CN218998281U - Hearing aid circuit and hearing aid - Google Patents
Hearing aid circuit and hearing aid Download PDFInfo
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- CN218998281U CN218998281U CN202223484815.0U CN202223484815U CN218998281U CN 218998281 U CN218998281 U CN 218998281U CN 202223484815 U CN202223484815 U CN 202223484815U CN 218998281 U CN218998281 U CN 218998281U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model relates to a hearing aid circuit and a hearing aid, wherein the hearing aid circuit comprises a control module, a Bluetooth module, a power supply module, a hearing aid module and a microphone, wherein the Bluetooth module is electrically connected with the control module and is configured to output a first radio frequency signal to an antenna through a 16 th pin under the control of the control module so as to input a second radio frequency signal to the antenna when receiving the second radio frequency signal fed back by external Bluetooth equipment, so that the Bluetooth module and the external Bluetooth equipment are paired; the power supply module is electrically connected with the control module; the hearing aid module is electrically connected with the control module and the power supply module respectively; the microphone is electrically connected with the control module and the power supply module respectively; the power supply module is configured to provide a target range voltage to the hearing aid module and the microphone under control of the control module. The Bluetooth module is arranged, so that the Bluetooth earphone functions are compatible, and the problem that a plurality of hearing loss users are difficult to use the mobile phone is solved.
Description
Technical Field
The utility model relates to the technical field of hearing aids, in particular to a hearing aid circuit and a hearing aid.
Background
The hearing aid is a small loudspeaker which amplifies the original inaudible sound and utilizes the residual hearing of the hearing impaired to send the sound to the brain auditory center to sense the sound. Bringing great convenience to the hearing impaired.
However, the traditional hearing aid is not beneficial to answering a call, and due to hearing impairment, the voice is habitually put out when answering the call, and the sound of the externally-put mobile phone is overlapped with the non-resonance of the loudspeaker of the hearing aid, so that the person with hearing impairment can feel more difficult to hear when answering the call.
Disclosure of Invention
The utility model aims to solve the technical problem that the person with hearing impairment can not hear the call easily in the prior art.
In order to solve the technical problems, the utility model discloses a hearing aid circuit and a hearing aid.
According to one aspect of the present application, a hearing aid circuit is disclosed, the hearing aid circuit comprising:
a control module;
the Bluetooth module is electrically connected with the control module and is configured to output a first radio frequency signal to an antenna through a 16 th pin under the control of the control module so as to input a second radio frequency signal fed back by external Bluetooth equipment to the antenna when receiving the second radio frequency signal, thereby realizing the pairing of the Bluetooth module and the external Bluetooth equipment;
the power supply module is electrically connected with the control module;
the hearing aid module is electrically connected with the control module and the power supply module respectively;
the microphone is electrically connected with the control module and the power supply module respectively;
the power supply module is configured to provide a target range voltage to the hearing aid module and the microphone under control of the control module.
Further, the 16 th pin of the Bluetooth module is matched with the antenna through a pi-shaped filter circuit.
Further, the hearing aid circuit further comprises a voltage stabilizer, the voltage stabilizer is electrically connected with the hearing aid module and the microphone respectively, and the voltage stabilizer is used for stabilizing the received output voltage of the power supply module so that the voltage output to the hearing aid module and the microphone is in a target range.
In one embodiment, the control module employs any one of the chips model BS300 or EZ7100 or EZ 5920.
Further, the power supply module is configured as a lithium battery.
In one implementation, the microphone is a silicone microphone.
Further, the hearing aid circuit further comprises a loudspeaker and a switching module, wherein the loudspeaker is electrically connected with the power supply module, the control module and the hearing aid module through the switching module; and after the 28 th pin and the 29 th pin of the control module differentially output audio signals to the 5 th pin and the 7 th pin of the switching module, the third pin and the 9 th pin of the switching module output audio signals to a loudspeaker to emit sound.
According to another aspect of the present application, a hearing aid is also disclosed, comprising a housing, a key assembly arranged on the housing, a key circuit for powering the key assembly, and a hearing aid circuit as described above, the hearing aid circuit being accommodated within the housing.
Further, one end of the key circuit is electrically connected with the key assembly, the other end of the key circuit is accommodated in the shell, and the other end of the key circuit is electrically connected with the power supply module.
