produce the sound wave of external transmission.Because of this loudspeaker monomer 4 is general common megaphone, and the improvement emphasis of non-the utility model, therefore the structure for loudspeaker monomer 4 no longer describes in detail.
This radio reception mechanism 5 comprises a hollow radio reception cover 51, and a flexible sound guide tube 52 that is communicated with winding with radio reception cover 51.These radio reception cover 51 external forms be opening forward and external diameter empty coniform among bundle contracts gradually backward, and covering these front side wall 31 big joining holes 311 ground covers at outside this loudspeaker monomer 4, and its opening ground of cap seal is fixed in front side wall 31 medial surfaces with its front opening periphery, and this radio reception cover 51 has one towards this loudspeaker monomer 4 and toward the recessed extensions of backarc, and the radio reception face 510 that matches and define a radio reception space 50 with this loudspeaker monomer 4.This sound guide tube 52 is to be fixed in contract end and being communicated with this radio reception space 50 of this radio reception cover 51 bundles with the one end, and be communicated with winding with the little joining hole 312 of this front side wall 31 with its another end opposite, and radio reception space 50 is in communication with the outside, in order to make this sound guide tube 52 bent extensions, sound guide tube 52 of the present invention can adopt to have flexible material and makes, and makes as plastic tube or tubular body 53 with hundred folded structures, as shown in Figure 4, make centre portion can be bending and extend shape, to be fit to simple assembling.
During the present invention's loudspeaker device start, loudspeaker monomer 4 can be driven and produce sound wave forward, in this simultaneously, also can in this radio reception space 50, produce corresponding sound wave backward, because the radio reception face 510 of this radio reception cover 51 is to be the recessed extension shape of arc, and this sound guide tube 52 is to be communicated between this radio reception space 50 and the external world, therefore, can be arranged with meter by the arc of this radio reception face 510, big acoustic wave segment in the radio reception space 50 is guided in this sound guide tube 52, and be passed to the external world outward along this sound guide tube 52, and energy dissipating and scattering and disappearing gradually in the transmittance process in the sound guide tube 52 of bending extension, and then the bounce-back that can significantly reduce the sound wave of loudspeaker monomer 4 generation backward disturbs, and improves the definition of loudspeaker monomer 4 toward the sound of front transfers relatively.
During enforcement, the winding position of the radio reception face external form of this radio reception cover 51 and size, this sound guide tube 52 and radio reception cover 51, the caliber that reaches this sound guide tube 52 all can be adjusted according to actual needs with the bending external form, can be made into bending or helical form etc., so that obtain best elimination interference effect.In addition, during enforcement, because the sound wave of this loudspeaker monomer 4 generation backward only can transmit in this radio reception space 50 and sound guide tube 52, therefore, can be positioned at the sound control output associated components (figure does not show) that installs other on zone outside the radio reception cover 51 or other sidewall of this housing 3 additional at this assembling space 30, for example can with the wireless signal receiver of wireless microphone collocation use, recording device, the CD player, the cassette tape recording playback machine, digital audio archives player, and loud little regulating and controlling mechanism ... etc., and make the multiple sound regulation output function of this loudspeaker device tool, but when implementing, the use of this loudspeaker device is not exceeded with above-mentioned winding kenel.
Conclude above-mentioned, see through arc concavity radio reception face 510 structural designs cover at the outer radio reception cover 51 of loudspeaker monomer 4, and the design that is communicated with this radio reception space 50 and the external world with this sound guide tube 52, the big acoustic wave segment of 50 generations can be guided in this sound guide tube 52 by concave arc radio reception face 510 towards the radio reception space can to make this loudspeaker monomer 4, and along this bending extension sound guide tube 52 transmit outward, and energy dissipating is scattered and disappeared gradually, and then can significantly reduce the interference phenomenon that sound wave caused of loudspeaker monomer 4, and then can significantly improve sound articulation and quality that loudspeaker monomer 4 enlarges output toward interior transmission.Add, because of this radio reception cover 51 is relative low than acoustical cotton with the cost of sound guide tube 52, and lacked the complicated manufacturing cost of acoustical cotton, therefore except can reaching the interference that reduces inner bounce-back sound wave, also can will hang down the manufacturing cost of whole loudspeaker device relatively, improve the market competitiveness.So can reach the present invention's purpose really.
