Mobile power supply

By integrating a wireless charging unit and a multi-functional charging plug into the power bank, the problems of traditional power banks being unable to charge wirelessly and requiring the carrying of charging cables are solved, achieving a convenient and flexible charging method suitable for a variety of devices.

CN224177944UActive Publication Date: 2026-04-28SHENZHEN XUHUI WEIYE ELECTRONIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN XUHUI WEIYE ELECTRONIC CO LTD
Filing Date
2025-04-03
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Traditional power banks cannot achieve wireless charging and require an additional charging cable, making them inconvenient to use.

Method used

Design a portable power bank with a wireless charging unit and a multi-functional charging plug, including a wireless charging coil, a magnetic component, and a retractable charging plug. It supports wireless charging and allows the device to be tilted via a stand. The charging cable can be used as a lanyard.

Benefits of technology

It achieves the convenience of wireless charging, reduces the need to carry additional charging cables, improves portability and usage flexibility, supports charging of multiple devices, and can be used while charging.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mobile power supply, which comprises a mobile power supply body, the mobile power supply body is provided with a shell, and a PCB (printed circuit board) and a storage battery are arranged in the shell; a wireless charging part is arranged on the front surface of the shell, the wireless charging part comprises a placement shell, a wireless charging coil and a third magnetic attraction piece are arranged in the placement shell, and the wireless charging coil is electrically connected with the PCB; a charging wire electrically connected with the PCB is arranged on the shell, a first storage groove, a bayonet groove and a clamping hole are formed in the side wall of the shell, and the cross section of the bayonet groove is in a C shape; two ends of the charging wire are respectively provided with a clamping head and a first charging plug, and the clamping head is clamped in the clamping hole; according to the utility model, the wireless charging part is arranged, so that the wireless charging can be carried out on the electronic equipment with a wireless charging function, and meanwhile, a charging wire required for charging the electronic equipment does not need to be additionally carried, so that the portability is improved, and the use is more convenient.
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Description

Technical Field

[0001] This utility model relates to the field of mobile charging technology, specifically a mobile power supply. Background Technology

[0002] With the widespread use of portable electronic devices such as smartphones, tablets, and smartwatches, the demand for power banks is growing. In daily life, power banks have become an indispensable electronic product for people to use when traveling, so that they can replenish the power of various devices anytime, anywhere.

[0003] Traditional power banks have revealed numerous inconveniences during use. Early power banks only had a single wired charging port, requiring users to carry their own charging cable. If this cable was forgotten, the power bank would be unusable, causing significant inconvenience. Furthermore, carrying an extra charging cable was also inconvenient. Meanwhile, with the rise of wireless charging technology, more and more electronic devices support wireless charging. However, many power banks have failed to integrate this technology in a timely manner, thus failing to meet consumers' demand for convenient charging. Utility Model Content

[0004] The purpose of this utility model is to provide a portable power bank that can improve the problems of existing portable power banks being unable to wirelessly charge electronic devices with wireless charging capabilities and the need to carry an additional charging cable to charge electronic devices.

[0005] This utility model is implemented as follows: A portable power bank includes a power bank body, which has a housing. A PCB board and a battery are disposed within the housing. A wireless charging unit is provided on the front of the housing. The wireless charging unit includes a placement shell, inside which a wireless charging coil and a third magnetic element are disposed. The wireless charging coil is electrically connected to the PCB board. A charging cable electrically connected to the PCB board is disposed on the housing. A first storage groove, a bayonet groove, and a slot are provided on the side wall of the housing. The bayonet groove has a C-shaped cross-section. A connector and a first charging plug are respectively provided at both ends of the charging cable. The connector is engaged in the slot. The first charging plug has a charging position and a retracted position. In the charging position, the first charging plug is not retracted into the first storage groove. In the retracted position, the first charging plug is retracted into the first storage groove, and the part of the charging cable near the first charging plug is engaged in the bayonet groove.

[0006] Furthermore, the card connector is provided with an annular card groove that matches the card hole of the housing, and the end of the card connector away from the first charging plug is provided with an insertion chamfer structure.

