Bluetooth audio adapter
By designing a trapezoidal housing structure and a multi-interface Bluetooth audio adapter, the problems of complex structure, large size, and high cost in existing technologies have been solved, achieving the effect of easy processing, maintenance, and adaptation to various peripheral terminals.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-04-07
AI Technical Summary
Existing Bluetooth audio adapters are complex in structure, large in size, high in cost, easily damaged, difficult to manufacture and maintain, and difficult to adapt to various peripheral terminals.
Design a trapezoidal shell structure that includes a knob assembly, display panel, buttons, main control circuit board and multiple interfaces. The simple assembly method facilitates processing and maintenance, and a hanging hole is added to save space. It also supports multiple communication interfaces.
It achieves a simple structure, small size, low cost, long lifespan, and wide adaptability, thereby enhancing market competitiveness and ease of use.
Smart Images

Figure CN224097833U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of audio adapter technology, and in particular to a Bluetooth audio adapter. Background Technology
[0002] Bluetooth is a short-range wireless communication standard used to establish small, economical, and short-range wireless links between portable computers, mobile phones, and other mobile devices. With the development of wireless technology and the improvement of people's living standards, many electronic devices are equipped with Bluetooth devices, such as Bluetooth music players. These players, based on ordinary music players, incorporate Bluetooth communication functionality, enabling them to communicate with other Bluetooth peripherals via the Bluetooth protocol, thereby achieving functions such as wireless music playback and wireless calls.
[0003] Currently, different Bluetooth devices are typically required to accommodate different peripheral devices. Although Bluetooth audio adapters can provide corresponding software for different Bluetooth devices, the Bluetooth audio adapters on the market are complex in structure, have outdated designs, are difficult to manufacture, are large in size, take up a lot of space, and are inconvenient to store. They also have high manufacturing and usage costs. Furthermore, during daily use, human-caused bumps or environmental factors can easily cause damage to the internal electronic components, reducing the lifespan of the Bluetooth audio adapter. This inconvenience and maintenance greatly reduces its market competitiveness.
[0004] Therefore, it is necessary to develop a Bluetooth audio adapter that is simple in structure, novel in design, easy to use, easy to process, assemble and maintain, low in cost, long in life, and flexibly adaptable to a variety of different peripherals to solve the above-mentioned technical problems. Utility Model Content
[0005] The technical problem to be solved by this utility model is to provide a Bluetooth audio adapter that is simple in structure, novel in design, easy to use, easy to process, assemble and maintain, low in cost, long in life, wide in application range and highly practical.
[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:
[0007] A Bluetooth audio adapter includes: a main body, the main body being a trapezoidal shell structure, a knob assembly, a slanted protrusion for mounting a display panel, and multiple buttons on the top surface of the main body, the display panel being embedded in the slanted protrusion, and the multiple buttons being movably arranged in a line in the control area corresponding to the display panel; a main control circuit board and a display module are respectively provided inside the main body, the main control circuit board having multiple circumferential status indicator lights corresponding to the knob assembly; an antenna and multiple communication interfaces are respectively provided on the rear side of the main body corresponding to the main control circuit board, wherein there are two antennas symmetrically arranged, and the multiple communication interfaces are respectively located between the two antennas; multiple hanging holes and heat dissipation holes are respectively provided on the bottom of the main body; a toggle switch and a USB interface are respectively provided on both sides of the main body; the antenna, multiple communication interfaces, toggle switch, USB interface, and display module are electrically connected to the main control circuit board.
[0008] In the above structure, the main body includes a bottom shell and an upper shell. The upper shell is movably disposed on the upper part of the bottom shell. The upper shell and the bottom shell are connected by corresponding connecting post screws. The right side of the upper shell is provided with a circular stepped hole for installing the knob assembly. The inclined boss is integrally disposed on the left side of the upper shell. The top of the inclined boss is embedded with a groove for installing the display panel. The bottom of the groove is provided with a square mounting cavity for placing the display module, corresponding to the display panel. The lower part of the groove is provided with a series of first button holes in a straight line. The inner side of the upper shell is provided with a vertical guide groove adjacent to the toggle switch. The rear side of the upper shell is provided with mounting holes corresponding to the multiple communication interfaces.
[0009] In the above structure, the bottom shell is a planar plate-shaped structure with annular limiting ribs on the upper circumference. The inner side of the annular limiting ribs is vertically provided with guide ribs corresponding to the guide groove. The bottom outer side of the bottom shell is provided with decorative bevels along the periphery. Multiple hanging holes and heat dissipation holes are symmetrically arranged on the bottom shell, and protective structures are correspondingly provided inside the multiple hanging holes and heat dissipation holes.
