CN112584279A - Microphone and sound box integrated machine - Google Patents

Microphone and sound box integrated machine Download PDF

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Publication number
CN112584279A
CN112584279A CN202011322530.XA CN202011322530A CN112584279A CN 112584279 A CN112584279 A CN 112584279A CN 202011322530 A CN202011322530 A CN 202011322530A CN 112584279 A CN112584279 A CN 112584279A
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CN
China
Prior art keywords
sound
microphone
speaker
box
audio amplifier
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.)
Pending
Application number
CN202011322530.XA
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Chinese (zh)
Inventor
陈华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Kuzhi Technology Co ltd
Original Assignee
Beijing Kuzhi Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Kuzhi Technology Co ltd filed Critical Beijing Kuzhi Technology Co ltd
Priority to CN202011322530.XA priority Critical patent/CN112584279A/en
Publication of CN112584279A publication Critical patent/CN112584279A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/02Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/08Mouthpieces; Microphones; Attachments therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding

Abstract

The invention relates to a microphone and sound box integrated machine which comprises a microphone component, a sound box component and a handle component which are sequentially stacked and connected; the audio amplifier subassembly includes audio amplifier shell, speaker and reflection cone, the speaker is installed in the audio amplifier shell, the speaker with form independent sealed audio amplifier sound cavity between the audio amplifier shell, the sound production face of speaker dorsad the microphone subassembly sets up, the reflection cone with handle component connects, the protruding direction orientation of reflection cone the sound production face of speaker sets up. The sound volume and the sound quality are improved by adopting a structural design mode of the loudspeaker and the reflecting cone, and howling can be obviously prevented.

