CN209766029U

CN209766029U - Electric guitar with microphone

Info

Publication number: CN209766029U
Application number: CN201920339981.0U
Authority: CN
Inventors: 刘子朋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2019-12-10
Anticipated expiration: 2029-03-18

Abstract

The utility model relates to an electric guitar with microphone, it includes body and at least one adapter, the body includes the headstock, neck and case, the output electricity of adapter is connected to the input that the adapter switches the knob, this electric guitar installs at least one microphone module on the body, the signal of adapter and the signal electricity of microphone transmit to an operational amplification circuit's two input ends on, operational amplification circuit's output electricity is connected to an equalizer circuit on, equalizer circuit's output electricity is connected to on the power discharge circuit or draws forth the USB interface behind AD converting circuit; all circuits are integrated on a PCB, and the PCB is arranged in the piano cabinet. The utility model discloses with the microphone module integration on electric guitar's reasonable position, the accessory when further having reduced electric guitar playing performance, simultaneously, carry out the effect with the help of the original audio processing circuit of electric guitar and adjust the vocal, also more increased playing enjoyment and enriched the performance effect.

Description

Electric guitar with microphone

Technical Field

the utility model relates to an electric guitar field, specific take electric guitar of microphone that says so.

Background

The electric guitar single organ has little playing sound and no tone color change. Moreover, the output signal of the electric guitar pickup is too weak to be used directly through earphones or a household common sound box. The electric guitar must be played and must be disposed the special guitar audio amplifier with power amplifier and auxiliary equipment such as effector, metronome, each equipment occupation space, carry inconvenience and purchase the cost height. Based on the above problems, the applicant of the present application discloses an electric guitar in the utility model patent with patent number "201320256594.3" and name "a multifunctional portable electric guitar" which was applied and authorized in 2013, wherein the electric guitar integrates a distortion amplifying circuit, an equalizer circuit and a power amplifier circuit on the body, and an earphone jack is connected to the power amplifier circuit, and the earphone can be connected through the earphone jack, so that a player can directly use the earphone to listen to the sound of the electric guitar being played. The electric guitar has the distortion amplifying function, the high and low sound adjusting function and the power amplifier output function, is very convenient to carry and use, can not influence other people during playing, and simultaneously avoids purchasing other expensive auxiliary equipment.

The multifunctional portable electric guitar solves the problems of various electric guitar accessories to a certain extent, but still has one problem which is not solved yet: when the electric guitar is used for playing and singing accompaniment, equipment for collecting voice such as a microphone and a microphone holder is additionally required to be arranged, an audio output line of the microphone still needs to be connected to a guitar sound box or other common sound boxes, and the multifunctional portable electric guitar is provided with a microphone interface which is used for connecting an external microphone and still needs additional voice collection corollary equipment.

Based on the above problems, the applicant developed an electric guitar with a microphone.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide an electric guitar with microphones, which is characterized in that one or more microphones are installed on the body of the electric guitar without influencing the pickup of the electric guitar on the basis of the original multifunctional portable electric guitar, the microphones are used for collecting the voice during the singing, and the sound effect processing circuit of the pickup of the electric guitar can be used for carrying out the sound effect processing on the voice through reasonable circuit setting; this electric guitar can further reduce the corollary equipment when guitar is singed, and simultaneously, the person of singing can be more nimble carry out physique or action performance, and needn't be tied near the words barrel holder, in addition, also can increase the enjoyment of singing and enrich the performance effect through the audio regulation to the human voice.

In order to solve the technical problem, the electric guitar with the microphone of the utility model comprises a body and at least one pickup, the body comprises a head, a neck and a case, the output end of the pickup is electrically connected to the input end of the pickup switching knob, the electric guitar is structurally characterized in that at least one microphone module is arranged on the body, the signal of the pickup and the signal of the microphone are electrically transmitted to two input ends of an operational amplifier circuit, the output end of the operational amplifier circuit is electrically connected to an equalizer circuit, and the output end of the equalizer circuit is electrically connected to an power discharge circuit or leads out a USB interface after passing through an AD conversion circuit; all circuits are integrated on a PCB, and the PCB is arranged in the piano cabinet.

The microphone module comprises a first microphone module and a second microphone module, the first microphone module is embedded in the top end part of the headstock, and the second microphone module is embedded in the top end part of the outer side of the piano case or the side part of the piano neck; the output ends of the first microphone module and the second microphone module are electrically connected to the microphone switch. Preferably, the microphone changeover switch is a single-pole double-throw switch.

