Wearable mobile power supply

Abstract

The utility model belongs to the field of mobile power supplies, and particularly discloses a wearable mobile power supply which comprises a neck hanging main body which is used for being worn on the neck of a user and is of an arc-shaped structure, the interior of the neck hanging main body is hollow to form an installation cavity, and two ends of the installation cavity are respectively provided with a first assembly bin and a second assembly bin. Batteries are installed in the first assembly bin and the second assembly bin, a circuit board is installed in the installation cavity, a control module, a charging and discharging management module and an interface module are arranged on the circuit board, the interface module comprises a charging and discharging interface, an earphone interface and an external equipment interface, and the charging and discharging interface is electrically connected with the control module through the charging and discharging management module. The control module is electrically connected with an earphone through the earphone interface, the control module is electrically connected with external equipment through the external equipment interface, and the control module is further electrically connected with the battery. The mobile power supply is suitable for power supply of electronic equipment, solves the problem of single function of the existing mobile power supply, improves the practicability of the mobile power supply, and meets the diversified requirements of users.

Description

Technical Field

[0001] This utility model belongs to the field of mobile power supply, specifically a wearable mobile power supply. Background Technology

[0002] With the widespread use of portable electronic devices such as smartphones and tablets, the demand for power banks is growing. Traditional power banks usually need to be held in the hand or placed in a bag, which is not very convenient to use, especially in scenarios such as sports or travel, where users often need to free their hands.

[0003] Chinese utility model patent application number 202321004516.4 discloses a neck-hanging charging and discharging device. By setting up a mounting mechanism and two battery mechanisms, it improves the reliability and convenience of the power bank during use. However, it has a single function, only having a charging function, and cannot meet the diverse needs of users. Utility Model Content

[0004] The purpose of this invention is to provide a wearable power bank that addresses the problem of limited functionality in existing power banks, enhances their practicality, and meets diverse user needs.

[0005] To achieve the above objectives, the technical method adopted by this utility model is as follows:

[0006] A wearable power bank includes a neckband for wearing around a user's neck. The neckband has an arc-shaped structure and a hollow interior forming an installation cavity. A first assembly compartment and a second assembly compartment are respectively located at both ends of the installation cavity. Batteries are installed in both the first and second assembly compartments. A circuit board is installed within the installation cavity. The circuit board includes a control module, a charge / discharge management module, and an interface module. The interface module includes a charge / discharge interface, an earphone jack, and an external device interface. The charge / discharge interface is electrically connected to the control module via the charge / discharge management module. The output of the control module is electrically connected to the input of the earphone jack, and an earphone is electrically connected to the output of the earphone jack. The output of the control module is electrically connected to the input of the external device interface, and an external device is electrically connected to the output of the external device interface. The control module is also electrically connected to the battery.

[0007] As a limitation, it also includes mounting brackets that can be detachably installed at both ends of the neckband body, and external devices are installed on the mounting brackets.

[0008] As a further definition: the mounting bracket includes a hollow mounting base and sleeves fitted onto both ends of the neck hanger body. The mounting base is provided with a limit groove, and a fixed shaft is provided inside the mounting base. Sliding holes are provided on both sides of the mounting base. Two connecting rods are rotatably mounted on the fixed shaft. The other ends of the two connecting rods pass through the sliding holes and are rotatably connected to the sleeves. A limiting component adapted to the limiting groove is installed on the external device, and the limiting component is installed in the limiting groove.

[0009] As a further limitation: the mounting bracket also includes a magnetic component, and the bottom surface of the mounting base is made of magnetic material.

[0010] As a limitation: both ends of the neckband body are provided with snap-fit ​​covers for opening the first and second assembly compartments, and electrode plates for contacting the corresponding electrodes of the battery are installed on the inner wall of the snap-fit ​​covers.

[0011] As a limitation, the circuit board is also equipped with a communication module, through which the control module communicates with an external mobile terminal.

[0012] As a limitation: the charge and discharge management module includes a USB PD controller supporting the USB PD protocol, a DC-DC buck-boost circuit, and a load switch circuit. The USB PD controller is equipped with a hot-swappable MOSFET switch. The charge and discharge interface adopts a USB Type-C interface. The DC-DC buck-boost circuit is electrically connected to the USB Type-C interface and the control module respectively. The USB Type-C interface is also electrically connected to the DC-DC buck-boost circuit through the USB PD controller. The DC-DC buck-boost circuit is also electrically connected to the control module through the load switch circuit.

[0013] As a limitation: the neckband body is equipped with a button module, which includes a power on / off button that is electrically connected to the control module.