[0010] In the above structure, the main control circuit board is horizontally mounted on the bottom shell, and the main control circuit board is connected to the bottom shell by corresponding screw posts. Multiple communication interfaces are arranged on the rear side of the main control circuit board corresponding to the mounting holes. The toggle switch and USB interface are respectively arranged on both sides of the main control circuit board. The main control circuit board also includes a control circuit, a Bluetooth module, an audio SOC chip, a microprocessor, a tactile button, and a rotary connector. The Bluetooth module, audio SOC chip, microprocessor, tactile button, rotary connector, gear switch, and USB interface are all electrically connected to the control circuit.
[0011] In the above structure, the multiple communication interfaces include a Type-C interface, an HDMI input interface, an AUX input / output interface, a coaxial input interface, and an optical fiber input jack, and the multiple communication interfaces are electrically connected to the control circuit respectively.
[0012] In the above structure, the display module is configured corresponding to the display panel. The display module includes a display screen, a flexible circuit board, a packaging layer, and a sub-PCB board. The display screen is a liquid crystal display screen.
[0013] In the above structure, the display panel matches the groove, and a plurality of second button holes are provided through the lower part of the display panel, with the plurality of second button holes corresponding to the plurality of first button holes.
[0014] In the above structure, the knob assembly includes a knob and a knob base. The knob is movably mounted on the knob base. The knob base has a space in the middle for the knob to move. The knob base has a ring structure with multiple claws at the bottom. The knob base is snapped to the upper shell. The knob is movably connected to the rotary connector. The knob base is made of transparent material.
[0015] The beneficial effects of this utility model are as follows:
[0016] This utility model features a trapezoidal mounting platform for the display module on the upper part of the outer casing, and optimizes the internal structure, resulting in a simpler structure, more novel design, easier processing and maintenance, and a longer service life. Multiple interfaces are added to accommodate different peripheral terminals, and hanging holes are provided on the bottom casing for horizontal placement or hanging installation, significantly saving space and greatly enhancing market competitiveness. This utility model boasts a simple structure, rich functionality, small size, convenient storage, wide application range, low cost, long lifespan, and strong practicality. Attached Figure Description
[0017] Figure 1 This is a front view of the Bluetooth audio adapter of this utility model;
[0018] Figure 2 This is a top view of the Bluetooth audio adapter of this utility model;
[0019] Figure 3 This is one of the cross-sectional schematic diagrams of the Bluetooth audio adapter of this utility model;
[0020] Figure 4 This is the second cross-sectional schematic diagram of the Bluetooth audio adapter of this utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the Bluetooth audio adapter of this utility model;
[0022] Figure 6This is an exploded view of the Bluetooth audio adapter of this utility model.
[0023] In the diagram, 1-display panel, 2-buttons, 3-main control circuit board, 4-display module, 5-antenna, 6-fiber optic input port, 7-hanging hole, 8-heat dissipation hole, 9-toggle switch, 10-USB interface, 11-bottom shell, 12-top shell, 13-guide groove, 14-guide rib, 15-Type-C interface, 16-HDMI input interface, 17-AUX input / output interface, 18-coaxial input interface, 19-knob, 20-knob base. Detailed Implementation
[0024] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0025] like Figure 1-6 As shown, a Bluetooth audio adapter includes: a main body, which is a trapezoidal shell structure. The top surface of the main body is provided with an inclined boss for mounting a display panel 1, a knob assembly, and multiple buttons 2. The display panel 1 is embedded in the inclined boss. The multiple buttons 2 are arranged in a straight line in the control area corresponding to the display panel 1. The interior of the main body is provided with a main control circuit board 3 and a display module 4. The main control circuit board 3 is provided with multiple circumferential status indicator lights corresponding to the knob assembly. The rear side of the main body is provided with an antenna 5 and multiple communication interfaces corresponding to the main control circuit board 3. There are two antennas 5, which are symmetrically arranged. The multiple communication interfaces are located between the two antennas 5. The bottom of the main body is provided with multiple hanging holes 7 and heat dissipation holes 8. The two sides of the main body are provided with a toggle switch 9 and a USB interface 10. The antennas 5, multiple communication interfaces, toggle switches 9, USB interfaces 10, and display module 4 are electrically connected to the main control circuit board 3.