The output end of the sound pick-up switching knob is electrically connected to a distortion amplifying circuit, and the output end of the distortion amplifying circuit and the output end of the microphone switching switch are electrically connected to two input ends of the operational amplifying circuit.

A distortion adjusting knob is arranged on the distortion amplifying circuit, and a tone adjusting knob is arranged on the equalizer circuit; the adapter switch knob, the microphone switch knob, the distortion adjusting knob and the tone adjusting knob are all arranged on the panel of the piano cabinet.

And the power discharge circuit is provided with an earphone jack and a common sound box output interface. The power amplifier circuit adopts a TEA2025 chip circuit.

The working principle and the advantageous effects of the present invention will be explained below.

The utility model discloses set up the microphone module on the musical instrument body, can be used for collecting the voice, the signal of voice signal and original adapter is put the back that adds through fortune jointly, sings the sound signal through the bullet that mixes, exports power amplifier circuit or draws forth through the USB interface after AD conversion through the balanced device again.

the power amplifier circuit is an internal circuit integrated in the sound box, an earphone socket and a common sound box interface are arranged on the power amplifier circuit, and singing sounds can be output through an earphone or the common sound box; the USB interface adopts a Micro USB interface which can be matched with a mobile phone data interface, mixed singing voice is converted into a digital signal and can be directly input into a mobile phone system, and a player can further process the singing voice by utilizing the voice processing function of the mobile phone system.

The two microphone modules are arranged, wherein the first microphone module is arranged at the position of the headstock, and when a player stands for performing, the first microphone module can be closer to the mouth of the player, so that the voice is convenient to collect; the second microphone module sets up in one side at the musical instrument case top, and concrete can set up in one side of musical instrument case panel or directly set up on the lateral wall of musical instrument case, and when the performance person of singing adopts the position of sitting to perform, this position just is close to the mouth of performance person to conveniently collect the voice. A microphone switch is provided to select one of the microphone modules to operate according to the mode of use.

The distortion amplifying circuit is arranged to adjust the distortion effect of the sound pick-up, and the equalizer circuit can be used for adjusting the tone of the voice and the sound of the sound pick-up simultaneously, so that the playing pleasure and the performance effect are enriched.

To sum up, the utility model discloses with the microphone module integration on the reasonable position of electric guitar, the accessory when further having reduced electric guitar playing is sung, simultaneously, carry out the effect with the help of the original audio frequency processing circuit of electric guitar and adjust to the voice, also more increased playing enjoyment and enriched the performance effect.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

Fig. 1 is a schematic view of the external structure of the electric guitar of the present invention;

Fig. 2 is a schematic block diagram of the circuit principle of the first embodiment of the present invention;

Fig. 3 is a schematic circuit diagram of a first embodiment of the present invention;

Fig. 4 is a schematic block diagram of a circuit of a second embodiment of the present invention;

Fig. 5 is a schematic circuit diagram of a second embodiment of the present invention.

Detailed Description

Referring to the attached drawings, the electric guitar with the microphone of the utility model comprises a body and at least one pickup 1, the body comprises a head 2, a neck 3 and a case 4, the output end of the pickup 1 is electrically connected to the input end of a pickup switching knob 5, the electric guitar is characterized in that at least one microphone module is arranged on the body, the signal of the pickup and the signal of the microphone are electrically transmitted to two input ends of an operational amplifier circuit 6, the output end of the operational amplifier circuit 6 is electrically connected to an equalizer circuit 7, the output end of the equalizer circuit 7 is electrically connected to a power amplifier circuit 8 or led out a USB interface 10 after passing through an AD conversion circuit 9; each circuit is integrated on a PCB board, which is built in the piano cabinet 4.

In the structure, the microphone module is arranged on the body and can be used for collecting voice, and voice signals and signals of the original sound pick-up are added together through operational amplifier, and then are output to the power amplifier circuit through the equalizer circuit or are led out through the USB interface after being subjected to AD conversion through the mixed singing voice signals.

The two embodiments in the figures respectively adopt two sound output modes. In a first embodiment, as shown in fig. 2 and 3, the singing sound signal is converted into a digital signal and led out through a USB interface, the USB interface adopts a Micro USB interface capable of adapting to a data interface of a mobile phone, the mixed singing sound is converted into a digital signal and can be directly input into a mobile phone system, and a singer can further process the singing sound by using a sound processing function of the mobile phone system.

