CN210579228U - Hearing aid with frequency conversion function - Google Patents
Hearing aid with frequency conversion function Download PDFInfo
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- CN210579228U CN210579228U CN201921334395.3U CN201921334395U CN210579228U CN 210579228 U CN210579228 U CN 210579228U CN 201921334395 U CN201921334395 U CN 201921334395U CN 210579228 U CN210579228 U CN 210579228U
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- frequency conversion
- hearing aid
- cavity
- frequency
- earphone
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Abstract
The utility model discloses a hearing aid with frequency conversion function, which comprises a hearing aid host; a PCB circuit board disposed in the hearing aid host; the MCU chip is arranged on the PCB; the voice processing chip is arranged on the PCB and connected with the MCU chip; the earphone connector is arranged on the PCB and is opposite to the connecting hole on the hearing aid host machine, and the earphone connector is connected with the voice processing chip; the frequency conversion earphone component is connected with the earphone connector through a connecting wire; the frequency conversion earphone assembly comprises a frequency conversion earphone cavity, a bone conduction module and an air conduction module, wherein the bone conduction module and the air conduction module are arranged in the frequency conversion earphone cavity; the frequency conversion earphone cavity is sleeved with a frequency conversion structure used for changing the air pressure in the cavity. The utility model discloses a sealed or half close cavity structures realizes frequency conversion technology, can change the inside atmospheric pressure of audiphone cavity structures, combines bone, air conduction module effectively to change tone quality and finally exports the sound frequency of ideal.
Description
Technical Field
The utility model relates to a audiphone technical field especially relates to a audiphone with frequency conversion function.
Background
At present, the traditional hearing aid only has the function of adjusting the volume, does not have the frequency modulation function on the machine body, has and only adjusts through software, but correspondingly can lose the definition and the reduction degree of sound, increases the background noise, and the hearing aid effect is not ideal enough.
The prior art therefore remains to be improved.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a audiphone with frequency conversion function aims at solving current audiphone and only adjusts the function of volume size, has and only through software frequency modulation, leads to corresponding definition and the reduction degree that can lose sound, and increases the problem of end noise.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hearing aid with frequency conversion, comprising:
a hearing aid host;
a PCB circuit board disposed within the hearing aid host;
the MCU chip is arranged on the PCB circuit board;
the voice processing chip is arranged on the PCB and connected with the MCU chip;
the battery is arranged in the hearing aid host computer and is connected with the MCU chip;
the USB interface is arranged on the PCB and is opposite to the USB interface hole on the hearing aid host computer, and the USB interface is connected with the MCU chip;
the microphone head is arranged on the PCB and is opposite to the microphone hole on the hearing aid host machine, and the microphone head is connected with the voice processing chip;
the knob switch is arranged on the hearing aid host and is connected with the MCU chip;
the earphone connector is arranged on the PCB and opposite to the connecting hole on the hearing aid host machine, and is connected with the voice processing chip;
the frequency conversion earphone assembly is connected with the earphone connector through a connecting wire; the frequency conversion earphone assembly comprises a frequency conversion earphone cavity, a bone conduction module and an air conduction module, wherein the bone conduction module and the air conduction module are arranged in the frequency conversion earphone cavity; the frequency conversion earphone cavity is sleeved with a frequency conversion structure used for changing the air pressure in the cavity.
The hearing aid with frequency conversion function, wherein, the frequency conversion earphone cavity includes:
a front cavity; a strip-shaped gap is formed in the front cavity;
the rear cavity is sleeved at one end of the front cavity;
the frequency conversion structure comprises:
the rotary frequency ring is sleeved on the front cavity;
the plurality of frequency conversion holes are arranged on the rotary frequency ring and are opposite to the strip-shaped gaps;
the flexible glue sealing rings are sleeved on the plurality of frequency conversion holes;
the annular rotating frequency track is arranged on the rotating frequency ring and is positioned on one side of the plurality of frequency conversion holes;
the frequency conversion ring is sleeved on the rotary frequency ring and can slide along the annular rotary frequency track; wherein, be provided with a plurality of frequency conversion ring breach on the frequency conversion ring.
