CN209057344U

CN209057344U - Integral multifunctional microphone speaker

Info

Publication number: CN209057344U
Application number: CN201821607773.6U
Authority: CN
Inventors: 秦敬平
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2019-07-02
Anticipated expiration: 2028-09-30

Abstract

The utility model provides integral multifunctional microphone speaker, it includes voice box casing, sound pick-up and loudspeaker assembly；The voice box casing is hollow column structure, is equipped with main control board, rechargeable battery and audio seat subplate in the voice box casing, the sound pick-up is set at the top of voice box casing, the loudspeaker assembly is set to voice box casing bottom, and the main control board is electrically connected audio seat subplate, rechargeable battery, sound pick-up and loudspeaker.The utility model structure novel, microphone structure and loudspeaker box structure are combined into one, and not only solve microphone and speaker wire rod connects cumbersome problem, and is easy to operate, can be realized microphone loudspeaking and audio playing function, are suitable for a wide range of promote and apply.

Description

Integral multifunctional microphone speaker

Technical field

The utility model relates to technical field of electronic products more particularly to a kind of integral multifunctional microphone speakers.

Background technique

Current speaker is powerful because of its compact based on portable loudspeaker box, easy to use, increasingly by The favor of user.But above-mentioned speaker has a single function mostly, can only play music, the speaker with Bluetooth function Compare dull, it is difficult to meet the needs of user is different.

In addition, present microphone can only be attached by tone frequency channel wire and speaker, however, microphone is connected using tone frequency channel wire Speaker is connect, not only due to it is comparatively laborious when the too long attended operation of the wire rods such as tone frequency channel wire, but also sound quality can be damaged, and be also easy to It is interfered by ac signal, the problems such as noise occurs.Therefore, needing one kind in the market can be by the Mike with pickup function Wind, with the multifunctional equipment combined with playing function speaker.

Utility model content

The purpose of this utility model is that effectively overcoming the shortcomings of above-mentioned technology, a kind of teaching wireless microphone is provided, It not only has bluetooth playing function, but also the integral multifunctional microphone speaker with microphone voice sound amplification function.

The technical solution of the utility model is achieved in that integral multifunctional microphone speaker, it includes speaker shell Body, sound pick-up and loudspeaker assembly；The voice box casing is hollow column structure, is equipped with governor circuit in the voice box casing Plate, rechargeable battery and audio seat subplate, the sound pick-up are set at the top of voice box casing, and the loudspeaker assembly is set to speaker shell Body bottom, and the main control board is electrically connected audio seat subplate, rechargeable battery, sound pick-up and loudspeaker.

In above structure, the voice box casing mutually splices fastening by front housing and rear shell and forms and at the top of voice box casing Pickup chamber is formed, pickup chamber upper end is formed with an opening portion, and it is intracavitary and be fixedly arranged on opening that the sound pick-up is placed in pickup Portion；Speaker cavity is formed on voice box casing bottom, and the speaker cavity lower end forms an installing port, and the loudspeaker assembly is set It is intracavitary in speaker and be fixedly arranged on installing port.

In above structure, the pickup chamber outer cup be equipped with pickup chamber decoration, the shape of the pickup chamber decoration with The shape of pickup chamber matches, and pickup chamber decoration is located at the position in opening portion and is additionally provided with pickup chamber mesh enclosure and pickup chamber net Cover stent, pickup chamber mesh enclosure are installed in the outside in open portion by pickup chamber mesh enclosure support.

In above structure, the loudspeaker assembly includes the fixed bracket of loudspeaker, oscillating plate and oscillating plate, the loudspeaker Intracavitary set on speaker, the oscillating plate is installed on the installing port of speaker cavity by the fixed bracket of the oscillating plate；Institute Speaker cavity outer cup is stated equipped with speaker cavity decoration, the shape and speaker cavity of the speaker cavity decoration Shape match, speaker cavity decoration is offered relative to border vertical direction local location in front of loudspeaker and is amplified Hole, it acts as the Spreading and diffusion of loudspeaker sound, and speaker cavity decoration is located at the position of installing port and is additionally provided with loudspeaking Device sound chamber mesh enclosure and speaker cavity mesh enclosure support, the speaker cavity mesh enclosure are installed in by speaker cavity mesh enclosure support The installing port of speaker cavity；Also, speaker cavity mesh enclosure support extends outward multiple stabilizer blades, the stabilizer blade in the present embodiment Quantity is three and is distributed along speaker cavity mesh enclosure support outer rim that above-mentioned stabilizer blade can not only play vertical support product Effect, moreover it is possible to according to the principle of acoustics, the sound that loudspeaking issues preferably is released.

