CN204334876U - The audio amplifier in echo hole is set - Google Patents
The audio amplifier in echo hole is set Download PDFInfo
- Publication number
- CN204334876U CN204334876U CN201520070126.6U CN201520070126U CN204334876U CN 204334876 U CN204334876 U CN 204334876U CN 201520070126 U CN201520070126 U CN 201520070126U CN 204334876 U CN204334876 U CN 204334876U
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- CN
- China
- Prior art keywords
- echo
- audio amplifier
- loud speaker
- holes
- hole
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- Expired - Fee Related
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Abstract
A kind of audio amplifier that echo hole is set, comprise body and base, it is removable connection between described body and base, body and base form the cavity of accommodating loud speaker, it is characterized in that: the surface of described body is provided with echo hole, described echo hole is four and lays respectively at the corner place in loud speaker front, and the area being positioned at two echo holes of top is greater than the area in two the echo holes being positioned at below.Adopt said structure, the atmospheric pressure caused due to loudspeaker vibration is in time by echo evacuated pore, and owing to adopting, four echo holes are set at the corner place in loud speaker front, can make atmospheric pressure fast, disperse away uniformly, and consider that audio amplifier upper space is large, the air caused is many, thus two the echo holes arranging top are greater than two echo holes of bottom, thus make the equalization of pressure in whole casing, the transmission of effective guarantee low-frequency sound, can not cause the appearance of the problem such as noise and tonequality dispersion.
Description
Technical field
The utility model relates to sound system technical field, is specifically related to a kind of audio amplifier arranging echo hole.
Background technology
Audio amplifier is the terminal of whole sound system, and its effect is that audio frequency electric energy is converted to corresponding acoustic energy, and it is radiated space.It is the extremely important part of sound system, the signal of telecommunication is transformed into acoustical signal directly listens to so mission critical because which is responsible for the ear of people, it is wanted directly and the sense of hearing of people is come into contacts with, and the sense of hearing of people is very sensitive, and to the tone color of complex sound, there is very strong resolving ability.Because people's ear to evaluate the most important standard of a sound system tonequality quality just to the subjective feeling of sound, therefore, can think, the performance height of audio amplifier is play key effect to the playing quality of a sound system.At present, the sound equipment general structure in market comprises body and base, and body is connected with base is removable, arranges loud speaker, form complete loudspeaker box structure in the cavity that base and body are formed.In order to easy to carry and be convenient to transport, often is mostly improve from the external structure of audio amplifier, such as adds the form that pull bar, handrail etc. are made into suitcase, and for the propagation of wherein loud speaker tonequality the architecture advances done, rarely have report.
And along with the development of present large-scale stage or meeting-place sound system, need the quality of tonequality more and more higher, particularly woofer, the sound equipment of above-mentioned traditional structure forms airtight cavity due to inside, cause inside and outside atmospheric pressure unequal, have impact on the primary sound of low-frequency sound, cause the appearance of the problem such as noise and tonequality dispersion.
Utility model content
The utility model, for the above-mentioned deficiency of prior art, provides a kind of and can reduce the impact of atmospheric pressure on sound-reducing, reduce the appearance of noise, and tonequality concentrates the audio amplifier arranging echo hole not easily disperseed.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of audio amplifier arranging echo hole, comprise body and base, it is removable connection between described body and base, body and base form the cavity of accommodating loud speaker, it is characterized in that: the surface of described body is provided with echo hole, described echo hole is four and lays respectively at the corner place in loud speaker front, and the area being positioned at two echo holes of top is greater than the area in two the echo holes being positioned at below.
Adopt said structure, the atmospheric pressure caused due to loudspeaker vibration, in time by echo evacuated pore, reduces atmospheric pressure to the impact of the former sound of low frequency; And owing to adopting, four echo holes are set at the corner place in loud speaker front, can make atmospheric pressure fast, disperse away uniformly, and consider that audio amplifier upper space is large, the air caused is many, thus two the echo holes arranging top are greater than two echo holes of bottom, thus make the equalization of pressure in whole casing, effectively ensure the transmission of low-frequency sound, the appearance of the problem such as noise and tonequality dispersion can not be caused.
