CN106412785B - Multifunctional bone conduction hearing aid - Google Patents
Multifunctional bone conduction hearing aid Download PDFInfo
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- CN106412785B CN106412785B CN201610531120.3A CN201610531120A CN106412785B CN 106412785 B CN106412785 B CN 106412785B CN 201610531120 A CN201610531120 A CN 201610531120A CN 106412785 B CN106412785 B CN 106412785B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
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Abstract
The invention discloses a multifunctional bone conduction hearing aid, which comprises a hearing aid body; a circuit board disposed within the hearing aid body; a processor disposed on the circuit board; the hearing aid microphone is arranged on the hearing aid body and used for collecting external sound and user sound and converting the external sound and the user sound into sound electric wave signals; the Bluetooth module is arranged on the circuit board and used for wirelessly receiving and transmitting data; the Bluetooth microphone is arranged on the Bluetooth module and used for collecting user voice in a specified range and converting the user voice into a voice electric wave signal; a bone conduction vibrator provided on the hearing aid body and converting a sound wave signal into a bone conduction vibration signal; the sensitivity of the Bluetooth microphone is lower than that of the hearing-aid microphone. The hearing aid can be connected with the smart phone through Bluetooth when a call comes, the hearing aid microphone is closed and opened, and external sounds except the self sound are shielded when the call is answered, so that a hearing-aid-impaired person can communicate.
Description
Technical Field
The invention relates to the technical field of wearable intelligent equipment, in particular to a multifunctional bone conduction hearing aid.
Background
Sound is generated by the vibration of an object, and the object that is producing sound is called a sound source. Sound is simply the movement of pressure waves through air. The pressure wave vibrates the small bones of the inner ear (auditory ossicles), and these vibrations are converted into tiny electronic brain waves, which are the sounds we perceive. The inner ear uses the same principle as a microphone head capturing sound waves or the sound of a loudspeaker, which is the relationship between the moving mechanical parts and the pressure waves. Naturally, when the sound wave tone is low, moving slowly and large enough, the pressure wave can actually be "felt" to vibrate the body.
The hearing aid is an auxiliary hearing tool and is also a small loudspeaker, original inaudible sound is amplified, and residual hearing of the hearing-impaired people is utilized, so that the sound can be transmitted to the auditory center of the brain, and the user feels the sound. Hearing aids are classified into air conduction hearing aids and bone conduction hearing aids in terms of conduction.
Under normal conditions, we listen to sound in at least two ways: bone conduction and air conduction. The bone conduction mode is that sound signals vibrate the skull and are directly transmitted to the inner ear without passing through the outer ear and the middle ear; the air conduction mode refers to the transmission of sound through the outer ear and the middle ear to the inner ear.
Along with the development of science and technology and the continuous improvement of people's standard of living, the use of various intelligent wearing equipment is more and more popularized. However, the existing hearing aid cannot realize intelligent telephone answering, and can shield external sounds except self sounds when answering the telephone so as to improve the call quality.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention aims to provide a multifunctional bone conduction hearing aid, which solves the problems that the hearing aid in the prior art cannot realize intelligent telephone answering and shields external sounds except self sounds when answering a telephone.
The technical scheme of the invention is as follows:
a multifunctional bone conduction hearing aid, comprising:
a hearing aid body;
a circuit board disposed within the hearing aid body;
a processor disposed on the circuit board;
the hearing aid microphone is arranged on the hearing aid body and used for collecting external sound and user sound and converting the external sound and the user sound into sound electric wave signals;
the Bluetooth module is arranged on the circuit board and used for wirelessly receiving and transmitting data;
the Bluetooth microphone is arranged on the Bluetooth module and used for collecting user voice in a specified range and converting the user voice into a voice electric wave signal;
a bone conduction vibrator provided on the hearing aid body and converting a sound wave signal into a bone conduction vibration signal;
the sensitivity of the Bluetooth microphone is lower than that of the hearing-aid microphone.
The multifunctional bone conduction hearing aid is characterized in that the specified range is 0-0.4 m.
