Bluetooth earphone PCBA board with good protection performance

Abstract

The utility model discloses a bluetooth earphone PCBA board with good protection performance, and relates to the bluetooth earphone technology field, the bluetooth earphone PCBA board comprises a PCBA board, the external part of the PCBA board is provided with protection boards, the protection boards comprise a first protection board and a second protection board, the PCBA board is fixedly installed on the first protection board, one side of the first protection board is fixedly connected with a butt joint column, and the butt joint column is fixedly connected with the external part of the PCBA board. A butt joint groove matched with the butt joint column is formed in the second protection plate, a soft cushion layer is fixedly connected to the interior of the second protection plate, a threaded hole is formed in the butt joint column, a limiting stud is arranged in the butt joint groove in a penetrating mode, and the limiting stud is connected to the interior of the threaded hole in a threaded mode. According to the utility model, the protection plate composed of the first protection plate and the second protection plate is arranged outside the PCBA plate, and the soft cushion layer is arranged in the second protection plate, so that the PCBA plate in the protection plate can be effectively protected, and the anti-falling and anti-vibration performance of the Bluetooth earphone PCBA can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of Bluetooth headsets, in particular to a Bluetooth headset PCBA board with good protection. Background Art

[0002] Bluetooth headsets are hands-free headsets that apply Bluetooth technology, allowing users to avoid the entanglement of annoying wires and make calls easily in various ways. Bluetooth headsets are generally equipped with PCBA circuit boards, speakers and other electronic components.

[0003] For example, a Bluetooth headset PCBA circuit board with touch control, whose application number is CN202020150176.6 and whose authorization announcement date is 20200717, belongs to the field of Bluetooth headset circuits and solves the problem of Bluetooth control reliability. The key points of its technical solution are that it includes a Bluetooth headset core chip module, an antenna module, and an audio playback module. The antenna module and the audio playback module are connected to the Bluetooth headset core chip module, and the Bluetooth headset core chip module is also connected to a capacitive sound transmission module and a touch sensor module; the capacitive sound transmission module includes a sound transmission chip and a sound transmission circuit, and the sound transmission chip is connected to pins 12 and 13 of the Bluetooth headset core chip module through the sound transmission circuit; the touch sensor module includes a touch chip and a configuration circuit, and the touch chip is connected to pin 2 of the Bluetooth headset core chip module through the configuration circuit, thereby achieving the touch function and improving the reliability and convenience of use.

[0004] At present, the anti-fall and anti-vibration performance of Bluetooth headsets is relatively poor. When the Bluetooth headset falls, the PCBA circuit board inside the Bluetooth headset is easily broken, resulting in damage to the Bluetooth headset, making the Bluetooth headset unable to be used normally. Therefore, the utility model proposes a Bluetooth headset PCBA board with good protection. Utility Model Content

[0005] Technical issues solved

[0006] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a Bluetooth headset PCBA board with good protection.

[0007] Technical Solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a Bluetooth headset PCBA board with good protection, comprising a PCBA board, a protective plate is arranged on the outside of the PCBA board, the protective plate comprises a first protective plate and a second protective plate, the PCBA board is fixedly installed on the first protective plate, a docking column is fixedly connected to one side of the first protective plate, a docking groove adapted to the docking column is provided on the second protective plate, a soft cushion layer is fixedly connected to the inside of the second protective plate, and a protective plate composed of the first protective plate and the second protective plate is arranged on the outside of the PCBA board, and a soft cushion layer is also arranged in the second protective plate, thereby effectively protecting the PCBA board inside the protective plate, so as to improve the anti-fall and anti-shock performance of the Bluetooth headset PCBA.

[0009] Preferably, a threaded hole is provided on the docking column, a limiting stud is passed through the interior of the docking groove, and the limiting stud is threadedly connected to the interior of the threaded hole.

[0010] Preferably, it also includes a circuit for providing power to the PCBA board body, and the circuit includes a positive circuit and a negative circuit.

[0011] Preferably, a wire hole for passing a wire is formed on one side of the second protective plate.

[0012] Preferably, a heat-conducting sleeve is passed through the wire hole, and the circuit is passed through the inside of the heat-conducting sleeve, and the heat-conducting sleeve is made of silicone. By arranging the heat-conducting sleeve in the wire hole of the second protective plate, the circuit can have better heat conduction and heat dissipation effects.

[0013] Preferably, a heat dissipation ceramic sheet is connected to one side of the first protective plate, and a heat dissipation ceramic sheet 2 is fixedly connected to one side of the second protective plate. The two heat dissipation ceramic sheets arranged on the first protective plate and the second protective plate can assist in the heat dissipation of the PCBA, thereby improving the heat dissipation effect of the Bluetooth headset PCBA board of the device.

[0014] Beneficial effects:

[0015] Compared with the prior art, the protective Bluetooth headset PCBA board has the following beneficial effects:

[0016] 1. The utility model arranges a protective plate consisting of a first protective plate and a second protective plate on the outside of the PCBA board, and a soft cushion layer is also arranged in the second protective plate, thereby effectively protecting the PCBA board inside the protective plate, so as to improve the anti-fall and anti-vibration performance of the Bluetooth headset PCBA.

[0017] 2. The utility model arranges a heat-conducting sleeve in the wire hole of the second protective plate, thereby achieving better heat conduction and heat dissipation effects on the circuit, and the two heat dissipation ceramic sheets arranged on the first protective plate and the second protective plate can assist in the heat dissipation of the PCBA, thereby improving the heat dissipation effect of the Bluetooth headset PCBA board of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the second protective plate of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the first protective plate of the utility model;

[0022] Figure 5 It is a schematic cross-sectional structure diagram of the second protective plate of the utility model;

[0023] Figure 6 The figure is a schematic diagram of the installation structure of the heat dissipation ceramic sheet of the utility model.