Description

Microphone and sound box integrated machine
Technical Field
The invention relates to the technical field of multimedia, in particular to a microphone and sound box all-in-one machine.
Background
There are 3 types of microphone audio amplifier all-in-one in the existing market:
(1) the horn-shaped microphone and sound box integrated machine is commonly called a horn microphone.
(2) Interview type microphone and sound box integrated machine. .
(3) The microphone and sound box integrated machine is in a cup shape, and the sound head can be detached. .
The three types of microphone and sound box all-in-one machines have the following defects:
a. the sound quality of the sound box is poor: the sound box part has no independent sound cavity and no bass radiator, the sound quality of the sound box is poor, especially the loss of low-frequency sound quality is serious, and only sound can be produced. It can also be understood that these three types of microphone and loudspeaker enclosures are only loudspeakers.
b. The howling problem is serious, and the howling cannot be completely avoided: the sound box part and the microphone part are not subjected to damping treatment, and the vibration of the sound box is transmitted back to the microphone to cause squeaking. These 3 types of microphones can only mitigate the howling level by turning down the gain.
c. The wireless K song has poor external sound quality: in order to avoid howling, the gain of the voice is small, so that the voice is not loud when the wireless Bluetooth karaoke is played, the voice is stuffy, and the karaoke is not good in experience. Is simply a loudspeaker.
Disclosure of Invention
The invention aims to provide a microphone and sound box all-in-one machine to solve the problems.
In order to achieve the above purpose of the invention, the following technical scheme is adopted:
a microphone and sound box integrated machine comprises a microphone component, a sound box component and a handle component which are sequentially stacked and connected;
the audio amplifier subassembly includes audio amplifier shell, speaker and reflection cone, the speaker is installed in the audio amplifier shell, the speaker with form independent sealed audio amplifier sound cavity between the audio amplifier shell, the sound production face of speaker dorsad the microphone subassembly sets up, the reflection cone with handle component connects, the protruding direction orientation of reflection cone the sound production face of speaker sets up.
Furthermore, the sound box shell comprises a shell and an upper sound box cover, and the loudspeaker and the upper sound box cover are respectively installed at two ends of the cavity of the shell, so that the independent and sealed sound cavity of the sound box is formed.
Furthermore, sound-absorbing cotton is arranged in the sound box shell.
Furthermore, the microphone subassembly includes prevents spouting cover and sound head, prevent spouting the cover with the audio amplifier shell is connected and is formed the microphone sound chamber, the sound head is installed in the microphone sound chamber.
Furthermore, the blowout prevention cover comprises an internal blowout prevention cotton and a sound net which are sequentially arranged from inside to outside.
Further, the microphone assembly further comprises a sponge cover, and the sponge cover is sleeved on the blowout preventer.
Furthermore, the microphone assembly further comprises a sound head damping support, the sound head damping support is installed in the microphone sound cavity, and the sound head is installed on the sound head damping support.
Furthermore, the sound head shock absorption support is provided with an accommodating cavity for installing the sound head.
Furthermore, a shockproof gasket connected with the loudspeaker is further installed in the sound box shell.
Furthermore, a sound outlet hole is formed in the sound box shell.
By adopting the technical scheme, the invention has the following beneficial effects:
(1) the independent sealed audio amplifier sound chamber is formed in the audio amplifier subassembly, can promote volume and tone quality, and the reason has been solved the forward and mutual interference that takes place of reverse of speaker, solves the problem that sound offsets each other to promote tone quality and volume.
(2) An independent sealed sound cavity of the sound box is formed in the sound box assembly, the reverse sound of the loudspeaker can be collected, and therefore the reverse sound cannot be transmitted to the microphone assembly, and the problem of squeaking is solved.
(3) The sound production face of the loudspeaker is arranged back to the microphone assembly, and sound produced by the loudspeaker cannot be picked up by the microphone assembly, so that the problem of howling is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of the microphone and sound box all-in-one machine provided by the invention.
Fig. 2 is an exploded view of the structure of the microphone and sound box integrated machine provided by the invention.
Fig. 3 is an exploded view of the structure of the sound box assembly provided by the present invention.
Fig. 4 is a schematic cross-sectional view of the speaker assembly according to the present invention.
Fig. 5 is a schematic structural diagram of the sound head damping bracket of the present invention.
Reference numerals: 1-a microphone assembly; 2-a loudspeaker box assembly; 3-a handle assembly; 21-sound box outer casing; 22-a loudspeaker; 23-a reflective cone; 221-a sound production surface; 211-a housing; 212-upper cover of sound box; 213-a cavity; 11-a spray-proof cover; 12-a sound head; 214-a tapered bottom surface; 111-internal cotton blowout preventer; 112-sound net; 13-a sponge cover; 14-a sound head damping support; 141-a mounting seat; 142-a first flexible connecting rib; 143-a first fixed seat; 144-a second flexible connecting rib; 145-a second fixed seat; 4-shockproof pad; 31-a handle; 32-a battery; 33-PCBA; 34-a sleeve; 35-a decorative cover; 36-foot pad; 37-power function button; 38-a light guide; 39-EVA pad; 40-silica gel pad.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1 and 5, the microphone and speaker integrated machine of the present application includes a microphone component 1, a speaker component 2, and a handle component 3, which are sequentially stacked and connected;
loudspeaker box assembly 2 includes audio amplifier shell 21, speaker 22 and reflection cone 23, be equipped with out the sound hole on audio amplifier shell 21, speaker 22 installs in audio amplifier shell 21, form independent sealed audio amplifier sound chamber between speaker 22 and the audio amplifier shell 21, speaker 22's sound production face 221 sets up microphone assembly 1 dorsad, namely, speaker 22 and the reverse 180 degrees settings of microphone assembly 1, reflection cone 23 is connected with handle component 3, the protruding direction of reflection cone 23 sets up towards speaker 22's sound production face 221, reflection cone 23 makes speaker 22 sound production can spread to 360 degrees, form the four-way sound production, handle component 3 is connected with audio amplifier shell 21 installation speaker 22's one end, microphone assembly 1 is connected with the audio amplifier shell 21 other end.
The enclosure 21 includes a housing 211 and a top cover 212, a cavity 213 is disposed in the housing 211, and the speaker 22 and the top cover 212 are respectively disposed at two ends of the cavity 213, so as to form an independent and sealed sound cavity of the sound box, specifically, the top cover 212 is disposed at the top of the cavity 213, and the speaker 22 is disposed at the bottom of the cavity 213.
Be equipped with in casing 211 and inhale the sound cotton, inhale the sound cotton and can increase audio amplifier subassembly 2 percentage of volume to make audio amplifier subassembly 2's low frequency effect better, the lower frequency that the low frequency dive.
The microphone assembly 1 comprises an anti-spraying cover 11 and a sound head 12, wherein the anti-spraying cover 11 is connected with an upper sound box cover 212 to form a microphone sound cavity, the upper sound box cover 212 protrudes towards the microphone sound cavity to form a conical bottom surface 214, the conical bottom surface 214 is used as the conical bottom surface of the microphone sound cavity, the acoustic structure of the microphone sound cavity is changed, and sound is diffused by the conical bottom surface 214 in the microphone sound cavity, so that the sound can be prevented from being reflected in the vertical direction, and the microphone is effectively prevented from being sprayed; moreover, the sound does not cause the sound head 12 to vibrate due to upward reflection, further avoiding howling. The head 12 is a component for sound pickup, also commonly referred to as a microphone.
In order to save cost, the conical bottom surface 214 at the bottom of the microphone cavity shares the upper cover 212 of the sound box, and it should be noted that the microphone cavity and the sound box housing 21 may share or not share the upper cover 212 of the sound box according to practical situations, which is not limited in this embodiment.
