CN206251331U - A kind of ear-level hearing aid - Google Patents
A kind of ear-level hearing aid Download PDFInfo
- Publication number
- CN206251331U CN206251331U CN201621348499.6U CN201621348499U CN206251331U CN 206251331 U CN206251331 U CN 206251331U CN 201621348499 U CN201621348499 U CN 201621348499U CN 206251331 U CN206251331 U CN 206251331U
- Authority
- CN
- China
- Prior art keywords
- ear
- receiver
- electric signal
- hearing aid
- microphone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model is related to a kind of ear-level hearing aid, including power supply, microphone, signal processing circuit, receiver and volume control circuit, acoustic signals in environment are converted to electric signal and transmitted to signal processing circuit by microphone, signal processing circuit is processed the electric signal, and the electric signal output after treatment to receiver is played；The electric signal that signal processing circuit is transmitted is converted to acoustic signals by receiver, and is transferred to human ear.The utility model has the following advantages that：（1）Acoustic signals are directly processed and played using the integrated chip BU7150 with amplification and de-noising function, without being separately provided main control chip, sound-reducing is clear, and effect is good, and more conducively small size design, cost-effective；（2）And the integrated chip supports low-and high-frequency model selection, sound effect is further improved, improve people's use feeling；（3）Potentiometer coordinates knob volume adjusting mode, and the increase and decrease of not only easy to operate and volume is uniform, reduces the stimulation to human ear.
Description
Technical field
The utility model is related to audiphone, more particularly to a kind of ear-level hearing aid.
Background technology
Audiphone is a kind of small-sized public address equipment for using, compensating hearing loss for the person that listens to barrier, especially for old man,
With advancing age, Listening Ability of Ethnic can also decline therewith, and wear hearing aid is a good solution for solving Hearing
Certainly scheme.Audiphone is generally divided into four types by appearance structure：Behind-the-ear（BTE）, inner ear type（ITE）, duct-type（ITC）、
Deep duct-type（CIC）.It is big to there is volume in existing audiphone, and worry effect of making an uproar is poor, the problems such as audio distortions.
Utility model content
The purpose of this utility model is to provide a kind of small volume and the good audiphone of low noise, effect.
The technical solution of the utility model is as follows：A kind of ear-level hearing aid, including power supply, microphone, signal transacting electricity
Road, receiver and volume control circuit, the power supply are used to provide electric energy needed for whole circuit；The microphone is used to receive environment
In acoustic signals be converted to electric signal, and by electric signal transmission to signal processing circuit；The signal processing circuit uses sound
Frequency process chip U1, the microphone, volume control circuit and receiver are connected to I/O mouthfuls of audio processing chip U1；Its
The electric signal that microphone is received is processed, and the electric signal output after treatment to receiver is played；The receiver is by signal
The electric signal of process circuit transmission is converted to acoustic signals, and is transferred to human ear.
Preferably, volume control circuit includes potentiometer R7, electric capacity C4 and resistance R3, and potentiometer R7 sliding contacts are connected to
Electric capacity C4, wiring one end is connected to the port of audio processing chip U1, and the wiring other end accesses resistance R3, another terminations of resistance R3
Enter I/O mouthfuls of audio processing chip U1, the C4 other ends also access I/O mouthfuls of audio processing chip U1.
Preferably, the audio processing chip U1 uses BU7150 chips.
Preferably, the signal processing circuit is provided with full range/low frequency mode switching switch, at the switching switch and audio
The I/O mouthfuls of connection of reason chip U1.
Preferably, the volume control circuit is adjusted using knob.
The utility model has the following advantages that：（1）Using the integrated chip BU7150 with amplification and de-noising function to sound
Ripple signal is directly processed and played, and without being separately provided main control chip, sound-reducing is clear, and effect is good, and more conducively small
Volume is designed, cost-effective；（2）And the integrated chip supports low-and high-frequency model selection, sound effect is further improved, improve people
Use feeling；（3）Potentiometer coordinates knob volume adjusting mode, and the increase and decrease of not only easy to operate and volume is uniform, reduces to people
The stimulation of ear.
Brief description of the drawings
Fig. 1 is the circuit diagram of ear-level hearing aid described in the utility model.
Specific embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.