[0014] The beneficial effects achieved by this utility model, due to the adoption of the above-mentioned solution, compared with the prior art, are as follows:

[0015] This utility model provides a wearable power bank. By incorporating a neckband, circuit board, and battery, it not only provides the charging function of a traditional power bank but also connects to headphones. Users can use the audio playback function while charging electronic devices. Through the installation bracket and external device interface, the control module connects to external devices via the interface, enabling the use of various external devices and enhancing the power bank's practicality. Users can wear the power bank around their neck, freeing their hands and greatly improving ease of use, meeting diverse user needs. By using a magnetic material on the bottom of the mounting base and equipping it with magnetic attachments, clothing or other items around the user's neck can be held between the bottom of the mounting base and the magnetic attachments, preventing the mounting base from shaking and improving its stability. The fastening covers in the first and second assembly compartments facilitate battery replacement. USB... The PD controller features a hot-swappable MOSFET switch, enabling battery replacement under thermal conditions. Through the inclusion of control and communication modules, it can communicate with external mobile terminals, allowing users to remotely control the wearable power bank and enhancing user experience. The charge / discharge management module includes a USB PD controller, a DC-DC step-up / step-down circuit, and a load switch circuit, effectively improving charging and discharging speed, flexibly adjusting input and output voltages, and preventing overcharging, over-discharging, and short circuits, ensuring safety and stability during the charging and discharging process. A button module facilitates quick device operation, enhancing ease of use.

[0016] In summary, this utility model is applicable to power supply of electronic devices, solves the problem of limited functionality of existing power banks, improves the practicality of power banks, and meets the diverse needs of users. Attached Figure Description

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

[0018] Figure 1 This is a schematic diagram of the structure of a wearable mobile power supply according to an embodiment of the present invention;

[0019] Figure 2 This is a structural block diagram of a wearable mobile power supply according to an embodiment of the present invention;

[0020] In the diagram: 1. Neckband body; 2. Charging / discharging interface; 3. Earphone; 4. Power button; 5. Sleeve; 6. Connecting rod; 7. Sliding hole; 8. Mounting base; 9. Limiting groove; 10. Groove; 11. Steel ball; 12. Fixing rod; 13. Fan; 14. Snap-on cover; 15. Magnetic attachment; 16. Charging / discharging management module. Detailed Implementation

[0021] The present invention will be further described below with reference to the embodiments. However, those skilled in the art should understand that the present invention is not limited to the following embodiments. Any improvements and equivalent changes made based on the specific embodiments of the present invention are within the scope of protection of the claims of the present invention.

[0022] Example 1: A wearable mobile power bank

[0023] A wearable power bank, such as Figure 1 As shown, the device includes a neckband body 1 for wearing around a user's neck. The neckband body 1 has an arc-shaped structure and a hollow interior forming an installation cavity. A first assembly compartment and a second assembly compartment are respectively located at both ends of the installation cavity. Batteries are installed in both the first and second assembly compartments. The neckband body also has latching covers 14 at both ends for opening the first and second assembly compartments. Electrode plates for contacting the corresponding electrodes of the batteries are installed on the inner wall of the latching covers 14. A circuit board is installed inside the installation cavity. The circuit board includes a control module, a charge / discharge management module 14, a communication module, and an interface module. The interface module includes a charge / discharge interface 2, an earphone jack, and an external device interface. The charge / discharge management module 14 includes a USB PD controller supporting the USB PD protocol, a DC-DC buck-boost circuit, and a load switch circuit. The DC-DC buck-boost circuit uses an LTC3871 chip, the load switch circuit uses a TPS25982 chip, the communication module uses BLE or WIFI communication, the charge / discharge interface 2 uses a USB Type-C interface, and the control module uses an ESP32 with an integrated communication module. The ESP32 MCU microcontroller integrates BLE / WIFI communication and current / voltage sampling functions. Figure 2 As shown, the DC-DC buck-boost circuit is electrically connected to both the USB Type-C interface and the control module. The USB Type-C interface is also electrically connected to the DC-DC buck-boost circuit via a USB PD controller. The DC-DC buck-boost circuit is also electrically connected to the control module via a load switch circuit. The output of the control module is electrically connected to the input of the headphone jack, and the output of the headphone jack is electrically connected to headphones 3. The control module is electrically connected to an external device via an external device interface. The external device can be an electronic device such as a fan, microphone, or camera. The control module communicates with an external mobile terminal via a communication module and is also electrically connected to the battery. A button module is provided on the neckband body 1, which includes a power button 4 electrically connected to the control module.

[0024] Preferably, the wearable power bank in this embodiment also includes mounting brackets detachably mounted at both ends of the neckband body 1, and external devices are mounted on the mounting brackets, such as... Figure 1As shown, the external device is fan 13. The mounting bracket includes a hollow mounting base 8, a magnetic component 15, and sleeves 5 fitted onto both ends of the neck hanger body 1. The bottom surface of the mounting base 8 is made of magnetic material. During use, the magnetic component 15 and the mounting base 8 cooperate to hold the user's clothing between the magnetic component 15 and the mounting base 8, preventing the mounting base 8 from shaking and improving its stability. The mounting base 8 is provided with a limit groove 9, and a fixed shaft is provided inside the mounting base 8. Openings are provided on both sides of the mounting base 8. The sliding hole 7 has two connecting rods 6 rotatably mounted on the fixed shaft. The other ends of the two connecting rods 6 pass through the sliding hole 7 and are rotatably connected to the sleeve 5. The handheld part of the fan 13 is equipped with a limiting component that matches the limiting groove 9. The limiting component includes a fixed rod 12 and a steel ball 11 fixed to one end of the fixed rod 12. The side wall of the limiting groove 9 is provided with a groove 10 for placing the fixed rod 12. The other end of the fixed rod 12 is installed on the handheld part of the fan 13, and the steel ball 11 is installed in the limiting groove 9.