The hearing aid with the frequency conversion function is characterized in that a first internal spline matched with the strip-shaped notch is arranged on the inner wall of the rotary frequency ring, and a second internal spline matched with the strip-shaped notch is arranged on the inner wall of the rear cavity.
The hearing aid with the frequency conversion function is characterized in that the air conduction module is arranged in the cavity of the rear cavity, and the bone conduction module is arranged in the cavity of the front cavity.
The hearing aid with the frequency conversion function is characterized in that tuning cotton is further arranged in the cavity of the front cavity and is located between the air conduction module and the bone conduction module.
The hearing aid with the frequency conversion function comprises a Bluetooth microphone and a Bluetooth switch key, wherein the Bluetooth microphone and the Bluetooth switch key are arranged on a PCB, and the Bluetooth microphone and the Bluetooth switch key are connected with an MCU chip.
The hearing aid with the frequency conversion function is characterized in that the battery is electrically connected with the voice processing chip through a 1.3V voltage stabilizing diode.
The hearing aid with the frequency conversion function further comprises a memory card arranged on the PCB, and the memory card is connected with the MCU chip.
The hearing aid with the frequency conversion function is characterized in that the air conduction module is a moving-iron horn.
The hearing aid with the frequency conversion function is characterized in that the model of the voice processing chip is R3910.
Compared with the prior art, the beneficial effects of the utility model are that: the frequency conversion technology is realized through a novel sealed or semi-sealed cavity structure, the internal air pressure of the cavity structure of the hearing aid can be changed, the tone quality is effectively changed by combining the bone and the air conduction module, and the ideal sound frequency is finally output.
Drawings
Fig. 1 is a schematic structural diagram of a hearing aid with a frequency conversion function according to the present invention;
fig. 2 is an exploded view of a frequency conversion earphone module in the hearing aid with frequency conversion function of the present invention;
fig. 3 is a block diagram of a hearing aid with frequency conversion function according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, wherein fig. 1 is a schematic structural diagram of a hearing aid with frequency conversion function according to the present invention; fig. 2 is an exploded view of a frequency conversion earphone module in the hearing aid with frequency conversion function of the present invention; fig. 3 is a block diagram of a hearing aid with frequency conversion function according to the present invention. As shown in fig. 1 to 3, the hearing aid with frequency conversion function includes:
a hearing aid host computer 100;
a PCB 110 disposed within the hearing aid host 100;
an MCU chip 120 disposed on the PCB circuit board 110;
the voice processing chip 130 is arranged on the PCB 110, and the voice processing chip 130 is connected with the MCU chip 120;
a battery 140 disposed in the hearing aid host 100, wherein the battery 140 is connected to the MCU chip 120;
a USB socket 150 disposed on the PCB 110 and opposite to the USB socket hole of the hearing aid host 100, wherein the USB socket 150 is connected to the MCU chip 120;
a microphone head 160 disposed on the PCB 110 and opposite to the microphone hole of the hearing aid main unit 100, wherein the microphone head 160 is connected to the voice processing chip 130;
a knob switch 170 disposed on the hearing aid host 100, wherein the knob switch 170 is connected to the MCU chip 120;
the earphone connector 180 is arranged on the PCB 110 and opposite to the connecting hole on the hearing aid main unit 100, and the earphone connector 180 is connected with the voice processing chip 130;
the frequency conversion earphone component 300 is connected with the earphone connector 180 through a connecting wire 200; the frequency conversion earphone assembly 300 comprises a frequency conversion earphone cavity 310, a bone conduction module 320 and an air conduction module 330, wherein the bone conduction module 320 and the air conduction module 330 are arranged in the frequency conversion earphone cavity 310; the frequency conversion earphone cavity 310 is sleeved with a frequency conversion structure 340 for changing the air pressure in the cavity.
