CN204272342U - A head-mounted wireless microphone - Google Patents

Abstract

The utility model discloses a kind of wear-type wireless microphone, comprise and wear support, miaow head, power supply, circuit board, power management module, bluetooth module, 2.4G wireless module, mini USB charge port, mains switch, frequency adjustment button and external receiver; Described external receiver contains 2.4G wireless receiving module, Bluetooth receptions module and independent electric power supply; The described end wearing support is provided with headphone unit, by the bluetooth module in described housing and 2.4G wireless module audio reception.The utility model has the advantage of: a kind of light and flexible is provided, based on 2.4G frequency and blue tooth wireless technology transmission, can repeatedly charges and with a kind of wear-type wireless microphone of ear-phone function.

Description

A head-mounted wireless microphone

technical field

The utility model relates to the field of radio technology, in particular to a head-mounted wireless microphone.

Background technique

A wireless microphone is a structure that outputs audio signals from a microphone in a wireless manner. However, the current wireless microphones have shortcomings such as limited moving range, attenuation and distortion during the conversion of sound signals into electrical signals, noise generated by external interference, and use of disposable dry batteries. The existing FM, VHF, UHF frequency wireless microphones and infrared microphones will also There are mutual interference and reception blind spots, and the volume is large and the wiring is complicated. As a headset, it is relatively bulky.

Utility model content

The purpose of this utility model is to provide a light and flexible head-mounted wireless microphone based on 2.4G frequency and Bluetooth wireless technology transmission, rechargeable and with earphone function in order to solve the above-mentioned deficiencies in the prior art.

In order to achieve the above purpose, a head-mounted wireless microphone designed by the utility model includes a head-mounted bracket, a microphone, a power supply, a circuit board, a power management module, a Bluetooth module, a 2.4G wireless module, a mini USB charging port, and a power supply switch, frequency adjustment button and external receiver; the microphone is connected to the circuit board through wires for collecting external sound and outputting audio signals; the power management module, bluetooth module, 2.4G wireless module and mini USB The charging port is integrated on the circuit board; the power supply supplies power to the microphone and the circuit board; the power management module is connected to the mini USB charging port and the power supply respectively; wherein, the circuit board, power supply, and power supply The management module, bluetooth module, and 2.4G wireless module are packaged in a shell, and the frequency adjustment button, power switch and mini USB charging port are set on the surface of the shell; one end of the shell is connected to the head-mounted bracket, and the other end is connected to the The microphone.

Preferably, the external receiver contains a 2.4G wireless receiving module, a Bluetooth receiving module and an independent power supply system, so as to be used for devices that do not support 2.4G wireless receiving and Bluetooth receiving functions.

Preferably, the power system of the external receiver includes a power management module, a mini USB charging port and a power supply.

Preferably, an earphone unit is provided at the end of the head-mounted bracket, which can receive audio through the Bluetooth module and the 2.4G wireless module in the housing at the same time, and the head-mounted bracket with the earphone unit can pass through the housing Snap connection, detachable detachment.

A head-mounted wireless microphone obtained by the utility model has the characteristics of light overall shape and flexible use mode. After the audio signal is collected by the microphone, it is converted into an electrical signal through a circuit board, and then transmitted wirelessly through 2.4G wireless frequency or Bluetooth. To the receiving equipment for audio conversion, there will be no mutual interference and signal attenuation in the whole process. The overall module design is highly integrated and small in size; the product does not use dry batteries for power supply, but uses a power management module that can be repeatedly charged and discharged. The power supply design is more environmentally friendly and efficient; at the same time, this product also designs an external receiver with an independent power supply system for devices that do not have wireless receiving functions, by simply inserting the receiver into the audio input port of the device The wireless receiving function of the device can be realized, so that the adaptable range of the head-mounted wireless microphone is wider; in addition, the product is also designed with a headset function, which can also realize the reception of wireless audio signals, so that one machine can be used for multiple purposes. Resources are saved.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a side view of the housing of the present invention.

Fig. 3 is a schematic diagram of an external receiver of the present invention.

Fig. 4 is a schematic diagram of the internal structure of the housing of the present invention.

Fig. 5 is a schematic diagram of separation of the bracket and the shell of the utility model.