[0007] Furthermore, when the first charging plug is in the storage position, a first magnetic attraction component is provided on its inner side, and a second magnetic attraction component is provided on the wall of the first storage slot. The first magnetic attraction component and the second magnetic attraction component are adapted to each other, with one being concave and the other being convex.

[0008] Furthermore, the third magnetic element is in the shape of a ring or a disk, and it surrounds the outside of the wireless charging coil or is embedded in the inside of the wireless charging coil.

[0009] Furthermore, the outer wall surface of the housing forms a charging placement surface, which is either a flat surface or a concave arc surface, and a charging mark is provided on the charging placement surface.

[0010] Furthermore, a second storage groove is provided on the side wall of the housing, and a second charging plug is hinged in the second storage groove. The second charging plug is electrically connected to the PCB board. The second charging plug has a first position state and a second position state. In the first position state, the second charging plug is completely located in the second storage groove. In the second position state, the second charging plug is rotated so that its plug-in part is located outside the second storage groove. The second position state is the charging working position state of the second charging plug.

[0011] Furthermore, a support groove is provided on the back of the housing, and a support body is damped and hinged in the support groove. The support body has a first position state in which it is completely located in the support groove, and a second position state in which it is rotated out of the support groove.

[0012] Furthermore, a charging input interface is provided on the side wall of the housing, and the charging input interface is electrically connected to the PCB board.

[0013] Furthermore, a charging indicator light is also provided on the side wall of the housing. The charging indicator light is also electrically connected to the PCB board and is located near the charging input interface.

[0014] Furthermore, a switch button is also provided on the side wall of the housing, and the switch button is electrically connected to the PCB board.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model is equipped with a wireless charging unit, which can wirelessly charge electronic devices with wireless charging function. At the same time, this utility model eliminates the need to carry an additional charging cable for charging electronic devices, improving portability and making it more convenient to use.

[0017] 2. The charging cable provided in this utility model can also be used as a lanyard, and when used as a lanyard, it is firmly connected to the shell, which effectively improves the portability of this utility model.

[0018] 3. This utility model is also provided with a support body. By providing a support body, this utility model can be placed at an angle. When the wireless charging unit charges the electronic device, the electronic device can be in an angled state, allowing the user to charge the electronic device while using it to view web pages, information, and watch videos, which is very practical.

[0019] 4. The first charging plug and the second charging plug of this utility model are two different types of plugs, which effectively improves the scope of application of this utility model. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention from a first-view perspective;

[0021] Figure 2 This is a three-dimensional structural diagram of the present invention from a second perspective;

[0022] Figure 3 This is a three-dimensional structural diagram of the present invention from a third-person perspective;

[0023] Figure 4 This is a three-dimensional structural diagram of the shell of this utility model;

[0024] Figure 5 This is a three-dimensional structural diagram of the charging cable of this utility model.

[0025] In the diagram: 1. Housing; 11. First storage slot; 12. Bayonet slot; 13. Second magnetic attachment; 14. Second storage slot; 15. Support slot; 2. Wireless charging unit; 21. Placement shell; 3. Charging cable; 31. Card connector; 311. Annular card slot; 312. Insertion chamfer structure; 32. First charging plug; 4. Second charging plug; 5. Support body; 6. Charging input interface; 7. Charging indicator light; 8. Switch button. Detailed Implementation

[0026] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details:

[0028] like Figure 1 As shown, a portable power bank includes a power bank body with a housing 1. A PCB board and a battery are housed within the housing 1. A wireless charging unit 2 is located on the front of the housing 1. The wireless charging unit 2 includes a placement shell 21, inside which a wireless charging coil and a third magnetic element are disposed. The wireless charging coil is electrically connected to the PCB board. The third magnetic element can be annular. If the inner diameter of the third magnetic element is larger than the outer diameter of the wireless charging coil, the third magnetic element surrounds the outside of the wireless charging coil; if the outer diameter of the third magnetic element is smaller than the inner diameter of the wireless charging coil, the third magnetic element is embedded inside the wireless charging coil. The third magnetic element can also be disc-shaped, in which case it is embedded inside the wireless charging coil. The outer wall of the placement shell 21 forms a convex charging placement surface, which can be flat or concave. A charging mark is provided on the charging placement surface to help the user identify the location as the wireless charging placement position.