In above structure, the voice box casing is equipped with button assembly；The button assembly include keypress function circuit board, Button cap, key cap holder and key cover；The keypress function circuit board and the main control board are electrically connected, described Button cap is installed on keypress function circuit plate end face by key cap holder, the key cover be covered on button cap and by The position that keyboard lid corresponds to button cap offers key hole；Decorative ends are additionally provided on the outside of key cover.

In above structure, the outer middle side part of the voice box casing is equipped with the receiving side for accommodating the button assembly, institute It states and accommodates the rounded square type of side section, button assembly assembly is in receiving side.

In above structure, audio transmission port and charging interface are additionally provided on the outside of the voice box casing；The audio passes Defeated port and charging interface and the main control board are electrically connected and audio transmission port by transmission line is connected to external sound Source device.

In above structure, the main control board is equipped with MIC preprocessing module, DSP processing module, power amplifier module, indigo plant Tooth module, charge management module and key module, the DSP processing module and MIC preprocessing module, power amplifier module, bluetooth Module, charge management module and key module are electrically connected；The MIC preprocessing module is electrically connected with sound pick-up, is used for The collected signal of sound pick-up is pre-processed and is converted into analog signal and is sent to DSP processing module；Wherein, at DSP It manages module and is used for audio decoder, analog signal is sent into after DSP processing module carries out digital processing and exports DAC analog signal to power amplifier Module；The loudspeaker assembly and power amplifier module are electrically connected, and the DAC analog signal received is passed through loudspeaker by power amplifier module Component plays out；The bluetooth module is used to carry out bluetooth connection with external equipment.

In above structure, the audio seat subplate is equipped with TF card slot and USB interface.

The utility model has the beneficial effects that: microphone voice sound amplification function and bluetooth are played function by the utility model It can become one, can not only be played out the audio signal received through loudspeaker assembly by bluetooth module, and Collected signal can be sent to loudspeaker after MIC preprocessing module, DSP processing module are handled by sound pick-up It is played out on component.Also, it is additionally provided with audio seat subplate, the TF card socket and USB jack on audio seat subplate can be passed through Realize the broadcasting of various tone sources.The utility model structure novel, microphone structure and loudspeaker box structure are combined into one, and are not only solved Determined microphone and speaker wire rod connects cumbersome problem, and easy to operate, can be realized microphone loudspeaking and audio plays Function is suitable for a wide range of promotes and applies.

[Detailed description of the invention]

Fig. 1 is the constructive embodiment schematic diagram of the utility model；

Fig. 2 is the fractionation constructive embodiment schematic diagram of the utility model；

Fig. 3 is the circuit block diagram of the utility model；

Fig. 4 is the DSP processing module circuit diagram of the utility model；

Fig. 5 is the MIC preprocessing module circuit diagram of the utility model；

Fig. 6 is the power amplifier modular circuit figure of the utility model；

Fig. 7 is the charge management module circuit diagram of the utility model；

Fig. 8 is the bluetooth module circuit diagram of the utility model.

In figure: voice box casing 1, sound pick-up 2, loudspeaker assembly 3, button assembly 4, main control board 5, rechargeable battery 6, sound Frequency seat subplate 7, audio transmission port 8, front housing 10, rear shell 11, pickup chamber 12, opening portion 121, speaker cavity 13, installing port 131, pickup chamber decoration 20, pickup chamber mesh enclosure 21, pickup chamber mesh enclosure support 22, speaker cavity decoration 30, amplify hole 301, the fixed bracket 33 of loudspeaker 31, oscillating plate 32, oscillating plate, speaker cavity mesh enclosure 34, speaker cavity mesh enclosure support 35, Stabilizer blade 351, keypress function circuit board 40, button cap 41, key cap holder 42, key cover 43, decorative ends 44, MIC locate in advance Manage module 51, DSP processing module 52, power amplifier module 53, bluetooth module 54, charge management module 55, TF card slot 70.

[specific embodiment]

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

As shown in Figures 1 to 8, integral multifunctional microphone speaker, it includes voice box casing 1, sound pick-up 2 and loudspeaking Device assembly 3；Voice box casing 1 is hollow column structure, and pickup chamber 12, electronics chamber (figure are mainly provided with inside the voice box casing 1 Do not show) and speaker cavity 13, wherein the electronics of voice box casing 1 is intracavitary to be equipped with main control board 5, rechargeable battery 6 and sound Frequency seat subplate 7, and main control board 5 is electrically connected audio seat subplate 7, rechargeable battery 6, sound pick-up 2 and loudspeaker 3.Pickup Device 2 is mounted in pickup chamber 12, and sound pick-up 2 is moving-coil type or condenser pick-up.Loudspeaker assembly 3 is installed on speaker cavity In 13.

Preferably, as shown in Fig. 2, voice box casing 1 is by front housing 10 and the mutually splicing fastening of rear shell 11 forms and speaker shell Pickup chamber 12 is formed at the top of body 1,12 upper end of pickup chamber is formed with an opening portion 121, and sound pick-up 2 is placed in pickup chamber 12 and solid Set on open portion 121.Speaker cavity 13 is formed on 1 bottom of voice box casing, and 13 lower end of speaker cavity forms an installing port 131, Loudspeaker assembly 3 is placed in speaker cavity 13 and is fixedly arranged on installing port 121.

Further, 12 outer cup of pickup chamber is equipped with pickup chamber decoration 20, and pickup chamber decoration 20 is lower ending opening Cylindrical structure, pickup chamber decoration 20 is set in the outside of pickup chamber 12, and pickup chamber decoration 20 is located at opening portion 121 Position is additionally provided with pickup chamber mesh enclosure 21 and pickup chamber mesh enclosure support 22, and pickup chamber mesh enclosure 21 is filled by pickup chamber mesh enclosure support 22 Set on the outside in open portion 121.

Preferably, loudspeaker assembly 3 includes the fixed bracket 33 of loudspeaker 31, oscillating plate 32 and oscillating plate, and loudspeaker 31 is set In in speaker cavity 13, oscillating plate 32 is installed on the installing port 131 of speaker cavity 13 by the fixed bracket 33 of oscillating plate.It raises 13 outer cup of sound device sound chamber is equipped with speaker cavity decoration 30, and speaker cavity decoration 30 is the cylindrical knot of upper end opening Structure and the outside for being set in speaker cavity 13, speaker cavity decoration 30 is relative to 31 front border vertical direction of loudspeaker Local location offers the hole 301 that amplifies, and it acts as the Spreading and diffusions of loudspeaker sound.Further, speaker cavity is decorated The position that part 30 is located at installing port 131 is additionally provided with speaker cavity mesh enclosure 34 and speaker cavity mesh enclosure support 35, speaker Chamber mesh enclosure 34 is installed in the installing port 131 of speaker cavity 13 by speaker cavity mesh enclosure support 35.Also, it is located at loudspeaker Border vertical direction is locally equipped with through-hole in front of loudspeaker at sound chamber mesh enclosure support 35, and it acts as 31 sound transmissions of loudspeaker Diffusion.Speaker cavity mesh enclosure support 35 extends outward multiple stabilizer blades 351,351 quantity of stabilizer blade in the present embodiment be three, And be distributed along 35 outer rim of speaker cavity mesh enclosure support, above-mentioned stabilizer blade 351 can not only play the role of vertical support product, The sound that loudspeaker 31 issues can also preferably be released according to the principle of acoustics.

Preferably, as shown in Fig. 2, voice box casing 1 is equipped with button assembly 4；Wherein, the outer middle side part of voice box casing 1 is equipped with For accommodating the receiving side (not shown) of button assembly 4, the rounded square type of side section is accommodated, 4 assembly of button assembly is in appearance It receives in side.Further, button assembly 4 includes keypress function circuit board 40, button cap 41, key cap holder 42 and key Cover 43.Keypress function circuit board 40 and main control board 5 are electrically connected, button cap 41 by key cap holder 42 be installed on by 40 end face of key function circuit board, key cover 43 is covered on button cap 41 and the position of the corresponding button cap 41 of key cover 43 Key hole (not shown) is offered, the outside of key cover 43 is additionally provided with decorative ends 44.

Preferably, audio transmission port 8 and charging interface (not shown) are additionally provided on the outside of voice box casing 1；Audio transmission Port 8 and charging interface and main control board 5 are electrically connected and audio transmission port 8 is connected to external sound source by transmission line Equipment.

Preferably, as shown in Figures 3 to 8, main control board 5 be equipped with MIC preprocessing module 51, DSP processing module 52, Power amplifier module 53, bluetooth module 54, charge management module 55 and key module (not shown).Bluetooth module 54 is used for and outside Equipment carries out bluetooth connection, and charge management module 55 is attached with rechargeable battery 6, for being powered for above-mentioned module, presses The connection of key module and control button component 4 just do not tire out one by one chat here since the part is the prior art.Further, DSP Processing module 52 and MIC preprocessing module 51, power amplifier module 53, bluetooth module 54, charge management module 55 and key module It is electrically connected；Wherein, MIC preprocessing module 51 and sound pick-up 2 be electrically connected, for by the collected signal of sound pick-up 2 into Row, which pre-processes and is converted into analog signal, is sent to DSP processing module 52.Decoding and place of the DSP processing module 52 for audio Reason is sent to DSP processing module 52 by the analog signal that MIC preprocessing module 51 is converted and carries out digital processing, and processing is completed Output DAC analog signal is played out to power amplifier module 53, then by loudspeaker assembly 3 afterwards.

