CN212909899U - Can promote intelligent pronunciation audio amplifier of pickup effect - Google Patents
Can promote intelligent pronunciation audio amplifier of pickup effect Download PDFInfo
- Publication number
- CN212909899U CN212909899U CN202021840835.5U CN202021840835U CN212909899U CN 212909899 U CN212909899 U CN 212909899U CN 202021840835 U CN202021840835 U CN 202021840835U CN 212909899 U CN212909899 U CN 212909899U
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- Prior art keywords
- microphone
- loudspeaker
- passive radiator
- pickup effect
- casing
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- 230000000694 effects Effects 0.000 title claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 21
- 229920000742 Cotton Polymers 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
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Abstract
The utility model discloses a can promote intelligent pronunciation audio amplifier of pickup effect, include: the casing, set up loudspeaker, passive radiator, the microphone in the casing, divide into two spaces of mutual sealing through isolating device in the casing, the microphone is located two spaces respectively with loudspeaker, passive radiator. The isolation device is a box body with an opening, the box body covers the peripheries of the loudspeaker and the passive radiator, the opening is in sealing connection with the inner wall of the shell, and a sound outlet is formed in the shell positioned in the opening. The microphone is characterized by further comprising a microphone hole which is arranged on the shell and corresponds to the microphone. The utility model discloses an inner structure design can avoid loudspeaker, passive radiator to the interference of microphone, makes the microphone accurately pick up and carry out effective discernment to external voice command.
Description
Technical Field
The utility model relates to an audio playback equipment especially relates to an intelligent pronunciation audio amplifier that can promote the pickup effect.
Background
At present, an intelligent voice sound box on the market is smaller and smaller, each component in the sound box is more and more compact, and the distance between each component in the sound box is too small, so that a loudspeaker can interfere a microphone. When receiving a voice command, the microphone cannot accurately pick up and effectively recognize the external voice command to be picked up because the distance between the loudspeaker and the microphone is too close, and at this time, sound insulation processing needs to be performed on the loudspeaker and the microphone.
Therefore, how to design an intelligent voice speaker capable of improving sound pickup effect and reducing interference to a microphone is an urgent technical problem to be solved in the industry.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that loudspeaker disturb the microphone greatly among the above-mentioned prior art, the utility model provides a can promote intelligent pronunciation audio amplifier of pickup effect utilizes the inside sound production device of audio amplifier and the structure of microphone isolation of each other, makes it can avoid the mutual interference of sound production device and microphone, makes the microphone can pick up external pronunciation instruction more accurately.
The technical scheme provided by the utility model is, design an intelligent pronunciation audio amplifier that can promote the pickup effect, include: the casing, set up loudspeaker, passive radiator, microphone in the casing, divide into two spaces of mutual sealing through isolating device in the casing, the microphone with loudspeaker, passive radiator are located two spaces respectively.
The isolation device is a box body with an opening, the box body covers the peripheries of the loudspeaker and the passive radiator, the opening is in sealing connection with the inner wall of the shell, and the shell in the opening is provided with a sound outlet.
The microphone is characterized by further comprising a microphone hole which is arranged on the shell and corresponds to the position of the microphone.
The microphone hole is a through hole with the ratio of hole depth to hole diameter being 1 to 1.
The microphone also comprises an annular elastic isolation sleeve wrapping the microphone.
The connection part of the horn and the shell is provided with damping cotton.
And the joint of the passive radiator and the shell is provided with damping cotton.
The elastic isolation sleeve is made of silica gel.
Compared with the prior art, the utility model discloses a design sound production device loudspeaker, passive radiator and the isolating device between the pickup device microphone, reduce the interference of sound production device to the microphone, the distance between sound production device and the microphone is more far away, just also is less to the influence that the microphone produced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of an internal structure of an intelligent voice sound box capable of improving a sound pickup effect according to an embodiment of the present invention;
description of reference numerals: 1. a horn; 2. a passive radiator; 3. a microphone; 4. a noise reduction chip; 5. a Bluetooth master control chip; 6. a power amplifier; 7. a battery; 8. an isolation device.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.
