CN201383874Y - Wireless Powered Bluetooth Noise Anti-Noise Hearing Aid - Google Patents

Abstract

The utility model provides a wireless power supply type Bluetooth anti-noise hearing aid. Using wireless power supply to transmit electric energy, wireless data transmission information and adaptive audio processing technology, the machine is composed of remote control, earphone and accessories. The central processor of the remote control circuit receives keyboard input commands and outputs control signals to wirelessly control the work of turning on or off the earphones; select different Bluetooth devices and earphones for data transmission; select ordinary portable multimedia communication devices for data transmission through the local Bluetooth transceiver and earphones ; The control function expansion port, combined with an additional FM receiver or FM modulator, constitutes a multimedia radio, bug or walkie-talkie; it controls the recording or playback of live or online calls by a digital recorder. Display the function menu and working status; use various chargers to charge the battery in the remote control to ensure that the headset can continue to work without interruption. The earphone power supply receives the electromagnetic wave sent by the wireless power supply transmitting module through the wireless power supply receiving circuit. closure. The current induced by wireless power supply not only meets the requirements of earphone power output and acoustic effect, but also meets the requirements of small size, and the working time is uninterrupted; there is no need for frequent battery replacement or charging, which is convenient to use and avoids economic waste; according to the ear canal The shape of the hole is customized into a fully enclosed in-ear, ear canal or deep ear canal earphone to meet the hidden psychology of the wearer. Without special circumstances, it is usually implanted into the ear canal for permanent use, which is conducive to sweat and dust resistance and high reliability. , and can also be applied to underwater operations. Adaptive audio processing can reduce noise according to the requirements of personal hearing information, attenuate or amplify the sound, and has the function of anti-noise device and hearing aid. It is not only suitable for the hearing-impaired, but also suitable for ordinary people to protect the human body from strong noise under strong noise. Users can listen to the multimedia sound of telephones, computers and TVs wirelessly. The utility model has the characteristics of multiple functions, wide application range, small size, high electrical performance, durability and good concealment. The utility model is an economical, practical, and easy-to-use wireless power supply type Bluetooth anti-noise hearing aid.

Description

Wireless Powered Bluetooth Noise Anti-Noise Hearing Aid

technical field

The utility model relates to electronic communication products, in particular to a wireless power supply type bluetooth anti-noise hearing aid.

Background technique

Bluetooth technology has been widely used in short-distance communication between various electronic devices. Users of Bluetooth hearing aids can listen to multimedia sounds from phones, computers and TVs wirelessly. Existing bluetooth hearing aids are powered by batteries. It is inconvenient and uneconomical to replace batteries or recharge frequently, which is not conducive to environmental protection; there are also switches, battery compartments, and volume adjustment knobs on the outer panel of the earphones, which are not conducive to sweat and dust. Users with inconvenient eye movements are also more uncomfortable; the behind-the-ear and acoustic boots have large power output and good acoustic effects, and are suitable for people with different hearing loss from mild to severe, but the power consumption is large and the volume is also large, which cannot satisfy users. In-ear, ear canal, and deep ear canal hearing aids are successively reduced in size and power output, and are suitable for people with different hearing loss from mild to severe, and the two cannot be taken into account; hearing aids mainly have the function of audio frequency amplification , only suitable for hearing loss, not suitable for normal people to use in normal environment or strong noise environment, the purpose is relatively single.

