CN219761245U - Sound box and microphone integrated machine - Google Patents
Sound box and microphone integrated machine Download PDFInfo
- Publication number
- CN219761245U CN219761245U CN202320783278.5U CN202320783278U CN219761245U CN 219761245 U CN219761245 U CN 219761245U CN 202320783278 U CN202320783278 U CN 202320783278U CN 219761245 U CN219761245 U CN 219761245U
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- Prior art keywords
- unit
- sound box
- microphone
- integrated machine
- speaker
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- 238000013016 damping Methods 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Circuit For Audible Band Transducer (AREA)
Abstract
The sound box and microphone integrated machine comprises a handle assembly and a head assembly arranged on the handle assembly, wherein the handle assembly comprises a handle shell, a control circuit board and a power supply unit which are arranged in the handle shell, and the head assembly comprises a mesh cover fixedly arranged at the top end of the handle shell, a microphone unit and a sound box unit which are arranged in the mesh cover; the sound box unit is suspended inside the net cover, the top of the sound box unit is provided with a damping unit, and the microphone unit is arranged on the damping unit. Multiple damping structures are built among the microphone unit, the sound box unit and the mesh enclosure through the first damping washer and the damping unit, and vibration conducted to the microphone unit when the sound box unit plays music is obviously weakened, so that howling is avoided.
Description
Technical Field
The utility model relates to the technical field of electroacoustic, in particular to a sound box and microphone integrated machine.
Background
In addition to arranging the equalizer and the feedback suppressor in hardware, a distance adjustment method can be adopted to eliminate feedback howling of the microphone in the sound system, namely, the farther the microphone is from the speaker, the closer the speaker is to the listener, and the microphone is arranged on the back of the radiation direction of the speaker.
The sound box and microphone integrated machine is a portable sound system for picking up sound of a microphone, which is designed by integrating a sound box and a microphone, and because of the miniaturized and portable design of the product architecture, the vibration generated when the sound box unit plays music is more easily conducted to the microphone unit through a physical way, so that the microphone unit generates self-excitation and positive feedback of sound, and the howling problem of the sound box unit is generated.
Disclosure of Invention
The utility model aims to provide a sound box and microphone integrated machine, wherein a multiple damping structure is constructed between a microphone unit and a sound box unit, so that vibration transmitted to the microphone unit when the sound box unit plays music is weakened, and the problem of howling is solved well.
In order to achieve the above object, the present utility model adopts the following technical scheme.
The sound box and microphone integrated machine comprises a handle assembly and a head assembly arranged on the handle assembly, wherein the handle assembly comprises a handle shell, a control circuit board and a power supply unit, the control circuit board and the power supply unit are arranged in the handle shell, the head assembly comprises a mesh cover fixedly arranged at the top end of the handle shell, a microphone unit and a sound box unit which are arranged in the mesh cover, the power supply unit supplies power for the control circuit board, and the microphone unit and the sound box unit are respectively connected to the control circuit board;
the side edge of the sound box unit is provided with a plurality of ear plates which are arranged around the vertical central line, the inner wall of the net cover is provided with connecting parts which are in one-to-one correspondence with the ear plates, the ear plates are connected with the corresponding connecting parts through screws so that the sound box unit is suspended in the net cover, and a first damping washer is also arranged between the ear plates and the corresponding connecting parts in a cushioning manner;
the top of the sound box unit is provided with a damping unit, and the microphone unit is arranged on the damping unit.
Preferably, the sound box unit comprises two asymmetric speakers which are arranged on the left side and the right side respectively, and the speakers are arranged in a downward inclined mode.
Preferably, the included angle between the central axis of the horn and the horizontal line is larger than 20.5 degrees.
Preferably, the horizontal height misalignment of the two horns is greater than 5.5mm.
Preferably, the projection distance of the central axes of the two horns on the horizontal plane is more than or equal to 0.5mm.
Optionally, the speaker unit further includes two asymmetric bass radiators disposed on the front and rear sides.
