CN213028522U

CN213028522U - Microphone direct broadcast sound card

Info

Publication number: CN213028522U
Application number: CN202021903475.9U
Authority: CN
Inventors: 谌彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-20
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a microphone live broadcast sound card in sound card technical field, which comprises a housin, encapsulate the PCB board inside the casing and set up the button control panel on the casing outer wall, button control panel top is equipped with the miaow head, be equipped with charge interface and computer live interface on the last lateral wall of casing, be equipped with accompaniment audio input interface on the lower lateral wall of casing, microphone interface one, microphone interface two, musical instrument audio input interface, headset interface, earphone interface, live interface and live second interface, the inside back of casing is equipped with battery and wireless charging coil, design miaow head and drive circuit inside live broadcast sound card, need not external microphone, can reach original result of use; a microphone wire is not needed, the placement is neat, the carrying is more convenient, and the wireless charging function of the battery is realized through the matching of a related circuit on the PCB and a wireless charging coil; the FM transmitter can be arranged to be interconnected with the vehicle-mounted radio through the arrangement of the corresponding frequency band.

Description

Microphone direct broadcast sound card

Technical Field

The utility model relates to a sound card technical field specifically is live sound card of microphone.

Background

The sound card is also called audio card, and is the most basic component in multimedia technology, and is a hardware for realizing sound wave/digital signal interconversion, and the basic function of the sound card is to convert the original sound signals from a microphone, a magnetic tape and an optical disk and output the converted sound signals to sound equipment such as an earphone, a loudspeaker, a recorder and the like, or to make a musical instrument emit wonderful sound through a music equipment digital interface (MIDI).

With the development of the current live broadcast industry, a live broadcast platform is more and more mature, a sound card is needed in the live broadcast process, the live broadcast sound card is connected with a mobile phone through an external microphone, and the sound card is beautified by sound card sound effect and then transmitted to audiences in a live broadcast room to listen to or record the audiences to the mobile phone; however, the live sound card can realize live chat, singing or recording only by externally connecting a microphone, but the connection is complex, the placement is messy, the live sound card is not easy to carry, and the function is not enough.

Based on this, the utility model designs a live sound card of microphone to solve the above-mentioned problem of mentioning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a live sound card of microphone to solve the above-mentioned problem of mentioning.

In order to achieve the above object, the utility model provides a following technical scheme: the microphone direct broadcast sound card comprises a shell, a PCB board packaged in the shell and a key control panel arranged on the outer wall of the shell, a microphone is arranged above the key control panel, the microphone and the key control panel are both electrically connected with the PCB, the upper side wall of the shell is provided with a charging interface and a computer live broadcast interface, the lower side wall of the shell is provided with an accompaniment audio input interface, a microphone interface I, a microphone interface II, a musical instrument audio input interface, a headset interface, an earphone interface, a live broadcast interface and a live broadcast interface, the inside back of casing is equipped with battery and wireless charging coil, charge interface, accompaniment audio input interface, microphone interface one, microphone interface two, musical instrument audio input interface, headset interface, earphone interface, live two interfaces, battery, wireless charging coil and the live interface of computer all with the PCB board electricity is connected.

Preferably, the two side walls of the shell are provided with anti-skid bulges.

Preferably, be equipped with charging circuit, microprocessor, memory and sound effect processing circuit on the PCB board, charging circuit, memory and sound effect processing circuit all with microprocessor electricity is connected.

Preferably, an FM transmitter is arranged on the PCB and electrically connected with the microprocessor.

Preferably, the key control panel is provided with a plurality of function keys, and the plurality of function keys are electrically connected with the microprocessor.

Preferably, the microprocessor is a DSP chip.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a live sound card with microphone, which designs the microphone and the driving circuit inside the live sound card, and can achieve the original using effect without an external microphone; a microphone wire is not needed, the placement is neat, the carrying is more convenient, and the wireless charging function of the battery is realized through the matching of a related circuit on the PCB and a wireless charging coil; the FM transmitter can be arranged to be interconnected with the vehicle-mounted radio through the arrangement of the corresponding frequency band.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a rear plan view of the present invention;

fig. 3 is a top plan view of the present invention;

fig. 4 is a bottom plan view of the present invention;

fig. 5 is a control schematic block diagram of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a charging interface; 2. a microphone; 3. a key control panel; 4. anti-skid projections; 5. a housing; 6. an accompaniment audio input interface; 7. a first microphone interface; 8. a headset interface; 9. an earphone interface; 10. a live broadcast interface; 11. a second live broadcast interface; 12. a battery; 13. a wireless charging coil; 14. a charging circuit; 15. a microprocessor; 16. an FM transmitter; 17. a memory; 18. a computer live broadcast interface; 19. a sound effect processing circuit; 20. a second microphone interface; 21. an instrument audio input interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides a technical solution: microphone live broadcast sound card, including casing 5, encapsulate in the inside PCB board of casing 5 and set up the button control panel 3 on the casing 5 outer wall, button control panel 3 top is equipped with miaow head 2, miaow head 2 and button control panel 3 all are connected with the PCB board electricity, be equipped with charge interface 1 and computer live broadcast interface 18 on the last lateral wall of casing 5, be equipped with accompaniment audio input interface 6 on the lower lateral wall of casing 5, microphone interface 7, microphone interface two 20, musical instrument audio input interface 21, headset interface 8, earphone interface 9, live broadcast interface 10 and live broadcast interface 11, the inside back of casing 5 is equipped with battery 12 and wireless charging coil 13, charge interface 1, accompaniment audio input interface 6, microphone interface 7, microphone interface two 20, musical instrument audio input interface 21, headset interface 8, earphone interface 9, live broadcast interface 10, The direct broadcasting interface 11, the battery 12, the wireless charging coil 13 and the computer direct broadcasting interface 18 are electrically connected with the PCB.