Audiphone described in the utility model is used for the mini-plant that the person that listens to barrier uses.Fig. 1 is referred to, it is the utility model
The circuit diagram of the ear-level hearing aid；A kind of ear-level hearing aid, including power supply 1, microphone 2, signal processing circuit
3rd, receiver 4 and volume control circuit 5, power supply 1 are used to provide electric energy needed for whole circuit；During microphone 2 is used to receive environment
Acoustic signals are converted to electric signal, and by electric signal transmission to signal processing circuit 3；Signal processing circuit 3 uses audio frequency process
Chip U1, microphone 2, volume control circuit 5 and receiver 4 are connected to I/O mouthfuls of audio processing chip U1；It is to microphone
2 electric signals for receiving are processed, and the electric signal output after treatment to receiver 4 is played；Receiver 4 is by signal processing circuit 3
The electric signal of transmission is converted to acoustic signals, and is transferred to human ear；Power supply 1 use low-voltage button power supply, with it is safe,
The advantage of stable performance, it is adaptable to the power supply of the ear-level hearing aid.
In order to reduce influence of noise, the definition of output sound is improved, microphone 2 uses high sensitivity microphone miaow, the words
Cylinder miaow has the advantages that low noise, range of receiving are wide；Receiver 4 using dynamic iron loudspeaker, with being difficult distortion, the big spy of sound density
Point.
In the present embodiment, audio processing chip U1 using model BU7150 audio amplification chip, the chip have disappear
Except sonic boom and the advantage of protection circuit.
In order to preferably adjust volume output, volume control circuit includes potentiometer R7, electric capacity C4 and resistance R3, wherein,
Potentiometer R7 sliding contacts are connected to electric capacity C4, and wiring one end is connected to the port of audio processing chip U1, another termination of wiring
Enter resistance R3, the resistance R3 other ends access I/O mouthfuls of audio processing chip U1, and the C4 other ends also access audio processing chip U1's
I/O mouthfuls.Volume control circuit 4 is adjusted using knob, easy to operate.In this way, the resistance for passing through regulating resistor, and then change electricity
Size of current in road, so as to control the volume of receiver 4, user can adjust volume according to the hearing degree of itself.
In order to meet the sound effect of varying environment, signal processing circuit 3 is provided with full range/low frequency mode switching switch 6,
Switching switch 6 is connected with I/O mouthfuls of audio processing chip U1, wherein, full range pattern retains complete to low-and high-frequency sound, low frequency
Pattern retains low frequency and high frequency is made to decay, and environment unrestricted choice is answered to be adapted to different the listening of user.
The utility model has the following advantages that：（1）Using the integrated chip BU7150 with amplification and de-noising function to sound
Ripple signal is directly processed and played, and without being separately provided main control chip, sound-reducing is clear, and effect is good, and more conducively small
Volume is designed, cost-effective；（2）And the integrated chip supports low-and high-frequency model selection, sound effect is further improved, improve people
Use feeling；（3）Potentiometer coordinates knob volume adjusting mode, and the increase and decrease of not only easy to operate and volume is uniform, reduces to people
The stimulation of ear.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of ear-level hearing aid, including power supply, microphone, signal processing circuit, receiver and volume control circuit, its feature
It is,
The power supply is used to provide electric energy needed for whole circuit；
The acoustic signals that the microphone is used to receive in environment are converted to electric signal, and electric signal transmission is electric to signal transacting
Road；
The signal processing circuit uses audio processing chip U1, and the microphone, volume control circuit and receiver are connected respectively
In I/O mouthfuls of audio processing chip U1；It is processed the electric signal that microphone is received, and by the electric signal output after treatment
Played to receiver；
The electric signal that signal processing circuit is transmitted is converted to acoustic signals by the receiver, and is transferred to human ear.
2. ear-level hearing aid according to claim 1, it is characterised in that volume control circuit includes potentiometer R7, electricity
Hold C4 and resistance R3, potentiometer R7 sliding contacts are connected to electric capacity C4, and wiring one end is connected to the port of audio processing chip U1,
The wiring other end accesses resistance R3, and the resistance R3 other ends access I/O mouthfuls of audio processing chip U1, and the C4 other ends also access audio
I/O mouthfuls of process chip U1.
3. ear-level hearing aid according to claim 1, it is characterised in that the audio processing chip U1 uses BU7150
Chip.