Further, the key assembly comprises a switch key, a volume key and a pause key.
The hearing aid circuit comprises a control module, a Bluetooth module, a power supply module, a hearing aid module and a microphone, wherein the Bluetooth module is electrically connected with the control module and is configured to output a first radio frequency signal to an antenna through a 16 th pin under the control of the control module so as to input a second radio frequency signal to the antenna when receiving the second radio frequency signal fed back by external Bluetooth equipment, and the Bluetooth module is matched with the external Bluetooth equipment; the power supply module is electrically connected with the control module; the hearing aid module is electrically connected with the control module and the power supply module respectively; the microphone is electrically connected with the control module and the power supply module respectively; the power supply module is configured to provide a target range voltage to the hearing aid module and the microphone under control of the control module. The Bluetooth module is arranged, so that the Bluetooth earphone functions are compatible, and the problem that a plurality of hearing loss users are difficult to use the mobile phone is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a hearing aid circuit according to the present utility model;
in the figure, a 1-control module, a 2-Bluetooth module, a 3-power supply module, a 4-hearing aid module, a 5-microphone, a 6-voltage stabilizer, a 7-loudspeaker and an 8-switching module.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the utility model. In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Specifically, in order to solve the technical problems, the utility model discloses a hearing aid circuit and a hearing aid.
Specifically, as shown in fig. 1, the hearing aid circuit includes a control module 1, a bluetooth module 2, a power supply module 3, a hearing aid module 4 and a microphone 5, where the bluetooth module 2 is electrically connected with the control module 1, and the bluetooth module 2 is configured to output a first radio frequency signal to an antenna through a 16 th pin under the control of the control module 1, so as to input the second radio frequency signal to the antenna when receiving a second radio frequency signal fed back by an external bluetooth device, so as to realize pairing of the bluetooth module 2 and the external bluetooth device; the power supply module 3 is electrically connected with the control module 1; the hearing aid module 4 is electrically connected with the control module 1 and the power supply module 3 respectively; the microphone 5 is electrically connected with the control module 1 and the power supply module 3 respectively; the power supply module 3 is configured to supply a target range voltage to the hearing aid module 4 and the microphone 5 under the control of the control module 1.
Through setting up bluetooth module 2 for the audiphone can compatible bluetooth headset function, pairs with external bluetooth equipment, and the bluetooth that uses on our cell-phone is the same, thereby makes the bluetooth function of audiphone make the user can use cell-phone APP to debug the volume, the directionality of audiphone, switching program and custom scene etc. greatly increased user is to the control and the definition of audiphone parameter.
In addition, the hearing aid can be connected with the mobile phone in a wireless way, so that the interference of surrounding noise is reduced while the Bluetooth telephone is realized, and the conversation is clearer; after the mobile phone is connected with the mobile phone, the functions of observing the electric quantity of a battery, adjusting the volume of the hearing aid, switching the use environment of the hearing aid and the like can be performed on the hearing aid by using the APP on the mobile phone; furthermore, the audio can be directly transmitted into the hearing aid through Bluetooth by being connected with a computer and a television, so that the interference of the outside is reduced, and the video watching and processing work is easier.
In addition, the signals of the hearing aid, the mobile phone or the television are directly transmitted to the hearing aid through wireless Bluetooth, so that distortion can be greatly reduced in sound quality, and a user can hear better.
Preferably, the hearing aid realizes wireless communication with external supporting equipment in a short distance through the Bluetooth module 2, so that the problem that a plurality of hearing impaired users are difficult to use the mobile phone is solved.
In one implementation, the 16 th pin of the bluetooth module 2 is matched to the antenna by a pi-type filter circuit. The pi-shaped filter circuit can filter out unwanted harmonic waves and improve voltage stability.
Further, the hearing aid circuit further includes a voltage stabilizer 6, the voltage stabilizer 6 is electrically connected to the hearing aid module 4 and the microphone 5 of the power supply module 3, and the voltage stabilizer 6 is configured to perform voltage stabilizing processing on the received output voltage of the power supply module 3, so that the voltages output to the hearing aid module 4 and the microphone 5 are within a target range.
The voltage regulator 6 may be a low dropout linear voltage regulator 6 (low dropout regulator, LDO). The target range may be between 1.6V and 2V, i.e. the voltage regulator 6 may perform a voltage stabilizing process on the received output voltage of the power supply module 3, so that the voltage output to the hearing aid module 4 and the microphone 5 is between 1.6V and 2V. Preferably, in this embodiment, it may be 1.8V.
In one embodiment, the control module 1 employs any one of the chips, which may be of the BS300 or EZ7100 or EZ5920 type.
Further, the power supply module 3 is configured as a lithium battery.
In one embodiment, the microphone 5 is a silicone microphone. By selecting the silicon microphone as the microphone 5, the voice definition and the voice recognition degree can be improved, and the noise reduction effect is good.
Further, the hearing aid circuit further comprises a speaker 7 and a switching module 8, wherein the speaker 7 is electrically connected with the power supply module 3, the control module 1 and the hearing aid module 4 through the switching module 8; after the audio signals are differentially output to the 5 th and 7 th pins of the switching module 8 by the 28 th and 29 th pins of the control module 1, the audio signals are output to the loudspeaker 7 by the third and 9 th pins of the switching module 8. Preferably, switching module 8 is configured as an RS2118 switch. The RS2118 switch is a two-channel single pole double throw analog switch. Designed to operate between 2.5V and 5.5V. The apparatus has negative signal capability allowing subsurface signals to pass through the switch without distortion. Having a break-before-make function prevents signal distortion during signal transmission from one path to another.
Further, the following describes the hearing aid circuit principle of the present application in detail:
firstly, it should be noted that the control module 1 has a chip structure, and a plurality of pins are disposed on the chip, and the pins are not described one by one, and only when in use, the pins are directly referred to.
Specifically, the external power is input from the 10 th pin of the control module 1 to charge the power supply module 3, and the power supply module 3 supplies power to the RS2118 switcher.
The power supply module 3 outputs 1.8V voltage to the voltage stabilizer 6 through the 4 th pin of the control module 1, and supplies power to the hearing aid module 4 and the microphone 5.
The control module 1 outputs audio signals from the 28 th and 29 th pins to the 5 th and 7 th pins of the switching module 8 in a differential mode, and outputs the audio signals from the 3 rd and 9 th pins to the loudspeaker 7 to make sounds. The hearing aid module 4 outputs audio signals from the rcvr+, RCVR-pins to pins 2, 10 of the switching module 8 and from pins 3, 9 to the speaker 7 to emit sound.
The 20 th foot of the control module 1 controls the voltage stabilizer 6 to be turned on or turned off, the 23 rd foot controls the switching module 8 to switch lines, and the 13 th foot and the 12 th foot control the volume of the hearing aid module 4.
The silicon microphone outputs two paths of audio signals to the hearing aid module 4 and the control module 1 respectively.
According to another aspect of the present application, a hearing aid is also disclosed, comprising a housing, a key assembly arranged on the housing, a key circuit for powering the key assembly, and a hearing aid circuit as described above, the hearing aid circuit being accommodated within the housing.
Further, one end of the key circuit is electrically connected with the key assembly, the other end of the key circuit is accommodated in the shell, and the other end of the key circuit is electrically connected with the power supply module.
Further, the key assembly comprises a switch key, a volume key and a pause key. The volume keys comprise volume + keys and volume-keys.
In particular, when the hearing aid is in use, the hearing aid can be turned on or off by directly pressing a switch button. In a specific use process, if the current state is a starting state, the hearing aid is turned off after the switch key is pressed, and if the current state is a turning-off state, the hearing aid is turned on after the switch key is pressed.
Further, a prompting lamp is further arranged on the shell, and in an implementation scheme, the device can be started or shut down after being pressed for 3 seconds by a long time by pressing a volume + key. And gives a specific prompt based on the prompt lamp. For example, flashing a green light turns on with a (power on) voice prompt; the flashing blue light turns off with a (power off) voice prompt.
Further, when bluetooth pairing is needed, in the initial pairing, in the shutdown state, long-pressing the volume + key for 6 seconds to enter a bluetooth pairing mode with a mobile phone (with prompting tones of power on and pairing in sequence), at this time, the blue-green lamp alternately blinks, the bluetooth function of the mobile phone is turned on, the pairing is selected to carry out bluetooth search name, a password is not needed to be input, the pairing connection is clicked, and after the lamp is turned off, the pairing is successful and the prompting tone is accompanied; if the pairing is not successful, the Bluetooth pairing mode is automatically turned off after 30 seconds. Further, the pairing will be automatically realized after the bluetooth mode on the mobile phone is turned on next time.
When the user presses the volume key, the Bluetooth audio playing mode is automatically switched to the hearing aid mode, when the Bluetooth audio playing mode presses the volume + key, the volume is increased and accompanied by a beep, when the Bluetooth audio playing mode presses the volume-key, the sound is reduced and accompanied by a beep, and when the beeps are different, the volume is maximized or minimized.
Further, when the network call is required, the user connects the hearing aid to the mobile phone of the user through the Bluetooth technology when using the hearing aid, and dials the network to the other party hearing aid and the mobile phone on the mobile phone WeChat App, and the other party can answer the network call through the hearing aid key or the mobile phone. The network communication technology that the hearing aid adopts Bluetooth to connect the mobile phone to the network and then to the other hearing aid is solved.
Further, in the above-mentioned use process, if the user does not want to receive the external sound any more, the pause key may be pressed, and at this time, the transmission of the external sound will be cut off.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (10)
1. A hearing aid circuit, the hearing aid circuit comprising:
a control module;
the Bluetooth module is electrically connected with the control module and is configured to output a first radio frequency signal to an antenna through a 16 th pin under the control of the control module so as to input a second radio frequency signal fed back by external Bluetooth equipment to the antenna when receiving the second radio frequency signal, thereby realizing the pairing of the Bluetooth module and the external Bluetooth equipment;
the power supply module is electrically connected with the control module;
the hearing aid module is electrically connected with the control module and the power supply module respectively;
the microphone is electrically connected with the control module and the power supply module respectively;
the power supply module is configured to provide a target range voltage to the hearing aid module and the microphone under control of the control module.
2. The hearing aid circuit of claim 1, wherein pin 16 of the bluetooth module is matched to the antenna by a pi filter circuit.
3. The hearing aid circuit according to claim 1, further comprising a voltage regulator electrically connected to the hearing aid module and the microphone of the power supply module, respectively, the voltage regulator being configured to regulate the received output voltage of the power supply module such that the voltage output to the hearing aid module and the microphone is within a target range.
4. The hearing aid circuit according to claim 1, wherein the control module employs a chip of any one of model BS300 or EZ7100 or EZ 5920.
5. A hearing aid circuit according to claim 3, characterized in that the power supply module is configured as a lithium battery.
6. A hearing aid circuit as claimed in claim 3, characterized in that the microphone is a silicone microphone.
7. The hearing aid circuit according to claim 1, further comprising a speaker and a switching module, the speaker being electrically connected to the power supply module, the control module and the hearing aid module, respectively, by the switching module; and after the 28 th pin and the 29 th pin of the control module differentially output audio signals to the 5 th pin and the 7 th pin of the switching module, the third pin and the 9 th pin of the switching module output audio signals to a loudspeaker to emit sound.
8. A hearing aid comprising a housing, a key assembly provided on the housing, a key circuit for powering the key assembly, and the hearing aid circuit of any one of claims 1 to 7, the hearing aid circuit being housed within the housing.
9. The hearing aid according to claim 8, wherein one end of the key circuit is electrically connected to the key assembly, the other end of the key circuit is housed in the housing, and the other end of the key circuit is electrically connected to the power supply module.
10. The hearing aid according to claim 8 or 9, wherein the key assembly comprises a switch key, a volume key and a pause key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484815.0U CN218998281U (en) | 2022-12-26 | 2022-12-26 | Hearing aid circuit and hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484815.0U CN218998281U (en) | 2022-12-26 | 2022-12-26 | Hearing aid circuit and hearing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218998281U true CN218998281U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223484815.0U Active CN218998281U (en) | 2022-12-26 | 2022-12-26 | Hearing aid circuit and hearing aid |
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| Country | Link |
|---|---|
| CN (1) | CN218998281U (en) |
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- 2022-12-26 CN CN202223484815.0U patent/CN218998281U/en active Active
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