CN219697838U

CN219697838U - Sound microphone

Info

Publication number: CN219697838U
Application number: CN202223242205.XU
Authority: CN
Inventors: 张松虎; 张卫星
Original assignee: Shenzhen Charmbird Technology Co ltd
Current assignee: Shenzhen Charmbird Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-09-15
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses an acoustic microphone, comprising: the sound box comprises a main shell, a sound box and a main control circuit board, wherein the sound box and the main control circuit board are arranged in the main shell, a microphone is arranged at the upper part of the sound box through a damping mounting base, a first loudspeaker and a second loudspeaker are symmetrically arranged at two sides of the sound box, a sound insulation plate is arranged between the first loudspeaker and the second loudspeaker, and a bass vibrating diaphragm is further arranged on the sound box at one side in the vertical direction of a connecting line of the first loudspeaker and the second loudspeaker; the lower end of the main shell is provided with a handle, a battery and a key circuit board are arranged in the handle, and a plurality of control keys are arranged on the handle through the key circuit board. The vibration reduction effect can be achieved through the vibration reduction mounting base, and howling is prevented; the effect of reinforcing bass can be played to the setting bass vibrating diaphragm, and two speaker support sets up the acoustic celotex board and can eliminate because of the symmetry sets up you produce low audio frequency crosstalk and low frequency resonance in the audio amplifier, and the acoustic celotex board through-hole concentrates the enhancement and middle-high audio frequency to play and optimize tone quality effect, promoted user experience.

Description

Sound microphone

Technical Field

The utility model relates to the technical field of acoustic microphones, in particular to an acoustic microphone.

Background

In order to adapt to live broadcasting and live performance of outdoor ground scenes, the existing live broadcasting microphone is often used by being matched with an external loudspeaker box or other equipment; therefore, the applicant provides a microphone audio amplifier integrative equipment, is in including control unit, main part sound chamber and connection microphone subassembly on the main part sound chamber, install at least two speakers that the symmetry set up in the main part sound chamber, microphone subassembly includes microphone and microphone mount pad, the microphone reaches the speaker respectively with the control unit electricity is connected. Through the structural design of speaker and microphone, can make microphone and audio amplifier unite two into one under the condition that does not change and promote tone quality even, accomplish portably small and exquisite, have direct karaoke effect again, let people can enjoy singing anytime and anywhere, enjoy the enjoyment that the music brought.

The existing sound microphone has the problems that the low-frequency crosstalk and low-frequency resonance are easy to generate in the sound box due to the adoption of the two symmetrically arranged loudspeakers, and in addition, the howling is easy to generate due to the fact that the main sound cavity and the microphone are too close to each other, sound waves of the sound cavity are transmitted to the microphone through the structure and air. Therefore, there is a need for further optimizing the existing acoustic microphone structure, optimizing sound quality and improving user experience.

Disclosure of Invention

The utility model aims to provide an acoustic microphone which can effectively improve sound quality and user experience.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

an acoustic microphone, comprising: the sound box comprises a main shell, a sound box and a main control circuit board, wherein the sound box and the main control circuit board are arranged in the main shell, a microphone is arranged on the upper part of the sound box through a damping mounting base, a first loudspeaker and a second loudspeaker are symmetrically arranged on two sides of the sound box, a sound insulation plate is arranged between the first loudspeaker and the second loudspeaker, and a bass vibrating diaphragm is further arranged on one side of the sound box in the vertical direction of a connecting line of the first loudspeaker and the second loudspeaker; the handle is arranged at the lower end of the main shell, a battery and a key circuit board are arranged in the handle, and a plurality of control keys are arranged on the handle through the key circuit board.

Further, the sound box comprises a sound box lower shell and a sound box upper shell, the first loudspeaker and the second loudspeaker are respectively arranged in two mutually symmetrical mounting station holes on the side wall of the sound box lower shell, and the bass diaphragm is arranged in the mounting station hole on one side of the perpendicular direction of the connecting line of the first loudspeaker and the second loudspeaker.

Specifically, the inside bottom of casing is provided with the slot under the audio amplifier, the lower extreme setting of acoustic celotex board is in the slot, acoustic celotex board upper portion is provided with the acoustic celotex board screw hole, the acoustic celotex board screw hole connection is fixed shells inner wall on the audio amplifier.

Specifically, the sound insulation board divides the sound box into two sound cavities, each sound cavity is respectively provided with the first loudspeaker and the second loudspeaker, and a plurality of sound board through holes are formed in the sound insulation board.

Further, the shock attenuation mounting base is including being used for the installation the microphone holding groove of microphone holding groove the periphery wall annular is provided with a plurality of circumference connecting blocks be provided with the circumference fixed block between the circumference connecting block, be provided with the fixed slot on the circumference fixed block respectively, the fixed slot direction with microphone holding groove opposite direction.

