CN2854984Y - Loudspeaker box without backblow - Google Patents
Loudspeaker box without backblow Download PDFInfo
- Publication number
- CN2854984Y CN2854984Y CN 200520123535 CN200520123535U CN2854984Y CN 2854984 Y CN2854984 Y CN 2854984Y CN 200520123535 CN200520123535 CN 200520123535 CN 200520123535 U CN200520123535 U CN 200520123535U CN 2854984 Y CN2854984 Y CN 2854984Y
- Authority
- CN
- China
- Prior art keywords
- recoil
- utility
- sound
- model
- box
- 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
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- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a recoil-free sound box, in particular a recoil-free sound box capable of eliminating recoil force and improving sound quality, which comprises box body and loudspeakers whose tail portions are in rigid connection with the two opposite sides of the box body. Said rigid connection refers to welded joint. Since two loudspeakers form a combined loudspeaker by rigid connection, directions of recoil forces from these two loudspeakers are opposite and thus the sum of recoil force is zero after overlapping. Therefore, the recoil force is substantially eliminated to avoid redundant sound due to residual sound wave and to improve sound quality. Additionally, the utility model appropriately reduces the thickness of bass box, reducing raw material costs.
Description
Technical field
The utility model relates to a kind of audio amplifier, in particular, relates to a kind of recoilless audio amplifier.
Background technology
Existing woofer is made up of sound box and loud speaker, and wherein, loud speaker is fixed on the same side of sound box.During loudspeaker vibration vibrational system there is very large moment electromagnetism motive force,, must produces a kick the bass casing according to Newton's third law.This kick is that the source is instigated in a vibration concerning the bass casing, makes casing produce vibration, dyes thereby produce unnecessary acoustic wave form audio.And when using a plurality of loud speaker, the direction of vibration that a plurality of loud speakers produce is identical, makes a concerted effort to be the stack of a plurality of kicks, therefore, needs the thickening bass box to gain in strength.Increased cost like this.
The utility model content
The utility model is can eliminate kick in order to provide a kind of, improves the recoilless audio amplifier of tonequality.
The utility model is achieved through the following technical solutions:
A kind of recoilless audio amplifier comprises casing, is fixed with the rigidly connected loud speaker of afterbody on two relative side box bodies.
Described being rigidly connected is welding.
The utlity model has following technique effect:
Audio amplifier of the present utility model forms a combination loudspeaker after two loud speakers are rigidly connected, because the kick direction of two loud speakers generations is opposite, the kick that externally produces after the stack is zero.Therefore fundamentally eliminate kick, avoided unnecessary acoustic wave form audio to dye, not only improved tonequality, can also suitably reduce the thick body of bass casing, reduced the cost of raw material.
Description of drawings
Fig. 1 is the structural representation of the recoilless audio amplifier of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
Fig. 1 is the structural representation of the recoilless audio amplifier of the utility model, comprises sound box 1, is fixed with the rigidly connected loud speaker 2,3 of afterbody on two relative side box bodies.Be rigidly connected for welding, bolt connect, bonding etc.Preferably use welding, because kick when excessive, it is destroyed to be rigidly connected to prevent.When using a plurality of loud speaker, after being rigidly connected, the afterbody of per two loud speakers forms combination loudspeaker, a plurality of combination loudspeakers are separately fixed on the two relative side box bodies, and the kick direction that two rigidly connected loud speakers are produced is opposite, and the kick that the stack back externally produces is zero.
Although relate to a kind of recoilless audio amplifier and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.
Claims (2)
1, a kind of recoilless audio amplifier comprises sound box, it is characterized in that, is fixed with the rigidly connected loud speaker of afterbody on two relative side box bodies.
2, recoilless audio amplifier according to claim 1 is characterized in that, described being rigidly connected is welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520123535 CN2854984Y (en) | 2005-11-18 | 2005-11-18 | Loudspeaker box without backblow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520123535 CN2854984Y (en) | 2005-11-18 | 2005-11-18 | Loudspeaker box without backblow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854984Y true CN2854984Y (en) | 2007-01-03 |
Family
ID=37581621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520123535 Expired - Fee Related CN2854984Y (en) | 2005-11-18 | 2005-11-18 | Loudspeaker box without backblow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2854984Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340726A (en) * | 2011-09-26 | 2012-02-01 | 董自欣 | Dynamic speaker system |
-
2005
- 2005-11-18 CN CN 200520123535 patent/CN2854984Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340726A (en) * | 2011-09-26 | 2012-02-01 | 董自欣 | Dynamic speaker 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 |