CN211791883U - Echo suppression receive and releases sound structure - Google Patents
Echo suppression receive and releases sound structure Download PDFInfo
- Publication number
- CN211791883U CN211791883U CN202020254393.XU CN202020254393U CN211791883U CN 211791883 U CN211791883 U CN 211791883U CN 202020254393 U CN202020254393 U CN 202020254393U CN 211791883 U CN211791883 U CN 211791883U
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- Prior art keywords
- cover
- horn
- sound
- microphone
- loudspeaker
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- 230000001629 suppression Effects 0.000 title claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 239000006260 foam Substances 0.000 claims description 18
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to an audio equipment technical field provides an echo suppression receive and release sound structure, and this structure includes: the horn cover is arranged on the inner wall of the equipment shell, and a horn is arranged in the horn cover; the first cushion pad is arranged inside the horn cover, supports the horn and is used for isolating vibration between the horn and the horn cover; the second buffer cushion is positioned in the horn cover and fixed on the inner wall of the equipment shell, and the second buffer cushion is used for isolating the vibration between the horn and the equipment shell; the loudspeaker sound outlet hole is at least provided with a group of sound outlet holes side by side, each group comprises a plurality of sound holes which are uniformly arranged, and the loudspeaker sound outlet holes are correspondingly arranged on the equipment shell at the position of the loudspeaker. The first buffer cushion is arranged to support the loudspeaker and is used for vibration isolation between the loudspeaker and the loudspeaker cover; and the second cushion pad is positioned in the horn cover and used for isolating the vibration between the horn and the shell.
Description
Technical Field
The utility model relates to an audio equipment technical field specifically relates to an echo suppression receive and release sound structure.
Background
With the development of electronic communication equipment, the functional styles of electronic equipment are diversified according to different use environments of users. For some electronic communication devices, the size of the radiated sound and the volume of the device have different requirements, and in some specific occasions, the overall volume of the electronic device is strictly limited, and meanwhile, the electronic device needs to have larger radiated sound. For equipment with smaller volume, when the sound played outside is larger, the vibration of the shell of the equipment is larger, and the sound is transmitted to the input end of the microphone through the shell to form unnecessary echo; meanwhile, sound is transmitted to the microphone through the inner cavity of the equipment to form echo. Therefore, how to effectively suppress the echo of a small electronic device with a loud sound is necessary.
The traditional echo suppression method is realized by eliminating the echo suppression chip through a certain algorithm and matching with a simple structure, and the echo suppression effect is very limited. When the loud sound is loud, especially in the occasions where the loud sound is loud and the equipment volume is small, the vibration of the components is very obvious, and the echo is difficult to completely eliminate.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a sound receiving and playing structure for echo suppression.
The technical scheme of the utility model is that:
an echo suppressing sound receiving and releasing structure comprises
The loudspeaker cover is arranged on the inner wall of the equipment shell, and a loudspeaker is arranged in the loudspeaker cover;
the first cushion pad is arranged inside the horn cover, supports the horn and is used for isolating vibration between the horn and the horn cover;
the second buffer cushion is positioned in the horn cover and fixed on the inner wall of the equipment shell, and the second buffer cushion is used for isolating the vibration between the horn and the equipment shell;
the loudspeaker sound outlet holes are at least provided with one group side by side, each group comprises a plurality of sound holes which are uniformly arranged, and the loudspeaker sound outlet holes are correspondingly arranged on the equipment shell at the loudspeaker;
the microphone is arranged on the inner wall of the equipment shell and is positioned at the opposite side end or the side end face of the horn cover;
a third cushion disposed between the microphone and the device housing, the third cushion for vibration isolation between the microphone and the device housing;
the microphone sound pickup hole is at least provided with one, and the microphone sound pickup hole is correspondingly arranged on the equipment shell at the position of the microphone.
Preferably, the horn cover is mounted on the inner wall of the equipment shell in a screw or snap mode.
Preferably, a fourth cushion pad is arranged between the horn cover and the inner wall of the equipment shell, and the fourth cushion pad is used for vibration isolation between the horn cover and the equipment shell.
Preferably, a horn sound-proof cover is arranged on the outer side of the horn cover.
Preferably, the horn sound-proof cover is any one of an EVA foam cover, a PE foam cover, a PU foam cover or an EPDM foam cover.
Preferably, a microphone sound insulation cover is mounted on the outer side of the microphone.