[0024] In the figure:

[0025] 1. PCBA board; 2. First protective plate; 3. Second protective plate; 4. Circuit; 5. Thermal sleeve; 6. Heat dissipation ceramic sheet; 7. Second heat dissipation ceramic sheet; 201. Docking column; 2011. Threaded hole; 301. Docking groove; 3011. Limiting stud; 302. Cushion layer; 303. Wire hole. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1 to Figure 6As shown, the utility model provides a technical solution: a Bluetooth headset PCBA board with good protection, including a PCBA board 1, a protective plate is arranged on the outside of the PCBA board 1, the protective plate includes a first protective plate 2 and a second protective plate 3, the PCBA board 1 is fixedly installed on the first protective plate 2, a docking column 201 is fixedly connected to one side of the first protective plate 2, a docking groove 301 adapted to the docking column 201 is opened on the second protective plate 3, and a soft cushion layer 302 is fixedly connected to the inside of the second protective plate 3. By arranging a protective plate composed of the first protective plate 2 and the second protective plate 3 on the outside of the PCBA board 1, and further arranging the soft cushion layer 302 in the second protective plate 3, the PCBA board 1 inside the protective plate can be effectively protected, so as to improve the anti-fall and anti-shock performance of the Bluetooth headset PCBA.

[0028] Please pay attention to Figure 2 , Figure 3 and Figure 4 A threaded hole 2011 is provided on the docking column 201, and a limiting stud 3011 is passed through the interior of the docking groove 301. The limiting stud 3011 is threadedly connected to the interior of the threaded hole 2011. The setting of the threaded hole 2011 and the limiting stud 3011 can serve the purpose of fixing the first protective plate 2 and the second protective plate 3.

[0029] Please pay attention to Figure 3 and Figure 4 It also includes a circuit 4 for providing power to the PCBA board body 1, and the circuit 4 includes a positive circuit and a negative circuit. A wire hole 303 for the circuit 4 to pass through is opened on one side of the second protective plate 3. A heat-conducting sleeve 5 is passed through the wire hole 303. The circuit 4 is passed through the inside of the heat-conducting sleeve 5. The heat-conducting sleeve 5 is made of silicone. By arranging the heat-conducting sleeve 5 in the wire hole 303 of the second protective plate 3, the circuit 4 can have a better heat conduction and heat dissipation effect.

[0030] Please pay attention to Figure 2 and Figure 6 A heat dissipation ceramic sheet 6 is connected to one side of the first protective plate 2, and a heat dissipation ceramic sheet 7 is fixedly connected to one side of the second protective plate 3. The two heat dissipation ceramic sheets arranged on the first protective plate 2 and the second protective plate 3 can assist in the heat dissipation of the PCBA, thereby improving the heat dissipation effect of the Bluetooth headset PCBA board of the device.

[0031] Working principle: A protective plate consisting of a first protective plate 2 and a second protective plate 3 is arranged on the outside of the PCBA board 1, and a soft cushion layer 302 is also arranged in the second protective plate 3, which can effectively protect the PCBA board 1 inside the protective plate, so as to improve the anti-fall and shock resistance of the Bluetooth headset PCBA. A thermal conductive sleeve 5 is arranged in the wire hole 303 of the second protective plate 3, so as to have a good thermal conductivity and heat dissipation effect on the line 4, and the two heat dissipation ceramic sheets arranged on the first protective plate 2 and the second protective plate 3 can have an auxiliary heat dissipation effect on the PCBA, thereby improving the heat dissipation effect of the Bluetooth headset PCBA board of the device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective Bluetooth headset PCBA board, comprising a PCBA board (1), characterized in that: A protective plate is arranged outside the PCBA board (1), and the protective plate comprises a first protective plate (2) and a second protective plate (3). The PCBA board (1) is fixedly mounted on the first protective plate (2), a docking column (201) is fixedly connected to one side of the first protective plate (2), a docking groove (301) adapted to the docking column (201) is provided on the second protective plate (3), and a cushion layer (302) is fixedly connected inside the second protective plate (3).

2. A protective Bluetooth headset PCBA board according to claim 1, characterized in that: A threaded hole (2011) is provided on the docking column (201), a limiting stud (3011) is passed through the interior of the docking groove (301), and the limiting stud (3011) is threadedly connected to the interior of the threaded hole (2011).

3. A protective Bluetooth headset PCBA board according to claim 1, characterized in that: It also includes a circuit (4) for providing power to the PCBA board (1), wherein the circuit (4) includes a positive circuit and a negative circuit.

4. A protective Bluetooth headset PCBA board according to claim 3, characterized in that: A wire hole (303) for passing a wire (4) is provided on one side of the second protective plate (3).

5. A protective Bluetooth headset PCBA board according to claim 4, characterized in that: A heat-conducting sleeve (5) is passed through the wire hole (303), and the circuit (4) is passed through the interior of the heat-conducting sleeve (5), and the heat-conducting sleeve (5) is made of silicone.

6. The protective Bluetooth headset PCBA board according to claim 1, characterized in that: A heat dissipation ceramic sheet (6) is connected to one side of the first protection plate (2).

7. The protective Bluetooth headset PCBA board according to claim 1, characterized in that: A second heat dissipation ceramic sheet (7) is fixedly connected to one side of the second protection plate (3).

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