Contents of the invention

The utility model solves the defects of the above-mentioned Bluetooth hearing aid in design, and provides a wireless power supply type Bluetooth anti-noise hearing aid composed of a remote controller, earphones and accessories. The remote controller is composed of a machine shell, a circuit board, a keyboard, a display, an audio input socket, a function expansion socket, a battery, a solar cell and a charging interface device; the earphone is composed of a circuit board, a receiver, a microphone and an earphone shell. The surface of the shell of the remote controller is equipped with an operation keyboard, a display screen, and a solar battery; the side is an audio input socket, a function expansion socket, and a charging interface device; The main circuit board has a wireless power supply transmitting module, a central processing unit, an audio input switch, a bluetooth transceiver 1, and a circuit composed of a digital recorder. The keyboard input command, the central processor processes the output control signal, and the command controls to turn on the wireless power supply transmitting module to work to send electromagnetic waves to the space. The earphone wireless power supply receiving circuit receives electromagnetic waves of LC resonant frequency, and the induced ground current is rectified and filtered into DC to work. To achieve the switch of the wireless remote control headset; command control to select Bluetooth transceiver 1 or an external Bluetooth device for data transmission with the headset; command control audio input switch, select the audio input port of the portable multimedia communication device without Bluetooth function, through the Bluetooth transceiver 1 Data transmission with the earphone; command control digital recorder, recording or playback of live or online calls; command control function expansion port, combined with additional FM receiver, FM modulator and external wireless equipment to form a multimedia radio, bug or intercom. The display shows the selected function menu and working status, and the solar battery continuously charges the built-in battery to ensure the uninterrupted continuous operation of the headset. The earphone circuit board has a circuit composed of a wireless power supply receiving circuit and an adaptive audio processing circuit. The wireless power supply receiving circuit receives electromagnetic waves of LC resonance frequency, and the induced direct current is used as the working power supply of the earphone. The current induced by the wireless power supply is sufficient to meet the requirements of high power output. , higher electrical performance; the self-adaptive audio processing circuit contains memory for storing hearing information of different channels of the user, noise information that affects speech clarity, and strong noise information that is harmful to the human body; the audio processor is used to quickly identify the type of noise for processing Noise reduction processing, attenuating or amplifying the sound according to the requirements of personal hearing information; the Bluetooth transceiver 2 is used for wireless data transmission with each Bluetooth device. For normal people in a strong noise environment, the receiver accepts the ambient sound, and the audio processor filters or attenuates the strong noise to protect the human ear from being damaged by harmful strong noise, and acts as an anti-noise device; for hearing loss, the audio processor Filter out noise and amplify sound to act as a hearing aid. When the earphone receives the Bluetooth signal, the audio processor will automatically turn off or reduce the sensitivity of the MIC, so that the user can listen to the sound of the phone and other portable multimedia audio wirelessly without being affected, and adaptively play the role of the Bluetooth earphone, the Bluetooth hearing aid, and the Bluetooth anti-noise device. role, a wide range of applications. Using wireless power transmission, wireless data transmission and adaptive audio processing technology, the outer surface of the earphone no longer needs battery compartments, switches and volume adjustment knobs. Transparent soft silicone rubber materials can be customized according to the shape of the inner hole of the ear canal to form a fully enclosed in-ear Type, ear canal type or deep ear canal type, very small in size, soft and comfortable, and sweat and dust resistant, disposable implanted for permanent use, good concealment, and also suitable for underwater operations.

In summary, the utility model has the characteristics of multiple functions, wide application range, small size, high electrical performance, durability and good concealment. The utility model is an economical, practical, and easy-to-use wireless power supply type Bluetooth anti-noise hearing aid. The technical scheme that the utility model solves its technical problem adopts is:

The wireless powered Bluetooth anti-noise hearing aid consists of a remote control, earphones and accessories. The remote control is composed of a machine shell, circuit board, keyboard, display, audio input socket, function expansion socket, battery, solar battery and charging interface device; the earphone is composed of a circuit board, receiver, microphone and earphone shell; accessories include audio connection line, USB and card reader cables, chargers, FM receivers, FM modulators External wireless devices.

The remote controller is used for wireless power supply to the earphone, wireless data transmission, docking with portable audio equipment, and functional remote control of the earphone.

The shell of the machine is equipped with a circuit board inside; the surface is provided with a keyboard, a display screen, and a solar battery; the side is provided with an input signal input socket, a function expansion socket, and a charging interface device; Remote control case.

The circuit main board is a printed electronic circuit board equipped with a central processing unit, an audio input switch, a bluetooth transceiver 1, a digital recorder and a wireless power supply transmitting module.

The central processing unit is a central processing integrated circuit that processes input instructions and outputs control signal instructions to control various functions of the earphone.

The wireless power supply transmitting module is a circuit module for wireless power supply transmission containing a fixed frequency oscillator and a power amplifier. When working, it transmits electromagnetic waves of LC resonance frequency to the space, and provides direct current converted by induction electromagnetic waves to the earphone.

The display is a display screen for displaying function selection menus and working states.

The solar battery is a thin-film solar battery attached to the upper surface of the machine shell as a charging power source, which can continuously charge the built-in battery and ensure the uninterrupted continuous operation of the earphone.

The earphone is a fully enclosed in-ear, ear canal or deep ear canal integrated wireless Bluetooth earphone, Bluetooth hearing aid, and Bluetooth anti-noise device using wireless power supply transmission, wireless data transmission and adaptive audio processing technology. style, small size. The circuit board is a printed circuit board with a receiver MIC at the front end and a microphone Y at the rear end, and an electronic circuit board composed of a wireless power supply receiving circuit and an adaptive audio processing circuit.