The blowout preventer 11 comprises an inner blowout preventer 111 and a sound net 112 which are arranged in sequence from inside to outside, wherein the sound net 112 can be a plastic sound net or a single-layer or double-layer sound net made of metal. The sound net 112 and the inner blowout prevention cotton 111 play roles in filtering noise and saliva, physically decorating and improving the sound collection quality.
The microphone assembly 1 further comprises a sponge cover 13, the sponge cover 13 is sleeved on the blowout prevention cover 11, and the sponge cover 13 has blowout prevention function and beauty enhancement function.
The microphone assembly 1 further comprises a sound head damping bracket 14, wherein the sound head damping bracket 14 is arranged on the conical bottom surface 214 of the microphone sound cavity, and the sound head 12 is arranged in the center of the microphone sound cavity through the sound head damping bracket 14.
The sound head shock absorption bracket 14 comprises a mounting seat 141, a first flexible connecting rib 142, a first fixed seat 143, a second flexible connecting rib 144 and a second fixed seat 145; the mounting seat 141 is provided with an accommodating cavity for mounting the sound head 12; one end of the first flexible connecting rib 142 is connected with the mounting seat 141, and the other end of the first flexible connecting rib 142 is connected with the first fixed seat 143; one end of the second flexible connecting rib 144 is connected with the mounting seat 141, and the other end of the second flexible connecting rib 144 is connected with the second fixed seat 145; the first flexible connecting rib 142 and the second flexible connecting rib 144 are symmetrically arranged.
In this way, because the sound head 12 is fixed in the accommodating cavity of the mounting seat 141, and the first flexible connecting rib 142 and the second flexible connecting rib 144 are symmetrically arranged on both sides of the mounting seat 141, vibration can be effectively eliminated through the first flexible connecting rib 142 and the second flexible connecting rib 144, so that resonance of the sound box assembly 2 to the sound head 12 is reduced, formation of sound positive feedback can be hindered, and the squeaking problem caused by resonance is further eliminated; in addition, the first flexible connecting rib 142 and the second flexible connecting rib 144 are symmetrically arranged on two sides of the mounting seat 141, so that the stability of the mounting seat 141 can be improved, and when the user shakes the sound head 12, the noise generated by shaking the sound head 12 can be reduced.
The sound head damping support 14 may be made of any one of plastic, rubber, and silicone, that is, the sound head damping support 14 may be made of a soft material.
The chamber 213 is also provided with a shockproof pad 4 connected with the loudspeaker 22, which plays a role of buffering and damping vibration.
The handle assembly 3 comprises a handle 31, a battery 32, a PCBA33, a sleeve 34, a decorative cover 35 and a foot pad 36, the battery 32 and the PCBA33 are respectively arranged inside the handle 31, the PCBA33 is connected with the battery 32, the loudspeaker 22 and the sound head 12, the sleeve 34 is arranged on the handle 31, the decorative cover 35 is arranged at the bottom end of the handle 31, the foot pad 36 is arranged on the decorative cover 35, the PCBA33 is provided with a sound box power amplifier module, a microphone digital processing module and a microphone audio decoding module, which are mainly used for realizing the functions of playing, sound processing and the like, wherein, the microphone digital processing circuit and the microphone audio decoding module can be used for audio decoding, sound effect modification and beautification circuits, thereby improving the playing tone quality, for example, when the wireless K song is played outside, the picked voice can be processed, so that the phenomenon of voice quality distortion of the voice can be avoided, better use experience is brought to a user, and the voice quality is further improved; it should be noted that the devices on PCBA33 may be distributed according to actual conditions, and the present embodiment is not limited thereto.
The handle 31 is provided with the power supply function key 37 and the light guide piece 38, the light guide piece 38 and the power supply function key 37 are electrically connected with the PCBA33 respectively, the silica gel pad 40 is arranged between the power supply function key 37 and the PCBA33, the periphery of the bottom of the light guide piece 38 is also provided with the EVA pad 39, and the EVA pad 39 can play a role in shading.
The light guide member 38 can be used for indicating, for example, when the light guide member 38 is in a light emitting state, the microphone and sound box all-in-one machine is started up correspondingly; when the light guide member 38 is in the closed state, the microphone and speaker integrated machine is shut down.
The sound volume and the sound quality are improved by adopting the structural design mode of the loudspeaker 22 and the reflecting cone 23, and howling can be obviously prevented.
The following describes a technique for increasing the volume and sound quality and preventing howling:
A. volume and tone quality are improved:
the enclosure 21 forms an independent sealed enclosure, which can increase the volume and quality of sound, because of the interference of the forward and reverse sound production of the speaker 22, and the problem of mutual cancellation of sound. Thereby improving the tone quality and the volume.
B. The detailed technique for preventing howling is described as follows:
(a) the enclosure 21 forms an independent sealed enclosure cavity that can collect the reverse sound from the speaker 22 so that the reverse sound is not transmitted to the sound head 12, thereby solving the howling problem.
(b) The sound emitting surface 221 of the speaker 22 is arranged back to the microphone assembly 1, just opposite to the sound head 12 by 180 degrees, so that the sound emitted from the speaker 22 is not picked up by the sound head 12, thereby solving the howling problem.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A microphone and sound box integrated machine is characterized by comprising a microphone component, a sound box component and a handle component which are sequentially stacked and connected;
the audio amplifier subassembly includes audio amplifier shell, speaker and reflection cone, the speaker is installed in the audio amplifier shell, the speaker with form independent sealed audio amplifier sound cavity between the audio amplifier shell, the sound production face of speaker dorsad the microphone subassembly sets up, the reflection cone with handle component connects, the protruding direction orientation of reflection cone the sound production face of speaker sets up.
2. The all-in-one microphone and loudspeaker box machine as claimed in claim 1, wherein the loudspeaker box shell comprises a shell body and an upper loudspeaker box cover, and the loudspeaker and the upper loudspeaker box cover are respectively installed at two ends of a cavity body of the shell body, so that the independent sealed loudspeaker box sound cavity is formed.
3. The all-in-one machine of the microphone and the sound box as claimed in claim 1, wherein sound-absorbing cotton is arranged in the sound box shell.
4. The all-in-one machine of claim 1, wherein the microphone assembly comprises a blowout prevention cover and a sound head, the blowout prevention cover is connected with the sound box shell to form a microphone sound cavity, and the sound head is installed in the microphone sound cavity.
5. The all-in-one machine of the microphone and the loudspeaker box as claimed in claim 4, wherein the blowout prevention cover comprises an internal blowout prevention cotton and a sound net which are arranged in sequence from inside to outside.
6. The all-in-one machine of claim 4, wherein the microphone assembly further comprises a sponge hood, and the sponge hood is sleeved on the blowout preventer.
7. The all-in-one machine of claim 4, wherein the microphone assembly further comprises a sound head damping bracket, the sound head damping bracket is installed in the microphone sound cavity, and the sound head is installed on the sound head damping bracket.
8. The all-in-one machine of the microphone and the loudspeaker box as claimed in claim 7, wherein the sound head shock absorption bracket is provided with a containing cavity for installing the sound head.
9. The all-in-one machine of claim 1, wherein a vibration-proof gasket connected with the loudspeaker is further installed in the sound box shell.
10. The all-in-one machine of microphone and sound box as claimed in claim 1, wherein the sound box housing is provided with sound outlet holes.
CN202011322530.XA 2020-11-23 2020-11-23 Microphone and sound box integrated machine Pending CN112584279A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011322530.XA CN112584279A (en) 2020-11-23 2020-11-23 Microphone and sound box integrated machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011322530.XA CN112584279A (en) 2020-11-23 2020-11-23 Microphone and sound box integrated machine

