CN207382507U - A portable reverberation microphone power amplifier device - Google Patents

Abstract

The utility model discloses a hand-held reverberation microphone power amplifier device, including a microphone body, a mesh head seat installed at one end of the microphone body, a mesh head screwed on the mesh head seat, a dynamic pickup head capable of integrating human voice and reverberation functions into low-frequency high-efficiency audio output, a control circuit and a built-in lithium battery for providing electric energy are arranged in the cavity of the microphone body, and an earphone interface for outputting audio and a charging interface for charging are arranged at the other end of the microphone body. This product has a built-in rechargeable power supply, stores electricity, is not troubled by an external power supply, and can be turned on and used at any time; the latest Bluetooth receiving function can be well connected to all open Bluetooth media wirelessly and played through the new model; the reverberator function of the microphone can create a karaoke entertainment effect, and can be used at any time indoors or outdoors.

Description

A portable reverberation microphone power amplifier device

technical field

The utility model relates to a microphone, in particular to a hand-held reverberation microphone amplifier device.

Background technique

Problems existing in the prior art:

①The existing microphone is a single component, and the reverberation function is designed in the power amplifier. The microphone must be connected to the input port of the power amplifier, and the power amplifier is connected to an external power supply, which is not conducive to mobile use.

②Microphone and power amplifier connection and speaker connection, multi-part connection is not conducive to mobile use.

③Existing microphones, power amplifiers, and speakers are all connected to output high power and are fixed for use in space, not suitable for mobile use.

Utility model content

The purpose of this utility model is to provide a portable reverberation microphone power amplifier device for the above-mentioned defects of the prior art.

In order to solve the above-mentioned defects of the prior art, the technical solution provided by the utility model is: a portable reverberation microphone power amplifier device, including a microphone body, one end of the microphone body is equipped with a net head seat, and the net head seat The upper screw is connected with a mesh head, and the mesh head is equipped with a dynamic pickup head that can integrate the human voice and reverberation functions into a low-frequency high-efficiency audio output, and a control circuit is arranged in the cavity of the microphone body And a built-in lithium battery that provides power, the other end of the microphone body is provided with a headphone jack for outputting audio and a charging jack for charging.

As an improvement of the portable reverberation microphone power amplifier device of the present invention, the control circuit includes a moving coil pickup control circuit, a reverberation circuit, a mixing circuit, a bluetooth playback circuit, a regulated power supply control circuit and a power amplifier circuit , the moving coil pickup head control circuit is connected to the reverberation circuit, the reverberation circuit is connected to the hybrid circuit, the bluetooth playback circuit is connected to the hybrid circuit, and the hybrid circuit is connected to the hybrid circuit The power amplifier circuit is connected, the regulated power supply control circuit is connected to the power amplifier circuit, and the power amplifier circuit outputs audio to the earphone.

As an improvement of the portable reverberation microphone power amplifier device of the present invention, the bluetooth playback circuit is used for wireless connection with mobile phones, tablet computers, and notebook computers to perform audio transmission functions.

As an improvement of the portable reverberation microphone power amplifier device of the present invention, the audio signal picked up by the moving coil pickup head is transmitted to the reverberation circuit, and the reverberation circuit sends the audio signal to the mixing circuit and the bluetooth playback circuit. After the audio is mixed, it is output to the earphone through the power amplifier circuit.

As an improvement of the portable reverberation microphone power amplifier device of the present invention, the diameter of the earphone interface is 3.5 mm, and the earphone interface is used to connect an external port of an earphone, an earphone microphone, a multimedia speaker or a car speaker.

As an improvement of the portable reverberation microphone power amplifier device of the present invention, the outer middle part of the net head seat has a retaining ring, and one end of the net head seat has a plug connector inserted into the microphone body. The other end of the network head seat is provided with a deck for installing the moving coil pickup, and the dynamic pickup is electrically connected with the control circuit.

Compared with the prior art, the utility model has the following advantages: 1. The built-in rechargeable power supply can store power without being troubled by an external power supply, and can be turned on at any time; 2. The latest Bluetooth receiving function can work well with all open Bluetooth media (such as smartphones, laptops, laptops, etc.) can be connected wirelessly and played through this new model; 3. The microphone's sound pickup (moving coil) (capacitive) reverb function can create a karaoke Ok entertainment effect, can be used at any time during indoor or outdoor movement; 4. Integrate the functions of the above-mentioned points 1, 2, and 3 into the shape of a small microphone, and have a portable reverberation microphone power amplifier device that is convenient to carry ;5. Headphone-type output, no need to consider the interference to the surrounding environment, and can be used in any environmental space at any time; 6. The new lithium battery charging function has the convenience of movement and the environmental protection concept of not changing the battery .

Description of drawings

The utility model and its beneficial technical effects are described in further detail below with regard to the accompanying drawings and specific embodiments, wherein:

Fig. 1 is a front view of the utility model.

Figure 2 is an exploded view of the utility model.

Fig. 3 is a structural diagram of the module of the present invention.

Fig. 4 is a schematic diagram of the end structure of the microphone body of the utility model.

Fig. 5 is a schematic structural diagram of the control circuit and the reverberation circuit of the utility model moving coil pickup head.

Fig. 6 is a structural schematic diagram of the hybrid circuit and the bluetooth playing circuit of the present invention.

Fig. 7 is the control circuit of the utility model regulated power supply.

Fig. 8 is a schematic structural diagram of the power amplifier circuit of the present invention.

Fig. 9 is a control circuit diagram of the utility model.