[0026] Specifically, in this embodiment, the display panel 1 has a display area and a control area. The display area is set in relation to the display module 4, and the control area is located at the lower part of the display area. The upper part of the upper shell 12 is provided with a pickup hole.
[0027] In a preferred embodiment of this utility model, the main body includes a bottom shell 11 and an upper shell 12. The upper shell 12 is movably disposed on the upper part of the bottom shell 11. The upper shell 12 and the bottom shell 11 are connected by corresponding connecting post screws. The right side of the upper shell 12 is provided with a circular stepped hole for mounting a knob assembly. An inclined boss is integrally disposed on the left side of the upper shell 12. The top of the inclined boss is embedded with a groove for mounting a display panel 1. The bottom of the groove is provided with a square mounting cavity for mounting a display module 4 corresponding to the display panel 1. The lower part of the groove is provided with a series of first button holes in a straight line. The inner side of the upper shell 12 is provided with a guide groove 13 vertically adjacent to the toggle switch 9. The rear side of the upper shell 12 is provided with mounting holes corresponding to multiple communication interfaces.
[0028] Specifically, in this embodiment, the upper shell 12 matches the bottom shell 11, and the upper shell 12 and the bottom shell 11 are respectively provided with multiple connecting posts and / or snap-fit structures inside, and the upper shell 12 and the bottom shell 11 are connected by screws or snap-fits.
[0029] In a preferred embodiment of this utility model, the bottom shell 11 is a planar plate-shaped structure with annular limiting ribs on the upper circumference. The inner side of the annular limiting ribs is vertically provided with guide ribs 14 corresponding to the guide groove 13. The bottom outer side of the bottom shell is provided with decorative bevels along the periphery. Multiple hanging holes 7 and heat dissipation holes 8 are symmetrically arranged on the bottom shell 11, and protective structures are correspondingly provided inside the multiple hanging holes 7 and heat dissipation holes 8.
[0030] Specifically, in this embodiment, the annular limiting rib is vertically arranged on the upper part of the bottom shell 11, and the annular limiting rib matches the upper shell 12.
[0031] In a preferred embodiment of this utility model, the main control circuit board 3 is horizontally mounted on the bottom shell 11. The main control circuit board 3 and the bottom shell 11 are connected by corresponding screw posts. Multiple communication interfaces are mounted with corresponding mounting holes on the rear side of the main control circuit board 3. The toggle switch 9 and the USB interface 10 are respectively mounted on both sides of the main control circuit board 3. The main control circuit board 3 also includes a control circuit, a Bluetooth module, an audio SOC chip, a microprocessor, a tactile button, and a rotary connector. The Bluetooth module, the audio SOC chip, the microprocessor, the tactile button, the rotary connector, the gear switch, and the USB interface are all electrically connected to the control circuit.
[0032] Specifically, in this embodiment, the Bluetooth module refers to a basic circuit set of a chip that integrates Bluetooth functionality. It is used for wireless network communication and is based on the chip but has been modified to make subsequent applications simpler.
[0033] Specifically, in this embodiment, the external device corresponding to the Bluetooth audio adapter is determined, and audio signals are provided to the external device through the Bluetooth audio adapter.
[0034] In a preferred embodiment of this utility model, the multiple communication interfaces include a Type-C interface 15, an HDMI input interface 16, an AUX input / output interface 17, a coaxial input interface 18, and an optical fiber input jack 6, and the multiple communication interfaces are electrically connected to the control circuit respectively.
[0035] Specifically, in this embodiment, the fiber optic input port 6 includes a fiber optic transceiver connected thereto.
[0036] In a preferred embodiment of this utility model, the display module 4 is disposed corresponding to the display panel 1. The display module 4 includes a display screen, a flexible circuit board, a packaging layer and a sub-PCB board. The display screen is a liquid crystal display screen. The display panel matches the groove. The lower part of the display panel 1 is provided with a plurality of second button holes, which correspond to a plurality of first button holes.
[0037] Specifically, in this embodiment, multiple second button holes are matched with multiple first button holes, and multiple buttons are movably connected to the corresponding tactile on / off keys on the main control circuit board 3 through multiple second button holes and multiple first button holes.
[0038] In a preferred embodiment of this utility model, the knob assembly includes a knob 19 and a knob base 20. The knob 19 is movably disposed on the knob base 20. The knob base 20 has a space in the middle for the knob 19 to move. The knob base 20 has a ring structure with multiple claws at the bottom. The knob base 20 is snapped to the upper shell 12. The knob 19 is movably connected to the rotary connector. The knob base 20 is made of transparent material.