The above person of thought, only be one of the present invention preferred embodiment, when the scope that can not limit the invention process with this, promptly the simple equivalent of being done according to the present patent application claim and invention description content generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.
Claims (3)
1. loudspeaker device comprises:
One hollow housing, inside define an assembling space;
One loudspeaker monomer is assembled in this assembling space and setting-in exposes to the housing leading flank and can be driven and externally produce sound;
It is characterized in that:
One radio reception mechanism, be assembled in this assembling space, and comprise that an opening covers at outer and its opening ground of cap seal of this loudspeaker monomer frontward and is fixed in empty radio reception cover among the housing medial surface, and one extend and be communicated with the one end and be assembled on the radio reception cover, and be fixed on this housing and empty sound guide tube among being in communication with the outside with its other end, and this radio reception cover matches with the loudspeaker monomer and defines a radio reception space, when the loudspeaker monomer is driven and produces sound, this radio reception cover can cause the acoustic duct that the loudspeaker monomer produces in this sound guide tube in the radio reception space, and transmit outward along this sound guide tube, bending is extended.
2. the loudspeaker device according to claim 1 is characterized in that described sound guide tube cording has the flexible bending extension shape that is.
3. the loudspeaker device according to claim 1, it is characterized in that described radio reception cover has one towards this loudspeaker monomer and be toward the recessed extension of backarc and the taper radio reception face that matches and define this radio reception space with this loudspeaker monomer, this sound guide tube is and this radio reception spatial communication ground and this radio reception cover winding, and when the loudspeaker monomer produced sound wave in the radio reception space, the recessed radio reception face of this arc can be introduced the acoustic duct in the radio reception space in this sound guide tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520121202 CN2904534Y (en) | 2005-12-22 | 2005-12-22 | Horn device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520121202 CN2904534Y (en) | 2005-12-22 | 2005-12-22 | Horn device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2904534Y true CN2904534Y (en) | 2007-05-23 |
Family
ID=38079945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520121202 Expired - Fee Related CN2904534Y (en) | 2005-12-22 | 2005-12-22 | Horn device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2904534Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105049981A (en) * | 2014-04-30 | 2015-11-11 | 松下知识产权经营株式会社 | Speaker system |
CN106230535A (en) * | 2016-08-31 | 2016-12-14 | 浙江省金华市灵声电子有限公司 | A kind of broadcast system |
CN106254017A (en) * | 2016-08-31 | 2016-12-21 | 浙江省金华市灵声电子有限公司 | A kind of countryside broadcast system |
-
2005
- 2005-12-22 CN CN 200520121202 patent/CN2904534Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105049981A (en) * | 2014-04-30 | 2015-11-11 | 松下知识产权经营株式会社 | Speaker system |
CN105049981B (en) * | 2014-04-30 | 2019-10-15 | 松下知识产权经营株式会社 | Speaker system |
CN106230535A (en) * | 2016-08-31 | 2016-12-14 | 浙江省金华市灵声电子有限公司 | A kind of broadcast system |
CN106254017A (en) * | 2016-08-31 | 2016-12-21 | 浙江省金华市灵声电子有限公司 | A kind of countryside broadcast system |
CN106254017B (en) * | 2016-08-31 | 2019-02-19 | 浙江省金华市灵声电子有限公司 | A kind of countryside broadcast system |
CN106230535B (en) * | 2016-08-31 | 2019-06-21 | 浙江省金华市灵声电子有限公司 | A kind of broadcast system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |