CN209627618U

CN209627618U - A kind of MM-8 wireless microphone

Info

Publication number: CN209627618U
Application number: CN201920893148.0U
Authority: CN
Inventors: 白晓明
Original assignee: Shenzhen Csw Smart Technology Co Ltd
Current assignee: Shenzhen Csw Smart Technology Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2019-11-12
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a kind of MM-8 wireless microphones, including transmitting terminal and receiving end, the transmitting terminal includes microphone tube body, the inside of the microphone tube body and receiving end, which is bolted, is equipped with circuit board, the first main control chip MCU has been electrically connected on the microphone tubular body circuit board, UHF transmitting chip, the second main control chip MCU has been electrically connected on the receiving end internal circuit board, UHF receives chip, microphone tube body top is equipped with dynamic formula miaow core, the external leading flank of the microphone tube body is successively arranged LCD display from top to bottom, language search key, power button, fixed screw, the bottom end of microphone tube body is equipped with USB charging interface simultaneously, key hole.The utility model simple structure and reasonable design, novel appearance, convenient for control, intuitive display, sound quality are experienced.

Description

A kind of MM-8 wireless microphone

Technical field

The utility model relates to family internet K to sing technical field, specially a kind of MM-8 wireless microphone.

Background technique

Microphone, scientific name are microphone, are the energy conversion devices that voice signal is converted to electric signal, by " This English word transliteration of Microphone ", also referred to as microphone, microphone.Twentieth century, microphone is by initially passing through resistance Acoustic-electric development is converted to convert into inductance, condenser type；

Traditional device has the disadvantage that

First: user encounters U segment signal interference such as household electrical appliance when singing using wireless universal microphone K sometimes The U of electromagnetic interference or neighbour's section microphone crosstalk；

Second: general voice remote controller carrys out transmitting audio data generally by bluetooth, and the transmission delay of bluetooth ratio Larger, general 60~200 milliseconds or so, real-time is too poor, is unable to satisfy K song demand；Universal phonetic remote controler built-in wheat Gram wind and its processing circuit are used only to do voice input and phonetic search function, do not account for K song application, be far from being What sound quality and audio are unable to satisfy K song and require；

Third: wireless K song microphone on the market is shown without LCD at present, frequency that microphone uses, The parametric users such as battery capacity and working condition can not know.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of MM-8 wireless microphone Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of MM-8 wireless microphone, including transmitting End and receiving end, the transmitting terminal include microphone tube body, and the inside of the microphone tube body and receiving end leads to fixed set There is circuit board, first main control chip MCU, UHF transmitting chip, institute have been electrically connected on the microphone tubular body circuit board It states and has been electrically connected second main control chip MCU, UHF reception chip, microphone tube body top on the internal circuit board of receiving end End is equipped with dynamic formula miaow core, and the external leading flank of the microphone tube body is successively arranged LCD display, language search from top to bottom Key, power button, fixed screw, while the bottom end of microphone tube body is equipped with USB charging interface, key hole.

Preferably, the first main control chip MCU includes parameter setting, the clock of EQ by the audio frequency parameter that IIC is configured Setting, pilot settings, transmission power setting, the setting of auxiliary channel function, modulating bandwidth setting, compression time setting, preemphasis The setting of filter, the setting of audio gain, the setting of audio A LC and tranmitting frequency setting.

Preferably, the first main control chip MCU, UHF transmitting chip and second main control chip MCU, UHF receive core Unidirectional connection is realized by KT_EN between piece.

Preferably, it is bi-directionally connected between the first main control chip MCU, UHF transmitting chip by KT_I2C realization, it is described Second main control chip MCU, UHF is received and is bi-directionally connected between chip by I2C realization.

Preferably, the second main control chip MCU is the single-chip microcontroller with USB interface, and the UHF is received there are two chip sets And model is KT0656M.

Preferably, the model MA82G5D16 of the first main control chip MCU, the model of the UHF transmitting chip KT0646M。

Compared with prior art, the utility model has the beneficial effects that

1, the utility model appearance is fine, the status informations such as band LCD liquid crystal display real-time display working frequency, and integrated level is high；

2, the utility model band phonetic search function, experience effect are very good；

3, the utility model band frequency conversion function, can prevent application scenarios bring cacophonia due to signal interference；

4, the utility model Overall Power Consumption is low, band charge function no replacement is required battery, and the continuous K song up to 28 of microphone is small When；

5, the utility model sound quality carries out fine adjustment for special television set by tuner, voice using UHF without Line transmission；

6, the utility model is better than the sound quality of normal speech microphone, and sound delay time is low, is very suitable to K song application.

Detailed description of the invention

Fig. 1 is a kind of MM-8 wireless microphone overall appearance structural representation of the utility model；

Fig. 2 is the microphone tube body bottom end attachment structure schematic diagram in a kind of MM-8 wireless microphone of the utility model；

Fig. 3 is the transmitting terminal hardware block diagram in a kind of MM-8 wireless microphone of the utility model；

Fig. 4 is the receiving end hardware block diagram in a kind of MM-8 wireless microphone of the utility model；

Fig. 5 is the application scenario diagram in a kind of MM-8 wireless microphone of the utility model.

In figure: 1, microphone tube body；2, power button；3, LCD display；4, dynamic formula miaow core；5, language search is pressed Key；6, fixed screw；7, transmitting terminal；8, receiving end；9, the first main control chip MCU；10, UHF transmitting chip；11, the second master control Chip MCU；12, UHF receives chip；13, USB charging interface；14, key hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of MM-8 wireless microphone, including transmitting terminal 7 With receiving end 8, transmitting terminal 7 includes microphone tube body 1, and the inside of microphone tube body 1 and receiving end 8 is bolted peace Equipped with circuit board, first main control chip MCU9, UHF transmitting chip 10 has been electrically connected on 1 internal circuit board of microphone tube body, It has been electrically connected second main control chip MCU11, UHF on 8 internal circuit board of receiving end and has received chip 12, microphone tube body 1 pushes up End is equipped with dynamic formula miaow core 4, and the external leading flank of microphone tube body 1 is successively arranged LCD display 3, language search from top to bottom Key 5, power button 2, fixed screw 6, while the bottom end of microphone tube body 1 is equipped with USB charging interface 13, key hole 14.

First main control chip MCU9 is set by the parameter setting, clock setting, pilot tone that the audio frequency parameter that IIC is configured includes EQ It sets, transmission power setting, the setting of auxiliary channel function, modulating bandwidth setting, compression time setting, preemphasis filter are set It sets, the setting of the setting of audio gain, the setting of audio A LC and tranmitting frequency.

First main control chip MCU9, UHF transmitting chip 10 and second main control chip MCU11, UHF are received between chip 12 Unidirectional connection is realized by KT_EN, and KT_EN being capable of pin for UHF transmitting chip 10, UHF reception chip 12.

It is bi-directionally connected between first main control chip MCU9, UHF transmitting chip 10 by KT_I2C realization, the second main control chip MCU11, UHF are received and are bi-directionally connected between chip 12 by I2C realization.

Second main control chip MCU11 be the single-chip microcontroller with USB interface, UHF receive chip 12 set there are two and model be KT0656M。

The model MA82G5D16 of first main control chip MCU9 is mainly responsible for key scan, LCD is shown, UHF transmitting core The initialization and control and battery voltage monitoring task of piece 10, the model KT0646M of UHF transmitting chip 10, be mainly responsible for by Analog audio signal, which is modulated and passes through uhf band, to be emitted, and is responsible for the unidirectional transparent transmission function of data.

Working principle: when the utility model is used, first by receiving end 8 be inserted into Android host (Android smart television/ Android network player) on, then be powered, at this moment the second main control chip MCU11 receives chip 12 to UHF and initializes, Then it resets and receives frequency point, then by holding microphone tube body 1, at this moment say what needs were expressed against moving-coil type miaow core 4 Language, then be emitted in receiving end 8 by UHF transmitting chip 10, then UHF, which receives chip 12, is receiving UHF transmitting chip 10 After the signal launched, audio signal is demodulated come in the AD input pin being sent in the second main control chip MCU11, and is carried out Voice processing, usb audio are packaged, then are uploaded to Android host, and K song APK, this APK are preinstalled in such Android host It is responsible for the audio data of acquisition USB Audio, and accompanies with MV carry out audio mixing in real time, then audio mixing data is again from broadcasting box HDMI Output is exported from the loudspeaker of smart television；When there is phonetic search key 5 to press, software opens the auxiliary channel of KT Transparent transmission function, which is sent, presses key pressing code, and key is sent when key bounces and bounces code, delay transmission closes auxiliary after bouncing within 1 second code Channel function；Software sends microphone request to code instruction by KT auxiliary channel after having to code by key pressing, sends instruction Auxiliary channel is closed after 1.5 seconds duration.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of MM-8 wireless microphone, including transmitting terminal (7) and receiving end (8), it is characterised in that: transmitting terminal (7) packet It includes microphone tube body (1), the inside of the microphone tube body (1) and receiving end (8) is fixedly installed circuit board, the wheat It has been electrically connected the first main control chip MCU (9), UHF transmitting chip (10) on gram air hose body (1) internal circuit board, it is described to connect It has been electrically connected the second main control chip MCU (11), UHF on receiving end (8) internal circuit board and has received chip (12), the microphone Tube body (1) top is equipped with dynamic formula miaow core (4), and the external leading flank of the microphone tube body (1) is successively arranged LCD from top to bottom Display screen (3), language search key (5), power button (2), fixed screw (6), while the bottom end of microphone tube body (1) is equipped with USB charging interface (13), key hole (14).

2. a kind of MM-8 wireless microphone according to claim 1, it is characterised in that: the first main control chip MCU (9) It include the parameter setting, clock setting, pilot settings, transmission power setting, auxiliary channel of EQ by the audio frequency parameter that IIC is configured Function setting, modulating bandwidth setting, compression time setting, the setting of preemphasis filter, the setting of audio gain, audio A LC Setting and tranmitting frequency setting.

3. a kind of MM-8 wireless microphone according to claim 1, it is characterised in that: the first main control chip MCU (9), UHF transmitting chip (10) and the second main control chip MCU (11), UHF are received and are realized list by KT_EN between chip (12) To connection.

4. a kind of MM-8 wireless microphone according to claim 1, it is characterised in that: the first main control chip MCU (9), it is bi-directionally connected between UHF transmitting chip (10) by KT_I2C realization, the second main control chip MCU (11), UHF are received It is bi-directionally connected between chip (12) by I2C realization.

5. a kind of MM-8 wireless microphone according to claim 1, it is characterised in that: the second main control chip MCU (11) be the single-chip microcontroller with USB interface, the UHF receive chip (12) set there are two and model be KT0656M.

6. a kind of MM-8 wireless microphone according to claim 1, it is characterised in that: the first main control chip MCU (9) Model MA82G5D16, the model KT0646M of the UHF transmitting chip (10).