In the figure: bracket 1, microphone 2, power supply 3, circuit board 4, power management module 5, Bluetooth module 6, 2.4G wireless module 7, mini USB charging port 8, power switch 9, frequency adjustment button 10, external receiver Device 11, housing 12, 2.4G wireless receiving module 13, Bluetooth receiving module 14, independent power supply system 15, earphone unit 16, buckle 17.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Example:

As shown in Figures 1, 2, 3, and 4, a head-mounted wireless microphone includes a head-mounted bracket 1, a microphone 2, a power supply 3, a circuit board 4, a power management module 5, a Bluetooth module 6, and a 2.4G wireless microphone. Module 7, mini USB charging port 8, power switch 9, frequency adjustment button 10 and external receiver 11; the microphone 2 is connected to the circuit board 4 through wires for collecting external sound and outputting audio signals; power management module 5, Bluetooth module 6, 2.4G wireless module 7 and mini USB charging port 8 are integrated on circuit board 4; power supply 3 supplies power for microphone 2 and circuit board 4; power management module 5 is connected to mini USB charging port 8 and power supply 3 respectively; Among them, the circuit board 4, the power supply 3, the power management module 5, the Bluetooth module 6, and the 2.4G wireless module 7 are packaged in a housing 12, and the frequency adjustment button 10, the power switch 9 and the mini USB charging port 8 are arranged in the housing 12 Surface; one end of the housing 12 is connected to the headset bracket 1 , and the other end is connected to the microphone 2 .

The head-mounted wireless microphone also has an external receiver 11 that contains a 2.4G wireless receiving module 13, a Bluetooth receiving module 14 and an independent power supply system 15, so as to be used for devices that do not support 2.4G wireless receiving and Bluetooth receiving functions; The power supply system 15 of the receiver includes a power management module 5, a mini USB charging port 8 and a power supply 3; the end of the headset 1 is provided with an earphone unit 16, which can pass through the Bluetooth module 6 and the 2.4G wireless module 7 in the casing 12 at the same time To receive audio, the head-mounted bracket 1 with the earphone unit 16 can be connected with the housing 12 through a buckle 17, and can be detachably separated.

The head-mounted wireless microphone obtained in this embodiment has the characteristics of light overall shape and flexible use. After the audio signal is collected by the microphone 1, it is converted into an electrical signal by the circuit board 4, and then passed through the 2.4G wireless frequency or Bluetooth. Wireless transmission to the receiving device for audio conversion, the whole process will not have mutual interference and signal attenuation, the overall module design is highly integrated and small in size; the product does not use dry batteries for power supply, but uses a repeatable power management module 5 The charging and discharging power supply design is more environmentally friendly and efficient; at the same time, this product also designs an external receiver 11 with an independent power supply system for devices that do not have wireless receiving functions. Simply plug the receiver into the device The audio input port of the device can realize the wireless receiving function of the device, so that the adaptable range of the head-mounted wireless microphone is wider; in addition, the product is also designed with a headphone function, which can also realize the reception of wireless audio signals. One machine with multiple functions saves resources.

For those of ordinary skill in the technical field to which the present invention belongs, on the premise of not departing from the concept of the present utility model, its structural form can be flexible and changeable, and only a few simple deductions or replacements should be regarded as belonging to the utility model. The scope of patent protection is determined by the filed claims.

Claims (4)

1. A head-mounted wireless microphone, characterized in that it includes a head-mounted bracket (1), a microphone (2), a power supply (3), a circuit board (4), a power management module (5), a Bluetooth module (6 ), 2.4G wireless module (7), mini USB charging port (8), power switch (9), frequency adjustment button (10) and external receiver (11); the microphone (2) communicates with the The above circuit board (4) is connected to collect external sound and output audio signal; the power management module (5), Bluetooth module (6), 2.4G wireless module (7) and mini USB charging port (8) are integrated in the on the circuit board (4); the power supply (3) supplies power to the microphone (2) and the circuit board (4); the power management module (5) is connected to the mini USB charging port (8) Connected to the power supply (3); wherein, the circuit board (4), power supply (3), power management module (5), Bluetooth module (6), and 2.4G wireless module (7) are packaged in a housing (12) Inside, the frequency adjustment button (10), the power switch (9) and the mini USB charging port (8) are arranged on the surface of the housing (12); one end of the housing (12) is connected to the headset bracket (1), and the other Connect one end to the microphone (2). 2. A head-mounted wireless microphone according to claim 1, characterized in that: the external receiver (11) includes a 2.4G wireless receiving module (13), a Bluetooth receiving module (14) and an independent power supply system (15). 3. A head-mounted wireless microphone according to claim 1, characterized in that: the power system (15) of the external receiver includes a power management module (5), a mini USB charging port (8) and a power supply (3). 4. A head-mounted wireless microphone according to claim 1, characterized in that: the end of the head-mounted bracket (1) is provided with an earphone unit (16), which can pass through the The Bluetooth module (6) and the 2.4G wireless module (7) receive audio, and the head-mounted bracket (1) with the earphone unit (16) can be connected to the housing (12) through a buckle (17). Disassembly and separation.