Further, the upper end of the upper shell of the sound box is provided with a microphone installation station, a fixed support block is arranged on the upper shell of the sound box around the microphone installation station, and the fixed support block is matched with a fixed groove of the damping installation base.

Further, the centre of main control circuit board is provided with central through-hole, the microphone wears to establish install behind the central through-hole on the shock attenuation mounting base, the last casing upper end of audio amplifier still is provided with a plurality of circuit board fixed columns, the main control circuit board passes through the fix with screw on the circuit board fixed column.

Optionally, the main casing comprises last casing and lower casing, corresponds the microphone is provided with the top orifice plate, corresponds first speaker, second speaker, bass vibrating diaphragm are provided with the side orifice plate respectively.

Further, the upper end of the handle is fixed at the lower end of the main shell through a connecting seat, the lower end of the handle is provided with an end cover body, and the lower end of the end cover body is provided with an audio interface and a USB interface; the USB interface is connected with the charging circuit board in the end cover body.

Optionally, a DSP processor is integrally disposed in the main control circuit board, and a mixing processing module, a data storage device and a wireless communication module connected with the DSP processor are provided.

By adopting the technical scheme, the sound box microphone has the function of vibration reduction by arranging the vibration reduction mounting base, and can prevent the occurrence of howling; can play the effect of reinforcing bass through setting up the bass vibrating diaphragm, two speaker supports set up the acoustic celotex board, can eliminate because of the symmetry set up you produce low audio frequency crosstalk and low frequency resonance in the audio amplifier, and the acoustic celotex board through-hole concentrates the enhancement and middle-high audio frequency to play and optimize tone quality effect, promoted user experience.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a front view of an acoustic microphone according to the present utility model;

fig. 2 is a three-dimensional structure diagram of an acoustic microphone according to the present utility model;

fig. 3 is a three-dimensional exploded view of an acoustic microphone according to the present utility model;

FIG. 4 is a partially exploded three-dimensional view of a microphone in accordance with the present utility model;

FIG. 5 is a partially exploded three-dimensional view of a second embodiment of the acoustic microphone of the present utility model;

FIG. 6 is a partially exploded three-dimensional block diagram of an acoustic microphone according to the present utility model;

FIG. 7 is a three-dimensional block diagram of a shock mount base of the present utility model;

FIG. 8 is a second three-dimensional view of the shock mount base of the present utility model;

FIG. 9 is a schematic block diagram of a control circuit of an acoustic microphone according to the present utility model;

in the figure, 10-sound microphones, 11-upper shell, 12-lower shell, 13-handle, 14-connecting seat, 15-end cover, 16-side hole plate, 17-top hole plate, 18-play key, 19-mode switching key, 110-select key, 111-mute key, 112-microphone volume key, 113-reverberation volume key, 114-audio interface, 115-USB interface, 116-microphone, 117-shock mount base, 118-main control circuit board, 1181-center through hole, 119-sound box upper shell, 1191-microphone mount station, 1192-fixed support block, 1193-circuit board fixed column, 120-sound box lower shell, 1201-slot, 121-first speaker, 122-second speaker, 123-bass diaphragm, 124-acoustic panel, 1241-soundboard through hole, 1242-soundboard screw hole, 125-key circuit board, 126-key support board, 127-charging circuit board, 128-battery;

1171-microphone accommodation groove 1172-circumferential connection block, 1173-circumferential fixing block, 1174-fixing groove, 1175-circular arc hole.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

As shown in fig. 1 to 4, an embodiment of the present utility model provides an acoustic microphone 10, including: the sound box comprises a main shell, a sound box and a main control circuit board 118, wherein the sound box and the main control circuit board 118 are arranged in the main shell, a microphone 116 is arranged at the upper part of the sound box through a damping mounting base 117, a first loudspeaker 121 and a second loudspeaker 122 are symmetrically arranged at two sides of the sound box, a sound insulation plate 124 is arranged between the first loudspeaker 121 and the second loudspeaker 122, and a bass diaphragm 123 is further arranged on one side of the sound box in the vertical direction of a connecting line of the first loudspeaker 121 and the second loudspeaker 122; the lower end of the main housing is provided with a handle 13, a battery 128 and a key circuit board 125 are arranged in the handle 13, and a plurality of control keys are arranged on the handle through the key circuit board 125. As shown in fig. 3 and 4, the sound box includes a sound box lower housing 120 and a sound box upper housing 119, the first speaker 121 and the second speaker 122 are respectively disposed in two mutually symmetrical mounting station holes on the side wall of the sound box lower housing 120, and the bass diaphragm 123 is mounted in the mounting station hole on one side of the vertical direction connecting with the first speaker 121 and the second speaker 122.