[0029] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, a charging cable 3 electrically connected to the PCB board is provided on the housing 1. A first storage groove 11, a bayonet groove 12, and a bayonet hole are provided on the side wall of the housing 1. The bayonet groove 12 has a C-shaped cross-section. A connector 31 and a first charging plug 32 are respectively provided at both ends of the charging cable 3. An annular groove 311 that matches the bayonet hole of the housing 1 is provided around the connector 31. An insertion chamfer structure 312 is provided at the end of the connector 31 away from the first charging plug 32. The connector 31 is inserted into and locked into the bayonet hole through the insertion chamfer structure 312. This arrangement ensures a firm connection between the charging cable 3 and the housing 1. The first charging plug 32 has a charging position and a retracted position. In the charging position, the first charging plug 32 is not retracted into the first storage groove 11. At this time, it can be connected to electronic devices such as mobile phones to charge the electronic devices. In the retracted position, the first charging plug 32 is stored in the first storage slot 11, and the charging cable 3, near the first charging plug 32, is snapped into the slot 12. The cross-sectional shape of the charging cable 3 matches the C-shaped structure of the slot 12, making it difficult for the charging cable 3 to come out of the slot 12. When the first charging plug 32 is in the retracted position, the charging cable 3 can be used as a lanyard, effectively improving the portability of this invention. A first magnetic element is provided on the inner side of the first charging plug 32 in the retracted position, and a second magnetic element 13 is provided on the wall of the first storage slot 11. The first and second magnetic elements 13 are mutually compatible, with one being concave and the other convex. The mutual magnetic attraction of the first and second magnetic elements 13 makes it difficult for the first charging plug 32 to come out of the first storage slot 11. The cooperating convex and concave structures make the connection between the first charging plug 32 and the housing 1 more secure, thus effectively improving the stability of the charging cable 3 when used as a lanyard.

[0030] like Figures 1-3 As shown, a second storage slot 14 is also provided on the side wall of the housing 1. A second charging plug 4 is hinged in the second storage slot 14 and is electrically connected to the PCB board. The second charging plug 4 has a first position state and a second position state. In the first position state, as shown... Figure 3 As shown, the second charging plug 4 is completely housed in the second storage slot 14, resulting in a better appearance and effective protection for the second charging plug 4. In the second position state, as... Figure 1 and Figure 2 As shown, when the second charging plug 4 is rotated so that its insertion part is located outside the second storage slot 14, the second position is the charging working position of the second charging plug 4, at which time the electronic device can be charged through the second charging plug 4. The first charging plug 32 and the second charging plug 4 are two different types of plugs, which effectively improves the application range of this utility model.

[0031] like Figure 2 and Figure 3 As shown, a support groove 15 is provided on the back of the housing 1, and a support body 5 is damped and hinged in the support groove 15. The support body 5 is in a first position completely located in the support groove 15, as shown. Figure 2 As shown. The support body 5 also has a second position state where it rotates out of the support groove 15 and is used as a support, as shown. Figure 3 As shown. By setting the support body 5, this utility model can be placed at an angle, so that when the wireless charging unit 2 charges the electronic device, the electronic device can be in an angled state, allowing the user to use the electronic device to view web pages, information, and watch videos while charging it, which is very practical.

[0032] like Figure 3 As shown, a charging input interface 6, a charging indicator light 7, and a switch button 8 are also provided on the side wall of the housing 1, with the charging indicator light 7 positioned close to the charging input interface 6. The charging input interface 6, the charging indicator light 7, and the switch button 8 are all electrically connected to the PCB board. The charging input interface 6 is used to charge the battery, the charging indicator light 7 is used to indicate the charging status and battery level, and the switch button 8 is used to turn the device on and off.