Preferably, audio seat subplate 7 is equipped with TF card slot 70 and USB interface (not shown), and TF card slot 70 is used for It is inserted into SD or TF card, USB port with external equipment by data line for being attached.

Described above is only the preferred embodiment of the utility model, and above-mentioned specific embodiment is not to the utility model Limitation.In the technical idea scope of the utility model, various modifications and modification, the ordinary skill of all this fields can occur Retouching, modification or the equivalent replacement that personnel are made as described above belong to the range that the utility model is protected.

Claims

1. integral multifunctional microphone speaker, it is characterized in that: it includes voice box casing, sound pick-up and loudspeaker assembly；Institute Voice box casing is stated to be hollow column structure, be equipped with main control board, rechargeable battery and audio seat subplate in the voice box casing, The sound pick-up is set at the top of voice box casing, and the loudspeaker assembly is set to voice box casing bottom, and main control board electricity Property connection audio seat subplate, rechargeable battery, sound pick-up and loudspeaker.

2. integral multifunctional microphone speaker as described in claim 1, it is characterized in that: the voice box casing by front housing and Rear shell mutually splices fastening and forms and form pickup chamber at the top of voice box casing, and pickup chamber upper end is formed with an opening portion, institute Stating sound pick-up, to be placed in pickup intracavitary and be fixedly arranged on open portion；Speaker cavity, the speaker cavity are formed on voice box casing bottom Lower end forms an installing port, and it is intracavitary and be fixedly arranged on installing port that the loudspeaker assembly is placed in speaker.

3. integral multifunctional microphone speaker as claimed in claim 2 picks up it is characterized in that: the pickup chamber outer cup is equipped with Sound chamber decoration, the shape of the pickup chamber decoration and the shape of pickup chamber match, and pickup chamber decoration is located at opening The position in portion is additionally provided with pickup chamber mesh enclosure and pickup chamber mesh enclosure support, pickup chamber mesh enclosure are installed in by pickup chamber mesh enclosure support The outside in open portion.

4. integral multifunctional microphone speaker as claimed in claim 2, it is characterized in that: the loudspeaker assembly includes loudspeaking The fixed bracket of device, oscillating plate and oscillating plate, the loudspeaker is intracavitary set on speaker, and the oscillating plate passes through the oscillating plate Fixed bracket is installed on the installing port of speaker cavity；The speaker cavity outer cup is equipped with speaker cavity decoration, institute The shape of the shape and speaker cavity of stating speaker cavity decoration matches, and speaker cavity decoration is located at installing port Position be additionally provided with speaker cavity mesh enclosure and speaker cavity mesh enclosure support, the speaker cavity mesh enclosure passes through speaker Chamber mesh enclosure support is installed in the installing port of speaker cavity.

5. integral multifunctional microphone speaker as described in claim 1, it is characterized in that: the voice box casing is equipped with key Component；The button assembly includes keypress function circuit board, button cap, key cap holder and key cover；The key function Energy circuit board and the main control board are electrically connected, and the button cap is installed on keypress function circuit board by key cap holder End face, the key cover is covered on button cap and key cover corresponds to the position of button cap and offers key hole；Key face Decorative ends are additionally provided on the outside of lid.

6. integral multifunctional microphone speaker as claimed in claim 5, it is characterized in that: the outer middle side part of the voice box casing is set There is the receiving side for accommodating the button assembly, the rounded square type of the receiving side section, button assembly assembly is in appearance It receives in side.

7. integral multifunctional microphone speaker as described in claim 1, it is characterized in that: being additionally provided on the outside of the voice box casing Audio transmission port and charging interface；The audio transmission port and charging interface and the main control board be electrically connected, And audio transmission port is connected to external sound source equipment by transmission line.

8. integral multifunctional microphone speaker as described in claim 1, it is characterized in that: the main control board is equipped with MIC preprocessing module, DSP processing module, power amplifier module, bluetooth module, charge management module and key module, the DSP Processing module and MIC preprocessing module, power amplifier module, bluetooth module, charge management module and key module are electrically connected；Institute Bluetooth module is stated for carrying out bluetooth connection with external equipment, the key module and button assembly are electrically connected；The MIC is pre- Processing module and sound pick-up are electrically connected, pass for the collected signal of sound pick-up to be pre-processed to and is converted into analog signal It send to DSP processing module；Wherein, DSP processing module is used for audio decoder, and analog signal is sent into DSP processing module and carries out number DAC analog signal is exported after processing to power amplifier module；The loudspeaker assembly and power amplifier module are electrically connected, and power amplifier module will connect The DAC analog signal received is played out by loudspeaker assembly；The bluetooth module is used to carry out bluetooth company with external equipment It connects.

9. integral multifunctional microphone speaker as described in claim 1, it is characterized in that: the audio seat subplate is equipped with TF Card slot and USB interface.