[0039] Specifically, in this embodiment, the Bluetooth module receives signals sent to the Bluetooth audio adapter by other Bluetooth devices through the antenna, and then sends them to the microprocessor for Bluetooth protocol processing and audio demodulation. The signal after protocol processing and audio demodulation is converted into audio data.
[0040] Specifically, in this embodiment, an energy storage power supply is also included. The energy storage power supply is a new energy battery, including lithium batteries and nickel-zinc batteries. The energy storage power supply is located at the lower part of the main control circuit board 3 and is electrically connected to the main control circuit board 3.
[0041] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0042] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0043] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.
Claims
1. A Bluetooth audio adapter, characterized in that, include: The main body is a trapezoidal shell structure. On its top surface are a knob assembly, a slanted protrusion for mounting a display panel, and multiple buttons. The display panel is embedded in the slanted protrusion. The buttons are arranged in a linear fashion in the control area corresponding to the display panel. Inside the main body are a main control circuit board and a display module. The main control circuit board has multiple circumferential status indicator lights corresponding to the knob assembly. On the rear side of the main body, corresponding to the main control circuit board, are two antennas symmetrically arranged, with the communication interfaces located between them. The bottom of the main body has multiple mounting holes and heat dissipation holes. On both sides of the main body are a toggle switch and a USB interface. The antennas, communication interfaces, toggle switches, USB interfaces, and display module are electrically connected to the main control circuit board.
2. The Bluetooth audio adapter according to claim 1, characterized in that, The main body includes a bottom shell and an upper shell. The upper shell is movably disposed on the upper part of the bottom shell. The upper shell and the bottom shell are connected by corresponding connecting post screws. The right side of the upper shell is provided with a circular stepped hole for installing the knob assembly. The inclined boss is integrally disposed on the left side of the upper shell. The top of the inclined boss is embedded with a groove for installing the display panel. The bottom of the groove is provided with a square cavity for placing the display module corresponding to the display panel. The lower part of the groove is provided with a series of first button holes in a straight line. The inner side of the upper shell is provided with a vertical guide groove adjacent to the toggle switch. The rear side of the upper shell is provided with mounting holes corresponding to the multiple communication interfaces.
3. The Bluetooth audio adapter according to claim 2, characterized in that, The bottom shell is a planar plate-shaped structure with annular limiting ribs on the upper circumference. The inner side of the annular limiting ribs is vertically provided with guide ribs corresponding to the guide groove. The bottom outer side of the bottom shell is provided with decorative bevels along the perimeter. Multiple hanging holes and heat dissipation holes are symmetrically arranged on the bottom shell, and protective structures are correspondingly provided inside the multiple hanging holes and heat dissipation holes.
4. The Bluetooth audio adapter according to claim 3, characterized in that, The main control circuit board is horizontally mounted on the bottom shell and connected to the bottom shell by corresponding screw posts. Multiple communication interfaces are located on the rear side of the main control circuit board, corresponding to the mounting holes. The toggle switch and USB interface are respectively located on both sides of the main control circuit board. The main control circuit board also includes a control circuit, a Bluetooth module, an audio SOC chip, a microprocessor, a tactile button, and a rotary connector. The Bluetooth module, audio SOC chip, microprocessor, tactile button, rotary connector, gear switch, and USB interface are all electrically connected to the control circuit.
5. The Bluetooth audio adapter according to claim 4, characterized in that, The multiple communication interfaces include a Type-C interface, an HDMI input interface, an AUX input / output interface, a coaxial input interface, and an optical fiber input jack, and each of the multiple communication interfaces is electrically connected to the control circuit.
6. The Bluetooth audio adapter according to claim 2, characterized in that, The display module is configured corresponding to the display panel. The display module includes a display screen, a flexible circuit board, a packaging layer, and a sub-PCB board. The display screen is a liquid crystal display screen.
7. The Bluetooth audio adapter according to claim 6, characterized in that, The display panel matches the groove, and a plurality of second button holes are provided through the lower part of the display panel, with the plurality of second button holes corresponding to the plurality of first button holes.
8. The Bluetooth audio adapter according to claim 4, characterized in that, The knob assembly includes a knob and a knob base. The knob is movably mounted on the knob base. The knob base has a space in the middle for the knob to move. The knob base has multiple claw-shaped ring structures at the bottom. The knob base is snapped to the upper shell. The knob is movably connected to a rotary connector. The knob base is made of transparent material.