Specifically, the bottom of the inner side of the lower enclosure 120 of the speaker is provided with a slot 1201, the lower end of the sound insulation board 124 is disposed in the slot 1201, the upper portion of the sound insulation board 124 is provided with a sound board screw hole 1242, and the sound board screw hole 1242 is fixedly connected to the inner wall of the upper enclosure 119 of the speaker.

Specifically, the sound-insulating board 124 divides the interior of the sound box into two sound cavities, each of the sound cavities is respectively provided with the first speaker 121 and the second speaker 122, and the sound-insulating board 124 is provided with a plurality of sound-insulating board through holes 1241.

Optionally, the first speaker 121 and the second speaker 122 face two directions respectively, and an included angle between the first speaker 121 and the second speaker 122 is 45-180 degrees.

As shown in fig. 7 and 8, the shock absorbing mounting base 117 includes a microphone accommodating groove 1171 for mounting the microphone 116, a plurality of circumferential connection blocks 1172 are annularly disposed on an outer peripheral wall of the microphone accommodating groove 1171, circumferential fixing blocks 1173 are disposed between the circumferential connection blocks 1172, fixing grooves 1174 are respectively disposed on the circumferential fixing blocks 1173, and the direction of the fixing grooves 1174 is opposite to that of the microphone accommodating groove 1171.

Specifically, an arc hole 1175 is provided between the circumferential fixing block 1173 and the outer peripheral wall of the microphone accommodating groove 1171, and two ends of the arc hole 1175 extend between adjacent circumferential connection blocks 1172. One end of the circumferential connection block 1172 is connected with the upper end of the circumferential fixing block 1173, the other end is connected with the lower end of the circumferential fixing block 1173, and the circumferential connection block 1172 is perpendicular to the microphone mounting direction and has a sine wave structure between two adjacent circumferential fixing blocks 1173. Specifically, the number of the circumferential connection blocks 1172 and the number of the circumferential fixing blocks 1173 are three, and the circumferential connection blocks 1172 and the circumferential fixing blocks are sequentially distributed at intervals around the outer peripheral wall of the microphone accommodating groove 1171.

Optionally, the microphone accommodating groove 1171, the circumferential connection block 1172, and the circumferential fixing block 1173 are integrally formed from plastic, rubber, or silica gel with a hardness HRR less than 100.

Through circumference connecting block, circumference fixed block around the microphone mounting groove setting, and form the clearance through the circular arc hole between circumference fixed block and microphone mounting groove, the vibration of audio amplifier passes through circumference connecting block earlier after passing into from circumference fixed block, because circumference connecting block circumference encircles setting and sine wave type structure, sine wave type can be according to audio amplifier vibration frequency adjustment wavelength, thereby can offset the influence of vibration to the microphone furthest, in addition, the mounting base adopts the plastic of elasticity energy-absorbing, rubber or silica gel material to make, thereby can play the effect of damping, prevent the emergence of howling.

As shown in fig. 5 and 6, a microphone mounting station 1191 is disposed at the upper end of the upper enclosure 119, and a fixed support block 1192 is disposed on the upper enclosure 119 around the microphone mounting station 1191, and the fixed support block 1192 is matched with a fixing groove 1174 of the shock absorbing mounting base 117.

As shown in fig. 5 and 6, a central through hole 1181 is provided in the middle of the main control circuit board 118, the microphone 116 is installed on the shock absorbing installation base 117 after penetrating through the central through hole 1181, a plurality of circuit board fixing columns 1193 are further provided at the upper end of the upper casing 119 of the sound box, and the main control circuit board 118 is fixed on the circuit board fixing columns 1193 through screws.

Optionally, the underside of the main control circuit board 118 is in pressing contact with the upper side of the circumferential fixing block 1173, so as to press the shock absorbing mounting base 117 on the fixing support block 1192.

Optionally, the main housing is composed of an upper housing 11 and a lower housing 12, a top orifice 17 is disposed corresponding to the microphone 116, and side orifice plates 16 are disposed corresponding to the first speaker 121, the second speaker 122, and the bass diaphragm 123, respectively.

As shown in fig. 3 and 4, the upper end of the handle 13 is fixed at the lower end of the main casing through a connecting seat 14, an end cover 15 is arranged at the lower end of the handle 13, and an audio interface 114 and a USB interface 115 are arranged at the lower end of the end cover 15; the USB interface 115 is connected to a charging circuit board 127 in the end cap body 15. The USB interface 115 may be a micro-USB interface or a TYPE-C interface.