When the intelligent voice sound box receives a voice instruction, the microphone is influenced by noise to a certain degree due to the fact that the distance between the loudspeaker and the microphone is too close, and the external voice instruction cannot be accurately picked up and effectively recognized. To this technical problem, according to the utility model discloses an embodiment provides an intelligent pronunciation audio amplifier that can promote the pickup effect, keeps apart sound production device loudspeaker, passive radiator and microphone inside the audio amplifier each other and seals respectively, makes the microphone can avoid the noise interference of sound production device, makes the audio amplifier can promote the pickup effect of microphone.
As shown in fig. 1, the smart voice speaker capable of improving the sound pickup effect includes a housing, a speaker 1, a passive radiator 2, a microphone 3, a noise reduction chip 4, a bluetooth main control chip 5, a power amplifier 6, and a battery 7.
Loudspeaker 1 and passive radiator 2 are the vocal device, and microphone 3 is used for picking up external pronunciation instruction, and loudspeaker 1, passive radiator 2 and microphone 3 set up respectively in the casing.
The passive radiator 2 is disposed in the vicinity of the horn 1 to enhance the low frequency sound emission effect of the passive radiator 2 by using the rear surface sound emission energy of the horn 1.
Loudspeaker 1, passive radiator 2 meet the department with the casing respectively and are provided with the shock attenuation cotton, the influence to the casing when reducible loudspeaker 1 and passive radiator 2 vibrate.
The sound box also comprises an isolating device 8, the connecting part of the isolating device 8 and the inner wall of the shell is sealed and adhered by glue, the interior of the sound box is divided into two sealed spaces, the microphone 3 is positioned in one space, and the loudspeaker 1 and the passive radiator 2 are positioned in the other space. The isolation device 8 is used for reducing the influence of the sound generated by the loudspeaker 1 and the passive radiator 2 on the microphone 3.
The isolation device 8 comprises an isolation box, the isolation box is a box body with an opening, the box body covers the peripheries of the loudspeaker 1 and the passive radiator 2, the opening is connected with the inner wall of the shell in a sealing mode, and a sound outlet is formed in the shell positioned in the opening.
The isolating device 8 further comprises an isolating plate, the isolating plate is arranged in the shell, the edge of the isolating plate is connected with the inner wall of the shell in a sealing mode, and the shell is isolated into two sealed spaces.
The battery 7 is arranged in the sound box and supplies power to the loudspeaker 1, the passive radiator 2, the power amplifier 6 and the microphone 3 through wires.
The isolating device 8 is provided with a mounting hole for the lead to pass through, and the lead passes through the mounting hole and then is adhered by glue, so that two spaces separated by the isolating device 8 are kept sealed respectively.
The housing and the isolation device 8 may be made of a rigid material, such as plastic, to reduce resonance between the isolation device 8 and the microphone 3.
The casing is provided with a microphone hole which is a circular through hole corresponding to the position of the microphone 3, so that the microphone 3 is communicated with the outside. The ratio of the aperture to the depth of the microphone hole is 1: 1, the appearance of the shell can be beautiful. The microphone hole can increase the pickup distance of the microphone 3 and enhance the pickup effect.
The microphone 3 is communicated with the outside through a microphone hole, an elastic isolation sleeve is arranged on the side face of the microphone, and the elastic isolation sleeve is in a circular ring shape. The inner ring with the smaller inner diameter of the elastic isolation sleeve is attached to the microphone 3 and wraps the side face of the microphone 3, and the front face and the back face of the microphone 3 are exposed.
The elastic isolation sleeve wrapping the side face of the microphone 3 is made of silica gel and used for reducing resonance of the microphone 3 transmitted by the shell when the loudspeaker 1 and the passive radiator 2 vibrate.
The elastic isolation sleeve and the microphone 3 are adhered to the shell through glue.
The noise reduction chip 4 and the Bluetooth main control chip 5 are arranged in the microphone 3 and connected with the microphone 3.