Preferably, the horn sound-proof cover and the microphone sound-proof cover are any one of an EVA foam cover, a PE foam cover, a PU foam cover and an EPDM foam cover.
Preferably, the first, second, third and fourth buffer pads are any one of TPE pads and rubber pads.
Preferably, the microphone is fixed on the inner wall of the device shell in a screw or buckle mode.
Preferably, the loudspeaker sound outlet hole is arranged on the inner wall of the equipment shell according to an angle of 0-45 degrees, and the microphone sound pick-up hole is arranged on the inner wall of the equipment shell according to an angle of 0-45 degrees.
The echo suppression receiving and releasing structure provided by the embodiment of the utility model has the advantages that the first buffer cushion is arranged inside the horn cover, supports the horn and is used for vibration isolation between the horn and the horn cover; the second buffer cushion is positioned in the horn cover and fixed on the inner wall of the equipment shell, and the second buffer cushion is used for isolating the vibration between the horn and the equipment shell; a third cushion disposed between the microphone and the device housing, the third cushion for vibration isolation between the microphone and the device housing; and a fourth cushion pad is arranged between the horn cover and the inner wall of the equipment shell, and the fourth cushion pad is used for vibration isolation between the horn cover and the equipment shell.
The structure fixes the loudspeaker and the microphone to prevent the loudspeaker and the microphone from vibrating.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic diagram of a receive and release structure of echo suppression according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The terms "first" or "second", etc. are used merely to distinguish the same type of component or device, and do not represent limitations.
As shown in fig. 1, the embodiment of the utility model discloses an echo suppression receive and releases sound structure, include
The loudspeaker cover 3, this loudspeaker cover 3 sets up on the inner wall of equipment casing 1, the outside of loudspeaker cover 3 is provided with loudspeaker sound-proof housing 8. Be provided with loudspeaker 2 in the loudspeaker cover 3 the utility model discloses in, loudspeaker cover 3 is on the inner wall through screw or buckle mode erection equipment casing. Preferably, the horn cover 3 is mounted on the inner wall of the device housing by screws, and a fourth cushion 7 is disposed between the horn cover 3 and the inner wall of the device housing 1, and the fourth cushion 7 is used for vibration isolation between the horn cover 3 and the device housing 1.
A first cushion pad 5 provided inside the horn housing 3, the first cushion pad 5 supporting the horn 2 and serving to isolate vibration between the horn 2 and the horn housing 3;
a second cushion pad 6 positioned in the horn housing 3 and fixed on the inner wall of the device case 1, the second cushion pad 6 being used for vibration isolation between the horn 2 and the device case 1;
loudspeaker go out sound hole 11, and this loudspeaker go out sound hole 11 and are provided with a set of side by side at least, and each group contains a plurality of sound holes of arranging evenly the utility model discloses in, be provided with a set of side by side, each group contains 4 sound holes of arranging evenly, of course, still includes the condition of more multiunit, its portion belongs to the utility model discloses a protection range. The loudspeaker sound outlet 11 hole is correspondingly arranged on the equipment shell 1 at the loudspeaker;
a microphone 4 is provided on the inner wall of the apparatus case 1. referring to fig. 1, the microphone 4 is provided at the opposite side end of the horn housing 3, or the microphone 4 is provided at the side end adjacent to the mounting surface of the horn housing 3.
A third cushion 9 arranged between the microphone 4 and the device housing 1, the third cushion 9 being used for vibration isolation between the microphone 4 and the device housing 1;
and at least one microphone sound pick-up hole 12 is arranged on the microphone sound pick-up hole 12, and the microphone sound pick-up hole 12 is correspondingly arranged on the equipment shell at the position of the microphone.
In the above, the horn sound-proof cover 8 is made of any one of an EVA foam cover, a PE foam cover, a PU foam cover or an EPDM foam cover.
In the above, the microphone sound insulating cover 10 is attached to the outside of the microphone 4.
In the above, the horn sound-proof cover 8 and the microphone sound-proof cover 10 are any one of an EVA foam cover, a PE foam cover, a PU foam cover, and an EPDM foam cover.
In the above, the first cushion pad 5, the second cushion pad 6, the third cushion pad 9, and the fourth cushion pad 7 are any one of TPE pads and rubber pads.
In the above, the microphone 4 is fixed on the inner wall of the device housing 1 by means of screws or snaps.