Preferably, the damping unit comprises a sound head seat made of silica gel, a containing groove is formed at the top of the sound head seat, the microphone unit is arranged in the containing groove, a plurality of support arms extending outwards are formed on the outer wall of the sound head seat, a second damping washer is arranged at the lower side of the tail end of the support arm, and the tail end of the support arm is connected with the sound box unit through the second damping washer.
Preferably, the arm has at least one curved portion which undulates.
Preferably, damping cotton is arranged between the bottom of the sound head fixing seat and the top of the sound box unit.
Preferably, the outer wall of the net cover is provided with a silica gel decorative ring which is horizontally arranged in a surrounding mode.
Compared with the prior art, the utility model has the beneficial effects that: multiple damping structures are built among the microphone unit, the sound box unit and the mesh enclosure through the first damping washer and the damping unit, and vibration conducted to the microphone unit when the sound box unit plays music is obviously weakened, so that howling is avoided.
The utility model will be further described with reference to the drawings and detailed description.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the assembly of the present utility model.
Fig. 3 is an exploded view of the structure of the present utility model.
Fig. 4 is a schematic structural view of the sound box unit in the present utility model.
Fig. 5 is an assembled schematic view of a speaker unit according to the present utility model.
Detailed Description
As shown in fig. 1 to 5, in one embodiment, the present utility model provides a speaker and microphone integrated machine, which includes a handle assembly 1 and a head assembly 2 disposed on the handle assembly 1, wherein the handle assembly 1 includes a handle housing 11, a control circuit board 12 disposed in the handle housing 11, and a power supply unit 13, the head assembly 2 includes a mesh enclosure 21 fixedly disposed at a top end of the handle housing 11, and a microphone unit 22 and a speaker unit 23 disposed in the mesh enclosure 21, the power supply unit 13 supplies power to the control circuit board 12, and the microphone unit 22 and the speaker unit 23 are respectively connected to the control circuit board 12;
the side edge of the sound box unit 23 is provided with a plurality of ear plates 231 which are arranged around a vertical central line, the inner wall of the net cover 21 is provided with connecting parts 211 which are matched with the ear plates 231 in a one-to-one correspondence manner, the ear plates 231 are connected with the corresponding connecting parts 211 through screws so that the sound box unit 23 is suspended inside the net cover 21, and a first damping washer 24 is also arranged between the ear plates 231 and the corresponding connecting parts 211 in a cushioning manner;
the top of the speaker unit 23 is provided with a damper unit 25, and the microphone unit 22 is mounted on the damper unit 25.
In the above embodiment, the first damping washer 24 is used to prevent the vibration of the speaker unit 23 from being transmitted to the metal mesh, and may be made of a silica gel material to avoid resonance, thereby avoiding howling. Further, the ear plate 231 and the corresponding connecting portion 211 are locked by a screw, and a first damping washer 24 may be additionally arranged between the screw and the ear plate 231 to avoid vibration conduction.
In the above embodiment, the damping unit 25 is used to attenuate the vibration transmitted from the speaker unit 23 to the microphone unit 22, and the first damping washer 24 and the damping unit 25 construct a multiple damping structure among the microphone unit 22, the speaker unit 23 and the mesh enclosure 21, so as to significantly attenuate the vibration transmitted to the microphone unit 22 when the speaker unit 23 plays music, thereby avoiding howling.
In the above embodiment, the handle housing 11 is further provided with a plurality of function keys 14 cooperating with the control circuit board 12, and the power supply unit 13 is preferably a rechargeable battery.