4. ear-level hearing aid according to claim 1, it is characterised in that the signal processing circuit be provided with full range/
Low frequency mode switching switch, the switching switch is connected with I/O mouthfuls of audio processing chip U1.
5. ear-level hearing aid according to claim 1, it is characterised in that the volume control circuit is adjusted using knob
Section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621348499.6U CN206251331U (en) | 2016-12-09 | 2016-12-09 | A kind of ear-level hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621348499.6U CN206251331U (en) | 2016-12-09 | 2016-12-09 | A kind of ear-level hearing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206251331U true CN206251331U (en) | 2017-06-13 |
Family
ID=59006138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621348499.6U Active CN206251331U (en) | 2016-12-09 | 2016-12-09 | A kind of ear-level hearing aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206251331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300363A (en) * | 2019-06-20 | 2019-10-01 | 钰太芯微电子科技（上海）有限公司 | A kind of MEMS microphone and fully integrated hearing aid |
| CN110324773A (en) * | 2019-06-20 | 2019-10-11 | 钰太芯微电子科技（上海）有限公司 | A kind of microphone and hearing aid of integrated audio amplifier |
-
2016
- 2016-12-09 CN CN201621348499.6U patent/CN206251331U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300363A (en) * | 2019-06-20 | 2019-10-01 | 钰太芯微电子科技（上海）有限公司 | A kind of MEMS microphone and fully integrated hearing aid |
| CN110324773A (en) * | 2019-06-20 | 2019-10-11 | 钰太芯微电子科技（上海）有限公司 | A kind of microphone and hearing aid of integrated audio amplifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203761556U (en) | Double-microphone noise reduction earphone | |
| CN204031403U (en) | Osteoacusis and air transmitted combination earphone | |
| CN110475178A (en) | A kind of wireless headset noise-reduction method, device and wireless headset and storage medium | |
| CN206251331U (en) | A kind of ear-level hearing aid | |
| CN207443128U (en) | A kind of mobile terminal with hearing-aid function | |
| CN203968327U (en) | A kind of exempt from extract carry out low coverage dialogue earphone | |
| CN106550074A (en) | A kind of improved structure of combination earpiece loudspeaker | |
| CN102469399A (en) | Noise-reduction hearing aid | |
| CN204362258U (en) | A kind of earphone active noise reducing device | |
| CN208258008U (en) | A kind of microphone telecommunication equipment of the meeting convenient for storage | |
| CN206472298U (en) | Adaptive hearing that can be separately adjustable controls output device | |
| CN204578731U (en) | A kind of comfort type high-fidelity tonequality earphone | |
| CN206212274U (en) | A kind of audiphone | |
| CN208509219U (en) | One kind being based on Radio Transmission Technology intelligence active noise reduction earphone | |
| CN206698431U (en) | A kind of receiver for hearing aid and system | |
| CN204697295U (en) | A kind of hearing aids protective sleeve | |
| CN208522933U (en) | A kind of earphone with miaow bar control mute function | |
| CN106878542A (en) | A kind of multi-mode plays the terminal of voice signal | |
| CN204836574U (en) | Anti -interference speaker | |
| CN201860296U (en) | HUB type audio frequency power amplifier with inbuilt USB (universal serial bus) sound card | |
| CN206472265U (en) | The In-Ear electric competing earphone that a kind of moving-coil is combined with dynamic iron | |
| CN205510406U (en) | Adjustable high efficiency is fallen hearing aid type of making an uproar and is hung wireless transaudient terminating set of neck formula | |
| CN204681575U (en) | The noise-reducing earphone that a kind of old man is special | |
| CN205249485U (en) | Hearing aid protective sleeve | |
| CN205179338U (en) | Headphone structure circuit of compatible multiple cell -phone system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 516000 Sixth Floor of Huicheng Industrial Building, No. 9 Huifeng East Second Road, Zhongkai High-tech Zone, Huizhou City, Guangdong Province Patentee after: Huizhou Jinhao medical Polytron Technologies Inc Address before: 516000 Sixth Floor of Huicheng Industrial Building, No. 9 Huifeng East Second Road, Zhongkai High-tech Zone, Huizhou City, Guangdong Province Patentee before: Jin Hao Electronics Co., Ltd. of Huizhou City |
|
| CP03 | Change of name, title or address |