In the above, the speaker sound outlet 11 is 0 to 45 degrees on the inner wall of the device case 1. The microphone sound collecting hole is arranged on the inner wall of the equipment shell according to an angle of 0-45 degrees.
In the utility model, the first buffer cushion 5 is used for isolating the vibration between the loudspeaker and the loudspeaker cover; the second cushion pad 6 is used for vibration isolation between the loudspeaker and the equipment shell; the third cushion pad 9 is used for vibration isolation between the microphone and the device housing; fourth blotter 7 is used for the vibration isolation between loudspeaker cover and the equipment shell, can effectually prevent loudspeaker and loudspeaker cover, loudspeaker cover and equipment casing, the vibration between loudspeaker and equipment casing and microphone and the equipment casing to reach structurally to eliminate the vibration and be used for structural echo suppression.
It should be understood that the mounting between the structures in the embodiments of the present invention may refer to welding, bolting, screwing, scarf joining, and bonding; the connection between the pipes may be referred to as communication; the connection between the appliances may refer to an electrical connection. The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (10)
1. An echo suppression receive and release sound structure is characterized by comprising
The loudspeaker cover is arranged on the inner wall of the equipment shell, and a loudspeaker is arranged in the loudspeaker cover;
the first cushion pad is arranged inside the horn cover, supports the horn and is used for isolating vibration between the horn and the horn cover;
the second buffer cushion is positioned in the horn cover and fixed on the inner wall of the equipment shell, and the second buffer cushion is used for isolating the vibration between the horn and the equipment shell;
the loudspeaker sound outlet holes are at least provided with one group side by side, each group comprises a plurality of sound holes which are uniformly arranged, and the loudspeaker sound outlet holes are correspondingly arranged on the equipment shell at the loudspeaker;
the microphone is arranged on the inner wall of the equipment shell and is positioned at the opposite side end or the side end face of the horn cover;
a third cushion disposed between the microphone and the device housing, the third cushion for vibration isolation between the microphone and the device housing;
the microphone sound pickup hole is at least provided with one, and the microphone sound pickup hole is correspondingly arranged on the equipment shell at the position of the microphone.
2. The echo-suppressing retractable sound structure of claim 1, wherein the horn cover is mounted to the inner wall of the device housing by screws or snaps.
3. The echo suppressing retractable sound structure of claim 1, wherein a fourth cushion is provided between the horn cover and the inner wall of the device housing for vibration isolation between the horn cover and the device housing.
4. The echo suppressing retractable sound structure of claim 1, 2 or 3, wherein a horn sound-proof enclosure is provided outside the horn enclosure.
5. The echo suppressing receive and release sound structure of claim 4, wherein the horn sound-proof cover is any one of an EVA foam cover, a PE foam cover, a PU foam cover or an EPDM foam cover.
6. The echo suppressing, retractable sound structure of claim 4, wherein a microphone sound insulating cover is mounted on the outside of the microphone.
7. The echo suppressing folding and unfolding sound structure according to claim 6, wherein the speaker sound-proof cover and the microphone sound-proof cover are any one of an EVA foam cover, a PE foam cover, a PU foam cover and an EPDM foam cover.
8. The echo suppressing retractable structure of claim 1, wherein the first, second, third and fourth cushions are any one of TPE and rubber cushions.
9. The echo suppressing, retractable structure of claim 1, wherein the microphone is secured to the inner wall of the device housing by screws or snaps.
10. The echo suppressing sound collecting and releasing structure according to claim 1, wherein the speaker sound outlet is provided at 0 to 45 ° on the inner wall of the device case, and the microphone sound pickup hole is provided at 0 to 45 ° on the inner wall of the device case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020254393.XU CN211791883U (en) | 2020-03-04 | 2020-03-04 | Echo suppression receive and releases sound structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020254393.XU CN211791883U (en) | 2020-03-04 | 2020-03-04 | Echo suppression receive and releases sound structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211791883U true CN211791883U (en) | 2020-10-27 |
Family
ID=72902136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020254393.XU Expired - Fee Related CN211791883U (en) | 2020-03-04 | 2020-03-04 | Echo suppression receive and releases sound structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211791883U (en) |
-
2020
- 2020-03-04 CN CN202020254393.XU patent/CN211791883U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20201027 Termination date: 20210304 |