As shown in fig. 3 and 4, the key circuit board 125 is provided with a play key 18, a mode switch key 19, a select key 110, and a mute key 111 in sequence through a key support board 126.

Optionally, the key circuit board 125 is provided with a microphone volume key 112 and a reverberation volume key 113 on two sides of the handle 13.

As shown in fig. 9, the main control circuit board 118 is provided with a DSP processor, and a mixing processing module, a data storage device and a wireless communication module connected with the DSP processor.

Specifically, the wireless communication module comprises at least one of an FM transceiver, an UHF transceiver, a Bluetooth communication module and a WiFi communication device. Specifically, the WiFi communication device is a 2.4G wireless module and/or a 5G WiFi communication module.

According to the sound box microphone provided by the embodiment of the utility model, the vibration reduction effect can be achieved by arranging the vibration reduction mounting base, and the occurrence of howling is prevented; can play the effect of reinforcing bass through setting up the bass vibrating diaphragm, two speaker supports set up the acoustic celotex board, can eliminate because of the symmetry set up you produce low audio frequency crosstalk and low frequency resonance in the audio amplifier, and the acoustic celotex board through-hole concentrates the enhancement and middle-high audio frequency to play and optimize tone quality effect, promoted user experience.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. An acoustic microphone, comprising: the sound box comprises a main shell, a sound box and a main control circuit board, wherein the sound box and the main control circuit board are arranged in the main shell, a microphone is arranged on the upper part of the sound box through a damping mounting base, a first loudspeaker and a second loudspeaker are symmetrically arranged on two sides of the sound box, a sound insulation plate is arranged between the first loudspeaker and the second loudspeaker, and a bass vibrating diaphragm is further arranged on one side of the sound box in the vertical direction of a connecting line of the first loudspeaker and the second loudspeaker; the handle is arranged at the lower end of the main shell, a battery and a key circuit board are arranged in the handle, and a plurality of control keys are arranged on the handle through the key circuit board.

2. The acoustic microphone of claim 1 wherein the enclosure comprises an enclosure lower housing and an enclosure upper housing, the first speaker and the second speaker are disposed in two mutually symmetrical mounting station holes in a side wall of the enclosure lower housing, respectively, and the bass diaphragm is mounted in one of the mounting station holes in a direction perpendicular to a line connecting the first speaker and the second speaker.

3. The acoustic microphone of claim 2, wherein a slot is provided at the bottom of the inner side of the lower casing of the sound box, the lower end of the sound insulation board is disposed in the slot, and a sound board screw hole is provided at the upper part of the sound insulation board, and the sound board screw hole is fixedly connected to the inner wall of the upper casing of the sound box.

4. The acoustic microphone of claim 1 wherein the baffle plate divides the interior of the sound box into two sound chambers, each of the sound chambers being provided with the first speaker and the second speaker, respectively, and the baffle plate being provided with a plurality of baffle plate through holes.

5. The acoustic microphone according to claim 1, wherein the vibration damping mounting base includes a microphone accommodating groove for mounting the microphone, a plurality of circumferential connection blocks are annularly provided on an outer peripheral wall of the microphone accommodating groove, circumferential fixing blocks are provided between the circumferential connection blocks, fixing grooves are provided on the circumferential fixing blocks, and a direction of the fixing grooves is opposite to a direction of the microphone accommodating groove.

6. The acoustic microphone of claim 5 wherein a microphone mounting station is provided at the upper end of the upper enclosure of the enclosure, and a fixed support block is provided on the upper enclosure of the enclosure around the microphone mounting station, the fixed support block being interfitted with the fixed slot of the shock absorbing mounting base.

7. The sound microphone as claimed in claim 5, wherein a central through hole is formed in the middle of the main control circuit board, the microphone is installed on the shock absorption installation base after penetrating through the central through hole, a plurality of circuit board fixing columns are further arranged at the upper end of the upper shell of the sound box, and the main control circuit board is fixed on the circuit board fixing columns through screws.

8. The acoustic microphone of claim 1, wherein the main housing is composed of an upper housing and a lower housing, a top aperture plate is provided corresponding to the microphone, and side aperture plates are provided corresponding to the first speaker, the second speaker, and the bass diaphragm, respectively.

9. The acoustic microphone of claim 1, wherein the upper end of the handle is fixed to the lower end of the main housing through a connecting seat, an end cover body is arranged at the lower end of the handle, and an audio interface and a USB interface are arranged at the lower end of the end cover body; the USB interface is connected with the charging circuit board in the end cover body.

10. The sound microphone as claimed in claim 1, wherein the main control circuit board is provided with a DSP processor, and the mixing processing module, the data storage device and the wireless communication module are connected with the DSP processor.