The multifunctional bone conduction hearing aid further comprises an answering key arranged on the hearing aid body, and the answering key is connected with the processor.
The multifunctional bone conduction hearing aid further comprises an audio amplifier circuit, a filter circuit and a bone conduction driving chip, wherein the audio amplifier circuit is arranged on the circuit board and connected with the hearing aid microphone and used for amplifying sound electric wave signals, the filter circuit is connected with the audio amplifier circuit and used for filtering clutter generated in the circuit, and the bone conduction driving chip is connected with the filter circuit and used for driving a bone conduction vibrator; the bone conduction driving chip is also connected with the bone conduction vibrator; the Bluetooth module is connected with the bone conduction driving chip; the Bluetooth microphone is connected with the bone conduction driving chip; the audio amplifier circuit is connected with the processor.
The multifunctional bone conduction hearing aid is characterized in that the number of the bone conduction vibrators is at least one.
The multifunctional bone conduction hearing aid further comprises a volume adjusting key arranged on the hearing aid body, and the volume adjusting key is connected with the processor.
The multifunctional bone conduction hearing aid comprises a hearing aid body, wherein the hearing aid body is a head band, a hair band, glasses or a watch.
The invention provides a multifunctional bone conduction hearing aid, which comprises a hearing aid body; a circuit board disposed within the hearing aid body; a processor disposed on the circuit board; the hearing aid microphone is arranged on the hearing aid body and used for collecting external sound and user sound and converting the external sound and the user sound into sound electric wave signals; the Bluetooth module is arranged on the circuit board and used for wirelessly receiving and transmitting data; the Bluetooth microphone is arranged on the Bluetooth module and used for collecting user voice in a specified range and converting the user voice into a voice electric wave signal; a bone conduction vibrator provided on the hearing aid body and converting a sound wave signal into a bone conduction vibration signal; the sensitivity of the Bluetooth microphone is lower than that of the hearing-aid microphone. The hearing aid can be connected with the smart phone through Bluetooth when a call comes, the hearing aid microphone is closed and opened, and external sounds except the self sound are shielded when the call is answered, so that a hearing-aid-impaired person can communicate.
Drawings
Fig. 1 is a functional block diagram of a preferred embodiment of the multifunctional bone conduction hearing aid according to the present invention.
Fig. 2 is a schematic view of an embodiment of a hearing aid body in the multifunctional bone conduction hearing aid according to the present invention.
Detailed Description
The invention provides a multifunctional bone conduction hearing aid, which is further described in detail below by referring to the attached drawings and examples in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a functional block diagram of a preferred embodiment of a multifunctional bone conduction hearing aid according to the present invention. As shown in fig. 1, the multifunctional bone conduction hearing aid comprises:
a hearing aid body 100;
a circuit board 200 disposed within the hearing aid body 100;
a processor 210 disposed on the circuit board 200;
a hearing aid head 110 provided on the hearing aid body 100 for collecting external sounds and user sounds and converting them into sound wave signals;
a bluetooth module 210 disposed on the circuit board 200 for wirelessly transceiving data;
a Bluetooth microphone 220 disposed on the Bluetooth module 210 and configured to collect user voice within a designated range and convert the user voice into a voice electric wave signal;
a bone conduction vibrator 120 provided in the hearing aid body 100 and configured to convert an acoustic wave signal into a bone conduction vibration signal;
the sensitivity of the bluetooth headset 220 is lower than the sensitivity of the hearing aid headset 110.
Preferably, as shown in fig. 1, the multifunctional bone conduction hearing aid further comprises an answer key 130 disposed on the hearing aid body 100, and the answer key 130 is connected to the processor 210.
In the embodiment of the invention, when the mobile phone has no call (namely the multifunctional bone conduction hearing aid and the mobile phone do not establish Bluetooth connection), the hearing aid microphone is started to collect sounds such as external sounds and user sounds, so that the hearing aid in a telephone-free conversation state is realized.