In a second embodiment, as shown in fig. 4 and 5, the singing sound signal is connected to a power amplifier circuit, the power amplifier circuit 8 is a built-in circuit integrated in the musical box, and an earphone jack and a common speaker interface are arranged on the power amplifier circuit, so that the singing sound signal can be output through an earphone or a common speaker. Specifically, as shown in fig. 5, the power amplifier circuit 8 is provided with an earphone jack 16 and a common speaker output interface 17. The power amplifier circuit 8 adopts a TEA2025 chip circuit.

Referring to the drawings, the microphone module includes a first microphone module 11 and a second microphone module 12, the first microphone module 11 is fitted in the top end portion of the headstock 2, and the second microphone module 12 is fitted in the top end portion of the outside of the cabinet 4 or in the side portion of the neck 3; the output terminals of the first microphone module 11 and the second microphone module 12 are electrically connected to the microphone changeover switch 13. The mike changeover switch 13 is a single-pole double-throw switch. Two microphone modules are arranged, wherein the first microphone module 11 is arranged at the position of the headstock 2, and when a player stands for performing, the first microphone module 11 can be closer to the mouth of the player, so that the voice is convenient to collect; the second microphone module 12 is arranged on one side of the top of the piano cabinet 4, specifically can be arranged on one side of the panel of the piano cabinet 4 or directly arranged on the side wall of the piano cabinet 4, and when the rap performer performs in a sitting posture, the part is just close to the mouth of the performer, so that the voice is conveniently collected. A microphone changeover switch 13 is provided for selecting one of the microphone modules to operate depending on the mode of use.

Referring to the drawing, the output terminal of the pickup switching knob 5 is electrically connected to a distortion amplifying circuit 18, and the output terminal of the distortion amplifying circuit 18 and the output terminal of the microphone switching switch 13 are electrically connected to both input terminals of the operational amplifying circuit 6. A distortion adjusting knob 14 is arranged on the distortion amplifying circuit 18, and a tone adjusting knob 15 is arranged on the equalizer circuit 7; the pickup switching knob 5, the microphone switching switch 13, the distortion adjusting knob 14, and the tone color adjusting knob 15 are all provided on the cabinet panel. The distortion amplifying circuit 18 is arranged to adjust the distortion effect of the sound pick-up signal, and the equalizer circuit can be used for simultaneously adjusting the tone of the human voice and the sound of the sound pick-up, thereby enriching the singing pleasure and the performance effect.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. The technical personnel in this field can do a plurality of changes or modifications without departing from the technical proposal of the utility model, and the changes or modifications all fall into the protection scope of the utility model.

Claims

1. An electric guitar with a microphone comprises a body and at least one sound pick-up (1), wherein the body comprises a head (2), a neck (3) and a case (4), the output end of the sound pick-up (1) is electrically connected to the input end of a sound pick-up switching knob (5), the electric guitar is characterized in that at least one microphone module is arranged on the body, signals of the sound pick-up and signals of the microphone are electrically transmitted to two input ends of an operational amplification circuit (6), the output end of the operational amplification circuit (6) is electrically connected to an equalizer circuit (7), the output end of the equalizer circuit (7) is electrically connected to a power amplification circuit (8) or is led out of a USB interface (10) after passing through an AD conversion circuit (9); all circuits are integrated on a PCB which is arranged in the piano cabinet (4).

2. The electric guitar with microphone according to claim 1, wherein the microphone module comprises a first microphone module (11) and a second microphone module (12), the first microphone module (11) is embedded in the top end portion of the head (2), and the second microphone module (12) is embedded in the top end portion of the outer side of the case (4) or in the side portion of the neck (3); the output ends of the first microphone module (11) and the second microphone module (12) are electrically connected to the microphone change-over switch (13).

3. The electric guitar with microphone according to claim 2, characterized in that the output of the pickup switching knob (5) is electrically connected to a distortion amplifying circuit (18), the output of the distortion amplifying circuit (18) and the output of the microphone switching switch (13) are electrically connected to both inputs of the operational amplifying circuit (6).

4. The electric guitar with microphone according to claim 2, characterized in that the distortion amplifying circuit (18) is provided with a distortion adjusting knob (14), the equalizer circuit (7) is provided with a timbre adjusting knob (15); the pickup switch knob (5), the microphone switch knob (13), the distortion adjusting knob (14) and the tone color adjusting knob (15) are all arranged on the panel of the piano cabinet.

5. Electric guitar with microphone according to claim 4, characterized in that the microphone changeover switch (13) is a single pole double throw switch.

6. The electric guitar with microphone according to claim 1, characterized in that the power amplifier circuit (8) is provided with an earphone jack (16) and a normal speaker output interface (17).

7. The electric guitar with microphone as claimed in claim 6, characterized in that the power amplifier circuit (8) is a TEA2025 chip circuit.