The wireless power supply receiving circuit receives electromagnetic waves of LC resonant frequency, and induces direct current as the working power source of the earphone. The current induced by the wireless power supply is sufficient to meet the requirements of high-power output, and the electrical performance is higher;

The self-adaptive audio processing circuit contains memory for storing hearing information of different channels of the user, noise information affecting speech intelligibility, and strong noise information harmful to the human body; the audio processor is used for quickly identifying noise types for noise reduction Processing, attenuating or amplifying the sound according to the requirements of personal hearing information; the Bluetooth transceiver 2 is used for wireless data transmission with each Bluetooth device. For normal people in a strong noise environment, the receiver accepts the ambient sound, and the audio processor filters or attenuates the strong noise to protect the human ear from being damaged by harmful strong noise, and acts as an anti-noise device; for hearing loss, the audio processor Filter out noise and amplify sound to act as a hearing aid. When the earphone receives the Bluetooth signal, the audio processor will automatically turn off or reduce the sensitivity of the MIC, so that the user can listen to the sound of the phone and other portable multimedia audio wirelessly without being affected, and adaptively play the role of the Bluetooth earphone, the Bluetooth hearing aid, and the Bluetooth anti-noise device. role, a wide range of applications.

The wireless power supply receiving circuit is used to receive electromagnetic waves of LC resonant frequency, the induced current is rectified and filtered into direct current, and the remote controller turns on or off the power supply of the wireless power supply transmitting module to remotely turn on or off the earphone.

The receiver is a microphone MIC that converts acoustic signals into electrical signals.

The microphone is a converter Y that converts electrical signals into sound.

The earphone shell is made of transparent soft silicone rubber material according to the shape of the inner hole of the ear canal to make a fully enclosed in-ear, ear canal or deep ear canal earphone shell. The shell is connected with a small drawstring for convenience. take out.

The accessories include an audio connection line for connecting multimedia audio equipment; a USB and card reader connection line for connecting the USB and card reader data interface; an AC power charger and a car battery for charging the remote control battery receiver; wireless FM receiver and FM modulator for function expansion, these accessories are optional.

In summary, the utility model has the characteristics of multiple functions, wide application range, small size, high electrical performance, durability and good concealment. The utility model is an economical, practical, and easy-to-use wireless power supply type Bluetooth anti-noise hearing aid.

Description of drawings:

The general schematic diagram of Fig. 1 utility model

Figure 2 Schematic diagram of the remote control

Figure 3 Schematic Diagram of Headphones

Figure 4 block diagram of remote control circuit

Figure 5 Block diagram of the earphone circuit

Figure 6 schematic diagram of accessories

Detailed ways

The utility model wireless power supply type Bluetooth anti-noise hearing aid comprises a remote controller (11), earphones (12) and accessories (13) shown in Fig. 1 . The machine casing (21) panel of remote controller shown in Fig. 2 is provided with operating keyboard (22), is used to display the display screen (23) of function selection menu and work status, as the thin-film solar cell (24) of uninterrupted charging power supply ); the side is provided with an audio input socket and a function expansion socket (25) and a charging interface device (26), a bottom cover (27); a battery (28) and a circuit main board (29) are housed inside. Earphone (12) shown in Fig. 3, internal circuit board (31) is equipped with wireless power supply receiving circuit (32) and electromagnetic induction coil (33); Adaptive audio frequency processor and bluetooth transceiver circuit (34), front-end Receiver MIC (35) is arranged, and microphone Y (36) is connected at the rear end, and a small stay cord (38) is connected outside the earphone shell (37). The main functions of the remote control shown in Figure 4 are wireless power supply to the headset, wireless data transmission, connection to portable audio devices and chargers, function expansion, and functional remote control of the headset. The internal circuit main board is equipped with a wireless power supply transmitting module, a central processing unit, an audio input switch, a bluetooth transceiver 1, and a digital recorder circuit. The keyboard input command, the central processor processes the output control signal, and the command controls the operation of the wireless power supply transmitting module; the command controls the selection of the Bluetooth transceiver 1 or the external Bluetooth device and the headset for data transmission; the command controls the audio input switch, and selects the audio input port to pass The bluetooth transceiver 1 performs data transmission with the earphone; the command controls the digital recording and playback device to record or replay live or online calls; the command control function expansion port constitutes a multimedia radio, bug or walkie-talkie. The display screen shows the function selection menu and working status, and the solar battery charges the built-in battery to ensure the uninterrupted continuous operation of the headset. The earphone circuit shown in Figure 5 has two parts: a wireless power supply receiving circuit and an adaptive audio processing circuit. The earphone power supply is provided by receiving the electromagnetic wave of LC resonance frequency sent by the wireless power supply transmitting module through the wireless power supply receiving circuit, and the induced current is rectified and filtered into direct current. Turn on or off the power of the wireless power supply transmitter module of the remote control, and then the remote control headset can be turned on or off. The current induced by wireless power supply is sufficient to meet the requirements of high-power output, and the electrical performance is higher; the adaptive audio processing circuit contains a memory for storing the hearing information of different channels of the user, noise information that affects speech clarity, and strong damage to the human body. Noise information; the audio processor is used to quickly identify the type of noise for noise reduction processing, and attenuate or amplify the sound according to the requirements of personal hearing information; the Bluetooth transceiver 2 is used for wireless data transmission with each Bluetooth device. For normal people in a strong noise environment, the receiver accepts the ambient sound, and the audio processor filters or attenuates the strong noise to protect the human ear from being damaged by harmful strong noise, and acts as an anti-noise device; for hearing loss, the audio processor Filter out noise and amplify sound to act as a hearing aid. When the earphone receives the Bluetooth signal, the audio processor will automatically turn off or reduce the sensitivity of the MIC, so that the user can listen to the sound of the phone and other portable multimedia audio wirelessly without being affected, and adaptively play the role of the Bluetooth earphone, the Bluetooth hearing aid, and the Bluetooth anti-noise device. role, a wide range of applications. Using wireless power transmission, wireless data transmission and adaptive audio processing technology, the outer surface of the earphone no longer needs battery compartments, switches and volume adjustment knobs. Transparent soft silicone rubber materials can be customized according to the shape of the inner hole of the ear canal to form a fully enclosed in-ear Type, ear canal type or deep ear canal type, very small in size, soft and comfortable, and sweat and dust resistant, disposable implanted for permanent use, good concealment, and also suitable for underwater operations. The accessories shown in Figure 6 include an audio connection cable for connecting multimedia audio equipment; a data interface connection cable for connecting USB and a card reader; a charger for charging the battery of the remote control; a wireless FM modulation for function expansion device. These accessories are optional.