[0033] In summary, this utility model features a wireless charging unit 2, which can wirelessly charge electronic devices with wireless charging capabilities. Furthermore, it eliminates the need for an additional charging cable, improving portability and ease of use. The charging cable 3 can also be used as a lanyard, and its secure connection to the housing 1 further enhances portability. The utility model also includes a support body 5, allowing it to be tilted. When charging electronic devices via the wireless charging unit 2, the device is tilted, enabling users to simultaneously charge and use the device to browse the web, access information, and watch videos – a highly practical feature. The first charging plug 32 and the second charging plug 4 are two different types of plugs, effectively expanding the utility model's applicability.

[0034] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A portable power bank, comprising a power bank body, the power bank body having a housing (1), wherein a PCB board and a battery are disposed within the housing (1); characterized in that, The housing (1) has a wireless charging unit (2) on its front side. The wireless charging unit (2) includes a placement shell (21). The placement shell (21) contains a wireless charging coil and a third magnetic suction device. The wireless charging coil is electrically connected to the PCB board. The housing (1) has a charging cable (3) electrically connected to the PCB board. The side wall of the housing (1) has a first storage groove (11), a bayonet groove (12), and a card hole. The bayonet groove (12) has a C-shaped cross-section. The two ends of the charging cable (3) are respectively provided with a card connector (31) and a first charging plug (32). The card connector (31) is inserted into the card hole. The first charging plug (32) has a charging position state and a storage position state. In the charging position state, the first charging plug (32) is not stored in the first storage slot (11). In the storage position state, the first charging plug (32) is stored in the first storage slot (11), and the charging cable (3) is snapped into the slot (12) near the wire of the first charging plug (32). The first charging plug (32) has a first magnetic suction member on its inner side when it is in the storage position state, and a second magnetic suction member (13) is provided on the groove wall of the first storage slot (11). The first magnetic suction member and the second magnetic suction member (13) are adapted to each other and one is concave and the other is convex.

2. A portable power bank according to claim 1, characterized in that, The card connector (31) is provided with an annular slot (311) that matches the card hole of the housing (1), and the end of the card connector (31) away from the first charging plug (32) is provided with an insertion chamfer structure (312).

3. A portable power bank according to claim 1, characterized in that, The third magnetic component is in the shape of a ring or a disk, and it surrounds the outside of the wireless charging coil or is embedded in the inside of the wireless charging coil.

4. A portable power bank according to claim 3, characterized in that, The outer wall surface of the placement shell (21) forms a charging placement surface, which is either a flat surface or a concave arc surface, and a charging mark is provided on the charging placement surface.

5. A portable power bank according to claim 1, characterized in that, The housing (1) is also provided with a second storage groove (14) on its side wall. A second charging plug (4) is hinged in the second storage groove (14). The second charging plug (4) is electrically connected to the PCB board. The second charging plug (4) has a first position state and a second position state. In the first position state, the second charging plug (4) is completely located in the second storage groove (14). In the second position state, the second charging plug (4) is rotated until its plug part is located outside the second storage groove (14). The second position state is the charging working position state of the second charging plug (4).

6. A portable power bank according to claim 1, characterized in that, The back of the housing (1) is provided with a support groove (15), and a support body (5) is damped and hinged in the support groove (15). The support body (5) has a first position state in which it is completely located in the support groove (15), and a second position state in which it is rotated out of the support groove (15).

7. A portable power bank according to claim 1, characterized in that, The side wall of the housing (1) is also provided with a charging input interface (6), which is electrically connected to the PCB board.

8. A portable power bank according to claim 7, characterized in that, A charging indicator light (7) is also provided on the side wall of the housing (1). The charging indicator light (7) is also electrically connected to the PCB board and is located near the charging input interface (6).

9. A portable power bank according to claim 1, characterized in that, A switch button (8) is also provided on the side wall of the housing (1), and the switch button (8) is electrically connected to the PCB board.