In a preferred embodiment, a windproof cotton 26 surrounding the microphone unit 22 and the sound box unit 23 is arranged inside the mesh enclosure 21, and the bottom and four sides of the sound box unit 23 are matched with the inner wall of the mesh enclosure 21 through the windproof cotton 26. The sound wave transmission obstruction is formed between the sound box unit 23 and the microphone unit 22 through the windproof cotton 26, and the windproof cotton 26 is arranged around the microphone unit 22 and the sound box unit 23 in the mesh enclosure 21 to mainly prevent sound played by the sound box unit 23 from entering the microphone unit 22, so that the principle is that the windproof cotton 26 can reduce the sound played by the sound box unit 23 from being picked up to the microphone unit 22 after being refracted in the mesh enclosure 21 for a plurality of times, and the positive feedback of sound pickup and playing is avoided, so that howling is avoided.
As shown in fig. 2 and 3, based on assembly requirements, the mesh enclosure 21 is designed as an upper mesh cover 21a and a lower mesh cover 21b which are opposite up and down, the upper mesh cover 21a and the lower mesh cover 21b are fastened or screwed with each other, the connecting portion 211 is provided on the inner wall of the lower mesh cover 21b, and the corresponding windproof cotton 26 may be divided into two halves which are respectively matched with the upper mesh cover 21a and the lower mesh cover 21 b.
In a preferred embodiment, as shown in fig. 4 and 5, the speaker unit 23 includes two speakers 232 disposed asymmetrically on the left and right sides, and the speakers 232 are disposed obliquely downward. The purpose is that the two asymmetrical horns 232 are less prone to resonance and that the downward inclination of the horns 232 reduces the conduction of sound to the microphone unit 22.
Specifically, the angle α between the central axis of horn 232 and the horizontal is greater than 20.5 °.
Preferably, the horizontal height offset m of the two horns 232 is greater than 5.5mm.
Preferably, the projection distance of the central axes of the two horns 232 on the horizontal plane is greater than or equal to 0.5mm.
Optionally, the speaker unit 23 further includes two asymmetric bass radiators 233 disposed on the front and rear sides, and the two asymmetric bass radiators 233 are not prone to resonance. Specifically, the two bass radiators 233 may be offset in horizontal height or in horizontal plane, similar to the two horns 232, to achieve the desired asymmetrical configuration.
In a preferred embodiment, the damping unit 25 includes a seat 251 made of silica gel, a receiving groove 252 is formed at the top of the seat 251, and the microphone unit 22 is disposed in the receiving groove 252. In the present embodiment, the microphone unit 22 is preselected as a moving coil sound head, and the moving coil sound head is mounted in the accommodating groove 252 of the sound head base 251, and the sound head base 251 eliminates the conduction vibration between the sound box unit 23 and the moving coil sound head, so as to avoid the occurrence of howling.
Preferably, the speaker base 251 is formed at an outer wall with a plurality of arms 253 extending outward, and the ends of the arms 253 are provided with second damper washers 27 at a lower side, and the ends of the arms 253 are connected to the speaker unit 23 through the second damper washers 27. The support arm 253 keeps the sound head seat 251 stable, and the vibration between the sound box unit 23 and the support arm 253 is eliminated through the second damping washer 27, and the second damping washer 27 can be made of silica gel materials to eliminate the conduction vibration between the sound box unit 23 and the moving coil sound head, so that the howling problem is solved.
Further, the support arm 253 and the speaker unit 23 are locked by a screw, and the screw and the ear plate support arm 253 may be additionally provided with a second damping washer 26 to avoid vibration conduction.
Preferably, the support arm 253 has at least one wavy curved portion, which serves as a vibration damping structure.
Preferably, a damping cotton 28 is arranged between the bottom of the sound head fixing seat and the top of the sound box unit 23 in a cushioning manner, and is used for preventing the sound head seat 251 from being in direct contact with the outer wall of the sound box unit 23, so that vibration of the sound box unit 23 is prevented from being transmitted to the sound head seat 251, and howling is avoided.
In a preferred embodiment, the outer wall of the mesh enclosure 21 is provided with a silica gel decorative ring 29 horizontally arranged in a surrounding manner, and the silica gel decorative ring 29 can be made of noctilucent silica gel, so that the light can be emitted when the light is darker, and better experience is provided for users. Meanwhile, the silica gel decorative ring 29 horizontally arranged in a surrounding way can also form anti-collision protection for the net cover 21.