[0025] In this embodiment of the wearable power bank, when the USB Type-C interface is plugged into the device, the PD controller detects the connection status via the CC pin. The USB PD controller supports the USB PD protocol, supports 5-12V voltage adaptive output, supports USBHost mode switching and 5V / 2A output current limiting, reverse charging, and realizes battery charging and discharging control. It has built-in protection mechanisms such as input overvoltage protection, ESD protection, overcharge, over-discharge, and short circuit protection, and is equipped with a hot-swappable MOSFET switch to enable battery replacement under thermal conditions. When an external power source charges the wearable power bank of this embodiment, the external power source charges the battery through the USB Type-C interface, the DC-DC buck-boost circuit, and the ESP32 MCU microcontroller. The ESP32 MCU microcontroller detects the battery level, monitors the battery level in real time, and displays it on the mobile terminal via BLE / WIFI. When the battery is fully charged, the ESP32 MCU microcontroller controls the external power source to stop charging the wearable power bank. The load switching circuit provides undervoltage, overcurrent, and surge current protection functions. When the wearable power bank charges an external device, the battery charges the external device through the control module, DC-DC buck-boost circuit, and USB Type-C interface.

[0026] This wearable power bank, while charging electronic devices, can also connect to headphones 3 via the headphone jack to play audio; connect to external devices via the external device interface; and control the power on and off of the wearable power bank via the power button 4. This wearable power bank communicates with external mobile terminals via BLE / WIFI, allowing users to remotely control the wearable power bank, including external devices and audio playback, thus achieving intelligent control and enhancing the user experience.

Claims

1. A wearable mobile power source, characterized by, The application relates to a neck-hanging body for wearing at the neck of a user, wherein the neck-hanging body is in an arc structure, the inside of the neck-hanging body is hollow to form an installation cavity, two ends of the installation cavity are respectively provided with a first assembly bin and a second assembly bin, batteries are installed in the first assembly bin and the second assembly bin, a circuit board is installed in the installation cavity, a control module, a charge-discharge management module and an interface module are arranged on the circuit board, the interface module comprises a charge-discharge interface, an earphone interface and an external device interface, the charge-discharge interface is electrically connected with the control module through the charge-discharge management module, the output end of the control module is electrically connected with the input end of the earphone interface, the output end of the earphone interface is electrically connected with an earphone, the output end of the external device interface is electrically connected with an external device, and the control module is further electrically connected with the batteries.

2. The wearable mobile power supply of claim 1, wherein, The application further comprises installation supports which are detachably installed at the two ends of the neck-hanging body, and the external device is installed on the installation supports.

3. The wearable mobile power supply of claim 2, wherein, The installation support comprises a hollow mounting seat and a sleeve which is sleeved on the two ends of the neck-hanging body, a limiting groove is arranged on the mounting seat, a fixing shaft is arranged in the mounting seat, sliding holes are formed in the two sides of the mounting seat, two connecting rods are rotatably installed on the fixing shaft, the other ends of the two connecting rods are rotatably connected to the sleeve through the sliding holes, a limiting piece which is matched with the limiting groove is installed on the external device, and the limiting piece is installed in the limiting groove.

4. The wearable mobile power supply of claim 3, wherein, The installation support further comprises a magnetic attraction piece, and the bottom surface of the mounting seat is made of a magnetic attraction material.

5. The wearable mobile power supply of any one of claims 1-4, wherein, The two ends of the neck-hanging body are provided with buckle covers which are used for opening the first assembly bin and the second assembly bin, and electrode sheets which are used for contacting corresponding electrodes of the batteries are installed on the inner walls of the buckle covers.

6. The wearable mobile power supply of claim 1, wherein, A communication module is further arranged on the circuit board, and the control module is in communication connection with an external mobile terminal through the communication module.

7. The wearable mobile power supply of claim 1, wherein, The charge-discharge management module comprises a USB PD controller which supports a USB PD protocol, a DC-DC voltage-lifting circuit and a load switch circuit, a hot plug MOS tube switch is arranged in the USB PD controller, the charge-discharge interface adopts a USB Type-C interface, the DC-DC voltage-lifting circuit is electrically connected with the USB Type-C interface and the control module, the USB Type-C interface is further electrically connected with the DC-DC voltage-lifting circuit through the USB PD controller, and the DC-DC voltage-lifting circuit is further electrically connected with the control module through the load switch circuit.

8. The wearable mobile power supply of claim 1, wherein, A key module is arranged on the neck-hanging body, and the key module comprises a power-on / off key which is electrically connected with the control module.

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