When the mobile phone has an incoming call, judging whether the answer key 130 is pressed in 3-5 seconds, if not, executing the following corresponding step (1), and if so, executing the following corresponding step (2):
(1) the bluetooth headset 220 is activated and the hearing aid headset 110 is deactivated. At this time, when the user of the hearing-impaired person needs to make a call, the call sound data in the mobile phone can be transmitted to the bluetooth module 210 in the multifunctional bone conduction hearing aid through the mobile phone bluetooth module, and the call content is transmitted to the hearing-impaired person through the bone conduction vibrator 120; and the sound of the user who is not hearing the barrier when the user returns is collected by the Bluetooth microphone 220, transmitted to the mobile phone through the Bluetooth module 210, and transferred through the mobile phone and the base station to realize the conversation.
(2) And judging the duration of pressing the answer key 130, and if the pressed duration exceeds 1 second, hanging up the incoming call, and still keeping starting the hearing-aid microphone 110 and closing the Bluetooth microphone 220. If the duration time of the pressing does not exceed 1 second, the Bluetooth microphone 220 is started, and the hearing-aid microphone 110 is closed; at this time, when the user of the hearing-impaired person needs to make a call, the call sound data in the mobile phone can be transmitted to the bluetooth module 210 in the multifunctional bone conduction hearing aid through the mobile phone bluetooth module, and the call content is transmitted to the hearing-impaired person through the bone conduction vibrator 120; and the sound of the user who is not hearing the barrier when the user returns is collected by the Bluetooth microphone 220, transmitted to the mobile phone through the Bluetooth module 210, and transferred through the mobile phone and the base station to realize the conversation.
The invention realizes that when a user wears the hearing aid body, sound signals vibrate the skull through a bone conduction mode, and the vibration directly enters the brain auditory nerve through a solid transmission mode, so that hearing-impaired people can conveniently talk with each other, communicate with normal people or make and receive calls, the communication interaction function is realized, and great convenience is provided for the hearing-impaired people.
In the embodiment of the present invention, the bluetooth module 210 is preferably a bluetooth 4.0 module. When other users send audio data to the multifunctional bone conduction hearing aid through the bluetooth function of a mobile terminal (such as a smart phone), the audio data is received through the bluetooth module 210, the bone conduction vibrator 120 is driven by the bone conduction driving chip 250 to be converted into a bone conduction vibration signal, and the generated vibration is transmitted into the auditory nerve of the brain through the skin and bones of people; provides a hearing aid convenient to use for the hearing-impaired people, and can realize the function of communication interaction. And when receiving a call, the system shields the outside sound except the self sound so as to help the hearing-impaired to talk. Moreover, the bluetooth module 210 is used for transmitting data, and the characteristic of single point-to-single point connection in bluetooth connection is utilized, so that the security of data transmission is improved.
Preferably, as shown in fig. 1, the multifunctional bone conduction hearing aid further includes an audio amplifier circuit 230 disposed on the circuit board 200 and connected to the hearing aid head 110 for amplifying the sound wave signal, a filter circuit 240 connected to the audio amplifier circuit 230 for filtering out noise generated in the circuit, and a bone conduction driving chip 250 connected to the filter circuit 240 for driving the bone conduction vibrator; the bone conduction driving chip 250 is further connected with the bone conduction vibrator 120; the bluetooth module 210 is connected to the bone conduction driver chip 250; the bluetooth microphone 220 is connected with the bone conduction driving chip 250; the audio amplifier circuit 230 is connected to the processor 210.
Preferably, the number of the bone conduction transducers 120 is at least one. The multifunctional bone conduction hearing aid further comprises a volume adjusting key 140 arranged on the hearing aid body 100, and the volume adjusting key 140 is connected with the processor 210.
Further, in order to provide sufficient power using the multifunctional bone conduction hearing aid, a polymer battery is disposed in the hearing aid body 100, and the polymer battery is connected to the processor 210.
Further, in the multifunctional bone conduction hearing aid of the present embodiment, the hearing aid body 100 is provided with a solar power generation panel, and the solar power generation panel is used for supplying power, so that energy conservation, environmental protection and power saving are achieved. Preferably, the solar circuit board is connected with the polymer battery.
In a specific implementation, in the multifunctional bone conduction hearing aid, the hearing aid body 100 is a headband, a hair band, glasses or a watch. As shown in fig. 2, the hearing aid body 100 is a head band.