The embodiment of the present invention provides a frequency conversion earphone module 300 and the hearing aid main unit 100 adopts a separate structure design, and when the hearing-impaired user needs to use the hearing aid with frequency conversion function, the frequency conversion earphone module is connected to the earphone connector 180 on the hearing aid main unit 100 through the connecting wire 200. When the initial state is the off state, the whole hearing aid with the frequency conversion function is controlled to be turned on through the knob switch 170, and the volume is adjusted, then the working process is as follows:
1) the microphone 160 collects the voice signals of other users communicating with the hearing loss user;
2) converting the sound signal into a digital signal by the voice processing chip 130;
3) the bone conduction module 320 converts the digital signal into a vibration signal of the bone conduction vibrator so as to assist hearing through bone conduction;
4) the digital signal is converted into an air vibration signal by the air conduction module 330, so that the hearing aid is facilitated by means of air conduction.
When rotatory during frequency conversion structure 340, can realize increasing the effect of pressure in the frequency conversion earphone cavity 310 or reducing pressure in the frequency conversion earphone cavity 310, utilize frequency conversion structure 340 to change frequency conversion earphone cavity 310 internal gas pressure to change sound output frequency, increase and listen to the effect that decreases the user and resume hearing, and experience sound definition.
Further, as shown in fig. 1 and 2, in the hearing aid with frequency conversion function, the frequency conversion earphone cavity 310 includes:
a front cavity 311; a strip-shaped gap 311a is arranged on the front cavity 311;
a rear cavity 312 sleeved at one end of the front cavity 311;
the frequency conversion structure 340 includes:
a rotating frequency ring 341 sleeved on the front cavity 311;
the plurality of frequency conversion holes 342 are arranged on the rotary frequency ring 341 and are opposite to the strip-shaped gap 311 a;
a soft rubber sealing ring 342a sleeved on the plurality of frequency conversion holes 342;
the annular rotating frequency track 343 is arranged on the rotating frequency ring 341 and is positioned at one side of the plurality of frequency conversion holes 342;
the frequency conversion ring 344 is sleeved on the frequency rotation ring 341 and can slide along the annular frequency rotation track 343; wherein, a plurality of frequency conversion ring gaps 344a are arranged on the frequency conversion ring 344.
Wherein, when the hearing loss user needs to change the frequency of the sound, the ring 344 can be rotated. In the initial state, the inverter ring notches 344a of the inverter ring 344 (the number of the inverter ring notches 344a is the same as that of the inverter holes 342, and each inverter ring notch 344a faces one inverter hole 342) are opposite to the inverter hole 342. When the frequency conversion ring 344 is rotated, so that the gap 344a of the frequency conversion ring is no longer opposite to the frequency conversion hole 342, the air pressure in the cavity 310 of the frequency conversion earphone changes (similar to the process of blocking the flute hole with a finger), so that the frequency of the sound transmitted in the cavity 310 of the frequency conversion earphone also changes correspondingly, and the frequency modulation through a physical structure is realized. Come the definition and the reduction degree that the frequency modulation can not lose sound through the physical structure, can not increase the bottom noise yet, the hearing aid effect preferred.
In addition, a soft rubber sealing ring 342a is sleeved on the frequency conversion hole 342 to prevent sound leakage, increase the stability of the assembly structure, and reduce the resonance between the frequency rotation ring 341 and the front cavity 311.
In specific implementation, the front cavity 311 is made of metal, and the metal cavity can reduce acoustic resonance and resonance. As shown in fig. 2, a soft rubber sleeve 350 may be further sleeved on the front cavity 311, so that the user can conveniently clamp the hearing aid with the frequency conversion function on the ear when wearing the hearing aid, and the anti-slip and shock-absorbing functions can be achieved.
Further, as shown in fig. 1 and fig. 2, in the hearing aid with frequency conversion function, a first internal spline 341a adapted to the strip-shaped notch 311a is disposed on an inner wall of the frequency rotation ring 341, and a second internal spline (not shown due to a view angle problem) adapted to the strip-shaped notch is disposed on an inner wall of the rear cavity 312.
The first internal spline 341a is provided to prevent the rotation of the rotating frequency ring 341 on the front cavity 311. Similarly, a second internal spline adapted to the strip-shaped notch is disposed on the inner wall of the rear cavity 312, so as to prevent the rear cavity 312 from rotating on the front cavity 311 when the rear cavity 312 is connected to the front cavity 311.