The anti-slip bumps 4 are arranged on the two side walls of the shell 5, so that the shell 5 can be held by hands conveniently and is prevented from falling off.

The PCB is provided with a charging circuit 14, a microprocessor 15, a memory 17 and an effect processing circuit 19, the charging circuit 14, the memory 17 and the effect processing circuit 19 are all electrically connected with the microprocessor 15, and the charging circuit 14, the microprocessor 15, the memory 17 and the effect processing circuit 19 are all existing products.

Wherein, be equipped with FM transmitter 16 on the PCB board, FM transmitter 16 is connected with microprocessor 15 electricity, and FM transmitter 16 can the transmitting frequency be 87.5MHz to 108 MHz's radio station channel, realizes the interconnection through the setting that corresponds the frequency channel with vehicle radio, realizes on-vehicle private KTV effect.

Wherein, be equipped with a plurality of function button on key control panel 3, a plurality of function button all are connected with microprocessor 15 electricity, and the function button includes bass adjusting key, treble adjusting key, reverberation adjusting key, volume adjusting key, accompaniment adjusting key, mode selection key, song selection key, broadcast/pause button and switch button etc. to give microprocessor 15 with operator's the instruction of controlling.

The microprocessor 15 is a DSP chip, which is a digital Signal processing technology, and the DSP chip is a chip capable of implementing the digital Signal processing technology. The inside adoption procedure and the detached structure of harvard of data of DSP chip, the utility model discloses a DSP chip handles various sound signal through integrated sound card preliminary treatment to cooperate control panel to handle the user and to the relevant various functional operation of K song.

The specific working principle is as follows:

the microphone direct-broadcast sound card charging interface 1 is externally connected with a power supply to charge a sound card battery 12; the battery 12 supplies power to the sound effect processing circuit 19 of the direct broadcast sound card and the microphone 2, so that the direct broadcast sound card works normally; and can also carry out wireless charging through wireless charging coil 13, and the principle of wireless charging is prior art, charging circuit 14 includes rectifier circuit and voltage stabilizing circuit, the input and the wireless charging coil 13 electricity of rectifier circuit are connected, its output is connected with voltage stabilizing circuit's input electricity, voltage stabilizing circuit's output is connected with battery 12 electricity, the musical accompaniment is etc. from accompaniment audio input interface 6 or the access of accompaniment input interface connecting line, people aim at microphone position speech and sing, sound is passed to live sound card audio processing circuit 19 through sound card on miaow head 2 and is carried out the effect processing, button control panel 3 selects corresponding audio effect treatment effect, then through live output interface connecting line output cell-phone live room or record the cell-phone, earphone interface 9 is plugged in the earphone and also can be listened simultaneously and record or live effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Live sound card of microphone, its characterized in that: including casing (5), encapsulate in casing (5) inside PCB board and set up in button control panel (3) on casing (5) outer wall, button control panel (3) top is equipped with miaow head (2), miaow head (2) and button control panel (3) all with PCB board electricity is connected, be equipped with interface (1) and computer live interface (18) of charging on the lateral wall of casing (5), be equipped with accompaniment audio input interface (6), microphone interface one (7), microphone interface two (20), musical instrument audio input interface (21), headset interface (8), earphone interface (9), live two interface (10) and live two interfaces (11) on the lower lateral wall of casing (5), the inside back of casing (5) is equipped with battery (12) and wireless charging coil (13), interface (1) that charges, The accompaniment audio input interface (6), the microphone interface I (7), the microphone interface II (20), the musical instrument audio input interface (21), the headset interface (8), the earphone interface (9), the live broadcast interface I (10), the live broadcast interface II (11), the battery (12), the wireless charging coil (13) and the computer live broadcast interface (18) are all electrically connected with the PCB.

2. The microphone live broadcast sound card of claim 1, wherein: and anti-skid bulges (4) are arranged on two side walls of the shell (5).

3. The microphone live broadcast sound card of claim 1, wherein: the PCB is provided with a charging circuit (14), a microprocessor (15), a memory (17) and an effect processing circuit (19), and the charging circuit (14), the memory (17) and the effect processing circuit (19) are all electrically connected with the microprocessor (15).

4. The microphone live broadcast sound card according to claim 3, wherein: and an FM emitter (16) is arranged on the PCB, and the FM emitter (16) is electrically connected with the microprocessor (15).

5. The microphone live broadcast sound card of claim 1, wherein: the button control panel (3) is provided with a plurality of function buttons which are electrically connected with the microprocessor (15).

6. The microphone live broadcast sound card according to claim 3, wherein: the microprocessor (15) is a DSP chip.