In summary, the multifunctional bone conduction hearing aid provided by the invention comprises a hearing aid body; a circuit board disposed within the hearing aid body; a processor disposed on the circuit board; the hearing aid microphone is arranged on the hearing aid body and used for collecting external sound and user sound and converting the external sound and the user sound into sound electric wave signals; the Bluetooth module is arranged on the circuit board and used for wirelessly receiving and transmitting data; the Bluetooth microphone is arranged on the Bluetooth module and used for collecting user voice in a specified range and converting the user voice into a voice electric wave signal; a bone conduction vibrator provided on the hearing aid body and converting a sound wave signal into a bone conduction vibration signal; the sensitivity of the Bluetooth microphone is lower than that of the hearing-aid microphone. The hearing aid can be connected with the smart phone through Bluetooth when a call comes, the hearing aid microphone is closed and opened, and external sounds except the self sound are shielded when the call is answered, so that a hearing-aid-impaired person can communicate.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (6)
1. A multi-functional bone conduction hearing aid, comprising:
a hearing aid body;
a circuit board disposed within the hearing aid body;
a processor disposed on the circuit board;
the hearing aid microphone is arranged on the hearing aid body and used for collecting external sound and user sound and converting the external sound and the user sound into sound electric wave signals;
the Bluetooth module is arranged on the circuit board and used for wirelessly receiving and transmitting data;
the Bluetooth microphone is arranged on the Bluetooth module and used for collecting user voice in a specified range and converting the user voice into a voice electric wave signal;
a bone conduction vibrator provided on the hearing aid body and converting a sound wave signal into a bone conduction vibration signal; the sensitivity of the Bluetooth microphone is lower than that of the hearing-aid microphone;
the hearing aid also comprises an answering key arranged on the hearing aid body, and the answering key is connected with the processor;
when an incoming call is received, judging whether an answering key is pressed for 3-5 seconds, if not, starting a Bluetooth microphone, and closing a hearing-aid microphone; if the duration time of the pressed answering key exceeds 1 second, hanging up the incoming call, and keeping starting the hearing-aid microphone and closing the Bluetooth microphone; if the duration that the answer key is pressed does not exceed 1 second, start the bluetooth miaow head, close the hearing aid miaow head.
2. The multifunctional bone conduction hearing aid according to claim 1, wherein the specified range is 0-0.4 m.
3. The multifunctional bone conduction hearing aid according to claim 1, further comprising an audio amplifier circuit connected to the hearing aid head and disposed on the circuit board for amplifying the sound wave signal, a filter circuit connected to the audio amplifier circuit for filtering noise generated in the circuit, and a bone conduction driving chip connected to the filter circuit for driving the bone conduction vibrator; the bone conduction driving chip is also connected with the bone conduction vibrator; the Bluetooth module is connected with the bone conduction driving chip; the Bluetooth microphone is connected with the bone conduction driving chip; the audio amplifier circuit is connected with the processor.
4. The multifunctional bone conduction hearing aid according to claim 1, wherein the number of the bone conduction elements is at least one.
5. The multifunctional bone conduction hearing aid according to claim 1, further comprising a volume adjustment key provided on the hearing aid body, the volume adjustment key being connected to the processor.
6. The multifunctional bone conduction hearing aid according to claim 1, wherein the hearing aid body is a headband, a hair band, glasses or a watch.
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CN201610531120.3A CN106412785B (en) | 2016-07-07 | 2016-07-07 | Multifunctional bone conduction hearing aid |
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CN201610531120.3A CN106412785B (en) | 2016-07-07 | 2016-07-07 | Multifunctional bone conduction hearing aid |
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CN106412785B true CN106412785B (en) | 2021-12-28 |
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CN110418267A (en) * | 2019-08-16 | 2019-11-05 | 福建太尔集团股份有限公司 | Hearing aid with osteoacusis and conductance function |
CN112822589B (en) * | 2020-12-30 | 2023-08-25 | 广东美她实业投资有限公司 | Patch type earphone |
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