Portable Bluetooth sound box

Abstract

A portable Bluetooth sound box comprises a bottom shell and a panel, the bottom shell and the panel are connected through screws to form a cavity, a waterproof ring is arranged at the joint of the bottom shell and the panel, a mainboard, a lithium battery and a loudspeaker are arranged in the cavity, a through hole is formed in the position, corresponding to the loudspeaker, of the panel, keys are arranged on the panel, and the mainboard is electrically connected with the keys, the lithium battery and the loudspeaker. The upper end of the clamping plate and the top end of the rear side of the bottom shell are connected into a whole through a pin shaft, the clamping plate rotates with the pin shaft as the center, a torsional spring is arranged on the pin shaft, a notch is formed in the clamping plate, and a magnetic attraction assembly is movably arranged in the notch and comprises a fixing plate and a pair of magnets which are magnetically attracted. The other magnet is arranged in the bottom shell; the magnetic type clothes hanger is small in size and light in weight, and can be conveniently hung on clothes, knapsacks or metal surfaces through 360-degree rotary adsorption of the clamping plates and the magnetic attraction assemblies; the tone quality and the volume are obviously improved; gains are dynamically adjusted according to the electric quantity, and tone quality degradation during low electric quantity is avoided.

Description

Technical Field

[0001] This utility model relates to the field of Bluetooth speaker technology, and in particular to a portable Bluetooth speaker. Background Technology

[0002] With the rise of outdoor sports, speakers have also moved outdoors. People like to bring Bluetooth speakers with them when picnicking, exploring, cycling, or hiking. Bluetooth speakers are widely loved by users for their portability and wireless functionality. However, portable Bluetooth audio devices on the market currently suffer from the following problems: Poor sound quality: Most devices are prone to distortion at high volumes and lack low-frequency performance. Limited battery life: Small battery capacity and a lack of efficient power management technology. Insufficient portability: Large size or lack of convenient carrying methods, such as the absence of magnetic attachment. Limited functionality: Only supports Bluetooth playback and lacks broadcasting functions or other practical features. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a portable Bluetooth speaker that is small in size and light in weight. It can be rotated 360° and attached to clothing, backpacks or metal surfaces by means of a clamp and magnetic components. It significantly improves sound quality and volume and dynamically adjusts the gain according to the battery level to avoid sound quality degradation when the battery is low.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: A portable Bluetooth speaker includes a bottom shell and a front panel. The bottom shell and the front panel are connected by screws to form a cavity. A waterproof ring is provided at the connection between the bottom shell and the front panel. A motherboard, a lithium battery, and a speaker are provided inside the cavity. The motherboard, lithium battery, and speaker are fixedly mounted on the bottom shell. A through hole is opened on the front panel corresponding to the speaker. A button is provided on the front panel. The motherboard is electrically connected to the button, lithium battery, and speaker. The upper end of a clamping plate is connected to the rear top of the bottom shell by a pin. The clamping plate rotates around the pin. A torsion spring is provided on the pin. A notch is opened on the clamping plate. A magnetic attraction component is movably arranged in the notch. The magnetic attraction component includes a fixing plate and a pair of magnetically attracted magnets. One magnet is fixedly mounted on the fixing plate, and the other magnet is disposed inside the bottom shell.

[0005] Furthermore, the motherboard integrates a BT8962B Bluetooth chip, a TP4056 charging chip, and a P8945 power amplifier, and the bottom of the bottom shell 1 is provided with a charging port protective plug.

[0006] Furthermore, the opening end of the bottom shell and the panel are set in a V shape, the included angle of the V shape is an obtuse angle, and the bottom shell and the panel are rounded around the perimeter.

[0007] Furthermore, the buttons include touch buttons, including mode buttons, volume buttons, and power buttons.

[0008] The beneficial effects of this utility model are: high-efficiency audio power amplifier integration: it adopts the BT8962B2 Bluetooth chip and the P8945 high-efficiency audio power amplifier, supports Bluetooth 5.4, broadcast function and high-fidelity output, with DSP algorithm, outputs 4W power at 3.6V voltage, significantly improving sound quality and volume; battery tracking AGC function, dynamically adjusts the gain according to the power level, and avoids sound quality degradation when the power is low.

[0009] Magnetic portable design: The clip and magnetic components on the back allow the speaker to rotate 360° and attach to clothing, backpacks or metal surfaces.