Names of reference signs: 1. Microphone body 2. Net head holder 3. Net head 4. Dynamic pickup head 5. Headphone jack 6. Charging jack 7. Retaining ring 8. Plug connector 9. Card holder.

Detailed ways

The utility model will be further described below according to the accompanying drawings and specific embodiments, but the implementation of the utility model is not limited thereto.

As shown in Figures 1-9, a portable reverberation microphone power amplifier device includes a microphone body 1, and one end of the microphone body 1 is equipped with a mesh head 2, and a mesh head 3 is screwed on the mesh head 2. The head 3 is equipped with a dynamic pickup 4 that can integrate the human voice and reverberation functions into a low-frequency, high-efficiency audio output. The cavity of the microphone body 1 is equipped with a control circuit and a built-in lithium battery that provides power. The other end of the main body 1 is provided with an earphone jack 5 for outputting audio and a charging interface 6 for charging.

Preferably, the control circuit includes a moving coil pickup control circuit 10, a reverberation circuit 11, a mixing circuit 12, a bluetooth playback circuit 13, a stabilized power supply control circuit 14 and a power amplifier circuit 15, and the moving coil pickup control circuit 10 Connect with the reverberation circuit 11, the reverberation circuit 11 is connected with the mixing circuit 12, the bluetooth playing circuit 13 is connected with the mixing circuit 12, the mixing circuit 12 is connected with the power amplifier circuit 15, the regulated power supply control circuit 14 is connected with the power amplifier circuit 15, and the power amplifier circuit 15 output audio to earphone.

Preferably, the bluetooth playback circuit is used for wireless connection with mobile phones, tablet computers, and notebook computers to perform audio transmission functions.

Preferably, the audio signal picked up by the dynamic pickup head 4 is sent to the reverberation circuit, and the reverberation circuit sends the audio signal to the mixing circuit to mix with the audio of the bluetooth playback circuit and output the earphone through the power amplifier circuit.

Preferably, the diameter of the earphone jack 5 is 3.5mm, and the earphone jack is used to connect an earphone, an earphone microphone, a multimedia sound box or an external port of a car sound box.

Preferably, the outer middle part of the net head seat 2 has a retaining ring 7, and one end of the net head seat 2 has a plug joint 8 inserted into the microphone body, and the other end of the net head seat 2 is provided with a card for installing a moving coil pickup. Seat 9, moving coil pickup head 4 is electrically connected with control circuit.

The advantages of the utility model are: 1. The built-in rechargeable power supply can store power without being disturbed by an external power supply, and can be used at any time; 2. The latest Bluetooth receiving function can be well compatible with all open Bluetooth media (such as smart mobile phone, portable tablet computer, notebook computer, etc.) for wireless connection, and play through this new type; 3. The sound pickup (moving coil) reverberation function of the microphone can create a karaoke entertainment effect, which is suitable for both indoor and outdoor movement. Can be used at any time; 4. Integrate the above-mentioned functions of 1, 2 and 3 into the shape of a small microphone, and have a portable reverb microphone power amplifier device that is convenient to carry; 5. Headphone output, no need to consider It will interfere with the sound of the surrounding environment, and can be used in any environmental space at any time; 6. The new lithium battery charging function has the convenience of movement and the environmental protection concept of not changing the battery.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and structure of the present invention , replacement and modification, the scope of the present utility model is defined by the appended claims and their equivalent scope.

Claims (6)

1. a portable reverberation microphone power amplifier device comprises a microphone body, it is characterized in that, one end of the microphone body is equipped with a mesh head seat, and a mesh head is screwed on the mesh head seat, and a mesh head is provided in the mesh head There is a dynamic pickup head that can integrate the human voice and reverberation functions into a low-frequency high-efficiency audio output. The cavity of the microphone body is equipped with a control circuit and a built-in lithium battery that provides power. The microphone body The other end has a headphone jack for audio output and a charging jack for charging. 2. The portable reverberation microphone power amplifier device according to claim 1, wherein the control circuit includes a moving coil pickup control circuit, a reverberation circuit, a mixing circuit, a bluetooth playback circuit, and a stabilized power supply A control circuit and a power amplifier circuit, the moving coil pickup head control circuit is connected to the reverberation circuit, the reverberation circuit is connected to the mixing circuit, the bluetooth playback circuit is connected to the mixing circuit, the The mixing circuit is connected to the power amplifier circuit, the voltage-stabilized power supply control circuit is connected to the power amplifier circuit, and the power amplifier circuit outputs audio to the earphone. 3. The portable reverberation microphone power amplifier device according to claim 2, wherein the bluetooth playback circuit is used for wireless connection with mobile phones, tablet computers, and notebook computers to perform audio transmission functions. 4. The portable reverberation microphone power amplifier device according to claim 3, wherein the audio signal picked up by the moving coil pickup head is sent to the reverberation circuit, and the reverberation circuit sends the audio signal to the mixing circuit After mixing with the audio of the bluetooth playback circuit, the earphone is output through the power amplifier circuit. 5. The portable reverberation microphone power amplifier device according to claim 4, characterized in that, the diameter of the earphone jack is 3.5 mm, and the earphone jack is used to connect an external port of an earphone, an earphone microphone, a multimedia sound box or a car sound box. 6. The portable reverberation microphone power amplifier device according to claim 1, characterized in that, the outer middle part of the net head seat has a retaining ring, and one end of the net head seat has a ring inserted into the microphone body. A plug connector, the other end of the net head seat is provided with a deck for installing the moving coil pickup, and the moving coil pickup is electrically connected to the control circuit.