Further, as shown in fig. 2, in the hearing aid with frequency conversion function, the air conduction module 330 is disposed in the cavity of the rear cavity 312, and the bone conduction module 320 is disposed in the cavity of the front cavity 311.
The arrangement of the air conduction module 330 and the bone conduction module 320 realizes effective change of tone quality by combining the bone and the air conduction module, and finally outputs ideal sound frequency.
Further, as shown in fig. 2, in the hearing aid with the frequency conversion function, a tuning cotton 360 is further disposed in the cavity of the front cavity 311, and the tuning cotton 360 is located between the air conduction module 330 and the bone conduction module 320.
And the cavity of the front cavity 311 is also provided with tuning cotton 360, so that bass or treble can be adjusted.
Further, as shown in fig. 3, the hearing aid with frequency conversion function further includes a bluetooth microphone 410 and a bluetooth switch button 420 disposed on the PCB 110, and both the bluetooth microphone 410 and the bluetooth switch button 420 are connected to the MCU chip.
The bluetooth headset 410 may be a combination of a bluetooth low energy module and a standby headset (which is a standby headset with the headset 160 and one of the bluetooth headset and the standby headset is not damaged when one of the bluetooth headset and the standby headset is damaged), and when the bluetooth headset 410 is turned on through the bluetooth switch button 420, the bluetooth headset may be connected to another terminal (e.g., a smart phone) in a bluetooth manner. Audio data (the audio data are digital signals) generated by other terminals in the processes of listening to songs or talking and the like are sent to the Bluetooth microphone 410 through Bluetooth, then the Bluetooth microphone 410 transmits the audio data to the voice processing chip 130, and then the bone conduction module 320 converts the audio data into vibration signals of the bone conduction vibrator so as to assist hearing through a bone conduction mode; and the air conduction module 330 converts the audio data into an air vibration signal, so that the hearing aid is facilitated in an air conduction mode. Therefore, the Bluetooth mode and the hearing aid mode can be freely switched (the Bluetooth mode of the hearing aid with the frequency conversion function is that the hearing aid with the frequency conversion function is connected with other terminals through Bluetooth to receive audio data so as to realize hearing aid, and the hearing aid mode of the hearing aid with the frequency conversion function is that sound within a certain distance, such as 0-5 meters, around a hearing loss user is directly collected through the microphone 150 so as to obtain sound signals so as to realize hearing aid).
Further, as shown in fig. 3, in the hearing aid with frequency conversion function, the battery 140 is also electrically connected to the voice processing chip 130 through a 1.3V zener diode 141. The battery 140 is electrically connected to the voice processing chip 130 through a 1.3V zener diode 141 to ensure stable power supply to the voice processing chip 130 to ensure its normal operation.
Further, as shown in fig. 1 and fig. 3, the hearing aid with frequency conversion function further includes a memory card 190 disposed on the PCB 110, and the memory card 190 is connected to the MCU chip 120. The memory card 190 may store audio data such as music, and the audio data is analyzed and converted into an air conduction vibration signal and a bone conduction vibration signal by the MCU chip 120 and the voice processing chip 130, and then listened to by a hearing-impaired user.