[0010] Multifunctional integration: Supports Bluetooth playback and broadcast mode switching, suitable for outdoor tours, team collaboration and other scenarios; Type-C interface fast charging, fully charged in 1.5 hours, with a battery life of up to 8 hours.

[0011] This speaker measures 65mm×45mm×30mm and weighs only 80g. It is small in size, lightweight, simple in structure, ingeniously designed, and has good performance. The parts not described in detail in this utility model are existing commonly used technologies. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings:

[0013] Figure 1 This is a schematic diagram of the front view structure of the final assembly;

[0014] Figure 2 This is a schematic diagram of the rear view structure of the final assembly;

[0015] Figure 3 This is an exploded structural diagram of the present invention;

[0016] In the diagram: 1. Bottom shell; 2. Front panel; 3. Buttons; 4. Mainboard; 5. Lithium battery; 6. Speaker; 7. Waterproof ring; 8. Charging port protective plug; 9. Clamping plate; 10. Fixing plate; 11. Torsion spring; 12. Pin; 13. Magnet. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0018] like Figures 1-3As shown, a portable Bluetooth speaker includes a bottom shell 1 and a front panel 2. The bottom shell 1 and the front panel 2 are connected by screws to form a cavity. A waterproof ring 7 is provided at the connection between the bottom shell 1 and the front panel 2. The cavity contains a main board 4, a lithium battery 5, and a speaker 6. The main board 4, the lithium battery 5, and the speaker 6 are fixedly mounted on the bottom shell 1. The front panel 2 has a through hole corresponding to the speaker 6. The front panel 2 has a button 3. The main board 4 is electrically connected to the button 3, the lithium battery 5, and the speaker 6. The upper end of the clamping plate 9 is connected to the rear top of the bottom shell 1 by a pin 12. The clamping plate 9 rotates around the pin 12. A torsion spring 11 is provided on the pin 12. The clamping plate 9 has a notch. A magnetic attraction component is movably mounted in the notch. The magnetic attraction component includes a fixing plate 10 and a pair of magnetically attracted magnets 13. One magnet 13 is fixedly mounted on the fixing plate 10, and the other magnet 13 is located inside the bottom shell 1.

[0019] The motherboard 4 integrates a BT8962B Bluetooth chip and a TP4056 charging chip, supporting Type-C interface fast charging, and a P8945 power amplifier. The BT8962B Bluetooth chip and the P8945 power amplifier are combined to support Bluetooth 5.4 and broadcast functions. The bottom of the bottom shell 1 is provided with a charging port protective plug 8.

[0020] The opening end of the bottom shell 1 and the panel 2 are set in a V shape, the included angle of the V shape is an obtuse angle, and the bottom shell 1 and the panel 2 are rounded around the edges.

[0021] The button 3 includes a touch button, including a mode button, a volume button, and a power button.

[0022] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A portable Bluetooth speaker comprising a bottom shell (1), a panel (2), characterized in that: The bottom shell (1) and the panel (2) are connected by screws to form a cavity. A waterproof ring (7) is provided at the connection between the bottom shell (1) and the panel (2). The cavity contains a main board (4), a lithium battery (5), and a speaker (6). The main board (4), the lithium battery (5), and the speaker (6) are fixedly mounted on the bottom shell (1). A through hole is opened on the panel (2) corresponding to the speaker (6). A button (3) is provided on the panel (2). The main board (4) is electrically connected to the button (3), the lithium battery (5), and the speaker (6). The upper end of the clamping plate (9) is connected to the rear top of the bottom shell (1) by a pin (12). The clamping plate (9) rotates around the pin (12). A torsion spring (11) is provided on the pin (12). A notch is provided on the clamping plate (9). A magnetic attraction component is movably arranged in the notch. The magnetic attraction component includes a fixing plate (10) and a pair of magnetically attracted magnets (13). One magnet (13) is fixedly set on the fixing plate (10), and the other magnet (13) is set inside the bottom shell (1).

2. The portable Bluetooth speaker of claim 1, wherein: The motherboard (4) integrates a BT8962B Bluetooth chip, a TP4056 charging chip, and a P8945 power amplifier. The bottom of the bottom shell (1) is provided with a charging port protective plug (8).

3. The portable Bluetooth speaker of claim 1, wherein: The opening end of the bottom shell (1) and the panel (2) are set in a V shape, the included angle of the V shape is an obtuse angle, and the bottom shell (1) and the panel (2) are rounded around the perimeter.

4. The portable Bluetooth speaker of claim 1, wherein: The button (3) is a touch button, including a mode button, a volume button, and a power button.

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