In a preferred embodiment, the bottom end of the handle assembly 1 forms a rear silicone ring 19 for supporting the handle assembly 1 upright. When the sound box and microphone integrated machine is erected on a desk by utilizing the handle assembly 1, resonance with the desk can be reduced through the tail silica gel ring 19, and the problems of noise and the like are avoided.
It will be apparent to those skilled in the art that the scope of the present utility model is not limited to the details of the above-described exemplary embodiments, and that the embodiments of all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein by those skilled in the art without departing from the spirit or essential characteristics of the utility model.
Claims (10)
1. The sound box and microphone integrated machine comprises a handle assembly and a head assembly arranged on the handle assembly, wherein the handle assembly comprises a handle shell, a control circuit board and a power supply unit, the control circuit board and the power supply unit are arranged in the handle shell, the head assembly comprises a mesh cover fixedly arranged at the top end of the handle shell, a microphone unit and a sound box unit which are arranged in the mesh cover, the power supply unit supplies power for the control circuit board, and the microphone unit and the sound box unit are respectively connected to the control circuit board;
the method is characterized in that:
the side edge of the sound box unit is provided with a plurality of ear plates which are arranged around the vertical central line, the inner wall of the net cover is provided with connecting parts which are in one-to-one correspondence with the ear plates, the ear plates are connected with the corresponding connecting parts through screws so that the sound box unit is suspended in the net cover, and a first damping washer is also arranged between the ear plates and the corresponding connecting parts in a cushioning manner;
the top of the sound box unit is provided with a damping unit, and the microphone unit is arranged on the damping unit.
2. The speaker and microphone integrated machine of claim 1, wherein: the loudspeaker box unit comprises two asymmetric loudspeakers which are arranged on the left side and the right side respectively, and the loudspeakers are arranged in a downward inclined mode.
3. The speaker and microphone integrated machine of claim 2, wherein: the included angle between the central axis of the horn and the horizontal line is larger than 20.5 degrees.
4. The speaker and microphone integrated machine of claim 2, wherein: the horizontal height dislocation of the two horns is more than 5.5mm.
5. The speaker and microphone integrated machine of claim 2, wherein: the projection distance of the central axes of the two horns on the horizontal plane is more than or equal to 0.5mm.
6. The speaker and microphone integrated machine of claim 2, wherein: the sound box unit also comprises two asymmetric bass radiators which are respectively arranged at the front side and the rear side.
7. The speaker and microphone integrated machine of claim 1, wherein: the damping unit comprises a sound head seat made of silica gel, a containing groove is formed at the top of the sound head seat, the microphone unit is arranged in the containing groove, a plurality of support arms extending outwards are formed on the outer wall of the sound head seat, a second damping washer is arranged at the tail end of each support arm at the lower side, and the tail end of each support arm is connected with the sound box unit through the corresponding second damping washer.
8. The speaker and microphone integrated machine as defined in claim 7, wherein: the support arm is provided with at least one section of wavy bending part.
9. The speaker and microphone integrated machine as defined in claim 7, wherein: damping cotton is arranged between the bottom of the sound head fixing seat and the top of the sound box unit.
10. The speaker and microphone integrated machine of claim 1, wherein: the outer wall of the net cover is provided with a silica gel decorative ring which is horizontally arranged in a ring mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320783278.5U CN219761245U (en) | 2023-04-11 | 2023-04-11 | Sound box and microphone integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320783278.5U CN219761245U (en) | 2023-04-11 | 2023-04-11 | Sound box and microphone integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219761245U true CN219761245U (en) | 2023-09-26 |
Family
ID=88071180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320783278.5U Active CN219761245U (en) | 2023-04-11 | 2023-04-11 | Sound box and microphone integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219761245U (en) |
-
2023
- 2023-04-11 CN CN202320783278.5U patent/CN219761245U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |