Mobile power supply

Abstract

The application relates to a mobile power supply, which comprises a shell assembly, an electric core assembly, a wireless charging coil and a circuit board module. The shell assembly comprises a middle frame, an upper cover and a bottom plate, the upper cover and the bottom plate are respectively detachably connected to two ends of the middle frame and form a working cavity together with the middle frame. The electric core assembly is arranged in the working cavity and comprises at least one electric core. The wireless charging coil is arranged in the working cavity and is used for wirelessly charging an electronic device. The circuit board module is arranged in the working cavity and comprises a main board and a wireless circuit board which are electrically connected, and the main board and the wireless circuit board are arranged in a spaced mode, wherein the wireless charging coil is electrically connected with the wireless circuit board, and the electric core assembly is electrically connected with the main board and / or the wireless circuit board. The mobile power supply provided by the application is convenient to disassemble, overhaul and maintain and is beneficial to guaranteeing charging efficiency and stability.

Description

Technical Field

[0001] This application relates to the field of mobile charging equipment technology, and in particular to a mobile power supply. Background Technology

[0002] With the widespread use of electronic devices, power banks have become a necessity in daily life as portable power supply devices. In this context, power banks often have a one-piece or two-piece casing, requiring the internal components to be fully inserted during assembly, which can easily lead to damage from compression. Furthermore, subsequent repairs require disassembling the entire casing, making the process cumbersome.

[0003] Especially for power banks with wireless charging capabilities, an additional wireless charging module is required, making assembly and maintenance more complex due to the increased number of components. Furthermore, the wireless charging module and the main control module typically share a circuit board, which not only makes charging efficiency and stability susceptible to circuit interference but also results in a larger circuit board structure, making it inconvenient to connect the battery cells to the circuit board structure. Utility Model Content

[0004] Therefore, it is necessary to provide a portable power bank that is easy to disassemble and repair while ensuring charging efficiency and stability.

[0005] A portable power bank includes a housing assembly, a battery cell assembly, a wireless charging coil, and a circuit board module. The housing assembly includes a mid-frame, a top cover, and a bottom plate. The top cover and bottom plate are detachably connected to both ends of the mid-frame and enclose a working cavity. The battery cell assembly is installed within the working cavity and includes at least one battery cell. The wireless charging coil is installed within the working cavity and is used to wirelessly charge electronic devices. The circuit board module is installed within the working cavity and includes a main board and a wireless circuit board electrically connected to each other, spaced apart. The wireless charging coil is electrically connected to the wireless circuit board, and the battery cell assembly is electrically connected to the main board and / or the wireless circuit board.

[0006] In one embodiment, the circuit board module is detachably connected to the base plate, and the main board and the wireless circuit board are located on the same side of the battery cell assembly and spaced apart along the thickness direction z of the power supply.

[0007] In one embodiment, the number of battery cells is configured to be two, and the two battery cells are stacked along the thickness direction z of the power bank; wherein, one battery cell is electrically connected to the motherboard, and the other battery cell is connected to the wireless circuit board; or, the two battery cells are electrically connected to the motherboard respectively.

[0008] In one embodiment, the side wall of the middle frame is provided with a first slot, the side wall of the first slot facing the working cavity is provided with a first locking hole, the top cover is provided with a first elastic buckle, the first elastic buckle can be inserted into the first slot and engage with the first locking hole; the side wall of the middle frame is provided with a second slot, the side wall of the second slot facing the working cavity is provided with a second locking hole, the bottom plate is provided with a second elastic buckle, the second elastic buckle can be inserted into the second slot and engage with the second locking hole.

[0009] In one embodiment, a switch is provided on the motherboard, and a trigger button is installed on the middle frame. The trigger button is configured to correspond to the switch and is used to trigger the switch.

[0010] In one embodiment, the power bank also includes a magnetic chuck, and the base plate is provided with an assembly groove, in which the magnetic chuck and the wireless charging coil are both installed.

[0011] In one embodiment, the power bank further includes a recording board and a connecting cable. The recording board is provided with a recording module and a power amplifier module. The recording board is disposed at a distance from the circuit board module in the working cavity, and the recording board is electrically connected to the main board through the connecting cable.

[0012] In one embodiment, the recording board and the circuit board module are located on different sides of the battery cell assembly.

[0013] In one embodiment, the motherboard is provided with a switch, which includes a recording switch and a power switch; a trigger button is installed on the middle frame, which includes a button and a toggle button. The button is configured to correspond to the power switch and is used to trigger the power switch, and the toggle button is configured to correspond to the recording switch and is used to trigger the recording switch.

[0014] In one embodiment, the power bank further includes a light shield, a first light guide, and a second light guide. The motherboard is provided with a power indicator light and a recording indicator light. The light shield is connected to the motherboard. The first light guide and the second light guide are respectively installed on the light shield. The first light guide is set to correspond with the power indicator light, and the second light guide is set to correspond with the recording indicator light.

[0015] Compared to existing technologies, the power bank provided in this application features a top cover and a bottom plate detachably connected to both ends of the middle frame, forming a working cavity around the middle frame. During assembly, components such as the battery cell assembly and circuit board module can be fixed to the middle frame or bottom plate first, and then the top cover can be closed, avoiding the component compression problems encountered in traditional unibody assembly. During maintenance, only the corresponding top cover or bottom plate needs to be disassembled, eliminating the need for complete disassembly and significantly reducing operational difficulty. The motherboard and wireless circuit board are spaced apart, operating independently yet coordinating through electrical connection. This avoids interference from the wireless circuit board to the motherboard and reduces the impact of other components on the motherboard on the power supply to the wireless charging coil, thus improving charging efficiency and device stability. Furthermore, the battery cell assembly can be flexibly connected to the motherboard, the wireless circuit board, or both simultaneously, depending on the spatial layout within the working cavity. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the portable power bank provided in this application;

[0018] Figure 2 Explosion illustration of the portable power bank provided in this application Figure 1 ;

[0019] Figure 3 Explosion illustration of the portable power bank provided in this application Figure 2 ;

[0020] Figure 4 An assembly diagram of the middle frame and the toggle key provided in this application;

[0021] Figure 5 This is an assembly diagram of the middle frame and buttons provided in this application.

[0022] Reference numerals: 100, Power bank; 10, Housing assembly; 11, Top cover; 111, First elastic buckle; 12, Middle frame; 120, Trigger button; 121, First slot; 122, First locking hole; 123, Second slot; 124, Second locking hole; 125, Button; 126, Toggle button; 1261, Fixing plate; 1262, Moving part; 127, First hole; 128, Second hole; 13, Base plate; 131, Second elastic buckle; 133, Assembly slot ; 134, Stud; 14, Working Chamber; 30, Battery Cell Assembly; 31, Battery Cell; 40, Wireless Charging Coil; 50, Circuit Board Module; 51, Main Board; 510, Switch; 511, Recording Switch; 512, Power Switch; 52, Wireless Circuit Board; 54, Support Component; 541, Pin Header; 542, Pin Header Socket; 61, Recording Board; 62, Connecting Cable; 71, Light Shield; 72, First Light Guide; 73, Second Light Guide; 80, Magnetic Component; 90, Foam. Detailed Implementation

[0023] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0024] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0026] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0027] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0028] Please see Figures 1 to 2 This application provides a portable power bank 100, which includes a housing assembly 10, a battery cell assembly 30, a wireless charging coil 40, and a circuit board module 50. The housing assembly 10 includes a middle frame 12, a top cover 11, and a bottom plate 13. The top cover 11 and the bottom plate 13 are detachably connected to both ends of the middle frame 12 and form a working cavity 14 with the middle frame 12. The battery cell assembly 30 is installed within the working cavity 14 and includes at least one battery cell 31. The wireless charging coil 40 is installed within the working cavity 14 and is used for wirelessly charging electronic devices. The circuit board module 50 is installed within the working cavity 14 and includes a main board 51 and a wireless circuit board 52 electrically connected, spaced apart. The wireless charging coil 40 is electrically connected to the wireless circuit board 52, and the battery cell assembly 30 is electrically connected to the main board 51 and / or the wireless circuit board 52.

[0029] Understandably, by setting the top cover 11 and bottom plate 13 to be detachably connected to both ends of the middle frame 12 and forming a working cavity 14 with the middle frame 12, during assembly, components such as the battery cell assembly 30 and the circuit board module 50 can be fixed to the middle frame 12 or the bottom plate 13 first, and then the top cover 11 can be closed, avoiding the component compression problem during the assembly of traditional one-piece housings; during maintenance, only the corresponding end of the top cover 11 or bottom plate 13 needs to be disassembled, without the need for overall disassembly, greatly reducing the difficulty of operation. The main board 51 and the wireless circuit board 52 are set apart, and the two work independently but cooperate through electrical connection, which can avoid the interference of the wireless circuit board 52 to the main board 51, and at the same time reduce the impact of other components on the main board 51 on the power supply of the wireless charging coil 40, which is conducive to improving charging efficiency and device operation stability. Furthermore, it allows the battery cell assembly 30 to flexibly choose to be connected to the main board 51 alone, to the wireless circuit board 52 alone, or to both simultaneously, depending on the spatial layout within the working cavity 14.

[0030] The circuit board module 50 is detachably connected to the base plate 13. The main board 51 and the wireless circuit board 52 are located on the same side of the battery cell assembly 30 and spaced apart along the thickness direction z of the power bank. This reduces the space occupied by the circuit board in the length or width direction of the power bank 100, reserving more installation space for the battery cell assembly 30. This helps to increase the capacity of the battery cell 31 and extend the battery life within the same device size.

[0031] Specifically, such as Figure 2 and Figure 3 As shown, a stud 134 is provided on the base plate 13, extending along the thickness direction z of the power bank. The wireless circuit board 52 is disposed on the base plate 13, and the main board 51 is connected to the end of the stud 134 away from the base plate 13 by screws. The circuit board module 50 also includes a support member 54, one end of which is connected to the main board 51 and the other end of which is connected to the wireless circuit board 52, so as to form a support between the main board 51 and the wireless circuit board 52, keeping the main board 51 and the wireless circuit board 52 spaced apart.

[0032] Optionally, the support member 54 may have a header 541 and a header seat 542 covering the outside of the header, so that the support member 54 can also electrically connect the motherboard 51 and the wireless circuit board 52.

[0033] For example, in one embodiment, the number of battery cells 31 is configured to be two, and the two battery cells 31 are stacked along the thickness direction z of the power bank; wherein, one battery cell 31 is electrically connected to the motherboard 51, and the other battery cell 31 is connected to the wireless circuit board 52. Alternatively, the two battery cells 31 are each electrically connected to the motherboard 51. This is beneficial for extending the overall battery life of the power bank 100.

[0034] In one embodiment, the upper cover 11 and the bottom plate 13 are respectively snapped into the two ends of the middle frame 12.

[0035] Specifically, the side wall of the middle frame 12 is provided with a first slot 121, and the side wall of the first slot 121 facing the working cavity 14 has a first locking hole 122. The upper cover 11 is provided with a first elastic buckle 111, which can be inserted into the first slot 121 and engaged with the first locking hole 122. The side wall of the middle frame 12 is provided with a second slot 123, and the side wall of the second slot 123 facing the working cavity 14 has a second locking hole 124. The bottom plate 13 is provided with a second elastic buckle 131, which can be inserted into the second slot 123 and engaged with the second locking hole 124. This helps to further improve the assembly efficiency of the upper cover 11, the bottom plate 13 and the middle frame 12.

[0036] Furthermore, the number of first elastic buckles 111 is configured to be multiple, and the multiple first elastic buckles 111 are spaced apart along the circumferential edge of the upper cover 11. The number of first slots 121 is also configured to be multiple, and the first slots 121 are configured to correspond one-to-one with the first elastic buckles 111. Similarly, the number of second elastic buckles 131 is also configured to be multiple, and the multiple second elastic buckles 131 are spaced apart along the circumferential edge of the base plate 13. The number of second slots 123 is also configured to be multiple, and the second slots 123 are configured to correspond one-to-one with the second elastic buckles 131.

[0037] like Figures 2 to 5 As shown, the motherboard 51 has a switch 510, and the middle frame 12 has a trigger button 120. The trigger button 120 is configured to correspond with the switch 510 and is used to trigger the switch 510. Thus, when assembling the power bank, the trigger button 120 can be installed on the middle frame 12, and then the middle frame 12 can be assembled with the base plate 13 or the top cover 11.

[0038] The power bank also includes a magnetic attachment 80. The base plate 13 has an assembly slot 133, within which both the magnetic attachment 80 and the wireless charging coil 40 are installed. The magnetic attachment 80 can quickly attract magnetically attached electronic devices, ensuring precise alignment between the device and the wireless charging coil 40. This avoids charging interruptions or efficiency reductions caused by device displacement, improving the convenience and stability of wireless charging. The assembly slot 133 provides dedicated installation space for the magnetic attachment 80 and the wireless charging coil 40, preventing them from squeezing against components such as the battery cell assembly 30 and the circuit board module 50. It also makes the internal structure of the working cavity 14 more regular, reducing noise caused by component movement and facilitating quick positioning and disassembly of the magnetic attachment 80 and the wireless charging coil 40 during later maintenance.

[0039] The power bank also includes foam 90, which is located between the battery cell assembly 30 and the top cover 11 to protect the battery cell assembly 30. Foam 90 can be attached to the top cover 11.

[0040] In one embodiment, the power bank may also have a recording function.

[0041] Specifically, the power bank also includes a recording board 61 and a connecting cable 62. The recording board 61 is equipped with a recording module and a power amplifier module. The recording board 61 is spaced apart from the circuit board module 50 in the working cavity 14, and the recording board 61 is electrically connected to the main board 51 through the connecting cable 62.

[0042] Thus, by integrating the recording module and the power amplifier module into the recording board 61, the power bank 100 simultaneously possesses both charging and recording functions, eliminating the need for users to carry an additional voice recorder and improving device portability. Furthermore, the separation between the recording board 61 and the circuit board module 50 prevents electromagnetic signals generated by the charging circuit on the motherboard 51 and wireless circuit board 52 from interfering with the recording module on the recording board 61, ensuring clear recording quality. Simultaneously, the recording module operates independently of the motherboard 51, receiving power and transmitting data only through the connection cable 62, which helps ensure stable operation of both charging and recording functions simultaneously. The side wall of the middle frame 12 has a first hole 127 corresponding to the power amplifier module to facilitate the propagation of sound played from the power amplifier module.

[0043] Furthermore, the recording board 61 and the circuit board module 50 are located on different sides of the battery cell assembly 30. This further reduces the impact of electromagnetic interference generated by the circuit board module 50 on the recording board 61, while also reducing interference from the recording board 61 to the motherboard 51 and the wireless circuit board 52 during operation, ensuring that both charging and recording functions are in optimal working condition.

[0044] Optionally, in one embodiment, the recording board 61 and the circuit board module 50 are located on different sides of the battery cell assembly 30 along the length of the power supply. Specifically, the recording board 61 is arranged parallel to the side wall of the middle frame 12, thereby reducing the space occupied by the recording board 61 along the plane.

[0045] The recording board 61 is also equipped with a reset switch. The middle frame 12 has a second hole 128 corresponding to the reset switch. When the recording board 61 freezes, a tool can be used to pass through the second hole 128 to trigger the reset switch and restart the recording board 61.

[0046] Switch 510 includes a recording switch 511 and a power switch 512. Trigger keys 120 include a button 125 and a toggle button 126. Button 125 corresponds to and is used to trigger the power switch 512, and toggle button 126 corresponds to and is used to trigger the recording switch 511. These two different types of trigger keys 120 correspond to different functions, allowing users to quickly distinguish between power control and recording control, avoiding misoperation due to identical trigger key types. For example, mistakenly turning off the recording switch 511 as the power switch 512 could interrupt recording.

[0047] Optionally, the button 125 and the toggle button 126 can be located on different sides of the middle frame 12. The toggle button 126 includes a fixed plate 1261 and a movable part 1262. The fixed plate 1261 is fixedly installed in the middle frame 12, and the movable part 1262 is slidably engaged with the fixed plate 1261.

[0048] The power bank also includes a light shield 71, a first light guide 72, and a second light guide 73. The mainboard 51 has a power indicator light and a recording indicator light. The light shield 71 is connected to the mainboard 51. The first light guide 72 and the second light guide 73 are respectively installed on the light shield 71, with the first light guide 72 corresponding to the power indicator light and the second light guide 73 corresponding to the recording indicator light. The light shield 71 provides fixed support for the first light guide 72 and the second light guide 73, preventing light deviation caused by light guide displacement. Simultaneously, the connection between the light shield 71 and the mainboard 51 allows the indicator light and light guide to form an independent status indication module, making the internal structure of the working cavity 14 more regular, facilitating disassembly and maintenance, and reducing interference between the light guide and other components.

[0049] Optionally, the first light guide 72 and the second light guide 73 may have different shapes to allow users to distinguish their functions based on their appearance. Of course, the power indicator and the recording indicator can also be configured to have different colors.

[0050] Specifically, the light shield 71 has multiple grooves, and each groove corresponds to a first light guide 72 or a second light guide 73. In this way, the light shield 71 can also prevent light scattering and improve the concentration of light.