Microphone 3 picks up outside pronunciation instruction after, turn into the signal of telecommunication and transmit to falling the chip 4 of making an uproar and fall the processing of making an uproar, fall the chip 4 of making an uproar and will fall the signal of telecommunication transmission to bluetooth main control chip 5 after the processing of making an uproar, bluetooth main control chip 5 is with signal of telecommunication transmission to external connection equipment (for example cell-phone or computer), corresponding digital signal that the external connection equipment responded after changing the discernment to the signal of telecommunication, digital signal is converted into analog signal through bluetooth main control chip 5, the analog signal is transmitted loudspeaker 1 after 6 enlargies of power amplifier, loudspeaker 1 and passive radiator 2 are played analog signal after the vibration.
The loudspeaker 1 and the passive radiator 2 are designed to be isolated from the microphone 3, so that the loudspeaker 1, the passive radiator 2 and the microphone 3 are separated in two sealed spaces, under the same SER (speech to Echo ratio), namely a voice Echo ratio, the farther the distance between the loudspeaker 1 and the microphone 3 is, the greater the attenuation degree of sound and vibration generated by the loudspeaker 1 and the passive radiator 2 is transmitted to the position of the microphone 3, the smaller the influence on the microphone 3 is, the loudspeaker 1 and the passive radiator 2 are sealed in the isolating device 8, and the microphone 3 can be effectively insulated.
When using intelligent pronunciation audio amplifier, microphone 3 receives external speech signal and turns into the signal of telecommunication, and isolating device 8, elastic isolation cover and casing reduce when intelligent pronunciation audio amplifier the casing and loudspeaker 1 to the interference and the influence that microphone 3 produced. Bluetooth main control chip 5 is connected with external connection equipment through bluetooth wireless signal, and the audio digital signal of receiving changes into analog signal, and power amplifier 6 amplifies the analog signal that Bluetooth main control chip 5 received and changed and transmits for loudspeaker 1, and loudspeaker 1 and passive radiator 2 outwards broadcast analog signal.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a can promote intelligent pronunciation audio amplifier of pickup effect, includes: the loudspeaker, passive radiator, microphone in the casing, its characterized in that, divide into two spaces sealed each other through isolating device in the casing, the microphone with loudspeaker, passive radiator are located two spaces respectively.
2. The intelligent voice sound box capable of improving the sound pickup effect according to claim 1, wherein the isolation device is a box with an opening, the box covers the speaker and the passive radiator, the opening is hermetically connected with the inner wall of the casing, and a sound outlet is formed in the casing inside the opening.
3. The intelligent voice sound box capable of improving the sound pickup effect according to claim 1, further comprising a microphone hole disposed on the casing corresponding to the position of the microphone.
4. The intelligent voice sound box capable of improving the sound pickup effect according to claim 3, wherein the microphone hole is a through hole with a hole depth to hole diameter ratio of 1 to 1.
5. The intelligent voice sound box capable of improving the sound pickup effect according to claim 3, further comprising an annular elastic isolation sleeve wrapping the microphone.
6. The intelligent voice sound box capable of improving the sound pickup effect according to claim 1, wherein a shock absorption cotton is arranged at the joint of the loudspeaker and the shell.
7. The intelligent voice sound box capable of improving the sound pickup effect as claimed in claim 1, wherein a shock absorbing cotton is disposed at a connection part of the passive radiator and the housing.
8. The intelligent voice sound box capable of improving the pickup effect as claimed in claim 5, wherein the elastic isolation sleeve is made of silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021840835.5U CN212909899U (en) | 2020-08-28 | 2020-08-28 | Can promote intelligent pronunciation audio amplifier of pickup effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021840835.5U CN212909899U (en) | 2020-08-28 | 2020-08-28 | Can promote intelligent pronunciation audio amplifier of pickup effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212909899U true CN212909899U (en) | 2021-04-06 |
Family
ID=75251707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021840835.5U Expired - Fee Related CN212909899U (en) | 2020-08-28 | 2020-08-28 | Can promote intelligent pronunciation audio amplifier of pickup effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212909899U (en) |
-
2020
- 2020-08-28 CN CN202021840835.5U patent/CN212909899U/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: 20210406 |