Sound producing devices

Patent metadata

Field	Value
Publication number	US-12063467-B2
Application number	US-202217934190-A
Country	US
Kind code	B2
Filing date	Sep 21, 2022
Priority date	Jul 28, 2020
Publication date	Aug 13, 2024
Grant date	Aug 13, 2024

Abstract

The present disclosure provides a sound producing device, at least comprising a housing assembly. The housing assembly comprises a housing and a sealing member. The housing is provided with a plug-in hole, and the plug-in hole runs through a side wall of one side of the housing; the sealing member is used for plugging and sealing the plug-in hole; the plug-in hole comprises at least one hole wall segment provided along a plugging direction of the sealing member; the cross-sectional area of a reference cross section of at least part of the at least one hole wall segment perpendicular to the plugging direction of the sealing member increases gradually along the plugging direction; the sealing member is in plugging fit with the at least one hole wall segment.

First claim

What is claimed is:

1. A sound producing device, comprising at least one housing assembly, wherein the housing assembly includes:
a housing, wherein the housing is provided with a plug-in hole, and the plug-in hole penetrates through a side wall of a side of the housing; and
a sealing member configured to plug and seal the plug-in hole, wherein the plug-in hole includes at least one hole wall segment disposed along a plugging direction of the sealing member, a cross-sectional area of at least part structure of the at least one hole wall segment on a reference section gradually increases along the plugging direction of the sealing member, the reference section is perpendicular to the plugging direction, and the sealing member is plugging fit with the at least one hole wall segment.

2. The sound producing device of claim 1 , wherein the sealing member includes an insertion part configured to insert into the plug-in hole, the insertion part includes at least one protruding structure, and the at least one protruding structure abuts against the at least one hole wall segment when the insertion part is inserted into the plug-in hole.

3. The sound producing device of claim 1 , wherein the at least one hole wall segment includes a first hole wall segment and a second hole wall segment, the first hole wall segment and the second hole wall segment are connected in sequence along the plugging direction of the sealing member, and an included angle between the second hole wall segment and the first hole wall segment is an obtuse angle on a reference plane parallel to the plugging direction.

4. The sound producing device of claim 3 , wherein the included angle between the second hole wall segment and the first hole wall segment on the reference plane is θ, and 155°≤θ<180°.

5. The sound producing device of claim 3 , wherein a cross-sectional area of the second hole wall segment on the reference section gradually increases along the plugging direction.

6. The sound producing device of claim 2 , wherein the housing further includes a mounting hole, the sealing member includes an assembly part connected to the insertion part, and the assembly part is fixedly connected to the housing through the mounting hole.

7. The sound producing device of claim 6 , wherein a free end of the insertion part is provided with an avoidance structure, the avoidance structure is configured to reduce interference between a corner of the free end of the insertion part away from the assembly part and the housing during a process of inserting the insertion part into the plug-in hole or taking out the insertion part from the plug-in hole.

8. The sound producing device of claim 6 , wherein the housing includes an accommodating cavity, the plug-in hole and the mounting hole are respectively connected with the accommodating cavity, the housing assembly further includes an interface disposed in the accommodating cavity, the interface is disposed correspondingly to the plug-in hole, and the interface is exposed through the plug-in hole after the insertion part is taken out of the plug-in hole.

9. The sound producing device of claim 1 , further comprising a charging assembly fixed in the accommodating cavity of the housing, wherein the charging assembly includes:
an interface including at least one charging pin and at least one burning pin;
a processing chip connected to the at least one burning pin, wherein the processing chip burns data through the at least one burning pin to adjust parameters of the sound producing device; and
a battery management module and a battery, wherein the battery management module is configured to control a charging current of the battery, the battery is configured to power the sound producing device, and the battery management module is connected to the at least one charging pin.

10. The sound producing device of claim 9 , wherein the interface includes at least one of: a TYPE-A interface, a TYPE-B interface, a TYPE-C interface, a USB interface, or a Lighting interface.

11. The sound producing device of claim 10 , wherein the interface is the TYPE-C interface, and a TX+pin, a TX−pin, a RX+pin and a RX−pin of the TYPE-C interface are the at least one burning pin used to burn the data.

12. The sound producing device of claim 9 , wherein the battery is a fast-charging lithium battery, and the battery management module controls the charging current according to a voltage of the battery.

13. The sound producing device of claim 12 , wherein the battery management module controls the charging current according to the voltage of the battery by:
obtaining the voltage of the battery;
determining whether the voltage of the battery is within a first preset voltage range; and
in response to determining that the voltage of the battery is within the first preset voltage range, controlling the charging current to be within a first preset current range.

14. The sound producing device of claim 12 , wherein the battery management module controls the charging current according to the voltage of the battery by:
obtaining the voltage of the battery;
determining whether the voltage of the battery is within a second preset voltage range; and
in response to determining that the voltage of the battery is within the second preset voltage range, reducing the charging current to keep the voltage of the battery being within the second preset voltage range.

15. The sound producing device of claim 12 , wherein the battery management module controls the charging current according to the voltage of the battery by:
obtaining the charging current;
determining whether the charging current is within a second preset current range; and
in response to determining that the charging current is within the second preset current range, controlling the battery to stop charging.

16. The sound producing device of claim 9 , wherein the charging assembly further includes a voltage regulator configured to convert an output voltage of the battery into a regulated voltage; and
an input end of the voltage regulator is connected to an output end of the battery, and an output end of the voltage regulator is connected to an input end of the processing chip.

17. The sound producing device of claim 9 , wherein the sound producing device further includes:
a power amplifier chip, wherein an input end of the power amplifier chip is connected to an output end of the processing chip, and the power amplifier chip is configured to amplify an audio signal of the processing chip; and
at least one speaker connected to an output end of the power amplifier chip and configured to output the audio signal of the processing chip amplified and processed by the power amplifier chip.

18. The sound producing device of claim 9 , wherein the sound producing device further includes:
at least one microphone connected to an input end of the processing chip and configured to output a received audio signal to the processing chip.

19. The sound producing device of claim 9 , wherein the interface includes an identification pin configured to identify a functional accessory so that the sound producing device is matched and connected to the functional accessory.

20. The sound producing device of claim 9 , wherein the charging assembly includes a plurality of TVS Diodes, one end of the TVS Diode is connected to the burning pin or the charging pin, and the other end of the TVS Diode is grounded.

Assignees

• Shenzhen Shokz Co Ltd

Inventors

• Yang Song
• You Fen
• Wang Yonggen
• Liu Zhiqing
• Mao Xinnan

Classifications

• H04R2420/09

  Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones · CPC title

• H04R2420/07

  Applications of wireless loudspeakers or wireless microphones · CPC title

• H04R1/1091

  Details not provided for in groups H04R1/1008 - H04R1/1083 · CPC title

• H04R1/1058

  Manufacture or assembly · CPC title

• H04R2201/107

  Monophonic and stereophonic headphones with microphone for two-way hands free communication · CPC title