[0051] The assembly process of the power bank provided in this application is as follows: First, the button 125 and the toggle button 126 are pre-installed on the middle frame 12. Then, the middle frame 12 and the base plate 13 are fixed by the second elastic buckle 131, the second slot 123 and the second card hole 124. Then, the magnetic part 80 and the wireless charging coil 40 are installed in the assembly slot 133 of the base plate 13. The circuit board module 50 is placed on the base plate 13, the battery cell assembly 30 is placed in it, and the battery cell 31 is soldered to the main board 51 and the wireless circuit board 52 respectively. The recording board 61 is installed on the other side of the battery cell assembly 30 and connected to the main board 51 through the connecting wire 62. Finally, the top cover 11 with the inner sponge layer is attached and is fixed to the middle frame 12 by the first elastic buckle 111, the first slot 121 and the first card hole 122 to complete the assembly of the power bank 100.

[0052] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. A portable power bank, characterized in that, The power bank (100) includes: The housing assembly (10) includes a middle frame (12), an upper cover (11) and a bottom plate (13). The upper cover (11) and the bottom plate (13) are detachably connected to the two ends of the middle frame (12) and form a working cavity (14) with the middle frame (12). A battery cell assembly (30) is installed in the working cavity (14), and the battery cell assembly (30) includes at least one battery cell (31). A wireless charging coil (40) is installed in the working cavity (14) and used to wirelessly charge electronic devices; A circuit board module (50) is installed in the working cavity (14), and the circuit board module (50) includes a main board (51) and a wireless circuit board (52) that are electrically connected. The wireless charging coil (40) is spaced apart from the wireless circuit board (52). The wireless charging coil (40) is electrically connected to the wireless circuit board (52). The battery cell (31) is electrically connected to the main board (51) and / or the wireless circuit board (52).

2. The portable power bank according to claim 1, characterized in that, The circuit board module (50) is detachably connected to the base plate (13). The main board (51) and the wireless circuit board (52) are located on the same side of the battery cell assembly (30) and are spaced apart along the thickness direction z of the power supply.

3. The portable power bank according to claim 1, characterized in that, The number of the battery cells (31) is configured to be two, and the two battery cells (31) are stacked along the thickness direction z of the mobile power supply; One of the battery cells (31) is electrically connected to the motherboard (51), and the other battery cell (31) is connected to the wireless circuit board (52); or, the two battery cells (31) are electrically connected to the motherboard (51) respectively.

4. The portable power bank according to claim 1, characterized in that, The side wall of the middle frame (12) is provided with a first slot (121), and the side wall of the first slot (121) facing the working cavity (14) is provided with a first card hole (122). The upper cover (11) is provided with a first elastic buckle (111), and the first elastic buckle (111) can be inserted into the first slot (121) and engaged with the first card hole (122). The side wall of the middle frame (12) is provided with a second slot (123), and the side wall of the second slot (123) facing the working cavity (14) is provided with a second card hole (124). The bottom plate (13) is provided with a second elastic buckle (131), which can be inserted into the second slot (123) and engaged with the second card hole (124).

5. The portable power bank according to claim 1, characterized in that, The motherboard (51) is provided with a switch (510), and the middle frame (12) is provided with a trigger key (120). The trigger key (120) is configured to correspond to the switch (510) and is used to trigger the switch (510).

6. The portable power bank according to claim 1, characterized in that, The power bank also includes a magnetic suction component (80), and the base plate (13) is provided with an assembly groove (133). The magnetic suction component (80) and the wireless charging coil (40) are both installed in the assembly groove (133).

7. The portable power bank according to any one of claims 1-6, characterized in that, The power bank also includes a recording board (61) and a connecting cable (62). The recording board (61) is provided with a recording module and a power amplifier module. The recording board (61) is spaced apart from the circuit board module (50) in the working cavity (14), and the recording board (61) is electrically connected to the motherboard (51) through the connecting cable (62).

8. The portable power bank according to claim 7, characterized in that, The recording board (61) and the circuit board module (50) are located on different sides of the battery cell assembly (30).

9. The portable power bank according to claim 8, characterized in that, The motherboard (51) is provided with a switch (510), which includes a recording switch (511) and a power switch (512). A trigger key (120) is installed on the middle frame (12). The trigger key (120) includes a button (125) and a toggle key (126). The button (125) is configured to correspond to the power switch (512) and is used to trigger the power switch (512). The toggle key (126) is configured to correspond to the recording switch (511) and is used to trigger the recording switch (511).

10. The portable power bank according to claim 8, characterized in that, The power bank also includes a light shield (71), a first light guide (72), and a second light guide (73). The main board (51) is provided with a power indicator light and a recording indicator light. The light shield (71) is connected to the main board (51). The first light guide (72) and the second light guide (73) are respectively installed on the light shield (71). The first light guide (72) is set to correspond with the power indicator light, and the second light guide (73) is set to correspond with the recording indicator light.

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