Publications (1)

Publication Number Publication Date
CN112584279A true CN112584279A (en) 2021-03-30

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ID=75123141

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011322530.XA Pending CN112584279A (en) 2020-11-23 2020-11-23 Microphone and sound box integrated machine

Country Status (1)

Country Link
CN (1) CN112584279A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113163283A (en) * 2021-04-16 2021-07-23 当趣网络科技(杭州)有限公司 Microphone
CN114390413A (en) * 2021-12-30 2022-04-22 深圳市爱林瑞电子有限公司 Piezoelectric microphone with high sensitivity
CN115460492A (en) * 2022-11-09 2022-12-09 深圳市康米索数码科技有限公司 Handheld wireless microphone and sound all-in-one machine capable of preventing howling
USD1001107S1 (en) * 2022-09-28 2023-10-10 Shenzhen Xunweijia Technology Development Co., Ltd. Microphone

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113163283A (en) * 2021-04-16 2021-07-23 当趣网络科技(杭州)有限公司 Microphone
CN113163283B (en) * 2021-04-16 2022-10-14 当趣网络科技(杭州)有限公司 Microphone
CN114390413A (en) * 2021-12-30 2022-04-22 深圳市爱林瑞电子有限公司 Piezoelectric microphone with high sensitivity
CN114390413B (en) * 2021-12-30 2023-08-22 深圳市鑫启辉科技发展有限公司 Piezoelectric microphone with high sensitivity
USD1001107S1 (en) * 2022-09-28 2023-10-10 Shenzhen Xunweijia Technology Development Co., Ltd. Microphone
CN115460492A (en) * 2022-11-09 2022-12-09 深圳市康米索数码科技有限公司 Handheld wireless microphone and sound all-in-one machine capable of preventing howling

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