As preferably, in described echo hole, be provided with cross grid, adopt that atmospheric pressure is split by this structure further, refinement dispersion discharges, avoid atmospheric short circuit, thus ensure the transmission of low-frequency sound further, the appearance of the problem such as noise and tonequality dispersion can not be caused, lower distortion rate.
As preferably, the surface of described body is positioned at the netted dust cover of arranged outside in loud speaker front, adopts this structure, prevents dust etc. from entering body interior, pollute loud speaker.Described netted dust cover is commercially available prod.
As preferably, described body and chassis interior are provided with some evenly distributed reinforcements, and described reinforcement extends along audio amplifier short transverse; Adopt this structure, intensity and the hardness of audio amplifier entirety can be increased, increase the service life.
Accompanying drawing explanation
Fig. 1 the utility model arranges the audio amplifier front view structural representation in echo hole.
Fig. 2 the utility model arranges the sound box side rearview structural representation in echo hole.
Fig. 3 the utility model arranges the loudspeaker box structure schematic diagram (inwall arranges reinforcement) in echo hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail, but is not limited only to following examples.
As shown in Figure 1-2: a kind of audio amplifier that echo hole is set, comprise body 1 and base 2, be removable connection between described body 1 and base 2, body and base form the cavity of accommodating loud speaker, it is characterized in that: the surface of described body 1 is provided with echo hole 3, described echo hole 3 is four and lays respectively at the corner place in loud speaker front, and the area being positioned at two echo holes of top is greater than the area in two the echo holes being positioned at below.
Adopt said structure, the atmospheric pressure caused due to loudspeaker vibration is in time by echo evacuated pore, and owing to adopting, four echo holes are set at the corner place in loud speaker front, can make atmospheric pressure fast, disperse away uniformly, and consider that audio amplifier upper space is large, the air caused is many, thus two the echo holes arranging top are greater than two echo holes of bottom, thus make the equalization of pressure in whole casing, the transmission of effective guarantee low-frequency sound, can not cause the appearance of the problem such as noise and tonequality dispersion.
Cross grid 4 is provided with in echo hole described in this practicality, adopt that atmospheric pressure is split by this structure further, refinement dispersion discharges, avoid atmospheric short circuit, thus ensure the transmission of low-frequency sound further, the appearance of the problem such as noise and tonequality dispersion can not be caused, lower distortion rate.
The surface of the body described in this practicality is positioned at the netted dust cover 5 of arranged outside in loud speaker front, adopts this structure, prevents dust etc. from entering body interior, pollute loud speaker.Described netted dust cover is commercially available prod.
Body described in this practicality and base inner wall are provided with some evenly distributed reinforcements, and described reinforcement extends along audio amplifier short transverse; Adopt this structure, intensity and the hardness of audio amplifier entirety can be increased, increase the service life.
Removable connection described in this practicality can be the conventional removable connected mode such as clamping, riveted joint.
Claims (4)
1. one kind arranges the audio amplifier in echo hole, comprise body and base, it is removable connection between described body and base, body and base form the cavity of accommodating loud speaker, it is characterized in that: the surface of described body is provided with echo hole, described echo hole is four and lays respectively at the corner place in loud speaker front, and the area being positioned at two echo holes of top is greater than the area in two the echo holes being positioned at below.
2. the audio amplifier arranging echo hole according to claim 1, is characterized in that: be provided with cross grid in described echo hole.
3. the audio amplifier arranging echo hole according to claim 1, is characterized in that: the surface of described body is positioned at the netted dust cover of arranged outside in loud speaker front.
4. the audio amplifier arranging echo hole according to claim 1, is characterized in that: described body and chassis interior are provided with some evenly distributed reinforcements, and described reinforcement extends along audio amplifier short transverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520070126.6U CN204334876U (en) | 2015-01-31 | 2015-01-31 | The audio amplifier in echo hole is set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520070126.6U CN204334876U (en) | 2015-01-31 | 2015-01-31 | The audio amplifier in echo hole is set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334876U true CN204334876U (en) | 2015-05-13 |
Family
ID=53171180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520070126.6U Expired - Fee Related CN204334876U (en) | 2015-01-31 | 2015-01-31 | The audio amplifier in echo hole is set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334876U (en) |
-
2015
- 2015-01-31 CN CN201520070126.6U patent/CN204334876U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20160131 |
|
| EXPY | Termination of patent right or utility model |