In summary, the utility model has the characteristics of multiple functions, wide application range, small size, high electrical performance, durability and good concealment. The utility model is an economical, practical, and easy-to-use wireless power supply type Bluetooth anti-noise hearing aid.

Claims (8)

1. The wireless power supply type Bluetooth anti-noise hearing aid is characterized in that the machine is composed of a remote control (11), earphones (12), and accessories (13), and the remote control is composed of a machine shell (21), a keyboard (22), a display screen (23), solar battery (24), audio input and function expansion socket (25), charging interface device (26), bottom cover plate (27), battery (28) and circuit main board (29) constitute; earphone (12) It consists of a circuit board (31), a wireless power supply receiving circuit (32), an electromagnetic induction coil (33), an adaptive audio frequency processing circuit (34), a receiver (35), a microphone Y (36), an earphone shell (37) and an external small Stay cord (38) constitutes. 2. The wireless power supply type bluetooth anti-noise hearing aid according to claim 1, characterized in that a keyboard (22) is provided on the machine casing (21), and a display screen (23) is used to display selection function menus and working conditions, and the solar battery (24) as uninterrupted charging power supply, audio frequency input and function extension socket (25) and charging interface device (26), bottom cover plate (27) is convenient to open and install battery (28), and circuit board (29) is housed inside. 3. The wireless power supply type bluetooth anti-noise hearing aid according to claim 1 is characterized in that central processing unit, audio input switch, bluetooth transceiver 2, digital recorder and wireless power supply transmitting module are installed on the circuit main board (29) . 4. The central processing unit according to claim 3, characterized in that it outputs a control signal, and the command controls to open or close the wireless power supply transmitting module, and the switch of the wireless remote control earphone; the command control selects the bluetooth device and the earphone to carry out data transmission; the command Control the audio input switch, select the audio input source for data transmission through the Bluetooth transceiver 1 and the earphone; command to control the recording or playback of live or online calls by the digital recorder; command control function expansion port to form a multimedia radio, bug or walkie-talkie. 5. The wireless power supply type Bluetooth anti-noise hearing aid according to claim 1, characterized in that the earphone shell (37) is made of transparent soft silicone rubber material according to the shape of the inner hole of the ear canal, and is customized into a fully enclosed in-ear or deep ear canal headphone case. 6. The wireless power supply type Bluetooth anti-noise hearing aid according to claim 1, characterized in that the power supply of the earphone (12) is through the electromagnetic induction coil L2 (33) of the wireless power supply receiving circuit (32), and the receiving power is received by the wireless power supply transmitting module. The electromagnetic wave at the LC resonance frequency is sent, and the induced current is rectified and filtered to provide direct current. Turn on or off the power of the wireless power supply transmitter module of the remote control, and then the remote control headset can be turned on or off. 7. The wireless power supply type bluetooth anti-noise hearing aid according to claim 1, characterized in that the adaptive audio processing circuit (34) contains a memory for storing the hearing information of different channels of the user and the noise information affecting speech intelligibility and the The human body is damaged by strong noise information, the audio processor quickly identifies the noise type, performs noise reduction processing, and attenuates or amplifies the sound according to the requirements of personal hearing information, and the Bluetooth transceiver performs wireless data transmission between Bluetooth devices. 8. The wireless powered Bluetooth anti-noise hearing aid according to claim 1, characterized in that the remote controller can be a separate handheld device, or can be installed and integrated into a mobile phone or other devices.

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