Further, in the hearing aid with the frequency conversion function, the air conduction module is a moving-iron horn. The model of the voice processing chip 130 is R3910. The movable iron horn is conducted to the central point of a miniature vibrating diaphragm through a connecting rod with a precise structure, so that the horn generates vibration and sounds, is small in size, can be easily placed into an ear canal, and effectively reduces the area of an ear-entering part so as to be placed into a deeper ear canal part. The voice processing chip of the R3910 model has the following functions: 1. audio processing; 2. volume adjustment + switch control techniques; 3. identifying an environment; 4. an automatically adaptive directional microphone; 5. an acoustic alert tone; 6. adaptive noise reduction techniques; 7. and (4) programming.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A hearing aid with frequency conversion, comprising:
a hearing aid host;
a PCB circuit board disposed within the hearing aid host;
the MCU chip is arranged on the PCB circuit board;
the voice processing chip is arranged on the PCB and connected with the MCU chip;
the battery is arranged in the hearing aid host computer and is connected with the MCU chip;
the USB interface is arranged on the PCB and is opposite to the USB interface hole on the hearing aid host computer, and the USB interface is connected with the MCU chip;
the microphone head is arranged on the PCB and is opposite to the microphone hole on the hearing aid host machine, and the microphone head is connected with the voice processing chip;
the knob switch is arranged on the hearing aid host and is connected with the MCU chip;
the earphone connector is arranged on the PCB and opposite to the connecting hole on the hearing aid host machine, and is connected with the voice processing chip;
the frequency conversion earphone assembly is connected with the earphone connector through a connecting wire; the frequency conversion earphone assembly comprises a frequency conversion earphone cavity, a bone conduction module and an air conduction module, wherein the bone conduction module and the air conduction module are arranged in the frequency conversion earphone cavity; the frequency conversion earphone cavity is sleeved with a frequency conversion structure used for changing the air pressure in the cavity.
2. The hearing aid with variable frequency functionality according to claim 1, wherein the variable frequency earpiece cavity comprises:
a front cavity; a strip-shaped gap is formed in the front cavity;
the rear cavity is sleeved at one end of the front cavity;
the frequency conversion structure comprises:
the rotary frequency ring is sleeved on the front cavity;
the plurality of frequency conversion holes are arranged on the rotary frequency ring and are opposite to the strip-shaped gaps;
the flexible glue sealing rings are sleeved on the plurality of frequency conversion holes;
the annular rotating frequency track is arranged on the rotating frequency ring and is positioned on one side of the plurality of frequency conversion holes;
the frequency conversion ring is sleeved on the rotary frequency ring and can slide along the annular rotary frequency track; wherein, be provided with a plurality of frequency conversion ring breach on the frequency conversion ring.
3. The hearing aid with the frequency conversion function according to claim 2, wherein the inner wall of the frequency rotation ring is provided with a first internal spline adapted to the strip-shaped notch, and the inner wall of the rear cavity is provided with a second internal spline adapted to the strip-shaped notch.
4. The hearing aid with frequency conversion capability of claim 2, wherein the air conduction module is disposed within the cavity of the rear cavity and the bone conduction module is disposed within the cavity of the front cavity.
5. The hearing aid with the frequency conversion function according to claim 4, wherein a tuning cotton is further arranged in the cavity of the front cavity, and the tuning cotton is located between the air conduction module and the bone conduction module.
6. The hearing aid with the frequency conversion function according to claim 1, further comprising a bluetooth microphone and a bluetooth switch button disposed on the PCB, wherein the bluetooth microphone and the bluetooth switch button are both connected to the MCU chip.
7. The hearing aid with frequency conversion function according to claim 1, wherein the battery is further electrically connected with the voice processing chip through a 1.3V voltage regulator diode.
8. The hearing aid with the frequency conversion function according to claim 1, further comprising a memory card disposed on the PCB circuit board, wherein the memory card is connected to the MCU chip.
9. The hearing aid with frequency conversion function according to any one of claims 1 to 8, wherein the air conduction module is a moving iron horn.
10. The hearing aid with frequency conversion function according to any one of claims 1 to 8, wherein the model of the voice processing chip is R3910.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921334395.3U CN210579228U (en) | 2019-08-16 | 2019-08-16 | Hearing aid with frequency conversion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921334395.3U CN210579228U (en) | 2019-08-16 | 2019-08-16 | Hearing aid with frequency conversion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210579228U true CN210579228U (en) | 2020-05-19 |
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ID=70659829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921334395.3U Expired - Fee Related CN210579228U (en) | 2019-08-16 | 2019-08-16 | Hearing aid with frequency conversion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210579228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418267A (en) * | 2019-08-16 | 2019-11-05 | 福建太尔集团股份有限公司 | Hearing aids with bone conduction and air conduction |
-
2019
- 2019-08-16 CN CN201921334395.3U patent/CN210579228U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418267A (en) * | 2019-08-16 | 2019-11-05 | 福建太尔集团股份有限公司 | Hearing aids with bone conduction and air conduction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |