CN213938323U - Small and exquisite chargeable ear-carried hearing aid - Google Patents
Small and exquisite chargeable ear-carried hearing aid Download PDFInfo
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- CN213938323U CN213938323U CN202023235070.5U CN202023235070U CN213938323U CN 213938323 U CN213938323 U CN 213938323U CN 202023235070 U CN202023235070 U CN 202023235070U CN 213938323 U CN213938323 U CN 213938323U
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- hearing aid
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Abstract
The utility model discloses a small and exquisite chargeable ear back of body formula audiphone, including the left shell of audiphone, the right shell of audiphone, button, go up circuit board, lower circuit board, RIC talker, lithium ion rechargeable battery, audiphone contact board that charges. The hearing aid comprises an upper circuit board, a lower circuit board, an RIC (radio over coax) transmitter, a lithium ion rechargeable battery and a hearing aid charging contact board, wherein the upper circuit board, the lower circuit board, the RIC transmitter, the lithium ion rechargeable battery and the hearing aid charging contact board are contained by a left hearing aid shell and a right hearing aid shell, clamping grooves are formed in the left hearing aid shell and the right hearing aid shell, the upper circuit board comprises a chip special for the hearing aid, a key and a microphone, the power circuit is concentrated on the lower circuit board and comprises a lithium ion rechargeable battery protection circuit, a level conversion circuit and a lithium battery DC/DC voltage reduction circuit. The utility model discloses a space make full use of in the audiphone shell, it is chargeable to make audiphone small in size, removes the trouble of often changing the battery from.
Description
Technical Field
The utility model relates to a audiphone field, concretely relates to small and exquisite chargeable ear-carried type audiphone.
Background
Wearing hearing aids is one of the main interventions to cope with hearing impairment. The utility model belongs to small and exquisite chargeable ear back of body formula audiphone, small in size, it is effectual to pass the sound, is suitable for extensively, wears the more convenient concealment to can repeat the inconvenience of charging reduction change battery, especially to the old person.
With the improvement of economic living standard and the improvement of living quality requirement of people, people look more heavily on the beauty of the appearance, and the hearing aid which is small, exquisite, hidden and can be charged repeatedly is more popular.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the utility model provides a small and exquisite chargeable ear-carried hearing aid has small and exquisite, conceals and rechargeable advantage.
A small and exquisite chargeable ear-carried hearing aid comprises a left shell of the hearing aid, a right shell of the hearing aid, a button, an upper circuit board, a lower circuit board, an RIC (radio identity module) microphone, a lithium ion rechargeable battery and a charging contact board of the hearing aid; the hearing aid comprises an upper circuit board, a lower circuit board, an RIC (radio over coax) transmitter, a lithium ion rechargeable battery and a hearing aid charging contact board, wherein the upper circuit board, the lower circuit board, the RIC transmitter, the lithium ion rechargeable battery and the hearing aid charging contact board are contained by a left hearing aid shell and a right hearing aid shell, clamping grooves are formed in the left hearing aid shell and the right hearing aid shell, the upper circuit board comprises a chip special for the hearing aid, a key and a microphone, a power circuit is integrated on the lower circuit board and comprises a lithium ion rechargeable battery protection circuit, a level conversion circuit and a lithium battery DC/DC voltage reduction circuit.
The clamping groove clamps the upper circuit board and the lower circuit board in the middle for fixing and supporting.
The hearing aid charging contact plate is electrically connected to the lower circuit board and extends to the outer surface of the hearing aid housing.
The hearing aid charging contact board comprises two charging contacts, a control signal input contact and a program downloading contact; the charging contact and a control signal input contact are respectively and electrically connected with the lower circuit board, and the program downloading contact is electrically connected with the upper circuit board.
The button is in a seesaw shape, the two ends of the button are provided with salient points, the salient points at the two ends are respectively aligned with the positions of the keys on the upper circuit board, and one end of the button can be pressed on the keys on the upper circuit board when being pressed down.
One end of the level switching circuit is electrically connected with a control signal input contact in the hearing aid charging contact plate, and the other end of the level switching circuit is electrically connected with the lithium battery DC/DC voltage reduction circuit.
The charging electric shock, the program downloading contact and the lithium ion rechargeable battery form a program downloading interface together.
The invention has the beneficial effects that:
the utility model relates to a small and exquisite chargeable ear-carried type audiphone has small and exquisite, conceals and can repeat the advantage of charging, can satisfy people to the audiphone small and exquisite, conceal, convenient to use's demand.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a circuit block diagram of the lower circuit board.
In the drawings the figures are represented as: the hearing-aid comprises a left hearing-aid shell 1, a right hearing-aid shell 2, a button 3, an upper circuit board 4, a lower circuit board 5, an RIC (radio over coax) receiver 6, a lithium ion rechargeable battery 7, a hearing-aid charging contact board 8, a card slot 9, a hearing-aid special chip 10, a key 11, a microphone 12, a power circuit 13, a lithium ion rechargeable battery protection circuit 14, a level conversion circuit 15, a lithium battery DC/DC voltage reduction circuit 16, a charging contact 17, a control signal input contact 18, a program downloading contact 19 and bumps 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-2, a small and small chargeable behind-the-ear hearing aid comprises a left hearing aid shell 1, a right hearing aid shell 2, a button 3, an upper circuit board 4, a lower circuit board 5, an RIC transmitter 6, a lithium ion rechargeable battery 7 and a hearing aid charging contact board 8. The hearing aid comprises an upper circuit board 4, a lower circuit board 5, an RIC (radio over coax) transmitter 6, a lithium ion rechargeable battery 7 and a hearing aid charging contact plate 8, wherein the upper circuit board 4, the lower circuit board 5, the RIC transmitter 6, the lithium ion rechargeable battery 7 and the hearing aid charging contact plate 8 are contained by a left hearing aid shell 1 and a right hearing aid shell 2, a clamping groove 9 is formed in the left hearing aid shell 1 and the right hearing aid shell 2, the upper circuit board 4 comprises a hearing aid special chip 10, a key 11 and a microphone 12, a power circuit 13 is integrated on the lower circuit board 5, and the power circuit 13 comprises a lithium ion rechargeable battery protection circuit 14, a level conversion circuit 15 and a lithium battery DC/DC voltage reduction circuit 16. The utility model discloses a audiphone shell inner space make full use of adopts chargeable lithium ion to charge, makes audiphone small in size chargeable, removes the trouble of often changing the battery from.
The card slot 9 is used for clamping the upper circuit board 4 and the lower circuit board 5 in the middle for fixing and supporting. The upper circuit board 4 is mounted on the lower circuit board 5 when the hearing aid housing is assembled and is retained by the card slot 9.
The hearing aid charging contact plate 8 is electrically connected to the lower circuit board 5 and extends to the outer surface of the hearing aid housing. Charging by hearing aid
The contact plate 8 charges the lithium-ion rechargeable battery 7.
The hearing aid charging contact board 8 comprises two charging contacts 17, a control signal input contact 18 and a program download contact 19. The charging contact 17 and a control signal input contact 18 are electrically connected to the lower circuit board 5, and the program download contact 19 is electrically connected to the upper circuit board 4, respectively.
The button 3 is shaped like a seesaw, and has protrusions 20 at both ends thereof. The bumps 20 at the two ends are respectively aligned with the keys 11 on the upper circuit board 4, and one end of the button 3 is pressed down to press the keys 11 on the upper circuit board 4. The upper key 11 of the upper circuit board 4 is two patch metal keys, has simple structure and convenient use, and can also be reused by programs.
One end of the level conversion circuit 15 is electrically connected with a control signal input contact 18 in the hearing aid charging contact board 8, and the other end is electrically connected with a lithium battery DC/DC voltage reduction circuit 17. The level switching circuit 15 detects the level of the control signal input contact 18 in the hearing aid charging contact board 8, and controls the lithium battery DC/DC voltage reduction circuit 16 to operate or inhibit the operation.
The charging contacts 17 together with the program download contacts 19 and the lithium ion rechargeable battery 7 form a program download interface.
The present invention has been described above, but the present invention is not limited to the disclosed embodiments, and the technical solutions between the embodiments of the present invention may be combined with each other. Any simple modification, variation and improvement of the above embodiments according to the present invention are still within the scope of the present invention.
Claims (7)
1. A small and exquisite chargeable behind-the-ear hearing aid is characterized by comprising a left hearing aid shell (1), a right hearing aid shell (2), a button (3), an upper circuit board (4), a lower circuit board (5), an RIC (radio over coax) transmitter (6), a lithium ion rechargeable battery (7) and a charging contact plate (8) of the hearing aid; the hearing aid charging contact board comprises an upper circuit board (4), a lower circuit board (5), an RIC (radio over coax) transmitter (6), a lithium ion rechargeable battery (7) and a hearing aid charging contact board (8), wherein the hearing aid charging contact board is contained by a left hearing aid shell (1) and a right hearing aid shell (2), a clamping groove (9) is formed in the left hearing aid shell (1) and the right hearing aid shell (2), the upper circuit board (4) comprises a special hearing aid chip (10), a key (11) and a microphone (12), a power circuit (13) is integrated on the lower circuit board (5), and the power circuit (13) comprises a lithium ion rechargeable battery protection circuit (14), a level conversion circuit (15) and a lithium battery DC/DC voltage reduction circuit (16).
2. The small and chargeable behind-the-ear hearing aid as claimed in claim 1, wherein the card slot (9) is used for clamping the upper circuit board (4) and the lower circuit board (5) in the middle for fixing and supporting.
3. A small, rechargeable behind-the-ear hearing aid according to claim 1, characterized in that the hearing aid charging contact plate (8) is electrically connected to the lower circuit board (5) and extends to the outer surface of the hearing aid housing.
4. A small, chargeable behind-the-ear hearing aid according to claim 1, characterized in that the hearing aid charging contact board (8) comprises two charging contacts (17), a control signal input contact (18) and a program download contact (19); the charging contact (17) and a control signal input contact (18) are electrically connected with the lower circuit board (5) respectively, and the program downloading contact (19) is electrically connected with the upper circuit board (4).
5. A small and chargeable behind-the-ear hearing aid as claimed in claim 1, wherein said button (3) is shaped as a seesaw, with bumps (20) at both ends, the bumps (20) at both ends being aligned with the keys (11) on the upper circuit board (4), respectively, and one end of the button (3) being pressed down onto the keys (11) on the upper circuit board (4).
6. A small, rechargeable behind-the-ear hearing aid according to claim 1, characterized in that the level shifter circuit (15) is electrically connected to the control signal input contact (18) in the hearing aid charging contact board (8) at one end and to the lithium battery DC/DC step-down circuit (16) at the other end.
7. A small, rechargeable behind-the-ear hearing aid according to claim 1, characterized in that the charging contacts (17) together with the program download contacts (19) and the lithium ion rechargeable battery (7) form a program download interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023235070.5U CN213938323U (en) | 2020-12-29 | 2020-12-29 | Small and exquisite chargeable ear-carried hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023235070.5U CN213938323U (en) | 2020-12-29 | 2020-12-29 | Small and exquisite chargeable ear-carried hearing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213938323U true CN213938323U (en) | 2021-08-10 |
Family
ID=77156519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023235070.5U Active CN213938323U (en) | 2020-12-29 | 2020-12-29 | Small and exquisite chargeable ear-carried hearing aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213938323U (en) |
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2020
- 2020-12-29 CN CN202023235070.5U patent/CN213938323U/en active Active
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